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 PDF

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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
Authority
CN
China
Prior art keywords
steel disc
detection device
pin
ground
flexible pcb
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
Application number
CN201610635623.5A
Other languages
Chinese (zh)
Inventor
王乾
王令
黎美峰
李文潮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN JUNDA OPTOELECTRONICS CO Ltd
Original Assignee
SHENZHEN JUNDA OPTOELECTRONICS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN JUNDA OPTOELECTRONICS CO Ltd filed Critical SHENZHEN JUNDA OPTOELECTRONICS CO Ltd
Priority to CN201610635623.5A priority Critical patent/CN106405371A/en
Publication of CN106405371A publication Critical patent/CN106405371A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2803Testing 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/281Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing

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  • 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

Integrated measurement system based on FPC steel disc and method
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.
CN201610635623.5A 2016-08-04 2016-08-04 FPC (flexible printed circuit) steel sheet-based integrated test system and method Pending CN106405371A (en)

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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

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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
CN106405371A true CN106405371A (en) 2017-02-15

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Cited By (2)

* Cited by examiner, † Cited by third party
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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CN203249984U (en) * 2013-05-31 2013-10-23 浙江龙威电子科技有限公司 Tool for detecting open circuit and short circuit of flexible circuit board
CN103415153A (en) * 2013-07-01 2013-11-27 刘胜江 Steel disc ground production method of FPC silver paste pouring hole
CN103913695A (en) * 2012-12-30 2014-07-09 创意电子股份有限公司 Test system
US20140333339A1 (en) * 2013-05-13 2014-11-13 Benjamin Orr Board, integrated circuit testing arrangement, and method for operating an integrated circuit
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103913695A (en) * 2012-12-30 2014-07-09 创意电子股份有限公司 Test system
US20140333339A1 (en) * 2013-05-13 2014-11-13 Benjamin Orr Board, integrated circuit testing arrangement, and method for operating an integrated circuit
CN203249984U (en) * 2013-05-31 2013-10-23 浙江龙威电子科技有限公司 Tool for detecting open circuit and short circuit of flexible circuit board
CN103415153A (en) * 2013-07-01 2013-11-27 刘胜江 Steel disc ground production method of FPC silver paste pouring hole
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
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