CN210403405U

CN210403405U - Transformer core grounding current adjusting device

Info

Publication number: CN210403405U
Application number: CN201921779251.9U
Authority: CN
Inventors: 张子渲
Original assignee: Baoding Teda Power Technology Co Ltd
Current assignee: Baoding Teda Power Technology Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-04-24
Anticipated expiration: 2029-10-22

Abstract

The utility model relates to the technical field of transformers, in particular to a transformer core grounding current adjusting device, which comprises a current regulator, wherein an induction head is fixed on the outer wall of the right side of the current regulator through a bolt, the tail end of the induction head is provided with a fixing device, the fixing device comprises a U-shaped block, guide grooves are respectively arranged on the inner walls of the two sides of the U-shaped block, a movable clamping block is arranged between the two guide grooves, the outer walls of the two sides of the movable clamping block are respectively fixed with a guide block through a bolt, the size of the guide block is matched with the size of the guide grooves, the two are connected in a sliding way, a fixed clamping block is welded between the inner walls of the two sides of the U-shaped block, the fixed clamping block is fixedly connected with the induction head through a bolt, a threaded hole is arranged in the U-shaped block, a threaded rod is arranged in the threaded hole, the transformer iron core grounding current adjusting device is good in heat dissipation effect and can fix grounding wires with different thicknesses.

Description

Transformer core grounding current adjusting device

Technical Field

The utility model relates to a transformer technical field, specifically speaking relates to a transformer core ground current adjusting device.

Background

The amount of power transmitted by the transformer depends on the material and cross-sectional area of the core. The transformer iron core needs to be grounded during working, and a current adjusting device is used for adjusting grounding current, so that overlarge grounding current is avoided, and the working stability of the transformer is guaranteed. However, the conventional current adjusting device cannot fix the ground wire of the transformer core well, and can fix only the ground wire with a fixed thickness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer core ground current adjusting 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:

a transformer iron core grounding current adjusting device comprises a current regulator, an induction head is fixed on the outer wall of the right side of the current regulator through a bolt, the tail end of the induction head is provided with a fixing device, the fixing device comprises a U-shaped block, the inner walls of the two sides of the U-shaped block are both provided with a guide groove, a movable clamping block is arranged between the two guide grooves, the outer walls of the two sides of the movable clamping block are both fixed with guide blocks through bolts, the size of the guide blocks is matched with that of the guide grooves, the two are connected in a sliding way, a fixed clamping block is welded between the inner walls of the two sides of the U-shaped block, the fixed clamping block is fixedly connected with the induction head through a bolt, the U-shaped block is internally provided with a threaded hole, a threaded rod is arranged in the threaded hole, one end of the threaded rod is welded with a knob, and the outer walls of the front side and the rear side of the current regulator are respectively provided with a heat dissipation structure.

Preferably, the heat radiation structure comprises a fixing plate, a plurality of square grooves which are arranged at equal intervals are formed in the outer wall of one side of the fixing plate, which is far away from the current regulator, a plurality of through holes are further formed in the inner wall of each square groove, and heat radiation fins are bonded on the inner wall of each square groove.

Preferably, a plurality of heat dissipation holes are formed in the heat dissipation plate, a plurality of heat conduction rods are welded on one side of the heat dissipation plate, and the heat conduction rods penetrate through the through holes and extend to the inside of the current regulator.

Preferably, the threaded rod is in threaded connection with the threaded hole, and the other end of the threaded rod is fixed on the movable clamping block through a bolt.

Preferably, a plurality of anti-slip stripes are arranged on the arc-shaped inner walls of the fixed clamping block and the movable clamping block.

Preferably, the bottom of the current regulator is fixed with a mounting seat through bolts, and mounting holes are formed in four corners inside the mounting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the grounding current adjusting device for the transformer core can fix the grounding wire of the transformer core through the arrangement of the fixing device, and can fix the grounding wires with different thicknesses.

2. This transformer core ground current adjusting device through heat radiation structure's setting, can dispel the heat to the current regulator to guarantee its job stabilization nature.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is an exploded view of the fixing device according to example 1;

FIG. 3 is a schematic structural view of a movable block in embodiment 1;

fig. 4 is a schematic diagram of a partial explosion structure of the heat dissipation structure in embodiment 1.

In the figure: 1. a mounting seat; 10. mounting holes; 2. a current regulator; 20. an inductive head; 3. a fixing device; 30. a U-shaped block; 300. a guide groove; 301. a threaded hole; 31. a threaded rod; 32. a knob; 33. fixing the clamping block; 34. moving the clamping block; 340. a guide block; 35. anti-skid stripes; 4. a heat dissipation structure; 40. a fixing plate; 400. a square groove; 401. a through hole; 41. a heat sink; 410. heat dissipation holes; 42. a heat conducting rod.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A transformer core grounding current adjusting device is disclosed, as shown in figures 1-4, comprising a current regulator 2, an induction head 20 is fixed on the right outer wall of the current regulator 2 through a bolt, a fixing device 3 is arranged at the tail end of the induction head 20, the fixing device 3 comprises a U-shaped block 30, guide grooves 300 are respectively arranged on the inner walls of the two sides of the U-shaped block 30, a movable clamping block 34 is arranged between the two guide grooves 300, guide blocks 340 are respectively fixed on the outer walls of the two sides of the movable clamping block 34 through bolts, the size of each guide block 340 is matched with that of the corresponding guide groove 300 and are in sliding connection with the guide grooves, a fixed clamping block 33 is welded between the inner walls of the two sides of the U-shaped block 30, the fixed clamping block 33 is fixedly connected with the induction head 20 through bolts, a threaded hole 301 is arranged in the U-shaped block 30, a threaded rod 31 is arranged in the threaded hole, and the outer walls of the front side and the rear side of the current regulator 2 are respectively provided with a heat radiation structure 4.

In this embodiment, heat radiation structure 4 includes fixed plate 40, has seted up a plurality of square grooves 400 that are equidistant arranging on the one side outer wall that fixed plate 40 deviates from current regulator 2, has still seted up a plurality of through-holes 401 on the inner wall of square groove 400, and it has fin 41 to bond on the inner wall of square groove 400, can make fin 41 firmly fix in square groove 400. Specifically, a plurality of heat dissipation holes 410 are formed in the heat dissipation plate 41, a plurality of heat conduction rods 42 are welded on one side of the heat dissipation plate 41, the heat conduction rods 42 penetrate through the through holes 401 and extend into the current regulator 2, heat generated by the current regulator 2 can be conducted into the heat dissipation plate 41 through the heat conduction rods 42, then heat dissipation is conducted through the heat dissipation plate 41, the self-generated heat of the current regulator 2 can be reduced, and the heat dissipation speed of the heat dissipation plate 41 can be increased through the heat dissipation holes 410.

Furthermore, threaded connection between threaded rod 31 and screw hole 301, the other end of threaded rod 31 passes through the bolt fastening on removing clamp splice 34, can drive threaded rod 31 through rotating knob 32 and rotate to can promote to remove clamp splice 34 and remove, be convenient for carry out the centre gripping fixedly to earth conductor.

In addition, the arc-shaped inner walls of the fixed clamping block 33 and the movable clamping block 34 are provided with a plurality of anti-slip stripes 35, so that the friction force between the fixed clamping block 33 and the movable clamping block 34 and the grounding conductor can be increased, and the grounding conductor can be firmly fixed.

It should be noted that the bottom of the current regulator 2 is fixed with the mounting base 1 through the bolt, and the mounting holes 10 are all opened at four corners inside the mounting base 1, so as to facilitate the installation and fixation of the current regulator 2.

It should be noted that the current regulator 2 may be a current regulator available from automation equipment limited company, model E-3P, and its associated circuitry and power supply may also be provided by the manufacturer; furthermore, the present invention relates to the current regulator 2 as the prior art, and can be implemented by those skilled in the art, without unnecessary details, and the present invention also does not relate to the improvement of the structure and the operation principle of the current regulator 2.

When the transformer core grounding current adjusting device is used, firstly, according to specific use requirements, the current adjuster 2 is installed at a proper position in a distribution box provided with a transformer through the installation seat 1, then a transformer core grounding conductor is attached to the inner wall of the fixed clamping block 33, then the threaded rod 31 can be driven to rotate by rotating the knob 32, the movable clamping block 34 can be pushed to move, so that the fixed clamping block 33 and the movable clamping block 34 firmly fix the transformer core grounding conductor, finally, the current adjuster 2 is connected with an external power supply and works, and current flowing through the grounding conductor can be adjusted.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A transformer core ground current adjusting device comprises a current regulator (2), and is characterized in that: an induction head (20) is fixed on the outer wall of the right side of the current regulator (2) through a bolt, a fixing device (3) is arranged at the tail end of the induction head (20), the fixing device (3) comprises a U-shaped block (30), guide grooves (300) are formed in the inner walls of the two sides of the U-shaped block (30), a movable clamping block (34) is arranged between the two guide grooves (300), guide blocks (340) are fixed on the outer walls of the two sides of the movable clamping block (34) through bolts, the size of each guide block (340) is matched with that of the corresponding guide groove (300) and is in sliding connection with the guide grooves, a fixed clamping block (33) is welded between the inner walls of the two sides of the U-shaped block (30), the fixed clamping block (33) is fixedly connected with the induction head (20) through a bolt, a threaded hole (301) is formed in the U-shaped block (30), threaded rods (31) are arranged in the threaded holes (301), knobs (32) are welded at one ends of the threaded rods (31), and heat dissipation structures (4) are arranged on the outer walls of the front side and the rear side of the current regulator (2).

2. The transformer core ground current regulation device of claim 1, wherein: the heat dissipation structure (4) comprises a fixing plate (40), a plurality of square grooves (400) which are arranged at equal intervals are formed in the outer wall of one side, away from the current regulator (2), of the fixing plate (40), a plurality of through holes (401) are further formed in the inner wall of each square groove (400), and heat dissipation fins (41) are bonded to the inner wall of each square groove (400).

3. The transformer core ground current regulation device of claim 2, wherein: a plurality of heat dissipation holes (410) are formed in the heat dissipation fin (41), a plurality of heat conduction rods (42) are welded to one side of the heat dissipation fin (41), and the heat conduction rods (42) penetrate through the through holes (401) and extend to the inside of the current regulator (2).

4. The transformer core ground current regulation device of claim 1, wherein: the threaded rod (31) is in threaded connection with the threaded hole (301), and the other end of the threaded rod (31) is fixed on the movable clamping block (34) through a bolt.

5. The transformer core ground current regulation device of claim 1, wherein: and a plurality of anti-skid stripes (35) are arranged on the arc-shaped inner walls of the fixed clamping block (33) and the movable clamping block (34).

6. The transformer core ground current regulation device of claim 1, wherein: the bottom of current regulator (2) is fixed with mount pad (1) through the bolt, the inside of mount pad (1) is located four corners and has all seted up mounting hole (10).