Communications relay device, method and air conditioner

A relay device and communication technology, which is applied in heating methods, space heating and ventilation, heating and ventilation control systems, etc., can solve the problems of unsatisfactory long-distance communication between internal and external air conditioners, and achieve the effect of ensuring reliability.

Active Publication Date: 2017-03-29
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the embodiment of the present invention, a communication relay device, method and air conditioner are provided to solve the pro

Method used

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  • Communications relay device, method and air conditioner
  • Communications relay device, method and air conditioner
  • Communications relay device, method and air conditioner

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Figure 4 is a structural block diagram of a communication relay device according to an embodiment of the present invention, such as Figure 4 As shown, the communication relay device includes: a main control chip, an internal machine communication module, and an external machine communication module; wherein, the internal machine communication module is connected to the outdoor machine through the communication line COM-A; the external machine communication module is connected to the internal machine The communication module is connected to the indoor unit through the communication line COM-B; the main control chip is connected to the communication module of the indoor unit and the communication module of the outdoor unit, and is used to establish the outdoor unit by controlling the communication module of the indoor unit and the communication module of the outdoor unit. Data transmission channel with indoor unit.

[0033] The internal machine communication module inc...

Embodiment 2

[0041] Figure 8 is a flowchart of a communication relay method according to an embodiment of the present invention, such as Figure 8 As shown, the method includes the following steps (step S801-step S802):

[0042] Step S801, establishing a data transmission channel between the outdoor unit and the indoor unit through the communication relay device;

[0043] Step S802, performing data communication between the outdoor unit and the indoor unit through the data transmission channel.

[0044] Through this embodiment, the communication relay device can be used in multiple cascades and installed between the indoor and outdoor units, so as to flexibly realize the long-distance communication between the air-conditioning frequency conversion indoor and outdoor units, ensure the reliability of long-distance communication, and realize Installation of super long connecting pipes for indoor and outdoor units.

[0045] The communication relay device in this embodiment includes a main ...

Embodiment 3

[0050] Figure 9 is a control flow diagram of a communication relay device according to an embodiment of the present invention, such as Figure 9 As shown, the process includes the following steps (step S901-step S907):

[0051] In step S901, the communication relay module is powered on, the main control chip is powered on, and the program initialization setting is performed.

[0052] Step S902, the serial communication port UART2-RX of the main control chip is set as an ordinary output port, outputs a high level, opens the channel of the internal machine communication module of the communication relay device, and waits to transmit the communication data of the outdoor unit (communication host), The transmission path of communication data is: outdoor unit (communication host) → internal unit communication module → external unit communication module → indoor unit;

[0053] In step S903, the serial communication port UART1-RX of the main control chip is set as a serial input p...

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PUM

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Abstract

The invention discloses a communications relay device, a communications relay method and an air conditioner. The communications relay device comprises a main control chip, an indoor unit communication module and an outdoor unit communication module, wherein the indoor unit communication module is connected with an outdoor unit through a communication line; the outdoor unit communication module is connected with the indoor unit communication module, and is connected with an indoor unit through a communication line; the main control chip is connected with the indoor unit communication module and the outdoor unit communication module, and is used for controlling the indoor unit communication module and the outdoor unit communication module to establish a data transmission channel between the outdoor unit and the indoor unit. Through the communications relay device, the communications relay method and the air conditioner, a plurality of communications relay devices can be cascaded for use, so that long-distance communication between the indoor unit and the outdoor unit of a variable frequency chamber of the air conditioner is realized flexibly; the reliability of long-distance communication is ensured; the mounting of a super-long connecting pipe of the indoor unit and the outdoor unit can also be realized.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to a communication relay device, a method and an air conditioner. Background technique [0002] At present, most of the communication between the internal and external units of the mainstream household frequency conversion split air conditioners on the market adopts the current loop communication method for the neutral line. figure 1 It is the structural diagram of the air conditioner communication system according to the related technology, such as figure 1 As shown, the frequency conversion indoor unit and the frequency conversion external unit are connected by three wires: live wire (AC-L), neutral wire (AC-N), and communication wire (COM). figure 2 It is the structural diagram of the internal and external machine communication loop according to the related technology, such as figure 2 As shown, the communication loop structure is a current loop formed by the...

Claims

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Application Information

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IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/54F24F11/56F24F11/62
Inventor 庞伟华洪香宋德超
Owner GREE ELECTRIC APPLIANCES INC
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