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Self-inspection method, self-inspection device for air conditioner and air conditioner

An air conditioner and temperature change rate technology, which is applied in the control input, heating method, space heating and ventilation related to air characteristics, etc., can solve the problems of inaccurate and untimely self-checking, and ensure accuracy and stability. Effect

Pending Publication Date: 2019-09-17
NINGBO AUX ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The self-inspection of existing air conditioners generally judges whether the air-conditioning system is normal through current and temperature. The judgment often uses a single temperature point and current to jointly determine, and there are phenomena such as inaccurate or untimely self-inspection.

Method used

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Embodiment Construction

[0062] In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0063] The self-check of the existing air conditioner generally judges whether the operation of the air conditioning system is normal through the temperature, or further combined with the current. However, it fails to combine the operation scene of the air conditioner, and there are phenomena such as inaccurate and untimely self-checking. For example, when it is determined by the temperature value that the air conditioner operates abnormally, its temperature value is already within the abnormal range. When the rate of change of the detected temperature (such as the temperature of the coil) is abnormal, even if the real-time temperature is not abnormal, it will soon enter the abnormal temperature state in the future. The self-checkin...

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Abstract

The invention discloses a self-inspection method, a self-inspection device for an air conditioner and the air conditioner and relates to the technical field of air conditioners. The self-inspection method for the air conditioner comprises the following steps: acquiring a temperature change rate of a coil of the air conditioner; and judging the operating condition of the air conditioner according to a relationship between the temperature change rate and a preset change rate and duration. By judging the operating condition of the air conditioner by means of the temperature change rate of the coil, a temperature jump of the coil can be obtained, so that abnormality of the air conditioner can be found and removed immediately without judging the operating abnormality of the air conditioner when the temperature of the coil of the air conditioner reaches the abnormal temperature. In addition, compared with a condition of judging the operating condition of the air conditioner by acquiring the single temperature value, the operating condition of the air conditioner is judged more accurately favorably by feeding back the temperature trend information of the coil of the air conditioner by acquiring the coil temperature change rate. The self-inspection device for the air conditioner and the air conditioner are used for implementing the method, so that the self-inspection device has the same beneficial effect.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, and in particular, to an air conditioner self-checking method and device, and an air conditioner. Background technique [0002] During the initial period of time when the air conditioner is turned on, it often conducts a self-check on the operation status of the air conditioner to find out the abnormal operation. The self-inspection of existing air conditioners generally uses current and temperature to determine whether the air-conditioning system is normal. The determination is often made by using a single temperature point and current to determine whether the self-inspection is inaccurate or untimely. SUMMARY OF THE INVENTION [0003] The problem solved by the present invention is how to make the self-check of the air conditioner accurate and timely. [0004] In order to solve the above problems, the present invention provides a self-checking method for an air conditioner, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/49F24F11/64F24F11/70F24F11/88F24F140/20F24F110/10
CPCF24F11/49F24F11/64F24F11/70F24F11/88F24F2110/10F24F2140/20
Inventor 谢任强秦宪
Owner NINGBO AUX ELECTRIC
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