CN113299460B - Energy-saving environment-friendly oil-immersed high-speed rail autotransformer - Google Patents
Energy-saving environment-friendly oil-immersed high-speed rail autotransformer Download PDFInfo
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- CN113299460B CN113299460B CN202110540738.7A CN202110540738A CN113299460B CN 113299460 B CN113299460 B CN 113299460B CN 202110540738 A CN202110540738 A CN 202110540738A CN 113299460 B CN113299460 B CN 113299460B
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- shell
- main body
- fixedly arranged
- transformer main
- air bags
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H01F27/08—Cooling; Ventilating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an energy-saving environment-friendly oil-immersed high-speed rail autotransformer, which comprises the following components: a transformation device which can change an alternating voltage using a principle of electromagnetic induction, the transformation device including a case and a transformer body; the heat dissipation assembly is used for absorbing hot air in the shell and comprises a gas collecting part and a driving part, the gas collecting part is used for absorbing and transmitting heat emitted by an oil tank inside the transformer main body during working to the outside of the shell, and the driving part is used for controlling the gas collecting part to perform reciprocating gas suction and gas discharge. In the working process of the oil immersed high-speed railway autotransformer, at the moment, under the action of the driving part, the gas collecting part can perform reciprocating gas suction and gas discharge work, so that the effect of radiating heat in the shell is achieved, the transformer main body is ensured not to be in a high-temperature environment for a long time, and the possibility of potential safety hazards is reduced.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an energy-saving environment-friendly oil-immersed high-speed rail autotransformer.
Background
A distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core), wherein an oil-immersed transformer is a common one.
In the working process of the existing oil-immersed high-speed rail autotransformer, the oil temperature in an oil tank can continuously rise, and as the oil tank has no good heat dissipation structure, a transformer main body can work in a high-temperature environment for a long time, short circuit and damage are easy to occur, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the defects in the prior art that the oil temperature of the existing oil-immersed high-speed rail autotransformer is continuously increased in the working process, and the existing oil-immersed high-speed rail autotransformer generally adopts a device structure made of heat dissipation materials to insulate heat and the like of an oil tank in a transformer main body, but the cooling effect is poor, the oil tank is not easy to cool rapidly, the oil temperature in the oil-immersed high-speed rail autotransformer is easily caused to continuously increase under high-strength working, potential safety hazards exist, and the energy-saving and environment-friendly oil-immersed high-speed rail autotransformer is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an energy-saving and environment-friendly oil-immersed high-speed rail autotransformer, comprising:
the transformer device can change alternating voltage by utilizing the principle of electromagnetic induction and comprises a shell and a transformer main body, wherein the transformer main body is fixedly arranged in the shell, an oil tank is fixedly arranged on the upper surface and the lower surface of the inside of the transformer main body, and a winding group is fixedly arranged in the oil tank above;
the heat dissipation assembly is used for absorbing hot air in the shell and comprises a gas collecting part and a driving part, the gas collecting part is used for absorbing and transmitting heat emitted by an oil tank inside the transformer main body during working to the outside of the shell, and the driving part is used for controlling the gas collecting part to perform reciprocating gas suction and gas discharge.
Preferably, the gas collecting component comprises two air bags and two spring rods, wherein mounting plates are fixedly mounted on left and right shell walls in the shell, the two air bags are vertically and fixedly mounted on the two mounting plates respectively, the two spring rods are vertically and fixedly mounted in the two air bags respectively, the two ends of each spring rod are fixedly connected with the top wall and the bottom wall in the air bags respectively, an air outlet pipe and an air inlet pipe which are communicated with the air bags are fixedly mounted on left and right side walls, which are close to the lower end, of the air bags, one end, which is far away from the air bags, of each air outlet pipe penetrates out of the shell, one-way valves are arranged in the air outlet pipe and the air inlet pipe, the conduction direction of each one-way valve in the air outlet pipe is from the air bags to the outside of the shell, and the conduction direction of each one-way valve in the air inlet pipe is from the inside of the shell to the air bags.
Preferably, the driving part comprises a motor, a reciprocating screw rod, a sliding block and two pressing plates, wherein the motor is fixedly arranged on the upper surface of the shell, an output shaft penetrates into the shell and is vertically and fixedly arranged at one end of the reciprocating screw rod, the sliding block is in threaded sleeve joint with the reciprocating screw rod, the left side wall and the right side wall are horizontally and fixedly arranged at one end of the two pressing plates, and the two pressing plates are positioned above the two air bags, and the lower surface of the pressing plates is opposite to the upper surface of the air bags.
Preferably, the utility model discloses a transformer, including casing, transformer main body, movable block, first sponge strip, second sponge strip, control rotating rod, reciprocating screw thread and screw sleeve have been equipped with on the movable block to the perpendicular rotation of wall symmetry in the casing, two equal horizontal fixed mounting in the one side that the movable block is close to each other has the movable rod, the one end fixed mounting that the movable block was kept away from to the movable rod has the first sponge strip, two side wall sliding contact about with the transformer main body respectively is equipped with the control rotating rod in the casing.
Preferably, the transmission part comprises two rack bars, two worms, two gears and two worm gears, wherein the two rack bars are vertically and fixedly arranged on the lower surfaces of the two pressing plates, the two worms are respectively and vertically rotatably arranged on the left and right shell walls in the shell, the two gears are respectively fixedly sleeved with one ends, close to the two worms, of the two worm gears and are respectively in meshed connection with the two rack bars, and the two worm gears are respectively fixedly sleeved on the two rotating bars and are respectively in meshed connection with the two worms.
Preferably, two the rack bars are all perpendicular fixed mounting in the one side that is close to each other has the dead lever, two the one side that is close to each other of dead lever is all fixed mounting has the second sponge strip, two the one end that is close to each other of second sponge strip respectively with the left and right sides wall sliding contact of transformer main part.
Preferably, both the rotating rods are fixedly sleeved with rotating blades, and the rotating blades are positioned below the moving block.
Preferably, the upper surface of the shell is vertically provided with a plurality of heat dissipation holes communicated with the inside of the shell.
Compared with the prior art, the invention has the beneficial effects that:
1. in the working process of the oil immersed high-speed railway autotransformer, at the moment, under the action of the driving part, the gas collecting part can perform reciprocating gas suction and gas discharge work, so that hot gas in the shell can be continuously absorbed and sprayed out of the shell, the effect of radiating the heat in the shell is achieved, the transformer main body is ensured not to be in a high-temperature environment for a long time, and the possibility of potential safety hazards is reduced.
2. The radiating component is in the process of radiating work in the shell, at this moment under the effect of transmission part, a plurality of first sponge strips and second sponge strips can carry out reciprocating type clearance work to the left and right sides wall of transformer main part, guarantee not to have the dust to pile up the phenomenon of the left and right sides wall and then leading to the unable emission of the inside heat of transformer main part at the transformer main part.
Drawings
Fig. 1 is a schematic cross-sectional view of a part of a three-dimensional structure of an energy-saving environment-friendly oil-immersed high-speed rail autotransformer;
fig. 2 is a schematic diagram of a front structure of an energy-saving and environment-friendly oil-immersed high-speed rail autotransformer according to the present invention;
fig. 3 is a schematic diagram of a partial cross-sectional structure of an energy-saving and environment-friendly oil-immersed high-speed rail autotransformer according to the present invention;
FIG. 4 is an enlarged view of the structure shown at A in FIG. 2;
fig. 5 is an enlarged view of the structure at B in fig. 3.
In the figure: 1 shell, 2 transformer main body, 3 oil tanks, 4 winding groups, 5 air bags, 6 mounting plates, 7 air outlet pipes, 8 air inlet pipes, 9 spring rods, 10 motors, 11 reciprocating screw rods, 12 sliding blocks, 13 pressing plates, 14 rotating rods, 15 heat dissipation holes, 16 moving blocks, 17 moving rods, 18 first sponge strips, 19 rack rods, 20 worms, 21 gears, 22 worm wheels, 23 fixed rods, 24 second sponge strips and 25 rotating blades.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, an energy-saving and environment-friendly oil-immersed high-speed rail autotransformer, comprising:
the transformer device can change alternating voltage by utilizing the principle of electromagnetic induction and comprises a shell 1 and a transformer main body 2, wherein the transformer main body 2 is fixedly arranged in the shell 1, an oil tank 3 is fixedly arranged on the upper surface and the lower surface of the inside, and a winding group 4 is fixedly arranged in the upper oil tank 3;
the heat dissipation assembly is used for absorbing hot air in the shell 1 and comprises a gas collecting component and a driving component, the gas collecting component is used for absorbing and transmitting heat emitted by the internal oil tank 3 of the transformer main body 2 during working to the outside of the shell 1, and the driving component is used for controlling the gas collecting component to perform reciprocating type gas suction and gas discharge.
In the embodiment of the technical scheme, the oil-immersed high-speed railway autotransformer is operated, at this time, under the action of the driving component, the gas collecting component can perform reciprocating gas suction and gas discharge, so that hot gas in the shell 1 can be continuously absorbed and sprayed out of the shell 1, the effect of radiating heat in the shell 1 is achieved, the transformer main body 2 is ensured not to be in a high-temperature environment for a long time, and the possibility of potential safety hazards is reduced.
According to the preferred technical scheme in the embodiment, the gas collecting component comprises two air bags 5 and two spring rods 9, wherein mounting plates 6 are fixedly mounted on the left and right shell walls in the shell 1, the two air bags 5 are respectively and vertically fixedly mounted on the two mounting plates 6, the two spring rods 9 are respectively and vertically fixedly mounted in the two air bags 5, two ends of the spring rods are respectively and fixedly connected with the top wall and the bottom wall in the air bags 5, the left and right side walls, close to the lower ends, of the air bags 5 are fixedly mounted with an air outlet pipe 7 and an air inlet pipe 8 which are communicated with the air bags, one end, far away from the air bags 5, of the air outlet pipe 7 penetrates out of the shell 1, one-way valves are arranged in the air outlet pipe 7 and the air inlet pipe 8, the conducting direction of the one-way valves in the air outlet pipe 7 is from the air bags 5 to the outside of the shell 1, and the conducting direction of the one-way valves in the air inlet pipe 8 is from the inside of the shell 1 to the air bags 5. When the air bag 5 is extruded and deformed, the internal space becomes smaller, the pressure is increased, the air in the air bag 5 is extruded from the air outlet pipe 7, when the air bag 5 is not extruded any more, the air bag 5 is quickly reset under the action of the spring rod 9, so that the internal volume becomes larger, the pressure is reduced, the hot air in the shell 1 is sucked into the shell from the air inlet pipe 8, and the hot air is discharged out of the shell 1 when the air bag is extruded next time.
In the preferred technical scheme of this embodiment, the driving part includes motor 10, reciprocating screw 11, slider 12 and two clamp plates 13, and motor 10 fixed mounting is at the upper surface of casing 1 and the output shaft penetrates in the casing 1 with reciprocating screw 11 one end vertical fixed mounting, slider 12 screw thread cup joint on reciprocating screw 11 and control lateral wall and two clamp plates 13's one end level fixed mounting, and two clamp plates 13 are located the top and the lower surface of two air bags 5 and are relative with the upper surface of air bag 5. When the motor 10 is started, the two pressing plates 13 reciprocate in the vertical direction, so that the lower air bag 5 is pressed in a reciprocating manner.
In the preferred technical scheme in this embodiment, a rotating rod 14 is symmetrically and vertically rotatably installed on the inner bottom wall of a shell 1, a reciprocating thread is arranged on the rotating rod 14, a moving block 16 is sleeved on the thread, a moving rod 17 is horizontally and fixedly installed on one surface of each moving block 16, which is close to each other, a first sponge strip 18 is fixedly installed on one end of the moving rod 17, which is far away from the moving block 16, the two first sponge strips 18 are respectively in sliding contact with the left side wall and the right side wall of a transformer main body 2, and a transmission part for controlling the rotating rod 14 to rotate is arranged in the shell 1. When the rotating rod 14 rotates, the moving block 16 in threaded sleeve connection with the rotating rod 14 can carry the first sponge strip 18 to reciprocate in the vertical direction, the first sponge strip 18 can carry out reciprocating cleaning work on the left and right side walls of the transformer main body 2, and therefore the phenomenon that dust is accumulated on the left and right side walls of the transformer main body 2 and then heat inside the transformer main body 2 cannot be emitted is avoided.
In the preferred technical scheme of this embodiment, the transmission part includes two rack bars 19, two worms 20, two gears 21 and two worm gears 22, two rack bars 19 perpendicular fixed mounting are at the lower surface of two clamp plates 13, two worms 20 respectively with the inside and outside shell wall perpendicular rotation installation of casing 1, two gears 21 respectively with two worm 20 be close to one end fixed sleeve joint and respectively with two rack bars 19 meshing connection, two worm gears 22 respectively fixed sleeve joint on two dwang 14 and respectively with two worm 20 meshing connection. The rack bar 19 moves in a vertical direction along with the pressing plate 13 in a reciprocating manner, so that the gear 21 which is in meshed connection with the rack bar 19 and fixedly sleeved on the worm 20 rotates with the worm 20 during the pressing process, and the worm wheel 22 which is in meshed connection with the worm 20 and fixedly sleeved on the rotating rod 14 rotates with the rotating rod 14 during the pressing process.
In the preferred technical solution in this embodiment, the faces of the two rack bars 19 close to each other are all vertically and fixedly provided with the fixing bars 23, the faces of the two fixing bars 23 close to each other are all fixedly provided with the second sponge bars 24, and the ends of the two second sponge bars 24 close to each other are respectively in sliding contact with the left and right side walls of the transformer main body 2. When the rack bar 19 reciprocates along with the pressing plate 13 in the vertical direction, the fixing bar 23 also carries the second sponge bar 24 to clean the left and right side walls of the transformer main body 2, so that the phenomenon that dust is accumulated on the left and right side walls of the transformer main body 2 and then heat inside the transformer main body 2 cannot be emitted is avoided.
In the preferred technical solution in this embodiment, both rotating rods 14 are fixedly sleeved with rotating blades 25, and the rotating blades 25 are located below the moving block 16. The rotary vane 25 rotates along with the rotation of the rotary lever 14, so that the flow rate of the gas in the housing 1 can be increased, thereby increasing the heat dissipation efficiency.
In the preferred technical solution of this embodiment, the upper surface of the housing 1 is vertically provided with a plurality of heat dissipation holes 15 communicating with the inside thereof. The hot air in the housing 1 can also fly out of the housing 1 through the heat-radiating holes 15.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. An energy-saving and environment-friendly oil-immersed high-speed rail autotransformer, which is characterized by comprising:
the transformer device can change alternating current voltage by utilizing the principle of electromagnetic induction and comprises a shell (1) and a transformer main body (2), wherein the transformer main body (2) is fixedly arranged in the shell (1), an oil tank (3) is fixedly arranged on the upper surface and the lower surface of the inside of the transformer main body, and a winding group (4) is fixedly arranged in the oil tank (3) above;
the heat dissipation assembly is used for absorbing hot air in the shell (1), and comprises a gas collecting component and a driving component, wherein the gas collecting component is used for absorbing and transmitting heat emitted by an internal oil tank (3) of the transformer main body (2) to the outside of the shell (1) when the transformer main body works, and the driving component is used for controlling the gas collecting component to perform reciprocating gas suction and gas discharge;
the gas collecting component comprises two air bags (5) and two spring rods (9), wherein mounting plates (6) are fixedly arranged on the left and right shell walls in the shell (1), two air bags (5) are respectively and vertically fixedly arranged on the two mounting plates (6), the two spring rods (9) are respectively and vertically fixedly arranged in the two air bags (5) and the two ends of the spring rods are respectively and fixedly connected with the top wall and the bottom wall in the air bags (5), an air outlet pipe (7) and an air inlet pipe (8) which are communicated with the air bags (5) are fixedly arranged on the left and right side walls, close to the lower end, of the air bags (5), one end, far away from the air bags (5), of each air outlet pipe (7) penetrates out of the shell (1), one-way valves are arranged in the air outlet pipe (7) and the air inlet pipe (8), the conduction direction of each one-way valve in the air outlet pipe (7) is from the inside of the shell (5) to the outside of the shell (1), and the conduction direction of each one-way valve in the air inlet pipe (8) is from the inside the shell (1).
The driving component comprises a motor (10), a reciprocating screw rod (11), a sliding block (12) and two pressing plates (13), wherein the motor (10) is fixedly arranged on the upper surface of the shell (1), an output shaft penetrates into the shell (1) and is vertically and fixedly arranged at one end of the reciprocating screw rod (11), the sliding block (12) is in threaded sleeve connection with the reciprocating screw rod (11), the left side wall and the right side wall are horizontally and fixedly arranged at one end of the two pressing plates (13), and the two pressing plates (13) are positioned above the two air bags (5) and the lower surface of the two pressing plates is opposite to the upper surface of the air bags (5);
the inner bottom wall of the shell (1) is symmetrically and vertically rotatably provided with a rotating rod (14), the rotating rod (14) is provided with reciprocating threads, the threads are sleeved with a moving block (16), one faces, close to each other, of the two moving blocks (16) are horizontally and fixedly provided with moving rods (17), one end, far away from the moving block (16), of each moving rod (17) is fixedly provided with a first sponge strip (18), the two first sponge strips (18) are respectively in sliding contact with the left side wall and the right side wall of the transformer main body (2), and a transmission part for controlling the rotating rod (14) to rotate is arranged in the shell (1); the transmission part comprises two rack bars (19), two worms (20), two gears (21) and two worm gears (22), wherein the two rack bars (19) are vertically and fixedly arranged on the lower surfaces of the two pressing plates (13), the two worms (20) are respectively and vertically rotatably arranged on the left and right shell walls in the shell (1), the two gears (21) are respectively fixedly sleeved with one ends, close to each other, of the two worms (20) and are respectively in meshed connection with the two rack bars (19), and the two worm gears (22) are respectively and fixedly sleeved on the two rotating rods (14) and are respectively in meshed connection with the two worms (20);
one side, close to each other, of the two rack bars (19) is vertically and fixedly provided with a fixed bar (23), one side, close to each other, of the two fixed bars (23) is fixedly provided with a second sponge bar (24), and one end, close to each other, of the two second sponge bars (24) is respectively in sliding contact with the left side wall and the right side wall of the transformer main body (2);
the two rotating rods (14) are fixedly sleeved with rotating blades (25), and the rotating blades (25) are positioned below the moving block (16).
2. The energy-saving and environment-friendly oil-immersed high-speed rail autotransformer according to claim 1, wherein a plurality of radiating holes (15) communicated with the inside of the shell (1) are vertically formed on the upper surface of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540738.7A CN113299460B (en) | 2021-05-18 | 2021-05-18 | Energy-saving environment-friendly oil-immersed high-speed rail autotransformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540738.7A CN113299460B (en) | 2021-05-18 | 2021-05-18 | Energy-saving environment-friendly oil-immersed high-speed rail autotransformer |
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| Publication Number | Publication Date |
|---|---|
| CN113299460A CN113299460A (en) | 2021-08-24 |
| CN113299460B true CN113299460B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110540738.7A Active CN113299460B (en) | 2021-05-18 | 2021-05-18 | Energy-saving environment-friendly oil-immersed high-speed rail autotransformer |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08181020A (en) * | 1994-12-22 | 1996-07-12 | Aichi Electric Co Ltd | Oil transformer with conservator |
| CN107910159A (en) * | 2017-11-29 | 2018-04-13 | 钟光文 | A kind of transformer for carrying heat sinking function |
| CN209657955U (en) * | 2019-03-14 | 2019-11-19 | 重庆中发电力变压器有限公司 | Distribution transformer is operated outside a kind of low pressure |
| CN209843435U (en) * | 2019-05-08 | 2019-12-24 | 江西宇恒电气有限公司 | Heat radiator in oil-immersed transformer |
| CN209929093U (en) * | 2019-04-10 | 2020-01-10 | 保定市天利变压器有限公司 | Transformer with good heat dissipation |
| CN111601479A (en) * | 2020-05-19 | 2020-08-28 | 黑龙江工业学院 | Computer system for real-time caption filling of foreign language audio image data |
| CN212542161U (en) * | 2020-10-27 | 2021-02-12 | 山东晨宇电气股份有限公司 | Energy-saving and environment-friendly oil-immersed high-speed rail autotransformer |
| CN212724899U (en) * | 2020-09-05 | 2021-03-16 | 浙江西变电力设备有限公司 | Oil-immersed transformer with self-cleaning function |
| CN112648860A (en) * | 2020-12-07 | 2021-04-13 | 南京卡曼奇工程技术有限公司 | Heating equipment with dust removal function |
-
2021
- 2021-05-18 CN CN202110540738.7A patent/CN113299460B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08181020A (en) * | 1994-12-22 | 1996-07-12 | Aichi Electric Co Ltd | Oil transformer with conservator |
| CN107910159A (en) * | 2017-11-29 | 2018-04-13 | 钟光文 | A kind of transformer for carrying heat sinking function |
| CN209657955U (en) * | 2019-03-14 | 2019-11-19 | 重庆中发电力变压器有限公司 | Distribution transformer is operated outside a kind of low pressure |
| CN209929093U (en) * | 2019-04-10 | 2020-01-10 | 保定市天利变压器有限公司 | Transformer with good heat dissipation |
| CN209843435U (en) * | 2019-05-08 | 2019-12-24 | 江西宇恒电气有限公司 | Heat radiator in oil-immersed transformer |
| CN111601479A (en) * | 2020-05-19 | 2020-08-28 | 黑龙江工业学院 | Computer system for real-time caption filling of foreign language audio image data |
| CN212724899U (en) * | 2020-09-05 | 2021-03-16 | 浙江西变电力设备有限公司 | Oil-immersed transformer with self-cleaning function |
| CN212542161U (en) * | 2020-10-27 | 2021-02-12 | 山东晨宇电气股份有限公司 | Energy-saving and environment-friendly oil-immersed high-speed rail autotransformer |
| CN112648860A (en) * | 2020-12-07 | 2021-04-13 | 南京卡曼奇工程技术有限公司 | Heating equipment with dust removal function |
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| CN113299460A (en) | 2021-08-24 |
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Effective date of registration: 20240229 Address after: 528308, South of Xinxi Second Road, Industrial Avenue, Lunjiao Xiyong, Lunjiao Intensive Industrial Zone, Shunde District, Foshan City, Guangdong Province (one of the fourth floors of the factory building of Fengqi Clothing Accessories Co., Ltd.) Applicant after: Foshan Defutong Electronics Co.,Ltd. Country or region after: China Address before: 528200 No. 5, real estate Road, Songgang Songxia Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Applicant before: Huang Xiuqin Country or region before: China |
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