CN2597711Y - Co-axial co-wire starting-type electric vortex compressor - Google Patents
Co-axial co-wire starting-type electric vortex compressor Download PDFInfo
- Publication number
- CN2597711Y CN2597711Y CNU03220227XU CN03220227U CN2597711Y CN 2597711 Y CN2597711 Y CN 2597711Y CN U03220227X U CNU03220227X U CN U03220227XU CN 03220227 U CN03220227 U CN 03220227U CN 2597711 Y CN2597711 Y CN 2597711Y
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- compressor
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- transmission
- type electric
- axle envelope
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- Rotary Pumps (AREA)
Abstract
The utility model relates to a coaxes and collinear open type electric motion vortex compressor. The motor and the compressor are two effectively independent objects and an axial seal is arranged between the motor and the compressor. The utility model is characterized in that the output axis of the motor and the input axis of the compressor are synclastic in a line and are connected with each other by a transmission piece. The transmission piece is an axis coupling transmission, a key transmission or an eccentric bushing transmission. When adopting axis coupling transmission, the axial seal is arranged at the output axis end of the compressor; when adopting a key and the eccentric bushing transmission, the axis seal is arranged at the output axis end of the motor with the high pressure opening facing to the compressor and the low pressure opening facing to the motor.
Description
Technical field
The utility model relates to the refrigeration compressor field, especially a kind of coaxial, conllinear opening type electric scroll compressor.
Background technique
Refrigeration electric scroll formula compressor commonly used generally all adopts full-closed structure (as domestic air conditioning), its motor and compressor are coaxial, all are enclosed in the metal shell all cooled dose encirclement of the stator and rotor of motor, the advantage of this structure is that machine volume is little, and refrigeration agent can not leak.When shortcoming was compressor operating, the heat that motor itself distributes will be taken away by cooling cycle system, under hot environment, heat load is also big, and is unfavorable to the heat radiation of motor self like this, and it is too high that motor is heated up, easy burn-out, and the heat radiation of motor has consumed a part of refrigerating capacity; In addition, full-closed structure has brought inconvenience also for maintenance, maintenance machinery.And the rotor winding of motor soaked by gaseous state or liquid refrigerant, so the winding of motor needs good insulating properties and resistance to chemical corrosion, and motor requires high, need use special machines.
For totally-enclosed compressor, its power section of open type compressor (as motor etc.) two independently parts be divided into compressor section.The power output of power section is to drive drive mechanisms such as belt pulley, belt, gear or shaft coupling by line shaft, drives compressor (as automobile air conditioner compressor) work.The advantage of this structure is that the heat oneself that motor produces has nothing to do with fan cooled and compressor cooling circulation, the refrigeration system heat load mostly can not influence the heat radiation and the proper functioning of motor again, the heat radiation of motor does not consume the refrigeration system energy yet, and motor is the common standard motor of technology maturation.Opening type is independently divided body structure mutually, has brought convenience to care and maintenance.But the shortcoming of opening type structure also is conspicuous, and promptly machine volume increases, and the bad meeting of the sealing of compressor input shaft makes leakage of refrigerant, needs often to change the sealing blowout patche.
Summary of the invention
The purpose of this utility model provides a kind of have concurrently totally-enclosed and coaxial, conllinear opening type electric scroll compressors two kinds of structural advantages of opening type, and above-mentioned purpose is realized by following technological scheme:
Coaxial, conllinear opening type electric scroll compressor, motor and compressor are two bodies independently separately, between the axle envelope is set, it is characterized in that motor output shaft and compressor input shaft straight line altogether in the same way, driving component connection between the two.Said driving component is coupling transmission, key transmission or eccentric bush transmission.When adopting the coupling transmission, the axle envelope is arranged at compressor output axle head, and when adopting key and eccentric bush transmission, the axle envelope is arranged at the motor output shaft end, and the high-pressure mouth of axle envelope is towards compressor, and low pressure port is towards motor.
Advantage of the present utility model and effect:
1. the power input shaft of the pto of motor and scroll compressor all on same straight line or output shaft and input shaft be same axle.
2. the active chamber of the active chamber of compressor and motor is separate, it is the product that cries the mature technology production of lips axle envelope with a kind of, or with the axle envelope of other patterns, be installed on compressor input shaft or the motor output shaft, to guarantee that the refrigeration agent in the compressor operating chamber can not leak good sealing effect.Make make the opening type structure after, the refrigeration agent of compressor can not leak in the motor body, therefore opening type structure of the present utility model can reach " coaxial " transmission effect that is similar to full-closed structure, machine volume is reduced greatly than " opening type " of traditional concept, the advantage that has simultaneously traditional opening type again, two kinds of advantages of totally-enclosed and opening type (detachable) are rolled into one, and application prospect is good.
Description of drawings
Fig. 1 is the coaxial unlatching electric scroll of the utility model key connecting crank type compressor arrangement figure;
Fig. 2 is the coaxial unlatching electric scroll of the utility model key connecting eccentric bush type compressor arrangement figure;
Fig. 3 is that the utility model conllinear is opened electric scroll coupling type compressor arrangement figure;
Fig. 4 is the structural drawing of lips axle envelope.
Embodiment
As shown in Figure 1, motor output shaft 1 is by key or spline 2 direct drive cranks 3, and driving to scroll compressor movable orbiting scroll 4,5 again is quiet whirlpool dish, and lips axle envelope 6 is installed in the motor output shaft end.Among Fig. 2, motor output shaft 1 directly is enclosed within on the eccentric bush 12, and driving to scroll compressor movable orbiting scroll 4,5 is quiet whirlpool dish, and lips axle envelope 6 is installed in the motor output shaft end.What Fig. 3 adopted is the direct kind of drive of elastic coupling, can adopt diaphragm coupling 7 that the output of motor shaft 1 is driven to compressor shaft, and lips axle envelope 6 need be installed in the compressor input shaft end.Above-mentioned coaxial key transmission and eccentric bush transmission are compared with the transmission of conllinear coupling, and in key and the eccentric bush transmission, motor is parts independently, and when compressor separated, motor can also proper functioning.And compressor is not owing to have main drive shaft, do not support the bearing of main drive shaft and do not have compressor front cover (front cover and motor are shared), so compressor can't work alone after separating.But it is more compact that advantage is the complete machine axial dimension, and component are few.Wherein the eccentric bush type has saved the crank throw component, makes that the point of making a concerted effort of the fulcrum of input shaft and compressor is nearer what axially lean on, and is stressed better.The transmission of conllinear coupling, motor and compressor are parts independently, and body is connected by flange, and transmission shaft is connected by coupling, and separately rear motor and compressor can both work alone.But the complete machine axial dimension is bigger, and diaxon centering requires high during assembling.Above-mentioned regardless of the sort of kind of drive, when lips axle envelope is installed, all should be with its high-pressure mouth (osculum) towards compressor, towards motor, when compressor operating, pressure is high more like this, seals reliable more for low pressure port (big mouthful).Lips axle envelope has approved product commercially available, and as shown in Figure 4, strata polytetrafluoroethylsealed sealed 9 and metal frame 10,11 constituted in its structure was reached by outer layer rubber sealing 8.
Claims (3)
1, coaxial, conllinear opening type electric scroll compressor, motor and compressor are two bodies independently separately, between the axle envelope is set, it is characterized in that motor output shaft and compressor input shaft straight line altogether in the same way, driving component connection between the two.
2, coaxial, conllinear opening type electric scroll compressor according to claim 1 is characterized in that said driving component is coupling transmission, key transmission or eccentric bush transmission.
3, coaxial, conllinear opening type electric scroll compressor according to claim 2, when it is characterized in that adopting the coupling transmission, the axle envelope is arranged at compressor output axle head, when adopting key and eccentric bush transmission, the axle envelope is arranged at the motor output shaft end, the high-pressure mouth of axle envelope is towards compressor, and low pressure port is towards motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU03220227XU CN2597711Y (en) | 2003-03-06 | 2003-03-06 | Co-axial co-wire starting-type electric vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU03220227XU CN2597711Y (en) | 2003-03-06 | 2003-03-06 | Co-axial co-wire starting-type electric vortex compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2597711Y true CN2597711Y (en) | 2004-01-07 |
Family
ID=34161757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU03220227XU Expired - Fee Related CN2597711Y (en) | 2003-03-06 | 2003-03-06 | Co-axial co-wire starting-type electric vortex compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2597711Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343529C (en) * | 2005-07-04 | 2007-10-17 | 兰州理工大学 | Vortex compressor |
-
2003
- 2003-03-06 CN CNU03220227XU patent/CN2597711Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343529C (en) * | 2005-07-04 | 2007-10-17 | 兰州理工大学 | Vortex compressor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040107 Termination date: 20110306 |