CN102680195A - Device and method for fixing printed circuit board assembly (PCBA) in vibration test - Google Patents
Device and method for fixing printed circuit board assembly (PCBA) in vibration test Download PDFInfo
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- CN102680195A CN102680195A CN2012101476355A CN201210147635A CN102680195A CN 102680195 A CN102680195 A CN 102680195A CN 2012101476355 A CN2012101476355 A CN 2012101476355A CN 201210147635 A CN201210147635 A CN 201210147635A CN 102680195 A CN102680195 A CN 102680195A
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Abstract
The invention discloses a device for fixing a printed circuit board assembly (PCBA) in vibration test. The device comprises a plurality of fixing mechanisms, wherein each fixing mechanism comprises a base and a strut detachably fixed on the base, the base is detachably fixed on a vibrating table, one end of the strut is connected with the base, and the other end of the strut is connected with the PCBA. According to the device for fixing the PCBA in the vibration test, the fixing mechanisms are rigidly connected with each other and rigidly connected with the PCBA, so that the vibration test of a product can be conveniently implemented in three axial directions, the PCBA can run in a turn-on working state and is not limited by an external port, and different struts can be changed according to the size of screw holes in the PCBA; and the device is simple in structure and convenient to operate, and enables the simulation test to be real.
Description
Technical field
The present invention relates to a kind of grip device, relate to a kind of versatility anchor clamps and clamping means that are used for perpendicular to the fixedly PCBA plate of shaking table simulation three-axial vibration test specifically.
Background technology
In recent years,, played very big help, become the pilot project that the new product development initial stage must do for the raising of product quality performance along with the understanding of vibration test and the widespread use of raising and equipment.Along with the progress and the development of society, we also are greatly improved to requirement of products, and progressively move towards durable, and reliable, widely applicable direction develops.This also with regard to making us at the beginning of new product designs, will consider that need come in to problem, presses close to the actual use of product, the operating position of analog equipment under various ectocines.The loss ratio that vibration causes in most products accounts for 30% more, and this must have enough understandings and understanding with regard to requiring us to the vibration performance of product in development and production run, also just must do vibration test.
Vibration test comprises three axially; Actual product all possibly use in axially at these three in the middle of using; Different products is done different test tools can expend a lot of financial resources, and tool generally can block the external-connected port of PCBA plate, can't when vibration test, do the work of open state.
Summary of the invention
The technical matters that the present invention mainly solves provides the device that is used for fixing the PCBA plate in a kind of vibration test, can make different big or small PCBA plates do vibration test in working order down.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: the device that is used for fixing the PCBA plate in a kind of vibration test is provided; Comprise: plurality of fixed mechanism, said fixed mechanism comprises base and removably is fixed on the pillar on the base that said base is dismountable to be fixed on the shaking table; Said pillar one end is connected with base, and the other end is connected with the PCBA plate.
In preferred embodiment of the present invention, the parallel contact of said base with vibration table, said pillar is perpendicular to base; Be the L type, it is conical that said pillar is, and comprises bigger diameter end and miner diameter end; The bigger diameter end of said pillar is connected with base, and the miner diameter end of said pillar is connected with the PCBA plate.
In preferred embodiment of the present invention, be arranged with some mounting holes on the said shaking table, said base comprises strip installation groove, the mounting hole diameter is suitable on said installation groove width and the shaking table.
In preferred embodiment of the present invention, said fixed mechanism comprises a plurality of pillars, and pillar miner diameter end size is different between the same group of pillar in same fixed mechanism.
In preferred embodiment of the present invention, the miner diameter end of said pillar has a connecting hole, and the miner diameter end of said pillar is connected fixing with the PCBA plate through web member.
In preferred embodiment of the present invention, the connecting hole size of pillar miner diameter end is different between the same group of pillar in same fixed mechanism.
In preferred embodiment of the present invention, pass through bolt between said base and the pillar.
Another object of the present invention is the method that is used for fixing the PCBA plate in a kind of vibration test is provided, and concrete steps comprise:
(100), be equipped with plurality of fixed mechanism, said fixed mechanism comprises base and removably is fixed on the pillar on the base;
(200), choose the point of fixity on the PCBA plate, confirm the quantity of required fixed mechanism according to the quantity of point of fixity; The pillar of fixed mechanism is connected with the PCBA plate;
(300), confirm the direction of vibration and putting position of PCBA plate after, choose suitable stationkeeping base at vibration table;
(400), the pillar of fastening fixing mechanism and PCBA plate.
In preferred embodiment of the present invention; In the said step (100), said fixed mechanism comprises a plurality of pillars, and said pillar miner diameter end has a connecting hole; The connecting hole of different pillars big or small different chosen pillar corresponding with it according to the size that is mainly used in fixing threaded hole on the PCBA plate; The principle of choosing is the big or small identical of connecting hole on size and the pillar of fixing threaded hole, and the pillar of choosing is fixed on the base.
In preferred embodiment of the present invention, in the step (200), the principle of choosing the point of fixity on the PCBA plate is that distance is suitable between point of fixity and the point of fixity.
The invention has the beneficial effects as follows: be used for fixing the device of PCBA plate in the vibration test of the present invention, through between the fixed mechanism and and the PCBA plate between be rigidly connected, can easily be to do vibration test at three on axially at product; And the PCBA plate moves under the start duty; Do not receive the restriction of external-connected port, can change different pillars yet with screw size on the PCBA plate, simple in structure; Easy to operate, can make simulation test truer.
Description of drawings
Fig. 1 is the structural representation of fixed mechanism one preferred embodiment of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a fixed mechanism of the present invention structural representation when using.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1 to Fig. 3, the embodiment of the invention comprises:
Be used for fixing the device of PCBA plate in a kind of vibration test, comprise: plurality of fixed mechanism 1, several fixed mechanisms 1 cooperations are fixed on PCBA plate 3 on the shaking table 2 vacantly.
Said fixed mechanism 1 comprises base 11 and removably is fixed on the pillar 12 on the base 11, and said base 11 is elongated, and an end has a mounting hole, comprises that also a strip installs groove 111, and said installation groove 111 accounts for 3/4ths of base length; It is conical that said pillar 12 is, and the bigger diameter end of said pillar 12 has an installing blind, and the miner diameter end of said pillar 12 has a connecting hole 122.
Be fixed on the said base 11 through the bigger diameter end of web members such as bolt, and said bearing 12 makes fixed mechanism be " L type " perpendicular to base 11, said pillar miner diameter end is connected fixing with PCBA plate 3 through web members such as screws with said pillar 12; Said base 11 is fixed on the shaking table 2 through web members such as screw are dismountable; 2 parallel contacts of said base 11 and shaking table; Be arranged with some mounting holes 21 on the said shaking table 2, mounting hole 21 diameters are suitable on said installation groove 111 width and the shaking table 2.Be proof strength, said base 11 all adopts plow-steel to process with pillar 12.
Preferably, said fixed mechanism comprises the pillar of different size specification, and pillar path section size has nothing in common with each other between the same group of pillar in same fixed mechanism.
The concrete installation method of device that is used for fixing the PCBA plate in the vibration test of the present invention is following:
1, chooses pillar corresponding according to the size that is mainly used in fixing threaded hole on the PCBA plate with it; The quantity of confirming screw on the PCBA plate is confirmed the quantity of required fixed mechanism again; The pillar of choosing is linked to each other through bolt with base, and guarantee not tighten and can become flexible.
2, the point of fixity of choosing on the PCBA plate has two principles: one, distance equates as far as possible between points; Evenly distribute; Can guarantee PCBA plate each zone of plank stressed evenly (can manually punch in case of necessity, guarantee the finiteness of vibration test) in vibration processes like this.Two, the quantity of selected point is suitable best, can influence the fixing scope of choosing of base too much, can influence the unbalance stress of PCBA plate very little.PCBA plate has and does not wait a screw, chooses periphery and middle several main screwhole positions fix.
3, one on the pillar of the fixed mechanism that connects is linked to each other with the PCBA plate through bolt, before base does not fix with vibration table, do not tighten; After confirming the direction of vibration and putting position of PCBA plate, choose suitable position, as far as possible near the many places of middle screw at vibration table.
4, support PCBA plate and vibration table laid parallel through fixed mechanism; Base portion is chosen suitable point of fixity through swing up and down, will have two point of fixity to fix at least, and this moment, the length of base was particularly important with regard to what show; Each base is every to be selected after with a bolt for what a suitable fixed position, but does not tighten; Treat all bases all after correct position sets the back and has a bolt to be used for fixing, confirm that once more PCBA plate on the pillar does not receive the traction of external force.
5, the bolt on the firm banking and tightening, fixing at least two bolts tight a bolt (the nut size of bolt and the horizontal junction area in top of pillar equate that assurance can not have influence on other components and parts) guaranteeing that PCBA plate on the pillar does not receive under the traction of external force.Fixing back guarantees do not have the space between PCBA plate and the pillar.At this moment but external power supply and data line are guaranteed the work of can starting shooting, and fixed power source and data line make it can bear the influence that vibration brings, and guarantee can not influence the PCBA plate.
Stationary installation of the present invention and fixing means make the PCBA plate can be rigidly attached to vibration or impact table top with crossing fixed mechanism; Can make that external force is unreserved to be transferred on the PCBA plate through fixed mechanism; In the time of vibration and impact, all right external data line can make it accept the test of external force in working order down; Make the result reliable more true, better repeatability is arranged.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the device that is used for fixing the PCBA plate in the vibration test; It is characterized in that; Comprise: plurality of fixed mechanism, said fixed mechanism comprises base and removably is fixed on the pillar on the base that said base is dismountable to be fixed on the shaking table; Said pillar one end is connected with base, and the other end is connected with the PCBA plate.
2. be used for fixing the device of PCBA plate in the vibration test according to claim 1, it is characterized in that, the parallel contact of said base with vibration table; Said pillar is perpendicular to base; Be the L type, it is conical that said pillar is, and comprises bigger diameter end and miner diameter end; The bigger diameter end of said pillar is connected with base, and the miner diameter end of said pillar is connected with the PCBA plate.
3. the device that is used for fixing the PCBA plate in the vibration test according to claim 1; It is characterized in that; Be arranged with some mounting holes on the said shaking table, said base comprises strip installation groove, and the mounting hole diameter is suitable on said installation groove width and the shaking table.
4. be used for fixing the device of PCBA plate in the vibration test according to claim 1, it is characterized in that, said fixed mechanism comprises a plurality of pillars, and pillar miner diameter end size is different between the same group of pillar in same fixed mechanism.
5. be used for fixing the device of PCBA plate in the vibration test according to claim 4, it is characterized in that, the miner diameter end of said pillar has a connecting hole, and the miner diameter end of said pillar is connected fixing with the PCBA plate through web member.
6. be used for fixing the device of PCBA plate in the vibration test according to claim 5, it is characterized in that, the connecting hole size of pillar miner diameter end is different between the same group of pillar in same fixed mechanism.
7. be used for fixing the device of PCBA plate in the vibration test according to claim 1, it is characterized in that, pass through bolt between said base and the pillar.
8. be used for fixing the method for PCBA plate in the vibration test, it is characterized in that concrete steps comprise:
(100), be equipped with plurality of fixed mechanism, said fixed mechanism comprises base and removably is fixed on the pillar on the base;
(200), choose the point of fixity on the PCBA plate, confirm the quantity of required fixed mechanism according to the quantity of point of fixity; The pillar of fixed mechanism is connected with the PCBA plate;
(300), confirm the direction of vibration and putting position of PCBA plate after, choose suitable stationkeeping base at vibration table;
(400), the pillar of fastening fixing mechanism and PCBA plate.
9. the method that is used for fixing the PCBA plate in the vibration test according to claim 8; It is characterized in that; In the said step (100), said fixed mechanism comprises a plurality of pillars, and said pillar miner diameter end has a connecting hole; The connecting hole of different pillars big or small different chosen pillar corresponding with it according to the size that is mainly used in fixing threaded hole on the PCBA plate; The principle of choosing is the big or small identical of connecting hole on size and the pillar of fixing threaded hole, and the pillar of choosing is fixed on the base.
10. be used for fixing the method for PCBA plate in the vibration test according to claim 8, it is characterized in that, in the step (200), the principle of choosing the point of fixity on the PCBA plate is that distance is suitable between point of fixity and the point of fixity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101476355A CN102680195A (en) | 2012-05-14 | 2012-05-14 | Device and method for fixing printed circuit board assembly (PCBA) in vibration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101476355A CN102680195A (en) | 2012-05-14 | 2012-05-14 | Device and method for fixing printed circuit board assembly (PCBA) in vibration test |
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| CN102680195A true CN102680195A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101476355A Pending CN102680195A (en) | 2012-05-14 | 2012-05-14 | Device and method for fixing printed circuit board assembly (PCBA) in vibration test |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063387A (en) * | 2012-12-25 | 2013-04-24 | 苏州长菱测试技术有限公司 | System and method for vibration testing of elastic template |
| CN104236832A (en) * | 2014-09-23 | 2014-12-24 | 工业和信息化部电子第五研究所 | Micro assembly component vibration test clamp and micro assembly component vibration test model |
| TWI486608B (en) * | 2013-04-16 | 2015-06-01 | Fih Hong Kong Ltd | Test device for printed circuit board |
| CN105486475A (en) * | 2016-01-25 | 2016-04-13 | 系新电子技术（苏州）有限公司 | Self-absorption high frequency vibrating device used for detection |
| CN107238402A (en) * | 2017-07-28 | 2017-10-10 | 西华师范大学 | A kind of suspended-type water quality monitoring instrument fixing device |
| CN110487500A (en) * | 2019-09-11 | 2019-11-22 | 南京国电南自电网自动化有限公司 | A kind of PCBA vibration test fixture and method |
Citations (5)
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|---|---|---|---|---|
| JPH01194497A (en) * | 1988-01-29 | 1989-08-04 | Tanaka Kikinzoku Kogyo Kk | Jig for plating printed wiring board |
| WO2004029574A1 (en) * | 2002-09-24 | 2004-04-08 | Fujitsu Limited | Distortion waveform control device, distortion regulating member, distorton waveform control method of distortion waveform control device, and distortion waveform control program |
| CN1963429A (en) * | 2005-11-08 | 2007-05-16 | 华硕电脑股份有限公司 | Clamping device of circuit board and testing apparatus using the same |
| CN102410917A (en) * | 2011-12-12 | 2012-04-11 | 浙江大学 | Clamp device of two-shaft synchronous vibration table |
| CN202208940U (en) * | 2011-08-11 | 2012-05-02 | 岳立辉 | Detachable base support of excavator |
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2012
- 2012-05-14 CN CN2012101476355A patent/CN102680195A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01194497A (en) * | 1988-01-29 | 1989-08-04 | Tanaka Kikinzoku Kogyo Kk | Jig for plating printed wiring board |
| WO2004029574A1 (en) * | 2002-09-24 | 2004-04-08 | Fujitsu Limited | Distortion waveform control device, distortion regulating member, distorton waveform control method of distortion waveform control device, and distortion waveform control program |
| CN1963429A (en) * | 2005-11-08 | 2007-05-16 | 华硕电脑股份有限公司 | Clamping device of circuit board and testing apparatus using the same |
| CN202208940U (en) * | 2011-08-11 | 2012-05-02 | 岳立辉 | Detachable base support of excavator |
| CN102410917A (en) * | 2011-12-12 | 2012-04-11 | 浙江大学 | Clamp device of two-shaft synchronous vibration table |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063387A (en) * | 2012-12-25 | 2013-04-24 | 苏州长菱测试技术有限公司 | System and method for vibration testing of elastic template |
| CN103063387B (en) * | 2012-12-25 | 2015-11-18 | 苏州长菱测试技术有限公司 | The vibration test system of elastic sheet and method |
| TWI486608B (en) * | 2013-04-16 | 2015-06-01 | Fih Hong Kong Ltd | Test device for printed circuit board |
| CN104236832A (en) * | 2014-09-23 | 2014-12-24 | 工业和信息化部电子第五研究所 | Micro assembly component vibration test clamp and micro assembly component vibration test model |
| CN105486475A (en) * | 2016-01-25 | 2016-04-13 | 系新电子技术（苏州）有限公司 | Self-absorption high frequency vibrating device used for detection |
| CN107238402A (en) * | 2017-07-28 | 2017-10-10 | 西华师范大学 | A kind of suspended-type water quality monitoring instrument fixing device |
| CN107238402B (en) * | 2017-07-28 | 2023-07-28 | 西华师范大学 | Fixing device for suspension type water quality monitoring instrument |
| CN110487500A (en) * | 2019-09-11 | 2019-11-22 | 南京国电南自电网自动化有限公司 | A kind of PCBA vibration test fixture and method |
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Application publication date: 20120919 |