CN113805034B - Keyboard circuit board detection device with FFC flat cable - Google Patents
Keyboard circuit board detection device with FFC flat cable Download PDFInfo
- Publication number
- CN113805034B CN113805034B CN202010536230.5A CN202010536230A CN113805034B CN 113805034 B CN113805034 B CN 113805034B CN 202010536230 A CN202010536230 A CN 202010536230A CN 113805034 B CN113805034 B CN 113805034B
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- China
- Prior art keywords
- detection
- insulation
- circuit board
- flat cable
- module
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- 238000001514 detection method Methods 0.000 title claims abstract description 104
- 238000009413 insulation Methods 0.000 claims abstract description 47
- 239000000523 sample Substances 0.000 claims abstract description 31
- 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
- 238000006073 displacement reaction Methods 0.000 claims 4
- 238000004804 winding Methods 0.000 claims 4
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 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
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
Landscapes
- 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 flat cable, comprising: a fixing plate; the rotary pressing block structures comprise a pressing block and a fixing column, the fixing column is fixedly arranged on the fixing plate, and the pressing block penetrates through the fixing column; the sliding groove structure comprises a plurality of supporting columns and a sliding groove frame, wherein the sliding groove frame is fixedly arranged on the supporting columns, and a sliding groove is arranged in the sliding groove frame; the detection probe module is arranged in the chute and comprises a plurality of detection probes and a fixing piece, and the detection probes are arranged in the fixing piece; the insulation detection equipment is arranged on one side of the fixed 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
[ field of technology ]
The invention relates to a circuit board detection device, in particular to a keyboard circuit board detection device with FFC flat cables.
[ background Art ]
The FFC flat cable (Flexible Flat Cable) is also called a flexible flat cable, and the number and the distance of the wires can be arbitrarily selected, so that the connection is more convenient, the volume of an electronic product is greatly reduced, the production cost is reduced, the production efficiency is improved, and the FFC flat cable is suitable for being used as a data transmission cable between a mobile part and a main board, between PCB boards and in miniaturized electrical equipment.
Referring to fig. 1, fig. 1 is a schematic diagram of a keyboard circuit board with an FFC flat cable, the keyboard circuit board 10 with an FFC flat cable includes a circuit board module 11, an FFC flat cable module 12 and a key module 13, wherein the circuit board module 11 has circuits of keys on the key module 13, and the circuits are in one-to-one correspondence with the keys of the key module 13.
Currently, in order to prevent the occurrence of disconnection or short circuit between the circuits of the FFC flat cable module 12, an insulation test is performed on the FFC flat cable module 12 to check out an abnormal keyboard circuit board 10 having the FFC flat cable before assembling the keyboard circuit board 10 having the FFC flat cable. During detection, the FFC flat cable module 12 is required to be connected with a connector for detection, however, the effective plugging frequency specification of the connector is 15 times, the connector needs to be replaced after the number of times exceeds 15, otherwise, the clamping force of the connector is insufficient or loose, and the insulation test resistance value is overlarge or infinite. However, replacing the connector multiple times causes low detection efficiency and also increases detection cost.
In view of the above, the present invention provides a keyboard circuit board detection device with FFC flat cable, which can be used to improve the detection efficiency of the FFC flat cable module and save the detection cost.
[ invention ]
Therefore, in order to achieve the above-mentioned object, the present invention provides a keyboard circuit board detection device with FFC flat cable, wherein the keyboard circuit board with FFC flat cable includes a circuit board module, an FFC flat cable module and a key module, and the keyboard circuit board detection device with FFC flat cable includes:
a fixing plate;
the rotary pressing block structures comprise a pressing block and a fixing column, the fixing column is fixedly arranged on the fixing plate, and the pressing block penetrates through the fixing column;
the sliding groove structure comprises a plurality of supporting columns and a sliding groove frame, wherein the sliding groove frame is fixedly arranged on the supporting columns, and a sliding groove is arranged in the sliding groove frame;
the detection probe module is arranged in the chute and comprises a plurality of detection probes and a fixing piece, and the detection probes are arranged in the fixing piece;
the insulation detection equipment is arranged on one side of the fixed plate and comprises a detection unit and a display unit, wherein the detection unit detects the insulation value of the road plate module, and the display unit displays the insulation value.
Optionally, the material of the pressing block is 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 material of the detection probe is copper.
Optionally, the length of the chute rack is greater than the length of the FFC flat cable module.
Optionally, the insulation detection device further comprises 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, the FFC flat cable module is placed on the fixed plate, the circuit board module is pressed and fixed through the plurality of rotary pressing block structures, detection probes of the detection probe modules are connected with circuits on the FFC flat cable module in one-to-one correspondence, 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 shorted can be detected rapidly. 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 flat cables.
Fig. 2 is a schematic diagram of a keyboard circuit board detection device with FFC flat cable according to the present invention.
FIG. 3 is a schematic diagram of a keyboard circuit board detection device with FFC flat cable according to the present invention.
Fig. 4 is a schematic diagram of a keyboard circuit board detection device with FFC flat cable in a first detection state according to the present invention.
Fig. 5 is a schematic diagram of a keyboard circuit board detection device with FFC flat cable in a second detection state according to the present invention.
[ detailed description ] of the invention
In order to further describe the technical means adopted by the present invention and the effects thereof, the following detailed description is made 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 diagram of a keyboard circuit board detection device with an FFC flat cable according to the present invention, and fig. 3 is a partial schematic diagram of a keyboard circuit board detection device with an FFC flat cable according to the present invention. In this embodiment, the keyboard circuit board detection device 100 with FFC flat cable provided in the present invention, the keyboard circuit board 10 with FFC flat cable includes a circuit board module 11, an FFC flat cable module 12 and a key module 13, and the keyboard circuit board detection device 100 with FFC flat cable includes:
a fixing plate 110;
the rotary pressing block structures 120 comprise a pressing block 121 and a fixing column 122, wherein the fixing column 122 is fixedly arranged on the fixing plate 110, and the pressing block 121 penetrates into the fixing column 122;
the chute structure 130 comprises a plurality of support columns 131 and a chute frame 132, wherein the chute frame 132 is fixedly arranged on the support columns 131, and a chute 133 is arranged in the chute frame 132;
the detection probe module 140 is disposed in the chute 133, the detection probe module 140 includes a plurality of detection probes 141 and a fixing member 142, and the plurality of detection probes 141 are disposed in the fixing member 142;
the insulation detection device 150 is disposed on one side of the fixing plate 110, the insulation detection device 150 includes a detection unit and a display unit 151, the detection unit detects an insulation value of the road plate module, and the display unit 151 displays the insulation value.
In this embodiment, the pressing block 121 is made of 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 is further provided with a plurality of positioning blocks, and the positioning blocks position the FFC flat cable module 12, so as to facilitate the detection probes 141 of the detection probe module 140 to be quickly connected with the FFC flat cable module 12.
In this embodiment, the material of the detection probe 141 is copper, and the resistance value of copper is relatively small, so that the influence of detecting the insulation value of the circuit board module 11 can be reduced.
In this embodiment, the length of the chute 133 in the chute rack 132 is greater than the length of the FFC flat cable module 12, so as to facilitate the movement of the detection probe module 140 in the chute 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 lamp, 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 lamp flashes.
Referring to fig. 4 again, fig. 4 is a schematic diagram of the keyboard circuit board detection device with FFC flat cable in the first detection state according to the present invention.
In this embodiment, the FFC flat cable module 12 is first placed on the fixing plate 110, the FFC flat cable module 12 is positioned by a plurality of positioning blocks, and then 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 rack 132, so that the detection probes 141 are connected with the circuits on the FFC flat cable module 12 in a one-to-one correspondence manner; finally, two adjacent detection probes 141 are connected through the insulation detection device 150, insulation values of the two adjacent detection probes 141 are detected through the detection unit, and then displayed by the display unit 151. If the insulation value detected by the insulation detection device 150 is within the threshold range, the detection is qualified; conversely, if the insulation value detected by the insulation detection device 150 is greater than the threshold range, a disconnection occurs, if the insulation value detected by the insulation detection device 150 is less than the threshold range, a short circuit occurs, and when the disconnection or short circuit occurs, the alarm gives out an alarm and the indicator lights flash.
Referring to fig. 5 again, fig. 5 is a schematic diagram of the keyboard circuit board detection device with FFC flat cable in the second detection state according to the present invention.
After the circuit on one side of the FFC flat cable module 12 is detected, the detection probe module 140 is moved to be connected with the circuit on the other side of the FFC flat cable module 12 in a one-to-one correspondence manner; two adjacent detection probes 141 are connected through the insulation detection device 150, insulation values of the two adjacent detection probes 141 are detected through the detection unit, and the insulation values are displayed through the display unit 151. If the insulation value detected by the insulation detection device 150 is within the threshold range, the detection is qualified; conversely, if the insulation value detected by the insulation detection device 150 is greater than the threshold range, a disconnection occurs, if the insulation value detected by the insulation detection device 150 is less than the threshold range, a short circuit occurs, and when the disconnection or short circuit occurs, the alarm gives out an alarm and the indicator lights flash.
Compared with the prior art, the keyboard circuit board detection device 100 with 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 modification, equivalent changes and modifications of the above embodiments by those skilled in the art based on the technical solutions of the present invention fall within the scope of the present invention.
Claims (3)
1. The utility model provides a keyboard circuit board detection device with FFC winding displacement, keyboard circuit board with FFC winding displacement includes circuit board module, FFC winding displacement module and button module, its characterized in that, keyboard circuit board detection device with FFC winding displacement includes:
the fixing plate is further provided with a plurality of positioning blocks, and the positioning blocks are used for positioning the FFC flat cable module;
the rotary pressing block structures comprise a pressing block and a fixing column, the fixing column is fixedly arranged on the fixing plate, and the pressing block penetrates through the fixing column;
the sliding groove structure comprises a plurality of supporting columns and a sliding groove frame, wherein the sliding groove frame is fixedly arranged on the supporting columns, a sliding groove is arranged in the sliding groove frame, and the sliding groove length of the sliding groove frame is larger than that of the FFC flat cable module;
the detection probe module is arranged in the chute and comprises a plurality of detection probes and a fixing piece, and the detection probes are arranged in the fixing piece;
the insulation detection equipment is arranged on one side of the fixed plate and comprises a detection unit and a display unit, wherein the detection unit detects the insulation value of the road plate module, and the display unit displays the insulation value;
connecting two adjacent detection probes through insulation detection equipment, detecting insulation values of the two adjacent detection probes through a detection unit, and displaying the insulation values on a display unit; if the insulation value detected by the insulation detection equipment is within the threshold range, the detection is qualified; on the contrary, if the insulation value detected by the insulation detection equipment is larger than the threshold value range, disconnection occurs, if the insulation value detected by the insulation detection equipment is smaller than the threshold value range, short circuit occurs, and when the disconnection or short circuit occurs, the alarm gives out an alarm and the indicator lights flash.
2. The device for detecting a keyboard circuit board with FFC flat cable of claim 1, wherein the pressing block is made of plastic.
3. The device for inspecting a circuit board of a keyboard with FFC flat cable of claim 1, wherein the inspection probe is made of copper.
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 CN113805034A (en) | 2021-12-17 |
| CN113805034B true CN113805034B (en) | 2024-03-19 |
Family
ID=78892213
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 |
| CN208766207U (en) * | 2018-08-24 | 2019-04-19 | 西门子数控（南京）有限公司 | PCB test fixture |
| CN209028174U (en) * | 2018-09-25 | 2019-06-25 | 珠海市沃德科技有限公司 | Flexible circuit board testing tool |
| CN209215543U (en) * | 2018-11-15 | 2019-08-06 | 深圳市沃肯达科技有限公司 | A kind of pcb board probe tester of dust removal fine tuning |
| CN110391574A (en) * | 2018-04-19 | 2019-10-29 | 神讯电脑(昆山)有限公司 | Flexible circuit board presses jig |
-
2020
- 2020-06-12 CN CN202010536230.5A patent/CN113805034B/en active Active
Patent 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 |
| 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 |
| 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 |
| CN110391574A (en) * | 2018-04-19 | 2019-10-29 | 神讯电脑(昆山)有限公司 | Flexible circuit board presses jig |
| CN208766207U (en) * | 2018-08-24 | 2019-04-19 | 西门子数控（南京）有限公司 | PCB test fixture |
| CN209028174U (en) * | 2018-09-25 | 2019-06-25 | 珠海市沃德科技有限公司 | Flexible circuit board testing tool |
| CN209215543U (en) * | 2018-11-15 | 2019-08-06 | 深圳市沃肯达科技有限公司 | A kind of pcb board probe tester of dust removal fine tuning |
Non-Patent Citations (2)
| Title |
|---|
| A review of techniques for modeling flexible cables;Naijing Lv 等;《Computer-Aided Design》;第122卷;第1-16页 * |
| 电子乐器的键盘压力传感器设计;皮华程;《机电工程技术》;第41卷(第2期);第64-67页 * |
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| Publication number | Publication date |
|---|---|
| CN113805034A (en) | 2021-12-17 |
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