CN102818689B - Board-level circuit General clamp for vibration test device - Google Patents
Board-level circuit General clamp for vibration test device Download PDFInfo
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- CN102818689B CN102818689B CN201110153131.XA CN201110153131A CN102818689B CN 102818689 B CN102818689 B CN 102818689B CN 201110153131 A CN201110153131 A CN 201110153131A CN 102818689 B CN102818689 B CN 102818689B
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Abstract
The invention discloses a kind of board-level circuit General clamp for vibration test device, including one piece of base plate, two pieces of adjustable plates, four pieces of clamping plates and four block pressur plates, described base plate, adjustable plate, clamping plate splice mutually with pressing plate.The present invention can easily by different specification size, different structure (one side or two-sided) PCBA secure placement on vibration table surface, guarantee test sample vibrates on axial (X/Y/Z) of regulation, and ensures that the motion of vibration table can correctly pass to test specimen.This grip device contributes to board-level circuit vibration test and carries out conveniently, efficiently and obtain result of the test accurately, contributes to effectively judging the ability whether PCBA can stand various ambient vibration.
Description
Technical field
The present invention relates to board-level circuit vibration testing device, particularly relate to a kind of Universal clamp device.
Background technology
The industry that board-level circuit (PCBA) is applied widely, including information class: ultra-large type computer, micro-electricity
Brain, notebook computer, desktop computer, automotive control system, Electronic Assemblies etc.；Communication class: communication network
Network system, mobile phone, world-wide web, data wire etc.；Consumer products: electronic toy, television set, radio reception
Machine, DVR, printer etc..Board-level circuit structure composition complexity, include various electronic devices and components and
Circuit, will complete various sophisticated functions, and its manufacturing process is mainly solder interconnections technique.In order to investigate plate level
The anti-vibration of solder joint on circuit, impact property (mechanical strength), whether inspection solder joint exists rosin joint dry joint, keeps away
Exempt from the product that product causes because of empty, dry joint after shipment bad, need board-level circuit is vibrated
Test.
The various oscillation rings that vibration test is suffered from transportation, installation and use environment for artificial product
Border affects, and thereby test judges whether product can stand the ability of various ambient vibration.Owing to PCBA is carried out
During vibration test, it is impossible to be directly firmly seated on vibration table, therefore, conventional method is test every time
Time for each piece of PCBA board design, make special fixture, in order to by PCBA circuit board securely
It is placed on the table top of vibration table.But, owing to PCBA includes single sided circuits and double-sided circuit, and circuit
Electronic devices and components and the volume of circuit on the area of plate, plate are different, cause for different PCBA electricity
Road plate, needs to design numerous different fixture, and each test all makes corresponding fixture, the most time-consumingly, consumes
Power, and the management to numerous fixtures is the most inconvenient.Also have some traditional methods to save trouble, directly take
Heavier aluminum strip or steel ingot are pressed on PCBA corner and play fixation, but aluminum strip or steel ingot can not be reliable
Clamping circuit board, in vibration processes, PCBA inevitably moves around, and PCBA may be introduced volume
Outer damage, the most not necessarily can fit tightly with vibration table, causes the motion of vibration table correctly not transmit
On PCBA, the accuracy of result of the test will be had a greatly reduced quality.And, there is electronics unit for circuit board two sides
For the PCBA of device and circuit, this way is the most inadvisable.
Summary of the invention
For the shortcoming of prior art, it is an object of the invention to provide a kind of board-level circuit vibration test general-purpose folder
Tool device, it is adaptable to different specification size, the board-level circuit of single-side/double-side, solves in prior art plate level
Lack because of fixture when circuit carries out vibration test or improper and cause that vibration test result is inaccurate asks
Topic.
To achieve these goals, the technical scheme is that a kind of board-level circuit General clamp for vibration test
Device, it is characterised in that include one piece of base plate, two pieces of adjustable plates, four pieces of clamping plates and four block pressur plates, institute
State base plate, adjustable plate, clamping plate splice mutually with pressing plate.
Preferably, described base plate is provided with four " convex " font grooves, described adjustable plate is provided with two
" convex " font groove, described clamping plate is " L " shape, and described pressing plate is rectangle.
Preferably, four " convex " font grooves on described base plate divide two row distributions, and often row two becomes yi word pattern
Discharge, adjustable plate digs the through hole of two, bolt from bottom to up through base plate " convex " type groove and
Through hole in adjustable plate, realizes the connection between adjustable plate and base plate with pad and nut lockk bolt；Described
" convex " distribution of font groove becomes yi word pattern discharge on adjustable plate two on the same line, digs in clamping plate
Having two through holes, bolt through the through hole in " convex " type groove and clamping plate of adjustable plate, is used from bottom to up
Pad and nut lockk bolt realize the connection between adjustable plate and clamping plate.
Preferably, four angles of circuit board embed the gap between L-type clamping plate and pressing plate, utilize long stove bolt
Determining the space length between pressing plate and clamping plate and be locked, short and small bolt is solid in order to locking further
Fixed.
Preferably, the fragment of some circuit boards is filled in the space between clamping plate and pressing plate, then bolt is tightened.
Preferably, the fragment of circuit board is the same thick or slightly wider with the circuit board of test.
Compared with prior art, the present invention can easily by different specification size, different structure (one side or
Person is two-sided) PCBA secure placement is on vibration table surface, it is ensured that and test specimen is at axial (X/Y/Z) of regulation
On vibrate, and ensure vibration table motion can correctly pass to test specimen.This grip device helps
Carry out conveniently, efficiently in board-level circuit vibration test and obtain result of the test accurately, contributing to effectively
Judge whether PCBA can stand the ability of various ambient vibration.
Accompanying drawing explanation
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the base arrangement schematic diagram of the present invention.
Fig. 3 is the adjustable plate structural representation of the present invention.
Fig. 4 is the clamping plate structural representation of the present invention.
Fig. 5 is the pressure plate structure schematic diagram of the present invention.
Fig. 6 is the M8 bolt arrangement schematic diagram of the present invention.
Detailed description of the invention
Referring to Fig. 1 to Fig. 6, the board-level circuit General clamp for vibration test device of the present embodiment includes having dug 4
The base plate of bar " convex " font groove 101 1 pieces, dig the adjustable plate 102 liang of two " convex " font grooves
Block, the clamping plate 103 4 pieces of L shape, rectangular platen 104 4 pieces, 201 8, M8 bolt, long M4 spiral shell
202 two, bolt, 203 two, short M4 bolt.M8 bolt 201 is from the bottom to top through " convex " of base plate 101
Through hole corresponding in type groove and adjustable plate 102, bolt tail is by pad and nut alignment and tightens fixing,
Realize connection between the two.M8 bolt 201 from the bottom to top through adjustable plate 102 " convex " type groove and
Through hole corresponding in clamping plate 103, bolt tail is by pad and nut alignment and tightens fixing, it is achieved both
Between connection.M8 bolt 201 can " convex " in font groove at base plate 101 or adjustable plate 102
Move freely, conveniently adjust position according to the size of PCBA board, make this fixture be adapted to act as numerous
Fixture during the different PCBA vibration test of specification.Adjustable plate 102, clamping plate 103 and base plate 101
Between space length, making this fixture be also applied for circuit board both sides has electronic devices and components or circuit
PCBA carries out vibration test.The material of base plate 101 and adjustable plate 102 is duralumin, clamping plate 103 and pressing plate
(104) material is half duralumin, makes this fixture have enough rigidity, it is ensured that the motion of vibration table can be correct
Pass to test specimen.
When utilizing this grip device clamping board-level circuit (PCBA) to carry out vibration test, concrete operations are as follows:
(1) edge lengths of PCBA circuit board or width are by joining between adjustable plate 102 and clamping plate 103
Close and determined." convex " (distribution becomes one to font groove on adjustable plate 102 two on the same line
Font discharge), L-type clamping plate 103 digs the through hole of two a diameter of 10mm, M8 bolt 201 under
Through hole in supreme " convex " type groove through adjustable plate 102 and clamping plate 103, afterwards with pad and spiral shell
Female clamping screw realizes the connection between adjustable plate 102 and clamping plate 103.Area according to PCBA circuit board
Size, can the flexible M8 bolt 201 position in adjustable plate 102 groove by nut check, determine
The clamping plate 103 position on adjustable plate 102.Distance between two pieces of L-type clamping plates 103 is namely
One edge lengths of PCBA circuit board or width.
(2) the other edge lengths of PCBA circuit board or width are by between base plate 101 and adjustable plate 102
Coordinate and determined.Four " convex " font grooves (point 2 row distributions, often row 2 dug on base plate 101
Bar becomes yi word pattern to discharge), the through hole of two a diameter of 10mm that adjustable plate 102 digs, M8 bolt 201
From bottom to up through the through hole in " convex " type groove of base plate 101 and adjustable plate 102, afterwards with pad and
Nut lockk bolt realizes the connection between adjustable plate 102 and base plate 101.Area according to PCBA circuit board
Size, can the flexible M8 bolt 201 position in base plate 101 groove by nut check, it is determined that
The adjustable plate 102 position on base plate 101.Distance between two pieces of adjustable plates 102 i.e. PCBA circuit
An other edge lengths of plate or width.
(3) four angles of PCBA circuit board are embedded the gap between L-type clamping plate 103 and pressing plate 104, so
Rear long M4 stove bolt 202 is utilized to determine the space length between pressing plate 104 and clamping plate 103 and lock solid
Fixed, short M4 stove bolt 203 is in order to be locked further.In order to make clamping effect more preferable, can additionally cut
The fragment (can be the same thick or slightly wider with the PCBA circuit board of test) of a little circuit boards, fills in folder
Tight space between plate 103 and pressing plate 104, then M4 bolt is tightened, play balanced action and strengthen clamping effect
Really.
When replacing PCBA carries out vibration test, it is only necessary to each bolt acting the effect of being locked is unclamped respectively,
Take out former PCBA and change new, further according to above-mentioned steps (1)～the operation of (3).
Advantages of the present invention is as follows: during (1) vibration test, board-level circuit can be firmly seated in by this fixture
On vibration table surface；(2) during vibration test, this fixture can guarantee that the board-level circuit axial (X/Y/Z) in regulation
On vibrate；(3) the main material of this fixture is duralumin, half duralumin, rustless steel, has enough firm
Degree, it is ensured that the motion of vibration table can correctly pass to board-level circuit；(4) fixture exists together with test specimen
It is symmetrical in Mass Distribution, unbalanced load can be made to be minimized；(5) different size specification it is suitably adapted for
Board-level circuit, maximum area is about 1380cm2: minimum area is about 160cm2；(5) it is suitably adapted for electricity
Circuit board double sided have the board-level circuit of components and parts or circuit (simultaneously for plug-in installation form or plug+table
Patch installation form, additionally one side are Surface Mount installation form) carry out vibration test, permitting towards vibration table side
Being permitted is the most a maximum of about of 3cm；(6) removably method of attachment is used so that this fixture easy and simple to handle, more
Change the operation that circuit board carries out testing the most simple.
Claims (5)
1. a board-level circuit General clamp for vibration test device, it is characterised in that include one piece of base plate, two pieces of adjustable plates,
Four pieces of clamping plates and four block pressur plates, described base plate, adjustable plate, clamping plate splice mutually with pressing plate, in institute
State base plate and be provided with four " convex " font grooves, described adjustable plate is provided with two " convex " font grooves, described clamping plate
For " L " shape, described pressing plate is rectangle, and four " convex " font grooves on described base plate divide two row distributions, often row two one-tenth
Yi word pattern discharges, and digs the through hole of two on adjustable plate, and bolt is from bottom to up through " convex " type groove and the regulation of base plate
Through hole in plate, realizes the connection between adjustable plate and base plate, two on described adjustable plate with pad and nut lockk bolt
Bar " convex " font groove distribution on the same line become yi word pattern discharge, clamping plate has dug two through holes, bolt from down to
On through the through hole in " convex " type groove and clamping plate of adjustable plate, realize adjustable plate and folder with pad and nut lockk bolt
Connection between tight plate.
Board-level circuit General clamp for vibration test device the most according to claim 1, it is characterised in that circuit board
Four angles embed the gap between L-type clamping plate and pressing plate, utilize long stove bolt to determine the sky between pressing plate and clamping plate
Spacing is also locked, and short and small bolt is in order to be locked further.
Board-level circuit General clamp for vibration test device the most according to claim 2, it is characterised in that by some electricity
The fragment of road plate fills in the space between clamping plate and pressing plate, then is tightened by bolt.
Board-level circuit General clamp for vibration test device the most according to claim 3, it is characterised in that circuit board broken
Sheet is the same thick or slightly wider with the circuit board of test.
Board-level circuit General clamp for vibration test device the most according to claim 1, it is characterised in that base plate and tune
The material that material is duralumin, clamping plate and pressing plate of joint plate is half duralumin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110153131.XA CN102818689B (en) | 2011-06-09 | 2011-06-09 | Board-level circuit General clamp for vibration test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110153131.XA CN102818689B (en) | 2011-06-09 | 2011-06-09 | Board-level circuit General clamp for vibration test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102818689A CN102818689A (en) | 2012-12-12 |
| CN102818689B true CN102818689B (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110153131.XA Active CN102818689B (en) | 2011-06-09 | 2011-06-09 | Board-level circuit General clamp for vibration test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102818689B (en) |
Families Citing this family (12)
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| CN104236832B (en) * | 2014-09-23 | 2017-01-11 | 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 |
| CN105628318A (en) * | 2016-01-25 | 2016-06-01 | 系新电子技术（苏州）有限公司 | Magnetic attraction vibration device |
| 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 |
| CN107356390A (en) * | 2017-08-15 | 2017-11-17 | 大连理工大学 | A kind of thin plate vibration laboratory holder |
| CN107727349A (en) * | 2017-11-20 | 2018-02-23 | 广州大学 | A kind of fixture for testing plate vibration performance |
| CN109946033B (en) * | 2019-01-04 | 2024-01-26 | 吉林省电子信息产品检验研究院 | Three-dimensional vibration test fixture for tablet personal computer and mobile phone |
| 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 |
| CN110487500B (en) * | 2019-09-11 | 2024-08-16 | 南京国电南自电网自动化有限公司 | PCBA vibration test fixture and method |
| CN111006832A (en) * | 2019-12-30 | 2020-04-14 | 长沙万为机器人有限公司 | Universal clamp for circuit board of vibration test board and use method thereof |
| CN111896778B (en) * | 2020-07-15 | 2023-05-26 | 中车株洲电力机车研究所有限公司 | HALT test fixture for PCBA plug-in and mounting method |
| CN112539901A (en) * | 2020-11-05 | 2021-03-23 | 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 and clamping method |
| CN115824947B (en) * | 2023-02-20 | 2023-06-30 | 荣耀终端有限公司 | Constitutive parameter verification device for viscoelastic material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2007069336A1 (en) * | 2005-12-16 | 2007-06-21 | Fujitsu Limited | Impact test device |
| CN201207014Y (en) * | 2008-03-31 | 2009-03-11 | 熊猫电子集团有限公司 | Single plate vibration test cramp for satellite communication module |
| CN101608902A (en) * | 2008-06-20 | 2009-12-23 | 苏州明富自动化设备有限公司 | A kind of pcb board clamping device |
| CN101696928A (en) * | 2009-09-30 | 2010-04-21 | 苏州明富自动化设备有限公司 | Fixing device of optical detector |
| CN201707185U (en) * | 2010-05-31 | 2011-01-12 | 宜特科技(昆山)电子有限公司 | Stationary fixture for PCB vibration and impact test |
-
2011
- 2011-06-09 CN CN201110153131.XA patent/CN102818689B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2007069336A1 (en) * | 2005-12-16 | 2007-06-21 | Fujitsu Limited | Impact test device |
| CN201207014Y (en) * | 2008-03-31 | 2009-03-11 | 熊猫电子集团有限公司 | Single plate vibration test cramp for satellite communication module |
| CN101608902A (en) * | 2008-06-20 | 2009-12-23 | 苏州明富自动化设备有限公司 | A kind of pcb board clamping device |
| CN101696928A (en) * | 2009-09-30 | 2010-04-21 | 苏州明富自动化设备有限公司 | Fixing device of optical detector |
| CN201707185U (en) * | 2010-05-31 | 2011-01-12 | 宜特科技(昆山)电子有限公司 | Stationary fixture for PCB vibration and impact test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102818689A (en) | 2012-12-12 |
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Address after: No. 78, Zhucun Avenue West, Zhucun street, Zengcheng District, Guangzhou, Guangdong 511300 Patentee after: CHINA ELECTRONIC PRODUCT RELIABILITY AND ENVIRONMENTAL TESTING Research Institute (THE FIFTH ELECTRONIC Research Institute OF MIIT)(CEPREI LABORATORY)) Address before: 510610 No. 110 Zhuang Road, Tianhe District, Guangdong, Guangzhou, Dongguan Patentee before: Fifth Electronics Research Institute of Ministry of Industry and Information Technology |