CN201843785U - Horizontal rotary compressor with oil separator - Google Patents
Horizontal rotary compressor with oil separator Download PDFInfo
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- CN201843785U CN201843785U CN2010206065702U CN201020606570U CN201843785U CN 201843785 U CN201843785 U CN 201843785U CN 2010206065702 U CN2010206065702 U CN 2010206065702U CN 201020606570 U CN201020606570 U CN 201020606570U CN 201843785 U CN201843785 U CN 201843785U
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- filter core
- upper flange
- noise reduction
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Abstract
The utility model discloses a horizontal rotary compressor with an oil separator. The oil separator comprises a muffling drainage housing and an oil separation filter element which are mounted between a motor stator winding coil head and an upper flange of a pump body and fixed on the upper flange, the muffling drainage housing is mounted between the upper flange and the filter element, and is provided with a drainage tube which is used for discharging the refrigerant discharged by a pump body exhaust valve to a compressor motor, and the filter element is provided with a positioning through hole matched with the drainage tube. The horizontal rotary compressor can separate lubricating oil droplets from the mixture gas of high-pressure refrigerant and lubricating oil mist exhausted via the exhaust outlet of the compressor in order to prevent the interior of the compressor from being damaged due to insufficient lubrication, consequently, the stability of the horizontal rotary compressor is enhanced, and the service life of the horizontal rotary compressor is prolonged.
Description
Technical field
The utility model relates to a kind of horizontal rotary compressor, particularly a kind of can from refrigeration agent, oil molecule being effectively separated, and the lubricant oil that prevents to splash is with the oil separating device of refrigerant gas from relief opening discharge horizontal rotary compressor.
Background technique
Rotary compressor is a kind of by motor driving, drives the eccentric crankshaft rolling rotor of bottom, sucks the mechanical device that low-pressure steam compresses and discharges along revolution of cylinder inner peripheral surface and moving of rotation.This mechanical structure is installed in the airtight housing, and the mounting type of rotary compressor has vertical and horizontal two kinds, is that the Chinese invention patent application of CN93120143.8 promptly discloses a kind of horizontal rotary compressor as number of patent application.The Horizontai rotary compressor critical piece is made of closed shell, motor, transmission shaft, compressor pump, oil feeding mechanism.Compressor is a rotating machinery at a high speed, for guaranteeing that the many key positions of reliable operation all need to be lubricated, oil feeding mechanism is from compressor bottom oil suction, be provided to as above position such as lower flange, bent axle, each position that needs fuel feeding, refrigeration oil forms one deck oil film between broken-in surface, reduced kinetic friction force, thereby has reduced friction wasted work and frictional heat, finally reduce the wear extent of part, improved the reliability and the durability of compressor.
All need the intervention of refrigeration oil in the operation process of rotary compressor.Different with common works, refrigeration compressor all can have a common problem to need to solve, that is exactly the control of walking oil mass, since in compressor the circuit refrigeration agent be a kind of can with the refrigeration oil dissolved gases, in the process that in the seal container of compressor, moves in circles, the mist of oil that refrigeration agent can splash a part enters in the refrigeration system along with pressurized gas are taken compressor out of.The existence of refrigeration oil, the heat exchange efficiency of refrigeration system can reduce, and compressor is interior owing to oil starvation overall performance, life-span can reduce.On the one hand, the existence of oil can influence heat-transfer effect in the refrigeration system pipeline, increases gas flow resistance in the pipeline; On the other hand, oil is taken out of compressor, and the whole pasta of compressor descends, and the moving element of compressor will wear and tear aggravation because can not get effectively lubricating until damage.
At present, producer increases by one group of special oil separating device for the oil extraction meeting of controlling compressor in compressor inside or outside, and the lubricating oil separation that is mixed in the gas is come out.As the notice of authorization number oil separating device that a kind of vertical rotating compressor adopts for the Chinese invention patent of CN100412379 discloses, this device separates baffle plate by install oil additional on running shaft, when refrigerant gas when compressor top is discharged, meet with the butterfly that is contained in top, heavier oil molecule is separated, gas is then discharged from the top, this kind device separating effect is better, but only be applicable to vertical rotary compressor, horizontal rotary compressor exhaust is at the compressor rear portion, adopt horizontal structure, the oil return compressor is whole to be 15 ° of inclination angles with ground in order to make things convenient for, and refrigeration agent need not directly to discharge by the relief opening from the rear portion from the gap of the pump housing through the butterfly of motor after the pump housing is discharged.So the lubricant oil in the refrigeration agent just can't effectively be separated.Because this defective, the oil content in the refrigeration agent is than vertical compressor height in exhaust process for horizontal compressor, and the global stability of compressor and life-span are also more vertical weaker.
Notice of authorization number discloses a kind of horizontal rotary compressor lubricating fitting and controlling method for the Chinese invention patent of CN 101440811, compressor separation method of refrigeration oil in exhaust process that this patent proposes is by muffler refrigerant gas to be sprayed into gap between rotor and the stator, the centrifugal force that refrigeration agent is produced when flowing through electric rotating machine, one branch's refrigeration oil is separated, and enter into first pressure area in compressor left side, get back to relief opening discharge compressor by the gap of stator and compressor cylindrical shell again.The oily separation pattern of this kind has certain oil to separate effect, many vertical rotating formula compressors are also mostly to be to adopt this pattern, but this kind separate mode can only be separated the refrigeration oil of larger particles, and compressor inside has only carried out separating together to lubricant oil, and oil content still can be higher in the refrigeration agent of discharge compressor.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of oil separating device that is built in the compressor closed shell, this device can will pass the high-pressure refrigerant of exhaust outlet of compressor discharging and the lubricated elaioleucite in the lubricant mist gas mixture is separated, cause because of lack of lubrication damage, raising Horizontai rotary compressor stability and working life to prevent that compressor is inner.Oil separating device of the present utility model takes up room little, assembles easily, and improved procedure is simple and cost is low, and need not to increase external oil separator just has the effect of oil separation preferably.
In order to achieve the above object, the utility model adopts following technological scheme:
A kind of horizontal rotary compressor that has oil separating device, comprise the motor section and the pump housing that are positioned at the compressor closed shell, described motor section comprises rotor and stator, stator is provided with the staor winding coil, described rotor setting-in is fixed on the running shaft, described stator have and rotor flank between have the inner peripheral surface of certain interval and be mounted on the enclosing housing, the described pump housing comprises upper flange and lower flange, also be provided with oil separating device in compressor closed shell inside, described oil separating device comprises that being installed on the staor winding coil head separates filter core with noise reduction drainage hood between the upper flange with oil, described noise reduction drainage hood separates filter core with oil and is fixed on the pump housing upper flange, and the noise reduction drainage hood is installed in upper flange and oil separates between the filter core; Also be provided with the drainage tube that the refrigeration agent that is used for discharging from pump housing outlet valve is discharged into this side of compressor electric motor on the noise reduction drainage hood, oil separates filter core and is provided with the positioning through hole that is complementary with drainage tube.
Preferably, described drainage tube tilts to compressor motor stator and gap between rotor, and the angle of inclination of positioning through hole is consistent with the angle of inclination of drainage tube.
For the lubricant oil that prevents to splash is discharged from relief opening, when refrigeration agent is discharged from pump housing outlet valve, be discharged into motor side by the drainage tube on the noise reduction drainage hood earlier.And position and compressor axis that drainage tube and noise reduction drainage hood are installed according to motor are provided with at an angle, and purpose is that the refrigerant gas after the compression is drained into motor side.And drainage tube is designed to tilt to compressor motor stator and gap between rotor, then refrigerant gas can be concentrated the interstitial site that is sprayed onto compressor motor stator and rotor, separate for the first time thereby the large particle mist of oil in the refrigeration agent is separated realization by the centrifugal force that the high speed rotating rotor is produced.Simultaneously, the temperature of refrigeration agent is compared low about 20 ℃ than the temperature of motor, can play the purpose of cooling compressor motor.
Because the relief opening of horizontal rotary compressor is on the compressor right side, after the gas refrigerant of High Temperature High Pressure is discharged to the compressor left side, need separate filter core by highdensity oil refrigeration oil is separated, the refrigerant gas after Oil-gas Separation separates filter core through oil again and is discharged by relief opening.For guaranteeing that oil separation filter core at utmost adsorbs mist of oil refrigerant gas is passed through smoothly, do not influence the integral body assembling of compressor again, oil separates filter core thickness and is not less than 6mm, and the gap between filter core and the compressor motor stator winding coil head is not less than 2mm.The oil molecule volume ratio was bigger when refrigeration agent passed through, most of oil particles is attracted on the filter core and flows back to compressor, the little many refrigerant gas of volume then can pass through by filter core and from the arc-shaped through-hole that compresses pump housing upper flange smoothly, realize separating for the second time, because filter core effect, compressor left side and right side have the pressure difference of 0.1-0.2MPa, when refrigeration agent arrives the compressor right side by filter core, the last part mist of oil adds that the self gravitation effect is back to the compressor bottom, realizes separating for the third time because the refrigeration agent flow velocity slows down.
Described oil separates filter core, noise reduction drainage hood and upper flange and is provided with mutual installation holes for matching, and oil separates filter core, the noise reduction drainage hood installs and fixes by threaded connector with upper flange and is in the same place.For being pressed abd fixed on the upper flange with the noise reduction drainage hood, described noise reduction drainage hood is provided with at least one recessed assembly department to upper flange, and between noise reduction drainage hood assembly department and oil separation filter core, be provided with sleeve, be used for the noise reduction drainage hood is pressed abd fixed on upper flange, described jacket casing is on threaded connector.
The utility model is the core component that has increased oil separating device on the basis of original horizontal rotary compressor structure: thread metal oil is separated filter core and noise reduction air guide sleeve, do not influence the normal assembly process of compressor, promptly only can realize that by simple increase two procedures splendid oil separates effect, manufacturing cost is low.Adopt the utility model, oarse-grained impurity and metal fragment in the system effectively can be separated, avoid entering the compressor oil-supplying management and the pump housing, damage compressor apparatus, reduce property loss.
Description of drawings
Fig. 1 is the vertical profile structural representation that adopts the horizontal rotary compressor embodiment of the utility model oil separating device;
Fig. 2 is a kind of oil separating device embodiment of the utility model assembly structure schematic representation;
Fig. 3 is the utility model embodiment's a compressor pump upper flange front view;
Fig. 4 a is the front view of the utility model embodiment silencer cover;
Fig. 4 b is that the B-B of Fig. 4 a is to sectional view;
10: closed shell; 20: motor section; 21: rotor; 22: the motor stator winding coil head; 23: motor stator; 30: running shaft; 31: the compressor axis; 40: the pump housing; 41: the noise reduction drainage hood; 41a: noise reduction drainage hood mounting hole; 41b: drainage tube; 41c: noise reduction drainage hood assembly department; 42: oil separates filter core; 42a: oil separates the filter core mounting hole; 42b: positioning through hole; 43: upper flange; 43a: upper flange mounting hole; 44: pump housing outlet valve; 45: threaded connector; 46: lower flange; 47: sleeve; 50: oil feeding mechanism;
The expression refrigerant flow direction.
Embodiment
Below, with reference to drawings and Examples embodiment of the present utility model is elaborated.
As shown in Figure 1, the Horizontai rotary compressor of present embodiment comprises the seal container 10 that possesses confined space, the motor section 20 that is installed in seal container inside, low pressure refrigerant is sucked the rotation pump housing 40 that the process compressor is also got rid of; The running shaft 30 of drive installation on the inner pump housing, give the mechanism 50 that oils of seal container internal feed lubricant oil.
Between compressor motor stator winding coil head and the pump housing, noise reduction drainage hood 41 is installed and separates filter core 42 with oil, described noise reduction drainage hood 41 separates filter core 42 with oil and is fixed on the pump housing upper flange 43, and noise reduction drainage hood 41 is installed in upper flange 43 and oil separates between the filter core 42.Be respectively equipped with mutual installation holes for matching 41a, 42a and 43a on noise reduction drainage hood, oil separation filter core and the upper flange, also be provided with the refrigeration agent that is used for discharging on the noise reduction drainage hood and be discharged into the drainage tube 41b that oil separates filter core 42 left sides from pump housing outlet valve 44, oil separates filter core and is provided with the positioning through hole 42b that is complementary with drainage tube 41b, separates between filter core 42 and the noise reduction drainage hood 41 also being provided with sleeve 47 at oil.
The gap of drainage tube 41b between compressor motor stator 23 and rotor 21 tilts, correspondingly, the angle of inclination of positioning through hole 42b is consistent with the angle of inclination of drainage tube 41b, separate the filter core left side so that the refrigerant gas after will compressing drains into oil, concentrate the interstitial site that is sprayed onto compressor motor stator and rotor.
It is the filter core of square groove stainless steel that described oil separates filter core 42, its order number is 300 orders, for guaranteeing that at utmost adsorbing mist of oil passes through refrigerant gas smoothly, do not influence the integral body assembling of compressor again, oil separates filter core 42 thickness and is not less than 6mm, and the gap is not less than 2mm between filter core and the compressor motor stator winding coil head 22.
During assembling, after compressor pump 40 assemblings are finished, just can carry out the noise reduction drainage hood separates filter core with oil installation, earlier mounting hole 43a corresponding on the mounting hole 41a of noise reduction drainage hood 41 and the upper flange 43 is alignd before installing, the positioning through hole 42b and the mounting hole 42a that oil are separated filter core align with the drainage tube 41b and the mounting hole 41a of noise reduction drainage hood respectively again, and separate between the mounting hole of filter core 42 and the noise reduction drainage hood 41 at oil and to install a sleeve 47 additional, sleeve 47 is enclosed within on the threaded connector, at last, with filter core, drainage hood, upper flange is in place by threaded connector 45, simultaneously, one end of sleeve 47 is pressed on the noise reduction drainage hood assembly department 41c, the other end withstands on oil to be separated on the filter core 42, thus, has finished the installation of horizontal compressor oil separator.As shown in Figure 2.
Being QHL-37.6E, refrigeration agent model with two compressor models is that the horizontal compressor of R404a is an example, under the operating condition of test condition of standard (with reference to GB/T 9098-20086.2): the low pressure of system works pressure is 0.114MPa, high pressure is 2.044MPa, voltage is 220V, evaporating temperature is-23.3 ℃, inhalation temperature is 32.2 ℃, and ambient temperature is 35 ℃.The horizontal compressor of oil separator of the present utility model is installed is compared with the horizontal compressor that oil separator is not installed, the oil content in its discharging refrigerant is respectively 5 ‰ and 3.5%, and the former compressor oil separating effect is greatly improved.Present embodiment oil content test method adopts the method that is provided in the GB/T5773-2004 appendix A to measure.
The foregoing description only is enumerating the utility model technical conceive way of realization; protection domain of the present utility model is not limited only to the foregoing description, and protection domain of the present utility model may extend to those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present utility model.
Claims (5)
1. horizontal rotary compressor that has oil separating device, comprise the motor section (20) and the pump housing (40) that are positioned at compressor closed shell (10), described motor section comprises rotor (21) and stator (23), stator (23) is provided with the staor winding coil, described rotor setting-in is fixed on the running shaft (30), described stator (23) have and rotor (21) side face between have the inner peripheral surface of certain interval and be mounted on the enclosing housing (10), the described pump housing comprises pump housing upper flange (43), it is characterized in that: be provided with oil separating device in compressor closed shell inside, described oil separating device comprises that the noise reduction drainage hood (41) and the oil that are installed between staor winding coil head (22) and the upper flange (43) separate filter core (42), described noise reduction drainage hood (41) separates filter core (42) with oil and is fixed on the pump housing upper flange (43), and noise reduction drainage hood (41) is installed in upper flange (43) and oil separates between the filter core (42); Also be provided with the drainage tube (41b) that the refrigeration agent that is used for discharging from pump housing outlet valve (44) is discharged into this side of compressor electric motor on the noise reduction drainage hood, oil separates filter core and is provided with the positioning through hole (42b) that is complementary with drainage tube (41b).
2. the horizontal rotary compressor that has oil separating device as claimed in claim 1, it is characterized in that: the gap of described drainage tube (41b) between compressor motor stator (23) and rotor (21) tilts, and the angle of inclination of positioning through hole (42b) is consistent with the angle of inclination of drainage tube (41b).
3. the horizontal rotary compressor that has oil separating device as claimed in claim 1 or 2 is characterized in that: described oil separates filter core, the noise reduction drainage hood is connected by threaded connector (45) with upper flange; Described noise reduction drainage hood (41) is provided with at least one recessed assembly department to upper flange (41c), and separate to be provided with between the filter core (42) at noise reduction drainage hood assembly department (41c) and oil and be used for noise reduction drainage hood (41) is pressed abd fixed on sleeve (47) on the upper flange, jacket casing is on threaded connector.
4. the horizontal rotary compressor that has oil separating device as claimed in claim 1 or 2 is characterized in that: described oil separates filter core (42) thickness and is not less than 6mm, and the gap is not less than 2mm between filter core and the compressor motor stator winding coil head (22).
5. the horizontal rotary compressor that has oil separating device as claimed in claim 3 is characterized in that: described oil separates filter core (42) thickness and is not less than 6mm, and the gap is not less than 2mm between filter core and the compressor motor stator winding coil head (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206065702U CN201843785U (en) | 2010-11-15 | 2010-11-15 | Horizontal rotary compressor with oil separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206065702U CN201843785U (en) | 2010-11-15 | 2010-11-15 | Horizontal rotary compressor with oil separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201843785U true CN201843785U (en) | 2011-05-25 |
Family
ID=44038677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206065702U Expired - Fee Related CN201843785U (en) | 2010-11-15 | 2010-11-15 | Horizontal rotary compressor with oil separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201843785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917781A (en) * | 2011-11-09 | 2014-07-09 | 三洋电机株式会社 | Horizontally mounted compressor |
-
2010
- 2010-11-15 CN CN2010206065702U patent/CN201843785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917781A (en) * | 2011-11-09 | 2014-07-09 | 三洋电机株式会社 | Horizontally mounted compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20161115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |