CN108361178A - A kind of oil-gas separated-type noise reduction swash-plate-type compressor - Google Patents

A kind of oil-gas separated-type noise reduction swash-plate-type compressor Download PDF

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Publication number
CN108361178A
CN108361178A CN201810254137.8A CN201810254137A CN108361178A CN 108361178 A CN108361178 A CN 108361178A CN 201810254137 A CN201810254137 A CN 201810254137A CN 108361178 A CN108361178 A CN 108361178A
Authority
CN
China
Prior art keywords
exhaust
oil
voltage stabilizing
gas
noise reduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810254137.8A
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Chinese (zh)
Inventor
万建峰
方益
王刚
冯祈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Dyne Car Air Conditioner Co Ltd
Original Assignee
Hefei Dyne Car Air Conditioner Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Dyne Car Air Conditioner Co Ltd filed Critical Hefei Dyne Car Air Conditioner Co Ltd
Priority to CN201810254137.8A priority Critical patent/CN108361178A/en
Publication of CN108361178A publication Critical patent/CN108361178A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04Measures to avoid lubricant contaminating the pumped fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0055Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes

Abstract

The invention discloses a kind of oil-gas separated-type noise reduction swash-plate-type compressors, including crankshaft cavity, exhaust casing and the exhaust outlet on exhaust casing, the inlet end of the exhaust outlet is connected to second exhaust voltage stabilizing area, second exhaust voltage stabilizing area is connect by partition board with first exhaust voltage stabilizing area, and first exhaust voltage stabilizing area is connected to rear cylinder exhaust passage;Installation cavity is offered among the partition board, the installation cavity is embedded with oil return apparatus.By the refrigerant gas of discharge by the way that two level voltage stabilizing is discharged again after level-one voltage stabilizing, expansion, the noise smaller for keeping refrigerant gas more stable, and generating achievees the purpose that further noise reduction;The oil in refrigerant gas is separated into crankshaft cavity simultaneously and is used for lubricating component.

Description

A kind of oil-gas separated-type noise reduction swash-plate-type compressor
Technical field
The present invention relates to Compressor Technology fields, and in particular to a kind of oil-gas separated-type noise reduction swash-plate-type compressor.
Background technology
Compressor is the heart of refrigeration system, it sucks the refrigerant gas of low-temp low-pressure from air intake duct, is transported by motor Turn after being compressed to it with piston, the refrigerant gas of high temperature and pressure be discharged to exhaust pipe, power is provided for refrigeration cycle, To realize compression → condensation(Heat release)The refrigeration cycle of → expansion → evaporation (heat absorption).And it is now widely used in automobile Compressor is swash-plate-type compressor, is by rotational movement piston or the work for being in certain inclined swash plate with shaft Stopper rod is reciprocating to realize the compressor of gas compression.
With development in science and technology, vehicle miniaturization, lightness require increasingly to improve, and require energy conservation and environmental protection again.So starting The space of machine cabin is also more compact, therefore compressor should meet comparable refrigeration effect, meets good comfort again.
Swash-plate-type compressor be mainly by swash plate, two cylinders, pistons being assemblied on swash plate and link together And front end housing and back cylinder cover mounted on two outer end of cylinder to link together.But it is easy scarce refrigeration oil inside compressor, causes The compressor moving component premature wear and service life is low;In addition, for entire air conditioning system for vehicle, when refrigeration oil is from compressor Inside is discharged in air-conditioning system, and air-conditioning system oil content can mostly hinder the heat-exchange capacity of system to reduce refrigeration effect;Secondly, it is Refrigerant gas is expelled directly out by high-temperature high-pressure refrigerant gas by the voltage stabilizing area of forward and backward cylinder block, leads to exhaust gas pulses not Surely forms noise and increase the power consumption of compressor.
Invention content
The object of the present invention is to provide a kind of oil-gas separated-type noise reduction swash-plate-type compressors, will be oily in refrigerant gas Part is separated, and reduces the pulsation of the air-flow in exhaust process, achievees the purpose that reduce noise.
The technical scheme is that:
A kind of oil-gas separated-type noise reduction swash-plate-type compressor, including crankshaft cavity, exhaust casing and the exhaust on exhaust casing Mouthful, the inlet end of the exhaust outlet is connected to second exhaust voltage stabilizing area, and second exhaust voltage stabilizing area passes through partition board and first row Gas voltage stabilizing area connects, and first exhaust voltage stabilizing area is connected to rear cylinder exhaust passage;Installation cavity, the peace are offered among the partition board It behave affectedly and is embedded with oil return apparatus.
Further scheme, the oil return apparatus are located at one end of installation cavity, and the installation cavity positioned at oil return apparatus bottom end is formed Exhaust expansion portion;The oil return apparatus includes oil scavenger, plug and oil-recovery tank, and oil gas point is formed between oil scavenger and plug From chamber;The oil-gas separation chamber is connected to by first exhaust passage with first exhaust voltage stabilizing area, the gas channel of the oil scavenger with Exhaust expansion portion is connected to, and the exhaust expansion portion is connected to by second exhaust channel with second exhaust voltage stabilizing area.
Further scheme, the oil-recovery tank are connected to by drainback passage with crankshaft cavity, are located in first exhaust voltage stabilizing area Gas after oil return apparatus carries out gas-liquid separation, wherein fluid enters in crankshaft cavity through drainback passage for lubricating, gas into After entering the expansion of exhaust expansion portion, enters second exhaust voltage stabilizing area noise reduction through second exhaust channel, be most discharged afterwards through exhaust outlet.
The sectional area of further scheme, the exhaust expansion portion is more than the gas channel cross-sectional area of oil scavenger or more than second The sectional area of exhaust passage.
The present invention is improved on the basis of ZL201410224443.9, preceding cylinder, front and back cylinder cap structure Identical, this text is not repeated.The application is only improved in the exhaust voltage stabilizing area of exhaust casing, and original exhaust voltage stabilizing area is used Partition board is divided into two, and installation cavity is offered in partition board, and oil return apparatus and exhaust expansion portion are embedded in installation cavity.
Its exhaust process is as follows:
The refrigerant gas being discharged from the discharge chamber of front end housing and back cylinder cover is respectively from preceding cylinder exhaust passage, the rear vapour in preceding cylinder The rear cylinder exhaust passage of cylinder enters first exhaust voltage stabilizing area, and two strands of high pressure draughts buffer in first exhaust voltage stabilizing area, then lead to Cross the oil-gas separation chamber that first exhaust passage is entered in oil return apparatus, the refrigerant gas S-shaped of high temperature and pressure is unrolled oil scavenger It does high speed rotation and generates larger centrifugal force, to make the compressor oil in refrigerant gas be splashed under the influence of centrifugal force On the inner wall of oil-gas separation chamber;Then it converges in oil-recovery tank under the effect of gravity, due to the refrigerant gas in oil back chamber The pressure of pressure ratio crankshaft cavity is high, so the oil return that the compressor oil in oil-recovery tank is passed through small-bore under the action of pressure difference Channel enters crankshaft cavity;Oil into crankshaft cavity is directly used in internal motion part lubrication, improves moving component abrasion;It can also play Cooling effect, to improve the compressor service life;And be effectively prevented from its premenstrual, back cylinder cover and enter suction muffler, cylinder holes is entered back into, when Oil, which is directly entered cylinder holes, to cause liquid hammer that valve block is caused to be broken, and influence compressor service life.
Meanwhile the refrigerant gas after oil scavenger detaches by the stomata on oil scavenger enter exhaust expansion portion carry out it is swollen It is swollen, then enter in second exhaust voltage stabilizing area through second exhaust channel and carry out voltage stabilizing again, finally passes through the refrigeration of secondary pressure Agent gas is discharged by exhaust outlet, realizes exhaust process.
Two exhaust voltage stabilizing areas are divided by partition board since voltage stabilizing area will be vented in existing exhaust casing, and in oil return apparatus Bottom end be equipped with an exhaust expansion portion, by the refrigerant gas of discharge by first exhaust voltage stabilizing area after, carry out oil separation, so It is expanded by exhaust expansion portion, enters back into second exhaust voltage stabilizing area and carry out two level voltage stabilizing discharge, keep refrigerant gas more steady Noise smaller that is fixed, and generating, achievees the purpose that further noise reduction.
Description of the drawings
Invention is further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the compressor side view of the present invention;
Fig. 2 is the inner side view of exhaust casing in the present invention;
Fig. 3 is A-A sectional views in Fig. 2;
Fig. 4 is enlarged drawing at B in Fig. 3;
Fig. 5 is the side sectional view of compressor in Fig. 2;
Fig. 6 is enlarged drawing at C in Fig. 5.
In figure:1- front end housings, cylinder before 2-, cylinder exhaust passage before 21-;3- exhaust outlets, 4- exhaust casings, 41- first exhausts Voltage stabilizing area, 42- partition boards, 43- second exhaust voltage stabilizings area, 44- installation cavitys, 45- first exhaust passages, 46- second exhausts channel, Cylinder exhaust passage after 47-, 48- drainback passages;5- air entries, 6- back cylinder covers;7- oil return apparatus, 71- oil scavengers, 72- plugs, 73- oil-recovery tanks, 74- oil-gas separation chambers, 76- exhaust expansions portion;8- crankshaft cavities.
Specific implementation mode
As shown in figures 1 to 6, a kind of oil-gas separated-type noise reduction swash-plate-type compressor, including crankshaft cavity 8,4 and of exhaust casing The inlet end of exhaust outlet 3 on exhaust casing 4, the exhaust outlet 3 is connected to second exhaust voltage stabilizing area 43, the second exhaust Voltage stabilizing area 43 is connect by partition board 42 with first exhaust voltage stabilizing area 41, and first exhaust voltage stabilizing area 41 connects with rear cylinder exhaust passage 47 It is logical;Installation cavity 44 is offered among the partition board 42, the installation cavity 44 is embedded with oil return apparatus 7.
Further scheme, the oil return apparatus 7 are located at one end of installation cavity 44, are located at the installation cavity of 7 bottom end of oil return apparatus 44 formation exhaust expansion portion 76;The oil return apparatus 7 includes oil scavenger 71, plug 72 and oil-recovery tank 73, is located at oil scavenger 71 Oil-gas separation chamber 74 is formed between plug 72;The oil-gas separation chamber 74 passes through first exhaust passage 45 and first exhaust voltage stabilizing Area 41 is connected to, and the gas channel of the oil scavenger 71 is connected to exhaust expansion portion 76, and the exhaust expansion portion 76 passes through second exhaust Channel 46 is connected to second exhaust voltage stabilizing area 43.
Further scheme, the oil-recovery tank 73 are connected to by drainback passage 48 with crankshaft cavity 8, and first exhaust voltage stabilizing is located at Gas in area 41 is after oil return apparatus 7 carries out gas-liquid separation, and wherein fluid enters in crankshaft cavity 8 through drainback passage 48 for moistening It is sliding, after gas enters the expansion of exhaust expansion portion 76, enters 43 noise reduction of second exhaust voltage stabilizing area through second exhaust channel 46, most pass through afterwards Exhaust outlet 3 is discharged.
The sectional area in the exhaust expansion portion 76 is more than the gas channel cross-sectional area of oil scavenger or is more than second exhaust channel 46 Sectional area, for being expanded to the condensing agent gas after 71 gas-liquid separation of oil scavenger.
The present invention is improved on the basis of ZL201410224443.9, preceding cylinder, front and back cylinder cap structure Identical, this text is not repeated.The application is only improved in the exhaust voltage stabilizing area of exhaust casing, and original exhaust voltage stabilizing area is used Partition board is divided into two, and installation cavity is offered in partition board, and oil return apparatus and exhaust expansion portion are embedded in installation cavity.
Its breathing process is as follows:
The refrigerant gas come in from air entry enters the larger air-breathing bulge of volume through rear cover air intake passage, reduces refrigerant The fluctuation pressure of gas.Then, refrigerant gas enters back into swollen into the master entered after row buffering in exhaust casing in air-breathing voltage stabilizing area Swollen channel, then enter rear cylinder air intake passage by multiple secondary expansion channels, then respectively enter rear cover suction muffler and crankshaft cavity In;Refrigerant gas in crankshaft cavity enters by preceding cylinder air intake passage in protecgulum suction muffler.To be rotated by driving in swash plate When with moving reciprocatingly in each cylinder holes of the piston in preceding cylinder and exhaust casing, form suction chamber, another in one end of piston One end forms compression chamber, and by forward and backward valve plate, and piston inhales the refrigerant gas in the suction muffler in front end housing and back cylinder cover Breathing process is realized into suction chamber.
In breathing process, refrigerant gas is by several secondary expansion channels in exhaust hood simultaneously into back cylinder cover In the protecgulum suction muffler of rear cover suction muffler, crankshaft cavity and front end housing.Make refrigerant gas point multiple secondary expansion channels, step by step Ground is inhaled into suction chamber, to make the refrigerant gas of sucking is more stable to effectively reduce gas, that is, reduces noise.
Its exhaust process is as follows:
The refrigerant gas being discharged from the discharge chamber of front end housing and back cylinder cover is respectively from preceding cylinder exhaust passage, the rear vapour in preceding cylinder The rear cylinder exhaust passage of cylinder enters first exhaust voltage stabilizing area, and two strands of high pressure draughts buffer in first exhaust voltage stabilizing area, then lead to The oil-gas separation chamber that first exhaust passage is entered in oil return apparatus is crossed, the refrigerant gas of high temperature and pressure does S-shaped around oil scavenger High speed rotation(Such as dotted arrow in Fig. 4)Larger centrifugal force is generated, to make the compressor oil in refrigerant gas centrifuge It is splashed on the inner wall of oil-gas separation chamber under the action of power;Then it converges in oil-recovery tank under the effect of gravity, due to oil back chamber The pressure of the pressure ratio crankshaft cavity of interior refrigerant gas is high, so by the compressor oil in oil-recovery tank under the action of pressure difference Enter crankshaft cavity by the drainback passage of small-bore;Oil into crankshaft cavity is directly used in internal motion part lubrication improvement movement portion Part is worn, and can will be played cooling effect and be improved the compressor service life;The effective suction muffler for avoiding the past, back cylinder cover from entering enters Cylinder holes, oil, which is directly entered cylinder holes, can cause liquid hammer to cause valve block fracture and compressor service life.
Meanwhile the refrigerant gas after oil scavenger detaches by the stomata on oil scavenger enter exhaust expansion portion carry out it is swollen It is swollen, then enter in second exhaust voltage stabilizing area through second exhaust channel and carry out voltage stabilizing again, finally pass through the refrigerant of secondary pressure Gas is discharged by exhaust outlet, realizes exhaust process.
Two exhaust voltage stabilizing areas are divided by partition board since voltage stabilizing area will be vented in existing exhaust casing, and in oil return apparatus Bottom be equipped with exhaust expansion portion, be discharged after the refrigerant gas of discharge is passed sequentially through level-one voltage stabilizing, expansion and two level voltage stabilizing, The noise smaller for keeping refrigerant gas more stable, and generating, achievees the purpose that further noise reduction.
The present invention does not limit to above-mentioned specific implementation mode, and every technical staff is made any on the basis of the invention Conspicuously improved, replacement or modification all belongs to the scope of protection of the present invention.

Claims (4)

1. a kind of oil-gas separated-type noise reduction swash-plate-type compressor, including crankshaft cavity(8), exhaust casing(4)With set on exhaust casing (4)On exhaust outlet(3), it is characterised in that:The exhaust outlet(3)Inlet end and second exhaust voltage stabilizing area(43)Connection, institute State second exhaust voltage stabilizing area(43)Pass through partition board(42)With first exhaust voltage stabilizing area(41)Connection, first exhaust voltage stabilizing area(41)With Cylinder exhaust passage afterwards(47)Connection;The partition board(42)Centre offers installation cavity(44), the installation cavity(44)It is embedded with back Oily device(7).
2. a kind of oil-gas separated-type noise reduction swash-plate-type compressor according to claim 1, it is characterised in that:Described time Oily device(7)Positioned at installation cavity(44)One end, be located at oil return apparatus(7)The installation cavity of bottom end(44)Formation exhaust expansion portion (76);The oil return apparatus(7)Including oil scavenger(71), plug(72)And oil-recovery tank(73), it is located at oil scavenger(71)With plug (72)Between form oil-gas separation chamber(74);The oil-gas separation chamber(74)Pass through first exhaust passage(45)It is steady with first exhaust Pressure area(41)Connection, the oil scavenger(71)Gas channel and exhaust expansion portion(76)Connection, the exhaust expansion portion(76)It is logical Cross second exhaust channel(46)With second exhaust voltage stabilizing area(43)Connection.
3. a kind of oil-gas separated-type noise reduction swash-plate-type compressor according to claim 2, it is characterised in that:Described time Oil groove(73)Pass through drainback passage(48)With crankshaft cavity(8)Connection is located at first exhaust voltage stabilizing area(41)Interior gas is through oil return Device(7)After carrying out gas-liquid separation, wherein fluid is through drainback passage(48)Into crankshaft cavity(8)In for lubricating, gas enters Exhaust expansion portion(76)After expansion, through second exhaust channel(46)Into second exhaust voltage stabilizing area(43)Noise reduction, most afterwards through exhaust Mouthful(3)Discharge.
4. a kind of oil-gas separated-type noise reduction swash-plate-type compressor described in the claim 2, it is characterised in that:The row Gas bulge(76)Sectional area be more than oil scavenger gas channel sectional area or be more than second exhaust channel(46)Sectional area.
CN201810254137.8A 2018-03-26 2018-03-26 A kind of oil-gas separated-type noise reduction swash-plate-type compressor Pending CN108361178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810254137.8A CN108361178A (en) 2018-03-26 2018-03-26 A kind of oil-gas separated-type noise reduction swash-plate-type compressor

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Application Number Priority Date Filing Date Title
CN201810254137.8A CN108361178A (en) 2018-03-26 2018-03-26 A kind of oil-gas separated-type noise reduction swash-plate-type compressor

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CN108361178A true CN108361178A (en) 2018-08-03

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102174A (en) * 1986-04-03 1987-10-14 三电有限公司 The cylinder head that is used for refrigeration compressor
DE4006338A1 (en) * 1989-03-02 1990-09-13 Toyoda Automatic Loom Works Swash plate compressor for refrigeration system - incorporates oil-refrigerant separator chamber
DE19610437A1 (en) * 1995-03-17 1996-10-10 Toyoda Automatic Loom Works Vehicle air conditioner with swashplate compressor for oil suspension in cooling gas
JPH0960585A (en) * 1995-08-21 1997-03-04 Toyota Autom Loom Works Ltd Compressor
CN1187584A (en) * 1996-09-30 1998-07-15 株式会社丰田自动织机制作所 Double headed piston type compressor
US20040161346A1 (en) * 2003-02-18 2004-08-19 Halla Climate Control Corporation Compressor
CN2674118Y (en) * 2003-11-23 2005-01-26 广西玉柴机器股份有限公司 Gasoline separating device
CN101315069A (en) * 2007-06-01 2008-12-03 汉拏空调株式会社 Variable capacity swash plate type compressor
EP2088318A1 (en) * 2008-02-05 2009-08-12 Kabushiki Kaisha Toyota Jidoshokki Swash plate compressor
CN103994047A (en) * 2014-05-26 2014-08-20 合肥达因汽车空调有限公司 Rotating inclined disc type compressor
KR20170071048A (en) * 2015-12-15 2017-06-23 이래오토모티브시스템 주식회사 Swash plate compressor with oil separator
CN206522242U (en) * 2017-02-24 2017-09-26 珠海格力节能环保制冷技术研究中心有限公司 Horizontal type scroll compressor
CN208073712U (en) * 2018-03-26 2018-11-09 合肥达因汽车空调有限公司 A kind of oil-gas separated-type noise reduction swash-plate-type compressor

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102174A (en) * 1986-04-03 1987-10-14 三电有限公司 The cylinder head that is used for refrigeration compressor
DE4006338A1 (en) * 1989-03-02 1990-09-13 Toyoda Automatic Loom Works Swash plate compressor for refrigeration system - incorporates oil-refrigerant separator chamber
DE19610437A1 (en) * 1995-03-17 1996-10-10 Toyoda Automatic Loom Works Vehicle air conditioner with swashplate compressor for oil suspension in cooling gas
JPH0960585A (en) * 1995-08-21 1997-03-04 Toyota Autom Loom Works Ltd Compressor
CN1187584A (en) * 1996-09-30 1998-07-15 株式会社丰田自动织机制作所 Double headed piston type compressor
US20040161346A1 (en) * 2003-02-18 2004-08-19 Halla Climate Control Corporation Compressor
CN2674118Y (en) * 2003-11-23 2005-01-26 广西玉柴机器股份有限公司 Gasoline separating device
CN101315069A (en) * 2007-06-01 2008-12-03 汉拏空调株式会社 Variable capacity swash plate type compressor
EP2088318A1 (en) * 2008-02-05 2009-08-12 Kabushiki Kaisha Toyota Jidoshokki Swash plate compressor
CN103994047A (en) * 2014-05-26 2014-08-20 合肥达因汽车空调有限公司 Rotating inclined disc type compressor
KR20170071048A (en) * 2015-12-15 2017-06-23 이래오토모티브시스템 주식회사 Swash plate compressor with oil separator
CN206522242U (en) * 2017-02-24 2017-09-26 珠海格力节能环保制冷技术研究中心有限公司 Horizontal type scroll compressor
CN208073712U (en) * 2018-03-26 2018-11-09 合肥达因汽车空调有限公司 A kind of oil-gas separated-type noise reduction swash-plate-type compressor

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