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Air conditioner, communication control method and device thereof and electronic device

A communication control and air conditioner technology, applied in lighting and heating equipment, heating and ventilation control systems, mechanical equipment, etc., can solve problems such as communication failure of indoor and outdoor units, insufficient power supply voltage of air conditioner current loop, etc., to maintain communication power supply voltage , reduce the power discharge time, and ensure the effect of successful communication

Active Publication Date: 2019-08-27
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the power grid is in a low voltage state, the air conditioner will have insufficient current loop power supply voltage, which will cause communication failure between indoor and outdoor units

Method used

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  • Air conditioner, communication control method and device thereof and electronic device
  • Air conditioner, communication control method and device thereof and electronic device
  • Air conditioner, communication control method and device thereof and electronic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] figure 1 It is a flow chart of the communication control method for the air conditioner according to Embodiment 1 of the present application.

[0041] In one embodiment of this application, as figure 2 As shown, the communication circuits of the indoor unit and the outdoor unit involved in the communication control method of the air conditioner in the embodiment of the present application mainly include: an outdoor communication circuit 10 and an indoor communication circuit 20 .

[0042]Specifically, the outdoor communication circuit 10 may include: multiple resistors (such as resistors R20-R27), multiple capacitors (such as capacitors C21-C24), multiple diodes (such as diodes D20 and D3), multiple photocouplers (such as Photocoupler IC20 and IC21), common mode inductor L2 and transistor Q101 and other components. The indoor communication circuit 20 may include: multiple resistors (such as resistors R1-R11), multiple capacitors (such as capacitors C21-C24), electrol...

Embodiment 2

[0069] Figure 5 It is a schematic block diagram of a communication control device for an air conditioner according to Embodiment 2 of the present application.

[0070] Such as Figure 5 As shown, the communication control device for an air conditioner of the present application may include: a first acquisition module 501 , a second acquisition module 502 and an adjustment module 503 .

[0071] Wherein, the first obtaining module 501 is used for obtaining the input AC voltage in the air conditioner. The second obtaining module 502 is used to obtain the magnitude relationship between the input AC voltage and the preset voltage threshold. The adjustment module 503 is used to adjust the communication parameters between the indoor unit and the outdoor unit in the air conditioner according to the magnitude relationship between the input AC voltage and the preset voltage threshold.

[0072] In an embodiment of the present application, the adjustment module 503 is further configur...

Embodiment 3

[0089] Based on the same idea, the embodiment of the present application also provides an air conditioner corresponding to the device in the second embodiment, see the third embodiment.

[0090] Image 6 It is a schematic block diagram of the air conditioner in Embodiment 3 of the present application.

[0091] Such as Image 6 As shown, the air conditioner 600 in the embodiment of the present application may include: the above-mentioned communication control device 500 for the air conditioner.

[0092] The above-mentioned technical solutions in the embodiments of the present application have at least the following technical effects or advantages:

[0093] 1. Dynamically adjust the communication interval between the indoor unit and the outdoor unit according to the input AC voltage, so as to make up for the shortage of input AC voltage reduction caused by the decrease of the grid voltage, and effectively prevent the indoor and outdoor units of the air conditioner from occurri...

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Abstract

The invention discloses an air conditioner, a communication control method and device thereof and an electronic device. The method comprises the steps of acquiring the input AC voltage of the air conditioner; acquiring the relation between the input AC voltage and a first preset voltage threshold value; and regulating communication parameters between an air conditioner indoor unit and an outdoor unit according to the relation between the input AC voltage and the first preset voltage threshold value. Through the control method provided by the invention, the defect that the input AC voltage is reduced due to reduction of voltage of a power grid can be made up; the problem of abnormal communication of the air conditioner indoor unit and the outdoor unit under the low voltage of the power gridis effectively prevented; and accordingly, the air conditioner can operate normally at low voltage.

Description

technical field [0001] The present application relates to the technical field of air conditioners, in particular to an air conditioner and its communication control method, device and electronic equipment. Background technique [0002] At present, the communication method between the indoor unit and the outdoor unit of the inverter air conditioner generally adopts the current loop for real-time communication, and the communication between the indoor unit and the outdoor unit generally uses fixed communication parameters in the master-slave mode. When the power grid is in a low-voltage state, the air conditioner will have insufficient current loop power supply voltage, which will cause communication failures between indoor and outdoor units. Contents of the invention [0003] This application aims to solve one of the technical problems in the related art at least to a certain extent. [0004] Therefore, the first purpose of this application is to provide an air conditioner...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/54F24F11/58F24F11/61F24F11/64F24F11/88F24F140/50
CPCF24F11/54F24F11/58F24F11/61F24F11/64F24F11/88F24F2140/50
Inventor 向兴华李洪涛
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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