bidirectional jet flame igniter for aerosol fire suppression apparatus

Abstract

The present invention relates to a bidirectional jet flame igniter for aerosol fire suppression apparatus, comprising igniter bracket ( 5 ) and igniter cup ( 6 ), wherein the igniter cup ( 6 ) is fixed in relation to the igniter bracket ( 5 ), and has ignition chemical agent ( 3 ) and ignition head ( 4 ) therein; the ignition head ( 4 ) is fixed at the center of the ignition chemical agent ( 3 ), and is connected with ignition head lead wire ( 1 ). Compared to that in the prior art, the flame igniter in the present invention has satisfactory air-tightness and moisture-proof performance, and can effectively protect the ignition chemical agent therein against vibrations; in addition, the flame igniter achieves synchronous bidirectional ignition.

1 . A bidirectional jet flame igniter for an aerosol fire suppression apparatus, comprising igniter bracket and igniter cup, wherein the igniter cup is fixed in relation to the igniter bracket, and has ignition chemical agent and ignition head therein; the ignition head is fixed at the center of the ignition chemical agent, and is connected with ignition head lead wire. 
     
     
         2 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 1 , characterized in that a tubular rivet is fixed to one end of the igniter cup and the ignition head lead wire is fixed in relation to the tubular rivet. 
     
     
         3 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 1 , characterized in that a connecting piece is arranged outside of the igniter cup and the ignition head lead wire is fixed in relation to the connecting piece. 
     
     
         4 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 3 , characterized in that the igniter cup has external threads for screwing with the connecting piece and the connecting piece is screwed together with the igniter cup. 
     
     
         5 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 1 , characterized in that the igniter cup has a volume of 4 cm 3 ˜10 cm 3 . 
     
     
         6 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 1 , characterized in that the ignition head comprises two ignition heads connected in shunt and the shunt resistance of the two ignition heads is within the range of 1.2Ω˜1.8Ω. 
     
     
         7 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 1 , characterized in that an igniter cap is fixed to the port at one end of the igniter cup and flame jets are arranged on the igniter cup and igniter cap. 
     
     
         8 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 7 , characterized in that 1˜100 flame jets are arranged on the igniter cup and igniter cap and the flame jets have a diameter of Φ0.1 mm˜Φ20 mm. 
     
     
         9 . The bidirectional jet flame igniter for an aerosol fire suppression apparatus according to  claim 1 , characterized in that 5˜30 flame jets are arranged on the igniter cup and the flame jets have a diameter of Φ1 mm˜Φ5 mm.