CN112271563A

CN112271563A - Fireproof switch cabinet

Info

Publication number: CN112271563A
Application number: CN202011172543.3A
Authority: CN
Inventors: 吴江丽
Original assignee: Zhejiang Longcheng Power Equipment Co ltd
Current assignee: Zhejiang Longcheng Power Equipment Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-01-26

Abstract

The invention discloses a fireproof switch cabinet in the fireproof field of switch cabinets, which comprises a protection box, wherein a ventilation window and a sliding groove are formed in the front end surface of the protection box, a rack is connected in the sliding groove in a sliding manner, the lower end of the rack is fixedly connected with a first spring, and the upper end of the rack is fixedly connected with a stop block; a first square groove is formed in the end face of the side of the ventilation window, a fixed shaft is rotationally connected in the first square groove, and a gear and a shutter are fixedly connected to the circumferential surface of the fixed shaft; a storage groove is formed in the upper top end face in the protection box, a second spring is fixedly connected in the storage groove, the upper end of the storage groove is in threaded connection with a sealing cover, and the lower end of the storage groove is hinged with an opening plate; the double-thread screw rod is rotationally connected in the protection box, the first thread block and the second thread block are in threaded connection with the double-thread screw rod, the front end of the first thread block is fixedly connected with the supporting rod, and the driven wheel is fixedly connected with the front end of the double-thread screw rod.

Description

Fireproof switch cabinet

Technical Field

The invention relates to the field of fire prevention of switch cabinets, in particular to a fire prevention switch cabinet.

Background

The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, bookstore, power distribution and electric energy conversion of a system in a store. The components in the switch cabinet mainly comprise a circuit breaker, a disconnecting switch, a coincidence switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; according to different voltage registration, the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided. The switch cabinet is mainly suitable for different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light textile industry, factories and mines, residential districts, high-rise buildings and the like.

However, the existing switch cabinet can only place circuit equipment in the switch cabinet, and does not have a fireproof effect, when a circuit in the switch cabinet is short-circuited, a fire disaster is very easy to happen, the fire disaster can not be well controlled to a certain range, so that certain loss can be caused to property, and the personal safety is also influenced.

Therefore, the present invention provides a fireproof switch cabinet to solve the problems in the background art.

Disclosure of Invention

The invention aims to provide a fireproof switch cabinet to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a fireproof switch cabinet comprises a protection box, wherein a ventilation window and a sliding groove are formed in the front end face of the protection box, a rack is connected in the sliding groove in a sliding mode, the lower end of the rack is fixedly connected with a first spring, and the upper end of the rack is fixedly connected with a stop block; a first square groove is formed in the end face of the side of the ventilating window, a fixed shaft is rotatably connected in the first square groove, and a gear and a shutter are fixedly connected to the circumferential surface of the fixed shaft; a storage groove is formed in the upper top end face in the protection box, a second spring is fixedly connected in the storage groove, a sealing cover is in threaded connection with the upper end of the storage groove, and an opening plate is hinged to the lower end of the storage groove; a double-thread screw rod is rotationally connected in the protection box, the double-thread screw rod is in threaded connection with a first thread block and a second thread block, the front end of the first thread block is fixedly connected with a supporting rod, and the front end of the double-thread screw rod is fixedly connected with a driven wheel; fixedly connected with temperature sensor, mount and fixed block in the guard box, the fixed block internal rotation is connected with the baffle, baffle up end and open-close plate closely laminate, terminal surface and bracing piece closely laminate down, mount side fixedly connected with shower nozzle, mount upper end fixedly connected with discharging pipe, the discharging pipe side has cup jointed the booster pump, the inlet pipe has been cup jointed to the booster pump side, inlet pipe front end fixedly connected with bin, bin upper end fixedly connected with annotates the material pipe, bin side fixedly connected with arranges the material pipe, arrange the one end fixedly connected with ooff valve that the material pipe is close to the bin.

As a further scheme of the invention: the protection box upper end fixedly connected with motor, the play axle end fixedly connected with action wheel of motor, be connected through the belt between action wheel and the follow driving wheel, at the during operation like this, when the conflagration breaks out, can make the motor drive the follow wheel rotation under temperature sensor's effect to reach and make the protection box be in encapsulated situation.

As a still further scheme of the invention: the alarm is fixedly connected to the upper end of the protection box, the alarm can emit alarm light and alarm sound, and therefore when the protection box works, people can be reminded when a fire disaster happens.

As a still further scheme of the invention: the front end of the protection box is hinged with an opening and closing door, the front end of the opening and closing door is fixedly connected with a handle, and a rubber strip is fixedly arranged at the sealing position of the protection box and the opening and closing door, so that the protection box can be conveniently checked for circuit equipment inside the protection box during working, and can be sealed at the same time, and the protection box is in a sealing state when a fire occurs.

As a still further scheme of the invention: the square groove of second has been seted up to the guard box inner wall, and the even spout in the square groove of second and first square groove runs through, like this at the during operation, can be convenient for make the rack remove, also be convenient for seal the guard box simultaneously.

As a still further scheme of the invention: the screw thread opposite direction of first screw thread piece and second screw thread piece, and all closely laminate with the dog, like this at the during operation, can reach first screw thread piece and second screw thread piece and break away from the dog of guard box two simultaneously, then drive the rack removal under the effect of spring, and then make gear revolve, at this moment will drive the tripe and rotate for seal the ventilation window.

As a still further scheme of the invention: the shower nozzle is provided with a plurality ofly, and evenly distributed is on the mount, like this at the during operation, can reach the area that increases the injection for fire control effect is better.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. the motor is started to rotate the double-thread screw rod under the matching of the motor, the driving wheel, the belt and the driven wheel, so that the first thread block and the second thread block are driven to move, the supporting rod is driven to move simultaneously, when the supporting rod is separated from the baffle plate, the opening and closing plate is pushed to open under the action of the second spring, dry powder in the storage tank is thrown out to extinguish the fire for the first time, the first thread block and the second thread block are separated from the baffle plate along with the continuous movement of the first thread block and the second thread block, then the rack can be driven to move downwards under the action of the first spring, the gear meshed with the rack rotates, then the louver is driven to rotate under the action of the fixed shaft, so that the problem of fire spreading is solved, the effect of sealing the protection box is achieved, and the fire spreading is greatly reduced, reduces the harm to the personal safety.

2. Through under the cooperation at booster pump, inlet pipe, discharging pipe, open the booster pump, can make the fire extinguishing agent in the bin enter into the booster pump along the inlet pipe under the booster pump effect in, then in reentrant inlet pipe, enter into the shower nozzle along the inlet pipe in, just so reach the purpose of putting out a fire for the second time.

Drawings

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

FIG. 2 is a schematic structural view of a rear view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic rear view partially in section of the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the interior of the protective case according to the present invention;

FIG. 7 is a schematic left-side view of the present invention;

fig. 8 is an enlarged schematic view of a portion C of fig. 7 according to the present invention.

In the figure: 1-protective box, 2-rack, 3-chute, 4-ventilation window, 5-shutter, 6-first spring, 7-opening and closing door, 8-handle, 9-alarm, 10-sealing cover, 11-storage box, 12-feeding pipe, 13-discharging pipe, 14-motor, 15-driving wheel, 16-driven wheel, 17-belt, 18-switching valve, 19-feeding pipe, 20-booster pump, 21-discharging pipe, 22-stop block, 23-fixed shaft, 24-gear, 25-first square groove, 26-second spring, 27-fixed block, 28-stop plate, 29-supporting rod, 30-second square groove, 31-first thread block, 32-double thread screw rod, 33-a second thread block, 34-a fixed frame, 35-a spray head, 36-a storage tank, 37-a plywood and 38-a temperature sensor.

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.

Referring to fig. 1 to 8, in an embodiment of the present invention, a fire protection switch cabinet includes a protection box 1, a ventilation window 4 and a sliding chute 3 are disposed on a front end surface of the protection box 1, a rack 2 is slidably connected in the sliding chute 3, a first spring 6 is fixedly connected to a lower end of the rack 2, and a stop 22 is fixedly connected to an upper end of the rack 2; a first square groove 25 is formed in the end face of the side of the ventilating window 4, a fixed shaft 23 is rotatably connected in the first square groove 25, and a gear 24 and the louver 5 are fixedly connected to the circumferential surface of the fixed shaft 23; a storage groove 36 is formed in the upper top end face in the protection box 1, a second spring 26 is fixedly connected in the storage groove 36, the upper end of the storage groove 36 is in threaded connection with the sealing cover 10, and the lower end of the storage groove 36 is hinged with an opening plate 37; a double-thread screw 32 is rotationally connected in the protection box 1, the double-thread screw 32 is in threaded connection with a first thread block 31 and a second thread block 33, the front end of the first thread block 31 is fixedly connected with a support rod 29, and the front end of the double-thread screw 32 is fixedly connected with a driven wheel 16; fixedly connected with temperature sensor 38 in guard box 1, mount 34 and fixed block 27, the internal rotation of fixed block 27 is connected with baffle 28, baffle 28 up end and the close laminating of open-close board 37 closely, the terminal surface closely laminates with bracing piece 29 down, 34 side fixedly connected with shower nozzle 35 of mount, 34 upper end fixedly connected with discharging pipe 21 of mount, discharging pipe 21 side has cup jointed

booster pump

20, 20 side of booster pump has cup jointed

inlet pipe

19, 19 front end fixedly connected with bin 11 of inlet pipe, 11 upper end fixedly connected with of bin annotates

material pipe

12, 11 side fixedly connected with of bin arranges material pipe 13, arrange the one end fixedly connected with ooff valve 18 that material pipe 13 is close to bin 11.

The upper end of the protection box 1 is fixedly connected with a motor 14, the output shaft end of the motor 14 is fixedly connected with a driving wheel 15, and the driving wheel 15 is connected with a driven wheel 16 through a belt 17, so that when the protection box works, the motor 14 can drive the driven wheel to rotate under the action of a temperature sensor 38 when a fire disaster happens, and the protection box 1 is in a sealed state; the upper end of the protection box 1 is fixedly connected with an alarm 9, the alarm 9 can not only send out alarm light, but also send out alarm sound, so that when in work, when a fire disaster happens, people can be reminded; the front end of the protection box 1 is hinged with an opening and closing door 7, the front end of the opening and closing door 7 is fixedly connected with a handle 8, and a rubber strip is fixedly arranged at the sealing position of the protection box 1 and the opening and closing door 7, so that when the protection box works, the inspection of the circuit equipment in the protection box 1 can be facilitated, and meanwhile, the protection box 1 can be sealed, so that the protection box 1 is in a sealed state when a fire occurs; the inner wall of the protection box 1 is provided with a second square groove 30, and the second square groove 30 and the first square groove 25 are uniformly penetrated by the sliding groove 3, so that the rack 2 can be conveniently moved when the protection box works, and the protection box 1 can be conveniently sealed; the thread directions of the first thread block 31 and the second thread block 33 are opposite, and the first thread block 31 and the second thread block 33 are tightly attached to the stop blocks 22, so that when the air conditioner works, the first thread block 31 and the second thread block 33 can be separated from the stop blocks 22 of the two protection boxes 1 at the same time, then the rack 2 is driven to move under the action of the spring, the gear 24 is further driven to rotate, and then the louver 5 is driven to rotate, so that the ventilation window 4 is sealed; the spray heads 35 are arranged in a plurality of numbers and are evenly distributed on the fixing frame 34, so that the spray area can be increased when the fire extinguisher works, and the fire extinguishing effect is better.

The working principle of the invention is as follows:

when the fire extinguisher is used, the fire extinguisher is placed at a required place, when a fire occurs, the motor 14 and the booster pump 20 are started under the action of the temperature sensor 38, the alarm 9 gives an alarm, the driving wheel 15 is rotated under the action of the motor 14, the driving wheel 15 drives the driven wheel 16 to rotate under the action of the belt 17, the double-thread screw rod 32 is driven to rotate, the first thread block 31 and the second thread block 33 which are in threaded connection with the double-thread screw rod 32 move, the supporting rod 29 is pushed to move, when the supporting rod 29 is separated from the baffle 28, the opening plate 37 is opened under the action of the second spring 26, dry powder in the storage groove 36 is enabled to fall downwards, and the purpose of first fire extinguishing of a fire source is achieved. With the continuous movement of the first thread block 31 and the second thread block 33, when the first thread block 31 and the second thread block 33 are disengaged from the stopper 22, the rack 2 slides in the chute 3 under the action of the first spring 6, and at the same time, the rack 2 drives the gear 24 engaged therewith to rotate, thereby driving the fixed shaft 23 to rotate, and at this time, the louver 5 fixedly connected with the fixed shaft 23 is driven to rotate, so that the sealing of the ventilation window 4 can be achieved, and the fire can not spread outwards. The starting of the booster pump 20 can enable the fire extinguishing agent in the storage tank 11 to enter the feeding pipe 19, then enter the discharging pipe 21 under the action of the booster pump 20, and finally enter the spray head 35 along the discharging pipe 21, so that the purpose of carrying out secondary fire extinguishing on a fire source is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a fire prevention cubical switchboard, includes guard box (1), its characterized in that: the front end face of the protection box (1) is provided with a ventilation window (4) and a sliding chute (3), the sliding chute (3) is connected with a rack (2) in a sliding mode, the lower end of the rack (2) is fixedly connected with a first spring (6), and the upper end of the rack (2) is fixedly connected with a stop block (22); a first square groove (25) is formed in the end face of the side of the ventilating window (4), a fixed shaft (23) is rotationally connected in the first square groove (25), and a gear (24) and a louver (5) are fixedly connected to the circumferential surface of the fixed shaft (23); a storage groove (36) is formed in the upper top end face in the protection box (1), a second spring (26) is fixedly connected in the storage groove (36), a sealing cover (10) is connected to the upper end of the storage groove (36) in a threaded mode, and an opening plate (37) is hinged to the lower end of the storage groove (36); a double-thread screw rod (32) is rotationally connected in the protection box (1), the double-thread screw rod (32) is in threaded connection with a first thread block (31) and a second thread block (33), the front end of the first thread block (31) is fixedly connected with a support rod (29), and the front end of the double-thread screw rod (32) is fixedly connected with a driven wheel (16); a temperature sensor (38), a fixing frame (34) and a fixing block (27) are fixedly connected in the protection box (1), the fixed block (27) is rotatably connected with a baffle (28), the upper end surface of the baffle (28) is tightly attached to the opening plate (37), the lower end surface of the baffle is tightly attached to the support rod (29), the side end of the fixed frame (34) is fixedly connected with a spray head (35), the upper end of the fixed frame (34) is fixedly connected with a discharge pipe (21), the side end of the discharge pipe (21) is sleeved with a booster pump (20), the side end of the booster pump (20) is sleeved with a feed pipe (19), the front end of the feeding pipe (19) is fixedly connected with a storage box (11), the upper end of the storage box (11) is fixedly connected with a feeding pipe (12), bin (11) side fixedly connected with arranges material pipe (13), arrange one end fixedly connected with ooff valve (18) that material pipe (13) are close to bin (11).

2. A fire protection switchgear, according to claim 1, characterized in that: the motor (14) is fixedly connected to the upper end of the protection box (1), the output shaft end of the motor (14) is fixedly connected with a driving wheel (15), and the driving wheel (15) is connected with a driven wheel (16) through a belt (17).

3. A fire protection switchgear, according to claim 1, characterized in that: guard box (1) upper end fixedly connected with alarm (9), alarm (9) not only can send alarm light but also can send the alarm sound.

4. A fire protection switchgear, according to claim 1, characterized in that: the front end of the protection box (1) is hinged with an opening and closing door (7), the front end of the opening and closing door (7) is fixedly connected with a handle (8), and a rubber strip is fixedly arranged at the sealing position of the protection box (1) and the opening and closing door (7).

5. A fire protection switchgear, according to claim 1, characterized in that: the inner wall of the protection box (1) is provided with a second square groove (30), and the second square groove (30) and the first square groove (25) are penetrated through by the even sliding groove (3).

6. A fire protection switchgear, according to claim 1, characterized in that: the first thread block (31) and the second thread block (33) are opposite in thread direction and are tightly attached to the stop block (22).

7. A fire protection switchgear, according to claim 1, characterized in that: the spray heads (35) are arranged in a plurality and are uniformly distributed on the fixing frame (34).