CN2878733Y - Enclosed compressor for external gas damping cooling device for engine body - Google Patents
Enclosed compressor for external gas damping cooling device for engine body Download PDFInfo
- Publication number
- CN2878733Y CN2878733Y CN 200520008760 CN200520008760U CN2878733Y CN 2878733 Y CN2878733 Y CN 2878733Y CN 200520008760 CN200520008760 CN 200520008760 CN 200520008760 U CN200520008760 U CN 200520008760U CN 2878733 Y CN2878733 Y CN 2878733Y
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- China
- Prior art keywords
- compressor
- noise elimination
- gas
- cooler
- lower bearing
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- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a closed compressor whose body is provided outside with a gas silencer cooler. The lower interface of the gas silencer cooler is positioned at the cavity comprising a lower bearing and the end cover of the lower bearing or a lower silencer cover closely connected with the lower bearing, and the upper interface is positioned at the space comprising a compression pump body and a motor. The specific characteristics are: part of the exhaust gas quantity of the compressed gas from the compressor pump body returns to a sealed container of the compressor after circulating outside the sealed container of the compressor, and converges in the other part of the exhaust gas quantity of the compression pump body, and then is let out of the compressor to the connection tube of an air-conditioner. The model utility can reduce the whole airflow noise triggered by exhaust pulsation of single-cylinder or dual-cylinder rotary closed compressors, reduce oil amount when exhausting, reduce exhaust temperature and improves the efficiency and reliability of the whole.
Description
Technical field
The utility model relates to a kind of hermetic compressor, especially can reduce the pneumatic noise that exhaust causes, and reduces exhaust band oil mass, reduces the single cylinder or the twin-tub sealed rotary compressor of delivery temperature.
Background technique
Current, the formation of single cylinder that manufacturer produces or twin-tub rotation hermetic compressor is: a seal container, at container bottom a certain amount of lubricant oil each slide member in order to the lubricated pump housing is arranged, the centre has been the pump housing of compression and the motor that drives the pump housing.Compressor pump is made up of piston, cylinder, eccentric shaft, main bearing, supplementary bearing, slide plate, spring etc.Do off-centre on the eccentric shaft of piston in cylinder and rotatablely move, slide plate closely contacts with piston under the effect of spring and air pressure cylinder is separated into hyperbaric chamber and low-pressure cavity, thereby with low pressure working fluid boil down to high-pressure working medium and discharge the pump housing.
In this class compressor, along with the pump housing by motor driving, low-temp low-pressure gas is compressed into high temperature and high pressure gas and discharges the pump housing, can produce pneumatic noise in the high temperature and high pressure gas discharge process.In addition, the high temperature and high pressure gas of discharging the pump housing also will cool off owing to produce a large amount of heats and the very high motor of temperature in operation process.Too high delivery temperature can make motor can not get enough coolings, can reduce efficiency of motor.Can make the insulating material of motor impaired when serious, too high temperature can reduce lubricating oil viscosity simultaneously, worsens the lubricated of slide member, thereby influences the reliability of compressor.
Disclosed a kind of rotary compressor in Chinese patent application numbers 85105091, this compressor comprises a seal container, at container bottom lubricant oil is housed; Comprise a motor and by this compressors driven pump housing.The compressor pump inner carrier is done off-centre and is rotatablely moved on the eccentric shaft in the cylinder, a main bearing and a supplementary bearing lay respectively at cylinder both sides and and cylinder be tightly connected, be used for supporting parts such as eccentric shaft.There is the sheet metal part that seals on major and minor bearing, to form airtight cavity volume respectively in addition.Pressurized gas is discharged to airtight cavity volume on the main bearing from cylinder exhaust port, main bearing relief opening, it is external through the through hole of main bearing, cylinder, supplementary bearing and a connecting tube pressurized gas to be discharged to the integrating compressor seal container again, the connecting tube formation thimble tube pipeline of getting back to again after heat exchanger cooling in the compressor seal container body and linking to each other with the sealed volume at another and supplementary bearing place makes cooled pressurized gas be fed to the minor axis end of eccentric shaft with lubricant oil.Because of its eccentric shaft is a hollow, pressurized gas and lubricant oil just can together be arranged to the motor upper end along the eccentric shaft center hole like this, and link to each other with the condenser of air conditioner outside outlet pipe is discharged the compressor seal container.Simultaneously also just because of eccentric shaft has radial hole, so the centrifugal force that lubricant oil can produce by the eccentric shaft rotation and feed to sliding attachment such as bearing.Though this technological scheme can effectively reduce the delivery temperature of compressor, but the problem of bringing is, the lubricants capacity of taking the compressor seal container with exhaust out of is bigger, lubricant oil liquid level in the compressor seal container is reduced, influence the reliability of compressor, the lubricant oil of discharging seal container simultaneously enters the heat exchanger of air conditioner, can reduce the heat exchange efficiency of heat exchanger.Especially to big cold compressor and air conditioner, the influence of band oil mass is bigger.
Summary of the invention
In order to overcome the deficiency of above-mentioned existence, the utility model provides a kind of hermetic compressor of body peripheral hardware gas noise elimination cooler, this hermetic compressor can not only reduce delivery temperature, and can reduce the exhaust airstream noise, reduces the lubricants capacity of taking seal container with exhaust out of.
The technological scheme that the utility model adopted is: increase a noise elimination cooler outside conventional compressor seal container, the lower interface of noise elimination cooler is positioned at by lower bearing and lower bearing tight union piece lower bearing end cap or the following formed cavity of silencer cover place, is positioned at the compression pump housing and place, the formed space of motor and go up interface.A part of high temperature and high pressure gas outer noise elimination cooler of compressor seal container of flowing through earlier in the compressor pump exhaust process, return in the compressor and mix, just be discharged to the pipeline that links to each other with the air conditioner miscellaneous part then from the compressor seal container with another part high temperature and high pressure gas.The increase of the outer noise elimination cooler of seal container not only makes this part high temperature and high pressure gas of the noise elimination cooler of flowing through increase inflation process one time, has reduced pneumatic noise effectively, and makes this part gas obtain cooling, has reduced delivery temperature.Simultaneously in inflation process, because gas flow rate ground reduces, the lubricant oil that has in this part gas is easily separated from the gas, accumulates in bottom the noise elimination cooler and flows back in the seal container.And just reexpanding when flowing back to seal container after this part gas of the noise elimination cooler of flowing through is cooled, the easier lubricant oil that makes separates with refrigeration working medium, be gathered into droplet attached on the part around interface was positioned on the noise elimination cooler the compression pump housing and the place, the formed space of motor and flow back to sealing container bottom gradually, reduce exhaust band oil mass effectively, and then improved the reliability of compressor.
The beneficial effects of the utility model are, thereby the pneumatic noise that can reduce compressor effectively reduces the overall noise of compressor; The high temperature and high pressure gas of cooling compressor pump housing discharge helps the cooling of compressor electric motor effectively, reduces the delivery temperature of compressor; Can reduce compressor air-discharging band oil mass effectively, guarantee lubricant oil liquid level position in the compressor seal container, and then improve the reliability of compressor, the raising that reduces to also help the air conditioner heat exchange efficiency of the band of exhaust simultaneously oil mass.
Description of drawings
Fig. 1 is traditional in the past rotary compressor sectional drawing.
Fig. 2 is a sectional drawing of the present utility model.
Fig. 3 is noise elimination cooler sectional drawing and an outline drawing among Fig. 2.
Fig. 4 and Fig. 5 are respectively two kinds of simplified structure diagrams of noise elimination cooler among Fig. 2.
Fig. 6 is that the utility model is applied in the sectional drawing on the single cylinder rotation hermetic compressor.
Among the figure: 1 outlet pipe; 2 eccentric shafts; 3 rotors; 4 motor stators; 5 suction tude; 6 upper bearing (metal)s; Silencer cover on 7; 8 gas-liquid separators; 9 upper rotor parts; 10 upper cylinders; 11 dividing plates; 12 lower cylinders; 13 lower rotor parts; 14 lower bearings; 15 lower bearing end caps; 16 noise elimination coolers; The 16a expansion chamber; 17 times silencer covers; 18 slide plates; 19 springs; 20 fens chamber plates
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
In embodiment illustrated in fig. 2, the pump housing that motor that rotor (3), motor stator (4) are formed and eccentric shaft (2), upper bearing (metal) (6), last silencer cover (7), upper rotor part (9), upper cylinder (10), dividing plate (11), lower cylinder (12), lower rotor part (13), lower bearing (14), lower bearing end cap (15) are formed is installed in the seal container, in the bottom of seal container is that the III position has lubricant oil, and whole compressor links to each other with the air-conditioning system miscellaneous part with suction tude (5) by outlet pipe (1).The part of the gas after the compressor pump compression is by lower bearing (14), the cavity that lower bearing end cap (15) is formed is discharged, from noise elimination cooler (16) the lower interface noise elimination cooler (16) of flowing through, go up from noise elimination cooler (16) again that interface enters the compression pump housing and the formed space of motor (I space) located, another part of high temperature and high pressure gas after this and pump body compression converges, then through motor gas-gap (gap between rotor (3) and the motor stator (4)), hole on rotor (3) and the motor stator (4), the gap of motor stator (4) and seal container flows to motor top (space, II place) and locates,, enter the air conditioner connecting tube after outlet pipe (1) is discharged compressor.
In the compressor pump exhaust process, wherein a part of gas is discharged to the cavity of lower bearing (14), following silencer cover (17) formation earlier, is discharged to space, I place through noise elimination cooler (16) again.This part pressurized gas expands in the cavity of lower bearing (14), silencer cover (17) formation down earlier and eliminates the noise, in noise elimination cooler (16), expand again and eliminate the noise and cooling, then when cooling silencing apparatus (16) is gone up interface and is discharged into space, I place, back and the part in addition of reexpanding mixed through the gas that the cavity of upper bearing (metal) (6), upward silencer cover (7) formation is discharged into space, I place.Because the increase of noise elimination cooler (16) not only makes this part high temperature and high pressure gas of the noise elimination cooler of flowing through increase inflation process one time, reduce pneumatic noise effectively like this, and made this part gas obtain cooling, reduced delivery temperature.Simultaneously in inflation process, because gas flow rate ground reduces, the lubricant oil that has in this part gas is easily separated from the gas, accumulate in noise elimination cooler bottom and flow back in the seal container, and this part exhaust of the noise elimination cooler (16) of flowing through is cooled, and the easier lubricant oil that makes separates with refrigeration working medium when afterwards reexpanding at the I place, be gathered into droplet attached to also flowing back to sealing container bottom III place gradually on the part around the I place, reduce exhaust band oil mass effectively, and then improve the reliability of compressor.
In another embodiment shown in Figure 6, the pump housing that motor that rotor (3), motor stator (4) are formed and eccentric shaft (2), upper bearing (metal) (6), last silencer cover (7), rotor (9), cylinder (10), lower bearing (14), following silencer cover (17), slide plate (18), spring (19) are formed is installed in the seal container, in the bottom of seal container is that the III position has lubricant oil, and whole compressor links to each other with the air-conditioning system miscellaneous part with suction tude (5) by outlet pipe (1).High temperature and high pressure gas part after the compression that compressor pump is discharged is discharged to space, I place through the cavity of upper bearing (metal) (6), upward silencer cover (7) formation, another part is discharged to the cavity of lower bearing (14), following silencer cover (17) composition earlier, be discharged to space, I place through noise elimination cooler (16) again, all exhausts mix at place, space, I place, mix after the gap of the hole on motor gas-gap (gap between rotor (3) and the motor stator (4)), rotor (3) and the motor stator (4), motor stator (4) and seal container flows to motor top (space, II place) locates., enter the air conditioner connecting tube after outlet pipe (1) is discharged compressor.
In the compressor pump exhaust process, wherein a part of gas is discharged to the cavity of lower bearing (14), following silencer cover (17) formation earlier, is discharged to space, I place through noise elimination cooler (16) again.This part pressurized gas expands in the cavity of lower bearing (14), silencer cover (17) formation down earlier and eliminates the noise, in noise elimination cooler (16), expand again and eliminate the noise and cooling, then when cooling silencing apparatus (16) is gone up interface and is discharged into space, I place, back and the part in addition of reexpanding mixed through the gas that the cavity of upper bearing (metal) (6), upward silencer cover (7) formation is discharged into space, I place.Because the increase of noise elimination cooler (16) not only makes this part high temperature and high pressure gas of the noise elimination cooler of flowing through increase inflation process one time, reduce pneumatic noise effectively like this, and made this part gas obtain cooling, reduced delivery temperature.Simultaneously in inflation process, because gas flow rate ground reduces, the lubricant oil that has in this part gas is easily separated from the gas, accumulate in noise elimination cooler bottom and flow back in the seal container, and this part exhaust of the noise elimination cooler (16) of flowing through is cooled, and the easier lubricant oil that makes separates with refrigeration working medium when afterwards reexpanding at the I place, be gathered into droplet attached to also flowing back to sealing container bottom III place gradually on the part around the I place, reduce exhaust band oil mass effectively, and then improve the reliability of compressor.
Fig. 4 and Fig. 5 are two kinds of simplified structure diagrams of the noise elimination cooler (16) (structure as shown in Figure 3) used among above-mentioned two embodiments.The main distinction of Fig. 4 and Fig. 3 is to have cancelled branch chamber plate (20) in the expansion chamber (16a) of noise elimination cooler (16) of Fig. 4 structure, and the structure of Fig. 5 is more simple, has directly cancelled the expansion chamber (16a) of noise elimination cooler (16) and is reduced to a connecting tube.Though these two kinds of structures have weakened the noise elimination effect of noise elimination cooler (16), little to the function influence that reduces delivery temperature and minimizing exhaust band oil mass, so also with practical value.
Claims (3)
1. the hermetic compressor of a body peripheral hardware gas noise elimination cooler, include cylinder, eccentric shaft (2), the compression pump housing that slide plate (18) etc. are formed, the motor of the drive compression pump housing and a seal container that is used to install described compressor pump and motor, at container bottom a certain amount of lubricant oil each slide member in order to the lubricated pump housing is arranged, it is characterized in that: in the outer installment of described hermetic compressor a gas noise elimination cooler (16), the lower interface of gas noise elimination cooler (16) is positioned at by lower bearing (14) and lower bearing end cap (15) or by lower bearing (14) and the formed cavity of following silencer cover (17) place, locates and go up interface formed space between the compression pump housing and motor.
2. the hermetic compressor of body peripheral hardware gas noise elimination cooler according to claim 1, it is characterized in that: described gas noise elimination cooler (16) is provided with expansion chamber (16a).
3. the hermetic compressor of body peripheral hardware gas noise elimination cooler according to claim 2 is characterized in that: gas noise elimination cooler (16) also can adopt cancellation branchs chamber plate (20) in the expansion chamber (16a) or cancel expansion chamber (16a) and be reduced to two kinds of simplified structures of a connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520008760 CN2878733Y (en) | 2005-03-22 | 2005-03-22 | Enclosed compressor for external gas damping cooling device for engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520008760 CN2878733Y (en) | 2005-03-22 | 2005-03-22 | Enclosed compressor for external gas damping cooling device for engine body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2878733Y true CN2878733Y (en) | 2007-03-14 |
Family
ID=37861148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520008760 Expired - Lifetime CN2878733Y (en) | 2005-03-22 | 2005-03-22 | Enclosed compressor for external gas damping cooling device for engine body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2878733Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635552A (en) * | 2011-02-08 | 2012-08-15 | 株式会社丰田自动织机 | Compressor |
| CN103375387A (en) * | 2012-04-26 | 2013-10-30 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system provided with same |
| CN104121200A (en) * | 2014-07-16 | 2014-10-29 | 珠海凌达压缩机有限公司 | Rotating compressor and air conditioner |
| CN105626529A (en) * | 2016-03-04 | 2016-06-01 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor and refrigeration circulating device provided with same |
| CN111120332A (en) * | 2018-10-30 | 2020-05-08 | 安徽美芝制冷设备有限公司 | Silencer and rotary compressor with same |
-
2005
- 2005-03-22 CN CN 200520008760 patent/CN2878733Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635552A (en) * | 2011-02-08 | 2012-08-15 | 株式会社丰田自动织机 | Compressor |
| CN102635552B (en) * | 2011-02-08 | 2015-05-06 | 株式会社丰田自动织机 | Compressor |
| CN103375387A (en) * | 2012-04-26 | 2013-10-30 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system provided with same |
| CN103375387B (en) * | 2012-04-26 | 2016-06-08 | 珠海格力电器股份有限公司 | Compressor and there is its air-conditioning system |
| CN104121200A (en) * | 2014-07-16 | 2014-10-29 | 珠海凌达压缩机有限公司 | Rotating compressor and air conditioner |
| CN105626529A (en) * | 2016-03-04 | 2016-06-01 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor and refrigeration circulating device provided with same |
| CN111120332A (en) * | 2018-10-30 | 2020-05-08 | 安徽美芝制冷设备有限公司 | Silencer and rotary compressor with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150322 Granted publication date: 20070314 |