WO2023246429A1 - 车端充电控制导引电路、电路板及车辆 - Google Patents

车端充电控制导引电路、电路板及车辆 Download PDF

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Publication number
WO2023246429A1
WO2023246429A1 PCT/CN2023/096661 CN2023096661W WO2023246429A1 WO 2023246429 A1 WO2023246429 A1 WO 2023246429A1 CN 2023096661 W CN2023096661 W CN 2023096661W WO 2023246429 A1 WO2023246429 A1 WO 2023246429A1
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WIPO (PCT)
Prior art keywords
charging
circuit
guidance
power supply
resistor
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Application number
PCT/CN2023/096661
Other languages
English (en)
French (fr)
Inventor
张佳平
李鑫
王圆圆
牛亚琪
Original Assignee
浙江极氪智能科技有限公司
威睿电动汽车技术(宁波)有限公司
浙江吉利控股集团有限公司
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Publication of WO2023246429A1 publication Critical patent/WO2023246429A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer

Definitions

  • the present application relates to the technical field of electric vehicles, and in particular to a vehicle-side charging control and guidance circuit, a circuit board and a vehicle.
  • the charging standards for electric vehicles used in various countries or regions around the world may be different.
  • a car that needs charging is sold in the corresponding region, it needs to meet the local charging interface standards.
  • the internal controller of the vehicle needs to match the corresponding charging interface standards.
  • Charging guidance circuits At present, charging guidance circuits are generally designed for different charging interface standards, and the corresponding charging guidance circuits are adapted according to the sales area of the vehicle. As a result, the charging guidance circuit is not compatible with other charging interface standards.
  • the main purpose of this application is to propose a vehicle-side charging control guidance circuit, circuit board and vehicle, aiming to solve the technical problem that the existing vehicle-side charging guidance circuit is not compatible with multiple charging interface standards.
  • the vehicle-side charging control and guidance circuit includes a charging guidance module.
  • the charging guidance module includes a switching unit, a differential charging guidance circuit and a common charging guidance circuit. Charging guidance circuit;
  • the switching unit is configured to conduct the differential charging guidance circuit in the charging guidance module corresponding to the charging interface standard of the power supply device when receiving the switch control signal;
  • the charging guidance module is used to transmit charging signals between the power supply device and the microprocessor through the conductive differential charging guidance circuit and the common charging guidance circuit.
  • the common charging guidance circuit is used to transmit control guidance function signals between the power supply device and the microprocessor;
  • the differential charging guidance circuit includes: a first charging connection confirmation circuit, a fast charging charging connection confirmation circuit, a first auxiliary power supply circuit and a communication transceiver circuit;
  • the differential charging guidance circuit includes: a first charging connection confirmation circuit and a power carrier communication circuit;
  • the differential charging guidance circuit includes: a second charging connection confirmation circuit and a power carrier communication circuit;
  • the differential charging guidance circuit includes: a second charging connection confirmation circuit, a fast charging charging connection confirmation circuit, a second auxiliary power supply circuit, a charging permission circuit and a communication transceiver circuit;
  • the first charging connection confirmation circuit is used to transmit a first charging connection confirmation signal between the power supply device and the microprocessor;
  • the fast charging connection confirmation circuit is used to transmit a fast charging connection confirmation signal between the power supply device and the microprocessor;
  • the first auxiliary power supply circuit is used to provide a first auxiliary power supply for the microprocessor
  • the second charging connection confirmation circuit is used to transmit a second charging connection confirmation signal between the power supply device and the microprocessor;
  • the second auxiliary power supply circuit is used to provide a second auxiliary power supply for the microprocessor
  • the second switching subunit is configured to conduct the differential charging guidance circuit and the first auxiliary power supply circuit when receiving the first switch control signal.
  • the first switching subunit is configured to conduct the differential charging guidance circuit and the first charging connection confirmation circuit when receiving the second switch control signal.
  • the switching unit includes a first switching subunit, and the first switching subunit is connected to the charging guide interface;
  • the first switching subunit is configured to conduct the differential charging guidance circuit and the second charging connection confirmation circuit when receiving a fourth switch control signal
  • the second switching subunit is configured to conduct the differential charging guidance circuit and the second auxiliary power supply circuit when receiving a fourth switch control signal.
  • the first end of the first resistor is connected to the first power supply, the second end of the first resistor is connected to the charging guide interface, and the first switch is set on the first end of the second resistor.
  • the second end of the second resistor is connected to the second end of the first resistor.
  • the second switching subunit includes a second power supply, a third resistor, a fourth resistor and a gating switch chip;
  • the first end of the third resistor is connected to the second power supply, the second end of the third resistor is connected to the first end of the fourth resistor, and the second end of the fourth resistor is connected to the microprocessor.
  • the first end of the gate switch chip is connected to the charging guide interface, the second end of the gate switch chip is connected to ground, and the third end of the gate switch chip is connected to the third resistor. The second end of the connection.
  • the common charging guidance circuit includes: a rectifier diode, a fifth resistor, a sixth resistor, a third switch, a voltage acquisition circuit and a PWM signal acquisition circuit;
  • the fast charging connection confirmation circuit includes: a third Three power supplies, a seventh resistor and an analog sampling filter circuit;
  • the charging permission circuit includes an eighth resistor and a transistor;
  • the power carrier communication circuit includes a first coupling capacitor, a second coupling capacitor, a communication transformer, a signal transmission drive circuit, a signal Receiving filter circuit, PLC chip power supply and PLC chip;
  • this application also proposes a vehicle, which includes the vehicle-end charging control guidance circuit as described above.
  • the technical solution of this application proposes a vehicle-side charging control and guidance circuit.
  • the vehicle-side charging control and guidance circuit includes a charging guidance module.
  • the charging guidance module includes a switching unit, a differential charging guidance circuit and a common charging guidance circuit. circuit; the switching unit is used to conduct the differential charging guidance circuit in the charging guidance module corresponding to the charging interface standard of the power supply device when receiving the switch control signal; the charging guidance module is configured to The charging signal is transmitted between the power supply device and the microprocessor through the differential charging pilot circuit and the common charging pilot circuit that are turned on. Since the switching unit in this application turns on the differential charging guidance circuit corresponding to the charging interface standard of the power supply equipment when receiving the switch control signal, the charging guidance module supplies power through the differential charging guidance circuit and the common charging guidance circuit. Charging signals are transmitted between the device and the microprocessor, and the requirements of different charging interface standards are met through differential charging guidance circuits, achieving compatibility with different charging interface standards.
  • Figure 1 is a functional module diagram of the first embodiment of the vehicle-end charging control and guidance circuit of the present application
  • Figure 2 is a functional module diagram of an embodiment of the vehicle-end charging control guidance circuit of the present application
  • Figure 3 is a functional module diagram of the second embodiment of the vehicle-end charging control guidance circuit of the present application.
  • Figure 4 is a schematic circuit structure diagram of the third embodiment of the vehicle-end charging control guidance circuit of the present application.
  • This application proposes a vehicle-end charging control and guidance circuit.
  • the vehicle-side charging control guidance circuit includes: a charging guidance module 01.
  • the charging guidance module 01 includes a switching unit 10, a differential charging guidance circuit 20 and a common charging Guidance circuit 30;
  • the switching unit 10 is configured to conduct the differential charging guidance circuit 20 in the charging guidance module 01 corresponding to the charging interface standard of the power supply device when receiving a switch control signal.
  • the differential charging guidance circuit can be a signal transmission circuit that is different between a certain charging interface standard and other charging interface standards; the common charging guidance circuit can be the same signal transmission circuit between charging interface standards; the switch The control signal may be a signal that controls the conduction of the differential charging guidance circuit.
  • the switch control signal corresponds to the charging interface standard, that is, different switch control signals conduct the differential charging guidance circuit corresponding to different charging interface standards.
  • the on-board computer sends a switch control signal corresponding to A.
  • the switching unit 10 receives the switch control signal, the charging guidance module 01
  • the differential charging guide circuit corresponding to A in the middle is turned on.
  • the charging guidance module 01 is used to transmit charging signals between the power supply device and the microprocessor through the conductive differential charging guidance circuit 20 and the common charging guidance circuit 30 .
  • the conductive differential charging guidance circuit and the common charging guidance circuit constitute a complete signal transmission circuit of the charging interface standard;
  • the microprocessor can be the processor in the vehicle controller;
  • the charging signal can be between the power supply equipment and
  • the signals previously transmitted by the microprocessor are used to indicate the charging status.
  • the charging signals include charging connection confirmation signals, power carrier signals, etc. There are differences in the charging signals corresponding to different charging interface standards.
  • the switch control signal corresponding to A is triggered.
  • the switching unit turns on the differential charging guidance circuit corresponding to A according to the received switch control signal.
  • the charging guidance module passes the differential charging guidance circuit and the common charging guidance circuit through this conduction.
  • the charging signal corresponding to A is transmitted between the power supply device and the microprocessor.
  • the shared charging guidance circuit 30 is used to connect the power supply equipment and all charging interfaces. Control and guidance function signals are transmitted between the microprocessors.
  • the differential charging guidance circuit 20 includes: a first charging connection confirmation circuit 201, a fast charging connection confirmation circuit 202, a first auxiliary power supply circuit 203 and a communication transceiver circuit 204.
  • the differential charging guidance circuit includes: a second charging connection confirmation circuit 206 and a power carrier communication circuit 205.
  • the differential charging guidance circuit includes: a second charging connection confirmation circuit 206, a fast charging charging connection confirmation circuit 202, a second auxiliary power supply circuit 207, a charging permission circuit 208 and a communication transceiver circuit 204.
  • the first charging connection confirmation circuit 201 is used to transmit a first charging connection confirmation signal between the power supply device and the microprocessor;
  • the fast charging connection confirmation circuit 202 is used to transmit a fast charging connection confirmation signal between the power supply device and the microprocessor;
  • the first auxiliary power supply circuit 203 is used to provide a first auxiliary power supply for the microprocessor
  • the second charging connection confirmation circuit 206 is used to transmit a second charging connection confirmation signal between the power supply device and the microprocessor;
  • the power carrier communication circuit 205 is used to transmit power carrier signals between the power supply equipment and the microprocessor.
  • the charging guide interface corresponding to the first charging connection confirmation circuit 201 and the second charging connection confirmation circuit 206 is a CC/PP interface.
  • the fast The charging guide interface corresponding to the charging connection confirmation circuit 203 is the CC2/CPD interface.
  • the first auxiliary power supply circuit 203 and the second auxiliary power supply circuit 207 include two parts: M and N1/N2, where M is the first auxiliary power supply circuit.
  • the corresponding charging guide interface is the A+/CSS1 interface
  • N1/N2 is the difference between the first auxiliary power supply circuit 203 and the second auxiliary power supply circuit 207
  • the corresponding charging The guidance interface is the A-/CSS2 interface.
  • the auxiliary power supply of the auxiliary power supply circuit CSS1 is the charging confirmation signal 1 of the Japanese standard second auxiliary power supply circuit, A-the power ground of the Chinese standard first auxiliary power supply circuit, CSS2 is the charging confirmation signal 2 of the Japanese standard second auxiliary power supply circuit , the charging guidance interface corresponding to the charging permission circuit 208 is the VCP interface, and the communication transceiver circuit 204 corresponds to two charging guidance interfaces, respectively S+/COM1, S-/COM2, S+ and S- are Chinese standard DC charging communications.
  • CANH and CANL, COM1 and COM2 are Japanese standard DC charging communication CANH and CANL; PE/PC is the grounding port of Chinese standard, European standard, American standard and Japanese standard. That is, in this embodiment, there are 9 charging conductors after integration. Lead interface, 8 sets of charging guide circuits.
  • the vehicle-side charging control and guidance circuit includes a charging guidance module.
  • the charging guidance module includes a switching unit, a differential charging guidance circuit and a common charging guidance circuit. ;
  • the switching unit is used to conduct the differential charging guidance circuit corresponding to the charging interface standard of the power supply device in the charging guidance module when receiving the switch control signal;
  • the charging guidance module is used to The charging signal is transmitted between the power supply device and the microprocessor through the turned-on differential charging pilot circuit and the common charging pilot circuit.
  • the charging guidance module uses the differential charging guidance circuit and the common charging guidance circuit to Charging signals are transmitted between the power supply equipment and the microprocessor, and the requirements of different charging interface standards are met through differential charging guidance circuits, achieving compatibility with different charging interface standards.
  • the switching unit 10 includes a first switching subunit 101 and a second switching subunit.
  • Unit 102, the first switching sub-unit 101 and the second switching sub-unit 102 are respectively connected to the charging guide interface;
  • the first switching subunit 101 is configured to conduct the differential charging guidance circuit 20 and the first charging connection confirmation circuit 201 when receiving a first switch control signal.
  • the first switching subunit 101 may be a unit corresponding to the CC/PP interface.
  • the first switching subunit When receiving the first switch control signal, the first switching subunit connects the corresponding first charging connection confirmation circuit 201 with the CC/PP interface.
  • the PP interface is connected.
  • the second switching subunit 102 is configured to conduct the differential charging guidance circuit 20 and the first auxiliary power supply circuit 203 when receiving the first switch control signal.
  • the first switch control signal may be a switch control signal corresponding to the first charging interface standard; the second switching subunit 102 may be a unit corresponding to the A-/CSS2 interface.
  • the power ground N1 of the corresponding second auxiliary power supply circuit is connected to the A-/CSS2 interface, and N1 and M form the first auxiliary power supply circuit 203.
  • the vehicle-side charging guidance control circuit is adapted to the first charging interface standard and can correspond to the first charging interface standard.
  • the power supply equipment charges the vehicle.
  • the first switching subunit 101 is configured to conduct the differential charging guidance circuit and the first charging connection confirmation circuit 201 when receiving a second switch control signal.
  • the second switch control signal may be a switch control signal corresponding to the second charging interface standard; when the first switching subunit 101 receives the second switch control signal, the corresponding first charging connection confirmation circuit 201 The CC/PP interface is connected, that is, the charging connection confirmation circuits of the first charging interface standard and the second charging interface standard are the same, both are the first charging connection confirmation circuit 201. At this time, the second switching subunit 102 does not operate.
  • the vehicle-end charging guidance control circuit is adapted to the second charging interface standard, and the vehicle can be charged through the power supply equipment corresponding to the second charging interface standard.
  • the switching unit in order to adapt the vehicle-end charging control guidance circuit to the third charging interface standard, includes a first switching subunit 101, and the first switching subunit 101 is connected to the charging guidance interface;
  • the first switching subunit 101 is configured to conduct the differential charging guidance circuit and the second charging connection confirmation circuit 206 when receiving the third switch control signal.
  • the third switch control signal may be a switch control signal corresponding to the third charging interface standard; when the first switching subunit 101 receives the third switch control signal, the corresponding second charging connection confirmation circuit 206 is connected to the CC/PP interface, that is, there are differences in the charging connection confirmation circuits of the third charging interface standard and the first charging interface standard and the second charging interface standard, but the three charging interface standards share the CC/PP interface; the second switch Subunit 102 is inactive.
  • the vehicle-end charging guidance control circuit is adapted to the third charging interface standard, and the vehicle can be charged through the power supply equipment corresponding to the third charging interface standard.
  • the switching unit 10 in order to adapt the vehicle-side charging control guidance circuit to the fourth charging interface standard, includes a first switching subunit 101 and a second switching subunit 102.
  • the first switching subunit The unit 101 and the second switching subunit 102 are respectively connected to the charging guide interface.
  • the first switching subunit 101 is configured to conduct the differential charging guidance circuit and the second charging connection confirmation circuit 206 when receiving the fourth switch control signal;
  • the second switching subunit 102 is configured to conduct the differential charging guidance circuit and the second auxiliary power supply circuit 207 when receiving the fourth switch control signal.
  • the charging connection confirmation circuits corresponding to the standards are the same, but the first charging interface standard, the second charging interface standard, the third charging interface standard and the fourth charging interface standard share a charging guide interface CC/PP interface; the second auxiliary power supply circuit 207
  • the charging guide interface is shared with the first auxiliary power supply circuit 203.
  • the same part of the two auxiliary power supply circuits is M, and the different parts are N1/N2.
  • the second switching subunit switches between the first auxiliary power supply circuit 203 and the first auxiliary power supply circuit 203 by switching N1/N2. Switch between the two auxiliary power supply circuits 207.
  • the switching unit includes a first switching subunit and a second switching subunit.
  • the first switching subunit and the second switching subunit are respectively connected to the charging guide interface; the first switching subunit , used to conduct the differential charging guidance circuit and the first charging connection confirmation circuit when receiving the first switch control signal; the second switching subunit is used to conduct the differential charging guidance circuit and the first charging connection confirmation circuit when receiving the first switch control signal;
  • the differential charging guidance circuit is connected to the first auxiliary power supply circuit. Since in this embodiment, when the first switching subunit and the second switching subunit receive the first switch control signal, the first charging connection confirmation circuit and the first auxiliary power supply circuit are connected, so that the vehicle end charging control guidance The circuit meets the first charging interface standard.
  • the first end of the first resistor R1 is connected to the first power supply VCC1
  • the second end of the first resistor R1 is connected to the charging guide interface
  • the first switch K1 is set on the second Between the first end of the resistor R2 and the first end of the first resistor R1, the second end of the second resistor R2 is connected to the second end of the first resistor R1.
  • the first switch K1 can be opened or closed according to the switch control signal.
  • the first switch K1 When the first switch K1 is opened, the first resistor R1 is disconnected, the second resistor R2 is connected to the circuit, and the first power supply VCC1 and the first The resistor R1 and the analog sampling filter circuit 1 form a first charging connection confirmation circuit 201 that meets the first charging interface standard and the second charging interface standard;
  • the first switch K1 when the first switch K1 is closed, the first resistor R1 is connected to the circuit and communicates with the second resistor R2 is connected in parallel, the first power supply VCC1, the first resistor R1, the second resistor R2 and the analog sampling filter circuit 1 form a second charging connection confirmation circuit 206 that meets the third charging interface standard and the fourth charging interface standard;
  • the first switch K1 can It is a MOS tube, and the analog sampling filter circuit is an existing circuit, which will not be described again in this embodiment.
  • the second switching subunit 102 includes a second power supply VCC2, a third resistor R3, and a fourth resistor R4. and strobe switch chip K2;
  • the first end of the third resistor R3 is connected to the second power supply VCC2, the second end of the third resistor R3 is connected to the first end of the fourth resistor R4, and the third end of the fourth resistor R4 is connected to the first end of the third resistor R3.
  • Two ends are connected to the microprocessor, the first end of the strobe switch chip K2 is connected to the charging guide interface, the second end of the strobe switch chip K2 is grounded, and the third end of the strobe switch chip K2 Three terminals are connected to the second terminal of the third resistor R3.
  • the strobe switch K2 when the strobe switch K2 is connected to terminal a, the corresponding charging guide interface A-/CSS2 is grounded, and together with the auxiliary power supply M forms the first auxiliary power supply circuit 203 that meets the first charging interface standard;
  • the strobe switch When the strobe switch is connected to terminal b, the third resistor R3, the fourth resistor R4, the second power supply VCC2 and the auxiliary power supply M together form a second auxiliary power supply circuit 207 that meets the fourth charging interface standard.
  • the first coupling capacitor C1 The second end of is connected to the first end of the primary coil of the communication transformer L, the first end of the second coupling capacitor C2 is connected to the rectifier diode D, and the second end of the second coupling capacitor C2 is connected to The second end of the primary coil of the communication transformer L is connected, the first secondary coil of the communication transformer L is connected to the signal sending drive circuit 2051, and the second secondary coil of the communication transformer L is connected to the signal receiving circuit.
  • the filter circuit 2052 is connected, and the PLC chip IC is connected to the signal sending driving circuit 2051, the signal receiving filter circuit 2052, the PLC chip power supply VCC and the microprocessor.
  • the first charging interface standard is the Chinese standard, referred to as the national standard
  • the second charging interface standard is the European standard, referred to as the European standard
  • the third charging interface standard is the American standard, referred to as the American standard
  • the fourth charging interface standard is the Japanese standard.
  • the standard is referred to as the Japanese standard.
  • D, R5, R6, K3, 301 and 302 constitute the common charging guidance circuit 30 of the national standard, European standard, American standard and Japanese standard
  • 302 is the CP signal PWM signal acquisition circuit of the CP guidance circuit; among which D , R5, R6, K3 and 302 constitute the guidance circuit of the above four standards.
  • 301 is a CP level voltage acquisition circuit unique to the American standard CP guidance circuit. The introduction of this circuit is not exclusive and does not affect the other three standards. guidance circuit function.
  • VCC3, R7 and 2021 form the national and Japanese standard fast charging connection confirmation circuit 202.
  • VCC3, R7 and 2021 are the common fast charging connection circuit of Chinese and Japanese standards.
  • VCC3 is the pull-up power supply and R7 is the 1k pull-up resistor. 2021 It is an analog acquisition filter circuit.
  • the European standard and the American standard do not have a fast charging connection confirmation circuit;
  • the mark M is the same part of the auxiliary power supply circuit of the national standard and the Japanese standard;
  • VCC2, R3, K2 and R4 form the power ground of the national standard and the Japanese standard, K2 is the strobe switch, and the switch defaults
  • the position is point a, that is, the default function is national standard A-.
  • N1 and M form the first auxiliary power supply circuit 203; when the switch is gated to point b, it becomes the Japanese standard CSS2 function, and N2 and M form the second auxiliary power supply circuit.
  • Power supply circuit 207 European and American standards do not have this interface; R8 and Q form the charging permission circuit 206 of the Japanese standard, and the winning, European and American standards do not have charging permission circuits.
  • 204 is the winning and Japanese standard DC charging CAN communication transceiver circuit, corresponding to the two charging guide interfaces S+/COM1 and S-/COM2, S+ and S- are the national standard DC charging communication CANH and DC charging communication CANL, COM1 and COM2 is the Japanese standard DC charging communication CANH and DC charging communication CANL.
  • the national standard and the Japanese standard share the same CAN transceiver circuit.
  • the European standard and the American standard do not have communication transceiver circuits; C1, C2, L, 2051, 2052, VCC and IC form the European standard.
  • the power carrier communication circuit 205 of Standard and American Standard since the carrier signal line of power carrier communication is actually a CP signal line, PLC and CP are the same signal line and share a charging guide interface CP/PLC interface. There is no power carrier communication circuit in the winning bid and the Japanese bid; the microprocessor receives, processes, sends, and controls the signals transmitted by the above 8 charging guide interface circuits, and the processor inside the microprocessor controller is The vehicle integrates electronic controllers for four standard charging guidance generation circuits including Winning, European, American and Japanese standards, including VCU/BMS/domain controller, etc.
  • this application also proposes a circuit board.
  • the circuit board includes the vehicle-end charging control guidance circuit as described above. There is no need to produce circuit boards of different specifications according to different charging interface standards, which improves production. , warehousing and transportation convenience.
  • this application also proposes a vehicle, which includes the circuit as described above.
  • the specific structure of this circuit refers to the above-mentioned embodiments. Since this vehicle adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种车端充电控制导引电路、电路板及车辆,车端充电控制导引电路包括充电导引模块(01),充电导引模块(01)包括切换单元(10)、差异充电导引电路(20)和共用充电导引电路(30);切换单元(10),用于在接收到开关控制信号时,将充电导引模块(01)中与供电设备的充电接口标准对应的差异充电导引电路(20)导通;充电导引模块(01),用于通过导通的差异充电导引电路(20)和共用充电导引电路(30)在供电设备与微处理器之间传输充电信号。通过差异充电导引电路(20)来满足不同的充电接口标准的要求,实现了对不同充电接口标准的兼容。

Description

车端充电控制导引电路、电路板及车辆
本申请要求于2022年6月24日申请的、申请号为202210733373.4的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电动汽车技术领域,尤其涉及一种车端充电控制导引电路、电路板及车辆。
背景技术
全球范围内各国家或地区使用的电动汽车充电标准可能不同,当需要充电的汽车在相应的地区销售就需要满足当地的充电接口标准,整车内部控制器需要针对不同的充电接口标准匹配对应的充电导引电路,目前,一般会针对不同的充电接口标准设计对应的充电导引电路,根据车辆的销售地区适配对应的充电导引电路,导致充电导引电路无法兼容其他充电接口标准。
上述内容仅用于辅助理解本申请的技术方案,并不代表承认上述内容是现有技术。
技术问题
本申请的主要目的在于提出一种车端充电控制导引电路、电路板及车辆,旨在解决现有的车端充电导引电路无法兼容多种充电接口标准的技术问题。
技术解决方案
为实现上述目的,本申请提出一种车端充电控制导引电路,所述车端充电控制导引电路包括充电导引模块,所述充电导引模块包括切换单元、差异充电导引电路和共用充电导引电路;
所述切换单元,用于在接收到开关控制信号时,将所述充电导引模块中与供电设备的充电接口标准对应的差异充电导引电路导通;
所述充电导引模块,用于通过导通的差异充电导引电路和所述共用充电导引电路在所述供电设备与微处理器之间传输充电信号。
在一实施方式中,所述共用充电导引电路,用于在所述供电设备和所述微处理器之间传输控制导引功能信号;
所述差异充电导引电路包括:第一充电连接确认电路、快充充电连接确认电路、第一辅助供电电路和通信收发器电路;
或,所述差异充电导引电路包括:第一充电连接确认电路和电力载波通信电路;
或,所述差异充电导引电路包括:第二充电连接确认电路和电力载波通信电路;
或,所述差异充电导引电路包括:第二充电连接确认电路、快充充电连接确认电路、第二辅助供电电路、充电许可电路和通信收发器电路;
所述第一充电连接确认电路,用于在所述供电设备和所述微处理器之间传输第一充电连接确认信号;
所述快充充电连接确认电路,用于在所述供电设备和所述微处理器之间传输快充连接确认信号;
所述第一辅助供电电路,用于为所述微处理器提供第一辅助供电电源;
所述充电许可电路,用于向所述供电设备发送充电许可信号,以使所述供电设备在接收到所述充电许可信号时,启动充电;
所述第二充电连接确认电路,用于在所述供电设备和所述微处理器之间传输第二充电连接确认信号;
所述第二辅助供电电路,用于为所述微处理器提供第二辅助供电电源;
所述通信收发器电路,用于在所述供电设备和所述微处理器之间传输通信报文;
所述电力载波通信电路,用于在所述供电设备和所述微处理器之间传输电力载波信号。
在一实施方式中,所述切换单元包括第一切换子单元和第二切换子单元,所述第一切换子单元和所述第二切换子单元分别与充电导引接口连接;
所述第一切换子单元,用于在接收到第一开关控制信号时,将所述差异充电导引电路与所述第一充电连接确认电路导通;
所述第二切换子单元,用于在接收到第一开关控制信号时,将所述差异充电导引电路与所述第一辅助供电电路导通。
在一实施方式中,所述切换单元包括第一切换子单元,所述第一切换子单元与充电导引接口连接;
所述第一切换子单元,用于在接收到第二开关控制信号时,将所述差异充电导引电路与所述第一充电连接确认电路导通。
在一实施方式中,所述切换单元包括第一切换子单元,所述第一切换子单元与充电导引接口连接;
所述第一切换子单元,用于在接收到第三开关控制信号时,将所述差异充电导引电路与所述第二充电连接确认电路导通。
在一实施方式中,所述切换单元包括第一切换子单元和第二切换子单元,所述第一切换子单元和所述第二切换子单元分别与充电导引接口连接;
所述第一切换子单元,用于在接收到第四开关控制信号时,将所述差异充电导引电路与所述第二充电连接确认电路导通;
所述第二切换子单元,用于在接收到第四开关控制信号时,将所述差异充电导引电路与所述第二辅助供电电路导通。
在一实施方式中,所述第一切换子单元包括第一电源、第一电阻、第二电阻和第一开关;
所述第一电阻的第一端与所述第一电源连接,所述第一电阻的第二端与所述充电导引接口连接,所述第一开关设置在所述第二电阻的第一端与所述第一电阻的第一端之间,所述第二电阻的第二端与所述第一电阻的第二端连接。
在一实施方式中,所述第二切换子单元包括第二电源、第三电阻、第四电阻和选通开关芯片;
所述第三电阻的第一端与所述第二电源连接,所述第三电阻的第二端与所述第四电阻的第一端连接,所述第四电阻的第二端与微处理器连接,所述选通开关芯片的第一端与所述充电导引接口连接,所述选通开关芯片的第二端接地,所述选通开关芯片的第三端与所述第三电阻的第二端连接。
在一实施方式中,所述共用充电导引电路包括:整流二极管、第五电阻、第六电阻、第三开关、电压采集电路和PWM信号采集电路;所述快充充电连接确认电路包括:第三电源、第七电阻和模拟采样滤波电路;所述充电许可电路包括第八电阻和三极管;所述电力载波通信电路包括第一耦合电容、第二耦合电容、通信变压器、信号发送驱动电路、信号接收滤波电路、PLC芯片电源和PLC芯片;
所述整流二极管的阳极与充电导引接口连接,所述整流二极管的阴极与所述第五电阻的第一端连接,所述第五电阻的第二端接地,所述第三开关的第一端与所述第五电阻的第二端连接,所述第三开关的第二端与所述第六电阻的第一端连接,所述第六电阻的第二端与所述PWM信号采集电路的输入端连接,所述PWM信号采集电路的输出端与所述微处理器连接,所述电压采集电路的输入端与所述整流二极管的阳极连接,所述电压采集电路的输出端与所述微处理器连接;所述第七电阻的第一端与所述第三电源连接,所述第七电阻的第二端与所述充电导引接口连接,所述模拟采样滤波电路的输入端与所述第七电阻的第二端连接,所述模拟采样滤波电路的输出端与所述微处理器连接;所述第八电阻的第一端与充电导引接口连接,所述第八电阻的第二端与所述三极管的集电极连接,所述三极管的发射极接地,所述三极管的基极与所述微处理器连接;所述第一耦合电容的第一端接地,所述第一耦合电容的第一端还与所述充电导引接口连接,所述第一耦合电容的第二端与所述通信变压器原边线圈的第一端连接,所述第二耦合电容的第一端与所述整流二极管连接,所述第二耦合电容的第二端与所述通信变压器原边线圈的第二端连接,所述通信变压器的第一副边线圈与所述信号发送驱动电路连接,所述通信变压器的第二副边线圈与所述信号接收滤波电路连接,所述PLC芯片与所述信号发送驱动电路、信号接收滤波电路、PLC芯片电源和所述微处理器连接。
为实现上述目的,本申请还提出一种电路板,所述电路板包括如上文所述的车端充电控制导引电路。
为实现上述目的,本申请还提出一种车辆,所述车辆包括如上文所述的车端充电控制导引电路。
有益效果
本申请技术方案提出一种车端充电控制导引电路,所述车端充电控制导引电路包括充电导引模块,所述充电导引模块包括切换单元、差异充电导引电路和共用充电导引电路;所述切换单元,用于在接收到开关控制信号时,将所述充电导引模块中与供电设备的充电接口标准对应的差异充电导引电路导通;所述充电导引模块,用于通过导通的差异充电导引电路和所述共用充电导引电路在所述供电设备与微处理器之间传输充电信号。由于本申请中的切换单元在接收到开关控制信号时,将与供电设备充电接口标准对应的差异充电导引电路导通,充电导引模块通过差异充电导引电路和共用充电导引电路在供电设备和微处理器之间传输充电信号,通过差异充电导引电路来满足不同的充电接口标准的要求,实现了对不同充电接口标准的兼容。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1为本申请车端充电控制导引电路第一实施例的功能模块图;
图2为本申请车端充电控制导引电路一实施例的功能模块图;
图3为本申请车端充电控制导引电路第二实施例的功能模块图;
图4为本申请车端充电控制导引电路第三实施例的电路结构示意图。
附图标号说明:
标号 名称 标号 名称
01 充电导引模块 10 切换单元
20 差异充电导引电路 30 共用充电导引电路
201 第一充电连接确认电路 202 快充充电连接确认电路
203 第一辅助供电电路 204 通信收发器电路
205 电力载波通信电路 206 第二充电连接确认电路
207 第二辅助供电电路 208 充电许可电路
301 电压采集电路 302 PWM信号采集电路
CP/PLC 控制导引功能信号 CC/PP 充电连接确认信号
CC2/CPD 快充连接确认信号 VCP 充电许可信号
S+/COM1 直流充电通信CANH S-/COM2 直流充电通信CANL
PE/PC 接地信号 L 通信变压器
R1-R8 第一电阻至第八电阻 VCC1-VCC3 第一电源至第三电源
VCC PLC芯片电源 K1 第一开关
K2 选通开关 K3 第三开关
Q 三极管 D 整流二极管
2051 信号发送驱动电路 2052 信号接收滤波电路
IC PLC芯片 C1 第一耦合电容
C2 第二耦合电容 1 模拟采样滤波电路
101 第一切换子单元 102 第二切换子单元
2021 模拟采集滤波电路    
本申请目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
本发明的实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请的一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
需要说明,本申请实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。
另外,在本申请中涉及“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,各个实施例之间的技术方案可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本申请要求的保护范围之内。
本申请提出一种车端充电控制导引电路。
参照图1,在本申请实施例中,所述车端充电控制导引电路,包括:充电导引模块01,所述充电导引模块01包括切换单元10、差异充电导引电路20和共用充电导引电路30;
所述切换单元10,用于在接收到开关控制信号时,将所述充电导引模块01中与供电设备的充电接口标准对应的差异充电导引电路20导通。
可以理解的是,差异充电导引电路可以是某充电接口标准与其他充电接口标准之间存在差异的信号传输电路;共用充电导引电路可以是各充电接口标准之间相同的信号传输电路;开关控制信号可以是控制差异充电导引电路导通的信号,开关控制信号与充电接口标准对应,即不同的开关控制信号导通不同充电接口标准对应的差异充电导引电路。
在具体实施中,例如在车端充电导引电路需要适配充电接口标准A时,车载电脑发送与A对应的开关控制信号,切换单元10在接收到开关控制信号时,将充电导引模块01中与A对应的差异充电导引电路导通。
所述充电导引模块01,用于通过导通的差异充电导引电路20和所述共用充电导引电路30在所述供电设备与微处理器之间传输充电信号。
可以理解的是,导通的差异充电导引电路与共用充电导引电路组成充电接口标准完整的信号传输电路;微处理器可以是车辆控制器中的处理器;充电信号可以是在供电设备与微处理器之前传输的用于表示充电状态的信号,例如充电信号包括充电连接确认信号、电力载波信号等,不同充电接口标准对应的充电信号存在差异。
在具体实现中,本实施例根据不同充电接口标准的各充电导引接口和充电导引电路,将部分功能相同、控制导引电路相同且参数相同的充电导引电路合并为共用充电导引电路;将功能相同,充电导引电路相同,但是导引电路参数不同的充电导引电路做部分合并,并对个别器件做差异化的设计获得差异充电导引电路,依据上述设计提出车的端充电控制导引电路包括充电导引模块,充电导引模块包括切换单元、差异充电导引电路和共用充电导引电路,假设车端充电导引电路需满足的充电接口标准为A,可通过车载电脑触发与A对应的开关控制信号,切换单元根据接收到开关控制信号将与A对应的差异充电导引电路导通,充电导引模块通过该导通的差异充电导引电路和共用充电导引电路在供电设备和微处理器之间传输A对应的充电信号。
在一实施方式中,参照图2,为了使车端充电控制导引电路适配不同充电接口标准的同时降低电气复杂度,所述共用充电导引电路30,用于在所述供电设备和所述微处理器之间传输控制导引功能信号。
在本实施例中,共用充电导引电路30可以是CP导引电路;CP导引电路对应的充电导引接口为CP接口;CP导引电路在供电设备与微处理器之间传输CP信号即控制导引功能信号。
所述差异充电导引电路20包括:第一充电连接确认电路201、快充充电连接确认电路202、第一辅助供电电路203和通信收发器电路204。
在本实施例中,该差异充电导引电路可以是第一充电接口标准对应的差异充电导引电路,该差异充电导引电路与上述共用充电导引电路组成第一充电接口标准对应的信号传输电路,该信号传输电路包括:共用充电导引电路、第一充电连接确认电路、快充充电连接确认电路、第一辅助供电电路和通信收发器电路。
或,所述差异充电导引电路包括:第一充电连接确认电路201和电力载波通信电路205。
在本实施例中,该差异充电导引电路可以是第二充电接口标准对应的差异充电导引电路;该差异充电导引电路与上述共用充电导引电路组成第二充电接口标准对应的信号传输电路,该信号传输电路包括:共用充电导引电路、第一充电连接确认电路和电力载波通信电路。
或,所述差异充电导引电路包括:第二充电连接确认电路206和电力载波通信电路205。
在本实施例中,该差异充电导引电路可以是第三充电接口标准对应的差异充电导引电路;该差异充电导引电路与上述共用充电导引电路组成第三充电接口标准对应的信号传输电路,该信号传输电路包括:共用充电导引电路、第二充电连接确认电路和电力载波通信电路。
或,所述差异充电导引电路包括:第二充电连接确认电路206、快充充电连接确认电路202、第二辅助供电电路207、充电许可电路208和通信收发器电路204。
在本实施例中,该差异充电导引电路可以是第四充电接口标准对应的差异充电导引电路;该差异充电导引电路与上述共用充电导引电路组成第四充电接口标准对应的信号传输电路,该信号传输电路包括:共用充电导引电路、第二充电连接确认电路、快充充电连接确认电路、第二辅助供电电路、充电许可电路和通信收发器电路。
所述第一充电连接确认电路201,用于在所述供电设备和所述微处理器之间传输第一充电连接确认信号;
所述快充充电连接确认电路202,用于在所述供电设备和所述微处理器之间传输快充连接确认信号;
所述第一辅助供电电路203,用于为所述微处理器提供第一辅助供电电源;
所述充电许可电路208,用于向所述供电设备发送充电许可信号,以使所述供电设备在接收到所述充电许可信号时,启动充电;
所述第二充电连接确认电路206,用于在所述供电设备和所述微处理器之间传输第二充电连接确认信号;
所述第二辅助供电电路207,用于为所述微处理器提供第二辅助供电电源;
所述通信收发器电路204,用于在所述供电设备和所述微处理器之间传输通信报文;
所述电力载波通信电路205,用于在所述供电设备和所述微处理器之间传输电力载波信号。
在本实施例中,假设第一充电接口标准为中国标准,对应的充电导引电路为:共用充电导引电路30、第一充电连接确认电路201、快充充电连接确认电路203、第一辅助供电电路203和通信收发器电路204;第二充电接口标准为欧洲标准,对应的充电导引电路为:共用充电导引电路30、第一充电连接确认电路201和电力载波通信电路205;第三充电接口标准为美国标准,对应的充电导引电路为共用充电导引电路30、第二充电连接确认电路206和电力载波通信电路205;第四充电接口标准为日本标准,对应的充电导引电路为:共用充电导引电路30、第二充电连接确认电路206、快充充电连接确认电路203、第二辅助供电电路207、充电许可电路208和通信收发器电路204;共用充电导引电路30对应的充电导引接口为CP/PLC,PLC特指欧美的直流充电电力载波通信信号,第一充电连接确认电路201和第二充电连接确认电路206对应的充电导引接口为CC/PP接口,快充充电连接确认电路203对应的充电导引接口为CC2/CPD接口,第一辅助供电电路203和第二辅助供电电路207包括两个部分:M和N1/N2,其中M为第一辅助供电电路203和第二辅助供电电路207共用的电路,对应的充电导引接口为A+/CSS1接口,N1/N2为第一辅助供电电路203和第二辅助供电电路207之间的差异部分,对应的充电导引接口为A-/CSS2接口,在差异部分为N1时,与M组成第一辅助供电电路203,在差异部分为N2时,与M组成第二辅助供电电路207,A+为中国标准第一辅助供电电路的辅助电源,CSS1为日本标准的第二辅助供电电路的充电确认信号1, A-中国标准第一辅助供电电路的电源地,CSS2为日本标准第二辅助供电电路的充电确认信号2,充电许可电路208对应的充电导引接口为VCP接口,通信收发器电路204对应两个充电导引接口,分别为S+/COM1、S-/COM2,S+和S-为中国标准的直流充电通信CANH和CANL,COM1和COM2为日本标准直流充电通信CANH和CANL;PE/PC为中国标准、欧洲标准、美国标准和日本标准的接地口,即在本实施例中集成合并后共有9个充电导引接口,8组充电导引电路。
本实施例提出一种车端充电控制导引电路,所述车端充电控制导引电路包括充电导引模块,所述充电导引模块包括切换单元、差异充电导引电路和共用充电导引电路;所述切换单元,用于在接收到开关控制信号时,将所述充电导引模块中与供电设备的充电接口标准对应的差异充电导引电路导通;所述充电导引模块,用于通过导通的差异充电导引电路和所述共用充电导引电路在所述供电设备与微处理器之间传输充电信号。由于本实施例中的切换单元在接收到开关控制信号时,将与供电设备充电接口标准对应的差异充电导引电路导通,充电导引模块通过差异充电导引电路和共用充电导引电路在供电设备和微处理器之间传输充电信号,通过差异充电导引电路来满足不同的充电接口标准的要求,实现了对不同充电接口标准的兼容。
参照图3,在第一实施例的基础上,提出车端充电控制导引电路的第二实施例,在本实施例中,所述切换单元10包括第一切换子单元101和第二切换子单元102,所述第一切换子单元101和所述第二切换子单元102分别与充电导引接口连接;
所述第一切换子单元101,用于在接收到第一开关控制信号时,将所述差异充电导引电路20与所述第一充电连接确认电路201导通。
可以理解的是,第一切换子单元101可以是与CC/PP接口对应的单元,第一切换子单元在接收到第一开关控制信号时,将对应的第一充电连接确认电路201与CC/PP接口导通。
所述第二切换子单元102,用于在接收到第一开关控制信号时,将所述差异充电导引电路20与所述第一辅助供电电路203导通。
应该理解的是,第一开关控制信号可以是与第一充电接口标准对应的开关控制信号;第二切换子单元102可以是与A-/CSS2接口对应的单元,第二切换子单元在接收到第一开关控制信号时,将对应的第二辅助供电电路的电源地N1与A-/CSS2接口导通,N1与M组成第一辅助供电电路203。
可以理解的是,在第一充电连接确认电路201和第一辅助供电电路203导通后,此时车端充电导引控制电路与第一充电接口标准适配,可通过第一充电接口标准对应的供电设备为车辆充电。
在一实施方式中,为了使车端充电控制导引电路适配第二充电接口标准,所述切换单元10包括第一切换子单元101,所述第一切换子单元与充电导引接口连接;
所述第一切换子单元101,用于在接收到第二开关控制信号时,将所述差异充电导引电路与所述第一充电连接确认电路201导通。
可以理解的是,第二开关控制信号可以是与第二充电接口标准对应的开关控制信号;第一切换子单元101在接收到第二开关控制信号时,将对应的第一充电连接确认电路201与CC/PP接口导通,即第一充电接口标准与第二充电接口标准的充电连接确认电路相同,都为第一充电连接确认电路201,此时第二切换子单元102不动作。
应该理解的是,在第一充电连接确认电路201导通后,此时车端充电导引控制电路与第二充电接口标准适配,可通过第二充电接口标准对应的供电设备为车辆充电。
在一实施方式中,为了使车端充电控制导引电路适配第三充电接口标准,所述切换单元包括第一切换子单元101,所述第一切换子单元101与充电导引接口连接;
所述第一切换子单元101,用于在接收到第三开关控制信号时,将所述差异充电导引电路与所述第二充电连接确认电路206导通。
可以理解的是,第三开关控制信号可以是与第三充电接口标准对应的开关控制信号;第一切换子单101元在接收到第三开关控制信号时,将对应的第二充电连接确认电路206与CC/PP接口导通,即第三充电接口标准与第一充电接口标准和第二充电接口标准的充电连接确认电路存在区别,但是三个充电接口标准共用CC/PP接口;第二切换子单元102不动作。
应该理解的是,在第二充电连接确认电路206导通后,此时车端充电导引控制电路与第三充电接口标准适配,可通过第三充电接口标准对应的供电设备为车辆充电。
在一实施方式中,为了使车端充电控制导引电路适配第四充电接口标准,所述切换单元10包括第一切换子单元101和第二切换子单元102,所述第一切换子单101元和所述第二切换子单元102分别与充电导引接口连接。
所述第一切换子单元101,用于在接收到第四开关控制信号时,将所述差异充电导引电路与所述第二充电连接确认电路206导通;
所述第二切换子单元102,用于在接收到第四开关控制信号时,将所述差异充电导引电路与所述第二辅助供电电路207导通。
应该理解的是,第四开关控制信号可以是与第四充电接口标准对应的开关控制信号;第一切换子单元101接收到第四开关控制信号时,将第二充电确认电路206与第二辅助供电电路207导通,此时N2与M组成第二辅助供电电路;即第四充电接口标准与第一充电接口标准和第二充电接口标准对应的充电连接确认电路存在区别,与第三充电接口标准对应的充电连接确认电路相同,但是第一充电接口标准、第二充电接口标准、第三充电接口标准和第四充电接口标准共用一个充电导引接口CC/PP接口;第二辅助供电电路207与第一辅助供电电路203共用充电导引接口,两个辅助供电电路的相同部分为M,差异部分为N1/N2,第二切换子单元通过切换N1/N2在第一辅助供电电路203和第二辅助供电电路207之间切换。
在本实施例中切换单元包括第一切换子单元和第二切换子单元,所述第一切换子单元和所述第二切换子单元分别与充电导引接口连接;所述第一切换子单元,用于在接收到第一开关控制信号时,将所述差异充电导引电路与所述第一充电连接确认电路导通;所述第二切换子单元,用于在接收到第一开关控制信号时,将所述差异充电导引电路与所述第一辅助供电电路导通。由于本实施例是在第一切换子单元和第二切换子单元在接收到第一开关控制信号时,将第一充电连接确认电路和第一辅助供电电路导通,使得车端充电控制导引电路满足第一充电接口标准。
参照图4,在上述实施例的基础上,提出车端充电控制导引电路的第三实施例,在本实施例中,所述第一切换子单元101包括第一电源VCC1、第一电阻R1、第二电阻R2和第一开关K1;
所述第一电阻R1的第一端与所述第一电源VCC1连接,所述第一电阻R1的第二端与所述充电导引接口连接,所述第一开关K1设置在所述第二电阻R2的第一端与所述第一电阻R1的第一端之间,所述第二电阻R2的第二端与所述第一电阻R1的第二端连接。
可以理解的是,第一开关K1可根据开关控制信号断开或闭合,在第一开关K1断开时,第一电阻R1断开,第二电阻R2接入电路,第一电源VCC1、第一电阻R1和模拟采样滤波电路1组成满足第一充电接口标准和第二充电接口标准的第一充电连接确认电路201;在第一开关K1闭合时,第一电阻R1接入电路,与第二电阻R2并联,第一电源VCC1、第一电阻R1、第二电阻R2和模拟采样滤波电路1组成满足第三充电接口标准和第四充电接口标准的第二充电连接确认电路206;第一开关K1可以是MOS管,模拟采样滤波电路为现有电路,本实施例在此不再赘述。
在一实施方式中,为了使车端充电控制导引电路兼容不同充电接口标准的同时降低电气复杂度,所述第二切换子单元102包括第二电源VCC2、第三电阻R3、第四电阻R4和选通开关芯片K2;
所述第三电阻R3的第一端与所述第二电源VCC2连接,所述第三电阻R3的第二端与所述第四电阻R4的第一端连接,所述第四电阻R4的第二端与微处理器连接,所述选通开关芯片K2的第一端与所述充电导引接口连接,所述选通开关芯片K2的第二端接地,所述选通开关芯片K2的第三端与所述第三电阻R3的第二端连接。
可以理解的是,在选通开关K2与a端接通时,对应的充电导引接口A-/CSS2接地,与辅助电源M共同组成满足第一充电接口标准的第一辅助供电电路203;在选通开关与b端接通时,第三电阻R3、第四电阻R4和第二电源VCC2与辅助电源M共同组成满足第四充电接口标准的第二辅助供电电路207。
在一实施方式中,为了使车端充电控制导引电路兼容不同的充电接口标准,所述共用充电导引电路30包括:整流二极管D、第五电阻R5、第六电阻R6、第三开关K3、电压采集电路301和PWM信号采集电路302;所述快充充电连接确认电路202包括:第三电源VCC3、第七电阻R7和模拟采样滤波电路2021;所述充电许可电路208包括第八电阻R8和三极管Q;所述电力载波通信电路205包括第一耦合电容C1、第二耦合电容C2、通信变压器L、信号发送驱动电路2051、信号接收滤波电路2052、PLC芯片电源VCC和PLC芯片IC。
所述整流二极管D的阳极与充电导引接口连接,所述整流二极管D的阴极与所述第五电阻R5的第一端连接,所述第五电阻R5的第二端接地,所述第三开关K3的第一端与所述第五电阻R5的第二端连接,所述第三开关K3的第二端与所述第六电阻R6的第一端连接,所述第六电阻R6的第二端与所述PWM信号采集电路302的输入端连接,所述PWM信号采集电路302的输出端与所述微处理器连接,所述电压采集电路301的输入端与所述整流二极管D的阳极连接,所述电压采集电路301的输出端与所述微处理器连接;所述第七电阻R7的第一端与所述第三电源VCC1连接,所述第七电阻R7的第二端与所述充电导引接口连接,所述模拟采样滤波电路2021的输入端与所述第七电阻R7的第二端连接,所述模拟采样滤波电路2021的输出端与所述微处理器连接;所述第八电阻R8的第一端与充电导引接口连接,所述第八电阻R8的第二端与所述三极管Q的集电极连接,所述三极管Q的发射极接地,所述三极管Q的基极与所述微处理器连接;所述第一耦合电容C1的第一端接地,所述第一耦合电容C1的第一端还与所述充电导引接口连接,所述第一耦合电容C1的第二端与所述通信变压器L原边线圈的第一端连接,所述第二耦合电容C2的第一端与所述整流二极管D连接,所述第二耦合电容C2的第二端与所述通信变压器L原边线圈的第二端连接,所述通信变压器L的第一副边线圈与所述信号发送驱动电路2051连接,所述通信变压器的第二副边线圈与所述信号接收滤波电路2052连接,所述PLC芯片IC与所述信号发送驱动电路2051、信号接收滤波电路2052、PLC芯片电源VCC和所述微处理器连接。
在本实施例中,例如,第一充电接口标准为中国标准简称国标,第二充电接口标准为欧洲标准简称欧标,第三充电接口标准为美国标准简称美标,第四充电接口标准为日本标准简称日标,D、R5、R6、K3、301和302组成国标、欧标、美标和日标的共用充电导引电路30;302为CP导引电路的CP信号PWM信号采集电路;其中D、R5、R6、K3和302组成上述四个标准的导引电路,301为美标CP导引电路独有的CP电平电压采集电路,该电路的引入不存在排他性,不影响其余三个标准的导引电路功能。
VCC1、R1、R2和1组成国标CC和欧美日标PP的充电连接确认电路,其中VCC1为通用的上拉5V电源,1是各标准通用的模拟采样滤波电路;K1闭合时,R1和R2并联时的上拉电阻的阻值为330欧,此时充电确认电路为第二充电确认电路206,满足美标和日标;K1断开时,R2是支持中欧标的1K上拉电阻,此时充电确认电路为第一充电确认电路201;K1可以是支持R1接入和断开的PMOS管,通过对PMOS管导通控制和断开,可以在第一充电确认电路201和第二充电确认电路206之间切换,从而实现对国标CC和欧美日标PP的充电确认信号的检测和识别。
VCC3、R7和2021组成国标和日标的快充充电连接确认电路202,VCC3、R7和2021是中日标准通用的快充充电连接电路,VCC3为上拉电源,R7为1k的上拉电阻,2021为模拟采集滤波电路。欧标和美标无快充充电连接确认电路;标号M为国标和日标辅助供电电路中的相同部分;VCC2、R3、K2和R4组成国标和日标的电源地,K2为选通开关,开关默认位置为a点,即默认功能为国标A-,此时N1与M组成第一辅助供电电路203;当开关选通至b点时,变为支持日标CSS2功能,N2与M组成第二辅助供电电路207,欧美标准无此项接口;R8和Q组成日标的充电许可电路206,中标、欧标和美标无充电许可电路。
204为中标和日标直流充电的CAN通信收发器电路,对应两个充电导引接口S+/COM1和S-/COM2,S+和S-为国标的直流充电通信CANH和直流充电通信CANL,COM1和COM2为日标的直流充电通信CANH和直流充电通信CANL,国标和日标共用相同的CAN收发电路,欧标和美标无通信收发器电路;C1、C2、L、2051、2052、VCC和IC组成欧标和美标的电力载波通信电路205,由于电力载波通信的载体信号线实际为CP信号线,故PLC与CP为同一根信号线,共用一个充电导引接口CP/PLC接口。中标和日标中无电力载波通信电路;微处理器对上述8个充电导引接口电路传输的信号进行接收、处理、发送、控制均,微处理器控制器内部的处理器,该控制器为车辆内部集成了中标、欧标、美标和日标四个标准充电导引代电路的电子控制器,包括VCU/BMS/域控制器等。CP/PLC、CC/PP、CC2/CPD、A+/CSS1、A-/CSS2、VCP、S+/COM1、S-/COM2和PE/PC为9组合并了中标、欧标、美标和日标四个充电接口标准的充电导引接口,基于各标准间相互兼容的充电导引电路分析与合并,将对应引信号接口做合并处理,减少控制器的电气接口;本实施例在兼容中标、欧标、美标和日标各充电标准的要求时,实现完全相同的电路设计,通过控制K2和K3开关的状态即可满足不同充电接口标准的要求。
本实施例中第一切换子单元包括第一电源、第一电阻、第二电阻和第一开关;所述第一电阻的第一端与所述第一电源连接,所述第一电阻的第二端与所述充电导引接口连接,所述第一开关设置在所述第二电阻的第一端与所述第一电阻的第一端之间,所述第二电阻的第二端与所述第一电阻的第二端连接。通过控制第一开关的闭合与断开即可在第一充电确认电路和第二充电确认电路之间切换,在降低电气复杂度的同时能够兼容不同充电接口标准。
为实现上述目的,本申请还提出一种电路板,所述电路板包括如上文所述的车端充电控制导引电路,不需要根据不同的充电接口标准生产不同规格的电路板,提高了生产、仓储、运输的便利性。
为实现上述目的,本申请还提出一种车辆,所述车辆包括如上所述的电路。该电路的具体结构参照上述实施例,由于本车辆采用了上述所有实施例的全部技术方案,因此至少具有上述实施例的技术方案所带来的所有有益效果,在此不再一一赘述。
以上所述仅为本申请的可选实施例,并非因此限制本申请的专利范围,凡是在本申请的发明构思下,利用本申请说明书及附图内容所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本申请的专利保护范围内。

Claims (11)

  1. 一种车端充电控制导引电路,其中,所述车端充电控制导引电路包括充电导引模块,所述充电导引模块包括切换单元、差异充电导引电路和共用充电导引电路;
    所述切换单元,用于在接收到开关控制信号时,将所述充电导引模块中与供电设备的充电接口标准对应的差异充电导引电路导通;
    所述充电导引模块,用于通过导通的差异充电导引电路和所述共用充电导引电路在所述供电设备与微处理器之间传输充电信号。
  2. 如权利要求1所述的车端充电控制导引电路,其中,所述共用充电导引电路,用于在所述供电设备和所述微处理器之间传输控制导引功能信号;
    所述差异充电导引电路包括:第一充电连接确认电路、快充充电连接确认电路、第一辅助供电电路和通信收发器电路;
    或,所述差异充电导引电路包括:第一充电连接确认电路和电力载波通信电路;
    或,所述差异充电导引电路包括:第二充电连接确认电路和电力载波通信电路;
    或,所述差异充电导引电路包括:第二充电连接确认电路、快充充电连接确认电路、第二辅助供电电路、充电许可电路和通信收发器电路;
    所述第一充电连接确认电路,用于在所述供电设备和所述微处理器之间传输第一充电连接确认信号;
    所述快充充电连接确认电路,用于在所述供电设备和所述微处理器之间传输快充连接确认信号;
    所述第一辅助供电电路,用于为所述微处理器提供第一辅助供电电源;
    所述充电许可电路,用于向所述供电设备发送充电许可信号,以使所述供电设备在接收到所述充电许可信号时,启动充电;
    所述第二充电连接确认电路,用于在所述供电设备和所述微处理器之间传输第二充电连接确认信号;
    所述第二辅助供电电路,用于为所述微处理器提供第二辅助供电电源;
    所述通信收发器电路,用于在所述供电设备和所述微处理器之间传输通信报文;
    所述电力载波通信电路,用于在所述供电设备和所述微处理器之间传输电力载波信号。
  3. 如权利要求2所述的车端充电控制导引电路,其中,所述切换单元包括第一切换子单元和第二切换子单元,所述第一切换子单元和所述第二切换子单元分别与充电导引接口连接;
    所述第一切换子单元,用于在接收到第一开关控制信号时,将所述差异充电导引电路与所述第一充电连接确认电路导通;
    所述第二切换子单元,用于在接收到第一开关控制信号时,将所述差异充电导引电路与所述第一辅助供电电路导通。
  4. 如权利要求2所述的车端充电控制导引电路,其中,所述切换单元包括第一切换子单元,所述第一切换子单元与充电导引接口连接;
    所述第一切换子单元,用于在接收到第二开关控制信号时,将所述差异充电导引电路与所述第一充电连接确认电路导通。
  5. 如权利要求2所述的车端充电控制导引电路,其中,所述切换单元包括第一切换子单元,所述第一切换子单元与充电导引接口连接;
    所述第一切换子单元,用于在接收到第三开关控制信号时,将所述差异充电导引电路与所述第二充电连接确认电路导通。
  6. 如权利要求2所述的车端充电控制导引电路,其中,所述切换单元包括第一切换子单元和第二切换子单元,所述第一切换子单元和所述第二切换子单元分别与充电导引接口连接;
    所述第一切换子单元,用于在接收到第四开关控制信号时,将所述差异充电导引电路与所述第二充电连接确认电路导通;
    所述第二切换子单元,用于在接收到第四开关控制信号时,将所述差异充电导引电路与所述第二辅助供电电路导通。
  7. 如权利要求3-6任一项所述的车端充电控制导引电路,其中,所述第一切换子单元包括第一电源、第一电阻、第二电阻和第一开关;
    所述第一电阻的第一端与所述第一电源连接,所述第一电阻的第二端与所述充电导引接口连接,所述第一开关设置在所述第二电阻的第一端与所述第一电阻的第一端之间,所述第二电阻的第二端与所述第一电阻的第二端连接。
  8. 如权利要求3或6所述的车端充电控制导引电路,其中,所述第二切换子单元包括第二电源、第三电阻、第四电阻和选通开关芯片;
    所述第三电阻的第一端与所述第二电源连接,所述第三电阻的第二端与所述第四电阻的第一端连接,所述第四电阻的第二端与微处理器连接,所述选通开关芯片的第一端与所述充电导引接口连接,所述选通开关芯片的第二端接地,所述选通开关芯片的第三端与所述第三电阻的第二端连接。
  9. 如权利要求2-6任一项所述的车端充电控制导引电路,其中,所述共用充电导引电路包括:整流二极管、第五电阻、第六电阻、第三开关、电压采集电路和PWM信号采集电路;所述快充充电连接确认电路包括:第三电源、第七电阻和模拟采样滤波电路;所述充电许可电路包括第八电阻和三极管;所述电力载波通信电路包括第一耦合电容、第二耦合电容、通信变压器、信号发送驱动电路、信号接收滤波电路、PLC芯片电源和PLC芯片;
    所述整流二极管的阳极与充电导引接口连接,所述整流二极管的阴极与所述第五电阻的第一端连接,所述第五电阻的第二端接地,所述第三开关的第一端与所述第五电阻的第二端连接,所述第三开关的第二端与所述第六电阻的第一端连接,所述第六电阻的第二端与所述PWM信号采集电路的输入端连接,所述PWM信号采集电路的输出端与所述微处理器连接,所述电压采集电路的输入端与所述整流二极管的阳极连接,所述电压采集电路的输出端与所述微处理器连接;所述第七电阻的第一端与所述第三电源连接,所述第七电阻的第二端与所述充电导引接口连接,所述模拟采样滤波电路的输入端与所述第七电阻的第二端连接,所述模拟采样滤波电路的输出端与所述微处理器连接;所述第八电阻的第一端与充电导引接口连接,所述第八电阻的第二端与所述三极管的集电极连接,所述三极管的发射极接地,所述三极管的基极与所述微处理器连接;所述第一耦合电容的第一端接地,所述第一耦合电容的第一端还与所述充电导引接口连接,所述第一耦合电容的第二端与所述通信变压器原边线圈的第一端连接,所述第二耦合电容的第一端与所述整流二极管连接,所述第二耦合电容的第二端与所述通信变压器原边线圈的第二端连接,所述通信变压器的第一副边线圈与所述信号发送驱动电路连接,所述通信变压器的第二副边线圈与所述信号接收滤波电路连接,所述PLC芯片与所述信号发送驱动电路、信号接收滤波电路、PLC芯片电源和所述微处理器连接。
  10. 一种电路板,其中,所述电路板包括如权利要求1-9任一项所述的车端充电控制导引电路。
  11. 一种车辆,其中,所述车辆包括如权利要求1-9任一项所述的车端充电控制导引电路。
PCT/CN2023/096661 2022-06-24 2023-05-26 车端充电控制导引电路、电路板及车辆 WO2023246429A1 (zh)

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