CN101196349A - Air circulation machine driven by floating bearing type high-speed electric machine - Google Patents
Air circulation machine driven by floating bearing type high-speed electric machine Download PDFInfo
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- CN101196349A CN101196349A CNA2006100952537A CN200610095253A CN101196349A CN 101196349 A CN101196349 A CN 101196349A CN A2006100952537 A CNA2006100952537 A CN A2006100952537A CN 200610095253 A CN200610095253 A CN 200610095253A CN 101196349 A CN101196349 A CN 101196349A
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- speed electric
- turbine
- expreess locomotive
- electric expreess
- floating bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/004—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being air
Abstract
The invention discloses a cycle machine driven by floating bearing high-speed electric machine (4), which belongs to the refrigeration air conditioner field. The invention is characterized in that: an assembly is composed of an air compressor (1) and a turbine (2) separately arranged at two ends of the high-speed electric machine, the three shear the same shaft. The high-speed electric machine applies a full-floating hydrostatic bearing (3); the turbine provides partial cold air in two routes to forcibly exchange heat for the machine to cool the electric machine with the power achieving 15kw/6 wan r/min. The working principle is that: when the high-speed electric machine rotating, the compressed air with certain energy output by the air compressor passes through an intercooler and reaches to the turbine for isoentropic expansion; some part of enthalpy reduction accelerates the gas expansion and outputs the refrigeration quantity; another part of enthalpy reduction converts into mechanical work and outputs, so as to drive the air compressor to rotate repeatedly with the coordination of high speed motor. The turbine adopts two-side line cutting and gas inlet to enhance the refrigeration efficiency. Therefore, with the advantages of small size, light weight and high cost performance, the invention can be applied for automobile air conditioner.
Description
Technical field
The invention discloses a kind of floating bearing type high-speed electric expreess locomotive driven air circulator, belong to field of Refrigeration and Air-conditioning.Assembly is made up of high-speed electric expreess locomotive, turbine, compressor, turbine, the compressor high-speed electric expreess locomotive two ends that are placed in, and the three is coaxial, and power of motor reaches 15k,w/6 ten thousand r/min.Operation principle is: during the high-speed electric expreess locomotive rotation, the compressed air that compressor output has certain energy arrives the adiabatic constant entropy expansion of turbine by charge air cooler, and a part of enthalpy drop expands gas and quickens, the output refrigerating capacity; Another part enthalpy drop then changes mechanical power output into, drives the compressor rotation jointly with high-speed electric expreess locomotive, goes round and begins again.Turbine adopts bilateral tangent line air inlet, has improved refrigerating efficiency.
Characteristics such as this device has the cost performance height, and volume is little, in light weight are applicable to the air conditioning for automobiles of employing air cycle refrigeration etc.
Background technology
Present middle automobile with small output volumn mostly adopts non-self-contained air-conditioning unit, is driven by engine power output shaft; For big discharge capacity automobile, then mostly adopt self-contained air-conditioning unit, drive by an other cover auxiliary power unit.Quovis modo, air conditioning for automobiles all adopts the vapor compression refrigeration technology both at home and abroad.This refrigeration modes is to be cost with consumption of engine power, also will satisfy the requirement of the working medium feature of environmental protection simultaneously.
Current, how a lot of in the world countries all utilize the energy of the used heat of automobile engine as refrigerating plant in research.The present invention-a kind of floating bearing type high-speed electric expreess locomotive driven air circulator is to develop on the basis of patent of invention " air circulation refrigeration system of internal combustion engine waste gas energy and high-speed electric expreess locomotive combination drive ", is applied to air conditioning for automobiles etc.
Summary of the invention
A kind of floating bearing type high-speed electric expreess locomotive (7) driven air circulator (ACM, Air Cycle Machine) is by the compressor among Fig. 1 (16), turbine (13) high-speed electric expreess locomotive (7) two ends that are placed in, the coaxial composition of three.High-speed electric expreess locomotive (7) adopts the full-floating type oil-lubricated bearing, and the cooling of motor (7) divides two-way to the body forced heat-exchanging by a part of cold air of turbine (13) output, and power reaches 15k,w/6 ten thousand r/min.Its operation principle is: among Fig. 2, when adopting high-speed electric expreess locomotive (7) rotation of Frequency Converter Control, the compressed air that compressor (16) output has certain energy arrives the adiabatic constant entropy expansion of turbine (13) by charge air cooler (17), and a part of enthalpy drop expands gas and quickens, the output refrigerating capacity; Another part enthalpy drop then directly can't harm the lost territory and changes mechanical power output under the coriolis force effect, drive compressor (16) rotation jointly with high-speed electric expreess locomotive (7), thereby under the same energy output of calming the anger, the power output of high-speed electric expreess locomotive (7) is significantly reduced, go round and begin again.Turbine (13) adopts bilateral tangent line air inlet, has improved refrigerating efficiency.
The specific embodiment
1 one kinds of floating bearing type high-speed electric expreess locomotives of accompanying drawing driven air circulator structure is always schemed
Accompanying drawing 2 high-speed electric expreess locomotive driven air circulator schematic diagrams
Accompanying drawing 3 bilateral tangent line air intaking turbine figure
System is designed to, and among Fig. 1, high-speed electric expreess locomotive (7) adopts the full-floating type oil-lubricated bearing, between the diameter of axle and the fixing bearing block (4) floating bearing (5) is arranged, its internal clearance is 0.03-0.05mm, and external series gap is 0.04-0.08mm, and length is 0.7-0.9 times of rotor axis of electric (15) diameter of axle.In high-speed electric expreess locomotive (7) rotary course, floating bearing (5) is also with certain rotational speed, and surfaces externally and internally all has oil film to produce, so can increase the lubricated amount that flows through greatly under the situation that does not increase gap between adjacently situated surfaces, reduces bearing temperature rise; Simultaneously, also correspondingly reduced and the diameter of axle and bearing block (4) between relative velocity, thereby reduce the fricting loss power of floating bearing (5).On the other hand, owing to gap total in the floating bearing (5) is bigger, when rotor dynamic balancing destroyed to some extent, its pivot did not overlap with geometric center, and floating bearing (5) can be adjusted automatically, and promptly itself is equivalent to an elastic bearing.
Thrust bearing (9) design is at less turbine (13) one ends of impeller diameter, to improve because of arranging that thrust bearing (9) back makes the amount of overhanging of cantilevered axle increase caused rigidity variation and high speed whirling vibration problem.
The sealing of left and right sides floating bearing (5) lubricating oil takes that each settles the sealing means of twice piston ring (3) and twice piston ring (6) respectively in the both sides of floating bearing (5).The outside of floating bearing (5) is integral seal cover (2), is mounted with twice piston ring (3) on it, and intermediate cavity is a release oil drain out; The inboard be mounted with twice near piston ring (6), guaranteed sealing effectiveness reliably.
The charge oil pressure of the bearing lubrication of assembly is 0.3-0.5MPa, and flow of lubrication is 0.4-0.6L/min, and import oil temperature is lower than 45 ℃.
The cooling of high-speed electric expreess locomotive (7) divides two-way to the body forced heat-exchanging by the some of the deep cooling gas (below 0 ℃) of turbine (13) output: the one tunnel feeds in the body, is discharged by the aperture on the casing (8) after the heat exchange; Another road through axial flow blower (14) to the heat transmission fin air blast cooling on the casing (8).
Among Fig. 3, turbine (13) adopts bilateral tangent line air inlet, spiral case (11) air inlet base is 5-10mm with respect to the height of turbine (12) wheel rim, compressed air enters turbine (13) from both sides, a part by the direct tangential impact turbine (12) of nozzle (10), has significantly improved turbine (12) rotating speed and efficient along turbine (12) tangential direction.
The turbine of assembly (12) inlet diameter is 70-100mm; Compressor (16) impeller (1) outlet diameter is 80-120mm, calculates concrete definite according to the overall heating power of refrigeration system.
The diameter of axle of high speed rotor of motor axle (15) is not less than 25mm.
Claims (9)
1. a floating bearing type high-speed electric expreess locomotive (7) driven air circulator (ACM, Air Cycle Machine) is by the compressor among Fig. 1 (16), turbine (13) high-speed electric expreess locomotive (7) two ends that are placed in, the coaxial composition of three.High-speed electric expreess locomotive (7) adopts the full-floating type oil-lubricated bearing, and the cooling of motor (7) divides two-way to the body forced heat-exchanging by a part of cold air of turbine (13) output, and power reaches 15k,w/6 ten thousand r/min.Its operation principle is: among Fig. 2, when adopting high-speed electric expreess locomotive (7) rotation of Frequency Converter Control, the compressed air that compressor (16) output has certain energy arrives the adiabatic constant entropy expansion of turbine (13) by charge air cooler (17), and a part of enthalpy drop expands gas and quickens, the output refrigerating capacity; Another part enthalpy drop then directly can't harm the lost territory and changes mechanical power output under the coriolis force effect, drive compressor (16) rotation jointly with high-speed electric expreess locomotive (7), thereby under the same energy output of calming the anger, the power output of high-speed electric expreess locomotive (7) is significantly reduced, go round and begin again.Turbine (13) adopts bilateral tangent line air inlet, has improved refrigerating efficiency.
2. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM), it is characterized in that, among Fig. 1, high-speed electric expreess locomotive (7) adopts the full-floating type oil-lubricated bearing, between the diameter of axle and the fixing bearing block (4) floating bearing (5) is arranged, its internal clearance is 0.03-0.05mm, and external series gap is 0.04-0.08mm, and length is 0.7-0.9 times of rotor axis of electric (15) diameter of axle.In high-speed electric expreess locomotive (7) rotary course, floating bearing (5) is also with certain rotational speed, and surfaces externally and internally all has oil film to produce, so can increase the lubricated amount that flows through greatly under the situation that does not increase gap between adjacently situated surfaces, reduces bearing temperature rise; Simultaneously, also correspondingly reduced and the diameter of axle and bearing block (4) between relative velocity, thereby reduce the fricting loss power of floating bearing (5).On the other hand, owing to gap total in the floating bearing (5) is bigger, when rotor dynamic balancing destroyed to some extent, its pivot did not overlap with geometric center, and floating bearing (5) can be adjusted automatically, and promptly itself is equivalent to an elastic bearing.
3. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM), it is characterized in that, thrust bearing (9) design is at less turbine (13) one ends of impeller diameter, to improve because of arranging that thrust bearing (9) back makes the amount of overhanging of cantilevered axle increase caused rigidity variation and high speed whirling vibration problem.
4. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM), it is characterized in that, the sealing of left and right sides floating bearing (5) lubricating oil takes that each settles the sealing means of twice piston ring (3) and twice piston ring (6) respectively in the both sides of floating bearing (5).The outside of floating bearing (5) is integral seal cover (2), is mounted with twice piston ring (3) on it, and intermediate cavity is a release oil drain out; The inboard be mounted with twice near piston ring (6), guaranteed sealing effectiveness reliably.
5. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM) is characterized in that, the charge oil pressure of bearing lubrication is 0.3-0.5MPa, and flow of lubrication is 0.4-0.6L/min, and import oil temperature is lower than 45 ℃.
6. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM), it is characterized in that, the cooling of high-speed electric expreess locomotive (7) divides two-way to the body forced heat-exchanging by the some of the deep cooling gas (below 0 ℃) of turbine (13) output: the one tunnel feeds in the body, is discharged by the aperture on the casing (8) after the heat exchange; Another road through axial flow blower (14) to the heat transmission fin air blast cooling on the casing (8).
7. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM), it is characterized in that, among Fig. 3, turbine (13) adopts bilateral tangent line air inlet, spiral case (11) air inlet base is 5-10mm with respect to the height of turbine (12) wheel rim, compressed air enters turbine (13) from both sides, a part by the direct tangential impact turbine (12) of nozzle (10), has significantly improved turbine (12) rotating speed and efficient along turbine (12) tangential direction.
8. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM) is characterized in that, turbine (12) inlet diameter is 70-100mm; Compressor (16) impeller (1) outlet diameter is 80-120mm.
9. floating bearing type high-speed electric expreess locomotive according to claim 1 (7) driven air circulator (ACM) is characterized in that, the diameter of axle of high speed rotor of motor axle (15) is not less than 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100952537A CN101196349A (en) | 2006-12-06 | 2006-12-06 | Air circulation machine driven by floating bearing type high-speed electric machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100952537A CN101196349A (en) | 2006-12-06 | 2006-12-06 | Air circulation machine driven by floating bearing type high-speed electric machine |
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| CN101196349A true CN101196349A (en) | 2008-06-11 |
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| CNA2006100952537A Pending CN101196349A (en) | 2006-12-06 | 2006-12-06 | Air circulation machine driven by floating bearing type high-speed electric machine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146954A (en) * | 2010-02-08 | 2011-08-10 | 哈米尔顿森德斯特兰德公司 | Air cycle machine air bearing shaft |
| CN102163887A (en) * | 2010-02-22 | 2011-08-24 | 何君 | Static pressure lifting and rolling ring bearing hybrid support for high-speed motor, and rotary machine |
| CN102200165A (en) * | 2010-03-22 | 2011-09-28 | 哈米尔顿森德斯特兰德公司 | Journal bearing with dual pass cooling for air machine |
| CN102734205A (en) * | 2011-04-04 | 2012-10-17 | 哈米尔顿森德斯特兰德公司 | Journal air bearing for small shaft diameters |
| CN103673371A (en) * | 2013-12-13 | 2014-03-26 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Four-wheel-coaxial two-level expansion turbine cooler |
| CN105485044A (en) * | 2014-10-01 | 2016-04-13 | 哈米尔顿森德斯特兰德公司 | Air cycle machine strut plate assembly |
| CN106533100A (en) * | 2016-12-16 | 2017-03-22 | 卧龙电气集团股份有限公司 | High-speed three-phase asynchronous motor used for gas transmission line compressor unit |
| CN109983233A (en) * | 2016-11-10 | 2019-07-05 | 车身技术公司 | Turbocharger with the axis for including free portion |
| CN110094236A (en) * | 2019-04-16 | 2019-08-06 | 西安航天动力研究所 | A kind of helium turbine shaft architecture |
| CN112713714A (en) * | 2020-12-18 | 2021-04-27 | 中车永济电机有限公司 | Water-cooling explosion-proof motor with improved structure |
| CN117076830A (en) * | 2023-10-13 | 2023-11-17 | 中国空气动力研究与发展中心计算空气动力研究所 | Method and device for determining power of nitrogen axial flow compressor, electronic equipment and medium |
-
2006
- 2006-12-06 CN CNA2006100952537A patent/CN101196349A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146954A (en) * | 2010-02-08 | 2011-08-10 | 哈米尔顿森德斯特兰德公司 | Air cycle machine air bearing shaft |
| CN102163887A (en) * | 2010-02-22 | 2011-08-24 | 何君 | Static pressure lifting and rolling ring bearing hybrid support for high-speed motor, and rotary machine |
| CN102163887B (en) * | 2010-02-22 | 2013-04-10 | 何君 | Static pressure lifting and rolling ring bearing hybrid support for high-speed motor, and rotary machine |
| CN102200165A (en) * | 2010-03-22 | 2011-09-28 | 哈米尔顿森德斯特兰德公司 | Journal bearing with dual pass cooling for air machine |
| CN102734205B (en) * | 2011-04-04 | 2015-07-22 | 哈米尔顿森德斯特兰德公司 | Journal air bearing for small shaft diameters |
| CN102734205A (en) * | 2011-04-04 | 2012-10-17 | 哈米尔顿森德斯特兰德公司 | Journal air bearing for small shaft diameters |
| CN103673371B (en) * | 2013-12-13 | 2016-07-06 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of cooling turbine unit of the coaxial double expansion of four-wheel |
| CN103673371A (en) * | 2013-12-13 | 2014-03-26 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Four-wheel-coaxial two-level expansion turbine cooler |
| CN105485044A (en) * | 2014-10-01 | 2016-04-13 | 哈米尔顿森德斯特兰德公司 | Air cycle machine strut plate assembly |
| CN105485044B (en) * | 2014-10-01 | 2019-05-03 | 哈米尔顿森德斯特兰德公司 | Air cycle machine strut plate component |
| CN109983233A (en) * | 2016-11-10 | 2019-07-05 | 车身技术公司 | Turbocharger with the axis for including free portion |
| CN106533100A (en) * | 2016-12-16 | 2017-03-22 | 卧龙电气集团股份有限公司 | High-speed three-phase asynchronous motor used for gas transmission line compressor unit |
| CN110094236A (en) * | 2019-04-16 | 2019-08-06 | 西安航天动力研究所 | A kind of helium turbine shaft architecture |
| CN110094236B (en) * | 2019-04-16 | 2021-12-24 | 西安航天动力研究所 | Helium turbine shafting structure |
| CN112713714A (en) * | 2020-12-18 | 2021-04-27 | 中车永济电机有限公司 | Water-cooling explosion-proof motor with improved structure |
| CN112713714B (en) * | 2020-12-18 | 2022-11-08 | 中车永济电机有限公司 | Water-cooling explosion-proof motor with improved structure |
| CN117076830A (en) * | 2023-10-13 | 2023-11-17 | 中国空气动力研究与发展中心计算空气动力研究所 | Method and device for determining power of nitrogen axial flow compressor, electronic equipment and medium |
| CN117076830B (en) * | 2023-10-13 | 2024-03-12 | 中国空气动力研究与发展中心计算空气动力研究所 | Method and device for determining power of nitrogen axial flow compressor, electronic equipment and medium |
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Open date: 20080611 |