CN102062094B - Rolling rotor refrigeration compressor with function of preventing liquid impact - Google Patents
Rolling rotor refrigeration compressor with function of preventing liquid impact Download PDFInfo
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- CN102062094B CN102062094B CN2010105947599A CN201010594759A CN102062094B CN 102062094 B CN102062094 B CN 102062094B CN 2010105947599 A CN2010105947599 A CN 2010105947599A CN 201010594759 A CN201010594759 A CN 201010594759A CN 102062094 B CN102062094 B CN 102062094B
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Abstract
The invention discloses a rolling rotor refrigeration compressor with a function of preventing liquid impact, which is used for guaranteeing the normal work of a refrigeration compressor and the good operation of a refrigeration system, reducing equipment investment and saving energy. A right end cover is provided with a suction hole communicated with a suction pipe. A cover plate is provided with an exhaust hole which is provided with an exhaust valve. A bypass port is arranged beside the exhaust valve. The distance between the exhaust hole and a slip sheet is less than the distance between the bypass port and the slip sheet. An exhaust cavity is arranged between a left end cover and the cover plate. The left end cover is provided with an exhaust through hole communicated with the exhaust cavity. The position on the left end cover, corresponding to the bypass port on the cover plate, is provided with a spring groove. A bypass valve plate jacking spring which makes a round bypass valve plate jacked on the bypass port is arranged in the spring groove. The bypass valve plate jacking spring, the round bypass valve plate and the corresponding positions of the left end cover and the cover plate form a bypass valve. The rolling rotor refrigeration compressor disclosed by the invention can prevent liquid impact accident, guarantee the reliability of the refrigeration compressor and the operation performance of the refrigeration system, reduce cost, and save energy. Besides, the invention is safe and reliable.
Description
Technical field
The present invention relates to a kind of rolling rotor refrigeration compressor with anti-liquid hammer function.
Background technique
The rolling rotor refrigeration compressor is by the exhaust of outlet valve control refrigeration working medium gas, if the heating power expansion valve Control Failure of refrigeration system or delay reflection, the refrigeration working medium amount of liquid of supplying with vaporizer is excessive; And the heat load minimizing in the space that is cooled of vaporizer absorption, refrigeration working medium liquid is evaporation fully, particularly for utilizing the shell-side high pressure to supply the rolling rotor refrigeration compressor of lubricant oil; Its air-breathing connecting tube directly is connected with suction port, and the refrigeration working medium of the low-temp low-pressure that vaporizer comes directly gets into volume space, and this can cause the liquid of refrigeration working medium to get into the volume space of rolling rotor refrigeration compressor together in company with gas; Because the compressibility of liquid is poor, make that the pressure in the volume space sharply raises, surpass the ability to bear of exhaust valve component when pressure; Make the fracture of exhaust valve component and its positioning element connected element; Cause the damage of outlet valve, cause serious liquid hammer accident, the compressor cisco unity malfunction; Even scrap; Refrigeration system is compelled to shut down, and causes that the loss that can't retrieve and equipment drop into the raising of expense, waste resource.Therefore, it is imperative that development has the refrigeration compressor of anti-liquid hammer function.
Summary of the invention
The present invention is in order to overcome deficiency of the prior art, a kind of rolling rotor refrigeration compressor with anti-liquid hammer function to be provided, to guarantee the proper functioning of refrigeration compressor, the good operation of refrigeration system, minimizing equipment investment, energy saving.
The present invention realizes through following technical proposals:
A kind of rolling rotor refrigeration compressor with anti-liquid hammer function; It is characterized in that, comprise slide plate, sucking pipe, casing, motor stator, rotor, eccentric main axis, right end cap, sleeve, eccentric oil duct, cover plate, fuel sucking pipe, oil groove, left end cap, exhaust cavity, cylinder; Cylinder is fixedly connected with casing; Eccentric main axis is provided with eccentric oil duct, and said right end cap is sleeved on the outside gasket seal that also passes through of eccentric main axis and is fixedly connected with cylinder with screw, and said cover plate is sleeved on the eccentric main axis outside; And be fixedly connected with cylinder with left end cap respectively with screw through sealing gasket; Eccentric main axis cooperates with rotor, and rotor cooperates with motor stator, and outlet pipe and sucking pipe are installed on the casing; Said eccentric main axis eccentric part outer cover is equipped with sleeve; The outer surface and the cylinder surfaces of sleeve are tangent; The eccentric part of eccentric main axis and sleeve are formed the eccentric rotor that in cylinder, rolls, and form meniscate space between the internal surface of eccentric rotor outer surface and cylinder and right end cap and the cover plate, and said cylinder is provided with vane slot; Slide plate is installed in the said vane slot holds out against spring and slide plate, the outer surface of slide plate and eccentric rotor is tangent and crescent-shaped space is separated into two-part; Counter clockwise direction one side of slide plate has the suction port that is communicated with sucking pipe in the corresponding cylinder of said right end cap; Be arranged in clockwise direction one side of cylinder slide plate and the position of said suction port symmetry on the said cover plate and be provided with exhaust port; On the said exhaust port outlet valve is installed; The other cover plate of said outlet valve is provided with by-pass port; Distance between said exhaust port and the slide plate less than between by-pass port and the slide plate apart from the main axis rotation process earlier through by-pass port; Offer exhaust cavity between said left end cap and the cover plate, the air outlet of said by-pass port and outlet valve is communicated with exhaust cavity respectively, and the position of corresponding cover plate upper air-vent offers the exhaust hole that is communicated with exhaust cavity on the left end cap; On the said left end cap on the corresponding cover plate position of by-pass port be provided with spring groove, be placed with the bypass valve block that circular bypass valve block is held out against on by-pass port in the spring groove and hold out against spring; The space of one end of left end cap and eccentric main axis band oil duct forms oil groove, is welded with the fuel sucking pipe that is communicated with oil groove on the left end cap, and fuel sucking pipe stretches in the lubricating oil bath in the casing, and eccentric oil duct is communicated with oil groove.
The bottom of casing is installed and is looked oily mirror.
The present invention has following technique effect:
The present invention has the rolling rotor refrigeration compressor of anti-liquid hammer function; Utilize the resulting structure space of rolling rotor refrigeration compressor end cap, offer the by-pass port of high-pressure working medium, anti-liquid hammer bypass valve is set; Prevent the generation of liquid hammer accident; Guarantee the reliability of refrigeration compressor and the ride quality of refrigeration system, reduce cost energy saving.And, the rolling rotor refrigeration compressor with anti-liquid hammer function of the present invention, component structural is simple, and processing and assembling is convenient, and control is flexibly, and is safe and reliable.
Description of drawings
The schematic representation of the rolling rotor refrigeration compressor of Fig. 1 anti-liquid hammer function for the present invention has;
Fig. 2 is the A-A sectional view;
Fig. 3 is the B-B sectional view;
Fig. 4 is the C-C sectional view;
Fig. 5 is the D-D sectional view.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment to the detailed description of the invention.
Rolling rotor refrigeration compressor schematic representation with anti-liquid hammer function of the present invention such as Fig. 1 comprise slide plate 1, sucking pipe 2, casing 3, motor stator 4, rotor 5, eccentric main axis 6, right end cap 8, sleeve 9, eccentric oil duct 10, cover plate 11, fuel sucking pipe 13, oil groove 14, left end cap 15, exhaust cavity 16, cylinder 17, outlet pipe 29 to shown in Figure 5.Cylinder 17 is fixedly connected with casing 3, and eccentric main axis 6 is provided with eccentric oil duct 10, said right end cap 8 be sleeved on eccentric main axis 6 outside and through gasket seal be installed in screw hole 19 interior screws 7 and be fixedly connected with cylinder 17.Said cover plate 11 is sleeved on eccentric main axis 6 outsides, and is fixedly connected with cylinder 17 with left end cap 15 respectively with screws 12 in being installed on screw hole 22 through sealing gasket.Eccentric main axis 6 cooperates with rotor 5, and rotor 5 cooperates with motor stator 4, is welded with outlet pipe 29 and sucking pipe 2 on the casing 3.Said eccentric main axis 6 eccentric part outer cover are equipped with sleeve 9; The outer surface of sleeve 9 and cylinder 17 internal surfaces are tangent; The eccentric part of eccentric main axis 6 and sleeve 9 are formed the eccentric rotor that in cylinder, rolls, and the eccentric rotor of rolling and the throw of eccentric of main shaft are the outer radius of sleeve and the main shaft semidiameter of eccentric main axis.Form meniscate space between the internal surface of eccentric rotor outer surface and cylinder and right end cap and the cover plate.Said cylinder 17 is provided with vane slot 18, slide plate is installed in the said vane slot 18 holds out against spring and slide plate 1, and slide plate 1 is tangent and crescent-shaped space is separated into two-part with the outer surface of eccentric rotor, and slide plate 1 is slide relative in vane slot 18.Slide plate 1 is tangent with the outer surface of eccentric rotor; Make the outer surface of slide plate and eccentric rotor that a contacted straight line arranged, along with the rotation of eccentric main axis 6, two little spaces are constantly ascending; Descending again, realize air-breathing, compression and exhaust to refrigeration working medium gas.
Counter clockwise direction one side of slide plate has the suction port 26 that is communicated with sucking pipe 2 in the said right end cap 8 corresponding cylinders; Be arranged in clockwise direction one side of cylinder slide plate and the position of said suction port 26 symmetries on the said cover plate 11 and be provided with exhaust port 27; On the said exhaust port 27 outlet valve 20 is installed; Said outlet valve 20 other cover plates are provided with by-pass port 21; Distance between said exhaust port and the slide plate is less than the distance between by-pass port and the slide plate, makes in the main axis rotation process to pass through exhaust port more earlier through by-pass port.Offer exhaust cavity 16 between said left end cap 15 and the cover plate 11; The air outlet of said by-pass port 21 and outlet valve 20 is communicated with exhaust cavity 16 respectively; The position of corresponding cover plate upper air-vent 27 offers the exhaust hole 25 that is communicated with exhaust cavity on the left end cap 15; On the said left end cap 15 on the corresponding cover plate position of by-pass port 21 be provided with spring groove 23; Be placed with the bypass valve block that circular bypass valve block is held out against on by-pass port in the spring groove 23 and hold out against spring 24, the relevant position that the bypass valve block holds out against spring, circular bypass valve block and left end cap and cover plate constitutes bypass valve.Left end cap 15 forms oil groove 14 with the space of an end of eccentric main axis 6 band oil ducts, and the neutral position, left side of left end cap 15 is welded with the fuel sucking pipe 13 that is communicated with oil groove 14, and fuel sucking pipe 13 stretches in the lubricating oil bath in the casing, and eccentric oil duct 10 is communicated with oil groove 14.
During assembling, place gasket seal between suction port 26 welding sucking pipes, 2 backs on the right end cap 8 and the cylinder 17, cooperate with cylinder 17, sucking pipe 2 is passed casing 3 and casing 3 welding through the screw 7 in the screw hole 19.
It is sleeved 9 that eccentric main axis 6 eccentric part are overlapped, and will not have long end of oil duct to insert in right end cap 8 and the cylinder 17, in vane slot 18, is pressed into slide plate and holds out against spring and slide plate 1, slide plate 1 is positioned at the outside of eccentric rotor.
At the neutral position of left end cap 15 welding fuel sucking pipe 13.Above-mentioned integral body is pressed into the right side half housing of casing 3; The long end of eccentric main axis 6 cooperates with rotor 5, and rotor 5 is worked good with motor stator 4, with a left side half housing and the welding of right half housing; The bottom of casing 3 is installed and is looked oily mirror, injects from oil hole and calculates good lubricants capacity.With the connection box for motor location, take over and outlet pipe 29 compressor complete machine assembled in casing 3 external welding technologies.Because outlet pipe 29 directly is not connected with exhaust hole 25; Shell-side is the buffer space of high pressure refrigeration working medium; Under the effect of shell-side high-pressure working medium pressure, the lubricant oil in the casing 3 bottom lubricating oil baths is pressed into fuel sucking pipe 13, and gets into oil groove 14; During eccentric main axis 6 high speed rotating; Be positioned at the eccentric oil duct that the lubricant oil of oil groove 14 is offered along eccentric main axis 6 axial directions under action of centrifugal force, the flow direction needs lubricated surface, the matching gap between obturator, reduces and leaks and frictional loss.
Gas refrigeration working medium by the next low-temp low-pressure of vaporizer is got in the aspirated volume space that is communicated with suction port through the suction port on the right end cap 8 26 by sucking pipe 2; The aspirated volume space turns over suction port; Get into compression process; The outlet valve 20 of high temperature and high pressure gas refrigeration working medium after compression on cover plate 11 discharged and got into exhaust cavity 16, and through the cavity of exhaust cavity 16 backs by exhaust hole 25 entering casings 3, compressor is discharged by outlet pipe 29 in the back.
As shown in Figure 2, eccentric main axis 6 is done and is turned clockwise, and little space, the right side of crescent-shaped space is air-breathing, the little space compression in left side; Eccentric main axis 6 continues rotation, and little space, right side is continued air-breathing, and the gas in the little space, left side is compressed to pressure is enough to back down corresponding outlet valve 20; Gas is discharged, and the little spatial volume in right side reaches maximum inhale and finishes, and eccentric main axis 6 drives the eccentric rotor rotation; Turn over suction port 26, get into compression process, so go round and begin again.
Get into volume space as liquid together in company with gas, the pressure in the volume space sharply raises, because of eccentric main axis 6 rotation elder generation process by-pass ports 21; The high pressure refrigeration working medium overcomes the resistance that the bypass valve block holds out against spring 24; Back down bypass valve block 28, the high pressure refrigeration working medium is through by-pass port 21, entering exhaust cavity 16, the space that gets in the casings 3 through exhaust hole 25 again; Pressure in volume space reduces; Hold out against at the bypass valve block under the promotion of spring 24, bypass valve block 28 falls back on the by-pass port 21, and bypass valve cuts out.
Rolling rotor refrigeration compressor with anti-liquid hammer function of the present invention; Utilize the by-pass port of offering high-pressure working medium on the rolling rotor refrigeration compressor end cap; Anti-liquid hammer bypass valve is set, prevents the generation of liquid hammer accident, guarantee the reliability of refrigeration compressor and the ride quality of refrigeration system; Reduce cost energy saving.And component structural is simple, and processing and assembling is convenient, and control flexibly, and is safe and reliable.
Although relate to a kind of rolling rotor refrigeration compressor and carried out special description disclosed with anti-liquid hammer function with reference to embodiment; The embodiment who more than describes is illustrative rather than restrictive; Under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within scope of the present invention.
Claims (2)
1. rolling rotor refrigeration compressor with anti-liquid hammer function; It is characterized in that, comprise slide plate, sucking pipe, casing, motor stator, rotor, eccentric main axis, right end cap, sleeve, eccentric oil duct, cover plate, fuel sucking pipe, oil groove, left end cap, exhaust cavity, cylinder; Cylinder is fixedly connected with casing; Eccentric main axis is provided with eccentric oil duct, and said right end cap is sleeved on the outside gasket seal that also passes through of eccentric main axis and is fixedly connected with cylinder with screw, and said cover plate is sleeved on the eccentric main axis outside; And be fixedly connected with cylinder with left end cap respectively with screw through sealing gasket; Eccentric main axis cooperates with rotor, and rotor cooperates with motor stator, and outlet pipe and sucking pipe are installed on the casing; Said eccentric main axis eccentric part outer cover is equipped with sleeve; The outer surface and the cylinder surfaces of sleeve are tangent; The eccentric part of eccentric main axis and sleeve are formed the eccentric rotor that in cylinder, rolls, and form meniscate space between the internal surface of eccentric rotor outer surface and cylinder and right end cap and the cover plate, and said cylinder is provided with vane slot; Slide plate is installed in the said vane slot holds out against spring and slide plate, the outer surface of slide plate and eccentric rotor is tangent and crescent-shaped space is separated into two-part; Counter clockwise direction one side of slide plate has the suction port that is communicated with sucking pipe in the corresponding cylinder of said right end cap; Be arranged in clockwise direction one side of cylinder slide plate and the position of said suction port symmetry on the said cover plate and be provided with exhaust port; On the said exhaust port outlet valve is installed; The other cover plate of said outlet valve is provided with by-pass port; Distance between said exhaust port and the slide plate earlier through by-pass port, is offered exhaust cavity between said left end cap and the cover plate less than the distance between by-pass port and the slide plate in the main axis rotation process; The air outlet of said by-pass port and outlet valve is communicated with exhaust cavity respectively; The position of corresponding cover plate upper air-vent offers the exhaust hole that is communicated with exhaust cavity on the left end cap, on the said left end cap on the corresponding cover plate position of by-pass port be provided with spring groove, be placed with the bypass valve block that circular bypass valve block is held out against on by-pass port in the spring groove and hold out against spring; The space of one end of left end cap and eccentric main axis band oil duct forms oil groove, is welded with the fuel sucking pipe that is communicated with oil groove on the left end cap, and fuel sucking pipe stretches in the lubricating oil bath in the casing, and eccentric oil duct is communicated with oil groove.
2. the rolling rotor refrigeration compressor with anti-liquid hammer function according to claim 1 is characterized in that, the bottom of casing is installed and looked oily mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105947599A CN102062094B (en) | 2010-12-20 | 2010-12-20 | Rolling rotor refrigeration compressor with function of preventing liquid impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105947599A CN102062094B (en) | 2010-12-20 | 2010-12-20 | Rolling rotor refrigeration compressor with function of preventing liquid impact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102062094A CN102062094A (en) | 2011-05-18 |
| CN102062094B true CN102062094B (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105947599A Expired - Fee Related CN102062094B (en) | 2010-12-20 | 2010-12-20 | Rolling rotor refrigeration compressor with function of preventing liquid impact |
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| Country | Link |
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| CN (1) | CN102062094B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013176143A1 (en) * | 2012-05-21 | 2013-11-28 | ナブテスコオートモーティブ株式会社 | Vacuum pump |
| CN104728088B (en) * | 2015-02-04 | 2017-02-22 | 苏州天荣能源环境科技有限公司 | Piston compressor with liquid impact preventing function |
| CN105179240A (en) * | 2015-09-29 | 2015-12-23 | 天津商业大学 | Opening type oval rotor rotation compressor |
| CN105114318A (en) * | 2015-09-29 | 2015-12-02 | 天津商业大学 | Two-stage compression totally-closed rotary compressor with oval rotors |
| CN105179251A (en) * | 2015-09-29 | 2015-12-23 | 天津商业大学 | Vertical fully-closed two-stage revolving compressor with oval rotors |
| CN105179241A (en) * | 2015-09-29 | 2015-12-23 | 天津商业大学 | Horizontal fully-closed revolving compressor with oval rotor |
| CN105545753A (en) * | 2016-02-19 | 2016-05-04 | 珠海凌达压缩机有限公司 | Pump body assembly and compressor comprising same |
| CN106089655B (en) * | 2016-08-10 | 2018-07-17 | 珠海凌达压缩机有限公司 | Horizontal double-cylinder compressor and air conditioner adopting same |
| KR102338127B1 (en) * | 2017-04-18 | 2021-12-10 | 엘지전자 주식회사 | Rotary compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322424A (en) * | 1991-11-12 | 1994-06-21 | Matsushita Electric Industrial Co., Ltd. | Two stage gas compressor |
| CN1532406A (en) * | 2003-03-25 | 2004-09-29 | 乐金电子(天津)电器有限公司 | Horizontal compressor |
| CN2898372Y (en) * | 2005-12-29 | 2007-05-09 | 西安庆安制冷设备股份有限公司 | Rotor compressor |
| CN101614206A (en) * | 2009-07-15 | 2009-12-30 | 大连三洋压缩机有限公司 | A kind of scroll compressor and design method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4753731B2 (en) * | 2006-01-31 | 2011-08-24 | 東芝キヤリア株式会社 | Rotary compressor and refrigeration cycle apparatus using the same |
-
2010
- 2010-12-20 CN CN2010105947599A patent/CN102062094B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322424A (en) * | 1991-11-12 | 1994-06-21 | Matsushita Electric Industrial Co., Ltd. | Two stage gas compressor |
| CN1532406A (en) * | 2003-03-25 | 2004-09-29 | 乐金电子(天津)电器有限公司 | Horizontal compressor |
| CN2898372Y (en) * | 2005-12-29 | 2007-05-09 | 西安庆安制冷设备股份有限公司 | Rotor compressor |
| CN101614206A (en) * | 2009-07-15 | 2009-12-30 | 大连三洋压缩机有限公司 | A kind of scroll compressor and design method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-205203A 2007.08.16 |
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| CN102062094A (en) | 2011-05-18 |
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