CN109154296A - Closed rotating compressor and refrigerating air-conditioning - Google Patents
Closed rotating compressor and refrigerating air-conditioning Download PDFInfo
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- CN109154296A CN109154296A CN201780032185.6A CN201780032185A CN109154296A CN 109154296 A CN109154296 A CN 109154296A CN 201780032185 A CN201780032185 A CN 201780032185A CN 109154296 A CN109154296 A CN 109154296A
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- cylinder barrel
- rotary compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
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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
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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
Closed rotating compressor of the invention has closed container, motor, by two rotary compression important documents of motor drive, and separate the demarcation plate of two rotary compression important documents, each rotary compression important document has cylinder barrel, it is eccentrically rotated the roller for being accommodated in cylinder barrel room freely, cylinder barrel room is divided into the blade of suction chamber and discharge chambe, and the drainage valve gear that the working fluid having compressed in cylinder barrel room is discharged into closed container, the rotary compression important document of downside has the deactivation mechanism for stopping compression operation, with draw intrusion to cylinder barrel room lubricating oil cylinder barrel oil flow passages, the demarcation plate oil flow passages for being connected to the suction chamber of the rotary compression important document of downside with the suction chamber of the rotary compression important document of upside are equipped in demarcation plate.
Description
Technical field
The present invention relates to such as closed rotating compressor used in air conditioner, refrigerator etc. and carry the closing
Formula rotary compressor constitutes the refrigerating air-conditioning of refrigerating cycle.
Background technique
In recent years, with the expansion for application range of capacity, closed rotating compressor is standardized as having two sets
The rotary compressor of the twin-tub type of cylinder barrel as rotary compression important document.Moreover, in such compressor, a kind of known rotation
Rotary compressor is able to carry out and is played the operating of compression by two cylinder barrel rooms and had and can be pressed according to load
The cylinder barrel of contracting-stopping switching and the variable operating (cylinder deactivation operating) of the mechanical discharge capacity realized.Also, it is in recent years, complete from preventing
From the viewpoint of ball warms, as the refrigerant of refrigerating and air conditioning system, instead of existing R410A refrigerant, global warming potential
Lesser R32 refrigerant just attracts attention.
In the existing rotary compressor of patent document 1, a kind of closed rotating compressor is disclosed, is avoided to stop
Limitation lubricating oil is back to reservoir (suction tank) and the increase in the working hour of generation from cylinder deactivation operating cylinder barrel when cylinder operates, thus real
The inhibition of cost is showed.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2014-40812 bulletin
Summary of the invention
Problems to be solved by the invention
For the compression mechanical part of the closed rotating compressor of patent document 1, following to record: it is rotary compressor
Structure portion, have the cylinder barrel room being connected to suction passage cylinder barrel, by eccentric motion freely in a manner of be accommodated in cylinder barrel room
Roller, front end are connected to the peripheral wall of roller and cylinder barrel room are divided into movable vane (blade), the Yi Jixiang of suction chamber and discharge chambe
The drainage valve gear of the compressed gas in cylinder barrel room is released in closed housing body, and is had via suction passage to cylinder barrel room
It guides suction pressure and leaves the front-end edge of movable vane from the peripheral wall of roller to stop the deactivation mechanism of compression operation, and in
Between demarcation plate 6 be equipped with the compression mechanical part and other compression mechanical parts that will be formed in having deactivation mechanism cylinder barrel room suction chamber
The access 36 to communicate with each other.
A kind of rotary compression of twin-tub type is disclosed in patent document 1 is such as the 0032nd, 0048,0049 section
Machine, via access by the cylinder barrel room of the upside with deactivation mechanism with do not have deactivation mechanism downside cylinder barrel room suction
It enters the room and communicates with each other, the indoor lubricating oil of cylinder barrel invaded to upside is directed to the cylinder barrel room of downside without quilt from access
It guides to reservoir, thus return of the lubricating oil in cylinder deactivation operating from the first cylinder barrel room to reservoir is restricted, and is prevented
A large amount of lubricating oil is stockpiled in reservoir, and then can prevent the intracorporal lubrication shortage of oil of closed housing.
In the rotary compressor, the first cylinder barrel room with deactivation mechanism close to base bearing, the second cylinder barrel room via
Intermediate demarcation plate and be configured at downside, in the variable operating (cylinder deactivation operating) of mechanical discharge capacity, due to being left from base bearing
Carry out compression operation in second cylinder barrel room, thus the following topics exist: close to the second cylinder barrel room supplementary bearing compared with base bearing,
Bearing load increases and easily causes the increase of mechanical loss, the reliability of bearing reduces.
Also, in the case where the cylinder barrel room with deactivation mechanism is configured at the downside of intermediate demarcation plate, due to invading extremely
The indoor lube oil retention of first cylinder barrel is not via the intercommunicating pore for being set to intermediate demarcation plate in the lower section of the cylinder barrel room
It is sufficiently directed to the operating cylinder barrel room being located above, has and remains lubricating oil and the roller because being eccentrically rotated in cylinder deactivation cylinder barrel room
The problem of making the churn loss increase of oil, and the compressor performance for having mechanical discharge capacity to can be changed when operating (cylinder deactivation operating) reduces
Project.
It is an object of the invention to obtain following closed rotating compressor and use the closed rotating compressor
Refrigerating air-conditioning, for having the enclosed rotary pressure for the cylinder barrel that can carry out the switching compressed-stopped according to load
The Performance And Reliability that contracting machine can be improved mechanical discharge capacity when can be changed operating (cylinder deactivation operating).
Solution for solving the problem
To achieve the goals above, closed rotating compressor of the invention has: closed container, is equipped with a discharge
Pipe and two suction lines；Motor is arranged in the closed container, rotates rotary shaft；Two rotary compression important documents, they
Set on the lower section of the motor, driven by the rotation of above-mentioned rotary shaft；And demarcation plate, separate two rotary compressions and wants
Part, each rotary compression important document include cylinder barrel, have the cylinder barrel room being connected to via suction passage with above-mentioned suction line；Roller,
Above-mentioned cylinder barrel room is accommodated in a manner of being eccentrically rotated freely；Above-mentioned cylinder barrel room is divided into suction chamber and discharge chambe by blade；
And drainage valve gear, the compressed working fluid in above-mentioned cylinder barrel room is discharged into above-mentioned closed container, downside
Rotary compression important document has the deactivation mechanism for stopping compression operation and draws the cylinder barrel oil invaded to the lubricating oil of above-mentioned cylinder barrel room
Logical circulation road is equipped in above-mentioned demarcation plate by the suction chamber of the rotary compression important document of downside and the rotary compression important document of upside
The demarcation plate oil flow passages of suction chamber connection.
The effect of invention is as follows.
According to the present invention, have and can get performance when can be improved the variable operating (cylinder deactivation operating) of mechanical discharge capacity and reliably
Property closed rotating compressor and using the closed rotating compressor and the excellent refrigerating air-conditioning of annual efficiency
Effect.
Detailed description of the invention
Fig. 1 is the longitudinal section view of the closed rotating compressor of embodiment 1.
Fig. 2 is the A-A sectional elevation of Fig. 1.
Fig. 3 is the B-O-B cross-sectional view of Fig. 2.
Fig. 4 is the major part enlarged cross-sectional view for showing Fig. 3 of twin-tub operating condition.
Fig. 5 is the major part enlarged cross-sectional view for showing Fig. 3 of single cylinder cylinder deactivation operating condition.
Fig. 6 is the C-O-B cross-sectional view of Fig. 2 of the oil flow passages construction for the feature for being shown as embodiment 1.
Fig. 7 is the D-D cross-sectional view of Fig. 6.
Fig. 8 is the perspective view in the inner wall of cylinder face from cylinder barrel center near blade.
Fig. 9 is the A-A sectional elevation of Fig. 1 in embodiment 2.
Figure 10 is the major part enlarged cross-sectional view of Fig. 9.
Figure 11 is the perspective view in the inner wall of cylinder face from the cylinder barrel center of Fig. 9 near blade.
Figure 12 is the schematic diagram for having the refrigerating cycle of refrigerating air-conditioning of closed rotating compressor of the invention.
Specific embodiment
Hereinafter, the embodiment of the present invention is described in detail using attached drawing.The same symbol in the attached drawing of each embodiment
Same parts or corresponding part are shown.
Embodiment 1
It is illustrated using closed rotating compressor of the Fig. 1 to Fig. 8 to embodiment 1.Fig. 1 is the closed of twin-tub type
The longitudinal section view of rotary compressor, Fig. 2 are the A-A sectional elevations of Fig. 1, and Fig. 3 is the B-O-B cross-sectional view of Fig. 2, Fig. 4 be show it is double
The major part enlarged cross-sectional view of Fig. 3 of cylinder operating condition, Fig. 5 are the major parts for showing Fig. 3 of single cylinder cylinder deactivation operating condition
Enlarged cross-sectional view, Fig. 6 are the C-O-B major part enlarged cross-sectional views for showing Fig. 2 of oil flow passages construction of embodiment 1, and Fig. 7 is
The D-D cross-sectional view of Fig. 6, Fig. 8 are the perspective views in the inner wall of cylinder face from cylinder barrel center near blade.
In FIG. 1 to FIG. 3,1 is provided with the closed container of a discharge pipe and two suction lines, under the closed container 1
There are two rotary compression important document portions 2 for portion's storage, are accommodated with the motor part 3 in two rotary compression important document portions 2 of driving, electricity on top
Motivation portion 3 and rotary compression important document portion 2 link via the rotary shaft 4 of arranged perpendicular.Motor part 3 is by being fixed on closed container 1
Inner surface stator 3a and keep predetermined gap be disposed in the inside of stator 3a and be fixed on the rotor 3b structure of rotary shaft 4
At.Also, motor part 3 is electrically connected with the frequency converter (not shown) of control operating frequency.
Rotary compression important document portion 2 is rotated by the first upper and lower rotary compression important document portion 2A and second for being disposed in demarcation plate 5
Important document portion 2B is compressed to constitute.First rotary compression important document portion 2A of upside has the first cylinder barrel 6A, the second rotary compression of downside
Important document portion 2B has the second cylinder barrel 6B.The lower surface weight of first cylinder barrel 6A and the base bearing 7 for the inner surface for being fixed on closed container 1
It is folded, supplementary bearing 8 is installed in the lower surface of the second cylinder barrel 6B.Rotary shaft 4 rotates freely ground axle suspension in base bearing 7 and supplementary bearing 8,
The inside of the first cylinder barrel 6A, the second cylinder barrel 6B position and with about 180 ° of phase difference be integrally provided with two eccentric part 4a,
4b.Rotatably freely being fitted into the periphery of each eccentric part 4a, 4b has roller 9a, 9b.First cylinder barrel 6A and the second cylinder barrel 6B is by dividing
Partition 5, base bearing 7 and supplementary bearing 8 divide top and bottom, the first cylinder barrel room 10a are formed in the first cylinder barrel 6A, in the second cylinder barrel
The second cylinder barrel room 10b is formed in 6B.
The discharge cover 7a to form the discharge space of compressed working fluid, discharge cover 7a covering are installed in base bearing 7
It is assemblied in the drainage valve gear 7b of the end plate of base bearing 7.Discharge cover 8a, discharge cover 8a covering assembly are also installed in supplementary bearing 8
In the drainage valve gear 8b of the end plate of supplementary bearing 8.The drainage valve gear 7b of base bearing 7 is connected to the first cylinder barrel room 10a, works as cylinder barrel
It is opened wide when rising to predetermined pressure because of compression in the 10a of room, compressed working fluid is discharged into discharge cover 7a.Countershaft
It holds 8 drainage valve gear 8a to be connected to the second cylinder barrel room 10b, when rising to predetermined pressure because of compression in the 10b of cylinder barrel room
When open wide, to discharge cover 8a in compressed working fluid is discharged.
Reciprocating motion is accommodated in the first cylinder barrel 6A and the second cylinder barrel 6B to be disposed in freely in each cylinder barrel room 10a, 10b
Blade 11a, 11b are accommodated with leaf spring 12a, 12b in the rear end of each blade, and leaf spring 12a, 12b will be each using elastic force
Vane nose portion abuts and acts on the periphery roller 9a, 9b.The lower end of rotary shaft 4 is exposed to 8 lower section of supplementary bearing, and accumulation is immersed in
In the lubricating oil 19 of 1 bottom of closed container.Oil feed pump is installed in the lower end surface of rotary shaft 4, it can be logical via fuel feeding from here
Each sliding part that road direction constitutes the component of the second rotary compression important document portion 2B and the first rotary compression important document portion 2A supplies lubricating oil.
On 15 top of suction tank with gas-liquid separating function, the suction that working fluid is flowed into from external refrigerating circuit is connected
Enter pipe 14, and is directed to the first suction line 16a and the second suction line 16b of compressor in the connection of 15 bottom of suction tank.First sucking
Pipe 16a via the suction passage 17a for being formed in the first cylinder barrel 6A and be connected in the first cylinder barrel room 10a, the second suction line 16b warp
By be formed in the suction passage 17b of the second cylinder barrel 6B and be connected in the second cylinder barrel room 10b.
18 be the discharge pipe for flowing out the working fluid of the high pressure in closed container 1 to external refrigerating circuit.In addition, 28
It is the fixing bolt in assemble compressible important document portion, 29 be to guide the working fluid being expelled in the discharge cover 8a of downside to upside
Drain passageway in discharge cover 7a.
As the method for the variable operating (cylinder deactivation operating) of mechanical discharge capacity for realizing closed rotating compressor, known in special
Make the same pressure in front end and rear end of movable vane (blade) without applying differential pressure and so as to moving disclosed in sharp document 1
Mode outstanding is by permanent magnet adsorbing, the method for limiting movable vane not into cylinder barrel for leaf, but in the present embodiment, to can be by more
Easy constitution realization cylinder deactivation is operated and is illustrated using electromagnetic force come the method for mechanically limiting blade.
20 be the solenoid for controlling the movement of blade 11b, is electrically connected with the power switch circuit (not shown) of compressor.
20a is the movable core of solenoid 20, and 20b is the installation part that solenoid 20 is fixed on to the second cylinder barrel 6B, and 21 be to move back and forth
It is disposed in the sliding pin of the end plate of supplementary bearing 8 freely, one end is connected to movable core 20a.22 be the power supply in solenoid 20
Sliding pin 21 is released when disconnection to the backspring of the limitation of blade, 23 are formed at the lower end surface of blade 11b and and sliding pin
The slot of the 21 end engaging with inclined surface.
The delivery operating of the present embodiment and the variable operating (cylinder deactivation operating) of mechanical discharge capacity are said according to Fig. 4, Fig. 5
It is bright.
Fig. 4 shows delivery (twin-tub) operating that the first cylinder barrel room 10a and the second cylinder barrel room 10b plays compression
State.It in delivery operating, is not powered to solenoid 20, because without acting on magnetic attraction, sliding pin 21 to movable core 20a
It is moved downwards because of the elastic force of backspring 22, movable core 20a also becomes the state for being connected to the limiting section of lower end, not right
Blade 11b acts on the mechanical limitation of its movement of any restrictions.Therefore, if being powered to motor, driving rotary shaft 4 is allowed to revolve
Turn, then in the first cylinder barrel room 10a, the second cylinder barrel room 10b, first, second roller 9a, 9b carries out eccentric motion, each blade
11a, 11b by leaf spring 12a, 12b exert a force and be connected to the first, second periphery roller 9a, 9b, thus twin-tub room 10a,
Common compression is played in 10b, the working fluid of high pressure is discharged via each discharge cover 7a, 8a into closed container 1, and leads to
The discharge pipe 18 for crossing 1 top of closed container is flowed out to external refrigerating cycle.
Fig. 5 shows the machine that the first cylinder barrel room 10a carries out common compression operation, the second cylinder barrel room 10b carries out cylinder deactivation operating
The variable operating (operating of single cylinder cylinder deactivation) of tool formula discharge capacity.Halve in operating in discharge capacity, by being powered to solenoid 20, to movable iron
Core 20a acts on magnetic attraction, and the elastic force for making sliding pin 21 overcome backspring 22 is moved upward, into being formed in blade 11b
Lower end surface slot 23.If sliding pin 21 enters the slot 23 of blade 11b, even if blade 11b is pressed by leaf spring 12b,
It does not return in the 10b of cylinder barrel room.Therefore, even if being powered to motor, driving rotary shaft 4 is allowed to rotate, in the first cylinder barrel room
In 10a, the second cylinder barrel room 10b, first, second roller 9a, 9b carry out eccentric motion, due in the second cylinder barrel room 10b not by leaf
Piece 11b separates, so changing without the volume in the 10b of cylinder barrel room, does not play compression.On the other hand, due in the first cylinder
In cylinder room 10a, blade 11a abuts and acts on the first periphery roller 9a because of leaf spring 12a, so in the 10a of cylinder barrel room
Common compression is played, the working fluid of high pressure is discharged via discharge cover 7a into closed container 1, and passes through closed container
The discharge pipe 18 on 1 top is flowed out to external refrigerating cycle.In addition, simply just stopping blade 11b's using sliding pin 21
Movement, although compression can be eliminated, near top dead center locations of the two in roller 9b close to blade 11b are collided, and are easy
Lead to the problem of noise, mechanical loss increases.
In order to eliminate the problem, in the present embodiment, make the sliding engaged with the slot 23 for the lower end surface for being formed in blade 11b
The end abutment face of pin 21 is inclined surface, and pulls blade 11b until before blade 11b using the magnetic attraction of solenoid 20
End is located at the position that dimension delta is retreated from the inner wall of the second cylinder barrel room 10b.
Next, being had in the cylinder barrel of deactivation mechanism according to Fig. 6~Fig. 8 to the elimination of the feature as the present embodiment
The remaining oil flow passages of lubricating oil are illustrated.In attached drawing, 24 are formed at the cylinder for carrying out the second cylinder barrel 6B of cylinder deactivation operating
Cylinder oil flow passages, the position between blade 11b and suction passage 17b are formed in such a way that edge is axially through cylinder barrel 6B.24a
It is the cylinder barrel notch for making the lower end of cylinder barrel oil flow passages 24 be open in cylinder barrel room 10b, 25 are formed at the oily with cylinder barrel of demarcation plate 5
The demarcation plate oil flow passages that logical circulation road 24 is connected to consider that assembling deviation keeps its diameter bigger than the diameter of cylinder barrel oil flow passages 24.26
It is to make the upper end of demarcation plate oil flow passages 25 in the cylinder barrel notch for the operating side cylinder barrel 6A that cylinder barrel room 10a is open.In addition, 7b ' is
The outlet engaged with the outlet of the drainage valve gear 7b of base bearing 7,8b ' are the rows with the drainage valve gear 8b of supplementary bearing 8
Export the outlet of engaging.
As described above, halving in operating in discharge capacity, the suction line 16b that the second cylinder barrel room 10b internal cause is connect with suction tank 15
The suction passage 17b that is connected to with suction line 16b and continue low-pressure state.On the other hand, due in the first cylinder barrel room 10a
Common compression operation is carried out, so the working fluid of high pressure is discharged to closed container 1 and becomes high pressure shape in closed container 1
State.Therefore, the lubricating oil 19 of the bottom of closed container 1 is accumulated in from each component parts of the second rotary compression important document portion 2B of composition
Gap invade to the second cylinder barrel room 10b.Lubricating oil after intrusion is stranded in second cylinder barrel room 10b because of the effect of gravity
Lower section.The lubricating oil of delay is as indicated by the arrows in fig. 8 via on cylinder barrel oil flow passages 24 and demarcation plate oil flow passages 25
It is drawn to the first rotary compression important document portion 2A.That is, due to playing compression in the first cylinder barrel room 10a, so by cylinder barrel notch
The pressure of 25 side of demarcation plate oil flow passages of 26 openings becomes the negative pressure lower than suction pressure (pressure in suction tank 15).Another party
Face, since the pressure in the second cylinder barrel room 10b is maintained suction pressure, so invading because of the pressure difference of the two to the second cylinder barrel
Lubricating oil in the 10b of room leads to from the cylinder barrel notch 24a of the underpart opening in the second cylinder barrel 6B by upper suction, and by cylinder barrel oil stream
Road 24, demarcation plate oil flow passages 25 are guided by cylinder barrel notch 26 to the first cylinder barrel room 10a, thus eliminate and having deactivation mechanism
Downside cylinder barrel room 10b in remaining lubricating oil, be able to suppress the caused loss of oil stirring.Also, it utilizes and passes through cylinder barrel
Oil flow passages 24 and demarcation plate oil flow passages 25 and guide lubricating oil supply, can be improved operating cylinder barrel side first rotation pressure
The oil sealing of contracting important document portion 2A improves performance, it is thus possible to realize performance and closed rotating compressor excellent in reliability.
In the present embodiment, cylinder barrel oil flow passages 24 and demarcation plate oil flow passages 25 are all formed as the area of passage than connection
The area of passage of the first suction passage 17a and the second suction passage 17b of cylinder barrel room and suction line are sufficiently small.As a result, complete
When discharge capacity operates, cylinder barrel oil flow passages 24 and demarcation plate oil flow passages 25 and the first rotary compression important document portion 2A and second are prevented
The working fluid sucking effect of rotary compression important document portion 2B interferes, so that respective compression efficiency will not be damaged.
In addition, in the present embodiment, the second rotary compression important document portion 2B for having deactivation mechanism is equipped in 8 side of supplementary bearing,
And the first rotary compression important document portion 2A of not cylinder deactivation is equipped in 7 side of base bearing.Even if as a result, in the variable operating of mechanical discharge capacity
When (cylinder deactivation operating), most of bearing load can be also shared by base bearing 7, thus replaces two rotary compression important document portions with upper and lower
Configuration made of construct and compare, the reliability of the increase and bearing that are able to suppress mechanical loss reduces.
Next, the refrigerating cycle structure chart according to shown in Figure 12, enters to have the enclosed rotary of the present embodiment to compress group
The concrete example of the refrigerating air-conditioning of machine is illustrated.Figure 12 is the freezing for having the closed rotating compressor 30 of the present embodiment
The schematic diagram of circulation.Herein, to use R32 refrigerant as being illustrated for the refrigerating cycle of working fluid.The whole world of R32
The latent energy value (GWP) that warms is smaller compared with the refrigerant R410A used in refrigerating and air conditioning system all the time, from preventing the whole world
It is the refrigerant attracted attention in recent years from the viewpoint of warming.
In Figure 12, the component for marking symbol identical with Fig. 1 is identical component and plays identical effect, and shows tool
The refrigerating cycle 31 of the closed rotating compressor 30 of standby the present embodiment.Also, 32 be condenser, and 33 be expansion valve, and 34 be to steam
Device is sent out, these components are sequentially connected by refrigerant piping 35, thus constitute refrigerating cycle.
Next, being illustrated to the flowing of the refrigerant in Figure 12.Height after the discharge of closed rotating compressor 30
Warm, high pressure refrigerant enters condenser 32 and radiates, so that temperature reduces.The refrigerant flowed out from the condenser 32 enters swollen
Swollen valve 33, become low temperature, low pressure gas-liquid two-phase refrigerant and be discharged.The gas-liquid two-phase refrigerant flowed out from above-mentioned expansion valve 33
Above-mentioned closed rotating compressor 30 is absorbed heat, gasified and be back into above-mentioned evaporator 34, is compressed, is repeated later again
Identical circulation.If refrigerating plant as a result, then by the cooling cooled object of above-mentioned evaporator 34.If air-conditioning device, then by upper
The cooling room air of evaporator 34 is stated heat for blowdown firing or by above-mentioned 32 heating indoor air of condenser
Operating.More than, by having the closed rotating compressor 30 of the present embodiment, it is capable of providing the variable operating of mechanical discharge capacity and (stops
Cylinder operating) when the excellent closed rotating compressor of Performance And Reliability, and can be realized the performance of refrigerating and air conditioning system
And the raising of reliability.
According to the structure of embodiment 1 described above, the oily churn loss for being able to carry out cylinder deactivation cylinder barrel reduces and fortune
The oil seal for turning cylinder barrel improves bring performance improvement, it is thus possible to realize performance and enclosed rotary pressure excellent in reliability
Contracting machine.Has the raising of the Performance And Reliability of refrigerating and air conditioning system of the compressor further, it is possible to realize.
In addition, in embodiment 1, the compression important document portion for being applied to twin-tub type is illustrated, but the present invention is unlimited
Due to this, the rotary compressor in the compression important document portion for having three cylinder types can also apply to.In addition, not having deactivation mechanism
Rotary compression important document portion in, with being not limited to paddles elastomeric by the construction of pressure roller, such as integrally form in roller and blade
Swing type rotary compressor in also obtain identical effect.
Embodiment 2
Fig. 9 is the sectional elevation (Section A-A for being equivalent to Fig. 1) of the closed rotating compressor of embodiment 2, and Figure 10 is figure
9 major part enlarged cross-sectional view, Figure 11 are the perspective views in the inner wall of cylinder face from the cylinder barrel center of Fig. 9 near blade.
In attached drawing, the component for marking symbol identical with Fig. 1 is identical component and plays identical effect.
In the present embodiment, it is formed with suction chamber in the cylinder barrel room for the rotary compression important document for having deactivation mechanism, and inhaled
Enter cylinder barrel room and suction line that access connects other rotary compression important documents, it is logical by the way that the above-mentioned suction chamber of connection and above-mentioned sucking is arranged
The oil flow passages on road more effectively can be such that intrusion stops to having using the pressure difference in the two sides space of oil flow passages opening
The indoor lubricating oil of the cylinder barrel of cylinder mechanism is guided by oil flow passages to operating cylinder barrel.
In Fig. 9~Figure 11,25a is to be connected to and guide the circulating direction of oil logical to sucking with demarcation plate oil flow passages 25
The demarcation plate oil stream through slot of the lower part of road 17a, 27 be the cylinder barrel oil stream for being connected to demarcation plate oil stream through slot 25a and suction passage 17a
Access.
It operates in the pressure and the first cylinder barrel room 10a in the suction passage 17a of the opening of cylinder barrel oil flow passages 27 of cylinder barrel side
Pressure compare, play dynamic pressure effect caused by the flowing of working fluid and become lower negative pressure.As cylinder deactivation cylinder barrel
Pressure in second cylinder barrel room 10b is maintained suction pressure, thus invades because of the pressure difference of the two to the second cylinder barrel room 10b
Lubricating oil inhaled from the cylinder barrel notch 24a of the underpart opening in the second cylinder barrel 6B as shown in the arrow of Figure 11, pass through cylinder
Cylinder oil flow passages 24, demarcation plate oil flow passages 25 and demarcation plate oil stream through slot 25a and by the guidance of cylinder barrel oil flow passages 27 to inhaling
Enter in access 17a, so as to more effectively guide intrusion to the lubricating oil in cylinder deactivation cylinder barrel to operating cylinder barrel side.In this reality
It applies in example, it is same as Example 1, it can eliminate and have the residual of the lubricating oil in the cylinder barrel of deactivation mechanism to improve closed rotation
Performance, the reliability of rotary compressor.
The explanation of symbol
1-closed container, 2-rotary compression important document portions, 2A-the first rotary compression important document portion, the second rotary compression of 2B-
Important document portion, 3-motor parts, 3a-stator, 3b-rotor, 4-rotary shafts, 4a, 4b-eccentric part, 5-demarcation plates, 6A-
One cylinder barrel, the second cylinder barrel of 6B-, 7-base bearings, 7a-discharge cover, 7b-drainage valve gear, 8-supplementary bearings, 8a-discharge cover,
8b-drainage valve gear, 9a, 9b-roller, the first cylinder barrel of 10a-room, the second cylinder barrel of 10b-room, 11a, 11b-blade, 12a,
12b-leaf spring, 14-suction lines, 15-suction tanks, 16a, 16b-suction line, 17a, 17b-suction passage, 18-rows
Outlet pipe, 19-lubricating oil, 20-solenoids, 20a-movable core, 20b-installation part, 21-sliding pins, 22-backsprings,
23-slots, 24-cylinder barrel oil flow passages, 24a-cylinder barrel notch, 25-demarcation plate oil flow passages, 25a-demarcation plate oil stream through slot,
26-cylinder barrel notch, 27-cylinder barrel oil flow passages, 28-fixing bolts, 29-drain passageways, 30-closed rotating compressors,
31-refrigerating cycles, 32-condensers, 33-expansion valves, 34-evaporators, 35-refrigerant pipings.
Claims (8)
1. a kind of closed rotating compressor, has:
Closed container is equipped with a discharge pipe and two suction lines；
Motor is arranged in the closed container, rotates rotary shaft；
Two rotary compression important documents, they are set to the lower section of the motor, are driven by the rotation of above-mentioned rotary shaft；And
Demarcation plate separates two rotary compression important documents,
Above-mentioned closed rotating compressor is characterized in that,
Each rotary compression important document includes cylinder barrel, has the cylinder barrel room being connected to via suction passage with above-mentioned suction line；Rolling
Cylinder, is accommodated in above-mentioned cylinder barrel room in a manner of being eccentrically rotated freely；Above-mentioned cylinder barrel room is divided into suction chamber and pressure by blade
Contracting room；And drainage valve gear, it compressed working fluid will be discharged into above-mentioned closed container in above-mentioned cylinder barrel room,
The rotary compression important document of downside has the deactivation mechanism for stopping compression operation and will invade to the lubricating oil of above-mentioned cylinder barrel room
The cylinder barrel oil flow passages of upper suction,
Demarcation plate oil flow passages are equipped in above-mentioned demarcation plate, the rotary compression important document of demarcation plate oil flow passages connection downside
The suction chamber of suction chamber and the rotary compression important document of upside.
2. a kind of closed rotating compressor, has:
Closed container is equipped with a discharge pipe and two suction lines；
Motor is arranged in the closed container, rotates rotary shaft；
Two rotary compression important documents, they are set to the lower section of the motor, are driven by the rotation of above-mentioned rotary shaft；And
Demarcation plate separates two rotary compression important documents,
Above-mentioned closed rotating compressor is characterized in that,
Each rotary compression important document includes cylinder barrel, has the cylinder barrel room being connected to via suction passage with above-mentioned suction line；Rolling
Cylinder, is accommodated in above-mentioned cylinder barrel room in a manner of being eccentrically rotated freely；Above-mentioned cylinder barrel room is divided into suction chamber and pressure by blade
Contracting room；And drainage valve gear, it compressed working fluid will be discharged into above-mentioned closed container in above-mentioned cylinder barrel room,
The rotary compression important document of downside has the deactivation mechanism for stopping compression operation and will invade to the lubricating oil of above-mentioned cylinder barrel room
The cylinder barrel oil flow passages of upper suction,
Demarcation plate oil flow passages are equipped in above-mentioned demarcation plate, the rotary compression important document of demarcation plate oil flow passages connection downside
The suction passage of suction chamber and the rotary compression important document of upside.
3. closed rotating compressor according to claim 1 or 2, which is characterized in that
The rotary compression important document of above-mentioned downside is following rotary compressor: flexibly being pressed by the front end of above-mentioned blade
Compression operation is carried out in the state of the periphery of above-mentioned roller, leaves the front end of above-mentioned blade from the periphery of above-mentioned roller
In the state of carry out cylinder deactivation operating,
The rotary compression important document of above-mentioned upside is in the periphery that the front end of above-mentioned blade is flexibly pressed on to above-mentioned roller
Under state carry out compression operation rotary compressor either using the above-mentioned roller being formed as one with above-mentioned blade come into
The oscillating compressor of row compression operation.
4. closed rotating compressor according to claim 1 or 2, which is characterized in that
In above-mentioned demarcation plate oil flow passages, rotation pressure of the lubricating oil from the rotary compression important document of above-mentioned downside towards above-mentioned upside
The circulation of contracting important document.
5. closed rotating compressor according to claim 1 or 2, which is characterized in that
The area of passage of above-mentioned demarcation plate oil flow passages is formed as smaller than the area of passage of above-mentioned suction passage.
6. closed rotating compressor according to claim 1 or 2, which is characterized in that
Underpart opening of the above-mentioned cylinder barrel oil flow passages in above-mentioned cylinder barrel.
7. closed rotating compressor according to claim 1 or 2, which is characterized in that
Above-mentioned working fluid is R32.
8. a kind of refrigerating air-conditioning, have with refrigerant piping connection closed rotating compressor, condenser, expansion device,
And refrigerating cycle made of evaporator, above-mentioned refrigerating air-conditioning are characterized in that,
Above-mentioned closed rotating compressor is closed rotating compressor of any of claims 1 or 2.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-141211 | 2016-07-19 | ||
| JP2016141211A JP6363134B2 (en) | 2016-07-19 | 2016-07-19 | Hermetic rotary compressor and refrigeration air conditioner |
| PCT/JP2017/025110 WO2018016364A1 (en) | 2016-07-19 | 2017-07-10 | Hermetic rotary compressor and refrigeration and air-conditioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109154296A true CN109154296A (en) | 2019-01-04 |
| CN109154296B CN109154296B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780032185.6A Active CN109154296B (en) | 2016-07-19 | 2017-07-10 | Hermetic rotary compressor and refrigerating and air-conditioning apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6363134B2 (en) |
| CN (1) | CN109154296B (en) |
| WO (1) | WO2018016364A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746961A (en) * | 2019-10-30 | 2021-05-04 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration cycle device with same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935412B (en) * | 2019-12-06 | 2023-06-09 | 浙江光华科技股份有限公司 | Charging anti-agglomeration device in saturated polyester resin production |
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| JP2007146747A (en) * | 2005-11-28 | 2007-06-14 | Matsushita Electric Ind Co Ltd | Refrigerating cycle device |
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2016
- 2016-07-19 JP JP2016141211A patent/JP6363134B2/en active Active
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- 2017-07-10 WO PCT/JP2017/025110 patent/WO2018016364A1/en active Application Filing
Patent Citations (6)
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| JP2001289189A (en) * | 2000-04-07 | 2001-10-19 | Matsushita Electric Ind Co Ltd | Two-stage compressible refrigerant compressor |
| CN1837619A (en) * | 2005-03-24 | 2006-09-27 | 松下电器产业株式会社 | Hermetic rotary compressor |
| JP2007146747A (en) * | 2005-11-28 | 2007-06-14 | Matsushita Electric Ind Co Ltd | Refrigerating cycle device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109154296B (en) | 2020-09-01 |
| WO2018016364A1 (en) | 2018-01-25 |
| JP6363134B2 (en) | 2018-07-25 |
| JP2018013042A (en) | 2018-01-25 |
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