CN214588408U

CN214588408U - Transformer with overload protection function

Info

Publication number: CN214588408U
Application number: CN202121229124.9U
Authority: CN
Inventors: 白玮
Original assignee: Weidianyun Power Technology Shanghai Co ltd
Current assignee: Weidianyun Power Technology Shanghai Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-02
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a transformer with overload protection function, include: the transformer comprises a transformer main body shell, wherein a transformer top head is arranged at the center position above the transformer main body shell; the overload protection box is fixedly arranged on the right side of the transformer top head, and inner conductor columns are symmetrically arranged inside the overload protection box; a spring piece welded to the inner side of the inner conductor post, the inner side of the spring piece being provided with a conductor plate; a load limiting fuse inserted into the inner side of the conductor plate; and the connecting ring is arranged on the right side of the overload protection box, and a compression bolt is arranged inside the connecting ring. The utility model discloses when the fuse is carried to the limit to high tension electricity, if the too big fuse of carrying of limit to load will damage to this effect of playing overload protection, and add elasticity to the conductor board through the spring leaf, have the pin centre gripping of the fuse of carrying the limit between the inner conductor post, play the effect of conveniently changing the fuse of carrying the limit with this.

Description

Transformer with overload protection function

Technical Field

The utility model relates to a transformer technical field specifically is a transformer with overload protection function.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

The existing transformer does not have the problem of external overload protection, and the fuse is inconvenient to replace, and technical innovation is performed on the basis of the existing transformer aiming at the above situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer with overload protection function to propose the problem that current transformer does not possess outside overload protection among the above-mentioned background art of solution, and inconvenient problem of changing the fuse.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer having an overload protection function, comprising: the transformer comprises a transformer main body shell, wherein a transformer top head is arranged at the center position above the transformer main body shell;

the overload protection box is fixedly arranged on the right side of the transformer top head, and inner conductor columns are symmetrically arranged inside the overload protection box;

a spring piece welded to the inner side of the inner conductor post, the inner side of the spring piece being provided with a conductor plate;

a load limiting fuse inserted into the inner side of the conductor plate;

the connecting ring is arranged on the right side of the overload protection box, and a compression bolt is arranged inside the connecting ring;

and the transformer connecting ends are symmetrically arranged on the right side of the transformer main body shell.

Preferably, the connection ring is further provided with:

and the high-voltage wire is fixedly connected below the connecting ring, an insulating tube is sleeved outside the high-voltage wire, and the insulating tube and the high-voltage wire form a fully-enclosed structure.

Preferably, the transformer main body casing is further provided with:

the label box is fixedly arranged at the front end of the transformer main body shell, an information label is arranged inside the label box, and the label box is made of transparent acrylic materials.

Preferably, the transformer top is provided with:

and the mounting columns are symmetrically arranged on the left side and the right side of the transformer plug, and mounting clamping grooves are formed in the top ends of the mounting columns.

Preferably, the mounting slot is further provided with:

the mounting fixture block is fixedly mounted inside the mounting clamping groove, a mounting transverse column is arranged above the mounting fixture block, and the mounting transverse column and the mounting clamping groove form a clamping structure through the mounting fixture block.

Preferably, the mounting post is further provided with:

the retractable groove is symmetrically arranged at the front end of the mounting column, a hoisting ring is arranged inside the retractable groove, and the size of the hoisting ring is matched with that of the retractable groove.

Preferably, the hoisting ring is further provided with:

and the hoisting adjusting sleeve plate is sleeved on the outer wall of the hoisting ring, and the hoisting adjusting sleeve plate and the hoisting ring form a sliding structure.

Compared with the prior art, the utility model provides a transformer with overload protection function possesses following beneficial effect: when the high-voltage electricity passes through the load-limiting fuse, the load-limiting fuse can be damaged if the load is too large, so that the overload protection effect is achieved, the elastic force is added to the conductor plate through the spring piece, the pin of the load-limiting fuse is clamped between the inner conductor columns, and the effect of conveniently replacing the load-limiting fuse is achieved.

1. The utility model can protect the information label through the label box made of transparent acrylic material, so that the information label displaying the detailed information of the device can be stored in the label box, and the information label can be stored for a long time;

2. the mounting fixture block and the mounting transverse column can be clamped and fixed through the mounting clamping groove formed in the mounting column, so that the mounting fixture block and the mounting transverse column are convenient to mount and dismount, and the horizontal stability of the device during mounting can be ensured through the four mounting columns with the same size;

3. the utility model discloses a lifting adjusting sleeve plate slides on the hoisting ring, and the focus of whole device can not change when can guaranteeing four lifting hooks and four hoisting rings to this guarantees can not take place the phenomenon of slope when hoist the device.

Drawings

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

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic structural view of the overload protection case of the present invention;

FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;

fig. 5 is the structural schematic diagram of the lifting adjusting sleeve plate of the utility model.

In the figure: 1. a transformer main body housing; 2. a contraction groove; 3. a transformer plug; 4. an overload protection box; 5. a conductor plate; 6. an insulating tube; 7. a transformer connecting end; 8. mounting a column; 9. hoisting a ring; 10. mounting a clamping block; 11. installing a clamping groove; 12. a label box; 13. an information tag; 14. mounting a transverse column; 15. a connecting ring; 16. a hold-down bolt; 17. a high-voltage wire; 18. an inner conductor post; 19. a load limiting fuse; 20. a spring plate; 21. and (5) hoisting and adjusting the sleeve plate.

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.

As shown in fig. 1 and 2, a transformer having an overload protection function includes: the transformer comprises a transformer main body shell 1, wherein a transformer top head 3 is arranged at the center position above the transformer main body shell 1; the label box 12 is fixedly arranged at the front end of the transformer main body shell 1, the information label 13 is arranged inside the label box 12, the material of the label box 12 is transparent acrylic material, the label box 12 made of transparent acrylic material can protect the information label 13, so that the information label 13 with the detailed device information displayed can be stored inside the label box 12, and the information label 13 can be stored for a long time; the mounting columns 8 are symmetrically arranged on the left side and the right side of the transformer top 3, and mounting clamping grooves 11 are formed in the top ends of the mounting columns 8; the installation fixture block 10 is fixedly installed inside the installation clamping groove 11, an installation transverse column 14 is arranged above the installation fixture block 10, the installation transverse column 14 and the installation clamping groove 11 form a clamping structure through the installation fixture block 10, the installation clamping groove 11 formed in the installation column 8 can clamp and fix the installation fixture block 10 and the installation transverse column 14, the installation fixture block and the installation transverse column are convenient to install and disassemble, and the horizontal stability of the installation device can be guaranteed through the four installation columns 8 with the same size.

As shown in fig. 3, 4 and 5, a transformer having an overload protection function includes: the overload protection box 4 is fixedly arranged on the right side of the transformer top head 3, and inner conductor columns 18 are symmetrically arranged inside the overload protection box 4; a spring piece 20 welded to the inner side of the inner conductor post 18, the inner side of the spring piece 20 being provided with the conductor plate 5; a load limiting fuse 19 inserted inside the conductor plate 5; a connection ring 15 provided on the right side of the overload protection case 4, the connection ring 15 having a pressing bolt 16 provided therein; the transformer connecting ends 7 are symmetrically arranged on the right side of the transformer main body shell 1; the high-voltage lead 17 is fixedly connected below the connecting ring 15, the insulating tube 6 is sleeved outside the high-voltage lead 17, and the insulating tube 6 and the high-voltage lead 17 form a full-surrounding structure; the contraction groove 2 is symmetrically arranged at the front end of the mounting column 8, a hoisting ring 9 is arranged inside the contraction groove 2, and the size of the hoisting ring 9 is matched with that of the contraction groove 2; the lifting adjusting sleeve plate 21 is sleeved on the outer wall of the lifting ring 9, and the lifting adjusting sleeve plate 21 and the lifting ring 9 form a sliding structure; the lifting adjusting sleeve plate 21 slides on the lifting ring 9, so that the gravity center of the whole device can not be changed when the four lifting hooks and the four lifting rings 9 are lifted, and the phenomenon of inclination can not occur when the device is lifted.

The working principle is as follows: when the transformer with the overload protection function is used, firstly, the information tag 13 displaying detailed information of a device is inserted into the tag box 12 to play a role of protecting the information tag 13, secondly, the mounting clamping block 10 and the mounting transverse column 14 can be clamped and fixed through the mounting clamping groove 11 formed in the mounting column 8 to play a role of facilitating mounting and dismounting, secondly, when the load limiting fuse 19 passes through the load limiting fuse 19, the load limiting fuse 19 can be damaged if the load is too large to play a role of overload protection, and the spring leaf 20 applies elasticity to the guide plate 5 to clamp the pin of the load limiting fuse 19 between the inner conductor columns 18, then the connecting ring 15 and the high-voltage lead 17 are fixed through the compression bolt 16, then the high-voltage lead 17 is protected through the insulating tube 6, and finally the lifting adjusting sleeve plate 21 slides on the lifting ring 9, the gravity center of the whole device can not be changed when the four lifting hooks and the four hoisting rings 9 are lifted, and when the hoisting rings 9 are not used, the hoisting rings 9 can be contracted into the contraction tank 2, so that the working principle of the transformer with the overload protection function is realized.

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. A transformer having an overload protection function, comprising:

the transformer comprises a transformer main body shell (1), wherein a transformer top head (3) is arranged at the center position above the transformer main body shell (1);

the overload protection box (4) is fixedly arranged on the right side of the transformer top head (3), and inner conductor columns (18) are symmetrically arranged inside the overload protection box (4);

a spring piece (20) welded to the inside of the inner conductor post (18), wherein a conductor plate (5) is provided on the inside of the spring piece (20);

a load limiting fuse (19) which is inserted into the inside of the conductor plate (5);

the connecting ring (15) is arranged on the right side of the overload protection box (4), and a compression bolt (16) is arranged inside the connecting ring (15);

and the transformer connecting ends (7) are symmetrically arranged on the right side of the transformer main body shell (1).

2. A transformer with overload protection according to claim 1, characterised in that the connection ring (15) is further provided with:

the high-voltage wire (17) is fixedly connected below the connecting ring (15), an insulating tube (6) is sleeved outside the high-voltage wire (17), and the insulating tube (6) and the high-voltage wire (17) form a full-surrounding structure.

3. A transformer with overload protection function according to claim 1, characterized in that the transformer main body casing (1) is further provided with:

the label box (12) is fixedly arranged at the front end of the transformer main body shell (1), an information label (13) is arranged inside the label box (12), and the label box (12) is made of transparent acrylic materials.

4. The transformer with overload protection function according to claim 1, wherein: the transformer top head (3) is provided with:

and the mounting columns (8) are symmetrically arranged on the left side and the right side of the transformer top head (3), and mounting clamping grooves (11) are formed in the top ends of the mounting columns (8).

5. A transformer with overload protection according to claim 4, wherein the mounting slot (11) is further provided with:

the mounting fixture block (10) is fixedly mounted inside the mounting fixture groove (11), a mounting transverse column (14) is arranged above the mounting fixture block (10), and the mounting transverse column (14) and the mounting fixture groove (11) form a clamping structure through the mounting fixture block (10).

6. A transformer with overload protection according to claim 4, characterised in that the mounting posts (8) are further provided with:

shrink groove (2), its symmetry is seted up the front end of erection column (8), the inside of shrink groove (2) is equipped with hoisting ring (9), the size of hoisting ring (9) matches each other with the size of shrink groove (2).

7. A transformer with overload protection according to claim 6, characterised in that the hoisting ring (9) is further provided with:

and the hoisting adjusting sleeve plate (21) is sleeved on the outer wall of the hoisting ring (9), and the hoisting adjusting sleeve plate (21) and the hoisting ring (9) form a sliding structure.