CN208061056U - A kind of electronic signal monitoring system - Google Patents
A kind of electronic signal monitoring system Download PDFInfo
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- 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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- triode
- operational amplifier
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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
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.
Priority Applications (1)
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CN201820608624.5U CN208061056U (en) | 2018-04-26 | 2018-04-26 | A kind of electronic signal monitoring system |
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CN201820608624.5U CN208061056U (en) | 2018-04-26 | 2018-04-26 | A kind of electronic signal monitoring system |
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CN208061056U true CN208061056U (en) | 2018-11-06 |
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CN201820608624.5U Expired - Fee Related CN208061056U (en) | 2018-04-26 | 2018-04-26 | A kind of electronic signal monitoring system |
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Cited By (1)
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 |
-
2018
- 2018-04-26 CN CN201820608624.5U patent/CN208061056U/en not_active Expired - Fee Related
Cited By (1)
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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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20190426 |