CN1548753A - Closed rotary compressor - Google Patents
Closed rotary compressor Download PDFInfo
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- CN1548753A CN1548753A CNA031298761A CN03129876A CN1548753A CN 1548753 A CN1548753 A CN 1548753A CN A031298761 A CNA031298761 A CN A031298761A CN 03129876 A CN03129876 A CN 03129876A CN 1548753 A CN1548753 A CN 1548753A
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- rotary compressor
- closed rotary
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Abstract
The sealed rotary compressor includes the following parts: cylinder assembly; rotating shaft installed to penetrate the cylinder assembly and to form eccentric part; rotating piston moving together with the eccentric part of the rotating shaft and capable of rotating and revolving inside the sealed space; and several vanes with one end contacting with the rotating piston, inserted into the cylinder body to reciprocate linearly in radius direction, and separating the sealed space to compress the refrigerant sucked via the sucking holes and exhaust via the exhaust holes. Each turn of the rotating shaft can realize several strokes and this raises the compression efficiency. The sucking force and the exhaust force produced with the compression of the refrigerant are symmetrical about the cylinder axle, and this can prevent vibration of the compressor caused by unbalance.
Description
Technical field
The present invention relates to a kind of closed rotary compressor (HERMETIC ROTARY COMPRESSOR), or rather, the present invention relates to a kind of closed rotary compressor: can form several at cylinder internal and be used for refrigerant is sucked, compresses the compression volume of discharging processing then with following function, thereby can improve compression efficiency, can also reduce vibration by balance method (Balancing) simultaneously.
Background technique
With reference to the accompanying drawings existing closed rotary compressor is illustrated.Fig. 1 is the longitudinal sectional drawing of existing closed rotary compressor, and Fig. 2 is the side view that has shown the operating state of existing closed rotary compressor.
As shown in the figure, in existing closed rotary compressor 1, be provided with structural components of electric 20 in the upper end of the inside of seal container 10, above-mentioned structural components of electric 20 bottoms are provided with compression structure parts 60, and with its at a distance of certain intervals.
Above-mentioned structural components of electric 20 is by constituting with lower member, that is: stator 30, can produce magnetic force under the situation of connecting power supply; Rotor 40 can rotate under the effect of inducing the magnetic flux of magnetic force (flux), and the wherein above-mentioned magnetic force of inducing is to form under the effect of the magnetic force of said stator 30; Running shaft 50 is pressed into and is fixed on the center of above-mentioned rotor 40, can conduct rotating force.
Above-mentioned compression structure parts 60 are made of cylinder assembly, and the said cylinder assembly is made of cylinder 70 and upper bearing 80 and lower bearing 90.Wherein above-mentioned upper bearing and lower bearing be assembled in respectively the top of cylinder 70 and below, can form confined space 200 in the inside of said cylinder by them, meanwhile, bearing can also provide fixed support to running shaft 50, and the inside that running shaft can run through cylinder 70 also can be rotated.
In addition, confined space 200 inside of said cylinder 70 are provided with lower member: formed eccentric part 51 on above-mentioned running shaft 50; Rotary-piston 100 is positioned at the outside of above-mentioned eccentric part 51, can carry out rotation and revolution under the effect of above-mentioned eccentric part 51; Blade 110, because can keeping linear with the outer surface of above-mentioned rotary-piston 100, the one end contacts, thereby blade can be divided into confined space 200 and suck zone and constricted zone, and wherein above-mentioned confined space is that the outer surface by the internal surface of cylinder 70 and rotary-piston 100 constitutes.
Said cylinder 70 has following structure: blade receiving groove 73 is the grooves that form on the internal surface of cylinder, can above-mentioned blade 110 is included, thus make blade can under the elastic support of elastic member 111, on radial direction, do straight reciprocating motion; Inlet hole 71, the through hole that forms on cylinder wall is positioned at a side of blade receiving groove 73 and communicates with sucking the zone, cold media air can be sucked by it; Tap hole 72 removes by the angle of cylinder face upper end by being positioned at blade 110 opposite sides that a part forms, and the gas that has been compressed in constricted zone can be discharged by it.
According to said structure, in existing closed rotary compressor, if on above-mentioned structural components of electric 20, connect power supply, between stator 30 and rotor 40, can form magnetic flux (flux) so, can rotation at the effect lower rotor part 40 of this magnetic flux, the running shaft 50 at the center that consequent driving force can be by being pressed into and being fixed on above-mentioned rotor 40 conducts.Because rotary-piston 100 is with eccentric part 51 interlocks that form in the lower end of above-mentioned running shaft 50, so its can be under the state that keeps in touch with blade 110, is that benchmark revolves round the sun with the axle center in the confined space 200 of cylinder 70.
Revolution along with above-mentioned rotary-piston 100, the volume of the confined space 200 that forms between the internal surface by cylinder 70 and the outer surface of above-mentioned rotary-piston 100 can change, thereby the cold media air of low pressure is drawn into the suction zone of cylinder 70 by inlet hole 71, and it is compressed into high pressure conditions.
The above-mentioned cold media air that has been compressed can be along with the action of switch valve assembly (not shown), be discharged between upper bearing 80 and the baffler 81 by tap hole 72, after by above-mentioned baffler 81 noise being reduced then, through the gap of stator 30, pass through the discharge tube 12 at the top of perforation seal container at last and discharge with rotor 40.
But, the existing problem of existing closed rotary compressor is: owing to formed inlet hole 71 and tap hole 72 respectively on the position near the both sides of blade receiving groove 73, therefore inhalation power and the expulsion force meeting that produces along with suction and discharging operation makes cylinder to a lateral deviation heart, thereby cause the whole uneven of compressor, and this energy imbalance can make compressor produce vibration.
In addition, revolve in the process that turns around, also promptly in a suction, compression, the stroke of discharging, carry out with linear mode at running shaft 50.That is to say that running shaft whenever revolves to turn around just can only realize 1 above-mentioned stroke, so compression efficiency is low, this also is problem of existing in prior technology.
Summary of the invention
The present invention designs in order to address the above problem, purpose is to provide a kind of closed rotary compressor that possesses following function: can balancedly produce the balance that keeps compressor by refrigerant inhalation power and the expulsion force that makes compressor, therefore can prevent that compressor from producing vibration, simultaneously can also increase running shaft and whenever revolve the number of strokes may that turns around and realized, thereby improve compression efficiency.
To achieve these goals, the invention provides a kind of closed rotary compressor, it is characterized in that: comprise with lower member constituting, it is cylinder assembly, it comprises cylinder and upper and lower part bearing and constitutes, wherein formed several inlet holes and tap hole on the cylinder, the upper and lower part bearing then is connected the upper/lower terminal of cylinder, can form confined space by it; Running shaft, it runs through the said cylinder assembly and installs, and is fixed and can rotate by the upper and lower part bearing, has formed eccentric part being on the part in the confined space of it simultaneously; Rotary-piston, it can carry out rotation and revolution in the inside of confined space with the eccentric part interlock of above-mentioned running shaft; Several blades, for can keeping linear with above-mentioned rotary-piston, an end that makes them contacts, they insert to be fixed on the cylinder body and also can do straight reciprocating motion on radial direction, and they can be cut apart confined space, thereby the refrigerant that sucks by each inlet hole is compressed, and then discharges by each tap hole.
In the present invention, owing to can be divided into several pressing chambers to the confined space of cylinder, thereby running shaft whenever revolves to turn around and just can realize several strokes.Therefore the present invention can reach the effect that improves compression efficiency.
In addition, be that the center produces symmetrically owing to the present invention can make inhalation power that the compression along with refrigerant produces and expulsion force with the axle center of cylinder, can prevent that therefore compressor from producing vibration because of uneven.
Description of drawings
Fig. 1 is the longitudinal sectional drawing of existing closed rotary compressor;
Fig. 2 has shown the side view of the operating state of existing closed rotary compressor;
Fig. 3 is the longitudinal sectional drawing of closed rotary compressor of the present invention;
Fig. 4 has shown the side view of the operating state of closed rotary compressor of the present invention;
Fig. 5 is the side view of the cylinder of closed rotary compressor of the present invention;
Fig. 6 has shown the planimetric map of the compressive state of the 1st pressing chamber of the present invention;
Fig. 7 is the plotted curve of the operating state of Fig. 6;
Fig. 8 has shown the planimetric map of the compressive state of the 2nd pressing chamber of the present invention;
Fig. 9 is the plotted curve of the operating state of Fig. 8.
The critical piece description of reference numerals
A: the 1st pressing chamber B: the 2nd pressing chamber
10: 11: the 2 suction pipes of seal container
Suction pipe 15 in 13: the 1: exhaust port
20: structural components of electric 30: stator
40: rotor 50: running shaft
51: eccentric part 60: the compression structure parts
80: upper bearing 81: baffler (muffler)
90: lower bearing 100: rotary-piston
110,120: blade 170: cylinder
171,172: inlet hole (port) 173,174: tap hole
175,176: the blade receiving groove
Embodiment
Structure and course of action to closed rotary compressor of the present invention described in detail with reference to the accompanying drawings.
Fig. 3 to Fig. 9 is the diagrammatic sketch that has adopted the closed rotary compressor of one embodiment of the present of invention, wherein Fig. 3 is the longitudinal sectional drawing of closed rotary compressor, Fig. 4 is the side view that has shown the operating state of closed rotary compressor, Fig. 5 is the side view of cylinder, Fig. 6 is the planimetric map of compressive state that has shown the 1st pressing chamber of cylinder, Fig. 7 is the plotted curve of the operating state of Fig. 6, Fig. 8 is the planimetric map of compressive state that has shown the 2nd pressing chamber of cylinder, and Fig. 9 is the plotted curve of the operating state of Fig. 8.
As shown in the figure, in an embodiment of closed rotary compressor of the present invention, be provided with structural components of electric 20 in the upper end of the inside of seal container 10, above-mentioned structural components of electric 20 belows are provided with compression structure parts 30, and at a distance of certain intervals.
Above-mentioned structural components of electric 20 is by constituting with lower member: stator 30 can produce magnetic force under the situation of connecting power supply; Rotor 40 can be under the effect of inducing the magnetic flux of magnetic force (flux) and rotate, and the wherein above-mentioned magnetic force of inducing is to form under the effect of the magnetic force of said stator 30; Running shaft 50 is pressed into and is fixed on the center of above-mentioned rotor 40, can conduct rotating force.
Above-mentioned compression structure parts 60 are made of cylinder assembly, and the said cylinder assembly is made of cylinder 170 and upper bearing 80 and lower bearing 90.Wherein above-mentioned upper bearing and lower bearing be assembled in respectively the top of cylinder 170 and below, can form confined space 200 in the inside of said cylinder by bearing, meanwhile, they can also provide fixed support to running shaft 50, and the inside that running shaft can run through cylinder 70 also can be rotated.
In addition, confined space 200 inside of said cylinder 170 are provided with lower member: rotary-piston 100, on above-mentioned running shaft 50, formed eccentric part 51, and rotary-piston is located in the outside of above-mentioned eccentric part 51, can carry out rotation and revolution under the effect of above-mentioned eccentric part 51; Two blades 110,120, because can keeping linear with the outer surface of above-mentioned rotary-piston 100, their end contacts, thereby two blades can be divided into confined space 200 and possess the 1st pressing chamber A and the 2nd pressing chamber B that sucks zone and constricted zone, and wherein above-mentioned confined space is that the outer surface by the internal surface of cylinder 170 and rotary-piston 100 forms.
Here, above-mentioned blade 110,120 preferably is installed in respectively etc. on the position of confined space 200 of gas-distributing cylinder 170.
In addition, the confined space 200 of cylinder 170 is being divided under several situations that possess the pressing chamber that sucks zone and discharging area, above-mentioned several blades are installed on the position of the confined space 200 that can wait gas-distributing cylinder 170 preferably also as mentioned above.
Said cylinder 170 possesses following structure: blade receiving groove 175,176, it is the groove that on the internal surface of cylinder, forms, can above-mentioned each blade 110,120 is included, thus make blade can under the elastic support of elastic member, on radial direction, do straight reciprocating motion; Inlet hole 171,172 is holes of the perforation that forms on cylinder wall, be positioned at blade receiving groove 175,176 a side and with suck the zone and communicate; Tap hole 173,174 is that the angle of the cylinder face upper end by will being positioned at the blade opposite side is removed a part and formed, and the cold media air that has been compressed in constricted zone can be discharged by tap hole.
Be provided with respectively on the above-mentioned inlet hole 171,172 and be connected last the 1st suction pipe 13 that also communicates with it of the 1st pressing chamber A and be connected the 2nd suction pipe 11 that the 2nd pressing chamber B goes up and communicates with it.
In addition, be preferably in liquid container (accumulator) (not shown) is installed on above-mentioned the 1st suction pipe and the 2nd suction pipe, this liquid container is to be used for device that the refrigerant that flows into along each intake channel is carried out gas-liquid separation.
Above-mentioned upper bearing 80 possesses following structure: formed the exhaust port (not shown) above it, these exhaust ports communicate with each tap hole 174,175 that forms on the 1st pressing chamber A of said cylinder 170 and the 2nd pressing chamber B respectively; Be provided with above above-mentioned each exhaust port and be used for exhaust port 15 is carried out the expulsion valve (not shown) of switch; Also be provided with baffler 81 in addition, this baffler can be covering above the exhaust port, and connect by screw.
According to said structure, in closed rotary compressor of the present invention, if on above-mentioned structural components of electric 20, connect power supply, between stator 30 and rotor 40, can form magnetic flux (flux) so, can rotation at the effect lower rotor part 40 of this magnetic flux, the running shaft 50 at the center that consequent driving force can be by being pressed into and being fixed on above-mentioned rotor 40 conducts.Because rotary-piston 100 is with eccentric part 51 interlocks that form in the lower end of above-mentioned running shaft 50, so its can be under the state that keeps in touch with each blade 110,120, is to revolve round the sun in the center with eccentric part 51 in the confined space 200 of cylinder 70.
Revolution along with above-mentioned rotary-piston 100, divide the 1st pressing chamber A of the cylinder 170 that comes out and the volume of the 2nd pressing chamber B can change by each blade 110,120, thereby the cold media air of low pressure is sucked and compression by each inlet hole 171,172, discharge from each tap hole 173,174 then.
At this moment, the discharge stroke of the 1st pressing chamber A of said cylinder 170 can carry out simultaneously with the suction stroke of the 2nd pressing chamber B, then along with the rotation of running shaft, the suction stroke of the 1st pressing chamber A can carry out simultaneously with the discharge stroke of the 2nd pressing chamber B again, and the interaction that just can make compressor pass through power thus keeps balance.
The cold media air of discharging in order by each tap hole 173,174 can flow in the baffler 81 by each exhaust port again, after by above-mentioned baffler 81 noise being reduced, via the gap of stator 30, pass through the discharge tube 12 at the top of perforation seal container 10 at last and discharge with rotor 40.
Claims (6)
1. a closed rotary compressor is characterized in that, comprises
Cylinder assembly comprises cylinder and upper and lower part bearing; Wherein formed several inlet holes and tap hole on the cylinder, the upper and lower part bearing then is connected the upper/lower terminal of cylinder, can form confined space by the upper and lower part bearing;
Running shaft runs through the said cylinder assembly and installs, and is fixed and can rotate by the upper and lower part bearing, has formed eccentric part on the part in running shaft is in confined space simultaneously;
Rotary-piston with the eccentric part interlock of above-mentioned running shaft, can carry out rotation and revolution in the inside of confined space;
Several blades, for can keeping linear with above-mentioned rotary-piston, an end that makes above-mentioned blade contacts, blade inserts to be fixed on the cylinder body also can do straight reciprocating motion on radial direction, and blade can be cut apart confined space, thereby the refrigerant that sucks by each inlet hole is compressed, and then discharges by each tap hole.
2. closed rotary compressor according to claim 1 is characterized in that: in said cylinder, formed inlet hole in a side of each blade, then formed tap hole respectively at opposite side.
3. closed rotary compressor according to claim 2 is characterized in that: also formed the suction pipe that is connected on the above-mentioned inlet hole and communicates with it on the said cylinder.
4. closed rotary compressor according to claim 1 is characterized in that: above-mentioned upper bearing possesses the exhaust port that communicates with each tap hole.
5. closed rotary compressor according to claim 4 is characterized in that: above-mentioned exhaust port is provided with and can reaches setting pressure at pressure and it is carried out the expulsion valve of switch when above.
6. closed rotary compressor according to claim 2 is characterized in that: be respectively arranged with on the above-mentioned suction pipe and be used for liquid container that the refrigerant that flows into is carried out gas-liquid separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031298761A CN1548753A (en) | 2003-05-22 | 2003-05-22 | Closed rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031298761A CN1548753A (en) | 2003-05-22 | 2003-05-22 | Closed rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1548753A true CN1548753A (en) | 2004-11-24 |
Family
ID=34322527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031298761A Pending CN1548753A (en) | 2003-05-22 | 2003-05-22 | Closed rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1548753A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201829A (en) * | 2014-06-10 | 2015-12-30 | 丸信实业股份有限公司 | Multi-sliding-vane compressor and sectional compression method |
| CN105221420A (en) * | 2015-10-22 | 2016-01-06 | 珠海凌达压缩机有限公司 | Refrigerating system and single-cylinder double-sliding-piece compressor thereof |
| CN105927537A (en) * | 2016-06-22 | 2016-09-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and compressor with same |
| EP3078859A4 (en) * | 2013-12-05 | 2017-08-09 | Guangdong Meizhi Compressor Co., Ltd. | Rotary compressor and compression unit thereof, and air conditioner |
| CN110268164A (en) * | 2017-03-17 | 2019-09-20 | 松下知识产权经营株式会社 | Rotary compressor |
| CN112324663A (en) * | 2020-12-03 | 2021-02-05 | 珠海格力电器股份有限公司 | Pump body assembly, rolling rotor type compressor and air conditioner |
-
2003
- 2003-05-22 CN CNA031298761A patent/CN1548753A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3078859A4 (en) * | 2013-12-05 | 2017-08-09 | Guangdong Meizhi Compressor Co., Ltd. | Rotary compressor and compression unit thereof, and air conditioner |
| US10451067B2 (en) | 2013-12-05 | 2019-10-22 | Guangdong Meizhi Compressor Co., Ltd. | Rotary compressor and compression unit thereof, and air conditioner |
| CN105201829A (en) * | 2014-06-10 | 2015-12-30 | 丸信实业股份有限公司 | Multi-sliding-vane compressor and sectional compression method |
| CN105221420A (en) * | 2015-10-22 | 2016-01-06 | 珠海凌达压缩机有限公司 | Refrigerating system and single-cylinder double-sliding-piece compressor thereof |
| CN105927537A (en) * | 2016-06-22 | 2016-09-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and compressor with same |
| CN105927537B (en) * | 2016-06-22 | 2019-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor with it |
| CN110268164A (en) * | 2017-03-17 | 2019-09-20 | 松下知识产权经营株式会社 | Rotary compressor |
| CN110268164B (en) * | 2017-03-17 | 2021-08-06 | 松下知识产权经营株式会社 | Rotary compressor |
| CN112324663A (en) * | 2020-12-03 | 2021-02-05 | 珠海格力电器股份有限公司 | Pump body assembly, rolling rotor type compressor and air conditioner |
| CN112324663B (en) * | 2020-12-03 | 2021-10-15 | 珠海格力电器股份有限公司 | Pump body assembly, rolling rotor type compressor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |