CN105865376A - Image collection device for detecting concentricity of LED chip and lens - Google Patents
Image collection device for detecting concentricity of LED chip and lens Download PDFInfo
- Publication number
- CN105865376A CN105865376A CN201610272793.1A CN201610272793A CN105865376A CN 105865376 A CN105865376 A CN 105865376A CN 201610272793 A CN201610272793 A CN 201610272793A CN 105865376 A CN105865376 A CN 105865376A
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- Prior art keywords
- led chip
- lens
- concentricity
- detecting
- cavity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
Abstract
The invention discloses an image collection device for detecting the concentricity of an LED chip and a lens. According to the technical scheme, the image collection device comprises a base capable of moving up and down and left and right, and the base is located over an LED chip module and provided with an installation block and an image acquiring mechanism; the installation block is detachably provided with an auxiliary support which comprises a cavity, a light hole located under the image acquiring mechanism is formed in the auxiliary support, a UV illuminating device is arranged in the cavity, and the auxiliary support is located over the LED chip module. According to the device, the technical blank of the lens type luminous module detection field is filled up, the production cost of the production activity for producing lens type luminous modules can be greatly reduced, the product yield rate is increased, and meanwhile the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of for detecting the image acquisition device of concentricity between LED chip and lens.
Background technology
The general structure of the illuminating module used in the display is typically included on PCB the LED chip using SMT mode to install, and then installs lens composition LED chip module in each LED chip additional.If concentricity is bigger between LED chip and lens, the illuminating module that so subsequent production goes out operationally will produce luminous (colourity, briliancy) inhomogenous situation between LED chip, the situation even producing interference between lens and other parts to be assembled occurs, and thus can reduce product yield.The most not for the detection scheme of concentricity between LED chip and lens in prior art, can the most quickly detect the concentricity between LED chip and lens the most aborning, it is thus possible to quickly discharge substandard product to improve product percent of pass and to reduce cost, this present inventor's problem to be solved just.
Summary of the invention
The deficiency existed for prior art, present invention is primarily targeted at a kind of image capturing mechanism that can quickly detect concentricity information between LED chip and lens of offer.
For achieving the above object, the technical scheme is that a kind of for detecting the image acquisition device of concentricity between LED chip and lens, including the pedestal that can move up and down, described pedestal is positioned at above LED chip module, mounting blocks and image capturing mechanism it is provided with on described pedestal, auxiliary stand detachably it is provided with on described mounting blocks, described auxiliary stand includes cavity, the loophole being positioned at immediately below image capturing mechanism is offered on described auxiliary stand, UV lighting device it is provided with in described cavity, described auxiliary stand is positioned at the surface of LED chip module.
Preferably, described UV lighting device includes the lamp plate being arranged in cavity, outer ring and the inner ring of some white light LEDs formation circumferentially arranged that some blue-ray LEDs circumferentially arranged are formed it is provided with on described lamp plate, described outer ring and inner ring are arranged concentrically, being provided with through hole on described lamp plate, described through hole is arranged concentrically with loophole.
Preferably, the quantity of described outer ring and inner ring is 2.
Preferably, being provided with ring-type diffuser plate below described UV lighting device, described diffuser plate is arranged on cavity bottom, and described diffuser plate is arranged concentrically with loophole.
Preferably, described mounting blocks being provided with placement seat, described placement seat is provided with some first screwed holes, described auxiliary stand includes installation portion, and described installation portion is provided with the second screwed hole coordinated with described some first screwed holes.
The present invention has the advantage that relative to prior art, UV lighting device can electrified light emitting and by loophole irradiate be positioned at the LED chip module immediately below it, the image of each LED chip module is acquired by image capturing mechanism in time simultaneously, the position of the central point of every a pair LED chip and the central point of lens can collect, and is judged by the computing of background processing system whether the concentricity of this group LED chip and lens meets the requirements.Such detection mode is very efficiently with accurately, and this device has filled up the technological gap in this field, can be substantially reduced production cost for producing the production activity of lens type illuminating module, and product yield is improved, and also improves production efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 be the present invention for detecting the structural representation of the image acquisition device of concentricity between LED chip and lens.
Fig. 2 is the structural representation of the auxiliary stand of the present invention；
Fig. 3 is the exploded view of Fig. 2；
Fig. 4 is the schematic diagram during central point obtaining LED chip and lens.
In figure: 1, pedestal；2, LED chip module；3, image capturing mechanism；4, mounting blocks；5, auxiliary stand；6, loophole；7, cavity；8, UV lighting device；9, lamp plate；10, outer ring；11, inner ring；12, through hole；13, diffuser plate；14, placement seat；15, installation portion；16, LED chip；17, lens.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of for detecting the image acquisition device of concentricity between LED chip and lens, including the pedestal 1 that can move up and down, pedestal 1 is positioned at above LED chip module 2, mounting blocks 4 and image capturing mechanism 3 it is provided with on pedestal 1, auxiliary stand 5 detachably it is provided with on mounting blocks 4, auxiliary stand 5 includes cavity 7, the loophole 6 being positioned at immediately below image capturing mechanism 3 is offered on auxiliary stand 5, being provided with UV lighting device 8 in cavity 7, auxiliary stand 5 is positioned at the surface of LED chip module 2.
The operation principle of assembly of the invention is, pedestal 1 can move along the LED chip module 2 on lamp bar to be detected that (structure of pedestal 1 is known to the skilled person general knowledge, the present embodiment does not repeats), wherein UV lighting device 8 can electrified light emitting and by loophole 6 irradiate be positioned at the LED chip module 2 immediately below it, the image of each LED chip module 2 is acquired by image capturing mechanism 3 in time simultaneously, position with reference to the central point of every a pair LED chip 16 of Fig. 4 and the central point of lens 17 can collect, judged by the computing of background processing system whether the concentricity of this group LED chip 16 and lens 17 meets the requirements.Such detection mode is very efficiently with accurately, and this device has filled up the technological gap in this field, can be substantially reduced production cost for producing the production activity of lens type illuminating module, and product yield is improved, and also improves production efficiency simultaneously.
Preferably, UV lighting device 8 includes the lamp plate 9 being arranged in cavity 7, outer ring 10 and the inner ring 11 of some white light LEDs formation circumferentially arranged that some blue-ray LEDs circumferentially arranged are formed it is provided with on lamp plate 9, outer ring 10 and inner ring 11 are arranged concentrically, being provided with through hole 12 on lamp plate 9, through hole 12 is arranged concentrically with loophole 6.Blue-ray LED and white light LEDs composition UV lighting device 8, coordinate image capturing mechanism 3 can capture the center position of LED chip 16 and lens 17.Image capturing mechanism 3 in the present embodiment is UV camera.
Further, the quantity of outer ring 10 and inner ring 11 is 2.The benefit so arranged is the intensity of illumination that ensure that UV lighting device 8, it is ensured that UV camera can the most quickly capture LED chip 16 and the center position of lens 17.
Improving, be provided with ring-type diffuser plate 13 below UV lighting device 8, diffuser plate 13 is arranged on cavity 7 bottom, and diffuser plate 13 is arranged concentrically with loophole 6.The effect of ring-type diffuser plate 13 is so that the light that UV lighting device 8 sends can be irradiated on LED chip 16 and the lens 17 of lower section uniformly, also for ensureing that UV camera can the most quickly capture LED chip 16 and the center position of lens 17.
Preferably, mounting blocks 4 being provided with placement seat 14, placement seat 14 is provided with some first screwed holes, auxiliary stand 5 includes installation portion 15, and installation portion 15 is provided with the second screwed hole coordinated with described some first screwed holes.In the present embodiment, the connected mode of auxiliary stand 5 and mounting blocks 4 is with bolts, and the benefit so arranged is stable connection and easy accessibility.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention
。
Claims (5)
1. one kind is used for detecting the image acquisition device of concentricity between LED chip and lens, it is characterized in that: include the pedestal that can move up and down, described pedestal is positioned at above LED chip module, mounting blocks and image capturing mechanism it is provided with on described pedestal, auxiliary stand detachably it is provided with on described mounting blocks, described auxiliary stand includes cavity, the loophole being positioned at immediately below image capturing mechanism is offered on described auxiliary stand, being provided with UV lighting device in described cavity, described auxiliary stand is positioned at the surface of LED chip module.
The most according to claim 1 for detecting the image acquisition device of concentricity between LED chip and lens, it is characterized in that: described UV lighting device includes the lamp plate being arranged in cavity, outer ring and the inner ring of some white light LEDs formation circumferentially arranged that some blue-ray LEDs circumferentially arranged are formed it is provided with on described lamp plate, described outer ring and inner ring are arranged concentrically, being provided with through hole on described lamp plate, described through hole is arranged concentrically with loophole.
It is the most according to claim 2 for detecting the image acquisition device of concentricity between LED chip and lens, it is characterised in that: the quantity of described outer ring and inner ring is 2.
The most according to claim 3 for detecting the image acquisition device of concentricity between LED chip and lens, it is characterized in that: below described UV lighting device, be provided with ring-type diffuser plate, described diffuser plate is arranged on cavity bottom, and described diffuser plate is arranged concentrically with loophole.
The most according to claim 1 for detecting the image acquisition device of concentricity between LED chip and lens, it is characterized in that: on described mounting blocks, be provided with placement seat, some first screwed holes it are provided with on described placement seat, described auxiliary stand includes installation portion, and described installation portion is provided with the second screwed hole coordinated with described some first screwed holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272793.1A CN105865376B (en) | 2016-04-28 | 2016-04-28 | For detecting the image acquisition device of concentricity between LED chip and lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272793.1A CN105865376B (en) | 2016-04-28 | 2016-04-28 | For detecting the image acquisition device of concentricity between LED chip and lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105865376A true CN105865376A (en) | 2016-08-17 |
| CN105865376B CN105865376B (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610272793.1A Active CN105865376B (en) | 2016-04-28 | 2016-04-28 | For detecting the image acquisition device of concentricity between LED chip and lens |
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Citations (7)
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| US20110293168A1 (en) * | 2010-05-25 | 2011-12-01 | Yoshihiko Matsushima | Method for mounting transparent component |
| CN102331232A (en) * | 2011-05-19 | 2012-01-25 | 苏州千兆自动化科技有限公司 | Device and method for detecting mobile phone card hook based on machine vision |
| CN103363897A (en) * | 2012-04-03 | 2013-10-23 | 徐承焕 | Apparatus and method for measuring optical axis of LED module |
| CN103808257A (en) * | 2012-11-08 | 2014-05-21 | 徐承焕 | Method for measuring optical axis of luminous body of light emitting module |
| TW201426899A (en) * | 2012-12-24 | 2014-07-01 | Hon Hai Prec Ind Co Ltd | A aligning module and a method for aligning a light-emitting diode with a lens |
| CN204498472U (en) * | 2015-03-26 | 2015-07-22 | 宁波科瑞特光电技术有限公司 | A kind of image collecting device of flexible circuit board |
| CN205679207U (en) * | 2016-04-28 | 2016-11-09 | 苏州品柏电子贸易有限公司 | For detecting the image acquisition device of concentricity between LED chip and lens |
-
2016
- 2016-04-28 CN CN201610272793.1A patent/CN105865376B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110293168A1 (en) * | 2010-05-25 | 2011-12-01 | Yoshihiko Matsushima | Method for mounting transparent component |
| CN102331232A (en) * | 2011-05-19 | 2012-01-25 | 苏州千兆自动化科技有限公司 | Device and method for detecting mobile phone card hook based on machine vision |
| CN103363897A (en) * | 2012-04-03 | 2013-10-23 | 徐承焕 | Apparatus and method for measuring optical axis of LED module |
| CN103808257A (en) * | 2012-11-08 | 2014-05-21 | 徐承焕 | Method for measuring optical axis of luminous body of light emitting module |
| TW201426899A (en) * | 2012-12-24 | 2014-07-01 | Hon Hai Prec Ind Co Ltd | A aligning module and a method for aligning a light-emitting diode with a lens |
| CN204498472U (en) * | 2015-03-26 | 2015-07-22 | 宁波科瑞特光电技术有限公司 | A kind of image collecting device of flexible circuit board |
| CN205679207U (en) * | 2016-04-28 | 2016-11-09 | 苏州品柏电子贸易有限公司 | For detecting the image acquisition device of concentricity between LED chip and lens |
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| CN105865376B (en) | 2019-05-17 |
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