CN101221073A - Multifunctional color measuring and viewing system - Google Patents
Multifunctional color measuring and viewing system Download PDFInfo
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- CN101221073A CN101221073A CNA2008100557310A CN200810055731A CN101221073A CN 101221073 A CN101221073 A CN 101221073A CN A2008100557310 A CNA2008100557310 A CN A2008100557310A CN 200810055731 A CN200810055731 A CN 200810055731A CN 101221073 A CN101221073 A CN 101221073A
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- color measuring
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- objective system
- observing
- multifunctional color
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Abstract
The invention discloses a multifunctional color measuring and observing system, comprising an arc-shaped suspension arm provided with scales. The arc-shaped suspension arm is fixed on a bracket through a connecting shaft, and an object lens system is arranged on the arc-shaped suspension arm and is connected with a light source, a measuring device or an observing device. The object lens system is glidingly fixed on the arc-shaped suspension arm through a sliding device. An object lens cylinder of the object lens system also can slide along a sliding rail. A focus of an optical lens on the object lens cylinder can be regulated on four directions. The geometry condition for measuring or observing is realized through the sliding of the object lens system on the suspension arm, and the measuring or observing for micro zones is realized through regulating the focus of the optical lens on the object lens cylinder. The invention can measure and observe regular and irregular surfaces in an untouched way, and can obtain measured data of different geometry conditions on a certain measuring point.
Description
Technical field
The present invention relates to a kind of color measuring and observing system, especially a kind of system that is applicable to that the surface imperfection object color is measured and observed.
Background technology
(the Commission International d ' Eclairage of International Commission on Illumination, be called for short CIE) and the geometric condition that is used for color measuring of U.S. material and test association (Amercan Society for Testing and Materials, abbreviation ASTM) recommendation mainly contain following several:
Diffuse illumination, right-angle view.
Vertical illumination, diffusion is observed.
45 ° of illuminations, right-angle view.
Vertical illumination, 45 ° of observations.
Diffuse illumination, 8 ° of observations comprise the minute surface composition.
Diffuse illumination, 8 ° of observations do not comprise the minute surface composition.
Diffuse illumination, diffusion is observed, and comprises the minute surface composition.
45 ° of ring illuminations, right-angle view.
Vertical illumination, 45 ° of annulars are observed.
Vertical illumination, right-angle view.
In addition, for the material with pearl (pearlescent) or metallochrome (metallic), ASTM recommends the multi-angle geometric condition:
Contrary 15 °, 45 °, 110 ° measurements in orienting reflex angle (aspecular angle).
Above geometric condition, in conjunction with the appropriate illumination body, i.e. light source, and measuring element as spectrometer, photodiode, photomultiplier etc., or is observed device, and is first-class as eyepiece, shooting, just can constitute a complete color measuring and observation hardware system.
According to the color measuring and the observing system of above-mentioned geometric condition structure, can measurement and viewing plane or near the color of the body surface on plane.But for the object of surface imperfection, particularly, the tiny area on the irregular surface is difficult to provide stable recursive measurement and observation.Its technical difficulty mainly is, because that object shows is irregular, thereby is difficult to find the method line position.Measurement and viewing angle are also determined according to the method line position simultaneously, so measurement and viewing angle also can't be determined.Like this, the geometric condition of measuring and observing can not be controlled, and the stability of color measuring and repeatability all can non-constants.Its measurement result can only be as a reference, can not be as the foundation of quantitative test.More can't realize the long-term follow of same object is measured and observed.
In some field, as the historical relic's protection industry, need measure and the observation color the irregular object in surface, as ancient pottery and porcelain, lacquerware, grotto mural painting etc., and need carry out long-term follow to historical relic and measure and observe.
In view of this, need a kind of technology that can realize irregular surface color measuring and observation.
Summary of the invention
The present invention has overcome shortcoming of the prior art, and a kind of device that can realize irregular surface color measuring and observation is provided.
Technical scheme of the present invention is summarized as follows:
A kind of multifunctional color measuring and observing system, it is characterized in that comprising the arc cantilever of a band scale, the arc cantilever is fixed on the support by a coupling shaft, on the arc cantilever objective system is housed, objective system connects light source or measurement or finder, and objective system slides on the arc cantilever by carriage and be fixing.
Described coupling shaft comprises fixed block and turning axle, on the described fixed block angle index is arranged, the arc cantilever rotates by turning axle with respect to fixed block, and the anglec of rotation is set according to the angle index on the fixed block, and wherein the setting of the anglec of rotation can be adopted and manually also can adopt motor to control.
Described carriage adopts sliding shoe and fixing with tight silk, perhaps adopts the sliding connecting device of strong magnet material.
Described objective system has one or more, each objective system connects a light source or a measurement mechanism or a finder at least, perhaps each objective system connects a light source and a measurement mechanism, and perhaps each objective system connects a light source and a finder.
Described objective system comprises objective tube, optical mirror slip, slide rail, adjustable silk, the jackscrew of revolving; Described objective tube is installed on the slide rail and adopts jackscrew to fix; Described adjustable revolve silk and be used for focus point to optical mirror slip and carry out about, move forward and backward adjusting, wherein objective tube slides and the adjusting of Objective rallying point can manually also can utilize motor to control along slide rail.
Described measurement mechanism can be spectrometer, color sensor, or other measurement mechanism, and finder can be monitor or the camera that is connected with computing machine, or microscope, or projection screen, or other finder.
The connected mode of described objective system and light source or measurement mechanism or finder is an optical fiber, perhaps do not adopt the direct connection of any optical device, perhaps pass through being connected of lens, catoptron, semi-transparent semi-reflecting lens, optical filter connection or all kinds of eyeglasses, perhaps other optical device connected modes.
Described spectrometer or other measurement mechanisms link to each other with computing machine, by computer controlled measurement and collection data.
The slip of described objective system on the arc cantilever can manually also can utilize motor to control.
The geometric condition of measuring or observing is to realize by the slip of objective system on cantilever, and the measurement of tiny area or observation realize by adjusting focus point.
Compared with prior art, the invention has the beneficial effects as follows: can and observe the regular and irregular surface with non-contact mode measuring.For certain measurement point, can obtain the measurement data of different geometric conditions.
Description of drawings
Figure 1A is/45 ° of measurement scheme topology views of near normal illumination.
Figure 1B is objective system and arc jib system johning knot composition.
Figure 1B-the 1st, the front view that objective system is connected with the arc jib system.
Figure lB-2 is the left view that objective system is connected with the arc jib system.
Fig. 1 C is the topology view that/45 ° of measurement scheme objective systems 40 of near normal illumination slide into (X+40) ° position.
Fig. 1 D is that/45 ° of measurement scheme objective systems 40 of approximate 45 ° of illuminations place 0 ° of positional structure view.
Fig. 1 E is that/45 ° of measurement scheme objective systems 40 of approximate 45 ° of illuminations place (X+40) ° topology view.
Fig. 1 F is that 15 ° of positional structures of pearl (pearlescent) and the contrary orienting reflex angle (aspecularangle) of metallochrome (metallic) measurement scheme are attempted.
Fig. 1 G is 45 ° of positional structure views of pearl (pearlescent) and the contrary orienting reflex angle (aspecularangle) of metallochrome (metallic) measurement scheme.
Fig. 1 H is 110 ° of topology views of explanation pearl (pearlescent) and the contrary orienting reflex angle (aspecular angle) of metallochrome (metallic) measurement scheme.
Fig. 2 A is a top coupling shaft sectional view.
Fig. 2 B is the view of the angle index on the fixed block.
Fig. 3 A is the objective system structural front view.
Fig. 3 B is an objective system structure vertical view.
Wherein 100 refer to complete scheme system, and 10 refer to the top coupling shaft, and 20 refer to the arc jib system, and 30 and 40 refer to objective system, and 50 and 60 refer to light source, and 70 refer to spectrometer, and 80 refer to computing machine, and 90 refer to support.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Shown in Figure 1A, arc cantilever 21 is connected with support 90 by top coupling shaft 10.Two objective systems 30,40 that can slide by sliding shoe are arranged on the arc cantilever 21.Objective system 30 is connected with light source 50 via optical fiber 39, and objective system 40 is connected with spectrometer 70, light source 60 via optical fiber 49.Spectrometer 70 and PC 80 link to each other via RS232 serial ports or USB or other modes.In this scheme, utilize PC 80 control spectrometer 70 and acquisition process data.Testee 99 is positioned over arc cantilever 21 belows.
The concrete operations of this embodiment are as follows:
At first, place cantilever 21 belows with the measured zone of testee 99.Set the angle position of top coupling shaft 10.Concrete measurement pattern can be selected according to the character characteristics of testee.Here be the example explanation with 3 kinds of patterns.But the mode of operation of native system is not limited only to these 3 kinds.The professional person of this area can design and Implement various measurement pattern as required.
First kind of pattern :/45 ° of measurements of near normal illumination.
Because object 99 surface imperfections, its method line position are difficult to determine that 45 ° measuring position also is similar to simultaneously, therefore be called/45 ° of measurements of near normal illumination.In order to obtain reasonable measurement effect, before measuring, seek position earlier near normal.Then, near 45 ° of positions, multimetering.At last, can use the method for statistical method or tabulation mapping, the multimetering result is carried out statistical study, to describe the color property of measured point.
Concrete implementation step is as follows.
1.1 objective system 30 utilizes y-type optical fiber 39 to be connected with light source 50, spectrometer 70.Objective system 30 is positioned 0 ° of position of cantilever.Shown in Fig. 1 C.
1.2 open light source 50, focus point and the measured zone of adjusting the lens on the objective system 30 are overlapping, (available magnifier or range estimation or other modes are observed focus point and the overlapping situation of measured zone).Utilize spectrometer 70 and PC 80 to gather spectroscopic data, and calculate color parameter L*, a*, b*.
1.3 change the angle position of objective system 30 or the putting position of object 99 a little, and operate according to 1.2 step.
1.4 repeat 1.3 operation many times, find the position of the corresponding objective system 30 of L* maximal value (or near maximal value).Suppose that this angle is X ° (X＜5).
1.5 another objective system 40 is slided into (X+40) ° position.Shown in Fig. 1 C.
1.6 objective system 40 is connected to spectrometer 70 and light source 60 by y-type optical fiber 49.Objective system 30 is connected to light source 50 by optical fiber 39.Shown in Figure 1A.
1.7 open light source 50 and 60.By sliding up and down the objective tube of objective system 40, and about and luffing angle, the position of the focus point of lens and size on the instrumentality lens barrel make it and tested region overlapping.Close light source 60, utilize the color in the tested zone of spectrometer measurement.
1.8 the position that changes objective system 40 is to (X+41) °, (X+42) °, (X+43) °, (X+44) °, (X+45) °, (X+46) °, (X+47) °, (X+48) °, (X+49) °, (X+50) °, then according to step 1.7, measures color respectively.
1.9 to the data list statistics that measures.
Second kind of pattern :/45 ° of measurements of approximate 45 ° of illuminations.
2.1 shown in Fig. 1 D, objective system 40 is connected to light source 60 and spectrometer 70 by y-type optical fiber 41.
2.2 objective system 40 is placed 0 ° of position.Shown in Fig. 1 D.According to the operation (changing objective system 30 into objective system 40) described in 1.3 and 1.4, angle position X ° (X＜5) of the objective system 40 of the maximal value correspondence of searching L*.2.3 open light source 60.Objective system 40 is placed (X+40) °, shown in Fig. 1 E.Focus point and the measured zone of adjusting lens on the objective tube are overlapping, and (available magnifier or range estimation or other modes are observed focus point and the overlapping situation of measured zone) measures color then.
2.4 objective system 40 is placed (X+41) ° respectively, and (X+42) °, (X+43) °, (X+44) °, (X+45) °, (X+46) °, (X+47) °, (X+48) °, (X+49) °, (X+50) ° position then according to step 2.3, is measured color respectively.
2.5 tabulation statistical measurement data.
The third pattern: pearl (pearlescent) or metal (metallic) look object color are measured.
According to the measurement geometric condition that ASTM recommends, need measure at least three positions, promptly contrary orienting reflex angle is 15 °, 45 °, 110 °.These 3 kinds of geometric conditions can only be applicable to the object of rule of surface.Shown in Fig. 1 F, 1G, 1H, specific embodiments is as follows.
3.1 objective system 30 is connected with spectrometer 70 with light source 60 by y-type optical fiber 42.Objective system 40 is connected with light source 50 by optical fiber 43.Objective system 30 is placed 0 ° of position.Open light source 60.Utilization hornwork or T-square or other instruments are determined the objective tube and the testee Surface Vertical of objective system 30.Adjust the position of testee, make the focus point of the lens on the objective system 30 and measured zone overlapping (available magnifier or range estimation or other modes are observed focus point and the overlapping situation of measured zone).Objective system 40 is placed 45 ° of positions.Objective system 30 is placed 30 ° of positions of objective system 40 offsides, and promptly contrary 15 ° of positions, orienting reflex angle are shown in Fig. 1 F.
3.2 open light source 50 and 60.Regulate two objective systems 30 and 40, the focus point that makes them all with tested region overlapping.
3.3 close the light source 60 that is connected with objective system 30.
3.4 utilize spectrometer 70, measure color.
3.5 objective system 30 is placed 0 ° of position, and promptly contrary 45 ° of positions, orienting reflex angle are shown in Fig. 1 G.
3.6 according to 3.2,3.3, step operation in 3.4.
3.7 objective system 30 is placed 65 ° of positions with objective system 40 homonymies, and promptly contrary 110 ° of positions, orienting reflex angle are shown in Fig. 1 H.
3.8 the step operation according to 3.6, tabulation statistical measurement data.
In above each scheme,, then can directly do observation to the color of measured zone by naked eyes if, change direct connection eyepiece in the position that connects spectrometer.If the position connecting eyepiece changes the connection camera into, be connected to monitor or computing machine, then can be by the color of display or computer screen observation or Taking Pictures recording measured zone.
Embodiment of more than enumerating and method of operating are not to of the present invention exhaustive, should not be considered as restriction to scope of the present invention with any reason yet.
To adjusting, the adjusting of objective system on cantilever of lens focus point, the adjusting of the top coupling shaft anglec of rotation can be adopted manually and also can connect a motor in for example above-mentioned embodiment, utilizes motor to regulate.Do like this and can realize various location and adjusting quicker, more accurately, can utilize Control Software to realize control automatically and measurement simultaneously.Again for example, in the above-mentioned embodiment objective system 40 is placed (X+30) ° position, every 20 points of 1 ° of continuous coverage.Again for example, employed measurement mechanism spectrometer in the above-mentioned embodiment also can replace with three photodiodes of three kinds of colors of energy measurement red, green, blue, can measure color equally.Its advantage is that cost is well below spectrometer.When using photodiode to measure, can omit optical fiber, and the light path type that adopts directly connection or lens to connect.Again for example, sliding shoe 46 can be selected the strong magnet material for use, and cantilever 21 is selected the ferromagnet stainless steel material simultaneously for use, and can simplify carriage this moment, can also improve the stability of carriage.
Xu Shu exemplary scenario only is the explanation to the principle of the invention herein.Should be not by any way, the narration above utilizing limits the scope of the invention.The professional person of this area can utilize principle of the present invention, designs various embodiment, and does not exceed scope of the present invention.
Claims (11)
1. multifunctional color measuring and observing system, it is characterized in that comprising the arc cantilever of a band scale, the arc cantilever is fixed on the support by a coupling shaft, on the arc cantilever objective system is housed, objective system connects light source or measurement mechanism or finder, and objective system slides on the arc cantilever by carriage and be fixing.
2. multifunctional color measuring as claimed in claim 1 and observing system, it is characterized in that described coupling shaft comprises fixed block and turning axle, on the described fixed block angle index is arranged, the arc cantilever rotates by turning axle with respect to fixed block, and the anglec of rotation is set according to the angle index on the fixed block.
3. multifunctional color measuring as claimed in claim 2 and observing system is characterized in that Electric Machine Control is adopted manually or uses in the setting of the anglec of rotation.
4. multifunctional color measuring as claimed in claim 1 and observing system is characterized in that described carriage adopts sliding shoe and fixing with tight silk, perhaps adopts the sliding connecting device of strong magnet material.
5. multifunctional color measuring as claimed in claim 1 and observing system, it is one or more to it is characterized in that described objective system has, each objective system connects a light source or a measurement mechanism or a finder, perhaps each objective system connects a light source and a measurement mechanism, and perhaps each objective system connects a light source and a finder.
6. multifunctional color measuring as claimed in claim 1 and observing system is characterized in that described objective system comprises objective tube, optical mirror slip, slide rail, adjustable silk, the jackscrew of revolving; Described objective tube is installed on the slide rail and adopts jackscrew to fix; Described adjustable revolve silk and be used for focus point to optical mirror slip and carry out about, move forward and backward adjusting.
7. multifunctional color measuring as claimed in claim 6 and observing system is characterized in that objective tube adopts manually or use Electric Machine Control along the slip of slide rail and the adjusting of optical mirror slip focus point.
8. multifunctional color measuring as claimed in claim 1 and observing system is characterized in that described measurement mechanism is spectrometer or color sensor; Finder is a monitor, the camera that is connected with computing machine, microscope, perhaps projection screen.
9. multifunctional color measuring as claimed in claim 1 and observing system, it is characterized in that described objective system is that optical fiber is connected with the connected mode of light source or measurement mechanism or finder, or through lens, catoptron, semi-transparent semi-reflecting lens, optical filter connection, or being connected of all kinds of eyeglasses, or do not adopt the direct connection of optical device.
10. multifunctional color measuring as claimed in claim 1 and observing system is characterized in that described measurement mechanism is connected with computing machine, and described computing machine is used for control survey and collects data.
11. multifunctional color measuring as claimed in claim 1 and observing system is characterized in that the slip of described objective system on the arc cantilever, adopt manually or with motor and control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100557310A CN101221073B (en) | 2008-01-08 | 2008-01-08 | Multifunctional color measuring and viewing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100557310A CN101221073B (en) | 2008-01-08 | 2008-01-08 | Multifunctional color measuring and viewing system |
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| CN101221073A true CN101221073A (en) | 2008-07-16 |
| CN101221073B CN101221073B (en) | 2010-06-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344332A (en) * | 2013-06-18 | 2013-10-09 | 杭州师范大学 | Hanging type multi-angle observation device |
| CN103471821A (en) * | 2013-09-30 | 2013-12-25 | 广东产品质量监督检验研究院 | Detection and analysis device and method for illuminance uniformity and spectral characteristic of LED desk lamp |
| CN103512659A (en) * | 2012-06-19 | 2014-01-15 | 台湾超微光学股份有限公司 | Detachable peripheral device of spectrometer |
| CN110017899A (en) * | 2019-03-28 | 2019-07-16 | 浙江工业大学 | Device for complex surface color detection system |
| CN111562010A (en) * | 2020-05-14 | 2020-08-21 | 北京大学 | Method and device for automatic image color calibration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048965U (en) * | 1989-06-09 | 1989-12-06 | 刘补生 | Probe type on line hue sensor for light cable |
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2008
- 2008-01-08 CN CN2008100557310A patent/CN101221073B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512659A (en) * | 2012-06-19 | 2014-01-15 | 台湾超微光学股份有限公司 | Detachable peripheral device of spectrometer |
| CN103512659B (en) * | 2012-06-19 | 2016-05-04 | 台湾超微光学股份有限公司 | Detachable peripheral device of spectrometer |
| CN103344332A (en) * | 2013-06-18 | 2013-10-09 | 杭州师范大学 | Hanging type multi-angle observation device |
| CN103344332B (en) * | 2013-06-18 | 2015-02-04 | 杭州师范大学 | Hanging type multi-angle observation device |
| CN103471821A (en) * | 2013-09-30 | 2013-12-25 | 广东产品质量监督检验研究院 | Detection and analysis device and method for illuminance uniformity and spectral characteristic of LED desk lamp |
| CN103471821B (en) * | 2013-09-30 | 2019-03-05 | 广东产品质量监督检验研究院 | LED desk lamp uniformity of illuminance and spectral characteristic detection and analytical equipment and method |
| CN110017899A (en) * | 2019-03-28 | 2019-07-16 | 浙江工业大学 | Device for complex surface color detection system |
| CN110017899B (en) * | 2019-03-28 | 2021-05-18 | 浙江工业大学 | Apparatus for complex surface color detection system |
| CN111562010A (en) * | 2020-05-14 | 2020-08-21 | 北京大学 | Method and device for automatic image color calibration |
| CN111562010B (en) * | 2020-05-14 | 2021-04-30 | 北京大学 | Method and device for automatic image color calibration |
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