CN107748322A - A kind of screen detects structure - Google Patents
A kind of screen detects structure Download PDFInfo
- Publication number
- CN107748322A CN107748322A CN201711135930.8A CN201711135930A CN107748322A CN 107748322 A CN107748322 A CN 107748322A CN 201711135930 A CN201711135930 A CN 201711135930A CN 107748322 A CN107748322 A CN 107748322A
- Authority
- CN
- China
- Prior art keywords
- screen
- circuit board
- probe
- support plate
- detection circuit
- 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.)
- Pending
Links
- 239000000523 sample Substances 0.000 claims abstract description 58
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000007689 inspection Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2886—Features relating to contacting the IC under test, e.g. probe heads; chucks
- G01R31/2887—Features relating to contacting the IC under test, e.g. probe heads; chucks involving moving the probe head or the IC under test; docking stations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention relates to screen manufacturing technology field, a kind of screen detection structure, including control unit is disclosed, for record and processing data；Circuit board is detected, is electrically connected to control unit；Probe assembly, is arranged at the top of the detection circuit board, and screen to be detected passes through the probe assembly and the detection circuit board electrical connection；Described control unit, the detection circuit board, the probe assembly and the screen to be detected form open loop detecting and controlling system.The present invention solve it is existing detection screen detection technique operating efficiency it is low, to electric circuit inspection not comprehensively, accuracy is low error-prone the problem of.
Description
Technical field
The present invention relates to screen manufacturing technology field, more particularly to a kind of screen detection structure.
Background technology
The integrated circuit set on the screen module bottom plate of touch-screen, will enter line integrated circuit before touch-screen dispatches from the factory
Test, it is usually that the artificial screen connector using the interface and touch-screen to be detected that detect circuit board is attached, afterwards
Touched again by point manually on the touchscreen, the tactile fluency of test point judges whether it is qualified products, and the data of test are entered
It is analyzed and summarized after row record.The operating efficiency of such a mode is low, and puts tactile mode and be easily caused detection to integrated circuit
Not comprehensively, accuracy of detection is low, error-prone.
Detected after installation relatively comprehensively, if but failure product, it is also possible to cause assembling part needs
Again dismantle, increase workload, reduce production efficiency.
The content of the invention
It is an object of the invention to provide a kind of screen to detect structure, for solving existing detection screen detection technique work
Efficiency is low, to electric circuit inspection not comprehensively, accuracy is low error-prone the problem of.
To use following technical scheme up to this purpose, the present invention：
A kind of screen detection structure, including control unit are provided, for record and processing data；Circuit board is detected, is electrically connected
It is connected to described control unit；Probe assembly, is arranged at the top of the detection circuit board, and screen to be detected passes through the probe groups
Part and the detection circuit board electrical connection；Described control unit, the detection circuit board, the probe assembly and described to be detected
Screen forms open loop detecting and controlling system.
Further, screen connector is provided with the screen to be detected, the probe assembly includes needle plate, is arranged at
On the detection circuit board；Support plate, is provided with elastic component between the support plate and the needle plate, the screen connector is arranged at
On the support plate；Probe, positioned at the detection circuit board, one end of the probe and the detection circuit board contacts, institute
The other end for stating probe is electrically connected by the through hole on the support plate with the screen connector.
Further, a surface of the needle plate is provided with the first trench structure, and the elastic component and the support plate are set
It is placed in first trench structure.
Further, at least one shop bolt is provided between the support plate and the needle plate.
Further, the probe assembly also includes protection board, and another surface of the needle plate is provided with the second groove
Structure, the protection board are arranged in second groove structure, and one end of the probe passes through the protection board and the inspection
Slowdown monitoring circuit plate contacts.
Further, in addition to joint, the joint are connected on the needle plate, are provided with the needle plate and the first groove
The air vent channel of type fabric connectivity.
Further, locating slot, the unilateral setting of the screen connector and the locating slot are provided with the support plate
There is gap.
Further, the shop bolt coordinates with the support plate gap, gap width 0-0.04mm.
Further, the probe uses pawl head probe.
Further, the support plate is made up of nonmetallic wear-resistant material.
Beneficial effects of the present invention：
1st, by way of screen detection structure can be realized using probe contact screen connector PIN points, produce
High-accuracy workpiece is assembled into screen detection structure with probe, it is reached and has been coordinated under the semi-automatic control of simplicity
Into the purpose of screen test.
2nd, real connector interface technology, the port with screen module connector to be detected are simulated using probe assembly
(i.e. screen connector) is connected, then the parameters of the detection screen of special test program with control unit, and will survey
Examination data and running status carry out analysis preservation, to reach the purpose for completing screen test.
3rd, control support plate to move by control unit, semi-automatic motion is realized, so as to solve the behaviour of manual test
Work is complicated, speed is slow, accuracy is low, easy error, and manual operation can not carry out the detection operation of complexity, can not more realize
The shortcomings that production automation.
Brief description of the drawings
Fig. 1 is the top view of the screen detection structure of the present invention；
Fig. 2 is Fig. 1 of present invention A-A to sectional view；
Fig. 3 is schematic enlarged-scale view at Fig. 2 of present invention I；
Fig. 4 is the explosive view of an angle of the screen detection structure of the present invention；
Fig. 5 is that an angled arrangement of the screen detection structure (not including detection circuit board, joint, probe) of the present invention shows
It is intended to.
In figure：
1st, circuit board is detected；
2nd, probe assembly；21st, needle plate；211st, the first trench structure；212nd, the second groove structure；213rd, air vent channel；22、
Support plate；221. through hole；222nd, locating slot；23rd, elastic component；24th, probe；25th, shop bolt；26th, protection board；
3rd, screen detection tabs；
4th, joint.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
As depicted in figs. 1 and 2, a kind of screen detection structure, including control unit, detection circuit are provided in the present embodiment
Plate 1 and probe assembly 2, control unit is used to record and processing data；Detection circuit board 1 is electrically connected to control unit；Probe groups
Part 2 is arranged at the top of detection circuit board 1, and screen to be detected is electrically connected by probe assembly 2 with detection circuit board 1；Control is single
Member, detection circuit board 1, probe assembly 2 and screen to be detected form open loop detecting and controlling system.
Specifically, as shown in Figure 3 and Figure 4, screen connector 3 is provided with screen to be detected, probe assembly 2 includes needle plate
21st, support plate 22, elastic component 23 and probe 24, needle plate 21 are arranged on detection circuit board 1, are provided between support plate 22 and needle plate 21
Elastic component 23, screen connector 3 are arranged on support plate 22；Probe 24 is positioned at the top of detection circuit board 1, one end of probe 24 and inspection
Slowdown monitoring circuit plate 1 is contacted, and the other end of probe 24 is electrically connected by the through hole 221 on support plate 22 with screen connector 3.Support plate 22 to
Lower motion, by cylinder support plate 22 can be promoted to move, can also be realized by other dynamic structures, preferably using cylinder
Power is provided for the motion of support plate.Further preferred scheme, support plate 22 are made up of nonmetallic wear resistant nylon material, ensure that load
Plate 22 can use for a long time, wear-resistant.
As further concrete scheme, screen connector 3 is arranged in the locating slot 222 set on support plate 22, screen
Connector 3 is provided with gap with the unilateral of locating slot 222.The purpose for setting gap width is to ensure that screen connector 3 can and be visited
When pin 24 contacts, the positioning and dismounting of screen connector 3 can be facilitated, screen connector 3 can also be avoided in locating slot 222
Scratch is produced, avoids causing the screen connector 3 of detection outward appearance destruction or structure to destroy.
Real connector interface technology, the end with screen module (screen i.e. to be detected) connector are simulated using probe
Mouth (i.e. screen connector 3) is connected.And post sensing on the flexible circuit board of screen module (screen i.e. to be detected) bottom plate
Integrated circuit, the corresponding register in each piece of region, integrated circuit, bottom loading are connected to using specific screen detection structure
Platform (not shown) sends fixed frequency by connecting line, and bottom article carrying platform (not shown) is to be used to support screen
Curtain detection structure, then the special test journey that this test equipment is tested with control unit (i.e. control panel and host adapter)
Sequence can be used for detecting the parameters in screen module bottom plate, and test data and board running status are sent into PC point
Analysis preserves, and coordinates the purpose for completing mobile phone test to reach.The transmission of gas circuit, cylinder (not shown) are controlled by control panel
Drive support plate 22 to move, produce semi-automatic platform.So as to solve, the complex operation of manual test, speed are slow, accuracy is low, hold
It is error-prone, and the operation of compound action can not be carried out, it can not more realize the shortcomings of production automation.Utilize the touch screen of probe 24
The mode of curtain connector PIN points, produce high-accuracy workpiece and be assembled into screen detection structure with probe.Make it in simplicity
Under semi-automatic control, coordinate the purpose completed to screen to be detected test to reach.
Probe 24 in the present embodiment uses pawl head probe, in order to matches with screen connector 3, meets test
Need, ensure that pawl head probe is preferably pricked in the test point of screen connector 3, while overall structure size can be made smaller,
Small volume.
As shown in figure 3, the probe assembly 2 in the present embodiment also includes protection board 26, another surface of needle plate 21 is set
Have the second groove structure 212, protection board 26 is arranged in the second groove structure 212, one end of probe 24 through protection board 26 with
Detection circuit board 1 contacts.The probe through hole of matching relative with the diameter for detecting circuit board 1 is provided with protection board 26 (in figure not
Show), because of pawl head probe self structure longer dimension, in order to avoid in the course of the work, in order to which preventing claw head probe rocks, no
It can accurately insert in screen connector 3, pawl head probe is damaged in detection process, so pawl head probe is passed through into protection
The probe through hole of plate 26 is set, and pawl head probe is protected close to one end of detection circuit board 1, and pawl head probe is played surely
Solid effect.
Specifically, as shown in figure 3, the upper surface of needle plate 21 is provided with the first trench structure 211, elastic component 23 and support plate 22
It is arranged in the first trench structure 211, above-mentioned elastic component 23 can be that elastomeric material is made or is spring.Preferably, above-mentioned bullet
Property part 23 is spring, and as shown in figure 4, two shop bolts 25 is provided between support plate 22 and needle plate 21.As further
Prioritization scheme, shop bolt 25 coordinate with the gap of support plate 22, gap width 0-0.04mm.When 21 downward compression spring of needle plate,
Pin 25 plays guide effect to needle plate 21, and guiding needle plate moves vertically about 21.
As shown in Figure 4 and Figure 5, joint 4 is also included in the present embodiment, joint 4 is connected on needle plate 21, is set in needle plate 21
There is the air vent channel 213 connected with the first trench structure 211.Above-mentioned air vent channel 213 is arranged in needle plate 21, above-mentioned joint 4
For negative pressure crossover sub, air is passed through negative pressure by joint 4 by being changed into negative pressure after joint 4 into the first trench structure 211
Gas, it is therefore an objective to when support plate 22 moves downwardly together with screen connector 3 to be contacted with pawl head probe, connect screen to be detected
Joint 3 can be contacted preferably with pawl head probe.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of screen detects structure, it is characterised in that including
Control unit, for record and processing data；
Circuit board (1) is detected, is electrically connected to described control unit；
Probe assembly (2), be arranged at it is described detection circuit board (1) top, screen to be detected by the probe assembly (2) with
Detection circuit board (1) electrical connection；
Described control unit, the detection circuit board (1), the probe assembly (2) and the screen to be detected form open loop inspection
Survey control system.
2. screen according to claim 1 detects structure, it is characterised in that screen company is provided with the screen to be detected
Joint (3), the probe assembly (2) include
Needle plate (21), it is arranged on the detection circuit board (1)；
Support plate (22), elastic component (23), the screen connector (3) are provided between the support plate (22) and the needle plate (21)
It is arranged on the support plate (22)；
Probe (24), above the detection circuit board (1), one end of the probe (24) and the detection circuit board (1)
Contact, the other end of the probe (24) pass through the through hole (221) on the support plate (22) and the screen connector (3)
Electrical connection.
3. screen according to claim 2 detects structure, it is characterised in that a surface of the needle plate (21) is provided with
First trench structure (211), the elastic component (23) and the support plate (22) are arranged in first trench structure (211).
4. screen according to claim 2 detects structure, it is characterised in that the support plate (22) and the needle plate (21) it
Between be provided with least one shop bolt (25).
5. screen according to claim 2 detects structure, it is characterised in that the probe assembly (2) also includes protection board
(26), another surface of the needle plate (21) is provided with the second groove structure (212), and the protection board (26) is arranged at described
In second groove structure (212), one end of the probe (24) connects through the protection board (26) and the detection circuit board (1)
Touch.
6. screen according to claim 2 detects structure, it is characterised in that also including joint (4), the joint (4) is even
It is connected on the needle plate (21), the air vent channel connected with the first trench structure (211) is provided with the needle plate (21)
(213)。
7. screen according to claim 2 detects structure, it is characterised in that is provided with locating slot on the support plate (22)
(222), the screen connector (3) is provided with gap with the unilateral of the locating slot (222).
8. screen according to claim 4 detects structure, it is characterised in that the shop bolt (25) and the support plate
(22) gap coordinates, gap width 0-0.04mm.
9. screen according to claim 2 detects structure, it is characterised in that the probe (24) uses pawl head probe.
10. screen according to claim 2 detects structure, it is characterised in that the support plate (22) is by nonmetallic wear-resisting material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135930.8A CN107748322A (en) | 2017-11-16 | 2017-11-16 | A kind of screen detects structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135930.8A CN107748322A (en) | 2017-11-16 | 2017-11-16 | A kind of screen detects structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107748322A true CN107748322A (en) | 2018-03-02 |
Family
ID=61251267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711135930.8A Pending CN107748322A (en) | 2017-11-16 | 2017-11-16 | A kind of screen detects structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107748322A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983010A (en) * | 2018-09-19 | 2018-12-11 | 昆山迈致治具科技有限公司 | A kind of testing touch screen machine |
| CN110940540A (en) * | 2019-12-25 | 2020-03-31 | 厦门弘信电子科技股份有限公司 | Test and mark integrated jig |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063959A (en) * | 2012-12-29 | 2013-04-24 | 北京德天泉机电设备有限公司 | Bed-of-nails tool for detecting circuit board |
| CN203929808U (en) * | 2013-12-06 | 2014-11-05 | 珠海市运泰利自动化设备有限公司 | A kind of interconnecting module |
| CN105127108A (en) * | 2015-09-21 | 2015-12-09 | 昆山迈致治具科技有限公司 | Mobile phone screen flexible circuit board testing equipment |
| CN105203807A (en) * | 2015-09-15 | 2015-12-30 | 京东方科技集团股份有限公司 | Electric inspection jig and electric inspection method |
| CN207516505U (en) * | 2017-11-16 | 2018-06-19 | 昆山迈致治具科技有限公司 | A kind of screen detection structure |
-
2017
- 2017-11-16 CN CN201711135930.8A patent/CN107748322A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063959A (en) * | 2012-12-29 | 2013-04-24 | 北京德天泉机电设备有限公司 | Bed-of-nails tool for detecting circuit board |
| CN203929808U (en) * | 2013-12-06 | 2014-11-05 | 珠海市运泰利自动化设备有限公司 | A kind of interconnecting module |
| CN105203807A (en) * | 2015-09-15 | 2015-12-30 | 京东方科技集团股份有限公司 | Electric inspection jig and electric inspection method |
| CN105127108A (en) * | 2015-09-21 | 2015-12-09 | 昆山迈致治具科技有限公司 | Mobile phone screen flexible circuit board testing equipment |
| CN207516505U (en) * | 2017-11-16 | 2018-06-19 | 昆山迈致治具科技有限公司 | A kind of screen detection structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983010A (en) * | 2018-09-19 | 2018-12-11 | 昆山迈致治具科技有限公司 | A kind of testing touch screen machine |
| CN108983010B (en) * | 2018-09-19 | 2024-06-11 | 昆山迈致治具科技有限公司 | Touch screen testing machine |
| CN110940540A (en) * | 2019-12-25 | 2020-03-31 | 厦门弘信电子科技股份有限公司 | Test and mark integrated jig |
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