Data transmission device and method, control device and electrical equipment

A technology of data transmission device and electrical equipment, applied in the field of data transmission, can solve the problems of conduction interference and lack of low cost, and achieve the effect of avoiding radiation interference, low cost, and avoiding conduction interference

Pending Publication Date: 2022-03-15
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a data transmission device, method, control device and electrical equipment to solve the problem that the prior art lacks a low-cost solution to conduction interference

Method used

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  • Data transmission device and method, control device and electrical equipment
  • Data transmission device and method, control device and electrical equipment
  • Data transmission device and method, control device and electrical equipment

Examples

Experimental program
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Embodiment

[0036] refer to figure 1 , figure 1 It is a schematic structural diagram of a data transmission device provided in an embodiment of the present application. Such as figure 1 As shown, the data transmission device of this embodiment includes: an isolation device and a sending device and a receiving device arranged inside the isolation device;

[0037] Wherein, the sending device and the receiving device establish a wireless physical connection;

[0038] The sending device is used to send a specific form of communication data to the receiving device based on the control signal generated by the data sending end; wherein, the data sending end generates different control signals according to different communication data to be transmitted, and the specific form of communication data does not cause electromagnetic waves. interference;

[0039] The receiving device is used to obtain communication data in a specific form, and convert the communication data in a specific form into c...

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PUM

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Abstract

The invention relates to a data transmission device and method, a control device and electrical equipment. Through a sending device and a receiving device in the data transmission device, data needing to be transmitted by a data sending end can be firstly converted into communication data in a specific form which does not cause electromagnetic interference, then the communication data are transmitted in a non-contact form, and finally the communication data in the specific form are converted into communication data which can be identified by a data receiving end. Conduction interference in the wired transmission process is avoided in a non-contact mode, and radiation interference in the traditional wireless transmission process is avoided. Moreover, compared with optical fiber transmission, the scheme provided by the invention is relatively low in cost.

Description

technical field [0001] The present application relates to the technical field of data transmission, and in particular to a data transmission device, method, control device and electrical equipment. Background technique [0002] Due to the existence of variable frequency compressors and variable frequency fans in air conditioners, EMC (Electromagnetic Compatibility, electromagnetic compatibility) rectification has always been a difficult point in the industry. Especially for some special air conditioners, the requirements for electromagnetic compatibility are more stringent. [0003] In many electromagnetic compatibility projects, conduction interference has always been the focus of rectification, especially the conduction interference from the variable frequency drive board in the air conditioner to the control board. That is, since the variable frequency drive board needs to communicate with the control main board, the electromagnetic interference generated by the variable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C23/04G08C23/02F24F11/50
CPCG08C23/04G08C23/02F24F11/50G08C2201/40
Inventor 孙金涛钟金扬刘琛华王伟华滕泽宇
Owner GREE ELECTRIC APPLIANCES INC
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