Signal lamps and lanterns for protection

Signal lamps and lanterns for protection

  • CN 2,182,324 Y
  • Filed: 11/17/1993
  • Issued: 11/09/1994
  • Est. Priority Date: 11/17/1993
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of protection signal lamp, it comprises shell (8) and handle (7), feature of the present utility model is:

  • A, shell end face are provided with magnet (2) and contact-making switch (3) and charging jack (4),B, front and back are symmetrical arranged some light emitting diodes (1),C, front are provided with polarity display tube (5) and charging display tube (6),D, be provided with the generation signal circuit, wherein, per two light emitting diodes parallel connection is right, and three pairs of series connection are group, four groups of formation light source integral body in parallel, chargeable battery is in parallel with rectification circuit, is provided with coil L1 and L2, and the end of L1 is connected (C point) with the input of decompression capacitor C1, RC decay back, L2 footpath is connected with the input (BG1 base stage) of live wire display circuit, when the live wire of 220V AC power was communicated with the C point, the light emitting diode D30 in the live wire display circuit was luminous, and attaching plug polarity is correct.

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