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

A communication control and air conditioner technology, which is applied in the direction of mechanical equipment, etc., can solve problems such as insufficient current loop power supply voltage, misleading users and maintenance personnel, and abnormal communication between indoor and outdoor units, so as to avoid waste of human and financial resources and improve The effect of experience

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 voltage is low to a certain extent, the air conditioner will have insufficient current loop power supply voltage, resulting in abnormal communication between the indoor unit and outdoor unit, and a communication failure reminder will be reported. The communication between the indoor unit and the outdoor unit is normal, but because the grid voltage is relatively low

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] figure 1 It is a flow chart of the communication control method for the air conditioner according to Embodiment 1 of the present application.

[0040] 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 .

[0041]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...

example 1

[0064] Example 1: When the first communication parameter includes the first communication interval and the second communication parameter includes the second communication interval, the communication interval is the interval for transmitting adjacent data frames, and the first communication interval and the second communication interval can be determined according to the actual situation Calibration is performed, and the first communication interval is greater than the second communication interval. For example, the value of the first communication interval can be in the range of [1ms, 100s], the value of the second communication interval can be in the range of [1ms, 100s]; as another example, the value of the first communication interval can be in the range of [1ms] , 10s], the value of the second communication interval may be in the range of [1ms, 10s].

[0065] Specifically, such as image 3 As shown, 103 is the sequence diagram of the communication start between the indoo...

example 2

[0066]Example 2: When the first communication parameter includes the first baud rate and the second communication parameter includes the second baud rate, the first baud rate and the second baud rate can be calibrated according to the actual situation, and the first baud rate The rate is greater than the second baud rate. For example, the value of the first baud rate can be in the range of [10bps, 100Kbps], and the value of the second baud rate can be in the range of [10bps, 100Kbps]; The value of the first baud rate may be in the range of [100bps, 10Kbps], and the value of the second baud rate may be in the range of [100bps, 10Kbps].

[0067] Specifically, such as Figure 4 As shown, when the communication between the indoor unit and the outdoor unit is abnormal, the communication parameter is updated from the first baud rate to the second baud rate. In order to ensure the normal communication between the indoor unit and the outdoor unit, reduce the The baud rate of communic...

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Abstract

The application discloses an air conditioner and a communication control method and device thereof and electronic equipment. The method comprises the steps that an indoor unit and an outdoor unit of the air conditioner are controlled to communicate through a first communication parameter, wherein the first communication parameter is a communication parameter adopted when the input alternating current voltage of the air conditioner is smaller than a preset voltage threshold value; and detection is conducted, abnormal communications between the indoor unit and the outdoor unit are determined, apower supply of the outdoor unit and / or a communication power supply are controlled to restart, and communications continue according to the first communication parameter after the power supply is restarted. According to the control method, factors of abnormal communications between the indoor unit and the outdoor unit caused by low voltage can be considered, and accuracy of communication fault judgment is improved.

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 uses the current loop for real-time communication, and the communication between the indoor unit and the outdoor unit generally uses a fixed communication interval of the master-slave mode. When the power grid voltage is low to a certain extent, the air conditioner will have insufficient current loop power supply voltage, resulting in abnormal communication between the indoor unit and outdoor unit, and a communication failure reminder will be reported. The communication between the indoor unit and the outdoor unit is normal, but it is because the grid voltage is relatively low. Contents of the invention [0003] This a...

Claims

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Application Information

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IPC IPC(8): F24F11/32F24F11/58F24F11/64F24F11/70F24F11/54F24F11/61
CPCF24F11/32F24F11/54F24F11/58F24F11/61F24F11/64F24F11/70
Inventor 向兴华
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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