CN210443480U - Intelligent dry-type power transformer with built-in arc extinguishing device - Google Patents
Intelligent dry-type power transformer with built-in arc extinguishing device Download PDFInfo
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- CN210443480U CN210443480U CN201921491090.3U CN201921491090U CN210443480U CN 210443480 U CN210443480 U CN 210443480U CN 201921491090 U CN201921491090 U CN 201921491090U CN 210443480 U CN210443480 U CN 210443480U
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- fixing base
- arc extinguishing
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Abstract
The utility model relates to a transformer correlation technique field specifically is an intelligent dry-type power transformer of built-in arc control device, including transformer body, transformer body's inner wall spiro union has the mounting bracket, and the skin weld of mounting bracket has the static contact, and transformer body's surface spiro union has the fixing base, and the skin weld of fixing base has damping spring, and the fixing base all welds on the surface of wind-guiding frame with damping spring, and the inside of wind-guiding frame is equipped with the ventilation hole, and beneficial effect is: fix the outside surface at the transformer with the fixing base, the outside surface at the fixing base is fixed to the air guide frame, and after wind-force and the contact of air guide frame, wind-force entered into the ventilation hole and discharged through the inclined plane of air guide frame, wind-force can not contact with the transformer, and then guaranteed the quality of transformer when using, improved the security, damping spring fixes between fixing base and air guide frame simultaneously, has improved the stability of air guide frame installation, is fit for promoting.
Description
Technical Field
The utility model relates to a transformer correlation technique field specifically is an intelligent dry-type power transformer of built-in arc control device.
Background
A power transformer is a stationary electrical device for changing an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values, and is one of the main devices of a power plant and a substation.
In the prior art, an arc extinguishing device is not generally arranged in an intelligent dry-type power transformer, when a static contact and a moving contact are closed or disconnected, the static contact and the moving contact and media around the contacts contain a large amount of electrons which can be dissociated, when enough external voltage exists between the disconnected contacts and the circuit current reaches the minimum arc generation current, the disconnected contacts can be strongly dissociated to form an electric arc, so that the circuit is continuously conducted, and certain danger exists; when the intelligent dry-type power transformer is used outdoors in strong wind weather, electric arcs generated by closing or opening of the static contact and the moving contact inside the intelligent dry-type power transformer can be contacted with internal elements under the action of wind power, so that the internal elements are burnt, the transformer can be ignited, and the use safety of the transformer is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intelligent dry-type power transformer of built-in arc control device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an intelligent dry-type power transformer with a built-in arc extinguishing device comprises a transformer body, wherein an installation frame is connected to the inner wall of the transformer body in a threaded manner, a static contact is welded to the surface of the installation frame, a moving contact is welded to the surface of the installation frame, installation seats are welded to the surfaces of the static contact and the moving contact respectively, a disconnecting link is connected to the surface of the installation seats in a rotating manner, a rotating rod is welded to the surface of the disconnecting link, a rotating groove is formed in the installation seats, the rotating rod is rotatably connected to the inside of the rotating groove, an arc extinguishing piece is rotatably connected to the inside of the installation seats, a rotating rod is welded to the surface of the installation seats, a rotating groove is formed in the arc extinguishing piece, the arc extinguishing piece is rotatably connected to the surface of the rotating rod through the rotating groove, a fixing seat is connected to the surface of the, and ventilation holes are formed in the air guide frame.
Preferably, the fixed contact and the moving contact are welded on two side portions of the surface of the mounting frame, the disconnecting link is rotatably connected on the surface of the mounting seat on the moving contact, the disconnecting link is composed of a group of concave-shaped plates and a group of rectangular plates, the rectangular plates are welded on the surfaces of horizontal portions of the concave-shaped plates, the rotary groove is of a round rod-shaped structure, and the rotary groove is welded on the inner walls of two groups of protruding portions of the concave-shaped plates.
Preferably, the arc extinguishing piece is rotatably connected to the lower end of the disconnecting link, the arc extinguishing piece is of a rectangular plate-shaped structure, the rotating rod is of a round rod-shaped structure, the rotating rod and the rotating rod are perpendicular to each other, the disconnecting link rotates in the vertical direction, and the arc extinguishing piece rotates in the horizontal direction.
Preferably, the fixing base is a structure shaped like a Chinese character 'tu', a plurality of groups of the fixing base and the damping springs are arranged, the damping springs are welded on the surface of the horizontal part of the fixing base, and the protruding part of the fixing base is welded on the surface of the air guide frame.
Preferably, the wind guide frame comprises a set of isosceles triangle shaped plate and two sets of rectangular plate, and the protruding part of fixing base and damping spring all weld the horizontal part of isosceles triangle shaped plate on the wind guide frame, and two sets of rectangular plate welds the both sides surface at the isosceles triangle shaped plate, and the ventilation hole is provided with the multiunit, and the multiunit ventilation hole sets up the inside at the rectangular plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the disconnecting link rotates on the surface of the mounting seat through the rotating rod, the moving contact and the static contact are closed or disconnected through the rotating disconnecting link, when the disconnecting link is closed or disconnected, the arc quenching sheet rotates on the surface of the rotating rod through the rotating groove, the arc quenching sheet rotates to the lower end of the disconnecting link through rotating, and then the generated electric arc can be extinguished, so that the structure is simple, the electric arc is quickly extinguished, and the use safety of the transformer is improved;
2. fix the outside surface at the transformer with the fixing base, the outside surface at the fixing base is fixed to the air guide frame, and after wind-force and the contact of air guide frame, wind-force entered into the ventilation hole and discharged through the inclined plane of air guide frame, wind-force can not contact with the transformer, and then guaranteed the quality of transformer when using, improved the security, damping spring fixes between fixing base and air guide frame simultaneously, has improved the stability of air guide frame installation, is fit for promoting.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure between the mounting rack and the disconnecting link of the present invention;
FIG. 3 is a schematic view of the connection structure of the knife switch and the arc extinguishing piece of the present invention;
fig. 4 is a schematic view of the connection structure between the fixing base and the air guide frame of the present invention.
In the figure: the transformer comprises a transformer body 1, an installation frame 2, a static contact 3, a movable contact 4, an installation base 5, a disconnecting link 6, a rotating rod 7, a rotating groove 8, an arc extinguishing piece 9, a rotating rod 10, a rotating groove 11, a fixed base 12, a damping spring 13, an air guide frame 14 and an air vent 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: an intelligent dry-type power transformer with a built-in arc extinguishing device comprises a transformer body 1, an installation frame 2 is connected to the inner wall of the transformer body 1 in a threaded mode, a static contact 3 is welded to the surface of the installation frame 2, a moving contact 4 is welded to the surface of the installation frame 2, installation seats 5 are welded to the surfaces of the static contact 3 and the moving contact 4, a disconnecting link 6 is rotatably connected to the surface of the installation seat 5, a rotating rod 7 is welded to the surface of the disconnecting link 6, a rotating groove 8 is formed in the installation seat 5, the rotating rod 7 is rotatably connected to the inside of the rotating groove 8, the static contact 3 and the moving contact 4 are welded to two side portions of the surface of the installation frame 2, the disconnecting link 6 is rotatably connected to the surface of the installation seat 5 on the moving contact 4, the disconnecting link 6 is composed of a group of concave-shaped plates and a group of rectangular plates, the rectangular plates are welded to the surfaces of the horizontal portions of, when the static contact 3 and the moving contact 4 need to be disconnected or closed, the disconnecting link 6 rotates on the surface of the mounting base 5 through the rotating rod 7, and the disconnecting link 6 is rotated to be in contact with and separated from the mounting base 5, so that the static contact 3 and the moving contact 4 can be disconnected or closed, and the structure is simple.
Referring to fig. 2 and 3, an arc extinguishing piece 9 is rotatably connected inside the mounting seat 5, a rotating rod 10 is welded on the surface of the mounting seat 5, a rotating groove 11 is arranged inside the arc extinguishing piece 9, the arc extinguishing piece 9 is rotatably connected on the surface of the rotating rod 10 through the rotating groove 11, the arc extinguishing piece 9 is rotatably connected at the lower end of the disconnecting link 6, the arc extinguishing piece 9 is in a rectangular plate-shaped structure, the rotating rod 10 is in a round rod-shaped structure, the rotating rod 7 and the rotating rod 10 are arranged perpendicular to each other, the disconnecting link 6 rotates in the vertical direction, the arc extinguishing piece 9 rotates in the horizontal direction, after the static contact 3 and the movable contact 4 are disconnected or closed, the arc quenching sheet 9 rotates on the surface of the rotating rod 10 through the rotating groove 11, the arc quenching sheet 9 rotates to the lower end of the disconnecting link 6, the arc generated between the static contact 3 and the moving contact 4 is cut off by the arc extinguishing piece 9, so that the safety of closing and opening the static contact 3 and the moving contact 4 is ensured.
Referring to fig. 1 and 4, the surface of transformer body 1 has a fixing base 12, the skin weld of fixing base 12 has damping spring 13, fixing base 12 is "protruding" font structure, fixing base 12 and damping spring 13 all are provided with the multiunit, multiunit damping spring 13 welds the horizontal part surface at fixing base 12, the salient of fixing base 12 welds the surface at wind-guiding frame 14, fix multiunit damping spring 13 on the surface at fixing base 12 and wind-guiding frame 14, because of damping spring 13's elastic action, wind-guiding frame 14 is when the effect that receives strong wind-force, multiunit damping spring 13 is to inner compression, slow down the impact force that wind-force produced to wind-guiding frame 14, and then guaranteed the stability that wind-guiding frame 14 used, excellent in use effect.
Referring to fig. 1 and 4, the fixing base 12 and the damping spring 13 are all welded on the surface of the air guide frame 14, the inside of the air guide frame 14 is provided with a vent hole 15, the air guide frame 14 is composed of a set of isosceles triangular plates and two sets of rectangular plates, the protruding part of the fixing base 12 and the damping spring 13 are all welded on the horizontal part of the isosceles triangular plates on the air guide frame 14, the two sets of rectangular plates are welded on the surfaces of the two sides of the isosceles triangular plates, the vent hole 15 is provided with multiple sets, the multiple sets of vent holes 15 are arranged inside the rectangular plates, the fixing base 12 is fixed on the outer side surface of the transformer body 1, the wind power around the transformer body 1 is contacted with the inclined surface of the air guide frame 14, then the wind power is discharged through the multiple sets of vent holes 15, the extrusion area and the.
The working principle is as follows: in actual operation, when the static contact 3 and the moving contact 4 need to be closed or opened, the knife switch 6 is adjusted, the knife switch 6 rotates on the surface of the mounting base 5 through the rotating rod 7, so that the static contact 3 and the moving contact 4 are closed or opened, after the knife switch 6 is adjusted, an electric arc is generated between the static contact 3 and the moving contact 4, the arc extinguishing piece 9 rotates inside the mounting base 5 through the rotating groove 11, the arc extinguishing piece 9 is arranged at the lower end of the knife switch 6, at the moment, the arc extinguishing piece 9 rotates to the lower end of the knife switch 6 through rotating the arc extinguishing piece 9, the generated electric arc can be cut off, so that the safety when the static contact 3 and the moving contact 4 are closed or opened is ensured, the structure is simple, the using effect is good, the fixing base 12 is fixed on the outer side surface of the transformer body 1, the air guide frame 14 is fixed on the surface of the fixing base 12, and in the using process, the air guide frame 14 guides, after the wind power contacts the surface of the wind guide frame 14, the wind power is discharged to the outer end through the plurality of groups of ventilation holes 15, the contact force degree and the area of the wind power and the transformer body 1 are reduced, the service quality of the transformer body 1 is further ensured, the damping spring 13 is fixed between the fixing seat 12 and the wind guide frame 14, the stability of installation of the wind guide frame 14 is improved through the damping spring 13, the service quality of the wind guide frame 14 is further ensured, meanwhile, when the static contact 3 and the moving contact 4 are closed or disconnected, the transformer body 1 cannot be ignited by the generated electric arc due to the fact that the electric arc is not influenced by the wind power, the safety of the transformer body 1 in use is further ensured, the use effect is good.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a built-in arc control device's intelligent dry-type power transformer, includes transformer body (1), its characterized in that: the transformer comprises a transformer body (1), wherein an installation frame (2) is connected to the inner wall of the transformer body in a threaded manner, a static contact (3) is welded to the surface of the installation frame (2), a moving contact (4) is welded to the surface of the installation frame (2), installation seats (5) are welded to the surfaces of the static contact (3) and the moving contact (4), a disconnecting link (6) is connected to the surface of the installation seat (5) in a rotating manner, a rotating rod (7) is welded to the surface of the disconnecting link (6), a rotating groove (8) is formed in the installation seat (5), the rotating rod (7) is rotatably connected to the inside of the rotating groove (8), an arc extinguishing piece (9) is rotatably connected to the inside of the installation seat (5), a rotating rod (10) is welded to the surface of the installation seat (5), a rotating groove (11) is formed in the inside of the arc extinguishing piece (9), and the arc extinguishing piece (, the surface spiro union of transformer body (1) has fixing base (12), the skin weld of fixing base (12) has damping spring (13), fixing base (12) and damping spring (13) all weld on the surface of wind-guiding frame (14), the inside of wind-guiding frame (14) is equipped with ventilation hole (15).
2. The intelligent dry-type power transformer with built-in arc extinguishing device according to claim 1, characterized in that: static contact (3) and moving contact (4) welding are in the both sides part on mounting bracket (2) surface, and switch (6) rotate to be connected on moving contact (4) the surface of mount pad (5), and switch (6) comprises a set of "concave" style of calligraphy shaped plate and a set of rectangular plate, and the rectangular plate welding is on the horizontal part surface of "concave" style of calligraphy shaped plate, and turning trough (8) are round rod-shaped structure, and turning trough (8) welding is in two sets of protruding part inner walls of "concave" style of calligraphy shaped plate.
3. The intelligent dry-type power transformer with built-in arc extinguishing device according to claim 1, characterized in that: put out arc piece (9) and rotate the lower extreme of connecting in switch (6), put out arc piece (9) and be rectangle platelike structure, dwang (10) are round rod-shaped structure, and dwang (7) and dwang (10) mutually perpendicular set up, and switch (6) rotate in vertical direction, and put out arc piece (9) and rotate in the horizontal direction.
4. The intelligent dry-type power transformer with built-in arc extinguishing device according to claim 1, characterized in that: the fixing seat (12) is of a convex structure, multiple groups of damping springs (13) are arranged on the fixing seat (12), the multiple groups of damping springs (13) are welded on the surface of the horizontal part of the fixing seat (12), and the protruding part of the fixing seat (12) is welded on the surface of the air guide frame (14).
5. The intelligent dry-type power transformer with built-in arc extinguishing device according to claim 1, characterized in that: air guide frame (14) comprise a set of isosceles triangle shaped plate and two sets of rectangular plate, and the protruding portion of fixing base (12) and damping spring (13) all weld the horizontal component at the isosceles triangle shaped plate on air guide frame (14), and two sets of rectangular plate welding are on the both sides surface of isosceles triangle shaped plate, and ventilation hole (15) are provided with the multiunit, and multiunit ventilation hole (15) set up the inside at the rectangular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491090.3U CN210443480U (en) | 2019-09-09 | 2019-09-09 | Intelligent dry-type power transformer with built-in arc extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491090.3U CN210443480U (en) | 2019-09-09 | 2019-09-09 | Intelligent dry-type power transformer with built-in arc extinguishing device |
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| Publication Number | Publication Date |
|---|---|
| CN210443480U true CN210443480U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921491090.3U Active CN210443480U (en) | 2019-09-09 | 2019-09-09 | Intelligent dry-type power transformer with built-in arc extinguishing device |
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| CN (1) | CN210443480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736708A (en) * | 2020-12-30 | 2021-04-30 | 湖南平高开关有限公司 | Box transformer substation capable of avoiding internal arcing fault risk |
-
2019
- 2019-09-09 CN CN201921491090.3U patent/CN210443480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736708A (en) * | 2020-12-30 | 2021-04-30 | 湖南平高开关有限公司 | Box transformer substation capable of avoiding internal arcing fault risk |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 No. 238, wei16 Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province (within Zhilin Power Equipment Co., Ltd.) Patentee after: Chenghe Electric Power Technology Group Co., Ltd Address before: 325600 No. 238, wei16 Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province (within Zhilin Power Equipment Co., Ltd.) Patentee before: Chenghe Electric Power Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |