CN115714323A - Heat dissipation system for indoor distribution box - Google Patents

Abstract

The invention discloses a heat dissipation system for an indoor distribution box, which belongs to the technical field of heat dissipation of distribution boxes and comprises a distribution box body, wherein notches are formed in two sides of the back surface of the distribution box body, fixing frames are fixed on two sides of an inner cavity of the distribution box body, the notches are formed in two sides of the distribution box body, so that the size of ventilation inside and outside the distribution box body is increased, the air flow inside and outside the distribution box body is accelerated, the heat inside the distribution box body is diffused outwards through the air flow, meanwhile, a motor drives a first rotating shaft to rotate, the first rotating shaft drives a roller to rotate, then the roller drives a movable plate to rotate to drive the air inside the distribution box body to flow, the heat inside the distribution box body is discharged outwards, the temperature inside the distribution box body is reduced, meanwhile, the fixing frames are embedded in two sides of the distribution box body, and when an exhaust fan discharges the air inside the distribution box body outwards, the movable air drives a wind shield to deflect upwards, and the area of a vent is increased.

Description

A cooling system for indoor distribution box

technical field

The invention relates to the technical field of heat dissipation of distribution boxes, in particular to a heat dissipation system for indoor distribution boxes.

Background technique

The distribution box is an electrical equipment with small size, easy installation, special technical performance, fixed position, unique configuration function, not limited by the site, widely used, stable and reliable operation, high space utilization, less land occupation and environmental protection effect specialty.

The power distribution cabinet is divided into indoor distribution box and outdoor distribution box according to the usage scenarios. Since the indoor distribution box is located in a relatively closed indoor space, the temperature difference between the inside and outside of the distribution box is not as large as that of the outdoor distribution box, resulting in lower heat dissipation efficiency than outdoors. Distribution box, the design of the traditional indoor distribution cabinet is similar to the structure of the outdoor distribution cabinet, which causes the temperature of the indoor distribution box to rise too fast. At the same time, the traditional indoor distribution box cooling system is a passive cooling system. The way of heat conduction spreads the heat outward, and the efficiency is too low.

In the prior art, the publication number: CN212648852U's Chinese utility model content discloses an indoor power distribution box, including a box body; a partition is slidably connected to the box body, and three electrical appliances are slidably connected to the box body through slide rails. guide. The size of the heat dissipation port of the distribution box is increased, and can be adjusted manually. The size of the heat dissipation port can be adjusted according to different times. Two slide rails are added inside the distribution box, and there are card slots on the slide rails, which can be used to fix electrical appliances. The guide rail of the component can be adjusted up and down quickly, thereby realizing the rapid adjustment of the electrical component.

The above technical solution utilizes increasing the size of the heat dissipation port to dissipate heat from the distribution box, which belongs to passive heat dissipation. It needs to rely on the flow of air to accelerate the diffusion of heat. Due to the low fluidity of the indoor air, increasing the size of the heat dissipation port has a negative effect on the heat dissipation efficiency. The improvement is not high.

Contents of the invention

In order to achieve the above object, the present invention provides the following technical solutions: a heat dissipation system for indoor distribution boxes, including a cabinet body of a distribution cabinet, gaps are opened on both sides of the back of the cabinet body of the distribution cabinet, and the distribution box Both sides of the inner cavity of the electric cabinet are fixed with a fixed frame, and the inner cavity of the fixed frame is connected with a first rotating shaft through bearing rotation, and a roller is fixed on the surface of the first rotating shaft, and the surrounding surface of the roller is Both are movably connected with movable plates, the bottom of the fixed frame is fixed with a motor, the output shaft of the motor is fixedly connected with the bottom of the first rotating shaft, both sides of the cabinet body of the power distribution cabinet are provided with through grooves, and The inner cavity of the through groove is embedded with a fixed frame, and the inner cavity of the fixed frame is movably connected with windshields through movable shafts from top to bottom, and a temperature sensor is installed at the center of the top of the inner cavity of the power distribution cabinet. .

Preferably, a storage groove is provided on the surface of the drum, and the inner cavity of the storage groove is rotatably connected with a second rotating shaft through a bearing, and the second rotating shaft is fixed on the top and bottom of the movable plate.

Preferably, a torsion spring is fixed on the surface of the second rotating shaft, and the other end of the torsion spring is fixed in the inner cavity of the receiving groove.

Preferably, both sides of the top of the inner cavity of the power distribution cabinet are fixed with mounting plates, the surface of the mounting plate is provided with a through hole, and an exhaust fan is embedded in the inner cavity of the through hole, and the exhaust fan is located between the fixed frame between.

Preferably, a protective net is fixed in the inner cavity of the cabinet body of the power distribution cabinet, and the protective net cover is arranged on the outside of the fixing frame.

Preferably, it also includes a cabinet door hinged to the front of the power distribution cabinet body through a hinge, the surface of the cabinet door is provided with an observation window, and the front top of the cabinet door is provided with cooling holes around the top.

Preferably, it also includes a placement plate fixed to the inner cavity of the power distribution cabinet, the placement plate is equidistant from top to bottom, and ventilation holes are opened on both sides of the top of the placement plate.

Preferably, a support block is fixed on the surface of the wind deflector, and the bottom of the support block is movably connected with the wind deflector below.

Preferably, supporting legs are fixed around the bottom of the distribution cabinet body, and buffer pads are fixed at the bottom of the supporting legs.

Preferably, it also includes a threading hole opened on the right side of the distribution cabinet body, and a sealing rubber sleeve is embedded in the inner cavity of the threading hole.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention increases the ventilation inside and outside the power distribution cabinet by opening gaps on both sides of the power distribution cabinet, so that the air flow inside and outside the power distribution cabinet is accelerated, and the heat in the power distribution cabinet is quickly Spread outward through the air flow, and at the same time, the motor drives the first rotating shaft to rotate, the first rotating shaft drives the roller to rotate, and then the roller drives the movable plate to rotate to drive the air flow inside the power distribution cabinet, and then transfer the heat inside the power distribution cabinet Discharge outwards to reduce the temperature inside the power distribution cabinet. At the same time, a fixed frame is embedded on both sides of the power distribution cabinet, and then the inner cavity of the fixed frame is connected with a windshield up and down. The windshield can be adjusted with the exhaust fan. When the exhaust fan discharges the air in the power distribution cabinet to the outside, the flowing air drives the windshield to deflect upwards, increasing the area of the ventilation opening. When the air flow speed decreases, the windshield overlaps and reduces the ventilation opening At the same time, the three-dimensional windshield blocks the dust from the outside and improves the heat dissipation efficiency inside the power distribution cabinet.

2. The present invention can limit the position of the second rotating shaft and the movable plate through the torsion spring, so that the movable plate can rotate around the second rotating shaft within a certain range, and then reset to facilitate the rotating of the movable plate in the inner cavity of the fixed frame. Avoid excessive gaps in the fixing frame, causing external pests and rats to enter the interior of the power distribution cabinet, and with the protective net, the connection between the power distribution cabinet and the outside world can be maintained, and mosquitoes and rodents can be blocked.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the expanded three-dimensional structure of the cabinet body of the power distribution cabinet of the present invention;

Fig. 3 is the three-dimensional structure schematic diagram of roller and fixed frame of the present invention;

Fig. 4 is a schematic diagram of a cross-sectional three-dimensional structure of a fixing frame of the present invention;

Fig. 5 is a schematic diagram of a top-view cross-sectional three-dimensional structure of the drum of the present invention.

Symbols in the figure: 1. Power distribution cabinet body; 2. Fixed frame; 3. First rotating shaft; 4. Roller; 5. Movable plate; 6. Motor; 7. Fixed frame; 8. Windshield; 9. Temperature sensor; 10, storage tank; 11, second rotating shaft; 12, torsion spring; 13, mounting plate; 14, exhaust fan; 15, protective net; 16, cabinet door; 17, cooling hole; 18, placement plate; 19 , ventilation hole; 20, support block; 21, support leg; 22, threading hole; 23, sealing rubber sleeve.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The present invention provides a heat dissipation system for indoor distribution boxes as shown in Figures 1 to 5, including a distribution cabinet body 1, both sides of the back of the power distribution cabinet body 1 are provided with gaps, so The two sides of the inner cavity of the cabinet body 1 of the power distribution cabinet are fixed with a fixed frame 2, and the inner cavity of the fixed frame 2 is connected to the first rotating shaft 3 through bearing rotation, and the surface of the first rotating shaft 3 is fixed with a roller. 4. A movable plate 5 is movably connected around the surface of the drum 4, a motor 6 is fixed at the bottom of the fixed frame 2, and the output shaft of the motor 6 is fixedly connected with the bottom of the first rotating shaft 3. Both sides of the cabinet body 1 of the power distribution cabinet are provided with through grooves, and the inner cavity of the through groove is embedded with a fixed frame 7. Board 8, a temperature sensor 9 is provided at the center of the top of the inner cavity of the power distribution cabinet body 1, and a gap is opened on both sides of the power distribution cabinet body 1 to increase the size of the internal and external ventilation of the power distribution cabinet body 1 , so that the air flow inside and outside the cabinet body 1 of the power distribution cabinet is accelerated, so that the heat in the cabinet body 1 of the power distribution cabinet is quickly diffused outward through the air flow, and at the same time, the motor 6 drives the first rotating shaft 3 to rotate, and the first rotating shaft 3 drives the roller 4 Rotate, and then the roller 4 drives the movable plate 5 to rotate to drive the air flow in the cabinet body 1 of the power distribution cabinet, and then discharge the heat inside the cabinet body 1 of the power distribution cabinet to reduce the temperature in the cabinet body 1 of the power distribution cabinet. The two sides of the cabinet body 1 of the power distribution cabinet are embedded with a fixed frame 7, and then the inner cavity of the fixed frame 7 is connected with a windshield 8 up and down. The angle of the windshield 8 can be adjusted with the exhaust fan 14. When the exhaust fan 14 will When the air in the cabinet body 1 of the power distribution cabinet is discharged outward, the flowing air drives the windshield 8 to deflect upwards, increasing the area of the ventilation opening. When the air flow speed decreases, the windshield 8 overlaps to reduce the size of the ventilation opening. The three-dimensional windshield 8 blocks the dust from the outside, and improves the efficiency of heat dissipation inside the cabinet body 1 of the power distribution cabinet.

The surface of the drum 4 is provided with a receiving groove 10, and the inner chamber of the receiving groove 10 is rotatably connected with a second rotating shaft 11 through a bearing, and the second rotating shaft 11 is fixed on the top and the bottom of the movable plate 5, and by using The second rotating shaft 11 can movably connect the movable plate 5 to the outside of the drum 4 to keep the movable plate 5 rotatable, while the storage groove 10 can accommodate the movable plate 5, reducing the size of the gap between the fixed mount 2 and the drum 4, Keeps larger bugs out.

The surface of the second rotating shaft 11 is fixed with a torsion spring 12, and the other end of the torsion spring 12 is fixed in the inner cavity of the receiving groove 10. By setting the torsion spring 12, the torsion spring 12 can connect the second rotating shaft 11 with the The drum 4 is connected so that the movable plate 5 and the second rotating shaft 11 have a supporting point, so that the movable plate 5 can be reset by the torsion spring 12 .

Both sides of the top of the inner cavity of the distribution cabinet body 1 are fixed with mounting plates 13, the surface of the mounting plate 13 is provided with a through hole, and the inner cavity of the through hole is embedded with an exhaust fan 14, and the exhaust fan 14 is located at Between the fixed frames 7, the exhaust fan 14 can be installed and fixed through the mounting plate 13 to ensure the stability of the exhaust fan 14, and the exhaust fan 14 is used to drive the air flow inside the power distribution cabinet body 1, so that the heat can be quickly discharged from the power distribution cabinet body through the air flow 1. Reduce the temperature inside the cabinet body 1 of the power distribution cabinet.

The inner cavity of the cabinet body 1 of the power distribution cabinet is fixed with a protective net 15, and the protective net 15 is set on the outside of the fixed frame 2. Through the setting of the protective net 15, the cabinet body 1 of the power distribution cabinet can be isolated from the outside world. , can guarantee the flow of air simultaneously, utilize protective net 15 to block outside insects and rodents.

It also includes a cabinet door 16 hinged to the front of the cabinet body 1 of the power distribution cabinet through a hinge. The surface of the cabinet door 16 is provided with an observation window, and the top of the cabinet door 16 is provided with cooling holes 17 around the front top. The situation inside the cabinet 1 of the power distribution cabinet can be observed, and at the same time, the heat dissipation holes 17 are used to accelerate the flow of hot air to ensure that the temperature inside the cabinet 1 of the power distribution cabinet is in a low range, so as to avoid poor air circulation and cause the distribution cabinet The temperature inside the cabinet 1 gradually increases.

It also includes a placement plate 18 fixed to the inner cavity of the cabinet body 1 of the power distribution cabinet. The placement plate 18 is equidistantly arranged from top to bottom. Ventilation holes 19 are opened on both sides of the top of the placement plate 18. Through the placement plate 18 The electrical equipment inside the cabinet body 1 of the power distribution cabinet can be placed and installed to improve the stability of the electrical equipment, and then the ventilation holes 19 can allow the upper and lower air circulation of the placement plate 18, so that the hot air at the bottom can flow upwards and quickly Drain the inside of cabinet body 1 of the power distribution cabinet.

The surface of the windshield 8 is fixed with a support block 20, the bottom of the support block 20 is movably connected with the windshield 8 below, and the windshield 8 can be supported by the support block 20. When the windshield 8 is in the They hang down naturally under the action of gravity, and when they are stacked on top of each other, there is a vent of a certain size between the windshields 8, so as to ensure that the air flows outward through the fixed frame 7 smoothly, and accelerates the loss of heat.

Support legs 21 are fixed around the bottom of the power distribution cabinet body 1, and cushion pads are fixed on the bottom of the support legs 21. The height of the power distribution cabinet body 1 can be raised through the support legs 21, and at the same time, the buffer pad The cushion can damp the cabinet body 1 of the power distribution cabinet to prevent the cabinet body 1 of the power distribution cabinet from shaking.

It also includes a threading hole 22 opened on the right side of the cabinet body 1 of the power distribution cabinet. The inner cavity of the threading hole 22 is embedded with a sealing rubber sleeve 23. Through the threading hole 22 and the sealing rubber sleeve 23, it is convenient to wrap the distribution line. , so as to prevent mosquitoes from entering the distribution cabinet cabinet body 1 from the threading hole 22.

In specific use, electrical equipment is installed inside the cabinet body 1 of the power distribution cabinet. When the electrical equipment operates to generate heat, when the heat reaches a certain value, the temperature sensor 9 detects the temperature, and then controls the opening of the motor 6 to make the output of the motor 6 The shaft drives the first rotating shaft 3 to rotate, and then the first rotating shaft 3 drives the roller 4 to rotate in the inner cavity of the fixed frame 2, and then the roller 4 drives the movable plate 5 to rotate, and the movable plate 5 drives the air inside the power distribution cabinet body 1 flow, so that the heat inside the cabinet body 1 of the power distribution cabinet flows outward with the air. At this time, when the movable plate 5 is rotated outward from the cabinet body 1 of the power distribution cabinet, the internal air is pushed outward through the gap, and when the movable plate 5 During the rotation from the outside to the inside of the cabinet body 1 of the power distribution cabinet, the movable plate 5 is in contact with the fixed frame 2. With the rotation of the drum 4, the movable plate 5 rotates around the second rotation axis 11, and then the movable plate 5 shrinks into the storage slot 10, and then the movable plate 5 smoothly enters the interior of the power distribution cabinet body 1 through the gap between the roller 4 and the fixed frame 2, and circulates the hot air to the outside, and then lowers the temperature inside the power distribution cabinet body 1. At the same time, the exhaust fan 14 is started, and then the exhaust fan 14 accelerates the air inside the power distribution cabinet body 1, so that the air blows outward through the fixed frame 7. When the air flow speed increases, the air flow drives the windshield 8 to deflect upward. , increase the size of the gap between the windshields 8, so that the hot air can be quickly discharged from the inside of the cabinet body 1 of the power distribution cabinet.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a cooling system for indoor distribution box, includes the switch board cabinet body (1), its characterized in that: the utility model discloses a temperature sensor, including switch board cabinet body (1), the both sides at the back of the switch board cabinet body (1) all seted up jaggedly, the both sides of the switch board cabinet body (1) inner chamber all are fixed with mount (2), the inner chamber of mount (2) rotates through the bearing and is connected with first rotation axis (3), the fixed surface of first rotation axis (3) has cylinder (4), equal swing joint all around on the surface of cylinder (4) has fly leaf (5), the bottom of mount (2) is fixed with motor (6), the output shaft of motor (6) and the bottom fixed connection of first rotation axis (3), logical groove has all been seted up to the both sides of the switch board cabinet body (1), and the inner chamber that just leads to the groove inlays and is equipped with fixed frame (7), the inner chamber of fixed frame (7) from last to all looping through loose axle swing joint have deep bead (8) down, the center department at the switch board cabinet body (1) inner chamber top is provided with temperature sensor (9).

2. The heat dissipation system for an indoor power distribution box of claim 1, wherein: the surface of the roller (4) is provided with a storage groove (10), the inner cavity of the storage groove (10) is rotatably connected with a second rotating shaft (11) through a bearing, and the second rotating shaft (11) is fixed at the top and the bottom of the movable plate (5).

3. The heat dissipation system for an indoor power distribution box of claim 2, wherein: and a torsion spring (12) is fixed on the surface of the second rotating shaft (11), and the other end of the torsion spring (12) is fixed in the inner cavity of the accommodating groove (10).

4. The heat dissipation system for an indoor power distribution box of claim 1, wherein: the both sides at switch board cabinet body (1) inner chamber top all are fixed with mounting panel (13), the through-hole has been seted up on the surface of mounting panel (13), and the inner chamber of through-hole inlays and is equipped with exhaust fan (14), exhaust fan (14) are located between fixed frame (7).

5. The heat dissipation system for an indoor distribution box of claim 1, wherein: the inner cavity of the power distribution cabinet body (1) is fixed with a protective net (15), and the protective net (15) covers the outer side of the fixing frame (2).

6. The heat dissipation system for an indoor power distribution box of claim 1, wherein: still include to articulate in positive cabinet door (16) of the switch board cabinet body (1) through the hinge, the observation window has been seted up on the surface of cabinet door (16), louvre (17) have all been seted up all around at the positive top of cabinet door (16).

7. The heat dissipation system for an indoor power distribution box of claim 1, wherein: still including being fixed in placing board (18) of the switch board cabinet body (1) inner chamber, place board (18) and set up from last equidistance down, place the both sides at board (18) top and all seted up ventilation hole (19).

8. The heat dissipation system for an indoor power distribution box of claim 1, wherein: the surface of the wind shield (8) is fixed with a supporting block (20), and the bottom of the supporting block (20) is movably connected with the wind shield (8) below.

9. The heat dissipation system for an indoor power distribution box of claim 1, wherein: all be fixed with supporting leg (21) around switch board cabinet body (1) bottom, the bottom of supporting leg (21) is fixed with the blotter.

10. The heat dissipation system for an indoor distribution box of claim 1, wherein: the power distribution cabinet is characterized by further comprising a threading hole (22) formed in the right side of the power distribution cabinet body (1), and a sealing rubber sleeve (23) is embedded in an inner cavity of the threading hole (22).

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