CN109595166A - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN109595166A CN109595166A CN201710944854.9A CN201710944854A CN109595166A CN 109595166 A CN109595166 A CN 109595166A CN 201710944854 A CN201710944854 A CN 201710944854A CN 109595166 A CN109595166 A CN 109595166A
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- Prior art keywords
- partition
- exhaust
- bearing
- pressure chamber
- cylinder
- Prior art date
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Links
- 238000005192 partition Methods 0.000 claims abstract description 131
- 230000006835 compression Effects 0.000 claims abstract description 57
- 238000007906 compression Methods 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000011148 porous material Substances 0.000 claims description 14
- 239000003507 refrigerant Substances 0.000 abstract description 50
- 230000010349 pulsation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 206010008469 Chest discomfort Diseases 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000003462 vein Anatomy 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
- F04C23/008—Hermetic pumps
-
- 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
- F04C2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
Abstract
The invention discloses a kind of compressors, comprising: shell；Compression mechanism, compression mechanism include: first order cylinder；Second level cylinder；Middle partition, middle partition are folded between first order cylinder and second level cylinder；First bearing, first bearing cooperate in the side far from middle partition of first order cylinder, and middle partition is equipped with the air intake passage of connection the second suction hole and middle pressure chamber；Wherein, middle pressure chamber is limited between the periphery wall of shell and middle partition, first bearing, first order cylinder.Compressor according to the present invention, bearing side exhaust partition can limit the first exhaust passage for being connected to middle pressure chamber with bearing main body, and bulkhead sides exhaust partition can limit the second exhaust channel for being connected to middle pressure chamber with main partition.Refrigerant can enter middle pressure chamber by first exhaust passage and second exhaust channel, it is possible thereby to increase the delivery space of compression mechanism, reduce the exhaust resistance of compression mechanism, reduce the air-breathing pulsation of second level cylinder, so as to reduce the work noise of compressor.
Description
Technical field
The present invention relates to compressor fields, more particularly, to a kind of compressor.
Background technique
Twin-tub rotation-type compressor generally includes closing shell, crankshaft, first order cylinder, second level cylinder and setting the
Middle partition between level-one cylinder and second level cylinder etc., is equipped with the roller driven by crankshaft in each cylinder, and roller exists
It is rotated in the cylinder under the drive of crankshaft and refrigerant is compressed.Refrigerant gas is pressed in first order cylinder first
Contracting, refrigerant gas is entered in the cylinder of the second level by the exhaust passage on middle partition after the completion of compression, again by second level cylinder
It is discharged out of compressor after second compression.
In existing high-low pressure segmentation two-stage compressor, in compression case body otherwise be high pressure chest or be low pressure chamber or
Middle pressure chamber structure, refrigerant entirety intermediate links are simultaneously unreasonable.To improve this status, some materials of the relevant technologies propose shell
The split-compressor structure of internal high-low pressure segmentation.This split-compressor structure, by motor side in shell and pump housing side
It separates, the refrigerant of pump housing discharge is no longer discharged from motor side, and is only discharged from pump housing side, such refrigerant stroke
It greatly shortens, also avoids refrigerant influence caused by motor.
The specific flow process of refrigerant of this split-compressor structure is as follows, and refrigerant gas is in first order cylinder internal pressure
After contracting, second level cylinder is entered by the exhaust passage on middle partition, later by second level inblock cylinder to high pressure chest.Wherein, from
For level-one cylinder between the cylinder of the second level, discharge chamber volume is smaller, and the resistance in exhaust passage is larger, thus not only influences pressure
The working efficiency of contracting mechanism also results in compressor and generates very big work noise.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of pressure
Contracting machine, the compressor have the advantages that work noise is low, efficiency is high.
Compressor according to an embodiment of the present invention, comprising: shell；Compression mechanism, the compression mechanism include: first order gas
Cylinder limits first order compression chamber in the first order cylinder；Second level cylinder limits the second level in the second level cylinder
Compression chamber；Middle partition, the middle partition are folded between the first order cylinder and the second level cylinder, on the middle partition
Equipped with the second suction hole for being connected to the second level cylinder；First bearing, the first bearing cooperation is in the first order cylinder
Far from the middle partition side；Wherein, the shell and the middle partition, the first bearing, the first order cylinder
Periphery wall between limit middle pressure chamber, medium pressure chamber respectively with the first row stomata of the first order compression chamber and described
Two suction holes are connected, and the side that the separate medium pressure chamber of the first bearing is located in the shell is motor cavity, the electricity
Machine cavity is the low pressure chamber being spaced with medium pressure chamber；Wherein, when the first row stomata is located at the court of the first order cylinder
When to the side of the first bearing, the first bearing includes bearing main body and bearing side exhaust partition, the bearing side row
Air bound plate is located between the bearing main body and the first order cylinder, the first row stomata be located at bearing side exhaust every
On plate, the connection first row stomata and medium pressure chamber are limited between the bearing main body and bearing side exhaust partition
First exhaust passage；When the first row stomata be located at the first order cylinder towards the side of the middle partition when, institute
Stating middle partition includes main partition and bulkhead sides exhaust partition, and the bulkhead sides exhaust partition is located at the main partition and described first
Grade cylinder between, the first row stomata is located on the bulkhead sides exhaust partition, second suction hole be located at the master every
On plate, the connection first row stomata and medium pressure chamber are limited between the main partition and the bulkhead sides exhaust partition
Second exhaust channel.
Compressor according to an embodiment of the present invention passes through setting bearing side exhaust partition and bulkhead sides exhaust partition, bearing
Side exhaust partition can limit the first exhaust passage for being connected to middle pressure chamber with bearing main body, and bulkhead sides exhaust partition can and be led
Partition limits the second exhaust channel of connection middle pressure chamber.Refrigerant after the completion of compression in first order cylinder can pass through first
Exhaust passage and second exhaust channel enter middle pressure chamber, it is possible thereby to increase the delivery space of compression mechanism, reduce compression mechanism
Exhaust resistance, reduce second level cylinder air-breathing pulsation, so as to reduce the work noise of compressor.The structure of compressor
Simply, compact, there is very strong practicability.
According to some embodiments of the present invention, it is equipped on bearing side exhaust partition and the bulkhead sides exhaust partition
Valve mounting groove, the first row stomata are located on the bottom wall of the valve mounting groove, are equipped with and described first in the valve mounting groove
The first exhaust valve module that gas vent matches.
According to some embodiments of the present invention, the first exhaust passage is set on the periphery of bearing side exhaust partition
There is the first intercommunicating pore of connection medium pressure chamber.
According to some embodiments of the present invention, the second exhaust channel is in the bulkhead sides exhaust partition described in
Second intercommunicating pore of the connection medium pressure chamber of first order cylinder.
According to some embodiments of the present invention, connection institute is limited between the main partition and the bulkhead sides exhaust partition
State the air intake passage of the second suction hole and medium pressure chamber.
In some embodiments of the invention, the air intake passage and the second exhaust channel phase in the middle partition
It separates.
In some embodiments of the invention, the air intake passage and the second exhaust channel phase in the middle partition
Connection.
According to some embodiments of the present invention, at least one shape in the first exhaust passage and the second exhaust channel
As straight channel or curved channel or circular channel.
According to some embodiments of the present invention, the shell is equipped with the gas supplementing opening of connection medium pressure chamber.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the integrally-built cross-sectional view of compressor according to an embodiment of the present invention；
Fig. 2 is the overall structure diagram of compression mechanism according to an embodiment of the present invention；
Fig. 3 is the fit structure schematic diagram of bearing main body and bearing according to an embodiment of the present invention side exhaust partition；
Fig. 4 is the fit structure schematic diagram of main partition and bulkhead sides exhaust partition according to an embodiment of the present invention；
Fig. 5 is the overall structure diagram of main partition according to an embodiment of the present invention；
Fig. 6 is the overall structure diagram of exhaust partition according to a first embodiment of the present invention；
Fig. 7 is the overall structure diagram of exhaust partition according to a second embodiment of the present invention；
Fig. 8 is the overall structure diagram of exhaust partition according to a third embodiment of the present invention；
Fig. 9 is the overall structure diagram of exhaust partition according to a fourth embodiment of the present invention.
Appended drawing reference:
Compression mechanism 100,
First order cylinder 1,
Second level cylinder 2,
Middle partition 3, air intake passage 31, main partition 32, the second suction hole 321, bulkhead sides exhaust partition 33, the second intercommunicating pore
331, second exhaust channel 34,
First bearing 4, bearing main body 41, bearing side exhaust partition 42, first row stomata 421, first exhaust passage 422,
First intercommunicating pore 423, first exhaust valve module 43,
Second bearing 5, crankshaft 6,
Compressor 200,
Shell 7, motor 8, motor cavity 9,
Pump housing chamber 10, middle pressure chamber 101, high pressure chest 102.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " axial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.In addition, defining " first ", " second "
Feature can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
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.
Compressor 200 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 9, which can be used for pair
The compression of refrigerant.
As Figure 1-Figure 2, compressor 200 according to an embodiment of the present invention, comprising: shell 7 and compression mechanism 100.Pressure
Contracting mechanism 100 includes: first order cylinder 1, second level cylinder 2, middle partition 3 and first bearing 4 and second bearing 5.First order gas
First order compression chamber is limited in cylinder 1, is initially entered in first order compression chamber into the refrigerant in compression mechanism 100 and is completed first
Grade compression.Second level compression chamber is limited in second level cylinder 2, the refrigerant for completing first order compression can enter second level cylinder
In 2, second level compression is thus completed.Middle partition 3 is folded between first order cylinder 1 and second level cylinder 2, is set on middle partition 3
There is the second suction hole 321 of connection second level cylinder 2, the refrigerant for completing first order compression can be by the second suction hole 321
Into in second level cylinder 2, it is possible thereby to realize the circulation of refrigerant between first order cylinder 1 and second level cylinder 2.
As Figure 1-Figure 2, the cooperation of first bearing 4 is in the side far from middle partition 3 of first order cylinder 1, and shell 7 is in
Limit middle pressure chamber 101 between partition 3, first bearing 4 and the periphery wall of first order cylinder 1, middle pressure chamber 101 respectively with the first order
The first row stomata 421 of compression chamber is connected with the second suction hole 321.It is located at the separate middle pressure chamber 101 of first bearing 4 in shell 7
Side be motor cavity 9, motor cavity 9 is the low pressure chamber being spaced with middle pressure chamber 101.
Middle partition 3 is equipped with the air intake passage 31 of connection the second suction hole 321 and middle pressure chamber 101.Middle pressure chamber 101 can increase
The delivery space of big first order cylinder 1, plays the role of caching to refrigerant.Refrigerant can after the completion of compressing out of first order cylinder 1
To enter middle pressure chamber 101, the refrigerant in middle pressure chamber 101 can enter second level cylinder 2 by the air intake passage 31 on middle partition 3
It is interior, it is possible thereby to reduce the air-breathing pulsation of second level cylinder 2, reduces the work noise of compressor 200, promote compressor 200
Efficiency.
As Figure 1-Figure 2, the cooperation of second bearing 5 is in side of the second level cylinder 2 far from middle partition 3, usually by the
One bearing 4 and the pairing setting of second bearing 5, first bearing 4 and second bearing 5 can play sealing cylinder and support crankshaft 6
Effect.
Such as shown in Fig. 2, the rightmost side of compression mechanism 100 is arranged in first bearing 4, the setting of second bearing 5 is being compressed
The leftmost side of mechanism 100, first bearing 4 and second bearing 5 cooperate with crankshaft 6, can be supported to crankshaft 6.The first order
Cylinder 1 is fitted in the left side setting of first bearing 4, and second level cylinder 2 is bonded the right side setting of second bearing 5, middle partition 3
It is arranged among first order cylinder 1 and second level cylinder 2.The outer circumferential of first bearing 4, middle partition 3 and first order cylinder 1 limits
Fixed space is middle pressure chamber 101, and high pressure is in the space that the outer circumferential of second bearing 5, middle partition 3 and second level cylinder 2 limits
Chamber 102 is discharged into middle pressure chamber 101 after the completion of wherein refrigerant compresses in first order cylinder 1, then passes through air-breathing from middle pressure chamber 101
Channel 31 enters in second level cylinder 2, and the refrigerant that the compression of second level cylinder 2 is completed is discharged into high pressure chest 102, and passes through high pressure chest
102 discharge compressors 200.
At least side in the axial direction of first order cylinder 1 is equipped with first row stomata 421, that is to say, that first order cylinder 1 can
With only side in the axial direction, first row stomata 421 is set, can also two sides in the axial direction be respectively provided with first row stomata 421.
When first row stomata 421 is arranged in the side of first order cylinder 1 only in the axial direction, first row stomata 421 can be located at the first order
The side towards first bearing 4 of cylinder 1, first row stomata 421 can also be located at partition 3 in the direction of first order cylinder 1
Side.In the case of two kinds, compression mechanism 100 is required to add row in the side of the setting first row stomata 421 of first order cylinder 1
Valve plate.When first order cylinder 1 is when axial sides are respectively provided with first row stomata 421, it is necessary in the axial direction of first order cylinder 1
Exhaust valve plate is added in two sides, it is equivalent to the superposition of above-mentioned two situations at this time, and to simplify description, two sides are all provided with exhaust valve plate
Structure repeat no more.
As shown in figure 3, when first row stomata 421 be located at first order cylinder 1 towards the side of first bearing 4 when, first
Bearing 4 includes bearing main body 41 and bearing side exhaust partition 42, and bearing side exhaust partition 42 is located at bearing main body 41 and the first order
Between cylinder 1, first row stomata 421 is located on bearing side exhaust partition 42, bearing main body 41 and bearing side exhaust partition 42 it
Between limit connection first row stomata 421 and middle pressure chamber 101 first exhaust passage 422.The refrigerant for completing first order compression is logical
It crosses first row stomata 421 and first order compression chamber is discharged, and enter middle pressure chamber 101 along first exhaust passage 422.
As shown in Fig. 1-Fig. 2, Fig. 4, when the side of partition 3 in the direction that first row stomata 421 is located at first order cylinder 1
When, middle partition 3 includes main partition 32 and bulkhead sides exhaust partition 33, and bulkhead sides exhaust partition 33 is located at main partition 32 and the first order
Between cylinder 1, first row stomata 421 is located on bulkhead sides exhaust partition 33, and the second suction hole 321 is located on main partition 32, main
The second exhaust channel of connection first row stomata 421 and middle pressure chamber 101 is limited between partition 32 and bulkhead sides exhaust partition 33
34。
Such as shown in Figure 1, middle partition 3 is arranged between first order cylinder 1 and second level cylinder 2, wherein main partition 32
The setting of second level cylinder 2 is closed on, bulkhead sides exhaust partition 33 closes on the setting of first order cylinder 1, and bulkhead sides exhaust partition 33 is located at
Between first order cylinder 1 and main partition 32.Preferably, the outlet in first exhaust passage 422 and second exhaust channel 34 is separate
Oil sump setting promotes the lubricant effect of compression mechanism 100 it is possible thereby to reduce the oil spitting amount of compression mechanism 100.
Compressor 200 according to an embodiment of the present invention, by setting bearing side exhaust partition 42 and/or bulkhead sides exhaust every
Plate 33, bearing side exhaust partition 42 can limit the first exhaust passage 422 for being connected to middle pressure chamber 101 with bearing main body 41, every
Plate side exhaust partition 33 can limit the second exhaust channel 34 for being connected to middle pressure chamber 101 with main partition 32.In first order cylinder 1
Refrigerant after the completion of interior compression can enter middle pressure chamber 101 by first exhaust passage 422 and second exhaust channel 34, thus may be used
To increase the delivery space of compression mechanism 100, reduce the exhaust resistance of compression mechanism 100, reduces the air-breathing arteries and veins of second level cylinder 2
It is dynamic, so as to reduce the work noise of compressor 200.The structure of compressor 200 is simple, compact, has very strong practicability.
Here to further understand the present invention in embodiment compressor 200 specific structure, below can by first order cylinder 1
It is further illustrated with the structure in the case of two kinds of side setting first row stomata 421 only in the axial direction.
When first row stomata 421 can be located at first order cylinder 1 towards the side of first bearing 4 when, as shown in figure 3,
Bearing side exhaust partition 42 is equipped with valve mounting groove, and first row stomata 421 is located on the bottom wall of valve mounting groove, sets in valve mounting groove
There is the first exhaust valve module 43 matched with first row stomata 421, it is possible thereby to make the internal structure of compression mechanism 100 more
It is compact, opening/closing for first row stomata 421 may be implemented.
Specifically, the valve mounting groove on bearing side exhaust partition 42 is arranged in bearing side exhaust partition 42 and bearing main body 41
On the side wall of contact, first exhaust valve module 43 is mounted in valve mounting groove, and first exhaust valve module 43 is equipped with for blocking
The exhaust valve plate of first row stomata 421.Under normal condition, exhaust valve plate and the cooperation of first row stomata 421 make first row stomata 421
It is in a closed state.After refrigerant completes compression in compression chamber, first exhaust valve module 43 is opened, first row stomata 421
It opens therewith, refrigerant can be entered in first exhaust passage 422 out of compression chamber by first row stomata 421, and thus refrigerant can
To enter in middle pressure chamber 101.
Further, first exhaust passage 422 is equipped with connection middle pressure chamber 101 on the periphery of bearing side exhaust partition 42
First intercommunicating pore 423, it is possible thereby to realize the connection between first exhaust passage 422 and middle pressure chamber 101, can be convenient refrigerant into
Enter middle pressure chamber 101.Specifically, the first intercommunicating pore 423 is connected with the end of first exhaust passage 422, refrigerant is from first exhaust
It after being discharged in hole 421, can circulate along first exhaust passage 422, finally enter middle pressure chamber 101 from the first intercommunicating pore 423.
Certainly, the invention is not limited thereto, and the separate axis in bearing side exhaust partition 42 also can be set in the first intercommunicating pore 423
On the end face for holding main body 41, the first intercommunicating pore 423 also be can be set in bearing main body 41 towards bearing side exhaust partition 42
On end face, it is not specifically limited here.When one of partition 3 in the direction that first row stomata 421 can also be located at first order cylinder 1
When side, as shown in figure 4, being equipped with valve mounting groove on bulkhead sides exhaust partition 33, first row stomata 421 is located at the bottom of valve mounting groove
On wall, the first exhaust valve module 43 matched with first row stomata 421 is equipped in valve mounting groove, it is possible thereby to make compression mechanism
100 internal structure is more compact, opening/closing for first row stomata 421 may be implemented.
Specifically, second exhaust channel 34 is equipped in the side towards first order cylinder 1 of bulkhead sides exhaust partition 33 and connects
Second intercommunicating pore 331 of logical middle pressure chamber 101, it is possible thereby to realize the connection between second exhaust channel 34 and middle pressure chamber 101, it can
To facilitate refrigerant to enter middle pressure chamber 101.Specifically, the second intercommunicating pore 331 is connected with the end in second exhaust channel 34, refrigerant
It after being discharged in first row stomata 421, can circulate along second exhaust channel 34, finally from the entrance of the second intercommunicating pore 331
Press chamber 101.
Further, the second suction hole 321 of connection and middle pressure are limited between main partition 32 and bulkhead sides exhaust partition 33
The air intake passage 31 of chamber 101, it is possible thereby to which the structure of the air intake passage 31 in optimizing on partition 3, facilitates and processed.It is specific and
Groove, main partition 32 and bulkhead sides exhaust can be arranged in speech in the opposing sidewalls of main partition 32 or bulkhead sides exhaust partition 33
The cooperation of partition 33 makes groove form closed air intake passage 31, and the refrigerant in middle pressure chamber 101 can be entered by air intake passage 31
In second level cylinder 2.
In some embodiments of the invention, air intake passage 31 and second exhaust channel 34 are spaced in middle partition 3, by
This may be implemented compression mechanism 100 breathing process and exhaust process it is mutually indepedent.Specifically, the suction of second level cylinder 2
Gas process and the exhaust process of first order cylinder 1 are independent from each other process, the refrigerant that first order cylinder 1 can complete compression
Be discharged into middle pressure chamber 101 in exhaust process by second exhaust channel 34, second level cylinder 2 can in breathing process will in
The refrigerant in chamber 101 is pressed to suck in the compression chamber of the second level by air intake passage 31.
In some embodiments of the invention, air intake passage 31 is connected in middle partition 3 with second exhaust channel 34, by
This can increase delivery space of the first order cylinder 1 in exhaust, reduce the work noise of compression mechanism 100.Specifically, working as
When first order cylinder 1 discharges cold media gas, refrigerant enters in second exhaust channel 34 from first row stomata 421, due to refrigerant stream
Measure larger, refrigerant cannot enter middle pressure chamber 101 within first time, and refrigerant can generate second exhaust channel 34 and very big rush
It hits, thus can generate very big work noise.By the way that air intake passage 31 is arranged to the mechanism being connected to second exhaust channel 34,
When first order cylinder 1 discharges cold media gas, the delivery space in second exhaust channel 34 can be made to increase, refrigerant can be played
The effect of buffering can reduce the work of compressor 200 it is possible thereby to reduce impact of the refrigerant to 34 inner wall of second exhaust channel
Noise.
As shown in Fig. 6-Fig. 9, according to some embodiments of the present invention, first exhaust passage 422 and second exhaust channel 34
In at least one be formed as straight channel or curved channel or circular channel, it is possible thereby in being promoted the diversity of partition 3 and
Versatility.As shown in fig. 6, first exhaust passage 422 is straight channel, one end of first exhaust passage 422 and first row stomata 421
It is connected, the other end of first exhaust passage 422 is connected to middle pressure chamber 101.As shown in figure 9, first exhaust passage 422 and second row
Gas channel 34 is curved channel, and wherein first exhaust passage 422 is uniformly connected to the both ends in second exhaust channel 34.Such as Fig. 7
Shown, first exhaust passage 422 and second exhaust channel 34 are curved channel, wherein first exhaust passage 422 and second row
The one end in gas channel 34 is connected to.
It is understood that first exhaust passage 422 and the shape in second exhaust channel 34 can be according to compression mechanisms 100
The uninterrupted of interior refrigerant carries out comprehensive setting.First exhaust passage 422 or second exhaust channel 34 are arranged to straight channel, it can
To shorten the circulation path of refrigerant, exhaust efficiency is promoted.Camber is arranged in first exhaust passage 422 or second exhaust channel 34
Channel or circular channel can extend the circulation path of refrigerant, and the effect of buffering is played to refrigerant, can reduce refrigerant to row
The impact of the side wall of air space can reduce the work noise of compressor 200.
According to some embodiments of the present invention, first bearing 4 and shell 7 cooperate with formed mutually independent motor cavity 9 and
100 He of compression mechanism may be implemented it is possible thereby to limit the installation space of compression mechanism 100 and motor 8 respectively in pump housing chamber 10
The autonomous working of motor 8.Such as shown in Figure 1, the upper and lower ends of first bearing 4 are connected with shell 7, first bearing 4 is by shell
Body 7 is separated into two relatively independent spaces, and middle pump body chamber 10 is located at the left side of first bearing 4, and motor cavity 9 is located at first axle
Hold 4 right side.It is set as low pressure chamber in motor cavity 9, it is possible thereby to guarantee the normal operation of motor 8.Pump housing chamber 10 is by middle partition 3
It is separated into middle pressure chamber 101 and high pressure chest 102, the refrigerant that the compression of first order cylinder 1 is completed is discharged into middle pressure chamber 101, middle pressure chamber 101
Interior refrigerant is entered in second level cylinder 2 by air intake passage 31, and refrigerant is discharged into high pressure after the completion of compression in second level cylinder 2
In chamber 102, and compressor 200 is discharged by high pressure chest 102.
In this way, low pressure chamber, middle pressure chamber 101 and high pressure chest 102 are separated into the shell 7 of compressor 200, pressure in shell 7
Successively successively decrease in the axial direction of crankshaft 6, reduce pressure difference, reduces the leakage of refrigerant.
According to some embodiments of the present invention, shell 7 is equipped with the gas supplementing opening of connection middle pressure chamber 101, so as to be promoted
The efficiency of compressor 200.Specifically, the on high-tension side refrigerant of compressibility can be passed through tonifying Qi when compressor 200 works
Mouth is passed into middle pressure chamber 101, it is possible thereby to reduce the power consumption that second level cylinder 2 compresses refrigerant.It is understood that
Gas supplementing opening is selectable technical characteristic, can select to be arranged according to the real work demand of compressor 200.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (9)
1. a kind of compressor characterized by comprising
Shell；
Compression mechanism, the compression mechanism include:
First order cylinder limits first order compression chamber in the first order cylinder；
Second level cylinder limits second level compression chamber in the second level cylinder；
Middle partition, the middle partition are folded between the first order cylinder and the second level cylinder, are set on the middle partition
There is the second suction hole for being connected to the second level cylinder；
First bearing, the first bearing cooperation is in the side far from the middle partition of the first order cylinder；Wherein,
The shell and the middle partition, the first bearing, the first order cylinder periphery wall between limit middle pressure chamber,
Medium pressure chamber is connected with the first row stomata of the first order compression chamber and second suction hole respectively, position in the shell
It is motor cavity in the side of the separate medium pressure chamber of the first bearing, the motor cavity is spaced with medium pressure chamber
Low pressure chamber；Wherein,
When the first row stomata be located at the first order cylinder towards the side of the first bearing when, the first bearing
Including bearing main body and bearing side exhaust partition, bearing side exhaust partition is located at the bearing main body and the first order gas
Between cylinder, the first row stomata is located on the exhaust partition of the bearing side, the bearing main body and the bearing side exhaust every
The first exhaust passage for being connected to the first row stomata and medium pressure chamber is limited between plate；
When the first row stomata be located at the first order cylinder towards the side of the middle partition when, the middle partition includes
Main partition and bulkhead sides exhaust partition, the bulkhead sides exhaust partition are located between the main partition and the first order cylinder,
The first row stomata is located on the bulkhead sides exhaust partition, and second suction hole is located on the main partition, the master
The second exhaust that the connection first row stomata and medium pressure chamber are limited between partition and the bulkhead sides exhaust partition is logical
Road.
2. compressor according to claim 1, which is characterized in that bearing side exhaust partition and bulkhead sides exhaust
Valve mounting groove is equipped on partition, the first row stomata is located on the bottom wall of the valve mounting groove, is set in the valve mounting groove
There is the first exhaust valve module matched with the first row stomata.
3. compressor according to claim 1, which is characterized in that the first exhaust passage the bearing side be vented every
The periphery of plate is equipped with the first intercommunicating pore of connection medium pressure chamber.
4. compressor according to claim 1, which is characterized in that the second exhaust channel the bulkhead sides be vented every
The side towards the first order cylinder of plate is equipped with the second intercommunicating pore of connection medium pressure chamber.
5. compressor according to claim 1, which is characterized in that between the main partition and the bulkhead sides exhaust partition
Limit the air intake passage for being connected to second suction hole and medium pressure chamber.
6. compressor according to claim 5, which is characterized in that the air intake passage and the second exhaust channel are in institute
It states in partition and is spaced.
7. compressor according to claim 5, which is characterized in that the air intake passage and the second exhaust channel are in institute
It states in partition and is connected.
8. compressor according to claim 1, which is characterized in that the first exhaust passage and the second exhaust channel
In at least one be formed as straight channel or curved channel or circular channel.
9. compressor according to claim 1, which is characterized in that the shell is equipped with the tonifying Qi of connection medium pressure chamber
Mouthful.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944854.9A CN109595166B (en) | 2017-09-30 | 2017-09-30 | Compressor |
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|---|---|---|---|
| CN201710944854.9A CN109595166B (en) | 2017-09-30 | 2017-09-30 | Compressor |
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| CN109595166A true CN109595166A (en) | 2019-04-09 |
| CN109595166B CN109595166B (en) | 2024-01-05 |
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| JPH04219486A (en) * | 1990-12-17 | 1992-08-10 | Matsushita Refrig Co Ltd | Rotary compressor |
| CN1420964A (en) * | 2000-03-30 | 2003-05-28 | 三洋电机株式会社 | Multi-stage compressor |
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| CN203248363U (en) * | 2013-03-27 | 2013-10-23 | 珠海格力电器股份有限公司 | Double-die compression pump body and double-cylinder compressor using same |
| US20130343942A1 (en) * | 2011-03-10 | 2013-12-26 | Panasonic Corporation | Rotary compressor |
| CN106762666A (en) * | 2017-01-24 | 2017-05-31 | 广东美芝制冷设备有限公司 | Compressor and the vehicle with it |
| CN207363878U (en) * | 2017-09-30 | 2018-05-15 | 广东美芝制冷设备有限公司 | Compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS61169686A (en) * | 1985-01-23 | 1986-07-31 | Hitachi Ltd | Scroll compressor |
| JPH04219486A (en) * | 1990-12-17 | 1992-08-10 | Matsushita Refrig Co Ltd | Rotary compressor |
| CN1420964A (en) * | 2000-03-30 | 2003-05-28 | 三洋电机株式会社 | Multi-stage compressor |
| CN101153600A (en) * | 2006-09-29 | 2008-04-02 | 富士通将军股份有限公司 | Rotary compressor and heat pump system |
| US20130343942A1 (en) * | 2011-03-10 | 2013-12-26 | Panasonic Corporation | Rotary compressor |
| CN203248363U (en) * | 2013-03-27 | 2013-10-23 | 珠海格力电器股份有限公司 | Double-die compression pump body and double-cylinder compressor using same |
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| CN207363878U (en) * | 2017-09-30 | 2018-05-15 | 广东美芝制冷设备有限公司 | Compressor |
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| Publication number | Publication date |
|---|---|
| CN109595166B (en) | 2024-01-05 |
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