New energy automobile operation safety inspection integrated system

Abstract

The invention discloses a new energy automobile operation safety inspection integrated system, which comprises a portable inspection device and a terminal platform, and is characterized in that the portable inspection device comprises a data acquisition module, a data processing module and a data transmission module; the data acquisition module is used for acquiring historical operation state data of the new energy vehicle in an annual inspection period and transmitting the historical operation state data to the data processing module; the data processing module is used for receiving the historical operation state data, screening and determining the historical operation state data to obtain determined inspection data, and transmitting the determined inspection data to the terminal platform through the data transmission module; the terminal platform is used for receiving and determining the inspection data, performing simulation experiment inspection according to the inspection data, obtaining an experiment output result, and judging the operation safety of the new energy automobile according to the experiment output result; the technical problem that an existing new energy automobile safety inspection system is weak in applicability to non-disassembly regular inspection is solved.

Description

Technical Field

[0001] The present application relates to the technical field of new energy vehicle safety inspection, and in particular to an integrated system for new energy vehicle operation safety inspection. Background Art

[0002] Energy vehicles have become the leader and carrier for driving the overall transformation and upgrading of the global automotive industry, and are an important tool and engine for promoting the sustained growth of the world economy in the future.

[0003] With the increase in the number of new energy vehicles, the safety issue of new energy vehicles has become increasingly prominent. The operating safety of new energy vehicles is the second largest factor for consumers to give up buying pure electric vehicles. Therefore, safety inspections of the operation process of new energy vehicles are indispensable. However, the current new energy vehicle safety performance inspection process has a long cycle and great limitations, and the existing new energy vehicle safety inspection system has weak applicability to non-disassembly periodic inspections and cannot meet the requirements for periodic safety inspections of the entire vehicle. Summary of the invention

[0004] The embodiment of the present application provides an integrated system for new energy vehicle operation safety inspection, which is used to solve the technical problem that the existing new energy vehicle safety inspection system has poor applicability for non-disassembly periodic inspection and cannot meet the requirements for periodic safety inspection of the whole vehicle.

[0005] In view of this, the present application provides an integrated system for new energy vehicle operation safety inspection, including a portable inspection device and a terminal platform, the portable inspection device including a data acquisition module, a data processing module and a data transmission module; the data acquisition module is used to obtain the historical operation status data of the new energy vehicle within the annual inspection period, and transmit the historical operation status data to the data processing module; the data processing module is used to receive the historical operation status data, and screen and determine the historical operation status data to obtain determined inspection data, and transmit the determined inspection data to the terminal platform through the data transmission module; the terminal platform is used to receive the determined inspection data, and perform a simulation experiment inspection based on the inspection data, and obtain an experimental output result, and judge the operation safety of the new energy vehicle based on the experimental output result.

[0006] Optionally, the obtaining of the historical operating status data of the new energy vehicle within the annual inspection cycle includes establishing a communication connection with a data collection platform, the data collection platform including the National New Energy Vehicle Operation Monitoring and Management Platform, the National Public Security Traffic Integrated Command Platform and the National Defective Automobile Product Recall Comprehensive Management Information Platform; obtaining the historical operating status data of the new energy vehicle within the annual inspection cycle in the National New Energy Vehicle Operation Monitoring and Management Platform, wherein the historical operating status data includes vehicle driving discharge data.

[0007] Optionally, the data processing module includes the data screening module and the data determination module; the data screening module is used to preset screening conditions according to the data to be inspected, filter the historical operating status data according to the preset conditions, obtain the screening results, and transmit the screening results to the data determination module; the data determination module is used to determine the required inspection data according to the screening results.

[0008] Optionally, the screening results include discharge data, and the data determination module determines the rapid inspection working condition of the new energy vehicle based on the discharge data; the terminal platform performs a simulation experiment based on the rapid inspection working condition of the new energy vehicle to obtain the working condition output result of the new energy vehicle, and judges the power battery performance of the new energy vehicle based on the working condition output result of the new energy vehicle.

[0009] Optionally, the historical operating status data is filtered according to the preset filtering conditions, including filtering the historical operating status data by category according to the brand category of the new energy vehicle, driving weather environment and driving road environment, and obtaining historical operating status data in the same category, and performing statistical analysis on the historical operating status data in the same category to obtain the speed-time operating condition diagram and discharge data of the new energy vehicle.

[0010] Optionally, the data determination module determines the rapid inspection condition of the new energy vehicle according to the speed-time condition diagram and the discharge data.

[0011] Optionally, the terminal platform performs a simulation experiment based on the rapid inspection working condition of the new energy vehicle to obtain the working condition output result of the new energy vehicle, including using the rapid inspection working condition of the new energy vehicle for a hub test bench to simulate the operating state of the new energy vehicle in a specific driving scenario, and collecting the output characteristics of the power battery of the new energy vehicle, and using the output characteristics as the working condition output result of the new energy vehicle.

[0012] Optionally, the output characteristics include power battery output voltage data and power battery output current data.

[0013] Optionally, the data transmission module includes a data supervision module and a wireless communication module;

[0014] The data supervision module is used to perform target address verification and data verification on the determined inspection data transmitted by the data processing module according to the data transmission target address, data communication protocol, data format and data content preset by the terminal platform, and generate and send a data transmission instruction to the wireless communication module after the target address verification and data verification pass;

[0015] The wireless communication module is used to receive and upload the determined inspection data to the terminal platform corresponding to the preset target address according to the data transmission instruction.

[0016] It can be seen from the above technical solutions that the embodiments of the present application have the following advantages:

[0017] The integrated system for operation safety inspection of new energy vehicles provided by the present application, compared with the prior art, uses a terminal platform, and a data acquisition module, a data processing module and a data transmission module of a portable inspection device; wherein the data acquisition module acquires the historical operation status data of the new energy vehicle within the annual inspection period, and transmits the historical operation status data to the data processing module; the data processing module receives the historical operation status data, and screens and determines the historical operation status data to obtain determined inspection data, and transmits the determined inspection data to the terminal platform through the data transmission module; the terminal platform receives the determined inspection data, and performs a simulation experiment inspection based on the inspection data, and obtains the experimental output result, and judges the operation safety of the new energy vehicle based on the experimental output result; the applicability of the non-disassembly periodic inspection of the new energy vehicle safety inspection system is enhanced, thereby meeting the requirements for periodic safety inspection of the whole vehicle, and based on the inspection convenience of the portable inspection device, the cycle of the new energy vehicle safety performance inspection process is shortened, and the inspection efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly express the technical solutions of the embodiments of the present application, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a system block diagram of the integrated system for new energy vehicle operation safety inspection provided in the embodiments of the present application. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0021] For easier understanding, see Figure 1, an embodiment of the integrated system for safety inspection of new energy vehicle operation provided by the present application includes a portable inspection device and a terminal platform, the portable inspection device includes a data acquisition module, a data processing module and a data transmission module, the portable inspection device is used to conveniently carry out safety inspection of new energy vehicles on the move; the data acquisition module is used to obtain the historical operation status data of the new energy vehicle within the annual inspection cycle, and transmit the historical operation status data to the data processing module; the data processing module is used to receive the historical operation status data, and screen and determine the historical operation status data to obtain the determined inspection data, and transmit the determined inspection data to the terminal platform through the data transmission module; the terminal platform is used to receive the determined inspection data, and perform a simulation experiment inspection according to the inspection data, and obtain the experimental output result, and judge the operation safety of the new energy vehicle according to the experimental output result; through the terminal platform, and The portable inspection equipment comprises a data acquisition module, a data processing module and a data transmission module; wherein the data acquisition module acquires the historical operating status data of the new energy vehicle within the annual inspection period, and transmits the historical operating status data to the data processing module; the data processing module receives the historical operating status data, screens and determines the historical operating status data, obtains the determined inspection data, and transmits the determined inspection data to the terminal platform through the data transmission module; the terminal platform receives the determined inspection data, and performs a simulation experiment inspection based on the inspection data, and obtains the experimental output result, and judges the operating safety of the new energy vehicle based on the experimental output result; the applicability of the non-disassembly periodic inspection of the new energy vehicle safety inspection system is enhanced, thereby meeting the periodic safety inspection requirements of the whole vehicle, and based on the inspection convenience of the portable inspection equipment, the cycle of the safety performance inspection process of the new energy vehicle is shortened, and the inspection efficiency is improved.

[0022] As a further solution of the present invention, historical operation status data of new energy vehicles within the annual inspection cycle is obtained, including establishing a communication connection with a data collection platform, the data collection platform includes a national new energy vehicle operation monitoring and management platform, a national public security traffic integrated command platform and a national defective automobile product recall integrated management information platform; historical operation status data of new energy vehicles in the national new energy vehicle operation monitoring and management platform within the annual inspection cycle are obtained, wherein the historical operation status data includes vehicle running and discharge data; specifically, the data acquisition module can collect vehicle running status data of new energy vehicles within the annual inspection cycle for constructing a new energy vehicle rapid detection working condition, mainly through the national new energy vehicle operation monitoring and management platform, the national public security traffic integrated command platform and the national defective automobile product recall integrated management information platform, in accordance with "Technical Specifications for Electric Vehicle Remote Service and Management System Part 3: Communication Protocol and Data Format" (GB / T 32960.3-2016) and enterprise private agreements, according to vehicle brand, driving weather environment, driving road environment, etc., the vehicle running status data of the vehicle within the annual inspection cycle is collected, including but not limited to vehicle driving speed, power battery output voltage, power battery output current and vehicle driving and discharge data.

[0023] Furthermore, the data processing module includes a data screening module and a data determination module; the data screening module is used to preset screening conditions according to the data to be inspected, screen the historical operating status data according to the preset conditions, obtain screening results, and transmit the screening results to the data determination module; the data determination module is used to determine the required inspection data according to the screening results; the screening results include discharge data, and the data determination module determines the rapid inspection working condition of the new energy vehicle according to the speed-time working condition diagram and the discharge data; the terminal platform performs simulation experiments according to the rapid inspection working condition of the new energy vehicle, obtains the working condition output result of the new energy vehicle, and judges the power battery performance of the new energy vehicle according to the working condition output result of the new energy vehicle; the historical operating status data is screened according to the preset screening conditions, including classifying the historical operating status according to the brand category, driving weather environment and driving road environment of the new energy vehicle; The state data are filtered by category to obtain the historical operation status data in the same category, and the historical operation status data in the same category are statistically analyzed to obtain the speed-time operating condition diagram and discharge data of the new energy vehicle; specifically, for example, the brand category can be BYD, and the harsh driving environment includes climbing, rapid acceleration and using air conditioning in rainy days, climbing, rapid acceleration and using air conditioning on ordinary roads, or climbing, rapid acceleration and using air conditioning on highways, so as to obtain the corresponding speed-time operating condition diagram and the discharge data during driving, wherein the discharge data includes the power battery output voltage data and the power battery output current data; a joint relationship between the speed-time operating condition diagram and the discharge data is established, that is, to establish a connection with the power battery output voltage data and the power battery output current data of the new energy vehicle under different speed conditions, and obtain the discharge data under actual driving conditions.

[0024] Specifically, the output power of the new energy vehicle is determined according to the power battery output voltage data and the power battery output current data of the new energy vehicle, and then the power battery power change rate is set, and then the vehicle driving speed change curve of the power battery of the new energy vehicle under harsh driving conditions is determined according to the output power of the new energy vehicle.

[0025] Specifically, the battery output power change rate of the new energy vehicle is compared with the preset power battery power change rate; the driving speed change curves of the new energy vehicle whose battery output power change rate is greater than the preset power battery power change rate are spliced ​​to form a rapid inspection condition for the new energy vehicle; the rapid inspection condition is then used on the rotary hub test bench to simulate the operating state of the vehicle in a specific driving scenario, and the output characteristics of the power battery of the new energy vehicle are collected to determine the power health status of the new energy vehicle and provide diagnostic data, specifically including:

[0026] Screen and collect the discharge data of the power batteries of the inspected vehicles with an average age of less than 1 year during operation;

[0027] Calculate battery output power and set the power battery power change rate to determine the speed change curve of the power battery in new energy vehicles under harsh driving environments;

[0028] The speed change curves of new energy vehicles under harsh driving environments where the output power is greater than the set power battery power change rate are spliced ​​to form a new energy electric vehicle rapid test condition with a total duration of 300s. The rapid test condition is a speed change curve.

[0029] Specifically, a simulation experiment is conducted according to the rapid inspection working condition of the new energy vehicle to obtain the working condition output result of the new energy vehicle, including: using the speed change curve of the new energy vehicle with a total duration of 300s on the hub test bench to simulate the operating state of the new energy vehicle in a specific driving scenario; collecting the power battery output characteristics of the new energy vehicle, the power battery output characteristics include the power battery output voltage data and the power battery output current data; using the power battery output characteristics as the working condition output result of the new energy vehicle, and then judging the performance of the power battery of the new energy vehicle based on the working condition output result, so as to improve the accuracy of the performance detection of the power battery of the new energy vehicle.

[0030] Furthermore, the terminal platform conducts simulation experiments based on the rapid inspection working conditions of the new energy vehicle to obtain the working condition output results of the new energy vehicle, including using the rapid inspection working conditions of the new energy vehicle for the rotary hub test bench to simulate the operating state of the new energy vehicle in a specific driving scenario, and collecting the output characteristics of the power battery of the new energy vehicle, and using the output characteristics as the working condition output results of the new energy vehicle, the output characteristics include the power battery output voltage data and the power battery output current data; specifically, the characteristic parameters of the power battery output of the new energy vehicle during the test on the rotary hub test bench are collected through the on-board data acquisition terminal, that is, the voltage, current and SOC data of the power battery output during the test are collected through the vehicle CAN bus or network, so as to comprehensively judge the power battery performance of the new energy vehicle and the electrical safety performance of the whole vehicle.

[0031] Specifically, judging the power battery performance of the new energy vehicle according to the operating condition output result of the new energy vehicle includes:

[0032] Calculate the power battery output power under a cycle condition according to the power battery output voltage data and the power battery output current data;

[0033] Calculate the SOC change of the power battery when a cycle is completed;

[0034] Calculate the health factor of the power battery based on the power battery output power and the power battery SOC change;

[0035] Compare the health factor of the power battery with the battery health threshold;

[0036] If the health factor of the power battery is greater than the battery health threshold, it is determined that the power battery performance of the new energy vehicle is in a good health state;

[0037] If the health factor of the power battery is not greater than the battery health threshold, it is determined that the power battery performance of the new energy vehicle is that the battery needs to be replaced.

[0038] Furthermore, the data transmission module includes a data supervision module and a wireless communication module; the data supervision module is used to perform target address verification and data verification on the determined inspection data transmitted by the data processing module according to the data transmission target address, data communication protocol, data format and data content preset by the terminal platform, and after the target address verification and data verification are passed, generate and send a data transmission instruction to the wireless communication module; the wireless communication module is used to receive and upload the determined inspection data to the terminal platform corresponding to the preset target address according to the data transmission instruction, thereby improving the security of data transmission in the safety inspection process of new energy vehicles. Specifically, the wireless communication module can adopt wireless communication devices such as Bluetooth communication module, WiFi communication module and LTE communication module; the data communication protocol adopts TCP / IP protocol, and the new energy vehicle network security gateway system and the counterpart send data outward according to TCP / IP protocol for data transmission, that is, the receiving end agreed by the terminal platform and the data processing module also has a unique IP address and physical address. When the two parties agree on the address, they bind their physical addresses and IPs to each other, and provide their own IP addresses and physical addresses to each other for address binding, thereby improving the security of data transmission.

[0039] The terms "first", "second", "third", "fourth", etc. (if any) in the specification of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0040] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. The integrated system for the safety inspection of new energy vehicles is characterized by: It includes a portable inspection device and a terminal platform, wherein the portable inspection device includes a data acquisition module, a data processing module and a data transmission module; The data acquisition module is used to acquire the historical operating status data of the new energy vehicle within the annual inspection period, and transmit the historical operating status data to the data processing module; The data processing module is used to receive the historical operation status data, screen and determine the historical operation status data, obtain confirmed inspection data, and transmit the confirmed inspection data to the terminal platform through the data transmission module; The terminal platform is used to receive the determined inspection data, perform a simulation experiment inspection according to the inspection data, obtain an experimental output result, and judge the operating safety of the new energy vehicle according to the experimental output result.

2. The integrated system for safety inspection of new energy vehicle operation according to claim 1 is characterized in that: The obtaining of the historical operating status data of the new energy vehicle within the annual inspection cycle includes establishing a communication connection with a data collection platform, wherein the data collection platform includes a national new energy vehicle operation monitoring and management platform, a national public security traffic integrated command platform, and a national defective automobile product recall comprehensive management information platform; obtaining the historical operating status data of the new energy vehicle within the annual inspection cycle in the national new energy vehicle operation monitoring and management platform, wherein the historical operating status data includes vehicle driving discharge data.

3. The integrated system for safety inspection of new energy vehicles according to claim 1 is characterized in that , the data processing module includes the data screening module and the data determination module; the data screening module is used to preset screening conditions according to the data to be inspected, screen the historical operation status data according to the preset conditions, obtain the screening results, and transmit the screening results to the data determination module; The data determination module is used to determine the required inspection data according to the screening result.

4. The integrated system for safety inspection of new energy vehicles according to claim 3 is characterized in that The screening result includes discharge data, and the data determination module determines the rapid inspection working condition of the new energy vehicle according to the discharge data; the terminal platform performs a simulation experiment according to the rapid inspection working condition of the new energy vehicle to obtain the working condition output result of the new energy vehicle, and judges the power battery performance of the new energy vehicle according to the working condition output result of the new energy vehicle.

5. The integrated system for safety inspection of new energy vehicle operation according to claim 4 is characterized in that: The filtering of the historical operating status data according to the preset filtering conditions includes filtering the historical operating status data by category according to the brand category of the new energy vehicle, the driving weather environment and the driving road environment, obtaining the historical operating status data in the same category respectively, and performing statistical analysis on the historical operating status data in the same category to obtain the speed-time operating diagram and discharge data of the new energy vehicle.

6. The integrated system for safety inspection of new energy vehicle operation according to claim 5 is characterized in that: The data determination module determines the rapid inspection condition of the new energy vehicle according to the speed-time condition diagram and the discharge data.

7. The integrated system for safety inspection of new energy vehicle operation according to claim 6 is characterized in that: The terminal platform performs a simulation experiment based on the rapid inspection working condition of the new energy vehicle to obtain the working condition output result of the new energy vehicle, including using the rapid inspection working condition of the new energy vehicle for a hub test bench to simulate the operating state of the new energy vehicle in a specific driving scenario, and collecting the output characteristics of the power battery of the new energy vehicle, and using the output characteristics as the working condition output result of the new energy vehicle.

8. The integrated system for safety inspection of new energy vehicle operation according to claim 7 is characterized in that: The output characteristics include power battery output voltage data and power battery output current data.

9. The integrated system for safety inspection of new energy vehicle operation according to claim 1 is characterized in that: The data transmission module includes a data supervision module and a wireless communication module; The data supervision module is used to perform target address verification and data verification on the determined inspection data transmitted by the data processing module according to the data transmission target address, data communication protocol, data format and data content preset by the terminal platform, and generate and send a data transmission instruction to the wireless communication module after the target address verification and data verification pass; The wireless communication module is used to receive and upload the determined inspection data to the terminal platform corresponding to the preset target address according to the data transmission instruction.

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