JP2003123848A - Battery for electric vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery for an electric vehicle which can memorize the history of the use of the battery like the number of charging and discharging by itself. SOLUTION: A batter for an electric vehicle 7 is repeatedly rechargeable and detachment freely mounted to the electromotive vehicle, and comprises a control circuit 7C detecting a battery residual capacity and displaying the same by an residual capacity displaying device like and LED or a bar graph meter. Further, the battery 7 comprises a readable/writable memory means 7A, and the control circuit 7C is constructed so as to make the memory means 7A memorize the numbers of charging and discharging.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vehicle battery mounted on an electric vehicle.

[0002]

2. Description of the Related Art JP-A-5-227669 discloses a battery charger for an electric vehicle. In this battery charging device for electric vehicles, an IC card is used for charging the battery for electric vehicles. IC card has
An area for recording the history of past driving information regarding the battery and an area for recording the battery specific information of the battery mounted corresponding to the electric vehicle are provided. The battery specific information is, for example, information such as the type of battery, the manufacturing time, and the charge / discharge characteristics. The above IC card has a role as a key when charging at a service stand,
It also records the identification number used for payment.

[0003]

As described above, in the conventional electric vehicle, the IC card is required for the user to receive services such as battery charging. Predetermined information is recorded on the IC card, and this recorded information can be read by an IC card reader / writer provided in a service stand or a battery charger. The information recorded in the IC card is a history of battery usage, such as the number of times of charging and discharging. Battery usage history information is
The information about charging / discharging using the IC card has been stored in the IC card. Therefore, conventionally, there has been no configuration in which the charging history of the battery is stored in the battery itself.

An object of the present invention is to provide a battery for an electric vehicle in which the battery itself can store a history of battery usage such as the number of times of charging and discharging.

[0005]

In order to achieve the above object, the battery for an electric vehicle according to the present invention is constructed as follows.

The first battery for an electric vehicle (corresponding to claim 1) is a battery which is detachably provided in the electric vehicle and which can be repeatedly charged. A control circuit for displaying the remaining amount of the battery by the quantity indicator is further provided, and the battery is provided with a readable / writable storage means, and the control circuit is configured to store the charge / discharge frequency of the battery in the storage means. .

A second battery for an electric vehicle (corresponding to claim 2) is characterized in that, in the first configuration, the control circuit preferably detects an abnormality of the battery and outputs an abnormality detection signal. .

[0008]

According to the battery for an electric vehicle according to claim 1,
By providing a control circuit that displays the remaining amount of the battery and a storage unit that can perform reading and writing, it is possible to detect the number of times of charge and discharge of the battery using the battery remaining amount control circuit. It can be useful for battery maintenance. Further, even when the user of the battery charges the battery with his / her own charger, the charging history can be accurately grasped. Further, according to the battery for an electric vehicle according to the second aspect, it is possible to recognize the abnormality of the battery.

[0009]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

Before describing the battery for an electric vehicle according to the present invention, first, a battery rental system as an infrastructure in which the battery for an electric vehicle is used will be described with reference to FIGS. 1 and 2.

The battery rental system comprises an unmanned automatic battery rental device (battery exchange device) 1 and a central management device 3 for centrally managing the unmanned automatic battery rental device 1 via a communication line 2. . The unmanned automatic battery rental apparatus 1 and the central management apparatus 3 are connected by a network.

According to the battery rental system, a plurality of unmanned automatic battery rental apparatuses 1 are provided in many regions based on the number of electric vehicles such as electric assist bicycles owned, the state of the area, and the mileage of the electric vehicles. By arranging them, it is possible to improve the convenience of users (renters). In a battery rental system, when a user uses this system, generally, for example, a contract is made with a battery rental system company for the system use directly or through an agent. In addition, the system can be configured so that a rental or lease contract for an electric vehicle can be made with a battery rental system company.

The user of the battery rental system is
The battery rental system company receives one user registration number (rental ID) setting for each user, family, company, or the like. After the battery identification number is stored in the central management device 3 corresponding to this rental ID and the battery is lent out, the user can use the unmanned automatic battery rental device 1 to receive the battery rental service. .

When the user uses the unmanned automatic battery rental apparatus 1, as shown in FIG. 2, the battery return storage unit 15 of the unmanned automatic battery rental apparatus 1 is used.
The battery 7 is inserted into and the unmanned automatic battery rental apparatus 1 is made to recognize the identification number of the battery. The battery 7 is an electric vehicle battery according to the present invention.

The unmanned automatic battery rental apparatus 1 recognizes the battery 7 having the identification number as a rental battery and informs the user of the procedure for using it.

Next, an unmanned automatic battery rental apparatus 1
After confirming the return of the used battery 7, the user informs the user of the storage position of the battery 7 having a fully charged or available capacity.

Subsequently, the unmanned automatic battery rental apparatus 1
Is the identification number and remaining amount of the battery 7 to be rented, and the identification number and unique information of the returned used battery 7 (remaining amount (remaining amount at the time of lending, current remaining amount), number of times of charging / discharging, number of times of use, etc. ) Is read and the usage charge is calculated by subtracting the current remaining amount from the remaining amount at the time of lending, and the remaining battery amount at the time of lending is written and stored in the battery to be rented at that time, and the user is informed, and then the user is informed. Battery 7
Lend out.

An unmanned automatic battery rental apparatus 1
Transmits the data such as the date and time of return of the returned battery, the usage fee, the history of charge and discharge times, the number of times of use, the battery identification number and the rental date and time of the rented battery, the identification number, and the remaining amount at the time of renting to the modem etc. By means of two-way transmission with the central control unit 3 via a communication line 2 such as a telephone line or a dedicated line, or by operating a communication unit 7T provided in the battery, and through the unmanned automatic battery rental device 1. To the central management unit 3 via the communication line 2.

The central management device 3 is connected to a plurality of unmanned automatic battery rental devices 1 in each area by a communication line 2 and performs centralized management by a computer, thereby
The rental information of the user and the unique information of the battery are managed from the rental device 1. Specifically, the identification number of the currently rented battery is stored as the rental person data, and when the battery of the identification number is returned to the unmanned automatic battery rental apparatus 1, the usage amount thereof is stored, Further, the identification number of the newly rented battery and the remaining battery amount at that time are stored. As the unique information of the battery, the number of times of charging / discharging, the number of times of use, etc. are stored.

The central management unit 3 informs the battery maintenance department of the battery rental system company of the data on the battery 7, informs the user of the usage fee at regular intervals, and collects the usage fee through a bank or the like. To do.

As described above, since the battery 7 stores the usage history in its storage means, the battery 7 itself has its own usage history data, and the maintenance time of the battery can be appropriately grasped. . Battery 7
The detailed configuration of will be described later.

In FIG. 2, an unmanned automatic battery rental apparatus 1
Is a rental battery 7, a storage unit 15, a storage unit indicator light 15a, an alarm device 16, and a display device 17.
And an audible indicator 17a and a lighting device 22. Furthermore, the unmanned automatic battery rental apparatus 1 is designed to operate when a person comes, and a person detection sensor 2 for greetings or the like.
Equipped with 0.

Unmanned automatic battery rental apparatus 1 described above
The operation will be described with reference to the flowcharts shown in FIGS.

When a person stands in front of the unmanned automatic battery rental apparatus 1, the person detection sensor 20 detects this (step S1), and unlocks the return storage unit 15 for access (step S2). The guidance is started by the display device 17 and the audible display device 17a (step S3).
In the guidance, for example, a voice guidance "Welcome. Please put the used battery in the first bay (or storage part)."

The unmanned automatic battery rental apparatus 1 includes a storage unit 15 for returning a battery. User has battery 7
When the battery is inserted into the storage unit 15, the battery 7 is locked (step S4), the identification number and unique information of the returned battery 7 are read (step S5), and the battery identification number is checked (step S6). Find out if you can rent a new battery. In the unmanned automatic battery rental apparatus 1, the used battery 7 is returned to the return storage unit 15, and the lock pin 12 (shown in FIG. 4) attached to the battery 7 is inserted to a locked position. , Confirm that the lock pin 12 is locked.

If there is a problem with the identification number, the reason why the display device 17 and the audible indicator 17a cannot be used is notified (step S13), the battery rental service is not provided, and the return battery 7 is used. It is determined whether it is necessary to return it to the person (step S14). In the case of a stolen battery or in case of late payment, the battery 7 is kept locked by the lock pin 12, but in the case of a battery unrelated to rental, the battery is unlocked (step S1).
5) Return the battery from the storage unit 15. When it is found that the battery is a rental battery that has no problem with the identification number (for example, it is not a stolen battery, and there is no delinquency in usage charges), the usage amount of the return battery 7 is checked and detected (step S7), The user is further informed of the procedure to be used by the display device 17 and the audible display 17a.

Further, the remaining amount of the returned used battery 7 at the time of renting and the present remaining amount are read from the storage means of the battery 7 or the central management unit 3, the used amount is calculated, the used charge, the latest rental date and time, etc. Is notified by the display device 17 and the audible display 17a, and the identification number of the returned battery and the usage charge are stored. The unmanned automatic battery rental apparatus 1 displays a storage unit 15 of a fully charged battery or a usable battery 7 having a remaining charge of 70% or more from among rental batteries 7 arranged in multiple stages. 17 and the audible indicator 17a (step S8). At this time, for example, a voice guidance saying "The electricity charge used by the customer is 500 yen. Please remove the battery in the second bay (or storage part)."

Further, the battery identification number and the remaining battery level of the rented-out battery 7 are stored (step S9). In the rental battery 7, the storage means stores the battery remaining amount of the battery (step S10), and the lock pin 12 attached to the rental battery 7 to be rented is unlocked (step S11). The user can easily remove the battery 7 from the storage unit 15. Note that step S8 may be provided immediately after step S11. When the battery 7 is removed, for example, a voice guidance of operation completion, "Thank you for using." Is performed (step S12).

The unmanned automatic battery rental apparatus 1 uses the returned date and time of the used battery 7 returned, the usage fee,
Unique electrical data information for charging such as the number of times of charging is also stored, and this data is transmitted to the central management device 3 via the communication line 2. Further, the usage amount or the remaining amount of the battery 7 may be transmitted. At this time, when the battery itself is provided with the communication means, the unmanned automatic battery rental apparatus 1 may supply power to the communication means in the battery for communication. Further, the information on the electrical processing method corresponding to the data information is received from the central management unit 3, and the electrical processing is performed in accordance with the information command of the received information, and the data information resulting from the electrical processing is again used for the communication line 2. It is transmitted to the central management unit 3 via the.

Further, an alarm device 16 is provided to emit an alarm sound in case of any trouble, and in an emergency, the intercom call switch 21 can be used to communicate with the installation location of the central management device 3 or a contracted battery rental system company. It is like this.

FIG. 3 shows a block configuration of essential parts of the unmanned automatic battery rental apparatus. The unmanned automatic battery rental apparatus 1 includes a control unit 18 and a communication unit 19. The control unit 18 includes the information recognition unit 4 and the information transmission unit 5.

The information recognizing means 4 is a contact-type or non-contact-type data communication device, by which the stored information stored in the storage means of the battery 7 can be accessed.
The information recognizing means 4 bidirectionally transmits information to and from the communication means 7T in the battery, checks the battery identification number with the reader of the information recognizing means 4, and checks whether the battery 7 is in a normal rental state.

When the information recognizing means 4 finds that the battery 7 is in a normal rental state, the information such as the rental ID of the user stored in the battery 7, the latest rental date and time, the update date, the current remaining amount, etc. The read signal Sr is read by the reader and the information and data recognition signal Sd is supplied to the information transmitting means 5.

Furthermore, for the lending battery 7 for lending,
The date and time of the latest rental, the remaining battery level, etc. are written in the rented battery by the writer by the write signal Sw, and a recognition signal Sd of these information and data is supplied to the information transmitting means 5. Before renting out, read signal S such as the identification number of the battery, the remaining amount of the battery, and the history of other battery usage.
The readers read r and Ib and supply the information transmitting means 5 with the recognition signals Sd and Is.

The information transmitting means 5 is an LCD, CRT, LE.
Signals Ds, Ss, which control the display device 17 such as D and EL, the audible indicator 17a such as a speaker, and the storage portion indicator lamp 15a which is displayed on the upper portion of the storage portion 15 by LEDs, lamps, and the like. Supply Fs. Further, the information transmitting means 5 supplies the display signal Ds to the display device 17, the audio signal Ss to the audible indicator 17a, and the blinking signal Fs to the storage indicator lamp 15a.

The information recognition means 4 also reads the usage history data of the battery stored in the storage means 7A in the battery 7. Also equipped with a terminal connector (not shown),
The electrical characteristics of the battery 7 are measured and charged.

The information recognition means 4 includes terminals 9 of the battery 7,
A battery signal Ib is obtained by measuring the remaining battery level and the like from terminal connectors corresponding to 10, 11 (see FIG. 4) and the like. The processing required for charging corresponding to the battery signal Ib is performed by the charge signal Cb from the terminal connectors corresponding to the terminals 9 and 11 of the battery 7.

The information recognizing means 4 also obtains unique information of the battery 7 such as the battery temperature and the storage information of the storage means 7A from the battery signal Ib. The information recognizing means 4 uses the unique information read from the battery 7 as the information signal Is as the information transmitting means 5
Supply to.

The communication means 19 of the unmanned automatic battery rental apparatus 1 is composed of a bidirectional transmitter such as a modem, which is composed of a modulation circuit, a clock circuit, a transmission circuit, a photocoupler and the like. The communication means 19 modulates the information signal Mt composed of the read signal Sr from the information recognition means 4 and the battery signal Ib from the information recognition means 4, and centrally manages the transmission signal Cs as a pulse signal or the like via the communication line 2. Supply to the device 3.

The received signal Bs such as a pulse signal supplied from the central control unit 3 via the communication line 2 is demodulated and the processed signal Mr is supplied to the control means 18. Based on this processing signal Mr, the information recognition means 4 in the control means 18 supplies the charge signal Cb to the battery 7. on the other hand,
If the number of times of charging / discharging within the predetermined period is too large, the battery 7 may not be charged, or the battery 7 rental service may not be provided to the user.

The central control device 3 receives a transmission signal Cs regarding the data in the unmanned automatic battery rental device 1 via the communication line 2 and a reception signal Bs regarding the data necessary for the unmanned automatic battery rental device 1. Is supplied to the unmanned automatic battery rental apparatus 1 via the communication line 2.

The central management unit 3 is equipped with a computer for centralized management, and measures and executes commands for charging the user, rental battery, unmanned automatic battery rental unit 1, battery 7, battery life, and usage charge. Manage the collection. In addition, the central management device 3 is a user's rental I
D, ID number of rental battery and remaining amount at the time of lending, remaining amount at the time of returning, used amount, address, age, phone number, gender, contract account, number of rentals, usage fee, etc. database management as information of the renter To do. Furthermore, the central management device 3
It manages the database of the battery such as sales, number of times of use, number of times of charging / discharging, charging date / time, amount of charging / discharging, life of these data and necessity of replacement. In addition, the operating rate and rotation rate of each unmanned automatic battery rental device 1,
Data on actual usage and future business development will be managed according to the user's activity range and patterns.

The state in which the battery is stored in the storage unit will be described with reference to FIG. The battery 7 includes a power supply positive terminal 9, an electric measurement terminal 10, and a power supply negative terminal 11. Further, the battery 7 is provided with a handle 13 that is gripped when the battery 7 is pulled out from the battery storage portion 15 of the unmanned automatic battery rental apparatus 1, and a lock pin 12 for mechanical locking. In addition, terminal 1 for electrical measurement
0 may be composed of a plurality of terminals.

The storage means 7A stores the identification number of the battery 7 and the unique information. This unique information includes data such as the return date and time, the number of times of charging and discharging, rental date and time (rental date and time), battery temperature, and battery remaining amount. The battery identification number is
It consists of the manufacturing number and manufacturing date. The unique information may include the battery identification number, and the unique information may include a rental I
D may be included. The unique information of the battery 7 is supplied to the unmanned automatic battery rental apparatus 1 by communication between the information transmission means 5 and the communication means 19 via the electric measurement terminal 10. Using the power supply positive terminal 9 and the power supply negative terminal 11, the remaining battery level is measured and the battery is charged.

The battery 7 has a lock pin 12. Storage unit 15 for returning the unmanned automatic battery rental apparatus 1
When the lock pin 12 is inserted into the
2 is triggered and the battery 7 is locked. Further, the lock pin 12 of the charged battery 7 is pushed back by the return fitting in the storage unit 15 based on the release signal of the unmanned automatic battery rental apparatus 1. Therefore, the charged battery 7 can be easily removed from the storage portion 15 by the handle 13.

In FIG. 4, (a) shows the storage section indicator light 15
It is a figure for demonstrating the state which inserts the used battery 7 for return in the storage part 15 in which a is blinking, (b)
Is a diagram for explaining the state in the middle of insertion,
(C) is a figure for demonstrating the state where the used battery 7 for return was pushed in completely. In FIG. 4B, the lock pin 12 is in a non-protruding state, and in FIG. 4D, the lock pin 12 is in a protruding and locked state as shown in FIG. 4D.

A bar code may be attached to the side surface of the battery 7, and a bar code reader may be provided in the unmanned automatic battery rental apparatus (battery exchanging apparatus) 1 to further add information for identifying the battery 7.

In this way, in the battery rental system, when the unmanned automatic battery rental apparatus 1 recognizes the user, the user is notified by the information transmitting means 5 with the voice and the display device 17 the use procedure and the battery storage unit for the return. 15
And the storage section indicator lamp 15a above the return storage section 15 blinks.

In the battery rental system, the used battery 7 for return is inserted and the lock pin 12 is inserted.
When it is confirmed that the battery is locked by, the information recognition means 4 recognizes the battery identification number of the used battery 7 for return and the remaining battery amount at the time of lending, measures the current remaining battery amount from the battery terminal, and charges the electricity. Is notified to the user by voice and display device 17.

Further, the battery rental system again informs the user of the storage unit 15 in which the charged battery 7 is stored by the voice and display device 17, and blinks the storage unit indicator lamp 15a above the storage unit 15. Then, the lock pin 12 of the charged battery 7 is released. Further, the remaining amount of the charged battery 7 at the time of lending is stored in the battery 7 by the writer, and the battery identification number, the remaining amount at the time of lending, the rental date and time, the return date and time, and the battery usage charge are stored, and the voice is re-voiced to the user. And a message such as operation completion is output on the display device.

Next, the internal structure of the battery 7 according to the present invention will be described with reference to FIG. The battery 7 is a control circuit 7C
A battery main body 7B, a temperature sensor 7D, a storage unit 7A, a transmission / reception unit 7E, and a fuse 7F. Further, the battery 7 includes a power supply positive terminal 9, an electric measurement terminal 10, and a power supply negative terminal (grounding terminal) 11.
Equipped with.

The power supply positive terminal 9 is connected to the control circuit 7C and the battery body 7B via the fuse 7F. The battery body 7B is composed of a nickel-cadmium battery or the like that can be repeatedly charged.

The control circuit 7C is provided with a plurality of LEDs or bar graph meters, detects the battery remaining amount of the battery main body 7B and displays it on the LED or bar graph meter, and outputs a remaining amount detection signal indicating the battery remaining amount. It is supplied to the transmitting / receiving unit 7E. The control circuit 7C detects an abnormality in the battery body 7B and supplies an abnormality detection signal to the transceiver 7E. The negative terminal of the battery body 7B is connected to the control circuit 7C, and a short-circuit resistance (shunt resistance) in the control circuit 7C
It is connected to the minus terminal 11 for power supply via.

The storage means 7A comprises a memory 7AJ for storing the usage history of the battery 7 and a memory 7AI for storing the battery identification number. The memory 7AJ may store the return date and time, the number of times of charging and discharging within a certain period, the rental date and time (rental date and time), or a combination thereof as a usage history. Good. The storage unit 7A may also store unique information (remaining amount (remaining amount at the time of lending, current remaining amount), number of times of charging / discharging, number of times of use, etc.) in the memory 7AJ or the memory 7AI.

When the control circuit 7C monitors the voltage between the terminals of the battery body 7B and detects that the battery body 7B has been charged, it outputs a charge detection signal indicating full charge to the memory 7B.
Supply to AJ. The memory 7AJ stores that the charge detection signal has been received. The temperature sensor 7D is the battery body 7
The temperature of B is detected, and a temperature detection signal indicating the temperature is supplied to the transceiver 7E. The data of the usage history and the data of the battery identification number of the storage means 7A can be accessed from the transmitter / receiver 7E.

The transmitter / receiver 7E uses the history data from the memory 7AJ, the battery identification number data from the memory 7AI, the failure detection signal and the remaining amount detection signal from the control circuit 7C, and the temperature from the temperature sensor 7D. Data or the like based on the detection signal or information stored in the storage means 7A is transmitted to the outside of the battery 7 via the electrical measurement terminal 10. However, the control circuit 7C may be configured not to supply the remaining amount detection signal to the transmission / reception unit 7E, and the unattended automatic battery rental device 1 may be configured to detect the remaining battery amount through the terminal connector.

FIG. 9 shows the internal structure of the transmitter / receiver 7E. The transmitter / receiver 7E includes a relay RY, a diode D, a Zener diode ZD, a resistor R, and an electric field capacitor Ce.
, Capacitor C, transistor Tr, and communication means 7
It has T.

The common contact of the relay RY is the terminal 1 for electrical measurement.
0, the break contact of the relay RY is connected to the temperature sensor 7D, and the make contact of the relay RY is the communication means 7
It is connected to the Q terminal of T.

The output signal of the temperature sensor 7D is supplied to the electrical measurement terminal 10. On the other hand, in the terminal 10 for electrical measurement,
When a positive potential exceeding the breakdown voltage is applied from the outside (for example, the unmanned automatic battery rental apparatus 1) for a short time, the electric field capacitor Ce is charged and a voltage is applied to the power supply terminal V of the communication unit 7T to communicate with the communication unit. 7T is activated. The electric field capacitor Ce is used as a power source to charge and discharge the transistor Tr for a predetermined time determined by the resistor R and the capacitor C, thereby turning on the relay RY for the predetermined time.

As a result, the movable portion of the relay RY moves, the temperature sensor 7D and the electric measurement terminal 10 are cut off, and the electric measurement terminal 10 and the communication terminal Q of the communication means 7T are connected for the predetermined time. . From the electrical measurement terminal 10 through the communication means 7T, data (or storage information) in the storage means 7A and data from the control circuit 7C (or control circuit 7C).
The main body) can be accessed during the predetermined time.

FIG. 10 shows the internal structure of another example of a battery for an electric vehicle. 10, elements that are substantially the same as the elements described for the battery 7 shown in FIG. 8 are given the same reference numerals. The battery 8 includes a control circuit 7C and
Battery body 7B, temperature sensor 7D, and storage means 7A
And a communication means 7T and a fuse 7F. Further, the battery 8 has a plus terminal 9 for power supply and a terminal 1 for electrical measurement.
0 and a minus terminal (ground terminal) 11 for power supply. Compared to the battery 7, the battery 8 includes a communication unit 7T instead of the transmission / reception unit 7E. In the battery 8, the electric measurement terminal 10 is composed of a plurality of terminals,
The power supply terminal 7V of the communication means 7T and the communication means 7T
7Q connected to the communication terminal Q of the
And a terminal 7S for outputting the temperature detection signal 7S from D.

In the above configuration, the control circuit 7C may be configured not to supply the remaining amount detection signal to the communication means 7T, and the unattended automatic battery rental device 1 may be configured to detect the remaining amount of the battery via the terminal connector. .

The temperature sensor 7D is the battery body 7B.
The temperature detection signal indicating the temperature is output to the terminal 7S. The data of the use history and the data of the battery identification number of the storage means 7A can be accessed from the communication means 7T.

The communication means 7T uses the data of the use history from the memory 7AJ, the data of the battery identification number from the memory 7AI, the data based on the failure detection signal and the remaining amount detection signal from the control circuit 7C, and the temperature from the temperature sensor 7D. The data based on the detection signal or the storage information of the storage means 7A is transferred via the electrical measurement terminal 10 (particularly, the terminals 7Q and 7S),
It is transmitted to the outside of the battery 7. For example, it may be transmitted to the unmanned automatic battery rental device 1 or may be transmitted directly to the central management device 3. Other configurations are the same as the configurations of the battery 7 shown in FIG.

[0065]

As is apparent from the above description, according to the present invention, according to the present invention of claim 1, the control circuit and the storage means provided in the battery itself cause the storage means to store the battery Since the information on the number of times of charge and discharge can be stored, it is possible to accurately detect the charge and discharge of the battery, which can be useful for battery maintenance, and also the history when the user of the battery charges it with his or her own charger. It can be grasped accurately. Further, according to the present invention of claim 2, since the control circuit of the battery is configured to notify the abnormality of the battery, it is possible to accurately grasp the abnormality of the battery.

[Brief description of drawings]

FIG. 1 is a configuration diagram schematically showing an overall configuration of a battery rental system to which a battery for an electric vehicle according to the present invention is applied.

FIG. 2 is a configuration diagram of an unmanned automatic battery rental device (battery exchange device).

FIG. 3 is a block diagram of a main part of an unmanned automatic battery rental device (battery exchange device).

FIG. 4 is an explanatory diagram illustrating a state in which a battery is stored in a storage unit of an unmanned automatic battery rental device (battery exchange device).

FIG. 5 is a flowchart of an unmanned automatic battery rental device (battery exchange device).

FIG. 6 is a flowchart of an unmanned automatic battery rental device (battery exchange device).

FIG. 7 is a flowchart of an unmanned automatic battery rental device (battery exchange device).

FIG. 8 is a configuration diagram showing a typical embodiment of a battery for an electric vehicle according to the present invention.

FIG. 9 is a configuration diagram of a transmission / reception unit of the battery for an electric vehicle according to the present invention.

FIG. 10 is a configuration diagram of another embodiment of an electric vehicle battery according to the present invention.

[Explanation of symbols]

1 Unmanned automatic battery rental equipment 3 Central management device 7,8 battery 7A storage means 7C control circuit 15 Battery storage

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[Procedure amendment]

[Submission date] January 15, 2003 (2003.1.1
5)

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be amended] Claims

[Correction method] Change

[Correction content]

[Claims]

3. The battery for an electric vehicle according to claim 1, wherein the control circuit detects an abnormality of the battery and outputs an abnormality detection signal.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

The first battery for an electric vehicle (corresponding to claim 1) is a battery which is detachably provided in the electric vehicle and which can be repeatedly charged. The battery indicator is provided with a control circuit for displaying the remaining amount of the battery, and the battery is provided with a readable / writable storage means. The control circuit stores the number of times of charging / discharging of the battery in the storage means, and requests from the outside. To
In contrast, the charging / discharging frequency is output .

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

A second battery for an electric vehicle (corresponding to claim 2) is preferably a control circuit in the first structure.
The road outputs the charge / discharge count in response to a request from the outside, and
The number of discharges is read within a predetermined time in response to an external request.
Characterized by being capable. Third electric vehicle bus
The battery (corresponding to claim 3) has the above-mentioned first configuration.
And preferably, the control circuit detects the abnormality of the battery.
It is characterized by outputting an abnormality detection signal.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

[0008]

According to the battery for an electric vehicle according to claim 1,
By providing a control circuit that displays the remaining amount of the battery and a storage unit that can perform reading and writing, it is possible to detect the number of times of charge and discharge of the battery using the battery remaining amount control circuit. It can be useful for battery maintenance. Further, even when the user of the battery charges the battery with his / her own charger, the charging history can be accurately grasped. Further, according to the battery for the electric vehicle according to the third aspect, it is possible to recognize the abnormality of the battery.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0065

[Correction method] Change

[Correction content]

[0065]

According to apparent the present invention in the above description, the control circuit and memory means provided in the battery-itself, so that it can store information related to charging and discharging times of the battery in the storage means Therefore, the charging / discharging of the battery can be accurately detected, which can be useful for the maintenance of the battery, and the history when the user of the battery charges the battery with his / her own charger can be accurately grasped. Also, since the control circuit of the battery is configured to notify the abnormality of the battery, it is possible to accurately grasp an abnormality of the battery.

Claims (2)

[Claims] 1. A battery for an electric vehicle, which is a battery that is detachably provided in an electric vehicle and that can be repeatedly charged, and includes a control circuit that detects the remaining amount of the battery and displays the remaining amount with a remaining amount indicator. The battery comprises a readable / writable storage means,
The battery for an electric vehicle, wherein the control circuit stores the number of charging / discharging times of the battery in the storage means. 2. The battery for an electric vehicle according to claim 1, wherein the control circuit detects an abnormality of the battery and outputs an abnormality detection signal.