Variable-refrigerant-flow protocol conversion control method, device and system and air conditioning system

A protocol conversion and control method technology, which is applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve the problems of low development efficiency and poor versatility of internal units, so as to improve development efficiency and use effect , the effect of improving the versatility

Inactive Publication Date: 2020-02-07
NINGBO AUX ELECTRIC
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] In order to solve the technical problems of low development efficiency and poor versatility of the current multi-connected air-conditioning sy

Method used

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  • Variable-refrigerant-flow protocol conversion control method, device and system and air conditioning system
  • Variable-refrigerant-flow protocol conversion control method, device and system and air conditioning system
  • Variable-refrigerant-flow protocol conversion control method, device and system and air conditioning system

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Embodiment Construction

[0047] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0048] Such as figure 1 As shown, the current multi-connected air-conditioning system includes multi-connected outdoor units and multiple multi-connected indoor units, such as air ducts, hangers and wall hangings, etc. Taking four indoor units as an example, the four indoor units are connected to each other through branch pipes. Multi-line external machine connection. The refrigerant can flow from the multi-connected external unit to each internal unit in the direction indicated by the arrow in the figure, and each internal unit adjusts the received refrigerant flow through EXV (electronic expansion valve).

[0049] Since the multi-connected internal unit and the unit internal unit are developed successively on the same platform (the mult...

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Abstract

The invention provides a variable-refrigerant-flow protocol conversion control method, device and system and an air conditioning system. The method comprises the following steps of receiving inner unit signals from inner units, and determining an inner unit communication protocol executed by the inner unit signals; when the inner unit communication protocol is different from an outer unit communication protocol, converting the communication protocol executed by the inner unit signals into the outer unit communication protocol; sending the inner unit signals converted through the communicationprotocol to variable refrigerant flow outer units. By means of the variable-refrigerant-flow protocol conversion control method device and system and the air conditioning system, the universality of the variable-refrigerant-flow air conditioning system can be improved, and the development efficiency and the using effect on the air conditioning system can also be improved.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to a multi-connection protocol conversion control method, device, system and air conditioning system. Background technique [0002] In recent years, the market share of multi-connected air-conditioning systems has been increasing. It usually includes multiple outdoor units and multiple multi-internal units, which are connected through branch pipes. [0003] Generally, the multi-connected internal unit is based on the unit internal unit, adding electronic expansion valve components, inlet pipe temperature sensing package and output pipe temperature sensing package, etc., and replacing the corresponding control board, which belongs to the same platform development. The multi-connection uses the RS485 communication protocol, and the unit machine uses the L / N communication protocol. [0004] Because there are many types of unit indoor units (air ducts, seat hangers, w...

Claims

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Application Information

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IPC IPC(8): F24F11/30F24F11/58F24F11/64F24F11/83F24F11/88F24F140/20
CPCF24F11/30F24F11/58F24F11/64F24F11/83F24F11/88F24F2140/20
Inventor 刘永超章秋平刘合心黄春程相欣
Owner NINGBO AUX ELECTRIC
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