CN112502980A - Pump body subassembly, compressor and air conditioner - Google Patents
Pump body subassembly, compressor and air conditioner Download PDFInfo
- Publication number
- CN112502980A CN112502980A CN202011351223.4A CN202011351223A CN112502980A CN 112502980 A CN112502980 A CN 112502980A CN 202011351223 A CN202011351223 A CN 202011351223A CN 112502980 A CN112502980 A CN 112502980A
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- China
- Prior art keywords
- oil
- section
- pump body
- body assembly
- assembly according
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Classifications
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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
-
- 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
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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
- F04C29/028—Means for improving or restricting lubricant flow
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
- Rotary Pumps (AREA)
Abstract
The application provides a pump body subassembly, compressor and air conditioner, including supporting part and compression portion, the compression portion sets up on the supporting part, be provided with in the supporting part and overflow the passageway, heat transfer medium can pass through overflow the passageway and enter into extremely in the compression portion, overflow and be provided with oil-gas separation portion in the passageway. The application provides a pump body subassembly, compressor and air conditioner can prevent that lubricating oil from entering into in the pump body subassembly, and then avoids the volumetric efficiency of compressor to reduce, guarantees good refrigerating capacity and the efficiency of system.
Description
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to a pump body assembly, a compressor and an air conditioner.
Background
The scroll compressor has the advantages of few parts, high volumetric efficiency, high energy efficiency ratio, low vibration, low noise and the like. For a horizontal scroll compressor, a stable oil pool cannot be formed at the bottom of the horizontal scroll compressor, and an oil pump is used for supplying oil to lubricate a compressor kinematic pair like a vertical compressor. The common oil supply mode of the existing horizontal scroll compressor is oil-gas lubrication, namely under the high-speed rotation action of a crankshaft and other driving structures, a refrigerant drives the refrigerant to flow at a high speed so as to stir lubricating oil, so that the lubricating oil and the refrigerant are fully fused, and the lubricating oil and the refrigerant flow together to lubricate a kinematic pair. However, in the lubricating mode, during the flowing process of the refrigerant, the lubricating oil can enter the pump body assembly along with the refrigerant to be compressed. The lubricating oil entering the pump body assembly can cause the volumetric efficiency of the compressor to be reduced, the refrigerating capacity of the system to be reduced, and the energy efficiency to be reduced.
Disclosure of Invention
Therefore, the technical problem that this application will be solved lies in providing a pump body subassembly, compressor and air conditioner, can prevent that lubricating oil from entering into in the pump body subassembly, and then avoid the volumetric efficiency of compressor to reduce, guarantees good refrigerating capacity and the efficiency of system.
In order to solve the problem, the application provides a pump body subassembly, including supporting part and compression part, the compression part sets up on the supporting part, be provided with in the supporting part and overflow the passageway, heat transfer medium can pass through overflow the passageway and enter into extremely in the compression part, overflow and be provided with oil-gas separation portion in the passageway.
Optionally, the transfer passage includes a first section and a second section, the first section is located on an upstream side of the second section in a flow direction of the heat exchange medium, and at least a part of the oil-gas separation portion is disposed in the second section.
Optionally, the oil-gas separation part comprises an oil-gas separator and a sleeve, the oil-gas separator is sleeved in the sleeve, a first end of the sleeve is sleeved in the second section, and a second end of the sleeve extends out of the second section.
Optionally, an access port is provided in the sleeve, the access port being disposed opposite the first section.
Optionally, the diameter of the inlet port is the same as the diameter of the second section.
Optionally, the oil and gas separation section comprises an oil and gas separator disposed within the second segment.
Optionally, the first section is disposed perpendicular to the second section.
Optionally, an oil return passage is further arranged in the supporting portion, one end of the oil return passage is communicated with the overflowing passage, and the other end of the oil return passage is communicated with a space where the component to be lubricated is located, so that oil separated by the oil-gas separation portion is guided to the component to be lubricated from the overflowing passage.
Optionally, when the flow passage includes a first section and a second section, the oil inlet of the oil return passage is disposed on the second section.
Optionally, the component to be lubricated is a main bearing.
Optionally, a filter element is disposed within the first section.
In another aspect of the present application, a compressor is provided, which includes the pump body assembly as described above.
In another aspect of the present application, an air conditioner is provided, which includes the pump body assembly as described above.
Advantageous effects
The pump body assembly, the compressor and the air conditioner provided by the embodiment of the invention can prevent lubricating oil from entering the pump body assembly, so that the reduction of the volumetric efficiency of the compressor is avoided, and the good refrigerating capacity and energy efficiency of a system are ensured.
Drawings
Fig. 1 is a schematic structural view of a compressor according to embodiment 1 of the present application;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a sectional view of a support part according to embodiment 1 of the present application;
FIG. 4 is a cross-sectional view of a sleeve of embodiment 1 of the present application;
FIG. 5 is a sectional view of an oil separator according to embodiment 1 of the present application;
fig. 6 is a sectional view of a support part of embodiment 2 of the present application;
fig. 7 is a sectional view of the support portion and the oil separator of embodiment 2 of the present application.
The reference numerals are represented as:
1. a support portion; 11. a first stage; 12. a second stage; 13. an oil return passage; 2. a sleeve; 3. an oil-gas separator; 4. a filter member; 5. a main bearing; 6. a compression section.
Detailed Description
With combined reference to fig. 1 to 5, according to embodiment 1 of the present application, a pump body assembly includes a support portion 1 and a compression portion 6, the compression portion 6 is disposed on the support portion 1, an overflow channel is disposed in the support portion 1, a heat exchange medium can enter into the compression portion 6 through the overflow channel, and an oil-gas separation portion is disposed in the overflow channel. A path is provided for the heat exchange medium to enter the compression part 6 through the overflow channel, the oil-gas separation part is arranged in the overflow channel, the lubricating oil mixed in the heat exchange medium can be separated out, the lubricating oil is prevented from entering the pump body assembly, the volume efficiency of the compressor is further prevented from being reduced, and the good refrigerating capacity and energy efficiency of the system are guaranteed.
Further, in this embodiment, the compression part 6 is a movable disk and a stationary disk of the scroll compressor, and the support part 1 is a bracket connected to the stationary disk.
Furthermore, the heat exchange medium can enter the compression cavity enclosed by the movable disc and the static disc through the flow passage.
Further, the oil-gas separation part can separate the heat exchange medium from the lubricating oil.
The flow passage comprises a first section 11 and a second section 12, the first section 11 is positioned at the upstream side of the second section 12 along the flow direction of the heat exchange medium, and at least one part of the oil-gas separation part is arranged in the second section 12.
The oil-gas separation part comprises an oil-gas separator 3 and a sleeve 2, the oil-gas separator 3 is sleeved in the sleeve 2, the first end of the sleeve 2 is sleeved in the second section 12, and the second end of the sleeve 2 extends out of the second section 12.
Further, by arranging the sleeve 2, the stable installation of the oil-gas separator 3 is ensured, and a flow path is provided for a heat exchange medium.
Further, the sleeve 2 is interference-fitted in the second segment 12, and the oil separator 3 is interference-fitted in the sleeve 2.
The sleeve 2 is provided with an inlet port which is arranged opposite to the first section 11 to ensure that a mixture of the heat exchange medium and the lubricating oil can enter the sleeve 2.
The diameter of the inlet port is the same as that of the second section 12, so that the mixture of the heat exchange medium and the lubricating oil can be smoothly introduced into the sleeve 2.
The first section 11 is arranged perpendicular to the second section 12.
Further, the first section 11 is disposed horizontally, and the second section 12 is disposed vertically.
An oil return channel 13 is further arranged in the supporting part 1, one end of the oil return channel 13 is communicated with the overflowing channel, and the other end of the oil return channel 13 is communicated with a space where the component to be lubricated is located, so that oil separated by the oil-gas separation part is guided to the component to be lubricated from the overflowing channel. Through setting up oil return channel 13, can be with the lubricating oil that oil and gas separator 3 separated leading-in to treat lubricated part on, not only realized the discharge of lubricating oil, can also realize treating lubricated part and lubricate, improve lubricated effect, prevent abnormal wear.
Further, an oil return channel 13 is positioned below the sleeve 2 and the second section 12, and the lubricating oil separated by the oil-gas separator 3 flows to the bottom of the second section 12, then flows into the oil return channel 13, and flows onto the part to be lubricated by gravity.
Further, the oil return passage 13 extends obliquely downward.
When the overflowing channel comprises the first section 11 and the second section 12, the oil inlet of the oil return channel 13 is arranged on the second section 12, so that the lubricating oil separated by the oil-gas separator 3 can flow into the oil return channel 13 and flow to the part to be lubricated through the oil return channel 13.
The part to be lubricated is the main bearing 5, and the main bearing 5 is lubricated reliably.
Further, the main bearing 5 is a main bearing 5 of the scroll compressor.
Be provided with in first section 11 and filter 4, can filter impurity in first section 11, avoid impurity to get into sound dish compressor, cause unusual wearing and tearing.
Further, the filter member 4 is a filter net.
Further, a filter element 4 is arranged at the inlet end of the first section 11.
In another aspect of the present embodiment, a compressor is provided, which includes the pump body assembly as described above.
The heat exchange medium (namely the refrigerant) enters the compressor, and under the high-speed rotation action of the driving structures such as the crankshaft, the heat exchange medium is driven to flow at a high speed so as to stir the lubricating oil, so that the lubricating oil and the heat exchange medium are fused. The way of the heat exchange medium through the support part 1 is as follows: firstly passes through the first section 11, impurities are filtered in the first section 11 through the filtering piece 4, then passes through the second section 12, collides with the oil-gas separator 3 in the sleeve 2, and lubricating oil is separated to the bottom of the second section 12 under the action of gravity and finally flows to the main bearing 5 through the oil return channel 13. The gaseous heat exchange medium finally enters the pump body through the inner hole of the oil-gas separator 3 to be compressed, and oil-gas separation is realized.
In another aspect of the present embodiment, an air conditioner is provided, which includes the pump body assembly as described above.
Example 2
As shown in fig. 6 and 7, the difference from embodiment 1 is that in this embodiment, the oil-gas separation portion includes an oil-gas separator 3, and the oil-gas separator 3 is disposed in the second section 12, so that the heat exchange medium can be separated from the lubricating oil, and the lubricating oil is prevented from entering the pump body assembly, thereby preventing the volumetric efficiency of the compressor from being reduced, and ensuring good refrigeration capacity and energy efficiency of the system.
Further, in the present embodiment, the sleeve 2 is not provided, and the oil separator 3 is interference-fitted in the second segment 12.
Further, in this embodiment the oil separator 3 is located entirely within the second section 12.
The pump body assembly, the compressor and the air conditioner provided by the embodiment of the invention can prevent lubricating oil from entering the pump body assembly, so that the reduction of the volumetric efficiency of the compressor is avoided, and the good refrigerating capacity and energy efficiency of a system are ensured.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (13)
1. The pump body assembly is characterized by comprising a supporting portion (1) and a compression portion (6), wherein the compression portion (6) is arranged on the supporting portion (1), an overflowing channel is arranged in the supporting portion (1), a heat exchange medium can enter the compression portion (6) through the overflowing channel, and an oil-gas separation portion is arranged in the overflowing channel.
2. The pump body assembly according to claim 1, wherein the transfer passage includes a first section (11) and a second section (12), the first section (11) being located on an upstream side of the second section (12) in a flow direction of the heat exchange medium, at least a portion of the oil-gas separation portion being provided in the second section (12).
3. The pump body assembly according to claim 2, wherein the oil-gas separation portion comprises an oil-gas separator (3) and a sleeve (2), the oil-gas separator (3) is sleeved in the sleeve (2), a first end of the sleeve (2) is sleeved in the second section (12), and a second end of the sleeve (2) extends out of the second section (12).
4. The pump body assembly according to claim 3, characterized in that an access opening is provided on the sleeve (2), said access opening being arranged opposite the first section (11).
5. The pump body assembly according to claim 4, characterized in that the diameter of the inlet port is the same as the diameter of the second section (12).
6. The pump body assembly according to claim 2, characterized in that the oil-gas separation portion comprises an oil-gas separator (3), the oil-gas separator (3) being provided within the second section (12).
7. The pump body assembly according to claim 2, characterized in that said first section (11) is arranged perpendicularly to said second section (12).
8. The pump body assembly according to any one of claims 1 to 7, wherein an oil return channel (13) is further arranged in the supporting portion (1), one end of the oil return channel (13) is communicated with the overflowing channel, and the other end of the oil return channel (13) is communicated with a space where a component to be lubricated is located, so that oil separated by the oil-gas separation portion is guided to the component to be lubricated from the overflowing channel.
9. The pump body assembly according to claim 8, characterized in that the oil inlet of the oil return channel (13) is provided on the second section (12) when the overflow channel comprises a first section (11) and a second section (12).
10. Pump body assembly according to claim 8, characterized in that the component to be lubricated is a main bearing (5).
11. The pump body assembly according to claim 2, characterized in that a filter element (4) is provided in the first section (11).
12. A compressor, characterized by comprising a pump body assembly according to any one of claims 1 to 11.
13. An air conditioner characterized by comprising a pump body assembly according to any one of claims 1 to 11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011351223.4A CN112502980A (en) | 2020-11-26 | 2020-11-26 | Pump body subassembly, compressor and air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011351223.4A CN112502980A (en) | 2020-11-26 | 2020-11-26 | Pump body subassembly, compressor and air conditioner |
Publications (1)
Publication Number | Publication Date |
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CN112502980A true CN112502980A (en) | 2021-03-16 |
Family
ID=74967978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011351223.4A Withdrawn CN112502980A (en) | 2020-11-26 | 2020-11-26 | Pump body subassembly, compressor and air conditioner |
Country Status (1)
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CN (1) | CN112502980A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206221276U (en) * | 2016-11-04 | 2017-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Gs-oil separator, compressor and air-conditioner |
KR20180107482A (en) * | 2017-03-22 | 2018-10-02 | 엘지전자 주식회사 | Scroll compressor |
CN110966185A (en) * | 2019-12-24 | 2020-04-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and automobile with same |
US20200217316A1 (en) * | 2019-01-07 | 2020-07-09 | Lg Electronics Inc. | Motor-operated compressor |
-
2020
- 2020-11-26 CN CN202011351223.4A patent/CN112502980A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206221276U (en) * | 2016-11-04 | 2017-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Gs-oil separator, compressor and air-conditioner |
KR20180107482A (en) * | 2017-03-22 | 2018-10-02 | 엘지전자 주식회사 | Scroll compressor |
US20200217316A1 (en) * | 2019-01-07 | 2020-07-09 | Lg Electronics Inc. | Motor-operated compressor |
CN110966185A (en) * | 2019-12-24 | 2020-04-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and automobile with same |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210316 |
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WW01 | Invention patent application withdrawn after publication |