Fire-fighting emergency illumination device
A lighting equipment and fire emergency technology, which is applied in the field of fire protection and can solve the problems of low reliability of fire emergency lighting equipment
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[0021] figure 1 It is a structural block diagram of the fire emergency lighting equipment of an embodiment. Such as figure 1 As shown, the fire emergency lighting equipment includes at least two main power sources 102 , a backup power source 104 , lamps 106 , and a power control circuit 108 .
[0022] Wherein, each main power source 102 is connected to a general lighting power supply circuit, and the backup power source 104 is a storage battery. When the main power supply is working, it also charges the backup power supply 104 .
[0023] The power control circuit 108 is connected to each main power source 102 and backup power source 104 . When the working voltage of the currently working main power supply 102 is less than a preset value, the power control circuit 108 controls another main power supply to be connected to the lamp; 108 controls the backup power supply 104 to be connected to the lamp.
[0024] Wherein, the currently working main power supply refers to the ma...
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