CN210574278U - Real-time environment monitoring system - Google Patents
Real-time environment monitoring system Download PDFInfo
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- CN210574278U CN210574278U CN201922431248.4U CN201922431248U CN210574278U CN 210574278 U CN210574278 U CN 210574278U CN 201922431248 U CN201922431248 U CN 201922431248U CN 210574278 U CN210574278 U CN 210574278U
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Abstract
The utility model discloses an environment real-time monitoring system, which comprises an environment data acquisition unit, a central processing unit and a remote early warning device, wherein the remote early warning device comprises an amplifying adjustable circuit and an early warning instruction transmitting circuit, the amplifying adjustable circuit is used for amplifying and adjusting an early warning instruction signal sent by the central processing unit, the early warning instruction transmitting circuit further reduces noise of the amplified and adjusted signal and transmits the processed early warning instruction signal to a remote monitoring center by a wireless transmitter E1, the utility model discloses a design of the amplifying adjustable circuit applies a reference value to the early warning instruction signal and utilizes a RC band-pass filter network to well filter external clutter, improves the anti-interference performance of the early warning instruction signal, and the reference voltage value and the filter frequency are both adjustable, the use is convenient, the application range is wide, and the early warning signal is accurately sent to the monitoring center by utilizing a wireless transmission form, the early warning is more real-time and effective, and the reliability of the real-time environment monitoring system is improved.
Description
Technical Field
The utility model relates to an environmental monitoring technology field especially relates to an environment real-time monitoring system.
Background
In the industrial production process, the safety management of the production environment of workers is more and more emphasized, and the mastering of the real-time data of the environment is an important basis for realizing the requirements. The existing environment real-time monitoring system monitors parameters such as wind speed, wind direction, temperature, humidity, PM2.5, PM10, noise, air pressure and the like of a production environment in real time through an environment data acquisition unit, sends the data into a central processing unit for field data analysis, and evaluates the fitting degree of the real-time data and standard data in real time. When the real-time data parameters are abnormal, the central processing unit can issue an early warning instruction, the early warning instruction is sent to the monitoring center in a wired or wireless mode, the wireless early warning mode is widely applied due to the characteristics of convenience, rapidness and convenience in construction, however, wireless signal transmission is easily interfered by the outside, the signal processing process is not convenient to adjust, and the situation that the early warning of the monitoring system possibly fails is caused.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide a real-time environmental monitoring system.
The technical scheme for solving the problem is as follows: the utility model provides an environment real-time monitoring system, includes environmental data acquisition unit, central processing unit and remote early warning device, remote early warning device is including enlargiing adjustable circuit and early warning instruction transmitting circuit, it is right to enlarge adjustable circuit early warning instruction signal that central processing unit sent amplifies the regulation, early warning instruction transmitting circuit further falls the back of making an uproar to the signal after amplifying the regulation, is transmitted the remote monitoring center by wireless transmitter E1 early warning instruction signal after will handling.
Preferably, the amplifying adjustable circuit comprises an operational amplifier U1, a non-inverting input terminal of an operational amplifier U1 is connected to an early warning instruction output terminal sent by the central processing unit through a capacitor C1, and is connected to an output terminal of an operational amplifier U1 through a resistor R1, an inverting input terminal of an operational amplifier U1 is connected to a pin 3 of an adjustable resistor RP1, and is connected to a pin 1 of an adjustable resistor RP1 through a capacitor C2, and a pin 2 of an adjustable resistor RP1 is connected to a +5V power supply.
Preferably, the amplification adjustable circuit further includes an operational amplifier U2, an inverting input terminal of the operational amplifier U2 is connected to one ends of the resistors R2, R3 and the capacitor C3 through a resistor R4, and is connected to an output terminal of the operational amplifier U2 and a pin 2 of the adjustable resistor RP2 through a capacitor C4, pins 1 and 3 of the adjustable resistor RP2 are connected to the other end of the resistor R3, the other end of the resistor R2 is connected to an output terminal of the operational amplifier U1, and the other end of the capacitor C3 is grounded.
Preferably, the early warning command transmitting circuit includes a MOS transistor Q1, the gate of the MOS transistor Q1 is connected to the output end of the operational amplifier U2 through a resistor R5 and a capacitor C5 which are connected in parallel, and is grounded through a resistor R6, the drain of the MOS transistor Q1 is connected to the +5V power supply, and the source of the MOS transistor Q1 is grounded through a resistor R7 and is connected to the wireless transmitter E1 through an inductor L1 and a capacitor C6 in sequence.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses an environmental data acquisition unit carries out real-time detection to each item parameter of production environment to send into central processing unit and carry out data analysis fitting, when the real-time data parameter appears unusually, central processing unit issues early warning command signal, utilizes the form of wireless transmission to send early warning signal to the surveillance center accurately, makes the early warning more real-time effective, promotes the reliability of environment real-time supervision system;
2. the designed amplification adjustable circuit applies a reference value to the early warning instruction signal, and utilizes the RC band-pass filter network to perform good filtering on external clutter, so that the anti-interference performance of the early warning instruction signal is improved, and the reference voltage value and the filtering frequency are adjustable, so that the use is convenient, and the application range is wide.
Drawings
Fig. 1 is a schematic diagram of the amplifying adjustable circuit of the present invention.
Fig. 2 is a schematic diagram of the warning instruction transmitting circuit of the present invention.
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 1 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides an environment real-time monitoring system, includes environmental data acquisition unit, central processing unit and long-range early warning device, and long-range early warning device is including enlargiing adjustable circuit and early warning instruction transmitting circuit, and the adjustable circuit that enlargies is used for enlargiing the regulation to the early warning instruction signal that central processing unit sent, and the early warning instruction transmitting circuit further falls the back of making an uproar to the signal after enlargiing the regulation, is transmitted the early warning instruction signal after handling to the remote monitoring center by wireless transmitter E1.
The environmental data acquisition unit carries out real-time detection on various parameters of a production environment by arranging a sensor, and sends the parameters into the central processing unit for data analysis and fitting, when the real-time data parameters are abnormal, the central processing unit sends an early warning instruction signal, and the early warning instruction signal is firstly sent into the amplifying adjustable circuit for operational amplifier processing.
As shown in fig. 1, the amplifying adjustable circuit includes an operational amplifier U1, a non-inverting input terminal of an operational amplifier U1 is connected to an early warning instruction output terminal sent by the central processing unit through a capacitor C1, and is connected to an output terminal of an operational amplifier U1 through a resistor R1, an inverting input terminal of an operational amplifier U1 is connected to a pin 3 of an adjustable resistor RP1, and is connected to a pin 1 of an adjustable resistor RP1 through a capacitor C2, and a pin 2 of an adjustable resistor RP1 is connected to a +5V power supply. The operational amplifier U1 amplifies the early warning command signal in phase, and in the amplification process, a +5V power supply forms a reference voltage at the inverting input end of the operational amplifier U1 after being divided by the adjustable resistor RP1, so that the early warning command signal amplified by the operational amplifier U1 applies a reference value, the reference voltage value of the early warning command signal can be changed by adjusting the resistance value of the adjustable resistor RP1, and the signal transmission intensity can be conveniently adjusted.
In order to avoid interference of external noise on transmission of the early warning command signal, the amplification adjustable circuit further comprises an operational amplifier U2, an inverting input end of the operational amplifier U2 is connected with one end of each of the resistors R2 and R3 and the capacitor C3 through a resistor R4, an output end of the operational amplifier U2 and a pin 2 of the adjustable resistor RP2 are connected through a capacitor C4, pins 1 and 3 of the adjustable resistor RP2 are connected with the other end of the resistor R3, the other end of the resistor R2 is connected with an output end of the operational amplifier U1, and the other end of the capacitor C3 is grounded. The resistors R2-R4, the capacitors C3, C4 and the adjustable resistor RP2 form an RC band-pass filter network in the amplification process of the operational amplifier U2, and the band-pass center frequency of the RC band-pass filter network is consistent with the frequency of the early warning command signal, so that external noise is well filtered, and the anti-interference performance of the early warning command signal is improved. When the frequencies of the early warning instruction signals issued by different detection systems are different, the frequency band of the RC band-pass filter network can be changed by adjusting the resistance value of the adjustable resistor RP2, so that the filtering of the early warning instruction signals with different frequencies is adapted, and the application range of the system is enlarged.
The output of the operational amplifier U2 is sent to an early warning command transmitting circuit for pre-processing before transmission, as shown in FIG. 2, the early warning command transmitting circuit includes a MOS transistor Q1, the gate of the MOS transistor Q1 is connected to the output end of the operational amplifier U2 through a resistor R5 and a capacitor C5 which are connected in parallel, and is grounded through a resistor R6, the drain of the MOS transistor Q1 is connected to a +5V power supply, the source of the MOS transistor Q1 is grounded through a resistor R7, and is connected to a wireless transmitter E1 through an inductor L1 and a capacitor C6 in sequence. The resistor R5 and the capacitor C5 form RC high-pass filtering to process an output signal of the operational amplifier U2, low-frequency interference in the signal is reduced, then the signal is sent into the MOS tube Q1 to be subjected to power amplification processing, LC series resonance is adopted to form a high-frequency signal required by signal transmission, and finally the early warning instruction is remotely transmitted out through the wireless transmitter E1.
The utility model discloses when specifically using, carry out real-time detection to each item parameter of production environment through environmental data acquisition unit to send into central processing unit and carry out the data analysis fitting, when the real-time data parameter appears unusually, central processing unit issues early warning command signal. The amplifying adjustable circuit applies a reference value to the early warning instruction signal, and utilizes the RC band-pass filter network to perform good filtering on external clutter, so that the anti-interference performance of the early warning instruction signal is improved, and the reference voltage value and the filtering frequency are adjustable, so that the use is convenient, and the application range is wide. The early warning signal is accurately sent to the monitoring center in a wireless transmission mode, so that early warning is more real-time and effective, and the reliability of the real-time environment monitoring system is improved.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (4)
1. The utility model provides an environment real-time monitoring system, includes environmental data acquisition unit, central processing unit and remote early warning device, its characterized in that: the remote early warning device comprises an amplifying adjustable circuit and an early warning instruction transmitting circuit, the amplifying adjustable circuit is used for amplifying and adjusting an early warning instruction signal sent by the central processing unit, and the early warning instruction transmitting circuit is used for transmitting the processed early warning instruction signal to a remote monitoring center by a wireless transmitter E1 after further reducing the noise of the amplified and adjusted signal.
2. The real-time environmental monitoring system of claim 1, wherein: the amplifying adjustable circuit comprises an operational amplifier U1, wherein the non-inverting input end of the operational amplifier U1 is connected with the early warning instruction output end sent by the central processing unit through a capacitor C1 and is connected with the output end of the operational amplifier U1 through a resistor R1, the inverting input end of the operational amplifier U1 is connected with a pin 3 of an adjustable resistor RP1 and is connected with a pin 1 of the adjustable resistor RP1 through a capacitor C2, and a pin 2 of the adjustable resistor RP1 is connected with a +5V power supply.
3. The real-time environmental monitoring system of claim 2, wherein: the amplifying adjustable circuit further comprises an operational amplifier U2, an inverting input end of the operational amplifier U2 is connected with one ends of the resistors R2, R3 and the capacitor C3 through a resistor R4, the inverting input end of the operational amplifier U2 is connected with an output end of the operational amplifier U2 and a pin 2 of the adjustable resistor RP2 through a capacitor C4, pins 1 and 3 of the adjustable resistor RP2 are connected with the other end of the resistor R3, the other end of the resistor R2 is connected with an output end of the operational amplifier U1, and the other end of the capacitor C3 is grounded.
4. The real-time environmental monitoring system of claim 3, wherein: the early warning instruction transmitting circuit comprises a MOS tube Q1, the grid electrode of the MOS tube Q1 is connected with the output end of an operational amplifier U2 through a resistor R5 and a capacitor C5 which are connected in parallel, the grid electrode of the MOS tube Q1 is grounded through a resistor R6, the drain electrode of the MOS tube Q1 is connected with a +5V power supply, the source electrode of the MOS tube Q1 is grounded through a resistor R7, and the source electrode of the MOS tube Q1 is connected with the wireless transmitter E1 through an inductor L1 and a capacitor C6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431248.4U CN210574278U (en) | 2019-12-30 | 2019-12-30 | Real-time environment monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431248.4U CN210574278U (en) | 2019-12-30 | 2019-12-30 | Real-time environment monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210574278U true CN210574278U (en) | 2020-05-19 |
Family
ID=70659466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922431248.4U Expired - Fee Related CN210574278U (en) | 2019-12-30 | 2019-12-30 | Real-time environment monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210574278U (en) |
-
2019
- 2019-12-30 CN CN201922431248.4U patent/CN210574278U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200519 Termination date: 20201230 |