WO2004097760A1 - 煙幕生成装置 - Google Patents
煙幕生成装置 Download PDFInfo
- Publication number
- WO2004097760A1 WO2004097760A1 PCT/JP2003/005585 JP0305585W WO2004097760A1 WO 2004097760 A1 WO2004097760 A1 WO 2004097760A1 JP 0305585 W JP0305585 W JP 0305585W WO 2004097760 A1 WO2004097760 A1 WO 2004097760A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- smoke
- gas
- generating device
- outlet
- screen generating
- Prior art date
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 579
- 238000002485 combustion reaction Methods 0.000 claims abstract description 112
- 239000007789 gas Substances 0.000 description 99
- 239000003795 chemical substances by application Substances 0.000 description 77
- 230000000694 effects Effects 0.000 description 10
- 230000006399 behavior Effects 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 8
- 238000005192 partition Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 230000004913 activation Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000003517 fume Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical group [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010037844 rash Diseases 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000004509 smoke generator Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
- G08B15/02—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
- F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/40—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using smoke, fire or coloured gases
Definitions
- the present invention mainly warns or intimidates a thief or an intruder by smoking or sounding (igniting sound), and at the same time, obstructs the view by smoking, deters or delays the action, and steals a protected property.
- Smoke generator to deter criminal activity and P direction mainly warns or intimidates a thief or an intruder by smoking or sounding (igniting sound), and at the same time, obstructs the view by smoking, deters or delays the action, and steals a protected property.
- smoke-emitting devices have been used, for example, for emergency, rescue, P-offense, disaster drill, stage performance, and prevention of frost damage on plants.
- a signal tube for example, see Patent Document 1. It is disclosed that in this signal cylinder, a smoke generating agent is ignited and smoke is generated from one direction of the cylinder.
- This crime prevention smoke screen device has a double structure of a gas ejector equipped with a gas tank filled with carbon dioxide gas, and a large number of gas discharges occur in a gas short pipe arranged in the inner cylinder of this gas ejector.
- the high-pressure gas is instantaneously and evenly spread as a wide smoke screen by arranging the holes over the entire length in the longitudinal direction and by extending the gas ejection slits at the top of the outer cylinder in the longitudinal direction. Discharging is disclosed.
- the liquid is heated and held, and a plurality of heated vaporizing devices are used.
- the method of continuously emitting smoke from the system has a problem that the amount of smoke emitted per unit time is small and it takes time to obtain a desired amount of smoke.
- the method in which gas is held in a gas tank at a high pressure and a wide curtain-shaped smoke screen is instantaneously ejected from a plurality of gas discharge holes through gas ejection slits is limited in the ejection direction. Also, since the smoke is in the form of a curtain, there is a problem that it takes time to spread the smoke.
- Patent Document 1
- Patent Document 2
- the present invention has been made in order to solve such a problem.
- the purpose of the present invention is to eliminate the need for a device such as a heating device and a pressure accumulator device, to instantly (shortly) cut off the field of view by fuming,
- An object of the present invention is to provide a smoke screen generating device capable of threatening.
- a smoke screen generating device includes: an ignition device; A fume generating agent, and a combustion chamber for accommodating a smoke generating agent provided with a plume for emitting gas smoke generated by the combustion of the fume generating agent to the outside; A member is provided.
- the smoke vent is provided on one side of the combustion chamber and on another side different from the negative side.
- the smoke vent is provided on one side surface of the combustion chamber.
- the smoke screen generating device further includes a gas smoke flow path control member that surrounds the outer periphery of the combustion chamber and changes the flow path of gas smoke ejected from the smoke outlet.
- the gas smoke flow path control member includes a cylindrical member attached to the combustion chamber, and a cone-shaped skirt member whose diameter increases toward an opening end of the cylindrical member. Having.
- an ignition device a smoke generating agent which burns and emits smoke by the ignition device, and a combustion device which contains a smoke generating device which emits gas smoke generated by combustion of the smoke generating agent.
- a blowout chamber provided adjacent to the combustion chamber and having a smoke outlet for emitting gas smoke to the outside, and a pressure holding member for holding the pressure of the gas smoke is provided in the smoke outlet provided in the combustion chamber.
- the smoke outlet provided in the ejection chamber is provided on one side of the ejection chamber and on another side different from the one side.
- the smoke outlet provided in the ejection chamber is provided on one side surface of the combustion chamber.
- the smoke screen generating device further includes a gas smoke flow path control member that surrounds the outer periphery of the ejection chamber and changes the flow path of the gas smoke ejected from the smoke outlet.
- the gas smoke flow path control member includes a cylindrical member attached to the ejection chamber, and a cone-shaped skirt member whose diameter increases toward an opening end of the cylindrical member. Having.
- the smoke outlet has an ejection angle of 45 ° to 135 ° with respect to one side surface or the other side surface.
- the smoke outlet is a full opening surface on one side surface.
- the product and the total opening area on the other side have the same or different total opening areas.
- the pressure holding means is a nozzle or a nozzle.
- the smoke generating agent has a combustion speed of 600 O mmZ seconds under a pressure of 5 to 6 MPa.
- the smoke generating agent emits gas smoke when the smoke outlet blows out.
- the pronunciation is 100 to 140 dB.
- FIG. 1 is a cross-sectional view of the smoke screen generating device according to the first embodiment of the present invention.
- FIG. 2 is a side view showing the smoke screen generating device of FIG.
- Fig. 3 is a bottom view showing the smoke screen generator of Fig. 1.
- FIG. 4 is a cross-sectional view of the smoke screen generating device according to the second embodiment of the present invention.
- FIG. 5 is a side view showing the smoke screen generating device of FIG.
- Fig. 6 is a bottom view showing the smoke screen generator of Fig. 4.
- Figure 7 is a schematic diagram of Experimental Example 1.
- Fig. 8 shows the relationship between combustion chamber pressure and combustion time in Experimental Example 1.
- Figure 9 shows the smoke generation status of Experimental Example 1.
- Figure 10 is a flow chart of gas smoke in Experimental Example 1.
- Fig. 11 shows the smoke generation status of Experimental Example 2.
- Figure 12 is a flow chart of gas smoke in Experimental Example 2.
- Figure 13 shows the smoke emission status of Experimental Example 3.
- Figure 14 is a flow chart of the gas smoke in Experimental Example 3.
- Figure 15 shows the smoke generation status of Experimental Example 4.
- Figure 16 shows the smoke situation of Experimental Example 5.
- FIG. 17 is a flow chart of the gas smoke of Experimental Example 5.
- Figure 18 shows the relationship between the pressure in the combustion chamber (nozzle opening area) and the sound pressure level in Experimental Example 6. You.
- FIG. 19 is a sectional view of a smoke screen generating device according to the third embodiment of the present invention.
- FIG. 20 is a cross-sectional view of the smoke screen generating device according to the fourth embodiment of the present invention.
- FIG. 21 is a bottom view showing the smoke screen generating device of FIG.
- FIG. 22 is a side view showing the smoke screen generating device of FIG.
- Figure 23 shows the smoke generation status of Experimental Example 7.
- Figure 24 shows the smoke generation status of Experimental Example 8.
- Figure 25 shows the smoke situation in Experimental Example 9.
- Figure 26 shows the smoke generation status of Experimental Example 10.
- Figure 27 shows the smoke generation status of Experimental Example 11.
- Figure 28 shows the smoke generation status of Experimental Example 12.
- FIG. 29 is a principle diagram of an optical sensor measuring device for measuring a visibility cutoff time.
- FIG. 30 is a bottom view of the smoke screen generating device according to the fifth embodiment of the present invention.
- FIG. 1 to 3 show a smoke screen generating device 1 according to a first embodiment of the present invention.
- the smoke screen generating device 1 includes an ignition device 2, a smoke generating agent 6 that is burned and smoked by the ignition device 2, and a combustion chamber 10 that stores the smoke generating agent 6.
- the igniter 2 has an igniter 3, an igniter case 4 surrounding the igniter 3, and is charged in the igniter case 4, amplifies the energy from the igniter 3, and burns to the smoke generating agent 6. It is provided at the center of the combustion chamber 10 in order to uniformly propagate the combustion flame from the ignition powder 5 to the smoke generating agent 6.
- the igniter 3 has a heating element 3a that generates heat when energized, and an ignition charge 3b that is ignited by the heating element 3a.
- tricinate was used as the ignition charge.
- the ignition device 3 is joined to the cap 7 and placed at the opening of the ignition agent case 4.
- the igniter case 4 is a bottomed cylindrical body made of aluminum with one side opened, and the flame of the igniter 5 that is burned by the flame from the igniter 3 is uniformly transmitted to the smoke generating agent 6.
- a plurality of ignition holes 4a are provided on the circumference of the trunk.
- An aluminum tape 4b is attached to the ignition hole 4a so as to cover the ignition hole 4a in order to prevent moisture and maintain the internal pressure during combustion of the igniting agent.
- the smoke generating agent 6 is formed by tableting a composition of zinc oxide, ammonium perchlorate, sodium chloride, and calcium carbonate.
- the tablet form of smoke agent 6, due granularity of the composition ratio or the composition is adjusted so that the burning rate is about 6, 0 0 O mm / sec under a pressure of 5 ⁇ ⁇ 3 a.
- the size of the nozzles 8a and 8b of the combustion chamber 10 and the dimensions of the tablets are set so that the combustion end time is about 0.5 seconds.
- the combustion chamber 10 has a bottomed cylindrical body 8 having a first smoke outlet 8a on the circumferential side surface and a second smoke outlet 8b on the bottom surface, and a through hole 7 for the igniter 3 in the center.
- the disk-shaped cap 7 provided with a is sealed by welding the outer periphery of the cap 7 to the inner periphery of the chamber 8 and then fixing the outer periphery of the cap 7 by a caulking portion.
- the chamber 8 is formed of stainless steel having a thickness of about 1 mm.
- a nozzle closure 9 a for controlling the burning speed of the smoke generating agent 6, closing the first smoke outlet 8 a and the second smoke outlet 8 b, and maintaining the airtightness of the combustion chamber 10. , 9b are located.
- the Nos' nore closures 9a and 9b confine the gas pressure generated by the combustion of the igniting agent in the combustion chamber, and maintain the pressure in the combustion chamber until the smoke generating agent 6 can start burning at a predetermined combustion rate. And induces the smoke emission 6 to burn.
- the pressure to be held can be set arbitrarily according to the cross-sectional area of each of the smoke outlets (8a, 8b) and the mechanical strength of the nozzle closure.
- first smoke outlet 8a provided on the circumferential side surface and the second smoke outlet 8b provided on the bottom surface will be described in more detail.
- the first smoke outlet 8a provided on the circumferential side surface and the second smoke outlet 8b provided on the bottom surface are provided at an angle of about 90 °.
- the first and second vents 8a and 8b were both approximately 3 nam in diameter and eight in number.
- the combustion flame (smoke, etc.) of the combustion chamber 10 passes through the first and second outlets 8a and 8b and is ejected at an angle of about 90 ° to form a smoke screen.
- the first vent 8a is installed on the circumference to diffuse the smoke over a wide area, and the structure is designed to emit the smoke radially (360 ° direction).
- the smoke emitted from the first nozzle 8a collides with the wall forming the space.
- a gas flow will be generated along that wall, causing smoke to diffuse into the space.
- a second smoke outlet 8b is also installed on the bottom of the chamber 8.
- the number of smoke outlets increases, so that the smoke emission direction can be increased by the smoke from the first smoke outlet 8a and the smoke from the second smoke outlet 8b, thereby improving the smoke diffusion property. I have.
- the first smoke outlet 8a provided on the circumferential side surface and the second smoke outlet 8b provided on the bottom surface are the final outlets where the smoke blows out of the apparatus, After passing through, it is released to the atmosphere without any resistance. Accordingly, the amount of smoke to be ejected is in accordance with the ratio of the total opening area of each of the first smoke outlet 8a and the second smoke outlet 8b. For example, if the ratio of the total opening area of the first smoke outlet 8a and the second smoke outlet 8b is 4: 6, 40% of the total smoke volume is 60 in the circumferential direction. /. Ejects in the axial direction.
- the opening area of the first smoke outlet 8a and the second smoke outlet 8b is set so that the internal pressure of the combustion chamber 10 becomes 5 to 6 MPa.
- the smoke screen generating device 1 is installed, for example, on the ceiling of a vault. Then, for example, when the anomaly detection sensor detects a burglary or other illegal intruder, an activation signal (ignition current) is sent to the smoke screen generating device 1.
- an activation signal ignition current
- a constant current flows through the igniter 3, whereby the igniter is ignited, and the igniter 5 is burned by the flame and impact.
- the flame of the igniting agent 5 propagates from the igniting hole 4a of the igniting agent case 4 to the smoke generating agent 6, and the internal pressure of the combustion chamber 10 increases due to the combustion gas smoke.
- the nozzle caps 9a and 9b that block the first smoke outlet 8a and the second smoke outlet 8b reach the elastic limit and break.
- gas smoke generated by the combustion of the smoke generating agent 6 is emitted from the first smoke outlet 8a and the second smoke outlet 8b.
- gas smoke generated by the combustion of the smoke generating agent 6 passes through the first smoke outlet 8a and the second smoke outlet 8b at a speed exceeding the speed of sound, and is accompanied by sound.
- first smoke outlet 8a and the second smoke outlet 8b are provided.
- either one of the smoke outlets is closed, and the smoke outlet is provided only on one side surface. It is also possible to emit smoke from one direction (corresponding to claim 3).
- a smoke vent may be provided at a boundary portion between the bottom plate and the side plate of the chamber 8 so that gas smoke is emitted from a lower peripheral edge of the smoke screen generating device 1.
- the smoke screen generation device 20 includes an ignition device 22, a smoke generating agent 26 that emits smoke by the ignition device 22, a combustion chamber 30 containing the smoke generation agent 26, And an ejection chamber 31 arranged adjacent to the chamber 30.
- the smoke screen generating device 20 according to the present embodiment is provided with an ejection chamber 31 adjacent to the combustion chamber 30 so that gas smoke is not emitted from the combustion chamber 30 but is emitted from the ejection chamber 31. However, this is different from the smoke screen generating device 1 according to the first embodiment.
- a stainless steel bottomed chamber 28 having a plate thickness of about 1.5 mm, which constitutes the combustion chamber 30, has an ignition device 23 at the center to form an ejection chamber 31 adjacent to the combustion chamber 30.
- a smoke outlet 28a corresponding to the first smoke outlet 8a in the first embodiment is provided on the side wall of the chamber 28 .
- the smoke outlet 28a controls the burning rate of the smoke generating agent 26 Nos 'Norek Mouth 29a to block the vent 2 8a and maintain the airtightness of the combustion chamber 30', and a filter to collect the residue generated after the combustion of the smoke generating agent 26 29 b are placed one on top of the other.
- the nozzle closure 29a confines the gas pressure generated by the combustion of the igniting agent into the combustion chamber, and maintains the pressure in the combustion chamber until the smoke generating agent 26 can start burning at a predetermined combustion speed, thereby generating smoke.
- Agent 26 leads to combustion.
- the pressure to be held can be set arbitrarily according to the cross-sectional area of the first smoke outlet 28a and the mechanical strength of the nozzle closure.
- the combustion chamber 30 has a smoke generating agent 26 inside, and cushion materials 30 a and 30 b holding (removing) the smoke generating agent 26 are vertically arranged so as to surround the smoke generating agent 26.
- a spacer 30c for adjusting the volume is placed on the side of the cushion material 30a.
- the blowout chamber 31 is defined by a cylindrical cover member 32 surrounding the cover portion 28 b of the chamber 28 and the smoke outlet 28 a side of the chamber 28, and the smoke outlet 28 a of the combustion chamber 30.
- a cylindrical partition member 33 which is arranged so as to surround the smoke outlet 28a at an interval, and a cover portion 28 of the chamber 28, which supports the partition member 33 and the cover member 32 together with the cover member 32.
- the partition member 34 is fixed.
- the vent chamber 31 has a first chamber 31a communicating with the smoke outlet 28a of the combustion chamber 30, a second chamber 31b communicating with the first chamber 3la, and a second chamber 3b.
- the third chamber is in contact with 1b and 3lc is formed.
- the first chamber 31 a guides the gas smoke ejected from the smoke outlet 28 a of the combustion chamber 30 to the second chamber 3 lb, and the second chamber 3 lb corresponds to the hole 3 4 of the partition member 34.
- the gas smoke is led to the third chamber 31c through a, and the third chamber 31c is formed from the first smoke outlet 32a provided on the side wall and the second smoke outlet 32b provided on the bottom. Emit gas fumes.
- the first smoke outlet 32 a provided on the side wall and the second smoke outlet 32 b provided on the bottom surface correspond to the first smoke outlet 8 a provided on the circumferential side surface and the bottom surface in the first embodiment. Both are provided at an angle of about 90 °, similar to the second vent 8b provided.
- first smoke outlet 32a and the second smoke outlet 32b will be described in detail.
- the first vent 3 2a is installed in the body to diffuse the smoke widely, and (60 ° direction).
- the diameter of the first smoke outlet 32a was about 8 mm and the number of ports was 20 considering the strength of the container.
- the smoke emitted from the first smoke outlet 32a collides with the wall forming the space. Therefore, when the device is installed on any of the walls forming the space, a gas flow is generated along the wall, and the smoke is diffused into the space.
- a second vent 32 b is also installed on the bottom of the vent room 31.
- the direction of smoke emission is increased, and the smoke direction is changed between the smoke from the first smoke outlet 32a and the smoke from the second smoke outlet 32b, thereby improving the diffusion of the smoke.
- the gas smoke in the combustion chamber 30 passes through each resistor as described below, and is perpendicular to the surface of the second smoke outlet 32b (the first smoke outlet 3b). Since the gas smoke flow path is formed in parallel with the surface of 2a), smoke is more likely to be emitted from the second smoke outlet 32b, and smoke is less likely to be emitted from the first smoke outlet 32a. .
- the gas smoke passage route is as follows: the smoke outlet 28 a of the combustion chamber 30 ⁇ the first chamber 31 a ⁇ the second chamber 31 b ⁇ the third chamber 31 c ⁇ the first smoke outlet 32 a and It becomes 2 vents 3 2b. Therefore, as described in Experimental Example 5 described later, when the number of the first smoke outlets 32a with a diameter of 8 mm and the number of the second smoke outlets 32b with a diameter of 6 mm were 20 each, the amount of smoke Almost all of the eruptions erupt from the second outlet 32b (axial direction), and only a small amount erupts from the first outlet 32a.
- the ratio of the volume of smoke from the first smoke outlet 32a and the second smoke outlet 32b was determined by fixing the opening area of the first smoke outlet 32a to 8 mm in diameter and 20 smoke holes. Assuming that the opening diameter of the second smoke outlet 3 2b is 6 mm, the number of smoke outlets of the second smoke outlet 3 2b increases, and the amount of smoke from the second smoke outlet 3 2b becomes the first smoke outlet 3 2a There are more relationships. Also, in this case, if the number of second smoke outlets 3 2b exceeds 12, most of the smoke will erupt from the second smoke outlet 32b and the amount of smoke from the first smoke outlet 32a will be small .
- the diameter of the second smoke outlet 32 b is about 6 mm due to the combined dimensions of the parts. Was.
- the internal pressure of the combustion chamber 30 is controlled by the smoke outlet 28a, and the opening area of the second smoke outlet 32b does not affect the internal pressure control. It is possible to install up to about 30, which is the maximum number that can be installed, and it is possible to install the optimal number according to the shape of the target space.
- the smoke screen generating device 20 is installed, for example, on the ceiling of a vault.
- an activation signal (ignition current) is sent to the smoke screen generator 20.
- the igniter 23 b is ignited, and the igniter 25 is burned by the flame and impact.
- the flame of the igniting agent 25 propagates from the igniting hole 24 a of the igniting agent case 24 to the smoke generating agent 26, and the combustion gas smoke increases the internal pressure of the combustion chamber 30.
- gas smoke generated by the combustion of the smoke generating agent 26 passes through the smoke outlet 28 a from the filter 29 b and the nozzle closure 29 a, and is blocked by the partition member 33 of the ejection chamber 31. It flows from one room 31a to the second room 31b, and further passes through the hole 34a of the partition member 34 to the third room 31c, and the first smoke outlet 32a and the second smoke outlet 3 2b smoke is emitted.
- the gas smoke generated by the combustion of the smoke generating agent 26 passes through the smoke outlet 28a at a speed exceeding the speed of sound, which is accompanied by sound generation.
- the activation switch that contacts the smoke screen generator 20 is provided. It can be operated in the same way by manually inputting.
- the first smoke outlet 32a and the second smoke outlet 32b are provided.
- a smoke outlet was provided at the boundary between the bottom plate and side plate of
- Gas smoke may be emitted from the lower periphery of the zero.
- this embodiment is located at a position 30 cm from the ceiling in the center of a room 50 having a width of about 5.3 mX, a depth of about 2. lmX, and a height of about 2.3 m (about 26 m 3 ).
- a smoke screen generator 20 was installed.
- the number of the first vent 32a and the second vent 32b of the apparatus of this experimental example 1 were 20 and 8, respectively. At that time, a sound pressure measurement sensor 51 was installed to measure the sound pressure level.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent is completed in about 0.5 seconds, and the smoke goes out of the first smoke outlet 32a and the second smoke outlet 32b in about 1 to 2 seconds after the smoke emitting agent starts burning. It was erupted.
- the relationship between the time and the pressure in the combustion chamber is as shown in Fig. 8, and it can be seen that after about 0.5 seconds, the pressure in the combustion chamber becomes atmospheric pressure and the pressure in the combustion chamber is released. Therefore, after about 0.5 seconds, it can be determined that the burning of the smoke generating agent has been completed.
- Figures 9 (A), (B), and (C) show the smoke emission status immediately after operation, 0.2 seconds later, and 0: 5 seconds later, respectively.
- the emitted smoke had no large deviation in the amount of smoke emitted from each of the smoke outlets 32a and 32b, and was diffused all around the device, and was spread throughout the space in several tens of seconds.
- the smoke flow at that time is as shown in Figure 10.
- the test operator entered the diffused smoke screen and confirmed the visibility and freedom of action.
- test workers could see the effect of losing visibility after several tens of seconds and deterring their behavior.
- the sound pressure level of the operating sound emitted from the combustion of the smoke generating agent to the eruption is about 1 20 It is about 130 dB, which indicates that when used for crime prevention, it is possible to threaten with sound as well as with smoke.
- the smoke screen generating device 20 according to the present embodiment was installed in the center of the room 50 in the same manner as in Experimental Example 1.
- the number of the first vent 32 a and the second vent 32 b was set to 20 and 3, respectively.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent was completed in about 0.5 seconds, and the smoke was discharged from the smoke outlets 32a and 32b approximately 1 to 2 seconds after the start of the combustion of the smoke generating agent.
- Figures 11 (A), (B), and (C) show the smoke emission status immediately after the operation, after 0.2 seconds and after 0.5 seconds, respectively.
- the amount of smoke emitted from the first smoke outlet 32a increased, and the amount of gas ejected in the circumferential direction of 360 ° increased, increasing the momentum in the circumferential direction. Such a flow was generated and spread.
- the smoke screen generating device 20 according to the present embodiment was installed in the center of the room 50 in the same manner as in Experimental Example 1. .
- the numbers of the first vent 32a and the second vent 32b were set to 20 and 12 respectively.
- the igniter was energized by remote control to activate the device.
- the burning of the smoke generating agent was completed in about 0.5 seconds, and the smoke was ejected from the smoke outlets 32a and 32b approximately 1 to 2 seconds after the burning of the smoke generating agent S started.
- Figures 13 (A), (B) and (C) show the smoke emission status immediately after the operation, after 0.2 seconds and after 0.5 seconds, respectively.
- the number of the first smoke outlet 32 a and the number of the second smoke outlet 32 b was 20 and 10, respectively.
- the smoke screen generator 20 was installed near the center of the wall with a height of about 1.2 m.
- the igniter was energized by remote control to activate the device.
- the smoke screen generator 20 according to the present embodiment was installed in the center of the room 50 in the same manner as in Experimental Example 1.
- the number of the first vent (diameter 8 mm) 32 a and the number of the second vent (diameter 6 mm) 32 b were set to 20 each.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent was completed in about 0.5 seconds, and the smoke was discharged from the smoke outlets 32a and 32b approximately 1 to 2 seconds after the combustion of the smoke generating agent.
- the smoke screen generating device 20 according to the present embodiment was installed in the center of the room 50 in the same manner as in Experimental Example 1. -Here, the smoke screen generation device 20 according to the present embodiment is a first smoke outlet 3 2 having a diameter of 8 mm. a and the number of second smoke outlets 3 2b with a diameter of 6 mm are fixed to 20 and 8 respectively, and the opening area of the smoke outlet 28 a is about 53 mm 2 to about 27 75 mm 2 The sound pressure level during operation was measured with a sound pressure sensor.
- the internal pressure of the combustion chamber 30 varies in the range of 2.6 to 14.4 MPa, and the sound pressure level at that time is 91 to 1 38 dB.
- Table 1 also shows that the sound pressure level of the device is clear, and that it is possible to warn or intimidate by pronunciation.
- FIG. 19 shows a smoke screen generating device 40 according to the third embodiment of the present invention.
- the smoke screen generator 40 according to the present embodiment is different from the smoke screen generator 1 according to the first embodiment in that a gas smoke flow path control member 41 is provided outside the combustion chamber 10.
- the gas smoke flow path control member 41 is fixed to the chamber 8 via welding 44.
- the gas smoke flow path control member 41 is a stainless steel tubular member 42 having a thickness of 1.5 mm, and is attached to the inner surface of the tubular member 42.
- One end of the opening of the tubular member 42 is provided.
- a cone-shaped skirt member 43 whose diameter increases from 43 a toward the other opening end 43 e.
- a wall surface 43b that comes into contact with the chamber 8 when being fixed to the chamber 8 by welding 44 is formed.
- a cone-shaped skirt portion is provided at the lower end 4 3c of the wall surface 4 3b and the other opening end 4 3e. 4 3d is formed.
- the smoke screen generating device 1 is installed, for example, on the ceiling of a vault. Then, for example, when the anomaly detection sensor detects a burglary or other illegal intruder, an activation signal (ignition current) is sent to the smoke screen generating apparatus 1.
- an activation signal ignition current
- a constant current flows through the igniter 3, whereby the igniter is ignited, and the igniter 5 is burned by the flame and the impact.
- the flame of the igniting agent 5 propagates from the igniting hole 4a of the igniting agent case 4 to the smoke generating agent 6, and the internal pressure of the combustion chamber 10 increases due to the combustion gas smoke.
- gas smoke generated by the combustion of the smoke generating agent 6 is emitted from the first smoke outlet 8a and the second smoke outlet 8b.
- the smoke emitted from the first smoke outlet 8a collides with the cone-shaped skirt portion 4 3d of the gas smoke flow path control member 41, and is collected in the vertical direction of the smoke screen generating device 40. It is spouted vigorously.
- gas smoke generated by the combustion of the smoke generating agent 6 passes through the first smoke outlet 8a and the second smoke outlet 8b at a speed exceeding the speed of sound, and is accompanied by sound.
- the same operation and effect as the smoke screen generation device 1 can be obtained, and the unique characteristic of the gas smoke flow path control member 41 is provided. Operational effects can be obtained.
- the gas smoke ejected from the first smoke outlet 8a is re-aggregated in the vertical axis direction of the smoke screen generating device 40, and the gas smoke having a strong ejection force is formed. Shortening, uniform blocking of the space such as vaults) is improved. In addition, the influence of the shape of the space, such as the vault, which generates the smoke screen, is prevented from being reduced, and the influence of the shape of the space can be reduced. Also, by changing the angle of the skirt portion 43d of the gas smoke flow path control member 41, it is possible to control the behavior of the smoke screen.
- first smoke outlet 8a and the second smoke outlet 8b are provided has been described, but either one of the smoke outlets is closed, and the smoke outlet is provided only on one side, and the gas outlet is provided. It is also possible to emit smoke from one direction.
- FIGS. 20 to 22 show a smoke screen generator 50 according to a fourth embodiment of the present invention.
- the smoke screen generation device 50 according to the second embodiment is different from the smoke screen generation device 50 according to the second embodiment in that a gas smoke flow path control member 51 is provided in the flange portion 28 c and surrounds the outer periphery of the ejection chamber 31. It is different from the device 20.
- the gas smoke flow path control member 51 includes a 1.5 mm thick stainless steel tubular member 52 attached via a bonolet 54 to a flange portion 28 c located outside the ejection chamber 31.
- a cone-shaped skirt member 53 attached to the inner surface of the tubular member 52 and expanding in diameter from one opening end 52 a to the other opening end 52 b of the tubular member 52. Having. At one opening end 52a of the skirt member 53, four screw holes 53a for screwing the bolts 54 are uniformly provided on the circumference.
- the smoke screen generating device 50 according to the present embodiment is installed, for example, on the ceiling of a vault.
- an activation signal (ignition current) is sent to the smoke screen generation device.
- the igniter 23 b is ignited, and the igniter 25 is burned by the flame and impact.
- the flame of the igniting agent 25 propagates from the igniting hole 24 a of the igniting agent case 24 to the smoke generating agent 26, and the combustion gas smoke increases the internal pressure of the combustion chamber 30.
- gas smoke generated by the combustion of the smoke generating agent 26 passes through the smoke outlet 28 a from the filter 29 b and the nozzle closure 29 a, and is blocked by the partition member 33 of the ejection chamber 31. It flows from one room 31a to the second room 31b, and further passes through the hole 34a of the compartment 34 to the third room 31c, and the first plume ⁇ 32a and the second plume Smoke is emitted from mouth 32b. Then, the smoke ejected from the first smoke outlet 32a collides with the gas smoke flow path control member 51, and is ejected vigorously so as to be gathered in the vertical axis direction of the smoke screen generating device 50. In addition, the gas smoke generated by the combustion of the smoke generating agent 26 passes through the smoke outlet 28a at a speed exceeding the speed of sound, which is accompanied by sound generation.
- the visibility cutoff time in this experiment is the time required until there is no difference in smoke density (visibility) in a space such as a safe room (room), and is the time required until complete visibility is cut off. .
- the smoke screen generating device 50 has a width of about 5.3 m ⁇ depth of about 2.lm ⁇ h, similar to the smoke screen generating apparatus 20 of the second embodiment. It was installed about 30 cm from the ceiling in the center of a 2.3 m (volume: about 26 m 3 ) room. In order to measure the visibility cut-off time, the light measurement sensors are equally distributed on one side wall of the room (space) and on the other side wall intersecting this one side wall in four places from the ceiling to the floor. installed.
- this optical measurement sensor is a pair of optical sensors that project and receive light from the amplifier unit 100.
- the amount of transmitted light is determined by the amount of smoke. The fact that the amount of received light changes is used.
- the first plume ⁇ 32 a had a diameter of 8 mm, 20 The diameter of the chimney 32b was 6 mm and the number was 8 pieces.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent was completed in about 0.5 seconds, and the gas smoke was ejected from the first and second smoke outlets in ⁇ 2 seconds after the combustion of the smoke generating agent.
- the escaping gas smoke diffused all around from each of the vents 32a and 32b, and spread over the entire space in tens of seconds.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent was completed in about Q.5 seconds, and the smoke was emitted from the first and second smoke outlets 1-2 seconds after the combustion of the smoke generating agent.
- the erupted smoke diffused uniformly from each of the vents 32a and 32b to the surroundings, and spread throughout the space in tens of seconds.
- the device of this experimental example 9 (corresponding to the smoke screen generating device 60 shown in Fig. 30) is the same as the smoke screen generating device of experimental example 7, except that only the first smoke vent (diameter 8 mm x 20) 32a is provided.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent is completed in about 0.5 second, and the gas smoke is burned by the combustion of the smoke generating agent. It was ejected from the first vent 32a within 1-2 seconds.
- the apparatus of the present experimental example 10 is different from the smoke screen generating apparatus of the experimental example 9 in that the reflection angle of the skirt member 53 is 32.
- the gas smoke flow path control member 51 set in was installed.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent was completed in about 0.5 seconds, and the gas smoke was ejected from the first smoke outlet 32a in 1 to 2 seconds after the combustion of the smoke generating agent S.
- the reflection angle of the skirt member 53 was set to 28 in the smoke screen generation apparatus of Experiment 9.
- the gas smoke flow path control member 51 set in was installed.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent was completed in about 0.5 seconds, and the gas smoke was emitted from the first smoke outlet 32a in 1 to 2 seconds after the combustion of the smoke generating agent.
- the apparatus of Experimental Example 12 was the same as the smoke screen generating apparatus of Experimental Example 9, except that a gas smoke flow path control member 51 in which the reflection angle of the skirt member 53 was set to 23 ° was attached.
- the igniter was energized by remote control to activate the device.
- the combustion of the smoke generating agent was completed in about 0.5 seconds, and the gas smoke was ejected from the first nozzle 32a in 1 to 2 seconds after the combustion of the smoke generating agent.
- FIG. 30 shows a smoke screen generator 60 according to a fifth embodiment of the present invention.
- the smoke screen generator 60 according to the present embodiment is different from the smoke screen generator 20 according to the fourth embodiment in that the second smoke outlet 32b is omitted.
- the smoke screen generating device 60 since the smoke outlet is formed only on the first smoke outlet 32 a formed only on one side surface on the circumferential side surface (curved surface portion), the first smoke outlet 3 2 The gas smoke from a is collected by the gas smoke flow path control member 51, and the effect of improving the diffusivity as a vibrant smoke screen increases. The state becomes possible in a short time.
- the ignition device is arranged directly in the combustion chamber containing the smoke generating agent, the smoke is emitted from the smoke outlet to the outside immediately after the operation to diffuse the smoke screen.
- the smoke is emitted from the smoke outlet to the outside immediately after the operation to diffuse the smoke screen. Can be.
- the combustion chamber is formed in a container that can withstand high pressure, which can increase the internal pressure of the combustion chamber, speeding up the combustion of the smoke generating agent, and reducing the amount of smoke generated per unit time. It will be possible to finish the required gas smoke from the container in a short time.
- the gas smoke is ejected out of the device at a speed exceeding the speed of sound, so that sound can be generated.
- the gas smoke flow path control member since the gas smoke flow path control member is installed, the gas smoke erupted from the smoke outlet is re-aggregated in the vertical axis direction of the smoke screen generator, forming a gas smoke with a strong blast force, and the diffusion of the smoke screen ( This shortens the visibility cutoff time and improves uniform visibility of spaces such as vaults.
- the shape of the space, such as the vault, that generates the smoke screen prevents the gas jet blowout from weakening, thus reducing the effects of the space shape. It becomes possible.
- the behavior of the smoke screen can be controlled.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Engineering & Computer Science (AREA)
- Burglar Alarm Systems (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/005585 WO2004097760A1 (ja) | 2003-05-01 | 2003-05-01 | 煙幕生成装置 |
AU2003235835A AU2003235835A1 (en) | 2003-05-01 | 2003-05-01 | Smoke screen generator |
KR1020057020701A KR100969238B1 (ko) | 2003-05-01 | 2003-05-01 | 연막생성장치 |
CNB038263998A CN100463005C (zh) | 2003-05-01 | 2003-05-01 | 烟幕生成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/005585 WO2004097760A1 (ja) | 2003-05-01 | 2003-05-01 | 煙幕生成装置 |
Publications (1)
Publication Number | Publication Date |
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WO2004097760A1 true WO2004097760A1 (ja) | 2004-11-11 |
Family
ID=33398157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/005585 WO2004097760A1 (ja) | 2003-05-01 | 2003-05-01 | 煙幕生成装置 |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR100969238B1 (ja) |
CN (1) | CN100463005C (ja) |
AU (1) | AU2003235835A1 (ja) |
WO (1) | WO2004097760A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015232864A (ja) * | 2014-06-11 | 2015-12-24 | 株式会社ダイセル | 煙幕発生器およびその使用方法 |
WO2017068956A1 (ja) * | 2015-10-20 | 2017-04-27 | 株式会社ダイセル | 煙幕発生器 |
WO2018109657A1 (en) * | 2016-12-12 | 2018-06-21 | Essence Security International (E.S.I.) Ltd. | Alarm system with smoke generation |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2096609B1 (en) * | 2008-02-26 | 2012-11-21 | Martin Professional A/S | Intruder deterrent system |
CN113819807B (zh) * | 2021-09-18 | 2023-03-31 | 贵州黎阳天翔科技有限公司 | 一种毫米波烟幕发生装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58122186U (ja) * | 1982-02-13 | 1983-08-19 | 春田 健一 | 札束型防犯用発煙装置 |
JPH0625987U (ja) * | 1992-08-28 | 1994-04-08 | 徹 乾 | 防犯用煙幕装置 |
JP2000080860A (ja) * | 1998-09-03 | 2000-03-21 | Kongo Co Ltd | 収納庫の防御システム |
JP2000200394A (ja) * | 1998-12-30 | 2000-07-18 | Yoshio:Kk | 発煙機能付き防犯報知器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2483783Y (zh) * | 2001-06-25 | 2002-03-27 | 陈小淡 | 一种消防烟雾指示装置 |
-
2003
- 2003-05-01 CN CNB038263998A patent/CN100463005C/zh not_active Expired - Fee Related
- 2003-05-01 WO PCT/JP2003/005585 patent/WO2004097760A1/ja active Application Filing
- 2003-05-01 KR KR1020057020701A patent/KR100969238B1/ko active IP Right Grant
- 2003-05-01 AU AU2003235835A patent/AU2003235835A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58122186U (ja) * | 1982-02-13 | 1983-08-19 | 春田 健一 | 札束型防犯用発煙装置 |
JPH0625987U (ja) * | 1992-08-28 | 1994-04-08 | 徹 乾 | 防犯用煙幕装置 |
JP2000080860A (ja) * | 1998-09-03 | 2000-03-21 | Kongo Co Ltd | 収納庫の防御システム |
JP2000200394A (ja) * | 1998-12-30 | 2000-07-18 | Yoshio:Kk | 発煙機能付き防犯報知器 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015232864A (ja) * | 2014-06-11 | 2015-12-24 | 株式会社ダイセル | 煙幕発生器およびその使用方法 |
WO2017068956A1 (ja) * | 2015-10-20 | 2017-04-27 | 株式会社ダイセル | 煙幕発生器 |
US10443986B2 (en) | 2015-10-20 | 2019-10-15 | Daicel Corporation | Smoke screen generator |
WO2018109657A1 (en) * | 2016-12-12 | 2018-06-21 | Essence Security International (E.S.I.) Ltd. | Alarm system with smoke generation |
Also Published As
Publication number | Publication date |
---|---|
KR20060004972A (ko) | 2006-01-16 |
CN100463005C (zh) | 2009-02-18 |
KR100969238B1 (ko) | 2010-07-09 |
AU2003235835A8 (en) | 2004-11-23 |
AU2003235835A1 (en) | 2004-11-23 |
CN1771522A (zh) | 2006-05-10 |
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