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CN-224230059-U - Ignition device and ignition unit for multi-path ignition

CN224230059UCN 224230059 UCN224230059 UCN 224230059UCN-224230059-U

Abstract

The utility model relates to an ignition device and an ignition unit for multi-path ignition. The ignition device comprises a shell, wherein a central ignition cavity and a plurality of fire transmission channels which are arranged around the central ignition cavity at intervals are formed in the shell. The front end of the fire transmission channel is communicated with the central ignition cavity, and the igniter is arranged in the central ignition cavity. The plurality of tail end ignition parts are arranged at the tail ends of the plurality of fire transmission channels in a one-to-one correspondence manner. When the igniter ignites, the flame generated by the igniter can ignite the tail end ignition piece through the fire transmission channel, and the flame generated by the tail end ignition piece can be sprayed outwards. The device has the beneficial effects that the device has high synchronism, a plurality of tail end ignition parts can be ignited simultaneously, and the requirement that a plurality of explosive columns on the ignited parts are ignited simultaneously is met. The energy required is small, the volume is small, the cost is low, only one igniter is required to be ignited, the energy required is small, and the space and the cost occupied by the igniter are saved.

Inventors

  • WANG ZHENZHEN
  • DONG JIAJUN
  • YANG HUAN
  • Zhong Zicheng
  • CHEN JIE
  • Ou Lubin
  • FANG XIN

Assignees

  • 浙江物产光华民爆器材有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (9)

  1. 1. An ignition device for multiple ignition, comprising: The device comprises a shell (1), wherein a central ignition cavity (111) and a plurality of fire transmission channels (121) which are arranged around the central ignition cavity (111) at intervals are arranged on the shell (1), and the front ends of the fire transmission channels (121) are communicated with the central ignition cavity (111); An igniter (2) disposed within the central ignition chamber (111); a plurality of tail end ignition pieces (3) are arranged at the tail ends of the fire transmission channels (121) in a one-to-one correspondence manner; When the igniter (2) ignites, flame generated by the igniter (2) can ignite the end ignition piece (3) through the fire transfer channel (121), and flame generated by the end ignition piece (3) can be sprayed outwards.
  2. 2. Ignition device for multiplex ignition according to claim 1, characterized in that said housing (1) comprises: A central portion (11) which is a vertically oriented cylinder, the interior of which forms the central ignition chamber (111); The fire transfer device comprises a central part (11), a plurality of branch parts (12), wherein the branch parts (12) are arranged around the periphery of the central part (11) at intervals, the branch parts (12) are tube bodies, the front ends of the branch parts (12) horizontally extend to the central part (11), the tail ends of the branch parts vertically extend, and the fire transfer channels (121) are formed inside the branch parts.
  3. 3. An ignition device for multiplex ignition according to claim 2, characterized in that said terminal ignition element (3) comprises: a sleeve (31) which is sleeved on the outer periphery of the tail end of the branching part (12); The baffle ring (33) is detachably fixed at the bottom of the sleeve (31), and an ignition hole (331) is formed in the center of the baffle ring (33); A first powder box (32) inserted into a space defined by the inner periphery of the sleeve (31), the distal end of the branch portion (12), and the top of the retainer ring (33); The fire transfer channel (121), the first powder column (321) in the first powder box (32) and the ignition hole (331) are in one-to-one correspondence from top to bottom.
  4. 4. A device for multiple ignition according to claim 3, characterized in that the stop ring (33) is screwed onto the sleeve (31).
  5. 5. A device for multiple ignition according to claim 3, characterized in that the bottom of the first cartridge (32) is fixedly provided with a metal flap for closing the bottom of the first cartridge (321).
  6. 6. An ignition device for multiple ignition according to claim 3, characterized in that a second cartridge (4) is provided between the front end and the terminal end of the branch (12); The fire transfer channel (121) corresponds to two ends of a second powder column (41) in the second powder box (4); When the igniter (2) ignites, the flame generated by the igniter (2) can ignite the second powder column (41) in the second powder box (4) through the fire transmission channel (121), and the flame generated by the second powder column (41) reaches the tail end ignition piece (3) through the fire transmission channel (121).
  7. 7. The ignition device for multiple ignition according to claim 6, wherein the front end and the terminal end of the branch portion (12) are disconnected to form two opposite interfaces, and both ends of the cartridge case of the second cartridge (4) are screwed to the two interfaces.
  8. 8. An ignition device for multiplex ignition according to any one of claims 1-7, characterized in that the igniter (2) is a semiconductor igniter.
  9. 9. An ignition unit comprising an ignition device for multiplex ignition according to any one of claims 1-8, characterized by further comprising an ignited member; the ignition device is arranged above the ignited piece, and a plurality of end ignition pieces (3) are in one-to-one correspondence with a plurality of grains on the ignited piece.

Description

Ignition device and ignition unit for multi-path ignition Technical Field The utility model relates to the technical field of igniters, in particular to an ignition device and an ignition unit for multi-path ignition. Background Currently, ignition devices employing semiconductor igniters commonly employ a short-range two-way redundancy design and a short-range one-way design, both of which are used to ignite a single location. The ignition principle of the ignition device is that an igniter in the ignition device activates a current signal through the outside to enable a heat bridge wire to heat and ignite sensitive ignition powder contacted with the heat bridge wire, the ignition powder ignites the ignition powder in a main powder box below, flame is output through a fire transmission channel reserved below the powder box, and the ignition function is realized by igniting the medicament to be ignited. The ignition device has single function and can only ignite one place, and when the ignition device is applied to a plurality of places where a large-sized ignited piece needs to be ignited at the same time, a plurality of groups of ignition devices can only be arranged for ignition respectively. The ignition method has the following problems: (a) The synchronism is poor, the signal receiving of a plurality of groups of ignition devices has time delay, the igniters are difficult to ignite simultaneously, and the requirement of igniting at a plurality of positions at the same time required by the ignited parts cannot be met. (b) The required energy is large, each igniter needs an independent external excitation current signal, if a plurality of igniters are ignited simultaneously, the total energy required is large, and a part of devices are difficult to provide enough excitation energy. (c) The volume is large and the cost is high, the whole volume occupied by a plurality of igniters is large, the placement inside the device with space effectiveness is difficult to adapt, the volume of fuel of the device is sacrificed, the movement distance of the device and the energy which can be generated are sacrificed, and the arrangement of a plurality of igniters also increases the cost of the device. Disclosure of utility model First, the technical problem to be solved In view of the above-mentioned drawbacks and disadvantages of the prior art, the present utility model provides an ignition device and an ignition unit for multi-path ignition, which solve the problems of poor synchronization, large energy and large volume, and high cost when a plurality of groups of ignition devices ignite a large ignited part at the same time. Technical problem. (II) technical scheme In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps: In a first aspect, an embodiment of the present utility model provides an ignition device for multiple ignition, including: The device comprises a shell, a central ignition cavity, a plurality of fire transmission channels, a plurality of ignition control modules and a control module, wherein the central ignition cavity and the plurality of fire transmission channels are arranged around the central ignition cavity at intervals; the igniter is arranged in the central ignition cavity; The tail end ignition parts are arranged at the tail ends of the fire transmission channels in a one-to-one correspondence manner; When the igniter ignites, the flame generated by the igniter can ignite the end ignition piece through the fire transmission channel, and the flame generated by the end ignition piece can be sprayed outwards. According to the utility model, the housing comprises: The central part is a vertically oriented cylinder body, and the central ignition cavity is formed in the central part; the fire transfer device comprises a central part, a plurality of branch parts and a fire transfer channel, wherein the branch parts are arranged around the periphery of the central part at intervals, the branch parts are tube bodies, the front ends of the branch parts horizontally extend to the central part, the tail ends of the branch parts vertically extend, and the fire transfer channel is formed inside the branch parts. According to the present utility model, the end-firing member comprises: a sleeve sleeved on the periphery of the tail end of the branching part; the baffle ring is detachably fixed at the bottom of the sleeve, and an ignition hole is formed in the center of the baffle ring; the first gunpowder box is inserted into a space surrounded by the inner periphery of the sleeve, the tail end parts of the branch parts and the top of the baffle ring; The fire transmission channel, the first powder column in the first powder box and the ignition holes are in one-to-one correspondence from top to bottom. According to the utility model, the baffle ring is screwed on the sleeve. According to the utility model, the bottom of the first powder