Power device
A power supply device and power supply technology, applied in the direction of circuit devices, emergency power supply arrangements, data switching current sources, etc., can solve problems such as voltage instability, affecting the use of network power receiving end equipment, poor power supply effect, etc., to achieve stable power supply effect Effect
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[0039] Such as figure 1 As shown, the power supply device 10 of the present invention is set in the network power receiving end device 30 for supplying power to the load 31 in the network power receiving end device 30 .
[0040] The power supply device 10 includes a first input terminal 11 , a second input terminal 13 , a main control circuit 15 and an output terminal 17 . The first input terminal 11 is connected to a first power source (not shown) to obtain electric energy. The second input terminal 13 is connected to a second power source (not shown) to obtain electric energy. The output terminal 17 is connected to a load 31 to provide an output voltage to the load 31 . The main control circuit 15 is electrically connected to the first input terminal 11 and the second input terminal 13, and the main control circuit 15 cuts off the first input terminal 11 and the second input terminal 13 when the voltage connected to the second input terminal 13 reaches a preset voltage. Th...
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