CN209204529U - Miniature aerosol fire-extinguishing device for circuit board - Google Patents
Miniature aerosol fire-extinguishing device for circuit board Download PDFInfo
- Publication number
- CN209204529U CN209204529U CN201821209485.5U CN201821209485U CN209204529U CN 209204529 U CN209204529 U CN 209204529U CN 201821209485 U CN201821209485 U CN 201821209485U CN 209204529 U CN209204529 U CN 209204529U
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- fire
- powder column
- circuit board
- aerosol
- hole
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The utility model discloses a kind of miniature aerosol fire-extinguishing device for circuit board, belong to fire control technology field, including shell, lower cover, aerosol powder column, Lighter, starter, it is characterized in that, further including cooling-part, stitch, shell, lower cover form the cavity of a sealing, cavity is separated into epicoele, cavity of resorption by thermal insulation board, aerosol powder column, cooling device are located at upper intracavitary, and shell upper is equipped with multiple escape orifices, and escape orifice is blocked by sealing film or sealing-plug；The aerosol powder column is located at epicoele bottom, and there are gaps for powder column surrounding and shell；A counterbore is set at the top of aerosol powder column, Lighter is installed in counterbore；The cooling-part is the cooling ball in the phase mutual gap stacked.Present apparatus initial stage energy automatic shutdown circuit plate power supply on fire simultaneously issues alarm of fire, and can put out fire source automatically, can be caused by various ways such as warming, cigarette sense, open fires, fire extinguishing is implemented in reliable starting.
Description
Technical field
The utility model patent is related to fire-fighting fire extinguishing equipment field, molten more particularly to a kind of miniature gas for circuit board
Glue extinguishing device.
Background technique
General electronic apparatus is on fire be all cause due to internal component aging fever or short circuit it is on fire, and its
Since electric appliance casing blocks, it has been found that when, other components are often damaged because of the on fire of some module, such as
Computer power is on fire and burns out mainboard, and video card etc., for another example electric car charger is on fire to put out in time, to burn out electronic
Vehicle.These circuit point of origins are often in various small spaces, such as enging cabin, the luggage compartment of transformer, power distribution cabinet, vehicle
Deng need in the place and aircraft of, all electricity consumptions, distribution and other distribution for needing electricity and conversion, vehicle, ship with gasoline,
The place that diesel oil, aviation kerosine are used as power, due to the aging of electric wire, the leakage of oil sources, the fire hazards such as adverse circumstances cause life
Fire, be generally all difficult to early detection and discover, often a Mars, so that it may cause a high fire, cause serious people
Member's injures and deaths and equipment damage.In this case, the quick extinguishing of local region can play a multiplier role.These
Occasion, fire extinguishing difficult point is that inner space gap is relatively narrow, there is shell cladding, and dry powder extinguisher is difficult to effectively cover, water system fire extinguishing
Device can cause short circuit and not be suitable for electrical fire.Existing miniaturization fast fire-extinguishing apparatus is seldom, and presence cannot automatically cut off electricity
The power supply of road plate or electronic device；The defects of range of putting out a fire is small.
Summary of the invention
The purpose of the utility model is to provide a kind of initial stage energy automatic shutdown circuit plate power supply on fire and issue fire police
Report, and the miniature aerosol fire-extinguishing device for circuit board of fire source can be put out automatically, it can be more by warming, cigarette sense, open fire etc.
Kind mode causes, and fire extinguishing is implemented in reliable starting.
The utility model proposes a kind of miniature aerosol fire-extinguishing device for circuit board, including shell, lower cover, stitch,
Aerosol powder column, cooling device, starter, shell, lower cover form the cavity of a sealing, and cavity is separated by thermal insulation board
Chamber, cavity of resorption, aerosol powder column, cooling device are located at upper intracavitary, and shell upper is equipped with multiple escape orifices, escape orifice by sealing film or
Sealing-plug blocks；
The aerosol powder column is located at epicoele bottom, powder column surrounding and shell there are gap, and aerosol powder column top sets one
Counterbore is installed with Lighter in counterbore；
The cooling device is located above aerosol powder column, the cooling ball in the phase mutual gap including stacking；
The starter includes battery, the sensing element by connection, the sensing element be temperature switch,
Smoke-sensing switch, heat cause one of line or a variety of, and battery is intracavitary under being located at；Stitch welding or grafting are on circuit boards.
It preferably, further include power-supply controller of electric, power controller circuit includes board power, power switch, closed type
Relay, the path of winding in parallel for picking out closed type relay, output branch, closed type relay on the electrode line of board power
The path of winding other end of device is connected to temperature switch in parallel, smoke-sensing switch, is then connected in the negative line of power supply；It is normally closed
It connects and is connected in the negative line of power supply after normally closed switch, circuit board device work in the output branch road of type relay.
It connects on electrode line after power switch safety box.
Temperature switch, smoke-sensing switch are connected in parallel on two conducting wires, and two conducting wires and heat cause first of line on lower lid
Cable-through hole enters cavity of resorption, wherein a conducting wire is connected to one end of battery, the other end leading-out wire of battery is passed through on thermal insulation board
Second cable-through hole is connected with Lighter, and another conducting wire passes through the second cable-through hole and be connected with Lighter, and two conducting wires are by Lighter
Access forms access；Heat causes line and connect across the second cable-through hole with Lighter, aerosol powder column.
First cable-through hole, the second cable-through hole gap sealed with electric insulating sealant, the thermal insulation board be ceramics or asbestos material
Matter；The cooling ball is the particle of sodium bicarbonate, quartz sand or ceramic material.
The cooling device further includes steel wire, spring, and spring one end compresses sheath top plate, and the other end passes through steel wire network pressure
Real cooling ball, and cooling ball is made to compress aerosol powder column.
The sealing film is the thin film for being close to outer surface of outer cover, or is close to the thin film of inner surface of outer cover.
The battery is rechargeable battery, and the stitch is conductor, if there are two stitch, the outer termination difference of two stitch
Connect the electrode line of board power, in negative line, two stitch inner ends are separately connected the positive and negative polarities of battery, and circuit board is powered
It is charged the battery afterwards by two stitch.
The escape orifice is a circle or two circle straight holes or taper hole；Alternatively, the hole that the escape orifice is staggered for two circles, two
A wherein circle in collar aperture is speaker hole, another circle then for aperture it is opposite fall speaker hole.
It fixes, charge the beneficial effects of the utility model are: conductive stitch integrates, passing through the overhead peace of stitch
Dress is not required to occupy circuit board space, and charge function makes battery realize that automatic charging supplements when the power is insufficient, extends battery and uses
Service life, the cumbersome work for avoiding disassembly circuit board housing, dismantling this miniature fire extinguisher；The temperature of kindling is detected in temperature switch
Degree initiation value or smoke-sensing switch detect the smokescope initiation value of kindling, then temperature switch or smoke-sensing switch conducting, make two
Conducting wire is powered, and connects battery, so that Lighter is powered and lights a fire, lights aerosol powder column, and aerosol powder column lights rear transient evaporation, on
Intracavitary air pressure increases severely suddenly, fills the sealing film that broken seal blocks up escape orifice, is sprayed by surrounding outside multiple escape orifices, realizes fire extinguishing,
Meanwhile when temperature switch or smoke-sensing switch are connected, the path of winding of the closed type relay of power-supply controller of electric is powered, so that often
The normally closed switch of the output branch road of closed form relay disconnects, and realizes the power-off of the device works such as circuit board, avoids because of fire
Cause the generation of the secondary disasters such as electrical fire；It is additionally provided with heat and causes line, when encountering open fire or temperature reaches heat initiation line burning point,
Heat causes line and then burns, and lights Lighter and aerosol powder column, is also able to achieve fire extinguishing；Cooling ball in the upper lumen of tube body,
When rushing on aerosol powder column point gasification, hot aerosol can be made to cool, and cooling ball occupies big quantity space, makes pipe
The upper lumen of body only has limited headroom excessively, is conducive to keep high pressure；This fire extinguisher is daily to the used time, and the spring at nozzle is logical
It crosses steel wire and pushes cooling ball to aerosol powder column, so that cooling ball will not be loosened, be rolled, and make Lighter in cooling ball
It is contacted always with aerosol powder column under pressure effect, aerosol powder column is ignited gasification and generates high pressure gas, and high pressure gas is up
Punching, when by multiple cooling balls, passes through in irregular narrow gap between cooling ball, and unbalanced channel generates huge
Pressure shake, also drives cooling ball and steel wire to rush upwards, and at this moment the spring at nozzle is pressurized can play balanced, buffer function,
So that air-flow is relatively evenly filled brokenly the sealing film of each escape orifice, is conducive to improve range, but also hot aerosol in course of injection
Injection flow uniformly, stablize；The circle of escape orifice one is speaker hole, and another circle is then the aperture opposite when of falling speaker hole, can
So that its range covers wider, the small far firing range for falling speaker hole is exported, exports that big speaker hole range is close, and the two is complementary,
Realize peripheral region all standing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the power controller circuit figure of the utility model embodiment one；
Fig. 3 is the structural schematic diagram of the utility model embodiment two；
Appended drawing reference: shell 1, escape orifice 2, spring 3, steel wire 4, cooling ball 5, Lighter 6, aerosol powder column 7, first
Cable-through hole 8, thermal insulation board 9, sealing film 10, battery 11, lower cover 12, stitch 13, heat cause line 14, conducting wire 15, temperature switch 16, electricity
It is source controller 17, epicoele 18, cavity of resorption 19, the second cable-through hole 20, smoke-sensing switch 21, board power 30, power switch 31, normally closed
Type relay 32, electrode line 33, path of winding 34, output branch 35, circuit board device work 36, negative line 37, safety box
38。
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
Embodiment one
Referring to Fig.1, Fig. 2, the present embodiment include including shell 1, lower cover 12, stitch 13, and shell 1, lower cover 12 form one
Cavity is separated into epicoele 18, cavity of resorption 19 by the cavity of sealing, thermal insulation board 9, aerosol powder column 7, cooling device be located at it is upper intracavitary, outside
Shell top is equipped with multiple escape orifices 2, and escape orifice is blocked by sealing film 10；The aerosol powder column 7 is located at 18 bottom of epicoele, medicine
Column surrounding and shell set a counterbore at the top of aerosol powder column 7, Lighter 6 are installed in counterbore there are gap；The cooling-part
Above aerosol powder column, the cooling ball 5 in the phase mutual gap including stacking further includes steel wire 4, spring 3, spring 3 one
The tight sheath top plate of side pressure, the other end are compacted cooling ball 5 by steel wire 4, and cooling ball 5 is made to compress aerosol powder column 7.It is described to open
Dynamic device includes battery 11, the sensing element by connection, and the sensing element is temperature switch 16, smoke-sensing switch
21, heat causes line 14, and battery is located in cavity of resorption 19；The welding of stitch 13 or grafting are on circuit boards.
Further include power-supply controller of electric 17, power controller circuit include board power 30, power switch 31, closed type after
Electric appliance 32, the path of winding 34 in parallel for picking out closed type relay, output branch 35 on the electrode line 33 of board power 30, often
34 other end of path of winding of closed form relay is connected to temperature switch 16 in parallel, smoke-sensing switch 21, is then connected to power supply
Negative line 34 on；It connects on the output branch 35 of closed type relay and connects after normally closed switch, circuit board device work 36
In the negative line 37 of power supply.It connects on electrode line 33 after power switch safety box 38.Temperature switch 16, smoke-sensing switch 21
It being connected in parallel on two conducting wires 15, two conducting wires 15 and heat cause the first cable-through hole 8 that line 14 passes through on lower lid and enter cavity of resorption 19,
In a conducting wire be connected to one end of battery 11, the other end leading-out wire of battery passes through the second cable-through hole and electricity on thermal insulation board 9
Match 6 is connected, and another conducting wire passes through the second cable-through hole 20 and be connected with Lighter 6, and two conducting wires form the access of Lighter 6 logical
Road；Heat causes line 14 and connect across the second cable-through hole 20 with Lighter 6, aerosol powder column 7.First cable-through hole 8, the second cable-through hole
20 gap is sealed with electric insulating sealant, and the thermal insulation board is ceramics or asbestos material；The cooling ball is sodium bicarbonate, quartz
The particle of sand or ceramic material.The sealing film 10 is the thin film for being close to outer surface of outer cover.The battery 11 is chargeable
Battery, the stitch 13 is conductor, if there are two stitch, the outer termination of two stitch 13 is separately connected the anode of board power
On line, negative line, two stitch inner ends are separately connected the positive and negative polarities of battery 11, give electricity to by two stitch after circuit board energization
Pond charging.The escape orifice 2 encloses the hole being staggered for two, and the wherein circle in two collar aperture is speaker hole, and another circle is then to open
The opposite speaker hole of degree.
Aerosol powder column is the solid aerosol extinguishing chemical of S type by electrically activating, and redox reaction shape occurs in its own
At a large amount of agglutination types fire extinguishing aerosol, ingredient is mainly N2, a small amount of CO2, metal salt solid particle etc., and extinguishing mechanism is as follows:
First is that gas chemistry inhibits: under heat effect, the gasified metal ion decomposed in aerosol of putting out a fire or the cation for losing electronics
Compatible reaction can occur with aflame active group, largely consume active group repeatedly, reduce burning free radical.Second is that solid
Phase Chemical Inhibition: the diameter of particle very little (10-9~10-6m) in fire extinguishing aerosol has very big surface area and surface energy,
Adsorbable aflame active group, concurrent biochemical effect, largely consumes active group, reduces burning free radical.Third is that drop
Low oxygen concentration: N2, CO2 in fire extinguishing aerosol can reduce oxygen concentration in burning, but its speed is that slowly, fire extinguishing acts on much
Less than absorbing and cooling temperature, Chemical Inhibition.Foam is not generated, the fire extinguishing suspended particulates of smoke-like are generated.
Embodiment two
Referring to Fig. 3, the present embodiment is basically the same as the first embodiment, the difference is that, cooling-part only has cooling ball 5,
Spring, steel wire are not set, and escape orifice 2 is straight hole.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure transformation made by using the description of the utility model and the drawings is applied directly or indirectly in relevant
Technical field is included in the scope of patent protection of the utility model.
Claims (9)
1. a kind of miniature aerosol fire-extinguishing device for circuit board, which is characterized in that including shell, lower cover, stitch, aerosol
Powder column, cooling device, starter, shell, lower cover formed one sealing cavity, thermal insulation board by cavity be separated into epicoele, under
Chamber, aerosol powder column, cooling device be located at it is upper intracavitary, shell upper be equipped with multiple escape orifices, escape orifice is by sealing film or sealing
Plug blocks；
The aerosol powder column is located at epicoele bottom, powder column surrounding and shell there are gap, and aerosol powder column top sets a counterbore,
Lighter is installed in counterbore；
The cooling device is located above aerosol powder column, the cooling ball in the phase mutual gap including stacking；
The starter includes battery, the sensing element by connection, and the sensing element is temperature switch, cigarette sense
Switch, heat cause one of line or a variety of, and battery is intracavitary under being located at；
Stitch welding or grafting are on circuit boards.
2. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 1, which is characterized in that further include electricity
Source controller, power controller circuit include board power, power switch, closed type relay, the anode of board power
Parallel connection picks out the path of winding of closed type relay, output branch, the path of winding other end connection of closed type relay on line
Temperature switch in parallel, smoke-sensing switch, be then connected in the negative line of power supply；It goes here and there the output branch road of closed type relay
It is connected in the negative line of power supply after joining normally closed switch, circuit board device work.
3. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 2, which is characterized in that power switch
It connects on electrode line afterwards safety box.
4. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 1, which is characterized in that temperature is opened
Pass, smoke-sensing switch are connected in parallel on two conducting wires, and two conducting wires and heat cause the first cable-through hole that line passes through on lower lid and enters cavity of resorption,
Wherein a conducting wire is connected to one end of battery, and the other end leading-out wire of battery passes through the second cable-through hole and electrical fire on thermal insulation board
Bavin is connected, and another conducting wire passes through the second cable-through hole and be connected with Lighter, and two conducting wires access Lighter to form access；Heat is drawn
Hair line passes through the second cable-through hole and connect with Lighter, aerosol powder column.
5. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 4, which is characterized in that first crosses line
Hole, the second cable-through hole gap sealed with electric insulating sealant, the thermal insulation board be ceramics or asbestos material；The cooling ball is carbon
The particle of sour hydrogen sodium, quartz sand or ceramic material.
6. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 1, which is characterized in that the cooling
Device further includes steel wire, spring, and spring one end compresses sheath top plate, and the other end is compacted cooling ball by steel wire, and makes cold
But ball compresses aerosol powder column.
7. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 1, which is characterized in that the sealing
Film is the thin film for being close to outer surface of outer cover, or is close to the thin film of inner surface of outer cover.
8. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 1, which is characterized in that the battery
For rechargeable battery, the stitch is conductor, if there are two stitch, the outer termination of two stitch is separately connected board power
On electrode line, negative line, two stitch inner ends are separately connected the positive and negative polarities of battery, are given after circuit board energization by two stitch
Battery charging.
9. a kind of miniature aerosol fire-extinguishing device for circuit board according to claim 1, which is characterized in that described to release
Kong Weiyi circle or two circle straight holes or taper hole；Alternatively, the escape orifice is the hole that two circles are staggered, the wherein circle in two collar aperture
For speaker hole, another circle is then the opposite speaker hole of aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209485.5U CN209204529U (en) | 2018-07-27 | 2018-07-27 | Miniature aerosol fire-extinguishing device for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209485.5U CN209204529U (en) | 2018-07-27 | 2018-07-27 | Miniature aerosol fire-extinguishing device for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209204529U true CN209204529U (en) | 2019-08-06 |
Family
ID=67452465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821209485.5U Withdrawn - After Issue CN209204529U (en) | 2018-07-27 | 2018-07-27 | Miniature aerosol fire-extinguishing device for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209204529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108771805A (en) * | 2018-07-27 | 2018-11-09 | 湖南安民科技有限责任公司 | Miniature aerosol fire-extinguishing device for circuit board |
-
2018
- 2018-07-27 CN CN201821209485.5U patent/CN209204529U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108771805A (en) * | 2018-07-27 | 2018-11-09 | 湖南安民科技有限责任公司 | Miniature aerosol fire-extinguishing device for circuit board |
| CN108771805B (en) * | 2018-07-27 | 2023-06-27 | 湖南安民科技有限责任公司 | Miniature aerosol fire extinguishing device for circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190806 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190806 Effective date of abandoning: 20230627 |