CN216958928U

CN216958928U - Integrated fireproof power terminal equipment

Info

Publication number: CN216958928U
Application number: CN202123067860.1U
Authority: CN
Inventors: 郭广辉; 郭建; 王洋洋; 郭潇娜; 孟广利
Original assignee: Liaocheng Borui Automation Technology Co ltd
Current assignee: Shandong Borui Electric Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-07-12
Anticipated expiration: 2031-12-08

Abstract

The utility model relates to the technical field of fireproof power equipment, and discloses integrated fireproof power terminal equipment, which comprises a power distribution cabinet, the top of the power distribution cabinet is provided with a ceiling and a telescopic fireproof cover from top to bottom, temperature trigger devices capable of triggering electric signals are symmetrically arranged on two sides of the ceiling, an electric telescopic mechanism used for locking the telescopic fireproof cover is arranged in the ceiling, the temperature trigger devices are used for controlling the contraction of the electric telescopic mechanism according to the temperature change, the bimetallic strip is bent due to high temperature when a fire disaster happens, an electric signal is triggered to electrify the motor, the motor drives the locking rod to move through the contraction gear, so that the three layers of fireproof covers fall down in sequence to separate the power distribution cabinet from external fire, prevent the external fire from spreading and damaging equipment, meanwhile, fire disasters caused by aging, overheating and the like of the internal circuit of the equipment are prevented from spreading to the outside.

Description

Integrated fireproof power terminal equipment

Technical Field

The utility model relates to the technical field of power equipment, in particular to integrated fireproof power terminal equipment.

Background

The importance of the power equipment is self-evident in modern society, and the fire prevention of the power terminal equipment generally comprises two aspects, namely, preventing the spread of external fire and damaging the terminal equipment, preventing the spread of fire caused by the aging of a wiring circuit, overheating of equipment and the like in the terminal equipment to the outside, and reducing the loss of the power equipment as much as possible.

The existing equipment fire prevention generally adopts an integrated fire prevention cover and is installed outside the equipment, but the method only can realize passive fire prevention, the volume of the fire prevention cover is too large, the installation is not easy, and meanwhile, the heat dissipation of the terminal equipment can be influenced, and new potential safety hazards can be caused.

Therefore, in order to solve these problems, an integrated fireproof power terminal device is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides integrated fireproof power terminal equipment which has the advantages that fire disasters can be found in time, three groups of fireproof covers automatically fall down, and the terminal equipment is isolated.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an integrated form fire prevention power terminal equipment, includes the switch board, the top-down of switch board is provided with ceiling and telescopic fire prevention cover, and the bilateral symmetry of ceiling is provided with the temperature trigger device that can trigger electrical signal, and the inside of ceiling is equipped with the electronic telescopic machanism that is used for locking telescopic fire prevention cover, temperature trigger device is used for controlling electronic telescopic machanism's shrink according to temperature variation.

Preferably, the side edges of the ceiling are provided with ventilation openings.

Preferably, the temperature trigger device comprises a bimetallic strip, a trigger block, a power-on plate, an insulating mounting block and a tightening nut.

Preferably, the thermal expansion coefficient of the metal on the side of the bimetallic strip close to the trigger block is smaller than that of the metal on the side far away from the trigger block.

Preferably, the electrified plate comprises two separated metal plates, the upper end of the electrified plate is fixedly connected to the inner side wall of the ceiling through the insulating mounting block, and meanwhile, the upper end of the electrified plate is electrically connected with the motor.

Preferably, telescopic fire prevention cover comprises the multilayer, and the activity cup joints between the multilayer fire prevention cover, and spacing hole has all been seted up to the both sides of fire prevention cover simultaneously, and the top and the ceiling fixed connection of inlayer fire prevention cover.

Preferably, the electric telescopic mechanism comprises locking rods, a contraction gear and a motor, wherein the locking rods are arranged in a left group and a right group, and the two groups of locking rods are fixedly connected with the motor through the contraction gear.

Preferably, the top of the power distribution cabinet is fixedly connected with the inner top of the fireproof cover through a support rod.

Has the advantages that:

this integrated form fire prevention power terminal equipment, the high temperature when taking place through the conflagration arouses the bimetallic strip crooked to trigger the signal of telecommunication, for the motor circular telegram, the motor drives the locking lever through the shrink gear and removes, makes two-layer fire prevention cover fall down in proper order, separates the switch board with external conflagration, prevents that outside conflagration from stretching, damages equipment, also prevents simultaneously that the conflagration that reasons such as switch board inner line is ageing, overheated from stretching to the external world.

Drawings

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

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is an enlarged schematic view of the temperature trigger apparatus of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the fire-retardant cover of the present invention in an unfolded state;

FIG. 5 is a top view of the overall structure of the present invention;

fig. 6 is a schematic view of the locking lever of the present invention.

In the figure: 1. a ceiling; 2. a vent; 3. a bimetal; 4. a trigger block; 5. a power-on plate; 6. an insulating mounting block; 7. tightening the nut; 8. a motor; 9. a retraction gear; 10. a locking lever; 11. a fire-proof cover; 12. a support bar; 13. switch board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Please refer to fig. 1 and 2, an integrated fire-proof power terminal device, including a power distribution cabinet 13, a ceiling 1 is arranged on the top of the power distribution cabinet 13 from top to bottom, ventilation openings 2 are opened on the side surfaces of the ceiling 1, two sets of temperature trigger devices capable of triggering electrical signals through temperature changes are symmetrically installed on two sides of the inner top of the ceiling 1, meanwhile, a telescopic fire-proof cover 11 is fixedly connected to the lower part of the ceiling 1, an electric telescopic mechanism is connected to the inside of the fire-proof cover 11, four sets of support rods 12 are welded on the top of the power distribution cabinet 13, and the tops of the support rods 12 are fixedly connected with the inner top of the fire-proof cover 11 through screws.

Referring to fig. 3, as a preferred embodiment of the present invention, the temperature trigger device includes a bimetal 3, a trigger block 4, a current-carrying plate 5, an insulating mounting block 6 and a tightening nut 7, wherein the upper end of the bimetal 3 is fixedly connected to the inner wall of the ceiling 1, the trigger block 4 is disposed below the bimetal 3, the lower end of the trigger block 4 is slidably connected to the inside of the ceiling 1 through a pulley, the thermal expansion coefficient of the metal on the side of the bimetal 3 close to the trigger block 4 is smaller than that of the metal on the side far from the trigger block 4, the current-carrying plate 5 is disposed inside the trigger block 4, the current-carrying plate 5 is composed of two separate metal plates, the triggering point is disposed inside the lower end of the two current-carrying plates 5, the upper ends of the two current-carrying plates 5 are fixedly connected to the inner side wall of the ceiling 1 through the insulating mounting block 6, the tightening nut 7 is movably connected to the side of the current-carrying plate 5 far from the trigger block 4, through rotating tightening nut 7, can adjust the distance of two electrified boards 5 below trigger points, the upper end of two electrified boards 5 is passed through the electric wire simultaneously and is reached motor 8 electric connection

Referring to fig. 4, as a preferred embodiment of the present embodiment, the fire-proof cover 11 is composed of three layers, the three layers of fire-proof covers 11 are movably sleeved, the fire-proof cover 11 is made of a non-combustible material, meanwhile, both sides of the three layers of fire-proof covers 11 are provided with limiting holes, and the top end of the inner layer of fire-proof cover 11 is fixedly connected with the ceiling 1.

Referring to fig. 5 and 6, as a preferred embodiment of the present invention, the electric telescopic mechanism includes two sets of locking rods 10, a retracting gear 9 and a motor 8, wherein the locking rods 10 are provided with a left set and a right set, the inner sides of the locking rods 10 on both sides are provided with gear teeth engaged with the retracting gear 9, and the retracting gear 9 is fixedly connected with the motor 8.

The working process and principle are as follows: the bimetal 3 is a composite material composed of two metal materials having suitable properties, which bend when two metal sheet layers having different thermal expansion coefficients are heated, the metal sheet having a high thermal expansion coefficient bends into an arched shell, and the metal sheet having a low thermal expansion coefficient bends into an arc having a certain radius.

In the event of a fire, the temperature in the air rises, as shown in figure 3:

because the thermal expansion coefficient of the metal on the side, close to the trigger block 4, of the bimetallic strip 3 is smaller than that of the metal on the side, far away from the trigger block 4, of the bimetallic strip, when the temperature of the bimetallic strip 3 rises, the bimetallic strip bends towards the side close to the trigger block 4, the trigger block 4 is pushed to slide towards the right side, when the trigger block 4 moves towards the right side, the left electrified plate 5 is pushed to deflect towards the right side, at the moment, the trigger points of the two groups of electrified plates 5 are contacted together, the circuit is communicated, the motor 8 is electrified, the motor 8 starts to work, and the contraction gear 9 is driven to rotate clockwise.

As shown in fig. 5:

when 9 clockwise turning of shrink gear, the check lock lever 10 that can drive both sides removes to the centre, check lock lever 10 can break away from in the spacing hole of outermost fire prevention cover 11 at first follow, outermost fire prevention cover 11 falls down under the action of gravity this moment promptly, then continue to remove the in-process at check lock lever 10, second floor fire prevention cover 11 falls down, two-layer fire prevention cover 11 can be protected switch board 13 of below in inside, separate switch board 13 with external conflagration, prevent that outside conflagration from stretching, damage switch board 13.

Similarly, if the fire disaster is caused by aging, short circuit or misoperation of the internal circuit of the power distribution cabinet 13, the fire-proof cover 11 isolates the power distribution cabinet 13 from the outside, and the fire disaster is prevented from spreading to the outside.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integrated form fire prevention power terminal equipment, includes the switch board, its characterized in that: the top-down of switch board is provided with ceiling and telescopic fire prevention cover, and the bilateral symmetry of ceiling is provided with the temperature trigger device that can trigger the signal of telecommunication, and the inside of ceiling is equipped with the electronic telescopic machanism that is used for locking telescopic fire prevention cover, temperature trigger device is used for controlling the shrink of electronic telescopic machanism according to temperature variation.

2. An integrated fire protection power terminal device according to claim 1, wherein: the side of the ceiling is provided with ventilation openings.

3. An integrated fire protection power terminal device according to claim 1, wherein: the temperature trigger device comprises a bimetallic strip, a trigger block, a power-on plate, an insulating mounting block and a tightening nut.

4. An integrated fire protection power terminal device according to claim 3, wherein: the thermal expansion coefficient of the metal on the side, close to the trigger block, of the bimetallic strip is smaller than that of the metal on the side, far away from the trigger block, of the bimetallic strip.

5. An integrated fire protection power terminal device according to claim 3, wherein: the electrified plate comprises two separated metal plates, the upper end of the electrified plate is fixedly connected to the inner side wall of the ceiling through an insulating mounting block, and the upper end of the electrified plate is electrically connected with the motor.

6. An integrated fire protection power terminal device according to claim 1, wherein: the telescopic fireproof cover is composed of multiple layers, the multiple layers of fireproof covers are movably sleeved, limiting holes are formed in two sides of the fireproof cover, and the top end of the innermost fireproof cover is fixedly connected with the ceiling.

7. An integrated fire protection power terminal device according to claim 1, wherein: the electric telescopic mechanism comprises locking rods, a contraction gear and a motor, wherein the locking rods are arranged in a left group and a right group, and the two groups of locking rods are fixedly connected with the motor through the contraction gear.

8. An integrated fire protection power terminal device according to claim 1, wherein: the top of the power distribution cabinet is fixedly connected with the inner top of the fireproof cover through a supporting rod.