CN110319927A - Calibrating installation - Google Patents
Calibrating installation Download PDFInfo
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- CN110319927A CN110319927A CN201910582637.9A CN201910582637A CN110319927A CN 110319927 A CN110319927 A CN 110319927A CN 201910582637 A CN201910582637 A CN 201910582637A CN 110319927 A CN110319927 A CN 110319927A
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- light source
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- light intensity
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- 238000009434 installation Methods 0.000 title claims abstract description 148
- 238000001514 detection method Methods 0.000 claims abstract description 170
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- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000031700 light absorption Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 161
- 239000000047 product Substances 0.000 description 88
- 230000005540 biological transmission Effects 0.000 description 17
- 239000013307 optical fiber Substances 0.000 description 13
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The present invention discloses a kind of calibrating installation, and calibrating installation includes: support, has the first installation position and the second installation position, first installation position is for installing referring to light source;Reference light source is set on second installation position;And light intensity detection component, it is arranged on the support, and the light intensity detection component is set to the top of first installation position and the second installation position;The light intensity detection component is used to detect the light intensity referring to light source and reference light source at the first default detecting distance.So, it can be achieved that calibrate/demarcate to the light-intensity test result referring to light source using reference light source so that reference light source can the light-intensity test result to product to be measured seek unity of standard.
Description
Technical field
The present invention relates to LED light light intensity detection technique field, in particular to a kind of calibrating installation.
Background technique
With the development of science and technology, wearing class product such as motion bracelet, smartwatch, blue Tooth remote controller, wireless headset etc.
Extensive favor of the electronic product by consumer.LED light, especially RGB LED light have brightness high, and color saturation is high, the service life
Long lamp feature is used widely in wearing class equipment as signal lamp.With consumer to safety, aesthetic feeling and relax
The pursuit of appropriateness, the requirement of color and brightness to LED light is higher and higher, in LED light or LED product production process, needs
It detect/test.
In the prior art, the brightness and coloration of LED light are tested usually using LED analyzer.But it is different types of
When LED analyzer detects same LED light, since the standard of different types of LED analyzer is different, testing result is poor
It is different very big.
In view of this, propose in the related technology it is a kind of using reference light source and referring to light source come the detection to LED light product
As a result unified method and apparatus are carried out.In this design, how to use reference light source to the light-intensity test result referring to light source
Carrying out calibration is the most important thing.It should be noted that above content is only used to facilitate the understanding of the technical scheme, not generation
Table recognizes that above content is the prior art.
Summary of the invention
The main object of the present invention is to propose a kind of calibrating installation, it is intended to solve how to utilize reference light source to referring to light source
Light-intensity test result calibrated, can ask what the light-intensity test result of LED light product to be measured was sought unity of standard
Topic.
To achieve the above object, a kind of calibrating installation proposed by the present invention, comprising:
Support has the first installation position and the second installation position, and first installation position is for installing referring to light source;
Reference light source is set on second installation position;And
Light intensity detection component, be arranged on the support, and the light intensity detection component be set to first installation position and
The top of second installation position;
The light intensity detection component is used to detect the light intensity referring to light source at the first default detecting distance, the light
Strong probe assembly is also used to detect light intensity of the reference light source at the described first default detecting distance.
Optionally, first installation position is set between second installation position and the light intensity detection component, the light
Strong probe assembly and the reference light source in the up-down direction at a distance from it is adjustable so that: the light intensity detection component is used to detect
The light intensity referring to light source at the first default detecting distance, the light intensity detection component are also used to detect the reference light source
Light intensity at the described first default detecting distance.
Optionally, the support includes pedestal and the support frame that is convexly equipped on the pedestal, and second installation position is set to
The pedestal, the light intensity detection component are liftably set on support frame as described above so that the light intensity detection component with it is described
The distance of reference light source in the up-down direction is adjustable;First installation position is set on support frame as described above.
Optionally, the support further includes that can slide up and down to the hoistable platform being mounted on support frame as described above, the light
Strong probe assembly is mounted on the hoistable platform.
Optionally, the support further includes flat set on the installation between the reference light source and the light intensity detection component
Platform, the mounting platform are mounted on support frame as described above, and first installation position is set on the mounting platform;And the installation
Platform is equipped with light via hole, and the light via hole is used to pass through for the light that the reference light source issues.
Optionally, the reference light source is standard sources component.
Optionally, the standard sources component includes protective shell and light source, and the protective shell has what is be arranged upward to go out light
Hole, the light source are set in the protective shell, and the inner wall of the protective shell is equipped with light-absorption layer.
Optionally, the calibrating installation further includes apart from acquisition device, and the distance detection device is for obtaining the light
Strong probe assembly and the reference light source in the up-down direction at a distance from and the light intensity detection component and the reference light source exist
Distance in up and down direction.
Optionally, it is described apart from acquisition device include displacement record device, the displacement record device be set to the support
Hoistable platform on.
Optionally, first installation position and second installation position are same installation position, described referring to light source and described
Reference light source alternatively and can be removably mounted on the installation position;Alternatively,
First installation position is spaced apart in the horizontal direction with second installation position, and the light intensity detection component exists
Position in horizontal direction is adjustable, so that: the light intensity detection component is detected for detecting described preset referring to light source first
Light intensity at distance, the light intensity detection component are also used to detect the reference light source at the described first default detecting distance
Light intensity;Alternatively,
First installation position is spaced apart in the horizontal direction with second installation position, and first installation position with
The position of second installation position in the horizontal direction is adjustable, so that: the light intensity detection component is for detecting the reference light
Light intensity of the source at the first default detecting distance, the light intensity detection component are also used to detect the reference light source described first
Light intensity at default detecting distance.
The present invention also proposes a kind of detection method of LED light light intensity, comprising:
Obtain the benchmark light intensity value I of reference light source0;
Obtain the first light-intensity test value I referring to light source at the first default detecting distancex;
Obtain second light-intensity test value I of the reference light source at the described first default detecting distancey;
Benchmark light intensity value I based on the reference light source0, the first light-intensity test value IxWith second light-intensity test
Value Iy, obtain the reference light intensity value I referring to light sourceb。
Optionally, the detection method of the LED light light intensity further include:
Obtain first production detected at the second default detecting distance referring to light source by producing line light intensity test device
The strong detected value I of linear lightxx;
Obtain product to be measured is detected at the described second default detecting distance by the producing line light intensity test device
Two producing line light-intensity test value Iyy;
Based on the reference light intensity value I referring to light sourceb, the first producing line light-intensity test value IxxWith second producing line
Light-intensity test value Iyy, obtain the reference light intensity value I of the product to be measured.
Optionally, the reference light intensity value I of the product to be measured meets: I=(Ixx/Iyy)*Ib。
Optionally, the shape referring to light source is identical as the shape of the product to be measured.
Optionally, the reference light intensity value I referring to light sourcebMeet: Ib=(Ix/Iy)*I0。
Optionally, the reference light source is standard sources, the benchmark light intensity value I of the reference light source0For the standard light
The standard luminous intensity values in source, the reference light intensity value I referring to light sourcebFor the standard luminous intensity values referring to light source.
The present invention also proposes a kind of detection system of LED light light intensity, comprising:
Calibrating installation;
Referring to light source, first installation position that the calibrating installation is removably installed in referring to light source;
Light-intensity test producing line;And
Producing line light intensity test device is set to the light-intensity test producing line, and the producing line light intensity test device is for detecting
The light intensity value of product to be measured in the light-intensity test producing line;The producing line light intensity test device is also used to detect the reference light
Light intensity value when source is arranged in the light-intensity test producing line.
The calibrating installation includes:
Support has the first installation position and the second installation position, and first installation position is for installing referring to light source;
Reference light source is set on second installation position;And
Light intensity detection component, be arranged on the support, and the light intensity detection component be set to first installation position and
The top of second installation position;
The light intensity detection component is used to detect the light intensity referring to light source at the first default detecting distance, the light
Strong probe assembly is also used to detect light intensity of the reference light source at the described first default detecting distance.
So, it can be achieved that calibrate/demarcate to the light-intensity test result referring to light source using reference light source, so that benchmark
Light source can the light-intensity test result to product to be measured sought unity of standard and (school carried out to the light-intensity test result of product to be measured
Standard/calibration).
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the flow diagram of one embodiment of detection method of LED light light intensity of the present invention;
Fig. 2 is the flow diagram of another embodiment of detection method of LED light light intensity of the present invention;
Fig. 3 is the experimentation figure of the detection method of LED light light intensity of the present invention;
Fig. 4 is the structural schematic diagram of one embodiment of calibrating installation of the present invention;
Fig. 5 is the orthographic projection view of Fig. 4 lieutenant colonel's standard apparatus;
Fig. 6 is the schematic diagram of the section structure of Fig. 4 lieutenant colonel's standard apparatus;
Fig. 7 is the structural schematic diagram of another embodiment of calibrating installation of the present invention;
Fig. 8 is the structural schematic diagram of the another embodiment of calibrating installation of the present invention;
Fig. 9 is the structural schematic diagram of calibrating installation another embodiment of the present invention.
Drawing reference numeral explanation:
Label | Title | Label | Title |
100 | Calibrating installation | 15 | Mobile platform |
10 | Support | 20 | Reference light source |
11 | Pedestal | 21 | Light source |
12 | Support frame | 22 | Protective shell |
121 | Support column | 221 | Light hole |
13 | Hoistable platform | 30 | Light intensity detection component |
131 | Lock screw/bolt | 31 | Optical fiber head |
14 | Mounting platform | 40 | Referring to light source |
141 | Light via hole | 50 | Apart from acquisition device |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.
In addition, the meaning of the "and/or" occurred in full text is, and including three schemes arranged side by side, by taking " A and/or B " as an example,
The scheme met simultaneously including A scheme or B scheme or A and B.
As shown in figs 1-9, the present invention proposes the detection method and LED light light intensity of a kind of calibrating installation 100, LED light light intensity
Detection method detection system.
To facilitate the understanding of the present invention, inventive concept of the invention is illustrated below.
In the prior art, since the standard of different types of LED analyzer/tester is different, cause: when different types of
When LED analyzer detects same LED light product, testing result differs greatly.
In view of the above problems, the present invention is directed to the testing results to LED light to seek unity of standard, it is based on this, purport of the present invention
It is seeking unity of standard by one referring to testing result of the light source 40 to LED light, which is intermediary, is used for
Convert to the unit of the detection light intensity value of product to be measured (LED light), realize to the testing result of product to be measured (LED light) into
Row unified standard;Wherein light intensity refers to luminous intensity.And if to realize the testing result by one referring to light source 40 to LED light
It seeks unity of standard, then to the unit of the detection light intensity value referring to light source 40 will calibrate/demarcate first;Based on this,
The present invention is directed to calibrate/demarcate by the unit of 20 pairs of the reference light source detection light intensity values referring to light source 40.
Wherein, reference light source 20 is benchmark medium, is used to change the unit of the detection light intensity value referring to light source 40
It calculates, calibrate/demarcate to referring to light source 40 to realize, make light on the basis of the unit conversion referring to the detection light intensity value of light source 40
The unit in source 20.
Specifically, standard sources can be used, (also known as " international candle " refers to International Commission on Illumination for uniform color measurement
When illumination defined light source) be used as reference light source 20, benchmark light intensity of the light intensity value of standard sources as reference light source 20
Value I0.Wherein, the light intensity value of standard sources is international unit, i.e. candela (writing a Chinese character in simplified form cd);In this way, finally can be by product to be measured
The detection light intensity value of (LED light) is converted into international unit, realizes and carries out unified mark to the testing result of product to be measured (LED light)
It is quasi-.
Particularly, based on essentially identical consideration, reference light source 20 can also be customized light source, the benchmark of reference light source 20
Light intensity value I0Also it is customized luminous intensity unit, finally the detection light intensity value of product to be measured (LED light) can be converted into customized light
Strong unit, realization seek unity of standard to the testing result of product to be measured (LED light).
In the present embodiment, in order to improve versatility of the invention, using standard sources, (also known as " international candle ", refers to
International Commission on Illumination is the light source of illumination defined when uniform color measures) it is used as reference light source 20.
In an embodiment of the present invention, as shown in Figure 1, the detection method of the LED light light intensity includes:
S10, the benchmark light intensity value I for obtaining reference light source 200。
In the present embodiment, reference light source 20 is that (also known as " international candle " refers to that International Commission on Illumination is to standard sources
The light source of illumination defined when uniform color measures), the benchmark light intensity value I of reference light source 200For the light intensity value of standard sources,
At this point, the benchmark light intensity value I of reference light source 200Unit be international unit, i.e. candela (writing a Chinese character in simplified form cd).
Certainly, in other embodiments, the reference light source 20 can also be customized light source, the reference light of reference light source 20
Intensity values I0It also is customized luminous intensity unit.Customized light source and its benchmark light intensity value I0The setting of customized luminous intensity unit can join
Standard sources and its light intensity value are examined, need not be described in detail herein.
S20, the first light-intensity test value I referring to light source 40 at the first default detecting distance is obtainedx。
Described referring to light source 40 is intermediary, and the unit for being used for the detection light intensity value to product to be measured converts,
It realizes the qualitative assessment sought unity of standard to the light intensity of product to be measured, realizes that different test equipments tests same product to be measured
When test result consistency.Wherein, referring to light source 40 be LED light or the product with LED light, it is in the present embodiment, described
It is RGB LED light or the workpiece with RGB LED light referring to light source 40.
Specifically, light intensity (i.e. luminous intensity) refers to the big of the luminous flux that light source issues in the solid angle of a direction
Small, size and light emitting angle have relationship.
In step S20, the first light-intensity test value I referring to light source 40 in a first direction is obtainedx, in this implementation
In example, the first direction is chosen as the surface referring to light source 40, i.e. first direction is vertical direction (i.e. up and down direction).
Specifically, light intensity detection component 30 (light intensity detector/light intensity detection device) can be used to detect referring to light source 40
Light intensity value.Specifically, the will be adjusted to the distance between in a first direction referring to light source 40 and light intensity detection component 30
One default detecting distance uses light intensity detection component 30 to obtain the first default inspection referring to light source 40 in a first direction
First light-intensity test value I of the ranging from placex;Wherein, the first default detecting distance can sets itself according to the actual situation.
S30, second light-intensity test value I of the reference light source 20 at the described first default detecting distance is obtainedy。
In step s 30, the second light-intensity test value I of reference light source 20yFor the light of benchmark light source 20 in a first direction
Strong detected value, the first direction are chosen as the surface of reference light source 20.
Specifically, reference light source 20 and light intensity detection component 30 are adjusted to the distance between in a first direction
One default detecting distance uses light intensity detection component 30 to obtain the first default inspection of the reference light source 20 in a first direction
Second light-intensity test value I of the ranging from placey;The light intensity detection component 30 is referring to the light intensity detection component 30 of light source 40 with detection
For same equipment.
It should be noted that the sequence of above step S20 and S30 are adjustable;Obtained respectively using light intensity detection component 30
Take the first light-intensity test value I at the first default detecting distance of reference light source 40 and reference light source 20 in a first directionxWith
Second light-intensity test value Iy。
S40, the benchmark light intensity value I based on the reference light source 200, the first light-intensity test value IxWith the second light-intensity test value
Iy, obtain the reference light intensity value I referring to light source 40b。
Specifically, the reference light intensity value I referring to light source 40bMeet: Ib=(Ix/Iy)*I0.That is IbEqual to IxWith Iy
Ratio again with I0Product.IbUnit be international light unit.
So, it can be achieved that calibrate/demarcate using 20 pairs of the reference light source light-intensity test results referring to light source 40, make to join
The first light-intensity test value I in irradiation source 40xIt is converted into the reference light intensity value I that unit is international light unitb, so that reference light source
20 can the light-intensity test result to product to be measured sought unity of standard and (school carried out to the light-intensity test result of product to be measured
Standard/calibration).
In a particular embodiment, after being calibrated to the light-intensity test result referring to light source 40, using referring to light source 40
Product to be measured is calibrated;Under normal conditions, the producing line product that product to be measured has usually just been produced, the producing line product need
It is tested to determine whether it is qualified products;Certainly, product to be measured is also possible to qualified products, sometimes, it is also desirable to right
Qualified products carry out second test.The present invention is illustrated so that product to be measured is producing line product as an example.
Further, as shown in Figures 2 and 3, the detection method of the LED light light intensity further include:
S50, first detected at the second default detecting distance referring to light source 40 by producing line light intensity test device is obtained
Producing line light-intensity test value Ixx。
Specifically, second will be adjusted to the distance between in a second direction referring to light source 40 and producing line light intensity test device
Default detecting distance obtains the second default detecting distance referring to light source 40 in a second direction using producing line light intensity test device
The first producing line light-intensity test value I at placexx.The second direction is chosen as the surface referring to light source 40, i.e. second direction and the
One direction is same direction, i.e. vertical direction.
S60, acquisition product to be measured are detected at the described second default detecting distance by the producing line light intensity test device
The second producing line light-intensity test value Iyy.The second direction is chosen as the surface of product to be measured.
Specifically, it is pre- that product to be measured and producing line light intensity test device are adjusted to second the distance between in a second direction
If detecting distance, obtained at the second default detecting distance of product to be measured in a second direction using producing line light intensity test device
Second producing line light-intensity test value Iyy。
It should be noted that the sequence of above step S50 and S60 are adjustable;Distinguished using producing line light intensity test device
Obtain the first producing line light-intensity test value at the second default detecting distance of reference light source 40 and product to be measured in a second direction
IxxWith the second producing line light-intensity test value Iyy.Optionally, step S50 can first be carried out.
Wherein, product to be measured is the LED light on production line or the product with LED light, in the present embodiment, product to be measured
Product for RGB LED light or with RGB LED light.
Specifically, usually having producing line light on the production line or light-intensity test producing line of LED light or the product with LED light
Strong test device, for testing the product to be measured in producing line.
Under normal conditions, which has transmission platform, and product to be measured is arranged on transmission platform, transmission platform drive to
Product is surveyed to travel forward.Producing line light intensity test device is generally arranged at the top of delivery platform, to be measured on transmission platform
Product is tested.
In the present embodiment, optionally, it will first can be arranged on transmission platform referring to light source 40, and before product to be measured
Side, so that producing line light intensity test device is first detected to referring to light source 40.Its substantially course of work are as follows:
S51, when moving to the underface of producing line light intensity test device referring to light source 40, producing line light intensity test device is located at
It is the second default detecting distance referring to the distance between light source 40 and producing line light intensity test device referring to the surface of light source 40,
Transmission platform stop motion, producing line light intensity test device are tested referring to light source 40, and the test value of acquisition is the first producing line
Light-intensity test value Ixx。
S61, transmission platform move forward, when product to be measured moves to the underface of producing line light intensity test device,
Producing line light intensity test device is located at the surface of product to be measured, and the distance between product to be measured and producing line light intensity test device are the
Two default detecting distances, transmission platform stop motion, producing line light intensity test device test product to be measured, the test of acquisition
Value is the second producing line light-intensity test value Iyy。
Then, transmission platform moves forward, to test next product to be measured.
S70, the reference light intensity value I based on the reference light source 40b, the first producing line light-intensity test value IxxWith the second producing line light
Strong detected value Iyy, obtain the reference light intensity value I of the product to be measured.
Specifically, the reference light intensity value I of the product to be measured meets: I=(Ixx/Iyy)*Ib;Alternatively, I=(Ib/Iyy)*
Ixx.That is, I is equal to IxxWith IyyRatio again with IbProduct;Alternatively, I is equal to IbWith IyyRatio again with IxxProduct.Wherein,
The unit of I is international unit.
It should be noted that when using I=(Ib/Iyy)*IxxIt, can I when formula calculatesb/IyyValue be used as " conversion scale system
It counts k " and inputs in producing line light intensity test system, in this way, measuring IxxAfter can immediately arrive at referring to light intensity value I.
In this way, using referring to light source 40, it can be by producing line light intensity test device to the second producing line light intensity of product test to be measured
Detected value IyyIt is converted to, unit is for international light unit referring to light intensity value I, it can be achieved that quantifying to the light intensity of product to be measured
Assessment.Meanwhile test result when can realize the same product to be measured of different producing line light intensity test device to test using this method
It is convertible into international light unit, test result consistency is improved, test result and human eye viewing effect pair can be easy to implement
Deng so as to quickly determine the target brightness value of product to be measured.
In addition, passing through experimental verification: the different same productions to be measured of producing line light intensity test device to test can be made by above method
Test result error when product guarantees within 5%.
Further, the shape referring to light source 40 is identical as the shape of product to be measured.In this way, can simplify referring to light source
40 test process in producing line improves the property easy to use referring to light source 40.
In practical applications, it can be prepared corresponding referring to light source 40 according to the shape of different products to be measured.
It should be pointed out that the present invention can be achieved to the convenient and quick school of the light-intensity test result of producing line light intensity test device
It is quasi-;The conversion established between the light-intensity test result of producing line light intensity test device and international light unit (candela (cd)) is closed
System realizes the consistency of the light intensity test result of producing line light intensity test device.
It should be noted that the unit referring to light intensity value I of product to be measured can be further converted into the world by the present invention
Optical unit lumen (lm), need not be described in detail herein.
According to the part steps (i.e. step S20 and step S30) in above method, the present invention proposes a kind of calibrating installation
100。
In an embodiment of the present invention, as shown in figures 4-9, the calibrating installation 100 includes:
Support 10 has the first installation position and the second installation position, and first installation position is for installing referring to light source 40;
Reference light source 20 is set on second installation position;And
Light intensity detection component 30 is arranged on the support 10, and the light intensity detection component 30 is set to first peace
Fill the top of position and the second installation position;
The light intensity detection component 30 is used to detect the light intensity referring to light source 40 at the first default detecting distance, the light
Strong probe assembly 30 is also used to detect light intensity of the reference light source 20 at the first default detecting distance.
Specifically, the light intensity detection component 30 is used to detect the first default detection referring to light source 40 in a first direction
Light intensity at distance, the light intensity detection component 30 are also used to detect the first default detection of reference light source 20 in a first direction
Light intensity at distance;Wherein, first direction is vertical direction.
Specifically, reference light source 20 is benchmark medium, it is used to carry out the unit of the detection light intensity value referring to light source 40
Conversion calibrate/demarcate to referring to light source 40 to realize, on the basis of the unit conversion for detecting light intensity value for making reference light source 40
The unit of light source 20.
In the present embodiment, reference light source 20 is that (also known as " international candle " refers to that International Commission on Illumination is to standard sources
The light source of illumination defined when uniform color measures), the benchmark light intensity value I of reference light source 200For the light intensity value of standard sources,
At this point, the benchmark light intensity value I of reference light source 200Unit be international unit, i.e. candela (writing a Chinese character in simplified form cd).
Certainly, in other embodiments, the reference light source 20 can also be customized light source, the reference light of reference light source 20
Intensity values I0It also is customized luminous intensity unit.Customized light source and its benchmark light intensity value I0The setting of customized luminous intensity unit can join
Standard sources and its light intensity value are examined, need not be described in detail herein.
Specifically, being intermediary referring to light source 40, the unit for being used for the detection light intensity value to product to be measured is changed
It calculates, realizes the qualitative assessment sought unity of standard to the light intensity of product to be measured, realize that different test equipment tests is same to be measured
Test result consistency when product.Wherein, referring to light source 40 be LED light or the product with LED light, in the present embodiment,
The reference light source 40 is RGB LED light or the workpiece with RGB LED light.
It invents, is illustrated below in conjunction with the application method of the above calibrating installation 100 in order to facilitate understanding.
Specifically, when in use, can be performed the following operation to calibrating installation 100:
1) it adjusts light intensity detection component 30 and/or referring to light source 40, is located at light intensity detection component 30 referring to light source 40
Surface, and be the first default detecting distance referring to the distance between light source 40 and light intensity detection component 30, at this point, light intensity detection
The light intensity that component 30 measures reference light source 40 is the first light-intensity test value Ix。
2) light intensity detection component 30 and/or reference light source 20 are adjusted, light intensity detection component 30 is made to be located at reference light source 20
Surface, and the distance between reference light source 20 and light intensity detection component 30 are the second default detecting distance, at this point, light intensity detection
The light intensity that component 30 measures reference light source 20 is the second light-intensity test value Iy。
It then, can be based on the benchmark light intensity value I of the reference light source 200, the first light-intensity test value IxWith the second light-intensity test
Value Iy, obtain the reference light intensity value I referring to light source 40b.Specifically, the reference light intensity value I referring to light source 40bIt is full
Foot: Ib=(Ix/Iy)*I0。
So, it can be achieved that calibrate/demarcate referring to light source 40 using 20 pairs of reference light source, so that reference light source 20 can
It is sought unity of standard to the testing result of LED light to be measured and (the testing result of LED light to be measured calibrate/demarcate).
Moreover, light intensity detection component 30 can be improved to reference light source 20 and referring to light source 40 by setting calibrating installation 100
The accuracy and convenience of detection, so that the first light-intensity test value I can be improvedxWith the second light-intensity test value IyAccuracy, thus
It can be improved referring to light intensity value IbAccuracy.
Further, as Figure 4-Figure 6, first installation position is set to second installation position and the light intensity detection group
Between part 30, the light intensity detection component 30 and the reference light source 20 in the up-down direction at a distance from it is adjustable, to realize: reference
The distance between light source 40 and light intensity detection component 30 and the distance between reference light source 20 and light intensity detection component 30 are adjustable
For the first default detecting distance;So that: the light intensity detection component 30 is examined for detecting described preset referring to light source 40 first
Light intensity of the ranging from place, the light intensity detection component 30 are also used to detect the reference light source 20 at the first default detecting distance
Light intensity.
Specifically, first installation position is set between the second installation position, light intensity detection component 30 is set to the first installation position
Top;Wherein, it is set to the first installation position referring to light source 40, reference light source 20 is set to the second installation position, i.e., is set to referring to light source 40
The top of reference light source 20, light intensity detection component 30 are set to the top referring to light source 40.
Wherein, the light intensity detection component 30 and reference light source 20 in the up-down direction at a distance from it is adjustable at least have it is following
Meaning:
1) position of first installation position on support 10 is fixed, so that position of the reference light source 20 on support 10 is solid
Fixed, the light intensity detection component 30 is liftably set on the support 10, so that light intensity detection component 30 and reference light source 20
Distance in the up-down direction is adjustable, to realize: referring to the distance between light source 40 and light intensity detection component 30 and reference light source
The distance between 20 and light intensity detection component 30 can be adjusted to the first default detecting distance.
It, can be by adjusting the position of light intensity detection component 30 in the up-down direction when using calibrating installation 100 in the design
It sets, makes referring to the distance between light source 40 and light intensity detection component 30 to be the first default detecting distance, at this time light intensity detection component
30 can measure the light intensity referring to light source 40, and be denoted as the first light-intensity test value Ix;It then, can be by adjusting light intensity detection group again
The position of part 30 in the up-down direction, make the distance between reference light source 20 and light intensity detection component 30 be the second default detection away from
From light intensity detection component 30 can measure the light intensity of reference light source 20 at this time, and be denoted as the second light-intensity test value Iy。
2) position of the light intensity detection component 30 on support 10 is fixed, and first installation position is liftably set to institute
It states on support 10, so that reference light source 20 is liftably set on the support 10, so that light intensity detection component 30 and reference light
The distance of source 20 in the up-down direction is adjustable.
In this design, the evacuation that need to make the movement of the second installation position of evacuation to the first installation position designs, such as described first peace
Fill position also liftably be set to the support 10 on etc., with realize: referring to the distance between light source 40 and light intensity detection component 30,
And the distance between reference light source 20 and light intensity detection component 30 can be adjusted to the first default detecting distance.
3) first installation position is liftably set on the support 10, and the light intensity detection component 30 is liftably
On the support 10 so that light intensity detection component 30 and reference light source 20 in the up-down direction at a distance from it is adjustable, to realize:
It is equal referring to the distance between light source 40 and light intensity detection component 30 and the distance between reference light source 20 and light intensity detection component 30
The first default detecting distance can be adjusted to.
In the present embodiment, with " position of first installation position on support 10 is fixed, and the light intensity detection component
30 are liftably set on the support 10 " it is illustrated.
Further, as Figure 4-Figure 6, the support 10 includes pedestal 11 and the support frame 12 being convexly equipped on pedestal 11,
First installation position is set on support frame as described above 12, described to be removably mounted on the first installation position referring to light source 40, described
Second installation position is set to pedestal 11;The light intensity detection component 30 is liftably set on support frame 12, so that the light intensity is visited
Survey component 30 and reference light source 20 in the up-down direction at a distance from it is adjustable.
Specifically, support frame 12 is used to support light intensity detection component 30 and the reference light source 40 set on the first installation position, institute
It states pedestal 11 and is used to support the support frame 12;So set, the structure of support 10 can be simplified.In the present embodiment, the pedestal
11 is substantially plate-like.
Further, as Figure 4-Figure 6, the support 10 further includes that can slide up and down to the liter being mounted on support frame 12
Platform 13 drops, and the light intensity detection component 30 is mounted on hoistable platform 13, so that the light intensity detection component 30 is liftably
On support frame 12.In this way, light intensity detection component 30 can be easily installed by the way that hoistable platform 13 is arranged.
Specifically, as Figure 4-Figure 6, the hoistable platform 13 is lifter plate;Support frame as described above 12 includes being convexly equipped in pedestal
Two support columns 121 that are on 11 and being oppositely arranged, the hoistable platform 13 are equipped with two slide openings, and the hoistable platform 13 passes through
The slide opening, which can slide up and down to, to be mounted on support column 121.
It should be pointed out that the shape of two support columns 121 may be the same or different;The shape of two slide openings and respectively
The shape of corresponding support column 121 is adapted.In the present embodiment, the shape of two support columns 121 is different, and a support column 121 is
Cylindric, corresponding slide opening is circular hole;Another support column 121 is flat column, and corresponding slide opening is square hole.
Specifically, the light intensity detection component 30 has optical fiber head 31, optical fiber head 31 is for receiving light;The lifting is flat
Platform 13 is equipped with optical fiber via hole (figure is not marked), and light intensity detection component 30 is mounted on the upper surface of hoistable platform 13, the optical fiber head
31 are mounted in the optical fiber via hole.
In the present embodiment, the length of the optical fiber head 31 is shorter, to avoid the process gone up and down in light intensity detection component 30
Middle optical fiber head 31 shakes, to guarantee that the bending angle of optical fiber head 31 is constant, to improve the accuracy of detection.It is of course also possible to
It realizes object above by other means, anti-shake pipe is set such as outside optical fiber head 31, the anti-shake pipe corresponds to optical fiber via hole and sets
It sets, and is set in outside optical fiber head 31.
In other embodiments, light intensity detection component 30 liftably can also be set to support frame 12 by other means
On, for example light intensity detection component 30 is directly slidably mounted on support column 121;For another example support frame 12 drives equipped with straight line
Dynamic device (such as cylinder driver or Driven by Hydraulic Cylinder device or gear-tooth driving device), light intensity detection component 30
Set on the output end of the linear drive apparatus;Etc., it need not repeat one by one herein.
In the present embodiment, it is gone up and down by manually adjusting hoistable platform 13;Certainly, it in other embodiments, can also be used
Linear drive apparatus come drive hoistable platform 13 go up and down.
Further, location structure is additionally provided on the hoistable platform 13, the location structure includes lock screw/bolt
131 and on the side of the hoistable platform 13 and with a slide opening perforation locking hole, the lock screw/bolt 131
It is threadedly coupled with locking hole, unscrews lock screw/bolt 131, i.e., adjustable hoistable platform 13 is gone up and down;When hoistable platform 13 moves
When to predeterminated position, lock screw/bolt 131 is screwed, abuts lock screw/bolt 131 with support column 121, thus to liter
Drop platform 13 is positioned.
Further, as Figure 4-Figure 6, the support 10 further include be set to reference light source 20 and light intensity detection component 30 it
Between mounting platform 14, the mounting platform 14 is mounted on support frame 12, and first installation position is set on mounting platform 14,
It is described to be removably installed in the first installation position referring to light source 40;And the mounting platform 14 is equipped with light via hole 141, it is described
The light that light via hole 141 is used to issue for reference light source 20 passes through.In the present embodiment, the mounting platform 14 is mounting plate.
Specifically, when detection is referring to light source 40 the first installation position will be mounted on referring to light source 40;When detection reference light source
It when 20, will be unloaded referring to light source 40 from the first installation position, the light that reference light source 20 issues passes through light via hole 141 and tested.
In this way, can be easily installed by the way that mounting platform 14 is arranged referring to light source 40.
Specifically, first installation position includes clamping structure and/or screw connection structure, so as to can lead to referring to light source 40
It crosses clamping structure and/or screw connection structure is set to the first installation position, need not be described in detail herein.
It is of course also possible to be not provided with mounting platform 14, and support column 121 will be directly removably mounted on referring to light source 40
On.
Specifically, when the reference light source 20 is standard sources component.The standard sources component includes 22 He of protective shell
Light source 21, the protective shell 22 have the light hole 221 being arranged upward, and the light source 21 is set in protective shell 22, the protection
The inner wall of shell 22 is equipped with light-absorption layer.
Optionally, the light-absorption layer can be coating;I.e. in inner wall painting black light absorbent (such as graphite of protective shell 22
Deng) to form light-absorption layer.
In this way, can avoid the light that light source 21 emits by setting light-absorption layer and multiple reflections occur in protective cover.
It is understood that the light hole 221 is set to the surface of light source, make the light of the transmitting of light source 21 from light hole
It is emitted in 221;Specifically, standard sources can be regarded as to a point light source.
Further, as it can be seen in figures 5 and 6, the calibrating installation 100 further includes apart from acquisition device 50, the distance inspection
Survey device for obtain light intensity detection component 30 and reference light source 20 in the up-down direction at a distance from and the light intensity detection component
30 with referring to light source 40 in the up-down direction at a distance from.
In this way, distance detection device can be used for obtaining light intensity detection component 30 and base by being arranged apart from acquisition device 50
Quasi-optical source 20 distance in the up-down direction and can be used for obtaining light intensity detection component 30 with referring to light source 40 in the up-down direction
Distance, so as to convenient for will be referring to the distance between light source 40 and light intensity detection component 30 and reference light source 20 and light intensity spy
It surveys the distance between component 30 and is quickly adjusted to the first default detecting distance.
Further, as it can be seen in figures 5 and 6, described include displacement record device, the displacement record apart from acquisition device 50
Device is set on the hoistable platform 13 or light intensity detection component 30 of the support 10.Specifically, the displacement record device is trip
Mark slide calliper rule or displacement sensor.
In the present embodiment, the starting point of the displacement record device is benchmark light source 20, the i.e. light when light-intensity test component
When fine head 31 just contacts reference light source 20, the registration of displacement record device is 0.
Specifically, when using calibrating installation 100,1) it will be set to the first installation position referring to light source 40, drive hoistable platform
13 move downward, contact the optical fiber head 31 of light-intensity test component just referring to light source 40, record displacement record device at this time
Registration X1.2) driving hoistable platform 13 moves up to suitable position, records the registration X of displacement record device at this time2;At this point,
The light intensity that light intensity detection component 30 measures reference light source 40 is the first light-intensity test value Ix.3) it unloads referring to light source 40, driving rises
Drop platform 13 moves downwardly to suitable position, makes the registration X of displacement record device3, X3=X2-X1;At this point, light intensity detection
The light intensity that component 30 measures reference light source 20 is the second light-intensity test value Iy。
It is appreciated that X2With X1Difference be the first default detecting distance, i.e. X2-X1=X3=the first default detection away from
From.
Certainly, in other embodiments, it can also be to be set as other positions by the starting point of displacement record device, herein need not
It is described in detail.
It should be noted that can also be realized by other structures will be referring to light source 40 and light intensity in other embodiments
The distance between probe assembly 30 and the distance between reference light source 20 and light intensity detection component 30 are adjusted to the first default inspection
Ranging is from citing is briefly described below.
In another embodiment of calibrating installation 100 of the present invention, as shown in fig. 7, first installation position and described second
Installation position is same installation position, described alternatively and to be removably mounted on this referring to light source 40 and the reference light source 20
Installation position.
In this embodiment, as shown in fig. 7, when testing first the installation position will can be mounted on referring to light source 40, at this point, light
The light intensity that strong probe assembly 30 measures reference light source 40 is the first light-intensity test value Ix;Then it unloads referring to light source 40, by benchmark
Light source 20 is mounted on the installation position, at this point, the light intensity that light intensity detection component 30 measures reference light source 20 is the second light-intensity test value
Iy。
It should be noted that referring to the shape of light source 40 and reference light source 20, it is generally not identical, it will be referring to light source 40 or base
When quasi-optical source 20 is installed to the installation position, can make the appropriate adjustments so that referring between light source 40 and light intensity detection component 30 away from
From and the distance between reference light source 20 and light intensity detection component 30 be the first default detecting distance.
In the another embodiment of calibrating installation 100 of the present invention, as shown in figure 8, first installation position and the second installation
Position is spaced apart in the horizontal direction, and the position of the light intensity detection component 30 in the horizontal direction is adjustable, so that: the light intensity
Probe assembly 30 is used to detect the light intensity referring to light source 40 at the first default detecting distance, the light intensity detection component 30
It is also used to detect light intensity of the reference light source 20 at the described first default detecting distance.Optionally, the light intensity detection group
Part 30 is installed in rotation on support 10 (support frame 12);Alternatively, the light intensity detection component 30 is mounted on translatablely
On support 10 (support frame 12).
In this embodiment, as shown in figure 8, when testing, it is installed to the first installation position referring to light source 40, reference light source 20 is pacified
It is attached to the second installation position;It can be first by light intensity detection component 30 mobile (translation or rotation) to the surface referring to light source 40, at this time
It is the first default detecting distance referring to the distance between light source 40 and light intensity detection component 30, light intensity detection component 30 measures reference
The light intensity of light source 40 is the first light-intensity test value Ix;Then, mobile (translation or rotation) light intensity detection component 30, makes light intensity detection
Component 30 mobile (translation or rotation) is to the surface of reference light source 20, at this time between reference light source 20 and light intensity detection component 30
Distance be the first default detecting distance, light intensity detection component 30 measure reference light source 20 light intensity be the second light-intensity test value
Iy。
In the another embodiment of calibrating installation 100 of the present invention, as shown in figure 9, first installation position and the second installation
Position is spaced apart in the horizontal direction, and first installation position and the position of the second installation position in the horizontal direction are adjustable, with
Make: the light intensity detection component 30 is used to detect the light intensity referring to light source 40 at the first default detecting distance, the light
Strong probe assembly 30 is also used to detect light intensity of the reference light source 20 at the described first default detecting distance.
In this embodiment, as shown in figure 9, optionally, first installation position and the second installation position are set to a movement and put down
On platform 15, mobile platform 15 is installed in rotation on support 10 (pedestal 11);Alternatively, described, mobile platform 15 is translatable
Ground is mounted on support 10 (pedestal 11).
In this embodiment, when test, it is installed to the first installation position referring to light source 40, reference light source 20 is installed to the second peace
Fill position;Mobile (translation or rotation) mobile platform 15, makes the underface that light intensity detection component 30 is moved to referring to light source 40, at this time
It is the first default detecting distance referring to the distance between light source 40 and light intensity detection component 30, light intensity detection component 30 measures reference
The light intensity of light source 40 is the first light-intensity test value Ix;Then, mobile (translation or rotation) mobile platform 15, transports reference light source 20
It moves to the underface of light intensity detection component 30, the distance between reference light source 20 and light intensity detection component 30 are first default at this time
Detecting distance, the light intensity that light intensity detection component 30 measures reference light source 20 is the second light-intensity test value Iy。
The present invention also proposes that a kind of detection system of LED light light intensity, the detection system of the LED light light intensity include:
Calibrating installation 100;
Referring to light source 40, first installation position that calibrating installation 100 is removably installed in referring to light source 40;
Light-intensity test producing line;And
Producing line light intensity test device is set to the light-intensity test producing line, and the producing line light intensity test device is for detecting
The light intensity value of product to be measured in the light-intensity test producing line;The producing line light intensity test device is also used to detect the reference light
Light intensity value when source 40 is arranged in the light-intensity test producing line.
The specific structure of calibrating installation 100 is referring to above-described embodiment, since the detection system of LED light light intensity of the present invention uses
Whole technical solutions of above-mentioned all embodiments, therefore at least all brought by the technical solution with above-described embodiment have
Beneficial effect, this is no longer going to repeat them.
Specifically, the light-intensity test producing line has transmission platform, product to be measured is arranged on transmission platform, transmission platform
Product to be measured is driven to travel forward.Producing line light intensity test device is generally arranged at the top of delivery platform, on transmission platform
Product to be measured tested.
In the present embodiment, optionally, it will first can be arranged on transmission platform referring to light source 40, and before product to be measured
Side, so that producing line light intensity test device is first detected to referring to light source 40.Its substantially course of work are as follows:
1) when moving to the underface of producing line light intensity test device referring to light source 40, producing line light intensity test device is located at ginseng
The surface in irradiation source 40 is the second default detecting distance referring to the distance between light source 40 and producing line light intensity test device, passes
Defeated platform stop motion, producing line light intensity test device are tested referring to light source 40, and the test value of acquisition is the first producing line light
Strong detected value Ixx。
2) transmission platform moves forward, and when product to be measured moves to the underface of producing line light intensity test device, produces
The strong test device of linear light is located at the surface of product to be measured, and the distance between product to be measured and producing line light intensity test device are second
Default detecting distance, transmission platform stop motion, producing line light intensity test device test product to be measured, the test value of acquisition
For the second producing line light-intensity test value Iyy。
Then, transmission platform moves forward, to test next product to be measured.
In this way, can be based on the reference light intensity value I referring to light source 40b, the first producing line light-intensity test value IxxIt is produced with second
The strong detected value I of linear lightyy, obtain the reference light intensity value I of the product to be measured.That is I=(Ixx/Iyy)*Ib;Alternatively, I=(Ib/
Iyy)*Ixx。
In this way, using referring to light source 40, it can be by producing line light intensity test device to the second producing line light intensity of product test to be measured
Detected value IyyIt is converted to, unit is for international light unit referring to light intensity value I, it can be achieved that quantifying to the light intensity of product to be measured
Assessment.Meanwhile test result when can realize the same product to be measured of different producing line light intensity test device to test using this method
It is convertible into international light unit, test result consistency is improved, test result and human eye viewing effect pair can be easy to implement
Deng so as to quickly determine the target brightness value of product to be measured.
Further, the shape referring to light source 40 is identical as the shape of product to be measured.In this way, can simplify referring to light source
40 test process in producing line improves the property easy to use referring to light source 40.
In practical applications, it can be prepared corresponding referring to light source 40 according to the shape of different products to be measured;To improve
The applicability of calibrating installation 100.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of calibrating installation characterized by comprising
Support has the first installation position and the second installation position, and first installation position is for installing referring to light source;
Reference light source is set on second installation position;And
Light intensity detection component is arranged on the support, and the light intensity detection component is set to first installation position and second
The top of installation position;
The light intensity detection component is used to detect the light intensity referring to light source at the first default detecting distance, and the light intensity is visited
It surveys component and is also used to detect light intensity of the reference light source at the described first default detecting distance.
2. calibrating installation as described in claim 1, which is characterized in that first installation position be set to second installation position with
Between the light intensity detection component, the light intensity detection component and the reference light source in the up-down direction at a distance from it is adjustable, with
Make: the light intensity detection component is used to detect the light intensity referring to light source at the first default detecting distance, and the light intensity is visited
It surveys component and is also used to detect light intensity of the reference light source at the described first default detecting distance.
3. calibrating installation as claimed in claim 2, which is characterized in that the support includes pedestal and is convexly equipped on the pedestal
Support frame, second installation position is set to the pedestal, and the light intensity detection component is liftably set on support frame as described above,
So that the light intensity detection component and the reference light source in the up-down direction at a distance from it is adjustable;First installation position is set to institute
It states on support frame.
4. calibrating installation as claimed in claim 3, which is characterized in that the support further includes that can slide up and down to be mounted on institute
The hoistable platform on support frame is stated, the light intensity detection component is mounted on the hoistable platform.
5. calibrating installation as claimed in claim 3, which is characterized in that the support further includes being set to the reference light source and institute
The mounting platform between light intensity detection component is stated, the mounting platform is mounted on support frame as described above, and first installation position is set
In on the mounting platform;And the mounting platform is equipped with light via hole, the light via hole is used to supply the reference light source
The light of sending passes through.
6. the calibrating installation as described in any one of claim 1 to 5, which is characterized in that the reference light source is standard light
Source component.
7. calibrating installation as claimed in claim 6, which is characterized in that the standard sources component includes protective shell and light source,
The protective shell has the light hole being arranged upward, and the light source is set in the protective shell, and the inner wall of the protective shell is set
There is light-absorption layer.
8. the calibrating installation as described in any one of claim 1 to 5, which is characterized in that the calibrating installation further include away from
From acquisition device, the distance detection device is for obtaining the light intensity detection component and the reference light source in the up-down direction
Distance and the light intensity detection component with it is described referring to light source in the up-down direction at a distance from.
9. calibrating installation as claimed in claim 7, which is characterized in that it is described apart from acquisition device include displacement record device,
The displacement record device is set on the hoistable platform of the support.
10. the calibrating installation as described in any one of claim 1 to 5, which is characterized in that first installation position with it is described
Second installation position is same installation position, described alternatively and to be removably mounted on this referring to light source and the reference light source
Installation position;Alternatively,
First installation position is spaced apart in the horizontal direction with second installation position, and the light intensity detection component is in level
Position on direction is adjustable, so that: the light intensity detection component is for detecting the reference light source in the first default detecting distance
The light intensity at place, the light intensity detection component are also used to detect light of the reference light source at the described first default detecting distance
By force;Alternatively,
First installation position is spaced apart in the horizontal direction with second installation position, and first installation position with it is described
The position of second installation position in the horizontal direction is adjustable, so that: the light intensity detection component exists for detecting the reference light source
Light intensity at first default detecting distance, it is default described first that the light intensity detection component is also used to detect the reference light source
Light intensity at detecting distance.
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CN101689222A (en) * | 2007-05-07 | 2010-03-31 | 真实仪器公司 | Calibration of a radiometric optical monitoring system used for fault detection and process monitoring |
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