CN115102049A - Explosion-proof box with fire extinguishing mechanism and installation method thereof - Google Patents

Explosion-proof box with fire extinguishing mechanism and installation method thereof Download PDF

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Publication number
CN115102049A
CN115102049A CN202210879314.8A CN202210879314A CN115102049A CN 115102049 A CN115102049 A CN 115102049A CN 202210879314 A CN202210879314 A CN 202210879314A CN 115102049 A CN115102049 A CN 115102049A
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CN
China
Prior art keywords
box
fixed
fire extinguishing
explosion
dry powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210879314.8A
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Chinese (zh)
Inventor
卞光辉
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Dongze Energy Saving Technology Suzhou Co ltd
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Dongze Energy Saving Technology Suzhou Co ltd
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Publication date
Application filed by Dongze Energy Saving Technology Suzhou Co ltd filed Critical Dongze Energy Saving Technology Suzhou Co ltd
Priority to CN202210879314.8A priority Critical patent/CN115102049A/en
Publication of CN115102049A publication Critical patent/CN115102049A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A62C35/13—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A62C35/15—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a system for topping-up the supply of extinguishing material automatically
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/46—Boxes; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/46—Boxes; Parts thereof or accessories therefor
    • H02B1/48—Mounting of devices therein
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses an explosion-proof box with a fire extinguishing mechanism and an installation method thereof, and belongs to the field of explosion-proof boxes. An explosion-proof box with a fire extinguishing mechanism and an installation method thereof comprise a box body, wherein a side face of the box body is communicated with an installation box, a limiting cylinder is fixed in the installation box, a dry powder fire extinguisher is slidably installed in the limiting cylinder, an installation assembly used for clamping the dry powder fire extinguisher is arranged in the installation box, a control switch is installed on the dry powder fire extinguisher, an installation frame is fixed on the outer surface of the dry powder fire extinguisher, a spray nozzle is communicated with the control switch and is fixed in the middle of the installation frame, and a pin pulling mechanism is arranged in the installation box; according to the invention, through the arrangement of the PLC and the smoke sensor, smoke generated in a fire can be sensed, signals can be fed back in time and the servo motor is controlled to start, so that the dry powder fire extinguisher can be started in time to carry out fire extinguishing work, and the increase of loss cost caused by untimely fire extinguishing is avoided.

Description

Explosion-proof box with fire extinguishing mechanism and installation method thereof
Technical Field
The invention relates to the technical field of explosion-proof boxes, in particular to an explosion-proof box with a fire extinguishing mechanism and an installation method thereof.
Background
The explosion-proof box is a complete set of equipment for intensively mounting switches, instruments and the like, is important equipment for preventing explosion of mounting places caused by sparks, electric arcs, high temperature and the like, can be subdivided into an explosion-proof distribution box, an explosion-proof control box, an explosion-proof power distribution cabinet and the like, and is easy to generate a phenomenon of fire caused by short circuit of a circuit because a large number of circuits are mounted in the explosion-proof box, so that fire extinguishers are generally placed in areas where the explosion-proof boxes are mounted at present to facilitate fire extinguishing work of workers;
however, when the fire extinguisher is used, the fire extinguisher needs to be manually opened, so the fire extinguisher cannot be started at the first time, the optimal fire extinguishing time is easily missed, the lost cost is increased, and the fire is extinguished only through the fire extinguisher, so that some places cannot be easily sprayed, and the optimal fire extinguishing effect cannot be achieved.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a fire extinguisher cannot be started at the first time, so that the optimal fire extinguishing time is easily missed, the lost cost is increased, and the fire is easily extinguished only by the fire extinguisher, so that some places cannot be sprayed and the optimal fire extinguishing effect cannot be achieved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an explosion-proof box with a fire extinguishing mechanism comprises a box body, wherein a mounting box is communicated with one side surface of the box body, a limiting cylinder is fixed in the mounting box, a dry powder fire extinguisher is arranged in the limiting cylinder in a sliding way, a mounting component for clamping the dry powder fire extinguisher is arranged in the mounting box, the dry powder fire extinguisher is provided with a control switch, the outer surface of the dry powder fire extinguisher is fixed with a mounting rack, the control switch is communicated with a spray head which is fixed in the middle of the mounting frame, a pin pulling mechanism is arranged in the mounting box, a pressing mechanism for extruding the control switch is arranged in the mounting box, a rectangular frame is fixed in the box body, the equidistance is equipped with three dry sand bag in the rectangle frame, the last filtration pore of having seted up of rectangle frame, be provided with the secondary mechanism of putting out a fire that is used for pricking dry sand bag in the box, be provided with controlling means on the box.
Preferably, the mounting assembly comprises a bidirectional lead screw which is rotatably connected in the mounting box through a bearing, the outer surface of the bidirectional lead screw is symmetrically and threadedly connected with two moving blocks, one side surface of each moving block is fixedly provided with a connecting rod, one end of each connecting rod is fixedly provided with an arc-shaped fixing piece, a limiting rod is fixedly arranged in the mounting box, and the moving blocks all slide on the outer surface of the limiting rod.
Preferably, the pin pulling mechanism comprises a servo motor fixed on one side face of the mounting box, a worm is fixed at an output shaft end of the servo motor, a thread groove is formed in the outer surface of the worm, a rectangular block is connected to the outer surface of the thread groove in a threaded mode, a connecting strip is fixed on one side face of the rectangular block, a safety pin is fixed on one side face of the connecting strip, and the safety pin is inserted into the control switch.
Preferably, pressing means includes the worm wheel of meshing connection at the worm surface, the axle center department of worm wheel is fixed with first threaded rod, the both ends of first threaded rod all are connected through the inner wall rotation of bearing and mounting box, the surface threaded connection of first threaded rod has the elevator, a side of elevator is fixed with presses the frame, control switch is last to be fixed with and to press the briquetting, press briquetting and the big or small looks adaptation that presses the frame, the spacing groove has been seted up to a lateral wall of mounting box, a side of elevator is fixed with the spacing dish, the spacing dish slides at the spacing inslot.
Preferably, the secondary mechanism of putting out a fire includes that it connects the sleeve pipe in the box to rotate through the bearing, sheathed tube external fixed surface has first belt pulley, the external fixed surface of first threaded rod has the second belt pulley, be connected through being connected belt transmission between first belt pulley and the second belt pulley, set pipe female connection has the second threaded rod, the bottom mounting of second threaded rod has the connecting plate, the connecting plate is laminated mutually with the inner wall of box, the bottom of connecting plate is fixed with the pjncture needle, the pjncture needle all slides and runs through corresponding filtration pore.
Preferably, the control device comprises a PLC fixed on one side face of the mounting box, a smoke sensor is fixed in the mounting box, and the PLC is electrically connected with the smoke sensor and the servo motor.
Preferably, one end of the bidirectional screw rod extends to the outside of the mounting box and is fixed with a knob, and anti-skid grains are formed in the outer surface of the knob.
Preferably, a cross rod is fixed in the mounting box, a sliding block is fixed on one side face of the rectangular block, and the sliding block slides on the outer surface of the cross rod.
Preferably, one side surface of the mounting box is hinged with a sliding door through a hinge, and a handle is fixed on the sliding door.
The use method of the explosion-proof box with the fire extinguishing mechanism comprises the following steps:
s1: installation: opening a box door, respectively placing dry sand bags in three compartment areas in a rectangular frame, placing a dry powder fire extinguisher in a limiting cylinder to keep the dry powder fire extinguisher horizontal and vertical, primarily installing the dry powder fire extinguisher, aligning a mounting frame and a spray nozzle with an electric appliance installed in the box body, simultaneously twisting a knob, driving a bidirectional screw rod to rotate by the knob, driving two moving blocks to move towards the middle due to the fact that the moving blocks slide on the outer surface of the limiting rod for limiting, enabling two connecting rods and an arc-shaped fixing piece to move towards the middle along with the two connecting rods and the arc-shaped fixing piece, clamping the dry powder fire extinguisher by the arc-shaped fixing piece, and completing installation of the dry powder fire extinguisher;
s2: automatic control: when the box body is in fire due to circuit problems, the smoke sensor senses smoke and transmits signals to the PLC, and the PLC controls the servo motor to be started;
s3: use of: after servo motor opens, the drive worm rotates, the limiting displacement of cooperation horizontal pole and slider, it moves to drive the rectangular block right, make connecting strip and safety pin follow and remove together, make the safety pin extract from control switch, remove control switch's restriction, in the worm pivoted, also can drive the worm wheel and rotate, thereby it rotates to drive first threaded rod, because spacing dish slides at the spacing inslot, and then drive the elevator and press frame downstream, make and press the frame and press according to the pressure piece and control switch and press, will dry powder blowout, put out a fire:
s4: secondary fire extinguishing: when the first threaded rod rotates, the second belt wheel is also driven to rotate, the first belt wheel and the sleeve are driven to rotate through the transmission effect of the connecting belt, the connecting plate is attached to the inner wall of the box body, the second threaded rod and the connecting plate are further driven to move downwards, the puncture needle penetrates through the corresponding filter hole downwards, the dry sand bag is punctured, the dry sand flows out, secondary fire extinguishment is carried out, the servo motor is controlled to rotate forwards and backwards through the PLC, the puncture needle can ascend once after puncturing the dry sand bag, and outflow of the dry sand is facilitated.
Compared with the prior art, the invention provides an explosion-proof box with a fire extinguishing mechanism and an installation method thereof, and the explosion-proof box has the following beneficial effects:
1. according to the explosion-proof box with the fire extinguishing mechanism and the installation method thereof, smoke generated in a fire can be sensed through the arrangement of the PLC and the smoke sensor, signals can be fed back timely, and the servo motor is controlled to start, so that the dry powder fire extinguisher can be opened timely, fire extinguishing work can be carried out, and increase of loss cost caused by untimely fire extinguishing is avoided.
2. According to the explosion-proof box with the fire extinguishing mechanism and the installation method thereof, through the mutual matching of the servo motor, the worm, the rectangular block, the connecting strip, the safety pin, the worm wheel, the first threaded rod, the lifting block, the pressing frame, the pressing block, the limiting groove and the limiting disc, the control switch can be pressed while the limitation on the control switch is removed, so that the dry powder fire extinguisher can be started automatically, dry powder is sprayed out, a fire disaster can be put out timely, and the explosion-proof box is convenient to install.
3. According to the explosion-proof box with the fire extinguishing mechanism and the installation method thereof, through the mutual matching among the sleeve, the second threaded rod, the connecting plate, the puncture needle, the rectangular frame, the dry sand bag and the filter hole, the dry sand outflow is utilized to carry out secondary fire extinguishing while the fire extinguisher extinguishes the fire, so that the fire extinguishing range is wider, and the fire extinguishing effect is increased.
4. According to the explosion-proof box with the fire extinguishing mechanism and the installation method thereof, the pin pulling mechanism, the pressing mechanism and the secondary fire extinguishing mechanism can run simultaneously through the arrangement of the worm wheel, the first belt pulley, the second belt pulley and the connecting belt, and the power supply of the servo motor drives the pin pulling mechanism, the pressing mechanism and the secondary fire extinguishing mechanism, so that the number of power supplies is reduced, and the production cost is reduced.
5. This explosion-proof case with mechanism of putting out a fire and installation method thereof through the setting of spacing section of thick bamboo, two-way lead screw, movable block, connecting rod, arc stationary blade and gag lever post, can install the dry powder fire extinguisher comparatively convenient and fast, makes its installation and when taking off the change, all more convenient.
The device has the advantages that the device can automatically control the dry powder fire extinguisher to be opened according to the fire, so that the dry powder fire extinguisher can perform fire extinguishing work at the first time, the damage cost is reduced, in addition, the dry sand is added for performing secondary fire extinguishing on the basis of fire extinguishing through the fire extinguisher, the fire extinguishing effect is better, in addition, the pin pulling mechanism, the pressing mechanism and the secondary fire extinguishing mechanism can simultaneously operate, and the servo motor is driven by one power supply, so the power supply quantity is reduced, and the production cost is reduced.
Drawings
FIG. 1 is a front view of the structure of an explosion-proof tank with a fire extinguishing mechanism and a method for installing the same according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the explosion-proof box with the fire extinguishing mechanism and the installation method thereof according to the present invention;
FIG. 3 is a schematic view of the internal structure of the installation box of the explosion-proof box with the fire extinguishing mechanism and the installation method thereof according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 of the explosion-proof tank with the fire extinguishing mechanism and the installation method thereof according to the present invention;
FIG. 5 is a sectional view of the structure of the installation box of the explosion-proof box with the fire extinguishing mechanism and the installation method thereof;
FIG. 6 is a side view of the structure of the installation box of the explosion-proof box with the fire extinguishing mechanism and the installation method thereof;
FIG. 7 is a schematic structural view of a dry chemical extinguisher provided with an explosion-proof tank of a fire extinguishing mechanism and a mounting method thereof according to the present invention;
FIG. 8 is a schematic structural view of a rectangular block of an explosion-proof case with a fire extinguishing mechanism and a method for installing the same according to the present invention;
FIG. 9 is a schematic diagram of the lifting block structure of the explosion-proof box with the fire extinguishing mechanism and the installation method thereof according to the present invention;
FIG. 10 is a structural bottom view of an explosion-proof tank with a fire extinguishing mechanism and a method for installing the same according to the present invention;
FIG. 11 is a schematic view of a secondary fire extinguishing mechanism of the explosion-proof tank with the fire extinguishing mechanism and the installation method thereof according to the present invention;
fig. 12 is a structural system diagram of an explosion-proof tank with a fire extinguishing mechanism and an installation method thereof according to the present invention.
In the figure: 1. a box body; 2. mounting a box; 3. a limiting cylinder; 4. a dry powder extinguisher; 5. mounting the component; 501. a bidirectional screw rod; 502. a moving block; 503. a connecting rod; 504. an arc-shaped fixing sheet; 505. a limiting rod; 6. a control switch; 7. a mounting frame; 8. a spray head; 9. a pin pulling mechanism; 901. a servo motor; 902. a worm; 903. a rectangular block; 904. a connecting strip; 905. a safety pin; 10. a pressing mechanism; 1001. a worm gear; 1002. a first threaded rod; 1003. a lifting block; 1004. pressing the frame; 1005. a pressing block; 1006. a limiting groove; 1007. a limiting disc; 11. a rectangular frame; 12. dry sand bags; 13. filtering holes; 14. a secondary fire extinguishing mechanism; 1401. a sleeve; 1402. a first pulley; 1403. a second pulley; 1404. connecting a belt; 1405. a second threaded rod; 1406. a connecting plate; 1407. puncturing needles; 15. a control device; 1501. a PLC controller; 1502. a smoke sensor; 16. a knob; 17. a cross bar; 18. a slider; 19. and (5) sliding the door.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1:
referring to fig. 1-12, an explosion-proof box with a fire extinguishing mechanism comprises a box body 1, a mounting box 2 is communicated with one side surface of the box body 1, a limiting cylinder 3 is fixed in the mounting box 2, a dry powder fire extinguisher 4 is slidably mounted in the limiting cylinder 3, a mounting assembly 5 for clamping the dry powder fire extinguisher 4 is arranged in the mounting box 2, a control switch 6 is mounted on the dry powder fire extinguisher 4, a mounting frame 7 is fixed on the outer surface of the dry powder fire extinguisher 4, a spray nozzle 8 is communicated with the control switch 6 and fixed in the middle of the mounting frame 7, a pin pulling mechanism 9 is arranged in the mounting box 2, a pressing mechanism 10 for extruding the control switch 6 is arranged in the mounting box 2, a rectangular frame 11 is fixed in the box body 1, three dry sand bags 12 are equidistantly arranged in the rectangular frame 11, a filter hole 13 is arranged on the rectangular frame 11, a secondary fire extinguishing mechanism 14 for penetrating the dry sand bags 12 is arranged in the box body 1, the case 1 is provided with a control device 15.
In the invention, when in use, the dry powder fire extinguisher 4 is placed in the limiting cylinder 3, the dry powder fire extinguisher 4 is initially installed, the installation component 5 is utilized to fix the dry powder fire extinguisher 4 again, so that the dry powder fire extinguisher is more stable in use, the installation component 5 is arranged to facilitate the removal and replacement, when a fire breaks out, the control device 15 senses the occurrence of the fire and controls the pin pulling mechanism 9 and the pressing mechanism 10 to operate in time, the dry powder fire extinguisher 4 is started by itself without manual starting, so that the dry powder fire extinguisher 4 can extinguish the fire at the first time, the loss is reduced, the dry sand outflow can be utilized to extinguish the fire for the second time on the basis of fire extinguishment of the fire extinguisher through the arrangement of the secondary fire extinguishing mechanism 14, the fire extinguishing range is wider, the fire extinguishing effect is improved, and the pin pulling mechanism 9, the pressing mechanism 10 and the secondary fire extinguishing mechanism 14 can operate simultaneously, and the power supply is driven by the same power supply, so that the number of the power supplies is reduced, and the production cost is reduced.
Example 2:
referring to fig. 3, 5 and 6, an explosion-proof box with a fire extinguishing mechanism comprises a box body 1, a mounting box 2 is communicated with one side surface of the box body 1, a limiting cylinder 3 is fixed in the mounting box 2, a dry powder fire extinguisher 4 is slidably mounted in the limiting cylinder 3, a mounting component 5 for clamping the dry powder fire extinguisher 4 is arranged in the mounting box 2, a control switch 6 is mounted on the dry powder fire extinguisher 4, a mounting frame 7 is fixed on the outer surface of the dry powder fire extinguisher 4, a spray nozzle 8 is communicated with the control switch 6 and fixed in the middle of the mounting frame 7, a pin pulling mechanism 9 is arranged in the mounting box 2, a pressing mechanism 10 for extruding the control switch 6 is arranged in the mounting box 2, a rectangular frame 11 is fixed in the box body 1, three dry sand bags 12 are equidistantly arranged in the rectangular frame 11, a filtering hole 13 is arranged on the rectangular frame 11, a secondary fire extinguishing mechanism 14 for penetrating the dry sand bags 12 is arranged in the box body 1, be provided with controlling means 15 on the box 1, installation component 5 includes and rotates the two-way lead screw 501 of connecting in mounting box 2 through the bearing, the surface symmetry threaded connection of two-way lead screw 501 has two movable blocks 502, a side of movable block 502 all is fixed with connecting rod 503, the one end of connecting rod 503 all is fixed with arc stationary blade 504, mounting box 2 internal fixation has gag lever post 505, the movable block 502 all slides the surface at gag lever post 505, the one end of two-way lead screw 501 extends to mounting box 2 outer and is fixed with knob 16, anti-skidding line has been seted up to knob 16's surface, a side of mounting box 2 articulates through the hinge has sliding door 19, be fixed with the handle on the sliding door 19.
According to the invention, the dry powder fire extinguisher 4 is placed in the limiting cylinder 3 to keep the dry powder fire extinguisher horizontal and vertical, the dry powder fire extinguisher 4 is preliminarily installed, the mounting rack 7 and the spray nozzle 8 are aligned with an electric appliance installed in the box body 1, meanwhile, the knob 16 is screwed, the knob 16 drives the bidirectional screw rod 501 to rotate, the two moving blocks 502 are driven to move towards the middle due to the fact that the moving blocks 502 slide on the outer surface of the limiting rod 505 to limit, the two connecting rods 503 and the arc fixing piece 504 move towards the middle along with each other, the dry powder fire extinguisher 4 is clamped by utilizing the arc fixing piece 504, the installation of the dry powder fire extinguisher 4 is completed, when the dry powder fire extinguisher 4 needs to be taken down for replacement, the knob 16 is rotated reversely, and the installation is convenient and rapid.
Example 3:
referring to fig. 1, fig. 2, fig. 6 and fig. 12, an explosion-proof box with a fire extinguishing mechanism comprises a box body 1, a mounting box 2 is communicated with one side surface of the box body 1, a limiting cylinder 3 is fixed in the mounting box 2, a dry powder fire extinguisher 4 is slidably mounted in the limiting cylinder 3, a mounting component 5 for clamping the dry powder fire extinguisher 4 is arranged in the mounting box 2, a control switch 6 is mounted on the dry powder fire extinguisher 4, a mounting frame 7 is fixed on the outer surface of the dry powder fire extinguisher 4, a spray head 8 is communicated with the control switch 6 and fixed in the middle of the mounting frame 7, a pin pulling mechanism 9 is arranged in the mounting box 2, a pressing mechanism 10 for extruding the control switch 6 is arranged in the mounting box 2, a rectangular frame 11 is fixed in the box body 1, three dry sand bags 12 are arranged in the rectangular frame 11 at equal intervals, a filter hole 13 is arranged on the rectangular frame 11, a secondary fire extinguishing mechanism 14 for penetrating the dry sand bags 12 is arranged in the box body 1, be provided with controlling means 15 on box 1, controlling means 15 is including fixing PLC controller 1501 at 2 a side of mounting box, and the mounting box 2 internal fixation has smoke transducer 1502, and PLC controller 1501 electric connection smoke transducer 1502 and servo motor 901.
In the invention, when the box body 1 is on fire due to circuit problems, the smoke sensor 1502 senses smoke and transmits signals to the PLC controller 1501, the PLC controller 1501 controls the servo motor 901 to be started, the smoke generated in the fire can be sensed through the arrangement of the PLC controller 1501 and the smoke sensor 1502, the signals can be fed back in time and the servo motor 901 can be controlled to be started, so that the dry powder fire extinguisher 4 can be started in time to extinguish fire, and the increase of loss cost caused by untimely fire extinguishment is avoided, wherein the PLC controller 1501 is provided with the model of OHR-PR10, the smoke sensor 1502 is provided with the model of GM-202B, and the servo motor 901 is provided with the model of PF 60.
Example 4:
referring to fig. 1-12, an explosion-proof box with a fire extinguishing mechanism comprises a box body 1, a mounting box 2 is communicated with one side surface of the box body 1, a limiting cylinder 3 is fixed in the mounting box 2, a dry powder fire extinguisher 4 is slidably mounted in the limiting cylinder 3, a mounting component 5 for clamping the dry powder fire extinguisher 4 is arranged in the mounting box 2, a control switch 6 is mounted on the dry powder fire extinguisher 4, a mounting frame 7 is fixed on the outer surface of the dry powder fire extinguisher 4, a spray nozzle 8 is communicated with the control switch 6 and fixed in the middle of the mounting frame 7, a pin pulling mechanism 9 is arranged in the mounting box 2, a pressing mechanism 10 for extruding the control switch 6 is arranged in the mounting box 2, a rectangular frame 11 is fixed in the box body 1, three dry sand bags 12 are equidistantly arranged in the rectangular frame 11, a filter hole 13 is arranged on the rectangular frame 11, a secondary fire extinguishing mechanism 14 for penetrating the dry sand bags 12 is arranged in the box body 1, the box body 1 is provided with a control device 15; the pin pulling mechanism 9 comprises a servo motor 901 fixed on one side surface of the mounting box 2, a worm 902 is fixed on an output shaft end of the servo motor 901, a thread groove is formed on the outer surface of the worm 902, a rectangular block 903 is in threaded connection with the outer surface of the thread groove, a connecting strip 904 is fixed on one side surface of the rectangular block 903, a safety pin 905 is fixed on one side surface of the connecting strip 904, the safety pin 905 is inserted in the control switch 6, the pressing mechanism 10 comprises a worm wheel 1001 in meshed connection with the outer surface of the worm 902, a first threaded rod 1002 is fixed at the axis of the worm wheel 1001, both ends of the first threaded rod 1002 are rotatably connected with the inner wall of the mounting box 2 through bearings, an elevating block 1003 is in threaded connection with the outer surface of the first threaded rod 1002, a pressing frame 1004 is fixed on one side surface of the elevating block 1003, a pressing block 1005 is fixed on the control switch 6, the pressing block 1005 is matched with the size of the pressing frame 1004, a limit groove 1006 is formed on one side wall of the mounting box 2, a limiting disc 1007 is fixed on one side surface of the lifting block 1003, and the limiting disc 1007 slides in the limiting groove 1006; a cross bar 17 is fixed in the mounting box 2, a sliding block 18 is fixed on one side surface of the rectangular block 903, and the sliding block 18 slides on the outer surface of the cross bar 17.
In the invention, after the servo motor 901 is started, the worm 902 is driven to rotate, the rectangular block 903 is driven to move rightwards by matching with the limiting action of the cross bar 17 and the sliding block 18, the connecting bar 904 and the safety pin 905 move together, the safety pin 905 is pulled out from the control switch 6, the limitation of the control switch 6 is removed, when the worm 902 rotates, the worm wheel 1001 is also driven to rotate, so as to drive the first threaded rod 1002 to rotate, as the limit disc 1007 slides in the limit groove 1006, the lifting block 1003 and the pressing frame 1004 are driven to move downwards, the pressing frame 1004 presses the pressing block 1005 and the control switch 6, dry powder is sprayed out for extinguishing fire, can remove when the restriction to control switch 6, can also press control switch 6, make dry powder fire extinguisher 4 start by oneself, spout the dry powder, can be timely with the conflagration put out, it is comparatively convenient.
Example 5:
referring to fig. 1-12, an explosion-proof box with a fire extinguishing mechanism comprises a box body 1, a mounting box 2 is communicated with one side surface of the box body 1, a limiting cylinder 3 is fixed in the mounting box 2, a dry powder fire extinguisher 4 is slidably mounted in the limiting cylinder 3, a mounting assembly 5 for clamping the dry powder fire extinguisher 4 is arranged in the mounting box 2, a control switch 6 is mounted on the dry powder fire extinguisher 4, a mounting frame 7 is fixed on the outer surface of the dry powder fire extinguisher 4, a spray nozzle 8 is communicated with the control switch 6 and fixed in the middle of the mounting frame 7, a pin pulling mechanism 9 is arranged in the mounting box 2, a pressing mechanism 10 for extruding the control switch 6 is arranged in the mounting box 2, a rectangular frame 11 is fixed in the box body 1, three dry sand bags 12 are equidistantly arranged in the rectangular frame 11, a filter hole 13 is arranged on the rectangular frame 11, a secondary fire extinguishing mechanism 14 for penetrating the dry sand bags 12 is arranged in the box body 1, the control device 15 is arranged on the box body 1, the secondary fire extinguishing mechanism 14 comprises a sleeve 1401 rotatably connected in the box body 1 through a bearing, a first belt pulley 1402 is fixed on the outer surface of the sleeve 1401, a second belt pulley 1403 is fixed on the outer surface of the first threaded rod 1002, the first belt pulley 1402 is in transmission connection with the second belt pulley 1403 through a connecting belt 1404, a second threaded rod 1405 is connected with the inner thread of the sleeve 1401, a connecting plate 1406 is fixed at the bottom end of the second threaded rod 1405, the connecting plate 1406 is attached to the inner wall of the box body 1, puncture needles 1407 are fixed at the bottom of the connecting plate 1406, and the puncture needles 1407 penetrate through corresponding filter holes 13 in a sliding mode.
In the invention, when the first threaded rod 1002 rotates, the second pulley 1403 is also driven to rotate, the first pulley 1402 and the sleeve 1401 are driven to rotate through the transmission action of the connecting belt 1404, the connecting plate 1406 is attached to the inner wall of the box body 1, the second threaded rod 1405 and the connecting plate 1406 are further driven to move downwards, the puncture needle 1407 penetrates through the corresponding filter hole 13 downwards, the dry sand bag 12 is punctured, the dry sand flows out, secondary fire extinguishment is carried out, the servo motor 901 is controlled to rotate forwards and backwards through the PLC 1501, the puncture needle 1407 can ascend once after puncturing the dry sand bag 12, the dry sand flows out conveniently, on the basis of fire extinguishment through the fire extinguisher, the dry sand is added for secondary fire extinguishment, the fire extinguishment range is wider, and the fire extinguishment effect is better.
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 (10)

1. An explosion-proof box with a fire extinguishing mechanism comprises a box body (1) and is characterized in that a side face of the box body (1) is communicated with a mounting box (2), a limiting cylinder (3) is fixed in the mounting box (2), a dry powder fire extinguisher (4) is installed in the limiting cylinder (3) in a sliding mode, a mounting component (5) used for clamping the dry powder fire extinguisher (4) is arranged in the mounting box (2), a control switch (6) is installed on the dry powder fire extinguisher (4), a mounting frame (7) is fixed on the outer surface of the dry powder fire extinguisher (4), a spray nozzle (8) is communicated with the control switch (6) and fixed in the middle of the mounting frame (7), a pin pulling mechanism (9) is arranged in the mounting box (2), and a pressing mechanism (10) used for extruding the control switch (6) is arranged in the mounting box (2), the utility model discloses a dry sand box, including box (1), box (1) internal fixation has rectangle frame (11), the equidistance is equipped with three dry sand bag (12) in rectangle frame (11), filtration pore (13) have been seted up on rectangle frame (11), be provided with in box (1) and be used for pricking secondary fire extinguishing mechanism (14) of dry sand bag (12), be provided with controlling means (15) on box (1).
2. The explosion-proof box with the fire extinguishing mechanism according to claim 1, characterized in that the mounting assembly (5) comprises a bidirectional screw rod (501) rotatably connected in a mounting box (2) through a bearing, two moving blocks (502) are symmetrically and threadedly connected to the outer surface of the bidirectional screw rod (501), a connecting rod (503) is fixed to one side of each moving block (502), an arc-shaped fixing piece (504) is fixed to one end of each connecting rod (503), a limiting rod (505) is fixed in the mounting box (2), and the moving blocks (502) slide on the outer surface of the limiting rod (505).
3. The explosion-proof box with the fire extinguishing mechanism is characterized in that the pin pulling mechanism (9) comprises a servo motor (901) fixed on one side face of the mounting box (2), an output shaft end of the servo motor (901) is fixedly provided with a worm (902), the outer surface of the worm (902) is provided with a thread groove, the outer surface of the thread groove is in threaded connection with a rectangular block (903), one side face of the rectangular block (903) is fixedly provided with a connecting strip (904), one side face of the connecting strip (904) is fixedly provided with a safety pin (905), and the safety pin (905) is inserted into the control switch (6).
4. Explosion-proof tank with fire extinguishing mechanism according to claim 3, characterized in that the pressing mechanism (10) comprises a worm wheel (1001) which is in meshed connection with the outer surface of the worm (902), a first threaded rod (1002) is fixed at the axis of the worm wheel (1001), two ends of the first threaded rod (1002) are rotationally connected with the inner wall of the mounting box (2) through bearings, the outer surface of the first threaded rod (1002) is in threaded connection with a lifting block (1003), a pressing frame (1004) is fixed on one side surface of the lifting block (1003), a pressing block (1005) is fixed on the control switch (6), the size of the pressing block (1005) is matched with that of a pressing frame (1004), spacing groove (1006) have been seted up to a lateral wall of mounting box (2), a side of elevator (1003) is fixed with spacing dish (1007), spacing dish (1007) slide in spacing groove (1006).
5. Explosion-proof tank with fire extinguishing mechanism according to claim 4, characterized in that the secondary fire extinguishing mechanism (14) comprises a sleeve (1401) rotatably connected in the tank (1) by a bearing, a first belt pulley (1402) is fixed on the outer surface of the sleeve (1401), a second belt pulley (1403) is fixed on the outer surface of the first threaded rod (1002), the first belt pulley (1402) is in transmission connection with the second belt pulley (1403) through a connecting belt (1404), a second threaded rod (1405) is connected with the sleeve (1401) through internal threads, a connecting plate (1406) is fixed at the bottom end of the second threaded rod (1405), the connecting plate (1406) is attached to the inner wall of the box body (1), puncture needles (1407) are fixed to the bottom of the connecting plate (1406), and the puncture needles (1407) penetrate through the corresponding filter holes (13) in a sliding mode.
6. The explosion-proof box with the fire extinguishing mechanism according to claim 3, wherein the control device (15) comprises a PLC controller (1501) fixed on one side surface of the mounting box (2), a smoke sensor (1502) is fixed in the mounting box (2), and the PLC controller (1501) is electrically connected with the smoke sensor (1502) and the servo motor (901).
7. The explosion-proof box with the fire extinguishing mechanism according to claim 2 is characterized in that one end of the bidirectional screw rod (501) extends to the outside of the mounting box (2) and is fixed with a knob (16), and the outer surface of the knob (16) is provided with anti-skid grains.
8. The explosion-proof box with the fire extinguishing mechanism according to claim 3 is characterized in that a cross bar (17) is fixed in the mounting box (2), a sliding block (18) is fixed on one side surface of the rectangular block (903), and the sliding block (18) slides on the outer surface of the cross bar (17).
9. The explosion-proof box with the fire extinguishing mechanism according to claim 1 is characterized in that a sliding door (19) is hinged to one side of the mounting box (2) through a hinge, and a handle is fixed on the sliding door (19).
10. Use of an explosion proof tank with fire extinguishing mechanism according to any one of claims 1 to 9, characterized by the steps of:
s1: installation: the box door is opened, the dry sand bags (12) are respectively placed in three compartment areas in the rectangular frame (11), the dry powder fire extinguisher (4) is placed in the limiting cylinder (3) and kept horizontal and vertical, the dry powder fire extinguisher (4) is preliminarily installed, the installation rack (7) and the spray nozzle (8) are aligned to an electric appliance installed in the box body (1), meanwhile, the knob (16) is screwed, the knob (16) drives the bidirectional screw rod (501) to rotate, and the two moving blocks (502) are driven to move towards the middle due to the fact that the moving blocks (502) slide on the outer surface of the limiting rod (505), so that the two connecting rods (503) and the arc fixing pieces (504) move towards the middle along with each other, the arc fixing pieces (504) are utilized to clamp the dry powder fire extinguisher (4), and installation of the dry powder fire extinguisher (4) is completed;
s2: automatic control: when the box body (1) catches fire due to circuit problems, the smoke sensor (1502) senses smoke and transmits signals to the PLC (1501), and the PLC (1501) controls the servo motor (901) to be started;
s3: use of: after servo motor (901) opened, drive worm (902) and rotate, the limiting displacement of cooperation horizontal pole (17) and slider (18), drive rectangular block (903) and move right, make connecting strip (904) and safety pin (905) follow and move together, make safety pin (905) extract from control switch (6), the restriction of removing control switch (6), when worm (902) rotated, also can drive worm wheel (1001) and rotate, thereby drive first threaded rod (1002) and rotate, because spacing dish (1007) slide in spacing groove (1006), and then drive elevator block (1003) and press frame (1004) and move down, make and press frame (1004) to press according to briquetting (1005) and control switch (6), spout dry powder, put out a fire:
s4: secondary fire extinguishing: when the first threaded rod (1002) rotates, the second belt pulley (1403) is also driven to rotate, the first belt pulley (1402) and the sleeve (1401) are driven to rotate through the transmission effect of the connecting belt (1404), the connecting plate (1406) is attached to the inner wall of the box body (1), the second threaded rod (1405) and the connecting plate (1406) are further driven to move downwards, the puncture needle (1407) penetrates through the corresponding filter hole (13) downwards, the dry sand bag (12) is punctured, dry sand flows out, secondary fire extinguishment is conducted, the servo motor (901) is controlled to rotate positively and negatively through the PLC (1501), the puncture needle (1407) can ascend once after puncturing the dry sand bag (12), and dry sand flows out conveniently.
CN202210879314.8A 2022-07-25 2022-07-25 Explosion-proof box with fire extinguishing mechanism and installation method thereof Pending CN115102049A (en)

Priority Applications (1)

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CN202210879314.8A CN115102049A (en) 2022-07-25 2022-07-25 Explosion-proof box with fire extinguishing mechanism and installation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210879314.8A CN115102049A (en) 2022-07-25 2022-07-25 Explosion-proof box with fire extinguishing mechanism and installation method thereof

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CN115102049A true CN115102049A (en) 2022-09-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117298488A (en) * 2023-11-28 2023-12-29 江苏高泰电气有限公司 Power distribution cabinet installs fireproof structure additional

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117298488A (en) * 2023-11-28 2023-12-29 江苏高泰电气有限公司 Power distribution cabinet installs fireproof structure additional

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