CN220475137U

CN220475137U - High security fire prevention block terminal

Info

Publication number: CN220475137U
Application number: CN202321478928.1U
Authority: CN
Inventors: 马冠英; 刘晓丹; 贾晓东
Original assignee: Henan Guanqing Industry Co ltd
Current assignee: Henan Guanqing Industry Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2024-02-09
Anticipated expiration: 2033-06-12

Abstract

The utility model provides a high-safety fireproof distribution box, which solves the problems that when an external fire disaster occurs, external flame easily flees into a box body from a ventilation window of the box body, so that the temperature in the box body is rapidly increased, and even a circuit in the box body is triggered to burn. The utility model comprises a box body, a box door of which the front part can be opened and closed, a left ventilation window and a right ventilation window which are transparent are arranged on the left side plate and the right side plate of the box body, a first fixing plate is fixedly arranged on the left side plate and the right side plate of the box body, an electric control telescopic mechanism which extends upwards is fixedly arranged at the top of the first fixing plate, a fire baffle plate is fixedly arranged at the top of the electric control telescopic mechanism, and the fire baffle plate is in sliding contact with the left side plate and the right side plate of the adjacent box body; the fire baffle plate is provided with a first through groove which is left and right transparent, the first through groove corresponds to the ventilation window in a left-right mode, the first through groove is fixedly provided with a third temperature sensor, the third temperature sensor is electrically connected with a controller, the controller is arranged in the box, and the controller is in control connection with the electric control telescopic mechanism.

Description

High security fire prevention block terminal

Technical Field

The utility model relates to the technical field of distribution boxes, in particular to a high-safety fireproof distribution box.

Background

The block terminal is the electrical equipment that is used for carrying out installation protection to electrical components, and the block terminal comprises box shell and corresponding locking subassembly or control assembly that the metal was made generally, because lack corresponding fire prevention mechanism in the current block terminal for the block terminal is in the use, when external conflagration takes place in, and external flame scurries into in the box from the ventilation window department of box easily, leads to the box internal temperature to rise rapidly, causes electrical components to be out of order, can cause the circuit in the box to burn up even, burns electrical components, causes economic loss.

Disclosure of Invention

In order to solve the problem that when the outside fire disaster occurs in the background technology, the outside flame easily flees into the box body from the ventilation window of the box body, so that the temperature in the box body is rapidly increased, and even the ignition of a circuit in the box body can be caused, the utility model provides the high-safety fireproof distribution box.

The technical scheme of the utility model is as follows: the utility model provides a high security fire prevention block terminal, includes the box, the front portion of box can the chamber door that opens and shuts, is equipped with on the left and right sides board of box about penetrating transom, all fixed be equipped with first fixed plate on the left and right sides board of box, the fixed automatically controlled telescopic machanism that extends upwards that is equipped with in top of first fixed plate, the fixed baffle that is equipped with in top of automatically controlled telescopic machanism, the baffle slides with the left and right sides board of the box that is close to and pastes the contact;

the upper end of the fire baffle extends to the upper part of the ventilation window, a first through groove which is transparent left and right is formed in the fire baffle, the first through groove corresponds to the ventilation window left and right, a third temperature sensor is fixedly arranged in the first through groove and is electrically connected with a controller, the controller is arranged in the box, and the controller is in control connection with the electric control telescopic mechanism;

the fire baffle can be pushed by the electric control telescopic mechanism to close the ventilation window, and the first through groove and the ventilation window are staggered up and down.

Preferably, a fire isolation groove is formed in the fire baffle plate, and one side of the fire isolation groove, which faces to the side plate of the box body, is of an opening structure;

the fire isolation groove is fixedly provided with a fire-resistant plate at the opening part, one side of the fire-resistant plate facing the box body is level with the fire-resistant plate, the fire-resistant plate seals the opening of the fire isolation groove, and a cavity is reserved between the fire-resistant plate and the bottom of the fire isolation groove;

when the fire baffle seals the ventilation window, the fire-resistant plate corresponds to the ventilation window in a left-right mode, and the fire-resistant plate can completely shield the ventilation window.

Preferably, the top of the electric control telescopic mechanism is fixedly provided with a first connecting plate, and the bottom of the fire baffle is fixedly connected with the top of the first connecting plate;

the first connecting plate is fixedly provided with a first fire extinguishing tank, the outlet of the first fire extinguishing tank is connected with a first output pipe, the first output pipe is provided with a first electromagnetic valve, and one end of the first output pipe, which is far away from the first fire extinguishing tank, passes through the fire baffle plate and extends into the cavity of the fire isolation groove;

the inner wall of the cavity of the fire isolation groove is fixedly provided with a second temperature sensor, the second temperature sensor is electrically connected with a controller, and the controller is in control connection with the first electromagnetic valve; the second temperature sensor is matched with the first electromagnetic valve through the controller to control the switch of the first fire extinguishing tank.

Preferably, the fire baffle is fixedly embedded with an exhaust pipe, one end of the exhaust pipe extends into the cavity of the fire isolation groove, the other end of the exhaust pipe extends to the outside of the fire baffle, a third electromagnetic valve is arranged on the exhaust pipe and is in control connection with the controller, and the second temperature sensor is matched with the third electromagnetic valve through the controller so as to control the switch of the exhaust pipe.

Preferably, a cooling fan is fixedly arranged in the first through groove.

Preferably, a left slide rail and a right slide rail which are arranged at intervals are fixedly arranged in the box body, the slide rails extend along the up-down direction, and the slide rails are positioned between the electric control telescopic mechanisms at the left side and the right side;

the number of the sliding rails in each row comprises at least two, the sliding rails in the same row are arranged at intervals front and back, and the sliding rails on the left side and the right side correspond to each other one by one;

the sliding rail is provided with a sliding block capable of sliding up and down, and the sliding block is provided with a stop member which is used for fixing the sliding block on the sliding rail;

the front of the slide blocks corresponding to the left side and the right side is fixedly connected with a mounting plate extending along the left direction and the right direction, and the mounting plate is provided with a fixing hole for mounting a power supply element.

Preferably, the sliding block is provided with a front through internal threaded hole, and the internal threaded hole corresponds to the sliding rail;

the stop member comprises a stop screw rod inserted into the internal threaded hole and in threaded connection with the internal threaded hole, one end of the stop screw rod is abutted against the sliding rail, and the stop screw rod is used for fixing the sliding block on the sliding rail.

Preferably, the mounting plate comprises a first mounting plate and a second mounting plate, wherein the first mounting plate is horizontally arranged, the second mounting plate is vertically arranged, and the first mounting plate and the second mounting plate are mutually perpendicular.

Preferably, the bottom of the top plate of the box body is fixedly provided with a second fixing plate, the second fixing plate is of an L-shaped plate structure, a second fire extinguishing tank is fixedly arranged on the second fixing plate, the outlet of the second fire extinguishing tank is connected with a second output pipe, a second electromagnetic valve is arranged on the second output pipe, and the second electromagnetic valve is in control connection with the controller;

a second temperature sensor is fixedly arranged in the box body and is electrically connected with the controller; the second temperature sensor is matched with the second electromagnetic valve through the controller to control the switch of the second fire extinguishing tank.

The utility model has the advantages that: when the box is in normal operation, the first through groove on the fire baffle plate corresponds to the ventilation window in the left-right direction, so that normal heat dissipation and ventilation are conveniently carried out in the box. And a first temperature sensor arranged on the inner wall of the first through groove monitors the temperature of the air flow at any time.

When the fire disaster occurs outside, the first temperature sensor monitors the temperature rise of the air flow passing through the ventilation window and the first ventilation groove, the controller starts to control the electric control telescopic mechanism to automatically extend out, the fire baffle plate is pushed upwards, the first ventilation groove and the ventilation window are staggered up and down, the fire baffle plate seals the ventilation window, flames are isolated outside the box body, when the fire disaster is avoided, the outside flames enter the box body from the ventilation window of the box body, the temperature in the box body is rapidly increased, the electric elements are out of order, even the circuit in the box body is triggered to burn up, and the electric elements are burnt.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view showing the internal structure of a cabinet in embodiment 1;

FIG. 2 is a schematic view of the fire shield of FIG. 1;

FIG. 3 is a schematic view of the slider and mounting plate of FIG. 1;

in the figure, 1, a box body, 2, a supporting leg, 3, a ventilation window, 4, a first fixing plate, 5, an electric control telescopic mechanism, 6, a first connecting plate, 7, a fire baffle plate, 701, a first through groove, 702, a fire isolation groove, 8, a cooling fan, 9, a first fire extinguishing tank, 10, a first output pipe, 11, a first electromagnetic valve, 12, a first temperature sensor, 13, a second fixing plate, 14, a second fire extinguishing tank, 15, a second electromagnetic valve, 16, a second temperature sensor, 17, a slide rail, 18, a slide block, 19, a first connecting plate, 20, a first mounting plate, 21, a second mounting plate, 22, a fixing hole, 23, a stop screw, 24, a third temperature sensor, 25, a fire-resistant plate, 26 and a third electromagnetic valve.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Example 1: the utility model provides a high security fire prevention block terminal, as shown in fig. 1, including box 1, the chamber door that the front portion of box 1 can open and shut, be equipped with on the left and right sides board of box 1 about penetrating transom 3, all fix on the left and right sides board of box 1 and be equipped with first fixed plate 4, the fixed automatically controlled telescopic machanism 5 that is equipped with the top extension of first fixed plate 4, automatically controlled telescopic machanism 5's top is fixed and is equipped with fire baffle 7, fire baffle 7 and the left and right sides board slip of box 1 that is close to paste the joint.

The upper end of the fire baffle 7 extends to the upper side of the ventilation window 3, and as shown in fig. 2, a first through groove 701 which is transparent left and right is formed in the fire baffle 7, and the first through groove 701 corresponds to the ventilation window 3 left and right. In order to enhance the ventilation efficiency at the first through groove 701, in this embodiment, a cooling fan 8 is fixedly disposed in the first through groove 701.

The first through groove 701 is fixedly provided with a third temperature sensor 24, the third temperature sensor 24 is electrically connected with a controller, the controller is arranged in the box body 1, and the controller is in control connection with the electric control telescopic mechanism 5. The electric control telescopic mechanism 5 in the embodiment adopts an electric push rod.

The fire baffle 7 can push the lower closed ventilation window 3 by the electric control telescopic mechanism 5, and the first through groove 701 and the ventilation window 3 are staggered up and down at the moment.

In order to enhance the fire resistance of the fire baffle 7 during fire blocking, as shown in fig. 1 and 2, a fire isolation groove 702 is formed in the fire baffle 7, and the side of the fire isolation groove 702 facing the side plate of the case 1 is an open junction.

The fire isolation groove 702 is fixedly provided with a fire-resistant plate 25 at the opening part, one side of the fire-resistant plate 25 facing the box body is flush with the fire-resistant plate 7, the fire-resistant plate 25 seals the opening of the fire isolation groove 702, and a cavity is reserved between the fire-resistant plate 25 and the bottom of the fire isolation groove 702.

When the fire baffle 7 closes the ventilation window 3, the fire-resistant plate 25 corresponds to the ventilation window 3 in the left-right direction, and the fire-resistant plate 25 can completely block the ventilation window 3. The refractory plate 25 in this embodiment may be made of a refractory material such as asbestos.

In order to further enhance the flame-retardant effect of the fire-resistant plate 25 and the cooling effect on the ventilation window 3, as shown in fig. 1 and 2, the top of the electric control telescopic mechanism 5 is fixedly provided with a first connecting plate 6, and the bottom of the fire-blocking plate 7 is fixedly connected with the top of the first connecting plate 6.

The first connecting plate 6 is fixedly provided with a first fire extinguishing tank 9, the outlet of the first fire extinguishing tank 9 is connected with a first output pipe 10, the first output pipe 10 is provided with a first electromagnetic valve 11, and one end of the first output pipe 10, which is far away from the first fire extinguishing tank 9, passes through the fire baffle 7 and extends into the cavity of the fire isolation groove 702.

The inner wall of the cavity of the fire isolation groove 702 is fixedly provided with a second temperature sensor 16, the second temperature sensor 16 is electrically connected with a controller, and the controller is in control connection with the first electromagnetic valve 11; the second temperature sensor 16 is coupled with the first solenoid valve 11 through a controller to control the opening and closing of the first fire extinguishing tank 9.

In order to prolong the service life of the first fire extinguishing tank 9 and increase the use times of the first fire extinguishing tank 9, as shown in fig. 1 and 2, an exhaust pipe is fixedly embedded in the fire baffle 7, one end of the exhaust pipe extends into a cavity of the fire isolation groove 702, the other end of the exhaust pipe extends to the outside of the fire baffle 7, a third electromagnetic valve 26 is arranged on the exhaust pipe, the third electromagnetic valve 26 is in control connection with a controller, the second temperature sensor 16 is matched with the third electromagnetic valve 26 through the controller to control the switch of the exhaust pipe, so that the heated gas in the cavity is discharged in time, the first fire extinguishing tank 9 can conveniently jet low-temperature fire extinguishing gas into the cavity again, the first fire extinguishing tank 9 can jet at intervals for multiple times, and the fire extinguishing gas in the first fire extinguishing tank 9 is utilized to the maximum.

In order to cool down in the box 1, prevent when external conflagration breaks out, the temperature is too high in the box 1, leads to inside electrical components to malfunction and damage even, as shown in fig. 1, in this embodiment, the roof bottom of box 1 is fixed to be equipped with second fixed plate 13, second fixed plate 13 is L template structure, the fixed second fire extinguishing tank 14 that is equipped with on the second fixed plate 13, the exit of second fire extinguishing tank 14 is connected with the second output tube, be equipped with second solenoid valve 15 on the second output tube, second solenoid valve 15 is connected with the controller control.

The second temperature sensor 16 is fixedly arranged in the box body 1, and the second temperature sensor 16 is electrically connected with the controller; the second temperature sensor 16 is matched with the second electromagnetic valve 15 through a controller to control the switch of the second fire extinguishing tank 14 so as to cool down or extinguish fire in the box body 1.

As shown in fig. 1, a left slide rail 17 and a right slide rail 17 are fixedly arranged in the box body 1 at intervals, the slide rail 17 extends along the up-down direction, and the slide rail 17 is positioned between the electric control telescopic mechanisms 5 at the left side and the right side.

The number of the sliding rails 17 in each column includes at least two (not shown in the figure), the sliding rails 17 in the same column are arranged at intervals from front to back, and the sliding rails 17 on the left side and the right side are in one-to-one correspondence.

The slide rail 17 is provided with a slide block 18 capable of sliding up and down, and the slide block 18 is provided with a front through internal threaded hole which corresponds to the slide rail 17.

The slide 18 is provided with a stop member for fixing the slide 18 to the slide rail 17. In this embodiment, the stop member includes a stop screw 23 inserted into and screwed with the internal threaded hole, one end of the stop screw 23 abuts against the slide rail 17, and the stop screw 23 is used to fix the slide block 18 on the slide rail 17.

A mounting plate extending in the left-right direction is fixedly connected in front of the slide blocks 18 corresponding to the left and right sides, and a fixing hole 22 for mounting a power supply element is formed in the mounting plate.

In order to meet the installation requirements of the electrical components in all directions, as shown in fig. 1 and 3, a first connecting plate 19 and a second connecting plate (which is blocked by a second mounting plate 21 in the drawing) are fixedly arranged on the sliding block 18, the mounting plates comprise a first mounting plate 20 and a second mounting plate 21, the first mounting plate 20 is horizontally arranged, and the end part of the first mounting plate 20 is connected with the first connecting plate 19 through bolts. The second mounting plate 21 is vertically arranged, and the end part of the second mounting plate 21 is connected with a second connecting plate through bolts. The first mounting plate 20 and the second mounting plate 21 are perpendicular to each other.

The controller in this embodiment employs a programmable PLC controller. The first fire extinguishing tank 9 and the second fire extinguishing tank 14 are carbon dioxide fire extinguishing tanks.

Working principle: when the fire disaster occurs outside, after the third temperature sensor 24 in the first through groove 701 senses the temperature rise, a signal is transmitted to the controller, and the controller controls the electric control telescopic mechanism 5 to extend out, so that the fire baffle plate 7 is pushed upwards, and the fire-resistant plate 25 blocks the ventilation window 3.

When the fire continues, the external heat is conducted into the cavity in the fire isolation groove 702 through the fire-resistant plate 25, and when the second temperature sensor 16 monitors that the temperature in the cavity rises to the set highest temperature (the highest temperature is lower than the deformation temperature of the fire-resistant plate 25), a signal is transmitted to the controller, the controller controls the first electromagnetic valve 11 to be opened, and the low-temperature carbon dioxide gas in the first fire extinguishing tank 9 automatically rushes into the cavity under pressure to cool the air in the cavity and the fire-resistant plate 25.

Along with the duration of fire, when the second temperature sensor 16 monitors that the temperature in the cavity rises to the set highest temperature value again, the third electromagnetic valve 26 on the controller exhaust pipe is opened, the first electromagnetic valve 11 is controlled to be opened, low-temperature carbon dioxide gas in the first fire extinguishing tank 9 automatically rushes into the cavity under pressure, high-temperature gas in the cavity is discharged through the exhaust pipe, air in the cavity is ventilated and cooled, and the refractory plate 25 is cooled.

When the third temperature sensor 16 detects that the temperature in the box 1 is too high due to an external fire, or the temperature in the box 1 is too high due to the fact that a line fire directly occurs in the box 1, the controller controls the second electromagnetic valve 15 to open, and low-temperature gas in the second fire extinguishing tank 14 is automatically sprayed out to extinguish the fire or reduce the temperature in the box 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high security fire prevention block terminal, includes box (1), the chamber door that the front portion of box (1) can open and shut, its characterized in that: the box body (1) is provided with left and right transparent ventilation windows (3), the left and right side plates of the box body (1) are fixedly provided with first fixing plates (4), the top of each first fixing plate (4) is fixedly provided with an electric control telescopic mechanism (5) extending upwards, the top of each electric control telescopic mechanism (5) is fixedly provided with a fire baffle plate (7), and the fire baffle plates (7) are in sliding contact with the left and right side plates of the adjacent box body (1);

the upper end of the fire baffle (7) extends to the upper part of the ventilation window (3), a first through groove (701) which is transparent left and right is formed in the fire baffle (7), the first through groove (701) corresponds to the ventilation window (3) left and right, a third temperature sensor (24) is fixedly arranged in the first through groove (701), the third temperature sensor (24) is electrically connected with a controller, the controller is arranged in the box body (1), and the controller is in control connection with the electric control telescopic mechanism (5);

the fire baffle (7) can be used for sealing the ventilation window (3) under the pushing of the electric control telescopic mechanism (5), and the first through groove (701) and the ventilation window (3) are staggered up and down.

2. A high security fire protection electrical box as defined in claim 1, wherein: a fire isolation groove (702) is formed in the fire baffle plate (7), and one side of the fire isolation groove (702) facing the side plate of the box body (1) is of an opening structure;

the fire isolation groove (702) is fixedly provided with a fire-resistant plate (25) at the opening part, one side of the fire-resistant plate (25) facing the box body is flush with the fire-resistant plate (7), the fire-resistant plate (25) seals the opening of the fire isolation groove (702), and a cavity is reserved between the fire-resistant plate (25) and the bottom of the fire isolation groove (702);

when the fire baffle (7) seals the ventilation window (3), the fire-resistant plate (25) corresponds to the ventilation window (3) in the left-right direction, and the fire-resistant plate (25) can completely shield the ventilation window (3).

3. A high security fire protection electrical box as defined in claim 2, wherein: the top of the electric control telescopic mechanism (5) is fixedly provided with a first connecting plate (6), and the bottom of the fire baffle plate (7) is fixedly connected with the top of the first connecting plate (6);

a first fire extinguishing tank (9) is fixedly arranged on the first connecting plate (6), a first output pipe (10) is connected to the outlet of the first fire extinguishing tank (9), a first electromagnetic valve (11) is arranged on the first output pipe (10), and one end, far away from the first fire extinguishing tank (9), of the first output pipe (10) penetrates through the fire baffle (7) and extends into a cavity of the fire isolation groove (702);

the inner wall of the cavity of the fire isolation groove (702) is fixedly provided with a second temperature sensor (16), the second temperature sensor (16) is electrically connected with a controller, and the controller is in control connection with the first electromagnetic valve (11); the second temperature sensor (16) is matched with the first electromagnetic valve (11) through a controller so as to control the switch of the first fire extinguishing tank (9).

4. A high security fire protection electrical distribution box as claimed in claim 3 wherein: an exhaust pipe is fixedly embedded in the fire baffle plate (7), one end of the exhaust pipe extends into a cavity of the fire isolation groove (702), the other end of the exhaust pipe extends to the outside of the fire baffle plate (7), a third electromagnetic valve (26) is arranged on the exhaust pipe, the third electromagnetic valve (26) is connected with a controller in a control mode, and a second temperature sensor (16) is matched with the third electromagnetic valve (26) through the controller to control the opening and closing of the exhaust pipe.

5. A high security fire protection electrical box as claimed in any one of claims 1 to 4 wherein: a cooling fan (8) is fixedly arranged in the first through groove (701).

6. A high security fire protection electrical box as claimed in any one of claims 1 to 4 wherein: the box body (1) is internally and fixedly provided with a left sliding rail (17) and a right sliding rail (17) which are arranged at intervals, the sliding rail (17) extends along the up-down direction, and the sliding rail (17) is positioned between the electric control telescopic mechanisms (5) at the left side and the right side;

the number of the sliding rails (17) in each row comprises at least two, the sliding rails (17) in the same row are arranged at intervals front and back, and the sliding rails (17) on the left side and the right side correspond to each other one by one;

a sliding block (18) capable of sliding up and down is arranged on the sliding rail (17), a stop member is arranged on the sliding block (18), and the stop member is used for fixing the sliding block (18) on the sliding rail (17);

the front of the slide blocks (18) corresponding to the left side and the right side is fixedly connected with a mounting plate extending along the left-right direction, and the mounting plate is provided with a fixing hole (22) for mounting a power supply element.

7. A high security fire protection electrical box as defined in claim 6, wherein: the sliding block (18) is provided with a front through internal threaded hole, and the internal threaded hole corresponds to the sliding rail (17);

the stop member comprises a stop screw rod (23) which is inserted into the internal threaded hole and is in threaded connection with the internal threaded hole, one end of the stop screw rod (23) abuts against the sliding rail (17), and the stop screw rod (23) is used for fixing the sliding block (18) on the sliding rail (17).

8. A high security fire protection electrical box as defined in claim 6, wherein: the mounting plate includes first mounting panel (20) and second mounting panel (21), and first mounting panel (20) are the level setting, and second mounting panel (21) are vertical setting, and first mounting panel (20) and second mounting panel (21) mutually perpendicular.

9. A high security fire protection electrical box as claimed in any one of claims 1 to 4 wherein: the bottom of the top plate of the box body (1) is fixedly provided with a second fixing plate (13), the second fixing plate (13) is of an L-shaped plate structure, a second fire extinguishing tank (14) is fixedly arranged on the second fixing plate (13), a second output pipe is connected to the outlet of the second fire extinguishing tank (14), a second electromagnetic valve (15) is arranged on the second output pipe, and the second electromagnetic valve (15) is in control connection with the controller;

a second temperature sensor (16) is fixedly arranged in the box body (1), and the second temperature sensor (16) is electrically connected with the controller; the second temperature sensor (16) is matched with the second electromagnetic valve (15) through a controller to control the switch of the second fire extinguishing tank (14).