CN118508261A - Fireproof and dampproof power cabinet - Google Patents
Fireproof and dampproof power cabinet Download PDFInfo
- Publication number
- CN118508261A CN118508261A CN202311116495.XA CN202311116495A CN118508261A CN 118508261 A CN118508261 A CN 118508261A CN 202311116495 A CN202311116495 A CN 202311116495A CN 118508261 A CN118508261 A CN 118508261A
- Authority
- CN
- China
- Prior art keywords
- power cabinet
- electric power
- fixedly connected
- wall
- cabinet body
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract 2
- 239000004065 semiconductor Substances 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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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
- 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
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- 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
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- 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
- H02B1/30—Cabinet-type casings; 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- 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
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fireproof and moistureproof electric power cabinet, which comprises an electric power cabinet body, wherein a fireproof mechanism is arranged on the electric power cabinet body, the fireproof mechanism comprises a storage box fixedly connected to the upper end of the electric power cabinet body, a dry powder extinguishing agent is filled in the storage box, a pump box is fixedly connected to the side wall of the electric power cabinet body, a magnetic sliding plug is connected to the inner wall of the pump box in a sealing sliding manner, the interior of the pump box is divided into a pump liquid cavity and a pump air cavity by the magnetic sliding plug, a plurality of spray heads are fixedly connected to the inner top of the electric power cabinet body, the pump liquid cavity is communicated with the storage box through a liquid inlet pipe, and the pump liquid cavity is respectively communicated with a plurality of spray heads through a plurality of liquid supply pipes. According to the invention, when the interior of the electric power cabinet body is on fire, the temperature rises rapidly, and the temperature sensor can control the opening and closing of the first electromagnetic valve and the second electromagnetic valve through the PLC control circuit, so that the dry powder extinguishing agent in the storage box is sprayed into the interior of the electric power cabinet body to extinguish fire, the fire is avoided, and the safety performance is higher.
Description
Technical Field
The invention relates to the technical field of power cabinets, in particular to a fireproof and moistureproof power cabinet.
Background
The electric power cabinet is also called a control cabinet, components such as switch equipment, a measuring instrument, protection electrical equipment and auxiliary equipment are assembled in a closed or semi-closed metal cabinet according to electric wiring requirements, the arrangement of the components is required to meet the requirements of normal operation of an electric power system, the electric power cabinet generally comprises a cabinet shell and a cabinet door, the cabinet shell and the cabinet door are surrounded to form a cabinet body for placing the electric power components, and in order to ensure normal use of the electric power components and prolong the service life of the electric power components, the cabinet door is required to be opened periodically to overhaul the electric power components.
The current electric power cabinet is in order to make things convenient for its inside power equipment to dispel the heat in the use, can set up the ventilation hole on electric power cabinet wall generally, and is convenient for inside ventilate and dispel the heat, and if meet humid weather, outside moist air also can enter into inside the electric power cabinet through the ventilation hole, moisture in the air can enter into in the power equipment to make the power equipment short circuit, make the power equipment damage, in addition, inside power equipment short circuit can take place the fire, has very big potential safety hazard.
Based on this, we propose a fire-proof and moisture-proof power cabinet.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a fireproof and moistureproof power cabinet.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a dampproofing electric power cabinet of fire prevention, includes the electric power cabinet body, install fire prevention mechanism on the electric power cabinet body, fire prevention mechanism includes the bin of fixed connection in electric power cabinet body upper end, the bin intussuseption is filled with dry powder fire extinguishing agent, electric power cabinet body lateral wall fixedly connected with pump box, sealed sliding connection of pump box inner wall has the magnetism sliding plug, the magnetism sliding plug divide into two parts of pump liquid chamber and pump air cavity with pump box inside, this internal top fixedly connected with of electric power cabinet a plurality of shower nozzles, pump liquid chamber communicates with the bin through feed liquor pipe, feed liquor pipe and feed liquor pipe inner wall all install first solenoid valve respectively with a plurality of shower nozzles, the through-hole has been seted up to pump liquid chamber inner wall, just the second solenoid valve is installed to the through-hole inner wall, temperature sensor is installed to electric power cabinet body inner wall, temperature sensor passes through PLC control circuit and is connected with first solenoid valve and second solenoid valve respectively, install dampproofing mechanism on the electric power cabinet body.
Further, the dampproofing mechanism of ventilation is including inlaying the air inlet box of establishing at electric power cabinet body lateral wall, air inlet box inner wall fixedly connected with filter screen, air inlet box inner wall fixedly connected with electric heating wire, pump air cavity inner wall fixedly connected with intake pipe, the air inlet box passes through air supply pipe and pump air cavity intercommunication, a plurality of inlet ports have been seted up to the air inlet box lateral wall.
Further, the inner walls of the liquid inlet pipe, the liquid supply pipe, the air inlet pipe and the air supply pipe are provided with one-way valves.
Further, a plurality of semiconductor refrigerating sheets are symmetrically embedded in the inner wall of the electric power cabinet body.
Further, the pump box is internally provided with a driving mechanism, the driving mechanism comprises a sliding block which is connected with the inner wall of the pump box in a sliding way, two push rods are symmetrically and fixedly connected with the upper end of the sliding block, the upper ends of the two push rods are fixedly connected with the lower end of the magnetic sliding plug, the bottom of the pump box is rotationally connected with a reciprocating screw rod, the side wall of the reciprocating screw rod is in threaded connection with the sliding block, the lower end of the pump box is fixedly connected with a motor, and the output end of the motor penetrates through the lower end of the pump box and is fixedly connected with the reciprocating screw rod.
Further, install clean mechanism in the inlet box, clean mechanism is including seting up the spout at the inlet box top, spout inner wall sliding connection has the orifice plate, spout inner wall fixedly connected with spring, the spring other end and orifice plate fixed connection, the orifice plate is close to the lateral wall fixedly connected with a plurality of thimble of filter screen.
Further, the cleaning mechanism further comprises an electromagnet fixedly connected to the inner wall of the chute, the side wall of the pore plate is fixedly connected with a magnetic block, an induction coil is embedded in the pump box, and the induction coil is connected with the electromagnet through a wire.
Further, a plurality of the ejector pins are arranged in one-to-one correspondence with meshes on the filter screen.
Further, the feed inlet has been seted up to the bin upper end, bin upper end rotation is connected with the baffle with feed inlet complex, the baffle other end passes through threaded rod and bin upper end fixed connection.
The invention has the following advantages:
1. Through setting up fire prevention mechanism, temperature sensor can the inside temperature of electric power cabinet body, when the inside fire of electric power cabinet body, and the temperature rises rapidly, and temperature sensor can be through the start and stop of PLC control circuit control first solenoid valve and second solenoid valve to spray into the inside fire extinguishing of electric power cabinet body with the dry powder extinguishing agent in the bin, avoid the conflagration, the security performance is higher.
2. Through setting up dampproofing mechanism of ventilation, when humid weather, the electric heater strip circular telegram can heat the inside air of entering electric power cabinet body, gets rid of moisture wherein to make the inside air of leading into electric power cabinet body keep dry, avoid humid air to make power equipment short circuit damage.
3. Through setting up the semiconductor refrigeration piece, can carry out quick heat dissipation cooling to the electric power cabinet body inside, avoid the inside high temperature of electric power cabinet body to make power equipment damage, simultaneously because the temperature of semiconductor refrigeration piece is lower, moisture in the air can preferentially condense on semiconductor refrigeration piece surface to effectual protection power equipment.
4. Through setting up the filter screen, can filter the inside air of entering into the electric power cabinet body, avoid the dust entering in the air for power equipment damages.
5. Through setting up clean mechanism, can clear up the dust in the filter screen mesh to avoid the filter screen mesh to be stopped up, make the filtration performance of filter screen decline.
Drawings
FIG. 1 is a schematic diagram of a fireproof and moistureproof power cabinet according to the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at C in fig. 3.
In the figure: the electric power cabinet comprises an electric power cabinet body, a storage box, a pump box 3, a magnetic sliding plug 4, a pump liquid cavity 401, a pump liquid cavity 402, a spray head 5, a liquid inlet pipe 6, a liquid supply pipe 7, a first electromagnetic valve 8, a through hole 9, a second electromagnetic valve 10, a temperature sensor 11, an air inlet box 12, a filter screen 13, an electric heating wire 14, an air inlet pipe 15, an air supply pipe 16, an air inlet hole 17, a semiconductor refrigerating sheet 18, a sliding block 19, a push rod 20, a reciprocating screw rod 21, a motor 22, a sliding chute 23, a pore plate 24, a spring 25, a thimble 26, an electromagnet 27, a magnetic block 28, an induction coil 29, a feed inlet 30 and a baffle 31.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1-4, a fire prevention dampproofing electric power cabinet, including electric power cabinet body 1, electric power cabinet body 1 lower extreme symmetry fixedly connected with support column, and support column lower extreme passes through expansion screw and ground fixed connection, install fire prevention mechanism on the electric power cabinet body 1, fire prevention mechanism includes the bin 2 of fixed connection at electric power cabinet body 1 upper end, the bin 2 intussuseption is filled with dry powder fire extinguishing agent, electric power cabinet body 1 lateral wall fixedly connected with pump box 3, the sealed sliding connection of pump box 3 inner wall has magnetism sliding plug 4, magnetism sliding plug 4 divide into pump box 3 inside pump liquid chamber 401 and pump air chamber 402 two parts, top fixedly connected with a plurality of shower nozzles 5 in the electric power cabinet body 1, pump liquid chamber 401 communicates with bin 2 through feed liquor pipe 6, feed liquor chamber 401 communicates with a plurality of shower nozzles 5 respectively through a plurality of feed liquor pipe 7, first solenoid valve 8 is all installed to feed liquor pipe 6 and feed liquor pipe 7 inner wall, through hole 9 inner wall has seted up through-hole 9, second solenoid valve 10, temperature sensor 11 is installed to electric power cabinet body 1 inner wall, temperature sensor 11 installs on the power cabinet body 1 inner wall has dampproofing mechanism through a plurality of solenoid valve 10 respectively with first solenoid valve 8, PLC is installed to the power cabinet 1.
Further, when the inside of the electric power cabinet body 1 fires, the temperature rises rapidly, and the temperature sensor 11 can control the opening and closing of the first electromagnetic valve 8 and the second electromagnetic valve 10 through the PLC control circuit, so that the dry powder extinguishing agent in the storage tank 2 is sprayed into the inside of the electric power cabinet body 1 to extinguish fire, the fire is avoided, and the safety performance is higher.
The first electromagnetic valve 8 is turned on and turned off, and the second electromagnetic valve 10 is turned on and turned off.
The ventilation dampproofing mechanism is including inlaying the air inlet box 12 of establishing at electric power cabinet body 1 lateral wall, air inlet box 12 inner wall fixedly connected with filter screen 13, air inlet box 12 inner wall fixedly connected with electric heating wire 14, pump air cavity 402 inner wall fixedly connected with intake pipe 15, air inlet box 12 communicates with pump air cavity 402 through air supply pipe 16, a plurality of inlet ports 17 have been seted up to air inlet box 12 lateral wall.
Further, in wet weather, the electric heating wire 14 is electrified to heat the air entering the electric power cabinet body 1, so that the moisture in the air is removed, the air entering the electric power cabinet body 1 is kept dry, and the electric power equipment is prevented from being damaged due to short circuit caused by the wet air.
The check valves are arranged on the inner walls of the liquid inlet pipe 6, the liquid supply pipe 7, the air inlet pipe 15 and the air supply pipe 16, and it is to be noted that the check valve arranged on the inner wall of the liquid inlet pipe 6 only allows the dry powder extinguishing agent in the storage tank 2 to enter the liquid pumping cavity 401, the check valve arranged on the inner wall of the liquid supply pipe 7 only allows the dry powder extinguishing agent in the liquid pumping cavity 401 to enter the spray head 5, the check valve arranged on the inner wall of the air inlet pipe 15 only allows the outside air to enter the air pumping cavity 402, and the check valve arranged on the inner wall of the air supply pipe 16 only allows the air in the air pumping cavity 402 to enter the air inlet tank 12.
The inner wall of the electric power cabinet body 1 is symmetrically embedded with a plurality of semiconductor refrigerating sheets 18, and it should be noted that the refrigerating surfaces of the semiconductor refrigerating sheets 18 are arranged towards the inside of the electric power cabinet body 1, and the heat release surfaces are arranged towards the outside of the electric power cabinet body 1.
The driving mechanism is installed in the pump box 3 and comprises a sliding block 19 which is connected to the inner wall of the pump box 3 in a sliding mode, two push rods 20 are symmetrically and fixedly connected to the upper end of the sliding block 19, the upper ends of the two push rods 20 are fixedly connected to the lower end of the magnetic sliding plug 4, a reciprocating screw 21 is rotatably connected to the inner bottom of the pump box 3, the side wall of the reciprocating screw 21 is in threaded connection with the sliding block 19, a motor 22 is fixedly connected to the lower end of the pump box 3, the output end of the motor 22 penetrates through the lower end of the pump box 3 and is fixedly connected with the reciprocating screw 21, and the side wall of the sliding block 19 abuts against the inner wall of the pump box 3, so that the sliding block 19 cannot rotate along with the reciprocating screw 21.
The cleaning mechanism is installed in the air inlet box 12 and comprises a chute 23 arranged at the inner top of the air inlet box 12, an orifice plate 24 is slidably connected to the inner wall of the chute 23, a spring 25 is fixedly connected to the inner wall of the chute 23, the other end of the spring 25 is fixedly connected with the orifice plate 24, a plurality of ejector pins 26 are fixedly connected to the side wall of the orifice plate 24, which is close to the filter screen 13, and the ejector pins 26 are in one-to-one correspondence with meshes on the filter screen 13.
The cleaning mechanism further comprises an electromagnet 27 fixedly connected to the inner wall of the chute 23, a magnetic block 28 is fixedly connected to the side wall of the pore plate 24, an induction coil 29 is embedded in the pump box 3, and the induction coil 29 is electrically connected with the electromagnet 27 through a wire.
The feed inlet 30 has been seted up to bin 2 upper end, and bin 2 upper end rotates to be connected with feed inlet 30 complex baffle 31, and baffle 31 other end passes through threaded rod and bin 2 upper end fixed connection, can be through feed inlet 30 case bin 2 internal replenishment dry powder fire extinguishing agent.
According to the invention, the motor 22 is started to drive the reciprocating screw rod 21 to rotate, so that the slide block 19 is driven to slide back and forth on the inner wall of the pump box 3, the slide block 19 drives the magnetic sliding plug 4 to slide back and forth on the inner wall of the pump box 3 through the push rod 20, external air can be pumped into the pump air cavity 402 through the air inlet pipe 15 under the action of the magnetic sliding plug 4, then the air in the pump air cavity 402 can enter the air inlet box 12 through the air supply pipe 16, the air in the air inlet box 12 flows from left to right, firstly the filter screen 13 can intercept dust in the air, then the air can enter the electric cabinet body 1 through the air inlet hole 17, so that ventilation and cooling are carried out on the inside of the electric cabinet body 1, and in wet weather, the electric heating wire 14 is started to heat the air in the air inlet box 12, so that moisture in the air is removed, and the air is dried, so that the air is prevented from entering and the electric equipment is damaged by short circuit.
In addition, a plurality of semiconductor refrigerating sheets 18 are started, the refrigerating surface of the semiconductor refrigerating sheets 18 can effectively cool the inside of the electric power cabinet body 1, and meanwhile, moisture in air in the electric power cabinet body 1 can be condensed on the refrigerating surface of the semiconductor refrigerating sheets 18 preferentially due to the fact that the temperature of the refrigerating surface of the semiconductor refrigerating sheets 18 is very low, so that the moisture is further prevented from entering electric equipment, and the electric equipment is damaged.
When the electric power equipment in the electric power cabinet body 1 fires, the temperature in the electric power cabinet body 1 rises rapidly, at the moment, the temperature sensor 11 senses and sends signals to the PLC circuit, so that the PLC control circuit can electrify the first electromagnetic valve 8 and the second electromagnetic valve 10, the first electromagnetic valve 8 is electrified and opened, the second electromagnetic valve 10 is electrified and closed, at the moment, under the action of the magnetic sliding plug 4, dry powder extinguishing agent in the storage tank 2 can be pumped into the pump liquid cavity 401 through the liquid inlet pipe 6, then the dry powder extinguishing agent in the pump liquid cavity 401 can enter the spray head 5 through the liquid supply pipe 7, and finally the dry powder extinguishing agent is sprayed out through the spray head 5, so that the fire in the electric power cabinet body 1 can be extinguished, thereby avoiding the generation of fire hidden danger and being safer.
In addition, in the reciprocating sliding process of the magnetic sliding plug 4, the magnetic induction line can be continuously cut, so that the induction coil 29 generates induction current with the direction continuously changing, and then the electromagnet 27 can be supplied with current with the direction continuously changing, so that the magnetic field direction of the electromagnet 27 continuously changes, and then the magnetic block 28 can be alternately magnetically attracted and magnetically repelled, and then the pore plate 24 is driven to reciprocally slide on the inner wall of the sliding groove 23, and the plurality of ejector pins 26 are driven to continuously enter and exit the meshes of the filter screen 13, so that dust blocked in the meshes of the filter screen 13 is ejected, the filter screen 13 is prevented from being blocked by the dust, and the filtering performance of the filter screen 13 is reduced.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a fire prevention dampproofing electric power cabinet, includes electric power cabinet body (1), its characterized in that, install fire prevention mechanism on electric power cabinet body (1), fire prevention mechanism includes bin (2) of fixed connection in electric power cabinet body (1) upper end, bin (2) intussuseption is filled with dry powder fire extinguishing agent, electric power cabinet body (1) lateral wall fixedly connected with pump box (3), pump box (3) inner wall sealing sliding connection has magnetism sliding plug (4), magnetism sliding plug (4) divide into pump box (3) inside two parts of pump liquid chamber (401) and pump air chamber (402), top fixedly connected with shower nozzle (5) in electric power cabinet body (1), pump liquid chamber (401) are through feed liquor pipe (6) and bin (2) intercommunication, pump liquid chamber (401) are through a plurality of feed liquor pipe (7) respectively with a plurality of shower nozzles (5) intercommunication, first solenoid valve (8) are all installed to feed liquor pipe (6) and feed liquor pipe (7) inner wall, solenoid valve (9) are installed to inner wall (9), solenoid valve (10) are installed to inner wall (9), the temperature sensor (11) is connected with the first electromagnetic valve (8) and the second electromagnetic valve (10) through the PLC control circuit respectively, and the ventilation and moisture-proof mechanism is arranged on the electric power cabinet body (1).
2. The fireproof and moistureproof electric power cabinet according to claim 1, wherein the ventilation and moistureproof mechanism comprises an air inlet box (12) embedded in the side wall of the electric power cabinet body (1), a filter screen (13) is fixedly connected to the inner wall of the air inlet box (12), an electric heating wire (14) is fixedly connected to the inner wall of the air inlet box (12), an air inlet pipe (15) is fixedly connected to the inner wall of the air pumping cavity (402), the air inlet box (12) is communicated with the air pumping cavity (402) through an air supply pipe (16), and a plurality of air inlets (17) are formed in the side wall of the air inlet box (12).
3. A fire and moisture resistant power cabinet in accordance with claim 2 wherein said liquid inlet pipe (6), liquid supply pipe (7), air inlet pipe (15) and air supply pipe (16) are provided with one-way valves on their inner walls.
4. A fire-proof and moisture-proof electric power cabinet according to claim 3, characterized in that the inner wall of the electric power cabinet body (1) is symmetrically embedded with a plurality of semiconductor refrigerating sheets (18).
5. The fireproof and moistureproof power cabinet according to claim 4, wherein a driving mechanism is installed in the pump box (3), the driving mechanism comprises a sliding block (19) which is slidably connected to the inner wall of the pump box (3), two push rods (20) are symmetrically and fixedly connected to the upper ends of the sliding block (19), the upper ends of the two push rods (20) are fixedly connected to the lower ends of the magnetic sliding plugs (4), a reciprocating screw (21) is rotatably connected to the inner bottom of the pump box (3), the side wall of the reciprocating screw (21) is in threaded connection with the sliding block (19), a motor (22) is fixedly connected to the lower end of the pump box (3), and the output end of the motor (22) penetrates through the lower end of the pump box (3) and is fixedly connected with the reciprocating screw (21).
6. The fireproof and moistureproof electric power cabinet according to claim 5, wherein a cleaning mechanism is installed in the air inlet box (12), the cleaning mechanism comprises a chute (23) formed in the inner top of the air inlet box (12), an orifice plate (24) is slidably connected to the inner wall of the chute (23), a spring (25) is fixedly connected to the inner wall of the chute (23), the other end of the spring (25) is fixedly connected with the orifice plate (24), and a plurality of ejector pins (26) are fixedly connected to the side wall of the orifice plate (24) close to the filter screen (13).
7. The fireproof and moistureproof power cabinet according to claim 6, wherein the cleaning mechanism further comprises an electromagnet (27) fixedly connected to the inner wall of the chute (23), a magnetic block (28) is fixedly connected to the side wall of the orifice plate (24), an induction coil (29) is embedded in the pump box (3), and the induction coil (29) is electrically connected with the electromagnet (27) through a wire.
8. A fire and moisture resistant power cabinet in accordance with claim 7 wherein a plurality of said pins (26) are disposed in one-to-one correspondence with the openings in the screen (13).
9. The fireproof and moistureproof power cabinet according to claim 8, wherein the upper end of the storage box (2) is provided with a feed inlet (30), the upper end of the storage box (2) is rotatably connected with a baffle plate (31) matched with the feed inlet (30), and the other end of the baffle plate (31) is fixedly connected with the upper end of the storage box (2) through a threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311116495.XA CN118508261B (en) | 2023-08-31 | Fireproof and dampproof power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311116495.XA CN118508261B (en) | 2023-08-31 | Fireproof and dampproof power cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118508261A true CN118508261A (en) | 2024-08-16 |
| CN118508261B CN118508261B (en) | 2024-11-15 |
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