CN214850446U

CN214850446U - Transformer with complete set of neutral point protection device

Info

Publication number: CN214850446U
Application number: CN202120857703.1U
Authority: CN
Inventors: 冯德元; 武建龙; 田玉辉
Original assignee: Shandong Xingtai Electric Technology Co ltd
Current assignee: Shandong Xingtai Electric Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-23
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a transformer with neutral point complete set protection device, including transformer body, square plate and first connecting block, the quad slit has been seted up respectively to the centre at both ends around the transformer body, first recess has been seted up respectively on the transformer body at both ends about quad slit one side, the second recess has been seted up respectively on the transformer body at both ends about the quad slit opposite side, the upper and lower both ends of square plate one side are passed through the hinge respectively and are connected with two first connecting block rotations, first connecting block is fixed in first recess through first bolt embedding, the second connecting block has been welded respectively at the upper and lower both ends of square plate opposite side, the second connecting block passes through the second bolt embedding to be fixed in the second recess. The square plate with the radiating fins can be rotated and opened, so that the inside of the transformer body can be conveniently overhauled; the square plate and the radiating fins can be detached from the transformer body, and transportation is facilitated.

Description

Transformer with complete set of neutral point protection device

Technical Field

The utility model relates to a transformer technical field specifically is a transformer with neutral point complete set protection device.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. In electrical equipment and wireless circuits, the high-voltage power supply is often used for voltage rise and fall, impedance matching, safety isolation and the like. In a generator, an electrical potential can be induced in a coil, whether the coil is moved through a magnetic field or a magnetic field is moved through a stationary coil. In both cases, the value of the magnetic flux is constant, but the amount of the magnetic flux linked with the coil varies, which is the principle of mutual induction. A transformer is a device for transforming voltage, current and impedance by using mutual electromagnetic induction.

The front end and the rear end of a general transformer are provided with cooling fins, the front end and the rear end of the transformer at the cooling fins are closed, when an internal element of the transformer breaks down, the transformer needs to be disassembled from the top end of the transformer, the workload is large, and the transformer is inconvenient to overhaul.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transformer with a complete set of neutral point protection device, a square plate with radiating fins can be rotated and opened, and the inside of a transformer body can be conveniently overhauled; the square plate and the radiating fins can be detached from the transformer body, so that the transformer is convenient to transport, the problems that the front end and the rear end of the transformer at the radiating fins are closed, when the transformer internal elements break down, the transformer needs to be detached from the top end of the transformer, the workload is large, and the transformer is inconvenient to overhaul are solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer with neutral point complete set protection device, includes transformer body, square plate and first connecting block, the quad slit has been seted up respectively in the centre at both ends around the transformer body, first recess has been seted up respectively on the transformer body at both ends about quad slit one side, the second recess has been seted up respectively on the transformer body at both ends about the quad slit opposite side, the upper and lower both ends of square plate one side are rotated through hinge and two first connecting blocks respectively and are connected, first connecting block is fixed in first recess through first bolt embedding, the second connecting block has been welded respectively at the upper and lower both ends of square plate opposite side, the second connecting block passes through the second bolt embedding to be fixed in the second recess, two the square plate is embedded respectively and is installed in two quad slits.

Preferably, the two sides of the bottom end of the transformer body are respectively welded with a support, the two supports are symmetrically distributed on the central axis of the bottom end of the transformer body, and the supports are designed in an I-shaped structure.

Preferably, the top end of the transformer body is fixed with a cover plate, the front end of the upper surface of the cover plate is fixed with three low-voltage sleeves at equal intervals, and the rear end of the upper surface of the cover plate is fixed with three high-voltage sleeves at equal intervals.

Preferably, the inner wall of the first groove is provided with a first screw hole matched with the first bolt, the first connecting block is provided with a first through hole matched with the first bolt, and the first bolt penetrates through the first through hole and is screwed into the first screw hole.

Preferably, the inner wall of the second groove is provided with a second screw hole matched with the second bolt, the second connecting block is provided with a second through hole matched with the second bolt, and the second bolt penetrates through the second through hole and is screwed into the second screw hole.

Preferably, the first connecting block is matched with the first groove, and the second connecting block is matched with the second groove.

Preferably, the transverse plates are welded at the upper end and the lower end of the front face of the square plate respectively, and the radiating fins are welded at one opposite sides of the two transverse plates.

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

1. the utility model discloses a set up first connecting block, first bolt, second bolt and second connecting block, reached square board and can follow the transformer body with the fin and pull down the effect of the transportation of being convenient for. The utility model discloses be provided with first connecting block, first bolt, second bolt and second connecting block, during the installation, first connecting block passes through first bolt fastening in first recess, and the second connecting block passes through the second bolt fastening in the second recess, and square plate this moment is located the square hole, and square plate seals the square hole, and both ends are respectively around two square plates with the transformer body. During the dismantlement, unscrew first bolt and second bolt respectively, first connecting block and second connecting block are no longer fixed, take off the fin from the transformer body, and square board takes off from the quad slit, and first connecting block separates with first recess, and the second connecting block separates with the second recess, separately removes transformer body and square board and fin.

2. The utility model discloses a set up the hinge, reached the rotatable opening of square board of fin department, the convenient effect to the inside maintenance of transformer body. The utility model discloses be provided with the hinge, first connecting block passes through first bolt fastening in first recess, and the second connecting block passes through the second bolt fastening in the second recess, and square position is in the square hole. When the transformer body breaks down, unscrew and take off the second bolt, rotate through the hinge and open the quad slit, expose the quad slit, the staff overhauls transformer body inside through the quad slit, the operation of being convenient for.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is an enlarged schematic view of fig. 1 at a of the present invention;

fig. 3 is an enlarged schematic view of the present invention at B of fig. 1;

fig. 4 is the main view structure diagram of the transformer body of the present invention.

In the figure: 1. a support; 2. a transformer body; 3. a square plate; 4. a transverse plate; 5. a heat sink; 6. a cover plate; 7. a low-pressure bushing; 8. a high voltage bushing; 9. a first connection block; 10. a first bolt; 11. a hinge; 12. a second bolt; 13. a second connecting block; 14. a square hole; 15. a first groove; 16. a first screw hole; 17. a second groove; 18. and a second screw hole.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a transformer with neutral point complete set protection device, includes transformer body 2, square board 3 and first connecting block 9, and support 1 has been welded respectively to the both sides of 2 bottoms of transformer body, and two supports 1 adopt worker's shape structural design with the axis symmetric distribution of 2 bottoms of transformer body, support 1 supports transformer body 2 through support 1. A cover plate 6 is fixed at the top end of the transformer body 2, three low-voltage sleeves 7 are fixed at the front end of the upper surface of the cover plate 6 at equal intervals, and three high-voltage sleeves 8 are fixed at the rear end of the upper surface of the cover plate 6 at equal intervals. The transformer body 2 is internally provided with a complete neutral point protection device, and internal elements of the transformer body 2 are protected by the complete neutral point protection device.

Square holes 14 are respectively formed in the middles of the front end and the rear end of the transformer body 2, first grooves 15 are respectively formed in the transformer body 2 at the upper end and the lower end of one side of each square hole 14, and second grooves 17 are respectively formed in the transformer body 2 at the upper end and the lower end of the other side of each square hole 14. The upper end and the lower end of one side of the square plate 3 are respectively rotatably connected with two first connecting blocks 9 through hinges 11, the first connecting blocks 9 are fixed in first grooves 15 through embedding of first bolts 10, first screw holes 16 matched with the first bolts 10 are formed in the inner walls of the first grooves 15, first through holes matched with the first bolts 10 are formed in the first connecting blocks 9, the first bolts 10 penetrate through the first through holes and are screwed into the first screw holes 16, and the first connecting blocks 9 are matched with the first grooves 15. The upper end and the lower end of the other side of the square plate 3 are respectively welded with a second connecting block 13, the second connecting block 13 is embedded and fixed in a second groove 17 through a second bolt 12, the inner wall of the second groove 17 is provided with a second screw hole 18 matched with the second bolt 12, the second connecting block 13 is provided with a second through hole matched with the second bolt 12, the second bolt 12 penetrates through the second through hole and is screwed into the second screw hole 18, and the second connecting block 13 is matched with the second groove 17. Two square boards 3 are respectively embedded and installed in two square holes 14, transverse plates 4 are respectively welded at the upper end and the lower end of the front surface of each square board 3, and cooling fins 5 are welded on the opposite sides of the two transverse plates 4. During installation, the first connecting block 9 is fixed in the first groove 15 through the first bolt 10, the second connecting block 13 is fixed in the second groove 17 through the second bolt 12, the square plate 3 at the moment is located in the square hole 14, the square hole 14 is sealed by the square plate 3, and the front end and the rear end of the transformer body 2 are respectively arranged by the two square plates 3.

During the dismantlement, unscrew first bolt 10 and second bolt 12 respectively, first connecting block 9 and second connecting block 13 are no longer fixed, take off fin 5 from transformer body 2, and square board 3 takes off from quad slit 14, and first connecting block 9 separates with first recess 15, and second connecting block 13 separates with second recess 17, and separate transformer body 2 and square board 3 and fin 5 and remove.

Example 2

Referring to fig. 1 to 4, the present invention provides an embodiment: a square hole 14 is respectively arranged in the middle of the front end and the rear end of a transformer body 2, first grooves 15 are respectively arranged on the transformer body 2 at the upper end and the lower end of one side of the square hole 14, and second grooves 17 are respectively arranged on the transformer body 2 at the upper end and the lower end of the other side of the square hole 14. The upper end and the lower end of one side of the square plate 3 are respectively rotatably connected with two first connecting blocks 9 through hinges 11, the first connecting blocks 9 are fixed in first grooves 15 through embedding of first bolts 10, first screw holes 16 matched with the first bolts 10 are formed in the inner walls of the first grooves 15, first through holes matched with the first bolts 10 are formed in the first connecting blocks 9, the first bolts 10 penetrate through the first through holes and are screwed into the first screw holes 16, and the first connecting blocks 9 are matched with the first grooves 15. The upper end and the lower end of the other side of the square plate 3 are respectively welded with a second connecting block 13, the second connecting block 13 is embedded and fixed in a second groove 17 through a second bolt 12, the inner wall of the second groove 17 is provided with a second screw hole 18 matched with the second bolt 12, the second connecting block 13 is provided with a second through hole matched with the second bolt 12, the second bolt 12 penetrates through the second through hole and is screwed into the second screw hole 18, and the second connecting block 13 is matched with the second groove 17. Two square boards 3 are respectively embedded and installed in two square holes 14, transverse plates 4 are respectively welded at the upper end and the lower end of the front surface of each square board 3, and cooling fins 5 are welded on the opposite sides of the two transverse plates 4.

First connecting block 9 passes through first bolt 10 to be fixed in first recess 15, and second connecting block 13 passes through second bolt 12 to be fixed in second recess 17, and square plate 3 is located quad slit 14. When transformer body 2 broke down, unscrewed and taken off second bolt 12, rotated through hinge 11 and opened square plate 3, exposed quad slit 14, the staff overhauld transformer body 2 inside through quad slit 14, the operation of being convenient for.

The working principle is as follows: first connecting block 9 passes through first bolt 10 to be fixed in first recess 15, and second connecting block 13 passes through second bolt 12 to be fixed in second recess 17, and square plate 3 is located quad slit 14. When transformer body 2 broke down, unscrewed and taken off second bolt 12, rotated through hinge 11 and opened square plate 3, exposed quad slit 14, the staff overhauld transformer body 2 inside through quad slit 14.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a transformer with neutral point complete set protection device, includes transformer body (2), square board (3) and first connecting block (9), its characterized in that: the middle parts of the front end and the rear end of the transformer body (2) are respectively provided with a square hole (14), the transformer body (2) at the upper end and the lower end of one side of the square hole (14) is respectively provided with a first groove (15), the transformer body (2) at the upper end and the lower end of the other side of the square hole (14) is respectively provided with a second groove (17), the upper end and the lower end of one side of the square plate (3) are respectively connected with the two first connecting blocks (9) in a rotating way through hinges (11), the first connecting block (9) is embedded and fixed in the first groove (15) through a first bolt (10), the upper end and the lower end of the other side of the square plate (3) are respectively welded with a second connecting block (13), the second connecting block (13) is embedded and fixed in the second groove (17) through a second bolt (12), and the two square plates (3) are respectively embedded and installed in the two square holes (14).

2. The transformer with the set of neutral point protection devices of claim 1, wherein: the transformer is characterized in that supports (1) are welded on two sides of the bottom end of the transformer body (2) respectively, the two supports (1) are symmetrically distributed along the central axis of the bottom end of the transformer body (2), and the supports (1) are designed in an I-shaped structure.

3. The transformer with the set of neutral point protection devices of claim 1, wherein: transformer body (2) top is fixed with apron (6), and apron (6) upper surface front end equidistance is fixed with three low-voltage bushing (7), and apron (6) upper surface rear end equidistance is fixed with three high-voltage bushing (8).

4. The transformer with the set of neutral point protection devices of claim 1, wherein: a first screw hole (16) matched with the first bolt (10) is formed in the inner wall of the first groove (15), a first through hole matched with the first bolt (10) is formed in the first connecting block (9), and the first bolt (10) penetrates through the first through hole and is screwed into the first screw hole (16).

5. The transformer with the set of neutral point protection devices of claim 1, wherein: and a second screw hole (18) matched with the second bolt (12) is formed in the inner wall of the second groove (17), a second through hole matched with the second bolt (12) is formed in the second connecting block (13), and the second bolt (12) penetrates through the second through hole and is screwed into the second screw hole (18).

6. The transformer with the set of neutral point protection devices of claim 1, wherein: the first connecting block (9) is matched with the first groove (15), and the second connecting block (13) is matched with the second groove (17).

7. The transformer with the set of neutral point protection devices of claim 1, wherein: the square plate is characterized in that transverse plates (4) are welded to the upper end and the lower end of the front side of the square plate (3) respectively, and radiating fins (5) are welded to the opposite sides of the two transverse plates (4).