CN102156238B - Device and method for testing short circuit and open circuit of flexible flat cable (FFC) - Google Patents
Device and method for testing short circuit and open circuit of flexible flat cable (FFC) Download PDFInfo
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- CN102156238B CN102156238B CN 201110061020 CN201110061020A CN102156238B CN 102156238 B CN102156238 B CN 102156238B CN 201110061020 CN201110061020 CN 201110061020 CN 201110061020 A CN201110061020 A CN 201110061020A CN 102156238 B CN102156238 B CN 102156238B
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- flat cable
- flexible flat
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Abstract
The invention provides a device and a method for testing short circuit and open circuit of a flexible flat cable (FFC). The device comprises a bottom plate and a test device body which is positioned on the bottom plate, wherein a light-emitting diode (LED) indicating lamp is arranged above the test device body; left and right probes are arranged above the bottom plate and in front of the test device body; a set of sliding sleeves and guide posts is arranged at a connection part of the left and right probes and the test device body; and a buzzer is also arranged on the bottom plate. In the invention, the short circuit and open circuit tests of the FFC are realized by testing the left and right probes, the indicating lamp and the buzzer on the device, so that the electric performance of the FFC is guaranteed; meanwhile, the coiled FFC prior to being sliced can be tested, so that test efficiency is improved to a large extent relative to each piece of individual test.
Description
Technical field
The present invention relates to the flexible flat cable field, relate in particular to a kind of flexible flat cable short circuit and discontinuity testing device and method.
Background technology
Flexible flat cable (Flexible Flat Cable, FFC) is that assembly is used in a kind of signal transmission, itself has the advantages such as flexing, high signal transmission arbitrarily, therefore is used in widely in many electronic products.This flexible flat cable is to use with the electric power connector collocation, so that signal is passed to the other end by an end, reaches the purpose that signal transmits.
The electric performance test of existing flexible flat cable generally by manually flexible flat cable being carried out short circuit and out of circuit test, and can only be tested every pcs separately.To a certain extent, both increase cost of labor, reduced again testing efficiency.
Summary of the invention
The object of the present invention is to provide a kind of flexible flat cable short circuit and discontinuity testing device, can guarantee the electric property of FFC flexible flat cable.
Another object of the present invention is to provide a kind of flexible flat cable short circuit and out of circuit test method, can the web-like FFC before not cutting into slices be tested, thereby greatly promoted testing efficiency.
The objective of the invention is to be achieved through the following technical solutions.
a kind of flexible flat cable short circuit and discontinuity testing device, comprise: base plate, be positioned at the proving installation main body on base plate, proving installation main body top is provided with LED light, above base plate and proving installation main body dead ahead be provided with a left side, right probe, a described left side, the connecting portion of right probe and proving installation main body is one group of sliding sleeve and guide pillar, described proving installation main body dead ahead is provided with a left side, right quick clip, left, right quick clip one end is fixed on the proving installation main body, the other end is active state, between described left quick clip and left probe, be respectively equipped with a connecting rod between right quick clip and right probe, connecting rod is with a left side, right quick clip move and on, lower operation, described sliding sleeve and guide pillar are the structure of an activity, work as a left side, on right quick clip, under when shaking, described connecting rod drives probe, on being undertaken by guide pillar and coordinating of probe, lower to-and-fro movement, also be provided with hummer on base plate.
Preferably, the place ahead of described left and right probe also correspondence is provided with left and right locating platform, and left and right locating platform is positioned on base plate.
A kind of being applied to carried out flexible flat cable short circuit and out of circuit test method on above-mentioned proving installation, comprising:
The first step: short-circuit test, flexible flat cable front terminal to be measured is placed in the top of left locating platform and location, make the golden finger and the corresponding contact one by one of the left probe of proving installation of flexible flat cable front terminal; Confirm whether hummer reports to the police, as reporting to the police, corresponding LED light is bright, confirms that according to the LED light numbering short-circuit conductor overhauls processing;
Second step: out of circuit test, flexible flat cable rear terminal to be measured is placed in the top of right locating platform and location, make the golden finger and the corresponding contact one by one of the right probe of proving installation of flexible flat cable rear terminal; If flexible flat cable is without opening circuit, corresponding LED light is bright; Open circuit if flexible flat cable has, corresponding LED light is in extinguishes state.
Preferably, also comprise in the described first step: depress left quick clip, make the golden finger close contact of left probe and flexible flat cable front terminal.
Preferably, also comprise in described second step: depress right quick clip, make the golden finger close contact of right probe and flexible flat cable rear terminal.
Further, in described second step, open circuit if flexible flat cable has, corresponding LED light is in extinguishes state, then according to the LED light state confirmation conductor situation that opens circuit, overhauls processing.
The embodiment of the present invention compared with prior art, beneficial effect is: the present invention is by left and right probe, pilot lamp and hummer realization short circuit and the out of circuit test to the FFC flexible flat cable on proving installation, thereby guaranteed the electric property of FFC flexible flat cable, can the web-like FFC before not cutting into slices be tested simultaneously, relatively independent every pcs tests, and has largely promoted testing efficiency.
Description of drawings
Fig. 1 is proving installation structural representation of the present invention;
Fig. 2 is web-like FFC flexible flat cable schematic diagram;
Fig. 3 is proving installation circuit diagram of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
see also shown in Figure 1, comprise: base plate 9, be positioned at the proving installation main body 8 on base plate 9, proving installation main body 8 tops are provided with LED light 1, proving installation main body 8 dead aheads are provided with a left side, right quick clip (2, 5), left, right quick clip (2, 5) end is fixed on proving installation main body 8, the other end can be gone up, under shake, above base plate 9 and proving installation main body 8 dead aheads be provided with a left side, right probe (3, 6), left, right probe (3, 6) connecting portion with proving installation main body 8 is one group of sliding sleeve and guide pillar, it is a stable structure that guide pillar is fixed on proving installation main body 8, not movable, sliding sleeve and probe are a stable structure, also Immobile.
Left quick clip 2 is connected with left probe 3, can drive left probe 3 correspondences by the upper and lower activity of controlling quick clip 2 and rise and descend; Right quick clip 5 is connected with right probe 6, can drive right probe 6 correspondences by the upper and lower activity of controlling quick clip 5 and rise and descend; Between left and right quick clip (2,5) and left and right probe (3,6), a connecting rod is arranged, when quick clip is upper and lower when shaking, connecting rod upper and lower operation thereupon, thus drive the upper and lower operation of probe.
Sliding sleeve and guide pillar are the structure of an activity, when quick clip is upper and lower when shaking, and drivening rod, connecting rod drives probe, by guide pillar and coordinating of probe carrying out upper and lower to-and-fro movement.
The place ahead that is close to left and right probe (3,6) also correspondence is provided with left and right locating platform (4,7), and left and right locating platform (4,7) also is positioned on base plate 9; Also be provided with hummer 10 on base plate 9; In Fig. 2,11 is FFC flexible flat cable front terminal, and 12 is FFC flexible flat cable rear terminal to be measured.
Its course of work is as follows:
Short-circuit test: open the proving installation power supply, FFC flexible flat cable front terminal 11 to be measured is placed in the top of left locating platform 4 and location, make the golden finger of FFC flexible flat cable front terminal 11 corresponding one by one with the left probe 3 of proving installation.Depress left quick clip 2, make the golden finger close contact of left probe 3 and FFC flexible flat cable front terminal 11.Confirm whether hummer 10 reports to the police, and if any warning, represents that tested FFC flexible flat cable has short circuit, this moment, corresponding pilot lamp 1 can be bright, then confirm the conductor short-circuit state according to the pilot lamp numbering, overhauls processing according to situation.
Out of circuit test: FFC flexible flat cable rear terminal 12 to be measured is placed in the top of right locating platform 7 and location, makes the golden finger of FFC flexible flat cable rear terminal 12 corresponding one by one with the right probe 6 of proving installation.Depress right quick clip 5, make the golden finger close contact of right probe 6 and FFC flexible flat cable rear terminal 12.At this moment, if the soft conductor of FFC is without opening circuit, corresponding pilot lamp can be bright, if the soft conductor of FFC has opens circuit, and corresponding pilot lamp is in and extinguishes state.Confirm that according to red led which conductor has the situation of opening circuit, and overhauls processing according to situation again.
In the present invention, when out of circuit test, must be not carry out under tested FFC flexible flat cable has the prerequisite of short circuit, and must be with head and the tail two of left and right probe fixed product.
See also shown in Figure 3ly, be proving installation circuit diagram of the present invention, by transformer T1 with the alternating current 220V step-down for exchanging the safe voltage of 24V, reach safely the purpose of product safety to play the protection tester,
The secondary of transformer T1 is connected with capacitor C 1 through bridge rectifier circuit S1, and capacitor C 1 is the electrochemical capacitor of 100V/10uF, obtains the direct supply of voltage stabilization after rectification, to guarantee the stability of test effect.
Realize that the chief component of test function is for to be comprised of a plurality of LED lamps, resistance R and diode, hummer SR1 and capacitor C 1, when short-circuit state occurring, will consist of a current return, the LED lantern festival bright light that this moment is corresponding, and hummer SR1 can sound the alarm, and guarantees that the tested personnel of unusual condition energy in time find and process.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a flexible flat cable short circuit and discontinuity testing device, it is characterized in that, comprise: base plate, be positioned at the proving installation main body on base plate, proving installation main body top is provided with LED light, above base plate and proving installation main body dead ahead be provided with a left side, right probe, a described left side, the connecting portion of right probe and proving installation main body is one group of sliding sleeve and guide pillar, described proving installation main body dead ahead is provided with a left side, right quick clip, left, right quick clip one end is fixed on the proving installation main body, the other end is active state, between described left quick clip and left probe, be respectively equipped with a connecting rod between right quick clip and right probe, connecting rod is with a left side, right quick clip move and on, lower operation, described sliding sleeve and guide pillar are the structure of an activity, work as a left side, on right quick clip, under when shaking, described connecting rod drives probe, on being undertaken by guide pillar and coordinating of probe, lower to-and-fro movement, also be provided with hummer on base plate.
2. flexible flat cable short circuit as claimed in claim 1 and discontinuity testing device, is characterized in that, the place ahead of described left and right probe also correspondence is provided with left and right locating platform, and left and right locating platform is positioned on base plate.
3. one kind is applied to carry out flexible flat cable short circuit and out of circuit test method on the described device of claim 2, it is characterized in that, comprising:
The first step: short-circuit test, flexible flat cable front terminal to be measured is placed in the top of left locating platform and location, make the golden finger and the corresponding contact one by one of the left probe of proving installation of flexible flat cable front terminal; Confirm whether hummer reports to the police, as reporting to the police, corresponding LED light is bright, confirms that according to the LED light numbering short-circuit conductor overhauls processing;
Second step: out of circuit test, flexible flat cable rear terminal to be measured is placed in the top of right locating platform and location, make the golden finger and the corresponding contact one by one of the right probe of proving installation of flexible flat cable rear terminal; If flexible flat cable is without opening circuit, corresponding LED light is bright; Open circuit if flexible flat cable has, corresponding LED light is in extinguishes state.
4. flexible flat cable short circuit as claimed in claim 3 and out of circuit test method, is characterized in that, also comprises in the described first step: depress left quick clip, make the golden finger close contact of left probe and flexible flat cable front terminal.
5. flexible flat cable short circuit as claimed in claim 4 and out of circuit test method, is characterized in that, also comprises in described second step: depress right quick clip, make the golden finger close contact of right probe and flexible flat cable rear terminal.
6. flexible flat cable short circuit as described in claim 3 or 4 and out of circuit test method, is characterized in that, in described second step, if having, flexible flat cable opens circuit, corresponding LED light is in extinguishes state, then according to the LED light state confirmation conductor situation that opens circuit, overhauls processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061020 CN102156238B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing short circuit and open circuit of flexible flat cable (FFC) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061020 CN102156238B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing short circuit and open circuit of flexible flat cable (FFC) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102156238A CN102156238A (en) | 2011-08-17 |
| CN102156238B true CN102156238B (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110061020 Expired - Fee Related CN102156238B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing short circuit and open circuit of flexible flat cable (FFC) |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540002A (en) * | 2012-02-16 | 2012-07-04 | 杭州鸿雁智能科技有限公司 | Method for detecting open circuit and short circuit of line |
| CN103487710B (en) * | 2012-06-13 | 2016-09-28 | 易鼎股份有限公司 | Circuit test shaking device |
| CN105717412A (en) * | 2013-10-23 | 2016-06-29 | 刘伟华 | Portable circuit on-off detection tool |
| CN113805034B (en) * | 2020-06-12 | 2024-03-19 | 神讯电脑(昆山)有限公司 | Keyboard circuit board detection device with FFC flat cable |
| CN114062840A (en) * | 2021-11-02 | 2022-02-18 | 上海御渡半导体科技有限公司 | Test device and test method for conduction of card connector of interface board of ATE (automatic test equipment) tester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326162A (en) * | 1980-05-02 | 1982-04-20 | Hankey James H | Cable tester with first and second interengaging test modules |
| US4471293A (en) * | 1982-05-03 | 1984-09-11 | Otto Schnack | Multi-conductor cable test unit |
| CN2128744Y (en) * | 1992-06-25 | 1993-03-24 | 梁正奎 | Test instrument for multicore cable |
| CN101867107A (en) * | 2010-06-29 | 2010-10-20 | 昆山捷讯腾精密电子科技有限公司 | FPC (Flexible Printed Circuit) connector |
-
2011
- 2011-03-15 CN CN 201110061020 patent/CN102156238B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326162A (en) * | 1980-05-02 | 1982-04-20 | Hankey James H | Cable tester with first and second interengaging test modules |
| US4471293A (en) * | 1982-05-03 | 1984-09-11 | Otto Schnack | Multi-conductor cable test unit |
| CN2128744Y (en) * | 1992-06-25 | 1993-03-24 | 梁正奎 | Test instrument for multicore cable |
| CN101867107A (en) * | 2010-06-29 | 2010-10-20 | 昆山捷讯腾精密电子科技有限公司 | FPC (Flexible Printed Circuit) connector |
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| Publication number | Publication date |
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| CN102156238A (en) | 2011-08-17 |
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