CN103826704B - The generation gas type fire extinguishing system of liquid strengthening and correlation technique - Google Patents

The generation gas type fire extinguishing system of liquid strengthening and correlation technique Download PDF

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Publication number
CN103826704B
CN103826704B CN201180073596.2A CN201180073596A CN103826704B CN 103826704 B CN103826704 B CN 103826704B CN 201180073596 A CN201180073596 A CN 201180073596A CN 103826704 B CN103826704 B CN 103826704B
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China
Prior art keywords
housing
fire
chamber
gas
cooling
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CN201180073596.2A
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Chinese (zh)
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CN103826704A (en
Inventor
W·P·桑普森
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Norway Grumman Innovation Systems Inc.
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ALIANT TECHNOLOGICAL SYSTEM Co
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Priority to PCT/US2011/055091 priority Critical patent/WO2013052055A1/en
Publication of CN103826704A publication Critical patent/CN103826704A/en
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C13/00Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/02Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals
    • A62C13/22Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals with incendiary substances producing pressure gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H9/00Equipment for attack or defence by spreading flame, gas or smoke or leurres; Chemical warfare equipment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H9/00Equipment for attack or defence by spreading flame, gas or smoke or leurres; Chemical warfare equipment
    • F41H9/04Gas-blowing apparatus, e.g. for tear gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00Blasting cartridges, i.e. case and explosive
    • F42B3/04Blasting cartridges, i.e. case and explosive for producing gas under pressure

Abstract

Fire-extinguishing apparatus is included therein and is disposed with the housing of gas generating material, for the lighter of igniting gas generating material and cooling system.Cooling system includes the first chamber and the second chamber being wherein disposed with coolant material.Coolant material is made to flow into the second chamber from the first chamber to make the gas formed by igniting gas generating material be cooled when housing is discharged under stress.Cooling system also includes being arranged in the first intracavity and in response to the movable piston of gas pressure.Method for extinguishing by cooling gas and the method for fire extinguishing include: make fire-suppressant gas flow into the first and second chambeies of cooling system;Coolant material is made to flow into the second chamber from the first chamber;Contact with coolant material with making fire-suppressant gas, in order to extinguishing by cooling gas.

Description

The generation gas type fire extinguishing system of liquid strengthening and correlation technique
Technical field
Embodiments of the invention usually relate to fire extinguishing.Embodiments of the invention relate to having gas Generator and the fire-extinguishing apparatus of cooling system, and it is directed to use with what this fire-extinguishing apparatus was put out a fire Method.The method that embodiments of the invention further relate to utilize coolant to make fire-suppressant gas cool down.
Background technology
In the past, Kazakhstan dragon alkyl halide (Halon halocarbons) has in terms of fire extinguishing widely should With.Term " is breathed out dragon alkyl halide " and is often referred to alkyl halide or halogenated hydrocarbons, including the alkane being connected with halogen One group of compound of hydrocarbon, and refer in particular to brominated alkyl halide.Breathe out dragon alkyl halide and extinguish majority Be typically the most effectively during type fiery, the most non-conductive, be easy and fast to dissipate and not Formed residue and be safer for limited Human body package.In the past, breathe out dragon Alkyl halides such as Halon 1301 (bromotrifluoromethane, CBrF3) exist as extinguishing chemical Typically it is very badly suited for applying in the region of water injection system or building and applies or to such Region and building are applied, these regions e.g. data and computer center, museum, Library, operating room or application extinguishing chemical based on water can be to electronic unit, important archive collections Etc. other places causing irremediable loss.
Environment is had it has been found that breathe out dragon alkyl halide due to the ozone-depleting effect to air Adverse effect.
Summary of the invention
Fire-extinguishing apparatus is disclosed as including: housing, and it has the gas generation material being arranged therein Material;Trigger, it is configured at least some of to form gas of igniting gas generating material; With the cooling system being arranged adjacent to housing.Cooling system includes wherein being disposed with coolant material The first chamber and the second chamber.Upon actuation, coolant material is at least some of from the first chamber stream Enter the second chamber, in order to mix with the gas formed by igniting gas generating material, and make this gas Body cools down.In certain embodiments, fire-extinguishing apparatus also includes the first chamber being arranged in cooling system Interior piston, described piston is movable at the first intracavity, so that coolant material pressurizes and makes cold But agent material flows into the second chamber from the first chamber.But coolant material liquid.
It is disclosed as including by the method for fire-extinguishing apparatus fire extinguishing: igniting gas generating material, with shape Become fire-suppressant gas;Fire-suppressant gas is made to flow into the first chamber and second chamber of cooling system;With by profit Force piston to move in the first chamber with fire-suppressant gas, make coolant material flow into the from the first chamber Two chambeies.Coolant material can mix with fire-suppressant gas, and makes fire-suppressant gas cool down.Coolant material The mixture of material and fire-suppressant gas can be drawn towards fire.
Method for extinguishing by cooling gas is also disclosed as including: make fire-suppressant gas flow into the first chamber With the second chamber;By utilizing fire-suppressant gas against promoting piston to make piston be operatively disposed at the In one chamber;By utilizing piston against promoting coolant material to make coolant material flow from the first chamber Enter the second chamber;Mix in the second chamber with fire-suppressant gas with making coolant material.
Accompanying drawing explanation
Fig. 1 is the sectional view of the gas generator of fire-extinguishing apparatus according to an embodiment of the invention.
Fig. 2 is the sectional perspective view of gas generator shown in Fig. 1.
The gas generator shown in Fig. 1 that Fig. 3 intercepts along line 3-3 as shown in Figure 1 The sectional perspective view of a part.
Fig. 4 A to 4C illustrates cuing open of the cooling system of fire-extinguishing apparatus according to an embodiment of the invention View.
Fig. 5 illustrates the section view of the cooling system of fire-extinguishing apparatus according to another embodiment of the present invention Figure.
Fig. 6 A and 6B illustrates the cooling system of fire-extinguishing apparatus according to another embodiment of the present invention Sectional view.
Fig. 7 illustrates the section view of the cooling system of the fire-extinguishing apparatus according to one more embodiment of the present invention Figure.
Fig. 8 illustrates cuing open of the cooling system of the fire-extinguishing apparatus of the extra embodiment according to the present invention View.
Detailed description of the invention
Fig. 1 to 8 illustrates a part of embodiment of the fire-extinguishing apparatus according to the present invention.The present invention's Fire-extinguishing apparatus includes gas generator (see Fig. 1-3) and is configured to make gas generator produce The cooling system (see Fig. 4 A-8) of fire-suppressant gas cooling.
Fig. 1 illustrates the section view of the embodiment of the gas generator 20 of the fire-extinguishing apparatus according to the present invention Figure.Gas generator 20 includes generator body 22, is positioned at the first of generator body 22 First end wall 24 of longitudinal end is relative with first longitudinal end be positioned at generator body 22 Second longitudinal end at the second end wall 76.Generator body the 22, first end wall 24 and High temperature that two end walls 76 all can produce during being activated by bearing gas generator 20 and/or pressure Material make.Such as, generator body the 22, first end wall 24 and the second end wall 76 are equal Can be by metal (such as, steel), polymer, composite (such as, fibrous composite), And one or more in pottery make.First and second end walls 24,76 can be with generator shell Body 22 forms or is separately formed and passes through such as to weld, binding agent, crimping, screw thread, Machanical fastener, press-fit etc. is attached to generator body 22.
Gas generating material 52 may be arranged in generator body 22, for producing gas (example As, fire-suppressant gas).The material being used as gas generating material 52 includes such as inflatable Safety of vehicle passengers constrained system (such as, gas-bag system) field in known material. The composition being applicable to gas generating material 52 it is known to the person skilled in the art that also And can desired for producing the application of gas and different according to the gas produced.For fire extinguishing Application, the region occupied especially for people, the gas generating material 52 of gas generant tablet 66 Can be HACN composition, as authorize Hinshaw et al. U.S. Patent No. 5,439,537, 5,673,935,5,725,699 and 6, disclosed in 039,820, each patent disclosure exists This is by with reference to merged.But the HACN recrystallization used in gas generating material 52 And include less than about 0.1% activated carbon or carbon.By keeping in gas generating material 52 The carbon of low amounts, can make carbonaceous gas (such as CO, CO when gas generating material 52 burns2 Or its mixture) amount minimize.Alternatively, can use there is the activity reaching about 1% The technical grade HACN of charcoal or carbon.It is also envisioned that: it is used as traditional gas generating material (its Produce and do not include carbonaceous gas or NOXCombustion product).
HACN composition or other gas generating materials 52 can include extra component, such as oxygen Agent, spark enhancers, trajectory modifier, cinder strengthener, coolant, chemical, At least one in inorganic bond or organic bond.By example, HACN composition can wrap Include at least one in copper oxide, titanium dioxide, Guanidine nitrate (1:1), strontium nitrate and glass.? The a lot of additives used in gas generating material 52 can serve many purposes.Merely for example Reason, the additive as oxidant can be to gas generating material 52 offer cooling, projectile correction, Or slag strengthens characteristic.Oxidant can be used for promoting the oxidation of activated carbon present in HACN or The oxidation of the group ammonia being coordinated to cobalt in HACN.Oxidant can be ammonium nitrate, alkali metal nitre Hydrochlorate, alkaline earth nitrate, ammonium perchlorate, alkali metal perchlorate, alkaline earth perchlorate, Ammonium peroxide, alkali-metal peroxide, or alkaline earth peroxide.Oxidant may also be transition gold Belonging to class oxidant, such as cuprio oxidant, it includes but not limited to, basic copper nitrate ([Cu2(OH)3N03])("BCN")、CU2O or CuO.In addition to as oxidant, Cuprio oxidant can be used as coolant, ballistics modifier, or slag reinforcing agent.When gas occurs When material 52 burns, cuprio oxidant can produce cupric combustion product, such as metallic copper and oxidation Cuprous, this cupric combustion product can mix with cobalt combustion product such as metallic cobalt and cobalt oxide.This A little combustion products produce slags, slag at the burning surface of sheet 56 or near fusing prevent shape Become granule.Cuprio oxidant also can reduce the pressure index of gas generating material 52, thus reduces The pressure dependency of burn rate.Typically, at atmospheric pressure or close to the situation of atmospheric pressure Under, it is easier to light including the gas generating material containing HACN of cuprio oxidant and faster Burn fastly.But, due to the dependency to lower pressure, they are in the highest pressure (example The pressure of the most about 3000psi) under more slowly burn.
Being probably solid material by example gas generating material 52, this solid material is formed as big The sheet 66 that body is cylindrical.The sheet 66 of gas generating material 52 all can have one or more running through Its hole, improves and when gas generator activates with the offer of lighting to gas generating material 52 Increase the air-flow through gas generator 20.The sheet 66 of gas generating material 52 can be set to one Individual or multiple stack, as illustrated in fig. 1.Sheet 66 each stacks can cloth at least in part Put in gas generating container 54.Each gas generating container 54 general cylindrical is also Accommodate and run through its hole, to improve lighting of gas flowing and gas generating material 52.Space 34 may be provided between each gas generating container 54, to allow gas in gas generator 20 During actuating, flowing is through container 54.Any number of gas generating container 54 may be arranged at generation In device housing 22.The quantity of gas generating container 54 and the amount of gas generating material 52 can be changed Become, in order to such as reduce provided the amount of fire extinguishing, the cost of fire-extinguishing apparatus, fire-extinguishing apparatus Weight etc..
With reference to the Fig. 1 being combined with Fig. 2, the sheet 66 of gas generating material 52 may utilize at gas The first holding dish 62 of one end of generation container 54 and be arranged in another of gas generating container 54 Second holding dish 64 of end is held in place in gas generating container 54.First and second keep Dish 62,64 all can have the one or more holes running through it, to allow igniting product and/or gas Body flows through them.Alternatively, extra holding dish (not shown) may be arranged at gas generation material Between each 66 of material 52.
If Fig. 1 is to as shown in 3, the first holding plate 48 can be positioned in generator body 22, Close to the first end wall 24, and the second holding plate 70 can be positioned in generator body 22, connects Nearly second end wall 76.First and second holding plates 48,70 can be configured in gas generator 20 Housing 22 in gas generating container 54 is held in place.First holding plate 48 can include recess 36, seed material 50 may be arranged in this recess.First holding plate 48 can include running through it Hole 44, to allow igniting product through the first holding plate, causes for when gas generator 20 Igniting gas generating material 52 time dynamic.The actuating of gas generator 20 can be by being positioned proximate to First end wall 24 and be positioned proximate at least one of lighter 72 of seed material 50 and enter OK.By example, lighter 72 can be configured to igniting during such as fire alarm actuating Ignition.Therefore, when lighter 72 activates, seed material 50 is ignited, result Gas generating material 52 is ignited and burnt, to produce fire-suppressant gas.In other words, gas is sent out Green material 52 can be reacted, to form fire-suppressant gas when contacting the igniting product of seed material 50.
Referring again to Fig. 1, the second end wall 76 can include hole 78, to allow by gas generating material 52 fire-suppressant gas produced flow through the second end wall from gas generator 20 out.Block piece 81 May be provided at above the hole 78 in the second end wall 76, to prevent before gas generator activates Material is through via 78, and allows the pressure in gas generator 20 to increase, in order to gas occurs The burning of material 52 is from maintaining.Block piece 81 can be arranged to when enough pressure applies The pressure sensitive block piece ruptured time on it, thus permit when gas generator 20 activates Permitted by fire-suppressant gas produced by the burning of gas generating material 52 through via 78.By example, Block piece 81 foil, and can be selected to when predetermined pressure is more than gas generator 20 Rupture during outside ambient pressure.
Although referring to figs. 1 to 3 specific embodiments illustrating gas generator 20, but the present invention is not It is limited to this.By example, fire-suppressant gas or other fire extinguishing materials, (it can be from fire extinguishing material diffluence Heat extraction, for application-specific) any source can be used together with the cooling system of the present invention.
As seen in FIG, gas generator 20 may be connected to cooling system, such as, exist It is described in more detail below the cooling system 100 of (Fig. 4 A to 4C).Connecting element 30 energy can Selection of land is arranged between gas generator 20 and cooling system 100.In other embodiments, cold But system 100 may be coupled directly to gas generator 20, such as by welding, and crimping, it is press-fitted Close, screw thread, bonding agent, machanical fastener etc..Therefore, by going out that gas generator 20 produces Fire material can be through the hole 78 in the second end wall 76 of gas generator 20 and enter cooling system 100, as will be described below in more detail.
Although, the view of Fig. 4 A to 8 is shown without gas generator, but it is understood that above-mentioned Gas generator may be positioned to the cooling system of neighborhood graph 4A to 8, in order to occurred by gas The fire-suppressant gas that device produces and discharges can be cooled.Such as, when at Fig. 4 A to 8 Perspective view in observe time, above-mentioned gas generator 20 can be attached in the bottom of cooling system Arbitrary cooling system to Fig. 4 A to 8.Therefore, gas can discharge gas generation through via 78 Device 20, and enter any one in cooling system 100,200,300,400,500, in order to Flow through cooling system and be cooled, as will be described below in more detail.
With reference now to Fig. 4 A, it is shown that and describe the cooling system 100 of fire-extinguishing apparatus.Cooling system System 100 can include the first chamber 110 at least partially defined by the first housing 132.First chamber 110 include being arranged therein and be configured to when enough power (such as, pressure) be applied for By the piston 112 moved in the first chamber 110 during piston 112.One or more sealing members 114 (such as, o-ring) may be arranged between piston 112 and the first housing 132, encloses to stop Fluid communication around piston 112.Coolant material 130 may be arranged in the first chamber 110.Cold But agent material 130 can be provided in the first chamber 110 by such as charging port 118.Coolant Material 130 can be at least in liquid form before cooling system 100 works.But, in cooling In system 100 work process, at least some of coolant material 130 can evaporate, to form gas State material, as will be described below in more detail.In the course of the work, coolant material 130 The first chamber 110 can be flowed out through nozzle 116.Nozzle 116 can by pressure-sensitive block piece 117 (such as, Paper tinsel) cover or close, as described above in the block piece 81 with reference to Fig. 1.
Cooling system 100 can include the second chamber at least partially defined by the second housing 122 120.Second housing 122 can include flange 123 alternatively, for being connected to gas generator 20.The plate 124 with at least one opening 126 running through it may be arranged at the second housing 122 In.Second housing 122 can include at least one opening 140, discharges first for by it Fire-suppressant gas, thus put out a fire.
Fig. 4 B and 4C illustrates in running order cooling system 100.Fire-suppressant gas is by connecting Gas generator 20 (Fig. 1-3) to cooling system 100 produces, and fire-suppressant gas can discharge shell Body 22 also flows into cooling system 100.Fire-suppressant gas can be against the structure of the form of 124 in plate Flowing, thus increase the pressure that fire-suppressant gas discharges the housing 22 of plate 124 upstream.This increase Pressure can more effectively act on the coolant material 130 in the first chamber 110 by piston 112 On.In other words, the pressure of fire-suppressant gas can against promoting piston 112 in the first chamber 110, Thus force piston 112 move in the first chamber 110 and be pressed against coolant material 130.Therefore, The size of plate 124 and corresponding opening 126 can be reduced, to cause enough pressure to make piston 112 motions.Due to the motion of piston 112, coolant material 130 can make covering nozzles 116 Block piece 117 (Fig. 4 A) pressurized and rupture so that coolant material flow into cooling system Second chamber 120 of 100.Fire-suppressant gas can flow through at least one in plate 124 at least partially Opening 126 also enters the second chamber 120.The coolant material 130 flowing through nozzle 116 can contact Flow through the fire-suppressant gas in the second chamber 120 and be allowed to cool.According to involved material (such as, Coolant material 130 and fire extinguishing material) and condition (such as, temperature, pressure etc.), coolant Discharging nozzle 116 and can the gasifying and become when contacting fire-suppressant gas at least partially of material 130 For vaporific or the most substantially gaseous state.This phase transformation can remove heat extraction from fire-suppressant gas, therefore can improve Its cooling.Therefore, fire-suppressant gas and coolant material 130 combination (in liquid, gas, Or the combination of liquids and gases form) comparability is in discharge gas generator 20 and enters cooling system System 100 fire-suppressant gas temperature with reduce temperature through opening 140 from cooling system 100 Discharge.The temperature of the reduction of fire-suppressant gas can carry its high extinguishing effect and can be reduced or eliminated going out Can be close to the injury (such as, burn) of the people of fire extinguishing system during fire system activation.
If see in figure 4 c, piston 112 can continue move past the first chamber 110, from And force coolant material 130 to flow into the second chamber 120, until against promoting coming of piston 112 Fully reduce from the pressure of fire-suppressant gas or basic all liq coolant is forced to from the first chamber 110 discharge.
Multiple material can be used as coolant material 130.In one embodiment, coolant material At least one changeable material that absorbs heat can be included.Heat absorption changeable material can include a kind of liquid, described Liquid can be evaporated when contacting with the fire-suppressant gas produced by igniting gas generating material 52 And/or decompose, this can make fire-suppressant gas cool down.
In certain embodiments, heat absorption changeable material can endothermic decomposition and/or evaporation, to form volume Outer gaseous products, therefore increases the amount of produced gaseous product.The increasing of the amount of gaseous product Add the amount that can reduce the gas generating material 52 that fire-extinguishing apparatus normally works required.By reducing gas The required amount of body generating material 52, the size of the gas generator 20 of fire-extinguishing apparatus can reduce, Thus reduce cost and/or the size of fire-extinguishing apparatus, and/or increase the extinguishing ability of fire-extinguishing apparatus.
Suitably coolant material 130 can include fluent material, and this fluent material is at fire-extinguishing apparatus The ambient temperature (such as between about-35 DEG C and about 85 DEG C) that can work wherein remains liquid Body.It addition, the spawn formed by coolant material 130 can be at answering with specifically fire extinguishing In limiting with relevant acceptable effluent.And, coolant material 130 is the most non-corrosive Property, to contribute to being stored in the first chamber 110.Generally meet the coolant 130 of this standard Example include with calcium chloride (CaCl2) water that mixes and the water with mixed with propylene glycol.
In addition to coolant material 130 or as the part of coolant material 130, first Chamber 110 may be included in the one or more activity fire extinguishing chemical combination being generally used for fire extinguishing with fire when contacting Thing.The example of spendable chemism extinguishing compound includes potassium acetate and alkali metal hydrogen carbonate Salt.
Such as, compared to the similar devices of other modes lacking liquor kalii acetici, potassium acetate and The weight ratio of water be 30% solution can reduce needed for the amount of gas generating material 52 and generation The size of device housing 22 and the weight about 40% of theme fire-extinguishing apparatus, and to the first chamber 110 Size or the extinguishing ability of fire-extinguishing apparatus the most substantially change.
Another embodiment of the cooling system 200 of the fire-extinguishing apparatus of the present invention shown in Fig. 5.Figure The cooling system 200 of 5 is similar to the cooling system 100 shown in Fig. 4 A to 4C and can include The first chamber 110 of being at least partially defined by the first housing 132, by the second housing 122 at least The second chamber 120 partly limited and the piston 112 being arranged in the first chamber 110.First chamber 110 can be at least partially filled with the coolant material 130 such as provided by charging port 118. One or more sealing members 114 (such as, o-ring) can be arranged around piston 112, with resistance The only fluid stream around piston 112.Second housing 122 can include for gas generator (example Such as, above-mentioned gas generator 20) flange 123 that is connected, there is at least one running through it The plate 124 of opening 126 and the opening 140 of its discharge fire-suppressant gas of process.But, cooling system With the difference of the cooling system 100 of Fig. 4 A to 4C, system 200 is that cooling system 200 wraps Include the one or more openings 216 around the second housing 122 radial arrangement, for cooling down Agent material 130 injects wherein.One or more openings 216 can be by pressure-sensitive block piece 217 (example As, paper tinsel) cover, as described above with reference to block piece 81 and 117.
Cooling system 200 can be in the following areas in the way of being similar to reference to Fig. 4 A to 4B description Work, i.e. the fire-suppressant gas entering cooling system 200 can be pressed against piston 112, thus causes Piston moves in the first chamber 110.Pressurized coolant material 130 can make block piece 217 rupture, Thus allow coolant material 130 to flow into the second chamber 120 through one or more openings 216, To mix with fire-suppressant gas and being allowed to cool.But, shown in Fig. 4 A to 4C The position of nozzle 116, the one or more openings 216 radially around the second housing 122 can make Mixing and cooling characteristics improve.
Although Fig. 4 A to 5 illustrates that (it has by the first housing 132 cooling system 100,200 The first chamber 110 at least partially defined, the first chamber 110 is neighbouring by the second housing 122 at least The second chamber 120 partly limited) embodiment, but the invention is not restricted to this.Such as, One chamber 110 can be at least partially disposed in second housing 122 in the second chamber 120.By separately One example, the second chamber 120 can be at least partially disposed in the first housing 132.By further Example, the first chamber 110 can be at least partially laterally around the second chamber 120.The cooling of the present invention Other exemplary embodiments of system 300,400,500 shown in Fig. 6 A to 8 and under Face is described in more detail.
With reference to Fig. 6 A, cooling system 300 can include being at least partially defined by the first housing 332 The first chamber 310 (it has the coolant material 130 being arranged therein).By the second housing 322 The second chamber 320 at least partially defined can be at least partially disposed at the first housing 332 and In one chamber 310.Piston 312 may be arranged in the first chamber 310, and can laterally surround restriction A part for second housing 322 in the second chamber 320.One or more sealing members 314 are (such as, O-ring) may be arranged between piston 312 and the first housing 322 and at piston 312 and Between two housings 322, to stop the fluid communication around piston 312.First housing 332 can Including flange 323, it is connected for gas generator.Have and run through its at least one and open The plate 324 of mouth 326 may be arranged in the second chamber 320.Second housing 322 can include running through it One or more openings 316, thus between the first and second chambeies 310,320 provide fluid Connection.One or more openings 316 can be covered by pressure-sensitive block piece 317 (such as foil), With prevention fluid company through one or more openings 316 when cooling system 300 does not work Logical.
If see in figures 6 a and 6b, when fire-suppressant gas is introduced into cooling system 300 Time in bottom (when observing in the perspective view at Fig. 6 A and 6B), fire-suppressant gas can be against pushing away Dynamic piston 312, thus force it to move across the first chamber 310.At least some of fire-suppressant gas can Flow through the one or more openings 326 in plate 324 and enter the second chamber 320.Piston 312 Motion can force coolant material 130 to cause block piece 317 to rupture and flow into the second chamber 320, To mix with the fire-suppressant gas flowing through the second chamber and being allowed to cool.Therefore, as above, Fire-suppressant gas can be by coolant material 130 before or after discharging from cooling system 300 Cooled.
Fig. 7 illustrates another embodiment of the cooling system 400 of the fire-extinguishing apparatus according to the present invention. Cooling system 400 shown in Fig. 7 is similar to the cooling system 300 shown in Fig. 6 A to 6B And the first chamber 310 at least partially defined by the first housing 332, the first chamber 310 can be included At least partially laterally around the second chamber 320 at least partially defined by the second housing 322. Coolant material 130 may be arranged in the first chamber 310.One or more openings 316 are extensible Through the second housing 322, in order to provide fluid communication between the first and second chambeies 310,320. Block piece 317 can cover one or more opening 316, as above.Have and run through it The plate 324 of at least one opening 326 may be arranged in the second chamber 320.But, cooling system 400 do not include piston.On the contrary, cooling system 400 can include through the second housing 322 by separately Extra one or more openings 406 that one block piece 407 covers, another block piece 407 class It is similar to above-mentioned block piece 81,117,217,317.Extra one or more openings 406 Can be positioned in the stream before plate 324, in order to the fire-suppressant gas flowing through cooling system 400 can Make another block piece 407 rupture and enter the first chamber 310 so that pressurizeing in the first chamber 310, and Coolant material 130 is caused to make block piece 317 rupture and flow into the second chamber through opening 316 320.Therefore, coolant material 130 can be before discharging cooling system 400, as described above, Mix with the fire-suppressant gas flowing through the second chamber 320, and be allowed to cool.
Fig. 8 illustrates another embodiment of the cooling system 500 of the fire-extinguishing apparatus according to the present invention. Cooling system 500 shown in Fig. 8 is similar to the cooling system 300 shown in Fig. 6 A to 6B And the first chamber 310 at least partially defined by the first housing 332, the first chamber 310 can be included At least partially laterally around the second chamber 320 at least partially defined by the second housing 322. Coolant material 130 may be arranged in the first chamber 310.One or more openings 316 are extensible Through the second housing 322, in order to provide fluid communication between the first and second chambeies 310,320. Block piece 317 can cover one or more opening 316, as above.Have and run through it The plate 324 of at least one opening 326 may be arranged in the second chamber 320.But, cooling system 500 do not include piston.On the contrary, cooling system can include being arranged in closest to fire smothering gas body source (example Such as, gas generator 20 as above) the first chamber 310 longitudinal end at perforated plate 508. The hole of perforated plate 508 is referred to alternatively as the opening that at least one is extra.It is similar to above-mentioned block piece 81, the extra block piece 507 of 117,217,317,407 can cover perforated plate 508.Stream The fire-suppressant gas of cooled system 500 can make extra block piece 507 rupture, and through perforation Plate 508 enters the first chamber 310.Fire-suppressant gas can make the first chamber 310 pressurize and cause coolant Material 130 makes block piece 317 rupture and flows into the second chamber 320 through opening 316.Therefore, Coolant material 130 can discharged before cooling system 500, as described above, and flows through the The fire extinguishing material mixing in two chambeies 320, and be allowed to cool.
The present invention includes the method for extinguishing by cooling gas.Fire-suppressant gas can flow into cooling system The first chamber and the second chamber.First chamber and the second chamber can be closer to each other.Fire-suppressant gas can be pushed against Piston in first chamber is so that piston movement, so that the coolant material in the first chamber is from One chamber flows into the second intracavity.Coolant material can mix with the fire-suppressant gas in the second chamber, so that Fire-suppressant gas cools down.As any one in reference Fig. 4 A to 8 is described above, can go out The cooling of fire of moxibustion body.
Present invention additionally comprises the method for fire extinguishing.This method can include using gas generating material Produce fire-suppressant gas, as above, and make fire-suppressant gas cool down.By making fire-suppressant gas stream Cooled system, fire-suppressant gas can be cooled.Fire-suppressant gas can force coolant material from first Chamber flows into the second chamber, to mix with fire-suppressant gas and to make fire-suppressant gas cool down.In some embodiments In, fire-suppressant gas can force piston to move at the first intracavity, so that coolant material pressurization, and It is made to flow through nozzle or lead to the opening of the second intracavity.Mix at coolant material and fire-suppressant gas Afterwards, produced mixture can be discharged from the second chamber.Mixture is drawn towards fire and/or is discharged into Wherein there is the space of fire, to put out a fire.As described above referring to figs. 1 to 3, can Produce fire-suppressant gas.In reference Fig. 4 A to 8, any one is described above, can extinguishing by cooling Gas.
Although the present invention can make various modification and alternative form, but specific embodiment passes through Example in accompanying drawing is illustrated and is the most explained.But, the present invention is not Expect to be limited to particular form disclosed herein.On the contrary, the present invention contains and falls into the scope of the invention Interior all modification, combination, equivalent and substitute, the scope of the present invention is wanted by appended right Its legal equivalents of suing for peace limits.

Claims (19)

1. a fire-extinguishing apparatus, comprising:
Housing, it has the gas generating material being arranged therein;
Trigger, it is with the most operably associated of gas generating material and is configured to Igniting gas generating material at least some of, in order to form gas when trigger activates;With
Being arranged adjacent to the cooling system of housing, described cooling system includes limit the first chamber One housing and limit second housing in the second chamber, the first housing and the second housing have respective the One opening and respective second opening, the first opening is neighbouring has the gas generation being arranged therein The housing of material, the second opening is relative with the housing with the gas generating material being arranged therein, It is disposed with coolant material, wherein when being arranged therein in response to discharging to have in the first chamber The pressure of the gas of the housing of gas generating material and when activating, by being arranged in the first intracavity Movable piston causes at least some of of coolant material to flow into the second chamber from the first chamber, lives Fill in the inner surface from the first housing and extend to the outer surface of the second housing, wherein in response to discharging tool Having the pressure of the gas of the housing of the gas generating material being arranged therein, piston can be relative to One housing and the second housing motion,
There is the housing of the gas generating material being arranged therein, the first housing and the second housing structure Cause and provide axial flow path, described axial stream to the gas formed when igniting gas generating material Curb axial direction extends, vertically from the housing with the gas generating material being arranged therein Direction by the first opening of the first housing of cooling system and extends to cooling system against piston The first housing in, in axial direction extended by the first opening of the second housing of cooling system In the second housing of cooling system, and in axial direction by the second housing of cooling system The second opening extend the second housing of cooling system.
Fire-extinguishing apparatus the most according to claim 1, wherein piston also includes being arranged in piston And at least one sealing member that first between housing and between piston and the second housing, to stop Fluid flows between the outer surface of piston and the inner surface of the first housing and the second housing.
Fire-extinguishing apparatus the most according to claim 1, wherein by gas generating material extremely A few part be reacted to form pressure produced by gas for making piston relative to the first housing and Second housing motion also makes at least some of of coolant material flow into the second chamber from the first chamber.
Fire-extinguishing apparatus the most according to claim 1, wherein coolant material includes at least one Plant heat absorption changeable material.
Fire-extinguishing apparatus the most according to claim 4, wherein heat absorption changeable material includes one Liquid, described liquid steams when contacting with the gas formed by igniting gas generating material At least one in sending out and decomposing.
Fire-extinguishing apparatus the most according to claim 5, wherein heat absorption changeable material with by point Extra gaseous product is formed during the gas contact that gas generant material is formed.
Fire-extinguishing apparatus the most according to claim 4, wherein heat absorption changeable material includes water.
Fire-extinguishing apparatus the most according to claim 7, wherein heat absorption changeable material also includes chlorine Change calcium, propylene glycol, at least one in potassium acetate and alkali metal hydrogencarbonate.
Fire-extinguishing apparatus the most according to claim 1, wherein the first housing of cooling system Second opening is configured to coolant material stream is introduced the second chamber.
Fire-extinguishing apparatus the most according to claim 9, it also includes leading to the first chamber at least One extra opening, forces coolant material at least for the pressure allowing fire-suppressant gas A part flows into the second chamber from the first chamber.
11. fire-extinguishing apparatus according to claim 1, it also includes being arranged in the second chamber Structure, described structure is for increasing the pressure of the gas discharging housing, to act on coolant material On material.
12. fire-extinguishing apparatus according to claim 11, wherein said structure includes having passes through Wear the plate of its at least one opening.
13. fire-extinguishing apparatus according to claim 1, wherein the first chamber be positioned to laterally adjacent to Second chamber.
14. fire-extinguishing apparatus according to claim 1, wherein the first chamber is at least partially laterally Around the second chamber.
15. 1 kinds of methods with fire-extinguishing apparatus fire extinguishing, described method includes:
Light the gas generating material in gas generation housing, to form fire-suppressant gas;
Fire-suppressant gas is made in axial direction to flow into by the first shell of cooling system from gas generation housing The first chamber that body limits and the second chamber of being limited by the second housing of cooling system;
By force piston in response to fire-suppressant gas pressure in axial direction along and relative to The inner surface of one housing and the outer surface of the second housing move in the first chamber, make coolant material The second chamber is flowed into, in the whole process that piston moves in the first chamber from the first chamber of cooling system Middle piston is fully accommodated in the first chamber;
Fire-suppressant gas is made to contact with coolant material, so that the fire-suppressant gas cooling in the second housing; With
Make the fire-suppressant gas combination with coolant material in axial direction from the second housing fluid.
16. methods according to claim 15, it also includes fire-suppressant gas and coolant The compositions of material guides fire into.
17. 1 kinds of methods for extinguishing by cooling gas, described method includes:
Fire-suppressant gas is made in axial direction to flow into first opening in the first chamber limited by the first housing The first opening with the second chamber limited by the second housing close to the first chamber;
By the pressure of fire-suppressant gas is applied to piston, make to be fully disposed in the first chamber and The piston of the outer surface extending to the second housing from the inner surface of the first housing is the most relative In the first housing and the second housing motion;
In response to the motion of piston, the coolant material being arranged in the first chamber is made to flow from the first chamber Enter the second chamber;
Fire-suppressant gas is made to contact in the second chamber with coolant material, so that fire-suppressant gas cooling;
Fire-suppressant gas is made in axial direction to flow through the second chamber from the first opening of the second housing;With
Fire-suppressant gas is made in axial direction to flow through second from the second housing with the combination of coolant material Second opening of housing.
18. methods according to claim 17, it also includes igniting gas generating material, To form fire-suppressant gas.
19. methods according to claim 17, wherein make coolant material flowing include making In water, calcium chloride, propylene glycol, potassium acetate, alkali metal hydrogencarbonate and a combination thereof thing at least A kind of flowing.
CN201180073596.2A 2011-10-06 2011-10-06 The generation gas type fire extinguishing system of liquid strengthening and correlation technique Active CN103826704B (en)

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JP2014528322A (en) 2014-10-27
AU2011378460B2 (en) 2016-06-02
JP6216319B2 (en) 2017-10-18
CA2849009A1 (en) 2013-04-11
EP2763751A1 (en) 2014-08-13
CA2849009C (en) 2018-05-22
AU2011378460A1 (en) 2014-04-03
AU2016216605B2 (en) 2018-10-25
CN103826704A (en) 2014-05-28
AU2016216605A1 (en) 2016-09-01
WO2013052055A1 (en) 2013-04-11

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