CN218602231U

CN218602231U - Transformer cooling system

Info

Publication number: CN218602231U
Application number: CN202223081228.7U
Authority: CN
Inventors: 张慧敏
Original assignee: Wuhan Guoxing Zhongqi Technology Co ltd
Current assignee: Wuhan Guoxing Zhongqi Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-10
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to a transformer technical field, concretely relates to transformer cooling system, the on-line screen storage device comprises a base, base top outer wall fixedly connected with transformer housing, two heat dissipation cover of transformer housing's two side outer wall fixedly connected with, two the equal fixedly connected with circulating pump of heat dissipation cover bottom outer wall, transformer housing bottom inner wall fixedly connected with heat conduction oil tank, and the three heat conduction seat that distributes of equidistance of heat conduction oil tank top outer wall fixedly connected with, three round mouth has been seted up to heat conduction oil tank top outer wall, and the inner wall fixedly connected with heat conduction post of three round mouth. The utility model overcomes prior art's is not enough, through set up the heat conduction oil tank in transformer case, sets up the heat conduction seat on the heat conduction oil tank, through the direct and iron core contact of heat conduction seat to in the convenient heat transfer to the heat conduction oil tank that produces on the iron core, the coolant oil in the rethread heat conduction oil tank derives the heat, thereby realizes the heat radiation structure of transformer.

Description

Transformer cooling system

Technical Field

The utility model relates to a transformer technical field specifically is a transformer cooling system.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, in recent years, the power demand of China is rapidly increased, and the market demand of power transmission and transformation equipment is pulled by the high-speed construction of a power grid. The transformer is as power transmission's key electrical equipment, and market demand has also kept steady growth, because the expert has high-tension electricity in the transformer, consequently, the transformer belongs to comparatively dangerous device, and the mounted position of transformer has the multiple, and some install on higher electric tower or pole.

Through the retrieval, chinese patent is granted No. CN201820205777.5, discloses a transformer cooling system, including the heat abstractor who sets up in the transformer housing, the casing is assembled shell, the casing is placed on the base, heat abstractor is including the cold wind pipe that laminating shells inner wall set up, the air inlet end of cold wind pipe links to each other with the air-out end of air-blower, the air-out end cartridge of cold wind pipe is in the exhaust vent on the casing.

The transformer heat dissipation system in the above patent has the following disadvantages: set up a large amount of heat transfer mechanisms in transformer housing in above-mentioned patent, heat transfer mechanism has occupied a large amount of spaces in the transformer housing, and the radiating effect of winding on the direct influence iron core leads to the heat to gather around the winding easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a transformer cooling system has overcome the not enough of prior art, aims at solving the problem that the heat dissipation mechanism of the inside setting of current transformer influences transformer winding normal work more.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer heat dissipation system, includes the base, base top outer wall fixedly connected with transformer housing, two heat exchanger of transformer housing's both sides outer wall fixedly connected with, two the equal fixedly connected with circulating pump of heat exchanger bottom outer wall, transformer housing bottom inner wall fixedly connected with heat conduction oil tank, and the three equidistant heat conduction seat that distributes of heat conduction oil tank top outer wall fixedly connected with, three round mouth has been seted up to heat conduction oil tank top outer wall, and the inner wall fixedly connected with heat conduction post of three round mouth, it is three the heat conduction post distributes fixed connection on three heat conduction seat, and three heat conduction seat top outer wall fixedly connected with iron core, a plurality of openings have been seted up to one side outer wall of transformer housing, and opening inner wall fixedly connected with fin, a plurality of copper sheets of transformer housing's both sides inner wall fixedly connected with, two heat conduction oil tank top outer wall fixedly connected with insulation boards, the three insulator of transformer housing top outer wall fixedly connected with.

As a preferred technical scheme of the utility model, the inner wall fixedly connected with baffle of heat conduction oil tank, and baffle top outer wall has seted up the installing port, the inner wall fixedly connected with solenoid valve of installing port, baffle top outer wall fixedly connected with temperature sensor.

As a preferred technical scheme of the utility model, connector one has all been seted up to the both sides outer wall of heat conduction oil tank, and the inner wall fixedly connected with of two connector ones advances oil pipe.

As a preferred technical scheme of the utility model, connector two has all been seted up to the both sides outer wall of heat conduction oil tank, and the inner wall fixedly connected with of two connectors two arranges oil pipe, two arrange oil pipe and pass through the pipe connection respectively on two circulating pumps.

As a preferred technical scheme of the utility model, a plurality of heating panels of inner wall fixedly connected with of heat exchanger, and the same crooked heat exchange tube of fixedly connected with between a plurality of heating panels, the one end of heat exchange tube is connected on the circulating pump, and the other end of heat exchange tube is connected on advancing oil pipe.

As a preferred technical scheme of the utility model, one side outer wall fixedly connected with protection network of heat exchanger just dispels the heat exchanger's opposite side outer wall fixedly connected with mounting panel, two wind gaps have been seted up to the outer wall of mounting panel, and the inner wall fixedly connected with fan in two wind gaps.

As an optimized technical scheme of the utility model, temperature sensor is connected with the controller through the signal line, and the controller passes through the wire and connects on the solenoid valve.

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

(1) The utility model discloses a set up the heat conduction oil tank in transformer case, set up the heat conduction seat on the heat conduction oil tank, through the direct and iron core contact of heat conduction seat to conveniently transfer the heat that produces on the iron core to the heat conduction oil tank, and then derive the heat through the coolant oil in the heat conduction oil tank, thereby realize the heat radiation structure of transformer;

(2) The utility model discloses a set up the heat exchanger that looses at transformer case's both sides, through the cooperation between heat dissipation plate and the heat exchange tube in the heat exchanger that looses, conveniently derive the heat in the conduction oil case to realize the normal heat dissipation of transformer, the fan in the heat exchanger that looses accelerates the air flow in the heat exchanger that looses simultaneously, thereby has improved the radiating efficiency;

(3) The utility model discloses a set up the baffle in the conduction oil tank, divide into two regions with the conduction oil tank, when fluid on the baffle reached the temperature of settlement, the solenoid valve opened the leading-in baffle lower part of heat, and the circulating pump starts to close fluid above introducing the baffle in the time of the emission, and the back solenoid valve is accomplished in the circulation.

Drawings

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

fig. 2 is a schematic view of a partial sectional structure of a transformer housing according to the present invention;

FIG. 3 is a schematic view of the structure of the heat dissipation cover of the present invention;

fig. 4 is a schematic view of the sectional structure of the heat-conducting oil tank of the present invention.

In the figure: 1. a base; 2. a transformer housing; 3. a heat dissipation cover; 4. mounting a plate; 5. a fan; 6. a circulation pump; 7. an insulator; 8. a heat sink; 9. a heat-conducting oil tank; 10. a heat conducting base; 11. an insulating plate; 12. an iron core; 13. a protective net; 14. a copper sheet; 15. a heat dissipation plate; 16. a heat exchange pipe; 17. a heat-conducting column; 18. a partition plate; 19. an electromagnetic valve; 20. an oil discharge pipe; 21. a temperature sensor; 22. an oil inlet pipe.

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.

Referring to fig. 1-4, a transformer heat dissipation system, wherein a winding on an iron core 12 generates heat when a transformer works, comprises a base 1, a transformer housing 2 is fixedly connected to an outer wall of a top of the base 1, two heat dissipation covers 3 are fixedly connected to outer walls of two sides of the transformer housing 2, a circulating pump 6 is fixedly connected to outer walls of bottoms of the two heat dissipation covers 3, a heat conduction oil tank 9 is fixedly connected to an inner wall of a bottom of the transformer housing 2, three heat conduction seats 10 distributed equidistantly are fixedly connected to an outer wall of a top of the heat conduction oil tank 9, a protective net 13 is fixedly connected to an outer wall of one side of the heat dissipation cover 3, a mounting plate 4 is fixedly connected to an outer wall of the other side of the heat dissipation cover 3, two air ports are formed in an outer wall of the mounting plate 4, a fan 5 is fixedly connected to an inner wall of the two air ports, air flow in the heat dissipation cover 3 is accelerated by the fan 5, heat loss on the heat dissipation plate 15 is accelerated, three round openings are formed in an outer wall of a top of the heat conduction oil tank 9, three round openings are formed in the inner wall of the three round openings are fixedly connected to the inner wall of the heat conduction columns 17, a top of the heat conduction seats, a plurality of the heat conduction oil tank 18 is conveniently connected to an electromagnetic valve 18, a sensor is connected to an outer wall of the heat conduction seat 10, and a plurality of the heat conduction seat, the electromagnetic valve 18 is conveniently connected to the heat conduction oil tank, the electromagnetic valve 18, the setting of fin 8 makes things convenient for auxiliary winding to dispel the heat, and the both sides inner wall fixedly connected with of transformer housing 2 a plurality of copper sheets 14, two insulation boards 11 of 9 top outer wall fixedly connected with of heat conduction oil tank, the three insulator of 2 top outer wall fixedly connected with 7 of transformer housing, the setting of insulation board 11 is convenient keeps apart three winding.

Specifically, please refer to fig. 4, the outer walls of the two sides of the heat-conducting oil tank 9 are both provided with a first connector, the inner walls of the first connectors are fixedly connected with an oil inlet pipe 22, the outer walls of the two sides of the heat-conducting oil tank 9 are both provided with a second connector, the inner walls of the second connectors are fixedly connected with an oil discharge pipe 20, the two oil discharge pipes 20 are respectively connected to the two circulating pumps 6 through pipelines, and the cooling oil in the heat-conducting oil tank 9 is conveniently circulated through the arrangement of the circulating pumps 6.

Specifically, referring to fig. 3, the inner wall of the heat dissipation cover 3 is fixedly connected with a plurality of heat dissipation plates 15, a curved heat exchange tube 16 is fixedly connected between the plurality of heat dissipation plates 15, one end of the heat exchange tube 16 is connected to the circulation pump 6, the other end of the heat exchange tube 16 is connected to the oil inlet tube 22, and heat in the cooling oil is conveniently transferred to the heat dissipation plates 15 through the heat exchange tube 16.

Specifically, referring to fig. 4, the temperature sensor 21 is connected to a controller through a signal line, and the controller is connected to the electromagnetic valve 19 through a wire.

The working principle is as follows: when the transformer is used, when the transformer works, heat generated on a winding is transferred to the heat conducting seat 10 through the iron core, the heat conducting column 17 is in contact with the heat conducting seat 10, the heat conducting column 17 is immersed into cooling oil, so that the heat is transferred to the cooling oil, when the temperature of oil on the partition plate 18 in the heat conducting oil tank 9 reaches a set value, the electromagnetic valve 19 is opened to discharge the hot oil to the lower part of the partition plate 18, the circulating pump 6 is started simultaneously when the electromagnetic valve 19 is opened, the oil below the partition plate 18 is conveyed into the heat exchange tube 16, the oil in the heat exchange tube 16 is conveyed to the upper part of the partition plate 18, so that the circulation of the cooling oil is completed, the hot oil in the heat exchange tube 16 transfers the heat to the heat dissipation plate 15, the fan 5 drives air in the heat dissipation cover 3 to flow in an accelerating mode when started, so that the heat on the heat dissipation plate 15 is led out, the heat dissipation of the transformer is realized, and the transformer can be further assisted to dissipate the heat through the heat of the heat dissipation plate 8.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a transformer cooling system, includes base (1), its characterized in that: base (1) top outer wall fixedly connected with transformer housing (2), two heat exchanger (3) of the both sides outer wall fixedly connected with of transformer housing (2), two the equal fixedly connected with circulating pump (6) of heat exchanger (3) bottom outer wall, transformer housing (2) bottom inner wall fixedly connected with heat conduction oil tank (9), and heat conduction oil tank (9) top outer wall fixedly connected with three equidistance heat conduction seat (10) that distribute, three round mouth has been seted up to heat conduction oil tank (9) top outer wall, and the inner wall fixedly connected with heat conduction post (17) of three round mouth, it is three heat conduction post (17) distribution fixed connection is on three heat conduction seat (10), and three heat conduction seat (10) top outer wall fixed connection has iron core (12), a plurality of openings have been seted up to one side outer wall of transformer housing (2), and opening inner wall fixedly connected with fin (8), the both sides inner wall fixedly connected with a plurality of copper sheets (14) of transformer housing (2), heat conduction oil tank (9) top outer wall fixedly connected with two insulation boards (11), transformer housing (2) top outer wall fixedly connected with three insulator (7).

2. The transformer heat dissipation system of claim 1, wherein: the inner wall fixedly connected with baffle (18) of heat conduction oil tank (9), and baffle (18) top outer wall has seted up the installing port, the inner wall fixedly connected with solenoid valve (19) of installing port, baffle (18) top outer wall fixedly connected with temperature sensor (21).

3. The transformer heat dissipation system of claim 1, wherein: connector one has all been seted up to the both sides outer wall of heat conduction oil tank (9), and the inner wall fixedly connected with of two connectors one advances oil pipe (22).

4. The transformer heat dissipation system of claim 1, wherein: connector two has all been seted up to the both sides outer wall of heat conduction oil tank (9), and the inner wall fixedly connected with of two connectors two arranges oil pipe (20), two arrange oil pipe (20) and pass through the pipe connection respectively on two circulating pumps (6).

5. The transformer heat dissipation system of claim 1, wherein: the inner wall fixedly connected with of heat exchanger (3) a plurality of heating panels (15), and fixedly connected with is same crooked heat exchange tube (16) between a plurality of heating panels (15), the one end of heat exchange tube (16) is connected on circulating pump (6), and the other end of heat exchange tube (16) is connected on advancing oil pipe (22).

6. The transformer heat dissipation system of claim 1, wherein: the heat dissipation cover is characterized in that a protective net (13) is fixedly connected to the outer wall of one side of the heat dissipation cover (3), a mounting plate (4) is fixedly connected to the outer wall of the other side of the heat dissipation cover (3), two air openings are formed in the outer wall of the mounting plate (4), and fans (5) are fixedly connected to the inner walls of the two air openings.

7. The transformer heat dissipation system of claim 2, wherein: the temperature sensor (21) is connected with a controller through a signal wire, and the controller is connected to the electromagnetic valve (19) through a lead.