CN103645429A - 96 connection COB (chip on board) chip detector - Google Patents
96 connection COB (chip on board) chip detector Download PDFInfo
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- CN103645429A CN103645429A CN201310694310.3A CN201310694310A CN103645429A CN 103645429 A CN103645429 A CN 103645429A CN 201310694310 A CN201310694310 A CN 201310694310A CN 103645429 A CN103645429 A CN 103645429A
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Abstract
The invention discloses a 96 connection COB (chip on board) chip detector which comprises a machine frame, a circuit board installing casing and a circuit board. The 96 connection COB chip detector is characterized in that a bi-directional movable cylinder is fixedly arranged on the upper portion of the machine frame and connected with an air pump through an air pipe, the air pipe is provided with a reversing valve, a locating plate is fixedly arranged at the lower end of a piston of the bi-directional movable cylinder, a probe fixing plate is fixedly arranged at the lower end of the locating plate, a probe is fixedly arranged on the probe fixing plate, the circuit board installing casing is fixedly arranged on the machine frame, the circuit board is arranged in the circuit board installing casing, and the probe is connected with the circuit board through a wire. Compared with a COB chip testing mode, the 96 connection COB chip detector detects in one time and displays quality of 96 COB chips, saves times and labor, is high in efficiency and free of detection missing and guarantees quality of the COB chips.
Description
Technical field
The present invention relates to a kind of improvement of COB apparatus for testing chip, specifically a kind of 96 COB chip detectors.
Background technology
In the production run of COB chip, its operation mainly comprises die bond, welding, detection, brush coating.Wherein, detect to be exactly die bond, the chip that welded to carry out Performance Detection.Owing to thering are 96 pieces of COB chips on every pcb board to be measured in producing, staff can only detect 96 pieces of COB chips on every pcb board to be measured in turn by card reader, its weak point is: owing to once can only detecting one piece of COB chip by card reader, a pcb board to be measured just need to operate 96 times, take time and effort, efficiency is lower, and exists undetected phenomenon to occur.
Summary of the invention
The object of the present invention is to provide a kind of simple in structurely, easy to use, can accurately detect 96 COB chip detectors of 96 pieces of chips on a pcb board to be measured at every turn simultaneously.
In order to reach above object, the technical solution adopted in the present invention is: this 96 COB chip detector, comprise frame, circuit board holder housing and circuit board, it is characterized in that: on the top of frame, be fixed with bi-directional movable cylinder, bi-directional movable cylinder is connected with air pump by tracheae, on tracheae, be provided with reversal valve, piston lower end at bi-directional movable cylinder is fixed with location-plate, the lower end of location-plate is fixed with probe fixed head, on probe fixed head, be fixed with probe, in frame, be fixed with circuit board holder housing, circuit board is arranged in circuit board holder housing, probe is connected with circuit board by wire.
Described frame, consists of base, pillar and top board, and base and top board are fixed as one by pillar.
The front panel of described circuit board holder housing is provided with 96 pilot lamp, is made as 12 row 8 row.
Described probe consists of locating sleeve, spring and traveller, in the chamber of locating sleeve, is provided with spring, and insert in the mantle cavity of location the upper end of traveller, and locating sleeve is fixed on probe fixed head.
Described probe is provided with 96 pairs, be made as 12 row 8 row, every pair of probe is divided into a probe and No. two probes, the normally opened contact of the relay of arranging with corresponding row after 12 probe series connection of every row connects, the normally opened contact of the relay of arranging with corresponding row after 8 No. two probes series connection of every row connects, after the common port series connection of the relay of 8 row arrangements, be connected with terminals of an antenna, after the common port series connection of the relay of 12 row arrangements, be connected with another terminals of an antenna, after the positive pole of the pilot lamp of every row is in series with a resistor, connect power supply, the GPIO interface of LPC2478 master controller is respectively by the negative pole of wire and 96 pilot lamp, the control end of 20 relays connects, antenna and No. two antennas be the symmetrical top layer that is arranged on circuit board and bottom respectively, the antennal interface of FM1702SL high frequency read-write chip is connected with No. two antennas, the SPI interface of LPC2478 master controller is connected with the SPI interface of FM1702SL high frequency read-write chip, the UART interface of LPC2478 master controller is connected with computing machine.
On the GPIO interface of described LPC2478 master controller, be connected with start button, start button is arranged on circuit board holder housing.
Beneficial effect of the present invention is: compare with current COB chip testing mode, disposable detection also shows the quality of 96 pieces of COB chip qualities; Time saving and energy saving, efficiency is high, does not exist undetected phenomenon to occur, and has guaranteed COB chip quality.
Accompanying drawing explanation
Fig. 1 is that structure master of the present invention looks schematic diagram.
Fig. 2 is that schematic diagram is looked on the structure of the present invention right side.
Fig. 3 is circuit theory schematic diagram of the present invention.
Fig. 4 is that the structure of probe of the present invention is analysed and observe enlarged diagram.
In figure: 1, base; 2, pillar; 3, top board; 4, bi-directional movable cylinder; 5, tracheae; 6, guidepost; 7, location-plate; 8, probe fixed head; 9, probe; 91, locating sleeve; 92, spring; 93, traveller; 10, circuit board holder housing; 11, pilot lamp; 12, reversal valve; 13, pcb board to be measured; 14, relay; 15, an antenna; 16, No. two antennas; 17, FM1702SL high frequency read-write chip; 18, LPC2478 master controller; 19, start button.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, make the present invention.This 96 COB chip detector, comprise frame, circuit board holder housing 10 and circuit board, it is characterized in that: on the top of frame, be fixed with bi-directional movable cylinder 4, bi-directional movable cylinder 4 is connected with air pump by tracheae 5, on tracheae 5, be provided with reversal valve 12, by adjustable change valve 12, the piston of bi-directional movable cylinder 4 is moved up and down, piston lower end at bi-directional movable cylinder 4 is fixed with location-plate 7, the lower end of location-plate 7 is fixed with probe fixed head 8, on probe fixed head 8, be fixed with probe 9, in frame, be fixed with circuit board holder housing 10, circuit board is arranged in circuit board holder housing 10, probe 9 is connected with circuit board by wire.
Described frame, by base 1, pillar 2 and top board 3, formed, base 1 and top board 3 are fixed as one by pillar 2, pcb board 13 to be measured is placed on the top panel of base 1, be positioned at probe 9 under, when probe 9 moves down, can contact with the corresponding COB chip on pcb board 13 to be measured, thereby detect COB chip.
The front panel of described circuit board holder housing 10 is provided with 96 pilot lamp 11, be made as 12 row 8 row, 96 pilot lamp 11 are corresponding with the position of 96 COB chips on pcb board 13 to be measured, like this, when COB chip being detected, corresponding pilot lamp 11 will show, operating personnel will judge the quality of COB chip.
Described probe 9 consists of locating sleeve 91, spring 92 and traveller 93, is provided with spring 92 in the chamber of locating sleeve 91, and insert in locating sleeve 91 chambeies the upper end of traveller 93, and locating sleeve 91 is fixed on probe fixed head 8.
Described probe 9 is provided with 96 pairs, corresponding with 96 COB chips on pcb board 13 to be measured, be made as 12 row 8 row, owing to there being two test contact points on each COB chip, every pair of probe 9 contacts with two test contact points on each COB chip respectively, every pair of probe 9 is divided into a probe and No. two probes, like this, every row just has 8 probes and 8 No. two probes, every row just have 12 probes and 12 No. two probes, the normally opened contact of the relay 14 of arranging with corresponding row after 12 probe series connection of every row connects, the relay 14 that so just has 8 row to arrange, the normally opened contact of the relay 14 of arranging with corresponding row after 8 No. two probes series connection of every row connects, the relay 14 that so just has 12 row to arrange, after the common port series connection of the relay 14 of 8 row arrangements, be connected with terminals of an antenna 15, after the common port series connection of the relay 14 of 12 row arrangements, be connected with another terminals of an antenna 15, after the positive pole of the pilot lamp 11 of every row is in series with a resistor, connect power supply, the GPIO interface of LPC2478 master controller 18 is respectively by the negative pole of wire and 96 pilot lamp 11, the control end of 20 relays 14 connects, antenna 15 and No. two antennas 16 be the symmetrical top layer that is arranged on circuit board and bottom respectively, the antennal interface of FM1702SL high frequency read-write chip 17 is connected with No. two antennas 16, the SPI interface of LPC2478 master controller 18 is connected with the SPI interface of FM1702SL high frequency read-write chip 17, the UART interface of LPC2478 master controller 18 is connected with computing machine.
On the GPIO interface of described LPC2478 master controller 18, be connected with start button 19, start button 19 is arranged on circuit board holder housing 10.
When use is of the present invention, first the pcb board to be measured 13 with 96 pieces of COB chips is put on base 1, rotate reversal valve 12, the piston of bi-directional movable cylinder 4 presses down, and makes 96 pairs of probes 9 touch each self-corresponding COB chip testing district, now click start button 19, LPC2478 master controller 18 detects pressing after action of start button 19 by GPIO interface, LPC2478 master controller 18 starts poll and detects COB chip, first LPC2478 master controller 18 is by GPIO interface pilot relay 14, first make relay R e1 and the 1st relay R e 9 closures that row are arranged of the 1st row arrangement of relay 14, select the 1st couple of probe T1-1 of the 1st row, selected the 1st COB chip of the 1st row of pcb board 13 to be measured to be connected with an antenna 15, then LPC2478 master controller 18 is controlled FM1702SL high frequency read-write chip 17 by SPI interface, complete the test to the 1st of the 1st row the COB chip, test so successively the 2nd COB chip of the 1st row, the 3rd COB chip of the 1st row ... the 12nd the 8th of row COB chip, completes the test to 96 COB chips like this.LPC2478 master controller 18 is controlled pilot lamp 11 by GPIO interface and is shown result, if first COB chip of the first row is bad, first pilot lamp of the first row of pilot lamp 11 is bright state, otherwise first pilot lamp of the first row is the state extinguishing, and successively the test result of all 96 COB chips is shown on corresponding pilot lamp.LPC2478 master controller 18 uploads to PC by UART interface by the test result of 96 COB chips, can on PC, show test results.
Claims (6)
1.96 COB chip detectors, comprise frame, circuit board holder housing (10) and circuit board, it is characterized in that: on the top of frame, be fixed with bi-directional movable cylinder (4), bi-directional movable cylinder (4) is connected with air pump by tracheae (5), on tracheae (5), be provided with reversal valve (12), in the piston lower end of bi-directional movable cylinder (4), be fixed with location-plate (7), the lower end of location-plate (7) is fixed with probe fixed head (8), on probe fixed head (8), be fixed with probe (9), in frame, be fixed with circuit board holder housing (10), circuit board is arranged in circuit board holder housing (10), probe (9) is connected with circuit board by wire.
2. 96 COB chip detectors according to claim 1, is characterized in that: described frame, by base (1), pillar (2) and top board (3) formation, base (1) and top board (3) are fixed as one by pillar (2).
3. 96 COB chip detectors according to claim 1, is characterized in that: the front panel of described circuit board holder housing (10) is provided with 96 pilot lamp (11), are made as 12 row 8 row.
4. 96 COB chip detectors according to claim 1, it is characterized in that: described probe (9) consists of locating sleeve (91), spring (92) and traveller (93), in the chamber of locating sleeve (91), be provided with spring (92), insert in locating sleeve (91) chamber the upper end of traveller (93), and locating sleeve (91) is fixed on probe fixed head (8).
5. according to 96 COB chip detectors described in claim 1 or 4, it is characterized in that: described probe (9) is provided with 96 pairs, be made as 12 row 8 row, every pair of probe (9) is divided into a probe and No. two probes, the normally opened contact of the relay (14) of arranging with corresponding row after 12 probe series connection of every row connects, the normally opened contact of the relay (14) of arranging with corresponding row after 8 No. two probes series connection of every row connects, after the common port series connection of the relay (14) of 8 row arrangements, be connected with terminals of an antenna (15), after the common port series connection of the relay (14) of 12 row arrangements, be connected with another terminals of an antenna (15), after the positive pole of the pilot lamp of every row (11) is in series with a resistor, connect power supply, the GPIO interface of LPC2478 master controller (18) is respectively by the negative pole of wire and 96 pilot lamp (11), the control end of 20 relays (14) connects, an antenna (15) and No. two antennas (16) are the top layer that is arranged on circuit board and the bottom of symmetry respectively, the antennal interface of FM1702SL high frequency read-write chip (17) is connected with No. two antennas (16), the SPI interface of LPC2478 master controller (18) is connected with the SPI interface of FM1702SL high frequency read-write chip (17).
6. 96 COB chip detectors according to claim 5, is characterized in that: on the GPIO interface of described LPC2478 master controller (18), be connected with start button (19), start button (19) is arranged on circuit board holder housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694310.3A CN103645429B (en) | 2013-12-18 | 2013-12-18 | 96 COB chip detectors |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310694310.3A CN103645429B (en) | 2013-12-18 | 2013-12-18 | 96 COB chip detectors |
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| CN103645429A true CN103645429A (en) | 2014-03-19 |
| CN103645429B CN103645429B (en) | 2016-03-30 |
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| CN201310694310.3A Active CN103645429B (en) | 2013-12-18 | 2013-12-18 | 96 COB chip detectors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880585A (en) * | 2015-05-12 | 2015-09-02 | 厦门多彩光电子科技有限公司 | Test probe |
| CN105510650A (en) * | 2015-11-30 | 2016-04-20 | 广东长盈精密技术有限公司 | Probe and testing device comprising same |
| CN105842557A (en) * | 2016-03-21 | 2016-08-10 | 深圳市小智勇机器人有限公司 | Illumination tool having detection function |
| CN106093754A (en) * | 2016-08-07 | 2016-11-09 | 艾和美 | A kind of modularity detection device of automatic detection circuit plate quality |
| CN106899871A (en) * | 2017-03-08 | 2017-06-27 | 深圳市晓控通信科技有限公司 | A kind of Intelligent Digital video transformation box based on Internet of Things |
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| JPH03171749A (en) * | 1989-11-30 | 1991-07-25 | Toshiba Corp | Probe card and semiconductor testing device |
| CN101498759A (en) * | 2009-03-19 | 2009-08-05 | 安徽天元电子科技有限公司 | Test tools |
| CN201749132U (en) * | 2010-03-18 | 2011-02-16 | 深圳市瑞必达电源有限公司 | Test fixture |
| CN203630298U (en) * | 2013-12-18 | 2014-06-04 | 山东华冠智能卡有限公司 | 96-combination COB chip detector |
-
2013
- 2013-12-18 CN CN201310694310.3A patent/CN103645429B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03171749A (en) * | 1989-11-30 | 1991-07-25 | Toshiba Corp | Probe card and semiconductor testing device |
| CN101498759A (en) * | 2009-03-19 | 2009-08-05 | 安徽天元电子科技有限公司 | Test tools |
| CN201749132U (en) * | 2010-03-18 | 2011-02-16 | 深圳市瑞必达电源有限公司 | Test fixture |
| CN203630298U (en) * | 2013-12-18 | 2014-06-04 | 山东华冠智能卡有限公司 | 96-combination COB chip detector |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880585A (en) * | 2015-05-12 | 2015-09-02 | 厦门多彩光电子科技有限公司 | Test probe |
| CN105510650A (en) * | 2015-11-30 | 2016-04-20 | 广东长盈精密技术有限公司 | Probe and testing device comprising same |
| CN105842557A (en) * | 2016-03-21 | 2016-08-10 | 深圳市小智勇机器人有限公司 | Illumination tool having detection function |
| CN106093754A (en) * | 2016-08-07 | 2016-11-09 | 艾和美 | A kind of modularity detection device of automatic detection circuit plate quality |
| CN106093754B (en) * | 2016-08-07 | 2018-07-13 | 艾和美 | A kind of modularization detection device of automatic detection circuit plate quality |
| CN106899871A (en) * | 2017-03-08 | 2017-06-27 | 深圳市晓控通信科技有限公司 | A kind of Intelligent Digital video transformation box based on Internet of Things |
| CN106899871B (en) * | 2017-03-08 | 2019-11-22 | 广州市奥视电子有限公司 | A kind of Intelligent Digital video transformation box based on Internet of Things |
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|---|---|
| CN103645429B (en) | 2016-03-30 |
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Inventor after: Liu Chuning Inventor after: Sun Shifang Inventor after: Liu Zhenyu Inventor after: Chen Shaohua Inventor after: Qi Xiuyong Inventor after: Wang Xujin Inventor after: Ma Youming Inventor after: Lv Zhenguo Inventor after: Liu Jin Inventor after: Li Junde Inventor before: Liu Zhenyu Inventor before: Chen Shaohua Inventor before: Qi Xiuyong Inventor before: Wang Xujin Inventor before: Ma Youming Inventor before: Lv Zhenguo Inventor before: Liu Jin Inventor before: Li Junde Inventor before: Sun Shifang |
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