CN218333424U - 110kV functional transformer - Google Patents
110kV functional transformer Download PDFInfo
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- CN218333424U CN218333424U CN202222533625.7U CN202222533625U CN218333424U CN 218333424 U CN218333424 U CN 218333424U CN 202222533625 U CN202222533625 U CN 202222533625U CN 218333424 U CN218333424 U CN 218333424U
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Abstract
The utility model relates to a 110kV function transformer, its characterized in that: the device comprises a sleeve, a top outlet box, an upper flange, a conductive pipe, an electrode, a transition flange, a shell and a device body; the functional transformer is arranged on the 110kV high-voltage platform, and the 110kV high voltage is converted into 200V voltage equipment for use by the functional transformer; the transformer is small in structure, is suitable for small-range power supply, reduces the manufacturing cost of the transformer, and can realize larger transformation ratio; the primary coil with the pagoda structure on the transformer body part has the advantages of uniform voltage distribution and good insulating property, the secondary coil with the layered transposition structure is adopted, the air passage is additionally arranged, so that winding loss is reduced, heat dissipation performance is improved, and compared with an oil-immersed transformer, the risk of flammability is reduced.
Description
Technical Field
The utility model relates to a functional transformer technical field especially relates to a 110kV functional transformer.
Background
The general 110kV high-voltage platform is provided with some devices needing power supply, and the devices use 220V voltage; the power supply of the devices needs to be provided with a functional transformer to convert the high voltage of 110kV into the low voltage of 220V for power supply, and meanwhile, the grounding requirement of a 110kV high-voltage platform needs to be met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a 110kV function transformer, can solve the power supply problem of 220V voltage equipment on general 110kV function transformer.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a 110kV function transformer which innovation point lies in: the device comprises a sleeve, a top outlet box, an upper flange, a conductive tube, an electrode, a transition flange, a shell and a device body;
the sleeve is of a cylindrical shell structure, and an umbrella skirt is arranged on the outer contour of the sleeve from top to bottom; an upper flange mounting seat is arranged on the outer contour of the top end of the sleeve; the lower surface of the upper flange is horizontally arranged at the top end of the sleeve through bolts, and a connecting hole is formed in the center of the upper flange; a top outlet box is arranged on the upper surface of the upper flange, a grading ring is circumferentially arranged on the outer side of the top outlet box, and the grading ring is locked on the upper surface of the upper flange through a connecting seat;
the conductive tube is arranged in the sleeve along the vertical direction, and the top end of the conductive tube is locked on the lower surface of the upper flange through a bolt; the electrode is nested on the outer contour of the conductive tube and is positioned at the position close to the bottom end of the conductive tube, and the electrode is connected to the transition flange through a bolt;
the transition flange is arranged at the bottom end of the sleeve, the bottom end of the sleeve is connected with the upper surface of the transition flange through a bolt, and a through hole for allowing the conductive pipe to pass through is formed in the center of the transition flange; the shell is of a cylindrical structure, the top end of the shell is provided with an opening, and the opening is connected with the lower surface of the transition flange; the two side surfaces of the shell are respectively provided with a wiring board mounting port and a pressure release device mounting port; sulfur hexafluoride gas is filled in the shell;
the transformer body is arranged in the shell and comprises an iron core, an iron core clamping piece, a primary coil, a secondary coil and a winding framework; the iron core clamping piece is arranged in the shell and is of a U-shaped structure; the iron core is horizontally arranged in the iron core clamp; the secondary coil is embedded on the iron core; the winding framework is nested on the secondary coil; the primary coil is nested on the winding framework; the output end of the primary coil leads out a primary lead, the other end of the primary lead penetrates out of the shell and penetrates through the conductive tube to be connected with the top wire outlet box, and the outer circular surface of the primary coil is an inclined surface gradually reduced from inside to outside.
Furthermore, a junction box is arranged at a junction box mounting opening on the shell, a junction plate is arranged in the junction box, and the junction plate is connected with the output end of the secondary coil; the secondary coil is of a layer-changing structure and forms an air channel.
Further, a pressure release device is installed at a pressure release device installation opening on the shell and used for releasing gas when the pressure in the shell is too high.
The utility model has the advantages that:
1) In the utility model, the functional transformer is arranged on the 110kV high-voltage platform, and the 110kV high voltage is converted into 200V voltage equipment for use by the functional transformer; the transformer is small in structure, is suitable for small-range power supply, reduces the manufacturing cost of the transformer, and can realize larger transformation ratio; the primary coil with the pagoda structure on the transformer body part has the advantages of uniform voltage distribution and good insulating property, the secondary coil with the layered transposition structure is adopted, the air passage is additionally arranged, so that winding loss is reduced, heat dissipation performance is improved, and compared with an oil-immersed transformer, the risk of flammability is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the utility model discloses a 110kV functional transformer's structural schematic diagram.
Fig. 2 is the utility model discloses a local structure schematic diagram of 110kV functional transformer.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 and 2 show a 110kV functional transformer, which comprises a bushing 1, a top outlet box 2, an upper flange 3, a conductive tube 4, an electrode 5, a transition flange 6, a shell 7 and a body 8.
The sleeve 1 is in a cylindrical shell structure, and an umbrella skirt is arranged on the outer contour of the sleeve 1 from top to bottom; an upper flange mounting seat is arranged on the outer contour of the top end of the sleeve 1; the lower surface of the upper flange 3 is horizontally arranged at the top end of the sleeve 1 through bolts, and a connecting hole is formed in the center of the upper flange 3; be provided with top outlet box 2 on the upper surface of upper flange 3, and the outside circumference that is located top outlet box 2 is provided with equalizer ring 21, and equalizer ring 21 passes through the connecting seat and locks on the upper surface of upper flange 3.
The conductive tube 4 is arranged in the sleeve 1 along the vertical direction, and the top end of the conductive tube 4 is locked on the lower surface of the upper flange 3 through a bolt; the electrode 5 is nested on the outer contour of the conductive tube 4 and is positioned at the position close to the bottom end of the conductive tube 4, and the electrode 5 is connected to the transition flange 6 through a bolt.
The transition flange 6 is arranged at the bottom end of the sleeve 1, the bottom end of the sleeve 1 is connected with the upper surface of the transition flange 6 through bolts, and a through hole for accommodating the conductive tube 4 to pass through is formed in the center of the transition flange 6; the shell 7 is of a cylindrical structure, the top end of the shell 7 is provided with an opening, and the opening is connected with the lower surface of the transition flange; two side surfaces of the shell 7 are respectively provided with a wiring board mounting port and a pressure release device mounting port; the housing 7 is filled with sulfur hexafluoride gas.
The body 8 is arranged in the housing, and the body 8 comprises an iron core 81, an iron core clamp 82, a primary coil 83, a secondary coil 84 and a winding framework 85; the iron core clamp 82 is arranged in the shell 7, and the iron core clamp 82 is of a U-shaped structure; the iron core 81 is horizontally arranged in the iron core clamp; the secondary coil 84 is embedded in the iron core 81; the winding framework 85 is nested on the secondary coil 84; the primary coil 83 is nested on the winding framework 85; a primary lead is led out from the output end of the primary coil 83, the other end of the primary lead penetrates through the shell 7 and penetrates through the conductive tube 4 to be connected with the top wire outlet box 2, and the outer circular surface of the primary coil 83 is an inclined surface gradually reduced from inside to outside.
A terminal box 71 is arranged at a terminal plate mounting opening on the shell 7, a terminal plate is arranged in the terminal box, and the terminal plate is connected with an output end of the secondary coil 84; the secondary coil 84 is of a layer-changing structure and forms an air passage.
A pressure relief device 72 is mounted at the pressure relief device mounting port on the housing 7, and the pressure relief device 72 is used for releasing gas when the pressure in the housing is too high.
The utility model discloses a theory of operation is: the functional transformer is arranged on the 110kV high-voltage platform, and the 110kV high voltage is converted into 200V voltage equipment for use through the functional transformer; the transformer is small in structure, is suitable for small-range power supply, reduces the manufacturing cost of the transformer, and can realize larger transformation ratio; the primary coil of the transformer body part adopting the pagoda structure has the advantages of uniform voltage distribution and good insulating property, and the secondary coil of the layered transposition structure is adopted and the air passage is additionally arranged so as to reduce the winding loss and improve the heat dissipation performance, thereby reducing the flammable risk compared with an oil-immersed transformer.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A110 kV function transformer, its characterized in that: the device comprises a sleeve, a top outlet box, an upper flange, a conductive pipe, an electrode, a transition flange, a shell and a device body;
the sleeve is of a cylindrical shell structure, and an umbrella skirt is arranged on the outer contour of the sleeve from top to bottom; an upper flange mounting seat is arranged on the outer contour of the top end of the sleeve; the lower surface of the upper flange is horizontally arranged at the top end of the sleeve through a bolt, and a connecting hole is formed in the center of the upper flange; a top outlet box is arranged on the upper surface of the upper flange, a grading ring is circumferentially arranged on the outer side of the top outlet box, and the grading ring is locked on the upper surface of the upper flange through a connecting seat;
the conductive tube is arranged in the sleeve along the vertical direction, and the top end of the conductive tube is locked on the lower surface of the upper flange through a bolt; the electrode is nested on the outer contour of the conducting tube and is positioned at the position close to the bottom end of the conducting tube, and the electrode is connected to the transition flange through a bolt;
the transition flange is arranged at the bottom end of the sleeve, the bottom end of the sleeve is connected with the upper surface of the transition flange through a bolt, and a through hole for allowing the conductive pipe to pass through is formed in the center of the transition flange; the shell is of a cylindrical structure, the top end of the shell is provided with an opening, and the opening is connected with the lower surface of the transition flange; the two side surfaces of the shell are respectively provided with a wiring board mounting port and a pressure release device mounting port; sulfur hexafluoride gas is filled in the shell;
the transformer body is arranged in the shell and comprises an iron core, an iron core clamping piece, a primary coil, a secondary coil and a winding framework; the iron core clamping piece is arranged in the shell and is of a U-shaped structure; the iron core is horizontally arranged in the iron core clamp; the secondary coil is embedded on the iron core; the winding framework is nested on the secondary coil; the primary coil is nested on the winding framework; and a primary lead is led out from the output end of the primary coil, the other end of the primary lead penetrates through the shell and penetrates through the conductive tube to be connected with the top wire outlet box, and the outer circular surface of the primary coil is an inclined surface gradually reduced from inside to outside.
2. A 110kV functional transformer according to claim 1, characterized in that: a wiring box is arranged at a wiring board mounting opening on the shell, a wiring board is arranged in the wiring box, and the wiring board is connected with the output end of the secondary coil; the secondary coil is of a layer-changing structure and forms an air channel.
3. A 110kV functional transformer according to claim 1, characterized in that: and a pressure release device is arranged at the mounting opening of the pressure release device on the shell and is used for releasing gas when the pressure in the shell is too high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533625.7U CN218333424U (en) | 2022-09-26 | 2022-09-26 | 110kV functional transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533625.7U CN218333424U (en) | 2022-09-26 | 2022-09-26 | 110kV functional transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218333424U true CN218333424U (en) | 2023-01-17 |
Family
ID=84818873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222533625.7U Active CN218333424U (en) | 2022-09-26 | 2022-09-26 | 110kV functional transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218333424U (en) |
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2022
- 2022-09-26 CN CN202222533625.7U patent/CN218333424U/en active Active
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