CN218886946U

CN218886946U - Voltage transformer

Info

Publication number: CN218886946U
Application number: CN202223092884.7U
Authority: CN
Inventors: 屠晓余
Original assignee: Jiangxi Pro Eaton Electric Co ltd
Current assignee: Jiangxi Pro Eaton Electric Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-18
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a voltage transformer, which relates to the technical field of voltage transformers and aims to solve the technical problems that the voltage transformer in the prior art usually lacks a high-efficiency heat dissipation structure and is difficult to realize the high-efficiency heat dissipation of a wiring terminal; the upper end fixed mounting of support ring has first fixed cylinder, the inner wall fixed mounting of first fixed cylinder has the fixed cylinder of second, the upper end inner wall screw thread of the fixed cylinder of second installs the installation section of thick bamboo, the upper end fixed mounting of installation section of thick bamboo has the fixed disk, the upper and lower both ends of fixed disk run through the through-hole of seting up the symmetry, the inner wall activity of through-hole is provided with movable cylinder, the inner wall fixed mounting of movable cylinder has winding binding post, the outer wall fixed mounting of the fixed cylinder of second has evenly distributed's first heat dissipation ring, this voltage transformer possesses high-efficient heat radiation structure, can realize binding post's high-efficient heat dissipation.

Description

Voltage transformer

Technical Field

The utility model belongs to the technical field of voltage transformer, concretely relates to voltage transformer.

Background

Voltage transformer is secondary equipment such as measuring instrument among the electric power system, relay protection acquires the sensor of electric primary circuit voltage information, but because distribution network is more complicated, the inductance of circuit, the electric capacity parameter variation range is great, when system ground fault, voltage transformer ground voltage improves relatively, ferromagnetic resonance takes place easily, it is very big to voltage transformer operation harm, voltage transformer explosion and burning out accident can often take place, present voltage transformer lacks high-efficient heat radiation structure usually, be difficult to realize binding post's high-efficient heat dissipation, await further improvement.

At present, the utility model patent with the patent number CN201720817352.5 discloses a voltage transformer, which comprises a base, wherein an a mutual sensor, a B mutual sensor and a C mutual sensor are arranged in the base, the upper end surface of the base is provided with four a-phase terminals, B-phase terminals, C-phase terminals and a zero-phase terminal which are respectively used for connecting phase lines of a high-voltage system, the bottom end of the a-phase terminal is connected with the a mutual sensor, the bottom end of the B-phase terminal is connected with the B mutual sensor, the bottom end of the C-phase terminal is connected with the C mutual sensor, and the zero-phase terminal is connected with the zero-phase transformer; mutual inductor of A mutual inductor B mutual inductor, mutual inductor of C with zero-phase mutual inductor all includes mutual inductor body, mutual inductor body includes mutual inductor holding chamber, the iron core coil is installed to mutual inductor holding intracavity, this utility model has simple structure, and the line is convenient, and the security performance is high grade advantage, and present voltage transformer lacks high-efficient heat radiation structure usually, is difficult to realize binding post's high-efficient heat dissipation.

Therefore, in view of the above-mentioned problem that the conventional voltage transformer usually lacks a high-efficiency heat dissipation structure and is difficult to realize high-efficiency heat dissipation of the connection terminal, a solution is urgently needed to realize that the voltage transformer has the high-efficiency heat dissipation structure and can realize the high-efficiency heat dissipation capability of the connection terminal.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

An it is not enough to prior art, the utility model aims to provide a voltage transformer, this voltage transformer aim at solving current voltage transformer and produce a large amount of heats easily when using, lack high-efficient heat radiation structure usually, are difficult to realize binding post's high-efficient radiating technical problem.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a voltage transformer, which comprises a supporting block and a supporting ring movably arranged at the upper end of the supporting block; the utility model discloses a wind turbine generator, including support ring, first fixed cylinder, the upper end fixed mounting of support ring has first fixed cylinder, the inner wall fixed mounting of first fixed cylinder has the fixed cylinder of second, the installation section of thick bamboo is installed to the upper end inner wall screw thread of the fixed cylinder of second, the upper end fixed mounting of installation section of thick bamboo has the fixed disk, the upper and lower both ends of fixed disk run through the through-hole of seting up the symmetry, the inner wall activity of through-hole is provided with the movable cylinder, the inner wall fixed mounting of movable cylinder has winding binding post, the outer wall fixed mounting of the fixed cylinder of second has evenly distributed's first radiating ring, the lower extreme fixed mounting of supporting shoe has fixed frame, the right-hand member fixed mounting of fixed frame has the ventilation box, the right-hand member fixed mounting of ventilation box has the motor, the right-hand member fixed mounting that the output shaft left end of motor runs through the ventilation box has the flabellum.

When the voltage transformer is used, the motor is started to enable the fan blades to rotate, and the generated wind blows heat on the first radiating rings, so that the internal efficient radiating capacity of the voltage transformer is realized, the winding wiring terminal can be protected by the arrangement of the movable cylinder, and the movable cylinder is made of a heat-conducting copper material and can realize efficient heat radiation of the wiring terminal.

Further, the lower extreme fixed mounting of fixed frame has the bottom plate, the upper end activity of bottom plate is provided with the fixed plate, the upper end fixed mounting of fixed plate has iron core coil, iron core coil is connected through winding and winding binding post, and the setting of second cell body does benefit to the flow of wind-force.

Furthermore, the upper end and the lower end of the supporting block are provided with first groove bodies in a penetrating mode, the first groove bodies and the fixed frame are communicated with each other, the right end of the fixed frame and the inner wall of the right end of the fixed frame are provided with second groove bodies in a penetrating mode, and the arrangement of the first groove bodies and the second groove bodies is beneficial to ventilation and heat dissipation of the device.

Furthermore, the bolts which are uniformly distributed are installed on the upper end threads of the support ring, the lower ends of the bolts penetrate through the support ring threads and are installed in the wall layer of the support block, and the support ring can be quickly fixed in the wall layer of the support block.

Furthermore, the outer wall of the movable cylinder is fixedly provided with uniformly distributed second radiating rings, radiating fins are fixedly arranged between the two second radiating rings, and the arrangement of the second radiating rings and the radiating fins can improve the radiating effect of the device.

Furthermore, two fixed mounting has the connecting block between the second heat dissipation ring, the upper and lower both ends of connecting block are run through and are seted up evenly distributed's louvre, and the setting of connecting block and louvre can improve the device's radiating effect.

Further, the upper and lower both ends of fixed disk are run through the upper end fixed mounting who sets up the fixed disk and are had the piece of ventilating, the outer wall of piece of ventilating is fixed and has been seted up first ventilation groove, the upper and lower both ends of fixed disk are run through and have been seted up the second ventilation groove, first ventilation groove and second ventilation groove link up each other, and the setting in first ventilation groove and second ventilation groove makes things convenient for the outflow of steam.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a voltage transformer is through setting up first fixed cylinder, the fixed cylinder of second and installation section of thick bamboo, and first cooling ring, the second cooling ring, the fin, connecting block and louvre, it makes the flabellum rotate to open the motor during use, the wind-force of production blows off the heat on a plurality of first cooling rings, thereby realize the inside high-efficient radiating ability of this voltage transformer, the setting of an activity section of thick bamboo can be protected around the group connecting terminal, an activity section of thick bamboo adopts the preparation of heat conduction copper product material, can realize binding post's high-efficient heat dissipation, can fix the support ring fast in the upper end of supporting shoe through setting up the bolt, do benefit to the fast assembly of the device.

Drawings

Fig. 1 is a schematic perspective view of a specific embodiment of a voltage transformer according to the present invention;

fig. 2 is a schematic perspective view of a movable barrel according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a supporting block of an embodiment of the voltage transformer of the present invention;

fig. 4 is a schematic perspective view of a fixing frame of a specific embodiment of the voltage transformer of the present invention;

fig. 5 is a schematic view of the three-dimensional split structure of the second fixing cylinder and the mounting cylinder of one embodiment of the voltage transformer of the present invention.

The labels in the figures are: 1. a supporting block; 2. a support ring; 3. a first fixed cylinder; 4. a second fixed cylinder; 5. mounting the cylinder; 6. fixing the disc; 7. a through hole; 8. a movable barrel; 9. a winding wiring terminal; 10. a ventilation block; 11. a first vent slot; 12. a first heat dissipation ring; 13. a bolt; 14. a fixing frame; 15. a base plate; 16. a ventilation box; 17. a motor; 18. a second heat dissipation ring; 19. a heat sink; 20. connecting blocks; 21. heat dissipation holes; 22. a fixing plate; 23. an iron core coil; 24. a first tank body; 25. a second tank body; 26. a fan blade; 27. and a second vent groove.

Detailed Description

The specific embodiment is a voltage transformer, a schematic three-dimensional structure of which is shown in fig. 1, and a schematic three-dimensional structure of a movable cylinder 8 of which is shown in fig. 2, the voltage transformer comprises a supporting block 1 and a supporting ring 2 movably arranged at the upper end of the supporting block 1; the upper end fixed mounting of support ring 2 has first fixed cylinder 3, the inner wall fixed mounting of first fixed cylinder 3 has second fixed cylinder 4, the installation section of thick bamboo 5 is installed to the upper end inner wall screw thread of second fixed cylinder 4, the upper end fixed mounting of installation section of thick bamboo 5 has fixed disk 6, the upper and lower both ends of fixed disk 6 run through the through-hole 7 of seting up the symmetry, the inner wall activity of through-hole 7 is provided with movable cylinder 8, the inner wall fixed mounting of movable cylinder 8 has winding binding post 9, the outer wall fixed mounting of second fixed cylinder 4 has evenly distributed's first radiating ring 12, the lower extreme fixed mounting of supporting shoe 1 has fixed frame 14, the right-hand member fixed mounting of fixed frame 14 has ventilation box 16, the right-hand member fixed mounting of ventilation box 16 has motor 17, the right-hand member fixed mounting that ventilation box 16 was run through to the output shaft left end of motor 17 has flabellum 26, the lower extreme fixed mounting of fixed frame 14 has bottom plate 15, the upper end activity of bottom plate 15 is provided with fixed plate 22, the upper end fixed mounting of fixed plate 22 has iron core coil 23, iron core coil 23 is connected through winding and winding binding post 9.

In order to realize the ventilation of the device, the upper end and the lower end of the supporting block 1 are provided with a first groove body 24 in a penetrating way, the first groove body 24 and the fixing frame 14 are mutually communicated, the right end of the fixing frame 14 and the inner wall of the right end are provided with a second groove body 25 in a penetrating way, and the first groove body 24 and the second groove body 25 are arranged to enable the wind power in the ventilation box 16 to flow into the first fixing cylinder 3.

In order to realize the quick assembly and use of the device, the bolts 13 which are uniformly distributed are installed on the upper end of the support ring 2 in a threaded mode, the lower ends of the bolts 13 penetrate through the support ring 2 and are installed in the wall layer of the support block 1 in a threaded mode, and the lower ends of the bolts 13 penetrate through the support ring 2 and are installed in the wall layer of the support block 1 in a threaded mode.

In order to improve the heat dissipation effect of the device, the outer wall fixed mounting of the movable cylinder 8 has the second cooling ring 18 of evenly distributed, fixed mounting has the fin 19 between two second cooling rings 18, fixed mounting has the connecting block 20 between two second cooling rings 18, the upper and lower both ends of connecting block 20 run through the louvre 21 of seting up evenly distributed, the upper and lower both ends of fixed disk 6 run through the upper end fixed mounting who sets up fixed disk 6 and have ventilation piece 10, first ventilation groove 11 has been seted up to the outer wall of ventilation piece 10 is fixed, the upper and lower both ends of fixed disk 6 run through and have been seted up second ventilation groove 27, first ventilation groove 11 and second ventilation groove 27 link up each other, second cooling ring 18, fin 19, the setting of connecting block 20 and louvre 21 can improve the device's heat dissipation effect.

A schematic perspective view of the supporting block 1 of the voltage transformer is shown in fig. 3, a schematic perspective view of the fixing frame 14 of the voltage transformer is shown in fig. 4, and a schematic perspective split structure of the second fixing barrel 4 and the mounting barrel 5 of the voltage transformer is shown in fig. 5.

When the voltage transformer adopting the technical scheme is used, the support ring 2 is placed at the upper end of the support block 1 during use, the bolt 13 penetrates through the support ring 2 and is installed in the wall layer of the support block 1 in a threaded manner, the motor 17 is started to enable the fan blades 26 to rotate, the generated wind power blows out heat on the first heat dissipation rings 12, the second heat dissipation rings 18, the heat dissipation fins 19, the connecting block 20 and the heat dissipation holes 21, the internal efficient heat dissipation capacity of the voltage transformer is realized, the winding connection terminal 9 can be protected by the movable barrel 8, the movable barrel 8 is made of heat conduction copper materials, and efficient heat dissipation of the winding connection terminal 9 can be realized.

Claims

1. A voltage transformer comprises a supporting block and a supporting ring movably arranged at the upper end of the supporting block; the winding and ventilation device is characterized in that a first fixing cylinder is fixedly mounted at the upper end of the support ring, a second fixing cylinder is fixedly mounted on the inner wall of the first fixing cylinder, an installation cylinder is mounted on the inner wall of the upper end of the second fixing cylinder in a threaded manner, a fixed disc is fixedly mounted at the upper end of the installation cylinder, symmetrical through holes are formed in the upper end and the lower end of the fixed disc in a penetrating manner, a movable cylinder is movably arranged on the inner wall of each through hole, a winding wiring terminal is fixedly mounted on the inner wall of the movable cylinder, a first heat dissipation ring which is uniformly distributed is fixedly mounted on the outer wall of the second fixing cylinder, a fixing frame is fixedly mounted at the lower end of the support block, a ventilation box is fixedly mounted at the right end of the fixing frame, a motor is fixedly mounted at the right end of the ventilation box, and fan blades are fixedly mounted at the right end of the left end of an output shaft of the motor, which penetrates through the ventilation box.

2. The voltage transformer according to claim 1, wherein a bottom plate is fixedly mounted at the lower end of the fixing frame, a fixing plate is movably arranged at the upper end of the bottom plate, and an iron core coil is fixedly mounted at the upper end of the fixing plate and connected with the winding wiring terminal through a winding.

3. The voltage transformer of claim 1, wherein the upper end and the lower end of the supporting block are provided with a first groove body in a penetrating manner, the first groove body and the fixed frame are communicated with each other, and the inner walls of the right end and the right end of the fixed frame are provided with a second groove body in a penetrating manner.

4. The voltage transformer according to claim 1, wherein the upper end of the support ring is threaded with evenly distributed bolts, and the lower ends of the bolts are threaded through the support ring and mounted in the wall layer of the support block.

5. The voltage transformer according to claim 1, wherein the outer wall of the movable cylinder is fixedly provided with uniformly distributed second heat dissipation rings, and a heat dissipation fin is fixedly arranged between the two second heat dissipation rings.

6. The voltage transformer according to claim 5, wherein a connecting block is fixedly installed between the two second heat dissipation rings, and heat dissipation holes are uniformly distributed and penetrate through the upper end and the lower end of the connecting block.

7. The voltage transformer of claim 1, wherein the upper end of the fixed disk, which is provided with the fixed disk in a penetrating manner, is fixedly provided with a ventilation block, the outer wall of the ventilation block is fixedly provided with a first ventilation groove, the upper end of the fixed disk, which is provided with a second ventilation groove in a penetrating manner, is provided with the upper end of the fixed disk, and the first ventilation groove and the second ventilation groove are communicated with each other.