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    • 专利摘要:
    MANAGEMENT UNIT ADAPTED TO ACT AS POWER SOURCING EQUIPMENT FOR A POE INSTALLATION AND METHOD FOR OPERATING A MANAGEMENT UNIT ADAPTED TO ACT AS POWER SOURCING EQUIPMENT IN A POE INSTALLATIONThe invention relates to a management unit (1) and method for the operation of that unit in a Power-over-Ethernet (PoE) installation. The management unit (1) comprises at least one first port (12a) to which an external device (2) can be connected, and is adapted to control the power delivered to a first port (12a) depending on predetermined switching rules .
    公开号:BR112013004372A2
    申请号:R112013004372-5
    申请日:2011-08-10
    公开日:2020-08-25
    发明作者:Matthias Wendt；Joseph Hendrik Anna Maria Jacobs；Peter Luerkens；Ulrich Boeke
    申请人:Koninklijke Philips Electronics N.V；
    IPC主号:
    专利说明:

    MANAGEMENT UNIT ADAPTED TO ACT AS POWER SOURCING EQUIPMENT FOR A POE INSTALLATION AND METHOD FOR THE OPERATION OF AN ADAPTED MANAGEMENT UNIT FOR ACT AS POWER SOURCING EQUIPMENT IN A POE INSTALLATION
    FIELD OF THE INVENTION The invention relates to a method and a management unit for the control of a Power-over- "Ethernet installation comprising at least two ports, to which. External devices can be connected. 'F 10 HISTORY OF THE INVENTION IS A Power-over-Ethernet (POE) installation is known through WO 2008/134433 A1, in which an Ethernet network comprises a computer and a plurality of light sources.The computer monitors the light sources and can turn them on and off US 7,587,289 B1 discloses a sensor device that can be fixed inside a wall and operated using the same cable along which data signals are transmitted, a data cable is fixed to the support, and power is isolated to a sensor from data signals.The sensor can be used in conjunction with a building automation system to provide environmental inputs such as a motion sensor, a light sensor and an audio sensor. be combined with LED - 25 lamps for a combined support that lights up when perceiving movement or, for example, other environmental changes.
    i. Us 2010/0026215 Al discloses a device comprising a solid-state or mechanical switch coupled to a first connector and a second connector and at least one luminaire as an LED light source, where when power is applied to the first connector , the switch is operable to direct power to the luminaire and to a part of the pins of the second connector. DE 10 2006 006 140 Al reveals a light | LED with at least one controllable LED that can be used as a table lamp, a floor lamp, or a ceiling lamp. WO 2009/100762 Al discloses a device | for light control comprising at least one interface | f of communications. The at least one communications interface is designed for at least one bipolar line and said device 10 for light control uses said bipolar line for data communications and / or for its power supply.
    SUMMARY OF THE INVENTION Based on this background, it is an objective of the present invention to provide means that allow a more versatile control of devices in a POE installation, particularly of luminaires.
    This objective is achieved by a management unit according to claim 1 and a method according to claim 2. Preferred achievements are revealed in the dependent claims.
    The management unit according to a first aspect of the present invention is addressed to a Power-over-Ethernet (POE) installation, that is, a data communications network that is also equipped with power transfer capabilities according to with, for example, the IEEE 802.3.af standard OO * (and / or greater or lesser). The unit of | management is adapted to act as Power Sourcing | Equipment for the PoE installation and comprises at least one “first” port, to which external devices can be connected (these ports are called “first ports” in order to 'distinguish them from other ports that will be introduced below
    | 1 . -. Fog ag A for certain embodiments of the invention). In addition, the management unit is adapted to control the power delivered to an external device on that first port, depending on predetermined switching rules. Switching rules can be permanently programmed in a management unit, or they can be | programmed in some written memory, for example, by i] Ethernet connection. They can, in particular, consider the fi state of at least one external device connected to a first 'ii 10 port, for example, its present energy consumption, its maximum and / or minimum energy demand, its type, etc.
    According to a second aspect, the invention relates to a method for the operation of a management unit adapted to act as Power Sourcing Equiprent in a PoE installation, said management unit comprising at least one first port to which the external devices can be connected, in which the power delivered to an external device on a first port is controlled depending on predetermined switching rules.
    The management unit and method described have the advantage of increasing the functionality of a PoE installation, allowing flexible control with respect to one or more external devices connected to the first port (s). 25 a management unit. This control is based on local rules that can, for example, take into account the current state 1 of at least one of the connected devices.
    In the following, various realizations of the invention related to both the management unit and the method described above will be described.
    The management unit can, for example, comprise at least a “second” port to which external devices can be connected, in which the management unit is adapted to control the power delivered to an external device on a first port depending on the operational state of an external device connected to this second port. Due to its particular function in this constellation, the external device on the second door will be referred to below as the “external control device”. The device for external control can thus perform, via the management unit, control over one or more external devices connected to the second port (s) of the management unit, for example, it can be used to trigger certain switching rules in which a plurality of external devices are affected and / or in which temporarily extended procedures are performed with the external devices.
    According to a first specific realization of the aforementioned realization, the device for external control on the second port of the management unit is or comprises a switch, that is, an electrical device that can (manually or automatically) be changed between two or more conductive states . Typically, the switch can have only two states, "conductive" and "non-conductive" (interrupted). In particular, the switch can be a normal switch that can, for example, be operated by a user to turn external devices on and off on a first port.
    In another embodiment of the invention, the device for external control on the second door is or comprises a sensor, for example, a light sensor, temperature sensor, humidity sensor, acoustic sensor or the like. With this sensor, automatic systems can be designed, in which the external devices on the first door are controlled depending on some physical state of the environment, for example, the lighting level of a room.
    In another optional embodiment of the invention, the management unit comprises a memory (for example, RAM) in which a track of external devices connected to the first and second ports is maintained. Said memory can, in particular, be used to store characteristic parameters of the connected external devices. Thus, versatile control of energy distribution is possible. providing, for example, each external device with an ideal individual voltage or energy. í Ã 10 External devices that are or can be connected to a first port of the management unit may, in particular, comprise lamps, for example, light emitting diodes (LEDs), converted phosphor LEDs, organic LEDs (OLEDs), LASERs, Phosphor converted LASERS, colored fluorescent lamps, filtered halogen lamps (colored), high intensity filtered discharge lamps (colored) (HID), and / or Ultra High Performance filtered (colored) lamps (UHP). With the incorporation of lamps, PoE can be used favorably for lighting purposes. with a switch being turned on the second door of the management unit, this system can be operated in much the same way as standard family lighting installations in homes.
    . According to another embodiment of the invention, the management unit can be placed in a "low energy state" in which the energy consumption in at least one door is temporarily reduced. In an achievement | of this concept, the management unit | 30 comprises a manual switch with which the low energy state can be initiated. A low energy state is particularly useful if the PoE installation comprises lamps | or other components with an energy demand
    À | 6/14 comparatively high, for allowing a safe replacement of these components, without the occurrence of arcs and without the need to completely disconnect them.
    In general, both direct and alternating voltage can be provided at the doors of the management unit.
    Most preferred and in line with standard PoE, is the provision of continuous voltage. * In accordance with another preferred embodiment of the invention, the management unit is adapted to control the external devices connected to it, so that a given maximum allowed sum of power is not exceeded.
    When the maximum allowed sum of power is approached, the management unit can either interrupt another increase in power at the ports and / or command the connected external devices to reduce energy consumption.
    Thus, both safe operation and maximum functionality are achieved.
    The aforementioned value of the maximum allowed sum of power is preferably communicated to a management unit from a hierarchically larger unit of an Internet Protocol (IP) network to which the management unit is connected.
    Thus, an intelligent distribution of energy can be made on a large Ethernet network. . 25 The management unit's switching rules can optionally comprise a list of priorities, 7 that is, a classification of consumers (external devices) in relation to their importance.
    This list can, for example, be used in the above energy management scenario, allowing the management unit, without external intervention, to reduce the power consumption of less important devices.
    The first and / or second port (s) of the management unit are optionally operated by a protocol that includes an identification procedure for newly connected external devices. Such protocols are usually part of the well-known PoE standards (for example, IEEE 802.3.af). More particularly, the first and / or second port (s) can be operated completely in accordance with this PoE standard. However, it should be noted, that this 1 does not necessarily have to be the case. Rather, it is a particular advantage of the present invention that = 10 also simple devices, such as conventional lamps, can be connected to a management unit, because the latter comprises all the necessary control intelligence.
    BRIEF DESCRIPTION OF THE DRAWINGS These and other aspects of the invention will become apparent and elucidated with reference to the embodiment (s) hereinafter described. These achievements will be described as examples with the help of the accompanying drawings, in which: Figure 1 schematically illustrates a POE installation with a management unit according to the present invention.
    DESCRIPTION OF THE PREFERRED ACHIEVEMENTS To optimize the efficiency of energy distribution in professional buildings, a combined alternating and continuous current distribution can be used. Especially where equipment that requires data connectivity & is used, in conjunction with a limited power supply, the concept known as “Power-over-Ethernet” (PoE) comes into play. PoE is an active standard (IEBEE 802.3.af) that allows the supply of electrical power to networked detachable devices with respect to their standard Ethernet cable connections. Here, the actual standardization will support power levels above 50
    | W via Cat5 connection. Although the PoE standard has been considered mainly for network detachable devices such as routers, switches, printers, etc., it can also be beneficially used for lighting installations. However, in Lighting-over-Ethernet (LOE) systems, the circuits inside the lamps must be designed for - low cost and very low energy consumption. For LoE applications, it makes sense to have some of the specific lighting problems solved in a central switching module, rather than in each luminaire. The distribution of direct current at low voltages gives rise to relatively high currents, resulting in problems such as arcs when switching equipment on or off under voltage.
    In addition, the switching module can have power supervision functions that support, for example, the operation on reduced energy at night or when the power supply is interrupted for any reason (for example, emergency supply in hospitals).
    The solution proposed here is made in specific PoE management units, not only complying with the IEE 802.3 POE standard, but also having specific lighting energy functions, for example: - a manual button on a management unit - 25 for the preparation o shutdown under load to reduce * arcs; 1 - maximum energy management; - the lamps can request the available power; - the management unit knows the maximum power of the next hierarchical supply; - if the request for maximum power overloads the supply, a lamp is switched off or dimmed; - the management unit knows the minimum light needs and the measured daylight for the individual rooms; - special scenes can be predefined, for example, for emergency; - lamp switching rules can be maintained in a control memory. - Figure 1 is a sketch of an exemplary PoE installation according to the above principles. The central device “of this installation is the light management unit or box 1 that supplies power to ports 12a, 12b (connectors). Management unit 1 gets the | power from a connection 14 that can be directly connected to the power input. Units or lamps for light generation 2 are connected by wires 13 to the “first ports” 12a of | management unit 1. User interaction can happen in a first realization through a switching means 3 connected to one of the connectors, called “second port” 12b. In addition, sensor means 4 can | support automatic actuation. These sensors 4 are also connected to one of the second ports 12b.
    In a first realization, management unit 1 acts as Power Sourcing Equipment (PSE) e. 25 all connectors 12a, 12b are PoE connectors. All - connected external devices 2, 3, 4 are built to: act as POE Powered Devices (PD) being minimally equipped with a communications controller that can talk to the Ethernet controller inside a management unit 1. The control unit management has a storage medium that tracks connected devices and gives each device a unique address. Device properties such as device type (switch, means
    10/14 eae nc sensors, lighting unit, etc.) as well as the relative energy requirements, are stored in the same table. An example of this table is given below: device in maximum dimerization fully connected | 7 the Pg switch |
    RR O O OO. Gum ls: 20 NH | Sum: 90w | Management unit 1 further contains a power supply 11 that converts the power input to the output power of each connector 12a, 12b. This is the first realization made following the PoE standard (for example, IEE 802.3). This standard requires PoE Power Sourcing Equipment (PSE) to ensure that 48 V is not applied to a non-enabled PoE device. Therefore, the PSE initially applies a low voltage (2.7 V to 10.1 V) and seeks a signature resistance of 25 K Ohms. The PSE expects the signature resistance to be after some form of self-polarity circuit and to compensate for the deviation of the direct current in the signature. The maximum input capacitance of the Powered Device (PD) must be less than 150 nF. A problem with high power on a connection. direct current are the arcs in the shutdown operation. To reduce the stress of arcs in the connectors - 20 12a, 12b of the management unit 1, a local button 15 is provided on the management unit 1 in order to reduce the power on all lamp doors 12a to a minimum for a specified period (“Low energy state”). During this period, a signal lamp 16 in a management unit 1 can indicate a rewind mode. Thus, the lamps do not need to be completely turned off during
    Ú 11/14 reconfiguration or lamp replacement, and rewinding can also occur in dark rooms with some lamps still on. Dimerization can be performed by reducing the level of energy supplied to the doors or by controlling a dimming mode on the lamp devices, if they offer a dimming feature.
    An important feature that the software in a * management unit 1 can provide is a means for a = forecasting the energy consumption of all lamps that air 10 are connected to and comparing this energy with the maximum allowable power through the power connection 14. Whenever maximum power is a limiting factor, the lamps can be controlled to reduce their energy demands by means of a dimming command.
    This can be especially useful if the system needs to go into a low power mode due to poor power input conditions or because the supply is provided by a local generator or power storage during a power failure condition. Management unit 1 can directly manage the lamps for emergency operation. This can be done optionally according to a classification list, such as reducing or switching off the less important lamps before the most important lamps.
    . 25 As management unit 1 maintains, preferably the tracking of all connected lamps 7, switches 3, and sensors 4, it is also possible to program the switching rules in a management unit, so that all switches can command changes in lights. Predefined scenes can be stored in a management unit. The same goes for sensor media 4. Another feature of management unit 1
    : 12/14 is to reduce the power on the connectors 12a, 12b individually (this is, however, a requirement for PoE switches that not only supply power to the ports after establishing the change in power requirements on the connected equipment).
    Lamps 2 with minimum intelligence can be made in such a way as to request only a certain level. of energy, but always operate whenever the port relative to the outlet 12a is energized. The management unit 1 Á 10 can, for these types of attached devices, directly control the activation and disconnection of the power when the switching rules request. This allows lighting installations, in which the lighting devices are very simple and only need to convert the PoE input supply voltage into the drive current requested by the LED. These can even be totally passive.
    Similarly, switches 3 can be very simple (that is, without puC or any complex digital logic) by opening the connection to the PoE port when disconnected and simply reconnecting and requesting a small current when connected.
    In another developed system, the lamp and switching units and sensing means may have some logic. 25 digital or microcontroller to really communicate via PoE and thus allow a more complex operation.
    'Programming memory 17 of management unit 1 can be done via a computer (not shown) connected to one of ports l12a, 12b and downloading the switching rules. Rules can also be preprogrammed and plugs 12a, 12b have fixed behaviors (for example, connectors 2 to 4 are for lamps that belong to a group switched by a switch or sensor
    13/14: connected to connector * 1, etc.). In another developed system, management unit 1 is not only connected to power via line 14, but also to an IP 20 network unit at a higher level. This allows the operation of highly interconnected systems that can be controlled or monitored centrally. Thus, the maximum power. available for a management unit 1 can also be communicated by the next higher level in the hierarchy. f 10 Thus, hierarchical control of energy consumption can be established. This behavior is a prerequisite to allow the sharing of peak energy without sacrificing the minimum lighting conditions. For example, due to unstable power input grids, utilities may need to withdraw maximum peak power. To deal with this situation, control mechanisms called “peak power shaving” may be necessary in a building that cuts the peaks by, for example, compensating for variations in energy consumption with dynamically adjustable loads. In particular, lamps can help here, due to the 10% reduction in input power being virtually invisible.
    In summary, the described invention relates to a | lighting system comprising lamps, a lighting unit | . 25 management and switching or sensor means that use standard POE connections for power supply. Optional features of this lighting system include: - The management unit keeps track of connected devices.
    - The management unit also allows inert devices to be connected that do not have their own intelligent control by means of a microprocessor.
    - The power of the door can be switched by rules
    14/14 Ú switching related to other ports.
    - The current request for a switching device on one port is interpreted as a command for the other ports, in which luminaires are connected (distinguishable due to the greater power demand at first connection).
    - The light control system maintains Oo, tracking the maximum allowed amount of power to be supplied to the luminaires and which command them to control the reduction of the request when a limit is reached. - The maximum power level is established by the power supply or the system fuses.
    - The maximum power is communicated via the IP network from a central location.
    Finally, it is indicated that in the present application the term "comprising" does not exclude other elements or steps, that "one" or "one" does not exclude a plurality, and that a single processor or other unit can perform the functions of several means. The invention resides in all new features and all combinations of features. In addition, the reference signs in the claims will not be construed as limiting their scope.
    权利要求:
    Claims (15)
    [1]
    1. MANAGEMENT UNIT (1) ADAPTED TO ACT AS POWER SOURCING EQUIPMENT FOR A POE INSTALLATION (POWER-OVER- ETHERNET), characterized by comprising at least one first port (12a) to which external devices (2) can be connected, where the management unit (1) is adapted to control the energy delivered in a first. port (12a) depending on predetermined switching rules. '10
    [2]
    2. MANAGEMENT UNIT (1), according to claim 1, characterized in that the management unit (1) comprises at least one second port (12b) to which the devices for external control (3, 4) can be connected , in which the management unit (1) is adapted to control the power delivered to an external device (2) on a first port (12a) depending on the operational state of a device for external control (3, 4) connected to a second door (12b).
    [3]
    MANAGEMENT UNIT (1), according to claim 2, characterized in that the device for external control comprises a switch (3).
    [4]
    4. MANAGEMENT UNIT (1), according to r 25 claim 2, characterized in that the device for external control comprises a sensor (4).
    [5]
    5. MANAGEMENT UNIT (1), according to claim 1, characterized in that the management unit (1) comprises a memory (17) in which a track of the connected external devices (2, 3, 4) is maintained.
    [6]
    6. MANAGEMENT UNIT (1), according to the
    2/3 i claim 5, characterized in that the memory (17) stores parameters characteristic of the connected external devices (2, 3, 4).
    [7]
    7. MANAGEMENT UNIT (1), according to claim 1, characterized in that the external devices (2,. 3, 4) that can be or are connected to the first doors (12a) comprise lamps (2).
    [8]
    8. MANAGEMENT UNIT (1), according to claim 1, characterized in that the management unit (1) can be placed in a “low energy state” in which the energy consumption in at least one door (12a ) is temporarily reduced.
    [9]
    9. MANAGEMENT UNIT (1), according to claim 8, characterized in that the management unit (1) comprises a manual switch (15) with which the low energy state can be initiated.
    [10]
    10. MANAGEMENT UNIT (1), according to claim 1, characterized in that a continuous voltage is provided on the doors (12a, 12b) of the management unit (1). . 25
    [11]
    11. MANAGEMENT UNIT (1), according to claim 1, 'characterized in that the management unit (1) is adapted to control the external devices (2) connected to its ports (12a) so that a given sum maximum allowable power is not exceeded.
    [12]
    12. MANAGEMENT UNIT (1), according to | claim 11, | characterized in that the value of the maximum allowed sum of power is communicated by a hierarchically larger unit (20) of an IP network to which the management unit is connected.
    [13]
    13. MANAGEMENT UNIT (1), according to claim 1, characterized in that the switching rules comprise a classification of external devices (2) - in relation to their importance.
    [14]
    14. MANAGEMENT UNIT (1), according to '10 claim 1, characterized in that the first and / or second port (12a, 12b) is operated by a protocol that includes a procedure for identifying the recently connected external devices (two).
    [15]
    15. METHOD FOR OPERATING A MANAGEMENT UNIT (1) ADAPTED TO ACT AS POWER SOURCING EQUIPMENT IN A POE INSTALLATION, said management unit (1) characterized by comprising at least one first port (12a) where devices can be connected external (2), where the power delivered to the first port (12a) is controlled depending on predetermined switching rules.
    .
    ear TETE A ET 12a 12b 7 - 13 / o. . shovel E 16 15 E =
    ES: 3 Y | FIG 1
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    法律状态:
    2020-09-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-09-15| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-09-29| B25D| Requested change of name of applicant approved|Owner name: KONINKLIJKE PHILIPS N.V. (NL) |
    2020-10-20| B25G| Requested change of headquarter approved|Owner name: KONINKLIJKE PHILIPS N.V. (NL) |
    2020-11-10| B25A| Requested transfer of rights approved|Owner name: PHILIPS LIGHTING HOLDING B.V. (NL) |
    2021-01-05| B11B| Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements|
    2021-11-23| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    优先权:
    申请号 | 申请日 | 专利标题
    EP10174542.0|2010-08-30|
    EP10174542|2010-08-30|
    PCT/IB2011/053572|WO2012028981A1|2010-08-30|2011-08-10|Management of power-over-ethernet installation|
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