CN102032183A - Double-stage scroll refrigerating compressor supplied with oil by using pressure difference - Google Patents
Double-stage scroll refrigerating compressor supplied with oil by using pressure difference Download PDFInfo
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- CN102032183A CN102032183A CN 201110000905 CN201110000905A CN102032183A CN 102032183 A CN102032183 A CN 102032183A CN 201110000905 CN201110000905 CN 201110000905 CN 201110000905 A CN201110000905 A CN 201110000905A CN 102032183 A CN102032183 A CN 102032183A
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Abstract
The invention discloses a double-stage scroll refrigerating compressor supplied with oil by using pressure difference, and aims to provide a compressor for meeting the requirement of a low-temperature refrigerating system, reducing power consumption, ensuring the operating performance, saving the energy and protecting the environment. The compressor comprises a shell, a motor stator, a motor rotor, and a low-pressure compression assembly and a high-pressure compression assembly arranged on the same axis direction, wherein the low-pressure compression assembly and the high-pressure compression assembly are positioned at two ends of the shell respectively, the motor stator and the motor rotor are positioned between the low-pressure compression assembly and the high-pressure compression assembly, and a low-pressure oil supply pipe and a high-pressure oil supply pipe are connected with a low-pressure base and a high-pressure base respectively and extend into an oil tank at the bottom of the shell. The working process of the compressor is divided into two compression stages, and the pressure ratio of the two stages is smaller than a specification value so as to reduce the power consumption of the compressor and meet the requirement of the low-temperature refrigerating system; and by using the pressure of low-pressure exhaust in the shell, pressure difference oil supply is realized, and the operating performance of the compressor is ensured.
Description
Technical field
The present invention relates to a kind of twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding that is applicable to cryogenic refrigerating system.
Background technique
In refrigeration system, when evaporating temperature reduction or condensing temperature rising, the exhaust pressure of compressor and the ratio of pressure of inspiration(Pi) increase, and power consumpiton increases, and volumetric efficiency reduces, delivery temperature rising, the decreased performance of lubricant oil, the ride quality decline of compressor.For making compressor safety, reliable and economic operation, when the ratio of condensing pressure and evaporating pressure surpasses normal value, should adopt the twin-stage compression.Horizontal type scroll formula refrigeration compressor has the characteristic stably that turns round, and for satisfying the demand of cryogenic refrigerating system, enlarges the using scope of swirl type cold compressor, should develop energy-conserving and environment-protective, twin-stage horizontal type scroll formula refrigeration compressor simple in structure.But there is not the researcher to propose the concrete technological scheme of implementing at present.
Summary of the invention
The present invention is in order to overcome deficiency of the prior art, to provide a kind of twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding that is applicable to cryogenic refrigerating system, to satisfy the demand of cryogenic refrigerating system; guarantee the ride quality of compressor; reduce operating cost, energy saving, protection environment.
The present invention is achieved through the following technical solutions:
A kind of twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding is characterized in that, the low pressure stage compression assembly and the high pressure stage compression assembly that comprise casing, motor stator, rotor, be provided with along same axial direction; Low pressure stage compression assembly and high pressure stage compression assembly lay respectively at the two ends of casing, and described rotor and motor stator are between low pressure stage compression assembly and high pressure stage compression assembly;
Described low pressure stage compression assembly comprises low pressure stage main shaft, low pressure stage support, low pressure stage rotation scroll, low pressure stage fixed scroll, low pressure stage cross coupling ring, low pressure stage fuel supply line, low pressure stage sucking pipe, low pressure stage outlet pipe; Described low pressure stage main shaft is crank shaft structure and along continuous straight runs setting, one end of described low pressure stage main shaft passes the low pressure stage support and cooperates with rotor, the eccentric crank pin that has on the described low pressure stage main shaft cooperates with the axle connecting groove in the outside, low pressure stage rotation scroll chassis, boss on the low pressure stage cross coupling ring with lay respectively at low pressure stage support and low pressure stage rotation scroll on become the groove fit of cross distribution to be connected low pressure stage support and low pressure stage rotation scroll, low pressure stage rotation scroll is by the center steering translation of low pressure stage main shaft drive around the low pressure stage fixed scroll; Described low pressure stage support two lugs and casing radially closely cooperates, and described low pressure stage support is connected with the low pressure stage fixed scroll with screw by sealing gasket; The low pressure stage oilhole that described low pressure stage support is provided with and low pressure stage main shaft surface is communicated with, described low pressure stage oilhole is connected with low pressure stage fuel supply line in the floodlubrication oil sump; Described low pressure stage fixed scroll top bottom-disc center position is provided with the low pressure stage exhaust port, and the low pressure stage outlet pipe is installed on the described casing; Low pressure stage fixed scroll and low pressure stage rotation scroll are with the phase difference engagement of 180 degree, side contacts in the chassis of the top of the scroll wrap of low pressure stage fixed scroll and low pressure stage rotation scroll, the chassis inner surface of low pressure stage fixed scroll contacts with the top end surface of the scroll wrap of low pressure stage rotation scroll, and on axis, form outermost low pressure stage breathing space, the low pressure stage exhaust space that innermost layer communicates with the low pressure stage exhaust port, middle low pressure stage compression volume is totally three pairs of working rooms, described low pressure stage support is provided with the low pressure stage intakeport that is communicated with outermost low pressure stage breathing space, and described low pressure stage intakeport is connected with the low pressure stage sucking pipe;
Described high pressure stage compression assembly comprises high pressure stage main shaft, high pressure stage support, high pressure stage rotation scroll, high pressure stage fixed scroll, high pressure stage cross coupling ring, high pressure stage fuel supply line, high pressure stage sucking pipe, high pressure stage outlet pipe; Described high pressure stage main shaft is crank shaft structure and along continuous straight runs setting, one end of described high pressure stage main shaft passes the high pressure stage support and cooperates with described rotor by sleeve, the eccentric crank pin that has on the described high pressure stage main shaft cooperates with the axle connecting groove in the outside, high pressure stage rotation scroll chassis, boss on the high pressure stage cross coupling ring with lay respectively at high pressure stage support and high pressure stage rotation scroll on become the groove fit of cross distribution to be connected high pressure stage support and high pressure stage rotation scroll, high pressure stage rotation scroll is by the center steering translation of high pressure stage main shaft drive around the high pressure stage fixed scroll; Described high pressure stage support two lugs and casing radially closely cooperates, and described high pressure stage support is connected with the high pressure stage fixed scroll with screw by sealing gasket; Described high pressure stage support is provided with the high pressure stage oilhole that is communicated with high pressure stage main shaft surface; Described high pressure stage oilhole is connected with high pressure stage fuel supply line in the floodlubrication oil sump; Described high pressure stage fixed scroll top bottom-disc center position is provided with the high pressure stage exhaust port, high pressure stage exhaust port and the welding of high pressure stage outlet pipe; High pressure stage fixed scroll and high pressure stage rotation scroll are with the phase difference engagement of 180 degree, side contacts in the chassis of the top of the scroll wrap of high pressure stage fixed scroll and high pressure stage rotation scroll, the chassis inner surface of high pressure stage fixed scroll contacts with the top end surface of the scroll wrap of high pressure stage rotation scroll, and on axis, form outermost high pressure stage breathing space, the high pressure stage exhaust space that innermost layer communicates with the high pressure stage exhaust port, middle high pressure stage compression volume is totally three pairs of working rooms, described high pressure stage fixed scroll is provided with the high pressure stage intakeport that is communicated with outermost high pressure stage breathing space, and described high pressure stage intakeport is connected with the high pressure stage sucking pipe;
Described rotor cooperates with motor stator, and motor stator cooperates with casing.
High pressure stage suction port on the described high pressure stage fixed scroll is radially upward to offering; High pressure stage sucking pipe, low pressure stage sucking pipe and low pressure stage outlet pipe all upwards weld with casing.
Eccentric crank pin on the described high pressure stage main shaft becomes 180 degree to arrange with eccentric crank pin on the low pressure stage main shaft.
Described casing is formed by connecting by left casing and right casing.
The present invention has following technique effect:
1, the present invention utilizes the twin-stage swirl type cold compressor of pressure reduction fuel feeding, utilize low pressure stage compression assembly and high pressure stage compression assembly in the same casing, the evaporating temperature that the refrigeration system operating mode is required and the pressure of inspiration(Pi) of condensing temperature correspondence and exhaust pressure ratio, be divided into two compression stages, the pressure ratio that makes each grade is less than normal value, to reduce the power consumpiton of compressor, satisfy the demand of cryogenic refrigerating system.And, utilize the pressure of the low pressure stage exhaust in the casing to realize the pressure reduction fuel feeding, guarantee the ride quality of compressor.
2, the present invention utilizes the twin-stage swirl type cold compressor main shaft of pressure reduction fuel feeding not have the processing of oilhole and oil duct, and is simple in structure, intensity is high, good reliability, can reduce diameter, save material, weight reduction.
2, the twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding of the present invention, component structural is simple, and processing and assembling is convenient, and control is flexibly, and is safe and reliable.Energy saving, the protection environment.
Description of drawings
Fig. 1 utilizes the schematic representation of the twin-stage swirl type cold compressor of pressure reduction fuel feeding for the present invention;
Fig. 2 is the A-A sectional view;
Fig. 3 is the B-B sectional view.
Embodiment
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
The schematic representation of the twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding of the present invention as shown in Figure 1 to Figure 3.The low pressure stage compression assembly and the high pressure stage compression assembly that comprise casing 4, motor stator 12, rotor 13, be provided with along same axial direction.Low pressure stage compression assembly and high pressure stage compression assembly lay respectively at the two ends of casing, and described rotor and motor stator are between low pressure stage compression assembly and high pressure stage compression assembly.
Described low pressure stage compression assembly comprises low pressure stage main shaft 11, low pressure stage support 3, low pressure stage rotation scroll 8, low pressure stage fixed scroll 5, low pressure stage cross coupling ring 2, low pressure stage fuel supply line 10, low pressure stage sucking pipe 25, low pressure stage outlet pipe 26.Described low pressure stage main shaft 11 is crank shaft structure and along continuous straight runs setting, one end of described low pressure stage main shaft 11 passes low pressure stage support 3 and cooperates with rotor 13, the eccentric crank pin that has on the described low pressure stage main shaft 11 cooperates with the axle connecting groove in the outside, low pressure stage rotation scroll 8 chassis, boss on the low pressure stage cross coupling ring 2 with lay respectively at low pressure stage support and low pressure stage rotation scroll on become the groove fit of cross distribution to be connected low pressure stage support 3 and low pressure stage rotation scroll 8, low pressure stage rotation scroll 8 is by the center steering translation of low pressure stage main shaft 11 drives around low pressure stage fixed scroll 5.Described low pressure stage support 3 two lugs and casing 4 radially closely cooperates, and described low pressure stage support 3 is connected with low pressure stage fixed scroll 5 with screw 7 by sealing gasket.The low pressure stage oilhole 1 that described low pressure stage support 3 is provided with and low pressure stage main shaft surface is communicated with, described low pressure stage oilhole 1 is connected with low pressure stage fuel supply line 10 in the floodlubrication oil sump.Described low pressure stage fixed scroll 5 top bottom-disc center positions are provided with low pressure stage exhaust port 6, and low pressure stage outlet pipe 26 is installed on the described casing.Low pressure stage fixed scroll 5 and of the phase difference engagement of low pressure stage rotation scroll 8 with 180 degree, side contacts in the chassis of the top of the scroll wrap of low pressure stage fixed scroll and low pressure stage rotation scroll, the chassis inner surface of low pressure stage fixed scroll contacts with the top end surface of the scroll wrap of low pressure stage rotation scroll, and on axis, form outermost low pressure stage breathing space, the low pressure stage exhaust space that innermost layer communicates with the low pressure stage exhaust port, middle low pressure stage compression volume is totally three pairs of working rooms, described low pressure stage support 3 is provided with the low pressure stage intakeport 9 that is communicated with outermost low pressure stage breathing space, and described low pressure stage intakeport 9 is connected with low pressure stage sucking pipe 25.During compressor operating, rotate, each swept volume of a single chamber of low pressure stage is constantly diminished from outside to inside, thereby realize that low pressure stage is air-breathing, the purpose of compression and exhaust along with low pressure stage main shaft 11 rotation drives low pressure stages rotation scroll 8.
Described high pressure stage compression assembly comprises high pressure stage main shaft 16, high pressure stage support 14, high pressure stage rotation scroll 17, high pressure stage fixed scroll 20, high pressure stage cross coupling ring 15, high pressure stage fuel supply line 23, high pressure stage sucking pipe 21, high pressure stage outlet pipe 18.Described high pressure stage main shaft 16 is crank shaft structure and along continuous straight runs setting, one end of described high pressure stage main shaft 16 passes high pressure stage support 14 and cooperates with rotor 13 by sleeve 24, the eccentric crank pin that has on the described high pressure stage main shaft 16 cooperates with the axle connecting groove in the outside, high pressure stage rotation scroll 17 chassis, boss on the high pressure stage cross coupling ring 15 with lay respectively at high pressure stage support and high pressure stage rotation scroll on become the groove fit of cross distribution to be connected high pressure stage support 14 and high pressure stage rotation scroll 17, high pressure stage rotation scroll 17 is by the center steering translation of high pressure stage main shaft 16 drives around high pressure stage fixed scroll 20.Described high pressure stage support 14 two lugs and casing 4 radially closely cooperates, and described high pressure stage support 14 is connected with high pressure stage fixed scroll 20 with screw 19 by sealing gasket.Described high pressure stage support 14 is provided with the high pressure stage oilhole 22 that is communicated with high pressure stage main shaft surface, described high pressure stage oilhole 22 is connected with high pressure stage fuel supply line 23 in the floodlubrication oil sump, described high pressure stage fixed scroll 20 top bottom-disc center positions are provided with the high pressure stage exhaust port, high pressure stage exhaust port and 18 welding of high pressure stage outlet pipe.High pressure stage fixed scroll 20 and of the phase difference engagement of high pressure stage rotation scroll 17 with 180 degree, side contacts in the chassis of the top of the scroll wrap of high pressure stage fixed scroll and high pressure stage rotation scroll, the chassis inner surface of high pressure stage fixed scroll contacts with the top end surface of the scroll wrap of high pressure stage rotation scroll, and on axis, form outermost high pressure stage breathing space, the high pressure stage exhaust space that innermost layer communicates with the high pressure stage exhaust port, middle high pressure stage compression volume is totally three pairs of working rooms, described high pressure stage fixed scroll 20 is provided with the high pressure stage intakeport that is communicated with outermost high pressure stage breathing space, and described high pressure stage intakeport is connected with high pressure stage sucking pipe 21.During compressor operating,, each swept volume of a single chamber of high pressure stage is constantly diminished from outside to inside, thereby realize that high pressure stage is air-breathing, the purpose of compression and exhaust along with high pressure stage main shaft 16 rotating band dynamic high-pressure levels rotations scroll 17 is rotated.Sleeve 24 makes high pressure stage main shaft 16 with low pressure stage main shaft 11 identical external diameter be arranged, can a shared rotor 13, and, improve electric efficiency simultaneously with rotor 13 rotations, save the space.
Described rotor 13 cooperates with motor stator 12, and motor stator 12 cooperates with casing 4.
For reducing the space of horizontal station usefulness, radially upward to offering, high pressure stage sucking pipe, low pressure stage sucking pipe and low pressure stage outlet pipe all upwards weld with casing the high pressure stage suction port on the high pressure stage fixed scroll.
Eccentric crank pin on the described high pressure stage main shaft becomes 180 degree to arrange that the unbalanced revolution inertial force of can cancelling out each other can be saved equilibrium block with eccentric crank pin on the low pressure stage main shaft, compressor operation is steady, and the metal consumptive material is few, and complete machine weight is little.
Described casing 4 is formed by connecting by left casing and right casing.
During assembling, the eccentric crank pin of low pressure stage main shaft 11 cooperates with low pressure stage rotation scroll 8, an other side of low pressure stage main shaft 11 is inserted the position that low pressure stage support 3 offers low pressure stage oilhole 1, adjust the inboard groove across of low pressure stage rotation scroll 8 chassis outside groove and low pressure stage support 3, and cooperate with the boss of cross coupling ring 2, after gasket seal is placed on the surface that low pressure stage support 3 cooperates with low pressure stage fixed scroll 5, cooperate by screw 7 with low pressure stage fixed scroll 5, with 9 welding of the low pressure stage intakeport on low pressure stage sucking pipe 25 and low pressure stage support 3 chassis, with low pressure stage oilhole 1 welding of low pressure stage fuel supply line 10 with low pressure stage support 3.Above-mentioned integral body is pressed in the casing 4, makes low pressure stage sucking pipe 25 pass respective apertures on the casing 4, radially two lugs and the casing 4 of low pressure stage support 3 closely cooperate.
With after motor stator 12 cooperates, rotor 13 is cooperated with low pressure stage main shaft 11 rotor 13.
The eccentric crank pin of high pressure stage main shaft 16 cooperates with high pressure stage rotation scroll 17, an other side of high pressure stage main shaft 16 is inserted the position that high pressure stage support 14 offers high pressure stage oilhole 22, adjust the inboard groove across of high pressure stage rotation scroll 17 chassis outside groove and high pressure stage support 14, and cooperate with the boss of cross coupling ring 15, after gasket seal is placed on the surface that high pressure stage support 14 cooperates with high pressure stage fixed scroll 20, cooperate by screw 19 with high pressure stage fixed scroll 20, with the high pressure stage intakeport welding of high pressure stage sucking pipe 21 with high pressure stage fixed scroll 20, high pressure stage exhaust port welding on high pressure stage outlet pipe 18 and the high pressure stage fixed scroll 20, with high pressure stage oilhole 22 welding of high pressure stage fuel supply line 23 with high pressure stage support 14, the external part of high pressure stage main shaft 16 cooperates with sleeve 24.The part that high pressure stage main shaft 16 is cooperated with sleeve 24 is whole inserts rotor 13, and radially two lugs and the casing 4 of high pressure stage support 14 are closely cooperated, and high pressure stage sucking pipe 21 passes the respective apertures on the casing 4.Left casing is aimed at right casing, and high pressure stage outlet pipe 18 passes the respective apertures on the casing 4, welds left casing and right casing, and high pressure stage outlet pipe 18, high pressure stage sucking pipe 21, low pressure stage sucking pipe 25 and low pressure stage outlet pipe 26 are welded with casing 4 respectively.
Oil hole from casing 4 injects the good lubricants capacity of calculating, with the connection box for motor location, takes in casing 4 external welding technologies, and the assembling of compressor complete machine finishes.Low pressure stage main shaft 11 and high pressure stage main shaft 16 be the while high speed rotating under the drive of rotor 13, high pressure stage fuel supply line 23 and the low pressure stage fuel supply line 10 on the low pressure stage support 3 on the high pressure stage support 14 stretch in the lubricating oil bath of casing 4 bottoms, in the compressor operation, gas after the low pressure stage compression of discharging from low pressure stage exhaust port 6 is full of the space in the casing 4, under the effect of gas high pressure, lubricant oil enters in low pressure stage oilhole 1 and the high pressure stage oilhole 22 by low pressure stage fuel supply line 10 and high pressure stage fuel supply line 23, lubricated low pressure stage main shaft 11 and low pressure stage support 3, and the relative running surface of high pressure stage main shaft 16 and high pressure stage support 14, the loss of reducing friction.
The gas refrigeration working medium of the low-temp low-pressure that is come by vaporizer enters low pressure stage fixed scroll 5 and low pressure stage by low pressure stage sucking pipe 25 and rotates outermost low pressure stage breathing space between the scroll 8, the gas refrigeration working medium of medium temperature after compression enters the space in the casing 4, motor between low pressure stage compression assembly and high pressure stage compression assembly is cooled after low pressure stage outlet pipe 26 is discharged compressor, after the interstage cooler that enters refrigeration system cools, enter outermost high pressure stage breathing space between high pressure stage fixed scroll 20 and the high pressure stage rotation scroll 17 from high pressure stage sucking pipe 21, high temperature and high pressure gas refrigeration working medium is after compression discharged compressors through high pressure stage outlet pipe 18.
The twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding of the present invention; utilize the low pressure stage compression assembly and the high pressure stage compression assembly that are provided with same axial direction in the same casing of compressor; the working procedure of compressor is divided into two compression stages; the pressure ratio that makes each grade is less than normal value; to reduce the power consumpiton of compressor; satisfy the demand of cryogenic refrigerating system; utilize the pressure of the low pressure stage exhaust in the casing to realize the pressure reduction fuel feeding; guarantee the ride quality of compressor; energy saving, the protection environment.
Although relate to a kind of twin-stage swirl type cold compressor of pressure reduction fuel feeding that utilizes and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (4)
1. a twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding is characterized in that, the low pressure stage compression assembly and the high pressure stage compression assembly that comprise casing, motor stator, rotor, be provided with along same axial direction; Low pressure stage compression assembly and high pressure stage compression assembly lay respectively at the two ends of casing, and described rotor and motor stator are between low pressure stage compression assembly and high pressure stage compression assembly;
Described low pressure stage compression assembly comprises low pressure stage main shaft, low pressure stage support, low pressure stage rotation scroll, low pressure stage fixed scroll, low pressure stage cross coupling ring, low pressure stage fuel supply line, low pressure stage sucking pipe, low pressure stage outlet pipe; Described low pressure stage main shaft is crank shaft structure and along continuous straight runs setting, one end of described low pressure stage main shaft passes the low pressure stage support and cooperates with rotor, the eccentric crank pin that has on the described low pressure stage main shaft cooperates with the axle connecting groove in the outside, low pressure stage rotation scroll chassis, boss on the low pressure stage cross coupling ring with lay respectively at low pressure stage support and low pressure stage rotation scroll on become the groove fit of cross distribution to be connected low pressure stage support and low pressure stage rotation scroll, low pressure stage rotation scroll is by the center steering translation of low pressure stage main shaft drive around the low pressure stage fixed scroll; Described low pressure stage support two lugs and casing radially closely cooperates, and described low pressure stage support is connected with the low pressure stage fixed scroll with screw by sealing gasket; The low pressure stage oilhole that described low pressure stage support is provided with and low pressure stage main shaft surface is communicated with, described low pressure stage oilhole is connected with low pressure stage fuel supply line in the floodlubrication oil sump; Described low pressure stage fixed scroll top bottom-disc center position is provided with the low pressure stage exhaust port, and the low pressure stage outlet pipe is installed on the described casing; Low pressure stage fixed scroll and low pressure stage rotation scroll are with the phase difference engagement of 180 degree, side contacts in the chassis of the top of the scroll wrap of low pressure stage fixed scroll and low pressure stage rotation scroll, the chassis inner surface of low pressure stage fixed scroll contacts with the top end surface of the scroll wrap of low pressure stage rotation scroll, and on axis, form outermost low pressure stage breathing space, the low pressure stage exhaust space that innermost layer communicates with the low pressure stage exhaust port, middle low pressure stage compression volume is totally three pairs of working rooms, described low pressure stage support is provided with the low pressure stage intakeport that is communicated with outermost low pressure stage breathing space, and described low pressure stage intakeport is connected with the low pressure stage sucking pipe;
Described high pressure stage compression assembly comprises high pressure stage main shaft, high pressure stage support, high pressure stage rotation scroll, high pressure stage fixed scroll, high pressure stage cross coupling ring, high pressure stage fuel supply line, high pressure stage sucking pipe, high pressure stage outlet pipe; Described high pressure stage main shaft is crank shaft structure and along continuous straight runs setting, one end of described high pressure stage main shaft passes the high pressure stage support and cooperates with described rotor by sleeve, the eccentric crank pin that has on the described high pressure stage main shaft cooperates with the axle connecting groove in the outside, high pressure stage rotation scroll chassis, boss on the high pressure stage cross coupling ring with lay respectively at high pressure stage support and high pressure stage rotation scroll on become the groove fit of cross distribution to be connected high pressure stage support and high pressure stage rotation scroll, high pressure stage rotation scroll is by the center steering translation of high pressure stage main shaft drive around the high pressure stage fixed scroll; Described high pressure stage support two lugs and casing radially closely cooperates, and described high pressure stage support is connected with the high pressure stage fixed scroll with screw by sealing gasket; Described high pressure stage support is provided with the high pressure stage oilhole that is communicated with high pressure stage main shaft surface; Described high pressure stage oilhole is connected with high pressure stage fuel supply line in the floodlubrication oil sump; Described high pressure stage fixed scroll top bottom-disc center position is provided with the high pressure stage exhaust port, high pressure stage exhaust port and the welding of high pressure stage outlet pipe; High pressure stage fixed scroll and high pressure stage rotation scroll are with the phase difference engagement of 180 degree, side contacts in the chassis of the top of the scroll wrap of high pressure stage fixed scroll and high pressure stage rotation scroll, the chassis inner surface of high pressure stage fixed scroll contacts with the top end surface of the scroll wrap of high pressure stage rotation scroll, and on axis, form outermost high pressure stage breathing space, the high pressure stage exhaust space that innermost layer communicates with the high pressure stage exhaust port, middle high pressure stage compression volume is totally three pairs of working rooms, described high pressure stage fixed scroll is provided with the high pressure stage intakeport that is communicated with outermost high pressure stage breathing space, and described high pressure stage intakeport is connected with the high pressure stage sucking pipe;
Described rotor cooperates with motor stator, and motor stator cooperates with casing.
2. the twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding according to claim 1 is characterized in that, the high pressure stage suction port on the described high pressure stage fixed scroll is radially upward to offering; High pressure stage sucking pipe, low pressure stage sucking pipe and low pressure stage outlet pipe all upwards weld with casing.
3. the twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding according to claim 1 is characterized in that, the eccentric crank pin on the described high pressure stage main shaft becomes 180 degree to arrange with eccentric crank pin on the low pressure stage main shaft.
4. the twin-stage swirl type cold compressor that utilizes the pressure reduction fuel feeding according to claim 1 is characterized in that described casing is formed by connecting by left casing and right casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110000905 CN102032183A (en) | 2011-01-05 | 2011-01-05 | Double-stage scroll refrigerating compressor supplied with oil by using pressure difference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110000905 CN102032183A (en) | 2011-01-05 | 2011-01-05 | Double-stage scroll refrigerating compressor supplied with oil by using pressure difference |
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| CN102032183A true CN102032183A (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110000905 Pending CN102032183A (en) | 2011-01-05 | 2011-01-05 | Double-stage scroll refrigerating compressor supplied with oil by using pressure difference |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242867A (en) * | 2011-07-07 | 2011-11-16 | 东北石油大学 | Crude oil forming device |
| CN110475972A (en) * | 2017-03-31 | 2019-11-19 | 阿耐思特岩田株式会社 | Scroll fluid machine |
| CN112879293A (en) * | 2021-01-28 | 2021-06-01 | 沈阳纪维应用技术有限公司 | Oil-free vortex type vacuum and compression integrated machine |
| CN112963345A (en) * | 2021-03-04 | 2021-06-15 | 柳州易舟汽车空调有限公司 | Vortex type electric air-conditioning compressor |
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| JPS6291686A (en) * | 1986-10-16 | 1987-04-27 | Mitsubishi Electric Corp | Scroll compressor |
| US20040105770A1 (en) * | 2002-11-29 | 2004-06-03 | Susumu Sakamoto | Scroll fluid machine |
| JP2006307699A (en) * | 2005-04-27 | 2006-11-09 | Daikin Ind Ltd | Compressor |
| CN201916195U (en) * | 2011-01-05 | 2011-08-03 | 天津商业大学 | Double-level scroll compressor with oil suction pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6291686A (en) * | 1986-10-16 | 1987-04-27 | Mitsubishi Electric Corp | Scroll compressor |
| US20040105770A1 (en) * | 2002-11-29 | 2004-06-03 | Susumu Sakamoto | Scroll fluid machine |
| JP2006307699A (en) * | 2005-04-27 | 2006-11-09 | Daikin Ind Ltd | Compressor |
| CN201916195U (en) * | 2011-01-05 | 2011-08-03 | 天津商业大学 | Double-level scroll compressor with oil suction pipe |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242867A (en) * | 2011-07-07 | 2011-11-16 | 东北石油大学 | Crude oil forming device |
| CN102242867B (en) * | 2011-07-07 | 2013-05-29 | 东北石油大学 | Crude oil forming device |
| CN110475972A (en) * | 2017-03-31 | 2019-11-19 | 阿耐思特岩田株式会社 | Scroll fluid machine |
| CN110475972B (en) * | 2017-03-31 | 2021-03-02 | 阿耐思特岩田株式会社 | Scroll fluid machine having a plurality of scroll members |
| CN112879293A (en) * | 2021-01-28 | 2021-06-01 | 沈阳纪维应用技术有限公司 | Oil-free vortex type vacuum and compression integrated machine |
| CN112879293B (en) * | 2021-01-28 | 2023-02-28 | 沈阳纪维应用技术有限公司 | Oil-free vortex type vacuum and compression integrated machine |
| CN112963345A (en) * | 2021-03-04 | 2021-06-15 | 柳州易舟汽车空调有限公司 | Vortex type electric air-conditioning compressor |
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Application publication date: 20110427 |