CN110233633A - A kind of data transfer of computer system based on Internet of Things - Google Patents
A kind of data transfer of computer system based on Internet of Things Download PDFInfo
- Publication number
- CN110233633A CN110233633A CN201910524948.XA CN201910524948A CN110233633A CN 110233633 A CN110233633 A CN 110233633A CN 201910524948 A CN201910524948 A CN 201910524948A CN 110233633 A CN110233633 A CN 110233633A
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- circuit
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- frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
Abstract
The data transfer of computer system based on Internet of Things that the invention discloses a kind of, including frequency collection circuit, feedback calibration circuit, filter transmit circuit, the signal frequency of the frequency collection circuit acquisition analog signal transmission channel input terminal, the feedback calibration circuit uses transport and placing device AR1 amplified signal, the signal of single-frequency is filtered out with capacitor C3- capacitor C5 and resistance R4- resistance R6 composition frequency selection circuit simultaneously, and use triode Q3 and capacitor C6, capacitor C7, after capacitor C10 composition FM circuit adjustment signal frequency in input filter transmit circuit, wherein comparator AR2 compares both frequency selection circuit and FM circuit output signal and feeds back triode Q1 the most, the trigger signal of triode Q2, finally filtering transmit circuit uses inductance L2 and capacitor C8, capacitor C9 composition filter Wave circuit filters signal, for the error correction signal of the data transfer of computer system controlling terminal based on Internet of Things.
Description
Technical field
The present invention relates to field of circuit technology, more particularly to a kind of data transfer of computer system based on Internet of Things.
Background technique
Currently, with the continuous development of science and technology, the data transfer of computer system based on Internet of Things is mainly by master computer
(host) or data terminal equipment (DTE-data terminial equipment), data circuit termination equipment and simulation pass
Defeated channel composition, and data transfer of computer system decides the performance of Internet of Things development, however analogue transmission channel is for base
The channel of collection of simulant signal module output signal is received in the computer controlling terminal of Internet of Things, signal is in transmission process
Due to the interference of homogenous frequency signal or strong magnetic, it will usually make signal that frequency hopping occur, lead to the computer controlling terminal based on Internet of Things
The signal errors received is larger, to do the analysis to make mistake, it is therefore desirable to real to the signal in analog signal transmission channel
When monitor.
Summary of the invention
For above situation, for the defect for overcoming the prior art, purpose of the present invention is to provide one kind to be based on Internet of Things
Data transfer of computer system, have be skillfully constructed, the characteristic of human oriented design, can be defeated to analog signal transmission channel
The signal frequency real-time monitoring for entering end is converted to the data transfer of computer system control based on Internet of Things after calibrating automatically to signal
The error correction signal of terminal processed.
Its technical solution solved is a kind of data transfer of computer system based on Internet of Things, including frequency collection electricity
Road, feedback calibration circuit, filtering transmit circuit, the signal of the frequency collection circuit acquisition analog signal transmission channel input terminal
Frequency, this analog signal transmission channel are that the computer controlling terminal based on Internet of Things receives collection of simulant signal module output letter
Number channel, the feedback calibration circuit use transport and placing device AR1 amplified signal, while use capacitor C3- capacitor C5 and resistance
R4- resistance R6 composition frequency selection circuit filters out the signal of single-frequency, and uses triode Q3 and capacitor C6, capacitor C7, electricity
Hold after C10 composition FM circuit adjustment signal frequency in input filter transmit circuit, wherein comparator AR2 compare frequency selection circuit and
Both FM circuits output signal is to feed back the trigger signal of triode Q1, triode Q2, and triode Q2 feeds back high level signal
To transport and placing device AR1 inverting input terminal, triode Q1 is fed back in low level signal to frequency selection circuit, is realized to feedback calibration circuit
The calibration function of output signal finally filters transmit circuit with inductance L2 and capacitor C8, capacitor C9 composition filter circuit to letter
Number filtering, be sent in the data transfer of computer system controlling terminal based on Internet of Things through signal projector E1；
The feedback calibration circuit includes transport and placing device AR1, one end of the homophase input terminating resistor R3 of transport and placing device AR1, transport and placing device
One end of the anti-phase input terminating resistor R2 of AR1 and one end of resistance R15, the other end ground connection of resistance R2, transport and placing device AR1's is defeated
The base stage of the other end of terminating resistor R3 and resistance R6, the collector of one end of capacitor C3 and triode Q3, triode Q1 out,
The collector of another termination triode Q1 of resistance R6 and one end of resistance R4, capacitor C4, another terminating resistor R5 of capacitor C3,
One end of capacitor C5, the other end ground connection of resistance R5, capacitor C4, the other end and capacitor of another termination capacitor C5 of resistance R4
C6, the base stage of one end of inductance L4 and triode Q3, the non-inverting input terminal of comparator AR2, the emitter of triode Q3 connect electricity
Hinder R10, one end of capacitor C7 and the other end of capacitor C6, the other end of another termination capacitor C7 of resistance R10 and capacitor C10's
One end, comparator AR2 inverting input terminal, the other end of another termination capacitor C10 of inductance L4, the output end of comparator AR2
The base stage of triode Q2 is connect, the collector of triode Q2 connects power supply+5V, the other end of the emitter connecting resistance R15 of triode Q2
With the anode of the cathode of diode D2, diode D3, the anode of diode D2 connects the cathode of diode D3 and the hair of triode Q1
Emitter-base bandgap grading.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1. filtering out the signal of single-frequency, single frequency with capacitor C3- capacitor C5 and resistance R4- resistance R6 composition frequency selection circuit
The signal of rate is relatively stable, the stability of signal frequency can be improved, while realizing the effect for filtering out abnormal signal frequency, and
With input filter transmit circuit after triode Q3 and capacitor C6, capacitor C7, capacitor C10 composition FM circuit adjustment signal frequency
Interior, capacitor C6, capacitor C7 are decoupling capacitor, filter out high-frequency signal noise, and capacitor C10 is shunt capacitance, filter out low frequency signal and make an uproar
Sound realizes fm role；
2. comparing frequency selection circuit and FM circuit two with comparator AR2 in order to further ensure the precision for the signal that calibrates for error
Person's output signal is to feed back the trigger signal of triode Q1, triode Q2, first compares frequency selection circuit and frequency modulation with comparator AR2
Both circuits output signal, using the potential difference of the two as the standard of detection feedback calibration circuit output signal exception, simultaneously
Can trigger triode Q2, triode Q1 conducting, relatively directly detection FM circuit output signal accuracy is higher, then with three
Pole pipe Q2 is fed back in high level signal to transport and placing device AR1 inverting input terminal, and triode Q1 feeds back low level signal to frequency selection circuit
It is interior, it realizes to the calibration function of feedback calibration circuit output signal, ensure that the data transfer of computer system based on Internet of Things
The error correction signal accuracy of controlling terminal；
2. being filtered with inductance L2 and capacitor C8, capacitor C9 composition filter circuit to signal, signal noise is filtered out, is emitted through signal
Device E1 is sent in the data transfer of computer system controlling terminal based on Internet of Things, that is to say as the computer based on Internet of Things
The error correction signal of data transmission system controlling terminal improves the accurate of the data transfer of computer system based on Internet of Things
Property.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of the data transfer of computer system based on Internet of Things of the present invention.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to attached drawing 1 to embodiment
Detailed description in, can clearly present.The structure content being previously mentioned in following embodiment is with Figure of description for ginseng
It examines.
Embodiment one, a kind of data transfer of computer system based on Internet of Things, including frequency collection circuit, feedback calibration
Circuit, filtering transmit circuit, the signal frequency of the frequency collection circuit acquisition analog signal transmission channel input terminal, this simulation
Signal transmission passage is the channel that the computer controlling terminal based on Internet of Things receives collection of simulant signal module output signal,
The feedback calibration circuit uses transport and placing device AR1 amplified signal, while using capacitor C3- capacitor C5 and resistance R4- resistance R6 group
The signal of single-frequency is filtered out at frequency selection circuit, and is adjusted with triode Q3 and capacitor C6, capacitor C7, capacitor C10 composition
After frequency circuit adjustment signal frequency in input filter transmit circuit, wherein comparator AR2 compares frequency selection circuit and FM circuit two
Person's output signal feeds back the trigger signal of triode Q1, triode Q2 the most, and triode Q2 feeds back high level signal to transport and placing device
In AR1 inverting input terminal, triode Q1 is fed back in low level signal to frequency selection circuit, is realized to feedback calibration circuit output signal
Calibration function, finally filter transmit circuit with inductance L2 and capacitor C8, capacitor C9 composition filter circuit to signal filter, warp
Signal projector E1 is sent in the data transfer of computer system controlling terminal based on Internet of Things；
The feedback calibration circuit uses transport and placing device AR1 amplified signal, amplifies to signal power, thermal compensation signal conduction loss, together
Luck filters out the signal of single-frequency with capacitor C3- capacitor C5 and resistance R4- resistance R6 composition frequency selection circuit, single-frequency
Signal is relatively stable, the stability of signal frequency can be improved, while realizing the effect for filtering out abnormal signal frequency, and use
After triode Q3 and capacitor C6, capacitor C7, capacitor C10 composition FM circuit adjustment signal frequency in input filter transmit circuit,
Capacitor C6, capacitor C7 are decoupling capacitor, filter out high-frequency signal noise, and capacitor C10 is shunt capacitance, filter out low frequency signal noise,
Realize fm role, triode Q3 is amplifying triode, in order to further ensure the precision for the signal that calibrates for error, with comparator
It is to feed back the trigger signal of triode Q1, triode Q2 that AR2, which compares both frequency selection circuit and FM circuit output signal, is first used
Comparator AR2 compares both frequency selection circuit and FM circuit output signal, using the potential difference of the two as detection feedback calibration
The standard of circuit output signal exception, at the same can trigger triode Q2, triode Q1 conducting, compared with directly detect FM circuit it is defeated
Signal accuracy is higher out, then feeds back in high level signal to transport and placing device AR1 inverting input terminal with triode Q2, triode
Q1 is fed back in low level signal to frequency selection circuit, is realized to the calibration function of feedback calibration circuit output signal, be ensure that and be based on
The error correction signal accuracy of the data transfer of computer system controlling terminal of Internet of Things,
The feedback calibration circuit specific structure, one end of the homophase input terminating resistor R3 of transport and placing device AR1, transport and placing device AR1's
One end of anti-phase input terminating resistor R2 and one end of resistance R15, the other end ground connection of resistance R2, the output end of transport and placing device AR1
The other end of connecting resistance R3 and the base stage of resistance R6, the collector of one end of capacitor C3 and triode Q3, triode Q1, resistance
The collector of another termination triode Q1 of R6 and one end of resistance R4, capacitor C4, another terminating resistor R5, the capacitor of capacitor C3
One end of C5, the other end ground connection of resistance R5, capacitor C4, the other end and capacitor C6, electricity of another termination capacitor C5 of resistance R4
One end of sense L4 and base stage, the non-inverting input terminal of comparator AR2 of triode Q3, the emitter connecting resistance R10 of triode Q3,
One end of one end of capacitor C7 and the other end of capacitor C6, the other end of another termination capacitor C7 of resistance R10 and capacitor C10,
The output of the inverting input terminal of comparator AR2, the other end of another termination capacitor C10 of inductance L4, comparator AR2 terminates three poles
The base stage of pipe Q2, the collector of triode Q2 connect power supply+5V, the other end of the emitter connecting resistance R15 of triode Q2 and two poles
The anode of the cathode of pipe D2, diode D3, the anode of diode D2 connect the cathode of diode D3 and the emitter of triode Q1.
Embodiment two, on the basis of example 1, the filtering transmitting are formed with inductance L2 and capacitor C8, capacitor C9
Filter circuit filters signal, filters out signal noise, is sent to the computer data based on Internet of Things through signal projector E1 and passes
In defeated system controlling terminal, the error correction letter for the data transfer of computer system controlling terminal based on Internet of Things that is to say
Number, a terminating resistor R13, one end of capacitor C8 and the inverting input terminal of comparator AR2 of inductance L2, another termination of inductance L2
One end of resistance R14, capacitor C9, the other end ground connection of resistance R13, capacitor C8 and capacitor C9, another termination signal of resistance R14
Transmitter E1.
Embodiment three, on the basis of example 1, the frequency collection circuit select the frequency of model SJ-ADC to adopt
Storage J1 acquires the signal frequency of analog signal transmission channel input terminal, while forming with inductance L2 and capacitor C1, capacitor C2
π type filter circuit filtering, the power supply termination power+5V of frequency collection device J1, frequency collection device J1 ground terminal ground connection, frequency
The cathode of collector J1 output termination voltage-stabiliser tube D1 and one end of resistance R1, the plus earth of voltage-stabiliser tube D1, resistance R1's is another
One end of termination capacitor C1 and one end of inductance L1, the other end ground connection of capacitor C1, the one of another termination capacitor C2 of inductance L1
The non-inverting input terminal at end and transport and placing device AR1, the other end ground connection of capacitor C2.
When the present invention is specifically used, a kind of data transfer of computer system based on Internet of Things, including frequency collection circuit,
Feedback calibration circuit, filtering transmit circuit, the signal frequency of the frequency collection circuit acquisition analog signal transmission channel input terminal
Rate, this analog signal transmission channel are that the computer controlling terminal based on Internet of Things receives collection of simulant signal module output signal
Channel, the feedback calibration circuit use transport and placing device AR1 amplified signal, amplify to signal power, thermal compensation signal conducting damage
Consumption, while the signal that frequency selection circuit filters out single-frequency is formed with capacitor C3- capacitor C5 and resistance R4- resistance R6, it is single
The signal of frequency is relatively stable, the stability of signal frequency can be improved, while realizing the effect for filtering out abnormal signal frequency, and
And with input filter transmitting electricity after triode Q3 and capacitor C6, capacitor C7, capacitor C10 composition FM circuit adjustment signal frequency
In road, capacitor C6, capacitor C7 are decoupling capacitor, filter out high-frequency signal noise, and capacitor C10 is shunt capacitance, filter out low frequency signal
Noise is realized that fm role, triode Q3 are amplifying triode, in order to further ensure the precision for the signal that calibrates for error, is used
It is to feed back the trigger signal of triode Q1, triode Q2 that comparator AR2, which compares both frequency selection circuit and FM circuit output signal,
First compare both frequency selection circuit and FM circuit output signal with comparator AR2, it is anti-using the potential difference of the two as detection
Feedback calibration circuit output signal exception standard, while can trigger triode Q2, triode Q1 conducting, relatively directly detection frequency modulation
Circuit output signal accuracy is higher, then feeds back in high level signal to transport and placing device AR1 inverting input terminal with triode Q2,
Triode Q1 is fed back in low level signal to frequency selection circuit, realizes the calibration function to feedback calibration circuit output signal, is guaranteed
The error correction signal accuracy of data transfer of computer system controlling terminal based on Internet of Things, finally filtering transmitting electricity
Road transport inductance L2 and capacitor C8, capacitor C9 form filter circuit and filter to signal, are sent to through signal projector E1 based on object
In the data transfer of computer system controlling terminal of networking.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (3)
1. a kind of data transfer of computer system based on Internet of Things, including frequency collection circuit, feedback calibration circuit, filtering hair
Transmit-receive radio road, which is characterized in that the signal frequency of the frequency collection circuit acquisition analog signal transmission channel input terminal, this simulation
Signal transmission passage is the channel that the computer controlling terminal based on Internet of Things receives collection of simulant signal module output signal,
The feedback calibration circuit uses transport and placing device AR1 amplified signal, while using capacitor C3- capacitor C5 and resistance R4- resistance R6 group
The signal of single-frequency is filtered out at frequency selection circuit, and is adjusted with triode Q3 and capacitor C6, capacitor C7, capacitor C10 composition
After frequency circuit adjustment signal frequency in input filter transmit circuit, wherein comparator AR2 compares frequency selection circuit and FM circuit two
Person's output signal is to feed back the trigger signal of triode Q1, triode Q2, and triode Q2 feeds back high level signal to transport and placing device AR1
In inverting input terminal, triode Q1 is fed back in low level signal to frequency selection circuit, is realized to feedback calibration circuit output signal
Calibration function finally filters transmit circuit and filters with inductance L2 and capacitor C8, capacitor C9 composition filter circuit to signal, through believing
Number transmitter E1 is sent in the data transfer of computer system controlling terminal based on Internet of Things；
The feedback calibration circuit includes transport and placing device AR1, one end of the homophase input terminating resistor R3 of transport and placing device AR1, transport and placing device
One end of the anti-phase input terminating resistor R2 of AR1 and one end of resistance R15, the other end ground connection of resistance R2, transport and placing device AR1's is defeated
The base stage of the other end of terminating resistor R3 and resistance R6, the collector of one end of capacitor C3 and triode Q3, triode Q1 out,
The collector of another termination triode Q1 of resistance R6 and one end of resistance R4, capacitor C4, another terminating resistor R5 of capacitor C3,
One end of capacitor C5, the other end ground connection of resistance R5, capacitor C4, the other end and capacitor of another termination capacitor C5 of resistance R4
C6, the base stage of one end of inductance L4 and triode Q3, the non-inverting input terminal of comparator AR2, the emitter of triode Q3 connect electricity
Hinder R10, one end of capacitor C7 and the other end of capacitor C6, the other end of another termination capacitor C7 of resistance R10 and capacitor C10's
One end, comparator AR2 inverting input terminal, the other end of another termination capacitor C10 of inductance L4, the output end of comparator AR2
The base stage of triode Q2 is connect, the collector of triode Q2 connects power supply+5V, the other end of the emitter connecting resistance R15 of triode Q2
With the anode of the cathode of diode D2, diode D3, the anode of diode D2 connects the cathode of diode D3 and the hair of triode Q1
Emitter-base bandgap grading.
2. a kind of data transfer of computer system based on Internet of Things as described in claim 1, which is characterized in that the filtering hair
It penetrates including inductance L2, a terminating resistor R13, one end of capacitor C8 and the inverting input terminal of comparator AR2 of inductance L2, inductance L2
Another terminating resistor R14, capacitor C9 one end, resistance R13, capacitor C8 and capacitor C9 the other end ground connection, resistance R14's is another
One termination signal projector E1.
3. a kind of data transfer of computer system based on Internet of Things as described in claim 1, which is characterized in that the frequency is adopted
Collector includes the frequency collection device J1 of model SJ-ADC, the power supply termination power+5V of frequency collection device J1, frequency collection device
The ground terminal of J1 is grounded, and the cathode of frequency collection device J1 output termination voltage-stabiliser tube D1 and one end of resistance R1, voltage-stabiliser tube D1 is just
Pole ground connection, one end of another termination capacitor C1 of resistance R1 and one end of inductance L1, the other end ground connection of capacitor C1, inductance L1's
One end of another termination capacitor C2 and the non-inverting input terminal of transport and placing device AR1, the other end ground connection of capacitor C2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910524948.XA CN110233633B (en) | 2019-06-18 | 2019-06-18 | Computer data transmission system based on Internet of things |
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| CN201910524948.XA CN110233633B (en) | 2019-06-18 | 2019-06-18 | Computer data transmission system based on Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111162892A (en) * | 2020-02-25 | 2020-05-15 | 郑州铁路职业技术学院 | Multichannel communication synchronous transmission system |
| CN111245456A (en) * | 2020-03-01 | 2020-06-05 | 徐晨旭 | Service management system based on big data |
| CN111294303A (en) * | 2020-03-16 | 2020-06-16 | 无锡原旭机电科技有限公司 | Bridge safety management system based on Internet of things |
| CN111404785A (en) * | 2020-05-13 | 2020-07-10 | 袁野 | 5G mobile network detection system based on cloud computing |
| CN111431546A (en) * | 2020-05-20 | 2020-07-17 | 河南华兴通信技术有限公司 | Digital microwave signal anti-distortion circuit |
| CN111487907A (en) * | 2020-04-24 | 2020-08-04 | 刘莹雪 | Building construction monitored control system based on 5G communication |
| CN111510501A (en) * | 2020-04-24 | 2020-08-07 | 国网河南省电力公司信息通信公司 | Frequency-adjustable Internet of things terminal |
| CN111585541A (en) * | 2020-06-03 | 2020-08-25 | 刘莹雪 | Building construction remote monitoring system based on thing networking |
| CN111817737A (en) * | 2020-07-30 | 2020-10-23 | 黄河水利职业技术学院 | Signal frequency control circuit of radio communication system |
| CN113242095A (en) * | 2021-06-29 | 2021-08-10 | 岁兰 | Computer electronic communication system |
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| US20060273853A1 (en) * | 2005-06-03 | 2006-12-07 | Ntt Docomo, Inc. | Feed forward amplifier for multiple frequency bands |
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| CN111162892B (en) * | 2020-02-25 | 2020-09-15 | 郑州铁路职业技术学院 | Multichannel communication synchronous transmission system |
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| CN111245456A (en) * | 2020-03-01 | 2020-06-05 | 徐晨旭 | Service management system based on big data |
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| CN111510501A (en) * | 2020-04-24 | 2020-08-07 | 国网河南省电力公司信息通信公司 | Frequency-adjustable Internet of things terminal |
| CN111404785A (en) * | 2020-05-13 | 2020-07-10 | 袁野 | 5G mobile network detection system based on cloud computing |
| CN111431546A (en) * | 2020-05-20 | 2020-07-17 | 河南华兴通信技术有限公司 | Digital microwave signal anti-distortion circuit |
| CN111585541A (en) * | 2020-06-03 | 2020-08-25 | 刘莹雪 | Building construction remote monitoring system based on thing networking |
| CN111817737A (en) * | 2020-07-30 | 2020-10-23 | 黄河水利职业技术学院 | Signal frequency control circuit of radio communication system |
| CN111817737B (en) * | 2020-07-30 | 2021-10-01 | 黄河水利职业技术学院 | Signal frequency control circuit of radio communication system |
| CN113242095A (en) * | 2021-06-29 | 2021-08-10 | 岁兰 | Computer electronic communication system |
| CN113242095B (en) * | 2021-06-29 | 2022-05-06 | 京鼎工程建设有限公司 | Computer electronic communication system |
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| CN110233633B (en) | 2020-02-28 |
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