CN211879899U - Rain-proof electric distribution box - Google Patents

Abstract

The utility model provides a rain-proof electric distribution box, because outer through-hole sets up the not co-altitude position in outer casing and interior casing both sides respectively with interior through-hole, make outer through-hole and interior through-hole realize ventilating through the connection of the cavity that flows, can make the inside and outside circulation of air of box, help the heat dissipation, simultaneously outside through-hole outside set up the probability that the reducible outer through-hole of rain eyebrow was intake, first waterproof function has, after intaking in outer through-hole, the water just can be blockked in the flow cavity, and flow to the cavity bottom that flows under the effect of gravity, discharge from the outlet of shell body bottom, reach the waterproof effect of secondary. Furthermore, the utility model discloses an install the exhaust fan under the rain cover intermediate position, can effectively avoid the outside water to cause the exhaust fan motor to intake in getting into the exhaust fan and damage, improve the life of exhaust fan, still can avoid the external water to get into the box through the exhaust fan passageway simultaneously and inside cause the damage to electrical equipment, guarantee electrical equipment's normal steady operation.

Description

Rain-proof electric distribution box

Technical Field

The utility model relates to an electrical equipment technical field specifically is a rain-proof electrical distribution box.

Background

The distribution box is a low-voltage distribution box formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the requirements of electrical wiring, wherein a circuit can be switched on or off by a manual or automatic switch in normal operation, the circuit can be switched off or an alarm by the protective electrical appliances in fault or abnormal operation, various parameters in operation can be displayed by the measuring instruments, certain electrical parameters can be adjusted, and the deviation from the normal working state is prompted or signaled.

However, the existing distribution box has the following disadvantages:

1. most of existing distribution boxes are of single-layer structures, heat dissipation and ventilation structures are arranged on the side faces of the distribution boxes, but the existing heat dissipation and ventilation structures can be easily filled with water when heat dissipation and ventilation are achieved, so that the overall waterproof effect of the distribution boxes is greatly reduced, short circuits of internal electrical equipment are easily caused, and electric shock accidents are easily caused when personnel overhaul.

2. The existing distribution box is often additionally provided with a cooling fan on the box body to perform automatic induction cooling through a temperature induction element and a controller in order to improve the cooling efficiency, but the existing cooling fan cannot effectively resist the interference of an external water body after being installed, and a fan motor is easy to enter water and is damaged.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a rainproof electric distribution box, because the box body comprises an outer shell and an inner shell, a flowing cavity is arranged between the outer shell and the inner shell, inner through holes are arranged at two sides of the inner shell, outer through holes are arranged at two sides of the outer shell, rain-sheltering eyebrows are arranged outside the outer through holes on two side surfaces of the outer shell, a water outlet is arranged at the middle position of the bottom of the outer shell, a temperature sensor is arranged on the inner wall of the box body, an exhaust duct is arranged at the middle position of the top of the box body, an exhaust fan is arranged inside the exhaust duct, two ends of the exhaust duct run through the inner end and the outer end of the box body, a temperature controller is arranged at one side of the exhaust duct on the upper end surface of the box body, the temperature controller is respectively electrically connected with the temperature sensor and, short service life.

The utility model provides a technical scheme that technical problem adopted: a rain-proof electric distribution box comprises a box body, a box door and a rain cover, and is characterized in that a base is installed at four corners of the bottom of the box body, one side of the front end of the box body is movably hinged with a box door, the rain cover is installed at the top end of the box body, a plurality of equipment installation beams are welded in the box body, the box body comprises an outer shell and an inner shell, a flowing cavity is arranged between the outer shell and the inner shell, inner through holes are formed in two sides of the inner shell, outer through holes are formed in two sides of the outer shell, rain brows are arranged outside the outer through holes on the two side surfaces of the outer shell, a water outlet is formed in the middle position of the bottom of the outer shell, a temperature sensor is installed on the inner wall of the box body, an exhaust duct is installed in the middle position of the top of the box body, an exhaust, temperature controller is installed to the up end of box in one side of exhaust duct, temperature controller respectively with temperature sensor and exhaust fan electric connection.

Preferably, the upper part of the box door is provided with a toughened glass window.

Preferably, the upper part of the rear end face of the box body is provided with a wire inlet hole.

Preferably, the outer through hole is provided with a dust filter screen.

Preferably, a rubber pad is bonded to the bottom end of the base.

Preferably, the upper end of the exhaust duct is at least 30mm higher than the top surface of the box body.

The utility model has the advantages that: the utility model provides a pair of rain-proof electric distribution box possesses following beneficial effect:

(1) the utility model discloses a set up the shell body, interior casing, the flow cavity, interior through-hole, outer through-hole, during the use, outer through-hole sets up the different altitude position in outer casing and interior casing both sides respectively with interior through-hole, make outer through-hole and interior through-hole realize ventilating through the connection of the cavity that flows, can make the inside and outside circulation of air of box, help the heat dissipation, simultaneously outside through-hole outside set up the probability that the reducible outer through-hole of rain eyebrow was intake, have first waterproof function, after intaking in outer through-hole, the water just can be blockked in the flow cavity, and flow to flow the cavity bottom under the effect of gravity, discharge from the outlet of shell body bottom, reach the waterproof effect of secondary.

(2) The utility model discloses an install the exhaust fan under the rain cover intermediate position, can effectively avoid the outside water to cause the exhaust fan motor to intake in getting into the exhaust fan and damage, improve the life of exhaust fan, still can avoid external water to get into the box through the exhaust fan passageway simultaneously and inside cause the damage to electrical equipment, guarantee electrical equipment's normal steady operation.

Drawings

Fig. 1-3 are schematic structural views of a first embodiment of the present invention. Wherein, fig. 1 is a front view of the present invention; FIG. 2 is a schematic structural view of the case of the present invention; fig. 3 is a rear view of the present invention.

In the figure:

1. a box body;

2. a base;

3. a box door;

4. a rain cover;

5. a device mounting beam;

6. an outer housing;

7. an inner housing;

8. a flow chamber;

9. an inner through hole;

10. an outer through hole;

11. rain-proof eyebrows;

12. a water outlet;

13. a temperature sensor;

14. an exhaust fan;

15. a temperature controller;

16. a dust filter screen;

17. a rubber pad;

18. tempering the glass window;

19. a wire inlet hole;

20. an exhaust duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a distribution box for electrical equipment comprises a box body 1, a box door 3 and a rain cover 4, wherein a base 2 is arranged at four corners of the bottom of the box body 1, one side of the front end of the box body 1 is movably hinged with a box door 3, the rain cover 4 is arranged at the top end of the box body 1, a plurality of equipment mounting cross beams 5 are welded in the box body 1, the box body 1 comprises an outer shell 6 and an inner shell 7, a flow cavity 8 is arranged between the outer shell 6 and the inner shell 7, inner through holes 9 are arranged at two sides of the inner shell 7, outer through holes 10 are arranged at two sides of the outer shell 6, rain eyebrows 11 are arranged outside the outer through holes 10 on two side surfaces of the outer shell 6, a water outlet 12 is arranged at the middle position of the bottom of the outer shell 6, a temperature sensor 13 is arranged on the inner wall of the box body 1, an, the two ends of the exhaust duct 20 penetrate through the inner end and the outer end of the box body 1, the upper end surface of the box body 1 is provided with a temperature controller 15 at one side of the exhaust duct 20, the temperature controller 15 is respectively electrically connected with a temperature sensor 13 and an exhaust fan 14, the upper part of the box door 3 is provided with a toughened glass window 18, the upper part of the rear end surface of the box body 1 is provided with a wire inlet hole 19, the wire inlet hole 19 is used for connecting a connecting wire of electrical equipment, the position of the wire inlet hole 19 is shielded by a rain shielding cover 4, so that rainwater can be prevented from entering, the outer through hole 10 is provided with a dust filter 16, the dust filter 16 can prevent external dust from entering the outer through hole 10, so that the dustproof effect of the box body 1 is improved, the bottom end of the base 2 is bonded with a rubber pad 17, the rubber pad 17 has stronger wear resistance, the friction force between the rubber pad and the ground is larger, the stability of the box body 1 can be effectively improved, the situation that water stored at the top end of the box body 1 cannot directly flow back into the exhaust duct 20 can be avoided.

The working principle is as follows: when the temperature sensor 13 monitors that the temperature value in the box body 1 reaches a preset threshold value, the temperature controller 15 controls the exhaust fan 14 in the exhaust pipeline 20 to be opened, high-temperature gas in the box body 1 is exhausted outwards through the exhaust pipeline 20, meanwhile, low-temperature gas outside enters through the outer through hole 10 in the outer shell body 6, then enters into the inner through hole 9 through the flowing cavity 8, then enters into the box body 1 and takes away high temperature generated by electrical equipment under the driving of the exhaust fan 14, the effect of rapid heat dissipation is achieved, the rain shielding eyebrow 11 is arranged outside the outer through hole 10 and can block an external water body, after water carelessly enters into the outer through hole 10, the water body can be blocked in the flowing cavity 8 and flows to the bottom of the flowing cavity 8 under the action of gravity, and is exhausted from the water outlet 12 at the bottom of the outer shell body 6, and the waterproof effect is achieved.

To sum up can, the utility model discloses a set up rain-proof lid 4, rain-proof lid 4 can keep off the rain to box 1 and exhaust fan 14, avoid exhaust fan 14 to intake water and damage, improve exhaust fan 14's life, the short problem of current technical life has been solved, through setting up shell body 6, interior casing 7, interior through-hole 9 and outer through-hole 10, interior through-hole 9 sets up respectively on the different altitude position of casing 7 and shell body 6 including with outer through-hole 10, can have waterproof effect again when reaching the radiating, the unable radiating and waterproof problem of compromise simultaneously of current technique has been solved.

Claims (6)

1. A rain-proof electric distribution box comprises a box body, a box door and a rain cover, and is characterized in that a base is installed at four corners of the bottom of the box body, one side of the front end of the box body is movably hinged with a box door, the rain cover is installed at the top end of the box body, a plurality of equipment installation beams are welded in the box body, the box body comprises an outer shell and an inner shell, a flowing cavity is arranged between the outer shell and the inner shell, inner through holes are formed in two sides of the inner shell, outer through holes are formed in two sides of the outer shell, rain brows are arranged outside the outer through holes on the two side surfaces of the outer shell, a water outlet is formed in the middle position of the bottom of the outer shell, a temperature sensor is installed on the inner wall of the box body, an exhaust duct is installed in, the both ends of exhaust duct run through in the interior outer end of box, temperature controller is installed in one side of exhaust duct to the up end of box, temperature controller respectively with temperature sensor and exhaust fan electric connection.

2. A rainproof electric distribution box according to claim 1, wherein a tempered glass window is mounted on an upper portion of said box door.

3. A rainproof electric distribution box according to claim 1, wherein a wire inlet hole is formed in an upper portion of a rear end face of said box body.

4. A rainproof electrical distribution box according to claim 1, wherein said outer through hole is provided with a dust screen.

5. A weatherproof electrical distribution box according to claim 1, wherein said base has a rubber pad bonded to a bottom end thereof.

6. A weatherproof electrical distribution box according to claim 1 wherein the upper end of said exhaust duct is at least 30mm above the top surface of the box.

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