CN210223727U

CN210223727U - High-efficient transformer heat abstractor

Info

Publication number: CN210223727U
Application number: CN201921067960.4U
Authority: CN
Inventors: Yangxin Wang; 王杨鑫
Original assignee: Chengdu Chenxi Electric Power Co Ltd
Current assignee: Chengdu Chenxi Electric Power Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-03-31
Anticipated expiration: 2029-07-10

Abstract

The utility model belongs to the technical field of the transformer technique and specifically relates to a high-efficient transformer heat abstractor, including the transformer box body, one side hinged joint of transformer box body has the chamber door, a plurality of radiating fin of other three sides fixedly connected with of transformer box body, the winding has been placed to the inboard of transformer box body, the relative winding department in top of transformer box body opens there is the through-hole, the solid fixed ring of the relative through-hole fixedly connected with in top of transformer box body, gu two supporting shoes of one end fixedly connected with of transformer box body are kept away from to fixed ring, gu fixed ring's one end fixedly connected with heat insulating board is kept away from to two supporting shoes, the relative winding department in bottom of transformer box body opens there is the through hole, the relative through hole play fixedly connected with supporting. The utility model discloses simple structure is worth promoting.

Description

High-efficient transformer heat abstractor

Technical Field

The utility model relates to a transformer technical field especially relates to a high-efficient transformer heat abstractor.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core (magnetic core), the transformer is an important component in a power system, and the main functions are as follows: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: power transformer and special transformer (electric stove becomes, rectification flow becomes, power frequency test transformer, the voltage regulator, mining becomes, audio transformer, the intermediate frequency transformer, high frequency transformer, impulse transformer, the transformer for the appearance, electronic transformer, the reactor, mutual-inductor etc.), the transformer can produce the heat with the winding in the course of the work, if not with the heat removal then can influence the operating condition of transformer, traditional radiating mode is that open at the side of transformer box and bottom has the through-hole, install the fan at the bottom, realize the inside heat dissipation of transformer, but this kind of mode, make the air from the side get into, go out from the bottom, the contact time of the part winding that generates heat is not long in air and the transformer, cause the radiating effect relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not good shortcoming of transformer radiating effect that exists among the prior art, and the high-efficient transformer heat abstractor who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-efficiency transformer heat dissipation device is designed, which comprises a transformer box body, wherein one side of the transformer box body is hinged with a box door, the other three sides of the transformer box body are fixedly connected with a plurality of radiating fins, the inner side of the transformer box body is provided with a winding, the top end of the transformer box body is provided with a through hole corresponding to the winding, a fixing ring is fixedly connected with the top end of the transformer box body corresponding to the through hole, one end of the fixing ring, which is far away from the transformer box body, is fixedly connected with two supporting blocks, one end of the two supporting blocks, which is far away from the fixing ring, is fixedly connected with a heat insulation plate, a through hole is arranged at the bottom end of the transformer box body opposite to the winding, a supporting sleeve is fixedly connected at the outer side of the bottom end of the transformer box body opposite to the through hole, the inside air suction mechanism of installing of support sleeve, the bottom four corners department fixedly connected with support column of transformer box.

Preferably, the air suction mechanism comprises a support frame, a protruding portion of the support frame is fixedly connected with the inner side wall of the support sleeve, a stepped hole is formed in the axis of the support frame, a stepped shaft is placed in the stepped hole, one end, far away from the stepped hole, of the stepped shaft is fixedly connected with a plurality of fan blades, and one end, penetrating through the stepped hole, of the stepped shaft is connected with a motor.

Preferably, an air inlet is formed in the side face of the transformer box body, an L-shaped pipeline is fixedly connected to the inner side of the transformer box body opposite to the air inlet, the other end of the L-shaped pipeline is communicated with an elongated pipe, and one end, far away from the L-shaped pipeline, of the elongated pipe is located at the top of the winding.

Preferably, a first filter screen is placed in the through hole, the first filter screen is located above the fan blade, and the first filter screen is in interference fit with the inner side of the through hole.

Preferably, install the second filter screen in the through-hole, be interference fit between second filter screen and the through-hole, the L-shaped pipeline has been close to air inlet department and has been placed the third filter screen, be interference fit between third filter screen and the L-shaped pipeline inside wall.

The utility model provides a pair of high-efficient transformer heat abstractor, beneficial effect lies in:

1. the utility model has the advantages that the through hole is arranged at the top end of the transformer box body, the through hole is arranged at the bottom end of the transformer box body, and the fan blades are arranged in the through hole, so that the air in the transformer box body can fully contact with the winding in the flowing process;

2. the utility model can prevent rainwater from entering the transformer box body from the through hole by arranging the heat insulation board, and prevent the transformer box body from being exposed to the sun, so as to cause the temperature in the transformer box body to rise;

3. the utility model discloses a set up L shape pipeline, extension pipe and can strengthen the interior air flow of transformer.

Drawings

Fig. 1 is a schematic structural view of a high-efficiency transformer heat dissipation device provided by the present invention;

fig. 2 is a side view of a high-efficiency transformer heat dissipation device provided by the present invention;

fig. 3 is a side sectional view of a high-efficiency transformer heat dissipation device provided by the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is the utility model provides a support frame structure sketch map among high-efficient transformer heat abstractor.

In the figure: the transformer box comprises a transformer box body 1, support columns 2, a support sleeve 3, radiating fins 4, air inlet holes 5, support blocks 6, fixing rings 7, a heat insulation plate 8, a box door 9, a winding 10, a third filter screen 11, an L-shaped pipeline 12, an extension pipe 13, a through hole 14, a second filter screen 15, a motor 16, a support frame 17, fan blades 18, a stepped shaft 19, a first filter screen 20, a stepped hole 21 and a through hole 22.

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.

Referring to fig. 1-5, a high-efficient transformer heat abstractor, including transformer box 1, transformer box 1 installs outdoors, one side hinged joint of transformer box 1 has chamber door 9, a plurality of radiating fin 4 of three other side fixedly connected with of transformer box 1, radiating fin 4 is all installed except one side of chamber door 9, winding 10 has been placed to transformer box 1's inboard, the relative winding 10 department in top of transformer box 1 opens there is through-hole 14, the relative through-hole 14 department fixedly connected with solid fixed ring 7 in top of transformer box 1, gu fixed ring 7 can prevent that the rainwater from flowing into transformer box 1 from through-hole 14, gu fixed ring 7 keeps away from two supporting shoes 6 of the one end fixedly connected with of transformer box 1, the one end fixedly connected with heat insulating board 8 that solid fixed ring 7 was kept away from to two supporting shoes 6.

The bottom of transformer box 1 is located to open relative winding 10 and is had through hole 22, the relative through hole 22 play fixedly connected with support sleeve 3 in the bottom outside of transformer box 1, the suction mechanism is installed to support sleeve 3 inboard, suction mechanism includes support frame 17, the protruding portion of support frame 17 and the inside wall fixed connection of support sleeve 3, support frame 17 axis department is opened there is shoulder hole 21, step shaft 19 has been placed in the shoulder hole 21, the one end fixedly connected with a plurality of fan blades 18 of shoulder hole 21 are kept away from to step shaft 19, the one end that step shaft 19 passed shoulder hole 21 is connected with motor 16.

Supporting sleeve 3 can avoid the taking of suction mechanism to 1 inner space of transformer box, and the bottom four corners department fixedly connected with support column 2 of transformer box 1, support column 2 can avoid transformer box 1 when placing, and 1 bottom supporting sleeve 3 of transformer box is direct and ground contact, plays the effect of protection supporting sleeve 3.

Open transformer box 1's side has inlet port 5, L venturi tube says that 12 is close to inlet port 5 department and has placed third filter screen 11, be interference fit between third filter screen 11 and the L venturi tube 12 inside wall, transformer box 1's the relative inlet port 5 department fixedly connected with L venturi tube 12 in inboard, L venturi tube says that 12 other end intercommunication has extension pipe 13, the one end that L venturi tube said 12 was kept away from to extension pipe 13 is located the top of winding 10, in the suction mechanism during operation, external air is through extension pipe 13 and through-hole 14, after contacting with winding 10, flow from through-hole 22, can strengthen the radiating effect like this.

First filter screen 20 has been placed in the through hole 22, and first filter screen 20 is located fan blade 18's top, and first filter screen 20 is interference fit with the inboard of through hole 22, installs second filter screen 15 in the through hole 14, is interference fit between second filter screen 15 and the through hole 14, and first filter screen 20, second filter screen 15 and third filter screen 11 can avoid in toy and other debris get into transformer box 1.

The above, 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 high-efficiency transformer heat dissipation device comprises a transformer box body (1) and is characterized in that a box door (9) is hinged to one side of the transformer box body (1), a plurality of heat dissipation fins (4) are fixedly connected to the other three sides of the transformer box body (1), a winding (10) is placed on the inner side of the transformer box body (1), a through hole (14) is formed in the position, opposite to the winding (10), of the top end of the transformer box body (1), a fixing ring (7) is fixedly connected to the position, opposite to the through hole (14), of the top end of the transformer box body (1), one end, far away from the transformer box body (1), of the fixing ring (7) is fixedly connected with two supporting blocks (6), a heat insulation plate (8) is fixedly connected to one end, far away from the fixing ring (7), of the bottom end of the transformer box, the bottom outside of transformer box (1) is relative through hole (22) and is gone out fixedly connected with support sleeve (3), the mechanism of breathing in is installed to support sleeve (3) inboard, bottom four corners department fixedly connected with support column (2) of transformer box (1).

2. The efficient transformer heat dissipation device according to claim 1, wherein the air suction mechanism comprises a support frame (17), a protruding portion of the support frame (17) is fixedly connected with the inner side wall of the support sleeve (3), a stepped hole (21) is formed in the axis of the support frame (17), a stepped shaft (19) is placed in the stepped hole (21), a plurality of fan blades (18) are fixedly connected to one end, far away from the stepped hole (21), of the stepped shaft (19), and a motor (16) is connected to one end, penetrating through the stepped hole (21), of the stepped shaft (19).

3. The efficient transformer heat dissipation device as recited in claim 1, wherein an air inlet (5) is formed in a side surface of the transformer tank (1), an L-shaped pipe (12) is fixedly connected to a position, opposite to the air inlet (5), of an inner side of the transformer tank (1), the other end of the L-shaped pipe (12) is communicated with an elongated pipe (13), and one end, away from the L-shaped pipe (12), of the elongated pipe (13) is located at the top of the winding (10).

4. The efficient transformer heat dissipation device according to claim 2, wherein a first filter (20) is placed in the through hole (22), the first filter (20) is located above the fan blades (18), and the first filter (20) is in interference fit with the inner side of the through hole (22).

5. The efficient transformer heat dissipation device according to claim 3, wherein a second filter screen (15) is installed in the through hole (14), the second filter screen (15) and the through hole (14) are in interference fit, a third filter screen (11) is placed at a position, close to the air inlet hole (5), of the L-shaped pipeline (12), and the third filter screen (11) is in interference fit with the inner side wall of the L-shaped pipeline (12).