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Heating control method and device and air conditioner

A control method and technology for air conditioners, which are applied in the directions of space heating and ventilation control input, heating mode, space heating and ventilation, etc., can solve the problems of slow heating and uncomfortable heating of air conditioners, and achieve enhanced heating. performance, the effect of improving the heating operation performance

Active Publication Date: 2017-08-22
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2
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AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a heating control method and control device for an air conditioner, which can solve the problem of uncomfortable heating caused by slow heating of existing air conditioners

Method used

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  • Heating control method and device and air conditioner
  • Heating control method and device and air conditioner
  • Heating control method and device and air conditioner

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0042] See figure 1 , which is a flowchart of an embodiment of the heating control method based on the present invention.

[0043] Such as figure 1 As shown, the specific process of realizing heating control in this embodiment is as follows:

[0044] Step 11: The air conditioner operates in heating mode, acquires the indoor temperature, and compares the indoor temperature with the first indoor temperature threshold.

[0045] Specifically, the indoor temperature refers to the indoor temperature of the room where the air conditioner is located, which is acquired in real time according to a set frequency when the air conditioner is turned on and running in a heating mode. Acquisition of the indoor temperature can be achieved using existing technolo...

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Abstract

The invention discloses a heating control method and device and an air conditioner. The heating control method comprises the steps that after the air conditioner operates in a heating mode, the indoor temperature is obtained and compared with a first indoor temperature threshold value; if the indoor temperature is not higher than the first indoor temperature threshold value, dual PID control is executed, specifically, the temperature difference between the indoor temperature and a set target indoor temperature is calculated, so that an indoor temperature difference is obtained, and a first target frequency is obtained by conducting indoor temperature PID operation according to the indoor temperature difference; the temperature difference between the coil pipe temperature and a set target coil pipe temperature is calculated, so that a coil pipe temperature difference is obtained, and a second target frequency is obtained by conducting coil pipe temperature PID operation according to the coil pipe temperature difference; the larger one of the first target frequency and the second target frequency is selected to serve as the indoor unit frequency for controlling a compressor of the air conditioner; and electric heating is controlled according to the coil pipe temperature while dual PID control is conducted. By applying the heating control method and device and the air conditioner, the problem of heating discomfort caused by slow heating of an existing air conditioner can be solved.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, in particular relates to an air conditioner and its control, more specifically relates to a heating control method, a control device and an air conditioner. Background technique [0002] In the cold winter, air conditioners are the main way of heating in areas without heating conditions or in cold weather where heating is stopped. [0003] During the heating operation of the existing air conditioners, the frequency of the compressor is controlled according to the difference between the indoor temperature and the set indoor target temperature. If the frequency of the compressor obtained according to the difference between the indoor temperature and the set indoor target temperature is not large enough, the indoor temperature will rise slowly, and the indoor temperature will still be low for a long time after starting up, which cannot make people feel comfortable quickly, especially in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/64F24F11/83F24F2110/10
Inventor 刘聚科徐贝贝许国景吕兴宇
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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