CN204877931U - Scroll compressor and air conditioning system - Google Patents
Scroll compressor and air conditioning system Download PDFInfo
- Publication number
- CN204877931U CN204877931U CN201520622811.5U CN201520622811U CN204877931U CN 204877931 U CN204877931 U CN 204877931U CN 201520622811 U CN201520622811 U CN 201520622811U CN 204877931 U CN204877931 U CN 204877931U
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- CN
- China
- Prior art keywords
- scroll compressor
- transfiguration
- hole
- varactor
- oil supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a scroll compressor, including quiet vortex dish, be provided with the varactor cylinder on the base plate of quiet vortex dish, varactor cylinder intercommunication scroll compressor's the chamber of breathing in, varactor cylinder still are equipped with and are used for the intercommunication the varactor hole in scroll compressor compression chamber, be equipped with varactor mechanism in the varactor cylinder, varactor mechanism includes the piston, and lateral wall in the varactor hole still is equipped with the fuel feeding passageway that is used for communicateing the varactor hole the piston shields during the varactor hole, the fuel feeding passageway also by the piston shields. Still relate to an air conditioning system. The utility model discloses a scroll compressor and air conditioning system, the lateral wall in the varactor hole is equipped with and is used for the intercommunication the fuel feeding passageway in varactor hole, the oil circuit structure of different fuel feeding is realized to the switching that utilizes varactor mechanism, and is when non - varactor state, the same with normal compressor promptly, does not carry out the fuel feeding, during the varactor state, to compression chamber fuel feeding, promoted move, the leakproofness of quiet vortex dish.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of scroll compressor and air-conditioning system.
Background technique
Country to efficient, energy saving product requirement is more and more higher, air-conditioning is as a main energy consumption product, and efficient, energy-conservation and travelling comfort is the target that air conditioner industry is constantly pursued.Scroll compressor has trended towards larger number and high energy efficiency future development, and transfiguration scroll compressor can realize high energy efficiency during low-load, and has the feature such as high reliability and low vibration, applies more and more extensive in variable-flow air-conditioning system.
As shown in Figure 1, in general, scroll compressor comprises sealing shell, orbiter 102, fixed scroll 101, bent axle 104, cross slip-ring 105, upper bracket 103, lower support frame 106, support, anti-rotation mechanism and motor etc.The molded line of dynamic and static scroll is all spiralitys, the relative fixed scroll bias of orbiter also differs 180 degree of installations, they axially can contact (being then several point cantact on cross section) on several straight lines in theory, the end of vortex body molded line is touched with relative vortex body bottom connection, so define a series of crescent-shaped space between dynamic and static scroll, i.e. element volume.At orbiter with the center of fixed scroll for rotating center and when doing revolution translation without rotation with certain turning radius, outer ring crescent-shaped space just can constantly move to center, now, refrigerant is pushed to central space gradually, its volume constantly reduces and pressure constantly raises, until communicate with central exhaust port, high pressure refrigerant is discharged the pump housing.
The transfiguration principle of varying capacity scroll compressor: by the delay of scroll molded line closing point, is communicated with compression chamber gas with air aspiration cavity gas (or low-pressure gas), thus reduces the discharge capacity of compression chamber, realizes the adjustment of air-conditioner set sub load.
In existing transfiguration scroll compressor, because transfiguration hole 107, bypass passageways 108 and fixed scroll intakeport 109 can form a circulation canal, if when entering oil-containing in the gas of fixed scroll intakeport 9, in transfiguration process, due to the gas of participation bypass circulation and the interaction of peripheral wall surface, the gas oil content again entered in fixed scroll intakeport 109 is reduced, thus decreases the oil mass entered after transfiguration hole in molded line compression chamber.
The process of transfiguration simultaneously many employing speed-raisings running, compression chamber inherently needs more oil mass, so in transfiguration process, the oil mass of dynamic and static scroll compression pocket is relatively less, reduces the sealing of molded line, have impact on the performance of compressor.
Model utility content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of scroll compressor and air-conditioning system, the oil supply gallery for being communicated with described transfiguration hole is provided with at the sidewall in transfiguration hole, the opening and closing of displacement-variable device is utilized to realize the oil channel structures of different fuel feeding, namely when non-transfiguration state, identical with healthy compressor, do not carry out fuel feeding; During transfiguration state, to compression chamber fuel feeding, increase the sealing of dynamic and static scroll.Fuel feeding path associates with displacement-variable device, does not increase extra control mechanism, and control structure is simple, solves oil mass in existing transfiguration scroll compressor compresses process few, the problem of dynamic and static scroll sealing deficiency.For achieving the above object, the technical solution of the utility model is as follows:
A kind of scroll compressor, comprise fixed scroll, the substrate of described fixed scroll is provided with transfiguration cylinder, described transfiguration cylinder is communicated with the air aspiration cavity of described scroll compressor, and described transfiguration cylinder is also provided with the transfiguration hole for being communicated with described scroll compressor compresses chamber; Displacement-variable device is provided with in described transfiguration cylinder, described displacement-variable device comprises piston, also be provided with the oil supply gallery for being communicated with described transfiguration hole at the sidewall in described transfiguration hole, when described piston covers described transfiguration hole, described oil supply gallery is also covered by described piston.
Wherein in an embodiment, above described fixed scroll, be provided with the long-pending oily structure being communicated with described oil supply gallery.
Wherein in an embodiment, described fixed scroll is provided with the first conduction hole, described long-pending oily structure is communicated with described oil supply gallery by described first conduction hole.
Wherein in an embodiment, described fixed scroll is provided with the second conduction hole, one end of described second conduction hole is communicated with described oil supply gallery, and the other end of described second conduction hole is communicated with upper bracket oil sump.
Wherein in an embodiment, in described oil supply gallery, be provided with throttle structure.
Wherein in an embodiment, Spielpassung between described throttle structure and described oil supply gallery, utilizes the gap between described throttle structure and described oil supply gallery thus realizes reducing pressure by regulating flow.
Wherein in an embodiment, described throttle structure is worm structure.
Wherein in an embodiment, described fixed scroll is also provided with oil groove, described oil groove is placed between described transfiguration hole and described fixed scroll molded line inwall.
Wherein in an embodiment, described oil supply gallery is communicated with oil supplying device by exterior line.
Also relate to a kind of air-conditioning system, comprise the scroll compressor described in above-mentioned arbitrary technological scheme.
The beneficial effects of the utility model are:
Scroll compressor of the present utility model and air-conditioning system, being provided with the oil supply gallery for being communicated with described transfiguration hole at the sidewall in transfiguration hole, utilizing the opening and closing of displacement-variable device to realize the oil channel structures of different fuel feeding, namely when non-transfiguration state, identical with healthy compressor, do not carry out fuel feeding; During transfiguration state, to compression chamber fuel feeding, increase the sealing of dynamic and static scroll.Fuel feeding path associates with displacement-variable device, does not increase extra control mechanism, and control structure is simple, solves oil mass in existing transfiguration scroll compressor compresses process few, the problem of dynamic and static scroll sealing deficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing transfiguration scroll compressor;
Fig. 2 is the cross-sectional schematic of scroll compressor shown in Fig. 1 when non-transfiguration state;
Fig. 3 is the partial schematic sectional view of fixed scroll oil supply structure under non-transfiguration state of scroll compressor of the present utility model;
Fig. 4 is the partial schematic sectional view of fixed scroll oil supply structure under transfiguration state of scroll compressor of the present utility model;
Fig. 5 is the fixed scroll structural representation being provided with oil groove.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, scroll compressor of the present utility model and air-conditioning system are further elaborated.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
With reference to Fig. 3 and Fig. 4, the scroll compressor of the utility model one embodiment, comprise fixed scroll 101, the substrate of fixed scroll 101 is provided with transfiguration cylinder, transfiguration cylinder is communicated with the air aspiration cavity of described scroll compressor, and transfiguration cylinder is also provided with the transfiguration hole 107 for being communicated with described scroll compressor compresses chamber.Displacement-variable device is provided with in described transfiguration cylinder, displacement-variable device comprises the piston 114 matched with transfiguration cylinder, sidewall in transfiguration hole 107 is also provided with the oil supply gallery 119 for being communicated with transfiguration hole 107, and when piston 114 covers transfiguration hole 107, oil supply gallery 119 is also covered sealing by piston 114.
Being provided with the oil supply gallery for being communicated with transfiguration hole 107 at the sidewall in transfiguration hole 107, utilizing the opening and closing of displacement-variable device to realize the oil channel structures of different fuel feeding, namely when non-transfiguration state, identical with healthy compressor, do not carry out fuel feeding; During transfiguration state, to compression chamber fuel feeding.Improve the sealing of dynamic and static scroll.
The compressor of the present embodiment can be described on the basis of compressor shown in Fig. 1 and Fig. 2, adopts fixed scroll 101 shown in Fig. 3 and Fig. 4 to replace original fixed scroll 101 in Fig. 1, Fig. 2.
Referring to figs. 1 through Fig. 4, the scroll compressor of the present embodiment is in operation process, refrigerant enters compressor fixed scroll intakeport 109 by sucking pipe 110, compress in the selenodont space that fixed scroll 101 and orbiter 102 are formed, compression end of a period cold media air is discharged by the central row gas port of fixed scroll 101, enter upper space, motor 111 upper space is entered through the exhaust passage of fixed scroll 101 and upper bracket 103, gas after cooling motor 111 enters outlet pipe 112, discharges outside space.
The working principle of scroll compressor is: during transfiguration state, varactor 113 passes into low pressure air suction, piston 114 (transfiguration piston valve) is under the effect of spring 115 (elastic force upwards), piston 114 moves up, piston bump separates with transfiguration hole 107, and piston 114 also no longer covers sealing oil supply gallery 119.Compression chamber gas from transfiguration hole 107, bypass passageways 108 is back to fixed scroll intakeport 109, again sucked by air aspiration cavity, thus form a bypass circulation, reduce the discharge capacity of compressor, realize transfiguration function.During non-transfiguration state, varactor 113 passes into high pressure gas, piston 114 is under the effect of high pressure gas (active force of high pressure gas is greater than the elastic force of spring 115), piston 114 moves down, transfiguration hole 107 is covered, oil supply gallery 119 is also covered sealing by piston 114, realizes the running of healthy compressor.
As a kind of embodiment, above fixed scroll 101, be provided with the long-pending oily structure 118 being communicated with oil supply gallery 119.Long-pending oily structure 118 is for long-pending oil and oil storage.Preferably, fixed scroll 101 being provided with the first conduction hole 117, first conduction hole 117 is vertical holes, and long-pending oily structure 118 is positioned at directly over the first conduction hole 117, and long-pending oily structure 118 is communicated with oil supply gallery 119 by the first conduction hole 117.
As shown in Figure 3, when scroll compressor is in non-transfiguration state, the long-pending oil of long-pending oily structure 118 enters oil supply gallery 119 by the first conduction hole 117, owing to now belonging to non-transfiguration state, piston 114 pairs of transfiguration holes 107 and sidewall block, oil supply gallery 119 is also just covered sealing by piston 114, and the oil of oil supply gallery 119 just can not enter transfiguration hole 107, cannot realize the fuel feeding of compression chamber during non-transfiguration state.
As shown in Figure 4, when vortex is in transfiguration state, piston 114 moves up and (does not provide spring in figure under the elastic force effect of spring, spring is positioned at below the step of piston, there is provided elastic force upwards), now transfiguration hole 107 is communicated with oil supply gallery 119, the oil that long-pending oily structure 118 above quiet dish 101 is collected and stored, oil supply gallery 119 is entered by the first conduction hole 117, then transfiguration hole 107 is entered from oil supply gallery 119, finally enter compression chamber from the sidewall in transfiguration hole 107, in compression process, due to the inside rotation of scroll molded line and the acting in conjunction of gas, the oil entering transfiguration hole 107 is brought into compression chamber, the oil content realizing the gas of compressor increases, meet dynamic, the sealing requirements of fixed scroll.
As a kind of embodiment, throttle structure 116 is set in oil supply gallery 119.Throttle structure 116 can carry out throttling to high pressure oil, reduces oil pressure, thus realizes compression chamber low pressure oil supply.
Spielpassung between throttle structure 116 and oil supply gallery 119, utilizes the gap between throttle structure 116 and oil supply gallery 119 and realizes reducing pressure by regulating flow.Preferably, throttle structure 116 is worm structure, and throttle structure 116 has outside thread.Throttle structure 116 is worm structure, increases and the coordinating of oil supply gallery 119, utilizes the characteristic that the resistance of screw thread is large, also can realize the object of reducing pressure by regulating flow preferably.
The oil that long-pending oily structure 118 above fixed scroll 101 is collected and stored, flow into the first conduction hole 117, carry out after reducing pressure by regulating flow by oil supply gallery 119 through throttle structure 116 pairs of high pressure oils again, then enter transfiguration hole 107 from oil supply gallery 119, finally enter compression chamber from the sidewall in transfiguration hole 107.
Long-pending oily structure 118 in the present embodiment is arranged on above fixed scroll 101, utilizes during the relief opening oil-containing of fixed scroll 101 and avoids contacting with upper cover etc., and oil is stayed above fixed scroll 101 due to the effect of inertia, thus can realize stable fuel feeding source.
Obviously, the long-pending oil of fixed scroll 101, also by the mode of drainage upper bracket oil sump, by arranging the second conduction hole, utilizing pressure reduction fuel feeding to oil supply gallery 119, realizing stable fuel feeding.Wherein, fixed scroll 101 is provided with the second conduction hole, one end of described second conduction hole is communicated with oil supply gallery 119, and the other end of described second conduction hole is communicated with upper bracket oil sump.
Certainly, oil supply gallery 119 is also communicated with oil supplying device by exterior line.Such as oil supply gallery 119 connects oil supplying device by outside copper pipe, and the oil of oil supplying device enters transfiguration hole 107 sidewall by the direct drainage of outside copper pipe, and fuel feeding when realizing compressor transfiguration state, closes the characteristic of oil circuit during non-transfiguration state.
As a kind of embodiment, fixed scroll 101 is also provided with oil groove 120, oil groove 120 is placed between transfiguration hole 107 and fixed scroll 101 molded line inwall.As shown in Figure 5, draw that oil is more smooth and easy enters compression chamber for what make transfiguration hole 107, between transfiguration hole 107 and fixed scroll 101 molded line inwall, oil groove 120 is set, can under the suction-operated of wall from the oil entering compression chamber in transfiguration hole 107, be introduced into oil groove 120, make pressurized gas more easily carry oil and enter compression chamber, realize the object that compression chamber gas oil content increases.
The utility model also provides a kind of air-conditioning system, and comprise the scroll compressor described in above-mentioned any one technological scheme, air-conditioning system is prior art except above-mentioned scroll compressor, repeats no more herein.Air-conditioning system, owing to adopting above-mentioned scroll compressor, therefore also achieves same Advantageous Effects.
The scroll compressor of above embodiment and air-conditioning system, being provided with the oil supply gallery for being communicated with described transfiguration hole at the sidewall in transfiguration hole, utilizing the opening and closing of displacement-variable device to realize the oil channel structures of different fuel feeding, namely when non-transfiguration state, identical with healthy compressor, do not carry out fuel feeding; During transfiguration state, to compression chamber fuel feeding, increase the sealing of dynamic and static scroll.Fuel feeding path associates with displacement-variable device, does not increase extra control mechanism, and control structure is simple, solves oil mass in existing transfiguration scroll compressor compresses process few, the problem of dynamic and static scroll sealing deficiency.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a scroll compressor, it is characterized in that, comprise fixed scroll (101), the substrate of described fixed scroll (101) is provided with transfiguration cylinder, described transfiguration cylinder is communicated with the air aspiration cavity of described scroll compressor, and described transfiguration cylinder is also provided with the transfiguration hole (107) for being communicated with described scroll compressor compresses chamber; Displacement-variable device is provided with in described transfiguration cylinder, described displacement-variable device comprises piston (114), the oil supply gallery (119) for being communicated with described transfiguration hole (107) is also provided with at the sidewall of described transfiguration hole (107), when described piston (114) covers described transfiguration hole (107), described oil supply gallery (119) is also covered by described piston (114).
2. scroll compressor according to claim 1, is characterized in that, described fixed scroll (101) top is provided with the long-pending oily structure (118) being communicated with described oil supply gallery (119).
3. scroll compressor according to claim 2, it is characterized in that, described fixed scroll (101) is provided with the first conduction hole (117), described long-pending oily structure (118) is communicated with described oil supply gallery (119) by described first conduction hole (117).
4. scroll compressor according to claim 1, it is characterized in that, described fixed scroll (101) is provided with the second conduction hole, and one end of described second conduction hole is communicated with described oil supply gallery (119), and the other end of described second conduction hole is communicated with upper bracket oil sump.
5. the scroll compressor according to any one of claim 1-4, is characterized in that, is provided with throttle structure (116) in described oil supply gallery (119).
6. scroll compressor according to claim 5, it is characterized in that, Spielpassung between described throttle structure (116) and described oil supply gallery (119), utilizes the gap between described throttle structure (116) and described oil supply gallery (119) thus realizes reducing pressure by regulating flow.
7. scroll compressor according to claim 5, is characterized in that, described throttle structure (116) is worm structure.
8. the scroll compressor according to any one of claim 1-4, it is characterized in that, described fixed scroll (101) is also provided with oil groove (120), and described oil groove (120) is placed between described transfiguration hole (107) and described fixed scroll (101) molded line inwall.
9. scroll compressor according to claim 1, is characterized in that, described oil supply gallery (119) is communicated with oil supplying device by exterior line.
10. an air-conditioning system, is characterized in that, comprises the scroll compressor described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622811.5U CN204877931U (en) | 2015-08-18 | 2015-08-18 | Scroll compressor and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622811.5U CN204877931U (en) | 2015-08-18 | 2015-08-18 | Scroll compressor and air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204877931U true CN204877931U (en) | 2015-12-16 |
Family
ID=54822311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520622811.5U Withdrawn - After Issue CN204877931U (en) | 2015-08-18 | 2015-08-18 | Scroll compressor and air conditioning system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204877931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468260A (en) * | 2015-08-18 | 2017-03-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor and air conditioning system |
-
2015
- 2015-08-18 CN CN201520622811.5U patent/CN204877931U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468260A (en) * | 2015-08-18 | 2017-03-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor and air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180706 |
|
| AV01 | Patent right actively abandoned |