New energy vehicle operation safety detection system and charging detection method

Abstract

The present application relates to a kind of new energy vehicle operation safety detection system and charging detection method, it is related to new energy vehicle detection technical field, solve the technical problem of small use range of new energy vehicle operation safety detection equipment in prior art.The new energy vehicle operation safety detection system includes: solar module, battery module, inverter, charging module, control system, direct current charging gun, communication module, charging detection module, display module and 220V power module.The new energy vehicle operation safety detection system of the present application uses high-power battery pack as power supply, and can detect the safety of power storage battery, drive motor, electric control system and electrical safety of new energy vehicle, compared with the prior art using 380v industrial power grid as power supply, since there is no grid restriction, increase the use range and flexibility of new energy vehicle operation safety detection equipment.

Description

Technical Field

[0001] This invention relates to the field of new energy vehicle testing technology, and in particular to a new energy vehicle operation safety testing system and charging testing method. Background Technology

[0002] With increasing global awareness of environmental protection and the urgent need for energy transition, new energy vehicles, as an important direction for future transportation development, have seen their market share rise year by year. With their low emissions and low energy consumption, new energy vehicles are gradually becoming an important alternative to traditional fuel vehicles. However, with the popularization of new energy vehicles and the frequent occurrence of accidents such as fires and loss of control, the operational safety of new energy vehicles has received widespread attention.

[0003] The safety performance testing of new energy vehicles includes testing for power battery safety, drive motor safety, electronic control system safety, and electrical safety. The national standard GB / T44500—2024, "Test Procedure for the Operational Safety Performance of New Energy Vehicles," is the only testing standard for new energy vehicles in my country. It clearly stipulates the testing equipment and requirements for power battery safety, drive motor safety, electronic control system safety, and electrical safety. Specifically, the charging safety testing equipment for power batteries should meet the requirement of "maximum DC charging power greater than or equal to 60kW"; the power battery safety (charging) test should meet the requirement of "continuous charging time not less than 180 seconds." That is, during the charging safety test of the power battery, charging equipment with a DC charging power greater than or equal to 60kW should be used for a short charging time.

[0004] Currently, the mainstream technology for power battery charging safety testing equipment on the market involves installing testing devices inside or outside high-power charging piles. For example, patent CN114137428A describes a technology that connects a portable power battery safety testing device in series with the charging pile. The main structure of a charging pile includes: a 380V industrial power supply, a three-phase smart meter, a charging module, a switching power supply, a communication module, a card reader module, a touchscreen, a controller, and a DC insulation testing module. Because it requires access to 380V industrial power, high-power charging piles can only be installed in fixed locations. Since existing power battery charging safety testing equipment relies on high-power charging piles, this also limits the scope of application for new energy vehicle operation safety testing equipment, causing inconvenience for new energy vehicle operation safety testing. Summary of the Invention

[0005] This invention aims to address the technical problem of the limited application scope of existing new energy vehicle operation safety testing equipment, and provides a new energy vehicle operation safety testing system and charging testing method.

[0006] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows:

[0007] A new energy vehicle operation safety detection system includes: a solar module, a battery pack module, an inverter, a charging module, a control system, a DC charging gun, a communication module, a charging detection module, a display module, and a 220V power supply module;

[0008] The solar module is used to charge the battery module;

[0009] The battery module provides power to the inverter, control system, communication module, charging detection module, and display module.

[0010] Inverters are used to convert the direct current (DC) output from the battery module into alternating current (AC).

[0011] The charging module is used to convert the AC power output from the inverter into DC power to charge the vehicle's power battery.

[0012] The control system is used to control the operation of the solar module, battery pack module, inverter, charging module, communication module, charging detection module, display module, and 220V power supply module.

[0013] The DC charging gun is used to connect to the vehicle's DC charging socket interface;

[0014] The communication module is used to enable communication between the control system and the charging module, as well as communication between the control system and the vehicle's battery management system (BMS).

[0015] The charging detection module is used to read the charging parameters of the vehicle's power battery;

[0016] The display module is used to display the test data; the 220V power supply module is used to charge the battery pack module.

[0017] The battery pack module contains multiple parallel series battery packs, and each series battery pack contains multiple series lithium batteries.

[0018] In the above technical solution, the solar module is connected to the battery pack module; the battery pack module is connected to the inverter and the 220V power supply module respectively; the inverter is connected to the charging module; the charging module is connected to the DC charging gun; and the DC charging gun is connected to the communication module and the charging detection module respectively. The control system is connected to the solar module, battery pack module, inverter, charging module, communication module, charging detection module, display module and 220V power supply module respectively; The detection system also includes: a switching power supply module;

[0019] The switching power supply module is connected to the solar module, battery pack module, inverter, charging module, communication module, charging detection module, display module, and 220V power supply module.

[0020] The switching power supply module is used to convert the AC power output from the inverter into DC power of different voltages, providing power to solar modules, battery pack modules, charging modules, communication modules, charging detection modules, display modules, and 220V power supply modules.

[0021] In the above technical solution, the detection system also includes: an electrical detection module, an OBD reading module, an electrical detection port, a host, and a cloud server;

[0022] The electrical detection module, OBD reading module, and host are connected to the control system; the host is connected to the cloud server; the OBD reading module is also connected to the electrical detection port.

[0023] The electrical testing module is used to measure the insulation resistance of the DC charging dock interface, the insulation resistance of the AC charging dock interface, the potential balance between conductive components and the electrical platform, and the potential balance between conductive components, and uploads the test data to the host.

[0024] The OBD reading module is used to read the maximum temperature of the power battery, the minimum voltage of a single battery cell, the temperature of the drive motor, the temperature of the motor controller, and the temperature of the DC / DC converter, and upload the measured values ​​to the host.

[0025] The electrical test port is used to connect to the phase wire terminal of the vehicle's AC charging dock interface and the door frame;

[0026] The host is used to analyze, store, and upload detection information;

[0027] The cloud server is used to store and download the detection information.

[0028] In the above technical solution, the switching power supply module consists of multiple switching power supplies.

[0029] In the above technical solution, the 220V power module consists of a 220V power socket and a power regulating device.

[0030] In the above technical solution, the charging detection module is a CAN reading device.

[0031] In the above technical solution, the control system includes: a solar energy management system, a battery pack management system, a charging management system, a detection management system, and an operation management system. The solar energy management system monitors the output voltage of the solar modules; the battery pack management system monitors the SOC, voltage, current, and temperature data of the battery pack modules; the charging management system monitors the output voltage and current of the charging modules; the detection management system manages the operation of the charging detection modules; and the operation management system manages the operation of the new energy vehicle operation safety detection system.

[0032] A charging test method for a new energy vehicle operation safety testing system, applicable to the aforementioned testing system, comprising the following steps:

[0033] Step 1: After starting the detection system, control the system to detect the SOC of the battery pack module;

[0034] Step 2: After the communication module obtains the vehicle's charging information, the charging module adjusts the charging voltage and current to charge the vehicle's power battery.

[0035] Step 3: When the vehicle is charging, the charging detection module reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage range of a single battery cell.

[0036] Step 4: Output the detection results; display the detection data in the display module.

[0037] A charging test method for a new energy vehicle operation safety testing system, applicable to the aforementioned testing system, comprising the following steps:

[0038] Step 1: After starting the detection system, control the system to detect the SOC of the battery pack module;

[0039] Step 2: The electrical testing module detects the insulation resistance of the vehicle's DC and AC charging dock interfaces and the vehicle's potential balance;

[0040] Step 3: After the communication module obtains the vehicle's charging information, the charging module adjusts the voltage and current to charge the vehicle's power battery.

[0041] Step 4: When the vehicle is charging, the charging detection module reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage range of a single battery cell.

[0042] Step 5: The OBD reading module checks the vehicle's power battery discharge safety, drive motor safety, and electronic control system safety;

[0043] Step 6: Output test results; The host summarizes the test data and test results, generates a test report, and uploads it to the cloud server.

[0044] The present invention has the following beneficial effects:

[0045] The new energy vehicle operation safety testing system of the present invention uses a high-power battery pack as a power source, and can detect the safety of the power battery, drive motor, electronic control system and electrical safety of new energy vehicles. Compared with the existing technology that uses a 380V industrial power grid as a power source, the absence of power grid limitations increases the scope of application and flexibility of the new energy vehicle operation safety testing equipment.

[0046] The new energy vehicle operation safety detection system of the present invention is equipped with a solar module and uses solar charging to achieve energy saving and environmental protection.

[0047] The new energy vehicle operation safety detection system of the present invention uses a single control mode and display module for all modules, whereas in the prior art, charging piles and detection devices each have their own control system. The present invention reduces the number of control systems and saves the cost of new energy vehicle operation safety detection equipment.

[0048] The new energy vehicle operation safety detection system of the present invention only requires a short charging time and does not require a smart meter and card reader module in the charging pile. Compared with the existing technology, it further saves the cost of new energy vehicle operation safety detection equipment. Attached Figure Description

[0049] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0050] Figure 1 This is a schematic diagram of the architecture of the new energy vehicle operation safety detection system of the present invention in Example 1.

[0051] Figure 2 This is a schematic diagram of the battery pack module in the new energy vehicle operation safety detection system of the present invention in Example 1.

[0052] Figure 3 This is a schematic diagram of the architecture of the control system in the new energy vehicle operation safety detection system of the present invention in Example 1.

[0053] Figure 4 This is a schematic diagram of the architecture of the new energy vehicle operation safety detection system of the present invention in Example 2.

[0054] Figure 5 This is a schematic diagram of the architecture of the new energy vehicle operation safety detection system of the present invention in Example 3.

[0055] The reference numerals in the figure are:

[0056] 111-Solar module; 112-Battery pack module; 113-Inverter; 114-Switching power supply module; 115-Charging module; 116-Control system; 117-DC charging gun; 118-Communication module; 119-Charging detection module; 120-Display module; 121-220V power supply module; 122-Electrical detection module; 123-OBD reading module; 124-Electrical detection port; 125-Host; 126-Cloud server; 10-Lithium battery; 11-Series battery pack;

[0057] 1161 - Solar energy management system; 1162 - Battery pack management system; 1163 - Charging management system; 1164 - Monitoring and management system; 1165 - Operation management system. Detailed Implementation

[0058] The new energy vehicle operation safety detection system of the present invention is powered by a battery pack, is not limited by the power grid, and can be installed on mobile devices such as automobiles to form a mobile new energy vehicle operation safety detection system.

[0059] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0060] Example 1

[0061] like Figure 1 As shown, the new energy vehicle operation safety detection system of the present invention includes: a solar module 111, a battery pack module 112, an inverter 113, a switching power supply module 114 (auxiliary power supply), a charging module 115, a control system 116, a DC charging gun 117, a communication module 118, a charging detection module 119, a display module 120, and a 220V power supply module 121.

[0062] The solar module 111 is connected to the battery module 112; the battery module 112 is connected to the inverter 113 and the 220V power module 121 respectively; the inverter 113 is connected to the switching power supply module 114 and the charging module 115 respectively; the charging module 115 is connected to the DC charging gun 117; the DC charging gun 117 is connected to the communication module 118 and the charging detection module 119 respectively.

[0063] The control system 116 is connected to the solar module 111, battery module 112, inverter 113, charging module 115, communication module 118, charging detection module 119, display module 120, and 220V power supply module 121, respectively.

[0064] The switching power supply module 114 is also connected to the solar module 111, battery pack module 112, inverter 113, charging module 115, communication module 118, charging detection module 119, display module 120, and 220V power supply module 121.

[0065] Solar module 111 is used to charge battery module 112, and a solar panel can be selected.

[0066] Battery module 112 is used to provide power to the system and its various modules;

[0067] like Figure 2 As shown, the battery pack module 112 consists of ten series-connected battery packs 11 connected in parallel. Each series-connected battery pack 11 consists of twenty-two lithium batteries 10 connected in series. The nominal voltage of the lithium battery 10 is 48V and the discharge current is 10A. The battery pack module 112 can generate a voltage of 990V and a current of 100A, with a maximum charging power of 99kW.

[0068] Inverter 113 is used to convert the DC power output from battery module 112 into AC power;

[0069] The switching power supply module 114 is used to convert the AC power output by the inverter 113 into DC power of different voltages to provide power to each module. The switching power supply module 114 can be equipped with multiple switching power supplies.

[0070] The charging module 115 is used to convert the AC power output from the inverter 113 into DC power to charge the vehicle's power battery, and a DC power supply can be selected.

[0071] The control system 116 is used to control the solar module 111, battery pack module 112, inverter 113, charging module 115, communication module 118, charging detection module 119, display module 120, and 220V power supply module 121.

[0072] like Figure 3 As shown, the control system 116 includes a solar energy management system 1161, a battery pack management system 1162, a charging management system 1163, a detection management system 1164, and an operation management system 1165. Specifically, the solar energy management system 1161 monitors the output voltage of the solar module 111; the battery pack management system 1162 monitors the SOC, voltage, current, and temperature data of the battery pack module 112; the charging management system 1163 monitors the output voltage and current of the charging module 115; the detection management system 1164 manages the operation of the charging detection module 119; and the operation management system 1165 manages the operation of the new energy vehicle operation safety detection system.

[0073] The DC charging gun 117 is used to connect to the vehicle's DC charging socket interface.

[0074] The communication module 118 is used to realize communication between the control system 116 and the charging module 115, and to realize communication between the control system 116 and the vehicle's battery management system (BMS).

[0075] The charging detection module 119 is used to read the charging parameters of the vehicle's power battery, and a CAN reading device can be selected.

[0076] Display module 120 is used to display detection data.

[0077] The 220V power module 121 is used to charge the battery pack module 112. It can consist of a 220V power socket and a power regulator.

[0078] The charging safety testing of power batteries for new energy vehicles requires monitoring charging parameters during vehicle charging. National standards require that the charging safety testing equipment for power batteries have a charging power greater than or equal to 60kW. Therefore, this solution includes a battery module 112 with a maximum charging power of 99kW. However, since the charging voltage and current vary among different brands of new energy vehicles, the battery module 112 cannot be used directly to charge the vehicle. It is necessary to first read the required charging parameters from the communication module 118 and then adjust the corresponding charging parameters. The charging parameter adjustment method in this solution is as follows: first, the DC output from the battery module 112 is converted to AC power via an inverter 113, and then the DC charging parameters are converted and adjusted using the charging module 115. Only by ensuring a charging power greater than 60kW can the accuracy of the power battery charging safety testing data be guaranteed.

[0079] The charging detection method of the new energy vehicle operation safety detection system of the present invention is applicable to the above-mentioned... Figure 1 The detection system shown, and the charging detection method, include the following steps:

[0080] Step 1: After starting the detection system, the control system 116 detects the SOC of the battery pack module 112;

[0081] After the detection system is started, the control system 116 detects the SOC of the battery pack in the battery pack module 112. When the SOC of the battery pack is lower than the set threshold, the control system 116 first controls the solar module 111 to charge the battery pack module 112. When the solar module 111 cannot charge due to weather reasons, the control system 116 then starts the 220V power module 121 to charge until the SOC of the battery pack reaches the preset value.

[0082] Step 2: After the communication module 118 obtains the vehicle's charging information, the charging module 115 adjusts the charging voltage and current to charge the vehicle's power battery.

[0083] Once the battery pack's SOC reaches the preset value, the DC charging gun 117 is connected to the vehicle's DC charging socket interface. After the communication module 118 obtains the vehicle's charging information, the control system 116 adjusts the output voltage and current of the charging module 115 to charge the vehicle's power battery.

[0084] Step 3: When the vehicle is charging, the charging detection module 119 reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage range of a single battery cell.

[0085] During step 2, when the vehicle is charging, the control system 116 controls the charging detection module 119 to start, and reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage difference of a single battery cell through the S+ and S- ports built into the DC charging gun 117.

[0086] Step 4: Output the detection results;

[0087] After the test is completed, the test data is displayed on the display module 120.

[0088] Example 2

[0089] The difference between Example 2 and Example 1 is that the new energy vehicle operation safety detection system of the present invention does not include... Figure 1 Instead of the switching power supply module 114 shown, the 220V power supply module 121 is used directly to provide power to each module.

[0090] Specifically:

[0091] like Figure 4 As shown, the new energy vehicle operation safety detection system of the present invention includes: a solar module 111, a battery pack module 112, an inverter 113, a charging module 115, a control system 116, a DC charging gun 117, a communication module 118, a charging detection module 119, a display module 120, and a 220V power supply module 121.

[0092] The solar module 111 is connected to the battery module 112; the battery module 112 is connected to the inverter 113 and the 220V power module 121 respectively; the inverter 113 is connected to the charging module 115; the charging module 115 is connected to the DC charging gun 117; the DC charging gun 117 is connected to the communication module 118 and the charging detection module 119 respectively.

[0093] The control system 116 is connected to the solar module 111, battery module 112, inverter 113, charging module 115, communication module 118, charging detection module 119, display module 120, and 220V power supply module 121, respectively.

[0094] The 220V power module 121 is connected to the solar module 111, battery pack module 112, inverter 113, charging module 115, control system 116, communication module 118, charging detection module 119, and display module 120 respectively. The 220V power module 121 can be composed of a power socket and multiple power regulating devices.

[0095] Solar module 111 is used to charge battery module 112, and a solar panel can be selected.

[0096] Battery module 112 is used to provide power to the system and its various modules;

[0097] Inverter 113 is used to convert the DC power output from battery module 112 into AC power;

[0098] The charging module 115 is used to convert the AC power output from the inverter 113 into DC power to charge the vehicle's power battery, and a DC power supply can be selected.

[0099] The control system 116 is used to control the solar module 111, the battery pack module 112, the charging module 115, the charging detection module 119, and the 220V power supply module 121.

[0100] The DC charging gun 117 is used to connect to the vehicle's DC charging socket interface.

[0101] The communication module 118 is used to realize communication between the control system 116 and the charging module 115, and to realize communication between the control system 116 and the vehicle's battery management system (BMS).

[0102] The charging detection module 119 is used to read the charging parameters of the vehicle's power battery, and a CAN reading device can be selected.

[0103] Display module 120 is used to display detection data.

[0104] The 220V power module 121 is used to charge the battery pack module 112 and provide operating power to each module. It can consist of a 220V power socket and multiple power regulators.

[0105] Example 3

[0106] The difference between this embodiment and Embodiment 1 is that the new energy vehicle operation safety detection system of the present invention adds: an electrical detection module 122, an OBD reading module 123, an electrical detection port 124, a host 125, and a cloud server 126.

[0107] Specifically:

[0108] like Figure 5As shown, the new energy vehicle operation safety detection system of the present invention includes: a solar module 111, a battery pack module 112, an inverter 113, a switching power supply module 114, a charging module 115, a control system 116, a DC charging gun 117, a communication module 118, a charging detection module 119, a display module 120, a 220V power supply module 121, an electrical detection module 122, an OBD reading module 123, an electrical detection port 124, a host 125, and a cloud server 126.

[0109] The solar module 111 is connected to the battery module 112; the battery module 112 is connected to the inverter 113 and the 220V power module 121 respectively; the inverter 113 is connected to the switching power supply module 114 and the charging module 115 respectively; the charging module 115 is connected to the DC charging gun 117; the DC charging gun 117 is connected to the communication module 118 and the charging detection module 119 respectively.

[0110] The control system 116 is connected to the solar module 111, battery pack module 112, inverter 113, charging module 115, communication module 118, charging detection module 119, display module 120, 220V power supply module 121, electrical detection module 122, OBD reading module 123, and host 125. The OBD reading module 123 is also connected to the electrical detection port 124.

[0111] The switching power supply module 114 is connected to the solar module 111, battery pack module 112, inverter 113, charging module 115, communication module 118, charging detection module 119, display module 120, 220V power supply module 121, electrical detection module 122, OBD reading module 123, and host 125 respectively.

[0112] Solar module 111 is used to charge battery module 112, and a solar panel can be selected.

[0113] Battery module 112 is used to provide power to the system and its various modules;

[0114] Inverter 113 is used to convert the DC power output from battery module 112 into AC power;

[0115] The switching power supply module 114 is used to convert the AC power output by the inverter 113 into DC power of different voltages to provide power to each module. The switching power supply module 114 can be equipped with multiple switching power supplies.

[0116] The charging module 115 is used to convert the AC power output from the inverter 113 into DC power to charge the vehicle's power battery, and a DC power supply can be selected.

[0117] The control system 116 is used to control the solar module 111, battery pack module 112, charging module 115, charging detection module 119, electrical detection module 122, and OBD reading module 123.

[0118] The DC charging gun 117 is used to connect to the vehicle's DC charging socket interface.

[0119] The communication module 118 is used to realize communication between the control system 116 and the charging module 115, and to realize communication between the control system 116 and the vehicle's battery management system (BMS).

[0120] The charging detection module 119 is used to read the charging parameters of the vehicle's power battery, and a CAN reading device can be selected.

[0121] The 220V power module 121 is used to charge the battery pack module 112. It can consist of a 220V power socket and a power regulator.

[0122] The electrical testing module 122 is used to measure the insulation resistance and potential balance of a vehicle, and can be equipped with a multi-range automatic resistance measuring device.

[0123] The OBD reading module 123 is used to read the discharge parameters of the vehicle's power battery, and an OBD diagnostic terminal can be selected.

[0124] Electrical test port 124 is used to connect to the phase terminal of the vehicle's AC charging dock interface and the door frame.

[0125] Display module 120 is used to display the test results.

[0126] Host 125 is used to analyze, store, and upload detection information.

[0127] Cloud server 126 is used to store and download detection information.

[0128] The charging detection method of the new energy vehicle operation safety detection system of the present invention is applicable to the above-mentioned... Figure 5 The detection system shown, and the charging detection method, include the following steps:

[0129] Step 1: After starting the detection system, the control system 116 detects the SOC of the battery pack module 112;

[0130] After the detection system is started, the control system 116 detects the SOC of the battery pack in the battery pack module 112. When the SOC of the battery pack is lower than the set threshold, the control system 116 first controls the solar module 111 to charge the battery pack module 112. When the solar module 111 cannot charge due to weather conditions, the control system 116 then starts the 220V power module 121 to charge until the SOC of the battery pack reaches the preset value.

[0131] Step 2: The electrical testing module 122 detects the insulation resistance of the vehicle's DC and AC charging dock interfaces and the vehicle's potential balance;

[0132] The DC charging gun 117 is connected to the DC charging socket interface of the vehicle. Multiple detection terminals of the electrical detection port 124 are respectively connected to the phase wire terminal and the door frame of the AC charging socket interface of the vehicle. The control system 116 controls the electrical detection module 122 to measure the insulation resistance of the DC charging socket interface, the insulation resistance of the AC charging socket interface, the potential balance between the conductive parts and the electrical platform, and the potential balance between conductive parts. The detection data is then uploaded to the host 125, which determines whether the detection results are qualified based on the set threshold.

[0133] Step 3: After the communication module 118 obtains the vehicle's charging information, the charging module 115 adjusts the voltage and current to charge the vehicle's power battery.

[0134] Once the insulation resistance of the DC charging socket interface in step 2 is qualified, the electrical detection port 124 is unplugged. After the communication module 118 obtains the vehicle's charging information, the control system 116 adjusts the output voltage and current of the charging module 115 to charge the vehicle's power battery.

[0135] Step 4: When the vehicle is charging, the charging detection module 119 reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage range of a single battery cell.

[0136] During the execution of step 3, i.e. when the vehicle is charging, the control system 116 controls the charging detection module 119 to start, and reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage difference of a single battery cell through the S+ and S- ports built into the DC charging gun 117, and uploads the read data to the host 125. The host 125 judges whether the detection result is qualified according to the set threshold.

[0137] Step 5: The OBD reading module 123 checks the vehicle's power battery discharge safety, drive motor safety, and electronic control system safety;

[0138] Unplug the DC charging gun 117, connect the OBD reading module 123 to the vehicle's OBD interface, and drive the vehicle onto the chassis dynamometer. When the vehicle reaches the required speed and load, the control system 116 controls the OBD reading module 123 to read the highest temperature of the power battery, the lowest voltage of a single battery cell, the temperature of the drive motor, the temperature of the motor controller, and the temperature of the DC / DC converter, and uploads the measured values ​​to the host 125. The host 125 determines whether the test results are qualified based on the set threshold.

[0139] Step 6: Output the detection results;

[0140] Host 125 aggregates all test data and conclusions, generates the final test report, and uploads it to cloud server 126.

[0141] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A new energy vehicle operation safety detection system, characterized in that, include: Solar modules, battery pack modules, inverters, charging modules, control systems, DC charging guns, communication modules, charging detection modules, display modules, and 220V power supply modules; The solar module is used to charge the battery module; The battery module provides power to the inverter, control system, communication module, charging detection module, and display module. Inverters are used to convert the direct current (DC) output from the battery module into alternating current (AC). The charging module is used to convert the AC power output from the inverter into DC power to charge the vehicle's power battery. The control system is used to control the operation of the solar module, battery pack module, inverter, charging module, communication module, charging detection module, display module, and 220V power supply module. The DC charging gun is used to connect to the vehicle's DC charging socket interface; The communication module is used to enable communication between the control system and the charging module, as well as communication between the control system and the vehicle's battery management system (BMS). The charging detection module is used to read the charging parameters of the vehicle's power battery; The display module is used to display the detection data; The 220V power module is used to charge the battery pack module; The battery pack module contains multiple parallel series battery packs, and each series battery pack contains multiple series lithium batteries.

2. The new energy vehicle operation safety detection system according to claim 1, characterized in that, The solar module is connected to the battery pack module; the battery pack module is connected to the inverter and the 220V power supply module respectively; the inverter is connected to the charging module; the charging module is connected to the DC charging gun; the DC charging gun is connected to the communication module and the charging detection module respectively. The control system is connected to the solar module, battery pack module, inverter, charging module, communication module, charging detection module, display module and 220V power supply module respectively; The detection system also includes: a switching power supply module; The switching power supply module is connected to the solar module, battery pack module, inverter, charging module, communication module, charging detection module, display module, and 220V power supply module. The switching power supply module is used to convert the AC power output from the inverter into DC power of different voltages, providing power to solar modules, battery pack modules, charging modules, communication modules, charging detection modules, display modules, and 220V power supply modules.

3. The new energy vehicle operation safety detection system according to claim 1, characterized in that, The testing system also includes: an electrical testing module, an OBD reading module, an electrical testing port, a host computer, and a cloud server; The electrical detection module, OBD reading module, and host are connected to the control system; the host is connected to the cloud server; the OBD reading module is also connected to the electrical detection port. The electrical testing module is used to measure the insulation resistance of the DC charging dock interface, the insulation resistance of the AC charging dock interface, the potential balance between conductive components and the electrical platform, and the potential balance between conductive components, and uploads the test data to the host. The OBD reading module is used to read the maximum temperature of the power battery, the minimum voltage of a single battery cell, the temperature of the drive motor, the temperature of the motor controller, and the temperature of the DC / DC converter, and upload the measured values ​​to the host. The electrical test port is used to connect to the phase wire terminal of the vehicle's AC charging dock interface and the door frame; The host is used to analyze, store, and upload detection information; The cloud server is used to store and download the detection information.

4. The new energy vehicle operation safety detection system according to claim 2, characterized in that, The switching power supply module consists of multiple switching power supplies.

5. The new energy vehicle operation safety detection system according to any one of claims 1-3, characterized in that, The 220V power module consists of a 220V power socket and a power regulating device.

6. The new energy vehicle operation safety detection system according to any one of claims 1-3, characterized in that, The charging detection module is a CAN reader.

7. The new energy vehicle operation safety detection system according to any one of claims 1-3, characterized in that, The control system includes: a solar energy management system, a battery pack management system, a charging management system, a detection management system, and an operation management system. The solar energy management system monitors the output voltage of the solar modules; the battery pack management system monitors the SOC, voltage, current, and temperature data of the battery pack modules; the charging management system monitors the output voltage and current of the charging modules; the detection management system manages the operation of the charging detection modules; and the operation management system manages the operation of the new energy vehicle operation safety detection system.

8. A charging detection method for a new energy vehicle operation safety detection system, applicable to the detection system described in claim 1 or 2, characterized in that, The charging detection method includes the following steps: Step 1: After starting the detection system, control the system to detect the SOC of the battery pack module; Step 2: After the communication module obtains the vehicle's charging information, the charging module adjusts the charging voltage and current to charge the vehicle's power battery. Step 3: When the vehicle is charging, the charging detection module reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage range of a single battery cell. Step 4: Output the detection results; display the detection data in the display module.

9. A charging detection method for a new energy vehicle operation safety detection system, applicable to the detection system described in claim 3, characterized in that, The charging detection method includes the following steps: Step 1: After starting the detection system, control the system to detect the SOC of the battery pack module; Step 2: The electrical testing module detects the insulation resistance of the vehicle's DC and AC charging dock interfaces and the vehicle's potential balance; Step 3: After the communication module obtains the vehicle's charging information, the charging module adjusts the voltage and current to charge the vehicle's power battery. Step 4: When the vehicle is charging, the charging detection module reads the highest temperature of the power battery, the highest voltage of a single battery cell, and the voltage range of a single battery cell. Step 5: The OBD reading module checks the vehicle's power battery discharge safety, drive motor safety, and electronic control system safety; Step 6: Output test results; The host summarizes the test data and test results, generates a test report, and uploads it to the cloud server.

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