WO2019010904A1 - Système de refroidissement de liquide à bobine électromagnétique - Google Patents

Système de refroidissement de liquide à bobine électromagnétique Download PDF

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Publication number
WO2019010904A1
WO2019010904A1 PCT/CN2017/113910 CN2017113910W WO2019010904A1 WO 2019010904 A1 WO2019010904 A1 WO 2019010904A1 CN 2017113910 W CN2017113910 W CN 2017113910W WO 2019010904 A1 WO2019010904 A1 WO 2019010904A1
Authority
WO
WIPO (PCT)
Prior art keywords
electromagnetic coil
liquid
cooling system
pipeline
hydraulic pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/113910
Other languages
English (en)
Chinese (zh)
Inventor
王伟
王毅
史忠山
吕松浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong HI-1 New Materials Technology Research Institute Co Ltd
Original Assignee
Guangdong HI-1 New Materials Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong HI-1 New Materials Technology Research Institute Co Ltd filed Critical Guangdong HI-1 New Materials Technology Research Institute Co Ltd
Publication of WO2019010904A1 publication Critical patent/WO2019010904A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2876—Cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/105—Cooling by special liquid or by liquid of particular composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers

Definitions

  • the invention relates to the field of electromagnetic coil liquid cooling, in particular to an electromagnetic coil liquid cooling system.
  • the electromagnetic coil generates a magnetic field when it is energized, and generates heat even when a magnetic field is generated.
  • a single energization load can be performed. Produces a strong magnetic field above 10T, but due to the presence of electromagnetic coil resistance, a strong magnetic field requires its strong current and dense winding. Therefore, the electromagnetic coil generates a large amount of Joule heat while generating a strong magnetic field. If this heat is not Discharge in time will increase the temperature of the coil and increase the resistance of the coil. When the next load is applied, more heat will be generated to reduce the strength of the magnetic field, so this heat must be discharged.
  • the electromagnetic coil is mainly immersed in a tank containing an insulating coolant for cooling, but the cooling effect is poor, which is far from meeting the industrial demand.
  • an object of the present invention is to provide a solenoid coil liquid cooling system which adopts a combination design of a liquid storage tank, an electromagnetic coil, a hydraulic pump, a first pipeline, and a second pipeline, and passes The passage, the hydraulic pump, the first pipeline and the second pipeline form a circulation loop, and in use, the built-in insulating coolant can be circulated therein to flow through the electromagnetic coil to cool the electromagnetic coil, and By placing the electromagnetic coil in the liquid storage tank, the electromagnetic coil can be immersed in the external insulating coolant in the liquid storage tank during use, and the external insulating coolant can be used to cool the outside of the electromagnetic coil. Double cooling of the electromagnetic coil can be achieved, which can greatly improve the cooling effect.
  • Electromagnetic coil liquid cooling system including a liquid storage tank for holding an external insulating coolant, located in the liquid storage tank And an electromagnetic coil, a hydraulic pump, a first pipeline, and a second pipeline immersed in the external insulating coolant; the electromagnetic coil is provided with a passage; the liquid inlet end of the hydraulic pump is first One end of the pipeline communicates, the other end of the first pipeline communicates with one end of the passage; the other end of the passage communicates with one end of the second conduit, and the other end of the second conduit communicates with the hydraulic pump The end of the electromagnetic coil, the second pipeline, the hydraulic pump and the first pipeline together form a circulation loop for circulating the built-in insulating coolant therein.
  • first pipeline and/or the second pipeline are connected to an accumulator.
  • first conduit and/or the second conduit have a heat sink.
  • the first pipeline includes a first duct, a heat sink, and a first insulated duct connector; the heat sink is connected to the electromagnetic coil through the first insulated duct connector, and the radiator is provided with a flow channel, the An insulated pipe connector is provided with a first communication cavity, one end of the first pipe is connected to the liquid inlet end of the hydraulic pump, the other end is connected to one end of the flow channel, and the other end of the flow channel is connected through the first The cavity is connected to the channel; the second pipe includes a second pipe and a second insulated pipe connector; the second pipe is connected to the electromagnetic coil through a second insulated pipe connector, and the second insulated pipe connector is provided a second communication chamber, and one end of the second conduit is in communication with the liquid outlet of the hydraulic pump, and the other end of the second conduit is in communication with the passage through the second communication chamber.
  • the heat sink is located in the liquid storage tank and is used for immersing in the external insulating coolant.
  • first insulated pipe connector and the second insulated pipe connector are both located in the liquid storage tank and used for immersing in the external insulating coolant.
  • the electromagnetic coil includes a wire, and an inner wall of the passage is at least partially formed by a wire wall surface.
  • the channel is disposed on the wire.
  • the wire jacket is provided with an insulating sleeve.
  • the external insulating coolant and the built-in insulating coolant are liquid nitrogen, liquid hydrogen, liquid helium, liquid carbon dioxide or freon.
  • the invention adopts the combined design of the liquid storage tank, the electromagnetic coil, the hydraulic pump, the first pipeline and the second pipeline, and forms a circulation loop by using the passage, the hydraulic pump, the first pipeline and the second pipeline, and is in use
  • the built-in insulating coolant can be circulated therein to flow through the electromagnetic coil to cool the electromagnetic coil, and by placing the electromagnetic coil in the liquid storage tank, the electromagnetic coil can be immersed in use.
  • the external insulating coolant in the liquid storage tank the external insulating coolant can be used to cool the outside of the electromagnetic coil, thereby achieving double cooling of the electromagnetic coil and greatly improving the cooling effect.
  • Figure 1 is a schematic view of the structure of the present invention
  • FIG. 2 is a schematic structural view of an electromagnetic coil
  • Fig. 3 is an enlarged view of a portion A of Fig. 2;
  • liquid storage tank 20
  • electromagnetic coil 21, channel; 30, hydraulic pump
  • 40 first pipeline; 41, radiator; 50, second pipeline; 51, accumulator; a first insulated pipe connector; 62, a second insulated pipe connector.
  • An electromagnetic coil liquid cooling system as shown in FIG. 1 includes a liquid storage tank 10 for holding an external insulating coolant, and an electromagnetic system located in the liquid storage tank 10 for immersing in the external insulating coolant Coil 20, liquid a pressure pump 30, a first line 40, and a second line 50; the electromagnetic coil 20 is provided with a passage 21; the liquid inlet end of the hydraulic pump 30 communicates with one end of the first line 40, the first tube The other end of the passage 40 communicates with one end of the passage 21; the other end of the passage 21 communicates with one end of the second conduit 50, and the other end of the second conduit 50 communicates with the outlet end of the hydraulic pump 30, The passage 21 of the electromagnetic coil 20, the first line 40, the hydraulic pump 30 and the second line 50 together form a circulation loop for circulating a built-in insulating coolant therein.
  • the hydraulic pump 30 operates to power the flow of the built-in insulating coolant, and the passage 21 flowing through the electromagnetic coil 20 is in direct contact with the electromagnetic coil 20 as the built-in insulating coolant circulates in the circulation loop.
  • the heat exchange is performed in a convective heat transfer manner to cool and cool the electromagnetic coil 20.
  • the invention adopts the combined design of the liquid storage tank 10, the electromagnetic coil 20, the hydraulic pump 30, the first pipeline 40 and the second pipeline 50, and through the passage 21, the hydraulic pump 30, the first pipeline 40 and the second
  • the line 50 constitutes a circulation loop in which a built-in insulating coolant can be circulated to flow through the electromagnetic coil 20 to cool the electromagnetic coil 20, and by placing the electromagnetic coil 20 in the reservoir 10,
  • the electromagnetic coil 20 can be immersed in the external insulating coolant in the liquid storage tank 10, and the external insulating coolant can be used to cool the outside of the electromagnetic coil 20, thereby achieving double cooling of the electromagnetic coil 20.
  • the cooling effect of the electromagnetic coil 20 can be greatly improved.
  • first line 40 and/or the second line 50 are connected to the accumulator 51, that is, the first line 40 can be connected to the accumulator 51, or the second line 50 can be connected.
  • the second conduit 50 is connected to the accumulator 51.
  • first conduit 40 and/or the second conduit 50 have a heat sink 41, that is, the first A pipe 40 may have a radiator 41, or the second pipe 50 may have a radiator 41, or both the first pipe 40 and the second pipe 50 may have a radiator 41 to allow heat dissipation through the built-in insulating coolant.
  • the heat of the built-in insulating coolant can be dissipated by the heat sink 41.
  • the first conduit 40 has a heat sink 41.
  • the heat sink 41 is located in the liquid storage tank 10 and is used for immersing in the external insulating coolant.
  • the heat sink 41 can conveniently dissipate the heat of the built-in insulating coolant to the outside. Insulate the coolant to increase heat dissipation efficiency.
  • the first pipe 40 includes a first pipe, a radiator 41, and a first insulated pipe connector 61.
  • the heat sink 41 is connected to the electromagnetic coil 20 through a first insulated pipe connector 61.
  • the first insulating pipe connector 61 is provided with a first communication cavity, one end of the first pipe is connected to the liquid inlet end of the hydraulic pump 30, and the other end is connected to one end of the flow channel. The other end of the flow path communicates with the passage 21 through the first communication chamber.
  • the second conduit 50 includes a second conduit, a second insulated conduit connector 62; the second conduit is connected to the electromagnetic coil 20 via a second insulated conduit connector 62, and the second insulated conduit connector 62 is provided
  • the second communication chamber has one end of the second conduit communicating with the liquid outlet end of the hydraulic pump 30, and the other end of the second conduit is in communication with the passage 21 through the second communication chamber.
  • the present invention can be easily fabricated by adopting the above structure.
  • the accumulator 51 is in communication with the second conduit.
  • first insulated pipe connector 61 and the second insulated pipe connector 62 are both located in the liquid storage tank 10 and used for immersing in the external insulating coolant.
  • heat can be exchanged with the external insulating coolant of the liquid storage tank 10, and the built-in insulation can be grown.
  • the heat exchange path between the coolant and the externally insulating coolant is such that more heat of the built-in insulating coolant is dissipated in the external insulating coolant.
  • the electromagnetic coil 20 generally includes a wire, and the wire is guided by copper, aluminum, or silver. Made of electrical material, and when the electromagnetic coil 20 is in operation, a magnetic field is generated mainly by energizing the wires, and thus heat is mainly concentrated on the wires.
  • the present invention is improved in that the inner wall of the passage 21 is at least partially formed by the wall surface of the wire (as described in Figures 2 and 3).
  • the built-in insulating coolant can be directly contacted and cooled directly with the wire which is the main heating element of the electromagnetic coil 20, and the cooling effect can be further improved.
  • the passage 21 is disposed on the wire so that the inner wall of the passage 21 is at least partially formed directly from the wall surface of the wire.
  • the wire jacket is provided with an insulating sleeve to provide insulation.
  • the cooling passage 21 may be disposed at a central portion of the wire.
  • the external insulating coolant and the built-in insulating coolant are liquid nitrogen, liquid hydrogen, liquid helium, liquid carbon dioxide or freon to further improve the cooling effect.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

L'invention concerne un système de refroidissement de liquide à bobine électromagnétique, comprenant un réservoir de liquide (10) pour contenir un liquide de refroidissement isolant externe, une bobine électromagnétique (20) située dans le réservoir de liquide (10) et configurée pour être immergée dans le liquide de refroidissement isolant externe, une pompe hydraulique (30), un premier pipeline (40), et un second pipeline (50), la bobine électromagnétique (20) comprenant un canal (21); une extrémité d'entrée de liquide de la pompe hydraulique (30) étant en communication avec l'une des extrémités du premier pipeline (40), et l'autre extrémité du premier pipeline (40) est en communication avec l'une des extrémités du canal (21); l'autre extrémité du canal (21) est en communication avec l'une des extrémités du second pipeline (50), et l'autre extrémité du second pipeline (50) est en communication avec une extrémité de sortie de liquide de la pompe hydraulique (30); et le canal (21) de la bobine électromagnétique (20), la pompe hydraulique (30), le premier pipeline (40) et le second pipeline (50) constituent une boucle de circulation pour le liquide de refroidissement isolant interne pour s'écouler à travers celle-ci. Le système peut améliorer considérablement l'effet de refroidissement de la bobine électromagnétique.
PCT/CN2017/113910 2017-07-10 2017-11-30 Système de refroidissement de liquide à bobine électromagnétique Ceased WO2019010904A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710557977.7 2017-07-10
CN201710557977.7A CN107871598A (zh) 2017-07-10 2017-07-10 电磁线圈液冷系统

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WO2019010904A1 true WO2019010904A1 (fr) 2019-01-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114520098A (zh) * 2020-11-19 2022-05-20 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） 浸泡式液冷回路循环散热系统及具有其的磁悬浮运输系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1713314A (zh) * 2004-06-15 2005-12-28 中国科学院电工研究所 一种蒸发冷却变压器
US20110128105A1 (en) * 2009-05-29 2011-06-02 Abb Oy Method for manufacturing coil, and a coil
CN103545023A (zh) * 2013-10-29 2014-01-29 哈尔滨工业大学 内冷式换位利兹导线组
CN104051137A (zh) * 2014-07-02 2014-09-17 杭州务实科技有限公司 一种可快速降温的变压器
CN106455436A (zh) * 2016-10-21 2017-02-22 广东合新材料研究院有限公司 一种敞开式液氮自循环快速冷却系统
CN207021123U (zh) * 2017-07-10 2018-02-16 广东合一新材料研究院有限公司 电磁线圈液冷系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004063508B4 (de) * 2004-12-27 2008-10-16 Siemens Ag Elektrisches Bauteil mit Kühlkreislauf für den Unterwasserbetrieb

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1713314A (zh) * 2004-06-15 2005-12-28 中国科学院电工研究所 一种蒸发冷却变压器
US20110128105A1 (en) * 2009-05-29 2011-06-02 Abb Oy Method for manufacturing coil, and a coil
CN103545023A (zh) * 2013-10-29 2014-01-29 哈尔滨工业大学 内冷式换位利兹导线组
CN104051137A (zh) * 2014-07-02 2014-09-17 杭州务实科技有限公司 一种可快速降温的变压器
CN106455436A (zh) * 2016-10-21 2017-02-22 广东合新材料研究院有限公司 一种敞开式液氮自循环快速冷却系统
CN207021123U (zh) * 2017-07-10 2018-02-16 广东合一新材料研究院有限公司 电磁线圈液冷系统

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