A motor vehicle safety technology inspection software field inspection method and system

Abstract

The application relates to the technical field of data collection, and particularly discloses a motor vehicle safety technology inspection software field inspection method and system, which comprises a collection system and a device to be inspected. A data transmission channel is established between the device to be inspected and the collection system. The device to be inspected comprises a light instrument, an axle load device, a braking device and a side sliding device. The collection system comprises a parameter setting module, a sensor data calibration module, a device verification module, a sensor data collection module and a sensor data storage module. The collection system can collect corresponding item data of the axle load device, corresponding item data of the braking device, corresponding item data of the side sliding device and real-time light intensity data of the light instrument. The motor vehicle safety technology inspection software field inspection system provided by the application is convenient for law enforcement personnel to collect real data in a motor vehicle detection field, test the accuracy of physical signals, analyze a large amount of data, and is suitable for a wide range of applications and is accurate and reliable.

Description

Technical Field

[0001] This invention relates to the field of data acquisition technology, and more specifically, to a method and system for on-site inspection of motor vehicle safety technical inspection software. Background Technology

[0002] Currently, according to Chapter 7 of the GA 801-2019 "Motor Vehicle Inspection Procedures," the traffic management department of the public security organ should verify motor vehicle safety technical inspection (hereinafter referred to as "safety inspection") data through computer networking and supervise the safety inspection behavior of motor vehicle safety technical inspection agencies (hereinafter referred to as "safety inspection agencies"). The safety inspection behavior of the safety inspection agencies is mainly reflected in the collection and evaluation of data; for the equipment to be inspected, equipment such as lights, brakes, and sideslip devices are required, so ensuring the accuracy, reliability, and stability of the physical signals of the equipment to be inspected is particularly important. Summary of the Invention

[0003] To address the aforementioned problems in the existing technology, this invention provides a method and system for on-site inspection of motor vehicle safety technical inspection software. By sampling and obtaining values ​​from the sensor signals of the equipment to be inspected, the accuracy of the sensor signals can be guaranteed. The sampling process can be repeated, which not only improves the sampling efficiency but also facilitates the effective collection of real-time data by regulatory and law enforcement personnel.

[0004] As a first aspect of the present invention, a method for on-site inspection of motor vehicle safety technical inspection software is provided, the method comprising the following steps:

[0005] Step S1: Establish a data transmission channel between the device to be inspected and the data acquisition system; wherein the device to be inspected includes a light meter, an axle load device, a braking device, and a sideslip device;

[0006] Step S2: Based on the sensor signal channel number of the device to be tested, configure the serial port and baud rate required by the lighting device in the acquisition system, and configure the sensor signal channel number of the axle load device, the sensor signal channel number of the braking device, and the sensor signal channel number of the sideslip device;

[0007] Step S3: Based on the configured sensor signal channel numbers of the axle load device, the braking device, and the sideslip device, calibrate the sensors of the axle load device, the braking device, and the sideslip device respectively to obtain the sensor signal correction coefficient for each sensor signal channel;

[0008] Step S4: After the calibration of each sensor of the equipment to be tested is completed, the accuracy of each sensor of the equipment to be tested is verified according to the configured sensor signal channel number of the axle load equipment, the sensor signal channel number of the braking equipment, and the sensor signal channel number of the sideslip equipment.

[0009] Step S5: After the accuracy verification of each sensor of the device to be tested is passed, collect the corresponding item data of the axle load device, the corresponding item data of the braking device and the corresponding item data of the sideslip device according to the configured signal channel number of each sensor and its corresponding sensor signal correction coefficient; and collect the real-time light intensity data of the light meter according to the serial port and baud rate required by the light meter.

[0010] Step S6: Store the corresponding item data of the axle load device, the corresponding item data of the braking device, the corresponding item data of the sideslip device, and the real-time light intensity data of the lighting device into the database.

[0011] Furthermore, the process of establishing a data transmission channel between the device under test and the acquisition system also includes:

[0012] A communication interface protocol is provided between the device under test and the acquisition system to establish a data transmission channel between the device under test and the acquisition system; wherein, the communication interface protocol between the acquisition system and the light meter is a communication protocol based on RS232 serial port.

[0013] Further, in step S2, the sensor signal channel numbers of the axle load device include the left wheel load signal channel number, the right wheel load signal channel number, the left front wheel load signal channel number, the right front wheel load signal channel number, the left rear wheel load signal channel number, and the right rear wheel load signal channel number; the sensor signal channel numbers of the braking device include the left brake signal channel number and the right brake signal channel number; and the sensor signal channel numbers of the sideslip device include the left sideslip signal channel number and the right sideslip signal channel number.

[0014] Furthermore, in step S3, the sensor signal correction coefficients include the left wheel weight signal correction coefficient, the right wheel weight signal correction coefficient, the left brake signal correction coefficient, the right brake signal correction coefficient, the left side slip signal correction coefficient, and the right side slip signal correction coefficient.

[0015] Further, in step S5, the corresponding data for the axle load equipment includes unloaded axle load data for one axle, two axles, three axles, four axles, five axles, loaded axle load data for one axle, loaded axle load data for two axles, loaded axle load data for three axles, and loaded axle load data for four axles; the corresponding data for the braking equipment includes unloaded braking data for one axle, two axles, three axles, four axles, five axles, parking brake data, loaded braking data for one axle, loaded braking data for two axles, loaded braking data for three axles, and loaded braking data for four axles; the corresponding data for the sideslip equipment includes sideslip data.

[0016] As a second aspect of the present invention, a motor vehicle safety technical inspection software on-site inspection system is provided. The motor vehicle safety technical inspection software on-site inspection system includes a data acquisition system and a device to be inspected. A data transmission channel is established between the device to be inspected and the data acquisition system. The device to be inspected includes a lighting device, an axle load device, a braking device, and a sideslip device. The data acquisition system includes a parameter setting module, a sensor data calibration module, a device verification module, a sensor data acquisition module, and a sensor data storage module.

[0017] The parameter setting module is used to configure the serial port and baud rate required by the light meter in the acquisition system according to the sensor signal channel number of the device under test, as well as the sensor signal channel number of the axle load device, the sensor signal channel number of the braking device, and the sensor signal channel number of the sideslip device.

[0018] The sensor data calibration module is used to calibrate the sensors of the axle load equipment, the braking equipment, and the sideslip device respectively according to the configured sensor signal channel number of the axle load equipment, the sensor signal channel number of the braking equipment, and the sensor signal channel number of the sideslip device, so as to obtain the sensor signal correction coefficient of each sensor signal channel.

[0019] The equipment verification module is used to verify the accuracy of each sensor of the equipment under test after the calibration of each sensor of the equipment under test is completed, based on the configured sensor signal channel number of the axle load equipment, the sensor signal channel number of the braking equipment, and the sensor signal channel number of the sideslip equipment.

[0020] The sensor data acquisition module is used to acquire the corresponding data of the axle load device, the corresponding data of the braking device, and the corresponding data of the sideslip device according to the configured sensor signal channel number and its corresponding sensor signal correction coefficient after the accuracy verification of each sensor of the device under test has passed; and to acquire the real-time light intensity data of the light meter according to the serial port and baud rate required by the light meter.

[0021] The sensor data storage module is used to store the corresponding project data of the axle load device, the corresponding project data of the braking device, the corresponding project data of the sideslip device, and the real-time light intensity data of the lighting device into the database.

[0022] The on-site inspection method for motor vehicle safety technical inspection software provided by this invention has the following beneficial effects: For the acquisition system, by using advanced algorithms for physical signal conversion, it can acquire sensor signal data of axle load, braking, and side slip in real time, and process the data to obtain effective result data. This makes it convenient for law enforcement officers to collect real data at the motor vehicle inspection site, test the accuracy of physical signals, and analyze a large amount of data. It has a wide range of applications and is accurate and reliable. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the following detailed description to explain the invention, but do not constitute a limitation thereof.

[0024] Figure 1 A flowchart of the on-site inspection method for motor vehicle safety technical inspection software provided by the present invention.

[0025] Figure 2 The flowchart illustrates the specific implementation method of the on-site inspection method for motor vehicle safety technical inspection software provided by the present invention.

[0026] Figure 3 The structural diagram of the on-site inspection system for motor vehicle safety technical inspection software provided by the present invention. Detailed Implementation

[0027] To further illustrate the technical means and effects adopted by the present invention to achieve its intended purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation, structure, features, and effects of a motor vehicle safety technical inspection software on-site inspection method proposed according to the present invention. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the protection scope of the present invention.

[0028] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of the invention described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0029] This embodiment provides a method for on-site inspection of motor vehicle safety technical inspection software, such as... Figure 1 As shown, the on-site inspection method for motor vehicle safety technical inspection software includes the following steps:

[0030] Step S1: Establish a data transmission channel between the device to be inspected and the data acquisition system; wherein the device to be inspected includes a light meter, an axle load device, a braking device, and a sideslip device;

[0031] Preferably, the step of establishing a data transmission channel between the device to be tested and the acquisition system further includes:

[0032] A communication interface protocol is provided between the device under test and the acquisition system to establish a data transmission channel between them. The communication interface protocol between the acquisition system and the lighting device is based on an RS232 serial port, and the RS232 serial port communication protocol must be compatible with the communication protocol of the lighting device model. The acquisition system communicates with the axle load device, braking device, and sideslip device via signal transmission. The sensors of the axle load device, braking device, and sideslip device must be calibrated.

[0033] Step S2: Based on the sensor signal channel number of the device to be tested, configure the serial port and baud rate required by the lighting device in the acquisition system, and configure the sensor signal channel number of the axle load device, the sensor signal channel number of the braking device, and the sensor signal channel number of the sideslip device;

[0034] Preferably, in step S2, the sensor signal channel numbers of the axle load device include the left wheel load signal channel number, the right wheel load signal channel number, the left front wheel load signal channel number, the right front wheel load signal channel number, the left rear wheel load signal channel number, and the right rear wheel load signal channel number; the sensor signal channel numbers of the braking device include the left brake signal channel number and the right brake signal channel number; and the sensor signal channel numbers of the sideslip device include the left sideslip signal channel number and the right sideslip signal channel number.

[0035] In practice, the sensor signal channel numbers of the axle load equipment, the braking equipment, and the sideslip equipment configured in the acquisition system need to be connected to the corresponding sensor signal channel numbers of the equipment under test according to the wiring method of the acquisition system.

[0036] In practice, the data acquisition system uses the lamp model, serial port, baud rate, and lamp height (in mm) as the unit of communication protocol, primarily targeting the communication protocol of the Zhejiang University MQD-6A lamp.

[0037] Step S3: As Figure 2 As shown, based on the configured sensor signal channel numbers of the axle load device, the braking device, and the sideslip device, the sensors of the axle load device, the braking device, and the sideslip device are calibrated respectively to obtain the sensor signal correction coefficient for each sensor signal channel;

[0038] Preferably, in step S3, the sensor signal correction coefficients include the left wheel weight signal correction coefficient, the right wheel weight signal correction coefficient, the left brake signal correction coefficient, the right brake signal correction coefficient, the left side slip signal correction coefficient, and the right side slip signal correction coefficient.

[0039] In specific implementation, the left wheel weight signal correction coefficient is a coefficient used to convert and transform the sensor signal output by the left axle weight sensor of the axle load platform; the right wheel weight signal correction coefficient is a coefficient used to convert and transform the sensor signal output by the right axle weight sensor of the axle load platform; the left brake signal correction coefficient is a coefficient used to convert and transform the sensor signal output by the left brake sensor of the brake platform; the right brake signal correction coefficient is a coefficient used to convert and transform the sensor signal output by the right brake sensor of the brake platform; the left side slip signal correction coefficient is a coefficient used to convert and transform the sensor signal output by the left side slip sensor of the side slip platform; and the right side slip signal correction coefficient is a coefficient used to convert and transform the sensor signal output by the right side slip sensor of the side slip platform.

[0040] Step S4: After the calibration of each sensor of the equipment to be tested is completed, the accuracy of each sensor of the equipment to be tested is verified according to the configured sensor signal channel number of the axle load equipment, the sensor signal channel number of the braking equipment, and the sensor signal channel number of the sideslip equipment.

[0041] Step S5: After the accuracy verification of each sensor of the device to be tested is passed, collect the corresponding data of the axle load device, the corresponding data of the braking device and the corresponding data of the sideslip device of the target vehicle according to the configured signal channel number of each sensor and its corresponding sensor signal correction coefficient; and collect the real-time light intensity data of the headlight according to the serial port and baud rate required by the headlight.

[0042] Preferably, in step S5, the corresponding data for the axle load device includes unloaded axle load data for one axle, two axles, three axles, four axles, five axles, loaded axle load data for one axle, loaded axle load data for two axles, loaded axle load data for three axles, and loaded axle load data for four axles; the corresponding data for the braking device includes unloaded braking data for one axle, two axles, three axles, four axles, five axles, parking brake data, loaded braking data for one axle, loaded braking data for two axles, loaded braking data for three axles, and loaded braking data for four axles; the corresponding data for the sideslip device includes sideslip data.

[0043] Step S6: Store the corresponding data of the axle load device, the corresponding data of the braking device, the corresponding data of the sideslip device, and the real-time light intensity data of the headlight into the database for the platform system to analyze and compare the vehicle data.

[0044] It should be noted that by repeating steps S1-S6 on the same vehicle, real-time data such as axle load, braking, sideslip, and lights of the same vehicle can be obtained multiple times, thereby determining the authenticity and accuracy of the data of the equipment to be inspected.

[0045] As another embodiment of the present invention, a motor vehicle safety technical inspection software on-site inspection system is provided, such as... Figure 3 As shown, the on-site inspection system for motor vehicle safety technical inspection software includes a data acquisition system 1 and an inspection device 2 located in the vehicle inspection agency. A data transmission channel is established between the inspection device 2 and the data acquisition system 1. The inspection device 2 includes physical equipment platforms such as a headlight meter, axle load meter, braking device, and sideslip device. The data acquisition system 1 includes a parameter setting module 11, a sensor data calibration module 12, an equipment verification module 13, a sensor data acquisition module 14, and a sensor data storage module 15.

[0046] The parameter setting module 11 is used to configure the serial port and baud rate required by the light meter in the acquisition system according to the sensor signal channel number of the device to be tested, as well as the sensor signal channel number of the axle load device, the sensor signal channel number of the braking device and the sensor signal channel number of the sideslip device.

[0047] The sensor data calibration module 12 is used to calibrate the sensors of the axle load device, the brake device, and the sideslip device respectively according to the configured sensor signal channel number of the axle load device, the sensor signal channel number of the brake device, and the sensor signal channel number of the sideslip device, so as to obtain the sensor signal correction coefficient of each sensor signal channel.

[0048] The equipment verification module 13 is used to verify the accuracy of each sensor of the equipment under test after the calibration of each sensor of the equipment under test is completed, according to the configured sensor signal channel number of the axle load equipment, the sensor signal channel number of the braking equipment and the sensor signal channel number of the sideslip equipment.

[0049] The sensor data acquisition module 14 is used to acquire the corresponding item data of the axle load device, the corresponding item data of the braking device, and the corresponding item data of the sideslip device according to the configured sensor signal channel number and its corresponding sensor signal correction coefficient after the accuracy verification of each sensor of the device under test has passed; and to acquire the real-time light intensity data of the light meter according to the serial port and baud rate required by the light meter.

[0050] The sensor data storage module 15 is used to store the corresponding project data of the axle load device, the corresponding project data of the braking device, the corresponding project data of the sideslip device, and the real-time light intensity data of the light meter into the database.

[0051] In practice, based on the channel terminals of the device 2 to be inspected, the following channels are configured in the acquisition system 1: left wheel heavy channel, right wheel heavy channel, left brake channel, right brake channel, left front wheel heavy channel, right front wheel heavy channel, left rear wheel heavy channel, right rear wheel heavy channel, left sliding channel, and right sliding channel. Based on the model of the headlight unit, the following information is configured in the acquisition system 1: headlight unit model, serial port, baud rate, and headlight height in mm. Then, based on the vehicle to be inspected on the detection line, the corresponding license plate is entered into the sensor data acquisition module 14, the corresponding acquisition item is selected, and then the value is obtained. The sampling system 1 will continuously sample and acquire sensor signals. After the value acquisition is completed, the stop button is clicked, and the sampling system 1 will save the acquired data to the local database.

[0052] In practice, the license plate needs to be configured in the acquisition system 1, then the project is selected as light, and then click to get the value. The acquisition system 1 will continuously read the light intensity data sent by the light meter. After the detection is completed, click stop, and the acquisition system 1 will save the light intensity data to the local database.

[0053] In this embodiment of the invention, real-time data from physical sensors is collected on-site to provide expected real data for determining the accuracy of the data from the vehicle safety technical inspection system at the testing station.

[0054] The on-site inspection method for motor vehicle safety technical inspection software provided in this invention utilizes advanced algorithms for physical signal conversion. It can collect sensor signal data from the equipment under inspection (axle load, brake, side slip platform, etc.) in real time, and process the data to obtain effective result data. This facilitates law enforcement personnel to collect real data at the motor vehicle inspection site, test the accuracy of physical signals, and analyze large amounts of data. It has a wide range of applications and is accurate and reliable.

[0055] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A method for on-site inspection of motor vehicle safety technical inspection software, characterized in that, The on-site inspection method for motor vehicle safety technical inspection software includes the following steps: Step S1: Establish a data transmission channel between the device to be inspected and the data acquisition system; wherein the device to be inspected includes a light meter, an axle load device, a braking device, and a sideslip device; Step S2: Based on the sensor signal channel number of the device to be tested, configure the serial port and baud rate required by the lighting device in the acquisition system, and configure the sensor signal channel number of the axle load device, the sensor signal channel number of the braking device, and the sensor signal channel number of the sideslip device; Step S3: Based on the configured sensor signal channel numbers of the axle load device, the braking device, and the sideslip device, calibrate the sensors of the axle load device, the braking device, and the sideslip device respectively to obtain the sensor signal correction coefficient for each sensor signal channel; Step S4: After the calibration of each sensor of the equipment to be tested is completed, the accuracy of each sensor of the equipment to be tested is verified according to the configured sensor signal channel number of the axle load equipment, the sensor signal channel number of the braking equipment, and the sensor signal channel number of the sideslip equipment. Step S5: After the accuracy verification of each sensor of the device to be tested is passed, collect the corresponding item data of the axle load device, the corresponding item data of the braking device and the corresponding item data of the sideslip device according to the configured signal channel number of each sensor and its corresponding sensor signal correction coefficient; and collect the real-time light intensity data of the light meter according to the serial port and baud rate required by the light meter. Step S6: Store the corresponding item data of the axle load device, the corresponding item data of the braking device, the corresponding item data of the sideslip device, and the real-time light intensity data of the lighting device into the database; In step S2, the sensor signal channel numbers of the axle load device include the left wheel load signal channel number, the right wheel load signal channel number, the left front wheel load signal channel number, the right front wheel load signal channel number, the left rear wheel load signal channel number, and the right rear wheel load signal channel number; the sensor signal channel numbers of the braking device include the left brake signal channel number and the right brake signal channel number; and the sensor signal channel numbers of the sideslip device include the left sideslip signal channel number and the right sideslip signal channel number. In step S3, the sensor signal correction coefficients include the left wheel weight signal correction coefficient, the right wheel weight signal correction coefficient, the left brake signal correction coefficient, the right brake signal correction coefficient, the left side slip signal correction coefficient, and the right side slip signal correction coefficient. In step S5, the corresponding data for the axle load equipment includes unloaded axle load data for one axle, two axles, three axles, four axles, five axles, and loaded axle load data for one axle, two axles, three axles, and four axles; the corresponding data for the braking equipment includes unloaded braking data for one axle, two axles, three axles, four axles, five axles, parking brake data, loaded braking data for one axle, two axles, three axles, and four axles; and the corresponding data for the sideslip equipment includes sideslip data.

2. The on-site inspection method for motor vehicle safety technical inspection software according to claim 1, characterized in that, The process of establishing a data transmission channel between the device to be tested and the acquisition system also includes: A communication interface protocol is provided between the device under test and the acquisition system to establish a data transmission channel between the device under test and the acquisition system; wherein, the communication interface protocol between the acquisition system and the light meter is a communication protocol based on RS232 serial port.

3. A motor vehicle safety technical inspection software on-site inspection system, used to implement the motor vehicle safety technical inspection software on-site inspection method according to any one of claims 1 to 2, characterized in that, The on-site inspection system for motor vehicle safety technical inspection software includes a data acquisition system (1) and a device to be inspected (2). A data transmission channel is established between the device to be inspected (2) and the data acquisition system (1). The device to be inspected (2) includes a light meter, an axle load meter, a braking device, and a sideslip device. The data acquisition system (1) includes a parameter setting module (11), a sensor data calibration module (12), an equipment verification module (13), a sensor data acquisition module (14), and a sensor data storage module (15). The parameter setting module (11) is used to configure the serial port and baud rate required by the light instrument, as well as the sensor signal channel number of the axle load device, the sensor signal channel number of the braking device, and the sensor signal channel number of the sideslip device in the acquisition system according to the sensor signal channel number of the device to be tested. The sensor data calibration module (12) is used to calibrate the sensors of the axle load device, the brake device, and the sideslip device according to the configured sensor signal channel number of the axle load device, the sensor signal channel number of the brake device, and the sensor signal channel number of the sideslip device, so as to obtain the sensor signal correction coefficient of each sensor signal channel. The equipment verification module (13) is used to verify the accuracy of each sensor of the equipment to be tested after the calibration of each sensor of the equipment to be tested is completed, according to the configured sensor signal channel number of the axle load equipment, the sensor signal channel number of the braking equipment and the sensor signal channel number of the sideslip equipment. The sensor data acquisition module (14) is used to acquire the corresponding item data of the axle load device, the corresponding item data of the braking device and the corresponding item data of the sideslip device according to the configured sensor signal channel number and its corresponding sensor signal correction coefficient after the accuracy verification of each sensor of the device under test is passed; and to acquire the real-time light intensity data of the light meter according to the serial port and baud rate required by the light meter. The sensor data storage module (15) is used to store the corresponding project data of the axle load device, the corresponding project data of the braking device, the corresponding project data of the side slip device, and the real-time light intensity data of the light meter into the database.

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