CN106050669B - A kind of Rotary Compressor of observable internal state - Google Patents
A kind of Rotary Compressor of observable internal state Download PDFInfo
- Publication number
- CN106050669B CN106050669B CN201610663418.XA CN201610663418A CN106050669B CN 106050669 B CN106050669 B CN 106050669B CN 201610663418 A CN201610663418 A CN 201610663418A CN 106050669 B CN106050669 B CN 106050669B
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- China
- Prior art keywords
- window assembly
- filtering flask
- tube
- lens barrel
- shell
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- 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
-
- 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
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
-
- 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
Abstract
The invention discloses a kind of Rotary Compressor of observable internal state, including shell, pumping and filtering flask, the upper and lower ends of the shell are respectively arranged with top cover and bottom cover, the lower part of pumping installation inside the shell.The filtering flask is located at the outside of shell, and lower end passes through connecting tube and cage connection.On the side wall of the outer casing underpart, it is provided with the first window assembly and the second window assembly of observable compressor internal state.On the tube wall on the outer tube top of the filtering flask, it is provided with third window assembly, is provided with the 4th window assembly on the tube wall of the outer tube lower part of filtering flask.Of the invention is reasonable in design, practical, can intuitively observe, and quickly determines oil level and coolant quantity that compressor needs, greatly shortens the time of test, use manpower and material resources sparingly, improve the progress of research and development of products.
Description
Technical field
The present invention relates to Compressor Technology fields, and in particular to a kind of Rotary Compressor of observable internal state.
Background technique
Presently used compressor mainly combines by top cover, the combination of shell, bottom cover, filtering flask, filtering flask bracket, motor list
Member, drive shaft, upper bracket, undersetting, cylinder body, offset piston, silencer cover, air-breathing connecting tube, foot prop composition.Compressor it is basic
Working principle is as follows: when compressor is powered on, electric motor units drive drive shaft turns, and drive shaft drives offset piston in cylinder body
Inside do eccentric rotary.By the gas coolant medium of the low-temp low-pressure of evaporator reflux, the gas of high temperature and pressure is compressed by upper branch
The mouth venting one's pent-up feelings of seat, the interior of shell of compressor is drained into through silencer cover.Refrigerating circulation system is discharged by the exhaust pipe that top cover combines again
Condenser in.
The shell of existing compressor is rolled the tubular structure being welded by steel plate, and entity is opaque, therefore can not
Directly observe the height of its internal machine oil liquid level.The another important component filtering flask of compressor is by outer tube, strainer and inner tube group
Conjunction is welded, and outer tube entity is also opaque, therefore also can not intuitively observe the situation of its internal refrigerant return.Compressor exists
Development phase needs the engine oil quantity added to its inside to confirm, i.e., engine oil quantity was arranged in how many when, can just guarantee
Compressor is operating, and the bottom end of drive shaft can be drawn onto oil to guarantee that compressor runs well.Engine oil quantity in compressor is very few,
Compressor can cause axis phase mutual friction can make compressor under oil-free lubrication state with ring because of the supply of not no machine oil at runtime
Negative work is done, time length can make compressor break down；Engine oil quantity in compressor is excessive, and the liquid level of machine oil can not have cylinder body
Return-air hole leads to compressor cisco unity malfunction, it is therefore desirable to by the amount control of machine oil within the scope of certain, just can guarantee
Compressor runs well.Generally according to the oil mass of filling engine oil in experience repetition test compressor, this method needs to waste a large amount of
Time, manpower and material resources, it is also difficult to determine that compressor oil mass is arranged in that how many when can embody best efficiency in air-conditioning system.
In the development phase it remains desirable that confirmation every kind of cold medium compressor optimal refrigerant filling quantity in different air-conditioning systems.If
Refrigerant filling quantity is excessive, in the gas for the low-temp low-pressure that evaporator comes out, can have certain liquid refrigerants because regurgitant volume is excessive, lead to
Overcompression machine filtering flask and cylinder return-air hole flow back into pumping cylinder chamber body, make the i.e. ripe title hydraulic compression of ring compressor liquid refrigerants
Phenomenon causes the blade of pumping to receive impact, separates blade with piston ring, and then cause blade asynchronous with piston inscription of loop
Compression chamber breaks down；It is also possible to that piston ring (normal condition compression low-temp low-pressure stuck at 105 ° of minimum clearance can be made
Gaseous coolant), cause compressor fault that cannot run well.If refrigerant filling quantity is very few, the low temperature to be flowed back by evaporator is low
The gas of pressure is few, and the gas for pumping compressor is few, and the gas of the high temperature and pressure of press discharge is few, causes the efficiency of compressor in sky
It is showed on adjusting system poor.
Summary of the invention
It is directed to the problems of the above-mentioned prior art, it is an object of the invention to propose a kind of observable internal state
Rotary Compressor, in order to solve to determine, engine oil quantity needs to need to waste a large amount of by multiple repetition test inside compressor
Time and the problem of wasting manpower and material resources.
To achieve the goals above, the technical solution of use is the present invention:
A kind of Rotary Compressor of observable internal state, including shell, pumping and filtering flask, the shell up and down
Both ends are respectively arranged with top cover and bottom cover, the lower part of pumping installation inside the shell.The filtering flask is located at the outside of shell,
Lower end passes through connecting tube and cage connection.On the side wall of the outer casing underpart, it is provided with the of observable compressor internal state
One window assembly and the second window assembly.On the tube wall on the outer tube top of the filtering flask, it is provided with third window assembly, is filtered
On the tube wall of the outer tube lower part of bottle, it is provided with the 4th window assembly.
Preferably, it is described pumping include upper bracket, cylinder body and undersetting, upper bracket, cylinder body and undersetting from top to bottom according to
It is secondary to be fixedly linked together.The side of the cylinder body has return-air hole, and return-air hole is connected with filtering flask.
Preferably, filtering flask further includes inner tube and filter screen, and said inner tube is located at the inside of outer tube, and outer tube is stretched out in lower end
Bottom and being connected with connecting tube communicate, inner tube is located at the part in outer tube with oil return hole.Filter screen is mounted on the interior of outer tube
Side, and it is located at the top of inner tube.
Preferably, each window assembly includes lens barrel and frame, and frame is located at one end of lens barrel, and detachably connects with lens barrel
It connects.Eyeglass is inlaid in the frame, the marginal portion of eyeglass is connect by sealing ring with frame.
Preferably, side wall stationary phase of the lens barrel of first, second window assembly far from one end of its frame, with shell
Even and communicate.The one end of lens barrel far from its frame of the third, the 4th window assembly, is fixedly linked and phase with the tube wall of outer tube
It is logical.
Preferably, the lens barrel face cylinder body of first window assembly, the lens barrel face undersetting of the second window assembly.
Preferably, the upper end of the lens barrel face inner tube of the third window assembly, the lens barrel of the 4th window assembly are just internal
The oil return hole of pipe.
Preferably, foot prop is configured on the bottom cover.
By using above-mentioned technical proposal, the method have the benefit that: it is arranged first on shell of the invention
Window assembly and the second window assembly, can intuitively observe compressor under static condition and working condition, internal machine oil
Fuel head can quickly determine the oil level that compressor needs to inject.Third form group is set on filtering flask of the invention
Part and the 4th window assembly can intuitively observe compressor in the operating condition, whether there is the refrigerant of liquid inside filtering flask, and
Oil level inside filtering flask.Structure of the invention design is rationally, practical, can intuitively observe, and quickly determines compressor
The oil level and coolant quantity needed, greatly shortens the time of test, uses manpower and material resources sparingly, and improves the progress of research and development of products.
Detailed description of the invention
Fig. 1 is a kind of principle schematic diagram of the Rotary Compressor of observable internal state of the present invention.
Fig. 2 is the principle schematic diagram of certain a part of the present invention in Fig. 1, thus it is shown that window assembly.
Fig. 3 is a kind of assembling structure schematic diagram of the Rotary Compressor of observable internal state of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
In conjunction with Fig. 1 to Fig. 3, a kind of Rotary Compressor of observable internal state, including shell 1, pumping 2 and filtering flask
3, the upper and lower ends of the shell 1 are respectively arranged with top cover 4 and bottom cover 5, and pumping 2 is mounted on the lower part of 1 inside of shell, the bottom
The lower end of lid 5 is fixedly welded with foot prop 14.The pumping 2 includes upper bracket 21, cylinder body 22 and undersetting 23, upper bracket 21, cylinder
Body 22 and lower branch 23, pass sequentially through bolt from top to bottom and are fixedly linked together.The side of the cylinder body 22 is provided with for refrigerant
One end of the return-air hole 24 of reflux, the return-air hole 24 is connected with the inner cavity of cylinder body 22.Filtering flask 3 is located at the outside of shell 1,
The other end of return-air hole 24 is connect with the lower end of filtering flask 3 by the connecting tube 25 configured on shell 1 and is communicated.
Filtering flask 3 includes outer tube 31, inner tube 32 and filter screen 33, and outer tube 31 is the tubular structure that upper and lower ends close up, interior
Pipe 32 is located at the inside of outer tube 31, and lower end stretches out the bottom of outer tube 31 and is connected phase with connecting tube 25 far from one end of shell 1
Logical, the lower end of outer tube 31 and the outer wall of inner tube 32 are fixed and welded together.Inner tube 32 is located on the side wall of the part in outer tube 31
It is provided with oil return hole 34, the bottom of outer tube 31 is gathered with the machine oil in refrigerant return to filtering flask 3, then flow back to by oil return hole 34
To inner tube 32, and then enter the inside of pumping 2.Filter screen 33 is fixedly mounted on the inside on 31 top of outer tube, institute by shackle member
The lower section that inner tube 32 is located at filter screen 33 is stated, the upper end is close to filter screen 33.
On the lateral wall of 1 lower part of shell, it is provided with the first window assembly 6 and of observable compressor internal state
Two window assemblies 7.On the outside of the tube wall on 31 top of outer tube of the filtering flask 3, be provided with third window assembly 8, filtering flask 3 it is outer
On the outside of the tube wall of 31 lower part of pipe, it is provided with the 4th window assembly 9.Each window assembly includes lens barrel 10 and frame 11, and 11, frame
It is detachably connected in one end of lens barrel 10, and with lens barrel 10 by screw thread realization.Eyeglass 12, eyeglass are inlaid in the frame 11
12 marginal portion is connect by sealing ring 13 with frame 11, to guarantee that the connection of eyeglass 12 and frame 11 has preferable sealing
Property.
The one end of lens barrel 10 far from its frame 11 of first window assembly 6 and the second window assembly 7, with shell 1
Side wall is fixed and welded together and communicates with inside it, and the lens barrel 10 of the third window assembly 8 and the 4th window assembly 9 is separate
One end of its frame 11 is fixed and welded together with the tube wall of outer tube 31 and communicates inside it.First window assembly 6 is laterally
Setting, 10 face cylinder body 22 of lens barrel, second window assembly 7 also laterally setting, 10 face undersetting 23 of lens barrel.It is described
The also laterally setting of the lens barrel 10 of third window assembly 8 and the 4th window assembly 9, the lens barrel 10 of third window assembly 8 is just internally
The upper end of pipe 32, the oil return hole 34 of the 10 face inner tube 32 of lens barrel of the 4th window assembly 9.
The compressor is after the assembly is completed, by the outlet 41 that is arranged on top cover 4 to the inside bottler placer of shell 1
Oil, machine oil can drop down onto bottom cover 5 and assemble in the lower part of shell 1, can also be by the first window assembly 6 and the second window assembly 7
Frame 11 is backed out, and machine oil is added into shell from their lens barrel 10.It, can during machine oil is perfused to the inside of shell 1
Observe the liquid level of 1 inside machine oil of shell by the eyeglass 12 of the first window assembly 6, compressor operating for a period of time after, stopping
Under machine state, liquid level has to intuitively observe in shell 1 by the first window assembly 6 more than the return-air hole 24 of cylinder body 22
The height of machine oil liquid level.After adding a certain amount of machine oil into shell 1, the refrigerating circulation system of air-conditioning is connected the compressor to
It goes up and opens, in the operating condition, part machine oil can enter the inside of pumping 2 to compressor by the hole of 26 bottom of drive shaft, right
Its internal components plays the role of lubrication and sealing, also has minimal amount of machine oil and is entered by the outlet 41 of top cover 4
The refrigerating circulation system of air-conditioning, then be back to inside pumping 2 by filtering flask 3.After the working condition that compressor reaches stable,
Need to guarantee that the liquid level of machine oil is not less than the lower end of drive shaft 26, to guarantee to have enough machine oil that can enter by drive shaft 26
Inside pumping 2, the height of machine oil liquid level can be visually observed that by the second window assembly 7.Pass through the first window assembly 6 and
The observation of two window assemblies 7 can be conveniently adjusted the amount of the machine oil of injection interior of shell, it is often more important that quick and precisely determine compression
The optimal values range of the oil level added inside machine.A small amount of machine oil is had in above process into the second window assembly 7
In lens barrel 10, the oil level of entrance is less, can fall within the scope of the optimal values of oil level completely.
Compressor and the refrigerating circulation system for being connected to air-conditioning add refrigerant in the internal system, and refrigerant is in above-mentioned circulation
It is constantly recycled in system, refrigerant is compressed into the gaseous state of high temperature and pressure by the pumping 2 of compressor, by the outlet 41 on top cover 4
Discharge, into the condenser of refrigerating circulation system, the refrigerant for returning to filtering flask 3 is the gaseous state of low-temp low-pressure.If refrigerant adds
When adding excessive, the part refrigerant for being back to filtering flask 3 is liquid condition, the refrigerant return of the partially liq shape to pumping 2 when
It waits, will appear hydraulic compression phenomenon inside pumping 2, cause pumping 2 to be broken down, compressor cisco unity malfunction.If refrigerant charges
Measure it is very few, by evaporator flow back low-temp low-pressure gas it is few, therefore enter pumping 2 in gas it is few, press discharge height
The gas of warm high pressure is few, causes the efficiency of compressor to show in air-conditioning system poor.Therefore, the number of the coolant quantity of addition is
One important parameter intuitively can be seen to find and is back to filtering flask 3 by the third window assembly 8 that is arranged on filtering flask 3
It is liquid whether interior refrigerant is mixed with, and then by adjusting the additive amount of refrigerant, determines and quick and precisely determine addition coolant quantity
Optimal values.
Compressor during the work time, has the refrigerating circulation system that a small amount of machine oil enters air-conditioning with refrigerant, returns
In filtering flask 3, the machine oil in filtering flask is returned under low temperature, falls after being stopped by filter screen 33 and is gathered in outer tube
31 lower part is back to inside pumping 2 by the oil return hole 34 on 1 outer wall of inner tube.Under normal circumstances, to reduce to the greatest extent with
Refrigerant enters the oil level of refrigerating circulation system, since refrigerator oil is not involved in heat exchange, mixed refrigerator oil meeting in refrigerant
Causing the efficiency of air-conditioning reduces, meanwhile, the oil level into refrigerating circulation system excessively also will cause 1 inside machine oil liquid level of shell
Reduction, cause pasta that cannot not overdrive the lower end of axis 26, and influence the fuel feeding of pumping 2.It can be straight by the 4th window assembly 9
The oil level of ground observation 3 lower part of filtering flask is seen, to determine the oil level for entering refrigerating circulation system with refrigerant, guarantees the energy of air-conditioning
Effect.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (5)
1. a kind of Rotary Compressor of observable internal state, including shell, pumping and filtering flask, which is characterized in that described
The upper and lower ends of shell are respectively arranged with top cover and bottom cover, the lower part of pumping installation inside the shell；The filtering flask is located at outer
The outside of shell, lower end pass through connecting tube and cage connection；On the side wall of the outer casing underpart, it is provided in observable compressor
The first window assembly and the second window assembly of portion's situation；On the tube wall on the outer tube top of the filtering flask, it is provided with third view
Window assembly on the tube wall of the outer tube lower part of filtering flask, is provided with the 4th window assembly；The lens barrel face of first window assembly
Cylinder body, the lens barrel face undersetting of the second window assembly；The upper end of the lens barrel face inner tube of the third window assembly, the 4th view
The oil return hole of the lens barrel face inner tube of window assembly；Filtering flask further includes inner tube and filter screen, and said inner tube is located at the inside of outer tube,
Its lower end, which stretches out the bottom of outer tube and is connected with connecting tube, to be communicated, and inner tube is located at the part in outer tube with oil return hole；Filter screen
It is mounted on the inside of outer tube, and is located at the top of inner tube；Compressor during the work time, has a small amount of machine oil and enters with refrigerant
The refrigerating circulation system of air-conditioning, returns in filtering flask, the machine oil in filtering flask is returned under low temperature, by filter screen
The lower part that outer tube is fallen and be gathered in after obstruction is back to inside pumping by the oil return hole on outer wall of inner tube.
2. a kind of Rotary Compressor of observable internal state according to claim 1, which is characterized in that the pumping
Including upper bracket, cylinder body and undersetting, together with upper bracket, cylinder body and undersetting are successively fixedly linked from top to bottom；The cylinder
The side of body has return-air hole, and return-air hole is connected with filtering flask.
3. a kind of Rotary Compressor of observable internal state according to claim 1, which is characterized in that each form group
Part includes lens barrel and frame, and frame is located at one end of lens barrel, and is detachably connected with lens barrel；It is inlaid with eyeglass in the frame,
The marginal portion of eyeglass is connect by sealing ring with frame.
4. a kind of Rotary Compressor of observable internal state according to claim 3, which is characterized in that described
One, the one end of the lens barrel of the second window assembly far from its frame is fixedly linked and communicates with the side wall of shell；The third,
The one end of the lens barrel of four window assemblies far from its frame is fixedly linked and communicates with the tube wall of outer tube.
5. a kind of Rotary Compressor of observable internal state according to claim 1, which is characterized in that the bottom cover
It is upper to be configured with foot prop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663418.XA CN106050669B (en) | 2016-08-12 | 2016-08-12 | A kind of Rotary Compressor of observable internal state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663418.XA CN106050669B (en) | 2016-08-12 | 2016-08-12 | A kind of Rotary Compressor of observable internal state |
Publications (2)
| Publication Number | Publication Date |
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| CN106050669A CN106050669A (en) | 2016-10-26 |
| CN106050669B true CN106050669B (en) | 2019-08-13 |
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| CN201610663418.XA Active CN106050669B (en) | 2016-08-12 | 2016-08-12 | A kind of Rotary Compressor of observable internal state |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103511261A (en) * | 2013-03-12 | 2014-01-15 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration circulating device |
| CN203867901U (en) * | 2014-05-26 | 2014-10-08 | 宁波益盛隆真空设备有限公司 | Efficient direct connection rotary-vane vacuum pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201474978U (en) * | 2009-08-21 | 2010-05-19 | 上海斯可络压缩机有限公司 | Oil level lens |
| CN102575675B (en) * | 2009-09-18 | 2015-04-29 | 东芝开利株式会社 | Multi-cylinder rotary compressor and refrigeration cycle device |
| CN202250854U (en) * | 2011-08-08 | 2012-05-30 | 上海豫恒实业有限公司 | Novel screw type air compressor |
| CN202301042U (en) * | 2011-09-30 | 2012-07-04 | 珠海格力电器股份有限公司 | Cover body component for reducing oil injection amount of rotary type compressor |
| CN203809295U (en) * | 2014-04-08 | 2014-09-03 | 珠海凌达压缩机有限公司 | Horizontal type compressor |
| CN204827938U (en) * | 2015-07-30 | 2015-12-02 | 济南压缩机厂有限公司 | High -efficient oil -gas separator |
| CN205937126U (en) * | 2016-08-12 | 2017-02-08 | 瑞智(青岛)精密机电有限公司 | Can observe rotary compressor of inside situation |
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2016
- 2016-08-12 CN CN201610663418.XA patent/CN106050669B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511261A (en) * | 2013-03-12 | 2014-01-15 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration circulating device |
| CN203867901U (en) * | 2014-05-26 | 2014-10-08 | 宁波益盛隆真空设备有限公司 | Efficient direct connection rotary-vane vacuum pump |
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| CN106050669A (en) | 2016-10-26 |
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