A charging structure based on EVCC to realize the conversion from American standard to European standard

Abstract

A charging structure for converting American standards to European standards based on EVCC, comprising: a power supply device EVES, a pile-end charging plug, a vehicle-end charging socket, an EVCC control communicator PP detection circuit and a BMS battery management system PP detection circuit, wherein the power supply device EVES is equipped with a pile-end charging plug, the left side of the EVCC control communicator PP detection circuit is equipped with a vehicle-end charging socket, and the right end of the EVCC control communicator PP detection circuit is connected to a battery management system, wherein a resistor R3 is installed at the left end of the EVCC control communicator PP detection circuit, the upper part of the resistor R3 is connected to a 5V positive voltage, the right side of the lower part of the resistor R3 is connected to a detection logic, the left side of the resistor R3 is connected to the vehicle-end charging socket, and a resistor R4 is installed in the right end of the EVCC control communicator PP detection circuit, and the upper part of the resistor R4 is connected to the left side of a switch SW. The utility model fully takes into account the situation of multi-standard charging piles in some countries, and the new EVCC has stronger compatibility and can solve the disadvantage that American standard vehicles cannot adapt to multi-standard charging piles.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle charging, and in particular to a charging structure based on EVCC that realizes conversion from American standards to European standards. Background Art

[0002] Regarding the issue of national charging pile resources, charging piles that use both European and American charging standards are used. Since the vehicle is only equipped with a charging system that uses the American charging method, it cannot be charged on the European charging piles, resulting in inconvenience in charging.

[0003] Based on this, in order to solve the problem that American standard new energy vehicles cannot be charged on European standard charging piles, this design proposes a charging structure based on EVCC to realize the conversion from American standard to European standard. Utility Model Content

[0004] The utility model aims to provide a charging structure based on EVCC for converting American standards to European standards.

[0005] A charging structure based on EVCC for converting American standards to European standards, comprising: a power supply device EVES, a charging plug at a pile end, a charging socket at a vehicle end, an EVCC control communicator PP detection circuit and a BMS battery management system PP detection circuit, wherein the power supply device EVES is equipped with a charging plug at a pile end, a charging socket at a vehicle end is installed on the left side of the EVCC control communicator PP detection circuit, and the right end of the EVCC control communicator PP detection circuit is connected to the battery management system, wherein a resistor R3 is installed at the left end of the EVCC control communicator PP detection circuit, a 5V positive voltage is connected to the upper part of the resistor R3, and the resistor R3 The right side of the lower part is connected to the detection logic, the left side of the resistor R3 is connected to the vehicle-end charging socket, a resistor R4 is installed in the right end of the EVCC control communicator PP detection circuit, the upper part of the resistor R4 is connected to the left side of the switch SW, the right side of the switch SW is downwardly connected to the upper part of the resistor R4, the right side of the switch SW is forwardly connected to the battery management system, the lower part of the resistor R4 is connected to the upper part of the switch S3 and the upper part of the resistor R5, the switch S3 and the lower part of the resistor R5 are connected to each other, the switch S3 and the lower part of the resistor R5 are simultaneously connected to the vehicle-end charging socket and the lower part of the resistor R6, and the S3 and the lower part of the resistor R5 are grounded in the battery management system.

[0006] Preferably, the vehicle-end charging socket has a built-in resistor R2, the resistance of the resistor R2 is 4700 ohms, the upper part of the resistor R2 is connected to the resistor R3 in the EVCC control communicator PP detection circuit, and the lower part of the resistor R2 is connected to the switch S3, the resistor R5 and the lower part of the resistor R6 in the EVCC control communicator PP detection circuit and is grounded in the battery management system.

[0007] Preferably, a resistor R7 is installed in the PP detection circuit of the BMS battery management system, the upper part of the resistor R7 is connected to a 5V positive voltage, the lower part of the resistor R7 is connected to the detection logic, the lower part of the resistor R7 is connected to the upper part of the resistor R6 in the PP detection circuit of the EVCC control communicator and the right side of the switch SW, and a ground wire connecting the chassis ground to other systems is installed inside the battery management system.

[0008] Preferably, a resistor R1 is installed inside the charging plug at the pile end, the upper part of the resistor R1 is connected to the power supply device, and the lower part of the resistor R1 is connected to the power supply device and grounded.

[0009] Preferably, the resistance of the resistor R3 is 330 ohms, the resistance of the resistor R4 is 150 ohms, the resistance of the resistor R5 is 330 ohms, and the resistance of the resistor R6 is 2700 ohms.

[0010] Preferably, the resistance of the resistor R7 is 330 ohms.

[0011] Preferably, the resistance of the resistor R1 is 1500 ohms.

[0012] The beneficial effects of the above scheme are:

[0013] 1. The utility model fully takes into account the situation of multi-standard charging piles in some countries. The new EVCC has stronger compatibility and can solve the shortcoming that American standard vehicles cannot be adapted to multi-standard charging piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the circuit principle of the utility model. DETAILED DESCRIPTION

[0015] The present invention is further explained in detail below in conjunction with the accompanying drawings of the specification, but the protection scope of the present invention is not limited thereto.

[0016] according to Figure 1As shown, a charging structure based on EVCC for converting from American standard to European standard includes: power supply equipment EVES, charging plug at pile end, charging socket at vehicle end, EVCC control communicator PP detection circuit and BMS battery management system PP detection circuit, the power supply equipment EVES is equipped with a charging plug at pile end, the left side of the EVCC control communicator PP detection circuit is equipped with a charging socket at vehicle end, the right end of the EVCC control communicator PP detection circuit is connected to the battery management system, wherein the left end of the EVCC control communicator PP detection circuit is equipped with a resistor R3, the upper part of the resistor R3 is connected to a 5V positive voltage, and the resistor R 3 is connected to the detection logic, the left side of the resistor R3 is connected to the vehicle-end charging socket, a resistor R4 is installed in the right end of the EVCC control communicator PP detection circuit, the upper part of the resistor R4 is connected to the left side of the switch SW, the right side of the switch SW is connected downwardly to the upper part of the resistor R4, the right side of the switch SW is connected forwardly to the battery management system, the lower part of the resistor R4 is connected to the upper part of the switch S3 and the upper part of the resistor R5, the switch S3 and the lower part of the resistor R5 are connected to each other, the switch S3 and the lower part of the resistor R5 are simultaneously connected to the vehicle-end charging socket and the lower part of the resistor R6, and the S3 and the lower part of the resistor R5 are grounded in the battery management system.

[0017] Specifically, the vehicle-end charging socket has a built-in resistor R2, the resistance of the resistor R2 is 4700 ohms, the upper part of the resistor R2 is connected to the resistor R3 in the EVCC control communicator PP detection circuit, and the lower part of the resistor R2 is connected to the switch S3, the resistor R5 and the lower part of the resistor R6 in the EVCC control communicator PP detection circuit and is grounded in the battery management system.

[0018] Specifically, a resistor R7 is installed in the PP detection circuit of the BMS battery management system, the upper part of the resistor R7 is connected to a 5V positive voltage, the lower part of the resistor R7 is connected to the detection logic, the lower part of the resistor R7 is connected to the upper part of the resistor R6 in the PP detection circuit of the EVCC control communicator and the right side of the switch SW, and a ground wire connecting the chassis ground to other systems is installed inside the battery management system.

[0019] Specifically, a resistor R1 is installed inside the charging plug at the pile end, the upper part of the resistor R1 is connected to the power supply device, and the lower part of the resistor R1 is connected to the power supply device and grounded.

[0020] Specifically, the resistance of the resistor R3 is 330 ohms, the resistance of the resistor R4 is 150 ohms, the resistance of the resistor R5 is 330 ohms, and the resistance of the resistor R6 is 2700 ohms.

[0021] Specifically, the resistance of the resistor R7 is 330 ohms.

[0022] Specifically, the resistance of the resistor R1 is 1500 ohms.

[0023] Working principle:

[0024] The utility model discloses a charging structure based on EVCC to realize conversion from American standard to European standard, including resistor R3, resistor R4, resistor R5, resistor R6, switch S3, switch SW, Figure 1 It can be seen that switch S3 and resistor R5 are connected in parallel. When working, when the voltage at the detection point of the PP detection circuit of the EVCC control communicator is between 1 and 4V, the switch SW in the PP detection circuit of the EVCC control communicator is closed and the switch S3 is opened, so that resistors R4 and R5 are connected in series and then connected in parallel with resistor R6. At this time, the PP detection point voltage in the PP detection circuit of the BMS battery management system is about 1.5V, which meets the American standard detection requirements and can enter the charging process. Therefore, the new EVCC control communicator PP detection circuit has strong compatibility and can enable the American standard charging standard to realize multi-standard charging methods.

Claims

1. A charging structure based on EVCC to realize the conversion from American standard to European standard, comprising: The power supply equipment EVES, the pile-end charging plug, the vehicle-end charging socket, the EVCC control communicator PP detection circuit and the BMS battery management system PP detection circuit, the power supply equipment EVES is equipped with a pile-end charging plug, the vehicle-end charging socket is installed on the left side of the EVCC control communicator PP detection circuit, and the right end of the EVCC control communicator PP detection circuit is connected to the battery management system, characterized in that the left end of the EVCC control communicator PP detection circuit is equipped with a resistor R3, the upper part of the resistor R3 is connected to a 5V positive voltage, and the lower right side of the resistor R3 is connected to the detection logic The left side of the resistor R3 is connected to the vehicle-end charging socket, and a resistor R4 is installed in the right end of the EVCC control communicator PP detection circuit. The upper part of the resistor R4 is connected to the left side of the switch SW, and the right side of the switch SW is connected downward to the upper part of the resistor R4. The right side of the switch SW is connected forward to the battery management system. The lower part of the resistor R4 is connected to the upper part of the switch S3 and the upper part of the resistor R5. The switch S3 and the lower part of the resistor R5 are connected to each other. The switch S3 and the lower part of the resistor R5 are simultaneously connected to the vehicle-end charging socket and the lower part of the resistor R6. The S3 and the lower part of the resistor R5 are grounded in the battery management system.

2. A charging structure for converting American standard to European standard based on EVCC as claimed in claim 1, characterized in that: The vehicle-end charging socket has a built-in resistor R2, the resistance of which is 4700 ohms. The upper part of the resistor R2 is connected to the resistor R3 in the EVCC control communicator PP detection circuit, and the lower part of the resistor R2 is connected to the switch S3, the resistor R5 and the lower part of the resistor R6 in the EVCC control communicator PP detection circuit and is grounded in the battery management system.

3. A charging structure for converting American standard to European standard based on EVCC as claimed in claim 1, characterized in that: The BMS battery management system PP detection circuit is equipped with a resistor R7, the upper part of the resistor R7 is connected to a 5V positive voltage, the lower part of the resistor R7 is connected to the detection logic, the lower part of the resistor R7 is connected to the upper part of the resistor R6 in the EVCC control communicator PP detection circuit and the right side of the switch SW, and the battery management system is equipped with a ground wire from the chassis ground to other systems.

4. The charging structure for converting American standard to European standard based on EVCC as claimed in claim 1, characterized in that: A resistor R1 is installed inside the charging plug at the pile end. The upper part of the resistor R1 is connected to the power supply device, and the lower part of the resistor R1 is connected to the power supply device and grounded.

5. The charging structure for converting American standard to European standard based on EVCC as claimed in claim 1, characterized in that: The resistance of the resistor R3 is 330 ohms, the resistance of the resistor R4 is 150 ohms, the resistance of the resistor R5 is 330 ohms, and the resistance of the resistor R6 is 2700 ohms.

6. A charging structure for converting American standard to European standard based on EVCC as claimed in claim 3, characterized in that: The resistor R7 has a resistance of 330 ohms.

7. A charging structure for converting American standard to European standard based on EVCC as claimed in claim 4, characterized in that: The resistor R1 has a resistance of 1500 ohms.

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