CN213294182U - Filter paper cutting control system - Google Patents
Filter paper cutting control system Download PDFInfo
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- CN213294182U CN213294182U CN202021616236.5U CN202021616236U CN213294182U CN 213294182 U CN213294182 U CN 213294182U CN 202021616236 U CN202021616236 U CN 202021616236U CN 213294182 U CN213294182 U CN 213294182U
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- tension
- operational amplifier
- controller
- resistor
- filter paper
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Abstract
The utility model discloses a filter paper cutting control system, including receiving and releasing mechanism, tension roller and controller, the last tension sensor that is provided with of tension roller, tension sensor's detected signal send into the controller after keeping apart amplifier circuit and compensation stabilization circuit processing, keep apart amplifier circuit and utilize RC filtering principle to carry out low pass noise reduction to tension detected signal, reduce the peak noise that produces because of receiving and releasing mechanism mechanical vibration to the interference of detected signal, then send into and carry and put ware AR1 and follow the amplification, promote the driving force of detected signal; the compensation stabilizing circuit forms phase compensation in the operational amplifier process, so that the output waveform of the detection signal is well improved, the interruption of signal output is avoided, and the system error is reduced; the controller adjusts the rotating speed of a driving motor of the winding and unwinding mechanism, so that the winding tension value is always maintained at a system set value, accurate constant tension control is realized, and the quality of the filter paper cutting and slitting process is improved.
Description
Technical Field
The utility model relates to a filter paper processing production technical field especially relates to a control system is tailor to filter paper.
Background
Filter paper need tailor in process of production and cut, tailors the section and levels in order to guarantee that the filter paper book, needs carry out tension control to filter paper rolling process, and current filter paper tailors control system and controls through unreeling tension through the spool stopper, causes tension size inconstant, and the scroll diameter size of dividing and cutting is inconsistent, the section unevenness, and the maintenance rate is higher, inefficiency. And the tension sensor is adopted to realize constant tension control, so that the tension detection is unstable due to the mechanical vibration of the system, and the system control has errors.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a filter paper cutting control system.
The technical scheme for solving the problem is as follows: the utility model provides a control system is tailor to filter paper, is including receiving unwinding mechanism, tension roller and controller, is provided with tension sensor on the tension roller, tension sensor's detected signal is sent into after isolation amplifier circuit and compensation stabilizing circuit are handled in the controller, isolation amplifier circuit includes fortune ware AR1, fortune ware AR 1's homophase input end connecting resistance R1, R2, R3 and electric capacity C1's one end, resistance R1's the other end is connected tension sensor's signal output end, resistance R2's the other end is connected +5V power, resistance R3, electric capacity C1's other end ground connection, fortune ware AR 1's inverting input end passes through resistance R4 and connects fortune ware AR 1's output and zener diode DZ 1's negative pole, zener diode DZ 1's positive pole is connected the input of compensation stabilizing circuit, the controller is used for controlling unwinding mechanism's operating condition.
Preferably, the compensation stabilizing circuit comprises an operational amplifier AR2, an inverting input terminal of the operational amplifier AR2 is connected to an anode of the zener diode DZ1, and is connected to an output terminal of the operational amplifier AR2 through a resistor R5 and a capacitor C2 which are connected in parallel, a non-inverting input terminal of the operational amplifier AR2 is connected to a gate of the MOS transistor Q1, a drain of the MOS transistor Q1 is connected to the output terminal of the operational amplifier AR2, one end of the capacitor C3 and the controller through a resistor R6, and a source of the MOS transistor Q1 and the other end of the capacitor C3 are grounded.
Preferably, the controller is a PLC controller.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a tension sensor J1 real-time supervision rolling in-process filter paper surface tension, keep apart amplifier circuit and utilize RC filtering principle to carry out low pass noise reduction to tension detection signal, reduce the peak noise because of receiving unwinding mechanism mechanical oscillation production to the interference of detection signal, then send into and carry and put ware AR1 and follow the amplification, promote the driving force of detection signal;
2. the compensation stabilizing circuit forms phase compensation in the operational amplifier process, so that the output waveform of the detection signal is well improved, the interruption of signal output is avoided, and the system error is reduced;
3. the controller adjusts the rotating speed of a driving motor of the winding and unwinding mechanism, so that the winding tension value is always maintained at a system set value, accurate constant tension control is realized, and the quality of the filter paper cutting and slitting process is improved.
Drawings
Fig. 1 is a schematic circuit diagram 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 taken in conjunction with the accompanying fig. 1. 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 a control system is tailor to filter paper, is provided with tension sensor including receiving unwinding mechanism, tension roller and controller on the tension roller, and tension sensor's detected signal sends into in the controller after keeping apart amplifier circuit and compensation stabilization circuit processing. When the winding and unwinding mechanism is used specifically, the PLC is selected for use and used for controlling the working state of the winding and unwinding mechanism. The winding and unwinding mechanism comprises a reel, one end of the reel is connected with an output shaft of the magnetic powder brake through a coupler, an input shaft of the magnetic powder brake is connected with an output shaft of the reduction gearbox through the coupler, and the input shaft of the reduction gearbox is connected with a driving motor.
The tension sensor J1 monitors the surface tension of the filter paper in the winding process in real time, and the detection signal is firstly sent to an isolation amplifying circuit for processing. As shown in fig. 1, the isolation amplifying circuit includes an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to one end of resistors R1, R2, R3 and a capacitor C1, the other end of the resistor R1 is connected to a signal output terminal of the tension sensor, the other end of the resistor R2 is connected to a +5V power supply, the other ends of the resistor R3 and the capacitor C1 are grounded, an inverting input terminal of the operational amplifier AR1 is connected to an output terminal of the operational amplifier AR1 and a cathode of a zener diode DZ1 through a resistor R4, and an anode of the zener diode DZ1 is connected to an input terminal of the compensation stabilizing circuit.
The detection signal of the tension sensor J1 is sent into the RC filter formed by the resistor R1 and the capacitor C1 to be subjected to low-pass noise reduction, the interference of spike noise generated by mechanical vibration of the winding and unwinding mechanism on the detection signal is reduced, then the detection signal is sent into the operational amplifier AR1 to be subjected to follow amplification, the driving capability of the detection signal is improved, and finally the detection signal is sent into the compensation stabilizing circuit to be further processed after being subjected to amplitude stabilization through the voltage stabilizing diode DZ 1.
The compensation stabilizing circuit comprises an operational amplifier AR2, wherein the inverting input end of the operational amplifier AR2 is connected with the anode of a voltage stabilizing diode DZ1 and is connected with the output end of an operational amplifier AR2 through a resistor R5 and a capacitor C2 which are connected in parallel, the non-inverting input end of the operational amplifier AR2 is connected with the grid of a MOS transistor Q1, the drain of the MOS transistor Q1 is connected with the output end of the operational amplifier AR2, one end of a capacitor C3 and a controller through a resistor R6, and the source of the MOS transistor Q1 and the other end of the capacitor C3 are grounded.
Since the signal on the tension roller may be temporarily disappeared due to the mechanical vibration, thereby interrupting the output waveform of the tension detection signal, the compensation stabilizing circuit is adopted to perform the compensation processing on the detection signal. The resistor R5 and the capacitor C2 form phase compensation during the amplification process of the operational amplifier AR2, so that the output waveform of the detection signal can be improved well, the interruption of signal output is avoided, and the system error is reduced. Meanwhile, the MOS tube Q1 also plays a role in positive feedback regulation of signals output by the operational amplifier AR2, the stability of signal output is guaranteed, and finally the signals are filtered by the capacitor C3 and then sent to the PLC.
The utility model discloses when specifically using, the filter paper surface tension of tension sensor J1 real-time supervision rolling in-process, isolation amplifier circuit utilize the RC filtering principle to carry out the low pass to tension detected signal and fall and make an uproar, reduce the peak noise that produces because of receiving unwinding mechanism mechanical oscillation to detected signal's interference, then send into and carry and follow in the ware AR1 and enlarge, promote detected signal's driving force. The compensation stabilizing circuit forms phase compensation in the operational amplifier process, well improves the output waveform of the detection signal, avoids interruption of signal output and reduces system errors. And finally, the PLC calculates a real-time tension value after A/D conversion is carried out on an output signal of the compensation stabilizing circuit, and adjusts the rotating speed of a driving motor of the winding and unwinding mechanism, so that the winding tension value is always maintained at a system set value, accurate constant tension control is realized, and the quality of the filter paper cutting and slitting process 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 (3)
1. The utility model provides a control system is tailor to filter paper, is provided with tension sensor, its characterized in that including receiving unwinding mechanism, tension roll and controller on the tension roll: the detection signal of the tension sensor is sent into the controller after being processed by an isolation amplifying circuit and a compensation stabilizing circuit, the isolation amplifying circuit comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R1, a resistor R2, a resistor R3 and a capacitor C1, the other end of a resistor R1 is connected with the signal output end of the tension sensor, the other end of the resistor R2 is connected with a +5V power supply, the other ends of the resistor R3 and the capacitor C1 are grounded, the inverting input end of the operational amplifier AR1 is connected with the output end of the operational amplifier AR1 and the cathode of a voltage stabilizing diode DZ1 through a resistor R4, the anode of the voltage stabilizing diode DZ1 is connected with the input end of the compensation stabilizing circuit, and the controller is used for controlling.
2. The filter paper trimming control system according to claim 1, wherein: the compensation stabilizing circuit comprises an operational amplifier AR2, wherein the inverting input end of the operational amplifier AR2 is connected with the anode of a voltage stabilizing diode DZ1 and is connected with the output end of an operational amplifier AR2 through a resistor R5 and a capacitor C2 which are connected in parallel, the non-inverting input end of the operational amplifier AR2 is connected with the grid of a MOS tube Q1, the drain of the MOS tube Q1 is connected with the output end of the operational amplifier AR2, one end of the capacitor C3 and the controller through a resistor R6, and the source of the MOS tube Q1 is grounded with the other end of the capacitor C3.
3. The filter paper trimming control system according to claim 1 or 2, wherein: the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616236.5U CN213294182U (en) | 2020-08-06 | 2020-08-06 | Filter paper cutting control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616236.5U CN213294182U (en) | 2020-08-06 | 2020-08-06 | Filter paper cutting control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213294182U true CN213294182U (en) | 2021-05-28 |
Family
ID=76023606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021616236.5U Active CN213294182U (en) | 2020-08-06 | 2020-08-06 | Filter paper cutting control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213294182U (en) |
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2020
- 2020-08-06 CN CN202021616236.5U patent/CN213294182U/en active Active
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