CN212485946U

CN212485946U - Power distribution cabinet

Info

Publication number: CN212485946U
Application number: CN202021404253.2U
Authority: CN
Inventors: 王向阳
Original assignee: Henan Zhandi Power Engineering Co ltd
Current assignee: Henan Zhandi Power Engineering Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-05
Anticipated expiration: 2030-07-16

Abstract

The utility model relates to a power distribution cabinet, which comprises a cabinet body and an electric appliance element arranged in the cabinet body, and also comprises a heat dissipation device, wherein the heat dissipation device comprises a motor, an output shaft of the motor is connected with a first rotating shaft, a heat insulation board is arranged in the cabinet body, the first rotating shaft comprises an upper section and a lower section, a heat dissipation blade is arranged on the upper section, a cooling box is arranged above the heat dissipation blade, cooling liquid is contained in the cooling box and is provided with a cooling pipe, and the top of the cabinet body is also provided with a filter screen; be provided with first bevel gear on the lower part section of first pivot, first bevel gear meshing has second bevel gear, and second bevel gear is connected with the second pivot, and the second pivot has the screw thread section, and the cover is equipped with the slider in the screw thread section, still is provided with the push rod on the slider, is provided with on the inner wall of the cabinet body to perforate and is located the removable cover in the perforation outside, the utility model discloses effectively solved the technical problem that the switch board radiating effect that exists among the prior art is poor, influence electrical components normal use in the switch board.

Description

Power distribution cabinet

Technical Field

The utility model relates to a switch board equipment technical field, concretely relates to switch board.

Background

Have numerous electrical components in the switch board, can produce a large amount of heat dissipations in the operation process, cause the inside temperature of switch board constantly to rise, traditional switch board is inside to dispel the heat through setting up the fin, but the radiating effect of fin is poor, the switch board is when long-term the use, the inside temperature of switch board still can constantly rise, high temperature can influence electrical components's normal operating, can arouse the conflagration because equipment is overheated even when serious, another one kind common radiating mode sets up the heat dissipation window on the lateral wall of switch board, the heat dissipation window does not have any sheltering from on the one hand, dust or small rubbish get into in the cabinet easily, on the other hand heat dissipation window only is fixed at the switch board lateral wall, can not initiatively carry out the heat radiation treatment to switch board inside, holistic radiating effect is.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power distribution cabinet for solve the power distribution cabinet radiating effect that exists among the prior art poor, influence the interior electrical components normal use's of switch board technical problem.

In order to achieve the above object, the utility model provides a power distribution cabinet adopts following technical scheme:

a power distribution cabinet comprises a cabinet body, electrical elements arranged in the cabinet body and a heat dissipation device arranged in the cabinet body, the heat dissipation device comprises a motor arranged at the bottom of the cabinet body, an output shaft of the motor is arranged along the vertical direction and is connected with a first rotating shaft extending vertically, the cabinet body is internally provided with a heat insulation plate for the first rotating shaft to penetrate upwards, the heat insulation plate is used for preventing heat generated by the motor from going upwards to damage electrical elements, the first rotating shaft comprises an upper section positioned above the heat insulation plate and a lower section positioned below the heat insulation plate, the upper section is provided with radially extending radiating blades, a cooling box which is spaced from the first rotating shaft in the vertical direction is arranged above the radiating blades, cooling liquid is contained in the cooling box, a cooling pipe which extends vertically and is used for air driven by the radiating blades to pass through is arranged in the cooling box, and the top of the cabinet body is also provided with a filter screen;

a first bevel gear which rotates along the circumferential direction of the first rotating shaft when rotating along with the first rotating shaft is arranged on the lower section of the first rotating shaft, the first bevel gear is engaged with a second bevel gear which is connected with a second rotating shaft which extends horizontally and is rotatably assembled on the inner wall of the cabinet body, one side of the second rotating shaft far away from the first bevel gear is provided with a threaded section, the threaded section is sleeved with a slide block, the slide block is provided with a threaded hole matched with the threaded section so that the slide block can move along the front and back directions of the threaded section under the rotating matching of the slide block and the threaded section when the second rotating shaft rotates, the slide block is also provided with a push rod which extends horizontally and can move along with the slide block, the inner wall of the cabinet body is provided with a through hole corresponding to the push rod and a movable cover plate which is positioned at the outer side of the through hole and hinged on the cabinet body, the movable cover plate is provided with a contraction position contracted to be close to the cabinet body and an expansion position expanded under the pushing of the push rod so as to facilitate the heat generated by the running of the motor to be dissipated along the through hole.

The utility model provides a beneficial effect of switch board is: when the power distribution cabinet needs to dissipate heat, the motor is started, the output shaft of the motor drives the first rotating shaft to rotate, the heat dissipation blades on the first rotating shaft rotate along with the first rotating shaft and drive gas upwards, then the gas enters the cooling pipe in the cooling box and is discharged along the upper part of the cooling pipe after being cooled by cooling liquid in the cooling box, the electric elements in the cabinet body are cooled and dissipated, the cooled gas is discharged to the outside of the cabinet body along the filter screen on the upper part of the cabinet body, in the process, the motor also generates more heat during the operation, the heat insulation board prevents the heat generated by the motor from going upwards to the cooling pipe, meanwhile, when the first rotating shaft rotates, the sliding block is driven to move towards the outside of the cabinet body through the second bevel gear meshed with the first bevel gear, the push rod on the sliding block pushes the movable cover plate in the contraction position to the expansion position, and the heat generated during the operation of, therefore, the electric appliance elements in the cabinet body are effectively radiated, heat generated when the motor runs is also radiated, the electric appliance elements and the motor in the cabinet body cannot be damaged due to overhigh heat, and the technical problems that the heat radiating effect of the power distribution cabinet is poor and the normal use of the electric appliance elements in the power distribution cabinet is influenced in the prior art are effectively solved.

Furthermore, a heat dissipation channel which horizontally penetrates through is arranged at a position, corresponding to the movable cover plate, on the inner wall of the cabinet body, and the heat dissipation channel is used for dissipating heat generated when the auxiliary motor runs when the push rod is in the unfolding position. The heat dissipation channel accelerates the heat dissipation speed generated by the motor, and the protection effect on the motor is better.

Furthermore, the number of the heat dissipation channels is multiple, and the heat dissipation channels are uniformly distributed at intervals in the vertical direction. The matching heat dissipation effect of the plurality of heat dissipation channels is better.

Furthermore, the number of the second bevel gears is two, and the two second bevel gears are symmetrically distributed on two sides of the first bevel gear. Two second bevel gears have further improved the switch board and have carried out radiating speed to the motor, and the radiating effect is better.

Further, the number of the cooling pipes is plural. The plurality of cooling pipes can fully cool the ascending gas and can ensure the cooling effect of the ascending gas.

Further, the cooling pipe is S-shaped. The S-shaped cooling pipe prolongs the path length of the upward gas, prolongs the cooling time of the upward gas and has better cooling effect.

Furthermore, a filter plate is arranged above the cooling pipe and used for filtering dust falling from the electrical appliance element so as to prevent the dust from falling into the cooling pipe to cause blockage.

Furthermore, a rain-proof shed is arranged above the filter screen. The rain-proof canopy has avoided the rainwater to follow the filter screen and has got into in the switch board so that damage electrical components.

Drawings

Fig. 1 is a first schematic diagram of a power distribution cabinet provided by the present invention (a movable cover plate is in a retracted position);

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a second schematic diagram of the power distribution cabinet provided by the present invention (the movable cover plate is in the unfolded position);

fig. 4 is an enlarged schematic view of fig. 3 at B.

Reference numbers in the figures: 1. a cabinet body; 2. a motor; 3. a first rotating shaft; 4. a heat insulation plate; 5. a heat dissipating fin; 6. a cooling tank; 7. cooling liquid; 8. a cooling tube; 9. a filter screen; 10. a first bevel gear; 11. a second bevel gear; 12. a second rotating shaft; 13. a threaded segment; 14. a slider; 15. a push rod; 16. perforating; 17. a removable cover plate; 18. a heat dissipation channel; 19. a filter plate; 20. rain-proof canopy.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

the utility model provides a specific embodiment of switch board:

a power distribution cabinet comprises a cabinet body 1, an electrical element arranged in the cabinet body 1 and a heat dissipation device arranged in the cabinet body 1, as shown in figures 1 and 3, the heat dissipation device comprises a motor 2 arranged at the bottom of the cabinet body 1, an output shaft of the motor 2 is arranged along the up-down direction and is connected with a first rotating shaft 3 extending up and down, a heat insulation plate 4 for the first rotating shaft 3 to pass through upwards is arranged in the cabinet body 1, the heat insulation plate 4 is used for preventing heat generated by the motor 2 from going up to damage the electrical element, the first rotating shaft 3 comprises an upper section positioned above the heat insulation plate 4 and a lower section positioned below the heat insulation plate 4, a heat dissipation blade 5 extending in the radial direction is arranged on the upper section, a cooling box 6 spaced from the first rotating shaft 3 in the up-down direction is arranged above the heat dissipation blade 5, cooling liquid 7 and a cooling pipe 8 extending up and down and allowing air driven by the heat dissipation blade 5 to, the top of the cabinet body 1 is also provided with a filter screen 9.

As shown in fig. 1 and 3, the number of the cooling pipes 8 is plural. The plurality of cooling pipes 8 can sufficiently cool the ascending gas and ensure the cooling effect of the ascending gas, and the shape of the cooling pipes 8 is S-shaped. The S-shaped cooling pipe 8 prolongs the path length of the upward gas, prolongs the cooling time of the upward gas and has better cooling effect. In other embodiments, the number of the cooling pipes may be one, and the cooling pipes may not be S-shaped, but may have other arc shapes, which may also extend the path length of the upward gas, and of course, in other embodiments, the shape of the cooling pipes may also be linear.

As shown in fig. 1 to 4, a first bevel gear 10 which rotates along the circumferential direction of the first rotating shaft 3 when the first rotating shaft 3 rotates is disposed on the lower section of the first rotating shaft 3, the first bevel gear 10 is engaged with a second bevel gear 11, the second bevel gear 11 is connected with a second rotating shaft 12 which extends horizontally and is rotatably assembled on the inner wall of the cabinet body 1, one side of the second rotating shaft 12 away from the first bevel gear 10 is provided with a threaded section 13, a sliding block 14 is sleeved on the threaded section 13, the sliding block 14 is provided with a threaded hole which is matched with the threaded section 13 so that the sliding block 14 can move along the front and back direction of the threaded section 13 under the rotation matching with the threaded section 13 when the second rotating shaft 12 rotates, a push rod 15 which extends horizontally and can move along with the sliding block 14 is further disposed on the sliding block 14, a through hole 16 corresponding to the push rod 15 and a movable cover plate 17 which is located, the movable cover 17 has a retracted position where it is retracted to be adjacent to the cabinet 1 and an extended position where it is extended by pushing the push rod 15 to facilitate the heat generated by the operation of the motor 2 to be dissipated along the through hole 16.

When the power distribution cabinet needs to dissipate heat, the motor 2 is started, the output shaft of the motor 2 drives the first rotating shaft 3 to rotate, the heat dissipation blades 5 on the first rotating shaft 3 rotate along with the first rotating shaft and drive gas upwards, then the gas enters the cooling pipe 8 in the cooling box 6 and is discharged along the upper part of the cooling pipe 8 after being cooled by the cooling liquid 7 in the cooling box 6, the electrical components in the cabinet body 1 are cooled and dissipated, the cooled gas is discharged to the outside of the cabinet body 1 along the filter screen 9 on the upper part of the cabinet body 1, in the process, more heat can be generated during the operation of the motor 2, the heat insulation plate 4 prevents the heat generated by the motor 2 from going upwards to the cooling pipe 8, meanwhile, when the first rotating shaft 3 rotates, the sliding block 14 is driven to move towards the outside of the cabinet body 1 through the second bevel gear 11 which is meshed with the first bevel gear 10, the push rod 15 on the sliding block 14 pushes the movable, the heat generated by the motor 2 during operation can be conveniently dissipated along the perforation 16 on the cabinet body 1.

As shown in fig. 2 and 4, the position that corresponds with removable cover 17 on the internal wall of cabinet 1 is provided with the heat dissipation channel 18 that the level runs through, heat dissipation channel 18 is used for the heat effluvium that produces when push rod 15 is in the exhibition position when auxiliary motor 2 moves, and the quantity of heat dissipation channel 18 is a plurality of, a plurality of heat dissipation channels 18 are along upper and lower direction interval equipartition, heat dissipation channel 18 has accelerated the speed of the heat effluvium that motor 2 produced, the protection effect to motor 2 is better, the speed of the heat effluvium that motor 2 produced has been accelerated to set up a plurality of heat dissipation channels 18, the protection effect to motor 2 is better. In other embodiments, the number of the heat dissipation channels may be adjusted according to actual needs, and certainly, the heat dissipation channels may not be provided.

As shown in fig. 1 and 3, the number of the second bevel gears 11 is two, and the two second bevel gears 11 are symmetrically distributed on both sides of the first bevel gear 10. Two second bevel gears 11 have further improved the switch board and carried out radiating speed to motor 2, and the radiating effect is better. In other embodiments, the number of the second bevel gears may also be one, three, four, or adjusted according to actual needs, and when the number of the second bevel gears is three or more, the second bevel gears are uniformly distributed along the circumferential direction of the first bevel gear.

As shown in fig. 1 and 3, a filter plate 19 is disposed above the cooling tube 8, and the filter plate 19 is used for filtering dust falling from the electrical components to prevent the dust from falling into the cooling tube 8 and causing blockage. In other embodiments, no filter plate may be provided. In addition, a rain-proof shed 20 is arranged above the filter screen 9. The rain-proof shed 20 prevents rainwater from entering the power distribution cabinet along the filter screen 9 to damage electrical components.

The utility model provides a working principle of switch board: when the power distribution cabinet needs to dissipate heat, the motor 2 is started, the output shaft of the motor 2 drives the first rotating shaft 3 to rotate, the heat dissipation blades 5 on the first rotating shaft 3 rotate along with the first rotating shaft and drive gas upwards, then the gas enters the cooling pipe 8 in the cooling box 6, the gas is cooled by the cooling liquid 7 in the cooling box 6 and then is discharged along the upper part of the cooling pipe 8, the electric elements in the cabinet body 1 are cooled and dissipated, the cooled gas is discharged to the outside of the cabinet body 1 along the filter screen 9 at the upper part of the cabinet body 1, the filter screen 19 filters dust falling from the electric elements and avoids the dust falling into the cooling pipe 8 to cause blockage, the rain-proof shed 20 avoids rainwater entering the power distribution cabinet along the filter screen 9 to damage the electric elements, in the process, more heat can be generated by the motor 2 during the operation of the motor 2, the heat insulation board 4 avoids the heat generated by the motor 2 from ascending to the cooling pipe 8, and, the second bevel gear 11 driven by the first bevel gear 10 in a meshing manner drives the sliding block 14 to move towards the outside of the cabinet body 1, the movable cover plate 17 in the contraction position is pushed to the expansion position by the push rod 15 on the sliding block 14, heat generated during the operation of the motor 2 can be conveniently dissipated along the through hole 16 and the heat dissipation channel 18 on the cabinet body 1, so that the electric elements in the cabinet body 1 are effectively dissipated, heat generated during the operation of the motor 2 is also dissipated, the electric elements and the motor 2 in the cabinet body 1 cannot be damaged due to overhigh heat, and the technical problems that in the prior art, the heat dissipation effect of a power distribution cabinet is poor, and the normal use of the electric elements in the power distribution cabinet is influenced are effectively solved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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

Claims

1. The utility model provides a power distribution cabinet, includes the cabinet body and sets up at the internal electrical components of cabinet, still including setting up the heat abstractor in the cabinet body, its characterized in that: the heat dissipation device comprises a motor arranged at the bottom of a cabinet body, an output shaft of the motor is arranged along the vertical direction and is connected with a first rotating shaft extending up and down, a heat insulation plate for the first rotating shaft to penetrate upwards is arranged in the cabinet body, the heat insulation plate is used for preventing heat generated by the motor from going upwards to damage electrical components, the first rotating shaft comprises an upper section positioned above the heat insulation plate and a lower section positioned below the heat insulation plate, the upper section is provided with heat dissipation blades extending in the radial direction, a cooling box spaced from the first rotating shaft in the vertical direction is arranged above the heat dissipation blades, a cooling liquid and a cooling pipe which is provided with a cooling pipe extending up and down and is used for allowing gas driven by the heat dissipation blades to pass through are contained in the cooling box, and the;

2. The electrical distribution cabinet according to claim 1, characterized in that: the position that corresponds with removable cover on the internal wall of cabinet is provided with the heat dissipation passageway that the level runs through, heat dissipation passageway is used for the heat effluvium that produces when the push rod is in the development position during auxiliary motor operation.

3. The electrical distribution cabinet according to claim 2, characterized in that: the number of the heat dissipation channels is multiple, and the heat dissipation channels are uniformly distributed at intervals in the vertical direction.

4. The electrical distribution cabinet according to any one of claims 1 to 3, characterized in that: the number of the second bevel gears is two, and the two second bevel gears are symmetrically distributed on two sides of the first bevel gear.

5. The electrical distribution cabinet according to any one of claims 1 to 3, characterized in that: the number of the cooling pipes is multiple.

6. The electrical distribution cabinet according to claim 5, characterized in that: the cooling pipe is S-shaped.

7. The electrical distribution cabinet according to any one of claims 1 to 3, characterized in that: and a filter plate is arranged above the cooling pipe and used for filtering dust falling from the electrical appliance element so as to prevent the dust from falling into the cooling pipe to cause blockage.

8. The electrical distribution cabinet according to any one of claims 1 to 3, characterized in that: a rainproof shed is arranged above the filter screen.