CN209766904U

CN209766904U - Fireproof power distribution cabinet

Info

Publication number: CN209766904U
Application number: CN201920676359.9U
Authority: CN
Inventors: 杜鹏; 钱林锋; 何晓军; 于鑫; 刘长瑞
Original assignee: Tianjin Lanxiao Automatic Control Equipment Co Ltd
Current assignee: Tianjin Lanxiao Automatic Control Equipment Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2019-12-10
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to a fire prevention switch board, including the cabinet body that has cabinet door and top exhaust fan, cabinet body bottom is equipped with a plurality of inlet ports, the internal bottom of cabinet is equipped with the dehumidification board, the dehumidification board top is equipped with the sponge layer, cabinet body one side is equipped with the rolling curtain case, cabinet body opposite side is equipped with the rolling case, the rolling incasement is equipped with the rolling axle, a plurality of ropes have been linked firmly on the rolling axle, the one end of rolling axle has set firmly the driving lever, rolling case one end is equipped with admittedly on the inner wall and is used for carrying out spacing automatically controlled spacer pin to the driving lever with the driving lever cooperation, the inner chamber of the cabinet body passes through the baffle and separates into the independent equipment fixing room of a plurality of with the inner chamber space, all be equipped. The utility model has rapid action of the fire-proof switch, and timely reminds the staff to take corresponding treatment measures against the fire; the fireproof roller shutter is unfolded in time, so that the loss is reduced to the maximum extent, the fire condition is prevented from being enlarged, and the potential safety hazard is reduced.

Description

Fireproof power distribution cabinet

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a fire prevention switch board.

background

At present, due to reasons such as air humidity short circuit and insufficient heat dissipation, sudden situations such as fire disasters easily occur in the use process of a power distribution cabinet, if the sudden situations are not processed in time, electrical equipment may touch a shell short circuit due to insulation damage, an electrical circuit may be grounded and short-circuited due to breakage of an electric wire, parts such as an uncharged metal framework and a ground under a normal condition are electrified, contact voltage or step voltage electric shock danger can be caused, and certain potential safety hazards exist.

Disclosure of Invention

The utility model discloses aim at solving prior art not enough, and provide a fire prevention switch board.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:

A fireproof power distribution cabinet comprises a cabinet body with a cabinet door and an exhaust fan at the top, a plurality of air inlets are arranged at the bottom of the cabinet body, a dehumidifying plate is arranged at the bottom in the cabinet body, a sponge layer is arranged at the top of the dehumidifying plate,

The top and the bottom of one side of the cabinet body are respectively provided with a rolling box, the rolling box is internally rolled with a fireproof rolling curtain, the side wall of the cabinet body is provided with a strip-shaped hole for the fireproof rolling curtain to extend into, the other side of the cabinet body is provided with two rolling boxes, the two rolling boxes and the two rolling boxes are arranged correspondingly, a rolling shaft is arranged in each rolling box, two ends of each rolling shaft are respectively connected with the inner walls of two ends of each rolling box in a rotating way, a spring for providing rolling moment for each rolling shaft is arranged at the joint, a plurality of rope bodies are fixedly connected on each rolling shaft, the other ends of the rope bodies penetrate through the side wall of the cabinet body and are fixedly connected with the outer ends of the corresponding fireproof rolling curtains, one end of each rolling shaft is fixedly provided with a shifting lever, and the inner wall of one end,

The inner chamber of the cabinet body is separated into a plurality of independent equipment installation chambers through a partition board, the inner wall of each equipment installation chamber is provided with a fireproof switch capable of realizing an overheat on-off function, and the fireproof switch is electrically connected with an electric control limiting pin, an alarm lamp in a monitoring chamber and a power supply.

Preferably, automatically controlled spacer pin includes automatically controlled spacer pin casing, automatically controlled spacer pin casing fixed connection is on rolling up case one end inner wall, automatically controlled spacer pin casing is equipped with spout and spout opening orientation and is close to one side of driving lever, it can be by the adsorbed slider of magnet to slide to be equipped with in the spout, the slider has set firmly the round pin body, the one end of the round pin body stretches out from the spout opening and carries on spacingly to the driving lever, it has set firmly the electro-magnet to be close to open-ended one end in the spout, be equipped with in the spout and be used for drawing the slider to.

Preferably, the fire prevention switch includes two normally open contacts, two normally closed contacts, a conductor piece that is used for connecting the contact, a spring that is used for pressing the conductor piece to two normally open contacts, is equipped with the hot melt insulator cushion that is used for propping the conductor piece on normally closed contact between normally open contact and the conductor piece.

preferably, the hot melt insulation mat uses a polyethylene wax mat.

Preferably, the normally open contacts of the fire-proof switches are connected in parallel and then connected in series with the alarm lamp and the power supply in the monitoring room.

Preferably, the coils of the two electromagnets and the relay coil for controlling the power supply of the top exhaust fan are connected in parallel with the normally closed contacts of the plurality of fireproof switches and the power supply in series.

Preferably, the dehumidification plate is a baffle plate.

the utility model has the advantages that: the dehumidification board and the sponge layer of the utility model can remove most of moisture in the inlet air, thereby reducing the probability of fire caused by short circuit due to air humidity of the electrical equipment; the fire-proof switch acts rapidly, and timely reminds workers to take corresponding treatment measures according to the fire; the fireproof roller shutter is unfolded in time, so that the loss is reduced to the maximum extent, the fire condition is prevented from being enlarged, and the potential safety hazard is reduced.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a partial cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic structural view of an electrically controlled stopper pin;

FIG. 5 is a schematic view of a fire prevention switch;

FIG. 6 is an equivalent circuit diagram of the present invention with three fireproof switches;

In the figure: 1-a cabinet body; 2-air inlet holes; 3-a dehumidifying plate; 4-sponge layer; 5-rolling the curtain box; 6-fire-proof roller shutter; 7-rolling box; 8, a winding shaft; 9-a deflector rod; 10-an electric control limit pin; 11-an electric control limit pin shell; 12-a slide block; 13-a pin body; 14-an electromagnet; 15-a tension spring; 16-a rope body; 17-equipment installation room; 18-a fire-proof switch; 19-an alarm lamp; 20-normally open contact; 21-normally closed contact; 22-a conductor sheet; 23-a spring; 24-hot melt insulation spacer blocks; 25-a relay coil;

The following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

the invention will be further explained with reference to the following figures and examples:

As shown in the figure, the fireproof power distribution cabinet comprises a cabinet body 1 with a cabinet door and an exhaust fan at the top, a plurality of air inlet holes 2 are arranged at the bottom of the cabinet body 1, a dehumidifying plate 3 is arranged at the bottom in the cabinet body 1, a sponge layer 4 is arranged at the top of the dehumidifying plate 3,

The top and the bottom of one side of the cabinet body 1 are respectively provided with a rolling box 5, a fireproof rolling curtain 6 is rolled in the rolling box 5, the side wall of the cabinet body 1 is provided with a strip-shaped hole for the fireproof rolling curtain 6 to extend into, the other side of the cabinet body 1 is provided with two rolling boxes 7, the two rolling boxes 7 are arranged corresponding to the two rolling boxes 5, a rolling shaft 8 is arranged in each rolling box 7, two ends of each rolling shaft 8 are respectively connected with the inner walls of two ends of each rolling box 7 in a rotating way, a spring for providing rolling moment for each rolling shaft 8 is arranged at the joint, a plurality of rope bodies 16 are fixedly connected on each rolling shaft 8, the other ends of the rope bodies 16 penetrate through the side wall of the cabinet body 1 and are fixedly connected with the outer ends of the corresponding fireproof rolling curtains 6, a shifting lever 9 is fixedly arranged at one end of each rolling shaft 8, an electric control limiting pin 10 for limiting the shifting,

The inner chamber of the cabinet body 1 is separated into a plurality of independent equipment installation chambers 17 by a partition board, the inner wall of each equipment installation chamber 17 is provided with a fireproof switch 18 capable of realizing an overheat on-off function, and the fireproof switch 18 is electrically connected with the electric control limiting pin 10, an alarm lamp 19 in a monitoring chamber and a power supply.

Preferably, automatically controlled spacer pin 10 includes automatically controlled spacer pin casing 11, automatically controlled spacer pin casing 11 fixed connection is on 7 one end inner walls of rolling up case, automatically controlled spacer pin casing 11 is equipped with spout and spout opening orientation and is close to one side of driving lever 9, it can be by the adsorbed slider 12 of magnet to slide in the spout to be equipped with, slider 12 has set firmly round pin body 13, the one end of round pin body 13 stretches out from the spout opening and carries on spacingly to driving lever 9, it has set firmly electro-magnet 14 to be close to open-ended one end in the spout, be equipped with in the spout and be used for pulling the slider to the inner extension spring 15.

preferably, the fire-proof switch 18 comprises two normally open contacts 20, two normally closed contacts 21, a conductor strip 22 for connecting the contacts, a spring 23 for pressing the conductor strip 22 against the two normally open contacts 20, and a hot-melt insulator pad 24 for pressing the conductor strip 22 against the normally closed contacts 21 is provided between the normally open contacts 20 and the conductor strip 22.

preferably, polyethylene wax blocks are used for the hot melt insulation mat blocks 24.

Preferably, the normally open contacts 20 of the fire-proof switches 18 are connected in parallel and then connected in series with the alarm lamp 19 and the power supply in the monitoring room.

preferably, the coils of the two electromagnets 14 and the relay coil 25 for controlling the power supply of the top exhaust fan are connected in parallel with the normally closed contacts 21 of the fire switches 18 and the power supply in series.

Preferably, the dehumidifying plate 3 is a baffle plate.

The utility model discloses during the use, when the electrical equipment in certain equipment fixing room 17 is on fire because reasons such as the heat dissipation is not enough, high temperature leads to hot melting insulator cushion 24 to melt, under the effect of spring 23, this normally open contact 20 closure and the normally closed contact 21 disconnection of fire prevention switch 18, thereby make alarm lamp 19 in the monitor room light the warning, simultaneously the top exhaust fan stall, electro-magnet 14 loses the electricity, slider 12 is pulled back the inner of spout under the effect of extension spring 15, thereby it makes its spacing effect to driving pin 13 withdrawal to make, rolling shaft 8 loses spacing and rotates under the effect of clockwork spring, thereby with 16 rolling of rope and pulling fire prevention rolling curtain 6 until fire prevention rolling curtain 6 covers the top and the bottom of cabinet body 1, with cabinet body 1 inner chamber and outside air isolated and thermal-insulated, avoid the condition of a fire to continue to enlarge. In this way, the worker can find the fire in time and take corresponding treatment measures, the fireproof roller shutter 6 acts rapidly, the loss is reduced to the maximum extent, the fire is prevented from being enlarged, and the potential safety hazard is reduced.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A fireproof power distribution cabinet comprises a cabinet body (1) with a cabinet door and an exhaust fan at the top, and is characterized in that a plurality of air inlets (2) are arranged at the bottom of the cabinet body (1), a dehumidifying plate (3) is arranged at the bottom in the cabinet body (1), a sponge layer (4) is arranged at the top of the dehumidifying plate (3),

The electric fire-fighting safety cabinet is characterized in that the top and the bottom of one side of the cabinet body (1) are respectively provided with a rolling box (5), a fire-proof rolling curtain (6) is rolled in the rolling box (5), the side wall of the cabinet body (1) is provided with a strip-shaped hole convenient for the fire-proof rolling curtain (6) to stretch into, the other side of the cabinet body (1) is provided with two rolling boxes (7), the two rolling boxes (7) and the two rolling boxes (5) are correspondingly arranged, rolling shafts (8) are arranged in the rolling boxes (7), the two ends of each rolling shaft (8) are respectively connected with the inner walls of the two ends of each rolling box (7) in a rotating manner, a spring providing rolling moment for each rolling shaft (8) is arranged at the joint, the rolling shafts (8) are fixedly connected with a plurality of rope bodies (16), the other ends of the rope bodies (16) penetrate through the side wall of the cabinet body (1) and are fixedly connected with the outer ends of the corresponding fire-proof rolling curtains (6), one end of the rolling shafts (8) is fixedly connected with a shifting rod A limit control pin (10),

the inner chamber of the cabinet body (1) is separated into a plurality of independent equipment installation chambers (17) through a partition board, the inner wall of each equipment installation chamber (17) is provided with a fireproof switch (18) capable of achieving an overheat on-off function, and the fireproof switch (18) is electrically connected with an electric control limiting pin (10), an alarm lamp (19) in a monitoring chamber and a power supply.

2. The fireproof power distribution cabinet according to claim 1, wherein the electrically controlled limiting pin (10) comprises an electrically controlled limiting pin housing (11), the electrically controlled limiting pin housing (11) is fixedly connected to the inner wall of one end of the winding box (7), the electrically controlled limiting pin housing (11) is provided with a sliding groove, the opening of the sliding groove faces to one side close to the shifting lever (9), a sliding block (12) capable of being adsorbed by a magnet is arranged in the sliding groove in a sliding mode, a pin body (13) is fixedly arranged on the sliding block (12), one end of the pin body (13) extends out of the opening of the sliding groove to limit the shifting lever (9), one end close to the opening in the sliding groove is fixedly provided with an electromagnet (14), and a tension spring (15) used for pulling the sliding.

3. The flameproof switch board of claim 2, characterized in that the flameproof switch (18) comprises two normally open contacts (20), two normally closed contacts (21), a conductor strip (22) for connecting the contacts, a spring (23) for pressing the conductor strip (22) against the two normally open contacts (20), and a thermally fusible insulator block (24) for pressing the conductor strip (22) against the normally closed contacts (21) is arranged between the normally open contacts (20) and the conductor strip (22).

4. the flameproof power distribution cabinet of claim 3, characterized in that the hot-melt insulation block (24) is a polyethylene wax block.

5. The fireproof distribution cabinet according to claim 4, wherein the normally open contacts (20) of several fireproof switches (18) are connected in parallel and then connected in series with the alarm lamp (19) and the power supply in the monitoring room.

6. The fireproof distribution cabinet according to claim 5, wherein the coils of two electromagnets (14) and the relay coil (25) controlling the power supply of the top exhaust fan are connected in parallel and then connected in series with the normally closed contacts (21) of a plurality of fireproof switches (18) and the power supply.

7. fireproof electrical distribution cabinet according to claim 1, wherein the dehumidifying plate (3) is a baffle plate.