CN2682346Y - Oil return apparatus of compressor - Google Patents
Oil return apparatus of compressor Download PDFInfo
- Publication number
- CN2682346Y CN2682346Y CN 200320113244 CN200320113244U CN2682346Y CN 2682346 Y CN2682346 Y CN 2682346Y CN 200320113244 CN200320113244 CN 200320113244 CN 200320113244 U CN200320113244 U CN 200320113244U CN 2682346 Y CN2682346 Y CN 2682346Y
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- Prior art keywords
- compressor
- oil
- pipe
- air
- oil separator
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Abstract
The utility model discloses an oil-return device of compressor, comprising a compressor (1), an exhaust pipe (2), an oil separator (3), capillary pipes (4), an air inlet pipe of compressor (5), an inlet pipe (6) of a four-way valve or a condenser, a by-pass pipe (7) and a regulating valve (8). The by-pass pipe (7) is connected in series with the regulating valve (8), and is connected in parallel with the oil separator (3) between the exhaust pipe (2) and the inlet pipe (6) of a four-way valve or a condenser. Compared with prior art, the utility model has the advantages that a by-pass branch pipe and the regulating valve on the by-pass branch pipe are provided; the mixture of the gaseous refrigerant and the lubricating oil can partly and continuously travel through the oil separator, or can all travel through the oil separator at interval; on the premise of abating the circulation resistance of traveling through the oil separator, thorough oil return of the compressor is guaranteed; the compressor failure caused by lubricating oil shortage is avoided to guarantee the normal running of the compressor; the service life of the compressor, the reliability of the air conditioning system and the efficiency of the air conditioner are improved.
Description
Technical field
The utility model relates to the steam compressing air conditioner device, and more specifically to the oil return apparatus of compressor in the air-conditioner, it belongs to air-conditioning technical field.
Background technology
Existing steam compressing air conditioner device, it mainly comprises: compressor, cross valve, condenser, evaporimeter and conveying pipe of refrigerant road.In the running of air-conditioner, condenser, evaporimeter and conveying pipe of refrigerant road all can store the lubricating oil of a part of compressor.When the lubricating oil of discharging from compressor is not got back to compressor, or the time of refluxing too late, and petrol starvation can take place compressor, causes lubricated insufficiently, and the lighter causes compressor operating operation troubles to occur, and weight person damages compressor.For this reason, must adopt the oil return measure.
For solving the oil return problem of compressor, Chinese patent 02135245.3, the multiple compressor variable volume outdoor unit of one one driven multiple air conditioner, when handling the oil return problem of compressor, adopt the scheme that between the blast pipe of compressor and air intake duct, forms an oil return bypass circulation by oil eliminator and capillary.By the oil return bypass circulation is set, discharges the lubricating oil of compressor with gaseous refrigerant and can be separated, and get back to compressor by capillary by oil eliminator.Yet in oil separation process, oil eliminator has produced very big flow resistance, like this, compare with traditional air-conditioner that does not have oil eliminator, the household air-conditioner that oil eliminator is set has improved, but oil eliminator the consumption that has increased electric energy is set, reduced economic benefit.
Be to solve the resistance problem that the oil eliminator in the oil return bypass circulation brings, Chinese patent 98115274.0 has proposed a kind of air-conditioner that has low-resistance oil separation unit, its measure of taking in the parallel connection of the next door of oil eliminator a bypass pipe.Pass through the principle of the little branch road of resistance easily according to fluid, in fact, the overwhelming majority gaseous refrigerant and the mixture of lubricating oil directly enter into the inlet pipe of cross valve or condenser by bypass pipe, and have only seldom part of refrigerant and the mixture of lubricating oil pass through oil eliminator.Like this, oil eliminator has not been given play to its due oil basically and has been separated function, and the oil return effect is undesirable.
The utility model content
The purpose of this utility model, be to overcome the shortcoming and defect of above-mentioned prior art exactly, a kind of oil return apparatus that can reduce the steam compressing air conditioner device compressor of the flow resistance of separating the lubricating oil generation from cold-producing medium is provided, avoid because of the not enough compressor fault that produces of lubricating oil, guarantee the normal operation of compressor, improve the service life of compressor and the reliability of air-conditioning system, improve efficiency of air conditioner.
For realizing task of the present utility model, a kind of oil return apparatus that can reduce the steam compressing air conditioner device compressor of the flow resistance of separating the lubricating oil generation from cold-producing medium is provided, its technical scheme comprises: form an oil return bypass circulation by oil eliminator and capillary between the blast pipe of compressor and air intake duct, at oil eliminator next door bypass branch road that has control valve in parallel.It is characterized in that control valve can be flow control valve and switch electromagnetic valve, when control valve adopts flow control valve, can regulate by the cold-producing medium of oil eliminator and the flow of oil mixture the oil return bypass circulation oil return that the lubricating oil of separating is formed by oil eliminator and capillary continuously; When control valve adopts switch electromagnetic valve, can allow the mixture of cold-producing medium and lubricating oil pass through oil eliminator at set intervals by setting the time of valve opening solenoid and pass, realize oil return at interval.Like this, both can reduce circulating resistance, can guarantee the normal operation of compressor again, improve the service life of compressor and the reliability of air-conditioning system, improve the efficient of system by oil eliminator.
Compared with prior art, advantage of the present utility model is: owing to the control valve that is provided with on bypass arm and the arm, the mixture of gaseous refrigerant and lubricating oil can partly pass through oil eliminator continuously, can realize that also the compartment of terrain all passes through oil eliminator, under the prerequisite that reduces the circulating resistance that passes through oil eliminator, guarantee the abundant oil return of compressor, avoid because of the not enough compressor fault that produces of lubricating oil, guarantee the normal operation of compressor, improve the service life of compressor and the reliability of air-conditioning system, improve efficiency of air conditioner.
Description of drawings:
Fig. 1 is a kind of compressor oil return apparatus structural representation,
Fig. 2 is another kind of compressor oil return apparatus structural representation,
Fig. 3 is the utility model structural representation.
The specific embodiment
Structure of the present utility model such as Fig. 1, Fig. 2 and shown in Figure 3 comprise: the inlet pipe 6 of compressor 1, blast pipe 2, oil eliminator 3, capillary 4, compressor suction duct 5, cross valve or condenser, bypass pipe 7, control valve 8.Described bypass pipe 7 connect with control valve 8 back and oil eliminator 3 and be connected in blast pipe 2 and the inlet pipe 6 of cross valve or condenser between; Described control valve 8 can adopt flow control valve and switch electromagnetic valve, by control valve 8, can control by the cold-producing medium of oil eliminator 3 and the flow of oil mixture, or control the time interval of this mixture by oil eliminator 3, thereby under the prerequisite of the abundant oil return that guarantees compressor, reduced circulating resistance by oil eliminator, reduced the energy consumption of air-conditioner, improved efficiency of air conditioner, avoid because of the not enough compressor fault that produces of lubricating oil, guarantee the normal operation of compressor, improve the service life of compressor and the reliability of air-conditioning system.
Operation principle of the present utility model is: when control valve 8 adopts flow control valve, can regulate by the cold-producing medium of oil eliminator 3 and the flow of oil mixture, allow the mixture of part of refrigerant and lubricating oil directly enter adapter 6, reduce by the cold-producing medium of oil eliminator 3 and the flow of oil mixture by bypass arm 7 and control valve 8.On the one hand, reduce the resistance that produces at oil eliminator 3 places, reduced the energy consumption of air-conditioner, improved efficiency of air conditioner; On the other hand, owing to have lubricating oil to separate from oil eliminator 3 continuously, and get back to compressor 1 through the air intake duct of capillary 4 and compressor, assurance lubricating oil can in time be got back to compressor, avoids because of the not enough compressor fault that produces of lubricating oil.
When control valve 8 adopts switch electromagnetic valves, can regulate by the cold-producing medium of oil eliminator 3 and the time interval of oil mixture, in interval of delta t sometime
1In allow the mixture of cold-producing medium and lubricating oil directly enter to take over 6 by bypass arm 7 and control valve 8, then, the time interval Δ t that is being right after
2In allow the mixture of cold-producing medium and lubricating oil by oil eliminator 3, like this, shortened the time of the mixture of cold-producing medium and lubricating oil by oil eliminator 3.On the one hand, reduce the resistance that produces at oil eliminator 3 places, reduced the energy consumption of air-conditioner, improved efficiency of air conditioner; On the other hand, because every Δ t
1The time interval, lubricating oil continues Δ t
2The time interval separate from oil eliminator 3, and get back to compressor 1 through the air intake duct of capillary 4 and compressor, guarantee that compressor can access enough lubricating oil, avoid because of the not enough compressor fault that produces of lubricating oil.
According to the utility model, because the cold-producing medium and the oil mixture of discharging from compressor have reduced by the oil eliminator flow, perhaps cold-producing medium and oil mixture shortened by the time of oil eliminator, the flow resistance that is created in the oil eliminator 3 significantly reduces, under the prerequisite that guarantees the compressor oil return, reduced the energy that air-conditioner consumes, improve efficiency of air conditioner, avoided the oil starvation fault of compressor, improved the reliability of air-conditioner.
Claims (2)
1, a kind of compressor oil return apparatus, comprise inlet pipe (6), bypass pipe (7), the control valve (8) of compressor (1), blast pipe (2), oil eliminator (3), capillary (4), compressor suction duct (5), cross valve or condenser, it is characterized in that: described bypass pipe (7) connect with control valve (8) back and oil eliminator (3) and being connected between the inlet pipe (6) of blast pipe (2) and cross valve or condenser.
2, compressor oil return apparatus according to claim 1 is characterized in that: described control valve (8) can be flow control valve or switch electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320113244 CN2682346Y (en) | 2003-11-14 | 2003-11-14 | Oil return apparatus of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320113244 CN2682346Y (en) | 2003-11-14 | 2003-11-14 | Oil return apparatus of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2682346Y true CN2682346Y (en) | 2005-03-02 |
Family
ID=34599416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320113244 Expired - Lifetime CN2682346Y (en) | 2003-11-14 | 2003-11-14 | Oil return apparatus of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2682346Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100516693C (en) * | 2007-08-15 | 2009-07-22 | 阿尔西制冷工程技术（北京）有限公司 | Wind cooling split type air adjusting machine communicate system |
| CN101561208B (en) * | 2009-05-15 | 2010-12-08 | 宁波奥克斯电气有限公司 | Method for controlling oil return of air conditioners |
| CN102338062A (en) * | 2010-07-27 | 2012-02-01 | 约克（无锡）空调冷冻设备有限公司 | Oil cooling circulation device, oil cooling device and air conditioning equipment |
| CN102338505A (en) * | 2011-09-30 | 2012-02-01 | Tcl空调器（武汉）有限公司 | Oil return flow path for multi-connected compressors and control method of oil return flow path |
| CN102678515A (en) * | 2012-05-15 | 2012-09-19 | 阿特拉斯·科普柯（上海）工艺设备有限公司 | Oil mist separation system |
| US8297073B2 (en) | 2007-01-31 | 2012-10-30 | Daikin Industries, Ltd. | Heat source unit and refrigeration system |
| CN104729151A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Treating method and treating system for compressor oil return pipeline faults of air conditioning system |
| CN106766424A (en) * | 2017-01-13 | 2017-05-31 | 珠海格力电器股份有限公司 | Air-conditioning system and its control method |
| CN108168163A (en) * | 2018-01-23 | 2018-06-15 | 海信（山东）冰箱有限公司 | A kind of refrigeration system and refrigeration equipment |
| CN111256388A (en) * | 2018-11-30 | 2020-06-09 | 广东美芝精密制造有限公司 | Refrigeration system |
| CN114198952A (en) * | 2020-08-31 | 2022-03-18 | 施耐德电气It 公司 | System, method, and non-transitory computer readable medium for filter oil separator |
-
2003
- 2003-11-14 CN CN 200320113244 patent/CN2682346Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8297073B2 (en) | 2007-01-31 | 2012-10-30 | Daikin Industries, Ltd. | Heat source unit and refrigeration system |
| CN100516693C (en) * | 2007-08-15 | 2009-07-22 | 阿尔西制冷工程技术（北京）有限公司 | Wind cooling split type air adjusting machine communicate system |
| CN101561208B (en) * | 2009-05-15 | 2010-12-08 | 宁波奥克斯电气有限公司 | Method for controlling oil return of air conditioners |
| CN102338062A (en) * | 2010-07-27 | 2012-02-01 | 约克（无锡）空调冷冻设备有限公司 | Oil cooling circulation device, oil cooling device and air conditioning equipment |
| CN102338062B (en) * | 2010-07-27 | 2014-04-30 | 约克（无锡）空调冷冻设备有限公司 | Oil cooling circulation device, oil cooling device and air conditioning equipment |
| CN102338505A (en) * | 2011-09-30 | 2012-02-01 | Tcl空调器（武汉）有限公司 | Oil return flow path for multi-connected compressors and control method of oil return flow path |
| CN102678515A (en) * | 2012-05-15 | 2012-09-19 | 阿特拉斯·科普柯（上海）工艺设备有限公司 | Oil mist separation system |
| CN104729151A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Treating method and treating system for compressor oil return pipeline faults of air conditioning system |
| CN104729151B (en) * | 2013-12-23 | 2017-06-20 | 珠海格力电器股份有限公司 | The processing method and system of the compressor return line failure of air-conditioning system |
| CN106766424A (en) * | 2017-01-13 | 2017-05-31 | 珠海格力电器股份有限公司 | Air-conditioning system and its control method |
| CN108168163A (en) * | 2018-01-23 | 2018-06-15 | 海信（山东）冰箱有限公司 | A kind of refrigeration system and refrigeration equipment |
| CN108168163B (en) * | 2018-01-23 | 2020-07-28 | 海信（山东）冰箱有限公司 | Refrigerating system and refrigerating equipment |
| CN111256388A (en) * | 2018-11-30 | 2020-06-09 | 广东美芝精密制造有限公司 | Refrigeration system |
| CN111256388B (en) * | 2018-11-30 | 2021-10-19 | 广东美芝精密制造有限公司 | Refrigeration system |
| CN114198952A (en) * | 2020-08-31 | 2022-03-18 | 施耐德电气It 公司 | System, method, and non-transitory computer readable medium for filter oil separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131114 Granted publication date: 20050302 |