CN203385255U - Gas-liquid separator for double-parallel-compressor multi-connected air conditioning system - Google Patents

Gas-liquid separator for double-parallel-compressor multi-connected air conditioning system Download PDF

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Publication number
CN203385255U
CN203385255U CN201320344739.5U CN201320344739U CN203385255U CN 203385255 U CN203385255 U CN 203385255U CN 201320344739 U CN201320344739 U CN 201320344739U CN 203385255 U CN203385255 U CN 203385255U
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China
Prior art keywords
compressor
housing
liquid separator
gas
parallel
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Expired - Lifetime
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CN201320344739.5U
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Chinese (zh)
Inventor
游永生
杨兵
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NANJING TICA AIR-CONDITIONING Co Ltd
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NANJING TICA AIR-CONDITIONING Co Ltd
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Priority to CN201320344739.5U priority Critical patent/CN203385255U/en
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Publication of CN203385255U publication Critical patent/CN203385255U/en
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Abstract

A gas-liquid separator for a double-parallel-compressor multi-connected air conditioning system is characterized by comprises a shell (1), a main air inlet pipe (2) and two air outlet pipes (3), one end of the main air inlet pipe (2), which is disposed outside the shell, is connected with an evaporator, the other end of the main air inlet pipe (2) extends into the shell, one end of each air outlet pipe (3), which extends out of the shell, is connected with a corresponding compressor, the other end of each air outlet pipe (3), which is disposed inside the shell, is connected with a corresponding oil return hole at the bottom of a U-pipe, and the oil return holes at the bottom of the U-pipe are provided with a filter screen. The gas-liquid separator for the double-parallel-compressor multi-connected air conditioning system is reasonable in structure, the nonuniformity of gas distribution between the compressors is reduced, the suction pressure of the system is balanced, the balance of oil return is improved, the oil return volume of different compressor displacements can be guaranteed; in addition, the convenience of production and field maintenance is improved.

Description

Two-in-parallel compressor multi-gang air conditioner gas-liquid separator
Technical field
The utility model relates to a kind of refrigeration air-conditioner relevant device technical field, the gas-liquid separator used in especially a kind of air-conditioning system, specifically a kind of two-in-parallel compressor multi-gang air conditioner gas-liquid separator.
Background technology
due to the brand influence that is subject to the great Jin multi-connected machine, increasing occasion starts to accept and use multi-connected machine, therefore the environment of application is also more and more wider, from 50 ℃ of high temperature to low temperature-20 ℃, the long pipe arrangement of pipe arrangement from common 5-10m to 165m connects etc., and unit need to adapt to various loads and place needs.When the evaporability at the worst cold case evaporimeter is not enough or need to add a large amount of cold-producing medium due to the long pipe arrangement of multi-connected machine itself, all may cause a large amount of refrigerant liquids to return to the suction side of compressor, thereby have influence on reliability and the operational efficiency of unit, therefore generally all at the compressor air suction mouth, gas-liquid separator is installed.Because systematic comparison is large, compressor producer can accomplish that maximum monomer compressor capacity value also has the upper limit simultaneously.Air-conditioning producer takes the capacity compressor parallels such as a plurality of.In the air-conditioning system of existing multi-compressor, in order to make multiple compressors air-breathing from gas-liquid separator uniformly, generally to add distributor or threeway in the gas-liquid separator outlet, then continue to separate many branch roads on distributor or in threeway, many branch roads are connected respectively with the air intake duct of compressor.But such structure mainly contains following shortcoming: the impact that is subject to produce welding and copper tube design trend, even capacity identical compressor parallel, inspiratory capacity is often unequal, can produce the phenomenon of bias current, and then cause the return-air amount difference of compressor chamber, may be with liquid or overheated; Also affect recirculating oil quantity, cause oil partially, oil starvation even finally damages compressor simultaneously.If the capacity difference of compressor, problem is just more obvious and serious, especially frequency conversion parallel system.
After the compressor damage of unit, when changing compressor, also the refrigeration oil of system all must be changed in addition, the refrigeration oil major part of system all accumulates in the bottom of gas-liquid separator.Just directly change gas-liquid separator during general scene or, by the gas-liquid separator dismounting, more after change engine oil, be reinstalled unit; Due to the structural design impact of on-the-spot inconvenience and unit itself, often cumbersome when the maintenance personal serves.
Summary of the invention
The purpose of this utility model be for multi-joint gas-liquid separator for compressor work advance to produce the problem of bias current and maintain and replace inconvenience, design and a kind ofly can guarantee that each compressor return air is even, improve the oil return harmony, thereby avoid the two-in-parallel compressor multi-gang air conditioner gas-liquid separator of compressor damage.
The technical solution of the utility model is:
A kind of two-in-parallel compressor multi-gang air conditioner gas-liquid separator, it is characterized in that it comprises housing 1, total inlet pipe 2 and two escape pipes 3, the outer end of housing that is positioned at of described total inlet pipe 2 is connected with evaporimeter, the other end stretches in housing, two escape pipes 3 stretch out the outer end of housing and are connected with corresponding compressor respectively, the end that two escape pipes 3 are arranged in housing is connected with the spill port of the U-shaped pipe bottom that is arranged in housing respectively, on the spill port bottom U-shaped pipe, is provided with screen pack.
The caliber of two escape pipes 3 that are connected from housing is different.
Be provided with the oil fuel tube 4 of producing with maintenance use at housing bottom, to facilitate on-the-spot maintenance and to change refrigeration oil.
The beneficial effects of the utility model are:
The utility model is rational in infrastructure, and compressor chamber gas maldistribution reduces, the pressure of inspiration(Pi) balance of system; The oil return harmony improves, and the recirculating oil quantity of different compressors discharge capacity, to guaranteeing, more improves the convenience of production and field maintenance in addition.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
As shown in Figure 1.
A kind of two-in-parallel compressor multi-gang air conditioner gas-liquid separator, it comprises housing 1, total inlet pipe 2 and two escape pipes 3, the outer end of housing that is positioned at of described total inlet pipe 2 is connected with evaporimeter, the other end stretches in housing, two escape pipes 3 stretch out the outer end of housing and are connected with corresponding compressor respectively, the end that two escape pipes 3 are arranged in housing is connected with the spill port of the U-shaped pipe bottom that is arranged in housing respectively, on the spill port bottom U-shaped pipe, is provided with screen pack.As seen from Figure 1, enter in housing 12 two escape pipes 3 of a total inlet pipe and oil fuel tube 4 are arranged.2, two escape pipes 3 of described total inlet pipe and oil fuel tube 4 all are communicated with housing 1, and described oil fuel tube 4 is positioned at the bottom position of housing 1.Total inlet pipe 2 connects evaporimeter, and two escape pipes 3 connect respectively compressor, and two escape pipes 3 also connect respectively the other end air inlet that is positioned at the U-shaped pipe of enclosure interior, and the bottom of U-shaped pipe is provided with the spill port with the difference size of screen pack.The utility model connects respectively two compressors by two escape pipes 3, and two escape pipes 3 also connect respectively the U-shaped pipe that is positioned at enclosure interior, by the spill port with screen pack be arranged on U-shaped pipe, carry out oil return; Be provided with oil fuel tube 4 in housing 1 bottom of separator in addition, facilitate on-the-spot maintenance and change refrigeration oil.
When two compressor parallels (no matter whether capacity is big or small identical) like this, compressor directly carries out compressed action from housing 1 suction of gas-liquid separator, and the pressure of 1 li of the housing of gas-liquid separator is basic identical, has guaranteed that pressure of inspiration(Pi) is identical, can not affect the deviation of system.Different and the spill port of design of the discharge capacity that simultaneously is positioned at good grounds compressor on the U-shaped pipe of housing 1 inside, compressor carries out oil return by spill port separately, recirculating oil quantity determines by the refrigerant circulation of compressor self, can not cause other compressor can return without oil or partially oily problem.
The utility model does not relate to the part prior art that maybe can adopt same as the prior art to be realized.

Claims (3)

1. a two-in-parallel compressor multi-gang air conditioner gas-liquid separator, it is characterized in that it comprises housing (1), total inlet pipe (2) and two escape pipes (3), the outer end of housing that is positioned at of described total inlet pipe (2) is connected with evaporimeter, the other end stretches in housing, two escape pipes (3) stretch out the outer end of housing and are connected with corresponding compressor respectively, the end that two escape pipes (3) are arranged in housing is connected with the spill port of the U-shaped pipe bottom that is arranged in housing respectively, on the spill port of U-shaped pipe bottom, is provided with screen pack.
2. two-in-parallel compressor multi-gang air conditioner gas-liquid separator according to claim 1, is characterized in that the caliber of two escape pipes (3) of being connected from housing is different.
3. two-in-parallel compressor multi-gang air conditioner gas-liquid separator according to claim 1, is characterized in that being provided with at housing bottom the oil fuel tube (4) of producing with maintenance use, to facilitate on-the-spot maintenance and to change refrigeration oil.
CN201320344739.5U 2013-06-17 2013-06-17 Gas-liquid separator for double-parallel-compressor multi-connected air conditioning system Expired - Lifetime CN203385255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320344739.5U CN203385255U (en) 2013-06-17 2013-06-17 Gas-liquid separator for double-parallel-compressor multi-connected air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320344739.5U CN203385255U (en) 2013-06-17 2013-06-17 Gas-liquid separator for double-parallel-compressor multi-connected air conditioning system

Publications (1)

Publication Number Publication Date
CN203385255U true CN203385255U (en) 2014-01-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104792073A (en) * 2015-05-05 2015-07-22 珠海格力电器股份有限公司 Gas-liquid separator, multi-split air conditioner and refrigeration oil injection method
CN108168164A (en) * 2018-02-13 2018-06-15 天津商业大学 A kind of ammonia refrigeration system gas-liquid separation oil return equipment
CN115200262A (en) * 2022-07-04 2022-10-18 湖北泰和电气有限公司 Balanced oil return system of two compressors

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104792073A (en) * 2015-05-05 2015-07-22 珠海格力电器股份有限公司 Gas-liquid separator, multi-split air conditioner and refrigeration oil injection method
CN104792073B (en) * 2015-05-05 2018-02-23 珠海格力电器股份有限公司 Gas-liquid separator, multi-gang air-conditioner device and refrigeration oil method for implanting
CN108168164A (en) * 2018-02-13 2018-06-15 天津商业大学 A kind of ammonia refrigeration system gas-liquid separation oil return equipment
CN108168164B (en) * 2018-02-13 2024-02-20 天津商业大学 Gas-liquid separation oil return equipment of ammonia refrigeration system
CN115200262A (en) * 2022-07-04 2022-10-18 湖北泰和电气有限公司 Balanced oil return system of two compressors

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CX01 Expiry of patent term

Granted publication date: 20140108

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