CN110068534A - Detection accurate electro-optical device and measuring instrument out - Google Patents
Detection accurate electro-optical device and measuring instrument out Download PDFInfo
- Publication number
- CN110068534A CN110068534A CN201910426868.0A CN201910426868A CN110068534A CN 110068534 A CN110068534 A CN 110068534A CN 201910426868 A CN201910426868 A CN 201910426868A CN 110068534 A CN110068534 A CN 110068534A
- Authority
- CN
- China
- Prior art keywords
- light
- optical device
- detection
- electro
- convex lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
Abstract
It is used the invention discloses a kind of detection and precisely goes out electro-optical device and measuring instrument, the detection includes light-emitting surface and convex lens with electro-optical device is precisely gone out, described shine emits light towards the convex lens, the light-emitting surface includes more than one luminous zone, the luminous zone has boundary, the asymmetric setting of optical axis of the relatively described convex lens in the boundary of at least one luminous zone.Measuring instrument of the invention includes the accurate electro-optical device out of above-mentioned detection.Good illumination effect of the present invention to the especially asymmetric defect of tiny flaw, the effect stability height that any position of the workpiece in illumination region is presented.
Description
Technical field
Present invention is generally directed to field of machine vision, in particular to a kind of detection with precisely go out electro-optical device and
Measuring instrument.
Background technique
Currently, during workpiece sensing, it is bad for the light source illuminating effect of the light defects of workpiece surface, especially
The defects of being workpiece surface gentle slope class light defects, tool marks cut mark, industry light source package still up to standard without effect cause this
The missing inspection of class defect is to cause production accident.In addition, current machine visual field uses axis light, ring light or plate light
The ordinary light sources such as source illuminate workpiece, but the lighting area consistency of these light sources is poor, and workpiece is placed in different location when institute
The illuminating effect of presentation is different, and when workpiece is located at certain positions in illumination region, light defects such as scratch cannot be by light
Source forcing is obvious imaging, causes the detection of certain surface defects of workpiece unstable, this just needs for workpiece to be placed on illumination
Defect on specific position, workpiece and light source in region are in specific position, could defect slightly be showed, but
On automatic detection assembly line, dynamic detection process is unable to ensure the special bit met between defect and light source on workpiece
Requirement is set, the recall rate of Surface Flaw is low.
Therefore, industry need a kind of illuminating effect consistency it is good, it is inexpensive, can solve surface gentle slope class light defects,
The detection of the defects of tool marks cut mark accurate electro-optical device and measuring instrument out.
Summary of the invention
A primary object of the present invention is to overcome at least one defect of the above-mentioned prior art, provides a kind of illumination
The good and inexpensive detection of same effect accurate electro-optical device and measuring instrument out.
For achieving the above object, the present invention adopts the following technical scheme:
According to an aspect of the invention, there is provided a kind of detection is with electro-optical device is precisely gone out, the detection, which is used, precisely goes out light
Device includes light-emitting surface and convex lens, and described shine emits light towards the convex lens, and the light-emitting surface includes more than one
Luminous zone, the luminous zone has boundary, the optical axis of the relatively described convex lens in the boundary of at least one luminous zone
Asymmetric setting.
According to an embodiment of the present invention, the luminous zone is monochromatic luminous zone.Monochromatic luminous zone can emit white light,
The light of single color.
According to an embodiment of the present invention, the monochromatic luminous zone is two or more, all homochromy monochromatic hairs
Light area constitutes homochromy luminous district's groups, the asymmetric setting of optical axis of at least one set of homochromy relatively described convex lens of luminous district's groups.
Homochromy luminous district's groups may include the luminous zone an of luminous zone, two luminous zones and three or more, as long as each luminous zone is only
The light for sending out color same.
According to an embodiment of the present invention, the homochromy luminous district's groups are two or more.
According to an embodiment of the present invention, the light-emitting surface includes a luminous zone, and one luminous zone is to described
Convex lens emits monochromatic light or colourama, the boundary shape of the luminous zone be semicircle, rectangle, quadrant, sector,
Any one of triangle, polygon.
According to an embodiment of the present invention, the light-emitting surface includes three to the four monochromatic luminous zones and each institute
It states monochromatic luminous zone color to be all different, the light of the relatively described convex lens in the boundary of any one monochromatic luminous zone
The asymmetric setting of axis.
According to an embodiment of the present invention, the boundary of the monochromatic luminous zone is sector or is rectangle.
According to an embodiment of the present invention, the detection is included light-emitting LED array of particles and is overflow with electro-optical device is precisely gone out
Plate is penetrated, the beam projecting face of light-emitting LED array of particles throw light on the diffusing panel, the diffusing panel forms institute
State light-emitting surface.
According to an embodiment of the present invention, the detection further includes diaphragm with electro-optical device is precisely gone out, described light-emitting LED
Array of particles and the diaphragm are located at the two sides of the diffusing panel, one side institute circle of the diaphragm close to the convex lens
Fixed luminous hole face is the light-emitting surface.
According to an embodiment of the present invention, the diaphragm inner hole is adjustable.
According to an embodiment of the present invention, being sticked on the diffusing panel has brightness enhancement film or prism film.
According to an embodiment of the present invention, the detection further includes spectroscope with electro-optical device is precisely gone out, the spectroscope
Be set to the convex lens far from the light-emitting surface one side, the spectroscope by the luminous surface launching come light, into
Row part is reflected, and to project light object surface, the reflected light on light object surface is transmitted through the spectroscope.
According to an embodiment of the present invention, the convex lens is Fresnel Lenses.
According to an embodiment of the present invention, the detection with precisely go out electro-optical device be used for the metal surface of workpiece into
Row illumination.
According to an embodiment of the present invention, the focal length of the convex lens is A, and the light-emitting surface is located at the convex lens
Focal plane or between the X-plane and Y plane parallel with the focal plane, the X-plane and the Y plane difference
Positioned at the focal plane two sides, and between the focal plane, distance is less than or equal to A/5.
According to an embodiment of the present invention, the X-plane and the Y plane are located at the focal plane two sides, and
Distance is less than or equal to A/10 between the focal plane.
According to an embodiment of the present invention, the X-plane and the Y plane are located at the focal plane two sides, and
Distance is less than or equal to A/20 between the focal plane.
According to an embodiment of the present invention, the X-plane and the Y plane are located at the focal plane two sides, and
Distance is less than or equal to A/100 between the focal plane.
According to an embodiment of the present invention, the boundary bore of the convex lens is D, T=A/D, and T 0.25 to 1.5
Between.
According to an embodiment of the present invention, the D is between 30 to 120 millimeters.
According to an embodiment of the present invention,
Distance is respectively less than between distance and the Y plane and the focal plane between the X-plane and the focal plane
Equal to 5 millimeters；
Also, the boundary bore of the convex lens is D, T=A/D and T between 0.25 to 1.5；
Also, the D is between 20 to 200 millimeters.
According to another aspect of the present invention, a kind of measuring instrument is additionally provided, including as above any detection essence
Standard goes out electro-optical device, and the detection is used for electro-optical device is precisely gone out to article throw light to be measured, the measuring instrument further include:
Carrying apparatus, for carrying the article to be measured；
Photographic means is configured to shoot the image of the article to be measured.
As shown from the above technical solution, detection of the invention with precisely go out electro-optical device the advantages of and have the active effect that
In the present invention, one or more luminous zones of light-emitting surface, by opposite on its boundary shape or in color layout
The asymmetric setting of convex lens optical axis, and then emit light to convex lens, to tiny flaw especially asymmetric defect (such as
Gentle slope class defect, scratch tool marks defect) good illumination effect, the effect that any position of the workpiece in illumination region is presented is steady
Qualitative height, be applicable to the overwhelming majority workpiece surface, it can be achieved that Surface Flaw high stability, high contrast detection,
Defect detection rate improves, and testing cost reduces, and conducive to the raising of product quality, has very high economy, is extremely suitble to
Industry is promoted the use of.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments as described in this application, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained such as these attached drawings.
Fig. 1 is one embodiment of the invention detection schematic diagram of internal structure for precisely going out electro-optical device.
Fig. 2 is one embodiment of the invention detection overall structure diagram for precisely going out electro-optical device.
Fig. 3 is a form of structural schematic diagram of one embodiment of the invention detection with the diaphragm for precisely going out electro-optical device.
Fig. 4 is another form of structural schematic diagram of one embodiment of the invention detection with the diaphragm for precisely going out electro-optical device.
Fig. 5 is a form of structural schematic diagram of one embodiment of the invention detection with the light-emitting surface for precisely going out electro-optical device.
Fig. 6 is another form of structural representation of one embodiment of the invention detection with the light-emitting surface for precisely going out electro-optical device
Figure.
Fig. 7 is setting position view of one embodiment of the invention detection with the light-emitting surface for precisely going out electro-optical device.
Fig. 8 is that one embodiment of the invention detection uses accurate electro-optical device out about a kind of spectroscopical structure of setting form
Schematic diagram.
Fig. 9 is knot of one embodiment of the invention detection with accurate electro-optical device out about spectroscopical another setting form
Structure schematic diagram.
Figure 10 is light-emitting surface structural representation of one embodiment of the invention detection with the first embodiment for precisely going out electro-optical device
Figure.
Figure 11 is light-emitting surface structural representation of one embodiment of the invention detection with the second embodiment for precisely going out electro-optical device
Figure.
Figure 12 is a form of light-emitting surface of one embodiment of the invention detection with the 3rd embodiment for precisely going out electro-optical device
Structural schematic diagram.
Figure 13 is that one embodiment of the invention detection is shone with the another form of of the 3rd embodiment for precisely going out electro-optical device
Face structural schematic diagram.
Figure 14 is shining for another form of one embodiment of the invention detection 3rd embodiment for precisely going out electro-optical device
Face structural schematic diagram.
Figure 15 is detected by one embodiment of the invention with the knot of one of the light defects that precisely electro-optical device illuminates out shallow tool marks
Structure schematic diagram.
α indicates parallel half-angle in figure.
Wherein, the reference numerals are as follows:
1, convex lens；11, optical axis；2, light-emitting LED array of particles；21, radiator；3, diffusing panel；31, brightness enhancement film；4, light
Door screen；41, inner hole；5, light-emitting surface；51, luminous zone；6, spectroscope；7, workpiece；71, shallow tool marks.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention
Will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus the detailed description that will omit them.
It is described below, is carried out referring to attached drawing, the attached drawing forms of the invention one to difference of the invention is exemplary
Part, and different exemplary structures, system and the step that many aspects of the invention can be achieved wherein are shown by way of example
Suddenly.It should be understood that other specified schemes of component, structure, exemplary means, system and step can be used, and can be not inclined
Structural and functional modification is carried out in the case where from the scope of the invention.Moreover, although term " top can be used in this specification
Portion ", " bottom ", " front ", " rear portion ", " side " etc. describe different example features and element of the invention, but this
A little terms use are in this article merely for convenience, such as such as attached exemplary direction described in figure.Any content in this specification
It is not necessarily to be construed that the specific three dimensional direction of Structure of need is just fallen within the scope of the present invention.
Fig. 1 is one embodiment of the invention detection schematic diagram of internal structure for precisely going out electro-optical device.
Fig. 2 is one embodiment of the invention detection overall structure diagram for precisely going out electro-optical device.
As depicted in figs. 1 and 2, the detection of the embodiment includes light-emitting surface 5 and convex lens 1 with electro-optical device is precisely gone out, and is shone
Face 5 emits light to convex lens 1, and light-emitting surface 5 includes more than one luminous zone 51, is not connected between each luminous zone 51, and
Each luminous zone 51 emits monochromatic light (feux rouges, green light, white light etc.) or colourama, and when luminous zone 51 is one, one shines
The boundary shape in area 51 is asymmetric with respect to the optical axis 11 of convex lens 1；Luminous zone 51 is that more than two and all luminous zones 51 are sent out
When penetrating same color of light, the asymmetric setting of optical axis 11 of the opposite convex lens 1 in all luminous zones 51；Luminous zone 51 be two with
When upper and all luminous zones 51 emit two or more color of light, between all luminous zones 51 of at least one set of homochromy luminous district's groups
The asymmetric setting of optical axis 11 of opposite convex lens 1.The work that detection of the invention is applicable to the overwhelming majority with electro-optical device is precisely gone out
Part is particularly suitable for illuminating the metal surface of workpiece, and especially surface is zinc-plated or the workpiece of nickel plating.
In the embodiment, detection can be an only convex lens with the convex lens 1 for precisely going out electro-optical device, be also possible to
It combines series connection by multiple convex lens to be formed, the focal length of convex lens 1 is A, and it is then that this is more that multiple convex lens, which combine concatenated focal length A,
Equivalent focal length after a convex lens combination；Traditional convex lens can be used in convex lens 1, can also use Fresnel Lenses, this implementation
Fresnel Lenses is preferentially selected in example, Fresnel Lenses is also known as Fresnel lens, is mostly formed by polyolefine material injection pressure, is also had
Made of glass, the lens surface of Fresnel Lenses is smooth surface on one side, the ascending concentric circles of another side imprinting, Fei Nie
Your lens compare traditional convex lens, have many advantages, such as that form is frivolous, manufacturing cost is low, light attenuation is few.
In the embodiment, the boundary bore of convex lens 1 is D, wherein when light-emitting surface 5 can to the light that convex lens 1 emits
When by 1 integral illumination of convex lens, boundary bore D depends on the actual size of convex lens 1, is, if convex lens 1 is round convex
Lens 1, then bore D in boundary is the circular diameter, if convex lens 1 is rectangular convex lens 1, boundary bore D is in this is rectangular
Diameter of a circle is cut, if convex lens 1 is irregular shape convex lens 1, boundary bore D is the boundary rectangle of the irregular shape
Inscribed circle diameter；When the light that light-emitting surface 5 emits to convex lens 1 is a part of area illumination by convex lens 1, side
Boundary bore D depends on the partial region to be illuminated, and similarly, which can be round, rectangular or do not advise
Then shape, then corresponding boundary bore D be respectively circular diameter, rectangular inscribe diameter of a circle, irregular shape external square
The inscribed circle diameter of shape；T=A/D is enabled, then the constraint relationship between the focal length A of convex lens 1 and the boundary bore D of convex lens 1
It is T between 0.25 to 1.5, and D is between 30 millimeters to 120 millimeters.
In the embodiment, distance is respectively less than equal to 5 millis between distance and Y plane and focal plane between X-plane and focal plane
Rice, also, the boundary bore of convex lens be D, T=A/D and T between 0.25 to 1.5, also, D 20 to 200 millimeters it
Between.
In the embodiment, detection is with precisely electro-optical device includes light-emitting LED array of particles 2 and diffusing panel 3 out, and light-emitting LED
The corresponding convex lens 1 of grain array 2 is set to one side of convex lens 1 (being Fresnel Lenses in the present embodiment), is used for diffusing panel 3
Upper throw light, light-emitting LED array of particles 2 may include that several are light-emitting LED, and light-emitting LED array of particles 2 can be circle
Column, annular array, square array or other suitable shapes array, light-emitting LED specific number and light-emitting LED particle battle array
The concrete shape of column 2 can be depending on demand；Corresponding light-emitting LED array of particles 2 is additionally provided with radiator 21, and radiator 21 is used
It radiates in light-emitting LED array of particles 2, to ensure light-emitting LED 2 steady operation of array of particles；Diffusing panel 3 corresponds to convex lens
Mirror 1 is set between convex lens 1 and light-emitting LED array of particles 2, for light-emitting LED array of particles 2 projection come light into
Row diffusion forms diffused light, keeps light angle more abundant, and diffusing panel 3 can have different light transmissions according to the difference of its material
Rate can form different diffusion effects according to the difference of its surface frosted degree；Can be sticked on diffusing panel 3 have brightness enhancement film 31 or
Prism film, brightness enhancement film 31 or prism film are attached in the one side of close convex lens 1 of diffusing panel 3, for improving diffusing panel 3
Beam projecting efficiency so that emergent ray angle Relatively centralized is transmitted through lens to more light, and then is promoted whole
The product of Minnesota Mining and Manufacturing Company can be selected in brightness, brightness enhancement film 31 or prism film.
Fig. 3 is a form of structural schematic diagram of one embodiment of the invention detection with the diaphragm for precisely going out electro-optical device.
Fig. 4 is another form of structural schematic diagram of one embodiment of the invention detection with the diaphragm for precisely going out electro-optical device.
In the embodiment, detection optionally is provided with diaphragm 4 with precisely going out electro-optical device, diaphragm have shading light part with
Light transmission part realizes that the light portion of directive diaphragm passes through partial occlusion, the corresponding convex lens 1 of diaphragm 4 be set to convex lens 1 with
Between diffusing panel 3, light-emitting LED array of particles 2 and diaphragm 4 are located at the two sides of diffusing panel 3, as shown in figure 3, diaphragm 4 can have
Blade and inner hole 41 are blocked, blocks that blade is settable multiple, and inner hole 41 is collectively formed in multiple blades that block, blocks blade use
In shield portions light, another part light can pass through from inner hole 41, and 4 inner hole 41 of diaphragm is adjustable, so that control shines
Face, luminous zone boundary sizes or and shape, and then adjust light-out effect to be applicable in the workpiece or different characteristics of different surfaces
Defect.It is adjustable that the regulative mode of 4 inner hole 41 of diaphragm may be configured as inserted sheet shown in Fig. 3 continuously adjustable or shown in Fig. 4, tool
Body adjusts the visual actual demand setting of form, the inner hole 41 of light passing is offered on inserted sheet, inserted sheet is settable multiple, multiple to insert
41 size of inner hole of piece is different, and the inserted sheet by replacing different 41 sizes of inner hole can realize that inserted sheet is adjustable；Diaphragm 4 can be adopted
With standard diaphragm or non-standard diaphragm, it is also possible to other suitable shading pieces with loophole, it is suitable is also possible to other
The suitable shading piece with loophole, the transmission region of diaphragm are not limited to round or similar round, can be rectangle, triangle, fan
Shape, arbitrary polygon etc..Meanwhile can by construct diaphragm loophole shape come construct luminous zone boundary shape and
Position.
Fig. 5 is a form of structural schematic diagram of one embodiment of the invention detection with the light-emitting surface for precisely going out electro-optical device.
Fig. 6 is another form of structural representation of one embodiment of the invention detection with the light-emitting surface for precisely going out electro-optical device
Figure.
In the embodiment, detection with the light-emitting surface 5 for precisely going out electro-optical device there is following two form: one, such as Fig. 5 is arranged
It is shown, when detection is with precisely electro-optical device is gone out not comprising there is diaphragm 4, light-emitting LED array of particles 2 projection light on diffusing panel 3
Line, the light is projected to convex lens 1 after the brightness enhancement film 31 or prism film blast through being sticked on diffusing panel 3, at this time diffusing panel 3
Face where beam projecting face, that is, brightness enhancement film 31 or prism film is light-emitting surface 5；Two, as shown in fig. 6, when the accurate light dress out of detection
It sets when including diaphragm 4, light-emitting LED array of particles 2 throw light on diffusing panel 3, which is sticked on diffusing panel 3
It is projected after brightness enhancement film 31 or prism film blast, and then some light is projected to convex lens 1 after the inner hole 41 of diaphragm 4, this
When, the inner hole 41 of diaphragm 4 is light-emitting surface 5 close to the luminous hole face that 1 one side of convex lens is defined.When diaphragm 4 is that multiple-blade is adjustable
When diaphragm, since blade is very thin (within 1mm even 0.5mm), the median plane of the thickness direction of optic lobe sheet body is light-emitting surface position
It sets.
Fig. 7 is setting position view of one embodiment of the invention detection with the light-emitting surface for precisely going out electro-optical device.
In the embodiment, light-emitting surface 5 can and convex lens 1 focal plane Z be overlapped (allow slightly deviation, such as deviation ±
2mm even ± 5mm), as shown in fig. 7, focal plane Z was the focus f of convex lens 1 and perpendicular to the flat of the optical axis of convex lens 1 11
Face or light-emitting surface 5 can also be between the X-planes and Y plane parallel with focal plane Z, wherein X-plane and Y plane point
Not Wei Yu focal plane Z two sides, and X-plane and the distance between Y plane and focal plane Z E are respectively less than and are equal to A/5, Huo Zhe little
In be equal to A/10, perhaps be less than or equal to A/20 or be less than or equal between A/100, X-plane and Y plane and focal plane Z away from
From the visual actual demand setting of E.
Fig. 8 is that one embodiment of the invention detection uses accurate electro-optical device out about a kind of spectroscopical structure of setting form
Schematic diagram.
Fig. 9 is knot of one embodiment of the invention detection with accurate electro-optical device out about spectroscopical another setting form
Structure schematic diagram.
As shown in Figure 8 and Figure 9, in the embodiment, detection is still alternatively provided with spectroscope 6 with accurate electro-optical device out,
Spectroscope 6 is set to one side of the separate light-emitting surface 5 of convex lens 1, and between light object and convex lens 1, and light object can be with
It is workpiece 7 to be illuminated, spectroscope 6 can be flat half-reflection and half-transmission eyeglass, it is also possible to lens type half-reflection and half-transmission eyeglass,
Transmissive when being injected by reflection from another direction when realizing that light is injected from a direction of spectroscope 6；Spectroscope 6
Angle between the optical axis 11 of convex lens 1 can be 45 degree or so, and non-critical limitation, allow the tolerance of positive and negative two degrees, point
It is that light microscopic 6 carrys out the transmitting of light-emitting surface 5 and penetrate the light after convex lens 1 and carry out part reflection, to project light object surface,
Light is reflected on light object surface, and the reflected light on light object surface is transmitted through spectroscope 6；The accurate electro-optical device out of detection
Can have following two that form is set about spectroscope 6: one, it is as shown in Figure 8 to have a spectroscope 6, two, as shown in Figure 9 without light splitting
Mirror 6.
In the embodiment, two can be carried out between two kinds of setting forms of light-emitting surface 5 and two kinds of setting forms of spectroscope 6
The setting of two any combination, such as light-emitting surface 5 are and to be equipped with spectroscope 6 not comprising the light-emitting surface 5 when having a diaphragm 4；Or hair
Light-emitting surface 5 when smooth surface 5 is includes diaphragm 4, and it is not provided with spectroscope 6；Or light-emitting surface 5 be not comprising there is diaphragm 4 when
Light-emitting surface 5, and be not provided with spectroscope 6；Or light-emitting surface 5 is the light-emitting surface 5 when including diaphragm 4, and is equipped with point
Light microscopic 6；Specifically select which kind of setting combination can be depending on actual demand.
In the embodiment, light-emitting surface 5 includes that quantity is more than one luminous zone 51, and the setting quantity of luminous zone 51 can
By the number (such as can be an array, two arrays or multiple arrays) of light-emitting LED array of particles 2 or by diaphragm 4
41 number of inner hole determines that each luminous zone 51 emits the light of solid color, is also possible to colourama, complex light etc..Luminous zone 51
Light color can by the color of light-emitting LED array of particles 2 be arranged determine, the face of light-emitting LED array of particles 2 can also be passed through
The comprehensive determination of the optical filter of color and particular color setting (such as the luminescent color of light-emitting LED array of particles 2 is set as white,
Red lightscreening plate is set in front of the light-emitting LED array of particles 2, then the luminescent color of luminous zone 51 is arranged to red),
The boundary shape of luminous zone 51 can be there are many setting selection, and the boundary shape of luminous zone 51 can be by light-emitting LED array of particles 2
The shape of 4 inner hole 41 of shape or diaphragm is determining, can also be determined by the boundary shape of the optical filter of particular color (such as
The luminescent color of light-emitting LED array of particles 2 is set as white, is arranged in front of the light-emitting LED array of particles 2 fan-shaped red
Optical filter, then luminous zone 51 is arranged to red fan-shaped), tool of the luminous zone 51 with respect to the asymmetric setting of 1 optical axis of convex lens 11
Also there are many selections for body form；It is non-right about the quantity of luminous zone 51, color, boundary shape and opposite 1 optical axis 11 of convex lens
The concrete form for claiming setting, is illustrated especially by following three embodiments.
First embodiment
Figure 10 is light-emitting surface structural representation of one embodiment of the invention detection with the first embodiment for precisely going out electro-optical device
Figure.
As shown in Figure 10, in the embodiment, light-emitting surface 5 only includes a luminous zone 51, and the luminous zone 51 is to convex lens 1
Emit monochromatic light, the color of light can be any one in white, red, green, blue, the monochromatic light of the luminous zone 51
Specific color include but is not limited to the example above；The boundary shape of the luminous zone 51 can be quadrant ring, semicircle
Ring, sector, polygon, any one in irregular shape, sector may include quadrant, semicircle or other angles
Sector, polygon may include the polygon of triangle, rectangle or other number of edges, and the boundary shape of luminous zone 51 includes but not
It is limited to the example above, preferred quadrant or semicircle in the present embodiment；The boundary shape of the luminous zone 51 is with respect to convex lens
The geometric center of the 1 asymmetric setting of optical axis 11, the i.e. optical axis 11 of convex lens 1 only 51 boundary shape of luminous zone, such as work as hair
The boundary shape in light area 51 is a quarter bowlder, and the optical axis 11 which can deviate convex lens 1 is arranged, Huo Zheshe
The optical axis 11 for being set to convex lens 1 passes through the form of quadrant, in another example when the boundary shape of luminous zone 51 is rectangle,
The optical axis 11 that the rectangle can deviate convex lens 1 is arranged, or be set as convex lens 1 optical axis 11 pass through rectangle except its geometry
The form of other positions outside center.
Second embodiment
Figure 11 is light-emitting surface structural representation of one embodiment of the invention detection with the second embodiment for precisely going out electro-optical device
Figure.
If Figure 11 shows, in the embodiment, light-emitting surface 5 includes more than two luminous zones 51, such as may include two, three
A or multiple luminous zones 51, more than two all luminous zones 51 emit the light of same color, constitute homochromy luminous zone
Group, such as more than two all luminous zones 51 all burn reds or more than two all luminous zones 51 all greenings
All whiten coloured light for coloured light or more than two all luminous zones 51, which emits same
The specific color of kind color of light includes but is not limited to the example above；The boundary shape of any one in more than two luminous zones 51
Shape can be any one in quadrant ring, semicircular ring, sector, polygon, irregular shape, and sector may include four
/ mono- circle, semicircle or other angles sector, polygon may include the polygon of triangle, rectangle or other number of edges, appoint
The boundary shape of a luminous zone 51 of anticipating includes but is not limited to the example above, and each luminous zone 51 in more than two luminous zones 51
Boundary shape can be identical, can also be different, such as can be all rectangle, can also with one for it is round, another
Several forms being shown in which for quadrant, Figure 11；More than two all luminous zones 51 are constituted homochromy luminous
District's groups are in center pair even between more than two all luminous zones 51 with respect to the asymmetric setting of optical axis 11 of convex lens 1
Claim, then the optical axis 11 of convex lens 1 only symmetric points h, such as when more than two luminous zones 51 are specially a circular luminous area
51 and when an a quarter annulus luminous zone 51, the optical axis 11 for being set as the convex lens 1 as shown in (a) of Figure 11 passes through circle
The form of shape luminous zone 51, or it is set as form of the optical axis 11 across a quarter annulus luminous zone 51 of convex lens 1, again
Such as when more than two luminous zones 51 are specially a quarter annulus luminous zone 51 of two same sizes, and two four/
When one annulus luminous zone 51 is centrosymmetric, the optical axis 11 for being set as the convex lens 1 as shown in (g) of Figure 11 is passed through except this is right
Claim the form of the other positions outside point.
3rd embodiment
Figure 12 is a form of light-emitting surface of one embodiment of the invention detection with the 3rd embodiment for precisely going out electro-optical device
Structural schematic diagram.
Figure 13 is that one embodiment of the invention detection is shone with the another form of of the 3rd embodiment for precisely going out electro-optical device
Face structural schematic diagram.
Figure 14 is shining for another form of one embodiment of the invention detection 3rd embodiment for precisely going out electro-optical device
Face structural schematic diagram.
Different colors is indicated in figure with different hatchings.
In the embodiment, light-emitting surface 5 includes more than two luminous zones 51, such as may include two, three or more hair
Light area 51, which emits two or more color of light, any one in the two or more color of light
The color of kind can be red, green or blue, and the color of any one in the two or more color of light includes but is not limited to
The example above；The boundary shape of any one in more than two luminous zones 51 can be quadrant ring, semicircular ring, fan
Shape, polygon, any one in irregular shape, sector may include the fan of quadrant, semicircle or other angles
Shape, polygon may include the polygon of triangle, rectangle or other number of edges, and the boundary shape of any one luminous zone 51 includes
But it is not limited to the example above, and the boundary shape of each luminous zone 51 can be identical in more than two luminous zones 51, it can also mutually not
It is identical, such as may be configured as two luminous zones 51, one of them is the circular luminous area 51 of burn red, another is greening
The a quarter annulus luminous zone 51 of light, in another example may be configured as the identical rectangle luminous zone 51 of three sizes, but a square
51 burn red of shape luminous zone, turn blue coloured light for other two rectangle luminous zone 51.
Phase between all luminous zones 51 of at least one set of transmitting same color light in more than two all luminous zones 51
The optical axis of the asymmetric setting of optical axis 11 to convex lens 1, i.e., at least one set of relatively described convex lens of homochromy luminous district's groups is asymmetric
Setting.For example, light-emitting surface 5 may include nine luminous zones 51 as shown in figure 12, nine luminous zones 51 are that nine sizes are identical
Square luminous zone 51, nine square luminous zones 51 are arranged into a new square in nine grids shape, and nine luminous zones 51 are divided
It is three groups, three luminous zones 51 of each column are one group, and three luminous zones 51 of each column are in a rectangle, three of first group
Luminous zone 51 is set as burn red, and second group of three luminous zones 51 are set as glow green, three luminous zones of third group
51 are set as the coloured light that turns blue, and second group of three luminous zones 51 are positioned at first group of three luminous zones 51 and three of third group
Between luminous zone 51, the optical axis 11 of convex lens 1 is formed by the geometric center of rectangle across second group of three luminous zones 51,
Although the optical axis 11 of the opposite convex lens 1 in three luminous zones 51 of second group of glow green is arranged symmetrically in this setting,
Three luminous zones 51 of the coloured light that turns blue of three luminous zones 51 and third group of first group of burn red are with respect to convex lens 1
Optical axis 11 be asymmetric setting.
Alternatively, all luminous zones 51 of each group of transmitting same color light in more than two all luminous zones 51
Between with respect to convex lens 1 the asymmetric setting of optical axis 11, i.e., the optical axis of any group homochromy relatively described convex lens of luminous district's groups is non-
It is symmetrical arranged.For example, light-emitting surface 5 includes three luminous zones 51 as shown in fig. 13 that, each luminous zone in three luminous zones 51
51 monochromatic color is different, and the monochromatic light color of first luminous zone 51 can be red in three luminous zones 51, and second
The monochromatic light color of a luminous zone 51 can be green, and the monochromatic light color of third luminous zone 51 can be blue, three luminous zones
51 can be the identical fan-shaped luminous zone 51 of three sizes, and the center of circle angular vertex of three fan-shaped luminous zones 51 is overlapped, and three fans
Shape luminous zone 51 is circumferentially arranged at equal intervals, and the central angle of three fan-shaped luminous zones 51 can be shown in (a) of Figure 13
It is respectively less than 120 degree shown in 120 degree or (b) for Figure 13, the circle of the optical axis 11 of convex lens 1 across three fan-shaped coincidences
Heart angular vertex, each luminous zone 51 is one group in this setting, each in mutually different three luminous zones 51 of luminescent color
A is asymmetric setting with respect to the optical axis 11 of convex lens 1.It should be noted that the color of the light about three luminous zones 51
Setting with the shape of luminous zone 51 is not exemplified as limiting with above-mentioned.
In another example light-emitting surface 5 includes each luminous zone in the luminous zone 51 of four luminous zones 51 4 as shown in figure 14
51 monochromatic color is different, and the monochromatic light color of first luminous zone 51 can be red in four luminous zones 51, and second
The monochromatic light color of a luminous zone 51 can be green, and the monochromatic light color of third luminous zone 51 can be blue, and the 4th shines
The monochromatic light color in area 51 can be to be orange, and four luminous zones 51 can be the identical rectangle luminous zone 51 of four sizes, four squares
Shape luminous zone 51 is arranged into a new larger-size rectangle in matts shape, and the optical axis 11 of convex lens 1 passes through four and shines
Area 51 is formed by the geometric center of large scale rectangle, and each luminous zone 51 is one group in this setting, the mutual not phase of luminescent color
Each of four same luminous zones 51 are asymmetric setting with respect to the optical axis 11 of convex lens 1.It should be noted that closing
It is not exemplified as limiting with above-mentioned in the setting of the shape of the color and luminous zone 51 of the light of four luminous zones 51.
Figure 15 is detected by one embodiment of the invention with the knot of one of the light defects that precisely electro-optical device illuminates out shallow tool marks
Structure schematic diagram.
During processing, often there are some light defects such as scratch or shallow tool marks 71 in 7 surface of workpiece, such as Figure 15 institute
Show, the tilt angle very little of shallow tool marks 71 for 7 normal surface of workpiece, such as only 1 to 2 degree, it is this asymmetrical
It is difficult to show under the illumination of unilateral defect ordinary light source, and including but not limited to above embodiments through the invention is a variety of
The scheme of the asymmetric setting in luminous zone 51, significantly improve 7 surface of workpiece by light effect, 7 surface of workpiece obtains uniformity
Illumination so that the light defects of 7 surface overwhelming majority type of workpiece are able to more complete clearer show.
The present invention also provides a kind of measuring instrument, which includes as above any detection with electro-optical device is precisely gone out, and is examined
It surveys with precisely electro-optical device is used for article throw light to be measured, measuring instrument out further include: carrying apparatus, for carrying determinand
Product, carrying apparatus include plummer, which may be configured as in the dynamic process for conveying article to be measured；Photographic means,
It is configured to shoot the image of article to be measured, photographic means may include industrial detection camera.
In the present invention, one or more luminous zones 51 of the detection light-emitting surface 5 for precisely going out electro-optical device, by its side
Boundary emits light with respect to the asymmetric setting of 1 optical axis 11 of convex lens, and then to convex lens 1 in shape or in color layout, is formed
Illumination region lighting uniformity it is high, the effect stability that any position of the workpiece 7 in illumination region is presented is high, applicable
In 7 surface of workpiece of the overwhelming majority, good illumination effect to tiny flaw, it can be achieved that the high stability of 7 surface defect of workpiece,
High contrast detection, defect detection rate improve, and testing cost reduces, and conducive to the raising of product quality, have very high economy
Property, extremely it is suitble in the industry cycle promote the use of.
General technical staff of the technical field of the invention should be appreciated that shown in above-mentioned specific embodiment part
What specific structure and technical process out was merely exemplary, and not restrictive.Moreover, the technical field of the invention
Those of ordinary skill can be combined various technical characteristics shown in the above according to various possible modes new to constitute
Technical solution, or carry out other changes, and be within the scope of the present invention.
Claims (22)
1. a kind of detection is with precisely going out electro-optical device, which is characterized in that the detection is with precisely electro-optical device includes light-emitting surface and convex out
Lens, described shine emit light towards the convex lens, and the light-emitting surface includes more than one luminous zone, the luminous zone
Has boundary, the asymmetric setting of optical axis of the relatively described convex lens in the boundary of at least one luminous zone.
2. the accurate electro-optical device out of detection as described in claim 1, which is characterized in that the luminous zone is monochromatic luminous zone.
3. detection as claimed in claim 2 is with precisely going out electro-optical device, which is characterized in that the monochrome luminous zone be two with
On, all homochromy monochromatic luminous zones constitute homochromy luminous district's groups, and at least one set of homochromy luminous district's groups are relatively described
The asymmetric setting of the optical axis of convex lens.
4. detection as claimed in claim 3 is with precisely going out electro-optical device, which is characterized in that the homochromy luminous district's groups be two with
On.
5. the accurate electro-optical device out of detection as described in claim 1, which is characterized in that the light-emitting surface includes one and shines
Area, one luminous zone emit monochromatic light or colourama to the convex lens, the boundary shape of the luminous zone be it is semicircle,
Any one of rectangle, quadrant, sector, triangle, polygon.
6. the accurate electro-optical device out of detection as claimed in claim 2, which is characterized in that the light-emitting surface includes three to four
The monochrome luminous zone and each monochromatic luminous zone color is all different, the boundary of any one monochromatic luminous zone is equal
The asymmetric setting of optical axis of the relatively described convex lens.
7. the accurate electro-optical device out of detection as claimed in claim 6, which is characterized in that the boundary of the monochrome luminous zone is
Sector is rectangle.
8. the accurate electro-optical device out of detection as described in claim 1-7, which is characterized in that the detection, which is used, precisely goes out electro-optical device
Including light-emitting LED array of particles and diffusing panel, light-emitting LED array of particles throw light on the diffusing panel is described unrestrained
The beam projecting face for penetrating plate forms the light-emitting surface.
9. the accurate electro-optical device out of detection as claimed in claim 8, which is characterized in that the detection, which is used, precisely goes out electro-optical device also
Including diaphragm, the light-emitting LED array of particles and the diaphragm are located at the two sides of the diffusing panel, and the diaphragm is close to institute
Stating the luminous hole face that the one side of convex lens is defined is the light-emitting surface.
10. the accurate electro-optical device out of detection as claimed in claim 9, which is characterized in that the diaphragm inner hole is adjustable.
11. the accurate electro-optical device out of detection as claimed in claim 10, which is characterized in that being sticked on the diffusing panel has blast
Film or prism film.
12. the accurate electro-optical device out of detection as claimed in claim 1, which is characterized in that the detection, which is used, precisely to go out
Electro-optical device further includes spectroscope, and the spectroscope is set to one side far from the light-emitting surface of the convex lens, the light splitting
The light that mirror carrys out the luminous surface launching carries out part reflection, to project light object surface, light object surface it is anti-
Penetrate the excessively described spectroscope of light transmission.
13. the accurate electro-optical device out of detection as claimed in claim 1, which is characterized in that the convex lens is luxuriant and rich with fragrance alunite
That lens.
14. the accurate electro-optical device out of detection as claimed in claim 1, which is characterized in that the detection, which is used, precisely to go out
Electro-optical device is for illuminating the metal surface of workpiece.
15. the accurate electro-optical device out of detection as claimed in claim 1, which is characterized in that the focal length of the convex lens
For A, the light-emitting surface be located at the convex lens focal plane or positioned at the X-plane and Y plane parallel with the focal plane it
Between, the X-plane and the Y plane are located at the focal plane two sides, and between the focal plane distance be less than etc.
In A/5.
16. the accurate electro-optical device out of detection as claimed in claim 15, which is characterized in that the X-plane and the Y plane point
Not Wei Yu the focal plane two sides, and between the focal plane distance be less than or equal to A/10.
17. the accurate electro-optical device out of detection as claimed in claim 16, which is characterized in that the X-plane and the Y plane point
Not Wei Yu the focal plane two sides, and between the focal plane distance be less than or equal to A/20.
18. the accurate electro-optical device out of detection as claimed in claim 17, which is characterized in that the X-plane and the Y plane point
Not Wei Yu the focal plane two sides, and between the focal plane distance be less than or equal to A/100.
19. detection as claimed in claim 15 is with precisely going out electro-optical device, which is characterized in that the boundary bore of the convex lens is
D, T=A/D, and T are between 0.25 to 1.5.
20. detection as claimed in claim 19 is with precisely going out electro-optical device, which is characterized in that the D 30 to 120 millimeters it
Between.
21. the accurate electro-optical device out of detection as claimed in claim 15, which is characterized in that
Distance is respectively less than equal to 5 between distance and the Y plane and the focal plane between the X-plane and the focal plane
Millimeter；
Also, the boundary bore of the convex lens is D, T=A/D and T between 0.25 to 1.5；
Also, the D is between 20 to 200 millimeters.
22. a kind of measuring instrument, which is characterized in that including any detection of claim 1-21 accurate electro-optical device out, institute
It states detection and is used for electro-optical device is precisely gone out to article throw light to be measured, the measuring instrument further include:
Carrying apparatus, for carrying the article to be measured；
Photographic means is configured to shoot the image of the article to be measured.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426868.0A CN110068534A (en) | 2019-05-17 | 2019-05-17 | Detection accurate electro-optical device and measuring instrument out |
| PCT/CN2020/079755 WO2020233208A1 (en) | 2019-05-17 | 2020-03-17 | Precise light emitting device for detection and measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426868.0A CN110068534A (en) | 2019-05-17 | 2019-05-17 | Detection accurate electro-optical device and measuring instrument out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110068534A true CN110068534A (en) | 2019-07-30 |
Family
ID=67371110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910426868.0A Pending CN110068534A (en) | 2019-05-17 | 2019-05-17 | Detection accurate electro-optical device and measuring instrument out |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110068534A (en) |
| WO (1) | WO2020233208A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020233208A1 (en) * | 2019-05-17 | 2020-11-26 | 北京领邦智能装备股份公司 | Precise light emitting device for detection and measuring instrument |
| CN113295699A (en) * | 2020-11-17 | 2021-08-24 | 北京领邦智能装备股份公司 | High-precision imaging system and method, image acquisition device and detection equipment |
| TWI797783B (en) * | 2020-10-19 | 2023-04-01 | 台達電子國際（新加坡）私人有限公司 | Photoactivation device and method of controlling the same |
| CN116359230A (en) * | 2023-05-26 | 2023-06-30 | 北京博兴远志科技有限公司 | Permanent magnet surface concave-convex defect detection system and method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055222A (en) * | 2007-05-24 | 2007-10-17 | 上海交通大学 | Optical quality measuring device for glasses |
| JP2009134832A (en) * | 2007-11-30 | 2009-06-18 | Toshiba Corp | Optical head |
| JP2012089367A (en) * | 2010-10-20 | 2012-05-10 | Konica Minolta Opto Inc | Led lighting device, led lighting fixture and lens for led lighting device |
| CN202302903U (en) * | 2011-10-27 | 2012-07-04 | 东莞市奥普特自动化科技有限公司 | Parallel lighting device |
| US20120249972A1 (en) * | 2011-03-31 | 2012-10-04 | Casio Computer Co., Ltd. | Light source device and projector |
| US20140098349A1 (en) * | 2012-10-09 | 2014-04-10 | Hitachi Media Electronics Co., Ltd. | Light source unit and projection display system using same |
| CN104040322A (en) * | 2011-12-06 | 2014-09-10 | Ccs株式会社 | Lighting Device For Inspection And Lighting Method For Inspection |
| JP2016085856A (en) * | 2014-10-24 | 2016-05-19 | 大日本印刷株式会社 | Lighting device |
| CN105700279A (en) * | 2014-12-15 | 2016-06-22 | 日亚化学工业株式会社 | Light source apparatus and projector having light source apparatus |
| CN106501267A (en) * | 2016-10-18 | 2017-03-15 | 凌云光技术集团有限责任公司 | Linear light source device and system for surface defects detection |
| CN107526242A (en) * | 2016-06-21 | 2017-12-29 | 卡西欧计算机株式会社 | Light supply apparatus and projection arrangement |
| CN109643012A (en) * | 2016-09-06 | 2019-04-16 | 奥林巴斯株式会社 | Observe device |
| CN210269574U (en) * | 2019-05-17 | 2020-04-07 | 北京领邦智能装备股份公司 | Accurate light emitting device for detection and measuring instrument |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6786626B2 (en) * | 2002-05-09 | 2004-09-07 | Pixon Technologies Corp. | Linear light source device for image reading |
| DE102004056685B4 (en) * | 2004-11-24 | 2007-06-06 | Leica Microsystems (Schweiz) Ag | Transmitted light base for a microscope and method for controlling the illumination intensity of a transmitted light base |
| US7564544B2 (en) * | 2006-03-22 | 2009-07-21 | 3i Systems Corporation | Method and system for inspecting surfaces with improved light efficiency |
| KR20160059706A (en) * | 2014-11-19 | 2016-05-27 | 엘지이노텍 주식회사 | Light emitting device package and lighting apparatus including the package |
| CN108506749B (en) * | 2018-05-04 | 2019-09-17 | 广州市浩洋电子股份有限公司 | A kind of optical system and the illuminator using this optical system |
| CN110057753A (en) * | 2019-05-17 | 2019-07-26 | 北京领邦智能装备股份公司 | Detection accurate electro-optical device and measuring instrument out |
| CN110068534A (en) * | 2019-05-17 | 2019-07-30 | 北京领邦智能装备股份公司 | Detection accurate electro-optical device and measuring instrument out |
-
2019
- 2019-05-17 CN CN201910426868.0A patent/CN110068534A/en active Pending
-
2020
- 2020-03-17 WO PCT/CN2020/079755 patent/WO2020233208A1/en active Application Filing
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055222A (en) * | 2007-05-24 | 2007-10-17 | 上海交通大学 | Optical quality measuring device for glasses |
| JP2009134832A (en) * | 2007-11-30 | 2009-06-18 | Toshiba Corp | Optical head |
| JP2012089367A (en) * | 2010-10-20 | 2012-05-10 | Konica Minolta Opto Inc | Led lighting device, led lighting fixture and lens for led lighting device |
| US20120249972A1 (en) * | 2011-03-31 | 2012-10-04 | Casio Computer Co., Ltd. | Light source device and projector |
| CN202302903U (en) * | 2011-10-27 | 2012-07-04 | 东莞市奥普特自动化科技有限公司 | Parallel lighting device |
| CN104040322A (en) * | 2011-12-06 | 2014-09-10 | Ccs株式会社 | Lighting Device For Inspection And Lighting Method For Inspection |
| US20140098349A1 (en) * | 2012-10-09 | 2014-04-10 | Hitachi Media Electronics Co., Ltd. | Light source unit and projection display system using same |
| JP2016085856A (en) * | 2014-10-24 | 2016-05-19 | 大日本印刷株式会社 | Lighting device |
| CN105700279A (en) * | 2014-12-15 | 2016-06-22 | 日亚化学工业株式会社 | Light source apparatus and projector having light source apparatus |
| CN107526242A (en) * | 2016-06-21 | 2017-12-29 | 卡西欧计算机株式会社 | Light supply apparatus and projection arrangement |
| CN109643012A (en) * | 2016-09-06 | 2019-04-16 | 奥林巴斯株式会社 | Observe device |
| CN106501267A (en) * | 2016-10-18 | 2017-03-15 | 凌云光技术集团有限责任公司 | Linear light source device and system for surface defects detection |
| CN210269574U (en) * | 2019-05-17 | 2020-04-07 | 北京领邦智能装备股份公司 | Accurate light emitting device for detection and measuring instrument |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020233208A1 (en) * | 2019-05-17 | 2020-11-26 | 北京领邦智能装备股份公司 | Precise light emitting device for detection and measuring instrument |
| TWI797783B (en) * | 2020-10-19 | 2023-04-01 | 台達電子國際（新加坡）私人有限公司 | Photoactivation device and method of controlling the same |
| CN113295699A (en) * | 2020-11-17 | 2021-08-24 | 北京领邦智能装备股份公司 | High-precision imaging system and method, image acquisition device and detection equipment |
| CN116359230A (en) * | 2023-05-26 | 2023-06-30 | 北京博兴远志科技有限公司 | Permanent magnet surface concave-convex defect detection system and method |
| CN116359230B (en) * | 2023-05-26 | 2023-08-29 | 北京博兴远志科技有限公司 | Permanent magnet surface concave-convex defect detection system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020233208A1 (en) | 2020-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110068534A (en) | Detection accurate electro-optical device and measuring instrument out | |
| CN104254733B (en) | For the short illuminating lens for throwing illumination | |
| CN100561038C (en) | Light fixture | |
| EP2989375B1 (en) | Thin luminaire | |
| JP5336474B2 (en) | Recyclable backlight with semi-specular components | |
| CN103277739B (en) | A kind of optical lens | |
| CN101903825A (en) | Illuminator, luminaire and back light unit | |
| US20120268950A1 (en) | Wide-Angle Non-Imaging Illumination Lens Arrayable for Close Planar Targets | |
| CN105209938B (en) | Light flux control member, light-emitting device, lighting device, and forming die | |
| TWM445664U (en) | Light emitting device and light beam controlling device thereof | |
| CN104896425B (en) | A kind of LED free-form surface lens for light microscope illuminator | |
| CN103246007A (en) | Light guide device, front light module and reflective display | |
| CN104296072A (en) | Luminescent device and backlight source | |
| CN110057753A (en) | Detection accurate electro-optical device and measuring instrument out | |
| US10697613B2 (en) | Light source guiding device with refracting unit and reflecting unit | |
| CN104635377A (en) | Light flux controlling member, light-emitting device, surface light source device and display apparatus | |
| CN103133993B (en) | Lens and illuminator | |
| CN210269574U (en) | Accurate light emitting device for detection and measuring instrument | |
| JP4078050B2 (en) | LED lighting device | |
| US9140904B2 (en) | Light emitting device and backlight module | |
| EP3401719A1 (en) | Diffusing lens and light emitting device using the same | |
| US20170261176A1 (en) | Light emitting device and surface light source device | |
| TWI705239B (en) | Detection light source module and detection device | |
| CN206348512U (en) | A kind of illuminated light microscope of LED reflection | |
| KR20150094550A (en) | Side emitting light emitting diode lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |