CN203849369U - A miniature uni-foot light emitting diode power aging test apparatus - Google Patents
A miniature uni-foot light emitting diode power aging test apparatus Download PDFInfo
- Publication number
- CN203849369U CN203849369U CN201420133967.2U CN201420133967U CN203849369U CN 203849369 U CN203849369 U CN 203849369U CN 201420133967 U CN201420133967 U CN 201420133967U CN 203849369 U CN203849369 U CN 203849369U
- Authority
- CN
- China
- Prior art keywords
- miniature
- light emitting
- emitting diode
- current
- test
- 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.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 230000032683 aging Effects 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 239000000178 monomer Substances 0.000 claims description 16
- 241000270722 Crocodylidae Species 0.000 claims description 6
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 241000270728 Alligator Species 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The utility model discloses a miniature single-foot light emitting diode power aging test apparatus comprising a test box body. The test box body is provided with an operation panel. An electrical detection circuit is arranged in the test box body. The electrical detection circuit is provided with single body single-aperture sockets used for insertion connection of a detected miniature single-foot light emitting diode. The single body single-aperture sockets are respectively in series connection with current-limiting resistors. The current-limiting resistors and the single body single-aperture sockets in series connection with the current-limiting resistors are arranged through the adoption of a mode of a diode common-cathode equal-distance matrix. A common-cathode is connected into a safety protection circuit. The safety protection circuit is connected into a power supply adapter circuit. An output line of the safety protection circuit is provided with a plurality of anode sockets. A miniature alligator clip is connected with an anode plug. The anode plug is inserted in one anode socket, and clamps a covering winding ring of the tested miniature single-foot light emitting diode. Compared with test apparatuses in the prior art, the miniature single-foot light emitting diode power aging test apparatus is highly efficient and convenient; parameter tests are reliable and precise; batch tests can be realized; and single body test costs are substantially saved.
Description
Technical field
The utility model belongs to electronic devices and components checkout equipment field, is specifically related to the seasoned test unit of a kind of miniature unipods LED power.
Background technology
Along with the fast development of electronic technology, the microminiaturized development trend of small product size requires to make used electronic devices and components encapsulation more and more less, but stricter to its parameter request.For miniature unipods diode, there is no special-purpose concrete testing tool, difficult especially to the test of luminance test and continuous firing stability under 70 ℃ of states of its high temperature again on the basis that can not destroy its original package, it is extremely extensive that yet this element is used on various instruments, to the target location on the graticule of various observations, show very important, the job specification of whole product is played to the vital role of core, yet because it is that unipods and encapsulation volume are very little, current equipment and instrument is difficult to meet the demands.
Summary of the invention
The above-mentioned defect existing for solving prior art, it is a kind of with low cost that the purpose of this utility model is to provide, and parameter testing is reliably accurate, can realize a batch test, greatly saved monomer experimentation cost, efficiently the seasoned test unit of miniature unipods LED power easily.
For achieving the above object, the technical solution adopted in the utility model is: the seasoned test unit of this miniature unipods LED power, comprise a test casing, test casing has guidance panel, in test casing, be provided with electric detection circuit, it is characterized in that: described electric detection circuit has the only spring hole scoket of monomer for the tested miniature unipods light emitting diode of pegging graft, the only spring hole scoket of described monomer is connected in series respectively current-limiting resistance, the only spring hole scoket of monomer of described current-limiting resistance and its serial connection adopts the isometric matrix formula of diode common cathode to arrange, common cathode has access to insurance holding circuit, in insurance holding circuit, be provided with power switch, in insurance holding circuit access power adapter circuit, in the outlet line of insurance holding circuit, be provided with a plurality of positive pole sockets, miniature crocodile clip is connected with anode plug, and anode plug coordinates with positive pole socket, described miniature crocodile clip clamp tested miniature unipods light emitting diode luminescent substance hold circle.
In described electric detection circuit, current-limiting resistance is 270 Ω resistance, and diode maximum forward current value is 30mA, reverse voltage 5V, and diode forward forward voltage is 1.7V.
Adopt the beneficial effect of technique scheme: the seasoned test unit of this miniature unipods LED power; utilize matrix form pattern of rows and columns; by the equidistant row array of the capable n row of the m only spring hole scoket of SIL monomer; utilize diode common cathode method; its every n measured diode is gone here and there respectively and is set as one after upper flow resistance and is listed as that juxtaposition m is capable again; common cathode has access in the circuit of insurance protection, converts, in the power adapter circuit of the appropriate voltage that access is corresponding by circuit.In the stable circular socket holes that is fixed on the only spring hole scoket of monomer of miniature unipods light emitting diode, open after switch energising, be placed in 70 ℃ of high-temperature cabinets of high temperature, normal work continues more than 10 hours, its serviceability is carried out to real-time observing and controlling, saved largely the experimentation cost of superelevation, very economical practicality, keeps original package profile simultaneously, parameter testing is reliably accurate, batch test m * n only, has saved monomer experimentation cost greatly, efficiently convenient.Can also with illuminometer, to monomer whose luminosity, in darkroom, (or in shade) carries out Measurement accuracy at any time.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of Fig. 1 guidance panel.
Fig. 3 is the schematic diagram of the utility model electric detection circuit.
Embodiment
The seasoned test unit of miniature unipods LED power as shown in Figure 1, 2, 3 (24 diodes of take are example), diode maximum forward current value is 30mA, reverse voltage 5V, diode forward forward voltage is 1.7V.Comprise a test casing 7, test casing has guidance panel 8, in test casing, be provided with electric detection circuit, described electric detection circuit has the only spring hole scoket 1 of monomer for the tested miniature unipods light emitting diode 2 of pegging graft, the only spring hole scoket 1 of this monomer is arranged on guidance panel 8, the only spring hole scoket 1 of described monomer is connected in series respectively current-limiting resistance, current-limiting resistance is 270 Ω resistance, the only spring hole scoket of monomer of described current-limiting resistance and its serial connection adopts the isometric matrix formula of diode common cathode to arrange, common cathode has access to insurance holding circuit, insurance holding circuit is the protective tube being arranged in circuit, in insurance holding circuit, be also provided with power switch, power switch placement is on guidance panel 8, to open circuit, test, in insurance holding circuit access power adapter circuit, in the outlet line of insurance holding circuit, be provided with a plurality of positive pole sockets 5, miniature crocodile clip 4 is connected with anode plug 6, during use, anode plug 6 inserts in positive pole socket 5, 3(positive pole is enclosed in holding of the luminescent substance of the tested miniature unipods light emitting diode 2 of described miniature crocodile clip 4 clamping), miniature unipods light emitting diode 2(negative pole) the only spring hole scoket 1 of insertion monomer.Turn on the power switch, under normal temperature, errorless being placed under 70 ℃ of environment of high temperature of duty worked more than 10 hours.By high-temperature cabinet view window, observe the stability of duty, after the brightness of bore hole observation diode changes, select this diode, use illuminometer accurately its brightness of test in darkroom, be less than 8mcd and eliminated, still, in specialized range, continue seasoned only to more than 10 hours.By the method, can realize large batch of screening.Energy-and time-economizing is efficiently convenient.
Claims (2)
1. the seasoned test unit of miniature unipods LED power, comprise a test casing, test casing has guidance panel, in test casing, be provided with electric detection circuit, it is characterized in that: described electric detection circuit has the only spring hole scoket of monomer for the tested miniature unipods light emitting diode of pegging graft, the only spring hole scoket of described monomer is connected in series respectively current-limiting resistance, the only spring hole scoket of monomer of described current-limiting resistance and its serial connection adopts the isometric matrix formula of diode common cathode to arrange, common cathode has access to insurance holding circuit, in insurance holding circuit, be provided with power switch, in insurance holding circuit access power adapter circuit, in the outlet line of insurance holding circuit, be provided with a plurality of positive pole sockets, miniature crocodile clip is connected with anode plug, and anode plug coordinates with positive pole socket, described miniature crocodile clip clamp tested miniature unipods light emitting diode luminescent substance hold circle.
2. the seasoned test unit of miniature unipods LED power according to claim 1, it is characterized in that: in described electric detection circuit, current-limiting resistance is 270 Ω resistance, diode maximum forward current value is 30mA, reverse voltage 5V, and diode forward forward voltage is 1.7V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133967.2U CN203849369U (en) | 2014-03-24 | 2014-03-24 | A miniature uni-foot light emitting diode power aging test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133967.2U CN203849369U (en) | 2014-03-24 | 2014-03-24 | A miniature uni-foot light emitting diode power aging test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849369U true CN203849369U (en) | 2014-09-24 |
Family
ID=51562369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420133967.2U Expired - Lifetime CN203849369U (en) | 2014-03-24 | 2014-03-24 | A miniature uni-foot light emitting diode power aging test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578256A (en) * | 2021-01-12 | 2021-03-30 | 东莞市庆文贸易有限公司 | Diode high temperature environment operating condition check out test set |
-
2014
- 2014-03-24 CN CN201420133967.2U patent/CN203849369U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578256A (en) * | 2021-01-12 | 2021-03-30 | 东莞市庆文贸易有限公司 | Diode high temperature environment operating condition check out test set |
| CN112578256B (en) * | 2021-01-12 | 2022-05-24 | 广东宝元通检测设备有限公司 | Diode high temperature environment operating condition check out test set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104052399A (en) | Device and method for estimating reliability of photovoltaic bypass diode | |
| CN203849369U (en) | A miniature uni-foot light emitting diode power aging test apparatus | |
| CN110118911B (en) | USBC cable test circuit | |
| CN204989379U (en) | Net twine survey line ware with pilot lamp | |
| CN102288864A (en) | Digital wire calibration instrument and wire calibration method by digital wire calibration instrument | |
| CN203396876U (en) | Fast cable calibration instrument | |
| CN205643583U (en) | Test wire rod detecting instrument | |
| CN104935061B (en) | Battery charge prompting circuit and lamps and lanterns | |
| CN104090222B (en) | A kind of original position multifunctional light electrical part probe tester | |
| CN208766256U (en) | Socket tester | |
| CN203825134U (en) | Device for detecting flat cable welding sequence of lithium battery protection board | |
| CN204228909U (en) | Unknown circuit mapping circuit and unknown circuit plotting board | |
| CN204925209U (en) | Portable multi -function multimeter | |
| CN203299348U (en) | Four-state level tester | |
| CN202600013U (en) | Novel multifunctional clamp meter dedicated to electric power | |
| CN203551733U (en) | Light emitting diode detection device | |
| CN202916372U (en) | Detection apparatus for lead storage battery | |
| CN207114686U (en) | A kind of rack direct current reserves the test fixture of line | |
| CN104267308A (en) | Fast detector for access circuit and open circuit | |
| CN206096326U (en) | Cable detection device | |
| CN205015435U (en) | Net twine survey line ware with buzzer | |
| CN203630297U (en) | Simple silicon controlled rectifier detection board | |
| CN208672755U (en) | A kind of COB test circuit structure | |
| CN111276080B (en) | Electronic equipment, LED nixie tube structure and reverse leakage current measuring method and device thereof | |
| CN210466368U (en) | DDR4SO-DIMM test diagnosis card |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
|
| CX01 | Expiry of patent term |