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WO2010034173A1 - 一种无药快引电点火头 - Google Patents

一种无药快引电点火头 Download PDF

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Publication number
WO2010034173A1
WO2010034173A1 PCT/CN2009/000070 CN2009000070W WO2010034173A1 WO 2010034173 A1 WO2010034173 A1 WO 2010034173A1 CN 2009000070 W CN2009000070 W CN 2009000070W WO 2010034173 A1 WO2010034173 A1 WO 2010034173A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
wire
mounting clip
fixed
resistance wire
Prior art date
Application number
PCT/CN2009/000070
Other languages
English (en)
French (fr)
Inventor
张帆
Original Assignee
长沙凯维科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 长沙凯维科技有限公司 filed Critical 长沙凯维科技有限公司
Publication of WO2010034173A1 publication Critical patent/WO2010034173A1/zh

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F42B3/124—Bridge initiators characterised by the configuration or material of the bridge
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C5/00—Fuses, e.g. fuse cords
    • C06C5/06—Fuse igniting means; Fuse connectors

Definitions

  • the utility model relates to an electric ignition head, in particular to a fast electric ignition head with high safety factor, stable performance, high use efficiency and no gunpowder.
  • the electric ignition head used for the electric ignition of the fireworks is a structure containing a gunpowder, that is, a small amount of gunpowder is wrapped on the resistance wire short-circuited at one end of the wire, and the gunpowder and the wire are passed through the adhesive and the moisture-proof agent. Fixed as one.
  • the current is directed to a resistance wire that is shorted between the wires.
  • the resistance wire heats up rapidly, which in turn ignites the surrounding gunpowder.
  • the gunpowder burns to produce a flame and high temperature, further igniting the fireworks leads fixed around it.
  • the electricity is occupied, and the fire part of the fire head is in the shape of a match head.
  • the user In order to achieve the guilty contact with the quick lead, the user must cut the kraft paper of the quick lead to cut the electricity/occupation, insert the fire part of the fire head into the kraft paper, and the black lead. Direct contact, then tape the quick lead to the electric ignition head. The process is cumbersome and inefficient
  • the gunpowder used is often a highly sensitive gunpowder, which causes the electric ignition head itself to be sensitive to friction or impact. It may trigger a dangerous number in the preliminary assembly process with the fireworks. Ten serious deaths and injuries caused by false triggering of the electric ignition head
  • the oxidant component in the gunpowder has strong oxidizing power.
  • the electric resistance wire used in the electric ignition head is an inert alloy wire, the electric resistance wire is gradually oxidized as the storage time increases or the storage ring is inferior. The heat generation performance drops sharply, and when the trigger temperature is not reached, it is melted from the oxidation link, and a misfiring phenomenon occurs.
  • the electric ignition head contains gunpowder, which must be treated specially during transportation. Most countries do not allow air transportation of similar items, which greatly increases transportation costs and difficulty.
  • Utility model content The technical problem to be solved by the utility model is to provide a safety factor with the same safety factor, stable performance, high use efficiency and no ignition charge ignition head.
  • the present invention provides a safe and efficient drug-free quick-ignition ignition head, comprising a circuit board, a wire pair, a resistance wire and a mounting clip, the resistance wire and the wire
  • the front end of the mounting clip has a tongue-shaped plug for facilitating insertion into the quick-release, and the front upper block of the mounting clip is provided with a positioning pin corresponding to the inserted quick-input.
  • the circuit board is fixed on the tongue-shaped plug, the resistance wire is upwardly facing and perpendicular to the direction of the fast-injection direction, and the pair of wires are led out along the rear end of the mounting clip and fixed.
  • the front end of the upper and lower blocks of the front end of the mounting clip is provided with a closing card position, and the front end of the mounting clip is closed to each other by an external force and is fixedly connected along the closed card position.
  • the mounting clip is composed of an upper cover and a lower cover, the tongue plug is disposed at the front end of the lower cover, and the tongue plug and the rear end of the lower cover are formed with a bend a notch, the tongue-shaped plug is provided with a circuit board slot, and a circuit board fixed card is disposed on both sides of the circuit board slot, and the circuit board fixing card is aligned and fixed on both sides of the lower cover
  • the position of the position is provided with a latching position under the ignition
  • the rear end of the lower cover is provided with a wire positioning groove
  • the rear end of the lower cover is provided with a wire clamping lower card position
  • the circuit board passes through the
  • the circuit board fixing card is fixed in the circuit board slot, the wire pair is fixed by the wire positioning slot;
  • the rear end of the upper cover is provided with a wire closing upper card position, and the front end is provided with an ignition close
  • the card cover, the upper cover and the lower cover are fixed by the wire to the lower card position and the wire is closed to form
  • the electric resistance wire is electrically coiled, and the electric resistance wire having good conversion capability is wound into a fine spiral shape.
  • the plating layer can be soldered without affecting the heat generation performance.
  • a hole is formed in a region of the circuit board corresponding to the heat generating portion of the electric resistance wire.
  • the most commonly used five-core quick-lead on the market is a lead made of five wool-impregnated cotton threads wrapped in kraft paper.
  • the space occupied by kraft paper is larger than the five equal black leads because of the need to maintain a certain burning space.
  • the fixed simultaneous crimping block presses the parallel black lead on the resistance wire of the circuit board. After the zero wire is energized to the resistance wire, the resistance wire heats up and directly ignites the inner lead wire in contact with it, thereby igniting the fireworks lead.
  • the fire head does not contain gunpowder components, and it will not cause false triggering due to friction and impact, which ensures the safety in the production, storage, transportation and use of the utility model because there is no strong oxidation around the resistance wire.
  • Sexual gunpowder the long-term storage of the utility model does not affect the heating performance of the electric resistance wire, thereby ensuring the ignition performance of the utility model; since the reliable women's clothing of the quick-induction only needs to be inserted and pressed on the mounting clip No additional auxiliary materials are needed to ensure the efficiency of the utility model.
  • the utility model is a fast electric ignition head with a safety factor of ⁇ 3 ⁇ 4, stable performance, simple structure, convenient manufacture, high efficiency and no gunpowder.
  • Figure 1 is a schematic exploded view of a novel embodiment of the present invention
  • Figure 2 is a 1- 3 ⁇ 4 embodiment of the present invention
  • Figure 3 is a front view of the first embodiment of the present invention when inserted
  • FIG. 4 is an illustration of the insertion in use according to an embodiment of the present invention.
  • Figure 5 is an illustration of the embodiment of the present invention after insertion
  • FIG. 6 is a circuit board optimization diagram of an embodiment of the present invention.
  • the mounting clip 1 is composed of an upper cover 2 and a lower cover 3, wherein a front end of the lower cover 3 is provided with a tongue-shaped plug 4, and a tongue-shaped plug 4 has a circuit board slot 5 in the circuit board slot 5
  • circuit board fixing card positions 6 on both sides, and the position of the fixed circuit board fixing card position 6 is arranged on both sides of the lower cover 3 with the ignition-clamping lower card position 7, and the rear end of the lower cover 3 is provided with the wire positioning groove 8, the lower cover 3 is provided on both sides of the rear end with a wire closing lower card position 9, and a shape between the tongue-shaped plug 4 and the rear end of the lower cover 3
  • the electric resistance wire 11 is a fine spiral shape for the electric resistance conversion wire
  • the circuit board 13 is fixed in the circuit board slot 5 of the lower cover 3 through the circuit board fixing slot 6, and the wire pair 12 is fixed by the wire positioning slot 8; the rear end of the upper cover 2 has a wire closed upper card position 14, and the front end has an ignition close A positioning pin 16 is adhered and fixed to the center of the front end of the upper cover 2; the upper cover 2 and the lower cover 3 are fixed by a wire to the lower card position 9 and the upper end of the wire 14 is fixed to form an integral mounting clip 1.
  • the gap between the black lead 18 and the lower kraft paper 19 in the quick lead 17 is calculated, and the tongue plug 4 of the mounting clip 1 is inserted into the gap, and the circuit board 13 faces the black lead.
  • the black lead 18 is located above the resistance wire 11, and the fast lead 17 and the front end portion of the lower cover 3 are bent upward along the bending notch 10.
  • the quick guiding pin 16 pierces the quick lead.
  • the upper kraft paper 17 of 17 will be positioned with the quick lead 17, and the upper cover 2 presses the black lead 18 against the resistance wire 11.
  • the quick lead 17 is firmly fixed.
  • the black lead 18 is in reliable contact with the resistance wire 11.
  • the wire pair 12 directs the current to the resistance wire 11, and the resistance wire 11 heats up, directly igniting the black lead wire 18 in contact therewith, thereby igniting the quick lead 17 .
  • a hole 20 is made to suspend the heat generating portion of the electric resistance wire 11, thereby preventing the heat absorption of the electric resistance wire 11 of the circuit board 13, thereby improving the ignition efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Catching Or Destruction (AREA)

Description

一种无药† 引电点火头
技术领域
本实用新型涉及一种电点火头， 特指一种安全系数高、 性能稳定、 使用效率高、 不含火药的快引 电点火头。
背景技术
在烟花行业中 ， 多数大型烟花及部分消费类烟花均使用 快引作为点火引线， 即数根黑药引线被平行包裹在牛皮纸中。 该引线被点燃后， 能以数十倍于安全引线的燃烧速度迅速点 燃烟花， 因而安装快引 的烟花多用于电点火燃放。
目前市场上， 用于花炮电点火燃放的 电点火头均为含有 火药的结构， 即在导线对一端短接的 电阻丝上包裹有少量的 火药， 并通过粘接剂和防潮剂将火药与导线固定为一体。 使 用时， 电流被导向短接在导线之间的 电阻丝， 电阻丝迅速发 热， 进而引燃包裹在周围的火药， 火药燃烧产生火焰和高温， 进一步将固定在周 围的烟花引线点燃。
电 占 "、火头的发火部分为火柴头形状， 为实现与快引 的可 罪接触 使用者必须将快引 的牛皮纸剖开 将电 /占 "、火头的发 火部分插入到牛皮纸中 ， 与黑引线直接接触 ， 然后用胶带将 快引与电点火头固定。 使用过程烦琐且效率低
为提高电点火头的点燃率， 其使用 的火药往往为敏感度 极高的火药 从而导致电点火头本身较为敏感 磨擦或冲击 都有可能触发 在与烟花的预备装配过程中较为危险 每年 都有数十起因 电点火头误触发导致的严重的死伤事故
火药中的氧化剂成分具有较强的氧化能力 ， 尽管电点火 头中所用的电阻丝为惰性合金丝， 然而随着储存时间增长或 储存环 的 劣 ， 电阻丝会被逐渐氧化， 此时电阻丝的发热 性能会急剧下降，在未达到触发温度时就会从氧化环节熔断， 从而出现哑火现象。
电点火头中含有火药， 运输时必须进行特殊对待， 多数 国家不允许类似物品空运， 大幅增加了运输成本和难度。
实用新型内容 本实用新型所要解决的技术 问题是提供一种安全系数 同 、 性能稳定、 使用效率高而且无火药快引 电点火头
为 了解决上述技术问题 本实用新型提供的安全 、 高效 的无药快引 电点火头， 包括 电路板、 一根导线对 、 一根电 阻丝和 个安装夹， 所述的 电阻丝与所述的导线对焊接在所 述的电路板上， 所述的安装夹的前端下块为便于插进快引 的 舌形塞子 ， 所述安装夹的前 上块设有一与插进的快引对应 的定位针 ， 所述的 电路板固定在所述的舌形塞子上 ， 所述的 电阻丝朝上且与插进的快引方向垂直对应 所述的导线对沿 所述安装夹后端引 出并固定 所述的安装夹前端上下块的两 侧设有合拢卡位 ， 所述的安装夹前端在外力作用下相互合拢 并沿所述合拢卡位卡接固定。
所述的安装夹由上盖和下盖组成， 所述的舌形塞子设在 所述的下盖的前端， 所述的舌形塞子与所述的下盖的后端之 间形成有弯折缺口 ， 所述的舌形塞子上设有电路板槽， 在所 述的电路板槽的两边设有电路板固定卡位， 在所述的下盖的 两侧对齐固 定所述的 电路板固定卡位的位置设有点火合拢 下卡位， 所述的下盖的后端设有导线定位槽， 所述的下盖的 后端两侧设有导线合拢下卡位， 所述的 电路板通过所述的电 路板固定卡位固定在所述的电路板槽中 ， 所述的导线对通过 导线定位槽固定； 所述的上盖的后端设有导线合拢上卡位， 前端设有点火合拢上卡位， 所述的上盖与所述的下盖通过所 述的导线合拢下卡位和所述的导线合拢上卡位固 定成为一 个整体安装夹。
所述的电阻丝为 电执、、转换能力 良好的 电阻丝绕制成细密 的螺旋状。 对于锡焊性能不佳的电阻丝 可在不影响发热性 能的限度内 电镀 层助焊 属
在所述电路板上对应于所述电阻丝发热部位的区域设有 一孔位。
市场上最常用的五芯快引是牛皮纸包裹的五根浸有黑火 药的绵线做成的 引线 ， 由于必须保留 定的燃烧空间， 牛 皮纸所包空间 比五根平等的黑引线体积大一些。 使用时， 理 出快引 中平行里 "、、引线与底部牛皮纸之间的间隙， 将安装夹中 固定电路板的舌形塞子插入间隙中 ， 保持电路板焊有电阻丝 的那面朝上 并且将电阻丝部位的 电路板一并插入间隙中 ， 将插入快引 的安装夹部分连同快引弯向安装夹的主体部分， 与主体部分卡接固定 同时安装夹主体部分的定位针刺入快 引 ， 将快引 固定 同时压接块将平行黑引线压在电路板的电 阻丝上 0 导线对向 电阻丝通电后， 电阻丝发热， 直接点燃与 之接触的里引线 ， 从而点燃烟花引线。
-tic 由于整个电八占、、火头不含有火药成分， 不会因为摩擦 、 击而产生误触发现象 ， 保证了该实用新型生产、 贮藏 、 运输 和使用中的安全性 由于电阻丝周 围没有强氧化性的火药， 该实用新型长时间储存也不会影响 电阻丝的发热性能 从而 保证了该实用新型 定的点火性能 ； 由于快引的可靠女装仅 需集成在安装夹上的插 、 压两个动作完成 无需其它辅助材 料 ， 从而保证了该实用新型的使用过程的高效性 0
综上所述 本实用新型是一种安全系数 ί¾ 、 性能稳定可 罪 、 结构简单 、 制造方便 、 使用效率高而且无火药的快引 电 点火头。
附图说明
图 1 是本头用新型实施例的爆炸示意图；
图 2 是本实用新型实施例中 1- ¾
丄 皿的结构示意图
图 3 是本实用新型头施例的使用时插入前示思图
图 4 是本实用新型实施例的使用时插入中示思图
图 5 是本实用新型实施例的使用时插入后示思图
图 6 是本实用新型实施例的电路板优化图。
具体实施方式
参见图 1 和图 2， 安装夹 1 由上盖 2 和下盖 3 组成， 其 中下盖 3 的前端设有一个舌形塞子 4， 舌形塞子 4 上有电路 板槽 5， 在电路板槽 5 的两边有电路板固定卡位 6， 在下盖 3 的两侧对齐固定电路板固定卡位 6 的位置设有点火合拢下卡 位 7， 下盖 3 的后端设有导线定位槽 8， 下盖 3 的后端两侧 设有导线合拢下卡位 9， 舌形塞子 4 与下盖 3 的后端之间形 成有一条横向 的弯折缺口 10， 沿弯折缺口 10， 舌形塞子 4 与下盖 3 的后端不在同一水平面上； 电阻丝 11 为 电热转换 能力 良好的 电阻丝绕制成细密的螺旋状， 并采用焊锡亲和金 属进行微量电镀处理以便于 接， 电阻丝 11 与导线对 12 悍 接在电路板 13 上， 电阻丝 11 位于前端， 与即将插入快引 17 的方向垂直， 将焊好的电路板 13 通过电路板固定卡位 6 固 定在下盖 3 的电路板槽 5 中 ， 导线对 12 通过导线定位槽 8 固定； 上盖 2 的后端有导线合拢上卡位 14， 前端有点火合拢 上卡位 15， 上盖 2 的前端中心位置粘接固定有一根定位针 16； 上盖 2 与下盖 3 通过导线合拢下卡位 9 和导线合拢上卡 位 14 固定成为一个整体安装夹 1。
参见图 3、 图 4 和图 5， 使用时， 理出快引 17 中黑引线 18 与下层牛皮纸 19 之间的空隙， 将安装夹 1 的舌形塞子 4 插入空隙中 ， 电路板 13 朝向黑引线 18， 插入到位后， 黑引 线 18 位于电阻丝 11 的上方，将快引 17 与下盖 3 的前端部分 沿弯折缺口 10 向上弯折， 弯折过程中 ， 快引定位针 16 刺破 快引 17 的上层牛皮纸 19 将快引 17 定位， 同时上盖 2 将黑引 线 18 压向 电阻丝 11， 当点火合拢下卡位 9 与点火合拢上卡 位 15 卡接后， 快引 17 被牢牢固定在安装夹 1 中 ， 而且黑引 线 18 与电阻丝 11 保持可靠接触。 通电后， 导线对 12 将电流 导向 电阻丝 11， 电阻丝 11 发热， 直接点燃与之接触的黑引 线 18， 从而引燃快引 17。
参见图 6， 在对应电阻丝 11 发热部分的电路板 13 位置， 打一孔位 20， 使电阻丝 11 的发热部分悬空， 防止电路板 13 对电阻丝 11 的热量吸收，从而提高点火效率。

Claims

权 利 要 求
1、 种安全、 高效的无药快引 电点火头， 包括一电路板
(13) 、 根导线对 （12)、 一根电阻丝 ( 11 )和一个安装夹 (1)， 其特征是 ： 所述的 电阻丝 （ 11 )与所述的导线对（12)焊接在所 述的电路板 (13)上，所述的安装夹 （1)的前端下块为便于插进 快引 的舌形塞子 （4)， 所述安装夹 （1)的前端上块设有 与插 进的快引对应的定位针 （16)， 所述的 电路板 （13)固定在所述 的舌形塞子 (4)上，所述的电阻丝 （11)朝上且与插进的快引方 向垂直对应 ，所述的导线对 （12)沿所 S安装夹 （ 1 )后端引 出并 固定， 所述的安装夹 （1)前端上下块的两侧设有合拢卡位， 所 述的安装夹前端在外力作用下相互合拢并沿所述合拢卡位卡 接固定。
2、 根据权利要求 1 所述的安全、 高效的无药快引 电点 火头， 其特征是： 所述的安装夹 （1) 由上盖 （2)和下盖 （3)组 成， 所述的舌形塞子 （4)设在所述的下盖 （3)的前端， 所述的 舌形塞子 （4)与所述的下盖 （3)的后端之间形成有弯折缺 口 (10)， 所述的舌形塞子 （4)上设有电路板槽 （5)， 在所述的电 路板槽（5)的两边设有电路板固定卡位 （6)， 在所述的下盖 （3) 的两侧对齐固定所述的 电路板固定卡位 （6)的位置设有点火 合拢下卡位 （7)， 所述的下盖 （3)的后端设有导线定位槽 （8)， 所述的下盖 （3)的后端两侧设有导线合拢下卡位（9)， 所述的 电路板 （13)通过所述的 电路板固定卡位 （6)固定在所述的 电 路板槽 （5)中 ， 所述的导线对 （12)通过导线定位槽 （8)固定； 所述的上盖 （2)的后端设有导线合拢上卡位 （14)， 前端设有 点火合拢上卡位（15)， 所述的上盖 （2)与所述的下盖（3)通过 所述的导线合拢下卡位 （9)和所述的导线合拢上卡位 （14)固 定成为一个整体安装夹（1)。
3、 根据权利要求 1 或 2 所述的安全、 高效的无药快引 电点火头， 其特征是： 所述的电阻丝 （11)为 电热转换能力 良 好的电阻丝绕制成细密的螺旋状。
4、 根据权利要求 1 或 2 所述的安全、 高效的无药快引 电点火头， 其特征是： 所述的电阻丝 （11)表面微量电镀处理 有焊锡亲和金属。 .
5、 根据权利要求 1 或 2 所述的安全、 高效的无药快引 电点火 头， 其特征是： 在所述电路板（13)上对应于所述电阻丝 （11) 发热部位的区域设有一孔位 （20)。
PCT/CN2009/000070 2008-09-28 2009-01-19 一种无药快引电点火头 WO2010034173A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800000747A1 (it) * 2018-01-11 2019-07-11 Pyromac Di Claudio Alebardi Accenditore elettrico per miccia, metodo ad esso associato e stazione di accensione

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519321B (zh) * 2011-12-23 2016-01-20 融硅思创(北京)科技有限公司 一种数码电子雷管桥丝焊接组件
CN102410793B (zh) * 2011-12-23 2016-01-20 融硅思创(北京)科技有限公司 一种数码电子雷管脚线焊接组件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5505631A (en) * 1993-07-16 1996-04-09 Kabelmetal Electro Gmbh Device to connect an explosive charge with an electric current source
US6966260B1 (en) * 2004-02-13 2005-11-22 Martinez Phillip M Clip-on device for coupling an electric match to a pyrotechnic fuse
CN2859444Y (zh) * 2006-01-05 2007-01-17 武理长 电点火快引连接器
CN2859269Y (zh) * 2005-11-22 2007-01-17 长沙凯维科技有限公司 一种烟花电点火头

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5505631A (en) * 1993-07-16 1996-04-09 Kabelmetal Electro Gmbh Device to connect an explosive charge with an electric current source
US6966260B1 (en) * 2004-02-13 2005-11-22 Martinez Phillip M Clip-on device for coupling an electric match to a pyrotechnic fuse
CN2859269Y (zh) * 2005-11-22 2007-01-17 长沙凯维科技有限公司 一种烟花电点火头
CN2859444Y (zh) * 2006-01-05 2007-01-17 武理长 电点火快引连接器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800000747A1 (it) * 2018-01-11 2019-07-11 Pyromac Di Claudio Alebardi Accenditore elettrico per miccia, metodo ad esso associato e stazione di accensione

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