CN108701316B - Server apparatus and control method thereof - Google Patents

Server apparatus and control method thereof Download PDF

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Publication number
CN108701316B
CN108701316B CN201680047590.0A CN201680047590A CN108701316B CN 108701316 B CN108701316 B CN 108701316B CN 201680047590 A CN201680047590 A CN 201680047590A CN 108701316 B CN108701316 B CN 108701316B
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China
Prior art keywords
battery pack
recommended
condition
controller
impact
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CN201680047590.0A
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Chinese (zh)
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CN108701316A (en
Inventor
远矢正一
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • G06Q30/06Buying, selling or leasing transactions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10Services
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The server device includes a communicator that communicates with a charging device or an information terminal of the battery pack, and a controller that adjusts, when a utilization condition of the battery pack acquired by the communicator from the charging device or the information terminal satisfies a recommended utilization condition recommended for improving safety of the battery pack, at least one of making a use fee of the battery pack cheaper than when the utilization condition does not satisfy the recommended utilization condition and making a user of the battery pack able to use the battery pack as an integral increase of the use fee.

Description

Server apparatus and control method thereof
Technical Field
The present disclosure relates to a server apparatus that communicates with an information terminal.
Background
Conventionally, a system and a device for lending a battery pack (pack) have been proposed. The battery rental system server described in patent document 1 and the usage setting device described in patent document 2 are examples thereof.
Prior art literature
Patent document 1: japanese patent application laid-open No. 2011-118638
Patent document 2: japanese patent application laid-open No. 2013-232129
Disclosure of Invention
However, the battery pack is not always properly utilized, and there is a possibility of being improperly utilized.
In view of the above, exemplary embodiments provide a server apparatus and a control method thereof that can assist (support) the proper use of a battery pack.
A server device according to an aspect of the present disclosure includes: a communicator that communicates with a charging device of a battery pack or an information terminal; and a controller that adjusts at least one of a cost of the battery pack and an increase in a point (point) of use of the battery pack, the point being made cheaper than when the use condition of the battery pack does not satisfy the recommended use condition, when the use condition of the battery pack acquired from the charging device or the information terminal via the communicator satisfies the recommended use condition recommended for improving the safety of the battery pack.
The general and specific aspects may be implemented by a system, an apparatus, a method, an integrated circuit, a computer program, a non-transitory recording medium such as a computer-readable CD-ROM, or any combination of the system, the apparatus, the method, the integrated circuit, the computer program, and the recording medium.
According to the server device according to one aspect of the present disclosure, the appropriate use of the battery pack is assisted.
Drawings
Fig. 1 is a schematic diagram of a battery management system according to an embodiment.
Fig. 2 is a block diagram showing the structure of the battery management system according to the embodiment.
Fig. 3 is a timing chart of the operation of the battery management system 100.
Fig. 4 is a table illustrating recommended use conditions of the battery pack.
Fig. 5 is a diagram for explaining the determination of the number of times of charge in the low-temperature environment based on the battery pack 200.
Fig. 6 is a diagram for explaining a determination based on an impact force applied to battery pack 200.
Fig. 7 is a diagram showing an adjustment process performed according to the result of determination of recommended use conditions.
Fig. 8 is a diagram showing an example of a notification image displayed on a display of an information terminal based on notification information when the determination result is in compliance.
Fig. 9 is a diagram showing an example of a notification image displayed on a display of an information terminal based on notification information when the determination result is a violation.
Detailed Description
(insight underlying the present disclosure)
Regarding the use of the battery pack, the present inventors found problems through studies. Hereinafter, description will be made specifically.
In recent years, electric devices using a battery pack are becoming popular. An example of such a bicycle is an electric assist bicycle. For example, a user of an electric device purchases a battery pack used in the electric device, and uses the purchased battery pack to operate the electric device. Recently, a lending system for a battery pack that makes it possible to: the user of the electric device uses the battery pack used in the electric device to operate the electric device.
For example, in such a lending system, a user who is a borrower of the battery pack can use the battery pack to be lent within a range of a predetermined usage amount or a predetermined period of use. On the other hand, the use of the battery pack beyond the predetermined use amount or the range during the predetermined use period is prohibited. Then, for example, the user returns the battery pack according to the predetermined usage amount or the range of the predetermined usage period. In order to operate the electrical device, the user again borrows the returned battery pack or another battery pack.
Specifically, the procedure for re-borrowing the battery pack is performed at the service center that lends the battery pack. Therefore, basically, an operation of the user going to the service center according to the predetermined usage amount or the range of the predetermined usage period occurs. In order to omit this operation, a procedure for enabling the user to continue to use the lent battery pack may be performed via the communication network. Thus, the operation to the service center is omitted.
However, there is a possibility that the lent battery pack is improperly utilized. Further, since a procedure for enabling the continued use of the lent battery pack is performed via the communication network, there is a possibility that the lent battery pack is inappropriately continued to be used.
Accordingly, a server device according to an aspect of the present disclosure includes a communicator that communicates with a charging device or an information terminal of a battery pack, and a controller that adjusts at least one of i) making a use fee of the battery pack cheaper than when the use condition does not satisfy the recommended use condition, and ii) making a user of the battery pack able to use the battery pack as an integral increase of the use fee when the use condition of the battery pack satisfies the recommended use condition recommended for improving the safety of the battery pack.
Therefore, the user who has satisfied the recommended use condition can be awarded with a prize, and the user can be prompted to use the battery pack while satisfying the recommended use condition. This allows the server device to assist the user in properly using the battery pack.
The recommended use condition may be a condition for reducing occurrence of an internal short circuit of the battery pack.
Therefore, the use of the battery pack by the user can be assisted, so that the occurrence of an internal short circuit of the battery pack can be reduced.
The recommended use condition may be a condition for reducing occurrence of a short circuit between the cells of the battery pack.
Therefore, the use of the battery pack by the user can be assisted, so that the occurrence of short-circuiting between the cells of the battery pack can be reduced.
The recommended use conditions may be: the battery pack is not charged when the temperature of the battery pack is equal to or less than a predetermined temperature recommended for improving the safety of the battery pack.
Therefore, the proper use of the battery pack, which is not charged below the predetermined temperature, can be assisted.
Further, when the communicator receives information indicating a charging temperature of the battery pack during charging, which is detected by a temperature sensor included in the battery pack, from the charging device or the information terminal, the controller may determine whether the charging temperature is equal to or lower than the predetermined temperature, and when the charging temperature is equal to or lower than the predetermined temperature, the controller may determine that the usage condition does not satisfy the recommended usage condition.
This makes it possible to more accurately determine whether or not the battery pack is being charged at a predetermined temperature or less, and thus to further promote the proper use of the battery pack.
The recommended use conditions may be: the impact amount detected by the impact sensor provided in the battery pack is smaller than the recommended upper limit value for improving the safety of the battery pack.
Therefore, the proper use of the battery pack can be assisted without applying an impact amount exceeding the upper limit value to the battery pack.
Further, when the communicator receives information indicating the amount of impact detected by the impact sensor from the charging device or the information terminal, the controller may determine whether or not the amount of impact is equal to or greater than a 1 st predetermined value, and when the amount of impact is equal to or greater than the 1 st predetermined value, it may be determined that the use condition does not satisfy the recommended use condition, the 1 st predetermined value being an upper limit value recommended for improving the safety of the battery pack.
Accordingly, it is possible to more accurately determine whether or not the amount of impact applied to the battery pack is equal to or greater than the upper limit value, and therefore, it is possible to further promote the proper use of the battery pack.
The recommended use conditions may be: the number of times of the impact detected by the impact sensor included in the battery pack is smaller than an upper limit value recommended for improving the safety of the battery pack.
Therefore, the battery pack can be properly utilized without applying an impact exceeding the upper limit value to the battery pack.
Further, when the communicator receives information indicating the amount of impact and the number of times of impact detected by the impact sensor from the charging device or the information terminal, the controller may determine whether the amount of impact is equal to or greater than a 2 nd predetermined value smaller than a 1 st predetermined value, the 1 st predetermined value being an upper limit value recommended for improving safety of the battery pack, and determine whether the number of times of impact equal to or greater than the 2 nd predetermined value is equal to or greater than a 1 st predetermined number of times, the 1 st predetermined number of times being an upper limit value recommended for improving safety of the battery pack, and determine that the use condition does not satisfy the recommended use condition when the number of times of impact is equal to or greater than the 1 st predetermined number of times.
In this way, even if the impact received by the battery pack is not a large impact of which the impact amount is equal to or greater than the 1 st predetermined value which threatens the safety of the battery pack, but is a medium impact of which the impact amount is equal to or greater than the 2 nd predetermined value, the battery pack can be further promoted to be properly utilized in such a manner that the medium impact exceeding the upper limit value is not applied to the battery pack.
Further, the controller may reduce the usage fee when the usage status satisfies the recommended usage condition.
Therefore, it is possible to easily give rewards to users of the battery pack whose use condition satisfies the recommended use condition.
Further, the controller may increase the usage fee when the usage status does not satisfy the recommended usage condition.
Therefore, a penalty can be easily given to the user of the battery pack whose use condition does not satisfy the recommended use condition.
The controller may give the point when the utilization condition satisfies the recommended utilization condition.
Therefore, it is possible to easily give rewards to users of the battery pack whose use condition satisfies the recommended use condition.
Further, the controller may decrease the integral when the utilization condition does not satisfy the recommended utilization condition.
Therefore, a penalty can be easily given to the user of the battery pack whose use condition does not satisfy the recommended use condition.
The general and specific aspects may be implemented by a system, an apparatus, a method, an integrated circuit, a computer program, a non-transitory recording medium such as a computer-readable CD-ROM, or any combination of the system, the apparatus, the method, the integrated circuit, the computer program, and the recording medium.
Hereinafter, embodiments will be specifically described with reference to the drawings. The embodiments described below are all general or specific examples. The numerical values, shapes, materials, components, arrangement positions and connection modes of the components, steps, order of steps, and the like shown in the following embodiments are examples, and are not intended to limit the present disclosure. Among the constituent elements in the following embodiments, constituent elements not described in the independent claims showing the uppermost concept will be described as arbitrary constituent elements.
In the following description, charge and discharge means at least one of charge and discharge. The use of the battery pack may be charging or discharging of the battery pack. The use of the battery pack may be the use of the battery pack. Further, whether the battery pack can be used may correspond to whether the battery pack is permitted to be used. For example, the availability may correspond to the permission of the use, and the non-availability may correspond to the prohibition of the use.
(embodiment)
[ integral Structure ]
Fig. 1 is a schematic diagram of a battery management system according to an embodiment. Fig. 2 is a block diagram showing the structure of the battery management system according to the embodiment. Specifically, fig. 1 and 2 show a battery pack 200, a charging device 300, a router 400, a communication network 500, a server device 600, and an information terminal 700. For example, the battery management system 100 includes the battery pack 200, the charging device 300, and the server device 600 among these components.
The battery management system 100 is a system for managing the battery pack 200. The battery management system 100 is used, for example, as a lending system for the battery pack 200 and the charging device 300. In the following embodiments, the battery pack 200 and the charging device 300 are explained to be lent to the user.
[ Battery pack ]
First, the battery pack 200 will be described. The battery pack 200 is a device to be charged and discharged, and is a device for accumulating electric energy. For example, the battery pack 200 is lent to the user by a lender and is detachably connected to an electric device such as an electric assist bicycle. Further, the electric device to which the battery pack 200 is connected operates using electric power obtained by discharging the battery pack 200. The battery pack 200 is detachably connected to the charging device 300.
The battery pack 200 includes a battery 201, a detector 202, a controller 203, a memory 204, a communicator 205, a power terminal 206, a communication terminal 207, and a power terminal 208.
The storage battery 201 is a component for accumulating electric energy, and is also called a secondary battery or a rechargeable battery. The battery 201 may be constituted by 1 single cell (unit cell, module cell, or battery block), or may be constituted by a plurality of single cells.
The detector 202 is a component for detecting the state of the battery 201. For example, the detector 202 detects the voltage, temperature, and the like of the battery 201. The detector 202 may detect the internal resistance of the battery 201. The detector 202 detects the magnitude of the impact force applied to the battery pack 200, the number of times the impact force is applied, and the like. Specifically, the detector 202 is constituted by, for example, a voltmeter, a thermometer, an impact sensor, or the like.
The controller 203 is a constituent element for controlling the operation of the battery pack 200. For example, the controller 203 controls the charge and discharge of the battery 201. The controller 203 stores the voltage and temperature of the battery 201 detected by the detector 202, the magnitude of the impact force applied to the battery pack 200, the number of times the impact force is applied, and the like in the memory 204. The voltage, internal resistance, and the like of the battery 201 are stored as information indicating the state of the battery pack 200, for example. The temperature of the battery 201 is stored as temperature information, for example. The magnitude of the impact force applied to the battery pack 200 and the number of times the impact force is applied are stored as impact-related information. The magnitude of the impact force is an example of a value related to the impact force. The information indicating the state of the battery pack 200 may include temperature information, impact-related information, and the like.
In addition, the controller 203 communicates with the charging device 300 by controlling the communicator 205. Specifically, when the battery pack 200 is connected to the charging device 300, the controller 203 transmits information stored in the memory 204 to the charging device 300 by using the communicator 205. Whether or not the battery pack 200 is connected to the charging device 300 can be detected based on whether or not the communicator 205 receives a notification from the communicator 301 of the charging device 300 via the communication terminal 207, or the like.
Specifically, the controller 203 is implemented by a processor, a microcomputer, a dedicated circuit, or the like, but may have a control function. The controller 203 may include, for example, an arithmetic processor (not shown) and a memory (not shown) storing a control program. As the arithmetic processor, an MPU and a CPU can be exemplified. As the memory, a memory (memory) can be exemplified. The controller 203 may be configured by a single controller that performs centralized control, or may be configured by a plurality of controllers that perform decentralized control in cooperation with each other.
The memory 204 stores an ID of the battery pack 200, information indicating the state of the battery pack 200, temperature information, impact-related information, and the like. Specifically, the Memory 204 is a semiconductor Memory such as an EEPROM (Electrically Erasable Programmable Read-Only Memory), but may be implemented by a Memory included in the controller 203 when the controller 203 includes a Memory.
The communicator 205 is a constituent element for communicating with the charging device 300. Specifically, the communicator 205 is a communication circuit, a communication module, or the like. The communicator 205 may also include a communication terminal 207.
Specifically, the communicator 205 transmits information stored in the memory 204 to the communicator 301 of the charging device 300 when the battery pack 200 is connected to the charging device 300, based on the control of the controller 203. Communication between the communicator 205 and the communicator 301 provided in the charging device 300 is performed in a state where the communication terminal 207 and the communication terminal 307 provided in the charging device 300 are connected. The communication method between the communicator 205 and the communicator 301 is not particularly limited.
The communication terminal 207 is a communication terminal electrically and mechanically connected to the communication terminal 307 of the charging device 300 that charges the battery pack 200. The communication terminal 207 may also be electrically and mechanically connected to an electrical device that consumes power released from the battery pack 200.
The power terminal 206 and the power terminal 208 are power terminals electrically and mechanically connected to the charging device 300 for charging the battery pack 200, respectively, the power terminal 206 is connected to the power terminal 306 of the charging device 300, and the power terminal 208 is connected to the power terminal 308 of the charging device 300. The power terminals 206 and 208 may be connected to respective electrical devices that consume the electric power discharged from the battery pack 200. Charging and discharging of the battery 201 are performed in a state where the power terminal 206 is connected to the power terminal 306 and the power terminal 208 is connected to the power terminal 308.
Specifically, one of the power terminals 206 and 208 is a positive power terminal, and the other is a negative power terminal. For example, the power terminal 206 may be a positive power terminal, and the power terminal 208 may be a negative power terminal.
[ charging device ]
Next, the charging device 300 will be described. The charging device 300 is a device that charges the battery pack 200. The charging device 300 is lent to a user, for example, by a lender of the battery pack 200, and the user uses the battery pack 200 for charging. The charging device 300 may be configured to charge only 1 battery pack 200, or may be configured to charge a plurality of battery packs 200 at the same time. The charging device 300 includes a communicator 301, a controller 302, a power supply 303, a plug 305, a power terminal 306, a communication terminal 307, and a power terminal 308.
The communicator 301 is a component for communicating with the battery pack 200, the server apparatus 600, and the like. Specifically, the communicator 301 is a communication circuit, a communication module, or the like. Communicator 301 may also include a communication terminal 307.
First, communication between the communicator 301 and the battery pack 200 will be described.
The communicator 301 communicates with the battery pack 200 when the battery pack 200 is connected to the charging device 300. Specifically, the communicator 301 communicates with the communicator 205 in a state where the communication terminal 207 of the battery pack 200 is connected to the communication terminal 307 of the charging device 300. In communication between the communicator 301 and the communicator 205, the communicator 301 receives information stored in the memory 204 of the battery pack 200.
Next, communication between the communicator 301 and the server apparatus 600 will be described.
For example, the communicator 301 communicates with the server apparatus 600 via the communication network 500 or the like. The communicator 301 may communicate with the server apparatus 600 via the router 400 and the communication network 500, or may communicate with the server apparatus 600 via the information terminal 700 and the communication network 500. The communication between the communicator 301 and the router 400 is, for example, wireless communication, but may be wired communication.
For example, the communicator 301 transmits information indicating the use condition of the battery pack 200 to the server apparatus 600 via the communication network 500 or the like. The information indicating the use condition of the battery pack 200 is information stored in the memory 204 of the battery pack 200, specifically, information indicating the state of the battery pack 200, temperature information, impact-related information, and the like.
The communication terminal 307 is a communication terminal electrically and mechanically connected to the communication terminal 207 of the battery pack 200.
The power terminals 306 and 308 are power terminals electrically and mechanically connected to the battery pack 200, respectively. Power terminal 306 is connected to power terminal 206, and power terminal 308 is connected to power terminal 208. The charging and discharging of the battery 201 are performed in a state where the power terminal 306 is connected to the power terminal 206 and the power terminal 308 is connected to the power terminal 208.
One of the power terminals 306 and 308 is a positive power terminal, and the other is a negative power terminal. For example, the power terminal 306 may be a positive power terminal, and the power terminal 308 may be a negative power terminal.
The controller 302 is a component for controlling the communicator 301, controlling the charging of the battery pack 200, and the like. Specifically, the controller 302 is implemented by a processor, a microcomputer, a dedicated circuit, or the like, but may have a control function. The controller 302 may include, for example, an arithmetic processor (not shown) and a memory (not shown) storing a control program. As the arithmetic processor, an MPU and a CPU can be exemplified. As the memory, a memory can be exemplified. The controller 302 may be configured by a single controller that performs centralized control, or may be configured by a plurality of controllers that perform decentralized control in cooperation with each other.
The power supply 303 is a component used for charging the battery pack 200. The power supply 303 includes a charging circuit that charges the battery pack 200 connected to the charging device 300 with electric power supplied from an external power source such as a power system. Specifically, the power supply 303 converts ac power supplied from the power system via the plug 305 into dc power suitable for charging the battery pack 200. The power supply 303 is implemented by, for example, an AC/DC converter, a DC/AC inverter, a DC/DC converter, and the like.
The plug 305 is an example of a power receiver, and is a component that is detachably connected to a power supply such as a socket.
[ Router ]
The router 400 is a device for relaying communication. The router 400 is capable of communicating with the charging device 300. The router 400 can communicate with the server apparatus 600 via a communication network 500 such as the internet. Further, the router 400 relays communication between the charging device 300 and the server device 600 by communicating with the charging device 300 and communicating with the server device 600 via the communication network 500. The router 400 communicates with the charging device 300 wirelessly, for example, and communicates with the server device 600 by wire.
In addition, the router 400 can communicate with the information terminal 700. The router 400 communicates with the information terminal 700, for example, wirelessly.
[ communication network ]
The communication network 500 is a communication network in which the charging device 300, the router 400, the server device 600, and the information terminal 700 communicate with each other. The communication network 500 may be a general network such as the internet or a dedicated network for the battery management system 100.
[ Server device ]
The server device 600 is a server device for assisting in the proper use of the battery pack 200. The server apparatus 600 may be an information processing apparatus such as a computer. The server device 600 may be constituted by a plurality of devices.
Specifically, the server apparatus 600 includes a communicator 601, a controller 602, and a memory 603. The memory 603 may not be a constituent element of the server apparatus 600, and may be provided in another device communicatively connected to the server apparatus 600.
The communicator 601 is a component for communicating with the charging device 300 and the information terminal 700. Specifically, the communicator 601 is a communication circuit, a communication module, or the like.
The communicator 601 communicates with the router 400 via a communication network 500 such as the internet. The communicator 601 communicates with the charging device 300 via the router 400 or the like. The communication between the communicator 601 and the router 400 is, for example, wired communication, but may be wireless communication. The communicator 601 may communicate directly with the charging device 300 without via the router 400 or the like.
Specifically, the communicator 601 receives information indicating the use condition of the battery pack 200 from the charging device 300 that charges the battery pack 200 via the communication network 500. The communicator 601 may receive the information indicating the use condition from the information terminal 700 via the communication network 500.
On the other hand, the communicator 601 can also communicate with the information terminal 700. The communication between the communicator 601 and the information terminal 700 includes wireless communication. In the wireless communication, a communication standard used in a mobile communication system such as a 3 rd generation mobile communication system (3G), a 4 th generation mobile communication system (4G), LTE (registered trademark), or the like is used.
Specifically, the communicator 601 transmits notification information indicating the result of adjustment processing (described later) performed by the controller 602 using the use condition of the battery pack 200 to the information terminal 700 held by the user of the battery pack 200.
The controller 602 determines whether or not the usage status of the battery pack 200 acquired from the charging device 300 or the information terminal 700 via the communicator 601 satisfies recommended usage conditions recommended for improving the safety of the battery pack 200. When the use condition of the battery pack 200 satisfies the recommended use condition, the controller 602 performs adjustment (adjustment process) of at least one of making the use charge of the battery pack 200 cheaper than when the use condition is not satisfied and making the use charge of the battery pack 200 available as an integral increase of the use charge. The recommended use condition may be a condition for reducing occurrence of an internal short circuit in the battery pack 200 or a condition for reducing occurrence of a short circuit between a plurality of cells included in the battery pack 200. Details of the recommended utilization condition will be described later.
Specifically, the controller 602 is implemented by a processor, a microcomputer, a dedicated circuit, or the like, but may have a control function. The controller 602 may include, for example, an arithmetic processor (not shown) and a memory (not shown) storing a control program. As the arithmetic processor, an MPU and a CPU can be exemplified. As the memory, a memory can be exemplified. The controller 602 may be a single controller for performing centralized control, or may be a plurality of controllers 602 for performing decentralized control in cooperation with each other.
The memory 603 stores use conditions for improving the safety of the battery pack 200. The memory 603 stores information indicating the use condition of the battery pack 200 received via the communicator 601. In addition, the memory 603 stores the result of the adjustment process performed by the controller 602. The storage of information indicating the use condition of the battery pack 200 in the memory 603, the update of the information, the storage of the result of the adjustment process performed by the controller 602, and the update of the result are performed by the controller 602.
Specifically, the Memory 603 is a semiconductor Memory such as an EEPROM (Electrically Erasable Programmable Read-Only Memory), an HDD (Hard Disk Drive), or the like. When the controller 602 includes a memory, the memory 603 may be implemented as the memory. The memory 603 may be implemented as a storage device separate from the server device 600.
[ information terminal ]
The information terminal 700 is a device that communicates with the server device 600 via the communication network 500 by a communication connection with the router 400 or a communication connection with the base station 510 of the mobile communication system. Specifically, the information terminal 700 is an information terminal held by a user of the battery pack 200. The information terminal 700 may be an information processing device such as a computer or a mobile terminal such as a smart phone or a tablet terminal. In their communication, either wired communication or wireless communication may be applied.
For example, a communication standard used in a mobile communication system such as a 3 rd generation mobile communication system (3G), a 4 th generation mobile communication system (4G), or LTE (registered trademark) is used for communication connection between the information terminal 700 and the base station 510 of the mobile communication system.
The communication connection between the information terminal 700 and the router 400 is performed, for example, wirelessly, but may be performed by wire. Instead of the router 400, the information terminal 700 may relay communication between the charging device 300 and the server device 600.
The information terminal 700 receives notification information indicating the result of the adjustment process from the server apparatus 600. The notification information is display information for displaying a notification image. The information terminal 700 may directly receive the notification information from the server apparatus 600, or may receive the notification information via the communication network 500 and the router 400.
In embodiment 1, the information terminal 700 has a display 710. On the display 710, a notification image indicating rewards or penalties given to the user is displayed based on the notification information transmitted from the server apparatus 600.
[ Integrated work ]
Next, the operation of the battery management system 100 will be described. Fig. 3 is a timing chart of the operation of the battery management system 100.
First, the battery pack 200 is connected to the charging device 300 by the user (S11). Specifically, the power terminal 206 is connected to the power terminal 306, the communication terminal 207 is connected to the communication terminal 307, and the power terminal 208 is connected to the power terminal 308. In this way, in the charging device 300, a voltage is applied between the power terminal 306 and the power terminal 308 (S12).
The controller 302 of the charging device 300 detects that a voltage is applied between the power terminal 306 and the power terminal 308, and thereby recognizes that the battery pack 200 is connected (S13). When it is recognized that the battery pack 200 is connected, the controller 302 causes the communicator 301 to notify that the connection of the battery pack 200 is completed (S14). The notification is sent to the communicator 205 of the battery pack 200.
When the communicator 205 of the battery pack 200 receives the notification (S15), the controller 203 causes the communicator 205 to transmit the cell information of the battery pack 200 (S16). The battery information may include at least the ID of the battery pack 200. The battery information may include temperature information, impact-related information, and the like, and if such information is necessary as information indicating the use condition of the battery pack 200 in step S20, such information may be included in the battery information.
When the communicator 301 of the charging device 300 receives the battery information from the communicator 205 of the battery pack 200 (S17), the received battery information is transmitted to the communicator 601 of the server device 600 (S18).
When the communicator 601 of the server apparatus 600 receives the battery information from the communicator 301 of the charging apparatus 300, the controller 602 confirms the information indicating the use condition, that is, the use condition of the battery pack 200, stored in the memory 603 (S19). When information indicating the use condition of the battery pack 200, such as temperature information and impact-related information, is included in the battery information, the controller 602 updates the information indicating the use condition of the battery pack 200 stored in the memory 603. Specifically, when the battery information includes information indicating the use condition of the battery pack 200, the controller 602 updates the information indicating the use condition stored in the memory 603 in association with the ID of the battery pack 200.
Then, the controller 602 determines whether or not the use condition of the battery pack 200 having the ID included in the battery information satisfies the recommended use condition (S20). Based on the result of the determination, the controller 602 performs adjustment (adjustment process) of the use fee for the battery pack 200 and the integral that the user of the battery pack 200 can use as the use fee (S21). Thus, the controller 602 gives a reward or penalty to the user of the battery pack 200. The controller 602 causes the communicator 601 to notify the information terminal 700 of notification information indicating the result of the adjustment process (S22). Further, the controller 602 may not notify the information terminal 700 of the notification information in step S22.
Accordingly, the server apparatus 600 can give a reward to the user who has satisfied the recommended use condition, and can prompt the user to use the battery pack 200 while satisfying the recommended use condition. Thus, the server apparatus 600 can assist the user in properly using the battery pack 200.
[ recommended utilization conditions ]
The recommended use conditions of the battery pack 200 will be described specifically with reference to fig. 4.
Fig. 4 is a table illustrating recommended use conditions of the battery pack.
As shown in fig. 4, the recommended utilization conditions are the following three conditions.
(1) The battery pack 200 is not charged at a low temperature.
(2) No large impact is applied to the battery pack 200.
(3) No moderate impact of a predetermined number or more is applied to the battery pack 200.
First, the condition (1) will be described.
When the battery pack 200 is charged at a low temperature, accidents such as breakage may occur easily. For example, in the case where the storage battery 201 is a lithium ion battery, if the battery is charged at a low temperature, internal short-circuiting may occur due to the promotion of precipitation of lithium metal, and accidents such as breakage may occur. That is, one of the recommended use conditions is to not charge the battery pack 200 at a low temperature equal to or lower than a predetermined temperature recommended for improving the safety of the battery pack 200.
More specifically, the condition (1) may be that the number of times the battery pack 200 is charged is equal to or less than a predetermined number of times when the temperature of the battery pack 200 is equal to or less than a predetermined temperature lower than the standard ambient temperature. The standard ambient temperature is, for example, 25 c, the predetermined temperature is, for example, 5 c, and the predetermined number of times is, for example, 10 times. Fig. 5 is a diagram for explaining the determination of the number of times of charge in the low-temperature environment based on the battery pack 200.
In the example of fig. 5, when the number of times of charging in the low-temperature environment where the temperature of the battery pack 200 is greater than 0 ℃ and equal to or less than 5 ℃ becomes 10 or more, it is determined that the recommended utilization condition is violated. In addition, when the battery pack 200 is charged 1 time in a low-temperature environment in which the temperature is 0 ℃ or lower, it may be determined that the recommended utilization condition is violated. The battery pack 200 and the charging device 300 may have specifications that charging is not possible when the temperature of the battery 201 is equal to or lower than 0 ℃.
As described above, the use condition for improving the safety of the battery pack 200 may be that the number of times the battery pack 200 is charged is equal to or less than a predetermined number of times when the temperature of the battery pack 200 is equal to or less than a predetermined temperature lower than the standard ambient temperature.
This can assist in proper use of the battery pack, in which the battery pack is not charged at a predetermined temperature or lower.
In the above description, the determination as to whether or not the battery is in the low-temperature environment was made based on the temperature at the start of charging, but the determination as to whether or not the battery is in the low-temperature environment may be made based on the temperature at the end of charging, and the average temperature during charging and the like may be used. In this case, temperature information may be provided from the battery pack 200 as needed. In addition, it may be determined that the battery is in a low-temperature environment when the temperature is 5 ℃ or lower for only 1 time during charging. In this case, for example, information indicating that the temperature has become 5 ℃ or lower for 1 time during charging may be transmitted from the charger 300 to the server apparatus 600.
In addition, there are cases where there is a danger of charging in a high-temperature environment. Therefore, the use condition for improving the safety of the battery pack 200 may be that the number of times the battery pack 200 is charged is equal to or less than a predetermined number of times when the temperature of the battery pack 200 is equal to or higher than a predetermined temperature higher than the standard ambient temperature.
Next, conditions (2) and (3) will be described.
Even if a large impact force (hereinafter also referred to as a large impact) exceeding a first predetermined value is applied 1 time, there is a possibility that the relationship between the positive electrode or the negative electrode and the separator changes due to deformation of the battery 201, and an internal short circuit occurs. Specifically, as the battery 201 is deformed, the separator may be broken to short-circuit the positive electrode and the negative electrode. In addition, when a large impact is applied, there is a possibility that the sealing body provided at the electrode terminal portion of the container of the battery 201 loosens, and the electrolyte contained in the container leaks. As a result, there is a possibility that a short circuit occurs between the plurality of batteries 201 constituting the battery pack 200. That is, one of the recommended use conditions is that the amount of impact detected by the impact sensor provided in the battery pack 200 is smaller than the upper limit value (no large impact) that improves the safety of the battery pack 200.
More specifically, the condition (2) may be that a value related to the impact force received by the battery pack 200 is equal to or smaller than a first predetermined value. The value related to the impact force is, for example, a value indicating the magnitude of the impact force. The first predetermined value may be appropriately determined according to experiments or experience, and is not particularly limited.
In addition, the battery pack 200 to which a moderate impact force (hereinafter also referred to as a moderate impact) that is smaller than the first predetermined value but equal to or greater than the second predetermined value is applied a plurality of times is charged, and as in the case of the condition (2), internal short-circuiting or short-circuiting between the batteries may occur. That is, one of the recommended use conditions of the battery pack 200 is that the number of times of the impact (medium impact) detected by the impact sensor provided in the battery pack 200 is smaller than the upper limit value (smaller than the predetermined number of times) that improves the safety of the battery pack.
More specifically, the condition (3) may be that the number of times the value related to the impact force received by the battery pack 200 becomes equal to or more than the second predetermined value is smaller than the predetermined number of times. The second predetermined value may be appropriately determined according to experiments or experience, and is not particularly limited. The predetermined number of times is, for example, 1000 times.
Fig. 6 is a diagram for explaining a determination based on an impact force applied to battery pack 200. The vertical axis of fig. 6 represents the impact force applied to the battery pack 200. Such an impact force is detected by the detector 202, and is transmitted as impact-related information included in the battery information in step S16 of fig. 3. The impact-related information stored in the memory 204 of the battery pack 200 is reset, for example, every time the content of the impact-related information is reflected in the memory 603 of the server apparatus 600.
[ adjustment Process ]
Next, the adjustment process performed by the controller 602 after the determination of the recommended use condition will be specifically described with reference to fig. 7. Fig. 7 is a diagram showing an adjustment process performed according to the result of determination of recommended use conditions.
The controller 602 may perform adjustment so that the use fee of the battery pack 200 is reduced when the use condition of the battery pack 200 satisfies each of the three recommended use conditions (the determination result is "compliance") in the adjustment process. For example, the controller 602 may reduce the monthly loan fee to the battery pack 200, the fee (facility fee) for the new additional battery pack 200 related to the replacement of the battery pack 200, and the fee (facility fee) for the additional battery pack 200 related to the new additional battery pack 200 added by the user of the battery pack 200 during the adjustment process.
In contrast, in the adjustment process, the controller 602 may adjust the usage charge so as to increase the usage charge when the usage condition of the battery pack 200 does not satisfy any one of the three recommended usage conditions (the determination result is "violation"). For example, the controller 602 may increase the monthly fee for the battery pack 200, the fee (facility fee) for the new additional battery pack 200 when the battery pack 200 is replaced, and the fee (facility fee) for the additional battery pack 200 when the user of the battery pack 200 newly adds the additional battery pack 200 in the adjustment process.
In the adjustment process, the controller 602 may adjust not only the usage fee but also the integral.
In the adjustment process, the controller 602 may be configured to give an integral to the user of the battery pack 200, which can be used as a royalty, when the use condition of the battery pack 200 satisfies each of the three recommended use conditions (the determination result is "compliance"). For example, in the adjustment process, the controller 602 may give the user a use point that can be used when paying out a monthly loan, or may give a period point that can extend the period of the loan that has been determined for the battery pack 200. That is, the points referred to herein are points that the user can use for payment of the loan fee of the battery pack 200, payment of replacement battery, extension of the loan period of the battery pack, and the like.
Conversely, in the adjustment process, when the use condition of the battery pack 200 does not satisfy any one of the three recommended use conditions (the determination result is "violation"), the controller 602 may reduce the integral associated with the user of the battery pack 200. For example, in the adjustment process, the controller 602 may cut off the use points that can be used when the user pays out the monthly loan, or cut off the period points that can extend the loan period that has been determined for the battery pack 200.
Further, if there is a system in which the controller 602 reduces the usage fee or gives the points when each of the three recommended utilization conditions is satisfied, the adjustment process of increasing the usage fee or reducing the points may not be performed when any one of the three recommended utilization conditions is not satisfied. In contrast, if there is a system in which the controller 602 increases the usage fee or decreases the points when any one of the three recommended utilization conditions is not satisfied, the adjustment process of decreasing the usage fee or giving the points may not be performed when each of the three recommended utilization conditions is satisfied.
[ Notification information ]
Next, with reference to fig. 8 and 9, notification information to be notified from the server apparatus 600 to the information terminal 700 will be described specifically.
Fig. 8 is a diagram showing an example of a notification image displayed on a display of an information terminal based on notification information when the determination result is in compliance. Specifically, fig. 8 (a) is a diagram showing an example of a notification image 711 indicating that a prize is given, and fig. 8 (b) is a diagram showing a detailed image 712 of the use condition of the battery pack 200 in a predetermined period according to which the prize is given.
In the server apparatus 600, when the controller 602 determines that the use condition of the battery pack 200 satisfies the recommended use condition, notification information indicating the determination result is notified to the information terminal 700 held by the user of the battery pack 200. As shown in fig. 8 (a), a notification image 711 is displayed on the display 710 of the information terminal 700 based on the notification information, and the notification image 711 indicates that 100 points are given to the user of the battery pack 200 as rewards.
When the user selects (clicks) the "detail" button in the notification image 711 shown in fig. 8 (a), a detail image 712 showing the use condition of the battery pack 200 within a predetermined period (for example, the last month) to which the basis of the prize is given is displayed on the display 710 as shown in fig. 8 (b). In the detailed image 712, a reference value indicating the basis of which the prize is awarded, the recommended use condition, and the actual result value of the battery pack 200 of the last month are shown. In the detailed image 712, check marks (check marks) indicating that the recommended usage conditions are satisfied are also shown in correspondence with the three recommended usage conditions, respectively. In this way, the user can know that the recommended usage condition is lower than the standard by looking at the notification image 711 and the detailed image 712. Accordingly, the server apparatus 600 can effectively assist the user in utilizing the battery pack 200 so as to satisfy the recommended utilization condition.
Fig. 9 is a diagram showing an example of a notification image displayed on a display of an information terminal based on notification information when the determination result is a violation. Specifically, fig. 9 (a) is a diagram showing an example of the notification image 713 showing that the recommended usage condition is violated, and fig. 9 (b) is a diagram showing a detailed image 714 showing the usage state of the battery pack 200 within a predetermined period according to the violation of the recommended usage condition.
As shown in fig. 9 (a), when the controller 602 determines that the use condition of the battery pack 200 does not satisfy any one of three recommended use conditions in the server 600, the information terminal 700 held by the user of the battery pack 200 is notified of notification information indicating the determination result. Then, on the display 710 of the information terminal 700, a notification image 713 is displayed based on the notification information, and the notification image 713 notifies that the recommended usage condition is violated and that unsafe usage is being used.
When the user selects (clicks) the "detail" button in the notification image 713 shown in fig. 9 (a), a detail image 714 showing the use condition of the battery pack 200 within a predetermined period (for example, the last month) in which the basis of the recommended use condition is violated is displayed on the display 710 as shown in fig. 9 (b). In the detailed image 714, a reference value of the recommended usage condition indicating the basis of the recommended usage condition and an actual result value of the battery pack 200 of the last month are shown. Further, in the detailed image 714, in addition to the check flag indicating that the corresponding recommended utilization condition is satisfied, a warning flag indicating that the corresponding recommended utilization condition is not satisfied is shown in correspondence with each of the three recommended utilization conditions. In this way, the user can know the condition that satisfies the criterion and the condition that does not satisfy the criterion among the three recommended utilization conditions by looking at the notification image 713 and the detailed image 714. Therefore, the server apparatus 600 can more effectively assist the user in utilizing the battery pack 200 so as to satisfy the recommended utilization condition.
(other embodiments)
As described above, the embodiments are described as an example of the technology disclosed in the present application. However, the technique in the present disclosure is not limited to this, and can be applied to embodiments in which modifications, substitutions, additions, omissions, and the like are appropriately made. The components described in the above embodiments may be combined to form a new embodiment.
The communication between the devices described in the above embodiments may be wireless communication or wired communication. The communication standard is not particularly limited. For wireless communication between devices, the ieee802.15.1 standard, which is an international standard for short-range wireless communication typified by Bluetooth (registered trademark), may be used. In addition, as for wireless communication between devices, the IEEE802.11 standard, which is an international standard for wireless communication typified by a wireless local area network (LAN: local Area Network) or Wi-Fi (registered trademark), may be used. In addition, for wired communication between devices, the IEEE802.3 standard, which is an international standard for wired communication typified by a wired lan, may be used.
In the above embodiment, each component may be configured by dedicated hardware, or may be realized by executing a software program suitable for each component. Each component may be realized by a program execution unit such as a CPU or a processor by reading and executing a software program recorded in a recording medium such as a hard disk or a semiconductor memory.
In the above embodiment, each component may be a circuit. The plurality of components may constitute 1 circuit as a whole, or may constitute each circuit. The circuits may be general-purpose circuits or dedicated circuits.
Although the control method of the server device and the server device according to one or more aspects of the present invention have been described above based on the embodiments, the present disclosure is not limited to the embodiments. The mode of implementing various modifications, which will occur to those skilled in the art, in the present embodiment, and the mode of combining the constituent elements in the different embodiments may be included in the scope of one or more of the claims without departing from the spirit of the present disclosure.
For example, in the above embodiment, the processing performed by a specific component may be performed by another component instead of the specific component. The order of the plurality of processes may be changed, and the plurality of processes may be executed in parallel.
Industrial applicability
The present disclosure can be applied to a server device for managing a battery pack, and can be applied to a lending system of a battery pack, a management system of a battery pack, and the like.
Description of the reference numerals
100 battery management system; 200 storage battery packs; a storage battery 201; 202 a detector; 203. 302, 602 controllers; 204. 603 a memory; 205. 301, 601 communicators; 206. 208, 306, 308 power terminals; 207. 307 communication terminals; 300 a charging device; 303 power supply; 305 plugs; 400 routers; 500 a communication network; 510 base stations; 600 server means; 700 information terminal; 710 a display; 711. 713 notifying the image; 712. 714 detailed images.

Claims (14)

1. A server device includes a communicator and a controller,
the communicator communicates with a charging device that charges a battery pack detached from the electric device,
the controller performs adjustment, when the use condition of the battery pack acquired by the communicator from the charging device satisfies a recommended use condition recommended for improving the safety of the battery pack, of at least one of i) making the use fee of the battery pack cheaper than when the use condition does not satisfy the recommended use condition, and ii) making a user of the battery pack available as an integral increase of the use fee,
the recommended utilization conditions are as follows: and charging the battery pack a predetermined number of times or less when the temperature of the battery pack is equal to or less than a predetermined temperature recommended for improving safety of the battery pack.
2. The server device according to claim 1,
the recommended utilization condition is a condition for reducing occurrence of an internal short circuit of the battery pack.
3. The server device according to claim 1,
the recommended utilization condition is a condition for reducing occurrence of a short circuit between the unit cells of the battery pack.
4. The server device according to claim 1,
when the communicator receives information indicating the charge temperature of the battery pack during the charge period detected by the temperature sensor provided in the battery pack from the charging device,
the controller determines whether the charging temperature is equal to or lower than the predetermined temperature, and determines that the usage condition does not satisfy the recommended usage condition when the charging temperature is equal to or lower than the predetermined temperature and the number of times of charging is greater than the predetermined number of times.
5. The server device according to claim 1 to 4,
the recommended utilization conditions are as follows: the impact amount detected by the impact sensor provided in the battery pack is smaller than the recommended upper limit value for improving the safety of the battery pack.
6. The server device according to claim 5,
When the communicator receives information from the charging device indicating the amount of impact detected by the impact sensor,
the controller determines whether the impact amount is equal to or greater than a 1 st predetermined value, and determines that the use condition does not satisfy the recommended use condition when the impact amount is equal to or greater than the 1 st predetermined value, the 1 st predetermined value being an upper limit value recommended for improving safety of the battery pack.
7. The server device according to claim 1 to 4,
the recommended utilization conditions are as follows: the number of times of the impact detected by the impact sensor included in the battery pack is smaller than an upper limit value recommended for improving the safety of the battery pack.
8. The server device according to claim 7,
when the communicator receives information indicating the amount of impact detected by the impact sensor and the number of times of impact from the charging device,
the controller may be configured to control the operation of the controller,
determining whether the impact amount is equal to or greater than a 2 nd predetermined value smaller than a 1 st predetermined value, the 1 st predetermined value being an upper limit value recommended for improving safety of the battery pack,
and determining whether the number of impacts of the impact amount equal to or greater than the 2 nd predetermined value is equal to or greater than a 1 st predetermined number of times, the 1 st predetermined number being an upper limit value recommended for improving safety of the battery pack,
And when the number of impacts is equal to or greater than the 1 st predetermined number of times, determining that the utilization condition does not satisfy the recommended utilization condition.
9. The server device according to claim 1 to 4,
the controller reduces the usage fee when the usage condition satisfies the recommended usage condition.
10. The server device according to claim 1 to 4,
the controller increases the usage fee when the usage condition does not satisfy the recommended usage condition.
11. The server device according to claim 1 to 4,
the controller gives the point when the utilization condition satisfies the recommended utilization condition.
12. The server device according to claim 1 to 4,
the controller reduces the integral when the utilization condition does not satisfy the recommended utilization condition.
13. A control method of a server apparatus, comprising:
obtaining a utilization condition of a battery pack detached from an electric device from a charging device that charges the battery pack;
when the use condition of the battery pack acquired from the charging device satisfies a recommended use condition recommended for improving the safety of the battery pack, an adjustment is made such that the use charge of the battery pack is at least one of cheaper than when the use condition does not satisfy the recommended use condition and such that a user of the battery pack can use the battery pack as an integral increase of the use charge,
The recommended utilization conditions are as follows: and charging the battery pack a predetermined number of times or less when the temperature of the battery pack is equal to or less than a predetermined temperature recommended for improving safety of the battery pack.
14. A method of utilizing a battery pack, comprising:
transmitting information indicating a use condition of the battery pack to a server device via a charging device that charges the battery pack detached from the electric device;
receiving information from the server device indicating: when the use condition transmitted to the server device via the charging device satisfies a recommended use condition recommended for improving the safety of the battery pack, an adjustment is made such that a use fee of the battery pack is at least one of cheaper than when the use condition does not satisfy the recommended use condition and such that a user of the battery pack can use the battery pack as an increase in the point of use of the use fee,
the recommended utilization conditions are as follows: and charging the battery pack a predetermined number of times or less when the temperature of the battery pack is equal to or less than a predetermined temperature recommended for improving safety of the battery pack.
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