JP2014082137A - Battery power control system, battery module, and electronic controller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the unauthorized use of a battery module or a load device while also improving the ease of use.SOLUTION: The present invention comprises: a storage unit 25 disposed in a battery module 2 and used for storing first identification information; a storage unit 15 disposed in an electronic controller 3 mounted on a load device 1 and used for storing second identification information; identification information readout units 11, 12 for reading out each identification information stored in the storage units 25, 15; a comparison unit 13 for comparing each identification information read out by each of the identification information readout units 11, 12; and a power changeover unit 14 for supplying or cutting off the power of a battery 26 of the battery module 2 to a load 16 of the load device 1 when the comparison result satisfies a prescribed condition. At least one of the storage units 15, 25 has a plurality of identification information stored therein. When the result of comparison by the comparison unit 13 does not satisfy the prescribed condition, another identification information is read out from the storage unit 15 or 25 having the plurality of identification information stored therein, and each identification information are compared again by the comparison unit 13.

Description

  The present invention relates to a battery module, an electronic control device mounted on a load device to which the battery module can be attached and detached, and a battery power control system constituted by these.

  For example, a battery module having a battery is connected to a load device such as an electric motorcycle. The battery module is detachable from the load device and is charged by a charger. A load such as a traveling motor provided in the load device consumes electric power of the battery of the battery module. An electronic control device that controls battery power supply to the load is mounted on the load device.

  Patent Document 1 and Patent Document 2 disclose techniques for preventing subsequent unauthorized use of a battery module or a load device when the battery module is removed from the load device and stolen.

  In patent document 1, the individual identification code | symbol is attached | subjected to the secondary battery and the secondary battery use apparatus. In addition, the charging device includes a charging circuit, an individual identification code recognition circuit, and a charging control circuit. The individual identification code recognition circuit detects the individual identification code from the secondary battery or the secondary battery using device. The charge control circuit compares the individual identification code detected by the individual identification code recognition circuit with the individual identification code of the rechargeable secondary battery stored in advance, and the charging circuit is charged or stopped according to the comparison result. Switch to state.

  In Patent Document 2, vehicle specifying information and battery specifying information are stored in association in an information database of a management center. And when charging a battery in a vehicle, vehicle specific information and battery specific information are transmitted to a management center from a charging device or a vehicle. The management center compares the received vehicle identification information and battery identification information with the vehicle identification information and battery identification information stored in the information database, and determines a charging permission signal or a charging inhibition signal according to the comparison result, Or send to the vehicle.

  If identification information is attached to each of the battery module and the load device as in Patent Literature 1 and Patent Literature 2, for example, power can be supplied from the battery to the load device only when the identification information of the two matches. For this reason, unauthorized use of the stolen battery module is prevented.

JP 2003-257497 A JP 2012-27594 A

  However, in the conventional battery power control system, a plurality of battery modules and load devices are owned and cannot be used in any combination. For example, each time a battery module is owned and the load module consumes battery power of the battery module, the battery module cannot be replaced. Further, it becomes impossible to reuse one battery module with a plurality of load devices.

  An object of the present invention is to improve usability while preventing unauthorized use of battery modules and load devices.

  The battery power control system according to the present invention includes a battery and a battery module that is detachable from the load device, and an electronic control that is mounted on the load device and controls the power supply of the battery to the load of the load device. A battery power control system comprising: a first storage unit that is provided in the battery module and that stores first identification information; and a second storage that is provided in the electronic control device and stores second identification information. A storage unit; a first reading unit that reads first identification information stored in the first storage unit; a second reading unit that reads second identification information stored in the second storage unit; a first reading unit; The comparison unit comparing the first and second identification information respectively read by the two reading units, and the battery power is supplied to or cut off from the load when the comparison result of the comparison unit satisfies a predetermined condition Switch It includes a power switching unit, the. At least one of the first storage unit and the second storage unit stores a plurality of pieces of identification information. When the comparison result of the comparison unit does not satisfy the predetermined condition, another identification information is read out from the storage unit in which the plurality of identification information is stored, among the first storage unit and the second storage unit, and again by the comparison unit The first and second identification information are compared.

  The battery module according to the present invention is a battery module that is detachable from the load device, and includes a battery, a first storage unit that stores first identification information, and a first storage unit stored in the first storage unit. A first reading unit for reading identification information, a second reading unit for reading second identification information stored in a second storage unit included in an electronic control device mounted on the load device, a first reading unit, and a second reading unit. When the comparison result of the first and second identification information respectively read by the comparison unit and the comparison result of the comparison unit satisfy a predetermined condition, the battery power is supplied to or cut off from the load of the load device A power switching unit that switches to At least one of the first storage unit and the second storage unit stores a plurality of pieces of identification information. When the comparison result of the comparison unit does not satisfy the predetermined condition, another identification information is read out from the storage unit in which the plurality of identification information is stored, among the first storage unit and the second storage unit, and again by the comparison unit The first and second identification information are compared.

  An electronic control device according to the present invention is an electronic control device that controls the supply of electric power of a battery that is mounted on a load device having a load and that is detachable from the load device to a load of a battery. A first reading unit that reads the first identification information stored in the first storage unit of the battery module, a second storage unit that stores the second identification information, and the second identification information stored in the second storage unit. A second reading unit to be read, a comparison unit that compares the first and second identification information respectively read by the first reading unit and the second reading unit, and a comparison result of the comparison unit satisfies a predetermined condition; A power switching unit that switches the power of the battery included in the module to be supplied to or cut off from the load. At least one of the first storage unit and the second storage unit stores a plurality of pieces of identification information. When the comparison result of the comparison unit does not satisfy the predetermined condition, another identification information is read out from the storage unit in which the plurality of identification information is stored, among the first storage unit and the second storage unit, and again by the comparison unit The first and second identification information are compared.

  According to the above, the identification information of the use candidates is stored in advance in the first storage unit of the battery module and the second storage unit of the electronic control device mounted on the load device, and the identification information of the both storage units is compared. When the result satisfies a predetermined condition, the battery power of the battery module is supplied to or cut off from the load of the load device. For this reason, for example, unauthorized use of a battery module or a load device that has been stolen and for which identification information of use candidates is not stored can be prevented.

  Further, when a plurality of at least one of the battery module and the load device is owned, each of the identification information is stored in the first storage unit of the battery module or the second storage unit of the electronic control device as a use candidate. As a result, even if the battery module and the load device that are candidates for use are connected in any combination, the identification information stored in the first storage unit and the second storage unit is compared several times with different combinations. Thus, the comparison result satisfies a predetermined condition. For this reason, the usability of the battery module and the load device can be improved.

  In the present invention, when the first and second identification information match as a result of the comparison in the comparison unit, the power switching unit may be switched to supply the battery power to the load. Further, if the first and second identification information do not match as a result of the comparison by the comparison unit, the first storage unit and the second storage unit are separated from the storage unit storing a plurality of identification information. The first and second identification information may be compared again by the comparison unit. Furthermore, even if the comparison unit compares the first and second identification information in all combinations, if the identification information does not match, the power switching unit shuts off the battery power from the load. You may switch to.

  Furthermore, in the present invention, in the battery power control system, the first readout unit, the second readout unit, and the comparison unit may be provided in the battery module or the electronic control device.

  According to the present invention, usability can be improved while preventing unauthorized use of battery modules and load devices.

It is the figure which showed the structure of the battery power control system by 1st Embodiment of this invention. 2 is a flowchart showing an operation of the electronic control device of FIG. 1. 2 is a flowchart showing the operation of the battery module of FIG. It is the figure which showed the structure of the battery power control system by 2nd Embodiment of this invention. 5 is a flowchart showing an operation of the electronic control device of FIG. It is the flowchart which showed operation | movement of the battery module of FIG. It is the figure which showed the structure of the battery power control system by 3rd Embodiment of this invention. It is the flowchart which showed the operation | movement of the electronic controller of FIG. It is the flowchart which showed operation | movement of the battery module of FIG. It is the figure which showed the structure of the battery power control system by 4th Embodiment of this invention. It is the flowchart which showed the operation | movement of the electronic controller of FIG. It is the flowchart which showed operation | movement of the battery module of FIG. It is the figure which showed the structure of the battery power control system by 5th Embodiment of this invention. It is the figure which showed the structure of the battery power control system by 6th Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals.

  First, the configuration of the battery power control system 101 of the first embodiment will be described with reference to FIG.

  The battery power control system 101 includes a plurality of battery modules 2 and an electronic control device 3 mounted on the load device 1.

  The battery module 2 includes a control unit 20, a storage unit 25, and a battery 26. The control unit 20 is composed of a microcomputer. The memory | storage part 25 consists of memory and has an area | region which can memorize | store one identification information. In the area of the storage unit 25, identification information of each battery module 2 is stored in advance.

  Specifically, for example, when the battery module 2 is manufactured or purchased, “identification information C” is stored in the storage unit 25 of the battery module 2c. Further, “identification information B” is stored in the storage unit 25 of the battery module 2b. Further, “identification information A” is stored in the storage unit 25 of the battery module 2a. Furthermore, “identification information D” is stored in the storage unit 25 of the battery module 2d. The storage unit 25 of the battery module 2 is an example of the “first storage unit” in the present invention, and each of the identification information A to D stored in the storage unit 25 is an example of the “first identification information” in the present invention. (The same applies to FIG. 7 described later).

  The battery 26 of the battery module 2 is an assembled battery and is charged by a charger (not shown). The battery module 2 is detachable from the load device 1.

  The load device 1 is composed of, for example, an electric motorcycle, and includes an electronic control device 3, a power switching unit 14, and a load 16.

  By attaching the battery module 2 to the load device 1, the battery module 2 and the electronic control device 3 are electrically connected. Further, the battery 26 of the battery module 2 and the load 16 of the load device 1 are also electrically connected. The load 16 includes, for example, a traveling motor and a control circuit for the motor.

  The electronic control unit 3 controls the supply of power from the battery 26 of the battery module 2 to the load 16. The electronic control device 3 includes a control unit 10 and a storage unit 15. The control unit 10 includes a microcomputer and includes identification information reading units 11 and 12 and a comparison unit 13.

  The storage unit 15 includes a memory and has an area where a plurality of pieces of identification information can be stored. In each area of the storage unit 15, identification information (“identification information A”, “identification information B”, “identification information C”) of a plurality of battery modules 2a, 2b, and 2c that are use candidates is stored in advance. Yes. Specifically, for example, when each battery module 2a, 2b, 2c is purchased, identification information of the battery modules 2a, 2b, 2c is stored in each area of the storage unit 15. The storage unit 15 of the electronic control device 3 is an example of the “second storage unit” in the present invention, and the plurality of identification information A to C stored in the storage unit 15 is the “second identification information” in the present invention. This is an example (the same applies to FIGS. 7, 13 and 14 described later).

  The battery module 2d is a stolen product, for example, and is not a candidate for use of the load device 1. For this reason, the identification information (“identification information D”) of the battery module 2 d is not stored in the storage unit 15 of the electronic control device 3.

  The identification information reading unit 11 reads the identification information stored in the storage unit 25 of the battery module 2 (battery module 2c in the case of FIG. 1) connected to the load device 1. The identification information reading unit 12 reads the identification information stored in the storage unit 15 of the electronic control device 3. The identification information reading unit 11 is an example of a “first reading unit” in the present invention, and the identification information reading unit 12 is an example of a “second reading unit” in the present invention (in FIGS. 10 and 13 described later). The same).

  The comparison unit 13 compares the identification information read by the identification information reading units 11 and 12 respectively. For example, the identification information (“identification information C”) stored in the storage unit 25 of the battery module 2 c out of the battery module 2 c and the load device 1 in the connected state in FIG. The stored identification information (“identification information A”, “identification information B”, or “identification information C”) is compared by the comparison unit 13.

  The power switching unit 14 includes a switching element and a control circuit for the element. The power switching unit 14 is provided on a power supply line from the battery 26 of the battery module 2 c in the connected state to the load 16 of the load device 1.

  The power switching unit 14 switches the power of the battery 26 to be supplied to or cut off from the load 16 when the comparison result by the comparison unit 13 satisfies a predetermined condition. The load 16 is driven by the power supplied from the battery 26.

  Next, operations of the electronic control device 3 and the battery module 2 according to the first embodiment will be described with reference to FIGS. 2 and 3.

  When the user performs a predetermined starting operation in a state where the load device 1 and any one of the battery modules 2 are connected and the load 16 is stopped, the control unit 10 of the electronic control device 3 instructs the start of the load 16. (Step S1: YES in FIG. 2). And the identification information memorize | stored in the memory | storage part 25 of the connected battery module 2 is read by the identification information reading part 11 (step S2).

  The control unit 20 of the battery module 2 transmits the identification information stored in the storage unit 25 in response to reading from the identification information reading unit 11 of the electronic control device 3 (step S12 in FIG. 3).

  Moreover, the control part 10 of the electronic control apparatus 3 reads the identification information memorize | stored in the memory | storage part 15 by the identification information reading part 12 (step S3 of FIG. 2). At this time, only one piece of identification information may be read from the storage unit 15 and output from the identification information reading unit 12 to the comparison unit 13. Alternatively, all the identification information may be read from the storage unit 15, one of the identification information may be output to the comparison unit 13, and the other identification information may be held by the identification information reading unit 12.

  Then, the identification information of the battery module 2 read by the identification information reading unit 11 and the identification information of the load device 1 read by the identification information reading unit 12 are compared one-to-one by the comparison unit 13 (step S4).

  If the identification information does not match as a result of the comparison by the comparison unit 13 (step S5: NO), it is confirmed whether or not the comparison of the identification information of all combinations is completed (step S7). At this time, if there is identification information that has not been compared yet and is stored in the storage unit 15 of the electronic control unit 3, it is determined that comparison of identification information of all combinations has not been completed (step S7: NO). Then, the combination of identification information to be compared is changed (step S9). That is, the identification information of the load device 1 is changed while the identification information of the battery modules 2a to 2d remains unchanged.

  When only one piece of identification information is read from the storage unit 15 of the electronic control unit 3 and output from the identification information reading unit 12 to the comparison unit 13 in step S3, another identification information is stored in the storage unit 15 in step S9. It suffices to read out the information from the identification information reading unit 12 and output it to the comparison unit 13.

  Further, when all the identification information is read from the storage unit 15 in step S3, one of the identification information is output to the comparison unit 13, and another identification information is held in the identification information reading unit 12, in step S9, One piece of other identification information may be output from the identification information reading unit 12 to the comparison unit 13.

  Then, the comparison unit 13 again compares the identification information of the battery module 2 with the identification information of the load device 1 on a one-to-one basis (step S4). When any one of the use candidate battery modules 2a to 2c is connected to the load device 1, the identification information matches in the first to third steps S4 (step S5: YES). In this case, the control unit 10 switches on the power switching unit 14 (closed state), supplies the power of the battery 26 of the connected battery modules 2a to 2c to the load 16 (step S6), and starts the load 16 (Step S10).

  On the other hand, when a battery module 2d that is not a candidate for use is connected to the load device 1, even if step S4 is executed three times, the identification information does not match (step S5: NO), and comparison of the identification information of all combinations is performed. Is completed (step S7: YES). In this case, the control unit 10 switches off the power switching unit 14 (open state), cuts off the power of the battery 26 of the connected battery module 2d from the load 16 (step S8), and stops the load 16 (Step S11).

  According to the first embodiment, the identification information is stored in advance in the storage unit 25 of the battery module 2, and the identification information of the plurality of battery modules 2 a to 2 c that are use candidates is stored in the storage unit 15 of the electronic control device 3 in advance. Yes.

  For this reason, for example, when a battery module 2d that is not a stolen use candidate is connected to the load device 1, the identification information of the storage unit 25 of the battery module 2d and the identification information of the storage unit 15 of the electronic control device 3 are Even if the combination is changed many times, the identification information does not match. Therefore, the power of the battery 26 of the battery module 2d is not supplied to the load 16 of the load device 1. Therefore, unauthorized use in the load device 1 of the battery module 2d in which the use candidate identification information is not stored can be prevented.

  This effect can be similarly obtained when, for example, the load device 1 is a stolen product and a battery module 2 that is not a use candidate for the load device 1 is connected. That is, unauthorized use of the battery module 2 and the load device 1 that do not store the matching identification information can be prevented.

  When the user owns a plurality of battery modules 2a to 2c as use candidates and is connected to the load device 1 in any combination, the identification information of the storage unit 25 of the battery modules 2a to 2c and the electronic control device 3 The identification information in the storage unit 15 is matched by changing the combination several times. Thereby, the electric power of the battery 26 of the battery modules 2 a to 2 c is supplied to the load 16 of the load device 1. Therefore, for example, whenever the power of the battery 26 of any one of the battery modules 2a to 2c is consumed by the load device 1, it can be replaced with another battery module 2a to 2c, and a plurality of battery modules 2a to 2c and loads Usability of the device 1 can be improved.

  Furthermore, since the identification information reading units 11 and 12 and the comparison unit 13 are provided in the electronic control device 3 and the power switching unit 14 is provided in the load device 1, the configuration of the battery module 2 can be simplified. In addition, the number of processes executed by the battery module 2 and the number of communications between the battery module 2 and the electronic control device 3 can be reduced.

  Next, the configuration of the battery power control system 102 of the second embodiment will be described with reference to FIG.

  The battery power control system 102 includes an electronic control device 3 and a battery module 2 that are respectively mounted on a plurality of load devices 1.

  The load device 1 includes an electronic control device 3, a power switching unit 14, and a load 16. The electronic control device 3 includes a control unit 10 'and a storage unit 15'. The control unit 10 'is composed of a microcomputer. The storage unit 15 ′ includes a memory and has an area where one piece of identification information can be stored. Identification information of each load device 1 is stored in advance in the area of the storage unit 15 ′.

  Specifically, for example, when the load device 1 is manufactured or purchased, “identification information C” is stored in the storage unit 15 ′ of the electronic control device 3 c of the load device 1 c. Further, “identification information A” is stored in the storage unit 15 ′ of the electronic control unit 3 a of the load device 1 a. Further, “identification information B” is stored in the storage unit 15 ′ of the electronic control device 3 b of the load device 1 b. Furthermore, “identification information D” is stored in the storage unit 15 ′ of the electronic control device 3 d of the load device 1 d. The storage unit 15 ′ of the electronic control device 3 is an example of the “second storage unit” in the present invention, and each of the pieces of identification information A to D stored in the storage unit 15 ′ is “second identification information” in the present invention. Is an example (the same applies to FIG. 10 described later).

  The battery module 2 includes a control unit 20 ′, a storage unit 25 ′, and a battery 26. The control unit 20 ′ includes a microcomputer and includes identification information reading units 21 and 22 and a comparison unit 23.

  The storage unit 25 'includes a memory and has an area where a plurality of pieces of identification information can be stored. In each area of the storage unit 25 ′, identification information (“identification information A”, “identification information B”, “identification information C”) of a plurality of load devices 1a, 1b, and 1c that are use candidates is stored in advance. ing. Specifically, for example, when the load devices 1a, 1b, and 1c are purchased, the identification information of the load devices 1a, 1b, and 1c is stored in each area of the storage unit 25 '. The storage unit 25 ′ of the battery module 2 is an example of the “first storage unit” in the present invention, and the plurality of pieces of identification information A to C stored in the storage unit 25 ′ are “first identification information” in the present invention. (The same applies to FIGS. 10, 13 and 14 described later).

  The load device 1d is not a candidate for using the battery module 2. For this reason, the storage unit 25 ′ of the battery module 2 does not store the identification information (“identification information D”) of the load device 1 d.

  The identification information reading unit 21 reads the identification information stored in the storage unit 25 ′ of the battery module 2. The identification information reading unit 22 is stored in the storage unit 15 ′ of the electronic control device 3 (in the case of FIG. 4, the electronic control device 3c of the load device 1c) mounted on the load device 1 connected to the battery module 2. Read identification information. The identification information reading unit 21 is an example of the “first reading unit” in the present invention, and the identification information reading unit 22 is an example of the “second reading unit” in the present invention (in FIGS. 7 and 14 described later). The same).

  The comparison unit 23 compares the identification information read by the identification information reading units 21 and 22, respectively. For example, the identification information (“identification information A”, “identification information B”, or “identification information” stored in the storage unit 25 ′ of the battery module 2 out of the battery module 2 and the load device 1c in the connected state in FIG. C ”) and the identification information (“ identification information C ”) stored in the storage unit 15 ′ of the electronic control unit 3c of the load device 1c are compared by the comparison unit 23.

  The comparison result of the comparison unit 23 is transmitted from the battery module 2 to the electronic control device 3 of the connected load device 1. The power switching unit 14 switches the power of the battery 26 of the connected battery module 2 to be supplied to or cut off from the load 16 when the comparison result by the comparison unit 23 satisfies a predetermined condition.

  Next, operations of the electronic control device 3 and the battery module 2 according to the second embodiment will be described with reference to FIGS. 5 and 6.

  In any load device 1, when the battery module 2 is connected and the load 16 is stopped, and there is an instruction to start the load 16 (step S1: YES in FIG. 5), the electronic device of the load device 1 The control unit 10 ′ of the control device 3 transmits an authentication request signal for identification information to the battery module 2 (step S21).

  When the control unit 20 ′ of the battery module 2 receives the authentication request signal (step S31 in FIG. 6: YES), the identification information stored in the storage unit 15 ′ of the electronic control device 3 of the connected load device 1 is Reading is performed by the identification information reading unit 22 (step S32). The control unit 10 ′ of the electronic control device 3 transmits the identification information stored in the storage unit 15 ′ in response to the reading from the identification information reading unit 22 of the battery module 2 (Step S <b> 22 in FIG. 5).

  Further, the control unit 20 'of the battery module 2 reads the identification information stored in the storage unit 25' by the identification information reading unit 21 (step S33 in FIG. 6). At this time, only one piece of identification information may be read from the storage unit 25 ′ and output from the identification information reading unit 21 to the comparison unit 23. Alternatively, all the identification information may be read from the storage unit 25 ′, one of the identification information may be output to the comparison unit 23, and the other identification information may be held by the identification information reading unit 21.

  Then, the identification information of the battery module 2 read by the identification information reading unit 21 and the identification information of the load device 1 read by the identification information reading unit 22 are compared one-to-one by the comparison unit 23 (step S34).

  If the identification information does not match as a result of the comparison by the comparison unit 23 (step S35: NO), it is confirmed whether or not the comparison of the identification information of all combinations is completed (step S37). At this time, if there is identification information that has not yet been compared and stored in the storage unit 25 ′ of the battery module 2, it is determined that comparison of identification information of all combinations has not been completed (step S 37: NO). Then, the combination of identification information to be compared is changed (step S39). That is, the identification information of the battery module 2 is changed without changing the identification information of the load device 1.

  In step S33, when only one piece of identification information is read from the storage unit 25 ′ of the battery module 2 and output from the identification information reading unit 21 to the comparison unit 23, in step S39, another identification information is obtained from the storage unit 25 ′. Only one may be read out and output from the identification information reading unit 21 to the comparison unit 23.

  In step S33, when all the identification information is read out from the storage unit 25 ′, one piece of identification information is output to the comparison unit 23, and another piece of identification information is held in the identification information reading unit 21, step S39. Then, it is only necessary to output one piece of other identification information from the identification information reading unit 21 to the comparison unit 23.

  Then, the comparison unit 23 again compares the identification information of the battery module 2 with the identification information of the load device 1 on a one-to-one basis (step S34). When the battery module 2 is connected to any of the load devices 1a to 1c that are candidates for use, the identification information matches in step S34 for the first to third times (step S35: YES).

  In this case, the control unit 20 ′ of the battery module 2 transmits information indicating that the identification information matches as an authentication result to the electronic control devices 3 a to 3 c of the connected load devices 1 a to 1 c (step S <b> 36). When the control unit 10 ′ of the electronic control devices 3 a to 3 c receives the authentication result from the battery module 2 (step S <b> 23 in FIG. 5: YES), it confirms the contents. If the authentication result indicates that the identification information matches (step S24: YES), the power switching unit 14 is switched on, and the power of the battery 26 of the connected battery module 2 is supplied to the load 16 (step S24). S6), the load 16 is started (step S10).

  On the other hand, when the battery module 2 is connected to the load device 1d that is not a candidate for use, even if step S34 is executed three times, the identification information does not match (step S35: NO), and the comparison of the identification information of all combinations Is completed (step S37: YES).

  In this case, the control unit 20 'of the battery module 2 transmits information indicating that the identification information does not match as an authentication result to the electronic control device 3d of the load device 1d (step S38). When receiving the authentication result from the battery module 2 (step S23 in FIG. 5: YES), the control unit 10 'of the electronic control device 3d confirms the content. If the authentication result does not indicate that the identification information matches (step S24: NO), the power switching unit 14 is switched off to cut off the power of the battery 26 of the battery module 2 from the load 16 (step S8). ), The load 16 is kept stopped (step S11).

  According to the second embodiment, identification information is stored in advance in the storage unit 15 ′ of the electronic control device 3, and identification information of a plurality of load devices 1 a to 1 c that are use candidates is stored in advance in the storage unit 25 ′ of the battery module 2. doing.

  For this reason, for example, when the battery module 2 is connected to the load device 1d that is not the stolen use candidate, the identification information of the storage unit 25 ′ of the battery module 2 and the identification information of the storage unit 15 ′ of the electronic control unit 3d No matter how many times the combinations are changed, the identification information does not match. Therefore, the power of the battery 26 of the battery module 2 is not supplied to the load 16 of the load device 1d. Therefore, unauthorized use of the battery module 2d in which the use candidate identification information is not stored can be prevented.

  This effect can be similarly obtained when, for example, the battery module 2 is a stolen product and a load device 1 that is not a use candidate for the battery module 2 is connected. That is, unauthorized use of the battery module 2 and the load device 1 that do not store the matching identification information can be prevented.

  When the user owns a plurality of load devices 1a to 1c as use candidates and is connected to the battery module 2 in any combination, the identification information of the storage unit 25 ′ of the battery module 2 and the electronic control devices 3a to 3 The identification information is matched by comparing the identification information of the storage unit 15 ′ of 3c by changing the combination several times. Thereby, the electric power of the battery 26 of the battery module 2 is supplied to the load 16 of the load devices 1a to 1c. Therefore, for example, one battery module 2 can be reused by the plurality of load devices 1a to 1c, and usability of the battery module 2 and the plurality of load devices 1a to 1c can be improved.

  Next, the configuration of the battery power control system 103 according to the third embodiment will be described with reference to FIG.

  In the battery power control system 103, the identification information reading units 21 and 22, the comparison unit 23, and the power switching unit 24 are provided in the battery module 2 that stores one piece of identification information in the storage unit 25.

  Specifically, identification information reading units 21 and 22 and a comparison unit 23 are provided in the control unit 20 ′ of the battery module 2. The power switching unit 24 includes a switching element and a control circuit for the element, and is provided on a power supply line from the battery 26 to the load 16 of the load device 1. When the comparison result of the comparison unit 23 satisfies a predetermined condition, the power switching unit 24 switches the power of the battery 26 so as to be supplied to or cut off from the load 16 of the connected load device 1.

  Next, operations of the electronic control device 3 and the battery module 2 according to the third embodiment will be described with reference to FIGS. 8 and 9.

  When the battery module 2 and the load device 1 are connected and the load 16 is stopped, and there is an instruction to start the load 16 (step S1: YES in FIG. 8), the electronic control device mounted on the load device 1 3 control part 10 'transmits the authentication request signal of identification information with respect to the battery module 2 (step S21).

  When the control unit 20 ′ of the battery module 2 receives the authentication request signal (step S31 in FIG. 9: YES), the control unit 20 ′ receives the identification information from the storage unit 15 of the electronic control device 3 of the connected load device 1 and the identification information reading unit. 22 (step S32a). In response to the reading from the identification information reading unit 22, the control unit 10 'of the electronic control device 3 transmits the identification information stored in the storage unit 15 (step S22a in FIG. 8).

  At this time, only one piece of identification information may be read from the storage unit 15 and output from the identification information reading unit 22 to the comparison unit 23. Alternatively, all the identification information may be read from the storage unit 15, one of the identification information may be output to the comparison unit 23, and the other identification information may be held by the identification information reading unit 22.

  Further, the control unit 20 ′ of the battery module 2 reads the identification information stored in the storage unit 25 by the identification information reading unit 21 (step S <b> 33 a in FIG. 9). Then, the identification information of the battery module 2 read by the identification information reading unit 21 and the identification information of the load device 1 read by the identification information reading unit 22 are compared one-to-one by the comparison unit 23 (step S34).

  If the identification information does not match as a result of the comparison by the comparison unit 23 (step S35: NO), it is confirmed whether or not the comparison of the identification information of all the combinations is completed (step S37a). At this time, if there is identification information not yet compared stored in the storage unit 15 of the electronic control unit 3, it is determined that comparison of identification information of all combinations is not completed (step S37a: NO). Then, the combination of identification information to be compared is changed (step S39a). That is, the identification information of the load device 1 is changed while the identification information of the battery module 2 remains unchanged.

  When only one piece of identification information is read from the storage unit 15 of the electronic control unit 3 and output from the identification information reading unit 22 to the comparison unit 23 in step S33a, another identification information is stored in the storage unit 15 in step S39a. It is only necessary to read out the information from the identification information reading unit 22 and output it to the comparison unit 23.

  If all the identification information is read from the storage unit 15 in step S33a, one of the identification information is output to the comparison unit 23, and another identification information is held in the identification information reading unit 22, in step S39a, The identification information reading unit 22 may output another piece of identification information to the comparison unit 23.

  Then, the comparison unit 23 again compares the identification information of the battery module 2 with the identification information of the load device 1 on a one-to-one basis (step S34). When the use candidate battery module 2 is connected to the load device 1, the identification information matches in several times of step S <b> 34 (step S <b> 35: YES).

  In this case, the control unit 20 ′ of the battery module 2 transmits information indicating that the identification information matches as an authentication result to the electronic control device 3 of the load device 1 (step S 36). Further, the power switching unit 24 is switched on, and the power of the battery 26 is supplied to the load 16 (step S40). When receiving the authentication result from the battery module 2 (step S23 in FIG. 8: YES), the control unit 10 'of the electronic control device 3 confirms the content. If the authentication result indicates that the identification information matches (step S24: YES), the load 16 is started with the power supplied from the battery 26 (step S10).

  On the other hand, when a battery module 2 that is not a candidate for use is connected to the load device 1, the identification information does not match (step S35: NO), no matter how many times step S34 in FIG. The information comparison is completed (step S37a: YES).

  In this case, the control unit 20 ′ of the battery module 2 transmits information indicating that the identification information does not match as an authentication result to the electronic control device 3 of the load device 1 (step S <b> 38). Further, the power switching unit 14 is switched off, and the power of the battery 26 is cut off from the load 16 (step S41). When receiving the authentication result from the battery module 2 (step S23 in FIG. 8: YES), the control unit 10 'of the electronic control device 3 confirms the content. If the authentication result does not indicate that the identification information matches (step S24: NO), the load 16 is kept stopped (step S11).

  According to the third embodiment, unauthorized use of the battery module 2 and the load device 1 that do not store matching identification information can be prevented. In addition, it is possible to improve the usability when a plurality of battery modules 2 are possessed.

  Furthermore, since the identification information reading units 21 and 22, the comparison unit 23, and the power switching unit 24 are provided in the battery module 2, the configuration of the load device 1 and the electronic control device 3 can be simplified. In addition, the number of processes executed by the electronic control device 3 and the number of communications between the battery module 2 and the electronic control device 3 can be reduced.

  Next, the configuration of the battery power control system 104 of the fourth embodiment will be described with reference to FIG.

  In the battery power control system 104, identification information reading units 11 and 12 and a comparison unit 13 are provided in the control unit 10 of the electronic control device 3 that stores one piece of identification information in the storage unit 15 ′. Further, the battery module 2 is provided with a power switching unit 24.

  Next, operations of the electronic control unit 3 and the battery module 2 according to the fourth embodiment will be described with reference to FIGS. 11 and 12.

  When the battery module 2 and the load device 1 are connected and the load 16 is stopped, and there is an instruction to start the load 16 (step S1: YES in FIG. 11), the electronic control device mounted on the load device 1 3 reads the identification information memorize | stored in memory | storage part 25 'of the battery module 2 by the identification information reading part 11 (step S2a). In response to the reading from the identification information reading unit 11, the control unit 20 of the battery module 2 transmits the identification information stored in the storage unit 25 '(step S12a in FIG. 12).

  At this time, only one piece of identification information may be read from the storage unit 25 ′ and output from the identification information reading unit 11 to the comparison unit 13. Alternatively, all the identification information may be read from the storage unit 25 ′, one of the identification information may be output to the comparison unit 13, and the other identification information may be held by the identification information reading unit 11.

  Further, the control unit 10 of the electronic control device 3 reads the identification information stored in the storage unit 15 'by the identification information reading unit 12 (step S3a in FIG. 11). Then, the identification information of the battery module 2 read by the identification information reading unit 11 and the identification information of the load device 1 read by the identification information reading unit 12 are compared one-to-one by the comparison unit 13 (step S4).

  If the identification information does not match as a result of the comparison by the comparison unit 13 (step S5: NO), it is confirmed whether or not the comparison of the identification information of all the combinations is completed (step S7a). At this time, if there is identification information not yet compared stored in the storage unit 25 ′ of the battery module 2, it is determined that comparison of identification information of all combinations has not been completed (step S <b> 7 a: NO). Then, the combination of identification information to be compared is changed (step S9a). That is, the identification information of the battery module 2 is changed without changing the identification information of the load device 1.

  In step S3a, when only one piece of identification information is read from the storage unit 25 ′ of the battery module 2 and output from the identification information reading unit 11 to the comparison unit 13, in step S9a, another identification information is obtained from the storage unit 25 ′. It is only necessary to read one and output the identification information reading unit 11 to the comparison unit 13.

  In step S3a, when all the identification information is read from the storage unit 25 ′, one piece of identification information is output to the comparison unit 13, and another piece of identification information is held in the identification information reading unit 11, step S9a. Then, it suffices to output one piece of other identification information from the identification information reading unit 11 to the comparison unit 13.

  Then, the comparison unit 13 again compares the identification information of the battery module 2 with the identification information of the load device 1 on a one-to-one basis (step S4). When the use candidate battery module 2 is connected to the load device 1, the identification information matches in several times of step S <b> 4 (step S <b> 5: YES).

  In this case, the control unit 10 of the electronic control device 3 transmits information indicating that the identification information has been matched to the battery module 2 (step S13). The control part 20 of the battery module 2 will confirm the content, if the comparison result of identification information is received from the electronic control apparatus 3 (step S15 of FIG. 12: YES). If the comparison result indicates that the identification information matches (step S16: YES), the power switching unit 24 is switched on and the power of the battery 26 is supplied to the load 16 (step S17). Then, the control part 10 of the electronic control apparatus 3 starts the load 16 with the electric power of the battery 26 (step S10 of FIG. 11).

  On the other hand, when the battery module 2 that is not a candidate for use is connected to the load device 1, the identification information does not match (step S5: NO) no matter how many times the step S4 is executed, and the identification information of all combinations is compared. Is completed (step S7a: YES).

  In this case, the control unit 10 of the electronic control device 3 transmits to the battery module 2 a fact that they did not match as a comparison result of the identification information (step S14). The control part 20 of the battery module 2 will confirm the content, if the comparison result of identification information is received from the electronic control apparatus 3 (step S15 of FIG. 12: YES). If the comparison result does not indicate that the identification information matches (step S16: NO), the power switching unit 24 is switched off, and the power of the battery 26 is cut off from the load 16 (step S18). For this reason, the control unit 10 of the electronic control device 3 keeps the load 16 stopped (step S11 in FIG. 11).

  According to the fourth embodiment, unauthorized use of the battery module 2 and the load device 1 that do not store matching identification information can be prevented. Further, it is possible to improve the usability when a plurality of load devices 1 are possessed.

  The present invention can employ various embodiments other than those described above. For example, in the above embodiment, the example in which the storage units 15 and 25 ′ having areas capable of storing a plurality of pieces of identification information are provided in either one of the electronic control unit 3 and the battery module 2 has been described. Is not limited to this. In addition to this, for example, as shown in the fifth embodiment in FIG. 13 and the sixth embodiment in FIG. 14, both the electronic control device 3 and the battery module 2 have a storage area that can store a plurality of identification information. Portions 15 and 25 ′ may be provided.

  In this case, if any one of the electronic control device 3 and the battery module 2 is provided with the identification information reading units 11, 12, 21, and 22 and the comparison units 13 and 23 that read the identification information from the storage units 15 and 25 ′. Good. Further, either the electronic control device 3 or the battery module 2 may be provided with all of the identification information reading unit and the comparison unit, or one may be provided with the identification information reading unit, and the other may be provided with the comparison unit. The power switching units 14 and 24 may be provided in the load device 1, the battery module 2, or the electronic control device 3.

  Then, the identification information of the load device 1 read from the storage unit 15 and the identification information of the battery module 2 read from the storage unit 25 ′ are compared on a one-to-one basis by the comparison units 13 and 23. If the identification information does not match as a result of the comparison, the identification information of the load device 1 or the identification information of the battery module 2 may be changed to change the combination of the identification information to be compared and compare the identification information again. .

  In the above embodiment, the electronic control device 3 mounted on the load device 1 including an electric motorcycle and the battery power control systems 101 to 106 including the battery module 2 detachably attached to the load device 1 An example to which the invention is applied is given, but the invention is not limited to this. The present invention can also be applied to other electronic control devices and battery modules for vehicles and electronic devices, and battery power control systems including these.

1, 1a, 1b, 1c, 1d Load device 2, 2a, 2b, 2c, 2d Battery module 3, 3a, 3b, 3c, 3d Electronic control device 11 Identification information reading unit 12 Identification information reading unit 13 Comparison unit 14 Power switching Unit 15, 15 ′ storage unit 16 load 21 identification information reading unit 22 identification information reading unit 23 comparison unit 24 power switching unit 25, 25 ′ storage unit 26 battery 101, 102, 103, 104, 105, 106 battery power control system

Claims (7)

A battery module having a battery and detachable from the load device;
An electronic control device that is mounted on the load device and controls the power supply of the battery to a load of the load device;
A battery power control system comprising:
A first storage unit provided in the battery module for storing first identification information;
A second storage unit provided in the electronic control unit and storing second identification information;
A first reading unit for reading the first identification information stored in the first storage unit;
A second reading unit for reading the second identification information stored in the second storage unit;
A comparison unit for comparing the first and second identification information read by the first reading unit and the second reading unit, respectively;
A power switching unit that switches to supply or cut off the power of the battery when the comparison result of the comparison unit satisfies a predetermined condition;
At least one of the first storage unit and the second storage unit stores a plurality of identification information,
When the comparison result of the comparison unit does not satisfy a predetermined condition, another identification information is read out from the storage unit storing a plurality of identification information among the first storage unit and the second storage unit, and again The battery power control system, wherein the comparison unit compares the first and second identification information. The battery power control system according to claim 1,
As a result of comparison in the comparison unit, when the first and second identification information match, the power switching unit is switched to supply the battery power to the load,
As a result of comparison in the comparison unit, when the first and second identification information do not match, a storage unit in which a plurality of identification information is stored among the first storage unit and the second storage unit The other identification information is read out from the above, and the first and second identification information are compared again by the comparison unit,
Even if the comparison unit compares the first and second identification information in all combinations, if the identification information does not match, the power switching unit is connected to the load with respect to the load. The battery power control system characterized by switching so that it may interrupt | block. The battery power control system according to claim 1 or 2,
The battery power control system, wherein the first reading unit, the second reading unit, and the comparison unit are provided in the battery module or the electronic control device. A battery module that is detachable from a load device,
Battery,
A first storage unit for storing first identification information;
A first reading unit for reading the first identification information stored in the first storage unit;
A second reading unit that reads the second identification information stored in the second storage unit of the electronic control device mounted on the load device;
A comparison unit for comparing the first and second identification information read by the first reading unit and the second reading unit, respectively;
A power switching unit that switches so that the power of the battery is supplied to or cut off from the load of the load device when a comparison result of the comparison unit satisfies a predetermined condition;
At least one of the first storage unit and the second storage unit stores a plurality of identification information,
When the comparison result of the comparison unit does not satisfy a predetermined condition, another identification information is read out from the storage unit storing a plurality of identification information among the first storage unit and the second storage unit, and again The battery module, wherein the comparison unit compares the first and second identification information. The battery module according to claim 4,
As a result of comparison in the comparison unit, when the first and second identification information match, the power switching unit is switched to supply the battery power to the load,
As a result of comparison in the comparison unit, when the first and second identification information do not match, a storage unit in which a plurality of identification information is stored among the first storage unit and the second storage unit The other identification information is read out from the above, and the first and second identification information are compared again by the comparison unit,
Even if the comparison unit compares the first and second identification information in all combinations, if the identification information does not match, the power switching unit is connected to the load with respect to the load. A battery module characterized by switching to block. An electronic control device that controls the supply of battery power to a load that is mounted on a load device having a load and that is detachable from the load device.
A first reading unit for reading first identification information stored in a first storage unit of the battery module;
A second storage unit for storing second identification information;
A second reading unit for reading the second identification information stored in the second storage unit;
A comparison unit for comparing the first and second identification information read by the first reading unit and the second reading unit, respectively;
A power switching unit that switches to supply or cut off the power of the battery included in the battery module when the comparison result of the comparison unit satisfies a predetermined condition;
At least one of the first storage unit and the second storage unit stores a plurality of identification information,
When the comparison result of the comparison unit does not satisfy a predetermined condition, another identification information is read out from the storage unit storing a plurality of identification information among the first storage unit and the second storage unit, and again An electronic control device, wherein the comparison unit compares the first and second identification information. The electronic control device according to claim 6.
As a result of comparison in the comparison unit, when the first and second identification information match, the power switching unit is switched to supply the battery power to the load,
As a result of comparison in the comparison unit, when the first and second identification information do not match, a storage unit in which a plurality of identification information is stored among the first storage unit and the second storage unit The other identification information is read out from the above, and the first and second identification information are compared again by the comparison unit,
Even if the comparison unit compares the first and second identification information in all combinations, if the identification information does not match, the power switching unit is connected to the load with respect to the load. An electronic control device characterized by switching so as to shut off.

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