Temperature sensor fault detection method, detection device and multi-connected air conditioning system
A temperature sensor, sensor failure technology, applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as small size, temperature sensor failure, affecting system operation, etc.
Active Publication Date: 2020-04-17
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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Problems solved by technology
[0003] During the use of the indoor air conditioner, the temperature sensor will withstand some harsh conditions such as high temperature and condensed water immersion. It is very easy for the temperature sensor to fail and detect temperature deviation. Feedback to the outdoor air conditioner, the output of the outdoor air conditioner will be too large or too small, affecting the normal operation of the system
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[0058] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0059] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.
[0060] figure 1 A schematic flow chart showing a fault detection method for a temperature sensor according to an embodiment of the present invention
[0061] Such as figure 1 As shown, the fault d...
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The invention provides a fault detecting method and a detecting device of a temperature sensor and a multi-connected air conditioner system. The fault detecting method of the temperature sensor includes the following steps that when an indoor air conditioner is in a temperature adjusting operational mode, temperature values sensed by the temperature sensor are collected according to the preset collecting frequency; and when collecting quantity reaches a preset quantity threshold value, whether the temperature sensor is in a fault is determined according to the multiple collected temperature values, wherein the temperature sensor is an indoor temperature sensor and / or a tube temperature sensor. Through the technical scheme, the temperature sensor can be maintained or replaced in time when the fault of the temperature sensor is detected, abnormal output probability of an outdoor air conditioner is reduced, thus service life of the air conditioner system can be prolonged, and the comfort requirement of a user is improved.
Description
technical field [0001] The invention relates to the field of air conditioners, in particular to a temperature sensor fault detection method, a temperature sensor fault detection device and a multi-connected air conditioner system. Background technique [0002] In the related art, in the multi-connected air-conditioning system, the indoor air conditioner uses a temperature sensor to detect the temperature of the evaporator and feeds it back to the outdoor air conditioner, and the outdoor air conditioner determines the output according to the evaporator temperature fed back by the indoor air conditioner, so the indoor air conditioner The temperature detected by the temperature sensor of the air conditioner plays a vital role in the normal operation of the air conditioning system. [0003] During the use of the indoor air conditioner, the temperature sensor will withstand some harsh conditions such as high temperature and condensed water immersion. It is very easy for the tempe...
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IPC IPC(8): F24F11/38F24F11/64F24F11/61F24F11/89F24F11/52
Inventor 王茹翰许永锋梁伯启薛晓
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD