CN2747381Y - Bypass type variable displacement vortex compressor - Google Patents
Bypass type variable displacement vortex compressor Download PDFInfo
- Publication number
- CN2747381Y CN2747381Y CN 200420062933 CN200420062933U CN2747381Y CN 2747381 Y CN2747381 Y CN 2747381Y CN 200420062933 CN200420062933 CN 200420062933 CN 200420062933 U CN200420062933 U CN 200420062933U CN 2747381 Y CN2747381 Y CN 2747381Y
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Abstract
The utility model discloses a bypass type variable displacement vortex compressor responding to suction pressure by utilizing the characteristic that if the temperature in the vehicle is low, the suction pressure is low. The bypass type variable displacement vortex compressor is characterized in that the disc body of the vortex type still disc is provided with at least a pair of air return holes communicated with a crescent air suction cavity; the disc body of the vortex type still disc is provided with at least a pair of bypass holes communicated with the crescent intermediate cavity; the housing is provided with a pair of cylinder holes, and the housing on one side of cylinder pores is provided with side holes corresponding to air return holes and bypass holes; the inner of the cylinder hole is provided with a hollow piston, whose inner is provided with an elastic body. The housing of a valve is provided with three groups of holes A, B, and C; one end of the hole An is communicated with an air suction port or an air suction cavity of the compressor by a pipeline; the hole B is communicated with the end of the hollow piston in the cylinder hole; the hole C is communicated with the exhaust chamber of the compressor. The utility model solves the stationarity problem of cooling capability of the existing vehicle air conditioning system driven by the vortex compressor, which can get cooling capability of the air conditioning system be free from influences of vehicle speed and weather variations of the environment.
Description
Technical field
The utility model relates to a kind of scroll compressor, and specifically a kind of bypass type becomes the discharge capacity scroll compressor.
Background technique
At present, rely on the automobile trip to be still the important method that people are upper and lower and travel outdoors, and along with the raising of people to the requirement of trip travelling comfort, car air conditioner has become the indispensable function of various vehicles.Existing car air conditioner is a kind of air-conditioning system by the engine-driving compressor.Scroll compressor is very a kind of rapidly idle call compressor of development in recent years, and it has the rotating speed height, can less, proper functioning under the no deep-fried twisted dough sticks spare, long service life, simple advantage easy to maintenance has been widely used as the used for automobile air conditioning compressor.Scroll compressor is generally directly driven by master motor, in order to obtain satisfied refrigeration (heat) effect, generally all measure makes scroll compressor be in the state of running up through speedup, with refrigeration (heat) effect that guarantees compressor when automobile is in idling mode, but along with the variation of the speed of a motor vehicle and load, the rotating speed of compressor also certainly will change thereupon, and then makes refrigeration (heat) ability of air-conditioning system suddenly big or suddenly small, not only influence the travelling comfort of air in the car, and waste energy.For city bus, peak period on and off duty and night low peak period, the speed of a motor vehicle and load variations are very big, for other motorbus, on common road and expressway and when fully loaded and unloaded, its velocity variations is also very big, and refrigeration (heat) amount was more suitable when these all can make vehicle low speed occur, the superfluous phenomenon of (heat) amount of then freezing when high speed.At this problem, generally take break-make, and then the method for start-stop of control compressor solves by solenoidoperated cluthes, though this method can realize vehicle interior temperature steadily, but the break-make of clutch will certainly cause the variation of engine loading, causes that neglecting of the speed of a motor vehicle is fast slow suddenly.The ratio that the compressor power consumption accounts for the motor total output is big more, it changes just obvious more, so adopt clutch to control the start-stop of compressor and then realize that the method for vehicle interior temperature stationarity not only can influence the travelling comfort of taking, and owing to suddenly suddenly can have influence on traveling security slowly soon in the running process.
Summary of the invention
The purpose of this utility model is the problem that exists in the existing vortex type automobile air conditioner compressor work, utilize the low then low characteristics of pressure of inspiration(Pi) of vehicle interior temperature, provide a kind of bypass type of response suction pressure to become the discharge capacity scroll compressor, solving the stationarity problem of existing refrigeration (heat) ability, thereby make refrigeration (heat) ability of air-conditioning system not be subjected to the influence of the speed of a motor vehicle and extraneous changes of weather by scroll compressor driven vehicles air-conditioning system.
The technical solution of the utility model is:
A kind of bypass type becomes the discharge capacity scroll compressor, comprise housing, vortex static disc, vortex moveable disc, protecgulum, bent axle, eccentric bushing, control valve, control valve is by bellows, the rear portion of housing is formed and be installed in to spool and valve shell, vortex static disc and vortex moveable disc match to merge and are installed in the housing, vortex static disc is fixed in the housing, vortex moveable disc links to each other with eccentric bushing, eccentric bushing links to each other with bent axle, bent axle is arranged in protecgulum, protecgulum links to each other with housing, clutch pulley is installed on the protecgulum, and clutch pulley drives the bent axle rotation by the friction plate rotation that drive is installed on the bent axle; After matching with vortex moveable disc, vortex static disc forms crescent shape air aspiration cavity, crescent shape intermediate cavity, crescent shape center cavity, the crescent moon center cavity communicates with the suction port of outlet valve, it is characterized in that offering a pair of return-air hole at least on eddy type vortex static disc disk body, return-air hole communicates with the crescent shape air aspiration cavity; At least offer a pair of by-pass hole on the vortex static disc disk body, by-pass hole communicates with the crescent shape intermediate cavity; Be provided with a pair of casing bore at housing, have on the housing of one side of casing bore communicate with casing bore and respectively with the vortex static disc disk body on return-air hole and the corresponding side opening of by-pass hole, side opening communicates with return-air hole and by-pass hole on the quiet dish by corresponding pipe; Box type piston is housed in the casing bore; On the box type piston He in the piston hole elastomer is installed; Have three groups of hole A, B, C on the valve shell, the end of hole A communicates with the intakeport or the air aspiration cavity of compressor by pipeline, and the piston hole on the box type piston in hole B and the casing bore communicates, and hole C communicates with the exhaust cavity of compressor.
Crescent moon air aspiration cavity and crescent shape intermediate cavity communicate with casing bore on the housing by pipeline, and box type piston opens or cut out the side opening that communicates with the crescent shape intermediate cavity on the housing of a side of casing bore when mobile in casing bore.
Box type piston is realized the location by the gas pressure in elastomeric elastic force and the hole B.
The hole A the other end on the control valve valve shell communicates with bellows, and bellows links to each other with spool, and the pressure that is arranged in the hole B of spool one side is substantially equal to the pressure of hole C or hole A.
Casing bore, elastomer, box type piston are the critical pieces of composition Flow-rate adjustment of the present utility model actuator, elastomer and box type piston are installed in the casing bore, elastomer is installed in the box type piston, the spool of an elastomeric end and control valve offsets, and the cap on the other end and the housing offsets.One end of box type piston communicates with the hole B of control valve, and the other end is supported by elastomer.
Control valve as Flow-rate adjustment control mechanism of the present utility model comprises bellows, spool, valve shell and O RunddichtringO, the pressure of intakeport by pipeline in hole A flows to chamber, the bellows outside, when pressure of inspiration(Pi) is high, when just vehicle interior temperature is high, bellows contract, spool is moved to the left, and the passage between hole C and the hole B is closed, and box type piston top side pressure reduces, promoted by elastomer, piston is moved to the top, close by-pass hole, compressor is with 100% discharge capacity work; When pressure of inspiration(Pi) is low, when just vehicle interior temperature is low, bellows is upheld, and spool moves right, and the passage between hole C and the hole B is by open-minded, box type piston top side pressure rises, overcome elastomer thrust, piston is moved to afterbody, open by-pass hole, the gas backstreaming of part intermediate cavity is to air aspiration cavity, and compressor is worked with the part discharge capacity.Near the center of scroll, the gas of backflow is many more more in the position of by-pass hole, and this moment, the discharge capacity of compressor was more little.
Described elastomer can be spring or elastic caoutchouc, wherein is best with the spring.
Flow-rate adjustment actuator is the best with two, and two Flow-rate adjustment actuators can be arranged symmetrically in housing bottom, also can asymmetricly be arranged in housing bottom; The Flow-rate adjustment control mechanism is good with one.
The beneficial effects of the utility model:
1, utilize simple mechanical means to solve the change discharge capacity problem of scroll compressor, have simple in structure, easy for installation, the outstanding advantage of reliable operation.
2, needn't carry out switching to clutch continually, solved the problem of scroll compressor Fraquent start to the influence of engine loading, what can prevent the speed of a motor vehicle that causes owing to load variations suddenly neglects slow problem soon, has improved the travelling comfort and the traveling security of vehicle ride.
Temperature when 3, helping reducing the scroll compressor high speed operation, the life-span of prolongation compressor.
4, solved motor bus, the stationarity problem of bus vehicle interior temperature particularly no matter to make it be to be in idling mode or fast state, no matter when being fully loaded or unloaded, all can obtain more stable temperature in the car.
5, easy to process, can significantly reduce the volume of quiet dish.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
A kind of bypass type becomes the discharge capacity scroll compressor, comprise housing 1, vortex static disc 2, vortex moveable disc 3, protecgulum 4, bent axle 5, eccentric bushing 6, control valve 7, control valve 7 is by bellows 8, the rear portion of housing 1 is formed and be installed in to spool 9 and valve shell 10, vortex static disc 2 matches to merge with vortex moveable disc 3 and is installed in the housing 1, vortex static disc 2 is fixed in the housing 1, vortex moveable disc 3 links to each other with eccentric bushing 6, eccentric bushing 6 links to each other with bent axle 5, bent axle 5 is arranged in protecgulum 4, protecgulum 4 links to each other with housing 1, clutch pulley 11 is installed on the protecgulum 4, and clutch pulley 11 drives bent axle 5 rotations by friction plate 12 rotations that drive is installed on the bent axle 5; After matching with vortex moveable disc 3, vortex static disc 2 forms crescent shape air aspiration cavity 13, crescent shape intermediate cavity 14, crescent shape center cavity 15, crescent moon center cavity 15 communicates with the suction port of outlet valve 16, offer a pair of return-air hole 17 on vortex static disc 2 disk bodies, return-air hole 17 communicates with crescent shape air aspiration cavity 13; Also offer a pair of by-pass hole 18 on the disk body of vortex static disc 2, by-pass hole 18 communicates with crescent shape intermediate cavity 14; On housing 1, be provided with a pair of casing bore 19,20, casing bore 19,20 can be arranged symmetrically in the bottom of housing 1, also can asymmetricly be arranged in the bottom of housing 1, have on the housing 1 of one side of casing bore 19 or casing bore 20 communicate with it and respectively with the disk body of vortex static disc 2 on return-air hole 17 and by-pass hole 18 corresponding side openings 21,22, side opening 21,22 communicates with return-air hole 17 and by-pass hole 18 on the vortex static disc 2 by corresponding pipe 23; In the casing bore 19,20 box type piston 24 is housed all; Elastomer 26 is installed in the box type piston 24; Have three groups of hole A, B, C on the valve shell 10, the end of hole A communicates with compressor air suction mouth or air aspiration cavity 28 by pipeline 27, and hole B communicates with cylinder apical pore 25 in casing bore 19 or 20, and hole C communicates with compressor discharge chamber 30.
Crescent moon air aspiration cavity 13 and crescent shape intermediate cavity 14 communicate with casing bore 19 or 20 on the housing 1 by pipeline, box type piston 24 opens or cuts out the side opening 21 or 22 that communicates with crescent shape intermediate cavity 14 on the housing 1 of a side of casing bore 19 or 20 in casing bore 19 or 20 when mobile.
The other end of hole A on the valve shell 10 of control valve 7 communicates with bellows 8, and bellows 8 links to each other with spool 9, and the pressure that is arranged in the hole B of spool 9 one sides is substantially equal to the pressure of hole C or hole A.
Discharge capacity adjustment process of the present utility model is as follows:
Under the normal condition, an end of elastomer 26 and box type piston 24 inboards offset, and the cap 31 on the other end and the housing 1 offsets.One end of box type piston 24 communicates with the hole B of control valve 7, and the other end is supported by elastomer 26.
During work, the pressure of compressor air suction mouth by pipeline 27 in hole A flows to chamber, bellows 8 outside, when pressure of inspiration(Pi) is high, when just vehicle interior temperature is high, bellows 8 shrinks, spool 9 is moved to the left, and the passage between hole C and the hole B is closed, and box type piston 24 top side pressure reduce, be subjected to the promotion of elastomer 26, box type piston 24 is moved to the top, close by-pass hole 18, compressor is with 100% discharge capacity work; When pressure of inspiration(Pi) is low, when just vehicle interior temperature is low, bellows 8 is upheld, and spool 9 moves right, and the passage between hole C and the hole B is by open-minded, box type piston 24 top side pressure rise, overcome elastomer 26 thrusts, box type piston 24 is moved to afterbody, open by-pass hole 18, portion gas in the crescent shape intermediate cavity 14 is back in the crescent shape air aspiration cavity 13, and compressor is worked with the part discharge capacity.Near the center of vortex static disc 2, the gas of backflow is many more more in the position of by-pass hole 18, and this moment, the discharge capacity of compressor was more little.
It is same as the prior art that the utility model does not relate to part.
Claims (3)
1, a kind of bypass type becomes the discharge capacity scroll compressor, comprise housing, vortex static disc, vortex moveable disc, protecgulum, bent axle, eccentric bushing, control valve, control valve is by bellows, the rear portion of housing is formed and be installed in to spool and valve shell, vortex static disc and vortex moveable disc match to merge and are installed in the housing, vortex static disc is fixed in the housing, vortex moveable disc links to each other with eccentric bushing, eccentric bushing links to each other with bent axle, bent axle is arranged in protecgulum, protecgulum links to each other with housing, clutch pulley is installed on the protecgulum, and clutch pulley drives the bent axle rotation by the friction plate rotation that drive is installed on the bent axle; After matching with vortex moveable disc, vortex static disc forms crescent shape air aspiration cavity, crescent shape intermediate cavity, crescent shape center cavity, the crescent moon center cavity communicates with the suction port of outlet valve, it is characterized in that offering at least on the vortex static disc disk body a pair of return-air hole, return-air hole communicates with the crescent shape air aspiration cavity; At least offer a pair of by-pass hole on the vortex static disc disk body, by-pass hole communicates with the crescent shape intermediate cavity; Be provided with a pair of casing bore at housing, have on the housing of one side of casing bore communicate with casing bore and respectively with the vortex static disc disk body on return-air hole and the corresponding side opening of by-pass hole, side opening communicates with return-air hole and by-pass hole on the vortex static disc by corresponding pipe; Box type piston is housed in the casing bore; In the piston hole in the box type piston elastomer is installed; Have three groups of hole A, B, C on the valve shell, the end of hole A communicates with the intakeport or the air aspiration cavity of compressor by pipeline, and the piston hole on the box type piston in hole B and the casing bore communicates, and hole C communicates with the exhaust cavity of compressor.
2, bypass type according to claim 1 becomes the discharge capacity scroll compressor, it is characterized in that crescent moon air aspiration cavity and crescent shape intermediate cavity communicate with casing bore on the housing by pipeline, box type piston opens or cuts out the side opening that communicates with the crescent shape intermediate cavity on the housing of a side of casing bore when mobile in casing bore.
3, bypass type according to claim 1 becomes the discharge capacity scroll compressor, it is characterized in that the hole A the other end on the control valve valve shell communicates with bellows, bellows links to each other with spool, and the pressure that is arranged in the hole B of spool one side is substantially equal to the pressure of hole C or hole A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062933 CN2747381Y (en) | 2004-07-21 | 2004-07-21 | Bypass type variable displacement vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062933 CN2747381Y (en) | 2004-07-21 | 2004-07-21 | Bypass type variable displacement vortex compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2747381Y true CN2747381Y (en) | 2005-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420062933 Expired - Lifetime CN2747381Y (en) | 2004-07-21 | 2004-07-21 | Bypass type variable displacement vortex compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2747381Y (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453816C (en) * | 2006-09-22 | 2009-01-21 | 南京奥特佳冷机有限公司 | Whirl type compressor used displacement variable control device |
| CN106321430A (en) * | 2015-07-01 | 2017-01-11 | 艾默生环境优化技术有限公司 | Compressor and valve assembly |
| US9989057B2 (en) | 2014-06-03 | 2018-06-05 | Emerson Climate Technologies, Inc. | Variable volume ratio scroll compressor |
| US10066622B2 (en) | 2015-10-29 | 2018-09-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation system |
| US10094380B2 (en) | 2012-11-15 | 2018-10-09 | Emerson Climate Technologies, Inc. | Compressor |
| US10323638B2 (en) | 2015-03-19 | 2019-06-18 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10378540B2 (en) | 2015-07-01 | 2019-08-13 | Emerson Climate Technologies, Inc. | Compressor with thermally-responsive modulation system |
| US10495086B2 (en) | 2012-11-15 | 2019-12-03 | Emerson Climate Technologies, Inc. | Compressor valve system and assembly |
| US10753352B2 (en) | 2017-02-07 | 2020-08-25 | Emerson Climate Technologies, Inc. | Compressor discharge valve assembly |
| US10801495B2 (en) | 2016-09-08 | 2020-10-13 | Emerson Climate Technologies, Inc. | Oil flow through the bearings of a scroll compressor |
| US10890186B2 (en) | 2016-09-08 | 2021-01-12 | Emerson Climate Technologies, Inc. | Compressor |
| US10954940B2 (en) | 2009-04-07 | 2021-03-23 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US10962008B2 (en) | 2017-12-15 | 2021-03-30 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10995753B2 (en) | 2018-05-17 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US11022119B2 (en) | 2017-10-03 | 2021-06-01 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US11655813B2 (en) | 2021-07-29 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor modulation system with multi-way valve |
| US11846287B1 (en) | 2022-08-11 | 2023-12-19 | Copeland Lp | Scroll compressor with center hub |
| US11965507B1 (en) | 2022-12-15 | 2024-04-23 | Copeland Lp | Compressor and valve assembly |
-
2004
- 2004-07-21 CN CN 200420062933 patent/CN2747381Y/en not_active Expired - Lifetime
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453816C (en) * | 2006-09-22 | 2009-01-21 | 南京奥特佳冷机有限公司 | Whirl type compressor used displacement variable control device |
| US11635078B2 (en) | 2009-04-07 | 2023-04-25 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US10954940B2 (en) | 2009-04-07 | 2021-03-23 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US11434910B2 (en) | 2012-11-15 | 2022-09-06 | Emerson Climate Technologies, Inc. | Scroll compressor having hub plate |
| US10907633B2 (en) | 2012-11-15 | 2021-02-02 | Emerson Climate Technologies, Inc. | Scroll compressor having hub plate |
| US10094380B2 (en) | 2012-11-15 | 2018-10-09 | Emerson Climate Technologies, Inc. | Compressor |
| US10495086B2 (en) | 2012-11-15 | 2019-12-03 | Emerson Climate Technologies, Inc. | Compressor valve system and assembly |
| US9989057B2 (en) | 2014-06-03 | 2018-06-05 | Emerson Climate Technologies, Inc. | Variable volume ratio scroll compressor |
| US10323639B2 (en) | 2015-03-19 | 2019-06-18 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10323638B2 (en) | 2015-03-19 | 2019-06-18 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10378540B2 (en) | 2015-07-01 | 2019-08-13 | Emerson Climate Technologies, Inc. | Compressor with thermally-responsive modulation system |
| US10598180B2 (en) | 2015-07-01 | 2020-03-24 | Emerson Climate Technologies, Inc. | Compressor with thermally-responsive injector |
| CN106321430B (en) * | 2015-07-01 | 2019-05-28 | 艾默生环境优化技术有限公司 | Compressor and valve module |
| CN106321430A (en) * | 2015-07-01 | 2017-01-11 | 艾默生环境优化技术有限公司 | Compressor and valve assembly |
| US10087936B2 (en) | 2015-10-29 | 2018-10-02 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation system |
| US10066622B2 (en) | 2015-10-29 | 2018-09-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation system |
| US10801495B2 (en) | 2016-09-08 | 2020-10-13 | Emerson Climate Technologies, Inc. | Oil flow through the bearings of a scroll compressor |
| US10890186B2 (en) | 2016-09-08 | 2021-01-12 | Emerson Climate Technologies, Inc. | Compressor |
| US10753352B2 (en) | 2017-02-07 | 2020-08-25 | Emerson Climate Technologies, Inc. | Compressor discharge valve assembly |
| US11022119B2 (en) | 2017-10-03 | 2021-06-01 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10962008B2 (en) | 2017-12-15 | 2021-03-30 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10995753B2 (en) | 2018-05-17 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US11754072B2 (en) | 2018-05-17 | 2023-09-12 | Copeland Lp | Compressor having capacity modulation assembly |
| US11655813B2 (en) | 2021-07-29 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor modulation system with multi-way valve |
| US11879460B2 (en) | 2021-07-29 | 2024-01-23 | Copeland Lp | Compressor modulation system with multi-way valve |
| US11846287B1 (en) | 2022-08-11 | 2023-12-19 | Copeland Lp | Scroll compressor with center hub |
| US11965507B1 (en) | 2022-12-15 | 2024-04-23 | Copeland Lp | Compressor and valve assembly |
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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: 20140721 Granted publication date: 20051221 |