CN215417843U

CN215417843U - Voltage transformer with fuse for inflating cabinet

Info

Publication number: CN215417843U
Application number: CN202122109473.3U
Authority: CN
Inventors: 何小梦; 何永超
Original assignee: Henan Dayang Electric Power Technology Co ltd
Current assignee: Henan Dayang Electric Power Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-04
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a voltage transformer with a fuse for an inflatable cabinet, which comprises an outer shell and a connecting assembly, wherein the outer shell is provided with a plurality of connecting holes; an outer shell: the upper end of the right side surface of the shell is rotatably connected with a cover plate, the left end of the upper surface of the bottom plate of the shell is fixedly connected with an iron core through a support, the outer arc surface of the left end of the iron core is provided with a secondary winding, and the outer arc surface of the right end of the iron core is provided with a primary winding; connecting components: the symmetry sets up in the bottom plate upper surface right-hand member of shell body, and coupling assembling's upper surface all is equipped with fuse seat, and the relative medial surface of two fuse seats is through the connecting plate fixed connection that the symmetry set up, and fuse seat's upper surface is equipped with the fuse, and the both ends of primary winding are connected with the fuse electricity through the first binding post that fuse seat left end set up respectively, and this aerify cabinet is with taking fuse voltage transformer, is convenient for take out the change to the fuse, has improved the maintenance efficiency to voltage transformer.

Description

Voltage transformer with fuse for inflating cabinet

Technical Field

The utility model relates to the technical field of voltage transformers, in particular to a voltage transformer with a fuse for an inflatable cabinet.

Background

In the operation of a power system, the guarantee of stable operation of the system is important. In recent years, a voltage transformer with a fuse is additionally arranged at a high-voltage primary end, and is favored by users by virtue of the advantages of high safety performance, small occupied space, safe and reliable operation and the like. The fuse is additionally arranged at the high-voltage primary end of the mutual inductor, so that the mutual inductor or the outgoing line fault can be effectively prevented from influencing the normal operation of a high-voltage system, and the purpose of protecting the mutual inductor body can be achieved. Compare with conventional voltage transformer, install the voltage transformer of fuse additional, the high-voltage terminal need extend to the fuse bottom, then draw forth the high-voltage terminal through the other one end of fuse, among the prior art, the fuse voltage transformer volume of taking in the tonifying qi cabinet is generally lighter and handy, and inside fuse mount pad is fixed setting usually, because the space is narrow and small, very inconvenient when changing the fuse, has reduced the equipment maintenance efficiency, for this reason, we provide one kind and aerify the cabinet and use fuse voltage transformer.

SUMMERY OF THE UTILITY MODEL

The voltage transformer with the fuse for the inflatable cabinet is novel in structural design, convenient to take out and replace the fuse, simple and convenient to operate, high in maintenance efficiency of the voltage transformer, strong in practicability and capable of effectively solving the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a voltage transformer with a fuse for an inflatable cabinet comprises an outer shell and a connecting assembly;

an outer shell: the upper end of the right side surface of the shell is rotatably connected with a cover plate, the left end of the upper surface of the bottom plate of the shell is fixedly connected with an iron core through a support, the outer arc surface of the left end of the iron core is provided with a secondary winding, and the outer arc surface of the right end of the iron core is provided with a primary winding;

connecting components: the symmetry sets up in the bottom plate upper surface right-hand member of shell body, coupling assembling's upper surface all is equipped with fuse seat, the connecting plate fixed connection that the relative medial surface of two fuse seats set up through the symmetry, fuse seat's upper surface is equipped with the fuse, the first binding post that the both ends of primary winding set up through fuse seat left end respectively is connected with the fuse electricity, the second binding post that the right-hand member of fuse set up through fuse seat right-hand member is connected with outside high voltage circuit electricity, structural design is novel, be convenient for take out the change to the fuse, easy operation is convenient, the maintenance efficiency to voltage transformer has been improved, therefore, the clothes hanger is strong in practicability.

Further, coupling assembling includes spout and bar slider, the spout symmetry sets up in the bottom plate upper surface right-hand member of shell body, and the equal sliding connection of inner wall of spout has the bar slider, and the upper surface of bar slider is connected with the lower fixed surface of fuse seat respectively, and the right-hand member of bar slider all extends to the bottom plate right flank of shell body, makes fuse seat and fuse slide to the right side, is convenient for change the fuse that burns out.

Further, coupling assembling still includes the spring, the left end of spring respectively with the left surface fixed connection of spout, the right-hand member of spring respectively with the left surface fixed connection of adjacent bar slider, it is ejecting to the right side with bar slider automatically, reduce manual operation, improve practicality.

Furthermore, the cross section of the strip-shaped sliding block is T-shaped, so that the sliding groove can limit the strip-shaped sliding block conveniently.

Further, still include the guide post, the guide post sets up respectively in the left surface of spout, the right-hand member of guide post respectively with horizontal corresponding bar slider internal sliding connection, the guide post cup joints respectively inside horizontal corresponding spring, carries on spacingly to the spring. Avoiding the spring from arching upwards.

Further, still include first screw, first screw threaded connection is in the bottom plate leading flank of shell body, and the rear side end of first screw is pegged graft with the jack that the bar slider leading flank of front side set up, carries out the locking to the bar slider after reseing.

Furthermore, the cover plate fixing device further comprises a second screw, wherein the second screw penetrates through a slotted hole formed in the bottom end of the cover plate and is in threaded connection with a threaded hole formed in the right side face of the base plate of the outer shell, and the cover plate is fixed.

Compared with the prior art, the utility model has the beneficial effects that: this aerify cabinet with taking fuse voltage transformer has following benefit:

when the fuse is burnt out due to overcurrent, the second screw is rotated by a screwdriver, so that the second screw is separated from the right end of the bottom plate of the outer shell, the limit of the second screw on the cover plate is removed, then the first screw is rotated by the screwdriver, the first screw moves forwards relative to the bottom plate of the outer shell, the first screw is separated from the strip-shaped sliding block at the front side, the first screw removes the limit on the strip-shaped sliding block, the strip-shaped sliding block moves to the right side under the elastic force of the spring, the strip-shaped sliding block drives the fuse holder and the fuse to slide to the right side, so that the fuse is taken down for replacement, after the replacement is completed, the fuse holder is pushed to move to the left side, and then the first screw and the second screw are sequentially rotated for resetting, the voltage transformer with the fuse is used for the gas-filled cabinet, the structural design is novel, the fuse is convenient to take out and replace, the operation is simple and convenient, and the maintenance efficiency of the voltage transformer is improved, the practicability is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the outer casing of the present invention.

In the figure: the fuse comprises an outer shell 1, a cover plate 2, an iron core 3, a primary winding 4, a secondary winding 5, a connecting assembly 6, a sliding chute 61, a strip-shaped sliding block 62, a spring 63, a fuse seat 7, a first screw 8, a second screw 9, a fuse 10, a connecting plate 11 and a guide column 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a voltage transformer with a fuse for an inflatable cabinet comprises an outer shell 1 and a connecting assembly 6;

outer housing 1: the upper end of the right side surface of the shell is rotatably connected with a cover plate 2 to play a role of insulation protection, the left end of the upper surface of a bottom plate of the shell 1 is fixedly connected with an iron core 3 through a support, the outer arc surface of the left end of the iron core 3 is provided with a secondary winding 5, the outer arc surface of the right end of the iron core 3 is provided with a primary winding 4, when voltage is applied to the primary winding 4, current is generated, alternating magnetic flux is generated in the iron core 3, under the action of the alternating magnetic flux, the secondary winding 5 and the primary winding 4 respectively induce electric potential, and finally a voltage transformer regulating device is driven;

wherein: the cover plate is characterized by further comprising a second screw 9, the second screw 9 penetrates through a slotted hole formed in the bottom end of the cover plate 2 and is in threaded connection with a threaded hole formed in the right side face of a bottom plate of the outer shell 1, the second screw 9 is rotated by a screwdriver, the second screw 9 is separated from the right end of the bottom plate of the outer shell 1, and the limit of the second screw 9 on the cover plate 2 is removed.

Connecting assembly 6: the fuse holder is symmetrically arranged at the right end of the upper surface of the bottom plate of the outer shell 1, fuse holders 7 are arranged on the upper surface of the connecting assembly 6, the opposite inner side surfaces of the two fuse holders 7 are fixedly connected through connecting plates 11 which are symmetrically arranged, a fuse 10 is arranged on the upper surface of the fuse holder 7, two ends of a primary winding 4 are respectively and electrically connected with the fuse 10 through first connecting terminals arranged at the left end of the fuse holder 7, the right end of the fuse 10 is electrically connected with an external high-voltage circuit through second connecting terminals arranged at the right end of the fuse holder 7, the connecting assembly 6 comprises a sliding chute 61 and a strip-shaped sliding block 62, the sliding chute 61 is symmetrically arranged at the right end of the upper surface of the bottom plate of the outer shell 1, the inner wall of the sliding chute 61 is respectively and slidably connected with the strip-shaped sliding block 62, the cross section of the strip-shaped sliding block 62 is T-shaped, the sliding chute 61 is convenient to limit the strip-shaped sliding block 62, and the upper surface of the strip-shaped sliding block 62 is respectively and fixedly connected with the lower surface of the fuse holder 7, the right-hand member of bar slider 62 all extends to the bottom plate right flank of shell body 1, make fuse holder 7 and fuse 10 slide to the right side, be convenient for change the fuse 10 of burning out, coupling assembling 6 still includes spring 63, spring 63's left end respectively with spout 61's left surface fixed connection, spring 63's right-hand member respectively with adjacent bar slider 62's left surface fixed connection, it is ejecting to the right side with bar slider 62 automatically, bar slider 62 moves to the right side under spring 63's spring action, bar slider 62 drives fuse holder 7 and fuse 10 and slides to the right side, thereby take off fuse 10 and change, reduce manual operation, and the practicality is improved.

Wherein: still include guide post 12, guide post 12 sets up respectively in the left surface of spout 61, and the right-hand member of guide post 12 respectively with the inside sliding connection of the bar slider 62 that transversely corresponds, inside guide post 12 cup jointed respectively in the spring 63 that transversely corresponds, spacing spring 63, avoid spring 63 to arch upwards.

Wherein: still include first screw 8, first screw 8 threaded connection is in the bottom plate front side of shell body 1, and the rear side end of first screw 8 is pegged graft with the jack that the bar slider 62 front side of front side set up, uses the rotatory first screw 8 of screwdriver, and first screw 8 moves to the front side relative to the bottom plate of shell body 1, and first screw 8 separates with the bar slider 62 of front side, and first screw 8 removes the restriction to bar slider 62.

The working principle of the voltage transformer with the fuse for the gas-filled cabinet is as follows:

when voltage is applied to the primary winding 4, current is generated, alternating magnetic flux is generated in the iron core 3, under the action of the alternating magnetic flux, the secondary winding 5 and the primary winding 4 respectively induce electric potential, finally, a voltage transformer regulating device is driven, when the fuse 10 is burnt due to overcurrent, a screwdriver rotates the second screw 9, so that the second screw 9 is separated from the right end of the bottom plate of the outer shell 1, the limit of the second screw 9 on the cover plate 2 is released, then the screwdriver rotates the first screw 8, the first screw 8 moves forwards relative to the bottom plate of the outer shell 1, the first screw 8 is separated from the strip-shaped sliding block 62 at the front side, the first screw 8 releases the limit on the strip-shaped sliding block 62, at the moment, the strip-shaped sliding block 62 moves towards the right side under the action of the elastic force of the spring 63, the strip-shaped sliding block 62 drives the fuse holder 7 and the fuse 10 to slide towards the right side, and then the fuse 10 is removed for replacement, after the fuse seat is replaced, the fuse seat 7 is pushed to move to the left side, then the first screw 8 and the second screw 9 are sequentially rotated to reset, the operation is simple and convenient, and the practicability is high.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an aerify cabinet with taking fuse voltage transformer which characterized in that: comprises an outer shell (1) and a connecting component (6);

outer housing (1): the upper end of the right side surface of the shell is rotatably connected with a cover plate (2), the left end of the upper surface of the bottom plate of the shell (1) is fixedly connected with an iron core (3) through a support, the outer arc surface of the left end of the iron core (3) is provided with a secondary winding (5), and the outer arc surface of the right end of the iron core (3) is provided with a primary winding (4);

connection assembly (6): the symmetry sets up in the bottom plate upper surface right-hand member of shell body (1), the upper surface of coupling assembling (6) all is equipped with fuse seat (7), connecting plate (11) fixed connection that the relative medial surface of two fuse seats (7) set up through the symmetry, the upper surface of fuse seat (7) is equipped with fuse (10), the both ends of primary winding (4) are connected with fuse (10) electricity through the first binding post that fuse seat (7) left end set up respectively, the right-hand member of fuse (10) is connected with outside high voltage circuit electricity through the second binding post that fuse seat (7) right-hand member set up.

2. The fused voltage transformer for the gas insulated switchgear according to claim 1, wherein: coupling assembling (6) include spout (61) and bar slider (62), spout (61) symmetry sets up in the bottom plate upper surface right-hand member of shell body (1), and the equal sliding connection in inner wall of spout (61) has bar slider (62), and the upper surface of bar slider (62) is connected with the lower fixed surface of fuse holder (7) respectively, and the right-hand member of bar slider (62) all extends to the bottom plate right flank of shell body (1).

3. The fused voltage transformer for the gas insulated switchgear according to claim 2, wherein: coupling assembling (6) still include spring (63), the left end of spring (63) respectively with the left surface fixed connection of spout (61), the right-hand member of spring (63) respectively with the left surface fixed connection of adjacent bar slider (62).

4. The fused voltage transformer for the gas insulated switchgear according to claim 2, wherein: the cross section of the strip-shaped sliding block (62) is T-shaped.

5. The fused voltage transformer for the gas insulated switchgear according to claim 3, wherein: still include guide post (12), guide post (12) set up respectively in the left surface of spout (61), the right-hand member of guide post (12) respectively with horizontal bar slider (62) internal sliding connection who corresponds, inside guide post (12) cup jointed in horizontal corresponding spring (63) respectively.

6. The fused voltage transformer for the gas insulated switchgear according to claim 2, wherein: still include first screw (8), first screw (8) threaded connection is in the bottom plate leading flank of shell body (1), and the rear side end of first screw (8) is pegged graft with the jack that bar slider (62) leading flank of front side set up.

7. The fused voltage transformer for the gas insulated switchgear according to claim 1, wherein: the novel screw cap is characterized by further comprising a second screw (9), wherein the second screw (9) penetrates through a slotted hole formed in the bottom end of the cover plate (2) and is in threaded connection with a threaded hole formed in the right side face of a bottom plate of the outer shell (1).