CN105443389A - Cylinder body structure of rotary compressor and air-conditioning system - Google Patents
Cylinder body structure of rotary compressor and air-conditioning system Download PDFInfo
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- CN105443389A CN105443389A CN201410462822.1A CN201410462822A CN105443389A CN 105443389 A CN105443389 A CN 105443389A CN 201410462822 A CN201410462822 A CN 201410462822A CN 105443389 A CN105443389 A CN 105443389A
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- rotary compressor
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- conditioning system
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Abstract
The invention discloses a cylinder body structure of a rotary compressor and an air-conditioning system. The cylinder body structure comprises a sealed housing, an upper bearing, a lower bearing, a crankshaft and a cylinder, the upper bearing and the lower bearing are arranged in the sealed housing and support the crankshaft, a cylinder is arranged between the upper bearing and the lower bearing, and the cylinder body structure of the rotator compressor also comprises that a jet pipe is arranged at one side of the upper bearing or the lower bearing and penetrates into the sealing housing, and the jet end of the jet pipe is communicated with a jet hole of the upper bearing. By employing the compressor with the cylinder body structure under a high-temperature refrigeration condition, the gas exhausting temperature is effectively reduced, deterioration of an insulating material is avoided, and the running reliability of the compressor is improved, and under the low-temperature heating working condition, the heating capacity is effectively improved, the performances of the air-conditioning system in a low-temperature environment is guaranteed, and user demands are satisfied.
Description
Technical field
The present invention relates to compressor field, espespecially a kind of housing structure of rotary compressor and air-conditioning system.
Background technique
The widely used refrigerant of domestic air conditioning of currently available technology mainly comprises R22 and R410A.R22 belongs to HCFC class material, can do great damage to ozonosphere; Although R410A does not destroy ozonosphere, its global warming potential (GWP) is higher, unfavorable to environment.R32 is as refrigeration agent of future generation, and its lower global warming potential (GWP) and good thermal property obtain the favor of people.But the delivery temperature of R32 refrigeration agent is higher, unfavorable to the insulating material in compressor, have impact on the reliability of compressor; On the other hand, at low ambient temperatures, traditional R32 cold medium compressor heating capacity is lower, cannot meet consumers' demand.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of housing structure and air-conditioning system of rotary compressor, when compressor is worked in high temperature environments, effectively can reduce delivery temperature, avoid excessive discharge temperature to the damage of insulating material in compressor, ensure the reliability of compressor when high temperature environment refrigerating; At low ambient temperatures, provide higher heating capacity, to meet the demand of user.
For solving the problems of the technologies described above, one aspect of the present invention provides a kind of housing structure of rotary compressor, comprise seal casinghousing, upper bearing (metal), lower bearing, bent axle, cylinder, described upper bearing (metal) and lower bearing to be located in described seal casinghousing and to be supported described bent axle, described cylinder is located between described upper bearing (metal) and lower bearing, wherein, the housing structure of described cylinder rotary compressor also comprises: the injection pipe being located at described upper bearing (metal) or lower bearing side, described injection pipe penetrates described seal casinghousing, and its ejection end is communicated with the spray-hole of described upper bearing (metal).
Preferably, the housing structure of described rotary compressor also comprises piston, and described piston is positioned at described cylinder, and jointly forms compression chamber with described upper bearing (metal) and lower bearing, and described bent axle is provided with eccentric part, and described piston sleeve is connected to the eccentric part of described bent axle.
Preferably, described nozzle inside diameter is between 1 to 5mm, described spray-hole is located at the blade groove of described upper bearing (metal) or lower bearing for initial point is rotated in a clockwise direction in the fan-shaped range of 85 ° to 120 °, and described clockwise direction be from described upper bearing (metal) toward described cylinder see clockwise.
The present invention provides a kind of air-conditioning system on the other hand, comprise rotary compressor, condenser, vaporizer, throttle valve and control valve, wherein, described rotary compressor has foregoing housing structure, and the refrigerant input end of the injection pipe of described rotary compressor connects the output terminal of described condenser through described control valve, the intakeport of described rotary compressor connects the input end of described condenser, the output terminal of described condenser connects the input end of described vaporizer through described throttle valve, the output terminal of described vaporizer connects the intakeport of described rotary compressor.
Preferably, described air-conditioning system also comprises electric expansion valve and flash evaporation, and the output terminal of described condenser is connected the input end of described throttle valve successively with described flash evaporation through described electric expansion valve, the input end of described control valve connects the output terminal of described flash evaporation.Wherein, described throttle valve is electric expansion valve or capillary tube, and described control valve is solenoid valve or electric expansion valve.
When high-temperature refrigeration, the present invention significantly reduces delivery temperature, avoids insulating material deterioration, improve the reliability of compressor operating, under the operating mode of low-temperature heating, the present invention improves heating capacity effectively, ensure the Performance for Air Conditioning Systems under low temperature environment, meet consumers' demand.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is the schematic diagram of the housing structure of rotary compressor according to an embodiment of the invention;
Fig. 2 is that in the housing structure according to the rotary compressor of embodiment as shown in Figure 1, upper bearing (metal) spray-hole offers position view;
Fig. 3 is the air-conditioning system schematic diagram of the compressor of the rotary cylinder body structure with embodiment as shown in Figure 1;
Fig. 4 be the rotary cylinder body structure with embodiment as shown in Figure 1 compressor and with the air-conditioning system schematic diagram of flash evaporation.
Embodiment
Be illustrated in figure 1 the housing structure schematic diagram of the rotary compressor of one embodiment of the invention.As shown in the figure, the housing structure of the rotary compressor of the present embodiment comprises seal casinghousing 1, upper bearing (metal) 2, lower bearing 3, bent axle 6, cylinder 4 and piston 5, described upper bearing (metal) 2 and lower bearing 3 are located in described seal casinghousing 1, described cylinder 4 is located between described upper bearing (metal) 2 and lower bearing 3, described piston 5 is positioned at described cylinder 4, and jointly form compression chamber 41 with described upper bearing (metal) 2 and lower bearing 3, described upper bearing (metal) 2 and lower bearing 3 support described bent axle 4, described bent axle 6 is provided with eccentric part, and described piston 5 is socketed on the eccentric part of described bent axle 6.
The housing structure of the present embodiment is provided with spray-hole 22 in described upper bearing (metal) 2 side, injection pipe 7 penetrates described seal casinghousing 1, and the ejection end of described injection pipe 7 is communicated with the spray-hole 22 of described upper bearing (metal) 2, described cylinder 4 side is provided with intakeport 42, and described spray-hole 22 and intakeport 42 are communicated with described compression chamber 41 respectively.
Further, as shown in Figure 2, spray-hole 22 diameter of described upper bearing (metal) 2 is between 1 to 5mm, described spray-hole 22 is located at the blade groove 23 of upper bearing (metal) 2 for initial point is rotated in a clockwise direction in the fan-shaped range of 85 ° to 120 °, and described clockwise direction be from described upper bearing (metal) 2 toward described cylinder 4 see clockwise.
In the housing structure of the present embodiment, piston is rotated in cylinder by crank-driven, and the R32 refrigerant entering compression chamber by the spray-hole of upper bearing (metal) by injection pipe is compressed.In embodiment as shown in Figure 2, although described spray-hole 22 is arranged at described upper bearing (metal) 2 side, but those skilled in the art should know know be, in other embodiments, spray-hole also can be arranged at the side (not shown) of described lower bearing 3, correspondingly, described injection pipe 7 penetrates described closed shell 1, and its ejection end is communicated to described compression chamber 41 by the spray-hole on described lower bearing 3.
Figure 3 shows that the air-conditioning system schematic diagram of the compressor of the rotary cylinder body structure with embodiment as shown in Figure 1.As shown in the figure, described air-conditioning system comprises compressor 11, condenser 12, vaporizer 15, throttle valve 14 and control valve 13, the injection pipe input end of described compressor 11 connects the output terminal of described condenser 12 through described control valve 13, the intakeport of described compressor 11 connects the input end of described condenser 12, the output terminal of described condenser 12 connects the input end of described vaporizer 15 through described throttle valve 14, the output terminal of described vaporizer 15 connects the intakeport of described compressor 11.
In the air-conditioning system of the present embodiment, R32 refrigerant enters condenser be compressed into high temperature and high pressure gas in compressor after, is condensed into refrigerant liquid, releases heat simultaneously by condenser heat exchange; Refrigerant liquid is out divided into two branch roads from condenser later, when control valve is closed, refrigerant liquid is by entering vaporizer after throttle valve reducing pressure by regulating flow, gas is flashed in vaporizer, take away heat simultaneously, refrigerant gas from vaporizer out after sucked by compressor, again compress, complete circulation; When the control valve is opened, article one, the refrigerant liquid of branch road enters the compression chamber of compressor by injection pipe through control valve, thus the delivery temperature of compressor is reduced, improve the reliability of compressor operating, another road refrigerant liquid is by entering vaporizer after throttle valve reducing pressure by regulating flow, and refrigerant liquid flashes to gas in vaporizer, take away heat simultaneously, refrigerant gas from vaporizer out after sucked by compressor, again compress, complete circulation.
Fig. 4 be the rotary cylinder body structure with embodiment as shown in Figure 1 compressor and with the air-conditioning system schematic diagram of flash evaporation.As shown in the figure, the air-conditioning system of the present embodiment also comprises electric expansion valve 16 and flash evaporation 17, the output terminal of described condenser 12 connects the input end of described throttle valve 14 successively through described electric expansion valve 16, flash evaporation 17, the input end of described control valve 13 connects the output terminal of described flash evaporation 17.
In the air-conditioning system of band flash evaporation 17, R32 refrigerant enters condenser be compressed into high temperature and high pressure gas in compressor after, refrigerant liquid is condensed into by condenser heat exchange, release heat simultaneously, refrigerant liquid out enters flash evaporation from condenser later after electric expansion valve reducing pressure by regulating flow, and in flash evaporation, refrigerant liquid is separated into gas and liquid; When control valve is closed, refrigerant liquid is from flash evaporation out later by entering vaporizer after throttle valve reducing pressure by regulating flow, and refrigerant liquid flashes to gas in vaporizer, take away heat simultaneously, refrigerant gas from vaporizer out after sucked by compressor, again compress, complete circulation; When the control valve is opened, in flash evaporation, refrigerant gas enters the compression chamber of compressor by injection pipe through control valve, improve compressor heating performance at low ambient temperatures, refrigerant liquid is out later by entering vaporizer after throttle valve reducing pressure by regulating flow from flash evaporation, refrigerant liquid flashes to gas in vaporizer, takes away heat simultaneously, refrigerant gas from vaporizer out after sucked by compressor, again compress, complete circulation.
More specifically, the throttle valve 14 in above-mentioned air-conditioning system can adopt electric expansion valve or capillary tube, and control valve 13 can adopt solenoid valve or electric expansion valve.
The housing structure of rotary compressor of the present invention and air-conditioning system achieve the combination of R32 refrigerant and single cylinder injection compressor, when high-temperature refrigeration, significantly reduce delivery temperature, effectively heating capacity is improve under the operating mode of low-temperature heating, avoid insulating material deterioration, improve the reliability of compressor operating, ensure the Performance for Air Conditioning Systems under low temperature environment, meet consumers' demand.
Claims (8)
1. the housing structure of a rotary compressor, comprise seal casinghousing, upper bearing (metal), lower bearing, bent axle, cylinder, described upper bearing (metal) and lower bearing to be located in described seal casinghousing and to be supported described bent axle, described cylinder is located between described upper bearing (metal) and lower bearing, it is characterized in that, the housing structure of described cylinder rotary compressor also comprises: the injection pipe being located at described upper bearing (metal) or lower bearing side, described injection pipe penetrates described seal casinghousing, and its ejection end is communicated with the spray-hole of described upper bearing (metal).
2. the housing structure of rotary compressor according to claim 1, is characterized in that, the housing structure of described rotary compressor also comprises piston, and described piston is positioned at described cylinder, and jointly forms compression chamber with described upper bearing (metal) and lower bearing.
3. the housing structure of rotary compressor according to claim 2, is characterized in that, described bent axle is provided with eccentric part, and described piston sleeve is connected to the eccentric part of described bent axle.
4. according to the housing structure of the rotary compressor of claims 1 to 3 wherein described in any one, it is characterized in that, described nozzle inside diameter is between 1 to 5mm, described spray-hole is located at the blade groove of described upper bearing (metal) or lower bearing for initial point is rotated in a clockwise direction in the fan-shaped range of 85 ° to 120 °, and described clockwise direction be from described upper bearing (metal) toward described cylinder see clockwise.
5. an air-conditioning system, comprise rotary compressor, condenser, vaporizer, throttle valve and control valve, it is characterized in that, described rotary compressor has as the housing structure of Claims 1-4 wherein as described in any one, and the refrigerant input end of the injection pipe of described rotary compressor connects the output terminal of described condenser through described control valve, the intakeport of described rotary compressor connects the input end of described condenser, the output terminal of described condenser connects the input end of described vaporizer through described throttle valve, the output terminal of described vaporizer connects the intakeport of described rotary compressor.
6. air-conditioning system according to claim 5, it is characterized in that, described air-conditioning system also comprises electric expansion valve and flash evaporation, the output terminal of described condenser is connected the input end of described throttle valve successively with described flash evaporation through described electric expansion valve, the input end of described control valve connects the output terminal of described flash evaporation.
7. air-conditioning system according to claim 6, is characterized in that, described throttle valve is electric expansion valve or capillary tube.
8. air-conditioning system according to claim 6, is characterized in that, described control valve is solenoid valve or electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462822.1A CN105443389A (en) | 2014-09-12 | 2014-09-12 | Cylinder body structure of rotary compressor and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462822.1A CN105443389A (en) | 2014-09-12 | 2014-09-12 | Cylinder body structure of rotary compressor and air-conditioning system |
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| CN105443389A true CN105443389A (en) | 2016-03-30 |
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| CN201410462822.1A Pending CN105443389A (en) | 2014-09-12 | 2014-09-12 | Cylinder body structure of rotary compressor and air-conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469510A (en) * | 2018-05-11 | 2019-11-19 | 上海海立电器有限公司 | Compressor |
Citations (9)
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|---|---|---|---|---|
| JPS55125388A (en) * | 1979-03-20 | 1980-09-27 | Sanyo Electric Co Ltd | Liquid refrigerant in-flow device for enclosed rotary compressor |
| JPS6134376A (en) * | 1984-07-26 | 1986-02-18 | Matsushita Electric Ind Co Ltd | Suction device for enclosed compressor |
| US4636152A (en) * | 1984-08-22 | 1987-01-13 | Mitsubishi Denki Kabushiki Kaisha | Rotary compressor |
| JPS62267583A (en) * | 1986-05-16 | 1987-11-20 | Hitachi Ltd | Refrigerating cycle |
| JPH10281090A (en) * | 1997-04-07 | 1998-10-20 | Mitsubishi Electric Corp | Sealed type rotary compressor |
| JP2000170678A (en) * | 1998-12-07 | 2000-06-20 | Daikin Ind Ltd | Rotary compressor |
| CN2748672Y (en) * | 2004-11-25 | 2005-12-28 | 上海日立电器有限公司 | Temperature lowering jetting structure for motor of rotary double-cylinder compressor |
| CN101067522A (en) * | 2007-05-23 | 2007-11-07 | 广东美的电器股份有限公司 | Adjustable output power air conditioner |
| CN101586562A (en) * | 2009-06-30 | 2009-11-25 | 珠海格力电器股份有限公司 | Rotary compressor with enthalpy-increasing device |
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2014
- 2014-09-12 CN CN201410462822.1A patent/CN105443389A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55125388A (en) * | 1979-03-20 | 1980-09-27 | Sanyo Electric Co Ltd | Liquid refrigerant in-flow device for enclosed rotary compressor |
| JPS6134376A (en) * | 1984-07-26 | 1986-02-18 | Matsushita Electric Ind Co Ltd | Suction device for enclosed compressor |
| US4636152A (en) * | 1984-08-22 | 1987-01-13 | Mitsubishi Denki Kabushiki Kaisha | Rotary compressor |
| JPS62267583A (en) * | 1986-05-16 | 1987-11-20 | Hitachi Ltd | Refrigerating cycle |
| JPH10281090A (en) * | 1997-04-07 | 1998-10-20 | Mitsubishi Electric Corp | Sealed type rotary compressor |
| JP2000170678A (en) * | 1998-12-07 | 2000-06-20 | Daikin Ind Ltd | Rotary compressor |
| CN2748672Y (en) * | 2004-11-25 | 2005-12-28 | 上海日立电器有限公司 | Temperature lowering jetting structure for motor of rotary double-cylinder compressor |
| CN101067522A (en) * | 2007-05-23 | 2007-11-07 | 广东美的电器股份有限公司 | Adjustable output power air conditioner |
| CN101586562A (en) * | 2009-06-30 | 2009-11-25 | 珠海格力电器股份有限公司 | Rotary compressor with enthalpy-increasing device |
Non-Patent Citations (1)
| Title |
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| 李红旗等: "《制冷空调与能源动力系统新技术》", 30 September 2006 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469510A (en) * | 2018-05-11 | 2019-11-19 | 上海海立电器有限公司 | Compressor |
| CN110469510B (en) * | 2018-05-11 | 2021-11-09 | 上海海立电器有限公司 | Compressor |
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Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant before: Rili Electric Appliance Co., Ltd., Shanghai |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |