CN108071590A - cylinder, compression mechanism and compressor - Google Patents
cylinder, compression mechanism and compressor Download PDFInfo
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- CN108071590A CN108071590A CN201810107258.XA CN201810107258A CN108071590A CN 108071590 A CN108071590 A CN 108071590A CN 201810107258 A CN201810107258 A CN 201810107258A CN 108071590 A CN108071590 A CN 108071590A
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- cylinder
- mounting groove
- air
- air valve
- valve mounting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- 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
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
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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
- F04C2240/00—Components
- F04C2240/10—Stators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of cylinder, compression mechanism and compressors.Cylinder chamber, sliding vane groove and air valve mounting groove are formed on cylinder, cylinder chamber is formed as cylindrical cavity, the inner end connection cylinder chamber of sliding vane groove, air valve mounting groove is located at the outer end of sliding vane groove and is connected with sliding vane groove, air valve mounting groove at least opens wide to install air-valve assembly in the axial one side of cylinder, and size of the air valve mounting groove on the thickness direction of sliding vane groove is more than the thickness of sliding vane groove.Improved cylinder according to embodiments of the present invention, provides not only the second working chamber using slide plate compressed gas, and additionally provides to install the air valve mounting groove of air-valve assembly, and feasible organization plan is provided to the normal operation of the second working chamber.It while efficiency is improved, is simple to manufacture, installation is reliable, can meet the requirement of high performance-price ratio.
Description
Technical field
The present invention relates to compression device technical field, more particularly, to a kind of cylinder, compression mechanism and compressor.
Background technology
Winter, air-conditioning system at low ambient temperatures significantly decayed by heating capacity, is unable to reach since indoor/outdoor temperature-difference is big
User is to the demand of heat.The reason is as follows that：Firstth, under low temperature environment, refrigerant density is smaller at compressor air suction mouth, causes to make
Cryogen soakage reduces, and then influences the heating capacity of air-conditioning system；Secondth, since indoor/outdoor temperature-difference is larger, air-conditioning system evaporation
Temperature and condensation temperature most diverse, meeting shwoot goes out a large amount of gases after throttling, and refrigerant distributes between causing evaporator difference flow path
It is uneven, evaporator heat transfer efficiency is influenced, simultaneously because the heat that these flash gas enter evaporator absorption is smaller, and is tied up
Evaporator pipeline space is but very big, and pipeline very high surface area is made to lose the function of liquid conductive, further affects evaporator
Heat exchange efficiency.
In order to solve above-mentioned problem, in recent years, gas coolant is applied with spray regime on compressor and freeze cycle
Technology paid close attention to by people, particularly make progress with the research of the feature of twin-tub rotation-type compressor.However, using double
It is apparent that the technology that cylinder rotary compressor is sprayed causes compressor cost to increase, if moreover, efficiency or heating capacity carry
If rising unobvious, it is low to also result in cost performance.
The content of the invention
It is contemplated that at least solve one of technical problem in the prior art.For this purpose, one object of the present invention
It is to propose a kind of cylinder, piston, slide plate and air-valve assembly can be set in the cylinder, making cylinder tool, there are two compression chamber.
It is another object of the present invention to propose a kind of compression mechanism with above-mentioned cylinder.
It is another object of the present invention to propose a kind of compressor with compression mechanism.
Cylinder according to embodiments of the present invention is formed with cylinder chamber, sliding vane groove and air valve mounting groove on the cylinder, described
Cylinder chamber is formed as cylindrical cavity, and the inner end of the sliding vane groove connects the cylinder chamber, and the air valve mounting groove is located at the cunning
It the outer end of film trap and is connected with the sliding vane groove, the air valve mounting groove at least opens wide to install in the axial one side of the cylinder
Air-valve assembly, size of the air valve mounting groove on the thickness direction of the sliding vane groove are more than the thickness of the sliding vane groove.
Improved cylinder according to embodiments of the present invention, provides not only the second working chamber using slide plate compressed gas,
And additionally provide to install the air valve mounting groove of air-valve assembly, provide feasible knot to the normal operation of the second working chamber
Structure scheme.It while efficiency is improved, is simple to manufacture, installation is reliable, can meet the requirement of high performance-price ratio.
In some embodiments, the surface of the direction cylinder chamber of the air valve mounting groove is formed as smooth flat.
In some embodiments, the air valve mounting groove perpendicular to the section of axis be formed as rectangle or it is trapezoidal or
Person's semicircle or oval.
In some embodiments, the inner circumferential corner of the air valve mounting groove is connected with arc transition, the air valve installation
Slot is connected with the junction of the sliding vane groove with arc transition.
In some embodiments, a part of periphery wall of the cylinder, which extends radially outward, is formed as the first thickening part,
The air valve mounting groove is located on first thickening part.
In some embodiments, the portion perimeter wall opposite with the air valve mounting groove of the cylinder radially prolongs
It stretches to form the second thickening part.
In some embodiments, the surface of the direction cylinder chamber of the air valve mounting groove is formed as adding with described second
The parallel plane of the outer circumferential surface in thick portion.
Compression mechanism according to embodiments of the present invention, including：Cylinder, the cylinder are according to the embodiment of the present invention
Cylinder；Piston, the piston are rotatably arranged in the cylinder chamber；Slide plate, the slide plate are movably located at the slide plate
In slot, the head end of the slide plate stops the periphery wall for supporting or connecting the piston；Air-valve assembly, the air-valve assembly are located at described
In air valve mounting groove；Wherein, the part in the cylinder chamber on the outside of the piston forms the first working chamber, the sliding vane groove
The interior part between the slide plate and the air-valve assembly forms the second working chamber.
Compression mechanism according to embodiments of the present invention provides not only the second working chamber using slide plate compressed gas, and
And additionally provide to install the air valve mounting groove of air-valve assembly, provide feasible structure to the normal operation of the second working chamber
Scheme.It is simple to manufacture, installation is reliable, can meet the requirement of high performance-price ratio.
Compressor according to embodiments of the present invention, including the compression mechanism described in above-described embodiment according to the present invention.
Compressor according to embodiments of the present invention, have the advantages that it is cost-effective, be simple to manufacture, install it is reliable.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
It obtains substantially or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the cross section structure schematic diagram of cylinder according to embodiments of the present invention；
Fig. 2 is the schematic cross-section of air valve mounting groove according to an embodiment of the invention；
Fig. 3 is the schematic cross-section of air valve mounting groove in accordance with another embodiment of the present invention；
Fig. 4 is the schematic cross-section of the air valve mounting groove of another embodiment according to the present invention；
Fig. 5 is the schematic cross-section of the air valve mounting groove of further embodiment according to the present invention；
Fig. 6 is the structural section schematic diagram of compression mechanism according to embodiments of the present invention；
Fig. 7 is the structural section schematic diagram of compression mechanism according to an embodiment of the invention；
Fig. 8 is the structural section schematic diagram of compression mechanism in accordance with another embodiment of the present invention；
Fig. 9 is the structural section schematic diagram of the compression mechanism of another embodiment according to the present invention；
Figure 10 is the structural section schematic diagram of slide plate according to an embodiment of the invention；
Figure 11 is the principle schematic of refrigerating plant according to embodiments of the present invention.
Reference numeral：
100：Refrigerating plant；
1：First Heat Exchanger；2：Second heat exchanger；
3：Flash vessel；31：Import；32：First outlet；33：Second outlet；
4：Compressor；
40：Compression mechanism；
41：Cylinder；410：Cylinder chamber；411：First working chamber；412：Second working chamber；
413：First air entry；414：First row gas port；415：Sliding vane groove；416：Air valve mounting groove；
4161：Second air entry；4162：Second exhaust port；
417：First thickening part；418：Second thickening part；
42：Piston；421：Groove；
43：Slide plate；431：Protrusion；432：Magnet iron piece；
44：Air-valve assembly；441：Extension；442：Air intake passage；
45：Spring；
5：First throttle element；6：Second restricting element；
7：Control valve；71：First valve port；72：Second valve port；73：3rd valve port；74：4th valve port.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
The structure of cylinder 41 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 6.
Cylinder 41 according to embodiments of the present invention as shown in figures 1 to 6, is formed with cylinder chamber 410, slide plate on cylinder 41
Slot 415 and air valve mounting groove 416, cylinder chamber 410 are formed as cylindrical cavity, the inner end connection cylinder chamber 410 of sliding vane groove 415, gas
Valve mounting groove 416 is located at the outer end of sliding vane groove 415 and is connected with sliding vane groove 415, and air valve mounting groove 416 is at least in the axis of cylinder 41
It opens wide that air-valve assembly 44 is installed to one side, size of the air valve mounting groove 416 on the thickness direction of sliding vane groove 415 is more than slide plate
The thickness of slot 415, the peripheral wall of cylinder 41 are equipped with the first air entry 413 of connection cylinder chamber 410 and connection air valve mounting groove
416 the second air entry 4161.
Here, it is necessary to which explanation, cylindrical cylinder chamber 410 have central axis, the inner end of sliding vane groove 415 refers to
One end of the direction of sliding vane groove 415 central axis, the outer end of sliding vane groove 415 refer to separate central shaft of sliding vane groove 415
One end of line.
In addition, in the description of the present invention, term " " center ", " length ", " width ", " thickness ", " on ", " under ", " perpendicular
Directly ", " level ", " top ", " bottom " " interior ", " outer ", " orientation of the instructions such as axial, " radial direction ", " circumferential direction " or position relationship for based on
Orientation shown in the drawings or position relationship are for only for ease of the description present invention and simplify description rather than instruction or imply institute
The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this hair
Bright limitation.In addition, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more be somebody's turn to do
Feature.In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
In embodiments of the present invention, as shown in Figure 1, ruler by air valve mounting groove 416 on the thickness direction of sliding vane groove 415
The very little thickness more than sliding vane groove 415 is to make air valve mounting groove 416 that there is enough spaces to install air-valve assembly 44, make gas
Valve module 44 can be sealed cooperation to sliding vane groove 415.
To understand the structure improvements of the cylinder 41 of the embodiment of the present invention, describe to improve referring herein to Fig. 1 and Fig. 6
Application of the cylinder 41 in compression mechanism 40 afterwards.Specifically, piston 42, slide plate 43 and air-valve assembly are combined in cylinder 41
44, piston 42 is rolled along the internal perisporium of cylinder chamber 410, and slide plate 43 is movably located in sliding vane groove 415, and the head end of slide plate 43 stops
It is against on the periphery wall of piston 42, air-valve assembly 44 is located in air valve mounting groove 416.
The first working chamber 411 is formed positioned at the part in 42 outside of piston in cylinder chamber 410, is located at slide plate in sliding vane groove 415
Part between 43 and air-valve assembly 44 forms the second working chamber 412, and compression mechanism 40 is equipped with the first working chamber 411 of connection
First air entry 413 and first row gas port 414, compression mechanism 40 are equipped with the second air entry of the second working chamber 412 of connection
4161 and second exhaust port 4162, air-valve assembly 44 for controlling the second air entry 4161 and second exhaust port 4162 to open respectively
It closes.
It is understood that piston 42 drives slide plate 43 to slide or swing in sliding vane groove 415 during rolling,
The slide plate 43 moved back and forth when piston 42 rolls can change the volume of the second working chamber 412, so that in the second working chamber 412
Air pressure alternately reduce and increase.When air pressure is less than setting value in the second working chamber 412, air-valve assembly 44 can open second
Air entry 4161 makes the second working chamber 412 suck gas coolant.After enough cold media gas are sucked, air-valve assembly 44 can close
Second air entry 4161；The variable volume of second working chamber 412 is small and then the gas coolant that gradually reduces；When the second working chamber 412
When interior air pressure is more than setting value, air-valve assembly 44 can open second exhaust port 4162, and high pressure refrigerant in the second working chamber 412 is arranged
Go out.So Xun Huan, using reciprocal slide plate 43, realizes the compression to refrigerant.
As can be seen that in the embodiment of the present invention improved cylinder 41 provide not only using 43 compressed gas of slide plate second
Working chamber 412, and additionally provide to install the air valve mounting groove 416 of air-valve assembly 44, to the normal of the second working chamber 412
Operating provides feasible organization plan.
In the example of fig. 1, the first air entry 413 and first row gas port 414 are located at the both sides of sliding vane groove 415.
In embodiments of the present invention, cylinder 41 thickeies at the position for setting air valve mounting groove 416, and such cylinder 41 is whole
Wall thickness will not be blocked up, while does not interfere with the setting of air valve mounting groove 416 again.
Specifically, as shown in Figure 1, a part of periphery wall of cylinder 41 extends radially outward and is formed as the first thickening part
417, air valve mounting groove 416 is located on the first thickening part 417.
More specifically, as shown in Figure 1, the first air entry 413 is also formed on the first thickening part 417.
In some embodiments, the portion perimeter wall opposite with air valve mounting groove 416 of cylinder 41 extends radially outward
The second thickening part 418 is formed, such cylinder 41 can be fixed on compressor by the first thickening part 417 and the second thickening part 418
Housing on.
Specifically, as shown in Figure 1, the surface S1 towards cylinder chamber 410 of air valve mounting groove 416 is formed as thickening with second
Plane parallel the outer circumferential surface S2 in portion 418.
In conventional compressor, it will usually the outer circumferential surface of the first thickening part, the second thickening part is all provided with being set to arc surface,
Cylinder is fitted in using two thickening parts on housing internal perisporium.But due to being provided with air valve mounting groove in the embodiment of the present invention
416, air-valve assembly 44 is mounted in air valve mounting groove 416, and air-valve assembly 44 needs to ensure with air valve mounting groove 416 towards gas
The relation of certain close fit is formed between the surface S1 of cylinder chamber 410.Selection is thickeied second in the embodiment of the present invention therefore
The outer circumferential surface S2 in portion 418 is processed into plane, then by the surface S1 towards cylinder chamber 410 of air valve mounting groove 416 be processed into
Outer circumferential surface S2 is parallel.
Specifically, the mating surface to ensure between air-valve assembly 44 and surface S1 there is good seal, it is necessary to
A suitable reference plane is selected on cylinder 41.Here the outer circumferential surface S2 using the second thickening part 418 is selected as the reference
Face can be convenient for the adjustment of following process tool location.
For example, when air-valve assembly 44 is bolted on cylinder 41, it is necessary to be punched on cylinder 41.It if will
Hole deflects, and air-valve assembly 44 and cylinder 41 also easily form gap when connecting between the S1 of surface.Therefore selected here by second
The outer circumferential surface S2 of thickening part 418 is as processing datum, during the surface S1 processing towards cylinder chamber 410 of air valve mounting groove 416
It is as far as possible parallel with S2.When adding hole, the outer circumferential surface S2 of the second thickening part 418 by 41 traverse of cylinder, can be made to contact on workbench,
So using outer circumferential surface S2 as punching reference plane, the surface S1 towards cylinder chamber 410 with air valve mounting groove 416 is also equivalent to
As reference plane, it can ensure that punch position is accurate when adjusting machining tool (such as drill) with this.
In some embodiments of the invention, as shown in Figure 1, sliding vane groove 415 is formed as square groove, sliding vane groove 415 is along gas
The radial direction extension of cylinder chamber 410.The extension side of the surface S1 and sliding vane groove 415 towards cylinder chamber 410 of air valve mounting groove 416
To perpendicular, the surface S1 for being equivalent to air valve mounting groove 416 is set along the direction of the tangent line parallel to cylinder chamber 410.
In different embodiments, the cross section of air valve mounting groove 416 can be arranged to different shapes, can be according to reality
It needs suitably to select, as long as ensureing that the surface S1 towards cylinder chamber 410 of air valve mounting groove 416 is formed as smooth flat.
Such as in fig. 2, air valve mounting groove 416 perpendicular to the section of axis is formed as rectangle, and such installation space is big,
Air-valve assembly 44 assembles easily.
Such as in figure 3, air valve mounting groove 416 is formed as trapezoidal perpendicular to the section of axis, and trapezoidal bottom court
To cylinder chamber 410, trapezoidal top is away from cylinder chamber 410.That is, in the direction upper air valve installation away from cylinder chamber 410
The width of slot 416 is gradually reduced, and the outer wall of such cylinder 41 can keep certain thickness, so as to ensure the rigidity of cylinder 41 and strong
Degree.
Such as in Fig. 4, air valve mounting groove 416 perpendicular to the section of axis is formed as oval, i.e., the section is basic
For rectangle, rectangle length both ends connection semicircle.
Such as in Figure 5, air valve mounting groove 416 perpendicular to the section of axis is formed as semicircle, the gas of this shape
Valve mounting groove 416 can adapt to the air-valve assembly 44 of semi-circle shape.
Certainly, in the embodiment of the present invention, the section of air valve mounting groove 416 may be formed as other shapes, not make here
Limitation.
Advantageously, the inner circumferential corner of air valve mounting groove 416 is connected with arc transition, air valve mounting groove 416 and sliding vane groove
415 junction is connected with arc transition.The processing of air valve mounting groove 416 can so be facilitated, above-mentioned junction is avoided to generate collection
Middle internal stress, so as to ensure the overall stiffness of cylinder 41.
Cylinder 41 according to embodiments of the present invention, is simple to manufacture, and installation is reliable, can meet the requirement of high performance-price ratio.
Compression mechanism 40 according to embodiments of the present invention is described referring to Fig. 1, Fig. 6-Figure 10.
Compression mechanism 40 according to embodiments of the present invention, including：Cylinder, piston 42, slide plate 43 and air-valve assembly 44, cylinder
For the cylinder 41 according to the above embodiment of the present invention, the concrete structure of cylinder 41 is repeated no more here.Piston 42 can turn
It is located at dynamicly in cylinder chamber 410, slide plate 43 is movably located in sliding vane groove 415, and the head end of slide plate 43 is only against piston 42
On periphery wall, air-valve assembly 44 is located in air valve mounting groove 416.
Specifically, the first working chamber 411 is formed positioned at the part in 42 outside of piston in cylinder chamber 410, position in sliding vane groove 415
Part between slide plate 43 and air-valve assembly 44 forms the second working chamber 412.
Specifically, air-valve assembly 44 is equipped with the air intake passage 442 of the second air entry 4161 of connection and sliding vane groove 415, gas
Valve module 44 is equipped with to be opened and closed the air-breathing control unit (not shown) of air intake passage 442.
Refrigerating plant is applied to below with reference to the compressor 4 of compression mechanism 40 of Figure 11 descriptions with the embodiment of the present invention
Working condition when 100, the compressor 4 may be used on air-conditioning system, can also be applied in other cooling/heating systems, example
Such as water heater, refrigerator.In addition, refrigerating plant 100 can be in single cooling system, refrigerating plant 100 or heat pump system.
As shown in figure 11, refrigerating plant 100 according to embodiments of the present invention, including First Heat Exchanger 1, the second heat exchanger 2,
Flash vessel 3 and compressor 4.
Flash vessel 3 is connected to one end (for example, left end in Figure 11) of First Heat Exchanger 1 and one end of the second heat exchanger 2
Between (for example, left end in Figure 11).Flash vessel 3 carries out gas-liquid separation for that will be in the refrigerant of two-phase section, such as in Figure 11
Example in, flash vessel 3 has import 31, first outlet 32 and a second outlet 33, above-mentioned the one of import 31 and First Heat Exchanger 1
End is connected, and first outlet 32 is connected with above-mentioned one end of the second heat exchanger 2.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Further, refrigerating plant 100 further includes 5 and second restricting element 6 of first throttle element, first throttle element 5
It is connected between above-mentioned one end of First Heat Exchanger 1 and the import 31 of flash vessel 3, the second restricting element 6 is connected to the second heat exchange
Between above-mentioned one end of device 2 and the first outlet 32 of flash vessel 3.5 and second restricting element 6 of first throttle element is used for refrigeration
Refrigerant in device 100 carries out reducing pressure by regulating flow.
With reference to Figure 11 and with reference to Fig. 6, the compression mechanism 40 of compressor 4 includes cylinder 41, piston 42 and slide plate 43, cylinder 41
On be formed with the first working chamber 411 and the second working chamber 412.Cylinder chamber 410 is formed in cylinder 41, piston 42 is located at cylinder chamber
In 410, and piston 42 can be rolled along the inner wall of cylinder chamber 410, and slide plate 43 is movably arranged in sliding vane groove 415, slide plate 43
Head (i.e. the one end at 41 center of neighbouring cylinder of slide plate 43) is suitable for only supporting or being connected with the periphery wall of piston 42.Cylinder chamber 410
On be formed with the first air entry 413 and first row gas port 414, the other end of the first air entry 413 and the second heat exchanger 2 (for example,
Right end in Figure 11) it is connected.
As shown in figure 11, sliding vane groove 415 and coupled logical air valve mounting groove 416 are formed on cylinder 41, wherein, it is sliding
Film trap 415 is located at 43 afterbody of slide plate (i.e. the one end at 41 center of separate cylinder of slide plate 43) and is engaged to form with air-valve assembly 44
Two working chambers 412, are formed with the second air entry 4161 and second exhaust port 4162 on air-valve assembly 44, the second air entry 4161 with
Flash vessel 3 is connected, for example, as shown in figure 11, after the second air entry 4161 is connected with the second outlet 33 of flash vessel 3 will separate
Saturated vapor suck in the second working chamber 412 rather than exchange heat into the second heat exchanger 2.First row gas port 414 and
The other end of two exhaust outlets 4162 with First Heat Exchanger 1 is connected.
For the sealing surface of second working chamber 412 in addition to slide plate afterbody and air-valve assembly 44, another both sides can be by being located at cylinder
The base bearing at 41 axial both ends and supplementary bearing sealing.As shown in Figure 10, the second working chamber of correspondence 412 of base bearing and supplementary bearing
Part can be equipped with outwardly extending extension 441.Second working chamber 412 is reached by the linear reciprocating motion back and forth of slide plate 43
To the variation of 412 volume of the second working chamber, to realize sucking refrigerant and it be compressed.The second working chamber 412 is only logical at this time
It crosses the second air entry 4161 and carries out air-breathing, be exhausted by second exhaust port 4162.
Further, according to the actual demand of refrigerating plant 100, refrigerating plant 100 can also include control valve 7 such as four
Port valve, to achieve the purpose that cold and hot switching.Specifically, control valve 7 has the first valve port 71, the second valve port 72, the 3rd valve port 73
With the 4th valve port 74, the first valve port 71 is connected with the above-mentioned other end of First Heat Exchanger 1, the second valve port 72 and first row gas port
414 are connected with second exhaust port 4162, and the 3rd valve port 73 is connected with the first air entry 413, the 4th valve port 74 and the second heat exchanger 2
The above-mentioned other end be connected.When the first valve port 71 is connected with the second valve port 72 and the 3rd valve port 73 is connected with the 4th valve port 74,
Refrigerating plant 100 freezes；When the first valve port 71 connects and the second valve port 72 is connected with the 4th valve port 74 with the 3rd valve port 73
When, refrigerating plant 100 is heated.
It is of course also possible to be not provided with four-way valve, refrigerating plant 100 can only have refrigerating function at this time.
Illustrate the work of refrigerating plant 100 according to embodiments of the present invention referring to Figure 11 and with reference to Fig. 1, Fig. 2 and Fig. 5
Make principle.
The refrigerant for flowing through the second heat exchanger 2 flows to the first air entry 413 after overheat, that is, flows through the second heat exchanger 2
Refrigerant by the first air entry 413 enters the first working chamber 411 after being heated by environment temperature, and compressor operating is to sucking
Refrigerant is compressed, and refrigerant is discharged from first row gas port 414 after compression.And the gaseous coolant separated in flash vessel 3 passes through
Second air entry 4161 enters the second working chamber 412, by the linear reciprocating motion of slide plate 43 to cold in the second working chamber 412
Matchmaker is compressed, and refrigerant is discharged from second exhaust port 4162 after compression.
After the first working chamber 411 and the compression of the second working chamber 412 refrigerant discharged can in compressor internal mix,
Can be in compressor external mix, the present invention is not particularly limited this, and mixed refrigerant flows to First Heat Exchanger 1 together,
By realizing condensation after the heat exchange of First Heat Exchanger 1；As shown in figure 11, the liquid refrigerants after heat exchange passes through first throttle element 5
It carries out being throttled to required intermediate pressure, gas-liquid separation is then carried out in flash vessel 3, the liquid refrigerants isolated reaches saturation shape
State is again introduced into the second restricting element 6 and throttles, and is finally reached vapor pres- sure force value into being evaporated in the second heat exchanger 2.
If refrigerating plant 100 is switched to including the above-mentioned such as four-way valve of control valve 7 and refrigerating plant 100 from refrigeration
During heat-production functions, second is flowed to after can the refrigerant that discharged after the first working chamber 411 and the second working chamber 412 compress be mixed
Then heat exchanger 2 throttles through the second restricting element 6, the gas-liquid mixture after throttling flows to flash vessel 3 and separated, point
Gas from after is inhaled into the second working chamber 412 by the second air entry 4161 and is compressed, and liquid is then through first throttle member
Part 5 is evaporated after being throttled to evaporating pressure again into First Heat Exchanger 1, and the low-pressure gas after finally evaporating is after overheat
The first working chamber 411 is inhaled by the first air entry 413 to be compressed.
Optionally, the refrigerant in refrigerating plant 100 is at least one of HCFC, HFC, HC and HFO.
Hereby it is achieved that applying gas coolant injection mode on an individual cylinder 41, cylinder bore diameter is realized
The rolling rotor-type compression of the first working chamber 412 formed with roller outer diameter and 416 shape of sliding vane groove 416 and air valve mounting groove
Into the second working chamber 412 the linear compression of slide plate, realize rolling rotor-type compression and sliding simultaneously on single cylinder compressor
The linear compression of piece, while the efficiency of refrigerating plant 100 is promoted so that Compressor Manufacturing is simple, safe and reliable, and greatly
Cost is saved in ground.It is understood that compressor or multicylinder compressor according to embodiments of the present invention, therein one
The technology of a cylinder or multiple cylinders embodiment using the present invention.
Moreover, when refrigerating plant 100 has the function of two kinds of refrigeration and heating simultaneously and is applied to air-conditioning system, in room
In the case that internal-external temperature difference is big, heating capacity will be promoted significantly air-conditioning system at low ambient temperatures, can effectively reach user
To the demand of heat.
Refrigerating plant 100 according to embodiments of the present invention can meet the requirement of high performance-price ratio, and with manufacture letter
The advantages of single, safe and reliable.
In the cylinder assembly 44 of the embodiment of the present invention, as shown in fig. 7, fluted 421 are formed on piston 42, slide plate 43
Head has protrusion 431, and 431 cooperation of protrusion is in groove 421, and the cornerite of groove 421 is α, and α meets：180 ° of α ＞.For example, such as
Shown in Fig. 7, groove 421 is inwardly concaved by a part for the periphery wall of piston 42 and formed, and groove 421 is preferably arc groove, raised
Shape of 431 shape preferably with groove 421 is adapted, as a result, by coordinating protrusion 431 in groove 421 and making groove
421 surround 180 ° of the angle [alpha] ＞ of protrusion 431, and slide plate 43 always will not be de- with piston 42 when compressor operating can be effectively ensured
From so as to which ensure will not gas leakage between the suction side of the first working chamber 411 and exhaust side.
According to still another embodiment of the invention, as shown in figure 9, the head of slide plate 43 is equipped with magnet iron piece 432.As a result, when
For compressor when starting to work, 43 afterbody of slide plate and gas pressure suffered by 43 head of slide plate are roughly equal, due to 43 head of slide plate
Magnet iron piece 432 is installed, piston 42 thereby may be ensured that be made suitable for the material (for example, iron etc.) with 432 magnetic of magnet iron piece
Slide plate 43 contacts compressor with piston 42 on startup, ensures that compressor reliably operates.Specifically, 43 head of slide plate can be formed
It is useful for accommodating the holding tank of magnet iron piece 432.
Further, as shown in figure 8, the inner end of slide plate 43 is equipped with spring 45.As a result, when compressor on startup, slide plate
43 afterbodys and gas pressure suffered by 43 head of slide plate are roughly equal, by setting spring 45, Ke Yibao in the second working chamber 412
Slide plate 43 is contacted with piston 42 when card starts, and ensures that compressor reliably operates.
Other of refrigerating plant 100 according to embodiments of the present invention are formed and operated for those of ordinary skill in the art
For be all known, be not detailed herein.
In the description of this specification, the description of reference term " embodiment ", " example " etc. mean to combine the embodiment or
Example particular features, structures, materials, or characteristics described are contained at least one embodiment of the present invention or example.At this
In specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description is specific
Feature, structure, material or feature can in an appropriate manner combine in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
1. a kind of cylinder, which is characterized in that cylinder chamber, sliding vane groove and air valve mounting groove, the cylinder are formed on the cylinder
Chamber is formed as cylindrical cavity, and the inner end of the sliding vane groove connects the cylinder chamber, and the air valve mounting groove is located at the sliding vane groove
Outer end and connected with the sliding vane groove, the air valve mounting groove at least opens wide to install air valve in the axial one side of the cylinder
Component, size of the air valve mounting groove on the thickness direction of the sliding vane groove are more than the thickness of the sliding vane groove.
2. cylinder according to claim 1, which is characterized in that the surface of the direction cylinder chamber of the air valve mounting groove
Be formed as smooth flat.
3. cylinder according to claim 1, which is characterized in that the air valve mounting groove is formed perpendicular to the section of axis
For rectangle or trapezoidal or semicircle or oval.
4. cylinder according to claim 1, which is characterized in that the inner circumferential corner of the air valve mounting groove is with arc transition
Connection.
5. cylinder according to claim 1, which is characterized in that a part of periphery wall of the cylinder extends radially outward
Be formed as the first thickening part, the air valve mounting groove is located on first thickening part.
6. cylinder according to claim 1, which is characterized in that the part opposite with the air valve mounting groove of the cylinder
Periphery wall extends radially outward to form the second thickening part.
7. cylinder according to claim 1, which is characterized in that the surface of the direction cylinder chamber of the air valve mounting groove
Be formed as the plane parallel with the outer circumferential surface of second thickening part.
8. a kind of compression mechanism, which is characterized in that including：
Cylinder, the cylinder are the cylinder according to any one of claim 1-7；
Piston, the piston are rotatably arranged in the cylinder chamber；
Slide plate, the slide plate is movably located in the sliding vane groove and head end stops the periphery wall for supporting or connecting the piston；
Air-valve assembly, the air-valve assembly are located in the air valve mounting groove；
Wherein, the part in the cylinder chamber on the outside of the piston forms the first working chamber, is located at institute in the sliding vane groove
The part stated between slide plate and the air-valve assembly forms the second working chamber.
9. a kind of compressor, which is characterized in that including compression mechanism according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810107258.XA CN108071590B (en) | 2018-02-02 | 2018-02-02 | Cylinder, compression mechanism and compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810107258.XA CN108071590B (en) | 2018-02-02 | 2018-02-02 | Cylinder, compression mechanism and compressor |
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| CN108071590A true CN108071590A (en) | 2018-05-25 |
| CN108071590B CN108071590B (en) | 2021-02-12 |
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| CN201810107258.XA Active CN108071590B (en) | 2018-02-02 | 2018-02-02 | Cylinder, compression mechanism and compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111075720A (en) * | 2018-10-18 | 2020-04-28 | 广东美芝精密制造有限公司 | Compressor and refrigeration cycle system with same |
| CN112145416A (en) * | 2019-06-28 | 2020-12-29 | 安徽美芝精密制造有限公司 | Compressor and compression mechanism and air conditioner thereof |
| CN112983820A (en) * | 2021-05-19 | 2021-06-18 | 广东美芝制冷设备有限公司 | Compressor, refrigerating system and refrigerating equipment |
| CN114087180A (en) * | 2021-12-08 | 2022-02-25 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor, air conditioner |
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| CN114087180A (en) * | 2021-12-08 | 2022-02-25 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor, air conditioner |
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| Publication number | Publication date |
|---|---|
| CN108071590B (en) | 2021-02-12 |
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Application publication date: 20180525 Assignee: GUANGDONG MIDEA ENVIRONMENT TECHNOLOGY Co.,Ltd. Assignor: GUANGDONG MEIZHI COMPRESSOR Co.,Ltd. Contract record no.: X2021980015834 Denomination of invention: Cylinder, compression mechanism and compressor Granted publication date: 20210212 License type: Common License Record date: 20211221 |
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