CN219959862U

CN219959862U - Preassembled box-type transformer

Info

Publication number: CN219959862U
Application number: CN202320741998.5U
Authority: CN
Inventors: 杨淑芬
Original assignee: Hebei Qunrui Power Technology Co ltd
Current assignee: Hebei Qunrui Power Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-11-03
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to the technical field of transformers, and provides a preassembled box-type transformer, which comprises a preassembled box-type transformer body and a heat dissipation mechanism for efficiently dissipating heat of internal equipment of the preassembled box-type transformer body, wherein the heat dissipation mechanism comprises a heat conduction pipe, a heat dissipation component, a cooling box and a water pump, one end of the heat conduction pipe is arranged on the internal equipment of the preassembled box-type transformer body, the other end of the heat conduction pipe is arranged on the heat dissipation component, the heat dissipation component is arranged in the cooling box, cooling liquid is filled in the cooling box, and a water inlet and a water outlet of the water pump are connected with the cooling box through a bent pipe.

Description

Preassembled box-type transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a preassembled box-type transformer.

Background

The preassembled box transformer is also called as preassembled box type transformer substation, and is a power transmission gas device integrating a high-low voltage transformer, a switch cabinet, a power transmission line and auxiliary equipment. The product has no exposed electrified part, is of a totally-enclosed and totally-insulating structure, can completely achieve zero electric shock accidents, can realize oilless operation at the whole station, has high safety, and can realize unattended operation by adopting a microcomputer comprehensive automatic system for the second time.

However, due to the totally enclosed structure of the preassembled box-type transformer, the heat dissipation performance is poor, especially in hot summer, most of insulation damage of the transformer is caused by overheat, the voltage-resistant capability and mechanical strength of the insulating material can be reduced due to temperature rise, and the service life of the transformer body can be greatly influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a preassembled box-type transformer, which aims to solve the problems that the heat dissipation performance of the totally-enclosed structure of the prior art provided in the background art is poor, the service life of a transformer body is influenced, and the voltage-resistant capability and the mechanical strength of an insulating material are reduced.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the preassembled box-type transformer comprises a preassembled box-type transformer body and a heat dissipation mechanism for efficiently dissipating heat of internal equipment of the preassembled box-type transformer body;

the heat dissipation mechanism is arranged on the outer side of the preassembled box-type transformer body, and the heat dissipation mechanism conducts heat generated by internal equipment of the preassembled box-type transformer body out through heat conduction equipment and then carries out cooling treatment through cooling equipment.

As a further optional technical scheme of the utility model, the heat dissipation mechanism comprises a heat conduction pipe, a heat dissipation assembly, a cooling box and a water pump, one end of the heat conduction pipe is arranged on the internal equipment of the preassembled box-type transformer body, the other end of the heat conduction pipe is arranged on the heat dissipation assembly, the heat dissipation assembly is arranged in the cooling box, cooling liquid is filled in the cooling box, and a water inlet and a water outlet of the water pump are connected with the cooling box through a bent pipe.

As a still further alternative technical solution of the present utility model, the heat dissipating assembly includes a heat dissipating fin and a heat dissipating tube, where the heat dissipating tube penetrates through the heat dissipating fin, and the heat dissipating tube and the heat dissipating fin are fixedly connected together.

In order to be convenient for to filling and discharging the coolant liquid in the cooling tank, on the basis of the aforesaid scheme, be provided with notes liquid pipe and fluid-discharge tube on the cooling tank, the water inlet with all install the tube cap on the delivery port.

In order to increase ventilation and prevent the inside of the preassembled box-type transformer body from being moist, preferably, a ventilation opening is formed in the side wall of the preassembled box-type transformer body, a sliding rail is arranged around the ventilation opening, a moving block is arranged on the sliding rail, a baffle is arranged on the moving block, and the diameter of the baffle is larger than that of the ventilation opening.

In order to further discharge the heat in the preassembled box-type transformer body, a fan is further arranged in the ventilation opening of the preassembled box-type transformer body.

In order to prevent dust from entering the inside of the preassembled box-type transformer body, a dust screen is further arranged in the vent of the preassembled box-type transformer body.

In order to fix the water pump, further, on the basis of the scheme, the fixing frame is arranged on the outer wall of the water pump.

(III) beneficial effects

Compared with the prior art, the utility model provides the preassembled box-type transformer, which has the following beneficial effects:

compared with the prior art, the heat dissipation mechanism is arranged to realize efficient heat dissipation of the internal equipment of the preassembled box-type transformer body, the heat generated by the internal equipment of the preassembled box-type transformer body is transferred to the radiating fin and the radiating tube at the other side of the heat conduction tube through the heat conduction tube to dissipate heat, the radiating fin and the radiating tube are arranged in the cooling box filled with cooling liquid, the heat dissipation performance is further enhanced, and the water pump drives the cooling liquid to flow so as to take away the residual heat on the radiating fin and the radiating tube.

Therefore, compared with the prior art, the preassembled box-type transformer realizes efficient heat dissipation of the internal equipment of the preassembled box-type transformer body, and avoids the problems that the service life of the transformer body is influenced due to poor heat dissipation performance and the voltage-resisting capacity and mechanical strength of insulating materials are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the pre-assembled box transformer;

fig. 2 is a schematic diagram of a partial structure of the liquid injection pipe, the pipe cover, the fixing frame and the heat dissipation mechanism of the preassembled box-type transformer;

FIG. 3 is a schematic view of a heat dissipating assembly of the pre-assembled box transformer;

fig. 4 is a schematic view showing a partial structure of the preassembled box-type transformer body of the preassembled box-type transformer and the fan.

Reference numerals in the drawings represent respectively:

1. a preassembled box-type transformer body; 2. a liquid injection pipe; 3. a liquid discharge pipe; 4. a tube cover; 5. a slide rail; 6. a moving block; 7. a baffle; 8. a fan; 9. a dust screen; 10. a fixing frame;

100. a heat dissipation mechanism; 101. a heat conduction pipe; 102. a heat dissipation assembly; 103. a cooling box; 104. a water pump; 1020. a heat sink; 1021. and a radiating pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a preassembled box-type transformer includes a preassembled box-type transformer body 1 and a heat dissipation mechanism 100 for efficiently dissipating heat from internal devices of the preassembled box-type transformer body 1;

the heat dissipation mechanism 100 is arranged at the outer side of the preassembled box-type transformer body 1, and the heat dissipation mechanism 100 conducts heat generated by internal equipment of the preassembled box-type transformer body 1 out through heat conduction equipment and then carries out cooling treatment through cooling equipment;

the heat dissipation mechanism 100 comprises a heat conduction pipe 101, a heat dissipation assembly 102, a cooling box 103 and a water pump 104, wherein one end of the heat conduction pipe 101 is installed on internal equipment of the preassembled box-type transformer body 1, the other end of the heat conduction pipe 101 is installed on the heat dissipation assembly 102, the heat dissipation assembly 102 is installed in the cooling box 103, cooling liquid is filled in the cooling box 103, a water inlet and a water outlet of the water pump 104 are connected with the cooling box 103 through bent pipes, the heat dissipation assembly 102 comprises a heat dissipation fin 1020 and a heat dissipation pipe 1021, and the heat dissipation pipe 1021 penetrates through the heat dissipation fin 1020, and the heat dissipation pipe 1021 and the heat dissipation fin 1020 are fixedly connected together;

the heat generated by the internal equipment of the preassembled box-type transformer body 1 is transferred to the radiating fin 1020 and the radiating tube 1021 on the other side of the heat-conducting tube 101 through the heat-conducting tube 101 to radiate, and the radiating fin 1020 and the radiating tube 1021 are arranged in the cooling box 103 filled with cooling liquid, so that the radiating performance is further enhanced, and the water pump 104 drives the cooling liquid to flow so as to take away the residual heat on the radiating fin 1020 and the radiating tube 1021.

Referring to fig. 1, 2 and 4, the cooling tank 103 is provided with a liquid injection pipe 2 and a liquid discharge pipe 3, and the water inlet and the water outlet are respectively provided with a pipe cover 4, so that cooling liquid can be conveniently injected and discharged into the cooling tank 103; the side wall of the preassembled box-type transformer body 1 is provided with a vent, a sliding rail 5 is arranged around the vent, a moving block 6 is arranged on the sliding rail 5, a baffle 7 is arranged on the moving block 6, the diameter of the baffle 7 is larger than that of the vent, and ventilation is increased to prevent the interior of the preassembled box-type transformer body 1 from being wet; a fan 8 is arranged in the ventilation opening of the preassembled box-type transformer body 1, so that heat in the preassembled box-type transformer body 1 is further discharged; a dust screen 9 is also arranged in the vent of the preassembled box-type transformer body 1 to prevent dust from entering the inside of the preassembled box-type transformer body 1; the fixing frame 10 is installed on the outer wall of the water pump 104, and is used for fixing the water pump 104.

In summary, the working principle of the preassembled box-type transformer is as follows: firstly, filling cooling liquid into a cooling box 103 from a liquid filling pipe 2, then covering a pipe cover 4, then starting a water pump 104, transferring heat generated by internal equipment of a preassembled box-type transformer body 1 to a radiating fin 1020 and a radiating pipe 1021 on the other side of the heat conducting pipe 101 through the heat conducting pipe 101 to radiate heat, further enhancing the heat radiation performance by installing the radiating fin 1020 and the radiating pipe 1021 in the cooling box 103 filled with the cooling liquid, and enabling the cooling liquid to flow by the water pump 104 to take away the residual heat on the radiating fin 1020 and the radiating pipe 1021 so as to realize efficient heat radiation of the internal equipment of the preassembled box-type transformer body 1; the baffle 7 is driven to move downwards by the moving block 6 at regular intervals, and the ventilation opening is opened to ventilate the inside of the preassembled box-type transformer body 1, so that the inside is prevented from being wet.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 preassembled box-type transformer comprises a preassembled box-type transformer body (1) and is characterized by further comprising a heat dissipation mechanism (100) for efficiently dissipating heat of internal equipment of the preassembled box-type transformer body (1);

the heat dissipation mechanism (100) is arranged on the outer side of the preassembled box-type transformer body (1), and the heat dissipation mechanism (100) conducts heat generated by internal equipment of the preassembled box-type transformer body (1) through heat conduction equipment and then carries out cooling treatment through cooling equipment.

2. The preassembled box-type transformer according to claim 1, wherein the heat dissipation mechanism (100) comprises a heat conduction pipe (101), a heat dissipation assembly (102), a cooling box (103) and a water pump (104), one end of the heat conduction pipe (101) is installed on internal equipment of the preassembled box-type transformer body (1), the other end of the heat conduction pipe (101) is installed on the heat dissipation assembly (102), the heat dissipation assembly (102) is installed in the cooling box (103), cooling liquid is filled in the cooling box (103), and a water inlet and a water outlet of the water pump (104) are connected with the cooling box (103) through bent pipes.

3. The preloaded tank-type transformer according to claim 2, wherein the heat dissipating assembly (102) comprises a heat dissipating fin (1020) and a heat dissipating tube (1021), the heat dissipating tube (1021) penetrates the heat dissipating fin (1020), and the heat dissipating tube (1021) and the heat dissipating fin (1020) are fixedly connected together.

4. A preloaded tank-type transformer according to claim 3, characterized in that the cooling tank (103) is provided with a liquid filling pipe (2) and a liquid draining pipe (3), and the water inlet and the water outlet are provided with pipe covers (4).

5. The preassembled box-type transformer according to claim 4, wherein a vent is formed in the side wall of the preassembled box-type transformer body (1), a sliding rail (5) is arranged around the vent, a moving block (6) is arranged on the sliding rail (5), a baffle (7) is mounted on the moving block (6), and the diameter of the baffle (7) is larger than that of the vent.

6. A pre-assembled tank transformer according to claim 5, characterized in that a fan (8) is mounted in the ventilation opening of the pre-assembled tank transformer body (1).

7. A preloaded tank-type transformer according to claim 6, characterized in that a dust screen (9) is also installed in the ventilation opening of the preloaded tank-type transformer body (1).

8. The preloaded tank-type transformer according to claim 7, further comprising a holder (10), said holder (10) being mounted on an outer wall of said water pump (104).