CN211859357U - Safety distribution box - Google Patents

Abstract

The utility model relates to a safe distribution box, which belongs to the technical field of distribution equipment and comprises an outer box body, a box opening arranged on the outer box body and a box door hinged on the outer box body and matched with the box opening, wherein an inner box body which is matched with the shape of the outer box body and is fixedly connected with the outer box body is arranged in the outer box body, and a distance is reserved between the inner box body and the outer box body; one side of the inner box body facing the box door is provided with an opening; the side plates and the top plate of the inner box body are perforated plates; a plurality of heat dissipation holes are formed in the side plate in the length direction of the outer box body; an exhaust hole is formed in the bottom surface of the outer box body, and an exhaust fan is arranged in the exhaust hole. The utility model discloses a set up the louvre on the block terminal and set up the exhaust fan in the bottom plate department of block terminal to utilize the fan at top circulation of air with higher speed, can guarantee the radiating effect, thereby avoid the inside high temperature of block terminal to cause the damage to the electrical components of block terminal inside.

Description

Safety distribution box

technical field

The utility model relates to the technical field of power distribution equipment, in particular to a safety distribution box.

Background technique

The distribution box is a low-voltage power distribution device that assembles switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on the screen according to the electrical wiring requirements.

The Chinese utility model patent with the authorization announcement number CN207381783 discloses a power distribution box, which includes a box body with an opening on one side, a box door installed on the side end of the box body, a mounting bracket installed on the back of the box body, and a box installed in the box body. The hanging plate, the cable management device, the bracket and some supporting frames. The box body is provided with a sealing frame, a wire inlet and a sealing ring, the sealing frame is arranged around the opening, and the wire inlet and the sealing ring are located at the bottom end of the box body.

The above-mentioned prior art solutions have the following defects: the distribution box lacks an effective heat dissipation system, because the electrical appliances in the distribution box will generate heat during operation, and the excessive temperature will cause the insulation of the electrical coils and leads to age and strike. If it is worn out, the electrical contact will increase the contact resistance due to the high temperature, and the increase in the contact resistance will intensify the heat generation. Such a vicious circle will eventually lead to the burnout of the contacts, which is likely to cause potential safety hazards.

Utility model content

The purpose of the present utility model is to provide a safety distribution box, the utility model can ensure the heat dissipation effect by arranging heat dissipation holes on the distribution box and arranging an exhaust fan at the bottom plate of the distribution box, and using the fan on the top to accelerate the air circulation , so as to avoid the high temperature inside the distribution box causing damage to the electrical components inside the distribution box and causing potential safety hazards.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A safety distribution box, comprising an outer box body, a box opening opened on the outer box body, and a box door hinged on the outer box body and matched with the box opening, the outer box body is provided with a shape matching with the outer box body and compatible with the outer box body. The inner box body is fixedly connected to the box body, and there is a distance between the inner box body and the outer box body; the inner box body is open to one side of the box door; the side plate and the top plate of the inner box body are perforated A number of heat dissipation holes are formed on the side plates in the length direction of the outer box body; air exhaust holes are formed on the bottom surface of the outer box body, and an exhaust fan is arranged in the air exhaust holes.

By adopting the above technical solution, the ventilation holes are used for ventilation inside and outside the distribution box to ensure the air circulation inside and outside, and at the same time, it can play the role of heat dissipation. The exhaust fan arranged at the bottom can discharge the hot air in the distribution box to the outside in time, so Reduce the temperature inside the distribution box to avoid overheating of electrical components.

The utility model is further provided as follows: two said exhaust fans are provided and are respectively located at both ends of the bottom plate of the outer box in the length direction.

By adopting the above technical solutions, the heat dissipation and air circulation inside the distribution box are accelerated.

The utility model is further provided as follows: a temperature sensor is arranged on the upper part of the inner box body; the temperature sensor is electrically connected with a microprocessor located inside the outer box body; the microprocessor is electrically connected with the exhaust fan.

By adopting the above technical solution, the automatic control of the exhaust fan is realized. The temperature sensor records the internal temperature of the distribution box and feeds it back to the microprocessor. When the temperature exceeds the preset value, the microprocessor starts the exhaust fan; when the temperature is lower than the preset value, the exhaust fan is activated. The exhaust fan does not start, thereby reducing the energy consumption caused by the exhaust fan being turned on for a long time.

The utility model is further provided that: a fan fixed on the outer box is arranged between the top plate of the outer box and the top plate of the inner box.

By adopting the above technical solution, the fan can accelerate the air circulation inside the distribution box and keep the inside of the box dry.

The utility model is further configured as follows: a moisture absorber is arranged in the inner box.

By adopting the above technical solution, the humidity in the distribution box is reduced by using a moisture absorber to keep it dry, so as to avoid damage to electrical components caused by excessive humidity.

The utility model is further provided that: the outer wall of the side plate with the heat dissipation hole is provided with a dust blocking plate located above the heat dissipation hole.

By adopting the above technical solutions, the amount of dust and other sundries entering the inside of the box through the heat dissipation holes is reduced, and the inside of the distribution box is kept clean.

The utility model is further configured as follows: a filter screen is arranged on the inner wall of the side plate with the heat dissipation holes opened in the outer box body.

By adopting the above technical solution, part of the dust can be filtered out, and at the same time, insects and the like can be prevented from entering the box.

The utility model is further configured as follows: the outer box is provided with a light strip.

By adopting the above-mentioned technical solution, it is convenient to repair the power distribution box in the event of a failure, without resorting to third-party lighting equipment.

The utility model is further configured as follows: a side plate of the outer box body opposite to the box door is provided with a mounting portion, the mounting portion includes a vertical rod and a mounting plate fixed on the vertical rod; the mounting plate is provided with Mounting holes.

By adopting the above technical solution, the installation of the outer box is convenient and the distance between the outer box and the wall is separated, so as to avoid the influence on the distribution box due to the return of moisture from the wall.

The utility model is further provided that: the mounting part is detachably connected with the outer box body.

By adopting the above technical solution, after the installation of the electrical components inside the distribution box is completed, the installation part can be fixed to the wall first, and then the outer box is connected to the installation part, which makes the installation of the distribution box more convenient.

To sum up, the beneficial technical effects of the present utility model are:

1. By setting heat dissipation holes on the distribution box and setting an exhaust fan at the bottom plate of the distribution box, and using the top fan to accelerate the air circulation, the heat dissipation effect can be ensured, so as to prevent the internal temperature of the distribution box from being too high. damage to electrical components;

2. By setting a temperature sensor and a microprocessor inside the distribution box, the exhaust fan can be automatically controlled to reduce energy consumption;

3. By setting the installation part, the wall is separated from the distribution box by a certain distance, and the installation of the distribution box is convenient.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the internal structure schematic diagram of the present utility model;

Fig. 3 is the partial enlarged schematic diagram of A part in Fig. 2;

4 is a schematic diagram of the internal structure of the present invention in another direction;

FIG. 5 is a schematic view of the structure of the installation part of the present invention.

In the figure, 1. outer box body; 11, box mouth; 12, box door; 13, heat dissipation hole; 14, dust shield; 15, filter screen; 16, exhaust hole; 2, inner box body; 21, perforation board; 22, support board; 23, power distribution board; 3, fan; 4, temperature sensor; 41, microprocessor; 5, exhaust fan; 6, moisture absorber; 7, installation part; 71, vertical rod; 72, Connecting board; 73. Mounting board; 8. Light strip.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , it is a safety distribution box disclosed by the utility model, including a cube-shaped outer box body 1 . A square box opening 11 is opened on one end face in the width direction of the outer box 1 . The box opening 11 is hinged with a split box door 12 which is matched with the box opening 11 .

Referring to FIG. 2 , an inner box 2 that matches the shape of the outer box 1 is provided inside the outer box 1 . A distance is left between the inner box 2 and the outer box 1 . One end of the inner box body 2 is opened toward the box door 12 . Both the top plate and the side plate of the inner box 2 are perforated plates 21 . Between the bottom plate of the inner box body 2 and the bottom plate of the outer box body 1 are vertically disposed supporting plates 22 fixedly connected to the bottom plate of the inner box body 2 and the bottom plate of the outer box body 1 respectively. The support plates 22 are disposed opposite to each other along the length direction of the outer box body 1 . Both ends of the inner box 2 along the width direction of the outer box 1 are respectively fixedly connected to the outer box 1 . Through the above arrangement, the inner case 2 is fixed on the outer case 1 .

Referring to FIG. 2 and FIG. 3 , a number of heat dissipation holes 13 penetrating the surface of the outer box 1 are formed in the lower part of the two side plates in the longitudinal direction of the outer box 1 . The heat dissipation holes 13 are arranged at equal intervals along the width direction of the outer casing 1 . Four vertical rows of heat dissipation holes 13 are respectively provided on the opposite side plates. The heat dissipation holes 13 are used for heat dissipation of internal electrical components.

A dust baffle plate 14 is horizontally disposed on the outside of the outer casing 1 above each row of the heat dissipation holes 13 . The dust baffle 14 is fixedly connected to the outer box 1 . The dust baffle 14 is arc-shaped. The dust blocking plate 14 can block debris such as dust and reduce the amount of dust entering the heat dissipation hole 13 .

Filter screens 15 are fixed on the inner walls of the side plates with the heat dissipation holes 13 . The filter screen 15 further restricts the entry of external dust into the inside of the distribution box.

A temperature sensor 4 is fixedly arranged above the inner wall of the side plate of the inner box 2 . A square distribution board 23 is bolted on the inner wall of the side plate opposite to the box door 12 of the inner box 2 . A microprocessor 41 is provided on the power distribution board 23 . The microprocessor 41 is electrically connected to the temperature sensor 4 .

A moisture absorber 6 fixed on the top surface of the bottom plate is provided at one end of the bottom plate of the inner box body 2 in the longitudinal direction of the inner box body 2 . The moisture absorber 6 can reduce the humidity inside the distribution box, so as to preserve the dryness inside the distribution box and keep the electrical components in a dry and safe environment.

A fan 3 fixed to the top plate of the inner box 2 is arranged between the top plate of the outer box 1 and the top plate of the inner box 2 . The fan 3 can accelerate the air flow inside the distribution box.

Referring to FIG. 4 , two ends of the top surface of the bottom plate of the outer box body 1 located in the longitudinal direction of the outer box body 1 are respectively provided with exhaust holes 16 vertically penetrating the plate surface. The exhaust fan 5 fixed on the bottom plate of the outer box 1 is arranged in the exhaust hole 16 . The exhaust fan 5 is electrically connected to the microprocessor 41 . One end of the exhaust fan 5 located inside the outer casing 1 is provided with a filter device (not shown in the figure).

Through the above settings, when the microprocessor 41 receives that the temperature detected by the temperature sensor 4 in the inner box 2 is higher than the preset temperature, the exhaust fan 5 is started, so that the inner box 2 can quickly dissipate heat; when the microprocessor 41 After receiving that the temperature detected by the temperature sensor 4 in the inner box 2 is lower than the preset temperature, the exhaust fan 5 is turned off, so as to avoid power waste caused by the exhaust fan 5 being turned on all the time.

Referring to FIG. 5 , a mounting portion 7 is provided on the outer wall of the side plate of the outer box 1 away from the box door 12 . The mounting part 7 includes a vertical rod 71 vertically arranged in the middle of the side plate of the outer box 1 . Both ends of the vertical rod 71 in the longitudinal direction are respectively fixed on the outer box 1 by means of connecting plates 72 which are fixedly connected with the vertical rod 71 . Both ends of the vertical rod 71 in the longitudinal direction are provided with mounting plates 73 along the longitudinal direction of the outer box 1 . The end face of the mounting plate 73 away from the outer case 1 and the end face of the vertical rod 71 away from the outer case 1 are on the same plane. The length of the mounting plate 73 is greater than the length of the outer case 1 . The mounting plate 73 is provided with a mounting hole penetrating the plate surface. When installing the distribution box on the wall, the installation part 7 separates the wall and the outer box 1 a certain distance, which not only facilitates the installation of the distribution box, but also avoids the damage to the distribution box caused by the return of moisture to the wall. influences.

The implementation principle of this embodiment is as follows: the fan 3 is installed on the top plate of the outer box 1, the exhaust fan 5 is installed in the exhaust hole 16, and the temperature sensor 4 is installed on the inner box 2 and is connected with the microprocessor on the power distribution board 23. 41 Electrical connections. After the various electrical components are installed, the installation portion 7 is fixed to the outer box 1, thereby fixing the outer box 1 to the wall.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (10)

1. A safety distribution box, comprising an outer box body (1), a box opening (11) opened on the outer box body (1), and a box door hinged on the outer box body (1) to cooperate with the box opening (11) (12), characterized in that: the outer box (1) is provided with an inner box (2) that matches the shape of the outer box (1) and is fixedly connected to the outer box (1). There is a distance between the body (2) and the outer box body (1); the inner box body (2) is open to the side of the box door (12); the side plate and the top plate of the inner box body (2) are It is a perforated plate (21); a number of heat dissipation holes (13) are opened on the side plates of the outer box (1) in the longitudinal direction; An exhaust fan (5) is arranged in the exhaust hole (16). 2 . The safety distribution box according to claim 1 , wherein two exhaust fans ( 5 ) are provided and are respectively located at both ends in the length direction of the bottom plate of the outer box ( 1 ). 3 . 3. The safety distribution box according to claim 1, characterized in that: a temperature sensor (4) is provided on the upper part of the inner box (2); the temperature sensor (4) is electrically connected to a 1) An internal microprocessor (41); the microprocessor (41) is electrically connected to the exhaust fan (5). 4. The safety distribution box according to claim 1, characterized in that: between the top plate of the outer box body (1) and the top plate of the inner box body (2), there is a fixed on the outer box body (1). Fan (3). 5. The safety distribution box according to claim 1, characterized in that: a moisture absorber (6) is arranged in the inner box (2). 6. The safety distribution box according to claim 1, characterized in that: the outer wall of the side plate with the heat dissipation hole (13) in the outer box body (1) is provided with a stopper located above the heat dissipation hole (13). Dust plate (14). 7 . The safety distribution box according to claim 1 , wherein a filter screen ( 15 ) is provided on the inner wall of the side plate of the outer box body ( 1 ) with heat dissipation holes ( 13 ). 8 . 8 . The safety distribution box according to claim 1 , wherein a light strip ( 8 ) is arranged in the outer box ( 1 ). 9 . 9 . The safety distribution box according to claim 1 , wherein a mounting portion ( 7 ) is provided on the side plate of the outer box body ( 1 ) facing away from the box door ( 12 ), and the mounting portion (7) comprising a vertical rod (71) and a mounting plate (73) fixed on the vertical rod (71); the mounting plate (73) is provided with a mounting hole. 10. The safety distribution box according to claim 9, characterized in that: the mounting portion (7) is detachably connected to the outer box (1).

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