JP6772576B2 - Charge control device - Google Patents

Description

The present invention relates to a charge control device.

Power strips with built-in power sensors, communication modules, etc. have been developed so that users can grasp the power consumption at home or at work. An electric device is connected to this power strip, and the collected power consumption information is transmitted to, for example, a home gateway in the home. As a result, the power consumption information of a plurality of power strips is aggregated, and the power consumption information of the home or the like is presented to the user.

As an example of such a power strip, for example, Japanese Patent Application Laid-Open No. 2013-13287 (Patent Document 1) discloses the following configuration. That is, the power supply device includes a connection unit to which an electric device can be connected and a power transmission unit for supplying electric power received from the outside to the electric device via the connection unit, and the power transmission unit is a power transmission unit. Upon receiving the supply stop command, the power supply to the electric device is stopped, and further, before the power transmission unit stops the power supply to the electric device in response to the power supply stop command, the electric device The electric device control unit for giving an operation stop command for remotely stopping the operation to the electric device is provided.

Japanese Unexamined Patent Publication No. 2013-13287 Japanese Unexamined Patent Publication No. 2012-226562

"IEC6185-1 Electrical Vehicle charging system-Part 1: General requirements", INTERNATIONAL ELECTROTECHNICAL COMMISSION, published in November 2010 "The ECHONET Lite Specification Version 1.12", ECHONET CONSORTIUM, published on September 30, 2015

For example, by connecting a charging stand that supplies charging power to an electric vehicle to an outlet that functions as a connection portion in the power supply device described in Patent Document 1, it is possible to remotely control charging on and off. Become.

However, for example, when the charging stand is directly connected to the distribution board via the power supply line, it becomes difficult to connect the charging stand to the outlet. In such a case, it becomes difficult to remotely control the on and off of charging the electric vehicle.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a charge control device capable of remotely controlling charging of a vehicle with a simple configuration.

(1) In order to solve the above problems, the charge control device according to a certain aspect of the present invention includes a battery, and uses the electric power stored in the battery to connect to a travelable vehicle and supply power to the vehicle. A supply-side connector that can be connected to a power supply connector for power supply, a vehicle-side connector that can be connected to the vehicle and that supplies power received by the supply-side connector via the power supply connector to the vehicle, and a supply-side connector. A signal line connected between the connector and the vehicle-side connector for exchanging information regarding charging of the battery between the vehicle and the power supply side, a switch provided on the signal line, a communication unit, and the like. The control unit includes a control unit that controls the power supply to the vehicle by controlling the switch according to the signal received by the communication unit.

(7) In order to solve the above problems, the charge control device according to another aspect of the present invention includes a battery, and is connected to a vehicle that can run using the electric power stored in the battery to supply power to the vehicle. A supply-side connector that can be connected to the power supply connector for supplying power, a vehicle-side connector that can be connected to the vehicle and that supplies power received by the supply-side connector via the power supply connector to the vehicle, and the supply. A power supply line connected between the side connector and the vehicle side connector and for transmitting power received from the power supply connector to the vehicle side connector, a switch provided on the power supply line, a communication unit, and the above. It includes a control unit that controls the power supply to the vehicle by controlling the switch according to the signal received by the communication unit.

The present invention can be realized not only as a charging control device provided with such a characteristic processing unit, but also as a charging system provided with a charging control device, or as a method in which such characteristic processing is a step. Or it can be realized as a program to make a computer execute such a step. Further, it can be realized as a semiconductor integrated circuit that realizes a part or all of the charge control device.

According to the present invention, it is possible to remotely control the charging of the vehicle with a simple configuration.

FIG. 1 is a diagram showing a configuration of a charging system according to an embodiment of the present invention. FIG. 2 is a diagram showing details of the configuration of the charging system according to the embodiment of the present invention. FIG. 3 is a diagram showing a configuration of a charge control system according to an embodiment of the present invention. FIG. 4 is a diagram showing a configuration of a charge control device in the charge control system according to the embodiment of the present invention. FIG. 5 is a diagram showing a configuration of a charging system and a charging control device according to an embodiment of the present invention. FIG. 6 is a diagram showing an example of the structure of the supply side connector in the charge control device according to the embodiment of the present invention. FIG. 7 is a diagram showing a configuration of a modified example of the charge control device in the charge control system according to the embodiment of the present invention. FIG. 8 is a diagram showing a configuration of a modified example of the charge control device in the charge control system according to the embodiment of the present invention. FIG. 9 is a diagram showing a configuration of a modified example of the charge control device in the charge control system according to the embodiment of the present invention.

First, the contents of the embodiments of the present invention will be listed and described.

(1) The charge control device according to the embodiment of the present invention includes a battery, and can be connected to a vehicle that can travel by using the electric power stored in the battery and can be connected to a power supply connector for supplying power to the vehicle. A supply-side connector, a vehicle-side connector that can be connected to the vehicle and for supplying power received by the supply-side connector via the power supply connector to the vehicle, a supply-side connector, and the vehicle-side connector. A signal line for exchanging information regarding charging of the battery between the vehicle and the power supply side, a switch provided on the signal line, a communication unit, and reception by the communication unit. It includes a control unit that controls the power supply to the vehicle by controlling the switch in response to a signal.

In this way, with a configuration that can remotely control the interruption of the signal line, for example, it is possible to control on and off of the power supply from the power supply side such as a charging station to the vehicle according to the interruption state of the signal line. In some cases, the on and off of charging the vehicle can be remotely controlled even when the charging station is directly connected to the distribution board via the power supply line. Therefore, it is possible to remotely control the charging of the vehicle with a simple configuration.

(2) Preferably, the signal line is connected to a signal line for notifying the vehicle of the connection state between the vehicle and the power supply side.

With such a configuration, even if the charge control device is still connected to the vehicle and the power supply side, by controlling the disconnection of the signal line, for example, the vehicle is connected to the power supply side. Is maintained and the power supply side is controlled to turn on the charge to the vehicle, or the power supply side is made to recognize that the connection with the power supply side is disconnected and the charge to the vehicle is turned off. It can be controlled.

(3) Preferably, the signal line is connected to a signal line for notifying the power supply side that the battery can be charged.

With such a configuration, even when the charge control device remains connected to the vehicle and the power supply side, the vehicle can be charged to the power supply side, for example, by controlling the disconnection of the signal line. It is possible to recognize that the vehicle is in a state and control the charging of the vehicle to be turned on, or to recognize that the vehicle is in an unchargeable state and control the charging of the vehicle to be turned off.

(4) Preferably, the vehicle-side connector is the same as or compatible with the power supply connector.

With such a configuration, a general-purpose connector can be used, so that the manufacturing cost of the charge control device can be reduced.

(5) Preferably, the communication unit transmits a signal indicating the content of power supply to the vehicle.

With such a configuration, it is possible to confirm the result of remotely controlling the on / off of charging the vehicle in the device receiving the signal based on the actual power supply content.

(6) Preferably, the communication unit transmits a signal indicating the state of the switch.

With such a configuration, the device that has received the signal can acquire the control state of charging the vehicle on and off.

(7) The charge control device according to the embodiment of the present invention is provided with a battery, and can be connected to a vehicle that can travel by using the electric power stored in the battery and can be connected to a power supply connector for supplying power to the vehicle. A supply-side connector, a vehicle-side connector that can be connected to the vehicle and for supplying power received by the supply-side connector via the power supply connector to the vehicle, a supply-side connector, and the vehicle-side connector. A power supply line connected between the two to transmit the power received from the power supply connector to the vehicle side connector, a switch provided on the power supply line, a communication unit, and a signal received by the communication unit. A control unit that controls the power supply to the vehicle by controlling the switch accordingly is provided.

In this way, with the configuration that can remotely control the disconnection of the power supply line, the charging on and off of the vehicle can be remotely controlled even when the charging station is directly connected to the distribution board via the power supply line. Can be controlled from. Therefore, it is possible to remotely control the charging of the vehicle with a simple configuration. Further, since it is possible to remotely control the on / off of charging to the vehicle without controlling a device other than the charge control device, the charge control can be performed quickly.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same or corresponding parts in the drawings are designated by the same reference numerals, and the description thereof will not be repeated. In addition, at least a part of the embodiments described below may be arbitrarily combined.

[Configuration and basic operation]
FIG. 1 is a diagram showing a configuration of a charging system according to an embodiment of the present invention.

With reference to FIG. 1, the charging system 401 includes a charging cable 141, a power cutoff device 151, and a distribution board 161. The charging cable 141 includes a power supply connector 142 and a release button 143.

FIG. 2 is a diagram showing details of the configuration of the charging system according to the embodiment of the present invention. 1 and 2 show a state of the charging system 401 in which the charging control system 301 described later is not used.

With reference to FIG. 2, the vehicle 60 includes a vehicle inlet 61, a battery 62, a control unit 63, a resistor 64, a variable resistor 65, a power supply node 66, and a charge control circuit 67. The vehicle inlet 61 includes a HOT contact 61A, a COLD contact 61B, a GND contact 61C, a pilot signal contact 61D, and a connection signal contact 61E.

The power supply connector 142 includes a HOT contact 142A, a COLD contact 142B, a GND contact 142C, a pilot signal contact 142D, a connection signal contact 142E, and a switch 144. The power cutoff device 151 includes a control unit 81, a PWM generation unit 82, a resistor 83, and a relay 84.

With reference to FIGS. 1 and 2, the vehicle 60 is, for example, an EV (Electric Vehicle) or a PHEV (Plug-in Hybrid Electric Vehicle), and travels using the power stored in the battery 62, which is a secondary battery. It is possible.

The charging cable 141 is, for example, a cable for charging the battery 62 in the vehicle 60 from the distribution board 161 outside the vehicle. The charging cable 141 conforms to a standard set by, for example, SAE (Sociity of Automotive Engineers) in the United States or the Japan Electric Vehicle Association.

The power supply connector 142 is configured to be connectable to a counterparty connector, for example, a vehicle inlet 61 provided in the vehicle 60. More specifically, when the power supply connector 142 engages with the vehicle inlet 61, the release button 143 transitions to the off state, and the HOT contact 142A, the COLD contact 142B, the GND contact 142C, the pilot signal contact 142D, and the connection signal contact 142E. The HOT contact 61A, the COLD contact 61B, the GND contact 61C, the pilot signal contact 61D, and the connection signal contact 61E are electrically connected to each other.

Further, the connection between the power supply connector 142 and the vehicle inlet 61 is released by pressing the release button 143 to shift the release button 143 to the on state.

The HOT contact 142A in the power supply connector 142 is connected to the single-phase 200 volt AC power power supply 162 in the distribution board 161 via the AC power supply line 173H. The COLD contact 142B is connected to the power supply 162 via the AC feeder line 173L. The GND contact 142C is grounded via the GND line 174.

The pilot signal contact 142D is connected to the power cutoff device 151 via the CPLT signal line 175. The switch 144 has a first end connected to the connection signal contact 142E and a second end connected to the GND line 174.

The switch 144 operates in conjunction with the on / off state of the release button 143. More specifically, the switch 144 transitions to the on state when the power supply connector 142 and the counterparty connector are connected and the release button 143 transitions to the off state. As a result, the voltage of the connection signal contact 142E is pulled down to the ground voltage.

On the other hand, when the release button 143 is pressed and the switch 144 transitions to the on state, the switch 144 transitions to the off state.

When the power supply connector 142 is connected to the vehicle inlet 61, the power cutoff device 151 is controlled by the control unit 63 mounted on the vehicle 60.

The relay 84 in the power cutoff device 151 is provided between the power supply 162 and the HOT contact 142A and the COLD contact 142B in the power supply connector 142.

The relay 84 is turned on or off according to the control of the control unit 81. The relay 84 cuts off the electric power received from the power supply 162 in the off state, and outputs the electric power received from the power supply 162 in the on state to the HOT contact 142A and the COLD contact 142B via the AC feeder lines 173H and 173L, respectively.

The PWM generation unit 82 is described in, for example, Non-Patent Document 1 (“IEC6185-1 Electrical chemical charging system-Part 1: General ampacity”, INTERNATIONAL A CPLT (Control Pulse Line Transition) signal is generated by oscillating in a duty cycle set based on a rated current that can be energized. The PWM generation unit 82 outputs the generated CPLT signal to the resistor 83.

The resistor 83 has a first end connected to the pilot signal contact 142D of the power supply connector 142 via the CPLT signal line 175, and a second end connected to the PWM generation unit 82.

When the power supply connector 142 is connected to the vehicle inlet 61, the voltage of the CPLT signal in the CPLT signal line 175 is a predetermined voltage VH lower than a predetermined voltage VH or a predetermined voltage VH by the control unit 63 mounted on the vehicle 60 as described later. It is controlled by the voltage VL of.

The control unit 81 detects the voltage of the CPLT signal on the CPLT signal line 175, and controls to turn off the relay 84 when the detected voltage is VH. On the other hand, the control unit 81 controls to turn on the relay 84 when the detected voltage is VL.

The charge control circuit 67 in the vehicle 60 is connected to the HOT contact 61A, the COLD contact 61B and the GND contact 61C, and charges the battery 62 using the AC power received from the HOT contact 61A and the COLD contact 61B.

The resistor 64 has a first end connected to the power supply node 66 having a positive voltage and a second end connected to the connection signal contact 61E via the connection node N1 with the control unit 63.

The voltage of the connection node N1 becomes the ground voltage when the vehicle inlet 61 and the power supply connector 142 are connected, that is, when the switch 144 is on.

When the release button 143 is pressed and the release button 143 transitions to the on state, the switch 144 transitions to the off state, and the voltage of the connection node N1 is pulled up to a voltage higher than the ground voltage.

That is, when the vehicle inlet 61 and the power supply connector 142 are connected, the voltage at the connection node N1, that is, the level of the PISW signal is a logical low level, and when the release button 143 is pressed, the PISW signal at the connection node N1. The level of is a logical high level.

The variable resistor 65 has a first end connected to the pilot signal contact 61D and a grounded second end. The variable resistor 65 operates according to the control of the control unit 63, and transitions between a high resistance state in which its own resistance value is large and a low resistance state in which its own resistance value is small.

The variable resistor 65 can change the voltage of the CPLT signal on the CPLT signal line 175 according to the control of the control unit 63. More specifically, the variable resistor 65 sets the voltage of the CPLT signal on the CPLT signal line 175 to a voltage VL determined by the voltage division of the resistor 83 and the variable resistor 65 in the low resistance state. Further, the variable resistor 65 sets the voltage of the CPLT signal on the CPLT signal line 175 to a voltage VH determined by the voltage division of the resistor 83 and the variable resistor 65 in the high resistance state.

The control unit 63 monitors the level of the PISW signal at the connection node N1 and lowers the variable resistor 65 when the level of the PISW signal is a logical low level, that is, when the vehicle inlet 61 and the power supply connector 142 are connected. Controls the transition to the resistance state.

That is, when the level of the PISW signal at the connection node N1 is a logical low level, the voltage of the CPLT signal at the CPLT signal line 175 becomes the voltage VL.

On the other hand, the control unit 63 controls the variable resistor 65 to transition to the high resistance state when the level of the PISW signal at the connection node N1 is a logical high level, that is, when the release button 143 is pressed.

That is, when the level of the PISW signal at the connection node N1 is a logical high level, the voltage of the CPLT signal at the CPLT signal line 175 becomes the voltage VH.

FIG. 3 is a diagram showing a configuration of a charge control system according to an embodiment of the present invention.

With reference to FIG. 3, the charge control system 301 includes a charge control device 101 and a power management device 181.

The power management device 181 is, for example, a HEMS (Home Energy Management System), and can perform wireless communication with the charge control device 101.

The power management device 181 is provided in the house 152, for example, and manages the power consumed in the house 152. The power management device 181 controls, for example, on and off charging of the vehicle 60 according to the power consumption status of the house 152.

Specifically, the power management device 181 charges and controls the message according to the standard described in, for example, Non-Patent Document 2 (“The ECHONET Lite Specialization Version Ver1.12”, ECHONET CONSORTIUM, issued on September 30, 2015). Along with transmitting to the device 101, a message is received from the charge control device 101.

More specifically, when the vehicle 60 is turned off, the power management device 181 transmits a message including "Set contact state OFF" to the charge control device 101.

On the other hand, when the vehicle 60 is charged, the power management device 181 transmits a message including "Set contact state ON" to the charge control device 101.

Further, the power management device 181 can acquire the control state in the charge control device 101.

More specifically, when the power management device 181 acquires the charging current to the vehicle 60, the power management device 181 transmits a message including the "Get current value" to the charging control device 101.

Further, when the power management device 181 acquires the setting of turning on or off the charging of the vehicle 60, the power management device 181 transmits a message including the "Get contact state" to the charging control device 101.

FIG. 4 is a diagram showing a configuration of a charge control device in the charge control system according to the embodiment of the present invention. FIG. 5 is a diagram showing a configuration of a charging system and a charging control device according to an embodiment of the present invention.

With reference to FIGS. 4 and 5, the charge control device 101 includes a communication unit 21, a control unit 22, a switch 23, a sensor unit 24, a switch 26, a supply side connector 41, and a vehicle side connector 42. , AC feeder lines 43H, 43L, GND line 44, CPLT signal line 45, PISW signal line 46, and release button 47. The operation of the release button 47 is the same as that of the release button 143 shown in FIG.

The supply-side connector 41 includes a HOT contact 41A, a COLD contact 41B, a GND contact 41C, a pilot signal contact 41D, and a connection signal contact 41E. The vehicle-side connector 42 includes a HOT contact 42A, a COLD contact 42B, a GND contact 42C, a pilot signal contact 42D, and a connection signal contact 42E.

The charge control device 101 is provided between the vehicle 60 and the power supply side such as the charging cable 141, the power cutoff device 151, and the distribution board 161.

FIG. 6 is a diagram showing an example of the structure of the supply side connector in the charge control device according to the embodiment of the present invention.

With reference to FIG. 6, the supply side connector 41 can be connected to the power supply connector 142 for connecting to the vehicle 60 and supplying power to the vehicle 60.

More specifically, the structure of the supply-side connector 41 conforms to, for example, a standard set by SAE or the Japan Electric Vehicle Association, and corresponds to the structure of the power supply connector 142 in the charging cable 141.

With reference to FIGS. 4 and 5 again, the vehicle-side connector 42 can be connected to the vehicle 60, and supplies the electric power received by the supply-side connector 41 via the power supply connector 142 to the vehicle 60.

More specifically, the vehicle-side connector 42 has the same structure as, for example, the power supply connector 142. The vehicle-side connector 42 may have a structure compatible with the power supply connector 142.

The AC feeder lines 43H and 43L are connected between the supply side connector 41 and the vehicle side connector 42. More specifically, the AC feed line 43H electrically connects the HOT contact 41A in the supply side connector 41 and the HOT contact 42A in the vehicle side connector 42. The AC feeder 43L electrically connects the COLD contact 41B of the supply side connector 41 and the COLD contact 42B of the vehicle side connector 42.

The AC feed lines 43H and 43L transmit the electric power received from the supply-side connector 41 to the vehicle-side connector 42, that is, the AC power from the power supply 162 is transmitted to the vehicle 60.

The GND line 44 electrically connects the GND contact 41C in the supply side connector 41 and the GND contact 42C in the vehicle side connector 42.

The CPLT signal line 45 and the PISW signal line 46 are connected between the supply side connector 41 and the vehicle side connector 42. Specifically, the CPLT signal line 45 is connected to the CPLT signal line 175 for notifying the power supply side that the battery 62 can be charged, for example, via the pilot signal contact 41D and the pilot signal contact 142D. ..

More specifically, the CPLT signal line 45 electrically connects the pilot signal contact 41D of the supply side connector 41 and the pilot signal contact 42D of the vehicle side connector 42.

Further, the PISW signal line 46 is connected to the PISW signal line 176 for notifying the vehicle 60 of the connection state between the vehicle 60 and the power supply side via the connection signal contact 41E and the connection signal contact 142E. Further, as described above, the PISW signal line 46 transmits, for example, a duty cycle CPLT signal set based on the rated current that can be energized in the charging cable 141 in accordance with the standard described in Non-Patent Document 1. , Also used to notify the rated current.

More specifically, the PISW signal line 46 electrically connects the connection signal contact 41E in the supply side connector 41 and the connection signal contact 42E in the vehicle side connector 42.

The CPLT signal line 45 and the PISW signal line 46 exchange information regarding charging of the battery 62 between the vehicle 60 and the power supply side. Specifically, the CPLT signal line 45 transmits a CPLT signal, which is an example of information regarding charging of the battery 62. Further, the PISW signal line 46 transmits a PISW signal which is an example of information regarding charging of the battery 62.

The switches 23 and 26 are provided on, for example, the PISW signal line 46. More specifically, the switch 23 has a first end and a second end connected to the connection signal contact 41E. The switch 26 has a first end connected to the second end of the switch 23 and a second end connected to the connection signal contact 42E. The positions of the switches 23 and 26 on the PISW signal line 46 may be interchanged with each other.

The switch 23 operates according to the control by the control unit 22. The switch 26 operates in conjunction with the state of the release button 47, similarly to the switch 144 in the charging cable 141. More specifically, the switch 26 transitions to the on state when the vehicle side connector 42 and the vehicle inlet 61 are connected and the release button 47 transitions to the off state.

On the other hand, when the release button 47 is pressed and the release button 47 transitions to the on state, the switch 26 transitions to the off state.

The sensor unit 24 measures the current of the AC feeder line 43H. More specifically, the sensor unit 24 is, for example, a Hall element type current probe, and outputs a measurement signal indicating a measured value of the current flowing through the AC feeder line 43H to the control unit 22.

The sensor unit 24 may measure the current flowing through the AC feeder line 43L. Further, the sensor unit 24 may measure not only the current but also the voltage of at least one of the AC feeder lines 43H and 43L.

The communication unit 21 can perform wireless communication with the power management device 181. The communication unit 21 may perform wired communication with the power management device 181.

More specifically, the communication unit 21 transmits and receives a message to and from the power management device 181 according to the standard described in Non-Patent Document 2, for example.

The control unit 22 controls the power supply to the vehicle 60 by controlling the switch 23 according to the signal received by the communication unit 21.

Specifically, when the control unit 22 receives a message including "Set contact state ON" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn on the switch 23.

As a result, the level of the PISW signal becomes a logical low level in a state where the supply side connector 41 and the vehicle side connector 42 are connected to the power supply connector 142 and the vehicle inlet 61, respectively. By detecting that the level of the PISW signal has reached the logical low level, the control unit 63 controls to shift the variable resistor 65 to the low resistance state and set the voltage of the CPLT signal on the CPLT signal line 175 to VL. .. Then, the control unit 81 controls to turn on the relay 84 by detecting the voltage VL. That is, the AC power from the distribution board 161 is transmitted to the vehicle 60 via the AC feeder lines 43H and 43L.

Further, when the control unit 22 receives a message including "Set contact state OFF" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn off the switch 23.

As a result, the level of the PISW signal becomes a logical high level in a state where the supply side connector 41 and the vehicle side connector 42 are connected to the power supply connector 142 and the vehicle inlet 61, respectively. By detecting that the level of the PISW signal has reached the logical high level, the control unit 63 controls to shift the variable resistor 65 to the high resistance state and set the voltage of the CPLT signal on the CPLT signal line 175 to the voltage VH. Do. Then, the control unit 81 controls to turn off the relay 84 by detecting the voltage VH. That is, the AC power from the distribution board 161 is not transmitted from the relay 84 to the vehicle 60 side.

Further, when the control unit 22 receives the message including the "Get current value" from the power management device 181 via the communication unit 21, the control unit 22 controls to measure the current value flowing through the AC feed line 43H.

More specifically, the control unit 22 converts a signal that has undergone signal processing such as averaging and filtering on the measurement signal received from the sensor unit 24 into a digital signal, and includes the value of the converted digital signal, that is, the current value. Compose a message.

The control unit 22 outputs the created message to the communication unit 21. The control unit 22 may create a message including the voltage value of at least one of the AC feeder lines 43H and 43L and output the message to the communication unit 21.

The communication unit 21 transmits, for example, a signal indicating the contents of power supply to the vehicle 60. Specifically, when the communication unit 21 receives a message including a current value from the control unit 22, the communication unit 21 transmits the received message to the power management device 181.

Further, when the control unit 22 receives the message including the "Get contact state" from the power management device 181 via the communication unit 21, the control unit 22 confirms the open / closed state of the switch 23 and creates a message including the confirmation result. The control unit 22 outputs the created message to the communication unit 21.

The communication unit 21 transmits, for example, a signal indicating the state of the switch 23. Specifically, when the communication unit 21 receives a message including the confirmation result from the control unit 22, the communication unit 21 transmits the received message to the power management device 181.

[Modification 1 of charge control device 101]
FIG. 7 is a diagram showing a configuration of a modified example of the charge control device in the charge control system according to the embodiment of the present invention.

With reference to FIG. 7, the charge control device 102, which is a modification of the charge control device 101, includes a switch 27 instead of the switch 23, as compared with the charge control device 101 shown in FIG.

Communication unit 21, control unit 22, sensor unit 24, switch 26, supply side connector 41, vehicle side connector 42, AC power supply line 43H, 43L, GND line 44, CPLT signal line 45, PISW signal line 46 in the charge control device 102. The operation of the release button 47 is as follows: communication unit 21, control unit 22, sensor unit 24, switch 26, supply side connector 41, vehicle side connector 42, AC power supply line 43H, 43L, GND in the charge control device 101 shown in FIG. This is the same as the line 44, the CPLT signal line 45, the PISW signal line 46, and the release button 47, respectively.

The switch 27 is provided, for example, on the CPLT signal line 45. More specifically, the switch 27 has a first end connected to the pilot signal contact 41D and a second end connected to the pilot signal contact 42D. The switch 27 operates according to the control by the control unit 22.

When the control unit 22 receives a message including "Set contact state ON" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn on the switch 27.

As a result, when the supply side connector 41 and the vehicle side connector 42 are connected to the power supply connector 142 and the vehicle inlet 61, respectively, the control unit 63 that detects the logical low level PISW signal puts the variable resistor 65 into a low resistance state. The transition is performed to control the voltage of the CPLT signal on the CPLT signal line 175 to be VL. Then, the control unit 81 controls to turn on the relay 84 by detecting the voltage VL. That is, the AC power from the distribution board 161 is transmitted to the vehicle 60 via the AC feeder lines 43H and 43L.

Further, when the control unit 22 receives a message including "Set contact state OFF" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn off the switch 27.

As a result, the control unit 81 detects the voltage of the CPLT signal different from both the voltage VH and VL in the state where the supply side connector 41 and the vehicle side connector 42 are connected to the power supply connector 142 and the vehicle inlet 61, respectively. , Controls to turn off the relay 84. That is, the AC power from the distribution board 161 is not transmitted from the relay 84 to the vehicle 60 side.

[Modification 2 of charge control device 101]
FIG. 8 is a diagram showing a configuration of a modified example of the charge control device in the charge control system according to the embodiment of the present invention.

With reference to FIG. 8, the charge control device 103, which is a modification of the charge control device 101, includes switches 28A and 28B instead of the switch 23, as compared with the charge control device 101 shown in FIG.

Communication unit 21, control unit 22, sensor unit 24, switch 26, supply side connector 41, vehicle side connector 42, AC power supply line 43H, 43L, GND line 44, CPLT signal line 45, PISW signal line 46 in the charge control device 103. The operation of the release button 47 is as follows: communication unit 21, control unit 22, sensor unit 24, switch 26, supply side connector 41, vehicle side connector 42, AC power supply line 43H, 43L, GND in the charge control device 101 shown in FIG. This is the same as the line 44, the CPLT signal line 45, the PISW signal line 46, and the release button 47, respectively.

The switches 28A and 28B are provided, for example, on the AC feeder lines 43H and 43L, respectively. More specifically, the switch 28A has a first end connected to the HOT contact 41A and a second end connected to the HOT contact 42A. The switch 28B has a first end connected to the COLD contact 41B and a second end connected to the COLD contact 42B. The switches 28A and 28B operate according to the control by the control unit 22.

When the control unit 22 receives a message including "Set contact state ON" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn on the switches 28A and 28B.

As a result, the HOT contact 41A and the COLD contact 41B are electrically connected, and the COLD contact 41B and the COLD contact are connected in a state where the supply side connector 41 and the vehicle side connector 42 are connected to the power supply connector 142 and the vehicle inlet 61, respectively. Since the 42B is electrically connected, the AC power from the distribution board 161 is transmitted to the vehicle 60 via the AC power supply lines 43H and 43L.

Further, when the control unit 22 receives a message including "Set contact state OFF" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn off the switches 28A and 28B.

As a result, when the supply side connector 41 and the vehicle side connector 42 are connected to the power supply connector 142 and the vehicle inlet 61, respectively, the HOT contact 41A and the COLD contact 41B are insulated, and the COLD contact 41B and the COLD contact 42B are insulated. Therefore, the AC power from the distribution board 161 is not transmitted from the relay 84 to the vehicle 60 side.

[Modification 3 of Charge Control Device 101]
FIG. 9 is a diagram showing a configuration of a modified example of the charge control device in the charge control system according to the embodiment of the present invention.

With reference to FIG. 9, the charge control device 104, which is a modification of the charge control device 101, further includes a switch 27 and switches 28A and 28B as compared with the charge control device 101 shown in FIG.

Communication unit 21, control unit 22, switch 23, sensor unit 24, switch 26, supply side connector 41, vehicle side connector 42, AC feed line 43H, 43L, GND line 44, CPLT signal line 45, PISW in the charge control device 104. The operation of the signal line 46 and the release button 47 is as follows: the communication unit 21, the control unit 22, the switch 23, the sensor unit 24, the switch 26, the supply side connector 41, the vehicle side connector 42, and the AC supply in the charge control device 101 shown in FIG. The same applies to the electric wires 43H and 43L, the GND line 44, the CPLT signal line 45, the PISW signal line 46, and the release button 47, respectively.

The operation of the switch 27 in the charge control device 104 is the same as that of the switch 27 in the charge control device 102 shown in FIG. 7.

The operations of the switches 28A and 28B in the charge control device 104 are the same as those of the switches 28A and 28B in the charge control device 103 shown in FIG. 8, respectively.

When the control unit 22 receives a message including "Set contact state ON" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn on the switch 23, the switch 27, and the switches 28A and 28B.

Further, when the control unit 22 receives a message including "Set contact state OFF" from the power management device 181 via the communication unit 21, the control unit 22 controls to turn off the switch 23, the switch 27, and the switches 28A and 28B.

It is assumed that the charge control devices 101 and 102 according to the embodiment of the present invention are provided with AC feed lines 43L and 43H, but the present invention is not limited to this. The charge control devices 101 and 102 may not be provided with the AC feed lines 43L and 43H.

Further, the charge control device 101 according to the embodiment of the present invention is said to have a configuration including a CPLT signal line 45, but the present invention is not limited to this. The charge control device 101 may be configured not to include the CPLT signal line 45.

Further, although the charge control device 102 according to the embodiment of the present invention is configured to include the PISW signal line 46, the present invention is not limited to this. The charge control device 102 may be configured not to include the PISW signal line 46.

Further, the charge control device 103 according to the embodiment of the present invention is configured to include the CPLT signal line 45 and the PISW signal line 46, but the present invention is not limited to this. The charge control device 103 may not include the CPLT signal line 45 and the PISW signal line 46.

Further, the charge control device 103 according to the embodiment of the present invention is configured to include switches 28A and 28B, but the present invention is not limited to this. The charge control device 103 may be configured to include either one of the switches 28A and 28B.

Further, the charge control device 104 according to the embodiment of the present invention is configured to include both the switch 23 and the switch 27, but the present invention is not limited to this. The charge control device 104 may be configured to include either the switch 23 or the switch 27.

By the way, for example, by connecting a charging stand that supplies charging power to an electric vehicle to an outlet that functions as a connection portion in the power supply device described in Patent Document 1, it is possible to remotely control charging on and off. It will be possible.

However, for example, when the charging stand is directly connected to the distribution board via the power supply line, it becomes difficult to connect the charging stand to the outlet. In such a case, it becomes difficult to remotely control the on and off of charging the electric vehicle.

On the other hand, in the charge control device according to the embodiment of the present invention, the supply side connector 41 includes the battery 62 and is connected to the vehicle 60 capable of traveling by using the electric power stored in the battery 62. Can be connected to the power supply connector 142 for supplying power to the battery. The vehicle-side connector 42 is a connector that can be connected to the vehicle 60 and is for supplying the electric power received by the supply-side connector 41 via the power supply connector 142 to the vehicle 60. The PISW signal line 46 is connected between the supply side connector 41 and the vehicle side connector 42, and is a signal line for exchanging information regarding charging of the battery 62 between the vehicle 60 and the power supply side. The switch 23 is provided on the PISW signal line 46. The control unit 22 controls the power supply to the vehicle 60 by controlling the switch 23 according to the signal received by the communication unit 21.

In this way, with the configuration in which the interruption of the PISW signal line 46 can be controlled remotely, for example, the on / off of the power supply from the power supply side such as the charging stand to the vehicle 60 depends on the interruption state of the PISW signal line 46. When the charging stand is directly connected to the distribution board 161 via the power supply line, the charging on and off of the vehicle 60 can be controlled remotely. Therefore, it is possible to remotely control the charging of the vehicle with a simple configuration.

Further, in the charge control device according to the embodiment of the present invention, the supply side connector 41 includes a battery 62, and is connected to a travelable vehicle 60 by using the electric power stored in the battery 62 to supply power to the vehicle 60. Can be connected to the power supply connector 142 for The vehicle-side connector 42 is a connector that can be connected to the vehicle 60 and is for supplying the electric power received by the supply-side connector 41 via the power supply connector 142 to the vehicle 60. The CPLT signal line 45 is connected between the supply side connector 41 and the vehicle side connector 42, and is a signal line for exchanging information regarding charging of the battery 62 between the vehicle 60 and the power supply side. The switch 27 is provided on the CPLT signal line 45. The control unit 22 controls the power supply to the vehicle 60 by controlling the switch 27 according to the signal received by the communication unit 21.

In this way, with a configuration in which the interruption of the CPLT signal line 45 can be controlled remotely, for example, the on / off of the power supply from the power supply side such as the charging stand to the vehicle 60 depends on the interruption state of the CPLT signal line 45. When the charging stand is directly connected to the distribution board 161 via the power supply line, the charging on and off of the vehicle 60 can be controlled remotely. Therefore, it is possible to remotely control the charging of the vehicle with a simple configuration.

Further, in the charge control device according to the embodiment of the present invention, the PISW signal line 46 is connected to the PISW signal line 176 for notifying the vehicle 60 of the connection state between the vehicle 60 and the power supply side.

With such a configuration, even when the charge control device 101 is still connected to the vehicle 60 and the power supply side, by controlling the interruption of the PISW signal line 46, for example, the electric power can be supplied to the vehicle 60. The power supply side is made to recognize that the connection with the power supply side is maintained and the power supply side is controlled to turn on the charging of the vehicle 60, or the power supply side is made to recognize that the connection with the power supply side is disconnected and the vehicle is made. It is possible to control the charging of the 60 to be turned off.

Further, in the charge control device according to the embodiment of the present invention, the CPLT signal line 45 is connected to the CPLT signal line 175 for notifying the power supply side that the battery 62 can be charged.

With such a configuration, even when the charge control device 101 is still connected to the vehicle 60 and the power supply side, by controlling the interruption of the CPLT signal line 45, for example, the vehicle can be connected to the power supply side. Control to recognize that the vehicle 60 is in a rechargeable state and turn on charging of the vehicle 60, or control to recognize that the vehicle 60 is in a non-chargeable state and turn off charging of the vehicle 60. You can let them do it.

Further, in the charge control device according to the embodiment of the present invention, the vehicle-side connector 42 is the same as or compatible with the power supply connector 142.

With such a configuration, a general-purpose connector can be used, so that the manufacturing cost of the charge control device 101 can be reduced.

Further, in the charge control device according to the embodiment of the present invention, the communication unit 21 transmits a signal indicating the content of power supply to the vehicle 60.

With such a configuration, it is possible to confirm the result of remotely controlling the on / off of charging of the vehicle 60 in the device receiving the signal based on the actual power supply content.

Further, in the charge control device according to the embodiment of the present invention, the communication unit 21 transmits a signal indicating the state of at least one of the switch 23 and the switch 27.

With such a configuration, the device that has received the signal can acquire the control state of charging the vehicle 60 on and off.

Further, in the charge control device according to the embodiment of the present invention, the supply side connector 41 includes a battery 62, and is connected to a travelable vehicle 60 by using the electric power stored in the battery 62 to supply power to the vehicle 60. Can be connected to the power supply connector 142 for The vehicle-side connector 42 is a connector that can be connected to the vehicle 60 and is for supplying the electric power received by the supply-side connector 41 via the power supply connector 142 to the vehicle 60. The AC feed lines 43H and 43L are connected between the supply side connector 41 and the vehicle side connector 42, and are power supply lines for transmitting the electric power received from the power supply connector 142 to the vehicle side connector 42. The switches 28A and 28B are provided on the AC feeder lines 43H and 43L, respectively. Then, the control unit 22 controls the power supply to the vehicle 60 by controlling the switches 28A and 28B according to the signal received by the communication unit 21.

In this way, with the configuration in which the interruption of the AC feed lines 43H and 43L can be controlled remotely, the vehicle 60 can be charged even when the charging stand is directly connected to the distribution board 161 via the power supply line. Can be remotely controlled on and off. Therefore, it is possible to remotely control the charging of the vehicle 60 with a simple configuration. Further, since the on / off of charging to the vehicle 60 can be remotely controlled without controlling a device other than the charge control device 101, the charge control can be performed quickly.

It should be considered that the above embodiments are exemplary in all respects and not restrictive. The scope of the present invention is shown by the scope of claims rather than the above description, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

The above description includes the features described below.

[Appendix 1]
It is a charge control device
A supply-side connector that has a battery and can be connected to a power supply connector for connecting to a vehicle that can run using the electric power stored in the battery and supplying power to the vehicle.
A vehicle-side connector that can be connected to the vehicle and that supplies power received by the supply-side connector via the power supply connector to the vehicle.
A signal line connected between the supply-side connector and the vehicle-side connector for exchanging information regarding charging of the battery between the vehicle and the power supply side.
The switch provided on the signal line and
With the communication department
A control unit that controls the power supply to the vehicle by controlling the switch according to the signal received by the communication unit is provided.
The charge control device is provided between the vehicle and a power cutoff device that controls the cutoff of electric power supplied to the vehicle.
The battery is a secondary battery and
The vehicle is an EV (Electric Vehicle) or a PHEV (Plug-in Hybrid Electric Vehicle).
The power supply connector, the supply side connector, and the vehicle side connector comply with the standards defined by SAE (SAE (Sociacy of Automotive Engineers)) or the Japan Electric Vehicle Association.
The signal line transmits a CPLT signal containing the information or a PISW signal including the information, which is exchanged between the vehicle and the power cutoff device.
The communication unit is a charge control device that transmits / receives the signal to and from a power management device for managing electric power in a house in accordance with the ECHONET Lite standard.

[Appendix 2]
It is a charge control device
A supply-side connector that is equipped with a battery and can be connected to a power supply connector for connecting to a vehicle that can run using the electric power stored in the battery and supplying power to the vehicle.
A vehicle-side connector that can be connected to the vehicle and that supplies power received by the supply-side connector via the power supply connector to the vehicle.
A feeder line connected between the supply side connector and the vehicle side connector and for transmitting the electric power received from the power supply connector to the vehicle side connector.
A switch provided on the feeder and
With the communication department
It includes a control unit that controls the power supply to the vehicle by controlling the switch according to the signal received by the communication unit.
The charge control device is provided between the vehicle and a power cutoff device that controls the cutoff of electric power supplied to the vehicle.
The battery is a secondary battery and
The vehicle is an EV or PHEV
The power supply connector, the supply side connector, and the vehicle side connector comply with the standards set by SAE or the Japan Electric Vehicle Association.
The communication unit is a charge control device that transmits and receives the signal and a power management device for managing electric power in a house in accordance with the ECHONET Lite standard.

21 Communication unit 22 Control unit 23 switch 24 Sensor unit 26 switch 27 switch 28A, 28B switch 41 Supply side connector 42 Vehicle side connector 43L, 43H AC power supply line 44 GND line 45 CPLT signal line 46 PISW signal line 47 Release button 60 Vehicle 61 Vehicle inlet 62 Battery 63 Control unit 64 Resistance 65 Variable resistance 66 Power supply node 67 Charge control circuit 81 Control unit 82 PWM generator 83 Resistance 84 Relay 101, 102, 103, 104 Charge control device 141 Charging cable 142 Power supply connector 143 Release button 144 Switch 151 Power cutoff device 161 Distribution board 162 Power supply 173L, 173H AC power supply line 173 AC power supply line 174 GND line 175 CPLT signal line 176 PISW signal line 181 Power management device 301 Charge control system 401 Charging system

Claims (7)

A supply-side connector that is equipped with a battery and can be connected to a power supply connector for connecting to a vehicle that can run using the electric power stored in the battery and supplying power to the vehicle.
A vehicle-side connector that can be connected to the vehicle and that supplies power received by the supply-side connector via the power supply connector to the vehicle.
A signal line connected between the supply-side connector and the vehicle-side connector for exchanging information regarding charging of the battery between the vehicle and the power supply side.
The switch provided on the signal line and
A communication unit capable of wirelessly communicating with a management device that controls charging on and off of the vehicle, and
A charging control device including a control unit that controls the power supply to the vehicle by controlling the switch according to a signal received from the management device by the communication unit. The charge control device according to claim 1, wherein the signal line is connected to a signal line for notifying the vehicle of a connection state between the vehicle and the power supply side. The charge control device according to claim 1, wherein the signal line is connected to a signal line for notifying the power supply side that the battery can be charged. The charge control device according to any one of claims 1 to 3, wherein the vehicle-side connector has the same structure as the power supply connector or a structure compatible with the power supply connector. The charge control device according to any one of claims 1 to 4, wherein the communication unit transmits a signal indicating the content of power supply to the vehicle to the management device. The charge control device according to any one of claims 1 to 5, wherein the communication unit transmits a signal indicating the state of the switch to the management device. A supply-side connector that is equipped with a battery and can be connected to a power supply connector for connecting to a vehicle that can run using the electric power stored in the battery and supplying power to the vehicle.
A vehicle-side connector that can be connected to the vehicle and that supplies power received by the supply-side connector via the power supply connector to the vehicle.
A feeder line connected between the supply side connector and the vehicle side connector and for transmitting the electric power received from the power supply connector to the vehicle side connector.
A switch provided on the feeder and
A communication unit capable of wirelessly communicating with a management device that controls charging on and off of the vehicle, and
The communication unit includes a control unit that controls the power supply to the vehicle by controlling the switch in response to a signal received from the management device .
The power supply connector is a charge control device that can be connected to the vehicle to which the vehicle-side connector can be connected .

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