Newborn cradle control circuit for obstetrics and gynecology department
A technology for controlling circuits and newborns. It is applied in the direction of shaker, electrical program control, and program control in sequence/logic controllers. It can solve problems such as fatigue and failure to coax newborns to sleep in time.
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Embodiment 1
[0021] A shaker control circuit for obstetrics and gynecology neonates, such as figure 1 As shown, it includes a power supply unit 1, an ECM amplifier circuit 2, a voltage doubler rectifier circuit 3, a timer circuit 4, an oscillator circuit 5, an electret microphone 6, a switch circuit and a start button 7, a first potentiometer 8, Oscillator frequency setting potentiometer 9, voltage divider circuit 10, first thyristor drive circuit 11, reverse amplifier circuit 12, second thyristor drive circuit 13, second electromagnet 14 and first electromagnet 15, The output end of described ECM amplifier circuit 2 is connected with the input end of voltage doubler rectifier circuit 3, the input end of described ECM amplifier circuit 2 is connected with electret microphone 6, the output end of described voltage doubler rectifier circuit 3 is connected with timer The input end of the circuit 4 is connected, the switch circuit and the start button 7 and the first potentiometer 8 are all co...
Embodiment 2
[0024] A shaker control circuit for obstetrics and gynecology neonates, such as figure 2 As shown, the ECM amplifying circuit 2 includes a triode Q2, a microphone MK1, a resistor R2, a resistor R3, a resistor R4, and an electrolytic capacitor EC5, the emitter of the triode Q2 is grounded, and the collector of the triode Q2 and the resistor R2 One end is connected, the other end of the resistor R2 is connected to +6V, the base of the triode Q2 is connected to one end of the resistor R4, the other end of the resistor R4 is connected to +6V, and the base of the triode Q2 is connected in series with the electrolytic capacitor EC5 and the microphone MK1, the other end of the microphone MK1 is grounded, one end of the resistor R3 is connected to +6V, and the other end of the resistor R3 is connected to the middle point of the series connection between the electrolytic capacitor EC5 and the microphone MK1.
[0025] The voltage doubler rectifier circuit 3 includes a triode Q1, a SPDT...
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