CN113193856A - Automatic control method of electric pulse water treatment multipath LC signal generator - Google Patents
Automatic control method of electric pulse water treatment multipath LC signal generator Download PDFInfo
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- CN113193856A CN113193856A CN202010038217.7A CN202010038217A CN113193856A CN 113193856 A CN113193856 A CN 113193856A CN 202010038217 A CN202010038217 A CN 202010038217A CN 113193856 A CN113193856 A CN 113193856A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/356—Bistable circuits
- H03K3/3565—Bistables with hysteresis, e.g. Schmitt trigger
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Abstract
The invention discloses an automatic control method of a multipath LC signal generator for electric pulse water treatment, which enables oscillation signals generated by the multipath LC signal generator to have the same frequency and the same phase and the waveform shape to be close to a decaying oscillation waveform by adjusting the capacitance of each path of LC signal generator, can automatically detect the superposition effect of the multipath signals in real time based on waveform identification, selects control parameters based on a knowledge base, adjusts the frequency phase parameters of each path of frequency signal generator, improves the waveform shape while accelerating the convergence speed, and prevents the influence of superposition offset and waveform shape variation on the scale prevention and scale removal effect.
Description
Technical Field
The invention relates to a water treatment technology, in particular to an electric pulse water treatment device and a control method thereof.
Background
With the development of modern society, water resources are an important part of human work and life, and the pollution problem is more and more severe. In order to prevent the excessive waste of water resources, the state carries out a series of restrictions on industrial discharged wastewater, so that the industrial wastewater can be discharged after reaching the standard so as to be convenient for secondary utilization of the industrial wastewater. Impurities exist in the industrial wastewater or the treated industrial wastewater, and the impurities or precipitates in the wastewater are easy to remain in the water pipe, so that the impurities remain in the water pipe and are solidified on the wall of the water pipe.
In order to prevent the water pipe walls from depositing impurities, the impurities on the water pipe walls are usually cleaned by means of pulse vibration. Patent CN209025173U has proposed a big double magnetic core bull structure of pipeline for solve the problem of the impurity on the pulse vibrations mode clearance water pipe wall under the great condition of pipe diameter. The multi-head disclosed in patent CN209025173U is a multi-channel frequency signal generator, which is beneficial for pulse signals to be uniformly distributed in the pipe diameter, but if the frequencies or phases of these signals are not the same, there is superposition cancellation which affects the scale prevention and removal effect.
The invention discloses a pulse water treatment device and a control method thereof, which ensure the same frequency and phase of a multipath LC signal generator based on frequency consistency and synchronous triggering. If N LC signal generators are provided, each LC signal generator has M frequency-adjustable circuits, then the convergence time is
As the number of LC signal generator circuits increases, the convergence time of the disclosed method increases exponentially. The method disclosed by the invention only focuses on the phase frequency of the waveform, does not concern about the shape of the waveform, and does not concern about the shape of the waveform.
Disclosure of Invention
In practical use, on the basis of multi-path waveform multi-frequency cophases, the closer the waveform shape is to the attenuation oscillation waveform, the better the anti-scaling and descaling effects are; therefore, the invention provides an electric pulse water treatment device and a control method thereof, which can automatically detect the superposition effect of multiple paths of signals in real time based on waveform identification, select control parameters based on a knowledge base, adjust the frequency phase parameters of frequency signal generators of all paths, improve the waveform shape while accelerating the convergence speed, and prevent the influence of superposition offset and waveform shape deterioration on the scale prevention and scale removal effects.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention discloses an automatic control method of an electric pulse water treatment multipath LC signal generator, which enables oscillation signals generated by the multipath LC signal generator to have the same frequency and phase and the waveform shape to be close to the attenuation oscillation waveform by adjusting the capacitance of each path of LC signal generator.
Preferably, the electric pulse water treatment multipath LC signal generator comprises at least two signal collectors, LC signal generators and a local monitor; the automatic control method comprises the following steps:
a. establishing an initial capacitor combination knowledge base which is confirmed manually;
b. selecting a default capacitance combination in a capacitance combination knowledge base, issuing the capacitance combination to a corresponding LC signal generator, and controlling a plurality of LC signal generators to generate oscillation signals;
c. acquiring oscillation signals generated by the LC signal generators, and calculating the similarity between the oscillation signals generated by each two LC signal generators according to the acquired signals;
d. when the similarity is higher than the threshold value, setting the current capacitance combination as a default capacitance combination in a capacitance combination knowledge base, and turning to the step c;
when the similarity is lower than a threshold value, if all capacitor combinations in the capacitor combination knowledge base are not traversed, selecting the next capacitor combination in the capacitor combination knowledge base and sending the capacitor combination to the corresponding LC signal generator, controlling the multi-channel LC signal generator to generate an oscillation signal, turning to c, otherwise, reporting to remote monitoring, requesting manual processing, and turning to e;
e. and (3) manually adjusting the capacitance of each LC signal generator to enable the oscillation signals generated by the multiple LC signal generators to have the same frequency and phase and the waveform shape to be close to the attenuation oscillation waveform, adding the capacitance combination of the current multiple signals into a capacitance combination knowledge base, setting the capacitance combination as a default capacitance combination, and turning to the step c.
Preferably, the similarity is cosine similarity.
Preferably, the threshold is 0.9.
Preferably, the local monitor comprises a main control unit, a bus interface unit, a synchronous trigger unit, a data storage unit and a display unit, wherein the main control unit is connected with the signal collector and the LC signal generator through the bus interface unit, is connected with the LC signal generator in a discrete line mode through the synchronous trigger unit, and is connected with the main control unit through the data storage unit and the display unit.
Furthermore, the local monitor further comprises an alarm unit, and the alarm unit is connected with the main control unit.
Furthermore, electric pulse water treatment multichannel LC signal generator still includes remote monitor, local monitor still includes the data access unit, the remote monitor is connected with the network mode through the data access unit to the main control unit.
The invention has the following beneficial effects:
1. the efficiency is high: the invention judges the waveform quality based on waveform identification and selects a control parameter adjusting signal based on a knowledge base, improves the waveform shape while accelerating the convergence rate, and prevents the influence of superposition offset and waveform shape deterioration on the scale prevention and scale removal effects.
2. Experience has accumulated and the equipment is more and more stable: the content of the capacitor combination knowledge base is an effective combination which is confirmed manually, the accumulated knowledge of the knowledge base is more and more along with the operation of the equipment, and the equipment has more effective capacitor combinations which are confirmed manually to be selected and used, and becomes more and more stable.
3. The reliability is high: the equipment automatically selects the capacitance combinations in the capacitance combination knowledge base, and the combinations are effective combinations confirmed manually, so that the reliability of the equipment is guaranteed.
Drawings
FIG. 1 is a control flow diagram of the present invention;
fig. 2 is a schematic block diagram of an electric pulse water treatment multipath LC signal generator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 2, the electric pulse water treatment multipath LC signal generator related to the present invention comprises a signal collector, LC signal generators 1 to n, a local monitor and a remote monitor, wherein the local monitor comprises a main control unit, a bus interface unit, a synchronous trigger unit, a data storage unit, a display unit, an alarm unit and a data access unit, the main control unit is connected with the signal collector and the LC signal generators 1 to n through the bus interface unit, the main control unit is connected with the LC signal generators 1 to n through the synchronous trigger unit in a discrete line manner, the data storage unit, the display unit and the alarm unit are all connected with the main control unit, the data storage unit stores default capacitance values of the LC signal generators, and the main control unit is connected with the remote monitor through the data access unit in a network manner.
As shown in FIG. 1, the automatic control method of the electric pulse water treatment multipath LC signal generator disclosed by the invention comprises the following steps:
a. establishing an initial capacitor combination knowledge base which is confirmed manually;
b. selecting a default capacitance combination in a capacitance combination knowledge base, issuing the capacitance combination to a corresponding LC signal generator, and controlling a plurality of LC signal generators to generate oscillation signals;
c. acquiring oscillation signals generated by the LC signal generators, and calculating the similarity between the oscillation signals generated by each two LC signal generators according to the acquired signals;
d. when the similarity is higher than the threshold value, setting the current capacitance combination as a default capacitance combination in a capacitance combination knowledge base, and turning to the step c;
when the similarity is lower than a threshold value, if all capacitor combinations in the capacitor combination knowledge base are not traversed, selecting the next capacitor combination in the capacitor combination knowledge base and sending the capacitor combination to the corresponding LC signal generator, controlling the multi-channel LC signal generator to generate an oscillation signal, turning to c, otherwise, reporting to remote monitoring, requesting manual processing, and turning to e;
e. and (3) manually adjusting the capacitance of each LC signal generator to enable the oscillation signals generated by the multiple LC signal generators to have the same frequency and phase and the waveform shape to be close to the attenuation oscillation waveform, adding the capacitance combination of the current multiple signals into a capacitance combination knowledge base, setting the capacitance combination as a default capacitance combination, and turning to the step c.
The similarity adopts cosine similarity, and the threshold value is 0.9.
The working principle of the invention is as follows: the local monitor is connected with the signal collector in a bus mode through a bus interface unit, the local monitor is connected with the LC signal generators 1-n in a bus mode through the bus interface unit and is connected with the LC signal generators 1-n in a discrete line mode through a synchronous control unit, the local monitor is connected with the remote monitor in a network mode through a data access unit, the bus interface unit, the synchronous trigger unit, the data storage unit, the display unit, the alarm unit and the data access unit of the local monitor are electrically connected with the main control unit, and the LC signal generators 1-n are electrically connected with the signal collector; after receiving an acquisition starting signal of the local monitor, the signal acquisition device simultaneously acquires and temporarily stores oscillation signals generated by the LC signal generators 1-n, or after receiving a data acquisition signal of the local monitor, transmits the temporarily stored oscillation signals generated by the acquisition LC signal generators 1-n to the local controller through a bus; the LC signal generator receives a capacitance value issued by the local monitor through the bus, controls a corresponding voltage value to take effect, receives a synchronous signal generated by the local monitor and starts the oscillator to generate an oscillation signal according to the synchronous signal; the remote monitor receives the information reported by the local monitor or sends the information to the local monitor; the local monitor sends an acquisition starting signal or a data acquisition signal to the signal collector through the bus interface unit based on the main control unit, and receives data transmitted by the signal collector, or sends a capacitance value to the LC signal generator through the bus interface unit, or generates a synchronous signal through the synchronous trigger unit and outputs the synchronous signal to the LC signal generator, or reports information to the remote monitor through the data access unit or receives information sent by the remote monitor, or reads a default capacitance value and a capacitance combination table from the data storage unit or updates the default capacitance value in the data storage unit, or displays equipment information on the display unit, or controls the alarm unit to alarm.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (7)
1. The automatic control method of the electric pulse water treatment multipath LC signal generator is characterized in that: by adjusting the capacitance of each LC signal generator, the oscillation signals generated by the LC signal generators have the same frequency and phase and the waveform shape is close to the attenuation oscillation waveform.
2. The automatic control method of the electric pulse water treatment multipath LC signal generator of claim 1, characterized in that: the electric pulse water treatment multipath LC signal generator comprises at least two signal collectors, LC signal generators and a local monitor; the automatic control method comprises the following steps:
a. establishing an initial capacitor combination knowledge base which is confirmed manually;
b. selecting a default capacitance combination in a capacitance combination knowledge base, issuing the capacitance combination to a corresponding LC signal generator, and controlling a plurality of LC signal generators to generate oscillation signals;
c. acquiring oscillation signals generated by the LC signal generators, and calculating the similarity between the oscillation signals generated by each two LC signal generators according to the acquired signals;
d. when the similarity is higher than the threshold value, setting the current capacitance combination as a default capacitance combination in a capacitance combination knowledge base, and turning to the step c;
when the similarity is lower than a threshold value, if all capacitor combinations in the capacitor combination knowledge base are not traversed, selecting the next capacitor combination in the capacitor combination knowledge base and sending the capacitor combination to the corresponding LC signal generator, controlling the multi-channel LC signal generator to generate an oscillation signal, turning to c, otherwise, reporting to remote monitoring, requesting manual processing, and turning to e;
e. and (3) manually adjusting the capacitance of each LC signal generator to enable the oscillation signals generated by the multiple LC signal generators to have the same frequency and phase and the waveform shape to be close to the attenuation oscillation waveform, adding the capacitance combination of the current multiple signals into a capacitance combination knowledge base, setting the capacitance combination as a default capacitance combination, and turning to the step c.
3. The automatic control method of the electric pulse water treatment multipath LC signal generator of claim 2, characterized in that: the similarity adopts cosine similarity.
4. The automatic control method of the electric pulse water treatment multipath LC signal generator of claim 3, characterized in that: the threshold value is 0.9.
5. The automatic control method of the electric pulse water treatment multipath LC signal generator of claim 2, characterized in that: the local monitor comprises a main control unit, a bus interface unit, a synchronous trigger unit, a data storage unit and a display unit, wherein the main control unit is connected with a signal collector and an LC signal generator through the bus interface unit, is connected with the LC signal generator in a discrete line mode through the synchronous trigger unit, and is connected with the main control unit through the data storage unit and the display unit.
6. The automatic control method of the electric pulse water treatment multipath LC signal generator of claim 2, characterized in that: the local monitor also comprises an alarm unit which is connected with the main control unit.
7. The automatic control method of the electric pulse water treatment multipath LC signal generator of claim 2, characterized in that: the electric pulse water treatment multipath LC signal generator further comprises a remote monitor, the local monitor further comprises a data access unit, and the main control unit is connected with the remote monitor in a network mode through the data access unit.
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Cited By (2)
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| CN114477392A (en) * | 2022-01-25 | 2022-05-13 | 上海科闫系统科技有限公司 | Electric pulse water treatment automation control method, electronic device and storage medium |
| CN116673278A (en) * | 2023-08-03 | 2023-09-01 | 上海科闫系统科技有限公司 | Electric pulse water treatment interference signal detection and treatment method |
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