CN207487942U - For testing the harvester of LED light parameter - Google Patents
For testing the harvester of LED light parameter Download PDFInfo
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- CN207487942U CN207487942U CN201721173096.7U CN201721173096U CN207487942U CN 207487942 U CN207487942 U CN 207487942U CN 201721173096 U CN201721173096 U CN 201721173096U CN 207487942 U CN207487942 U CN 207487942U
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- optical fiber
- circular hole
- fiber circular
- hole group
- harvester
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Abstract
The utility model discloses a kind of for testing the harvester of LED light parameter, the the first optical fiber circular hole group and the second optical fiber circular hole group of shell and setting on the shell including black POM, the first optical fiber circular hole group includes multiple first optical fiber circular holes, light sensation chip is equipped in the first optical fiber circular hole, the light sensation chip is electrically connected with MCU controllers, and the side of the shell is additionally provided with to stop payment the optical fiber card slot for being inserted into optical fiber.The utility model measuring accuracy is higher, and integrated level is higher, and cost is relatively low, suitable for promoting.
Description
Technical field
The utility model is related to the harvester of optical parameter, specifically a kind of acquisition for being used to test LED light parameter
Device.
Background technology
LED is the device that luminous energy is converted electrical energy into using semiconductor PN, so its optical property is particularly important.
The optical property of LED relates generally to light quantity, radiometric quantities and chroma amount etc..Light quantity is the basis of LED light performance,
Wherein important parameter has luminous intensity (cd), luminous flux (lm), luminous efficiency and half-intensity beam angle etc..Radiometric quantities parameter is main
There are radiation intensity and radiation flux.Chroma amount parameter mainly includes colour temperature, excitation purity, colour rendering index and wavelength etc..
Test LED luminous parameters at present, generally in a manner that integrating sphere adds spectrometer, this mode is most accurate naturally
Measurement method, however the device volume is huge, expensive, is only suitable in laboratory sampling Detection, is not suitable for existing in industry
It is used during the batch testing of field；
The LED being welded on PCB in industry spot test at present is to detect optical property by light sensation module.It is big on the market
Partial light sensation module is by photo resistance and voltage comparator, the adjustable veneer module of a luminance threshold is formed, when photosensitive
Resistance detection exports a Transistor-Transistor Logic level signal by voltage to during light sensation intensity than machine.Suchlike light sensation module detection
Also there is veneer little module for acquiring the color of light, but be all that composition component is all relatively simple.The sensing of such light sensation module
Device data can only export simple RGB image initial data, it is impossible to read CIE1931-xy (CIE1931-xy standard colorimetrics systems
System), (chromatic diagram is that the function expression v=f (u) of black body locus is represented in colorimetry with chromaticity coordinate to CIE1976-uv
Plan view is known as chromatic diagram), the optical parameters such as CCT (colour temperature).
Meanwhile the acquisition module currently used for testing LED light parameter, it is live total for coordinating that communication interface is not configured
Line communicates, and chip integration is not high, therefore such light sensation module is difficult to be embedded into ICT/FCT/ATE test systems to use.
What is more important, when on-the-spot test is welded on the LED light performance above PCB, there are also occasions to use light
LED light is introduced camera bellows by fibre, and brightness and the color parameter of LED are read using industrial CCD, is one of the shortcomings that this method:By
It is low (8bit) in normal CCD sensor resolution, it can not accurately measure the color to strong light LED and brightness；Shortcoming second is that：It surveys
The examination high cost of price is big, and mating software development difficulty is big.
Utility model content
In order to solve the problem of that traditional industry on-the-spot test measuring accuracy is inadequate of high cost, the utility model proposes one
It kind solves the above problems for testing the harvester of LED light parameter.
To achieve the above object, the utility model provides following technical solution：It is a kind of to be used to test adopting for LED light parameter
Acquisition means, the first optical fiber circular hole group and the second optical fiber circular hole group of shell and setting on the shell including black POM are described
First optical fiber circular hole group includes multiple first optical fiber circular holes, and light sensation chip is equipped in the first optical fiber circular hole, described
Light sensation chip is electrically connected with MCU controllers, and the side of the shell is additionally provided with to stop payment the optical fiber card slot for being inserted into optical fiber.
Embodiment 1：Include multiple second optical fiber circular holes, second optical fiber circle in the second optical fiber circular hole group
Light sensation chip is equipped in hole, the light sensation chip is electrically connected with MCU controllers.
Embodiment 2：Full-color LED display unit is welded in the second optical fiber circular hole group.
The first optical fiber circular hole group includes eight the first optical fiber circular holes, and the second optical fiber circular hole group includes eight the second light
Fine circular hole, the first optical fiber circular hole group and the second optical fiber circular hole group are correspondingly arranged in two rows eight row.
The first optical fiber circular hole and the second optical fiber circular hole are 2.3mm optical fiber circular holes.Optical fiber circular hole is compatible with 2.2mm outer diameters
Optical fiber, 1.0mm optical fiber cooperation 2.2mm optical fiber tails insert and can also be used.
The nameplate for display parameter information is additionally provided on the shell.
Further include communication interface group, power interface and the DIO interfaces for light-coupled isolation input and output.
Compared with prior art, the beneficial effects of the utility model are that (1) uses totally-enclosed module housing；Black POM systems
Dark room conditions of the shell of work to provide closing per channel light sensation chip, avoid extraneous light from interfering, measurement data is more accurate；It should
Material also ensures robustness；
(2) the optical fiber circular hole on shell is suitable for common 2.2mm and 1.0mm optical fiber on the market；Shell side has specially
Stopped payment with optical fiber card slot, optical fiber can be convenient for changing, will not loose or dislocation, be suitble to dislike slightly environment use；
(3) the utility model compatibility 8/16 channel, two kinds of specification capture cards, both there are M3 mounting holes for shell, can also add
DIN guide rail card slots, are conveniently installed on DIN standard rails；
(4) the utility model measuring accuracy is higher, and integrated level is higher, and cost is relatively low, suitable for promoting.
Description of the drawings
Fig. 1 is the structure diagram that the utility model is used to test the harvester of LED light parameter；
Fig. 2 is the stereogram that the utility model is used to test the harvester of LED light parameter.
In figure：1- shells, 2- the first optical fiber circular holes, 3- optical fiber card slots, 4- the second optical fiber circular holes, 5- communication interface groups, 6-
Power interface, 7-DIO interfaces.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1, embodiment 1, for testing the harvester of LED light parameter, 1 He of shell including black POM
The the first optical fiber circular hole group and the second optical fiber circular hole group being arranged on shell 1, shell 1 are made of black POM materials, are light sensation
Chip provides the dark room conditions of closing, avoids the interference of extraneous light, and measurement data is more accurate；First optical fiber circular hole group includes
Multiple first optical fiber circular holes 2 are equipped with light sensation chip in first optical fiber circular hole 2, and light sensation chip is electrically connected with MCU controllers,
The side of shell 1 is additionally provided with to stop payment the optical fiber card slot 3 for being inserted into optical fiber.Optical fiber card slot 3 is the optical fiber card slot of M5, for stopping payment
The optical fiber of insertion can facilitate plug optical fiber without additional means.
Include multiple second optical fiber circular holes 4 in second optical fiber circular hole group, light sensation chip be equipped in the second optical fiber circular hole 4,
Light sensation chip is electrically connected with MCU controllers.
First optical fiber circular hole group includes eight the first optical fiber circular holes 2, and the second optical fiber circular hole group includes eight the second optical fiber and justifies
Hole 4, the first optical fiber circular hole group and the second optical fiber circular hole group are correspondingly arranged in two rows eight row, support 16 channel measurements.
First optical fiber circular hole 2 and the second optical fiber circular hole 4 are 2.3mm optical fiber circular holes.
The nameplate for display parameter information is additionally provided on shell 1.
Further include communication interface group 5, power interface 6 and the DIO interfaces 7 for light-coupled isolation input and output.
Embodiment 2, as different from Example 1：Second optical fiber circular hole group welding has full-color LED display unit.Embodiment 2
Support 8 channel measurements.
Using integrated intelligent optical sensor, high-precision (16bit) turns light sensation chip in embodiment 1 and embodiment 2
Throw-over degree it is fast (<3ms), LED light parameter can be read：Including RGB, Lux, XYZ, xy (CIE1931), uv (CIE1976),
The data such as CCT, Lab, HSI, DomiWave；
MCU controllers in embodiment 1 and embodiment 2：Using 32 Cortex-M3 kernel CPU, technical grade peripheral expansion
Module, high-performance, low-power consumption, arithmetic speed are fast, and stability is high；
Full-color LED display unit in embodiment 2：When acquisition module works in 8 channel sensor pattern, in addition 8 is logical
Road welds full-color LED lamp, can will correspond in the collected RGB color presentation of information to full-color LED lamp of 8 channel sensors, side
Just user's Observation Blocks working condition；
Power interface 6 in embodiment 1 and embodiment 2：DC direct currents 9V to 26V inputs are provided, meet industrial occasions application,
Also it can individually be powered by USB interface；
Communication interface group 5 in embodiment 1 and embodiment 2：Communication interface group 5 includes USB, RS485, RS232, CAN,
The industrial communication interfaces such as LAN；According to customer demand difference, corresponding communication interface can be added；
DIO interfaces in embodiment 1 and embodiment 2：For the DIO interfaces of light-coupled isolation input and output, convenient and exterior I O
Equipment (PLC etc.) direct interaction, is also used as passing through IO output signals during test；
Compared with prior art, the utility model accurate testing, simple to operate, the utility model devises a kind of use
In the various chips such as the harvester of test LED light parameter, harvester Integrated Light sense chip, the MCU controllers, configuration
The communication interfaces such as USB, RS485, RS232, CAN, LAN；And provide secondary development SDK (Software Development
Kit), the requirement of industrial test system acquisition LED light parameter is met.
Operation principle：The utility model is by collecting fiber LED light signal, after the identification of light sensation chip, by the signal
By each channel transfer to MCU controllers, MCU controllers are after calculation process, among data are stored in memory, when host leads to
When crossing transmission instruction access modules, data by various data-interfaces are led and return to host by MCU controllers, complete data and adopt
Collection；Each channel standard value can be configured in advance, be stored in inside harvester, harvester after the power is turned on can automatic decision test knot
Fruit exports test information by DIO interfaces 7, and being detached from computer can also run.
When acquisition module device is operated in 8 channel, the second optical fiber circular hole group wherein on shell 1 is shown as all-colour LED
Show the show hole of unit, when being operated in 16 channel, 2 rows 8 row on shell 1 are entirely loaded with light sensation chip and acquire 16 port numbers
According to；
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (7)
1. a kind of harvester for being used to test LED light parameter, it is characterised in that：Shell (1) and setting including black POM
The first optical fiber circular hole group and the second optical fiber circular hole group on shell (1), the first optical fiber circular hole group include multiple first
Optical fiber circular hole (2), is equipped with light sensation chip in the first optical fiber circular hole (2), the light sensation chip with MCU controllers
Electrical connection, the side of the shell (1) are additionally provided with to stop payment the optical fiber card slot (3) for being inserted into optical fiber.
2. the harvester as described in claim 1 for being used to test LED light parameter, it is characterised in that：Second light
Include multiple second optical fiber circular holes (4) in fine circular hole group, light sensation chip is equipped in the second optical fiber circular hole (4), it is described
Light sensation chip be electrically connected with MCU controllers.
3. the harvester as described in claim 1 for being used to test LED light parameter, it is characterised in that：Second light
Fine circular hole group welding has full-color LED display unit.
4. it is used to test the harvester of LED light parameter as claimed in claim 2 or claim 3, it is characterised in that：Described first
Optical fiber circular hole group includes eight the first optical fiber circular holes (2), and the second optical fiber circular hole group includes eight the second optical fiber circular holes (4), described
The first optical fiber circular hole group and the second optical fiber circular hole group in two rows eight row be correspondingly arranged.
5. the harvester as claimed in claim 2 for being used to test LED light parameter, it is characterised in that：First light
Fine circular hole (2) and the second optical fiber circular hole (4) are 2.3mm optical fiber circular holes.
6. the harvester as described in claim 1 for being used to test LED light parameter, it is characterised in that：The shell (1)
On be additionally provided with nameplate for display parameter information.
7. the harvester as described in claim 1 for being used to test LED light parameter, it is characterised in that：Communication is further included
Interface group (5), power interface (6) and the DIO interfaces (7) for light-coupled isolation input and output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173096.7U CN207487942U (en) | 2017-09-14 | 2017-09-14 | For testing the harvester of LED light parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173096.7U CN207487942U (en) | 2017-09-14 | 2017-09-14 | For testing the harvester of LED light parameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207487942U true CN207487942U (en) | 2018-06-12 |
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ID=62481673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721173096.7U Active CN207487942U (en) | 2017-09-14 | 2017-09-14 | For testing the harvester of LED light parameter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596217A (en) * | 2018-12-12 | 2019-04-09 | 襄阳蓬达高新科技有限公司 | A kind of PCBA color acquisition card based on fiber optic conduction |
-
2017
- 2017-09-14 CN CN201721173096.7U patent/CN207487942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596217A (en) * | 2018-12-12 | 2019-04-09 | 襄阳蓬达高新科技有限公司 | A kind of PCBA color acquisition card based on fiber optic conduction |
| CN109596217B (en) * | 2018-12-12 | 2021-04-06 | 襄阳蓬达高新科技有限公司 | PCBA color acquisition card based on optical fiber conduction |
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