CN-121989632-A - Vehicle air heating monitoring method, vehicle, equipment and program product

CN121989632ACN 121989632 ACN121989632 ACN 121989632ACN-121989632-A

Abstract

The application relates to the technical field of vehicles, in particular to a vehicle air heating monitoring method, a vehicle, equipment and a program product. The method comprises the steps of collecting current operation information of the air heating element in a current working stage when the air heating element of the vehicle enters the current working stage, wherein the working process of the air heating element comprises at least one working stage which is one by one, acquiring a safety monitoring result of the air heating element based on the stage operation information in the current working stage, and immediately prohibiting the air heating element from working if the safety monitoring result indicates that the air heating element has safety risks. The application can monitor all phases of the working process of the air heating element in all directions, and can prohibit the air heating element from working in time when any working phase finds that the safety risk exists, thereby improving the safety of the air heating element.

Inventors

LI SHIDONG
YANG XIAOLONG
LI GUANGQUAN

Assignees

浙江吉利控股集团有限公司
浙江远程新能源商用车集团有限公司
吉利四川商用车有限公司
南充吉利商用车研究院有限公司

Dates

Publication Date: 20260508
Application Date: 20260129

Claims (10)

1. A vehicle air heating monitoring method, characterized by comprising: When a vehicle air heating element enters a current working stage, current operation information of the air heating element in the current working stage is acquired, wherein the working process of the air heating element comprises at least one working stage which enters one by one, and the current working stage is any one of the working stages which are currently carried out; In the current working stage, based on stage operation information, acquiring a safety monitoring result of the air heating element, wherein the safety monitoring result is used for indicating whether safety risks exist in the operation process of the air heating element; And if the safety monitoring result indicates that the safety risk exists in the air heating element, immediately prohibiting the air heating element from working.
2. The vehicle air heating monitoring method according to claim 1, wherein when the current operation phase is a start-up and self-test phase, the current operation information includes blower self-test information, wherein the blower is used for blowing heat generated by the air heating element into the vehicle, and the blower self-test information includes blower rotation speed information and blower operation voltage information; And in the current working stage, based on the stage operation information, acquiring a safety monitoring result of the air heating element, wherein the safety monitoring result comprises the following steps: and in the starting and self-checking stage, if the blower rotation speed information does not accord with the rotation speed instruction or if the blower working voltage information does not accord with the voltage instruction, generating a first safety monitoring result that the air heating element has safety risk.
3. The vehicle air heating monitoring method according to claim 1, wherein when the current operation phase is a heating request phase, the current operation information includes communication operation information including a power domain controller life signal, power supply operation information including a windshield operation gear and blower failure information, and sensor operation information including information acquired based on an air heating element temperature sensor, an air heating element air outlet temperature sensor, an ambient temperature sensor, and a cold and hot air door position sensor; And in the current working stage, based on the stage operation information, acquiring a safety monitoring result of the air heating element, wherein the safety monitoring result comprises the following steps: And in the heating request stage, if at least one of the communication work information, the power supply work information and the sensor work information does not accord with the preset rule of the heating request stage, generating a first safety monitoring result that the air heating element has safety risk.
4. The vehicle air heating monitoring method according to claim 1, wherein when the current working phase is an enabling control phase, the current operation information includes communication working information, power supply working information and sensor working information, the communication working information includes a heating request control instruction received by a power domain controller and an air conditioner controller life signal, the power supply working information includes a whole vehicle power supply working gear, a power battery remaining capacity, a power battery management system working state, whole vehicle high-voltage system fault information, air heating element fault information and whole vehicle low-voltage power supply voltage, and the sensor working information includes blower rotation speed information and blower working voltage information; And in the current working stage, based on the stage operation information, acquiring a safety monitoring result of the air heating element, wherein the safety monitoring result comprises the following steps: And in the enabling control stage, if at least one of the communication work information, the power supply work information and the sensor work information does not accord with the preset rule of the enabling control stage, generating a first safety monitoring result that the air heating element has safety risk.
5. The vehicle air heating monitoring method of claim 1, wherein the current operating information includes an element real-time temperature of the air heating element when the current operating phase is a temperature control and power adjustment phase; And in the current working stage, based on the stage operation information, acquiring a safety monitoring result of the air heating element, wherein the safety monitoring result comprises the following steps: and in the temperature control and power adjustment stage, if the real-time temperature of the element is greater than a temperature threshold value, generating a first safety monitoring result that the air heating element has safety risks.
6. The method for monitoring the air-heating of the vehicle according to claim 1, wherein the step of acquiring the safety monitoring result of the air-heating element based on the phase operation information in the current working phase further comprises: and if the safety monitoring result indicates that the air heating element has no safety risk, entering the next working stage of the air heating element.
7. The method for monitoring the air-heating of the vehicle according to claim 1, wherein the step of acquiring the safety monitoring result of the air-heating element based on the phase operation information in the current working phase further comprises: If the safety monitoring results obtained in each working stage entering one by one indicate that the air heating element has no safety risk, acquiring the latest health state value of the air heating element based on the stage operation information corresponding to each working stage; And adjusting preset rules for judging whether the safety risk exists in the air heating element in each working stage based on the latest health state value.
8. A vehicle, the vehicle comprising a wind-warm heating element; the vehicle adopts the vehicle air heating monitoring method according to any one of claims 1-7 to control the working state of the air heating element.
9. An electronic device is characterized by comprising a memory and a processor; the memory is connected with the processor and used for storing programs; The processor is configured to implement the vehicle air-heating monitoring method according to any one of claims 1 to 7 by running a program in the memory.
10. A computer program product comprising computer program instructions; The computer program instructions, when executed by a processor, cause the processor to perform the vehicle wind warm monitoring method of any one of claims 1-7.

Description

Vehicle air heating monitoring method, vehicle, equipment and program product Technical Field The application relates to the technical field of vehicles, in particular to a vehicle air heating monitoring method, a vehicle, equipment and a program product. Background The positive temperature coefficient thermistor (Positive Temperature Coefficient, PTC) has the characteristic of automatic constant temperature heating. When the temperature rises, the resistance value also rises, so that the current and the heating value are automatically limited, overheating is avoided, and the device has the characteristics of safety, energy conservation and high efficiency. In a new energy vehicle such as an electric vehicle, a wind warm PTC generally refers to a warm air system using a PTC ceramic element as a heat source in a vehicle heater. The PTC element heats and blows out air after heating, so as to provide a heating function for the vehicle cockpit. The PTC is essentially a high power heating wire/ceramic body. The operating temperature is very high (surface temperatures can reach 150-200 ℃ and even higher). However, if the air conditioner has the faults of air blower stalling, air duct blockage, temperature control switch failure, abnormal communication and the like, the temperature of the core body of the PTC heater is abnormally increased and exceeds the safety limit value, the risk of igniting surrounding parts exists, and the safety of a vehicle is seriously threatened. Therefore, how to ensure the safety of the air heating element such as the PTC and avoid the problems such as PTC dry burning becomes an important subject. Disclosure of Invention Based on the defects and shortcomings of the prior art, the application provides a vehicle air heating monitoring method, a vehicle, equipment and a program product, which can monitor all phases of the working process of an air heating element in all directions, and can prohibit the air heating element from working in time when a safety risk is found in any working phase, so that the safety of the air heating element is improved. According to the first aspect of the application, a vehicle air heating monitoring method is provided, wherein when a vehicle air heating element enters a current working stage, current operation information of the air heating element in the current working stage is acquired, the working process of the air heating element comprises at least one working stage which is one by one, the current working stage is any one of the working stages which is currently carried out, in the current working stage, based on the stage operation information, a safety monitoring result of the air heating element is acquired, the safety monitoring result is used for indicating whether safety risks exist in the operation process of the air heating element, and if the safety monitoring result indicates that the safety risks exist in the air heating element, the air heating element is immediately forbidden to work. According to the vehicle air heating monitoring method provided by the first aspect of the application, when the current working stage is a starting and self-checking stage, the current operation information comprises air blower self-checking information, wherein the air blower is used for blowing heat generated by the air heating element into the vehicle, the air blower self-checking information comprises air blower rotating speed information and air blower working voltage information, and the safety monitoring result of the air heating element is obtained based on the stage operation information in the current working stage, and the method comprises the step of generating a first safety monitoring result of the air heating element with safety risk if the air blower rotating speed information does not accord with a rotating speed instruction or if the air blower working voltage information does not accord with a voltage instruction in the starting and self-checking stage. According to the vehicle air heating monitoring method provided by the first aspect of the application, when the current working stage is a heating request stage, the current operation information comprises communication working information, power supply working information and sensor working information, the communication working information comprises a power domain controller life signal, the power supply working information comprises a windshield working gear and blower fault information, the sensor working information comprises information acquired based on an air heating element temperature sensor, an air heating element air outlet temperature sensor, an environment temperature sensor and a cold and hot air door position sensor, and in the current working stage, based on the stage operation information, a safety monitoring result of the air heating element is acquired, wherein in the heating request stage, if at least one of the communication working information, the power supply wor