CN208073712U - 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 PDFInfo
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- CN208073712U CN208073712U CN201820414710.2U CN201820414710U CN208073712U CN 208073712 U CN208073712 U CN 208073712U CN 201820414710 U CN201820414710 U CN 201820414710U CN 208073712 U CN208073712 U CN 208073712U
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- exhaust
- oil
- voltage stabilizing
- gas
- noise reduction
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Abstract
The utility model 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
Technical field
The utility model is related to Compressor Technology fields, and in particular to a kind of oil-gas separated-type noise reduction rotating sloping disk type compression
Machine.
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 be swash-plate-type compressor, be by the rotational movement piston for shaft being in certain inclined swash plate or
Piston 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.
Utility model content
The purpose of this utility model is to provide a kind of oil-gas separated-type noise reduction swash-plate-type compressor, by refrigerant gas
Middle oil content is separated, and reduces the pulsation of the air-flow in exhaust process, achievees the purpose that reduce noise.
The technical solution of the utility model is：
A kind of oil-gas separated-type noise reduction swash-plate-type compressor, including crankshaft cavity, exhaust casing and on exhaust casing
The inlet end of exhaust outlet, the exhaust outlet is connected to second exhaust voltage stabilizing area, and second exhaust voltage stabilizing area passes through partition board and
One exhaust voltage stabilizing area connection, first exhaust voltage stabilizing area is connected to rear cylinder exhaust passage；Installation cavity, institute are offered among the partition board
It states installation cavity 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 utility model is improved on the basis of ZL201410224443.9, preceding cylinder, front and back cylinder cap
Structure is identical, this text is not repeated.The application is only improved in the exhaust voltage stabilizing area of exhaust casing, by original exhaust voltage stabilizing
Area is divided into two with partition board, 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：
From the discharge chamber of front end housing and back cylinder cover be discharged refrigerant gas respectively from preceding cylinder preceding cylinder exhaust passage,
The rear cylinder exhaust passage of exhaust casing enters first exhaust voltage stabilizing area, and two strands of high pressure draughts buffer in first exhaust voltage stabilizing area, so
The oil-gas separation chamber entered afterwards by first exhaust passage in oil return apparatus, the refrigerant gas S-shaped of high temperature and pressure, which is unrolled, returns
Oily device does high speed rotation and generates larger centrifugal force, to make the compressor oil in refrigerant gas fly under the influence of centrifugal force
It splashes 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 the pressure ratio crankshaft cavity of body is high, so the compressor oil in oil-recovery tank is passed through small-bore under the action of pressure difference
Drainback passage enters crankshaft cavity；Oil into crankshaft cavity is directly used in internal motion part lubrication, improves moving component abrasion；It can also
Cooling effect is played, to improve the compressor service life；And be effectively prevented from its premenstrual, back cylinder cover and enter suction muffler, enter back into cylinder
Hole can cause liquid hammer that valve block is caused to be broken, influence compressor service life when oil is directly entered cylinder holes.
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
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the compressor side view of the utility model；
Fig. 2 is the inner side view of exhaust casing in the utility model；
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 utility model is improved on the basis of ZL201410224443.9, preceding cylinder, front and back cylinder cap
Structure is identical, this text is not repeated.The application is only improved in the exhaust voltage stabilizing area of exhaust casing, by original exhaust voltage stabilizing
Area is divided into two with partition board, 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 system
The fluctuation pressure of refrigerant gas.Then, refrigerant gas enters back into air-breathing voltage stabilizing area and enters in exhaust casing into after row buffering
Main inflation channel, then enter rear cylinder air intake passage by multiple secondary expansion channels, then respectively enter rear cover suction muffler and song
In axocoel；Refrigerant gas in crankshaft cavity enters by preceding cylinder air intake passage in protecgulum suction muffler.To be driven in swash plate
It moves reciprocatingly in each cylinder holes when rotation with piston in preceding cylinder and exhaust casing, sucking is formed in one end of piston
Chamber, the other end form compression chamber, and by forward and backward valve plate, and piston is by the refrigerant in the suction muffler in front end housing and back cylinder cover
Breathing process is realized in gas inspiration 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：
From the discharge chamber of front end housing and back cylinder cover be discharged refrigerant gas respectively from preceding cylinder preceding cylinder exhaust passage,
The rear cylinder exhaust passage of exhaust casing enters first exhaust voltage stabilizing area, and two strands of high pressure draughts buffer in first exhaust voltage stabilizing area, so
The oil-gas separation chamber entered afterwards by first exhaust passage in oil return apparatus, the refrigerant gas of high temperature and pressure are done around oil scavenger
S-shaped high speed rotation（Such as dotted arrow in Fig. 4）Generate larger centrifugal force, to make the compressor oil in refrigerant gas from
It is splashed on the inner wall of oil-gas separation chamber under the action of mental and physical efforts；Then it converges in oil-recovery tank under the effect of gravity, due to oil return
The pressure of the pressure ratio crankshaft cavity of the refrigerant gas of intracavitary is high, so by the compressor in oil-recovery tank under the action of pressure difference
Oil enters crankshaft cavity by the drainback passage of small-bore；Oil into crankshaft cavity is directly used in the lubrication improvement movement of internal motion part
Component wear, and can will play cooling effect and improve the compressor service life；It is effective avoid in the past, the suction muffler that enters of back cylinder cover into
Enter 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 utility model does not limit to above-mentioned specific implementation mode, and every technical staff is made on the basis of the invention
Any conspicuously improved, replacement or modification belongs to the scope of protection of the utility model.
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 according to 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414710.2U CN208073712U (en) | 2018-03-26 | 2018-03-26 | A kind of oil-gas separated-type noise reduction swash-plate-type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414710.2U CN208073712U (en) | 2018-03-26 | 2018-03-26 | A kind of oil-gas separated-type noise reduction swash-plate-type compressor |
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| Publication Number | Publication Date |
|---|---|
| CN208073712U true CN208073712U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820414710.2U Active CN208073712U (en) | 2018-03-26 | 2018-03-26 | A kind of oil-gas separated-type noise reduction swash-plate-type compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361178A (en) * | 2018-03-26 | 2018-08-03 | 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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2018
- 2018-03-26 CN CN201820414710.2U patent/CN208073712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361178A (en) * | 2018-03-26 | 2018-08-03 | 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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