CN219998738U - Low-voltage distribution box with internal dustproof structure - Google Patents

Abstract

The utility model discloses a low-voltage distribution box with an internal dustproof structure, which belongs to the technical field of low-voltage distribution boxes and comprises a box body and a box door arranged on the box body, wherein an exhaust pipe is arranged at the top of the side wall of the inner cavity of the box body, an air inlet pipe is arranged at the bottom of the side wall of the inner cavity of the box body, three groups of grooves are formed in the exhaust pipe, rubber pads are adhered to openings on the outer surface of the exhaust pipe, a first filter screen and a second filter screen are sequentially and respectively arranged at one end, close to the outer part of the box body, of the exhaust pipe and in the middle of the exhaust pipe, a plurality of mounting grooves are formed at the top and the bottom of the two grooves, a magnet is arranged in each mounting groove, a fan is arranged at one end, far away from the outer part of the box body, of the exhaust pipe is provided with three fixing plates, the fixing plates are uniformly distributed, and a plurality of fixing holes are uniformly formed in the fixing plates.

Description

Low-voltage distribution box with internal dustproof structure

Technical Field

The utility model belongs to the technical field of low-voltage distribution boxes, and particularly relates to a low-voltage distribution box with an internal dustproof structure.

Background

The low-voltage distribution box is integrated with a gas collecting element and an electric circuit, is a distribution system with rated current of alternating current of 50Hz and rated voltage of 380v, is used for converting and controlling power, illumination and electric energy of distribution, is usually provided with a plurality of radiating holes to ensure the radiation of the electric element, and is provided with a filter screen to isolate dust in order to prevent the dust from entering the low-voltage distribution box from the radiating holes.

The existing filter screen in the low-voltage distribution box is not easy to detach and replace, so that the low-voltage distribution box is damaged by the filter screen or dust enters the box body, or the filter screen is blocked and heat dissipation is poor, unnecessary damage is caused to the distribution box, and daily life of residents is affected.

The chinese patent document (grant publication No. CN 208596883U) discloses a distribution box with a dustproof function, and in the background art, the "distribution box is mentioned as a relatively common circuit tool, and generally, according to the electrical wiring requirement, a switching device, a measuring instrument, a protection electrical appliance and an auxiliary device are assembled in a closed or semi-closed metal cabinet or on a screen, so as to form a low-voltage distribution box. The circuit can be switched on or off by means of a manual or automatic switch during normal operation. And the block terminal is in long-term incessant work, and the dust of outside runs the block terminal very easily in, causes incasement accumulation dust, influences the block terminal performance, still can lead to the circuit short circuit when serious, takes place the incident, and the general dustproof effect of block terminal on the present market is relatively poor, can not satisfy actual requirement. By the way, the problems mentioned in the background art are similar to the present utility model.

Disclosure of Invention

The utility model aims to provide a low-voltage distribution box with an internal dustproof structure, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low voltage distribution box with inside dustproof construction, includes the box and installs the chamber door on the box, the blast pipe is installed at box inner chamber lateral wall top, the intake pipe is installed to box inner chamber lateral wall bottom, three group's recess has been seted up in the blast pipe, the opening bonding of recess at the blast pipe surface has the rubber pad, first filter screen and second filter screen are installed respectively in succession to two recesses that the blast pipe is close to box outside one end and centre, and a plurality of mounting grooves have been seted up at these two recess tops and bottom, installs magnet in the mounting groove, the recess that the box outside one end was kept away from to the blast pipe is installed the fan, install three fixed plate on the box inner chamber lateral wall, fixed plate evenly distributed, evenly set up a plurality of fixed orificess on the fixed plate.

Preferably, the first filter screen and the second filter screen are provided with filter screen frames, a plurality of iron blocks are arranged at the top and the bottom of each filter screen frame, and the iron blocks are arranged in the grooves in a one-to-one correspondence with the positions of the magnets in the mounting grooves.

Preferably, the fixing hole is provided with a first electric element and a second electric element, and an electric wire is connected between the first electric element and the second electric element.

Preferably, the intake pipe and the exhaust pipe have the same structure.

Preferably, the outer side wall of the box body is provided with two hinges which are connected with a box door, and the box door is provided with an observation window for daily observation and a handle for opening.

Preferably, two mounting plates for mounting are arranged at two ends of the box body, a plurality of holes are formed in the side wall of the box body, and rubber tubes are mounted in the holes.

The technical effect and the advantage of this low voltage distribution box with inside dustproof construction:

the first filter screen and the second filter screen used by the low-voltage distribution box are arranged in the groove, and are fixed by magnetic attraction through the magnets arranged in the mounting groove and the filter screen frame, so that the low-voltage distribution box can be conveniently detached and cleaned, the density degree of the two filter screens is different, the maintenance period of the second filter screen with smaller meshes is longer, dust can be reduced to enter the box, maintenance workload can be properly reduced, and the problems that the filter screen is damaged, dust enters the inside of the box, the filter screen is blocked, the heat dissipation is poor and the like can be rapidly solved during use;

meanwhile, the holes used for penetrating the electric wires on the box body are all provided with rubber tubes, so that friction of the box body to the electric wires is reduced, the use safety is improved, and unnecessary losses are reduced.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 3 is an enlarged view of the embodiment of FIG. 1A according to the present utility model;

FIG. 4 is an enlarged view of the embodiment of the utility model at B in FIG. 1;

FIG. 5 is a schematic view of the exhaust pipe of the present utility model;

fig. 6 is a schematic structural diagram of a first filter according to the present utility model.

In the figure: 1. a case; 2. a mounting plate; 3. an electric wire; 4. a fixing plate; 5. a fixing hole; 6. a first electrical component; 7. a second electrical component; 8. an exhaust pipe; 9. a fan; 10. a groove; 11. a first filter screen; 12. a second filter screen; 13. an air inlet pipe; 14. a magnet; 15. a rubber tube; 16. an observation window; 17. a handle; 18. a hinge; 19. a door; 20. a rubber pad; 21. a filter screen frame; 22. a mounting groove; 23. iron blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, a low voltage distribution box with an internal dustproof structure includes a box 1 and a box door 19 mounted on the box 1, an exhaust pipe 8 is mounted at the top of the side wall of the inner cavity of the box 1, an air inlet pipe 13 is mounted at the bottom of the side wall of the inner cavity of the box 1, three groups of grooves 10 are formed in the exhaust pipe 8, rubber pads 20 are bonded to openings of the outer surface of the exhaust pipe 8 in the grooves 10, the openings of the rubber pads 20 are slightly smaller than the openings of the grooves 10 on the surface of the exhaust pipe 8, the first filter screen 11, the second filter screen 12 and the fan 9 are sealed after being mounted, the two grooves 10 near the outer end and the middle of the box 1 of the exhaust pipe 8 are sequentially provided with a first filter screen 11 and a second filter screen 12, a plurality of mounting grooves 22 are formed in the top and bottom of the two grooves 10 respectively, magnets 14 are mounted in the mounting grooves 22, the magnets 14 are fixed in a bonding manner, the grooves 10 at the outer end of the exhaust pipe 8 is far away from the box 1, the fan 9 is mounted on the side wall of the inner cavity of the box 1, the three fixing plates 4 are uniformly distributed, a plurality of fixing holes 5 are uniformly distributed on the fixing plates 4, the fixing holes 5 are used for mounting an electric element 7, and an electric element 7 is connected with an electric element 3, and the electric element is similar to the electric element is connected with the electric element.

The first filter screen 11 and the second filter screen 12 are provided with a filter screen frame 21, the top and the bottom of the filter screen frame 21 are provided with a plurality of iron blocks 23, the iron blocks 23 are arranged in the groove 10 and correspond to the positions of the magnets 14 in the mounting groove 22 one by one, the filter screen frame 21 is made of plastics, the plurality of iron blocks 23 are adhered to the filter screen frame 21, meshes of the first filter screen 11 are larger than those of the second filter screen 12, the first filter screen 11 and the second filter screen 12 can be rapidly disassembled and cleaned, and the air inlet pipe 13 and the exhaust pipe 8 have the same structure.

The outer side wall of the box body 1 is provided with two hinges 18 which are connected with a box door 19, an observation window 16 for daily observation and a handle 17 for opening are arranged on the box door 19, two mounting plates 2 for mounting are arranged at two ends of the box body 1, a plurality of holes are formed in the side wall of the box body 1, rubber tubes 15 are arranged in the holes, electric wires 3 penetrate through the rubber tubes 15, and abrasion of the box body 1 to the electric wires 3 can be reduced by the rubber tubes 15.

When the low-voltage distribution box with the internal dustproof structure is used, firstly, the box body 1 is fixed at a place to be installed through a hole in the mounting plate 2, then the box door 19 is opened through the handle 17, an electric element is installed on the fixing hole 5 of the fixing plate 4, the electric elements are connected through the electric wire 3, the electric wire 3 penetrates into the box body 1 through the rubber tube 15, meanwhile, the box body 1 is penetrated out through the rubber tube 15, the first filter screen 11 is installed in a groove 10 of the exhaust pipe 8, which is close to one end of the box body 1, the second filter screen 12 is installed in the groove 10 in the middle of the exhaust pipe 8, the fan 9 is installed in a groove 10 of one end of the exhaust pipe 8, which is far away from the box body 1, the first filter screen 11, the second filter screen 12 and the fan 9 of the air inlet pipe 13 are installed in the same manner, then the box door 19 is closed, then the fan 9 of the air inlet pipe 13 is opened to suck air into the box body 1, then the fan 9 of the exhaust pipe 8 is opened to exhaust the outside of the box body 1, the box door 19 is opened during daily maintenance, the first filter screen 11 and the second filter screen 12 are removed and cleaned, and the first filter screen 11 and the second filter screen 12 after the air drying are reused in the box body 1.

The foregoing is only a preferred embodiment of the utility model, but the scope of the utility model is not limited thereto, and any person skilled in the art who is in the field of the utility model can apply equivalent substitution or modification to the technical solution and the inventive concept according to the utility model within the scope of the utility model.

Claims (6)

1. The utility model provides a low voltage distribution box with inside dustproof construction, includes box (1) and installs chamber door (19) on box (1), its characterized in that: an exhaust pipe (8) is arranged at the top of the side wall of the inner cavity of the box body (1), an air inlet pipe (13) is arranged at the bottom of the side wall of the inner cavity of the box body (1), three groups of grooves (10) are formed in the exhaust pipe (8), rubber pads (20) are adhered to openings of the outer surface of the exhaust pipe (8) in the grooves (10), a first filter screen (11) and a second filter screen (12) are sequentially and respectively arranged at one end, close to the outer part of the box body (1), of the exhaust pipe (8) and in the middle of the two grooves (10), and a plurality of mounting grooves (22) have been seted up at these two recess (10) tops and bottom, install magnet (14) in mounting groove (22), fan (9) are installed in recess (10) of the outside one end of box (1) are kept away from in blast pipe (8), install three fixed plate (4) on box (1) inner chamber lateral wall, fixed plate (4) evenly distributed, a plurality of fixed orifices (5) have evenly been seted up on fixed plate (4).

2. A low voltage distribution box with internal dust protection structure according to claim 1, characterized in that: the novel filter screen comprises a first filter screen (11) and a second filter screen (12), wherein a filter screen frame (21) is arranged on the first filter screen, a plurality of iron blocks (23) are arranged at the top and the bottom of the filter screen frame (21), and the iron blocks (23) are arranged behind a groove (10) in one-to-one correspondence with the positions of magnets (14) in an installation groove (22).

3. A low voltage distribution box with internal dust protection structure according to claim 1, characterized in that: the fixing hole (5) is provided with a first electric element (6) and a second electric element (7), and an electric wire (3) is connected between the first electric element (6) and the second electric element (7).

4. A low voltage distribution box with internal dust protection structure according to claim 1, characterized in that: the air inlet pipe (13) and the air outlet pipe (8) have the same structure.

5. A low voltage distribution box with internal dust protection structure according to claim 1, characterized in that: the novel multifunctional portable refrigerator is characterized in that two hinges (18) are arranged on the outer side wall of the refrigerator body (1) and connected with a refrigerator door (19), and an observation window (16) for daily observation and a handle (17) for opening are arranged on the refrigerator door (19).

6. A low voltage distribution box with internal dust protection structure according to claim 1, characterized in that: two mounting plates (2) used for mounting are arranged at two ends of the box body (1), a plurality of holes are formed in the side wall of the box body (1), and rubber tubes (15) are arranged in the holes.