CN107450007A - A kind of LED vibration reliabilities test device - Google Patents
A kind of LED vibration reliabilities test device Download PDFInfo
- Publication number
- CN107450007A CN107450007A CN201710700573.9A CN201710700573A CN107450007A CN 107450007 A CN107450007 A CN 107450007A CN 201710700573 A CN201710700573 A CN 201710700573A CN 107450007 A CN107450007 A CN 107450007A
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- CN
- China
- Prior art keywords
- led
- vibration
- logging
- test device
- samples
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2607—Circuits therefor
- G01R31/2632—Circuits therefor for testing diodes
- G01R31/2635—Testing light-emitting diodes, laser diodes or photodiodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
Abstract
The invention discloses a kind of LED vibration reliabilities test device; belong to LED technical field of measurement and test; including continuous-current plant, LED clip tool, shaking platform, acrylic sample protective cover, logging and computer; LED clip tool is arranged on shaking platform; LED clip has and shaking platform is arranged in acrylic sample protective cover; shaking platform is connected with logging, and logging is connected with computer.The present invention adds protection casing; interference of the external foreign matter to experiment porch can effectively be prevented; can monitor at any time LED it is vibrated when behaviour in service, shaking platform Oscillation Amplitude can adjust, and shaking platform overall noise is small; platform can timing working; LED state in vibration can at any time be gathered and transmitted to computer, the life-span of sample can be predicted according to collected data, and the vibration reliability test device can be vibrated in long-time; vibration is stable, can set Failure Alarm.
Description
Technical field
The present invention relates to a kind of test device, more particularly to a kind of LED vibration reliabilities test device, belongs to LED surveys
Try technical field.
Background technology
At present, LED has been widely used in reality at present with its low-power consumption, specular removal, with reasons such as extra long lifes
Among, in flip LED, weld layer plays a part of electrical connection, plays a part of mechanical support again, and vibration may
LED layers can be cracked, ultimately result in pad cracking, cause LED failure, and LED is in production, transport and practical application
During unavoidably can impact vibrated, under the conditions of vibratory impulse, LED is likely to cause the failure of different situations, sample
Out-of-service time is random, and the time is generally difficult to record, and at present, LED samples are simply fixed on shaking platform by LED vibration-testings merely
On vibrated, can not be tested according to Vibration Condition under actual operating conditions.
In the prior art, Authorization Notice No. is in CN104180961B Chinese patent, discloses a kind of LED illumination lamp and shakes
Dynamic test device, sets annular conveyer belt to install LED illumination lamp outside vibrating mass, and the corner of conveyer belt is arc,
Four arcs of corner may make up a full circle, be provided with the casing of antinoise cotton, corresponding to the setting of casing inner bottom part both sides
Infrared inductor, once in vibration processes, LED will be sensed because quality problems part comes off so as to which stopping of alarming is shaken
Dynamic, prior art does not consider real work situation, does not apply electric current for LED samples, but use process in LED
In easily go wrong, therefore, it is necessary to test LED in a state of use vibration reliability test.
The content of the invention
The main object of the present invention is to provide for a kind of LED vibration reliabilities test device, monitors LED at any time and is working
Under the conditions of it is vibrated when behaviour in service, situations of the simulation LED during any use, according to collected data to sample
The life-span of product is predicted.
The purpose of the present invention can reach by using following technical scheme：
A kind of LED vibration reliabilities test device, including continuous-current plant, LED clip tool, shaking platform, acrylic sample
Product protective cover, logging and computer, the continuous-current plant connect with LED clip tool, the continuous-current plant root
The electric current of condition application is needed according to sample, the LED clip tool is arranged on the shaking platform, and the LED clip tool shakes with described
Moving platform is arranged in the acrylic sample protective cover, and the acrylic sample protective cover, which is used to completely cut off caused by vibration, makes an uproar
Sound and protection LED samples to be measured, prevent LED samples to be measured from being connected by external interference, the shaking platform with the logging
Connect, the logging is connected with the computer, and the computer is used to gather and data storage.
Preferable scheme is, the single channel maximum output current of the continuous-current plant is 1A, the continuous-current plant
It is connected between having with the LED clip by dc source supply lines.
In any of the above-described scheme preferably, the continuous-current plant is provided with output current adjusting knob and output
Current Display, the output current adjusting knob are used to adjust output current size, and the output current display is used to show
Show output current, the adjustable range of the output current adjusting knob is 0~1A.
In any of the above-described scheme preferably, the LED clip tool is provided with least 30 LED sample necks, Mei Gesuo
State in LED samples neck and be provided with LED samples, it is parallel with one another between each LED samples.
In any of the above-described scheme preferably, the LED clip tool is arranged on the shaking platform by support base, institute
State support base and the shaking platform integrally connected, be provided with the shaking platform control device, adjusting means, timing means and
Display.
In any of the above-described scheme preferably, the Oscillation Amplitude of the shaking platform is according to the demands of the LED samples
It is adjusted, the control device electrically connects with the adjusting means, the timing means and the display respectively, the control
Device processed also electrically connects with the logging, and the timing means is used to set Timing vibration, and the timing means setting is determined
Shi Zhendong most long countdown is 1000 hours.
In any of the above-described scheme preferably, it is electrically connected between the logging and the shaking platform by connecting line
Connect, the logging is used for the voltage for gathering the LED samples both ends in real time, is judged according to the voltage at the LED samples both ends
The LED samples whether path.
In any of the above-described scheme preferably, the logging is provided with setting knob, adjusting knob and display, institute
State setting knob and be used for setting slot, the adjusting knob is used to adjust data acquisition time, and the display is used for display data
Acquisition time, the minimum data acquisition interval of the data acquisition time is 1 second.
In any of the above-described scheme preferably, the logging is by the voltage at the LED samples both ends collected
Data value is exported to the computer, is electrically connected between the logging and the computer by connecting line, the computer
The form of the voltage data value of storage is EXCEL forms.
In any of the above-described scheme preferably, in addition to acoustic-optic alarm, the acoustic-optic alarm respectively with institute
Logging and the computer are stated, when the voltage not path at the LED samples both ends, the acoustic-optic alarm sends acousto-optic
Alarm signal, the sound and light alarm signal reminds the LED sample fails, and indicates the position of the LED samples of failure.
The advantageous effects of the present invention：It is provided by the invention according to the LED vibration reliability test devices of the present invention
LED vibration reliability test devices, in the case where considering actual operating conditions, the vibration problems of LED under running conditions, Ke Yitong
When test 30 samples, monitoring sample size it is more, protection casing is added outside experiment porch, can effectively prevent external foreign matter
Interference to experiment porch, can monitor at any time LED it is vibrated under running conditions when behaviour in service, shaking platform vibration
Amplitude can be adjusted according to actual conditions, and shaking platform overall noise is small, platform can timing working, the LED state in vibration can be at any time
Gather and transmit to computer, situations of the LED during any use can be simulated, can also be according to collected data to sample
The life-span of product is predicted, and is considering vibrational states of the LED under actual operating conditions, the vibration reliability test device can
To be vibrated in long-time, vibration is stable, can set Failure Alarm, the sample to fail occurs, it will send prompt tone, inform
Through there is the sample that fails, at the same time, the out-of-service time has been had been saved in computer, can read the out-of-service time of sample.
Brief description of the drawings
Fig. 1 is the structure chart according to a preferred embodiment of the LED vibration reliability test devices of the present invention.
In figure：1- continuous-current plants, 2- dc source supply lines, 3-LED fixtures, 4-LED samples, 5- shaking platforms,
6- acrylic sample protective covers, 7- loggings, 8- connecting lines, 9- computers.
Embodiment
To make those skilled in the art more clear and clear and definite technical scheme, with reference to embodiment and accompanying drawing
The present invention is described in further detail, but the implementation of the present invention is not limited to this.
As shown in figure 1, a kind of LED vibration reliabilities test device that the present embodiment provides, including continuous-current plant 1,
LED clip tool 3, shaking platform 5, acrylic sample protective cover 6, logging 7 and computer 9, the continuous-current plant 1 with it is described
The connection of LED clip tool 3, the continuous-current plant 1 need the electric current of condition application according to sample, and the LED clip tool 3 is arranged on institute
State on shaking platform 5, the LED clip tool 3 and the shaking platform 5 are arranged in the acrylic sample protective cover 6, described
Acrylic sample protective cover 6 is used to completely cut off noise caused by vibration and protection LED samples to be measured, prevent LED samples to be measured by
To external interference, the shaking platform 5 is connected with the logging 7, and the logging 7 is connected with the computer 9, the meter
Calculation machine 9 is used to gather and data storage.
Further, in the present embodiment, as shown in figure 1, the single channel maximum output current of the continuous-current plant 1 is
1A, connected between the continuous-current plant 1 and LED clip tool 3 by dc source supply lines 2, the dc source dress
Put 1 and be provided with output current adjusting knob and output current display, the output current adjusting knob is used to adjust output electricity
Size is flowed, the output current display is used for display output electric current, and the adjustable range of the output current adjusting knob is 0~
1A, the LED clip tool 3 are provided with least 30 LED sample necks, are provided with LED samples 4 in each LED samples neck, often
It is parallel with one another between the individual LED samples 4.
Further, in the present embodiment, as shown in figure 1, LED clip tool 3 is arranged on the vibration by support base
On platform 5, the support base and the integrally connected of shaking platform 5, the shaking platform 5 is interior to be provided with control device, regulation dress
Put, timing means and display, the Oscillation Amplitude of the shaking platform 5 are adjusted according to the demand of the LED samples 4, institute
Control device is stated to electrically connect with the adjusting means, the timing means and the display respectively, the control device also with
The logging 7 electrically connects, and the timing means is used to set Timing vibration, and the Timing vibration of the timing means setting is most
Long countdown is 1000 hours.
Further, in the present embodiment, as shown in figure 1, passing through company between the logging 7 and the shaking platform 5
Wiring 8 electrically connects, and the logging 7 is used for the voltage for gathering the both ends of LED samples 4 in real time, according to 4 liang of the LED samples
The voltage at end judge the LED samples 4 whether path, the logging 7 is provided with setting knob, adjusting knob and display,
The setting knob is used for setting slot, and the adjusting knob is used to adjust data acquisition time, and the display is used to show number
According to acquisition time, the minimum data acquisition interval of the data acquisition time is 1 second.
Further, in the present embodiment, as shown in figure 1,4 liang of the LED samples that the logging 7 will be collected
The voltage data value at end is exported to the computer 9, is electrically connected between the logging 7 and the computer 9 by connecting line 8
Connect, the form of the voltage data value that the computer 9 stores is EXCEL forms, in addition to acoustic-optic alarm, the acousto-optic report
Alarm device respectively with the logging 7 and the computer 9, when the voltage not path at the both ends of LED samples 4, the sound
Light alarm device sends sound and light alarm signal, and the sound and light alarm signal reminds the LED samples 4 to fail, and indicates failure
The LED samples 4 position.
In summary, in the present embodiment, carried according to the LED vibration reliability test devices of the present embodiment, the present embodiment
The LED vibration reliability test devices of confession, in the case where considering actual operating conditions, the vibration problems of LED under running conditions can
To test 30 samples simultaneously, monitoring sample size is more, and protection casing is added outside experiment porch, can effectively prevent the external world
Interference of the foreign matter to experiment porch, can monitor at any time LED it is vibrated under running conditions when behaviour in service, shaking platform
Oscillation Amplitude can be adjusted according to actual conditions, and shaking platform overall noise is small, platform can timing working, the LED state in vibration can
Gather and transmitted to computer at any time, situations of the LED during any use can be simulated, can also be according to collected data
The life-span of sample is predicted, is considering vibrational states of the LED under actual operating conditions, if sample fails, failure
Real time is uploaded to computer, and data can export.
It is described above, further embodiment only of the present invention, but protection scope of the present invention is not limited thereto, and it is any
In scope disclosed in this invention, technique according to the invention scheme and its design add those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
- A kind of 1. LED vibration reliabilities test device, it is characterised in that：Including continuous-current plant (1), LED clip tool (3), shake Moving platform (5), acrylic sample protective cover (6), logging (7) and computer (9), the continuous-current plant (1) with it is described LED clip tool (3) connection, the continuous-current plant (1) need the electric current of condition application according to sample, and the LED clip tool (3) sets Put on the shaking platform (5), the LED clip tool (3) and the shaking platform (5) are arranged at the acrylic sample and protected In shield (6), the acrylic sample protective cover (6) is used to completely cut off noise caused by vibration and protection LED samples to be measured, prevents Only LED samples to be measured are connected by external interference, the shaking platform (5) with the logging (7), the logging (7) with Computer (9) connection, the computer (9) is used to gather and data storage.
- A kind of 2. LED vibration reliabilities test device according to claim 1, it is characterised in that：The dc source dress The single channel maximum output current for putting (1) is 1A, passes through direct current between the continuous-current plant (1) and LED clip tool (3) Source supply lines (2) connects.
- A kind of 3. LED vibration reliabilities test device according to claim 1, it is characterised in that：The dc source dress Put (1) and be provided with output current adjusting knob and output current display, the output current adjusting knob, which is used to adjust, to be exported Size of current, the output current display are used for display output electric current, and the adjustable range of the output current adjusting knob is 0 ~1A.
- A kind of 4. LED vibration reliabilities test device according to claim 1, it is characterised in that：The LED clip has (3) At least 30 LED sample necks are provided with, LED samples (4) are provided with each LED samples neck, each LED samples (4) it is parallel with one another between.
- A kind of 5. LED vibration reliabilities test device according to claim 4, it is characterised in that：The LED clip has (3) It is arranged on by support base on the shaking platform (5), the support base and the shaking platform (5) integrally connected are described to shake Control device, adjusting means, timing means and display are provided with moving platform (5).
- A kind of 6. LED vibration reliabilities test device according to claim 5, it is characterised in that：The shaking platform (5) Oscillation Amplitude be adjusted according to the demand of the LED samples (4), the control device respectively with the adjusting means, institute Timing means and display electrical connection are stated, the control device also electrically connects with the logging (7), the timing means For setting Timing vibration, the most long countdown for the Timing vibration that the timing means is set is 1000 hour.
- A kind of 7. LED vibration reliabilities test device according to claim 6, it is characterised in that：The logging (7) with Electrically connected between the shaking platform (5) by connecting line (8), the logging (7) is used to gather the LED samples in real time (4) voltage at both ends, according to the voltage at LED samples (4) both ends judge the LED samples (4) whether path.
- A kind of 8. LED vibration reliabilities test device according to claim 7, it is characterised in that：On the logging (7) Provided with setting knob, adjusting knob and display, the setting knob is used for setting slot, and the adjusting knob is used to adjust data Acquisition time, the display are used for display data acquisition time, and the minimum data acquisition interval of the data acquisition time is 1 Second.
- A kind of 9. LED vibration reliabilities test device according to claim 8, it is characterised in that：The logging (7) will The voltage data value at LED samples (4) both ends collected is exported to the computer (9), the logging (7) and institute State and electrically connected by connecting line (8) between computer (9), the form of the voltage data value of computer (9) storage is EXCEL Form.
- A kind of 10. LED vibration reliabilities test device according to claim 7, it is characterised in that：Also include sound and light alarm Device, the acoustic-optic alarm respectively with the logging (7) and the computer (9), when LED samples (4) both ends Voltage not path when, the acoustic-optic alarm sends sound and light alarm signal, and the sound and light alarm signal reminds the LED samples Product (4) fail, and indicate the position of the LED samples (4) of failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700573.9A CN107450007A (en) | 2017-08-16 | 2017-08-16 | A kind of LED vibration reliabilities test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700573.9A CN107450007A (en) | 2017-08-16 | 2017-08-16 | A kind of LED vibration reliabilities test device |
Publications (1)
| Publication Number | Publication Date |
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| CN107450007A true CN107450007A (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710700573.9A Pending CN107450007A (en) | 2017-08-16 | 2017-08-16 | A kind of LED vibration reliabilities test device |
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| Country | Link |
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| CN (1) | CN107450007A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669116A (en) * | 2019-02-26 | 2019-04-23 | 河海大学常州校区 | A kind of multiple physical field LED ageing tester and method |
| CN110146131A (en) * | 2019-06-12 | 2019-08-20 | 佛山市南海区联合广东新光源产业创新中心 | A kind of LED lamp product evaluation test method |
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| CN102944826A (en) * | 2012-11-23 | 2013-02-27 | 深圳清华大学研究院 | LED testing device, system and method |
| CN203414106U (en) * | 2013-07-23 | 2014-01-29 | 佛山市香港科技大学Led-Fpd工程技术研究开发中心 | Electric light source accelerated aging real-time monitoring system |
| CN103852704A (en) * | 2012-12-04 | 2014-06-11 | 株式会社九州日昌 | Constant temperature device |
| CN104180961A (en) * | 2014-09-10 | 2014-12-03 | 苏州承腾电子科技有限公司 | Vibration testing device for LED lighting lamps |
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2017
- 2017-08-16 CN CN201710700573.9A patent/CN107450007A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821523A (en) * | 2012-08-16 | 2012-12-12 | 浙江生辉照明有限公司 | LED (Light-Emitting Diode) lighting device and service life verification method thereof |
| CN102944826A (en) * | 2012-11-23 | 2013-02-27 | 深圳清华大学研究院 | LED testing device, system and method |
| CN103852704A (en) * | 2012-12-04 | 2014-06-11 | 株式会社九州日昌 | Constant temperature device |
| CN203414106U (en) * | 2013-07-23 | 2014-01-29 | 佛山市香港科技大学Led-Fpd工程技术研究开发中心 | Electric light source accelerated aging real-time monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669116A (en) * | 2019-02-26 | 2019-04-23 | 河海大学常州校区 | A kind of multiple physical field LED ageing tester and method |
| CN110146131A (en) * | 2019-06-12 | 2019-08-20 | 佛山市南海区联合广东新光源产业创新中心 | A kind of LED lamp product evaluation test method |
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Application publication date: 20171208 |