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Device and method for car-to-car charging

A vehicle-to-vehicle, charger technology, applied in circuit devices, battery circuit devices, electric vehicle charging technology, etc., can solve problems such as electric shocks for operators, and achieve the effect of cost saving and road rescue convenience.

Active Publication Date: 2021-04-13
ZHEJIANG GEELY HLDG GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the AC charging and discharging connection device inserts the discharge port into the vehicle that needs to be discharged, and the charging port is not connected to the vehicle that needs to be charged, the connection device is in a charged state, which makes the operator have the risk of electric shock and has certain disadvantages.

Method used

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  • Device and method for car-to-car charging
  • Device and method for car-to-car charging
  • Device and method for car-to-car charging

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A vehicle-to-vehicle charging device, such as figure 1with figure 2 As shown, among them, figure 1 Shown car A is a power supply car, and car B is a tram receiving car. The vehicle-to-vehicle charging device includes: a vehicle-mounted bidirectional charger, a charging and discharging connection device and a control box.

[0038] The vehicle-mounted two-way charger is used to charge the electric vehicle or receive the discharge of the power supply vehicle. The vehicle-mounted two-way charger includes an inverter, a rectifier and a charge-discharge mode control unit, and the inverter is used to convert direct current into alternating current , so that the battery on the car provides output power for the on-board bidirectional charger. The rectifier is used to convert the alternating current into direct current to charge the battery on the car. The charging and discharging mode control unit is used to control the charging direction and switch The working mode of the o...

Embodiment 2

[0056] The embodiment of the present invention proposes a vehicle-to-vehicle charging method, such as image 3 As shown, the method includes:

[0057] S1. The first vehicle-mounted bidirectional charger of the power supply vehicle is connected to the charging and discharging connection device, and sends a CP signal and a CC signal to the second vehicle-mounted bidirectional charger of the powered vehicle. The CC signal is used for connection confirmation, and the CP signal is used for connection confirmation. confirmed by control

[0058] S2. The second on-board two-way charger of the receiving vehicle is connected to the charging and discharging connection device, and obtains the CP signal and CC signal from the charging and discharging connecting device. If the CC signal is successfully transmitted, the connection is confirmed, and the receiving vehicle starts self-inspection;

[0059] S3. After the CC signal line is turned on, the power supply vehicle adjusts the amplitude...

Embodiment 3

[0066] The embodiment of the present invention proposes a control box, the control box is set on the vehicle-to-vehicle charging and discharging connection device, the control box is used to access and control the signal sent by the power supply vehicle, and transmit the signal to the power receiving vehicle.

[0067] Such as Figure 4 As shown, car A is the power supply car, and car B is the electric car. The control box is provided with a power supply vehicle interface and an electric vehicle interface. The control box is also provided with a CP signal detection unit and a CP signal transmission unit. The CP signal detection unit is connected to one side of the power supply vehicle, and the CP signal The sending unit is connected to one side of the receiving car.

[0068] Both the power supply vehicle interface and the electric vehicle interface are equipped with a three-phase alternating current interface, an N line interface, a PE line interface, a CC signal interface an...

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Abstract

The invention relates to the field of electronic appliances, and provides a vehicle-to-vehicle charging device and method. The vehicle-to-vehicle charging device includes: a vehicle-mounted bidirectional charger, a charging and discharging connection device and a control box. The vehicle-mounted bidirectional charger is used to charge other vehicles or receive discharge from other vehicles. The charging and discharging connection device is used to connect the power supply vehicle and the power receiving vehicle, and the control box is provided with an AC control switch, and the AC control switch controls the charging current. In the present invention, a control box is added between the charging and discharging connection devices of the power supplying vehicle and the receiving vehicle. The control box can control the on and off of the charging current, and interrupt the charging current when the operator is operating, so as to prevent the operator from getting an electric shock.

Description

technical field [0001] The invention relates to the field of electronic appliances, in particular to a vehicle-to-vehicle charging device and method. Background technique [0002] New energy vehicles are currently a hot spot, and new energy vehicles have attracted widespread attention for their low pollution and energy saving. Electric vehicles are new energy vehicles. Whether electric vehicles use pure electric power or hybrid power, after a period of driving, the battery needs to be charged after the power is exhausted. Therefore electric vehicle wants to popularize, the setting of charging device is indispensable. However, in some cases, the electric car may run out of power before reaching a fixed charging device, and there may not be a fixed charging device nearby, so in such cases, the owner can only find a rescue tow truck to send the electric car to Go to the nearest fixed charging device or use a mobile charging vehicle equipped with a mobile charging pile to char...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L53/20B60L53/00
CPCB60L53/14B60L53/60H02J7/342B60L53/16B60L55/00Y02E60/00Y02T10/70Y02T10/7072Y02T90/12Y02T90/14Y04S10/126
Inventor 桂杰明娄莉娜李正军
Owner ZHEJIANG GEELY HLDG GRP CO LTD
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