CN104597412A - LED power testing device - Google Patents
LED power testing device Download PDFInfo
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- CN104597412A CN104597412A CN201410847925.XA CN201410847925A CN104597412A CN 104597412 A CN104597412 A CN 104597412A CN 201410847925 A CN201410847925 A CN 201410847925A CN 104597412 A CN104597412 A CN 104597412A
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- 238000005070 sampling Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 7
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- 230000009286 beneficial effect Effects 0.000 description 2
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Abstract
The invention discloses an LED power testing device. The device comprises a device, a programmable variable frequency motor, an industrial personal computer, an electronic load case, a system control device and a testing device; the programmable variable frequency motor, the industrial personal computer, the electronic load case, the system control device and the testing device are mounted on the device body; a workbench is arranged on the device body; a jig plate adapted to a tested power board is mounted on the workbench; an pneumatic pressing plate for compressing and fixing a tested power supply to be in accurate contact with AC and DC probes is mounted above the jig plate; the testing device comprises an input interface circuit, a display screen, a system control box, an AC voltage acquiring box, an AC current acquiring circuit, an electronic load module, a power meter analyzing module and an IO control plate; the programmable power supply is connected with the system control device which is connected with an electronic load. The LED power testing device is specially developed for an LED power supply and can be used for automatically testing the performance parameters of the LED power supply, so that the problem of testing time in manual test can be solved, the inaccurate determination and error determination caused by different test times can be avoided, and therefore, the testing efficiency and accuracy can be greatly increased; the device can be widely applied to the manufacturing industry of the LED power supplies.
Description
Technical field
The present invention relates to checkout equipment art, refer in particular to a kind of LED power testing apparatus.
Background technology
LED developing history decades, but in the application of lighting field or new technology.Along with the fast development of LED technology, the progressively raising of its luminescence efficiency, the application market of LED will be more extensive, under the background raised once again in the worry of global energy shortage especially, LED more enjoys the whole world to attract attention in the prospect of illumination market, is thought that becoming the market that is expected most and maximum market at coming 10 years will be the maximum potential commodity replacing incandescent lamp, tungsten lamp and fluorescent light by industry.
In the test of LED drive power, method conventional is at present the input parameter exchanged with the test of some parameter tester, and direct current output realizes the electric current of direct current and the test of voltage parameter with multimeter after electronic load.Finally with manually carrying out read data and judging that whether product is qualified.The shortcoming of this test mode is whole test process trouble, and efficiency is low, and electronic load makes test result occur deviation because the volt-ampere characteristic problem of LED is not too applicable to being applied to LED power, easily causes erroneous judgement.
Therefore, a kind of convenient and swift, easy judgement is provided to provide, efficiency is high and accuracy is high LED power test macro solves above defect.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its fundamental purpose is to provide convenient and swift, easy judgement, efficiency is high and accuracy is high LED power test macro.
For achieving the above object, the present invention adopts following technical scheme: a kind of LED power testing apparatus, include fuselage and be installed on the variable-frequency power sources able to programme on fuselage, industrial computer, electronic load cabinet, system control device device and proving installation, described fuselage is provided with worktable, worktable is provided with the jig plate suitable with the power panel tested, be provided with for being fixed tested power supply to make its accurate and AC above this jig plate, the air cylinder pressure plate that DC probe contacts, described proving installation comprises input interface circuit, display screen, system control box, AC voltage sampling circuit, AC current collecting circuit, electronic load module, power meter analysis module and IO control panel, programmable power supply is connected with system control device, system control device is connected with electronic load, first industrial computer controls the data acquisition that the variable-frequency power sources able to programme power meter module supplied power to inside electronic load cabinet carries out voltage, electric current, power power factor (PF), harmonic voltage, harmonic current, output voltage, output current, to electronic load after signal being exported by the input of product A C section, DC section by system control device, feed back to industrial computer through data acquisition and read data by display screen.
As a kind of preferred version, described system control device is also connected with and exchanges input short protection circuit, and described harmonics circuit is connected with described AC power.
As a kind of preferred version, described system control device is also connected with memory interface circuit.
As a kind of preferred version, described system control device is also connected with an interchange input and detects shorted lamp.
As a kind of preferred version, described system control device comprises keystroke interface circuit or Computer interface circuit.
As a kind of preferred version, described display screen is LCDs.
The present invention compared with prior art has obvious advantage and beneficial effect, this LED power testing apparatus is developed specially for LED power, automatically can test tested LED power performance parameter, solve the problem of test duration in artificial test process, avoid the misjudgement and erroneous judgement that cause because the test duration is different in size, substantially increase testing efficiency and test accuracy, LED power manufacturing can be widely used in.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the embodiment of the present invention.
Accompanying drawing identifier declaration:
Fuselage 10, worktable 11,
Jig plate 12, air cylinder pressure plate 13,
Variable-frequency power sources 20 able to programme, industrial computer 30,
Electronic load cabinet 40, system control device device 50,
Proving installation 60, display screen 61.
Embodiment
Please refer to shown in Fig. 1, which show the concrete structure of the preferred embodiment of the present invention, a kind of LED power testing apparatus, includes fuselage 10 and is installed on variable-frequency power sources able to programme 20, industrial computer 30, electronic load cabinet 40, system control device device 50 and the proving installation 60 on fuselage 10.
Wherein, this fuselage 10 is provided with worktable 11, and worktable 11 is provided with the jig plate 12 suitable with the power panel tested, and is provided with the air cylinder pressure plate 13 accurately contacted with AC, DC probe to make it for being fixed tested power supply above this jig plate 12.
This proving installation 60 comprises input interface circuit, display screen 61, system control box, AC voltage sampling circuit, AC current collecting circuit, electronic load module, power meter analysis module and IO control panel; This display screen is LCDs.This programmable power supply is connected with system control device, system control device is connected with electronic load, first industrial computer controls the data acquisition that the variable-frequency power sources able to programme power meter module supplied power to inside electronic load cabinet carries out voltage, electric current, power power factor (PF), harmonic voltage, harmonic current, output voltage, output current, to electronic load after signal being exported by the input of product A C section, DC section by system control device, feed back to industrial computer through data acquisition and read data by display screen.
This system control device 50 is also connected with and exchanges input short protection circuit, and the harmonics circuit be somebody's turn to do is connected with this AC power.
This system control device 50 is also connected with memory interface circuit.
This system control device 50 is also connected with an interchange input and detects shorted lamp.
This system control device 50 is provided with keystroke interface circuit or Computer interface circuit.
In the present embodiment, described input interface circuit keystroke interface circuit and Computer interface circuit, described keystroke interface circuit is all connected with described system control device with Computer interface circuit, thus realizes respectively manually and automatically inputting two kinds of test patterns.According to automatic input pattern, then by the bound at computer installation electric current and voltage parameter, and by system microcontroller, automatic decision is carried out to the product do not met the demands, realize automatically testing.And automatically stored in computer file, if also will produce next time, only can also need call source file and just can automatically test for set parameter.Greatly can improve testing efficiency like this, alleviate the work load of operator.
The power panel of test is connected with jig plate, controlling to be fixed by cylinder makes tested power supply accurately and AC, DC probe contacts, programmable power supply is connected with system control device, system control device is connected with electronic load, first Industry Control computer controls the power meter module that Programmable AC Power Source supplies power to inside electronic load cabinet and carries out voltage, electric current, power power factor (PF), harmonic voltage, harmonic current, output voltage, the data acquisition of output current etc., by system control device, signal is inputted by product A C section, to electronic load after DC section exports, feed back to Industry Control computer through data acquisition and read data by professional software.And in this example, described display screen is 19 cun of LCDs, be connected the test result showing institute's test products with industrial PC.
Described system control device is connected with input AC function of short circuit detection, for harmonics circuit, in traditional test macro, needs artificial cut-out circuit to prevent from protecting this circuit to cause unnecessary power attenuation.And in this example, described under system control device, automatically judging whether to enable harmonics circuit by detecting input circuit, reaching the effect and protection circuit of saving energy consumption.
Described system control device is also connected with and exchanges input short defencive function, avoids damaging personnel and product, in order to avoid cause accident.
Describedly also be connected to via memory interface circuit one circumscribed USB or a USB flash disk for controller, thus can real-time storage test data, be beneficial to QC personnel inspection after client.
When enabling this test macro, need first to carry out initialization to system, when start key button, system detects input AC electric current, voltage and output DC current and voltage, if test product short circuit, and the direct light prompting short circuit of system short-circuit guard lamp.
Of the present inventionly to focus on: this LED power testing apparatus is developed specially for LED power, automatically can test tested LED power performance parameter, solve the problem of test duration in artificial test process, avoid the misjudgement and erroneous judgement that cause because the test duration is different in size, substantially increase testing efficiency and test accuracy, LED power manufacturing can be widely used in.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus every according to technical spirit of the present invention to any trickle amendment made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a LED power testing apparatus, it is characterized in that: include fuselage and be installed on the variable-frequency power sources able to programme on fuselage, industrial computer, electronic load cabinet, system control device device and proving installation, described fuselage is provided with worktable, worktable is provided with the jig plate suitable with the power panel tested, be provided with for being fixed tested power supply to make its accurate and AC above this jig plate, the air cylinder pressure plate that DC probe contacts, described proving installation comprises input interface circuit, display screen, system control box, AC voltage sampling circuit, AC current collecting circuit, electronic load module, power meter analysis module and IO control panel, programmable power supply is connected with system control device, system control device is connected with electronic load, first industrial computer controls the data acquisition that the variable-frequency power sources able to programme power meter module supplied power to inside electronic load cabinet carries out voltage, electric current, power power factor (PF), harmonic voltage, harmonic current, output voltage, output current, to electronic load after signal being exported by the input of product A C section, DC section by system control device, feed back to industrial computer through data acquisition and read data by display screen.
2. a kind of LED power testing apparatus according to claim 1, is characterized in that: described system control device is also connected with and exchanges input short protection circuit, and described harmonics circuit is connected with described AC power.
3. a kind of LED power testing apparatus according to claim 1, is characterized in that: described system control device is also connected with memory interface circuit.
4. a kind of LED power testing apparatus according to claim 1, is characterized in that: described system control device is also connected with an interchange input and detects shorted lamp.
5. a kind of LED power testing apparatus according to claim 1, is characterized in that: described system control device comprises keystroke interface circuit or Computer interface circuit.
6. a kind of LED power testing apparatus according to claim 1, is characterized in that: described display screen is liquid crystal display touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847925.XA CN104597412A (en) | 2014-12-31 | 2014-12-31 | LED power testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847925.XA CN104597412A (en) | 2014-12-31 | 2014-12-31 | LED power testing device |
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| CN104597412A true CN104597412A (en) | 2015-05-06 |
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| CN201410847925.XA Pending CN104597412A (en) | 2014-12-31 | 2014-12-31 | LED power testing device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324532A (en) * | 2016-09-26 | 2017-01-11 | 厦门友光工贸有限公司 | Test machine for LED driving power sources |
| CN108877609A (en) * | 2018-07-09 | 2018-11-23 | 格力电器（武汉）有限公司 | Test table capable of automatically detecting functions of display |
| CN108919336A (en) * | 2018-08-24 | 2018-11-30 | 无锡华普微电子有限公司 | A kind of radiation detector performance test frock system |
| CN109298353A (en) * | 2018-10-25 | 2019-02-01 | 江苏理工学院 | LED drive power test macro based on LabVIEW |
| CN109633481A (en) * | 2018-12-27 | 2019-04-16 | 通标标准技术服务有限公司 | LED power security test automation system |
| CN110412375A (en) * | 2019-07-25 | 2019-11-05 | 广东顺德华认检测技术有限公司 | A method of for checking and accepting self-ballasted load cabinet |
| CN110632432A (en) * | 2019-10-28 | 2019-12-31 | 上海帕克热敏陶瓷有限公司 | Full-automatic comprehensive electric property inspection equipment for PTC element |
| CN111487554A (en) * | 2020-03-17 | 2020-08-04 | 北京交通大学 | Automatic testing system and method for direct current-to-direct current power supply module |
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2014
- 2014-12-31 CN CN201410847925.XA patent/CN104597412A/en active Pending
Patent Citations (8)
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| CN201429464Y (en) * | 2009-04-09 | 2010-03-24 | 张九六 | Automatic test spectrometer for united LED |
| CN102478638A (en) * | 2010-11-27 | 2012-05-30 | 西安博昱新能源有限公司 | Comprehensive LED streetlamp power source testing system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324532A (en) * | 2016-09-26 | 2017-01-11 | 厦门友光工贸有限公司 | Test machine for LED driving power sources |
| CN108877609A (en) * | 2018-07-09 | 2018-11-23 | 格力电器（武汉）有限公司 | Test table capable of automatically detecting functions of display |
| CN108919336A (en) * | 2018-08-24 | 2018-11-30 | 无锡华普微电子有限公司 | A kind of radiation detector performance test frock system |
| CN109298353A (en) * | 2018-10-25 | 2019-02-01 | 江苏理工学院 | LED drive power test macro based on LabVIEW |
| CN109633481A (en) * | 2018-12-27 | 2019-04-16 | 通标标准技术服务有限公司 | LED power security test automation system |
| CN110412375A (en) * | 2019-07-25 | 2019-11-05 | 广东顺德华认检测技术有限公司 | A method of for checking and accepting self-ballasted load cabinet |
| CN110632432A (en) * | 2019-10-28 | 2019-12-31 | 上海帕克热敏陶瓷有限公司 | Full-automatic comprehensive electric property inspection equipment for PTC element |
| CN111487554A (en) * | 2020-03-17 | 2020-08-04 | 北京交通大学 | Automatic testing system and method for direct current-to-direct current power supply module |
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Application publication date: 20150506 |
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