CN108869287A - Positive displacement compressor structure, compressor and air conditioner - Google Patents
Positive displacement compressor structure, compressor and air conditioner Download PDFInfo
- Publication number
- CN108869287A CN108869287A CN201810752361.XA CN201810752361A CN108869287A CN 108869287 A CN108869287 A CN 108869287A CN 201810752361 A CN201810752361 A CN 201810752361A CN 108869287 A CN108869287 A CN 108869287A
- Authority
- CN
- China
- Prior art keywords
- gas
- compression chamber
- pressure
- slide plate
- cylinder
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 91
- 230000006835 compression Effects 0.000 claims abstract description 79
- 206010008469 Chest discomfort Diseases 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010992 reflux Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to Compressor Technology fields, more particularly to a kind of positive displacement compressor structure, compressor and air conditioner, positive displacement compressor structure includes the first cylinder, with compression chamber, the air entry being connected to compression chamber, and the exhaust gear that can be opened under the first preset pressure；Roller in compression chamber；At least one slide plate component is set in compression chamber, and compression chamber is divided into suction side and exhaust side by slide plate, is respectively formed low pressure chamber and high pressure chest in compression process；Further include transfiguration switching mechanism, including transfiguration channel, be connected to exhaust side, substantially eliminates the pressure difference of suction side and exhaust side suitable for being passed through gas to exhaust side；Or it is passed through the gas that pressure is not less than the first preset pressure to exhaust side, so that exhaust gear is in normally open；Control valve, for controlling the on-off in transfiguration channel.Positive displacement compressor structure, compressor and air conditioner provided by the invention, simple structure, convenient control is relatively reliable practical, noiseless and reflux problem.
Description
Technical field
The present invention relates to Compressor Technology fields, and in particular to a kind of positive displacement compressor structure, compressor and air conditioner.
Background technique
Compressor in the prior art is in order to realize energy-saving and emission-reduction, it will usually adjust compressor output using positive displacement compressor
Refrigerating capacity, thus the refrigeration demand under meeting different loads.Such as more indoor units share the large-size air conditioning of an outdoor unit
Device, more indoor units need whole compression cylinders of outdoor unit while being in air-breathing working condition when working together, and need work
It, can be by making partial shrinkage cylinder be in unloaded state when indoor unit quantity is reduced (unloaded state is compression cylinder not compressed gas)
To reduce the refrigerating capacity of compressor.
By taking the duplex cylinder compressor of roller type as an example, upper cylinder and lower cylinder, upper and lower two cylinder point are equipped in compression case body
Not Ju You air entry and exhaust outlet, for upper cylinder as often fortune compression chamber, lower cylinder is provided with transfiguration control as variable capacity cylinder
Mouthful, it is switched to single cylinder mode when lower cylinder unloading, is switched to twin-tub mode when cylinder load instantly.The inner circumferential of lower cylinder
Wall is equipped with sliding vane groove, is equipped with the slide plate that can be moved radially in sliding vane groove, lower cylinder is divided into the suction with air entry by slide plate
Gas side and exhaust side with exhaust outlet, low-pressure gas enters the suction side of lower cylinder from air entry, in the eccentric rotary of roller
Low pressure chamber (i.e. suction side) and high pressure chest (i.e. exhaust side) are gradually formed under the periodical folding effect of exhaust outlet, it is compressed
High pressure gas enters exhaust side and is discharged again from exhaust outlet, completes the compression of gas.Such as Chinese patent literature CN105443382B
A kind of disclosed compressor and air conditioner, in order to realize transfiguration, pin hole is arranged in the lower flange of lower cylinder in the prior art,
Spring and pin are equipped in pin hole, pin, which stretches out pin hole, to be cooperated with the lock groove on slide plate, and slide plate is fixed on cunning
In film trap, lower cylinder is in unloaded state at this time, not compressed gas；In pin retraction pin hole, slide plate unlock and and roller
Cooperation carries out gas compression, wherein follows closely upstream or downstream by the pressure difference control pin that control pin nails on lower two sides gas injection.
Since the prior art needs to be provided with special slide lock by the mobile switching for completing compression cylinder state of control slide plate
Determine mechanism, structure is sufficiently complex, and since pin hole is connected to the gas outlet of dispenser, in order to avoid being filled on the upside of pin
High pressure gas be back to dispenser from pin hole, cause cylinder air entry tolerance reduce, it is also necessary to check valve, solenoid valve are set
Deng control reflux problem, cause compressor exterior line, number of components more, structure is complicated, and not only manufacturing cost is high, logistics transportation
It is inconvenient；In long-term use process, slide plate locking mechanism is worn, and compressor fault is also be easy to cause even to damage.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome in the prior art positive displacement compressor structure is complicated, control
The defect of inconvenient, easy failure, so that a kind of simple structure, convenient control is provided, relatively reliable practical positive displacement compressor structure.
Further provide for a kind of compressor with above-mentioned positive displacement compressor structure.
Further provide for a kind of air conditioner with above-mentioned compressor.
The technical solution adopted by the present invention is as follows：
A kind of positive displacement compressor structure, including the first cylinder, have a compression chamber, and the air entry that is connected to the compression chamber and
The exhaust gear that can be opened under the first preset pressure；Roller is set in the compression chamber, and the week along the compression chamber is inside
Wall circles；At least one slide plate component is set in the compression chamber, and the inner circumferential wall along the compression chamber is distributed, institute
Stating slide plate component has the slide plate that can be moved back and forth along the radial direction of the accommodating chamber, and the roller is in the compression chamber
During circling, the slide plate offsets with the roller always close to the inner end at the compression chamber center, will be described
Compression chamber is divided into the suction side being connected to the air entry, and the exhaust side being connected to the exhaust gear, in compression process
The suction side forms low pressure chamber, and the exhaust side forms high pressure chest；It further include transfiguration switching mechanism, the transfiguration switching mechanism
Including transfiguration channel is connected to the exhaust side, makes the suction side and the exhaust suitable for being passed through gas to the exhaust side
The pressure difference of side substantially eliminates；Or it is passed through the gas that pressure is not less than first preset pressure to the exhaust side, make institute
It states exhaust gear and is in normally open；Control valve, for controlling the on-off in the transfiguration channel.
It is empty that roller forms crescent shape in the compression chamber of the first cylinder, between the periphery wall of roller and the internal perisporium of compression chamber
Between, compression chamber is divided into suction side and exhaust side by slide plate, and roller circles in compression chamber, and cooperation is in the first default pressure
The exhaust gear opened under power, the gas of compression chamber air inlet side (low pressure chamber) are compressed subsequently into exhaust side (high pressure chest) by arranging
The discharge of mechanism of qi structure, completes a press cycles.Transfiguration switching mechanism with transfiguration channel is set, by transfiguration channel to compression
Chamber exhaust side (high pressure chest) is passed through the gas of different preset pressures, and compression chamber exhaust lateral pressure is adjusted to realize change
Hold, locking mechanism controls vane motion state that no setting is required, the switching of the first cylinder load and unload, structure letter can be completed
It is single, it is reliable for operation.Compression chamber exhaust side, that is, high pressure chest pressure is adjusted there are two types of mode, one can be passed through into exhaust side with
The substantially comparable gas of gas pressure that suction side enters, puts down the pressure in the exhaust side and suction side of slide plate two sides substantially
Weighing apparatus, can not form pressure difference, although so that roller normal rotation in the first cylinder, without compression process, the first cylinder
Unloading；Secondly can inject high pressure gas to compression chamber exhaust side by transfiguration channel, the pressure of the high pressure gas is not less than the
One preset pressure causes the exhaust gear being connected to exhaust side in gas pressure due to being directly injected into high pressure gas to exhaust side
It is stayed open under effect, high-pressure side is constantly in exhaust condition, is unable to complete compression process and forms pressure difference, so that the first cylinder unloads
It carries；On the contrary, when needing the first cylinder load, transfiguration channel is closed by control valve, closes the first cylinder, at this time first
The air entry of cylinder sucks gas, is discharged by being compressed into high pressure gas from exhaust gear.In addition, due to transfiguration channel and first
The air entry of cylinder is arranged independently of each other, is independent of each other, without reflux problem of the existing technology, no setting is required check valve, electricity
Magnet valve etc. further simplifies the structure of compression mechanism, convenient for manufacture transport, reduces cost.
The transfiguration channel is suitable for being passed through the gas of the second preset pressure, the gas of second preset pressure and the suction
The pressure for the gas that gas side enters is substantially suitable, to eliminate the pressure difference of the suction side and the exhaust side；Described second is pre-
If pressure is less than first preset pressure.
Since the gas that suction side air entry enters is low-pressure gas, the gas of the second preset pressure is filled with into exhaust side
Body, the gas of the second preset pressure are low-pressure gas, make to be each filled with pressure in the exhaust side and suction side of slide plate two sides comparable
Low-pressure gas keeps the pressure in the exhaust side and suction side of slide plate two sides in a basic balance, can not form pressure difference, so that the first gas
Although the roller normal rotation in cylinder, without compression process, the unloading of the first cylinder.Although also, exhaust gear can not be arranged
Gas, but when compressor operation, after compression, it is logical that pressure is slightly above exhaust side transfiguration channel to the gas of the first cylinder suction side
The gas pressure entered, therefore, the low-pressure gas for causing the first cylinder suction side to suck connect as transfiguration channel is back to it again
Logical gas source forms gas circulation, does not influence compressor reliability and noise.
It should be noted that when suction side air entry is passed through high pressure gas, (high-pressure gas pressure is still less than the first default pressure
Power) when, the gas of the second preset pressure may be high pressure gas, and high pressure gas is filled with into exhaust side, make slide plate two sides
It is each filled with the comparable high pressure gas of pressure in exhaust side and suction side, makes the pressure base in the exhaust side and suction side of slide plate two sides
This balance can not form pressure difference, although so that roller normal rotation in the first cylinder, without compression process, first
Cylinder unloading.
The transfiguration channel includes the first passage for protruding into the exhaust side, and the connection first passage and gas source the
Two channels, the first passage are set to inside the slide plate.First passage is set up directly on inside slide plate, not dry by roller movement
It disturbs, and does not generate interference with vane motion, it is safer reliable.
The first passage is radially extended along the compression chamber, and the gas outlet of the first passage is opened in the slide plate
Towards the side of the exhaust side.Gas directly enters in exhaust side from the gas outlet on slide plate by first passage, and first is logical
Road can also be directly molded in slide plate, and structure is simple, easy to process, without pipeline of arranging.
It further include the flange being connected to below first cylinder, the second channel passes through the flange and described first
Channel connection.Second channel can be directly molded in flange, and structure is simple, easy to process, without pipeline of arranging.
The control valve is set on the second channel.
The slide plate component further includes the sliding vane groove on the compression chamber internal perisporium, and is set to the slide plate and institute
The return unit between sliding vane groove is stated, slide plate compression chamber described in return unit effect lower edge extends radially out the slide plate
Slot, the roller push effect under retract the sliding vane groove.
The outlet of the second channel and the entrance of the first passage are connected to sliding vane groove sealing respectively.Pass through cunning
Film trap realizes the mobile communication of first passage and second channel, and structure is simple, easy to process, without pipeline of arranging.
The transfiguration switching mechanism further includes for the gas source of transfiguration channel gas supply.
A kind of compressor, including the second cylinder and first cylinder, second cylinder and first cylinder are only
Vertical work.Different preset pressures can be passed through to compression chamber exhaust side (high pressure chest) by transfiguration channel according to refrigeration demand
Gas is adjusted compression chamber exhaust lateral pressure to realize transfiguration, locking mechanism controls vane motion state that no setting is required,
Switch the load and unload of the first cylinder, realizes that the operational mode of single cylinder and twin-tub switches.
A kind of air conditioner, including dispenser and the compressor.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the partial structural diagram of the compressor provided in the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the first cylinder shown in FIG. 1；
Fig. 3 is the structural schematic diagram of slide plate shown in FIG. 1；
Fig. 4 is the side view of slide plate shown in Fig. 3.
Description of symbols：
The first cylinder of 1-；The second cylinder of 2-；3- roller；4- crankshaft；5- slide plate；6- return unit；7- sliding vane groove；8- transfiguration is logical
Road；81- first passage；82- second channel；9- flange；10- exhaust gear.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instructions such as term " center ", "upper", "lower", "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment one
As shown in Figs 1-4, positive displacement compressor structure provided in this embodiment, including the first cylinder 1, with compression chamber, and with
The air entry of the compression chamber connection and the exhaust gear 10 that can be opened under the first preset pressure；Roller 3 is set to the pressure
It contracts intracavitary, the inner circumferential wall along the compression chamber circles；One 5 component of slide plate, the week set on the compression chamber are inside
On wall, 5 component of slide plate has the slide plate 5 that can be moved back and forth along the radial direction of the accommodating chamber, and the roller 3 is in institute
State during being circled in compression chamber, the slide plate 5 close to the compression chamber center inner end always with the roller 3
It offsets, the compression chamber is divided into the suction side being connected to the air entry, and the exhaust being connected to the exhaust gear 10
Side, suction side described in compression process form low pressure chamber, and the exhaust side forms high pressure chest；It further include transfiguration switching mechanism, institute
Stating transfiguration switching mechanism includes, and transfiguration channel 8 is connected to the exhaust side, suitable for the exhaust side be passed through gas make it is described
Suction side and the pressure difference of the exhaust side substantially eliminate；Control valve, for controlling the on-off in the transfiguration channel 8.
Roller 3 forms crescent moon between the periphery wall of roller 3 and the internal perisporium of compression chamber in the compression chamber of the first cylinder 1
Shape space, compression chamber are divided into suction side and exhaust side by slide plate 5, and roller 3 circles in compression chamber, cooperate first
The gas of the exhaust gear 10 opened under preset pressure, compression chamber air inlet side (low pressure chamber) is compressed subsequently into exhaust side by arranging
Mechanism of qi structure 10 is discharged, and completes a press cycles.Transfiguration switching mechanism with transfiguration channel 8 is set, by transfiguration channel 8 to
Compression chamber exhaust side (high pressure chest) is passed through the gas of different preset pressures, is adjusted to realize to compression chamber exhaust lateral pressure
Transfiguration, 5 motion state of locking mechanism controls slide plate that no setting is required, can be completed the switching of 1 load and unload of the first cylinder, structure
Simply, reliable for operation.It can be passed through the substantially comparable gas of gas pressure entered with suction side into exhaust side, make slide plate 5
Pressure in the exhaust side and suction side of two sides is in a basic balance, can not form pressure difference, though so that roller 3 in the first cylinder 1
Right normal rotation, but without compression process, the unloading of the first cylinder 1；On the contrary, passing through control when needing the load of the first cylinder 1
Valve processed closes transfiguration channel 8, and the first cylinder 1 is made to form closed area, and the air entry of the first cylinder 1 normally sucks gas at this time,
It is discharged by being compressed into high pressure gas from exhaust gear 10.In addition, since transfiguration channel 8 and the air entry of the first cylinder 1 are mutual
It is independently arranged, is independent of each other, without reflux problem of the existing technology, no setting is required check valve, solenoid valve etc. is further simplified
The structure of compression mechanism, easy to operate, strong applicability reduces cost convenient for manufacture transport.
Specifically, the transfiguration channel 8 is suitable for being passed through the gas of the second preset pressure, the gas of second preset pressure
It is substantially suitable with the pressure of the gas of suction side entrance, to eliminate the pressure difference of the suction side and the exhaust side；Institute
The second preset pressure is stated less than first preset pressure.
Since the gas that suction side air entry enters is low-pressure gas, the gas of the second preset pressure is filled with into exhaust side
Body, the gas of the second preset pressure are low-pressure gas, make to be each filled with pressure in the exhaust side and suction side of 5 two sides of slide plate comparable
Low-pressure gas keeps the pressure in the exhaust side and suction side of 5 two sides of slide plate in a basic balance, can not form pressure difference, so that first
Although 3 normal rotation of roller in cylinder 1, without compression process, the unloading of the first cylinder 1.Also, due to the first gas at this time
It is high pressure gas in compression case body outside cylinder 1, is influenced by 10 two sides pressure difference of exhaust gear, exhaust gear 10 can not be opened,
But when due to compressor operation, for the gas of 1 suction side of the first cylinder under roller bearing rotary action, pressure is still slightly above exhaust side
The gas pressure (pressure difference is smaller) that transfiguration channel 8 is passed through, therefore, cause 1 suction side of the first cylinder suck low-pressure gas again with
Transfiguration channel 8 be back to the gas source communicated therewith, form gas circulation, do not influence compressor reliability and noise.
Also, transfiguration channel 8 can share gas source with the suction side of the first cylinder 1, and the low-pressure gas in gas source enters change
It can be filtered respectively through dispenser before holding channel 8 and the first cylinder 1.
Transfiguration channel 8 includes the first passage 81 for protruding into the exhaust side, and the connection first passage 81 and gas source
Second channel 82, first passage 81 are molded directly within inside slide plate 5, not by 3 motion artifacts of roller, and are not moved and are produced with slide plate 5
Raw interference, it is safer reliable.Specifically, the radially extending along the compression chamber of first passage 81, the first passage
81 gas outlet is opened in the slide plate 5 towards the side of the exhaust side.Gas is by first passage 81 directly from slide plate 5
Gas outlet enter in exhaust side.Positive displacement compressor structure further includes the flange 9 for being connected to first cylinder, 1 lower section, and described the
Two channels 82 pass through the flange 9 and are connected to the first passage 81.Second channel 82 can be directly molded in flange 9, knot
Structure is simple, easy to process, without pipeline of arranging.
5 component of slide plate further includes the sliding vane groove 7 on the compression chamber internal perisporium, and is set to the slide plate 5 and institute
The return unit 6 between sliding vane groove 7 is stated, extending radially out for the slide plate 5 compression chamber described in the return unit 6 effect lower edge is described
Sliding vane groove 7, the roller 3 push effect under retract the sliding vane groove 7.
The outlet of the second channel 82 and the entrance of the first passage 81 are connected to the sliding vane groove 7 sealing respectively.
The mobile communication of first passage 81 and second channel 82 is realized by sliding vane groove 7, structure is simple, and it is easy to process, without pipe of arranging
Road.Slide plate 5 is flexibly connected with what sliding vane groove 7 sealed, also, the air inlet of first passage 81 is opened in slide plate 5 far from compression chamber
On the outer end at center.
Wherein return unit 6 is the elastic pressuring spring between the outer end of sliding vane groove 7 and slide plate 5 far from compression chamber center.
Exhaust gear 10 includes the exhaust passage being connected to exhaust side and the retractable exhaust valve on exhaust passage
Piece.
Transfiguration switching mechanism further includes for the gas source of the transfiguration channel 8 gas supply.The supply gas pressure of gas source is adjustable.
The course of work of transfiguration switching mechanism is as follows：When the first 1 normal compression work of cylinder, transfiguration channel 8 is by control valve
Control is in close state, and closes the first cylinder 1, roller 3 is in the compression chamber of the first cylinder 1, the periphery wall and pressure of roller 3
Crescent shape space is formed between the internal perisporium of contracting chamber, roller 3 circles in compression chamber, cooperates under the first preset pressure
The exhaust gear 10 of unlatching, compression chamber are divided into suction side and exhaust side by slide plate 5, and the gas of compression chamber air inlet side is right by compression
Enter exhaust side afterwards to be discharged by exhaust gear 10, completes a press cycles.It, can be to row when needing the unloading of the first cylinder 1
The substantially comparable gas of gas pressure entered with suction side is passed through in gas side, in the exhaust side and suction side for making 5 two sides of slide plate
Pressure it is in a basic balance, pressure difference can not be formed, although so that 3 normal rotation of roller in the first cylinder 1, does not compress
Process, the unloading of the first cylinder 1.
The present embodiment also provides a kind of compressor, including the second cylinder 2 and first cylinder 1, second cylinder 2
It works independently with first cylinder 1.It can be according to refrigeration demand, by transfiguration channel 8 to compression chamber exhaust side (high pressure chest)
It is passed through the gas of different preset pressures, compression chamber exhaust lateral pressure is adjusted to realize transfiguration, no setting is required locks machine
Structure controls 5 motion state of slide plate, switches the load and unload of the first cylinder 1, realizes that the operational mode of single cylinder and twin-tub switches.
Compressor further includes stator, rotor, and the crankshaft 4 connecting with rotor, and rotor rotation band dynamic crankshaft 4 rotates, into
And roller 3 is driven to rotate.
The present embodiment also provides a kind of air conditioner, including dispenser and the compressor, the gas outlet difference of dispenser
It is connected to the air entry of the first cylinder 1 and the second cylinder 2.
As the alternative embodiments of embodiment one, transfiguration channel is passed through pressure not less than described the to the exhaust side
The gas of one preset pressure makes the exhaust gear be in normally open, injects height to compression chamber exhaust side by transfiguration channel
Calm the anger body, the pressure of the high pressure gas is not less than the first preset pressure, due to being directly injected into high pressure gas to exhaust side, cause with
The exhaust gear of exhaust side connection stays open under gas pressure effect, and high-pressure side is constantly in exhaust condition, is unable to complete
Compression process forms pressure difference, so that the first cylinder unloads.
As the alternative embodiments of embodiment one, when suction side air entry is passed through high pressure gas (high-pressure gas pressure
Still less than the first preset pressure) when, the gas of the second preset pressure may be high pressure gas, and high pressure gas is filled with into exhaust side
Body makes to be each filled with the comparable high pressure gas of pressure in the exhaust side and suction side of slide plate two sides, make slide plate two sides exhaust side and
Pressure in suction side is in a basic balance, can not form pressure difference, although so that roller normal rotation in the first cylinder, does not have
There are compression process, the unloading of the first cylinder.
As the alternative embodiments of embodiment one, the number of slide plate component is two or more.
As the alternative embodiments of embodiment one, first passage is made of the pipeline protruded into exhaust side, and first is logical
Road is provided separately with slide plate.
As the alternative embodiments of embodiment one, compressor further includes the third cylinder to work independently, third cylinder
It is Chang Yunqi cylinder with the second cylinder, by the switching of the first cylinder load and unload, realizes the switching of twin-tub and three cylinder modes.
As the alternative embodiments of embodiment one, the settable air-breathing stabipack in the inlet of first passage, to
Reduce noise.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (11)
1. a kind of positive displacement compressor structure, including：
First cylinder (1), has a compression chamber, and the air entry that is connected to the compression chamber and can open under the first preset pressure
The exhaust gear (10) opened；
Roller (3) is set in the compression chamber, and the inner circumferential wall along the compression chamber circles；
At least one slide plate (5) component is set in the compression chamber, and the inner circumferential wall along the compression chamber is distributed, the slide plate
(5) component has the slide plate (5) that can be moved back and forth along the radial direction of the accommodating chamber, and the roller (3) is in the compression
It is intracavitary circle during, the slide plate (5) close to the compression chamber center inner end always with the roller (3) phase
It supports, the compression chamber is divided into the suction side being connected to the air entry, and the exhaust being connected to the exhaust gear (10)
Side, suction side described in compression process form low pressure chamber, and the exhaust side forms high pressure chest；
It is characterized in that, further include transfiguration switching mechanism, the transfiguration switching mechanism includes,
Transfiguration channel (8), is connected to the exhaust side, makes the suction side and the row suitable for being passed through gas to the exhaust side
The pressure difference of gas side substantially eliminates；Or it is passed through the gas that pressure is not less than first preset pressure to the exhaust side, make
The exhaust gear (10) is in normally open；
Control valve, for controlling the on-off of the transfiguration channel (8).
2. positive displacement compressor structure according to claim 1, which is characterized in that the transfiguration channel (8) is suitable for being passed through second
The pressure of the gas of preset pressure, the gas that gas and the suction side of second preset pressure enter is substantially suitable, with
Eliminate the pressure difference of the suction side and the exhaust side；Second preset pressure is less than first preset pressure.
3. positive displacement compressor structure according to claim 1 or 2, which is characterized in that the transfiguration channel (8) includes protruding into institute
The first passage (81) of exhaust side, and the second channel (82) of the connection first passage (81) and gas source are stated, described first is logical
It is internal that road (81) is set to the slide plate (5).
4. positive displacement compressor structure according to claim 3, which is characterized in that the first passage (81) is along the compression chamber
Radially extend, the gas outlet of the first passage (81) is opened in the slide plate (5) towards the side of the exhaust side.
5. positive displacement compressor structure according to claim 3, which is characterized in that further include being connected to first cylinder (1)
The flange (9) of lower section, the second channel (82) pass through the flange (9) and are connected to the first passage (81).
6. positive displacement compressor structure according to claim 3, which is characterized in that the control valve is set to the second channel
(82) on.
7. positive displacement compressor structure according to claim 3, which is characterized in that slide plate (5) component further includes being set to institute
State the sliding vane groove (7) on compression chamber internal perisporium, and the return unit being set between the slide plate (5) and the sliding vane groove (7)
(6), the slide plate (5) compression chamber described in the return unit (6) effect lower edge extends radially out the sliding vane groove (7), in institute
That states roller (3) pushes the lower retraction sliding vane groove (7) of effect.
8. positive displacement compressor structure according to claim 7, which is characterized in that the outlet of the second channel (82) and described
The entrance of first passage (81) is connected to the sliding vane groove (7) sealing respectively.
9. positive displacement compressor structure according to claim 1 or 2, which is characterized in that the transfiguration switching mechanism further include for
The gas source of transfiguration channel (8) gas supply.
10. a kind of compressor, which is characterized in that including the second cylinder (2) and such as claim 1-9 described in any item first
Cylinder (1), second cylinder (2) and first cylinder (1) work independently.
11. a kind of air conditioner, which is characterized in that including dispenser and compressor as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752361.XA CN108869287B (en) | 2018-07-10 | 2018-07-10 | Variable-volume compression mechanism, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752361.XA CN108869287B (en) | 2018-07-10 | 2018-07-10 | Variable-volume compression mechanism, compressor and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869287A true CN108869287A (en) | 2018-11-23 |
| CN108869287B CN108869287B (en) | 2024-03-29 |
Family
ID=64300708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810752361.XA Active CN108869287B (en) | 2018-07-10 | 2018-07-10 | Variable-volume compression mechanism, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869287B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060090488A1 (en) * | 2004-11-01 | 2006-05-04 | Lg Electronics Inc | Apparatus for changing capacity of multi-stage rotary compressor |
| US20070003423A1 (en) * | 2005-07-02 | 2007-01-04 | Lee Jeong B | Variable capacity rotary compressor |
| CN201779016U (en) * | 2010-09-02 | 2011-03-30 | 广东美芝制冷设备有限公司 | Variable-volume rotary compressor |
| CN103256223A (en) * | 2012-02-17 | 2013-08-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable volume compressor and control method thereof, air conditioner having variable volume compressor, and heat pump water heater having variable volume compressor |
| CN104314824A (en) * | 2014-11-07 | 2015-01-28 | 广东美芝制冷设备有限公司 | Compressor and air conditioning system provided with same |
| US20180045201A1 (en) * | 2016-02-02 | 2018-02-15 | Guangdong Meizhi Compressor Co., Ltd. | Variable-capacity compressor and refrigeration device having same |
| CN108131859A (en) * | 2017-12-25 | 2018-06-08 | 珠海格力电器股份有限公司 | The air-conditioning system and its control method of positive displacement compressor, storage medium and processor |
| CN208518888U (en) * | 2018-07-10 | 2019-02-19 | 珠海凌达压缩机有限公司 | Positive displacement compressor structure, compressor and air conditioner |
-
2018
- 2018-07-10 CN CN201810752361.XA patent/CN108869287B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060090488A1 (en) * | 2004-11-01 | 2006-05-04 | Lg Electronics Inc | Apparatus for changing capacity of multi-stage rotary compressor |
| US20070003423A1 (en) * | 2005-07-02 | 2007-01-04 | Lee Jeong B | Variable capacity rotary compressor |
| CN201779016U (en) * | 2010-09-02 | 2011-03-30 | 广东美芝制冷设备有限公司 | Variable-volume rotary compressor |
| CN103256223A (en) * | 2012-02-17 | 2013-08-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable volume compressor and control method thereof, air conditioner having variable volume compressor, and heat pump water heater having variable volume compressor |
| CN104314824A (en) * | 2014-11-07 | 2015-01-28 | 广东美芝制冷设备有限公司 | Compressor and air conditioning system provided with same |
| US20180045201A1 (en) * | 2016-02-02 | 2018-02-15 | Guangdong Meizhi Compressor Co., Ltd. | Variable-capacity compressor and refrigeration device having same |
| CN108131859A (en) * | 2017-12-25 | 2018-06-08 | 珠海格力电器股份有限公司 | The air-conditioning system and its control method of positive displacement compressor, storage medium and processor |
| CN208518888U (en) * | 2018-07-10 | 2019-02-19 | 珠海凌达压缩机有限公司 | Positive displacement compressor structure, compressor and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108869287B (en) | 2024-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102045694B1 (en) | Dual Variable Capacity Compressor and Air Conditioning System With The Same | |
| EP3130807B1 (en) | Compressor and air conditioner | |
| EP2551526B1 (en) | Two stage rotary compressor | |
| US20070041852A1 (en) | Rotary compressor | |
| KR20030044867A (en) | Multi-stage compression type rotary compressor manufacturing method | |
| WO2017024865A1 (en) | Compressor and heat exchange system | |
| US20120230854A1 (en) | Scroll Compressor | |
| CN102216619B (en) | Screw compressor | |
| CN208518888U (en) | Positive displacement compressor structure, compressor and air conditioner | |
| CN203248363U (en) | Double-die compression pump body and double-cylinder compressor using same | |
| CN115013317A (en) | Vortex assembly, vortex compressor and compressor heat pump system | |
| US3451614A (en) | Capacity control means for rotary compressors | |
| US20170350623A1 (en) | Refrigeration cycle device and compressor used in same | |
| CN108869287A (en) | Positive displacement compressor structure, compressor and air conditioner | |
| JP7396561B2 (en) | Dry vacuum pumps and pump equipment | |
| CN1609451B (en) | Compressor | |
| JPS5888486A (en) | Rotary compressor | |
| US8454333B2 (en) | Rotary fluid machine having outer and inner cylinder chambers with different heights | |
| US10941774B2 (en) | Variable-capacity mechanism of scroll compressor and scroll compressor | |
| US20150167672A1 (en) | Scroll compressor | |
| WO2012026200A1 (en) | Compressor | |
| CN208605353U (en) | A kind of transfiguration rotor compressor and register | |
| CN111075721B (en) | Pump body subassembly and variable volume compressor | |
| CN100425840C (en) | Smart control valve for compressors | |
| CN208966587U (en) | Pump assembly, positive displacement compressor, air handling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |