CN209946875U - Anti-attenuation water supply network wisdom management and control system - Google Patents
Anti-attenuation water supply network wisdom management and control system Download PDFInfo
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- CN209946875U CN209946875U CN201921276762.9U CN201921276762U CN209946875U CN 209946875 U CN209946875 U CN 209946875U CN 201921276762 U CN201921276762 U CN 201921276762U CN 209946875 U CN209946875 U CN 209946875U
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Abstract
The utility model discloses an anti-decay water supply network wisdom management and control system, including signal acquisition module and terminal server, during signal acquisition module's output signal sent into terminal server after handling through signal calibration module, signal calibration module is including the signal conditioning circuit who connects gradually, signal enhancement circuit and filtering output circuit, signal conditioning circuit sends into after exerting reference voltage to signal acquisition module's output signal and enlargies in the ware AR1 is put to fortune, it calibrates the signal to form second order band-pass filtering at fortune in-process, then send into signal enhancement circuit with the signal after the calibration in the quick amplification, avoid the signal to lose efficacy because of the decay in transmission process, last filtering output circuit utilizes LC filtering principle further to improve the signal precision, thereby improve the precision of wisdom management and control system control terminal's regulation network allotment.
Description
Technical Field
The utility model relates to a water supply network management and control technical field especially relates to an anti-decay water supply network wisdom management and control system.
Background
Along with the continuous development of science and technology and internet technique, water supply network wisdom management and control system has crucial effect to city water supply management. As a relatively advanced urban water supply management system at the present stage, the implementation of the anti-attenuation water supply network intelligent management and control system depends on a mobile network, a signal acquisition module and a terminal server. The signal acquisition module utilizes multiple sensor to accomplish and gathers and handle the real-time status data of water supply network, including data information such as voltage, electric current, temperature, flow, quality of water, and at data signal transmission terminal server's in-process, the decay can appear in the signal, also can cause transmission unstability or even data to make mistakes because of network fluctuation or external disturbance to influence the precision of wisdom management and control system control terminal's regulation water supply network allotment.
So the utility model provides a new scheme to solve the problem.
Disclosure of Invention
To the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide an anti-attenuation intelligent management and control system for a water supply network.
The technical scheme for solving the problem is as follows: the utility model provides an anti-decay water supply network wisdom management and control system, includes signal acquisition module and terminal server, the output signal of signal acquisition module sends into after handling through signal calibration module among the terminal server, signal calibration module is including the signal conditioning circuit, signal enhancement circuit and the filtering output circuit that connect gradually, signal conditioning circuit sends into after exerting reference voltage to the output signal of signal acquisition module and enlargies in the ware AR1 is put to fortune, and it calibrates the signal to form second order band-pass filtering at the fortune in-process, then sends into the signal after the calibration signal and enlargies fast in the signal enhancement circuit, avoids the signal to lose efficacy because of the decay in transmission process, and the final filtering output circuit utilizes LC filtering principle further to improve signal accuracy.
Further, the signal conditioning circuit comprises resistors R1, R2, R3 and R4, one ends of the resistors R1, R2 and R3 are connected to the output end of the signal acquisition module, the other end of the resistor R1 is connected to a +5V power supply, the other end of the resistor R2 is grounded, the other end of the resistor R3 is connected to one ends of the resistors R4, R6 and the capacitor C1, the other end of the resistor R4 is connected to the non-inverting input end of the operational amplifier AR1 and is grounded through the resistor R5, the other end of the resistor R6 is connected to one ends of the resistor R7 and the capacitor C2 and the output end of the operational amplifier AR1, the other end of the capacitor C1 is grounded, and the other end of the capacitor C2 is connected to the inverting input end.
Furthermore, the signal enhancement circuit comprises triodes VT1 and VT2, one end of a triode VT1 is connected with the other end of a resistor R7, a collector of the triode VT1 is connected with an emitter of the VT2 by a +5V power supply and is grounded through a capacitor C3, an emitter of the triode VT1 is connected with a base of the VT2 and is grounded through a resistor R8, a collector of the triode VT2 is connected with one end of a resistor R9 and a cathode of a zener diode DZ1, and the other end of the resistor R9 is connected with an anode of the zener diode DZ1 in parallel and grounded.
Furthermore, the filter output circuit comprises an inductor L1, one end of the inductor L1 is connected with the cathode of the voltage stabilizing diode DZ1, the other end of the inductor L1 is connected with one ends of capacitors C4 and C5, the other end of the capacitor C4 is grounded, and the other end of the capacitor C5 is connected with the signal input end of the terminal server.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the signal conditioning circuit applies a reference voltage to the output signal of the signal acquisition module and then sends the output signal into the operational amplifier AR1 for amplification, and second-order band-pass filtering is formed in the operational amplifier process to calibrate the signal, so that the signal transmission precision is well improved, and clutter interference is eliminated;
2. in order to avoid attenuation failure of signals in the transmission process, the signal enhancement circuit forms a combined amplification tube to effectively improve the signal strength and ensure the effectiveness of long-distance transmission of the signals;
3. the filtering output circuit utilizes an LC filtering principle to further accurately filter signals, the original frequency precision of data signals is greatly guaranteed, the recognition degree of a terminal server to data information is improved, and therefore the precision of regulation of a water supply network allocation of an intelligent management and control system control terminal is improved.
Drawings
Fig. 1 is a block diagram of the system of the present invention.
Fig. 2 is a schematic circuit diagram of the signal calibration module 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 anti-decay water supply network wisdom management and control system, includes signal acquisition module and terminal server, and during signal acquisition module's output signal sent into terminal server after handling through signal calibration module, signal calibration module includes signal conditioning circuit, signal enhancement circuit and the filtering output circuit who connects gradually. The signal conditioning circuit applies reference voltage to the output signal of the signal acquisition module and then sends the output signal into the operational amplifier AR1 for amplification, second-order band-pass filtering is formed in the operational amplifier process to calibrate the signal, then the calibrated signal is sent into the signal enhancement circuit for rapid amplification, the signal is prevented from losing effectiveness due to attenuation in the transmission process, and finally the filtering output circuit further improves the signal precision by utilizing the LC filtering principle.
In order to improve the accuracy of signal transmission, the signal acquisition module carries out carrier wave on the acquired data signal and then outputs the data signal to the signal conditioning circuit for processing. The signal conditioning circuit comprises resistors R1, R2, R3 and R4, one ends of the resistors R1, R2 and R3 are connected with the output end of the signal acquisition module, the other end of the resistor R1 is connected with a +5V power supply, the other end of the resistor R2 is grounded, the other end of the resistor R3 is connected with one ends of the resistors R4, R6 and the capacitor C1, the other end of the resistor R4 is connected with the non-inverting input end of the operational amplifier AR1 and is grounded through a resistor R5, the other end of the resistor R6 is connected with one ends of the resistor R7, the capacitor C2 and the output end of the operational amplifier AR1, the other end of the capacitor C1 is grounded, and the other end of the capacitor C2 is connected with the. The resistors R1 and R2 form reference voltage for output signals of the signal acquisition module by using a voltage division principle, then the reference voltage is sent to the operational amplifier AR1 to be amplified, diode band-pass filtering is formed by the resistors R3 and R4 and the capacitors C1 and C2 in the amplification process to carry out filtering adjustment on input signals of the operational amplifier AR1, wherein the center frequency of the diode band-pass filtering is the same as the carrier frequency of data signals, so that the signal transmission precision is well improved, and clutter interference is eliminated.
In order to avoid the signal from attenuation failure in the transmission process, a signal enhancement circuit is used to rapidly amplify the output signal of the operational amplifier AR 1. The signal enhancement circuit comprises triodes VT1 and VT2, wherein one end of a triode VT1 is connected with the other end of a resistor R7, the collector of the triode VT1 is connected with the emitter of the VT2 and is grounded through a capacitor C3, the emitter of the triode VT1 is connected with the base of the VT2 and is grounded through a resistor R8, the collector of the triode VT2 is connected with one end of a resistor R9 and the cathode of a zener diode DZ1, and the other end of the resistor R9 is connected with the anode of the zener diode DZ1 in parallel and is grounded. The triodes VT1 and VT2 form a combined amplifying tube, and the signal intensity can be effectively improved by using the triode amplifying principle, so that the effectiveness of long-distance signal transmission is ensured.
The output signal of the combined amplifying tube is sent to a filter output circuit for further processing after voltage stabilization. The filter output circuit comprises an inductor L1, one end of an inductor L1 is connected with the cathode of a voltage stabilizing diode DZ1, the other end of the inductor L1 is connected with one ends of capacitors C4 and C5, the other end of the capacitor C4 is grounded, and the other end of the capacitor C5 is connected with the signal input end of the terminal server. The inductor L1 and the capacitor C4 form LC filtering to further accurately filter the output signal of the signal enhancement circuit, so that the original frequency precision of the data signal is greatly guaranteed, and the recognition degree of the terminal server to the data information is improved.
The utility model discloses when specifically using, the signal acquisition module is gathered and is handled the real-time status data of water supply network, then carries out the carrier wave with data signal and exports signal conditioning circuit after and handle, and signal conditioning circuit sends into after exerting reference voltage to signal acquisition module's output signal and enlargies in the ware AR1 is put in fortune, puts the in-process at fortune and forms second order band-pass filtering and calibrates the signal, has improved the signal transmission precision well, eliminates clutter interference. In order to avoid attenuation failure of signals in the transmission process, the signal enhancement circuit forms a combined amplification tube to effectively improve the signal strength and ensure the effectiveness of long-distance transmission of the signals. The filtering output circuit utilizes an LC filtering principle to further accurately filter signals, the original frequency precision of data signals is greatly guaranteed, the recognition degree of a terminal server to data information is improved, and therefore the precision of regulation of a water supply network allocation of an intelligent management and control system control terminal 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 anti-decay water supply network wisdom management and control system, includes signal acquisition module and terminal server, its characterized in that: the output signal of the signal acquisition module is sent into the terminal server after being processed by the signal calibration module, the signal calibration module comprises a signal conditioning circuit, a signal enhancement circuit and a filtering output circuit which are connected in sequence, the signal conditioning circuit applies reference voltage to the output signal of the signal acquisition module and then sends the output signal into an operational amplifier AR1 for amplification, second-order band-pass filtering is formed in the operational amplifier process to calibrate the signal, then the calibrated signal is sent into the signal enhancement circuit for rapid amplification, the signal is prevented from being invalid due to attenuation in the transmission process, and finally the filtering output circuit utilizes the LC filtering principle to further improve the signal precision.
2. The intelligent anti-decay water supply network management and control system according to claim 1, wherein: the signal conditioning circuit comprises resistors R1, R2, R3 and R4, one ends of the resistors R1, R2 and R3 are connected with the output end of the signal acquisition module, the other end of the resistor R1 is connected with a +5V power supply, the other end of the resistor R2 is grounded, the other end of the resistor R3 is connected with one ends of the resistors R4, R6 and a capacitor C1, the other end of the resistor R4 is connected with the non-inverting input end of the operational amplifier AR1 and is grounded through a resistor R5, the other end of the resistor R6 is connected with one ends of the resistor R7 and the capacitor C2 and the output end of the operational amplifier AR1, the other end of the capacitor C1 is grounded, and the other end of the capacitor C2 is connected with the inverting.
3. The intelligent anti-attenuation water supply network management and control system according to claim 2, characterized in that: the signal enhancement circuit comprises triodes VT1 and VT2, wherein one end of a triode VT1 is connected with the other end of a resistor R7, a collector of the triode VT1 is connected with an emitter of the VT2 and is grounded through a capacitor C3, an emitter of the triode VT1 is connected with a base of the VT2 and is grounded through a resistor R8, a collector of the triode VT2 is connected with one end of a resistor R9 and a cathode of a zener diode DZ1, and the other end of the resistor R9 is connected with an anode of the zener diode DZ1 in parallel and is grounded.
4. The intelligent anti-decay water supply network management and control system according to claim 3, wherein: the filter output circuit comprises an inductor L1, one end of an inductor L1 is connected with the cathode of a voltage stabilizing diode DZ1, the other end of the inductor L1 is connected with one ends of capacitors C4 and C5, the other end of the capacitor C4 is grounded, and the other end of the capacitor C5 is connected with a signal input end of a terminal server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276762.9U CN209946875U (en) | 2019-08-08 | 2019-08-08 | Anti-attenuation water supply network wisdom management and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276762.9U CN209946875U (en) | 2019-08-08 | 2019-08-08 | Anti-attenuation water supply network wisdom management and control system |
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| Publication Number | Publication Date |
|---|---|
| CN209946875U true CN209946875U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276762.9U Active CN209946875U (en) | 2019-08-08 | 2019-08-08 | Anti-attenuation water supply network wisdom management and control system |
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| Country | Link |
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| CN (1) | CN209946875U (en) |
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- 2019-08-08 CN CN201921276762.9U patent/CN209946875U/en active Active
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