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Data transmission method for wire controller of air conditioner

A data transmission method and wire controller technology, applied in mechanical equipment and other directions, can solve problems such as easy analysis of interference signals, unstable communication, etc., to achieve the effect of convenient use, improved universality, and reduced debugging process.

Active Publication Date: 2021-02-23
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the wire controller of the existing air conditioner is easy to analyze the interference signal and the communication is unstable when analyzing the data returned by the indoor unit, the present invention provides a The data transmission method of the wire controller of the air conditioner, the data transmission method includes: analyzing and storing the return data of the indoor unit every preset time; storing any one of the stored data within the preset time period The data is used as the data returned by the indoor unit, wherein the preset time period is located in the latter part of the data receiving cycle of the wire controller

Method used

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  • Data transmission method for wire controller of air conditioner
  • Data transmission method for wire controller of air conditioner
  • Data transmission method for wire controller of air conditioner

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Embodiment approach

[0051]See againimage 3,image 3It is a detailed flow chart of the data transmission method for the wire controller of the air conditioner of the present invention. Such asimage 3As shown, the preferred embodiment of the present invention includes the following steps:

[0052]Step S100: Obtain the falling edge signal of the zero-crossing pulse signal;

[0053]Step S101: Determine whether the falling edge signal of the zero-crossing pulse signal is acquired, if the falling edge signal of the zero-crossing pulse signal is acquired, go to step 102, otherwise return to step S100;

[0054]Step S102: Detect whether the pulse width of the pulse signal of the data received by the wire controller within the set time is not less than the set pulse width, and detect whether the pulse level of the pulse signal of the data received by the wire controller within the set time is stable;

[0055]Step S103: In the case that the pulse width of the pulse signal is not less than the set pulse width and the pulse lev...

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Abstract

The invention belongs to the technical field of air conditioners, and particularly relates to a data transmission method for a wire controller of an air conditioner. The invention aims to solve the problems that a wire controller of an existing air conditioner is easy to analyze an interference signal when analyzing data returned by an indoor unit, and the communication is unstable. In order to achieve the purpose, the data transmission method for the wire controller of the air conditioner provided by the invention can prevent the wire controller from communicating with the indoor unit based on the interference signal in a mode of judging stability in advance and avoiding a high-occurrence section of the interference signal to process reply data, so that the situation that the communication between the wire controller and the indoor unit fails due to the fact that the communication is conducted based on the interference signal is avoided, the stability of the communication between thewire controller and the indoor unit is improved, and the air conditioner can run more reliably.

Description

Technical field[0001]The present invention belongs to the technical field of air conditioners, and more particularly to a data transmission method for a wire controller for an air conditioner.Background technique[0002]The air conditioner's wire controller and the indoor unit will issue and return data so that the wire control can obtain the operating parameters of the indoor unit to control the indoor operation.[0003]The data is transmitted between the wire control and the indoor unit. The structural drawback of the above data transmission system is that if the number of indoor machines controlled by the line control is much more, the distance between the different indoor units is far, the communication extension line is longer, and the voltage on the communication line cannot be completely released. A interference signal is formed during the data transfer process. In addition, because the main chip type number of the thread is different, the voltage value of the parsing judgment da...

Claims

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Application Information

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IPC IPC(8): F24F11/56F24F11/61F24F11/64
CPCF24F11/56F24F11/61F24F11/64
Inventor 李莎徐艳丽陈九龙赵永俊时斌
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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