CN219512983U - Low-voltage circuit breaker protection device - Google Patents

Abstract

The utility model discloses a low-voltage circuit breaker protection device, which comprises an electricity utilization box, wherein one side of the top of the electricity utilization box is movably connected with a box cover through a rotating shaft, one side of the top of the box cover is provided with an exhaust port, the inside of the electricity utilization box also comprises an air inlet bin, one side of the bottom of the air inlet bin is provided with an air guide port, the air inlet bin is communicated with the inside of the electricity utilization box through the air guide port, and the top of the air inlet bin is provided with a fixed shell. According to the utility model, the air inlet fan is arranged in the air inlet on the fixed shell, the air inlet fan discharges external air into the air inlet bin, the air in the air inlet bin passes through the silica gel dehumidifier filled in the dehumidification frame and then is discharged into the electricity utilization box through the air guide port, the external air can absorb moisture in the air through the silica gel dehumidifier, so that the air entering the electricity utilization box is dried, meanwhile, the air in the electricity utilization box is circulated, the heat dissipation of the breaker main body in the electricity utilization box can be realized, and meanwhile, the dryness in the electricity utilization box is kept.

Description

Low-voltage circuit breaker protection device

Technical Field

The utility model relates to the technical field of electrical equipment protection equipment, in particular to a low-voltage circuit breaker protection device.

Background

The low-voltage circuit breaker is a switching device which can not only switch on and switch off normal load current and overload current, but also switch on and switch off short-circuit current. The low-voltage circuit breaker has certain protection functions such as overload, short circuit, undervoltage, leakage protection and the like besides a control function in a circuit. The low-voltage circuit breaker is classified into a selective type and a non-selective type according to the type of use, and an air type and a vacuum type according to the type of arc extinguishing medium.

The circuit breaker plays the effect of protection electricity safety in the family, and in south district, in spring and summer season, not only the room temperature is high, and the air is moist, and the relay is easy to wet, leads to the circuit breaker trouble, and produces the heat in the circuit breaker working process, needs the heat dissipation, and we need a circuit breaker protection device that can dampproofing heat dissipation for this reason.

Disclosure of Invention

The utility model aims to provide a low-voltage circuit breaker protection device which solves the defects in the technology.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a low-voltage circuit breaker protection device, includes the electricity box, there is the lid top one side of electricity box through pivot swing joint, open on one side of the top of lid has the gas vent, the inside of electricity box is still including the storehouse of admitting air, open on one side of the bottom of storehouse of admitting air has the air guide mouth, the storehouse of admitting air communicates with the inside of electricity box through the air guide mouth, the top of storehouse of admitting air is equipped with the fixed shell, open on one side of the top of fixed shell has two air intakes, the air inlet is installed to the inner wall of air intake, the both sides inner wall of storehouse of admitting air is fixed to be equipped with the lapping plate, the dehumidification frame is installed through the lapping plate to the inner wall of admitting air, the bottom inner wall of dehumidification frame is fixed to be equipped with netted bottom plate, the inner wall of dehumidification frame is filled with silica gel desiccant through netted bottom plate.

Preferably, the air guide opening is positioned at the bottom of the lapping plate.

Preferably, the outer wall of the top of the box cover is fixedly provided with a buckle plate, so that the box cover arranged at the top of the power utilization box can be conveniently opened through the buckle plate.

Preferably, the bottom inner wall of the electricity utilization box is fixedly provided with two mounting plates, and the inside of the electricity utilization box comprises breaker main bodies distributed at equal intervals.

Preferably, the first mounting holes distributed at equal distance are formed in the outer walls of the tops of the mounting plates, positioning blocks are fixedly arranged at two ends of the bottom of the circuit breaker main body, second mounting holes are formed in the outer walls of the positioning blocks, the second mounting holes are matched with the inner walls of the first mounting holes, bolts matched with the inner walls of the second mounting holes penetrate through the inner walls of the second mounting holes and the inner walls of the first mounting holes, and the circuit breaker main body is conveniently mounted on the two mounting plates.

Preferably, the outer walls of the two sides of the electricity utilization box are fixedly provided with positioning strips.

Preferably, the first stationary blade that is equipped with equidistant distribution is fixed to top one side of power consumption box, the bottom both sides of fixed shell are fixed respectively and are equipped with two second stationary blades, the second stationary blade is located directly over the first stationary blade, first fixed orifices has been opened to the outer wall of first stationary blade, the second fixed orifices has been opened to the outer wall of second stationary blade, the inner wall of first fixed orifices and second fixed orifices is furnished with the bolt of looks adaptation, uses the bolt to pass the inner wall of first fixed orifices and second fixed orifices, and then is fixed in the top in the storehouse of admitting air with the fixed shell.

In the technical scheme, the utility model has the technical effects and advantages that:

through installing the air inlet fan in the air intake on the fixed shell, the air inlet fan is in with outside air is discharged into the storehouse of admitting air, the gas in the storehouse of admitting air is through the silica gel desiccant that the frame intussuseption was filled with, in the electricity box is gone into to the rethread air guide mouth, outside gas can absorb the moisture in the air through silica gel desiccant, make the air drying in the electricity box that gets into, the gas circulation in the electricity box simultaneously can dispel the heat to the circuit breaker main part in the electricity box, keep drying in the electricity box simultaneously, the circuit breaker main part that is equipped with in the electricity box is avoided, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the expanded structure of the present utility model;

FIG. 3 is a schematic view of the structure of the power box of the utility model;

fig. 4 is a schematic diagram of a main structure of a circuit breaker according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a dehumidifying frame according to the present utility model;

fig. 6 is a schematic view of the structure of the fixing case of the present utility model.

Reference numerals illustrate:

1 an electricity box, 2 positioning strips, 3 box covers, 4 buckle plates, 5 exhaust ports, 6 mounting plates, 7 first mounting holes, 8 breaker main bodies, 9 positioning blocks, 10 second mounting holes, 11 air inlet bins, 12 air guide ports, 13 lapping plates, 14 dehumidifying frames, 15 net bottom plates, 16 silica gel dehumidifiers, 17 fixing shells, 18 air inlets, 19 air inlet fans, 20 first fixing plates, 21 first fixing holes, 22 second fixing plates and 23 second fixing holes.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Example 1

Referring to the accompanying drawings of the specification 1-6, a low-voltage circuit breaker protection device comprises an electricity utilization box 1, wherein one side of the top of the electricity utilization box 1 is movably connected with a box cover 3 through a rotating shaft, one side of the top of the box cover 3 is provided with an exhaust port 5, the inside of the electricity utilization box 1 further comprises an air inlet bin 11, one side of the bottom of the air inlet bin 11 is provided with an air guide port 12, the air inlet bin 11 is communicated with the inside of the electricity utilization box 1 through the air guide port 12, the top of the air inlet bin 11 is provided with a fixing shell 17, one side of the top of the fixing shell 17 is provided with two air inlets 18, the inner wall of the air inlet 18 is provided with an air inlet fan 19, the inner walls of the two sides of the air inlet bin 11 are fixedly provided with a lapping plate 13, the inner wall of the air inlet bin 11 is provided with a dehumidifying frame 14 through the lapping plate 13, the inner wall of the bottom of the dehumidifying frame 14 is fixedly provided with a net-shaped bottom plate 15, and the inner wall of the dehumidifying frame 14 is filled with a silica gel dehumidifying agent 16 through the net-shaped bottom plate 15.

Example two

Based on the first embodiment, the air guide port 12 is located at the bottom of the lapping plate 13, the buckling plate 4 is fixedly arranged on the outer wall of the top of the box cover 3, the box cover 3 arranged at the top of the electricity utilization box 1 is conveniently opened through the buckling plate 4, and the positioning strips 2 are fixedly arranged on the outer walls of the two sides of the electricity utilization box 1.

Example III

Based on the first embodiment, the bottom inner wall of the electricity consumption box 1 is fixedly provided with two mounting plates 6, the inside of the electricity consumption box 1 comprises a breaker main body 8 which is distributed at equal intervals, the top outer walls of the two mounting plates 6 are provided with first mounting holes 7 which are distributed at equal intervals, the two ends of the bottom of the breaker main body 8 are fixedly provided with positioning blocks 9, the outer walls of the positioning blocks 9 are provided with second mounting holes 10, the second mounting holes 10 are matched with the inner walls of the first mounting holes 7, bolts which pass through the second mounting holes 10 and the inner walls of the first mounting holes 7 are matched with each other, the breaker main body 8 is conveniently mounted on the two mounting plates 6, one side of the top of the electricity consumption box 1 is fixedly provided with first fixing plates 20 which are distributed at equal intervals, two second fixing plates 22 are respectively fixed on two sides of the bottom of the fixing shell 17, the second fixing plates 22 are positioned right above the first fixing plates 20, the outer walls of the first fixing plates 20 are provided with first fixing holes 21, the outer walls of the second fixing plates 22 are provided with second fixing holes 23, the inner walls of the first fixing holes 21 and the inner walls of the second fixing holes 23 are matched with bolts, and the inner walls of the first fixing holes 21 and the second fixing holes 23 are matched with the inner walls of the first fixing holes, and the bolts which pass through the first fixing holes 21 and the inner walls of the second fixing holes 23 are matched with the inner walls of the first fixing holes and are matched with the inner walls of the second fixing holes, and are arranged.

The working principle of the utility model is as follows:

referring to the description of fig. 1-6, when the electric box 1 is used, firstly, the electric box 1 is installed at a designated position, positioning blocks 9 arranged at two ends of a breaker main body 8 are screwed into a first installation hole 7 through the inner wall of a second installation hole 10 by using bolts, the breaker main body 8 is installed in the electric box 1, then the breaker main body 8 is connected with external electric appliances by using wires, after the installation is finished, a box cover 3 is closed, then a fixing shell 17 is installed at the top of an air inlet bin 11, the bolts penetrate through the second fixing hole 23 and the inner wall of the first fixing hole 21, the fixing shell 17 is fixed at the top of the air inlet bin 11, at the moment, external air is discharged into the air inlet bin 11 through the air inlet fan 19 installed in the air inlet 18 on the fixing shell 17, the air is discharged into the electric box 1 through a silica gel dehumidifier 16 filled in a dehumidifying frame 14, moisture in the air can be absorbed by the silica gel through a silica gel dehumidifying agent 16, the air inlet 3 enters the electric box 1, and simultaneously, the electric box 1 is kept from being used in the electric box 1 through the air inlet and the air box, and the air box 1 is well dried, and simultaneously, the effect of the electric box 1 is prevented from being exhausted through the air box 1 is well.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. The utility model provides a low voltage circuit breaker protection device, includes electricity box (1), its characterized in that: the utility model discloses a solar cell module, including box cover (3) and electric box (1), top one side of using electric box (1) has lid (3) through pivot swing joint, top one side of lid (3) is opened there is gas vent (5), the inside of using electric box (1) still is including breathing in storehouse (11), it has air guide mouth (12) to breathe in bottom one side of storehouse (11), the inside intercommunication with electric box (1) is passed through air guide mouth (12) in storehouse (11), the top of breathing in storehouse (11) is equipped with fixed shell (17), two air intakes (18) are opened on top one side of fixed shell (17), intake fan (19) are installed to the inner wall of air intake (18), the both sides inner wall of storehouse (11) is fixed and is equipped with overlap plate (13), the inner wall of storehouse (11) is installed dehumidification frame (14) through overlap plate (13), the bottom inner wall of dehumidification frame (14) is fixed to be equipped with netted bottom plate (15), the inner wall of dehumidification frame (14) is filled with silica gel desiccant (16) through netted bottom plate (15).

2. The low voltage circuit breaker protection device of claim 1, wherein: the air guide opening (12) is positioned at the bottom of the lapping plate (13).

3. The low voltage circuit breaker protection device of claim 1, wherein: the top outer wall of the box cover (3) is fixedly provided with a buckle plate (4).

4. The low voltage circuit breaker protection device of claim 1, wherein: the electric box (1) is characterized in that two mounting plates (6) are fixedly arranged on the inner wall of the bottom of the electric box (1), and circuit breaker main bodies (8) distributed at equal distances are arranged in the electric box (1).

5. The low voltage circuit breaker protection device of claim 4, wherein: the two top outer walls of mounting panel (6) are opened there is first mounting hole (7) that the equidistance distributes, fixed locating piece (9) that are equipped with in the bottom both ends of circuit breaker main part (8), the outer wall of locating piece (9) is opened there is second mounting hole (10), the inner wall of second mounting hole (10) and first mounting hole (7) is furnished with the bolt of looks adaptation.

6. The low voltage circuit breaker protection device of claim 1, wherein: the outer walls of the two sides of the electricity utilization box (1) are fixedly provided with positioning strips (2).

7. The low voltage circuit breaker protection device of claim 1, wherein: the utility model discloses a power consumption box, including fixed top one side of power consumption box (1), fixed first stationary blade (20) that are equipped with equidistant distribution, the bottom both sides of fixed shell (17) are fixed respectively and are equipped with two second stationary blades (22), second stationary blade (22) are located directly over first stationary blade (20), first fixed orifices (21) are opened to the outer wall of first stationary blade (20), second fixed orifices (23) are opened to the outer wall of second stationary blade (22), the inner wall of first fixed orifices (21) and second fixed orifices (23) is furnished with the bolt of looks adaptation.