CN106405371A - FPC (flexible printed circuit) steel sheet-based integrated test system and method - Google Patents
FPC (flexible printed circuit) steel sheet-based integrated test system and method Download PDFInfo
- Publication number
- CN106405371A CN106405371A CN201610635623.5A CN201610635623A CN106405371A CN 106405371 A CN106405371 A CN 106405371A CN 201610635623 A CN201610635623 A CN 201610635623A CN 106405371 A CN106405371 A CN 106405371A
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- Prior art keywords
- steel disc
- detection device
- pin
- ground
- flexible pcb
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 115
- 239000010959 steel Substances 0.000 title claims abstract description 115
- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 238000011990 functional testing Methods 0.000 claims description 39
- 238000005259 measurement Methods 0.000 claims description 29
- 238000010998 test method Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 210000004556 brain Anatomy 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- LAHWLEDBADHJGA-UHFFFAOYSA-N 1,2,4-trichloro-5-(2,5-dichlorophenyl)benzene Chemical compound ClC1=CC=C(Cl)C(C=2C(=CC(Cl)=C(Cl)C=2)Cl)=C1 LAHWLEDBADHJGA-UHFFFAOYSA-N 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000010354 integration Effects 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
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2803—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP] by means of functional tests, e.g. logic-circuit-simulation or algorithms therefor
-
- 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
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 belongs to the steel sheet testing field of and provides an FPC (flexible printed circuit) steel sheet-based integrated test system and method. An FPC steel sheet includes a flexible circuit board and a steel sheet. The integrated test system includes a grounding detection device and function test equipment; the grounding detection device is connected with the signal pins of the flexible circuit board through signal lines; the grounding end of the grounding detection device is connected with the steel sheet; the output end of the grounding detection device is connected with the input end of the function test equipment; whether the grounding of the steel sheet is good is judged according to the connection condition of the grounding end of the grounding detection device and the grounding pin of the flexible circuit board, and when the grounding of the steel sheet is good, the function test equipment performs function testing on the FPC steel sheet through the grounding detection device; and therefore, the grounding detection and function testing of the FPC steel sheet can be carried out integrally and simultaneously, and operation is more convenient, time can be saved, and efficiency can be improved.
Description
Technical field
The invention belongs to steel disc technical field of measurement and test, more particularly to a kind of integrated measurement system based on FPC steel disc
With method.
Background technology
For FPC (flexible PCB) steel disc, it is the embodiment that FPC is carried out with reinforcement, be that steel disc is attached to FPC is corresponding
On position, for this region of local reinforcement circuit board make its be unlikely to bend technique.At present, due to occurring because of FPC steel disc
Unearthed the problems such as lead to whole machine that hop occurs, so needing FPC supplied materials is carried out with the detection of steel disc ground connection.
The routine that Fig. 1 is related to for prior art tests, using circuit tester, the method whether FPC steel disc is grounded, and circuit tester is adjusted
To diode gear, two test pencils are coupled with the back side of FPC steel disc and the PIN of the GND of FPC head, thus coming
Whether detection steel disc is turned on the PIN of GND.However, the method has some inconveniences for TP manufacturer, because
TP manufacturer also needs to carry out extra functional test to the supplied materials of FPC steel disc.Therefore, FPC steel disc should test its function, again
Detect its steel disc ground connection whether OK with circuit tester, both are independently carried out, cumbersome, expend more man-hour again.However, FPC steel
The earthing detection of piece and functional test are two independent test items, and both separately carry out leading to operation inconvenience, and take relatively
More.
Therefore, the detection technique of existing FPC steel disc exists because of earthing detection and functional test is two independent tests
, lead to operate inconvenience and time-consuming more problem.
Content of the invention
It is an object of the invention to provide a kind of integrated measurement system based on FPC steel disc and method are it is intended to solve existing
It is two independent test items with functional test that the detection technique of some FPC steel discs exists because of earthing detection, leads to operation inconvenience
And take more problem.
The invention provides a kind of integrated measurement system based on FPC steel disc, described FPC steel disc includes flexible PCB
And steel disc, described integrated measurement system includes:
Ground detection device and functional test equipment;
Described ground detection device is connected with the signal pin of described flexible PCB by holding wire, described ground connection inspection
The earth terminal surveying device connects described steel disc, the input of the outfan of described ground detection device and described functional test equipment
Connect;
The connection of the ground pin on the earth terminal according to described ground detection device and described flexible PCB is sentenced
Whether the described steel disc that breaks is grounded well, and when described steel disc ground connection is good, described functional test equipment passes through described ground connection
Detection means carries out functional test to described FPC steel disc.
Present invention also offers a kind of integrated testing side based on FPC steel disc based on above-mentioned integrated measurement system
Method is it is characterised in that described integrated test method for testing comprises the following steps:
A. the connection of the ground pin on the earth terminal according to described ground detection device and described flexible PCB
Judge whether described steel disc is grounded well;
B., when described steel disc ground connection is good, described functional test equipment passes through described ground detection device to described FPC
Steel disc carries out functional test.
In sum, the invention provides a kind of integrated measurement system based on FPC steel disc and method, this FPC steel disc
Including flexible PCB and steel disc, this integrated measurement system includes ground detection device and functional test equipment, earthing detection
Device is connected with the signal pin of flexible PCB by holding wire, and the earth terminal of ground detection device connects steel disc, ground connection
The outfan of detection means is connected with the input of functional test equipment, the earth terminal according to ground detection device and flexible circuit
The connection of the ground pin on plate judges whether steel disc is grounded well, and when described steel disc ground connection is good, function is surveyed
Examination equipment carries out functional test by ground detection device to FPC steel disc.Thus achieve the earthing detection of FPC steel disc and work(
Can test integrated carry out so that operating more convenient, saving the time and improve efficiency, thus solving existing simultaneously
The detection technique of FPC steel disc to exist because of earthing detection and functional test be two independent test items, lead to operation inconvenience with
And take more problem.
Brief description
The routine that Fig. 1 is related to for prior art tests, using circuit tester, the method schematic diagram whether FPC steel disc is grounded.
Fig. 2 is the structural representation of the integrated measurement system based on FPC steel disc provided in an embodiment of the present invention.
Fig. 3 is the exemplary circuit figure of the integrated measurement system based on FPC steel disc provided in an embodiment of the present invention.
The flowchart of the integrated test method for testing based on FPC steel disc that Fig. 4 provides for another embodiment of the present invention.
Specific embodiment
In order that the technical problem to be solved in the present invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Integrated measurement system based on FPC steel disc 10 provided in an embodiment of the present invention and method, by surveying to TP function
The design of examination tool and FPC101 back steel disc 102 is optimized and changes, and realizes FPC steel disc 10 earthing test and TP function
The integration of test.
In order to technical solutions according to the invention are described, to illustrate below by specific embodiment.
Fig. 2 shows the structure of the integrated measurement system based on FPC steel disc provided in an embodiment of the present invention, for the ease of
Illustrate, illustrate only the part related to the embodiment of the present invention, details are as follows:
It is somebody's turn to do the integrated measurement system based on FPC steel disc 10, FPC steel disc 10 includes flexible PCB 101 and steel disc 102,
An aperture is reserved in the back side conducting resinl centre position of steel disc 102, and integrated measurement system includes thimble 20 on tool, connects
Ground detection means 30 and functional test equipment 40.
Ground detection device 30 passes through holding wire data transmitting pin SDA, the data receiver with flexible PCB 101 simultaneously
Pin SCL, round pin INT, reseting pin RESET and power pin VDD be connected (signal pin in Fig. 2 from the right side to
Left sequential), the earth terminal GS of ground detection device 30 connects thimble 20, and the back side of steel disc 102 is placed on tool down,
The back side that thimble 20 just withstands on steel disc 102 is made to expose the position of aperture;The outfan of ground detection device 30 is surveyed with function
The input of examination equipment 40 connects;
The connection of 101 ground pin GND on earth terminal GS according to ground detection device 30 and flexible PCB
Judge whether steel disc 102 is grounded well, and when described steel disc ground connection is good, functional test equipment 40 is filled by earthing detection
Put 30 pairs of FPC steel discs 10 and carry out functional test.
As one embodiment of the invention, connecing on the earth terminal GS according to ground detection device 30 and flexible PCB 101
The connection of ground pin GND judges whether steel disc 102 is grounded good detailed process and includes:
When the earth terminal GS of ground detection device 30 is connected with ground pin GND on flexible PCB 101, then steel disc
102 ground connection are good;
When the earth terminal GS of ground detection device 30 is not connected with ground pin GND on flexible PCB 101, then
Steel disc 102 is not grounded.
Fig. 3 has gone out the exemplary circuit of the integrated measurement system based on FPC steel disc provided in an embodiment of the present invention, in order to just
In explanation, illustrate only the part related to the embodiment of the present invention, details are as follows:
As one embodiment of the invention, ground detection device 30 is specially test board U1, and test board U1 includes:
First serial end I/O1, second serial end I/O2, the 3rd serial ports end I/O3, the 4th serial ports end I/O4, the 5th serial ports
End I/O5 and outfan OUT;
First serial end I/O1 connects data transmitting pin SDA of described flexible PCB, and second serial end I/O2 connects flexibility
What the data receiver pin SCL of circuit board, the 3rd serial ports end I/O3 connect flexible PCB rounds pin INT, the 4th serial ports end I/
O4 meets the reseting pin RESET of flexible PCB, and the 5th serial ports end I/O5 connects power pin VDD of flexible PCB, outfan
OUT is the outfan of ground detection device 30.
As one embodiment of the invention, functional test 40 equipment is specially panel computer, notebook computer and desk-top calculating
Any one or more in machine.
As one embodiment of the invention, functional test includes the welding situation to the electronic component on flexible PCB 101
Detected and the damaged condition of flexible PCB 101 is judged.
Fig. 4 show another embodiment of the present invention provide the integrated test method for testing based on FPC steel disc realize flow process,
For convenience of description, illustrate only the part related to the embodiment of the present invention, details are as follows:
Based on the integrated test method for testing based on FPC steel disc for the above-mentioned integrated measurement system, this integrated testing side
Method comprises the following steps:
A. the connection of the ground pin on the earth terminal according to ground detection device and flexible PCB judges steel disc
Whether it is grounded good;
B., when described steel disc ground connection is good, functional test equipment carries out function by ground detection device to FPC steel disc
Test.
In an alternative embodiment of the invention, the concrete steps of described step A include:
A1. when the ground pin connection on the earth terminal and flexible PCB of ground detection device, then steel disc ground connection is good
Good;
A2. when the earth terminal of ground detection device is not connected with the ground pin on flexible PCB, then steel disc does not have
There is ground connection.
Below in conjunction with Fig. 3, the operation principle of the above-mentioned integrated measurement system based on FPC steel disc and method is illustrated:
As a example by ground detection device, specially test board, functional test equipment are specially computer PC, computer PC and test
Connected by USB data line between plate, test board is connected by wire with FPC steel disc, the GND pin of flexible PCB passes through top
Pin is connected to FPC back steel disc, and the GND pin of the earth terminal GS of test board and flexible PCB is disconnected, other holding wires (SDA,
SCL, INT, RESET, VDD) normal connection, the earth terminal GS of test board extracts, and connects thimble, and thimble is fixed on tool,
FPC steel disc back side court transfers to so that thimble just withstands on the position that the hole of steel disc is exposed at the FPC back side on tool, so that surveying
The earth terminal GS of test plate (panel) is connected with steel disc, if at this moment steel disc ground connection is good, the earth terminal GS of test board is just connected to by steel disc
The GND pin of FPC, so now can be carried out normal functional test, and if FPC steel disc is not grounded, then surveys
The GND pin of the earth terminal GS and FPC of test plate (panel) is just obstructed, now communication will problematic it is impossible to carry out normal functional test.
The earth terminal GS of test board is joined directly together with steel disc and connects, and to detect whether FPC back steel disc contacts OK with the GND pin of FPC, such as
Fruit contact not OK, test board will be unable to know and FPC communication, thus cannot be carried out functional test.Only have steel disc ground connection good
Functional test just can be normally carried out.
In sum, a kind of integrated measurement system based on FPC steel disc and method are embodiments provided, should
FPC steel disc includes flexible PCB and steel disc, and an aperture, this integrated testing system are reserved in the back side conducting resinl centre position of steel disc
System includes thimble on tool, ground detection device and functional test equipment, ground detection device pass through holding wire with
When with the data transmitting pin of flexible PCB, data receiver pin, round pin, reseting pin and power pin and be connected
Connect, the earth terminal of ground detection device connects thimble, and the back side of steel disc is placed on tool down so that thimble just withstands on steel
The position of aperture is exposed at the back side of piece, and the outfan of ground detection device is connected with the input of functional test equipment, according to connecing
The connection of the ground pin on the earth terminal and flexible PCB of ground detection means judges whether steel disc is grounded well, and
Functional test equipment carries out functional test by ground detection device to FPC steel disc.Thus achieve the ground connection inspection of FPC steel disc
Survey is integrated with functional test to be carried out, so that operating more convenient, saving the time and improve efficiency, thus solving simultaneously
It is two independent test items with functional test that the detection technique of existing FPC steel disc exists because of earthing detection, leads to operate
Inconvenience and time-consuming more problem.
One of ordinary skill in the art will appreciate that:Realize the step of said method embodiment or part steps can be passed through
Completing, aforesaid program can be stored in computer read/write memory medium the related hardware of programmed instruction, and this program exists
During execution, execute the step including said method embodiment, and aforesaid storage medium includes:ROM, RAM, magnetic disc or CD
Etc. various can be with the medium of store program codes.
Embodiment described above only in order to technical scheme to be described, is not intended to limit;Although with reference to aforementioned reality
Apply example the present invention has been described in detail, it will be understood by those within the art that:It still can be to aforementioned each
Technical scheme described in embodiment is modified, or carries out equivalent to wherein some technical characteristics;And these modifications
Or replace, do not make the essence of appropriate technical solution depart from spirit and the model of the embodiment of the present invention each embodiment technical scheme
Enclose.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of integrated measurement system based on FPC steel disc, described FPC steel disc includes flexible PCB and steel disc, its feature
It is, described integrated measurement system includes:
Ground detection device and functional test equipment;
Described ground detection device is connected with the signal pin of described flexible PCB by holding wire, described earthing detection dress
The earth terminal put connects described steel disc, and the outfan of described ground detection device is connected with the input of described functional test equipment
Connect;
The connection of the ground pin on the earth terminal according to described ground detection device and described flexible PCB judges institute
State whether steel disc is grounded well, and when described steel disc ground connection is good, described functional test equipment passes through described earthing detection
Device carries out functional test to described FPC steel disc.
2. integrated measurement system as claimed in claim 1 is it is characterised in that earth terminal according to described ground detection device
Judge whether described steel disc is grounded good detailed process and includes with the connection of the ground pin on described flexible PCB:
When the ground pin connection on the earth terminal and described flexible PCB of described ground detection device, then described steel disc connects
Ground is good;
When the earth terminal of described ground detection device is not connected with the ground pin on described flexible PCB, then described steel
Piece is not grounded.
3. integrated measurement system as claimed in claim 1 is it is characterised in that described integrated measurement system also includes:If
Thimble on tool, an aperture, the ground connection of described ground detection device are reserved in the back side conducting resinl centre position of described steel disc
End connects described thimble, and the back side of described steel disc is placed on described tool down so that described thimble just withstands on described steel
The position of described aperture is exposed at the back side of piece.
4. integrated measurement system as claimed in claim 1 is it is characterised in that described signal pin includes data is activation pipe
Foot, data receiver pin, round any one or more in pin, reseting pin and power pin.
5. integrated measurement system as claimed in claim 4 is it is characterised in that described ground detection device is specially test
Plate, described test board includes:
First serial end, second serial end, the 3rd serial ports end, the 4th serial ports end, the 5th serial ports end and outfan;
Described first serial terminates the data transmitting pin of described flexible PCB, and described second serial terminates described flexible circuit
The data receiver pin of plate, described 3rd serial ports terminate described flexible PCB round pin, described 4th serial ports termination institute
State the reseting pin of flexible PCB, described 5th serial ports terminates the power pin of described flexible PCB, and described outfan is
The outfan of described ground detection device.
6. integrated measurement system as claimed in claim 1 is it is characterised in that described functional test equipment is specially flat board electricity
Any one or more in brain, notebook computer and desk computer.
7. integrated measurement system as claimed in claim 1 is it is characterised in that described functional test is included to described flexible electrical
The welding situation of the electronic component on the plate of road is detected and the damaged condition of described flexible PCB is judged.
8. a kind of integrated test method for testing based on the integrated measurement system described in claim 1 based on FPC steel disc, it is special
Levy and be, described integrated test method for testing comprises the following steps:
A. the connection of the ground pin on the earth terminal according to described ground detection device and described flexible PCB judges
Whether described steel disc is grounded well;
B., when described steel disc ground connection is good, described functional test equipment passes through described ground detection device to described FPC steel disc
Carry out functional test.
9. integrated test method for testing as claimed in claim 8 is it is characterised in that the concrete steps of described step A include:
A1. when the ground pin connection on the earth terminal and described flexible PCB of described ground detection device, then described steel
Piece ground connection is good;
A2. when the earth terminal of described ground detection device is not connected with the ground pin on described flexible PCB, then institute
State steel disc not to be grounded.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610635623.5A CN106405371A (en) | 2016-08-04 | 2016-08-04 | FPC (flexible printed circuit) steel sheet-based integrated test system and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610635623.5A CN106405371A (en) | 2016-08-04 | 2016-08-04 | FPC (flexible printed circuit) steel sheet-based integrated test system and method |
Publications (1)
Publication Number | Publication Date |
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CN106405371A true CN106405371A (en) | 2017-02-15 |
Family
ID=58005325
Family Applications (1)
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CN201610635623.5A Pending CN106405371A (en) | 2016-08-04 | 2016-08-04 | FPC (flexible printed circuit) steel sheet-based integrated test system and method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109791176A (en) * | 2017-06-28 | 2019-05-21 | 深圳市柔宇科技有限公司 | Circuit board and multiple-printed-panel for circuit board |
CN113271719A (en) * | 2021-06-23 | 2021-08-17 | 昆山丘钛生物识别科技有限公司 | Flexible circuit board processing method, device and equipment |
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CN204287243U (en) * | 2014-12-02 | 2015-04-22 | 深圳市立德通讯器材有限公司 | Be applicable to TP and the LCM testing jig altogether of touch display screen |
CN206002652U (en) * | 2016-08-04 | 2017-03-08 | 深圳市骏达光电股份有限公司 | Integrated measurement system based on FPC steel disc |
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2016
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CN101509937A (en) * | 2008-02-15 | 2009-08-19 | 日本麦可罗尼克斯股份有限公司 | Probe unit and detection apparatus |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109791176A (en) * | 2017-06-28 | 2019-05-21 | 深圳市柔宇科技有限公司 | Circuit board and multiple-printed-panel for circuit board |
CN113271719A (en) * | 2021-06-23 | 2021-08-17 | 昆山丘钛生物识别科技有限公司 | Flexible circuit board processing method, device and equipment |
CN113271719B (en) * | 2021-06-23 | 2022-07-08 | 昆山丘钛生物识别科技有限公司 | Flexible circuit board processing method, device and equipment |
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Application publication date: 20170215 |