CN108087280B - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN108087280B CN108087280B CN201711160696.4A CN201711160696A CN108087280B CN 108087280 B CN108087280 B CN 108087280B CN 201711160696 A CN201711160696 A CN 201711160696A CN 108087280 B CN108087280 B CN 108087280B
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- China
- Prior art keywords
- oilhole
- cylinder
- dispenser
- air intake
- intake duct
- 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.)
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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
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
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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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
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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
- F04C29/026—Lubricant separation
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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
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention provides a kind of compressors, comprising: shell；Upper cylinder；Middle cylinder；Lower cylinder；Transfiguration switching mechanism；Dispenser；The first end of first air intake duct, the first air intake duct is connected to dispenser, and the second end of the first air intake duct is connected to the second compression chamber, the first oilhole is provided on the first air intake duct, and the first oilhole is located in dispenser；The first end of second air intake duct, the second air intake duct is connected to dispenser, and the second end of the second air intake duct is connected to third compression chamber, and the second oilhole is provided on the second air intake duct, and the second oilhole is located in dispenser；Wherein, the first oilhole circulation area is greater than the circulation area of the second oilhole.The technical solution provided through the invention solves the technical issues of cylinder interior oil mass is lost when three cylinder compressor in the prior art works under twin-tub mode.
Description
Technical field
The present invention relates to Compressor Technology fields, in particular to a kind of compressor.
Background technique
Currently, three cylinder positive displacement compressors include two low-pressure cylinders and a high-pressure cylinder, which has three cylinders same
The three cylinder modes of Shi Yunhang and a low-pressure cylinder and a high-pressure cylinder operation, the twin-tub mould of another low-pressure cylinder unloading
Formula.When working under twin-tub mode, lower cylinder perseverance is low pressure, and lower cylinder air entry is connected to always with dispenser.But this is at present
Under roller and crankshaft eccentric circular at oil groove be high pressure, due to the effect of pressure difference, so that the refrigeration oil in the oil groove can pass through
Gap between roller and cylinder leaks into lower cylinder.Since the oil groove perseverance is high pressure, lower cylinder is connected to perseverance with dispenser and is
Low pressure, then the refrigeration oil in oil groove will endlessly into lower cylinder and then enter in dispenser.
Two air intake ducts are provided on dispenser used in three cylinder compressor in the prior art, this two air intake ducts point
It is not passed through middle cylinder and lower cylinder, and this two air-breathing bottom of the tube are only provided with an oilhole.When three cylinder compressors are three cylinders
When operation, the refrigeration oil in dispenser passes through cylinder and lower cylinder in this two air-breathing bottom of the tube oilhole suckings.When three cylinders compress
Machine is the twin-tub operation when, and since lower cylinder is unloaded state, refrigeration oil will be flowed from lower cylinder toward dispenser direction,
At this point, the air intake duct being only connected with middle cylinder is carrying out oil return by root oilhole.Under twin-tub mode, work as in same time
When the amount that lower cylinder refrigeration oil flows into dispenser is greater than the freezing oil mass of dispenser inflow middle cylinder, refrigeration oil will be in dispenser
It is inside accumulated, and more and more, then the refrigeration oil of cylinder interior will be fewer and fewer.When cylinder interior oil mass is less than certain
When amount, the oil mass of lubricating oil cannot meet the lubricating requirement of Pump Body Parts, and then Pump Body Parts can be caused to wear, thus
It can affect to compressor reliability and service life.
Summary of the invention
The present invention provides a kind of compressor, to solve gas when three cylinder compressor in the prior art works under twin-tub mode
The technical issues of cylinder interior oil mass is lost.
The present invention provides a kind of compressor, compressor includes: shell, has receiving cavity；Upper cylinder, setting are accommodating
In cavity, upper cylinder has the first compression chamber；Middle cylinder is arranged in receiving cavity, and is located at the lower section of upper cylinder, middle cylinder
With the second compression chamber；Lower cylinder is arranged in receiving cavity, and is located at the lower section of middle cylinder, and lower cylinder is compressed with third
Chamber；Transfiguration switching mechanism is arranged in lower cylinder, and lower cylinder has air-breathing working condition and unloading shape by transfiguration switching mechanism
State；Dispenser；The first end of first air intake duct, the first air intake duct is connected to dispenser, the second end of the first air intake duct and second
Compression chamber is connected to, and is provided with the first oilhole on the first air intake duct, and the first oilhole is located in dispenser；Second air intake duct, second
The first end of air intake duct is connected to dispenser, and the second end of the second air intake duct is connected to third compression chamber, is set on the second air intake duct
It is equipped with the second oilhole, the second oilhole is located in dispenser；Wherein, the circulation area of the first oilhole is greater than the circulating face of the second oilhole
Product.
Further, multiple first oilholes are provided on the first air intake duct, be provided on the second air intake duct at least one
Two oilholes, the quantity of the first oilhole are greater than the quantity of the second oilhole.
Further, the aperture of the first oilhole is greater than the aperture of the second oilhole.
Further, the bottom of dispenser is arranged in the first oilhole and/or the bottom of dispenser is arranged in the second oilhole.
Further, multiple first oilholes on the first air intake duct are arranged along the length direction interval of the first air intake duct.
Further, at least one first oilhole on the first air intake duct is located at the bottom of dispenser.
Further, compressor has low pressure connecting pipeline and middle pressure connecting pipeline, is additionally provided with slide plate in lower cylinder, sliding
Piece is movably disposed in third compression chamber, and transfiguration switching mechanism includes: pin, and one end of pin is movably disposed at down
In cylinder, the other end of pin is arranged in the lower flange of compressor, restriction site that pin has limitation slide plate mobile and
Position is avoided, there is back pressure chamber below pin, low pressure connecting pipeline and middle pressure connecting pipeline are connected to back pressure chamber respectively；Control
Valve is connected to for controlling back pressure chamber with low pressure connecting pipeline or with middle pressure connecting pipeline；Spring connects with pin and lower flange respectively
It connects.
Further, control valve includes solenoid valve.
Further, compressor further include: crankshaft has multiple eccentric parts, multiple eccentric parts and upper cylinder, middle cylinder with
And lower cylinder is arranged in a one-to-one correspondence.
Further, compressor further include: fixed frame is arranged in dispenser, and fixed frame is for fixing the first air intake duct
With position of second air intake duct in dispenser.
It applies the technical scheme of the present invention, which includes: shell, upper cylinder, middle cylinder, lower cylinder, transfiguration switching
Mechanism, dispenser, the first air intake duct and the second air intake duct.Wherein, shell has receiving cavity.Upper cylinder is arranged in receiving cavity
It is interior, and upper cylinder has the first compression chamber.Middle cylinder is arranged in receiving cavity, and is located at the lower section of upper cylinder, middle cylinder tool
There is the second compression chamber.Lower cylinder is arranged in receiving cavity, and is located at the lower section of middle cylinder, and lower cylinder has third compression chamber.
Transfiguration switching mechanism is arranged in lower cylinder, and lower cylinder has air-breathing working condition and unloaded state by transfiguration switching mechanism.
The first end of first air intake duct is connected to dispenser, and the second end of the first air intake duct is connected to the second compression chamber, the first air intake duct
On be provided with the first oilhole, and the first oilhole is located in dispenser.The first end of second air intake duct is connected to dispenser, and second inhales
The second end of tracheae is connected to third compression chamber, and the second oilhole is provided on the second air intake duct, and the second oilhole is located in dispenser.
Meanwhile first oilhole circulation area be greater than the second oilhole circulation area.
Using compressor provided by the invention, when three cylinder compressors are when twin-tub mode works, lower cylinder is in unloading shape
State, lower cylinder perseverance are low pressure, under lower roller and crankshaft eccentric circular at oil groove be high pressure, under the action of pressure difference, the oil groove
Interior refrigeration oil can be leaked into lower cylinder by the gap between lower roller and cylinder, and be entered point by the second air intake duct
In liquid device.At this point, the first oilhole on the first air intake duct being only connected with middle cylinder is able to carry out oil return.By oily by first
The circulation area in hole is set greater than the circulation area of the second oilhole, can increase by dispenser enter in refrigeration oil in cylinder
Oil mass so that from dispenser inflow in cylinder refrigeration oil oil mass be greater than from lower cylinder flow into dispenser refrigeration oil oil
Amount is asked to solve the technology that cylinder interior oil mass is lost when three cylinder compressor in the prior art works under twin-tub mode
Topic.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the compressor provided according to embodiments of the present invention；
Fig. 2 shows the structural schematic diagrams of the dispenser of offer according to embodiments of the present invention.
Wherein, the above drawings include the following reference numerals:
10, shell；20, upper cylinder；30, middle cylinder；40, lower cylinder；50, dispenser；60, the first air intake duct；61, first
Oilhole；70, the second air intake duct；71, the second oilhole；80, crankshaft；90, fixed frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 2, the embodiment of the invention provides a kind of compressor, which includes: shell 10, upper gas
Cylinder 20, middle cylinder 30, lower cylinder 40, transfiguration switching mechanism, dispenser 50, the first air intake duct 60 and the second air intake duct 70.Wherein,
Shell 10 has receiving cavity.Upper cylinder 20 is arranged in receiving cavity, and upper cylinder 20 has the first compression chamber.Middle cylinder 30
It is arranged in receiving cavity, and is located at the lower section of upper cylinder 20, middle cylinder 30 has the second compression chamber.The setting of lower cylinder 40 is being held
It receives in cavity, and is located at the lower section of middle cylinder 30, lower cylinder 40 has third compression chamber.Transfiguration switching mechanism is arranged in lower cylinder
In 40, lower cylinder 40 has air-breathing working condition and unloaded state by the switching of transfiguration switching mechanism.The of first air intake duct 60
One end is connected to dispenser 50, and the second end of the first air intake duct 60 is connected to the second compression chamber, is provided on the first air intake duct 60
First oilhole 61, and the first oilhole 61 is located in dispenser 50.The first end of second air intake duct 70 is connected to dispenser 50, and second
The second end of air intake duct 70 is connected to third compression chamber, and the second oilhole 71, the second oilhole 71 are provided on the second air intake duct 70
In in dispenser 50.Meanwhile first oilhole 61 circulation area be greater than the second oilhole 71 circulation area.
Using compressor provided by the invention, when three cylinder compressors are when twin-tub mode works, lower cylinder 40 is in unloading
State, lower cylinder 40 is permanent be low pressure, lower roller and the lower eccentric circular of crankshaft 80 at oil groove be high pressure, under the action of pressure difference,
Refrigeration oil in the oil groove can be leaked into lower cylinder 40 by the gap between lower roller and cylinder, and by the of lower cylinder 40
Two air intake ducts 70 enter in dispenser 50.Under twin-tub mode, the flow direction of refrigeration oil is as shown in figure 1 shown in black arrow,
At this point, the first oilhole 61 on the first air intake duct 60 being only connected with middle cylinder 30 is able to carry out oil suction.By oily by first
The circulation area in hole 61 is set greater than the circulation area of the second oilhole 71, can increase from the inflow of dispenser 50 in cylinder 30
Refrigeration oil oil mass so that from dispenser 50 inflow in cylinder 30 refrigeration oil oil mass be greater than from lower cylinder 40 flow into liquid separation
The oil mass of the refrigeration oil of device 50, to solve cylinder interior when three cylinder compressor in the prior art works under twin-tub mode
The technical issues of oil mass is lost.
It is increased by increasing the circulation area of the first oilhole 61 from dispenser 50 using compressor provided by the invention
The oil mass of the refrigeration oil of middle cylinder 30 is flowed into, so that the oil mass of the refrigeration oil of cylinder 30 is greater than under from the inflow of dispenser 50
Cylinder 40 flows into the oil mass of the refrigeration oil of dispenser 50, so that cylinder interior has enough oil masses, to guarantee Pump Body Parts
Lubricating requirement, the abrasion of Pump Body Parts is reduced, to improve reliability and the service life of the compressor.
In order to keep the oil mass of the refrigeration oil of cylinder 30 from the inflow of dispenser 50 under twin-tub mode more, can be inhaled first
It is provided with multiple first oilholes 61 on tracheae 60, is provided at least one second oilhole 71 on the second air intake duct 70, and by first
The quantity of oilhole 61 is greater than the quantity of the second oilhole 71, and the oil mass to guarantee the refrigeration oil of cylinder 30 from the inflow of dispenser 50 is big
In the oil mass for the refrigeration oil for flowing into dispenser 50 from lower cylinder 40.
When compressor works under twin-tub mode, in order to make the oil mass of refrigeration oil in dispenser 50 more flow into gas
In cylinder 30, the aperture of the first oilhole 61 can be set greater than to the aperture of the second oilhole 71, to guarantee to be flowed by dispenser 50
The oil mass of the refrigeration oil of middle cylinder 30 is greater than the oil mass that lower cylinder 40 flows into the refrigeration oil of dispenser 50, so that Pump Body Parts be made to obtain
To sufficient lubrication.
It preferably flows into cylinder, the first oilhole 61 can be arranged in liquid separation for the ease of the refrigeration oil in dispenser 50
The bottom of device 50；Or the second oilhole 71 is arranged in the bottom of dispenser 50；Or the first oilhole 61 is arranged in dispenser
50 bottom, while the second oilhole 71 being arranged in the bottom of dispenser 50.The first oilhole 61 will be arranged in the present embodiment
The bottom of dispenser 50, while the second oilhole 71 being arranged in the bottom of dispenser 50.Using such setting, compressor is double
When working under cylinder mode, when the bottom of dispenser 50, accumulation has refrigeration oil, refrigeration oil can be flowed into time in middle cylinder 30, with
Guarantee there are enough oil masses in compressor.
When compressor in the present embodiment works under three cylinder modes, middle cylinder 30 and lower cylinder 40 are in high pressure shape
State, the refrigeration oil in dispenser 50 is constantly accumulated, when the oil mass of the refrigeration oil in dispenser 50 is more than the height of the first oilhole 61
When spending, the oil mass of the refrigeration oil in dispenser 50 will be flowed into middle cylinder 30 by the first oilhole 61, when cold in dispenser 50
When the oil mass of frozen oil is more than the height of the second oilhole 71, the oil mass of the refrigeration oil in dispenser 50 will be sucked by the second oilhole 71
In lower cylinder 40.Since the first oilhole 61 and the second oilhole 71 are arranged at the bottom of dispenser 50, so that heap in dispenser 50
Long-pending refrigeration oil can in time by the first oilhole 61 and the second oilhole 71 suck respectively in cylinder 30 and lower cylinder 40.
It specifically, can be by multiple first oilholes 61 on the first air intake duct 60 between the length direction of the first air intake duct 60
Every setting.When the compressor works under twin-tub mode, if entering the oil mass of the refrigeration oil in dispenser 50 by lower cylinder 40
More, at this point, will accumulate more refrigeration oil in dispenser 50, i.e., the height for the refrigeration oil accumulated in dispenser 50 is higher.
Due to being provided with multiple first oilholes 61 along the length direction of the first air intake duct 60, can accelerate refrigeration oil in dispenser 50 into
Enter the speed of middle cylinder 30 so that refrigeration oil more in dispenser 50 can quickly flow into cylinder 30.If lower cylinder 40
When the oil mass of interior refrigeration oil is less, the refrigeration oil accumulated in dispenser 50 is less, i.e., the height for the refrigeration oil accumulated in dispenser 50
It spends lower.At this point, the refrigeration oil in dispenser 50 can be in cylinder 30 in the entrance of slower speed, i.e., refrigeration oil will be from bottom
The first oilhole 61 be sucked into middle cylinder 30 so that lower cylinder 40 flow into dispenser 50 refrigeration oil oil mass be greater than dispenser
The oil mass of the refrigeration oil of cylinder 30 in 50 inflows.
In order to guarantee the refrigeration oil accumulated in dispenser 50 in capable of entering in time in cylinder 30, on the first air intake duct 60
At least one first oilhole 61 be located at the bottom of dispenser 50.
In the present embodiment, compressor has low pressure connecting pipeline and middle pressure connecting pipeline.It is additionally provided in lower cylinder 40
Slide plate, slide plate are movably disposed in third compression chamber.Transfiguration switching mechanism includes: pin, control valve and spring.Wherein,
One end of pin is movably disposed in lower cylinder 40, and the other end of pin is arranged in the lower flange of compressor, pin tool
The mobile restriction site of restricted slide plate and evacuation position, pin lower section have back pressure chamber, and low pressure connecting pipeline and middle pressure connect
Siphunculus road is connected to back pressure chamber respectively.Control valve is for controlling back pressure chamber and low pressure connecting pipeline or connecting with middle pressure connecting pipeline
It is logical.Spring is connect with pin and lower flange respectively.Be additionally provided with pin hole in lower flange in the present embodiment, the pin it is another
End is arranged in the pin hole of lower flange, and the cavity in pin hole below pin is back pressure chamber.
Specifically, control valve includes solenoid valve.The solenoid valve control back pressure chamber is connected to low pressure connecting pipeline or with middle pressure
Pipeline connection, when back pressure chamber is connected to low pressure connecting pipeline, pin will be moved to pin hole direction, and be in the pin
Position is avoided, cylinder works normally at present for this, and compressor is in three cylinder working modes.When back pressure chamber is connected to middle pressure connecting pipeline
When, at this point, pin one end will be stuck in slide plate, pin is in the mobile restriction site of limitation slide plate, make lower slide plate that can not work,
The unloading of lower cylinder is realized at this time, and compressor is in twin-tub operating mode.
Compressor in the present embodiment further includes crankshaft 80, in order to make the compressor can be realized multi-cylinder while operate, pressure
The crankshaft 80 of contracting machine has multiple eccentric parts, and should be by multiple eccentric parts and upper cylinder 20, middle cylinder 30 and lower cylinder 40 1
One is correspondingly arranged.
In order to enable the first air intake duct 60 and the second air intake duct 70 to be stably placed in dispenser 50, in the present embodiment
Compressor further includes fixed frame 90, which is arranged in dispenser 50.Dispenser 50 in the present embodiment includes three
First air intake duct 60 is connect by fixed frame 90 with the inner wall of dispenser 50 respectively, the first air intake duct 60 and the second air intake duct 70 connect
Connect, the second air intake duct 70 is connect with the inner wall of dispenser 50 so that the first air intake duct 60 and the second air intake duct 70 can be stable
Work.The flowing of dispenser inside cold oil is influenced in order to make fixed frame 90 not, is provided with oilhole on three fixed frames, it is cold
Frozen oil falls the bottom in dispenser 50 by the oilhole on fixed frame, and constantly accumulates in bottom.
Using the compressor in the present embodiment, by increasing the circulation area of the first oilhole 61, so that lower point of twin-tub mode
The oil mass of accumulation in liquid device 50 can quickly flow into cylinder 30, to increase the freezing of the cylinder 30 from the inflow of dispenser 50
The oil mass of oil, so that making the oil mass of the refrigeration oil of cylinder 30 in the inflow of dispenser 50 be greater than lower cylinder 40 flows into the cold of dispenser 50
The oil mass of frozen oil enables Pump Body Parts adequately to be lubricated to guarantee that cylinder interior has enough oil masses.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of compressor characterized by comprising
Shell (10) has receiving cavity；
Upper cylinder (20) is arranged in the receiving cavity, and the upper cylinder (20) has the first compression chamber；
Middle cylinder (30) is arranged in the receiving cavity, and is located at the lower section of the upper cylinder (20), the middle cylinder (30)
With the second compression chamber；
Lower cylinder (40) is arranged in the receiving cavity, and is located at the lower section of the middle cylinder (30), the lower cylinder (40)
With third compression chamber；
Transfiguration switching mechanism, in the lower cylinder (40), the lower cylinder (40) has by the transfiguration switching mechanism for setting
There are air-breathing working condition and unloaded state；
Dispenser (50)；
The first end of first air intake duct (60), first air intake duct (60) is connected to the dispenser (50), and described first inhales
The second end of tracheae (60) is connected to second compression chamber, is provided with the first oilhole (61) on first air intake duct (60),
And first oilhole (61) is located in the dispenser (50)；
The first end of second air intake duct (70), second air intake duct (70) is connected to the dispenser (50), and described second inhales
The second end of tracheae (70) is connected to the third compression chamber, is provided with the second oilhole (71) on second air intake duct (70),
Second oilhole (71) is located in the dispenser (50)；
Wherein, the circulation area of first oilhole (61) is greater than the circulation area of second oilhole (71).
2. compressor according to claim 1, which is characterized in that be provided on first air intake duct (60) multiple described
First oilhole (61) is provided at least one described second oilhole (71), first oilhole on second air intake duct (70)
(61) quantity is greater than the quantity of second oilhole (71).
3. compressor according to claim 1, which is characterized in that the aperture of first oilhole (61) is greater than described second
The aperture of oilhole (71).
4. compressor according to claim 1, which is characterized in that first oilhole (61) is arranged in the dispenser
(50) bottom and/or second oilhole (71) is arranged in the bottom of the dispenser (50).
5. compressor according to claim 2, which is characterized in that multiple described first on first air intake duct (60)
Oilhole (61) is arranged along the length direction interval of first air intake duct (60).
6. compressor according to claim 5, which is characterized in that described at least one on first air intake duct (60)
First oilhole (61) is located at the bottom of the dispenser (50).
7. compressor according to claim 1, which is characterized in that there is the compressor low pressure connecting pipeline and middle pressure to connect
Siphunculus road, the lower cylinder (40) is interior to be additionally provided with slide plate, and the slide plate is movably disposed in the third compression chamber,
The transfiguration switching mechanism includes:
Pin, one end of the pin are movably disposed in the lower cylinder (40), and the other end setting of the pin exists
In the lower flange of the compressor, the pin, which has, limits the mobile restriction site of the slide plate and evacuation position, described
There is back pressure chamber, the low pressure connecting pipeline and medium pressure connecting pipeline are connected to the back pressure chamber respectively below pin；
Control valve is connected to for controlling the back pressure chamber with the low pressure connecting pipeline or with medium pressure connecting pipeline；
Spring is connect with the pin and the lower flange respectively.
8. compressor according to claim 7, which is characterized in that the control valve includes solenoid valve.
9. compressor according to claim 1, which is characterized in that the compressor further include:
Crankshaft (80) has multiple eccentric parts, multiple eccentric parts and the upper cylinder (20), middle cylinder (30) and lower gas
Cylinder (40) is arranged in a one-to-one correspondence.
10. compressor according to claim 1, which is characterized in that the compressor further include:
Fixed frame (90), setting is in the dispenser (50), and the fixed frame (90) is for fixing first air intake duct
(60) and position of second air intake duct (70) in the dispenser (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160696.4A CN108087280B (en) | 2017-11-20 | 2017-11-20 | Compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160696.4A CN108087280B (en) | 2017-11-20 | 2017-11-20 | Compressor |
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| Publication Number | Publication Date |
|---|---|
| CN108087280A CN108087280A (en) | 2018-05-29 |
| CN108087280B true CN108087280B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711160696.4A Active CN108087280B (en) | 2017-11-20 | 2017-11-20 | Compressor |
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| Country | Link |
|---|---|
| CN (1) | CN108087280B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197576A (en) * | 2019-12-30 | 2020-05-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity compressor and air conditioner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4099929B2 (en) * | 2000-06-01 | 2008-06-11 | 松下電器産業株式会社 | Vertically sealed multi-cylinder compressor |
| JP2002188569A (en) * | 2001-09-26 | 2002-07-05 | Sanyo Electric Co Ltd | Hermetically enclose electric compressor |
| JP5517592B2 (en) * | 2009-12-14 | 2014-06-11 | 三菱重工業株式会社 | Compressor |
| JP6070069B2 (en) * | 2012-10-30 | 2017-02-01 | 株式会社富士通ゼネラル | Rotary compressor |
| CN106895002A (en) * | 2015-12-18 | 2017-06-27 | 珠海凌达压缩机有限公司 | Compressor and its bindiny mechanism |
| CN105545742B (en) * | 2016-02-24 | 2017-10-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Multi-cylinder twin-stage positive displacement compressor system and its control method of operational mode switching |
| CN205446041U (en) * | 2016-04-11 | 2016-08-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor structure |
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| Publication number | Publication date |
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| CN108087280A (en) | 2018-05-29 |
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