WO2022041564A1 - 涡旋压缩机 - Google Patents
涡旋压缩机 Download PDFInfo
- Publication number
- WO2022041564A1 WO2022041564A1 PCT/CN2020/134989 CN2020134989W WO2022041564A1 WO 2022041564 A1 WO2022041564 A1 WO 2022041564A1 CN 2020134989 W CN2020134989 W CN 2020134989W WO 2022041564 A1 WO2022041564 A1 WO 2022041564A1
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- WIPO (PCT)
- Prior art keywords
- scroll
- hole
- plate
- discharge space
- discharge
- Prior art date
- 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.)
- Ceased
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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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/102—Disc valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/102—Disc valves
- F04B53/103—Flat-annular type disc valves
-
- 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
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
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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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
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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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
- F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
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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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
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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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
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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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/105—Three-way check or safety valves with two or more closure members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/021—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open
- F16K15/023—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/1401—Check valves with flexible valve members having a plurality of independent valve members
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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
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/806—Pipes for fluids; Fittings therefor
Definitions
- the present application relates to the field of compressors, in particular to a scroll compressor.
- the static scroll of the scroll compressor is provided with a check valve to avoid the backflow of the discharged refrigerant and the wear and abnormal sound caused by the high-speed rotation of the scroll.
- the present application aims to solve at least one of the technical problems existing in the prior art.
- some embodiments of the present application provide a scroll compressor.
- the present application proposes a scroll compressor, comprising: a casing; The plate is provided with a first through hole to connect the suction space and the discharge space; the frame is located inside the casing and located in the suction space, and the frame and the isolation plate are arranged at intervals; the movable scroll is movably arranged on the frame; The stationary scroll is arranged on the frame and is matched with the movable scroll.
- the stationary scroll is provided with a second through hole, and the second through hole is communicated with the discharge space; the pressure relief low-return structure is arranged on the stationary scroll, The pressure relief low-back structure is configured to be able to communicate with the second through hole and the discharge space.
- the isolation plate divides the casing into a suction space and a discharge space, and a first through hole is arranged on the isolation plate to communicate the suction space and the discharge space, and the movable scroll and the static Under the compression operation of the scroll, the refrigerant in the suction space is compressed and discharged into the discharge space.
- the fixed scroll is further provided with a pressure relief low return structure, and the pressure relief low return structure can communicate with the second through hole and the discharge space. That is, after the scroll compressor is stopped, after the second through hole discharges the refrigerant to the discharge space, since the refrigerant in the discharge space is the compressed refrigerant, the pressure in the discharge space is usually higher than that of the movable scroll and the stationary scroll.
- the residual refrigerant of the pressure between the discs, and then the pressure in the discharge space can be returned between the movable scroll and the fixed scroll through the second through hole under the action of pressure, or even if the pressure in the discharge space
- the residual refrigerant that is less than the pressure between the movable scroll and the stationary scroll can also enter the discharge space through the second through hole under the action of the pressure, thereby making the movable scroll and the stationary scroll.
- the scroll rotates at a low speed to avoid wear and abnormal sound caused by the high-speed rotation of the movable scroll, and balances the pressure difference between the movable scroll and the fixed scroll and between the discharge space, that is, the discharge space and the suction space. Therefore, when the scroll compressor is started here, the resistance of refrigerant discharge is reduced, and the start-up performance of the scroll compressor is improved.
- scroll compressor proposed according to the present application may also have the following additional technical features:
- the pressure relief low-return structure includes: a first slideway, which is arranged on the stationary scroll and located between the stationary scroll and the isolation plate; the pressure relief low-return plate is slidably arranged on the first slide. In a slideway, and can be in contact with the stationary scroll, when the pressure relief low return plate is in contact with the stationary scroll, the passing area between the discharge space and the second through hole is reduced.
- the pressure relief low return structure includes a first slideway and a pressure relief low return plate.
- the pressure relief low-return plate can slide in the first slideway and counteract the stationary scroll, wherein when the pressure relief low-return plate is in contact with the stationary scroll, the passing area between the discharge space and the second through hole is reduced, Therefore, the amount of refrigerant discharged from the discharge space to the second through hole is limited, thereby ensuring the low-speed rotation effect of the movable scroll, reducing abnormal noise and wear, and ensuring that the compressor is in normal operation. normal operation of the machine.
- the pressure relief low return plate does not receive force. offset by the stationary scroll. At this time, a large passing area is maintained between the discharge space and the second through hole, thereby facilitating the discharge of the compressed refrigerant.
- the pressure in the discharge space will be higher than the pressure between the orbiting scroll and the fixed scroll due to the decrease in the pressure between the orbiting scroll and the fixed scroll.
- pressure which in turn presses the pressure relief low return plate against the stationary scroll.
- a small passing area is maintained between the discharge space and the second through hole, and only a small part of the refrigerant in the discharge space will flow back between the movable scroll and the stationary scroll, thereby ensuring that the movable scroll and the stationary scroll
- the amount of refrigerant suction between the scrolls to ensure the normal operation of the scroll compressor.
- the pressure relief low return plate is provided with a third through hole and a fourth through hole, and when the pressure relief low return plate is in contact with the stationary scroll, the stationary scroll blocks the third through hole. a through hole, and the fourth through hole communicates with the second through hole and the discharge space.
- the pressure relief low return plate is provided with a third through hole and a fourth through hole.
- the stationary scroll blocks the third through hole, thereby realizing In order to control the change of the passing area, the structure is simple and the effect is stable.
- the number of the third through holes and/or the fourth through holes is multiple, and the multiple third through holes are located on the peripheral side of the fourth through holes.
- the third through hole is located on the peripheral side of the fourth through hole, and the second through hole is used as the discharge channel of the refrigerant. Part of the third through hole will be blocked, thereby reducing the passing area between the second through hole and the discharge space.
- the provision of the third passage can ensure that the second through hole has a sufficient passage area when discharging the refrigerant to the discharge space, so as to facilitate the discharge of the refrigerant, so that when the refrigerant in the discharge space returns, it has a small enough passage area to reduce the impact on the discharge space.
- the influence of the refrigerant sucked by the movable scroll and the stationary scroll ensures the normal operation of the scroll compressor.
- the end of the first slideway facing away from the fixed scroll is provided with a first limit portion, the first limit portion can be in contact with the pressure relief low return plate, and the first limit portion is connected to the first limit portion.
- the third through hole and the fourth through hole communicate with the second through hole and the discharge space.
- the end of the first slideway away from the fixed scroll is provided with a first limiting portion, which further limits the pressure relief low return plate when the movable scroll and the fixed scroll discharge refrigerant.
- the third through hole and the fourth through hole communicate with the second through hole and the discharge space at the same time, thereby ensuring that the movable scroll and the fixed scroll discharge refrigerant when the refrigerant is discharged. , there is a larger passing area between the second through hole and the discharge space.
- it further includes: a back pressure plate, which is arranged on the stationary scroll, and the first slideway is arranged on the back pressure plate; a floating plate, which is movably connected to the back pressure plate, and the stationary scroll and the back pressure plate.
- a chamber is formed with the floating plate, the fixed scroll is provided with a fifth through hole, and the opening of the fifth through hole is located in the chamber.
- the scroll compressor is also provided with a back pressure plate and a floating plate, the fixed scroll, the back pressure plate and the floating plate form a chamber, and the chamber communicates with the movable scroll and the fixed scroll through the fifth through hole between the intermediate pressure chambers.
- the orbiting scroll and the fixed scroll compress the refrigerant
- the refrigerant will pressurize the chamber to make the floating plate move, and the floating plate is restricted by the isolation plate, thereby forcing the fixed scroll to press the orbiting scroll, Therefore, the sealing between the movable scroll and the fixed scroll is increased, the compression effect of the movable scroll and the stationary scroll on the refrigerant is improved, and the efficiency of the scroll compressor is improved.
- it further includes: a discharge pipe, which is connected to the casing, and communicates with the discharge space; and a non-return module, which is arranged on the discharge pipe.
- the scroll compressor further includes a discharge pipe that communicates with the discharge space, and after the orbiting scroll and the fixed scroll discharge the refrigerant to the discharge space, the refrigerant in the discharge space is discharged from the discharge pipe.
- a non-return module is installed in the discharge pipe, so that the refrigerant in the discharge space is discharged through the discharge pipe to avoid the backflow of the refrigerant, and when the scroll compressor is stopped, the discharge space is not communicated with the downstream equipment, thereby ensuring the discharge space.
- the amount of refrigerant inside is fixed, thereby improving the balance effect of the discharge space and the pressure difference between the movable scroll and the fixed scroll.
- the non-return module includes: a second slideway, located on the discharge pipe; a first non-return plate, fixed on one end of the second slideway; a second limit part, set on the first The other end of the two slideways; the second check plate, which is slidably arranged in the second slideway, and the first check plate and the second check plate are configured to be able to open or block the discharge pipe.
- the check module includes a second slideway, a first check plate, and a second check plate.
- the first check plate is fixed on one end of the second slideway, and the other end of the second slideway is provided with a second limit portion, and the second check plate can be located between the first check plate and the second limit portion. move between.
- the second non-return plate when the discharge space discharges refrigerant to the discharge pipe, the second non-return plate is forced against the second limiting portion. At this time, the discharge space communicates with the discharge pipe, which is convenient for the discharge space to discharge the refrigerant to the discharge pipe. After the discharge space completes the discharge of the refrigerant or when the scroll compressor is stopped, the second check plate can be pressed against the first check plate by the force outside the discharge pipe. At this time, the space between the discharge space and the discharge pipe is blocked. , to avoid the refrigerant backflow of the downstream equipment, to maintain the relative independence of the discharge space, and to balance the pressure difference between the discharge space and the movable scroll and the stationary scroll, that is, to balance the pressure difference between the discharge space and the suction space.
- the first non-return plate is provided with a sixth through hole
- the second non-return plate is provided with a seventh through hole, when the first non-return plate and the second non-return plate are sealed
- the first non-return plate blocks the seventh through hole
- the second non-return plate blocks the sixth through hole
- the first non-return plate is provided with a sixth through hole
- the second non-return plate is provided with a seventh through hole.
- the discharge pipe includes: a first pipe, arranged in the casing, the first non-return plate is fixed to the first pipe; a second pipe, a part of the second pipe is arranged in the first pipe, the first pipe is The two limiting parts are arranged on the second pipe, and the second non-return plate is located between the first non-return plate and the second pipe.
- the discharge pipe forms a structure of a sleeve, and the first pipe is sleeved on the outside of part of the second pipe, thereby facilitating the installation and maintenance of the non-return module.
- FIG. 1 is a schematic structural diagram of a scroll compressor provided by an embodiment of the present application.
- Fig. 2 is a partial enlarged view of the place A in the scroll compressor shown in Fig. 1;
- FIG. 3 is a schematic structural diagram of a stationary scroll, a back pressure plate, and a pressure relief low-return structure in a scroll compressor provided by an embodiment of the present application;
- FIG. 4 is a schematic structural diagram of some components in a scroll compressor provided by an embodiment of the present application.
- FIG. 5 is a schematic structural diagram of a pressure relief low return plate in a scroll compressor provided by an embodiment of the present application
- FIG. 6 is a schematic structural diagram of a non-return module in a scroll compressor provided in an embodiment of the present application in one state;
- FIG. 7 is a schematic structural diagram of a non-return module in a scroll compressor provided by an embodiment of the present application in another state.
- 100 scroll compressor 110 casing, 120 isolation plate, 122 first through hole, 130 frame, 132 first frame, 134 second frame, 142 orbiting scroll, 144 stationary scroll, 1442 first Second through hole, 1444 fifth through hole, 150 pressure relief low return structure, 152 first slideway, 154 pressure relief low return plate, 1542 third through hole, 1544 fourth through hole, 156 first limit part, 160 back pressure plate , 170 floating plate, 180 discharge pipe, 182 first pipe, 184 second pipe, 190 check module, 192 second slideway, 194 first check plate, 1942 sixth through hole, 196 second limit part, 198 second check plate, 1982 seventh through hole, 210 suction space, 220 discharge space, 230 motor structure, 232 shaft, 240 suction pipe, 250 suction chamber, 260 intermediate pressure chamber, 270 discharge chamber, 280 chamber.
- the scroll compressor 100 provided according to some embodiments of the present application will be described below with reference to FIGS. 1 to 7 .
- an embodiment of the present application provides a scroll compressor 100 , and the scroll compressor 100 includes: a casing 110 , an isolation plate 120 , a frame 130 , Orbiting scroll 142 and fixed scroll 144 .
- the casing 110 defines the internal space of the scroll compressor 100, and a partition plate 120 is arranged inside the casing 110, and the partition plate 120 is used to divide the internal space of the scroll compressor 100 into a suction space 210 and a discharge space 220.
- the suction space 210 is used for accommodating uncompressed refrigerant
- the discharge space 220 is used for accommodating compressed refrigerant.
- the movable scroll 142 and the fixed scroll 144 are cooperatively disposed in the suction space 210 .
- the orbiting scroll 142 and the fixed scroll 144 may cooperate and form: a suction chamber 250 , an intermediate pressure chamber 260 and a discharge chamber 270 .
- the movable scroll 142 is dynamic, and the fixed scroll 144 is static.
- the refrigerant is sucked through the suction chamber 250, and then the refrigerant is compressed through the intermediate pressure chamber 260, and finally The compressed refrigerant is discharged into the discharge chamber 270 to discharge the refrigerant, thereby completing a compression operation.
- the partition plate 120 is provided with a first through hole 122, which communicates with the suction space 210 and the discharge space 220, and a second through hole 1442 is provided on the fixed scroll 144, and the second through hole 1442 communicates with the discharge chamber 270, and then passes through the movable scroll.
- the refrigerant compressed by the disk 142 and the fixed scroll 144 can be discharged to the first through hole 122 through the second through hole 1442, and then discharged to the discharge space through the first through hole 122, thereby completing the discharge of the refrigerant.
- a pressure relief low return structure 150 is further provided between the second through hole 1442 of the fixed scroll 144 and the first through hole 122 of the isolation plate 120 , and the pressure relief low return structure 150 is always The second through hole 1442 and the discharge space 220 are communicated.
- the pressure in the discharge space 220 will be higher than the pressure between the movable scroll 142 and the fixed scroll 144, and the refrigerant in the discharge space 220 will flow back to the movable scroll 142 through the pressure relief low-return structure 150 and the fixed scroll 144, specifically the discharge chamber 270, and then backflow from the discharge chamber 270 to the suction space 210, so that the movable scroll 142 rotates at a low speed, so as to avoid the wear and abnormal sound caused by the high-speed rotation of the movable scroll 142,
- the pressure difference between the discharge space 220 and the movable scroll 142 and the fixed scroll 144 specifically, the pressure difference between the discharge space 220 and the suction space 210 is balanced.
- the pressure relief low-return structure 150 further includes: a first slideway 152 and a pressure-relief low-return plate 154 that can slide in the first slideway 152 .
- the pressure relief low return plate 154 is pushed away from the fixed scroll 144 by the thrust of the refrigerant. At this time, a large passing area is maintained between the second through hole 1442 and the third through hole 1542 , so that the refrigerant can quickly enter the discharge space 220 from the second through hole 1442 through the third through hole 1542 .
- the pressure in the discharge space 220 is greater than the pressure between the movable scroll 142 and the fixed scroll 144, specifically, the pressure in the discharge space 220 The pressure is greater than the pressure in the discharge chamber 270 .
- the pressure relief low return plate 154 is forced against the stationary scroll 144, thereby reducing the passing area between the second through hole 1442 and the second through hole 1442, that is, reducing the discharge space 220 and the second through hole
- the amount of refrigerant between 1442 that can pass through thereby ensuring the low-speed rotation effect of the orbiting scroll 142, reducing abnormal noise and wear, and preventing a large amount of refrigerant in the discharge space 220 from flowing back and affecting the orbiting scroll 142 and the fixed scroll.
- the effect of inhaling the refrigerant in 144 and the abnormal noise and wear caused by the high-speed rotation of the movable scroll 142 thereby ensuring the normal operation of the scroll compressor 100.
- the scroll compressor 100 when the scroll compressor 100 is started, the resistance to the discharge of refrigerant from the movable scroll 142 and the fixed scroll 144 is reduced, so that when the scroll compressor 100 is running, the movable scroll The orbiting plate 142 and the fixed scroll plate 144 can smoothly inhale the refrigerant, which ensures the normal operation of the scroll compressor 100 and avoids abnormal noise and wear caused by the high-speed rotation of the orbiting scroll plate 142 .
- the shape of the pressure relief low return plate 154 can be arbitrarily set according to the actual situation, for example, a circle, an ellipse, a polygon, and the like.
- Embodiment 1 As shown in FIG. 5 , on the basis of Embodiment 1 or Embodiment 2, further, there are multiple channels on the pressure relief low return plate 154 . When the pressure relief low return plate 154 abuts against the stationary scroll 144, part of the passage may be blocked.
- holes are formed on the pressure relief low return plate 154, the holes include a third through hole 1542 and a fourth through hole 1544.
- the stationary scroll 144 can be blocked In the third through hole 1542 , only the fourth through hole communicates with the second through hole 1442 and the third through hole 1542 .
- the cross-sectional area of the pressure relief low return plate 154 is larger than the cross-sectional area of the second through hole 1442 . That is, the pressure relief low return plate 154 can be placed on the edge of the second through hole 1442 , and the third through hole 1542 is disposed at a position blocked by the edge of the second through hole 1442 .
- both the third through hole 1542 and the fourth through hole 1544 serve as the circulation channel of the refrigerant, so as to provide a larger passage area for the refrigerant, thereby facilitating the rapid discharge of the refrigerant from the movable scroll 142 and the fixed scroll 144 .
- the pressure relief low return plate 154 receives the pressure from the discharge space 220 and is pushed to the fixed scroll 144 and counteracts the fixed scroll 144 .
- the third through hole 1542 is blocked by the fixed scroll 144 at the edge of the second through hole 1442, leaving only the fourth through hole 1544 as a refrigerant circulation channel, so as to provide one or more refrigerants for the backflow.
- the smaller passing area prevents a large amount of refrigerant from flowing back from the discharge space 220 to between the movable scroll 142 and the stationary scroll 144, thereby ensuring the amount of refrigerant sucked into the movable scroll 142 and the stationary scroll 144. , to avoid abnormal noise and wear caused by the high-speed rotation of the movable scroll 142 , thereby improving the start-up performance of the scroll compressor 100 and ensuring the normal operation of the scroll compressor 100 .
- the fourth through hole 1544 on the pressure relief low return plate 154 can be arranged in the middle position of the pressure relief low return plate 154 , and the third through hole 1542 can be arranged around the The peripheral side of the fourth through hole 1544 .
- the number of the third through holes 1542 and the fourth through holes 1544 may be one or more.
- Disposing the third through hole 1542 on the peripheral side of the fourth through hole 1544 is more convenient for the fixed scroll 144 to block the third through hole 1542 .
- the specific number of the third through holes 1542 can be set according to the displacement of the scroll compressor 100, for example, two, three, four, five, six, etc.
- the shape of the third through hole 1542 can also be arbitrarily set according to the actual situation, for example, a circle, an ellipse, a square, a polygon, a waist circle, and the like.
- the specific number of the fourth through holes 1544 can be arbitrarily set according to the actual situation, for example, one, two, three and so on.
- the shape of the fourth through hole 1544 can also be arbitrarily set according to the actual situation, for example, a circle, an ellipse, a square, a polygon, a waist circle, and the like.
- a plurality of third through holes 1542 may be disposed around a fourth through hole 1544
- a plurality of third through holes may be disposed around a plurality of fourth through holes 1544
- a third through hole 1542 may be disposed On the peripheral side of the plurality of fourth through holes 1544
- one third through hole 1542 may also be disposed on the peripheral side of one fourth through hole 1544 .
- the fourth through holes 1544 are arranged concentrically with the pressure relief low return plate 154 , and four third through holes 1542 are arranged on the peripheral side of the fourth passage.
- the contour of the third through hole 1542 is a multi-segment curve, specifically, four-segment curves, the first-segment curve is opposite to the third-segment curve, and the second-segment curve is opposite to the fourth-segment curve.
- the first curve is facing the fourth through hole 1544, then the first curve and the third end curve are concentric with the outer circumference of the pressure relief low return plate 154, and the second curve and the fourth curve are the first curve and the third end
- the arc of the difference between the radius of the curve and the diameter, the concave surfaces of the second curve and the fourth curve are opposite.
- the area of the third through hole 1542 is increased, the through hole area of the movable scroll 142 and the fixed scroll 144 when the refrigerant is discharged is increased, and the discharge space 220 is reduced to the space between the movable scroll 142 and the fixed scroll 144.
- the passage area of the reflux refrigerant improves the start-up performance of the scroll compressor 100 and avoids abnormal noise and wear caused by the high-speed rotation of the movable scroll 142 , and at the same time ensures the normal operation of the scroll compressor 100 .
- the pressure relief low return plate 154 further includes a first limiting portion 156 , and the first limiting portion 156 is disposed at The first slideway 152 is located at one end of the first slideway 152 away from the fixed scroll 144 .
- the pressure relief low return plate 154 and the first limiting portion 156 are offset, thereby limiting a stroke for the pressure relief low return plate 154, thereby ensuring low pressure relief.
- the return plate 154 can quickly act accordingly to reduce the delay of the pressure relief low return plate 154 during state switching, improve the check effect of the pressure relief low return plate 154 , and ensure the normal operation of the scroll compressor 100 .
- the first limiting portion 156 is in contact with the outer peripheral side of the third through hole 1542 on the pressure relief low return plate 154, thereby ensuring that the first limiting portion 156 will not block the third through hole 1542, thereby ensuring that the movable scroll When the disk 142 and then the fixed scroll 144 discharges the refrigerant, the pressure is released to reduce the passing area of the return plate 154 .
- the scroll compressor 100 further includes: a back pressure plate 160 and a back pressure plate 160 .
- Float 170 The stationary scroll 144 , the back pressure plate 160 and the floating plate 170 form a chamber 280 , and the chamber 280 communicates with the intermediate pressure chamber 260 through the fifth through hole 1444 provided on the stationary scroll 144 .
- the refrigerant in the intermediate pressure chamber 260 is under pressure, and is introduced into the chamber 280 through the fifth through hole 1444, thereby causing the floating plate 170 to float upward.
- the isolation plate 120 restricts the movement of the floating plate 170, so that the pressure in the chamber 280 will act on the stationary scroll 144, thereby pressing the stationary scroll 144 toward the movable scroll 142, thereby ensuring
- the tight connection between the movable scroll 142 and the fixed scroll 144 ensures the independence of the suction chamber 250 , the intermediate pressure chamber 260 and the discharge chamber 270 , thereby improving the compression effect and compression efficiency of the scroll compressor 100 .
- the first slideway 152 is disposed on the back pressure plate 160 on the middle channel of the back pressure plate 160 .
- a groove is provided at the end of the fixed scroll 144 away from the movable scroll 142, and a back pressure plate 160 is provided in the groove, and the back There is a gap between the pressing plate 160 and the side wall of the groove, and a floating plate 170 is covered on the gap.
- a groove is provided at the end of the fixed scroll 144 away from the movable scroll 142, the inner side wall of the groove is the first wall, the back pressure plate 160 is arranged in the groove, and the outer side wall of the back pressure plate 160 is The second wall, the first wall and the second wall are opposite to each other and have a gap, and the two sides of the floating plate 170 are movably connected to the first wall and the second wall respectively, and then the fixed scroll 144 , the back pressure plate 160 and the floating plate 170 Under the enclosure, a chamber 280 is formed.
- the back pressure plate 160 is disposed in the groove of the fixed scroll 144, the outer wall of the entire fixed scroll 144 is integrated, thereby enhancing the airtightness between the discharge chamber 270 and the suction chamber 250, and further Improved compression efficiency.
- first sealing member is provided between the floating plate 170 and the fixed scroll 144
- second sealing member is provided between the floating plate 170 and the back pressure plate 160 .
- back pressure plate 160 is attached to the fixed scroll 144 with screws, and a third seal is provided between the fixed scroll 144 and the back pressure plate 160 .
- the scroll compressor 100 further includes: a discharge pipe 180 and a discharge pipe Check module 190 of 180 .
- the non-return module 190 is disposed in the discharge pipe 180.
- the non-return module 190 communicates and opens the discharge pipe 180, so that the refrigerant can smoothly enter the downstream equipment through the discharge pipe 180.
- the pressure in the downstream equipment will be greater than the pressure in the discharge space 220 due to the decrease in pressure in the discharge space 220.
- the non-return module 190 blocks the discharge Pipe 180 to avoid refrigerant backflow from downstream equipment.
- the pressure in the discharge space 220 is reduced, and the check module 190 is subjected to the pressure in the downstream equipment at this time.
- the discharge pipe 180 will be blocked, thereby ensuring that the pressure in the discharge space 220 will not increase, which is more conducive to the balance between the pressure in the discharge space 220 and the pressure in the suction space 210, and avoids the high-speed rotation of the movable scroll 142.
- the resulting abnormal sound and wear further improve the start-up performance of the scroll compressor 100 .
- the non-return module 190 further includes: a second slideway 192 , a first non-return plate 194 , a second limit portion 196 and a second non-return board 198.
- a second slideway 192 is provided in the discharge pipe 180 , the first check plate 194 is fixed in the second slideway 192 , located at the end of the second slideway 192 facing the discharge space 220 , and at the end of the second slideway 192 .
- the other section is provided with a second limiting portion 196 .
- the second check plate 198 can slide in the second slideway 192 between the first check plate 194 and the second limiting portion 196 .
- the refrigerant when the orbiting scroll 142 and the stationary scroll 144 discharge the refrigerant, the refrigerant enters the discharge space 220 through the pressure relief low-return structure 150 , and enters the discharge pipe 180 from the discharge space 220 through the check module 190 , so as to discharge the refrigerant to the downstream equipment.
- the pressure relief low return plate 154 abuts against the first limiting portion 156
- the third through hole 1542 and the fourth through hole 1544 pass the refrigerant at the same time
- the second non-return plate 198 abuts against the second limiting portion 196 .
- the refrigerant can be discharged from the non-return module 190 through the discharge pipe 180 to complete the discharge of the refrigerant.
- the refrigerant in the downstream equipment will discharge the refrigerant to the second
- the check plate 198 is pushed toward the first check plate 194 , so that the second check plate 198 and the first check plate 194 are abutted to block the discharge pipe 180 , so that the pressure in the discharge space 220 can only be lowered by the pressure relief plate 154
- the fourth through hole 1544 on the upper part enters the second through hole 1442 and enters between the movable scroll 142 and the fixed scroll 144 , thereby further improving the start-up performance of the scroll compressor 100 .
- the shape of the first non-return plate 194 can be arbitrarily set according to the actual situation, for example, a circle, an ellipse, a polygon, and the like.
- the shape of the second non-return plate 198 can be arbitrarily set according to the actual situation, for example, a circle, an ellipse, a polygon, and the like.
- a sixth through hole 1942 is opened on the first non-return plate 194
- a seventh through hole 1982 is opened on the second non-return plate 198 .
- the sixth through hole 1942 and the seventh through hole 1982 are staggered, and there is no intersection. Further, the first check plate 194 and the second check plate 198 are abutted against the first check plate 194 and the second check plate 198 to form a closed structure, thereby ensuring that the refrigerant cannot pass through. As shown in FIG. 7 , after the first non-return plate 194 and the second non-return plate 198 are separated, the sixth through hole 1942 and the seventh through hole 1982 can pass the refrigerant.
- the specific number of the sixth through holes 1942 may be set according to the displacement of the scroll compressor 100 , for example, two, three, four, five, six, and the like.
- the shape of the seventh through hole 1982 can also be set according to the displacement of the scroll compressor, for example, a circle, an ellipse, a square, a polygon, a waist circle, and the like.
- the specific number of the sixth through holes 1942 can be set according to the displacement of the scroll compressor 100, for example: one, two, three, etc.
- the shape of the seventh through hole 1982 can also be arbitrarily set according to the actual situation, for example, a circle, an ellipse, a square, a polygon, a waist circle, and the like.
- the sixth through hole 1942 may be disposed at a position away from the center of the first non-return plate 194
- the seventh through hole 1982 may be disposed at a position in the center of the second non-return plate 198 .
- a plurality of sixth through holes 1942 surround the outer position of the center point of the first non-return plate 194 and are located on the second non-return plate.
- a seventh through hole 1982 is provided in the middle position of 198 .
- the outline of the sixth through hole 1942 is a multi-segment curve, specifically, a four-segment curve, the first-segment curve is opposite to the third-segment curve, and the second-segment curve and the fourth-segment curve are opposite.
- the first section of the curve faces the fourth through hole 1544, then the first section of the curve and the third end curve are concentric with the outer circumference of the first check plate 194, and the second section of the curve and the fourth section of the curve are the first section of the curve and the third section of the curve.
- the arc of the end curve radius difference diameter, the concave surface of the second curve and the fourth curve are opposite.
- the refrigerant when the movable scroll 142 and the fixed scroll 144 discharge the refrigerant, the refrigerant enters the discharge space 220 through the pressure relief low-return structure 150, and enters the discharge pipe 180 from the discharge space 220 through the non-return module 190, thereby discharging the refrigerant to the downstream. equipment.
- the pressure relief low return plate 154 abuts against the first limiting portion 156
- the third through hole 1542 and the fourth through hole 1544 pass the refrigerant at the same time
- the second non-return plate 198 abuts against the second limiting portion 196 .
- the refrigerant can be discharged through the discharge pipe 180 through the sixth through hole 1942 on the first check plate 194 and the seventh through hole 1982 on the second check plate 198 to complete the discharge of the refrigerant.
- the scroll compressor 100 When the scroll compressor 100 is stopped, or the movable scroll 142 and the fixed scroll 144 discharge the refrigerant, and the discharge space 220 discharges the refrigerant to the discharge pipe 180 , the refrigerant in the downstream equipment will push the second check plate 198 toward the
- the first non-return plate 194 makes the second non-return plate 198 and the first non-return plate 194 abut against each other, and then the sixth through hole 1942 and the seventh through hole 1982 are closed, and then the discharge pipe 180 is blocked, so that the discharge space 220 is
- the pressure can only enter the second through hole 1442 through the fourth through hole 1544 on the pressure relief low return plate 154, and enter between the movable scroll 142 and the fixed scroll 144, further increasing the gap between the discharge space 220 and the suction space 210.
- the effect of the pressure balance between the two can further improve the start-up performance of the scroll compressor 100 .
- the discharge pipe 180 includes a first pipe 182 and a second pipe 184 partially penetrated in the first pipe .
- first pipe 182 is connected with the casing 110
- second pipe 184 is connected with the first pipe 182 .
- the end of the second pipe 184 located inside the first pipe 182 can be used as the second limiting portion 196, thereby saving production difficulty.
- a second slideway 192 is formed on the inside of the first tube 182
- the first check plate 194 is disposed on the side of the first tube 182 away from the second tube 184
- the second check plate 198 is located in the first tube 182 and can be Slide inside the first tube 182 .
- the scroll compressor 100 further includes a motor structure 230 , and the motor structure 230 has a rotating shaft 232 .
- the rotating shaft 232 is connected with the movable scroll 142 to drive the movable scroll 142 to move.
- the frame 130 includes a first frame 132 and a second frame 134 , the movable scroll 142 and the fixed scroll 144 are arranged on the first frame 132 , and the motor structure 230 is arranged at the second frame 134 .
- the rotation of the rotating shaft 232 in the motor structure 230 drives the movable scroll 142 to move around the rotating shaft 232 , thereby realizing the compression operation of the scroll compressor 100 .
- the scroll compressor 100 further includes a suction pipe 240 that communicates with the suction space 210 .
- the suction pipe 240 is connected to the above equipment, thereby realizing the suction of the refrigerant into the compressor.
- the present application provides a scroll compressor 100 , which includes a casing 110 , a first frame 132 and a second frame 134 , a motor structure 230 is arranged in the casing 110 , and The movable scroll 142 and the stationary scroll 144 are arranged axially above the first frame.
- the isolation plate 120 is divided into a suction space 210 and a discharge space 220 in the interior of the casing 110.
- the scroll 142 runs, and the movable scroll 142 and the stationary scroll 144 form a suction chamber 250, an intermediate pressure chamber 260 and a discharge chamber 270 along the set trajectory, and the stationary scroll 144 is opened with holes to communicate with the intermediate pressure chamber
- the second through hole 1442 is discharged into the discharge space 220 in the scroll compressor 100 and then discharged from the scroll compressor 100 through the discharge pipe 180 .
- the pressure relief low return plate 154 is provided at the discharge port of the fixed scroll 144, which effectively prevents the refrigerant from being discharged from the fixed scroll 144 due to the pressure difference when the scroll compressor 100 is stopped, and then backflowing to the movable scroll 142 and the stationary scroll 142. Between the scrolls 144, the orbiting scroll 142 and the fixed scroll 144 are rapidly reversed, resulting in abnormal noise and wear.
- the pressure relief low return plate 154 also communicates between the discharge space 220 and the fixed scroll 144 and the movable scroll 142 , so as to balance the pressure between the discharge space 220 and the movable scroll 142 and the fixed scroll 144 Therefore, when the scroll compressor 100 starts up again, the discharge pressure resistance of the orbiting scroll 142 and the fixed scroll 144 can be reduced, thereby improving the start-up performance of the scroll compressor 100 .
- the pressure relief low return plate 154 has the advantages of simple structure and low manufacturing cost.
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Abstract
Description
Claims (10)
- 一种涡旋压缩机,其中,包括:机壳;隔离板,设于所述机壳内部,将所述机壳内部分为吸入空间和排放空间,所述隔离板上设有第一通孔,以连通所述吸入空间与所述排放空间;机架,设于所述机壳内部位于所述吸入空间,所述机架和所述隔离板间隔设置;动涡旋盘,可活动地设于所述机架;静涡旋盘,设于所述机架,与所述动涡旋盘相配合,所述静涡旋盘设置有第二通孔,所述第二通孔与所述排放空间相连通;泄压低回结构,设于所述静涡旋盘,所述泄压低回结构被配置为能够连通所述第二通孔和所述排放空间。
- 根据权利要求1所述的涡旋压缩机,其中,所述泄压低回结构包括:第一滑道,设于所述静涡旋盘,位于所述静涡旋盘与所述隔离板之间;泄压低回板,可滑动地设于所述第一滑道内,并可与所述静涡旋盘相抵,在所述泄压低回板与所述静涡旋盘相抵的情况下,减小所述排放空间和所述第二通孔之间的通过面积。
- 根据权利要求2所述的涡旋压缩机,其中,所述泄压低回板设有第三通孔和第四通孔,在所述泄压低回板与所述静涡旋盘相抵的情况下,所述静涡旋盘封堵所述第三通孔,所述第四通孔连通所述第二通孔和所述排放空间。
- 根据权利要求3所述的涡旋压缩机,其中,所述第三通孔和/或所述第四通过的数量为多个,所述第三通孔位于所述第四通孔的周侧。
- 根据权利要求3所述的涡旋压缩机,其中,所述第一滑道背离所述静涡旋盘的一端设有第一限位部,所述第一限位部可与所述泄压低回板相抵,在所述第一限位部与所述泄压低回板相抵的情况下,所述第三通孔和所述第四通孔连通所述第二通孔和所述排放空间。
- 根据权利要求2所述的涡旋压缩机,其中,还包括:背压板,设于所述静涡旋盘,所述第一滑道设于所述背压板;浮板,与所述背压板可活动地连接,所述静涡旋盘、所述背压板与所述浮板形成腔室,所述静涡旋盘设有第五通孔,所述第五通孔的开口位于所述腔室内。
- 根据权利要求1至6中任一项所述的涡旋压缩机,其中,还包括:排出管,与所述机壳相连接,所述排出管与所述排放空间相连通;止回模块,设于所述排出管。
- 根据权利要求7所述的涡旋压缩机,其中,所述止回模块包括:第二滑道,设于所述排出管;第一止回板,固定于所述第二滑道的一端;第二限位部,设于所述第二滑道的另一端;第二止回板,可滑动地设于所述第二滑道内,所述第一止回板和所述第二止回板被配置为能够开启或封堵所述排出管。
- 根据权利要求8所述的涡旋压缩机,其中,所述第一止回板上设有第六通孔,所述第二止回板上设有第七通孔,当所述第一止回板和所述第二止回板封堵所述排出管的情况下,所述第一止回板封堵所述第七通孔,所述第二止回板封堵所述第六通孔。
- 根据权利要求8所述的涡旋压缩机,其中,所述排出管包括:第一管,设于所述机壳,所述第一止回板固定于所述第一管;第二管,部分所述第二管设于所述第一管内,所述第二限位部设于所述第二管,所述第二止回板位于所述第一止回板和所述第二管之间。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20951231.8A EP4184010B1 (en) | 2020-08-31 | 2020-12-09 | Scroll compressor |
| CA3188503A CA3188503A1 (en) | 2020-08-31 | 2020-12-09 | Scroll compressor |
| KR1020237005743A KR102738015B1 (ko) | 2020-08-31 | 2020-12-09 | 스크롤 압축기 |
| US18/114,550 US12085077B2 (en) | 2020-08-31 | 2023-02-27 | Scroll compressor with a pressure relief low-speed rotation structure |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900752.9A CN111878395B (zh) | 2020-08-31 | 2020-08-31 | 涡旋压缩机 |
| CN202010900752.9 | 2020-08-31 | ||
| CN202021863999.XU CN212296866U (zh) | 2020-08-31 | 2020-08-31 | 涡旋压缩机 |
| CN202021863999.X | 2020-08-31 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/114,550 Continuation US12085077B2 (en) | 2020-08-31 | 2023-02-27 | Scroll compressor with a pressure relief low-speed rotation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022041564A1 true WO2022041564A1 (zh) | 2022-03-03 |
Family
ID=80352513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/134989 Ceased WO2022041564A1 (zh) | 2020-08-31 | 2020-12-09 | 涡旋压缩机 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12085077B2 (zh) |
| EP (1) | EP4184010B1 (zh) |
| KR (1) | KR102738015B1 (zh) |
| CA (1) | CA3188503A1 (zh) |
| WO (1) | WO2022041564A1 (zh) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060104452A (ko) * | 2005-03-30 | 2006-10-09 | 엘지전자 주식회사 | 스크롤 압축기의 토출가스 바이패스장치 |
| CN101415947A (zh) * | 2006-04-06 | 2009-04-22 | Lg电子株式会社 | 用于压缩机的回流预防设备 |
| CN104343693A (zh) * | 2013-08-07 | 2015-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | 涡旋压缩机高低压分隔组件及涡旋压缩机 |
| WO2015194000A1 (ja) * | 2014-06-18 | 2015-12-23 | 三菱電機株式会社 | スクロール圧縮機およびその製造方法 |
| CN105952638A (zh) * | 2016-06-21 | 2016-09-21 | 广东美的暖通设备有限公司 | 涡旋压缩机和空调器 |
| CN208281168U (zh) * | 2018-04-14 | 2018-12-25 | 广州动安汽车压缩机有限公司 | 一种涡旋压缩机 |
| CN111878395A (zh) * | 2020-08-31 | 2020-11-03 | 广东美的环境科技有限公司 | 涡旋压缩机 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6027321A (en) * | 1996-02-09 | 2000-02-22 | Kyungwon-Century Co. Ltd. | Scroll-type compressor having an axially displaceable scroll plate |
| US5800141A (en) * | 1996-11-21 | 1998-09-01 | Copeland Corporation | Scroll machine with reverse rotation protection |
| US6913448B2 (en) * | 2002-12-30 | 2005-07-05 | Industrial Technology Research Institute | Load-regulating device for scroll type compressors |
| KR102166766B1 (ko) * | 2015-08-11 | 2020-10-16 | 삼성전자주식회사 | 압축기 |
-
2020
- 2020-12-09 CA CA3188503A patent/CA3188503A1/en active Pending
- 2020-12-09 EP EP20951231.8A patent/EP4184010B1/en active Active
- 2020-12-09 WO PCT/CN2020/134989 patent/WO2022041564A1/zh not_active Ceased
- 2020-12-09 KR KR1020237005743A patent/KR102738015B1/ko active Active
-
2023
- 2023-02-27 US US18/114,550 patent/US12085077B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060104452A (ko) * | 2005-03-30 | 2006-10-09 | 엘지전자 주식회사 | 스크롤 압축기의 토출가스 바이패스장치 |
| CN101415947A (zh) * | 2006-04-06 | 2009-04-22 | Lg电子株式会社 | 用于压缩机的回流预防设备 |
| CN104343693A (zh) * | 2013-08-07 | 2015-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | 涡旋压缩机高低压分隔组件及涡旋压缩机 |
| WO2015194000A1 (ja) * | 2014-06-18 | 2015-12-23 | 三菱電機株式会社 | スクロール圧縮機およびその製造方法 |
| CN105952638A (zh) * | 2016-06-21 | 2016-09-21 | 广东美的暖通设备有限公司 | 涡旋压缩机和空调器 |
| CN208281168U (zh) * | 2018-04-14 | 2018-12-25 | 广州动安汽车压缩机有限公司 | 一种涡旋压缩机 |
| CN111878395A (zh) * | 2020-08-31 | 2020-11-03 | 广东美的环境科技有限公司 | 涡旋压缩机 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4184010A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4184010A4 (en) | 2024-02-07 |
| US12085077B2 (en) | 2024-09-10 |
| KR102738015B1 (ko) | 2024-12-03 |
| US20230213033A1 (en) | 2023-07-06 |
| EP4184010A1 (en) | 2023-05-24 |
| CA3188503A1 (en) | 2022-03-03 |
| EP4184010B1 (en) | 2025-08-27 |
| KR20230038293A (ko) | 2023-03-17 |
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