CN107993807B - A kind of transformer cooling system - Google Patents

A kind of transformer cooling system Download PDF

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Publication number
CN107993807B
CN107993807B CN201810070753.8A CN201810070753A CN107993807B CN 107993807 B CN107993807 B CN 107993807B CN 201810070753 A CN201810070753 A CN 201810070753A CN 107993807 B CN107993807 B CN 107993807B
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CN
China
Prior art keywords
cabinet
transformer
air inducing
hole
air
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Active
Application number
CN201810070753.8A
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Chinese (zh)
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CN107993807A (en
Inventor
袁宝虎
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Jiangsu Dongye Electrical Equipment Co Ltd
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Jiangsu Dongye Electrical Equipment Co Ltd
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Priority to CN201810070753.8A priority Critical patent/CN107993807B/en
Publication of CN107993807A publication Critical patent/CN107993807A/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
    • H01F27/08Cooling; Ventilating
    • H01F27/085Cooling by ambient air
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • 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
    • H01F27/22Cooling by heat conduction through solid or powdered fillings
    • 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 present invention proposes a kind of transformer cooling system, including cabinet, the bottom of cabinet is equipped with adapter cavity, the top of adapter cavity is equipped with transformer chamber, transformer is intracavitary to be equipped with auxiliary tank, transformer body is equipped in auxiliary tank, auxiliary tank is equipped with venthole, guide duct is equipped in auxiliary tank, guide duct is equipped with induced duct, the outside of transformer body is equipped with the first air inducing cabinet, first air inducing cabinet is equipped with first through hole and the second through-hole, the outside of first air inducing cabinet is equipped with the second air inducing cabinet and diversion chamber, the bottom of diversion chamber is connect by drainpipe with adapter cavity, second air inducing cabinet is equipped with air guide hole, the connection of the air inlet of air guide hole and exhaust pump, the bottom of guide duct is connect through adapter cavity with cooler bin, cooler bin is connect with Rose Box.Transformer of the present invention cooling system it is structurally reasonable, while generating cooling effect do not influence the normal work of transformer, improve the advantages of effective rate of utilization of environmental-protecting performance and resource.

Description

A kind of transformer cooling system
Technical field
The present invention relates to the cooling system on transformer, in particular to a kind of transformer cooling system.
Background technique
Transformer is essential component in voltage transportational process, and transformer can generate a large amount of heat during the work time Amount, if not in time radiate, the normal work of transformer will be affected, typically now by two modes to change Depressor radiates, first is that natural wind, heat dissipation is slow, can not start effective effect when needing rapid cooling;One is utilizations The accessories such as air blower radiate, and this method is that the air directly extracted radiates to transformer, in hot weather Middle applicability is not strong.
Summary of the invention
It is an object of the invention to provide a kind of transformer cooling systems, solve above-mentioned prior art problem.
The present invention proposes a kind of transformer cooling system, including cabinet, and the bottom of the cabinet is equipped with adapter cavity, described The top of adapter cavity is equipped with transformer chamber, and the transformer is intracavitary to be equipped with auxiliary tank, is equipped with transformer body in the auxiliary tank, Multiple ventholes are uniformly provided on face on the right side of the auxiliary tank, the left side of transformer body is equipped with wind-guiding in the auxiliary tank Pipe, the bottom of the guide duct are connect through adapter cavity with cooler bin, and the cooler bin is connect with Rose Box, the filtering Case is equipped with blast pipe, and the top of the guide duct is equipped with induced duct, and the left end of the induced duct is equipped with sealing cover, the air inducing The bottom of pipe is at least uniformly provided with two the second through-holes, on the intracavitary guide duct of the transformer below the induced duct at least uniformly If the guide duct in the adapter cavity is equipped with gas-guide tube there are three through-hole, the outside of the transformer body is equipped with first and draws The left side plate face of wind box, the first air inducing cabinet is equipped with first through hole and the second through-hole, the first air inducing cabinet Outside be equipped with the second air inducing cabinet and diversion chamber, between the first air inducing bottom of box and diversion chamber be equipped with partition, it is described every Plate is equipped with air inducing hole, and the bottom surface of the diversion chamber is in the arc to concave, and the bottom of the diversion chamber passes through drainpipe and mistake Chamber connection is crossed, the adapter cavity is equipped with discharge outlet, and discharge outlet is equipped with sealing-plug, and the right side on the second air inducing cabinet is set There are air guide hole, the air inlet connection of the air guide hole and exhaust pump.
Wherein, semiconductor chilling plate is equipped in the cooler bin, the semiconductor chilling plate is wavy, in Lang Fengchu and Semiconductor refrigerating on piece at unrestrained paddy is uniformly provided with multiple through-holes for transporting cold wind, and the steam of condensation, the semiconductor is discharged Diversion cavity is equipped in cooler bin below cooling piece, the diversion cavity is equipped with outlet pipe, and the outlet pipe is equipped with check valve.
Wherein, the section of four plate faces all around of the first air inducing cabinet is wavy, first air inducing Multiple first through hole, the wave in the left side plate face of the first air inducing cabinet are uniformly provided at unrestrained peak in the left side plate face of cabinet Multiple second through-holes are uniformly provided at paddy, the diameter of second through-hole is less than the diameter of first through hole.
Wherein, the air guide hole is equipped with temperature sensing device.
Wherein, the drainpipe is equipped with auxiliary check valve.
Wherein, be equipped with stand frame on the right side of the cabinet, the top of the stand frame be equipped with solar energy photovoltaic panel and its component, The air outlet of power supply, control cabinet and heat generating device, the heat generating device and exhaust pump connects, the heat energy power-generating Device is connected to power supply by control cabinet with solar energy photovoltaic panel and its component, and power supply passes through control cabinet and semiconductor refrigerating Piece, exhaust pump connection.
Further, the stand frame has silicon to be made, and reinforcing rib is equipped between the stand frame and cabinet.
Further, be equipped in the control cabinet main control module, energy supply control module, memory module, data processing module, Solar energy photovoltaic panel and its component control module, heat generating device control module, exhaust pump control module, semiconductor chilling plate Control module and temperature sensing device control module, wherein the memory module is for storing on basal temperature and exhaust pump The base rpm of motor;The data processing module be used to determine temperature value that temperature sensing device control module senses with The relationship of basic temperature value;The solar energy photovoltaic panel and its component control module are for controlling solar energy photovoltaic panel and its component Work, and in the electric energy transmission storage to power supply that the solar energy that solar energy photovoltaic panel and its component obtain is converted to;Institute Heat generating device control module is stated for controlling heat generating device work, and the thermal energy institute that heat generating device is got In the electric energy transmission storage to power supply of conversion;The exhaust pump control module is used to control the work of exhaust pump, by adjusting row The revolving speed of motor on air pump achievees the purpose that the rate for controlling exhaust pump pumping;The semiconductor chilling plate control module is used Carry out refrigerating operation is powered in control semiconductor chilling plate;The temperature sensing device control module is for controlling temperature sense It answers the work of the temperature sensor of device to obtain the temperature value that identification temperature sensing device senses, and intercepts one every 10-15min The temperature value that secondary temperature sensing device senses sends data processing module to.
Further, the ratio of the temperature sensing device control module senses temperature value and basic temperature value is 1:a, The ratio of the base rpm of motor on the revolving speed and exhaust pump of motor on the exhaust pump is 1:a, can either be had in this way Effect avoids transformer body from overheating, can also be to avoid the fresh air that exhaust pump revolving speed imports caused by too fast not by good benefit The phenomenon that with being just exported, effectively prevents the waste of the energy.
Wherein, the section in the air inducing hole is with a narrow upper and lower width trapezoidal.
Wherein, one end of the gas-guide tube is connect with guide duct, and the other end of the gas-guide tube is in loudspeaker wide outside and narrow inside Shape.
A kind of the advantages of transformer cooling system of the present invention are as follows: structurally reasonable, good cooling results, effective The normal work of transformer is not influenced while generating cooling effect to transformer body, while discharge is also effectively utilized Thermal energy and solar power generation in high-temperature gas, improve the effective rate of utilization of environmental-protecting performance and resource.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of transformer cooling system in one embodiment of the present invention;
Fig. 2 is the left side view of exhausting side plate in one embodiment of the present invention.
Specific embodiment
As depicted in figs. 1 and 2, the present invention proposes a kind of transformer cooling system, including cabinet, the bottom of the cabinet Equipped with adapter cavity 15, the top of the adapter cavity 15 is equipped with transformer chamber, and the transformer is intracavitary to be equipped with auxiliary tank, the auxiliary It is equipped with transformer body 8 in case, is uniformly provided with multiple ventholes, transformer in the auxiliary tank on the face on the right side of the auxiliary tank The left side of main body 8 is equipped with guide duct 5, and the bottom of the guide duct 5 is connect through adapter cavity 15 with cooler bin, the cooling Case is connect with Rose Box 1, and the Rose Box 1 is equipped with blast pipe, and the top of the guide duct 5 is equipped with induced duct 7, the air inducing The left end of pipe 7 is equipped with sealing cover, and the bottom of the induced duct 7 is at least uniformly provided with two the second through-holes, 7 lower section of induced duct The intracavitary guide duct 5 of transformer on be at least uniformly provided with three through-holes 9, the guide duct 5 in the adapter cavity 15 is equipped with and leads Tracheae 6, the outside of the transformer body 8 are equipped with the first air inducing cabinet, set in the left side plate face 11 of the first air inducing cabinet There are first through hole 111 and the second through-hole 112, the outside of the first air inducing cabinet is equipped with the second air inducing cabinet 12 and diversion chamber 13, partition is equipped between the first air inducing bottom of box and diversion chamber 13, the partition is equipped with air inducing hole, the diversion chamber 13 bottom surface is in the arc to concave, and the bottom of the diversion chamber 13 is connect by drainpipe 14 with adapter cavity 15, the transition Chamber 15 is equipped with discharge outlet, and discharge outlet is equipped with sealing-plug, and the right side on the second air inducing cabinet is equipped with air guide hole 16, described Air guide hole 16 is connect with the air inlet of exhaust pump 18.
As the preferred of the present embodiment, semiconductor chilling plate 2 is equipped in the cooler bin, the semiconductor chilling plate 2 is in Waveform is uniformly provided with multiple through-holes for transporting cold wind, discharge condensation on the semiconductor chilling plate 2 at Lang Fengchu and unrestrained paddy Steam, be equipped with diversion cavity 3 in the cooler bin of 2 lower section of the semiconductor chilling plate, the diversion cavity 3 is equipped with outlet pipe, institute Outlet pipe is stated equipped with check valve 4, avoids gas from directly entering in guide duct 5 from outlet pipe using check valve 4, guarantees guide duct The cleanliness of gas in 5.
As the preferred of the present embodiment, the section of four plate faces all around of the first air inducing cabinet is in wave Shape is uniformly provided with multiple first through hole 111, first air inducing at the unrestrained peak in the left side plate face 11 of the first air inducing cabinet Multiple second through-holes 112 are uniformly provided at unrestrained paddy in the left side plate face 11 of cabinet, the diameter of second through-hole 112 is less than The diameter of one through-hole 111.
As the preferred of the present embodiment, the air guide hole 16 is equipped with temperature sensing device 17.
As the preferred of the present embodiment, the drainpipe 14 is equipped with auxiliary check valve, avoids passing through 14 back suction of drainpipe Gas.
As the preferred of the present embodiment, stand frame 23 is equipped on the right side of the cabinet, the top of the stand frame 23 is equipped with too Positive energy photovoltaic panel and its component 22, power supply 21, control cabinet 20 and heat generating device 19, the heat generating device 19 and row The air outlet of air pump 18 connects, the heat generating device 19 and solar energy photovoltaic panel and its component 22 by control cabinet 20 with Power supply 21 connects, and power supply 21 is connect by control cabinet 20 with semiconductor chilling plate 2, exhaust pump 18.
As the preferred of the present embodiment, the stand frame 23 is made of silicon, and is equipped with and is added between the stand frame 23 and cabinet Strengthening tendons 24.
Be equipped with as the preferred of the present embodiment, in the control cabinet 20 main control module, energy supply control module, memory module, Data processing module, solar energy photovoltaic panel and its component control module, heat generating device control module, exhaust pump control mould Block, semiconductor chilling plate control module and temperature sensing device control module, wherein the memory module is for storing basis The base rpm of temperature and the motor on exhaust pump 18;The data processing module is for determining that temperature sensing device controls mould The relationship of temperature value and basic temperature value that block senses;The solar energy photovoltaic panel and its component control module are for controlling too The work of positive energy photovoltaic panel and its component 22, and the electricity that the solar energy that solar energy photovoltaic panel and its component 22 obtain is converted to Storage can be transmitted to power supply 21;The heat generating device control module works for controlling heat generating device 19, and will In the electric energy transmission storage to power supply 21 that the thermal energy that heat generating device 19 is got is converted;The exhaust pump control module is used In the work of control exhaust pump 18, the speed of the control pumping of exhaust pump 18 is reached by adjusting the revolving speed of the motor on exhaust pump 18 The purpose of rate;The semiconductor chilling plate control module powers on 21 carry out refrigerating operations for controlling semiconductor chilling plate 2; The work that the temperature sensing device control module is used to control the temperature sensor of temperature sensing device 17 obtains identification temperature sense The temperature value for answering device 17 to sense, and the temperature value transmission that a temperature sensing device 17 senses is intercepted every 10-15min To data processing module.
As the preferred of the present embodiment, temperature value and basic temperature value that the temperature sensing device control module senses Ratio be 1:a, the ratio of the base rpm of the revolving speed and motor on exhaust pump 18 of the motor on the exhaust pump 18 is 1: A can either effectively avoid transformer body 8 from overheating in this way, can also import caused by too fast to avoid 18 revolving speed of exhaust pump Fresh air not by well using being just exported the phenomenon that, effectively prevent the waste of the energy.
As the preferred of the present embodiment, the section in the air inducing hole is with a narrow upper and lower width trapezoidal.
As the preferred of the present embodiment, one end of the gas-guide tube 6 is connect with guide duct 5, the other end of the gas-guide tube 6 In wide outside and narrow inside horn-like.
The working principle of transformer cooling system described in the present embodiment are as follows: open exhaust pump 18, connect semiconductor system Cold 2 power supply, using exhaust pump 18 draft effect be make new gas enter refrigeration by the filtering of Rose Box 1 In case, then the cooling gas being pumped into the case where semiconductor chilling plate 2 is powered the situation of refrigeration can pass through wind-guiding through cooling gas The second through-hole discharge on through-hole 9, induced duct 7, induced duct 7 on pipe 5, guide duct 5, then new gas can be in exhaust pump 18 The lower gap by transformer body 8 of draft effect, the gap between transformer body 8 and auxiliary tank, on the right side of auxiliary tank Face on venthole enter between auxiliary chamber and the first air inducing cabinet, then around the left side plate face of the first air inducing cabinet On 11, by the first through hole 111 and the second through-hole 112 the first air inducing cabinet of entrance in the left side plate face 11 of the first air inducing cabinet Between the second cold wind cabinet 12, then it is discharged into heat generating device 19 at air guide hole 16 by the extraction of exhaust pump 18, is Heat generating device 19 provides heat source, while according to the distribution of gaseous mass, and the relatively low gas of water content high-temperature can be The lower section of the higher gas of temperature, the lower gas of temperature can pass through the first air inducing case between auxiliary chamber and the first air inducing cabinet Air inducing hole on partition between body bottom and diversion chamber 13 enters diversion chamber 13, then enters adapter cavity by drainpipe 14 In 15, then the gas of the adapter cavity 15 can the (effect for the cryogenic gas being passed through in guide duct 5 under the action of guide duct 5 Under) carry out pico- cooling, into excessively it is pico- it is cooling after moisture in gas can condense and fall in 15 bottom of adapter cavity, it is pico- it is cooling after Gas in some can be entered in guide duct 5 by gas-guide tube 6 and be utilized again, both effectively filtered out so again by The moisture in gas in utilization, but the gas temperature that can be avoided into auxiliary tank is too low.
Transformer cooling system described in the present embodiment it is structurally reasonable, good cooling results can be avoided and be passed directly into temperature Spend it is low to transformer body 8 work normally influence, in turn avoid the temperature being passed through it is excessively high transformer body 8 is not had it is cold But the phenomenon that acting on effectively is generating the normal work for not influencing transformer body 8 while cooling effect to transformer body 8 Make, while the thermal energy being also effectively utilized in the high-temperature gas of discharge, converts thermal energy into electricity using heat generating device 19 Can, it then recycles this clean energy resource of solar energy to carry out power generation and provides electric energy for the relevant apparatus in the transformer cooling system Support, improves the effective rate of utilization of environmental-protecting performance and resource.
The above is only preferred embodiment of the invention, it is noted that those skilled in the art, not Under the premise of being detached from the invention design, some similar deformation and improvement can be made, these also should be regarded as the present invention Protection scope within.

Claims (9)

1. a kind of transformer cooling system, which is characterized in that including cabinet, the bottom of the cabinet is equipped with adapter cavity (15), The top of the adapter cavity (15) is equipped with transformer chamber, and the transformer is intracavitary to be equipped with auxiliary tank, is equipped with and becomes in the auxiliary tank Depressor main body (8) is uniformly provided with multiple ventholes on the face on the right side of the auxiliary tank, transformer body (8) in the auxiliary tank Left side be equipped with guide duct (5), the bottom of the guide duct (5) connect through adapter cavity (15) with cooler bin, the cooler bin It is connect with Rose Box (1), the Rose Box (1) is equipped with blast pipe, and the top of the guide duct (5) is equipped with induced duct (7), institute The left end for stating induced duct (7) is equipped with sealing cover, and the bottom of the induced duct (7) is at least uniformly provided with two the second through-holes, described Three through-holes (9), the adapter cavity (15) are at least uniformly provided on the intracavitary guide duct (5) of transformer below induced duct (7) Interior guide duct (5) is equipped with gas-guide tube (6), and the outside of the transformer body (8) is equipped with the first air inducing cabinet, and described first The left side plate face (11) of air inducing cabinet be equipped with first through hole (111) and the second through-hole (112), the first air inducing cabinet outside Side be equipped with the second air inducing cabinet (12) and diversion chamber (13), between the first air inducing bottom of box and diversion chamber (13) equipped with every Plate, the partition are equipped with air inducing hole, and the bottom surface of the diversion chamber (13) is in the arc to concave, the bottom of the diversion chamber (13) Portion is connect by drainpipe (14) with adapter cavity (15), and the adapter cavity (15) is equipped with discharge outlet, and discharge outlet is equipped with sealing Plug, the right side on the second air inducing cabinet (12) are equipped with air guide hole (16), the air guide hole (16) and exhaust pump (18) into Air port connection.
2. a kind of transformer cooling system according to claim 1, which is characterized in that be equipped in the cooler bin and partly lead Body cooling piece (2), the semiconductor chilling plate (2) is wavy, on the semiconductor chilling plate (2) at Lang Fengchu and unrestrained paddy It is even to be equipped with multiple through-holes for transporting cold wind, the steam of condensation is discharged, is set in the cooler bin below the semiconductor chilling plate (2) Have diversion cavity (3), the diversion cavity (3) is equipped with outlet pipe, and the outlet pipe is equipped with check valve (4).
3. a kind of transformer cooling system according to claim 1, which is characterized in that before the first air inducing cabinet The section of four plate faces in left and right is wavy afterwards, uniformly sets at the unrestrained peak in the left side plate face (11) of the first air inducing cabinet Have multiple first through hole (111), is uniformly provided with multiple second at the unrestrained paddy in the left side plate face (11) of the first air inducing cabinet Through-hole (112), the diameter of second through-hole (112) are less than the diameter of first through hole (111).
4. a kind of transformer cooling system according to claim 1, which is characterized in that the air guide hole (16) is equipped with Temperature sensing device (17).
5. a kind of transformer cooling system according to claim 1, which is characterized in that the drainpipe (14) is equipped with Assist check valve.
6. a kind of transformer cooling system according to claim 2, which is characterized in that be equipped with bracket on the right side of the cabinet Frame (23), the top of the stand frame (23) be equipped with solar energy photovoltaic panel and its component (22), power supply (21), control cabinet (20) with And heat generating device (19), the heat generating device (19) connect with the air outlet of exhaust pump (18), the heat energy power-generating Device (19) is connect by control cabinet (20) with power supply (21) with solar energy photovoltaic panel and its component (22), and power supply (21) passes through Control cabinet (20) is connect with semiconductor chilling plate (2), exhaust pump (18).
7. a kind of transformer cooling system according to claim 6, which is characterized in that the stand frame (23) is by silicon system At equipped with reinforcing rib (24) between the stand frame (23) and cabinet.
8. a kind of transformer cooling system according to claim 1, which is characterized in that present in the section in the air inducing hole It is narrow trapezoidal under width.
9. a kind of transformer cooling system according to claim 1, which is characterized in that one end of the gas-guide tube (6) It is connect with guide duct (5), the other end of the gas-guide tube (6) is in wide outside and narrow inside horn-like.
CN201810070753.8A 2018-01-24 2018-01-24 A kind of transformer cooling system Active CN107993807B (en)

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Application Number Priority Date Filing Date Title
CN201810070753.8A CN107993807B (en) 2018-01-24 2018-01-24 A kind of transformer cooling system

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CN107993807B true CN107993807B (en) 2019-07-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112543384A (en) * 2020-12-09 2021-03-23 南昌大学 Wireless low-power-consumption multi-relay transparent transmission device

Citations (8)

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Publication number Priority date Publication date Assignee Title
JPH1116741A (en) * 1997-06-19 1999-01-22 Hitachi Ltd Static induction equipment
CN201036121Y (en) * 2007-02-02 2008-03-12 武汉朗肯节能技术有限公司 Oil circulation cooling device of water, gas dual-condensing transformer
CN203760250U (en) * 2014-04-08 2014-08-06 陈红 Voltage transformation device
CN204695920U (en) * 2015-05-15 2015-10-07 江苏汇安隆电器有限公司 A kind of high-cooling property transformer
CN205508561U (en) * 2016-03-01 2016-08-24 陈玉庆 Potential device shell structure
CN206774353U (en) * 2017-04-30 2017-12-19 圣特立集团有限公司 A kind of transformer to radiate safely
CN206864284U (en) * 2017-06-29 2018-01-09 江苏世锦电力技术有限公司 A kind of heat sink of transformer
CN206921621U (en) * 2017-05-23 2018-01-23 北京京平达机械科技有限公司 A kind of automatic exhausting heat abstractor of high-tension transformer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1116741A (en) * 1997-06-19 1999-01-22 Hitachi Ltd Static induction equipment
CN201036121Y (en) * 2007-02-02 2008-03-12 武汉朗肯节能技术有限公司 Oil circulation cooling device of water, gas dual-condensing transformer
CN203760250U (en) * 2014-04-08 2014-08-06 陈红 Voltage transformation device
CN204695920U (en) * 2015-05-15 2015-10-07 江苏汇安隆电器有限公司 A kind of high-cooling property transformer
CN205508561U (en) * 2016-03-01 2016-08-24 陈玉庆 Potential device shell structure
CN206774353U (en) * 2017-04-30 2017-12-19 圣特立集团有限公司 A kind of transformer to radiate safely
CN206921621U (en) * 2017-05-23 2018-01-23 北京京平达机械科技有限公司 A kind of automatic exhausting heat abstractor of high-tension transformer
CN206864284U (en) * 2017-06-29 2018-01-09 江苏世锦电力技术有限公司 A kind of heat sink of transformer

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