CN-122017205-A - Method and device for detecting effectiveness of vehicle brake fluid

CN122017205ACN 122017205 ACN122017205 ACN 122017205ACN-122017205-A

Abstract

The application relates to the technical field of detection, in particular to a method and a device for detecting the effectiveness of a vehicle brake fluid, wherein the method comprises the steps of collecting a brake fluid sample of a target vehicle to extract a plurality of original test indexes of the brake fluid sample; acquiring environmental information of an acquisition point of a brake fluid sample, correcting a plurality of original test indexes according to the environmental information to obtain a plurality of corrected test indexes, and generating a validity evaluation result of the brake fluid sample by combining the plurality of test indexes and a target evaluation criterion. Therefore, the problems that the brake fluid detection method in the related technology is complex in general operation, the actual performance of the brake fluid cannot be accurately reflected in real time, the user cannot be reminded of the problem of the brake fluid in time easily, the safety and the braking performance of a vehicle braking system are difficult to guarantee, certain potential safety hazards exist in the vehicle and the like are solved.

Inventors

ZHANG PENG
HE YINGSHENG
HU WEI
Wu Kongkun
HU ZONGCHENG

Assignees

奇瑞新能源汽车股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260105

Claims (10)

1. The method for detecting the effectiveness of the vehicle brake fluid is characterized by comprising the following steps of: collecting a brake fluid sample of a target vehicle to extract a plurality of original test indexes of the brake fluid sample; acquiring environmental information of an acquisition point of the brake fluid sample, so as to correct the plurality of original inspection indexes according to the environmental information, and obtaining corrected plurality of inspection indexes; and combining the multiple test indexes and target evaluation criteria to generate a validity evaluation result of the brake fluid sample.
2. The method of claim 1, wherein the extracting the plurality of raw test indicators for the brake fluid sample comprises: Extracting the boiling point, the moisture content, the PH value, the metal debris content, the viscosity and the oil content of the brake fluid sample except for the brake fluid; the plurality of raw inspection indicators are determined based on the boiling point, the moisture content, the PH, the metal chip content, the viscosity, and the other oil content except for the brake fluid.
3. The method of claim 1, wherein the obtaining environmental information of the collection point of the brake fluid sample to correct the plurality of original test indicators based on the environmental information comprises: acquiring the ambient humidity and/or the ambient temperature of the acquisition point; And correcting the plurality of original test indexes according to the environment humidity and/or the association characteristics between the environment temperature and the plurality of original test indexes.
4. The method of claim 1, wherein the combining the plurality of test indicators and target analysis criteria to generate the brake fluid sample effectiveness assessment result comprises: Generating a validity evaluation result of each test index according to the plurality of test indexes and the corresponding validity ranges thereof, so as to determine the validity evaluation result of the brake fluid sample according to each test index and the validity evaluation result thereof; And/or combining the plurality of check indexes and the corresponding validity ranges thereof to generate an evaluation value of each check index so as to combine the evaluation value of each check index and the corresponding weight thereof to determine a validity evaluation result of the brake fluid sample.
5. The method as recited in claim 1, further comprising: Collecting historical inspection indexes of brake fluid where the brake fluid sample is located; Analyzing a change rule corresponding to the plurality of test indexes based on the historical test indexes; And generating a brake fluid effectiveness prompt of the target vehicle according to the plurality of test indexes and the corresponding change rules.
6. A vehicle brake fluid effectiveness detection device, comprising: The extraction module is used for collecting a brake fluid sample of the target vehicle so as to extract a plurality of original inspection indexes of the brake fluid sample; The correction module is used for acquiring the environmental information of the acquisition point of the brake fluid sample so as to correct the plurality of original inspection indexes according to the environmental information and obtain a plurality of corrected inspection indexes; And the generating module is used for combining the plurality of test indexes and the target evaluation criterion to generate a validity evaluation result of the brake fluid sample.
7. The apparatus of claim 6, wherein the extraction module comprises: The extraction unit is used for extracting the boiling point, the moisture content, the PH value, the metal debris content, the viscosity and the oil content except the brake fluid of the brake fluid sample; and the determining unit is used for determining the plurality of original inspection indexes based on the boiling point, the moisture content, the PH value, the metal debris content, the viscosity and the oil content except for the brake fluid.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the program to implement the method of detecting the effectiveness of a vehicle brake fluid according to any one of claims 1-5.
9. A computer-readable storage medium having stored thereon a computer program, characterized in that the program is executed by a processor for realizing the method of detecting the effectiveness of a vehicle brake fluid according to any one of claims 1 to 5.
10. A computer program product comprising a computer program, characterized in that the computer program, when executed, is adapted to carry out the method for detecting the effectiveness of a vehicle brake fluid according to any one of claims 1-5.

Description

Method and device for detecting effectiveness of vehicle brake fluid Technical Field The application relates to the technical field of detection, in particular to a method and a device for detecting the effectiveness of a vehicle brake fluid. Background The brake fluid is an important component in a vehicle brake system, and has the function of transmitting braking force through hydraulic pressure so as to ensure the normal operation of the brake system. As the service time increases, the brake fluid may be affected by heat, moisture, impurities, etc., resulting in degradation of its performance. Excessive moisture absorption, impurity contamination, or chemical composition changes can affect the effectiveness of the brake fluid, thereby threatening the braking performance of the vehicle. Therefore, timely and effective detection of the performance change of the brake fluid is important to ensure driving safety. In the related art, the brake fluid detection method mostly relies on the traditional manual detection method, such as observing the color change of the brake fluid, or testing the boiling point and the moisture content of the brake fluid by a professional tool. However, the brake fluid detection method in the related art is generally complex in operation, and may not accurately reflect the actual performance of the brake fluid in real time, so that the problem that the brake fluid is not timely reminded to a user is easily caused, the safety and the braking performance of a vehicle braking system are difficult to ensure, and certain potential safety hazards exist in the vehicle, so that the problem needs to be solved. Disclosure of Invention The application provides a method and a device for detecting the effectiveness of a vehicle brake fluid, which are used for solving the problems that the brake fluid detection method in the related art is generally complex in operation, the actual performance of the brake fluid can not be accurately reflected in real time, the user can not be reminded of the problem of the brake fluid in time easily, the safety and the braking performance of a vehicle brake system are difficult to guarantee, a certain potential safety hazard exists in a vehicle, and the like. An embodiment of a first aspect of the application provides a method for detecting the effectiveness of a vehicle brake fluid, which comprises the steps of collecting a brake fluid sample of a target vehicle to extract a plurality of original test indexes of the brake fluid sample, obtaining environmental information of a collecting point of the brake fluid sample to correct the plurality of original test indexes according to the environmental information to obtain a plurality of corrected test indexes, and generating an effectiveness evaluation result of the brake fluid sample by combining the plurality of test indexes and a target evaluation criterion. Optionally, in one embodiment of the application, the extracting the plurality of original test indexes of the brake fluid sample comprises extracting boiling point, moisture content, PH value, metal debris content, viscosity and other oil content except for brake fluid of the brake fluid sample, and determining the plurality of original test indexes based on the boiling point, the moisture content, the PH value, the metal debris content, the viscosity and the other oil content except for brake fluid. Optionally, in one embodiment of the present application, the acquiring the environmental information of the collecting point of the brake fluid sample to correct the plurality of original test indexes according to the environmental information includes acquiring the environmental humidity and/or the environmental temperature of the collecting point, and correcting the plurality of original test indexes according to the correlation characteristics between the environmental humidity and/or the environmental temperature and the plurality of original test indexes. Optionally, in one embodiment of the present application, the generating the validity evaluation result of the brake fluid sample by combining the plurality of test indexes and the target analysis criteria includes generating the validity evaluation result of each test index according to the plurality of test indexes and the corresponding validity ranges thereof to determine the validity evaluation result of the brake fluid sample according to each test index and the validity evaluation result thereof, and/or generating the evaluation value of each test index by combining the plurality of test indexes and the corresponding validity ranges thereof to determine the validity evaluation result of the brake fluid sample by combining the evaluation value of each test index and the corresponding weight thereof. Optionally, in one embodiment of the application, the method further comprises the steps of collecting historical test indexes of brake fluid where the brake fluid sample is located, analyzing change r