CN106246556A - Oil guard and there is its compressor - Google Patents
Oil guard and there is its compressor Download PDFInfo
- Publication number
- CN106246556A CN106246556A CN201610830011.1A CN201610830011A CN106246556A CN 106246556 A CN106246556 A CN 106246556A CN 201610830011 A CN201610830011 A CN 201610830011A CN 106246556 A CN106246556 A CN 106246556A
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- China
- Prior art keywords
- passage
- oil guard
- oil
- substrate
- compressor
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Classifications
-
- 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
- F04C29/026—Lubricant separation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a kind of oil guard and there is its compressor.Oil guard according to the present invention includes substrate and encloses the coaming plate being located at substrate periphery, and the cross-sectional area that coaming plate surrounds along the direction away from substrate is gradually increased, and coaming plate is provided with the first passage inside and outside connection coaming plate.This oil guard good oil gas separation effect.
Description
Technical field
The present invention relates to apparatus of air conditioning field, in particular to a kind of oil guard and the compressor with it.
Background technology
In existing rotary compression machine technology, oil spitting amount is for Performance for Air Conditioning Systems impact the most substantially.Each compressor
Producer is devoted to reduce oil spitting amount of compressor always.Oil spitting amount of compressor is big, and in air-conditioning system pipeline, the lubricating oil of attachment is just
Many, pipeline can be caused and extraneous heat exchange is bad causes heat pump performance to decline, it is also possible to cause system pipes road binders stifled.It addition, also
The oil mass minimizing for each part friction, lubrication in compressor can be caused, cause friction loss to strengthen, even result in dry friction,
After cause compressor occur damage, it is impossible to the problems such as work.
The reason that oil is big told by compressor, when the most also coming from pump housing aerofluxus, discharges a large amount of Oil Fog gas mixture, this
Sample mist is just flooded with inside whole compressor, along with compressor is discharged, enters air-conditioning system pipeline.
Reduce the oil drain quantity of compressor, thus reduce oil content in air conditioner circulating system, Performance for Air Conditioning Systems can be promoted
With air conditioning system heat transfer effect.Prior art there is two ways carry out reducing oil content, gravity and centrifugal force.As it is shown in figure 1,
The most conventional structure is chip and drum type brake oil baffle plate structure, and drum type brake gear oil 1 is fixedly installed on the rotor 2 of compressor,
Utilize centrifugal force separate oil gas.But, this class formation, to reducing compressor oil content limited use, often results in air conditioning system and includes
Oil mass causes compressor pump structure lack of lubrication more, time serious, during air-conditioning venting, fuel injection event occurs, subsidiary heat transfer effect
Difference, oil circulation increase of being done work, air-conditioning efficiency is low.
Summary of the invention
It is desirable to provide a kind of compressor that can reduce the fuel-displaced oil guard of compressor and there is it.
The invention provides a kind of oil guard, it includes substrate and encloses the coaming plate being located at substrate periphery, coaming plate along away from
The cross-sectional area that the direction of substrate surrounds is gradually increased, and coaming plate is provided with the first passage inside and outside connection coaming plate.
Further, coaming plate being provided with many groups the first passage group, many group the first passage groups are along the side away from substrate
To being spaced setting successively, each first passage group includes at least one first passage.
Further, coaming plate is multiple, and sets gradually along the direction away from substrate, and oil guard also includes connecting plate,
Connecting plate connects two adjacent coaming plates.
Further, connecting plate is parallel to substrate.
Further, connecting plate is provided through the second passage of connecting plate, the axis of the second passage and first
Between the axis of passage, there is angle.
Further, each second passage is all corresponding with first passage.
Further, substrate is provided through the 3rd passage of substrate.
According to a further aspect in the invention, it is provided that a kind of compressor, compressor includes that rotor, stator and being fixedly installed on turns
Oil guard on son, oil guard is above-mentioned oil guard.
Further, the substrate of oil guard is provided through the 3rd passage of substrate, the diameter of the 3rd passage
Interior circular diameter more than or equal to rotor.
Further, the coaming plate of oil guard is provided with the outer wall interference fit of flange, flange and rotor.
Further, compressor also includes motor lead-out wire, and the root line bag of motor lead-out wire hangs down with the edge of oil guard
Distance K in the direction of the sidewall of taproot portion line bag is more than or equal to 2mm.
Oil guard according to the present invention is along the direction away from substrate, and the cross-sectional area that coaming plate surrounds is gradually increased so that
Gas flowing is more smooth and easy, arranges the gas direction difference in the first passage can make entrance oil guard on coaming plate, because of
And converge generation direction cataclysm, carry out Oil-gas Separation by the centrifugal force of direction cataclysm and oil guard, it is ensured that Oil-gas Separation is imitated
Really.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the sectional view of compressor of the prior art；
Fig. 2 is the sectional view of the compressor according to the present invention；
Fig. 3 is the partial enlarged drawing in Fig. 2 at A；
Fig. 4 is the partial enlarged drawing at the oil guard of the compressor in Fig. 2；
Fig. 5 is the perspective view of the umbrella shape oil guard according to the present invention；
Fig. 6 is the perspective view of the stairstepping oil guard according to the present invention；
Fig. 7 is the top view of the rotor of the compressor according to the present invention.
Description of reference numerals:
1, oil baffle of the prior art；2, rotor of the prior art；10, oil guard；11, substrate；12, coaming plate；
13, the first passage；14, the 3rd passage；15, connecting plate；16, the second passage；20, rotor；22, endoporus；23, circulation
Hole；30, stator；40, root line bag.
Detailed description of the invention
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figures 1 to 7, according to embodiments of the invention, oil guard includes substrate 11 and is located at outside substrate 11 with enclosing
The coaming plate 12 in week, the cross-sectional area that coaming plate 12 surrounds along the direction away from substrate 11 is gradually increased, and coaming plate 12 is provided with connection
The first passage 13 inside and outside coaming plate 12.
Along the direction away from substrate 11, the cross-sectional area that coaming plate 12 surrounds is gradually increased formation pyramidal structure, utilizes this to bore
Shape structure, is provided with the first passage 13, due to pyramidal structure fluency, during compressor operating, a large amount of oil gas on coaming plate 12
Mixture passes through oil guard, forms multiply gas mixture at oil guard inner chamber, under oil guard runs up,
It is easily accomplished Oil-gas Separation.
Thus, utilize the first passage 13 and change the exhaust airstream direction of compressor, making to rise in compressor upper cavity
Coolant in air-flow separates with refrigeration oil, and coolant is discharged to air vent, and refrigeration oil oil droplet retains within the compressor, reduces pressure
Contracting machine oil spitting amount, improves air-conditioning heat exchange efficiency, promotes the purpose of heat pump performance.
As in figure 2 it is shown, oil guard is fixed on rotor 20 by rivet.Fixing reliably secure in order to ensure, rivet number
Amount need to be more than 2, to meet uniform force, and fixing reliable purpose.Certainly, in other embodiments, oil guard and rotor
During 20 assembling, oil guard can laminate molding with rotor 20 by hydraulic pressure, when using hydraulic pressure to laminate molding, and the base of oil guard
Plate 11 central imperforate, laminates fixing by intermediate recess with rotor 20 internal diameter, and is provided with on the coaming plate 12 of oil guard 10 and turns over
The outer wall interference fit of limit, flange and rotor 20, it is achieved reliably fix.It is, of course, also possible to use screw etc. to connect oil guard
With rotor 20.
As shown in Figure 5 and Figure 6, oil guard can be beveled structure, it is also possible to for hierarchic structure.Oil guard transversal
Face shape can be circular, square, triangle etc..The coaming plate 12 of oil guard can be straight plate, the arc of gradual change or concavo-convex
Uneven plate etc..
As it is shown in figure 5, substrate 11 is a circular slab, coaming plate 12 is a continuous slab, and it is cone, and one end of coaming plate 12 is solid
Fixed setting is on the substrate 11.Being provided through the 3rd passage 14 of substrate 11 on substrate 11, the 3rd passage 14 can make oil
Gas mixture enters the inner chamber of oil guard, namely the cavity that coaming plate 12 and substrate 11 surround by the 3rd passage 14.3rd
Passage 14 be provided around small through hole.
Being provided with many groups the first passage group on coaming plate 12, many group the first passage groups are along the direction away from substrate 11 successively
Interval is arranged, and each first passage group includes at least one first passage 13.
Preferably, the first passage group includes that multiple first passage 13, the plurality of first passage 13 are in same horizontal stroke
On cross section.
As shown in Figure 6, substrate 11 is a circular slab, and coaming plate 12 is multiple, and sets gradually along the direction away from substrate 11,
Oil guard also includes that connecting plate 15, connecting plate 15 connect adjacent two coaming plate 12, is consequently formed stepped oil guard.
As it is shown on figure 3, along the direction away from substrate 11, further away from substrate 11, the cross-sectional area that coaming plate 12 surrounds is the biggest.Often
Least one set the first passage group it is provided with on individual coaming plate 12.Connecting plate 15 is parallel to substrate 11.
In other embodiments, connecting plate 15 can also have certain angle with substrate 11, as long as coaming plate 12 can be connected
?.
In the present embodiment, connecting plate 15 is provided through the second passage 16 of connecting plate 15, the second passage 16
Axis and the axis of the first passage 13 between there is angle.To produce the air-flow of different directions, make entrance oil guard
Interior air-flow mutually crosses and separates.
Preferably, each second passage 16 is all corresponding with first passage 13.That is, the quantity of the first passage 13
Quantity more than or equal to the second passage 16.Refer to, often as it is shown on figure 3, the second passage 16 is corresponding with the first passage 13
It is provided with one on the coaming plate 12 of the top of individual second passage 16 to be on same longitudinal section with this second passage 16
First passage 13.Adopt the structure and may insure that the direction of the multiply oil gas entered in oil guard is different, thus handing over
Direction sudden change can be produced during remittance, thus carry out Oil-gas Separation.
It should be noted that the first passage the 13, second passage 16 and the 3rd passage 14, simply air-fuel mixture logistics
Dynamic passage, its shape of cross section can be realize circulating function variously-shaped.
As shown in Figure 2 and Figure 4, according to a further aspect in the invention, it is provided that a kind of compressor, compressor include rotor 20,
Stator 30 and the oil guard 10 being fixedly installed on rotor 20, oil guard 10 is above-mentioned oil guard 10.Use this gear
The compressor of oil device 10, operationally, oil guard 10 inner chamber forms multiply gas mixture, in oil guard 10 fortune at a high speed
Under Zhuaning, it is possible to be easily accomplished Oil-gas Separation.
Preferably, the substrate 11 of oil guard 10 is provided through the 3rd passage 14 of substrate 11, the 3rd passage
The diameter of 14 is more than or equal to the interior circular diameter of rotor 20.Oil content is reduced beneficial by this kind of structure.
Preferably, compressor also includes motor lead-out wire, the root line bag 40 of motor lead-out wire and the edge of oil guard 10
Distance K in the direction of the sidewall of vertical root line bag 40 is more than or equal to 2mm.That is, the root line bag 40 of motor lead-out wire with
Limit axial distance >=the 2mm of oil guard 10, to guarantee safety.
See shown in Fig. 2 to Fig. 7, use as a example by stairstepping oil guard 10 by rotary compressor, oil guard is carried out
Oil-gas Separation illustrates:
Oil guard 10 is a kind of gas and oil segregation apparatus in compressor, and it is assemblied in rotor 20 upper end, Ke Yiwei
Punching parts or steel plate.Its work purpose is that the coolant made in compressor upper cavity in ascending air separates with refrigeration oil, coolant
Discharging to air vent, refrigeration oil oil droplet retains within the compressor, makes oil content in air conditioner circulating system reduce, improves air conditioning system
Heat transfer effect, also reduce oil circulation work done.Refrigeration oil is avoided to enter freezing in the air conditioning system that air conditioning system causes
Too much, time serious, during air-conditioning venting, there is fuel injection event in oil.
In the present embodiment, the coaming plate 12 of oil guard 10 is 3, and connecting plate 15 is two and is connected to adjacent two and encloses
Between plate 12.It is provided with one group of first passage group on each coaming plate 12, each connecting plate 15 is provided with multiple second
Passage 16.The axis of the second passage 16 is vertical with the axis of the first corresponding passage 13.The center of substrate 11 offers
3rd passage 14.Owing to step-like oil guard also has the fluency of beveled structure, during compressor operating, a large amount of oil gas
Mixture passes through hole (the second passage 16 on connecting plate 15) and lateral aperture (on coaming plate 12 in oil guard front
One passage 13) converge afterwards alternately, the inner chamber at oil guard 10 forms multiply gas mixture, in oil guard 10 fortune at a high speed
Under Zhuaning, it is easily accomplished Oil-gas Separation.
Be specially compressor pump and discharge gas mixture, by the opening 23 of rotor 20 and stator 30 and rotor 20 it
Between gap enter oil guard region, a part of gas mixture is by the 3rd passage on the substrate 11 of oil guard 10
14 move upward, and a part is moved to oil guard inner chamber by the hole in oil guard front and the hole of side.As, by being in
The first passage 13 and the gas mixture of the endoporus 22 of rotor 20 on the coaming plate 12 of bottom intersect, in centrifugal action
Under, refrigeration oil separates with coolant, and refrigeration oil flows out to coaming plate 12 and first passage 13 being on coaming plate 12 of oil guard,
Coolant band oil gas moves upward along oil guard.
The coolant continued up and gas mixture, by the second passage being on the connecting plate 15 of bottom
16 coolant entered and gas mixture, the coolant entered by the first passage 13 being on the coaming plate 12 of the second layer and oil
Gas mixture mutually converges, and intersects, and flow direction changes, and under the action of the centrifugal, it is achieved Oil-gas Separation, refrigeration oil is by first
The coaming plate 12 of passage 13 and oil guard flows out, and coolant band Remaining Oil And Gas mixture moves upward.
The coolant moved upward and remaining gas mixture, by the second ventilation being on connecting plate 15 topmost
Coolant that hole 16 enters and gas mixture, the coolant entered by the first passage 13 being on coaming plate 12 topmost and
Gas mixture, intersects, and flow direction changes, and under the action of the centrifugal, it is achieved Oil-gas Separation, refrigeration oil is by coaming plate 12 and encloses
The first passage 13 on plate 12 flows out, and coolant band oil gas moves upward.Refrigeration oil reflux pressure is flowed out by the first passage 13
In contracting machine, gas mixture is through separating for several times, hence it is evident that reduce.
By said structure, compressor oil gas, through oil guard, utilizes stepped centrifugal point in batches of oil guard 10
From gas mixture, effectively reduce compressor oil content, improve the heat transfer effect of air conditioning system, promote heat pump performance.
Oil guard according to the present invention and there is its compressor have the following technical effect that
By umbrella shape or taper or the oil guard of stepped taper, its coaming plate and connecting plate are offered some ventilations
Hole, due to umbrella shape or the fluency of pyramidal structure, during compressor operating, a large amount of gas mixtures pass through the logical of oil guard
Converge mutual after pore, form multiply gas mixture at oil guard inner chamber, under oil guard runs up, be easily accomplished
Oil-gas Separation.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. an oil guard, it is characterised in that include substrate (11) and enclose the coaming plate (12) being located at described substrate (11) periphery,
The cross-sectional area that described coaming plate (12) surrounds along the direction away from described substrate (11) is gradually increased, and described coaming plate (12) is upper to be arranged
There is the first passage (13) connected inside and outside described coaming plate (12).
Oil guard the most according to claim 1, it is characterised in that be provided with many group the first ventilations on described coaming plate (12)
Hole group, the described first passage group of many groups is spaced setting, each first passage successively along the direction away from described substrate (11)
Group includes at least one described first passage (13).
Oil guard the most according to claim 1 and 2, it is characterised in that described coaming plate (12) is multiple, and along away from institute
The direction stating substrate (11) sets gradually, and described oil guard also includes connecting plate (15), and described connecting plate (15) connects adjacent
Two described coaming plates (12).
Oil guard the most according to claim 3, it is characterised in that described connecting plate (15) is parallel to described substrate
(11)。
Oil guard the most according to claim 3, it is characterised in that described connecting plate is provided through described company on (15)
Second passage (16) of fishplate bar (15), the axis of the axis of described second passage (16) and described first passage (13) it
Between there is angle.
Oil guard the most according to claim 5, it is characterised in that each described second passage (16) all with described in one
First passage (13) is corresponding.
Oil guard the most according to claim 1, it is characterised in that described substrate is provided through described substrate on (11)
(11) the 3rd passage (14).
8. a compressor, it is characterised in that described compressor includes rotor (20), stator (30) and is fixedly installed on described turning
Oil guard (10) on son (20), described oil guard (10) is the oil guard according to any one of claim 1 to 7
(10)。
Compressor the most according to claim 8, it is characterised in that be provided with on the substrate (11) of described oil guard (10)
Running through the 3rd passage (14) of described substrate (11), the diameter of described 3rd passage (14) is more than or equal to described rotor
(20) interior circular diameter.
Compressor the most according to claim 8, it is characterised in that the coaming plate (12) of described oil guard (10) is upper to be arranged
There is the outer wall interference fit of flange, described flange and described rotor (20).
11. compressors according to claim 8, it is characterised in that described compressor also includes motor lead-out wire, described electricity
The direction of root line bag (40) of power traction outlet and the sidewall along vertical described root line bag (40) of oil guard (10) away from
From K more than or equal to 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830011.1A CN106246556B (en) | 2016-09-18 | 2016-09-18 | Oil guard and compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830011.1A CN106246556B (en) | 2016-09-18 | 2016-09-18 | Oil guard and compressor with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246556A true CN106246556A (en) | 2016-12-21 |
| CN106246556B CN106246556B (en) | 2018-11-30 |
Family
ID=57599895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610830011.1A Active CN106246556B (en) | 2016-09-18 | 2016-09-18 | Oil guard and compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246556B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917081A (en) * | 2017-11-20 | 2018-04-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Leakproof oil cap, rotor assembly, compressor and air-conditioning system |
| CN108799062A (en) * | 2018-06-25 | 2018-11-13 | 格力电器（合肥）有限公司 | Oiltank structure, compressor and air conditioner |
| WO2020168726A1 (en) * | 2019-02-21 | 2020-08-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange device |
| CN113339265A (en) * | 2021-07-09 | 2021-09-03 | 珠海格力电器股份有限公司 | Oil blocking structure, compressor and air conditioner with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202040085U (en) * | 2011-04-22 | 2011-11-16 | 广东美芝制冷设备有限公司 | Rotating compressor |
| JP2014163600A (en) * | 2013-02-26 | 2014-09-08 | Panasonic Corp | Vehicle heat pump device |
| CN105604949A (en) * | 2016-01-20 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN105782053A (en) * | 2014-12-24 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN206190535U (en) * | 2016-09-18 | 2017-05-24 | 珠海凌达压缩机有限公司 | Keep off oily device and have its compressor |
-
2016
- 2016-09-18 CN CN201610830011.1A patent/CN106246556B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202040085U (en) * | 2011-04-22 | 2011-11-16 | 广东美芝制冷设备有限公司 | Rotating compressor |
| JP2014163600A (en) * | 2013-02-26 | 2014-09-08 | Panasonic Corp | Vehicle heat pump device |
| CN105782053A (en) * | 2014-12-24 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN105604949A (en) * | 2016-01-20 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN206190535U (en) * | 2016-09-18 | 2017-05-24 | 珠海凌达压缩机有限公司 | Keep off oily device and have its compressor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917081A (en) * | 2017-11-20 | 2018-04-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Leakproof oil cap, rotor assembly, compressor and air-conditioning system |
| CN108799062A (en) * | 2018-06-25 | 2018-11-13 | 格力电器（合肥）有限公司 | Oiltank structure, compressor and air conditioner |
| CN108799062B (en) * | 2018-06-25 | 2019-08-06 | 珠海格力电器股份有限公司 | Oiltank structure, compressor and air conditioner |
| WO2020168726A1 (en) * | 2019-02-21 | 2020-08-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange device |
| CN113339265A (en) * | 2021-07-09 | 2021-09-03 | 珠海格力电器股份有限公司 | Oil blocking structure, compressor and air conditioner with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106246556B (en) | 2018-11-30 |
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Address after: 519000 Qianshan Golden Chicken West Road in Zhuhai, Guangdong Applicant after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Applicant after: Zhuhai Landa Compressor Co., Ltd. Address before: 519070, Jinji Hill Road, front hill, Zhuhai, Guangdong Applicant before: Zhuhai Landa Compressor Co., Ltd. Applicant before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |
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