CN102118099A - Superconducting motor with torque tubes - Google Patents
Superconducting motor with torque tubes Download PDFInfo
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- CN102118099A CN102118099A CN 201110036897 CN201110036897A CN102118099A CN 102118099 A CN102118099 A CN 102118099A CN 201110036897 CN201110036897 CN 201110036897 CN 201110036897 A CN201110036897 A CN 201110036897A CN 102118099 A CN102118099 A CN 102118099A
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- moment pipe
- outer shroud
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Abstract
The invention relates to a superconducting motor with torque tubes, belonging to the technical field of low-temperature transmission and motors. The superconducting motor comprises a rotary shaft, two torque tubes, a stator and a motor shell, wherein the two torque tubes are fixed at the two ends of the rotary shaft respectively; each torque tube is of a flat annular shape and comprises an outer ring, an inner ring and a support member for connecting the outer ring and the inner ring; the outer ring is fixedly connected with the end surface of a superconducting magnet system at low temperature; the inner ring is fixedly connected with the rotary shaft at normal temperature; the support member is a support rib or support plate; and for the materials forming each torque tube, at least the support member is made from a thermal insulation material. The invention has the advantages that: because each torque tube has the characteristics of high strength, low heat leakage and the like, the demands of the superconducting motor can be met better; and moreover, each torque tube does not occupy the axial length of the rotor, and the motor structure is more compact than that of the torque tube of the prior art, so that the entire motor has smaller volume and lighter weight.
Description
Technical field
The present invention relates to a kind of superconducting motor, belong to low temperature transmission and technical field of motors with moment pipe.
Background technology
The superconducting state that superconducting motor needs superconducting magnet to be in profound hypothermia is all the time moved, normally superconducting magnet is placed the environment of adiabatic vacuum, therefore, must use high strength, the so-called moment pipe of heat transfer property difference connects rotor that is under the low-temperature condition and the axle head that is under the normal temperature state, thereby realizes effect adiabatic, that carry rotor weight and carry-over moment.Therefore, the moment pipe is a vitals of superconducting motor, and it affects size, volume, leakage thermal effect and the refrigeration work consumption of motor, simultaneously the superconducting motor reliability of operation is also played an important role.Multiple moment pipe is arranged in the prior art, and mostly be axial arrangement moment pipe.Moment pipe and superconducting magnet section axial polyphone.The major length of rotor adds two moment length of tube for the superconducting magnet partial-length.Be inversely proportional to owing to leak heat and bang path, for reducing to leak heat, need to increase the length of moment pipe, the length of the rotor that is bound to is longer, thereby increases the volume and weight of motor.
Summary of the invention
The objective of the invention is to, overcome the shortcoming of prior art, a kind of superconducting motor with moment pipe is provided, moment pipe wherein has high strength, low characteristics of leaking heat and compact conformation, can satisfy the superconducting motor demand better, make whole motor volume littler simultaneously, weight is lighter.
Technical scheme of the present invention is: a kind of superconducting motor with moment pipe, and it comprises rotating shaft, moment pipe, stator and motor housing; Described moment pipe has two, is separately fixed at the two ends of rotating shaft, is positioned at the vacuum dewar container; The moment pipe is a flat, annular, comprises that outer shroud is with interior ring and be connected outer shroud and the strutting piece of interior ring; Described outer shroud is fixedlyed connected with the end face of the superconducting magnet system that is in low temperature; Interior ring is fixedlyed connected with the rotating shaft that is in normal temperature; Described strutting piece is brace rod or supporting bracket; The material of composition moment pipe strutting piece at least is a heat-barrier material.
Further technical scheme is on the basis of technique scheme:
Described superconducting motor with moment pipe, the outer shroud of its moment pipe are to fixedly connected with the end face of superconducting magnet system by connecting key or interference fit; Interior ring is to fixedly connected with the rotating shaft that is in normal temperature by connecting key or interference fit.
Described superconducting motor with moment pipe, its moment pipe are outer shroud and strutting piece and the interior integrated member that encircles or machine-shaping molded and shaped with the identical heat-barrier material Integratively of strutting piece.
Described superconducting motor, its moment pipe combined member that to be outer shroud be connected by fixture with strutting piece respectively with interior ring with moment pipe; Described fixture is a pin, or screw, or key.
Described superconducting motor with moment pipe, its outer ring material of moment pipe is a metal material, or heat-barrier material, strutting piece and interior ring material are heat-barrier materials.
Described superconducting motor with moment pipe, its outer shroud of moment pipe and interior ring material are metal material, and the strutting piece material is a heat-barrier material.
Described superconducting motor with moment pipe, its heat-barrier material is glass fibre fiberglass or carbon fiber fiberglass, or epoxy plate, or rigid plastics, or being used to work out the low temperature glue that is used to flood after the fiber material of moulding and the moulding, this low temperature glue is selected from the epoxy glue or the epoxy resin of DW3, JSF-6, ABS resin class.
Described superconducting motor with moment pipe, the cylindrical of its outer shroud is identical with rotating shaft core, promptly coaxial with the interior circle and the superconducting magnet system of interior ring.
Described superconducting motor with moment pipe on the end face of its superconducting magnet system, or is useful on the seam of outer shroud and superconducting magnet system location on the cylindrical end face of outer shroud.
Principle of the present invention and effect are: have the superconducting motor of moment pipe, its moment pipe outer shroud partly links to each other with the superconducting magnet that is in low temperature, and ring links to each other with the rotating shaft that is in normal temperature in the moment pipe.By the moment pipe with the moment of torsion that produces on the superconducting magnet to the rotating shaft transmission; Moment pipe strutting piece one end connects low temperature, and an end connects normal temperature, be in the magnet low temperature under with the rotating shaft that is under the normal temperature between temperature gradient distribution mainly on strutting piece, owing to the heat conduction of this part is very poor, can effectively reduce Lou hot.The present invention can satisfy the demand of superconducting motor better owing to have high strength, the low moment pipe that leaks characteristics such as heat.The moment pipe does not take rotor axial length, and the structure of motor is more compacter than the moment pipe that adopts prior art, makes whole motor volume littler, and weight is lighter.
Description of drawings
Fig. 1 has the superconducting motor schematic diagram of moment pipe for the present invention;
Fig. 2 is a moment tubular construction schematic diagram;
Fig. 3 is the A-A cut-away view of Fig. 2;
Fig. 4 is a prior art, is the superconducting motor schematic diagram that the usual forces quarter bend is installed.
The pairing name of each mark is called among the figure: the 1-rotating shaft; 2-moment pipe; 2.1-outer shroud; 2.2-strutting piece; 2.3-interior ring; 3-vacuum dewar container; The 4-superconducting magnet system; The 5-stator; The 6-motor housing.
Embodiment
It is as follows that the invention will be further described in conjunction with the accompanying drawings and embodiments:
Embodiment 1:As shown in Figure 1, 2, 3, for the present invention has the superconducting motor of moment pipe, it has a rotating shaft 1, moment pipe 2, stator 5 and motor housing 6; Described moment pipe 2 has two, is separately fixed at the two ends of rotating shaft 1, is positioned at vacuum dewar container 3; Moment pipe 2 is a flat, annular, comprises that outer shroud 2.1 is with interior ring 2.3 and be connected outer shroud 2.1 and the strutting piece 2.2 of interior ring 2.3; Described outer shroud 2.1 is fixedlyed connected with the end face of the superconducting magnet system 4 that is in low temperature; In ring 2.3 fixedly connected with the rotating shaft 1 that is in normal temperature; Described strutting piece 2.2 is a brace rod, or elects supporting bracket as; The material of composition moment pipe 2 strutting piece 2.2 at least is a heat-barrier material.The outer shroud 2.1 of moment pipe 2 is by connecting key, also can select for use interference fit to fixedly connected with the end face of superconducting magnet system 4; Interior ring 2.3 is to pass through connecting key, also can to select interference fit and the rotating shaft 1 fixedly connected present embodiment moment pipe 2 that is in normal temperature for use are outer shrouds 2.1 with strutting piece 2.2 and in ring 2.3 molded and shaped with the identical heat-barrier material Integratively of strutting piece 2.2, the also integrated member of available machine-shaping.The heat-barrier material that is adopted is for to ftracture under 20K, embrittlement not, and the intensity height, the glass fibre fiberglass that heat-proof quality is good is perhaps selected carbon fiber fiberglass for use.The cylindrical of outer shroud 2.1 is identical with rotating shaft 1 axle center, promptly coaxial with the interior circle and the superconducting magnet system 4 of interior ring 2.3.On the end face of superconducting magnet system 4, also can be the seam that is useful on outer shroud 2.1 and superconducting magnet system 4 location on the cylindrical end face of outer shroud 2.1.
Embodiment 2:Different with the foregoing description is: the heat-barrier material that the moment pipe 2 of integrated member is adopted is for to ftracture under 20K, embrittlement not, intensity height, the epoxy plate that heat-proof quality is good, or rigid plastics.
Embodiment 3:Different with the foregoing description is: the heat-barrier material that the moment pipe 2 of integrated member is adopted is not for to ftracture under 20K, embrittlement not, the intensity height, heat-proof quality is good is used to work out the low temperature glue that is used to flood after the fiber material of moulding and the moulding, and this low temperature glue is selected from the epoxy glue or the epoxy resin of DW3, JSF-6, ABS resin class.
Embodiment 4:Different with the foregoing description 1 is: moment pipe 2 combined member that to be outer shrouds 2.1 be connected by fixture with strutting piece 2.2 respectively with interior ring 2.3; Described fixture is a pin, also can select screw for use, promptly, dowel fixes is upwards beaten in ring 2.3 footpaths in outer shroud 2.1 reaches, or simultaneously by beating dowel fixes after the low temperature glue bond more diametrically, low temperature glue is selected from the DW3 epoxy glue herein, also can select the epoxy glue or the epoxy resin of JSF-6, ABS resin class for use.Present embodiment moment pipe 2 its outer shroud 2.1 materials are metal material, also can select heat-barrier material for use, and strutting piece 2.2 and interior ring 2.3 materials are heat-barrier materials.Metal material is the 0Cr18Ni9 stainless steel, also can select the Cr18Ni9Ti stainless steel for use, also can select LF6 or LF5 aluminium alloy for use; The material of strutting piece 2.2 and interior ring 2.3 is not ftracture under 20K, embrittlement not, intensity height, the glass fiber reinforced plastics composite material that heat-proof quality is good, be selected from glass fibre or carbon fiber fiberglass, do not ftracture under the also optional 20K of being used in, not embrittlement, the intensity height, the epoxy plate that heat-proof quality is good, or rigid plastics.
Embodiment 5:Different with the foregoing description 4 is: moment pipe 2 its outer shrouds 2.1 and interior ring 2.3 materials are metal material, and strutting piece 2.2 materials are heat-barrier material.Metal material is an aluminium alloy, is selected from LF6 or LF5 aluminium alloy, also can select the 0Cr18Ni9 stainless steel for use, or selects the Cr18Ni9Ti stainless steel for use.
Embodiment 6:Different with the foregoing description 4 is: this example outer shroud 2.1 adopts keyways to be connected with superconducting magnet system 4; Adopt the hot jacket interference fit between interior ring 2.3 and the rotating shaft 1.
Embodiment 7:Different with the foregoing description 4 is: outer shroud 2.1 and interior ring 2.3 respectively with strutting piece 2.2 between to be connected be to adopt keyway to cooperate, promptly earlier process respective grooves at outer shroud 2.1 and interior ring 2.3, then strutting piece 2.2 is embedded, before embedding, can be coated with last layer low temperature glue on the mating surface.
Protection range of the present invention is not limited to the foregoing description.
Claims (9)
1. superconducting motor with moment pipe, it comprises rotating shaft (1), moment pipe (2), stator (5) and motor housing (6); It is characterized in that described moment pipe (2) has two, is separately fixed at the two ends of rotating shaft (1), be positioned at vacuum dewar container (3); Moment pipe (2) is a flat, annular, comprises that outer shroud (2.1) is with interior ring (2.3) and be connected outer shroud (2.1) and the strutting piece (2.2) of interior ring (2.3); Described outer shroud (2.1) is fixedlyed connected with the end face of the superconducting magnet system that is in low temperature (4); Interior ring (2.3) is fixedlyed connected with the rotating shaft that is in normal temperature (1); Described strutting piece (2.2) is brace rod or supporting bracket; The material of composition moment pipe (2) strutting piece (2.2) at least is a heat-barrier material.
2. by the described superconducting motor of claim 1, it is characterized in that the outer shroud (2.1) of moment pipe (2) is to fixedly connected with the end face of superconducting magnet system (4) by connecting key or interference fit with moment pipe; Interior ring (2.3) is to fixedly connected with the rotating shaft that is in normal temperature (1) by connecting key or interference fit.
3. by the described superconducting motor of claim 1 with moment pipe, it is characterized in that, moment pipe (2) be outer shroud (2.1) with strutting piece (2.2) and in the integrated member of ring (2.3) or machine-shaping molded and shaped with the identical heat-barrier material Integratively of strutting piece (2.2).
4. by the described superconducting motor of claim l, it is characterized in that moment pipe (2) combined member that to be outer shroud (2.1) be connected by fixture with strutting piece (2.2) respectively with interior ring (2.3) with moment pipe; Described fixture is a pin, or screw, or key.
5. by the described superconducting motor with moment pipe of claim 4, it is characterized in that its outer shroud of described moment pipe (2) (2.1) material is a metal material, or heat-barrier material, strutting piece (2.2) and interior ring (2.3) material are heat-barrier materials.
6. by the described superconducting motor with moment pipe of claim 4, it is characterized in that its outer shroud of described moment pipe (2) (2.1) and interior ring (2.3) material are metal material, strutting piece (2.2) material is a heat-barrier material.
7. by the described superconducting motor of above-mentioned any one claim with moment pipe, it is characterized in that, described heat-barrier material is glass fibre fiberglass or carbon fiber fiberglass, or epoxy plate, or rigid plastics, or being used to work out the low temperature glue that is used to flood after the fiber material of moulding and the moulding, this low temperature glue is selected from the epoxy glue or the epoxy resin of DW3, JSF-6, ABS resin class.
8. by the described superconducting motor of claim l, it is characterized in that the cylindrical of outer shroud (2.1) is identical with rotating shaft (1) axle center, promptly coaxial with the interior circle and the superconducting magnet system (4) of interior ring (2.3) with moment pipe.
9. by the described superconducting motor of claim 1, it is characterized in that, on the end face of superconducting magnet system (4), or be useful on the seam of outer shroud (2.1) and superconducting magnet system (4) location on the cylindrical end face of outer shroud (2.1) with moment pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110036897XA CN102118099B (en) | 2011-02-12 | 2011-02-12 | Superconducting motor with torque tubes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110036897XA CN102118099B (en) | 2011-02-12 | 2011-02-12 | Superconducting motor with torque tubes |
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| CN102118099A true CN102118099A (en) | 2011-07-06 |
| CN102118099B CN102118099B (en) | 2012-11-14 |
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| CN201110036897XA Active CN102118099B (en) | 2011-02-12 | 2011-02-12 | Superconducting motor with torque tubes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840708A (en) * | 2012-09-29 | 2012-12-26 | 中国东方电气集团有限公司 | Conduction cooling-based refrigerating system for superconducting motor |
| CN103312124A (en) * | 2013-06-25 | 2013-09-18 | 北京交通大学 | High-temperature superconducting synchronous motor of array-type rotor magnetic pole structure |
| CN103825427A (en) * | 2014-03-13 | 2014-05-28 | 华中科技大学 | Torque conducting structure for superconducting motor |
| CN104660012A (en) * | 2015-03-03 | 2015-05-27 | 华中科技大学 | Torque conducting structure of superconducting motor |
| CN106712394A (en) * | 2017-01-17 | 2017-05-24 | 中国科学院合肥物质科学研究院 | Method applying wireless electric power transmission and magnetic force transmission on superconductive motor |
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| JPS61196762A (en) * | 1985-02-25 | 1986-08-30 | Fuji Electric Co Ltd | Rotor of superconductive rotary machine |
| CN1916477A (en) * | 2006-09-12 | 2007-02-21 | 武汉理工大学 | Hypothermal moment tube made from composite material, and prepartion method |
| CN201252468Y (en) * | 2008-09-19 | 2009-06-03 | 湘潭电机股份有限公司 | Superconducting motor |
| CN101517868A (en) * | 2006-09-20 | 2009-08-26 | 美国超导体公司 | Torque transmission assembly for superconducting rotating machines |
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2011
- 2011-02-12 CN CN201110036897XA patent/CN102118099B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61196762A (en) * | 1985-02-25 | 1986-08-30 | Fuji Electric Co Ltd | Rotor of superconductive rotary machine |
| CN1916477A (en) * | 2006-09-12 | 2007-02-21 | 武汉理工大学 | Hypothermal moment tube made from composite material, and prepartion method |
| CN101517868A (en) * | 2006-09-20 | 2009-08-26 | 美国超导体公司 | Torque transmission assembly for superconducting rotating machines |
| CN201252468Y (en) * | 2008-09-19 | 2009-06-03 | 湘潭电机股份有限公司 | Superconducting motor |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840708A (en) * | 2012-09-29 | 2012-12-26 | 中国东方电气集团有限公司 | Conduction cooling-based refrigerating system for superconducting motor |
| CN102840708B (en) * | 2012-09-29 | 2016-04-06 | 中国东方电气集团有限公司 | A kind of refrigeration system of the superconducting motor based on Conduction cooled |
| CN103312124A (en) * | 2013-06-25 | 2013-09-18 | 北京交通大学 | High-temperature superconducting synchronous motor of array-type rotor magnetic pole structure |
| CN103312124B (en) * | 2013-06-25 | 2016-05-04 | 北京交通大学 | A kind of HTS Synchronous Motor of array rotor magnetic pole structure |
| CN103825427A (en) * | 2014-03-13 | 2014-05-28 | 华中科技大学 | Torque conducting structure for superconducting motor |
| CN104660012A (en) * | 2015-03-03 | 2015-05-27 | 华中科技大学 | Torque conducting structure of superconducting motor |
| CN104660012B (en) * | 2015-03-03 | 2017-05-10 | 华中科技大学 | Torque conducting structure of superconducting motor |
| CN106712394A (en) * | 2017-01-17 | 2017-05-24 | 中国科学院合肥物质科学研究院 | Method applying wireless electric power transmission and magnetic force transmission on superconductive motor |
| CN106712394B (en) * | 2017-01-17 | 2019-04-05 | 中国科学院合肥物质科学研究院 | A method of wireless power transmission and magnetic drives are applied to superconducting motor |
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| CN102118099B (en) | 2012-11-14 |
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