Vehicle interface simulator device for detecting charging equipment

Abstract

The invention relates to a vehicle interface simulator device for detecting charging equipment, and the device comprises an industrial control computer which is used for controlling each module based on a control instruction sent by an upper computer; the sending module is used for sending the acquired waveform data to the upper computer, so that the upper computer detects the detected charging equipment based on the waveform data, and a detection result is acquired; the charging interface is used for being connected with tested charging equipment; the control guide module is used for judging whether the charging connection of the tested charging equipment is successful or not; the communication control simulation module is used for carrying out communication message exchange with the tested charging equipment and controlling a charging demand instruction so as to carry out charging control; the built-in power consumption module is used for simulating the loss of the tested charging equipment; the waveform acquisition module is used for acquiring charging voltage and charging current in the charging process and voltage waveform data of the auxiliary power supply; the battery voltage module is used for simulating the voltage of the battery pack of the electric vehicle; and the direct current bus is used for connecting an external expansion load.

Description

Technical Field

[0001] The present invention relates to the technical field of safety detection of new energy charging facilities, and more specifically, to a vehicle interface simulator device and a detection method for detecting charging equipment. Background Art

[0002] GB44263-2024 "Safety Requirements for Electric Vehicle Conductive Charging Systems" is a mandatory national standard that specifies the overall safety, charging interface safety, AC charging safety, and DC charging safety requirements for electric vehicle conductive charging systems. Currently, the vehicle interface simulators on the market are only developed for the GB / T18487.1-2015 standard, and there are no vehicle interface simulators for Appendix A of GB44263-2024. In addition, the waveform display is generally four-channel, based on the national recommended standard, which cannot meet the multi-waveform detection requirements of high-voltage, high-current DC charging equipment designed in Appendix A of the national mandatory standard GB44263-2024.

[0003] Therefore, a vehicle interface simulator device for detecting a charging device is needed. Summary of the invention

[0004] The present invention proposes a vehicle interface simulator device and a detection method for detecting a charging device, so as to solve the problem of how to detect the power supply equipment in Appendix A of GB44263-2024.

[0005] In order to solve the above problem, according to one aspect of the present invention, a vehicle interface simulator device for detecting a charging device is provided, the device comprising:

[0006] An industrial computer, connected to the host computer, is used to control each module based on the control instructions sent by the host computer; and is used to send the acquired waveform data to the host computer, so that the host computer detects the charging device under test based on the waveform data and obtains the detection result;

[0007] Charging interface, used to connect to the charging device under test;

[0008] The control guidance module is connected to the industrial computer and the charging interface respectively, and is used to determine whether the charging connection of the tested charging device is successfully connected based on the control command sent by the host computer;

[0009] The communication control simulation module is connected to the industrial computer and the charging interface respectively, and is used to exchange communication messages with the charging device under test based on the control instructions sent by the host computer, control the charging demand instructions, and perform charging control;

[0010] Built-in power consumption module, connected to the industrial computer and charging interface respectively, used to simulate the loss of the charging device under test based on the control instructions sent by the host computer;

[0011] The waveform acquisition module is connected to the industrial computer and the charging interface respectively, and is used to collect the charging voltage and charging current during the charging process and the voltage waveform data of the auxiliary power supply based on the control instructions sent by the host computer;

[0012] The battery voltage module is connected to the industrial computer and the charging interface respectively, and is used to simulate the voltage of the electric vehicle battery pack based on the control instructions sent by the host computer;

[0013] The DC bus is connected to the charging interface, the battery voltage module and the built-in power consumption module, and is used to connect an external extended load.

[0014] Preferably, the device comprises:

[0015] The insulation detection and simulation module is connected to the industrial computer, the charging interface and the DC bus respectively, and is used to receive the insulation detection instruction of the host computer through the industrial computer, and simulate the insulation fault of the charging equipment based on the insulation detection instruction.

[0016] Preferably, the charging device under test meets the GB44263-2024 standard, the control and guidance module meets the GB44263-2024 standard, and the charging interface meets the GB / T2023.3-2023 standard.

[0017] Preferably, the waveform acquisition module is an 8-channel waveform acquisition module.

[0018] According to another aspect of the present invention, a system for detecting a charging device is provided, the system comprising: the vehicle interface simulator device for detecting a charging device as described above; and a host computer and an external expansion load;

[0019] Among them, one end of the vehicle interface simulator device is connected to the charging device under test, and the other end is connected to the external expansion load. The host computer is connected to the industrial computer of the vehicle interface simulator; the host computer sends control instructions to the vehicle interface simulator device to detect the charging device under test.

[0020] According to another aspect of the present invention, there is provided a detection method based on the vehicle interface simulator device for detecting a charging device as described above, the method comprising:

[0021] The charging device under test is connected to the vehicle interface simulator device through the charging interface, and the external extended load is connected through the DC bus;

[0022] The industrial computer of the vehicle interface simulator device controls each module based on the control instructions sent by the host computer;

[0023] The control guidance module determines whether the charging connection of the tested charging device is successfully connected based on the control instruction;

[0024] The communication control simulation module exchanges communication messages with the charging device under test based on the control instruction, controls the charging demand instruction, and performs charging control;

[0025] The built-in power consumption module simulates the loss of the charging device under test based on the control instruction;

[0026] The battery voltage module simulates the voltage of the battery pack of the electric vehicle based on the control instruction;

[0027] The waveform acquisition module acquires the charging voltage and charging current during the charging process and the voltage waveform data of the auxiliary power supply based on the control instruction;

[0028] The industrial computer sends the acquired waveform data to the industrial computer, so that the host computer detects the charging device under test based on the waveform data and obtains the detection result.

[0029] Preferably, the method further comprises:

[0030] The insulation detection and simulation module receives the insulation detection instruction sent by the host computer based on the industrial computer, and simulates the insulation fault of the charging equipment based on the insulation detection instruction.

[0031] Preferably, the charging device under test meets the GB44263-2024 standard, the control and guidance module meets the GB44263-2024 standard, and the charging interface meets the GB / T2023.3-2023 standard.

[0032] Preferably, the waveform acquisition module is an 8-channel waveform acquisition module.

[0033] The present invention provides a vehicle interface simulator device and method for detecting a charging device, comprising: an industrial computer, used to control each module based on a control instruction sent by a host computer; used to send acquired waveform data to the host computer, so that the host computer detects the charging device under test based on the waveform data and obtains the detection result; a charging interface, used to connect with the charging device under test; a control guidance module, used to determine whether the charging connection of the charging device under test is successfully connected based on the control instruction sent by the host computer; a communication control simulation module, used to exchange communication messages with the charging device under test based on the control instruction sent by the host computer, and control the charging demand instruction to perform charging control; a built-in power consumption module, used to simulate the loss of the charging device under test based on the control instruction sent by the host computer; a waveform acquisition module, used to collect the charging voltage and charging current in the charging process and the voltage waveform data of the auxiliary power supply based on the control instruction sent by the host computer; a battery voltage module, used to simulate the voltage of the battery pack of the electric vehicle based on the control instruction sent by the host computer; and a DC bus, used to connect an external extended load. The present invention can detect new high-voltage and high-current power supply equipment specified in Appendix A of GB44263-2024 "Safety Requirements for Electric Vehicle Conductive Charging Systems", filling the detection gap of such power supply equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] A more complete understanding of exemplary embodiments of the present invention may be obtained by referring to the following drawings:

[0035] Figure 1 It is a structural schematic diagram of a vehicle interface simulator device 100 for detecting a charging device according to an embodiment of the present invention;

[0036] Figure 2 A connection diagram of a vehicle interface simulator device for detecting a charging device according to an embodiment of the present invention;

[0037] Figure 3 A connection diagram of a detection system according to an embodiment of the present invention;

[0038] Figure 4 FIG. 4 is a flow chart of a method 400 for detecting a charging device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0039] Now, exemplary embodiments of the present invention are described with reference to the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to disclose the present invention in detail and completely and to fully convey the scope of the present invention to those skilled in the art. The terms used in the exemplary embodiments shown in the accompanying drawings are not intended to limit the present invention. In the accompanying drawings, the same units / elements are marked with the same reference numerals.

[0040] Unless otherwise specified, the terms (including technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it is understood that the terms defined in commonly used dictionaries should be understood to have the same meanings as those in the context of the relevant fields, and should not be understood as idealized or overly formal meanings.

[0041] Figure 1 FIG. 1 is a schematic diagram of the structure of a vehicle interface simulator device 100 for detecting a charging device according to an embodiment of the present invention. Figure 1 As shown, the vehicle interface simulator device for detecting charging equipment provided by the embodiment of the present invention can detect the new high-voltage and high-current power supply equipment specified in Appendix A of GB44263-2024 "Safety Requirements for Electric Vehicle Conductive Charging Systems", filling the detection gap of such power supply equipment. The vehicle interface simulator device for detecting charging equipment provided by the embodiment of the present invention includes: an industrial computer 101, a charging interface 102, a control and guidance module 103, a communication control simulation module 104, a built-in power consumption module 105, a waveform acquisition module 106, a battery voltage module 107 and a DC bus 108.

[0042] Preferably, the industrial computer 102 is connected to a host computer and is used to control each module based on a control instruction sent by the host computer; and is used to send the acquired waveform data to the host computer so that the host computer detects the charging device under test based on the waveform data and obtains the detection result.

[0043] Preferably, the charging interface 101 is used to connect to a charging device under test.

[0044] Preferably, the control guidance module 103 is connected to the industrial computer and the charging interface respectively, and is used to determine whether the charging connection of the tested charging device is successfully connected based on the control instruction sent by the host computer.

[0045] Preferably, the communication control simulation module 104 is connected to the industrial computer and the charging interface respectively, and is used to exchange communication messages with the charging device under test based on the control instructions sent by the host computer, control the charging demand instructions, and perform charging control.

[0046] Preferably, the built-in power consumption module 105 is connected to the industrial computer and the charging interface respectively, and is used to simulate the loss of the charging device under test based on the control instructions sent by the host computer.

[0047] Preferably, the waveform acquisition module 106 is connected to the industrial computer and the charging interface respectively, and is used to collect the charging voltage and charging current during the charging process and the voltage waveform data of the auxiliary power supply based on the control instructions sent by the host computer.

[0048] Preferably, the waveform acquisition module is an 8-channel waveform acquisition module.

[0049] Preferably, the battery voltage module 107 is connected to the industrial computer and the charging interface respectively, and is used to simulate the voltage of the electric vehicle battery pack based on the control instructions sent by the host computer.

[0050] The DC bus is connected to the charging interface, the battery voltage module and the built-in power consumption module, and is used to connect an external extended load.

[0051] Preferably, the device comprises:

[0052] The insulation detection and simulation module is connected to the industrial computer, the charging interface and the DC bus respectively, and is used to receive the insulation detection instruction of the host computer through the industrial computer, and simulate the insulation fault of the charging equipment based on the insulation detection instruction.

[0053] Preferably, the charging device under test meets the GB44263-2024 standard, the control and guidance module meets the GB44263-2024 standard, and the charging interface meets the GB / T2023.3-2023 standard.

[0054] Combination Figure 2As shown, the vehicle interface simulator device for detecting charging equipment in an embodiment of the present invention is used to detect charging equipment manufactured in accordance with Appendix A of GB44263-2024. The vehicle interface simulator device includes: a GB / T2023.3-2023 charging interface, a GB44263 control guidance module, an electric vehicle communication control simulation module, a high-speed and high-precision waveform acquisition module, a battery voltage module, a built-in power consumption module, an insulation detection simulation module and an industrial computer. Among them, the GB / T2023.3-2023 charging interface 110 is internally connected to the GB44263 control guidance module 130, the electric vehicle communication control simulation module 140, the 8-channel high-speed and high-precision waveform acquisition module 150, the battery voltage module 160, and the built-in power consumption module 170. The industrial computer 120 is respectively connected to the GB44263 control guidance module 130, the electric vehicle communication control simulation module 140, the 8-channel high-speed and high-precision waveform acquisition module 150, the battery voltage module 160, the built-in power consumption module 170, and the insulation detection simulation module 180. The GB44263 control guidance module 130 is connected to the GB / T2023.3-2023 charging interface 110 at one end and to the industrial computer 120 at the other end. The electric vehicle communication control simulation module 140 is connected to the GB / T2023.3-2023 charging interface 110 at one end and to the industrial computer 120 at the other end. The 8-channel high-speed and high-precision waveform acquisition module 150 is connected to the GB / T2023.3-2023 charging interface 110 at one end and to the industrial computer 120 at the other end. One end of the battery voltage module 160 is connected to the DC bus 190 between the GB / T2023.3-2023 charging interface 110 and the external extended load 3, and the other end is connected to the industrial computer 120. One end of the built-in power consumption module 170 is connected to the DC bus 190 between the GB / T2023.3-2023 charging interface 110 and the external extended load 3, and the other end is connected to the industrial computer 120. One end of the insulation detection simulation module 180 is connected to the DC bus 190 between the GB / T2023.3-2023 charging interface 110 and the external extended load 3, and the other end is connected to the industrial computer 120. The GB / T2023.3-2023 charging interface is used to connect the charging gun head of the charging device. The GB44263 control guidance module is used to confirm the charging connection with the charging device. The electric vehicle communication control simulation module exchanges communication messages with the charging device to control the charging demand instructions. The high-speed and high-precision waveform acquisition module is used for waveform acquisition of charging voltage, charging current, auxiliary power supply, etc. The battery voltage module is used to simulate the current voltage of the electric vehicle battery pack. The built-in power consumption module is used to simulate the energy loss of the charging device. The insulation detection and simulation module is used for insulation fault simulation of the charging equipment. The industrial computer is connected to the host computer as a control terminal, and is used to control each module based on the control instructions sent by the host computer.

[0055] The vehicle interface simulator device of the present invention meets the verification requirements of the national mandatory standard GB44263-2024 Appendix A charging equipment, can simulate the normal charging and abnormal charging conditions of the GB44263-2024 Appendix A charging equipment, and realize the detection of the national mandatory standard GB44263-2024 charging equipment. The device of the present invention has the advantages of modular design, simple operation, concise test process, high degree of automation, and easy-to-read report.

[0056] According to another aspect of the present invention, a system for detecting a charging device is provided, the system comprising: the vehicle interface simulator device for detecting a charging device as described above; and a host computer and an external expansion load;

[0057] Among them, one end of the vehicle interface simulator device is connected to the charging device under test, and the other end is connected to the external expansion load. The host computer is connected to the industrial computer of the vehicle interface simulator; the host computer sends control instructions to the vehicle interface simulator device to detect the charging device under test.

[0058] like Figure 3 As shown, when the charging device under test is tested, the 8-channel vehicle interface simulator 1 is connected to the charging facility (i.e., charging device) 2 in Appendix A of GB44263 through the GB / T2023.3-2023 charging interface 110, and is connected to the external extended load 3 through the DC bus 190. The host computer (not shown in the figure) is connected to the 8-channel vehicle interface simulator 1 to send control instructions to the industrial computer, and the modules are controlled by the industrial computer to test the key equipment under test.

[0059] Figure 4 FIG. 4 is a flow chart of a method 400 for detecting a charging device according to an embodiment of the present invention. Figure 4 As shown, the detection method 400 based on the vehicle interface simulator device for detecting the charging device as described above provided in the embodiment of the present invention starts from step 401. In step 401, the charging device under test is connected to the vehicle interface simulator device through the charging interface, and an external extended load is connected through the DC bus.

[0060] In step 402, the industrial computer of the vehicle interface simulator device controls each module based on the control instruction sent by the host computer.

[0061] In step 403, the control guidance module determines whether the charging connection of the tested charging device is successfully connected based on the control instruction.

[0062] In step 404, the communication control simulation module exchanges communication messages with the charging device under test based on the control instruction, controls the charging demand instruction, and performs charging control.

[0063] In step 405, the built-in power consumption module simulates the loss of the charging device under test based on the control instruction.

[0064] In step 406 , the battery voltage module simulates the voltage of the electric vehicle battery pack based on the control instruction.

[0065] In step 407, the waveform collection module collects the charging voltage and charging current during the charging process and the voltage waveform data of the auxiliary power supply based on the control instruction.

[0066] In step 408, the industrial computer sends the acquired waveform data to the industrial computer, so that the host computer detects the charging device under test based on the waveform data and obtains the detection result.

[0067] Preferably, the method further comprises:

[0068] The insulation detection and simulation module receives the insulation detection instruction sent by the host computer based on the industrial computer, and simulates the insulation fault of the charging equipment based on the insulation detection instruction.

[0069] Preferably, the charging device under test meets the GB44263-2024 standard, the control and guidance module meets the GB44263-2024 standard, and the charging interface meets the GB / T2023.3-2023 standard.

[0070] Preferably, the waveform acquisition module is an 8-channel waveform acquisition module.

[0071] The invention has been described above with reference to a few embodiments. However, it is readily apparent to a person skilled in the art that other embodiments than the ones disclosed above are equally within the scope of the invention, as defined by the appended patent claims.

[0072] Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise therein. All references to "a / said / the [means, components, etc.]" are to be openly interpreted as at least one instance of said means, components, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not necessarily have to be performed in the exact order disclosed, unless explicitly stated otherwise.

[0073] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0074] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0075] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0076] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0077] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A vehicle interface simulator device for detecting a charging device, characterized in that: The device comprises: An industrial computer, connected to the host computer, is used to control each module based on the control instructions sent by the host computer; and is used to send the acquired waveform data to the host computer, so that the host computer detects the charging device under test based on the waveform data and obtains the detection result; Charging interface, used to connect to the charging device under test; The control guidance module is connected to the industrial computer and the charging interface respectively, and is used to determine whether the charging connection of the tested charging device is successfully connected based on the control command sent by the host computer; The communication control simulation module is connected to the industrial computer and the charging interface respectively, and is used to exchange communication messages with the charging device under test based on the control instructions sent by the host computer, control the charging demand instructions, and perform charging control; Built-in power consumption module, connected to the industrial computer and charging interface respectively, used to simulate the loss of the charging device under test based on the control instructions sent by the host computer; The waveform acquisition module is connected to the industrial computer and the charging interface respectively, and is used to collect the charging voltage and charging current during the charging process and the voltage waveform data of the auxiliary power supply based on the control instructions sent by the host computer; The battery voltage module is connected to the industrial computer and the charging interface respectively, and is used to simulate the voltage of the electric vehicle battery pack based on the control instructions sent by the host computer; The DC bus is connected to the charging interface, the battery voltage module and the built-in power consumption module, and is used to connect an external extended load.

2. The device according to claim 1, characterized in that The device comprises: The insulation detection and simulation module is connected to the industrial computer, the charging interface and the DC bus respectively, and is used to receive the insulation detection instruction of the host computer through the industrial computer, and simulate the insulation fault of the charging equipment based on the insulation detection instruction.

3. The device according to claim 1, characterized in that The charging device under test meets the GB44263-2024 standard, the control and guidance module meets the GB44263-2024 standard, and the charging interface meets the GB / T2023.3-2023 standard.

4. The device according to claim 1, characterized in that The waveform acquisition module is an 8-channel waveform acquisition module.

5. A system for detecting a charging device, characterized in that: The system comprises: a vehicle interface simulator device for detecting a charging device according to any one of claims 1 to 4; and a host computer and an external expansion load; Among them, one end of the vehicle interface simulator device is connected to the charging device under test, and the other end is connected to the external expansion load. The host computer is connected to the industrial computer of the vehicle interface simulator; the host computer sends control instructions to the vehicle interface simulator device to detect the charging device under test.

6. A detection method for a vehicle interface simulator device for detecting a charging device based on any one of claims 1 to 4, characterized in that: The method comprises: The charging device under test is connected to the vehicle interface simulator device through the charging interface, and the external extended load is connected through the DC bus; The industrial computer of the vehicle interface simulator device controls each module based on the control instructions sent by the host computer; The control guidance module determines whether the charging connection of the tested charging device is successfully connected based on the control instruction; The communication control simulation module exchanges communication messages with the charging device under test based on the control instruction, controls the charging demand instruction, and performs charging control; The built-in power consumption module simulates the loss of the charging device under test based on the control instruction; The battery voltage module simulates the voltage of the battery pack of the electric vehicle based on the control instruction; The waveform acquisition module acquires the charging voltage and charging current during the charging process and the voltage waveform data of the auxiliary power supply based on the control instruction; The industrial computer sends the acquired waveform data to the industrial computer, so that the host computer detects the charging device under test based on the waveform data and obtains the detection result.

7. The method according to claim 6, characterized in that The method further comprises: The insulation detection and simulation module receives the insulation detection instruction sent by the host computer based on the industrial computer, and simulates the insulation fault of the charging equipment based on the insulation detection instruction.

8. The method according to claim 6, characterized in that The charging device under test meets the GB44263-2024 standard, the control and guidance module meets the GB44263-2024 standard, and the charging interface meets the GB / T2023.3-2023 standard.

9. The device according to claim 6, characterized in that The waveform acquisition module is an 8-channel waveform acquisition module.

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