CN219577730U - Power isolation box - Google Patents

Abstract

The utility model relates to the technical field of power isolation boxes, and discloses a power isolation box which comprises a box body, wherein the front surface of the box body is provided with an opening, the inner wall of the box body is hinged with a door body, a power isolation inhibitor is arranged in the box body, a heat dissipation mechanism is arranged behind the power isolation inhibitor and comprises a bottom plate, and a power part is arranged above the bottom plate. According to the power isolation box, the motor, the rotating shaft, the belt wheels and the first fans are arranged, the motor drives the connected first fans to rotate through the starting motor, and meanwhile, the motor drives the rotating shaft and the other two first fans to rotate through the belt wheels, so that wind bodies flow upwards, flow into the box body from the lower ventilation holes and flow out of the box body from the upper ventilation holes, and the heat dissipation of the interior of the box body is facilitated; through setting up water pump, honeycomb duct and second fan, utilize the honeycomb duct to lead the inside heat of box outside to the box, utilize the pivot to drive the rotation of second fan for the thermal diffusion of honeycomb duct outside the box.

Description

A power isolation box

technical field

The utility model relates to the technical field of power isolation boxes, in particular to a power isolation box.

Background technique

The power isolation box is mainly used in the lightning protection project of three-phase transmission lines such as communication base stations. It is different from the ordinary single-port lightning protection equipment that simply uses parallel SPD for voltage clamping. The lightning current isolation suppressor is connected in series with the power supply line. Among them, the isolation suppresses the lightning current entering the user system through the power supply line, improves the lightning protection performance of the system, and protects user equipment.

Chinese patent discloses a power supply box, the publication number is CN215187756U, the back of the box body is provided with a mounting column, the mounting plate is provided with a mounting hole matched with the mounting column, and the mounting column is provided with an elastic positioning pin. The inner wall of the mounting hole is provided with a No. 1 groove and a No. 2 groove cooperating with the elastic positioning pin, and the No. 1 groove and the No. 2 groove are vertically arranged. The mounting plate can be rotated on the mounting column. When the elastic positioning pin fits with the No. 1 groove, the mounting plate is located at the left or right end of the cabinet; when the elastic positioning pin fits with the No. 2 groove, the mounting plate is positioned at the upper or lower end of the cabinet ; The installation personnel can adjust the position of the installation plate according to the installation space, which has good versatility.

However, it still includes the following disadvantages: the heat dissipation efficiency of the isolated power supply box is poor, and the heat dissipation is only performed through the heat dissipation holes on the power supply box, the heat dissipation efficiency is relatively slow, and the internal temperature is too high to easily affect the use. For this reason, we propose a power isolation box to solve this problem.

Utility model content

The purpose of this utility model is to provide a power isolation box to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a power isolation box, including a box body, the front of the box body is provided with an opening, the inner wall of the box body is hinged with a door body, and the inside of the box body is provided with a power supply An isolation suppressor, a heat dissipation mechanism is arranged behind the power isolation suppressor, the heat dissipation mechanism includes a bottom plate, and a power part is arranged above the bottom plate;

The power part includes two rotating shafts and a motor. The model of the motor is HG-JR35. A through hole is opened on the bottom surface of the box. The outer surface of the bottom plate is adapted to the inner wall of the through hole. Fixedly connected, the outer surface of the bottom end of the rotating shaft passes through the top surface of the bottom plate through the bearing and extends to the bottom of the bottom plate;

A heat conduction part is arranged behind the motor;

The heat conduction part includes a diversion pipe and a water pump. The outer surface of the bottom end of the diversion pipe is fixed through the top surface of the bottom plate and extends to the bottom of the bottom plate. The bottom surface of the water outlet pipe is fixedly and through-connected with the top surface of the draft pipe.

A further improvement is that the outer surface of the output shaft of the motor and the outer surface of the top end of the rotating shaft are both fixedly provided with a first fan, the outer surface of the box is provided with an air guide hole, and the inner wall of the air guide hole is fixedly connected with a filter screen. And the first fan facilitates the circulation of air inside and outside the box.

A further improvement is that the outer surface of the output shaft of the motor and the outer surface of the rotating shaft are both fixedly sleeved with pulleys, and the outer surfaces of the three pulleys are connected by belt transmission, and the active area of the first fan is enlarged through the pulleys and the rotating shaft.

A further improvement is that a second fan is fixedly sleeved on the outer surface of the bottom end of the rotating shaft, and the bottom end of the draft tube extends below the second fan, and the cooling of the draft tube is facilitated by setting the fan.

A further improvement is that a through groove is opened on the top surface of the bottom plate, a slide bar is fixedly connected to the inner wall of the through groove, and a slide block is slidably sleeved on the outer surface of the slide bar, and the bottom end of the slide block extends below the bottom plate, and the box The inner wall is provided with a card slot, the inside of the box is provided with an L-shaped card plate, the bottom surface of the L-shaped card plate is fixedly connected with the top surface of the slider, and the outer surface of the L-shaped card plate extends to the inside of the card slot and is connected with the card The inner wall of the groove is clamped, and the bottom plate and the box body are conveniently connected by setting an L-shaped clamping plate, a slider and a slider.

A further improvement is that a spring is sheathed on the outer side of the slide bar, one end of the spring is fixedly connected to the inner wall of the through groove, and the other end of the spring is fixedly connected to the outer surface of the slider, and the spring is provided to facilitate position limitation of the slider.

A further improvement is that a wall mounting bracket is provided behind the box body, a limiting groove is provided on the outer surface of the wall hanging mounting frame, a clamping plate is fixedly connected to the back of the box body, and the outer surface of the bottom end of the clamping plate extends to the limit position. The inside of the groove is clamped with the inner wall of the limiting groove, and the fixing and dismounting of the box body 1 are facilitated by providing a wall mounting bracket and a clamping plate.

Compared with the prior art, the beneficial effect of the utility model is: the power isolation box is provided with a motor, a rotating shaft, a pulley and the first fan, and by starting the motor, the motor drives the connected first fan to rotate, and at the same time, the pulley , so that the motor drives the rotating shaft and the other two first fans to rotate, so that the air body flows upward, so that the air body flows into the interior of the box from the lower ventilation hole, and flows out of the box from the upper ventilation hole, which is convenient for heat dissipation inside the box; By setting the water pump, the guide tube and the second fan, the heat inside the box is guided to the outside of the box by the guide tube, and the rotation of the second fan is driven by the rotating shaft, so as to accelerate the heat diffusion of the guide tube outside the box; Slide rod, spring, slider and L-shaped clamping plate, through the clamping connection between the outer surface of the L-shaped clamping plate and the inner wall of the card slot on the box body, the bottom plate is fixed on the bottom of the box body, and the slider is limited by the elastic force of the spring , so that the bottom plate and the box maintain a stable connection.

Description of drawings

Fig. 1 is a sectional view of the utility model three-dimensional structure;

Fig. 2 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 3 is a front sectional view of the three-dimensional structure of the present invention;

Figure 4 is an enlarged view of the structure at A in Figure 3;

Fig. 5 is a sectional view of the three-dimensional structure of the utility model box;

Fig. 6 is a partial cross-sectional view of the three-dimensional structure of the wall-mounted mounting frame of the present invention.

In the figure: 1 box body, 2 door body, 3 power supply isolation suppressor, 4 heat dissipation mechanism, 41 power part, 42 heat conduction part, 401 bottom plate, 411 motor, 412 rotating shaft, 413 pulley, 414 first fan, 415 second Fan, 421 diversion tube, 422 water pump, 424 slide rod, 425 spring, 426 slider, 427L-type card board, 5 wall mounting brackets, 6 card boards.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Figure 1-Figure 4, the utility model provides a technical solution: a power isolation box, including a box body 1, the front of the box body 1 is an opening, the inner wall of the box body 1 is hinged with a door body 2, and the inside of the box body 1 A power isolation suppressor 3 is provided, and a heat dissipation mechanism 4 is arranged behind the power isolation suppressor 3. The heat dissipation mechanism 4 includes a bottom plate 401, and a power unit 41 is arranged above the bottom plate 401;

The power part 41 includes two rotating shafts 412 and a motor 411. The bottom surface of the box body 1 is provided with a through hole. The outer surface of the bottom plate 401 is adapted to the inner wall of the through hole. The bottom surface of the motor 411 is fixedly connected to the top surface of the bottom plate 401. The bearing rotates through the top surface of the bottom plate 401 and extends to the bottom of the bottom plate 401. The outer surface of the output shaft of the motor 411 and the outer surface of the top end of the rotating shaft 412 are fixedly provided with a first fan 414, and the outer surface of the box body 1 is provided with air guide holes. The inner wall of the hole is fixedly connected with a filter screen, and the outer surface of the output shaft of the motor 411 and the outer surface of the rotating shaft 412 are fixedly provided with a pulley 413, and the outer surfaces of the three pulleys 413 are connected by a belt transmission. 413 and the first fan 414, by starting the motor 411, the motor 411 drives the connected first fan 414 to rotate, and at the same time, through the pulley 413, the motor 411 drives the rotating shaft 412 and the other two first fans 414 to rotate, so that the air body flows upward , so that the wind body flows into the box body 1 from the lower ventilation hole, and flows out of the box body 1 from the upper ventilation hole, so as to facilitate the heat dissipation inside the box body 1;

Embodiment two

Please refer to Fig. 5-Fig. 6, on the basis of the first embodiment, a heat conduction part 42 is arranged behind the motor 411;

The heat conduction part 42 includes a diversion tube 421 and a water pump 422. The outer surface of the bottom end of the diversion tube 421 is fixed through the top surface of the bottom plate 401 and extends to the bottom of the bottom plate 401. The top surface of the water inlet pipe of the water pump 422 is fixedly connected with the bottom surface of the diversion tube 421. The bottom surface of the water outlet pipe 422 is fixedly connected with the top surface of the flow guide pipe 421, and the outer surface of the bottom end of the rotating shaft 412 is fixedly provided with a second fan 415, and the bottom end of the flow guide pipe 421 extends below the second fan 415. The flow tube 421 and the second fan 415 use the guide tube 421 to guide the heat inside the box body 1 to the outside of the box body 1, and use the rotating shaft 412 to drive the second fan 415 to rotate, so as to speed up the heat diffusion of the flow tube outside the box body 1 ;

The top surface of the bottom plate 401 is provided with a through groove, the inner wall of the through groove is fixedly connected with a slide bar 424, the outer surface of the slide bar 424 is slidingly sleeved with a slider 426, the bottom end of the slider 426 extends to the bottom of the bottom plate 401, and the inner wall of the box body 1 is provided with a card. Slot, the inside of the box body 1 is provided with an L-shaped clamping plate 427, the bottom surface of the L-shaped clamping plate 427 is fixedly connected with the top surface of the slider 426, the outer surface of the L-shaped clamping plate 427 extends to the inside of the clamping groove and is engaged with the inner wall of the clamping groove, sliding The outer side of the rod 424 is covered with a spring 425, one end of the spring 425 is fixedly connected to the inner wall of the through groove, and the other end of the spring 425 is fixedly connected to the outer surface of the slider 426. , the bottom plate 401 is fixed on the bottom of the box body 1 through the clamping connection between the outer surface of the L-shaped clamp plate 427 and the inner wall of the slot on the box body 1. Body 1 maintains a stable connection relationship;

The rear of the box body 1 is provided with a wall mounting frame 5, the outer surface of the wall mounting frame 5 is provided with a limiting groove, the back of the box body 1 is fixedly connected with a clamping plate 6, and the outer surface of the bottom end of the clamping plate 6 extends to the inside of the limiting groove and is aligned with the limiting groove. The inner wall of the groove is clamped.

When in use, start the motor 411 and the water pump 422, the water pump 422 drives the liquid inside the draft tube 421 to flow, the motor 411 drives the connected first fan and the pulley 413 to rotate, and the right pulley 413 drives the two left belts through the belt. The wheel 413 rotates, and the two pulleys 413 on the left side drive the connected rotating shaft and the first fan 414 to rotate, so that the wind body flows into the inside of the box body 1 from the lower ventilation hole, and flows out of the box body 1 from the upper ventilation hole, while the rotating shaft 412 drives The second fan 415 rotates to speed up the heat dissipation of the air guide tube 421 outside the box body 1 .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, Alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A power isolation box, comprising a box body (1), characterized in that: the front of the box body (1) is provided with an opening, the inner wall of the box body (1) is hinged with a door body (2), and the box body (1) is A power supply isolation suppressor (3) is arranged inside the body (1), and a heat dissipation mechanism (4) is arranged behind the power supply isolation suppressor (3), and the heat dissipation mechanism (4) includes a base plate (401), and the base plate ( 401) is provided with a power unit (41); The power part (41) includes two rotating shafts (412) and a motor (411), the bottom surface of the box body (1) is provided with a through hole, and the outer surface of the bottom plate (401) is adapted to the inner wall of the through hole. The bottom surface of the motor (411) is fixedly connected to the top surface of the bottom plate (401), and the outer surface of the bottom end of the rotating shaft (412) passes through the top surface of the bottom plate (401) through the bearing rotation and extends to the bottom of the bottom plate (401); A heat conduction part (42) is arranged behind the motor (411); The heat conduction part (42) includes a guide tube (421) and a water pump (422), and the outer surface of the bottom end of the guide tube (421) is fixed through the top surface of the bottom plate (401) and extends to the bottom of the bottom plate (401). The top surface of the water inlet pipe of the water pump (422) is fixed and through connected with the bottom surface of the diversion pipe (421), and the bottom surface of the water outlet pipe of the water pump (422) is fixed and through connection with the top surface of the diversion pipe (421). 2. A power isolation box according to claim 1, characterized in that: the outer surface of the output shaft of the motor (411) and the outer surface of the top end of the rotating shaft (412) are both fixedly provided with a first fan (414), so The outer surface of the box body (1) is provided with an air guide hole, and the inner wall of the air guide hole is fixedly connected with a filter screen. 3. A power isolation box according to claim 1, characterized in that: the outer surface of the output shaft of the motor (411) and the outer surface of the rotating shaft (412) are both fixedly sleeved with pulleys (413), and the three The outer surface of the pulley (413) is connected by a belt drive. 4. A power isolation box according to claim 1, characterized in that: the outer surface of the bottom end of the rotating shaft (412) is fixedly provided with a second fan (415), and the bottom end of the draft tube (421) Extends below the second fan (415). 5. A power isolation box according to claim 1, characterized in that: the top surface of the bottom plate (401) is provided with a through groove, the inner wall of the through groove is fixedly connected with a sliding rod (424), and the sliding rod (424 ) the sliding sleeve on the outer surface is provided with a slider (426), the bottom end of the slider (426) extends below the bottom plate (401), the inner wall of the box (1) is provided with a card slot, and the box (1) An L-shaped clamp (427) is arranged inside, the bottom surface of the L-shaped clamp (427) is fixedly connected with the top surface of the slider (426), and the outer surface of the L-shaped clamp (427) extends to the inside of the groove and The inner wall of the card slot is snapped. 6. A power isolation box according to claim 5, characterized in that: a spring (425) is sheathed on the outside of the slide bar (424), and one end of the spring (425) is fixedly connected to the inner wall of the through groove, so that The other end of the spring (425) is fixedly connected with the outer surface of the slider (426). 7. A power isolation box according to claim 1, characterized in that: a wall mounting bracket (5) is provided behind the box body (1), and a limited slot is opened on the outer surface of the wall mounting frame (5) , the back of the box body (1) is fixedly connected with a clamping plate (6), and the outer surface of the bottom end of the clamping plate (6) extends to the inside of the limiting groove and is clamped with the inner wall of the limiting groove.