CN106771980A - A kind of flexible circuit board detecting device and detection method - Google Patents
A kind of flexible circuit board detecting device and detection method Download PDFInfo
- Publication number
- CN106771980A CN106771980A CN201710029416.XA CN201710029416A CN106771980A CN 106771980 A CN106771980 A CN 106771980A CN 201710029416 A CN201710029416 A CN 201710029416A CN 106771980 A CN106771980 A CN 106771980A
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- China
- Prior art keywords
- circuit board
- flexible circuit
- detecting device
- board detecting
- detection
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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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Classifications
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2812—Checking for open circuits or shorts, e.g. solder bridges; Testing conductivity, resistivity or impedance
Abstract
The present invention discloses a kind of flexible circuit board detecting device and detection method, is related to flexible PCB manufacturing technology field, to solve the problems, such as that prior art easily causes damage in the circuit on-off test process to flexible PCB to FPC golden fingers.The flexible circuit board detecting device includes：Fixed cell, adapter unit and detection unit, one end of detection unit are connected with fixed cell, and the other end of detection unit is connected with adapter unit；Fixed cell is provided with the first detection mouth being connected with first interface；Adapter unit is provided with the second detection mouth being connected with second interface；Detection unit is used to detect FPC golden fingers with the break-make of corresponding lead.The flexible circuit board detecting method includes the flexible circuit board detecting device that above-mentioned technical proposal is carried.The flexible circuit board detecting device and detection method that the present invention is provided are used for wireline inspection.
Description
Technical field
The present invention relates to flexible PCB manufacturing technology field, more particularly to a kind of flexible circuit board detecting device and detection
Method.
Background technology
Flexible PCB (Flexible Printed Circuit, be abbreviated as FPC) is that one kind has height reliability, absolutely
Good flexible printed circuit, it is made up with polyimides or polyester film of base material, with Distribution density it is high, lightweight,
The characteristics of thickness of thin, it is mainly used in the electronic products such as mobile phone, notebook computer, it is possible to increase the space availability ratio of product, with
The application for FPC is more and more extensive, and in order to ensure the product quality of FPC, the test of FPC circuit on-offs is particularly important.
In the prior art, method of the FPC circuit on-offs test usually using detecting manually, specifically, FPC is passed through into FPC
Pinboard is connected with the main frame of computer, is then slided successively on FPC golden fingers with finger, checks that each FPC golden finger is produced
Sensing amount whether change, if there occurs change, show that the FPC golden finger circuits are normal；If being not changed in, table
The circuit exception of the bright FPC golden fingers, after the circuit exception of FPC golden fingers is detected, must continue to judge using universal meter
The FPC golden fingers are short circuit or open circuit, it is seen then that not only efficiency is low for the method for detection FPC circuit on-offs in the prior art, and
During being slided on FPC golden fingers using finger, the accidental injury of FPC golden fingers can be also caused.
The content of the invention
It is an object of the invention to provide a kind of flexible circuit board detecting device and detection method, solve prior art and exist
Problem to easily causing damage in the circuit on-off test process of flexible PCB to FPC golden fingers.
To achieve these goals, the present invention provides following technical scheme：
In a first aspect, the invention provides a kind of flexible circuit board detecting device, the break-make for detecting flexible PCB,
The flexible PCB includes first interface and second interface, and the first interface includes multiple FPC golden fingers, and described second connects
Mouth includes multiple leads, and the FPC golden fingers connect one to one with the lead, and the flexible circuit board detecting device includes
Fixed cell, adapter unit and detection unit, one end of the detection unit are connected with the fixed cell, and the detection is single
The other end of unit is connected with the adapter unit；The fixed cell is provided with the first detection mouth being connected with first interface；It is described
Adapter unit is provided with the second detection mouth being connected with second interface；The detection unit be used for detect the FPC golden fingers with it is right
The break-make of the lead answered.
Compared with prior art, the flexible circuit board detecting device that the present invention is provided has the advantages that：
In the flexible circuit board detecting device that the present invention is provided, including fixed cell, adapter unit and detection unit, its
In, fixed cell is provided with the first detection mouth, and adapter unit is provided with the second detection mouth being connected with second interface, by the first detection
Mouthful multiple FPC golden fingers of flexible PCB are fixed, a pair of each lead 1 in flexible PCB are obtained by adapter unit
The switching contact answered, because one end of detection unit is connected with fixed cell, therefore, on off test is being carried out to flexible PCB
During, the other end of detection unit need to be only sequentially connected with each switching contact, you can detect above-mentioned each switching
Whether contact forms path with corresponding FPC golden fingers, so as to obtain lead corresponding with each switching contact and corresponding FPC
The break-make situation of golden finger.It can be seen that, the flexible circuit board detecting device provided using the present invention is entered to detection flexible PCB
During row break-make is detected, each FPC golden finger is fluctuated without using finger, it is possible to accurately detect each
The break-make situation of lead and corresponding FPC golden fingers, therefore, damage will not be caused to FPC golden fingers during break-make is detected
Wound.
Second aspect, the invention provides a kind of flexible circuit board detecting method, is applied to any one of claim 1-8 institute
The flexible circuit board detecting device stated, method includes：
Using the first interface of fixed cell fixing flexible circuit board；
Using the second interface of adapter unit fixing flexible circuit board, obtain being transferred correspondingly with each lead and touch
Point；
Each switching contact is sequentially connected using detection unit, detects lead corresponding with switching contact with FPC golden fingers
Break-make.
Compared with prior art, the beneficial effect of the flexible circuit board detecting method that the present invention is provided and present invention offer
The beneficial effect of flexible circuit board detecting device is identical, will not be described here.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes a part of the invention, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the flexible circuit board detecting device in the embodiment of the present invention one；
Fig. 2 is the structural representation of fixed cell in Fig. 1；
Fig. 3 is the flow chart of the flexible circuit board detecting method in the embodiment of the present invention two.
Reference：
1- fixed cells, 2- detection units；
3- multi-direction switch, 4- adapter units；
11- cover plates, 12- bases；
13- clamps ports, 41- switchings opening.
Specific embodiment
In order to further illustrate flexible circuit board detecting device provided in an embodiment of the present invention and method, with reference to explanation
Book accompanying drawing is described in detail.
Embodiment one
Refer to Fig. 1, flexible circuit board detecting device provided in an embodiment of the present invention, for detecting the logical of flexible PCB
Disconnected, the flexible PCB includes first interface and second interface, and first interface includes multiple FPC golden fingers, and second interface includes
Multiple leads, FPC golden fingers connect one to one with lead, and flexible circuit board detecting device includes fixed cell 1, adapter unit
4 and detection unit 2, one end of detection unit 2 is connected with fixed cell 1, and the other end and the adapter unit 4 of detection unit 2 connect
Connect；Fixed cell 1 is provided with the first detection mouth being connected with first interface；Adapter unit 4 is provided with second be connected with second interface
Detection mouth；Detection unit 2 is used to detect FPC golden fingers with the break-make of corresponding lead.
During specific implementation, the flexible circuit board detecting method that the present embodiment is provided is as follows：
Using the first interface end of the fixing flexible circuit board of fixed cell 1；
Using the second interface end of the fixing flexible circuit board of adapter unit 4, obtain being transferred correspondingly with each lead
Contact；
Each switching contact is sequentially connected using detection unit 2, detects lead corresponding with switching contact with FPC golden fingers
Break-make.
By above-mentioned specific implementation process, in the flexible circuit board detecting device of the present embodiment offer, including fixation
Unit 1, adapter unit 4 and detection unit 2, wherein, fixed cell 1 is provided with the first detection mouth, and adapter unit 4 is provided with and second
Multiple FPC golden fingers of flexible PCB are fixed by the second detection mouth of interface connection by the first detection mouth, single by transferring
Unit 4 obtains the one-to-one switching contact of each lead in flexible PCB, due to one end and the fixed cell 1 of detection unit 2
Connection, therefore, during on off test is carried out to flexible PCB, only need to be by the other end of detection unit 2 and each turn
Contact point is sequentially connected, you can detect whether above-mentioned each switching contact forms path with corresponding FPC golden fingers, so that
To lead corresponding with each switching contact and the break-make situation of corresponding FPC golden fingers.It can be seen that, provided using the present embodiment
Flexible circuit board detecting device, during break-make detection is carried out to detection flexible PCB, without using finger to each
FPC golden fingers are fluctuated, it is possible to accurately detect the break-make situation of each lead and corresponding FPC golden fingers, therefore,
Damage will not be caused to FPC golden fingers during break-make is detected.
It should be noted that when implementing, detection unit 2 realizes that structure has various, and the present embodiment is no longer to detection
The structure of unit 2 is defined, for example, detection unit 2 can be universal meter or resistance meter, the detection in the present embodiment
Unit 2 is preferably universal meter, wherein, a detection pen of universal meter connects the switching contact of adapter unit 4, another detection pen
Be connected unit 1 such that it is able to detects the break-make situation of lead corresponding with switching contact and corresponding FPC golden fingers.
In order to make flexible PCB in break-make detection process, the number of times that operator checks universal meter is reduced, detection
Unit 2 can also include alarm set, when operator is detected using the flexible circuit board detecting device to flexible PCB,
When switching contact forms path with corresponding FPC golden fingers, the alarm set sends corresponding prompting message, so that operator
The display content of detection unit 2 need not be checked during break-make is detected, so that it may learn switching contact with corresponding FPC gold hands
Whether finger forms path.
It is exemplary, the alarm set in above-described embodiment can be one kind in buzzer, LED flashing lights, electromagnetic shaker or
It is various.During specific implementation, above-mentioned alarm set can be voluntarily installed or reequiped additional according to the actual demand of user.
Further, in order to increase the convenience that flexible circuit board detecting device is used, Fig. 1, above-described embodiment are referred to
In the flexible circuit board detecting device of offer, multi-direction switch 3, multi-direction switch 3 are additionally provided between detection unit 2 and adapter unit 4
Break-make for controlling each lead and detection unit 2 by the second detection mouth.
During specific implementation, flexible circuit board detecting method provided in an embodiment of the present invention is as follows：
Using multi-direction switch 3 by the switching contact of second detection port controlling each lead and the break-make of detection unit 2.
By in the flexible circuit board detecting device that above-mentioned specific implementation process, the present embodiment are provided, by inspection
Survey and multi-direction switch 3 is set between unit 2 and adapter unit 4, one end of multi-direction switch 3 is connected with detection unit 2, multi-direction switch
3 other end is connected with the switching contact of adapter unit 4, as follows in the process that break-make detection is carried out to flexible PCB：Rotation
The button of multi-direction switch 3 extremely gear corresponding with each switching contact, to control the corresponding lead of above-mentioned switching contact with detection
The connection conducting of unit 2, now, lead corresponding with switching contact and corresponding FPC gold hands can be obtained by detection unit 2
The break-make situation of finger；It is additionally, since each switching contact smaller and intensive, therefore, the setting that the present embodiment passes through multi-direction switch,
The connection of detection unit 2 and each switching contact accurately can be easily realized, need not thus be wasted time and energy manually
The method of connection makes detection unit 2 be connected with each switching contact, and then has saved detection time, improves the inspection of flexible PCB
Survey efficiency.
It should be noted that the multi-direction switch 3 in above-described embodiment is the existing electronic device in this area, it is no longer right herein
The concrete structure of multi-direction switch 3 is repeated.
Specifically, fixed cell 1 in above-described embodiment realizes that structure is varied, accompanying drawings below 2 is exemplary to be given
A kind of concrete structure, following structures do not lie in restriction only in explanation.
Fig. 2 is referred to, fixed cell 1 includes the base 12 and cover plate 11 that are oppositely arranged in above-described embodiment；Wherein, base
It is formed between 12 and cover plate 11 as the clamps port 13 of the first detection mouth；Clamps port 13 is used to pass through base 12 and cover plate
11 clamping flexible PCBs, and by fixture firm banking 12 and cover plate 11, flexible PCB is in stationary state.Specific
During implementation, the FPC golden fingers of flexible PCB are positioned over clamps port 13, by fixture firm banking 12 and lid
Plate 11, is in FPC gold hands and grips state.
By in the flexible circuit board detecting device that above-mentioned specific implementation process, the present embodiment are provided, by clamping
The setting of port 13, when FPC golden fingers are placed on into clamps port 13, can position to FPC golden fingers, can be accurate
True is put into the position of clamps port 13；In addition, after being fixed to FPC golden fingers by fixture, due to FPC golden fingers
All it is clamped between base 12 and cover plate 11, so ensure that uniform force of the FPC golden fingers in clamp position, keeps away
Exempt from that FPC golden fingers are caused to damage due to unbalance stress.
Further, in order that fixed cell 1 and FPC golden fingers can be good conductive contact, above-described embodiment provides
Flexible circuit board detecting device in, base 12 is conductive seat, and the one side of base 12 is provided with fixing groove, and cover plate 11 is conductive cap
Plate, cover plate 11 is provided with through hole, and the position of through hole is corresponding with the position of fixing groove.When FPC golden fingers are clamped in the He of base 12
After between cover plate 11, because the base 12 of fixed cell 1 is conductive seat, cover plate 11 is conductive cover plate, so will detect single
When one end of unit 2 is connected with fixed cell 1, ensure that detection unit is fully electrically connected with FPC golden fingers, and then avoid FPC
Test result is caused error occur due to loose contact between golden finger and fixed cell 1.
It is understood that the material of conductive seat and conductive cover plate can for steel, copper, aluminium or other there is conductive work(
Can alloy, when implementing, can be according to the actual demand of user, voluntarily the material to conductive seat and conductive cover plate is selected
Select.
Preferably, the material of conductive seat and conductive cover plate is steel in the present embodiment, because steel not only has good leading
Electrically, and steel hardness is bigger, be unlikely to deform during use, extend the service life of fixed cell 1.
It should be noted that the fixture of above-described embodiment include fixed body and with fixed body spiral shell connected vertically
Bar, screw rod passes through through hole and fixing groove clamping.By the clamping of screw rod and fixing groove, ensure that FPC golden fingers fixed single
The steadiness that unit 1 is fixed.
Fig. 1 is referred to, adapter unit 4 also includes switching opening 41 corresponding with number of leads, each switching opening 41
One end is connected with the second detection mouth respectively, and the other end of each switching opening is connected with multi-direction switch 3.By opening 41 of transferring
Set, the wiring between switching contact and multi-direction switch 3 can be reduced, make the structure of the flexible circuit board detecting device more smart
Letter, using more convenient.
Embodiment two
Fig. 2 is referred to, a kind of flexible circuit board detecting method is the embodiment of the invention provides, claim 1-8 is applied to
The flexible circuit board detecting device of any one, method includes：
Using the first interface of the fixing flexible circuit board of fixed cell 1；
Using the second interface of the fixing flexible circuit board of adapter unit 4, obtain being transferred correspondingly with each lead and touch
Point；
Each switching contact is sequentially connected using detection unit 2, detects lead corresponding with switching contact with FPC golden fingers
Break-make.
Compared with prior art, the flexible circuit board detecting method that the present embodiment is provided is soft with what above-described embodiment one was provided
The beneficial effect of property circuit board detection device is identical, will not be described here.
Please continue to refer to Fig. 2, when being additionally provided with multi-direction switch 3 between detection unit 2 and adapter unit 4, obtain and each
Also include after the one-to-one switching contact of lead：
The switching contact of each lead and the break-make of detection unit 2 are controlled by the second detection mouth using multi-direction switch 3.
Compared with prior art, the flexible circuit board detecting method that the present embodiment is provided is soft with what above-described embodiment one was provided
The beneficial effect of property circuit board detection device is identical, will not be described here.
In the description of above-mentioned implementation method, specific features, structure, material or feature can be at any one or many
Combined in an appropriate manner in individual embodiment or example.
More than, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of flexible circuit board detecting device, the break-make for detecting flexible PCB, the flexible PCB includes first
Interface and second interface, the first interface include multiple FPC golden fingers, and the second interface includes multiple leads, the FPC
Golden finger connects one to one with the lead, it is characterised in that the flexible circuit board detecting device includes fixed cell, turns
Order unit and detection unit, one end of the detection unit are connected with the fixed cell, the other end of the detection unit
It is connected with the adapter unit；
The fixed cell is provided with the first detection mouth being connected with first interface；
The adapter unit is provided with the second detection mouth being connected with second interface；
The detection unit is used to detect the FPC golden fingers with the break-make of the corresponding lead.
2. flexible circuit board detecting device according to claim 1, it is characterised in that the detection unit and the switching
Multi-direction switch is additionally provided between unit, the multi-direction switch is used to control each described lead and the inspection by the second detection mouth
Survey the break-make of unit.
3. flexible circuit board detecting device according to claim 1, it is characterised in that the fixed cell includes relative setting
The base and cover plate put；Wherein,
The clamps port as the first detection mouth is formed between the base and the cover plate.
4. flexible circuit board detecting device according to claim 3, it is characterised in that the clamps port is used to pass through institute
State base and the cover plate clamps the flexible PCB, and the base and the cover plate are fixed by fixture, make flexible electrical
Road plate is in stationary state.
5. the flexible circuit board detecting device according to claim 3 or 4, it is characterised in that the base is conductive seat,
The one side of the base is provided with fixing groove, and the cover plate is conductive cover plate, and the cover plate is provided with through hole, the position of the through hole with
The position of the fixing groove is corresponding.
6. flexible circuit board detecting device according to claim 5, it is characterised in that the fixture includes fixed body
And with fixed body screw rod connected vertically, the screw rod passes through the through hole and the fixing groove clamping.
7. flexible circuit board detecting device according to claim 2, it is characterised in that the adapter unit also includes and institute
The corresponding switching opening of number of leads is stated, one end of each switching opening is connected with second detection mouth respectively, each
The other end of the switching opening is connected with the multi-direction switch.
8. flexible circuit board detecting device according to claim 6, it is characterised in that the detection unit is universal meter.
9. a kind of flexible circuit board detecting method, it is characterised in that be applied to the flexible circuit described in claim any one of 1-8
Board checking device, method includes：
Using the first interface of fixed cell fixing flexible circuit board；
Using the second interface of adapter unit fixing flexible circuit board, obtain and the one-to-one switching contact of each lead；
Each switching contact is sequentially connected using detection unit, the break-make of lead corresponding with switching contact and FPC golden fingers is detected.
10. flexible circuit board detecting method according to claim 9, it is characterised in that when the detection unit with it is described
Multi-direction switch is additionally provided between adapter unit, is obtaining also including with after the one-to-one switching contact of each lead：
The switching contact of each lead and the break-make of detection unit are controlled by the second detection mouth using multi-direction switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029416.XA CN106771980A (en) | 2017-01-16 | 2017-01-16 | A kind of flexible circuit board detecting device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029416.XA CN106771980A (en) | 2017-01-16 | 2017-01-16 | A kind of flexible circuit board detecting device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771980A true CN106771980A (en) | 2017-05-31 |
Family
ID=58946830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710029416.XA Pending CN106771980A (en) | 2017-01-16 | 2017-01-16 | A kind of flexible circuit board detecting device and detection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106771980A (en) |
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| CN113362288A (en) * | 2021-05-24 | 2021-09-07 | 深圳明锐理想科技有限公司 | Golden finger scratch detection method and device and electronic equipment |
| CN113419159A (en) * | 2021-05-31 | 2021-09-21 | 歌尔光学科技有限公司 | Testing method, testing device and testing circuit of flexible circuit board |
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Application publication date: 20170531 |