CN113922257A - Low-voltage power distribution cabinet with fireproof function and use method - Google Patents
Low-voltage power distribution cabinet with fireproof function and use method Download PDFInfo
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- CN113922257A CN113922257A CN202111389029.XA CN202111389029A CN113922257A CN 113922257 A CN113922257 A CN 113922257A CN 202111389029 A CN202111389029 A CN 202111389029A CN 113922257 A CN113922257 A CN 113922257A
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- 238000000034 method Methods 0.000 title claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011521 glass Substances 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 244000309464 bull Species 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 9
- 206010000369 Accident Diseases 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000002516 radical scavenger Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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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
- H02B1/56—Cooling; Ventilation
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- 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
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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
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of low-voltage power distribution cabinets, and discloses a low-voltage power distribution cabinet with a fireproof function, which comprises a power distribution cabinet, the two sides of the upper side of the left side wall of the power distribution cabinet are respectively provided with an air exchange fan, the outer wall of the power distribution cabinet is provided with a first fire extinguishing device, a second fire extinguishing device and a third fire extinguishing device, the first fire extinguishing device comprises a first fire extinguishing agent box which is arranged at the top end of the power distribution cabinet, the lower side of the first fire extinguishing agent box is connected with a first connecting pipe, the lower side of the first connecting pipe penetrates through the top wall of the power distribution cabinet and is connected with an alcohol glass pipe, the second fire extinguishing device comprises a fire source detection module, a universal spray head, a second connecting pipe and a second fire extinguishing agent box, the fire source detection module is arranged on the inner wall of the power distribution cabinet, and the universal nozzle is arranged on the front side of the power distribution cabinet.
Description
Technical Field
The invention belongs to the technical field of low-voltage power distribution cabinets, and particularly relates to a low-voltage power distribution cabinet with a fire-proof function.
Background
The low-voltage complete switch equipment and control equipment are commonly called low-voltage switch cabinets and low-voltage distribution cabinets, and refer to complete sets of electric devices with alternating-current and direct-current voltages below 1000V, and a distribution system with the rated current of the low-voltage distribution cabinet being 50Hz and the rated voltage being 380V is used for power, illumination and electric energy conversion and control of distribution. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriousness and practicability, novel structure and the like.
When a fault occurs in the use process of the existing low-voltage power distribution cabinet, sparks are easily generated to cause naked fire, and the power distribution cabinet is in an unattended state when in use, and once the power distribution cabinet catches fire due to external action or internal factors, if the power distribution cabinet is not timely rescued, the main power supply is easily dragged to generate a chain power-off reaction, so that the low-voltage power distribution cabinet with the fire prevention function is provided.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the low-voltage power distribution cabinet with the fireproof function, which effectively solves the problems that when the conventional low-voltage power distribution cabinet breaks down in the using process, sparks are easily generated to cause naked fire, and because the power distribution cabinet is in an unattended state when in use, once the power distribution cabinet catches fire due to external action or internal factors, the main power supply is very easily dragged to generate a power-off interlocking reaction due to untimely rescue.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low-voltage distribution cabinet with fire prevention function, includes the switch board, the scavenger fan is all installed to the upside both sides of switch board left side wall, first extinguishing device, second extinguishing device and third extinguishing device are installed to the outer wall of switch board.
Preferably, first extinguishing device includes first fire extinguishing agent case, first fire extinguishing agent case is installed on the top of switch board, the downside of first fire extinguishing agent case is connected with first connecting pipe, the downside of first connecting pipe runs through the roof of switch board and is connected with the alcohol glass pipe.
Preferably, the second extinguishing device includes fire source detection module, universal shower nozzle, second connecting pipe and second fire extinguishing agent case, fire source detection module installs in the inner wall of switch board, universal shower nozzle is installed in the front side of switch board, the left side of second connecting pipe is connected with universal shower nozzle, the right side of second connecting pipe is connected with second fire extinguishing agent case, second fire extinguishing agent case is installed in the right side wall of switch board.
Preferably, the third extinguishing device includes two sets of guide rails and motor, and is two sets of the guide rail is all installed in the left side of switch board, and is two sets of the guide rail is the mirror image setting, and is two sets of the upside that the end was looked mutually to the guide rail is connected with first bull stick, and is two sets of the side of looking mutually of guide rail is provided with the baffle, the outer wall connection of first bull stick has first connecting wire, the bottom of first connecting wire is connected with the top of baffle, the motor is installed in the rear side wall of switch board inner chamber, the transmission end of motor is connected with the second bull stick, the outer wall connection of second bull stick has the second connecting wire, the upper end of second connecting wire is connected with the outer wall of first bull stick.
Preferably, the upper side wall of switch board is connected with the second backup pad, the front end of second backup pad is connected with the action bars, the second connecting wire is located the right side of action bars.
Preferably, the right side of the fire source detection module is connected with a high-temperature isolation power line, and the right side of the high-temperature isolation power line is connected with a main power switch.
Preferably, an action plate is arranged on the left side of the baffle plate, and the left side of the action plate is obliquely arranged.
Preferably, the four corners of switch board all is connected with the universal wheel, the left and right sides of switch board all is connected with first backup pad, both sides all are connected with the screw rod around the first backup pad, the downside of screw rod is connected with the base.
A use method of a low-voltage power distribution cabinet with a fireproof function comprises the following steps:
s1, when the device is used specifically, an electrical device is placed inside a power distribution cabinet, a ventilation fan is started, air in an inner cavity of the power distribution cabinet is converted through the ventilation fan, hot air in the power distribution cabinet is guided out of the inner cavity of the power distribution cabinet through the upper ventilation fan, and outside air is discharged into the power distribution cabinet through the lower ventilation fan, so that the fire phenomenon caused by overhigh temperature of the power distribution cabinet is avoided, the device is lifted before use, a screw is rotated, a base is driven to move up and down through the screw, the device is supported after the base moves down, the power distribution cabinet is separated from the ground, the ground is prevented from being wetted when the power distribution cabinet contacts the ground, and the power distribution cabinet is subjected to fire;
s2, when a tiny fire disaster occurs in the power distribution cabinet, the fire disaster position is detected through the fire disaster detection module, meanwhile, a signal of the fire disaster occurring in the power distribution cabinet is transmitted to the main power switch through the high-temperature isolation power line, the main power switch is turned off, the power failure of the electric device in the inner cavity of the power distribution cabinet is realized by turning off the main power switch, the larger fire accident is avoided, the universal nozzle is aligned to the fire disaster part, the dry powder agent in the second fire extinguishing agent box is sprayed out through the universal nozzle, and the fire disaster part is sprayed out, so that the fire extinguishing effect is achieved;
s3, when the fire source in the inner cavity of the power distribution cabinet is large in use, the fire source raises the temperature of the alcohol glass tube, so that the alcohol glass tube is broken, the alcohol glass tube is a glass tube with alcohol arranged inside, when the temperature is high outside, the alcohol inside is evaporated, so that the glass tube is burst, and at the moment, the fire extinguishing agent in the first fire extinguishing agent box is sprayed into the inner cavity of the power distribution cabinet through the first connecting tube to perform covering type fire extinguishing on the fire source in the power distribution cabinet;
s4, need the starter motor in the scavenger fan usual use, it is rotatory so that make the cladding of second connecting wire in the outer wall of second bull stick to drive the second bull stick through the motor, and leave in the second connecting wire of first bull stick through the cladding, this process can make the second connecting wire drive first bull stick rotatory, the upside cladding that drives first connecting wire through first bull stick rotation in the outside of first bull stick, the downside of first connecting wire drives the baffle rebound simultaneously, make the baffle keep away from first connecting wire, and can burn the second connecting wire when the great fire source takes place for the switch board inner chamber, thereby make first bull stick rotate under the drive of baffle weight, thereby make first connecting wire break away from first bull stick, the baffle lapse simultaneously is with switch board overall seal, and then reach the fire extinguishing effect.
Compared with the prior art, the invention has the beneficial effects that:
1. the fire extinguishing device is arranged to extinguish a large fire source in the power distribution cabinet, and a fire extinguishing agent in the first fire extinguishing agent box is sprayed into an inner cavity of the power distribution cabinet through the first connecting pipe to extinguish the fire source in the power distribution cabinet in a covering manner;
2. the fire extinguishing device is arranged to extinguish tiny fire in the power distribution cabinet, the fire position is detected through the fire source detection module, meanwhile, a signal of fire in the power distribution cabinet is transmitted to the main power switch through the high-temperature isolation power line, the main power switch is turned off, and the power of an electric device in the inner cavity of the power distribution cabinet is cut off by turning off the main power switch, so that a larger fire accident is avoided;
3. the power distribution cabinet can be integrally sealed by arranging the third fire extinguishing device, so that a fire extinguishing effect is achieved, when a larger fire source occurs in the inner cavity of the power distribution cabinet, the second connecting wire can be blown, the first rotating rod is driven by the weight of the baffle to rotate, the first connecting wire is separated from the first rotating rod, and meanwhile, the baffle moves downwards to integrally seal the power distribution cabinet, so that the fire extinguishing effect is achieved;
4. the small fire disaster generated in the power distribution cabinet can be extinguished by the second fire extinguishing device, the fire source part is aligned to the universal spray head, and the second fire extinguishing agent is sprayed out of the dry powder agent in the fire extinguishing agent box through the universal spray head, so that the fire extinguishing effect is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a second fire suppression apparatus according to the present invention;
fig. 3 is a schematic structural view of a third fire extinguishing apparatus according to the present invention.
In the figure: 100. a power distribution cabinet; 101. a universal wheel; 102. a first support plate; 103. a screw; 104. a base; 110. a ventilator; 200. a first fire extinguishing device; 210. a first fire suppressant tank; 220. a first connecting pipe; 230. an alcohol glass tube; 300. a second fire extinguishing device; 310. a fire source detection module; 320. a universal nozzle; 330. a second connecting pipe; 340. a second fire suppressant tank; 350. a high temperature isolated power line; 360. A main power switch; 400. a third fire extinguishing device; 410. a guide rail; 420. a first rotating lever; 430. a baffle plate; 431. an action plate; 440. a first connecting line; 450. a motor; 460. a second rotating rod; 470. a second connecting line; 480. a second support plate; 490. an action rod.
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. 1-3, a low-voltage distribution cabinet with fire prevention function includes a distribution cabinet 100, wherein both sides of the upper side of the left side wall of the distribution cabinet 100 are provided with ventilation fans 110, and the outer wall of the distribution cabinet 100 is provided with a first fire extinguishing apparatus 200, a second fire extinguishing apparatus 300 and a third fire extinguishing apparatus 400.
Referring to fig. 1 to 3, the first fire extinguishing apparatus 200 includes a first fire extinguishing agent tank 210, the first fire extinguishing agent tank 210 is installed at the top end of the power distribution cabinet 100, a first connection pipe 220 is connected to the lower side of the first fire extinguishing agent tank 210, the lower side of the first connection pipe 220 penetrates through the top wall of the power distribution cabinet 100 and is connected to an alcohol glass tube 230, the alcohol glass tube 230 is a glass tube with alcohol placed inside, when the outside has high temperature, the alcohol inside evaporates to burst the glass tube, the first fire extinguishing apparatus 200 is arranged to extinguish a large fire source inside the power distribution cabinet 100, the fire extinguishing agent in the first fire extinguishing agent tank 210 is sprayed into the inner cavity of the power distribution cabinet 100 through the first connection pipe 220 to extinguish a fire source in the power distribution cabinet 100 in a covering manner, the second fire extinguishing apparatus 300 includes a fire source detection module 310, a universal nozzle 320, a second connection pipe 330 and a second fire extinguishing agent tank 340, the fire source detection module 310 is installed on the inner wall of the power distribution cabinet 100, the universal nozzle 320 is installed on the front side of the power distribution cabinet 100, the left side of the second connection pipe 330 is connected with the universal nozzle 320, the right side of the second connection pipe 330 is connected with the second fire extinguishing agent box 340, the second fire extinguishing agent box 340 is installed on the right side wall of the power distribution cabinet 100, a tiny fire disaster occurring inside the power distribution cabinet 100 can be extinguished by arranging the second fire extinguishing device 300, the fire disaster position is detected by the fire source detection module 310, meanwhile, a signal of the fire disaster occurring inside the power distribution cabinet 100 is transmitted to the main power switch 360 through the high-temperature isolation power line 350, the main power switch 360 is turned off, the power failure of the electric device in the inner cavity of the power distribution cabinet 100 is carried out by turning off the main power switch 360, so as to avoid causing a larger fire accident, the third fire extinguishing device 400 comprises two sets of guide rails 410 and a motor 450, and the two sets of guide rails 410 are both installed on the left side of the power distribution cabinet 100, the two groups of guide rails 410 are arranged in a mirror image manner, the upper side of the viewing end of the two groups of guide rails 410 is connected with a first rotating rod 420, the viewing side of the two groups of guide rails 410 is provided with a baffle 430, the outer wall of the first rotating rod 420 is connected with a first connecting wire 440, the bottom end of the first connecting wire 440 is connected with the top end of the baffle 430, the motor 450 is arranged on the rear side wall of the inner cavity of the power distribution cabinet 100, the transmission end of the motor 450 is connected with a second rotating rod 460, the outer wall of the second rotating rod 460 is connected with a second connecting wire 470, the upper end of the second connecting wire 470 is connected with the outer wall of the first rotating rod 420, the power distribution cabinet 100 can be integrally sealed by arranging a third fire extinguishing device 400, so that a fire extinguishing effect is achieved, when a larger fire source occurs in the inner cavity of the power distribution cabinet 100, the second connecting wire 470 can be burnt off, so that the first rotating rod 420 rotates under the weight of the baffle 430, and the first connecting wire 440 is separated from the first rotating rod 420, meanwhile, the baffle 430 moves downwards to seal the whole power distribution cabinet 100, so as to achieve a fire extinguishing effect, the upper side wall of the power distribution cabinet 100 is connected with a second support plate 480, the front end of the second support plate 480 is connected with an action rod 490, a second connecting wire 470 is positioned at the right side of the action rod 490, the second connecting wire 470 is limited by arranging the action rod 490, the second connecting wire 470 is prevented from contacting the power distribution cabinet 100 in the operation process and further generating a wear effect, the right side of the fire source detection module 310 is connected with a high-temperature isolation power wire 350, the right side of the high-temperature isolation power wire 350 is connected with a main power switch 360, the high-temperature isolation power wire 350 is matched with the fire source detection module 310 to send a signal to the main power switch 360, so that an electric device in the inner cavity of the power distribution cabinet 100 is powered off by closing the main power switch 360, so as to avoid causing a larger fire accident, the action plate 431 is arranged at the left side of the baffle 430, the left side that acts on board 431 is the slope setting, can block outside rainwater and sunshine through setting up the acting board 431, avoid rainwater dew etc. to get into the 100 inner chambers of switch board, the four corners of switch board 100 all is connected with universal wheel 101, the left and right sides of switch board 100 all is connected with first backup pad 102, both sides all are connected with screw rod 103 around first backup pad 102, the downside of screw rod 103 is connected with base 104, cooperate with base 104 through setting up screw rod 103, make switch board 100 break away from ground, avoid switch board 100 to contact ground and make ground produce moist phenomenon, thereby make switch board 100 take place the conflagration.
The working principle is as follows: when the scheme of the invention is implemented specifically, the device places an electrical device inside the power distribution cabinet 100 when in specific use, starts the ventilator 110, converts air in the inner cavity of the power distribution cabinet 100 through the ventilator 110, guides hot air in the power distribution cabinet 100 out of the inner cavity of the power distribution cabinet 100 through the ventilator 110 at the upper side, and discharges external air into the power distribution cabinet 100 through the ventilator 110 at the lower side, so as to avoid the fire phenomenon caused by overhigh temperature of the power distribution cabinet 100, lifts the device before use, rotates the screw 103, drives the base 104 to move up and down through the screw 103, supports the device after the base 104 moves down, so as to separate the power distribution cabinet 100 from the ground, and avoids the ground from being wetted by the power distribution cabinet 100 contacting the ground, so that the power distribution cabinet 100 is in fire, when a tiny fire occurs in the power distribution cabinet 100, the fire position is detected through the fire source detection module 310, meanwhile, a signal of fire in the power distribution cabinet 100 is transmitted to the main power switch 360 through the high-temperature isolation power line 350, the main power switch 360 is turned off, the electric device in the inner cavity of the power distribution cabinet 100 is powered off by turning off the main power switch 360, and a larger fire accident is avoided, the universal spray head 320 is aligned to the fire source part, and the dry powder agent in the second fire extinguishing agent box 340 is sprayed out through the universal spray head 320, so that the fire source part is sprayed out, thereby achieving the fire extinguishing effect, in the using process, when the fire source in the inner cavity of the power distribution cabinet 100 is larger, the fire source raises the temperature of the alcohol glass tube 230, so that the alcohol glass tube 230 is cracked, the alcohol glass tube 230 is a glass tube with alcohol placed inside, when high temperature exists outside, the alcohol inside evaporates, so that the glass tube is cracked, at the moment, the fire extinguishing agent in the first fire extinguishing agent box 210 is sprayed into the inner cavity of the power distribution cabinet 100 through the first connecting tube 220, when the fire source in the power distribution cabinet 100 is extinguished in a covering manner, the ventilator 110 needs to start the motor 450 during normal use, the motor 450 drives the second rotating rod 460 to rotate, so that the second connecting wire 470 is wrapped on the outer wall of the second rotating rod 460, and leaves the first rotating rod 420 through the second connecting wire 470 wrapped on the first rotating rod 420, in this process, the second connecting wire 470 drives the first rotating rod 420 to rotate, the first rotating rod 420 rotates to drive the upper side of the first connecting wire 440 to wrap on the outer side of the first rotating rod 420, meanwhile, the lower side of the first connecting wire 440 drives the baffle 430 to move upwards, so that the baffle 430 is far away from the first connecting wire 440, when a larger fire source occurs in the cavity of the power distribution cabinet 100, the second connecting wire 470 is blown, so that the first rotating rod 420 rotates under the driving of the weight of the baffle 430, so that the first connecting wire 440 is separated from the first rotating rod 420, and the baffle 430 moves downwards to seal the power distribution cabinet 100 integrally, thereby achieving the fire extinguishing effect.
It should be noted that, in this document, relational terms such as first and second, and the like are 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, and the terms "comprise", "include", 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, and the terms "mount", "connect", or "connect" should be interpreted broadly unless expressly specified or limited to the contrary and may be fixed or removable, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.
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 (9)
1. The utility model provides a low-voltage distribution cabinet with fire prevention function which characterized in that: including switch board (100), scavenger fan (110) are all installed to the upside both sides of switch board (100) left side wall, first extinguishing device (200), second extinguishing device (300) and third extinguishing device (400) are installed to the outer wall of switch board (100).
2. The low-voltage distribution cabinet with the fireproof function according to claim 1, characterized in that: first extinguishing device (200) include first fire extinguishing agent case (210), install on the top of switch board (100) first fire extinguishing agent case (210), the downside of first fire extinguishing agent case (210) is connected with first connecting pipe (220), the downside of first connecting pipe (220) runs through the roof of switch board (100) and is connected with alcohol glass pipe (230).
3. The low-voltage distribution cabinet with the fireproof function according to claim 1, characterized in that: the second fire extinguishing device (300) comprises a fire source detection module (310), a universal nozzle (320), a second connecting pipe (330) and a second fire extinguishing agent box (340), the fire source detection module (310) is installed on the inner wall of the power distribution cabinet (100), the universal nozzle (320) is installed on the front side of the power distribution cabinet (100), the left side of the second connecting pipe (330) is connected with the universal nozzle (320), the right side of the second connecting pipe (330) is connected with the second fire extinguishing agent box (340), and the second fire extinguishing agent box (340) is installed on the right side wall of the power distribution cabinet (100).
4. The low-voltage distribution cabinet with the fireproof function according to claim 1, characterized in that: the third fire extinguishing device (400) comprises two groups of guide rails (410) and a motor (450), the two groups of guide rails (410) are arranged on the left side of the power distribution cabinet (100), the two groups of guide rails (410) are arranged in a mirror image mode, the upper sides of the viewing ends of the two groups of guide rails (410) are connected with first rotating rods (420), the viewing sides of the two groups of guide rails (410) are provided with baffles (430), the outer wall of the first rotating rod (420) is connected with a first connecting line (440), the bottom end of the first connecting line (440) is connected with the top end of the baffle plate (430), the motor (450) is arranged on the rear side wall of the inner cavity of the power distribution cabinet (100), the transmission end of the motor (450) is connected with a second rotating rod (460), the outer wall of the second rotating rod (460) is connected with a second connecting line (470), and the upper end of the second connecting line (470) is connected with the outer wall of the first rotating rod (420).
5. The low-voltage distribution cabinet with the fireproof function according to claim 4, wherein: the upper side wall of switch board (100) is connected with second backup pad (480), the front end of second backup pad (480) is connected with effect pole (490), second connecting wire (470) are located the right side of effect pole (490).
6. The low-voltage distribution cabinet with the fireproof function according to claim 3, wherein: the right side of the fire source detection module (310) is connected with a high-temperature isolation power line (350), and the right side of the high-temperature isolation power line (350) is connected with a main power switch (360).
7. The low-voltage distribution cabinet with the fireproof function according to claim 3, wherein: an action plate (431) is arranged on the left side of the baffle (430), and the left side of the action plate (431) is obliquely arranged.
8. The low-voltage distribution cabinet with the fireproof function according to claim 3, wherein: the four corners of switch board (100) all is connected with universal wheel (101), the left and right sides of switch board (100) all is connected with first backup pad (102), both sides all are connected with screw rod (103) around first backup pad (102), the downside of screw rod (103) is connected with base (104).
9. Use method of a low-voltage distribution cabinet with fire-protection function according to claims 1-8, characterized in that:
s1, when the device is used specifically, an electrical device is placed inside a power distribution cabinet (100), a ventilation fan (110) is started, air in the inner cavity of the power distribution cabinet (100) is converted through the ventilation fan (110), hot air in the power distribution cabinet (100) is guided out of the inner cavity of the power distribution cabinet (100) through the upper ventilation fan (110), and outside air is discharged into the power distribution cabinet (100) through the lower ventilation fan (110), so that the fire phenomenon caused by overhigh temperature of the power distribution cabinet (100) is avoided, the device is lifted before use, a screw rod (103) is rotated, a base (104) is driven to move up and down through the screw rod (103), the device is supported after the base (104) moves down, the power distribution cabinet (100) is separated from the ground, the ground is prevented from being contacted with the power distribution cabinet (100), so that the ground generates a damp phenomenon, and the power distribution cabinet (100) is in fire;
s2, when a tiny fire disaster occurs in the power distribution cabinet (100), the fire disaster position is detected through the fire disaster detection module (310), meanwhile, a signal of the fire disaster occurring in the power distribution cabinet (100) is transmitted to the main power switch (360) through the high-temperature isolation power line (350), the main power switch (360) is turned off, the power failure of an electric device in the inner cavity of the power distribution cabinet (100) is realized by turning off the main power switch (360), the larger fire accident is avoided, the universal nozzle (320) is aligned to the fire disaster part, the dry powder agent in the second fire extinguishing agent box (340) is sprayed out through the universal nozzle (320), and the fire disaster part is sprayed out, so that the fire extinguishing effect is achieved;
s3, when the fire source in the inner cavity of the power distribution cabinet (100) is large in use, the temperature of the alcohol glass tube (230) is increased by the fire source, so that the alcohol glass tube (230) is broken, the alcohol glass tube (230) is a glass tube with alcohol placed inside, when the outside has high temperature, the alcohol inside the alcohol glass tube evaporates, so that the glass tube is burst, at the moment, the fire extinguishing agent in the first fire extinguishing agent box (210) is sprayed into the inner cavity of the power distribution cabinet (100) through the first connecting pipe (220), and coverage fire extinguishing is carried out on the fire source in the power distribution cabinet (100);
s4, the ventilator (110) needs to start the motor (450) in the normal use process, the motor (450) drives the second rotating rod (460) to rotate, so that the second connecting wire (470) is wrapped on the outer wall of the second rotating rod (460), and leaves the first rotating rod (420) through the second connecting wire (470) wrapped on the first rotating rod (420), in the process, the second connecting wire (470) drives the first rotating rod (420) to rotate, the upper side of the first connecting wire (440) is wrapped on the outer side of the first rotating rod (420) through the rotation of the first rotating rod (420), meanwhile, the lower side of the first connecting wire (440) drives the baffle (430) to move upwards, so that the baffle (430) is far away from the first connecting wire (440), and the second connecting wire (470) can be blown off when a larger fire source occurs in the inner cavity of the power distribution cabinet (100), so that the first rotating rod (420) rotates under the driving of the weight of the baffle (430), thereby make first connecting wire (440) break away from first bull stick (420), baffle (430) move down simultaneously with switch board (100) whole sealed, and then reach the fire extinguishing effect.
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| CN202111389029.XA CN113922257A (en) | 2021-11-22 | 2021-11-22 | Low-voltage power distribution cabinet with fireproof function and use method |
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| CN202111389029.XA CN113922257A (en) | 2021-11-22 | 2021-11-22 | Low-voltage power distribution cabinet with fireproof function and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118508282A (en) * | 2024-07-16 | 2024-08-16 | 福建水利电力职业技术学院 | Fault alarm device for monitoring power grid power distribution cabinet |
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