Method and system for detecting health degree of brake disc and sending alarm

Abstract

The invention discloses a method and system for detecting the health degree of a brake disc and sending an alarm, and the method comprises the steps: obtaining brake data through a vehicle end in a braking process, and sending the brake data to a vehicle networking platform; the vehicle networking platform evaluates the brake performance of the vehicle according to the brake data; and the car networking platform sends alarm information to a user according to the brake performance. According to the method and system for detecting the health degree of the brake disc and sending the alarm, on the premise of not adding a sensor and physical detection, the health degree value of the brake disc is obtained through model calculation by reporting data through the existing sensor and the controller, and the performance and the health state of the brake disc are judged in an auxiliary mode; existing equipment functions of the vehicle can be fully utilized, the remote diagnosis effect of non-intelligent parts is achieved, and the method has the same reference value in safety monitoring of other equipment of the vehicle.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile brake discs, and more specifically, to a method and system for detecting the health of a brake disc and sending an alarm. Background Art

[0002] With the rapid development of Internet of Vehicles technology, vehicle remote diagnosis technology is also developing rapidly. Many vehicle parts can report error codes through the vehicle cloud gateway when known errors and problems occur, making it easier for car companies to judge the health status of the vehicle in the background.

[0003] However, the current remote diagnosis technology of vehicles still relies on the support of vehicle component software, sensors and controllers. Most of the supported components are intelligent components, and the diagnosis of non-intelligent components still mostly relies on manual inspection.

[0004] Therefore, there is an urgent need for a method and system for detecting the health of a brake disc and sending an alarm. Summary of the invention

[0005] The purpose of the present invention is to provide a method and system for detecting the health of brake discs and sending alarms, so as to solve the above-mentioned problems in the prior art, make full use of the existing equipment functions of the vehicle, and realize remote diagnosis of non-intelligent parts.

[0006] The present invention provides a method for detecting the health of a brake disc and sending an alarm, which includes the following steps:

[0007] During braking, the braking data is obtained through the vehicle end, and the braking data is sent to the vehicle networking platform;

[0008] The vehicle networking platform evaluates the braking performance of the vehicle according to the braking data;

[0009] The Internet of Vehicles platform sends warning information to the user according to the braking performance.

[0010] In the method for detecting the health of a brake disc and sending an alarm as described above, preferably, the brake data includes brake pedaling information, vehicle speed information and vehicle mileage information.

[0011] In the method for detecting the health of a brake disc and sending an alarm as described above, preferably, the brake pedaling information includes brake pedaling angle information.

[0012] The method for detecting the health of the brake disc and sending an alarm as described above, wherein preferably, during the braking process, the braking data is obtained through the vehicle end, and the braking data is sent to the vehicle networking platform, specifically including:

[0013] During braking, the vehicle sensors collect braking data and send the braking data to the chassis controller;

[0014] The chassis controller sends the brake data to a vehicle telematics system;

[0015] The vehicle-mounted telematics system sends the brake data to the vehicle networking platform.

[0016] The method for detecting the health of a brake disc and sending an alarm as described above, wherein preferably, the vehicle-mounted telematics system sends the brake data to the vehicle networking platform, specifically comprising:

[0017] The vehicle telematics system sends the braking data to the Internet of Vehicles platform through the vehicle-to-cloud gateway channel.

[0018] In the method for detecting the health of a brake disc and sending an alarm as described above, preferably, the Internet of Vehicles platform evaluates the braking performance of the vehicle according to the braking data, specifically including:

[0019] The Internet of Vehicles platform cleans the braking data;

[0020] The Internet of Vehicles platform uses a brake performance evaluation model to obtain the health of the brake performance based on the brake data after cleaning.

[0021] In the method for detecting the health of the brake disc and sending an alarm as described above, preferably, the brake performance evaluation model calculates the health of the brake performance by the following formula:

[0022] The health of this braking performance = (L m -L S )*T / (V s -V m )-B a (1)

[0023] Among them, L m Indicates the initial speed of the vehicle braking, L S Indicates the speed at which the vehicle brakes to the end, V m Indicates the initial mileage of the vehicle when braking, V s represents the mileage of the vehicle when braking ends, T represents the algorithm influencing factor, and B a Indicates the percentage of brake pressure.

[0024] The method for detecting the health of the brake disc and sending an alarm as described above, wherein preferably, the Internet of Vehicles platform sends an alarm message to the user according to the brake performance, specifically comprising:

[0025] If more than a preset proportion of the brake disc health is within a preset warning threshold within a preset number of braking times, the Internet of Vehicles platform sends an alarm message to the user end.

[0026] In the method for detecting the health of a brake disc and sending an alarm as described above, preferably, the Internet of Vehicles platform sends an alarm message to the user, specifically including:

[0027] The Internet of Vehicles platform sends warning information to the user's vehicle computer and mobile phone app through the MQTT protocol and message push.

[0028] The present invention also provides a system for detecting the health of a brake disc and sending an alarm, comprising: a vehicle terminal, a vehicle networking platform and a client terminal arranged in sequence, wherein:

[0029] The vehicle end is used to obtain braking data during braking and send the braking data to the vehicle networking platform;

[0030] The Internet of Vehicles platform is used to evaluate the braking performance of the vehicle according to the braking data after receiving the braking data, and send an alarm message to the client according to the evaluation result of the braking performance.

[0031] The present invention provides a method and system for detecting the health of a brake disc and sending an alarm. During vehicle driving, the braking data of a user when braking is obtained through the vehicle end, and the vehicle reports this information to a vehicle networking platform. The vehicle networking platform calculates whether the performance of this braking is within a reasonable range based on the reported braking data, thereby judging the health status of the brake disc. When the user's braking performance drops to a warning range, an alarm message is pushed to the user's MP5 and mobile phone to prompt the user to go to a 4S shop for inspection and replacement of the brake disc; the health status of the vehicle's brake disc can be calculated in real time during vehicle driving, and an alarm message can be pushed to the owner in real time when the health status is abnormal; without adding sensors and physical detection, data is reported by existing sensors and controllers, and a brake disc health value is obtained through model calculation to assist in judging the performance and health status of the brake disc; the existing equipment functions of the vehicle can be fully utilized to achieve the remote diagnosis effect of non-intelligent parts, and it has the same reference value in the safety monitoring of other vehicle equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described below with reference to the accompanying drawings, in which:

[0033] Figure 1 A flow chart of an embodiment of a method for detecting the health of a brake disc and sending an alarm provided by the present invention;

[0034] Figure 2A flow chart of an embodiment of a method for detecting the health of a brake disc and sending an alarm provided by the present invention;

[0035] Figure 3 This is a structural block diagram of an embodiment of a system for detecting the health of a brake disc and sending an alarm provided by the present invention. DETAILED DESCRIPTION

[0036] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present disclosure and its application or use. The present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present disclosure thorough and complete and to fully express the scope of the present disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0037] The words "first", "second" and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprises" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0038] In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be an intermediate component between the specific component and the first component or the second component. When a specific component is described as being connected to other components, the specific component may be directly connected to the other components without an intermediate component, or may not be directly connected to the other components but have an intermediate component.

[0039] All terms (including technical terms or scientific terms) used in the present disclosure have the same meanings as those understood by ordinary technicians in the field to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0040] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0041] At present, the health check of brake discs mainly relies on physical devices, which use equipment to check the thickness of the brake disc to determine the health of the brake and whether it needs to be replaced. The existing solutions are relatively simple and require offline inspection at a repair shop or the use of tools. The operation is cumbersome and time-consuming for car owners.

[0042] like Figure 1 and Figure 2 As shown, the method for detecting the health of the brake disc and sending an alarm provided in this embodiment includes the following steps in actual execution:

[0043] Step S1: During the braking process, the braking data is obtained through the vehicle end, and the braking data is sent to the Internet of Vehicles platform.

[0044] The brake data includes brake pedaling information, vehicle speed information and vehicle mileage information. Specifically, the brake pedaling information includes brake pedaling angle information.

[0045] In one embodiment of the method for detecting the health of a brake disc and sending an alarm of the present invention, the step S1 may specifically include:

[0046] Step S11: During the braking process, the vehicle sensor collects braking data and sends the braking data to the chassis controller.

[0047] Step S12: The chassis controller sends the brake data to a vehicle telematics system (TBOX).

[0048] Step S13: The vehicle-mounted telematics system sends the braking data to the Internet of Vehicles platform.

[0049] Specifically, the vehicle-mounted telematics system sends the braking data to the Internet of Vehicles platform through the vehicle-cloud gateway channel.

[0050] The vehicle-cloud gateway channel serves as a network service channel for establishing connections between vehicles and the vehicle-cloud platform.

[0051] Step S2: The Internet of Vehicles platform evaluates the braking performance of the vehicle based on the braking data.

[0052] The Internet of Vehicles cloud platform serves as a cloud processing platform for vehicle data. In one embodiment of the method for detecting the health of a brake disc and sending an alarm of the present invention, the step S2 may specifically include:

[0053] Step S21: The Internet of Vehicles platform cleans the braking data.

[0054] Through the cleaning process, dirty data that does not conform to logic can be cleaned up.

[0055] Step S22: The Internet of Vehicles platform uses a brake performance evaluation model to obtain the health of the brake performance according to the brake data after cleaning.

[0056] The braking performance evaluation model calculates the health of the braking performance using the following formula:

[0057] The health of this braking performance = (L m -L S )*T / (V s -V m )-B a (1)

[0058] Among them, L m Indicates the initial speed of the vehicle braking, L S Indicates the speed at which the vehicle brakes to the end, V m Indicates the initial mileage of the vehicle when braking, V s represents the mileage of the vehicle when braking ends, T represents the algorithm influencing factor, and B a Indicates the percentage of brake pressure.

[0059] Step S3: The Internet of Vehicles platform sends a warning message to the user according to the braking performance.

[0060] Specifically, if more than a preset proportion of the brake disc health is within the preset warning threshold within the preset number of braking times, the Internet of Vehicles platform sends an alarm message to the user end. Among them, the preset number of braking times, the preset proportion and the preset warning threshold are all Internet of Vehicles platform, and the present invention does not specifically limit this. In one embodiment of the present invention, the Internet of Vehicles platform sends an alarm prompt message to the user's car computer and mobile phone app through the mqtt (Message Queuing Telemetry Transport) protocol and message push to prompt the user to go to the 4S shop for inspection or replacement of the brake disc. In some embodiments of the present invention, the Internet of Vehicles platform can display the user's brake health status in real time on the car computer or mobile phone, help the user to judge the health of the brake disc in time, and remind the user to check and replace the brake disc, which is very helpful to the driving safety of the car owner.

[0061] The method for detecting the health of brake discs and sending alarms provided by the embodiment of the present invention obtains the braking data of the user when braking through the vehicle end during the driving process of the vehicle, and the vehicle reports this information to the Internet of Vehicles platform. The Internet of Vehicles platform calculates whether the performance of this braking is within a reasonable range based on the reported braking data, thereby judging the health status of the brake disc. When the user's braking performance drops to the warning range, the alarm message is pushed to the user's MP5 and mobile phone to prompt the user to go to the 4S shop to inspect and replace the brake disc; the health status of the vehicle's brake disc can be calculated in real time during the driving process of the vehicle, and the alarm information can be pushed to the owner in real time when the health status is abnormal; without adding sensors and physical detection, the data is reported by the existing sensors and controllers, and a brake disc health value is obtained by model calculation to assist in judging the performance and health status of the brake disc; the existing equipment functions of the vehicle can be fully utilized to achieve the remote diagnosis effect of non-intelligent parts, and it has the same reference value in the safety monitoring of other vehicle equipment.

[0062] Correspondingly, the present invention also provides a system for detecting the health of a brake disc and sending an alarm using the above method, comprising: a vehicle terminal 1, a vehicle networking platform 2 and a client 3 arranged in sequence, wherein:

[0063] The vehicle end 1 is used to obtain braking data during braking and send the braking data to the vehicle networking platform 2;

[0064] The Internet of Vehicles platform 2 is used to evaluate the braking performance of the vehicle according to the braking data after receiving the braking data, and send an alarm message to the client 3 according to the evaluation result of the braking performance.

[0065] The client includes a vehicle-mounted display device (MP5) and a mobile phone app.

[0066] The system for detecting the health of brake discs and sending alarms provided by the embodiment of the present invention obtains the braking data of the user when braking through the vehicle end during vehicle driving, and the vehicle reports this information to the Internet of Vehicles platform. The Internet of Vehicles platform calculates whether the performance of this braking is within a reasonable range based on the reported braking data, thereby judging the health status of the brake disc. When the user's braking performance drops to the warning range, the system pushes an alarm message to the user's MP5 and mobile phone to prompt the user to go to the 4S shop to inspect and replace the brake disc; the system can calculate the health status of the vehicle's brake disc in real time during vehicle driving, and push alarm information to the owner in real time when the health status is abnormal; without adding sensors and physical detection, the system reports data through existing sensors and controllers, and obtains a brake disc health value through model calculation to assist in judging the performance and health status of the brake disc; the system can make full use of the functions of the vehicle's existing equipment to achieve the remote diagnosis effect of non-intelligent parts, and has the same reference value in the safety monitoring of other vehicle equipment.

[0067] So far, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0068] Although some specific embodiments of the present disclosure have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. A method for detecting the health of a brake disc and sending an alarm, characterized in that: include: During braking, the braking data is obtained through the vehicle end, and the braking data is sent to the vehicle networking platform; The vehicle networking platform evaluates the braking performance of the vehicle according to the braking data; The Internet of Vehicles platform sends warning information to the user according to the braking performance.

2. The method for detecting the health of a brake disc and sending an alarm according to claim 1, characterized in that: The brake data includes brake pedaling information, vehicle speed information and vehicle mileage information.

3. The method for detecting the health of a brake disc and sending an alarm according to claim 2, characterized in that: The brake pedaling information includes brake pedaling angle information.

4. The method for detecting the health of a brake disc and sending an alarm according to claim 1, characterized in that: During the braking process, the braking data is obtained through the vehicle end, and the braking data is sent to the vehicle networking platform, specifically including: During braking, the vehicle sensors collect braking data and send the braking data to the chassis controller; The chassis controller sends the brake data to a vehicle telematics system; The vehicle-mounted telematics system sends the brake data to the vehicle networking platform.

5. The method for detecting the health of a brake disc and sending an alarm according to claim 4, characterized in that: The vehicle telematics processing system sends the braking data to the vehicle networking platform, specifically including: The vehicle telematics system sends the braking data to the Internet of Vehicles platform through the vehicle-to-cloud gateway channel.

6. The method for detecting the health of a brake disc and sending an alarm according to claim 1, characterized in that: The vehicle networking platform evaluates the braking performance of the vehicle according to the braking data, specifically including: The Internet of Vehicles platform cleans the braking data; The Internet of Vehicles platform uses a brake performance evaluation model to obtain the health of the brake performance based on the brake data after cleaning.

7. The method for detecting the health of a brake disc and sending an alarm according to claim 6, characterized in that: The braking performance evaluation model calculates the health of the braking performance using the following formula: The health of this braking performance = (L m -L S )*T / (V s -V m )-B a (1) Among them, L m Indicates the initial speed of the vehicle braking, L S Indicates the speed at which the vehicle brakes to the end, V m Indicates the initial mileage of the vehicle when braking, V s represents the mileage of the vehicle when braking ends, T represents the algorithm influencing factor, and B a Indicates the percentage of brake pressure.

8. The method for detecting the health of a brake disc and sending an alarm according to claim 6, characterized in that: The vehicle networking platform sends warning information to the user according to the braking performance, specifically including: If more than a preset proportion of the brake disc health is within a preset warning threshold within a preset number of braking times, the Internet of Vehicles platform sends an alarm message to the user end.

9. The method for detecting the health of a brake disc and sending an alarm according to claim 8, characterized in that: The Internet of Vehicles platform sends warning information to the user, specifically including: The Internet of Vehicles platform sends warning information to the user's vehicle computer and mobile phone app through the MQTT protocol and message push.

10. A system for detecting the health of a brake disc and sending an alarm using the method described in any one of claims 1 to 9, characterized in that: include: The vehicle side, Internet of Vehicles platform and client are set up in sequence, where: The vehicle end is used to obtain braking data during braking and send the braking data to the vehicle networking platform; The Internet of Vehicles platform is used to evaluate the braking performance of the vehicle according to the braking data after receiving the braking data, and send an alarm message to the client according to the evaluation result of the braking performance.

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