CN205982027U - Damp and hot ageing accelerated test system of light that optics macromolecular material was used - Google Patents
Damp and hot ageing accelerated test system of light that optics macromolecular material was used Download PDFInfo
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- CN205982027U CN205982027U CN201620869183.5U CN201620869183U CN205982027U CN 205982027 U CN205982027 U CN 205982027U CN 201620869183 U CN201620869183 U CN 201620869183U CN 205982027 U CN205982027 U CN 205982027U
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- blue light
- light source
- source panel
- light
- luminosity probe
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 230000032683 aging Effects 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title abstract description 9
- 239000000523 sample Substances 0.000 claims abstract description 48
- 239000011358 absorbing material Substances 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 22
- 229920000642 polymer Polymers 0.000 claims description 18
- 241001062009 Indigofera Species 0.000 claims description 3
- 238000010998 test method Methods 0.000 abstract description 5
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- 238000005286 illumination Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 7
- 230000003679 aging effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 241001025261 Neoraja caerulea Species 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 229960001866 silicon dioxide Drugs 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010023126 Jaundice Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000006353 environmental stress Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a damp and hot ageing accelerated test system of light that optics macromolecular material was used has constant -temperature and constant -humidity test box, and constant -temperature and constant -humidity test box's internal surface scribbles one deck light absorbing materials, and inside is equipped with blue light light source panel, and the below of blue light light source panel is equipped with the supporter, and the upper and lower surface of supporter all is equipped with one deck light absorbing materials, and the top of blue light light source panel is provided with the fan, one side of blue light light source panel is equipped with the controller and the drive arrangement of its work of control, and the center of blue light light source panel has the thing of putting district, is covered with evenly distributed's perforation in the periphery of putting the thing district, the welding has the luminosity probe bracket on the supporter, and the solid fixed ring who places the luminosity probe is installed to the upper end of luminosity probe bracket. The utility model discloses an advantage: enough make sample temperature, humidity not receive the influence of environment and undulant, can let not atress of the sample surface, and the position is invariable in test procedure. Avoided simultaneously on the blue light shines the sample from rear reflection, improved the accuracy of test result.
Description
Technical field
This utility model is related to optical polymer test equipment correlative technology field, specifically a kind of shearing machine
The light hydrothermal aging accelerated test system of optical polymer.
Background technology
Most white light LEDs adopt the technology path that blue chip excitated fluorescent powder produces white light in the market, this
A little optical polymers within LED component（As fluorescent glue and silica-gel lens）Can occur slowly aging, show when serious
For jaundice, browning or nigrescence phenomenon.The light decay aggravating LED packaging is floated by these phenomenons with color, leads to service life fast
Speed declines.
The optical polymer of white light LED packaging device is often close to LED chip, in using of LED packaging
Cheng Zhong, the rising of LED chip junction temperature will improve the temperature of optical polymer.In addition under the blue ray radiation of LED chip, glimmering
The spontaneous heating of light powder also can raise the temperature of optical polymer.How optical polymer is by epoxy resin or silica gel system
Become, and epoxy resin and silica gel have stronger moisture pick-up propertiess, and to section wavelength light（I.e. blue light）Irradiation very sensitive.Therefore
Under the comprehensive function of temperature, humidity and blue light illumination, the opticses of LED packaging are gradually aging, lead to whole LED envelope
The light efficiency reduction of dress, spectrum deviation and the shortening in life-span.
How reliability testing is carried out to macromolecular material using high temperature or hot and humid method of testing at present, and then assess
Its ageing properties.The method of this measurement LED light macromolecule material aging performance is that measured material is prepared into packaging
After finished product, burn-in test is carried out to prepared device, after certain time（Such as 1000 hours）Observe whether opticses are deposited afterwards
In catabiosis such as jaundice, nigrescences.The processing work that measurement result is subject to LED core piece performance and packaging is obtained using the method
The impact of the aspects such as skill is extremely notable, therefore can only indirectly measure the ageing properties of LED light department of the Chinese Academy of Sciences part.Additionally, adopting the party
The measurement data that method obtains does not possess versatility, after LED chip or packaging technology change, LED light member perimeter
Environment also changes therewith, needs to remeasure the ageing properties of LED light macromolecular material.On the other hand because LED light is high
How molecular material is prepared from by silica gel, and chemical stability preferably, is directly tested past using high temperature or hot and humid method to it
Toward the testing time needing thousands of hours, testing cost is huge, is not therefore that enterprise adopts.
Content of the invention
The purpose of this utility model is to make up the deficiencies in the prior art, there is provided a kind of light of optical polymer
Test system and method for testing that hydrothermal aging accelerates, for the ambient stress of LED light department of the Chinese Academy of Sciences part, develop and provide indigo plant simultaneously
Light irradiation, the light hydrothermal aging accelerated test system of three kinds of environmental stresses of temperature and humidity, for directly, rapidly testing LED
The ageing properties of optical polymer.
In order to reach the purpose of this utility model, technical scheme is as follows：
A kind of light hydrothermal aging accelerated test system of optical polymer is it is characterised in that have constant temperature and humidity
Proof box, the inner surface of described constant temperature humidity chamber scribbles one layer of light absorbing material, is provided with indigo plant inside constant temperature humidity chamber
Radiant panel, the lower section of described blue light source panel is provided with rack, and the upper and lower surface of rack is designed with one layer of light absorbs
Material, the top of blue light source panel is provided with fan；
The side of blue light source panel is provided with the controller controlling its work and driving means, the center of blue light source panel
There is holding area, the periphery in holding area is covered with equally distributed perforation；Luminosity probe support is welded with rack, luminosity is visited
The upper end of head bracket is provided with the retainer ring placing luminosity probe, the diameter with diameter greater than luminosity probe of retainer ring, retainer ring
On be equipped with the nut of fixing luminosity probe.
Preferably, the sidepiece of blue light source panel is fixed on the medial wall of constant temperature humidity chamber by fixture, fixture
On be vertically provided with multiple screwed holes.
A kind of light hydrothermal aging accelerated test method of optical polymer is it is characterised in that include step：（1）, set
Put the temperature of test environment, the luminous flux of humidity and blue light；
（2）, start blue light source and radiator fan, stand 1 hour（Wait light source thermal balance stable）；
（3）, luminosity probe put into the luminosity probe support above rack, measure blue light illumination initial value；
（4）, sample is attached to after rack put in constant temperature humidity chamber；
（5）, start constant temperature humidity chamber, start calculate the testing time；
（6）, after certain time, close constant temperature humidity chamber, luminosity probe put into the luminosity probe above rack
Support, measures blue light illumination, and adjustment blue light source driving current makes blue light illumination photometry value consistent with initial value.
（7）, sample is taken out from rack, its optical performance parameter of off-line measurement（As transmitance, refractive index etc.）；
（8）, repeat（4）-（7）Until test terminates.
This utility model has the advantage that：
By setting up the damp and hot accelerated test of light under stable test environment, in order to test the ageing properties of LED light department of the Chinese Academy of Sciences part.
It is devoted to setting up a series of light damp and hot accelerated test equipment with the simple and effective standardization promoting the damp and hot accelerated test of light simultaneously,
Avoid the difference predicting the outcome that the measurement result in the environment of various different tests leads to.
Structure is simple, system stability.During test experiments, temperature, humidity and blue light illumination iso-stress are controlled, greatly shorten
The ageing time of optical polymer.
Blue light source module is evenly distributed on support, designs special light source fixture and ensures sample light Vertical Uniform.
Design special blue ray radiation monitoring device it is ensured that the controlled blue light radiation amount on sample.
Design special rack.Rack carries sample clamp, and sample surfaces can be allowed not stress, and in test process
Middle position is constant.Avoid blue light to be irradiated to sample from rear reflection simultaneously, can more effectively control blue ray radiation total amount.
The application of thermostatic constant wet equipment can make sample temperature, humidity not protected from environmental and fluctuate it is ensured that sample
Humiture constant.
Method of testing proposed by the present invention is applied widely, is not limited to fluorescent glue and silica gel material, also includes universal
It is applied to substrate white oil in LED packaging and light fixture, epoxy resin, PC, PMMA and other related polymeric opticals
Material.
Brief description
Fig. 1 is the structural representation of the light hydrothermal aging accelerated test system of this utility model optical polymer；
Fig. 2 is the structural representation of rack in Fig. 1；
Fig. 3 is the structural representation of luminosity probe bracket on rack；
Fig. 4 is the structural representation of fixture；
Fig. 5 is the side structure schematic view of rack；
Fig. 6 is testing process schematic diagram.
Specific embodiment
With reference to embodiment, this utility model is further described, but protection domain of the present utility model not only office
It is limited to embodiment.
In conjunction with shown in Fig. 1, a kind of light hydrothermal aging accelerated test system of optical polymer, there is constant temperature and humidity
Proof box 1, the sidepiece of constant temperature humidity chamber 1 is provided with instrument connection 6, and the outside of constant temperature humidity chamber 1 is provided with ferrum cover 4, improves
The stability of test condition.The inner surface of constant temperature humidity chamber 1 scribbles one layer of light absorbing material, inside constant temperature humidity chamber
It is provided with blue light source panel 7, top near constant temperature humidity chamber 1 for the blue light source panel 7.On blue light source panel 7
It is evenly distributed with multiple illuminating sources, the lower section of constant temperature humidity chamber 1 is provided with chiller 2, constant temperature humidity chamber 1
Sidepiece is provided with control device 10, and control device 10 controls the work of whole constant temperature humidity chamber 1, and the sidepiece of control device 10 sets
There is operator control panel 11, control and setup parameter in order to artificial.
In conjunction with shown in Fig. 2 and Fig. 5, the lower section of blue light source panel 7 is provided with rack 5, and the upper and lower surface of rack 5 all sets
There is one layer of light absorbing material, to reduce the blue light interference being reflected back.The top of blue light source panel is provided with fan 3, and fan 3 is used
Radiate, to ensure the operating temperature of blue light source.The side of blue light source panel is provided with controller 8 He controlling its work
Driving means 9, driving means 9 electrically connect with controller 8 and drive control device is operated, controller 8 and blue light source panel 7
Electrically connect and control the on an off of blue light source.The center of blue light source panel has holding area 51, and in holding area, 51 are provided with 16
Individual via 55, standard sample to be measured is placed on via 55, therefore can measure 16 standard sample simultaneously.Via 55
Outside was provided with escutcheon 56, crossed the diameter with diameter greater than via 55 of escutcheon 56, crosses escutcheon 56 and is used for fixed placement in via
Measuring samples, and cross the top and bottom of escutcheon 56 and communicate, be that one bottomless and the cylindrical structural of uncovered.In this reality
Apply in example, cross a diameter of 70mm of escutcheon 56, the height crossing escutcheon is 10mm, and a diameter of 50mm of via 55, between via
Spacing is 40mm.Periphery in holding area 51 is covered with equally distributed perforation 52, and the effect of perforation is passed through in minimizing blue light
Guarantee that the moisture distribution in constant temperature humidity chamber is uniform simultaneously.
In conjunction with shown in Fig. 3, rack 5 being welded with luminosity probe support 53, the lower end of luminosity probe support 53 is welded on
On the pad 57 of holding area 51.The upper end of luminosity probe support 53 is provided with the retainer ring 54 placing luminosity probe, retainer ring
The diameter with diameter greater than luminosity probe, retainer ring 54 is equipped with the nut 58 of fixing luminosity probe, luminosity probe is placed in
In retainer ring more fixing by nut 58.
In conjunction with shown in Fig. 4, the sidepiece of blue light source panel 7 is fixed on the medial wall of constant temperature humidity chamber by fixture 12
On, fixture 12 is vertically arranged, and each side of blue light source panel 7 arranges one, 4 altogether.It is vertically provided with many on fixture
Individual screwed hole 121, is inserted on the medial wall that fixture 12 is fixed on constant temperature humidity chamber by bolt in screwed hole 121, passes through
The different screwed hole of correspondence, makes blue light source panel 7 holding level.
In conjunction with shown in Fig. 6, a kind of light hydrothermal aging accelerated test method of optical polymer, including step：（1）、
The temperature of setting test environment, the luminous flux of humidity and blue light；
（2）, start blue light source and radiator fan, stand 1 hour（Wait light source thermal balance stable）；
（3）, luminosity probe put into the luminosity probe support above rack, measure blue light illumination initial value；
（4）, sample is attached to after rack put in constant temperature humidity chamber；
（5）, start constant temperature humidity chamber, start calculate the testing time；
（6）, after certain time, close constant temperature humidity chamber, luminosity probe put into the luminosity probe above rack
Support, measures blue light illumination, and adjustment blue light source driving current makes blue light illumination photometry value consistent with initial value.
（7）, sample is taken out from rack, its optical performance parameter of off-line measurement（As transmitance, refractive index etc.）；
（8）, repeat（4）-（7）Until test terminates.
In test process, periodically luminosity probe is positioned in luminosity probe support 53 by instrument connection 6, measures rack
The blue ray radiation illumination of 5 tops, and feeds back to blue light luminous flux, control device, and 1 to adjust it is ensured that blue ray radiation as needed
The stablizing of energy.It is also possible to take out sample from test equipment by instrument connection 6, measure its optical performance parameter（As
Transmitance, refractive index etc.）, for evaluating the ageing properties of this sample.
Finally it should be noted that：Above example only not limits this utility model and is retouched in order to this utility model to be described
The technical scheme stated, therefore, although this specification with reference to each above-mentioned embodiment, this utility model is had been carried out detailed
Illustrate, but, it will be understood by those within the art that, still this utility model can be modified or be equal to replace
Change, and all are without departing from the technical scheme of spirit and scope of the present utility model and its improvement, it all should cover new in this practicality
In the right of type.
Claims (2)
1. a kind of light hydrothermal aging accelerated test system of optical polymer is it is characterised in that have constant temperature and humidity examination
Tryoff (1), the inner surface of described constant temperature humidity chamber scribbles one layer of light absorbing material, is provided with indigo plant inside constant temperature humidity chamber
Radiant panel (7), the lower section of described blue light source panel is provided with rack (5), and the upper and lower surface of rack is designed with one layer
Light absorbing material, the top of blue light source panel is provided with fan (3)；
The side of blue light source panel is provided with the controller (8) controlling its work and driving means (9), in blue light source panel
The heart has holding area (51), and the periphery in holding area is covered with equally distributed perforation (52)；Luminosity probe is welded with rack
Support (53), the upper end of luminosity probe support is provided with the retainer ring (54) placing luminosity probe, retainer ring with diameter greater than light
The diameter of degree probe, retainer ring is equipped with the nut (58) of fixing luminosity probe.
2. optical polymer according to claim 1 light hydrothermal aging accelerated test system it is characterised in that
The sidepiece of blue light source panel is fixed on the medial wall of constant temperature humidity chamber by fixture (12), and fixture is vertically provided with
Multiple screwed holes (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620869183.5U CN205982027U (en) | 2016-08-11 | 2016-08-11 | Damp and hot ageing accelerated test system of light that optics macromolecular material was used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620869183.5U CN205982027U (en) | 2016-08-11 | 2016-08-11 | Damp and hot ageing accelerated test system of light that optics macromolecular material was used |
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| Publication Number | Publication Date |
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| CN205982027U true CN205982027U (en) | 2017-02-22 |
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| CN201620869183.5U Expired - Fee Related CN205982027U (en) | 2016-08-11 | 2016-08-11 | Damp and hot ageing accelerated test system of light that optics macromolecular material was used |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290131A (en) * | 2016-08-11 | 2017-01-04 | 常州市武进区半导体照明应用技术研究院 | The light hydrothermal aging accelerated test system of optical polymer and method of testing |
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2016
- 2016-08-11 CN CN201620869183.5U patent/CN205982027U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290131A (en) * | 2016-08-11 | 2017-01-04 | 常州市武进区半导体照明应用技术研究院 | The light hydrothermal aging accelerated test system of optical polymer and method of testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221229 Address after: 213100 He Xi Village, Zou District, Zhonglou District, Changzhou City, Jiangsu Province Patentee after: Changzhou Suizhi Intelligent Equipment Co.,Ltd. Address before: 213100, 7th floor, block B, building 1, chuangyangang, science and Education City, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU INSTITUTE OF TECHNOLOGY RESEARCH FOR SOLID STATE LIGHTING |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |