JP2011244563A - Cooperative charging system and charging method of battery charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To control charging of each battery charger so as not to bring a local power distribution system into unstable state by preventing a power peak from being generated by charging when charging the battery charger to be used for an electric motorcar or the like.SOLUTION: A processing section 10 uses a charging state detector 9 to notify charging information of a battery charger BAT to a data center 2 periodically. A CPU 4 uses the charging information of the battery charger BAT notified from facilities 3 and a priority of the facilities 3 stored in a database 5 to perform charging scheduling for each facility 3. When a determined time is defined as a charging time zone, in accordance with the priority within that time, charging scheduling is performed for scheduling the required capacity of the facility 3 to be charged, a charging end time, and a charging mode (normal/quick charging mode) of the battery charger BAT. The charging schedule determined by the data center 2 is transferred to each facility 3 via a network NW as charging schedule information and on the basis of the charging schedule information, a control section 13 of each facility 3 controls charging of the battery charger BAT.

Description

  The present invention relates to a power distribution technology in a rechargeable battery such as an electric vehicle, and more particularly to a technology effective for control for suppressing an artificial peak of power distribution when charging a plurality of electric vehicles or the like.

  Rechargeable batteries are used in various electronic and electrical devices such as automobiles and mobile phones. By using a rechargeable battery, electronic / electrical equipment can be operated in a place where commercial power is not supplied.

  Rechargeable batteries are used in automobiles for applications such as internal electronic equipment or lighting, but when not used for a long period of time, there is a case where the battery is discharged due to a decrease in charge capacity due to discharge.

  As a technique for avoiding this battery exhaustion, for example, when it is detected that the on-vehicle rechargeable battery is in an insufficient capacity state, it is transmitted by wireless communication from the communication device of the vehicle to the user's communication terminal via the network. Is known (see Patent Document 1).

  Not only a rechargeable battery of an automobile but also a method of transmitting a shortage of charging capacity of a portable electronic device to a user's communication terminal by wireless communication and a technique using wired as a communication form are known. These technologies make it possible to transmit the capacity of the rechargeable battery to the user.

   When equipment such as an air conditioner is used at the same time in a plurality of facilities, an artificial peak may be temporarily generated in a building or facility group having them. In buildings, such as buildings, the contract power is set, and if the power consumption exceeds the contract at the peak, the breaker is shut off.

  In a demand contract method in which a contract is made between the owner of a building or facility group and a power company, the contract fee is set based on the maximum power consumption for each predetermined time period.

  By smoothing the peak of power consumption, the maximum power can be lowered and the contract fee can be lowered. In order to smooth the peak power, as a technology to control equipment, for example, the operating time and predicted power information of equipment in multiple facilities are sent to the overall controller called the controller, and the target maximum power in the demand contract is obtained. It is known that the controller side notifies each facility to change the operation time of the device so as to satisfy the requirement, and the facility device is operated accordingly (see Patent Document 2).

  Here, the equipment assumed in the facility is equipment that consumes power, such as refrigerators, air conditioners, and lighting, and it is assumed that regular power is consumed. Control items.

JP 2004-142661 A JP 2008-236913 A

  However, the present inventors have found that there are the following problems in the charge control technology for a plurality of rechargeable batteries as described above.

  In the future, when electric vehicles (EV) become widespread, rechargeable batteries built into electric vehicles will be placed in each household, and charging will be performed according to the remaining capacity of daily charging. Since the electric vehicle consumes a large amount of power, if the households start charging all at once, an artificial peak occurs, which may affect the power distribution system in the area where charging is performed.

  As described above, Patent Document 1 describes a technique for transmitting the capacity of a rechargeable battery to a user, and Patent Document 2 plans the power consumption of devices in a plurality of facilities by a controller, and determines the operation time of the facility according to the plan. However, it is not considered to plan and carry out charging in local electric vehicles.

  The object of the present invention is to maximize the power supply according to the situation of the power distribution system so that a peak does not occur when the charging of a plurality of rechargeable batteries used in an electric vehicle or the like is started and the local power distribution system does not become unstable. An object of the present invention is to provide a technique capable of efficiently controlling charging of each rechargeable battery while suppressing power.

  The above and other objects and novel features of the present invention will be apparent from the description of this specification and the accompanying drawings.

  Of the inventions disclosed in the present application, the outline of typical ones will be briefly described as follows.

  The present invention includes time slot information indicating in which time slot charging is completed among at least two time slots indicating a charging state of the rechargeable battery and a preset charging end time of the rechargeable battery. After making a charge plan from the charge information, a charge plan unit that is distributed as charge plan information, and connected to the charge plan unit via the network, sending charge information to the charge plan unit via the network, and charging via the network A plurality of charge control units that perform charge control of the connected rechargeable battery based on the charge plan information distributed from the plan unit, and the charge plan unit includes registration information of the plurality of charge control units, and charge control The unit has a priority made up of information that receives the same profit on average, and charging of the rechargeable battery is started based on the charge information transmitted from the plurality of charge control units and the priority. During, and transmits the charging control unit of each as a charging plan information make a charging plan that includes charging end time, and a charge mode.

  Further, according to the present invention, the charge control unit is connected to a rechargeable battery, and is connected to the breaker unit that controls supply or stop of power supplied to the rechargeable battery based on a power control signal. A charging state detection unit for detecting a charging state of the rechargeable battery, charging state detected by the charging state detection unit, and charging information including time slot information is transmitted to the charging planning unit via the network, and the charging plan And a processing unit that generates a power control signal and controls the operation of the breaker unit based on the charging plan information input from the unit via the network. The charging plan unit includes registration information and priority of the charging control unit. The charging time of the rechargeable battery is calculated from the database storing the charging information transmitted from the charging control unit and the charging state detected by the charging state detection unit, and all charging times are calculated according to the calculated charging time. It is determined whether or not the rechargeable battery connected to the control unit is exclusively charged in the time slot indicated in the time slot information. If the charging plan information including the charging start time and charging end time is transmitted through the network and charging is not completed in the time slot, any priority is used so that charging is completed in the time slot. And a calculation unit that changes the charging mode of the rechargeable battery and transmits charging plan information including a charging start time, a charging end time, and a charging mode to each charging control unit via a network.

  Furthermore, in the present invention, when the charging unit does not complete charging within the time slot, the calculating unit sets the charging mode to be changed to the quick charging mode, and performs a process of assigning the charging control units registered in the database in order. .

  Further, according to the present invention, the charge state detection unit detects a charge state of the rechargeable battery being charged, and outputs a charge end signal to the processing unit when the rechargeable battery is fully charged. When the charging end signal is input, charging of the rechargeable battery is ended even if the charging end time of the rechargeable battery according to the charging plan information has not been reached.

  Further, according to the present invention, the charging control unit includes a wireless communication unit that performs wireless communication with a network.

  Moreover, the outline | summary of the other invention of this application is shown briefly.

  The present invention relates to a plurality of charge control units that charge connected rechargeable batteries based on the charge plan information, and a charge plan that is connected to the charge control unit via a network and transmits the charge plan information to the charge control unit. Charging method using a cooperative charging system provided with a charging unit, wherein the charging control unit detects the charging state of the connected rechargeable battery, and detects the charging state and a preset charging state. A step of transmitting charging information including time slot information indicating in which time slot of at least two time slots indicating the charging end time of the battery, and the charging planning unit transmits via the network The charge time of the rechargeable battery is calculated from the charge state included in the charged charge information, and the rechargeable batteries connected to all charge control units by the calculated charge time are time slot information. The step of determining whether or not to charge exclusively in the indicated time slot and the charging plan unit determines that all the rechargeable batteries are charged exclusively. Charge plan information including the battery charge start time and charge end time is sent to the charge control unit via the network, and if the charge is not completed within the time slot, the charge control is performed so that the charge is completed within the time slot. Change the charging mode of any rechargeable battery using a priority consisting of information that the average receives the same benefits, and charge information including charging start time, charging end time, and charging mode via each network The charging control unit includes a step of transmitting to the charging control unit and a step of charging the rechargeable battery based on the received charging plan information.

  Further, according to the present invention, the change of the charging mode according to the priority assigns the quick charging mode in order by a round robin method.

  Furthermore, the present invention includes a step of ending charging of the rechargeable battery when the rechargeable battery is fully charged during charging of the rechargeable battery, even if the charging end time of the rechargeable battery according to the charging plan information has not been reached. is there.

  Among the inventions disclosed in the present application, effects obtained by typical ones will be briefly described as follows.

  (1) Since charging of rechargeable batteries connected to a plurality of charge control units can be controlled exclusively and efficiently, it is possible to prevent the occurrence of artificial power distribution peak due to concentration of charging. it can.

  (2) Moreover, it becomes possible to set a charging plan so that it can receive the same profit on the average for each rechargeable battery by performing charging using the quick charge mode or the like based on the priority. .

It is explanatory drawing which shows an example of a structure of the center cooperation charge system by Embodiment 1 of this invention. It is explanatory drawing which showed an example of the charge plan algorithm in the data center provided in the center cooperation charge system of FIG. It is explanatory drawing which showed an example of the charge plan algorithm when the capacity | capacitance required for charge of a rechargeable battery changed in FIG. It is explanatory drawing which showed an example of the charge plan algorithm at the time of the charge completion time contained in the charge information notified from the facility differing among the conditions of FIG. It is a flowchart which shows an example of the operation | movement in the center cooperation charge system of FIG. It is explanatory drawing which shows an example of a structure of the center cooperation charge system by Embodiment 2 of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that components having the same function are denoted by the same reference symbols throughout the drawings for describing the embodiment, and the repetitive description thereof will be omitted.

(Embodiment 1)
FIG. 1 is an explanatory diagram showing an example of the configuration of a center linked charging system according to Embodiment 1 of the present invention, and FIG. 2 shows an example of a charging plan algorithm in a data center provided in the center linked charging system of FIG. 3 is an explanatory diagram showing an example of a charging plan algorithm when the capacity required for charging the rechargeable battery in FIG. 2 is changed, and FIG. 4 is notified from the facility among the conditions of FIG. FIG. 5 is an explanatory diagram showing an example of the charging plan algorithm when the charging end times included in the charging information are different, and FIG. 5 is a flowchart showing an example of the operation in the center cooperative charging system of FIG.

  In this Embodiment 1, the center cooperation charge system 1 is comprised from the data center (CET) 2 and the some facility 3 as shown in FIG. The data center 2 and the plurality of facilities 3 are connected to each other by a network NW.

  The data center 2 includes a plurality of CPUs (Central Processing Units) 4, a database 5, and a network control unit 6. The CPU 4 manages all the controls in the data sensor 2. The database 5 stores various data and programs. The network control unit 6 controls network communication with a distribution board 7 described later, and serves as an interface for the network NW.

  Further, the facility 3 includes a distribution board 7, a plug 8, and a charge state detector 9. The distribution board 7 includes a processing unit 10 and a breaker 11. The processing unit 10 includes a network control unit 12, a control unit 13, a timer 14, and a memory 15.

  The network control unit 12 controls network communication with the data center 2 and serves as an interface for the network NW. The control unit 13 controls the distribution board 7. The timer 14 manages time. The memory 15 holds information. The breaker 11 supplies power to or disconnects the plug 8.

  A charge state detector 9 is connected to the plug 8, and a socket used when charging the rechargeable battery BAT mounted on the electric vehicle EV or the like is connected to the plug 8. The charge state detector 9 detects the charge state of the rechargeable battery BAT connected to the plug 8 and detects charging information.

  Next, the operation of the center cooperative charging system 1 in the first embodiment will be described.

  First, the processing unit 10 in each facility 3 uses the charging state detector 9 that monitors the charging state of the rechargeable battery BAT to send charging information of the rechargeable battery BAT to the data center 2 at a fixed time (for example, PM 11:00). Notice.

  The charging information notified to the data center 2 by the charging state detector 9 is information such as time slot information of the rechargeable battery BAT and a remaining capacity of the rechargeable battery BAT (or a charging capacity to be charged).

  The time slot information is information indicating in which time slot the charging of the rechargeable battery BAT is to be terminated among two or more preset time slots, and the time slot information is stored in the memory 15 or the like in advance. Has been.

  In the data center 2, the CPU 4 makes a charging plan for each facility 3 using the charging information of the rechargeable battery BAT notified from each facility 3 and the priority of each facility 3 stored in the database 5.

  Here, the priority of each facility is information for allowing each facility to receive the same profit on average, and is stored in the database 5 of the data center 2 or the like. In this case, the priority is, for example, information used to make the use of nighttime power or the quick charge mode on the average in each facility.

  If a predetermined time, for example, 7 hours from AM 12:00 to AM 7:00, is set as a charging time zone, the charging required capacity of each facility 3, the charging end time, and the charging mode of the rechargeable battery BAT in accordance with the priority within that time Develop a charging plan that schedules (normal mode / rapid charging mode). A specific algorithm for the charging plan will be described later.

  Thereafter, the charging plan determined by the data center 2 is transmitted as charging plan information to each facility 3 via the network NW. The transmitted charging plan information includes a charging mode, a charging start time, and a charging end time.

  In each facility 3, the received charging plan information is stored in the memory 15 of the processing unit 10. Thereafter, the control unit 13 performs charging control of the rechargeable battery BAT based on the charging plan information stored in the memory 15.

  When the charging start time is reached, the control unit 13 uses the timer 14 to turn on the power of the breaker 11 to which the rechargeable battery BAT is connected, and controls the rechargeable battery BAT to start charging. Charging of the rechargeable battery BAT is performed by the control unit 13 using the charge mode information included in the charge plan information stored in the memory 15. For example, it is assumed that switching to a higher voltage is performed in the quick charge mode.

  When the charging end time is reached by the measurement of the timer 14, the control unit 13 turns off the power of the breaker 11 to which the rechargeable battery BAT is connected, and ends the charging of the rechargeable battery BAT. Further, while the rechargeable battery BAT is being charged, the charging state detector 9 detects the charged state of the rechargeable battery BAT, and when the rechargeable battery BAT is fully charged, the processing unit 10 is fully charged. Notify that

  Even before the charging end time of the rechargeable battery BAT, the control unit 13 turns off the power supply of the breaker 11 and performs the charging operation when the signal indicating that the charging state detector 9 detects full charging is input. May be stopped.

  Next, the charging plan algorithm of the data center 2 will be described with reference to FIGS.

  2 to 4, the horizontal axis represents the date. Also, the lower diagrams of FIGS. 2 to 4 respectively show the facilities that use the quick charge mode, and the facilities that use the quick charge mode are represented by 'T'.

  Information using this quick charge mode may be replaced with the priorities described above. 2 to 4, A, B, C, and D on the vertical axis indicate the names of the facilities 3 and are in the order registered in the database 5.

  Further, the charging time is 7 hours, and the 7 hours are divided into two time slots TS1, TS2 (time slot information). The time slots TS1 and TS2 indicate whether charging should be terminated at any time of the time slot TS1 or the time slot TS2 in the time slot information included in the charging information.

  First, in FIG. 2, for the sake of simplicity, it is assumed that charging is required for 2 hours at each facility, the charging start time is 0:00, and the charging end times are all 7 hours later (time slot TS2).

  Under this premise, since each facility is operated exclusively, 2 (hours) × 4 (facility) = 8 hours are required. Therefore, in order to keep within the charging time, some facilities are set to the quick charge mode. There is a need.

  Here, for the sake of simplicity, it is assumed that the quick charge mode ends in half the time of the normal charge mode. At this time, if the facility A is set to the rapid mode on the first day (1 day), the charging time is 1 hour which is half of 2 hours, and the charging time of the facilities A to D can be reduced to 7 hours in total.

  In addition, since the charging plan is the same on the second day (2 days), the facility B is set to the quick charging mode. Thereby, the charging time of the facility B is 1 hour, and the charging time of the facilities A to D can be reduced to 7 hours in total.

  Moreover, the facilities which perform quick charge mode are changed into the facilities C and the facilities D after the 3rd day so that it may become a uniform profit in each facility, ie, energy saving. This indicates that the priority is changed from the facility A to the facility B, the facility C, and the facility D in order.

  Thus, the priority (rapid charging mode) is determined by a so-called round robin method in which the rapid charging mode is assigned in the order of the facilities registered in the database 5.

  Moreover, FIG. 3 is explanatory drawing which showed an example when the capacity | capacitance required for charge of the rechargeable battery BAT of the facility A changed among the conditions of FIG.

  In FIG. 3, the rechargeable battery BAT of the facility A is 3 hours on the first day (1 day), 2 hours on the second day (2 day), 1 hour on the third day (3 day), 3 hours on the fourth day (4 day). Time is the time required for charging. The charging time for the facilities B to D is 2 hours from the first day (1 day) to the fourth day (4 day), respectively, as in FIG.

  In this case, on the first day, if only the facility A is set to the quick charge mode, the charge time is 7.5 hours, which is not within 7 hours. Therefore, not only the facility A but also the facility B registered next to the facility A is charged in the quick charge mode, so that the charging time is set to 7 hours.

  In this way, when the charging time does not fit in 7 hours, the rapid mode facility is increased in order until the charging time is within 7 hours.

  FIG. 4 is an explanatory diagram showing an example of a charging plan in the case where the charging end times included in the charging information notified from the facility are different among the conditions of FIG.

  In FIG. 4, for simplification, it is divided into two time slots TS 1 and TS 2, and the charging end time can be set only 3.5 hours after the time slot TS 1 and 7 hours after the time slot TS 2.

  In FIG. 4, on the first day and the second day, the charging end time of all the facilities A to D is 7 hours later. On the third day, the charging end times of the facilities C and D are 3.5 hours later, and on the fourth day, the charging end times of the facilities A and D are 3.5 hours later.

  In this case, the quick charge mode is increased so as to satisfy the required time in each time slot TS1, TS2. The quick charge mode (priority) is changed in the order of facility registration as described above.

  For example, on the first day, the facilities A and B are set to the quick charge mode, so that charging of all the facilities A to D is completed 7 hours after the time slot TS2. On the second day, charging the facilities A to D is completed 7 hours after the time slot TS2 by charging the facility C registered next to the facilities A and B in the quick charge mode.

  On the third day, the charging end time of the facilities C and D is 3.5 hours later (time slot TS1), but the charging time of the rechargeable batteries BAT of the facilities C and D are both 2 hours. Therefore, charging is not completed in 3.5 hours.

  Therefore, a charging plan that satisfies the end time of the time slot TS1 by setting the facility D registered next to the facility C that has entered the rapid charging mode on the second day to the rapid charging mode is set.

  Similarly, on the fourth day, charging is completed in the time slot TS1 for the facilities A and D by making a charging plan in which the facilities A and B are in the quick charging mode, and the facilities B and C are in the time slot TS2. Charging is completed within.

  As a result, the end time can be satisfied in any of the time slots TS1, TS2 on the first day to the fourth day. In addition, even if the rapid charging mode is used in all the facilities A to D, when the end time of the time slot is not satisfied, this algorithm cannot cope with it, so it is necessary to restrict and schedule the facilities to be placed in each time slot in advance. .

  Next, operation | movement of the center cooperation charge system 1 is demonstrated using the flowchart of FIG.

  First, at a regular time (for example, PM 11:00), the data center 2 obtains charging information (such as charging end time of the rechargeable battery BAT in each facility 3 and remaining capacity of the rechargeable battery BAT) from each facility 3 (step 1). S101). The data center 2 makes a charging plan based on the acquired charging information (step S102).

  Subsequently, the facility 3 is arranged in each time slot, and it is checked whether or not the target time has been exceeded (step S103). In the process of step S103, when the target time is exceeded, an arbitrary facility is changed to the rapid mode according to the priority (step S104).

  When all the facilities registered in the database 5 are completed (step S105) and all the time slots satisfy the target time (step S106), the charging plan is completed. .

  Therefore, the data center 2 notifies each facility 3 of charging plan information including a charging start time, a charging end time, and a charging mode (step S107). Each facility 3 stores the notified charging plan information in the memory 15, and based on the charging plan information stored in the memory 15, the control unit 13 turns on the breaker 11 at the charging start time, and is designated. Charging is performed in the charging mode, and when the charging end time is reached, the breaker 11 is turned off (step S108). At this time, the rechargeable battery BAT of the electric vehicle EV may remain inserted into the plug 8.

  In this way, the center cooperative charging system 1 grasps the charging capacity of the rechargeable battery BAT of each facility 3, transmits the desired charging end time to the data center 2 via the network NW, and the charging plan established by the data center 2 Can be transmitted from the data center 2 to each rechargeable battery BAT via the network NW.

  In addition, the data center 2 has the priority of each facility 3 and can make a power plan that can receive a profit such as a nighttime power discount at the same rate in all the facilities 3 and satisfy the desired end time. it can.

  Furthermore, when the charging start time, charging end time, and charging mode are received from the center, charging of the rechargeable battery BAT on the facility 3 side can be controlled.

  As a result, according to the first embodiment, the charging of the rechargeable battery BAT in each facility 3 can be controlled exclusively and efficiently, so that the artificial power distribution due to the concentration of charging of the rechargeable battery BAT is concentrated. It is possible to finish the charging process by the desired charging end time for each facility 3 while preventing the occurrence of the power peak.

  In addition, it is possible to set a charging plan so that each facility 3 can receive the same profit on average by performing charging using a quick charging mode, nighttime power discount, etc. with priority. Become.

(Embodiment 2)
FIG. 6 is an explanatory diagram showing an example of the configuration of the center cooperative charging system according to the second embodiment of the present invention.

  In this Embodiment 2, the center cooperation charge system 1 has shown the example which does not have the process part 10 (FIG. 1) in the distribution board 7, and has the process part 10a in the intelligent charge condition detector 9a. As shown in FIG. 6, each facility 3 includes a distribution board 7 a including a breaker 11, a plug 8, an intelligent charging state detector 9 a, and a network control unit 12.

  The intelligent state of charge detector 9 a includes a state of charge detector 9, a processing unit 10 a, and a switch 16. The processing unit 10 a includes a control unit 13, a timer 14, a memory 15, and a wireless communication unit 17.

  The wireless communication unit 17 performs wireless communication with the network control unit 12 to transmit and receive data. Therefore, information transmitted / received via the network NW is transferred from the network control unit 12 to the wireless communication unit 17 by wireless communication.

  The control unit 13 controls the charging of the rechargeable battery BAT by controlling ON / OFF of the plug 8 or the switch 16 connected between the plug 8 and the rechargeable battery BAT. Moreover, since the function implement | achieved as the center cooperation charge system 1 is the same as that of the said Embodiment 1, description is abbreviate | omitted.

  As mentioned above, the invention made by the present inventor has been specifically described based on the embodiment. However, the present invention is not limited to the embodiment, and various modifications can be made without departing from the scope of the invention. Needless to say.

  For example, in the first embodiment, the example in which the network control unit 12 is connected to the network NW by wire in FIG. 1 has been described. However, for example, the network control unit 12 is provided with a wireless communication function, so It is also possible to connect the unit 12 and the network NW by wireless communication.

  The present invention is suitable for a charge control technique when charging a plurality of rechargeable batteries used in an electric vehicle or the like.

1 Center-linked charging system 2 Data center 3 Facility 4 CPU
5 Database 6 Network control unit 7 Distribution panel 7a Distribution panel 8 Plug 9 Charge state detector 9a Intelligent charge state detector 10 Processing unit 10a Processing unit 11 Breaker 12 Network control unit 13 Control unit 14 Timer 15 Memory 16 Switch 17 Wireless Communication Department NW Network EV Electric car BAT Rechargeable battery

Claims (8)

Charging from charging information including time slot information indicating in which time slot charging is completed out of at least two time slots indicating charging state of the rechargeable battery and charging end time of the rechargeable battery set in advance After making a plan, the charge plan section to distribute as charge plan information,
Connected to the charging planning unit via a network, transmits the charging information to the charging planning unit via the network, and connected based on the charging plan information distributed from the charging planning unit via the network. A plurality of charge control units for performing charge control of the rechargeable battery,
The charging plan unit
A plurality of charging control units having registration information, and the charging control unit has a priority composed of information that receives the same profit on average; charging information transmitted from the plurality of charging control units; and the priority Based on this, a charge plan including a charge start time, a charge end time, and a charge mode of the rechargeable battery is established and transmitted as charge plan information to each of the charge control units. In the cooperative charging system according to claim 1,
The charge controller is
The rechargeable battery is connected, and based on a power control signal, a breaker unit that controls supply or stop of power supplied to the rechargeable battery,
A charge state detection unit for detecting a charge state of the rechargeable battery connected to the breaker unit;
Charging information detected by the charging state detection unit and charging information including the time slot information is transmitted to the charging planning unit via the network, and charging plan information input from the charging planning unit via the network And a processing unit that generates the power control signal and controls the operation of the breaker unit,
The charging plan unit
A database that stores registration information of the charging control unit, the priority, and charging information transmitted from the charging control unit;
The charge time of the rechargeable battery is calculated from the charge state detected by the charge state detection unit, and the rechargeable batteries connected to all the charge control units according to the calculated charge time are indicated in the time slot information. It is determined whether or not to be charged exclusively in the slot, and when charging exclusively, the charging plan information including the charging start time and the charging end time of the rechargeable battery in each of the charge control units, If the charging is not completed within the time slot after transmitting via the network, change the charging mode to any rechargeable battery using the priority so that the charging is completed within the time slot, and start charging And a calculation unit that transmits charging plan information including a time, a charging end time, and a charging mode to each of the charging control units via the network. System. In the cooperative charging system according to claim 2,
The calculator is
When the charging is not completed within the time slot, the charging mode to be changed is set to the quick charging mode, and the process of assigning in order of the charging control units registered in the database is performed. In the cooperative charging system according to claim 2,
The charging state detection unit
Detecting the state of charge of the rechargeable battery being charged, and outputting a charge end signal to the processing unit when the rechargeable battery is fully charged,
The processor is
When the charging end signal is input, even if the charging end time of the rechargeable battery according to the charging plan information has not been reached, the charging of the rechargeable battery is ended. In the cooperation charge system according to any one of claims 1 to 4,
The charge controller is
A cooperative charging system comprising a wireless communication unit that performs wireless communication with the network. A plurality of charge control units that charge connected rechargeable batteries based on the charge plan information, a charge plan unit that is connected to the charge control unit via a network, and transmits the charge plan information to the charge control unit; A charging method for a rechargeable battery using a cooperative charging system comprising:
The charging control unit detects a charging state of the connected rechargeable battery, and determines which time out of at least two time slots indicating the detected charging state and a preset charging end time of the rechargeable battery Transmitting charging information including time slot information indicating whether charging has ended in the slot;
The charging planning unit calculates a charging time of the rechargeable battery from a charging state included in charging information transmitted via the network, and charging connected to all the charging control units by the calculated charging time. Determining whether the battery is charged exclusively in the time slot indicated in the time slot information;
When the charging plan unit determines that all the rechargeable batteries are charged exclusively, the charging plan information including a charging start time and a charging end time of the rechargeable battery in each of the charging control units It is transmitted to the charging control unit via a network, and when charging is not completed in the time slot, the charging control unit is averaged to receive the same profit so that charging is completed in the time slot. Changing the charging mode of any of the rechargeable batteries using priority, and transmitting charging information including a charging start time, a charging end time, and a charging mode to each of the charging control units via the network; and
The charging control unit includes a step of charging the rechargeable battery based on the received charging plan information. In the charging method of the rechargeable battery according to claim 6,
The charging mode is changed according to the priority, and is assigned by a round robin method in which quick charging modes are assigned in order. In the charging method of the rechargeable battery according to claim 6,
When the rechargeable battery is fully charged during charging of the rechargeable battery, the rechargeable battery has a step of ending charging even if the charging end time of the rechargeable battery according to the charging plan information has not been reached. Rechargeable battery charging method.

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