CN109215943A - A kind of bottomless electrode DC electric arc furnaces rectifier transformer - Google Patents
A kind of bottomless electrode DC electric arc furnaces rectifier transformer Download PDFInfo
- Publication number
- CN109215943A CN109215943A CN201810958969.8A CN201810958969A CN109215943A CN 109215943 A CN109215943 A CN 109215943A CN 201810958969 A CN201810958969 A CN 201810958969A CN 109215943 A CN109215943 A CN 109215943A
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- shell
- sink
- water
- heat
- electric arc
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- 238000010891 electric arc Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- H01F27/02—Casings
- H01F27/025—Constructional details relating to 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
- H01F27/085—Cooling by ambient air
-
- 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
- H01F27/16—Water 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
- H01F27/18—Liquid cooling by evaporating liquids
-
- 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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention relates to transformer technology fields, especially a kind of bottomless electrode DC electric arc furnaces rectifier transformer, including shell, multiple iron cores are equipped in shell, the iron core has been externally wrapped with coil, the top two sides of shell are equipped with multiple binding posts, the top of the shell is equipped with sink, the top edge of the sink is connected with water receiving cover, the water inlet of multiple strips is offered at the top of the sink, the bottom of the shell is equipped with water tank, multiple heat-dissipating pipes are vertically connected between the bottom of the sink and the top of water tank, a heat-dissipating pipe iron core setting therethrough, the inner wall of the heat-dissipating pipe is continuously provided with the radiating groove of annular, the section of the radiating groove is V-arrangement, the present invention radiates in such a way that air-cooled water cooling combines, good heat dissipation effect, in addition rainwater and moisture evaporative heat loss are rationally utilized, wiper ring It protects, it is energy saving.
Description
Technical field
The present invention relates to transformer technology field more particularly to a kind of bottomless electrode DC electric arc furnaces rectifier transformers.
Background technique
Electric arc furnaces is well known apparatus for melting metal.In general, the electric arc furnaces powered in a manner of direct current need to be in furnace bottom
A set of electrode assembly (generally anode) is set, to form power circuit, so that the metal being placed in furnace and graphite top electricity
Electric arc is generated between pole, to reach the purpose of this kind of metal of melting.Existing hearth electrode is typically divided into four class patterns, i.e.,
Water cooled steel bar type, conducting hearth formula, more knitting needle types and more steel-sheet types.In addition there are also bottomless electrode DC electric arc furnaces
Electric arc furnaces needs to use rectifier transformer, and rectifier transformer is the power transformer of rectifier equipment.Rectifier equipment
Feature is original side's input AC, and pair side is by exporting direct current after rectifier element.Unsteady flow is rectification, adverse current and three kinds of frequency conversion work
The general name of mode, rectification are wherein most widely used one kind.Transformer as fairing power supply is known as rectifier transformer
Device.Industrial rectification DC power supply be all largely as AC network by rectifier transformer with rectifier equipment obtained from,
Rectifier transformer is the power transformer of rectifier equipment.The characteristics of rectifier equipment is primary side input AC, and secondary side output passes through
Direct current is exported after rectifier cell.Transformer as fairing power supply is known as rectifier transformer.Industrial commutating DC
Power supply is passed through obtained from rectifier transformer and rectifier equipment as AC network.
Transformer is immersed in fuel tank generally using the oily type of cooling by its heat dissipation of rectifier transformer in the prior art
In, since oil is bigger than the specific heat of air, dielectric strength is high, this radiating mode is the mainstream heat dissipation of high-power transformer.But
Since oil product needs to safeguard, the bad solution of the sealing at lead-out wire.
Summary of the invention
The purpose of the present invention is to solve the disadvantages that heat dissipation inconvenience exists in the prior art, and the one kind proposed is bottomless
Electrode DC electric arc furnaces rectifier transformer.
To achieve the goals above, present invention employs following technical solutions:
A kind of bottomless electrode DC electric arc furnaces rectifier transformer, including shell are designed, is equipped with multiple iron cores, institute in shell
It states iron core and has been externally wrapped with coil, the top two sides of shell are equipped with multiple binding posts, and the top of the shell is equipped with sink, described
The top edge of sink is connected with water receiving cover, and the water inlet of multiple strips is offered at the top of the sink, the shell
Bottom is equipped with water tank, and multiple heat-dissipating pipes, the heat-dissipating pipe are vertically connected between the bottom of the sink and the top of water tank
An iron core setting, the inner wall of the heat-dissipating pipe are continuously provided with the radiating groove of annular, the section of the radiating groove therethrough
For V-arrangement, the water tank is interior to be equipped with delivery pump, and the water outlet of the delivery pump and one end of return pipe connect, the return pipe
The connection of the top side of the other end and sink, the top other side of the sink are connect with water inlet pipe, and the water inlet pipe is equipped with
The two sides of control valve, shell are equipped with ventilating mechanisms.
Preferably, the bottom margin of the shell is connected with mounting plate, and the mounting plate is equipped with mounting hole.
Preferably, the bottom of the sink is equipped with funnelform leak-off chute at heat-dissipating pipe top port.
Preferably, the ventilating mechanisms include the ventilation opening being located in housing sidewall, are equipped with and its section in the ventilation opening
The matched Air Filter of face shape, the ventilation opening is interior to be equipped with blower, is equipped with duct-like pod, the water conservancy diversion in the shell
One end section of cover is less than the other end, and the small one end in the pod section is connected to ventilation opening, and the pod section is greatly
The wind deflector being parallel to each other equidistantly is equipped with inside one end.
Preferably, the bottom of the water tank is equipped with control box, is equipped with microcontroller, the microcontroller in the control box
It is connect by conducting wire with delivery pump, control valve, blower, temperature sensor, water level sensor, the temperature sensor, water level pass
Sensor is fixed on mounting rack, and the mounting rack is fixed in water tank.
Preferably, cooling fin normal thereto is evenly equipped on the outer wall of the shell, the cooling fin is stainless steel substrates.
A kind of bottomless electrode DC electric arc furnaces rectifier transformer proposed by the present invention, beneficial effect are: the present invention adopts
It is radiated with the mode that air-cooled water cooling combines, in addition good heat dissipation effect rationally utilizes rainwater and moisture evaporative heat loss, cleaning
Environmental protection, it is energy saving.
Detailed description of the invention
Fig. 1 is a kind of front view of bottomless electrode DC electric arc furnaces rectifier transformer proposed by the present invention；
Fig. 2 is the structural schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram in Fig. 1 at B；
Fig. 4 is a kind of side view of bottomless electrode DC electric arc furnaces rectifier transformer proposed by the present invention；
Fig. 5 is a kind of system block diagram of bottomless electrode DC electric arc furnaces rectifier transformer proposed by the present invention.
In figure: shell 1, control valve 3, water receiving cover 4, leak-off chute 5, water inlet 6, return pipe 7, heat-dissipating pipe 8, leads to water inlet pipe 2
Air port 9, blower 10, Air Filter 11, coil 12, sink 13, delivery pump 14, water tank 15, control box 16, mounting rack 17, temperature pass
Sensor 18, iron core 19, mounting hole 20, mounting plate 21, cooling fin 22, binding post 23, wind deflector 24, pod 25, radiating groove 26,
Water level sensor 27.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of bottomless electrode DC electric arc furnaces rectifier transformer, including shell 1, shell 1 are interior equipped with more
A iron core 19, iron core 19 have been externally wrapped with coil 12, and the top two sides of shell 1 are equipped with multiple binding posts 23, the bottom sides of shell 1
Edge is connected with mounting plate 21, and mounting plate 21 is equipped with mounting hole 20.Mounting plate 21 is for being fixed shell 1.Mounting hole 20
Installation is fixed to mounting plate 21 for convenient, iron core 19, coil 12, binding post 23 for realizing transformer basic training
Energy.
Cooling fin 22 normal thereto is evenly equipped on the outer wall of shell 1, cooling fin 22 is stainless steel substrates.Cooling fin 22 is used for
The surface machine for increasing shell 1 is radiated by increasing heat exchange area realization, is made of stainless steel, can be improved corrosion resistance,
In addition the heating conduction of stainless steel is preferable, helps to radiate.
The top of shell 1 is equipped with sink 13, and the top edge of sink 13 is connected with water receiving cover 4, and the top of sink 13 opens up
There is the water inlet 6 of multiple strips, the bottom of shell 1 is equipped with water tank 15, between the bottom of sink 13 and the top of water tank 15
Multiple heat-dissipating pipes 8 are vertically connected with, an iron core 19 is arranged heat-dissipating pipe 8 therethrough, and the inner wall of heat-dissipating pipe 8 is continuously provided with ring
The radiating groove 26 of shape, the section of radiating groove 26 are V-arrangement, are equipped with delivery pump 14, the water outlet of delivery pump 14 and reflux in water tank 15
One end of pipe 7 connects, and the other end of return pipe 7 is connect with the top side of sink 13, the top other side of sink 13 and water inlet
Pipe 2 connects, and water inlet pipe 2 is equipped with control valve 3, and the two sides of shell 1 are equipped with ventilating mechanisms.Sink 13 is for collecting rainwater, separately
It is also convenient for moisture evaporation outside to cool down, water receiving cover 4 can increase the range for collecting rainwater, and water flows through the process of heat-dissipating pipe 8 later
Inside iron core 19, the heat generated in the work of iron core 19 can be effectively taken away, radiating groove 26 makes the inner wall of heat-dissipating pipe 8 in sawtooth
Shape effectively increases 8 inner wall area of heat-dissipating pipe, is radiated by increasing heat exchange area, improves radiating and cooling effect.
The bottom of sink 13 is equipped with funnelform leak-off chute 5 at 8 top port of heat-dissipating pipe.Leak-off chute 5 can facilitate
Water flow enters in heat-dissipating pipe 8.
Ventilating mechanisms include the ventilation opening 9 being located on 1 side wall of shell, are equipped in ventilation opening 9 matched with its cross sectional shape
Air Filter 11, ventilation opening 9 is interior to be equipped with blower 10, is equipped with duct-like pod 25 in shell 1, an end section of pod 25 is small
In the other end, the small one end in 25 section of pod is connected to ventilation opening 9, and 25 section of pod is equidistantly equipped with phase inside big one end
Mutually parallel wind deflector 24.Blower 10 can increase the flowing of 1 inner air of shell, achieve the purpose that cooling, and pod 25 guides
The outer gas stream that blower 10 sucks using the dredging of wind deflector 24, makes to blow to iron core 19 and coil 12 in air flow collection, facilitate
To uniformly being cooled down inside shell 1, in the ventilating mechanisms of 1 two sides of shell, wherein the blower 10 of side is used for exhausting,
The blower 10 of the other side is used for air draft, so that inner air and outer air can exchange.
The bottom of water tank 15 be equipped with control box 16, control box 16 in be equipped with microcontroller, microcontroller by conducting wire with it is defeated
Pump 14, control valve 3, blower 10, temperature sensor 18, water level sensor 27 is sent to connect, temperature sensor 18, water level sensor 27
It is fixed on mounting rack 17, mounting rack 17 is fixed in water tank 15.Microcontroller is used to control the work of internal component, works as inspection
Measure temperature it is higher when control delivery pump 14 or blower 10 work cool down, when detecting that water level is low, then control valve 3 is opened
Open supplement cooling water.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of bottomless electrode DC electric arc furnaces rectifier transformer, including shell (1), shell (1) is interior to be equipped with multiple iron cores
(19), the iron core (19) has been externally wrapped with coil (12), and the top two sides of shell (1) are equipped with multiple binding posts (23), special
Sign is: the top of the shell (1) is equipped with sink (13), and the top edge of the sink (13) is connected with water receiving cover (4), institute
The water inlet (6) that multiple strips are offered at the top of sink (13) is stated, the bottom of the shell (1) is equipped with water tank (15),
It is vertically connected with multiple heat-dissipating pipes (8) between the bottom of the sink (13) and the top of water tank (15), the heat-dissipating pipe (8) is passed through
One of iron core (19) setting is worn, the inner wall of the heat-dissipating pipe (8) is continuously provided with the radiating groove (26) of annular, the heat dissipation
The section of slot (26) is V-arrangement, is equipped with delivery pump (14) in the water tank (15), the water outlet and return pipe of the delivery pump (14)
(7) one end connection, the other end of the return pipe (7) are connect with the top side of sink (13), the top of the sink (13)
The portion other side is connect with water inlet pipe (2), and the water inlet pipe (2) is equipped with control valve (3), and the two sides of shell (1) are equipped with ventilation
Mechanism.
2. a kind of bottomless electrode DC electric arc furnaces rectifier transformer according to claim 1, it is characterised in that: the shell
The bottom margin of body (1) is connected with mounting plate (21), and the mounting plate (21) is equipped with mounting hole (20).
3. a kind of bottomless electrode DC electric arc furnaces rectifier transformer according to claim 1, it is characterised in that: the water
The bottom of slot (13) is equipped with funnelform leak-off chute (5) at heat-dissipating pipe (8) top port.
4. a kind of bottomless electrode DC electric arc furnaces rectifier transformer according to claim 1, it is characterised in that: described logical
Blower structure includes the ventilation opening (9) being located on shell (1) side wall, is equipped in the ventilation opening (9) matched with its cross sectional shape
Air Filter (11), the ventilation opening (9) is interior to be equipped with blower (10), is equipped with duct-like pod (25) in the shell (1), institute
The end section for stating pod (25) is less than the other end, and the small one end in pod (25) section is connected to ventilation opening (9), institute
It states and is equidistantly equipped with the wind deflector (24) being parallel to each other inside the big one end in pod (25) section.
5. a kind of bottomless electrode DC electric arc furnaces rectifier transformer according to claim 4, it is characterised in that: the water
The bottom of case (15) is equipped with control box (16), is equipped with microcontroller in the control box (16), the microcontroller passes through conducting wire
It is connect with delivery pump (14), control valve (3), blower (10), temperature sensor (18), water level sensor (27), the temperature passes
Sensor (18), water level sensor (27) are fixed on mounting rack (17), and the mounting rack (17) is fixed in water tank (15).
6. a kind of bottomless electrode DC electric arc furnaces rectifier transformer according to claim 1, it is characterised in that: the shell
It is evenly equipped on the outer wall of body (1) cooling fin normal thereto (22), the cooling fin (22) is stainless steel substrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958969.8A CN109215943B (en) | 2018-08-22 | 2018-08-22 | Rectifier transformer for bottomless electrode direct current arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958969.8A CN109215943B (en) | 2018-08-22 | 2018-08-22 | Rectifier transformer for bottomless electrode direct current arc furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109215943A true CN109215943A (en) | 2019-01-15 |
| CN109215943B CN109215943B (en) | 2023-11-10 |
Family
ID=64989432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810958969.8A Active CN109215943B (en) | 2018-08-22 | 2018-08-22 | Rectifier transformer for bottomless electrode direct current arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109215943B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205946A (en) * | 2021-05-04 | 2021-08-03 | 陈杰龙 | Power transformer |
| CN113838640A (en) * | 2021-09-14 | 2021-12-24 | 江苏志博电气有限公司 | Oil-immersed transformer with fire extinguishing function and position adjusting function |
| CN114050035A (en) * | 2021-11-11 | 2022-02-15 | 珠海创宝电子科技有限公司 | Waterproof high-frequency transformer with harmonic wave elimination function |
| CN114334375A (en) * | 2022-01-13 | 2022-04-12 | 深圳市铭昱达电子有限公司 | Heat dissipation system and heat dissipation method of transformer |
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| CN104051137A (en) * | 2014-07-02 | 2014-09-17 | 杭州务实科技有限公司 | Transformer having the fast cooling function |
| KR20150048384A (en) * | 2013-10-28 | 2015-05-07 | 현대중공업 주식회사 | Oil immersed transformer |
| CN205542275U (en) * | 2016-03-01 | 2016-08-31 | 陈昊 | Multiform heat abstractor of transformer |
| CN206774353U (en) * | 2017-04-30 | 2017-12-19 | 圣特立集团有限公司 | A kind of transformer to radiate safely |
| CN207302823U (en) * | 2017-09-11 | 2018-05-01 | 申达电气集团有限公司 | A kind of on-load voltage regulation rectifier transformer |
| CN207397885U (en) * | 2017-11-16 | 2018-05-22 | 东莞市港龙电源设备有限公司 | A kind of transformer of good heat dissipation effect |
| CN207441427U (en) * | 2017-09-07 | 2018-06-01 | 云南晨鸣电器有限公司 | A kind of explosion-proof oil-immersed transformer |
| CN207624505U (en) * | 2017-11-30 | 2018-07-17 | 江苏和平动力机械有限公司 | A kind of cooling device for transformer easy to clean |
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2018
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| KR20150048384A (en) * | 2013-10-28 | 2015-05-07 | 현대중공업 주식회사 | Oil immersed transformer |
| CN104051137A (en) * | 2014-07-02 | 2014-09-17 | 杭州务实科技有限公司 | Transformer having the fast cooling function |
| CN205542275U (en) * | 2016-03-01 | 2016-08-31 | 陈昊 | Multiform heat abstractor of transformer |
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| CN207441427U (en) * | 2017-09-07 | 2018-06-01 | 云南晨鸣电器有限公司 | A kind of explosion-proof oil-immersed transformer |
| CN207302823U (en) * | 2017-09-11 | 2018-05-01 | 申达电气集团有限公司 | A kind of on-load voltage regulation rectifier transformer |
| CN207397885U (en) * | 2017-11-16 | 2018-05-22 | 东莞市港龙电源设备有限公司 | A kind of transformer of good heat dissipation effect |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205946A (en) * | 2021-05-04 | 2021-08-03 | 陈杰龙 | Power transformer |
| CN113838640A (en) * | 2021-09-14 | 2021-12-24 | 江苏志博电气有限公司 | Oil-immersed transformer with fire extinguishing function and position adjusting function |
| CN113838640B (en) * | 2021-09-14 | 2024-03-01 | 河北科杰电力器材制造有限公司 | Oil immersed transformer capable of extinguishing fire and adjusting position |
| CN114050035A (en) * | 2021-11-11 | 2022-02-15 | 珠海创宝电子科技有限公司 | Waterproof high-frequency transformer with harmonic wave elimination function |
| CN114334375A (en) * | 2022-01-13 | 2022-04-12 | 深圳市铭昱达电子有限公司 | Heat dissipation system and heat dissipation method of transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109215943B (en) | 2023-11-10 |
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