WO2021172464A1 - Système d'alimentation électrique auxiliaire, module, procédé de commande d'alimentation électrique auxiliaire et programme - Google Patents

Système d'alimentation électrique auxiliaire, module, procédé de commande d'alimentation électrique auxiliaire et programme Download PDF

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Publication number
WO2021172464A1
WO2021172464A1 PCT/JP2021/007186 JP2021007186W WO2021172464A1 WO 2021172464 A1 WO2021172464 A1 WO 2021172464A1 JP 2021007186 W JP2021007186 W JP 2021007186W WO 2021172464 A1 WO2021172464 A1 WO 2021172464A1
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Prior art keywords
power storage
communication
power supply
storage devices
storage device
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PCT/JP2021/007186
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English (en)
Japanese (ja)
Inventor
健史 梅田
庸介 三谷
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パナソニックＩｐマネジメント株式会社
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Priority to JP2022503717A priority Critical patent/JPWO2021172464A1/ja
Publication of WO2021172464A1 publication Critical patent/WO2021172464A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems

Definitions

  • This disclosure relates to auxiliary power supply systems, modules, auxiliary power supply control methods, and programs. More specifically, the present disclosure relates to an auxiliary power supply system, a module, an auxiliary power supply control method, and a program for supplying power to a backup target partner.
  • the in-vehicle power supply device (auxiliary power supply system) described in Patent Document 1 includes an electronic control unit, a battery (power storage device), and a capacitor.
  • the battery supplies power to the electronic control unit.
  • the capacitor functions as an auxiliary power source and is connected between the battery and the electronic control unit, and supplies electric power to the electronic control unit when the battery is abnormal.
  • an object of the present disclosure is to provide an auxiliary power supply system, a module, an auxiliary power supply control method, and a program capable of manufacturing and managing a plurality of power storage devices without distinguishing them by communication addresses.
  • the auxiliary power supply system of one aspect of the present disclosure includes a plurality of power storage devices for supplying power to the backup target partner.
  • Each of the plurality of power storage devices has a communication function for communicating with the same communication partner.
  • Each of the plurality of power storage devices selects one communication address selected from one or more unused communication addresses among the plurality of communication addresses prepared for communicating with the communication partner. Set to your own communication address used by.
  • the module of one aspect of the present disclosure is a module used as the power storage device of the auxiliary power supply system.
  • the auxiliary power supply control method of one aspect of the present disclosure is an auxiliary power supply control method for controlling an auxiliary power supply system including a plurality of power storage devices for supplying power to a backup target partner. Each of the plurality of power storage devices has a communication function for communicating with the same communication partner.
  • the auxiliary power supply control method is selected from one or more unused communication addresses among a plurality of communication addresses prepared for each of the plurality of power storage devices to communicate with the communication partner. This includes setting one communication address to the own communication address used by the user.
  • the program of one aspect of the present disclosure is a program for causing one or more processors to execute the auxiliary power supply control method.
  • FIG. 1 is a block diagram of an auxiliary power supply system according to an embodiment.
  • FIG. 2 is a block diagram of an electric device included in the auxiliary power supply system of the same.
  • FIG. 3 is a block diagram of a power storage device included in the auxiliary power supply system of the same.
  • FIG. 4 is a flowchart of the auxiliary power supply system of the above.
  • auxiliary power supply system 1 (Embodiment) (Overview)
  • the auxiliary power supply system 1 according to the present embodiment will be described in detail with reference to the drawings.
  • the configuration described in this embodiment is merely an example of the present disclosure.
  • the present disclosure is not limited to the present embodiment, and various changes can be made according to the design and the like as long as it does not deviate from the technical idea relating to the present disclosure.
  • the auxiliary power supply system 1 is mounted on an automobile, for example, and when an abnormality (for example, power supply failure) occurs in the main power supply 2, the auxiliary power supply 5 is used instead of the main power supply 2. Power is supplied to the electric device 3. As a result, even if the electric power from the main power source 2 cannot be supplied, the electric device 3 can continue to operate by supplying the electric power from the auxiliary power source 5.
  • the vehicle is mounted on an automobile is illustrated, but it may be a moving body other than the automobile (for example, an airplane, a ship, or a train).
  • the auxiliary power supply 5 is composed of a plurality of power storage devices 4.
  • the specifications of the auxiliary power supply 5 for example, capacity or output voltage
  • a communication address is assigned to each of the plurality of power storage devices 4.
  • the plurality of power storage devices 4 can be individually controlled by the control from the electric device 3.
  • communication addresses are assigned to the plurality of power storage devices 4.
  • the situation where the inventory of the power storage device 4 is surplus or insufficient depending on the communication address is suppressed, and the inventory management of the power storage device 4 becomes easy.
  • the electric device 3 is the backup target partner of the plurality of power storage devices 4. Further, the case where the plurality of power storage devices 4 supply electric power to the same backup target partner (electrical device 3) will be illustrated. Hereinafter, the configuration and operation of the auxiliary power supply system 1 will be described in detail.
  • the auxiliary power supply system 1 includes a main power supply 2, an electric device 3, and a plurality of (for example, three) power storage devices 4 as auxiliary power supplies 5. Further, the auxiliary power supply system 1 includes a power supply path 6, a plurality of (for example, three) signal lines 7, and a communication line 8. At least one of the main power supply 2 and the electric device 3 does not have to be a constituent requirement of the auxiliary power supply system 1. When a plurality of power storage devices 4 are distinguished, they are described as a power storage device 4A, a power storage device 4B, a power storage device 4C, and a power storage device 4D.
  • the power supply path 6 is an electric circuit that supplies the output power of the main power source 2 to the electric device 3 and the plurality of power storage devices 4.
  • the power supply path 6 has a first power supply path 61 and a plurality of second power supply paths 62.
  • the first power supply path 61 is an electric circuit that directly supplies the output power of the main power source 2 to the electric device 3.
  • the first power supply path 61 is provided so as to directly connect the main power source 2 and the electric device 3.
  • Each of the plurality of second power supply paths 62 has a one-to-one correspondence with the plurality of power storage devices 4, and is an electric circuit that supplies the output power of the main power source 2 to the electric device 3 via the corresponding power storage device 4. ..
  • the plurality of second power supply paths 62 are provided so as to branch from the first power supply path 61 and join the first power supply path 61 via the corresponding power storage device 4.
  • the second power supply path 62 has a third power supply path 62a and a fourth power supply path 62b.
  • the third power supply path 62a is a portion connecting the power input unit of the power storage device 4 and the first power supply path 61.
  • the fourth power supply path 62b is a portion connecting the power output unit of the power storage device 4 and the first power supply path 61.
  • the third power supply path 62a is an electric circuit for supplying the output power of the main power source 2 to the power storage device 4.
  • the fourth power supply path 62b is an electric line for supplying the output power of the power storage device 4 to the electric device 3.
  • the plurality of (for example, three) signal lines 7 are electric circuits for individually transmitting start signals from the electric device 3 to the plurality of power storage devices 4.
  • the start signal is a signal for starting the power storage device 4.
  • the plurality of signal lines 7 have a one-to-one correspondence with the plurality of power storage devices 4, and connect the electric device 3 and the corresponding power storage devices 4.
  • the communication line 8 is an electric line for performing communication (for example, bus-type communication) between the electric device 3 and the plurality of power storage devices 4.
  • An electric device 3 and a plurality of power storage devices 4 are connected to the communication line 8.
  • the main power source 2 is, for example, a rechargeable and dischargeable storage battery (for example, a battery).
  • the main power source 2 supplies the output power to the electric device 3 via the first power supply path 61 and to the plurality of power storage devices 4 via the plurality of second power supply paths 62.
  • the electric device 3 is an example of a backup target partner of the auxiliary power source 5.
  • the electric device 3 is not limited to the device, but also includes a system.
  • the electric device 3 operates by the electric power supplied from the main power source 2 in the normal state of the main power source 2, and operates by the electric power supplied from the auxiliary power source 5 (that is, a plurality of power storage devices 4) in the abnormal state of the main power source 2.
  • the electrical device 3 is, for example, a braking system or a steering system.
  • the brake system is a system that controls a brake device of an automobile according to a driver's brake pedal operation and detection results of various sensors.
  • the steering system is a system that controls the steering of an automobile according to the driver's steering wheel operation and the detection results of various sensors.
  • the electric device 3 includes a power supply circuit 31, a plurality of (for example, three) output units 32, a communication unit 33, a control unit 34, and a determination unit 35.
  • the power supply circuit 31 is connected to the first power supply path 61, and supplies the electric power supplied through the first power supply path 61 to each part (communication unit 33, control unit 34, determination unit 35, etc.) of the electric device 3. do.
  • the plurality of output units 32 are portions that individually output start signals to the plurality of power storage devices 4.
  • the plurality of output units 32 have a one-to-one correspondence with the plurality of power storage devices 4, and are connected to the input units 42 described later of the corresponding power storage devices 4 via a signal line 7.
  • the communication unit 33 communicates with the communication unit 43 provided by each of the plurality of power storage devices 4 via the communication line 8.
  • the communication unit 33 is connected to the communication units 43 of the plurality of power storage devices 4 via the communication line 8.
  • the communication unit 33 is, for example, a communication unit that employs a bus-type communication method.
  • a bus-type communication method for example, an in-vehicle network (for example, LIN (Local Interconnect Network)) may be adopted.
  • LIN Local Interconnect Network
  • a unicast with the communication partner is specified by specifying the communication address of the communication partner. Communication is possible. Therefore, after each power storage device 4 sets the communication address (own communication address) used by each power storage device 4, the communication unit 33 unicasts with the communication unit 43 of each power storage device 4. Communication becomes possible.
  • Unicast communication is one-to-one communication performed by designating one communication address.
  • the communication address used by the communication unit 33 is preset in the communication unit 33. ..
  • the control unit 34 controls a plurality of output units 32 and a communication unit 33. More specifically, the control unit 34 sequentially transmits start signals from the plurality of output units 32 to the plurality of power storage devices 4 when the auxiliary power supply system 1 is started, for example. For example, the control unit 34 transmits a start signal in the order of the power storage device 4A, the power storage device 4B, the power storage device 4C, and the power storage device 4D. By transmitting the activation signal, each power storage device 4 is activated, and as described later, a communication address (own communication address) used by itself for communication using the communication line 8 is set for each power storage device 4. Let me.
  • the electric device 3 (the backup target partner) transmits the start signal to each power storage device 4.
  • transmitting the start-up signal to each power storage device 4 in order means that the transmission timing of the start-up signal to each power storage device 4 does not overlap (that is, the transmission timing is shifted by a certain time). ), A start signal is transmitted to each power storage device 4.
  • control unit 34 transmits a start signal from the plurality of output units 32 to the plurality of power storage devices 4 each time the auxiliary power supply system 1 is started.
  • control unit 34 causes each power storage device 4 to set its own communication address each time the auxiliary power supply system 1 is started.
  • the activation of the auxiliary power supply system 1 is the activation of the electric device 3 in the present embodiment.
  • the control unit 34 individually controls the output power of each power storage device 4 by a control command transmitted from the communication unit 33. For example, the control unit 34 individually increases or decreases the output voltage of each power storage device 4 by a control command transmitted from the communication unit 33.
  • the determination unit 35 determines whether or not the main power supply 2 is normal (that is, whether or not there is a defect) based on the voltage applied to the first power supply path 61. In the present embodiment, as an example, the determination unit 35 determines that the main power supply 2 is normal (that is, no defect) when the voltage applied to the first power supply path 61 is equal to or greater than the threshold value. Further, when the voltage applied to the first power supply path 61 is less than the threshold value, the determination unit 35 determines that the main power supply 2 is abnormal (that is, has a defect).
  • the control unit 34 When the determination unit 35 determines that the main power supply 2 is normal, the control unit 34 sends power from each power storage device 4 to the electric device 3 for each power storage device 4 by a control command transmitted from the communication unit 33. Stop the supply of. When the determination unit 35 determines that the main power supply 2 is abnormal, the control unit 34 sends a control command transmitted from the communication unit 33 to each power storage device 4 from each power storage device 4 to the electric device 3. Start supplying electricity.
  • the electric device 3 determines whether or not the main power supply 2 is normal, but instead of the electric device 3, each power storage device 4 is the main. It may be determined whether or not the power supply 2 is normal. In this case, when each power storage device 4 determines that the main power supply 2 is abnormal, each power storage device 4 automatically starts supplying electric power from each power storage device 4 to the electric device 3 via each fourth power supply path 62b. ..
  • the control unit 34 controls the brake device of the automobile according to the driver's brake pedal operation and the detection results of various sensors. Further, when the electric device 3 is a steering system, the control unit 34 controls the steering of the automobile according to the steering wheel operation of the driver and the detection results of various sensors.
  • the communication unit 33, the control unit 34, and the determination unit 35 are composed of, for example, a microcomputer (processor) whose main configuration is a CPU and a memory.
  • the communication unit 33, the control unit 34, and the determination unit 35 are realized by a computer having a CPU and a memory, and the computer controls the communication unit 33 by executing a program stored in the memory. It functions as a unit 34 and a determination unit 35.
  • the program is pre-recorded in the memory, it may be provided through a telecommunication line such as the Internet or recorded in a recording medium such as a memory card.
  • the power storage device 4 is a component of an auxiliary power source 5 that supplies electric power to an electric device 3 (a backup target partner) in an abnormal state of the main power source 2.
  • the power storage device 4 stores the electric power supplied from the main power source 2 via the third power supply path 62a in the normal state of the main power source 2, and receives the stored electric power from the electric device 3 via the communication line 8. According to the command, the electric device 3 is supplied to the electric device 3 via the fourth power supply path 62b.
  • the plurality of power storage devices 4 are connected in parallel.
  • the power storage device 4 includes a capacitor 41, an input unit 42, a communication unit 43, and a control unit 44.
  • the capacitor 41 is a component that stores electric power supplied from the main power source 2 via the third power supply path 62a.
  • the capacitor 41 is, for example, an electric double layer capacitor or an energy polymer capacitor.
  • the input unit 42 is a part that receives a start signal from the electric device 3, and is connected to the corresponding output unit 32 in the electric device 3 via a signal line 7.
  • the communication unit 43 is connected to the communication line 8 and performs communication (for example, bus-type communication) with another power storage device 4 and the electric device 3 via the communication line 8.
  • Each communication unit 43 of the plurality of power storage devices 4 executes a communication function of communicating with the same communication partner (electrical device 3).
  • control unit 44 When the control unit 44 receives the activation signal from the electric device 3 via the input unit 42, the control unit 44 activates the electric device 3 and the communication address (own communication address) used by itself in the communication using the communication line 8. ) Is set. More specifically, the control unit 44 monitors the usage status of the communication address of another person (that is, another power storage device 4 and the electric device 3) in the communication using the communication line 8, and in the communication using the communication line 8. Identify the communication address of another person being used (a communication address already used by another person).
  • control unit 44 can identify the own communication address already used by the other person by monitoring the usage status of the communication address of the other person in the communication using the communication line 8.
  • control unit 44 uses one communication address selected from one or more unused communication addresses that are not used by others from among the plurality of communication addresses prepared in advance. Set to the communication address.
  • the plurality of communication addresses prepared in advance are stored in advance in, for example, the power storage device 4 (for example, the control unit 44).
  • control unit 44 When the control unit 44 sets its own communication address, the control unit 44 broadcasts the set own communication address from the communication unit 43 to all the devices (that is, the electric device 3 and the other power storage device 4) connected to the communication line 8. Send to. As a result, the electric device 3 notifies all the devices connected to the communication line 8 of its own communication address.
  • the control unit 44 does not have a non-temporary storage unit (for example, a flash memory) for storing the set own communication address. Therefore, when the power storage device 4 starts and stops, the control unit 44 erases the set own communication address. Each time the control unit 44 receives a start signal from the electric device 3, the control unit 44 sets its own communication address as described above.
  • a non-temporary storage unit for example, a flash memory
  • the control unit 44 starts and stops the power supply to the electric device 3 via the fourth power supply path 62b in response to the control command received from the electric device 3 via the communication line 8. Further, the control unit 44 increases and decreases the voltage output to the electric device 3 via the fourth power supply path 62b in response to the control command received from the electric device 3 via the communication line 8.
  • the communication unit 43 and the control unit 44 are composed of, for example, a microcomputer (processor) whose main configuration is a CPU and a memory.
  • the communication unit 43 and the control unit 44 are realized by a computer having a CPU and a memory, and the computer functions as the communication unit 43 and the control unit 44 by executing a program stored in the memory by the CPU. do.
  • the program is pre-recorded in the memory, it may be provided through a telecommunication line such as the Internet or recorded in a recording medium such as a memory card.
  • a plurality of power storage devices 4 (4A to 4C) are connected to the auxiliary power supply system 1.
  • the plurality of power storage devices 4 are not set with their own communication addresses used for communication by the communication unit 43 (that is, communication using the communication line 8).
  • the IG (ignition) switch of the automobile is switched from off to on (S1).
  • the supply of electric power from the main power source 2 to the electric device 3 via the first power supply path 61 is started.
  • the start of this power supply activates the electric device 3. Then, the electric device 3 (the backup target partner) first transmits a start signal to the power storage device 4A via the signal line 7 after the start (S2). Then, when the power storage device 4A receives the start signal, it starts and sets its own communication address (S3 to S5). More specifically, the power storage device 4A monitors the usage status of the communication address of another person in the communication using the communication line 8 and identifies the communication address of the other person used in the communication using the communication line 8. .. Then, the power storage device 4A selects one communication address from one or more unused communication addresses among a plurality of (for example, three) communication addresses prepared in advance, and communicates the selected communication address for its own use. Set as an address.
  • the power storage device 4A broadcasts the set own communication address to other devices (electrical equipment 3 and other power storage devices 4B, 4C) other than the power storage device 4A via the communication line 8 (S6). ..
  • the broadcast is to transmit to all the devices connected to the communication line 8.
  • the above-mentioned other device recognizes that the notified communication address is the own communication address of the power storage device 4A (S7).
  • the electric device 3 when the electric device 3 receives the above notification from the power storage device 4A, the electric device 3 then transmits a start signal to the power storage device 4B via the signal line 7 (S8). Then, when the power storage device 4B receives the start signal, it starts up and sets its own communication address (S9 to S11), as in the case of the power storage device 4A. Then, the power storage device 4B notifies the set own communication address to other devices (that is, the electric device 3 and the other power storage devices 4A, 4C) other than the power storage device 4B via the communication line 8 (S12). Then, by receiving the above notification, the other device recognizes that the notified communication address is the own communication address of the power storage device 4B (S13).
  • the electric device 3 when the electric device 3 receives the above notification from the power storage device 4B, the electric device 3 then transmits a start signal to the power storage device 4C via the signal line 7 (S14). Then, when the power storage device 4C receives the start signal, it starts up and sets its own communication address (S15 to S17), as in the case of the power storage device 4A. Then, the power storage device 4C notifies the set own communication address to other devices (electrical device 3 and other power storage devices 4A, 4B) other than the power storage device 4C via the communication line 8 (S18). Then, by receiving the above notification, the above-mentioned other device recognizes that the notified communication address is the own communication address of the power storage device 4C (S19). Then, the process ends.
  • the electric device 3 transmits a start signal to one power storage device 4, and when it receives a notification notifying its own communication address from the power storage device 4, it transmits a start signal to the next power storage device 4. By doing so, the start-up signal is sequentially transmitted to the plurality of power storage devices 4. However, regardless of the reception of the above notification, the electric device 3 sequentially transmits the start signal to the plurality of power storage devices 4 at regular time intervals, thereby transmitting the start signal to the plurality of power storage devices 4 in order. May be good.
  • the plurality of power storage devices 4 can be identified by the communication address. Therefore, the plurality of power storage devices 4 can be individually controlled by communication using the communication line 8.
  • a situation in which individual control of a plurality of power storage devices 4 is required will be illustrated.
  • Example 1 When any of the plurality of power storage devices 4 deteriorates and becomes unusable, it is necessary to disable only the deteriorated power storage device 4.
  • the electric device 3 receives information on the output voltage and the charging state of each power storage device 4 from each power storage device 4 via the communication line 8, and each power storage device 4 deteriorates based on the reception result. Determine if it is. Then, the electric device 3 activates (that is, uses) only the non-deteriorated power storage device 4 among the plurality of power storage devices 4, and does not activate (that is, does not use) the deteriorated power storage device 4.
  • Example 2 When the temperature of the power storage device 4 is low, the charging capacity of the power storage device 4 decreases. In this case, the temperature information (for example, ambient temperature information) of each power storage device 4 is output to the electric device 3, and the electric device 3 controls each power storage device 4 individually via the communication line 8 to obtain the temperature. The output voltage of the low temperature power storage device 4 is increased to prevent a decrease in the charging capacity of the low temperature power storage device 4.
  • the power storage device 4 includes a temperature sensor (for example, a thermistor) for measuring the temperature (for example, ambient temperature) of the power storage device 4.
  • Example 3 In the case where the electric device 3 is a braking system, when the braking force is increased, if the output voltages of the plurality of power storage devices 4 vary, the plurality of power storage devices may be arranged while the variations of the output voltages of the plurality of power storage devices 4 are aligned. It is necessary to increase the output voltage of 4. In this case, the electric device 3 receives the output voltage information from each power storage device 4 via the communication line 8 and individually controls each power storage device 4 via the communication line 8 to obtain a plurality of power storage devices. The output voltages of the plurality of power storage devices 4 are increased while making the variations of the output voltages of 4 uniform.
  • the individual control of the plurality of power storage devices 4 is generally performed by the plurality of power storage devices 4 according to the traveling state of the automobile (for example, vehicle speed) and the ambient environment (for example, ambient temperature) of the power storage device 4. This is effective when increasing or decreasing the output voltage individually.
  • a plurality of power storage devices 4 for supplying electric power to the backup target partner (for example, the electric device 3) are provided.
  • Each of the plurality of power storage devices 4 has a communication function (communication unit 43) for communicating with the same communication partner (for example, an electric device 3).
  • Each of the plurality of power storage devices 4 themselves selects one communication address selected from one or more unused communication addresses that are not used among the plurality of communication addresses prepared for communicating with the communication partner. Set to your own communication address to use.
  • auxiliary power supply system 1 (Modification example) The modifications described below can be applied in combination as appropriate. In the modification described below, the points different from the embodiment will be mainly described. Further, in the modified example described below, the same parts as those in the embodiment may be designated by the same reference numerals and the description thereof may be omitted. Further, the same functions as those of the auxiliary power supply system 1 according to the embodiment include an auxiliary power supply control method, a program for causing one or more processors to execute the auxiliary power supply control method, a non-temporary recording medium on which this program is recorded, and the like. It may be embodied in. Further, the same function as that of the auxiliary power supply system 1 according to the embodiment may be realized by a module or the like used as the power storage device 4 of the auxiliary power supply system 1.
  • the above-mentioned auxiliary power supply control method is an auxiliary power supply control method for controlling an auxiliary power supply system 1 including a plurality of power storage devices 4 for supplying power to a backup target partner (for example, an electric device 3).
  • a backup target partner for example, an electric device 3
  • each of the plurality of power storage devices 4 has a communication function (communication unit 43) for communicating with the same communication partner (for example, the electric device 3).
  • one of a plurality of communication addresses prepared for each of the plurality of power storage devices 4 to communicate with a communication partner is selected from one or more unused communication addresses that are not used. Includes setting one communication address to the own communication address used by oneself.
  • the failed power storage device 4 may be replaced with a normal power storage device 4. Further, the power storage device 4 may be further added to the auxiliary power supply system 1 in addition to the plurality of power storage devices 4.
  • the electric device 3 further has an output unit 32 for the power storage device 4 to be added.
  • the replaced or added power storage device 4 receives the activation signal from the electric device 3, it sets its own communication address as described in the above embodiment.
  • each power storage device 4 does not store the set own communication address in the non-volatile storage unit, but the set own communication address may be stored in the non-volatile storage unit. In this case, each power storage device 4 sets and saves its own communication address only once when it first receives the start-up signal, and even if it receives the start-up signal after that, it still uses its own communication address. Not set.
  • the activation signal may be an enable signal for switching between enabling and disabling the function of the power storage device 4.
  • the power storage device 4 continues to operate while the start signal is input to the power storage device 4. Then, when the start signal is stopped, the power storage device 4 is stopped and the set own communication address is erased.
  • the electric device 3 is the backup target partner of the plurality of auxiliary power sources 5, but the device other than the electric device 3 may be the backup target partner of the auxiliary power source 5.
  • the start signal is transmitted from the backup target partner (electrical device 3), it may be transmitted from a device other than the backup target partner.
  • the plurality of power storage devices 4 supply electric power to the same backup target partner, they may supply electric power to different partners.
  • the auxiliary power supply system (1) of the first aspect includes a plurality of power storage devices (4) for supplying electric power to a backup target partner (for example, an electric device 3).
  • a backup target partner for example, an electric device 3
  • Each of the plurality of power storage devices (4) has a communication function (communication unit 43) for communicating with the same communication partner (for example, the electric device 3).
  • Each of the plurality of power storage devices (4) selects one communication address selected from one or more unused communication addresses among the plurality of communication addresses prepared for communicating with the communication partner. Set to your own communication address to use.
  • auxiliary power supply system (1) of the second aspect when the power storage device (4) receives the start signal for activating the power storage device (4), one or more unused communication addresses Set your own communication address from the list.
  • the start signal is sequentially transmitted to the plurality of power storage devices (4).
  • the timing of setting the own communication address can be different among the plurality of power storage devices (4).
  • different communication addresses can be assigned to the plurality of power storage devices (4).
  • the activation signal is transmitted from the backup target partner (for example, the electric device 3).
  • the plurality of power storage devices (4) power the same backup target partner (for example, the electric device 3). Supply.
  • the power storage device (4) sets its own communication address each time it receives an activation signal. ..
  • each power storage device (4) since each power storage device (4) sets its own communication address each time it receives a start signal, it is not necessary to store its own communication address in the non-volatile storage unit.
  • a power storage device (4) can be added in addition to the plurality of power storage devices (4).
  • a power storage device (4) after connecting a plurality of power storage devices (4) to the auxiliary power supply system (1), a power storage device (4) can be further added.
  • the module of the eighth aspect is a module used as a power storage device (4) of the auxiliary power supply system (1) of any one of the first to seventh aspects.
  • the auxiliary power supply control method of the ninth aspect is an auxiliary power supply control that controls an auxiliary power supply system (1) including a plurality of power storage devices (4) for supplying power to a backup target partner (for example, an electric device 3).
  • a backup target partner for example, an electric device 3
  • the auxiliary power supply control method selects from one or more unused communication addresses among a plurality of communication addresses prepared for each of the plurality of power storage devices (4) to communicate with a communication partner. This includes setting one communication address as a communication address for oneself to be used by oneself.
  • the program of the tenth aspect is a program for causing one or more processors to execute the auxiliary power supply control method of the ninth aspect.
  • Auxiliary power supply system 3 Electrical equipment (backup target partner, communication partner) 4 Power storage device 43 Communication unit (communication function)

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un système d'alimentation électrique auxiliaire (1) qui est pourvu d'une pluralité de dispositifs de stockage d'énergie (4) pour fournir de l'énergie à un appareil électrique (3). La pluralité de dispositifs de stockage d'énergie (4) présentent chacun une fonction de communication pour communiquer avec l'appareil électrique (3). La pluralité de dispositifs de stockage d'énergie (4) définissent chacun, en tant qu'adresse de communication propre destinée à être utilisée par le dispositif de stockage d'énergie (4), une adresse de communication sélectionnée parmi une ou plusieurs adresses de communication inutilisées qui ne sont pas utilisées parmi une pluralité d'adresses de communication préparées pour communiquer avec un partenaire de communication.
PCT/JP2021/007186 2020-02-27 2021-02-25 Système d'alimentation électrique auxiliaire, module, procédé de commande d'alimentation électrique auxiliaire et programme WO2021172464A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11427173B2 (en) * 2019-03-07 2022-08-30 Toyota Jidosha Kabushiki Kaisha Braking force control apparatus for a vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007241827A (ja) * 2006-03-10 2007-09-20 Densei Lambda Kk 無停電電源装置、無停電電源システムおよびシャットダウン処理プログラム
JP2018164320A (ja) * 2017-03-24 2018-10-18 本田技研工業株式会社 充電制御装置及び制御用プログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007241827A (ja) * 2006-03-10 2007-09-20 Densei Lambda Kk 無停電電源装置、無停電電源システムおよびシャットダウン処理プログラム
JP2018164320A (ja) * 2017-03-24 2018-10-18 本田技研工業株式会社 充電制御装置及び制御用プログラム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11427173B2 (en) * 2019-03-07 2022-08-30 Toyota Jidosha Kabushiki Kaisha Braking force control apparatus for a vehicle

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