CN206223237U - A kind of LED on-line measuring devices - Google Patents
A kind of LED on-line measuring devices Download PDFInfo
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- CN206223237U CN206223237U CN201621333295.5U CN201621333295U CN206223237U CN 206223237 U CN206223237 U CN 206223237U CN 201621333295 U CN201621333295 U CN 201621333295U CN 206223237 U CN206223237 U CN 206223237U
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Abstract
The utility model provides a kind of LED on-line measuring devices, including charging aperture, discharging opening, defect detecting device, photoelectric measuring device, conveyer and one or more electric supply installation;Wherein described photoelectric measuring device includes optical photoconductor measurement apparatus and electrical connection photoelectric measuring device;In test, measurand is driven at defect detecting device and photoelectric measuring device and realizes defects detection and photochromic electrical parameters detection respectively by conveyer;The utility model innovatively gathers together defect detecting device and photoelectric measuring device, emission defects and the open defect detection of LED module compositing chips can not only be realized, and 100% on-line checking and qualification determination can be carried out to the photochromic uniformity of LED modules, substantially increase the photochromic uniformity of tested LED modules, the characteristics of with full-featured, intelligent, efficiency high, can be widely applied to the test that various LED products are not module products yet.
Description
【Technical field】
The utility model is related to LED detection fields, and in particular to a kind of LED on-line measuring devices, more particularly to a kind of LED
The device of the defects detection of module and photochromic electrical property on-line checking.
【Background technology】
In recent years, LED modules market was developed rapidly with the upsurge of LED illumination application, and at general illumination, family
The every field extensive use such as outer advertisement, plant illumination and automotive lighting.LED modules be by by multiple LED chips according to
It is certain regularly arranged and be packaged, along with some electricity or calorifics treatment assemble.However as LED modules
Promote, the problem for gradually emerging is exactly the problem that the photochromic uniformity between LED modules is difficult to ensure that.Research finds, leads
Cause LED modules between photochromic uniformity difference main cause be constitute LED modules LED chip between it is photochromic inconsistent
It is caused, and the optical characteristics of LED chip is often because chip material design and technique make etc. in production application
Many factors are limited so as to be difficult to preferably be ensured.And for automotive lighting and outdoor advertising application scenario, if
There is serious photochromic difference or open defect etc. between the LED chip for constituting LED modules by not only influence product entirety
Illuminating effect, and have a negative impact for the image appearance of product.Therefore, before putting goods on the market, to the photochromic of LED modules
Uniformity carries out 100% on-line checking and to carry out defects detection extremely important to the LED chip that constitutes LED modules.
At present, the equipment of the defects detection of integrated LED module and photochromic electric on-line checking function does not occur also, for example, announce
Number merely disclose to COB LED modules for the patent of CN103252320A, CN2042088190U and CN105449450U
On-line checking scheme, all emission defects and open defect etc. for module are detected, meanwhile, it is disclosed above specially
Profit is only applicable to the form of COB LED modules, it is impossible to the need for meeting varied LED modular forms in the market, such as LED
Townhouse lamp, LED light source plate etc..
【The content of the invention】
In view of the shortcomings of the prior art, the technical problems to be solved by the invention are to provide a kind of for various forms LED
The on-line measuring device of module, can simultaneously meet the photochromic electric on-line checking and defects detection function of LED modules, and then carry comprehensively
The yields of LED modules product high.
The utility model is achieved through the following technical solutions:A kind of LED on-line measuring devices, including charging aperture, discharging opening,
Defect detecting device, photoelectric measuring device, the electric supply installation of or more and for driving measurand to the defect
The conveyer of defects detection and photoelectric properties detection is realized at detection means and photoelectric measuring device, wherein described photoelectric measuring
Amount device includes optical measuring device and electrical connection measurement apparatus.
The utility model innovatively gathers together LED modules defect detecting device and photoelectric measuring device, not only
Emission defects and the open defect detection of all chips in LED modules can be realized, and can be to photochromic the one of LED modules
Cause property carries out 100% on-line checking;In testing, measurand is installed at feeding mouth first, and then by conveyer point
Defects detection and the detection of photochromic electrical property are not driven to defect detection equipment and photoelectric measuring device and then realized, with test
Speed is fast, the characteristics of test function is comprehensive, for the quality control of industrial circle LED modules provides effective means.
The utility model can also be limited further and perfect by the following technical programs:
Used as a kind of technical scheme, described defect detecting device is image collecting device;As preferential, described image
Harvester is industrial camera.The LED chip outward appearance and surface light emitting situation that constitute LED modules are carried out by industrial camera
IMAQ, and treatment is analyzed so as to the open defect to LED modules to collection image by Data Analysis Services unit
Judgement is given with emission defects.In defects detection, measurand is realized lighting by electric supply installation.
Used as a kind of technical scheme, described electric supply installation is powered by contact electrode probe to measurand.We
Electric supply installation described in case includes power supply and the electrode catheter being connected with power supply, and contacting measurand by electrode catheter powers
Electrode and then light measurand.Can be needed to set one or more power supply according to actual test in the application.
Preferably, setting two electric supply installations in this programme altogether, one of electric supply installation matches setting with defect detecting device, separately
One electric supply installation matches setting with photoelectric measuring device;Additionally, in practical operation, the power supply mode of electric supply installation also can root
Implement different power supply plans according to different test objects, such as the LED module power panels of tandem, then visited by a pair of electrodes
The current electrode of pin contact power panel is powered;And the non-tandem type LED module battle array independently-powered for every LEDs chip
Row, then can design multigroup probe and be contacted with the current electrode of each LED chip, and by programmable power supply chronologically control mode
For each pair electrode catheter is powered and then realizes lighting for LED chip.
As a kind of technical scheme, also including the mechanical arm for realizing the movement of electrode catheter position.What mechanical arm was set
Purpose is to realize the movement of electrode catheter any given position in test plane.In actual test, measurand
Shape and size are different, electrode catheter can be moved into the corresponding current electrode position of measurand by mechanical arm.
Mechanical arm can be the slide rail being orthogonally set in this programme, or be the combination in slide rail and rotary unit.Work as mechanical arm
For orthogonal setting slide rail when, be arbitrarily designated position by what electrode catheter moved to plane to be measured by controlling two motions of slide rail
Put;When the combination that mechanical arm is slide rail and rotary unit, the angle where slide rail is moved into position to be measured by rotary unit
Degree position, further moves to specified coordinate position by electrode catheter on slide rail.
Used as a kind of technical scheme, described photoelectric measuring device includes integrating sphere and spectrometer;The integrating sphere ball wall
Measurement window and the sampling window corresponding to measurand measured zone are provided with, wherein spectrometer is arranged on going out for measurement window
Penetrate in light path.In actual test, measurand is driven to the sampling window of integrating sphere by conveyer, and by corresponding
Electric supply installation is realized lighting, and measurement is realized to the optical color parameter of measurand emergent light by the spectrometer being arranged on integrating sphere.
In this programme, sampling window size and the size of measurand of integrating sphere match.
As the preferred of above-mentioned technical proposal, the machine for measurand location recognition is additionally provided with the integrating sphere ball wall
Device vision positioning device.Because the actual placement of measurand can be because the reason such as artificial operation be produced with expected position
Certain deviation, so as to cause electrode catheter that the current electrode of measurand can not be accurately aimed at according to predetermined location.Machine
The use of vision positioning device can allow the measurand placement location to have certain error, by machine vision positioner pair
The actual placement of measurand is accurately positioned, analyzes and repositions, so control machinery arm movement and electrode catheter
Movement finally make electrode catheter accurately move to realize power supply at the current electrode of measurand.
Preferably, described machine vision positioner is camera.The location drawing picture of measurand is gathered by camera,
By the mark points position of Data Analysis Services element analysis measurand, new position coordinates system is set up, and then be tested
The real coordinate position of object current electrode, and then electrode catheter is moved to by measurand actual power by control machinery arm
Electrode position.Machine vision positioner in this programme can be arranged as required to inside integrating sphere, it is also possible to be arranged on
Outside integrating sphere.
It is described also including the Data Analysis Services unit for image procossing and data analysis as a kind of technical scheme
Defect detecting device, photoelectric measuring device, machine vision positioner are connected to Data Analysis Services unit.At data analysis
Reason unit is analyzed treatment to the collection image of defect detecting device, the measurement data of photoelectric measuring device, and then to tested
Whether the quality of object is qualified to be decision making;Data Analysis Services unit can also be gathered to machine vision positioner and schemed simultaneously
As being processed, the position of measurand is obtained by graphical analysis.
As a kind of technical scheme, the mark being marked to product acceptance or rejection is additionally provided with the discharge outlet of device
Know unit.Mark unit is arranged on the exit of the present apparatus, can be the marker pen of different colours, in Data Analysis Services unit
Defect and photochromic electrical characteristics to measurand are made after qualification determination, and indexing unit pair is controlled by mechanical control unit
The mark of qualified products or substandard product row different colours.
Used as a kind of technical scheme, the present apparatus also includes the mechanical control unit of or more.According to actual needs, may be used
To set a total mechanical control unit, Comprehensive Control is realized in the motion to conveyer, mechanical arm and mark unit;This
Outward, it is also possible to two or more mechanical control units are set respectively to conveyer, mechanical arm, electrode catheter and mark unit
Motion independently control.
【Brief description of the drawings】
Accompanying drawing 1 is the top view of the utility model device in embodiment 1 and 2;
Accompanying drawing 2 is the elevational sectional view of the utility model device in embodiment 1 and 2;
Accompanying drawing 3 is the connection diagram of Data Analysis Services unit in embodiment 1 and 2;
Accompanying drawing 4 is electric supply installation and mechanical arm schematic diagram in embodiment 1;
Accompanying drawing 5 is electric supply installation and mechanical arm schematic diagram in embodiment 2.
1-defect detecting device;2-photoelectric measuring device;2-1-optical measuring device;2-1-1-integrating sphere;2-1-
2-spectrometer;2-2-electrical connection measurement apparatus;3-electric supply installation;3-1-electrode catheter;3-2-adjustable support;3-3-electricity
Source;4-conveyer;5-mechanical arm;5-1-slide rail;5-2-rotary unit;6-machine vision positioner;7-mark
Unit;8-mechanical control unit
【Specific embodiment】
Embodiment 1
As shown in Fig. 1,2,3 and 4, present embodiment discloses a kind of LED on-line measuring devices, including defect detecting device 1,
Photoelectric measuring device 2, two electric supply installations 3, conveyer 4, mechanical arm 5, machine vision positioner 6 and mark unit 7;
Wherein described defect detecting device 1 is industrial camera;The photoelectric measuring device 2 includes optical measuring device 2-1 and electrical connection
Photoelectric measuring device 2-2, and described optical measuring device 2-1 is the combination of semi-integral ball 2-1-1 and spectrometer 2-1-2, light
Spectrometer 2-1-2 is arranged on the emitting light path of the measurement window of integrating sphere 2-1-1;At the same time, in the ball wall of integrating sphere 2-1-1
On be additionally provided with machine vision positioner 6, herein machine vision positioner 6 be camera;Two power supply dresses in the present embodiment
Put 3 and match setting with defect detecting device 1 and photoelectric measuring device 2 respectively, and two electric supply installations 3 pass through contact electrode
Probe 3-1 powers for measurand;In actual test, electrode catheter 3-1 can be moved to the confession of measurand by mechanical arm 5
Electric electrode position is, it is necessary to explanation, the mechanical arm 5 in the present embodiment is the slip slide rail of orthogonal setting, and electrode catheter 3-1 can
Any target location of test plane is moved to by the two slide rails, electrode catheter 3-1 can be entered by adjustable support 3-2 in addition
The regulation of row electrode catheter distance and electrode catheter rotation;This programme also include mechanical control unit 8, wherein defect detecting device 1,
The measurement data and collection image of photoelectric measuring device 2 and machine vision positioner 6 pass through Data Analysis Services unit reality
Now analyze and process, while Data Analysis Services unit further can send instruction according to analysis result to mechanical control unit 8
Instruct the motion of electrode catheter 3-1, mechanical arm 5 and mark unit 7.
During test, measurand is placed on the input of conveyer 4, and is driven first to defect by conveyer 4
The lower section of detection means 1, now, measurand is realized lighting and gathers image by defect detecting device 1 by electric supply installation 3
Carry out open defect detection and emission defects detection;After defects detection is finished, measurand is driven to photoelectricity by conveyer 3
At the sampling window of the integrating sphere 2-1-1 of measurement apparatus 2, image is carried out to measurand by machine vision positioner 6 first
Positioning, and then control the electrode catheter 3-1 of electric supply installation 3 to be moved on mechanical arm 5 and then the accurate confession for being moved to measurand
Electric electrode position lights measurand, then respectively by spectrometer 2-1-2 and electrical connection photoelectric measuring device 2-2 respectively to tested
The optical parametric and electrical parameter of object are detected;In the present embodiment, all of collection image and measurement result are by number
Processed according to analysis and processing unit, and product qualification determination is given according to data results, and sent instructions to machinery
Control end unit 8 and then the action by identifying unit 7 carries out not isolabeling to qualified products and substandard product.
Embodiment 2
It is unique from embodiment 1 different present embodiment discloses a kind of LED on-line measuring devices as shown in Fig. 1,2,3 and 5
, the mechanical arm 5 in the present embodiment is the combination of slide rail 5-1 and rotary unit 5-2, and described mechanical arm is connected to whirler
On structure;In actual applications, can be by the motion cooperation electrode catheter of rotary unit 5-2 control slide rails 5-1 on slide rail 5-1
Motion so that electrode catheter be moved to arbitrary target power position, additionally by between adjustable support coordination electrode probe
Distance and the anglec of rotation realize the power supply of different shape and size object to be measured.
Specific embodiment of the invention is described above in association with accompanying drawing, but these explanations can not be understood to limitation
The scope of the present invention, protection scope of the present invention further defined by appended claims, it is any will in right of the present invention
Change on the basis of asking all is protection scope of the present invention.
Claims (10)
1. a kind of LED on-line measuring devices, including charging aperture, discharging opening, it is characterised in that also including defect detecting device (1),
Photoelectric measuring device (2), the electric supply installation of or more (3) and for driving measurand to the defect detecting device
(1) and photoelectric measuring device (2) place realize defects detection and photoelectric properties detection conveyer (4), wherein described photoelectricity
Measurement apparatus (2) include optical measuring device (2-1) and electrical connection measurement apparatus (2-2).
2. LED on-line measuring devices as claimed in claim 1, it is characterised in that described defect detecting device (1) is image
Harvester.
3. LED on-line measuring devices as claimed in claim 1, it is characterised in that described electric supply installation (3) is by contact
Electrode catheter (3-1) is powered to measurand.
4. LED on-line measuring devices as claimed in claim 3, it is characterised in that also including for the movement of electrode catheter position
Mechanical arm (5).
5. LED on-line measuring devices as claimed in claim 4, it is characterised in that described mechanical arm (5) sets for mutually orthogonal
Two slide rails (5-1) put;Or described mechanical arm (5) is the combination of slide rail (5-1) and rotary unit (5-2).
6. LED on-line measuring devices as claimed in claim 1, it is characterised in that described optical measuring device (2-1) includes
Integrating sphere (2-1-1) and spectrometer (2-1-2);Integrating sphere (2-1-1) the ball wall is provided with measurement window and corresponding to tested
The sampling window of object measured zone, wherein spectrometer (2-1-2) are arranged on the emitting light path of measurement window.
7. LED on-line measuring devices as claimed in claim 6, it is characterised in that on described integrating sphere (2-1-1) ball wall also
It is provided with the machine vision positioner (6) for measurand location recognition.
8. LED on-line measuring devices as claimed in claim 7, it is characterised in that described machine vision positioner (6) is
Camera.
9. LED on-line measuring devices as claimed in claim 1, it is characterised in that discharge outlet be provided with it is qualified to product or
The unqualified mark unit (7) being marked.
10. LED on-line measuring devices as described in claim 1 or 3 or 9, it is characterised in that also including one or more machinery
Control unit (8).
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CN201621333295.5U CN206223237U (en) | 2016-12-07 | 2016-12-07 | A kind of LED on-line measuring devices |
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CN201621333295.5U CN206223237U (en) | 2016-12-07 | 2016-12-07 | A kind of LED on-line measuring devices |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107390144A (en) * | 2017-08-15 | 2017-11-24 | 台龙电子(昆山)有限公司 | Detect the device of LED light bar photoelectric properties |
CN108872883A (en) * | 2018-04-28 | 2018-11-23 | 杭州远方光电信息股份有限公司 | A kind of light source Auto-Test System |
CN109724779A (en) * | 2017-10-31 | 2019-05-07 | 深圳市炫硕智造技术有限公司 | COB-LED lamp inspection examining system and detection method |
CN110278633A (en) * | 2019-06-22 | 2019-09-24 | 安徽华新光电饰业有限公司 | LED projector lamp has photochromic consistency control system |
CN112718552A (en) * | 2020-12-11 | 2021-04-30 | 江苏烨明光电有限公司 | Automatic quality defect inspection device for LED circuit board and working method thereof |
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2016
- 2016-12-07 CN CN201621333295.5U patent/CN206223237U/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107390144A (en) * | 2017-08-15 | 2017-11-24 | 台龙电子(昆山)有限公司 | Detect the device of LED light bar photoelectric properties |
CN109724779A (en) * | 2017-10-31 | 2019-05-07 | 深圳市炫硕智造技术有限公司 | COB-LED lamp inspection examining system and detection method |
CN108872883A (en) * | 2018-04-28 | 2018-11-23 | 杭州远方光电信息股份有限公司 | A kind of light source Auto-Test System |
CN108872883B (en) * | 2018-04-28 | 2024-01-26 | 杭州远方光电信息股份有限公司 | Automatic testing system for light source |
CN110278633A (en) * | 2019-06-22 | 2019-09-24 | 安徽华新光电饰业有限公司 | LED projector lamp has photochromic consistency control system |
CN110278633B (en) * | 2019-06-22 | 2021-06-18 | 安徽华新光电饰业有限公司 | Light-color consistency control system of LED light projecting lamp |
CN112718552A (en) * | 2020-12-11 | 2021-04-30 | 江苏烨明光电有限公司 | Automatic quality defect inspection device for LED circuit board and working method thereof |
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