CN216354017U

CN216354017U - Multi-stage circuit breaker

Info

Publication number: CN216354017U
Application number: CN202122818579.0U
Authority: CN
Inventors: 张哲豪
Original assignee: Chengdu Ampton Technology Co ltd
Current assignee: Chengdu Ampton Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-19
Anticipated expiration: 2031-11-17

Abstract

The utility model provides a multistage circuit breaker, which relates to the technical field of circuit breakers and comprises an electric box, a circuit breaker and a connecting assembly, wherein the circuit breaker is arranged in the electric box, a mounting plate is arranged in the electric box, the front surface of the electric box is rotatably connected with a box door through a rotating shaft, the bottom of the electric box is connected with a dehumidifying box, and the connecting assembly is arranged between the mounting plate and the circuit breaker and used for fixing the circuit breaker on one side of the mounting plate. This kind of multistage circuit breaker carries out the block through being provided with the fixture block and is connected with the spread groove for not only can fix the circuit breaker block inside the electronic box, and the dismantlement of the circuit breaker of being convenient for, and be provided with inside and fill the dehumidification box that has the silica gel granule and dehumidify the inside air of electronic box, thereby ensure that the circuit breaker is in work under the operational environment that humidity is suitable.

Description

Multi-stage circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a multi-stage circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and closing, carrying and opening/closing a current under an abnormal circuit condition within a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

When the existing low-voltage circuit breaker is used, most of the existing low-voltage circuit breaker needs to be installed in an electric box, and the circuit breaker is protected through the electric box, so that the normal work of the circuit breaker is guaranteed.

But current circuit breaker is when installing at the electronic box, and most of them are directly fixed in the electronic box through the bolt, and although this method can guarantee that the installation of circuit breaker is stable, when needing to change the circuit breaker, the circuit breaker dismantlement is comparatively troublesome, and current electronic box is when humid weather, and humid air enters into to the electronic box easily, and the circuit breaker that leads to in the electronic box can consequently wet, causes the circuit breaker trouble.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the background art, and provides a multistage circuit breaker which is provided with a clamping block and a connecting groove for clamping connection, so that the circuit breaker can be clamped and fixed in an electric box and is convenient to disassemble, and a dehumidifying box filled with silica gel particles is arranged for dehumidifying air in the electric box, so that the circuit breaker is ensured to work in a working environment with proper humidity.

In order to achieve the purpose, the utility model provides the following technical scheme that the multi-stage circuit breaker comprises an electric box, a circuit breaker and a connecting assembly;

the circuit breaker is arranged in the electric box, the mounting plate is arranged in the electric box, the front surface of the electric box is rotatably connected with a box door through a rotating shaft, and the bottom of the electric box is connected with a dehumidification box;

the mounting panel with be provided with coupling assembling between the circuit breaker, be used for with the circuit breaker is fixed one side of mounting panel.

Further, coupling assembling is including connecting block, spread groove and fixture block, mounting panel one side is provided with a plurality of connecting blocks, the connecting block top begins to have the spread groove, circuit breaker one side is provided with a plurality of fixture blocks, the fixture block is connected with the spread groove block.

Further, the inside baffle that is provided with of dehumidification incasement portion, the dehumidification incasement portion has been cut apart through the baffle and has been admitted air the chamber and dehumidify the chamber, the gas outlet has been seted up to electronic box bottom one side, the gas outlet switches on with the chamber that admits air mutually, the backward flow mouth has been seted up to electronic box bottom opposite side, the backward flow mouth switches on with the dehumidification chamber mutually, the blow vent has been seted up to baffle one side, the chamber that admits air switches on with the dehumidification chamber through the blow vent.

Further, the inside motor that is provided with of chamber admits air, motor one side drive is connected with the fan, the intracavity portion that admits air is provided with control switch, the intracavity portion that dehumidifies is provided with the dehumidification box, the inside packing of dehumidification box has silica gel granule, a plurality of ventilative mouths have all been seted up to dehumidification box top and bottom, control switch and motor electric connection, the inside humidity inductor that is provided with of electronic box, the signal output part and the signal receiving terminal signal connection of control switch of humidity inductor.

Further, the mounting panel both sides are connected with the slider, electronic box inner wall both sides all are provided with two stoppers, with two of one side the spacing groove has been seted up between the stopper, spacing groove and slider sliding connection.

Further, the inner wall of the electric box is provided with fixing blocks on two sides, the fixing blocks are provided with threaded holes in the front, the sliding blocks are provided with through holes in the front, bolts are arranged in the through holes, and one ends of the bolts are in threaded rotation connection with the threaded holes.

The utility model provides a multistage circuit breaker, which has the following beneficial effects:

1. this practical advantage lies in, carries out the block through being provided with the fixture block and being connected with the spread groove for not only can fix the circuit breaker block inside the electronic box, and the dismantlement of the circuit breaker of being convenient for, thereby strengthen the device's practicality.

2. Secondly, be provided with the dehumidification box that the inside packing has silica gel granule and dehumidify the inside air of dehumidification incasement to it is rotatory to be provided with motor drive fan, makes assurance electronic box and the inside air cycle of dehumidification incasement, thereby ensures that the circuit breaker is in work under the suitable operational environment of humidity.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an overall cross-sectional view of the present invention.

FIG. 3 is a side view of the mounting plate of the present invention.

In FIGS. 1-3: 1-an electric box; 101-a circuit breaker; 102-a mounting plate; 103-a box door; 104-a dehumidification box; 2, connecting blocks; 201-connecting groove; 202-fixture block; 3-a separator; 301-an air intake cavity; 302-a dehumidification chamber; 303-gas outlet; 304-a return port; 305-vent; 4-a motor; 401-a fan; 402-a control switch; 403-humidity sensor; 404-a moisture removal cartridge; 5-a slide block; 501-a limiting block; 502-a limit groove; 503-fixed block; 504-bolt.

Detailed Description

Example (b):

referring to figures 1-3 of the drawings,

the multi-stage circuit breaker provided by the embodiment comprises an electric box 1, a circuit breaker 101 and a connecting assembly;

a circuit breaker 101 is arranged in the electric box 1, a mounting plate 102 is arranged in the electric box 1, the front surface of the electric box 1 is rotatably connected with a box door 103 through a rotating shaft, and the bottom of the electric box 1 is connected with a dehumidification box 104;

a connection assembly is provided between the mounting plate 102 and the circuit breaker 101 for fixing the circuit breaker 101 at one side of the mounting plate 102.

Further, coupling assembling is including connecting block 2, connecting groove 201 and fixture block 202, and mounting panel 102 one side is provided with a plurality of connecting blocks 2, and connecting groove 201 begins to have at connecting block 2 top, and circuit breaker 101 one side is provided with a plurality of fixture blocks 202, and fixture block 202 is connected with connecting groove 201 block, when using the device, through with fixture block 202 block in connecting groove 201 for fix circuit breaker 101 in one side of mounting panel 102.

The fixture block 202 is made of a cast steel material, the cast steel material has good mechanical strength, and when the fixture block 202 is connected with the connecting groove 201 in a clamping manner, the fixture block 202 made of the cast steel material with good mechanical strength supports the circuit breaker 101;

further, the inside baffle 3 that is provided with of dehumidification case 104, dehumidification case 104 is inside to be cut apart through baffle 3 and has admit air chamber 301 and dehumidification chamber 302, gas outlet 303 has been seted up to 1 bottom one side of electronic box, gas outlet 303 switches on with the chamber 301 that admits air mutually, return opening 304 has been seted up to 1 bottom opposite side of electronic box, return opening 304 switches on with dehumidification chamber 302 mutually, blow vent 305 has been seted up to 3 one side of baffle, admit air chamber 301 and switch on with dehumidification chamber 302 through blow vent 305 mutually, when using the device, through gas outlet 303, return opening 304 and blow vent 305 guarantee to admit air chamber 301 and dehumidification chamber 302 and electronic box 1 are inside to switch on each other.

Further, a motor 4 is arranged in the air inlet cavity 301, one side of the motor 4 is connected with a fan 401 in a driving manner, a control switch 402 is arranged in the air inlet cavity 301, a dehumidifying box 404 is arranged in the dehumidifying cavity 302, silica gel particles are filled in the dehumidifying box 404, a plurality of air vents are formed in the top and the bottom of the dehumidifying box 404, the control switch 402 is electrically connected with the motor, a humidity sensor 403 is arranged in the electric box 1, the signal output end of the humidity sensor 403 is in signal connection with the signal receiving end of the control switch 402, when the apparatus is used, the fan 401 is driven to rotate by the motor 4, air in the air intake chamber 301 is blown into the dehumidifying chamber 302 by the rotating fan, then dehumidify the air in dehumidifying chamber 302 through the silica gel granule that dehumidification box 404 intussuseption is filled with, and the silica gel granule has good dehumidification effect, can adsorb the moisture in the air.

Further, mounting panel 102 both sides are connected with

slider

5, and 1 inner wall both sides of electronic box all are provided with two stoppers 501, have seted up spacing groove 502 between two stoppers 501 with one side, and spacing groove 502 and slider 5 sliding connection when using the device put into mounting panel 102 to in the electronic box 1, and slide into spacing groove 502 with stoppers 501, make and tentatively fix mounting panel 102.

Further, 1 inner wall both sides of electronic box all are provided with fixed block 503, the threaded hole is openly seted up to fixed block 503, the through-hole has openly been seted up to slider 5, the inside bolt 504 that is provided with of through-hole, bolt 504 one end is connected with the threaded hole screw thread rotation, when using the device, align through-hole and threaded hole, put into bolt 504 from the through-hole again, and rotatory bolt 504, make bolt 504 and threaded hole screw thread rotation be connected, until the stopper 501 the back closely laminate with fixed block 503 can, thereby fix mounting panel 102 inside electronic box 1.

When the utility model is used, firstly, the mounting plate 102 is put into the electric box 1, the limit block 501 is slid into the limit groove 502, so that the mounting plate 102 is preliminarily fixed, then the through hole is aligned with the threaded hole, then the bolt 504 is put in from the through hole, and the bolt 504 is rotated, so that the bolt 504 is in threaded connection with the threaded hole until the back surface of the limit block 501 is tightly attached to the fixed block 503, so that the mounting plate 102 is fixed in the electric box 1, then the circuit breaker 101 is put into the electric box 1, the fixture block 202 is put in the connection groove 201, the circuit breaker 101 is clamped and fixed on one side of the mounting plate 102 through the clamping connection of the fixture block 202 and the connection groove 201, then the box door 103 is closed through the hinge, when the circuit breaker 101 is used, the humidity in the electric box 1 is monitored through the humidity sensor 403, when the humidity is too high, the humidity sensor 403 can output a signal to the control switch 402, then, the motor 4 is started by the control switch 402 to drive the fan 401 to rotate, so that the air in the air inlet cavity 301 is blown into the dehumidifying cavity 302 from the air vent 305, the air is continuously blown into the dehumidifying cavity 302, the air in the dehumidifying cavity 302 enters into the dehumidifying box 404 from the air vent at the bottom of the dehumidifying box 404, the silica gel particles absorb the moisture in the air entering into the dehumidifying box 404, so as to dehumidify the air, the dehumidified air is discharged from the air vent at the top of the dehumidifying box 404 and is discharged into the electric box 1 from the return port 304, so that the air in the electric box 1 is dehumidified by circulation, so as to ensure that the circuit breaker 101 works in a working environment with proper humidity, the device is in clamping connection with the connecting groove 201 through the clamping block 202, so that the circuit breaker 101 can be clamped and fixed in the electric box, and the disassembly of the circuit breaker 101 is facilitated, and a dehumidifying box 404 filled with silica gel particles inside is provided to dehumidify the air inside the electrical box 1, thereby ensuring that the circuit breaker 101 works in a working environment with appropriate humidity.

Claims

1. A multi-stage circuit breaker is characterized by comprising an electric box, a circuit breaker and a connecting assembly;

2. The multi-stage circuit breaker as claimed in claim 1, wherein the connecting assembly comprises a connecting block, a connecting groove and a clamping block, a plurality of connecting blocks are arranged on one side of the mounting plate, the connecting groove is arranged on the top of the connecting block, a plurality of clamping blocks are arranged on one side of the circuit breaker, and the clamping block is connected with the connecting groove in a clamping manner.

3. The multistage circuit breaker according to claim 1, wherein a partition is disposed inside the dehumidifying box, the dehumidifying box is divided into an air inlet chamber and a dehumidifying chamber by the partition, an air outlet is disposed on one side of the bottom of the electric box, the air outlet is communicated with the air inlet chamber, a backflow port is disposed on the other side of the bottom of the electric box, the backflow port is communicated with the dehumidifying chamber, a vent opening is disposed on one side of the partition, and the air inlet chamber is communicated with the dehumidifying chamber through the vent opening.

4. The multi-stage circuit breaker according to claim 3, wherein a motor is arranged inside the air inlet cavity, a fan is connected to one side of the motor in a driving manner, a control switch is arranged inside the air inlet cavity, a dehumidification box is arranged inside the dehumidification cavity, silica gel particles are filled inside the dehumidification box, a plurality of ventilation openings are formed in the top and the bottom of the dehumidification box, the control switch is electrically connected with the motor, a humidity sensor is arranged inside the electric box, and a signal output end of the humidity sensor is in signal connection with a signal receiving end of the control switch.

5. The multi-stage circuit breaker according to claim 1, wherein the two sides of the mounting plate are connected with sliders, two limiting blocks are arranged on two sides of the inner wall of the electric box, a limiting groove is formed between the two limiting blocks on the same side, and the limiting groove is slidably connected with the sliders.

6. The multi-stage circuit breaker as claimed in claim 5, wherein the electrical box has fixing blocks disposed on both sides of the inner wall thereof, the fixing blocks have screw holes disposed on the front surfaces thereof, the sliding blocks have through holes disposed on the front surfaces thereof, and bolts are disposed inside the through holes, one ends of the bolts are rotatably connected to the screw holes.