CN106089711A - Multi-cylinder rotation compressor and there is its refrigerating circulatory device - Google Patents
Multi-cylinder rotation compressor and there is its refrigerating circulatory device Download PDFInfo
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- CN106089711A CN106089711A CN201610576892.9A CN201610576892A CN106089711A CN 106089711 A CN106089711 A CN 106089711A CN 201610576892 A CN201610576892 A CN 201610576892A CN 106089711 A CN106089711 A CN 106089711A
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- cylinder
- suction nozzle
- compression chamber
- vane slot
- compressor
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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
- F04C23/005—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 dissimilar working principle
- F04C23/006—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 dissimilar working principle having complementary function
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/04—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of internal-axis type
-
- 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
- F04C18/3564—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 the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of Multi-cylinder rotation compressor and there is its refrigerating circulatory device.Multi-cylinder rotation compressor, housing is provided with the 1st suction nozzle and gas piping, and compression mechanical part includes: is provided with the 1st cylinder of the 1st compression chamber and is provided with the 2nd cylinder of the 2nd compression chamber, and the delivery space of the 1st cylinder is more than the delivery space of the 2nd cylinder；It is located at the median septum between the 1st cylinder and the 2nd cylinder；Bent axle, bent axle coordinates with the 1st piston and the 2nd piston respectively；The periphery of the 1st suction nozzle and the 1st cylinder connects and connects with the 1st compression chamber, and the periphery of gas piping and the 1st cylinder connects and connects with the 2nd compression chamber, and gas piping is the 2nd suction nozzle or the 2nd exhaustor.Multi-cylinder rotation compressor according to embodiments of the present invention, is possible to prevent the 2nd cylinder deformation, improves the aligning precision of compression mechanical part, it is simple to design and manufacture, can reduce cost.
Description
Technical field
The present invention relates to refrigerating field, especially relate to a kind of Multi-cylinder rotation compressor and there is its kind of refrigeration cycle dress
Put.
Background technology
The duplex-cylinder rotary compressor of two cylinders of configuration is possible not only to as speed-changing rotation compressor, it is also possible to adjustable for capacity
Whole positive displacement compressor.
Relative to single cylinder rotary compressor, cylinder is divided into multiple Multi-cylinder rotation compressors, because the thickness of cylinder becomes
It is little, so the rigidity of cylinder declines.Therefore, from hull outside, suction nozzle press-in is connected to cylinder periphery and becomes difficulty.
Especially the gas of intermediate pressure is supplied the suction nozzle in the gas injection mode of the little cylinder of delivery space even
Connect and become particularly difficult, simultaneously because connect suction nozzle, there is the aligning deteriorated accuracy of cylinder deformation and compression mechanical part
Problem.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, the present invention proposes a kind of Multi-cylinder rotation compressor, it is possible to prevent the 2nd cylinder deformation, improves compression mechanical part
Aligning precision.
The present invention also proposes a kind of refrigerating circulatory device with above-mentioned Multi-cylinder rotation compressor.
Multi-cylinder rotation compressor according to embodiments of the present invention, has received compression mechanical part and motor in the housing of sealing,
Described housing is provided with the 1st suction nozzle and gas piping, and described compression mechanical part includes: be provided with the 1st compression chamber the 1st cylinder and
Being provided with the 2nd cylinder of the 2nd compression chamber, described 1st cylinder is provided with the 1st vane slot, and described 2nd cylinder is provided with the 2nd vane slot, described
It is provided with the 1st piston of eccentric revolution in 1st compression chamber, in described 2nd compression chamber, is provided with the 2nd piston of eccentric revolution, the described 1st
It is provided with reciprocating 1st slide plate in vane slot, in described 2nd vane slot, is provided with reciprocating 2nd slide plate, described 1st vapour
The delivery space of cylinder is more than the delivery space of described 2nd cylinder；In being located between described 1st cylinder and described 2nd cylinder every
Plate；Bent axle, described bent axle coordinates to drive described 1st piston and the described 2nd with described 1st piston and described 2nd piston respectively
Piston rotation；Described 1st suction nozzle is connected with the periphery of described 1st cylinder and connects with described 1st compression chamber, described gas tube
Road is connected with the periphery of described 1st cylinder and connects with described 2nd compression chamber, and described gas piping is the 2nd suction nozzle or the 2nd row
Trachea.
Multi-cylinder rotation compressor according to embodiments of the present invention, by being located at the 1st cylinder by the 1st suction nozzle and gas piping
On, such that it is able to prevent the 2nd cylinder deformation, improve the aligning precision of compression mechanical part, it is simple to design and manufacture, can reduce into
This.
In some embodiments of the invention, on the imaginary plane that the rotation axis with described bent axle intersects vertically, institute
State the angle between the 1st vane slot and the 2nd vane slot or the angle between described 1st suction nozzle and described gas piping at 10 °
In the range of 180 °.
In some embodiments of the invention, the periphery wall of described 1st cylinder is fixed on the internal perisporium of described housing.
In some embodiments of the invention, described gas piping is the 2nd suction nozzle, described 1st suction nozzle and the described 2nd
The pressure of inspiration(Pi) of suction nozzle is different.
In some embodiments of the invention, described gas piping is the 2nd exhaustor, sucks from described 1st suction nozzle
Gas, according to the order from described 1st compression chamber to described 2nd compression chamber, discharges from described 2nd exhaustor.
In some embodiments of the invention, described 2nd vane slot connects with in described housing.
Refrigerating circulatory device according to embodiments of the present invention, including composition refrigerant circulation circuit Multi-cylinder rotation compressor,
Condenser, expansion gear and vaporizer, described Multi-cylinder rotation compressor is the Multi-cylinder rotation pressure according to the above embodiment of the present invention
Contracting machine.
Refrigerating circulatory device according to embodiments of the present invention, by arranging Multi-cylinder rotation according to the above embodiment of the present invention
Compressor, is possible to prevent the 2nd cylinder deformation, improves the aligning precision of compression mechanical part, it is simple to design and manufacture, can reduce into
This.
Further, refrigerating circulatory device also includes gas-liquid separator, and the gas outlet of described gas-liquid separator is with described
1st compression chamber connects with one of them in described 2nd compression chamber.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the refrigerating circulatory device according to the embodiment of the present invention；
Fig. 2 is the decomposing schematic representation of the compression mechanical part according to the embodiment of the present invention 1；
Fig. 3 is the profile in S-S direction in Fig. 1；
Fig. 4 is the plane graph of the 2nd cylinder being provided with the 2nd piston and the 2nd slide plate；
Fig. 5 is the profile in Y2-Z-X3 direction in Fig. 3；
Fig. 6 is the profile in X1-Z-X2 direction in Fig. 3；
Fig. 7 is the profile of the rotary compressor according to the embodiment of the present invention 2；
Fig. 8 is the profile of the rotary compressor according to the embodiment of the present invention 3；
Fig. 9 is the profile of the rotary compressor according to the embodiment of the present invention 4.
Reference:
Duplex-cylinder rotary compressor 1, housing 2, motor 4, rotor 4b,
Compression mechanical part 5, bent axle 30, base bearing 40, supplementary bearing the 45, the 1st cylinder the 10, the 1st compression chamber 10a, the 1st vane slot
13, median septum the 50, the 2nd cylinder the 20, the 2nd compression chamber 20a, the 2nd vane slot the 23, the 2nd slide plate chamber 23a, suction muffler 22, intercommunicating pore
51, the 2nd suction hole 14, vertical suction hole 14a, median septum intercommunicating pore 52, air-breathing groove 22a, the 1st steam vent 43a, the 2nd steam vent
47a, the 1st piston 36a, the 2nd piston 36b, the 2nd slide plate 35b, the 1st slide plate 35a, sliding blade spring 38, balancing orifice 23b, intermediate pressure are inhaled
Pore 54, tandem pore 18,
1st deafener the 41, the 2nd deafener 46, deafener steam vent 41a, high-pressure passage 56,
1st suction nozzle the 6, the 2nd suction nozzle 8,
1st exhaustor 3a, cross valve 105, condenser the 100, the 1st expansion valve 102a, gas-liquid separator the 108, the 2nd expansion valve
102b, outdoor heat exchanger 110, fluid reservoir the 107, the 2nd exhaustor 3b,
Gas coolant supply pipe 103.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to
The embodiment that accompanying drawing describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Multi-cylinder rotation compressor 1 according to embodiments of the present invention, wherein Multi-cylinder rotation is described in detail below with reference to Fig. 1-Fig. 9
Compressor 1 can be that vertical rotary compressor can also be for Horizontai rotary compressor, and wherein Multi-cylinder rotation compressor 1 can be double
Rotary compressor more than cylinder rotary compressor, triplex and triplex.
Multi-cylinder rotation compressor 1 according to embodiments of the present invention, has received compression mechanical part 5 and electricity in the housing 2 of sealing
Machine 4, housing 2 is provided with the 1st suction nozzle 6 and gas piping, and compression mechanical part 5 includes: the 1st cylinder the 10, the 2nd cylinder 20, in every
Plate 50 and bent axle 30.Wherein the 1st cylinder 10 is provided with the 1st compression chamber 10a, and the 2nd cylinder 20 is provided with the 2nd compression chamber 20a, the 1st cylinder
10 are provided with the 1st vane slot 13, and the 2nd cylinder 20 is provided with the 2nd vane slot 23, be provided with the 1st of eccentric revolution and live in the 1st compression chamber 10a
Plug 36a, is provided with the 2nd piston 36b of eccentric revolution, is provided with the reciprocating 1st sliding in the 1st vane slot 13 in the 2nd compression chamber 20a
Sheet 35a, is provided with reciprocating 2nd slide plate 35b in the 2nd vane slot 23, the delivery space of the 1st cylinder 10 is more than the 2nd cylinder 20
Delivery space.
Median septum 50 is located between the 1st cylinder the 10 and the 2nd cylinder 20.Bent axle 30 is joined with the 1st piston 36a and the 2nd piston 36b
Close to drive the 1st piston 36a and the 2nd piston 36b to rotate, specifically, be enclosed within the eccentric part of bent axle 30 outside the 1st piston 36a, the
It is enclosed within the eccentric part of bent axle 30 outside 2 piston 36b.
1st suction nozzle 6 is connected with the periphery of the 1st cylinder 10 and connects with the 1st compression chamber 10a, gas piping and the 1st cylinder
The periphery of 10 connects and connects with the 2nd compression chamber 20a, and gas piping is the 2nd suction nozzle or the 2nd exhaustor.In the present invention one
In a little examples, when gas piping is 2 suction nozzle, the coolant in the 1st suction nozzle 6 is pressed in being drained into the 1st compression chamber 10a
Contracting, the coolant in the 2nd suction nozzle is compressed in being drained into the 2nd compression chamber 20a, from the 1st compression chamber 10a discharge coolant and from
The coolant that 2nd compression chamber 20a discharges is drained in housing 2 respectively.In other examples of the present invention, when gas piping is
During 2 exhaustor, it is drained into the 2nd compression chamber 20a from the coolant of the 1st compression chamber 10a discharge and is compressed, through the 2nd compression chamber
Coolant after 20a compression is discharged from the 2nd exhaustor.In other words, when gas piping is 2 exhaustor, inhale from the 1st suction nozzle 6
The gas entered, according to the order from the 1st compression chamber 10a to the 2nd compression chamber 20a, discharges from the 2nd exhaustor.
Multi-cylinder rotation compressor 1 according to embodiments of the present invention, by being located at the 1st vapour by the 1st suction nozzle 6 and gas piping
On cylinder 10, such that it is able to prevent the 2nd cylinder 20 from deforming, improve the aligning precision of compression mechanical part 5, it is simple to design and manufacture, can
To reduce cost.
In some embodiments of the invention, on the imaginary plane that the rotation axis with bent axle 30 intersects vertically, the 1st is sliding
Angle between film trap the 13 and the 2nd vane slot 23 or the angle between the 1st suction nozzle 6 and gas piping are at the model of 10 ° to 180 °
In enclosing.It is to say, on imaginary plane, the angle between the 1st vane slot the 13 and the 2nd vane slot 23 is at the model of 10 ° to 180 °
In enclosing, the angle between the 1st suction nozzle 6 and gas piping in the range of 10 ° to 180 °, wherein imaginary plane and bent axle 30
Rotation axis intersects vertically.
In some concrete examples of the present invention, the periphery wall of the 1st cylinder 10 is fixed on the internal perisporium of housing 2.Certainly
In other ways compression mechanical part 5 is fixed on the internal perisporium of housing 2 it is understood that can also adopt, such as will in every
Plate 50 is fixed on the internal perisporium of housing 2.
In some embodiments of the invention, gas piping is the 2nd suction nozzle, the suction of the 1st suction nozzle the 6 and the 2nd suction nozzle
Atmospheric pressure is different, say, that flow into the coolant pressure in the 1st suction nozzle 6 with the coolant pressure flowed in the 2nd suction nozzle not
With.
In some embodiments of the invention, the 2nd vane slot 23 connects in housing 2.Thus utilize the intrinsic pressure of housing 2 and
2nd slide plate 35b is pressed on the 2nd piston 36b by the pressure reduction between the 2nd compression chamber 20a, omits sliding blade spring, can be further
Improve the rigidity of the 2nd cylinder 20.
Refrigerating circulatory device according to embodiments of the present invention, including composition refrigerant circulation circuit Multi-cylinder rotation compressor 1,
Condenser, expansion gear and vaporizer, Multi-cylinder rotation compressor 1 is the Multi-cylinder rotation compressor according to the above embodiment of the present invention
1.It is understood that the connected mode between Multi-cylinder rotation compressor 1, condenser, expansion gear and vaporizer can use
Connected mode of the prior art.It will be further understood that refrigerating circulatory device can be single cold type air-conditioner, cold-warm type
The devices such as air-conditioner.
Refrigerating circulatory device according to embodiments of the present invention, by arranging Multi-cylinder rotation according to the above embodiment of the present invention
Compressor 1, is possible to prevent the 2nd cylinder 20 to deform, and improves the aligning precision of compression mechanical part 5, it is simple to design and manufacture, can drop
Low cost.
In further embodiment of the present invention, refrigerating circulatory device also includes gas-liquid separator 108, gas-liquid separator
The gas outlet of 108 connects with one of them in the 1st compression chamber 10a and the 2nd compression chamber 20a.
The Multi-cylinder rotation compressor 1 according to the several specific embodiment of the present invention is described in detail, wherein below with reference to Fig. 1-Fig. 9
Multi-cylinder rotation compressor 1 is duplex-cylinder rotary compressor.
Embodiment 1:
Fig. 1 is to include the duplex-cylinder rotary compressor 1 with two cylinders and be connected with this compressor and configure gas injecting
The schematic diagram of the refrigerating circulatory device of mode.Duplex-cylinder rotary compressor 1 has the change changing running speed in the housing 2 sealed
Frequently formula motor 4 and the compression mechanical part 5 being configured at motor 4 bottom.
Compression mechanical part 5 includes the base bearing 40 that bent axle 30 fixing for the rotor 4b with motor 4 is slidably matched with bent axle 30
And supplementary bearing 45, the 1st cylinder 10 of aligning assembling, median septum the 50 and the 2nd cylinder 20 between these bearings, divide at above-mentioned bearing
Pei Zhi the 1st deafener the 41 and the 2nd deafener 46.
Compression mechanical part 5 is fixed to shell by the way of the periphery wall of the 1st cylinder 10 and the internal perisporium electric arc spot welding of housing 2
On body 2.Perforate is respectively pressed into connection the 1st suction nozzle the 6 and the 2nd suction nozzle 8 in two suction holes of the periphery wall of the 1st cylinder 10,
1st suction nozzle the 6 and the 2nd suction nozzle 8 irons the periphery wall being soldered to housing 2.
The pressurized gas refrigerant that 1st exhaustor 3a discharges be flowed in condenser 100 via cross valve 105 become condensing cold
Matchmaker.Condensation coolant declines the mixing coolant becoming liquids and gases by pressure after the 1st expansion valve 102a, and mixing coolant is flowed into
Gas-liquid separator 108.
The gas coolant of the isolated intermediate pressure of gas-liquid separator 108 is flowed into the 2nd suction from gas coolant supply pipe 103
Trachea 8.The liquid refrigerants of supercooling side flows to the 2nd expansion valve 102b and becomes low-pressure gas coolant.Low-pressure gas coolant via
Outdoor heat exchanger 110 and fluid reservoir 107 flow into the 1st suction nozzle 6.It is to say, the pouring-in kind of refrigeration cycle of this gas is to heat mould
Formula, improves heating performance and efficiency.
In this kind of refrigeration cycle, the 1st suction nozzle 6 sucks low-pressure gas coolant, and the 2nd suction nozzle 8 sucks the gas of intermediate pressure
Body coolant.Compared with the cold medium flux (quality) of the 1st suction nozzle 6, the cold medium flux of the 2nd suction nozzle 8 is typically 10～20%
In the range of.And, the pressure of the 1st suction nozzle 6 is low pressure, and the pressure of the 2nd suction nozzle 8 is intermediate pressure, so the 2nd cylinder 20
Compression ratio (pressure at expulsion and pressure of inspiration(Pi) ratio) is little.Accordingly, with respect to the delivery space of the 1st cylinder 10, the aerofluxus of the 2nd cylinder 20
Volume significantly diminishes.
Such as, Fig. 1 is duplex-cylinder rotary compressor and the kind of refrigeration cycle being applied to domestic air conditioning (using coolant R410A).1st
The delivery space of cylinder 10 is 10cc, and compression ratio is 3.4；After the compression ratio of the 2nd cylinder 20 is 1.6, the aerofluxus of the 2nd cylinder 20 is held
Long-pending about 0.7cc, the delivery space of the 2nd cylinder 20 becomes the 7% of the delivery space of the 1st cylinder 10.But, the 2nd suction nozzle 8
Cold medium flux is the 15% of the cold medium flux of the 1st suction nozzle 6.
So, the delivery space of the 2nd cylinder 20 diminishes, cylinder height diminishes, and the 2nd suction nozzle 8 is pressed directly into connection
Difficulty will be become to the 2nd cylinder 20.The periphery wall of the 2nd cylinder 20 that rigidity is weak can not be fixed on housing 2, so from housing 2
Outside the periphery that the 2nd suction nozzle 8 is directly connected to the 2nd cylinder 20 will be become more difficult.
As the solution of this problem, the feature of embodiment 1 is, at the 1st cylinder 10 of the internal perisporium being fixed on housing 2
Upper press-in connects the 1st suction nozzle the 6 and the 2nd suction nozzle 8, and the 1st suction nozzle 6 is connected with the 1st compression chamber 10a of the 1st cylinder 10, and the
2 suction nozzles 8 are connected with the 2nd compression chamber 20a of the 2nd cylinder 20.
Fig. 2 is the parts expanded view constituting compression mechanical part 5, clearly illustrates the 1st vane slot 13 He of the 1st cylinder 10
Angle of release (angle) between 2nd vane slot 23 of the 2nd cylinder 20, the company from the 2nd suction nozzle 8 to the suction muffler 22 of the 2nd cylinder 20
Take back road.But, eliminate the expression of a part of parts.
In Fig. 2, the circular flat of the 1st cylinder 10 configures at equal intervals four screw holes 16a, 16b, 16c, 16d with in every
Plate the 50, the 2nd cylinder 20 is consistent with four screw holes 53 that supplementary bearing 45 is respectively configured, and these parts pass through four lower screws
55b (shown in Fig. 6), is fixed on the 1st cylinder 10.And, the intercommunicating pore 51 of above-mentioned whole parts configuration is positioned at identical
Position, the aerofluxus becoming the 2nd deafener 46 moves to the intercommunicating pore 51 (with reference to Fig. 1 and Fig. 5) of the 1st deafener 41.
In the 1st suction nozzle the 6 and the 2nd suction nozzle 8 being connected with the 1st cylinder 10, the 1st suction nozzle 6 and common rotation pressure
Contracting machine is the same, perforate is in the 1st compression chamber 10a.2nd suction nozzle 8 is via being machined in the 2nd suction hole 14 of the 1st cylinder 10 and vertical suction
Pore 14a, the suction muffler 22 of median septum intercommunicating pore the 52, the 2nd cylinder 20 of median septum 50, order and the 2nd compression of air-breathing groove 22a
Chamber 20a connects.Therefore, the gas coolant being flowed into the 2nd suction nozzle 8 can flow out to the 2nd compression chamber 20a.It addition, vertical suction hole
The upper end of 14a is closed；And the 2nd steam vent 47a perforate of supplementary bearing 45 is on the 2nd compression chamber 20a.
Fig. 3 is the S-S cross section of Fig. 1 compression mechanical part 5, quantitatively shows the content of Fig. 2.In Fig. 3, connect the 1st vane slot 13
The 2nd vane slot 23 (the dotted line institute with the centrage (datum line) of the 1st cylinder 10 at the 1st compression chamber 10a center with the 2nd cylinder 20
Show) angle be θ, θ be the cross section angle of X1-Z-Y1, be designed as about 32 °.The center of this angle theta and the 2nd suction nozzle 8
Center is consistent.Identical in the pitch (distances in two holes) of the total of four screw hole of above-mentioned centrage lateral symmetry distribution, be
The relation that line is symmetrical.It is to say, the angle of the center of the 1st vane slot 13 and screw hole 16d is 45 °.
In embodiment 1, the 2nd suction nozzle 8 connects the condition set up and is with the suction muffler 22 of the 2nd cylinder 20: 1. at the 1st cylinder
In 10, configurable 2nd suction nozzle 8 and vertical suction hole 14a between the 1st vane slot 13 and screw hole 16d；2. in the 2nd cylinder 20,
2nd vane slot 23 must configure within the above range.As shown in Figure 3, if above-mentioned angle theta is at about 32 °, so that it may on Man Zuing
State two conditions.
But, angle theta is according to the caliber of the 2nd suction nozzle 8 and vane slot width, the 1st vane slot 13 and the chi of screw hole 16d
Very little change.The angle of the 1st suction nozzle the 6 and the 2nd suction nozzle 8 is about 40 °, and this angle is also with the 1st suction nozzle the 6 and the 2nd suction nozzle 8
Caliber etc. and change.Therefore, angle theta is not fixed value, but needs to select as required optimal value.
It follows that relative to the 1st compression chamber 10a, the internal diameter of the 2nd compression chamber 20a (dotted line) is little, the 1st row of base bearing 40
Pore 43a (dotted line) and the 2nd steam vent 47a (dotted line) perforate on respective compression chamber of supplementary bearing 45.1st piston 36a and
The eccentric gyratory directions of the 2nd piston 36b (not shown) is counterclockwise, as see arrows 17 in fig 3.
In the rotation every time of bent axle 30, the 1st compression chamber 10a and the 2nd compression chamber 20a independently carries out air-breathing and aerofluxus, each
Air-breathing start between angle and aerofluxus angle at the end produce phase angle.This phase angle, is the 1st suction nozzle the 6 and the 2nd air-breathing respectively
The angle of pipe 8, the 2nd steam vent 47a and the angle of the 1st steam vent 43a.By the increase at above-mentioned phase angle, compression moment of torsion increases；
Have in the design of the biggest difference two compression chamber delivery spaces, also ignore the increase of moment of torsion variation.
Fig. 4 is the 2nd piston 36b and the plane graph of the 2nd slide plate 35b of the 2nd cylinder the 20, the 2nd compression chamber 20a configuration.In
In the 2nd compression chamber 20a that footpath is little the offset design of the 2nd piston 36b of eccentric revolution little after, the reciprocal row of the 2nd slide plate 35b
Cheng Bian little.
Configure sliding blade spring 38 on 1st slide plate 35a, therefore, cancel and the 2nd slide plate 35b is pressed against the 2nd piston 36b periphery
The sliding blade spring of wall and spring eye, it is possible to guarantee the rigidity of the 2nd cylinder 20.However, it is desirable in the backend arrangement of the 2nd vane slot 23
Path (1～2mm) the balancing orifice 23b that 2nd slide plate chamber 23a connects with the inside of housing 2.It is to say, by the housing 2 sealed
Intrinsic pressure and the 2nd compression chamber 20a between pressure differential, the tip of the 2nd slide plate 35b and the periphery wall contact of the 2nd piston 36b or de-
From.
So, after the 2nd compression chamber 20a that diminishes, cancellation sliding blade spring, the 2nd cylinder 20 rigidity can promote, the 2nd vapour
The periphery wall of cylinder 20 is formed as circular, and the diameter of the periphery wall of the 2nd cylinder 20 can be equivalent to outside median septum 50 or supplementary bearing 45
Footpath.But, the 2nd cylinder 20 thickness is little, so the 2nd vane slot 23 can not carry out broaching tool processing as in the past, can pass through milling machine
Processing ensures that cylinder will not deform, realize high accuracy processing.And, the material volume of the 2nd cylinder 20 is little, is that one direction just may be used
The design of molding, uses powder metallurgically manufacturing, it is possible to reduce cost.
Fig. 5 is the Y2-Z-X3 sectional view of Fig. 3, illustrates and flows from the coolant of the 2nd suction nozzle 8 to the 1st deafener 41.
The gas coolant flowed into from the 2nd suction nozzle 8, according to the 2nd suction hole 14, vertical suction hole 14a, median septum intercommunicating pore the 52, the 2nd cylinder
The order of the suction muffler 22 of 20 flows into, and the gases at high pressure compressed at the 2nd compression chamber 20a are from the 2nd steam vent 47a of supplementary bearing 45
Flow to the 2nd deafener 46.
Gases at high pressure in 2nd deafener 46 flow out to the 1st deafener 41 from intercommunicating pore 51, and from the 1st compressor 10a's
The coolant mixing that 1st steam vent 43a discharges.Thereafter, the inside of housing 2 it is discharged to from deafener steam vent 41a.Therefore, the 1st pressure
The pressure at expulsion of contracting chamber 10a and the 2nd compression chamber 20a is suitable.Here, the 1st eccentric shaft 31a and the 2nd eccentric shaft 31b of bent axle 30,
As conventional duplex-cylinder rotary compressor, the angle of 180 ° to.
Fig. 6 is the X1-Z-X2 sectional view of Fig. 3, and Fig. 6 illustrates the structure of the 1st cylinder 10, the 2nd cylinder shown with Fig. 5
The structure of 20, supplements the detailed of compression mechanical part 5.The screwing 55a and lower screw 55b of 4 groups, is fixed on and is arranged in the 1st vapour
On four screw holes 16 on cylinder 10, the aligning completing to constitute the parts of compression mechanical part 5 assembles.
Constitute the periphery of the 1st cylinder 10 of the high rigidity of compression mechanical part 5, be fixed on the internal diameter of housing 2, in this side
The 1st suction nozzle the 6 and the 2nd suction nozzle 8 that press-in connecting external diameter is different.So, the 1st cylinder of high rigidity is fixed to housing 2
Internal diameter on, press-in connect two suction nozzles design, optimal in terms of performance, reliability and manufacturing.
Embodiment 2:
Embodiment 2 shown in Fig. 7, is configuration the 2nd suction nozzle 8, screw hole 16d between the 1st vane slot 13 and screw hole 16d
And between screw hole 16c, configure the design of the 2nd vane slot 23 of the 2nd cylinder 20.Embodiment 2, relative to embodiment 1, can expand
The gas passage of the 2nd suction nozzle 8 and vertical suction hole 14a etc., improves gettering efficiency, it is adaptable to increase considerably the 2nd cylinder 20
The design of delivery space.
But, according to this change, the angle (Y2-Z-Y1) of the 2nd vane slot 23 and suction muffler 22 expands, the 2nd compressor
Effective delivery space of 20a reduces multiple %, can be adjusted by increasing the delivery space of the 2nd compression chamber 20a.
Embodiment 3:
About the quantity of the screw hole of the 1st cylinder 10, for majority, the rotary compressor below 1.5HP level is 4,
And in more than 2HP level, it is 5.By increasing screw hole the 16, the 1st vane slot 13 and the narrower intervals of screw hole 16e, wherein
Between, as in Example 1 configuration the 2nd suction nozzle the 8 and the 2nd vane slot 23 will become difficulty.Embodiment 3 shown in Fig. 8, as
The solution of this problem, configures the 2nd suction nozzle the 8 and the 2nd vane slot 23 between screw hole 16d and 16e.
As it has been described above, along with the angle theta of the 1st vane slot the 13 and the 2nd vane slot 23 increases, the revolution torsion that two cylinders are relevant
Square reducing effect declines, and therefore, the tendency that rotary vibration increases occurs.But, relative to the 1st cylinder 10, at the 2nd cylinder 20
In the design that delivery space is the least, rotary torque reducing effect will not be widely varied.Such as, relative to the 1st cylinder
When the delivery space of the 10, the 2nd cylinder 20 is less than 20%, even if the angle theta of the 1st vane slot the 13 and the 2nd vane slot 23 is 180 °,
Rotary vibration increase is the most in allowed limits.
Embodiment 4:
Rotary compressor shown in Fig. 9, is the design example that is employed as two sections of compressions of above-described embodiment cylinder.From
The low-pressure gas that 1 suction nozzle 6 sucks, is flowed into the 1st compression chamber 10a, is compressed.It is discharged to the 1st noise reduction from the 1st steam vent 43a
The intermediate-pressure gas of device 41, is discharged to housing 2.
Intermediate-pressure gas in housing 2 is flowed into the 2nd compression chamber 20a from intermediate pressure suction hole 54 and is compressed becoming high
Calming the anger body, gases at high pressure are discharged to the 2nd deafener 46 sealed from the 2nd steam vent 47a.Thereafter, gases at high pressure are led to by high pressure
Road 56, via the 1st cylinder 10 tandem pore 18, be discharged to the condenser of kind of refrigeration cycle from the 2nd exhaustor 3b.Tandem pore
18, be equivalent to embodiment 1 and arrive the vertical suction hole 14a shown in embodiment 3.
Embodiment 4 is that to the 2nd suction nozzle 8 shown in embodiment 3, embodiment 1 is become the 2nd exhaustor 3b.Therefore, Fig. 1 institute
The 1st exhaustor 3a shown can cancel.Therefore, embodiment 4, the 2nd of the 1st cylinder 10 of two sections of rotary compressors the will be connected to
Suction nozzle 8, applies flexibly as the 2nd exhaustor 3b.
Embodiment 1 to 4, is the application of duplex-cylinder rotary compressor；Even if it is in the rotary compressor of triplex or four cylinders, above-mentioned
The application of publicity technology also can easily realize.
The Multi-cylinder rotation compressor of the present invention, can be carried to air-conditioning, refrigerating plant, water heater, vehicle-mounted refrigerating plant and
On vehicle-mounted air-conditioning etc..It addition, can be also applied on horizontal Multi-cylinder rotation compressor.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature 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 " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.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 in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (8)
1. a Multi-cylinder rotation compressor, it is characterised in that received compression mechanical part and motor, described shell in the housing of sealing
Body is provided with the 1st suction nozzle and gas piping, and described compression mechanical part includes:
Being provided with the 1st cylinder of the 1st compression chamber and be provided with the 2nd cylinder of the 2nd compression chamber, described 1st cylinder is provided with the 1st vane slot,
Described 2nd cylinder is provided with the 2nd vane slot, is provided with the 1st piston of eccentric revolution, in described 2nd compression chamber in described 1st compression chamber
It is provided with the 2nd piston of eccentric revolution, is provided with reciprocating 1st slide plate in described 1st vane slot, sets in described 2nd vane slot
Having reciprocating 2nd slide plate, the delivery space of described 1st cylinder is more than the delivery space of described 2nd cylinder；
It is located at the median septum between described 1st cylinder and described 2nd cylinder；
Bent axle, described bent axle coordinates to drive described 1st piston and the described 2nd with described 1st piston and described 2nd piston respectively
Piston rotation；
Described 1st suction nozzle is connected with the periphery of described 1st cylinder and connects with described 1st compression chamber, described gas piping with
The periphery of described 1st cylinder connects and connects with described 2nd compression chamber, and described gas piping is the 2nd suction nozzle or the 2nd aerofluxus
Pipe.
Multi-cylinder rotation compressor the most according to claim 1, it is characterised in that vertical with the rotation axis of described bent axle
On the imaginary plane intersected, angle between described 1st vane slot and the 2nd vane slot or described 1st suction nozzle and described gas
Angle between body pipeline is in the range of 10 ° to 180 °.
Multi-cylinder rotation compressor the most according to claim 1, it is characterised in that the periphery wall of described 1st cylinder is fixed on
On the internal perisporium of described housing.
Multi-cylinder rotation compressor the most according to claim 1, it is characterised in that described gas piping is the 2nd suction nozzle, institute
State the 1st suction nozzle different with the pressure of inspiration(Pi) of described 2nd suction nozzle.
Multi-cylinder rotation compressor the most according to claim 1, it is characterised in that described gas piping is the 2nd exhaustor, from
The gas that described 1st suction nozzle sucks, according to the order from described 1st compression chamber to described 2nd compression chamber, from described 2nd row
Trachea is discharged.
Multi-cylinder rotation compressor the most according to claim 1, it is characterised in that in described 2nd vane slot and described housing
Connection.
7. a refrigerating circulatory device, it is characterised in that include forming the Multi-cylinder rotation compressor of refrigerant circulation circuit, condensation
Device, expansion gear and vaporizer, described Multi-cylinder rotation compressor is according to the Multi-cylinder rotation according to any one of claim 1-6
Compressor.
Refrigerating circulatory device the most according to claim 7, it is characterised in that also include that gas-liquid separator, described gas-liquid divide
Gas outlet from device connects with one of them in described 1st compression chamber and described 2nd compression chamber.
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| CN201610576892.9A CN106089711B (en) | 2016-07-20 | 2016-07-20 | Multi-cylinder rotation compressor and refrigerating circulatory device with it |
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| CN201610576892.9A CN106089711B (en) | 2016-07-20 | 2016-07-20 | Multi-cylinder rotation compressor and refrigerating circulatory device with it |
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| CN108799116A (en) * | 2018-08-03 | 2018-11-13 | 天津商业大学 | The single-stage compressor with rolling rotor of four ten grades of cylinder displacements |
| CN108799115A (en) * | 2018-08-03 | 2018-11-13 | 天津商业大学 | Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity |
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| CN115539382A (en) * | 2022-12-02 | 2022-12-30 | 沈阳海龟医疗科技有限公司 | Oil-free vortex type vacuum compression all-in-one machine based on VPSA technology |
| CN115591367A (en) * | 2022-11-30 | 2023-01-13 | 沈阳海龟医疗科技有限公司（Cn） | Vacuum compression all-in-one machine of reciprocating type VPSA technique |
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