New energy automobile fault detection system

Abstract

The invention relates to a new energy automobile fault detection system, which comprises an operation platform and an all-in-one machine, and is characterized in that the operation platform comprises an interconnection monitoring module, a fault setting module and a fault detection module; the interconnection monitoring module is used for carrying out vehicle lossless interconnection data real-time monitoring, system diagnosis and whole system fault content reading on an automobile system; the interconnection monitoring module is connected with the all-in-one machine so as to display fault content, a vehicle circuit diagram and a maintenance manual through the all-in-one machine; the fault setting module is used for being connected in series between the interconnection monitoring module and a vehicle circuit under the condition that the vehicle circuit of the vehicle system is not damaged so as to simulate various phenomena when the vehicle system breaks down; the fault detection module is provided with a vehicle plug profile diagram and a plurality of data measurement holes formed in the vehicle plug profile diagram; the fault detection module outputs vehicle lossless interconnection data monitored by the interconnection monitoring module through a plurality of data measurement holes, or the fault setting module simulates data when an automobile system breaks down.

Description

Technical Field

[0001] The present application relates to the technical field of automobile fault detection, and in particular to a new energy automobile fault detection system. Background Art

[0002] The maintenance of new energy vehicles mainly covers the repair and maintenance of key components such as power batteries, motors, and electronic controls. It also requires knowledge of high-voltage safety and vehicle control technology. Despite this, the field of new energy vehicle maintenance is facing the challenge of a shortage of professional talent. Many technicians engaged in traditional vehicle maintenance do not yet have the professional skills to repair new energy vehicles, which has led to the supply of new energy vehicle maintenance services in the market failing to meet the growing demand.

[0003] At present, schools with new energy vehicle maintenance majors are important places for nurturing professional talents in the field of new energy vehicle maintenance. However, in the education of new energy vehicle maintenance majors, a large number of automobile failure training operations are needed to improve students' professional skills. But if a large number of automobile failures are required, many faulty vehicles are often required. The purchase, storage and transportation of these faulty vehicles consume a lot of costs, resulting in the inability of new energy vehicle maintenance majors to improve students' professional skills at a low cost. Summary of the invention

[0004] Based on this, the purpose of this application is to provide a new energy vehicle fault detection system that can overcome the shortcomings of the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted in this application is:

[0006] A new energy vehicle fault detection system comprises: an operating platform and an all-in-one machine, wherein the operating platform comprises an interconnection monitoring module, a fault setting module and a fault detection module;

[0007] The interconnection monitoring module is used to perform real-time monitoring of vehicle lossless interconnection data, system diagnosis, and reading of system-wide fault content on the automobile system; the interconnection monitoring module is connected to the all-in-one machine to display fault content, vehicle circuit diagrams, and maintenance manuals through the all-in-one machine;

[0008] The fault setting module is used to be connected in series between the interconnection monitoring module and the vehicle circuit without damaging the vehicle circuit of the automobile system, so as to simulate various phenomena when a fault occurs in the automobile system;

[0009] The fault detection module is provided with a vehicle plug outline diagram and a plurality of data measurement holes arranged on the vehicle plug outline diagram; the fault detection module outputs the vehicle lossless interconnection data monitored by the interconnection monitoring module or the data when the fault setting module simulates a fault in the automobile system through the plurality of data measurement holes.

[0010] As an embodiment, the fault detection module also includes a multimeter and / or an oscilloscope, and the multimeter and / or the oscilloscope are used to connect multiple data measurement holes of the fault detection module to display voltage, resistance, frequency or waveform signals in real time according to the electrical signals output by the data measurement holes.

[0011] As an implementation mode, the fault setting area includes a fault setting circuit and a U-shaped plug-in, the number of circuits of the fault setting circuit is greater than or equal to 300, the number of the U-shaped plug-ins is greater than or equal to 300, and the U-shaped plug-in is used to switch the circuit connection state of the fault setting circuit to set a circuit fault.

[0012] As an implementation mode, the fault types of the circuit fault include open circuit, short circuit, virtual connection and cross fault; the circuit fault includes the integrated intelligent controller system, battery pack system, battery thermal management system, AC / DC charging system, left body controller, right body controller, intelligent power brake controller system, smart key system, door lock system, window lifting system, lighting system, horn system, air conditioning system, wiper and washing system, electric seat system, and electric rearview mirror system of the automobile system.

[0013] As an implementation method, the all-in-one machine is equipped with an intelligent information-based lossless interconnection teaching platform for vehicle data. The intelligent information-based lossless interconnection teaching platform for vehicle data performs real-time monitoring of vehicle lossless interconnection data, system diagnosis, automatic scanning of the entire system, reading of faults in the entire system and display of fault content, one-click fault clearing, reading of system version information, fault code reading, fault code clearing, and data stream reading on the automobile system through the interconnection monitoring module to fully present the real-time working status of each system when the vehicle is working.

[0014] As an implementation method, the intelligent information-based lossless interconnection teaching platform for vehicle data is also used to generate technical reports based on system version information and data stream reading, and to save static or dynamic data of the automobile system in real time. The saved data and technical reports are saved, printed, edited, and analyzed in the form of Excel documents.

[0015] As an implementation mode, the operation platform is provided with an operation and measurement area, which is used to place equipment data. The equipment data placed in the operation and measurement area includes a multimeter, an oscilloscope, a fault diagnosis instrument, maintenance data and teaching materials; the operation and measurement area is equipped with a keyboard and a mouse connected to the all-in-one machine, and the keyboard and the mouse are used to interact with the all-in-one machine to realize the use of the intelligent information vehicle data lossless interconnection teaching platform, the query of maintenance data, and the playback of teaching courseware.

[0016] As an embodiment, the operating platform is provided with a parts storage area, which includes a plurality of drawers, each of which is equipped with a plurality of storage boxes for storing a keyboard, a mouse, a U-shaped connector, and a universal junction box that meets the needs of automotive connector leads and is equipped with various types of probes, connectors, wiring, various fuses, automotive relays, and contact fault relays; the specifications of the various fuses include 5A, 10A, 15A, 20A, and 30A.

[0017] As an implementation method, the intelligent information-based vehicle data lossless interconnection teaching platform is used to perform vehicle diagnosis and data reading based on the vehicle power domain controller TI, battery management system, battery pack data, front drive motor controller (FMCU) (all-in-one), OBC (on-board charger) (all-in-one), DC-DC assembly, electric drive charging module (all-in-one), air-conditioning compressor, auxiliary heating, airbags, electro-hydraulic brakes, safety systems, rear body domain control unit A-B1, left body domain control unit A-L2, right body domain controller R2 (heat pump), steering column electric power steering (CEPS), combination switch, combination instrument motor control unit (MCU), combination instrument, shift control mechanism panel assembly, intelligent entry control unit, high-frequency receiving module, multimedia system-Android, steering wheel switch, and display bracket assembly.

[0018] As an implementation method, the intelligent information-based lossless interconnection teaching platform for whole vehicle data is remotely connected to multiple clients, and the multiple clients display interactive windows corresponding to the intelligent information-based lossless interconnection teaching platform for whole vehicle data. When users need technical support or teaching exchanges and discussions, technical support professionals perform actual operations through this window; technical support personnel view the user's operational ideas and steps for detecting faults through the interactive window and provide real-time guidance.

[0019] Compared with the traditional technology, the beneficial effects of this application are:

[0020] The present application uses an interconnection monitoring module to perform real-time monitoring of vehicle lossless interconnection data, system diagnosis, and full-system fault content reading of the automobile system, and displays the fault content, vehicle circuit diagram, and maintenance manual through an all-in-one machine. The fault setting module can also be connected in series between the interconnection monitoring module and the vehicle circuit without destroying the vehicle circuit of the automobile system to simulate various phenomena when the automobile system fails. Then, through the vehicle plug outline of the fault detection module and multiple data measurement holes set on the vehicle plug outline, the vehicle lossless interconnection data monitored by the interconnection monitoring module or the data when the automobile system fails simulated by the fault setting module is output, so that the user can judge which part of the vehicle system has a fault abnormality based on the data output by the data measurement hole according to the correspondence between the vehicle plug outline and the data measurement hole, so that students can detect and learn about different faults, which is conducive to improving students' basic ability to diagnose and eliminate simple faults of new energy vehicles, the ability to use common tools and professional testing instruments for new energy vehicles, and the ability to operate high-voltage power on and off, and can improve students' professional skills at a low cost.

[0021] For better understanding and implementation, the present application is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of a new energy vehicle fault detection system according to an embodiment of the present application;

[0023] Figure 2 A side view of an operating platform of a new energy vehicle fault detection system according to an embodiment of the present application;

[0024] Figure 3 A schematic diagram of a vehicle plug outline and multiple data measurement holes of a fault detection module of a new energy vehicle fault detection system according to an embodiment of the present application.

[0025] 100. Operation platform; 300. All-in-one machine. DETAILED DESCRIPTION

[0026] In order to make the objectives, technical solutions and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0027] It should be clear that the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the embodiments of the present application.

[0028] When the following description relates to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. The singular forms of "a", "said" and "the" used in the present application and the appended claims are also intended to include the majority form, unless the context clearly indicates other meanings. The words "if" / "if" used herein can be interpreted as "at the time of" or "when" or "in response to determination".

[0029] In addition, in the description of this application, unless otherwise specified, "plurality" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects are in an "or" relationship.

[0030] See also Figure 1-2 The new energy vehicle fault detection system of the present application includes: an operating platform 100 and an all-in-one machine 300, Figure 1 is a three-dimensional schematic diagram of an operating platform 100 and an integrated machine 300 of a new energy vehicle fault detection system of the present application, Figure 2 1 is a side schematic diagram of the operating platform 100 .

[0031] The operating platform 100 includes an interconnection monitoring module, a fault setting module and a fault detection module;

[0032] The interconnection monitoring module is used to perform real-time monitoring of vehicle lossless interconnection data, system diagnosis, and reading of system-wide fault content of the automobile system; the interconnection monitoring module is connected to the integrated machine 300 to display fault content, vehicle circuit diagrams, and maintenance manuals through the integrated machine 300;

[0033] The fault setting module is used to be connected in series between the interconnection monitoring module and the vehicle circuit without damaging the vehicle circuit of the automobile system, so as to simulate various phenomena when a fault occurs in the automobile system.

[0034] See also Figure 3 The fault detection module is provided with a vehicle plug outline diagram and a plurality of data measurement holes arranged on the vehicle plug outline diagram; the fault detection module outputs the vehicle lossless interconnection data monitored by the interconnection monitoring module or the data when the fault setting module simulates a fault in the automobile system through the plurality of data measurement holes.

[0035] The all-in-one machine 300 is a 43-inch LCD touch all-in-one machine 300: the screen size is 43 inches, it is touch-sensitive, pre-installed with Windows 10 system, and it has an intelligent information-based lossless interconnection teaching platform for the entire vehicle data. The intelligent information-based lossless interconnection teaching platform for the entire vehicle data is installed in the 43-inch LCD touch all-in-one machine 300, which communicates with the vehicle through the vehicle monitoring terminal control module, sends its real-time information to the intelligent information-based lossless interconnection teaching platform for the entire vehicle data, and performs platform operations and presentations through the 43-inch LCD touch all-in-one machine 300; the platform includes six major sections: vehicle diagnosis, one-click upgrade, learning materials, remote support, documents, and settings. Among them, the all-in-one machine 300 also supports the screen projection function. Users can switch the wireless screen projection to the projector or the teaching all-in-one machine 300 with one click to realize split-screen teaching, breaking the limitation of teaching in a single fixed place, realizing multi-place teaching, and sharing real-time platform data, allowing more students to participate in learning.

[0036] The interconnection monitoring module can communicate with the vehicle ECU through CAN or LIN to transmit fault codes and system status information.

[0037] In a feasible embodiment, the fault detection module also includes a multimeter and / or an oscilloscope, and the multimeter and / or the oscilloscope are used to connect multiple data measurement holes of the fault detection module to display voltage, resistance, frequency or waveform signals in real time according to the electrical signals output by the data measurement holes.

[0038] In a feasible embodiment, the fault setting area includes a fault setting circuit and a U-shaped plug-in, the number of circuits of the fault setting circuit is greater than or equal to 300, the number of the U-shaped plug-ins is greater than or equal to 300, and the U-shaped plug-in is used to switch the circuit connection state of the fault setting circuit to set a circuit fault.

[0039] In a feasible embodiment, the fault types of the circuit fault include open circuit, short circuit, virtual connection and cross fault; the circuit fault includes circuit faults of the integrated intelligent controller system, battery pack system, battery thermal management system, AC / DC charging system, left body controller, right body controller, intelligent power brake controller system, smart key system, door lock system, window lifting system, lighting system, horn system, air conditioning system, wiper and washing system, electric seat system, and electric rearview mirror system of the automobile system.

[0040] In a feasible embodiment, the all-in-one machine 300 is equipped with an intelligent information-based lossless interconnection teaching platform for vehicle data. The intelligent information-based lossless interconnection teaching platform for vehicle data uses the interconnection monitoring module to perform real-time monitoring of vehicle lossless interconnection data, system diagnosis, automatic scanning of the entire system, reading of faults in the entire system and display of fault content, one-click fault clearing, reading of system version information, fault code reading, fault code clearing, and data stream reading to fully present the real-time working status of each system when the vehicle is working.

[0041] In a feasible embodiment, the intelligent information-based lossless interconnection teaching platform for vehicle data is also used to generate technical reports based on system version information and data stream reading, and to save static or dynamic data of the automobile system in real time. The saved data and technical reports are saved, printed, edited, and analyzed in the form of Excel documents.

[0042] In a feasible embodiment, the operating platform 100 is provided with an operating and measuring area, which is used to place equipment data. The equipment data placed in the operating and measuring area includes a multimeter, an oscilloscope, a fault diagnosis instrument, maintenance data and teaching materials; the operating and measuring area is equipped with a keyboard and a mouse connected to the all-in-one machine 300, and the keyboard and the mouse are used to interact with the all-in-one machine 300 to realize the use of the intelligent information vehicle data lossless interconnection teaching platform, the query of maintenance data, and the playback of teaching courseware.

[0043] In a feasible embodiment, the operating platform 100 is provided with a parts storage area, which includes a plurality of drawers, each of which is equipped with a plurality of storage boxes for storing a keyboard, a mouse, a U-shaped connector, and a universal junction box that meets the needs of automotive connector leads and is equipped with various types of probes, connectors, wiring, various fuses, automotive relays, and contact fault relays; the specifications of the various fuses include 5A, 10A, 15A, 20A, and 30A.

[0044] In a feasible embodiment, the intelligent information-based vehicle data lossless interconnection teaching platform is used to perform vehicle diagnosis and data reading based on the vehicle power domain controller TI, battery management system, battery pack data, front drive motor controller (FMCU) (all-in-one), OBC (on-board charger) (all-in-one), DC-DC assembly, electric drive charging module (all-in-one), air-conditioning compressor, auxiliary heating, airbags, electro-hydraulic brakes, safety system, rear body domain control unit A-B1, left body domain control unit A-L2, right body domain controller R2 (heat pump), steering column electric power steering (CEPS), combination switch, combination instrument motor control unit (MCU), combination instrument, shift control mechanism panel assembly, intelligent entry control unit, high-frequency receiving module, multimedia system-Android, steering wheel switch, and display bracket assembly.

[0045] In a feasible embodiment, the intelligent information-based lossless interconnected teaching platform for whole vehicle data is remotely connected to multiple clients, and the multiple clients display interactive windows corresponding to the intelligent information-based lossless interconnected teaching platform for whole vehicle data. When users need technical support or teaching exchanges and discussions, technical support professionals perform actual operations through this window; technical support personnel view the user's operational ideas and steps for detecting faults through the interactive window and provide real-time guidance.

[0046] Compared with the traditional technology, the beneficial effects of this application are:

[0047] The present application uses an interconnection monitoring module to perform real-time monitoring of vehicle lossless interconnection data, system diagnosis, and reading of fault content of the entire system on the automobile system, and displays the fault content, vehicle circuit diagram, and maintenance manual through the integrated machine 300. The fault setting module can also be connected in series between the interconnection monitoring module and the vehicle circuit without destroying the vehicle circuit of the automobile system to simulate various phenomena when the automobile system fails. Then, through the vehicle plug outline of the fault detection module and multiple data measurement holes set on the vehicle plug outline, the vehicle lossless interconnection data monitored by the interconnection monitoring module or the data when the automobile system fails simulated by the fault setting module is output, so that the user can judge which part of the vehicle system has a fault abnormality based on the data output by the data measurement hole according to the corresponding relationship between the vehicle plug outline and the data measurement hole, so as to facilitate students to detect and learn about different faults, and is conducive to improving students' basic ability to diagnose and eliminate simple faults of new energy vehicles, the ability to use common tools and professional testing instruments for new energy vehicles, and the ability to operate high-voltage power on and off, and can improve students' professional skills at a low cost.

[0048] The new energy vehicle fault detection system of the present application can have the following application effects:

[0049] 1) DC-DC assembly: can read and view software version information, whether DC discharge is allowed, DC system fault status, DC working mode, low-voltage output voltage, low-voltage output current, OBC on-board charger communication, input voltage measurement, input current measurement, low-voltage side line fault output, low-voltage power supply voltage and other real-time data, and can generate reports and real-time records;

[0050] 2) OBC (on-board charger) (all-in-one): can read and view software version information, S2 switch status, vehicle system fault status, AC voltage measurement, frequency, current, DC side voltage, current PWM (pulse width modulation) wave duty cycle detection, CC resistance, electric lock status, AC interlock fault, AC power measurement, internal temperature, charging port temperature L, BMS communication status, charging system working status, fault status, connection status, DC communication failure, AC leakage measurement status, vehicle system status and other real-time data, and can generate reports and real-time records;

[0051] 3) Battery pack data:

[0052] 3.1: Can read and view battery pack data information (battery maximum temperature, maximum temperature position, minimum temperature, minimum temperature position), single cell voltage (power battery pack internal single cell voltage 1-single cell voltage 100), temperature (battery pack internal temperature 1-temperature 8) data and generate reports and real-time records;

[0053] 3.2: Battery pack data analysis: Real-time data analysis of the actual vehicle power battery pack can be performed, and the analysis results can be presented (total voltage, maximum single cell voltage, minimum single cell voltage, single cell pressure difference, maximum single cell temperature, minimum single cell temperature, single cell temperature difference, maximum single cell voltage position, minimum single cell voltage position, maximum single cell temperature position, minimum single cell temperature position); Single cell voltage data analysis: Real-time display of the voltage of each single cell inside the vehicle power battery pack based on the actual vehicle. A total of 100 single cell voltages and 8 temperature sensor data are displayed on the same page. The response speed is up to 3 times / second, and the sampling frequency is 2Hz. System status function: The data status read by the platform is distinguished by different colors (maximum value is brown, minimum value is light blue, abnormal value is red, and normal value is dark blue). The real-time status of the system can be intuitively viewed, and system fault analysis and troubleshooting can be carried out according to data analysis;

[0054] 3.3: Generate reports: Data reports can be generated for power batteries, recording the current battery pack data (including total voltage of battery pack analysis, maximum single cell voltage, minimum single cell voltage, single cell pressure difference, maximum single cell temperature, minimum single cell temperature, single cell temperature difference, maximum single cell voltage position, minimum single cell voltage position, maximum single cell temperature position, minimum single cell temperature position, voltage data values ​​of single cell voltage V1 to single cell voltage V100, single cell temperature T1-T8 temperature data values, and provide data abnormality analysis), providing students with better power battery pack data browsing, analysis, and data comparison, facilitating students to quickly query and locate, and through the data learning and analysis of the report, students can better understand the internal data analysis of the power battery pack, meeting the students' needs for querying historical data records and analysis; teachers can generate summaries and assessment training projects through reports, and data reports are saved in the form of Excel documents, which can be named and saved according to their own requirements, and the historical data reports recorded in the reports can be transmitted and printed through electronic versions, greatly improving teaching needs;

[0055] 3.4: Real-time saving: Real-time data reports can be generated for power batteries. After reading the data stream, the system can record the static or dynamic vehicle operation data of any time period in real time (including the voltage data value of the single cell voltage V1 to the single cell voltage V100, and the battery temperature data value from T1 to T8). Real-time data is collected at least 40 times per second and recorded and saved in real time. The stored real-time data can be saved in the form of Excel documents, which can be named and saved according to their own requirements. The real-time data can be analyzed offline, used for homework, simulated assessment of work orders, and saved in electronic or printed form. The real-time data can generate date, specific time (accurate to milliseconds), system data stream, etc. The real-time recorded data can be analyzed in the form of bar charts, curve charts, and other charts, so that the analysis process of static or dynamic vehicle data can be intuitively understood and learned, which greatly improves teaching needs.

[0056] 4) Battery management system: can read and view software version information, full charge times, SOC, current total voltage of battery pack, current, maximum allowable charging power, times, maximum allowable discharge power, cumulative charging power, cumulative discharge power, cumulative charging energy, cumulative discharge energy, historical top voltage difference, historical low voltage difference, insulation resistance, whether discharge is allowed, pre-charge status, main contactor status, negative contactor status, pre-charge contactor status, high voltage interlock 1, high voltage system status, minimum voltage battery number, minimum single battery voltage, maximum voltage battery number, maximum Danjie battery voltage, minimum temperature number, minimum temperature, maximum temperature number, maximum temperature, average temperature of battery pack, intelligent charging, working status of power equipment, DC working command, active discharge command, battery cooling air conditioning fault status, battery internal circulation air conditioning fault status, battery thermal management air conditioning system status, thermal management request status, DL index, battery pack factory SOC, battery pack factory capacity, battery pack current actual SOC, battery pack current actual capacity and other real-time data, and can generate reports and record report data in real time;

[0057] 5) Column Electric Power Steering (CEPS): can read and view real-time data such as software version information, steering wheel speed, steering wheel angle, steering wheel torque, ECU temperature, power supply voltage, motor current, engine status, vehicle speed, motor speed, motor output torque, torque output ratio, torque sensor power supply voltage, motor position, system status, power assist mode, etc., and can generate reports and record report data in real time;

[0058] 6) Electro-hydraulic brake: can read and view software version information, left front wheel speed, right front wheel speed, left rear wheel speed, right rear wheel speed, URV voltage, ECU voltage, actual pressure, simulator pressure, push rod stroke, brake pedal status, oil outlet valve, switch valve 1 / 2, limit valve 1 / 2, two-way valve, master cylinder pressure, steering angle sensor and other real-time data, and can generate reports and record report data in real time;

[0059] 7) Power domain controller TI: can read and view software version information, OK light status, power system status, collision warning, anti-theft release status, vehicle gear, vehicle working mode, vehicle operation mode, brake switch status, throttle depth, brake depth, front drive target torque, vehicle speed, ramp slope, throttle depth voltage 1, throttle depth voltage 2, fan high / low speed status, water temperature value, water temperature alarm, high-voltage interlock status, power supply relay status, gun connection status, DC charging positive / negative contactor status, DC charging temperature 1 / 2, DC charging port voltage and other real-time data, and can generate reports and record report data in real time;

[0060] 8) Auxiliary heating: can read and view real-time data such as software version information, heat sink temperature, PTC actual gear position, water heater coolant temperature, 12V low-voltage power supply value, load high-voltage power supply, load current value, PTC power consumption, etc., and can generate reports and record report data in real time;

[0061] 9) Rear body domain control unit A-B1: can read and view real-time data such as software version information, power supply voltage, left / right clamping force, left / right brake disc temperature calculation value, left / right parking status, EPB switch status, vehicle speed, ignition switch status, ESP acceleration value, etc., and can generate reports and record report data in real time;

[0062] 10) Air conditioning compressor: can read and view software version information, compressor control status, compressor target speed, actual speed, bus voltage, bus current, compressor current power, IPM / IGBT temperature, phase current, current sampling circuit status, three-phase current status, IPM / IGBT status, internal temperature / current status, startup status, speed status, compressor load status, bus voltage status, internal low voltage status, phase voltage status and other real-time data, and can generate reports and record report data in real time;

[0063] 11) Front drive motor controller (FMCU) (all-in-one): can read and view software version information, front drive motor status, power system status, front drive motor bus voltage, front drive motor speed, front drive motor torque, front drive motor power, front drive motor controller IPM heat dissipation temperature, front drive motor temperature, front drive motor controller IGBT temperature, front drive motor A phase / B phase / C phase current, front drive motor overload coefficient, front drive point resolver status, front drive overcurrent status, front drive motor controller IPM status, motor zero position value, motor zero position calibration / inspection status, motor allowable heating status, N line side voltage, active discharge status and other real-time data, and can generate reports and record report data in real time;

[0064] 12) Right body domain controller R2 (heat pump): can read and view software version information, wind speed, mode, outside temperature, inside temperature, pressure status, pressure value, air conditioning fan gear demand, wind heating main driver PTC status / duty cycle, wind heating co-driver PTC status / duty cycle, electric compressor status, electric compressor duty cycle, main driver blowing face / foot blowing channel temperature, co-driver blowing face / foot blowing channel temperature, air conditioning high-voltage module status, main driver / co-driver cooling and heating motor position percentage, front mode motor position percentage, internal and external circulation motor position percentage, electronic expansion valve 1 position, evaporator outlet pressure / refrigerant superheat, evaporator temperature, left sunlight value, compressor speed / power, solenoid valve 1 / 2 / 3 / 4 / 6 target status, two-way electronic expansion valve / electronic expansion valve 2 target position and other real-time data, and can generate reports and record report data in real time;

[0065] 13) Combination switch: can read and view real-time data such as software version information, main light switch AUTO switch / small light switch, front fog light switch, rear fog light switch, high beam switch, left / right turn signal switch, front wiper word wipe switch, front wiper high speed / low speed / intermittent gear switch, front washer switch, etc., and can generate reports and record report data in real time;

[0066] Left body domain control unit A-L2: can read and view real-time data such as software version information, headlight system, turn warning light system, signal light system, horn system, window control system, door lock and anti-theft system, smart entry system, parking assist system, etc., and can generate reports and record report data in real time.

[0067] In combination with the above content, the new energy vehicle fault detection system of this application has the following functional characteristics:

[0068] 1) Includes six major sections: vehicle diagnosis, one-click upgrade, learning materials, remote support, documentation, and settings;

[0069] 2) Reading vehicle system version information: Reading the basic version information of each vehicle system allows students to quickly understand the basic information of each vehicle system and fill in the actual maintenance work order, and quickly grasp the basic information of each vehicle system to facilitate subsequent repair and maintenance work;

[0070] 3) Vehicle diagnosis: The vehicle system can be automatically scanned and manually selected for system diagnosis; the vehicle power domain controller TI, battery management system, battery pack data, front drive motor controller (FMCU) (all-in-one), OBC (on-board charger) (all-in-one), DC-DC assembly, electric drive charging module (all-in-one), air conditioning compressor, auxiliary heating, airbag, electro-hydraulic brake, safety system, rear body domain control unit A-B1, left body domain control unit A-L2, right body domain controller R2 (heat pump), steering column electric power steering (CEPS), combination switch, combination instrument motor control unit (MCU), combination instrument, shift control mechanism panel assembly, smart entry control unit, high-frequency receiving module, multimedia system-Android, steering wheel switch, display bracket assembly and other 25 systems can be diagnosed and data read;

[0071] 4) Reading fault codes: When a circuit in the vehicle system has a signal that exceeds the specified value, the fault information reflected by the circuit and related sensors is stored in the memory inside the ECU in the form of a fault code. During teaching, the fault code and fault information in the system can be directly read, and the cause of the fault and maintenance guidance information can be given according to the read fault code. There is no need to connect other diagnostic equipment. Troubleshooting can be carried out based on this information, which is conducive to students' ability to analyze and troubleshoot the system;

[0072] 5) Clear fault code: When the vehicle fault is eliminated, the fault code in the system can be cleared without connecting other diagnostic equipment;

[0073] 6) Reading data stream: It can read the dynamic parameters of the components in each system of the vehicle; for example, by reading the real-time sensor and actuator data stream, it can be judged whether the input and output voltages change within the specified range through the data stream, and whether the components or electronic control systems are working properly; it can greatly effectively improve students' understanding of each component of the system and their ability to analyze faults;

[0074] 7) Generate report: After reading the data stream, the system can generate a technical report, which can be saved in the form of an Excel document and named and saved according to your own requirements. The technical report can be used for offline data analysis, after-class homework, work order simulation assessment, data preservation, etc. in electronic or printed form; the report can generate the date, report name, system value, unit, report abnormality, etc.

[0075] 8) Real-time recording: After reading the data stream, the system can record the static or dynamic vehicle operation data of any time period in real time. The real-time data can be saved in the form of Excel documents, which can be named and saved according to your own requirements. The real-time data can be used for offline data analysis, after-class homework, work order simulation assessment, data preservation, etc. in electronic or printed form; the real-time data can generate date, specific time (accurate to milliseconds), system data stream, etc.; the real-time recorded data can be analyzed in the form of bar charts, curve charts, etc., so as to intuitively understand and learn the analysis process of static or dynamic vehicle data;

[0076] 9) Automatic scanning: The platform supports one-click automatic scanning of vehicle systems. After the scan is completed, the system faults and configurations can be displayed intuitively. The content of the faulty system can be displayed with one click, such as the system, fault code number, fault code status, fault description and other key fault information. Students can quickly understand and analyze the faults of the vehicle based on this information, and then determine how to solve the faults. When the faults are eliminated, all system faults can be cleared with one click.

[0077] 10) One-click upgrade: When the platform needs to be updated or upgraded, it provides a faster and more convenient upgrade method. It can be upgraded remotely through the one-click upgrade interface, which can meet the subsequent platform new function upgrades to improve user work efficiency, wisdom, and enrich teaching experience;

[0078] 11) Learning material storage and display: The platform contains teaching resources, such as learning materials, practical training work orders, vehicle maintenance manuals, vehicle circuit diagrams, user manuals and other interactive classrooms. Teachers can directly teach students through platform materials, learn original factory maintenance manuals and circuit diagrams, and arrange homework teaching on site through practical training work orders, so as to improve students' learning efficiency and efficient learning of classroom knowledge;

[0079] 12) Remote support: The platform supports remote technical support. When users need technical support or teaching exchanges and discussions, they can perform actual operations through this window. It can also be used to train users, making it easier and more in-depth for users to understand the sample knowledge exchanged by technical support professionals. Users can also directly operate the platform, and technical support personnel can easily see the user's operating ideas and steps, and provide real-time guidance. Remote support can solve problems faster and more efficiently, ensuring that users have no worries.

[0080] 13) Document storage, search, display and editing: The platform contains historical reports and real-time records that have been saved, providing users with better vehicle data browsing, vehicle data analysis, vehicle data comparison and query of vehicle historical data records, facilitating users to quickly query and locate, and meeting users' needs for querying historical data records; all recorded historical data reports can be transmitted and printed in electronic versions;

[0081] 14) Settings: You need to register a login account for the first login and bind the platform through the account; you can query product information such as software version number, VCI version number, VCI upgrade and other functions.

[0082] The device embodiments described above are merely illustrative, wherein the components described as separate parts may or may not be physically separated, and the parts displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the present application. Ordinary technicians in this field can understand and implement it without creative work.

[0083] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented in one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that include computer-usable program code.

[0084] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing device to work in a specific way, so that the instructions stored in the computer-readable memory produce a product including an instruction device, which implements the function selected in the process. Figure 1 A process or multiple processes and / or boxes Figure 1 function selected in a box or multiple boxes.

[0085] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1A process or multiple processes and / or boxes Figure 1 steps for the function selected in a box or multiple boxes.

[0086] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0087] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0088] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0089] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0090] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A new energy vehicle fault detection system, characterized in that: include: An operating platform and an all-in-one machine, wherein the operating platform includes an interconnection monitoring module, a fault setting module and a fault detection module; The interconnection monitoring module is used to perform real-time monitoring of vehicle lossless interconnection data, system diagnosis, and reading of system-wide fault content on the automobile system; the interconnection monitoring module is connected to the all-in-one machine to display fault content, vehicle circuit diagrams, and maintenance manuals through the all-in-one machine; The fault setting module is used to be connected in series between the interconnection monitoring module and the vehicle circuit without damaging the vehicle circuit of the automobile system, so as to simulate various phenomena when a fault occurs in the automobile system; The fault detection module is provided with a vehicle plug outline diagram and a plurality of data measurement holes arranged on the vehicle plug outline diagram; the fault detection module outputs the vehicle lossless interconnection data monitored by the interconnection monitoring module or the data when the fault setting module simulates a fault in the automobile system through the plurality of data measurement holes.

2. The new energy vehicle fault detection system according to claim 1, characterized in that: The fault detection module also includes a multimeter and / or an oscilloscope, which is used to connect multiple data measurement holes of the fault detection module to display voltage, resistance, frequency or waveform signals in real time according to the electrical signals output by the data measurement holes.

3. The new energy vehicle fault detection system according to claim 1, characterized in that: The fault setting area includes a fault setting circuit and a U-shaped plug-in. The number of circuits of the fault setting circuit is greater than or equal to 300, the number of the U-shaped plug-ins is greater than or equal to 300, and the U-shaped plug-in is used to switch the circuit connection state of the fault setting circuit to set a circuit fault.

4. The new energy vehicle fault detection system according to claim 3 is characterized in that: The types of circuit faults include open circuit, short circuit, virtual connection and cross fault; the circuit faults include circuit faults of the integrated intelligent controller system, battery pack system, battery thermal management system, AC / DC charging system, left body controller, right body controller, intelligent power brake controller system, smart key system, door lock system, window lifting system, lighting system, horn system, air conditioning system, wiper and washing system, electric seat system, and electric rearview mirror system of the automobile system.

5. The new energy vehicle fault detection system according to claim 4 is characterized in that: The all-in-one machine is equipped with an intelligent information-based lossless interconnection teaching platform for vehicle data. The intelligent information-based lossless interconnection teaching platform for vehicle data performs real-time monitoring of vehicle lossless interconnection data, system diagnosis, automatic scanning of the entire system, reading of faults in the entire system and display of fault contents, one-click fault clearing, reading of system version information, fault code reading, fault code clearing, and data stream reading on the automobile system through the interconnection monitoring module to fully present the real-time working status of each system when the vehicle is working.

6. The new energy vehicle fault detection system according to claim 5 is characterized in that: The intelligent information-based lossless interconnection teaching platform for whole vehicle data is also used to generate technical reports based on system version information and data stream reading, and to save static or dynamic data of the automobile system in real time. The saved data and technical reports are saved, printed, edited, and analyzed in the form of Excel documents.

7. The new energy vehicle fault detection system according to claim 5, characterized in that: The operating platform is provided with an operating and measuring area, which is used to place equipment data. The equipment data placed in the operating and measuring area includes a multimeter, an oscilloscope, a fault diagnosis instrument, maintenance data and teaching materials; the operating and measuring area is equipped with a keyboard and a mouse connected to the all-in-one machine, and the keyboard and the mouse are used to interact with the all-in-one machine to realize the use of the intelligent information vehicle data lossless interconnection teaching platform, the query of maintenance data, and the playback of teaching courseware.

8. The new energy vehicle fault detection system according to claim 1, characterized in that: The operating platform is provided with a parts storage area, which includes a plurality of drawers, each of which is equipped with a plurality of storage boxes for storing a keyboard, a mouse, a U-shaped connector, and a universal junction box that meets the needs of automotive connector leads and is equipped with various types of probes, connectors, wiring, various fuses, automotive relays, and contact fault relays; the specifications of the various fuses include 5A, 10A, 15A, 20A, and 30A.

9. The new energy vehicle fault detection system according to claim 5, characterized in that: The intelligent information vehicle data lossless interconnection teaching platform is used to perform vehicle diagnosis and data reading based on the vehicle power domain controller TI, battery management system, battery pack data, front drive motor controller, OBC, DC-DC assembly, electric drive charging module, air conditioning compressor, auxiliary heating, airbag, electro-hydraulic brake, safety system, rear body domain control unit A-B1, left body domain control unit A-L2, right body domain controller R2, steering column type electric power steering, combination switch, combination instrument motor control unit, combination instrument, shift control mechanism panel assembly, intelligent entry control unit, high-frequency receiving module, multimedia system-Android, steering wheel switch, and display screen bracket assembly.

10. The new energy vehicle fault detection system according to claim 1, characterized in that: The intelligent information-based lossless interconnection teaching platform for whole vehicle data is remotely connected to multiple clients, and the multiple clients display interactive windows corresponding to the intelligent information-based lossless interconnection teaching platform for whole vehicle data. When users need technical support or teaching exchanges and discussions, technical support professionals perform actual operations through this window; technical support personnel view the user's operational ideas and steps for detecting faults through the interactive window and provide real-time guidance.

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