CN104421160A - Lubricating oil circulating system of scroll compressor - Google Patents
Lubricating oil circulating system of scroll compressor Download PDFInfo
- Publication number
- CN104421160A CN104421160A CN201310395494.3A CN201310395494A CN104421160A CN 104421160 A CN104421160 A CN 104421160A CN 201310395494 A CN201310395494 A CN 201310395494A CN 104421160 A CN104421160 A CN 104421160A
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- China
- Prior art keywords
- oil
- orbiter
- scroll compressor
- chamber
- scroll
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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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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention relates to components of a scroll compressor. The invention discloses a lubricating oil circulating system of a scroll compressor. Lubricating oil separated from a high-pressure exhaust cavity of the scroll compressor enters a cavity on the back of a kinetic scroll plate of the scroll compressor; the kinetic scroll plate of the scroll compressor is provided with oil inlets by which the lubricant enters the scroll cavity; the oil inlets of the kinetic scroll plate are closer to the center of scroll filament teeth of a static scroll plate than an exhaust hole in the static scroll plate; the back pressure to the kinetic scroll plate is greater than the inside pressure of the oil inlet. After the technical solution is adopted by the lubricating oil circulating system, the cavity pressure forms in the cavity on the back of the kinetic scroll plate; the kinetic scroll plate generates the proportional pressure to the static scroll plate so as to axially and flexibly seal the end surface of a scroll.
Description
Technical field
The present invention relates to mechanical field, be specifically related to scroll compressor parts.
Background technique
Generally, scroll compressor comprises the orbiter and fixed scroll that relatively engage for a pair, and orbiter and fixed scroll fit together with the phase place of 180 degree intersection.Vortex filament tooth on orbiter is staggered with the vortex filament tooth on fixed scroll and engages, formed several to meniscate enclosed cavity, during work, the vortex filament tooth of orbiter and the vortex filament tooth of fixed scroll and between the enclosed volume that formed there is descending mechanical periodicity, realize the suction of gas, compression and discharge.
Need in scroll compressor to inject lubricant oil, to reduce the friction between orbiter and fixed scroll.
Summary of the invention
The object of the invention is to, a kind of oil circulation system of scroll compressor is provided.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of oil circulation system of scroll compressor, it is characterized in that, from the isolated lubricant oil of exhaust high-pressure chamber of scroll compressor, enter the chamber at the back of the orbiter being positioned at scroll compressor, the orbiter of scroll compressor has oil inlet hole, then enters in swirl chamber from the oil inlet hole of orbiter;
The oil inlet hole of orbiter is nearer apart from the distance at the center of the vortex filament tooth of described fixed scroll relative to the exhaust port on the fixed scroll of scroll compressor, and the backside pressure to orbiter is greater than the pressure inside oil inlet hole place.
After the present invention adopts technique scheme, form chamber pressure in the chamber at the back of orbiter, orbiter produces ratio pressure to fixed scroll, realizes the axial elasticity sealing of vortex end face.
Described oil inlet hole has two at least, and each oil inlet hole is arranged around the center of the vortex filament tooth of described orbiter.To make the back pressurized of orbiter even.As a kind of preferred version, described oil inlet hole has two, two oil inlet holes are all positioned at 1/3 ~ 2/3 place of the vortex filament tooth of described orbiter, the line at the center of two oil inlet holes is through the center of the vortex filament tooth of described orbiter, and the distance arriving the center of the vortex filament tooth of described orbiter is equal.
The preferred diameter of described oil inlet hole is the oil inlet hole of 1 ~ 2mm.
Described exhaust high-pressure chamber comprises a hyperbaric chamber, on described fixed scroll, the back side is provided with described hyperbaric chamber, described exhaust port and described hyperbaric chamber UNICOM, the rear in described hyperbaric chamber is provided with a gas and oil separation chamber, described gas and oil separation chamber is provided with an oil outlet, described oil outlet and the chamber UNICOM at back of orbiter being positioned at scroll compressor.The present invention is provided with gas and oil separation chamber, gas and lubricating oil separation is come by gas and oil separation chamber, to improve the oil concentration in the chamber at the back flowing to orbiter.
One is provided with for installing the crankshaft cavity of bent axle in scroll compressor, can chamber, side wall directly using orbiter as crankshaft cavity, described oil outlet and described crankshaft cavity UNICOM.Can also establish a baffle plate at the rear of described orbiter, form a hollow cavity between described orbiter and baffle plate, the opposite side of described baffle plate is the crankshaft cavity for installing bent axle, described baffle plate has turnover oilhole.Described oil outlet can with described crankshaft cavity UNICOM, lubricant oil is introduced into described crankshaft cavity, then enters described hollow cavity, finally enters described oil inlet hole.Described oil outlet can also with described hollow cavity UNICOM, lubricant oil is introduced into hollow cavity, then enters described crankshaft cavity by described turnover oilhole, simultaneously enters swirl chamber by oil inlet hole.Two schemes below, while realizing axial elasticity sealing, because lubricant oil flows through crankshaft cavity, can realize the lubrication to fore bearing, crankshaft bearing etc.
Described oil outlet and be also provided with a decompression oil duct between the chamber at the back of the orbiter of scroll compressor, to ensure that the backside pressure of orbiter can not be excessive.
Described vortex filament tooth from vortex shape outer ledge, to center, thickness progressive additive.The present invention forms by becoming basicosta principle design, can improve the mechanical property of whirlpool dish, improve the airflow smooth of whirlpool dish, and improve the gas compression efficiency of whirlpool dish, substantially increase the usefulness of scroll compressor.In the vortex shape structure that vortex filament tooth presents, form a vortex filament teeth groove between two adjacent circle strip vortex filament teeth, from vortex shape outer ledge, to central part, described vortex filament space width is broadening gradually.Wait basicosta whirlpool dish compared to existing, when keeping whirlpool dish boundary dimension and rotating speed inconvenience, usefulness of the present invention can improve more than 17.2%.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of orbiter of the present invention;
Fig. 2 is the sectional view of a kind of structure of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
See figures.1.and.2, a kind of oil circulation system of scroll compressor, from the isolated lubricant oil of exhaust high-pressure chamber 4 of scroll compressor, enter the chamber 2 at the back of the orbiter being positioned at scroll compressor, the orbiter of scroll compressor has oil inlet hole 1, then enter in swirl chamber from the oil inlet hole 1 of orbiter.The exhaust high-pressure chamber 4 of scroll compressor refers to and the chamber at the back of the fixed scroll being positioned at scroll compressor fixed scroll has exhaust port 3, and the high pressure air cognition of discharge enters this chamber.Swirl chamber refers to the chamber that orbiter and fixed scroll are formed.The oil inlet hole 1 of orbiter is nearer apart from the distance at the center of the vortex filament tooth of fixed scroll relative to the exhaust port 3 on the fixed scroll of scroll compressor, and the backside pressure to orbiter is greater than the pressure inside oil inlet hole 1 place.After the present invention adopts technique scheme, form chamber pressure in the chamber at the back of orbiter, orbiter produces ratio pressure to fixed scroll, realizes the axial elasticity sealing of vortex end face.
Oil inlet hole 1 has two at least, and each oil inlet hole 1 is arranged around the center of the vortex filament tooth of orbiter.To make the back pressurized of orbiter even.
Specific embodiment 1
Exhaust high-pressure chamber 4 comprises a hyperbaric chamber, on fixed scroll, the back side is provided with hyperbaric chamber, exhaust port 3 and hyperbaric chamber UNICOM, and the rear in hyperbaric chamber is provided with a gas and oil separation chamber 5, gas and oil separation chamber 5 is provided with an oil outlet, oil outlet and chamber 2 UNICOM at back of orbiter being positioned at scroll compressor.The present invention is provided with gas and oil separation chamber 5, gas and lubricating oil separation is come by gas and oil separation chamber 5, to improve the oil concentration in the chamber at the back flowing to orbiter.One is provided with for installing the crankshaft cavity of bent axle in scroll compressor, can chamber, side wall directly using orbiter as crankshaft cavity, oil outlet and crankshaft cavity UNICOM.
Oil inlet hole 1 has two, and two oil inlet holes are all positioned at 1/3 place of the vortex filament tooth of orbiter, and the line at the center of two oil inlet holes is through the center of the vortex filament tooth of orbiter, and the distance arriving the center of the vortex filament tooth of orbiter is equal.The preferred diameter of oil inlet hole is the oil inlet hole of 1 ~ 2mm.
Specific embodiment 2
Exhaust high-pressure chamber 4 comprises a hyperbaric chamber, on fixed scroll, the back side is provided with hyperbaric chamber, exhaust port 3 and hyperbaric chamber UNICOM, and the rear in hyperbaric chamber is provided with a gas and oil separation chamber 5, gas and oil separation chamber 5 is provided with an oil outlet, oil outlet and chamber 2 UNICOM at back of orbiter being positioned at scroll compressor.The present invention is provided with gas and oil separation chamber 5, gas and lubricating oil separation is come by gas and oil separation chamber 5, to improve the oil concentration in the chamber at the back flowing to orbiter.Establish a baffle plate at the rear of orbiter, form a hollow cavity between orbiter and baffle plate, the opposite side of baffle plate is the crankshaft cavity for installing bent axle, baffle plate has turnover oilhole.Oil outlet can with crankshaft cavity UNICOM, lubricant oil is introduced into crankshaft cavity, then enters hollow cavity, finally enters oil inlet hole 1.Oil outlet can also with hollow cavity UNICOM, lubricant oil is introduced into hollow cavity, then enters crankshaft cavity by turnover oilhole, simultaneously enters swirl chamber by oil inlet hole 1.Two schemes below, while realizing axial elasticity sealing, because lubricant oil flows through crankshaft cavity, can realize the lubrication to fore bearing, crankshaft bearing etc.
Specific embodiment 3,
Exhaust high-pressure chamber 4 comprises a hyperbaric chamber, on fixed scroll, the back side is provided with hyperbaric chamber, exhaust port 3 and hyperbaric chamber UNICOM, and the rear in hyperbaric chamber is provided with a gas and oil separation chamber 5, gas and oil separation chamber 5 is provided with an oil outlet, oil outlet and chamber 2 UNICOM at back of orbiter being positioned at scroll compressor.Oil outlet and be also provided with a decompression oil duct between the chamber 2 at the back of the orbiter of scroll compressor, to ensure that the backside pressure of orbiter can not be excessive.
Oil inlet hole 1 has two, and two oil inlet holes are all positioned at 1/2 place of the vortex filament tooth of orbiter, and the line at the center of two oil inlet holes is through the center of the vortex filament tooth of orbiter, and the distance arriving the center of the vortex filament tooth of orbiter is equal.The preferred diameter of oil inlet hole is the oil inlet hole of 1 ~ 2mm.
Specific embodiment 4,
Exhaust high-pressure chamber 4 comprises a hyperbaric chamber, on fixed scroll, the back side is provided with hyperbaric chamber, exhaust port 3 and hyperbaric chamber UNICOM, and the rear in hyperbaric chamber is provided with a gas and oil separation chamber 5, gas and oil separation chamber 5 is provided with an oil outlet, oil outlet and chamber 2 UNICOM at back of orbiter being positioned at scroll compressor.The present invention is provided with gas and oil separation chamber 5, gas and lubricating oil separation is come by gas and oil separation chamber 5, to improve the oil concentration in the chamber at the back flowing to orbiter.One is provided with for installing the crankshaft cavity of bent axle in scroll compressor, can chamber, side wall directly using orbiter as crankshaft cavity, oil outlet and crankshaft cavity UNICOM.
Vortex filament tooth from vortex shape outer ledge, to center, thickness progressive additive.The present invention forms by becoming basicosta principle design, can improve the mechanical property of whirlpool dish, improve the airflow smooth of whirlpool dish, and improve the gas compression efficiency of whirlpool dish, substantially increase the usefulness of scroll compressor.
In the vortex shape structure that vortex filament tooth presents, form a vortex filament teeth groove between two adjacent circle strip vortex filament teeth, from vortex shape outer ledge, to central part, vortex filament space width is broadening gradually.Wait basicosta whirlpool dish compared to existing, when keeping whirlpool dish boundary dimension and rotating speed inconvenience, usefulness of the present invention can improve more than 17.2%.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. the oil circulation system of a scroll compressor, it is characterized in that, from the isolated lubricant oil of exhaust high-pressure chamber of scroll compressor, enter the chamber at the back of the orbiter being positioned at scroll compressor, the orbiter of scroll compressor has oil inlet hole, then enters in swirl chamber from the oil inlet hole of orbiter;
The oil inlet hole of orbiter is nearer apart from the distance at the center of the vortex filament tooth of described fixed scroll relative to the exhaust port on the fixed scroll of scroll compressor, and the backside pressure to orbiter is greater than the pressure inside oil inlet hole place.
2. the oil circulation system of a kind of scroll compressor according to claim 1, is characterized in that: described oil inlet hole has two at least, and each oil inlet hole is arranged around the center of the vortex filament tooth of described orbiter.
3. the oil circulation system of a kind of scroll compressor according to claim 2, it is characterized in that: described oil inlet hole has two, two oil inlet holes are all positioned at 1/3 ~ 2/3 place of the vortex filament tooth of described orbiter, the line at the center of two oil inlet holes is through the center of the vortex filament tooth of described orbiter, and the distance arriving the center of the vortex filament tooth of described orbiter is equal.
4. the oil circulation system of a kind of scroll compressor according to Claims 2 or 3, is characterized in that: the oil inlet hole of described oil inlet hole to be diameter be 1 ~ 2mm.
5. the oil circulation system of a kind of scroll compressor according to claim 1, it is characterized in that: described exhaust high-pressure chamber comprises a hyperbaric chamber, on described fixed scroll, the back side is provided with described hyperbaric chamber, described exhaust port and described hyperbaric chamber UNICOM, the rear in described hyperbaric chamber is provided with a gas and oil separation chamber, described gas and oil separation chamber is provided with an oil outlet, described oil outlet and the chamber UNICOM at back of orbiter being positioned at scroll compressor.
6. the oil circulation system of a kind of scroll compressor according to claim 5, it is characterized in that: be provided with one in scroll compressor for installing the crankshaft cavity of bent axle, chamber, side wall using orbiter as crankshaft cavity, described oil outlet and described crankshaft cavity UNICOM.
7. the oil circulation system of a kind of scroll compressor according to claim 5, it is characterized in that: the rear of described orbiter is provided with a baffle plate, a hollow cavity is formed between described orbiter and baffle plate, the opposite side of described baffle plate is the crankshaft cavity for installing bent axle, described baffle plate has turnover oilhole;
Described oil outlet and described crankshaft cavity UNICOM, lubricant oil is introduced into described crankshaft cavity, then enters described hollow cavity, finally enters described oil inlet hole.
8. the oil circulation system of a kind of scroll compressor according to claim 1, it is characterized in that: the rear of described orbiter is provided with a baffle plate, a hollow cavity is formed between described orbiter and baffle plate, the opposite side of described baffle plate is the crankshaft cavity for installing bent axle, described baffle plate has turnover oilhole;
Described oil outlet and described hollow cavity UNICOM, lubricant oil is introduced into hollow cavity, then enters described crankshaft cavity by described turnover oilhole, enters swirl chamber by oil inlet hole simultaneously.
9. the oil circulation system of a kind of scroll compressor according to claim 1,2,3,5,6,7 or 8, it is characterized in that: described oil outlet and be also provided with a decompression oil duct between the chamber at the back of the orbiter of scroll compressor, to ensure that the backside pressure of orbiter can not be excessive.
10. the oil circulation system of a kind of scroll compressor according to claim 9, is characterized in that: vortex filament tooth from vortex shape outer ledge, to center, thickness progressive additive;
In the vortex shape structure that vortex filament tooth presents, form a vortex filament teeth groove between two adjacent circle strip vortex filament teeth, from vortex shape outer ledge, to central part, described vortex filament space width is broadening gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310395494.3A CN104421160B (en) | 2013-09-03 | 2013-09-03 | A kind of oil circulation system of screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310395494.3A CN104421160B (en) | 2013-09-03 | 2013-09-03 | A kind of oil circulation system of screw compressor |
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| Publication Number | Publication Date |
|---|---|
| CN104421160A true CN104421160A (en) | 2015-03-18 |
| CN104421160B CN104421160B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310395494.3A Active CN104421160B (en) | 2013-09-03 | 2013-09-03 | A kind of oil circulation system of screw compressor |
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| CN (1) | CN104421160B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630814A (en) * | 2017-09-04 | 2018-01-26 | 珠海格力电器股份有限公司 | Scroll compressor, throttling structure and air conditioner |
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| JPS55148994A (en) * | 1979-05-09 | 1980-11-19 | Hitachi Ltd | Closed scroll fluid device |
| CN1174295A (en) * | 1996-06-28 | 1998-02-25 | 三电有限公司 | Scroll-type refrigerant fluid compressor |
| JPH1130189A (en) * | 1997-07-10 | 1999-02-02 | Mitsubishi Heavy Ind Ltd | Scroll compressor |
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| CN1715670A (en) * | 2004-06-28 | 2006-01-04 | 乐金电子(天津)电器有限公司 | Oil supply structure of screw compressor |
| JP2006241994A (en) * | 2005-02-28 | 2006-09-14 | Mitsubishi Heavy Ind Ltd | Scroll compressor |
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| US20090191081A1 (en) * | 2006-06-15 | 2009-07-30 | Geonho Lee | Scroll compressor improved in function of oil circulation and back pressure control |
| JP2009197692A (en) * | 2008-02-21 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | Scroll electric compressor |
| EP2131040A2 (en) * | 2008-06-05 | 2009-12-09 | Kabushiki Kaisha Toyoda Jidoshokki | Motor-driven scroll type compressor |
| CN102367797A (en) * | 2011-04-29 | 2012-03-07 | 湖南华强电气有限公司 | Oil-returning structure for scroll compressor |
| CN203067292U (en) * | 2013-01-05 | 2013-07-17 | 上海普圣压缩机有限公司 | Flange-variable scroll plate of scroll compressor |
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|---|---|---|---|---|
| JPS55148994A (en) * | 1979-05-09 | 1980-11-19 | Hitachi Ltd | Closed scroll fluid device |
| CN1234492A (en) * | 1991-10-30 | 1999-11-10 | 株式会社日立制作所 | Air conditioner adopting volute compressor |
| CN1174295A (en) * | 1996-06-28 | 1998-02-25 | 三电有限公司 | Scroll-type refrigerant fluid compressor |
| JPH1130189A (en) * | 1997-07-10 | 1999-02-02 | Mitsubishi Heavy Ind Ltd | Scroll compressor |
| JPH11141483A (en) * | 1997-11-06 | 1999-05-25 | Matsushita Electric Ind Co Ltd | Electric gas compressor |
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| JP2003286976A (en) * | 2002-01-25 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | Scroll compressor |
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| CN2616718Y (en) * | 2003-03-31 | 2004-05-19 | 瑞智精密股份有限公司 | Oil-feeding device for scroll type compressor |
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| US20090191081A1 (en) * | 2006-06-15 | 2009-07-30 | Geonho Lee | Scroll compressor improved in function of oil circulation and back pressure control |
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| EP2131040A2 (en) * | 2008-06-05 | 2009-12-09 | Kabushiki Kaisha Toyoda Jidoshokki | Motor-driven scroll type compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630814A (en) * | 2017-09-04 | 2018-01-26 | 珠海格力电器股份有限公司 | Scroll compressor, throttling structure and air conditioner |
| CN107630814B (en) * | 2017-09-04 | 2023-10-03 | 珠海格力电器股份有限公司 | Vortex compressor, throttling structure and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104421160B (en) | 2017-12-26 |
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Effective date of registration: 20191218 Address after: 515800 Yatuo Toy Craft Co., Ltd., Linghai Industrial Zone, Chenghai District, Shantou City, Guangdong Province, 1 Building and 3 Floors Patentee after: Guangdong Pusheng New Energy Technology Co., Ltd. Address before: 201316, Shanghai, Pudong New Area Air Town, No. 8, No. 3, building -4 Patentee before: Shanghai Pusheng Compressor Co., Ltd. |
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