CN208061056U - A kind of electronic signal monitoring system - Google Patents

A kind of electronic signal monitoring system Download PDF

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Publication number
CN208061056U
CN208061056U CN201820608624.5U CN201820608624U CN208061056U CN 208061056 U CN208061056 U CN 208061056U CN 201820608624 U CN201820608624 U CN 201820608624U CN 208061056 U CN208061056 U CN 208061056U
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CN
China
Prior art keywords
resistance
signal
circuit
triode
operational amplifier
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Expired - Fee Related
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CN201820608624.5U
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Chinese (zh)
Inventor
王玉巧
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Huanghe Science and Technology College
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Huanghe Science and Technology College
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Priority to CN201820608624.5U priority Critical patent/CN208061056U/en
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Abstract

A kind of electronic signal monitoring system,Including voltage stabilizing input circuit,Circuit for signal conditioning,Filter output circuit,The voltage stabilizing input circuit receives the signal of electronic signal monitoring-controlling system signal input port,Circuit for signal conditioning is flowed into after triode voltage stabilizing input circuit voltage stabilizing with triode Q1 and voltage-stabiliser tube D4 compositions,The circuit for signal conditioning forms amplifying circuit with triode Q1 and operational amplifier A R1,When there are when abnormal signal in the signal of voltage stabilizing input circuit input,Triode Q2 conductings,Operational amplifier A R1 work,Power supply+10V carries out potential compensation through resistance R2 and diode D3 in operational amplifier A R1 output ends,The signal of the last filtering output circuit receiving signal economize on electricity road input,It is output in electronic signal monitoring-controlling system signal transmission channel after second-order low-pass filter output circuit filtering with operational amplifier A R2 compositions.

Description

A kind of electronic signal monitoring system
Technical field
The utility model is related to electronic communication fields, more particularly to a kind of electronic signal monitoring system.
Background technology
Electronic signal monitors the various aspects that this technology has been deep into people's live and work, brings convenient Simultaneously there is also some problems, the relatively low situation of the efficiency of transmission of controller end signal in electronic signal monitoring system influences The output effect of electronic monitoring and control system.
Utility model content
For the above situation, to overcome the defect of the prior art, the utility model to be designed to provide a kind of electricity Subsignal monitoring system, have be skillfully constructed, the characteristic of human oriented design, efficiently solve and controlled in electronic signal monitoring system The relatively low situation of the efficiency of transmission of device end signal processed.
Its technical solution solved is a kind of electronic signal monitoring system, including voltage stabilizing input circuit, Signal Regulation electricity Road, filtering output circuit, the voltage stabilizing input circuit receives the signal of electronic signal monitoring-controlling system signal input port, with three Circuit for signal conditioning, the Signal Regulation electricity are flowed into after the triode voltage stabilizing input circuit voltage stabilizing of pole pipe Q1 and voltage-stabiliser tube D4 compositions Road forms amplifying circuit with triode Q1 and operational amplifier A R1, abnormal when existing in the signal of voltage stabilizing input circuit input When signal, triode Q2 conductings, operational amplifier A R1 work, power supply+10V is through resistance R2 and diode D3 in operational amplifier AR1 output ends carry out potential compensation, the signal of the last filtering output circuit receiving signal economize on electricity road input, with operation It is output to electronic signal monitoring-controlling system signal transmission channel after the second-order low-pass filter output circuit filtering of amplifier AR2 compositions It is interior;
The voltage stabilizing input circuit includes resistance R3, a termination signal input port of resistance R3, the other end of resistance R3 The collector of one end and triode Q1 of connecting resistance R4, the base of the cathode and triode Q1 of another termination voltage-stabiliser tube D4 of resistance R4 Pole, the plus earth of voltage-stabiliser tube D4, the emitter of triode Q1 connect the base stage of triode Q2.
The filtering output circuit includes resistance R8, one end of another terminating resistor R9 of resistance R8 and the one of capacitance C2 End, the in-phase input end of one end and operational amplifier A R2 of another termination capacitor C1 of resistance R9, another termination of capacitance C1 Ground, one end of the anti-phase input terminating resistor R10 and resistance R11 of operational amplifier A R2, the other end ground connection of resistance R10, resistance The output end of another termination operational amplifier A R2 of R11, the other end and output port of capacitance C2.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art;
Circuit for signal conditioning includes triode Q2, and one end of the emitter connecting resistance R5 of triode Q2, resistance R5's is another End ground connection, the collector of triode Q2 connect one end of the in-phase input end and inductance L1 of operational amplifier A R1, and inductance L1's is another The contact 2 of slide rheostat RW1 is terminated, the contact 1 of slide rheostat RW1 connects the cathode of diode D2, slide rheostat RW1's Contact 3 is grounded and the cathode of diode D1, one end of the anode connecting resistance R1 and resistance R2 of diode D1, the other end of resistance R1 Power supply+10V, the anode of another the terminating diode D2 and diode D3 of resistance R2 are met, the cathode of diode D3 connects operation amplifier One end of the output end and resistance R6 and resistance R8 of device AR1, one end of the anti-phase input terminating resistor R7 of operational amplifier A R1 and The other end of resistance R6;Triode Q1 plays the single triode Q1 of signal amplification cannot meet input signal to signal amplification Amplification demand, the signal after triode Q1 enhanced processings is further amplified in operational amplifier A R1, and power supply+10V is through resistance R2 Output end with diode D3 in operational amplifier A R2 provides thermal compensation signal, improves the efficiency of transmission of signal.
Description of the drawings
Fig. 1 is a kind of circuit module figure of electronic signal monitoring system of the utility model.
Fig. 2 is a kind of circuit diagram of electronic signal monitoring system of the utility model.
Specific implementation mode
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached Fig. 2 is in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is to say Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, a kind of electronic signal monitoring system, including voltage stabilizing input circuit, circuit for signal conditioning, filtering output Circuit, the voltage stabilizing input circuit receive the signal of electronic signal monitoring-controlling system signal input port, with triode Q1 and surely Circuit for signal conditioning is flowed into after the triode voltage stabilizing input circuit voltage stabilizing of pressure pipe D4 compositions, the circuit for signal conditioning uses three poles Pipe Q1 and operational amplifier A R1 forms amplifying circuit, when in the signal of voltage stabilizing input circuit input there are when abnormal signal, three poles Pipe Q2 conducting, operational amplifier A R1 work, power supply+10V through resistance R2 and diode D3 operational amplifier A R1 output ends into Row potential compensation, the signal of the last filtering output circuit receiving signal economize on electricity road input, with operational amplifier A R2 groups At second-order low-pass filter output circuit filtering after be output in electronic signal monitoring-controlling system signal transmission channel;
The circuit for signal conditioning includes triode Q2, one end of the emitter connecting resistance R5 of triode Q2, resistance R5's The other end is grounded, and the collector of triode Q2 connects one end of the in-phase input end and inductance L1 of operational amplifier A R1, inductance L1's The contact 2 of another termination slide rheostat RW1, the contact 1 of slide rheostat RW1 connects the cathode of diode D2, slide rheostat The cathode of contact 3 ground connection and diode D1 of RW1, one end of the anode connecting resistance R1 and resistance R2 of diode D1, resistance R1's The anode of another the terminating diode D2 and diode D3 of another termination power+10V, resistance R2, the cathode of diode D3 connect fortune One end of the output end and resistance R6 and resistance R8 of amplifier AR1 is calculated, the anti-phase input terminating resistor R7's of operational amplifier A R1 The other end of one end and resistance R6, power supply+10V provide external power supply for circuit for signal conditioning, adjust the resistance of slide rheostat RW1 Value can control the signal magnitude of triode Q2 and operational amplifier A R1 in-phase input ends, and inductance L1 filters AC signal, three poles Pipe Q1 plays signal amplification, and the amplification of single transistor amplifier cannot meet the amplification demand of input signal, transports It calculates amplifier AR1 and secondary amplification is carried out to the signal after triode Q1 enhanced processings, power supply+10V is through resistance R2 and diode D3 Thermal compensation signal is provided in the output end of operational amplifier A R2, improves the efficiency of transmission of signal, diode D1-D3 is in circuit It can anti-backflow.
Embodiment two, on the basis of embodiment one, the voltage stabilizing input circuit includes resistance R3, a termination of resistance R3 Signal input port, the collector of one end and triode Q1 of another terminating resistor R4 of resistance R3, another termination of resistance R4 The base stage of the cathode and triode Q1 of voltage-stabiliser tube D4, voltage-stabiliser tube D4 can make voltage stabilization to required voltage, triode Q1 With being Current amplifier and voltage adjustment, because the output current of voltage-stabiliser tube D4 is smaller, load generally can not be met, electric current is wanted It asks, so to provide electric current from triode Q1 to output port, in this circuit arrangement, triode Q1 also carries adjustment output voltage It is allowed to keep stable effect, when input voltage increases, the collector junction pressure drop of triode Q1 also increases therewith, works as input voltage When reduction, the collector junction pressure drop of triode Q1 also reduces therewith, thus maintains the stabilization of output voltage.
Embodiment three, on the basis of embodiment one, the filtering output circuit includes resistance R8, the other end of resistance R8 One end of one end and capacitance C2 of connecting resistance R9, one end of another termination capacitor C1 of resistance R9 and operational amplifier A R2's is same Phase input terminal, the other end ground connection of capacitance C1, the one of the anti-phase input terminating resistor R10 and resistance R11 of operational amplifier A R2 End, the other end ground connection of resistance R10, the output end of another termination operational amplifier A R2 of resistance R11, the other end of capacitance C2 And output port, resistance R8, resistance R9 and capacitance C1 constitute a filter and are filtered to input signal, the letter after filtering Number return by operational amplifier A R2 amplification and then by capacitance C2 positive feedbacks, resistance R9 and capacitance C1 constitute one again at this time A filtering output circuit is filtered, and filtering is amplified into operational amplifier A R2 amplifying circuits again, substantially increases filtering effect Fruit.
When the utility model is specifically used, a kind of electronic signal monitoring system, including voltage stabilizing input circuit, Signal Regulation electricity Road, filtering output circuit, the voltage stabilizing input circuit receives the signal of electronic signal monitoring-controlling system signal input port, with three Circuit for signal conditioning, the Signal Regulation electricity are flowed into after the triode voltage stabilizing input circuit voltage stabilizing of pole pipe Q1 and voltage-stabiliser tube D4 compositions Road forms amplifying circuit with triode Q1 and operational amplifier A R1, abnormal when existing in the signal of voltage stabilizing input circuit input When signal, triode Q2 conductings, operational amplifier A R1 work, power supply+10V is through resistance R2 and diode D3 in operational amplifier AR1 output ends carry out potential compensation, the signal of the last filtering output circuit receiving signal economize on electricity road input, with operation It is output to electronic signal monitoring-controlling system signal transmission channel after the second-order low-pass filter output circuit filtering of amplifier AR2 compositions Interior, input signal after the voltage stabilizing input circuit steady pressure treatment of voltage-stabiliser tube D4 and triode Q1 compositions through entering triode Q2 and fortune Amplifier AR1 amplifying circuits are calculated, triode Q1 plays signal amplification, and the amplification of single transistor amplifier cannot expire The amplification demand of sufficient input signal, operational amplifier A R1 carry out secondary amplification, power supply to the signal after triode Q1 enhanced processings Output ends of+the 10V through resistance R2 and diode D3 in operational amplifier A R2 provides thermal compensation signal, improves the transmission effect of signal Rate finally exports after the filtering of second-order low-pass filter output circuit.
The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally Utility model specific implementation is limited only to this;For belonging to the utility model and for those skilled in the technology concerned, Under the premise of technical solutions of the utility model thinking, made by expand and operating method, data replacement, should all fall Within scope of protection of the utility model.

Claims (3)

1. a kind of electronic signal monitoring system, including voltage stabilizing input circuit, circuit for signal conditioning, filtering output circuit, feature It is, the voltage stabilizing input circuit receives the signal of electronic signal monitoring-controlling system signal input port, with triode Q1 and surely Circuit for signal conditioning is flowed into after the triode voltage stabilizing input circuit voltage stabilizing of pressure pipe D4 compositions, the circuit for signal conditioning uses three poles Pipe Q1 and operational amplifier A R1 forms amplifying circuit, when in the signal of voltage stabilizing input circuit input there are when abnormal signal, three poles Pipe Q2 conducting, operational amplifier A R1 work, power supply+10V through resistance R2 and diode D3 operational amplifier A R1 output ends into Row potential compensation, the signal of the last filtering output circuit receiving signal economize on electricity road input, with operational amplifier A R2 groups At second-order low-pass filter output circuit filtering after be output in electronic signal monitoring-controlling system signal transmission channel;
The circuit for signal conditioning includes triode Q2, and one end of the emitter connecting resistance R5 of triode Q2, resistance R5's is another End ground connection, the collector of triode Q2 connect one end of the in-phase input end and inductance L1 of operational amplifier A R1, and inductance L1's is another The contact 2 of slide rheostat RW1 is terminated, the contact 1 of slide rheostat RW1 connects the cathode of diode D2, slide rheostat RW1's Contact 3 is grounded and the cathode of diode D1, one end of the anode connecting resistance R1 and resistance R2 of diode D1, the other end of resistance R1 Power supply+10V, the anode of another the terminating diode D2 and diode D3 of resistance R2 are met, the cathode of diode D3 connects operation amplifier One end of the output end and resistance R6 and resistance R8 of device AR1, one end of the anti-phase input terminating resistor R7 of operational amplifier A R1 and The other end of resistance R6.
2. a kind of electronic signal monitoring system as described in claim 1, which is characterized in that the voltage stabilizing input circuit includes electricity Hinder R3, a termination signal input port of resistance R3, the current collection of one end and triode Q1 of another terminating resistor R4 of resistance R3 Pole, the base stage of the cathode and triode Q1 of another termination voltage-stabiliser tube D4 of resistance R4, the plus earth of voltage-stabiliser tube D4, triode Q1 Emitter connect the base stage of triode Q2.
3. a kind of electronic signal monitoring system as described in claim 1, which is characterized in that the filtering output circuit includes resistance One end of one end and capacitance C2 of another terminating resistor R9 of R8, resistance R8, one end of another termination capacitor C1 of resistance R9 and The in-phase input end of operational amplifier A R2, the other end ground connection of capacitance C1, the anti-phase input terminating resistor of operational amplifier A R2 One end of R10 and resistance R11, the other end ground connection of resistance R10, the output of another termination operational amplifier A R2 of resistance R11 It holds, the other end and output port of capacitance C2.
CN201820608624.5U 2018-04-26 2018-04-26 A kind of electronic signal monitoring system Expired - Fee Related CN208061056U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820608624.5U CN208061056U (en) 2018-04-26 2018-04-26 A kind of electronic signal monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820608624.5U CN208061056U (en) 2018-04-26 2018-04-26 A kind of electronic signal monitoring system

Publications (1)

Publication Number Publication Date
CN208061056U true CN208061056U (en) 2018-11-06

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Family Applications (1)

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109375695A (en) * 2018-11-29 2019-02-22 国家电网有限公司 A kind of information-based remote monitoring system based on big data

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109375695A (en) * 2018-11-29 2019-02-22 国家电网有限公司 A kind of information-based remote monitoring system based on big data

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Granted publication date: 20181106

Termination date: 20190426