CN113851948A

CN113851948A - Power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and pre-judging process

Info

Publication number: CN113851948A
Application number: CN202111124783.0A
Authority: CN
Inventors: 王伟阳; 周涵; 周润兴; 杨帆; 杜鹃; 髙靖尧; 宋磊; 杜峰; 都基宽; 刘凤月
Original assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2021-12-28
Anticipated expiration: 2041-09-25
Also published as: CN113851948B

Abstract

The invention discloses a power distribution cabinet capable of automatically cutting off power, alarming and automatically extinguishing fire and a prejudgment process, and relates to the technical field of power distribution cabinets. The problem of can not accurately put out a fire when on fire in the switch board is solved, the efficiency of putting out a fire is improved, and furthest has reduced loss of property.

Description

Power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and pre-judging process

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of automatically cutting off power, alarming and extinguishing fire and a prejudging process.

Background

The power distribution cabinet is a general name of a motor control center and is used in occasions with dispersed loads and less loops; the invention discloses a motor control center, which is used for the occasions with concentrated loads and more loops, distributes the electric energy of a certain circuit of the upper-level distribution equipment to the nearby loads, a circuit breaker and an alternating current contactor are arranged in a power distribution cabinet, the circuits, a thermal overload relay, an intermediate relay and other equipment can be switched on and off remotely, the equipment in the power distribution cabinet can possibly cause fire disasters due to overlarge loads and other reasons, after one equipment is ignited, other equipment can be ignited quickly, the power can be cut off after the fire disasters occur, and the equipment is burnt completely, so that the great economic loss can be caused.

Chinese patent No. CN 211879930U's patent discloses a switch board with auto-power-off function of putting out a fire, including the switch board cabinet body with open the door on, the front of the switch board cabinet body is opened the door on through hinge fixedly connected with, the front of the switch board cabinet body is close to the below of opening the door on and is opened the door under through hinge fixedly connected with, the right side embedding of the switch board cabinet body is provided with the ventilation pipe, nut fixedly connected with baffle is passed through to the inside of the switch board cabinet body, the inner wall of the switch board cabinet body closely laminates there is the inoxidizing coating, the inside of inoxidizing coating closely laminates respectively has flame retardant coating and insulating layer, and the flame retardant coating is located the top of insulating layer. This kind of switch board, the inside left side of the switch board cabinet body is close to the below of baffle through nut fixedly connected with dry powder fire extinguisher, and the hose of dry powder fire extinguisher upper end extends to the pipe that dusts always, and the dry powder fire extinguisher is sealed the setting through hose and pipe that dusts, and the lower extreme tiling of pipe that dusts is provided with a plurality of round holes, can let switch board oneself put out a fire through dry powder fire extinguisher cooperation electromagnetic vacuum pump.

This patent is putting out a fire the in-process of putting out a fire when being on fire to the switch board, can not be accurate put out a fire to the point of being on fire, and fire extinguishing efficiency is lower, and at the in-process of putting out a fire moreover, the dry powder causes the damage to other intact components and parts in the switch board easily, causes unnecessary loss of property.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the power distribution cabinet capable of automatically cutting off power, alarming and extinguishing fire automatically and the prejudging process, solves the problem that fire cannot be accurately extinguished when fire breaks out in the power distribution cabinet, improves the fire extinguishing efficiency, and reduces property loss to the greatest extent.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a power distribution cabinet capable of automatically cutting off power, alarming and automatically extinguishing fire and a prejudging process comprise a main body, wherein wiring supports are fixed on the inner side wall of the main body, mounting supports are uniformly fixed among the wiring supports, two ends of each mounting support penetrate through the wiring supports, a jacking device is arranged in the main body, an ejection structure is arranged on the inner side of each mounting support and comprises an emission spring, one end of the emission spring is fixedly connected with the inner side of each mounting support, a sliding plate is fixed at one end, far away from the inner side of each mounting support, of the emission spring and movably connected with the inner side of each mounting support, each ejection structure comprises a sliding block, each sliding block is movably connected with the inner side of each mounting support, a clamping block is arranged in each sliding block and movably connected with the inner portion of each sliding block, each clamping block penetrates through the bottom surface of each mounting support, and a reset spring is fixed between each clamping block and each sliding block, and a mounting block is fixed on the surface of the sliding block.

Preferably, it includes the fixed block to go up the top device, the back of fixed block is fixed with rotary motor, and rotary motor's output runs through the fixed block, rotary motor's output is fixed with the plectane, and the diameter of plectane equals the height of fixed block, the side of plectane is fixed with the lug, the top surface of fixed block is equipped with the movable support, and the top surface swing joint of movable support and fixed block, the top surface of movable support is fixed with the kicking block, and the size of kicking block equals the size of fixture block.

Preferably, the inside bottom surface of main part is fixed with the case of putting out a fire, the top surface of main part is fixed with the protecting crust, the inside fire extinguisher that is fixed with of protecting crust, the side of fire extinguisher is fixed with the pipeline of putting out a fire, and puts out a fire the pipeline and run through the protecting crust bottom surface, and put out a fire the pipeline and run through the main part top surface, and put out a fire the pipeline and extend to the incasement portion of putting out a fire, and put out a fire pipeline and put out a fire incasement wall fixed connection, evenly be equipped with the nozzle in the case of putting out a fire, and nozzle and pipeline fixed connection put out a fire, the bottom surface of case of putting out a fire is fixed with pressure sensor, the top surface of protecting crust is fixed with the flash light, the top surface of protecting crust is fixed with signal transceiver.

Preferably, the main part is inside to be fixed with the fixed plate, be equipped with the lead screw between the fixed plate, and lead screw and fixed plate swing joint, the side of fixed plate is fixed with servo motor, and servo motor's output runs through the fixed plate, and servo motor's output and lead screw one end fixed connection, the lead screw surface is equipped with the movable plate, and movable plate and lead screw threaded connection, and movable plate and the inside swing joint of main part, the surface array of movable plate is fixed with the structure of pushing up.

Preferably, the side of main part has seted up the vent, and the vent runs through the main part side, the inside side of main part is fixed with the electro-magnet, the inside side of main part is equipped with the metal sheet, and metal sheet and main part swing joint, the inside side of main part is fixed with the open-phase protector, the inside top surface of main part is fixed with smoke transducer.

Preferably, the front of main part is equipped with a body, and the positive swing joint of a body and main part, the inboard of the body of the door is fixed with the electric cabinet, the inside of electric cabinet is fixed with the controller, and the controller respectively with servo motor, rotary motor, open-phase protector, signal transceiver, smoke transducer, flash light electric connection, the inside of electric cabinet is fixed with the battery, and the battery respectively with controller, electro-magnet, flash light electric connection, the surface array of electric cabinet is fixed with reputation sensor, and reputation sensor and controller electric connection.

Preferably, the process is as follows:

sp 1: judging the fire position, when a component mounted on the mounting block is on fire, sensing smoke by a smoke sensor on the top surface inside the main body, transmitting a signal to a controller, transmitting the signal to an acousto-optic sensor on the surface array of the electric cabinet by the controller, accurately sensing the specific fire position by the acousto-optic sensor, and simultaneously cutting off the power supply by a phase failure protector by the controller, wherein the electromagnet on the inner side of the main body is powered off, a metal plate adsorbed on the surface of the electromagnet falls down to shield the vent, so that the external air is blocked from entering the main body, flames are restrained, and the fire is prevented from increasing;

sp 2: the device comprises a mounting bracket, a smoke sensor, a controller, a servo motor, a movable bracket, a mounting bracket, a sliding plate, a controller, a lifting block, a mounting spring, a sliding plate, a moving plate, a corresponding ejection structure, a rotary motor, a cam, a mounting bracket, a clamping block, a sliding plate, a mounting spring, a sliding plate and a positioning block, wherein the mounting bracket is arranged on the mounting bracket;

sp 3: the fire extinguishing device comprises a fire extinguishing box, a controller, a fire extinguishing pipeline, nozzles, a pressure sensor and a pressure sensor, wherein the pressure sensor is arranged on the bottom surface of the pressure sensor;

sp 4: the warning, after the component of being on fire was put out a fire and is accomplished, the controller provides signal transceiver with information such as the model of conflagration information and the component of being on fire and transmits for the terminal, reminds maintenance personal to maintain the change, and the controller can control the work of flash light moreover, makes things convenient for maintenance personal to discover.

(III) advantageous effects

The invention provides a power distribution cabinet capable of automatically cutting off power, alarming and extinguishing fire and a pre-judging process. The method has the following beneficial effects:

1. the invention is provided with an ejection structure and an upward jacking device, when components inside a power distribution cabinet are on fire, after the ignition position is determined, a controller can control a servo motor to act, a moving plate is moved to the ignition position, then the corresponding ejection structure is started, a rotating motor at the corresponding position rotates, a convex block on the side surface of a circular plate pushes a movable support upward under the rotation of the rotating motor, then a top block on the top surface of the movable support pushes a clamping block out of the bottom surface of an installation support, and then the ignition components are ejected under the pushing of a launching spring and a sliding plate.

2. The electromagnet is arranged on the inner side face of the power distribution cabinet, when the power distribution cabinet is normally used, the electrified electromagnet has adsorption force to adsorb the metal plate, the ventilation opening is normally ventilated and cooled, when fire breaks in the power distribution cabinet, air flows at the ventilation opening to increase the fire behavior in the power distribution cabinet, at the moment, the power distribution cabinet cuts off a power supply through the phase failure protector, at the moment, the electromagnet is powered off, the metal plate falls down to block the ventilation opening, and by the design, when the fire breaks in the power distribution cabinet, the fire behavior can be timely suppressed, the power distribution cabinet is sealed, time is won for the next fire extinguishing operation of the power distribution cabinet, and the fire extinguishing efficiency is greatly increased.

3. The pressure sensor and the nozzles are arranged in the fire extinguishing box, the ignition element can be found at the first time when falling into the fire extinguishing box, the nozzles are uniformly arranged on the periphery in the fire extinguishing box, the ignition element can be intensively extinguished, and after the ignition element is extinguished, the controller can transmit information such as fire information and the type of the ignition element to the signal transceiver to the terminal so as to remind maintenance personnel to maintain and replace the fire element.

Drawings

FIG. 1 is an isometric view of the present invention;

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

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a partial block diagram of the present invention;

FIG. 5 is a sectional view of an electric cabinet according to the present invention;

fig. 6 is a cross-sectional view of the ejection structure of the present invention;

FIG. 7 is a block diagram of the jacking device of the present invention;

FIG. 8 is a flow chart of the present invention.

Wherein, 1, a flash lamp; 2. a main body; 3. a vent; 4. a phase loss protector; 5. a fire extinguishing box; 6. a protective shell; 7. an electromagnet; 8. a metal plate; 9. an electric cabinet; 10. an acousto-optic sensor; 11. a door body; 12. a smoke sensor; 13. mounting a bracket; 14. an ejection structure; 1401. mounting blocks; 1402. a return spring; 1403. a slider; 1404. a clamping block; 1405. a slide plate; 1406. a firing spring; 15. a wiring bracket; 16. a signal transceiver; 17. a fire extinguisher; 18. a fire extinguishing pipe; 19. a nozzle; 20. a pressure sensor; 21. moving the plate; 22. a fixing plate; 23. a screw rod; 24. a servo motor; 25. a jacking device; 2501. a movable support; 2502. a top block; 2503. a rotary motor; 2504. a fixed block; 2505. a circular plate; 2506. a bump; 26. a controller; 27. and (4) a storage battery.

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.

The first embodiment is as follows:

as shown in fig. 1-7, a power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and a pre-judging process thereof include a main body 2, a wiring bracket 15 is fixed on an inner side wall of the main body 2, a mounting bracket 13 is uniformly fixed between the wiring brackets 15, two ends of the mounting bracket 13 penetrate through the wiring bracket 15, a jacking device 25 is arranged in the main body 2, an ejection structure 14 is arranged on an inner side of the mounting bracket 13, the ejection structure 14 includes a launching spring 1406, one end of the launching spring 1406 is fixedly connected with the inner side of the mounting bracket 13, a sliding plate 1405 is fixed on one end of the launching spring 1406 far away from the inner side of the mounting bracket 13, the sliding plate 1405 is movably connected with the inner side of the mounting bracket 13, the ejection structure 14 includes a sliding block 1403, the sliding block 1403 is movably connected with the inner side of the mounting bracket 13, a 1404 is arranged inside the sliding block 1403, the sliding block 1404 is movably connected with the inside of the sliding block 1403, and the sliding block 1404 penetrates through the bottom surface of the sliding block 1403, and the fixture block 1404 penetrates the bottom surface of the mounting bracket 13, a return spring 1402 is fixed between the fixture block 1404 and the slide block 1403, and the mounting block 1401 is fixed on the surface of the slide block 1403.

The upper supporting device 25 includes a fixed block 2504, a rotary motor 2503 is fixed on the back of the fixed block 2504, the output end of the rotary motor 2503 penetrates through the fixed block 2504, a circular plate 2505 is fixed on the output end of the rotary motor 2503, the diameter of the circular plate 2505 is equal to the height of the fixed block 2504, a protrusion 2506 is fixed on the side surface of the circular plate 2505, a movable bracket 2501 is arranged on the top surface of the fixed block 2504, the movable bracket 2501 is movably connected with the top surface of the fixed block 2504, a supporting block 2502 is fixed on the top surface of the movable bracket 2501, and the size of the supporting block 2502 is equal to the size of the supporting block 1404.

The inside bottom surface of main part 2 is fixed with fire extinguishing box 5, the top surface of main part 2 is fixed with protecting crust 6, protecting crust 6 inside is fixed with fire extinguisher 17, fire extinguisher 17's side is fixed with fire extinguishing pipe 18, and fire extinguishing pipe 18 runs through protecting crust 6 bottom surfaces, and fire extinguishing pipe 18 runs through 2 top surfaces of main part, and fire extinguishing pipe 18 extends to inside the fire extinguishing box 5, and fire extinguishing pipe 18 and the 5 inner wall fixed connection of fire extinguishing box, evenly be equipped with nozzle 19 in the fire extinguishing box 5, and nozzle 19 and the 18 fixed connection of fire extinguishing pipe, the bottom surface of fire extinguishing box 5 is fixed with pressure sensor 20, the top surface of protecting crust 6 is fixed with flash light 1, the top surface of protecting crust 6 is fixed with signal transceiver 16.

The main part 2 is internally fixed with a fixed plate 22, a screw rod 23 is arranged between the fixed plates 22, the screw rod 23 is movably connected with the fixed plates 22, a servo motor 24 is fixed on the side face of the fixed plate 22, the output end of the servo motor 24 penetrates through the fixed plate 22, the output end of the servo motor 24 is fixedly connected with one end of the screw rod 23, a movable plate 21 is arranged on the surface of the screw rod 23, the movable plate 21 is in threaded connection with the screw rod 23, the movable plate 21 is movably connected with the main part 2, and an upper jacking structure is fixed on the surface of the movable plate 21 in an array mode.

Vent 3 has been seted up to the side of main part 2, and vent 3 runs through the main part 2 side, and the inside side of main part 2 is fixed with electro-magnet 7, and the inside side of main part 2 is equipped with metal sheet 8, and metal sheet 8 and main part 2 swing joint, and the inside side of main part 2 is fixed with open-phase protector 4, and the inside top surface of main part 2 is fixed with smoke transducer 12.

The front of main part 2 is equipped with a body 11, and the positive swing joint of door 11 and main part 2, the inboard of door 11 is fixed with electric cabinet 9, the inside of electric cabinet 9 is fixed with controller 26, and controller 26 respectively with servo motor 24, rotating motor 2503, open-phase protector 4, signal transceiver 16, smoke transducer 12, flash light 1 electric connection, the inside of electric cabinet 9 is fixed with battery 27, and battery 27 respectively with controller 26, electro-magnet 7, flash light 1 electric connection, the surface array of electric cabinet 9 is fixed with acoustic optical sensor 10, and acoustic optical sensor 10 and controller 26 electric connection.

Example two:

as shown in fig. 8, the flow is as follows:

sp 1: judging the fire position, when the component mounted on the mounting block 1401 fires, the smoke sensor 12 on the top surface inside the main body 2 senses smoke and transmits signals to the controller 26, the controller 26 transmits signals to the acousto-optic sensor 10 arrayed on the surface of the electric cabinet 9, the acousto-optic sensor 10 can accurately sense the specific fire position, meanwhile, the controller 26 cuts off the power supply through the phase failure protector 4, at the moment, the electromagnet 7 on the inner side of the main body 2 is powered off, the metal plate 8 adsorbed on the surface of the electromagnet 7 falls down to cover the vent 3, outside air is blocked from entering the main body 2, flames are restrained, and the fire is prevented from increasing;

sp 2: the fire module is separated, after the fire position is known through the smoke sensor 12 and the acousto-optic sensor 10, the controller 26 controls the servo motor 24 to act, the moving plate 21 is moved to the fire position, then the corresponding ejection structure 14 is started, the rotating motor 2503 at the corresponding position rotates, the lug 2506 on the side surface of the circular plate 2505 pushes the movable bracket 2501 upwards under the rotation of the rotating motor 2503, then the top block 2502 on the top surface of the movable bracket 2501 ejects the clamping block 1404 from the bottom surface of the mounting bracket 13, and then the fired component is ejected under the pushing force of the launching spring 1406 and the sliding plate 1405;

sp 3: fire extinguishing, wherein after the fire extinguishing element is popped up, the fire extinguishing element falls into the fire extinguishing box 5 under the action of gravity, when a pressure sensor 20 on the bottom surface inside the fire extinguishing box 5 senses pressure, a signal is transmitted to a controller 26, the controller 26 controls a fire extinguisher 17 in the protective shell 6 to extinguish fire for the fire extinguishing element through a fire extinguishing pipeline 18, the fire extinguishing pipeline 18 is fixed on the inner wall of the fire extinguishing box 5, and nozzles 19 uniformly fixed on the surface of the fire extinguishing pipeline 18 perform centralized fire extinguishing for the fire extinguishing element;

sp 4: and alarming, after the fire extinguishing of the ignition element is finished, the controller 26 transmits information such as fire information and the type of the ignition element to the signal transceiver 16 to the terminal to remind maintenance personnel to carry out maintenance and replacement, and the controller 26 controls the flash lamp 1 to work so as to be convenient for the maintenance personnel to find.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. However, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. But automatic power failure warning automatic fire extinguishing's switch board and prejudgement flow include main part (2), its characterized in that: the inside lateral wall of main part (2) is fixed with wiring support (15), evenly be fixed with between wiring support (15) installing support (13), and the both ends of installing support (13) run through wiring support (15), be equipped with roof device (25) in main part (2), the inboard of installing support (13) is equipped with ejection structure (14), ejection structure (14) are including launching spring (1406), and the inboard fixed connection of one end of launching spring (1406) and installing support (13), the one end that installing support (13) inboard was kept away from to launching spring (1406) is fixed with slide (1405), and slide (1405) and installing support (13) inboard swing joint, ejection structure (14) are including slider (1403), and slider (1403) and installing support (13) inboard swing joint, the inside of slider (1403) is equipped with fixture block (1404), the clamping block (1404) is movably connected with the inside of the sliding block (1403), the clamping block (1404) penetrates through the bottom surface of the mounting bracket (13), a return spring (1402) is fixed between the clamping block (1404) and the sliding block (1403), and the mounting block (1401) is fixed on the surface of the sliding block (1403).

2. The power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and the pre-judging process according to claim 1 are characterized in that: go up top device (25) including fixed block (2504), the back of fixed block (2504) is fixed with rotary motor (2503), and the output of rotary motor (2503) runs through fixed block (2504), the output of rotary motor (2503) is fixed with plectane (2505), and the diameter of plectane (2505) equals the height of fixed block (2504), the side of plectane (2505) is fixed with lug (2506), the top surface of fixed block (2504) is equipped with movable support (2501), and movable support (2501) and the top surface swing joint of fixed block (2504), the top surface of movable support (2501) is fixed with kicking block (2502), and the size of kicking block (2502) equals the size of fixture block (1404).

3. The power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and the pre-judging process according to claim 1 are characterized in that: a fire extinguishing box (5) is fixed on the bottom surface inside the main body (2), a protective shell (6) is fixed on the top surface of the main body (2), a fire extinguisher (17) is fixed in the protective shell (6), a fire extinguishing pipeline (18) is fixed on the side surface of the fire extinguisher (17), and the fire extinguishing pipeline (18) penetrates through the bottom surface of the protective shell (6), and the fire extinguishing pipeline (18) penetrates through the top surface of the main body (2), the fire extinguishing pipeline (18) extends into the fire extinguishing box (5), the fire extinguishing pipeline (18) is fixedly connected with the inner wall of the fire extinguishing box (5), nozzles (19) are uniformly arranged in the fire extinguishing box (5), the nozzle (19) is fixedly connected with a fire extinguishing pipeline (18), a pressure sensor (20) is fixed on the bottom surface of the fire extinguishing box (5), the top surface of protective housing (6) is fixed with flash light (1), the top surface of protective housing (6) is fixed with signal transceiver (16).

4. The power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and the pre-judging process according to claim 1 are characterized in that: main part (2) inside is fixed with fixed plate (22), be equipped with lead screw (23) between fixed plate (22), and lead screw (23) and fixed plate (22) swing joint, the side of fixed plate (22) is fixed with servo motor (24), and the output of servo motor (24) runs through fixed plate (22), and the output and lead screw (23) one end fixed connection of servo motor (24), lead screw (23) surface is equipped with movable plate (21), and movable plate (21) and lead screw (23) threaded connection, and movable plate (21) and main part (2) inside swing joint, the surface array of movable plate (21) is fixed with the structure of pushing up.

5. The power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and the pre-judging process according to claim 1 are characterized in that: vent (3) have been seted up to the side of main part (2), and vent (3) run through main part (2) side, main part (2) inside side is fixed with electro-magnet (7), main part (2) inside side is equipped with metal sheet (8), and metal sheet (8) and main part (2) swing joint, the inside side of main part (2) is fixed with open-phase protector (4), the inside top surface of main part (2) is fixed with smoke transducer (12).

6. The power distribution cabinet capable of automatically powering off, alarming and automatically extinguishing fire and the pre-judging process according to claim 1 are characterized in that: the front of main part (2) is equipped with a body (11), and the positive swing joint of door body (11) and main part (2), the inboard of the door body (11) is fixed with electric cabinet (9), the inside of electric cabinet (9) is fixed with controller (26), and controller (26) respectively with servo motor (24), rotating motor (2503), open-phase protector (4), signal transceiver (16), smoke transducer (12), flash light (1) electric connection, the inside of electric cabinet (9) is fixed with battery (27), and battery (27) respectively with controller (26), electro-magnet (7), flash light (1) electric connection, the surface array of electric cabinet (9) is fixed with reputation sensor (10), and reputation sensor (10) and controller (26) electric connection.

7. But automatic power failure warning automatic fire extinguishing's switch board and prejudgement flow, its characterized in that: the process is as follows:

sp 1: judging the position of a fire, when a component mounted on an installation block (1401) is on fire, smoke is sensed by a smoke sensor (12) on the inner top surface of a main body (2), a signal is transmitted to a controller (26), the controller (26) can transmit the signal to an acousto-optic sensor (10) of a surface array of an electric cabinet (9), the acousto-optic sensor (10) can accurately sense the specific position of the fire, meanwhile, the controller (26) can cut off the power supply through a phase failure protector (4), at the moment, an electromagnet (7) on the inner side of the main body (2) is powered off, a metal plate (8) adsorbed on the surface of the electromagnet (7) can fall down to cover a vent (3), external air is prevented from entering the main body (2), flames are contained, and fire increase is prevented;

sp 2: the fire element is separated, after the fire position is known through the smoke sensor (12) and the acousto-optic sensor (10), the controller (26) controls the servo motor (24) to act, the moving plate (21) is moved to the fire position, then the corresponding ejection structure (14) is started, the rotating motor (2503) in the corresponding position rotates, the lug (2506) on the side surface of the circular plate (2505) pushes the movable bracket (2501) upwards under the rotation of the rotating motor (2503), then the top block (2502) on the top surface of the movable bracket (2501) ejects the clamping block (1404) from the bottom surface of the mounting bracket (13), and then the fire element is ejected under the thrust of the launching spring (1406) and the sliding plate (1405);

sp 3: the fire extinguishing device comprises a fire extinguishing unit, a pressure sensor (20) and a controller (26), wherein the fire extinguishing unit is ejected and falls into a fire extinguishing box (5) under the action of gravity, when the pressure sensor (20) on the bottom surface inside the fire extinguishing box (5) senses pressure, a signal is transmitted to the controller (26), the controller (26) can control a fire extinguisher (17) in a protective shell (6) to extinguish fire to the fire extinguishing unit through a fire extinguishing pipeline (18), the fire extinguishing pipeline (18) is fixed on the inner wall of the fire extinguishing box (5), and nozzles (19) uniformly fixed on the surface of the fire extinguishing pipeline (18) are used for intensively extinguishing the fire to the fire extinguishing unit;

sp 4: and alarming, after the fire extinguishing of the ignition element is finished, the controller (26) transmits information such as fire information and the type of the ignition element to the signal transceiver (16) to the terminal, so that maintenance personnel is reminded to maintain and replace the ignition element, and the controller (26) can control the flash lamp (1) to work, so that the flash lamp is convenient for the maintenance personnel to find the ignition element.