CN202494769U - LED fixing device for LED life test - Google Patents
LED fixing device for LED life test Download PDFInfo
- Publication number
- CN202494769U CN202494769U CN2012200785605U CN201220078560U CN202494769U CN 202494769 U CN202494769 U CN 202494769U CN 2012200785605 U CN2012200785605 U CN 2012200785605U CN 201220078560 U CN201220078560 U CN 201220078560U CN 202494769 U CN202494769 U CN 202494769U
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- Prior art keywords
- led
- mounting disc
- cold plate
- aluminium base
- life test
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Abstract
The utility model discloses an LED fixing device for an LED life test. The LED fixing device comprises a radiator, an electric refrigeration plate, a mounting disk, and an aluminum substrate. Both the electric refrigeration plate and the mounting disk are fixedly mounted on the radiator. A central portion of the mounting disk is provided with an opening. The electric refrigeration plate is embedded in the opening, and the radiator is positioned at one side facing the bottom surface of the mounting disk. The aluminum substrate clings to and is fixed on the surface of the electric refrigeration plate, and one aluminum substrate surface used for welding LED pins is exposed upwards. The aluminum substrate is provided with a plurality of mounting positions used for connecting LEDs, and an anode and a cathode of the LED of each mounting position are electrically connected to wiring solder joints corresponding to mounting positions arranged on the aluminum substrate one by one. The LED fixing device of the utility model can be mounted and dismounted as a whole, and the mounting and dismounting processes do not need operation on the LED, so the LED safety can be improved, the LED is unlikely to damage, the time and operation personnel workload can be saved, and the test efficiency can be greatly increased.
Description
Technical field
The utility model relates to a kind of fixedly LED stationary installation of plurality of LEDs that is used for when carrying out the LED life test, the particularly a kind of LED stationary installation that can accomplish the aging of plurality of LEDs simultaneously and when carrying out burn-in test and photochromic electric parameter measurement at interval, need not to carry out single LEDs dismounting.
Background technology
After single LEDs is produced, need do an assessment to its life-span.Relatively more current at present way is: in a collection of LED of same model; Extract certain LED sample; And aging thousands of hours (being not less than 6000 hours usually), the photochromic electrical quantity of each LEDs of elder generation's test before aging, and every interval certain hour is measured its photochromic electrical quantity in ageing process; Digestion time is long more, and the decay of LED light output is big more, preserve each result who measures, and the light output attenuatoin amount of LED after going out to wear out according to certain algorithm computation, thereby the LED life-span of extrapolating this model.
When carrying out the LED burn-in test, all be to adopt the aging support of strip at present; When needs carry out photochromic electrical testing to single LEDs, just disassemble each LEDs, be installed on integrating sphere sidewall opening place and test; If burn-in test LED then needs a large amount of manual works to accomplish the dismantlement work of LED in batches; Test is accomplished, and aging support is installed back to each LEDs again, continues aging.So just bring several problems: the one, remove and install repeatedly, need a large amount of manual works and time, sharply increase aging cost, and lose time; The 2nd, remove and install repeatedly; Be very easy to damage LED; Increased the uncertainty of whole test, that is to say that the tester possibly can't judge that the damage of a certain LEDs is the human factor product quality problem that cause or LED itself in the unloading process, can't reach test objective; Moreover, in the process that removes and installs, be very easy to make the optical lens of LED to produce spot and cut, influence its light output characteristics, thereby influence measurement result, make and calculate that deviation appears in the result.
The utility model content
The purpose of the utility model is to provide a kind of and is convenient to aging simultaneously plurality of LEDs, and is convenient to the LED stationary installation of integral disassembly, assembly.
The technical scheme that the utility model adopts is: the LED stationary installation is used in a kind of LED life test; Comprise heating radiator, electric cold plate, mounting disc and be used to weld the aluminium base of plurality of LEDs; Said electric cold plate and mounting disc all are fixedly installed on the heating radiator; The middle part of said mounting disc has opening, and electric cold plate is embedded in the said opening, and heating radiator is positioned at towards a side of the bottom surface of mounting disc; Said aluminium base is close on the surface of being fixed in electric cold plate, and make aluminium base be used to weld one of LED pin and face up and expose;
Said aluminium base has a plurality of installation positions that are used to connect LED, the LED positive and negative electrode of each installation position all be arranged at aluminium base on each installation position one to one the wiring solder joint be electrically connected.
Wherein, be coated with the heat-conducting silicone grease layer between said electric cold plate and the aluminium base, to guarantee having high-termal conductivity between electric cold plate and the aluminium base.
Wherein, the surfaces coated that said aluminium base is close to electric cold plate is covered with the insullac layer, does not conduct with electric cold plate with the copper sheet that guarantees any one via hole on the aluminium base.
Wherein, be provided with first sealing gasket of arranging around electric cold plate between said mounting disc and the heating radiator.
Wherein, has hand-held handle on the bottom surface of said mounting disc.
Wherein, the profile of said electric cold plate and opening have the appearance profile that is complementary, and electric cold plate is embedded in the said opening just.
Wherein, Said mounting disc is provided with the cable-through hole that runs through its end face and bottom surface; To guarantee that when making whole device except that heating radiator all place in the seal chamber wiring solder joint extension line on the aluminium base can lead to the open space at heating radiator place easily through cable-through hole.
Wherein, said mounting disc is provided with the mounting disc mounting hole that is used to install said LED stationary installation that runs through its end face and bottom surface.
The beneficial effect of the utility model is: when the LED stationary installation of using the utility model is carried out life test; Can directly be welded on plurality of LEDs on the aluminium base; Stube cable is connected to aluminium base wiring solder joint place according to the order of sequence through the peripheral cable-through hole of mounting disc; Be installed on the whole LED stationary installation on the outer wall of ageing oven again, carry out the aging of plurality of LEDs.Accomplish when aging, in the time of need carrying out photochromic electrical measurement, only need in ageing oven, take apart the whole LED stationary installation, be transplanted to the outer STH of integrating sphere together with LED and test; Promptly be merely the dismounting of mounting disc in fact, very convenient.Because disassembly process need not operated LED, so can improve the security of LED, not fragile LED saves time and operating personnel's workload, improves testing efficiency greatly; In addition; Every LEDs on the aluminium base if a certain like this LEDs lost efficacy, can not influence the continuation test of other LED by independent current source supply; Not only greatly improve the reliability and the continuity of test; Also can search the trouble spot easily, be convenient to analyze failure cause, improve the accuracy of life-span projection.
Description of drawings
Fig. 1 is according to the LED life test of the utility model decomposing schematic representation with a kind of embodiment of LED stationary installation;
Fig. 2 is the structural representation of mounting disc among Fig. 1;
Fig. 3 is the upward view of mounting disc among Fig. 2;
Fig. 4 is the cross-sectional schematic that the assembled relation of the stationary installation of LED shown in Fig. 1 is shown, wherein, and profile drawing line not among the figure.
Embodiment
As shown in figs. 1 and 4; The LED life test of the utility model comprises mounting disc 101, electric cold plate 102, is used to weld the aluminium base 103 and the heating radiator 104 of plurality of LEDs with LED stationary installation 1; This electricity cold plate 102 is fixedly installed on the heating radiator 104, as is fixedly installed on the centre of end face of heating radiator 104; Shown in Fig. 2 and 3, the middle part of this mounting disc 101 has opening 101a, and this mounting disc 101 is fixedly installed on the heating radiator 104 equally; Electric cold plate 102 is embedded among the opening 101a (in the present embodiment; Electricity cold plate 102 can have the appearance profile that is complementary with opening 101a, and the former is embedded among the latter just), and make heating radiator 104 be positioned at bottom surface one side towards mounting disc 101; Promptly for the orientation shown in Fig. 1 and 4, heating radiator 104 is positioned at the below of the bottom surface of mounting disc 101; Aluminium base 103 is close on the surface of being fixed in electric cold plate 102, and make aluminium base 103 be used to weld one of LED pin and face up and expose, promptly the one side that is used to weld the LED pin of aluminium base 103 basically with the end face of mounting disc towards consistent.
For aluminium base can be dispelled the heat effectively, can be between this electricity cold plate 102 and aluminium base 103 coated with thermally conductive silicone grease layer.
For mounting disc 101 and heating radiator 104 can closely be fitted, first sealing gasket of arranging around electric cold plate 102 105 can be set between mounting disc 101 and heating radiator 104, promptly electric cold plate 102 places first sealing gasket 105 of annular.To this; As shown in Figure 3; Can the ring groove 101c that is used for ccontaining first sealing gasket 105 that one circle caves inward be set around opening 101a on the bottom surface of this mounting disc 101; The heating radiator mounting hole that mounting disc 101 is fixedly installed on the heating radiator 104 can be arranged on this ring groove 101c, and also is provided with on first sealing gasket 105 and the corresponding through hole of heating radiator mounting hole, during installation; Make screw pass the corresponding through hole of the heating radiator mounting hole and first sealing gasket 105 in order, and make screw screw in the threaded hole on the heating radiator 104 and mounting disc 101 is fixedly installed on the heating radiator 104.
The LED life test of moving the utility model for the ease of integral body can be provided with two hand-held handle 101b with LED stationary installation 1 on the bottom surface of mounting disc 101.
Above-mentioned aluminium base 103 has a plurality of installation positions that are used to weld LED; The LED positive and negative electrode of each installation position all for example be through on copper sheet and the aluminium base with each installation position one to one the wiring solder joint be electrically connected; In order to make wiring clean and tidy; Present embodiment all is arranged at each wiring solder joint on the both sides of the edge of aluminium base, and in the present embodiment, this aluminium base 103 provides the installation position of at least 20 LED.When the LED stationary installation 1 of utilizing the utility model is carried out the burn-in test of plurality of LEDs simultaneously; Need plurality of LEDs be welded on each installation position of aluminium base 103; Owing to when test, need LED stationary installation 1 of the present invention be installed on the hot case, place hot case to carry out the burn-in test of LED so that carry the aluminium base 103 of LED; And make heating radiator 104 all need place outside the hot case for each LEDs provides the circuit of measuring current on the wiring solder joint with being connected in; Therefore, for the ease of wiring, as shown in Figure 3; Can in mounting disc 101, be provided with what run through its end face and bottom surface for example is the cable-through hole 101d that arranges in heating radiator 103 peripheries (perhaps in the aluminium base periphery); Connecting line on the wiring solder joint that is connected to aluminium base 103 is worn to hot case outside (being the open space at heating radiator place) through cable-through hole 101d, and behind the completion cabling, lute capable of using etc. seal cable-through hole 101d.
In addition, owing in ageing process, need utilize thermopair that the shell temperature of every LEDs and the temperature of aluminium base are monitored, thermopair is carried out spacing fixedly via hole so also can on aluminium base, be designed for.
For the ease of with LED stationary installation 1 integral installation of the utility model on hot case, as shown in Figure 3, the mounting disc mounting hole 101e that the periphery at heating radiator that runs through this mounting disc is arranged can be set in mounting disc 101.Like this; When needs carry out burn-in test; Only needing to utilize mounting disc mounting hole 101e to be installed on the hot case LED stationary installation 1 integral body gets final product; When mounted, in order to guarantee sealing and the thermal insulation between mounting disc 101 and the hot case, one second sealing gasket can be set between the installed surface of mounting disc 101 and hot case.Burn-in test only needs several gib screws of dismounting can LED stationary installation 1 be taken out and moves to the photochromic electrical quantity of measuring each LED on the integrating sphere again after the schedule time; Therefore; The burn-in test and the photochromic electric parameter measurement that carry out at interval need not to dismantle each LED separately, have guaranteed the high efficiency and the accuracy of LED test.
The above is merely the utility model preferred implementation, is not the practical range that is used for limiting the utility model, and the equivalence of in the protection domain of the utility model, being done in every case changes and modifies, and all should think to have fallen in the protection domain of the utility model.
Claims (8)
1. the LED stationary installation is used in a LED life test; It is characterized in that: comprise heating radiator, electric cold plate, mounting disc and be used to weld the aluminium base of plurality of LEDs; Said electric cold plate and mounting disc all are fixedly installed on the heating radiator; The middle part of said mounting disc has opening, and electric cold plate is embedded in the said opening, and makes heating radiator be positioned at bottom surface one side towards mounting disc; Said aluminium base is close on the surface of being fixed in electric cold plate, and make aluminium base be used to weld one of LED pin and face up and expose;
Said aluminium base has a plurality of installation positions that are used to connect LED, the LED positive and negative electrode of each installation position all be arranged at aluminium base on each installation position one to one the wiring solder joint be electrically connected.
2. the LED stationary installation is used in LED life test according to claim 1, it is characterized in that: be coated with the heat-conducting silicone grease layer between said electric cold plate and the aluminium base.
3. the LED stationary installation is used in LED life test according to claim 1, it is characterized in that: the surfaces coated that said aluminium base is close to electric cold plate is covered with the insullac layer.
4. the LED stationary installation is used in LED life test according to claim 1, it is characterized in that: be provided with first sealing gasket of arranging around electric cold plate between said mounting disc and the heating radiator.
5. the LED stationary installation is used in LED life test according to claim 1, it is characterized in that: have hand-held handle on the bottom surface of said mounting disc.
6. the LED stationary installation is used in LED life test according to claim 1, it is characterized in that: the profile of said electric cold plate and opening have the appearance profile that is complementary, and electric cold plate is embedded in the said opening just.
7. use the LED stationary installation according to each described LED life test in the claim 1 to 6, it is characterized in that: said mounting disc is provided with the cable-through hole that runs through its end face and bottom surface.
8. the LED stationary installation is used in LED life test according to claim 7, it is characterized in that: said mounting disc is provided with the mounting disc mounting hole that is used to install said LED stationary installation that runs through its end face and bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200785605U CN202494769U (en) | 2012-03-05 | 2012-03-05 | LED fixing device for LED life test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200785605U CN202494769U (en) | 2012-03-05 | 2012-03-05 | LED fixing device for LED life test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202494769U true CN202494769U (en) | 2012-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200785605U Expired - Fee Related CN202494769U (en) | 2012-03-05 | 2012-03-05 | LED fixing device for LED life test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202494769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390764A (en) * | 2014-07-28 | 2015-03-04 | 苏州春田机械有限公司 | Multistage rotary-disk mechanism of CCD detection machine |
| CN104569778A (en) * | 2014-12-20 | 2015-04-29 | 佛山市多谱光电科技有限公司 | LED integrated ageing and life rapid detection device |
| CN107450006A (en) * | 2017-08-14 | 2017-12-08 | 杭州可靠性仪器厂 | A kind of metal-oxide-semiconductor, diode power batch run device |
-
2012
- 2012-03-05 CN CN2012200785605U patent/CN202494769U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390764A (en) * | 2014-07-28 | 2015-03-04 | 苏州春田机械有限公司 | Multistage rotary-disk mechanism of CCD detection machine |
| CN104569778A (en) * | 2014-12-20 | 2015-04-29 | 佛山市多谱光电科技有限公司 | LED integrated ageing and life rapid detection device |
| CN107450006A (en) * | 2017-08-14 | 2017-12-08 | 杭州可靠性仪器厂 | A kind of metal-oxide-semiconductor, diode power batch run device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGZHOU PRODUCT QUALITY INSPECTION AND SUPERVISI Free format text: FORMER NAME: SHENZHEN MANYOUNG TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 213001 Jiangsu province Changzhou City Tianning Lanling Road No. 520 Patentee after: Changzhou Product Quality Inspection and Supervision Institute Patentee after: Shenzhen Manyoung Technology Co.,Ltd. Address before: The comprehensive building of Tsinghua Nanshan District Keyuan Road Shenzhen city Guangdong province 518000 8 807 Patentee before: Shenzhen Manyoung Technology Co.,Ltd. Patentee before: Changzhou Product Quality Inspection and Supervision Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20190305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |