CN103291615B - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
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- CN103291615B CN103291615B CN201210051063.0A CN201210051063A CN103291615B CN 103291615 B CN103291615 B CN 103291615B CN 201210051063 A CN201210051063 A CN 201210051063A CN 103291615 B CN103291615 B CN 103291615B
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- scroll compressor
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Abstract
The invention provides a kind of scroll compressor, comprising: housing; Motor, the middle part being positioned at housing makes housing form motor epicoele and motor cavity of resorption, is formed and enters cooling channel in motor cavity of resorption for making mixed gas flow through motor from motor epicoele between motor epicoele and motor cavity of resorption; Deflection plate, is positioned at motor cavity of resorption, and has the baffling-face relative obliquely with the outlet side of cooling channel.Scroll compressor provided by the invention, because deflection plate has the baffling-face relative obliquely with the outlet side of cooling channel, the flow direction of mixed gas of reflection and the Normal direction of baffling-face in a certain angle, cause the effect of air impingement housing, thus the shock number of times increased between gas and wall or other surfaces, realize the raising of oil content efficiency, and incident air flow and reflected gas stream are that angle flows, avoid both head-on crashs, flow field, space can be improved, reduce the baffling loss near deflection plate.
Description
Technical field
The present invention relates to Compressor Technology field, especially, relate to a kind of scroll compressor.
Background technique
Scroll compressor because its efficiency is high, volume is little, quality is light, operate steadily and be widely used in refrigeration and the field such as air-conditioning and heat pump.As shown in Figure 1, in general, scroll compressor is made up of airtight shell 1, orbiter 2, fixed scroll 3, bent axle, support, anti-rotation mechanism and motor 6 etc.The molded line of dynamic and static scroll is all spiralitys, relative fixed scroll 1 bias of orbiter 2 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.Orbiter 2 with the center of fixed scroll 3 for rotating center, and when doing the 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.
For all compressors, the important role of refrigeration lubrication oil, main efficacy results has three: lubrication thus reduce friction and wear, take away rub bits and impurity, cooling effect.If exhaust oil shortage ratio is too high, store oil amount in compressor can be caused to reduce, can impact three of an above lubricant oil effect, the reliability of compressor cannot be ensured.
In compressor operating process, the heat exchange of oil shortage ratio to air-conditioning system of refrigerant gas also has a significant impact, and mainly comprises the impact on vaporizer, condenser.Oil shortage ratio is large, and too much refrigeration lubrication oil can be attached to above two-part surface, affects heat transfer effect.Control oil shortage ratio in certain scope, the impact on two device heat exchange can be reduced.
Compressor air-discharging oil shortage ratio not only affects the reliability of compressor, also has a great impact the performance of air conditioner simultaneously, and reduce the emphasis that exhaust oil shortage ratio is research always, deflection plate 5 is exactly a kind of important oil gas separating component being applied to compressor inside.
Existing scroll compressor inner adopt deflection plate 5 structure to be all plate, be installed on the lower surface of lower support frame 7 more; Entered the air-fuel mixture gas of motor epicoele 8 by the exhaust passage of upper bracket 4, part is by stator trimming passage, and reach motor cavity of resorption 9 after cooling motor, air impingement, on baffling-face, utilizes reflection of light principle, vertical reflection behind airflow strikes plate face.Deflection plate 5 in the course of the work, adopts directly interception mechanism to be separated mixed gas.
Mainly there are two defects in the deflection plate of above-mentioned form:
The first, mixed gas single collisions deflection plate carries out Oil-gas Separation, and oil content efficiency is low;
The second, due to incident, reflected gas stream frontal impact near plate face, gas flow loss is large.
Therefore, be necessary the deflection plate that a kind of new structure is provided, to improve the oil-gas separation efficiency of compressor inside, reduce gas flow loss.
Summary of the invention
The object of the invention is to provide a kind of scroll compressor, to solve the technical problem that oil-gas separation efficiency is low, gas flow loss is large of existing scroll compressor inside.
For achieving the above object, the invention provides a kind of scroll compressor, comprising: housing; Motor, the middle part being positioned at housing makes housing form motor epicoele and motor cavity of resorption, is formed and enters cooling channel in motor cavity of resorption for making mixed gas flow through motor from motor epicoele between motor epicoele and motor cavity of resorption; Deflection plate, is positioned at motor cavity of resorption, and has the baffling-face relative obliquely with the outlet side of cooling channel.
Further, the slanted angle being less than 45 ° is formed between baffling-face and the radial cross section of motor.
Further, slanted angle is 35 °.
Further, deflection plate also has fixed panel, is obliquely installed between baffling-face and the surface of fixed panel.
Further, be also provided with the lower support frame for support motor in motor cavity of resorption, lower support frame is provided with the abutting end face abutted with motor, described fixed panel with abut end face and abut fixing.
Further, the periphery abutting end face is provided with the leg abutted with housing, and baffling-face is provided with breach, and leg is connected in breach.
Further, be also provided with the lower support frame for support motor in motor cavity of resorption, lower support frame is provided with the abutting end face abutted with motor, and the periphery of this abutting end face is provided with the multiple legs abutted with housing, and deflection plate is arranged between adjacent leg.
Further, the both sides of deflection plate also have the connecting sheet bent towards the back side of baffling-face, and connecting sheet abuts fixing with adjacent leg.
Further, the periphery of the stator of motor is formed with trim portion, and cooling channel is the exhaust passage formed between this trim portion and described housing.
Further, the bus of the baffling-face of deflection plate is straight line or camber line.
The present invention has following beneficial effect:
Scroll compressor provided by the invention comprises housing and is positioned at the motor at middle part of housing, the inner space of housing is divided into motor epicoele and motor cavity of resorption by motor, mixed gas flows through motor from motor epicoele and enters in motor cavity of resorption, cooling channel is formed between motor and housing, at the outlet end of cooling channel, deflection plate is set, and deflection plate has the baffling-face relative obliquely with the outlet side of cooling channel, owing to defining certain angle of inclination between the baffling-face of deflection plate and the outflow direction of mixed gas, make the Normal direction of the flow direction of the mixed gas of reflection and baffling-face in a certain angle, cause the effect of air impingement housing, thus the shock number of times increased between gas and wall or other surfaces, realize the raising of oil content efficiency, and incident air flow and reflected gas stream are that angle flows, avoid both head-on crashs, flow field, space can be improved, reduce the baffling loss near baffling-face.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the vertical profile structural representation of scroll compressor of the prior art;
Fig. 2 is the vertical profile structural representation of the scroll compressor of the preferred embodiment of the present invention;
Fig. 3 be the preferred embodiment of the present invention there is the axle geodesic structure schematic diagram that bus is the deflection plate of the baffling-face of straight line;
Fig. 4 be the preferred embodiment of the present invention there is the main TV structure schematic diagram that bus is the deflection plate of the baffling-face of straight line;
Fig. 5 is the position relationship schematic diagram between the deflection plate of the split blade type of the preferred embodiment of the present invention and lower support frame;
Fig. 6 is the axle geodesic structure schematic diagram of the deflection plate of the split blade type of the preferred embodiment of the present invention;
Fig. 7 is the position relationship schematic diagram between the stator of the motor of the preferred embodiment of the present invention and deflection plate;
Fig. 8 be the preferred embodiment of the present invention there is the axle geodesic structure schematic diagram that bus is the deflection plate of the baffling-face of camber line;
Fig. 9 be the preferred embodiment of the present invention there is the main TV structure schematic diagram that bus is the deflection plate of the baffling-face of camber line.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As shown in Figure 2, Figure 3 and Figure 4, the invention provides a kind of scroll compressor, this scroll compressor comprises: housing 10 and be arranged on the motor 30 at middle part of housing 10, the inner chamber of housing is divided into motor epicoele A and is formed between motor cavity of resorption B, motor epicoele A and motor cavity of resorption B and enters cooling channel in motor cavity of resorption B for making mixed gas flow through motor 30 from motor epicoele A by this motor 30; The outlet side of cooling channel is provided with deflection plate, this deflection plate be positioned at motor cavity of resorption B and have with the relative obliquely baffling-face 51 in outlet side.Baffling-face 51 tilts (low outside the height of inner side) along the radially outward of housing 10, the form of also can be designed to slope inwardly (low outside, inner side is high).
When the exhaust of cooling motor 30 arrives the baffling-face 51 of deflection plate by cooling channel, owing to arranging obliquely between baffling-face 51 and outlet side, make to form certain angle of inclination between the exit direction of the gas of discharging and the normal of baffling-face, thus make the gas of discharge after shock baffling-face 51, through superrefraction again strike against the wall of housing 10 or other on the surface, realize secondary Oil-gas Separation, improve oil-gas separation efficiency, simultaneously, improve the gas flowfield near baffling-face, reduce gas flow loss.Reach to enable deflection plate and form angle of inclination between the outlet side of cooling channel, form the slanted angle being less than 45 ° between the radial cross section of baffling-face 51 and motor 30, as a kind of embodiment, this angle can be 35 °.
In fact, be also provided with the lower support frame 20 for support motor 30 in motor cavity of resorption B, deflection plate can be arranged on lower support frame 20.
In order to realize the fixed installation of deflection plate, deflection plate also has fixed panel 53, arranges obliquely between this fixed panel 53 and baffling-face 51, and deflection plate can be connected with lower support frame 20 by this fixed panel 53.Specifically, lower support frame 20 has the abutting end face 20b of the below being connected to motor 30, and the lower surface of fixed panel 53 is connected on this abutting end face 20b, and the upper surface of fixed panel 53 abuts with motor 30.Fixed panel 53 can be bolted on and abut on end face 20b.
As can be seen from Fig. 3 and Fig. 4, because the surface of fixed panel 53 is connected with the end face of lower support frame 20, now, the surface of fixed panel 53 is parallel with the radial cross section of motor, therefore, form the slanted angle being less than 45 ° between the bus on the surface of fixed panel 53 and the bus of baffling-face 51, this angle can be 35 °.
The part of the formation baffling-face 51 of deflection plate can be one-body molded with fixed panel 53, and multiple fixed panel 53 can be integrally formed an annulus, snaps onto and abut on end face 20b, and then realize the fixing of deflection plate.Baffling-face 51 being formed with breach 51a, can match with breach 51a in the position of the leg 20a of lower support frame 20.
As shown in Figure 5 and Figure 6, in fact, the leg 20a of lower support frame 20 radially stretches out from the periphery abutting end face 20b, deflection plate also can be the deflection plate of multiple absolute construction, each deflection plate can be arranged between two adjacent leg 20a by connecting sheet 55, now on deflection plate without the need to adopting fixed panel 53, the deflection plate adopting this separate connection mode to arrange can be called split blade type deflection plate.Connecting sheet 55 can be from the both sides of deflection plate towards the connection sheet joint that the back side of baffling-face 51 is bent to form, each deflection plate can by the connecting sheet 55 of both sides be connected to realize between two adjacent leg 20a fixing.No matter deflection plate utilizes fixed panel 53 to be fixed or to adopt split typely is fixed with leg 20a, and the slanted angle between the radial cross section (being equivalent to horizontal plane when compressor is vertically arranged) of baffling-face 51 and motor all should be arranged on and be less than 45 °.
As shown in Figure 7, the periphery of the stator 33 of motor 30 is formed with trim portion 33a, and above-mentioned cooling channel can be the exhaust passage formed between this trim portion 33a and housing 10.Baffling-face 51 is relative with this exhaust passage, this exhaust passage can be called stator trimming exhaust passage.
As shown in Figure 8 and Figure 9, the bus of baffling-face 51, except above-mentioned straight line, can also be camber line, to make baffling-face 51 can be plane, also can be inner concave or outer convex surface.
Scroll compressor is in operation process, refrigerant enters the inside of scroll compressor by the intakeport of housing 10, dynamic, in the pump housing of fixed scroll composition, by orbiter 12 with the center of fixed scroll 11 for rotating center, and compress in the pump housing with the rotation motion that certain turning radius is done without rotation, in this compression process, mixing of a certain amount of lubricant oil and refrigeration agent can be caused, compression end of a period mixed gas is discharged by the relief opening of fixed scroll 11 and is entered in compressor upper space D, then by fixed scroll 11 and the passage on upper bracket 40, exhaust enters motor epicoele A, wherein part exhaust enters motor cavity of resorption B by motor stator trimming exhaust passage, play the effect that motor 30 is cooled, gasses impinge baffling-face 51 after cooling motor 30, inertial impaction is utilized to realize Oil-gas Separation, motor epicoele A is got back to afterwards by stator trimming return gas channel, finally discharge compressor by housing relief opening.
When mixed gas clashes into baffling-face, under the effect of reflection of light principle, gas reflects, the deviation of gas flow paths generation after reflection, mixed gas after deviation know from experience the wall that again strikes against the housing 10 of compressor or other on the surface, in this process, mixed gas is through twice collision of the wall with baffling-face 51 and housing 10, Oil-gas Separation is carried out under inertial impaction mechanism, its oil-gas separation efficiency, higher relative to the single collisions separation effect of existing slab construction, and, due to the refraction action to gas, flow with certain angle between incidence and reflected gas, avoid the frontal collisions between air-flow, the flow field near deflection plate can be improved, decrease gas flow loss.
Deflection plate of the present invention can adopt sheet metal part to process, and directly can use mould in process of production, and utilize punching press to complete, work flow is simple and easy, and cost is lower.When installing in compressor, due to the structural design that it is special, when making it install in compressor, the requirement for space is lower, and not needing increases extra installing space, is convenient to the miniaturization realizing compressor, and bolt or welding can complete fixing, is easy to realize.
For the scroll compressor of different model, unit mass flow and the difference of flow velocity when arriving motor cavity of resorption B according to its internal gas by stator trimming exhaust passage, can adopt functional surfaces inclination angle or the different baffling-face 51 of radian with the use of, to reach best using effect, obtain higher oil content efficiency, reduce the gas flow loss near deflection plate.
Deflection plate material therefor can have multiple choices, the material that surface is more smooth can be selected, also can consider to adopt relatively coarse material, use comparatively coarse material time, due to its surface irregularity degree reason, the oil-gas separation efficiency in knockout process can be improved, but also likely impact is brought on gas flow simultaneously, during concrete employing, further measurement need be done to material.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a scroll compressor, is characterized in that, comprising:
Housing (10);
Motor (30), the middle part being positioned at described housing (10) makes described housing (10) form motor epicoele (A) and motor cavity of resorption (B), is formed and enters cooling channel in described motor cavity of resorption (B) for making mixed gas flow through described motor (30) from described motor epicoele (A) between described motor epicoele (A) and described motor cavity of resorption (B);
Deflection plate, is positioned at described motor cavity of resorption (B), and has the baffling-face (51) relative obliquely with the outlet side of described cooling channel;
The lower support frame (20) for supporting described motor (30) is also provided with in described motor cavity of resorption (B), described lower support frame (20) is provided with the abutting end face (20b) abutted with described motor (30), the periphery of described abutting end face (20b) is provided with the multiple legs (20a) abutted with described housing (10), and described deflection plate is arranged between adjacent described leg (20a).
2. scroll compressor according to claim 1, is characterized in that, forms the slanted angle being less than 45 ° between the radial cross section of described baffling-face (51) and described motor (30).
3. scroll compressor according to claim 2, is characterized in that, described slanted angle is 35 °.
4. scroll compressor according to claim 3, is characterized in that, described deflection plate also has fixed panel (53), is obliquely installed between the surface of described baffling-face (51) and described fixed panel (53).
5. scroll compressor according to claim 4, is characterized in that, described fixed panel (53) abuts fixing with the described end face (20b) that abuts.
6. scroll compressor according to claim 5, is characterized in that, described baffling-face (51) is provided with breach (51a), and described leg (20a) is connected in described breach (51a).
7. scroll compressor according to claim 6, it is characterized in that, the both sides of described deflection plate also have the connecting sheet (55) bent towards the back side of described baffling-face (51), and described connecting sheet (55) abuts fixing with adjacent described leg (20a).
8. scroll compressor according to any one of claim 1 to 7, it is characterized in that, the periphery of the stator (33) of described motor (30) is formed with trim portion (33a), and described cooling channel is the exhaust passage formed between described trim portion (33a) and described housing (10).
9. scroll compressor according to any one of claim 1 to 7, is characterized in that, the bus of the baffling-face (51) of described deflection plate is straight line or camber line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210051063.0A CN103291615B (en) | 2012-02-29 | 2012-02-29 | Scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210051063.0A CN103291615B (en) | 2012-02-29 | 2012-02-29 | Scroll compressor |
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| Publication Number | Publication Date |
|---|---|
| CN103291615A CN103291615A (en) | 2013-09-11 |
| CN103291615B true CN103291615B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210051063.0A Active CN103291615B (en) | 2012-02-29 | 2012-02-29 | Scroll compressor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838383A (en) * | 2017-11-24 | 2019-06-04 | 广东高品压缩机有限公司 | A kind of double compression pump housing combined miniature compressors |
| CN112855533B (en) * | 2021-01-21 | 2022-07-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and air conditioning equipment |
| CN112761945B (en) * | 2021-02-10 | 2022-05-27 | 珠海格力电器股份有限公司 | Supporting structure and compressor with same |
| CN114489168B (en) * | 2022-03-21 | 2023-03-28 | 上海淳禧应用技术股份有限公司 | High-precision humidity calibration device and humidity calibration method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124518A (en) * | 1994-03-09 | 1996-06-12 | 大金工业株式会社 | Scroll compressor capable of effectively cooling a motor |
| US6000917A (en) * | 1997-11-06 | 1999-12-14 | American Standard Inc. | Control of suction gas and lubricant flow in a scroll compressor |
| CN101769257A (en) * | 2008-12-30 | 2010-07-07 | 上海日立电器有限公司 | Gas-oil separation baffle for air condition compressor |
| CN202441599U (en) * | 2012-02-29 | 2012-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06264876A (en) * | 1993-03-15 | 1994-09-20 | Toshiba Corp | Scroll compressor |
| KR20010068323A (en) * | 2000-01-04 | 2001-07-23 | 구자홍 | Compressor |
| US7311501B2 (en) * | 2003-02-27 | 2007-12-25 | American Standard International Inc. | Scroll compressor with bifurcated flow pattern |
-
2012
- 2012-02-29 CN CN201210051063.0A patent/CN103291615B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124518A (en) * | 1994-03-09 | 1996-06-12 | 大金工业株式会社 | Scroll compressor capable of effectively cooling a motor |
| US6000917A (en) * | 1997-11-06 | 1999-12-14 | American Standard Inc. | Control of suction gas and lubricant flow in a scroll compressor |
| CN101769257A (en) * | 2008-12-30 | 2010-07-07 | 上海日立电器有限公司 | Gas-oil separation baffle for air condition compressor |
| CN202441599U (en) * | 2012-02-29 | 2012-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor |
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| CN103291615A (en) | 2013-09-11 |
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