CN101725525A - Scoroll compressor and refrigsrator having the same - Google Patents
Scoroll compressor and refrigsrator having the same Download PDFInfo
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- CN101725525A CN101725525A CN200910158608A CN200910158608A CN101725525A CN 101725525 A CN101725525 A CN 101725525A CN 200910158608 A CN200910158608 A CN 200910158608A CN 200910158608 A CN200910158608 A CN 200910158608A CN 101725525 A CN101725525 A CN 101725525A
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- scroll
- fixed scroll
- compressor
- moving
- back pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
A scroll compressor and a refrigerating machine including the scroll compressor are provided. An oil supply channel may be formed in a fixed scroll of the compressor so as to provide for communication between a back pressure chamber and compression chambers formed between the fixed scroll and an orbiting scroll. The oil supply channel enables oil to be smoothly introduced from the back pressure chamber into each compression chamber, so that frictional losses and refrigerant leakage in the compression chambers may be effectively prevented, and efficiency of the compressor and the refrigerating machine including the compressor may be enhanced.
Description
Technical field
The invention provides a kind of scroll compressor that oil can be incorporated into swimmingly in the pressing chamber.
Background technique
Generally speaking, scroll compressor comes compression refrigerant gas by the volume that changes the pressing chamber that is formed by a pair of scroll that is bonded with each other.Compare with reciprocal compressor or rotary compressor, scroll compressor has that efficient height, vibration and noise are low, size is little and lightweight characteristics, and scroll compressor can be widely used in for example various application occasions of air-conditioning thus.Fuel feeding on the friction area of this class compressor is improved the reliability and the efficient that will further improve this class compressor, and reliability and efficient that the end product of this class compressor is installed.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the defective that exists in the prior art, and scroll compressor that a kind of reliability and efficient improved and refrigerator with this scroll compressor are provided.
For this reason, according to a scheme of the present invention, provide a kind of scroll compressor, having comprised: housing limits the inner space; Frame is arranged in the described inner space of described housing; Fixed scroll is fixed in described frame; The moving scroll, be positioned between described frame and the described fixed scroll, wherein, described fixed scroll comprises the fixed scroll that extends towards described moving scroll, described moving scroll comprises the moving scrollwork that extends towards described fixed scroll, thereby described fixed scroll and described moving scrollwork are bonded with each other, to form a plurality of pressing chambers between described fixed scroll and described moving scrollwork; Back pressure chamber is limited by the part of the part of described moving scroll, described fixed scroll and the groove that is formed in the described frame; And at least one fluid supply passage, be formed in the described fixed scroll, in order to connect at least one pressing chamber in described back pressure chamber and the described pressing chamber.
According to another aspect of the present invention, provide a kind of refrigerator, having comprised: compressor; Condenser is linked in the waste side of described compressor; Expander is linked in described condenser; And vaporizer, be linked in the suction side of described expander and described compressor; Wherein, described compressor comprises: housing limits the inner space; Frame is arranged in the described inner space; Fixed scroll is fixed in described frame; The moving scroll is arranged between described frame and the described fixed scroll, and engages with described fixed scroll, to form a plurality of pressing chambers between described fixed scroll and described moving scroll; Back pressure chamber is limited by the part of the part of described moving scroll, described fixed scroll and the groove that is formed in the described frame, and described back pressure chamber is in order to support the position to axial of described fixed scroll and described moving scroll; And the fluid supply passage, extend through described fixed scroll, to connect at least one pressing chamber in described back pressure chamber and the described pressing chamber.
Can prevent frictional loss or leakage in the pressing chamber according to scroll compressor of the present invention and refrigerator with this scroll compressor, and can improve the performance of compressor and then the reliability and the efficient that improve scroll compressor and have the refrigerator of this scroll compressor thus.
Description of drawings
Now describe a plurality of embodiments in detail with reference to accompanying accompanying drawing, reference character identical in the accompanying drawing is indicated identical parts.In the accompanying drawings:
Fig. 1 is at this concrete also partial sectional view of the scroll compressor of broad description of implementing;
Fig. 2 is the decomposition view of the compression member of scroll compressor shown in Figure 1;
Fig. 3 is arranged on the zoomed-in view of the oil supply gallery in the scroll compressor shown in Figure 1;
Fig. 4 is arranged on the sectional view of another oil supply gallery in the scroll compressor shown in Figure 1;
Fig. 5 is arranged on the worm's eye view of second connectivity slot in the scroll compressor shown in Figure 1;
Fig. 6 is the sectional view that is illustrated in the oil supply gallery that is communicated with back pressure chamber in the moving movement process of the moving scroll in the scroll compressor shown in Figure 1;
Fig. 7 is the schematic representation that comprises the exemplary air-conditioning of scroll compressor shown in Figure 1; And
Fig. 8 is the schematic representation of exemplary refrigeration cycle.
Embodiment
Based on how refrigeration agent being supplied in the pressing chamber, scroll compressor can be divided into high pressure type scroll compressor and low-pressure type scroll compressor.In other words, the low-pressure type scroll compressor is configured to: refrigeration agent is incorporated in the pressing chamber indirectly via the inner space of housing, and the inner space of housing is divided into sucks space and emission quotas thus.On the other hand, the high pressure type scroll compressor is configured to: refrigeration agent need not flow through housing the inner space and directly supply in the pressing chamber, and be discharged into subsequently in the inner space of housing, and make nearly all inner space of housing all be used as emission quotas thus.
The seal compression chamber based on how, scroll compressor also can be divided into high pressure type scroll compressor or low-pressure type scroll compressor.In other words, in the low-pressure type scroll compressor, because most of inner space of housing is configured to suck the space, terminal chamber (tip chamber) can be arranged on the place, end of the scrollwork of a pair of formation pressing chamber, and the pressure of described terminal chamber response pressing chamber and producing, to seal described pressing chamber.On the other hand, in the high pressure type scroll compressor, because most of inner space of housing is as drain chamber, the back side of moving scroll can be supported by high-pressure refrigerant and the oil that is contained in the emission quotas, and the moving scroll can closely be attached at fixed scroll thus, to seal described pressing chamber.
For this reason, the high pressure type scroll compressor can be included in the back pressure groove that forms on the frame, and the moving scroll places on the described frame; And by covered the upside and the inner peripheral surface of back pressure groove respectively by fixed scroll and moving scroll, the high pressure type scroll compressor can limit back pressure chamber.The oil that holds in housing bottom can supply to back pressure chamber, to support the moving scroll and proper lubrication is provided.
Yet when oil did not supply in the back pressure chamber swimmingly, moving scroll and fixed scroll were spaced apart, and refrigeration agent may leak out from pressing chamber, thereby had reduced the efficient of compressor.In addition, in the low cruise process, oil does not aspirate out from housing bottom swimmingly, and the oil mass that supplies to thus in the back pressure chamber may be not enough.As a result, the oil in the back pressure chamber may not can stably supports the moving scroll, thereby has increased the amount that refrigeration agent leaks out from pressing chamber, and has further reduced the efficient of compressor.
On the other hand, in the high speed operation process, excessive oil may supply in the back pressure chamber, thus, excessively upwards promotes the moving scroll, and causes the supporting surface of fixed scroll and the contact between the moving scroll, and this has hindered oil is supplied to pressing chamber.As a result, produce the oil starvation problem in pressing chamber, this will cause the increase of frictional loss.In addition, refrigeration agent may leak out from the side wall surface between the scrollwork, has reduced the efficient of compressor thus.
High pressure type scroll compressor shown in Figure 1 can comprise: housing 10, and it forms the inner space of sealing; Mainframe 20 and subsidiary engine frame (not shown) are individually fixed in the upper and lower of the described inner space of housing 10; Drive motor 30 is arranged between described mainframe 20 and the described subsidiary engine frame; Fixed scroll 40 is fixed in the upper surface of mainframe 20 and directly is linked in sucking pipe SP; And moving scroll 50, be arranged on the upper surface of mainframe 20.Can form pressing chamber P by moving scroll 50 and being bonded with each other of fixed scroll 40, and between moving scroll 50 and mainframe 20, the Oudan ring (not shown) can be installed, so that moving scroll 50 can be carried out the moving motion, and can prevent 50 rotations of moving scroll simultaneously.Can be provided with Sealing 60 between moving scroll 50 and the mainframe 20, to stop flowing of oil.
The inner space of the sealing of housing 10 can be divided into upper space S1 and lower space S2 by mainframe 20 and fixed scroll 40.Upper space S1 and lower space S2 all can remain on high pressure conditions, and oil can be contained in the bottom of the lower space S2 of housing 10.Sucking pipe SP can be linked in the upper space S1 of housing 10 and pass upper space S1, and outlet pipe DP can be linked in the lower space S2 of housing 10.
The central authorities that can pass mainframe 20 form axle receiving hole 21; And can form oil storage tank 22 in the upper end portion of axle receiving hole 21, with the ccontaining oil that upwards aspirates out through live axle 32.Edge at the upper surface of mainframe 20 can form back pressure groove 23.Back pressure groove 23 can limit back pressure chamber S3, and refrigeration agent and oil can mix under medium pressure in back pressure chamber S3.In back pressure groove 23, can form the annular seal groove (not shown),, be plugged with Sealing 60 in this annular seal groove to seal oil storage tank 22 and to keep high pressure.
Fixed scroll 40 can comprise fixed scroll 42, is formed on to described fixed scroll 42 spiralitys the lower surface of the dish portion 41 of fixed scroll 40, to form a pair of pressing chamber P.Can form the inlet 43 that directly is communicated with in the side of dish portion 41 with sucking pipe SP.Centre at the upper surface of dish portion 41 can form outlet 44, and compressed refrigeration agent can export 44 by this and be discharged among the upper space S1 of housing 10.Between two scrollworks 42 of fixed scroll 40, can form oil supply gallery 110, two scrollworks 42 form pressing chamber P at the lower surface place (promptly in the surface that forms the thrust bearing face with moving scroll 50) of dish portion 41, and pressing chamber P can be communicated with back pressure chamber S3 by this oil supply gallery 110.
To shown in Figure 4, oil supply gallery 110 can comprise as Fig. 2: first passage hole 111, and S3 is communicated with back pressure chamber; Second channel hole 112, be communicated with the pressing chamber P and first connectivity slot 113, this first connectivity slot 113 is formed at the upper surface of fixed scroll 40 with form of grooves, and has certain depth and extension vertically, so that the connection between first passage hole 111 and the second channel hole 112 to be provided.
The diameter in first passage hole 111 and second channel hole 112 can be similar to identical, and is too big so that the diameter of first connectivity slot 113 can not become.In certain embodiments, first passage hole 111 can form parallel with second channel hole 112.Yet in alternative embodiment, to shown in Figure 4, the upper end in first passage hole 111 can be towards the second channel hole 112 tilts as Fig. 2, and this has been avoided the diameter of first connectivity slot 113 to be strengthened, and is convenient to thus make and provides more stable oil to promote.
Can be provided with second connectivity slot 114 in the opposite end in first passage hole 111.As shown in Figure 5, second connectivity slot 114 can be formed on the supporting surface between fixed scroll 40 and the moving scroll 50, and can radially extend.In certain embodiments, second connectivity slot 114 can form diameter than big round-shaped of the diameter in second channel hole 112.
As shown in Figure 2, moving scroll 50 can comprise moving scrollwork 52, is formed to moving scrollwork 52 spirality on the upper surface of dish portion 51 of moving scroll, forms a pair of pressing chamber P with the fixed scroll 42 with fixed scroll 40.The lug boss of moving scroll 50 (boss portion) 53 can be linked in live axle 32, to transmit the driving force of drive motor 30.Lug boss 53 can be formed at the middle body of dish portion 51 lower surfaces.
But form to fixed scroll 42 and moving scrollwork 52 near symmetrical and have approximately uniform length.Alternately, fixed scroll 42 and moving scrollwork 52 can asymmetricly form and have different length.For example, in certain embodiments, moving scrollwork 52 comparable fixed scrolls more than 42 extend about 180 °.
To be described in the operation of the scroll compressor of this concrete enforcement and broad description now.
When drive motor 30 applies electric power, live axle 32 rotates with rotor, rotating force is passed to moving scroll 50.Accepted moving scroll 50 moving on mainframe 20 of described rotating force, and a pair of pressing chamber P moves continuously between the moving scrollwork 52 of the fixed scroll 42 of fixed scroll 40 and moving scroll 50.The described a pair of pressing chamber P continuously moving motion and towards the central mobile of scroll 40 and 50 time, the volume of described a pair of pressing chamber P reduces, with the refrigeration agent of compressed container in described pressing chamber of ground that matches with moving scroll 50.
Simultaneously, the oil pump (not shown) that the is installed in live axle 32 lower ends pumping that makes progress is contained in oil in the housing 10.Described oil is raised the oily path 32a that passes live axle 32, and wherein, part oil supplies to the axle receiving hole 21 of mainframe 20, and part oil is dispersed in the upper end of live axle 32 so that be introduced among the back pressure chamber S3 of mainframe 20.The oil that is incorporated among the back pressure chamber S3 supports moving scroll 50, makes moving scroll 50 rise towards fixed scroll 40.Thus, fixed scroll 42 and moving scrollwork 52 closely attach in corresponding dish portion 51 and the dish portion 41, with seal compression chamber P.
In this state, move compressed refrigerant by the continuous moving of moving scroll 50.The compressed refrigeration agent of a part moves to back pressure chamber S3 via oil supply gallery 110, to keep the pressure among the back pressure chamber S3 consistently.In the embodiment shown in fig. 6, be provided with an outlet of drawing, i.e. a second channel hole 112 from oil supply gallery 110.Yet, as shown in Figure 6, second channel hole 112 alternately is communicated with described a pair of pressing chamber P by the moving scrollwork 52 between described a pair of pressing chamber P.Therefore, can oil be supplied to each pressing chamber P equably via oil supply gallery 110 and second channel hole 112.
Thus, the moving scrollwork 52 of moving scroll 50 and the fixed scroll 42 of fixed scroll 40 can keep with it each self-corresponding dish portion 41 closely to contact with 51, prevented effectively thus refrigeration agent vertically (being the short transverse of scrollwork 42 and 52) from described pressing chamber P, leak out.Especially, even owing to the low cruise of compressor makes that the oil in housing 10 bottoms is not upwards aspirated swimmingly by oil supply gallery 32a, thereby postpone the increase of pressure among the back pressure chamber S3, but because the refrigeration agent among the pressing chamber P can increase the pressure of back pressure chamber S3 apace, therefore can raise moving scroll 50 fast, this makes compression efficiency increase.
In addition, because the continuous moving motion of moving scroll 50 can be incorporated into oil the pressing chamber P from back pressure chamber S3, can reduce the frictional loss among the pressing chamber P thus.In addition, the side surface (promptly radially) of adjacent scrollwork can be sealed to improve the efficient of compressor.Especially, in the low cruise process of compressor, even owing to the not enough oil that causes of the pressure increase of shortage of oil among the back pressure chamber S3 or back pressure chamber S3 is not drawn among the pressing chamber P via the supporting surface between fixed scroll 40 and the moving scroll 50 swimmingly, oil still can directly supply to each pressing chamber P via oil supply gallery 110, thereby can prevent frictional loss or leakage among the pressing chamber P, and can improve the performance of compressor thus.
In addition, in the process of compressor high speed operation, when owing in back pressure chamber S3, having introduced excessive oil and made that fixed scroll 40 closely contacts each other with moving scroll 50, even oil is not introduced between fixed scroll 40 and the moving scroll 50, oil still can supply to pressing chamber P via oil supply gallery 110, can prevent the frictional loss that causes because of oil starvation among the pressing chamber P or leakage radially thus.
When will improving the efficient of described refrigerator this concrete enforcement and the scroll compressor of broad description for example be applied to refrigerator the time.For example, as shown in Figure 7 and Figure 8, air-conditioning 700 can have refrigeration agent compression refrigeration circulation, and this refrigeration cycle comprises compressor, condenser, expander and vaporizer.Scroll compressor C can be connected in mainboard 710, the operation of the whole air-conditioning 700 of described mainboard 710 controls; Be installed in the fixed scroll among the scroll compressor C and can form oil supply gallery, so that pressing chamber and back pressure chamber are communicated with in the described mode of embodiment as described above.
So, can prevent frictional loss and freezing medium leakage in the compressor effectively, to improve the efficient of compressor, this feasible efficiency with refrigerator of this compressor improves.In addition, can easily make the oil supply gallery of compressor, improve the productivity of refrigerator thus with described compressor.
Scroll compressor in this concrete enforcement and broad description can be widely used in various types of refrigerators, for example air-conditioning, refrigerator/refrigerator-freezer etc.
The invention provides a kind of scroll compressor and a kind of refrigerator with described scroll compressor, keep constant by making the pressure in the back pressure chamber, described scroll compressor can prevent between two scroll leakage vertically; And by making oil can evenly supply to pressing chamber swimmingly, can prevent frictional loss simultaneously and radially leakage between two scroll.
This concrete implements and the scroll compressor of broad description can comprise: housing has the inner space of sealing; Frame is fixed in described housing; Fixed scroll is fixed in described frame, and is formed with spiral wraps on a side surface of this fixed scroll; And moving scroll, be installed between described frame and the described fixed scroll and have spiral wraps, described spiral wraps is used for constructing a pair of pressing chamber by engaging with the scrollwork of described fixed scroll, described a pair of pressing chamber matches with the moving motion of described moving scroll, and ground is continuous to be moved, wherein, by described moving scroll, described fixed scroll and described frame, place, the back side in described moving scroll forms back pressure chamber, to seal described fixed scroll and described moving scroll vertically; Wherein, be formed with oil supply gallery in described fixed scroll, described pressing chamber is communicated with described back pressure chamber by described oil supply gallery.
Refrigerator in this concrete enforcement and broad description can comprise: compressor; Condenser is connected in the waste side of described compressor; Expander is connected in described condenser; And vaporizer, be connected in the suction side of described expander and described compressor; Described compressor comprises oil supply gallery, and described oil supply gallery is formed in the fixed scroll, so that pressing chamber is communicated with back pressure chamber.
" embodiment " who mentions in this manual, " embodiment ", " exemplary embodiment ", " alternative embodiment ", " specific embodiment " etc. mean that relevant described special characteristic with this embodiment, structure or characteristic are contained in this broadly described at least one embodiment.These wording that occur at the diverse location of this specification also nonessentially all are meant same embodiment.In addition, be pointed out that during with a kind of concrete feature of arbitrary embodiment's associated description, structure or characteristic, those of ordinary skills can expect is that other embodiment also can realize this feature, structure or characteristic.
Although described a plurality of embodiments with reference to a plurality of illustrated embodiments, it should be understood that those of ordinary skill in the art can visualize the multiple spirit and scope that do not break away from this specification principle, other modification and embodiment.More particularly, in the scope of this specification, accompanying drawing and appended claim, the constituent elements that the combination of theme of the present invention is arranged and/or arrange that to carry out various variants and modifications be feasible.Except at constituent elements and/or the variants and modifications on arranging, interchangeable use also is conspicuous for the ordinary skill in the art.
Claims (13)
1. scroll compressor comprises:
Housing limits the inner space;
Frame is arranged in the described inner space of described housing;
Fixed scroll is fixed in described frame;
The moving scroll, be positioned between described frame and the described fixed scroll, wherein, described fixed scroll comprises the fixed scroll that extends towards described moving scroll, described moving scroll comprises the moving scrollwork that extends towards described fixed scroll, thereby described fixed scroll and described moving scrollwork are bonded with each other, to form a plurality of pressing chambers between described fixed scroll and described moving scrollwork;
Back pressure chamber is limited by the part of the part of described moving scroll, described fixed scroll and the groove that is formed in the described frame; And
At least one fluid supply passage is formed in the described fixed scroll, in order to connect at least one pressing chamber in described back pressure chamber and the described pressing chamber.
2. scroll compressor as claimed in claim 1, wherein, described back pressure chamber is limited by the part of the lower surface of the part of the adjacent lower surface of the outer periphery described with it of the outer periphery of described moving scroll, described moving scroll, described fixed scroll and the described groove that is formed in the upper surface of described frame.
3. scroll compressor as claimed in claim 1, wherein, described at least one fluid supply passage comprises:
First connectivity slot is formed in the upper surface of described fixed scroll;
The first passage hole, from described fixed scroll with the corresponding lower tilt of described back pressure chamber extend to described first connectivity slot;
The second channel hole extends at least one pressing chamber of described pressing chamber from described first connectivity slot; And
Covering is isolated described first connectivity slot and the described inner space that is formed in the described housing.
4. scroll compressor as claimed in claim 3, wherein, described first connectivity slot comprises: be formed on the circular groove that is approximately in the upper surface of described fixed scroll; And described covering comprises: bolt is linked in described fixed scroll; And packing ring, be positioned between described bolt and the described fixed scroll.
5. scroll compressor as claimed in claim 3, wherein, described covering is press fitted in described first connectivity slot, described first connectivity slot to be provided and to be formed on sealing between the described inner space in the described housing.
6. scroll compressor as claimed in claim 3, wherein, described second channel hole in described fixed scroll from described first passage aperture to upcountry the location; And extend towards described first connectivity slot and described second channel hole obliquely from the following outer peripheral portion of described fixed scroll in wherein said first passage hole.
7. scroll compressor as claimed in claim 6, wherein, extend downwards from described first connectivity slot in described second channel hole, alternately to be communicated with described at least one pressing chamber.
8. scroll compressor as claimed in claim 3, also comprise: second connectivity slot, be formed on the lower surface of described fixed scroll, and extend in the supporting surface between described fixed scroll and the described moving scroll, wherein, described second connectivity slot is incorporated into fluid the described first passage hole from described back pressure chamber.
9. scroll compressor as claimed in claim 8, wherein said second connectivity slot radially extends along the lower surface of described fixed scroll; And the cross section of wherein said second connectivity slot is greater than the cross section in described first passage hole.
10. scroll compressor as claimed in claim 1, wherein, the internal diameter of described at least one fluid supply passage is smaller or equal to the thickness of described moving scrollwork.
11. scroll compressor as claimed in claim 1, wherein, described fluid supply passage is conveyance fluid between described back pressure chamber and described at least one pressing chamber, and described fluid comprises the mixture of oil, refrigeration agent or oil and refrigeration agent.
12. scroll compressor as claimed in claim 1, wherein, described fixed scroll and described moving scrollwork symmetry, between described fixed scroll and described moving scrollwork, form first pressing chamber and second pressing chamber simultaneously, fluid is alternately supplied to described first pressing chamber and second pressing chamber by described fluid supply passage.
13. a refrigerator comprises:
Compressor;
Condenser is linked in the waste side of described compressor;
Expander is linked in described condenser; And
Vaporizer is linked in the suction side of described expander and described compressor;
Wherein, described compressor comprises:
Housing limits the inner space;
Frame is arranged in the described inner space;
Fixed scroll is fixed in described frame;
The moving scroll is arranged between described frame and the described fixed scroll, and engages with described fixed scroll, to form a plurality of pressing chambers between described fixed scroll and described moving scroll;
Back pressure chamber is limited by the part of the part of described moving scroll, described fixed scroll and the groove that is formed in the described frame, and described back pressure chamber is in order to support the position to axial of described fixed scroll and described moving scroll; And
The fluid supply passage extends through described fixed scroll, to connect at least one pressing chamber in described back pressure chamber and the described pressing chamber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20080101332A KR101484538B1 (en) | 2008-10-15 | 2008-10-15 | Scoroll compressor and refrigsrator having the same |
| KR10-2008-0101332 | 2008-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101725525A true CN101725525A (en) | 2010-06-09 |
Family
ID=41611119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910158608A Pending CN101725525A (en) | 2008-10-15 | 2009-07-07 | Scoroll compressor and refrigsrator having the same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20100089093A1 (en) |
| EP (1) | EP2177766A3 (en) |
| KR (1) | KR101484538B1 (en) |
| CN (1) | CN101725525A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032320A (en) * | 2011-09-30 | 2013-04-10 | 思科涡旋科技(杭州)有限公司 | Scroll fluid displacement device with pressure-stabilization back pressure chamber |
| CN103032319A (en) * | 2011-09-30 | 2013-04-10 | 思科涡旋科技(杭州)有限公司 | Oil-free and micro-oil scroll fluid displacement device |
| CN103362801A (en) * | 2012-03-28 | 2013-10-23 | 比亚迪股份有限公司 | Scroll compressor |
| CN111140495A (en) * | 2018-11-06 | 2020-05-12 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor having a plurality of scroll members |
| CN112912627A (en) * | 2018-10-22 | 2021-06-04 | 翰昂汽车零部件有限公司 | Compressor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6302813B2 (en) * | 2014-09-30 | 2018-03-28 | 日立ジョンソンコントロールズ空調株式会社 | Scroll compressor and refrigeration cycle apparatus using the same |
| WO2016135865A1 (en) * | 2015-02-24 | 2016-09-01 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー （ホンコン） リミテッド | Scroll compressor |
| KR102201797B1 (en) | 2016-11-24 | 2021-01-11 | 광둥 메이디 인바이런멘털 테크놀러지스 컴퍼니 리미티드 | Jet Enthalpy Increasing Scroll Compressor and Refrigeration System |
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| JP2006070807A (en) * | 2004-09-02 | 2006-03-16 | Matsushita Electric Ind Co Ltd | Scroll compressor |
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- 2008-10-15 KR KR20080101332A patent/KR101484538B1/en active IP Right Grant
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2009
- 2009-06-08 US US12/480,245 patent/US20100089093A1/en not_active Abandoned
- 2009-06-24 EP EP09163629A patent/EP2177766A3/en not_active Withdrawn
- 2009-07-07 CN CN200910158608A patent/CN101725525A/en active Pending
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032320A (en) * | 2011-09-30 | 2013-04-10 | 思科涡旋科技(杭州)有限公司 | Scroll fluid displacement device with pressure-stabilization back pressure chamber |
| CN103032319A (en) * | 2011-09-30 | 2013-04-10 | 思科涡旋科技(杭州)有限公司 | Oil-free and micro-oil scroll fluid displacement device |
| CN103032320B (en) * | 2011-09-30 | 2015-09-23 | 思科涡旋科技(杭州)有限公司 | There is the scroll fluid displacement device of steady pressure back pressure chamber |
| CN103362801A (en) * | 2012-03-28 | 2013-10-23 | 比亚迪股份有限公司 | Scroll compressor |
| CN112912627A (en) * | 2018-10-22 | 2021-06-04 | 翰昂汽车零部件有限公司 | Compressor |
| CN111140495A (en) * | 2018-11-06 | 2020-05-12 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor having a plurality of scroll members |
| CN111140495B (en) * | 2018-11-06 | 2024-06-07 | 谷轮环境科技（苏州）有限公司 | Scroll compressor having a rotor with a rotor shaft having a rotor shaft with a |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2177766A2 (en) | 2010-04-21 |
| KR20100042168A (en) | 2010-04-23 |
| US20100089093A1 (en) | 2010-04-15 |
| EP2177766A3 (en) | 2011-07-06 |
| KR101484538B1 (en) | 2015-01-20 |
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Application publication date: 20100609 |