CN209785717U

CN209785717U - Novel rectifier transformer

Info

Publication number: CN209785717U
Application number: CN201921040755.9U
Authority: CN
Inventors: 沈运静; 彭文威
Original assignee: Jinmeijia Electronics Shenzhen Co Ltd
Current assignee: Jinmeijia Electronics Shenzhen Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2019-12-13
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to a power equipment technical field discloses a novel rectifier transformer, which comprises a housin, the rear side on the top of casing is provided with three high-voltage bushing, and the top of casing is close to high-voltage bushing's front side and be provided with three low-voltage bushing, the four sides in the outside of casing all are provided with the fin, and the bottom of casing is provided with a set of mounting bracket, the internally mounted of casing has the ware body. The utility model discloses an upper fixing frame and lower mounting are fixed the iron core, make the inside fixed connection of support frame and casing through the bolt, thereby be convenient for assemble and disassemble the ware body, the convenience is overhauld and is maintained it, connect first cell type piece and second cell type piece through two sets of stay tubes, spacing the interval between first cell type piece and the second cell type piece, thereby can prevent that the long screw from screwing up ground tension, extrude the iron core, cause the iron core to warp impaired, security when having improved the installation of ware body.

Description

Novel rectifier transformer

Technical Field

the utility model relates to a power equipment technical field specifically is a novel rectifier transformer.

Background

The rectifier transformer is a power transformer of rectifier equipment, and the rectifier equipment is characterized by that the primary side inputs AC, and the secondary side outputs DC after passing through rectifier element, and the AC is a general name of three working modes of rectification, counter-current and frequency conversion, and the transformer used as power supply of rectifier device is called rectifier transformer, and the industrial rectified DC power supply is mostly obtained by using rectifier equipment formed from AC power network and rectifier through rectifier transformer, and in the modern day, its huge application can be directly or indirectly seen in almost every field.

the chinese patent discloses a rectifier transformer (No. CN 208225689U), which can greatly reduce the vibration of the end of the iron core by using elastic wood lining and sound-absorbing sponge, thus reducing the magnetostrictive noise of the silicon steel sheet; in addition, reasonable structure setting also can be with whole rectifier transformer's manufacturing cost greatly reduced, and the security performance can obtain fine guarantee again, but, it is inconvenient to assemble and disassemble the ware body to be inconvenient to overhaul it. Accordingly, a person skilled in the art provides a new type of rectifier transformer to solve the problems set forth in the background art.

Disclosure of Invention

an object of the utility model is to provide a novel rectifier transformer 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 novel rectifier transformer comprises a shell, wherein three high-voltage sleeves are arranged on the rear side of the top end of the shell, three low-voltage sleeves are arranged on the top end of the shell close to the front sides of the high-voltage sleeves, radiating fins are arranged on four sides of the outer side of the shell, a group of mounting frames are arranged at the bottom end of the shell, and a transformer body is arranged in the shell;

the transformer body comprises an iron core, an upper fixing frame is arranged at the upper end of the outer side of the iron core, a lower fixing frame is arranged at the lower end of the outer side of the iron core, three groups of windings are arranged in the middle of the outer side of the iron core, a plurality of supporting frames are arranged at the bottom end of the lower fixing frame, and the upper fixing frame and the lower fixing frame are identical in structure;

The lower fixing frame comprises a first groove-shaped block, a group of supporting pipes are arranged at two ends of the rear side of the first groove-shaped block, a second groove-shaped block is arranged at the rear end of each supporting pipe, a long screw rod penetrates through the inner side of each supporting pipe, and the first groove-shaped block and the second groove-shaped block are identical in structure.

As a further aspect of the present invention: the long screw rod penetrates through the inner sides of the first groove-shaped block, the supporting pipe and the second groove-shaped block in sequence, and the first groove-shaped block, the supporting pipe and the second groove-shaped block are fixedly connected through the long screw rod.

As a further aspect of the present invention: the first groove-shaped block comprises a groove-shaped block body, a group of second mounting holes are formed in two ends of the inner side of the groove-shaped block body, and a plurality of groups of first mounting holes are formed in the bottom end of the inner side of the groove-shaped block body.

As a further aspect of the present invention: the supporting tube comprises a hollow tube, the front end of the hollow tube is fixedly connected with a second flange, and the rear end of the hollow tube is fixedly connected with a first flange.

As a further aspect of the present invention: the lower fixing frame is fixedly connected with the supporting frame through bolts, and the supporting frame is fixedly connected with the bottom end of the inside of the shell through bolts.

As a further aspect of the present invention: the first flange plate is in contact connection with the front end of the second groove-shaped block, and the second flange plate is in contact connection with the rear end of the first groove-shaped block.

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

Fix the iron core through upper fixed frame and lower mount, make the inside fixed connection of support frame and casing through the bolt, thereby be convenient for assemble and disassemble the ware body, conveniently overhaul and maintain it, connect first groove type piece and second groove type piece through two sets of stay tubes, spacing the interval between first groove type piece and the second groove type piece, thereby can prevent that the long screw from screwing up ground overtightening, extrude the iron core, cause the iron core to warp impaired, security when having improved the installation of ware body.

Drawings

FIG. 1 is a schematic structural diagram of a novel rectifier transformer;

FIG. 2 is an assembly diagram of a novel rectifier transformer;

Fig. 3 is a schematic structural diagram of a body in a novel rectifier transformer;

FIG. 4 is a partially exploded view of a lower mounting bracket of a novel rectifier transformer;

FIG. 5 is a schematic structural diagram of a first slot type block in a novel rectifier transformer;

fig. 6 is a schematic structural diagram of a support tube in a novel rectifier transformer.

In the figure: 1. a housing; 2. a body; 21. an iron core; 22. an upper fixing frame; 23. a winding; 24. a lower fixing frame; 241. a first channel block; 2411. a trough-shaped block body; 2412. a first mounting hole; 2413. a second mounting hole; 242. a second channel block; 243. supporting a tube; 2431. a hollow tube; 2432. a first flange plate; 2433. a second flange plate; 244. a long screw; 25. a support frame; 3. a heat sink; 4. a low-pressure bushing; 5. a high voltage bushing; 6. and (7) mounting frames.

Detailed Description

Referring to fig. 1 to 6, in an embodiment of the present invention, a novel rectifier transformer includes a casing 1, three high voltage bushings 5 are disposed on a rear side of a top end of the casing 1, three low voltage bushings 4 are disposed on a front side of the top end of the casing 1, which is close to the high voltage bushings 5, cooling fins 3 are disposed on four sides of an outer side of the casing 1, a set of mounting frames 6 is disposed at a bottom end of the casing 1, and a transformer body 2 is mounted inside the casing 1;

The transformer body 2 comprises an iron core 21, an upper fixing frame 22 is arranged at the upper end of the outer side of the iron core 21, a lower fixing frame 24 is arranged at the lower end of the outer side of the iron core 21, three groups of windings 23 are arranged in the middle of the outer side of the iron core 21, a plurality of supporting frames 25 are arranged at the bottom end of the lower fixing frame 24, and the upper fixing frame 22 and the lower fixing frame 24 have the same structure;

the lower fixing frame 24 includes a first channel block 241, a set of support tubes 243 are disposed at both ends of the rear side of the first channel block 241, a second channel block 242 is disposed at the rear end of the support tubes 243, a long screw 244 is disposed through the inner side of the support tubes 243, and the first channel block 241 and the second channel block 242 have the same structure.

in fig. 4: the long screw 244 passes through the inside of the first channel block 241, the support pipe 243, and the second channel block 242 in this order, and the first channel block 241, the support pipe 243, and the second channel block 242 are fixedly connected by the long screw 244, so that the core 21 can be fixed between the first channel block 241 and the second channel block 242 by the long screw 244.

in fig. 5: the first groove-shaped block 241 comprises a groove-shaped block body 2411, a group of second mounting holes 2413 are formed in two ends of the inner side of the groove-shaped block body 2411, and a plurality of groups of first mounting holes 2412 are formed in the bottom end of the inner side of the groove-shaped block body 2411, so that the long screw 244 can be conveniently threaded and the groove-shaped block body 2411 and the support frame 25 can be conveniently fixed.

In fig. 6: the support tube 243 includes a hollow tube 2431, a second flange 2433 is fixedly coupled to a front end of the hollow tube 2431, and a first flange 2432 is fixedly coupled to a rear end of the hollow tube 2431, so that the long screw 244 can penetrate through the inside of the support tube 243.

In fig. 1 and 3: the lower fixing frame 24 is fixedly connected with the supporting frame 25 through bolts, so that the lower fixing frame 24 is fixed with the supporting frame 25, the supporting frame 25 is fixedly connected with the bottom end of the inside of the shell 1 through bolts, and the supporting frame 25 is fixed with the shell 1.

in fig. 4 and 6: the first flange 2432 is in contact connection with the front end of the second channel block 242, and the second flange 2433 is in contact connection with the rear end of the first channel block 241, so that the distance between the first channel block 241 and the second channel block 242 can be limited by the support tube 243, and the first channel block 241, the iron core 21 and the second channel block 242 can maintain proper pressure to prevent the iron core 21 from being deformed.

the above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel rectifier transformer comprises a shell (1), and is characterized in that three high-voltage bushings (5) are arranged on the rear side of the top end of the shell (1), three low-voltage bushings (4) are arranged on the front side, close to the high-voltage bushings (5), of the top end of the shell (1), radiating fins (3) are arranged on four sides of the outer side of the shell (1), a group of mounting frames (6) are arranged at the bottom end of the shell (1), and a transformer body (2) is arranged inside the shell (1);

The transformer body (2) comprises an iron core (21), an upper fixing frame (22) is arranged at the upper end of the outer side of the iron core (21), a lower fixing frame (24) is arranged at the lower end of the outer side of the iron core (21), three groups of windings (23) are arranged in the middle of the outer side of the iron core (21), a plurality of supporting frames (25) are arranged at the bottom end of the lower fixing frame (24), and the upper fixing frame (22) and the lower fixing frame (24) are identical in structure;

The lower fixing frame (24) comprises a first groove-shaped block (241), a group of supporting pipes (243) are arranged at two ends of the rear side of the first groove-shaped block (241), a second groove-shaped block (242) is arranged at the rear end of each supporting pipe (243), a long screw (244) penetrates through the inner side of each supporting pipe (243), and the first groove-shaped block (241) and the second groove-shaped block (242) are identical in structure.

2. The novel rectifier transformer of claim 1, wherein the long screw (244) penetrates through the inner sides of the first trough-shaped block (241), the support tube (243) and the second trough-shaped block (242) in sequence, and the first trough-shaped block (241), the support tube (243) and the second trough-shaped block (242) are fixedly connected through the long screw (244).

3. The novel rectifier transformer of claim 1, wherein the first slot-type block (241) comprises a slot-type block body (2411), wherein a set of second mounting holes (2413) are formed at both ends of the inner side of the slot-type block body (2411), and a plurality of sets of first mounting holes (2412) are formed at the bottom end of the inner side of the slot-type block body (2411).

4. The novel rectifier transformer of claim 1, characterized in that the support tube (243) comprises a hollow tube (2431), a second flange (2433) is fixedly connected to the front end of the hollow tube (2431), and a first flange (2432) is fixedly connected to the rear end of the hollow tube (2431).

5. The novel rectifier transformer of claim 1, characterized in that, the lower fixing frame (24) is fixedly connected with the supporting frame (25) through bolts, and the supporting frame (25) is also fixedly connected with the bottom end of the interior of the casing (1) through bolts.

6. The novel rectifier transformer of claim 4, characterized in that the first flange plate (2432) is in contact connection with the front end of the second channel block (242), and the second flange plate (2433) is in contact connection with the rear end of the first channel block (241).