The co-signal processor of inductive load and resistive load used for electrical fire supervision
A resistive load and shared signal technology, which is applied in the field of signal processors, can solve the problems of signal amplifier circuit incompatibility, increased purchase cost, and poor flexibility, so as to improve monitoring accuracy and timeliness, reduce post-maintenance costs, and improve production efficiency. and easy-to-use effects
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[0012] The present invention will be further explained below in conjunction with the drawings:
[0013] Such as figure 1 As shown, the inductive and resistive load shared signal processor for electrical fire monitoring of the present invention includes a signal amplifier circuit 11, a current signal conversion circuit 12, and a function conversion circuit 13. The signal amplifier circuit 11 includes an operational amplifier A1 and a first A capacitor C1, a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4, the non-inverting input terminal of the operational amplifier A1 is connected to the first terminal of the third resistor R3, and the inverting input terminal of the operational amplifier A1 Are respectively connected to the first end of the fourth resistor R4 and the first end of the second resistor R2, the output end of the operational amplifier A1, the second end of the second resistor R2 and the first end of the first resistor R1 are con...
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