CN213402143U - Mining flame-proof type transformer substation - Google Patents

Abstract

The utility model relates to a mining flame-proof type transformer station, which belongs to the technical field of transformer station devices, and the key point of the technical proposal is that the transformer station comprises a shell and a transformer arranged in the shell, wherein, the inner sides of the side wall and the top wall of the shell are respectively fixed with a heat-conducting graphite sheet, the outer sides of the side wall and the top wall of the shell are respectively fixed with a plurality of radiating fins arranged in parallel, and the radiating fins are arranged perpendicular to the outer wall of the shell; heat absorption cold pipes are arranged on two sides of the shell, liquid cooling liquid is arranged in the heat absorption cold pipes, and the heat absorption cold pipes are coiled among the radiating fins; the utility model discloses simple structure has synthesized the radiating advantage of air cooling and liquid cooling, can be high-efficient good dispel the heat to casing inside.

Description

Mining flame-proof type transformer substation

Technical Field

The utility model relates to a transformer substation technical field especially relates to a mining flame-proof type transformer substation.

Background

The mine explosion-proof transformer station belongs to a specific power device applied to mines, methane, coal dust and the like are mixed in air in the mines, the transformer station is inflammable and explosive, the shell of the transformer station has the characteristics of thickening and sealing in order to have the explosion-proof characteristic, and the heat dissipation problem in the operation of the explosion-proof transformer station is one of important problems to be solved because the working environment is underground and the ventilation is poor.

The utility model discloses a current mining flame-proof type transformer station can refer to the china utility model patent file that the mandate public number is CN210007234U, and it discloses a mining flame-proof type transformer station, transformer in the box including box and installation the high pressure vacuum switch and low pressure protection case are installed respectively to both ends about the box, the upper end of box passes through the close fixedly connected with end cover of bolt, the cross-section of end cover is concave-convex structure, and it is provided with many cooling tubes all to arrange on concave-convex structure's the both sides wall of recess, the both ends of cooling tube communicate respectively has an integrated pipe, two the integrated pipe communicates with outside water circulating system's inlet tube and outlet pipe respectively.

According to the mining explosion-proof transformer station, the shell is arranged into the concave-convex structure, and the plurality of cooling pipes are arranged in the groove, so that the structure is complex; and due to the arrangement of the cooling pipe and the concave-convex structure, the arrangement of radiating fins is reduced, and the explosion-proof air radiating effect for mining is weakened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mining flame-proof type transformer substation, simple structure has synthesized the radiating advantage of air cooling and liquid cooling, can be high-efficient good dispel the heat to casing inside.

The above technical purpose of the present invention can be achieved by the following technical solutions: a mining flame-proof type transformer station comprises a shell and a transformer arranged in the shell, wherein heat conducting graphite sheets are fixed on the inner sides of the side wall and the top wall of the shell respectively, a plurality of radiating fins arranged in parallel are fixed on the outer sides of the side wall and the top wall of the shell respectively, and the radiating fins are arranged perpendicular to the outer wall of the shell; the heat absorption cold pipe is arranged on two sides of the shell, liquid cooling liquid is arranged in the heat absorption cold pipe, and the heat absorption cold pipe is coiled between the radiating fins.

Through the technical scheme, the heat dissipated by the transformer in the shell is conducted through the heat conducting graphite sheets, so that the heat in the shell can be better conducted to the outside of the shell, and the heat dissipation area outside the shell is effectively increased through the arrangement of the heat dissipation sheets, so that the heat can be better dissipated; the heat absorption cold pipe that coils through between the fin is set up at the great casing both sides face of radiating area, and then utilizes the heat absorption cold pipe can absorb the heat to can be better dispel the heat to casing inside.

Preferably, the two ends of the shell are respectively provided with a communicating pipe, and the two ends of the communicating pipe are respectively communicated with the two heat absorption cold pipes; the heat absorption cold pipe is communicated with a connecting pipe, and a switch valve for controlling the on-off of fluid is arranged on the connecting pipe.

Through above-mentioned technical scheme, be linked together two heat absorption cold pipes through communicating pipe, through inserting the connecting pipe into external cold source, and then can carry out circulative cooling through circulating water pump to the liquid coolant liquid in the heat absorption cold pipe to better dispel the heat to mining flame-proof type transformer substation.

Preferably, an electronic thermometer is fixed at one end of the shell, a meter of the electronic thermometer is located outside the shell, and a probe of the electronic thermometer extends into the shell.

Through above-mentioned technical scheme, through setting up electronic thermometer, detect the inside temperature of casing, and then make things convenient for the staff to monitor the inside temperature of casing.

Preferably, the lower part of the shell is in an opening shape, a supporting plate is arranged on the lower part of the shell, and the shell is detachably connected with the supporting plate.

Through above-mentioned technical scheme, through establishing the casing lower part into the opening form to adopt to dismantle with the backup pad and be connected, thereby make things convenient for the staff to dismantle the casing, and then overhaul the inside transformer of casing.

Preferably, a mounting plate is fixed at the opening position of the lower part of the shell, and the mounting plate is connected with the support plate through bolts.

Through the technical scheme, the shell is connected with the supporting plate through the mounting plate at the lower part and the supporting plate bolt, so that the shell can be conveniently and quickly mounted and dismounted.

Preferably, at least two movable casters are respectively arranged on two sides of the supporting plate.

Through the technical scheme, the mining explosion-proof power transformation station is conveniently moved through the movable trundles by the arrangement of the movable trundles.

Preferably, a holding handle is fixed at one end of the shell.

Through the technical scheme, the handle is held, so that when the mining explosion-proof power transformation station is moved, the mining explosion-proof power transformation station is convenient for workers to control.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic structural diagram of a mining explosion-proof type transformer station.

Fig. 2 is a schematic structural view showing the housing.

Fig. 3 is a schematic structural view of the communication pipe.

Wherein, 1, a shell; 11. mounting a plate; 12. a grip handle; 2. a transformer; 3. a thermally conductive graphite sheet; 4. a heat sink; 5. a heat absorption cold pipe; 6. a communicating pipe; 61. a connecting pipe; 62. an on-off valve; 7. an electronic thermometer; 8. a support plate; 81. moving the caster; 82. mounting a stud; 83. mounting a nut; 9. a high-voltage vacuum switch; 10. and a low-voltage protection box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

a mining flame-proof type transformer station, hereinafter referred to as a transformer station, refers to fig. 1 and 2, and comprises a shell 1 and a transformer 2 arranged inside the shell 1, wherein a high-voltage vacuum switch 9 and a low-voltage protection box 10 are respectively installed at two ends of the shell 1. The lower part of the shell 1 is open, a support plate 8 is arranged on the lower part of the shell 1, and the shell 1 and the support plate 8 are detachably connected. The mounting plate 11 is fixed at the opening position of the lower portion of the shell 1, the vertically arranged mounting studs 82 are fixed at the four corners of the upper surface of the supporting plate 8 respectively, mounting holes for penetrating the mounting studs 82 are formed in the mounting plate 11, mounting nuts 83 are meshed on the mounting studs 82 on the upper portion of the mounting plate 11, and the shell 1 is pressed and fixed on the supporting plate 8 through the mounting nuts 83. The transformer 2 is isolated from the outside through the shell 1, so that the transformer substation is safer to use in a mine.

Referring to fig. 1 and 2, at least two caster wheels 81 are provided at both sides of the support plate 8, respectively. A grip handle 12 is fixed to one end of the housing 1. Support backup pad 8 through travelling the truckle 81, and then the cooperation grips handle 12, and what the staff can be convenient moves the transformer substation to it is more convenient when using the transformer substation. An electronic thermometer 7 is fixed at one end of the shell 1, a meter of the electronic thermometer 7 is positioned outside the shell 1, and a probe of the electronic thermometer 7 extends into the shell 1. The temperature inside the shell 1 is detected through the electronic thermometer 7, so that the working personnel can know the temperature inside the shell 1 in time.

Referring to fig. 1 and 2, a plurality of parallel cooling fins 4 are respectively fixed on the outer sides of the side wall and the top wall of the housing 1, and the cooling fins 4 are perpendicular to the outer wall of the housing 1; the side wall and the top wall of the shell 1 are respectively fixed with a heat-conducting graphite sheet 3. Absorb the heat of 1 inside of casing through the inside heat conduction graphite flake 3 of casing, and then conduct 1 outside of casing, increase heat radiating area through fin 4, and then can make the effectual surrounding air of casing 1 carry out the heat exchange to the better dispels the heat to 1 inside of casing.

Referring to fig. 1 and 3, heat-absorbing cold tubes 5 are respectively fixed on the inner sides of the side wall and the top wall of the shell 1 and on the two sides of the shell 1, and liquid cooling liquid, such as water cooling, is arranged in the heat-absorbing cold tubes 5; the heat absorbing cold tubes 5 are coiled through between the fins 4. The two ends of the shell 1 are respectively provided with a communicating pipe 6, and the two ends of the communicating pipe 6 are respectively communicated with the two heat absorption cold pipes 5. The heat absorption cold pipe 5 is connected to a connection pipe 61, and the connection pipe 61 is provided with an on-off valve 62 for controlling on/off of the fluid. Through the arrangement of the heat absorption cold pipe 5, heat absorption is carried out through the liquid cooling liquid in the heat absorption cold pipe 5, so that the shell 1 can be effectively cooled; and through inserting communicating pipe 6 into the cold source, through utilizing equipment such as circulating water pump, and then can be better dispel the heat to casing 1 inside.

The specific implementation principle of this embodiment is as follows:

the heat that is inside to casing 1 is conducted through the inside heat conduction graphite flake 3 of casing 1, and then cooperates the outside fin 4 of casing 1 to disperse the heat that transformer 2 work produced to can dispel the heat by the high efficiency. The heat absorption cold pipe 5 is coiled around the radiating fins 4, so that the radiating fins 4 can be well matched, and heat conducted inside the shell 1 is absorbed; and the heat absorption cold pipe 5 can be connected into an external cold source, and the liquid cooling liquid in the heat absorption cold pipe 5 is cooled and circulated, so that the heat dissipation and cooling efficiency of the interior of the shell 1 can be further improved.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (7)

1. The utility model provides a mining flame-proof type transformer station, includes casing (1) and sets up transformer (2) inside casing (1), its characterized in that: heat-conducting graphite sheets (3) are respectively fixed on the inner sides of the side wall and the top wall of the shell (1), a plurality of radiating fins (4) which are arranged in parallel are respectively fixed on the outer sides of the side wall and the top wall of the shell (1), and the radiating fins (4) are perpendicular to the outer wall of the shell (1); the heat absorption type cooling device is characterized in that heat absorption cold pipes (5) are arranged on two sides of the shell (1), liquid cooling liquid is arranged in the heat absorption cold pipes (5), and the heat absorption cold pipes (5) are coiled among the radiating fins (4).

2. The mining flame-proof type transformer station of claim 1, characterized in that: two ends of the shell (1) are respectively provided with a communicating pipe (6), and two ends of the communicating pipe (6) are respectively communicated with the two heat absorption cold pipes (5); the heat absorption cold pipe (5) is communicated with a connecting pipe (61), and a switch valve (62) for controlling the on-off of fluid is arranged on the connecting pipe (61).

3. The mining flame-proof type transformer station of claim 1, characterized in that: an electronic thermometer (7) is fixed at one end of the shell (1), a meter of the electronic thermometer (7) is located outside the shell (1), and a probe of the electronic thermometer (7) extends into the shell (1).

4. The mining flame-proof type transformer station of claim 3, characterized in that: the lower part of the shell (1) is in an open shape, the lower part of the shell (1) is provided with a supporting plate (8), and the shell (1) and the supporting plate (8) are detachably connected.

5. The mining flame-proof type transformer station of claim 4, characterized in that: the mounting plate (11) is fixed at the opening position of the lower part of the shell (1), and the mounting plate (11) is connected with the support plate (8) through bolts.

6. The mining flame-proof type transformer station of claim 4, characterized in that: two sides of the supporting plate (8) are respectively provided with at least two movable caster wheels (81).

7. The mining flame-proof type transformer station of claim 6, characterized in that: one end of the shell (1) is fixed with a holding handle (12).

Images