CN113805034A - Keyboard circuit board detection device with FFC winding displacement - Google Patents
Keyboard circuit board detection device with FFC winding displacement Download PDFInfo
- Publication number
- CN113805034A CN113805034A CN202010536230.5A CN202010536230A CN113805034A CN 113805034 A CN113805034 A CN 113805034A CN 202010536230 A CN202010536230 A CN 202010536230A CN 113805034 A CN113805034 A CN 113805034A
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- detection
- circuit board
- module
- ffc
- fixing
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- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 9
- 238000004804 winding Methods 0.000 title claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Leads Or Probes (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
A keyboard circuit board detection device with FFC winding displacement, it includes: a fixing plate; the rotary pressing block structures comprise pressing blocks and fixing columns, the fixing columns are fixedly arranged on the fixing plate, and the pressing blocks penetrate through the fixing columns; the sliding chute structure comprises a plurality of supporting columns and a sliding chute frame, wherein the sliding chute frame is fixedly arranged on the plurality of supporting columns, and a sliding chute is arranged in the sliding chute frame; the detection probe module is arranged in the sliding groove and comprises a plurality of detection probes and a fixing piece, and the detection probes are arranged in the fixing piece; the insulation detection device is arranged on one side of the fixing plate and comprises a detection unit and a display unit, wherein the detection unit detects an insulation value, and the display unit displays the insulation value. By utilizing the keyboard circuit board detection device with the FFC flat cable, the detection efficiency of the FFC flat cable module is improved, and the detection cost is saved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a circuit board detection device, in particular to a keyboard circuit board detection device with an FFC (flexible flat cable).
[ background of the invention ]
FFC winding displacement (Flexible Flat Cable) also known as Flexible Flat Cable, it can select wire figure and interval wantonly, makes the line connection more convenient, and the volume of the electronic product that significantly reduces manufacturing cost, improves production efficiency, is applicable to between moving part and the mainboard, between PCB board to the PCB board, uses as the data transmission Cable in the miniaturized electrical equipment.
Referring to fig. 1, fig. 1 is a schematic diagram of a keyboard circuit board with FFC cables, the keyboard circuit board with FFC cables 10 includes a circuit board module 11, an FFC cable module 12, and a key module 13, wherein the circuit board module 11 has each circuit of a key on the key module 13, and each circuit corresponds to a key of the key module 13 one to one.
At present, in order to prevent the occurrence of open circuit or short circuit between the circuits of the FFC bus bar module 12, before the assembly of the keyboard circuit board 10 with FFC bus bars, the abnormal keyboard circuit board 10 with FFC bus bars is checked out by performing an insulation test on the FFC bus bar module 12. When detecting, need just can detect after being connected FFC winding displacement module 12 and a connector, however the effective plug number of times specification of connector is 15, need change the connector after exceeding 15 times, otherwise the clamping-force of connector is not enough or not hard up, can cause insulation test resistance too big or infinity. However, replacing the connection head multiple times causes detection inefficiency, and also increases detection cost.
In view of this, the present invention provides a keyboard circuit board detection device with FFC bus lines, which can be used to improve the detection efficiency of the FFC bus line module and save the detection cost.
[ summary of the invention ]
Therefore, in order to achieve the above object, the present invention provides a detection device for a keyboard circuit board with an FFC bus, wherein the keyboard circuit board with the FFC bus comprises a circuit board module, an FFC bus module and a key module, and the detection device for a keyboard circuit board with an FFC bus comprises:
a fixing plate;
the rotary pressing block structures comprise pressing blocks and fixing columns, the fixing columns are fixedly arranged on the fixing plate, and the pressing blocks penetrate through the fixing columns;
the sliding chute structure comprises a plurality of supporting columns and a sliding chute frame, wherein the sliding chute frame is fixedly arranged on the plurality of supporting columns, and a sliding chute is arranged in the sliding chute frame;
the detection probe module is arranged in the sliding groove and comprises a plurality of detection probes and a fixing piece, and the detection probes are arranged in the fixing piece;
and the insulation detection equipment is arranged on one side of the fixing plate and comprises a detection unit and a display unit, the detection unit detects the insulation value of the circuit board module, and the display unit displays the insulation value.
Optionally, the pressing block is made of plastic.
Optionally, the fixing plate is further provided with a plurality of positioning blocks, and the positioning blocks position the FFC flat cable module.
Optionally, the detection probe is made of copper.
Optionally, the length of the sliding groove frame is greater than the length of the FFC flat cable module.
Optionally, the insulation detection device further includes an alarm unit.
Optionally, the alarm unit includes an alarm and an indicator light.
According to the keyboard circuit board detection device with the FFC flat cable, provided by the invention, the FFC flat cable module is placed on the fixing plate, the circuit board module is pressed and fixed through the plurality of rotary pressing block structures, the detection probes of the detection probe module are connected with the circuits on the FFC flat cable module in a one-to-one correspondence manner, and finally the detection probes are connected through the insulation detection equipment, so that whether the circuit of the circuit board module is broken or short-circuited can be quickly detected. The keyboard circuit board detection device with the FFC flat cable not only improves the detection efficiency of the FFC flat cable module, but also saves the detection cost.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a keyboard circuit board with FFC bus lines.
Fig. 2 is a schematic diagram of the keyboard circuit board detection device with FFC bus lines of the present invention.
Fig. 3 is a partial schematic view of the keyboard circuit board detection device with FFC bus lines of the present invention.
Fig. 4 is a schematic diagram of the keyboard circuit board detection device with the FFC bus in the first detection state according to the present invention.
Fig. 5 is a schematic diagram of the keyboard circuit board detection device with the FFC bus lines in a second detection state according to the present invention.
[ detailed description ] embodiments
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to a preferred embodiment of the present invention and the accompanying drawings.
Referring to fig. 2 and 3, fig. 2 is a schematic view of a keyboard circuit board detection device with an FFC bus bar of the present invention, and fig. 3 is a partial schematic view of the keyboard circuit board detection device with the FFC bus bar of the present invention. In this embodiment, the present invention provides a device 100 for detecting a keyboard circuit board with an FFC bus, wherein the keyboard circuit board 10 with an FFC bus comprises a circuit board module 11, an FFC bus module 12, and a key module 13, and the device 100 comprises:
a fixing plate 110;
a plurality of rotating pressing block structures 120, each of which includes a pressing block 121 and a fixing column 122, the fixing column 122 is fixedly disposed on the fixing plate 110, and the pressing block 121 penetrates through the fixing column 122;
the sliding groove structure 130 includes a plurality of supporting columns 131 and a sliding groove frame 132, the sliding groove frame 132 is fixedly disposed on the supporting columns 131, and a sliding groove 133 is disposed in the sliding groove frame 132;
a detection probe module 140 disposed in the chute 133, wherein the detection probe module 140 includes a plurality of detection probes 141 and a fixing member 142, and the detection probes 141 are disposed in the fixing member 142;
and an insulation detecting device 150 disposed at one side of the fixing plate 110, wherein the insulation detecting device 150 includes a detecting unit and a display unit 151, the detecting unit detects an insulation value of the circuit board module, and the display unit 151 displays the insulation value.
In the embodiment, the material of the pressing block 121 is plastic, and the plastic pressing block 121 can prevent the circuit board module 11 from being scratched and damaged.
In this embodiment, the fixing plate 110 further has a plurality of positioning blocks for positioning the FFC bus bar module 12, so as to facilitate the detection probes 141 of the detection probe module 140 to be quickly connected to the FFC bus bar module 12.
In this embodiment, the detection probe 141 is made of copper, and the resistance of copper is relatively small, so that the influence on the insulation value detection of the circuit board module 11 can be reduced.
In this embodiment, the length of the sliding groove 133 in the sliding groove frame 132 is greater than the length of the FFC bus bar module 12, so as to facilitate the movement of the detection probe module 140 in the sliding groove 133.
In this embodiment, the insulation detecting apparatus 150 further includes an alarm unit.
In this embodiment, the alarm unit includes an alarm and a flashing light, and when the insulation value detected by the insulation detection device 150 is not within the threshold range of the alarm unit, the alarm gives an alarm and the indicator light flashes.
Referring to fig. 4 again, fig. 4 is a schematic diagram of the keyboard circuit board detection device with the FFC bus cable in the first detection state according to the present invention.
In this embodiment, the FFC bus bar module 12 is first placed on the fixing plate 110, the FFC bus bar module 12 is positioned by the plurality of positioning blocks, and the circuit board module 11 is pressed and fixed by rotating the pressing blocks 121 of the plurality of rotating pressing block structures 120, so as to prevent the circuit board module 11 from moving; then, the detection probe module 140 is inserted into the chute 133 of the chute frame 132, so that the detection probes 141 are connected with the lines on the FFC flat cable module 12 in a one-to-one correspondence manner; finally, two adjacent sensing probes 141 are connected by the insulation detecting device 150, the insulation value of the two adjacent sensing probes 141 is detected by the sensing unit, and displayed by the display unit 151. If the insulation value detected by the insulation detection equipment 150 is within the threshold range, the detection is qualified; on the contrary, if the insulation value detected by the insulation detection device 150 is larger than the threshold range, an open circuit occurs, if the insulation value detected by the insulation detection device 150 is smaller than the threshold range, a short circuit occurs, and when the open circuit or the short circuit occurs, the alarm gives an alarm and the indicator lamp flickers.
Referring to fig. 5, fig. 5 is a schematic diagram of the keyboard circuit board detection device with the FFC bus cable in a second detection state according to the present invention.
After the line on one side of the FFC bus bar module 12 is detected, the detection probe module 140 is moved to be connected with the line on the other side of the FFC bus bar module 12 in a one-to-one correspondence manner; two adjacent detecting probes 141 are connected by the insulation detecting device 150, the insulation value of the two adjacent detecting probes 141 is detected by the detecting unit, and displayed by the display unit 151. If the insulation value detected by the insulation detection equipment 150 is within the threshold range, the detection is qualified; on the contrary, if the insulation value detected by the insulation detection device 150 is larger than the threshold range, an open circuit occurs, if the insulation value detected by the insulation detection device 150 is smaller than the threshold range, a short circuit occurs, and when the open circuit or the short circuit occurs, the alarm gives an alarm and the indicator lamp flickers.
Compared with the prior art, the keyboard circuit board detection device 100 with the FFC flat cable provided by the invention not only improves the detection efficiency of the FFC flat cable module 12, but also saves the detection cost.
It should be noted that the present invention is not limited to the above embodiments, and any simple modifications of the above embodiments based on the technical solution of the present invention, equivalent changes and modifications are within the scope of the present invention.
Claims (7)
1. A keyboard circuit board detection device with FFC winding displacement, the keyboard circuit board with FFC winding displacement includes circuit board module, FFC winding displacement module and button module, characterized in that, the keyboard circuit board detection device with FFC winding displacement includes:
a fixing plate;
the rotary pressing block structures comprise pressing blocks and fixing columns, the fixing columns are fixedly arranged on the fixing plate, and the pressing blocks penetrate through the fixing columns;
the sliding chute structure comprises a plurality of supporting columns and a sliding chute frame, wherein the sliding chute frame is fixedly arranged on the plurality of supporting columns, and a sliding chute is arranged in the sliding chute frame;
the detection probe module is arranged in the sliding groove and comprises a plurality of detection probes and a fixing piece, and the detection probes are arranged in the fixing piece;
and the insulation detection equipment is arranged on one side of the fixing plate and comprises a detection unit and a display unit, the detection unit detects the insulation value of the circuit board module, and the display unit displays the insulation value.
2. The device of claim 1, wherein the pressing block is made of plastic.
3. The device of claim 1, wherein the fixing plate further comprises a plurality of positioning blocks, and the positioning blocks position the FFC flat cable module.
4. The device of claim 1, wherein the detecting probe is made of copper.
5. The apparatus of claim 1, wherein the chute of the chute frame has a length greater than the length of the FFC cable module.
6. The apparatus of claim 1, wherein the insulation detecting device further comprises an alarm unit.
7. The apparatus as claimed in claim 6, wherein the alarm unit comprises an alarm and an indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536230.5A CN113805034B (en) | 2020-06-12 | 2020-06-12 | Keyboard circuit board detection device with FFC flat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536230.5A CN113805034B (en) | 2020-06-12 | 2020-06-12 | Keyboard circuit board detection device with FFC flat cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113805034A true CN113805034A (en) | 2021-12-17 |
| CN113805034B CN113805034B (en) | 2024-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010536230.5A Active CN113805034B (en) | 2020-06-12 | 2020-06-12 | Keyboard circuit board detection device with FFC flat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113805034B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6011398A (en) * | 1998-04-23 | 2000-01-04 | Associated Research, Inc. | Current-leakage tester |
| EP1457783A1 (en) * | 2003-03-14 | 2004-09-15 | Gunsei Kimoto | Probe device |
| CN101661418A (en) * | 2008-08-26 | 2010-03-03 | 比亚迪股份有限公司 | Keyboard testing system |
| CN101750564A (en) * | 2008-11-27 | 2010-06-23 | 王欣鹏 | Multi-core cable tester |
| CN201637822U (en) * | 2009-12-16 | 2010-11-17 | 山东超越数控电子有限公司 | Keyboard test platform |
| CN102156238A (en) * | 2011-03-15 | 2011-08-17 | 深圳市得润电子股份有限公司 | Device and method for testing short circuit and open circuit of flexible flat cable (FFC) |
| CN104237721A (en) * | 2014-07-24 | 2014-12-24 | 江苏联康电子有限公司 | FPC cable circuit on-off testing device |
| CN107015119A (en) * | 2017-05-12 | 2017-08-04 | 中广核核电运营有限公司 | A kind of signal cable Circuit fault diagnosis device and method |
| CN206818812U (en) * | 2017-05-11 | 2017-12-29 | 三门联捷电子有限公司 | The die assembly of calibrating terminal port electric conductivity |
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-
2020
- 2020-06-12 CN CN202010536230.5A patent/CN113805034B/en active Active
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| US6011398A (en) * | 1998-04-23 | 2000-01-04 | Associated Research, Inc. | Current-leakage tester |
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| CN101750564A (en) * | 2008-11-27 | 2010-06-23 | 王欣鹏 | Multi-core cable tester |
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| Publication number | Publication date |
|---|---|
| CN113805034B (en) | 2024-03-19 |
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