CN208477348U - A kind of electric-automation control system - Google Patents
A kind of electric-automation control system Download PDFInfo
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- CN208477348U CN208477348U CN201821420428.1U CN201821420428U CN208477348U CN 208477348 U CN208477348 U CN 208477348U CN 201821420428 U CN201821420428 U CN 201821420428U CN 208477348 U CN208477348 U CN 208477348U
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Abstract
The utility model discloses a kind of electric-automation control systems, including data acquisition module, signal processing module and controller, data acquisition module includes one or more detection sensors, the output signal of detection sensor is sent into controller by signal processing module, signal processing module includes sequentially connected signal filter circuit, two-way adjusts amplifying circuit and stabilizing output circuit, the utility model passes through modelled signal processing module, electric-automation control system is efficiently solved to handle inaccurately the output signal of data acquisition module, signal transmits unstable problem, improve the accuracy of control, it significantly reduces in the high-precision control error rate for automatically controlling occasion.
Description
Technical field
The utility model relates to technical field of electrical automation control, control system more particularly to a kind of electric automatization
System.
Background technique
Currently, most of production enterprise all uses automation control appliance and processed, substantially increase
Production efficiency, but in some high-precision automatic control occasions, existing electric-automation control system still remains logarithm
According to the output signal processing of acquisition module, inaccurate, signal transmits unstable phenomenon, causes control effect inaccurate, or even go out
Now control the situation of error.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Utility model content
For above situation, for the defect for overcoming the prior art, the utility model is designed to provide one kind electrically certainly
Dynamic networked control systems.
Its technical solution solved is: a kind of electric-automation control system, including data acquisition module, signal processing mould
Block and controller, the signal processing module include signal filter circuit, two-way adjusting amplifying circuit and stabilizing output circuit；Letter
The input terminal of number filter circuit connects data acquisition module, and it includes transport and placing device A1, A2, signal filtered electrical that two-way, which adjusts amplifying circuit,
The output end on road passes through the inverting input terminal of resistance R2 connection transport and placing device A1, and defeated by the reverse phase of resistance R3 connection transport and placing device A2
Enter end, the output end of transport and placing device A2 passes through the inverting input terminal of diode D1 connection transport and placing device A2 and the homophase input of transport and placing device A1
End, transport and placing device A1 feedback end connect concatenated resistance R4, rheostat RL1, the grid of the output end connection metal-oxide-semiconductor Q1 of transport and placing device A1
Pole, the drain electrode connection+5V power supply of metal-oxide-semiconductor Q1, and be grounded by capacitor C3, the source electrode of metal-oxide-semiconductor Q1 is grounded by resistance R6, and is led to
The input terminal of resistance R7 stable connection output circuit is crossed, the output end of stabilizing output circuit connects controller.
Preferably, the signal filter circuit includes resistance R1, the output of one end connection data acquisition module of resistance R1
End, the other end of resistance R1 connect one end of capacitor C1, inductance L1, the other end ground connection of capacitor C1, and the other end of inductance L1 connects
One end and two-way for meeting capacitor C2 adjust the input terminal of amplifying circuit, the other end ground connection of capacitor C2.
Preferably, the stabilizing output circuit includes transport and placing device A3, and the non-inverting input terminal connection two-way of transport and placing device A3 is adjusted
The output end of amplifying circuit, the inverting input terminal of transport and placing device A3 pass through the output end of capacitor C4 connection transport and placing device A3, transport and placing device A3
Output end connection resistance R8 one end and triode VT1 collector, the base stage of the other end of resistance R8 and triode VT1 connects
The cathode of zener diode DZ1 is connect, the collector of the plus earth of zener diode DZ1, triode VT1 connects controller.
By above technical scheme, the utility model has the following beneficial effects:
1. signal filter circuit is filtered using output signal of the pi type filter to data acquisition module, greatly drop
Noise signal in low signal transmission, improves the accuracy of signal；
It is adjusted in amplifying circuit 2. the output signal of signal filter circuit divides two-way to be sent into two-way, transport and placing device A2 filters signal
Wave circuit output wherein signal follow the inverting input terminal that transport and placing device A1 is sent into after amplification, same signal filter circuit all the way
The another way signal of output forms potential difference, and then transport and placing device A1 carries out differential amplification to the signal of two input terminals, makes signal
Good accuracy is kept in amplification process, metal-oxide-semiconductor Q1 improves the anti-interference in signals transmission；
3. the output signal that transport and placing device A3 adjusts amplifying circuit to two-way in stabilizing output circuit carries out following amplification, to biography
Defeated signal plays a role in improving, and is finally carried out at pressure stabilizing using output signal of the triode voltage regulator circuit principle to transport and placing device A3
Reason greatly improves the stability of detection signal output, efficiently solves electric-automation control system and acquires to data
The output signal processing of module is inaccurate, signal transmits unstable problem, improves the accuracy of control, significantly reduces
In the high-precision control error rate for automatically controlling occasion.
Detailed description of the invention
Fig. 1 is a kind of system module figure of electric-automation control system of the utility model.
Fig. 2 is the circuit diagram of signal processing module in a kind of electric-automation control system of the utility model.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
A kind of electric-automation control system, including data acquisition module, signal processing module and controller, data acquisition
Module includes one or more detection sensors, and the output signal of detection sensor is sent into controller by signal processing module
In, signal processing module includes sequentially connected signal filter circuit, two-way adjusting amplifying circuit and stabilizing output circuit.
Signal filter circuit includes resistance R1, and one end of resistance R1 connects the output end of data acquisition module, resistance R1's
The other end connects one end of capacitor C1, inductance L1, the other end ground connection of capacitor C1, and the other end of inductance L1 connects the one of capacitor C2
End and two-way adjust the input terminal of amplifying circuit, and the other end ground connection of capacitor C2, wherein capacitor C1, C2 and inductance L1 forms π type
Filter is filtered the output signal of data acquisition module, significantly reduces the noise signal in signal transmission, improves
The accuracy of signal.
The output signal of signal filter circuit is more faint, guarantees that signal is good to improve signal in amplification process
Stability, the output signal of signal filter circuit divide two-way to be sent into two-way adjusting amplifying circuit, and two-way adjusts amplifying circuit packet
Transport and placing device A1, A2 are included, the output end of signal filter circuit passes through the inverting input terminal of resistance R2 connection transport and placing device A1, and passes through electricity
Hinder the inverting input terminal of R3 connection transport and placing device A2.The output end of transport and placing device A2 is defeated by the reverse phase of diode D1 connection transport and placing device A2
Enter the non-inverting input terminal at end and transport and placing device A1, transport and placing device A1 feedback end connects concatenated resistance R4, rheostat RL1, transport and placing device A1
Output end connection metal-oxide-semiconductor Q1 grid, the drain electrode connection+5V power supply of metal-oxide-semiconductor Q1, and being grounded by capacitor C3, metal-oxide-semiconductor Q1's
Source electrode is grounded by resistance R6, and passes through the input terminal of resistance R7 stable connection output circuit, the output end of stabilizing output circuit
Connect controller, wherein transport and placing device A2 to signal filter circuit export wherein signal follow amplification, guarantee signal all the way
Stability, the output signal of transport and placing device A2 is sent into the inverting input terminal of transport and placing device A1, with the another of signal filter circuit output
Road signal forms potential difference, and then transport and placing device A1 carries out differential amplification to the signal of two input terminals, makes signal in amplification process
Middle to keep good accuracy, wherein the amplification factor of transport and placing device A1 can be changed in the resistance value of standardsizing rheostat RL1, is adapted to facilitating
Controller receives the big minor adjustment of current potential, and the output signal of transport and placing device A1 is further amplified by metal-oxide-semiconductor Q1, since metal-oxide-semiconductor Q1 has
Good temperature characterisitic, to improve the anti-interference in signals transmission.
In order to guarantee that the detection signal that controller receives has good stability, transport and placing device A3 in stabilizing output circuit
The output signal for adjusting amplifying circuit to two-way carries out following amplification, plays a role in improving to transmission signal, transport and placing device A3's is anti-
Phase input terminal passes through the output end of capacitor C4 connection transport and placing device A3, and capacitor C4 plays the role of signal compensation, guarantees signal transmission
The continuity of process, one end of the output end connection resistance R8 of transport and placing device A3 and the collector of triode VT1, resistance R8's is another
End connect the cathode of zener diode DZ1, the plus earth of zener diode DZ1, triode VT1 with the base stage of triode VT1
Collector connect controller, wherein resistance R8, triode VT1 and zener diode DZ1 form triode voltage regulator circuit, to fortune
The output signal for putting device A3 carries out steady pressure treatment, greatly improves the stability of detection signal output.
The utility model when specifically used, examined in real time in electric-automation control system by data acquisition module
It surveys, and will test and handled in output signal feeding signal processing module, wherein signal filter circuit utilizes pi type filter pair
The output signal of data acquisition module is filtered, and is significantly reduced the noise signal in signal transmission, is improved the essence of signal
Exactness, then the output signal of signal filter circuit is divided two-way to be sent into two-way and is adjusted in amplifying circuit, and transport and placing device A2 filters signal
Wave circuit output wherein signal follow the inverting input terminal that transport and placing device A1 is sent into after amplification, same signal filter circuit all the way
The another way signal of output forms potential difference, and then transport and placing device A1 carries out differential amplification to the signal of two input terminals, makes signal
Good accuracy is kept in amplification process, metal-oxide-semiconductor Q1 improves the anti-interference in signals transmission, then stable output
The output signal that transport and placing device A3 adjusts amplifying circuit to two-way in circuit carries out following amplification, plays improvement to transmission signal and makees
With finally carrying out steady pressure treatment to the output signal of transport and placing device A3 using triode voltage regulator circuit principle, greatly improve inspection
The stability for surveying signal output efficiently solves electric-automation control system and handles the output signal of data acquisition module
Inaccurately, signal transmits unstable problem, improves the accuracy of control, significantly reduces in high-precision automatic control
The control error rate of occasion.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of electric-automation control system, including data acquisition module, signal processing module and controller, feature exist
In: the signal processing module includes signal filter circuit, two-way adjusting amplifying circuit and stabilizing output circuit；
The input terminal of signal filter circuit connects data acquisition module, and it includes transport and placing device A1, A2, signal that two-way, which adjusts amplifying circuit,
The output end of filter circuit passes through the inverting input terminal of resistance R2 connection transport and placing device A1, and passes through resistance R3 connection transport and placing device A2's
Inverting input terminal, the output end of transport and placing device A2 are same by the inverting input terminal of diode D1 connection transport and placing device A2 and transport and placing device A1's
Phase input terminal, transport and placing device A1 feedback end connect concatenated resistance R4, rheostat RL1, and the output end of transport and placing device A1 connects metal-oxide-semiconductor Q1
Grid, the drain electrode connection+5V power supply of metal-oxide-semiconductor Q1, and being grounded by capacitor C3, the source electrode of metal-oxide-semiconductor Q1 is grounded by resistance R6,
And passing through the input terminal of resistance R7 stable connection output circuit, the output end of stabilizing output circuit connects controller.
2. electric-automation control system according to claim 1, it is characterised in that: the signal filter circuit includes electricity
Hinder R1, resistance R1 one end connection data acquisition module output end, resistance R1 the other end connection capacitor C1, inductance L1 one
End, the other end ground connection of capacitor C1, one end of the other end connection capacitor C2 of inductance L1 and two-way adjust the input of amplifying circuit
End, the other end ground connection of capacitor C2.
3. electric-automation control system according to claim 2, it is characterised in that: the stabilizing output circuit includes fortune
Device A3 is put, the non-inverting input terminal connection two-way of transport and placing device A3 adjusts the output end of amplifying circuit, the inverting input terminal of transport and placing device A3
By the output end of capacitor C4 connection transport and placing device A3, one end of the output end connection resistance R8 of transport and placing device A3 and triode VT1's
Collector, the other end of resistance R8 connect the cathode of zener diode DZ1 with the base stage of triode VT1, zener diode DZ1's
The collector of plus earth, triode VT1 connects controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420428.1U CN208477348U (en) | 2018-08-31 | 2018-08-31 | A kind of electric-automation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420428.1U CN208477348U (en) | 2018-08-31 | 2018-08-31 | A kind of electric-automation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477348U true CN208477348U (en) | 2019-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821420428.1U Expired - Fee Related CN208477348U (en) | 2018-08-31 | 2018-08-31 | A kind of electric-automation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208477348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111642375A (en) * | 2020-06-16 | 2020-09-11 | 张艳枝 | Greening irrigation control system |
-
2018
- 2018-08-31 CN CN201821420428.1U patent/CN208477348U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111642375A (en) * | 2020-06-16 | 2020-09-11 | 张艳枝 | Greening irrigation control system |
| CN111642375B (en) * | 2020-06-16 | 2021-10-29 | 张艳枝 | Greening irrigation control system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20200831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |