Air conditioner water pump control device and method

A control device and water pump technology, applied in pump control, pump testing, liquid variable capacity machinery, etc., can solve the problems of poor control reliability of water pump and short service life of water pump, and achieve the effect of improving reliability and prolonging service life.

Active Publication Date: 2020-01-17
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the objectives of the present invention is to provide an air-conditioning water pump control device, which is used to solve the problems of short service life of the water pump and poor control reliability of the water pump in the existing air conditioner

Method used

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  • Air conditioner water pump control device and method
  • Air conditioner water pump control device and method
  • Air conditioner water pump control device and method

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] In order to realize the detection of the water level in the docking water tray, avoid the water pump from running all the time, and improve the reliability of the water level detection and the operation reliability of the water pump, such as figure 1 As shown, the present invention relates to an air-conditioning water pump control device, c...

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Abstract

The invention relates to an air conditioner water pump control device and method. The control device comprises a main controller, an ultrasonic level gauge, a water pump and a water pump operation detection circuit. The ultrasonic level gauge internally comprises a relay, the output end of the water pump operation detection circuit is connected with the main controller, a first signal is output when the water pump is started up, and a second signal is output when the water pump is shut down; the live line input end of the water pump and the live line input end of the water pump operation detection circuit are both connected with a power live line through a normally-open contact of the relay, the zero line input end of the water pump and the zero line input end of the water pump operation detection circuit are both connected with a power zero line, and when the ultrasonic level gauge detects that the water level in a water collection disc exceeds a set threshold value, the relay is powered on; the main controller controls an air conditioner to be shut down according to the first signal when the water pump operates abnormally. The air conditioner water pump control device and methodare used for solving the problems that an existing air conditioner is short in service life and has poor reliability of controlling the water pump.

Description

technical field [0001] The invention belongs to the technical field of air conditioners, and in particular relates to an air conditioner water pump control device and a control method. Background technique [0002] When the air conditioner is in the cooling and dehumidification mode, a certain amount of water will be deposited in the water receiving tray, and a drainage pump is needed to discharge it outdoors. At present, the water level switch of the air conditioner and the water pump are generally used to drain the indoor unit of the air conditioner. individual control. Usually in cooling mode, even if the water level does not exceed the predetermined water level, the water pump will always be in working condition. Only when the float water level switch sends out an alarm signal, the air conditioner will control the water pump to run for a certain period of time and then shut down the water pump. [0003] Because the air conditioner does not control the running state of t...

Claims

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Application Information

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IPC IPC(8): F04B49/06F04B49/10F04B51/00F24F11/65
CPCF04B49/06F04B49/10F04B51/00F24F11/65
Inventor 张金瑞张新建赵海潞
Owner HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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