CN102588254A - Single dual-stage hermetically sealed refrigerating compressor with external mixing chamber - Google Patents
Single dual-stage hermetically sealed refrigerating compressor with external mixing chamber Download PDFInfo
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- CN102588254A CN102588254A CN2012100436736A CN201210043673A CN102588254A CN 102588254 A CN102588254 A CN 102588254A CN 2012100436736 A CN2012100436736 A CN 2012100436736A CN 201210043673 A CN201210043673 A CN 201210043673A CN 102588254 A CN102588254 A CN 102588254A
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Abstract
The invention discloses a single dual-stage hermetically sealed refrigerating compressor with an external mixing chamber, which belongs to the technical field of a refrigerating compressor. A motor, a low-pressure stage and a high-pressure stage form an internal structure of the compressor arranged in a compressor shell; an air suction pipe is connected with a vapor-liquid separator; an exhaust pipe is connected with the upper part of the compressor shell; the mixing chamber consists of a mixing chamber cylinder, a low-pressure stage exhaust pipe, a high-pressure stage air suction pipe, a blowdown pipe and an oil return hole; the vapor-liquid separator and the mixing chamber are arranged outside the sealed compressor shell and connected with the upper part of the mixing chamber together with the blowdown pipe connected with a system flash-tank; a suction port of the high-pressure stage air suction pipe is kept away from the blowdown pipe and the low-pressure stage exhaust pipe, and is connected with a high-pressure stage air suction chamber, and the low-pressure stage exhaust pipe is connected with the low-pressure stage exhaust chamber. According to the single dual-stage hermetically sealed refrigerating compressor, the mixing chamber is arranged outside the compressor; the internal structure of the compressor is simplified; fault diagnosis is carried out conveniently; low-pressure stage exhaust heat is diffused outside more easily; the compression efficiency is improved; and the separation and backflow of lubricating oil are facilitated, and the operation stability is improved.
Description
Technical field
The present invention relates to a kind of mixing chamber external type single twin-stage hermetically sealed compressor, belong to technical field of refrigeration compressors.
Background technique
Improve the efficiency of Modeling of Room Air conditioner Refrigeration System, the single machine two-stage compression refrigeration of tonifying Qi circulation is a kind of effective mode in the middle of the band.Be illustrated in figure 1 as the flow chart that a kind of mixing chamber external type single twin-stage hermetically sealed compressor uses in refrigeration system, include compressor 101, four-way change-over valve 102, outdoor heat exchanger 103, one-level capillary tube 104, flash evaporation 105, secondary capillary tube 106, indoor heat exchanger 107.When using as refrigeration, refrigerant flow direction is expressed by white arrow.Working procedure is following: the exhaust of compressor is introduced into outdoor heat exchanger 103 through behind the four-way change-over valve 102; Enter in the one-level capillary tube 104 after becoming liquid refrigerant; Throttling enters in the flash evaporation 105 after being depressurized to a certain intermediate pressure; The gas that shwoot comes out enters into mixing chamber through the tonifying Qi pipeline, and the cold excessively liquid of main road enters into second throttle in the secondary capillary tube 106, and the vapour-liquid two phase low pressure refrigerants after the throttling enter in the indoor heat exchanger 107; Through airborne heat in the evaporation absorption chamber, reach the effect of refrigeration.The low-pressure gaseous refrigerant that goes out indoor heat exchanger 107 enters into compressor through the intakeport of compressor, accomplishes a refrigeration cycle.When conduct heated use, refrigerant flow direction was expressed by black arrow.Working procedure is following: the exhaust of compressor is introduced into indoor heat exchanger 107 through behind the four-way change-over valve 102; Enter in the secondary capillary tube 106 after becoming liquid refrigerant; Throttling enters in the flash evaporation 105 after being depressurized to a certain intermediate pressure; The gas that shwoot comes out enters into compressor through the tonifying Qi pipeline; The cold excessively liquid of main road enters into second throttle in the one-level capillary tube 104, and the vapour-liquid two phase low pressure refrigerants after the throttling enter in the outdoor heat exchanger 103, through the heat in the evaporation absorption chamber outer air.The low-pressure gaseous refrigerant that goes out outdoor heat exchanger 103 enters into compressor through the intakeport of compressor, accomplishes one and heats circulation.
Wherein, key technology is the pattern of refrigeration cycle and the design of mixing chamber.Reasonably pattern and mixing chamber structure should have following performance:
1) the low pressure stage heat of exhaust can conveniently shed;
2) gas refrigerant can in time separate with lubricant oil in the chamber, and through the air-breathing timely oil return of high pressure stage;
3) internal structure of simplification compressor main body, the operation stability of raising system.
Summary of the invention
The invention provides a kind of mixing chamber external type single twin-stage hermetically sealed compressor, be intended to improve the efficiency of the middle tonifying Qi refrigerated air-conditioning system of two stage compression.
A kind of mixing chamber external type single twin-stage hermetically sealed compressor comprises low pressure stage 1, vapor-liquid separator 2, sucking pipe 3, motor 4, outlet pipe 5, high pressure stage 6, mixing chamber cylindrical shell 7, low pressure stage outlet pipe 8, high pressure stage sucking pipe 9, blowdown pipe 10, spill port 11; Wherein: motor 4, low pressure stage 1 and high pressure stage 6 are formed the internal structure of compressor, place compressor housing; Sucking pipe 3 is connected on the vapor-liquid separator 2, and outlet pipe 5 is connected compressor housing top; Mixing chamber is made up of mixing chamber cylindrical shell 7, low pressure stage outlet pipe 8, high pressure stage sucking pipe 9, blowdown pipe 10, spill port 11; It is characterized in that; Vapor-liquid separator 2 places outside the compressor enclosing housing with mixing chamber; Three connecting tubes are arranged on the mixing chamber; The blowdown pipe 10 that links to each other with the system flash evaporation is connected the top of mixing chamber, and the suction inlet of high pressure stage sucking pipe 9 is avoided blowdown pipe 10 and low pressure stage outlet pipe 8, and links to each other with the air aspiration cavity of high pressure stage 6; Low pressure stage outlet pipe 8 links to each other with the exhaust cavity of low pressure stage 1.
The shape of said mixing chamber cylindrical shell 7 comprise band with not with cylindrical, the sphere or the elliptical cylinder-shape of end socket.
Said compressor is the rotary compressor or the piston compressor of making-up air device in the middle of having; Described rotary compressor comprises single machine two-stage rolling piston compressor, sliding-vane compressor.
The adapter of said low pressure stage outlet pipe (8) and high pressure stage sucking pipe (9) and mixing chamber, upper-lower position exchanges according to compressor low pressure stage (1) and high pressure stage (6) deployment scenarios, and high pressure stage sucking pipe (9) is provided with spill port in mixing chamber inside.
Described low pressure stage outlet pipe 8 is positioned at the bottom of mixing chamber cylindrical shell 7; High pressure stage sucking pipe 9 gets into from the top of mixing chamber cylindrical shell 7, in mixing chamber cylindrical shell 7, becomes " U " font, establishes spill port 11 bottom.
Described low pressure stage outlet pipe 8 is positioned at the top of mixing chamber cylindrical shell 7; High pressure stage sucking pipe 9 gets into from the bottom of mixing chamber cylindrical shell 7.
The present invention can obtain following beneficial effect: mixing chamber is arranged in the compressor outside, has simplified compressor inner structure, make things convenient for fault diagnosis; The outer postpone of mixing chamber makes the exhaust gas heat of low pressure stage be more prone to shed, and avoids simultaneously that the motor feels hot to the double heating of compression working medium, improves compression efficiency; Simultaneously, be beneficial to the separation and the backflow of lubricant oil, improve the stability of operation.
Description of drawings
Fig. 1 is the flow chart that a kind of mixing chamber external type single twin-stage hermetically sealed compressor uses in refrigeration system;
Fig. 2 is a kind of mixing chamber external type single twin-stage hermetically sealed compressor provided by the invention, and the low pressure stage outlet pipe is following, and the high pressure stage sucking pipe is at last structural representation;
Fig. 3 is a kind of mixing chamber external type single twin-stage hermetically sealed compressor provided by the invention, and the low pressure stage outlet pipe is last, the high pressure stage sucking pipe under structural representation;
Among Fig. 2, Fig. 3,1 low pressure stage, 2 vapor-liquid separators, 3 sucking pipes, 4 motors, 5 outlet pipes, 6 high pressure stages, 7 mixing chamber cylindrical shells, 8 low pressure stage outlet pipes, 9 high pressure stage sucking pipes, 10 blowdown pipes, 11 spill ports.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Embodiment 1:
As shown in Figure 2, a kind of mixing chamber external type single twin-stage hermetically sealed compressor, the low pressure stage outlet pipe is following, and the high pressure stage sucking pipe is at last structural representation, and used compressor is a rolling piston compressor.Comprise low pressure stage (1), vapor-liquid separator (2), sucking pipe (3), motor (4), outlet pipe (5), high pressure stage (6), mixing chamber cylindrical shell (7), low pressure stage outlet pipe (8), high pressure stage sucking pipe (9), blowdown pipe (10), spill port (11) composition.Wherein: motor (4), low pressure stage (1) and high pressure stage (6) are formed the internal structure of compressor.Sucking pipe (3) is connected on the vapor-liquid separator (2), and outlet pipe (5) is connected compressor housing top.Mixing chamber is made up of mixing chamber cylindrical shell (7), low pressure stage outlet pipe (8), high pressure stage sucking pipe (9), blowdown pipe (10), spill port (11).
Said compressor is the single machine two-stage compressor of making-up air device in the middle of having.
Said mixing chamber is external, is shaped as the cylindrical of band ellipsoidal head.
Said compressor is a rolling piston compressor.
Said compressor low pressure stage outlet pipe is following, and the high pressure stage sucking pipe is last, and the high pressure stage sucking pipe has a U type curved in mixing chamber inside, be provided with the circular spill port that 3 diameters are 1mm in U type crook.
Embodiment 2:
As shown in Figure 3, a kind of mixing chamber external type single twin-stage hermetically sealed compressor, low pressure stage outlet pipe be last, the high pressure stage sucking pipe under structural representation.Structure and instance 1 are basic identical, and difference is that low pressure stage outlet pipe and high pressure stage sucking pipe upper-lower position exchange.The high pressure stage sucking pipe is straight tube in the mixing chamber housing, on the tube wall of straight tube, is provided with the circular spill port that 3 diameters are 1mm.
The above; Only be the preferable feasible embodiment of the present invention; Can not therefore promptly limit to interest field of the present invention; Concerning being familiar with those of ordinary skill in the art, using technological scheme of the present invention and technical conceive to make other various corresponding changes and be out of shape such as and all should belong within the protection domain of claim of the present invention.
Claims (6)
1. a mixing chamber external type single twin-stage hermetically sealed compressor comprises low pressure stage (1), vapor-liquid separator (2), sucking pipe (3), motor (4), outlet pipe (5), high pressure stage (6), mixing chamber cylindrical shell (7), low pressure stage outlet pipe (8), high pressure stage sucking pipe (9), blowdown pipe (10), spill port (11); Wherein: motor (4), low pressure stage (1) and high pressure stage (6) are formed the internal structure of compressor, place compressor housing; Sucking pipe (3) is connected on the vapor-liquid separator (2), and outlet pipe (5) is connected compressor housing top; Mixing chamber is made up of mixing chamber cylindrical shell (7), low pressure stage outlet pipe (8), high pressure stage sucking pipe (9), blowdown pipe (10), spill port (11); It is characterized in that; Vapor-liquid separator (2) and mixing chamber place outside the compressor enclosing housing; Three connecting tubes are arranged on the mixing chamber; The blowdown pipe (10) that links to each other with the system flash evaporation is connected the top of mixing chamber, and the suction inlet of high pressure stage sucking pipe (9) is avoided blowdown pipe (10) and low pressure stage outlet pipe (8), and links to each other with the air aspiration cavity of high pressure stage (6); Low pressure stage outlet pipe (8) links to each other with the exhaust cavity of low pressure stage (1).
2. a kind of mixing chamber external type single twin-stage hermetically sealed compressor according to claim 1 is characterized in that: the shape of said mixing chamber cylindrical shell (7) comprise band with not with cylindrical, the sphere or the elliptical cylinder-shape of end socket.
3. a kind of mixing chamber external type single twin-stage hermetically sealed compressor according to claim 1 is characterized in that: said compressor is the rotary compressor or the piston compressor of making-up air device in the middle of having; Described rotary compressor comprises single machine two-stage rolling piston compressor, sliding-vane compressor.
4. a kind of mixing chamber external type single twin-stage hermetically sealed compressor according to claim 1; It is characterized in that: the adapter of said low pressure stage outlet pipe (8) and high pressure stage sucking pipe (9) and mixing chamber; Upper-lower position exchanges according to compressor low pressure stage (1) and high pressure stage (6) deployment scenarios, and high pressure stage sucking pipe (9) is provided with spill port in mixing chamber inside.
5. a kind of mixing chamber external type single twin-stage hermetically sealed compressor according to claim 4, it is characterized in that: described low pressure stage outlet pipe (8) is positioned at the bottom of mixing chamber cylindrical shell (7); High pressure stage sucking pipe (9) gets into from the top of mixing chamber cylindrical shell (7), in mixing chamber cylindrical shell (7), becomes " U " font, establishes spill port (11) bottom.
6. a kind of mixing chamber external type single twin-stage hermetically sealed compressor according to claim 4, it is characterized in that: described low pressure stage outlet pipe (8) is positioned at the top of mixing chamber cylindrical shell (7); High pressure stage sucking pipe (9) gets into from the bottom of mixing chamber cylindrical shell (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100436736A CN102588254A (en) | 2012-02-22 | 2012-02-22 | Single dual-stage hermetically sealed refrigerating compressor with external mixing chamber |
| CN201310056040.3A CN103291624B (en) | 2012-02-22 | 2013-02-21 | A kind of mixing chamber external type single twin-stage hermetically sealed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100436736A CN102588254A (en) | 2012-02-22 | 2012-02-22 | Single dual-stage hermetically sealed refrigerating compressor with external mixing chamber |
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| CN102588254A true CN102588254A (en) | 2012-07-18 |
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| CN2012100436736A Pending CN102588254A (en) | 2012-02-22 | 2012-02-22 | Single dual-stage hermetically sealed refrigerating compressor with external mixing chamber |
| CN201310056040.3A Active CN103291624B (en) | 2012-02-22 | 2013-02-21 | A kind of mixing chamber external type single twin-stage hermetically sealed compressor |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310056040.3A Active CN103291624B (en) | 2012-02-22 | 2013-02-21 | A kind of mixing chamber external type single twin-stage hermetically sealed compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235024A (en) * | 2014-09-12 | 2014-12-24 | 大连三洋压缩机有限公司 | Vertical compressor with double exhaust pipes |
| CN104879319A (en) * | 2015-05-25 | 2015-09-02 | 广东美的环境电器制造有限公司 | Base for bladeless fan and bladeless fan |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912496A (en) * | 2014-03-28 | 2014-07-09 | 西安庆安制冷设备股份有限公司 | Double-rotor double-stage compressor and refrigerating/heating system thereof |
| CN105332919B (en) * | 2014-08-11 | 2017-11-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Air-conditioning system |
| CN106969519B (en) * | 2017-03-07 | 2019-08-02 | 广东美芝制冷设备有限公司 | Refrigerating plant |
| CN111043795B (en) * | 2019-12-27 | 2021-08-20 | 广东美的白色家电技术创新中心有限公司 | Compressor assembly and refrigeration equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10141270A (en) * | 1996-11-01 | 1998-05-26 | Matsushita Electric Ind Co Ltd | Two stage gas compressor |
| JP2000097177A (en) * | 1998-09-22 | 2000-04-04 | Sanyo Electric Co Ltd | Rotary compressor and refrigerating circuit |
| JP2007178042A (en) * | 2005-12-27 | 2007-07-12 | Mitsubishi Electric Corp | Supercritical vapor compression type refrigerating cycle and cooling and heating air conditioning facility and heat pump hot-water supply machine using it |
| JP2010059859A (en) * | 2008-09-03 | 2010-03-18 | Fujitsu General Ltd | Injectible two-stage compression rotary compressor |
| JP5338231B2 (en) * | 2008-09-30 | 2013-11-13 | ダイキン工業株式会社 | Two-stage compressor |
| JP5269192B2 (en) * | 2009-05-12 | 2013-08-21 | 三菱電機株式会社 | Two-stage compressor and refrigeration air conditioner |
| CN102042227B (en) * | 2009-10-13 | 2014-04-16 | 珠海格力电器股份有限公司 | Double-rotor two-stage enthalpy-increase compressor, air conditioner and heat pump water heater |
| CN102251964B (en) * | 2010-05-17 | 2013-03-13 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN101922823A (en) * | 2010-09-02 | 2010-12-22 | 广州德能热源设备有限公司 | Secondary air injection high-efficiency ultralow temperature heat pump unit |
-
2012
- 2012-02-22 CN CN2012100436736A patent/CN102588254A/en active Pending
-
2013
- 2013-02-21 CN CN201310056040.3A patent/CN103291624B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235024A (en) * | 2014-09-12 | 2014-12-24 | 大连三洋压缩机有限公司 | Vertical compressor with double exhaust pipes |
| CN104879319A (en) * | 2015-05-25 | 2015-09-02 | 广东美的环境电器制造有限公司 | Base for bladeless fan and bladeless fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103291624A (en) | 2013-09-11 |
| CN103291624B (en) | 2016-02-03 |
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Application publication date: 20120718 |