CN111830388B - Conduction test method of three-color LED - Google Patents
Conduction test method of three-color LED Download PDFInfo
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- CN111830388B CN111830388B CN202010729045.8A CN202010729045A CN111830388B CN 111830388 B CN111830388 B CN 111830388B CN 202010729045 A CN202010729045 A CN 202010729045A CN 111830388 B CN111830388 B CN 111830388B
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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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
- G01R31/2601—Apparatus or methods therefor
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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
- G01R31/44—Testing lamps
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Abstract
The invention provides a three-color LED (light emitting diode) conduction testing method, which comprises the following specific steps of: s1, placing an LED to be tested into a testing device and sending the LED to be tested into a testing system; s2, connecting a detection module with the testing device, sensing the state of the LED to be tested by the detection module, and sending the state to a receiving module; s3, the receiving module sends the state information of the LED to be tested to a storage module; s4, the storage module stores and feeds back information to the central control module, and the central control module analyzes whether the LED to be tested is normal or not; and S5, when the LED part to be tested is not conducted, analyzing the position with the problem by the central control module, and sending the test result to the intelligent terminal. According to the testing method, direct plugging and unplugging can be achieved through the testing device, the operation is convenient, the state of the LED to be tested is obtained through the detection module and then is sent to the central control module, whether the LED to be tested is normal or not is analyzed through the central control module and is fed back to the intelligent terminal, the LED to be tested does not need to be judged manually, and the testing method is convenient, rapid and cost-saving.
Description
Technical Field
The invention belongs to the technical field of LED test auxiliary equipment, and particularly relates to a conduction test method of a three-color LED.
Background
Nowadays, under the background of continuous development of modern social economy in China, the LED industry also obtains good development prospect, and the LED industry is widely applied to daily production and life of people at present. The LED lighting device mainly has the advantages that the LED lighting device can exert obvious advantages in the actual use process, the service life is long, and the use of energy can be reduced. In an LED illumination product, an LED lamp strip belongs to a very important component, the LED lamp strip is formed by connecting a plurality of LED light-emitting diodes, and the LED light-emitting diodes need to be tested before leaving a factory in order to ensure the product quality.
The three-color LED consists of two tube cores with different colors, and has common positive and common negative connection methods, so that the three-color LED is a scattered pin. Two colors are present when the two dies are each bright, and a color mixture when the two dies are bright together, so called a three-color LED. In the prior art, the detection of the three-color LED is complex, and the test efficiency is low.
Disclosure of Invention
In view of the above, the invention provides a conduction test method for a three-color LED, which can realize direct plugging and unplugging through a test device and is convenient to operate, the state of the LED to be tested is obtained through a detection module and then is sent to a central control module, the central control module analyzes whether the LED to be tested is normal or not and feeds back the state to an intelligent terminal, the LED to be tested does not need to be manually judged, and the method is convenient, rapid and cost-saving.
The technical scheme of the invention is as follows:
a conduction test method of a three-color LED comprises a test system, wherein the test system comprises a test device, a detection module, a receiving module, a storage module and a central control module, and the central control module is respectively connected with the detection module, the receiving module and the storage module; the method comprises the following specific steps:
s1, placing an LED to be tested into a testing device and sending the LED to be tested into a testing system;
s2, connecting a detection module with the testing device, sensing the state of the LED to be tested by the detection module, and sending the state to a receiving module;
s3, the receiving module sends the state information of the LED to be tested to a storage module;
s4, the storage module stores and feeds back information to the central control module, and the central control module analyzes whether the LED to be tested is normal or not;
and S5, when the LED part to be tested is not conducted, analyzing the position with the problem by the central control module, and sending the test result to the intelligent terminal.
Further, testing arrangement includes the test part, the test part is connected with the portion of holding, the test part includes the test piece, first via hole, second via hole, third via hole have been arranged in the test piece, be equipped with the holding tank in the portion of holding, the outer edge of holding tank is equipped with the region of switching on.
Further, the first via hole is a blue led positive hole for detecting the via of the blue led.
Further, the second via hole is a green led anode hole for detecting the conduction of the green led.
Further, the third via hole is a red led anode hole for detecting the conduction of the red led.
When the conductive connector is used, the first via hole, the second via hole and the third via hole are respectively in conductive connection.
Furthermore, the conducting area is a common cathode area, and during testing, the common cathode area is grounded.
Furthermore, the middle part of test portion is equipped with the mounting hole, be connected with clip portion on the mounting hole.
Furthermore, the clamping piece part is an elastic clamping piece part, and the LED can be fixed and detached.
Preferably, the clamping piece part is symmetrically arranged on two sides of the testing part, and the clamping piece part extends into the accommodating groove to fix the LED.
Further, the clamping piece portion comprises a connecting hole, and the connecting hole corresponds to the mounting hole. Preferably, the connecting hole is connected with the mounting hole through a bolt.
Through the setting of mounting hole, can set up the position of clip portion according to LED emitting diode's height, more be favorable to fixed LED emitting diode.
Furthermore, the tail end of the testing part is provided with a mounting groove. The mounting groove can be connected with the base, so that the overall stability of the detection process device can be ensured.
According to the invention, the LED is placed in the accommodating tank, the common cathode region is grounded by contacting with the conducting region at the outer edge of the accommodating tank, and the pins are respectively connected with the first conducting hole, the second conducting hole and the third conducting hole to realize conducting and lightening, so that the conducting condition of the four-pin three-color LED can be detected.
According to the invention, through the arrangement of the elastic clamping piece part, the LED can be inserted into and pulled out of the accommodating groove, so that the conduction test of the four-pin three-color LED can be realized, and the test efficiency is effectively improved.
According to the testing method, direct plugging and unplugging can be achieved through the testing device, the operation is convenient, the state of the LED to be tested is obtained through the detection module and then is sent to the central control module, whether the LED to be tested is normal or not is analyzed through the central control module and is fed back to the intelligent terminal, the LED to be tested does not need to be judged manually, and the testing method is convenient, rapid and cost-saving.
Drawings
FIG. 1 is a schematic diagram of a test system according to the present invention;
FIG. 2 is a schematic structural diagram of a testing device according to the present invention
FIG. 3 is a schematic view of a partial structure of the testing device of the present invention;
FIG. 4 is a schematic view of a clip portion of an embodiment of the testing device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A three-color LED conduction test method comprises a test system, wherein the test system comprises a test device 10, a detection module 20, a receiving module, a storage module 30 and a central control module 40, and the central control module is respectively connected with the detection module, the receiving module and the storage module; the method comprises the following specific steps:
s1, placing an LED to be tested into a testing device and sending the LED to be tested into a testing system;
s2, connecting a detection module with the testing device, sensing the state of the LED to be tested by the detection module, and sending the state to a receiving module;
s3, the receiving module sends the state information of the LED to be tested to a storage module;
s4, the storage module stores and feeds back information to the central control module, and the central control module analyzes whether the LED to be tested is normal or not;
and S5, when the LED part to be tested is not conducted, analyzing the position with the problem by the central control module, and sending the test result to the intelligent terminal 50.
Further, the testing device comprises a testing part 1, the testing part is connected with an accommodating part 2, the testing part comprises a testing block 11, a first via hole 111, a second via hole 112 and a third via hole 113 are distributed in the testing block, an accommodating groove 21 is arranged in the accommodating part, and a conducting area 22 is arranged on the outer edge of the accommodating groove.
Further, the first via hole is a blue led positive hole for detecting the via of the blue led.
Further, the second via hole is a green led anode hole for detecting the conduction of the green led.
Further, the third via hole is a red led anode hole for detecting the conduction of the red led.
When the conductive connector is used, the first via hole, the second via hole and the third via hole are respectively in conductive connection.
Furthermore, the conducting area is a common cathode area, and during testing, the common cathode area is grounded.
Preferably, the first via hole, the second via hole, the third via hole and the conducting area pass through respectively; the connecting wires are communicated.
Further, the middle part of test portion is equipped with mounting hole 12, be connected with clip portion 3 on the mounting hole.
Furthermore, the clip part is an elastic clip part, so that the LED can be fixed and detached.
Preferably, the clamping piece part is symmetrically arranged on two sides of the testing part, and the clamping piece part extends into the accommodating groove to fix the LED.
Further, the clip portion includes a connection hole 31, which is provided corresponding to the mounting hole. Preferably, the connecting hole is connected with the mounting hole through a bolt.
Through the setting of mounting hole, can set up the position of clip portion according to LED emitting diode's height, more be favorable to fixed LED emitting diode.
Further, the tail end of the testing part is provided with a mounting groove 13. The mounting groove can be connected with a base (not marked), and the overall stability of the device in the detection process can be ensured.
According to the invention, the LED is placed in the accommodating tank, the common cathode region is grounded by contacting with the conducting region at the outer edge of the accommodating tank, and the pins are respectively connected with the first conducting hole, the second conducting hole and the third conducting hole to realize conducting and lightening, so that the conducting condition of the four-pin three-color LED can be detected.
According to the invention, through the arrangement of the elastic clamping piece part, the LED can be inserted into and pulled out of the accommodating groove, so that the conduction test of the four-pin three-color LED can be realized, and the test efficiency is effectively improved.
According to the testing method, direct plugging and unplugging can be achieved through the testing device, the operation is convenient, the state of the LED to be tested is obtained through the detection module and then is sent to the central control module, whether the LED to be tested is normal or not is analyzed through the central control module and is fed back to the intelligent terminal, the LED to be tested does not need to be judged manually, and the testing method is convenient, rapid and cost-saving.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.
Claims (4)
1. A conduction test method of a three-color LED is characterized by comprising a test system, wherein the test system comprises a test device, a detection module, a receiving module, a storage module and a central control module, and the central control module is respectively connected with the detection module, the receiving module and the storage module; the method comprises the following specific steps:
s1, placing an LED to be tested into a testing device and sending the LED to be tested into a testing system;
s2, connecting a detection module with the testing device, sensing the state of the LED to be tested by the detection module, and sending the state to a receiving module;
s3, the receiving module sends the state information of the LED to be tested to a storage module;
s4, the storage module stores the information and feeds the information back to the central control module, and the central control module analyzes whether the LED to be detected is normal or not;
s5, when the LED part to be tested is not conducted, analyzing the position with the problem by the central control module, and sending a test result to the intelligent terminal;
the testing device comprises a testing part, the testing part is connected with an accommodating part, the testing part comprises a testing block, a first via hole, a second via hole and a third via hole are arranged in the testing block, an accommodating groove is arranged in the accommodating part, and a conducting area is arranged at the outer edge of the accommodating groove;
the first conducting hole is a blue light-emitting diode anode hole;
the second conducting hole is a green light emitting diode anode hole;
the third conducting hole is a red light-emitting diode anode hole;
the conducting region is a common cathode region;
the middle part of test portion is equipped with the mounting hole, be connected with the clip portion on the mounting hole.
2. The conduction testing method of a tricolor LED light emitting diode of claim 1, wherein the clip portion is an elastic clip portion.
3. The conduction testing method of the three-color LED light emitting diode according to claim 2, wherein the clip portion includes a connection hole, and the connection hole is provided corresponding to the mounting hole.
4. The conduction testing method of the tricolor LED according to claim 1, wherein the end of the testing part is provided with an installation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729045.8A CN111830388B (en) | 2020-07-27 | 2020-07-27 | Conduction test method of three-color LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729045.8A CN111830388B (en) | 2020-07-27 | 2020-07-27 | Conduction test method of three-color LED |
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| Publication Number | Publication Date |
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| CN111830388A CN111830388A (en) | 2020-10-27 |
| CN111830388B true CN111830388B (en) | 2022-12-09 |
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| CN202010729045.8A Active CN111830388B (en) | 2020-07-27 | 2020-07-27 | Conduction test method of three-color LED |
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| CN104678271A (en) * | 2013-11-30 | 2015-06-03 | 鸿富锦精密工业（深圳）有限公司 | LED (light emitting diode) test method and system |
| CN206074651U (en) * | 2016-09-26 | 2017-04-05 | 准鸿光电科技有限公司 | LED characteristic measurers |
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| CN109270421A (en) * | 2017-07-17 | 2019-01-25 | 深圳市炫硕智造技术有限公司 | LED test device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122509A (en) * | 2013-04-25 | 2014-10-29 | 朱高伟 | Light emitting lamp tube detecting device |
| CN105375213B (en) * | 2015-12-14 | 2018-12-04 | 芜湖文青机械设备设计有限公司 | LED aging tester socket |
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2020
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201583561U (en) * | 2009-12-31 | 2010-09-15 | 郑晓明 | Measuring clamp of side surface pin LED |
| KR101180970B1 (en) * | 2011-06-24 | 2012-09-07 | ㈜킴스옵텍 | Led fixing apparatus for emitting test |
| CN104678271A (en) * | 2013-11-30 | 2015-06-03 | 鸿富锦精密工业（深圳）有限公司 | LED (light emitting diode) test method and system |
| CN103983811A (en) * | 2014-05-23 | 2014-08-13 | 中国电子科技集团公司第十三研究所 | Three-color SMD LED device testing clamp |
| CN204214636U (en) * | 2014-09-30 | 2015-03-18 | 广州市鸿利光电股份有限公司 | A kind of LED measurement jig |
| CN206074651U (en) * | 2016-09-26 | 2017-04-05 | 准鸿光电科技有限公司 | LED characteristic measurers |
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| CN109270421A (en) * | 2017-07-17 | 2019-01-25 | 深圳市炫硕智造技术有限公司 | LED test device |
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