CN113498302B - Self-starting airtight fire extinguishing cabinet with uniform cooling of internal and external air circulation - Google Patents
Self-starting airtight fire extinguishing cabinet with uniform cooling of internal and external air circulation Download PDFInfo
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- CN113498302B CN113498302B CN202110692480.2A CN202110692480A CN113498302B CN 113498302 B CN113498302 B CN 113498302B CN 202110692480 A CN202110692480 A CN 202110692480A CN 113498302 B CN113498302 B CN 113498302B
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- air
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- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003063 flame retardant Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 18
- 238000005485 electric heating Methods 0.000 claims description 12
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 description 27
- 230000009471 action Effects 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20736—Forced ventilation of a gaseous coolant within cabinets for removing heat from server blades
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a self-starting airtight fire-extinguishing cabinet with uniform cooling of internal and external air circulation, which comprises a cabinet box body, a net wire support, a cooling fire-extinguishing pipeline and an exhaust fan, wherein the net wire support for placing net wires is arranged at the upper part of the cabinet box body, the cooling fire-extinguishing pipeline is arranged at the side part of the cabinet box body and is communicated with the upper end of the cabinet box body, the exhaust fan for extracting air of the cabinet box body is arranged on the cooling fire-extinguishing pipeline, flame-retardant gas is filled in an electric starting gas cylinder, a foldable laminated sealing sleeve is sleeved at the outer side of the cabinet body, a sealing starting mechanism is arranged in the cabinet body, and an air inlet switch filter for filtering air to control the air entering state is arranged at the bottom of the cabinet box body. The invention can continuously update the air in the cabinet, ensure that the temperature in the cabinet and the temperature outside the cabinet are interacted more quickly, simultaneously can filter the air entering the cabinet, and the filtering mechanism can be self-cleaned, and can extinguish the fire in an anoxic way, thereby having little damage to the electronic components of the equipment.
Description
Technical Field
The invention relates to the technical field of cabinets, in particular to the technical field of a self-starting airtight fire extinguishing cabinet capable of achieving uniform cooling of internal and external air circulation.
Background
The network cabinet is used for placing network equipment such as a server and the like, the server can emit a large amount of heat due to large information processing capacity, the network machine room needs corresponding supporting facilities for cooling, at present, the temperature is basically cooled through a central air conditioner, and the temperature in the cabinet can be ensured to be in a reasonable range only by reducing the room temperature to be lower due to the fact that air in the cabinet does not circulate; meanwhile, because of the aging of a server and other reasons, fire can possibly happen in the cabinet, the traditional mode is to extinguish the fire through a passive fire extinguishing pipeline or a manual foam extinguisher, the fire extinguishing pipeline can be started only after the temperature reaches a certain temperature, the fire cannot be effectively extinguished in the initial stage of the fire, meanwhile, electronic components can be damaged by utilizing water to extinguish the fire, and equipment can be damaged by water in places which are not burnt; the second mode is to monitor by staff, and then extinguish fire through a mobile fire extinguisher after finding fire, so that the cost of manual detection is high, meanwhile, the reliability is not insufficient, and the fire extinguishing delay is large.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides the self-starting airtight fire extinguishing cabinet with uniform internal and external air circulation and temperature reduction, which can enable the air in the cabinet to be continuously updated, enable the temperature in the cabinet to be more quickly interacted with the temperature outside the cabinet, simultaneously filter the air entering the cabinet, enable a filtering mechanism to be self-cleaning, isolate the inside and the outside of the cabinet through various measures when a fire disaster occurs, extinguish the fire in an anoxic way, and has small damage to electronic components of equipment and convenient repair.
In order to achieve the above purpose, the invention provides an internal and external air circulation uniform cooling self-starting airtight fire extinguishing cabinet, which comprises a cabinet body, a net wire support, a cooling fire extinguishing pipeline and an exhaust fan, wherein the net wire support for placing a net wire is arranged at the upper part of the cabinet body, the cooling fire extinguishing pipeline is arranged at the side part of the cabinet body and is communicated with the upper end of the cabinet body, the exhaust fan for extracting air of the cabinet body is arranged on the cooling fire extinguishing pipeline, the cabinet body comprises a cabinet body, a cabinet door, a main frame, an electric starting gas cylinder, a laminated sealing sleeve, an air inlet switch filter and a sealing starting mechanism, the cabinet door is arranged on an opening at the front part of the cabinet body through a hinge, the main frame is arranged in the cabinet body, the electric starting gas cylinder is arranged at the bottom of the cabinet body, flame retardant gas is filled in the electric starting gas cylinder, the foldable sealing sleeve for isolating air from entering is sleeved at the outer side of the cabinet body, the sealing starting mechanism for starting the laminated sealing sleeve body is arranged at the inner side of the cabinet body, and the air inlet switch filter for controlling air entering the cabinet body is controlled by the filter.
Preferably, the electrically activated gas cylinder is filled with carbon dioxide gas.
Preferably, the main frame comprises a vertical supporting plate and a host supporting plate, wherein the vertical supporting plate is vertically arranged on two sides of the inner part of the main frame body through bolts, a guide rail groove is formed in the vertical supporting plate, and the host supporting plate is inserted into the guide rail groove.
Preferably, the electric starting gas cylinder comprises a cylinder body, an internal thread cylinder, a bolt and an electric broken glass tube, one end of the internal thread cylinder is fixedly arranged at the opening of the cylinder body, the other end of the internal thread cylinder is in threaded connection with the bolt, gas guide holes are formed in two sides of the internal thread cylinder, the electric broken glass tube for sealing the opening of the cylinder body is arranged between the bolt and the opening of the cylinder body, and a rubber pad is arranged between the electric broken glass tube and the bolt.
Preferably, the laminated sealing sleeve comprises a sleeve and a supporting table, the supporting table is fixedly arranged at the bottom of the cabinet body, the laminated sealing sleeve is in a cylinder shape with a small upper part and a large lower part, the laminated sealing sleeve is connected in a sleeved mode from head to tail, and the lower end of the sleeve is attached to the supporting table.
Preferably, the sealing starting mechanism comprises a guide plate, a limiting rod, a reset spring, a supporting rod, a balancing weight, movable hinge lugs and electric broken glass tubes, wherein the guide plate is fixedly arranged on two sides of the top end of the inner portion of the cabinet box body, the limiting rod penetrates through the guide plate and the cabinet box body to support the laminated sealing sleeve, the supporting rods are respectively arranged on two sides of the inner portion of the cabinet box body, the middle part of the top end of the inner portion of the cabinet box body is fixedly provided with the movable hinge lugs, the movable hinge lugs are hinged to the fixed hinge lugs through the electric broken glass tubes, the balancing weight is fixedly arranged at the lower ends of the movable hinge lugs, a steel wire rope is connected between the balancing weight on the upper portion of the supporting rod and the limiting rod, and the reset spring for pushing the limiting rod outwards is arranged between the limiting rod and the guide plate.
Preferably, the electric broken glass tube comprises a glass hollow tube, electrode columns, heating wires, a temperature sensor and a storage battery, wherein the glass hollow tube is a closed hollow tube body, the electrode columns are respectively arranged on two sides of the glass hollow tube, the heating wires are arranged between the two electrode columns in the glass hollow tube, and the heating wires are electrically connected with the storage battery through the temperature sensor.
Preferably, the air inlet switch filter comprises a centrifugal motor, a sealing cover and a conical filter screen, wherein the bottom of the cabinet body is provided with a cooling air guide hole, the sealing cover covers the cooling air guide hole, one end of the sealing cover, which is positioned in the cabinet body, is fixedly provided with the centrifugal motor, the sealing cover around the centrifugal motor is provided with an air compensation hole, and the rotating shaft of the centrifugal motor in the sealing cover is fixedly provided with the conical filter screen which is conical.
Preferably, the sealing cover is provided with a sealing plate for sealing half of the opening of the sealing cover at the opening end, only half of the conical filter screen is provided with a filter hole, and the other half of the conical filter screen is provided with a switch sealing plate at the upper part.
Preferably, the wire support comprises a support plate and a wire supporting plate, the support plate is fixedly arranged at the upper end of the cabinet body, the wire supporting plate is fixedly arranged on the support plate in an up-down arrangement mode, and the wire supporting plate is in a hook shape.
The invention has the beneficial effects that: according to the invention, the cooling fire extinguishing pipeline and the exhaust fan are used for extracting air in the cabinet, so that the air in the cabinet is continuously updated, the temperature in the cabinet is enabled to be more quickly interacted with the temperature outside the cabinet, the air entering the cabinet can be filtered through the air inlet switch filter, the filtering mechanism can be automatically cleaned, meanwhile, when a fire disaster occurs, the filter can be closed, the air entering is reduced, and when the fire disaster occurs, the air in the cabinet is isolated from the outside through various measures such as a laminated sealing sleeve, an electric starting gas cylinder and the like, the oxygen deficiency mode is utilized to extinguish the fire, the damage to equipment electronic components is small, and the repair is convenient.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of embodiments taken in conjunction with the accompanying drawings in which like reference characters designate like features throughout the drawings, and in which:
FIG. 1 is a schematic perspective view of a self-starting closed fire extinguishing cabinet with uniform cooling of internal and external air circulation;
FIG. 2 is a perspective view of the open door of the self-starting airtight fire extinguishing cabinet with uniform cooling of the internal and external air circulation;
FIG. 3 is a perspective view of the invention in a sleeve-down state of a self-starting closed fire extinguishing cabinet with uniform cooling of the internal and external air circulation;
FIG. 4 is a schematic perspective view of a sleeve;
FIG. 5 is a perspective view of the main frame;
FIG. 6 is an exploded view of the main frame;
FIG. 7 is a schematic perspective view of a wire rack;
FIG. 8 is a schematic perspective view of an electrically activated cylinder;
FIG. 9 is an exploded schematic view of an electrically activated cylinder;
FIG. 10 is a schematic view of the assembly of the seal actuation mechanism and the cabinet;
FIG. 11 is a schematic perspective view of a seal activation mechanism;
FIG. 12 is a perspective view of an air intake switch filter
FIG. 13 is an exploded schematic view of an intake switch filter;
FIG. 14 is a schematic perspective view of a seal housing;
fig. 15 is a front cross-sectional view of an electrically broken glass tube.
In the figure: 1-cabinet box, 11-cabinet, 12-cabinet door, 13-main frame, 131-vertical support plate, 1311-guide rail groove, 132-main frame supporting plate, 14-electric starting gas cylinder, 141-bottle, 142-internal thread cylinder, 143-bolt, 144-electric breaking glass tube, 1441-glass hollow tube, 1442-electrode cylinder, 1443-heating wire, 145-rubber pad, 15-laminated sealing sleeve, 151-sleeve, 152-supporting table, 16-air inlet switch filter, 161-centrifugal motor, 162-sealing cover, 1621-air compensation hole, 1622-sealing plate, 163-conical filter screen, 1631-switch sealing plate, 17-sealing starting mechanism, 171-guide plate, 172-limit rod, 173-reset spring, 174-supporting rod, 175-balancing weight, 176-movable hinge lug, 2-net wire bracket, 21-support plate, 22-cable, 3-cooling fire extinguishing pipeline, 4-exhaust.
Detailed Description
Referring to fig. 1 and 2, the invention relates to a self-starting airtight fire extinguishing cabinet with uniform cooling by internal and external air circulation, which comprises a cabinet box body 1, a net wire support 2, a cooling fire extinguishing pipeline 3 and an exhaust fan 4, wherein the net wire support 2 for placing net wires is arranged at the upper part of the cabinet box body 1, the cooling fire extinguishing pipeline 3 is arranged at the side part of the cabinet box body 1, the cooling fire extinguishing pipeline 3 is communicated with the upper end of the cabinet box body 1, the exhaust fan 4 for extracting air in the cabinet box body 1 is arranged on the cooling fire extinguishing pipeline 3, the exhaust fan 4 is used for extracting air in the cabinet box body 1, when an air inlet switch filter 16 in the cabinet box body 1 is conducted, the exhaust fan 4 can update the air in the cabinet box body 1 to achieve the purpose of heat dissipation, when the air inlet switch filter 16 is closed, the exhaust fan 4 can be used for pumping the cabinet box body 1 into negative pressure, the purpose of fire extinguishing is achieved, the cabinet box body 1 comprises a cabinet 11, a cabinet door 12, a main frame 13, an electric cylinder 14, a sealing sleeve 15, an air switch filter 16 and a sealing starting mechanism 17 are arranged at the side part of the cabinet box body 12, the cabinet 11 is arranged at the front of the cabinet body 11, the sealing sleeve 11 is arranged at the opening of the main frame, the sealing sleeve 15 is arranged at the bottom of the opening of the cabinet body, and the sealing sleeve 15 is used for entering the air switch box body, and the sealing mechanism 15 is arranged at the bottom of the cabinet 11, and the sealing mechanism is arranged at the bottom of the sealing sleeve 15.
1. Referring to fig. 3 and 15, the carbon dioxide gas is filled in the electric starting gas cylinder 14, in this application, the carbon dioxide gas is filled in the electric starting gas cylinder 14 to reduce the contact amount between oxygen and the ignition part, and because the electronic components are installed in the cabinet body 1, the carbon dioxide gas does not contain flame retardant, foam and the like, and after the fire is extinguished, the carbon dioxide gas volatilizes, so that the rest of the electronic components are not polluted or damaged. The main frame 13 includes vertical support plate 131 and host computer layer board 132, vertical support plate 131 passes through the inside both sides of bolt 143 vertical setting at cabinet body 11, be provided with guide rail groove 1311 on the vertical support plate 131, host computer layer board 132 inserts in guide rail groove 1311, through being provided with guide rail groove 1311 on vertical support plate 131, can insert host computer layer board 132 in different guide rail groove 1311 as required, reserves different high gateway hosts of placing. The electric starting gas cylinder 14 comprises a cylinder body 141, an internal thread cylinder 142, a bolt 143 and an electric broken glass tube 144, one end of the internal thread cylinder 142 is fixedly arranged at the opening of the cylinder body 141, the other end of the internal thread cylinder is in threaded connection with the bolt 143, gas guide holes are formed in two sides of the internal thread cylinder 142, an electric broken glass tube 144 used for sealing the opening of the cylinder body 141 is arranged between the bolt 143 and the opening of the cylinder body 141, a rubber pad 145 is arranged between the electric broken glass tube 144 and the bolt 143, after the inside of the cabinet body 1 is ignited, firstly the gas inlet switch filter 16 is closed to cut off the entry of air, and then the oxygen amount in the cabinet body 1 is continuously reduced along with the extraction of the air in the cabinet body 1 by the exhaust fan 4, and then nitrogen or carbon dioxide in the cylinder body 141 overflows from the gas guide holes through the electric broken glass tube 144 to enter the cabinet body 1, so that the contact between the ignition point and the oxygen is further reduced, and finally the aim of extinguishing fire is achieved. The utility model provides a multilayer seal cover 15, including sleeve pipe 151 and saddle 152, saddle 152 sets firmly in cabinet box 1 bottom, multilayer seal cover 15 is big-end-down's tube-shape, multilayer seal cover 15 head and the tail cup joints the connection, sleeve pipe 151 lower extreme laminating is on saddle 152, through saddle 152 and sleeve pipe 151 laminating, reaches the purpose with cabinet box 1 further with external isolation, reduce the intake of air to reach better fire extinguishing effect, in non-fire state, sleeve pipe 151 folding set up in cabinet box 1 upper end, cabinet box 1 and multilayer seal cover 15 all have certain sealed effect in this application, but sealed not absolutely, reduces the volume that the air got into in the cabinet box 1 through twice measure is sealed. The sealing starting mechanism 17 comprises a guide plate 171, a limit rod 172, a return spring 173, a support rod 174, a balancing weight 175, a movable hinge lug 176 and an electric broken glass tube 144, wherein the guide plate 171 is fixedly arranged on two sides of the top end inside the cabinet box body 1, the limit rod 172 penetrates through the guide plate 171 and the cabinet box body 1 to support the laminated sealing sleeve 15, the support rods 174 are respectively arranged on two sides inside the cabinet box body 1, the middle part of the top end inside the cabinet box body 1 is fixedly provided with the fixed hinge lug, the movable hinge lug 176 is hinged on the fixed hinge lug through the electric broken glass tube 144, the balancing weight 175 is fixedly arranged at the lower end of the movable hinge lug 176, a steel wire rope is connected between the balancing weight 175 on the upper part of the support rod 174 and the limit rod 172, the return spring 173 for pushing the limit rod 172 outwards is arranged between the limit rod 172 and the guide plate 171, after the cabinet box body 1 is broken, the movable hinge lug 176 and the fixed hinge lug are separated, the balancing weight 175 falls under the action of gravity, the balancing weight 175 is pulled towards the inside the cabinet box body 1 through the balancing weight 175, and the balancing weight 175 is retracted towards the cabinet box body 1, and the casing tube 151 is separated with the casing 151 under the action of the sealing sleeve 151, and the sealing sleeve 151 is matched with the casing 151 under the action of the sealing sleeve. The electric broken glass tube 144 comprises a glass hollow tube 1441, electrode columns 1442, electric heating wires 1443, a temperature sensor and a storage battery, wherein the glass hollow tube 1441 is a closed hollow tubular body, the electrode columns 1442 are respectively arranged on two sides of the glass hollow tube 1441, the electric heating wires 1443 are arranged between the two electrode columns 1442 in the glass hollow tube 1441, the electric heating wires 1443 are electrically connected with the storage battery through the temperature sensor, the temperature sensor is used for detecting the surrounding temperature, after the temperature is higher than a set value, the electric heating wires 1443 are used for heating through the communication of the storage battery and the electric heating wires 1443, the gas in the glass hollow tube 1441 is heated and expanded, and finally broken, the balancing weight 175 in the sealing starting mechanism 17 falls down, and under the action of gravity, the balancing weight 175 pulls the limiting rod 172 to shrink, so that the laminated sealing sleeve 15 falls and expands, and the cabinet 11 is closed; in the electrically started gas cylinder 14, the opening of the cylinder body 141 loses the seal of the electric broken glass tube 144, and the carbon dioxide gas in the cylinder body is filled into the cabinet body 11, so that the contact amount of oxygen and a fire point is reduced, the aim of extinguishing fire is finally achieved, air is arranged in the glass hollow tube 1441, and the broken glass tube can be heated by the electric heating wire 1443 or started by flame of fire. The air inlet switch filter 16 comprises a centrifugal motor 161, a sealing cover 162 and a conical filter screen 163, wherein a cooling air guide hole is formed in the bottom of the cabinet body 1, the sealing cover 162 covers the cooling air guide hole, the centrifugal motor 161 is fixedly arranged at one end of the sealing cover 162, which is positioned in the cabinet body 1, an air compensation hole 1621 is formed in the sealing cover 162 around the centrifugal motor 161, the conical filter screen 163 which is conical is fixedly arranged on a rotating shaft of the centrifugal motor 161 in the sealing cover 162, in a non-fire state, air enters the cabinet body 1 through the conical filter screen 163, air with lower temperature outside is flushed into the cabinet body 1, the purpose of cooling is achieved, when more dust is arranged on the conical filter screen 163, the conical filter screen 163 is driven to rotate at a high speed through the centrifugal motor 161, the dust is thrown out through the centrifugal force, and the purpose of self-cleaning is achieved. The sealed cowling 162 open end is provided with the closing plate 1622 that seals half of the sealed cowling 162 open end, only half is provided with the filtration pore on the toper filter screen 163, and half upper portion is provided with switch closure plate 1631, and when closing plate 1622 is half relative with the filtration pore that is provided with of toper filter screen 163, and the other end is relative with the one end that is provided with switch closure plate 1631 that is provided with the toper filter screen 163, then inlet switch filter 16 is in the closed state, through the entering that reduces the air, keeps air exhauster 4 to extract the air in the cabinet box 1 simultaneously, makes cabinet box 1 form the negative pressure, puts out a fire through the method that reduces the oxygen tolerance. The net wire support 2 comprises a support plate 21 and a cable supporting plate 22, the support plate 21 is fixedly arranged at the upper end of the cabinet body 1, the cable supporting plate 22 is fixedly arranged on the support plate 21 in an up-down arrangement mode, the cable supporting plate 22 is in a hook shape, cables are supported through the cable supporting plate 22, and different types of cables can be placed on different cable supporting plates 22, so that the maintenance is easier.
The working process of the invention comprises the following steps:
in the working process of the self-starting airtight fire extinguishing cabinet with uniform cooling of internal and external air circulation, cooling is performed through an indoor air conditioner in a non-fire state, air in a cabinet box body 1 is extracted through an exhaust fan 4 and a cooling fire extinguishing pipeline 3, indoor air enters the cabinet box body 1 through an air inlet switch filter 16, the aim of replacing the air in the cabinet box body 1 is fulfilled, the air enters the cabinet box body 1 through a conical filter screen 163, and when the outside of the conical filter screen 163 is filled with more dust or sundries, a centrifugal motor 161 in the air inlet switch filter 16 drives the conical filter screen 163 to rotate, and sundries on the conical filter screen 163 are thrown out through centrifugal force, so that the self-cleaning aim is fulfilled; when a fire disaster occurs in the cabinet box 1, the sealing plate 1622 is opposite to half of the conical filter screen 163 provided with the filter holes, the other end of the sealing plate is opposite to one end of the conical filter screen 163 provided with the switch sealing plate 1631, the air inlet switch filter 16 is in a sealing state, the air inlet switch filter is used for reducing the air inlet and simultaneously keeping the exhaust fan 4 to extract the air in the cabinet box 1, so that the cabinet box 1 forms negative pressure, the ambient temperature is detected by a temperature sensor, when the temperature is higher than a set value, the storage battery and the electric heating wire 1443 are communicated, the electric heating wire 1443 heats, the gas in the glass hollow tube 1441 is heated and expands, and finally the balancing weight 175 in the sealing starting mechanism 17 drops, and under the action of gravity, the balancing weight 175 pulls the limiting rod 172 to shrink, so that the laminated sealing sleeve 15 falls and expands to seal the cabinet 11; in the electric starting gas cylinder 14, the opening of the cylinder body 141 loses the sealing of the electric breaking glass tube 144, the carbon dioxide gas in the cylinder body is filled into the cabinet body 11, so that the contact quantity of oxygen and a fire point is reduced, the aim of fire extinguishment is finally achieved, air is arranged in the glass hollow tube 1441, the breaking starting can be heating of the electric heating wire 1443 or the electric breaking glass tube 144 is started through flame of fire, after the cabinet body 1 catches fire, the electric breaking glass tube 144 is broken, the movable hinge lugs 176 and the fixed hinge lugs are separated, the balancing weight 175 falls under the action of gravity, the limiting rod 172 is pulled to shrink towards the interior of the cabinet body 1 through the balancing weight 175, the limiting rod 172 is separated from the sleeve 151, the sleeve 151 falls under the action of gravity, and the aim of sealing the cabinet body 1 is achieved through the cooperation of the sleeve 151 and the supporting table 152.
According to the self-starting airtight fire extinguishing cabinet capable of uniformly cooling the internal and external air circulation, the cooling fire extinguishing pipeline 3 and the exhaust fan 4 are used for extracting air in the cabinet, so that the air in the cabinet is continuously updated, the temperature in the cabinet and the temperature outside the cabinet are enabled to be interacted more quickly, the air entering the cabinet can be filtered through the air inlet switch filter 16, the filtering mechanism can be self-cleaned, meanwhile, when a fire disaster occurs, the filter can be closed, the air entering is reduced, when the fire disaster occurs, the air in the cabinet is isolated from the outside through various measures such as the laminated sealing sleeve 15, the electric starting gas cylinder 14 and the like, the oxygen deficiency mode is utilized for extinguishing a fire, the damage to equipment electronic parts is small, and the equipment electronic parts are convenient to repair.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (5)
1. The utility model provides an inside and outside air circulation evenly cools down self-starting airtight fire extinguishing cabinet which characterized in that: the electric fire-extinguishing device comprises a cabinet box body, a net wire support, a cooling fire-extinguishing pipeline and an exhaust fan, wherein the net wire support used for placing the net wire is arranged at the upper part of the cabinet box body, the cooling fire-extinguishing pipeline is arranged at the side part of the cabinet box body and is communicated with the upper end of the cabinet box body, the exhaust fan used for extracting air of the cabinet box body is arranged on the cooling fire-extinguishing pipeline, the cabinet box body comprises a cabinet body, a cabinet door, a main frame, an electric starting gas cylinder, a lamination sealing sleeve, an air inlet switch filter and a sealing starting mechanism, the cabinet door is arranged on an opening at the front part of the cabinet body through a hinge, the main frame is arranged in the cabinet body, an electric starting gas cylinder used for extinguishing fire is arranged at the bottom of the cabinet body, flame retardant gas is arranged in the electric starting gas cylinder, a sealing starting mechanism used for starting the lamination sealing sleeve to cover the cabinet body is arranged at the inner side of the cabinet body, the bottom of the cabinet box body is provided with the air inlet switch filter used for filtering air to control the air inlet state, the electric starting gas cylinder comprises a crushing body, an electric screw cylinder and a screw bolt are arranged at the opening between the electric cylinder and the electric screw hole of the electric cylinder, and the electric cylinder is provided with a screw hole at the screw bolt at the opening; the laminated sealing sleeve comprises a sleeve and a supporting table, the supporting table is fixedly arranged at the bottom of the cabinet body, the laminated sealing sleeve is in a cylinder shape with a small upper part and a large lower part, the laminated sealing sleeve is connected in a sleeved mode from head to tail, and the lower end of the sleeve is attached to the supporting table; the sealing starting mechanism comprises a guide plate, a limiting rod, a reset spring, a supporting rod, a balancing weight, a movable hinge lug and an electric broken glass tube, wherein the guide plate is fixedly arranged on two sides of the top end of the inside of the cabinet box body, the limiting rod penetrates through the guide plate and the cabinet box body to support the laminated sealing sleeve, the supporting rods are respectively arranged on two sides of the inside of the cabinet box body, the middle part of the top end of the inside of the cabinet box body is fixedly provided with the fixed hinge lug, the movable hinge lug is hinged on the fixed hinge lug through the electric broken glass tube, the balancing weight is fixedly arranged at the lower end of the movable hinge lug, a steel wire rope is connected between the balancing weight at the upper part of the supporting rod and the limiting rod, and the reset spring for pushing the limiting rod outwards is arranged between the limiting rod and the guide plate; the electric broken glass tube comprises a glass hollow tube, electrode cylinders, electric heating wires, a temperature sensor and a storage battery, wherein the glass hollow tube is a closed hollow tubular body, the electrode cylinders are respectively arranged on two sides of the glass hollow tube, the electric heating wires are arranged between the two electrode cylinders in the glass hollow tube, and the electric heating wires are electrically connected with the storage battery through the temperature sensor; the air inlet switch filter comprises a centrifugal motor, a sealing cover and a conical filter screen, wherein a cooling air guide hole is formed in the bottom of the cabinet body, the sealing cover covers the cooling air guide hole, the centrifugal motor is fixedly arranged at one end of the sealing cover, which is located in the cabinet body, the sealing cover is provided with an air compensation hole around the centrifugal motor, and the conical filter screen which is conical is fixedly arranged on a rotating shaft of the centrifugal motor in the sealing cover.
2. The self-starting airtight fire extinguishing cabinet of claim 1, wherein the internal and external air circulation is uniformly cooled, and is characterized in that: the electric starting gas cylinder is filled with carbon dioxide gas.
3. The self-starting airtight fire extinguishing cabinet of claim 1, wherein the internal and external air circulation is uniformly cooled, and is characterized in that: the main frame includes vertical support plate and host computer layer board, vertical support plate passes through the inside both sides of bolt vertical setting in the cabinet, be provided with the guide rail groove in the vertical support plate, the host computer layer board is inserted in the guide rail groove.
4. The self-starting airtight fire extinguishing cabinet of claim 1, wherein the internal and external air circulation is uniformly cooled, and is characterized in that: the sealed cowling open end is provided with the closing plate that seals half openings of sealed cowling, only half is provided with the filtration pore on the toper filter screen, and half upper portion is provided with the switch closing plate.
5. The self-starting airtight fire extinguishing cabinet of claim 1, wherein the internal and external air circulation is uniformly cooled, and is characterized in that: the net twine support includes backup pad and cable layer board, the backup pad sets firmly in rack box upper end, the cable layer board is arranged from top to bottom and is set firmly in the backup pad, the cable layer board is colludes the form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110692480.2A CN113498302B (en) | 2021-06-22 | 2021-06-22 | Self-starting airtight fire extinguishing cabinet with uniform cooling of internal and external air circulation |
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| CN202110692480.2A CN113498302B (en) | 2021-06-22 | 2021-06-22 | Self-starting airtight fire extinguishing cabinet with uniform cooling of internal and external air circulation |
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| CN113498302A CN113498302A (en) | 2021-10-12 |
| CN113498302B true CN113498302B (en) | 2024-04-09 |
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| CN202110692480.2A Active CN113498302B (en) | 2021-06-22 | 2021-06-22 | Self-starting airtight fire extinguishing cabinet with uniform cooling of internal and external air circulation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374153A (en) * | 2022-02-14 | 2022-04-19 | 山东博艺节能科技有限公司 | Novel intelligent power distribution cabinet |
| CN115887977B (en) * | 2022-12-07 | 2024-01-16 | 宁波东鸿信息技术有限公司 | Equipment for fire prevention and alarm of machine room |
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| DE19807804A1 (en) * | 1997-03-11 | 1998-09-17 | Hans Dieter Seeliger | Control cabinet with fire extinguishing system |
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| CN113498302A (en) | 2021-10-12 |
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