CN111817734A - Building construction thing networking monitored control system - Google Patents
Building construction thing networking monitored control system Download PDFInfo
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- CN111817734A CN111817734A CN202010660348.9A CN202010660348A CN111817734A CN 111817734 A CN111817734 A CN 111817734A CN 202010660348 A CN202010660348 A CN 202010660348A CN 111817734 A CN111817734 A CN 111817734A
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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
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Telephonic Communication Services (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a building construction Internet of things monitoring system, which comprises a signal sampling module and an oscillation denoising module, wherein the signal sampling module is connected with the oscillation denoising module, the oscillation denoising module utilizes a high-frequency interference filtering circuit consisting of an operational amplifier AR2, a triode Q3, an operational amplifier AR4 and an inductor L2 to filter high-frequency noise in signals, utilizes a capacitor C6 to reduce the signal-to-noise ratio, in order to further ensure the noise interference in the filtered signals, utilizes a noise detection circuit consisting of an operational amplifier AR3 and a capacitor C7 to detect emitter signals of the triode Q1, simultaneously, feedback signals of the triode Q3 are input into an inverted input end of the operational amplifier AR5 after being subjected to voltage division by a resistor R12, further fine tuning signals are sent into a building construction Internet of things monitoring system terminal through a signal transmitter E1, the building construction monitoring system terminal receives trigger signals and adjusts output signals of the Internet of things, thereby reducing the ability of the signal to transmit in a noisy environment at the worksite.
Description
Technical Field
The invention relates to the technical field of big data, in particular to a building construction Internet of things monitoring system.
Background
Present building construction control is mostly monitored by branch's worker supervision, then unified data collect and report, then a plurality of building site constructions of openning trade are gathered and are made analysis monitoring report, inefficiency, there is the deviation often in data, and do not have the real-time, and the combination of building construction and thing networking has improved a plurality of building site construction monitoring efficiency of openning greatly, it is efficient and have the ageing, however the transmission of the monitoring information of thing networking is in the noisy environment of building site, deepen signal attenuation very easily, lead to signal distortion, seriously influence the in-service effect that the building construction thing networking combines.
Disclosure of Invention
In view of the above situation, in order to overcome the defects in the prior art, the invention aims to provide a building construction internet of things monitoring system, which can sample and adjust the output signal of an internet of things signal transmitting module in the building construction internet of things monitoring system, and trigger the building construction internet of things monitoring system to adjust in time.
The technical scheme includes that the building construction Internet of things monitoring system comprises a signal sampling module and an oscillation denoising module, wherein the signal sampling module samples an output signal of an Internet of things signal transmitting module in the building construction Internet of things monitoring system by using a signal sampler J1 with the model of DAM-3056AH, the signal sampling module is connected with the oscillation denoising module, and the output signal of the oscillation denoising module is transmitted into the building construction Internet of things monitoring system through a signal transmitter E1;
the oscillation noise reduction module comprises an inductor L1, one end of an inductor L1 is connected with one end of a capacitor C3, one end of a capacitor C6 and one end of a resistor R6, the other end of the inductor L6 is grounded, the other end of the capacitor C6 is connected with one end of the capacitor C6 and a collector of a transistor Q6 in the signal sampling module, the other end of the capacitor C6 is connected with one end of the capacitor C6 and one end of the capacitor C6, the other end of the capacitor C6 is connected with one end of the resistor R6, the other end of the resistor R6 is grounded, the other end of the resistor R6 is connected with a non-inverting input end of the transistor AR 6, the non-inverting input end of the transistor R6 is connected with a non-inverting input end of the transistor R6, the emitter of the transistor Q6 is grounded, the other end of the resistor R6 is connected with one end of the emitter of the transistor Q6, the non-inverting input end of the capacitor C6 is connected with one end of the resistor R6 and the non-inverting input end of the transistor AR 6 of, the inverting input end of the operational amplifier AR3 is connected with one end of a resistor R8, one end of a resistor R10 and the emitter of a triode Q3, the other end of the resistor R8 is connected with +5V of a power supply, the other end of the resistor R9 is grounded, the other end of the resistor R10 is connected with the base of a triode Q3 and one end of a resistor R11 and one end of a capacitor C8, the other ends of a resistor R11 and a capacitor C8 are grounded, the collector of a triode Q3 is connected with one end of a resistor R12 and a resistor R13 and the inverting input end of an operational amplifier AR4, the output end of an operational amplifier AR4 is connected with the other end of an inductor L2 and the other end of a resistor R13 and the non-inverting input end of an operational amplifier AR5, the other end of a resistor R12 is connected with the anode of a diode D3, and the cathode of a diode D36.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. in order to solve the application problem of the building construction internet-of-things monitoring system in a noisy environment of a construction site and reduce signal attenuation, an internet-of-things signal transmitting module is required to be used for outputting a signal sampling trigger system terminal for adjustment, and meanwhile, in order to ensure the accuracy of the trigger signal, the influence of the noisy environment of the construction site on signal calibration is also required to be avoided, an oscillation circuit consisting of an inductor L1, a capacitor C2 and a capacitor C3 is used for enhancing the frequency of an output signal of an operational amplifier AR1, so that the stability of the signal frequency is improved, and meanwhile, in order to prevent frequency hopping caused by LC oscillation, a capacitor C5 is used for filtering a direct-current;
2. in order to prevent the sampled signals from being interfered by external high-frequency noise, the high-frequency noise in the signals needs to be filtered so as not to cause response with the external high-frequency signals, a high-frequency interference filtering circuit consisting of an operational amplifier AR2, a triode Q3, an operational amplifier AR4 and an inductor L2 is used for filtering the high-frequency noise in the signals, a capacitor C6 is used for reducing the signal-to-noise ratio, in order to further ensure the noise interference in the filtered signals, a noise detection circuit consisting of an operational amplifier AR3 and a capacitor C7 is used for detecting emitter signals of the triode Q1, meanwhile, feedback signals of the triode Q3 are divided by a resistor R12 and then input into an inverting input end of the operational amplifier AR5 for further fine tuning the signals and are sent to a building construction monitoring system terminal of the internet of things through a signal transmitter 1, the building construction monitoring system of the internet of, thereby reducing the ability of the signal to transmit in a noisy environment at the worksite.
Drawings
Fig. 1 is a module schematic diagram of a building construction internet of things monitoring system.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities 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. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
The first embodiment of the monitoring system for the Internet of things for building construction comprises a signal sampling module and an oscillation denoising module, wherein the signal sampling module samples an output signal of a signal transmitting module of the Internet of things in the monitoring system for the Internet of things for building construction by using a signal sampler J1 with the model of DAM-3056AH, the signal sampling module is connected with the oscillation denoising module, and an output signal of the oscillation denoising module is transmitted to a terminal of the monitoring system for the Internet of things for building construction through a signal transmitter E1;
in order to solve the application problem of the building construction internet of things monitoring system in a noisy environment of a construction site, reduce signal attenuation, require a building construction internet of things monitoring system terminal to adjust an output signal of an internet of things signal transmitting module, require the internet of things signal transmitting module to output a signal sampling trigger system terminal to adjust for precise adjustment, and simultaneously require signal calibration to avoid the influence of the noisy environment of the construction site in order to ensure the accuracy of a trigger signal, therefore, a signal sampler J1 with the model of DAM-3056AH is firstly used to sample the output signal of the internet of things signal transmitting module in the building construction internet of things monitoring system, then an operational amplifier AR1 and a triode Q1 are used to adjust the signal waveform, the ratio of a resistor R1, a resistor R2 and a resistor R3 is used in combination with the conduction voltage of 0.7V of the triode Q1, so that an abnormal high-level signal triggers the triode Q1 to conduct, the function of adjusting the peak waveform of the output signal of the operational amplifier AR1 is realized, wherein the capacitor C1 plays a role of a decoupling capacitor, and the signal-to-noise ratio is reduced;
the oscillation denoising module utilizes an oscillation circuit consisting of an inductor L1, a capacitor C2 and a capacitor C3 to enhance the output signal frequency of an operational amplifier AR1, thereby improving the stability of the signal frequency, simultaneously, in order to prevent frequency hopping caused by LC oscillation, a capacitor C5 is utilized to filter a direct-current high-frequency signal, a capacitor C4 plays a role of a bypass capacitor, in order to prevent a sampling signal from being interfered by external high-frequency noise, the high-frequency noise in the signal needs to be filtered so as not to cause response with the external high-frequency signal, therefore, a high-frequency interference filtering circuit consisting of an operational amplifier AR2, a triode Q3, an operational amplifier AR4 and an inductor L2 is utilized to filter the high-frequency noise in the signal, a signal noise ratio is reduced by utilizing the capacitor C6, then the operational amplifier AR2 buffers the signal, the triode Q2 filters a peak signal, and simultaneously, the inductor L2 filters the high-frequency noise in an in-phase, compensating the conduction loss of the signal, in order to further ensure that noise interference in the signal is filtered, a noise detection circuit consisting of an operational amplifier AR3 and a capacitor C7 is used for detecting the signal of the emitter of the triode Q1, meanwhile, a triode Q3 is used for further feeding back a high-level signal in the operational amplifier AR3 to the inverting input end of the operational amplifier AR4, the peak value signal of the output signal of the operational amplifier AR4 is adjusted, and finally the operational amplifier AR5 buffers the signal, meanwhile, a feedback signal of the triode Q3 is divided by a resistor R12 and then is input into the inverting input end of the operational amplifier AR5, the signal is further finely adjusted and is sent into the building construction Internet of things monitoring system terminal through a signal transmitter E1, the building construction Internet of things monitoring system terminal receives a trigger signal and adjusts an output signal of an Internet of things signal transmitting module in the building construction Internet of things monitoring system in real time, and therefore the signal transmission signal attenuation capacity of the signal in a noisy environment of a construction site is reduced;
the oscillation noise reduction module comprises an inductor L1, one end of an inductor L1 is connected with one end of a capacitor C3, one end of a capacitor C6 and one end of a resistor R6, the other end of the inductor L6 is grounded, the other end of the capacitor C6 is connected with one end of the capacitor C6 and a collector of a transistor Q6 in the signal sampling module, the other end of the capacitor C6 is connected with one end of the capacitor C6 and one end of the capacitor C6, the other end of the capacitor C6 is connected with one end of the resistor R6, the other end of the resistor R6 is grounded, the other end of the resistor R6 is connected with a non-inverting input end of the transistor AR 6, the non-inverting input end of the transistor R6 is connected with a non-inverting input end of the transistor R6, the emitter of the transistor Q6 is grounded, the other end of the resistor R6 is connected with one end of the emitter of the transistor Q6, the non-inverting input end of the capacitor C6 is connected with one end of the resistor R6 and the non-inverting input end of the transistor AR 6 of, the inverting input end of the operational amplifier AR3 is connected with one end of a resistor R8, one end of a resistor R10 and the emitter of a triode Q3, the other end of the resistor R8 is connected with +5V of a power supply, the other end of the resistor R9 is grounded, the other end of the resistor R10 is connected with the base of a triode Q3 and one end of a resistor R11 and one end of a capacitor C8, the other ends of a resistor R11 and a capacitor C8 are grounded, the collector of a triode Q3 is connected with one end of a resistor R12 and a resistor R13 and the inverting input end of an operational amplifier AR4, the output end of an operational amplifier AR4 is connected with the other end of an inductor L2 and the other end of a resistor R13 and the non-inverting input end of an operational amplifier AR5, the other end of a resistor R12 is connected with the anode of a diode D3, and the cathode of a diode D36;
the signal sampling module comprises a DAM-3056AH signal sampler J1, a power supply end of the signal sampler J1 is connected with +5V, a grounding end of the signal sampler J1 is grounded, an output end of the signal sampler J1 is connected with one end of a resistor R1 and one end of a resistor R2, the other end of a resistor R1 is connected with a non-inverting input end of a transistor AR1 and one end of a capacitor C1, an inverting input end of the transistor AR1 is connected with the other end of a resistor R2 and one end of a resistor R3, an output end of a transistor AR1 is connected with a collector of a triode Q1 and the other end of a capacitor C1, and a base of a triode Q1 is connected with the other end of a resistor.
When the system is used specifically, the signal sampling module samples the output signal of the internet of things signal transmitting module in the building construction internet of things monitoring system by using a signal sampler J1 with the model of DAM-3056AH, the signal sampling module is connected with the oscillation denoising module, the oscillation denoising module uses an oscillation circuit formed by an inductor L1, a capacitor C2 and a capacitor C3 to enhance the output signal frequency of an operational amplifier AR1 so as to improve the stability of the signal frequency, and meanwhile, in order to prevent frequency hopping caused by LC oscillation, a capacitor C5 is used for filtering a direct-current high-frequency signal, and meanwhile, the capacitor C4 plays a role of a bypass capacitor, in order to prevent the sampling signal from being interfered by external high-frequency noise, the high-frequency noise in the signal needs to be filtered so as not to cause response with the external high-frequency signal, so the operational amplifier AR2, the frequency hopping module is used, The triode Q3, the operational amplifier AR4 and the inductor L2 form a high-frequency interference filtering circuit to filter high-frequency noise in signals, a capacitor C6 is used for reducing the signal-to-noise ratio, then the operational amplifier AR2 buffers the signals, the triode Q2 filters spike signals, meanwhile, the inductor L2 filters high-frequency noise in-phase feedback signals of the operational amplifier AR4, the operational amplifier AR4 realizes the function of amplifying the signals and compensates the conduction loss of the signals, in order to further ensure the noise interference in the filtered signals, the operational amplifier AR3 and the capacitor C7 form a noise detection circuit to detect emitter signals of the triode Q1, meanwhile, the triode Q3 is used for further feeding back high-level signals in the operational amplifier AR3 to the inverting input end of the operational amplifier AR4, the peak value signals of the signals output by the operational amplifier AR4 are adjusted, finally, the operational amplifier AR5 buffers the signals, meanwhile, feedback signals of the triode Q3 are input to the inverting input end of, further fine setting signal, in signal transmitter E1 sends to building construction thing networking monitored control system terminal, building construction thing networking monitored control system terminal receipt trigger signal is real-time to thing networking signal emission module output signal regulation among the building construction thing networking monitored control system to reduce the noisy environment transmission signal attenuation ability of signal in the building site.
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 (2)
1. The building construction Internet of things monitoring system comprises a signal sampling module and an oscillation denoising module, and is characterized in that the signal sampling module samples an output signal of an Internet of things signal transmitting module in the building construction Internet of things monitoring system by using a signal sampler J1 with the model of DAM-3056AH, the signal sampling module is connected with the oscillation denoising module, and the output signal of the oscillation denoising module is transmitted to the building construction Internet of things monitoring system through a signal transmitter E1;
the oscillation noise reduction module comprises an inductor L1, one end of an inductor L1 is connected with one end of a capacitor C3, one end of a capacitor C6 and one end of a resistor R6, the other end of the inductor L6 is grounded, the other end of the capacitor C6 is connected with one end of the capacitor C6 and a collector of a transistor Q6 in the signal sampling module, the other end of the capacitor C6 is connected with one end of the capacitor C6 and one end of the capacitor C6, the other end of the capacitor C6 is connected with one end of the resistor R6, the other end of the resistor R6 is grounded, the other end of the resistor R6 is connected with a non-inverting input end of the transistor AR 6, the non-inverting input end of the transistor R6 is connected with a non-inverting input end of the transistor R6, the emitter of the transistor Q6 is grounded, the other end of the resistor R6 is connected with one end of the emitter of the transistor Q6, the non-inverting input end of the capacitor C6 is connected with one end of the resistor R6 and the non-inverting input end of the transistor AR 6 of, the inverting input end of the operational amplifier AR3 is connected with one end of a resistor R8, one end of a resistor R10 and the emitter of a triode Q3, the other end of the resistor R8 is connected with +5V of a power supply, the other end of the resistor R9 is grounded, the other end of the resistor R10 is connected with the base of a triode Q3 and one end of a resistor R11 and one end of a capacitor C8, the other ends of a resistor R11 and a capacitor C8 are grounded, the collector of a triode Q3 is connected with one end of a resistor R12 and a resistor R13 and the inverting input end of an operational amplifier AR4, the output end of an operational amplifier AR4 is connected with the other end of an inductor L2 and the other end of a resistor R13 and the non-inverting input end of an operational amplifier AR5, the other end of a resistor R12 is connected with the anode of a diode D3, and the cathode of a diode D36.
2. The monitoring system of the internet of things for building construction according to claim 1, wherein the signal sampling module comprises a signal sampler J1 with model number DAM-3056AH, a power supply end of the signal sampler J1 is connected with +5V, a ground end of the signal sampler J1 is connected with ground, an output end of the signal sampler J1 is connected with one end of a resistor R1 and a resistor R2, the other end of a resistor R1 is connected with a non-inverting input end of an amplifier AR1 and one end of a capacitor C1, an inverting input end of the amplifier AR1 is connected with the other end of a resistor R2 and one end of a resistor R3, an output end of an amplifier AR1 is connected with a collector of a triode Q1 and the other end of a capacitor C1, and a base of a triode Q1 is connected with the other end of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010660348.9A CN111817734A (en) | 2020-07-10 | 2020-07-10 | Building construction thing networking monitored control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010660348.9A CN111817734A (en) | 2020-07-10 | 2020-07-10 | Building construction thing networking monitored control system |
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| CN111817734A true CN111817734A (en) | 2020-10-23 |
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| CN202010660348.9A Withdrawn CN111817734A (en) | 2020-07-10 | 2020-07-10 | Building construction thing networking monitored control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383315A (en) * | 2020-12-01 | 2021-02-19 | 石家庄铁道大学 | Water inrush safety defense system for high-stress tunnel construction |
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| CN111343562A (en) * | 2020-03-31 | 2020-06-26 | 郑州工程技术学院 | Music audio signal calibration system |
| CN111355453A (en) * | 2020-03-18 | 2020-06-30 | 周宁 | Electric appliance cabinet remote monitoring system based on Internet of things |
| CN111367207A (en) * | 2020-03-18 | 2020-07-03 | 马雪强 | Electrical cabinet control system based on big data |
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2020
- 2020-07-10 CN CN202010660348.9A patent/CN111817734A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355453A (en) * | 2020-03-18 | 2020-06-30 | 周宁 | Electric appliance cabinet remote monitoring system based on Internet of things |
| CN111367207A (en) * | 2020-03-18 | 2020-07-03 | 马雪强 | Electrical cabinet control system based on big data |
| CN111343562A (en) * | 2020-03-31 | 2020-06-26 | 郑州工程技术学院 | Music audio signal calibration system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112383315A (en) * | 2020-12-01 | 2021-02-19 | 石家庄铁道大学 | Water inrush safety defense system for high-stress tunnel construction |
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Application publication date: 20201023 |
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