Circuit structure of a multi-working mode energy-saving power socket board
A working mode and energy-saving power supply technology, applied in circuits, circuit devices, AC network circuits, etc., can solve problems such as waste of electric energy, achieve the effects of improving linearity, avoiding long-term standby, and facilitating load capacity
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Embodiment 1
[0017] Embodiment 1: as Figure 1-Figure 4 As shown, a circuit structure of a multi-working mode energy-saving power socket board includes a main circuit and a control circuit, and the main circuit includes a three-phase mains plug P1 connected in series and a normally open contact J1-1.J1 on the relay J1 -2 and porous socket unit S1; the control circuit includes single-chip microcomputer U5, current transformer U1, current / voltage converter U2, voltage comparator U4, single-pole multi-throw switch K3, single-pole multi-throw switch K4 and relays J1, J2, triode Relay J1, J2 control interface composed of Q1, Q2, diodes D2, D4, resistors R7, R8, power-off key switch K2, etc., one end of the three-phase mains plug P1 is connected to the input end of the current transformer U1, the fuse resistor RF1 and The normally open contact J1-2 on the relay J1 is serially connected to one end of the porous socket unit S1; the other end of the three-phase mains plug P1 is connected to the por...
Embodiment 2
[0020] Embodiment 2: as Figure 1-Figure 4 As shown, a multi-working mode energy-saving power supply socket board includes a socket box 6, a porous socket unit 3 is arranged on the upper side of the socket box 6, a power-off time setting switch 5 and a power-on time setting switch 4 are arranged on the upper side of the upper end, and the upper end passes through The power cord is connected with a three-phase mains plug 1, and the upper side of the lower end is provided with a power-on key switch 9 and a power-off key switch 8, a socket power-on LED indicator 7 and a control unit LED indicator 10, a power-on key switch 9 and a power-off key switch 8 All are rotary multi-position switches.
[0021] Preferably, the above-mentioned porous socket unit 3 is connected to the three-phase mains plug 1 through the on-off relay and the current transformer in turn, the current transformer is connected to the single-chip microcomputer through the current detection interface, the single-ch...
Embodiment 3
[0034] Embodiment 3: as image 3 As shown, the control circuit of the above-mentioned power socket board includes a single-chip microcomputer, and the single-chip microcomputer 16 is respectively connected to the socket power-off interface 14, the current detection interface 13, the power-on and power-off relay 11, the power-on time setting switch 4 and the power-off time setting switch 5 electrical connections; the socket on-off interface 14 is electrically connected to the power cord 2, the power-on key switch 9, the power-off key switch 8, the single-chip microcomputer 16, the control unit LED indicator light 10 and the control unit power supply 15 respectively; the current mutual inductance The device 12 is electrically connected with the power line 2, the socket power-on / off interface 14, the current detection interface 13, and the power-on / off relay 11 respectively; The indicator light 7 and the single-chip microcomputer 16 are connected; the control unit power supply 15...
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