CN217088380U

CN217088380U - High-safety type power distribution control equipment with differential protection mutual inductor

Info

Publication number: CN217088380U
Application number: CN202220788917.2U
Authority: CN
Inventors: 普峰峰; 雷巧珍
Original assignee: Hubei Zhongwu Electrical Equipment Co ltd
Current assignee: Hubei Zhongwu Electrical Equipment Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-29
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a high safety type distribution control device with a differential protection mutual inductor, which belongs to the technical field of mutual inductors; in the traditional power distribution control equipment, a differential protection transformer is installed on the surface of the power distribution control equipment through screws, when the differential protection transformer is damaged, the screws for fixing the differential protection transformer need to be disassembled, and then the screws are used for replacing a new differential protection transformer, so that the operation is complicated; the protective box is rotatably provided with a protective plate, an electrical element is fixedly arranged in the protective box, the upper end of the protective box is provided with a heat dissipation groove, and a fixing frame is fixedly arranged in the protective box; the rotation threaded rod rotates, drives the driving block and removes, and the driving block carries on spacingly through the second rotary rod, makes the second rotary rod drive first rotary rod and rotates, and first rotary rod uses the stopper to rotate as the center to drive tip grip block and to gathering together and closely laminating with the mutual-inductor outer wall to well, with the mutual-inductor rigidity, improve the installation effectiveness.

Description

High-safety type power distribution control equipment with differential protection mutual inductor

Technical Field

The utility model relates to a mutual-inductor technical field specifically is a high safe type distribution control equipment with differential protection mutual-inductor.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment. Meanwhile, the mutual inductor can also be used for isolating a high-voltage system so as to ensure the safety of people and equipment;

according to the traditional power distribution control equipment, a transformer is installed on the surface of the power distribution control equipment through screws when a differential protection transformer is installed, the screws for fixing the differential protection transformer need to be disassembled when the differential protection transformer is damaged, then the new differential protection transformer is replaced by the screws, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high safe type distribution control equipment with differential protection mutual-inductor 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: the high-safety power distribution control device with the differential protection mutual inductor comprises a protection box, wherein a protection plate is rotatably arranged on the protection box, an electrical element is fixedly arranged in the protection box, a heat dissipation groove is formed in the upper end of the protection box, a fixing frame is fixedly arranged in the protection box, a moving groove is formed in the lower surface of the fixing frame, a moving block is arranged in the moving groove in a sliding mode, and a clamping mechanism is arranged on the lower surface of the moving block.

As a preferred technical scheme of the utility model, fixture includes the fixed block, the fixed stopper that is equipped with in fixed block both sides, it is equipped with first rotary rod to rotate on the stopper, stopper one end is kept away from to first rotary rod is fixed and is equipped with the grip block, the screw thread is equipped with the threaded rod on the fixed block, threaded rod one end is rotated and is equipped with the drive block altogether, the drive block both ends are rotated and are equipped with the second rotary rod, the second rotary rod is kept away from drive block one end and is connected with first rotary rod middle part rotation.

As a preferred technical scheme of the utility model, the fixed connecting block that is equipped with in mount one side, the spacing groove has been seted up to the connecting block inner wall, it is equipped with the rectangular block to slide in the spacing groove, the fixed circular inserted bar that is equipped with on the rectangular block, the spacing inslot is fixed and is equipped with the spring, spring one end and rectangular block fixed connection.

As a preferred technical scheme of the utility model, circular jack has all been seted up on mount and the movable block, circular jack inner wall is laminated with circular inserted bar mutually, the fixed pull rod that is equipped with of movable block one end.

As the utility model discloses a preferred technical scheme, the rectangular block both ends are laminated with the spacing inslot wall mutually, circular inserted bar is located the rectangular block middle part, circular inserted bar length is greater than the connecting block.

As a preferred technical scheme of the utility model, the grip block is the L shape, first rotary rod is the arc, it is inboard that the drive block is located first rotary rod.

As a preferred technical scheme of the utility model, the shifting chute is convex shape, the movable block is laminated with the shifting chute inner wall mutually.

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

1. the rotary threaded rod rotates to drive the driving block to move, the driving block is limited through the second rotary rod, the second rotary rod drives the first rotary rod to rotate, the first rotary rod rotates by taking the limiting block as a center, and therefore the end clamping block is driven to gather inwards to be tightly attached to the outer wall of the mutual inductor, the position of the mutual inductor is fixed, and the installation efficiency is improved;

2. because the mutual inductor is positioned above the electrical element, the generated heat is discharged from the heat dissipation groove, and the electrical element is not influenced.

Drawings

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

FIG. 2 is a schematic sectional view of the connecting block of the present invention,

fig. 3 is a schematic structural view of the clamping mechanism of the present invention.

In the figure: 1. a protection box; 11. a protection plate; 12. an electrical component 12; 13. a heat sink; 14. a fixed mount; 15. a moving groove; 16. a moving block; 2. a clamping mechanism; 21. a fixed block; 22. a limiting block; 23. a first rotating rod; 24. a clamping block; 25. a threaded rod; 26. a drive block; 27. a second rotating rod; 3. connecting blocks; 31. a limiting groove; 32. a rectangular block; 33. a circular inserted link; 34. a spring; 4. a circular jack; 41. a pull 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.

Example (b): as shown in fig. 1-3, the utility model provides a high safety type distribution control device with differential protection mutual inductor, which comprises a protection box 1, a protection board 11 is rotatably arranged on the protection box 1, an electric element 12 is fixedly arranged in the protection box 1, a heat sink 13 is arranged at the upper end of the protection box 1, a fixed frame 14 is fixedly arranged in the protection box 1, a moving groove 15 is arranged at the lower surface of the fixed frame 14, a moving block 16 is arranged in the moving groove 15 in a sliding way, the moving groove 15 is convex, the moving block 16 is attached to the inner wall of the moving groove 15, a pull rod 41 is fixedly arranged at one end of the moving block 16, a clamping mechanism 2 is arranged at the lower surface of the moving block 16, the protection board 11 is opened, the pull rod 41 is held, the moving block 16 is pulled to move along the moving groove 15 on the fixed frame 14, the clamping mechanism 2 is positioned outside the protection box 1, the mutual inductor is fixed by the clamping mechanism 2, and is sent back to the protection box 1, since the transformer is located above the electric component 12, the generated heat is discharged from the heat dissipation groove 13 without affecting the electric component 12.

The clamping mechanism 2 comprises a fixed block 21, two sides of the fixed block 21 are fixedly provided with limit blocks 22, the limit blocks 22 are provided with first rotating rods 23 in a rotating mode, one ends, far away from the limit blocks 22, of the first rotating rods 23 are fixedly provided with clamping blocks 24, threads of the fixed block 21 are provided with threaded rods 25, one ends of the threaded rods 25 are provided with driving blocks 26 in a rotating mode, two ends of each driving block 26 are provided with second rotating rods 27 in a rotating mode, one ends, far away from the driving blocks 26, of the second rotating rods 27 are connected with the middle portions of the first rotating rods 23 in a rotating mode, the clamping blocks 24 are L-shaped, the first rotating rods 23 are arc-shaped, the driving blocks 26 are located on the inner sides of the first rotating rods 23, the driving blocks 26 are driven to move through rotation of the threaded rods 25, the driving blocks 26 are limited through the second rotating rods 27, the second rotating rods 27 drive the first rotating rods 23 to rotate, the first rotating rods 23 rotate around the limit blocks 22, and therefore the end clamping blocks 24 are driven to gather inwards to be tightly attached to the outer wall of the mutual inductor, and fixing the position of the transformer.

One side of the fixed frame 14 is fixedly provided with a connecting block 3, the inner wall of the connecting block 3 is provided with a limiting groove 31, a rectangular block 32 is arranged in the limiting groove 31 in a sliding manner, a circular inserted bar 33 is fixedly arranged on the rectangular block 32, a spring 34 is fixedly arranged in the limiting groove 31, one end of the spring 34 is fixedly connected with the rectangular block 32, two ends of the rectangular block 32 are attached to the inner wall of the limiting groove 31, the circular inserted bar 33 is positioned in the middle of the rectangular block 32, the length of the circular inserted bar 33 is greater than that of the connecting block 3, the fixed frame 14 and the moving block 16 are both provided with circular insertion holes 4, the inner wall of each circular insertion hole 4 is attached to the circular inserted bar 33, the circular inserted bar 33 is pulled to drive the rectangular block 32 to move along the limiting groove 31, the spring 34 is extruded, the end part leaves the circular insertion holes 4, and the moving block 16 is convenient to pull, when the circular insertion rod 33 is released, the end of the circular insertion rod 33 is inserted into the circular insertion hole 4 by the thrust of the spring 34 to fix the position of the moving block 16.

The working principle is as follows: firstly, the circular inserting rod 33 is pulled to drive the rectangular block 32 to move along the limiting groove 31, the spring 34 is extruded, the end part is enabled to leave the circular jack 4, then the pull rod 41 is held, the moving block 16 is pulled to move along the moving groove 15 on the fixing frame 14, the clamping mechanism 2 is enabled to be located outside the protection box 1, then the threaded rod 25 is rotated, the driving block 26 is driven to move, the driving block 26 is limited through the second rotating rod 27, the second rotating rod 27 is enabled to drive the first rotating rod 23 to rotate, the first rotating rod 23 rotates by taking the limiting block 22 as the center, and therefore the end part clamping block 24 is driven to gather inwards to be tightly attached to the outer wall of the mutual inductor, the position of the mutual inductor is fixed, and the installation efficiency is improved.

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

1. The utility model provides a high safe type distribution control equipment with differential protection mutual-inductor, includes guard box (1), its characterized in that: the protective box is characterized in that a protective plate (11) is arranged on the protective box (1) in a rotating mode, an electrical element (12) is arranged in the protective box (1) in a fixed mode, a heat dissipation groove (13) is formed in the upper end of the protective box (1), a fixing frame (14) is arranged in the protective box (1) in a fixed mode, a moving groove (15) is formed in the lower surface of the fixing frame (14), a moving block (16) is arranged in the moving groove (15) in a sliding mode, and a clamping mechanism (2) is arranged on the lower surface of the moving block (16).

2. The high safety power distribution control device with the differential protection transformer of claim 1, wherein: fixture (2) are including fixed block (21), fixed block (21) both sides are fixed and are equipped with stopper (22), it is equipped with first rotary rod (23) to rotate on stopper (22), stopper (22) one end is kept away from in first rotary rod (23) fixed and is equipped with grip block (24), the screw thread is equipped with threaded rod (25) on fixed block (21), threaded rod (25) one end is rotated and is equipped with drive block (26) altogether, drive block (26) both ends are rotated and are equipped with second rotary rod (27), drive block (26) one end is kept away from in second rotary rod (27) and first rotary rod (23) middle part is rotated and is connected.

3. The high safety power distribution control device with the differential protection transformer of claim 1, wherein: fixed connecting block (3) that is equipped with in mount (14) one side, spacing groove (31) have been seted up to connecting block (3) inner wall, it is equipped with rectangular block (32) to slide in spacing groove (31), the fixed circular inserted bar (33) that is equipped with on rectangular block (32), spacing groove (31) internal fixation is equipped with spring (34), spring (34) one end and rectangular block (32) fixed connection.

4. The high safety power distribution control device with the differential protection transformer of claim 1, wherein: circular jacks (4) are formed in the fixed frame (14) and the moving block (16), the inner walls of the circular jacks (4) are attached to the circular insertion rods (33), and a pull rod (41) is fixedly arranged at one end of the moving block (16).

5. A high safety electrical distribution control device with differential protection transformer as claimed in claim 3 wherein: rectangular block (32) both ends laminate mutually with spacing groove (31) inner wall, circular inserted bar (33) are located rectangular block (32) middle part, circular inserted bar (33) length is greater than connecting block (3).

6. The high safety power distribution control device with the differential protection transformer of claim 2, wherein: the clamping block (24) is L-shaped, the first rotating rod (23) is arc-shaped, and the driving block (26) is located on the inner side of the first rotating rod (23).

7. The high safety power distribution control device with the differential protection transformer of claim 1, wherein: the moving groove (15) is convex, and the moving block (16) is attached to the inner wall of the moving groove (15).