CN212461330U

CN212461330U - Dry-type transformer

Info

Publication number: CN212461330U
Application number: CN202021595304.4U
Authority: CN
Inventors: 黄光营; 王涛; 边豪; 徐红春; 鲍全军
Original assignee: Nanyang City Xinte Electric Co ltd
Current assignee: Nanyang City Xinte Electric Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-02-02
Anticipated expiration: 2030-08-04

Abstract

The utility model provides a dry-type transformer, including wire pole, setting base and the transformer main part of setting on the base on the wire pole, the lower surface of base sets up first heat dissipation mechanism, set up the fin in the transformer main part, set up second heat dissipation mechanism on the fin, set up water supply mechanism on the wire pole, water supply mechanism communicates with first heat dissipation mechanism, second heat dissipation mechanism in proper order, second heat dissipation mechanism and water cooling mechanism intercommunication, water cooling mechanism and water supply mechanism intercommunication. The utility model discloses a cooling water carries out the efficient cooling to the transformer, can effectively reduce the cement ground simultaneously and to the heat radiation of transformer for the transformer can bear higher calorific capacity, greatly delays the life of transformer.

Description

Dry-type transformer

Technical Field

The utility model relates to a dry-type transformer technical field, concretely relates to dry-type transformer.

Background

The voltage transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core, and the voltage transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like. In hot summer in the south, the environmental temperature is high, the transformer in a high load state generates heat seriously and can run above the warning temperature for a long time, so that the service life of the transformer is shortened, and once dangerous consequences occur, the result is not supposed. At the moment, the transformer cannot reduce power firstly and cannot be shut down for heat dissipation, other heat dissipation methods have to be adopted while the transformer works, particularly for the pole-mounted transformer, the pole-mounted transformer is directly exposed to sunlight in summer, the cement road surface heat radiation is serious, the overheating condition is serious, and the transformer is often subjected to short circuit and deflagration.

The dry-type transformer is disclosed in the prior patent application No. 201810640419.1, and it adopts the refrigerated mode of water tank refrigeration and nitrogen gas to dispel the heat to the transformer, but inside in use gets into the transformer like the water tank infiltration, produces electrically conductive phenomenon to transformer internals to lead to transformer overall damage, and the refrigeration effect in the twinkling of an eye of nitrogen gas is better, but nitrogen gas cost is higher, needs often to maintain the change liquid nitrogen container.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a dry-type transformer carries out the efficient cooling to the transformer through the cooling water, can effectively reduce the thermal radiation of cement ground to the transformer simultaneously for the transformer can bear higher calorific capacity.

In order to solve the technical problem, the utility model provides a dry-type transformer, including wire pole, the base of setting on the wire pole and the transformer main part of setting on the base, the lower surface of base sets up first heat dissipation mechanism, set up the fin in the transformer main part, set up second heat dissipation mechanism on the fin, set up water supply mechanism on the wire pole, water supply mechanism communicates with first heat dissipation mechanism, second heat dissipation mechanism in proper order, second heat dissipation mechanism and water cooling mechanism intercommunication, water cooling mechanism and water supply mechanism intercommunication.

Further, the water supply mechanism comprises a water storage tank, a first water pump is arranged in the water storage tank, and the first water pump is communicated with the first heat dissipation mechanism through a first pipeline.

Furthermore, the first heat dissipation mechanism comprises a metal plate arranged on the lower surface of the base, a water tank is arranged in the metal plate in a hollow mode, one end of the water tank is communicated with the first pipeline, and the other end of the water tank is communicated with the second pipeline.

Further, a heat insulation layer is arranged on the lower surface of the metal plate.

Furthermore, the second heat dissipation mechanism comprises a heat absorption pipeline in contact with the heat dissipation fins, one end of the heat absorption pipeline is communicated with the second pipeline, and the other end of the heat absorption pipeline is communicated with the third pipeline.

Furthermore, the water cooling mechanism comprises a first branch pipeline communicated with a third pipeline, a cooling fan is arranged on the telegraph pole corresponding to the first branch pipeline, the other end of the first branch pipeline is communicated with a fourth pipeline, and the fourth pipeline is communicated with the water storage tank.

Furthermore, the water cooling mechanism comprises a second branch pipeline buried underground, the second branch pipeline is communicated with a water storage tank arranged below the ground, a second water pump is arranged in the water storage tank, and the second water pump is communicated with the water storage tank through a fifth pipeline.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

the transformer main part is located the base, and the lower surface of base is first heat dissipation mechanism, to the cooling of transformer lower part to and the heat of ground reflection completely cuts off, and it is great to avoid the transformer to receive cement ground thermal radiation's influence. The second heat dissipation mechanism is connected with the heat dissipation fins and directly cools the transformer body, and the water supply mechanism is sequentially connected with the first heat dissipation mechanism and the second heat dissipation mechanism, so that the cooling effect of the transformer is best through water cooling. After the water cooling, the cooling water enters the water cooling mechanism, the heated cooling water is sent to the water supply mechanism again after being cooled, and the four mechanisms are in circulating sealing connection without contacting with the outside, so that the cooling liquid is prevented from being corrupted.

The utility model discloses a cooling water carries out the efficient cooling to the transformer, can effectively reduce the cement ground simultaneously and to the heat radiation of transformer for the transformer can bear higher calorific capacity, greatly delays the life of transformer.

Drawings

Fig. 1 is a schematic structural diagram of a dry-type transformer of the present invention;

FIG. 2 is a first schematic structural view of the water cooling mechanism of the present invention;

fig. 3 is a schematic diagram of a second structure of the water cooling mechanism of the present invention.

1. A utility pole; 2. a heat sink; 3. a third pipeline; 4. a heat absorption pipeline; 5. a transformer body; 6. a second conduit; 7. a base; 8. a water tank; 9. a metal plate; 10. a thermal insulation layer; 11. a first conduit; 12. a first water pump; 13. a water storage tank; 14. a cooling fan; 15. a first branch conduit; 16. a fourth conduit; 17. a fifth pipeline; 18. a water storage tank; 19. a second water pump; 20. a second branch conduit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Example one

As shown in fig. 1-3: the utility model provides a dry-type transformer, includes wire pole 1, sets up base 7 on wire pole 1 and sets up transformer main part 5 on base 7, the lower surface of base 7 sets up first heat dissipation mechanism, set up fin 2 on the transformer main part 5, set up second heat dissipation mechanism on the fin 2, set up water supply mechanism on the wire pole 1, water supply mechanism communicates with first heat dissipation mechanism, second heat dissipation mechanism in proper order, second heat dissipation mechanism communicates with water cooling mechanism, water cooling mechanism communicates with water supply mechanism.

The water supply mechanism comprises a water storage tank 13, a first water pump 12 is arranged in the water storage tank 13, and the first water pump 12 is communicated with the first heat dissipation mechanism through a first pipeline 11.

Specifically, water may be used as the coolant, which is the least expensive, but other coolants having a low degree of corrosion may be selected in consideration of the operational life of the piping. The water supply mechanism adopts the water storage tank, has the coolant liquid in the water storage tank, can pressurize through first water pump and send into first pipeline with the coolant liquid, then in reentrant first cooling mechanism, cool down transformer body bottom, later enter into second cooling mechanism in, cool down the surface of transformer body, finally enter into water cooling mechanism in, cool down the coolant liquid, get back to the water storage tank after the cooling and wait for the cycle to use again.

According to one embodiment of the present invention, as shown in figure 1,

the first heat dissipation mechanism comprises a metal plate 9 arranged on the lower surface of the base 7, a water tank 8 is arranged in the metal plate 9 in a hollow mode, one end of the water tank 8 is communicated with the first pipeline 11, and the other end of the water tank 8 is communicated with the second pipeline 6. The lower surface of the metal plate 9 is provided with a heat insulation layer 10.

The metal sheet of first heat dissipation mechanism can absorb the heat to the transformer bottom, in the basin in the retransmission to the metal sheet, the coolant liquid takes away the temperature and realizes the cooling, and the insulating layer of metal sheet lower surface can adopt the cystosepiment to add reflection of light coating, avoids the bottom that cement ground heat radiation directly shines the transformer.

According to one embodiment of the present invention, as shown in figure 1,

the second heat dissipation mechanism comprises a heat absorption pipeline 4 contacted with the heat dissipation fins 2, one end of the heat absorption pipeline 4 is communicated with the second pipeline 6, and the other end of the heat absorption pipeline 4 is communicated with the third pipeline 3. The heat absorption pipeline adopted by the second heat dissipation mechanism can penetrate through the heat dissipation fins or be positioned on the outer sides of the heat dissipation fins, heat dissipation of the heat dissipation fins is accelerated through flowing cooling liquid, meanwhile, the heat absorption pipeline is made of copper or iron, the surface area of the heat dissipation fins can be increased, and the cooling effect is greatly improved.

In one embodiment of the present invention, as shown in figures 1 and 2,

the water cooling mechanism comprises a first branch pipeline 15 communicated with the third pipeline 3, a cooling fan 14 is arranged on the telegraph pole 1 corresponding to the first branch pipeline 15, the other end of the first branch pipeline 15 is communicated with a fourth pipeline 16, and the fourth pipeline 16 is communicated with the water storage tank 13. This water cooling structure relies on cooling fan to realize, and in the third pipeline delivered to first branch pipeline with the water after the heat absorption, at the in-process of flowing through, cooling fan cooled down first branch pipeline to the realization is to the cooling of water, and the coolant liquid after the cooling is delivered to the water storage box in through the fourth pipeline. Therefore, the fully-sealed design is adopted, the existence of atmospheric pressure is not needed to be considered, and the first water pump can drive the cooling liquid to flow with small work.

In one embodiment of the present invention, as shown in figure 1,

the water cooling mechanism comprises a second branch pipeline 20 buried underground, the second branch pipeline 20 is communicated with a water storage tank 18 arranged below the ground, a second water pump 19 is arranged in the water storage tank 18, and the second water pump 19 is communicated with the water storage tank 13 through a fifth pipeline 17. This cooling mode is poured water into the below ground, relies on the low temperature of underground to realize the cooling to water, and second branch pipeline and third pipeline intercommunication, the coolant liquid after the intensification enters into underground second branch pipeline in, realize the cooling with the heat to soil transfer to assemble at last in the storage water tank, the rethread second water pump is delivered to the water storage box with the coolant liquid in.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A dry-type transformer comprises a telegraph pole (1), a base (7) arranged on the telegraph pole (1) and a transformer main body (5) arranged on the base (7), and is characterized in that: the lower surface of base (7) sets up first heat dissipation mechanism, set up fin (2) on transformer main part (5), set up second heat dissipation mechanism on fin (2), set up water supply mechanism on wire pole (1), water supply mechanism communicates with first heat dissipation mechanism, second heat dissipation mechanism in proper order, second heat dissipation mechanism and water cooling mechanism intercommunication, water cooling mechanism and water supply mechanism intercommunication.

2. A dry transformer as claimed in claim 1, wherein: the water supply mechanism comprises a water storage tank (13), a first water pump (12) is arranged in the water storage tank (13), and the first water pump (12) is communicated with the first heat dissipation mechanism through a first pipeline (11).

3. A dry transformer as claimed in claim 2, in which: the first heat dissipation mechanism comprises a metal plate (9) arranged on the lower surface of the base (7), a water tank (8) is arranged in the metal plate (9) in a hollow mode, one end of the water tank (8) is communicated with the first pipeline (11), and the other end of the water tank (8) is communicated with the second pipeline (6).

4. A dry transformer as claimed in claim 3, wherein: and a heat insulation layer (10) is arranged on the lower surface of the metal plate (9).

5. Dry transformer according to claim 4, whereas: the second heat dissipation mechanism comprises a heat absorption pipeline (4) contacted with the heat dissipation fins (2), one end of the heat absorption pipeline (4) is communicated with the second pipeline (6), and the other end of the heat absorption pipeline (4) is communicated with the third pipeline (3).

6. Dry transformer according to claim 5, whereas: the water cooling mechanism comprises a first branch pipeline (15) communicated with a third pipeline (3), a cooling fan (14) is arranged on the telegraph pole (1) corresponding to the first branch pipeline (15), the other end of the first branch pipeline (15) is communicated with a fourth pipeline (16), and the fourth pipeline (16) is communicated with a water storage tank (13).

7. A dry transformer as claimed in claim 6, wherein: the water cooling mechanism comprises a second branch pipeline (20) buried underground, the second branch pipeline (20) is communicated with a water storage tank (18) arranged below the ground, a second water pump (19) is arranged in the water storage tank (18), and the second water pump (19) is communicated with the water storage tank (13) through a fifth pipeline (17).