CN108983117A - A kind of LED light bar lights mechanism for testing - Google Patents
A kind of LED light bar lights mechanism for testing Download PDFInfo
- Publication number
- CN108983117A CN108983117A CN201810499659.4A CN201810499659A CN108983117A CN 108983117 A CN108983117 A CN 108983117A CN 201810499659 A CN201810499659 A CN 201810499659A CN 108983117 A CN108983117 A CN 108983117A
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- China
- Prior art keywords
- test cell
- testing
- group
- electroluminescent lamp
- die holder
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- 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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- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a kind of LED light bars to light mechanism for testing, circuit board including lower die and in lower die, it further include upper mold, filming apparatus above upper mold, parallel is furnished with several groups test cell on circuit board, every group of test cell includes multiple LED electroluminescent lamps, correspond to every group of test cell on circuit board and is equipped at least two contacts, contact includes being respectively arranged on the main contacts corresponded on the outside of the LED electroluminescent lamp of two sides in every group of test cell, upper mold includes upper die holder, correspond to positive probe and negative probe that every group of test cell is equipped with the conduction that is respectively used to be in contact with corresponding main contacts on upper die holder, it is worn on upper die holder and is fixed with several light guide sheets being arranged in a one-to-one correspondence with each LED electroluminescent lamp and the light source that LED electroluminescent lamp issues is directed at filming apparatus by light guide sheet.The present invention can simultaneously detect multiple groups test cell, promote detection efficiency, be not necessarily to manual hand manipulation in detection process, save time cost, detection accuracy is high.
Description
Technical field
The present invention relates to a kind of LED light bars to light mechanism for testing.
Background technique
In the process of manufacture of LED light bar, it usually needs carry out lighting test wrapper to the LED electroluminescent lamp on circuit board
Section, by detecting can LED electroluminescent lamp all normally be lighted to judge whether the outgoing of LED light bar is qualified.Existing skill
In art, LED light bar is usually detected one by one using two positive negative testing probes for being connected separately with power supply, it is positive to test probe connection electricity
The anode of road plate, negative testing probe connect the cathode of circuit board, observe the whether whole normal points of LED electroluminescent lamp in LED light bar
It is bright, but during actual test, detecting to LED light bar one by one can greatly limit detection efficiency, increase the time at
This, and detection accuracy is low.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of LED light bars to light mechanism for testing.
The technical scheme is that a kind of LED light bar lights mechanism for testing, including lower die and in the lower die
Circuit board further includes the upper mold being used in combination with the lower die and the filming apparatus above the upper mold, the electricity
Parallel is furnished with several groups test cell on the plate of road, and test cell described in every group includes multiple LED hairs being spaced laterally apart
Light lamp corresponds to every group of test cell on the circuit board and is equipped at least two contacts, the contact include be respectively arranged on it is every
The main contacts on the outside of the LED electroluminescent lamp of two sides is corresponded in group test cell, the upper mold includes upper die holder, corresponding on the upper die holder
Be equipped in every group of test cell and be respectively used to be in contact conductive positive probe and negative probe with corresponding main contacts, it is described on
It is worn on die holder and is fixed with several light guide sheets being arranged in a one-to-one correspondence with each LED electroluminescent lamp and will be described by the light guide sheet
The light source that LED electroluminescent lamp issues is directed at the filming apparatus.
Further, heretofore described contact further includes that be respectively arranged on any two in every group of test cell adjacent
Auxiliary contact between LED electroluminescent lamp.
Further, on heretofore described upper die holder correspond to every group of test cell be equipped with for corresponding auxiliary contact
Be in contact the conductive positive probe.
Further, each positive probe is by conductor in parallel to cathode power supply in the present invention, and each negative probe is by conducting wire
It is connected in parallel to negative power supply.
Further, each negative probe is ipsilateral in the present invention is distributed on the upper die holder.
Further, guiding mechanism is equipped between heretofore described upper die and lower die, the guiding mechanism includes being set to
Guide post on the upper die holder and it is opened in the pilot hole plugged in the lower die for the guide post.
Further, heretofore described guide post is fixed on the upper die holder by screw.
Further, the distance between two adjacent LEDs electroluminescent lamp in heretofore described test cell is equal.
Further, heretofore described filming apparatus is CCD camera.
Compared with the prior art, the present invention has the following advantages:
1) in the present invention, the upper die and lower die that particular design is used in combination can be to the multiple groups test cell on circuit board simultaneously
Detection, by the way that circuit board is mounted in lower die, when upper mold pushes, positive probe, the negative probe of particular design on upper die holder
Be in contact with two main contacts in each group test cell conduction respectively, so as to simultaneously to the LED in multiple groups test cell
Electroluminescent lamp, which be powered, lights test, greatly improves detection efficiency, the LED electroluminescent lamp lighted can utilize corresponding light guide sheet
The light source issued is directed at top, is captured by CCD camera and is shot and judged, so that detection accuracy is improved, testing result
It is relatively reliable, it is not necessarily to manual hand manipulation in this mechanism for testing detection process, greatlys save time cost.
2) in the present invention, the auxiliary contact designed in every group of test cell can carry out segmented detection to LED electroluminescent lamp,
So as in the detection process more intuitive and convenient observation LED electroluminescent lamp light on and off situation, be conducive to increase detection accuracy.
3) in the present invention, the guiding device designed between upper and lower mould can guarantee that LED electroluminescent lamp and light guide sheet are opposite up and down
Accuracy and contact and probe between precisely contact, to guarantee the steady operation of the mechanism for testing, improve detection essence
Degree.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is schematic perspective view of the invention (its middle probe, CCD camera are not drawn into)；
Fig. 2 is side sectional view (the wherein lines expression light between light guide sheet and CCD camera when the present invention is in running order
Line).
Wherein: 1, lower die；2, upper mold；21, upper die holder；3, circuit board；4, LED electroluminescent lamp；5, main contacts；6, anode is visited
Needle；7, negative probe；8, light guide sheet；9, auxiliary contact；10, guide post；11, pilot hole；12, screw；13, CCD camera；14, it leads
Line；15, cathode power supply；16, negative power supply.
Specific embodiment
Embodiment:
A kind of LED light bar of the present invention is shown in conjunction with attached drawing and lights the specific embodiment of mechanism for testing, firstly, including lower die 1
With the circuit board 3 being set in the lower die 1, parallel is furnished with 30 groups of test cells on the circuit board 3, tests described in every group
Unit includes 40 LED electroluminescent lamps 4 being spaced laterally apart, and the two adjacent LEDs in the test cell shine
The distance between lamp 4 is equal.
Correspond to every group of test cell on the circuit board 3 to be all provided with there are two main contacts 5 and three auxiliary contacts 9, as schemed institute
Show, correspond to any one group of test cell, two main contacts 5 are respectively arranged on the outside of corresponding two sides LED electroluminescent lamp 4, and every
An auxiliary contact 9 between two adjacent LEDs electroluminescent lamp 4 is then arranged in ten LED electroluminescent lamps 4.
Secondly, the mechanism for testing further include the upper mold 2 being used in combination with the lower die 1 and be set to the upper mold 2
The CCD camera 13 of top.The upper mold 2 includes upper die holder 21, corresponds to every group of test cell on the upper die holder 21 and is equipped with
It is respectively used to the positive probe 6 for being in contact with two main contacts 5 conductive and negative probe 7 and is respectively used to and three auxiliary touchings
Point 9 is in contact conductive positive probe 6, and 30 negative probes 7 are ipsilateral is distributed on the upper die holder 21.Such as Fig. 2 institute
Show, each positive probe 6 is connected in parallel to cathode power supply 15 by conducting wire 14, and each negative probe 7 is connected in parallel to negative power supply by conducting wire 14
16。
Further, several leaded lights for being fixed with and being arranged in a one-to-one correspondence with each LED electroluminescent lamp 4 are worn on the upper die holder 21
The light source that the LED electroluminescent lamp 4 issues simultaneously is directed at the CCD camera 13 by the light guide sheet 8 by piece 8.
In addition, being additionally provided with guiding mechanism between the upper mold 2 and lower die 1, the guiding mechanism includes being set to the upper mold
It four guide posts 10 on seat 21 and is opened in the lower die 1 and corresponds plug four for the guide post 10 and lead
To hole 11, each guide post 10 is fixed on the upper die holder 21 by screw 12 respectively, so as to guarantee LED electroluminescent lamp 4 with
Precisely contacting between the accuracy opposing upper and lower of light guide sheet 8 and contact and probe, and then guarantee the stabilization of the mechanism for testing
Work improves detection accuracy.
When the present embodiment specific works, circuit board 3 is mounted in lower die 1, when upper mold 2 pushes, guide post 10 is along leading
Moved to hole 11, the positive probe 6, negative probe 7 on upper die holder 21 respectively with two 5 phases of main contacts in each group test cell
Contact is conductive, lights test so as to be powered to the LED electroluminescent lamp 4 in multiple groups test cell simultaneously, greatly improves
Detection efficiency, meanwhile, the auxiliary contact 9 designed in every group of test cell can carry out segmented detection to LED electroluminescent lamp 4, from
And can in the detection process more intuitive and convenient observation LED electroluminescent lamp 4 light on and off situation, be conducive to increase detection accuracy,
The light source issued can be directed at top using corresponding light guide sheet 8 by the LED electroluminescent lamp 4 lighted, and captured and clapped by CCD camera 13
It takes the photograph and is judged, testing result is relatively reliable, and manual hand manipulation is not necessarily in this mechanism for testing detection process, is greatlyd save
Time cost.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique
People can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all according to this hair
The modification that the Spirit Essence of bright main technical schemes is done, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of LED light bar lights mechanism for testing, special including lower die (1) and the circuit board (3) being set on the lower die (1)
Sign is: further including the upper mold (2) being used in combination with the lower die (1) and the shooting being set to above the upper mold (2) dress
It sets, parallel is furnished with several groups test cell on the circuit board (3), and test cell described in every group includes multiple lateral separations
The LED electroluminescent lamp (4) of distribution corresponds to every group of test cell on the circuit board (3) and is equipped at least two contacts, the touching
Point includes being respectively arranged on the main contacts (5) corresponded on the outside of two sides LED electroluminescent lamp (4) in every group of test cell, upper mold (2) packet
It includes upper die holder (21), is equipped with and is respectively used to and corresponding main contacts (5) corresponding to every group of test cell on the upper die holder (21)
Be in contact conductive positive probe (6) and negative probe (7), wears and is fixed with and each LED electroluminescent lamp on the upper die holder (21)
(4) several light guide sheets (8) being arranged in a one-to-one correspondence and the light source for issuing the LED electroluminescent lamp (4) by the light guide sheet (8)
It is directed at the filming apparatus.
2. a kind of LED light bar according to claim 1 lights mechanism for testing, it is characterised in that: the contact further includes point
It She Yu not auxiliary contact (9) in every group of test cell between the adjacent LED electroluminescent lamp (4) of any two.
3. a kind of LED light bar according to claim 2 lights mechanism for testing, it is characterised in that: on the upper die holder (21)
The positive probe (6) for the conduction that is in contact with corresponding auxiliary contact (9) is equipped with corresponding to every group of test cell.
4. a kind of LED light bar according to claim 3 lights mechanism for testing, it is characterised in that: each positive probe (6) by
Conducting wire (14) is connected in parallel to cathode power supply (15), and each negative probe (7) is connected in parallel to negative power supply (16) by conducting wire (14).
5. a kind of LED light bar according to claim 1 lights mechanism for testing, it is characterised in that: each negative probe (7) is ipsilateral
It is distributed on the upper die holder (21).
6. a kind of LED light bar according to claim 1 lights mechanism for testing, it is characterised in that: the upper mold (2) and lower die
(1) guiding mechanism is equipped between, the guiding mechanism includes the guide post (10) on the upper die holder (21) and opens up
In the pilot hole (11) for supplying the guide post (10) to plug on the lower die (1).
7. a kind of LED light bar according to claim 6 lights mechanism for testing, it is characterised in that: the guide post (10) by
It is fixed on the upper die holder (21) by screw (12).
8. a kind of LED light bar according to claim 1 lights mechanism for testing, it is characterised in that: in the test cell
The distance between two adjacent LEDs electroluminescent lamp (4) is equal.
9. a kind of LED light bar according to claim 1 lights mechanism for testing, it is characterised in that: the filming apparatus is CCD
Camera (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499659.4A CN108983117A (en) | 2018-05-23 | 2018-05-23 | A kind of LED light bar lights mechanism for testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499659.4A CN108983117A (en) | 2018-05-23 | 2018-05-23 | A kind of LED light bar lights mechanism for testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108983117A true CN108983117A (en) | 2018-12-11 |
Family
ID=64542552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810499659.4A Pending CN108983117A (en) | 2018-05-23 | 2018-05-23 | A kind of LED light bar lights mechanism for testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108983117A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483890A (en) * | 2021-07-21 | 2021-10-08 | 深圳市微特精密科技股份有限公司 | High accuracy LED optical test module automated inspection equipment |
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| JP2014206649A (en) * | 2013-04-12 | 2014-10-30 | ライツ・アドバンスト・テクノロジー株式会社 | Light guide plate and method for manufacturing the same |
| CN105300666A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | LED lamp strip detection device and method |
| CN105353324A (en) * | 2015-11-30 | 2016-02-24 | 广东酷柏光电股份有限公司 | LED lamp bead detection device |
| CN206177553U (en) * | 2016-11-10 | 2017-05-17 | 江苏鸿佳电子科技有限公司 | Testing arrangement of LED lamp strip |
| CN207232354U (en) * | 2017-07-25 | 2018-04-13 | 深圳市旭晟半导体股份有限公司 | A kind of LED light board test device |
| CN208270743U (en) * | 2018-05-23 | 2018-12-21 | 苏州日和科技有限公司 | A kind of LED light bar lights mechanism for testing |
-
2018
- 2018-05-23 CN CN201810499659.4A patent/CN108983117A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014206649A (en) * | 2013-04-12 | 2014-10-30 | ライツ・アドバンスト・テクノロジー株式会社 | Light guide plate and method for manufacturing the same |
| CN203909189U (en) * | 2014-06-19 | 2014-10-29 | 浙江龙威电子科技有限公司 | LED lamp strip plate detection equipment |
| CN105300666A (en) * | 2015-11-05 | 2016-02-03 | 苏州威盛视信息科技有限公司 | LED lamp strip detection device and method |
| CN105353324A (en) * | 2015-11-30 | 2016-02-24 | 广东酷柏光电股份有限公司 | LED lamp bead detection device |
| CN206177553U (en) * | 2016-11-10 | 2017-05-17 | 江苏鸿佳电子科技有限公司 | Testing arrangement of LED lamp strip |
| CN207232354U (en) * | 2017-07-25 | 2018-04-13 | 深圳市旭晟半导体股份有限公司 | A kind of LED light board test device |
| CN208270743U (en) * | 2018-05-23 | 2018-12-21 | 苏州日和科技有限公司 | A kind of LED light bar lights mechanism for testing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483890A (en) * | 2021-07-21 | 2021-10-08 | 深圳市微特精密科技股份有限公司 | High accuracy LED optical test module automated inspection equipment |
| CN113483890B (en) * | 2021-07-21 | 2023-02-28 | 深圳市微特精密科技股份有限公司 | High accuracy LED optical test module automated inspection equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |