A kind of vehicle passenger cab illumination redundancy backup power supply circuit and control method

A kind of vehicle passenger cab illumination redundancy backup power supply circuit and control method

  • CN 107,889,307 A
  • Filed: 11/02/2017
  • Published: 04/06/2018
  • Est. Priority Date: 11/02/2017
  • Status: Active Application
First Claim
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1. a kind of vehicle passenger cab illuminates redundancy backup power supply circuit, it is characterised in that is driven including two internal structure identicalsPower supply, respectively the first driving power and the second driving power, the input of two driving powers connect with power supply circuitConnect, the output end of two driving powers connects respectively to be loaded all the way, and the load capacity of the driving power is higher than actual negativeCarry, the driving power includes power circuit unit, control circuit unit and stand-by circuit unit, the input of the driving powerDraw power circuit unit and control circuit unit, the positive pole and stand-by circuit list of the power circuit unit connection load in endMember, the negative pole of the control circuit unit connection load, the stand-by circuit unit of two driving powers are connected with each other.

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