JP7391472B2 - Energy storage device management system - Google Patents

Description

The present invention relates to a power storage device management system that includes a plurality of power storage devices that supply power to each load and a power storage device management server.

A power storage device accommodates a plurality of secondary batteries of the same type and supplies power to a load. With this power storage device, loads that require commercial AC power are no longer subject to restrictions on where they can be used, making it possible to cope with temporary load demands in locations where it was previously difficult to install loads. becomes possible.

As a system for supplying power to a load, for example, Patent Document 1 discloses a power supply service means 200 as a power supply station that supplies power to an electric vehicle 100, and a service management center 400 that performs calculation management of fee settlement amounts and customer management. Disclosed is an electric vehicle power supply service system comprising:

Japanese Patent Application Publication No. 2002-140398

For example, when power is supplied to a load such as a vending machine by the power storage device, power is not only supplied to one or more vending machines of one vendor, but also one of each of multiple vendors. Alternatively, it is desirable to centrally manage changes regarding the power supply pair between the load and the power storage device while supplying power to a plurality of vending machines.

Furthermore, even when a failure or the like occurs in the power storage device or the load and power supply from the power storage device to the load is stopped, it is desirable to centrally manage the details of changes regarding the power supply pair between the load and the power storage device.

Furthermore, it is necessary to consider the situation where electronic devices of a type other than vending machines are included in loads that are supposed to receive power from a commercial AC power supply. For this reason, even if the load includes electronic devices other than vending machines, it is desirable to centrally manage changes to the power supply pair between the load and the power storage device while supplying power to various loads. It will be done.

Furthermore, it is desirable to centrally manage information related to loads and battery packs that constitute power storage devices. In view of this point, an object of the present invention is to provide a power storage device management system that can centrally manage information related to a load and a battery pack that constitutes a power storage device.

For this purpose, the present invention
A power supply unit configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measurement unit that measures predetermined battery information about the secondary battery, and supplies power from each secondary battery to a load;
a device-side storage unit that stores, for each battery pack, battery information measured by the measurement unit and battery pack identification information that identifies the battery pack in which the battery information is measured;
Based on the battery information stored for each battery pack in the device storage unit , calculate the individual amount of power supplied from each battery pack to the load, and calculate the cumulative amount of power supplied from each battery pack to the load from the power supply unit. a device-side calculation unit that calculates the amount of power supplied ;
a battery pack replacement detection unit that detects replacement of the battery pack that constitutes the power feeding unit;
Battery pack identification information that identifies the battery pack that supplies power to the load, device identification information that identifies its own power storage device, load identification information that identifies the load that the power supply unit supplies power to , and information that is calculated by the device side calculation unit. In addition to transmitting the individual power supply amount and cumulative power supply amount, when the battery pack replacement detection unit detects battery pack replacement, it also transmits each battery pack identification information that identifies each battery pack before and after replacement, and its own battery pack identification information. a transmitter that transmits battery pack replacement detection information including device identification information ;
When the remaining capacity of the secondary battery in one of the battery packs decreases, the battery pack is replaced with another battery pack containing a charged secondary battery between power storage devices.
multiple power storage devices;
a receiving unit that receives information transmitted from the transmitting unit of each power storage device;
The battery pack identification information, device identification information, load identification information , individual power supply amount, and cumulative power supply amount transmitted from the transmitter and received by the receiver are stored for each power storage device using the device identification information , and the load a server-side storage unit that stores, for each battery pack, the identification information and the individual amount of power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information; and,
When the battery pack replacement detection information is received by the receiving unit, the battery before replacement included in the battery pack replacement detection information is stored in the server side storage unit in accordance with the device identification information included in the battery pack replacement detection information. A power storage device management system is configured including a power storage device management server having a data update unit that updates pack identification information to replaced battery pack identification information included in battery pack replacement detection information.

According to this configuration, the power feeding section is configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measuring section, and the power feeding section of the power storage device is connected to the load forming the power feeding pair with the power storage device. Power is supplied from each secondary battery. Battery pack replacement in the power supply unit is detected by the battery pack replacement detection unit, and when the battery pack replacement detection unit detects battery pack replacement, each battery pack identification information that identifies each battery pack before and after replacement, and its own Battery pack replacement detection information including device identification information is transmitted from the transmitter of the power storage device. The transmitted battery pack replacement detection information is received by the receiving unit of the power storage device management server. The server-side storage unit of the power storage device management server stores battery pack identification information, device identification information, load identification information , and individual power supply amounts that are transmitted from the transmitter of the power storage device and received by the receiver of the power storage device management server. and the cumulative power supply amount are stored for each power storage device using device identification information. In addition, the server-side storage unit of the power storage device management server stores the load identification information and the amount of individual supplied power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information. Pack identification information is stored for each battery pack. Therefore, information related to the load and the battery pack that constitutes the power storage device is centrally managed by the power storage device management server that constitutes the power storage device management system.
Furthermore, when battery pack replacement detection information is received from the transmission unit of the power storage device to the reception unit of the power storage device management server, it is stored in the server-side storage unit in correspondence with the device identification information included in the battery pack replacement detection information. The battery pack identification information before replacement included in the battery pack replacement detection information is updated by the data update unit of the power storage device management server to the battery pack identification information after replacement included in the battery pack replacement detection information. Therefore, the battery pack replacement information for any power feeding pair consisting of a load and a power storage device is centrally managed by the power storage device management server that constitutes the power storage device management system as the content of the change regarding the power feeding pair.

In addition to the configuration of the power storage device management system described above, the present invention also provides:
The power storage device includes a load change detection unit that detects a change in load,
When a load change is detected by the load change detection unit, the transmission unit transmits load change detection information including each load identification information that identifies each load before and after the change and its own device identification information,
When the power storage device management server receives the load change detection information in the receiving unit, the power storage device management server, based on the accumulated power supply stored in the server side storage unit corresponding to the device identification information included in the load change detection information, It has a server-side calculation unit that calculates the electricity bill for the electricity supplied to the load identified by the load identification information before replacement included in the load change detection information,
When the load change detection information is received by the reception unit, the data update unit stores the pre-exchange information included in the load change detection information in the server-side storage unit in correspondence with the device identification information included in the load change detection information. The load identification information is updated to the replaced load identification information included in the load change detection information.

According to this configuration, a change in the load that constitutes the power storage device and the power supply pair is detected by the load change detection unit, and when the load change detection unit detects the change in load, each load is identified to identify each load before and after the change. Load change detection information including identification information and own device identification information is transmitted from the transmitter of the power storage device. The transmitted load change detection information is received by the receiving unit of the power storage device management server. When the load change detection information is received from the transmission unit of the power storage device to the reception unit of the power storage device management server, the data update unit of the power storage device management server updates the server side in response to the device identification information included in the load change detection information. The load identification information before replacement included in the load change detection information stored in the storage unit is updated to the load identification information after replacement included in the load change detection information. Furthermore, when the load change detection information is received by the receiving unit, the server-side calculation unit of the power storage device management server causes the cumulative amount stored in the server-side storage unit to correspond to the device identification information included in the load change detection information. Based on the amount of supplied power, the electricity bill for the power supplied to the load identified by the load identification information before replacement included in the load change detection information is calculated. Therefore, in addition to battery pack replacement information, load change information for any power feeding pair consisting of a load and a power storage device is also centrally processed by the power storage device management server that constitutes the power storage device management system as the content of changes related to the power feeding pair. managed. Furthermore, the server-side calculation unit automatically settles the electricity charges for the electricity supplied to the load before replacement, and centrally manages the electricity charges for the electricity supplied to the replaced load.

Moreover, the present invention
A power supply unit configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measurement unit that measures predetermined battery information about the secondary battery, and supplies power from each secondary battery to a load;
a device-side storage unit that stores, for each battery pack, battery information measured by the measurement unit and battery pack identification information that identifies the battery pack in which the battery information is measured;
Based on the battery information stored for each battery pack in the device storage unit , calculate the individual amount of power supplied from each battery pack to the load, and calculate the cumulative amount of power supplied from each battery pack to the load from the power supply unit. a device-side calculation unit that calculates the amount of power supplied ;
a load change detection unit that detects a change in load, and
In addition to transmitting device identification information that identifies the own power storage device, load identification information that identifies the load, individual power supply amount calculated by the device side calculation unit , and cumulative power supply amount, the load change detection unit When a change is detected, the transmitting unit transmits load change detection information including each load identification information identifying each load before and after the change and its own device identification information ,
When the remaining capacity of the secondary battery of any battery pack decreases, the battery pack is replaced with another battery pack having a charged secondary battery between power storage devices.
multiple power storage devices;
a receiving unit that receives information transmitted from the transmitting unit of each power storage device;
The device identification information, load identification information, individual power supply amount , and cumulative power supply amount transmitted from the transmitting section and received by the receiving section are stored for each power storage device using the device identification information , and the load identification information and its a server-side storage unit that stores, for each battery pack, the amount of power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information;
When the load change detection information is received by the receiving unit, the load identification information before replacement included in the load change detection information is stored in the server side storage unit in correspondence with the device identification information included in the load change detection information. , a data update unit that updates the replaced load identification information included in the load change detection information, and
When the load change detection information is received by the receiving unit, the load change detection information included in the load change detection information is calculated based on the cumulative amount of supplied power stored in the server side storage unit corresponding to the device identification information included in the load change detection information. A power storage device management system has been configured that includes a power storage device management server having a server-side calculation unit that calculates the electricity bill for electricity supplied to the load identified by the load identification information before replacement.

In this configuration as well, the power feeding section is configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measuring section, and each of the power feeding sections of the power storage device is connected to the load forming the power feeding pair with the power storage device. Power is supplied from a secondary battery. Further, according to this configuration, a change in the load that constitutes the power storage device and the power feeding pair is detected by the load change detection unit, and when the load change detection unit detects a change in the load, each load before and after the change is identified. Load change detection information including each load identification information and its own device identification information is transmitted from the transmission unit of the power storage device. The transmitted load change detection information is received by the receiving unit of the power storage device management server. The server-side storage unit of the power storage device management server stores device identification information, load identification information , individual power supply amounts, and cumulative power supply that are transmitted from the transmitter of the power storage device and received by the receiver of the power storage device management server. The amount is stored for each power storage device using device identification information. In addition, the server-side storage unit of the power storage device management server stores the load identification information and the amount of individual supplied power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information. Pack identification information is stored for each battery pack. Therefore, information related to the load and the battery pack that constitutes the power storage device is centrally managed by the power storage device management server that constitutes the power storage device management system.
Furthermore, when the load change detection information is received from the transmission unit of the power storage device to the reception unit of the power storage device management server, the data update unit of the power storage device management server updates information corresponding to the device identification information included in the load change detection information. The load identification information before replacement included in the load change detection information stored in the server-side storage unit is updated to the load identification information after replacement included in the load change detection information. Furthermore, when the load change detection information is received by the receiving unit, the server-side calculation unit of the power storage device management server causes the cumulative amount stored in the server-side storage unit to correspond to the device identification information included in the load change detection information. Based on the amount of supplied power, the electricity bill for the power supplied to the load identified by the load identification information before replacement included in the load change detection information is calculated. Therefore, load change information for any power feeding pair consisting of a load and a power storage device is centrally managed by the power storage device management server that constitutes the power storage device management system as the content of the change regarding the power feeding pair. Furthermore, the server-side calculation unit automatically settles the electricity charges for the electricity supplied to the load before replacement, and centrally manages the electricity charges for the electricity supplied to the replaced load.

Moreover, the present invention
A power supply unit configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measurement unit that measures predetermined battery information about the secondary battery, and supplies power from each secondary battery to a load;
a device-side storage unit that stores, for each battery pack, battery information measured by the measurement unit and battery pack identification information that identifies the battery pack in which the battery information is measured;
Based on the battery information stored for each battery pack in the device storage unit, calculate the individual amount of power supplied from each battery pack to the load, and calculate the cumulative amount of power supplied from each battery pack to the load from the power supply unit. a device-side calculation unit that calculates the amount of power supplied;
Battery pack identification information that identifies the battery pack that supplies power to the load, device identification information that identifies its own power storage device, load identification information that identifies the load that the power supply unit supplies power to, and is calculated by the device side calculation unit. It has a transmitter that transmits the individual power supply amount and the cumulative power supply amount,
When the remaining capacity of the secondary battery in one of the battery packs decreases, the battery pack is replaced with another battery pack containing a charged secondary battery between power storage devices.
multiple power storage devices;
A receiving unit that receives information transmitted from the transmitting unit of each power storage device, and
The battery pack identification information, device identification information, load identification information, individual power supply amount, and cumulative power supply amount transmitted from the transmitter and received by the receiver are stored for each power storage device using the device identification information, and the load a server-side storage unit that stores identification information and the individual amount of power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information for each battery pack based on the battery pack identification information;
A power storage device management server with
A power storage device management system was constructed.

According to this configuration, the server-side storage unit of the power storage device management server stores battery pack identification information, device identification information, and load identification information that are transmitted from the transmitter of the power storage device and received by the receiver of the power storage device management server. , the individual power supply amount and the cumulative power supply amount are stored for each power storage device using device identification information. In addition, the server-side storage unit of the power storage device management server stores the load identification information and the amount of individual supplied power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information. Pack identification information is stored for each battery pack. Therefore, information related to the load and the battery pack that constitutes the power storage device is centrally managed by the power storage device management server that constitutes the power storage device management system.

Moreover, the present invention
The power storage device further includes a battery pack replacement detection unit that detects replacement of a battery pack that constitutes the power supply unit, and a load change detection unit that detects a change in load,
When the battery pack replacement detection unit detects battery pack replacement, the transmission unit transmits battery pack replacement detection information that includes each battery pack identification information that identifies each battery pack before and after replacement and its own device identification information. At the same time, when a load change is detected by the load change detection unit, load change detection information including each load identification information that identifies each load before and after the change and its own device identification information is transmitted,
When the battery pack replacement detection information is received by the receiving unit, the power storage device management server stores the battery pack replacement detection information stored in the server-side storage unit in correspondence with the device identification information included in the battery pack replacement detection information. The included battery pack identification information before replacement is updated to the post-replacement battery pack identification information included in the battery pack replacement detection information, and when the load change detection information is received by the receiving unit, the information included in the load change detection information is updated. Data update for updating the load identification information before replacement included in the load change detection information stored in the server-side storage unit corresponding to the device identification information included in the change to the load identification information after replacement included in the load change detection information. When the load change detection information is received by the load change detection information and the load change detection information, the load change is performed based on the cumulative power supply amount stored in the server side storage unit corresponding to the device identification information included in the load change detection information. It further includes a server-side calculation unit that calculates the electricity bill for the electricity supplied to the load identified by the load identification information before replacement included in the detection information.
It is characterized by

According to this configuration , replacement of the battery pack in the power supply section is detected by the battery pack replacement detection section, and when the battery pack replacement detection section detects the replacement of the battery pack, each battery pack is identified before and after the replacement. Battery pack replacement detection information including pack identification information and own device identification information is transmitted from the transmitter of the power storage device. The transmitted battery pack replacement detection information is received by the receiving unit of the power storage device management server. When the battery pack replacement detection information is received from the transmission unit of the power storage device to the reception unit of the power storage device management server, the battery pack replacement detection information stored in the server-side storage unit in accordance with the device identification information included in the battery pack replacement detection information is The battery pack identification information before replacement included in the pack replacement detection information is updated by the data update unit of the power storage device management server to the battery pack identification information after replacement included in the battery pack replacement detection information. Therefore, the battery pack replacement information for any power feeding pair consisting of a load and a power storage device is centrally managed by the power storage device management server that constitutes the power storage device management system as the content of the change regarding the power feeding pair.
Further, according to this configuration, a change in the load that constitutes the power storage device and the power feeding pair is detected by the load change detection unit, and when the load change detection unit detects a change in the load, each load before and after the change is identified. Load change detection information including each load identification information and its own device identification information is transmitted from the transmission unit of the power storage device. The transmitted load change detection information is received by the receiving unit of the power storage device management server. When the load change detection information is received from the transmission unit of the power storage device to the reception unit of the power storage device management server, the data update unit of the power storage device management server updates the server side in response to the device identification information included in the load change detection information. The load identification information before replacement included in the load change detection information stored in the storage unit is updated to the load identification information after replacement included in the load change detection information.
Furthermore, when the load change detection information is received by the receiving unit, the server-side calculation unit of the power storage device management server causes the cumulative amount stored in the server-side storage unit to correspond to the device identification information included in the load change detection information. Based on the amount of supplied power, the electricity bill for the power supplied to the load identified by the load identification information before replacement included in the load change detection information is calculated. Therefore, in addition to battery pack replacement information, load change information for any power feeding pair consisting of a load and a power storage device is also centrally processed by the power storage device management server that constitutes the power storage device management system as the content of changes related to the power feeding pair. managed. Furthermore, the server-side calculation unit automatically settles the electricity charges for the electricity supplied to the load before replacement, and centrally manages the electricity charges for the electricity supplied to the replaced load.

According to the present invention, it is possible to provide a power storage device management system that can centrally manage information related to a load and a battery pack that constitutes a power storage device.

1 is a block diagram showing a schematic configuration of a power storage device management system according to an embodiment of the present invention. 2 is a block diagram showing a schematic configuration of a vending machine and a power storage device that constitute a power feeding pair in the power storage device management system shown in FIG. 1. FIG. 2 is a block diagram showing a schematic configuration of a power storage management server in the power storage device management system shown in FIG. 1. FIG. 4A is a diagram showing an example of a registered site list screen displayed on the display unit of the power storage management server shown in FIG. 3, and FIG. 3B is a diagram showing an example of a registered device list screen. 4A is a diagram showing an example of an active battery pack list screen displayed on the display unit of the power storage management server shown in FIG. 3, and FIG. 3B is a diagram showing an example of a battery pack status information screen. FIG. 4 is a diagram showing an example of a standby battery pack list screen displayed on the display unit of the power storage management server shown in FIG. 3. FIG. 2 is a flowchart illustrating the operation of a power storage device in the power storage device management system shown in FIG. 1. FIG. 2 is a flowchart illustrating the operation of a power storage device management server in the power storage device management system shown in FIG. 1. FIG. 4A is a diagram showing an example of a power supply stop operation detection information screen displayed on the display unit of the power storage management server shown in FIG. 3, and FIG. 3B is a diagram showing an example of a power supply amount information screen. (a) is a battery pack replacement detection information screen displayed on the display unit of the power storage management server shown in FIG. 3, and (b) is a list of standby battery packs where the standby battery pack list screen shown in FIG. 6 has been updated. It is a figure showing an example of a screen. (a) is an active battery pack list screen displayed on the display unit of the power storage management server shown in FIG. 3, where the active battery pack list screen shown in FIG. 5(a) has been updated, and (b) is a load change display. It is a figure showing an example of a detection information screen. (a) is a list of active battery packs with updated load identification information and power supply period information on the active battery pack list screen shown in FIG. 5(a) displayed on the display unit of the power storage management server shown in FIG. 3. Screen (b) is a diagram showing an example of the active battery pack list screen in which the load identification information, power supply period information, and battery pack identification information on the active battery pack list screen shown in FIG. 5(a) have been updated. . (a) shows the electricity rate information screen displayed on the display unit of the power storage management server shown in Figure 3, and (b) shows the power supply suspension period information added to the active battery pack list screen shown in Figure 5 (a). FIG. 3 is a diagram illustrating an example of a list screen of active battery packs. (a) shows a battery pack status information screen that is updated by adding power supply stop period information to the battery pack status information screen shown in FIG. 5(b), which is displayed on the display unit of the power storage management server shown in FIG. (b) is a diagram showing an example of a power supply amount information screen that is updated by adding power supply stop period information to the power supply amount information screen shown in FIG. 9(b). 13A is a diagram showing an example of an electricity rate information screen that is updated by adding power supply suspension period information to the electricity rate information screen shown in FIG. 13A, which is displayed on the display unit of the power storage management server shown in FIG. 3. FIG.

Next, a power storage device management system according to an embodiment of the present invention will be described.

FIG. 1 is a block diagram showing a schematic configuration of a power storage device management system (Battery Maintenance System) 1 according to this embodiment. The power storage device management system 1 includes a power supply pair of a plurality of vending machines 2 and a power storage device (Battery Apparatus) 3 operating at each of a plurality of sites A to J, and a power storage device management server (Battery Apparatus). Maintenance Server)4.

In FIG. 1, among the multiple power supply pairs of vending machine 2 and power storage device 3 operating at site A, only the power supply pair of vending machine 2-A1 and power storage device 3-A1 is shown. , among the plurality of power feeding pairs of vending machine 2 and power storage device 3 operating at site B, only the power feeding pair of vending machine 2-B1 and power storage device 3-B1 is shown. Further, among the plurality of power supply pairs of vending machine 2 and power storage device 3 operating at site C, only the power supply pair of vending machine 2-C1 and power storage device 3-C1 is shown. Further, among the plurality of power supply pairs of vending machine 2 and power storage device 3 operating at site J, only the power supply pair of vending machine 2-J1 and power storage device 3-J1 is shown. Between site C and site J, there are sites D, E, F, G, H, and I (not shown) that have similar power supply pairs.

The vending machine 2 constitutes a load of the power storage device 3 that is a power feeding pair, and is supplied with electric power by the power storage device 3 that is a power feeding pair. In this embodiment, each vending machine 2 is made by a different vendor and has various rated power consumptions. Each of these vending machines 2 may be fixedly installed at a specific location, or may be installed only for a certain period of time at a location temporarily moved due to power outage due to construction, etc.

In the power storage device management system 1 illustrated in FIG. 1, a maintenance vehicle 5 follows a predetermined patrol route and carries out battery packs 6 _{1 to 6} , which will be described later, housed in power storage devices 3 at each site A to J. 6 Charge ₁₀ .

In this embodiment, the predetermined patrol routes include each power feeding pair of vending machine 2 and power storage device 3 at site A, each power feeding pair of vending machine 2 and power storage device 3 at site B, and site C. The management vehicle 5 patrols each power supply pair of the vending machine 2 and the power storage device 3 in the order of the vending machine 2 and the power storage device 3 in the order of sites D to J, and each power supply pair of the vending machine 2 and the power storage device 3 in the order of each site D to J. The battery packs 6 ₁ to 6 ₁₀ housed in the power storage device 3 are charged.

FIG. 2 shows a schematic configuration of each power supply pair of the vending machine 2 and the power storage device 3 arranged at each site A to J in FIG. 1.

The power storage device 3 includes a power supply section 6, a control section (Control) 7, a memory section (Memory) 8, an input/output section (I/O) 9, a transmitting/receiving section (TX/RX) 10, and a DC/AC converting section (DC/AC). AC) Consists of 11. The power storage device 3 is attached to the vending machine 2 that is fixedly installed at a specific location, or is a vending machine that is installed for a certain period of time at a location that has been temporarily moved due to power outages due to construction, etc. It will be attached to 2.

The power supply section 6 is composed of ten battery modules (BM) 6a1 to 6a10 of the same type of lithium ion secondary batteries connected in parallel, and power is constantly supplied from each BM6a1 to 6a10 to the vending machine 2. do. The BMs 6a1 to 6a10 are housed in ten battery packs ₆₁ to ₆₁₀ , respectively, and each of the BMs 6a1 to 6a10 is connected to a battery management unit (BMU) 6b1 to 6b10, respectively. Each BMU6b1 to 6b10 periodically measures battery information such as voltage, current, temperature, charging rate, deterioration rate, charge/discharge rate, and charge/discharge cycle of each BM6a1 to 6a10 housed in the same battery pack ₆₁ to ₆₁₀ . and outputs it to the control section 7. Each of the BMUs 6b1 to 6b10 constitutes a measuring section that measures predetermined battery information about each of the BMs 6a1 to 6a10.

The DC/AC conversion unit 11 converts the DC power output from each of the BMs 6a1 to 6a10 of the power supply unit 6 into AC power, and outputs the AC power to the vending machine 2. The vending machine 2 operates by receiving AC power from the DC/AC converter 11.

The control unit 7 is composed of an MPU (Micro Processing Unit), etc., and according to a computer program that defines the operating procedure of the MPU stored in the ROM (Read Only Memory) of the storage unit 8, the control unit 7 is configured to read data from the RAM (Random Access Memory) of the storage unit 8. is used as a temporary storage work area to control the operation of the entire power storage device 3 and each part. Specifically, the control unit 7 performs 1) read/write control for the storage unit 8, 2) input/output control for input/output devices such as a mouse and a keyboard (not shown) via the input/output unit 9, and an LCD (not shown). 3) control of transmission and reception to the vending machine 2 and power storage device management server 4 via the transmission/reception unit 10, and 4) control of the above-mentioned power conversion to the DC/AC conversion unit 11. .

The transmitting/receiving unit 10 includes a wireless communication circuit, and the power storage device 3 and the power storage device management server 4 are connected through a wireless communication channel (Communication Channel) 12 (see FIG. 1), and wireless communication is performed. Note that the power storage device 3 and the power storage device management server 4 are connected through an Internet network, and the control unit 7 controls the transmitter/receiver 10 to perform Internet communication with the power storage device management server 4 on the cloud. You may.

In this embodiment, the RAM of the storage unit 8 stores battery information measured by each BMU 6b1 to 6b10 and battery pack identification information for identifying the battery packs ₆₁ to ₆₁₀ for which the battery information is measured. ₁ to 6 A device side storage unit is configured to store data every ₁₀ times. Furthermore, the control unit 7 calculates the amount of power supplied from the power supply unit 6 to the vending machine 2 based on the battery information stored in the RAM of the storage unit 8 for each battery pack 6 ₁ to 6 ₁₀ . Configures the device side calculation section. Furthermore, the control unit 7 includes a battery pack replacement detection unit that detects replacement of the battery packs 6 _{1 to 6 10 that constitute the power supply unit 6 based on battery information measured by each BMU 6b1 to 6b10, and a battery pack replacement detection unit that detects replacement of the battery packs 6 1} to 6 ₁₀ that constitute the power supply unit 6, It also includes a load change detection unit that detects a change in the vending machine 2 connected to the vending machine 2 .

Further, under the control of the control unit 7, the transmitting/receiving unit 10 provides battery pack identification information for identifying the battery packs 6 ₁ to 6 ₁₀ that supply power to the vending machine 2, and device identification information for identifying its own power storage device 3. , site identification information that identifies the sites A to J to which the own power storage device 3 belongs, load identification information that identifies the vending machine 2 to which the power supply unit 6 supplies power, battery information measured by the BMUs 6b1 to 6b10, and the power supply unit 6 transmits power supply period information to the vending machine 2 and the amount of power supplied calculated by the control unit 7 to the power storage device management server 4 . Further, in addition to the transmission, when the battery pack replacement detection unit detects the replacement of the battery packs 6 ₁ to 6 ₁₀ , the transmitter/receiver 10 identifies each battery pack to identify the battery packs 6 ₁ to 6 ₁₀ before and after replacement. The battery pack replacement detection information including the information and its own device identification information is transmitted to the power storage device management server 4. In addition, when the load change detection unit detects a change in the vending machines 2 connected to the power storage device 3, the transmitting/receiving unit 10 includes each load identification information that identifies each vending machine 2 before and after the change, and the own device. Load change detection information including identification information is transmitted to the power storage device management server 4.

FIG. 3 is a block diagram showing a schematic configuration of power storage device management server 4. As shown in FIG. The power storage device management server 4 is a personal computer or the like, and manages power supply pairs between the vending machines 2 and the power storage devices 3 operating at each site A to J via the wireless communication line 12 or the Internet network. .

The power storage device management server 4 includes a control section (Control) 21, a storage section (Memory) 22, an input/output section (I/O) 23, a transmitting/receiving section (TX/RX) 24, a mouse 25, and a display section 26. .

The control unit 21 includes an MPU, etc., and uses the RAM of the storage unit 22 as a temporary storage work area to control the entire power storage device management server 4 and Controls the operation of each part. Specifically, the control unit 21 performs 1) read/write control for the storage unit 22, 2) input/output control for input/output devices such as the mouse 25 and keyboard via the input/output unit 23, and a display unit such as an LCD. 26; and 3) transmitting and receiving control to the power storage device management server 4 via the transmitting/receiving unit 24. This transmitting/receiving section 24 constitutes a receiving section that receives information transmitted from the transmitting/receiving section 10 of each power storage device 3.

In the present embodiment, the RAM of the storage unit 22 stores the battery pack identification information, device identification information, load identification information, and power supply amount transmitted from the transmitting/receiving unit 10 of each power storage device 3 and received by the transmitting/receiving unit 24. A server-side storage unit is configured to store the identification information for each power storage device 3. Further, when the transmitting/receiving unit 24 receives the battery pack replacement detection information, the control unit 21 causes the battery pack replacement detection information to be stored in the RAM of the storage unit 22 in correspondence with the device identification information included in the battery pack replacement detection information. A data updating unit is configured to update the battery pack identification information before replacement included in the detection information to the battery pack identification information after replacement included in the battery pack replacement detection information.

Further, when the load change detection information is received by the transmitting/receiving unit 24, the control unit 21 calculates the power supply amount stored in the RAM of the storage unit 22 in accordance with the device identification information included in the load change detection information. , constitutes a server-side calculation unit that calculates the electricity bill for the electricity supplied to the vending machine 2 identified by the load identification information before replacement included in the load change detection information. Further, when the load change detection information is received by the transmitter/receiver 24, the control unit 21 controls the load change detection information stored in the RAM of the storage unit 22 in correspondence with the device identification information included in the load change detection information. A data updating unit is also configured to update the included load identification information before replacement to the post-exchanged load identification information included in the load change detection information.

Further, in the storage unit 22 of the power storage device management server 4, various information transmitted from the transmitting/receiving unit 10 of each power storage device 3 at each site A to J is stored and registered in advance. FIG. 4A shows a registered site list screen 26a displayed on the display unit 26 by operating the mouse 25 of the power storage device management server 4 and requesting the control unit 21 to display it via the input/output unit 23. be. In this example, information of "site-specific identification information + district name" is displayed corresponding to each of the sites A to J as registered sites. For example, from information "0001 A district" corresponding to site A, information "0010 J district" corresponding to site J is displayed. On this registered site list screen 26a, by operating the mouse 25, the pointer 27 displayed as an arrow on the screen of the display unit 26 is moved to the display location of "0001 A district" as shown in the figure, and the mouse 25 is moved. When clicked, a registered device list screen 26b shown in FIG. 4(b) is displayed.

On this registered device list screen 26b, information about the power storage devices 3 registered in the storage unit 22 of the power storage device management server 4 is displayed for each site A to J as “identification information unique to the power storage device”. For example, on the same screen 26b, unique identification information "199605010001" to "199605010010" of each of the ten power storage devices 3 arranged at the site A is displayed. When you move the pointer 27 to the "Address/Map" display location displayed to the right of each of the identification information of these registered devices and click the mouse 25, the registered device will be registered in District A, which is pointed to by the pointer 27. The address and map (not shown) of power storage device 3 are displayed. Further, on this registered device list screen 26b, for example, by operating the mouse 25 and moving the pointer 27 to "199605010001" as shown in the figure and clicking, the operating battery pack list screen 26c shown in FIG. 5(a) will be displayed. Is displayed.

This active battery pack list screen 26c shows the battery packs that supply power to the vending machines 2, which are received by the transmitter/receiver 24 of the power storage device management server 4 from the transmitter/receiver 10 of each power storage device 3 of each site A to J. 6 ₁ to 6 ₁₀ , device identification information to identify the own power storage device 3, site identification information to identify the sites A to J to which the own power storage device 3 belongs, and the power supply unit 6 The information is displayed based on load identification information that identifies the vending machine 2 to which power is supplied, and information on the power supply period from the power supply unit 6 to the vending machine 2 .

For example, the active battery pack list screen 26c includes identification information unique to the site (site ID) "0001", identification information unique to the power storage device 3 (device ID) "199605010001", and identification information unique to the vending machine 2. The information (load ID) "xxxxxxxxxx" and the period since power supply started (period) "PM17:00, May1/2019~" are displayed. In this example, identification information unique to the active battery packs 6 ₁ to 6 ₁₀ regarding the power storage device 3 with the device ID "199605010001" that supplies power to the vending machine 2 with the load ID "xxxxxxxxxx" at site A "No1. 201104010001" to "No10. 201104010010" are displayed.

On this active battery pack list screen 26c, if you operate the mouse 25 and move the pointer 27 to "201104010001" as shown in the figure and click, the battery pack status information screen 26d shown in FIG. It is displayed on the display section 26 of the management server 4.

This battery pack status information screen 26d includes identification information unique to the site (site ID) "0001", identification information unique to the power storage device 3 (device ID) "199605010001", and identification information unique to the vending machine 2 ( Load ID) "xxxxxxxxxx", period after power supply started (period) "PM17:00, May1/2019~", and identification information unique to battery pack ₆₁ (battery pack: No. 1. 201104010001) are shown. ing. Furthermore, this battery pack status information screen 26d displays battery information measured by the BMUs 6b1 to 6b10, which is received from the transmitter/receiver 10 of the power storage device 3 to the transmitter/receiver 24 of the power storage device management server 4, and control of the power storage device 3. The amount of supplied power calculated by section 7 is displayed. In this example, the battery information for battery pack 6 ₁ "No. 1. 201104010001" includes voltage (V) "xx.xx" and current (A) "yy." at the measurement date and time (AM 9:00, May 2/2019). yy”, temperature (°C) “zz.zz”, charging rate (SOC (%)) “aa.aa”, deterioration rate (SOH (%)) “bb.bb”, and amount of power supplied (W) “cc. cc" is displayed. The amount of power supplied is calculated by the control unit 7 of the power storage device 3 from the voltage and current measured by the BMUs 6b1 to 6b10.

Also, operate the mouse 25 to move the pointer 27 to the "Add/Modify" portion displayed at the top right of each screen 26a, 26b, and 26c shown in FIGS. 4(a), (b), and 5(a). When the button is clicked, each piece of information about the new site is displayed on a screen (not shown) of the display unit 26. Also, if you operate the mouse 25 and move the pointer 27 to the "standby system display" part displayed at the upper right of the screen 26c shown in FIG. 5(a) and click, the standby system battery pack list screen 26e shown in FIG. is displayed on the display section 26.

This standby battery pack list screen 26e displays identification information of battery packs 6 ₁ to 6 ₁₀ other than the active battery packs that are supplying power to the vending machine 2 at each site A to J shown in FIG. 1. By operating the mouse 25 and moving the pointer 27 to the cursor 28 as shown in the figure and dragging it, the identification information of the entire standby battery pack can be displayed. These battery packs 6 ₁ to 6 ₁₀ displayed here are, for example, removed from the power storage device 3, charged with a charger mounted on the managed vehicle 5, and stored in the managed vehicle 5.

Next, the interlocking operation of the power storage device 3 and the power storage device management server 4 in the configuration of the power storage device management system 1 will be described.

FIG. 7 is a flowchart illustrating the operation of the power storage device 3 in conjunction with the power storage device management server 4 according to the present embodiment. Here, a power supply pair of a vending machine 2 and a power storage device 3 at site A will be described as an example.

First, in step S101, the control unit 7 of the power storage device 3 at site A detects that the switch that cuts off the power supply from the power supply unit 6 to the vending machine 2 is operated to perform a power supply stop operation, and the power supply stop operation detection unit stops the power supply. Determine whether a stop operation is detected. If the power supply stop operation is not detected and the determination in step S101 is No, the control unit 7 repeats the process in step S101. Further, if the power supply stop operation is detected and the determination in step S101 is Yes, the control unit 7, in step S102, transmits the power supply stop operation detection information to the accumulated information of the power storage device management server 4 calculated by the device side calculation unit. It is transmitted to the power storage device management server 4 together with information regarding the amount of power supplied.

Next, in step S103, the control unit 7 determines whether the switch cut off in step S101 is turned on and power supply from the power supply unit 6 to the vending machine 2 is restarted. If the power supply has not been restarted and the determination in step S103 is No, the control unit 7 repeats the process in step S103. Further, if the power supply is restarted and the determination in step S103 is Yes, the control unit 7 next determines in step S104 that if any of the battery packs 6 ₁ to 6 ₁₀ in the power supply unit 6 is replaced, the battery pack replacement detection unit , and it is determined whether any of the battery packs 6 ₁ to 6 ₁₀ has been replaced. The battery pack replacement detection unit, for example, uses the identification information of the active battery packs 6 ₁ to 6 ₁₀ before resuming power supply stored in the storage unit 8 (see FIG. 5(a)) and the identification information from the storage unit 8 after resuming power supply. By comparing the read identification information of the battery packs 6 ₁ to 6 ₁₀ , it is determined whether any of the battery packs 6 ₁ to 6 ₁₀ has been replaced.

If any of the battery packs 6 ₁ to 6 ₁₀ has been replaced and the determination in step S104 is Yes, the control unit 7 next identifies each battery pack 6 ₁ to 6 ₁₀ before and after replacement in step S105. The battery pack replacement detection information including the battery pack identification information and its own device identification information is transmitted to the power storage device management server 4. Further, if none of the battery packs 6 ₁ to 6 ₁₀ has been replaced and the determination in step S104 is No, or after transmitting the battery pack replacement detection information to the power storage device management server 4 in step S105, the next In step S106, the control unit 7 determines whether or not the change in the vending machine 2 connected to the power storage device 3 is detected by the load change detection unit, and the vending machine 2 has been changed. The load change detection unit may, for example, compare the identification information of the vending machine 2 stored in the storage unit 8 before the power supply is resumed with the identification information of the vending machine 2 read from the storage unit 8 after the power supply is resumed. Then, it is determined whether the vending machine 2 connected to the power storage device 3 has been changed.

If the vending machine 2 is changed and the determination in step S106 is Yes, then in step S107, the control unit 7 updates each load identification information that identifies each vending machine 2 before and after the change and its own device identification information. The load change detection information including the load change detection information is transmitted to the power storage device management server 4. If the vending machine 2 has not been changed and the determination in step S106 is No, or after transmitting the load change detection information to the power storage device management server 4 in step S107, the control unit 7 returns to the process in step S101. .

FIG. 8 is a flowchart illustrating the operation of the power storage device management server 4 performed in conjunction with the operation of the power storage device 3 described above.

In step S201, the control unit 21 of the power storage device management server 4 determines whether the transmitting and receiving unit 24 has received the power supply stop operation detection information that the transmitting and receiving unit 10 of the power storage device 3 transmitted in step S102 in FIG. If the power supply stop operation detection information has not been received and the determination in step S201 is No, the control unit 21 repeats the process in step S201.

FIG. 9A is a diagram illustrating a power supply stop operation detection information screen 26f displayed on the display unit 26 of the power storage device management server 4. This power supply stop operation detection information screen 26f displays the transmission date and time of the power supply stop operation detection information transmitted from the transmitting/receiving unit 10 of the power storage device 3 of site A and received by the transmitting/receiving unit 24 of the power storage device management server 4 “PM2:00”. , June 20/2019", identification information (site ID) "0001" unique to the site A to which the power storage device 3 that sent the power supply stop operation detection information belongs, included in the power supply stop operation detection information, "0001", unique to the power storage device 3 Identification information (device ID) “199605010001” and identification information (load ID) “xxxxxxxxxx” unique to the vending machine 2 forming a power feeding pair with the power storage device 3 are displayed. This power supply stop operation detection information screen 26f further shows each battery pack 6 ₁ to 6 10 housed in the power storage device 3 with the device ID "199605010001" that is feeding power to the vending machine 2 with the load ID " _xxxxxxxxxx ". Each unique identification information "No1. 201104010001" to "No10. 201104010010" is displayed.

If the above power supply stop operation detection information is received by the transmitting/receiving unit 24 and the determination in step S201 is Yes, the control unit 21 of the power storage device management server 4 determines that the transmitting/receiving unit 10 of the power storage device 3 supplies power in step S102 in FIG. Information regarding the cumulative amount of power supplied by the power storage device management server 4, which was transmitted together with the stop operation detection information, is received in step S202.

FIG. 9(b) is a diagram illustrating a screen 26g displayed on the display unit 26 of the power storage device management server 4 and representing information regarding the cumulative power supply amount. On the same screen 26g, the transmission date and time of this information "PM2:00, June 20/2019", identification information (site ID) unique to site A to which the power storage device 3 that sent this information belongs "0001", and the power storage device 3 The power storage device 3 has identification information (device ID) "199605010001" unique to the power storage device 3, identification information (load ID) "xxxxxxxxxx" unique to the vending machine 2 that forms a power supply pair with the power storage device 3, and device ID "199605010001". The period when power was supplied to vending machine 2 with load ID "xxxxxxxxxx""PM17:00, May 1/2019 to PM2:00, June 20/2019" and the amount of power supplied during the period when power was supplied "zzz.z kW/H” is displayed. The control unit 7 of the power storage device 3 adds up the amount of power supplied by all the battery packs 6 ₁ to 6 ₁₀ housed in the power storage device 3 with the device ID “199605010001” illustrated in FIG. 5(b). 3 calculates the cumulative amount of power supplied to the vending machine 2.

The control unit 21 of the power storage device management server 4, which received the accumulated power supply amount in step S202 of FIG. It is determined whether the transmitting/receiving unit 24 has received the exchange detection information.

FIG. 10A is a diagram illustrating a screen 26h displayed on the display unit 26 of the power storage device management server 4 and representing this battery pack replacement detection information. On the same screen 26h, the transmission date and time of this information "PM3:00, June 20/2019", identification information (site ID) unique to site A to which the power storage device 3 that sent this information belongs "0001", and the power storage device 3 identification information (device ID) "199605010001" unique to the power storage device 3, identification information (load ID) "xxxxxxxxxx" unique to the vending machine 2 that forms a power supply pair with the power storage device 3, and the power storage device 3 with the device ID "199605010001". Unique identification information “No. 1. 201310010001” to “No. 10. 201310010010” is displayed for the newly accommodated active battery packs 6 ₁ to 6 ₁₀ .

If the above battery pack replacement detection information has been received and the determination in step S203 is Yes, the control unit 21 of the power storage device management server 4 next selects the standby battery pack list (see FIG. 6) in step S204. At the same time as updating the information, the information in the active battery pack list (see FIG. 5(a)) is updated.

Specifically, the control unit 21 uses the identification information of the battery packs 6 ₁ to 6 ₁₀ that were housed in the power storage device 3 with the device ID “199605010001” before the battery pack was replaced, which is included in the received battery pack replacement detection information. (List of active battery packs (see Figure 5(a))) is newly registered in the list of standby battery packs (See Figure 6), and identification information of new battery packs 6 ₁ to 6 ₁₀ after battery pack replacement By deleting from the standby battery pack list (see FIG. 6), the identification information of the battery packs 6 ₁ to 6 ₁₀ included in the standby battery pack list is changed to the standby battery pack list screen illustrated in FIG. 10(b). Update like 26i. At this time, it is created for each battery pack 6 ₁ to 6 ₁₀ newly registered from the active battery pack list (see Figure 5(a)) to the standby battery pack list (see Figure 10(b)) before replacement. The battery information that was previously displayed (see FIG. 5(b)) is deleted.

Furthermore, the control unit 21 adds the identification information of the new battery packs 6 ₁ to 6 ₁₀ after battery pack replacement, which is included in the received battery pack replacement detection information, to the list of active battery packs (see FIG. 5(a)). By newly registering, the identification information of the battery packs 6 ₁ to 6 ₁₀ included in the active battery pack list is updated as shown in the active battery pack list screen 26j illustrated in FIG. 11(a).

After each information in the standby battery pack list and the active battery pack list is updated as described above, or if the battery pack replacement detection information is not received and the determination in step S203 is No, the power storage device management server 4 Next, in step S205, the control unit 21 determines whether the transmitting/receiving unit 24 has received the load change detection information that the transmitting/receiving unit 10 of the power storage device 3 transmitted in step S107 in FIG.

FIG. 11(b) is a diagram illustrating a screen 26k displaying this load change detection information displayed on the display unit 26 of the power storage device management server 4. The same screen 26k displays the transmission date and time of this information "PM3:00, June 20/2019", the identification information (site ID) "0001" unique to site A to which the power storage device 3 that sent this information belongs, and the power storage device 3. Identification information (device ID) unique to ``199605010001'' and identification information (load ID) ``yyyyyyyyyy'' unique to the vending machine 2 that newly forms a power feeding pair with the power storage device 3 are displayed.

If the load change detection information has been received and the determination in step S205 is Yes, then in step S206, the control unit 21 of the power storage device management server 4 selects the Update the load identification information and power supply period information among the information.

Specifically, if the control unit 21 determines No in step S203 because the battery pack replacement detection information is not received, and if the load change detection information is received in step S205, the control unit 21 stops the operation. The system battery pack list screen 26c (see FIG. 5(a)) is updated to the active system battery pack list screen 26l shown in FIG. 12(a). On the same screen 26l, among the information shown on the screen 26c (see FIG. 5(a)), the identification information (Load ID) "xxxxxxxxxx" of the vending machine 2 has been corrected to "yyyyyyyyyy", and the device A new period "PM3:00, June 20/2019~" is displayed in which the power storage device 3 with ID "199605010001" supplied power to the vending machine 2 with load ID "yyyyyyyyyy" that constitutes a new power supply pair. .

Further, if the control unit 21 has received the battery pack replacement detection information in step S203 and has determined Yes, and has received the load change detection information in step S205, the control unit 21 displays a list of active battery packs. The screen 26c (see FIG. 5(a)) is updated to the active battery pack list screen 26m shown in FIG. 12(b). On the same screen 26m, among the information shown on the screen 26c (see FIG. 5(a)), the identification information (Load ID) of the vending machine 2 (Load ID) "xxxxxxxxxx" has been corrected to "yyyyyyyyyy", and the device A new period "PM3:00, June 20/2019 ~" in which the power storage device 3 with ID "199605010001" supplied power to the vending machine 2 with load ID "yyyyyyyyyy" forming a new power supply pair, and in step 204 The updated identification information of the new active battery packs 6 ₁ to 6 ₁₀ is displayed.

After step S206, in step S207, the control unit 21 of the power storage device management server 4 supplies the cumulative amount received from the power storage device 3 with the device ID “199605010001” to the vending machine 2 with the load ID “xxxxxxxxxx” before the change. By multiplying the amount of electricity (see FIG. 9(b)) by a predetermined rate, the electricity bill due to the power storage device 3 with the device ID "199605010001" supplying electricity to the vending machine 2 with the load ID "xxxxxxxxxx" is calculated. Calculate.

FIG. 13A is a diagram illustrating an electricity rate information screen 26n displayed on the display unit 26 of the power storage device management server 4. The same screen 26n displays the transmission date and time "PM3:02, June 20/2019" when the power storage device 3 sent the cumulative amount of supplied power that is the basis for calculating this electricity rate information, and the information on the cumulative amount of supplied power that was sent. Identification information (site ID) “0001” unique to site A to which the power storage device 3 belongs, identification information (device ID) “199605010001” unique to the power storage device 3, and a vending machine that forms a power supply pair with the power storage device 3. The period in which the power storage device 3 with unique identification information (load ID) "xxxxxxxxxx" and the device ID "199605010001" supplied power to the vending machine 2 with the load ID "xxxxxxxxxx" is "PM17:00, May 1/2019~ PM2:00, June 20/2019”, the amount of electricity supplied during the period of electricity supply “zzz.z kW/H”, and the amount of electricity billed “＼12,000” are displayed.

According to the power storage device management system 1 according to the present embodiment, as described above, the power supply unit 6 is configured by combining a plurality of battery packs 6 ₁ to 6 10 each consisting of a pair of BMs 6a1 to 6a10 and BMUs 6b1 to _6b10 . Electric power is supplied to the vending machine 2 forming a power feeding pair with the power storage device 3 from each of the BMs 6a1 to 6a10 forming the power feeding unit 6 of the power storage device 3. The replacement of the battery packs 6 ₁ to 6 ₁₀ in the power supply unit 6 is detected by the battery pack replacement detection unit in step S104 in FIG. 7, and when the battery pack replacement detection unit detects the replacement of the battery packs 6 ₁ to 6 ₁₀ , Battery pack replacement detection information (see FIG. 10(a)) including each battery pack identification information that identifies each battery pack 6 ₁ to 6 ₁₀ before and after replacement and its own device identification information is transmitted and received by the power storage device 3 in step S105. The information is transmitted from the unit 10. The transmitted battery pack replacement detection information is received by the transmitting/receiving unit 24 of the power storage device management server 4 in step S203 in FIG.

The storage unit 22 of the power storage device management server 4 stores battery pack identification information, device identification information (device ID), and load transmitted from the transmitter/receiver 10 of the power storage device 3 and received by the transmitter/receiver 24 of the power storage device management server 4. Identification information (load ID) and power supply amount are stored for each power storage device 3 by device ID, as shown in screens 26c and 26d shown in FIGS. 5(a) and 5(b). When the battery pack replacement detection information is received from the transmission/reception unit 10 of the power storage device 3 to the transmission/reception unit 24 of the power storage device management server 4, it is stored in the server-side storage unit 22 in correspondence with the device ID included in the battery pack replacement detection information. The data update unit of the power storage device management server 4 changes the battery pack identification information before replacement included in the battery pack replacement detection information to the battery pack identification information after replacement included in the battery pack replacement detection information in FIG. Updated as shown. Therefore, the replacement information of battery packs 6 ₁ to 6 ₁₀ in any power supply pair consisting of the vending machine 2 and the power storage device 3 is also included in the power storage device management that constitutes the power storage device management system 1 as the content of the change regarding the power supply pair. It is centrally managed by the server 4.

Further, according to the power storage device management system 1 according to the present embodiment, a change in the vending machine 2 forming a power supply pair with the power storage device 3 is detected by the load change detection unit in step S106 in FIG. When a change in the vending machine 2 is detected, load change detection information (see FIG. 11(b)) including each load ID that identifies each vending machine 2 before and after the change and its own device ID is transferred to the power storage device 3. is transmitted from the transmitting/receiving unit 10 in step S107. The transmitted load change detection information is received by the transmitting/receiving unit 24 of the power storage device management server 4 in step S205 in FIG. 8 . When the load change detection information is received from the transmitting/receiving unit 10 of the power storage device 3 to the transmitting/receiving unit 24 of the power storage device management server 4, in step S206, the data update unit of the power storage device management server 4 updates the information shown in FIGS. As shown in screens 26l and 26m shown in b), the load before replacement included in the load change detection information is stored in the server storage unit 22 in correspondence with the device ID "199605010001" included in the load change detection information. The ID "xxxxxxxxxx" is updated to the replaced load ID "yyyyyyyyyy" included in the load change detection information.

Further, when the load change detection information is received by the transmitting/receiving unit 24, in step S207, the server side calculation unit of the power storage device management server 4 causes the server side storage unit 22 to respond to the device ID included in the load change detection information. Based on the amount of supplied power stored in , the electricity bill for the power supplied to the vending machine 2 identified by the load ID before replacement included in the load change detection information is calculated. Therefore, in addition to the exchange information of the battery packs 6 ₁ to 6 ₁₀ , the change information of the vending machine 2 in any power feeding pair consisting of the vending machine 2 and the power storage device 3 is also included as the change in the power storage pair. It is centrally managed by the power storage device management server 4 that constitutes the device management system 1 . Furthermore, the server-side calculation unit automatically settles the electricity charges for the electricity supplied to the vending machine 2 before replacement, and centrally manages the electricity charges for the electricity supplied to the replaced vending machine 2. be done.

Further, according to the power storage device management system 1 according to the present embodiment, the cumulative amount of power supplied to the vending machine 2 calculated by the control unit 7 of the power storage device 3 is determined by the power supply stop operation in step S101 of FIG. When detected by the power supply stop operation detection unit, the power supply stop operation detection information is transmitted from the power storage device 3 to the power storage device management server 4 and stored in the server-side storage unit 22 in step S102. Therefore, the amount of supplied power calculated by the control unit 7 of the power storage device 3 is transmitted from the power storage device 3 to the power storage device management server 4 more efficiently than when it is sent periodically at a predetermined timing. The information is transmitted and efficiently stored in the server-side storage unit 22.

Note that the amount of power supplied to the vending machine 2 is transmitted to the power storage device management server 4 when a change in the vending machine 2 is detected by the load change detection unit in step S106, and load change detection information is transmitted in step S107. You may also do this when you do so. Further, in the embodiment described above, the cumulative power supply amount is calculated in step S102 of transmitting the power supply stop operation detection information. The present invention is not limited to this, and for example, when the load change is determined in step S106, the cumulative power supply amount may be calculated. In this case, the cumulative power supply amount may be included in the load change detection information transmitted in step S107.

Furthermore, in the above embodiment, the managed vehicle 5 patrols each power feeding pair at each of the sites A to J shown in FIG. 1 as a predetermined patrol route. The present invention is not limited to this, and for example, a specific prefecture can be treated as one site, and the specific prefecture can be divided into multiple sub-sites such as northern and southern districts, and furthermore, a specific district can be divided into multiple sub-sub sites. The managed vehicle 5 may not only patrol multiple sites, multiple sub-sites, or multiple sub-sub sites, but also patrol within one site, one sub-site, or one sub-sub site. It may also be a configuration.

Further, in the above embodiment, vending machines 2 with various rated power consumptions made by a plurality of vendors are applied as loads, but the present invention is not limited to this. The load may include other types of electronic equipment, such as ticket issuing machines, that are supposed to receive the same information. In this case, even if the load that receives power from the power supply section 6 is a variety of loads that receive power from a commercial AC power source, the load and the power storage device 3 may be connected while supplying power to the various loads. It is possible to centrally manage changes related to power supply pairs.

Further, in the above embodiment, the list of active battery packs shown in FIG. 12 is created individually for each power supply pair of the power storage device 3 and the load. The present invention is not limited to this, and for example, one list may be created for each site, and in any case, identification information of the power storage device 3 and identification information of the load to which the power storage device 3 supplies power. The information may be formed as information including identification information of a plurality of BMs accommodated in the power storage device 3.

Further, in the embodiment described above, the electricity rate information shown in FIG. 13 is created individually for each power feeding pair of the power storage device 3 and the load. The present invention is not limited to this, and for example, one list may be created for each site, and in any case, identification information of the power storage device 3 and identification information of the load supplied with power by the power storage device 3. , the power supply period, the cumulative amount of power, and the electricity rate.

Further, in the embodiment described above, after confirming the power supply stop operation in step _S101 shown in _FIG . ing. The present invention is not limited to this, and for example, the control unit 7 of the power storage device 3 may periodically perform the battery pack replacement detection process of step 104 shown in FIG. 7 at a predetermined timing. Similarly, in the embodiment described above, the change in load is confirmed in step S106 shown in FIG. The present invention is not limited thereto, and the control unit 7 of the power storage device 3 may periodically perform the load change confirmation process of step S106 shown in FIG. 7, for example, at a predetermined timing.

Further, in the above embodiment, after the battery packs 6 ₁ to 6 ₁₀ are replaced in step S104 shown in FIG. 7, the load change is determined in step S106. The present invention is not limited thereto, and may be implemented, for example, as a power storage device management system 1 that only determines replacement of battery packs 6 ₁ to 6 ₁₀ or only determines load change.

For example, even when only determining the replacement of the battery packs 6 ₁ to 6 ₁₀ , the replacement information for the battery packs 6 ₁ to 6 ₁₀ in any power supply pair consisting of the vending machine 2 and the power storage device 3 is also changed regarding the power supply pair. The contents are centrally managed by the power storage device management server 4 that constitutes the power storage device management system 1, and the same effects as in the above embodiment are achieved. In addition, even when only a load change determination is performed, the change information of the vending machine 2 in any power supply pair consisting of the vending machine 2 and the power storage device 3 is also displayed on the power storage device management server 4 as the content of the change regarding the power supply pair. At the same time, the electricity charges for the electricity supplied to the replaced vending machine 2 are centrally managed, and the same effects as in the above embodiment are achieved.

Furthermore, the present invention can have a configuration that takes into consideration the case where a failure or the like occurs in the power storage device 3 or the vending machine 2 and the supply of power from the power storage device 3 to the vending machine 2 is cut off.

In the configuration of this modification, the control unit 7 of the power storage device 3 constitutes a power supply stop detection unit that detects the stop of power supply from the power supply unit 3 to the vending machine 2 and the period during which the power supply is stopped. Further, the control unit 7 constituting the device-side calculation unit stops calculating the amount of power supplied from the power supply unit 6 to the vending machine 2 during the power supply stop period detected by the power supply stop detection unit. Further, when the stop of power supply is no longer detected by the power supply stop detection unit and the power supply from the power supply unit 6 to the vending machine 2 is resumed, the transmitting/receiving unit 10 of the power storage device 3 transmits information about the power supply stop period to the power storage device. Send to management server 4. The power storage device management server 4 stores, in the server-side storage unit 22, the information on the power supply suspension period received by the transmitting/receiving unit 24.

FIG. 13(b) shows a list of active battery packs displayed on the display unit 26 of the power storage device management server 4 in response to a display request operation of the mouse 25 on the control unit 21 in the power storage device management system 1 in the configuration of the above modification. It is a figure which illustrates the screen 26o. In addition to the information on the active battery pack list screen 26c shown in FIG. , May4/2019” is displayed. The control unit 7 configuring the power supply stop detection unit in the power storage device 3 with the device ID “199605010001” stores information on the timed power supply stop period in the storage unit 8, and displays it on the screen 26o in response to a display request operation. .

FIG. 14A shows a battery pack status information screen displayed on the display unit 26 of the power storage device management server 4 in response to a display request operation of the mouse 25 on the control unit 21 in the power storage device management system 1 in the configuration of the above modification. 26p is a diagram illustrating an example. In addition to the information displayed on the battery pack status information screen 26d shown in FIG. 2019" is displayed. Furthermore, "dd.dd" is displayed as the amount of power consumption that is calculated less by the amount that was not calculated during the power supply stop period.

FIG. 14B shows the cumulative power supply amount displayed on the display unit 26 of the power storage device management server 4 in response to a display request operation of the mouse 25 on the control unit 21 in the power storage device management system 1 in the configuration of the above modification. It is a figure which illustrates the screen 26q of the information regarding. In this example, in addition to the information on the screen 26g shown in FIG. 9(b), the period during which the power supply was stopped "PM1:00, May3/2019 to AM7:00, May4/2019" is displayed. Further, "qqq.q" is displayed as the cumulative amount of power supplied to the vending machine 2, which is calculated to be less depending on the power supply stop period. The control unit 7 in the power storage device 3 with the device ID “199605010001” controls all battery packs accommodated in the power storage device 3 with the device ID “199605010001” based on the amount of power supplied for each battery pack shown in FIG. 14(a). The cumulative power supply amount is calculated by adding the power supply amounts of 6 ₁ to 6 ₁₀ .

FIG. 15 illustrates an electricity rate information screen 26r displayed on the display unit 26 of the power storage device management server 4 in response to a display request operation on the control unit 21 of the mouse 25 in the power storage device management system 1 having the configuration of the above modification. It is a diagram. In this example, in addition to the information on the electricity rate information screen 26n shown in FIG. 13(a), the period during which power supply was stopped "PM1:00, May3/2019 to AM7:00, May4/2019" is displayed. There is. Furthermore, the cumulative power supply amount "qqq.q" and the electricity bill amount "\11,000" according to the power supply stop time are displayed. The control unit 21 of the power storage device management server 4 calculates the amount of electricity billed based on the accumulated amount of supplied power shown in FIG. 14(b).

According to the power storage device management system 1 having such a modified configuration, as described above, the amount of power supplied from the power supply unit 6 to the vending machine 2 during the power supply stop period detected by the power supply stop detection unit The calculation by the control unit 7 is stopped. When the power supply stoppage is no longer detected by the power supply stop detection unit and the power supply from the power supply unit 6 to the vending machine 2 is resumed, the transmitting/receiving unit 10 transmits information on the power supply stop period to the power storage device management server 4. Ru. The power storage device management server 4 stores, in the server-side storage unit 22, the information on the power supply suspension period received by the transmitting/receiving unit 24. Therefore, even if a failure occurs in the power storage device 3 or the vending machine 2 and the power supply from the power storage device 3 to the vending machine 2 is stopped, the power supply in the power supply pair of the vending machine 2 and the power storage device 3 is prevented. Outage information can be centrally managed as the content of changes regarding power feeding pairs.

Further, in the embodiment described above, the BMUs 6b1 to 6b10 constituting the measurement unit may be configured to measure the remaining battery capacity of the BMs 6a1 to 6a10 as battery information. In this case, the control unit 7 of the power storage device 3 constitutes a remaining battery capacity detection unit that detects when the remaining battery capacity of any of the BMs 6a1 to 6a10, as measured by the BMUs 6b1 to 6b10, falls below a predetermined capacity. When the remaining battery capacity detection unit detects that the remaining battery capacity of any of the BMs 6a1 to 6a10 is below a predetermined capacity, the transmitter/receiver 10 detects the battery having the BMs 6a1 to 6a10 whose remaining battery capacity has become below the predetermined capacity. A battery capacity warning signal is transmitted to the power storage management server 4 along with battery pack identification information for identifying the packs 6 ₁ to 6 ₁₀ and its own device ID. When the power storage device management server 4 receives the battery capacity warning signal in the transmitting/receiving unit 24, it transmits the received battery capacity warning signal together with the received battery pack identification information and device ID to a predetermined mobile terminal registered in advance.

According to this configuration, the remaining battery capacity detection unit of the power storage device 3 detects that the remaining battery capacity of the BMs 6a1 to 6a10 in any of the power supply pairs of the vending machine 2 and the power storage device 3 becomes equal to or less than a predetermined capacity. Ru. When the remaining battery capacity detection section of the power storage device 3 detects that the remaining battery capacity of the BMs 6a1 to 6a10 in any of the power feeding pairs becomes less than a predetermined capacity, the power storage device management server 4, a battery capacity warning signal indicating that the remaining battery capacity of the BM6a1 to 6a10 has fallen below a predetermined capacity is sent along with the battery pack identification information and device ID that identify the battery packs ₆₁ to ₆₁₀ having the BM6a1 to 6a10. Sent.

Upon receiving the battery capacity warning signal, the power storage device management server 4 transmits the received battery capacity warning signal together with the received battery pack identification information and device ID to a predetermined mobile terminal registered in advance. Therefore, the manager riding in the management vehicle 5, who has a predetermined mobile terminal, deviates from the predetermined patrol route and rushes to the installation location of the power storage device 3 identified by the received device ID, and The battery packs 6 ₁ to 6 ₁₀ identified by the received battery pack identification information in No. 3 can be quickly and easily replaced with new battery packs 6 ₁ to 6 ₁₀ in which the BMs 6a1 to 6a10 are charged. Therefore, the remaining battery capacity of the BMs 6a1 to 6a10 in the power storage devices 3 constituting each power supply pair can be centrally managed.

Further, in the embodiment described above, the BMUs 6b1 to 6b10 constituting the measurement unit may be configured to measure abnormalities in the output voltages, output currents, or temperatures of the BMs 6a1 to 6a10 as battery information. In this case, when the BMUs 6b1 to 6b10 measure an abnormality in the BMs 6a1 to 6a10, the transmitting and receiving unit of the power storage device 3 transmits battery pack identification information that identifies the battery packs 61 to 610 having the BMs _6a1 to _6a10 in which the abnormality has been detected. , and its own device ID, and transmits an abnormality detection signal. When the power storage device management server 4 receives the abnormality detection signal in the transmission/reception unit 24, it transmits the received abnormality detection signal together with the received battery pack identification information and device ID to a predetermined mobile terminal registered in advance.

According to this configuration, an abnormality in the output voltage, output current, or temperature of the BMs 6a1 to 6a10 in any power feeding pair of the vending machine 2 and the power storage device 3 is measured by the BMUs 6b1 to 6b10 of the power storage device 3. Then, when each abnormality of BM6a1 to 6a10 in any power feeding pair is measured by BMU6b1 to 6b10 of power storage device 3, each abnormality of BM6a1 to 6a10 is transmitted from transmission/reception unit 10 of power storage device 3 to power storage device management server 4. The abnormality detection signal representing the abnormality detection signal is transmitted to the power storage device management server 4 together with the battery pack identification information and device ID that identify the battery packs 6 ₁ to 6 ₁₀ having the BMs 6a1 to 6a10. Upon receiving the abnormality detection signal, the power storage device management server 4 transmits the received abnormality detection signal together with the received battery pack identification information and device ID to a predetermined mobile terminal registered in advance. Therefore, the manager riding in the management vehicle 5, who has a predetermined mobile terminal, deviates from the predetermined patrol route and rushes to the installation location of the power storage device 3 identified by the received device ID, and It is possible to confirm the abnormality of the BMs 6a1 to 6a10 in the battery packs 6 ₁ to 6 ₁₀ identified by the received battery pack identification information in step 3, and take necessary measures quickly. Therefore, it is possible to centrally manage each abnormality of the BMs 6a1 to 6a10 in the power storage devices 3 constituting each power feeding pair.

The storage battery management system 1 of the present invention is applicable not only to vending machines 2 of one or more vendors with different rated power consumptions, but also to other electronic devices, etc., which are premised on the supply of commercial AC power, as loads. can do. Furthermore, in the event of a power outage due to construction or a planned power outage, etc., the power storage device 3 can be installed and operated with the load even in places where power cannot be supplied from a commercial AC power source, and these power supply pairs can be operated. The changes can be centrally managed by the power storage device management server 4.

1: Power storage device management system 2: Vending machine 3: Power storage device 4: Power storage device management server 5: Management vehicle 6: Power supply unit 6a1 to 6a10: BM (battery module)
6b1 to 6b10: BMU (Battery Management Unit)
7: Device-side control section 8: Device-side storage section 9: Device-side input/output section 10: Device-side transmission/reception section 11: DC/AC conversion section 12: Communication line 21: Server-side control section 22: Server-side storage section 23: Server-side input/output section 24: Server-side transmission/reception section 25: Mouse 26: Display sections 26a to 26r: Screen of display section 26

Claims (5)

A power supply unit configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measurement unit that measures predetermined battery information about the secondary battery, and supplies power from each of the secondary batteries to a load;
a device-side storage unit that stores, for each battery pack, the battery information measured by the measurement unit and battery pack identification information that identifies the battery pack in which the battery information is measured;
Based on the battery information stored for each of the battery packs in the device-side storage unit , calculate the individual amount of power supplied from each of the battery packs to the load, and calculate the amount of power supplied from the power supply unit to the load. a device-side calculation unit that calculates the cumulative amount of power supplied from each of the battery packs ;
a battery pack replacement detection unit that detects replacement of the battery pack constituting the power feeding unit;
The battery pack identification information that identifies the battery pack that supplies power to the load, device identification information that identifies its own power storage device, load identification information that identifies the load that the power supply unit supplies power to , and the device When the individual power supply amount and the cumulative power supply amount calculated by the side calculation unit are transmitted, and the battery pack replacement detection unit detects replacement of the battery pack, each of the battery packs before and after replacement is transmitted. a transmission unit that transmits battery pack replacement detection information including each of the battery pack identification information for identifying the battery pack and the device identification information of the device itself ;
When the remaining capacity of the secondary battery of any of the battery packs decreases, the battery pack is replaced with another battery pack having the charged secondary battery between power storage devices.
multiple power storage devices;
a receiving unit that receives information transmitted from the transmitting unit of each of the power storage devices;
The battery pack identification information, the device identification information, the load identification information , the individual power supply amount, and the cumulative power supply amount that are transmitted from the transmitter and received by the receiver are each determined by the device identification information. The load identification information and the individual supply power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information are stored for each power storage device, and a server-side storage unit that stores pack identification information for each battery pack , and
When the battery pack replacement detection information is received by the receiving unit, the battery pack replacement detection information stored in the server-side storage unit in correspondence with the device identification information included in the battery pack replacement detection information is A power storage device management system comprising: a data updating unit that updates the battery pack identification information before replacement included in the battery pack identification information after replacement included in the battery pack replacement detection information; and a power storage device management server. The power storage device includes a load change detection unit that detects a change in the load,
When the load change detection unit detects a change in the load, the transmission unit transmits load change detection information that includes each of the load identification information that identifies each of the loads before and after the change and its own device identification information. ,
When the load change detection information is received by the receiving unit, the power storage device management server is configured to store the accumulated information stored in the server-side storage unit in correspondence with the device identification information included in the load change detection information . a server-side calculation unit that calculates, based on the amount of supplied power, an electricity bill for the power supplied to the load identified by the load identification information before replacement included in the load change detection information;
When the load change detection information is received by the reception unit, the data update unit updates the load change information that is stored in the server-side storage unit in correspondence with the device identification information included in the load change detection information. The power storage device management system according to claim 1, wherein the load identification information before replacement included in the detection information is updated to the load identification information after replacement included in the load change detection information. A power supply unit configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measurement unit that measures predetermined battery information about the secondary battery, and supplies power from each of the secondary batteries to a load;
a device-side storage unit that stores, for each battery pack, the battery information measured by the measurement unit and battery pack identification information that identifies the battery pack in which the battery information is measured;
Based on the battery information stored for each of the battery packs in the device-side storage unit , calculate the individual amount of power supplied from each of the battery packs to the load, and calculate the amount of power supplied from the power supply unit to the load. a device-side calculation unit that calculates the cumulative amount of power supplied from each of the battery packs ;
a load change detection unit that detects a change in the load, and
In addition to transmitting device identification information that identifies its own power storage device, load identification information that identifies the load , the individual power supply amount calculated by the device side calculation unit, and the cumulative power supply amount, the load a transmission unit configured to transmit, when a change in the load is detected by the change detection unit, load change detection information including each of the load identification information for identifying each of the loads before and after the change and the own device identification information ;
When the remaining capacity of the secondary battery of any of the battery packs decreases, the battery pack is replaced with another battery pack having the charged secondary battery between power storage devices.
multiple power storage devices;
a receiving unit that receives information transmitted from the transmitting unit of each of the power storage devices;
The device identification information, the load identification information, the individual power supply amount , and the cumulative power supply amount transmitted from the transmission unit and received by the reception unit are stored for each power storage device using the device identification information. The load identification information and the individual supplied power amount supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information are determined by the battery pack identification information. A server-side storage unit that stores information for each battery pack ,
When the load change detection information is received by the receiving unit, the exchange included in the load change detection information is stored in the server-side storage unit in correspondence with the device identification information included in the load change detection information. a data updating unit that updates the previous load identification information to the replaced load identification information included in the load change detection information, and
When the load change detection information is received by the receiving unit, based on the cumulative power supply amount stored in the server-side storage unit corresponding to the device identification information included in the load change detection information, A power storage device management system comprising: a power storage device management server having a server-side calculation unit that calculates an electricity bill for electricity supplied to the load identified by the load identification information before replacement included in the load change detection information; A power supply unit configured by combining a plurality of battery packs each consisting of a pair of a secondary battery and a measurement unit that measures predetermined battery information about the secondary battery, and supplies power from each of the secondary batteries to a load;
a device-side storage unit that stores, for each battery pack, the battery information measured by the measurement unit and battery pack identification information that identifies the battery pack in which the battery information is measured;
Based on the battery information stored for each of the battery packs in the device-side storage unit, calculate the individual amount of power supplied from each of the battery packs to the load, and calculate the amount of power supplied from the power supply unit to the load. a device-side calculation unit that calculates the cumulative amount of power supplied from each of the battery packs, and
The battery pack identification information that identifies the battery pack that supplies power to the load, device identification information that identifies its own power storage device, load identification information that identifies the load that the power supply unit supplies power to, and the device side a transmitting unit that transmits the individual power supply amount and the cumulative power supply amount calculated by the calculation unit;
When the remaining capacity of the secondary battery of any of the battery packs decreases, the battery pack is replaced with another battery pack having the charged secondary battery between power storage devices.
multiple power storage devices;
a receiving unit that receives information transmitted from the transmitting unit of each of the power storage devices, and
The battery pack identification information, the device identification information, the load identification information, the individual power supply amount, and the cumulative power supply amount that are transmitted from the transmitter and received by the receiver are each determined by the device identification information. The load identification information and the individual supply power supplied by the battery pack identified by the battery pack identification information to the load identified by the load identification information are stored for each power storage device, and A server-side storage unit that stores each battery pack according to pack identification information.
A power storage device management server with
A power storage device management system equipped with The power storage device further includes a battery pack replacement detection unit that detects replacement of the battery pack constituting the power supply unit, and a load change detection unit that detects a change in the load,
When the battery pack replacement detection unit detects replacement of the battery pack, the transmitter transmits a battery pack that includes each of the battery pack identification information that identifies each of the battery packs before and after replacement and the device identification information of the battery pack itself. When the load change detection section detects a change in the load while transmitting replacement detection information, load change detection includes each load identification information that identifies each of the loads before and after the change and the own device identification information. Submit your information;
When the battery pack replacement detection information is received by the receiving unit, the power storage device management server stores information in the server-side storage unit in correspondence with the device identification information included in the battery pack replacement detection information. The battery pack identification information before replacement included in the battery pack replacement detection information is updated to the battery pack identification information after replacement included in the battery pack replacement detection information, and the load change detection information is sent to the receiving unit. is received, the load identification information before exchange included in the load change detection information, which is stored in the server side storage unit in correspondence with the device identification information included in the load change detection information, is a data updating unit that updates the replaced load identification information included in the load change detection information; and, when the load change detection information is received by the reception unit, the device identification information included in the load change detection information; Based on the cumulative amount of supplied power stored in the server-side storage unit corresponding to the amount of electricity supplied to the load identified by the load identification information before replacement included in the load change detection information, It further includes a server-side calculation unit that calculates charges.
The power storage device management system according to claim 4.

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