CN108825499A - Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot - Google Patents
Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot Download PDFInfo
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- CN108825499A CN108825499A CN201810875164.7A CN201810875164A CN108825499A CN 108825499 A CN108825499 A CN 108825499A CN 201810875164 A CN201810875164 A CN 201810875164A CN 108825499 A CN108825499 A CN 108825499A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000005057 refrigeration Methods 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
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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
- F04C23/001—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 of similar working principle
-
- 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
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- 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
- F04C29/06—Silencing
-
- 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
- F04C2240/10—Stators
-
- 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
- F04C2240/20—Rotors
-
- 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
- F04C2240/30—Casings or housings
Abstract
The present invention discloses three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot, including casing, three cylinders on eccentric main axis and eccentric main axis in casing are set, it is successively the first low pressure (LP) cylinder, second low pressure (LP) cylinder and high pressure cylinder, each cylinder includes covering radial direction in eccentric main axis in the cylinder sleeve for being formed in the rolling-rotor rolled in cylinder body on the correspondence crank-pin of 120 degree of angles, it is spaced between three cylinders by partition, first low pressure (LP) cylinder, second low pressure (LP) cylinder size and gas volume space are equal, high pressure cylinder volume space is the first low pressure (LP) cylinder, the 1/3 of the sum of second low pressure (LP) cylinder gas volume space；Crescent-shaped space is formed between table in each rolling-rotor outer surface and respective cylinder body, sliding vane groove is set on each cylinder body, has spring and slide plate in each sliding vane groove, slide plate is tangent with rolling-rotor outer surface and crescent-shaped space is separated into two parts.Output tolerance when refrigerant system feature load operation may be implemented in the present invention is adjusted, and can also realize refrigeration cooling needs.
Description
Technical field
The present invention relates to Refrigeration & Air-Conditioning technical fields, and in particular to a kind of three cylinder twin-stages rolling turn of radial equipartition sliding slot
Sub- compressor.
Background technique
Since rolling rotor refrigeration compressor is widely applied in small-sized air condition system, for refrigerated plant for foodstuffs, cold
Temperature is lower, can be met using Two-stage Compression with cold demand.But if cooling load is larger, needs to increase output tolerance, that is, increase
The diameter of big volume space, rolling-rotor increases, and the weight of main shaft increases, and the overall weight of rolling rotor refrigeration compressor increases
Greatly, therefore can to design low temperature twin-tub in parallel, and the output tolerance of low-temperature level not only can be improved, but also output when can realize sub-load
Tolerance is adjusted, meanwhile, meet the low temperature cooling demand of chilled goods.
Summary of the invention
The present invention is that place, the three cylinder twin-stages for providing a kind of radial equipartition sliding slot roll in order to overcome the shortcomings in the prior art
Dynamic rotor compressor.
The technical solution adopted by the present invention to solve the technical problems is：
Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot, including：
Casing, the eccentric main axis for being driven rotation being arranged in casing and three cylinders being located on eccentric main axis,
It successively include the first low pressure (LP) cylinder, the second low pressure (LP) cylinder and high pressure cylinder, each cylinder includes covering the radial direction in eccentric main axis in 120 degree
The cylinder sleeve for being formed in the rolling-rotor rolled in cylinder body on the correspondence crank-pin of angle, the cylinder body on the outside of cylinder sleeve,
It is spaced between three cylinders by partition, is respectively equipped with end cap on the outside of two cylinders in outside；First low pressure (LP) cylinder,
The size of two low pressure (LP) cylinders is identical, gas volume space is equal, and the volume space of high pressure cylinder is the first low pressure (LP) cylinder, the second low pressure (LP) cylinder gas
The one third of the sum of body volume space, the cylinder body of high pressure cylinder and the inner wall of casing connect, first low pressure (LP) cylinder, the second low pressure
The inner wall of cylinder and casing is spaced certain distance；
Crescent-shaped space, each cylinder are formed between each rolling-rotor outer surface and the interior table of corresponding cylinder body
Sliding vane groove is provided on body, be equipped in each sliding vane groove spring and can in sliding vane groove the opposite slide plate slided, the slide plate
It is tangent with corresponding rolling-rotor outer surface and crescent-shaped space is separated into two parts.
Each rolling-rotor and the eccentricity at eccentric main axis center are the outer radius and eccentric main axis of corresponding cylinder sleeve
Main shaft semidiameter.
The upper position that the cylinder body of the high pressure cylinder corresponds to its sliding vane groove is equipped with the high pressure cylinder being connected to high pressure cylinder air inlet pipe
Suction hole is provided with high pressure cylinder gas vent with the symmetrical position of high pressure cylinder suction hole, installs on the high pressure cylinder gas vent
There is high pressure cylinder exhaust valve, high pressure cylinder exhaust valve is connect by aperture with high pressure cylinder exhaust pipe；
The upper position that the cylinder body of second low pressure (LP) cylinder corresponds to its sliding vane groove is provided with to be connected to the second low pressure (LP) cylinder air inlet pipe
The second low pressure (LP) cylinder suction hole, the symmetrical position of the second low pressure (LP) cylinder suction hole is provided with the second low pressure (LP) cylinder gas vent, institute
It states and the second low pressure (LP) cylinder exhaust valve is installed on the second low pressure (LP) cylinder gas vent；
The upper position that the cylinder body of first low pressure (LP) cylinder corresponds to its sliding vane groove is provided with to be connected to the first low pressure (LP) cylinder air inlet pipe
The first low pressure (LP) cylinder suction hole, the symmetrical position of the first low pressure (LP) cylinder suction hole is provided with the first low pressure (LP) cylinder gas vent, institute
It states and the first low pressure (LP) cylinder exhaust valve is installed on the first low pressure (LP) cylinder gas vent；
The center of the end face of nearly first low pressure (LP) cylinder opens up aperture connection intermediate exhaust pipe on the casing.
The first low pressure (LP) cylinder air inlet pipe, the second low pressure (LP) cylinder air inlet pipe entrance be respectively equipped with solenoid valve, solenoid valve enters
It is connect after mouth adapter tube is in parallel with the outlet of evaporator.
The outlet of the intermediate exhaust pipe and the entrance of intercooler connect, and the entrance of high pressure cylinder air inlet pipe and centre are cold
But the outlet connection of device, the outlet of high pressure cylinder exhaust pipe and the entrance of condenser connect.
The long end of the main shaft of the eccentric main axis and rotor cooperate, and rotor and motor stator cooperate, the motor
Rotor and motor stator are mounted in casing.
The cylinder body of first low pressure (LP) cylinder and high pressure cylinder is connected with corresponding end cap by gasket seal and screw respectively,
The main shaft that end cap on the outside of high pressure cylinder is sleeved on eccentric main axis by spindle through-hole is fixed behind long end outside with high pressure cylinder body
Connection；End cap on the outside of the first low pressure (LP) cylinder covers the short end side of eccentric main axis.
The partition is respectively to be made of two parts that center opens up semicircle aperture, and the partition passes through semicircle aperture
It covers outside eccentric main axis, the bulkhead seal between the first low pressure (LP) cylinder and the second low pressure (LP) cylinder is clipped in the first low pressure (LP) cylinder and the second low pressure (LP) cylinder
Between, the bulkhead seal between the second low pressure cylinder body and high pressure cylinder is clipped between the second low pressure (LP) cylinder and high pressure cylinder, and by partition screw
It is fixed with the cylinder body of high pressure cylinder.
Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot of the present invention, a high-pressure cylinder, two identical sizes
Low-pressure cylinder, and the air inlet pipe of low-pressure cylinder is in parallel, can work at the same time, can also be each by solenoid valve control low-pressure cylinder
Enter from cylinder interior gas, realizes that output tolerance when refrigerant system feature load operation is adjusted, refrigeration cooling supply also may be implemented
Demand, it is energy saving, protect environment.
Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot of the present invention, sliding vane groove radial symmetric arrangement, large cylinder rolling
The rolling-rotor of turn and two small cylinders can turn round inertia force, refrigeration compressor smooth running, noise from imbalance is offset
It is small, high reliablity.
Detailed description of the invention
Fig. 1 is the schematic diagram of three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot of the present invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the B-B cross-sectional view of Fig. 1；
Fig. 4 is the C-C cross-sectional view of Fig. 1.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
As shown in Figures 1 to 4, three cylinder twin-stage compressor with rolling rotor of a kind of radial equipartition sliding slot, including upper end cover 1,
First low pressure cylinder sleeve 2, the first low pressure cylinder body 3, first partition 4, the second low pressure cylinder sleeve 5, the second low pressure cylinder body 6, high pressure cylinder
Air inlet pipe 7, high pressure cylinder body 8, high pressure cylinder spring 9, high pressure cylinder slide plate 10, lower half casing 11, motor stator 12, eccentric main axis 13,
Rotor 14, lower cover screw 15, lower cover 16, high pressure cylinder sleeve 17, second partition 18, upper half casing 19, upper end cover spiral shell
Follow closely 20, intermediate exhaust pipe 21, second partition screw 22, the first low pressure (LP) cylinder air inlet pipe 23, the first low pressure (LP) cylinder spring 24, the first low pressure
Cylinder slide plate 25, the second low pressure (LP) cylinder spring 26, the second low pressure (LP) cylinder slide plate 27, the second low pressure (LP) cylinder air inlet pipe 28, high pressure cylinder exhaust pipe 29.
The high pressure cylinder body 8 is fixedly connected with lower half casing 11, and it is in the big of 120 degree of angles that eccentric main axis 13, which is provided with radial,
Crank-pin and two small crank pins are set with high pressure cylinder sleeve 17 outside the big crank pin of motor side and are formed in high pressure cylinder body 8
The big rolling-rotor of interior rolling, the second small crank pin being arranged positioned at big crank pin top close to big crank pin, outer circle suit
There is the second low pressure cylinder sleeve 5, is formed in the second low pressure rolling-rotor rolled in the second low pressure cylinder body 6, is located at the second small crank
It sells top and the first small crank pin is set, outer circle is set with the first low pressure cylinder sleeve 2, is formed in the first low pressure cylinder body 3 and rolls
The first low pressure rolling-rotor.
The outer surface of the high pressure cylinder sleeve 17 and 8 inner surface of high pressure cylinder body are tangent, the outer surface of the first low pressure cylinder sleeve 2
Tangent with 3 inner surface of the first low pressure cylinder body, the outer surface of the second low pressure cylinder sleeve 5 and 6 inner surface of the second low pressure cylinder body are tangent, respectively
The eccentricity of a rolling-rotor and main-shaft core is the outer radius of sleeve and the main shaft semidiameter of eccentric main axis 13.The high pressure cylinder
The corresponding sliding vane groove upper position of body 8 is equipped with the high pressure cylinder suction hole (not shown) being connected to high pressure cylinder air inlet pipe 7, with the high pressure
The symmetrical position of cylinder suction hole is provided with high pressure cylinder gas vent (not shown), and high pressure cylinder row is equipped on the high pressure cylinder gas vent
Air valve (not shown), high pressure cylinder exhaust valve are connect by aperture with high pressure cylinder exhaust pipe 29.
The spindle through-hole of the lower cover 16 is sleeved on outside the long end of 13 main shaft of eccentric main axis and by gasket seal and peace
Lower cover screw 15 in screw hole is fixedly connected with high pressure cylinder body 8, and the first partition 4 and second partition 18 are respectively
Center opens up two parts composition in semicircle aperture, covers outside eccentric main axis 13, first partition 4 is existed by gasket seal clips
Between first low pressure cylinder body 3 and the second low pressure cylinder body 6, second partition 18 by second partition screw 22 and the gasket seal accompanied with
High pressure cylinder body 8 is fixed, between big rolling-rotor outer surface and the inner surface and second partition 18 and lower cover 16 of high pressure cylinder body 8
Form the space of crescent.It is provided with sliding vane groove on the high pressure cylinder body 8, high pressure cylinder spring 9 and high pressure are installed in sliding vane groove
Cylinder slide plate 10, high pressure cylinder slide plate 10 is tangent with big rolling-rotor outer surface and crescent-shaped space is separated into two parts, high pressure cylinder
The opposite sliding in sliding vane groove of slide plate 10.High pressure cylinder slide plate 10 and the outer surface of big rolling-rotor are tangent, so that high pressure cylinder slide plate
10 have the straight line being in contact with the outer surface of big rolling-rotor, and with the rotation of eccentric main axis 13, two small spaces are not
It is disconnectedly ascending then descending, it realizes to the air-breathing of refrigeration working medium gas, compression and exhaust.
The inner surface and first partition 4 and second partition 18 of the second small rolling-rotor and the second low pressure cylinder body 6 it
Between formed crescent space.It is provided with sliding vane groove on the second low pressure cylinder body 6, the second low pressure (LP) cylinder is installed sliding in sliding vane groove
Piece 27, the second low pressure (LP) cylinder spring 26, the second low pressure (LP) cylinder slide plate 27 and the second small rolling-rotor outer surface are tangent and crescent is empty
Between be separated into two parts, the opposite sliding in sliding vane groove of the second low pressure (LP) cylinder slide plate 26.Second low pressure (LP) cylinder slide plate 26 and the second small rolling
The outer surface of turn is tangent, so that the second low pressure (LP) cylinder slide plate 27 and the outer surface of the second small rolling-rotor have one to be in contact
Straight line, with the rotation of eccentric main axis 13, two small spaces are constantly ascending then descending, realize to refrigeration work
Air-breathing, compression and the exhaust of matter gas.
The corresponding sliding vane groove upper position of the second low pressure cylinder body 6 is provided with second be connected to the second low pressure (LP) cylinder air inlet pipe 28
Low pressure (LP) cylinder suction hole (not shown) is provided with the second low pressure (LP) cylinder gas vent with the symmetrical position of the second low pressure (LP) cylinder suction hole
(not shown) is equipped with the second low pressure (LP) cylinder exhaust valve (not shown) on the second low pressure (LP) cylinder gas vent.
The upper end cover 1 passes through gasket seal and the upper end cover screw 20 and the first low pressure cylinder body 3 that are mounted in screw hole
It is fixedly connected, between the first small rolling-rotor and the inner surface and upper end cover 1 and first partition 4 of the first low pressure cylinder body 3
Form the space of crescent.It is provided with sliding vane groove on the first low pressure cylinder body 3, the first low pressure (LP) cylinder slide plate is installed in sliding vane groove
25, the first low pressure (LP) cylinder spring 24, the first low pressure (LP) cylinder slide plate 25 and the first small rolling-rotor outer surface are tangent and by crescent-shaped space
It is separated into two parts, the opposite sliding in sliding vane groove of the first low pressure (LP) cylinder slide plate 25.First low pressure (LP) cylinder slide plate 25 and the first small rolling
The outer surface of rotor is tangent so that the first low pressure (LP) cylinder slide plate 25 and the outer surface of the first small rolling-rotor have one be in contact it is straight
Line, with the rotation of eccentric main axis 13, two small spaces are constantly ascending then descending, realize to refrigeration working medium
Air-breathing, compression and the exhaust of gas.
The corresponding sliding vane groove upper position of the first low pressure cylinder body 3 is provided with first be connected to the first low pressure (LP) cylinder air inlet pipe 23
Low pressure (LP) cylinder suction hole (not shown) is provided with the first low pressure (LP) cylinder gas vent with the symmetrical position of the first low pressure (LP) cylinder suction hole
(not shown) is equipped with the first low pressure (LP) cylinder exhaust valve (not shown) on the first low pressure (LP) cylinder gas vent.
First low pressure (LP) cylinder, the size of the second low pressure (LP) cylinder are identical, and gas volume space is equal, the volume space of high pressure cylinder
It is the one third of the sum of the first low pressure (LP) cylinder, the second low pressure (LP) cylinder gas volume space.
The long end of main shaft of the eccentric main axis 13 and rotor 14 cooperate, and rotor 14 and motor stator 12 cooperate,
The aperture that 19 center of upper half casing opens up is welded with intermediate exhaust pipe 21.
The first low pressure (LP) cylinder air inlet pipe 23, the second low pressure (LP) cylinder air inlet pipe 28 entrance be respectively equipped with solenoid valve, solenoid valve
Inlet connection it is in parallel, connect with the outlet of evaporator.
The outlet of the intermediate exhaust pipe 21 and the entrance of intercooler connect, and the entrance of high pressure cylinder air inlet pipe 7 is in
Between cooler outlet connection, the entrance of the outlet of high pressure cylinder exhaust pipe 29 and condenser connects.
By evaporator Lai low-temp low-pressure gas refrigeration working medium respectively by the first low pressure (LP) cylinder air inlet pipe 23, the second low pressure (LP) cylinder
Air inlet pipe 28 is entered in the aspirated volume space being connected to suction hole by the suction hole of the first low pressure (LP) cylinder 3, the second low pressure (LP) cylinder 6,
Compressed high temperature and high pressure gas refrigeration working medium is discharged through the exhaust valve of the first low pressure (LP) cylinder 3, the second low pressure (LP) cylinder 6, into casing
Interior space, to after electric motor temperature reduction through intermediate exhaust pipe 21 be discharged compressor enter intercooler cooling after, by high pressure cylinder into
Tracheae 7 is entered in the aspirated volume space being connected to suction hole by the suction hole of high pressure cylinder 8, compressed high temperature and pressure gas
Body refrigeration working medium is discharged compressor through high pressure cylinder exhaust pipe 29 and enters condenser.
If refrigeration system is run at part load, can make respectively the first low pressure (LP) cylinder air inlet pipe 23, the second low pressure (LP) cylinder into
The solenoid valve of tracheae 28 disconnects, and the low-pressure cylinder for disconnecting solenoid valve does not have gas to suck and be discharged, and part output gas may be implemented
The adjusting of amount.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot, characterized in that including casing, be arranged in casing by
Three cylinders for driving the eccentric main axis of rotation and being located on eccentric main axis successively include the first low pressure (LP) cylinder, the second low pressure (LP) cylinder
And high pressure cylinder, each cylinder include that the radial direction covered in eccentric main axis is formed in cylinder on the correspondence crank-pin of 120 degree of angles
The cylinder sleeve of the rolling-rotor rolled in body, the cylinder body on the outside of cylinder sleeve are spaced between three cylinders, outside by partition
End cap is respectively equipped on the outside of two cylinders of side；First low pressure (LP) cylinder, the size of the second low pressure (LP) cylinder is identical, gas volume is empty
Between it is equal, the volume space of high pressure cylinder is the one third of the sum of the first low pressure (LP) cylinder, the second low pressure (LP) cylinder gas volume space, high pressure
The cylinder body of cylinder and the inner wall of casing connect, and the inner wall of first low pressure (LP) cylinder, the second low pressure (LP) cylinder and casing is spaced certain distance；
Crescent-shaped space is formed between each rolling-rotor outer surface and the interior table of corresponding cylinder body, on each cylinder body
Be provided with sliding vane groove, be equipped in each sliding vane groove spring and can in sliding vane groove the opposite slide plate slided, the slide plate with it is right
The rolling-rotor outer surface answered is tangent and crescent-shaped space is separated into two parts.
2. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot according to claim 1, characterized in that each rolling
The main shaft semidiameter of turn and outer radius and eccentric main axis that the eccentricity at eccentric main axis center is corresponding cylinder sleeve.
3. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot according to claim 1, characterized in that the height
The upper position that the cylinder body of cylinder pressure corresponds to its sliding vane groove is equipped with the high pressure cylinder suction hole being connected to high pressure cylinder air inlet pipe, with the height
The symmetrical position of cylinder pressure suction hole is provided with high pressure cylinder gas vent, is equipped with high pressure cylinder exhaust valve on the high pressure cylinder gas vent,
High pressure cylinder exhaust valve is connect by aperture with high pressure cylinder exhaust pipe；
The upper position that the cylinder body of second low pressure (LP) cylinder corresponds to its sliding vane groove is provided be connected to the second low pressure (LP) cylinder air inlet pipe
Two low pressure (LP) cylinder suction holes are provided with the second low pressure (LP) cylinder gas vent with the symmetrical position of the second low pressure (LP) cylinder suction hole, and described
Second low pressure (LP) cylinder exhaust valve is installed on two low pressure (LP) cylinder gas vents；
The upper position that the cylinder body of first low pressure (LP) cylinder corresponds to its sliding vane groove is provided be connected to the first low pressure (LP) cylinder air inlet pipe
One low pressure (LP) cylinder suction hole is provided with the first low pressure (LP) cylinder gas vent with the symmetrical position of the first low pressure (LP) cylinder suction hole, and described
First low pressure (LP) cylinder exhaust valve is installed on one low pressure (LP) cylinder gas vent；
The center of the end face of nearly first low pressure (LP) cylinder opens up aperture connection intermediate exhaust pipe on the casing.
4. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot according to claim 3, characterized in that described
One low pressure (LP) cylinder air inlet pipe, the second low pressure (LP) cylinder air inlet pipe entrance be respectively equipped with solenoid valve, after the inlet connection of solenoid valve is in parallel with
The outlet of evaporator connects.
5. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot according to claim 4, characterized in that in described
Between the outlet of exhaust pipe and the entrance of intercooler connect, the outlet of the entrance of high pressure cylinder air inlet pipe and intercooler connects
It connects, the outlet of high pressure cylinder exhaust pipe and the entrance of condenser connect.
6. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot according to claim 1, characterized in that described inclined
The long end of the main shaft of heart main shaft and rotor cooperate, and rotor and motor stator cooperate, the rotor and motor stator
It is mounted in casing.
7. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot according to claim 1, characterized in that described
The cylinder body of one low pressure (LP) cylinder and high pressure cylinder is connected with corresponding end cap by gasket seal and screw respectively, is located on the outside of high pressure cylinder
End cap eccentric main axis is sleeved on by spindle through-hole the long end outside of main shaft after be fixedly connected with high pressure cylinder body；It is low positioned at first
End cap on the outside of cylinder pressure covers the short end side of eccentric main axis.
8. three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot according to claim 1, characterized in that it is described every
Plate is respectively to be made of two parts that center opens up semicircle aperture, and the partition is by semi-circular hole muzzle in eccentric main axis
Outside, the bulkhead seal between the first low pressure (LP) cylinder and the second low pressure (LP) cylinder is clipped between the first low pressure (LP) cylinder and the second low pressure (LP) cylinder, and second is low
Bulkhead seal between cylinder pressure body and high pressure cylinder is clipped between the second low pressure (LP) cylinder and high pressure cylinder, and by the cylinder of partition screw and high pressure cylinder
Body is fixed.
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| CN201810875164.7A CN108825499A (en) | 2018-08-03 | 2018-08-03 | Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot |
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| CN201810875164.7A CN108825499A (en) | 2018-08-03 | 2018-08-03 | Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot |
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| CN108825499A true CN108825499A (en) | 2018-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751236A (en) * | 2019-03-26 | 2019-05-14 | 河北双达石油设备制造有限公司 | A kind of symmetrical twin helical rotors of axial sliding vane pump |
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| CN102072156A (en) * | 2009-11-20 | 2011-05-25 | 三菱电机株式会社 | Multi-cylinder rotary compressor and manufacture method thereof |
| KR20140086542A (en) * | 2012-12-28 | 2014-07-08 | 엘지전자 주식회사 | Compressor |
| CN104632623A (en) * | 2013-12-23 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage compressor |
| CN208982280U (en) * | 2018-08-03 | 2019-06-14 | 天津商业大学 | Three cylinder twin-stage compressor with rolling rotor of radial equipartition sliding slot |
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- 2018-08-03 CN CN201810875164.7A patent/CN108825499A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008286037A (en) * | 2007-05-16 | 2008-11-27 | Fujitsu General Ltd | Rotary compressor and heat pump system |
| CN102072156A (en) * | 2009-11-20 | 2011-05-25 | 三菱电机株式会社 | Multi-cylinder rotary compressor and manufacture method thereof |
| KR20140086542A (en) * | 2012-12-28 | 2014-07-08 | 엘지전자 주식회사 | Compressor |
| CN104632623A (en) * | 2013-12-23 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109751236A (en) * | 2019-03-26 | 2019-05-14 | 河北双达石油设备制造有限公司 | A kind of symmetrical twin helical rotors of axial sliding vane pump |
| CN109751236B (en) * | 2019-03-26 | 2023-11-28 | 河北双达石油设备制造有限公司 | Symmetrical double-screw rotor for axial sliding vane pump |
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