CN215731224U

CN215731224U - Power transformer device easy to radiate heat

Info

Publication number: CN215731224U
Application number: CN202121954307.7U
Authority: CN
Inventors: 纵彦军; 李伟; 张伍登; 梁松涛
Original assignee: Anhui Zhongbian Transformer Co ltd
Current assignee: Anhui Zhongbian Transformer Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-01
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to the technical field of power transformers, in particular to a power transformer device easy to radiate heat, which comprises a transformer body, wherein a heat radiation component for enhancing the convection heat transfer in the external environment of the transformer is arranged on the transformer body, and a heat conduction component matched with the heat radiation component for use is arranged on a shell of the transformer body; the heat dissipation assembly comprises an edge frame fixed on the transformer body, a heat conduction component is arranged on the edge frame, and a plurality of vent holes are formed in the edge frame; the heat conduction component comprises a heat dissipation piece fixed on the inner wall of the side frame, the heat dissipation piece is provided with a plurality of arched parts and recessed parts which are distributed at equal intervals, and a heat dissipation cavity is formed at one side opposite to the two arched parts. The utility model achieves the purpose of improving the heat dissipation effect of the shell of the power transformer, greatly improves the heat dissipation efficiency and the heat dissipation effect of the transformer, increases the heat conduction area relative to the conventional heat dissipation fins, improves the heat conduction efficiency and optimizes the external heat dissipation effect of the transformer.

Description

Power transformer device easy to radiate heat

Technical Field

The utility model relates to the technical field of power transformers, in particular to a power transformer device easy to radiate.

Background

The heat dissipation structure of the transformer has the advantages that a large amount of heat can be generated in the using process of the power transformer, if the heat is not dissipated in time, heat accumulation can be formed, the transformer is burnt due to poor heat dissipation, the heat dissipation capacity is improved by arranging the heat dissipation fins outside the metal shell of the transformer at present, however, the contact area of the rectangular heat dissipation fins and the outside is limited, and the air flow between the rectangular heat dissipation fins and the outside cannot form effective convection, so that the heat dissipation performance of the transformer is limited, and the heat dissipation efficiency and the heat dissipation effect are poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the power transformer device easy to radiate heat, which achieves the aim of improving the radiating effect of the shell of the power transformer, greatly improves the radiating efficiency and the radiating effect of the transformer, increases the heat conduction area relative to the conventional radiating fins, improves the heat conduction efficiency and optimizes the external radiating effect of the transformer.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: a power transformer device easy to radiate heat comprises a transformer body, wherein a heat radiating component for enhancing convection heat transfer in the external environment of the transformer is arranged on the transformer body, and a heat conducting component matched with the heat radiating component is arranged on a shell of the transformer body;

the heat dissipation assembly comprises an edge frame fixed on the transformer body, a heat conduction component is arranged on the edge frame, and a plurality of vent holes are formed in the edge frame;

the heat conduction component comprises a heat dissipation piece fixed on the inner wall of the side frame, a plurality of arched parts and a plurality of sunken parts which are distributed at equal intervals are arranged on the heat dissipation piece, a heat dissipation cavity is formed on one side, opposite to the two arched parts, of each arched part, and through holes are formed in the arched parts.

Furthermore, the top of transformer body is equipped with the end cover, fixedly connected with high-low voltage wiring end on the end cover, and the bottom fixedly connected with base frame of transformer body.

Further, the side frame is formed in a shape of a square-letter, and the heat conduction member is a plurality of fin structures formed by being equidistantly distributed in the X-axis direction.

Further, the shape of the heat conduction member is a combined shape of continuous X-shapes.

Further, the thermal conductance subassembly is including seting up mounting groove and the heat conduction hole on transformer body shell, and the shape of mounting groove is the T font, and the heat conduction hole is located the lateral wall of mounting groove and communicates with the inside of shell.

Further, the inside fixedly connected with of mounting groove is to the sealed closing use's of heat conduction hole closing plate, fixedly connected with heat-conducting plate on the closing plate, heat-conducting plate and radiator unit correspond the setting.

(III) advantageous effects

The utility model provides an easy-to-radiate power transformer device, which has the following beneficial effects:

1. the utility model achieves the purpose of improving the heat dissipation effect of the shell of the power transformer, greatly improves the heat dissipation efficiency and the heat dissipation effect of the transformer, increases the heat conduction area relative to the conventional heat dissipation fins, improves the heat conduction efficiency and optimizes the external heat dissipation effect of the transformer.

2. Because the heat conduction assembly is arranged, the heat conduction assembly corresponding to the heat dissipation assembly is arranged on the shell of the transformer, so that the capability of conducting heat inside the shell to the outside can be improved, the heat generated in the shell is transferred to the heat dissipation assembly in a heat conduction mode, the heat dissipation capability of the heat dissipation assembly on the heat of the transformer is improved, and the heat dissipation effect of the transformer is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is an axial schematic view of the present invention;

FIG. 2 is a schematic structural diagram of a heat dissipation assembly according to the present invention;

FIG. 3 is an exploded view of the heat sink assembly of the present invention;

FIG. 4 is a schematic structural view of a heat transfer assembly according to the present invention;

FIG. 5 is a schematic structural diagram of a housing in the transformer body according to the present invention;

FIG. 6 is a schematic structural diagram of a thermal conduction assembly according to the present invention.

In the figure: 1. a transformer body; 2. a heat dissipating component; 21. a side frame; 22. a heat conductive member; 221. a heat sink; 222. an arching portion; 223. a heat dissipation cavity; 224. a through hole; 225. a recessed portion; 23. a vent hole; 3. a thermally conductive assembly; 31. mounting grooves; 32. a heat conduction hole; 33. a sealing plate; 34. a heat conducting plate; 4. an end cap; 5. a base frame.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

FIGS. 1-6 illustrate one embodiment of the present invention: a power transformer device easy to radiate heat comprises a transformer body 1, wherein a radiating component 2 for enhancing the convection heat transfer in the external environment of the transformer is arranged on the transformer body 1, a heat conducting component 3 matched with the radiating component 2 for use is arranged on the shell of the transformer body 1, an end cover 4 is arranged at the top of the transformer body 1, a high-voltage wiring terminal and a low-voltage wiring terminal are fixedly connected onto the end cover 4, and a base frame 5 is fixedly connected onto the bottom of the transformer body 1;

the heat dissipation assembly 2 comprises an edge frame 21 fixed on the transformer body 1, a heat conduction component 22 is arranged on the edge frame 21, and a plurality of vent holes 23 are formed in the edge frame 21;

the heat conduction component 22 includes a heat dissipation member 221 fixed on the inner wall of the side frame 21, the heat dissipation member 221 is provided with a plurality of protruding parts 222 and recessed parts 225 which are distributed at equal intervals, a heat dissipation cavity 223 is formed on one side opposite to the two protruding parts 222, through holes 224 are formed on the protruding parts 222, the side frame 21 is in a shape of a Chinese character 'hui', the heat conduction component 22 is in a plurality of heat dissipation fin structures which are distributed at equal intervals in the X-axis direction, and the heat conduction component 22 is in a combined shape of a continuous X shape.

Through set up radiator unit 2 on transformer body 1's shell, can improve its convection heat transfer ability for ordinary fin structure, ventilation hole 23 on the frame 21 can strengthen the ventilation ability of heat-conducting part 22 and external environment, make the wind direction can get into its inside by the X axial and carry out heat-conduction, the heat-conducting part 22 of continuous X form integrated configuration can improve simultaneously and connect with external environment's effective contact surface, and form heat dissipation chamber 223 through the butt joint of both sides hunch-up portion 222, cooperation through-hole 224 can effectively improve heat-conducting part 22's convection heat transfer ability.

The thermal conduction subassembly 3 is including seting up mounting groove 31 and the heat conduction hole 32 on the shell of transformer body 1, and the shape of mounting groove 31 is the T font, and the heat conduction hole 32 is located the lateral wall of mounting groove 31 and communicates with the inside of shell, and the inside fixedly connected with of mounting groove 31 is to the sealed closed closing seal board 33 who uses of heat conduction hole 32, fixedly connected with heat-conducting plate 34 on the seal board 33, and heat-conducting plate 34 sets up with radiator unit 2 is corresponding.

Due to the arrangement of the heat conducting component 3, the heat conducting component 3 corresponding to the heat radiating component 2 is arranged on the shell of the transformer, the sealing plate 33 is arranged in the mounting groove 31 and seals and closes the heat conducting hole 32 on the sealing plate, so that the inside of the shell can be contacted with the copper sealing plate 33 through the heat conducting hole 32, heat is conducted to the heat conducting plate 34 of the graphite sheet from the sealing plate 33, meanwhile, the heat conducting part 22 corresponds to and is contacted with the heat conducting plate 34, the capability of conducting heat to the outside of the transformer is improved, the capability of conducting heat to the outside of the shell can be improved, the heat generated in the shell is conducted to the heat radiating component 2 in a heat conducting mode, the heat radiating capability of the heat radiating component 2 to the heat of the transformer is improved, and the heat radiating effect of the transformer is improved.

In the working process of the present embodiment, the heat dissipation assembly 2 is disposed on the housing of the transformer body 1, and the heat conduction capability of the heat dissipation assembly can be improved relative to a common heat dissipation plate structure, the ventilation holes 23 on the side frame 21 can enhance the ventilation capability of the heat conduction component 22 and the external environment, so that the wind direction can enter the interior of the heat conduction component from the X axis direction to conduct heat, meanwhile, the heat conduction component 22 of the continuous X-shaped combination structure can improve the effective contact surface with the external environment, and the heat dissipation cavity 223 is formed by butt-joint of the two side arch portions 222, and the heat conduction capability of the heat conduction component 22 can be effectively improved by the matching through holes 224.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an easy radiating power transformer device, includes transformer body (1), its characterized in that: the transformer comprises a transformer body (1), wherein a heat dissipation assembly (2) for enhancing convection heat transfer in the external environment of the transformer is arranged on the transformer body (1), and a heat conduction assembly (3) matched with the heat dissipation assembly (2) for use is arranged on the shell of the transformer body (1);

the heat dissipation assembly (2) comprises an edge frame (21) fixed on the transformer body (1), a heat conduction component (22) is arranged on the edge frame (21), and a plurality of vent holes (23) are formed in the edge frame (21);

the heat conduction component (22) comprises a heat dissipation part (221) fixed on the inner wall of the side frame (21), a plurality of arched parts (222) and recessed parts (225) are arranged on the heat dissipation part (221) at equal intervals, a heat dissipation cavity (223) is formed on one side, opposite to the two arched parts (222), of each arched part (222), and a through hole (224) is formed in each arched part (222).

2. An easy heat dissipation power transformer apparatus as recited in claim 1, wherein: the side frame (21) is in a shape of a Chinese character 'hui', and the heat conduction member (22) is a plurality of fin structures formed by being equidistantly distributed in the X-axis direction.

3. An easy heat dissipation power transformer apparatus as recited in claim 1, wherein: the shape of the heat conduction member (22) is a combined shape of continuous X-shapes.

4. An easy heat dissipation power transformer apparatus as recited in claim 1, wherein: thermal conductance subassembly (3) are including offering mounting groove (31) and heat conduction hole (32) on transformer body (1) shell, and the shape of mounting groove (31) is the T font, and heat conduction hole (32) are located the lateral wall of mounting groove (31) and communicate with the inside of shell.

5. An easy heat dissipation power transformer apparatus as recited in claim 4, wherein: the inside fixedly connected with of mounting groove (31) is to sealed closing seal plate (33) of using of heat conduction hole (32), fixedly connected with heat-conducting plate (34) on seal plate (33), and heat-conducting plate (34) and radiator unit (2) correspond the setting.

6. An easy heat dissipation power transformer apparatus as recited in claim 1, wherein: the top of transformer body (1) is equipped with end cover (4), fixedly connected with high-low voltage wiring end on end cover (4), and the bottom fixedly connected with base frame (5) of transformer body (1).