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Automobile air-conditioning blower fault detection method and device

A fault detection, automotive air conditioning technology, applied in mechanical equipment, machines/engines, non-variable-capacity pumps, etc., can solve problems such as high cost and large blower detection errors, and achieve the goal of reducing errors, improving accuracy, and reducing costs. Effect

Active Publication Date: 2022-01-11
JIANGSU ROTHWELL ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problem of large error and high cost in the fault detection of the air conditioner controller blower, the embodiment of the present application provides a method and device for fault detection of the blower of the automobile air conditioner, which improves the accuracy of fault detection of the blower and reduces the cost of fault detection of the blower

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  • Automobile air-conditioning blower fault detection method and device
  • Automobile air-conditioning blower fault detection method and device
  • Automobile air-conditioning blower fault detection method and device

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Embodiment Construction

[0052] The present application will be further introduced below in conjunction with the accompanying drawings and embodiments.

[0053]In the following introduction, the terms "first" and "second" are only used for the purpose of description, and should not be understood as indicating or implying relative importance. The following description provides multiple embodiments of the present invention, and different embodiments can be replaced or combined in combination, so this application can also be considered to include all possible combinations of the same and / or different embodiments described. Thus, if one embodiment contains features A, B, C, and another embodiment contains features B, D, then the application should also be considered to include all other possible combinations containing one or more of A, B, C, D Although this embodiment may not be clearly written in the following content.

[0054] The following description provides examples, and does not limit the scope, ...

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Abstract

In order to solve the problem of large fault detection error and high cost of the current air-conditioning controller blower fault, the present invention provides a method and device for fault detection of an automotive air-conditioning blower. The method includes collecting the voltage of each speed regulating resistor separately to obtain the blower voltage ; Comparing the voltage of the blower with a preset voltage, if the preset condition is met, the blower is normal; if the preset condition is not met, the blower is faulty. The application improves the accuracy of blower fault detection and reduces the cost of blower fault detection.

Description

technical field [0001] The invention relates to the field of fault detection, in particular to a fault detection method and device for an automobile air-conditioning blower. Background technique [0002] With the development of electronic technology, modern car air conditioners have been controlled by computers. The perfect automobile computer-controlled air-conditioning system can automatically adjust the temperature, humidity, cleanliness, air volume and wind direction of the air inside the car, providing passengers with a good riding environment and ensuring that passengers All in a comfortable air environment. [0003] The automatic adjustment function of automobile air conditioner includes automatic adjustment of temperature and humidity in the car, automatic control of return air and air supply mode, operation mode and ventilation volume control and other control functions. The electronic control unit will make the air-conditioning system run automatically according ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D27/00
CPCF04D27/001F04D27/004F04D27/008
Inventor 周祥东陶如飞张东方
Owner JIANGSU ROTHWELL ELECTRIC