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Air conditioner system

An air-conditioning system and enthalpy-increasing hole technology, which is applied in the field of air conditioners and compressors, can solve the problem of a single enthalpy-increasing method, and achieve the effect of improving heating or cooling capacity and efficiency

Active Publication Date: 2016-08-03
GUANGDONG MIDEA ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is: in order to solve the problem that the enthalpy increase method of the scroll compressor in the existing air-conditioning and refrigeration system is relatively single, only a quasi-two-stage enthalpy increase can be realized. When the refrigerant pressure ratio is low or high, there is an increase Enthalpy does not significantly improve the efficiency of scroll compressors

Method used

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Embodiment 1

[0044] The invention discloses an air conditioning system, comprising:

[0045] Scroll compressor 50: The static scroll 1 of the scroll compressor 50 is provided with a first enthalpy-increasing hole 1c and a second enthalpy-increasing hole 1b communicating with the compression chamber 3, and the first enthalpy-increasing hole 1c is The pressure at the second enthalpy-increasing hole 1b is lower than the pressure at the second enthalpy-increasing hole 1b; however, it must be ensured that the first enthalpy-increasing hole 1c does not communicate with the suction port 16 of the scroll compressor 50 during the operation of the scroll compressor 50, and the second The second enthalpy increasing hole 1b is not communicated with the discharge port 15 of the scroll compressor 50; the suction port 16 of the scroll compressor 50 is provided with a first sensor 42 for detecting the suction pressure, and the scroll compressor The exhaust port 15 of the engine 50 is provided with a secon...

Embodiment 2

[0072] The technical content of this embodiment 2 is the same as that of embodiment 1. The description will not be repeated. The content disclosed in embodiment 1 also belongs to the content disclosed in this embodiment 2. This embodiment 2 is a further optimization of the structure of the first enthalpy-increasing hole: Figure 8 As shown, the profile in the fixed scroll 1 is the fixed scroll profile 1a, and the profile in the movable scroll 2 is the movable scroll profile 2a; the outer side of the movable scroll profile 2a and the fixed scroll profile 1a The first compression chamber 3a is enclosed, and the inner side of the movable scroll profile 2a and the fixed scroll profile 1a enclose the second compression chamber 3b; the first enthalpy hole 1c includes the first compression chamber 3a and the second compression chamber respectively 3b is connected with the first external enthalpy increasing hole 1c1 and the first internal enthalpy increasing hole 1c2. The first extern...

Embodiment 3

[0077] The technical content of the third embodiment is the same as that of the second embodiment and will not be described repeatedly. The content disclosed in the second embodiment also belongs to the content disclosed in the third embodiment. The third embodiment is a further optimization of the structure of the second enthalpy-increasing hole: Figure 11 As shown, the profile in the fixed scroll 1 is the fixed scroll profile 1a, and the profile in the movable scroll 2 is the movable scroll profile 2a; the outer side of the movable scroll profile 2a and the fixed scroll profile 1a The first compression chamber 3a is enclosed, and the inner side of the orbiting scroll profile 2a and the fixed scroll profile 1a enclose the second compression chamber 3b; the second enthalpy hole 1b includes the first compression chamber 3a and the second compression chamber respectively 3b is connected with the second external enthalpy-increasing hole 1b1 and the second internal enthalpy-increa...

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Abstract

The invention belongs to the technical field of air conditioners and compressors, and discloses an air conditioner system. The air conditioner system comprises a scroll compressor, a first enthalpy increasing mechanism, a second enthalpy increasing mechanism, a communication converting mechanism and a controller. A static scroll pan is provided with two enthalpy increasing holes, wherein the pressure at the position of the first enthalpy increasing hole is lower than that at the position of the second enthalpy increasing hole. A suction port and an exhaust port of the scroll compressor are provided with sensors. The first enthalpy increasing mechanism and the second enthalpy increasing mechanism are used for supplementing media to a compression cavity of the scroll compressor. The communication converting mechanism is used for switching the communication states between the two enthalpy increasing mechanisms and the two enthalpy increasing holes. The controller is used for switching the work states of the communication converting mechanism. The quasi-second order scroll compression operation that two air supplementing positions are converted for air supplementing can be executed according to different running pressure ratio conditions, the quasi-third order scroll compression operation that air supplementing is conducted at the two air supplementing positions at the same time can be executed under the situation that the running work condition pressure ratio is slightly high, and the heating or refrigerating capability and efficiency under different pressure ratio work conditions can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of air conditioners and compressors, in particular to an air conditioning system. Background technique [0002] Scroll compressors are widely used in general refrigeration and air-conditioning systems because of their simple structure, small size, light weight, and high efficiency. This kind of refrigeration and air conditioning system is mainly used in the environment with low ambient temperature and high condensation temperature. The pressure ratio of the compressor will increase, which will cause the suction specific volume of the suction end of the compressor to increase and the gas transmission coefficient to decrease. As a result, the heat of the compressor mechanism is insufficient and the exhaust temperature is too high, which will rapidly reduce the working efficiency of the compressor. Long-term operation will cause problems such as wear between mechanical parts and failure of refrigeration oil, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B31/00F25B41/04F25B49/02F04C18/02F25B41/20
CPCF04C18/0215F04C18/0292F25B31/00F25B49/022F25B41/20
Inventor 李冬元黄柏英索文平
Owner GUANGDONG MIDEA ENVIRONMENTAL TECH CO LTD
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