CN209710101U - A kind of coded communication monitoring system - Google Patents
A kind of coded communication monitoring system Download PDFInfo
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- CN209710101U CN209710101U CN201921105165.XU CN201921105165U CN209710101U CN 209710101 U CN209710101 U CN 209710101U CN 201921105165 U CN201921105165 U CN 201921105165U CN 209710101 U CN209710101 U CN 209710101U
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Abstract
The utility model discloses a kind of coded communication monitoring systems, including frequency collection circuit, feed back comparison circuit and clipping transmit circuit, the frequency collection circuit acquires the signal of input terminal in analog signal transmission channel in coded communication monitoring system, the feedback comparison circuit uses triode Q1, triode Q2 and voltage-stabiliser tube D3 forms constant-current source circuit pressure stabilizing, it inputs in transport and placing device AR1 non-inverting input terminal, abnormal signal is screened with triode Q3 and silicon-controlled VTL1 composition detection circuit simultaneously, it inputs in transport and placing device AR1 inverting input terminal all the way, two tunnels feed back to triode Q1 emitter, last clipping transmit circuit uses diode D6, diode D7 forms limit circuit to signal limiter, long-range control is sent to through signal projector E1 to after signal filtering with inductance L4 and capacitor C6 simultaneously In terminal processed, frequency signal can be converted to the calibration signal of remote control terminal.
Description
Technical field
The utility model relates to field of circuit technology, more particularly to a kind of coded communication monitoring system.
Background technique
Currently, with the continuous development of science and technology, the communication technology also increasingly develops, coded communication monitoring system mainly includes
Remote control terminal, signal emission module and signal acquisition module need after communication signal encryption modulation through signal emission module
It is sent in remote control terminal, encrypted signal is analog signal at this time, can be occurred in transmission process for anti-stop signal
Frequency hopping, problem of signal attenuation, it is therefore desirable to signal carry out real-time monitoring, convenient for remote control terminal to the signal received more
Add accurate analysis.
Utility model content
For above situation, a kind of encrypt that be designed to provide for the defect for overcoming the prior art, the utility model is led to
Believe monitoring system, can in real-time detection coded communication monitoring system in analog signal transmission channel input terminal signal, simultaneously
Frequency signal is converted to the calibration signal of remote control terminal.
Its technical solution solved is: a kind of coded communication monitoring system, including frequency collection circuit, feedback comparison circuit
With clipping transmit circuit, input terminal in analog signal transmission channel in frequency collection circuit acquisition coded communication monitoring system
Signal, this analog signal transmission channel is that coded communication monitoring system controlling terminal receives the logical of modulated analog signal
Road, the feedback comparison circuit form constant-current source circuit pressure stabilizing with triode Q1, triode Q2 and voltage-stabiliser tube D3, input amplifier
In device AR1 non-inverting input terminal, while abnormal signal is screened with triode Q3 and silicon-controlled VTL1 composition detection circuit, it is defeated all the way
Enter in transport and placing device AR1 inverting input terminal, two tunnels feed back to triode Q1 emitter, and last clipping transmit circuit uses diode
D6, diode D7 form limit circuit to signal limiter, while are sent out through signal with inductance L4 and capacitor C6 after signal filtering
Emitter E1 is sent in remote control terminal；
The feedback comparison circuit includes triode Q1, one end of the emitter connecting resistance R4 of triode Q1, triode Q1
Base stage connect the collector of triode Q2 and the cathode of diode D2, the base stage and electricity of the collector connecting transistor Q2 of triode Q1
Hold one end of C3 and the cathode of voltage-stabiliser tube D3, one end of the positive connecting resistance R3 of diode D2, another termination electricity of resistance R3
Resistance R4, the other end of capacitor C3 and the cathode of diode D4, the emitter of triode Q2 connect the anode of voltage-stabiliser tube D3, triode Q3
Base stage and one end of resistance R7, transport and placing device AR1 non-inverting input terminal, the collector of triode Q3 meets power supply+5V, triode Q3
Emitter connect the anode of silicon-controlled VTL1 and one end of the cathode of voltage-stabiliser tube D5, resistance R6, the cathode of silicon-controlled VTL1 connects two
The anode of pole pipe D4, the control electrode of silicon-controlled VTL1 connect voltage-stabiliser tube D5 anode and resistance R5, capacitor C4 one end, resistance R5,
The other end of capacitor C4 is grounded, the other end of the output terminating resistor R7 of transport and placing device AR1.
By above technical scheme, the utility model has the following beneficial effects:
1. screening abnormal signal with triode Q3 and silicon-controlled VTL1 composition detection circuit, triode Q3 detection is abnormal high
Level signal, when signal is abnormal high level signal, trigger triode Q3 conducting inputs transport and placing device after resistance R6 partial pressure all the way
In AR1 inverting input terminal, after silicon-controlled VTL1 conducting is triggered on two tunnels, triode Q1 emitter is fed back to, namely can be achieved on
Secondary Control high level signal, anti-stop signal is excessive, can directly puncture silicon-controlled VTL1, stabilizes transport and placing device AR1 output signal
Amplitude；
2. being further ensured that signal projector E1 to signal limiter with diode D6, diode D7 composition limit circuit
The range of trigger signal, while long-range control is sent to through signal projector E1 to after signal filtering with inductance L4 and capacitor C6
In terminal, when frequency hopping or decaying occur for signal, remote control terminal can make error to the signal received in time at this time
The effect that frequency signal is converted to the calibration signal of remote control terminal is realized in analysis.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model refer to 1 pair of reality of attached drawing in following cooperation
It applies in the detailed description of example, can clearly present.The structure content being previously mentioned in following embodiment is with Figure of description
For reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, a kind of coded communication monitoring system, including frequency collection circuit, feedback comparison circuit and clipping transmitting
Circuit, the frequency collection circuit acquire the signal of input terminal in analog signal transmission channel in coded communication monitoring system, this
Analog signal transmission channel is the channel that coded communication monitoring system controlling terminal receives modulated analog signal, described anti-
It presents comparison circuit and forms constant-current source circuit pressure stabilizing with triode Q1, triode Q2 and voltage-stabiliser tube D3, input the same phase of transport and placing device AR1
In input terminal, while abnormal signal is screened with triode Q3 and silicon-controlled VTL1 composition detection circuit, inputs transport and placing device all the way
In AR1 inverting input terminal, two tunnels feed back to triode Q1 emitter, and last clipping transmit circuit uses diode D6, diode
D7 forms limit circuit to signal limiter, while sending to after signal filtering through signal projector E1 with inductance L4 and capacitor C6
To remote control terminal；
The feedback comparison circuit forms constant-current source circuit pressure stabilizing, benefit with triode Q1, triode Q2 and voltage-stabiliser tube D3
Stablize triode Q1 collector potential with voltage-stabiliser tube D3, realize and stablize triode Q2 emitter potential, realizes constant-current source output
Effect, wherein capacitor C3 is decoupling capacitor, filters out high-frequency signal noise, inputs in transport and placing device AR1 non-inverting input terminal, uses simultaneously
Triode Q3 and silicon-controlled VTL1 composition detection circuit screens abnormal signal, and triode Q3 detects abnormal high level signal, works as letter
Number for abnormal high level signal, trigger triode Q3 conducting inputs transport and placing device AR1 inverting input terminal after resistance R6 partial pressure all the way
It is interior, after silicon-controlled VTL1 conducting is triggered on two tunnels, triode Q1 emitter is fed back to, namely can be achieved on Secondary Control high level
Signal, anti-stop signal is excessive, can directly puncture silicon-controlled VTL1, stabilize the amplitude of transport and placing device AR1 output signal；Triode Q1
Emitter connecting resistance R4 one end, the base stage of triode Q1 connects the collector of triode Q2 and the cathode of diode D2, three poles
The cathode of the base stage of the collector connecting transistor Q2 of pipe Q1 and one end of capacitor C3 and voltage-stabiliser tube D3, the anode of diode D2 connect
One end of resistance R3, another terminating resistor R4, the other end of capacitor C3 and the cathode of diode D4 of resistance R3, triode Q2's
Emitter connects the non-inverting input terminal of the anode of voltage-stabiliser tube D3, one end of the base stage of triode Q3 and resistance R7, transport and placing device AR1, and three
The collector of pole pipe Q3 meets power supply+5V, and the emitter of triode Q3 connects the anode of silicon-controlled VTL1 and cathode, the electricity of voltage-stabiliser tube D5
One end of R6 is hindered, the cathode of silicon-controlled VTL1 connects the anode of diode D4, and the control electrode of silicon-controlled VTL1 is meeting voltage-stabiliser tube D5 just
One end of pole and resistance R5, capacitor C4, the other end ground connection of resistance R5, capacitor C4, the output terminating resistor R7's of transport and placing device AR1
The other end.
Embodiment two, on the basis of example 1, the clipping transmit circuit are formed with diode D6, diode D7
Limit circuit is further ensured that the range of signal projector E1 trigger signal to signal limiter, while using inductance L4 and capacitor
C6 is sent in remote control terminal after filtering to signal through signal projector E1, when frequency hopping or decaying occur for signal, at this time
Remote control terminal can make error analysis to the signal received in time, and the cathode of diode D7 connects the anode of diode D6
With the output end of transport and placing device AR1, the anode of diode D7 connects the cathode of diode D6 and one end of inductance L4, and inductance L4's is another
One end of terminating resistor R8, capacitor C6, the other end ground connection of another termination signal projector E1 of resistance R8, capacitor C6.
Embodiment three, on the basis of example 2, the frequency collection circuit select the frequency of model SJ-ADC to adopt
Storage J1 Acquisition Circuit acquires the signal of input terminal in analog signal transmission channel in coded communication monitoring system, frequency collection device
One end of the power supply termination capacitor C1 of J1 and power supply+5V, the ground terminal ground connection of frequency collection device J1, the output of frequency collection device J1
One end of the other end of termination capacitor C1 and resistance R1, voltage-stabiliser tube D1 cathode, the plus earth of voltage-stabiliser tube D1, resistance R1's is another
One end of one termination capacitor C2 and one end of resistance R2, the other end ground connection of capacitor C2, another terminating diode D4 of resistance R2
Cathode.
The utility model is when specifically used, a kind of coded communication monitoring system, including frequency collection circuit, feedback compare
Circuit and clipping transmit circuit, the frequency collection circuit acquire defeated in analog signal transmission channel in coded communication monitoring system
Enter the signal at end, this analog signal transmission channel is that coded communication monitoring system controlling terminal receives modulated analog signal use
Channel, the feedback comparison circuit forms constant-current source circuit pressure stabilizing with triode Q1, triode Q2 and voltage-stabiliser tube D3, utilizes
Voltage-stabiliser tube D3 stablizes triode Q1 collector potential, realizes and stablizes triode Q2 emitter potential, realizes the effect of constant-current source output
Fruit, wherein capacitor C3 is decoupling capacitor, filters out high-frequency signal noise, is inputted in transport and placing device AR1 non-inverting input terminal, while using three
Pole pipe Q3 and silicon-controlled VTL1 composition detection circuit screens abnormal signal, and triode Q3 detects abnormal high level signal, works as signal
For abnormal high level signal, trigger triode Q3 conducting inputs transport and placing device AR1 inverting input terminal after resistance R6 partial pressure all the way
It is interior, after silicon-controlled VTL1 conducting is triggered on two tunnels, triode Q1 emitter is fed back to, namely can be achieved on Secondary Control high level
Signal, anti-stop signal is excessive, can directly puncture silicon-controlled VTL1, stabilizes the amplitude of transport and placing device AR1 output signal, last clipping
Transmit circuit forms limit circuit to signal limiter with diode D6, diode D7, while using inductance L4 and C6 pairs of capacitor
It is sent in remote control terminal after signal filtering through signal projector E1.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned, In
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of coded communication monitoring system, including frequency collection circuit, feedback comparison circuit and clipping transmit circuit, feature
Be: the frequency collection circuit acquires the signal of input terminal in analog signal transmission channel in coded communication monitoring system, this
Analog signal transmission channel is the channel that coded communication monitoring system controlling terminal receives modulated analog signal, described anti-
It presents comparison circuit and forms constant-current source circuit pressure stabilizing with triode Q1, triode Q2 and voltage-stabiliser tube D3, input the same phase of transport and placing device AR1
In input terminal, while abnormal signal is screened with triode Q3 and silicon-controlled VTL1 composition detection circuit, inputs transport and placing device all the way
In AR1 inverting input terminal, two tunnels feed back to triode Q1 emitter, and last clipping transmit circuit uses diode D6, diode
D7 forms limit circuit to signal limiter, while sending to after signal filtering through signal projector E1 with inductance L4 and capacitor C6
To remote control terminal；
The feedback comparison circuit includes triode Q1, one end of the emitter connecting resistance R4 of triode Q1, the base of triode Q1
Pole connects the collector of triode Q2 and the cathode of diode D2, the base stage and capacitor C3 of the collector connecting transistor Q2 of triode Q1
One end and voltage-stabiliser tube D3 cathode, one end of the positive connecting resistance R3 of diode D2, another terminating resistor R4 of resistance R3,
The other end of capacitor C3 and the cathode of diode D4, the emitter of triode Q2 connect the base of the anode of voltage-stabiliser tube D3, triode Q3
The non-inverting input terminal of pole and one end of resistance R7, transport and placing device AR1, the collector of triode Q3 connect power supply+5V, the hair of triode Q3
Emitter-base bandgap grading connects one end of the anode of silicon-controlled VTL1 and the cathode of voltage-stabiliser tube D5, resistance R6, and the cathode of silicon-controlled VTL1 connects diode
The anode of D4, the control electrode of silicon-controlled VTL1 meet the anode of voltage-stabiliser tube D5 and one end of resistance R5, capacitor C4, resistance R5, capacitor
The other end of C4 is grounded, the other end of the output terminating resistor R7 of transport and placing device AR1.
2. a kind of coded communication monitoring system according to claim 1, it is characterised in that: the clipping transmit circuit includes
Diode D7, the cathode of diode D7 connect the anode of diode D6 and the output end of transport and placing device AR1, and the anode of diode D7 connects two
The cathode of pole pipe D6 and one end of inductance L4, one end of another terminating resistor R8 of inductance L4, capacitor C6, the other end of resistance R8
Connect signal projector E1, the other end ground connection of capacitor C6.
3. a kind of coded communication monitoring system according to claim 2, it is characterised in that: the frequency collection circuit includes
One end of the power supply termination capacitor C1 of the frequency collection device J1 of model SJ-ADC, frequency collection device J1 and power supply+5V, frequency are adopted
The ground terminal of storage J1 is grounded, the other end of the output termination capacitor C1 of frequency collection device J1 and one end, the voltage-stabiliser tube of resistance R1
The cathode of D1, the plus earth of voltage-stabiliser tube D1, one end of another termination capacitor C2 of resistance R1 and one end of resistance R2, capacitor C2
The other end ground connection, the cathode of another terminating diode D4 of resistance R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105165.XU CN209710101U (en) | 2019-07-15 | 2019-07-15 | A kind of coded communication monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105165.XU CN209710101U (en) | 2019-07-15 | 2019-07-15 | A kind of coded communication monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710101U true CN209710101U (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921105165.XU Expired - Fee Related CN209710101U (en) | 2019-07-15 | 2019-07-15 | A kind of coded communication monitoring system |
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| Country | Link |
|---|---|
| CN (1) | CN209710101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653077A (en) * | 2020-05-28 | 2020-09-11 | 苏龙嘎 | Building construction information monitoring system based on Internet of things |
-
2019
- 2019-07-15 CN CN201921105165.XU patent/CN209710101U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653077A (en) * | 2020-05-28 | 2020-09-11 | 苏龙嘎 | Building construction information monitoring system based on Internet of things |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191129 Termination date: 20200715 |