CN213242200U

CN213242200U - Autotransformer modular structure

Info

Publication number: CN213242200U
Application number: CN202022448696.8U
Authority: CN
Inventors: 胡海宝; 刘湘宁; 王依晗; 冀文杰; 张硕
Original assignee: Tianjin Aviation Mechanical and Electrical Co Ltd
Current assignee: Tianjin Aviation Mechanical and Electrical Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-18
Anticipated expiration: 2030-10-29

Abstract

The utility model belongs to the technical field of the transformer, a autotransformer modular structure is disclosed, this autotransformer modular structure include the iron core and around the coil on the iron core, still include: the circuit board is connected with the coil; the socket is arranged on the circuit board; and the fixing device is used for fixing the iron core, the coil and the circuit board together. The socket and the coil are electrically connected through the circuit board, the socket is used for being connected with other circuits, plugs of other circuits are plugged into the socket, the connection between the autotransformer modular structure and other circuits can be completed, the mode that the coil is tapped to weld the lead is not needed to be used for being connected with other circuits, the risks of artificial wiring errors and the abrasion or disconnection of the insulating layer of the lead can be effectively avoided, and the socket is convenient to connect or disassemble and high in efficiency.

Description

Autotransformer modular structure

Technical Field

The utility model relates to a transformer technical field especially relates to an autotransformer modular structure.

Background

With the rapid development of electrification industry, the power supply mode of the autotransformer is greatly developed. The autotransformer is applied to occasions without primary and secondary isolation, and is commonly applied to an alternating current voltage regulator, a transformer in a household small alternating current voltage stabilizer, a transformer in a three-phase motor autotransformer voltage reduction starting box and the like. The existing autotransformer generally comprises an iron core, a winding, angle iron and bolts, is connected with other circuits in a mode of welding a lead by a winding tap, and is low in circuit disconnection efficiency and easy to cause artificial wiring errors and risks of abrasion or disconnection of an insulating layer of the lead.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an autotransformer modular structure to solve current autotransformer and adopt the winding to take a percentage welding wire and other circuit connection's mode disconnect circuit inefficiency and easily lead to the insulating layer wearing and tearing or the risk of broken string of artificial wiring mistake and wire.

To achieve the purpose, the utility model adopts the following technical proposal:

an autotransformer modular structure comprising an iron core and a coil wound on said iron core, further comprising:

a circuit board connected with the coil;

the socket is arranged on the circuit board;

a fixing device for fixing the core, the coil and the circuit board together.

Preferably, a needle frame is pre-embedded in the coil, a contact pin is arranged on the needle frame, and the contact pin is fixedly connected with the circuit board.

Preferably, the fixing means comprises a bracket and a strap that binds the coil and the core to the bracket.

Preferably, the bracket has two fixing plates disposed opposite to each other, the coil and the core are located between the two fixing plates, and the band tightens the core and the two fixing plates.

Preferably, the bracket is provided with an insertion part, the insertion part is connected between the two fixing plates, and the insertion part is inserted into the coil.

Preferably, the fixing plate is provided with a limiting groove, and the binding belt penetrates through the limiting groove.

Preferably, the bracket is provided with a mounting hole.

Preferably, the circuit board and the bracket are connected by bolts.

Preferably, the support is made of a metal plate.

Preferably, the transformer further comprises an insulating plug piece, wherein the insulating plug piece is inserted into the coil and abuts against the iron core and the coil.

The utility model has the advantages that: the modular structure of the autotransformer comprises an iron core and a coil wound on the iron core, a circuit board is connected with the coil, a socket is arranged on the circuit board, and a fixing device is used for fixing the iron core, the coil and the circuit board together. The socket and the coil are electrically connected through the circuit board, the socket is used for being connected with other circuits, plugs of other circuits are plugged into the socket, the connection between the autotransformer modular structure and other circuits can be completed, the mode that the coil is tapped to weld the lead is not needed to be used for being connected with other circuits, the risks of artificial wiring errors and the abrasion or disconnection of the insulating layer of the lead can be effectively avoided, and the connection or the disassembly is convenient, and the efficiency is high.

Drawings

Fig. 1 is an exploded schematic view of an autotransformer modular structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an autotransformer modular structure according to an embodiment of the present invention;

fig. 3 is an assembly schematic diagram of the autotransformer modular structure provided by the embodiment of the present invention on a product.

In the figure: 1. a circuit board; 2. a socket; 3. a coil; 4. an iron core; 5. a fixing device; 6. a needle frame; 7. an insulating plug; 51. a support; 52. a belt; 511. a fixing plate; 512. a plug-in part; 513. and (7) installing holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to 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 only for descriptive purposes and are not intended to have a special meaning.

The utility model provides an autotransformer modular structure can effectively avoid the insulating layer wearing and tearing or the risk of broken string of people's wiring mistake and wire and wiring efficiently.

As shown in fig. 1-2, the autotransformer modular structure includes a core 4, a coil 3, a circuit board 1, a socket 2, and a fixture 5, wherein: the coil 3 is wound on the iron core 4, the circuit board 1 is connected with the coil 3, the socket 2 is arranged on the circuit board 1, and the fixing device 5 is used for fixing the iron core 4, the coil 3 and the circuit board 1 together. Wherein the socket 2 and the coil 3 are electrically connected through the circuit board 1, and the socket 2 is used for connecting with other circuits. Specifically as shown in fig. 3, the plug of other circuits is plugged into the socket 2 to complete the connection of the autotransformer modular structure and other circuits, the mode of tapping a welding wire by using the coil 3 is not needed to be connected with other circuits, the risk of artificial wiring errors and the abrasion of an insulating layer of the wire or wire breakage can be effectively avoided, the connection or the disassembly is convenient, the efficiency is high, the fixing device 5 fixes the iron core 4, the coil 3 and the circuit board 1 together, the coil 3 and the circuit board 1 are made to be of the modular structure, and the replacement and the assembly of the autotransformer modular structure by using the equipment of the autotransformer modular structure can be facilitated.

Preferably, a needle frame 6 is embedded in the coil 3, and a contact pin is arranged on the needle frame 6 and fixedly connected with the circuit board 1. The connection of the coil 3 and the circuit board 1 is realized in the mode, the occupied space is small, and the connection is simple and convenient.

Preferably, the fixing device 5 includes a bracket 51 and a strap 52, and the strap 52 binds the coil 3 and the iron core 4 to the bracket 51. The coil 3 and the iron core 4 are bound to the bracket 51 by the binding band 52, and the operation is convenient.

Preferably, the bracket 51 has two fixing plates 511 disposed opposite to each other, the coil 3 and the core 4 are positioned between the two fixing plates 511, and the band 52 tightens the core 4 and the two fixing plates 511. The iron core 4 can not move to the side with the fixing plate 511 in the coil 3, the structure is simple, and the fixing effect is good.

Preferably, the bracket 51 is provided with a plug part 512, the plug part 512 is connected between the two fixing plates 511, and the plug part 512 is plugged in the coil 3. The plug 512 and the fixing plate 511 are an integral structure. This auto transformer modular structure still can carry out vacuum dip coating after the assembly is accomplished and handle, make the dip coating material be full of all clearances in this auto transformer modular structure, the dip coating material solidifies in the clearance, make auto transformer modular structure have good heat dispersion and reliable structural strength, grafting portion 512 is pegged graft in coil 3, make full use of coil 3 inner space, and the vacuum dip coating handles the back, the heat in the coil 3 can be exported to fixed plate 511 through grafting portion 512, thereby reach better heat dissipation.

Preferably, the fixing plate 511 is provided with a stopper groove through which the strap 52 passes. The limiting groove can limit the belt 52, prevent the belt 52 from moving up and down, and can better fix the coil 3 and the iron core 4 on the bracket 51.

As shown in fig. 3, the bracket 51 is preferably provided with a mounting hole 513. The self-coupling transformer modular structure is fixed with other components through the mounting holes 513 by using bolts and nuts, and the operation is simple and convenient.

Preferably, the circuit board 1 and the bracket 51 are connected by bolts. The circuit board 1 can be further fixed, and the fixing mode is simple.

Preferably, the bracket 51 is made of sheet metal. The panel beating intensity is high and the heat conductivity is good, support coil 3 and iron core 4 that can be better to it is fast to make this auto transformer modular structure heat dissipation.

Preferably, the transformer further comprises an insulation plug 7, wherein the insulation plug 7 is inserted into the coil 3 and abuts against the iron core 4 and the coil 3. And the insulation plug 7 is used for filling the gap between the iron core 4 and the coil 3, so that the modular structure of the autotransformer is stable and reliable.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An autotransformer modular structure comprising an iron core (4) and a coil (3) wound on said iron core (4), characterized in that it further comprises:

a circuit board (1), the circuit board (1) being connected to the coil (3);

a socket (2), the socket (2) being provided to the circuit board (1);

a fixing device (5), the fixing device (5) being used to fix the iron core (4), the coil (3) and the circuit board (1) together.

2. The autotransformer modular structure according to claim 1, wherein a pin holder (6) is embedded in the coil (3), and a pin is arranged on the pin holder (6) and fixedly connected with the circuit board (1).

3. The autotransformer modular structure according to claim 1, wherein the fixing means (5) comprises a bracket (51) and a strap (52), the strap (52) tying the coil (3) and the iron core (4) to the bracket (51).

4. The autotransformer modular structure according to claim 3, wherein the bracket (51) has two oppositely disposed fixing plates (511), the coil (3) and the core (4) are located between the two fixing plates (511), and the strap (52) tightens the core (4) and the two fixing plates (511).

5. The autotransformer modular structure according to claim 4, wherein the bracket (51) is provided with a plug-in part (512), the plug-in part (512) is connected between the two fixing plates (511), and the plug-in part (512) is plugged into the coil (3).

6. Modular structure of autotransformers, according to claim 4, characterized in that said fixing plate (511) is provided with a limiting slot through which said tie-strap (52) passes.

7. The autotransformer modular structure according to claim 3, wherein the bracket (51) is provided with mounting holes (513).

8. The autotransformer modular structure according to claim 3, wherein the circuit board (1) is bolted to the bracket (51).

9. The autotransformer modular structure according to claim 3, wherein the support (51) is made of sheet metal.

10. The autotransformer modular structure according to claim 1, further comprising an insulating plug (7), wherein the insulating plug (7) is plugged into the coil (3) and abuts against the core (4) and the coil (3).