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

Abstract

A charging structure for converting European standards to American 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, a 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, wherein a resistor R4 is installed on the left side of the EVCC control communicator PP detection circuit, the upper part of the resistor R4 is connected to a 5V positive voltage, the lower part of the resistor R4 is connected to a detection logic point, and the lower part of the resistor R4 is also connected to the vehicle-end charging socket; the utility model takes into account the situation of multi-standard charging piles in some countries, which brings a bad experience to customers in terms of practicality and convenience, and the designed new EVCC has stronger compatibility, which better solves the disadvantage that European 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 European standards to American standards. Background Art

[0002] Regarding the issue of charging pile resources in some countries, 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 European charging method, it cannot be charged on the American charging piles, resulting in charging inconvenience.

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

[0004] The utility model aims to provide a charging structure based on EVCC to realize the conversion from European standard to American standard.

[0005] A charging structure for converting European standards to American standards based on EVCC, 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 provided with a charging plug at a pile end, a charging socket at a vehicle end is provided on the left side of the EVCC control communicator PP detection circuit, and a battery management system is connected to the right end of the EVCC control communicator PP detection circuit, wherein a resistor R4 is provided on the left side of the EVCC control communicator PP detection circuit, the upper part of the resistor R4 is connected to a 5V positive voltage, the lower part of the resistor R4 is connected to a detection logic point, and the lower part of the resistor R4 is also connected to the vehicle end charging socket, a resistor R5 is provided on the right side of the EVCC control communicator PP detection circuit, the upper part of the resistor R5 is connected to the left side of a switch SW, the lower part of the resistor R5 is connected to a ground line of a battery management system, a resistor R6 is provided on the right side of the R5, the upper part of the resistor R6 is connected to the right side of the switch SW, the upper right side of the resistor R6 is connected to the battery management system, and the lower part of the resistor R6 is grounded.

[0006] Preferably, a resistor R7 is installed on the upper part of the battery management system, the resistance of the resistor R7 is 330 ohms, the upper part of the resistor R7 is connected to a 5V positive voltage, the lower part of the resistor R7 is connected to a detection logic point, and the left side of the resistor R7 is connected to the right side of the switch SW of the EVCC control communicator PP detection circuit.

[0007] Preferably, a resistor R3 is installed in the vehicle-end charging socket, the resistance of the resistor R3 is 4700 ohms, the upper right side of the resistor R3 is connected to the lower end of the resistor R4 of the EVCC control communicator PP detection circuit, and the lower part of the resistor R3 is grounded.

[0008] Preferably, a resistor R1 is installed in the pile-end charging plug, the resistance of the resistor R1 is 150 ohms, the lower end of the resistor R1 is connected to the upper part of the switch S3, the lower end of the resistor R1 is connected to the upper part of the resistor R2, the lower part of the switch S3 is connected to the lower part of the resistor R2 and connected to the ground wire of the power supply equipment, and the resistance of the resistor R2 is 330 ohms.

[0009] Preferably, the resistance of the resistor R4 is 330 ohms, the resistance of the resistor R5 is 1500 ohms, and the resistance of the resistor R6 is 4700 ohms.

[0010] The beneficial effects of the above scheme are:

[0011] 1. The utility model takes into account the situation of multiple standard charging piles in some countries, which brings bad experience to customers in terms of practicality and convenience. The designed new EVCC has stronger compatibility and better solves the shortcoming that European standard vehicles cannot be adapted to multiple standard charging piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the principle of the American standard gun insertion detection circuit of the utility model. DETAILED DESCRIPTION

[0013] 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.

[0014] according to Figure 1 As shown, a charging structure for converting European standards to American standards based on EVCC includes: 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 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, wherein a resistor R4 is installed on the left side of the EVCC control communicator PP detection circuit, the upper part of the resistor R4 is connected to a 5V positive voltage, the lower part of the resistor R4 is connected to a detection logic point, and the lower part of the resistor R4 is also connected to the vehicle end charging socket, and a resistor R5 is installed on the right side of the EVCC control communicator PP detection circuit, the upper part of the resistor R5 is connected to the left side of the switch SW, and the lower part of the resistor R5 is connected to the ground wire of the battery management system, and a resistor R6 is installed on the right side of the R5, the upper part of the resistor R6 is connected to the right side of the switch SW, the upper right side of the resistor R6 is connected to the battery management system, and the lower part of the resistor R6 is grounded.

[0015] Specifically, a resistor R7 is installed on the upper part of the battery management system. The resistance of the resistor R7 is 330 ohms. The upper part of the resistor R7 is connected to a 5V positive voltage, the lower part of the resistor R7 is connected to a detection logic point, and the left side of the resistor R7 is connected to the right side of the switch SW of the EVCC control communicator PP detection circuit.

[0016] Specifically, a resistor R3 is installed in the vehicle-end charging socket, the resistance of the resistor R3 is 4700 ohms, the right side of the upper part of the resistor R3 is connected to the lower end of the resistor R4 of the EVCC control communicator PP detection circuit, and the lower part of the resistor R3 is grounded.

[0017] Specifically, a resistor R1 is installed in the charging plug at the pile end, the resistance of the resistor R1 is 150 ohms, the lower end of the resistor R1 is connected to the upper part of the switch S3, the lower end of the resistor R1 is connected to the upper part of the resistor R2, the lower part of the switch S3 is connected to the lower part of the resistor R2 and connected to the ground wire of the power supply equipment, and the resistance of the resistor R2 is 330 ohms.

[0018] Specifically, the resistance of the resistor R4 is 330 ohms, the resistance of the resistor R5 is 1500 ohms, and the resistance of the resistor R6 is 4700 ohms.

[0019] Working principle:

[0020] The utility model discloses a charging structure for converting European standard to American standard based on EVCC, comprising: a resistor R4, a resistor R5, a resistor R6, a switch SW and a detection logic circuit. When charging is performed, when the detection point voltage of the PP detection circuit of the EVCC control communicator is between 1 and 4V, the EVCC control communicator PP detection circuit closes the switch SW to connect the resistor R5 and the resistor R6 in parallel. At this time, the PP detection point voltage of the PP detection circuit of the BMS battery management system is about 3.87V, which meets the detection requirements of the European standard and can enter the charging process. The novel EVCC control communicator PP detection circuit of the utility model has strong compatibility and can realize multi-standard charging methods for the vehicle-side European standard charging standard.

Claims

1. A charging structure based on EVCC to realize the conversion from European standard to American standard, comprising: Power supply equipment 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 equipment EVES is equipped with a pile-end charging plug, a 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 a resistor R4 is installed on the left side of the EVCC control communicator PP detection circuit, the upper part of the resistor R4 is connected to a 5V positive voltage, the lower part of the resistor R4 is connected to a detection logic point, and the lower part of the resistor R4 is also connected to the vehicle-end charging socket, and a resistor R5 is installed on the right side of the EVCC control communicator PP detection circuit, the upper part of the resistor R5 is connected to the left side of the switch SW, and the lower part of the resistor R5 is connected to the ground wire of the battery management system, and a resistor R6 is installed on the right side of the R5, the upper part of the resistor R6 is connected to the right side of the switch SW, the upper right side of the resistor R6 is connected to the battery management system, and the lower part of the resistor R6 is grounded.

2. A charging structure based on EVCC for converting European standards to American standards as claimed in claim 1, characterized in that: A resistor R7 is installed on the upper part of the battery management system. The resistance of the resistor R7 is 330 ohms. The upper part of the resistor R7 is connected to a 5V positive voltage, the lower part of the resistor R7 is connected to a detection logic point, and the left side of the resistor R7 is connected to the right side of the switch SW of the EVCC control communicator PP detection circuit.

3. A charging structure based on EVCC for converting European standards to American standards as claimed in claim 1, characterized in that: A resistor R3 is installed in the vehicle-end charging socket, the resistance of the resistor R3 is 4700 ohms, the right side of the upper part of the resistor R3 is connected to the lower end of the resistor R4 of the EVCC control communicator PP detection circuit, and the lower part of the resistor R3 is grounded.

4. A charging structure based on EVCC for converting European standards to American standards as claimed in claim 2, characterized in that: A resistor R1 is installed in the pile-end charging plug, and the resistance of the resistor R1 is 150 ohms. The lower end of the resistor R1 is connected to the upper part of the switch S3, and the lower end of the resistor R1 is connected to the upper part of the resistor R2. The lower part of the switch S3 is connected to the lower part of the resistor R2 and connected to the ground wire of the power supply equipment. The resistance of the resistor R2 is 330 ohms.

5. The charging structure for converting European standard to American standard based on EVCC as claimed in claim 1, characterized in that: The resistance of the resistor R4 is 330 ohms, the resistance of the resistor R5 is 1500 ohms, and the resistance of the resistor R6 is 4700 ohms.

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