CN1963429A - Clamping device of circuit board and testing apparatus using the same - Google Patents
Clamping device of circuit board and testing apparatus using the same Download PDFInfo
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- CN1963429A CN1963429A CN 200510120162 CN200510120162A CN1963429A CN 1963429 A CN1963429 A CN 1963429A CN 200510120162 CN200510120162 CN 200510120162 CN 200510120162 A CN200510120162 A CN 200510120162A CN 1963429 A CN1963429 A CN 1963429A
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- circuit board
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- fixed part
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Abstract
This invention relates to circuit board clamping structure and its test device, wherein, the clamp structure is to clamp one main circuit board and one extending circuit board; the extending circuit board is coupled to main circuit board with one inclination angle; the circuit board clamp structure comprises one base board and one clamp part on the baseboard; the clamp part comprises one clamp part and one fix part to clamp extending circuit board; the fix part is set on baseboard coupled to clamper part to form one L shape structure.
Description
[technical field]
The invention relates to a kind of clamping device of circuit board and use its proving installation, and particularly relevant for a kind of with the firm clamping one extension circuit plate of a L type holder on a main circuit board clamping device of circuit board and use its proving installation.
[background technology]
Electronic product makes rapid progress, and brings in people's life and goes up many facilities with work.Especially computing machine more becomes a part indispensable in modern's daily life.Computing machine comprises a main frame and a screen, and main frame more comprises a motherboard and at least one Extender Card, for example display card (VGA card).Display card system plants or the mode and the main circuit board of welding couple, and for example is vertically to be inserted in the slot of motherboard.Main frame is vibrated in transportation or during intense impact, motherboard and display card takes place easily come off or weld phenomenons such as be full of cracks.Therefore, general main frame all need pass through a series of vibration or shock-testing before dispatching from the factory, still can keep normal electrical functionality with display card and the motherboard of guaranteeing to couple mutually in vibration processes or after the severe impact.
Traditional vibration or apparatus for impact testing system provide a casing and a vibration source or impulse source.Impulse source ties up to a judder strength was provided in the blink, and the following description is with a vibration-testing apparatus and a vibration source explanation.Motherboard is held on the casing, and display card vertically is inserted on the motherboard.Just begin, vibration source applies a vibration force on casing, and vibration force conducts to motherboard via casing, conducts to display card via motherboard again.Test the display card and the motherboard that couple mutually by this and when vibration, whether still can keep normal electrical functionality.
Yet this moment, vibration force was cut down in the process that is passed to motherboard and display card via casing in regular turn gradually, so the vibration force of display card actual received has one section gap with the vibration force of presetting.Therefore, influence vibration-testing result's correctness widely, and then may influence the quality of product.In addition, not only display card and motherboard have the inaccurate problem of vibration-testing, and other wantonly two circuit boards that couple carry out above-mentioned vibration-testing also identical problem.So, how to offer one of wantonly two circuit board that couple and vibrate accurately or the shock-testing environment, will become important topic to be solved in the quality management of electronic product.
[summary of the invention]
In view of this, purpose of the present invention is exactly a kind of clamping device of circuit board to be provided and to use its proving installation.It utilizes a substrate orientation main circuit board and sees through the design of the direct clamping extension circuit of holder plate on substrate on the substrate, clamping extension circuit plate and main circuit board that not only can be firm, more accurately conduction vibration source or vibration that impulse source provided or impact strength on the extension circuit plate.Therefore, make that the extension circuit plate and the electrical functionality of main circuit board under vibration or impact situation that couple mutually can accurately be measured, to guarantee the quality of electronic product.
According to purpose of the present invention, a kind of clamping device of circuit board is proposed, be in order to clamping one main circuit board and an extension circuit plate.Extension circuit plate system couples with main circuit board, and has an angle of inclination between extension circuit plate and the main circuit board.Clamping device of circuit board comprises a substrate and a holder.Main circuit board system is arranged on the substrate.Holder comprises a clamping part and a fixed part, and clamping part is in order to clamping extension circuit plate.Fixed part system is arranged on the substrate and with clamping part and couples, and clamping part and fixed part system form a L type structure.
According to a further object of the present invention, a kind of proving installation is proposed, be in order to test the electrical functionality of an extension circuit plate under a vibrational state or an impact conditions.Proving installation comprises a substrate, a main circuit board, a holder, a test platform and a detecting unit.Main circuit board system is arranged on the substrate, and main circuit board system couples with the extension circuit plate, and has an angle of inclination between main circuit board and the extension circuit plate.Holder comprises a clamping part and a fixed part.Clamping part system is in order to clamping extension circuit plate.Fixed part system is arranged on the substrate and with clamping part and couples, and clamping part and fixed part system form a L type structure.Test platform is and couples in substrate, in order to substrate one vibration source or an impulse source to be provided.Detecting unit system is electrically connected at extension circuit plate and main circuit board, in order to detect the electrical functionality of extension circuit plate under vibration or impact conditions.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
[description of drawings]
Fig. 1 illustrates and is the calcspar according to the proving installation of the preferred embodiment of present embodiment; And
Fig. 2 illustrates the structural representation into test platform.
[embodiment]
Please refer to Fig. 1, it illustrates and is the calcspar according to the proving installation of the preferred embodiment of present embodiment.Proving installation 100 is in order to test the electrical functionality of an extension circuit plate 70 under a vibrational state or an impact conditions.One test platform 20 is in order to produce test required a vibration source or an impulse source.In the present embodiment, test platform 20 is that to provide vibration source to a clamping device of circuit board 10 with a bobbing machine be that example explains.Clamping device of circuit board 10 is in order to clamping one main circuit board 60 and extension circuit plate 70, and while conduction vibration strength is to main circuit board 60 and extension circuit plate 70.Main circuit board 60 is to couple with extension circuit plate 70.Main circuit board 60 can be a computer main frame panel, a CD-ROM drive motherboard or an action host computer communication plate.Extension circuit plate 70 can be a video signal card, a network card or a sound card.In the present embodiment, main circuit board 60 is to be to be that example explains with a video signal card with a computer main frame panel and extension circuit plate 70.Main circuit board 60 more is electrically connected to a detecting unit 30 with extension circuit plate 70.Detecting unit 30 is in order to detect main circuit board 60 and the electrical functionality of extension circuit plate 70 under vibrational state.Detecting unit 30 can be a monitoring screen or an electrical signal detection chip.Moreover proving installation 100 more comprises a control module 40, and control module 40 is in order to drive test platform 20 and detecting unit 30.And the electric power of control module 40 system is provided by a power supply unit 50.
Please refer to Fig. 2, it illustrates the structural representation into test platform.Test platform 20 is to couple with clamping device of circuit board 10, and test platform 20 can conduct a vibration force to clamping device of circuit board 10 by this.Clamping device of circuit board 10 comprises a substrate 11, and substrate 11 is to couple with test platform 20 and main circuit board 60, and the vibration force that provides with conduction test platform 20 is on main circuit board 60.In the present embodiment, test platform 20 is the below that couples and be arranged at substrate 11 with substrate 11.And main circuit board 60 has a plurality of screw holes, and for example four screw hole 60a are arranged at four corners of main circuit board 60 respectively, and substrate 11 has the pilot hole 11a of several arranged.Clamping device of circuit board 10 is more with several double-screw bolts 60b and nut 60c be spirally connected respectively screw hole 60a and corresponding pilot hole 11a, in order to sealed main circuit board 60 on substrate 11.The two sides of general main circuit board 60 is provided with several transistors or electronic package, and therefore with several high main circuit boards 60 of double-screw bolt 60b frame with certain altitude, the electronic package that can avoid being arranged at a side of adjacent substrates directly collides with substrate 11.In addition, the pilot hole 11a that substrate 11 is provided with several arranged can satisfy the main circuit board 60 of different size size, has increased the use elasticity of vibration-testing apparatus 100.
Though present embodiment illustrates annexation between main circuit board 60 and the substrate 11 with double-screw bolt 60b and nut 60c interlocking mode, but connected modes such as other pin joint, snapping, riveted joint, socket, clamping or gluing also can be fixedly arranged on main circuit board 60 on the substrate 11.
In addition, extension circuit plate 70 more firmly is held on the substrate 11 with holder 13.Holder 13 more comprises a clamping part 13a and a fixed part 13b.Holder 13 is the side with clamping part 13a clamping extension circuit plate 70, and is fixed on the substrate 11 with fixed part 13b.Clamping part 13a and fixed part 13b system form a L type structure, can be integrated structure.Holder 13 more comprises a pivot 13c.Pivot 13c system is arranged at clamping part 13a and fixed part 13b couples the place, and fixed part 13b is the relative clamping part 13a rotation in center with pivot 13c.For example, pivot 13c with can for clamping part 13a and fixed part 13b in relative rotation mode be arranged on the substrate 11.Substrate 11 has the pilot hole 11a of several arranged, and fixed part 13b has more a long strip type permanent opening 13d.When fixed part 13b is the relative clamping part 11a in center when turning to a latched position P with pivot 13c, permanent opening 13d correspondence two pilot hole 11a wherein.The user is run through permanent opening 13d with two-screw 13e and is locked among the two pilot hole 11a.Have the design of several pilot holes 11a and permanent opening 13d and pivot 13c by substrate 11, when making holder 13 clamping extension circuit plates 70, the rotary mode of fixed part 13b is sought out a suitable latched position P and is fixed on the substrate 11.Wherein, the material of holder 13 can be a rigidity material, for example is copper, stainless steel or iron etc., and the vibration force that is provided in order to conduction vibration source well is to extension circuit plate 70.
According to the above, after test platform 20 provides a vibration to come from the substrate 11, substrate 11 by holder 13 direct conduction vibration strength on the extension circuit plate 70.The vibration force that makes extension circuit plate 70 actual reception arrive is approaching with default vibration force.Sensing cell 30 (as shown in Figure 1) can measure the electrical functionality of extension circuit plate 70 under a vibrational state more accurately.
According to above preferred embodiment, though the holder of present embodiment system be that example explains to be arranged on the substrate with dismountable mode, so the holder of present embodiment is also can be with substrate one-body molded or be fixedly arranged on the substrate.So long as utilize a clamping device of circuit board directly to conduct a vibration force in the extension circuit plate, the vibration force that the vibration force that is provided to reach approaches to preset, in order to the purpose of the electrical functionality that measures the extension circuit plate, neither disengaging technical scope of the present invention.
The disclosed clamping device of circuit board of the above embodiment of the present invention and use its vibration-testing apparatus, it utilizes a substrate orientation main circuit board and sees through the design of the direct clamping extension circuit of holder plate on substrate on the substrate, not only firmly clamping main circuit board and extension circuit plate, more accurately the vibration force that provided of conduction vibration source is on the extension circuit plate.Therefore, make that the extension circuit plate and the electrical functionality of main circuit board under vibration state that couple mutually can accurately be measured, to guarantee the quality of electronic product.
In sum, though the present invention discloses as above with a preferred embodiment, so it is not in order to limit the present invention.Any in the technical field of the invention have know the knowledgeable usually, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (10)
1. a clamping device of circuit board is in order to clamping one main circuit board and an extension circuit plate, and this extension circuit plate system couples with this main circuit board, and has an angle of inclination between this extension circuit plate and this main circuit board, and this clamping device of circuit board comprises:
One substrate, this main circuit board system is arranged on this substrate; And
One holder comprises:
One clamping part is in order to this extension circuit plate of clamping; And
One fixed part is to be arranged on this substrate and with this clamping part to couple, and this clamping part and this fixed part system form a L type structure.
2. clamping device of circuit board according to claim 1 is characterized in that this holder more comprises a pivot, and this pivot system is arranged at this clamping part and this fixed part couples the place, and this fixed part system is that rotate relative to this clamping part at the center with this pivot.
3. clamping device of circuit board according to claim 2, it is characterized in that, this substrate has more a plurality of pilot holes, and this fixed part has more a permanent opening, this fixed part system is that relative this clamping part in center turns to a latched position with this pivot, make this permanent opening corresponding to the top of wherein those pilot holes, this clamping device of circuit board more runs through this permanent opening and is bolted in this pilot hole with a screw, in order to sealed this fixed part and this substrate.
4. clamping device of circuit board according to claim 1, it is characterized in that, this main circuit board has a plurality of screw holes, and this substrate has a plurality of pilot holes, this clamping device of circuit board is more with a plurality of double-screw bolts be spirally connected respectively those screw holes and this corresponding pilot hole, in order to sealed this main circuit board on this substrate.
5. proving installation is in order to testing the electrical functionality of an extension circuit plate under a vibrational state or an impact conditions, and this proving installation comprises:
One substrate;
One main circuit board is to be arranged on this substrate, and this main circuit board system couples with this extension circuit plate, and has an angle of inclination between this main circuit board and this extension circuit plate;
One holder comprises:
One clamping part is in order to this extension circuit plate of clamping; And
One fixed part is to be arranged on this substrate and with this clamping part to couple, and this clamping part and this fixed part system form a L type structure;
One test platform is to couple with this substrate, in order to this substrate one vibration source or impulse source to be provided; And
One detecting unit is to be electrically connected at this extension circuit plate and this main circuit board, in order to detect the electrical functionality of this extension circuit plate under vibration or impact conditions.
6. proving installation according to claim 5 is characterized in that, this test platform more comprises a bobbing machine or a shock machine.
7. proving installation according to claim 6 more comprises:
One control module is to be electrically connected at this bobbing machine or shock machine, in order to drive this bobbing machine or shock machine; And
One power supply unit is to be electrically connected at this control module, in order to provide this proving installation required electric power.
8. proving installation according to claim 5 is characterized in that this holder more comprises a pivot, and this pivot system is arranged at this clamping part and this fixed part couples the place, and this fixed part system is that rotate relative to this clamping part at the center with this pivot.
9. proving installation according to claim 8, it is characterized in that, this substrate has more a plurality of pilot holes, and this fixed part has more a permanent opening, this fixed part system is that relative this clamping part in center turns to a latched position with this pivot, make this permanent opening corresponding to the top of wherein those first pilot holes, this proving installation more runs through this permanent opening with a screw and is bolted in this first pilot hole, in order to sealed this fixed part and this substrate.
10. proving installation according to claim 5, it is characterized in that, this main circuit board has a plurality of screw holes, and this substrate has a plurality of pilot holes, this extension circuit plate holder is held mechanism more with a plurality of double-screw bolts be spirally connected respectively those screw holes and this corresponding pilot hole, in order to sealed this main circuit board on this substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510120162 CN1963429A (en) | 2005-11-08 | 2005-11-08 | Clamping device of circuit board and testing apparatus using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510120162 CN1963429A (en) | 2005-11-08 | 2005-11-08 | Clamping device of circuit board and testing apparatus using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1963429A true CN1963429A (en) | 2007-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510120162 Pending CN1963429A (en) | 2005-11-08 | 2005-11-08 | Clamping device of circuit board and testing apparatus using the same |
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| Country | Link |
|---|---|
| CN (1) | CN1963429A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680195A (en) * | 2012-05-14 | 2012-09-19 | 江苏中科梦兰电子科技有限公司 | Device and method for fixing printed circuit board assembly (PCBA) in vibration test |
| CN102818689A (en) * | 2011-06-09 | 2012-12-12 | 工业和信息化部电子第五研究所 | Universal fixture for vibration test for board-level circuits |
| CN103481297A (en) * | 2012-06-08 | 2014-01-01 | 株式会社安川电机 | Robot cell, assembling method of robot cell, and robot system |
| CN103487710A (en) * | 2012-06-13 | 2014-01-01 | 易鼎股份有限公司 | Circuit testing vibrating device |
| CN106324488A (en) * | 2016-11-23 | 2017-01-11 | 沈阳航天新光集团有限公司 | Testing system on assembly of printed-circuit board of automation equipment |
| CN106768759A (en) * | 2016-12-21 | 2017-05-31 | 江苏安纳金机械有限公司 | Vibration test positioning tool |
| CN106813888A (en) * | 2015-11-27 | 2017-06-09 | 环维电子(上海)有限公司 | Impact test module and its test board |
| CN109387771A (en) * | 2018-10-16 | 2019-02-26 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Fixture and test method for semiconductor integrated circuit particle encounter noise fest |
| CN109540436A (en) * | 2018-11-28 | 2019-03-29 | 广东工业大学 | For carrying out the automation equipment and detection method of anti-seismic performance detection to circuit board |
| CN109632226A (en) * | 2019-01-11 | 2019-04-16 | 北京长城华冠汽车科技股份有限公司 | Fitting device for wiring board vibration test |
| CN111948517A (en) * | 2020-08-14 | 2020-11-17 | 台州蓝锐机电科技有限公司 | New energy automobile electronic control circuit board test system and test method |
| CN112743476A (en) * | 2020-12-29 | 2021-05-04 | 北京无线电计量测试研究所 | Special frock clamp of crystal oscillator installation |
-
2005
- 2005-11-08 CN CN 200510120162 patent/CN1963429A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818689A (en) * | 2011-06-09 | 2012-12-12 | 工业和信息化部电子第五研究所 | Universal fixture for vibration test for board-level circuits |
| CN102818689B (en) * | 2011-06-09 | 2016-08-31 | 工业和信息化部电子第五研究所 | Board-level circuit General clamp for vibration test device |
| CN102680195A (en) * | 2012-05-14 | 2012-09-19 | 江苏中科梦兰电子科技有限公司 | Device and method for fixing printed circuit board assembly (PCBA) in vibration test |
| CN103481297A (en) * | 2012-06-08 | 2014-01-01 | 株式会社安川电机 | Robot cell, assembling method of robot cell, and robot system |
| CN103487710A (en) * | 2012-06-13 | 2014-01-01 | 易鼎股份有限公司 | Circuit testing vibrating device |
| CN106813888B (en) * | 2015-11-27 | 2019-01-04 | 环维电子(上海)有限公司 | Impact test module and its test board |
| CN106813888A (en) * | 2015-11-27 | 2017-06-09 | 环维电子(上海)有限公司 | Impact test module and its test board |
| CN106324488A (en) * | 2016-11-23 | 2017-01-11 | 沈阳航天新光集团有限公司 | Testing system on assembly of printed-circuit board of automation equipment |
| CN106768759A (en) * | 2016-12-21 | 2017-05-31 | 江苏安纳金机械有限公司 | Vibration test positioning tool |
| CN106768759B (en) * | 2016-12-21 | 2023-03-31 | 江苏安纳金机械有限公司 | Vibration test positioning tool |
| CN109387771A (en) * | 2018-10-16 | 2019-02-26 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Fixture and test method for semiconductor integrated circuit particle encounter noise fest |
| CN109387771B (en) * | 2018-10-16 | 2020-12-29 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Clamp for semiconductor integrated circuit particle impact noise test and test method |
| CN109540436A (en) * | 2018-11-28 | 2019-03-29 | 广东工业大学 | For carrying out the automation equipment and detection method of anti-seismic performance detection to circuit board |
| CN109540436B (en) * | 2018-11-28 | 2020-06-26 | 广东工业大学 | Automatic equipment and detection method for detecting anti-seismic performance of circuit board |
| CN109632226A (en) * | 2019-01-11 | 2019-04-16 | 北京长城华冠汽车科技股份有限公司 | Fitting device for wiring board vibration test |
| CN111948517A (en) * | 2020-08-14 | 2020-11-17 | 台州蓝锐机电科技有限公司 | New energy automobile electronic control circuit board test system and test method |
| CN111948517B (en) * | 2020-08-14 | 2021-03-16 | 上海欣项电子科技有限公司 | New energy automobile electronic control circuit board test system and test method |
| CN112743476A (en) * | 2020-12-29 | 2021-05-04 | 北京无线电计量测试研究所 | Special frock clamp of crystal oscillator installation |
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Open date: 20070516 |