CN109743057B - Thing networking data transmission correction equipment - Google Patents
Thing networking data transmission correction equipment Download PDFInfo
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- CN109743057B CN109743057B CN201910022415.1A CN201910022415A CN109743057B CN 109743057 B CN109743057 B CN 109743057B CN 201910022415 A CN201910022415 A CN 201910022415A CN 109743057 B CN109743057 B CN 109743057B
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Abstract
The invention discloses data transmission correction equipment for the Internet of things, which comprises a frequency acquisition circuit, a frequency division feedback circuit and an operational amplifier output circuit, wherein the frequency acquisition circuit acquires the data signal frequency of the Internet of things during working, the frequency division feedback circuit uses an inductor L1 and capacitors C4-C6 to form a frequency division circuit to divide the frequency of the signal, one path of the divided signal uses a switching circuit formed by a triode Q2 and a triode Q3 to detect abnormal signals, the other path uses a power supply +10V and a variable resistor RW2 to compensate the signal, the two paths of signals are input into an operational amplifier AR1 together, simultaneously, the operational amplifier AR3 and the triode Q5 feed back an output signal of an operational amplifier AR1 to a base electrode of the triode Q3 to adjust a signal conduction value of the switching circuit formed by the triode Q2 and the triode Q3, the operational amplifier output circuit amplifies the output signal of the operational amplifier AR1 in phase and then outputs the amplified signal, and can convert the data signal frequency of the Internet of, and the signal is automatically calibrated.
Description
Technical Field
The invention relates to the technical field of signal calibration, in particular to data transmission correction equipment for the Internet of things.
Background
The internet of things refers to the fusion of an information space and a physical space, namely the fusion of virtual and reality, digitalizes and networks all objects and events, realizes information interaction between people and people, between people and objects and between objects, and realizes automatic identification, monitoring and positioning and remote management of objects. The thing networking is with current internet and various proprietary networks as the basis, the transmission is through all kinds of data that the perception layer gathered, realize the real-time transmission of data and guarantee data security, simultaneously in order to make thing networking data transmission more accurate, need thing networking data transmission correction equipment, however in practice, when thing networking data transmission correction equipment used, often can the decay of signal transmission in-process appear, and when the signal was through strong magnetic field in the transmission, the unusual situation of signal more can appear, lead to thing networking data transmission correction equipment not good effect.
The present invention provides a new solution to this problem.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention aims to provide an internet of things data transmission correction device, which has the characteristics of ingenious conception and humanized design, can convert the frequency of an internet of things data signal into a compensation signal of the data signal of the internet of things data device, and can automatically calibrate the signal.
The technical scheme includes that the data transmission correction equipment for the Internet of things comprises a frequency acquisition circuit, a frequency division feedback circuit and an operational amplifier output circuit, wherein the frequency acquisition circuit acquires the frequency of data signals when the Internet of things equipment works, a composite circuit consisting of a triode Q1, a voltage regulator tube D2, a capacitor C3 and a resistor R3 is used for filtering abnormal high-level signals, the frequency division feedback circuit uses a frequency division circuit consisting of an inductor L1, a capacitor C4-a capacitor C6 for dividing the frequency of the signals, one path of the divided signals uses a switching circuit consisting of a triode Q2 and a triode Q3 for detecting abnormal signals, the other path uses a power supply +10V and a variable resistor RW2 for compensating the signals, the two paths of signals are input into an operational amplifier AR1, the operational amplifier AR3 and the triode Q5 feed back the operational amplifier AR1 to the base of the triode Q3, and the signal conduction value of the switching circuit consisting of the triode Q3978 and the operational amplifier is adjusted, the operational amplifier output circuit amplifies the output signal of the operational amplifier AR1 in phase and then outputs the amplified signal, namely a compensation signal of a data signal when the Internet of things equipment works;
the frequency division feedback circuit comprises an inductor L, one end of the inductor L is connected with one end of a resistor R, one end of a capacitor C and one end of a resistor R, the other end of the inductor L is connected with one end of the resistor R, one end of the capacitor C and one end of the inductor L, the other end of the capacitor C is connected with one end of the resistor R and the anode of a diode D, the other ends of the capacitor C and the resistor R are grounded, the cathode of the diode D is connected with the base of a triode Q, the collector of the triode Q is connected with the other end of the resistor R, the emitter of the triode Q is connected with the emitter of the triode Q, the base of the triode Q and the non-inverting input end of an operational amplifier AR and one end of the resistor R, the base of the triode Q is connected with the cathode of a voltage regulator tube D, and the anode of the voltage regulator tube D is grounded, the inverting input terminal of the operational amplifier AR1 is connected to one end of the resistor R11, the other end of the resistor R11 is grounded, the collector of the transistor Q5 is connected to the output terminal of the operational amplifier AR1, the emitter of the transistor Q5 is connected to the non-inverting input terminal of the operational amplifier AR3, the inverting input terminal of the operational amplifier AR3 is connected to one end of the resistor R3, the other end of the resistor R3 is connected to one end of the resistor R3 and the output terminal of the operational amplifier AR3, the other end of the resistor R3 is grounded, the other end of the resistor R3 is connected to ground, the other end of the capacitor C3 is connected to one end of the capacitor C3, the resistor R3 and one end of the inductor L3, the other end of the capacitor C3 is connected to the other end of the resistor R3, the other end of the inductor L3 is connected to ground, the contact 2 of the variable resistor RW 3, the contact 1 of the variable resistor RW 3 is connected to the cathode of the diode D3, the anode of the diode D3 is connected to one end of the resistor R3, the cathode of diode D5 and contact 3 of variable resistor RW2 are connected to ground.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. an inductor L1 and a capacitor C4-a capacitor C6 are used for forming a frequency division circuit to divide the frequency of a signal, the inductor L1 filters high-frequency signal noise waves, the capacitor C5 is a bypass capacitor and filters high-frequency signals in the signal, the base of a triode Q2 is stabilized to be low-frequency signals, the capacitor C4 is a decoupling capacitor and filters low-frequency signals in the signal, and the signal at the capacitor C7 is stabilized to be a high-frequency signal, so that the frequency division is realized;
2. the switching circuit composed of a triode Q2 and a triode Q3 is used for detecting abnormal signals, when the signals contain abnormal signals, the signal potential is low-level signals, at the moment, the triode Q2 and the triode Q3 are not conducted, the effect of isolating the abnormal signals is achieved, when the signals are normal signals, the signal potential is high-level signals, at the moment, the triode Q2 and the triode Q3 are conducted, the triode Q4 and the voltage stabilizing tube D7 are voltage stabilizing circuits, the in-phase input end potential of the operational amplifier AR1 is stabilized, signals are compensated by two circuits of a power supply +10V and a variable resistor RW2, a base potential is provided for the in-phase input end of the operational amplifier AR1, and the conduction loss of the signals is compensated;
3. when the output signal potential of the operational amplifier AR1 is too high, the triode Q5 is conducted, the base potential of the triode Q3 is improved, the effect of reducing the signal conduction value of a switching circuit formed by the triode Q2 and the triode Q3 is achieved, automatic calibration of signals is achieved, meanwhile, the operational amplifier AR2 is used for amplifying signals in phase, meanwhile, the capacitor C9 and the resistor R17 are used for forming an RC filter circuit for filtering, the voltage stabilizing tube D8 outputs the signals after stabilizing the voltage, namely, the signals are input as compensation signals of data signals when the Internet of things equipment works, and signal attenuation is prevented.
Drawings
Fig. 1 is a block diagram of data transmission correction equipment for the internet of things according to the present invention.
Fig. 2 is a schematic diagram of the data transmission correction device of the internet of things.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
In the first embodiment, the data transmission correction device for the internet of things comprises a frequency acquisition circuit, a frequency division feedback circuit and an operational amplifier output circuit, wherein the frequency acquisition circuit acquires the frequency of a data signal when the internet of things device works, a composite circuit consisting of a triode Q1, a voltage regulator tube D2, a capacitor C3 and a resistor R3 is used for filtering an abnormal high-level signal, the frequency division feedback circuit uses a frequency division circuit consisting of an inductor L1 and capacitors C4-C6 for dividing the frequency of the signal, one path of the divided signal uses a switching circuit consisting of a triode Q2 and a triode Q3 for detecting the abnormal signal, two paths of the divided signal use a power supply +10V and a variable resistor RW2 for compensating the signal, finally the two paths of the signal are input into an operational amplifier AR1 together, the operational amplifier AR3 and the triode Q5 feed back the operational amplifier AR1 to the base of the triode Q3, the signal conduction value of the switching circuit consisting of the triode Q, the operational amplifier output circuit amplifies the output signal of the operational amplifier AR1 in phase and then outputs the amplified signal, namely a compensation signal of a data signal when the Internet of things equipment works;
the frequency division feedback circuit utilizes an inductor L1 and capacitors C4-C6 to form a frequency division circuit to divide the frequency of a signal, the inductor L1 filters high-frequency signal noise, the capacitor C5 is a bypass capacitor to filter a high-frequency signal in the signal, the base of a triode Q2 is stabilized into a low-frequency signal, the capacitor C4 is a decoupling capacitor to filter a low-frequency signal in the signal, and the signal at the capacitor C7 is stabilized into a high-frequency signal, so that the frequency division effect is realized, wherein the capacitor C6 is a filter capacitor, the resistor R7 is a divider resistor, one path of the divided signal utilizes a switching circuit formed by a triode Q2 and a triode Q3 to detect an abnormal signal, when the signal contains the abnormal signal, the signal potential is a low-level signal, at the moment, the triode Q2 and the triode Q3 are not conducted, so that the effect of isolating the abnormal signal is achieved, when the signal is a normal signal, the signal potential is a high-level signal, at, the triode Q4 and the voltage stabilizing tube D7 are voltage stabilizing circuits, the in-phase input end potential of the operational amplifier AR1 is stabilized, two circuits of signals compensate signals by using a power supply +10V and a variable resistor RW2, the base potential is provided for the in-phase input end of the operational amplifier AR1, the conduction loss of the signals is compensated, the two circuits of signals are input into the operational amplifier AR1 together, the operational amplifier AR1 has the effect of an addition circuit, the operational amplifier AR3 and the triode Q5 feed back an output signal of the operational amplifier AR1 to the base electrode of the triode Q3, the conduction value of a switch circuit signal formed by the triode Q2 and the triode Q3 is further adjusted, the potential of the output signal of the operational amplifier AR1 is prevented from being too high, when the potential of the output signal of the operational amplifier AR1 is too high, the triode Q5 is conducted, the base potential of the triode Q3 is improved, the effect of reducing the conduction value of the switch circuit signal formed by;
the frequency division feedback circuit has a specific structure that one end of an inductor L1 is connected with one end of a resistor R1, one end of a capacitor C1 and one end of a resistor R1, the other end of the inductor L1 is connected with one end of the resistor R1, one end of the capacitor C1 and one end of the inductor L1, the other end of the capacitor C1 is connected with one end of the resistor R1, the other end of the resistor C1 is grounded, the negative electrode of the diode D1 is connected with the base of a transistor Q1, the collector of the transistor Q1 is connected with the other end of the inductor L1, the collector of the transistor Q1 is connected with the base of the transistor R1 and the collector of the transistor Q1, the emitter of the transistor Q1 is connected with the non-inverting input end of the transistor Q1, one end of the resistor R1, the base of the transistor Q1 is connected with the cathode of a voltage regulator D1, and the anode of the voltage regulator D1 is grounded, the emitter of the transistor AR1, the transistor Q1 is connected with the base of, the inverting input terminal of the operational amplifier AR1 is connected to one end of the resistor R11, the other end of the resistor R11 is grounded, the collector of the transistor Q5 is connected to the output terminal of the operational amplifier AR1, the emitter of the transistor Q5 is connected to the non-inverting input terminal of the operational amplifier AR3, the inverting input terminal of the operational amplifier AR3 is connected to one end of the resistor R3, the other end of the resistor R3 is connected to one end of the resistor R3 and the output terminal of the operational amplifier AR3, the other end of the resistor R3 is grounded, the other end of the resistor R3 is connected to ground, the other end of the capacitor C3 is connected to one end of the capacitor C3, the resistor R3 and one end of the inductor L3, the other end of the capacitor C3 is connected to the other end of the resistor R3, the other end of the inductor L3 is connected to ground, the contact 2 of the variable resistor RW 3, the contact 1 of the variable resistor RW 3 is connected to the cathode of the diode D3, the anode of the diode D3 is connected to one end of the resistor R3, the cathode of diode D5 and contact 3 of variable resistor RW2 are connected to ground.
In the second embodiment, on the basis of the first embodiment, the operational amplifier output circuit amplifies signals in phase by using an operational amplifier AR2, and meanwhile, a capacitor C9 and a resistor R17 are used to form an RC filter circuit for filtering, and a voltage regulator tube D8 stabilizes the voltage and outputs the stabilized voltage, that is, a compensation signal of a data signal when the internet of things device works is input, so that signal attenuation is prevented, the inverting input end of the operational amplifier AR2 is connected to one end of a resistor R15 and one end of a resistor R16, the other end of the resistor R15 is grounded, the other end of the resistor R16 is connected to the output end of the operational amplifier AR2, one end of the resistor R17 and one end of a capacitor C8, the other end of the capacitor C8 is grounded, the other end of the resistor R17 is connected to one end of a capacitor C9, the negative electrode of a voltage regulator tube D8 and one end of a resistor R18, the other end of the capacitor.
Third, on the basis of the first embodiment, the frequency acquisition circuit selects a frequency collector J1 with the model of SJ-ADC to acquire the frequency of the data signal when the internet-of-things device works, a transistor Q1, a voltage regulator tube D2, a capacitor C3 and a resistor R3 are used to form a composite circuit to filter an abnormally high level signal, when the signal is an abnormally high level signal, the transistor Q1 is turned on, the abnormally high level signal is filtered by an RC circuit formed by a resistor R3 and a capacitor C3 and then discharged to the ground, a power supply end of the frequency collector J1 and one end of the capacitor C1 are connected to +5V, a grounding end of the frequency collector J1 is grounded, an output end of the frequency collector J1 is connected to the other end of the voltage regulator capacitor C1 and the negative electrode of the voltage regulator tube D1, one end of the resistor R1 and the negative electrode of the voltage regulator tube D2, one end of the capacitor C2, the other end of the capacitor C2 is grounded, the, the base electrode of the triode Q1 is connected with the positive electrode of a voltage regulator tube D2, the emitting electrode of the triode Q1 is connected with the negative electrode of a voltage regulator tube D3, the positive electrode of the voltage regulator tube D3 is connected with one end of a resistor R3 and a capacitor C3, and the other ends of the resistor R3 and the capacitor C3 are grounded.
When the device is used specifically, the device for correcting data transmission of the internet of things comprises a frequency acquisition circuit, a frequency division feedback circuit and an operational amplifier output circuit, wherein the frequency acquisition circuit acquires the frequency of a data signal when the device of the internet of things works, a composite circuit consisting of a triode Q1, a voltage regulator tube D2, a capacitor C3 and a resistor R3 is used for filtering an abnormal high-level signal, the frequency division feedback circuit consists of a frequency division circuit consisting of an inductor L1, a capacitor C4-a capacitor C6 and used for dividing the frequency of the signal, the inductor L1 is used for filtering high-frequency signal noise, a capacitor C5 is used for filtering a high-frequency signal in the signal, the base electrode of the triode Q2 is stabilized to be a low-frequency signal, a capacitor C4 is a decoupling capacitor and used for filtering the low-frequency signal in the signal, the signal at the capacitor C7 is stabilized to be a high-frequency signal, the frequency division effect is realized, the capacitor C6 is a filter capacitor, The switching circuit composed of the triode Q3 detects abnormal signals, when the signals contain abnormal signals, the signal potential is low level signals, the triode Q2 and the triode Q3 are not conducted, the effect of isolating the abnormal signals is achieved, when the signals are normal signals, the signal potential is high level signals, the triode Q2 and the triode Q3 are conducted, the triode Q4 and the voltage stabilizing tube D7 are voltage stabilizing circuits, the in-phase input end potential of the operational amplifier AR1 is stabilized, two-path power supply +10V and a variable resistor RW2 are used for compensating signals, the base potential is provided for the in-phase input end of the operational amplifier AR1, the conduction loss of the signals is compensated, finally the two paths of signals are input into the operational amplifier AR1 together, the operational amplifier AR1 has the effect of an adding circuit, the operational amplifier AR3 and the triode Q5 feed back the operational amplifier AR1 to output signals to the base of the triode Q3, the signal conduction value of the switching circuit composed of the triode Q2 and the triode Q3, the output signal potential of the operational amplifier AR1 is prevented from being too high, when the output signal potential of the operational amplifier AR1 is too high, the triode Q5 is conducted, the base potential of the triode Q3 is improved, the effect of reducing the signal conduction value of a switch circuit formed by the triode Q2 and the triode Q3 is achieved, automatic signal calibration is achieved, the output signal of the operational amplifier AR1 is output after being amplified in phase by the operational amplifier output circuit, and the output signal is also a compensation signal of a data signal when the Internet of things equipment works.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (3)
1. A data transmission correction device for the Internet of things comprises a frequency acquisition circuit, a frequency division feedback circuit and an operational amplifier output circuit, and is characterized in that the frequency acquisition circuit acquires the frequency of data signals when the Internet of things device works, a composite circuit consisting of a triode Q1, a voltage regulator tube D2, a capacitor C3 and a resistor R3 is used for filtering abnormal high-level signals, the frequency division feedback circuit uses a frequency division circuit consisting of an inductor L1 and capacitors C4-C6 for frequency division of the signals, one path of the frequency-divided signals uses a switching circuit consisting of a triode Q2 and a triode Q3 for detecting abnormal signals, two paths of the frequency-divided signals use a power supply +10V and a variable resistor RW2 for compensating the signals, finally the two paths of the signals are input into an operational amplifier AR1 together, the operational amplifier AR3 and a triode Q5 feed back the operational amplifier AR1 to the base of a triode Q3, the signal conduction value of the switching circuit consisting of a triode Q36, the operational amplifier output circuit amplifies the output signal of the operational amplifier AR1 in phase and then outputs the amplified signal, namely a compensation signal of a data signal when the Internet of things equipment works;
the frequency division feedback circuit comprises an inductor L1, one end of the inductor L1 is connected with one end of a resistor R1, one end of a capacitor C1 and one end of the resistor R1, the other end of the inductor L1 is connected with the other end of the resistor R1, the capacitor C1, one end of the capacitor C1 and one end of the inductor L1, the other end of the capacitor C1 is connected with one end of the resistor R1 and the anode of a diode D1, the other ends of the capacitor C1 and the resistor R1 are grounded, the cathode of a diode D1 is connected with the base of a transistor Q1, the collector of the transistor Q1 is connected with the other end of the inductor L1 and one end of the resistor R1, the emitter of the transistor Q1 is connected with the base of the transistor Q1, the non-inverting input end of the resistor R1 and the cathode of the voltage regulator AR1 are connected with the voltage regulator D1, the anode of a voltage stabilizing tube D7 is grounded, the inverting input end of an operational amplifier AR1 is connected with one end of a resistor R11, the other end of the resistor R11 is grounded, the collector of a transistor Q5 is connected with the output end of an operational amplifier AR1, the emitter of a transistor Q5 is connected with the non-inverting input end of the operational amplifier AR 5, the inverting input end of the operational amplifier AR 5 is connected with one end of a resistor R5, the other end of the resistor R5 is connected with one end of the resistor R5 and the output end of the operational amplifier AR 5, the other end of the resistor R5 is grounded, the other end of the resistor R5 is connected with the ground, the other end of the capacitor C5 is connected with one end of a capacitor C5, a resistor R5 and one end of an inductor L5, the other end of the capacitor C5 is connected with the other end of the resistor R5, the other end of the inductor L5 is connected with a contact 2 of a variable resistor RW 5, a contact 1 of the variable resistor RW 5 is connected with the cathode of a diode D5, the anode of the diode, the other end of the resistor R5 is connected with the power supply +10V, and the cathode of the diode D5 and the contact 3 of the variable resistor RW2 are grounded.
2. The data transmission correction device for the internet of things according to claim 1, wherein the operational amplifier output circuit comprises an operational amplifier AR2, a non-inverting input terminal of the operational amplifier AR2 is connected to a collector of a triode Q5, an inverting input terminal of the operational amplifier AR2 is connected to one ends of a resistor R15 and a resistor R16, the other end of the resistor R15 is grounded, the other end of the resistor R16 is connected to an output terminal of the operational amplifier AR2 and one end of a resistor R17, and one end of a capacitor C8, the other end of the capacitor C8 is grounded, the other end of the resistor R17 is connected to one end of a capacitor C9 and a cathode of a regulator D8, and one end of a resistor R18, the other end of the capacitor C9 and an anode of a regulator D8 are grounded, and the other end of the resistor R8.
3. The data transmission correction device of the internet of things as claimed in claim 1, wherein the frequency acquisition circuit comprises a frequency collector J1 with the model number SJ-ADC, a power supply end of a frequency collector J1 and one end of a capacitor C1 are connected with a power supply of +5V, a grounding end of a frequency collector J1 is grounded, an output end of a frequency collector J1 is connected with the other end of a capacitor C1 and the cathode of a voltage regulator tube D1, one end of a resistor R1 and the cathode of a voltage regulator tube D2 and one end of a capacitor C2, the other end of a capacitor C2 is grounded, the other end of a resistor R1 is connected with the other end of a resistor R2 and the collector of a triode Q1, a base of the triode Q1 is connected with the anode of a voltage regulator tube D2, an emitter of a triode 737Q 6 is connected with the cathode of a voltage regulator tube D3, and the anode, one end of the capacitor C3, the other ends of the resistor R3 and the capacitor C3 are grounded, and the collector of the triode Q1 is connected with the input port of the frequency division feedback circuit.
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| CN110138409B (en) * | 2019-05-30 | 2020-07-14 | 金居建设发展股份有限公司 | Intelligent tower crane operation deflection calibration system |
| CN110266291B (en) * | 2019-06-26 | 2020-08-14 | 郑州工程技术学院 | Industrial control system based on Internet of things |
| CN110161348B (en) * | 2019-06-26 | 2020-03-31 | 郑州工程技术学院 | New energy automobile fault detection system |
| CN110299929B (en) * | 2019-07-31 | 2021-02-02 | 信阳职业技术学院 | Intelligent planning system for tour route |
| CN110460796B (en) * | 2019-08-30 | 2021-04-27 | 中瑞恒（北京）科技有限公司 | Industrial equipment operation monitoring signal regulating circuit |
| CN110971229B (en) * | 2019-12-26 | 2020-08-25 | 郑州科技学院 | Electronic signal calibration system |
| CN111181497B (en) * | 2020-03-30 | 2021-03-12 | 江苏省五环水务工程有限公司 | Sewage treatment monitoring system based on block chain |
| CN111366903B (en) * | 2020-04-03 | 2020-11-03 | 河南华兴通信技术有限公司 | Radar channel transmission calibration system |
| CN111740759B (en) * | 2020-06-11 | 2021-08-10 | 泰宇建筑工程技术咨询有限公司 | Building construction information transmission system based on Internet of things |
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| CN108768328B (en) * | 2018-07-10 | 2023-07-14 | 中国地质大学（武汉） | Low-frequency electronic communication system |
| CN109067370B (en) * | 2018-08-08 | 2022-03-11 | 义乌工商职业技术学院 | Electronic data signal processing circuit |
| CN108933580B (en) * | 2018-09-30 | 2023-07-28 | 广州光晨信息科技有限公司 | Network public opinion information analysis system |
| CN108900219B (en) * | 2018-09-30 | 2023-06-23 | 郑州航空工业管理学院 | Network public opinion information early warning system |
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