CN105339666B - Compound compressor and freezing cycle device - Google Patents
Compound compressor and freezing cycle device Download PDFInfo
- Publication number
- CN105339666B CN105339666B CN201480034587.6A CN201480034587A CN105339666B CN 105339666 B CN105339666 B CN 105339666B CN 201480034587 A CN201480034587 A CN 201480034587A CN 105339666 B CN105339666 B CN 105339666B
- Authority
- CN
- China
- Prior art keywords
- key element
- intermediate pressure
- dividing plate
- compression key
- working fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
- F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—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
- 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
- F04C2240/80—Other components
- F04C2240/804—Accumulators for refrigerant circuits
Abstract
The present invention provides a kind of compound compressor and freezing cycle device, the gas coolant of the intermediate pressure compressed by rudimentary compression key element just can be supplied to advanced compression key element by the compound compressor without using conduit, and can reduce suction loss when working fluid is inhaled into advanced compression key element.Compound compressor includes：The working fluid of low pressure is compressed into the rudimentary compression key element of intermediate pressure, the working fluid of intermediate pressure is compressed into the advanced compression key element of high pressure, and by these rudimentary, advanced compression key element dividing plates spaced apart, dividing plate will be divided into multiple fragmenting plates and link and be formed, intermediate pressure space in the dividing plate for the working fluid for spraying the intermediate pressure compressed by rudimentary compression key element is internally formed in dividing plate, the suction port for making the working fluid in dividing plate in intermediate pressure space be drawn into advanced compression key element is formed in the end face of the dividing plate opposite with advanced compression key element.
Description
Technical field
The present invention relates to a kind of compound compressor and freezing cycle device.
Background technology
In the past, it is known to following compound compressor, and the compound compressor is for example recorded in following patent documents 1,
The compound compressor by rudimentary compression key element, advanced compression key element and separate these compression key elements dividing plates be contained in closed shell
It is interior, the gas coolant as the low pressure of working fluid is supplied to rudimentary compression key element and intermediate pressure is compressed into, will be compressed into
The gas coolant of intermediate pressure is supplied to the gas coolant of advanced compression key element and boil down to high pressure.
[prior art literature]
[patent document]
No. 4719432 publications of [patent document 1] Japan Patent
The content of the invention
Invent problem to be solved
However, in compound compressor described in patent document 1, being used as the centre that will be compressed by rudimentary compression key element
The method that the gas coolant of pressure is supplied to advanced compression key element, be using conduit (pipe) by the side of rudimentary compression key element with
The side of advanced compression key element is connected, and the conduit is configured to the outside of closed shell.
Accordingly, it would be desirable to which closed shell and conduit are welded, the manufacture of compound compressor is expended in time and manufacturing cost
Rise.Moreover, in order that the gas coolant of low pressure be supplied to rudimentary compression key element conduit, be connected rudimentary compression key element with it is senior
The conduit of compression key element will not interfere with, and there is the pipe arrangement position of two conduits the problem of be restricted.
A kind of freezing cycle device it is an object of the invention to provide compound compressor and comprising the compound compressor, should
The gas coolant of the intermediate pressure compressed by rudimentary compression key element just can be supplied to senior by compound compressor without using conduit
Key element is compressed, and suction loss when working fluid is inhaled into advanced compression key element can be reduced.
The technological means solved the problems, such as
The compound compressor of the present invention, it is by motor part and shaft-driven by the rotation for being linked to the motor part
Compression mechanical part is contained in closed shell, and the compression mechanical part includes：Rudimentary compression key element, by the working fluid pressure of low pressure
Shorten intermediate pressure into；Advanced compression key element, high pressure is compressed into by the working fluid of the intermediate pressure compressed by rudimentary compression key element；And
Dividing plate, by being spaced apart for these rudimentary compression key elements and advanced compression key element；Wherein, dividing plate will divide on the direction of principal axis of rotary shaft
It is segmented into multiple fragmenting plates to link and formed, in the work for being internally formed the intermediate pressure that guiding is compressed by rudimentary compression key element of dividing plate
Make intermediate pressure space in the dividing plate of fluid, in the end face of the dividing plate opposite with advanced compression key element, being formed makes in the middle of in dividing plate
Working fluid in pressure space is drawn into the suction port of advanced compression key element.
Moreover, the freezing cycle device of the present invention includes：The compound compressor；Condenser, is connected to the multistage pressure
Contracting machine；Expansion gear, is connected to the condenser；And evaporator, it is connected to the expansion gear and the compound compressor
Between.
The effect of invention
In accordance with the invention it is possible to compound compressor and the freezing cycle device comprising the compound compressor are obtained, it is described many
The gas coolant of the intermediate pressure compressed by rudimentary compression key element just can be supplied to senior pressure by level compressor without using conduit
Contracting key element, and suction loss when working fluid is inhaled into advanced compression key element can be reduced.
Brief description of the drawings
Fig. 1 is constituting for the freezing cycle device comprising compound compressor represented by section in first embodiment
Figure.
Fig. 2 is constituting for the freezing cycle device comprising compound compressor represented by section in second embodiment
Figure.
Fig. 3 is constituting for the freezing cycle device comprising compound compressor represented by section in the 3rd embodiment
Figure.
The explanation of symbol
1：Freezing cycle device
2：Compressor body
3rd, the first reservoir
4、4A、4B：Compound compressor
5：Condenser
6、42：Expansion gear
7：Evaporator
8：Suction line
9：Closed shell
10：Motor part
11：Compression mechanical part
12：Rotary shaft
13：Revolving part
14：Fixture
15：Base bearing (bearing)
16：Supplementary bearing (bearing)
17：Rudimentary compression key element
18：Advanced compression key element
19：Dividing plate
19a、19b：Fragmenting plate
20a：First cylinder
20b：Second cylinder
21a：First cylinder chamber
21b：Second cylinder chamber
22a：First eccentric part
22b：Second eccentric part
23a：First roller
23b：Second roller
24：Second sprays valve gear
28：First sprays valve gear
35：Spray valve gear
25：Muffler
26：Intercommunicating pore
27：Intermediate pressure space in dividing plate
29：Suck port
30：Otch
31：Intermediate pressure space in bearing
32：Periphery wall
33：Plugging plate
34：Insertion road
41：Second reservoir
43：Injection-tube
Embodiment
(first embodiment)
First embodiment is illustrated based on Fig. 1.Freezing cycle device 1 shown in Fig. 1 includes：Compound compressor 4,
With the reservoir (accumulator) 3 of compressor body 2 and first, and the gas coolant compression of working fluid will be used as；Condensation
Device 5, is connected to compressor body 2, and the gas coolant of the high pressure sprayed from compressor body 2 is condensed and liquid refrigerant is formed；It is swollen
Swollen device 6, is connected to condenser 5 and liquid refrigerant is depressurized；And evaporator 7, it is connected to the liquid storage of expansion gear 6 and first
Make liquid refrigerant evaporation between device 3.
First reservoir 3 and compressor body 2 are by gas coolant to imported into the suction line 8 of aftermentioned rudimentary compression key element
Connection.
Compressor body 2 has the electricity housed in the closed shell 9 for being formed as cylindric, closed shell 9 positioned at upper side
Motivation portion 10 and the compression mechanical part 11 positioned at lower side.
These motor parts 10 connect with compression mechanical part 11 via the rotary shaft 12 of the center line rotation around above-below direction
Knot.
Motor part 10 is the part of driving compression mechanical part 11, including is fixed on the revolving part 13 of rotary shaft 12 and consolidates
Due to closed shell 9 and be configured at surround revolving part 13 position fixture 14.
The coil that wrapped around energization on permanent magnet (not shown), fixture 14 is set (not scheme on revolving part 13
Show).
The position of the both sides up and down for clipping compression mechanical part 11 in rotary shaft 12, setting can be rotatably to rotation
Axle 12 carries out the base bearing 15 and supplementary bearing 16 of axle support.
Compression mechanical part 11 is the part of compressed gas refrigerant, including the gas coolant of low pressure is compressed into the low of intermediate pressure
Level compression key element 17 and the advanced compression that the gas coolant of the intermediate pressure compressed by rudimentary compression key element 17 is compressed into high pressure will
Element 18, is separated between these rudimentary compression key elements 17 and advanced compression key element 18 by dividing plate 19.
Rudimentary compression key element 17 has the first cylinder 20a, and first cylinder 20a lower end side is blocked by supplementary bearing 16, the
One cylinder 20a upper end side is blocked by dividing plate 19.
As a result, in the first cylinder 20a, formed the first cylinder 20a upper and lower ends by dividing plate 19 and the envelope of supplementary bearing 16
The first stifled cylinder chamber 21a.
Insertion the first cylinder chamber 21a of rotary shaft 12 and the second cylinder chamber described later, are located at the first gas in rotary shaft 12
Part in cylinder chamber 21a forms the first eccentric part 22a, the first roller 23a and is embedded in the first eccentric part 22a.
First roller 23a is with the rotation of rotary shaft 12, while connecing the inner circumferential upper thread of its outer peripheral face and the first cylinder 20a
Touch, the mode of one side eccentric rotary is configured.
Rudimentary compression key element 17 comprising these first cylinders 20a, the first eccentric part 22a, the first roller 23a, by the first cylinder
Separated in the 21a of room as blade (not shown) of two spaces (suction chamber and discharge chambe) etc..
The basic composition of advanced compression key element 18 is identical with the rudimentary compression key element 17.
With the second cylinder 20b, second cylinder 20b lower end side is blocked by dividing plate 19, the second cylinder 20b upper end side
Blocked by base bearing 15.
Block the second cylinder 20b upper and lower ends by base bearing 15 and dividing plate 19 the is formed in second cylinder 20b
Two cylinder chamber 21b.
Rotary shaft 12 in insertion in second cylinder chamber 21b, the part being located in the second cylinder chamber 21b in rotary shaft 12
Form the second eccentric part 22b, the second roller 23b and be embedded in the second eccentric part 22b.
Second roller 23b is with the rotation of rotary shaft 12, while connecing the inner circumferential upper thread of its outer peripheral face and the second cylinder 20b
Touch, the mode of one side eccentric rotary is configured.Advanced compression key element 18 includes these second cylinders 20b, the second eccentric part 22b, the
Two roller 23b and it will be separated in the second cylinder chamber 21b as blade (not shown) of two spaces (suction chamber and discharge chambe) etc..
Moreover, being installed with base bearing 15：Make the second ejection that the gas coolant compressed in advanced compression key element 18 sprays
Valve gear 24, and be configured at the position of the ejection valve gear 24 of covering second and spray the ejection gas coolant of valve gear 24 from second
Substantially cup-shaped muffler 25.Being formed in muffler 25 makes the gas coolant being ejected into muffler 25 flow out to closed housing
Intercommunicating pore 26 in body 9.
Dividing plate 19 is to link fragmenting plate 19a, 19b that two are divided on the direction of principal axis of rotary shaft 12 and formed,
Dividing plate 19 is internally formed intermediate pressure space 27 in dividing plate.
One of fragmenting plate 19a is formed as tabular by intermediate pressure space 27 in the dividing plate, and in another fragmenting plate
19b forms concave recess, is formed by the way that two fragmenting plates 19a, 19b are linked.In addition, also can each fragmenting plate 19a,
19b two square recesses in a concave shape, two fragmenting plates 19a, 19b are linked and the recess is directed at, are consequently formed in dividing plate
Intermediate pressure space 27.
And then, dividing plate 19 is divided into multiple and formed on the direction of principal axis of rotary shaft 12, can also be divided into more than three
And formed.
Moreover, on dividing plate 19 set first ejection valve gear 28, first ejection valve gear 28 make by rudimentary compression key element
The gas of the intermediate pressure of 17 compressions is cold to be ejected into dividing plate in intermediate pressure space 27.Furthermore, opposite with advanced compression key element 18
The end face of dividing plate 19 form suction port 29, the suction port 29 is drawn into the gas coolant in dividing plate in intermediate pressure space 27
Second cylinder chamber 21b of advanced compression key element 18.
Being formed on second cylinder 20b of advanced compression key element 18 makes suction port 29 and cutting that the second cylinder chamber 21b is connected
Mouth 30.
During this is constituted, in the compound compressor 4, by making that motor part 10 is powered and rotary shaft 12 rotates around center line,
Compression mechanical part 11 is driven using the rotation of rotary shaft 12.
When driving compression mechanical part 11, the gas coolant of the low pressure of gas-liquid separation is via suction line 8 in the first reservoir 3
And imported into the first cylinder chamber 21a of rudimentary compression key element 17.
It imported into the gas coolant of the low pressure in the first cylinder chamber 21a to be compressed in rudimentary compression key element 17, when being pressed
When the gas coolant of contracting turns into defined intermediate pressure, first sprays the valve opening of valve gear 28, and the gas coolant of intermediate pressure is ejected into
In dividing plate in intermediate pressure space 27.
The gas coolant for the intermediate pressure being ejected into dividing plate in intermediate pressure space 27 with the second roller 23b rotation, and warp
It is flowed into by suction port 29 and otch 30 in the second cylinder chamber 21b of advanced compression key element 18, in advanced compression key element 18
Compressed, and the gas coolant as high pressure.
When gas compressed refrigerant turns into defined high pressure in advanced compression key element 18, the second ejection valve gear 24 is opened
Valve, the gas coolant of high pressure is ejected into muffler 25.The gas coolant for the high pressure being ejected into muffler 25 is from intercommunicating pore
26 are flowed into closed shell 9.
The gas coolant for the high pressure being flowed into closed shell 9 is circulated in condenser 5, expansion gear 6, evaporator 7, into
Gas coolant for low pressure is simultaneously directed in the first cylinder chamber 21a of rudimentary compression key element 17 again.
Dividing plate 19 is to link fragmenting plate 19a, 19b that two are divided on the direction of principal axis of rotary shaft 12 and formed.Cause
This, easily can form intermediate pressure space 27 in dividing plate in dividing plate 19.And then, set first to spray valve gear 28 in dividing plate 19
Operation can be carried out before two fragmenting plates 19a, 19b are linked, so as to easily carry out setting first in dividing plate 19
Spray the operation of valve gear 28.
Moreover, intermediate pressure space 27 and the second cylinder chamber 21b of advanced compression key element 18 is through being formed from dividing plate in dividing plate
The suction port 29 of 19 end face is connected with being formed at the second cylinder 20b otch 30, it is thus possible to shortened in the middle of out of dividing plate
Press the flow path length untill the cylinder chamber 21b of space 27 to the second.In reducing the gas coolant of intermediate pressure out of dividing plate
Between suction loss of the pressure space 27 when being inhaled into advanced compression key element 18.
Moreover, the first ejection valve gear 28 for being arranged at dividing plate 19 is wanted positioned at rudimentary compression key element 17 is clipped in advanced compression
Position between element 18, it is thus possible to which the first ejection valve gear 28 is covered by rudimentary compression key element 17 and advanced compression key element 18
The sound produced during either on or off, so as to reduce the noise produced by compound compressor 4.
And then, without setting to by the of the first cylinder chamber 21a of rudimentary compression key element 17 and advanced compression key element 18
The conduit of two cylinder chamber 21b connections, so as to easy to manufacture compound compressor 4 and can reduce manufacturing cost.
(second embodiment)
Second embodiment is illustrated based on Fig. 2.In addition, pair with the inscape phase that illustrates in first embodiment
Same inscape encloses identical symbol, and the repetitive description thereof will be omitted.
The compound compressor 4A of second embodiment basic composition is identical with the compound compressor 4 of first embodiment,
Compound compressor 4A and compound compressor 4 difference are：The intermediate pressure space 27 in the formation dividing plate of dividing plate 19, and
Intermediate pressure space 31 in the formation bearing of supplementary bearing 16.
Intermediate pressure space 31 is by the periphery wall 32 of the peripheral part formation ring-type in supplementary bearing 16 in bearing, and in the periphery
The end of wall 32 is fixed plugging plate 33 and formed.In addition, can also replace being formed the periphery wall 32 of ring-type, and by plugging plate 33 with disappearing
Sound device 25 is identically formed to be substantially cup-shaped, so as to form intermediate pressure space 31 in bearing.
In dividing plate in intermediate pressure space 27 and bearing intermediate pressure space 31 be formed from the first cylinder 20a insertion road 34 and
Connection.
Ejection valve gear 35 is set on supplementary bearing 16, and the ejection valve gear 35 makes in rudimentary compression key element 17 is compressed
Between the gas coolant pressed be ejected into bearing in intermediate pressure space 31.
During this is constituted, in the compound compressor 4A of second embodiment, when gas compressed in rudimentary compression key element 17
When refrigerant turns into defined intermediate pressure, the valve opening of valve gear 35 is sprayed, the gas coolant of intermediate pressure is ejected into intermediate pressure in bearing
In space 31.
The gas coolant sprayed is directed to intermediate pressure space 27 in dividing plate via insertion road 34, and riddles bearing
Interior intermediate pressure space 31 and intermediate pressure space 27 in dividing plate.
The gas coolant of the intermediate pressure in intermediate pressure space 27 in intermediate pressure space 31 and dividing plate in bearing is riddled with the
Two roller 23b rotation, and be flowed into via suction port 29 and otch 30 in the second cylinder chamber 21b of advanced compression key element 18,
Compressed in advanced compression key element 18, so that the gas coolant as high pressure.
In compound compressor 4A, intermediate pressure space 27 and intermediate pressure space 31, intermediate pressure in bearing in dividing plate are formed
The volume increase in space, it is thus possible to suppress the ejection pulsation of the gas coolant from rudimentary compression key element 17 or towards senior pressure
The suction pulsation of the gas coolant of contracting key element 18.
(the 3rd embodiment)
The 3rd embodiment is illustrated based on Fig. 3.In addition, pair with the composition that illustrates in first or second embodiment
Key element identical inscape encloses identical symbol, and the repetitive description thereof will be omitted.
The compound compressor 4B of 3rd embodiment basic composition is identical with the compound compressor 4A of second embodiment,
Compound compressor 4B and compound compressor 4A differences are：Make the gas coolant of intermediate pressure compressed by rudimentary compression key element 17
The ejection valve gear 35 being ejected into bearing in intermediate pressure space 31 is arranged at supplementary bearing 16, and makes by rudimentary compression key element 17
The first ejection valve gear 28 that the gas coolant of the intermediate pressure of compression is ejected into dividing plate in intermediate pressure space 27 is arranged at dividing plate
19。
And then, the second reservoir 41 and second expansion gear 42 are set between expansion gear 6 and evaporator 7.Second
Injection-tube 43 is set in reservoir 41 and bearing between intermediate pressure space 31, and the injection-tube 43 will be by the gas-liquid of the second reservoir 41
The gas coolant of separation is directed in dividing plate in intermediate pressure space 27 via intermediate pressure space 31 in bearing.In addition, by second
The pressure of the gas coolant of the gas-liquid separation of reservoir 41 turns into roughly the same with the intermediate pressure compressed by rudimentary compression key element 17
Pressure.Moreover, injection-tube 43 is also connected to dividing plate 19.
Injection-tube 43 is fixed on the peripheral part of the first reservoir 3, and the injection-tube 43 is with suction line 8 outside closed shell 9
The normal direction of side face is connected to compression mechanical part 11, and is located at up and down on same plumb line and connects.
During this is constituted, in compound compressor 4B, when gas compressed refrigerant turns into regulation in rudimentary compression key element 17
Intermediate pressure when, first sprays valve gear 28,35 valve opening, and the gas coolant of intermediate pressure is ejected into dividing plate in intermediate pressure space 27
With in bearing in intermediate pressure space 31.The gas coolant of the intermediate pressure sprayed with the second roller 23b rotation and via suction
Port 29 is flowed into the second cylinder chamber 21b of advanced compression key element 18 with otch 30, is compressed in advanced compression key element 18, and shape
Into the gas coolant of high pressure.
In compound compressor 4B, the ejection of the gas coolant of the intermediate pressure from rudimentary compression key element 17 is from positioned at rudimentary
The first ejection valve gear 28, the ejection valve gear 35 for compressing two sides of key element 17 are carried out.Therefore, valve gear is sprayed from first
28th, the spray volume for spraying the respective gas coolant of valve gear 35 tails off, and gas coolant sprays valve gear 28, ejection valve by first
Drag losses during device 35 reduces, so as to improve compound compressor 4B compression performance.
Moreover, the second reservoir 41 is set in compound compressor 4B, by the gas-liquid separation of the second reservoir 41
Between the gas coolant pressed imported into via injection-tube 43 in bearing in intermediate pressure space 31, thus, it is possible to improve compound compressor
4B compression performance.
The normal direction of injection-tube 43 and suction line 8 from the outer peripheral face of closed shell 9 is connected to compression mechanical part 11, and
It is located at up and down on same plumb line and connects, it is thus possible to the connecting portion of these injection-tubes 43 of automatic welding and suction line 8,
So as to improve compound compressor 4B manufacturing.
More than, several embodiments of the invention is illustrated, these embodiments are pointed out as example, and
It is not intended to limit the scope of invention.These embodiments can be implemented with various other forms, not depart from the purport of invention
In the range of, various omissions, displacement, change can be carried out.Scope or the master of these embodiments or its deformation with being contained in invention
Purport similarly, is contained in inventing described in claim and its scope of equalization.
Claims (3)
1. a kind of compound compressor, it is the shaft-driven compressor of rotation by motor part and by being linked to the motor part
Structure portion is contained in closed shell, and the compression mechanical part includes：Rudimentary compression key element, during the working fluid of low pressure is compressed into
Between press；Advanced compression key element, will be compressed into high pressure by the working fluid of the intermediate pressure of the rudimentary compression key element compression；With
And dividing plate, by being spaced apart for the rudimentary compression key element and the advanced compression key element, the compound compressor is characterised by：
The dividing plate will be divided into multiple fragmenting plates on the direction of principal axis of the rotary shaft and link and be formed, in the dividing plate
Guiding intermediate pressure space in the dividing plate of the working fluid of the intermediate pressure of the rudimentary compression key element compression is internally formed,
The end face of the opposite dividing plate with the advanced compression key element, forms suction port, during the suction port makes in the dividing plate
Between pressure space in the working fluid be drawn into the advanced compression key element,
The bearing that axle support is carried out to rotary shaft is set in the both sides of the compression mechanical part, wanted positioned at the rudimentary compression
Intermediate pressure space in one of them bearing that the bearing is formed with intermediate pressure space is connected in the dividing plate of plain side, at it
In a bearing the first ejection valve gear is set, the first ejection valve gear makes to be compressed by the rudimentary compression key element
The working fluid of intermediate pressure be ejected into the bearing in intermediate pressure space,
The second ejection valve gear is set in the dividing plate, the second ejection valve gear makes to be compressed by the rudimentary compression key element
The working fluid of intermediate pressure be ejected into the dividing plate in intermediate pressure space,
When the working fluid compressed in the rudimentary compression key element turns into defined intermediate pressure, first ejection valve
Device sprays valve gear valve opening with described second, and the working fluid of intermediate pressure is ejected into the dividing plate in intermediate pressure space
With in the bearing in intermediate pressure space.
2. compound compressor according to claim 1, it is characterised in that set：
Suction line, the working fluid of low pressure is guided to the rudimentary compression key element；And
Injection-tube, intermediate pressure space is guided to the dividing plate by the working fluid of intermediate pressure；
The normal direction of the suction line and the injection-tube from the outer peripheral face of the closed shell is connected to the compression mechanism
Portion, and connected on same plumb line.
3. a kind of freezing cycle device, it is characterised in that including：
Compound compressor according to claim 1；
Condenser, is connected to the compound compressor；
Expansion gear, is connected to the condenser；And
Evaporator, is connected between the expansion gear and the compound compressor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013173807A JP6176782B2 (en) | 2013-08-23 | 2013-08-23 | Multistage compressor and refrigeration cycle apparatus |
| JP2013-173807 | 2013-08-23 | ||
| PCT/JP2014/003432 WO2015025449A1 (en) | 2013-08-23 | 2014-06-27 | Multi-stage compressor and refrigeration cycle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105339666A CN105339666A (en) | 2016-02-17 |
| CN105339666B true CN105339666B (en) | 2017-10-03 |
Family
ID=52483249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480034587.6A Active CN105339666B (en) | 2013-08-23 | 2014-06-27 | Compound compressor and freezing cycle device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6176782B2 (en) |
| CN (1) | CN105339666B (en) |
| WO (1) | WO2015025449A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016160793A (en) * | 2015-02-27 | 2016-09-05 | 東芝キヤリア株式会社 | Rotary compressor and refrigerating cycle device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018009565A (en) * | 2016-06-30 | 2018-01-18 | 株式会社デンソー | Multi-stage compressor |
| WO2021033283A1 (en) * | 2019-08-21 | 2021-02-25 | 東芝キヤリア株式会社 | Multi-stage rotary compressor and refrigeration cycle device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087892A (en) * | 1998-09-08 | 2000-03-28 | Daikin Ind Ltd | Two-stage compressor and air conditioner |
| JP2006177226A (en) * | 2004-12-22 | 2006-07-06 | Hitachi Home & Life Solutions Inc | Rotary compressor and air conditioner using the same |
| JP4864589B2 (en) * | 2006-08-03 | 2012-02-01 | 三菱電機株式会社 | Multistage rotary compressor |
| JP2008286037A (en) * | 2007-05-16 | 2008-11-27 | Fujitsu General Ltd | Rotary compressor and heat pump system |
| JP4462352B2 (en) * | 2008-01-10 | 2010-05-12 | 株式会社富士通ゼネラル | 2-stage compression rotary compressor |
| CN202301036U (en) * | 2011-09-30 | 2012-07-04 | 珠海格力电器股份有限公司 | Rotary two-stage enthalpy-increasing compressor |
| CN202301035U (en) * | 2011-09-30 | 2012-07-04 | 珠海格力电器股份有限公司 | Double-stage compressor with middle venting partition board |
| CN102705237B (en) * | 2012-04-27 | 2015-08-26 | 珠海格力电器股份有限公司 | A kind ofly regulate in compound compressor the structure and method thereof of pressing chamber volume size |
-
2013
- 2013-08-23 JP JP2013173807A patent/JP6176782B2/en active Active
-
2014
- 2014-06-27 WO PCT/JP2014/003432 patent/WO2015025449A1/en active Application Filing
- 2014-06-27 CN CN201480034587.6A patent/CN105339666B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016160793A (en) * | 2015-02-27 | 2016-09-05 | 東芝キヤリア株式会社 | Rotary compressor and refrigerating cycle device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105339666A (en) | 2016-02-17 |
| JP6176782B2 (en) | 2017-08-09 |
| WO2015025449A1 (en) | 2015-02-26 |
| JP2015040555A (en) | 2015-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102900669B (en) | Two stage rotary compressor | |
| WO2013057946A1 (en) | Rotary compressor having two cylinders | |
| CN103775338B (en) | Rotary compressor and the cooling cycle system with it | |
| CN203272136U (en) | Single-cylinder multi-stage compressor | |
| US9004888B2 (en) | Rotary compressor having discharge groove to communicate compression chamber with discharge port near vane groove | |
| US20160040667A1 (en) | Scroll compressor | |
| CN103557159B (en) | Rotary compressor | |
| US10233929B2 (en) | Rotary compressor having two cylinders | |
| CN105339666B (en) | Compound compressor and freezing cycle device | |
| JP2006152931A (en) | Rotary two-stage compressor | |
| CN204646670U (en) | Compressor | |
| CN105805014B (en) | Multi-cylinder rotation compressor | |
| JP2009085027A (en) | Two-stage compression rotary compressor | |
| CN102644597B (en) | Double-cylinder rotary compressor | |
| JP2006177225A (en) | Rotary compressor | |
| JP5511769B2 (en) | Compressor | |
| JP5781355B2 (en) | Hermetic rotary compressor | |
| CN205136030U (en) | Rotary compressor | |
| JP5217876B2 (en) | Two-stage compressor | |
| CN102644594A (en) | Double-cylinder type rotary compressor and control method for same | |
| KR101868193B1 (en) | A rotary compressor | |
| CN103195711B (en) | Seal type compressor | |
| JP2007092639A (en) | Hermetically sealed reciprocating compressor and refrigerating cycle device | |
| KR100783416B1 (en) | Foreign interception apparatus for hermetical compressor | |
| CN107202017A (en) | Rotary compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |