CN106762642A - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN106762642A CN106762642A CN201611106355.4A CN201611106355A CN106762642A CN 106762642 A CN106762642 A CN 106762642A CN 201611106355 A CN201611106355 A CN 201611106355A CN 106762642 A CN106762642 A CN 106762642A
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- exhaust passage
- compression chamber
- cylinder
- stage
- chamber
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- 230000006835 compression Effects 0.000 claims abstract description 155
- 238000007906 compression Methods 0.000 claims abstract description 155
- 239000007921 spray Substances 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000000740 bleeding effect Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 12
- 238000013022 venting Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 45
- 238000007664 blowing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- 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
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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
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of rotary compressor, including the housing for sealing, electric motor and compression mechanical part, compression mechanical part includes the first cylinder, second cylinder, second piston, multiple second slide plates and spray enthalpy part, first cylinder is provided with one stage of compression chamber, multiple second slide plates are put along circumferentially-spaced the opening up of the second cylinder, each second slide plate only supports periphery wall and the reciprocating motion of second piston, multiple compression chambers spaced apart are separated out with by the inside of the second cylinder, one in multiple compression chambers is spray enthalpy compression chamber, remaining is two-stage compression chamber, the spray enthalpy mouthful for spraying enthalpy part is connected with the air intake passage of spray enthalpy compression chamber, exhaust passage of the air intake passage in each two-stage compression chamber with one stage of compression chamber is connected.Rotary compressor according to embodiments of the present invention, simple structure, spray enthalpy effect are good and be easily achieved.
Description
Technical field
The present invention relates to compressor field, more particularly, to a kind of rotary compressor.
Background technology
In correlation technique, twin-tub, twin-stage spray enthalpy rotary compressor use double-cylinder structure, and will be during spray enthalpy mouth is directly opened in
Pressure chamber, spray enthalpy cold media gas can just carry out two-stage compression after need to mixing with one stage of compression cold media gas, due to spray enthalpy cold media gas
Mix with middle pressure cold media gas, thus spray enthalpy cold media gas are limited by the influence of middle pressure cold media gas pressure, spray enthalpy effect is obtained not
To performance well, there is room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is carried
Go out the good rotary compressor of a kind of simple structure, spray enthalpy effect.
Rotary compressor according to embodiments of the present invention includes the housing of sealing；Electric motor, the electric motor storage
In the housing；Compression mechanical part, the compression mechanical part is accommodated in the housing, and the compression mechanical part is by the electricity
Dynamic motor drives rotation, and the compression mechanical part includes：First cylinder, first cylinder is provided with one stage of compression chamber；Second gas
Cylinder；Second piston, is located in second cylinder to the second piston eccentric rotary；Multiple second slide plates, multiple described the
Two slide plates are put along circumferentially-spaced the opening up of second cylinder, and each described second slide plate is only against the outer of the second piston
On perisporium and move back and forth, the inside of second cylinder is separated out multiple compression chambers spaced apart, the multiple compression
One in chamber is spray enthalpy compression chamber, and remaining is two-stage compression chamber；Spray enthalpy part, the spray enthalpy of the spray enthalpy part mouthful with it is described
The air intake passage for spraying enthalpy compression chamber is connected, the air intake passage in each two-stage compression chamber with the exhaust in the one stage of compression chamber
Passage is connected.
Rotary compressor of the invention, the spray enthalpy mouthful for spraying enthalpy part is connected with spray enthalpy compression chamber, independent compression, lifting
The stability of rotary compressor, simple structure, it is easy to accomplish.
In some embodiments of the invention, in the axial direction of rotary compressor, second bearing, the second gas are disposed with
Cylinder, baffle assembly, the first cylinder and clutch shaft bearing.
In some embodiments of the invention, the baffle assembly is provided with middle pressure air cavity and venting channels, described one
The exhaust passage of level compression chamber is connected with medium pressure discharge chamber, and medium pressure discharge chamber is connected with the venting channels, each
The air intake passage in the two-stage compression chamber is connected with the venting channels.
In some embodiments of the invention, the baffle assembly include the first dividing plate and second partition, described first every
Plate is folded between the second partition and first cylinder, and second partition is folded between the first dividing plate and the second cylinder.
In some embodiments of the invention, first dividing plate is provided with first exhaust passage and medium pressure exhaust
Chamber, one end of the first exhaust passage is connected with the exhaust passage in the one stage of compression chamber, the first exhaust passage it is another
One end is connected with medium pressure discharge chamber, and the second partition is provided with the venting channels.
In some embodiments of the invention, first dividing plate is provided with first row air valve, the first exhaust passage
The other end be connected with medium pressure discharge chamber by the first row air valve.
In some embodiments of the invention, second cylinder is provided with exhaust passage and each institute of spray enthalpy compression chamber
State the exhaust passage in two-stage compression chamber；The second bearing be provided with second exhaust passage, at least one the 3rd exhaust passages and
High pressure gas chamber, the 3rd exhaust passage is identical with the number of the exhaust passage in the two-stage compression chamber and corresponds, and described the
One end of two exhaust passages with it is described spray enthalpy compression chamber exhaust passage be connected, the other end of the second exhaust passage with it is described
High pressure gas chamber is connected, and one end of the 3rd exhaust passage is connected with the exhaust passage in the two-stage compression chamber, and the described 3rd
The other end of exhaust passage is connected with the high pressure gas chamber.
In some embodiments of the invention, the second bearing is provided with second row air valve and at least one the 3rd exhausts
Valve, the 3rd exhaust passage it is identical with the number of the 3rd air bleeding valve and correspond, the second exhaust passage it is another
One end is connected by the second row air valve with the high pressure gas chamber, and the other end of the 3rd exhaust passage is by described the
Three air bleeding valves are connected with the high pressure gas chamber.
In some embodiments of the invention, the exhaust passage and each two-stage compression chamber of the spray enthalpy compression chamber
Exhaust passage is the otch being arranged on the internal perisporium of second cylinder.
In some embodiments of the invention, second slide plate is two, and the inside of second cylinder is separated
Go out two-stage compression chamber spaced apart and spray enthalpy compression chamber.
Brief description of the drawings
Fig. 1 is the in-built longitudinal section of the rotary compressor of the embodiment of the present invention；
Fig. 2 is the longitudinal section of the compression mechanical part of the rotary compressor of the embodiment of the present invention；
Fig. 3 is the structural representation of the cross section of the compression mechanical part of the rotary compressor of the embodiment of the present invention.
Reference：
Rotary compressor 100, clutch shaft bearing 1, the first cylinder 2, first piston 3, the first dividing plate 4, second partition 5, second
Cylinder 6, second piston 7, second bearing 8, bent axle 9, electric motor 10, housing 11, spray enthalpy part 12, knockout 13, second are slided
Piece 14, the air intake passage 15 in one stage of compression chamber, the air intake passage 61 of spray enthalpy compression chamber 66, two-stage compression chamber 62, spray enthalpy compression chamber
66 exhaust passage 63, the second vane slot 64, the air intake passage 65 in two-stage compression chamber 62, spray enthalpy compression chamber 66, two-stage compression chamber
62 exhaust passage 67.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with
Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
Rotary compressor of the invention 100 is described referring to Fig. 1-Fig. 3.Rotary compressor 100 can apply to
In refrigeration system, for compressing and driving the refrigerant in refrigeration system.
As shown in Figure 1-Figure 3, rotary compressor of the invention 100 includes housing 11, electric motor 10, the pressure of sealing
Contracting mechanism part and spray enthalpy part 12.
The electric motor 10 and compression mechanical part being made up of stator and rotor have been received in seal casinghousing 11.I.e. electronic electricity
Machine 10 is accommodated in housing 11, and compression mechanical part is accommodated in housing 11, and compression mechanical part drives rotation by electric motor 10.
As shown in Figure 1-Figure 3, compression mechanical part includes the first cylinder 2, first piston 3, the first slide plate (not shown), the
Two cylinders 6, second piston 7, multiple second slide plates 14.
First cylinder 2 is provided with one stage of compression chamber, is located in the first cylinder 2 to the eccentric rotary of first piston 3, the first cylinder 2
The first vane slot is provided with, the first slide plate is movably arranged in the first vane slot, the first slide plate stops and is against the outer of first piston 3
On perisporium, and the first slide plate reciprocable.Alternatively, rotary compressor 100 includes knockout 13, the air-breathing in one stage of compression chamber
Passage 15 is connected with the gas outlet of knockout 13.
It is located in the second cylinder 6 to the eccentric rotary of second piston 7, between circumference of multiple second slide plates 14 along the second cylinder 6
It is spaced apart, the second cylinder 6 is provided with multiple second vane slots 64, and multiple second vane slots 64 are with multiple second slide plates 14 one by one
Correspondence, each second slide plate 14 is movably arranged in the second vane slot 64, and each second slide plate 14 is only against the second work
On the periphery wall of plug 7, and each second slide plate 14 can be moved back and forth, and the inside of the second cylinder 6 is separated out spaced apart
Multiple compression chambers, multiple compression chambers be located at the second cylinder 6 internal perisporium and the periphery wall of second piston 7 between.Multiple compression
One in chamber is spray enthalpy compression chamber 66, and remaining compression chamber in multiple compression chambers is two-stage compression chamber 62.
Spray enthalpy part 12 is used for the cold media gas by the discharge from housing 11 by gas-liquid separator (not shown) qi leel
Entered in compression mechanical part again after, to realize spraying the effect of enthalpy.As shown in figure 1, the spray enthalpy mouthful of spray enthalpy part 12 and spray enthalpy
The air intake passage 61 of compression chamber 66 is connected, the air intake passage 65 in each two-stage compression chamber 62 with the exhaust passage in one stage of compression chamber
It is connected.
Alternatively, spray enthalpy part 12 can be the spray enthalpy pipeline being connected with gas-liquid separator.
When rotary compressor 100 works, the cold media gas from knockout 13 can be entered by the gas outlet of knockout 13
Enter the air intake passage 15 in one stage of compression chamber, by the eccentric rotary of first piston 3 by one stage of compression, the refrigerant gas after one stage of compression
Body is discharged to the air intake passage 65 in multiple two-stage compression chambers 62 from the exhaust passage in one stage of compression chamber.
Into the cold media gas of the air intake passage 65 in each two-stage compression chamber 62, by the eccentric rotary quilt of second piston 7
Two-stage compression, the cold media gas after two-stage compression are discharged in housing 11 by the exhaust passage 67 in two-stage compression chamber 62, or are entered
Continue to be compressed in the air intake passage of the other compression chamber of next stage.
Cold media gas in spray enthalpy part 12 enter into the air-breathing of spray enthalpy compression chamber 66 by spraying the spray enthalpy mouth of enthalpy part 12
Passage 61, the eccentric rotary by second piston 7 is compressed, and the cold media gas after compression are by the exhaust passage of spray enthalpy compression chamber 66
63 are discharged in housing 11, or enter the air intake passage of the other compression chamber of next stage, and continuation is compressed.Due to spray enthalpy compression chamber 66
It is spaced apart with two-stage compression chamber 62, therefore the cold media gas come in blowing enthalpy part 12 are independently pressed in spray enthalpy compression chamber 66
Contracting.
Thus, the rotary compressor 100 of the embodiment of the present invention, the spray enthalpy mouth of spray enthalpy part 12 directly with the second cylinder 6
Spray enthalpy compression chamber 66 is connected, so as to directly carry out independent compression to the cold media gas for carrying out blowing enthalpy part 12, not with other pressure
Cold media gas mixed, do not influenceed by other cold media gas pressure oscillations, thus spray enthalpy effect it is good, and run it is more steady
It is fixed, be conducive to lifting the performance of rotary compressor 100, and simple structure, it is easy to accomplish.
It is understood that in certain embodiments, as shown in Figure 1-Figure 3, rotary compressor 100 rotates for twin-tub twin-stage
Compressor 100, in the axial direction of rotary compressor 100, is disposed with second bearing 8, the second cylinder 6, baffle assembly, first
Cylinder 2 and clutch shaft bearing 1.
Certainly, in further embodiments, rotary compressor of the invention 100 can also be Multi-cylinder rotation compressor 100,
The compression mechanical part of Multi-cylinder rotation compressor 100 can also include other cylinders and the dividing plate for sealing other cylinders.
Rotary compressor 100 according to embodiments of the present invention is described in detail referring to Fig. 1-Fig. 3.As shown in Figure 1-Figure 3,
Rotary compressor 100 includes the housing 11 for sealing, the compression mechanical part and electric motor 10 that are arranged in the housing 11 of sealing, electricity
Dynamic motor 10 drives compression mechanical part rotation.
Compression mechanical part include bent axle 9, the first cylinder 2, first piston 3, the first slide plate (not shown), the second cylinder 6,
Second piston 7, two the second slide plates 14, baffle assembly, clutch shaft bearing 1 and second bearings 8.
In the axial direction of rotary compressor 100, the first cylinder 2 is folded between clutch shaft bearing 1 and baffle assembly, and first lives
It is located at filling in 3 eccentric rotaries in the first cylinder 2, and the first cylinder 2, clutch shaft bearing 1, baffle assembly, the first slide plate and first live
Plug 3 limits one stage of compression chamber jointly.
In the axial direction of rotary compressor 100, the second cylinder 6 is folded between second bearing 8 and baffle assembly, and second lives
It is located at filling in 7 eccentric rotaries in the second cylinder 6, two the second slide plates 14 are put along circumferentially-spaced the opening up of the second cylinder 6, such as Fig. 3
Shown, the second cylinder 6, second bearing 8, baffle assembly and two the second slide plates 14 for setting spaced apart limit two pressures jointly
Contracting chamber, two compressor reducers are respectively spray enthalpy compression chamber 66 and two-stage compression chamber 62.
The air intake passage 15 in one stage of compression chamber and the exhaust passage in one stage of compression chamber are arranged on the first cylinder 2, specifically
Ground, the air intake passage 15 in one stage of compression chamber is the suction hole being arranged on the first cylinder 2, and the exhaust passage in one stage of compression chamber can be with
It is the exhaust otch being arranged on the internal perisporium of the first cylinder 2.Alternatively, the cross section of exhaust otch is smooth curve, for example
Circular arc.
The air intake passage 61 of spray enthalpy compression chamber 66, exhaust passage 63, the air-breathing in two-stage compression chamber 62 of spray enthalpy compression chamber 66
Passage 65, the exhaust passage 67 in two-stage compression chamber 62 are each provided on the second cylinder 6, and specifically, the air-breathing of spray enthalpy compression chamber 66 is led to
The air intake passage 65 in road 61 and two-stage compression chamber 62 is the suction hole being arranged on the second cylinder 6, the exhaust of spray enthalpy compression chamber 66
The exhaust passage 67 in passage 63 and two-stage compression chamber 62 is the exhaust otch being arranged on the second cylinder 6.Alternatively, exhaust is cut
The cross section of mouth is smooth curve, such as circular arc.
Baffle assembly is provided with middle pressure air cavity, venting channels and first row air valve, the exhaust passage in one stage of compression chamber with
Middle pressure air cavity is connected, and middle pressure air cavity is connected with venting channels.
As depicted in figs. 1 and 2, baffle assembly include the first dividing plate 4 and second partition 5, the first dividing plate 4 be folded in second every
Between the cylinder 2 of plate 5 and first, second partition 5 is folded between the first dividing plate 4 and the second cylinder 6.
Wherein, the first dividing plate 4 is provided with first exhaust passage and middle pressure air cavity, and second partition 5 is provided with venting channels.
Alternatively, venting channels are the passage being arranged on second partition.
One end of first exhaust passage is connected with the exhaust passage in one stage of compression chamber, and the other end of first exhaust passage is with
Pressure air cavity is connected.Be additionally provided with first row air valve on first dividing plate 4, the other end of first exhaust passage by first row air valve with
Middle pressure air cavity is connected, and first row air valve can control the stream of the cold media gas that middle pressure air cavity is entered into from first exhaust passage
The size of amount and/or pressure.
Second bearing 8 is provided with second exhaust passage, the 3rd exhaust passage and high pressure gas chamber, the one of second exhaust passage
Hold and be connected with the exhaust passage 63 of spray enthalpy compression chamber 66, the other end of second exhaust passage is connected with high pressure gas chamber, the 3rd row
One end of gas passage is connected with the exhaust passage 67 in two-stage compression chamber 62, the other end and the high pressure gas chamber phase of the 3rd exhaust passage
Even.
Second row air valve and the 3rd air bleeding valve are also provided with second bearing 8, the other end of second exhaust passage passes through
Second row air valve is connected with high pressure gas chamber, and second row air valve can control to enter into high pressure gas chamber from second exhaust passage
The flow of cold media gas and/or the size of pressure, the other end of the 3rd exhaust passage is by the 3rd air bleeding valve and high pressure gas chamber
Be connected, the 3rd air bleeding valve can control from the 3rd exhaust passage enter into high pressure gas chamber cold media gas flow and/or pressure
The size of power.
In other embodiments of the invention, the quantity of the second slide plate 14 is not limited to two, the quantity of the second slide plate 14
Two can also be more than, so as to the inside division of the second cylinder 6 to be gone out the compression chamber more than two, including a spray enthalpy pressure
Contracting chamber 66 and multiple two-stage compression chambers 62.Correspondingly, the air intake passage in multiple two-stage compression chambers 62 can be provided with the second cylinder 6
65 and the exhaust passage 67 in multiple two-stage compression chambers 62, multiple 3rd exhaust passages, the multiple 3rd can be provided with second bearing 8
Air bleeding valve.
The exhaust passage 67 in two-stage compression chamber 62 is identical with the number of the 3rd exhaust passage and corresponds, and the 3rd exhaust is logical
The number of road and the 3rd air bleeding valve is identical and corresponds, i.e. the other end of an exhaust passage in two-stage compression chamber 62 67 passes through
One the 3rd air bleeding valve is connected with the 3rd exhaust passage.
Below according to Fig. 3, referring to Figures 1 and 2, the work of rotary compressor 100 according to embodiments of the present invention is described in detail
Make process：
Cold media gas from knockout 13 enter the air intake passage in one stage of compression chamber, by being passed sequentially through after one stage of compression
The exhaust passage in one stage of compression chamber, first exhaust passage, first row air valve, middle pressure air cavity, venting channels enter two-stage compression
The air intake passage 65 in chamber 62, high pressure gas are expelled to by passing sequentially through the 3rd exhaust passage, the 3rd air bleeding valve after two-stage compression
Chamber.This completes the two-stage compression to the cold media gas from knockout 13.
The cold media gas for carrying out blowing enthalpy part 12 are directly entered the air intake passage of spray enthalpy compression chamber 66, after overcompression successively
High pressure gas chamber is expelled to by spraying the exhaust passage 63 of enthalpy compression chamber 66, second exhaust passage, second row air valve.Thus complete
Carry out the independent compression of the cold media gas of blowing enthalpy part 12.
In short, rotary compressor 100 according to embodiments of the present invention, the cold media gas from knockout 13 are sequentially passed through
The two-stage compression in the two-stage compression chamber 62 in the one stage of compression in the one stage of compression chamber in the first cylinder 2 and the second cylinder 6, forms double
Level compression, the spray enthalpy compression chamber 66 of the second cylinder 6 forms independent compression, so that when rotary compressor 100 is duplex cylinder compressor,
Twin-tub, twin-stage spray enthalpy compression are realized, spray enthalpy compression is not influenceed by other pressure refrigerant gases, compression performance stabilization, structure
Simply, it is easy to accomplish.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of rotary compressor, it is characterised in that including：
The housing of sealing；
Electric motor, the electric motor is accommodated in the housing；
Compression mechanical part, the compression mechanical part is accommodated in the housing, and the compression mechanical part is driven by the electric motor
Dynamic rotation, the compression mechanical part includes：
First cylinder, first cylinder is provided with one stage of compression chamber；
Second cylinder；
Second piston, is located in second cylinder to the second piston eccentric rotary；
Multiple second slide plates, multiple second slide plates are put along circumferentially-spaced the opening up of second cylinder, and each described second
Slide plate is only against on the periphery wall of the second piston and moves back and forth, and the inside of second cylinder is separated out into interval
The multiple compression chambers opened, one in the multiple compression chamber is spray enthalpy compression chamber, and remaining is two-stage compression chamber；
Spray enthalpy part, the spray enthalpy mouthful of the spray enthalpy part is connected with the air intake passage of the spray enthalpy compression chamber, each described two grades
Exhaust passage of the air intake passage of compression chamber with the one stage of compression chamber is connected.
2. rotary compressor according to claim 1, it is characterised in that in the axial direction of rotary compressor, set gradually
There are second bearing, the second cylinder, baffle assembly, the first cylinder and clutch shaft bearing.
3. rotary compressor according to claim 2, it is characterised in that the baffle assembly be provided with middle pressure air cavity and
Venting channels, the exhaust passage in the one stage of compression chamber is connected with medium pressure discharge chamber, and medium pressure discharge chamber is logical with described
Gas passage is connected, and the air intake passage in each two-stage compression chamber is connected with the venting channels.
4. rotary compressor according to claim 3, it is characterised in that the baffle assembly includes the first dividing plate and second
Dividing plate, first dividing plate is folded between the second partition and first cylinder, and second partition is folded in the first dividing plate
Between the second cylinder.
5. rotary compressor according to claim 4, it is characterised in that first dividing plate is provided with first exhaust passage
With medium pressure discharge chamber, one end of the first exhaust passage is connected with the exhaust passage in the one stage of compression chamber, and described
The other end of one exhaust passage is connected with medium pressure discharge chamber, and the second partition is provided with the venting channels.
6. rotary compressor according to claim 5, it is characterised in that first dividing plate is provided with first row air valve,
The other end of the first exhaust passage is connected by the first row air valve with medium pressure discharge chamber.
7. rotary compressor according to claim 2, it is characterised in that second cylinder is provided with spray enthalpy compression chamber
Exhaust passage and the exhaust passage in each two-stage compression chamber；
The second bearing is provided with second exhaust passage, at least one the 3rd exhaust passages and high pressure gas chamber, the described 3rd
Exhaust passage is identical with the number of the exhaust passage in the two-stage compression chamber and corresponds, one end of the second exhaust passage
Exhaust passage with the spray enthalpy compression chamber is connected, and the other end of the second exhaust passage is connected with the high pressure gas chamber,
One end of 3rd exhaust passage is connected with the exhaust passage in the two-stage compression chamber, the other end of the 3rd exhaust passage
It is connected with the high pressure gas chamber.
8. rotary compressor according to claim 7, it is characterised in that the second bearing be provided with second row air valve and
At least one the 3rd air bleeding valves, the 3rd exhaust passage is identical with the number of the 3rd air bleeding valve and corresponds, described
The other end of second exhaust passage is connected by the second row air valve with the high pressure gas chamber, the 3rd exhaust passage
The other end is connected by the 3rd air bleeding valve with the high pressure gas chamber.
9. rotary compressor according to claim 7, it is characterised in that the exhaust passage of the spray enthalpy compression chamber and each
The exhaust passage in the two-stage compression chamber is the otch being arranged on the internal perisporium of second cylinder.
10. the rotary compressor according to any one of claim 1-9, it is characterised in that second slide plate is two,
Two-stage compression chamber spaced apart and spray enthalpy compression chamber are separated out with by the inside of second cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106355.4A CN106762642A (en) | 2016-12-05 | 2016-12-05 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106355.4A CN106762642A (en) | 2016-12-05 | 2016-12-05 | Rotary compressor |
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| CN109595163A (en) * | 2017-09-30 | 2019-04-09 | 广东美芝制冷设备有限公司 | For the middle baffle assembly of compressor and with its double-cylinder compressor |
| CN109915375A (en) * | 2019-04-17 | 2019-06-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor |
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| CN109595163A (en) * | 2017-09-30 | 2019-04-09 | 广东美芝制冷设备有限公司 | For the middle baffle assembly of compressor and with its double-cylinder compressor |
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