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Air conditioner heat exchange structure, air conditioner system, control method of air conditioner system and air conditioner indoor unit

A technology of heat exchange structure and air conditioning system, which is applied in the direction of air conditioning system, space heating and ventilation, space heating and ventilation details, etc. It can solve the problem that the operation effect of air conditioner cannot meet the comfort needs of users, and meet the needs of comfort Effect

Pending Publication Date: 2021-06-04
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide an air conditioner heat exchange structure, an air conditioner system and its control method, and an air conditioner inner unit to solve the problem in the prior art that the air conditioner operation effect cannot meet user comfort requirements due to the setting of the heat exchanger of the air conditioner inner unit

Method used

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  • Air conditioner heat exchange structure, air conditioner system, control method of air conditioner system and air conditioner indoor unit
  • Air conditioner heat exchange structure, air conditioner system, control method of air conditioner system and air conditioner indoor unit
  • Air conditioner heat exchange structure, air conditioner system, control method of air conditioner system and air conditioner indoor unit

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Embodiment 1

[0052] This embodiment provides a heat exchange structure for an air conditioner. The inner unit of the air conditioner includes: at least two heat exchange modules, and the series-parallel relationship between the at least two heat exchange modules can be adjusted. Specifically, the connection relationship (for example, series and / or parallel relationship) and the operation status (for example, cooling, heating, and stop operation) of the above-mentioned at least two heat exchange modules in the air-conditioning indoor unit can be determined according to the operation mode of the air-conditioning system. ), and realize the above-mentioned connection relationship and operating state by controlling the corresponding devices, so as to ensure the high efficiency of the operating mode and meet the comfort requirements of users.

[0053] The following describes specific implementations with the heat exchange structure located inside the air conditioner, and it is also applicable to ...

Embodiment 2

[0065] This embodiment provides an air conditioning system, including: at least one air conditioner internal unit and at least one air conditioner external unit, the air conditioner internal unit or the external unit includes the air conditioner heat exchange structure described in Embodiment 1 above. exist Figure 2 to Figure 8 Among them, the indoor side is the air conditioner internal unit, and the outdoor side is the air conditioner external unit.

[0066] In this embodiment, at least two heat exchange modules are installed in the heat exchange structure of the air conditioner. For the case of two heat exchange modules, the two heat exchange modules can be changed by controlling the first valve, the second valve, the third valve and the first throttling device. The connection relationship of the modules can realize the state change of the cooling and heating of the heat exchange module, so as to cooperate with the external unit of the air conditioner to ensure that the use...

Embodiment 3

[0072]In the third preferred embodiment of the present invention, a method for controlling an air-conditioning system is also provided. The internal unit of the air-conditioning system includes the air-conditioning heat exchange structure in the above-mentioned embodiment. Specifically, Figure 9 An alternative flowchart showing the method, such as Figure 9 As shown, the method includes the following steps S902-S906:

[0073] S902: Detect the operation mode of the air conditioning system;

[0074] S904: Determine the connection relationship and operating status of the first heat exchange module and the second heat exchange module according to the operation mode;

[0075] S906: Control the first valve, the second valve, the third valve, the first throttling device, and the second throttling device to perform corresponding operations according to the connection relationship and the operating state.

[0076] In the above embodiments, the heat exchange structure of the air con...

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Abstract

The invention discloses an air conditioner heat exchange structure, an air conditioner system, a control method of the air conditioner system and an air conditioner indoor unit. The air conditioner heat exchange structure comprises at least two heat exchange modules with adjustable series-parallel connection relation. The first end of the first heat exchange module is connected to the first end of the second heat exchange module through a first valve, and the first end of the first heat exchange module is further connected to a first connector of the air conditioner heat exchange structure; the second end of the first heat exchange module is connected to a second connector of the air conditioner heat exchange structure through a second valve; the second end of the first heat exchange module is further connected to the first end of the second heat exchange module through a third valve and a first throttling device in sequence; and the second end of the second heat exchange module is connected to a second connector of the air conditioner heat exchange structure. According to the air conditioner heat exchange structure, the at least two heat exchange modules are arranged, the connecting relation of the two heat exchange modules is changed by controlling the valves and the throttling devices, the refrigerating and heating state changes of the heat exchange modules can be achieved, and therefore it can be guaranteed that the comfort requirement of a user is met in different operation modes in cooperation with an outdoor unit.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner heat exchange structure, an air conditioner system and a control method thereof, and an air conditioner inner unit. Background technique [0002] At present, the air-conditioning system is mainly designed according to the cooling conditions. Generally, an indoor heat exchanger is installed in the air-conditioning internal unit, and the heat exchange method is fixed. The following problems exist: [0003] (1) The temperature difference between the cooled wind and the human body is large, and it blows directly to the human body, which will cause discomfort to the user; [0004] (2) Dehumidification adopts refrigeration dehumidification, which may easily cause the indoor temperature to drop too much, resulting in discomfort for users; [0005] (3) For occasions where the humidity requirement is lower than 40%, existing air conditioners are difficult to m...

Claims

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Application Information

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IPC IPC(8): F25B5/00F25B6/00F25B41/20F25B41/30F25B49/02F24F1/0063F24F1/16F24F3/06F24F13/30F24F11/70F24F11/64F24F11/46F24F11/41F24F11/65F24F11/63
CPCF25B5/00F25B6/00F25B49/02F24F1/0063F24F1/16F24F3/065F24F13/30F24F11/70F24F11/64F24F11/46F24F11/41F24F11/65F24F11/63
Inventor 杜辉苏玉海江标朱江程陈泽波
Owner GREE ELECTRIC APPLIANCES INC
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