CN109847253A - Use for laboratory is without pressure fire extinguisher - Google Patents
Use for laboratory is without pressure fire extinguisher Download PDFInfo
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- CN109847253A CN109847253A CN201910093822.1A CN201910093822A CN109847253A CN 109847253 A CN109847253 A CN 109847253A CN 201910093822 A CN201910093822 A CN 201910093822A CN 109847253 A CN109847253 A CN 109847253A
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- Prior art keywords
- film
- dry powder
- glass container
- switch
- fire extinguisher
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- 239000000843 powder Substances 0.000 claims abstract description 45
- 239000011521 glass Substances 0.000 claims abstract description 33
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 26
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 13
- 239000002274 desiccant Substances 0.000 claims abstract description 8
- 239000011888 foil Substances 0.000 claims abstract description 8
- 239000002808 molecular sieve Substances 0.000 claims abstract description 7
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012943 hotmelt Substances 0.000 claims abstract description 3
- 239000010408 film Substances 0.000 claims description 45
- 238000003860 storage Methods 0.000 claims description 22
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 13
- 229910052753 mercury Inorganic materials 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 8
- 239000010409 thin film Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 229940098458 powder spray Drugs 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 235000021050 feed intake Nutrition 0.000 abstract description 6
- SOZVEOGRIFZGRO-UHFFFAOYSA-N [Li].ClS(Cl)=O Chemical compound [Li].ClS(Cl)=O SOZVEOGRIFZGRO-UHFFFAOYSA-N 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 28
- 239000001569 carbon dioxide Substances 0.000 description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- -1 aluminosilicate compound Chemical class 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- LGZXYFMMLRYXLK-UHFFFAOYSA-N mercury(2+);sulfide Chemical compound [S-2].[Hg+2] LGZXYFMMLRYXLK-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention relates to a kind of use for laboratory without pressure fire extinguisher, belongs to laboratory services.The present invention includes the glass container for splitting two kinds of materials up and down, separated between the material split up and down using the film that feeds intake, feed intake film in-built electrical heated filament, the upper and lower material space split of glass container is penetrated through after the film that feeds intake hot melt, the material that top is held is sodium carbonate, the underlying material that holds is dilute sulfuric acid, it holds sodium carbonate rotary table upper vessel portion and is isolated by water-solubility PVA plastic foil with defoaming plate, defoaming plate is equipped on water-solubility PVA plastic foil, it is equipped with drying chamber within glass container one week suitable for reading, drying chamber is built-in with molecular sieve desiccant, drying chamber lower side connection gas-guide tube.The present invention has the advantages that using lithium thionyl chloride cell as DC power supply, self discharge is low.No pressure component will not worry Defects in Pressure Container bring risk of explosion.Internal structure automatic sensing external world high temperature of fire is sprayed using built-in circuit starting fire-fighting powder, is not necessarily to external interference.
Description
Technical field
The present invention relates to a kind of use for laboratory without pressure fire extinguisher, belongs to laboratory services.
Background technique
Currently, many laboratory apparatus in laboratory are in long-time energization standby mode, power conversion transistor is standby to be in
Low frequency shakes state, if encountering voltge surge and self deterioration causes breakdown to draw, the calamity that may be under fire can generate serious consequence.
Fire product uses dry powder extinguisher more on the market now, and as driving gas, when use needs artificial filling 1MP or so nitrogen
Injection.Traditional automatic fire extinguishing system, which needs to power, to be supported, arrangement flame infrared sensor itself is complex, standby for a long time
Body not only power consumption, there is also certain electric disaster hidden-troubles.
Traditional dry powder extinguisher needs filling with pressure, such as encounters the undetectable fault in material of bottle body, can exist certain hidden
Suffer from, pressure applies lower amplification to defect inside it, and shell explosion may finally be caused to hurt sb.'s feelings.Artificial carry out is needed when encountering fire behavior
Fire extinguishing, can not stand ready for 24 hours.Existing self-extinguishing terminal need to arrange flame infrared sensor and wiring, consume when standby
Electricity.
Summary of the invention
To solve the above problems, the present invention provides a kind of use for laboratory without pressure fire extinguisher, realize it is standby for a long time, without standby
Power consumption, no pressure is standby, will not explode and hurt sb.'s feelings because of shell defect.
To achieve the above object, the technical solution adopted by the present invention is that:
Use for laboratory is without pressure fire extinguisher, the glass container including splitting two kinds of materials up and down, uses between the material split up and down
The film that feeds intake separates, and feed intake film in-built electrical heated filament, and the upper and lower material space split of glass container, top are penetrated through after the film that feeds intake hot melt
The material held is sodium carbonate, and the underlying material that holds is dilute sulfuric acid, holds sodium carbonate rotary table upper vessel portion and passes through water-solubility PVA
Plastic foil is isolated with defoaming plate, and defoaming plate is equipped on water-solubility PVA plastic foil, is equipped with drying chamber within glass container one week suitable for reading
Room, drying chamber are built-in with molecular sieve desiccant, drying chamber lower side connection gas-guide tube, and gas-guide tube is passed through dry powder storage silo
It is interior, dry powder fire extinguishing agent is stored in dry powder storage silo, the lower part of dry powder storage silo is to export and be equipped with metal bellows, and dry powder is deposited
The outlet of warehouse is equipped with prefabricated dent FPC film, and prefabricated dent FPC film is built-in with FPC thin film circuit, and prefabricated dent FPC is thin
Circuit is broken in FPC thin film circuit after film is damaged, and the end of metal bellows is equipped with the dry powder spray ball that surface is covered with aperture.
Preferably, the glass container is suitable for reading to extend upward aeroscopic plate, the channel that aeroscopic plate is formed is equipped with defoaming
Plate, aeroscopic plate are equipped with gas port and drying chamber connection.
Preferably, the glass container and dry powder storage silo are arranged in suitcase, the two is arranged side by side, dry powder storage
The storehouse outlet port metal bellows described in transverse side connection, the outlet lower section of dry powder storage silo are lined with resilient cushion.
Further preferably direction centre necking is formed round table-like on the film that feeds intake of the glass container, uses water solubility
The sealing of PVA plastic barrier film, aeroscopic plate extend to form outward it is inverted round table-like, the necking of glass container top and aeroscopic plate
Drying chamber is connected to form by vertical closed plate at maximum outside diameter.
It further preferably, further include DC power supply, temperature detect switch (TDS), mercury switch of inclination and master switch, FPC film
Encapsulation heating wire, lithium thionyl chloride cell, mercury switch of inclination and master switch connect to be formed in circuit, temperature detect switch (TDS), the film that feeds intake
Control circuit, mercury switch of inclination and DC power supply are arranged in suitcase, and temperature detect switch (TDS) extends out of suitcase, and connection is led
Line uses 1-2 meters of refractory glass fibre woven tubes, and master switch is arranged in portable box enclosure.
Further preferably, heating wire is parallel with 315M wireless transmitter module in the film that feeds intake, and external environment can root
According to needing to install additional 315M wireless receiving module, 315M wireless reception module is connected to loudspeaker and mains supply.
Further preferably, temperature detect switch (TDS) be four, two be cascaded after form one group, two groups of temperature detect switch (TDS)s are again
Temperature detect switch (TDS) group is formed after parallel connection to connect into control circuit.
Further preferably, temperature detect switch (TDS) group position is also parallel with measurement circuit, and measurement circuit includes being connected on
Light emitting diode, 1K resistance and testing button together.
The present invention has the advantages that 1, using lithium thionyl chloride cell as DC power supply, self discharge is low, and self-discharge rate is about
It is 1%.2, using the normally opened property temperature detect switch (TDS) of 2 and 2 strings, open circuit energy free is consumed when standby, can be standby ten years or more.3,
No pressure component will not worry Defects in Pressure Container bring risk of explosion.4, internal structure automatic sensing external world high temperature of fire,
It is sprayed using built-in circuit starting fire-fighting powder, is not necessarily to external interference, the cost compared to on-line monitoring fire extinguishing is low.
Detailed description of the invention
Fig. 1 is cutting structure chart of the invention,
Fig. 2 is external structure of the invention,
Fig. 3 is controling circuit structure figure of the invention.
Fig. 4 is wireless transmitter module annexation figure of the invention.
Appended drawing reference: 1 glass container 2 feed intake 3 water-solubility PVA plastic barrier film 4 of film defoaming 5 drying chamber of plate, 6 gas-guide tube 7
8 metal bellows of dry powder storage silo, 9 12 gas port of prefabricated dent FPC film 10 dry powder spray ball, 11 aeroscopic plate, 13 suitcase 14 subtracts
Shake pad 15 DC power supply, 16 temperature detect switch (TDS), 17 mercury switch of inclination, 18 master switch 19,20 testing button of 315M wireless transmitter module.
Specific embodiment
Just structure structure of the invention is further detailed below.
The present invention using sodium carbonate mix with dilute sulfuric acid generation carbon dioxide, carbon dioxide as pressure source driving dry powder into
Row fire extinguishing.
Preferably, the generation mechanism of carbon dioxide of the present invention, as shown in Figure 1, including splitting two kinds up and down
The glass container 1 of material, the upper end glass container truncated cone-shaped big in top handle, glass container outside cylindrical in lower end is simultaneously surrounded by
Plastic shell prevents from colliding with.Separated between the material split up and down using the film 2 that feeds intake, the material on top is sodium carbonate, underlying
Material is dilute sulfuric acid, and the suitable for reading of glass container 1 is sealed by water-solubility PVA plastic barrier film 3, and feed intake 2 in-built electrical heated filament of film, throws
Expect the upper and lower material space split that glass container 1 is penetrated through after film 2 heats, suitable for reading the moulding by water-solubility PVA of glass container (1)
Expect that isolation film 3 seals.
When the heating wire to feed intake inside film is powered, it can be instanteously blown the film that feeds intake, make the sodium carbonate positioned at glass container top
It is mixed since self gravity falls with dilute sulfuric acid, mixed sodium carbonate and dilute sulfuric acid reaction generate a large amount of carbon dioxide, the mistake
Journey wink speed, the amount of carbon dioxide of generation is big, and with bubble, under water-solubility PVA plastic barrier film bubble and pressure collective effect
Rupture discharges carbon dioxide, and then dry powder is pushed to put out a fire.
The storage of dry powder and ejection structure are illustrated below, as shown in Figure 1, the water-solubility PVA plastics of glass container 1
Film 3 extends upward on the film 2 that feeds intake of 11 glass container 1 of aeroscopic plate necking among direction and is formed round table-like, and aeroscopic plate 11 is outside
Side extends to form inverted round table-like.Pass through vertical closing at the maximum outside diameter of 1 top necking of glass container and aeroscopic plate 11
Plate is connected to form drying chamber 5.
The channel of the formation of aeroscopic plate 11 is equipped with defoaming plate 4, and aeroscopic plate 11 is equipped with gas port 12, gas port 12 and drying
5 connection of chamber, drying chamber 5 are built-in with molecular sieve desiccant.
The water-solubility PVA plastic foil 3 of sealing truncated cone-shaped glass container 1 also known as polyvinyl alcohol film, density 1.26-1,
29g/cm³.The material water imbibition is big, and strength reduction is until dissolution after contacting water.At work, sodium carbonate reacts production with dilute sulfuric acid
Raw heat, containing disintegrating under water vapor bubbles, pressure collective effect, release carbon dioxide to defoaming plate 4.It can be by sodium carbonate when standby
Being limited in rotary table glaze cavity will not be to plate 4 diffusion of defoaming, and PVA plastic foil is with a thickness of one.
Defoam plate 4 can influence of the bubble to dry powder in elimination reaction, carbon dioxide is after 2 grades of defoaming plates, by leading
Stomata enters in drying chamber 5 to be dried by molecular sieve desiccant, and molecular sieve desiccant is a kind of artificial synthesized and has to hydrone
The desiccant product of stronger adsorptivity, crystalline aluminosilicate compound have regular and uniform duct, hole in crystal structure
Diameter is the order of magnitude of molecular size.Under the conditions of ultralow humidity, it still is able to absorb vapor in large quantities, rate of moisture absorption is exceedingly fast,
A large amount of water vapours are absorbed in a very short period of time.
5 lower side connection gas-guide tube 6 of drying chamber, gas-guide tube 6 is passed through in dry powder storage silo 7, and gas-guide tube and dry powder store up
It deposits cabin and contacts one end and be plugged with fire-retardant polyphenylene sulfide fibre group, prevent dry powder from entering gas-guide tube.It is stored in dry powder storage silo 7 dry
Powder extinguishing chemical, the lower part of dry powder storage silo 7 are to export and be equipped with metal bellows 8, and the outlet of dry powder storage silo 7 is equipped with prefabricated recessed
Trace FPC film 9, prefabricated dent FPC film 9 are built-in with FPC thin film circuit, FPC thin-film electro after prefabricated 9 breakage of dent FPC film
Circuit is broken in road, and the end of metal bellows 8 is equipped with the dry powder spray ball 10 that surface is covered with aperture.Glass container 1 and dry powder
Storage silo 7 is arranged in suitcase 13, and the two is arranged side by side, and 7 outlet port of dry powder storage silo is in transverse side connection described
The outlet lower section of metal bellows 8, dry powder storage silo 7 is lined with resilient cushion 14.
Carbon dioxide after drying enters dry powder storage silo 7 along gas-guide tube, pushes dry powder movement, breaks through prefabricated dent FPC
Film 9, the film are that dry powder and extraneous sealing use, and break through rear circuit and disconnect, supply for cutting off the heating wire inside the film that feeds intake
Electricity.The dry powder pharmaceutical of ejection is sprayed along metal bellows, and dry powder is carried out 270 ° of injections by dry powder spray ball, flat by 1 ~ 4
Flare in square rice is put out rapidly.
The present apparatus is controlled using temperature detect switch (TDS), and circuit diagram as shown in Figure 3 is specifically additionally provided with DC power supply 15, temperature detect switch (TDS)
16, mercury switch of inclination and master switch 17, heating wire in FPC thin film circuit, temperature detect switch (TDS) 16, the film 2 that feeds intake, DC power supply 15,
Mercury switch of inclination and the series connection of master switch 17 form control circuit.Temperature detect switch (TDS) 16 be four, two be cascaded after formed
One group, temperature detect switch (TDS) group, temperature detect switch (TDS) group position parallel connection measurement circuit, test are formed after two groups of temperature detect switch (TDS)s 16 are in parallel again
Route includes the light emitting diode being cascaded, 1K resistance and testing button, and temperature detect switch (TDS) group and measurement circuit in parallel are connected
Enter control circuit.
Mercury switch of inclination and DC power supply 15 are arranged in suitcase 13, and mercury switch of inclination, which is arranged in suitcase, to be erected
Straight position, and corresponding direction installation is carried out according to its vertical direction, starting causes reaction solution to spray when preventing from toppling over.Temperature detect switch (TDS)
16 extend out of suitcase 13, and master switch 17 is arranged on 13 shell of suitcase.The electric power setting for connecting each electric elements exists
In suitcase, and according to location arrangements, it can specifically be adhered directly to be attached each electric elements in suitcase.
The mercury switch of inclination control present apparatus can not work when toppling over.When fuselage is in vertical and master switch in the shape opened
When state, testing button is pressed, light emitting diode lamp is bright, and indication circuit is unobstructed, is in standby.Light emitting diode series connection
One 1K resistance, electric current is only 7.4mA when test, therefore heating wire fusing will not be made to feed intake isolation film.
The heating wire in film 2 that feeds intake is parallel with 315M wireless transmitter module, and it is wireless that external environment can install as needed 315M additional
Receiving alarm module, 315M wireless reception module are connected to loudspeaker and mains supply.Loudspeaker is that connection 315M is wireless in Fig. 4
The component of receiving module.
It after temperature detect switch (TDS) is connected, is also turned on 315M module and issues wireless signal, reported after alarm host machine receives signal
It is alert.315M Wireless alarm module is matured product, and principle no longer illustrates.
DC power supply selects the concatenated lithium thionyl chloride cell of 2 section of battery to provide electric power, model ER34615H, the battery
For disposable lithium cell, it is applied to the equipment such as intellectual water meter, can stores 10 years or more, year, self-discharge rate was less than 1%.Temperature detect switch (TDS)
Using open type temperature detect switch (TDS), for prevent malfunction improve reliability using four double strings pair and by the way of connect.In normally opened shape
Circuit breaker entirety Non-energy-consumption under state.Temperature detect switch (TDS) model KSD9700 open type can select operating temperature 60 according to sensitivity
~ 150 DEG C of uses, it is 1-2 meters of refractory glass fibre woven tubes that length, which can be selected, in line.KSD9700 is made using square bimetal leaf
For the temperature sensor of flame, when temperature rises to certain value, square piece kick, transmission contact is acted rapidly, circuit is connected, when temperature is down to
When certain value, bimetal leaf resets, and contact also restores therewith to original state, achievees the purpose that on-off circuit.
Structure size requirement, suitcase use carbon steel shell, having a size of 260*145*220, spray Chinese red paint, metal
The dry powder spray ball of bellows uses aluminum alloy materials.Suitcase rear portion has clothes-hook hole, can directly be hung on a wall.Pharmacy response
Carbonate content 5mol, about 530 grams, volume is about 250cm3 or so, and 700 grams of dilute sulfuric acid of dilute sulfuric acid content 5mol, 70% concentration
About 546ml, completely reaction can release 5mol carbon dioxide, about 220g, and total 110L gas completely can thoroughly blow fire-fighting powder
Out, it the carbon dioxide of generation and can assist putting out a fire.Glass container uses internal 10cm diameter × 10cm high cylindrical body, and volume is about
For 785ml, top cast feeder uses basal diameter 10cm, and top diameter 6cm, high 6cm rotary table composition, volume is about 276.95 vertical
Square centimetre.The ultra-fine dry powder of 2KG standard recipe is held in dry powder reservoir bottle.
In conclusion the application method process of technical solution of the present invention is,
Firstly, being gone here and there as startup power supply using open type temperature detect switch (TDS) two using the extremely low lithium thionyl chloride cell of self-discharge rate
Two modes simultaneously accesses circuit conduct and starts switch.Secondly, mercury switch ensures that device is in running order vertically.When temperature control is opened
Pass is closed after sensing flame temperature, connects circuit, is fed intake film 2 by heating wire fusing.Push up the big round table-like sodium carbonate benefit of handle
With the without hindrance whereabouts of self gravity, release carbon dioxide is reacted with dilute sulfuric acid.It is the carbon dioxide of generation, heat, total containing water vapor bubbles
Same-action, which melts brokenly PVA isolation film 3, eliminates bubble by defoaming plate 4, dehydrates by molecular sieve desiccant 5.Finally, dry
Carbon dioxide puts out a fire dry powder by the blowout of spray ball 10.Wherein, prefabricated dent FPC circuit 9 is thrust when dry powder is blown out,
FPC circuit series connection heating wire, makes heating wire cut-off stop fever.Test the series connection light emitting diode of switch 20 and 1K resistance, detection
Circuit is intact, and the series connection of master switch 18 ensures when closing in circuit in preservation state, can safe preservation or transport.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to structure of the invention
Think and protection scope is defined, without departing from the design concept of the invention, ordinary engineering and technical personnel in this field
To all variations and modifications that technical solution of the present invention is made, protection scope of the present invention should all be fallen into.
Claims (8)
1. a kind of use for laboratory is without pressure fire extinguisher, characterized in that the glass container (1) including splitting two kinds of materials up and down, up and down
Separated between the material split using the film that feeds intake (2), the film that feeds intake (2) in-built electrical heated filament, perforation glass holds after the film that feeds intake (2) hot melt
The upper and lower material space split of device (1), the material on top are sodium carbonate, and underlying material is dilute sulfuric acid, hold sodium carbonate
Glass container is suitable for reading to be sealed by water-solubility PVA plastic foil (3), is set on the water-solubility PVA plastic foil (3) of glass container (1)
Having defoaming plate (4), is equipped with drying chamber (5) within glass container (1) one week suitable for reading, drying chamber (5) is built-in with molecular sieve desiccant,
Drying chamber (5) lower side connection gas-guide tube (6), gas-guide tube (6) are passed through in dry powder storage silo (7), in dry powder storage silo (7)
It is stored with dry powder fire extinguishing agent, the lower part of dry powder storage silo (7) is to export and be equipped with metal bellows (8), dry powder storage silo (7)
Outlet is equipped with prefabricated dent FPC film (9), and prefabricated dent FPC film (9) is built-in with FPC thin film circuit, and prefabricated dent FPC is thin
Circuit is broken in FPC thin film circuit after film (9) is damaged, and the end of metal bellows (8) is equipped with the dry powder spray that surface is covered with aperture
Penetrate ball (10).
2. use for laboratory according to claim 1 is without pressure fire extinguisher, characterized in that the glass container (1) is suitable for reading upwards
Extend aeroscopic plate (11), the channel that aeroscopic plate (11) is formed is equipped with defoaming plate (4), and aeroscopic plate (11) is equipped with gas port
(12) with drying chamber (5) connection.
3. use for laboratory according to claim 1 is without pressure fire extinguisher, characterized in that the glass container (1) and dry powder are deposited
In suitcase (13), the two is arranged side by side for warehouse (7) setting, and dry powder storage silo (7) outlet port connects institute in transverse side
The outlet lower section of the metal bellows (8) stated, dry powder storage silo (7) is lined with resilient cushion (14).
4. use for laboratory according to claim 2 is without pressure fire extinguisher, characterized in that the film that feeds intake of the glass container (1)
(2) direction centre necking is formed round table-like on, and aeroscopic plate (11) extends to form inverted round table-like, glass container (1) outward
Drying chamber (5) are connected to form by vertical closed plate at the maximum outside diameter of top necking and aeroscopic plate (11).
5. use for laboratory according to claim 3 is without pressure fire extinguisher, characterized in that further include DC power supply (15), temperature control
Switch (16), mercury inclination angle (17) switch and master switch (18), FPC thin film circuit, temperature detect switch (TDS) (16), electricity in the film that feeds intake (2)
Heated filament, DC power supply (15), mercury switch of inclination (17) and master switch (18) series connection form control circuit, mercury switch of inclination and
DC power supply (15) setting is in suitcase (13), and temperature detect switch (TDS) (16) extends out of suitcase (13), and master switch (17) is set
It sets on suitcase (13) shell.
6. use for laboratory according to claim 5 is without pressure fire extinguisher, characterized in that the interior heating wire of the film that feeds intake (2) is simultaneously
It is associated with 315M wireless transmitter module, 315M wireless receiving alarm module is arranged in external environment, and 315M wireless receiving alarm module connects
It is connected to loudspeaker and mains supply.
7. use for laboratory according to claim 5 is without pressure fire extinguisher, characterized in that temperature detect switch (TDS) (16) is four, two
It forms one group after being cascaded, forms temperature detect switch (TDS) group after two groups of temperature detect switch (TDS)s (16) are in parallel again and connect into control circuit.
8. use for laboratory according to claim 6 is without pressure fire extinguisher, characterized in that temperature detect switch (TDS) group position is also in parallel
There is measurement circuit, measurement circuit includes the light emitting diode being cascaded, 1K resistance and testing button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093822.1A CN109847253B (en) | 2019-01-30 | 2019-01-30 | Laboratory pressureless fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093822.1A CN109847253B (en) | 2019-01-30 | 2019-01-30 | Laboratory pressureless fire extinguisher |
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| CN111589017A (en) * | 2020-05-28 | 2020-08-28 | 航天康达(北京)科技发展有限公司 | Built-in perfluorohexanone fire extinguishing system and fire extinguishing method for ceiling |
| CN111589020A (en) * | 2020-05-28 | 2020-08-28 | 航天康达(北京)科技发展有限公司 | Perfluorohexanone quick fire extinguishing device and fire extinguishing system |
| CN111760212A (en) * | 2020-07-15 | 2020-10-13 | 温州阳格凡电子科技有限公司 | Emergency protection device for experiment dealing with violent reaction phenomenon |
| CN116285846A (en) * | 2022-12-17 | 2023-06-23 | 南通联恒新材料有限公司 | Preparation method and application of self-defoaming polyurethane solvent-free adhesive |
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| CN116285846A (en) * | 2022-12-17 | 2023-06-23 | 南通联恒新材料有限公司 | Preparation method and application of self-defoaming polyurethane solvent-free adhesive |
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