CN218770759U - Power box for subway power supply - Google Patents

Abstract

The utility model provides a power box that subway power supply was used, belongs to subway power supply technical field, can solve the poor inside components and parts high temperature that causes the block terminal easily of current block terminal radiating effect, and moist air gets into and makes components and parts take place the short circuit scheduling problem easily in the block terminal, the power distribution box comprises a box body, the bottom inner wall fixed mounting of box has the lift jar, and the air vent has been seted up to the lateral wall symmetry of box, and the inner wall of air vent is equipped with a plurality of pivots, and the cover is equipped with the blade in the pivot, and the blade rotates with the pivot to be connected, and the blade is located swing joint between the inboard one end of box and adjusts the pole, adjusts the bottom fixedly connected with slider of pole, the output of lift jar is connected with the connecting block, and the spout has been seted up on the top of connecting block, and the slider is located the spout, with connecting block sliding connection. Through using the utility model discloses, can realize reducing the purpose of box inside temperature.

Description

Power box for subway power supply

Technical Field

The utility model belongs to the technical field of the subway power supply, concretely relates to power box that subway power supply was used.

Background

The distribution box is an electric appliance device, and has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, more common application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect.

The mass parameters on the data of the distribution box generally form a low-voltage forest according to the wiring of an electric appliance, and the switching equipment, a measuring instrument, a protective electric appliance and auxiliary equipment are required to be assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch.

Along with the continuous increase of subway line, the number of taking the subway is also more and more, and this has just provided higher requirement to the wholeness ability of subway, and wherein, block terminal in the railcar is closely relevant with railcar's operation safety, and traditional block terminal radiating effect is poor, causes the inside components and parts high temperature of block terminal easily, and moist air gets into and makes components and parts take place the short circuit in the block terminal easily.

Therefore, it is necessary to provide a power supply box for subway power supply to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the poor inside components and parts high temperature of block terminal that causes easily of current block terminal radiating effect, make components and parts take place the short circuit easily in the humid air gets into the block terminal, simultaneously, the staff can not be fast when installation components and parts with the circuit separately conveniently, in addition, take place to rock at railcar operation in-process, the block terminal in the car can not the problem of remain stable, provides a power box that subway power supply used.

The utility model adopts the following technical scheme:

the utility model provides a power box that subway power supply used, includes the box, the bottom inner wall fixed mounting of box has the lift jar, and the air vent has been seted up to the lateral wall symmetry of box, and the inner wall of air vent is equipped with a plurality of pivots, and the cover is equipped with the blade in the pivot, and the blade rotates with the pivot to be connected, and swing joint has the regulation pole between the one end that the blade is located the box inboard, adjusts the bottom fixedly connected with slider of pole, the output of lift jar is connected with the connecting block, and the spout has been seted up on the top of connecting block, and the slider is located the spout, with connecting block sliding connection.

Further, the rotating shafts are uniformly arranged in the air holes in an array mode.

Further, the distance between adjacent rotating shafts is smaller than the width of the blade.

Furthermore, an infrared sensor is arranged in the box body.

Furthermore, radiating holes are formed in the top end of the box body, a support is fixedly connected to the middle of the radiating holes, semiconductor refrigerating pieces are fixed on the support, heat absorbing pieces are arranged on one sides, located inside the box body, of the semiconductor refrigerating pieces, radiating fins are arranged on one sides, located outside the box body, of the semiconductor refrigerating pieces, and radiating fans are arranged on the radiating fins.

Furthermore, a rain shield is arranged at the top end of the heat radiation fan.

Further, an air blower with an upward air outlet direction is arranged inside the bottom end of the box body.

Further, air vent bilateral symmetry on the box is equipped with spacing frame, and the inner wall of spacing frame is equipped with the mounting groove, and sliding connection has the filter screen in the mounting groove, and one side that the box was kept away from to the filter screen is equipped with the sponge.

The utility model has the advantages as follows:

the utility model provides a power supply box that subway power supply used, the heat absorbing plate absorbs the heat in the hot gas stream and then transmits to the fin through the semiconductor refrigeration piece, radiator fan blows away the heat on the fin, and then realizes the purpose that reduces the internal temperature of box, compares current power supply box, can keep the temperature of box inside better in suitable operating temperature, and adsorbs moisture and impurity through the sponge, avoids inside electrical components to take place the short circuit and dust is piled up; when infrared sensor detected that there was the pedestrian to be close to, thereby lift cylinder drive regulating lever carries out angle modulation to the blade and closes the ventilation hole, avoids the pedestrian hand to stretch into in the box, avoids the pedestrian to electrocute.

Drawings

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

FIG. 2 is a partial schematic view of the present invention;

fig. 3 is an internal cross-sectional view of the present invention;

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

FIG. 5 is a schematic view of the connection of the blade and the shaft;

wherein: 1-a box body; 2-a vent hole; 3-a rotating shaft; 4-a blade; 5-adjusting the rod; 6-a slide block; 7-a lifting cylinder; 8-connecting blocks; 9-a chute; 10-heat dissipation holes; 11-a scaffold; 12-semiconductor refrigerating sheets; 13-a heat sink sheet; 14-a heat sink; 15-a heat dissipation fan; 16-a blower; 17-a flashing; 18-a limit frame; 19-mounting grooves; 20-filtering with a filter screen; 21-sponge.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in the figure, a power box that subway power supply used, including box 1, air vent 2 has been seted up to the side symmetry of box 1, the inner wall of air vent 2 is provided with pivot 3, pivot 3 is provided with the multiunit, and even array distribution is in air vent 2, the surface cover of pivot 3 is equipped with blade 4, blade 4 and 3 sliding connection of pivot, distance between two adjacent pivot 3 is less than blade 4's width, and is a plurality of swing joint has regulation pole 5 between the blade 4, the bottom fixedly connected with slider 6 of adjusting pole 5, the inner wall fixed mounting of box 1 has lift jar 7, the output fixedly connected with connecting block 8 of lift jar 7, spout 9 has been seted up on the top of connecting block 8, slider 6 is located the inside of spout 9, slider 6 and 8 sliding connection of connecting block, the inside of box 1 is provided with infrared sensor, infrared sensor is used for detecting the pedestrian.

Preferably, the top end of the box body 1 is provided with a heat dissipation hole 10, a support 11 is fixedly connected to the heat dissipation hole 10, a semiconductor refrigeration piece 12 is fixedly mounted on the support 11, a heat absorption piece 13 is arranged on one side of the semiconductor refrigeration piece 12 and inside the box body 1, a heat dissipation fin 14 is arranged on the other side of the semiconductor refrigeration piece 12 and outside the box body 1, and a heat dissipation fan 15 is arranged on the heat dissipation fin 14.

Preferably, a blower 16 is fixedly installed at the bottom end of the inner wall of the box body 1, and the air outlet direction of the blower 16 is upward.

Preferably, the top end of the box body 1 is fixedly provided with a rain shielding plate 17, and the rain shielding plate 17 is used for preventing rainwater from entering the box body 1.

Preferably, the box body 1 is symmetrically provided with limiting frames 18 at two sides of the vent hole 2, and the inner wall of each limiting frame 18 is provided with a mounting groove 19. The inside sliding connection of mounting groove 19 has filter screen 20, filter screen 20 adopts metal material to make. One side that box 1 was kept away from to filter screen 20 is provided with sponge 21, sponge 21 is used for adsorbing the moisture and the impurity of air.

The utility model provides a power box for subway power supply's theory of operation as follows:

when in actual use, start air-blower 16, air-blower 16 will start to blow the inside air current upflow of box 1, the air current carries out the heat transfer with electrical equipment when inside electrical equipment and absorbs the heat on the electrical equipment, the hot gas flow finally reaches the inside top of box 1, heat absorption piece 13 absorbs the heat in the hot gas flow and then transmits to fin 14 through semiconductor refrigeration piece 12, radiator fan 15 blows away the heat on fin 14, and then realize the purpose that reduces the inside temperature of box 1, compare current power box, can keep the inside temperature of box 1 better to keep in suitable operating temperature, and adsorb moisture and impurity through sponge 21, avoid inside electrical components to take place short circuit and dust to pile up.

When inside electrical equipment produced heat is less, can carry out the air exchange through air vent 2 and the external world and realize the cooling of inside electrical equipment, electric power resource is comparatively saved to this kind of mode, when infrared sensor detected that there is the pedestrian to be close to, transmission signal to controller, thereby controller control lift cylinder 7 drive adjusting lever 5 carries out angle modulation to blade 4 and closes the air vent, avoids the pedestrian hand to stretch into in box 1, avoids the pedestrian to electrocute.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (8)

1. A power box for subway power supply is characterized in that: including box (1), the bottom inner wall fixed mounting of box (1) has lift jar (7), and air vent (2) have been seted up to the lateral wall symmetry of box (1), and the inner wall of air vent (2) is equipped with a plurality of pivot (3), and the cover is equipped with blade (4) in pivot (3), and blade (4) rotate with pivot (3) to be connected, and swing joint has adjusted pole (5) between blade (4) the one end that is located box (1) inboard, adjusts the bottom fixedly connected with slider (6) of pole (5), the output of lift jar (7) is connected with connecting block (8), and spout (9) have been seted up on the top of connecting block (8), and slider (6) are located spout (9), with connecting block (8) sliding connection.

2. A supply box for supplying power to a subway according to claim 1, wherein: the rotating shafts (3) are uniformly arranged in the air holes (2) in an array mode.

3. A power supply box for supplying power to a subway as claimed in claim 1, wherein: the distance between the adjacent rotating shafts (3) is smaller than the width of the blades (4).

4. A supply box for supplying power to a subway according to claim 1, wherein: an infrared sensor is arranged in the box body (1).

5. A supply box for supplying power to a subway according to claim 1, wherein: the heat dissipation device is characterized in that heat dissipation holes (10) are formed in the top end of the box body (1), a support (11) is fixedly connected to the middle of each heat dissipation hole (10), a semiconductor refrigeration piece (12) is fixed on the support (11), a heat absorption piece (13) is arranged on one side, located inside the box body (1), of each semiconductor refrigeration piece (12), a heat dissipation piece (14) is arranged on one side, located outside the box body (1), of each semiconductor refrigeration piece, and a heat dissipation fan (15) is arranged on each heat dissipation piece (14).

6. A supply box for supplying power to a subway according to claim 5, characterized in that: the top end of the heat radiation fan (15) is provided with a rain shielding plate (17).

7. A supply box for supplying power to a subway according to claim 1, wherein: an air blower (16) with an upward air outlet direction is arranged inside the bottom end of the box body (1).

8. A supply box for supplying power to a subway according to claim 1, wherein: the box is characterized in that limiting frames (18) are symmetrically arranged on two sides of the air vent (2) in the box body (1), mounting grooves (19) are formed in the inner walls of the limiting frames (18), filter screens (20) are connected in the mounting grooves (19) in a sliding mode, and sponge (21) are arranged on one sides, far away from the box body (1), of the filter screens (20).

Images