CN105529154B - Transformator with double cooling systems - Google Patents

Transformator with double cooling systems Download PDF

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Publication number
CN105529154B
CN105529154B CN201610103565.1A CN201610103565A CN105529154B CN 105529154 B CN105529154 B CN 105529154B CN 201610103565 A CN201610103565 A CN 201610103565A CN 105529154 B CN105529154 B CN 105529154B
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China
Prior art keywords
cooling
tube
cooling tube
terminal
transformator
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CN201610103565.1A
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Chinese (zh)
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CN105529154A (en
Inventor
赵冀
袁静
郑真远
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Shandong Jie Guang electric Polytron Technologies Inc
Original Assignee
赵冀
袁静
郑真远
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Priority to CN201610103565.1A priority Critical patent/CN105529154B/en
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2876Cooling
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/16Water cooling
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/20Cooling by special gases or non-ambient air
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/406Temperature sensor or protection

Abstract

The invention discloses the transformator with double cooling systems,Cooling insulation system include cross section into Contraband shape the first cooling tube and cross section into yi word pattern the second cooling tube,The Contraband shape two ends of the first cooling tube are connected by insulating heat-conductive post respectively with the two ends of the second cooling tube,First cooling tube and the second cooling tube are connected with external cooling-cycle device respectively,External cooling-cycle device includes the first cooling circulation and the second cooling circulation,Vertical closed tube chamber is provided with insulating heat-conductive post,Hydrargyrum is injected in closed tube chamber lower half,The closed tube chamber first half is disposed with the first cooling terminal from the bottom to top、Second cooling terminal and protection terminal,Electromagnetic relay is additionally provided with housing,Electromagnetic relay includes electric magnet and armature,First cooling terminal is connected on armature with conduct switch on the link circuit of external cooling-cycle device,Second cooling terminal is connected on the electric power loop of electric magnet as switch,Protection terminal is connected on the chopper of low-voltage coil as switch.

Description

Transformator with double cooling systems
Technical field
The invention belongs to transformer technology field, the specially transformator with double cooling systems.
Background technology
When transformator works long hours, coil heating amount is big, and coil easily burns, and causes transformer damage.In order to ensure to become The heat that depressor is operationally produced does not affect the normal work of transformator, just need to increase cooling system on the transformer.Water-cooled But mode is one of more general type of cooling of transformator in the market, i.e., configure water-cooling apparatus on the transformer, should The mode of kind is typically all with by the water circulation realization outside primary or secondary hollow spool circular on iron core, water-cooling apparatus Be placed on the outside of coil, the mode of this Local cooling can only cooling surface temperature, it is impossible to the internal temperature of cooling, cooling are filled The heat exchange area put between coil is less, it is impossible to realize good cooling effect.And current transformator is used Coolant is iknsulating liquid, high cost.
The content of the invention
The technical problem to be solved be for the above-mentioned state of the art, and provide a kind of good cooling results, can be Inside transformer carries out cooling down, low cost, the transformator with double cooling systems that can switch the type of cooling.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for:
Arrange in filling dielectric, housing in transformator with double cooling systems, including housing, housing cored, high Line ball circle and low-voltage coil, high-tension coil and low-voltage coil are coaxially disposed on iron core, and high-tension coil is located at outside low-voltage coil, It is characterized in that:Cooling insulation system is provided between high-tension coil and low-voltage coil, cooling insulation system includes cross section into Contraband shape The first cooling tube and cross section into yi word pattern the second cooling tube, the Contraband shape two ends of the first cooling tube and the two of the second cooling tube End is connected by insulating heat-conductive post respectively, and low-voltage line is surrounded in sealing jointly for the first cooling tube, the second cooling tube and insulating heat-conductive post The tube wall of the outer surface of circle, the first cooling tube and the second cooling tube is made for heat-conducting insulation material, and the first cooling tube is cold with second But pipe is not communicated with, and the first cooling tube and the second cooling tube are connected with external cooling-cycle device respectively, external cooling-cycle device Including the first cooling circulation and the second cooling circulation, the first cooling circulation includes connecting tube, compression pump and water tank, and compression pump can be by Water in water tank forms cooling circulation in pumping into the first cooling tube and the second cooling tube by connecting tube, the second cooling circulation includes Air compressor machine and circulation pipe, circulation pipe and the first cooling tube and the second cooling tube form closed circulation, and fluorine is circulated in circulation pipe Leon gas, is provided with the first electromagnetic valve in connecting tube, install the second electromagnetic valve on circulation pipe, and iron core is degree of lip-rounding iron core, high pressure Coil and low-voltage coil are divided into two vertical iron props that two parts wind iron core respectively, the first cooling tube and the second cooling tube Be accordingly divided into two parts setting, the first cooling tube of both sides by the connection of the first intervalve, connecting tube, the first cooling tube and the The loop of one intervalve formation is no to form annular circle around iron core;Second cooling tube of both sides is connected by the second intervalve, even The loop that adapter, the second cooling tube and the second intervalve are formed is provided with perpendicular in insulating heat-conductive post without annular circle is formed around iron core To closed tube chamber, closed tube chamber lower half injects hydrargyrum, and the closed tube chamber first half is disposed with the first colling end from the bottom to top Son, the second cooling terminal and protection terminal, are additionally provided with electromagnetic relay in housing, electromagnetic relay includes electric magnet and rank Ferrum, during electric magnet power-off, armature be located at disconnect position cut-in pressure pump and the first electromagnetic valve electric power loop, disconnect air compressor machine and The electric power loop of the second electromagnetic valve, when electric magnet is powered, armature is located at energization position and connects the electricity of air compressor machine and the second electromagnetic valve The electric power loop of resource loop, opening pressure pump and the first electromagnetic valve, the first cooling terminal are connected on armature with external cooling circulation dress As switch on the link circuit put, the second cooling terminal is connected on the electric power loop of electric magnet as switch, and protection terminal connects As switch on the chopper of low-voltage coil, when hydrargyrum covers terminal, the loop of the terminal is switched on.
To optimize above-mentioned technical proposal, the concrete measure taken also includes:
Above-mentioned connecting tube and circulation pipe are communicated on a pipeline by a three-way valve, and cold with first by the pipeline But pipe is connected with the second cooling tube.
Support is installed in above-mentioned housing, electric magnet is fixed on support.
The first above-mentioned cooling tube and the second cooling tube are between coil, and adjacent turn and are in close contact.
The Contraband shape end of the first above-mentioned cooling tube is provided with gap, and insulating heat-conductive post side is provided with fixes convex, fixed Convex clip makes the first cooling tube be fixedly connected with insulating heat-conductive post in entering gap.
Convex and gap connecting portion the gap of above-mentioned fixation fills insulating cement, makes the first cooling tube and the connection of insulating heat-conductive post Place's sealing.
Above-mentioned high-tension coil and low-voltage coil adopt flat type copper wire, correspondingly, the first cooling tube and the second cooling tube For hollow flat pipe.
Compared with prior art, the present invention has advantages below:
1st, cooling tube is arranged between high-tension coil and low-voltage coil, simultaneously high-tension coil and low-voltage coil can be dissipated Heat, effectively increases the cooling effectiveness of cooling tube, meanwhile, also impart the new function of cooling tube:Existing high-tension coil and low One layer of dielectric isolation layer to be set between line ball circle, high-tension coil and low-voltage coil be separated, and the transformator of the present invention is with cold But pipe is used as sealing coat, simplifies transformer device structure, and do not affect the insulating properties of transformator, reduces transformator cost.
2nd, cooling tube of the invention is divided into two parts, is mutually combined and coil is cooled down, and the advantage for so arranging is:First, Be easily installed, two, coolant do not formed around the loop of iron core, therefore, coolant will not be powered because of electromagnetic induction, so, this Bright coolant choice is very big, it is not necessary to necessarily using iknsulating liquid, can effective reduces cost.
3rd, first, second cooling tube is connected by insulating heat-conductive post, is provided with several terminals, often in insulating heat-conductive post Group terminal is the switch in a loop, and hydrargyrum is injected in closed tube chamber lower half, and when transformer temperature is raised, hydrargyrum position raises, The first cooling terminal of bottom is covered, now the conducting of the first cooling circuit, compression pump and the first electromagnetism valve function, cooling Water forms circulation and winding is lowered the temperature, and this cooling is with low cost, but cooling capacity is slightly weak.If transformer temperature continues to rise Height, hydrargyrum cover the second cooling terminal, and armature is drawn to energization position, connects air compressor machine by the electric power loop conducting of electric magnet, electric magnet The electric power loop of electric power loop, opening pressure pump and the first electromagnetic valve with the second electromagnetic valve, now the second cooling circuit Work, using freon to winding fast cooling, after temperature is reduced, hydrargyrum position declines, less than the second colling end period of the day from 11 p.m. to 1 a.m, electromagnetism Ferrum power-off, transformator adopt cooling water temperature again.Work as temperature control, hydrargyrum covers the highest protection end period of the day from 11 p.m. to 1 a.m, and the terminal makes to break Road device loop turns on, and chopper disconnects the loop of low-voltage coil, protects transformator.
Description of the drawings
Fig. 1 is the structural representation of transformator;
Fig. 2 is the schematic diagram of transformer coli winding;
Fig. 3 is the A-A sectional views of Fig. 2;
Fig. 4 is the vertical view cutaway drawing of the first cooling tube;
Fig. 5 is the schematic internal view of insulating heat-conductive post;
Fig. 6 is the structural representation of electromagnetic relay.
Reference therein is:Housing 1, iron core 2, high-tension coil 3, low-voltage coil 4, cooling insulation system 5, first are cold But pipe 51, gap 51a, the second cooling tube 52, the cooling terminal 6a of insulating heat-conductive post 6, first, second cool down terminal 6b, protection end Sub- 6c, closed tube chamber 61, fixed convex 62, the cooling circulation 7a of external cooling-cycle device 7, first, the second cooling circulate 7b, connect Pipe 71, compression pump 72, water tank 73, the first electromagnetic valve 74, air compressor machine 75, circulation pipe 76, the second electromagnetic valve 77, three-way valve 78, One intervalve 79, electromagnetic relay 8, electric magnet 81, armature 82.
Specific embodiment
Embodiments of the invention are described in further detail below in conjunction with accompanying drawing.
Transformator with double cooling systems, including housing 1, filling dielectric in housing 1 are arranged in housing 1 cored 2nd, high-tension coil 3 and low-voltage coil 4, high-tension coil 3 and low-voltage coil 4 are coaxially disposed on iron core 2, and high-tension coil 3 is located at low Outside line ball circle 4, it is characterized in that:Cooling insulation system 5 is provided between high-tension coil 3 and low-voltage coil 4, insulation system 5 is cooled down Including cross section into Contraband shape the first cooling tube 51 and cross section into yi word pattern the second cooling tube 52, the Contraband of the first cooling tube 51 Shape two ends are connected by insulating heat-conductive post 6 respectively with the two ends of the second cooling tube 52, the first cooling tube 51,52 and of the second cooling tube The 6 common sealing of insulating heat-conductive post surrounds the tube wall of the outer surface of low-voltage coil 4, the first cooling tube 51 and the second cooling tube 52 to lead Heat insulator makes, and the first cooling tube 51 is not communicated with the second cooling tube 52,52 points of the first cooling tube 51 and the second cooling tube It is not connected with external cooling-cycle device 7, external cooling-cycle device 7 includes the first cooling cooling circulations of circulation 7a and second 7b, the first cooling circulation 7a include connecting tube 71, compression pump 72 and water tank 73, and compression pump 72 can be by the water in water tank 73 by connecting Adapter 71 forms cooling circulation in pumping into the first cooling tube 51 and the second cooling tube 52, the second cooling circulation 7b includes air compressor machine 75 With circulation pipe 76, circulation pipe 76 and the first cooling tube 51 and the second cooling tube 52 form closed circulation, recycle stream in circulation pipe 76 Dynamic Freon gases, are provided with the first electromagnetic valve 74 in connecting tube 71, the second electromagnetic valve 77 is installed on circulation pipe 76, and iron core 2 is Degree of lip-rounding iron core, high-tension coil 3 and low-voltage coil 4 are divided into two vertical iron props that two parts wind iron core 2 respectively, the first cooling Pipe 51 and the second cooling tube 52 are also accordingly divided into two parts setting, and the first cooling tube 51 of both sides is connected by the first intervalve 79 Logical, the loop of connecting tube 71, the first cooling tube 51 and the first intervalve 79 formation is no to form annular circle around iron core 2;Both sides Second cooling tube 52 is connected by the second intervalve, and the loop that connecting tube 71, the second cooling tube 52 and the second intervalve are formed does not have Have annular circle is formed around iron core 2.Vertical closed tube chamber 61 is provided with insulating heat-conductive post 6, hydrargyrum is injected in 61 lower half of closed tube chamber, 61 first half of closed tube chamber is disposed with the first cooling terminal 6a, the second cooling terminal 6b and protection terminal from the bottom to top 6c, is additionally provided with electromagnetic relay 8 in housing 1, electromagnetic relay 8 includes electric magnet 81 and armature 82, during 81 power-off of electric magnet, Armature 82 is located at and disconnects position and the electric power loop of cut-in pressure pump 72 and the first electromagnetic valve 74, disconnection air compressor machine 75 and the second electromagnetism The electric power loop of valve 77, when electric magnet 81 is powered, armature 82 is located at energization position and connects air compressor machine 75 and the second electromagnetic valve 77 The electric power loop of electric power loop, opening pressure pump 72 and the first electromagnetic valve 74, first cooling terminal 6a be connected on armature 82 with it is external As switch on the link circuit of cooling-cycle device 7, the second cooling terminal 6b is connected on conduct on the electric power loop of electric magnet 81 Switch, protection terminal 6c are connected on the chopper of low-voltage coil 4 as switch, when hydrargyrum covers terminal, the loop quilt of the terminal Conducting.
In embodiment, connecting tube 71 and circulation pipe 76 are communicated on a pipeline by a three-way valve 78, and pass through the pipe Road is connected with the first cooling tube 51 and the second cooling tube 52.
In embodiment, support is installed in housing 1, electric magnet 81 is fixed on support.
In embodiment, the first cooling tube 51 and the second cooling tube 52 are between coil, and adjacent turn and are in close contact.
In embodiment, the Contraband shape end of the first cooling tube 51 is provided with gap 51a, and 6 side of insulating heat-conductive post is provided with solid Fixed convex 62, fixation convex 62 makes the first cooling tube 51 be fixedly connected with insulating heat-conductive post 6 in snapping in gap 51a.
The gap filling insulating cement of convex 62 and gap 51a connecting portions in embodiment, is fixed, the first cooling tube 51 and insulation is made 6 junction of heating column seals.
In embodiment, high-tension coil 3 and low-voltage coil 4 adopt flat type copper wire, and correspondingly, the first cooling tube 51 and second is cold But pipe 52 is also hollow flat pipe.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention Scope.

Claims (7)

1. the transformator with double cooling systems, including housing (1), filling dielectric, described housing in described housing (1) (1) cored (2), high-tension coil (3) and low-voltage coil (4) are set in, and described high-tension coil (3) and low-voltage coil (4) exist Iron core is coaxially disposed on (2), and described high-tension coil (3) is outside positioned at low-voltage coil (4), it is characterized in that:Described high-voltage line It is provided between circle (3) and low-voltage coil (4) and cools down insulation system (5), described cooling insulation system (5) is including cross section into Contraband The second cooling tube (52) of first cooling tube (51) of shape and cross section into yi word pattern, the Contraband shape of described the first cooling tube (51) Two ends are connected by insulating heat-conductive post (6) respectively with the two ends of the second cooling tube (52), described the first cooling tube (51), second Cooling tube (52) and insulating heat-conductive post (6) seal the outer surface for surrounding low-voltage coil (4), described the first cooling tube (51) jointly Tube wall with the second cooling tube (52) is heat-conducting insulation material making, described the first cooling tube (51) and the second cooling tube (52) It is not communicated with, described the first cooling tube (51) and the second cooling tube (52) are connected with external cooling-cycle device (7) respectively, described External cooling-cycle device (7) including the first cooling circulation (7a) and the second cooling circulation (7b), described first cools down and follows Ring (7a) includes connecting tube (71), compression pump (72) and water tank (73), and described compression pump (72) can be by the water in water tank (73) Cooling circulation, the second described cooling are formed during the first cooling tube (51) and the second cooling tube (52) are pumped into by connecting tube (71) Circulation (7b) includes air compressor machine (75) and circulation pipe (76), described circulation pipe (76) and the first cooling tube (51) and the second cooling Pipe (52) forms closed circulation, and Freon gases are circulated in described circulation pipe (76), pacifies in described connecting tube (71) Equipped with the first electromagnetic valve (74), the second electromagnetic valve (77) is installed on described circulation pipe (76), described iron core (2) is degree of lip-rounding ferrum Core, high-tension coil (3) and low-voltage coil (4) are divided into two vertical iron props that two parts wind iron core (2) respectively, and described One cooling tube (51) and the second cooling tube (52) are also accordingly divided into two parts setting, and first cooling tube (51) of both sides is by the One intervalve (79) is connected, and the loop that described connecting tube (71), the first cooling tube (51) and the first intervalve (79) are formed does not have Have annular circle is formed around iron core (2);Second cooling tube (52) of both sides is connected by the second intervalve, described connecting tube (71), the loop that the second cooling tube (52) and the second intervalve are formed forms annular circle without around iron core (2), and described insulation is led Vertical closed tube chamber (61), described closed tube chamber (61) lower half injection hydrargyrum, described closed tube chamber are provided with plume (6) (61) first half is disposed with the first cooling terminal (6a), the second cooling terminal (6b) and protection terminal from the bottom to top (6c), be additionally provided with electromagnetic relay (8) in described housing (1), described electromagnetic relay (8) including electric magnet (81) and Armature (82), during described electric magnet (81) power-off, described armature (82) is positioned at disconnecting position and cut-in pressure pump (72) and the The electric power loop of one electromagnetic valve (74), the electric power loop for disconnecting air compressor machine (75) and the second electromagnetic valve (77), described electric magnet (81), when being powered, described armature (82) is positioned at energization position and connects the power supply time of air compressor machine (75) and the second electromagnetic valve (77) The electric power loop on road, opening pressure pump (72) and the first electromagnetic valve (74), the first described cooling terminal (6a) are connected on armature (82) electromagnetism is connected on as switch, the second described cooling terminal (6b) with the link circuit of external cooling-cycle device (7) As switch on the electric power loop of ferrum (81), described protection terminal (6c) is connected on conduct on the chopper of low-voltage coil (4) and opens Close, when hydrargyrum covers the first cooling terminal (6a), the second cooling terminal (6b) or protection terminal (6c), the loop quilt of respective terminal Conducting.
2. the transformator with double cooling systems according to claim 1, is characterized in that:Described connecting tube (71) and follow Endless tube (76) is communicated on a pipeline by a three-way valve (78), and cold with the first cooling tube (51) and second by the pipeline But manage (52) connection.
3. the transformator with double cooling systems according to claim 2, is characterized in that:Install in described housing (1) There is support, described electric magnet (81) is fixed on support.
4. the transformator with double cooling systems according to claim 3, is characterized in that:Described the first cooling tube (51) It is between coil, and adjacent turn with the second cooling tube (52) and is in close contact.
5. the transformator with double cooling systems according to claim 4, is characterized in that:Described the first cooling tube (51) Contraband shape end be provided with gap (51a), described insulating heat-conductive post (6) side is provided with fixed convex (62), described fixation Convex (62) make the first cooling tube (51) be fixedly connected with insulating heat-conductive post (6) in snapping in gap (51a).
6. the transformator with double cooling systems according to claim 5, is characterized in that:Described fixation convex (62) and slit The gap filling insulating cement of mouth (51a) connecting portion, makes the first cooling tube (51) and the sealing of insulating heat-conductive post (6) junction.
7. the transformator with double cooling systems according to claim 6, is characterized in that:Described high-tension coil (3) and Low-voltage coil (4) adopts flat type copper wire, and correspondingly, the first cooling tube (51) and the second cooling tube (52) are also hollow flat pipe.
CN201610103565.1A 2016-02-25 2016-02-25 Transformator with double cooling systems Active CN105529154B (en)

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CN201610103565.1A CN105529154B (en) 2016-02-25 2016-02-25 Transformator with double cooling systems

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Application Number Priority Date Filing Date Title
CN201610103565.1A CN105529154B (en) 2016-02-25 2016-02-25 Transformator with double cooling systems

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CN105529154B true CN105529154B (en) 2017-03-29

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007141982A (en) * 2005-11-16 2007-06-07 Meito Sangyo Kk Matching transformer
CN201698866U (en) * 2010-04-29 2011-01-05 艾默生网络能源有限公司 Water-cooled induction transformer
CN102568750A (en) * 2011-12-28 2012-07-11 苏州博远特种变压器有限公司 Water-cooling reactor
CN103730237A (en) * 2014-01-15 2014-04-16 河北远大电子有限公司 Multi-winding water-cooled inductor
CN204121603U (en) * 2014-09-28 2015-01-28 武汉奥赛福医疗科技有限公司 Magnetic stimulating coil outer circulation chiller
CN204834272U (en) * 2015-07-03 2015-12-02 安徽广正电气科技有限公司 Water -cooling reactor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007141982A (en) * 2005-11-16 2007-06-07 Meito Sangyo Kk Matching transformer
CN201698866U (en) * 2010-04-29 2011-01-05 艾默生网络能源有限公司 Water-cooled induction transformer
CN102568750A (en) * 2011-12-28 2012-07-11 苏州博远特种变压器有限公司 Water-cooling reactor
CN103730237A (en) * 2014-01-15 2014-04-16 河北远大电子有限公司 Multi-winding water-cooled inductor
CN204121603U (en) * 2014-09-28 2015-01-28 武汉奥赛福医疗科技有限公司 Magnetic stimulating coil outer circulation chiller
CN204834272U (en) * 2015-07-03 2015-12-02 安徽广正电气科技有限公司 Water -cooling reactor

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Effective date of registration: 20180814

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