• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A vehicle equipped for power take-off operation using direct energy supply from an electric hybrid drive system. A body computer is connected to the CAN system to receive chassis signals. A CAN system has an electronic control module, a transmission control module and a hybrid control module. The electronic control module is electrically connected to the transmission control module and the hybrid control module. A data link-based remote power module is installed on the vehicle to generate body crossover signals to initiate operation of the vehicle's electric hybrid drive system for PTO operation. Several power take-off request switches are electrically connected to the CAN system. The body computer can be programmed to receive a signal from at least one of the PTO request switches to change the operating mode of the PTO operation.
    公开号:SE1250588A1
    申请号:SE1250588
    申请日:2010-08-16
    公开日:2012-06-13
    发明作者:Jay Bissontz
    申请人:Int Truck Intellectual Prop Co；
    IPC主号:
    专利说明:

    [4] In some vehicles, such as commercial vehicles, a power take-off may be used to drive a hydraulic pump to a vehicle-mounted hydraulic system. In some configurations, a power take-off accessory may be provided with energy while the vehicle is moving. In others, a power take-off accessory configurations may be energized while the vehicle is stationary and the vehicle is powered by the internal combustion engine. Still others can be driven while the vehicle is either stationary or in motion.
    [5] In some PTO applications, the specific combustion engine of the vehicle may have a capacity that renders it inefficient as a source of propulsion for the PTO application due to the relatively low energy requirements or intermittent operation of the PTO application. Under such circumstances, the electric hybrid drive system can provide energy for the power take-off, i.e. the electric motor and generator can be used instead of the internal combustion engine to support mechanical power take-off. Where energy requirements are low, the electric motor and generator will normally exhibit relatively low parasite losses compared to an internal combustion engine. quickly provided, the electric motor and generator offer such Where energy requirements are intermittent but response availability without causing idle losses of an internal combustion engine.
    [6] When a hybrid electric vehicle. equipped for electric power take-off enters the operating condition for electric power take-off, the electric motor and generator are generally not supplied with energy until an active input signal or power requirement signal is provided. Usually, the power requirement signal is the result of operator input data being received via a body-mounted switch which is included in a data link module. One such module could be the remote power module described in U.S. Patent 6,272,402 to Kelwaski, the entire disclosure of which is incorporated herein by reference. The switch sends the power requirement signal via a data bus such as a Controller Area Network (CAN) system which is now widely used to integrate vehicle control functions.
    [7] Only one of the possible A power requirement signal for operation of the drive motor are input signals which could be present and which are received by another CAN system. Due to the type, number and complexity of the drive motor control unit connected to the vehicle of the possible inputs that can be provided from a data link module added by a truck equipment manufacturer (TLU), as well as from other sources, problems can arise with adequate operation of the electric motor and generator, especially during the initial phases.even the introduction of the product, or during field maintenance, especially if the vehicle has been modified by the operator or has been damaged. As a consequence, the drive motor may not work as expected. When introducing a product, a TLU may end up in a situation where the data link module cannot provide electric motor-correct power requirement requests for and generator operation for electric power take-off operation in collaboration due to programming problems, other vehicle programming or other architectural problems.
    [8] An electric hybrid drive system can alone provide energy to the vehicle's power take-off when the power take-off drives a power take-off accessory adapted to be used only by a stationary vehicle, such as a lifting accessory or an excavating accessory. In some situations, the electric hybrid drive system may not provide sufficient nox energy for the PTO, and thus the axle next to the PTO is supplied with other energy by the internal combustion engine. In situations where the batteries of the electric hybrid drive may need to be charged. energy In both of these situations, if the PTO shaft has the PTO shaft stopped so that the internal combustion engine can be started to charge or to charge Therefore, there is one from the electric hybrid drive system, must supply energy to the PTO shaft, the batteries of the electric hybrid drive system. need for a system and method capable of shutting down a power take-off operated by an electric hybrid drive system, so as to provide charge that an internal combustion engine can be started for the power take-off of the electric hybrid drive system batteries. with energy, or for OVERVIEW
    [9] According to one embodiment, a vehicle power take-off operation comprises direct supply of power from an electric hybrid drive system for use with a control unit, a network, a data link and programming data.
    [10] Vehicles equipped for power take-off operation using According to another embodiment, a direct supply of power from an electric hybrid drive system device which responds to a plurality of chassis signals to generate that operation of PTO operation. a chassis requirement signal for initiating the electric hybrid drive system to support the vehicle further includes means responsive to operator input data and installed on the vehicle to generate body requirement signals for initiating operation of the electric hybrid drive system to support power take-off operation.
    [11] According to a further embodiment, direct power supply from an electric hybrid drive system comprises a CAN system, a body computer, a data link-based power module and a plurality of power take-off request switches. The body computer is connected to the CAN system to take a plurality of chassis signals. The CAN system also has an electronically remote and remote control module, a transmission control module and a hybrid control module. The electronic control module is electrically connected to the transmission control module and the hybrid control module. The data link-based remote power module is installed on the vehicle to generate body demand signals to initiate operation of the vehicle's power take-off operation.
    [12] Operating system According to another. Embodiment 1 comprises a power take-off operation using a direct power supply of vehicles equipped for from an electric hybrid drive system 1 a CAN system and a plurality of take-off request switches. The CAN system has an electronic control module, a body computer and a remote power module. The mentioned plurality of PTO request switches are electronically connected to the CAN system. The body computer can be programmed to at least one of receive a signal from the PTO request switches to change the operating mode of the PTO operation.
    [13] In a power take-off belonging to a vehicle equipped for According to a process, a method for switching PTO operation using direct supply of power is included. One to take PTO request signal from at least one of a plurality of electric hybrid drive systems. CAN system is programmed for receiving a PTO request switch. The method determines whether a PTO request signal from at least one of said plurality of PTO request switches. An activation state A PTO request switch is an active one modified when the PTO request signal is from an active PTO request switch.
    [14] Vehicles equipped for PTO operation using According to another embodiment. A direct power supply from an electric hybrid drive system includes an internal combustion engine, an electric motor and generator system, a power take-off, a data link-based remote CAN system, a body computer, a power module, a first power take-off driven component and a second power take-off driven component. The power take-off is selectively connected to at least one of the internal combustion engine and the electric motor and generator system to take the internal combustion engine and electric motor - against torque from at least one of the off and generator system.
    [15] According to another embodiment. A control system for a vehicle equipped for power take-off operation using direct power supply from an electric hybrid drive system includes a CAN system, a body computer, an electronic control module, a remote power module and the CAN system a plurality of PTO-driven components are electronically connected to a plurality of PTO-driven components. has an electronic control module. Mentioned to the CAN system. The body computer can be programmed to receive a signal from the PTO components to indicate that a PTO component is active.
    [16] According to another process, a method for tracking PTO operation of a vehicle equipped for PTO operation using direct power supply includes a PTO-driven component monitored by means of an electric hybrid drive system. The activation of a body computer. The torque delivery from an internal combustion engine and an electric motor and generator system is monitored. The method determines whether at least one of the internal combustion engine and the electric motor and generator system of a power take-off the power take-off component is active. delivers torque when it The time a power take-off component is active is monitored. The amount to the PTO combustion engine as well as the electric motor and generator is monitored torque delivered from when the PTO driven component is active.
    [17] According to yet another embodiment, a vehicle equipped for power take-off operation comprises an electric hybrid drive system, an internal combustion engine, an electric motor and the use of direct supply from a generator, a power take-off, a CAN system, a body computer, a data link-based remote power module, at least one power take-off component and an external selectively coupled to at least one of the internal combustion engine and electric motor power take-off status indicator. The power take-off is also the generator system for receiving torque from at least one of the internal combustion engine and the electric motor and the generator.
    [18] Control system According to another embodiment, a power take-off operation using direct power supply comprises vehicles equipped for a CAN system with at least one power take-off component and an external power take-off status indicator from an electric hybrid drive system. The CAN system has an electronic control module, a body computer, an electronic control module, a hybrid control module and a remote power module. Mention at least one PTO-driven component is electronically connected to the CAN system. The body computer can be programmed to receive a signal from the at least one PTO-driven component to indicate that a PTO-driven component is active. The external PTO status indicator is electrically connected to the CAN system.
    [19] According to another process, a method is included in which a vehicle equipped for power take-off operation using force is a deactivation of a direct supply of from a hybrid electric drive system.
    [20] Vehicles equipped for power take-off operation using According to another embodiment, a direct supply of power from an electric hybrid drive system comprises a CAN system, a body computer, a data link-based power module wireless power take-off request switch. The body computer is connected to the CAN system to take a plurality of chassis signals as well as an electronic control module, a remote and a forward transmission control module and a hybrid control module. The electronic control module is electrically connected to the body computer, and the transmission control module the hybrid control module. The data link-based remote power module is set up to generate body crossover signals to initiate operation of the vehicle's electric hybrid drive system for power take-off operation. The remote power module is electrically connected to the CAN system. wireless The PTO request switch is electrically connected to the CAN system via the remote power module.
    [22] Switching on According to another process, a method is included in which a wireless vehicle is powered by means of an associated power take-off drive, a direct supply of power from an electric hybrid drive system. A power take-off request switch equipped for using the CAN system with a remote power module is programmed to receive a power take-off request signal with the wireless transmitter and a remote power module from a power take-off request switch with a method of the power take-off request signal receiver. determines if the wireless PTO request switch is intended for a change in PTO operation. A power take-off request switch is switched off cyclically as an output signal the wireless response to a signal from the wireless PTO request switch to enable a change in the power take-off operation. An activation state of a power take-off is modified after the output of the _] _] __ wireless cyclically. PTO request switch turned off SHORT FIGURE DESCRIPTION
    [23] Fig. 1 is a side view of a vehicle equipped for PTO operation.
    [24] Fig. 2 is a high level block diagram of an operating system for the vehicle of Fig. 1.
    [25] With respect to a. PTO operation sonl can be implemented in Fig. 3 is a diagram of a state machine operating system in Fig. 2.
    [26] Figs. 4A-D are schematic illustrations of a hybrid drive system used to support PTO operation.
    [27] Fig. 5 is a system diagram1 of the chassis and body initiation hybrid operation of the PTO drive motor.
    [28] Fig. 6 is a map of pin contacts for input and output of a remote power module in the system diagram of Fig. 5.
    [29] Fig. 7 is a map of the input and output positions of the electrical system controller of Fig. 5.
    [30] A hydraulic system.
    [31] Fig. 9 is a system diagram of an operating system for the vehicle of Figs. 8A-D.
    [32] Figs. 10A-D are schematic views of a vehicle with _12_ a hydraulic system or hybrid drive system with a power take-off drive with an accumulator and an accumulator isolation valve_
    [33] Electric hybrid drive system Fig. 11 is a schematic view of a vehicle with a hydraulic system that can be operated remotely. with PTO drive
    [34] Fig. 12 is a schematic view of a vehicle having a hydraulic system whose operation and energy source can be monitored. electric hybrid drive system with power take-off drive
    [35] Fig. 13 is a schematic view of a vehicle having a hydraulic system whose operating condition can be communicated to an electric hybrid drive system with power take-off driven user by visual or audible signals.
    [36] Fig. 14 is a schematic view of a vehicle having a hydraulic system that can be operated remotely. electric hybrid drive system with PTO drive DETAILED DESCRIPTION
    [37] A truck 1 with a mobile crane and hybrid operation is illustrated.
    [38] With mobile crane and hybrid operation _13_ comprises a power take-off load, here a skylift unit 2 mounted on a platform on a rear part of the truck 1. During configuration for electric power take-off operation, the transmission for the truck 1 with mobile crane and hybrid operation can be set in support legs can be folded out to stabilize the vehicle , and indication parking mode, the parking brake can be applied, from a vehicle-mounted network that the vehicle speed is less than 5 km / h can be received before the vehicle enters the PTO position. For other different vehicle types, indications may indicate readiness for PTO operation, which may but need not include stopping the vehicle.
    [39] Upper arms 14 which are pivotally coupled to each other. The Skylift unit 2 comprises a lower arm 3 and a lower arm 3 is in turn mounted to rotate on the truck bed on a support 6 and a rotatable support bracket 7.
    [40] A schematic high level diagram of an operating system 21 illustrated with reference to Fig. 2 represents a system that can be used with operating the vehicle 1. An electrical system control unit 24, a type of is linked via a public data link 18 (here CAN bus follows SAE J1939 standard) to a variety of local control units body computer, illustrated as one which in turn implements direct operation of most of the vehicle 1 functions. The electrical system control unit 24 can also be directly connected to selected inputs and other buses. Direct "chassis input" outputs and includes ignition switch input data, brake pedal position input data, hood position input data and parking brake position sensor, which are connected to supply signals to the electrical system control unit 24.
    [41] Parallel type which utilizes a drive system 20 wherein the Vehicle 1 is illustrated as an electric hybrid vehicle by the output of either an internal combustion engine 28, an electric motor and generator 32, or both parts, can be connected to the drive wheels 26. diesel engine. Like other full-hybrid systems, the combustion engine 28 may be designed to capture the vehicle's inertia during braking or deceleration. The electric motor and generator 32 run a generator from the wheels, and the generated electricity is stored in batteries during braking or deceleration. Later, the stored electrical energy can be used to drive the electric motor and generator 32 instead of or in addition to the internal combustion engine 28 to extend the range of the vehicle's conventional fuel supply. The drive system 20 is a specific variant of hybrid design which supports power take-off either from the internal combustion engine T128 or from the electric motor.and the generator 32. When the internal combustion engine 28 is used for power take-off it can be run at an efficient output level and used to support power take-off operation and drive the electric motor and generator 32 in its generator position to charge the propulsion batteries 34. Typically, a power take-off application consumes less energy than the output of an efficient internal combustion engine 28. thermal throttle setting for a
    [42] Up the kinetic energy of the vehicle during deceleration by using the electric motor and generator 32 to catch the used drive wheels 26 to drive the electric motor and the generator 16. 32. In such cases, the automatic clutch 30 disconnects the motor 28 from the electric motor and the generator 32. The motor 28 can both electricity and use the power take-off system 22, to be used for power supply for generating propulsion wheels 26, or to provide propulsion power and run a generator to generate electricity. If the power take-off system 22 is a skylift unit 2, it is unlikely that it would be used with the vehicle in motion, and the description here actually presupposes that the vehicle is to be stopped for electric power take-off, but there may be other power take-off applications where this does not occur.
    [43] Kinetic energy in response to the electric motor and the generator The drive system 20 provides for the capture of 32 is driven backwards by the motive force of the vehicle. The transitions between positive and negative contributions from the drive motor are detected and handled by a hybrid control unit 48. The electric motor and generator 32 generate during braking electricity which is fed to the propulsion batteries 34 via an inverter 36. checks the data link traffic of the ABS control unit 50 to determine if kinetically .
    [44] The system for storing electrical energy on the vehicle 1. In the Propulsion Batteries, only vehicles used at the time of writing this may be a plurality of 12-volt applications in general use, and the vehicle 1, the patent application may still be equipped with a parallel 12-volt system to support the vehicle. To simplify the illustrations, it is not shown that including such a parallel system would allow the use of this. possible parallel systems. easily accessible and inexpensive components designed for use in motor vehicles, such as light bulbs for lighting.
    [45] The electric motor and generator 32 can be used to propel the vehicle 1 by utilizing energy from the battery 34 via the inverter 36, which provides three-phase current at 350 volts rms. The battery 34 is sometimes referred to as distinguishing power from various vehicle systems from a secondary 12-volt lead-acid battery 60 used to power propulsion batteries. However, hybrid propulsion than heavy commercial vehicles tends to take less advantage of Thus, electrical energy also to drive the electric power take-off system far cars. is used stored 22. In addition, the electric motor and generator 32 are used to start the engine 28 when the ignition is in the start position. In some circumstances, the motor 28 is used to drive the electric motor and the generator 321 down the transmission 38j in the idle position to generate electricity to charge the battery 34 and / or connected to the power take-off system 22 to generate electricity to charge the battery 34 and drive the power take-off system 22.
    [46] Which could be used only sporadically by a A skylift unit 2 is an example of a system worker to first raise and later move its basket 5.
    [47] In series with an automatic clutch 30 which enables the drive system 20 comprises a motor 28 connected disconnection of the motor 28 from the rest of the drive system when the motor is not used for propulsion or charging of the battery 34. The automatic clutch 30 is directly connected to the electric motor and generator.32 which in turn is connected to a transmission 38. The transmission 38 is in turn used to supply energy from the electric motor and generator 32 to either the PTO system 22 or the drive wheels 26.
    [48] An operating system 21 implements interaction between the operating components of the functions just described. The electrical system controller 24 receives input data regarding throttle position, brake pedal position, ignition condition and sends these to the transmission controller 42 which in turn sends the signals to the hybrid controller 48.
    [49] The operation of the PTO 22 is implemented _20_ several RPM). power modules are data-linked expansion modules for input and output data, which is programmed to use them. If RPMs conventionally via one or more remote power modules (Remote Power Modules, specially designed for the electrical system controller 24, 40 function as power take-off controllers, they may be configured to provide output 70 via fixed wiring and input via fixed wiring which are used by to Motion Requests from the power take-off unit 22 and and from the load / skylift unit 2. the skylift unit 2 and position reports are fed to the non-public data link 74 for transmission to the electrical system controller 24, which converts them to specific requests to the other controllers, for example a power take-off request.
    [50] Affected by damage to the vehicle or architectural conflicts The body power requirement signals can be distorted as well as via the vehicle's CAN system. Consequently, an alternative _2l_ mechanism1 is included for generating power requirement signals for the power take-off from the vehicle's conventional control network.
    [51] Both the electrical system control unit 24 function as portals and / or the transmission control unit and conversion units between the various data links. The non-public data links 68 and 74 operate at significantly higher baud rates than the public data link 18, and consequently include buffering for a message sent from one link to another. In addition, a message may be reformatted, or a message on one link may be changed to another type of message on the other link; for example, a motion request via the data link 74 can be converted to a request for transmission connection to the transmission control unit 42. The data links 18, 68 and 74 are from the electrical system control unit 24 all CAN systems and comply with the protocol SAE Jl939.
    [52] With a state machine 300 representative of Fig. 3 to illustrate a reference, a possible operating structure is used. Entry into the state machine 300 takes place via either of two states 300, 302 where the electric power take-off is activated, depending on whether the motor 28 is running for _22_ In the state where the electric power take-off is activated, they have the conditions to charge the propulsion batteries 34 or not. which initiates electric power take-off operation is fulfilled, but the actual power take-off accessory receives no energy. Depending on the charge status of the propulsion batteries 34, tower 28 may be running (state 302) or not running (state 304). automatic clutch 30 engaged (+).
    [53] Four power take-off operating modes, 306, 308, 310 and 312 are defined. These conditions occur in response to either a body power requirement or a chassis power requirement. Within the power take-off, the charging of the vehicle battery continues to work. State 306 includes that the motor 28 is running, the automatic clutch 30 is engaged, the electric motor and the generator 32 are in their generator position and the transmission has a gear engaged for power take-off. In the state 308, the motor 28 is switched off, the automatic clutch 30 is in the engine position and running and the transmission 38 has a gear engaged for PTO. Conditions 306 and 308, such as a class, are provided after loss of body power requirement signal (which can be disconnected, the drive motor in place as a result of cancellation of PTO activation), or after or upon occurrence of a chassis power requirement signal. Changes in conditions resulting from the charge status of the battery may force changes within the class between states 306 and 308.
    [54] The vehicle in the various states of the state machine as Figs. 4A-D graphically illustrates what is being implemented on by appropriate 4A1 corresponds to state 304, one of the states where the electric power take-off is activated. Fig. 4B corresponds to state 302, the second state of the power take-off is states 308, states 306 and 310. 28 off (state (state 102)), state may be undefined, but summer motor mode programming of the power system controller 24 is shown.
    [55] Fig. 4C 300 states 308 and 312 with the motor 28 turned off 100 and the automatic clutch 30 disengaged 102. The battery 34 discharged corresponds to the state machine 108 for operating the drive motor in its operating state 104 for supplying torque to the transmission 38 having a gear 126 to power. 4D 300 states 306 and 310. The internal combustion engine 28 is running 120 so that the 122 automatic connection for driving the electric motor and the generator 32 supplied feed driving torque corresponds to that of the state machine for supplying energy via one engaged in its generator position to supply electrical energy to a battery during charging (128) and to deliver torque via the transmission to the PTO application.
    [56] Figs. 5-7 illustrate a specific operating device and network architecture upon which state machine 300 may be implemented. Further information regarding hybrid drive control systems can be found in U.S. Patent Application Serial No. 12 / 239,885, filed September 29, 2008 entitled "Hybrid Electric Vehicle Traction Motor Driven Power Take Off Control System", which is assigned to the assignee of the present patent application and in its incorporated in this application by reference, and U.S. Patent Application Serial No. 12 / 508,737, filed July 24, 2009 and assigned to the assignee of the present patent application and incorporated herein by reference in its entirety by reference.The device also provides for the operation of a secondary pneumatic power take-off drive. 87 to illustrate that conventional power take-offs can be mixed with electric power take-offs on a vehicle.The secondary Electrical System Control Unit 24 operates 25 pneumatic power take-offs 87 with multiple solenoid valves 85. Available use of an air pressure can dictate operating response and consequently an air pressure sensor 99 is connected to Provide directly to the electrical system control unit 24. the electrical power take-off could be implemented using the input. Alternatively, air pressure readings such as the pneumatic system if the drive motor power take-off were an air pump.
    [57] The cable 74, J1939 standard connects electrical system controllers 124 to RPM units 140 is a compliant and twisted pair of cables. The RPM unit 40 displays inputs (A-F) via fixed wiring and an output. A twisted pair cable 64 that complies with the SAE J1708 standard connects the electrical system control unit 24 to a recess 64 for the cab instrument panel on which various control switches are mounted. The public twisted pair J1939 cable 18 connects the electrical system controller 24 to the instrument controller 58, the hybrid controller 48 and the transmission controller 42. The transmission controller 42 is provided with a non-public connection to the cab-mounted transmission control console 72. A connection between the hybrid controller 48 and the console 72 is also omitted. .
    [58] And the output pins of the RPM unit 40 for a specific Input Pin A are the requirement circuit 1 of the electric hybrid vehicle, which may be a 12 volt Fig. 6 illustrates in detail the use of application. the input for direct current or earth signal. When active, the drive motor operates continuously. Input pin B is the input for the electric hybrid vehicle's requirement circuit 2, which can be a 12 volt DC or ground signal. When active, the drive motor operates continuously. Input pin C is the input for the electric hybrid vehicle's requirement circuit 3, which can be a 12 volt DC or ground signal. When the signal is active, the drive motor operates continuously. Input pin D is the input for the requirement circuit 4 of the electric hybrid vehicle 4, which may be a 12 volt DC or ground signal. When the signal is active, the drive motor operates continuously. In other words, the designer can provide from which a four remote locations for switches can initiate a power take-off to the drive motor. Input pin E is a remote deactivation input power take-off. operator body power requirement signal for driving the electric hybrid vehicle The signal can be either 12 volts DC or ground. When it is active, the power take-off is Input pin F, the feedback signal is deactivated. for the electric hybrid vehicle's electrical power outlet is connected. This signal is a ground signal that originates or the Output Pin conveys the actual power requirement signal. As mentioned from a PTO-mounted pressure ball lock-based feedback switch. it can be the subject of various readings. In the example, the locking conditions are that the measured vehicle speed is less than 3 miles per hour (approximately 4.8 km / h), the gear is in neutral and the parking brake is applied.
    [59] Fig. 7 the chassis output pins illustrate the locations of and the chassis input pins on the electrical system controller 24.
    [60] Secondary mechanism for operating the electric hybrid motor and The system described here provides a generator by using various chassis data from original equipment manufacturers (OEMs), thereby bypassing the TLUs' input (requirements) signal transmitting units (e.g. RPM 40). Initiating this mode of operation can be made as simple as desired using a single cab-mounted switch, which may be located in the switch package 56 or may be made more complicated and less obvious using a "code". With the vehicle in would, for example, follow. of 'operating input sonx an electric power take-off position the service brake can be depressed and held down, and the headlights flash on and off twice. When the service brake is released, subsequent activations of the main beams could generate a signal to change the operation of the drive motor. In all cases, the TLU input states are ignored or bypassed when the drive motor is operated by "chassis-initiated" input data.
    [61] Referring to Figs. 8A-D, an electric hybrid drive system having a power take-off hydraulic system 800 is shown. The electric hybrid drive system having a power take-off hydraulic system 800 includes an internal combustion engine 802, an electric motor and generator 803, a power take-off 804 and a first hydraulic pump 806 and a second hydraulic pump 808. The PTO 804 is adapted to receive energy from either the internal combustion engine 802 or the electric motor and generator 803. The PTO 804 drives the first hydraulic pump 804 and the second hydraulic pump 808. shown in the first
    [62] Like 8A-D, the hydraulic pump 806 is a fixed displacement hydraulic pump, Fig. As an eccentric pump, while the other hydraulic pump 808 is a variable displacement hydraulic pump, such as a piston pump.
    [63] The second hydraulic pump 808 has an actuating motor 810 and / or an actuating solenoid 812 for actuating 808 variable The actuating motor 810 may be an adjustment of the displacement setting of the second hydraulic pump. electric motor, a stepper motor with electromagnet or the like. 812 solenoid unit or similar.
    [64] Driving the power take-off 804 to power the internal combustion engine 802 could be used for the first hydraulic pump 806, while the electric motor T1 and the hydraulic pump 808. The use of the first hydraulic pump is usually used to power the second 806 or the second hydraulic pump. 808 often depends on 805. A hydraulic load uses the first hydraulic pump load level on a hydraulic system large _28_ 806, hydraulic load uses the second hydraulic pump 808, driven by the internal combustion engine 802, while a small driven by the electric motor and generator 803.
    [65] Torque to the hydraulic pumps 806, 808 at the speed of the internal combustion engine is adapted to supply about 700 rpnl to about 2,000 rpnn However, the electric motor and generator 803 provide a high torque level at lower and the generator 803 is used to drive the second hydraulic pump 804 , the displacement of the second hydraulic pump is adjusted to a larger displacement if the hydraulic load on the hydraulic system 805 requires the electric motor and generator 803 to operate at speeds above 1,500 rpm. The control motor 810 and / or the control solenoid 812 increase the displacement of the second pump 808 so that the electric motor and the generator 803 can provide sufficient hydraulic fluid flow while operating at speeds lower than 1,500 rpm. pressure for hydraulic system 805,
    [66] On similar hydraulic system 805 decreases, the second hydraulic pump mode, if. the load inside the 808 displacement is adjusted to a smaller displacement, and the electric motor1oc oc1 the generator.803 can be slowed down to speeds below 1,500 rpm.
    [67] Displacement When the Load of the Hydraulic System 805 Changes In addition to adjusting the second hydraulic pump 808 to a load that requires the electric motor and generator to operate at speeds above 1,500 rpm, the second hydraulic pump 808 could also be adjusted by the engine motor 810 and / or the control solenoid 812 to a displacement that enables the electric motor and generator to work at a higher level of efficiency. For example, if the electric motor and generator produce torque efficiently at a speed of 1,300 rpm, the displacement of the second hydraulic pump 808 can be adjusted so that the load of the hydraulic system 805 is met by the second hydraulic pump 808, while the electric motor and generator operate at 1,300 rpm.
    [68] The hydraulic system 805 depicted in Figs. 8A-D includes the container 814 used in the hydraulic system further comprising one 805.
    [69] The electric motor and generator 803 are connected to a battery 820 and an electric control unit 822. The battery 820 stores electrical energy to be used by the electric motor and the generator 803. The electric control unit 822 regulates the electrical energy between the battery 820 and the electric motor and the generator 803.
    [70] Referring to Fig. 9, a specific actuator and network architecture 900 is shown, whereupon the electric hybrid drive system with a state of the power take-off hydraulic system 1800 can be implemented. A first remote control 902 and / or a second remote control 904 is included on the TLU components to enable a user to operate the output of the electric motor and generator 803 or 802. the remote control 904 is a hand-operated fine-tuning control.
    [71] Electrically connected to the motor control module, As shown in Fig. 9, the first remote control or electronic control module, (Electronic Control Module, ECM) is 906. The second remote control 904 may be electrically connected to the ECM 906 via a remotely connected speed control module ( Remote Engine Speed Control Module, RESCM) 908 or a power module 910.
    [72] 912 is electronically connected to ECM 906 via a cable 916 that complies with the J1939 standard. The J1939 cable 916 also connects an instrument set 918, the Electrical System controller a hybrid control module 920 and a 922 to the ECM unit 906.
    [73] The electrical system controller 912 generates speed commands for the internal combustion engine 802 and / or the electric motor and the generator 803 so that the first hydraulic pump 804 and / or the hydraulic system second 805 electrical system controller 912 generates an increasing signal or the hydraulic pump 806 meets requirements. For example, the speed of the electric motor and generator 803 may decrease to provide sufficient hydraulic fluid flow from the second hydraulic pump 806. Similarly, the electrical system controller 912 may generate a signal that increases or decreases the speed of the internal combustion engine 802 to provide sufficient hydraulic fluid flow from the first hydraulic pump 804.
    [74] Output signal sent to the second hydraulic pump 806 if the Electrical System Control Unit 912 further generates a displacement of the second hydraulic pump 806 is to be modified. If a hydraulic load exceeds a predetermined threshold, displacement of the second hydraulic pump 806 If, for example, the electric motor and generator 803 are used to supply energy to the second hydraulic pump, and the electric motor and generator 803 2,000 rpm, output speed 812 or the control motor 812 to increase it generates the electrical system controller which causes the displacement of the second hydraulic pump 806, so that the output of the second hydraulic pump 806 is increased, and the speed of the electric motor and generator 803 is maintained within a correct operating range.
    [75] In addition, both the first hydraulic pump 804 and the second hydraulic pump 806 could be used simultaneously.
    [76] The hydraulic system 805 of the present embodiment can be used to power variable speed applications, such as crane trucks, boom trucks, shredders and other variable speed devices.
    [77] In addition, the use of a second variable displacement hydraulic pump 806 improves the energy efficiency of the electric hybrid drive system with a power take-off driven hydraulic system 800, since the motor 802 and / or the electric motor and the generator 803 can operate, with more efficient settings. Therefore, the fuel consumption or the electrical energy required decreases.
    [78] Referring to Figs. 10A-D, a hydraulic hybrid drive system 1000 is shown. The hydraulic hybrid drive system 1000 includes an internal combustion engine 1002 and a hydraulic pump 1004 connected to and driven by a power take-off 1003. The power take-off may be supplied with energy from the internal combustion engine 1002, or may be a power take-off as described above which may be powered by an electric motor and generator 1005 and / or the internal combustion engine 1002.
    [79] The 1000 further comprises a hydraulic accumulator 1006 arranged in the hydraulic hybrid drive system fluid communication with the hydraulic pump 1004.
    [80] Store pressurized hydraulic fluid from the hydraulic pump 1004. hydraulic reservoir 1007 with the hydraulic pump The hydraulic accumulator 1006 is adapted to be set up in 1004.
    [81] An accumulator isolation valve 1008 is provided 1006. regulates the flow of 1006. A positions a hydraulic fluid out of the accumulator isolation valve 1008 hydraulic fluid from the hydraulic accumulator 1010 accumulator isolation valve.1008 between prevents hydraulic fluid from flowing from the hydraulic accumulator 1006. 1010 could also position the accumulator isolation valve 1008 in a plurality of intermediate positions between the first position and the accumulator solenoid the second position to regulate the flow of hydraulic fluid from the hydraulic accumulator 1006.
    [82] A fluid communication 1012 is the hydraulic accumulator provided in 1006.
    [83] The hydraulic hybrid drive system 1000 further includes the vehicle hydraulic system 1013.
    [84] The vehicle hydraulic component sensor 1013 includes a 1014.
    [86] The speed of the internal combustion engine 1002, or even the electrical system control unit 1016 can also be used to shut down the engine 1002 when there is no hydraulic load in the hydraulic system 1013 of the vehicle, by communicating with the ECM unit 1024. Similarly, the electrical system control unit 1016 can be used. to increase the speed of the internal combustion engine 1002 via the ECM 1024 if 1013, the hydraulic pressure in the hydraulic accumulator 1006 does not meet the load in the vehicle's hydraulic system and the hydraulic pump 1004 is required to increase the pressure in the hydraulic accumulator 1006.
    [87] To generate a message on the operator's display unit The accumulator sensor 1012 can be used 1026, or provide an indication on the instrument set 1028, so that an operator knows the state of the hydraulic accumulator 1006.
    [88] Internal parasite leakage in the vehicle hydraulic system 1013 The accumulator isolation valve 1008 reduces it by preventing hydraulic fluid from the hydraulic accumulator 1006 from flowing past the closed accumulator isolation valve 1008.
    [89] Referring to Fig. 11, there is shown an electric hybrid drive system having a power take-off hydraulic system 1100. The electric hybrid drive system having a power take-off hydraulic system 1100 includes an internal combustion engine 1102, an electric motor and generator 1103, a power take-off 1104, a second hydraulic pump 1108. first hydraulic pump 1106 and one to receive energy from either the internal combustion engine 1102 The power take-off 1104 the first hydraulic pump 1106 or the electric motor and generator 1103. drives it and the second hydraulic pump 1108.
    [90] 1106 eccentric pump, As shown in Fig. 11, the first hydraulic pump is a fixed displacement hydraulic pump, such as one while the second hydraulic pump 1108 is a variable displacement hydraulic pump, such as a piston pump.
    [91] The internal combustion engine 1102 could generally be used that the power take-off 1104 of the hydraulic pump 1106, 1103 could be used to power the power take-off 1104 to power to power the first while the electric motor and generator could usually drive the second hydraulic pump 1108. Use of the first hydraulic pump 110 or the second hydraulic pump 1108 often depends on the load level of a hydraulic system 1105. the hydraulic pump 1106, A large hydraulic load uses the first driven by the internal combustion engine 1102, while a small hydraulic load uses the second hydraulic pump 1108, driven by the electric motor.and the generator 1103.
    [92] The power take-off 1104 has a first power take-off gear mechanism 1110, a second power take-off gear mechanism 1111 and a third power take-off gear mechanism 1112, adapted to enable engagement and disengagement of the power take-off 1104. The first power take-off gear mechanism 1110 and the second power take-off gear mechanism 110 the third PTO gear mechanism 1112 is spaced from the PTO 1104.
    [93] The hydraulic system 1105 depicted in Fig. 11 further includes a container 1114 containing hydraulic fluid used in the hydraulic system 1105.
    [94] Electric hybrid drive system hydraulic system 1100.
    [95] Is also included. 1140 is a communicator with a receiver 1142.
    [96] Thus, a variety of ways to activate and deactivate the power take-off 1104 with the actuator offers at least one of 1122, 1124, 1140.
    [97] Thus, the power take-off 1104 of the electric hybrid drive system with a power take-off hydraulic system 1100 can be engaged, disconnected or reconnected from more than one location. Such operation is useful when an operator may need to move around a vehicle to an accessory.
    [98] By integrating the ECM 1132, the transmission control module 1136, the hybrid control module 1138 and the electrical system controller 1128, the operation of the electric hybrid drive system with a PTO driven hydraulic system 11100 connects the operation of the motor 1102, the electric motor and the generator 1103, and the TLU equipment 11. Cause the operation of the power take-off 1104 to cause the motor 1102, the electric motor and the generator 1103 to operate so that the energy source of the power take-off 1104 is selected based on the load on the system from the hydraulic pumps 1106, 1108. _39_
    [99] Fig. 12 shows an electric hybrid drive system with a power take-off driven hydraulic system 1200.
    [100] The internal combustion engine 1202 could usually be used to power the first hydraulic pump 1206 when it is high to drive for hydraulic demand, while the electric motor and generator 1203 could usually be used to power the power take-off 1204 to drive the first hydraulic pump 1206 when the hydraulic requirement is low, while one or both of the internal combustion engine 1202 as well as the electric motor and generator 1203 could be used to power the second power take-off component 1208.
    [101] The PTO 1204 has a first PTO gear mechanism 1210, a second PTO gear mechanism 1211 adapted to enable engagement and disengagement of the PTO 1204 and the PTO driven components 1206, 1208.
    [102] Fig. 12 also shows an actuator 1220 for the electric hybrid drive system with the power take-off hydraulic system 1200. The actuator 1220 monitors the electric motor and 1204 and the 1208. The first provides an operation of the internal combustion engine 1202 and 1203 the take-off power take-off components 1206, the generator and the RPM unit 1224. to a feedback signal 1222 to an RPM unit 1224, electrical electrical system controller 1226 is connected via a cable 1228 as. follows the J1939 standard. The electrical control unit 1226 is electrically connected to an ECM unit 1230 via the J1939 cable 1232. A transmission control module 1234 and a hybrid control module 1236 are also connected to the cable 1232 and are therefore electrically connected to the ECM unit 1230. The electrical control unit 1226. The power take-off gear mechanism 1211 also provides a second and second feedback signal 1238 directly to the electrical system controller 1226.
    [105] The electrical system controller 1226 further monitors the output of the ECM 1230 and the hybrid control module 1236 to determine the amount of torque output from one or both of the internal combustion engines 1202 and the electric motor and generator 1203 used to power the power take-off 1204. Thus, the electrical control unit 12 The torque utilized by the power take-off 1204 comes from the internal combustion engine to track the percentage of it 1201, from the electric motor and the generator 1203. By monitoring it and what percentage of the torque coming the torque comes from 1202 the torque coming from the electric motor and the generator from the generator 1203 that percentage of the actuator 1220 can track all utilization of the power take-off 1204, not just that of the internal combustion engine.
    [107] With electric hybrid drive system 1300. PTO driven for a reference Fig. 13 shows a PTO driven one includes one with hydraulic system Electric hybrid drive system with 1300 internal combustion engine 1302, an electric motor and generator 1303, a hydraulic system PTO 1304 and a first hydraulic pump 1306 and a second hydraulic pump 1308. 1304 is adapted to receive energy from either the internal combustion engine 1302 or the electric motor and generator 1303. The power take-off 1304 drives the first hydraulic pump 1306 and [0O108] 1306 eccentric pump. As shown in Fig. 13, the first hydraulic pump is a fixed displacement hydraulic pump, such as a the second hydraulic pump 1308 is a variable displacement hydraulic pump, such as a piston pump. _ 42 _
    [109] The internal combustion engine 1302 would normally be able to power the receptacle 1304 to power the hydraulic pump 1306, while 1303 would be used to power the power take-off 1304 to power the first electric motor and the generator would normally be able to drive the second hydraulic pump 1308. Use of the first hydraulic pump 1308 or the second hydraulic pump 1308 often depends on the load level of a hydraulic system 1305. The hydraulic pump 1306, A large hydraulic load uses the first drive of the internal combustion engine 1302, while a small hydraulic load uses the second hydraulic pump 1308, driver1 of the engine1 and generator 1303.
    [111] Electric hybrid drive system hydraulic system 1300. first PTO request switch 1322.
    [112] Is also included. 1340 is a communicator with a receiver 1342.
    [114] 1320 variety of ways to activate and deactivate the PTO 1304 The actuator thus offers at least one of 1324, 1325, 1340. using the PTO request switches 1322, [OOl15] the PTO request switch Since the second, third and fourth 1324, 1340, 1325 are arranged outside the vehicle with the electric hybrid drive system with a 1300, operator is informed that the control device 1320 has detected the PTO request PTO driven hydraulic system must a request from 1324, 1340, 1325. A switch for selecting mode of operation 1340 arranged inside a visor at least one of a power supply 13 PTO operation indicator 1344 is used to indicate the vehicle cab enables or audibly a change in the operation of the PTO 1304, such as the PTO 1304 being activated or the PTO 1304 being deactivated. The visual power take-off indicators 1342 and 1344 are electrically connected to the RPM 1326. For example, a lamp the audible power take-off indicator could be used as a visual power take-off indicator 1342, while a loudspeaker could be used for the audible power take-off indicator 1344. The operator can select the visual and the audible power take-off indicator 1342, environment where suitable of 1344 depending on the vehicle with the electric hybrid drive system with a power take-off hydraulic system 1300 is operating. For example, if the vehicle is in a noisy environment, a visual power take-off indicator 1342 is more appropriate, while an audible power take-off indicator 1344 can be selected if the vehicle is operating in a bright environment.
    [117] Furthermore, both the visual power take-off indicator 1342 and the audible power take-off indicator 1344 could be used simultaneously to provide an indication of the state of the power take-off 1304. Fig. 14 shows an electric hybrid drive system1 with a power take-off hydraulic system 1400.
    [120] Electric hybrid drive system hydraulic system 1400.
    Fig. 14 also shows an actuator 1420 for it The actuator 1420 has a cordless PTO request switch 1422 of the wireless type which 1424. arranged in the RPM unit 1426 is electrically connected to an electrical system controller 1428 cable 1430 J1939 standard.
    The electrical control unit 1428 is electrically connected to an ECM unit 1432 J1939 cable 1434. A transmission control module 1436 and a hybrid control module 1438 are also connected to the cable 1434 and are therefore electrically connected to the ECM unit 1432 electrical control unit 1428. communicating with a receiver 1424 is communicatively connected to an RPM unit 1426.
    The PTO request receiver via one that follows via also connected and [OO121] type also has the PTO switch 1440, a 1442 shut-off device 1444 for remotely connected equipment. 1440, the control switch and the PTO switch 1422 of the wireless control switch for the internal combustion engine and a To use the PTO switch 1442 the remote device 1444 for remote equipment, for the internal combustion engine transmits the PTO 14 switch of the terminal 14 The RPM unit 1426 to the receiver 1424, so that the receiver 1424 leaves its output state, which signal change from the receiver 1424 to the RPM unit blocked allows a 1426, such as a signal to turn off the power take-off 1404 1440. other from the power take-off switch 1420 to all necessary locking conditions. such as that a parking brake a The actuator ensures is engaged and a vehicle ignition key is in the output RPM unit 1426 to the receiver 1424 may be turned off cyclically. predetermined position, are met before from Thus, if the PTO 1404 has been turned off based on a lockout condition no longer being met, the PTO request switch 1422 will not be able to the PTO 1404, provided that the lock condition is still not met. reactivate [02222] Output from the RPM 1426 to the receiver 1424 could be turned off cyclically for a period of about 100 ms. Such a time period is short enough for it to be unlikely that an operator will make another maneuver request during this period, and is also short enough for an operator to probably notice any delay in the power take-off 1404 work. Thus, an operator can use the PTO request switch 1422 to change the operating state of the PTO 1404, 1402 equipment, such as the hydraulic motor 1416, without having to enter the internal combustion engine or the remote into the vehicle cab.
    权利要求:
    Claims (19)
    [1]
    1. 1. Vehicles equipped for power take-off operation using direct power supply from an electric hybrid drive system comprising: a Controller Area Network (CAN), a body computer connected to the CAN system for receiving a plurality of chassis signals, an electrical control module, an electron, the electric hybrid control module , the control module is connected to the body computer, the transmission control module to the hybrid control module, a data link-based remote power control system to a transmission control module and an additional device arranged to generate body demand signals to initiate operation of the vehicle's electric hybrid drive system for the power take-off module. remote control and a wireless electric power take-off switch to the CAN system remote power module, the body computer connected via programmed to receive a signal from to change an operating state of the power take-off operation, cycle wire wireless power take-off switch the power module to the remote connected switch off an output signal to the output emet; which is it, it can and istically solve the PTO request sonl response to. a wire take-off request switch for possible signal from it a change in power take-off operation, the wire take-out request switch comprising a transmitter and a receiver.
    [2]
    A vehicle according to claim 1, wherein the wire PTO request switch comprises a control switch for the internal combustion engine. solve do solve a solve a 10 15 20 25 30 35 _48 ...
    [3]
    The vehicle of claim 1, wherein the wireless power take-off request switch comprises a power take-off switch.
    [4]
    The vehicle of claim 1, wherein the wireless PTO request switch comprises a remote device shut-off device.
    [5]
    A vehicle according to claim 1, cyclically wherein the remote power module shuts off an output signal to the receiver.
    [6]
    A vehicle according to claim 5, wherein the receiver releases a state when cyclically shuts off an output signal to the receiver. blocked Wen remote power module
    [7]
    Vehicle according to claim 6, wherein the receiver's release of the locked condition enables a change in PTO operation.
    [8]
    A vehicle according to claim 7, wherein the CAN system checks that all readings are active before a change in PTO operation.
    [9]
    The vehicle of claim 1, wherein the remote power module cyclically shuts off an output signal to the wireless PTO request switch for a period of time of about 100 milliseconds. equipped for a vehicle power take-off operation using direct energy supply
    [10]
    An operating system for from an electric hybrid drive system, comprising: a CAN system having an electronic control module, a body computer and a remote power module, and a wireless power take-off request switch electrically connected to the remote power module, the body computer being able to connect the CAN computer. the system via the it to change an operating state.of the power take-off operation, and wherein the cyclic wireless is programmed to receive a signal from the wireless power take-off request switch for the power module to the power take-off request switch soul response on a remote switch off an output signal the signal from the wireless power take-off change in PTO operation.
    [11]
    The control system according to claim 10, wherein the wireless take-off request switch comprises a control switch for the internal combustion engine.
    [12]
    12.. The control system of claim 10, wherein the wireless PTO request switch includes a PTO switch.
    [13]
    The operating system according to claim 10, wherein the power take-off request switch comprises a shut-off device for remotely connected equipment.
    [14]
    The operating system of claim 10, wherein the wireless power take-off request switch comprises a transmitter and a receiver and the remote power module cyclically shuts off an output signal to the receiver.
    [15]
    The control system of claim 14, wherein the receiver releases a locked state when the remote power module cyclically shuts off an output signal to the receiver.
    [16]
    The operating system according to claim 15, wherein the release of the locked condition of the receiver allows a change in power take-off operation. 10 15 20 25 30 35 _50_
    [17]
    A method of engaging a power take-up by means of a wireless vehicle equipped with the use of a power take-off request switch for power take-off operation with direct supply of energy from an electric hybrid drive system, the method comprising: programming a CAN system. with power module to with the remote power module a remotely connected receive a power take-off request signal from a wireless power take-off request switch provided with a transmitter and a receiver, determine whether the power take-off request signal from the wireless power take-off request switch is a change in the power switch. response to the signal from the wireless power take-off request switch to enable a change in power take-off operation, and modify an activation state.of a power take-off after cyclic shutdown of the output signal to the wireless power take-off request switch_
    [18]
    The method of claim 17, further comprising checking that all locking states are met prior to modifying an actuating state activation state.
    [19]
    The method of claim 17, further comprising modifying an operating state of an internal combustion engine by means of a control switch for the internal combustion engine when the wireless PTO request switch is cyclically closed êV.
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    同族专利:
    公开号 | 公开日
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    JP2013510040A|2013-03-21|
    SE1250587A1|2012-06-05|
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    WO2011056277A1|2011-05-12|
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