CN107525474A - The on-line detecting system of color coated sheet coating thickness - Google Patents
The on-line detecting system of color coated sheet coating thickness Download PDFInfo
- Publication number
- CN107525474A CN107525474A CN201610455364.8A CN201610455364A CN107525474A CN 107525474 A CN107525474 A CN 107525474A CN 201610455364 A CN201610455364 A CN 201610455364A CN 107525474 A CN107525474 A CN 107525474A
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- probe assembly
- guide rail
- coated sheet
- coating thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0675—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating using interferometry
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of on-line detecting system of color coated sheet coating thickness, the system includes walking mechanism, probe assembly, controlling organization and intelligent terminal；Walking mechanism is made up of support, guide rail and driving part；Probe assembly is driven located at guide rail and by driving part, and probe assembly produces visible ray/infrared ray and irradiates Coil Coating Products through probe body, and probe body output signal inputs interference signal acquisition processing module through photoelectric conversion module；Controlling organization is made up of PLC, servo controller, position sensor and the optoelectronic switch electrically connected and controls probe assembly mobile and position；Intelligent terminal electrically connects with interference signal acquisition processing module and PLC.The system implements the detection of color coated sheet coating thickness using Through Optical Interference Spectra, the defects of overcoming traditional detection method, realize and online untouchable detection in real time is carried out to color coated sheet coating thickness, improve accuracy of detection and product quality, it is ensured that produce continuous, the stable operation of unit.
Description
Technical field
The present invention relates to a kind of on-line detecting system of color coated sheet coating thickness.
Background technology
Coil Coating Products produce unit due to continuous production, need to reflect production process technology Parameters variation in time, and color coated sheet coating thickness is monitored, once it was found that deviate, make adjustment at once, to ensure that stable production process is controlled, so as to reduce manufacturing cost, reduce substandard products or waste product probability of happening, General Promotion product quality.
Color coated sheet coating thickness on-line checking can use following three kinds of methods in theory：First, using infrared spectrum absorption process detection coating film thickness, its Cleaning Principle is the quantitative detection that infrared spectrum is carried out according to the characteristic element functional group of organic coating, but the organic coating that different colours difference coating supplier provides, its infrared signature functional group is all different, if accurately to carry out coat thickness detection, the coating of each color of each coating supplier is required for establishing detection working model respectively；For a user, it means that need to establish at least 500 infrared detection working models, and periodically need to be operated the examination and maintenance of model, therefore do not possess actual application value using infrared spectrum absorption process on-line checking coating film thickness.Second, use thickness measurement with laser on-line detecting system, thickness measurement with laser principle be by control LASER Light Source drilled out in Coil Coating Products a diameter about 0.5mm given shape aperture, then use and be measured microscopically the domatic length of aperture, coating layer thickness is calculated by mathematical modeling again, this method is destructive testing, the integrality of coating is destroyed, causing Coil Coating Products, corrosion resistance declines in use.Third, using electric vortex method on-line detecting system, this method need not make hundreds of detection models, it is not required that punching, symbolic animal of the birth year is to effective color coated sheet coating thickness on-line detecting system；But the detecting system detects for contact, only in compressor emergency shutdown, could implement thickness detection operation, therefore the application of current vortex on-line detecting system is also restrained, can not implement online real-time detection.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of on-line detecting system of color coated sheet coating thickness, the system implements the detection of color coated sheet coating thickness using Through Optical Interference Spectra, the defects of overcoming traditional detection method, realize and online untouchable detection in real time is carried out to color coated sheet coating thickness, improve accuracy of detection and product quality, it is ensured that produce continuous, the stable operation of unit.
In order to solve the above technical problems, the on-line detecting system of color coated sheet coating thickness of the present invention includes walking mechanism, probe assembly, controlling organization and intelligent terminal；
The walking mechanism includes door shaped stent, guide rail, servomotor, decelerator and drive gear, and the guide rail is horizontal in the door shaped stent, and the servomotor, decelerator and drive gear are located at the guide rail side after being sequentially connected；
The probe assembly along guide rail is moved located at the guide rail and by the driving gear drives, the probe assembly includes probe body, visible ray/infrared ray generator, photoelectric conversion module, interference signal acquisition processing module and heat insulation shell, the probe body, visible ray/infrared ray generator, photoelectric conversion module and interference signal acquisition processing module are in the heat insulation shell, the output end of the visible ray/infrared ray generator connects the input of the probe body by optical cable, the output end of the probe body connects the optical signal input of the photoelectric conversion module by optical cable, the electrical signal of the photoelectric conversion module connects the signal input part of the interference signal acquisition processing module；
The controlling organization includes PLC, servo controller, position sensor and optoelectronic switch, the PLC, servo controller and servomotor electrical connection, the position sensor and optoelectronic switch are respectively arranged on the probe assembly and signal output part connects the signal input part of the PLC respectively；
The intelligent terminal electrically connects with the interference signal acquisition processing module and PLC respectively.
Further, the controlling organization also includes automatic/hand switching switch, moves to left switch and move to right switch, the automatic/hand switching switch, moves to left switch and moves to right the control signal that switch connects the PLC respectively.
Further, the walking mechanism also includes tank chain, and the tank chain is located at the guide rail and drives the cable of the probe assembly, position sensor and optoelectronic switch to follow probe assembly to move.
Further, the intelligent terminal is industrial computer, and the industrial computer connects the PLC by RS485 interfaces.
Because the on-line detecting system of color coated sheet coating thickness of the present invention employs above-mentioned technical proposal, i.e. the system includes walking mechanism, probe assembly, controlling organization and intelligent terminal；Walking mechanism is made up of support, guide rail and driving part；Probe assembly is driven located at guide rail and by driving part, and probe assembly produces visible ray/infrared ray and irradiates Coil Coating Products through probe body, and probe body output signal inputs interference signal acquisition processing module through photoelectric conversion module；Controlling organization is made up of PLC, servo controller, position sensor and the optoelectronic switch electrically connected and controls probe assembly mobile and position；Intelligent terminal electrically connects with interference signal acquisition processing module and PLC.The system implements the detection of color coated sheet coating thickness using Through Optical Interference Spectra, the defects of overcoming traditional detection method, realize and online untouchable detection in real time is carried out to color coated sheet coating thickness, improve accuracy of detection and product quality, it is ensured that produce continuous, the stable operation of unit.
Brief description of the drawings
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is walking mechanism and probe assembly schematic diagram in the on-line detecting system of color coated sheet coating thickness of the present invention；
Fig. 2 is Fig. 1 side view；
Fig. 3 is the theory diagram of probe assembly in the system；
Fig. 4 is the theory diagram of controlling organization and intelligent terminal in the system；
Fig. 5 is intelligent terminal functional schematic in the system.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the on-line detecting system of color coated sheet coating thickness of the present invention includes walking mechanism, probe assembly, controlling organization and intelligent terminal to embodiment；
The walking mechanism includes door shaped stent 11, guide rail 12, servomotor 13, decelerator 14 and drive gear 15, the guide rail 12 is horizontal in the door shaped stent 11, and the servomotor 13, decelerator 14 and drive gear 15 are located at the side of guide rail 12 after being sequentially connected；
The probe assembly 1 is moved located at the guide rail 12 and by the drives edge guide rail 12 of drive gear 15,The probe assembly includes probe body 21,Visible ray/infrared ray generator 22,Photoelectric conversion module 23,Interference signal acquisition processing module 24 and heat insulation shell 25,The probe body 21,Visible ray/infrared ray generator 22,Photoelectric conversion module 23 and interference signal acquisition processing module 24 are in the heat insulation shell 25,The output end of the visible ray/infrared ray generator 22 connects the input of the probe body 21 by optical cable,The output end of the probe body 21 connects the optical signal input of the photoelectric conversion module 23 by optical cable,The electrical signal of the photoelectric conversion module 23 connects the signal input part of the interference signal acquisition processing module 24；
The controlling organization includes PLC 31, servo controller 32, position sensor 33 and optoelectronic switch 34, the PLC 31, servo controller 32 and servomotor 13 electrically connect, and the position sensor 33 and optoelectronic switch 34 are respectively arranged on the probe assembly and signal output part connects the signal input part of the PLC 31 respectively；
The intelligent terminal 4 electrically connects with the interference signal acquisition processing module 24 and PLC 31 respectively.
Preferably, the controlling organization also includes automatic/hand switching switch 35, moves to left switch 36 and move to right switch 37, the automatic/hand switching switch 35, moves to left switch 36 and moves to right the control signal that switch 37 connects the PLC 31 respectively.When automatic/hand switching switch is switched to manual position, switch is switched or moves to right by moving to left, information is moved to left or moves to right to transmit to servo controller by PLC, servo controller drives probe assembly to move to left or move to right by servomotor, when automatic/hand switching switch is switched to automated location, system, which is moved to left or moved to right automatically through PLC driving probe assembly by the sweep parameter that intelligent terminal is set, realizes full-automatic particles.
Preferably, the walking mechanism also includes tank chain 16, and the tank chain 16 is located at the guide rail 12 and drives the cable of the probe assembly, position sensor 33 and optoelectronic switch 34 to follow probe assembly to move.Tank chain is used to convey associated air tube and cable when probe assembly moves back and forth, and tracheae and cable can be allowed to follow probe assembly to move back and forth.
Preferably, the intelligent terminal 4 is industrial computer, and the industrial computer connects the PLC 31 by RS485 interfaces.
The door shaped stent of the system is located at Coil Coating Products production unit, and guide rail is located above Coil Coating Products, and the course of work of the system is：Instruction is sent by PLC, controls servomotor to rotate by servo controller, drives drive gear to rotate after decelerator slows down, the probe assembly that driving gear drives are arranged on guide rail moves along guide rail, realizes the particles detection to Coil Coating Products.Each part of probe assembly may be mounted to one, wherein probe body position can finely tune in fore-and-aft direction and above-below direction, it is conveniently adjusted probe body and is used for insulation to optimum detection position, heat insulation shell, avoids influence of the high temperature in Coil Coating Products production process to probe assembly.Optoelectronic switch is used for positioning, probe body positional deviation correction and the measurement steel plate width of probe body.
Controlling organization is sent the movable signal of probe assembly by PLC, simultaneously, displacement information is uploaded to intelligent terminal by the particular location of probe assembly by position sensor by PLC, and intelligent terminal determines coating film thickness data of the Coil Coating Products in the position according to the position of probe assembly.
Probe assembly provides color coated sheet coating thickness detection data, can provide the dual-layer data of priming paint thickness and finish paint thickness simultaneously.The effect of probe body is transmitting detection light（Clear coat uses visible ray, and opaque coating uses infrared ray）, and receive reflected light, refraction light and interference light；The effect of visible ray/infrared ray generator is to produce visible ray or infrared ray needed for detection and through optical cable transmission to probe body；The effect of photoelectric conversion module is that reflected light, refraction light and the interference light for receiving probe body are converted into electric signal, for follow-up signal processing；The effect of interference signal acquisition processing module is to be acquired processing to the electric signal of photoelectric conversion module output, and is converted into corresponding color coated sheet coating thickness.The course of work of probe assembly is as follows：Visible ray/infrared ray generator produces visible ray or infrared ray and passes through optical cable transmission to probe body, probe body will be seen that light or infrared ray are transmitted into detected coating, then the reflected light from detected coating, refraction light and interference light are received, again by the optical transport received to photoelectric conversion module, photoelectric conversion module converts optical signals to electric signal, electric signal is converted into the corresponding signal of coating film thickness by interference signal acquisition processing module, then transmits the signal to intelligent terminal and carry out data processing/storage/display.
As shown in Figure 5, there are intelligent terminal 4 in the system four aspects to act on, one is communicated with controlling organization 3, the parameter of the driving movement of probe assembly 1 of controlling organization 3 is set by intelligent terminal 4, such as translational speed, automatically moves or moves manually, send and instruct to controlling organization 3, such as start and stop, read the status data of controlling organization 3, such as probe positions, probe translational speed, and the status display of controlling organization 3 and alarm.The second is communicated with the host computer 5 of Coil Coating Products production unit, the parameters such as belt steel product code, strip movement velocity, priming paint and finish paint thickness setting value that host computer 5 passes down are read, state of other/parameter/data that the particular location and host computer 5 corresponding to the priming paint and finish paint actual measurement thickness data, thickness data that upload host computer 5 needs on strip length and width need.The third is communicated with probe assembly 1, the detection data and state parameter of receiving transducer component 1, detection data are handled, stored, shown, printed, the relevant parameter of detection, such as refractive index, light source type, the time of integration, Sample code, upper and lower bound, individual layer detection or double-deck detection are sent to probe assembly 1.The fourth is the system software/hardware function of intelligent terminal 4 itself, the specific function required such as intelligent terminal function/performance/communication modes/auxiliary equipment, the mode and content and user that picture is shown.
As shown in Figure 1, for the situation for needing synchronously detect the coating film thickness of Coil Coating Products upper and lower surface, it can be again spaced below the guide rail 12 of the system and add a guide rail 17, on the guide rail 17 added drive gear 18 and probe assembly 10 are installed additional respectively according to the system principle, connected between former drive gear 15 and installation drive gear 18 by synchronizing shaft 19, so that two probe assemblies 1,10 synchronizing movings, so as to realize that the coating film thickness of Coil Coating Products upper and lower surface synchronously detects.
The system realizes the on-line checking of color coated sheet coating thickness based on Through Optical Interference Spectra, Through Optical Interference Spectra detection is only relevant with coating refractive index, it is unrelated with the color of color coating coating, belong to untouchable detection, the defects of overcoming traditional thickness detection mode, and the double-deck thickness such as priming paint and finish paint can be detected simultaneously, therefore, this detecting system based on Through Optical Interference Spectra is accurately and efficiently being implemented to play an important roll on on-line real-time measuremen color coated sheet coating thickness.
Claims (4)
- A kind of 1. on-line detecting system of color coated sheet coating thickness, it is characterised in that：The system includes walking mechanism, probe assembly, controlling organization and intelligent terminal；The walking mechanism includes door shaped stent, guide rail, servomotor, decelerator and drive gear, and the guide rail is horizontal in the door shaped stent, and the servomotor, decelerator and drive gear are located at the guide rail side after being sequentially connected；The probe assembly along guide rail is moved located at the guide rail and by the driving gear drives, the probe assembly includes probe body, visible ray/infrared ray generator, photoelectric conversion module, interference signal acquisition processing module and heat insulation shell, the probe body, visible ray/infrared ray generator, photoelectric conversion module and interference signal acquisition processing module are in the heat insulation shell, the output end of the visible ray/infrared ray generator connects the input of the probe body by optical cable, the output end of the probe body connects the optical signal input of the photoelectric conversion module by optical cable, the electrical signal of the photoelectric conversion module connects the signal input part of the interference signal acquisition processing module；The controlling organization includes PLC, servo controller, position sensor and optoelectronic switch, the PLC, servo controller and servomotor electrical connection, the position sensor and optoelectronic switch are respectively arranged on the probe assembly and signal output part connects the signal input part of the PLC respectively；The intelligent terminal electrically connects with the interference signal acquisition processing module and PLC respectively.
- 2. the on-line detecting system of color coated sheet coating thickness according to claim 1, it is characterised in that：The controlling organization also includes automatic/hand switching switch, moves to left switch and move to right switch, the automatic/hand switching switch, moves to left switch and moves to right the control signal that switch connects the PLC respectively.
- 3. the on-line detecting system of color coated sheet coating thickness according to claim 1 or 2, it is characterised in that：The walking mechanism also includes tank chain, and the tank chain is located at the guide rail and drives the cable of the probe assembly, position sensor and optoelectronic switch to follow probe assembly to move.
- 4. the on-line detecting system of color coated sheet coating thickness according to claim 1 or 2, it is characterised in that：The intelligent terminal is industrial computer, and the industrial computer connects the PLC by RS485 interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455364.8A CN107525474A (en) | 2016-06-22 | 2016-06-22 | The on-line detecting system of color coated sheet coating thickness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455364.8A CN107525474A (en) | 2016-06-22 | 2016-06-22 | The on-line detecting system of color coated sheet coating thickness |
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| CN107525474A true CN107525474A (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610455364.8A Pending CN107525474A (en) | 2016-06-22 | 2016-06-22 | The on-line detecting system of color coated sheet coating thickness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906897A (en) * | 2019-12-16 | 2020-03-24 | 唐山盈和瑞环保设备有限公司 | Online quality tester for anticorrosive coating of steel plate |
| CN111998784A (en) * | 2020-08-26 | 2020-11-27 | 中国检验检疫科学研究院 | Automatic balance thickness detector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673294A (en) * | 1984-09-20 | 1987-06-16 | Orc Manufacturing Co., Ltd. | Film thickness measuring apparatus employing microprojector of spectral reflection measurement |
| CN1815138A (en) * | 2005-02-04 | 2006-08-09 | 欧姆龙株式会社 | Thin film inspection apparatus and thin film inspection method |
| CN101995225A (en) * | 2009-08-17 | 2011-03-30 | 横河电机株式会社 | Film thickness measurement apparatus |
| CN104677260A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Online color-coated sheet film thickness detection system |
| CN104677852A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Strip steel magnesium oxide coating quality online detection system |
-
2016
- 2016-06-22 CN CN201610455364.8A patent/CN107525474A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673294A (en) * | 1984-09-20 | 1987-06-16 | Orc Manufacturing Co., Ltd. | Film thickness measuring apparatus employing microprojector of spectral reflection measurement |
| CN1815138A (en) * | 2005-02-04 | 2006-08-09 | 欧姆龙株式会社 | Thin film inspection apparatus and thin film inspection method |
| CN101995225A (en) * | 2009-08-17 | 2011-03-30 | 横河电机株式会社 | Film thickness measurement apparatus |
| CN104677260A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Online color-coated sheet film thickness detection system |
| CN104677852A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Strip steel magnesium oxide coating quality online detection system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906897A (en) * | 2019-12-16 | 2020-03-24 | 唐山盈和瑞环保设备有限公司 | Online quality tester for anticorrosive coating of steel plate |
| CN111998784A (en) * | 2020-08-26 | 2020-11-27 | 中国检验检疫科学研究院 | Automatic balance thickness detector |
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Application publication date: 20171229 |
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