CN104883032A - Rotating heat cylinder structure suitable for superconducting motor rotor coil cooling, and usage method of rotating heat cylinder structure - Google Patents
Rotating heat cylinder structure suitable for superconducting motor rotor coil cooling, and usage method of rotating heat cylinder structure Download PDFInfo
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- CN104883032A CN104883032A CN201510198733.5A CN201510198733A CN104883032A CN 104883032 A CN104883032 A CN 104883032A CN 201510198733 A CN201510198733 A CN 201510198733A CN 104883032 A CN104883032 A CN 104883032A
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Abstract
The present invention provides a rotating heat cylinder structure suitable for superconducting motor rotor coil cooling, and a usage method of the rotating heat cylinder structure. The rotating heat cylinder structure suitable for the superconducting motor rotor coil cooling comprises an internal cylinder, an external cylinder and a spoke type impeller structure, the internal cylinder depends on the spoke type impeller structure to support and suspend in the external cylinder to be jointed as one, separation distances all exist between the periphery of the internal cylinder and the external cylinder, and a space formed by the separation distance between the side wall of the internal cylinder and the side wall of the external cylinder is divided by the spoke type impeller structure into a unit tubular space which is distributed along a circumferential direction evenly. According to the present invention, by changing the structure of a conventional centralized rotating heat pipe, the contact area of a refrigeration medium and an inner wall of the heat cylinder is increased, and the wall thickness can be reduced, thereby increasing the heat obtained by the heat conduction of a rotor coil, improving the heat exchange efficiency of a rotor, applying to a cold and hot exchange system of a superconducting motor rotor, and facilitating improving the quality of a superconducting motor.
Description
Technical field
The present invention relates to superconductor applications equipment, the one being specifically related to be applicable to the rotor coil cooling in the hot barrel structure of rotation of superconducting motor rotor coil cooling and using method, particularly superconducting motor device rotates hot barrel structure.
Background technology
At present, home and abroad environment and energy development, the research and development of superconducting motor is more and more paid attention to, and rotor cooling system makes guarantee coil be in superconducting state, is one of key technology of whole motor.
There is the various different design of rotor superconducting coil cooling circuit and the selection of refrigerant both at home and abroad, mainly contained: rotating heat pipe phase-change heat-exchange, cold helium convection current method, infusion method etc.; Most of method complex structure in existing structure, cost making requires high, by contrast, centralized rotating heat pipe phase-change heat-exchange method opposed configuration is simple, can realize self-loopa and regulate, make and operating cost low, but cooling effect compares other method, there is medium and be sunken to pipeline bottom all the time, especially heat transfer distances and thermal relaxation time longer etc. factor during rotor large scale, cooling effect is not ideal.Affect the further genralrlization application of this method in superconducting motor application.
Summary of the invention
For defect of the prior art, the hot barrel structure of novel centralized rotation that the object of the present invention is to provide a kind of rotor coil to cool, rotates the less-than-ideal problem of hot cylinder technology cooling effect to solve existing this type of.
According to a kind of hot barrel structure of rotation being applicable to the cooling of superconducting motor rotor coil provided by the invention, comprising: inner core, urceolus, radial blade wheel structure;
Inner core relies on radial blade wheel structure support suspension in outer barrel, and inner core, urceolus are connected as one by radial blade wheel structure, and inner core and urceolus concentric are arranged;
All spacing is there is between inner core surrounding and urceolus, the space that spacing between described inner core sidewall and outer tube side wall is formed is separated into circumferentially uniform unit tubular space by radial blade wheel structure, unit tubular space extends vertically, and the two ends mouth of pipe of unit tubular space lays respectively in the space that the spacing between the two ends of inner core and urceolus respective ends formed;
The space of the space between inner core surrounding and urceolus and inner core inside forms the passing away of the medium after vaporizing.
Preferably, the coolant ingress pipe coaxially arranged with inner core and coolant delivery line is also comprised;
Coolant ingress pipe is arranged in coolant delivery line;
The outer wall of coolant delivery line and the installing hole of urceolus one end are tightly connected.
Preferably, coolant ingress pipe extends to the middle part of inner core vertically; Compare coolant delivery line, the length that coolant ingress pipe extends into inner core is larger.
According to a kind of above-mentioned using method being applicable to the hot barrel structure of rotation of superconducting motor rotor coil cooling provided by the invention, comprise the steps:
Step 1: when rotating hot barrel structure and being static, coolant is imported inner core inside, makes coolant be deposited on lower space position in urceolus by the spacing between inner core two ends and urceolus respective ends;
Step 2: order rotates hot barrel structure and rotates, and makes coolant force flowing under centrifugal force and the acting in conjunction of radial blade wheel structure, and by the passage that the space between inner core and urceolus and inner core inner space are formed, the coolant after vaporization is discharged.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention is mainly used in the cold-heat exchange system of the superconducting motor rotor containing above-mentioned hot barrel structure, can keep the stability in rotor coil superconducting tape temperature field in superconducting motor normal course of operation, is conducive to the quality improving superconducting motor.
2, the present invention is by changing the structure of traditional centralized rotating heat pipe, the contact area of refrigerant and hot cylinder inwall is become greatly, and wall thickness can reduce, thus increases the heat of rotor coil heat transfer acquisition, improves the heat exchange efficiency of rotor.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is structural representation of the present invention;
Fig. 2-Fig. 5 is the structural representation of the optional multiple radial blade wheel structure of the present invention;
Fig. 6 be the hot drum outer wall Thickness Ratio of the present invention compared with structural representation, wherein, (a), with radial blade wheel structure, (b) is without radial blade wheel structure.
In figure:
1-urceolus
2-inner core
3-radial blade wheel structure
4-coolant ingress pipe
5-coolant delivery line
6-impeller
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some changes and improvements can also be made.These all belong to protection scope of the present invention.
According to a kind of hot barrel structure of rotation being applicable to the cooling of superconducting motor rotor coil provided by the invention, comprising: inner core, urceolus, radial blade wheel structure, also comprise the coolant ingress pipe and coolant delivery line that coaxially arrange with inner core.
As shown in Figure 1, inner core relies on radial blade wheel structure support suspension in outer barrel, and inner core, urceolus are connected as one by radial blade wheel structure, and inner core and urceolus concentric are arranged; Coolant ingress pipe is arranged in coolant delivery line; The outer wall of coolant delivery line and the installing hole of urceolus one end are tightly connected, and urceolus is enclosed construction; Coolant ingress pipe extends to the middle part of inner core vertically; Compare coolant delivery line, the length that coolant ingress pipe extends into inner core is larger.The space of the space between inner core surrounding and urceolus and inner core inside forms the passing away of the medium after vaporizing.
All spacing is there is between inner core surrounding and urceolus, comprise diametrically and axially, all spacing is there is between inner core and urceolus, the space that spacing between described inner core sidewall and outer tube side wall is formed is separated into circumferentially uniform unit tubular space by radial blade wheel structure, unit tubular space extends vertically, and the two ends mouth of pipe of unit tubular space lays respectively in the space that the spacing between the two ends of inner core and urceolus respective ends formed; As shown in Figure 1, the spacing existed in the axial direction between one end of inner core and one end of urceolus forms first end space, the spacing existed in the axial direction between the other end of inner core and the other end of urceolus forms the second end space, the one end open of unit tubular space is positioned at first end space, and the other end opening of unit tubular space is positioned at the second end space.
Have multiple circumferentially uniform unit tubular space along outer wall in described hot cylinder, impeller adjacent in circumference and outer tube inner wall together form the tube wall of unit tubular units.In radial blade wheel structure, the quantity of impeller and the selection of distributed architecture decide according to the size of rotor and the speed of rotation etc. situation, to meet the needs of the Maximum Contact of refrigerant and cylinder inwall, phase change medium conversion is smooth, to reach best heat transfer effect.
According to a kind of above-mentioned using method being applicable to the hot barrel structure of rotation of superconducting motor rotor coil cooling provided by the invention, comprise the steps:
Step 1: when rotating hot barrel structure and being static, coolant is imported inner core inside, makes coolant be deposited on lower space position in urceolus by the spacing between inner core two ends and urceolus respective ends;
Step 2: order rotates hot barrel structure and rotates, and makes coolant force flowing under centrifugal force and the acting in conjunction of radial blade wheel structure, and by the passage that the space between inner core and urceolus and inner core inner space are formed, the coolant after vaporization is discharged.
Particularly, after the unsettled pipeline of the central shaft that refrigerant is provided by coolant ingress pipe enters and rotates hot barrel structure inside, be deposited on and rotate hot barrel structure lower space position, rotate refrigerant when hot barrel structure rotates and force flowing under centrifugal force and the acting in conjunction of radial blade wheel structure, keep and outer tube inner wall Maximum Contact area, contact-making surface accounts for outer tube inner wall ratio and is not less than 20%, this structure reduces the wall thickness of cylinder under ensureing same rotating cylinder intensity prerequisite, thus ensure that the heat conduction amount obtained with the hot barrel structure external contacts heat transfer of rotation increases, make the temperature that external contacts more easily reaches required, meanwhile, the space between inner core, urceolus and existing for inner core inside provides enough passages, for the discharge of the medium after vaporizing, reduces the generation of vapour lock, ensure the stable and reliable operation of whole cold-heat exchange system.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise, and this does not affect flesh and blood of the present invention.
Claims (4)
1. be applicable to the hot barrel structure of rotation of superconducting motor rotor coil cooling, it is characterized in that, comprising: inner core, urceolus, radial blade wheel structure;
Inner core relies on radial blade wheel structure support suspension in outer barrel, and inner core, urceolus are connected as one by radial blade wheel structure, and inner core and urceolus concentric are arranged;
All spacing is there is between inner core surrounding and urceolus, the space that spacing between described inner core sidewall and outer tube side wall is formed is separated into circumferentially uniform unit tubular space by radial blade wheel structure, unit tubular space extends vertically, and the two ends mouth of pipe of unit tubular space lays respectively in the space that the spacing between the two ends of inner core and urceolus respective ends formed;
The space of the space between inner core surrounding and urceolus and inner core inside forms the passing away of the medium after vaporizing.
2. the hot barrel structure of rotation being applicable to the cooling of superconducting motor rotor coil according to claim 1, is characterized in that, also comprise the coolant ingress pipe and coolant delivery line that coaxially arrange with inner core;
Coolant ingress pipe is arranged in coolant delivery line;
The outer wall of coolant delivery line and the installing hole of urceolus one end are tightly connected.
3. the hot barrel structure of rotation being applicable to the cooling of superconducting motor rotor coil according to claim 2, it is characterized in that, coolant ingress pipe extends to the middle part of inner core vertically; Compare coolant delivery line, the length that coolant ingress pipe extends into inner core is larger.
4. the using method being applicable to the hot barrel structure of rotation of superconducting motor rotor coil cooling according to any one of claims 1 to 3, is characterized in that, comprise the steps:
Step 1: when rotating hot barrel structure and being static, coolant is imported inner core inside, makes coolant be deposited on lower space position in urceolus by the spacing between inner core two ends and urceolus respective ends;
Step 2: order rotates hot barrel structure and rotates, and makes coolant force flowing under centrifugal force and the acting in conjunction of radial blade wheel structure, and by the passage that the space between inner core and urceolus and inner core inner space are formed, the coolant after vaporization is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198733.5A CN104883032B (en) | 2015-04-21 | 2015-04-21 | Suitable for the hot barrel structure of rotation and application method of the cooling of superconducting motor rotor coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198733.5A CN104883032B (en) | 2015-04-21 | 2015-04-21 | Suitable for the hot barrel structure of rotation and application method of the cooling of superconducting motor rotor coil |
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| CN104883032A true CN104883032A (en) | 2015-09-02 |
| CN104883032B CN104883032B (en) | 2017-11-14 |
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| CN201510198733.5A Active CN104883032B (en) | 2015-04-21 | 2015-04-21 | Suitable for the hot barrel structure of rotation and application method of the cooling of superconducting motor rotor coil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972712A (en) * | 2016-05-18 | 2016-09-28 | 胡振强 | Simple heat exchanger for outdoor unit of air conditioner |
| CN110988029A (en) * | 2019-12-27 | 2020-04-10 | 西安交通大学 | Thermal-structural characteristic testing system of high-speed rotating shaft with built-in parallel-shaft rotating heat pipe |
| CN114221491A (en) * | 2021-12-02 | 2022-03-22 | 国网江苏省电力有限公司经济技术研究院 | Superconductive motor rotor heat exchanger structure |
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| JPS63294253A (en) * | 1987-05-25 | 1988-11-30 | Hitachi Ltd | Supply and discharge device for liquid nitrogen of superconducting rotary electric machine rotor |
| JPH0340750A (en) * | 1989-07-07 | 1991-02-21 | Mitsubishi Electric Corp | Refrigerant supplying and discharging device for superconductive rotary electric machine |
| CN1913287A (en) * | 2006-08-28 | 2007-02-14 | 中国科学院电工研究所 | Wound internal rotor of double mechanical port electric machine |
| CN101116238A (en) * | 2005-02-04 | 2008-01-30 | 西门子公司 | Machine system with a thermo-syphon cooled superconductor rotor winding |
| US20090121563A1 (en) * | 2007-05-01 | 2009-05-14 | Tesla Motors, Inc. | Liquid Cooled Rotor Assembly |
| CN103872826A (en) * | 2012-12-17 | 2014-06-18 | Lg伊诺特有限公司 | Coolant supplying and collecting apparatus and motor including the same |
| US8965467B2 (en) * | 2012-02-24 | 2015-02-24 | Doosan Heavy Industries & Construction Co., Ltd. | Superconducting rotating electrical machine and manufacturing method for high temperature superconducting film thereof |
| CN204615616U (en) * | 2015-04-21 | 2015-09-02 | 上海超导科技股份有限公司 | Be applicable to the hot barrel structure of rotation of superconducting motor rotor coil cooling |
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2015
- 2015-04-21 CN CN201510198733.5A patent/CN104883032B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63294253A (en) * | 1987-05-25 | 1988-11-30 | Hitachi Ltd | Supply and discharge device for liquid nitrogen of superconducting rotary electric machine rotor |
| JPH0340750A (en) * | 1989-07-07 | 1991-02-21 | Mitsubishi Electric Corp | Refrigerant supplying and discharging device for superconductive rotary electric machine |
| CN101116238A (en) * | 2005-02-04 | 2008-01-30 | 西门子公司 | Machine system with a thermo-syphon cooled superconductor rotor winding |
| CN1913287A (en) * | 2006-08-28 | 2007-02-14 | 中国科学院电工研究所 | Wound internal rotor of double mechanical port electric machine |
| US20090121563A1 (en) * | 2007-05-01 | 2009-05-14 | Tesla Motors, Inc. | Liquid Cooled Rotor Assembly |
| US8965467B2 (en) * | 2012-02-24 | 2015-02-24 | Doosan Heavy Industries & Construction Co., Ltd. | Superconducting rotating electrical machine and manufacturing method for high temperature superconducting film thereof |
| CN103872826A (en) * | 2012-12-17 | 2014-06-18 | Lg伊诺特有限公司 | Coolant supplying and collecting apparatus and motor including the same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972712A (en) * | 2016-05-18 | 2016-09-28 | 胡振强 | Simple heat exchanger for outdoor unit of air conditioner |
| CN105972712B (en) * | 2016-05-18 | 2018-10-30 | 谢曙晖 | Reduced form outdoor machine of air-conditioner heat exchanger |
| CN110988029A (en) * | 2019-12-27 | 2020-04-10 | 西安交通大学 | Thermal-structural characteristic testing system of high-speed rotating shaft with built-in parallel-shaft rotating heat pipe |
| CN110988029B (en) * | 2019-12-27 | 2020-12-22 | 西安交通大学 | Thermal-structural characteristic testing system of high-speed rotating shaft with built-in parallel-shaft rotating heat pipe |
| CN114221491A (en) * | 2021-12-02 | 2022-03-22 | 国网江苏省电力有限公司经济技术研究院 | Superconductive motor rotor heat exchanger structure |
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| CN104883032B (en) | 2017-11-14 |
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