Monitoring method and device for vehicle charging anti-interference test and electronic equipment

Abstract

The invention discloses a monitoring method and device for a vehicle charging anti-interference test and electronic equipment, and the method comprises the steps: carrying out the charging anti-interference test of a to-be-tested vehicle in an environment with preset electromagnetic interference intensity; determining an interfered state of the to-be-tested vehicle according to the network communication signal of the to-be-tested vehicle; determining a current abnormal state corresponding to the to-be-detected vehicle according to the charging current parameter corresponding to the to-be-detected vehicle; determining the thermal runaway state of the power battery according to the surface temperature of the power battery of the to-be-detected vehicle; and determining a charging anti-interference test result corresponding to the to-be-tested vehicle according to the interfered state, the current abnormal state and the thermal runaway state, thereby simultaneously judging whether network communication of the vehicle has a fault, whether charging current is abnormal and whether thermal runaway occurs in the battery temperature in the process of performing the charging anti-interference test on the vehicle. And the evaluation accuracy of the vehicle charging anti-interference test result is improved.

Description

Technical Field

[0001] The present application relates to the field of wireless charging technology, and more specifically, to a monitoring method, device and electronic equipment for vehicle charging anti-interference testing. Background Art

[0002] With the development of science and technology, the use of electric vehicles is becoming more and more common. As an important way to charge electric vehicles, wireless charging technology brings convenience while also bringing about the problem of electromagnetic environment safety. Among them, the wireless charging system of electric vehicles relies on electromagnetic fields to transmit electrical energy and actively emits electromagnetic energy to the outside, which may form strong electromagnetic interference and have potential impacts on radio services and power supply networks; at the same time, electric vehicle wireless charging may also be interfered by various electromagnetic phenomena in the environment during operation, resulting in charging failures and safety risks; based on this, electromagnetic radiation immunity tests of vehicles are required during the development of the whole vehicle. Accordingly, there are challenges in the relevant technologies to accurately evaluate the results of vehicle charging immunity tests. Summary of the invention

[0003] In view of this, the embodiments of the present application propose a monitoring method, device and electronic device for vehicle charging anti-interference test to improve the above-mentioned problems.

[0004] In a first aspect, an embodiment of the present application provides a monitoring method for a vehicle charging anti-interference test, the method comprising: performing a charging anti-interference test on the vehicle to be tested when the vehicle to be tested is in an environment with a preset electromagnetic interference intensity; obtaining a network communication signal of the vehicle to be tested, and determining the interference state of the vehicle to be tested based on the network communication signal; obtaining a charging current parameter corresponding to the vehicle to be tested, and determining a current abnormality state corresponding to the vehicle to be tested based on the charging current parameter; obtaining a surface temperature of a power battery of the vehicle to be tested, and determining a thermal runaway state of the power battery based on the surface temperature of the power battery; and determining a charging anti-interference test result corresponding to the vehicle to be tested based on the interference state, the current abnormality state, and the thermal runaway state.

[0005] In the second aspect, the embodiment of the present application provides a monitoring device for a vehicle charging anti-interference test, the device comprising: a charging anti-interference test module, a network communication monitoring module, a battery temperature monitoring module and a charging anti-interference test evaluation module. Among them, the charging anti-interference test module is used to perform a charging anti-interference test on the vehicle under test when the vehicle under test is in an environment with a preset electromagnetic interference intensity; the network communication monitoring module is used to obtain the network communication signal of the vehicle under test, and determine the interference state of the vehicle under test according to the network communication signal; the charging current monitoring module is used to obtain the charging current parameters corresponding to the vehicle under test, and determine the current abnormality state corresponding to the vehicle under test according to the charging current parameters; the battery temperature monitoring module is used to obtain the temperature of the surface of the power battery of the vehicle under test, and determine the thermal runaway state of the power battery according to the temperature of the surface of the power battery; the charging anti-interference test evaluation module is used to determine the charging anti-interference test result corresponding to the vehicle under test according to the interference state, the current abnormality state and the thermal runaway state.

[0006] In a third aspect, an embodiment of the present application provides an electronic device, comprising a memory and a processor, wherein the memory is coupled to the processor, the memory stores instructions, and when the instructions are executed by the processor, the processor executes the above method.

[0007] In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, in which a program code is stored, and the program code can be called by a processor to execute the above method.

[0008] In the scheme of the present application, during the charging anti-interference test of the vehicle to be tested, the network communication signal of the vehicle to be tested is obtained, and the interference state of the vehicle to be tested is determined according to the network communication signal, the charging current parameters corresponding to the vehicle to be tested are obtained, and the current abnormal state corresponding to the vehicle to be tested is determined according to the charging current parameters, the temperature of the surface of the power battery of the vehicle to be tested is obtained, and the thermal runaway state of the power battery is determined according to the temperature of the surface of the power battery, so as to improve the accuracy of the evaluation of the vehicle charging anti-interference test results by monitoring the abnormal conditions of the network communication signal of the vehicle to be tested, the abnormal conditions of the charging current of the vehicle to be tested, and the abnormal conditions of the temperature of the surface of the power battery of the vehicle to be tested, thereby improving the convenience of analyzing the working state of the vehicle in the charging anti-interference test. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0010] Figure 1 A flow chart of a method for monitoring a vehicle charging anti-disturbance test provided by an embodiment of the present application is shown;

[0011] Figure 2 A schematic diagram of a test site where a vehicle to be tested is located according to an embodiment of the present application is shown;

[0012] Figure 3 A flow chart of a method for monitoring a vehicle charging anti-disturbance test provided by an embodiment of the present application is shown;

[0013] Figure 4 A flow chart of a method for monitoring a vehicle charging anti-disturbance test provided by an embodiment of the present application is shown;

[0014] Figure 5 A structural block diagram of a test monitoring system provided by an embodiment of the present application is shown;

[0015] Figure 6 A schematic diagram showing an application environment of a monitoring method for a vehicle charging anti-disturbance test provided by an embodiment of the present application;

[0016] Figure 7 A module block diagram of a monitoring device for vehicle charging anti-disturbance testing provided by an embodiment of the present application is shown;

[0017] Figure 8 A block diagram of an electronic device according to an embodiment of the present application for executing a monitoring method for a vehicle charging anti-disturbance test according to an embodiment of the present application is shown;

[0018] Fig. 9 A storage unit for storing or carrying program codes for implementing a monitoring method for a vehicle charging anti-disturbance test according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0020] In the related art, the monitoring method for electric vehicle charging anti-interference test is mostly: during the whole vehicle test, only the charging status information displayed on the instrument screen of the tested vehicle is monitored by a video monitoring system. However, this monitoring method cannot judge some subtle changes in working conditions during the anti-interference test, and cannot judge the conditions that are not shown but do not meet the test requirements. Therefore, in the related art, the evaluation of vehicle charging anti-interference test results has the problem of low accuracy.

[0021] In response to the above problems, the inventors have found through long-term research that they have proposed a monitoring method, device, and electronic device for vehicle charging anti-interference test provided in the embodiments of the present application. By determining whether the vehicle's network communication is faulty, whether the charging current is abnormal, and whether the battery temperature is thermally runaway during the vehicle charging anti-interference test, the accuracy of the vehicle charging anti-interference test result assessment is improved. The specific monitoring method for vehicle charging anti-interference test is described in detail in the subsequent embodiments.

[0022] See also Figure 1 , Figure 1 FIG. 1 is a flow chart of a method for monitoring a vehicle charging anti-interference test provided by an embodiment of the present application. In a specific embodiment, the method for monitoring a vehicle charging anti-interference test can be applied to Figure 7 The monitoring device 200 for vehicle charging anti-disturbance test and the electronic device 100 equipped with the monitoring device 200 for vehicle charging anti-disturbance test are shown in FIG. Figure 8 ). The following will take electronic equipment as an example to illustrate the specific process of this embodiment. Of course, it can be understood that the electronic equipment used in this embodiment may include desktop computers, laptops, vehicle terminals, vehicle large screens and other devices, which are not limited here. Figure 1 The process shown is described in detail, and the monitoring method of the vehicle charging anti-disturbance test may specifically include the following steps:

[0023] Step S110: When the vehicle to be tested is in an environment with a preset electromagnetic interference intensity, a charging anti-interference test is performed on the vehicle to be tested.

[0024] In some embodiments, the electronic device can perform a charging interference immunity test on the vehicle under test when the vehicle under test is in an environment with a preset electromagnetic interference intensity. The vehicle under test can be in a test site built according to the requirements of the GB 34660 standard.

[0025] For example, see Figure 2 , which shows a schematic diagram of the test site where the vehicle to be tested is located provided by an embodiment of the present application. Wherein, the vehicle to be tested is in a whole vehicle semi-anechoic chamber, which is used to simulate open field conditions, allowing electromagnetic radiation and anti-interference tests on the entire vehicle or large equipment. Wherein, the horizontal distance between the phase center of the radiating antenna and the reference point of the vehicle to be tested should be no less than 2 meters (≥2m), any part of the antenna radiating unit should be no less than 0.25 meters (≥0.25m) from the floor of the semi-anechoic chamber, and the height of the reference point of the vehicle to be tested relative to the floor of the semi-anechoic chamber is in the range of (1±0.05m). Wherein, the vehicle to be tested can be wirelessly charged in the whole vehicle semi-anechoic chamber.

[0026] Among them, the electronic device may include an electromagnetic radiation immunity system; accordingly, the electronic device may control the electromagnetic radiation immunity system to output a modulation signal, a pulse signal, a sine wave signal and other signals to cause electromagnetic interference to the vehicle under test. Exemplarily, the electronic device may control the signal source of the electromagnetic radiation immunity system to output a sine wave signal, and may amplify the sine wave signal through a power amplifier so that the sine wave signal reaches a specified electric field strength, and may emit electromagnetic waves through a radio frequency antenna to interfere with the vehicle under test. Among them, controlling the sine wave signal to reach a specified electric field strength can be understood as the interference to the vehicle under test reaches a preset electromagnetic interference strength.

[0027] The preset electromagnetic interference intensity can be set by the user or obtained through third-party experimental data, which is not limited here. For example, the preset electromagnetic interference intensity can be within the frequency range of 10 MHz to 1 GHz, and the electromagnetic field intensity can reach 10 V / m to 30 V / m or even higher.

[0028] The charging method of the vehicle under test can be wireless charging. Accordingly, the electronic device can perform wireless charging anti-interference test on the vehicle under test when the vehicle under test is in an environment with a preset electromagnetic interference intensity, and can evaluate the charging anti-interference test results of the vehicle under test by determining whether the charging function of the vehicle under test fails, whether the network communication has a fault, whether the charging current is abnormal, and whether the power battery temperature has thermal runaway.

[0029] Step S120: Acquire the network communication signal of the vehicle to be tested, and determine the interference state of the vehicle to be tested according to the network communication signal.

[0030] In some embodiments, the electronic device can obtain the network communication signal of the vehicle under test during the charging anti-interference test of the vehicle under test, and determine the interference state of the vehicle under test according to the network communication signal. The interference state can be used to indicate whether the network communication of the vehicle under test is faulty.

[0031] In some embodiments, the electronic device can collect the communication status of the vehicle bus of the vehicle to be tested in real time when it is in a charging state, and determine the communication fault code of the vehicle bus by analyzing the communication status of the vehicle bus. Optionally, the electronic device can include a network communication monitoring system, and the vehicle network signal acquisition terminal in the network communication monitoring system can collect and transmit signals with a rate between 125kbit / s-1000Mbit / s. Accordingly, the electronic device can parse the signals collected and transmitted by the network communication monitoring system. Exemplarily, the network communication monitoring system can collect the signal of the bus of the vehicle to be tested, and can convert the signal into an optical signal, and transmit the collected vehicle network signal to the electronic device through an optical fiber, so that the electronic device converts the optical signal into an electrical signal, and monitors the communication fault code on the bus in real time according to the electrical signal.

[0032] Among them, the network communication signal may include the bus signal of the vehicle to be tested, and the electronic device may determine the data collected through the network monitoring system as diagnostic data. The diagnostic data may be identified and collected by preset software (such as a diagnostic instrument, etc.). For example, the character "1" is displayed on the software during normal charging, and the character "0" is displayed on the software when charging is interrupted.

[0033] In some embodiments, the electronic device can determine whether the network communication of the vehicle under test is faulty based on the acquired communication fault code of the bus, and can locate the electrical components of the vehicle under test with abnormal communication based on the communication fault code, so as to improve the accuracy of locating the problematic electrical components in the anti-interference test of the vehicle under test.

[0034] Step S130: acquiring charging current parameters corresponding to the vehicle under test, and determining the abnormal current state corresponding to the vehicle under test according to the charging current parameters.

[0035] In some embodiments, the electronic device can obtain the charging current parameters corresponding to the vehicle under test during the charging anti-interference test of the vehicle under test, and determine the current abnormality state corresponding to the vehicle under test according to the charging current parameters. The current abnormality state can be used to indicate whether the charging current of the vehicle under test is abnormal.

[0036] In some embodiments, the electronic device can respectively obtain the charging current of the power battery of the vehicle under test and the input current of the wireless charging system transmitter board corresponding to the vehicle under test, and can determine the abnormal current state of the vehicle under test based on the charging current and the input current.

[0037] Exemplarily, the electronic device may include an electrical parameter monitoring system, which may include a current sensor, which may withstand an electric field higher than 200V / m, may include multiple ranges, such as covering 1A-100A, may have high resolution, such as meeting 10uA-1mA, and may have an accuracy of ±5%. Accordingly, the electronic device may collect the charging current of the power battery of the vehicle under test and the input current of the wireless charging system transmitter board corresponding to the vehicle under test through the current sensor included in the electrical parameter monitoring system, thereby determining the abnormal current state of the vehicle under test based on the charging current and the input current.

[0038] The electronic device may include a multi-channel digital oscilloscope, and accordingly, the electronic device may display the obtained charging current and input current through the multi-channel digital oscilloscope. Exemplarily, the electronic device may connect the channel corresponding to the charging current to CH1 of the multi-channel digital oscilloscope, and may connect the channel corresponding to the input current to CH2 of the multi-channel digital oscilloscope, and display the current value of the charging current and the current value of the input current through the multi-channel digital oscilloscope.

[0039] In some embodiments, a current recording threshold and a recording condition corresponding to the current recording threshold may be pre-set in the electronic device. Accordingly, the electronic device may record the acquired charging current and input current based on the current recording threshold and the recording condition corresponding to the current recording threshold. Optionally, the recording condition corresponding to the current recording threshold may be to record the current when the acquired current is greater than the current recording threshold, or may be to record the current when the acquired current is less than the current recording threshold, which is not limited here. Among them, the current recorded by the electronic device can be understood as an abnormal current.

[0040] The current recording threshold value can be set by the user or obtained through third-party experimental data, which is not limited here. The current recording threshold value can be understood as a basis for judging whether the acquired current is abnormal.

[0041] In some embodiments, if the electronic device determines that there is an abnormal current in the acquired current, it can be determined that the charging current of the vehicle under test is abnormal; if the electronic device determines that there is no abnormal current in the acquired current, it can be determined that there is no abnormality in the charging current of the vehicle under test. If the electronic device determines that the charging current is abnormal, it can be determined that the problematic electrical component during the charging anti-interference test of the vehicle under test is a component at the charging receiving end of the vehicle under test; if the electronic device determines that the input current is abnormal, it can be determined that the problematic electrical component during the charging anti-interference test of the vehicle under test is a component at the charging sending end of the vehicle under test, thereby improving the accuracy of locating the problematic electrical component during the charging anti-interference test of the vehicle under test.

[0042] Step S140: acquiring the surface temperature of the power battery of the vehicle to be tested, and determining the thermal runaway state of the power battery according to the surface temperature of the power battery.

[0043] In some embodiments, the electronic device can obtain the surface temperature of the power battery of the vehicle under test during the charging anti-disturbance test of the vehicle under test, and determine the thermal runaway state of the power battery according to the surface temperature of the power battery. The thermal runaway state can be used to indicate whether the temperature of the power battery of the vehicle under test is in thermal runaway.

[0044] In some embodiments, the electronic device may obtain the temperature detected by the temperature sensors arranged at various positions on the surface of the power battery of the vehicle to be tested, thereby obtaining the surface temperature of the power battery of the vehicle to be tested. Among them, the electronic device may be pre-set with a preset temperature, which may be set by the user independently or obtained through third-party experimental data, which is not limited here. Accordingly, after the electronic device obtains the surface temperature of the power battery of the vehicle to be tested, it may determine the thermal runaway state of the power battery of the vehicle to be tested based on the relationship between the temperature and the preset temperature.

[0045] Exemplarily, the electronic device may include a fiber grating temperature monitoring system, wherein the fiber grating temperature monitoring system may include a fiber temperature sensor, the number of the fiber temperature sensors may be multiple, and the multiple fiber temperature sensors may be arranged at various positions on the surface of the power battery of the vehicle to be tested, and the multiple fiber temperature sensors may be networked in series or in parallel, and all channels of the multiple fiber temperature sensors may be measured in parallel. Among them, the fiber grating temperature monitoring system can realize centralized monitoring of up to 2400 temperature points, the temperature measurement accuracy can reach ±0.5°C, the temperature resolution can reach 0.1°C, the temperature measurement range can be from -40°C to 150°C, and the single data acquisition time of the fiber grating temperature monitoring system can be ≤0.1s, which is not limited here. Accordingly, the electronic device can obtain the temperature of various positions on the surface of the power battery of the vehicle to be tested through the fiber grating temperature monitoring system, thereby determining the thermal runaway state of the power battery of the vehicle to be tested.

[0046] After obtaining the temperature of each position on the surface of the power battery of the vehicle to be tested, the electronic device can compare the temperature of each position with the preset temperature. If it is determined that the temperature is greater than the preset temperature, it can be determined that the power battery has thermal runaway. Correspondingly, the electronic device can also obtain the position of the power battery corresponding to the temperature, and can locate the position information of the overheated power battery based on the position.

[0047] In some embodiments, after the electronic device obtains the temperature of each position on the surface of the power battery of the vehicle to be tested, it can display the temperature of each position on the surface of the power battery of the vehicle to be tested. Optionally, the electronic device can also output a prompt message when it detects that there is a position on the surface of the power battery with a temperature greater than a preset temperature. Among them, the prompt message can be used to prompt that the power battery of the vehicle to be tested has thermal runaway to ensure the safety of charging of the vehicle to be tested. Optionally, when the electronic device detects that there is a position on the surface of the power battery with a temperature greater than a preset temperature, it can determine the position of the thermal runaway of the power battery based on the position of the temperature and record it, thereby improving the accuracy of locating the position of the abnormal power battery temperature, facilitating the optimization design of the thermal management system, and improving the safety and reliability of the power battery pack.

[0048] Step S150: Determine a charging anti-disturbance test result corresponding to the vehicle to be tested according to the disturbed state, the abnormal current state, and the thermal runaway state.

[0049] In some embodiments, after the electronic device obtains the interference state, abnormal current state and thermal runaway state of the vehicle under test during the charging anti-interference test, it can determine the charging anti-interference test result corresponding to the vehicle under test based on the interference state, the abnormal current state and the thermal runaway state.

[0050] Among them, if the electronic device determines that the network communication of the vehicle under test has failed based on the interference state, and / or determines that the charging current of the vehicle under test has been abnormal based on the abnormal current state, and / or determines that the power battery has thermal runaway based on the thermal runaway state, it can be determined that the vehicle under test has failed the charging anti-interference test.

[0051] Among them, it can be understood that the electronic equipment can monitor the network communication signal of the vehicle to be tested, the temperature of the surface of the power battery, and the charging current of the vehicle to be tested during the charging anti-interference test of the vehicle to be tested, so as to monitor, record and replay in real time the network communication of the vehicle to be tested, the temperature change of the power battery, and the abnormal situation of the charging current during the wireless charging anti-interference test of the vehicle to be tested, so as to quickly locate the problematic electrical components during the charging anti-interference test of the vehicle to be tested, ensure the charging safety of the vehicle to be tested, and improve the accuracy of the evaluation of the vehicle charging anti-interference test results.

[0052] A monitoring method for a vehicle charging anti-interference test provided in an embodiment of the present application obtains a network communication signal of the vehicle to be tested during the charging anti-interference test of the vehicle to be tested, determines the interference state of the vehicle to be tested according to the network communication signal, obtains a charging current parameter corresponding to the vehicle to be tested, determines the current abnormal state corresponding to the vehicle to be tested according to the charging current parameter, obtains the surface temperature of the power battery of the vehicle to be tested, and determines the thermal runaway state of the power battery according to the surface temperature of the power battery, so as to improve the accuracy of the evaluation of the vehicle charging anti-interference test results and the convenience of analyzing the vehicle working state in the charging anti-interference test by monitoring the abnormal conditions of the network communication signal of the vehicle to be tested, the abnormal conditions of the charging current of the vehicle to be tested, and the abnormal conditions of the surface temperature of the power battery of the vehicle to be tested.

[0053] See also Figure 3 , Figure 3 The flowchart of the monitoring method of the vehicle charging anti-interference test provided by an embodiment of the present application is shown. The method is applied to the above electronic device. Figure 3 The process shown is described in detail, and the monitoring method of the vehicle charging anti-disturbance test may specifically include the following steps:

[0054] Step S210: When the vehicle to be tested is in an environment with a preset electromagnetic interference intensity, a charging anti-interference test is performed on the vehicle to be tested.

[0055] For the specific description of step S210, please refer to the above description of step S110, which will not be repeated here.

[0056] Step S220: obtaining a network communication signal of the vehicle under test, and obtaining a communication fault code corresponding to a bus of the vehicle under test according to the network communication signal.

[0057] In some embodiments, the electronic device can obtain the network communication signal of the vehicle under test during the charging anti-interference test of the vehicle under test, and obtain the communication fault code corresponding to the bus of the vehicle under test according to the network communication signal. Among them, the electronic device may include a network communication monitoring system, which can be used to monitor the network communication status of the on-board bus in the vehicle under test. Among them, the network communication monitoring system can be composed of a network signal acquisition terminal, an optoelectronic conversion module, a network monitoring device, a host computer and software, and can be used to monitor the battery management system (BMS) communication signal and the wireless charging control unit communication signal of the vehicle under test during the charging process of the vehicle under test.

[0058] Exemplarily, the network communication monitoring system may include a network signal acquisition terminal, an optoelectronic conversion module 1, an optoelectronic conversion module 2, a network monitoring device, a host computer and software. Among them, the electronic device can convert the battery management system (BMS) communication signal collected by the network signal acquisition terminal in the network communication monitoring system and the communication signal with the wireless charging control unit into an optical signal through the optoelectronic conversion transmitting module 1, and can use optical fiber to send the optical signal representing the network signal of the whole vehicle to the optoelectronic conversion receiving module 2 connected to the optoelectronic conversion transmitting module 1, and the optoelectronic conversion receiving module 2 can convert the optical signal into an electrical signal and send it to the network monitoring device, and the host computer and software can parse the electrical signal to obtain the communication fault code on the bus of the vehicle to be tested, so as to determine the interference state of the vehicle to be tested according to the communication fault code.

[0059] In some embodiments, the vehicle to be tested may include a self-diagnosis system, which may be used to monitor multiple electronic systems of the vehicle to be tested, and output a communication fault code when it is determined that a problem occurs in the electronic system of the vehicle to be tested. Accordingly, the electronic device may also receive the communication fault code of the vehicle to be tested output by the self-diagnosis system of the vehicle to be tested.

[0060] Step S230: Determine the interference state of the vehicle to be tested according to the communication fault code.

[0061] In some embodiments, after the electronic device obtains the communication fault code corresponding to the bus of the vehicle under test, it can determine the interference state of the vehicle under test during charging according to the communication fault code. When the electronic device determines that the network communication of the vehicle under test during charging is faulty according to the communication fault code, it can determine the cause of the abnormal network communication according to the bus signal of the vehicle under test and the diagnostic data collected by the network monitoring system.

[0062] Exemplarily, the vehicle under test can carry information about the problematic component corresponding to the communication fault code when outputting the communication fault code of the vehicle under test; accordingly, the electronic device can determine the interference state of the vehicle under test after obtaining the corresponding communication fault code of the vehicle under test, and can parse the communication fault code to obtain the problematic component carried by the communication fault code, thereby accurately locating the cause of the network communication abnormality of the vehicle under test.

[0063] Step S240: obtaining the current at the input terminal of the power battery of the vehicle to be tested as the first current value.

[0064] In some implementations, the electronic device may obtain a current at an input terminal of a power battery of the vehicle to be tested as the first current value.

[0065] Step S250: obtaining the current at the output end of the charging device corresponding to the vehicle to be tested as the second current value.

[0066] In some implementations, the electronic device may obtain the current at the output end of the charging device corresponding to the vehicle under test as the second current value.

[0067] Step S260: determining the abnormal current state according to the first current value and the second current value.

[0068] In some embodiments, after the electronic device obtains the first current value and the second current value, it can determine the abnormal current state of the vehicle under test according to the first current value and the second current difference. Optionally, a preset charging current range can be pre-set in the electronic device, wherein the preset charging current range can be used as a basis for the electronic device to determine whether the power battery of the vehicle under test is abnormal.

[0069] As an implementable method, if the electronic device determines that the first current value is not within the preset charging current range, it can be determined that an abnormality has occurred in the power battery of the vehicle under test, and it can be determined that the current at the input end of the power battery of the vehicle under test is abnormal, and it can be determined that the current abnormality position corresponding to the vehicle under test is the charging receiving device of the vehicle under test, such as the on-board receiving board of the vehicle under test, the control unit of the vehicle under test, etc.

[0070] As another feasible method, if the electronic device determines that the second current value is not within the preset charging current range, it can determine that an abnormality has occurred in the power battery of the vehicle under test, and can determine that the current at the output end of the charging device corresponding to the vehicle under test is abnormal, and can determine that the current abnormality position corresponding to the vehicle under test is the charging device, such as a ground transmitting plate used for wireless charging of the vehicle under test.

[0071] Among them, it can be understood that in this embodiment, during the charging anti-interference test of the vehicle to be tested, the electronic device can monitor the current at the input end of the power battery of the vehicle to be tested and the current at the output end of the charging device corresponding to the vehicle to be tested in real time, and can judge whether the charging current of the vehicle to be tested is abnormal by analyzing the current at the input end of the power battery of the vehicle to be tested and the current at the output end of the charging device corresponding to the vehicle to be tested, and when it is determined that the charging current of the vehicle to be tested is abnormal, the abnormal current position corresponding to the vehicle to be tested is judged, such as, the charging receiving device of the vehicle to be tested (such as, the vehicle-mounted receiving board, the control unit, etc.) is subjected to electromagnetic interference, resulting in charging interruption; for example, the charging device corresponding to the vehicle to be tested (such as, high-frequency power supply, ground transmitting board, etc.) is subjected to electromagnetic interference, resulting in charging interruption, which improves the accuracy of locating the problem device of the vehicle to be tested. Among them, the vehicle-mounted receiving board may include a device that converts a magnetic field into electricity; accordingly, after the vehicle to be tested converts the magnetic field into electrical energy, the electrical energy can be distributed to the battery for charging through the control unit. Among them, the high-frequency power supply and the ground transmitting board can be understood as wireless chargers.

[0072] Step S270: generating a temperature field cloud map corresponding to the power battery according to the temperature of the surface of the power battery, wherein the temperature field cloud map is used to characterize the temperature of each position on the surface of the power battery.

[0073] In some embodiments, after the electronic device obtains the temperature of the surface of the power battery of the vehicle to be tested, it can generate a temperature field cloud map corresponding to the power battery according to the temperature of the surface of the power battery; wherein the temperature field cloud map can be used to characterize the temperature of each position on the surface of the power battery, thereby graphically representing the temperature of the surface of the power battery, so that the experimenter can intuitively observe the temperature of the surface of the power battery, thereby improving the convenience and accuracy of determining whether the power battery has thermal runaway.

[0074] Step S280: Determine the thermal runaway state according to the temperature field cloud map and a preset temperature.

[0075] In some embodiments, a preset temperature may be pre-set in the electronic device, and the preset temperature may be used as a basis for the electronic device to determine whether the power battery of the vehicle to be tested is in thermal runaway. For example, if the electronic device determines that there is a temperature greater than the preset temperature in the temperature field cloud map, it may be determined that the power battery of the vehicle to be tested is in thermal runaway; if the electronic device determines that there is no temperature greater than the preset temperature in the temperature field cloud map, it may be determined that the power battery of the vehicle to be tested is not in thermal runaway.

[0076] Optionally, a preset number may also be set in the electronic device. If the electronic device determines that there are a preset number of temperatures greater than a preset temperature in the temperature field cloud map, it can be determined that the power battery of the vehicle to be tested has a thermal runaway state; if the electronic device determines that there are no preset number of temperatures greater than a preset temperature in the temperature field cloud map, it can be determined that the power battery of the vehicle to be tested has not a thermal runaway state.

[0077] Optionally, a preset area may also be provided in the electronic device; wherein the electronic device may obtain a temperature greater than a preset temperature in the temperature field cloud map, and may determine the temperature abnormality area corresponding to the power battery according to the position corresponding to the temperature; accordingly, if the temperature abnormality area is greater than the preset area, it may be determined that the power battery of the vehicle to be tested has a thermal runaway state; if the temperature abnormality area is not greater than the preset area, it may be determined that the power battery of the vehicle to be tested has not a thermal runaway state.

[0078] In some embodiments, after the electronic device determines the thermal runaway state of the power battery of the vehicle to be tested based on the temperature field cloud map and the preset temperature, if it is determined that the power battery has thermal runaway based on the thermal runaway state, a target temperature in the temperature field cloud map that is greater than the preset temperature can be obtained, and the position corresponding to the target temperature can be determined from various positions on the surface of the power battery, and the position of the abnormal power battery temperature can be determined based on the position corresponding to the target temperature.

[0079] Among them, it can be understood that in this embodiment, during the charging anti-interference test of the vehicle to be tested, the electronic device can monitor the temperature of the surface of the power battery of the vehicle to be tested in real time, and determine whether the battery management system (BMS) of the power battery of the vehicle to be tested is subject to electromagnetic interference during the charging process, resulting in thermal runaway to ensure the safety of the vehicle, and can accurately locate the information of the overheating position of the battery module, providing effective data feedback for the optimization design of the power battery pack structure and the optimization design of the thermal management system.

[0080] Step S290: Determine a charging anti-disturbance test result corresponding to the vehicle to be tested according to the disturbed state, the abnormal current state, and the thermal runaway state.

[0081] For the specific description of step S290, please refer to the previous description of step S150, which will not be repeated here.

[0082] Compared with the monitoring method of vehicle charging anti-disturbance test provided by an embodiment of the present application, Figure 1The monitoring method of the vehicle charging anti-interference test shown in the embodiment can also obtain the current at the input end of the power battery of the vehicle to be tested as the first current value; obtain the current at the output end of the charging device corresponding to the vehicle to be tested as the second current value; determine the current abnormal state according to the first current value and the second current value, so as to monitor the current at the input end of the power battery of the vehicle to be tested and the current at the output end of the charging device corresponding to the vehicle to be tested in real time, and judge whether the charging current of the vehicle to be tested is abnormal, thereby improving the accuracy of the vehicle charging anti-interference test evaluation. This embodiment can also obtain the communication fault code corresponding to the bus of the vehicle to be tested according to the network communication signal, and determine the interference state of the vehicle to be tested according to the communication fault code, so as to monitor the network communication in the process of charging anti-interference test of the vehicle, and timely discover the abnormal state that cannot be observed subjectively, reduce the test error caused by subjective factors, make the test result evaluation more objective and accurate, and provide a basis for locating the problem of the vehicle to be tested, thereby improving the effectiveness of the vehicle charging anti-interference test evaluation. At the same time, this embodiment can also generate a temperature field cloud map corresponding to the power battery according to the temperature of the power battery surface, wherein the temperature field cloud map is used to characterize the temperature of each position on the power battery surface; the thermal runaway state is determined according to the temperature field cloud map and the preset temperature, so that during the electromagnetic interference test, the temperature field cloud map information of the power battery of the vehicle to be tested is obtained, and through the visualized temperature field cloud map information, whether the power battery has thermal runaway is monitored in real time, thereby improving the accuracy and accuracy of the vehicle charging anti-disturbance test evaluation.

[0083] See also Figure 4 , Figure 4 The flowchart of the monitoring method of the vehicle charging anti-interference test provided by an embodiment of the present application is shown. The method is applied to the above electronic device. Figure 4 The process shown is described in detail, and the monitoring method of the vehicle charging anti-disturbance test may specifically include the following steps:

[0084] Step S310: When the vehicle to be tested is in an environment with a preset electromagnetic interference intensity, a charging anti-interference test is performed on the vehicle to be tested.

[0085] Step S320: Acquire the network communication signal of the vehicle to be tested, and determine the interference state of the vehicle to be tested according to the network communication signal.

[0086] Step S330: acquiring charging current parameters corresponding to the vehicle under test, and determining the abnormal current state corresponding to the vehicle under test according to the charging current parameters.

[0087] Step S340: acquiring the surface temperature of the power battery of the vehicle to be tested, and determining the thermal runaway state of the power battery according to the surface temperature of the power battery.

[0088] For the detailed description of step S310 to step S340, please refer to the above description of step S110 to step S140, which will not be repeated here.

[0089] Step S350: Acquire the instrument screen data of the vehicle to be tested, and acquire the charging progress bar status of the vehicle to be tested according to the instrument screen data.

[0090] In some embodiments, the electronic device can obtain the instrument screen data of the vehicle to be tested, and can obtain the charging progress bar status of the vehicle to be tested based on the instrument screen data. The instrument screen data of the vehicle to be tested can be understood as the charging status information of the vehicle to be tested, and can include the power, mileage, charging percentage and other data of the vehicle to be tested displayed on the instrument screen of the vehicle to be tested.

[0091] In some embodiments, the electronic device may include a video monitoring system, wherein the video monitoring system may be composed of a video collector, a video control unit, and a video playback and storage device. The video collector in the video monitoring system may be aimed at the instrument screen of the vehicle to be tested, for collecting instrument screen data of the vehicle to be tested, and may transmit the collected image to the video control unit via an optical fiber, and the video control unit may be connected to the video playback and storage device, and may display the instrument screen data of the vehicle to be tested in real time. It is understood that the transmission of light is not affected by the electromagnetic field, and therefore, the transmission to the video control unit via an optical fiber improves the stability of data transmission.

[0092] The electronic device can monitor the charging progress bar on the instrument screen of the vehicle to be tested according to the obtained instrument screen data of the vehicle to be tested, thereby obtaining the charging progress bar status of the vehicle to be tested. The charging progress bar status may include the charging progress bar being stationary, the charging progress bar disappearing, etc.

[0093] Step S360: Determine the charging status of the vehicle to be tested according to the status of the charging progress bar.

[0094] In some embodiments, after the electronic device obtains the state of the charging progress bar of the vehicle under test, it can determine the charging state of the vehicle under test according to the state of the charging progress bar. Exemplarily, if the electronic device determines that the charging progress bar is stationary or disappears according to the state of the charging progress bar of the vehicle under test, it can be determined that the charging state of the vehicle under test is charging failure.

[0095] Step S370: Determine a charging anti-disturbance test result corresponding to the vehicle to be tested according to the disturbed state, the abnormal current state, the thermal runaway state and the charging state.

[0096] In some embodiments, after the electronic device obtains the interference state, abnormal current state, thermal runaway state and charging state of the vehicle under test, it can determine the charging anti-interference test result corresponding to the vehicle under test based on the interference state, the abnormal current state, the thermal runaway state and the charging state.

[0097] As an implementable method, if the electronic device determines that the network communication of the vehicle under test has not failed based on the interference state of the vehicle under test, determines that the charging current of the vehicle under test has not been abnormal based on the abnormal current state of the vehicle under test, determines that the power battery of the vehicle under test has not experienced thermal runaway based on the thermal runaway state of the vehicle under test, and determines that the charging function of the vehicle under test has not failed based on the charging state of the vehicle under test, then it can be determined that the vehicle under test has passed the charging anti-interference test.

[0098] As another feasible manner, if the electronic device determines that the network communication of the vehicle under test has failed based on the interference state of the vehicle under test, and / or determines that the charging current of the vehicle under test has been abnormal based on the abnormal current state of the vehicle under test, and / or determines that the power battery of the vehicle under test has thermal runaway based on the thermal runaway state of the vehicle under test, and / or determines that the charging function of the vehicle under test has failed based on the charging state of the vehicle under test, then it can be determined that the vehicle under test has failed the charging anti-interference test.

[0099] Optionally, if the electronic device determines that the network communication of the vehicle under test has failed based on the interference state of the vehicle under test, the cause of the network communication failure can be determined by analyzing the fault code of the on-board bus, so as to avoid missing some abnormal operating conditions when evaluating the charging anti-interference test results of the vehicle under test only through subjective observation, resulting in misjudgment of the test results, thereby improving the accuracy of locating the problem of the vehicle under test failing the charging anti-interference test.

[0100] Optionally, if the electronic device determines that the charging current of the vehicle under test is abnormal based on the abnormal current state of the vehicle under test, it can locate the current abnormality position corresponding to the vehicle under test by analyzing the current parameters at the power battery end of the vehicle under test and the current parameters at the charging device end, thereby improving the accuracy of the charging anti-interference test assessment of the vehicle under test.

[0101] Optionally, if the electronic device determines that the power battery of the vehicle under test has thermal runaway based on the thermal runaway state of the vehicle under test, it can accurately locate the overheating position information of the single battery module of the vehicle under test based on the temperature field cloud map information reflecting the power battery, and provide effective data feedback for the optimization design of the power battery pack structure and the optimization design of the thermal management system, so as to make the test result evaluation more objective and accurate, and improve the safety and reliability of the vehicle.

[0102] Optionally, if the electronic device determines that the charging function of the vehicle under test fails according to the charging state of the vehicle under test, it can be determined that the charging of the power battery of the vehicle under test is stopped during the charging anti-interference test.

[0103] For example, please refer to Figure 5 and Figure 6 , Figure 5 The structure diagram of the test monitoring system provided by an embodiment of the present application is shown. Figure 6 A schematic diagram of the application environment of the monitoring method of the vehicle charging anti-disturbance test provided by an embodiment of the present application is shown. Among them, the electronic device may include a test monitoring system 400, wherein the test monitoring system 400 may include a network communication monitoring system 410, an electrical parameter monitoring system 420, a fiber Bragg grating temperature monitoring system 430 and a video monitoring system 440. Among them, the network communication monitoring system 410 may be composed of a network signal acquisition terminal, a photoelectric conversion module, a network monitoring device, a host computer and software, and may be used to monitor the battery management system (BMS) communication signal and the wireless charging control unit communication signal during the charging process of the vehicle to be tested. The electrical parameter monitoring system 420 may be composed of a current sensor, a current sensor control unit and a multi-channel oscilloscope, and may be used to monitor the current parameters of the power battery terminal. The fiber Bragg grating temperature monitoring system 430 may be composed of an optical fiber temperature sensor, a temperature acquisition module, a host computer and software, and may be used to monitor the temperature change of the power battery in real time. The video monitoring system 440 may be composed of a video collector, a video control unit, a video playback and storage device, and may be used to monitor the charging status information displayed on the instrument screen of the vehicle to be tested.

[0104] Among them, the vehicle to be tested can be set up for the test environment according to the requirements of the GB 34660-2017 standard, and the electronic equipment can be used to perform charging anti-interference tests on the vehicle to be tested at the test site built according to the requirements of the GB 34660 standard. Among them, during the charging anti-interference test, the half-wave darkroom of the whole vehicle is isolated from the external electrical equipment (such as the control room, equipment room, etc.) to prevent the external equipment from being subjected to electromagnetic interference. Among them, the test monitoring system 400 may also include an electromagnetic radiation immunity system; wherein the electromagnetic radiation immunity system may include a signal source, a power amplifier, and a radio frequency antenna. Among them, the electromagnetic radiation immunity system may output a sinusoidal wave signal through a signal source, and amplify the sinusoidal wave signal through a power amplifier, and after the sinusoidal wave signal reaches the specified electric field strength, an electromagnetic wave is emitted through the radio frequency antenna to interfere with the vehicle to be tested, thereby determining whether the charging function of the vehicle to be tested is invalid, whether the network communication is faulty, whether the charging current is abnormal, and whether the battery temperature is thermally runaway, so as to obtain the charging anti-interference test results corresponding to the vehicle to be tested.

[0105] Among them, during the charging anti-interference test of the vehicle to be tested, the video collector 01 included in the video monitoring system 440 can be aimed at the instrument screen of the vehicle to be tested, and the video collector 01 can transmit the collected image to the video control unit 02 through optical fiber. The video control unit 02 can be connected to the video playback and storage device 03, and the video playback and storage device 03 can display the instrument screen data on the instrument screen in real time.

[0106] Among them, during the charging anti-interference test of the vehicle to be tested, the network signal acquisition terminal 04 included in the network communication monitoring system 410 can be connected to the on-board network communication diagnostic interface, collect the signal of the vehicle bus to be tested and send it to the first photoelectric conversion transmitting module 05, and the first photoelectric conversion transmitting module 05 converts the signal of the vehicle bus from an electrical signal to an optical signal, and sends it to the second photoelectric conversion receiving module 06 through an optical fiber, and the second photoelectric conversion receiving module 06 converts the optical signal into an electrical signal and transmits it to the network signal monitoring device 07 outside the darkroom, and the network signal monitoring device 07 forwards it to the host computer and software 08, so as to monitor the communication fault code on the bus in real time on the host computer and software 08.

[0107] In the process of charging anti-interference test on the vehicle to be tested, the first current sensor 09 included in the electrical parameter monitoring system 420 can be set at the power input end of the power battery pack 19 of the vehicle to be tested (such as the vehicle-mounted receiving board 15 and the wireless control unit 16), which can be used to obtain the charging current of the power battery, and can be connected to the channel 1 of the current sensor control unit 11 in the control room through an optical fiber. In the process of charging anti-interference test on the vehicle to be tested, the first current sensor 09 and the second current sensor 10 can transmit the collected current to the current sensor control unit 1 ... Among them, a trigger signal and a preset charging current range can be pre-set in the current sensor control unit 11. When the input current or charging current is not within the preset charging current range, the current sensor control unit 11 can output a trigger signal, and the trigger signal can be used to trigger the multi-channel digital oscilloscope 12 to record the abnormal input current or charging current.

[0108] Among them, during the charging anti-interference test of the vehicle to be tested, the optical fiber temperature sensor 13 included in the optical fiber Bragg grating temperature monitoring system 430 can be arranged on the surface of the power battery of the vehicle to be tested, and the temperature acquisition module 14 can provide a light source signal to the optical fiber temperature sensor 13, and read and analyze the optical signal with temperature information returned by the optical fiber temperature sensor 13. The host computer and software 08 can monitor the temperature field cloud map information of the power battery in real time, and can monitor whether the power battery has thermal runaway in real time through the visualized temperature field cloud map information during the electromagnetic interference test, and display and store temperature data, alarm information, and fault information.

[0109] It can be understood that in this embodiment, data such as vehicle network communication, electrical parameters and temperature changes are included in the monitoring indicators of the charging anti-interference test of the vehicle to be tested. Network communication monitoring, current monitoring and temperature monitoring are carried out simultaneously, which can detect abnormal vehicle conditions that cannot be observed subjectively, making the test evaluation more accurate, and providing a basis for locating problems in the vehicle to be tested, avoiding the situation where abnormal phenomena that occurred during the test process can only be verified one by one through the elimination method after the anti-interference test is completed, thereby improving the efficiency of problem troubleshooting, increasing the rate of locating problem parts, reducing the cost and tediousness of problem troubleshooting, and improving the accuracy and efficiency of test evaluation.

[0110] Compared with the monitoring method of vehicle charging anti-disturbance test provided by an embodiment of the present application, Figure 1 The monitoring method for the vehicle charging anti-interference test shown in the embodiment can also obtain the instrument screen data of the vehicle to be tested, and obtain the charging progress bar status of the vehicle to be tested according to the instrument screen data, and determine the charging status of the vehicle to be tested according to the charging progress bar status, and determine the charging anti-interference test result corresponding to the vehicle to be tested according to the interference state, abnormal current state, thermal runaway state and charging state, so as to monitor, record and replay the network communication status of the vehicle to be tested, abnormal charging current, temperature change of the power battery and charging status of the power battery in real time during the charging anti-interference test of the vehicle to be tested, thereby improving the accuracy of the evaluation of the vehicle charging anti-interference test results.

[0111] See also Figure 7 , Figure 7 The module block diagram of the monitoring device for vehicle charging anti-interference test provided by an embodiment of the present application is shown. The monitoring device 200 for vehicle charging anti-interference test is applied to the above electronic device. Figure 7 The process shown is described in detail. The monitoring device 200 for the vehicle charging anti-disturbance test includes: a charging anti-disturbance test module 210, a network communication monitoring module 220, a charging current monitoring module 230, a battery temperature monitoring module 240 and a charging anti-disturbance test evaluation module 250, wherein:

[0112] The charging anti-interference test module 210 is used to perform a charging anti-interference test on the vehicle under test when the vehicle under test is in an environment with a preset electromagnetic interference intensity.

[0113] The network communication monitoring module 220 is used to obtain the network communication signal of the vehicle under test and determine the interference state of the vehicle under test according to the network communication signal.

[0114] A charging current monitoring module 230 is used to obtain charging current parameters corresponding to the vehicle under test, and determine the current abnormal state corresponding to the vehicle under test according to the charging current parameters;

[0115] The battery temperature monitoring module 240 is used to obtain the surface temperature of the power battery of the vehicle to be tested, and determine the thermal runaway state of the power battery according to the surface temperature of the power battery.

[0116] The charging anti-disturbance test evaluation module 250 is used to determine the charging anti-disturbance test result corresponding to the vehicle to be tested according to the disturbed state, the abnormal current state and the thermal runaway state.

[0117] Further, the charging current monitoring module 230 may include: a first current value acquisition unit, a second current value acquisition unit and a charging current monitoring sub-unit, wherein:

[0118] The first current value acquisition unit is used to acquire the current at the input end of the power battery of the vehicle to be tested as the first current value.

[0119] The second current value acquisition unit is used to acquire the current of the output end of the charging device corresponding to the vehicle to be tested as the second current and as the second difference.

[0120] The charging current monitoring subunit is used to determine the abnormal current state according to the first current value and the second current value.

[0121] Further, the charging current monitoring subunit may include: a charging current monitoring first unit and a charging current monitoring second unit, wherein:

[0122] The first charging current monitoring unit is used to determine that the charging current of the vehicle under test is abnormal if the first current value is not within a preset charging current range, and determine that the current abnormal position corresponding to the vehicle under test is the charging receiving device of the vehicle under test.

[0123] The second charging current monitoring unit is used to determine that the charging current of the vehicle to be tested is abnormal if the second current value is not within a preset charging current range, and to determine that the current abnormal position corresponding to the vehicle to be tested is the charging device.

[0124] Furthermore, the network communication monitoring module 220 may include: a communication fault code acquisition unit and a network communication monitoring subunit, wherein:

[0125] The communication fault code acquisition unit is used to acquire the communication fault code corresponding to the bus of the vehicle to be tested according to the network communication signal.

[0126] The network communication monitoring subunit is used to determine the interference state of the vehicle to be tested according to the communication fault code.

[0127] Furthermore, the battery temperature monitoring module 240 may include: a temperature field cloud map generating unit and a battery temperature monitoring subunit, wherein:

[0128] The temperature field cloud map generating unit is used to generate a temperature field cloud map corresponding to the power battery according to the temperature of the surface of the power battery, wherein the temperature field cloud map is used to characterize the temperature of each position on the surface of the power battery.

[0129] The battery temperature monitoring subunit is used to determine the thermal runaway state according to the temperature field cloud map and a preset temperature.

[0130] Further, after determining the thermal runaway state according to the temperature field cloud map and the preset temperature, the monitoring device 200 for the vehicle charging anti-disturbance test may further include: a runaway temperature determination unit and a battery temperature abnormality positioning unit, wherein:

[0131] The runaway temperature determination unit is used to obtain a target temperature in the temperature field cloud map whose temperature is greater than the preset temperature if it is determined that the power battery has thermal runaway according to the thermal runaway state.

[0132] The battery temperature abnormality positioning unit is used to determine the position corresponding to the target temperature from various positions on the surface of the power battery, and determine the position of the power battery temperature abnormality according to the position corresponding to the target temperature.

[0133] Furthermore, the charging anti-disturbance test evaluation module 250 may include: a charging progress bar state acquisition unit, a charging state determination unit, and a charging anti-disturbance test evaluation sub-unit, wherein:

[0134] The charging progress bar status acquisition unit is used to acquire the instrument screen data of the vehicle to be tested, and acquire the charging progress bar status of the vehicle to be tested according to the instrument screen data.

[0135] A charging status determination unit is used to determine the charging status of the vehicle to be tested according to the status of the charging progress bar.

[0136] The charging anti-disturbance test evaluation subunit is used to determine the charging anti-disturbance test result corresponding to the vehicle to be tested according to the disturbed state, the abnormal current state, the thermal runaway state and the charging state.

[0137] Furthermore, the charging anti-interference test evaluation subunit may include: a test pass determination unit, wherein:

[0138] The test pass determination unit is used to determine that the vehicle under test has passed the charging anti-disturbance test if it is determined that the network communication of the vehicle under test has not failed according to the disturbed state, that the charging current of the vehicle under test has not been abnormal according to the abnormal current state, that the power battery has not experienced thermal runaway according to the thermal runaway state, and that the charging function of the vehicle under test has not failed according to the charging state.

[0139] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described devices and modules can refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here.

[0140] In several embodiments provided in the present application, the coupling between modules may be electrical, mechanical or other forms of coupling.

[0141] In addition, each functional module in each embodiment of the present application can be integrated into a processing module, or each module can exist physically separately, or two or more modules can be integrated into one module. The above integrated modules can be implemented in the form of hardware or software functional modules.

[0142] See also Figure 8 , which shows a structural block diagram of an electronic device 100 provided in an embodiment of the present application. The electronic device 100 may be an electronic device with processing capabilities, such as a vehicle, a tablet computer, a robot, etc. The electronic device 100 in the present application may include one or more of the following components: a processor 110, a memory 120, and one or more applications, wherein the one or more applications may be stored in the memory 120 and configured to be executed by one or more processors 110, and the one or more programs are configured to execute the method described in the aforementioned method embodiment.

[0143] Among them, the processor 110 may include one or more processing cores. The processor 110 uses various interfaces and lines to connect various parts of the entire electronic device 100, and executes various functions and processes data of the electronic device 100 by running or executing instructions, programs, code sets or instruction sets stored in the memory 120, and calling data stored in the memory 120. Optionally, the processor 110 can be implemented in at least one hardware form of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), and programmable logic array (Programmable Logic Array, PLA). The processor 110 can integrate one or a combination of a central processing unit (Central Processing Unit, CPU), a graphics processing unit (Graphics Processing Unit, GPU) and a modem. Among them, the CPU mainly processes the operating system, user interface and application programs; the GPU is responsible for rendering and drawing the content to be displayed; and the modem is used to process wireless communications. It can be understood that the above-mentioned modem may not be integrated into the processor 110, but may be implemented separately through a communication chip.

[0144] The memory 120 may include a random access memory (RAM) or a read-only memory (ROM). The memory 120 may be used to store instructions, programs, codes, code sets or instruction sets. The memory 120 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playback function, an image playback function, etc.), instructions for implementing the following various method embodiments, etc. The data storage area may also store data (such as a phone book, audio and video data, chat record data) created by the electronic device 100 during use.

[0145] See also Fig. 9 , which shows a structural block diagram of a computer-readable storage medium provided in an embodiment of the present application. The computer-readable medium 300 stores program codes, which can be called by a processor to execute the method described in the above method embodiment.

[0146] The computer readable storage medium 300 can be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read-only memory), an EPROM, a hard disk, or a ROM. Optionally, the computer readable storage medium 300 includes a non-transitory computer-readable storage medium. The computer readable storage medium 300 has storage space for program code 310 that performs any method steps in the above method. These program codes can be read from or written to one or more computer program products. The program code 310 can be compressed, for example, in an appropriate form.

[0147] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A monitoring method for vehicle charging anti-disturbance test, characterized in that: The method comprises: When the vehicle to be tested is in an environment with a preset electromagnetic interference intensity, performing a charging anti-interference test on the vehicle to be tested; Acquiring a network communication signal of the vehicle to be tested, and determining an interference state of the vehicle to be tested according to the network communication signal; Acquiring a charging current parameter corresponding to the vehicle to be tested, and determining a current abnormality state corresponding to the vehicle to be tested according to the charging current parameter; Acquiring a surface temperature of a power battery of the vehicle to be tested, and determining a thermal runaway state of the power battery according to the surface temperature of the power battery; A charging anti-disturbance test result corresponding to the vehicle to be tested is determined according to the disturbed state, the abnormal current state and the thermal runaway state.

2. The method according to claim 1, characterized in that The obtaining of charging current parameters corresponding to the vehicle to be tested, and determining the abnormal current state corresponding to the vehicle to be tested according to the charging current parameters, includes: Acquiring a current at an input terminal of a power battery of the vehicle to be tested as a first current value; Acquire the current at the output end of the charging device corresponding to the vehicle to be tested as a second current value; The abnormal current state is determined according to the first current value and the second current value.

3. The method according to claim 2, characterized in that The determining the abnormal current state according to the first current value and the second current value includes: If the first current value is not within a preset charging current range, determining that the charging current of the vehicle to be tested is abnormal, and determining that the current abnormal position corresponding to the vehicle to be tested is a charging receiving device of the vehicle to be tested; and / or If the second current value is not within the preset charging current range, it is determined that the charging current of the vehicle to be tested is abnormal, and the current abnormal position corresponding to the vehicle to be tested is determined to be the charging device.

4. The method according to claim 1, characterized in that: The determining the interference state of the vehicle to be tested according to the network communication signal includes: Acquire a communication fault code corresponding to the bus of the vehicle to be tested according to the network communication signal; The interference state of the vehicle to be tested is determined according to the communication fault code.

5. The method according to claim 1, characterized in that The determining the thermal runaway state of the power battery according to the surface temperature of the power battery includes: Generating a temperature field cloud map corresponding to the power battery according to the temperature of the surface of the power battery, wherein the temperature field cloud map is used to characterize the temperature of each position on the surface of the power battery; The thermal runaway state is determined according to the temperature field cloud map and a preset temperature.

6. The method according to claim 5, characterized in that After determining the thermal runaway state according to the temperature field cloud map and the preset temperature, the method further includes: If it is determined according to the thermal runaway state that the power battery has thermal runaway, obtaining a target temperature in the temperature field cloud map whose temperature is greater than the preset temperature; The position corresponding to the target temperature is determined from various positions on the surface of the power battery, and the position of the power battery temperature abnormality is determined according to the position corresponding to the target temperature.

7. The method according to any one of claims 1 to 6, characterized in that: The determining, according to the disturbed state, the abnormal current state, and the thermal runaway state, a charging anti-disturbance test result corresponding to the vehicle to be tested includes: Acquire instrument screen data of the vehicle to be tested, and acquire the charging progress bar status of the vehicle to be tested according to the instrument screen data; Determining the charging state of the vehicle to be tested according to the state of the charging progress bar; A charging anti-disturbance test result corresponding to the vehicle to be tested is determined according to the disturbed state, the abnormal current state, the thermal runaway state and the charging state.

8. The method according to claim 7, characterized in that The determining, according to the disturbed state, the abnormal current state, the thermal runaway state, and the charging state, a charging anti-disturbance test result corresponding to the vehicle to be tested includes: If it is determined according to the disturbed state that the network communication of the vehicle under test has not failed, if it is determined according to the abnormal current state that the charging current of the vehicle under test has not been abnormal, if it is determined according to the thermal runaway state that the power battery has not experienced thermal runaway, and if it is determined according to the charging state that the charging function of the vehicle under test has not failed, then it is determined that the vehicle under test has passed the charging anti-disturbance test.

9. A monitoring device for vehicle charging anti-interference test, characterized in that: The device comprises: A charging anti-interference test module, used to perform a charging anti-interference test on the vehicle under test when the vehicle under test is in an environment with a preset electromagnetic interference intensity; A network communication monitoring module, used to obtain a network communication signal of the vehicle to be tested, and determine the interference state of the vehicle to be tested according to the network communication signal; A charging current monitoring module, used to obtain charging current parameters corresponding to the vehicle under test, and determine the current abnormal state corresponding to the vehicle under test according to the charging current parameters; A battery temperature monitoring module, used to obtain the surface temperature of the power battery of the vehicle to be tested, and determine the thermal runaway state of the power battery according to the surface temperature of the power battery; The charging anti-disturbance test evaluation module is used to determine the charging anti-disturbance test result corresponding to the vehicle to be tested according to the disturbed state, the abnormal current state and the thermal runaway state.

10. An electronic device, characterized in that: include: one or more processors; Memory; One or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the one or more processors, and the one or more programs are configured to execute the method according to any one of claims 1-8.

11. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores program codes, which can be called by a processor to execute the method according to any one of claims 1 to 8.

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