CN220021963U - Block terminal with intelligent fire prevention device - Google Patents

Abstract

The utility model provides a distribution box with an intelligent fireproof device. The intelligent fire-proof device comprises a controller, a smoke detector and a fire-proof device arranged corresponding to each shutter, wherein each fire-proof device comprises a fire-extinguishing component, a control component and a movable cavity, a spray head of the fire-extinguishing component is communicated with the distribution box body, the control component is connected with the movable cavity to control the movable cavity, the smoke detector sends a signal to the controller when detecting smoke generated in the distribution box body, the controller respectively starts the fire-extinguishing component and the control component when receiving the signal sent by the smoke detector, the fire-extinguishing component sprays fire-extinguishing gas to the distribution box body through the spray head when starting, and the control component controls the movable cavity to move to seal the shutter when starting. The distribution box improves the fire extinguishing efficiency and reduces the potential safety hazard.

Description

Block terminal with intelligent fire prevention device

Technical Field

The utility model relates to the technical field of distribution boxes, in particular to a distribution box with an intelligent fireproof device.

Background

With the progress and development of technology, electric energy is becoming an important energy source in daily life, and electric power equipment is also becoming an important equipment in production and life, wherein the importance of the distribution box is particularly obvious. The distribution box can reasonably distribute electric energy, facilitates the opening and closing operation of the circuit, has higher safety protection level, can intuitively display the conduction state of the circuit, and is convenient for electric power staff to manage. Inside the distribution box, the long-time operation of the electrical components may cause the electrical components to generate heat, some electrical components are aged due to the long-time operation, and other electrical components may cause short circuits under the influence of foreign objects, which may cause fire. In the normal case, fire extinguisher is generally used to extinguish fire, and because the common distribution box is not provided with a device capable of automatically extinguishing fire, personnel can have threat of electric shock.

CN 216929228U discloses a fireproof distribution box with a fireproof device, the distribution box comprises a distribution box structure, a lifting structure and a fire extinguishing structure; wherein, block terminal structure includes box and mounting bracket, and the inside upper end of box is fixed with the baffle, and the inside at the box is fixed to the mounting bracket, and elevation structure installs on the box, and fire extinguishing structure includes fire extinguishing tank and smoke transducer, and the top surface at the baffle is installed to the fire extinguishing tank, and the output intercommunication of fire extinguishing tank has the connecting pipe, installs the solenoid valve on the connecting pipe, and the hose passes through pipe connector and connecting pipe intercommunication, and the spray tube is installed on elevation structure, and the shower nozzle is installed to one side of spray tube, and smoke transducer installs the bottom at the baffle. The fire-proof distribution box can extinguish fire to the internal electric elements, but does not consider that if the fire position is close to the fire-extinguishing structure, the fire-extinguishing structure is influenced by flame or burnt to cause unable normal work, so that fire in the distribution box cannot be extinguished in the first time, and great potential safety hazard exists. In addition, the distribution box that uses at present often sets up the tripe mouth in order to ventilate the heat dissipation to its inside, in case take place the condition of a fire, the tripe mouth will become the adverse factor that promotes the condition of a fire for fire extinguishing efficiency greatly reduced.

In view of this, the present utility model has been made.

Disclosure of Invention

The utility model aims to provide a distribution box with an intelligent fireproof device, which improves the fire extinguishing efficiency and reduces the potential safety hazard.

The utility model provides a distribution box with an intelligent fireproof device, which comprises a distribution box body and the intelligent fireproof device, wherein at least one shutter opening is formed in the distribution box body, the intelligent fireproof device comprises a controller, a smoke detector and the fireproof device which is arranged corresponding to each shutter opening, each fireproof device comprises a fire extinguishing component, a control component and a moving cavity, a spray head of the fire extinguishing component is communicated with the distribution box body, the control component is connected with the moving cavity to control the fire extinguishing component, the smoke detector sends a signal to the controller when detecting smoke generated in the distribution box body, the controller respectively starts the fire extinguishing component and the control component when receiving the signal sent by the smoke detector, the fire extinguishing component sprays fire extinguishing gas to the distribution box body through the spray head when starting, and the control component controls the moving cavity to be moved to the shutter opening when starting.

Further, the control assembly comprises a fixed plate, a movable plate and a power mechanism, wherein the fixed plate is fixed at the top end of the distribution box body, the movable plate is movably arranged above the fixed plate, at least one connecting rod is arranged at the bottom end of the movable plate, each connecting rod penetrates through the fixed plate and is fixedly connected with the movable cavity, and the power mechanism is connected with the movable plate to drive the movable plate to move up and down.

Further, the power mechanism comprises an electromagnetic plate, the electromagnetic plate is electrically connected with the controller, and the movable plate is a magnet plate; when the control assembly is started, repulsive magnetic force is generated between the electromagnetic plate and the magnet plate, and the movable cavity is driven to move downwards to seal the shutter opening through the connecting rod.

Further, the power mechanism also comprises at least one group of telescopic components arranged between the magnet plate and the fixed plate, each group of telescopic components comprises a multistage telescopic rod and a spring, one ends of the multistage telescopic rod and the spring are respectively fixed on the fixed plate and the magnet plate, and the other ends of the multistage telescopic rod and the spring are fixedly connected; when the moving cavity moves downwards to seal the shutter opening, the spring compresses downwards and generates elastic restoring force for upward movement.

Further, a supporting plate is arranged below each shutter opening, a clamping groove is formed in the supporting plate, the movable cavity is clamped in the clamping groove when the shutter opening is plugged, and a plurality of through grooves which are arranged at intervals and communicated with the clamping groove are uniformly formed in the bottom end of the clamping groove.

Further, the fire extinguishing assembly comprises a fire extinguishing tank filled with fire extinguishing gas, at least one rubber corrugated pipe is arranged on one side of the fire extinguishing tank, a spray head is arranged on each rubber corrugated pipe, an electromagnetic valve is arranged on each spray head, and the electromagnetic valve is electrically connected with the controller.

Further, a mounting box is arranged at the top end of the distribution box body, the bottom end of the mounting box is provided with an opening, and the fire extinguishing assembly and the control assembly are arranged in the mounting box and are mutually isolated through a partition plate.

Further, the bottom end of the moving cavity is opened, and the spray head of the fire extinguishing assembly penetrates through the moving cavity and is fixed at the top end of the inner part of the moving cavity.

Further, two shutter openings are oppositely formed in two sides of the distribution box body, and the intelligent fireproof device comprises two fireproof devices which are arranged corresponding to the two shutter openings.

Further, the cabinet door is hinged to the distribution box body, supporting legs are symmetrically arranged at the bottom of the distribution box body, the controller is arranged at the top end of the distribution box body, and the smoke detector is arranged at the top end inside the distribution box body and is electrically connected with the controller.

The implementation of the utility model has at least the following advantages:

1. according to the distribution box, the controller, the control assembly and the smoke detector are arranged, so that when a fire occurs in the distribution box body, the shutter opening of the distribution box body can be plugged at the first time, the air in the distribution box body cannot be effectively circulated, the fire cannot be promoted, rapid fire extinguishment can be completed under the cooperation of the fire extinguishing assembly, and the fire extinguishing efficiency is improved;

2. according to the distribution box, the placing box is arranged, the control assembly is isolated from the fire extinguishing assembly by the partition plate, meanwhile, the fire extinguishing assembly is effectively isolated from the inner space of the distribution box body, the adverse conditions that the fire extinguishing assembly cannot work normally due to flame influence or burning are avoided, and potential safety hazards are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of an external structure of an electrical box provided with an intelligent fire protection device according to an embodiment;

fig. 2 is a schematic view of an internal structure of an electrical box provided with an intelligent fire protection device according to an embodiment;

FIG. 3 is a schematic diagram of an exploded view of a control assembly according to one embodiment;

FIG. 4 is a schematic view of a fire suppression assembly according to one embodiment;

FIG. 5 is an enlarged view at A of FIG. 2;

fig. 6 is an enlarged view at B of fig. 2.

Reference numerals illustrate:

1: a distribution box body; 2: a shutter opening; 3: a cabinet door; 4: a through groove; 5: placing a box; 6. a controller; 7: a partition plate; 8: a through hole; 9: a control assembly; 91: an electromagnetic plate; 92: a fixing plate; 93: a magnet plate; 94: a connecting rod; 95: a through hole; 96: a multi-stage telescopic rod; 97: a spring; 98: a moving chamber; 99: a through hole; 10: a fire suppression assembly; 101: a fire extinguishing tank; 102: a rubber bellows; 103: a spray head; 104: an electromagnetic valve; 11: a smoke detector; 12: support legs; 13: a bearing plate; 14: a clamping groove; 15: and (5) through grooves.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms also include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 6, the power distribution box with the intelligent fire protection device of the present embodiment includes a power distribution box body 1 and the intelligent fire protection device, at least one louver 2 is provided on the power distribution box body 1, the intelligent fire protection device includes a controller 6, a smoke detector 11 and a fire protection device corresponding to each louver 2, each fire protection device includes a fire extinguishing component 10, a control component 9 and a moving cavity 98, a spray head 103 of the fire extinguishing component 10 is communicated with the power distribution box body 1, the control component 9 is connected with the moving cavity 98 to control the same, the smoke detector 11 sends a signal to the controller 6 when detecting smoke generated inside the power distribution box body 1, the controller 6 respectively starts the fire extinguishing component 10 and the control component 9 when receiving the signal sent by the smoke detector 11, the fire extinguishing component 10 sprays fire extinguishing gas to the power distribution box body 1 through the spray head 103 when starting, and the control component 9 controls the moving cavity 98 to move to the sealing louver 2 when starting.

The distribution box body 1 can adopt a distribution box structure conventional in the art, and the arrangement number of the shutter ports 2 and the arrangement positions on the distribution box body 1 are not strictly limited; it will be appreciated that the number of fire protection devices provided corresponds to the number of louvres 2, i.e. one corresponding fire protection device is provided for each louvre 2.

The control assembly 9 is mainly used for controlling each moving cavity 98 to move to the corresponding position of the shutter opening 2 when the inside of the distribution box body 1 catches fire to generate smoke so as to form a plug for the shutter opening 2, and further, the air in the distribution box body 1 cannot be effectively circulated, so that the fire cannot be promoted.

The specific structure of the control unit 9 is not strictly limited as long as the above-described control function can be achieved. As shown in fig. 2 and 3, in the present embodiment, the control assembly 9 includes a fixed plate 92, a movable plate and a power mechanism, the fixed plate 92 is fixed on the top end of the distribution box body 1, the movable plate is movably disposed above the fixed plate 92, at least one connecting rod 94 is disposed at the bottom end of the movable plate, each connecting rod 94 is disposed through the fixed plate 92 and fixedly connected with the movable cavity 98, and the power mechanism is connected with the movable plate to drive the movable plate to move up and down.

The control assembly 9 drives the movable plate to move up and down through the power mechanism, and then drives the movable cavity 98 to move up and down through the connecting rod 94. It will be appreciated that the moving cavity 98 may be located above the shutter opening 2 (as shown in fig. 2) in the initial state, so that the shutter opening 2 is not blocked to ensure the normal heat dissipation of the distribution box; when the inside of the distribution box body 1 catches fire and generates smoke, the smoke detector 11 sends a signal to the controller 6, the controller 6 respectively starts the control component 9 and the fire extinguishing component 10 when receiving the signal, when the control component 9 is started, the power mechanism drives the movable plate to move downwards and drives the movable cavity 98 to move downwards to the position of the shutter opening 2 through the connecting rod 94 so as to form a plug for the shutter opening 2, and meanwhile, the fire extinguishing component 10 sprays fire extinguishing gas to the distribution box body 1 through the spray head 103 when being started. After the fire extinguishing is finished, smoke is not generated in the distribution box body 1, at the moment, the smoke detector 11 does not send signals to the controller 6 any more, the control assembly 9 and the fire extinguishing assembly 10 are in a closed state, and when the control assembly 9 is closed, the power mechanism drives the movable plate to move upwards and drives the movable cavity 98 to move upwards through the connecting rod 94 until the shutter opening 2 is not blocked, so that normal heat dissipation of the distribution box is guaranteed.

The structure of the power mechanism is not strictly limited, so long as the movable cavity 98 can be driven to move up and down to meet the above-mentioned plugging or non-plugging function of the shutter opening 2. In this embodiment, the power mechanism includes an electromagnetic plate 91, the electromagnetic plate 91 is electrically connected with the controller 6, and the movable plate is a magnet plate 93; when the control assembly 9 is started, repulsive magnetic force is generated between the electromagnetic plate 91 and the magnet plate 93, and the moving cavity 98 is driven to move downwards to close the shutter opening 2 through the connecting rod 94.

Further, the power mechanism further comprises at least one group of telescopic components arranged between the magnet plate 93 and the fixed plate 92, each group of telescopic components comprises a multi-stage telescopic rod 96 and a spring 97, one ends of the multi-stage telescopic rod 96 and the spring 97 are respectively fixed on the fixed plate 92 and the magnet plate 93, and the other ends of the multi-stage telescopic rod 96 and the spring 97 are fixedly connected; when the moving cavity 98 moves downwards to close the shutter opening 2, the spring 97 compresses downwards and generates an elastic restoring force for upward movement, and when the control assembly 9 is closed, the moving cavity 98 can be driven to move upwards by the elastic restoring force of the spring 97 so as to be separated from the shutter opening 2.

In addition, a supporting plate 13 is arranged below each shutter opening 2, a clamping groove 14 is formed in the supporting plate 13, the movable cavity 98 is clamped in the clamping groove 14 when the shutter opening 2 is plugged, and a plurality of through grooves 15 which are arranged at intervals and communicated with the clamping groove 14 are uniformly formed in the bottom end of the clamping groove 14.

In this embodiment, the fire extinguishing assembly 10 includes a fire extinguishing tank 100 containing fire extinguishing gas, at least one rubber bellows 102 is provided on one side of the fire extinguishing tank 100, a nozzle 103 is provided on each rubber bellows 102, a solenoid valve 104 is provided on each nozzle 103, and the solenoid valve 104 is electrically connected to the controller 6.

Further, a mounting box is provided at the top end of the distribution box body 1, the bottom end of the mounting box is opened, and the fire extinguishing assembly 10 and the control assembly 9 are arranged in the mounting box and are isolated from each other by a partition 7. In addition, the bottom end of the moving chamber 98 is open, and the spray head 103 of the fire extinguishing assembly 10 passes through the moving chamber 98 and is fixed to the inner top end of the moving chamber 98.

It will be appreciated that the cabinet door 3 is hinged on the distribution box body 1, the supporting legs 12 are symmetrically arranged at the bottom of the distribution box body 1, the controller 6 is arranged at the top end of the distribution box body 1, and the smoke detector 11 is arranged at the top end inside the distribution box body 1 and is electrically connected with the controller 6.

The distribution box of the embodiment is provided with the controller 6, the control component 9 and the smoke detector 11, so that when a fire occurs in the distribution box body 1, the shutter opening 2 of the distribution box body 1 can be plugged at the first time, the internal air of the distribution box body 1 cannot be effectively circulated, the fire cannot be promoted, quick fire extinguishing can be completed under the cooperation of the fire extinguishing component 10, and the fire extinguishing efficiency is improved; in addition, the block terminal of this embodiment is placed case 5 through setting up to utilize baffle 7 to keep apart control assembly 9 and fire extinguishing subassembly 10, make fire extinguishing subassembly 10 and block terminal body 1 inner space effectively keep apart simultaneously, avoided fire extinguishing subassembly 10 to be influenced by the flame or burn the unable normal work etc. adverse condition that leads to appear, reduced the potential safety hazard.

Example 2

This example was carried out on the basis of example 1.

Referring to fig. 1 to 6, the power distribution box with the intelligent fireproof device of the embodiment comprises a power distribution box body 1, wherein the two sides of the power distribution box body 1 are provided with shutter openings 2, the shutter openings 2 on the two sides are used for ventilation and heat dissipation under a normal operation state, four corners at the bottom end outside the power distribution box body 1 are fixedly connected with supporting legs 12, a cabinet door 3 is hinged on the power distribution box body 1, two through grooves 4 are symmetrically arranged at the top end of the power distribution box body 1, two placing boxes 5 are symmetrically and fixedly connected at the top end of the power distribution box body 1, each placing box 5 is of a box-shaped structure with an opening at the bottom end, a controller 6 is arranged between the two placing boxes 5, the controller 6 is fixedly connected at the top end of the power distribution box body 1, a partition 7 is fixedly connected inside each placing box 5, three through holes 8 are uniformly arranged at the lower end of the partition 7, a control component 9 is arranged between one side of the partition 7 and the inner wall of the placing box 5, the control component 9 comprises an electromagnetic plate 91 and a fixed plate 92, wherein the electromagnetic plate 91 is fixedly connected to the top end inside the placement box 5, the electromagnetic plate 91 is electrically connected with the controller 6, the fixed plate 92 is fixedly connected to the opening of the placement box 5, a magnet plate 93 is arranged below the electromagnetic plate 91, the magnet plate 93 and the electromagnetic plate 91 have the same size and can slide up and down between the placement box 5 and the partition plate 7, two connecting rods 94 are symmetrically and fixedly connected to the bottom end of the magnet plate 93, two through holes 95 are symmetrically arranged on the fixed plate 92, the two connecting rods 94 are matched with the two through holes 95 and correspond to each other in position, three groups of multi-stage telescopic rods 96 and three groups of springs 97 are fixedly connected between the fixed plate 92 and the magnet plate 93, the three groups of springs 97 are respectively sleeved on the three groups of multi-stage telescopic rods 96, the two connecting rods 94 penetrate through the two through holes 95 to be fixedly connected with a moving cavity 98, the moving cavity 98 is of a box-shaped structure with an opening at the bottom end, and three through holes 99 are uniformly formed at the top end of the moving cavity 98 in match with the through groove 4. It will be appreciated that the magnetic plate 91, when energized, generates a repulsive magnetic force with the magnet plate 93 that is greater than the sum of the spring forces generated by the maximum compression of the three sets of springs 97. The fire extinguishing assembly 10 is arranged between the other side of the partition plate 7 and the inner wall of the placement box 5, the fire extinguishing assembly 10 comprises a fire extinguishing tank 100, the fire extinguishing tank 100 is fixedly connected to the top end of the distribution box body 1, three rubber bellows 102 are arranged on one side of the fire extinguishing tank 100, the three rubber bellows 102 sequentially penetrate through the through holes 8 and the through holes 99 and then are connected with the spray heads 103, the top ends of the three spray heads 103 are fixedly connected to the top ends inside the movable cavity 98, the positions of the three spray heads are in one-to-one correspondence with the three through holes 99, electromagnetic valves 104 are arranged on the spray heads 103, and the electromagnetic valves 104 are electrically connected with the controller 6.

The inside top fixedly connected with smoke detector 11 of block terminal body 1, smoke detector 11 and controller 6 electric connection, the equal fixedly connected with of the inside both sides of block terminal body 11 holds layer board 13, the top of holding layer board 13 is on same horizontal plane with the minimum of the opening part of the tripe mouth 2 of below, all has seted up draw-in groove 14 on holding layer board 13, draw-in groove 14 and removal chamber 98 assorted, and a plurality of evenly distributed's link up groove 15 has all been seted up to the inside bottom of draw-in groove 14.

It will be appreciated that fig. 2 is a block diagram of the normal operation of the power distribution box. When a fire occurs in the power distribution box body 1, the smoke detector 11 at the top end of the power distribution box body 1 detects the emitted smoke and transmits signals to the controller 6, at the moment, the controller 6 controls the electromagnetic plates 91 in the two control components 9 to be electrified and opens three electromagnetic valves 104 at the first time, repulsive magnetic force is generated between the electromagnetic plates 91 and the magnet plates 93 after the electromagnetic plates 91 are electrified, the magnetic force pushes the magnet plates 93 and the connecting rods 94 to move downwards, the connecting rods 94 drive the moving cavities 98 in the penetrating grooves 4 to synchronously move downwards, at the moment, the springs 97 and the multi-stage telescopic rods 96 are in a compressed state until the bottom ends of the moving cavities 98 are inserted into the clamping grooves 14 of the bearing plates 13, at the moment, the moving cavities 98 just block the shutter openings 2 at two sides of the power distribution box body 1, so that the internal air of the distribution box body 1 no longer circulates with the external air, the internal fire is prevented from being promoted, meanwhile, because the electromagnetic valve 104 is opened, the fire extinguishing gas in the fire extinguishing tank 100 can come out through the rubber bellows 102 and finally is sprayed out through the spray head 103, the sprayed fire extinguishing gas can pass through the through groove 15 from the bottom end in the movable cavity 98 and enter the distribution box body 1, thereby carrying out fire extinguishing work on the interior of the distribution box body 1, after the fire extinguishing work is finished, the smoke detector 11 can not detect smoke, at the moment, the controller 6 can control the electromagnetic plate 91 to be powered off, the electromagnetic valve 104 is closed, the repulsive magnetic force disappears after the electromagnetic plate 91 is powered off, and the movable cavity 98 can be pulled back to the original position (namely the position shown in fig. 2) by the connecting rod 94 under the action of the elastic force when the spring 97 is reset.

Compared with the intelligent fireproof device of the existing distribution box, the distribution box of the embodiment can utilize the control assembly 9 to control the movable cavity 98 to plug the shutter opening 2, meanwhile, the fire extinguishing assembly 10 is effectively isolated from the inner space of the distribution box body 1, the influence of fire on the fire extinguishing assembly 10 is avoided, the fire extinguishing efficiency is improved, and the potential safety hazard is reduced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The utility model provides a block terminal with intelligent fire protection device, a serial communication port, including block terminal body and intelligent fire protection device, at least one tripe mouth has been seted up on the block terminal body, intelligent fire protection device includes the controller, smoke detector and corresponds the fire protection device that sets up with each tripe mouth, each fire protection device includes fire extinguishing component, control assembly and removal chamber, fire extinguishing component's shower nozzle and block terminal body intercommunication, control assembly is connected with removal chamber in order to control it, smoke detector sends the signal to the controller when detecting the inside smog that produces of block terminal body, the controller starts fire extinguishing component and control assembly respectively when receiving the signal that smoke detector sent, fire extinguishing component sprays fire extinguishing gas to the block terminal body through the shower nozzle when starting, control assembly controls to remove the chamber and remove to shutoff tripe mouth when starting.

2. The power distribution box with intelligent fireproof device according to claim 1, wherein the control assembly comprises a fixed plate, a movable plate and a power mechanism, the fixed plate is fixed on the top end of the power distribution box body, the movable plate is movably arranged above the fixed plate, at least one connecting rod is arranged at the bottom end of the movable plate, each connecting rod penetrates through the fixed plate and is fixedly connected with the movable cavity, and the power mechanism is connected with the movable plate to drive the movable plate to move up and down.

3. The electrical box with intelligent fire protection device of claim 1, wherein the power mechanism comprises an electromagnetic plate, the electromagnetic plate is electrically connected with the controller, and the movable plate is a magnet plate; when the control assembly is started, repulsive magnetic force is generated between the electromagnetic plate and the magnet plate, and the movable cavity is driven to move downwards to seal the shutter opening through the connecting rod.

4. The electric box with intelligent fire protection device according to claim 3, wherein the power mechanism further comprises at least one group of telescopic components arranged between the magnet plate and the fixed plate, each group of telescopic components comprises a multistage telescopic rod and a spring, one ends of the multistage telescopic rod and the spring are respectively fixed on the fixed plate and the magnet plate, and the other ends of the multistage telescopic rod and the spring are fixedly connected; when the moving cavity moves downwards to seal the shutter opening, the spring compresses downwards and generates elastic restoring force for upward movement.

5. The distribution box with intelligent fireproof device according to claim 1, wherein a supporting plate is arranged below each shutter opening, a clamping groove is formed in the supporting plate, the movable cavity is clamped in the clamping groove when the shutter opening is plugged, and a plurality of through grooves which are arranged at intervals and communicated with the clamping groove are uniformly formed in the bottom end of the clamping groove.

6. The electrical box with intelligent fire protection device of claim 1, wherein the fire extinguishing assembly comprises a fire extinguishing tank containing fire extinguishing gas, at least one rubber bellows is provided on one side of the fire extinguishing tank, a spray head is provided on each rubber bellows, a solenoid valve is provided on each spray head, and the solenoid valve is electrically connected with the controller.

7. The electrical box with intelligent fire protection apparatus of claim 1, wherein the top of the electrical box body is provided with a mounting box, the bottom of the mounting box is open, and the fire extinguishing assembly and the control assembly are disposed in the mounting box and are isolated from each other by a partition.

8. The electrical box with intelligent fire protection apparatus of claim 1, wherein the moving chamber is open at a bottom end and the sprinkler head of the fire suppression assembly passes through the moving chamber and is secured to an interior top end of the moving chamber.

9. The electrical box with intelligent fire protection apparatus of claim 1, wherein two louver openings are oppositely provided on two sides of the electrical box body, and the intelligent fire protection apparatus comprises two fire protection apparatuses provided corresponding to the two louver openings.

10. The electrical box with intelligent fire protection device according to claim 1, wherein a cabinet door is hinged on the electrical box body, supporting legs are symmetrically arranged at the bottom of the electrical box body, the controller is arranged at the top end of the electrical box body, and the smoke detector is arranged at the top end inside the electrical box body and is electrically connected with the controller.