Start device

Start device

  • CN 100,418,294 C
  • Filed: 03/11/2005
  • Issued: 09/10/2008
  • Est. Priority Date: 03/11/2005
  • Status: Active Grant
First Claim
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1. a starting drive is applied to the startup of power supply unit, is connected to an input voltage source and and keeps electric capacity, it is characterized in that including:

  • One transistor has one source pole end, a gate terminal and a drain electrode end, and this drain electrode end is connected to this input voltage source, and this source terminal is connected to this and keeps electric capacity;

    One start-up control unit has an input and an output, and this input is connected in this and keeps electric capacity and this transistorized source terminal, and this output is connected in this transistorized gate terminal;

    One switches switch, is connected in the output of this start-up control unit and this keeps electric capacity;

    This input voltage source is controlled this transistor turns thus, and this is kept electric capacity charge, after this start-up control unit is kept electric capacity and is obtained a starting resistor from this, to control this diverter switch conducting, offer control circuit use with the electric energy of this being kept on the electric capacity, and control this transistor and end, in order to cut off this input voltage source this is kept the charge path of electric capacity charging.

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