CN105782053A - Compressor - Google Patents
Compressor Download PDFInfo
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- CN105782053A CN105782053A CN201410823368.8A CN201410823368A CN105782053A CN 105782053 A CN105782053 A CN 105782053A CN 201410823368 A CN201410823368 A CN 201410823368A CN 105782053 A CN105782053 A CN 105782053A
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Abstract
The invention provides a compressor comprising a shell, a stator core, a rotor core and a first baffle, wherein the stator core and the rotor core are arranged in the shell; the stator core is arranged around the rotor core; circulating holes formed along the axial direction of the rotor core are formed in the rotor core; and the first baffle comprises a bottom plate part and an oil retaining side edge arranged at the upper side of the bottom plate part, and the first baffle is opposite to the upper end surface of the rotor core, so that lubricating oil carried by a refrigerant comes into collision with the oil retaining side edge to form oil drops falling back below the rotor core after the refrigerant flowing out of the circulating holes passes through the bottom plate part. By using the compressor, the refrigerant can return from the upside to the downside of a motor of the compressor, so that the stroke of the refrigerant is increased; in addition, due to the adoption of the design of the non-swirl baffle located above the rotor core, an extremely good oil retaining effect is taken while no wind resistance is generated, and the condition that the lubricating oil is discharged from the compressor is avoided, so that the oil throughput rate of the compressor is effectively reduced, the performance of a unit is improved, and the power consumption of the compressor is reduced.
Description
Technical field
The present invention relates to fluid compression field, in particular to a kind of compressor.
Background technology
In rolling rotor compressor, tell oil rate to improve compressor and heat pump performance to reduce it, realize mainly through the oil baffle plate structure above design electric machine rotor structure, body height and rotor.
The above two by change coolant from below motor to the circulation area of top and the flow direction, thus changing the flow velocity of coolant, make coolant slowly be adsorbed on body structure surface.
But, in prior art, the runner design of coolant is unreasonable, only have unique passage between motor and housing, ignore the coolant flow channel of internal rotor.When in coolant, concentration of lubricating oil is higher, mixture arrives the flow direction only one of top below motor, directly discharges from air vent, does not have and reduce the effect telling oil rate.
At present, oil baffle plate structure great majority adopt whirlwind oil baffle plate, namely manufacture swirling eddy in compressor inner upper, are got rid of by coolant to inner walls, make the lubricating oil in coolant be adsorbed on inner walls.
But, although this oil baffle plate structure significantly reduces tells oil rate, but technique own is more complicated not easily manufactures, and adds cost, and there is bigger windage in rotary course, adds compressor power consumption.
Summary of the invention
Present invention is primarily targeted at a kind of compressor of offer, the method telling oil rate to solve reduction compressor of the prior art makes the problem that the power consumption of compressor is bigger.
To achieve these goals, the invention provides a kind of compressor, including housing with the stator core being arranged in housing and rotor core, and stator core surrounding rotor iron core is arranged, rotor core is provided with along its axially arranged opening, compressor also includes: the first baffle plate, first baffle plate includes base plate and is arranged on the edge, gear oil side on the upside of base plate, the upper surface of the first baffle plate and rotor core is oppositely arranged, make the lubricating oil that the coolant flowed out from opening carries coolant after base plate collide gear oil side and fall back to the lower section of rotor core along upper formation oil droplet.
Further, the first baffle plate also includes barrel portion, and the one end in barrel portion is connected with base plate, and the other end in barrel portion is connected with edge, gear oil side；Wherein, the bearing of trend on gear oil edge, side is formed slopely inverted cone-shaped structure towards the outside in barrel portion.
Further, the side of the close rotor core of base plate is provided with the first stopper protrusion, circumferentially extending along base plate of the first stopper protrusion.
Further, the first stopper protrusion is multiple, and multiple first stopper protrusion is along the circumference of base plate and/or radial arrangement.
Further, the side of the close rotor core of base plate is provided with first annular projection, and first annular projection abuts with the upper surface of rotor core.
Further, base plate is provided with outer small opening, barrel is provided with oil leak hole in portion, and compressor also includes: second baffle, second baffle is arranged on the into the barrel chamber in barrel portion, and second baffle and base plate are oppositely arranged, the coolant from the into the barrel chamber in outer small opening inflow barrel portion is made to form oil droplet and fall back to the lower section of rotor core from oil leak hole after colliding second baffle.
Further, the side of the close base plate of second baffle is provided with the second stopper protrusion, circumferentially extending along second baffle of the second stopper protrusion.
Further, the second stopper protrusion is multiple, and multiple second stopper protrusion is along the circumference of second baffle and/or radial arrangement.
Further, the side of the close base plate of second baffle is provided with the second annular protrusion, and the end of the second annular protrusion abuts with base plate.
Further, base plate is provided with the first connecting hole, being provided with the second connecting hole on second baffle, rotor core is provided with the 3rd connecting hole, the first baffle plate, second baffle and rotor core are by the rivet interlacement through the first connecting hole, the second connecting hole and the 3rd connecting hole.
Further, compressor also includes the first balance plate and the second balance plate, first balance plate is arranged on the upside of rotor core, and the second balance plate is arranged on the downside of rotor core, and the first balance plate and the second balance plate are arranged on the relative both sides of axis of rotor core.
Further, opening extends along the axial screw of rotor core.
Compressor in the present invention includes the first baffle plate being arranged on rotor core upper end, and first baffle plate include base plate and gear oil edge, side, so, the coolant flowed out from the opening of rotor core flows out from its bottom surface after the backstop of base plate, and arrive gear oil edge, side, coolant and the lower surface collision rift keeping off oil edge, side form oil droplet, and oil droplet finally drips from the lower surface on gear oil edge, side, drops back into the downside of rotor core.
Compressor in the present invention can make coolant be back to below motor above the motor of compressor, adds the stroke of coolant；Further, the design of the non-cyclone type baffle plate in top of rotor core, simultaneously work as fabulous gear oil effect what do not produce windage, it is prevented that lubricating oil is discharged in compressor, effectively reduced compressor and tell oil rate, improve unit performance, reduce the power consumption of compressor.
Accompanying drawing explanation
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 illustrates the structural representation of the compressor of the present invention；
Fig. 2 illustrates the structural representation of the rotor core in Fig. 1；
Fig. 3 illustrates the top view of the device iron core in Fig. 2；
Fig. 4 illustrates the structural representation of the first baffle plate in Fig. 1；And
Fig. 5 illustrates the structural representation of the second baffle in Fig. 1.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, housing；20, stator core；30, rotor core；31, opening；32, the 3rd connecting hole；33, magnet steel putting hole；34, centre bore；40, the first baffle plate；41, base plate；42, gear oil edge, side；43, barrel portion；44, the first stopper protrusion；45, first annular projection；46, outer small opening；47, oil leak hole；48, the first connecting hole；50, second baffle；51, the second stopper protrusion；52, the second annular protrusion；53, the second connecting hole；60, rivet；71, the first balance plate；72, the second balance plate；81, the first dividing plate；82, second partition；91, motor coil；92, magnet steel；93, upper flange；94, deafener；95, bent axle.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The invention provides a kind of compressor, refer to Fig. 1 to Fig. 5, this compressor includes housing 10 and the stator core 20 being arranged in housing 10 and rotor core 30, and stator core 20 surrounding rotor iron core 30 is arranged, rotor core 30 is provided with along its axially arranged opening 31, compressor also includes: the first baffle plate 40, first baffle plate 40 includes base plate 41 and is arranged on the gear oil side on the upside of base plate 41 along 42, the upper surface of the first baffle plate 40 and rotor core 30 is oppositely arranged, make the lubricating oil that carries coolant after base plate 41 of coolant flowed out from opening 31 collide gear oil side along 42, to form oil droplet fall back to the lower section of rotor core 30.
Compressor in the present invention includes the first baffle plate 40 being arranged on rotor core 30 upper end, and first baffle plate 40 include base plate 41 and gear oil side along 42, so, the coolant flowed out from the opening 31 of rotor core 30 flows out from its bottom surface after the backstop of base plate 41, and arrive gear oil side along 42, coolant forms oil droplet with the gear oil side lower surface collision rift along 42, and dripping in oil droplet finally lower surface from gear oil side along 42, drops back into the downside of rotor core 30.
Compressor in the present invention can make coolant be back to below motor above the motor of compressor, adds the stroke of coolant；Further, the design of the non-cyclone type baffle plate in top of rotor core 30, simultaneously work as fabulous gear oil effect what do not produce windage, it is prevented that lubricating oil is discharged in compressor, effectively reduced compressor and tell oil rate, improve unit performance, reduce the power consumption of compressor.
Preferably, the first baffle plate 40 also includes barrel portion 43, and the one end in barrel portion 43 is connected with base plate 41, and the other end in barrel portion 43 is connected along 42 with gear oil side；Wherein, the gear oil side bearing of trend along 42 is formed slopely inverted cone-shaped structure towards the outside in barrel portion 43.So arrange relatively efficiently coolant to be formed and block effect.
Preferably, the side of the close rotor core 30 of base plate 41 is provided with the first stopper protrusion 44, circumferentially extending along base plate 41 of the first stopper protrusion 44.In order to make through an opening 31 coolant part out from the parallel outflow in bottom surface of the base plate 41 of the first baffle plate 40, design has some sections of the first stopper protrusion 44.For ensureing gear oil effect, the necessary appropriate design of the height of the first stopper protrusion 44, in order to not produce windage, the first stopper protrusion 44 is designed as arc.
Preferably, the first stopper protrusion 44 is multiple, and multiple first stopper protrusion 44 is along the circumference of base plate 41 and/or radial arrangement.
Preferably, the side of the close rotor core 30 of base plate 41 is provided with first annular protruding 45, first annular protruding 45 and abuts with the upper surface of rotor core 30.
In this application, can limiting coolant flow out directly above from bent axle 95 tail end by arranging first annular protruding 45, it is highly equal to the height sum of the first stopper protrusion 44 and the first dividing plate 81.In this application, compressor includes the first dividing plate 81 and second partition 82, and the first dividing plate 81 is arranged between the first baffle plate 40 and rotor core 30, and second partition 82 is arranged on the downside of rotor core 30.
Preferably, base plate 41 is provided with outer small opening 46, barrel portion 43 is provided with oil leak hole 47, and compressor also includes: second baffle 50, second baffle 50 is arranged on the into the barrel chamber in barrel portion 43, and second baffle 50 is oppositely arranged with base plate 41, make to flow into after the coolant of into the barrel chamber in barrel portion 43 collides second baffle 50 from outer small opening 46 to form oil droplet and fall back to the lower section of rotor core 30 from oil leak hole 47.By arranging outer small opening 46 and oil leak hole 47, it is possible to lubricating oil enters the into the barrel chamber in barrel portion 43 more easily, and flows out from into the barrel chamber.
Preferably, the side of the close base plate 41 of second baffle 50 is provided with the second stopper protrusion 51, circumferentially extending along second baffle 50 of the second stopper protrusion 51.By arranging the second stopper protrusion 51, be conducive to making lubricating oil flow down from second baffle 50.Second stopper protrusion 51 makes the coolant through outer small opening 46 from the parallel outflow in bottom surface of second baffle 50.
Preferably, the second stopper protrusion 51 is multiple, and multiple second stopper protrusion 51 is along the circumference of second baffle 50 and/or radial arrangement.
Preferably, the side of the close base plate 41 of second baffle 50 is provided with the second annular protrusion 52, and the end of the second annular protrusion 52 abuts with base plate 41.By arranging the second annular protrusion 52, it is possible to restriction coolant flows out directly above from bent axle 95 tail end.Preferably, the height of the second annular protrusion 52 and the height of the second stopper protrusion 51 are identical.
Preferably, base plate 41 is provided with the first connecting hole 48, second baffle 50 is provided with the second connecting hole 53, being provided with the 3rd connecting hole 32 on rotor core 30, the first baffle plate 40, second baffle 50 and rotor core 30 are connected by the rivet 60 through first connecting hole the 48, second connecting hole 53 and the 3rd connecting hole 32.The connection that can realize more easily between the first baffle plate 40, second baffle 50 and rotor core 30 is so set.
Preferably, compressor also includes the first balance plate 71 and the second balance plate 72, first balance plate 71 is arranged on the upside of rotor core 30, and the second balance plate 72 is arranged on the downside of rotor core 30, and the first balance plate 71 is arranged on the relative both sides of axis of rotor core 30 with the second balance plate 72.
Preferably, opening 31 extends along the axial screw of rotor core 30.In order to make coolant by arriving top below motor, devising the opening 31 with micro-spiral angle, this opening 31 profile is not limited to circle and kidney-shaped, through lamination punching press obtains after making through hole on stalloy.In order to make coolant flow to from lower to upper, rotor core 30 is pressed into the direction of bent axle 95 must be corresponding with the direction of spiral angle.
In this application, by arranging the opening 31 with spiral angle, in bent axle 95 operation process, relatively low nip will be formed below rotor core 30, coolant is from the space between housing 10 and stator core 20 toward flowing underneath, thus forming circulation, adding the stroke of coolant, making lubricating oil be gradually adhered to each piece surface of its process.
In this application, telling oil rate to effectively reduce under not increasing windage premise, the application devises a kind of rotor assembly with micro-spiral angle opening and baffle plate assembly.Coolant, below motor, is brought to the lower section of the first baffle plate 40 of rotor assembly by the effect of the opening 31 of rotor assembly.It is then divided into two-way, part will be had attached thereto after the first baffle plate 40 of coolant collision high speed rotating, and then arrive above baffle plate assembly.And below rotor due to rotor assembly effect formed relatively low pressure, the coolant above motor from the scrap region stream between motor and housing to motor below, and then circulation.Lubricating oil constantly will be attached on the motor, housing and the pump assembly that flow through by coolant in such circulation, thus reducing the purpose telling oil rate.
As shown in Figures 2 and 3, rotor core 30 is colded pressing with bent axle 95 by bent axle 95 hole of colding pressing, and rotor core 30 comprises rivet hole (the 3rd connecting hole 32) and places the magnet steel putting hole 33 of magnet steel 92, being provided with centre bore 34 in rotor core 30.
Above rotor core 30, lower section be respectively designed with the first dividing plate 81 and second partition 82, two dividing plates are used for fixing magnet steel.First dividing plate 81, first baffle plate 40 installed above.As shown in Figure 3, first baffle plate 40 outer ring design has the flange (gear oil edge, side) that certain angle tilts, considering the existence of amount of deflection, this angle needs appropriate design to make the distance of the first baffle plate 40 outer ring and motor coil 91 can not excessive (spacing excessive gear oil effect is low) or too small (having scratch danger).First baffle plate 40 design has the outer small opening 46 making another part coolant distribution to second baffle 50.For ensureing gear oil effect, described outer small opening 46 and arbitrary opening 31 be not on same vertical, and quantity is not limited to shown in figure.The lateral layout of the first baffle plate 40 has some oil leak hole 47.
The external diameter of second baffle 50 must be slightly smaller than the internal diameter in the barrel portion 43 of the first baffle plate 40, in order to installs.First balance plate 71 is installed on second baffle 50, and the second balance plate 72 is installed on second partition 82.
Coolant flows to and illustrates: the High Temperature High Pressure coolant discharged from deafener 94 arrives below motor, and the micro-spiral angle opening 31 on rotor core 30 enters iron core, reaches below the first baffle plate 40, starts shunting.A part of coolant flows out through the first baffle plate 40 bottom surface, arrives the outer ring flange (gear oil side along 42) of the first baffle plate 40, collides therewith formation oil droplet；Another part arrives below second baffle 50 through the outer small opening 46 of offset angular, and flows out from the gap between second baffle 50 outer ring and the first baffle plate 40 inner ring.Coolant and second baffle 50 collision rift of high speed rotating, form oil droplet, and collect in the first baffle plate 40, discharge through the first baffle plate 40 side oil leak hole 47, return to compressor lower inside space.
Preferably, the first dividing plate 81, second partition the 82, first baffle plate 40, second baffle 50 are weak magnetic conductive material.Preferably, compressor also includes upper flange 93, and upper flange 93 is set on bent axle 95.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Rotor opening according to the application design, can make coolant be back to below motor above motor, increases coolant stroke；And the design of non-cyclone type baffle plate above rotor, it is critical only that employing two-layer baffle plate, and design has shoulder height and flange, what do not produce windage has simultaneously worked as fabulous gear oil effect, prevent lubricating oil from discharging in compressor, effectively reduce compressor and tell oil rate, improve unit performance, reduce by two device power consumptions.
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.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (12)
1. a compressor, including housing (10) and the stator core (20) being arranged in described housing (10) and rotor core (30), and described stator core (20) is arranged around described rotor core (30), described rotor core (30) is provided with along its axially arranged opening (31), it is characterized in that, described compressor also includes:
First baffle plate (40), described first baffle plate (40) includes base plate (41) and is arranged on edge, the gear oil side (42) of described base plate (41) upside, the upper surface of described first baffle plate (40) and described rotor core (30) is oppositely arranged, and makes the lubricating oil that the coolant flowed out from described opening (31) carries coolant after described base plate (41) collide described gear oil side and falls back to the lower section of described rotor core (30) along (42) upper formation oil droplet.
2. compressor according to claim 1, it is characterized in that, described first baffle plate (40) also includes barrel portion (43), one end of described barrel portion (43) is connected with described base plate (41), and the other end of described barrel portion (43) is connected along (42) with described gear oil side；Wherein, the bearing of trend of described gear oil edge, side (42) is formed slopely inverted cone-shaped structure towards the outside of described barrel portion (43).
3. compressor according to claim 1, it is characterized in that, the side of the close described rotor core (30) of described base plate (41) is provided with the first stopper protrusion (44), circumferentially extending along described base plate (41) of described first stopper protrusion (44).
4. compressor according to claim 3, it is characterised in that described first stopper protrusion (44) is for multiple, and the plurality of first stopper protrusion (44) is along the circumference of described base plate (41) and/or radial arrangement.
5. compressor according to claim 1, it is characterized in that, the side of the close described rotor core (30) of described base plate (41) is provided with first annular projection (45), and described first annular projection (45) abuts with the upper surface of described rotor core (30).
6. compressor according to claim 2, it is characterized in that, described base plate (41) is provided with outer small opening (46), described barrel portion (43) is provided with oil leak hole (47), and described compressor also includes:
Second baffle (50), described second baffle (50) is arranged on the into the barrel chamber of described barrel portion (43), and described second baffle (50) is oppositely arranged with described base plate (41), makes to flow into the coolant of into the barrel chamber of described barrel portion (43) from described outer small opening (46) and collide described second baffle (50) and form oil droplet afterwards and fall back to the lower section of described rotor core (30) from described oil leak hole (47).
7. compressor according to claim 6, it is characterized in that, the side of the close described base plate (41) of described second baffle (50) is provided with the second stopper protrusion (51), circumferentially extending along described second baffle (50) of described second stopper protrusion (51).
8. compressor according to claim 7, it is characterised in that described second stopper protrusion (51) is for multiple, and the plurality of second stopper protrusion (51) is along the circumference of described second baffle (50) and/or radial arrangement.
9. compressor according to claim 6, it is characterized in that, the side of the close described base plate (41) of described second baffle (50) is provided with the second annular protrusion (52), and the end of described second annular protrusion (52) abuts with described base plate (41).
10. compressor according to claim 6, it is characterized in that, described base plate (41) is provided with the first connecting hole (48), described second baffle (50) is provided with the second connecting hole (53), being provided with the 3rd connecting hole (32) on described rotor core (30), described first baffle plate (40), described second baffle (50) and described rotor core (30) are connected by the rivet (60) through described first connecting hole (48), described second connecting hole (53) and described 3rd connecting hole (32).
11. compressor according to claim 1, it is characterized in that, described compressor also includes the first balance plate (71) and the second balance plate (72), described first balance plate (71) is arranged on the upside of described rotor core (30), described second balance plate (72) is arranged on the downside of described rotor core (30), and described first balance plate (71) is arranged on the relative both sides of axis of rotor core (30) with described second balance plate (72).
12. compressor according to claim 1, it is characterised in that described opening (31) extends along the axial screw of described rotor core (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823368.8A CN105782053B (en) | 2014-12-24 | 2014-12-24 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823368.8A CN105782053B (en) | 2014-12-24 | 2014-12-24 | Compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782053A true CN105782053A (en) | 2016-07-20 |
| CN105782053B CN105782053B (en) | 2018-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823368.8A Active CN105782053B (en) | 2014-12-24 | 2014-12-24 | Compressor |
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| Country | Link |
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| CN (1) | CN105782053B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014931A (en) * | 2016-07-21 | 2016-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor oil blocking assembly, rotor assembly, compressor and air conditioner system |
| CN106246556A (en) * | 2016-09-18 | 2016-12-21 | 珠海凌达压缩机有限公司 | Oil guard and there is its compressor |
| CN109026616A (en) * | 2018-09-28 | 2018-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor drum and the compressor comprising it |
| CN110805559A (en) * | 2019-10-24 | 2020-02-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner |
| WO2021056795A1 (en) * | 2019-09-24 | 2021-04-01 | 广东美芝制冷设备有限公司 | Baffle plate for compressor, compressor, and refrigeration apparatus |
| CN114857009A (en) * | 2022-06-06 | 2022-08-05 | 珠海格力电器股份有限公司 | Oil-gas separation structure and compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106014931A (en) * | 2016-07-21 | 2016-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor oil blocking assembly, rotor assembly, compressor and air conditioner system |
| CN106246556A (en) * | 2016-09-18 | 2016-12-21 | 珠海凌达压缩机有限公司 | Oil guard and there is its compressor |
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| CN109026616A (en) * | 2018-09-28 | 2018-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor drum and the compressor comprising it |
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| WO2021056795A1 (en) * | 2019-09-24 | 2021-04-01 | 广东美芝制冷设备有限公司 | Baffle plate for compressor, compressor, and refrigeration apparatus |
| CN110805559A (en) * | 2019-10-24 | 2020-02-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner |
| CN110805559B (en) * | 2019-10-24 | 2023-11-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner |
| CN114857009A (en) * | 2022-06-06 | 2022-08-05 | 珠海格力电器股份有限公司 | Oil-gas separation structure and compressor |
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| Publication number | Publication date |
|---|---|
| CN105782053B (en) | 2018-12-07 |
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