JP6638344B2 - Electric vehicle charging control method and device - Google Patents

Description

  The present invention relates to a method and an apparatus for controlling charging of an electric vehicle.

  In a parking lot equipped with a charging device for a plurality of electric vehicles, when charging a plurality of electric vehicles exceeds a rechargeable capacity, by charging a predetermined unit amount in the order of entry to the parking lot, 2. Description of the Related Art There is known a charging system that does not cause unfairness in charging capacity and mileage (for example, see Patent Document 1).

JP 2011-244630 A

  The charging power output from the power source to the electric vehicle depends on the SOC, such that the larger the state of charge (SOC) of the battery, the smaller the charging power output from the power source to the electric vehicle. There are characteristics. However, in the above charging system, the charging schedule is not set in consideration of the characteristics of the charging power according to the SOC, and the charging power of the charging facility has not been used efficiently.

  An object of the present invention is to provide a method and apparatus for controlling charging of an electric vehicle that can execute charging of a plurality of electric vehicles from a common power source with an efficient charging schedule that efficiently uses charging power of a charging facility. It is to provide.

  The present invention acquires the remaining charge capacity of the electric vehicle connected to the charging port, calculates the desired charge completion time based on the time at which the user wants to complete the charge, or acquires the desired charge completion time, Based on the acquired remaining charge capacity, characteristics of the charging power output from the charging facility to the electric vehicle, and the desired charge completion time calculated or obtained for the preceding electric vehicle connected to the charging port earlier. Under the condition that the preceding electric vehicle completes charging within the desired charging completion time, the subsequent electric vehicle connected to the charging port after the preceding electric vehicle Calculating the charging time required for charging, and calculating the charging time required for the subsequent electric vehicle, and calculating or obtaining the desired charging completion time for the subsequent electric vehicle, the time being equal to or less than the desired charging completion time. Set the complete charging schedule charge, so that the charging schedule which is set is executed, to solve the above problems by controlling the charging of the connected electric vehicle to the charging port.

  According to the present invention, since the charge completion time is calculated in consideration of the characteristics of the charge power according to the remaining charge capacity of the electric vehicle, the charge completion time is calculated with high accuracy and a common power source is used in an efficient schedule. It is possible to charge a plurality of electric vehicles.

It is a block diagram showing the outline of the electric vehicle charging system concerning a 1st embodiment of the present invention. 5 is a graph showing a charging characteristic map showing a relationship between SOC of a battery and charging power. FIG. 3 is a time chart of the charging power of the charging system when charging one electric vehicle that outputs the charging characteristic map shown in FIG. 2. 3 is a time chart of charging power of the charging system when charging one electric vehicle that outputs the charging characteristic map shown in FIG. 2 according to a set charging schedule. 6 is a time chart of the charging power of the charging system when the charging of the first electric vehicle is performed according to a set charging schedule. 9 is a time chart of the charging power of the charging system when the charging of the first electric vehicle is performed according to a provisional charging schedule that starts at time sA ′ and ends at desired charging completion time A ′. 9 is a time chart of the charging power of the charging system when the charging of the second electric vehicle is performed according to a provisional charging schedule that starts at the current time and ends at time B. It is a time chart of the charging power of the charging system when the desired charging completion time A ′ of the first electric vehicle is later than the desired charging completion time B ′ of the second electric vehicle. It is a time chart of the charging power of the charging system when the desired charging completion time A 'of the first electric vehicle is earlier than the desired charging completion time B' of the second electric vehicle. 9 is a time chart of the charging power of the charging system when the charging of the first electric vehicle is performed according to a provisional charging schedule that starts at time sA ′ and ends at desired charging completion time A ′. The third car charging of electric vehicles is a time chart of the charging power of the charging system when carried out according to the temporary charging schedule ending time C started at time B _0. It is a time chart of the charging power of the charging system when the desired charging completion time A ′ of the first electric vehicle is later than the desired charging completion time C ′ of the third electric vehicle. It is a time chart of the charging power of the charging system when the desired charging completion time A ′ of the first electric vehicle is earlier than the desired charging completion time C ′ of the third electric vehicle. 2 is a flowchart showing a control procedure of the charge control device shown in FIG. 2 is a flowchart showing a control procedure of the charge control device shown in FIG. 2 is a flowchart showing a control procedure of the charge control device shown in FIG. It is a block diagram showing the outline of the charging system of the electric vehicle concerning a 2nd embodiment of the present invention. It is a flowchart which shows the control procedure of the charging control apparatus shown in FIG. It is a flowchart which shows the control procedure of the charging control apparatus shown in FIG. It is a flowchart which shows the control procedure of the charging control apparatus shown in FIG. It is a time chart of the charging power of the charging system when the desired charging completion time is shorter than the shortest charging time. It is a time chart of the charging power of the charging system when the desired charging completion time is shorter than the shortest charging time. It is a time chart of the charging power of the charging system when the desired charging completion time is shorter than the shortest charging time. It is a time chart of the charging power of the charging system when the desired charging completion time is shorter than the shortest charging time. It is a time chart of the charging power of the charging system when the desired charging completion time is shorter than the shortest charging time.

  FIG. 1 is a block diagram schematically showing a charging system 10 for an electric vehicle 1 according to the first embodiment of the present invention. This charging system 10 sets a charging schedule at a charging station capable of charging a plurality of electric vehicles 1 such as an electric vehicle and a plug-in hybrid vehicle from a common power source (commercial power supply 2) and sets the charging schedule. Is a system for charging the electric vehicle 1 of FIG.

  As the charging stations targeted by the charging system 10 of the present embodiment, a charging station having a plurality of charging ports 14 connected to the commercial power supply 2 and a plurality of chargers having one charging port 14 are exemplified. One connected to the commercial power supply 2 can be exemplified. In each charging station, limited charging power of the commercial power supply 2 is output to the plurality of electric vehicles 1.

  The charging system 10 includes a charging distributor 12 connected to the commercial power supply 2, a plurality of charging ports 14 connected to the charging distributor 12, and a charging control device 100. In the charging system 10, when the electric vehicle 1 is connected to the plurality of charging ports 14, the electric power supplied from the commercial power supply 2 is distributed to the plurality of electric vehicles 1 by the charge distributor 12. At this time, the charging control device 100 sets a charging schedule that determines the charging order and the charging power in a time series of the plurality of electric vehicles 1 and sets the charging distributor 12 so that the charging schedule is realized. Control.

  When a charger having a plurality of charging ports 14 is intended for a charging station connected to the commercial power supply 2, the charging distributor 12 and the charging control device 100 are provided in one charger. On the other hand, when a plurality of chargers having one charging port 14 are intended for a charging station connected to the commercial power supply 2, the charge distributor 12 and the charge control device 100 It is provided in the centralized controller to control.

  The charge distributor 12 and the charging port 14 are connected by a power line 16, and a communication unit 140 and a charging port 14 described below are connected by a communication line 18. When the electric vehicle 1 is connected to the charging port 14, the battery 3 of the electric vehicle 1 and the commercial power supply 2 are connected to be able to supply power. When the electric vehicle 1 is connected to the charging port 14, the charging control device 4 of the electric vehicle 1 and the communication unit 140 are communicably connected.

  The charging control device 100 includes a control unit 110, a display unit 120, an input unit 130, and a communication unit 140. The display unit 120 is provided in the charger or the centralized controller, and displays a shortest charging time (or the earliest charging end time) described later and a predetermined message. The predetermined message includes a message instructing input of a desired charging completion time (or time) described later.

  The input unit 130 is provided in the charger or the centralized controller, and is used to input a desired charging completion time (time). Note that the display unit 120 and the input unit 130 may be configured by a common touch panel display / input device.

  The communication unit 140 is connected to the charge control device 4 of the electric vehicle 1 via the communication line 18, and receives charge information from the charge control device 4. The charge information includes the SOC of the battery 3 of the electric vehicle 1, the rated capacity, and a charge characteristic map described later. Further, the communication unit 140 is connected to the control unit 110, the display unit 120, and the input unit 130 via a communication line, and the control unit 110, the display unit 120, and the input unit 130 are connected via the communication unit 140. Connected for communication.

  The control unit 110 has access to a ROM (Read Only Memory) in which a program for controlling the charge distributor 12 is stored, and a CPU (Central Processing Unit) as an operation circuit for executing the program stored in the ROM. A random access memory (RAM) functioning as a storage device. Note that, as the operation circuit, a Micro Processing Unit (MPU), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like can be used instead of or together with the CPU. .

  The control unit 110 includes a connection detection unit 111, a charge information acquisition unit 112, a shortest charge time calculation unit 113, a charge schedule setting unit 114, and a charge power control unit 115. The connection detection unit 111 detects that the electric vehicle 1 is connected to the charging port 14 based on a detection signal transmitted from a connection detector provided in the charging port 14.

  When the connection detecting unit 111 detects that the electric vehicle 1 is connected to the charging port 14, the charging information obtaining unit 112 obtains the charging information from the charging control unit 4 of the electric vehicle 1. As shown in FIG. 2, the charging characteristic map shows the relationship between the remaining capacity (kWh) or SOC (%) of the battery 3 and the charging power (kW). The charging power increases as the remaining capacity or SOC increases. It shows that it decreases. In other words, the charging characteristic map does not always output the maximum charging power from the charging system 10 to the electric vehicle 1, and the charging output from the charging system 10 to the electric vehicle 1 as the remaining capacity or the SOC increases. This shows that the power gradually decreases. For example, when the rated capacity of the battery of the electric vehicle 1 is 24 kWh and the SOC is 30%, the charging power output from the charging system 10 to the electric vehicle 1 from the SOC of 30% increases as indicated by the broken line in the figure. It becomes smaller gradually.

  When the charging information is obtained from the charging control unit 4 of the electric vehicle 1 by the charging information obtaining unit 112, the shortest charging time calculating unit 113 calculates the obtained charging information (the SOC of the battery 3, the rated capacity, and the charging characteristic map). ) And the characteristics of the charging power of the charging system 10, the shortest time (hereinafter referred to as the shortest charging time) at which the charging of the electric vehicle 1 ends is calculated.

FIG. 3 is a time chart of the charging power (kW) of the charging system 10 when charging one electric vehicle 1 that outputs the charging characteristic map shown in FIG. As shown in this figure, during the period from the current time to the time A ₀ is carried out the charging at the maximum charging power of the charging system 10, during the period from time A ₀ to time A (> A ₀₎ gradually decreases The charging is performed with the charging power to be performed.

Here, in the time chart of FIG. 3, since the SOC is small from the current time to time A ₀ , the maximum charging power of the charging system 10 is exhibited, and from time A ₀ to time A (> A ₀ ). During the period, the charging power that the charging system 10 can exhibit gradually decreases as the SOC increases. In the time chart of FIG. 3 and the like, the area of the filled area represents the charging power (kWh).

  The shortest charging time calculation unit 113 calculates the shortest charging time as the time from the current time to time A. In addition, the calculation process of the shortest charging time when the number of the electric vehicles 1 connected to the charging port 14 is two or three will be described later.

  The shortest charging time calculation unit 113 transmits information on the calculated shortest charging time to the display unit 120. The display unit 120 displays the shortest charging time (time from the current time to the time A) received from the shortest charging time calculating unit 113 or the time A when the shortest charging time has elapsed.

  The display unit 120 displays a message prompting the user to input a desired charging completion time (or time) together with the shortest charging time (or the time when the shortest charging time has elapsed). Here, the display unit 120 displays a message that limits the desired charge completion time to a time longer than the shortest charge time, or a message that limits the desired charge completion time to a time later than the time when the shortest charge time has elapsed. Is displayed.

  When the desired charging completion time (or time) is input by the user operating the input unit 130, the charging schedule setting unit 114 sets a charging schedule that defines the relationship between time and charging power (see FIG. 4). If the desired charge completion time input by the user is shorter than the shortest charge time calculated by the shortest charge time calculation unit 113, or the desired charge completion time input by the user is the time when the shortest charge time has elapsed. If it is earlier, the charging schedule setting unit 114 does not set the charging schedule. In this case, the display unit 120 displays a warning message instructing to input a desired charge completion time that is longer than the shortest charge time (or a desired charge completion time that is later than the elapse of the shortest charge time). indicate.

  In the embodiment in which the desired charging completion time is input by a user's operation of the input unit 130, a desired charging completion time calculating unit (not shown) provided in the control unit 110 determines a desired charging completion time based on the input desired charging completion time. , The desired charging completion time is calculated.

  When only one electric vehicle 1 is connected to the charging port 14, the charging schedule setting unit 114 sets a charging schedule that starts from the current time and ends at time A (see FIG. 4). That is, when only one electric vehicle 1 is connected to the charging port 14, the charging schedule setting unit 114 sets a charging schedule in which charging is completed in the shortest charging time regardless of the desired charging completion time A '. Note that the charging schedule setting process when the number of the electric vehicles 1 connected to the charging port 14 is two or three will be described later.

  The charging power control unit 115 controls the charging distributor 12 so that the charging schedule set by the charging schedule setting unit 114 is realized.

  Next, a description will be given of a process when the number of the electric vehicles 1 connected to the charging port 14 is two. As shown in FIG. 5, charging of the first electric vehicle 1 is performed according to a charging schedule set by the charging schedule setting unit 114. When the second electric vehicle 1 is connected to the charging port 14 before the shortest charging time of the first electric vehicle 1 elapses (prior to time A), the charging schedule setting unit 114 The charging schedule of the first electric vehicle 1 is reset and the charging schedule of the second electric vehicle 1 is set.

  At this time, first, as shown in FIG. 6, the charging schedule setting unit 114 starts charging the first electric vehicle 1 at a time sA ′ and ends the charging at a desired charging completion time A ′. Set. The time from the charging start time sA ′ to the desired charging completion time A ′ is the same as the time from the current time to time A shown in FIG.

  Here, during the time from the current time to the time sA ′, the charging power is 0, and the second electric vehicle 1 can be charged with the maximum charging power of the charging system 10. In addition, during the time from time A1 to time A ′, there is room for the charging power of the charging system 10.

  Next, the charging schedule setting unit 114 sets a temporary charging schedule that starts charging the second electric vehicle 1 at the current time and ends at time B, as shown in FIG. The charging completion time B is the time when the shortest charging time of the second electric vehicle 1 elapses, and is calculated by the shortest charging time calculation unit 113 based on the charging characteristic map.

  If the charging of the second electric vehicle 1 cannot be completed by the time sA ′ after starting from the current time, the charging of the first electric vehicle 1 is prioritized and the second electric vehicle 1 is charged. As the shortest charging time of the electric powered vehicle 1, a time longer than the shortest charging time of the first electric powered vehicle 1 is calculated. On the other hand, when the charging of the second electric vehicle 1 can be started from the current time and completed by time sA ′, the charging of the second electric vehicle 1 is given priority, and the second electric vehicle 1 is charged. As the shortest charging time of the vehicle 1, a time shorter than the shortest charging time of the first electric vehicle 1 is calculated.

  Next, the charging schedule setting unit 114 sets the first vehicle and the first electric vehicle 1 based on the relationship between the desired charging completion time A ′ of the first electric vehicle 1 and the desired charging completion time B ′ of the second electric vehicle 1. A charging schedule for the second electric vehicle 1 is set. As shown in FIG. 8, when the desired charging completion time A ′ of the first electric vehicle 1 is later than the desired charging completion time B ′ of the second electric vehicle 1, the second electric vehicle 1 , And sets a charging schedule to start charging the first electric vehicle 1 during the charging.

In this charging schedule, charging of the second electric vehicle 1 is started at the current time and completed at the shortest charging end time B, and charging of the first electric vehicle 1 is started at time B ₀ (<B). The process is started and completed at time A ₁ (> B). Here, from time B ₀ to time B, the first and second electric vehicles 1 are simultaneously charged, and the maximum charging power of the charging system 10 is supplied to the first and second electric vehicles 1. Be distributed.

  On the other hand, as shown in FIG. 9, when the desired charging completion time A ′ of the first electric vehicle 1 is earlier than the desired charging completion time B ′ of the second electric vehicle 1, the first electric vehicle 1 Charging is started from the vehicle 1 and a charging schedule for starting charging the second electric vehicle 1 during the charging is set.

The charging schedule is completed starting the first unit of the current time the charging of the electric vehicle 1 at time A, when completed at time B ₁ begins to charge a Second electric vehicle 1 from the time A ₀ It was done. Here, from time _A0 to time A, the first and second electric vehicles 1 are simultaneously charged, and the maximum charging power of the charging system 10 is supplied to the first and second electric vehicles 1. Be distributed.

  Next, as an example of a process when the number of the electric vehicles 1 connected to the charging port 14 is three, the charging of the first electric vehicle 1 is started after the charging of the second electric vehicle 1 is started. Until then (see FIG. 8), a process when the third electric vehicle 1 is connected to the charging port 14 will be described.

  As shown in FIG. 8, the second electric vehicle 1 is charged according to the charging schedule set by the charging schedule setting unit 114. When the third electric vehicle 1 is connected to the charging port 14 before the shortest charging time of the second electric vehicle 1 elapses (before time B), the charging schedule setting unit 114 sets The resetting of the charging schedule of the third electric vehicle 1 and the setting of the charging schedule of the third electric vehicle 1 are executed.

  Here, if the charging of the third electric vehicle 1 is started before the charging of the first electric vehicle 1, the charging of the first electric vehicle 1 cannot be completed at the desired charging completion time A ′. In this case, the charging of the first electric vehicle 1 is prioritized, and a time longer than the shortest charging time of the first electric vehicle 1 is calculated as the shortest charging time of the third electric vehicle 1. .

  On the other hand, even if the charging of the third electric vehicle 1 is started before the charging of the first electric vehicle 1, the charging of the first electric vehicle 1 may end at the desired charging completion time A ′. If possible, the charging of the third electric vehicle 1 is prioritized, and a time shorter than the shortest charging time of the first electric vehicle 1 is calculated as the shortest charging time of the third electric vehicle 1. You. In this case, first, as shown in FIG. 10, the charging schedule setting unit 114 starts the charging of the first electric vehicle 1 at time sA ′ and sets the temporary charging schedule to be completed at the desired charging completion time A ′. Set.

Here, during the time from time B to time sA ′, the charging power is 0, and the third electric vehicle 1 can be charged with the maximum charging power of the charging system 10. Further, the time from time B ₀ to time B and the time from time A ₂ (sA ′ <A ₂ <A ′) to time A ′ have room for the charging power of the charging system 10.

Then, charging schedule setting unit 114, as shown in FIG. 11, to set a temporary charging schedule ending at time C started at time B ₀ of the charge of third car of the electric vehicle 1. Time C is the time when the shortest charging time of the third electric vehicle 1 has elapsed, and is calculated by the shortest charging time calculation unit 113 based on the charging characteristic map.

Here, if it can not be completed by the start to time sA' charging third car of the electric vehicle 1 from the time B _0, the charging of the first unit of the electric vehicle 1 is prioritized, third car Is calculated as the shortest charging time of the first electric vehicle 1. On the other hand, if it can be completed by the start to time sA' the third car of the electric vehicle 1 charged from time B _0, the charging of the third car of the electric vehicle 1 is prioritized, the third car As the shortest charging time of the electric powered vehicle 1, a time shorter than the shortest charging time of the first electric powered vehicle 1 is calculated.

  Next, based on the relationship between the desired charging completion time A ′ of the first electric vehicle 1 and the desired charging completion time C ′ of the third electric vehicle 1, the charging schedule setting unit 114 sets A charging schedule for the third electric vehicle 1 is set. As shown in FIG. 12, when the desired charging completion time A 'of the first electric vehicle 1 is later than the desired charging completion time C' of the third electric vehicle 1, the third electric vehicle 1 , And sets a charging schedule to start charging the first electric vehicle 1 during the charging.

In this charging schedule, charging of the third electric vehicle 1 is started at time B ₀ and completed at time C, and charging of the first electric vehicle 1 is started at time C ₀ (<C) and time is started. A2 (> A). Here, from time _B0 to time B, the second and third electric vehicles 1 are simultaneously charged, and the maximum charging power of the charging system 10 is supplied to the second and third electric vehicles 1. Be distributed. Further, from time _C0 to time C, the third and first electric vehicles 1 are simultaneously charged, and the maximum charging power of the charging system 10 is distributed to the third and first electric vehicles 1. Is done.

  On the other hand, as shown in FIG. 13, when the desired charging completion time A ′ of the first electric vehicle 1 is earlier than the desired charging completion time C ′ of the third electric vehicle 1, the first electric vehicle 1 Charging is started from the vehicle 1, and a charging schedule for starting charging the third electric vehicle 1 during the charging is set.

The charging schedule is complete charging of the first unit of the electric vehicle 1 at time A ₁ starting at time B _0, at time C ₁ starting at time A ₀ charging third car of an electric vehicle 1 It is assumed that it is completed. Here, from time B ₀ to time B, the second and first electric vehicles 1 are simultaneously charged, and the maximum charging power of the charging system 10 is supplied to the second and first electric vehicles 1. Be distributed. Further, from time _C0 to time C, the first and third electric vehicles 1 are simultaneously charged, and the maximum charging power of the charging system 10 is distributed to the first and third electric vehicles 1. Is done.

  14 to 16 are flowcharts illustrating a control procedure of the charging control device 100. First, in step S11, the control unit 100 determines whether or not the first electric vehicle 1 is connected to the charging port 14 by the connection detecting unit 111. Step S11 is repeated until it is determined that the first electric vehicle 1 is connected to the charging port 14, and if it is determined in step S11 that the first electric vehicle 1 is connected to the charging port 14, step S12 is performed. Proceed to.

  In step S12, the charging information acquisition unit 112 acquires the charging information of the electric vehicle 1 (the SOC of the battery 3, the rated capacity, and the charging characteristic map) from the charging control unit 4 of the first electric vehicle 1.

  Next, in step S13, the shortest charging time calculation unit 113 calculates the shortest charging time of the first electric vehicle 1 connected to the charging port 14 based on the charging information acquired in step S12. In step S13, the shortest charging time calculation unit 113 calculates the shortest charging time as the time from the current time to time A (see FIG. 3).

  In step S13, the display unit 120 inputs the shortest charging time (or the time when the shortest charging time has elapsed) calculated by the shortest charging time calculating unit 113 and the desired charging completion time (or the desired charging completion time). And a message prompting the user. Here, the display unit 120 also displays a message that limits the desired charging completion time to a time longer than the shortest charging time (or the desired charging completion time to a time later than the elapse of the shortest charging time).

  Next, in step S14, control unit 100 determines whether or not a desired charging completion time (or time) has been input from input unit 130. In step S14, the input of the desired charge completion time shorter than the shortest charge time calculated in step S12 is prohibited, and if the time shorter than the shortest charge time is input, the desired charge completion time is not input. Is determined. If the desired charge completion time is input, the input of the desired charge completion time earlier than the elapse of the shortest charge time calculated in step S12 is prohibited. It is determined that the time has not been input. In step S14, step S14 is repeated until it is determined that the desired charging completion time (or time) has been input, and if it is determined that the desired charging completion time (or time) has been input, the process proceeds to step S15.

  In step S15, charging schedule setting section 114 sets a charging schedule. In step S15, the charging schedule setting unit 114 sets a charging schedule (see FIG. 4) in which charging of the first electric vehicle 1 starts from the current time and ends at time A.

  Next, in step S16, the charging power control unit 115 controls the charging distributor 12 to start charging such that the charging schedule set by the charging schedule setting unit 114 is realized.

  Next, in step S17, the control unit 100 determines whether or not charging of the first device has been completed. If it is determined in step S17 that the charging of the first device has been completed, the process returns to step S11. On the other hand, if it is determined in step S17 that the charging of the first device has not been completed, the process proceeds to step S18 in FIG.

  In step S <b> 18, control unit 100 determines whether or not second electric vehicle 1 is connected to charging port 14 by connection detection unit 111. If it is determined in step S18 that the second electric vehicle 1 is not connected to the charging port 14, the process returns to step S17 in FIG. On the other hand, if it is determined in step S18 that the second electric vehicle 1 has been connected to the charging port 14, the process proceeds to step S19.

  In step S19, the charging information acquisition unit 112 acquires the charging information (the SOC of the battery, the rated capacity, and the charging characteristic map) of the electric vehicle 1 from the charging control unit 4 of the second electric vehicle 1.

  Next, in step S20, the shortest charging time calculation unit 113 compares the charging information of the second electric vehicle 1 obtained in step S19 with the charging information of the first electric vehicle 1 obtained in step S12. The shortest charging time of the second electric vehicle 1 connected to the charging port 14 is calculated based on the desired charging completion time (or time) of the first electric vehicle 1 input in step S14. .

In step S20, the shortest charging time calculation unit 113 starts charging the first electric vehicle 1 at time sA ′ and ends it at the desired charging completion time A ′ (see FIG. 6). If the charging of the electric vehicle 1 can be completed from the current time to the time sA ′, the minimum charging time of the second electric vehicle 1 is set from the current time to the time B (<sA ′). (See FIG. 7). On the other hand, when the charging of the first electric vehicle 1 starts at time sA ′ and ends at the desired charging completion time A ′ (see FIG. 6), the shortest charging time calculation unit 113 uses the second electric vehicle. If the charging of the second electric vehicle 1 cannot be completed by the time sA ′ after starting from the current time, the minimum charging time of the second electric vehicle 1 is set to the time from the current time to the time B ₁ (> A). (See FIG. 9).

  Then, in step S20, the display unit 120 inputs the shortest charging time (or the time when the shortest charging time has elapsed) calculated by the shortest charging time calculating unit 113 and the desired charging completion time (or the desired charging completion time). And a message prompting the user. Here, the display unit 120 also displays a message that limits the desired charging completion time to a time longer than the shortest charging time (or the desired charging completion time to a time later than the elapse of the shortest charging time).

  Next, in step S21, control unit 100 determines whether or not a desired charging completion time (or time) has been input from input unit 130. In step S21, the desired charge completion time is limited to a time longer than the shortest charge time calculated in step S20. If a time shorter than the shortest charge time is input, the desired charge completion time is input. It is determined that there is not. If the desired charge completion time is input, the input of the desired charge completion time earlier than the elapse of the shortest charge time calculated in step S20 is prohibited, and if the input is performed, the desired charge completion time is It is determined that the time has not been input. Then, in step S21, step S21 is repeated until it is determined that the desired charging completion time has been input, and if it is determined that the desired charging completion time has been input, the process proceeds to step S22.

In step S22, the charging schedule setting unit 114 determines that the desired charging completion time of the second electric vehicle 1 input in step S21 is longer than the desired charging completion time of the first electric vehicle 1 input in step S14. Is also determined to be short. When the desired charging completion time is input, the desired charging completion time of the second electric vehicle 1 input in step S21 is changed to the desired charging time of the first electric vehicle 1 input in step S14. It is determined whether it is earlier than the completion time. If it is determined in step S22 that the time is short or early (B ′ <A ′), in step S23, the charging schedule setting unit 114 starts charging the second electric vehicle 1 at the current time and returns to time B to complete, it sets the charging schedule which is to complete the charging of the electric vehicle 1 of the first unit at time a ₁ starting at time B ₀ (see Figure 8). On the other hand, if it is determined in step S22 that it is long or slow (B '>A'), in step S24, the charging schedule setting unit 114 starts charging the first electric vehicle 1 at the current time. complete charging completion time a, sets the charging schedule which was to complete a second electric vehicle 1 charged at time B ₁ starting at time a ₀ (see FIG. 9).

  Next, in step S25, the charging power control unit 115 controls the charging distributor 12 to continue charging so that the charging schedule set by the charging schedule setting unit 114 in step S23 or S24 is realized.

  Next, in step S26, the control unit 100 determines whether or not the charging of the electric vehicle 1 which has started charging first has been completed. In step S26, when it is determined that the charging of the electric vehicle 1 that has started charging is completed, the process returns to step S18. On the other hand, if it is determined in step S24 that the charging of the electric vehicle 1 that has started charging first is not completed, the process proceeds to step S27 in FIG.

  In step S27, the control unit 100 determines whether the third electric vehicle 1 is connected to the charging port 14 by the connection detecting unit 111. If it is determined in step S27 that the third electric vehicle 1 is not connected to the charging port 14, the process returns to step S26 in FIG. On the other hand, if it is determined in step S27 that the third electric vehicle 1 has been connected to the charging port 14, the process proceeds to step S28.

  In step S28, the charging information acquisition unit 112 acquires the charging information (the SOC of the battery 3, the rated capacity, and the charging characteristic map) from the charging control unit 4 of the third electric vehicle 1.

  Next, in step S29, the shortest charging time calculation unit 113 compares the charging information of the third electric vehicle 1 obtained in step S28 with the charging information of the second electric vehicle 1 obtained in step S19. The charging information of the first electric vehicle 1 obtained in step S12, the desired charging completion time (or time) of the second electric vehicle 1 input in step S21, and the 1 The shortest charging time of the third electric vehicle 1 connected to the charging port 14 is calculated based on the desired charging completion time (or time) of the first electric vehicle 1.

In step S29, for example, the shortest charging time calculation unit 113 starts charging the second electric vehicle 1 at the current time, starts charging the first electric vehicle 1 at the time sA ′, and completes the desired charging. If to terminate at time A'(see FIG. 10), if it can be completed by the start to time sA' from time B ₀ of the charge of third car of the electric vehicle 1, third car electric The shortest charging time of the vehicle 1 is calculated as the time from the current time to the time C (<sA ′) (see FIG. 11). On the other hand, for example, the shortest charging time calculation unit 113 starts charging the second electric vehicle 1 at the current time, starts charging the first electric vehicle 1 at time sA ′, and sets the desired charging completion time. If to terminate with A'(see FIG. 10), if can not be completed by the start to time sA' in third car time B ₀ of the charging of the electric vehicle 1, third car electric vehicle 1 is calculated as the time from the current time to the time C ₁ (> A ₁ ) (see FIG. 13).

  In step S29, the display unit 120 inputs the shortest charging time (or the time when the shortest charging time has elapsed) calculated by the shortest charging time calculating unit 113 and the desired charging completion time (or the desired charging completion time). And a message prompting the user. Here, the display unit 120 also displays a message that limits the desired charging completion time to a time longer than the shortest charging time (or the desired charging completion time to a time later than the elapse of the shortest charging time).

  Next, in step S30, control unit 100 determines whether or not a desired charging completion time (or time) has been input from input unit 130. In step S30, the desired charge completion time is limited to a time longer than the shortest charge time calculated in step S29. If a time shorter than the shortest charge time is input, the desired charge completion time is input. It is determined that there is not. If the desired charging completion time is input, the input of the desired charging completion time earlier than the elapse of the shortest charging time calculated in step S29 is prohibited, and if the input is performed, the desired charging completion time is prohibited. It is determined that the time has not been input. In step S30, step S30 is repeated until it is determined that the desired charging completion time (or time) has been input, and if it is determined that the desired charging completion time (or time) has been input, the process proceeds to step S31.

  In step S31, the charging schedule setting unit 114 determines that the desired charging completion time of the third electric vehicle 1 input in step S30 is the desired charging completion time of the first or second electric vehicle 1 waiting for charging. It is determined whether it is shorter than the time. When the desired charging completion time is input, the desired charging completion time of the second electric vehicle 1 input in step S30 is changed to the first or second electric vehicle 1 waiting for charging. It is determined whether it is earlier than the desired charging completion time. If it is determined in step S31 that it is short or early (C ′ <A ′ <B ′ or C ′ <B ′ <A ′), in step S32, the charging schedule setting unit 114 sets the third A charging schedule is set to prioritize charging of the vehicle 1 over the first or second electric vehicle 1 waiting for charging (see FIG. 12). On the other hand, if it is determined in step S31 that the charge is long or slow (C ′> A ′> B ′ or C ′> B ′> A ′), in step S33, the charging schedule setting unit 114 waits for charging. A charging schedule is set such that charging of the first or second electric vehicle 1 is prioritized over charging of the third electric vehicle 1 (see FIG. 13).

  Next, in step S34, the charging power control unit 115 controls the charging distributor 12 to continue charging so that the charging schedule set by the charging schedule setting unit 114 in step S32 or S33 is realized.

  Next, in step S35, the control unit 100 determines whether or not the charging of the electric vehicle 1 which has started charging first has been completed. If it is determined in step S35 that the charging has been completed, the process returns to step S27. On the other hand, if it is determined in step S35 that charging has not been completed, step S35 is repeated.

  As described above, in the charging control method and the charging control device 100 of the present embodiment, the electric power is output from the commercial power supply 2 to the electric vehicle 1 under the condition that the charging of the preceding electric vehicle 1 is completed within the desired charging completion time. The shortest charging time of the subsequent electric vehicle 1 is calculated based on the characteristic according to the SOC of the charging power. That is, the shortest charging time of the subsequent electric vehicle 1 is calculated in consideration of the characteristic that the charging power output from the commercial power supply 2 to the electric vehicle 1 decreases as the SOC increases. Accordingly, it is possible to calculate the shortest charging time of the subsequent electric vehicle 1 in a state where the charging power of the commercial power supply 2 is fully used. In addition, by setting a charging schedule for completing the charging of the subsequent electric vehicle 1 in a time equal to or longer than the shortest charging time and equal to or less than the desired charging completion time of the subsequent electric vehicle 1, the charging power of the commercial power supply 2 is efficiently reduced. A plurality of electric vehicles can be charged from the commercial power supply 2 with the used efficient charging schedule.

  In the charging control method and the charging control device 100 according to the present embodiment, the time or time at which the user desires to complete the full charging of the electric vehicle 1 is obtained by operating the input unit 130 of the user, or the shortest charging time The input of the desired charging completion time shorter than the desired charging completion time or the desired charging completion time earlier than the elapse of the shortest charging time is prohibited. Accordingly, under the condition that the full charging of the preceding electric vehicle 1 is completed within the desired charging completion time, the charging of the following electric vehicle 1 until the full charging of the following electric vehicle 1 in a state where the charging power of the commercial power supply 2 is used thoroughly It is possible to calculate the shortest charging time.

  Further, in the charging control method and the charging control device 100 of the present embodiment, the charging of the subsequent electric vehicle 1 is started before the charging of the preceding electric vehicle 1, and the preceding electric vehicle 1 is charged within the desired charging completion time. When the charging is completed in the following, the shortest charging time of the subsequent electric vehicle 1 is calculated under the condition that the charging of the subsequent electric vehicle 1 is started before the charging of the preceding electric vehicle 1. Thereby, the user of the subsequent electric vehicle 1 can specify the desired charging completion time or time according to the desired charging completion time or time of the user of the preceding electric vehicle 1. Therefore, charging of a plurality of electric vehicles from the commercial power supply 2 can be performed according to a charging schedule adapted to the user's request.

  Further, in the charging control method and the charging control device 100 of the present embodiment, when the desired charging completion time for the subsequent electric vehicle 1 is shorter than the desired charging completion time for the preceding electric vehicle 1, A charging schedule for starting charging of the vehicle 1 before charging of the preceding electric vehicle 1 is set. As a result, it is possible to charge the plurality of electric vehicles from the commercial power supply 2 according to the charging schedule adapted to the user's request.

  Further, in the charging control method and the charging control device 100 of the present embodiment, the electric vehicle is based on a charging characteristic map indicating the relationship between the SOC of the electric vehicle and the characteristics of the charging power output from the commercial power supply 2 to the electric vehicle 1. The shortest charging time of 1 is calculated. Thereby, the shortest charging time of the subsequent electric vehicle 1 can be accurately calculated.

  FIG. 17 is a block diagram schematically illustrating a charging system 11 for the electric vehicle 1 according to the second embodiment of the present invention. As shown in the figure, the charging system 11 according to the present embodiment includes a charging control device 200 instead of the charging control device 100 included in the charging system 10 according to the first embodiment. The same components as those in the first embodiment are denoted by the same reference numerals, the description thereof will be omitted, and the description in the first embodiment will be cited.

  The charging control device 200 includes a control unit 210, a display unit 120, an input unit 130, and a communication unit 140. The control unit 210 includes a connection detection unit 111, a charge information acquisition unit 112, a shortest charge time calculation unit 113, a charge amount calculation unit 216, a charge schedule setting unit 114, and a charge power control unit 115. .

  Here, the charge control device 100 according to the first embodiment prohibits the input of the desired charge completion time shorter than the shortest charge time or the desired charge completion time earlier than the elapse of the shortest charge time, so that the electric vehicle 1 A charging schedule was set to always charge to the full charge capacity. On the other hand, the charging control device 200 according to the present embodiment permits input of a desired charging completion time shorter than the shortest charging time or a desired charging completion time earlier than the lapse of the shortest charging time. In this case, the charge amount calculation unit 216 calculates the charge amount of the electric vehicle 1 according to the desired charge completion time or time, and the display unit 120 displays the calculated charge amount. The user selects whether to charge the displayed charge amount at the desired charge completion time or to fully charge the battery at the desired charge completion time longer than the shortest charge time.

  18 to 20 are flowcharts illustrating a control procedure of the charging control device 200. First, steps S11 to S13 are executed as in the first embodiment. Next, in step S141, control unit 100 determines whether or not desired charging completion time or time has been input from input unit 130. In step S141, input of a desired charging completion time shorter than the shortest charging time calculated in step S13 is permitted. When the desired charge completion time is input, the input of the desired charge completion time earlier than the elapse of the shortest charge time calculated in step S13 is allowed. Then, in step 141, this step is repeated until it is determined that the desired charging completion time or time has been input. If it is determined that the desired charging completion time or time has been input, the process proceeds to step S142.

  In step S142, control unit 100 determines whether or not the desired charging completion time input in step S141 is shorter than the shortest charging time calculated in step S13. When the desired charging completion time is input, it is determined whether or not the desired charging completion time input in step S141 is earlier than the elapse of the shortest charging time calculated in step S13. If it is determined in step S142 that the time is short or early, the process proceeds to step S143. On the other hand, if it is determined in step S142 that the length is long or slow, the process proceeds to step S15.

  In step S143, the charge amount calculation unit 216 calculates the charge amount of the electric vehicle 1 according to the desired charge completion time or time input in step S141. Then, the display unit 120 displays the charge amount calculated by the charge amount calculation unit 216, and charges the displayed charge amount with the desired charge completion time or fully charges with the desired charge completion time longer than the shortest charge time. Display a message to let the user choose

  Next, in step S144, the control unit 100 determines whether the input unit 130 has selected a desired charge completion time over the full charge or has selected a full charge over the desired charge completion time. If it is determined in step S144 that the desired charging completion time has been selected rather than the full charge, the process proceeds to step S145. On the other hand, if it is determined in step S144 that the full charge has been selected for longer than the desired charge completion time, the process returns to step S141.

  In step S145, the charging schedule setting unit 114 sets the charge amount of the first electric vehicle 1. Then, when Steps S143 to S145 are executed, in Step S15, the charging schedule setting unit 114 sets a charging schedule as shown in FIG. Here, as shown in FIG. 21, the charge amount of the first electric vehicle 1 is an amount that does not reach the full charge capacity.

  Then, steps S16 to S20 are executed in the same manner as in the first embodiment. Next, in step 211, the control unit 100 determines whether or not the desired charging completion time or time has been input from the input unit 130. In step S211, input of a desired charging completion time shorter than the shortest charging time calculated in step S20 is allowed. When the desired charging completion time is input, the input of the desired charging completion time earlier than the elapse of the shortest charging time calculated in step S20 is allowed. In step S211, step S211 is repeated until it is determined that the desired charging completion time or time has been input, and if it is determined that the desired charging completion time or time has been input, the process proceeds to step S212.

  In step S212, the control unit 100 determines whether the desired charging completion time input in step S211 is shorter than the shortest charging time calculated in step S20. When the desired charging completion time is input, it is determined whether or not the desired charging completion time input in step S211 is earlier than the elapse of the shortest charging time calculated in step S20. . If it is determined in step S212 that the time is short or early, the process proceeds to step S213. On the other hand, when it is determined that the length is long or slow in step S212, the process proceeds to step S22.

  In step S213, the charge amount calculation unit 217 calculates the charge amount of the electric vehicle 1 according to the desired charge completion time or time input in step S211. Then, the display unit 120 displays the charge amount calculated by the charge amount calculation unit 217, and charges the displayed charge amount with the desired charge completion time or fully charges with the desired charge completion time longer than the shortest charge time. Display a message to let the user choose

  Next, in step S214, the control unit 100 determines whether the input unit 130 has selected the desired charging completion time from the full charging or the full charging from the desired charging completion time. If it is determined in step S214 that the desired charge completion time has been selected than the full charge, the process proceeds to step S215. On the other hand, if it is determined in step S214 that the full charge has been selected longer than the desired charge completion time, the process returns to step S211.

  In step S215, the charging schedule setting unit 114 sets the charging amount of the second electric vehicle 1. Here, as shown in FIGS. 22 and 23, the charge amount of the second electric vehicle 1 is an amount that does not reach the full charge capacity.

  Then, steps S22 to S29 are executed as in the first embodiment. Here, when the desired charging completion time is selected from the full charging in step S214, the charging schedule setting unit 114 sets the charging schedule as shown in FIG. 22 in step S23, and sets the charging schedule in step S24. The schedule setting unit 114 sets a charging schedule as shown in FIG. In any of the charging schedules shown in FIGS. 22 and 23, the charging power amount of the first electric vehicle 1 is an amount leading to full charging, and the charging power amount of the electric vehicle 1 of the second electric vehicle 1 is , Which does not lead to a full charge.

  Then, in step S301 in FIG. 20, control unit 100 determines whether or not a desired charging completion time or time has been input from input unit 130. In step S301, input of a desired charging completion time shorter than the shortest charging time calculated in step S29 is allowed. When the desired charging completion time is input, the input of the desired charging completion time earlier than the elapse of the shortest charging time calculated in step S29 is allowed. In step 301, this step is repeated until it is determined that the desired charging completion time or time has been input, and if it is determined that the desired charging completion time or time has been input, the process proceeds to step S302.

  In step S302, the control unit 100 determines whether the desired charging completion time input in step S301 is shorter than the shortest charging time calculated in step S29. When the desired charging completion time is input, it is determined whether or not the desired charging completion time input in step S301 is earlier than the elapse of the shortest charging time calculated in step S29. . If it is determined in step S302 that the time is short or early, the process proceeds to step S303. On the other hand, if it is determined in step S302 that the length is long or slow, the process proceeds to step S31.

  In step S303, the charge amount calculation unit 216 calculates the charge amount of the electric vehicle 1 according to the desired charge completion time or time input in step S301. Then, the display unit 120 displays the charge amount calculated by the charge amount calculation unit 216, and charges the displayed charge amount with the desired charge completion time or fully charges with the desired charge completion time longer than the shortest charge time. Display a message to let the user choose

  Next, in step S304, the control unit 100 determines whether the input unit 130 has selected a desired charge completion time over the full charge or a full charge longer than the desired charge completion time. If it is determined in step S304 that the desired charging completion time has been selected rather than the full charge, the process proceeds to step S305. On the other hand, if it is determined in step S304 that the full charge has been selected longer than the desired charge completion time, the process returns to step S301.

  In step S305, the charging schedule setting unit 114 sets the charging amount of the third electric vehicle 1. Here, as shown in FIGS. 24 and 25, the charge amount of the third electric vehicle 1 is an amount that does not reach the full charge capacity.

  Then, steps S31 to S35 are executed as in the first embodiment. Here, when the desired charging completion time is selected from the full charging in step S304, the charging schedule 114 is set as shown in FIG. 24 in step S32, and the charging schedule 114 is set in step S33. Sets a charging schedule as shown in FIG. In any of the charging schedules shown in FIGS. 24 and 25, the charging power amounts of the first and second electric vehicles 1 are amounts that reach full charge, and the electric power of the third electric vehicle 1 The charging power amount is an amount that does not lead to full charging.

  As described above, in the charging control method and the charging control device 200 according to the present embodiment, when the user obtains the time or time at which the charging of the electric vehicle 1 is completed by operating the input unit 130 of the user, the shortest charging time The user can input a desired charging completion time earlier than the elapsed time or a desired charging completion time shorter than the shortest charging time. If a desired charging completion time earlier than the shortest charging time elapses, or a desired charging completion time shorter than the shortest charging time is input, charging less than the full charging capacity according to the input desired charging completion time is performed. Calculate the capacity. Thereby, it is possible to respond to the request of the user who desires that the charging is completed in a shorter time than when the battery is fully charged.

  The “commercial power supply 2” in the above embodiment corresponds to an example of a common power source in the present invention, and the “charging port 14” in the above embodiment corresponds to an example of a charging port in the present invention. The “vehicle 1” corresponds to an example of the electric vehicle in the present invention, and the “charge control device 100” and “charge control device 200” in the above embodiment correspond to an example of the charge control device in the present invention. The “charging information acquiring unit 112” corresponds to an example of a charging information acquiring unit in the present invention, and the “input unit 130” in the above embodiment corresponds to an example of a “desired charging completion time calculating / acquiring unit” in the present invention. The “minimum charge time calculation unit 113” in the embodiment corresponds to an example of the “charge time calculation unit” in the present invention, and the “charge time Yuru setting section 114 "corresponds to an example of" charging schedule setting means "in the present invention," charge power control unit 115 in the embodiment "corresponds to an example of" charging control unit "in the present invention.

  The embodiments described above are described for facilitating the understanding of the present invention, and are not described for limiting the present invention. Therefore, each element disclosed in the above embodiment is intended to include all design changes and equivalents belonging to the technical scope of the present invention. For example, in the above-described embodiment, the charging characteristic map is acquired from the charging control device 4 of the electric vehicle 1, but the control units 110 and 210 may store the charging characteristic map in advance.

DESCRIPTION OF SYMBOLS 1 Electric vehicle 2 Commercial power supply 3 Battery 4 Charging control device 10 Charging system 12 Charging distributor 14 Charging port 16 Power line 18 Communication line 100 Charging control device 110 Control unit 111 Connection detecting unit 112 Charging information obtaining unit 113 Shortest charging time calculating unit 114 Charge schedule calculation unit 115 Charge power control unit 120 Display unit 130 Input unit 140 Communication unit 11 Charge system 200 Charge control device 210 Control unit 216 Charge amount calculation unit

Claims (7)

A charge control that includes a plurality of charging ports to which power is supplied from a common power source and controls charging of the electric vehicle connected to the charging port in a charging facility that charges the electric vehicle connected to the charging port. The method
Obtain the remaining charge capacity of the electric vehicle connected to the charging port,
The user calculates the desired charging completion time based on the time at which charging is desired, or acquires the desired charging completion time,
The obtained remaining charge capacity, the characteristic according to the remaining charge capacity of the charging power output to the electric vehicle from the charging facility, and the calculated or obtained for the preceding electric vehicle connected to the charging port earlier A condition that, based on the desired charging completion time, a subsequent electric vehicle connected to the charging port behind the preceding electric vehicle is charged by the preceding electric vehicle within the desired charging completion time. Calculates the charging time required to charge up to a predetermined charging capacity,
Set the charging schedule to complete the charging of the subsequent electric vehicle at the calculated charging time or more, at a time equal to or less than the desired charging completion time calculated or obtained for the subsequent electric vehicle,
A charging control method for controlling charging of an electric vehicle connected to the charging port such that the set charging schedule is executed. The predetermined charge capacity is a full charge capacity,
The charging control method according to claim 1, wherein inputting the time at which the desired charging completion time shorter than the charging time is calculated or inputting the desired charging completion time shorter than the charging time is prohibited.   The said predetermined charge capacity is a charge capacity less than the full charge capacity charged to the said subsequent electric vehicle in the said desired charge completion time, when the said desired charge completion time is shorter than the said charge time. The charge control method described in the above.   The charging of the subsequent electric vehicle is started before the charging of the preceding electric vehicle, and when the preceding electric vehicle completes the charging within the desired charging completion time, the charging of the subsequent electric vehicle is performed. The charging control method according to any one of claims 1 to 3, wherein the charging time is calculated under a condition that charging is started before charging of the preceding electric vehicle.   When the desired charging completion time for the subsequent electric vehicle is shorter than the desired charging completion time for the preceding electric vehicle, the charging of the subsequent electric vehicle is performed more than the charging of the preceding electric vehicle. The charging control method according to claim 4, wherein the charging schedule to be started first is set.   6. The charging time according to claim 1, wherein the charging time is calculated based on a charging characteristic map indicating a relationship between a remaining charging capacity of the electric vehicle and a characteristic of charging power output from the charging facility to the electric vehicle. The charge control method described in the above. A charge control that includes a plurality of charging ports to which power is supplied from a common power source and controls charging of the electric vehicle connected to the charging port in a charging facility that charges the electric vehicle connected to the charging port. A device,
Charge information acquisition means for acquiring the remaining charge capacity of the electric vehicle connected to the charge port,
A desired charge completion time calculation / acquisition means for calculating a desired charge completion time based on a time at which the user desires to complete charging, or acquiring the desired charge completion time;
The remaining charge capacity acquired by the charge information acquisition means, the characteristic of the charge power output from the charging facility to the electric vehicle according to the remaining charge capacity, and the characteristics of the previous electric motor connected to the charging port earlier Based on the desired charge completion time calculated / acquired by the desired charge completion time calculation / acquisition means for the vehicle, the following electric vehicle connected to the charging port after the preceding electric vehicle is connected to the preceding electric vehicle. Charge time calculating means for calculating a charge time that is a time required to charge up to a predetermined charge capacity under a condition that the electric vehicle completes charging within the desired charge completion time,
A time period equal to or longer than the charging time calculated by the charging time calculating means and equal to or shorter than the desired charging completion time calculated or acquired by the desired charging completion time calculating / acquiring means for the subsequent electric vehicle; Charge schedule setting means for setting a charge schedule for completing charging of the battery;
Charge control means for controlling charging of the electric vehicle connected to the charge port, so that the charge schedule set by the charge schedule setting means is executed;
A charge control device comprising:

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