• 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:
    pump system the invention relates to a system for controlling a pump (9), such as a submersible pump designed primarily for pumping water, comprising a pump (9) and a separate electronic control unit (7) connected to the pump ( 9) by an electrical cable (13). the invention is realized in that the control unit (7) is adapted to be detachably connected to the pump (9), in that the control unit (7) is adapted to allow the power supply of the pumps pass through a control unit (7), in that an electronic controller (26) is arranged in the pump (9) to control at least one of the pump's functions and/or monitor at least one of the operating conditions of the pump. bomb; and by the fact that the pump (9) and the control unit (7) are adapted to communicate with each other and to transmit signals, comprising necessary control and/or monitoring information/data between them. the present invention also relates to a pump (9) and an electronic control unit (7) for use in the system according to the invention.
    公开号:BR102013011077B1
    申请号:R102013011077-9
    申请日:2013-05-03
    公开日:2021-09-21
    发明作者:Nils Hokby；Niklas Magnusson
    申请人:Sulzer Management Ag；
    IPC主号:
    专利说明:

    TECHNICAL FIELD
    [0001] The present invention relates to a pump system, such as a submerged pump designed, for example, to pump water. The present invention also relates to a pump and a separate control unit for use in the system. PRIOR TECHNIQUE
    [0002] Pumps are normally controlled by a conventional control panel located between the power source and the pump. Such conventional control panels are designed to be manually adjusted to supply power with a specific current, phase direction, etc., suitable for a specific pump. This is a problem as the operator has to make and monitor these adjustments every time a new pump is installed. If the settings are incorrect, the pump will not work properly, or it could be damaged. It is an advantage if the pump can also be automatically monitored with respect to different operating parameters such as temperature, superheat, low voltage, etc.
    [0003] If, for example, a phase has run out, the pump can continue to pump, but this will require more energy/current and after some time will cause it to overheat. To monitor pump problems, eg overheating, the cables between the pumps and the conventional control panel need to be replaced with cables comprising additional electrical wires for signal transmission, or separate signal cables to be used for this end and connected between the pump and the control panel. Conventional control panels may also comprise a level sensing device for the water to be pumped and connected by a separate cable to the control panel.
    [0004] It is necessary to use different control panels depending on the pump power setting. You cannot use the same control panel for all pumps. Therefore, the specific control panel is usually connected or stored adjacent to its respective pump. This makes it difficult to handle the equipment, so it is necessary to improve the system with pumps and control panels. SUMMARY OF THE INVENTION
    [0005] The aim of the present invention is to provide a system for an easy and flexible connection and control of the pump and where the aforementioned problems are solved or avoided.
    [0006] This objective is accomplished through the present invention, since the system comprises a pump that includes an electronic controller and where the system also comprises a separate electronic control unit, connected and located along the power cable to the pump, that is, between the power source and the pump. In addition, the control source is adapted to be detachably connected to the pump and adapted to allow the pump drive current to pass through the control unit, or to allow galvanic connection to the pumps power source at the point. of power connection. The electronic controller disposed within the pump is adapted to control at least one of the pump operating functions and/or monitor at least one of the pump operating conditions. The pump and control unit are also arranged to communicate with each other and to transmit signals, carry information, data and/or control commands necessary for the operation of the pump.
    [0007] The control unit is provided with at least one operation switch to control at least one function of the pump, as well as providing a display to indicate at least one operating condition of the pump and arranged to send or receive data from the pump and transmit control commands to the pump.
    [0008] In addition, the object of the present invention is also achieved by a pump that has an electric motor and a mechanical pump wheel, comprising an inlet for entering fluid and a discharge outlet for the discharge fluid. An electronic controller is arranged on the pump to control at least one of the pump functions and/or monitor at least one of the pump operating conditions. A direct drive or Soft starter is arranged on the pump to start the electric motor to drive the pump wheel.
    [0009] According to the present invention and above the system, the pump and the separate electronic control unit do not need to be switched to adapt to the power ratio of the specific pump. The technical effect of this is that it is possible to use one and the same electronic control unit for all or most of the pumps, regardless of the pump's power ratio. The advantage of this is that it makes the pump and the electronic control unit considerably easier to handle.
    [00010] When using the electronic control unit according to the invention, a conventional control panel is not necessary.
    [00011] Conventional control panels comprise all the necessary software and the level detection apparatus is connected separately to the control panel. According to the present invention, some of the control functions and electronic logic are transferred from the control panel to the pump. The advantage of this is that the user does not need to make any level or software adjustments in a control panel. The pump and control unit will automatically become equivalent and the control unit will receive/transmit signals only to the equivalent pump.
    [00012] Other objectives, modalities and advantages of the present invention are described in greater detail in the description below and in the subsequent drawings and claims. BRIEF DESCRIPTION OF THE DRAWINGS
    [00013] The present invention will now be described in detail, according to the embodiments of the present invention, with reference to the figures, in which:
    [00014] Figure 1 shows a conventional control panel connected to a pump, according to the prior art; Figure 2 shows a system according to the present invention, including an electronic control unit connected along a cable of power to a pump; Figure 3 shows an electronic control unit according to the present invention, in greater detail, and where the design of the display and activation means are illustrated in greater detail; Figure 4 shows a control unit electronics, according to the present invention, in an exploded view; Figure 5 shows an alternative means of connecting the system, according to the invention, directly to the power output; Figure 6 shows a block diagram illustrating the circuit electrical and electronic according to the present invention; Figure 7 shows a pump according to the invention, including an electronic controller; and Figure 8 shows an electronic controller in the pump, comprising all the electronics necessary to operate the electric motor to drive the pump wheel, such as, for example, starting the equipment and/or electronics to monitor at least one the operating conditions of the pump; DETAILED DESCRIPTION
    [00015] The present invention relates to a system to use and control a pump, such as a submerged pump, for example, designed to pump water. The present invention also relates to a pump and a control unit for use in the system according to the invention.
    [00016] Figure 1 shows the prior art conventional pump system 1, including a pump 2 and its control equipment. The control equipment comprises a conventional control panel 3 connected to the pump 2 via an electrical power cable 4 and the control panel 3 includes all the electronic and electrical equipment necessary to control the pump 2, such as starting the equipment/ electronics and electronics to monitor the operating conditions of the pump 2. Control panel 3 is in turn connected to the power supply (not shown). This type of control equipment needs to be manually and individually adjusted to the specifications for each new pump connected and adapted to the pump size, ie the current draw of the pumps. Therefore, the user/operator of the pump system has to make individual adjustments to the control panel/equipment every time the pump is connected. This is associated with several disadvantages, as it takes time to make proper adjustments, the operator/user needs to be knowledgeable regarding adjustments, as if adjustments are made incorrectly, the pump can be damaged or will operate ineffectively. A water level sensor 5 can also be connected to control panel 3 which is shown in figure 1.
    [00017] Figure 2 shows a pump system 6, according to the invention. An electronic control unit 7 is connected between a power supply outlet 8 and the pump 9. The electronic control unit 7 has an elongated design with an electrical plug connector 10, 11 located at each end. The electronic control unit 7 is also equipped with an operating panel 12 which includes operating switches for manual operation and control of the pump, as well as a display with indicators to show the current operating conditions of the pump 9. The control unit electronics 7 is connected to pump 9 by a three-phase power cable 13 and connected to power supply output 8 via a three-phase power cable 14. It is possible to use the same electrical plugs and cables for many different pumps, regardless of power consumption of the pump.
    [00018] Figure 3 shows the electronic control unit 7 in greater detail. The housing 15 of the electronic control unit 7 is a longitudinally extending body made of a plastic material such as PA6-6 (polyamide also known as nylon) and also comprises the operating panel 12 with its indication and activation means.
    [00019] A first electrical power connector (female) 10 is disposed at one end of the housing 15 and designed for electrical connection of a pump 9, via a first three-phase power cable 13. A second electrical power connector (male) 11 is connected to housing 15 at its other end which is adapted for electrical connection to a power supply 8.
    [00020] In the same figure, and in the lower left part, the operation panel 12, with its indication and activation means, is further enlarged to illustrate the indication and activation means in greater detail. The operating panel comprises light emitting diodes 16 ac which indicate the alarms and warnings regarding the condition of the pump 9. A first indication means, a light emitting diode 16 a, for example, indicates whether the pump needs service. due to water in oil. Oil is present between the two mechanical seals that seal the motor shaft and could be leaking. Pump 9 insulation could also be a problem due to water leaks in the electric motor. The second means of indication or diode 16b indicates that the pump is not operating due to a power failure, for example if a phase is missing or if the phases are out of balance. The third means of indication, or diode, 16c indicates if the pump is not operating due to high temperature in the motor in the starter unit. An alarm, or warning, is indicated when the diode is constantly flashing.
    [00021] The user can also manually control pump 9 using activation means 17 a-c. The first activation means 17a is used to stop the pump and the buttons light up when the pump is stopped. The second activation means 17b is used to place the pump into continuous operating mode, which is the default start mode. The button lights up when the pump is running. The third activation means 17c is pressed for power saving mode and lights up when power activation mode is on.
    [00022] An indication middle ring 16d shows pump status, such as green light when pump is running and red light when pump stops manually, red light flashing when pump stops due to an alarm; blue light on when pump is running in power save mode.
    [00023] Figure 4 shows the electronic control unit 7, according to the present invention, in an exploded view. The electronic control unit 7 comprises a housing 15 having, at an end area, a first (female) electrical power connector 10, arranged for electrical connection of a pump 9, via a first three-phase power cable 13. A second connector of electrical power (male) 11 is connected to housing 15, at its other end which is adapted for electrical connection to a power supply outlet 8 via a second three-phase power cable 14. Housing 15 comprises two housings 18 a, b , which are detachable. Housing 15 further comprises a recess 22 for an operating panel 12, located on one side of housing 15, including indication and activation means. Within the housing 15 three-phase conductors 19 ac are arranged, as well as an earth conductor 19d and a neutral conductor 19e which pass from the first connector 11 through the housing 15 to a second connector 10, essentially in the longitudinal direction of the housing 15. Two or more conductors electrics 20 ac are galvanically connected to three-phase conductors 19 ac at one end and, at the other end, connected to a circuit board 21 disposed within housing 15. The operating panel 12 is inserted and installed in recess 22 in the housing 15, such that the front of the operating panel 12 faces the outer part surrounding the housing 15. The operating panel 12 and its indication and activation means are connected to the inner circuit board 21 so that command signals could be generated on the circuit board 21 and transferred via the three-phase power cable 13 to the pump 9. The operation of the pump 9 could thus be controlled. pump 9 could be transferred back to the electronic control unit 7 and the operating conditions of pump 9 could thereby be monitored and indicated to the operator via the indicating means and controlled by activating the means of operation. The circuit board 21 is supported within the housing 15 by means of support structures and sealed around to be impermeable to water.
    [00024] Figure 5 shows an alternative way of connecting the pump 9 and the system 6, according to the invention, to a power output 8. In this case, the control unit 7 is directly connected to the power output 8, without a separate power cord between them.
    [00025] Figure 6 shows a block diagram illustrating the system 6 according to the invention. An electronic control unit 7 is connected between a power source 8 and a pump 9 with its internal electronic equipment, such as an electronic controller 26. The electronic control unit 7 includes the operating panel 12, an MCU 23, a PLC 24 and a filter 25 and is used for signal communication to the power line cable. The electronic control unit 7 also comprises a series of indication means 16a-d, such as light emitting diodes, which indicate flashing alarm warnings, high motor temperature or high current, phase failure or phase imbalance and alerts. The operation switches 17 a-c are arranged to start pump 9 and to stop it, and to initiate an energy saving mode etc.
    [00026] The MCU 23 in the control unit 7 controls all signals and information in the unit and the indicator and indication buttons and detects/receives the signals to and from the PLC 24. The PLC 24 is connected to the power lines via a first filter 25. All signals are transmitted via power cable 13 to and from pump 9, and pump 9 includes various functions and internal electronic units.
    [00027] The power cable 13 comprises, in this case, four cores 13 ad, three three-phase wires 13 ac and ground wire 13d, which are standard when using submerged pumps 9. The length of the power cable 13 could typically be about 20 meters, but of course it could be shorter and longer. Communication with the power line will work with a length of cable with a length of up to 100 meters. The cable could be extended with standard extension cables (not shown).
    [00028] The signals transferred via the power cable 13 are received and detected in the pump 9 via the electronic controller 26 including an MCU 38 and a PLC 27 connected to a second filter 28. In the pump 9 also several sensors 29 af are arranged, which detect the humidity and temperature of motor 30, as well as the temperature in different windings of motor 30, etc. A sensor 29 is also arranged to detect water in oil. A level sensor 31 is optional, connected to MCU 38 for external water level. The MCU 38 constantly or regularly measures the current in each phase of the motor 30, as well as the voltage in each phase. The MCU 38 controls a direct or soft start unit 32, arranged to start the pump motor 30 correctly upon receiving a start signal from the MCU 38. The motor 30 is connected to a pump wheel 33.
    [00029] Figure 7 shows a pump 9, according to the invention, where the inner part is partially exposed. Inside the top cover 34 of the pump 9 the electronic controller 26 is arranged, comprising the electronics necessary to operate the electric motor 30 to drive the pump 9, such as, for example, a starter and/or electronic equipment to monitor at least one the operating conditions of the pumps. The power cable 13 is connected to this electronic controller 26 and all transferred signals are received and transmitted via this power cable 13.
    [00030] Figure 8 shows the electronic controller 26 in greater detail, as well as the input power cable 13 and the cable 35 to transfer current to the motor 30.
    [00031] The reference signs in the claims should not be seen as limiting the subject covered by the claims. Its only function is to facilitate understanding. As will be understood, the invention can be modified in various respects without departing from the scope of the appended claims. Therefore, the drawings and description will be considered to be illustrative in nature and not restrictive.
    权利要求:
    Claims (7)
    [0001]
    1. Electronic control unit (7) for controlling and monitoring a pump (9), wherein the control unit (7) is adapted to be detachably connectable to the pump (9) and a power supply (8) for providing a current from the pump (9), the control unit (7) being located along the electric power supply cable (13) between a power supply (8) and the pump (9), - the control unit (7) is provided with at least one operating switch (17 ac) to control the pump (9), as well as with indicators (16 ad) to indicate at least one operating condition of the pump (9), and a unit communication (23-25) is arranged in the electronic control unit (7) to receive data from the pump (9) and to transmit control commands to the pump (9) by means of signals transmitted by at least one wire (13a-d ) for the drive current within the electrical power supply cable (13) to the pump (9), characterized by the fact that the electronic control unit nico (7) has an elongated design and has electrical plug connectors (10, 11) arranged at opposite end areas of the electronic control unit (7) to connect with the power supply cable (13).
    [0002]
    2. Electronic control unit (7), according to claim 1, characterized in that a circuit board (21) comprised in the electronic control unit (7) is arranged to superimpose the signals on the normal frequency of drive currents in the power cable (13).
    [0003]
    3. Electronic control unit (7), according to any one of claims 1 or 2, characterized in that the communication unit (23-25) is galvanically connected to one or more wires (13a-e) for the drive current in the power cable (13) located between the control unit (7) and the pump (9).
    [0004]
    4. Electronic control unit (7), according to any one of claims 1 to 3, characterized in that internal cables (19a-e) are arranged inside the electronic control unit (7), in order to allow the electrical power supply of the pumps (9) passes through the control unit (7).
    [0005]
    5. Electronic control unit (7), according to any one of claims 1 to 4, characterized in that the electronic control unit (7) is adapted to automatically detect at least one characteristic of a connected pump (9) , and is further adapted to adjust its control signals to the detected characteristics.
    [0006]
    6. System (6) for controlling a pump (9), such as a submerged pump designed primarily for pumping water, comprising a pump (9) an electrical power supply cable (13) and one of a separate electronic control unit of pump (7), as defined in any one of claims 1 to 5, characterized in that the pump (9) comprises an electronic controller (26) including a soft start unit (32) to start the pump and a microcontroller unit for monitoring at least one of the pump operating conditions (9); ee wherein the electronic controller (26) is adapted to communicate with the control unit (7) transmitting signals through the electric power supply cable (13), comprising monitoring data related to the operating condition of the pump to manage the system.
    [0007]
    7. System (6) according to claim 6, characterized in that the electronic controller (26) is adapted to keep the pump (9) operable when the control unit (7) is detached or bypassed.
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    同族专利:
    公开号 | 公开日
    EP2660474A1|2013-11-06|
    CN103382933B|2020-09-08|
    ES2875460T3|2021-11-10|
    CA2808939A1|2013-11-04|
    EP2660474B1|2021-06-09|
    US10240605B2|2019-03-26|
    BR102013011077A2|2015-06-30|
    US20130294931A1|2013-11-07|
    CA2808939C|2019-12-03|
    CN103382933A|2013-11-06|
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    法律状态:
    2015-06-30| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|
    2017-10-03| B25A| Requested transfer of rights approved|Owner name: SULZER MANAGEMENT AG (CH) |
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-26| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-05-12| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|
    2021-03-30| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|
    2021-07-27| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-09-21| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/05/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    EP12166848|2012-05-04|
    EP12166848.7|2012-05-04|
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