CN109656191A - It is a kind of for extending the control system of the soft roller roll surface service life of roller class pressure area - Google Patents
It is a kind of for extending the control system of the soft roller roll surface service life of roller class pressure area Download PDFInfo
- Publication number
- CN109656191A CN109656191A CN201811303799.6A CN201811303799A CN109656191A CN 109656191 A CN109656191 A CN 109656191A CN 201811303799 A CN201811303799 A CN 201811303799A CN 109656191 A CN109656191 A CN 109656191A
- Authority
- CN
- China
- Prior art keywords
- pin
- route
- current node
- connect
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/02—Rolls; Their bearings
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35349—Display part, programmed locus and tool path, traject, dynamic locus
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The present invention relates to roller class pressure area condensation technique fields, provide a kind of for extending the control system of the soft roller roll surface service life of roller class pressure area, including data processing unit, cleaning device control unit, vibrating sensor and speed probe；Data processing unit carries out preliminary treatment for obtaining the collected vibration data of vibrating sensor and the collected rotary speed data of speed probe；The vibration data and rotary speed data that cleaning device control unit is sent to data processing unit are compared, judge the roll surface state of the soft roller of pressure area, when determining the roll surface exception of the soft roller of pressure area, controls online cleaning device and the soft roller surface of pressure area is cleaned immediately, thus the problem that the soft roller roll surface service life of pressure area is short, it improves service life, meanwhile roll change frequency is reduced, reduce maintenance load, roll surface processing cost has been saved, the production time is increased.
Description
Technical field
It is specially a kind of to be used for extending the soft roller roll surface of roller class pressure area the present invention relates to roller class pressure area condensation technique field
The control system in service life.
Background technique
In the rollers class equipment running process such as paper industry sizing applicator, calender, the roller class pressure area as caused by a variety of causes
The defects of soft roller roll surface is abnormal, and it is big to will lead to nip-vibration, in turn results in a time trace/zebra-stripe, influences product quality, in papermaking row
The performance of the rollers class pressure area pressing position such as industry sizing applicator, calender is particularly evident.
Currently, for above-mentioned the defects of causing a time trace/zebra-stripe, the problem of influencing product quality, conventional solution is
Roll change, lower machine handle roll surface, but the scheme of roll change, lower machine processing roll surface is used to need to shut down, and shut down plus maintenance and replacement
Pressure roller operation, extends the plant maintenance time, to reduce the production time, increase maintenance load and roll surface processing cost.
Summary of the invention
In order to overcome the defect of the prior art as indicated above, the present inventor has made intensive studies this, is paying
After a large amount of creative works, so as to complete the present invention.
Specifically, the technical problems to be solved by the present invention are: providing a kind of for extending the soft roller roll surface of roller class pressure area
The control system of service life, it is intended to solve to need to shut down using the scheme of roll change, lower machine processing roll surface in the prior art, shut down
In addition maintenance and replacement pressure roller operation, extend the plant maintenance time, reduces the production time, increases maintenance load and roll surface processing
The technical issues of expense.
In order to solve the above technical problems, the technical scheme is that
It is a kind of for extending the control system of the soft roller roll surface service life of roller class pressure area, including data processing unit, cleaning
Device control units and the vibrating sensor and speed probe that the soft roller both ends of pressure area are set, in which:
The vibrating sensor is acquired for the vibration data to the soft roller of the pressure area；
The speed probe is acquired for the rotary speed data to the soft roller of the pressure area；
The data processing unit, respectively with the vibrating sensor, speed probe and cleaning device control unit
Connection, for obtaining the collected vibration data of the vibrating sensor and the collected rotary speed data of the speed probe,
And preliminary treatment is carried out to collected vibration data and rotary speed data, while by the vibration data after preliminary treatment and turning
Fast data transmission gives the cleaning device control unit；
The cleaning device control unit, connect with online cleaning device, for being sent to the data processing unit
Vibration data and rotary speed data be compared, the roll surface state of the soft roller of the pressure area is judged, when determining that the pressure area is soft
When the roll surface exception of roller, controls the online cleaning device and the soft roller surface of the pressure area is cleaned immediately.
As an improvement scheme, the data processing unit include front end signal processing circuit, acquisition chip and
Peripheral circuit, in which:
The front end signal processing circuit, connect with the vibrating sensor and speed probe, for being the vibration
Sensor, speed probe power supply, while the collected vibration signal of the vibrating sensor and the speed probe being adopted
The tach signal collected is converted to differential signal, and the differential signal of generation is delivered to the acquisition chip；
The acquisition chip is connect with the front end signal processing circuit, cleaning device control unit, for the difference
Sub-signal carries out preliminary treatment, and gives the data transmission after preliminary treatment to the cleaning device control unit；
The peripheral circuit is connect with the acquisition chip, for providing filtering, clock for the acquisition chip and answering
Bit manipulation.
As an improvement scheme, the front end signal processing circuit include signal conversion circuit, voltage signal driving
Circuit and differential signal generative circuit；
The signal conversion circuit is connect with the vibrating sensor and speed probe, for being the vibrating sensing
Device, speed probe power supply, while the collected vibration signal of the vibrating sensor and the speed probe being collected
Tach signal be converted to voltage signal；
The voltage signal driving circuit, connect with the signal conversion circuit, for turning to the signal conversion circuit
The voltage signal got in return carries out driving capability reinforcement, generates amplified signal；
The differential signal generative circuit is connect with the voltage signal driving circuit, the amplification for that will generate
Signal carries out voltage signal conversion, generates differential signal, and go out the differential signal of generation to be sent to the acquisition chip.
As an improvement scheme, the signal conversion circuit includes connector interface P11, the connector interface
P11 is equipped with pin 1 and pin 2, and the route that the pin 1 of the connector interface P11 is drawn is sequentially connected in series toggle switch S11 and perseverance
Connection+24V output end after stream diode the D11 ,+24V output end connect the vibrating sensor, speed probe；
Route between the pin 1 of the connector interface P11 and the toggle switch S11 is equipped with the first circuit section
Point, the route that first circuit node is drawn are equipped with for the vibration signal and tach signal to be converted to voltage signal
Acceleration transducer, the rear end of the acceleration transducer is grounded after being sequentially connected in series capacitor C15 and resistance R11.
As an improvement scheme, the voltage signal driving circuit includes driving chip U11 and toggle switch S12；
The driving chip U11 is equipped with pin+INA, pin-INA, pin OUTA, pin OUTB, pin OUTC, pin
OUTD, pin+IND, pin-IND, pin V+, pin V-, pin+INB, pin-INB, pin+INC, pin-INC；
The toggle switch S12 is equipped with pin 0, pin 1, pin 2, pin 3, pin 4 and pin 5；
Route between the capacitor C15 and resistance R11 is equipped with second circuit node, and the second circuit node is drawn
Route connect with the pin+INA, the route that the pin OUTA and the pin-INA are drawn is opened with the dial-up respectively
The pin 0, pin 1, pin 2 for closing S12 connect, and the route that pin 3, pin 4, the pin 5 of the toggle switch are drawn is gone here and there respectively
It is connect after connecting resistance R14, R13, R12 with 1B signal end, the route that the pin+IND is drawn is connect with 1D signal end, described
The route that the pin OUTD and pin-IND is drawn is connect with IE signal end.
As an improvement scheme, the differential signal generative circuit includes amplification chip U12, the amplification chip
U12 is equipped with pin+IN0.8X, pin-IN0.8X, pin+IN0.4X, pin-IN0.4X, pin+VS, pin-VS, pin
VCOM, pin NC, pin+OUT and pin-OUT；
Pin+the OUT, pin-OUT are connect with the acquisition chip, the pin+IN0.8X and the IE signal end
Connection.
As an improvement scheme, the acquisition chip U15 be equipped with pin IOVDD, pin DREGCAP, pin DGND,
Pin AVSSIA, pin AVDD1A, pin AVSSIB, pin AVDD1B, pin REF1+, pin REF1-, pin REF2+ and
Pin REF2-.
As an improvement scheme, the peripheral circuit includes the power supply filtered electrical connecting respectively with the acquisition chip
Road, reset circuit and outer clock circuit.
As an improvement scheme, the power supply filter circuit includes the first filter circuit, the second filter circuit and the
Three filter circuits, in which:
First filter circuit includes on the route being serially connected between the pin IOVDD and the pin DREGCAP
Capacitor C50 and capacitor C51, route between the pin IOVDD and the capacitor C50 is equipped with the first current node, institute
State the first current node extraction route serial capacitance C49 after connect with the pin DGND, the pin DREGCAP with it is described
Route between capacitor C51 is equipped with the second current node, after the route serial capacitance C57 that second current node is drawn with
The pin DGND connection, the route between the capacitor C50 and capacitor C51 are equipped with third current node, the third electricity
The route that stream node is drawn is connect with the DGND；
Second filter circuit includes on the route being serially connected between the pin AVDD1A and the pin AVDD1B
Capacitor C78 and capacitor C53, route between the pin AVDD1A and the capacitor C78 is equipped with the 4th current node, institute
The route stated between capacitor C78 and the capacitor C53 is equipped with the 5th current node and the 6th current node, the pin
Route between AVDD1B and the capacitor C53 is equipped with the 7th current node, the route string that the 4th current node is drawn
It is connect after meeting capacitor C82 with the 5th current node, other one article of route that the 5th current node is drawn draws with described
Foot AVSSIA connection is connect after the route serial capacitance C54 that the 7th current node is drawn, institute with the 6th current node
The other one article of route for stating the extraction of the 6th current node is connect with the pin AVSSIB, the capacitor C82 and the 4th electricity
The route between node is flowed equipped with the 8th current node, on the route between the capacitor C54 and the 7th current node
Equipped with the 9th circuit node, the route that the 8th circuit node is drawn is connect with the 9th circuit node；
The third filter circuit includes on the route being serially connected between the pin REF1+ and the pin REF2+
Capacitor C346 and capacitor C338, the route between the pin REF1+ and the capacitor C346 are equipped with the tenth current node, institute
It states the route between capacitor C338 and the capacitor C346 and is equipped with the 11st current node and the 12nd current node, it is described to draw
Route between foot REF2+ and the capacitor C338 is equipped with the 13rd current node, the line that the tenth current node is drawn
It is connect after the serial capacitance C345 of road with the 11st current node, other one article of route that the 11st current node is drawn
It is connect with the pin REF1-, it is electric with the described 12nd after the route serial capacitance C337 that the 13rd current node is drawn
Node connection is flowed, other one article of route that the 12nd current node is drawn is connect with the pin REF2-, the capacitor
Route between C345 and the tenth current node is equipped with the 14th current node, the capacitor C337 and the described 13rd
Route between current node is equipped with the 18th current node, the route and the described tenth that the 14th circuit node is drawn
The connection of eight current nodes.
As an improvement scheme, the reset circuit includes reset switch S1, one end of reset switch S1 string
It is connect after connecting resistance R98 with the pin IOVDD, the other end is connect with the pin DGND；
Route between the resistance R98 and the reset switch S1 is equipped with the 15th current node, the pin
Route between DGND and the reset switch S1 is equipped with the 16th current node, the line that the 15th current node is drawn
After the serial capacitance C70 of road with the 16th current node.
As an improvement scheme, the outer clock circuit includes source crystal oscillator X1, described to have source crystal oscillator X1 to be equipped with
Stitch VDD, stitch O/P, stitch EN and stitch GND, the stitch VDD are connect with the IOVDD, the stitch VDD with it is described
Route between IOVDD is equipped with the 17th current node, the route and the stitch EN that the 17th current node is drawn
Connection, the stitch GND are connect with the pin DGND.
In embodiments of the present invention, the control system for extending the soft roller roll surface service life of roller class pressure area includes at data
Unit, cleaning device control unit, vibrating sensor and speed probe are managed, vibrating sensor is for the vibration to the soft roller of pressure area
Data are acquired；Speed probe is acquired for the rotary speed data to the soft roller of pressure area；Data processing unit, respectively with
Vibrating sensor, speed probe and the connection of cleaning device control unit, for obtaining the collected vibration of vibrating sensor
Data and the collected rotary speed data of speed probe, and preliminary treatment is carried out to collected vibration data and rotary speed data,
Simultaneously by after preliminary treatment vibration data and rotary speed data send cleaning device control unit to；Cleaning device control unit,
It being connect with online cleaning device, the vibration data and rotary speed data for being sent to data processing unit are compared,
The roll surface state for judging the soft roller of pressure area controls online cleaning device to the soft roller of pressure area when determining the roll surface exception of the soft roller of pressure area
Surface is cleaned immediately, so that the problem that the soft roller roll surface service life of pressure area is short, improves service life, meanwhile, it reduces and changes
Roller frequency, reduces maintenance load, has saved roll surface processing cost, has increased the production time.
Detailed description of the invention
Fig. 1 is the structural representation provided by the present invention for extending the control system of the soft roller roll surface service life of roller class pressure area
Figure；
Fig. 2 is the structural block diagram of data processing unit provided by the invention；
Fig. 3 is the circuit diagram of front end signal processing circuit provided by the invention；
Fig. 4 is the circuit diagram of acquisition chip provided by the invention；
Fig. 5 is the circuit diagram of peripheral circuit provided by the invention；
Fig. 6 is the structural block diagram of power supply filter circuit provided by the invention；
Wherein, 1, data processing unit, 2, cleaning device control unit, 3, vibrating sensor, 4, speed probe, 5, preceding
End signal processing circuit, 6, acquisition chip, 7, peripheral circuit, 8, signal conversion circuit, 9, voltage signal driving circuit, 10, poor
Sub-signal generative circuit, 11, power supply filter circuit, 12, reset circuit, 13, outer clock circuit, the 14, first filter circuit,
15, the second filter circuit, 16, third filter circuit, the 17, first circuit node, 18, second circuit node, the 19, first electric current
Node, the 20, second current node, 21, third current node, the 22, the 4th current node, the 23, the 5th current node, the 24, the 6th
Current node, the 25, the 7th current node, the 26, the 8th current node, the 27, the 9th current node, the 28, the tenth current node, 29,
11st current node, the 30, the 12nd current node, the 31, the 13rd current node, the 32, the 14th current node, the 33, the tenth
Five current nodes, the 34, the 16th current node, the 35, the 17th current node, 36, online cleaning device, the 37, the 18th electric current
Node.
Specific embodiment
Below with reference to specific embodiment, the present invention is further described.But the purposes and mesh of these exemplary embodiments
Be only used to enumerate the present invention, any type of any restriction not is constituted to real protection scope of the invention, it is more non-to incite somebody to action this
The protection scope of invention is confined to this.
Fig. 1 is provided in an embodiment of the present invention for extending the knot of the control system of the soft roller roll surface service life of roller class pressure area
Structure schematic diagram only gives part related to the embodiment of the present invention for ease of description in figure.
Control system for extending the soft roller roll surface service life of roller class pressure area includes data processing unit 1, cleaning device
Control unit 2 and the vibrating sensor 3 and speed probe 4 that the soft roller both ends of pressure area are set, in which:
The vibrating sensor 3 is acquired for the vibration data to the soft roller of the pressure area；
The speed probe 4 is acquired for the rotary speed data to the soft roller of the pressure area；
The data processing unit 1 is controlled with the vibrating sensor 3, speed probe 4 and cleaning device single respectively
Member 2 connects, for obtaining the collected vibration data of the vibrating sensor 3 and the collected revolving speed of the speed probe 4
Data, and preliminary treatment carried out to collected vibration data and rotary speed data, while by the vibration number after preliminary treatment
The cleaning device control unit 2 is sent to according to rotary speed data；
The cleaning device control unit 2 is connect with online cleaning device 36, for passing to the data processing unit 1
Send to vibration data and rotary speed data be compared, the roll surface state of the soft roller of the pressure area is judged, when determining the pressure
When the roll surface exception of the soft roller in area, controls the online cleaning device and the soft roller surface of the pressure area is cleaned immediately.
Wherein, which is conventional cleaning device, and details are not described herein.
As shown in Fig. 2, the data processing unit 1 includes front end signal processing circuit 5, acquisition chip 6 and periphery electricity
Road 7, in which:
The front end signal processing circuit 5 is connect with the vibrating sensor 3 and speed probe 4, for being the vibration
Dynamic sensor 3, speed probe 4 are powered, while by the collected vibration signal of the vibrating sensor 3 and the revolution speed sensing
The collected tach signal of device 4 is converted to differential signal, and the differential signal of generation is delivered to the acquisition chip 6；
The acquisition chip 6 is connect with the front end signal processing circuit 5, cleaning device control unit 2, for institute
It states differential signal and carries out preliminary treatment, and give the data transmission after preliminary treatment to the cleaning device control unit 2；
The peripheral circuit 7 is connect with the acquisition chip 6, for for the acquisition chip 6 provide filtering, clock with
And reset operation.
In this embodiment, the front end signal processing circuit 5 includes signal conversion circuit 8, voltage signal driving circuit 9
And differential signal generative circuit 10；
The signal conversion circuit 8 is connect with the vibrating sensor 3 and speed probe 4, for passing for the vibration
Sensor 3, speed probe 4 are powered, while by the collected vibration signal of the vibrating sensor 3 and the speed probe 4
Collected tach signal is converted to voltage signal；
The voltage signal driving circuit 9 is connect with the signal conversion circuit 8, for the signal conversion circuit 8
The voltage signal being converted to carries out driving capability reinforcement, generates amplified signal；
The differential signal generative circuit 10 is connect with the voltage signal driving circuit 9, for putting described in generating
Big signal carries out voltage signal conversion, generates differential signal, and go out the differential signal of generation to be sent to the acquisition core
Piece 6.
In embodiments of the present invention, as shown in figure 3, signal conversion circuit 8 includes connector interface P11, the connector
Interface P11 is equipped with pin 1 and pin 2, and the route that the pin 1 of the connector interface P11 is drawn is sequentially connected in series toggle switch S11
With connection+24V output end after current regulator diode D11 ,+24V the output end connects the vibrating sensor 3, speed probe
4；
Route between the pin 1 of the connector interface P11 and the toggle switch S11 is equipped with the first circuit node
17, the route that first circuit node 17 is drawn is equipped with for the vibration signal and tach signal to be converted to voltage letter
Number acceleration transducer, the rear end of the acceleration transducer is grounded after being sequentially connected in series capacitor C15 and resistance R11；
Voltage signal driving circuit 9 includes driving chip U11 and toggle switch S12；
The driving chip U11 is equipped with pin+INA, pin-INA, pin OUTA, pin OUTB, pin OUTC, pin
OUTD, pin+IND, pin-IND, pin V+, pin V-, pin+INB, pin-INB, pin+INC, pin-INC；
The toggle switch S12 is equipped with pin 0, pin 1, pin 2, pin 3, pin 4 and pin 5；
Route between the capacitor C15 and resistance R11 is equipped with second circuit node 18, the second circuit node 18
The route of extraction is connect with the pin+INA, the route that the pin OUTA and the pin-INA are drawn respectively with it is described
Pin 0, pin 1, the pin 2 of toggle switch S12 connects, the route that pin 3, pin 4, the pin 5 of the toggle switch are drawn
It being connect after series resistor R14, R13, R12 with 1B signal end respectively, the route that the pin+IND is drawn is connect with 1D signal end,
The route that the pin OUTD and pin-IND is drawn is connect with IE signal end；
The differential signal generative circuit 10 include amplification chip U12, the amplification chip U12 be equipped with pin+IN0.8X,
Pin-IN0.8X, pin+IN0.4X, pin-IN0.4X, pin+VS, pin-VS, pin VCOM, pin NC, pin+OUT
And pin-OUT；
Pin+the OUT, pin-OUT are connect with the acquisition chip 6, the pin+IN0.8X and the IE signal
End connection.
In this embodiment, the model AD8475BRMZ of amplification chip U12, the model of driving chip U11
OP4177ARU, toggle switch S11 are SW-SPST, and toggle switch S12 is BM3P, naturally it is also possible to use other models, herein
It repeats no more.
In this embodiment, by current regulator diode D11 and 1PIN toggle switch to acceleration vibrating sensor 3 and revolving speed
Sensor 4 is powered, and device signal is converted into corresponding voltage signal by acceleration transducer, and voltage signal passes through a 10UF
Capacitor, the Dc bias being superimposed upon on signal is filtered out, in capacitor rear end by the resistance eutral grounding of a 100K, is then led to
The chip OP4177ARU that overdrives enhances the driving capability of voltage signal, then passes through the toggle switch S12 of a 3PIN, and
Resistance R12, R13, R14, R15 form one signal can be zoomed into 3 kinds of optional enlargement ratios (1 times, 10 times, 50
Times), enlargement ratio can be selected accordingly according to signal kinds, if tach signal is the pulse signal of 0-5V, so that it may which selection is put
Big multiplying power is 1 times, meets the requirement of the acquisition chip 6 of rear end；If vibration signal is the voltage signal of MV rank, so that it may select
Selecting enlargement ratio is the 10 times or 50 times requirements come the acquisition chip 6 for meeting rear end；Capacitor C11, C12, C13, C14 are driving cores
The power supply filter capacitor of piece OP4177ARU improves power supply quality.12,13,14 pin functions of driving chip OP4177ARU will
The driving capability of voltage signal enhances, and will be signally attached to 1 foot of amplification chip AD8475BRMZ, 10 feet, amplification chip
AD8475BRMZ effect is that the single-ended voltage signal of sensor output is converted into differential signal, for 6 signal acquisition of acquisition chip,
Because it is differential signal that acquisition chip 6, which requires input signal,.
In embodiments of the present invention, as shown in figure 4, acquisition chip 6U15 is equipped with pin IOVDD, pin DREGCAP, draws
Foot DGND, pin AVSSIA, pin AVDD1A, pin AVSSIB, pin AVDD1B, pin REF1+, pin REF1-, pin
REF2+ and pin REF2-；
It include also other pins on certain acquisition chip 6, details are not described herein, wherein the model of the acquisition chip 6
AD7768, is the slim quad flat package LQFP of a 64 pin, the channel 24BIT8, synchronized sampling high speed, high bandwidth AD adopt
Collect chip.
In conjunction with shown in Fig. 2 and Fig. 5, peripheral circuit 7 includes the power supply filter circuit connecting respectively with the acquisition chip 6
11, reset circuit 12 and outer clock circuit 13；
In this embodiment, as shown in fig. 6, power supply filter circuit 11 includes the first filter circuit 14, the second filter circuit
15 and third filter circuit 16, in which:
As shown in figure 5, the first filter circuit 14 includes being serially connected between the pin IOVDD and the pin DREGCAP
Route on capacitor C50 and capacitor C51, route between the pin IOVDD and the capacitor C50 is equipped with the first electricity
Node 19 is flowed, is connect after the route serial capacitance C49 that first current node 19 is drawn with the pin DGND, the pin
Route between DREGCAP and the capacitor C51 is equipped with the second current node 20, the line that second current node 20 is drawn
It is connect after the serial capacitance C57 of road with the pin DGND, the route between the capacitor C50 and capacitor C51 is equipped with third electricity
Node 21 is flowed, the route that the third current node 21 is drawn is connect with the DGND；
As shown in figure 5, the second filter circuit 15 includes being serially connected between the pin AVDD1A and the pin AVDD1B
Route on capacitor C78 and capacitor C53, route between the pin AVDD1A and the capacitor C78 is equipped with the 4th electricity
Node 22 is flowed, the route between the capacitor C78 and the capacitor C53 is equipped with the 5th current node 23 and the 6th current node
24, the route between the pin AVDD1B and the capacitor C53 is equipped with the 7th current node 25, the 4th electric current section
It is connect after the route serial capacitance C82 that point 22 is drawn with the 5th current node 23, what the 5th current node 23 was drawn
An other route is connect with the pin AVSSIA, after the route serial capacitance C54 that the 7th current node 25 is drawn with
6th current node 24 connection, the other one article of route and the pin AVSSIB that the 6th current node 24 is drawn connect
It connects, the route between the capacitor C82 and the 4th current node 22 is equipped with the 8th current node 26, the capacitor C54
Route between the 7th current node 25 is equipped with the 9th circuit node 27, the line that the 8th circuit node 26 is drawn
Road is connect with the 9th circuit node 27；
As shown in figure 5, third filter circuit 16 includes being serially connected between the pin REF1+ and the pin REF2+
Capacitor C346 and capacitor C338 on route, the route between the pin REF1+ and the capacitor C346 are equipped with the tenth electricity
Node 28 is flowed, the route between the capacitor C338 and the capacitor C346 is equipped with the 29 and the 12nd electricity of the 11st current node
Flowing node 30, route between the pin REF2+ and the capacitor C338 is equipped with the 13rd current node 31, and the described tenth
It is connect after the route serial capacitance C345 that current node 28 is drawn with the 11st current node 29, the 11st electric current section
The other route that point 29 is drawn is connect with the pin REF1-, the route concatenation that the 13rd current node 31 is drawn
It is connect after capacitor C337 with the 12nd current node 30, other one article of route that the 12nd current node 30 is drawn
It is connect with the pin REF2-, the route between the capacitor C345 and the tenth current node 28 is equipped with the 14th electricity
Node 32 is flowed, the route between the capacitor C337 and the 13rd current node 31 is equipped with the 18th current node 37,
The route that 14th circuit node 32 is drawn is connect with the 18th current node 37；
As shown in figure 5, reset circuit 12 includes reset switch S1, after one end series resistor R98 of the reset switch S1
It is connect with the pin IOVDD, the other end is connect with the pin DGND；
Route between resistance R98 and the reset switch S1 is equipped with the 15th current node 33, the pin DGND
Route between the reset switch S1 is equipped with the 16th current node 34, the line that the 15th current node 33 is drawn
After the serial capacitance C70 of road with the 16th current node 34；
As shown in figure 5, outer clock circuit 13 includes source crystal oscillator X1, it is described to there is source crystal oscillator X1 to be equipped with stitch VDD, stitch
O/P, stitch EN and stitch GND, the stitch VDD are connect with the IOVDD, the line between the stitch VDD and the IOVDD
Road is equipped with the 17th current node 35, and the route that the 17th current node 35 is drawn is connect with the stitch EN, described
Stitch GND is connect with the pin DGND.
In this embodiment, reset switch S1 is SW-PB；
Filter circuit 11 power by bypass capacity earth, improves the power quality of power supply；AD7768 reset signal is low
Level is effective, when being pressed by reset switch S1, is supplied to mono- low level signal of AD7768, acquisition chip 6 is resetted；In addition
Acquisition chip 6 works, and needs the master clock of one 32.768MHZ of external offer；X1 is exactly the 32.768MHZ of 4 pins
There is source crystal oscillator, for 6 master clock of AD acquisition chip.
The problem short for the soft roller roll surface service life of pressure area of the embodiment of the present invention is examined in real time using data processing unit 1
It surveys soft roller vibration data and extracts soft roller roll surface condition information, the soft roller roll surface condition information of extraction is then fed back into cleaning again
Device control units 2, online cleaning device carry out soft roller roll surface online clear according to the real-time soft roller roll surface condition information of feedback
Clean-roll surface situation extremely then cleans soft roller roll surface, and roll surface situation is normally then timed clearly soft roller roll surface by setting
It is clean, to extend roll surface service life；Roll change frequency is reduced, maintenance load is reduced, has saved roll surface processing cost, is increased
The production time is added.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit protection model of the invention
It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can make the present invention each
Kind change, modification and/or variation, all these equivalent forms equally fall within guarantor defined by the application the appended claims
Within the scope of shield.
Claims (10)
1. a kind of for extending the control system of the soft roller roll surface service life of roller class pressure area, which is characterized in that including data processing
Unit, cleaning device control unit and vibrating sensor and speed probe that the soft roller both ends of pressure area are set, in which:
The vibrating sensor is acquired for the vibration data to the soft roller of the pressure area；
The speed probe is acquired for the rotary speed data to the soft roller of the pressure area；
The data processing unit is connect with the vibrating sensor, speed probe and cleaning device control unit respectively,
For obtaining the collected vibration data of the vibrating sensor and the collected rotary speed data of the speed probe, and to adopting
The vibration data and rotary speed data that collect carry out preliminary treatment, while by the vibration data and rotary speed data after preliminary treatment
Send the cleaning device control unit to；
The cleaning device control unit, connect with online cleaning device, the vibration for being sent to the data processing unit
Dynamic data and rotary speed data are compared, and judge the roll surface state of the soft roller of the pressure area, when the judgement soft roller of pressure area
When roll surface exception, controls the online cleaning device and the soft roller surface of the pressure area is cleaned immediately.
2. according to claim 1 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the data processing unit includes front end signal processing circuit, acquisition chip and peripheral circuit, in which:
The front end signal processing circuit, connect with the vibrating sensor and speed probe, for being the vibrating sensing
Device, speed probe power supply, while the collected vibration signal of the vibrating sensor and the speed probe being collected
Tach signal be converted to differential signal, and the differential signal of generation is delivered to the acquisition chip；
The acquisition chip is connect with the front end signal processing circuit, cleaning device control unit, for believing the difference
Number carry out preliminary treatment, and by the data transmission after preliminary treatment give the cleaning device control unit；
The peripheral circuit is connect with the acquisition chip, for providing filtering, clock for the acquisition chip and resetting behaviour
Make.
3. according to claim 2 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the front end signal processing circuit includes signal conversion circuit, voltage signal driving circuit and differential signal generative circuit；
The signal conversion circuit is connect with the vibrating sensor and speed probe, for being the vibrating sensor, turning
The power supply of fast sensor, while by the collected vibration signal of the vibrating sensor and the collected revolving speed of the speed probe
Signal is converted to voltage signal；
The voltage signal driving circuit, connect with the signal conversion circuit, for converting to the signal conversion circuit
The voltage signal arrived carries out driving capability reinforcement, generates amplified signal；
The differential signal generative circuit is connect with the voltage signal driving circuit, the amplified signal for that will generate
Voltage signal conversion is carried out, generates differential signal, and go out the differential signal of generation to be sent to the acquisition chip.
4. according to claim 2 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the signal conversion circuit includes connector interface P11, and the connector interface P11 is equipped with pin 1 and pin 2, the company
The route for connecing the extraction of pin 1 of device interface P11 is sequentially connected in series connection+24V output after toggle switch S11 and current regulator diode D11
The end ,+24V output end connect the vibrating sensor, speed probe；
Route between the pin 1 of the connector interface P11 and the toggle switch S11 is equipped with the first circuit node, institute
The route for stating the extraction of the first circuit node is equipped with for the vibration signal and tach signal to be converted to adding for voltage signal
Velocity sensor, the rear end of the acceleration transducer are grounded after being sequentially connected in series capacitor C15 and resistance R11.
5. according to claim 3 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the voltage signal driving circuit includes driving chip U11 and toggle switch S12；
The driving chip U11 be equipped with pin+INA, pin-INA, pin OUTA, pin OUTB, pin OUTC, pin OUTD,
Pin+IND, pin-IND, pin V+, pin V-, pin+INB, pin-INB, pin+INC, pin-INC；
The toggle switch S12 is equipped with pin 0, pin 1, pin 2, pin 3, pin 4 and pin 5；
Route between the capacitor C15 and resistance R11 is equipped with second circuit node, the line that the second circuit node is drawn
Road is connect with the pin+INA, the route that the pin OUTA and the pin-INA are drawn respectively with the toggle switch
Pin 0, pin 1, the pin 2 of S12 connects, and the route that pin 3, pin 4, the pin 5 of the toggle switch are drawn concatenates respectively
It is connect after resistance R14, R13, R12 with 1B signal end, the route that the pin+IND is drawn is connect with 1D signal end, the pin
The route that the OUTD and pin-IND is drawn is connect with IE signal end.
6. according to claim 4 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the differential signal generative circuit includes amplification chip U12, and the amplification chip U12 is equipped with pin+IN0.8X, pin-
IN0.8X, pin+IN0.4X, pin-IN0.4X, pin+VS, pin-VS, pin VCOM, pin NC, pin+OUT and draw
Foot-OUT；
Pin+the OUT, pin-OUT are connect with the acquisition chip, and the pin+IN0.8X and the IE signal end connect
It connects.
7. according to claim 5 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the acquisition chip U15 is equipped with pin IOVDD, pin DREGCAP, pin DGND, pin AVSSIA, pin AVDD1A, draws
Foot AVSSIB, pin AVDD1B, pin REF1+, pin REF1-, pin REF2+ and pin REF2-.
8. according to claim 6 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the peripheral circuit includes power supply filter circuit, reset circuit and the external clock electricity connecting respectively with the acquisition chip
Road.
9. according to claim 7 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In the power supply filter circuit includes the first filter circuit, the second filter circuit and third filter circuit, in which:
First filter circuit includes the electricity on the route being serially connected between the pin IOVDD and the pin DREGCAP
Holding C50 and capacitor C51, route between the pin IOVDD and the capacitor C50 is equipped with the first current node, and described the
It is connect after the route serial capacitance C49 that one current node is drawn with the pin DGND, the pin DREGCAP and the capacitor
Route between C51 is equipped with the second current node, after the route serial capacitance C57 that second current node is drawn with it is described
Pin DGND connection, the route between the capacitor C50 and capacitor C51 are equipped with third current node, the third electric current section
The route that point is drawn is connect with the DGND；
Second filter circuit includes the electricity on the route being serially connected between the pin AVDD1A and the pin AVDD1B
Hold C78 and capacitor C53, the route between the pin AVDD1A and the capacitor C78 is equipped with the 4th current node, the electricity
Hold the C78 and capacitor C53 between route be equipped with the 5th current node and the 6th current node, the pin AVDD1B with
Route between the capacitor C53 is equipped with the 7th current node, the route serial capacitance C82 that the 4th current node is drawn
It is connect afterwards with the 5th current node, the other one article of route and the pin AVSSIA that the 5th current node is drawn connect
It connects, is connect after the route serial capacitance C54 that the 7th current node is drawn with the 6th current node, the 6th electric current
The other route that node is drawn is connect with the pin AVSSIB, between the capacitor C82 and the 4th current node
Route be equipped with the 8th current node, route between the capacitor C54 and the 7th current node is equipped with the 9th electricity
Circuit node, the route that the 8th circuit node is drawn are connect with the 9th circuit node；
The third filter circuit includes the capacitor on the route being serially connected between the pin REF1+ and the pin REF2+
C346 and capacitor C338, the route between the pin REF1+ and the capacitor C346 are equipped with the tenth current node, the electricity
The route held between the C338 and capacitor C346 is equipped with the 11st current node and the 12nd current node, the pin
Route between REF2+ and the capacitor C338 is equipped with the 13rd current node, the route that the tenth current node is drawn
Connect after serial capacitance C345 with the 11st current node, other one article of route that the 11st current node is drawn with
The pin REF1- connection, after the route serial capacitance C337 that the 13rd current node is drawn with the 12nd electric current
Node connection, other one article of route that the 12nd current node is drawn are connect with the pin REF2-, the capacitor C345
Route between the tenth current node is equipped with the 14th current node, the capacitor C337 and the 13rd electric current
Route between node is equipped with the 18th current node, the route and the 18th electricity that the 14th circuit node is drawn
Flow node connection.
10. according to claim 7 for extending the control system of the soft roller roll surface service life of roller class pressure area, feature exists
In, the reset circuit includes reset switch S1, after one end series resistor R98 of the reset switch S1 with the pin
IOVDD connection, the other end are connect with the pin DGND；
Route between the resistance R98 and the reset switch S1 is equipped with the 15th current node, the pin DGND with
Route between the reset switch S1 is equipped with the 16th current node, the route concatenation that the 15th current node is drawn
After capacitor C70 with the 16th current node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303799.6A CN109656191B (en) | 2018-11-03 | 2018-11-03 | Control system for prolonging service life of soft roll surface of roll nip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303799.6A CN109656191B (en) | 2018-11-03 | 2018-11-03 | Control system for prolonging service life of soft roll surface of roll nip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109656191A true CN109656191A (en) | 2019-04-19 |
| CN109656191B CN109656191B (en) | 2020-09-01 |
Family
ID=66110056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811303799.6A Active CN109656191B (en) | 2018-11-03 | 2018-11-03 | Control system for prolonging service life of soft roll surface of roll nip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109656191B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002264293A (en) * | 2001-03-12 | 2002-09-18 | Fuji Photo Film Co Ltd | Method and equipment for plate-making |
| CN1416487A (en) * | 2000-03-08 | 2003-05-07 | 处理队组芬兰有限公司 | Method and appts. for treating moving surface |
| CN101041176A (en) * | 2006-03-24 | 2007-09-26 | 宝山钢铁股份有限公司 | Method and device for cleaning twin-roll thin strip concasting roller surface |
| CN201765503U (en) * | 2010-09-03 | 2011-03-16 | 武汉迈科机电物资工程有限公司 | Electrical control system of hot rolling reeling machine pinch roll on-line grinding and rolling apparatus |
| CN107219870A (en) * | 2017-07-15 | 2017-09-29 | 潍坊弗莱瑞电子科技有限公司 | A kind of device that can be reduced nip roll vibration, extend roll surface service life |
| CN206858944U (en) * | 2017-07-07 | 2018-01-09 | 广东阿博特数码纸业有限公司 | A kind of control device of calender |
-
2018
- 2018-11-03 CN CN201811303799.6A patent/CN109656191B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1416487A (en) * | 2000-03-08 | 2003-05-07 | 处理队组芬兰有限公司 | Method and appts. for treating moving surface |
| JP2002264293A (en) * | 2001-03-12 | 2002-09-18 | Fuji Photo Film Co Ltd | Method and equipment for plate-making |
| CN101041176A (en) * | 2006-03-24 | 2007-09-26 | 宝山钢铁股份有限公司 | Method and device for cleaning twin-roll thin strip concasting roller surface |
| CN201765503U (en) * | 2010-09-03 | 2011-03-16 | 武汉迈科机电物资工程有限公司 | Electrical control system of hot rolling reeling machine pinch roll on-line grinding and rolling apparatus |
| CN206858944U (en) * | 2017-07-07 | 2018-01-09 | 广东阿博特数码纸业有限公司 | A kind of control device of calender |
| CN107219870A (en) * | 2017-07-15 | 2017-09-29 | 潍坊弗莱瑞电子科技有限公司 | A kind of device that can be reduced nip roll vibration, extend roll surface service life |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109656191B (en) | 2020-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101685135B (en) | Test device and test method for testing circuit board | |
| CN106803340A (en) | MBUS telecommunication circuits, communication means and its measuring instrument being made | |
| CN106921364A (en) | The filter of mobile data acquisition device | |
| CN107870587A (en) | Universal sensor interface for mechanical device monitoring system | |
| CN109656191A (en) | It is a kind of for extending the control system of the soft roller roll surface service life of roller class pressure area | |
| CN102590589B (en) | 4-20mA current transmitter circuit | |
| CN105116182B (en) | For measuring the sine wave generation circuit of resistance, method and storage battery tester | |
| CN111462469A (en) | Multi-channel acquisition terminal | |
| CN202533482U (en) | 4-20 ma current transmitter circuit | |
| CN202750222U (en) | Audio frequency input circuit and electronic equipment with audio frequency input | |
| WO2023216578A1 (en) | Magnetic switch having filtering function | |
| CN208333597U (en) | Oil metering device for metering separator | |
| CN109116785A (en) | A kind of online self-test control circuit device of amplifier | |
| CN206147508U (en) | Reset circuit and intelligent system | |
| CN205333188U (en) | Online vibration monitor | |
| CN206470326U (en) | Distributed low current detecting system | |
| CN209170330U (en) | Switching circuit and signal acquiring system | |
| CN206489427U (en) | A kind of batch controller based on PLC | |
| CN205139074U (en) | Be suitable for electrochemical sensor's signal conditioning circuit | |
| CN206057406U (en) | A kind of non-bridge PFC current/voltage type sample circuit | |
| CN201056654Y (en) | Laser type dynamic yarn prober | |
| CN105823500B (en) | Transmitter interface device | |
| CN204882646U (en) | A sinusoidal wave circuit and storage battery tester of producing for measuring resistance | |
| CN105490800B (en) | A kind of chaos circuit of second-order differential square complexity | |
| CN203287708U (en) | Input point expanding device of controller and engineering mechanical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 1210 Jinhai North Road, high tech Industrial Development Zone, Gucheng street, Shouguang City, Weifang City, Shandong Province Patentee after: Shandong kangjinuo Technology Co.,Ltd. Address before: 262700 6th floor, block a, incubation building, software park, College of science and technology, 166 Jinguang street, Shouguang City, Weifang City, Shandong Province Patentee before: WEIFANG FULAIRUI ELECTRONIC TECHNOLOGY Co.,Ltd. |