CN104061167A - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN104061167A CN104061167A CN201410259285.0A CN201410259285A CN104061167A CN 104061167 A CN104061167 A CN 104061167A CN 201410259285 A CN201410259285 A CN 201410259285A CN 104061167 A CN104061167 A CN 104061167A
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- rotary compressor
- lower flange
- outlet pipe
- oil sump
- cylinder
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Abstract
The invention discloses a rotary compressor, which comprises a shell, a lower flange disc, a lower flange silencer, an upper flange disc, a cylinder and an exhaust pipe, wherein an oil pool is arranged at the bottom of the shell; the lower flange disc is arranged in the shell and in the oil pool; the lower flange silencer is arranged at the outer side of the lower flange disc; the cylinder is arranged on the lower flange disc; the upper flange disc is arranged on the cylinder; the exhaust pipe comprises a gas inlet end, a gas outlet end and a pipe body; the gas inlet end is arranged on the lower flange silencer; the pipe body is arranged in the oil pool of the shell. The structure of the rotary compressor is simple and reasonable in design; the exhaust pipe is arranged in the oil pool; the thermal energy of gas is transmitted to cooling oil in the oil pool through heat exchange, the temperature of the cooling oil in the oil pool is increased and the reliable operation of the rotary compressor is guaranteed.
Description
Technical field
The present invention relates to compression device field, particularly relate to a kind of rotary compressor.
Background technique
As shown in Figure 1, the gas producing when cylinder operation in rotary compressor is discharged along the direction of arrow shown in Fig. 1.Rotary compressor is in the time of low-temperature heating; because of factors such as inhalation temperature are low; cause the temperature of refrigeration oil in the oil sump of rotary compressor on the low side; now the temperature of refrigeration oil is near or below the condensing temperature of refrigeration oil; situation is that rotary compressor is unallowed in work time institute like this; refrigeration oil temperature in oil sump is too low; the liquid refrigerants of the condenser of rotary compressor can be back to the inside of rotary compressor in the time shutting down; easily cause rotary compressor hydrops; cause rotary compressor liquid hammer, have a strong impact on the reliability of rotary compressor.
In view of above-mentioned defect, the inventor has obtained the invention finally through long research and practice.
Summary of the invention
Based on this, be necessary the problem on the low side for the chilled liquid temperature in the oil sump of rotary compressor, a kind of rotary compressor that can improve chilled liquid temperature in oil sump is provided.Above-mentioned purpose is achieved through the following technical solutions:
A kind of rotary compressor, comprise housing, lower flange, lower flange baffler, upper flange plate, cylinder and outlet pipe, the bottom of described housing is provided with oil sump, described lower flange is arranged in described housing, and described lower flange is positioned at described oil sump, described lower flange muffler cover is located at the outside of described lower flange, described cylinder is arranged on described lower flange, described upper flange plate is arranged on described cylinder, described rotary compressor also comprises, described outlet pipe comprises inlet end, outlet side and body, described inlet end is arranged on described lower flange baffler, described body is arranged in the oil sump of described housing.
Above-mentioned purpose can also further realize by following technical proposals.
In an embodiment, the position of the relief opening of described outlet side is higher than the liquid level height of refrigeration oil in described oil sump therein.
Therein in an embodiment, the outlet side of described outlet pipe is communicated to the internal cavities of described housing successively through described cylinder and described upper flange plate, and the relief opening of described outlet side is arranged on the top of described upper flange plate.
In an embodiment, the bearing of trend of the outlet side of described outlet pipe is parallel with the axis of described rotary compressor therein.
In an embodiment, described body is spiral coil pipe therein.
In an embodiment, described outlet pipe is outward corrugated tube or male-pipe therein.
In an embodiment, described inlet end, described body and described outlet side are one-body molded therein.
In an embodiment, described outlet pipe is copper pipe or Stainless Steel Tube therein.
In an embodiment, described spiral coil pipe is around on described lower flange baffler therein.
In an embodiment, the top of described housing is also provided with exhaust port therein, and the internal cavities of described housing is communicated with described exhaust port.
The invention has the beneficial effects as follows:
Rotary compressor of the present invention, structural design advantages of simple, the body of outlet pipe is arranged in oil sump, rotary compressor is in the time of work, in oil sump, be full of refrigeration oil, the entrance point of outlet pipe is arranged on lower flange baffler, and gas passes to the refrigeration oil in oil sump by the form of heat exchange by the heat of gas itself while entering the body of outlet pipe, improve the temperature of the refrigeration oil in oil sump, ensure the reliable operation of rotary compressor.
Brief description of the drawings
Fig. 1 is the structural representation of existing rotary compressor;
Fig. 2 is the structural representation of the rotary compressor of one embodiment of the invention;
Fig. 3 is the plan view of outlet pipe in the rotary compressor shown in Fig. 2;
Fig. 4 is the plan view of outlet pipe in the rotary compressor shown in Fig. 2;
Wherein:
100-rotary compressor;
110-housing;
111-oil sump; 112-exhaust port;
120-cylinder;
121-roller;
130-lower flange;
140-lower flange baffler;
150-outlet pipe;
151-inlet end; 152-body; 153-outlet side;
160-upper flange plate;
170-upper flange baffler;
180-electric machine assembly;
181-rotor; 182-stator; 183-envelope curve;
190-bent axle.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, by the following examples, and by reference to the accompanying drawings, rotary compressor of the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 2 to Fig. 4, one embodiment's rotary compressor 100, comprises housing 110, lower flange 130, upper flange plate 160, cylinder 120, outlet pipe 150, bent axle 190, electric machine assembly 180, lower flange baffler 140, upper flange baffler 170, liquor separator and outlet pipe 150.The bottom of housing 110 is provided with oil sump 111, in oil sump 111, refrigeration oil is housed, upper flange plate 160 is installed in housing 110, and lower flange 130 is installed on upper flange plate 160, lower flange 130 is positioned at the top of oil sump 111, and upper flange plate 160 is positioned at the top of lower flange 130.Lower flange baffler 140 is located at the outside of lower flange 130, and upper flange baffler 170 is located at the outside of upper flange plate 160, reduces the noise of cylinder 120 in the time working by lower flange baffler 140 and upper flange baffler 170.Cylinder 120 is installed between lower flange 130 and upper flange plate 160, in cylinder 120, be provided with roller 121, bent axle 190 is arranged in cylinder 120 through electric machine assembly 180 and upper flange plate 160 successively, and roller 121 is installed in one end that bent axle 190 is arranged in cylinder 120, rotor 181 in electric machine assembly 180 rotates band dynamic crankshaft 190 and rotates, bent axle 190 rotates and drives roller 121 to rotate, roller 121 is at the angry body of cylinder 120 transfer movable properties, and this gas is drained into the inside of the housing 110 of rotary compressor 100 by outlet pipe 150.Electric machine assembly 180 comprises stator 182 and rotor 181, and rotor 181 is arranged on bent axle 190, and stator 182 is arranged on housing 110, is connected by envelope curve 183 with the power supply of rotary compressor 100 simultaneously.
Further, outlet pipe 150 comprises inlet end 151, outlet side 153 and body 152, and inlet end 151 is arranged on lower flange baffler 140, and body 152 is arranged in the oil sump 111 of rotary compressor 100.Further, the inlet end 151 of outlet pipe 150 is fixed on lower flange baffler 140, body 152 is arranged in oil sump 111, outlet side 153 is communicated to the internal cavities of housing 110 successively through cylinder 120 and upper flange plate 160, simultaneously, envelope curve 183 lower ends of electric machine assembly 180 are aimed in the outlet side 153 of outlet pipe 150, and the gas that cylinder 120 produces in the time of work is flowed into and is discharged to by outlet side 153 in the internal cavities of housing 110 by inlet end 151.Further, the bearing of trend of the outlet side 153 of outlet pipe 150 is parallel with the axial direction of rotary compressor 100, and the bearing of trend of the outlet side 153 of outlet pipe 150 is parallel with the axial direction of bent axle 190.
The inlet end 151 of outlet pipe 150 is arranged on lower flange baffler 140, on lower flange baffler 140, be provided with passage, the gas producing when cylinder 120 is worked flows into from the entrance point of outlet pipe 150 by this passage, the body 152 of this gas process outlet pipe 150 is also discharged by the outlet end of outlet pipe 150, the gas producing when cylinder 120 is worked has certain temperature, body 152 is arranged in oil sump 111, the heat of gas itself is passed to the refrigeration oil in oil sump 111 by form by heat exchange when the fashionable body 152 of gas flow, improve the temperature of the refrigeration oil in oil sump 111, and then ensure that the temperature of refrigeration oil is higher than the condensing temperature of refrigeration oil, rotary compressor 100 refrigeration oil in the time shutting down can not be refluxed, ensure the reliability of rotary compressor 100.
It is to be undertaken by offer the mode of exhaust passage on upper flange plate 160 that current rotary compressor 100 is discharged the gas in cylinder 120, gas is discharged along the direction of arrow shown in Fig. 1, gas is discharged to by the exhaust passage on upper flange plate 160 in the internal cavities of housing 110, rotary compressor 100 is in the time carrying out low-temperature heating, can there is the condensing temperature that is near or below freezing liquid in the temperature of the freezing liquid in oil sump 111, affect the reliability of rotary compressor 100.And rotary compressor 100 of the present invention is by improving the exhaust mode of cylinder 120 interior gases, gas is discharged along the direction of arrow shown in Fig. 2, rationally utilize the heat of the gas of discharging to improve the temperature of the freezing liquid in oil sump 111, guarantee rotary compressor 100 can normally be worked in the time of low-temperature heating.On lower flange baffler 140, increase and have outlet pipe 150, gas cylinder 120 being produced by outlet pipe 150 transfers heat to the freezing liquid in oil sump 111 in the mode of heat exchange, improves the temperature of the freezing liquid in pond, gas can also be discharged simultaneously.
Further, the position at the relief opening place of outlet side 153 is higher than the liquid level height of oil sump 111 interior refrigeration oils.The position at the relief opening place of requirement outlet side 153 is higher than the liquid level height of oil sump 111 interior refrigeration oils, if the position at the relief opening place of outlet side 153 is during less than or equal to the liquid level height of oil sump 111 interior refrigeration oils, outlet pipe 150 is installed on lower flange baffler 140, body 152 is positioned at oil sump 111, the relief opening of outlet side 153 now is also positioned at oil sump 111, after the interior injection refrigeration oil of oil sump 111, body 152 and outlet side 153 can be immersed in refrigeration oil, in the time that the gas in cylinder 120 is discharged by outlet pipe 150, can cause the refrigeration oil rolling in oil sump 111, cause the oil drain quantity of rotary compressor 100 high, affect the heat transfer effect of the performance of rotary compressor 100 and the heating of application rotary compressor 100 of the present invention.
As a kind of embodiment, body 152 is spiral coil pipe.Like this, gas being discharged to cylinder 120 when interior, outlet pipe 150 transfers heat to the refrigeration oil in oil sump 111 by spiral body 152.Spiral coil pipe can be realized heat transmission from bottom to top, because thermal motion has the trend of upwards transmitting, can ensure to heat the freezing liquid in oil sump 111 in vertical direction.Further, the number of turns of the spiral of body 152 is more than a circle or encloses.Body 152 is for heating the freezing liquid in oil sump 111, the number of turns of the spiral of body 152 is The more the better, but consider that the degree of depth of oil sump 111 and lower flange 130 are to the distance between at the bottom of oil sump 111 ponds, the number of turns of the spiral of body 152 too much, will put in not oil-feed pond 111, therefore, in the present invention, the number of turns of the spiral of body 152 is circle to three circle, heats the freezing liquid in oil sump 111 by spiral body 152, improves the temperature of oil sump 111 interior freezing liquids.In the present embodiment, the number of turns of body 152 is a circle.Further, the section area of outlet pipe 150 is more than or equal to the section area of the exhaust passage on upper flange plate 160 in current exhaust mode, to ensure that gas can discharge outlet pipe 150 smoothly.
Further, the inlet end 151 of outlet pipe 150 is arranged on lower flange baffler 140, and the channel connection on inlet end 151 and lower flange baffler 140, the gas producing when cylinder 120 is worked is discharged by outlet pipe 150 through lower flange 130 and lower flange baffler 140.The inlet end 151 of outlet pipe 150 is arranged on lower flange baffler 140, and the spiral coil pipe of outlet pipe 150 is arranged on the outside of lower flange baffler 140, lower flange baffler 140 and lower flange 130 are immersed in the freezing liquid in oil sump 111 simultaneously, the body 152 of outlet pipe 150 and inlet end 151 are all immersed in the freezing liquid of oil sump 111, the outlet side 153 of outlet pipe 150 exceeds the liquid level of freezing liquid, to ensure that the gas that cylinder 120 produces discharges by outlet side 153.
Lower flange baffler 140 is located at the outside of lower flange 130, the inlet end 151 of outlet pipe 150 is arranged on lower flange baffler 140, and the spiral coil pipe of outlet pipe 150 is around in the outside at lower flange baffler 140, therefore, require the spiral internal diameter of the spiral coil pipe of outlet pipe 150 to be more than or equal to the external diameter of lower flange baffler 140, ensure that outlet pipe 150 can be arranged on lower flange baffler 140.Simultaneously, outlet pipe 150 is arranged on lower flange baffler 140, and be immersed in the freezing liquid of oil sump 111, because the liquid level height of the freezing liquid in oil sump 111 is certain, outlet pipe 150 has taken a part of volume of oil sump 111, reduce the injection amount of the freezing liquid in oil sump 111, the cost that the refrigeration oil of minimizing can balance row tracheae 150, outlet pipe 150 can also increase the reliability of rotary compressor 100 simultaneously.Further, outlet pipe 150 is fixed on lower flange baffler 140 by welding or the mode such as gluing.In the present embodiment, mode by welding is welded on the inlet end of outlet pipe 150 151 on lower flange baffler 140, ensure that the inlet end 151 of outlet pipe 150 and the part that is connected of lower flange baffler 140 do not have freezing liquid inflow, can normally discharge by outlet pipe 150 gas.
As a kind of embodiment, outlet pipe 150 is outward corrugated tube or male-pipe.Further, outlet pipe 150 for heat-exchange performance is good, contractibility energy and solderability good and need to meet the tubing such as copper pipe or Stainless Steel Tube of the internal environment of rotary compressor 100.The outlet pipe 150 that outward corrugated tube or male-pipe are made can increase rate of heat transfer.In the present embodiment, can adopt diameter to be at least more than 9.52 tubing such as copper pipe or Stainless Steel Tube to be processed into the outlet pipe 150 of outward corrugated tube or male-pipe.
As a kind of embodiment, inlet end 151, body 152 and outlet side 153 are one-body molded.By inlet end 151, the body 152 and outlet side 153 of integrated processing mode processing outlet pipe 150, can reduce the cost of production of outlet pipe 150.Meanwhile, the inlet end 151 of outlet pipe 150, body 152 need to seamlessly transit with the joint of outlet side 153, the resistance when reducing outlet pipe 150 exhaust.
As a kind of embodiment, the top of housing 110 is also provided with exhaust port 112, and the internal cavities of housing 110 is communicated with exhaust port 112, and the gas that discharge the outlet side 153 of outlet pipe 150 is discharged by exhaust port 112.Gas in cylinder 120 is discharged to the inside of the housing 110 of rotary compressor 100 by outlet pipe 150, in the time that gas reaches a certain amount of, can exert an influence to the work of rotary compressor 100, gas need to be discharged to rotary compressor 100, therefore, top by the housing 110 at rotary compressor 100 arranges exhaust port 112, and gas is discharged to rotary compressor 100.
The above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a rotary compressor, comprise housing, lower flange, lower flange baffler, upper flange plate and cylinder, the bottom of described housing is provided with oil sump, described lower flange is arranged in described housing, and described lower flange is positioned at described oil sump, described lower flange muffler cover is located at the outside of described lower flange, described cylinder is arranged on described lower flange, described upper flange plate is arranged on described cylinder, it is characterized in that, described rotary compressor also comprises outlet pipe, described outlet pipe comprises inlet end, outlet side and body, described inlet end is arranged on described lower flange baffler, described body is arranged in the oil sump of described housing.
2. rotary compressor according to claim 1, is characterized in that, the position of the relief opening of described outlet side is higher than the liquid level height of refrigeration oil in described oil sump.
3. rotary compressor according to claim 2, it is characterized in that, the outlet side of described outlet pipe is communicated to the internal cavities of described housing successively through described cylinder and described upper flange plate, the relief opening of described outlet side is arranged on the top of described upper flange plate.
4. rotary compressor according to claim 2, is characterized in that, the bearing of trend of the outlet side of described outlet pipe is parallel with the axis of described rotary compressor.
5. according to the rotary compressor described in claim 1 to 4 any one, it is characterized in that, described body is spiral coil pipe.
6. rotary compressor according to claim 5, is characterized in that, described outlet pipe is outward corrugated tube or male-pipe.
7. rotary compressor according to claim 5, is characterized in that, described inlet end, described body and described outlet side are one-body molded.
8. rotary compressor according to claim 5, is characterized in that, described outlet pipe is copper pipe or Stainless Steel Tube.
9. rotary compressor according to claim 5, is characterized in that, described spiral coil pipe is around on described lower flange baffler.
10. rotary compressor according to claim 3, is characterized in that, the top of described housing is also provided with exhaust port, and the internal cavities of described housing is communicated with described exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259285.0A CN104061167B (en) | 2014-06-11 | 2014-06-11 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259285.0A CN104061167B (en) | 2014-06-11 | 2014-06-11 | Rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061167A true CN104061167A (en) | 2014-09-24 |
| CN104061167B CN104061167B (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410259285.0A Active CN104061167B (en) | 2014-06-11 | 2014-06-11 | Rotary compressor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57384A (en) * | 1980-06-04 | 1982-01-05 | Hitachi Ltd | Cooler in compressor |
| JPH057384A (en) * | 1991-06-27 | 1993-01-14 | Sanwa Denshi Kiki Kk | Remote control transmitter |
| CN1510296A (en) * | 2002-12-25 | 2004-07-07 | 乐金电子(天津)电器有限公司 | Device for decreasing rotary compressor lubricant oil loss discharge |
| WO2006014081A1 (en) * | 2004-08-06 | 2006-02-09 | Lg Electronics Inc. | Capacity variable device for rotary compressor and driving method of air conditioner having the same |
| CN101576083A (en) * | 2008-05-08 | 2009-11-11 | 童夏民 | Cooling cylinder compression cycle of rotor-type compressor |
| US20120294748A1 (en) * | 2011-05-17 | 2012-11-22 | Hitachi Appliances, Inc. | Sealed Scroll Compressor for Helium |
| CN203962416U (en) * | 2014-06-11 | 2014-11-26 | 珠海凌达压缩机有限公司 | Rotary compressor |
-
2014
- 2014-06-11 CN CN201410259285.0A patent/CN104061167B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57384A (en) * | 1980-06-04 | 1982-01-05 | Hitachi Ltd | Cooler in compressor |
| JPH057384A (en) * | 1991-06-27 | 1993-01-14 | Sanwa Denshi Kiki Kk | Remote control transmitter |
| CN1510296A (en) * | 2002-12-25 | 2004-07-07 | 乐金电子(天津)电器有限公司 | Device for decreasing rotary compressor lubricant oil loss discharge |
| WO2006014081A1 (en) * | 2004-08-06 | 2006-02-09 | Lg Electronics Inc. | Capacity variable device for rotary compressor and driving method of air conditioner having the same |
| CN101576083A (en) * | 2008-05-08 | 2009-11-11 | 童夏民 | Cooling cylinder compression cycle of rotor-type compressor |
| US20120294748A1 (en) * | 2011-05-17 | 2012-11-22 | Hitachi Appliances, Inc. | Sealed Scroll Compressor for Helium |
| CN203962416U (en) * | 2014-06-11 | 2014-11-26 | 珠海凌达压缩机有限公司 | Rotary compressor |
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| Publication number | Publication date |
|---|---|
| CN104061167B (en) | 2016-08-31 |
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