CN110215633B - Support device with fireproof protection function for transformer - Google Patents
Support device with fireproof protection function for transformer Download PDFInfo
- Publication number
- CN110215633B CN110215633B CN201910493024.8A CN201910493024A CN110215633B CN 110215633 B CN110215633 B CN 110215633B CN 201910493024 A CN201910493024 A CN 201910493024A CN 110215633 B CN110215633 B CN 110215633B
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- China
- Prior art keywords
- fixedly connected
- transformer
- pulley
- controller
- frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/04—Removing or cutting-off the supply of inflammable material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/06—Hose or pipe bridges
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a support device with a fireproof protection function for a transformer, which comprises two supports, wherein the two supports are fixedly arranged on a telegraph pole, a fireproof monitoring device is arranged on each support, a lifting device is arranged on a cross frame, a telegraph pole fixing device is arranged on each support, a controller is arranged outside each support, a signal receiving end of the controller is electrically connected with a smoke sensor and a gas pressure sensor, and a power supply output end of the controller is electrically connected with a waterproof servo motor and an electromagnetic valve. The invention has the advantages of simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of transformer related equipment, in particular to a bracket device with a fireproof protection function for a transformer.
Background
In modern life, with the application of electric power becoming more and more extensive, the transformer is also more and more, but most current transformers are all directly fixed on the wire pole, and the transformer is generally fixed higher position, and people often can not directly touch, and the transformer can lead to the cable short circuit and burn because of various reasons in the use, because the cable is electrified when burning, this is very troublesome for the rescue.
Disclosure of Invention
The invention aims to solve the problems and designs a bracket device with a fireproof protection function for a transformer.
The technical scheme of the invention is that the bracket device with the fireproof protection function for the transformer comprises two brackets which are fixedly arranged on a telegraph pole, and the brackets are provided with fireproof monitoring devices which comprise carbon dioxide sleeves, carbon dioxide storage tanks, crossbearers, waterproof glass covers, air vents, smoke sensors, nozzle holes, smoke sensors and the like, wherein the carbon dioxide sleeves are fixedly connected with the brackets on the side surface of one side of each bracket, the carbon dioxide storage tanks are movably connected with the carbon dioxide sleeves in the carbon dioxide sleeves, the crossbearers are fixedly connected with the two brackets on the upper ends of the two brackets, the waterproof glass covers are fixedly connected with the crossbearers in the centers of the lower surfaces of the crossbearers, the air vents are uniformly distributed in the centers of the lower surfaces of the waterproof glass covers, the smoke sensors are fixedly connected with the crossbearers in the waterproof glass covers, the nozzle, The carbon dioxide storage tank is characterized in that a conveying pipe which is positioned above the nozzle and fixedly connected with the carbon dioxide storage tank, an electromagnetic valve which is positioned on the conveying pipe and fixedly connected with the conveying pipe and an air pressure sensor which is positioned on one side of the electromagnetic valve and fixedly connected with the conveying pipe jointly form the transverse frame, a lifting device is arranged on the transverse frame, and the lifting device comprises a waterproof servo motor which is positioned above the transverse frame and fixedly connected with the transverse frame, a waterproof servo motor starting device which is positioned inside the waterproof servo motor, a speed reducer which is positioned at the rotating end of the waterproof servo motor and fixedly connected with the waterproof servo motor, a rope winding drum which is positioned at the output end of the speed reducer and fixedly connected with the output end of the speed reducer, four steel wire ropes which are positioned on the rope winding drum and fixedly connected with the rope winding drum, a pulley frame which is positioned at the center of the upper surface of the transverse frame and fixedly connected, Two pulley support that are located two support upper surface one end both sides and two support fixed connection, be located on two pulley support with two pulley support fixed connection's little pulley shaft, be located little pulley shaft both ends and little pulley shaft fixed connection and with two little pulleys of wire rope swing joint and be located support below and four wire rope fixed connection's transformer base constitute jointly, be equipped with wire pole fixing device on the support, the support is equipped with the controller outward, the signal receiving terminal and the smoke transducer and the baroceptor electric connection of controller, the power output end and waterproof servo motor and the solenoid valve electric connection of controller.
The telegraph pole fixing device is composed of four arc-shaped fixing frames, fixing holes, stud bolts and nuts, wherein the four arc-shaped fixing frames are located on the upper end and the lower end of one side of the support and are fixedly connected with the support, the fixing holes are formed in one ends of the four arc-shaped fixing frames, the stud bolts are located in the fixing holes and are movably connected with the fixing holes, and the nuts are located on the stud bolts and are in threaded connection with the.
The lower surface of the carbon dioxide sleeve is provided with drain holes which are uniformly distributed.
The waterproof glass cover is made of high-strength transparent glass.
The nozzle is composed of a high-pressure atomizing nozzle.
The transformer is mounted on the transformer base.
The arc-shaped fixing frame is used for fixing the telegraph pole.
And a PLC system is arranged in the controller.
And the controller is provided with a capacitive display screen, a control button and a switch button.
The controller is provided with an electricity utilization interface, and the electricity utilization interface is electrically connected with an external power supply.
According to the bracket device with the fireproof protection function for the transformer, which is manufactured by the technical scheme of the invention, when a cable on the transformer is on fire, the fireproof monitoring device is used for detecting whether the transformer is on fire or not, and simultaneously extinguishing the transformer, and then the transformer is separated from the cable through the lifting device, so that the cable is prevented from being on fire to damage the transformer.
Drawings
Fig. 1 is a schematic structural diagram of a bracket device with a fire protection function for a transformer according to the present invention;
FIG. 2 is an enlarged view of a portion of the lift of the present invention;
fig. 3 is a schematic view of a sheave yoke according to the present invention;
FIG. 4 is a schematic view of the sheave bracket of the present invention;
FIG. 5 is a schematic view of the fastening device of the present invention;
FIG. 6 is a schematic view of the controller of the present invention;
in the figure, 1, a bracket; 2. a carbon dioxide sleeve; 3. a carbon dioxide storage tank; 4. a cross frame; 5. a waterproof glass cover; 6. air holes are formed; 7. a smoke sensor; 8. a nozzle hole; 9. a nozzle; 10. a delivery pipe; 11. an electromagnetic valve; 12. an air pressure sensor; 13. a waterproof servo motor; 14. a waterproof servo motor starting device; 15. a speed reducer; 16. a rope drum; 17. a wire rope; 18. a pulley yoke; 19. a pulley shaft; 20. a pulley; 21. a pulley bracket; 22. a small pulley shaft; 23. a small pulley; 24. a transformer base; 25. a controller; 26. an arc-shaped fixing frame; 27. a fixing hole; 28. a stud; 29. a nut; 30. a drain hole; 31. a PLC system; 32. a capacitive display screen; 33. a control button; 34. a switch button; 35. an electrical interface.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-6, a bracket device with fire protection function for a transformer comprises two brackets 1, the two brackets 1 are fixedly mounted on a telegraph pole, the brackets 1 are provided with fire protection monitoring devices, and the fire protection monitoring devices comprise carbon dioxide sleeves 2 fixedly connected with the brackets 1 on the side surface of one side of the brackets 1, carbon dioxide storage tanks 3 movably connected with the carbon dioxide sleeves 2 in the carbon dioxide sleeves 2, crossbars 4 fixedly connected with the two brackets 1 at the upper ends of the two brackets 1, waterproof glass covers 5 fixedly connected with the crossbars 4 at the centers of the lower surfaces of the crossbars 4, vent holes 6 uniformly distributed at the centers of the lower surfaces of the waterproof glass covers 5, smoke sensors 7 fixedly connected with the crossbars 4 in the waterproof glass covers 5, The device comprises nozzle holes 8 which are uniformly distributed on the lower surface of a transverse frame 4, a nozzle 9 which is positioned on the nozzle holes 8 and fixedly connected with the nozzle holes 8, a delivery pipe 10 which is positioned above the nozzle 9 and fixedly connected with a carbon dioxide storage tank 3, an electromagnetic valve 11 which is positioned on the delivery pipe 10 and fixedly connected with the delivery pipe 10, and an air pressure sensor 12 which is positioned on one side of the electromagnetic valve 11 and fixedly connected with the delivery pipe 10, wherein a lifting device is arranged on the transverse frame 4, and the lifting device comprises a waterproof servo motor 13 which is positioned above the transverse frame 4 and fixedly connected with the transverse frame 4, a waterproof servo motor starting device 14 which is positioned inside the waterproof servo motor 13, a speed reducer 15 which is positioned at the rotating end of the waterproof servo motor 13 and fixedly connected with the waterproof servo motor 13, a rope winding drum 16 which is positioned at the output end of the speed reducer 15 and fixedly connected with the output, A pulley frame 18 which is positioned at the center of the upper surface of the cross frame 4 and is fixedly connected with the cross frame 4, two pulley shafts 19 which are positioned at two ends of the pulley frame 18 and are fixedly connected with the pulley frame 18, two pulleys 20 which are positioned at two ends of the pulley shafts 19 and are fixedly connected with the pulley shafts 19 and are movably connected with the steel wire ropes 17, two pulley brackets 21 which are positioned at two sides of one end of the upper surface of the two brackets 1 and are fixedly connected with the two brackets 1, small pulley shafts 22 which are positioned on the two pulley brackets 21 and are fixedly connected with the two pulley brackets 21, two small pulleys 23 which are positioned at two ends of the small pulley shafts 22 and are fixedly connected with the steel wire ropes 17 and transformer bases 24 which are positioned below the brackets 1 and are fixedly connected with the four steel wire ropes 17, wherein the brackets 1 are provided with telegraph pole fixing devices, a controller 25 is arranged outside the brackets 1, and the signal receiving end of the controller 25 is electrically connected, the power supply output end of the controller 25 is electrically connected with the waterproof servo motor and the electromagnetic valve; the telegraph pole fixing device is composed of four arc-shaped fixing frames 26, fixing holes 27, stud bolts 28 and nuts 29, wherein the four arc-shaped fixing frames 26 are positioned at the upper end and the lower end of one side of the support 1 and fixedly connected with the support 1, the fixing holes 27 are formed in one ends of the four arc-shaped fixing frames 26, the stud bolts 28 are positioned in the fixing holes 27 and movably connected with the fixing holes 27, and the nuts 29 are positioned on the stud bolts 28 and are in threaded connection with the; the lower surface of the carbon dioxide sleeve 2 is provided with drain holes 30 which are uniformly distributed; the waterproof glass cover 5 is made of high-strength transparent glass; the nozzle 9 is composed of a high-pressure atomizing nozzle; the transformer is arranged on the transformer base 24, and electric cable scissors are arranged on the transformer; the arc-shaped fixing frame 26 is used for fixing a telegraph pole; a PLC system 31 is arranged in the controller 25; the controller 25 is provided with a capacitive display screen 32, a control button 33 and a switch button 34; the controller 25 is provided with an electric interface 35, and the electric interface 35 is electrically connected with an external power supply.
The embodiment is characterized in that the bracket is provided with a fireproof monitoring device which is composed of a carbon dioxide sleeve which is positioned on the side surface of one side of the bracket and fixedly connected with the bracket, a carbon dioxide storage tank which is positioned in the carbon dioxide sleeve and movably connected with the carbon dioxide sleeve, a cross frame which is positioned at the upper end of the two brackets and fixedly connected with the two brackets, a waterproof glass cover which is positioned at the center of the lower surface of the cross frame and fixedly connected with the cross frame, air holes which are uniformly distributed at the center of the lower surface of the waterproof glass cover, smoke sensors which are positioned in the waterproof glass cover and fixedly connected with the cross frame, nozzle holes which are uniformly distributed at the lower surface of the cross frame, nozzles which are positioned on the nozzle holes and fixedly connected with the nozzle holes, a delivery pipe which is positioned above the nozzles and fixedly connected with the carbon dioxide storage tank, an electromagnetic valve which is positioned on the delivery pipe and, the lifting device is composed of a waterproof servo motor which is positioned above the cross frame and fixedly connected with the cross frame, a waterproof servo motor starting device which is positioned inside the waterproof servo motor, a speed reducer which is positioned at the rotating end of the waterproof servo motor and fixedly connected with the waterproof servo motor, a rope drum which is positioned at the output end of the speed reducer and fixedly connected with the output end of the speed reducer, four steel wire ropes which are positioned on the rope drum and fixedly connected with the rope drum, a pulley frame which is positioned at the center of the upper surface of the cross frame and fixedly connected with the cross frame, two pulley shafts which are positioned at the two ends of the pulley frame and fixedly connected with the pulley frame, two pulleys which are positioned at the two ends of the pulley shafts and fixedly connected with the pulley shafts and movably connected with the steel wire ropes, two pulley supports which are positioned at the two sides of the one end of the upper surface of the two supports and fixedly connected with the, The transformer base is located small pulley shaft both ends and small pulley shaft fixed connection and with wire rope swing joint's two small pulleys and be located support below and four wire rope fixed connection's transformer base and constitute jointly, through above-mentioned device, when the cable on the transformer catches fire, whether catch fire through fire prevention monitoring device detects the transformer, puts out it simultaneously, rethread elevating gear breaks away from transformer and cable, prevents that the cable from catching fire and damaging the transformer, this device simple structure, convenient operation.
In the embodiment, an electric interface on a controller is connected with an external power supply, a switch button on the controller is controlled to start equipment, the controller detects whether a fire disaster happens on a transformer through a smoke sensor, when the fire disaster happens, the smoke sensor sends a signal to the controller, the controller controls an electromagnetic valve to be opened, carbon dioxide in a carbon dioxide storage tank enters a conveying pipe through air pressure and is sprayed onto the transformer through a nozzle, when the smoke sensor detects that flame is extinguished, the controller controls an electric cable cutter to cut off the cable at the moment, the controller controls a waterproof servo motor to start working, the waterproof servo motor rotates to drive a rope winding drum to rotate, a steel wire rope is put down, the steel wire rope starts to slowly descend to the ground through a pulley and a small pulley, and only after the flame on the cable is completely extinguished at the moment, and then the cable is replaced by the worker, and the transformer is connected again.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a support device that is used for fire prevention protect function that has on transformer, includes two supports (1), its characterized in that, two supports (1) fixed mounting are on the wire pole, be equipped with fire prevention monitoring device on support (1), fire prevention monitoring device by be located on support (1) one side surface carbon dioxide sleeve (2) with support (1) fixed connection, be located carbon dioxide storage jar (3) of carbon dioxide sleeve (2) swing joint, be located two supports (1) upper end and two crossbearers (4) fixed connection, be located crossbearer (4) lower surface center department and crossbearer (4) fixed connection's waterproof glass cover (5), open in waterproof glass cover (5) lower surface center evenly distributed's bleeder vent (6), be located in waterproof glass cover (5) smoke transducer (7) with crossbearer (4) fixed connection, The device comprises a cross frame (4), a nozzle hole (8), a nozzle (9), a delivery pipe (10), an electromagnetic valve (11), an air pressure sensor (12), a lifting device and a motor, wherein the nozzle hole (8) is uniformly distributed on the lower surface of the cross frame (4), the delivery pipe (10) is positioned on the nozzle hole (8) and is fixedly connected with the nozzle hole (8), the delivery pipe (10) is positioned above the nozzle (9) and is fixedly connected with a carbon dioxide storage tank (3), the electromagnetic valve (11) is positioned on the delivery pipe (10) and is fixedly connected with the delivery pipe (10), the air pressure sensor (12) is positioned on one side of the electromagnetic valve (11) and is fixedly connected with the delivery pipe (10), the lifting device is arranged on the cross frame (4), and the lifting device comprises a waterproof servo motor (13) which is positioned above the cross frame (4) and is fixedly connected with the cross frame (4), a rope drum (16) fixedly connected with the output end of the speed reducer (15), four steel wire ropes (17) fixedly connected with the rope drum (16) and positioned on the rope drum (16), a pulley frame (18) fixedly connected with the cross frame (4) and positioned at the center of the upper surface of the cross frame (4), two pulley shafts (19) fixedly connected with the pulley frames (18) and positioned at the two ends of the pulley frame (18), two pulleys (20) fixedly connected with the pulley shafts (19) and movably connected with the steel wire ropes (17) and positioned at the two ends of the pulley shafts (19), two pulley supports (21) fixedly connected with the two supports (1) and positioned at the two sides of one end of the upper surface of the two supports (1), small pulley shafts (22) fixedly connected with the two pulley supports (21) and positioned at the two ends of the small pulley shafts (22) and movably connected with the steel wire ropes (17) and two small pulleys (23) positioned at the two ends of the small pulley shafts (22) The lower part of the frame (1) is jointly formed by a transformer base (24) fixedly connected with four steel wire ropes (17), a telegraph pole fixing device is arranged on the frame (1), a controller (25) is arranged outside the frame (1), a signal receiving end of the controller (25) is electrically connected with a smoke sensor and a gas pressure sensor, and a power supply output end of the controller (25) is electrically connected with a waterproof servo motor and an electromagnetic valve;
the telegraph pole fixing device is composed of four arc-shaped fixing frames (26) which are positioned at the upper end and the lower end of one side of the support (1) and fixedly connected with the support (1), fixing holes (27) formed in one ends of the four arc-shaped fixing frames (26), stud bolts (28) which are positioned in the fixing holes (27) and movably connected with the fixing holes (27), and nuts (29) which are positioned on the stud bolts (28) and are in threaded connection with the stud bolts (28); the lower surface of the carbon dioxide sleeve (2) is provided with drain holes (30) which are uniformly distributed;
the waterproof glass cover (5) is made of high-strength transparent glass; the nozzle (9) is composed of a high-pressure atomizing nozzle; the transformer is arranged on a transformer base (24), and an electric cable cutter is arranged on the transformer; the arc-shaped fixing frame (26) is used for fixing a telegraph pole; when the smoke sensor detects that flame is extinguished, the controller controls the electric cable shears to shear the cable, the controller controls the waterproof servo motor to start working, the waterproof servo motor rotates to drive the rope drum to start rotating, the steel wire rope is put down, and the steel wire rope descends the transformer base through the pulley and the small pulley, so that the transformer descends to the ground.
2. The bracket device with the fire protection function for the transformer according to claim 1, wherein a PLC system (31) is arranged in the controller (25).
3. The bracket device with the fire protection function for the transformer according to claim 1, wherein the controller (25) is provided with a capacitive display screen (32), a control button (33) and a switch button (34).
4. The bracket device with the fire protection function for the transformer according to claim 1, wherein the controller (25) is provided with an electric interface (35), and the electric interface (35) is electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493024.8A CN110215633B (en) | 2019-06-06 | 2019-06-06 | Support device with fireproof protection function for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493024.8A CN110215633B (en) | 2019-06-06 | 2019-06-06 | Support device with fireproof protection function for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110215633A CN110215633A (en) | 2019-09-10 |
| CN110215633B true CN110215633B (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910493024.8A Active CN110215633B (en) | 2019-06-06 | 2019-06-06 | Support device with fireproof protection function for transformer |
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| Country | Link |
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| CN (1) | CN110215633B (en) |
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| CN204010912U (en) * | 2014-09-04 | 2014-12-10 | 台力电气有限公司 | A kind of transformer |
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| CN107707998A (en) * | 2017-11-27 | 2018-02-16 | 杨静怡 | A kind of large-scale audio amplifier fixed framing device for being used for outdoor liftable and fixing |
| CN107818720A (en) * | 2017-10-17 | 2018-03-20 | 国网湖南省电力公司 | A kind of experiment porch and method for being used to simulate power cable fire |
| CN108305752A (en) * | 2018-05-03 | 2018-07-20 | 泉州市长亭电子科技有限公司 | A kind of transformer placing device |
| CN208461305U (en) * | 2017-11-14 | 2019-02-01 | 江苏同合电气有限公司 | A kind of box-type substation with self-extinguishing warning function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020076488A (en) * | 2001-03-28 | 2002-10-11 | 이상도. | The Earth Leakage Breaker System make Molded Case Circuit breaker as Earth Leakage Breaker. |
| WO2005115552A1 (en) * | 2004-05-26 | 2005-12-08 | John Owen Williams | Transformer and equipment oil spill containment system |
| CN202633799U (en) * | 2012-07-06 | 2012-12-26 | 江西伊发变压器有限公司 | Box-type transformer substation with temperature protection device |
| CN204010912U (en) * | 2014-09-04 | 2014-12-10 | 台力电气有限公司 | A kind of transformer |
| CN206312695U (en) * | 2016-12-19 | 2017-07-07 | 李松铭 | A kind of transformer-cabinet of install convenient |
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| CN110215633A (en) | 2019-09-10 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201014 Address after: 314000 Wenchuan Road 1288, Jingzhen, Wang Jiang, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Mingchun Textile Co., Ltd Address before: 323600 Yunhe County Station Road, Lishui City, Zhejiang Province, 28 Applicant before: Yao Ning |
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Denomination of invention: A support device with fire protection function for transformer Effective date of registration: 20210911 Granted publication date: 20201103 Pledgee: Zhejiang Hecheng Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Mingchun Textile Co., Ltd Registration number: Y2021330001535 |