CN208432915U - Corrugated paper dissolving tank concentration control system - Google Patents
Corrugated paper dissolving tank concentration control system Download PDFInfo
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- CN208432915U CN208432915U CN201821193250.1U CN201821193250U CN208432915U CN 208432915 U CN208432915 U CN 208432915U CN 201821193250 U CN201821193250 U CN 201821193250U CN 208432915 U CN208432915 U CN 208432915U
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Abstract
The corrugated paper of the utility model dissolving tank concentration control system, including Concentration Testing conditioning circuit, stirring driving circuit, water inlet driving circuit, Concentration Testing conditioning circuit are separately connected stirring driving circuit, water inlet driving circuit；The concentration control using fuzzy controls paper pulp such as PID, MATLAB is efficiently solved, has serious hysteresis effect, is difficult the problem of obtaining good control effect.The utility model structure is simple, quick response, position pulp density signal calculates mean concentration signal at three in the dissolving tank that will test, it is compared into comparator, high level is exported when concentration is high, trigger triode Q1 conducting, relay K1 coil obtain electric, normally opened contact K1-2 closure, stirring motor power supply is connected, paper pulp is stirred, normally opened contact K1-1 closure simultaneously, the high level for the certain time that mean concentration signal is converted through chip U1 controls, inlet valve motor power is connected, and water inlet is diluted paper pulp, and the concentration of paper pulp is controlled with this.
Description
Technical field
The utility model relates to pulp consistency control technical fields, control system more particularly to corrugated paper dissolving tank concentration
System.
Background technique
Corrugated paper is as packaging material since its compression strength is high, cushion performance is good, light-weight in industrial products and all kinds of
The numerous areas such as civilian commodity are widely applied, and the quality of corrugated paper depends not only on intermittent pulp proportioning, and (timber, careless class are fine
Dimension, mountain flour etc.) in various component contents it is accurate control and proportion, additionally depend on the concentration of paper pulp, the prior art mostly uses
The concentration of paper pulp is adjusted in the fuzzy controls such as PID, MATLAB, but it has serious hysteresis effect, is difficult to obtain good control
Effect processed.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the utility model is designed to provide corrugated paper with molten
Tank concentration control system is solved, the concentration control using the fuzzy controls paper pulp such as PID, MATLAB is efficiently solved, has serious
Hysteresis effect is difficult the problem of obtaining good control effect.
Its technical solution solved is, including Concentration Testing conditioning circuit, stirring driving circuit, water inlet driving circuit,
It is characterized in that, Concentration Testing conditioning circuit is separately connected stirring driving circuit, water inlet driving circuit；
The water inlet driving circuit includes chip U1, and the pin 6 and pin 7 of chip U1 is being separately connected electrolytic capacitor E1 just
Pole, resistance R11 one end, the other end of resistance R11 connects the one end relay K1 normally opened contact K1-1, relay K1 normally opened contact
The K1-1 other end connect operational amplifier AR2 non-inverting input terminal, pin 4, pin 2, the pin 8 of chip U1 be all connected with power supply+
The pin 1 of 5V, chip U1 connect ground, and the pin 5 of chip U1 connects the anode of electrolytic capacitor E2, the cathode connection of electrolytic capacitor E2
Ground, the pin 3 of chip U1 are separately connected the anode of the anode of diode D2, the base stage of triode Q2, electrolytic capacitor E3, triode
The emitter of Q2 connected with the cathode of electrolytic capacitor E3 ground, diode D2 cathode connected with the relay K2 other end enclosed power supply+
12V, relay K2 normally opened contact one end connect power supply+24V, and the relay K2 normally opened contact other end connects inlet valve motor power
The pin 2 of the pin 1 of J2, inlet valve motor power J2 connects ground；
The stirring driving circuit includes triode Q1, and the base stage of triode Q1 passes through resistance R9 connection operational amplifier
The output end of AR2, the collector of triode Q1 are separately connected one end of the anode of diode D1, relay K1 coil, diode
The cathode of D1 connects power supply+12V with the other end of relay K1 coil, the one end normally opened contact K1-2 relay K1 connect power supply+
24V, the relay K1 normally opened contact K1-2 other end connect the pin 1 of stirring motor power supply J1, the pin 2 of stirring motor power supply J1
Connection ground.
The utility model structure is simple, quick response, three in the dissolving tank of detection at position pulp density signal enter fortune
The addition ratio circuit that amplifier AR1 is core is calculated, mean concentration signal is calculated, operational amplifier is entered after LC is filtered
The non-inverting input terminal of AR2 is compared with inverting input terminal normal concentration signal, and when concentration is high, operational amplifier AR2 output is high
Level, triode Q1 conducting, relay K1 coil obtain electric, normally opened contact K1-1 closure, and inlet valve motor power is connected, water inlet pair
Paper pulp is diluted, wherein the high level for the certain time that the amount intake is converted by mean concentration signal through chip U1 controls, together
When normally opened contact K1-2 be closed, stirring motor power supply connect, paper pulp is stirred, the concentration of paper pulp is controlled with this.
Detailed description of the invention
Fig. 1 is the circuit connection schematic diagram of the utility model.
Fig. 2 is the circuit connection module map 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 figure
In the detailed description of 2 pairs of embodiments, can clearly it present.The structure content being previously mentioned in following embodiment is with explanation
Book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, corrugated paper dissolving tank concentration control system, in the dissolving tank that Concentration Testing conditioning circuit will test
Position pulp density signal calculates mean concentration signal at three, is compared into the comparator that operational amplifier AR2 is core
Compared with, high level is exported when concentration is high, then into stirring driving circuit, trigger triode Q1 conducting, relay K1 coil obtain it is electric,
Normally opened contact K1-2 closure, stirring motor power supply are connected, are stirred to paper pulp, while normally opened contact K1-1 is closed, average dense
Degree signal enters water inlet driving circuit, and inlet valve motor power is connected, and water inlet is diluted paper pulp, wherein the amount intake is by putting down
The high level control for the certain time that equal concentration signal is converted through chip U1, the concentration of paper pulp is controlled with this；The water inlet driving
Circuit is used to be converted to mean concentration signal the high level signal of corresponding time, and relay K2 coil is made to obtain electric, turn on automatically
Inlet valve motor power, water inlet is diluted paper pulp, including NE555 chip U1, the closed normally opened touching of mean concentration signal
Point K1-1, resistance R11, NE555 chip U1, electrolytic capacitor E1 and E2 are converted to the+5V high level signal of certain time, at this time
NE555 chip U1 is used as voltage-time converter, and resistance R11 and electrolytic capacitor E1 are that the time of voltage-time converter is normal
Number, in a time constant, the size conversion of the mean concentration signal of NE555 chip U1 input makes NE555 chip U1's
Output pulse width is directly proportional to input signal, since the pin 2 of NE555 U1 chip connects high level+5V, NE555 chip U1
The corresponding ratio duration of output high level, provide base bias for NPN type driving triode Q2, driving triode Q2 is saturated and leads
Logical, relay K2 coil obtains electric, normally opened contact closure, the connection of inlet valve motor power, and water inlet is diluted paper pulp；It is described to stir
Mix driving circuit for pulp density it is high when receive high level when, triode Q1 triggering and conducting, relay K1 coil obtain it is electric,
Normally opened contact K1-2 closure, stirring motor power supply are connected, are stirred to paper pulp, including triode Q1, the base stage of triode Q1
By the output end of resistance R9 connection operational amplifier AR2, the collector of triode Q1 be separately connected diode D1 anode, after
The cathode of one end of electric appliance K1 coil, diode D1 connects power supply+12V with the other end of relay K1 coil, and relay K1 is normal
Contact one end K1-2 connection power supply+24V is opened, the relay K1 normally opened contact K1-2 other end connects the pin of stirring motor power supply J1
The pin 2 of 1, stirring motor power supply J1 connect ground.
Embodiment two, on the basis of example 1, three in the dissolving tank that the Concentration Testing conditioning circuit will test at
Position pulp density signal (can be detected, this is the prior art, herein no longer in detail by the pulp density instrument of model HYD-3
State) enter the addition ratio circuit that operational amplifier AR1 is core, mean concentration signal is calculated, fortune is entered after LC is filtered
The non-inverting input terminal for calculating amplifier AR2 is compared with inverting input terminal normal concentration signal, when concentration is high, operational amplifier
AR2 export high level, including operational amplifier AR1, operational amplifier AR1 non-inverting input terminal by resistance R4 connection, transport
The inverting input terminal for calculating amplifier AR1 is separately connected the right end of resistance R1, the right end of resistance R2, the right end of resistance R3, resistance R5
Left end, resistance R1 left end connection pulp density instrument detection dissolving tank center, that is, A point concentration signal, a left side of resistance R2
Dissolving tank marginal position, that is, B point concentration signal of end connection pulp density instrument detection, the left end of resistance R3 connect pulp density instrument
The dissolving tank discharge port position of detection, that is, C point concentration signal, the right end of resistance R5 are separately connected the output of operational amplifier AR1
It holds, one end of resistance R6, one end of the other end connection inductance L1 of resistance R6, the other end of inductance L1 is separately connected ground capacity
One end of C1, one end of ground resistance R10, operational amplifier AR2 non-inverting input terminal, the anti-phase input of operational amplifier AR2
The adjustable end of end connection potentiometer RP1, one end of the right end connection resistance R7 of potentiometer RP1, the other end of resistance R7 connect respectively
The cathode of voltage-stabiliser tube Z1, one end of resistance R8 are connect, the other end of resistance R8 connects power supply+5V, the anode and current potential of voltage-stabiliser tube Z1
The left end of device RP1 connects ground, and the end VCC of operational amplifier AR2 connects power supply+5V, and the end GND of operational amplifier AR2 connects ground.
When the utility model is specifically used, three in the dissolving tank of detection at position pulp density signal (can be by model
The pulp density instrument of HYD-3 is detected, this is the prior art, and this will not be detailed here) enter operational amplifier AR1 for core
Addition ratio circuit adjusts resistance R5 adjustable proportion multiple, is set as 1/3 herein, calculates mean concentration signal, filter through LC
Into the non-inverting input terminal of operational amplifier AR2 and inverting input terminal normal concentration signal (by resistance R7, resistance R8, electricity after wave
The bleeder circuit offer of position device RP1, voltage-stabiliser tube Z1 composition) it is compared, when concentration is high, operational amplifier AR2 exports high level,
Triode Q1 triggering and conducting, relay K1 coil obtain electric, normally opened contact K1-2 closure, and stirring motor power supply is connected, to paper pulp into
Row stirring, while normally opened contact K1-1 is closed, mean concentration signal enters water inlet driving circuit, and inlet valve motor power is connected,
Water inlet is diluted paper pulp, wherein the high level control for the certain time that the amount intake is converted by mean concentration signal through chip U1
System, the concentration of paper pulp is controlled with this.
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 (2)
1. corrugated paper dissolving tank concentration control system, including Concentration Testing conditioning circuit, stirring driving circuit, water inlet driving electricity
Road, which is characterized in that Concentration Testing conditioning circuit is separately connected stirring driving circuit, water inlet driving circuit；
The water inlet driving circuit includes chip U1, the pin 6 and pin 7 of chip U1 be separately connected the anode of electrolytic capacitor E1,
The other end of one end of resistance R11, resistance R11 connects the one end relay K1 normally opened contact K1-1, relay K1 normally opened contact K1-
1 other end connects the non-inverting input terminal of operational amplifier AR2, and pin 4, pin 2, the pin 8 of chip U1 is all connected with power supply+5V,
The pin 1 of chip U1 connects ground, and the pin 5 of chip U1 connects the anode of electrolytic capacitor E2, and the cathode of electrolytic capacitor E2 connects ground,
The pin 3 of chip U1 is separately connected the anode of the anode of diode D2, the base stage of triode Q2, electrolytic capacitor E3, triode Q2
Emitter connected with the cathode of electrolytic capacitor E3 ground, diode D2 cathode connected with the relay K2 other end enclosed power supply+
12V, relay K2 normally opened contact one end connect power supply+24V, and the relay K2 normally opened contact other end connects inlet valve motor power
The pin 2 of the pin 1 of J2, inlet valve motor power J2 connects ground；
The stirring driving circuit includes triode Q1, and the base stage of triode Q1 passes through resistance R9 connection operational amplifier AR2's
Output end, the collector of triode Q1 are separately connected one end of the anode of diode D1, relay K1 coil, and diode D1's is negative
Pole connects power supply+12V with the other end of relay K1 coil, and the one end normally opened contact K1-2 relay K1 connects power supply+24V, after
The electric appliance K1 normally opened contact K1-2 other end connects the pin 1 of stirring motor power supply J1, and the pin 2 of stirring motor power supply J1 connects
Ground.
2. corrugated paper according to claim 1 dissolving tank concentration control system, which is characterized in that the Concentration Testing tune
Reason circuit includes operational amplifier AR1, the non-inverting input terminal of operational amplifier AR1 by resistance R4 connection, operational amplifier
The inverting input terminal of AR1 is separately connected the left end of the right end of resistance R1, the right end of resistance R2, the right end of resistance R3, resistance R5, electricity
Dissolving tank center, that is, A point concentration signal of the left end connection pulp density instrument detection of R1 is hindered, the left end of resistance R2 connects paper
Dissolving tank marginal position, that is, B point concentration signal of concentration meter detection is starched, the left end connection pulp density instrument of resistance R3 detects molten
Tank discharge port position, that is, C point concentration signal is solved, the right end of resistance R5 is separately connected the output end of operational amplifier AR1, resistance R6
One end, resistance R6 the other end connection inductance L1 one end, the other end of inductance L1 be separately connected ground capacity C1 one end,
One end of ground resistance R10, operational amplifier AR2 non-inverting input terminal, the inverting input terminal of operational amplifier AR2 connects current potential
The adjustable end of device RP1, one end of the right end connection resistance R7 of potentiometer RP1, the other end of resistance R7 are separately connected voltage-stabiliser tube Z1
Cathode, resistance R8 one end, the other end of resistance R8 connects power supply+5V, the anode of voltage-stabiliser tube Z1 and the left end of potentiometer RP1
Connection ground, the end VCC of operational amplifier AR2 connect power supply+5V, and the end GND of operational amplifier AR2 connects ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193250.1U CN208432915U (en) | 2018-07-26 | 2018-07-26 | Corrugated paper dissolving tank concentration control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193250.1U CN208432915U (en) | 2018-07-26 | 2018-07-26 | Corrugated paper dissolving tank concentration control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208432915U true CN208432915U (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821193250.1U Active CN208432915U (en) | 2018-07-26 | 2018-07-26 | Corrugated paper dissolving tank concentration control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422222A (en) * | 2023-06-13 | 2023-07-14 | 福建德尔科技股份有限公司 | Flow control system for automatically mixing fluorine gas and nitrogen gas |
-
2018
- 2018-07-26 CN CN201821193250.1U patent/CN208432915U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422222A (en) * | 2023-06-13 | 2023-07-14 | 福建德尔科技股份有限公司 | Flow control system for automatically mixing fluorine gas and nitrogen gas |
| CN116422222B (en) * | 2023-06-13 | 2023-09-01 | 福建德尔科技股份有限公司 | Flow control system for automatically mixing fluorine gas and nitrogen gas |
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