CN1164026A - Monitor for dye exhausting rate - Google Patents

Monitor for dye exhausting rate Download PDF

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Publication number
CN1164026A
CN1164026A CN 96105177 CN96105177A CN1164026A CN 1164026 A CN1164026 A CN 1164026A CN 96105177 CN96105177 CN 96105177 CN 96105177 A CN96105177 A CN 96105177A CN 1164026 A CN1164026 A CN 1164026A
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Prior art keywords
light beam
frequency range
filter disc
narrow frequency
dyestuff
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李彦铮
黄裕文
谢达理
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Industrial Technology Research Institute ITRI
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Industrial Technology Research Institute ITRI
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Priority to CN 96105177 priority Critical patent/CN1164026A/en
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Abstract

A consumption rate monitor for dye is composed of light source, filter leaf rotating unit to form a narrow-bandwidth light beam, a length-testing driver to change the measured distance by which light beam has penetrated through dye solution and to form penetration attenuated light beam; a detect circuit to convert the penetration attenuated light beam into analog signal of light power, and a processing and display device for controlling said rotating unit and driver, change of measured distance, recording of correspondent analog signal of light power, and automatic selection of optimal bandwidth of light beam and distance, realizing real-time measurement and display of dye consumption rate.

Description

Monitor for dye exhausting rate
The present invention relates to a kind of dyestuff monitoring device, particularly relate to and a kind ofly can choose suitable detecting optical wavelength and detecting light path automatically, and in dyeing and finishing process, the device that changes of monitoring dye exhausting rate in real time.
The accuracy of dyeing and finishing industrial dye exhausting rate, stability and repeated, quality and the key of promoting the inter-industry competition advantage when being decision dyeing and finishing cloth.The mode of seven whole industrial dyeing and finishing cloth generally can be divided into batch formula dyeing and finishing and dyeing and finishing continuously.Past, dye strength and colour developing were all by veteran master craftsman's criticism in the process that batch formula seven is put in order, but because the influence of human psychological's state and eyes are distinguished the restriction of look repeatability and degree of accuracy, the error of its judged result still is difficult to control.And in the process that batch formula is dyed cloth, whether dyestuff also is the key of decision cloth quality in time evenly attached on the cloth, and this point is that the people can't grasp, and needs the auxiliary of instrument, comes the exhausting rate of monitoring dye.
In continuous dyeing and finishing, keep the fixing of dye strength, also be the greatest factor of decision dyeing and finishing cloth quality, so also need a monitor for dye exhausting rate, the exhausting rate of real-time monitoring dye.Moreover, because the penetrance difference the when light of different wave length penetrates different dyes or variable concentrations dye liquor, so this monitor for dye exhausting rate, should possess the ability of choosing optimal measurement wavelength and light path automatically, be linear to reach the relation that concentration and penetrance take from behind the right logarithm as far as possible, and the degree of the dynamic range maximum of detecting.
United States Patent (USP) the 5th, 125, No. 747 exposure one instruments, the exhausting rate of energy monitoring dye, but it is to the different dyestuffs or the dye liquor of variable concentrations, the optical wavelength of measurement that is filter disc choose and measure choosing of light path, all need to give in choosing according to the standard shown in it by the people.The TEINOLAB company dye exhausting rate surveillance of being produced and for example, it is except identical with above-mentioned patent, needs outside manual operation chooses, its used filter disc frequency range is too wide, only use four filter discs, cover the wavelength of 400nm to 700nm, influenced the accuracy that measures.Other have developed the monitoring instrument of finishing at present, as colorimetric densimeter (Colorimeter) that Brinkmann company produced etc., are only applicable to the situation of sampling mode, and non real-time is measured under the situation and used.
Sum up the problem that present dyeing and finishing industry is run into, comprising:
1, in batch formula dyeing and finishing, can't learn the concentration of dyestuff in the dyeing and finishing process, therefore can't arrange in pairs or groups temperature and auxiliary agent are controlled dyestuff in time evenly attached on the cloth.
2, in continuous dyeing and finishing, need to adjust the concentration of dyestuff more according to this by set time sampling dilution detection, react slower, the also difficult control of quality.
3,, be difficult for grasping suitable measurement wavelength and light path at the dye solution of different colours and concentration.
4, lack real-time and long monitor for dye exhausting rate on the production line, make whole dyeing and finishing process optimization.
Therefore fundamental purpose of the present invention just provides a kind of monitor for dye exhausting rate, can be in the process of dyeing and finishing, at the dye solution of variable concentrations and color, can do the direct measurement of real-time and long dye strength or exhausting rate on the line, in the hope of making whole dyeing and finishing process optimization.
Another object of the present invention provides a kind of monitor for dye exhausting rate, can be at the dye solution of variable concentrations and color, automatically choose optimal measurement wavelength and light path, that is choose optimal filter disc and light path, the most linear to reach the relation that concentration and penetrance take from behind the right logarithm, and the purpose of the dynamic range maximum of detecting.
For reaching above-mentioned and other purposes of the present invention, the invention provides a kind of monitor for dye exhausting rate, can monitor a dye solution, comprising: a light source, in order to produce a light beam; One filter disc whirligig is used so that above-mentioned light beam by behind this filter disc whirligig, forms a narrow frequency range light beam of different predetermined wavelengths; One dyestuff detects the length drives device, it is coupled to this filter disc whirligig with optical mode, flow through this dyestuff of above-mentioned dye solution detects length drives device, this dyestuff detects the length drives device and receives this narrow frequency range light beam, make it penetrate this dye solution, penetrate the decay light beam to form one, one when this dyestuff detects length drives device and can change this narrow frequency range light beam and penetrate this dye solution measures distance; One testing circuit, it is coupled to this dyestuff with optical mode and detects the length drives device, converts a luminous power simulating signal in order to this is penetrated the decay light beam; And a processing of circuit and a display device, be coupled to this filter disc whirligig, dyestuff detects the length drives device, and testing circuit, this processing of circuit and display device are controlled this filter disc whirligig to obtain this narrow frequency range light beam of different predetermined wavelengths, control this dyestuff and detect length drives device this measurement distance with this narrow frequency range light beam of progressively changing each predetermined wavelength, this processing of circuit and pairing this luminous power simulating signal of display device record, and come to choose automatically this narrow frequency range light beam and this measurement distance of best predetermined wavelength according to this, monitor and show the exhausting rate of dyestuff in this dye solution more in real time.
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. elaborates.In the accompanying drawing,
Fig. 1 is the calcspar according to a kind of monitor for dye exhausting rate of a preferred embodiment of the present invention;
Fig. 2 is the more detailed block schematic diagram of a kind of monitor for dye exhausting rate of Fig. 1;
Fig. 3 is the physical construction synoptic diagram of filter disc whirligig among Fig. 1;
Fig. 4 is the physical construction synoptic diagram that dyestuff detects the length drives device among Fig. 1.
When a light beam penetrated a dye solution, (Berr ' s law) can have following relation: P according to Bel's ruleout=P ine -α(λ)CL
In the formula: PoutBe the power of outgoing beam, PinFor injecting the power of light beam;
α (λ) is absorption coefficient, and is relevant with wavelength X;
C is the concentration of dyestuff in the solution;
L is the pass through distance (light path) of dye solution of light beam.
Therefore, by following formula as can be known,, can try to achieve the concentration of dyestuff in the solution by the variation of luminous power, and then monitor the exhausting rate of this dye solution dyestuff as long as select suitable optical wavelength and light path.But because the frequency range of the light beam of measuring all has certain scope, and all factors such as the error of various measurements, when actual measurement is calculated, different dyestuffs or different concentration, at different wavelength coverages and different light paths, tried to achieve after penetrance takes from right logarithm again by optical power change, the degree that meets the linear change principle with dye strength has nothing in common with each other.
So monitor for dye exhausting rate of the present invention, the flow process of its use is divided into two kinds basically, and one is the concentration monitor to unknown dyestuff, and another is the concentration monitor to known dye.During to the concentration monitor of unknown dyestuff, by device of the present invention automatically decision be fit to light path and the wavelength measured, and set up the master data of dying journey, again the data such as exhausting rate of monitoring in real time and recording dye.During to the concentration monitor of known dye, then by the light path and the wavelength of the known measurement of personnel setting, to improve the possibility that dyeing reappears.
Please refer to Fig. 1, it has illustrated the calcspar according to a kind of monitor for dye exhausting rate of a preferred embodiment of the present invention.This monitor for dye exhausting rate comprises: light source 110, filter disc whirligig 120, dyestuff detect length drives device 130, testing circuit 140 and processing of circuit and display device 150.Filter disc whirligig 120 and dyestuff detect between the length drives device 130, and dyestuff detects between length drives device 130 and the testing circuit 140, all couple with optical mode, and generally be to transmit beam signal with single optical fiber or fibre bundle.
At first light source 110 produces a light beam, and filter disc whirligig 120 provides the narrow frequency range light wave filtering function of many different wave lengths, can make above-mentioned light beam by behind this filter disc whirligig 120, form the narrow frequency range light beam of various different predetermined wavelengths, to increase the accuracy of measuring.Then should deliver in the dyestuff detection length drives device 130 by narrow frequency range light beam, dyestuff detects length drives device 130 because dye solution is equally also flowed through, dyestuff detection this moment length drives device 130 makes this narrow frequency range light beam penetrate this dye solution, according to Bel's rule, the power of this narrow frequency range light beam can be decayed according to concentration, forms one and penetrates (transmission) decay light beam.Dyestuff detects length drives device 130 and possesses suitable physical construction, the measuring distance in the time of can changing this narrow frequency range light beam and penetrate this dye solution.
Testing circuit 140 receives that dyestuff detects that length drives device 130 sends penetrate the decay light beam after, this power transfer that penetrates the decay light beam is become luminous power simulating signal with the electrical signal form performance.Testing circuit 140 also can be coupled to filter disc whirligig 120 by optical mode, so that this narrow frequency range Beam Transformation that filter disc whirligig 120 is sent becomes the light source power simulating signal that shows with electrical signal form, as the benchmark of light stability, and the basis of coming calculating concentration according to Bel's rule.At this moment, filter disc whirligig 120 can use Y shape optical fiber beam to transmit this narrow frequency range light beam, and the input end of Y shape optical fiber beam is received filter disc whirligig 120, and one of output terminates to testing circuit 140, and the other end is received dyestuff and detected length drives device 130.
Certainly testing circuit 140 also can not be coupled to filter disc whirligig 120, as long as design the luminous power of this narrow frequency range light beam in advance, real-time measurement on line not, when foundation Bel rule is come calculating concentration, the luminous power of this narrow frequency range light beam is set at constant, and such application also is another example of the present invention.
Control and treatment of the present invention center is processing of circuit and display device 150, and it is coupled to filter disc whirligig 120, dyestuff detects length drives device 130 and testing circuit 140.Processing of circuit and display device 150 control filter disc whirligigs 120 are to obtain the narrow frequency range light beam of different predetermined wavelengths, measuring distance when processing of circuit and display device 150 are controlled dyestuff again and detected length drives device 130 and penetrate dye solution with the narrow frequency range light beam that progressively changes each predetermined wavelength, processing of circuit and display device 150 progressively receives and writes down simultaneously the luminous power simulating signal of the correspondence that testing circuit 140 sends, automatically choose according to Bel's rule again, the relation that concentration and penetrance are taken from behind the right logarithm is the most linear, and the narrow frequency range light beam of one group of best predetermined wavelength of the dynamic range maximum of detecting and measurement distance.After this with this narrow frequency range light beam and measuring distance of organizing best predetermined wavelength, monitor in real time and show the concentration of this dye solution or the exhausting rate of dyestuff.
It should be noted that, foregoing circuit processing and display device 150 are chosen one group narrow best frequency range light beam automatically and are measured the method for distance, it is the narrow frequency range light beam that progressively changes various different predetermined wavelengths, and the various measuring distances when the narrow frequency light beam of various predetermined wavelengths penetrates this dye solution, and write down pairing luminous power simulating signal, check the penetrance of the narrow frequency range light beam of each predetermined wavelength according to Bel's rule again at various measuring distances, wherein penetrance is to be decided by the power of narrow frequency range light beam and the power that penetrates the decay light beam, judge that more whether penetrance take from behind the right logarithm and measure distance (light path) linear ratio, and in a predetermined range of allowable error, choose being exactly the narrow frequency range light beam of best predetermined wavelength and measuring distance of dynamic range maximum of measurement.
Please refer to Fig. 2, it shows the more detailed block schematic diagram of a kind of monitor for dye exhausting rate of Fig. 1.Light source 110 comprises bulb 214 and bulb driving circuit 212, is used for producing light beam.Filter disc whirligig 120 mainly comprises filter disc device 222 and motor 224.The processing of circuit of motor 224 acceptance patterns 1 and display device control, be connected to filter disc device 222 with gear train, be used for driving filter disc device 222, make light beam that light source 110 the sends diverse location by filter disc device 222, the back of filtering forms the narrow frequency range light beam of different predetermined wavelengths.
Please refer to Fig. 3, the physical construction synoptic diagram of filter disc whirligig among its Fig. 1 that illustrates.The filter disc whirligig mainly comprises: filter disc device 310, motor 320, motor fixing base 330, and have: tube face 340, bulb rack 345, fibre bundle seat 350.During the diverse location of light beam by filter disc device 310, can form the narrow frequency range light beam of different predetermined wavelengths, the narrow frequency range light beam of the different predetermined wavelengths that general filter disc device 310 forms, its centre wavelength scope is by 400nm to 700nm.The light beam that bulb 355 sends forms narrow frequency range light beam by filter disc device 310 optical filtering backs, and by the fibre bundle 360 that is fixed on the fibre bundle seat 350, reception conducts.The motor 320 that is fixed on the motor fixing base 330 drives filter disc device 310, makes the diverse location of light beam by filter disc device 310, forms the narrow frequency range light beam of different predetermined wavelengths.Motor 320 uses step motor, because the step motor ratio is easier to control with digital form.
Filter disc device 310 can be a plurality of narrow frequency range filter discs, for example present embodiment is made up of 16 narrow frequency range filter discs, every frequency range is 10nm, sheet and sheet frequency interval 20nm, its centre wavelength scope is placed on a periphery and has made on the disk of porose position just by 400nm to 700nm, narrow frequency range filter disc just is fixed in the position, above-mentioned hole, disk places on the axle center of motor 320, and motor 320 drives the disk rotation, makes above-mentioned light beam by different narrow frequency range filter discs.Above-mentioned narrow frequency range filter disc the more, its frequency interval and frequency range are littler, can be so as to the accuracy that increase to measure.
Filter disc device 310 also can be the continuous wavelength filter disc of wavelength coverage by 400nm to 700nm, this continuous wavelength filter disc places on the axle center of motor 320, motor 320 drives this continuous wavelength filter disc rotation, make light beam pass through the diverse location of this continuous wavelength filter disc, form the narrow frequency range light beam of different predetermined wavelengths.
Please refer to Fig. 4, it shows the physical construction synoptic diagram of dyestuff detection length drives device among Fig. 1.Dyestuff detects the length drives device and mainly comprises: light path drive unit and motor.The light path drive unit comprises: advance axle sleeve 425, axle center sleeve 430, returning spring 435, measure sleeve 440 and dyestuff pod apertures 450, also have in addition: cam 410, cam holder 420 etc.Dye solution at first to be measured is flowed through in the dyestuff pod apertures 450, and the narrow frequency range light beam of the different predetermined wavelengths that the filter disc whirligig is sent, also deliver to dyestuff pod apertures 450 by fibre bundle 460, after narrow frequency range light beam penetrates dye solution, according to Bel's rule, its power can be according to the dye strength decay of dye solution, and the light beam of ejaculation is referred to as to penetrate the decay light beam.
The processing of circuit of motor acceptance pattern 1 and display device control, rotation drives the cam 410 that is fixed on cam holder 420, through above-mentioned each mechanism's interlock, can change the gap of dyestuff pod apertures 450 inner fibers, that is when narrow frequency range light beam penetrates dye solution, provide multiple measuring distance.The measuring distance that present embodiment provides has: as long as 0.5mm, 1mm, 2mm, 4mm, can go expansion, again slightly modified mechanism.The motor equally here uses step motor, because the step motor ratio is easier to control with digital form.Present embodiment uses cam 410 to drive, and other also can use mechanism such as transmission shaft to come interlock, makes to measure distance and change.
Please refer to Fig. 2, the narrow frequency range light beam of different predetermined wavelengths is delivered to dyestuff via optical fiber and is detected in the length drives device 130, penetrate dye solution after, form and penetrate the decay light beam, deliver to testing circuit 140 again.Testing circuit 140 mainly is made of luminous power testing circuit 245, and its function is that light beam power is transformed into electric signal, also is about to the power that this penetrates the decay light beam, converts the light source power simulating signal with the electrical signal form performance to.The narrow frequency range light beam that testing circuit 140 is also sent filter disc whirligig 120 converts the light source power simulating signal with the electrical signal form performance to, as the basis of calculating concentration.
Processing of circuit and display device comprise: filter disc driving circuit 250, light path driving circuit 260, luminous power analog/digital (A/D) change-over circuit 270, CPU (central processing unit) 280 and display device 290.Filter disc driving circuit 250 and light path driving circuit 260 are connected respectively to the motor that filter disc whirligig 120 and dyestuff detect length drives device 130, are used to provide required electric power of CD-ROM drive motor and control signal.The luminous power simulating signal that luminous power A/D change-over circuit 270, receiving test circuit 140 are sent, and to digital form performance the luminous power digital signal of converting, also the light source power analog signal conversion is become digital form simultaneously.
CPU (central processing unit) 280 is hearts of the present invention, there is the program of light path and wavelength judgment models inside, its control filter disc driving circuit 250, to drive filter disc whirligig 120, obtain the narrow frequency range light beam of different predetermined wavelengths, CPU (central processing unit) 280 control light path driving circuits 260, detect length drives device 130 to drive dyestuff, progressively change the various measurement distances of the narrow frequency range light beam of each predetermined wavelength, CPU (central processing unit) 280 control luminous power A/D converting digital circuit 270, to obtain stable luminous power digital signal, and according to above-mentioned luminous power digital signal, automatically choose one group narrow best frequency range light beam and measure distance, organize best narrow frequency range light beam and measuring distance with this, again the exhausting rate of the dyestuff of real-time monitoring dye solution.
Display device 290 is a PC at present embodiment, links with RS232 serial transmission and CPU (central processing unit) 270, comes to show in real time the exhausting rate of dyestuff on computer monitor, and data such as exhausting rate can be stored in the disk, performs an analysis in the future again.
Luminous power A/D change-over circuit 270 can resolve into again: multiplexer 272, automatic gain control circuit 274 and A/D change-over circuit 276.The method that multiplexer 272 was cut apart with the time, timesharing transmits through filter disc whirligig 120 and the luminous power simulating signal of dyestuff detection length drives device 130 and the luminous power simulating signal of filter disc whirligig 120 and gives automatic gain control circuit 274, automatic gain control circuit 274 is accepted the control of CPU (central processing unit) 280, but equal proportion is adjusted the size of luminous power simulating signal and light source power simulating signal automatically, obtains stable light power stabilising signal of range of signal and light source power stabilization signal.A/D circuit 276 is accepted the control of CPU (central processing unit) 280 equally, and above-mentioned light power stabilising conversion of signals is become the luminous power digital signal, uses for CPU (central processing unit) 280 records.
Automatic gain control circuit 274 mainly is to differ about 40 times in response to bulb spectrum in the luminous power of 400nm and 700nm, behind narrow frequency range filter disc, it is more that luminous power can differ, therefore differ too big for the digital signal value of avoiding A/D change-over circuit 276 to be sent, the accuracy that influence is calculated, so signal is amplified to a range of stability, to reduce error.
Two groups of luminous power testing circuits are arranged in testing circuit 140, and fundamental purpose is to eliminate light source to drive the instability that is caused over a long time.
By above-mentioned inference more as can be known, monitor for dye exhausting rate of the present invention, its monitoring flow process to unknown dyestuff is as follows:
A, making zero, makes zero in the position of at first dyestuff being detected length drives device and filter disc whirligig.
B, choose suitable measurement distance (light path) and wavelength automatically:
1, makes clear water or clear water adding assistant flow through dyestuff and detect the length drives device, and capture the luminous power of 16 wavelength under 4 kinds of different light paths.
2, will add dye solution after dyestuff stirs, and flow through dyestuff and detect the length drives device, capture the luminous power of 16 wavelength under 4 kinds of different light paths again.
3, above-mentioned each data are behind the light path and wavelength judgment models formula processing computing of CPU (central processing unit), and monitor for dye exhausting rate of the present invention can be chosen suitable light path and wavelength automatically.
C, real-time measurement dye exhausting rate or concentration: after the central processing unit for processing data, be shown on the computer display screen of display device, and the data of exhausting rate can be stored in the disk and perform an analysis again.
Sum up above-mentioned explanation, monitor for dye exhausting rate of the present invention, can be at the dye solution of variable concentrations and color, automatically choose optimal measurement wavelength and light path, remake on the line real-time and long dye exhausting rate and directly measure, do not need the solution sampling in the process, operate simple and easy, make whole seven to have suffered the journey optimization, and can easily control dyeing reproducibility.After increasing the program of CPU (central processing unit), more autodiagnosis can be accomplished,, and the function of abnormality auto-alarm-signal keying device can be realized with the opportunity of confirming more to change the bulb.
Though the present invention has done foregoing description with a preferred embodiment; but it is not in order to limit the present invention; those skilled in the art can make various changes and correction without departing from the spirit and scope of the present invention, so protection scope of the present invention should be limited by the accompanying Claim book.

Claims (20)

1, a kind of monitor for dye exhausting rate can be monitored a dye solution, comprising:
One light source is in order to produce a light beam;
One filter disc whirligig is used so that above-mentioned light beam by behind this filter disc whirligig, forms a narrow frequency range light beam of different predetermined wavelengths;
One dyestuff detects the length drives device, it is coupled to this filter disc whirligig with optical mode, flow through this dyestuff of above-mentioned dye solution detects length drives device, this dyestuff detects the length drives device and receives this narrow frequency range light beam, make it penetrate this dye solution, penetrate the decay light beam to form one, one when this dyestuff detects length drives device and can change this narrow frequency range light beam and penetrate this dye solution measures distance;
One testing circuit, it is coupled to this dyestuff with optical mode and detects the length drives device, converts a luminous power simulating signal in order to this is penetrated the decay light beam; And
One processing of circuit and display device, be coupled to this filter disc whirligig, dyestuff detects the length drives device, and testing circuit, this processing of circuit and display device are controlled this filter disc whirligig to obtain this narrow frequency range light beam of different predetermined wavelengths, control this dyestuff and detect length drives device this measurement distance with this narrow frequency range light beam of progressively changing each predetermined wavelength, this processing of circuit and pairing this luminous power simulating signal of display device record, and come according to this to choose best this narrow frequency range light beam and this measurement distance automatically, monitor and show the exhausting rate of dyestuff in this dye solution more in real time.
2, device according to claim 1, wherein coupling with optical mode is to adopt optical fiber to transmit light beam.
3, device according to claim 1, wherein this testing circuit more is coupled to this filter disc whirligig with optical mode, so that should narrow frequency range Beam Transformation become a light source power simulating signal.
4, device according to claim 3, wherein this filter disc whirligig uses a Y shape optical fiber beam to transmit this narrow frequency range light beam, one of this Y shape optical fiber beam output terminates to this testing circuit, and the other end is received this dyestuff and detected the length drives device, receives testing circuit afterwards again.
5, device according to claim 1, wherein this processing of circuit and display device are chosen this best narrow frequency range light beam and the method for this measurement distance automatically, be this narrow frequency range light beam and this measurement distance that progressively changes each predetermined wavelength, and write down pairing respectively this luminous power simulating signal, this narrow frequency range light beam of checking each predetermined wavelength according to Bel's rule is in a penetrance of this measurement distance respectively again, judge whether proportional with this measurement distance this penetrance is taken from behind the right logarithm, and in a range of allowable error of being scheduled to, choose this narrow frequency range light beam and this measurement distance of the dynamic range maximum of measurement.
6, device according to claim 1, wherein this filter disc whirligig comprises:
One filter disc device, this light beam can form this narrow frequency range light beam of different predetermined wavelengths by the diverse location of this filter disc device; And
One motor is coupled to this filter disc device with mechanism, and this motor is accepted this processing of circuit and display device control, in order to drive this filter disc device, makes light beam pass through the diverse location of this filter disc device.
7, device according to claim 6, wherein this motor is a step motor.
8, device according to claim 6, this narrow frequency range light beam of the different predetermined wavelengths that form of this filter disc device wherein, its wavelength is by 400nm to 700nm.
9, device according to claim 8, wherein this filter disc device comprises a plurality of narrow frequency range filter discs, this motor drives these narrow frequency range filter discs with gear train, makes light beam pass through different narrow frequency range filter discs.
10, device according to claim 9, wherein this narrow frequency range filter disc has 16, and every frequency range is 10nm, sheet and sheet frequency interval 20nm.
11, device according to claim 10, wherein these 16 narrow frequency range filter discs place periphery to make on the disk of porose position, this disk places on the axle center of this motor, and this motor drives this disk rotation, makes above-mentioned light beam by this different narrow frequency range filter discs.
12, device according to claim 8, wherein this filter disc device is a continuous wavelength filter disc, and this continuous wavelength filter disc places on the axle center of this motor, and this motor drives this continuous wavelength filter disc rotation, makes light beam pass through the diverse location of this continuous wavelength filter disc.
13, device according to claim 6, wherein this filter disc whirligig also comprises a motor fixing base, is coupled to this motor with gear train, in order to fix this motor.
14, device according to claim 1, wherein this dyestuff detection length drives device comprises:
One light path drive unit, it is coupled to this filter disc whirligig with optical mode, this dye solution this light path drive unit of flowing through, this light path drive unit receives this narrow frequency range light beam, make it penetrate this dye solution, penetrate the decay light beam to form this, this measurement distance when this light path drive unit provides multiple this narrow frequency range light beam to penetrate this dye solution;
One motor is coupled to this light path drive unit with gear train, and this motor is accepted the control of this processing of circuit and display device, in order to drive this light path drive unit, and this measurement distance when changing this narrow frequency range light beam and penetrating this dye solution,
15, device according to claim 14, wherein this motor drives this light path drive unit and is to use cam to realize.
16, device according to claim 14, wherein this motor drives this light path drive unit and is to use transmission shaft to realize.
17, device according to claim 14, wherein this motor adopts step motor.
18, device according to claim 14, wherein multiple this measurement distance comprises: 0.5mm, 1mm, 2mm, 4mm.
19, device according to claim 1, wherein this processing of circuit and display device comprise:
One filter disc driving circuit is coupled to this filter disc whirligig, drives required electric power and the control signal of this filter disc whirligig in order to provide;
One light path driving circuit is coupled to this dyestuff and detects the length drives device, drives required electric power and the control signal of this dyestuff detection length drives device in order to provide;
One luminous power A/D conversion circuit is coupled to this testing circuit, in order to this luminous power analog signal conversion is become a luminous power digital signal;
One CPU (central processing unit), be coupled to this filter disc driving circuit, the light path driving circuit, and luminous power A/D conversion circuit, this filter disc driving circuit of this central processing unit controls, to drive this filter disc whirligig, obtain this narrow frequency range light beam of different predetermined wavelengths, this light path driving circuit of this central processing unit controls, detect the length drives device to drive this dyestuff, progressively change this measurement distance of this narrow frequency range light beam of each predetermined wavelength, this luminous power A/D conversion circuit of this central processing unit controls, to obtain this stable luminous power digital signal, and according to this luminous power digital signal, automatically choose best this narrow frequency range light beam and this measuring distance, monitor the dye exhausting rate of this dye solution more in real time; And
One display device is coupled to this CPU (central processing unit), in order to show the dye exhausting rate of this dye solution.
20, device according to claim 19, wherein this luminous power A/D conversion circuit comprises:
One automatic gain control circuit is coupled to CPU (central processing unit), in order to adjust the size of this luminous power simulating signal automatically, obtains a light power stabilising signal of range of stability; And
One A/D conversion circuit is coupled to this automatic gain control circuit and CPU (central processing unit), in order to this light power stabilising conversion of signals is become this luminous power digital signal, uses for this CPU (central processing unit) record.
CN 96105177 1996-04-26 1996-04-26 Monitor for dye exhausting rate Pending CN1164026A (en)

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CN 96105177 CN1164026A (en) 1996-04-26 1996-04-26 Monitor for dye exhausting rate

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Application Number Priority Date Filing Date Title
CN 96105177 CN1164026A (en) 1996-04-26 1996-04-26 Monitor for dye exhausting rate

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818776A (en) * 2012-08-08 2012-12-12 赵晓明 Dye liquor concentration in-situ on-line monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818776A (en) * 2012-08-08 2012-12-12 赵晓明 Dye liquor concentration in-situ on-line monitoring system

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