WO2021248760A1 - 一种感温自启动气源装置 - Google Patents

一种感温自启动气源装置 Download PDF

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Publication number
WO2021248760A1
WO2021248760A1 PCT/CN2020/120584 CN2020120584W WO2021248760A1 WO 2021248760 A1 WO2021248760 A1 WO 2021248760A1 CN 2020120584 W CN2020120584 W CN 2020120584W WO 2021248760 A1 WO2021248760 A1 WO 2021248760A1
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Prior art keywords
temperature
fire
glass bulb
vertical rod
spring
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PCT/CN2020/120584
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English (en)
French (fr)
Inventor
鲁锐华
郭春亮
秦沛文
张全学
闫立帆
黄昌龙
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湖北航天化学技术研究所
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Application filed by 湖北航天化学技术研究所 filed Critical 湖北航天化学技术研究所
Priority to DE112020007311.4T priority Critical patent/DE112020007311T5/de
Priority to AU2020452200A priority patent/AU2020452200A1/en
Publication of WO2021248760A1 publication Critical patent/WO2021248760A1/zh

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive
    • A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A62C5/006—Extinguishants produced by combustion

Definitions

  • the invention belongs to the technical field of fire protection, and specifically relates to a temperature-sensing self-starting air source device.
  • the purpose of the present invention is to provide a temperature-sensing self-starting gas source device in view of the technical defects in the prior art, which uses composite solid propellant as a reserve gas source, and uses fire-fighting temperature-sensitive glass bulbs as environmental temperature measurement elements.
  • the trigger ignition device of the two drives the trigger ignition device to act when the fire-fighting temperature-sensitive glass bubble starts to burst to ignite the composite solid propellant, generate gas, and form a gas source for driving the fire extinguishing medium.
  • the technical solution of the present invention is a temperature-sensitive self-starting air source device, which includes a composite solid propellant, a trigger ignition device and a fire-fighting temperature-sensitive glass bubble; the composite solid propellant is encapsulated in a first shell, and the first The composite solid propellant at the bottom of the casing is connected to the trigger ignition device to be triggered and ignited by the trigger ignition device, and the top of the first casing is provided with an opening for gas to escape when the composite solid propellant is ignited; The warm glass bubble is connected, and the composite solid propellant is triggered to ignite when the fire-fighting temperature-sensitive glass bubble breaks.
  • the composite solid propellant is loaded in the first shell and is connected to the trigger ignition device at the bottom of the first shell to be ignited by the start ignition device.
  • the trigger ignition device is connected to the fire-fighting temperature-sensitive glass bulb.
  • the starting temperature is rupture, forming the driving force that triggers the ignition device to ignite the composite solid propellant in the first shell.
  • the aforementioned trigger ignition device includes a needle-punched flash hider, a firing pin, a spring, and a linkage mechanism;
  • the needle-punched flash hider is arranged at the bottom of the first shell to ignite the composite solid propellant in the first shell when the firing pin collides.
  • the firing pin is arranged at the bottom end of the acupuncture flash hider and a predetermined distance away from the bottom end of the acupuncture flash hider, the firing pin hits the acupuncture flash hider through stroke motion to cause the acupuncture flash hider to produce flames;
  • the linkage mechanism connects the firing pin and the fire protection sense Warm glass bulb and spring, the linkage mechanism makes the spring form a compressive force in the connection direction with the fire-fighting temperature-sensitive glass bulb. When the fire-fighting temperature-sensitive glass bulb ruptures, the spring pressure is released, driving the linkage mechanism to move, so that the linkage mechanism drives it. The movement of the connected firing pin forms an impact force on the needle punch.
  • the acupuncture flash hider is activated under the impact of a certain kinetic energy to produce flames that can ignite the composite solid propellant. Therefore, the acupuncture flash hider connected to the composite solid propellant is set at the bottom of the first shell, and then a certain distance from the acupuncture flash hider
  • the firing pin is set in the distance to make the firing pin move and hit the needle flash hider when it needs to be started, and the linkage structure connects the firing pin, the spring and the fire temperature-sensitive glass bulb at the same time to form a linkage trigger mechanism, and the linkage structure connects the spring and the fire protection in the same direction
  • the temperature-sensitive glass bulb makes the spring in a compressed state.
  • the device of the present invention also includes a second housing and an end cap;
  • the linkage mechanism is a cross-shaped connection structure formed by a cross bar and a vertical bar;
  • the striker includes a top end and a connection base, and the top end is close to the acupuncture flash cap
  • One end of the cross bar perpendicularly passes through the connecting base of the striker and is fixed, and the other end perpendicularly passes through the center of the vertical bar and is fixedly connected to the vertical bar to form a connecting portion;
  • the second shell is used in the same direction as the striker in parallel Connect the vertical rod and spring of the linkage mechanism to the fire-fighting temperature-sensitive glass bulb: one end of the vertical rod and the striker in the same direction is connected to the fire-fighting temperature-sensitive glass bulb, and the other end of the fire-fighting temperature-sensitive glass bulb is fixed on the second housing;
  • the spring is sleeved on the other end of the vertical rod, the other end of the second housing has a through hole,
  • the spring and the fire-fighting temperature-sensitive glass bulb are installed in the second housing, the two ends of the second shell are respectively connected with the fire-fighting temperature-sensitive glass bulb and the end cap, and the The spring is in a compressed state; the compressed height of the spring is greater than a predetermined distance between the striker and the bottom end of the needle punch.
  • this scheme has further optimized the linkage mechanism, and designed a cross-connected linkage mechanism.
  • the vertical rod is to realize the above-mentioned sleeve spring and connection of the fire temperature-sensitive glass bulb in the same direction, and the horizontal rod is to connect the firing pin. , And make the striker move synchronously with the vertical rod.
  • the core of the design of the present invention is that the end of the vertical rod sleeved with the spring is not fixedly connected and can move relative to the spring.
  • the spring When the fire-fighting temperature-sensitive glass bulb is installed in place, the spring is arranged in a compressed state on the cross part of the linkage mechanism and Between the end caps, when the fire-fighting temperature-sensitive glass bulb ruptures, the spring at one end of the end cap cannot release the compressive force because the end cap is fixed relative to the second housing. It can only be released by moving to the end of the cross connecting part, which is compression.
  • the force that is, the spring forms a thrust on the cross joint of the cross bar and the vertical bar, pushing the linkage mechanism of the cross structure to move to the position of the fire glass bulb, because the movement distance and accuracy coefficient of the spring are sufficient to synchronize the movement with the linkage mechanism
  • the firing pin hit the pin-pierced flash hider and was ignited.
  • the stiffness coefficient of the spring is 2-15N/mm, and the compressed height is 5-20mm.
  • the height of the compression and the precision coefficient of the spring are sufficient to form an impact force that ignites the needle puncture cap.
  • the nominal starting temperature of the above-mentioned fire-fighting temperature-sensitive glass bulb is any one of 93°C, 141°C, or 182°C.
  • the above-mentioned composite solid propellant includes a binder, a curing agent, an oxidizing agent, and a cooling agent;
  • the binder includes hydroxy-terminated polybutadiene and/or carboxy-terminated polybutadiene, and the content is 10% by mass. %-40%;
  • the curing agent is toluene diisocyanate and/or isophorone diisocyanate, and the content is 0.5% to 5% by mass percentage;
  • the oxidant is ammonium perchlorate and/or ammonium nitrate, The content is 20%-60% by mass percentage;
  • the cooling agent is azodicarbonamide, and the content is 20%-60% by mass percentage.
  • the bottom of the casing for encapsulating the composite solid propellant is provided with a hole corresponding to the position of the needle-pierced flash cap, so that the flame generated when the needle-pierced flash cap is impacted directly contacts and ignites the composite solid propellant.
  • the above-mentioned end cap is a hollow tube with threads provided on the outside, the inner diameter of the hollow tube is greater than or equal to the outer diameter of the vertical rod, and the threads on the outside cooperate with the inner wall of the through hole of the second housing for mutual fixing. The movement of the vertical rod causes the spring to be compressed or released.
  • the length of the vertical rod in the spring is long enough, and it can even extend out of the second shell through the hollow tube in the middle of the end cap. This way, it can ensure that the center of the vertical rod is supported when the spring is compressed or released, so that the spring is always the shaft of the vertical rod.
  • the center moves in a straight line with the center as the center, so as to prevent the compression force from deviating, resulting in deviation of the movement of the linkage mechanism and the movement direction of the striker driven by it, which cannot effectively ignite the acupuncture flash hider;
  • it can be set at the end of the vertical rod as required
  • the through hole of the bolt pin is used to fix the end of the vertical rod outside the end cap by penetrating the pin during transportation and installation, so as to avoid the impact of the firing pin caused by the movement of the linkage mechanism due to the accidental breaking of the fire temperature-sensitive glass bulb.
  • connection mode of the horizontal rod and the vertical rod includes one of threaded connection, welding or bonding.
  • connection mode is the connection mode of the prior art.
  • the device of the present invention further includes a pin.
  • the end of the vertical rod of the linkage mechanism is provided with a through hole perpendicular to the axial direction of the vertical rod, so that the pin and the through hole cooperate to form a fixation of the vertical rod relative to the end cap. connect.
  • the present invention has the following beneficial effects:
  • the device of the present invention is based on a simple principle, that is, the temperature change at the fire site is sensed by the temperature-sensitive glass bulb, and when the starting temperature is reached, the solid composite propellant is triggered to generate gas, so as to realize fire detection and drive the fire extinguishing medium;
  • the device of the present invention has a compact structure and senses the ambient temperature through the fire-fighting temperature-sensitive glass bubble. When the temperature reaches its threshold, the fire-fighting temperature-sensitive glass bubble starts to rupture and rupture occurs.
  • the trigger ignition device connected to it is linked to trigger the ignition of the solid composite propulsion Agent
  • the device of the present invention has the characteristics of adapting to a wide range of ambient temperature, that is, the fire-fighting temperature-sensitive glass bulb can realize a wide storage temperature in an environment where no fire occurs, that is, the ambient temperature can be from -60°C to a threshold temperature, and it can be used in the current environment. In some temperature sensing devices, most of them fail at a low temperature of -30°C.
  • the device of the present invention has the characteristics of sensitive and fast response, that is, the linkage mechanism is activated when the glass bubble is heated and broken, ignites the needle flash cap, ignites the solid propellant, and generates high-pressure gas, because the components are mechanically connected and linked ,
  • the linkage mechanism is activated when the glass bubble is heated and broken, ignites the needle flash cap, ignites the solid propellant, and generates high-pressure gas, because the components are mechanically connected and linked .
  • the device of the present invention has the feature of high reliability, that is, only when the fire-fighting temperature-sensitive glass bubble reaches its starting temperature will it break, trigger the action of other related devices, and ignite the solid composite propellant.
  • the device of the invention has the characteristics of simple principle, compact structure, wide adaptability to environmental temperature, sensitive response and high reliability, and can be widely used in fire detection and driving fire extinguishing media of fire extinguishing systems in the field of fire fighting technology.
  • the device of the present invention uses fire-fighting temperature-sensitive glass bulbs for fire temperature detection, and provides a composite solid propellant as a gas power source for atmospheric storage.
  • a composite solid propellant as a gas power source for atmospheric storage.
  • the ambient temperature of the fire-fighting temperature-sensitive glass bulb reaches the threshold temperature, the glass bulb ruptures through linkage
  • the mechanism activates the acupuncture flash hider, and the acupuncture flash hider ignites the composite solid propellant to generate high-pressure gas as the driving force of the gas source.
  • the device of the invention has high stability and wide application range, and is suitable for fire detection and driving fire extinguishing medium of fire extinguishing systems in the field of fire fighting technology.
  • Figure 1 is a schematic diagram of the structural composition of a temperature-sensing self-starting air source device in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the overall shape formed after packaging the components of the temperature-sensing self-starting air source device in the embodiment of the present invention
  • Fig. 3 is a working flow chart of the temperature-sensing self-starting air source device in the embodiment of the present invention.
  • a temperature-sensing self-starting air source device whose structure is shown in Figure 1. It includes a composite solid propellant 11, a needle flash cap 12, a striker 13, a spring 14, a linkage mechanism 15 and a fire-fighting temperature-sensitive glass bubble 16;
  • the solid propellant 11 is encapsulated in the first shell, the composite solid propellant 11 is arranged at the bottom of the first shell, and the top of the first shell is provided with an opening for the gas to escape when the composite solid propellant 11 is ignited; needle fire
  • the cap 12 is arranged at the bottom of the first shell and is in contact with the composite solid propellant 11.
  • the acupuncture flash cap 12 is The flame generated during the impact is directly contacted and ignited by the composite solid propellant 11, so as to ignite the composite solid propellant 11 in the first shell when the striker 13 collides;
  • the striker 13 strikes the acupuncture flasher 12 through the stroke movement to make the acupuncture flasher 12 produce flames;
  • the linkage mechanism 15 connects the striker 13, the fire-fighting temperature-sensitive glass bulb 16 and the spring 14, and the linkage mechanism 15 is in contact with
  • the connection direction of the fire-fighting temperature-sensitive glass bulb 16 causes the spring 14 to form a compressive force.
  • the fire-fighting temperature-sensitive glass bulb 16 breaks, the pressure of the spring 14 is released and the linkage mechanism 15 is driven to move, so that the linkage mechanism 15 drives its connected striker 13 The movement forms an impact force on the needle punch 12.
  • the linkage mechanism 15 and other settings and components of the present invention are preferably designed and arranged as follows: the device in this embodiment also includes a second housing and an end cap 17; the linkage mechanism 15 is a cross bar 151 and the vertical rod 152 form a cross-shaped connection structure; the striker 13 includes a top end and a connecting base, the top end is close to the needle flash hider 12; It passes through the center of the vertical rod and is fixedly connected to the vertical rod 152 to form a connecting portion 153;
  • the warm glass bulb 16 is connected: the end of the vertical rod 152 and the striker 13 in the same direction is connected to the fire temperature sensitive glass bulb 16, the other end of the fire temperature sensitive glass bulb 16 is fixed on the second shell; the spring 14 is sleeved on the vertical rod 152 On the other end, the other end of the second housing has a through hole, and the end cap 17 is connected and fixed with the through hole from the outside of the second housing to set the spring 14 on the vertical rod between the second housing and
  • the stiffness coefficient of the spring 14 is preferably 2-15N/mm, and its compressed height is 5-20mm; similarly, in order to reduce the environmental temperature interference and increase the Reliability, the nominal starting temperature of the fire temperature sensitive glass bulb 16 can be selected from any of 93°C, 141°C or 182°C.
  • the composite solid propellant 11 loaded in the first shell includes a binder, a curing agent, an oxidizing agent and a cooling agent:
  • the binder includes hydroxyl-terminated polybutadiene and/or carboxyl-terminated polybutadiene, and the content is by mass percentage 10% to 40%;
  • curing agent is toluene diisocyanate and/or isophorone diisocyanate, the content is 0.5% to 5% by mass percentage;
  • the oxidant is ammonium perchlorate and/or ammonium nitrate, the content is 20% to 60% by mass percentage;
  • the cooling agent is azodicarbonamide, and the content is 20% to 60% by mass percentage.
  • the end cap 17 is connected to a hollow tube at one end of the vertical rod 152, and the outer side is provided with a thread.
  • the inner diameter of the hollow tube is greater than or equal to the outer diameter of the vertical rod to fix the vertical rod 152.
  • the inner threaded fit presses the spring 14 into the housing.
  • connection mode of the cross bar 151 and the vertical bar 152 includes one of screw connection, welding or bonding.
  • the device of this embodiment adopts the national standard temperature-sensitive glass bulb with a nominal starting temperature of 141°C, it starts when the temperature-sensitive glass bulb reaches 141°C after being fired.
  • the free stroke of the striker 13 of the device is 9mm, and the stiffness coefficient of the spring is 4.9N/mm.
  • the device uses 4g of 500L/kg composite solid propellant at room temperature 20°C excluding water vapor.
  • the generated gas is transmitted to a piston with a diameter of 25mm through a stainless steel pipeline with a length of 10m and an inner diameter of 4mm. 90N thrust.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Thermally Actuated Switches (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

一种感温自启动气源装置，它包括复合固体推进剂（11）、针刺火帽（12）、撞针（13）、弹簧（14）、联动机构（15）和消防感温玻璃泡（16）；复合固体推进剂封装于壳体中，壳体底部的复合固体推进剂与针刺火帽连接，壳体顶部设置有开口以供复合固体推进剂分解时产生气体逸出；撞针设置在针刺火帽的底端并距离针刺火帽底端预定间距，撞针通过行程运动撞击针刺火帽使针刺火帽点燃复合固体推进剂；联动机构连接撞针、消防感温玻璃泡和弹簧，联动机构在与消防感温玻璃泡连接方向上使弹簧形成压缩力，当消防感温玻璃泡感温破裂时，弹簧压力释放，驱动联动机构运动同时带动撞针运动形成对针刺火帽的撞击力。

Description

一种感温自启动气源装置 技术领域
本发明属于消防技术领域，具体地涉及一种感温自启动气源装置。
背景技术
目前，市场上的自动消防装置均使用感温自启动气源装置作为动力源，主要依靠电子元件感应探测、储压式气源提供动力。此类感温自启动气源装置在消防领域的运用已经比较成熟，简单实用，市场占有率较大。但存在几个较为明显的短板，一是感温元件和感烟元件均属电子元件，探测敏感度存在较大不稳定性，易出现误报和失效的情况；二是需要带电环境传导电信号，在环境较复杂的场合可靠性很差，起不到探测预警的作用；三是储压式气源在待机状态一直处于压力状态，存在一定安全隐患。
发明内容
本发明的目的是针对现有技术中的技术缺陷，提供一种感温自启动气源装置，它以复合固体推进剂作为储备气源，以消防感温玻璃泡作为环境测温元件，通过连接两者的触发点燃装置，使消防感温玻璃泡启温破裂时驱动触发点燃装置动作，以点燃复合固体推进剂，产生气体，形成驱动灭火介质的气源。
本发明的技术方案是，一种感温自启动气源装置，它包括复合固体推进剂、触发点燃装置和消防感温玻璃泡；所述复合固体推进剂封装于第一壳体中，第一壳体底部的复合固体推进剂与触发点燃装置连接以被触发点燃装置触发点燃，第一壳体顶部设置有开口以供复合固体推进剂点燃时产生气体逸出；所述触发点燃装置与消防感温玻璃泡连接，在消防感温玻璃泡感温破裂时触发点燃所述复合固体推进剂。
复合固体推进剂装载于第一壳体中，并在第一壳体底部与触发点燃装置连接以被出发点燃装置点燃，同时触发点燃装置与消防感温玻璃泡连接，消防感温玻璃泡在达到启动温度是破裂，形成触发点燃装置点燃第一壳体中的复合固体推进剂的驱动力。可以看出，本发明原理和结构简单，没有额外的供电装置 及电子线路连接，以消防感温玻璃泡作为测温器和驱动器，驱动触发点燃装置去点燃复合固体推进剂，形成气源动力，可用于消防领域中的火灾探测、驱动储存的灭火介质、驱动气动触发的灭火装置介质。
进一步的，上述触发点燃装置包括针刺火帽、撞针、弹簧和联动机构；所述针刺火帽设置在第一壳体底部，以在撞针碰撞时点燃第一壳体中的复合固体推进剂；所述撞针设置在针刺火帽的底端并距离针刺火帽底端预定间距，撞针通过行程运动撞击针刺火帽使针刺火帽产生火焰；所述联动机构连接撞针、消防感温玻璃泡和弹簧，联动机构在与消防感温玻璃泡连接方向上使弹簧形成压缩力，当消防感温玻璃泡感温破裂时，弹簧压力释放，驱动联动机构运动，从而使联动机构带动其连接的撞针运动形成对针刺火帽的撞击力。
针刺火帽在一定的动能冲击下被启动产生火焰可以点燃复合固体推进剂，因此，在第一壳体底部设置与复合固体推进剂连接的针刺火帽，然后在距离针刺火帽一定距离上设置撞针，以在需要启动时使撞针运动撞击针刺火帽，而联动结构同时连接撞针、弹簧和消防感温玻璃泡形成了一个联动触发机构，联动结构在同一方向上连接弹簧和消防感温玻璃泡并使弹簧处于压缩状态，当消防感温玻璃泡破裂时，弹簧的压力被释放，形成了联动机构的运动驱动力，同时联动结构与撞针连接，其运动同步带动撞针运动形成对针刺火帽的撞击力，该设计是上述触发点燃装置结构的机械原理和初步实现。
更进一步的，本发明装置还包括第二壳体和和端帽；所述联动机构为横杆和竖杆形成的十字形连接结构；所述撞针包括顶端和连接底座，顶端靠近针刺火帽；所述横杆的一端垂直穿过撞针的连接底座并固定，另一端垂直穿过竖杆中心与竖杆固定连接，形成连接部；第二壳体用于在与撞针同向平行的方向上使所述联动机构的竖杆、弹簧和消防感温玻璃泡连接：所述竖杆与撞针同向的一端连接消防感温玻璃泡，消防感温玻璃泡另一端固定在第二壳体上；弹簧套接在竖杆另一端上，第二壳体的另一端有通孔，端帽从第二壳体外侧与通孔连接固定以将弹簧设置在第二壳体和连接部之间的竖杆上；当所述联动机构的竖杆、弹簧和消防感温玻璃泡安装于所述第二壳体中时，第二壳体的两端分别与消防感温玻璃泡和端帽连接且所述弹簧处于被压缩状态；所述弹簧被压缩的高度大于撞针与针刺火帽底端之间预定间距。
可以看出，本方案对联动机构进行了进一步优化，设计了一个十字连接的联动机构，竖杆是为了实现上述在同一方向上套接弹簧和连接消防感温玻璃泡， 横杆是为了连接撞针，并使撞针与竖杆同步动作。本发明设计的核心是竖杆上套接弹簧的那一端没有被固定连接，可以相对于弹簧运动，当消防感温玻璃泡安装到位时，弹簧是以被压缩状态设置在联动机构的十字部与端帽之间，当消防感温玻璃泡破裂时，弹簧在端帽的一端因为端帽相对于第二壳体被固定无法释放压缩力，只能通过向十字连接部的那一端运动释放是压缩力，即弹簧形成对横杆与竖杆的十字连接处的推力，推动所述十字结构的联动机构向消防玻璃泡所在位置运动，因为弹簧的运动距离和精度系数，足以使与联动机构同步运动的撞针撞击针刺火帽被点燃。
更进一步的，上述弹簧的劲度系数为2～15N/mm，其被压缩的高度为5～20mm。
该压缩的高度配合弹簧的精度系数足以形成使针刺火帽点火的撞击力。
进一步的，上述消防感温玻璃泡的公称启动温度为93℃、141℃或182℃中的任意一种。
进一步的，上述复合固体推进剂包括粘合剂、固化剂、氧化剂和降温剂；所述粘合剂包括端羟基聚丁二烯和/或端羧基聚丁二烯，含量为按质量百分比计10％～40％；所述固化剂为甲苯二异氰酸酯和/或异佛尔酮二异氰酸酯中，含量为按质量百分比计0.5％～5％；所述氧化剂为高氯酸铵和/或硝酸铵，含量为按质量百分比计20％～60％；所述降温剂为偶氮二甲酰胺，含量为按质量百分比计20％～60％。
更进一步的，上述封装复合固体推进剂的壳体底部有与针刺火帽位置对应的孔，以使针刺火帽被撞击时产生的火焰与复合固体推进剂直接接触点燃。
还进一步的，上述端帽为中空管状，外侧设置有螺纹，中空管的内径≥竖杆的外径，外侧的螺纹与第二壳体的通孔内壁配合用于相互固定，中空管便于竖杆其中运动，使弹簧被压缩或释放。
竖杆在弹簧内的长度足够长，甚至可以经端帽中间的中空管伸出第二壳体外，这样一是可以保证弹簧压缩或释放压力时中心有竖杆支撑，这样弹簧一直竖杆轴心为中心作直线运动，以免压缩力发生偏移，导致联动机构运动及其带动的撞针运动方向发生偏差，无法有效使针刺火帽被点燃；二是可以根据需要在竖杆的端部设置插钉销的通孔，以在运输、安装等过程中，通过穿入销钉使竖杆端部固定在端帽外，避免因消防感温玻璃泡误破碎发生联动机构运动使撞针产生撞击。
还进一步的，上述横杆和竖杆的连接方式包括螺纹连接、焊接或粘接中的一种。
横杆和竖杆固定连接同步运动是保证撞针与联动机构同步运动的关键，其连接方式为现有技术连接方式。
还进一步的，本发明装置还包括销钉，所述联动机构的竖杆端部设置有垂直于竖杆轴向的通孔，以使所述销钉与通孔配合形成竖杆相对于端帽的固定连接。
该设置即为实现上述目的：在运输、安装等过程中，通过穿入销钉使竖杆端部固定在端帽外，避免因消防感温玻璃泡误破碎发生联动机构运动使撞针产生撞击。
本发明相比于现有技术的有益效果是：
(1)本发明装置基于的原理简单，即通过感温玻璃泡感测火灾现场的温度变化，在达到其启动温度时触发点燃固体复合推进剂产生气体，以实现火灾探测和驱动灭火介质；
(2)本发明装置结构紧凑，通过消防感温玻璃泡感知环境温度，当温度达到其阈值时，消防感温玻璃泡破裂启动，发生破裂，联动与其连接的触发点燃装置去触发点燃固体复合推进剂；
(3)本发明装置具有适应环境温度宽泛的特点，即消防感温玻璃泡在未发生火灾的环境中，可以实现储备温度宽泛的特点，即环境温度可以从-60℃到阈值温度，在现有的感温器件中，绝大多数在低温-30℃就失效。
(4)本发明装置具有反应灵敏、快速的特点，即在玻璃泡受热破裂的同时联动机构启动，点燃针刺火帽，引燃固体推进剂，产生高压气体，因为各部件是机械连接和联动，玻璃泡受热破裂的同时整个装置各部件同步联动，不依赖电源进行探测，并能输出气源驱动力，因此不存在现有技术中采用电子感应或驱动可能产生的误差或失灵问题和危险。
(5)本发明装置具有可靠性高的特点，即只有在消防感温玻璃泡达到其启动温度的情况下才会破裂，触发其他关联装置动作，引燃固体复合推进剂。
本发明装置具有原理简单、结构紧凑、适应环境温度宽泛、反应灵敏、可靠性高的特点，可广泛适用于消防技术领域中灭火系统的火灾探测及驱动灭火介质。
本发明装置利用消防感温玻璃泡进行火灾温度探测，并且提供复合固体推进剂作为常压储存的气体动力源，当消防感温玻璃泡所处环境温度达到阈值温度时，玻璃泡破裂，通过联动机构启动针刺火帽，针刺火帽引燃复合固体推进剂，产生高压气体，作为气源驱动力。本发明装置稳定性高、适用范围广，适用于消防技术领域中灭火系统的火灾探测及驱动灭火介质。
附图说明
从下面结合附图对本发明实施例的详细描述中，本发明的这些和/或其它方面和优点将变得更加清楚并更容易理解，其中：
图1为本发明实施例中感温自启动气源装置的结构组成示意图；
图2为本发明实施例中感温自启动气源装置的各部件封装后形成的整体外形示意图；
图3为本发明实施例中感温自启动气源装置的工作流程图。
具体实施方式
为了使本领域技术人员更好地理解本发明，下面结合附图和具体实施方式对本发明作进一步详细说明。
实施例1
一种感温自启动气源装置，其结构如图1所示，它包括复合固体推进剂11、针刺火帽12、撞针13、弹簧14、联动机构15和消防感温玻璃泡16；复合固体推进剂11封装于第一壳体中，复合固体推进剂11设置在第一壳体底部，第一壳体顶部设置有开口以供复合固体推进剂11点燃时产生气体逸出；针刺火帽12设置在第一壳体底部并与复合固体推进剂11接触，优选在封装复合固体推进剂11的壳体底部有与针刺火帽12位置对应的孔，以使针刺火帽12被撞击时产生的火焰与复合固体推进剂11直接接触点燃，以在撞针13碰撞时点燃第一壳体中的复合固体推进剂11；撞针13设置在针刺火帽12的底端并距离针刺火帽12底端预定间距，撞针13通过行程运动撞击针刺火帽12使针刺火帽12产生火焰；联动机构15连接撞针13、消防感温玻璃泡16和弹簧14，联动机构15在与消防感温玻璃泡16连接方向上使弹簧14形成压缩力，当消防感温玻璃泡16感温破裂时，弹簧14压力释放，驱动联动机构15运动，从而使联动机构15带动其连接的撞针13运动形成对针刺火帽12的撞击力。
为了使装置更好工作，联动机构15及本发明其他设置、部件见连接关系优选设计和布置如下：本实施例装置还包括第二壳体和和端帽17；所述联动机构15为横杆151和竖杆152形成的十字形连接结构；所述撞针13包括顶端和连接底座，顶端靠近针刺火帽12；所述横杆151的一端垂直穿过撞针13的连接底座并固定，另一端垂直穿过竖杆中心与竖杆152固定连接，形成连接部153；第二壳体用于在与撞针13同向平行的方向上使所述联动机构15的竖杆152、弹簧14和消防感温玻璃泡16连接：所述竖杆152与撞针13同向的一端连接消防感温玻璃泡16，消防感温玻璃泡16另一端固定在第二壳体上；弹簧14套接在竖杆152另一端上，第二壳体的另一端有通孔，端帽17从第二壳体外侧与通孔连接固定以将弹簧14设置在第二壳体和连接部153之间的竖杆上；当所述联动机构15的竖杆152、弹簧14和消防感温玻璃泡16安装于所述第二壳体中时，第二壳体的两端分别与消防感温玻璃泡16和端帽17连接且所述弹簧14处于被压缩状态；所述弹簧14被压缩的高度大于撞针13与针刺火帽12底端之间预定间距。
为了形成适度压缩力和对针刺火帽的冲力，弹簧14的劲度系数优选为2～15N/mm，其被压缩的高度为5～20mm；同样，为了在减少环境感温干扰的同时提高可靠性，消防感温玻璃泡16的公称启动温度选择93℃、141℃或182℃中的任意一种。
第一壳体中装载的复合固体推进剂11包括粘合剂、固化剂、氧化剂和降温剂：粘合剂包括端羟基聚丁二烯和/或端羧基聚丁二烯，含量为按质量百分比计10％～40％；固化剂为甲苯二异氰酸酯和/或异佛尔酮二异氰酸酯中，含量为按质量百分比计0.5％～5％；氧化剂为高氯酸铵和/或硝酸铵，含量为按质量百分比计20％～60％；降温剂为偶氮二甲酰胺，含量为按质量百分比计20％～60％。
优选地，端帽17连接竖杆152的一端中空管，外侧设置有螺纹，中空管的内径≥竖杆的外径，以固定竖杆152，外侧的螺纹结构用于与第二壳体内侧的螺纹配合将弹簧14压紧壳体内。
优选地，横杆151和竖杆152的连接方式包括螺纹连接、焊接或粘接中的一种。
当本实施例装置采用公称启动温度为141℃的国标感温玻璃泡时，当感温玻璃泡受火烤达到141℃后启动。该装置撞针13的自由行程为9mm，弹簧的劲度 系数为4.9N/mm。该装置采用发气量以常温20℃不包括水蒸气计为500L/kg复合固体推进剂4g，产生的气体经过长度为10m、内径为4mm的不锈钢管路传输至直径为25mm的活塞，可产生约90N的推力。
上述的实施例仅作为本发明实施方案示例而非作为限制，可以采取其它的形式。以上已经描述了本发明的各实施例，上述说明是示例性的，并非穷尽性的，并且也不限于所披露的各实施例。在不偏离所说明的各实施例的范围和精神的情况下，对于本技术领域的普通技术人员来说许多修改和变更都是显而易见的。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (10)

  1. 一种感温自启动气源装置，其特征在于：它包括复合固体推进剂(11)、触发点燃装置和消防感温玻璃泡(16)；
    所述复合固体推进剂(11)封装于第一壳体中，第一壳体底部的复合固体推进剂(11)与触发点燃装置连接以被触发点燃装置触发点燃，第一壳体顶部设置有开口以供复合固体推进剂(11)点燃时产生气体逸出；
    所述触发点燃装置与消防感温玻璃泡(16)连接，在消防感温玻璃泡(16)感温破裂时触发点燃所述复合固体推进剂(11)。
  2. 如权利要求1所述的感温自启动气源装置，其特征在于：所述触发点燃装置包括针刺火帽(12)、撞针(13)、弹簧(14)和联动机构(15)；
    所述针刺火帽(12)设置在第一壳体底部，以在撞针(13)碰撞时点燃第一壳体中的复合固体推进剂(11)；
    所述撞针(13)设置在针刺火帽(12)的底端并距离针刺火帽(12)底端预定间距，撞针(13)通过行程运动撞击针刺火帽(12)使针刺火帽(12)产生火焰；
    所述联动机构(15)连接撞针(13)、消防感温玻璃泡(16)和弹簧(14)，联动机构(15)在与消防感温玻璃泡(16)连接方向上使弹簧(14)形成压缩力，当消防感温玻璃泡(16)感温破裂时，弹簧(14)压力释放，驱动联动机构(15)运动，从而使联动机构(15)带动其连接的撞针(13)运动形成对针刺火帽(12)的撞击力。
  3. 如权利要求2所述的感温自启动气源装置，其特征在于：
    还包括第二壳体和和端帽(17)；
    所述联动机构(15)为横杆(151)和竖杆(152)形成的十字形连接结构；
    所述撞针(13)包括顶端和连接底座，顶端靠近针刺火帽(12)；
    所述横杆(151)的一端垂直穿过撞针(13)的连接底座，另一端垂直穿过竖杆中心与竖杆(152)固定连接，形成连接部(153)；
    第二壳体用于在与撞针(13)平行的方向上使所述联动机构(15)的竖杆(152)、弹簧(14)和消防感温玻璃泡(16)连接：所述竖杆(152)与撞针(13)同向的一端连接消防感温玻璃泡(16)，消防感温玻璃泡(16)另一端固定在第 二壳体上；弹簧(14)套接在竖杆(152)另一端上，第二壳体的另一端有通孔，端帽(17)从第二壳体外侧与通孔连接固定以将弹簧(14)设置在第二壳体和连接部(153)之间的竖杆上；
    当所述联动机构(15)的竖杆(152)、弹簧(14)和消防感温玻璃泡(16)安装于所述第二壳体中时，第二壳体的两端分别与消防感温玻璃泡(16)和端帽(17)连接且所述弹簧(14)处于被压缩状态；所述弹簧(14)被压缩的高度大于撞针(13)撞击端与针刺火帽(12)撞击端之间预定间距。
  4. 如权利要求2所述的感温自启动气源装置，其特征在于：所述弹簧(14)的劲度系数为2～15N/mm，其被压缩的高度为5～20mm。
  5. 如权利要求1所述的感温自启动气源装置，其特征在于：所述消防感温玻璃泡(16)的公称启动温度为93℃、141℃或182℃中的任意一种。
  6. 如权利要求1所述的感温自启动气源装置，其特征在于：所述复合固体推进剂(11)包括粘合剂、固化剂、氧化剂和降温剂；
    所述粘合剂包括端羟基聚丁二烯和/或端羧基聚丁二烯，含量为按质量百分比计10％～40％；
    所述固化剂为甲苯二异氰酸酯和/或异佛尔酮二异氰酸酯，含量为按质量百分比计0.5％～5％；
    所述氧化剂为高氯酸铵和/或硝酸铵，含量为按质量百分比计20％～60％；
    所述降温剂为偶氮二甲酰胺，含量为按质量百分比计20％～60％。
  7. 如权利要求1所述的感温自启动气源装置，其特征在于：所述封装复合固体推进剂(11)的壳体底部有与针刺火帽(12)位置对应的孔，以使针刺火帽(12)被撞击时产生的火焰与复合固体推进剂(11)直接接触点燃。
  8. 如权利要求3所述的感温自启动气源装置，其特征在于：所述端帽(17)为中空管，外侧设置有螺纹，中空管的内径≥联动机构(15)的竖杆(152)的外径，其外侧的螺纹与第二壳体的通孔内壁配合用于相互固定，中空管便于竖杆(152)在其中运动，使弹簧(14)被压缩或释放。
  9. 如权利要求3所述的感温自启动气源装置，其特征在于：所述横杆(151)和竖杆(152)的连接方式包括螺纹连接、焊接或粘接中的一种。
  10. 如权利要求3所述的感温自启动气源装置，其特征在于：还包括销钉，所述联动机构(15)的竖杆(152)端部设置有垂直于竖杆轴向的通孔，以使所 述销钉与通孔配合形成竖杆(152)相对于端帽(17)的固定连接。
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CN111632330B (zh) * 2020-06-10 2022-03-08 湖北航天化学技术研究所 一种感温自启动气源装置
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