CN210347047U - PCBA vibration test anchor clamps - Google Patents
PCBA vibration test anchor clamps Download PDFInfo
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- CN210347047U CN210347047U CN201921509804.9U CN201921509804U CN210347047U CN 210347047 U CN210347047 U CN 210347047U CN 201921509804 U CN201921509804 U CN 201921509804U CN 210347047 U CN210347047 U CN 210347047U
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- guide rail
- anchor clamps
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Abstract
The utility model discloses a PCBA vibration test anchor clamps of anti vibration test detection technical field aims at solving among the prior art because do not have the vibration test anchor clamps that are used for the PCBA plug-in components specially, therefore can only carry out the complete machine experiment to the secondary equipment product, and can't carry out vibration test's technical problem to the PCBA plug-in components. The fixture comprises a vibration fixture box, wherein a plug-in panel and a mother board which are oppositely arranged are fixedly connected in the vibration fixture box, the plug-in panel is detachably connected with the vibration fixture box, a connector female head is arranged on the mother board towards the plug-in panel, and the connector female head is matched with a connector male head of the PCBA board.
Description
Technical Field
The utility model relates to a PCBA vibration test anchor clamps belongs to the experimental detection technology field of anti vibration.
Background
The housing is one of the main structural forms of the secondary device, and the interior of the housing is formed by a large number of PCBA (printed circuit board assembly) inserts. The PCBA plug-in is used as a basic unit of the case, and is related to the realization of functions of secondary equipment protection, sampling, communication, man-machine communication and the like and the safe operation of the intelligent substation, so that the reliability and the stability of the PCBA plug-in are very important.
The vibration may adversely affect the quality of the product, and mainly includes: (1) structural damage such as structural deformation, product cracking or breakage; (2) the product has failure function or over-poor performance, such as poor contact, misoperation of a relay and the like; (3) and (4) technological damage, such as loosening of screws or connecting pieces and welding failure. In recent years, with the popularization of a new-generation intelligent substation and the planning of a third-generation intelligent substation, higher requirements are put forward on the performance of a secondary equipment product for resisting various extremely severe environments such as climate, electromagnetism and machinery.
The vibration test is a method for simulating various vibration environment influences of a product in Transportation, Installation and Use environments, mainly comprises environmental simulation, and test parameters comprise a frequency range, a vibration amplitude and test duration to determine whether the product can bear various environmental vibrations. However, the conventional vibration, impact and collision test objects are secondary equipment products, and a vibration test clamp specially used for the PCBA plug-in is not available for a while.
The whole machine test is carried out to verify the reliability of the product, and the criterion is that the product has normal function and no mechanical damage. If the complete machine fails to pass the test, the plug-in or other structures need to be changed again, then the test is carried out again, and the preparation period is long. Because only the vibration test of the whole machine is carried out, and the PCBA plug-in unit as an internal component is not tested, the necessary process monitoring is lacked, so that flaws exist on the evaluation of the vibration resistance performance of the whole machine of the product, and the improvement of the reliability and the stability of the product is not facilitated.
SUMMERY OF THE UTILITY MODEL
An insufficient to prior art, the utility model aims to provide a PCBA vibration test anchor clamps to solve among the prior art because do not have the vibration test anchor clamps that are used for the PCBA plug-in components specially, therefore can only carry out the complete machine experiment to the secondary equipment product, and can't carry out vibration test's technical problem to the PCBA plug-in components.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a PCBA vibration test anchor clamps, includes the vibration anchor clamps case, the plug-in components panel and the mother board that vibration anchor clamps incasement fixedly connected with subtend laid, the plug-in components panel can be dismantled with the vibration anchor clamps case and be connected, the mother board simultaneously is equipped with the female head of connector towards plug-in components panel, the female head of connector and the public first looks adaptation of connector of PCBA board.
Furthermore, one or two guide rails are fixedly connected in the vibration clamp box, the axial direction of each guide rail is perpendicular to the plug-in board panel, and the guide rails are positioned on the upper edge or/and the lower edge of the plug-in board panel and the motherboard.
Further, the guide rail is detachably connected with the vibration clamp box.
Further, still fixedly connected with one pair of or two pairs of guide rail mounting bars in the vibration anchor clamps incasement, every pair of guide rail mounting bar subtend is laid, the guide rail passes through the guide rail mounting bar and can dismantle with the vibration anchor clamps case and be connected.
Further, the guide rail mounting bar is detachably connected with the vibration clamp box.
Further, the bottom surface or/and the side surface of the vibration clamp box is/are provided with vibration fixing holes.
Further, the motherboard is detachably connected with the vibration clamp box.
Compared with the prior art, the utility model discloses the beneficial effect who reaches: the plug-in panel, the guide rail and the mother board are fixedly connected in the vibration clamp box, and the connection structure of the PCBA plug-in and the case in the secondary equipment product is completely simulated; the bottom surface and the side surface of the vibration clamp box are provided with vibration fixing holes for connecting a vibration table, and vibration, impact and collision tests in at least 2 directions can be performed by matching the vibration table; the plug-in board panel, the guide rail, the mother board and the vibration fixture box are detachably connected, so that the influence of each component on the vibration resistance of the PCBA plug-in board in vibration, impact and collision tests can be conveniently researched, and key factors influencing the vibration, impact and collision characteristics can be obtained in the tests. Utilize the utility model discloses anchor clamps can in time acquire PCBA's mechanical characteristic and in time improve at secondary equipment product design initial stage to reduce and even avoid the problem that the product design later stage leads to because of PCBA plug-in components.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the clamp of the present invention;
figure 2 is a front view of an embodiment of the clamp of the present invention;
figure 3 is a left side view of an embodiment of the clamp of the present invention;
figure 4 is a top view of an embodiment of the clamp of the present invention.
In the figure: 1. vibrating the fixture box; 11. vibrating the fixing hole; 2. a card panel; 3. a guide rail; 4. a guide rail mounting bar; 5. a motherboard; 51. a connector female; 6. PCBA board; 61. a connector male; 7. mounting screws on the motherboard; 71. a plug-in mounting screw; 72. and mounting screws on the guide rails.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, which is a schematic view of the overall structure of an embodiment of the clamp of the present invention, a vibration test clamp for a PCBA comprises a vibration clamp box 1, wherein a plug-in panel 2, a guide rail 3 and a motherboard 5 are fixedly connected in the vibration clamp box 1, the plug-in panel 2 is used for installing and fixing a PCBA board 6, and the PCBA board 6 is connected to the inner side of the plug-in panel 2 through screws; the motherboard 5 and the plug-in panel 2 are oppositely arranged, one surface of the motherboard 5 facing the plug-in panel 2 is provided with a connector female head 51 matched with the connector male head 61 of the PCBA board 6, and the connector female head 51 is used for plugging the connector male head 61 of the PCBA board 6; the guide rails 3 are axially vertical to the plug-in board 2, so that the axial direction of the guide rails 3 is consistent with the moving direction of the PCBA 6 to the connector female head 51 after the PCBA is inserted into the vibration fixture box 1, two guide rails 3 are arranged, one guide rail 3 is positioned at the upper edges of the plug-in board 2 and the motherboard 5, the other guide rail 3 is positioned at the lower edges of the plug-in board 2 and the motherboard 5, and the guide rails 3 play a role in guiding the PCBA 6 inserted into the vibration fixture box 1 so as to ensure that the connector male head 61 of the PCBA 6 is accurately inserted into the connector female head 51 of the motherboard 5 and play a role in supporting and fixing the inserted PCBA 6; vibration anchor clamps case 1 bottom surface and side all are equipped with vibration fixed orifices 11, and vibration anchor clamps case 1 is installed on the shaking table through vibration fixed orifices 11, therefore can be through the vibration fixed orifices 11 of choosing vibration anchor clamps case 1 bottom surface or side to the installation orientation of adjustment vibration anchor clamps case 1, and then the vibration orientation of adjustment test in-process PCBA board 6.
As shown in fig. 2 to fig. 4, which are a front view, a left view and a top view of an embodiment of the fixture of the present invention, in this embodiment, the card board 2, the guide rail 3 and the motherboard 5 are detachably connected to the vibration fixture box 1. The plug-in board panel 2 is connected with the vibration clamp box 1 through a plug-in mounting screw 71; the motherboard 5 is connected with the vibration clamp box 1 through a motherboard mounting screw 7; guide rail 3 and vibration anchor clamps case 1 between through 4 erection joints of guide rail mounting bar, guide rail mounting bar 4 is equipped with two pairs altogether, one of them is to installing respectively in the lower edge of plug-in components panel 2 and the lower edge of mother board 5, another is to installing respectively in the last edge of plug-in components panel 2 and the last edge of mother board 5, be equipped with the bayonet socket that a plurality of levels were laid on the guide rail mounting bar 4, 3 both ends of guide rail are along its radial outside protruding formation card post, 3's card post of guide rail is pegged graft in the bayonet socket of guide rail mounting bar 4, utilize guide rail mounting bar 4 to realize the dismantlement between 3 of guide rail and the vibration anchor clamps case 1 and be connected, the convenience of reinforcing loading and unloading guide rail 3, install through guide rail mounting screw 72 erection joint between guide.
The PCBA vibration test fixture provided by the embodiment is fixedly connected to the plug-in panel 2, the guide rail 3 and the motherboard 5 in the vibration fixture box 1, and the connection structure of a PCBA plug-in and a case in a secondary equipment product is completely simulated; the bottom surface and the side surface of the vibration clamp box 1 are provided with vibration fixing holes 11 used for connecting a vibration table, and test items in 3 vibration directions on the horizontal vibration table or 2 vibration directions on the vertical vibration table can be performed by selecting different vibration fixing holes 11; the plug-in board panel 2, the guide rail 3, the motherboard 5 and the vibration fixture box 1 are detachably connected, so that the influence of each component on the vibration resistance of the PCBA plug-in board in vibration, impact and collision tests can be conveniently researched, and key factors influencing the vibration, impact and collision characteristics can be obtained in the tests.
The utility model discloses specific embodiment mode still provides a PCBA vibration test method, and this method adopts the PCBA vibration test anchor clamps that aforementioned embodiment provided, and the cooperation shaking table carries out the vibration test, the method includes following step:
firstly, mounting a guide rail mounting bar 4 and a mother board 5 into a vibration clamp box 1, and inserting a guide rail 3 into a bayonet of the guide rail mounting bar 4;
mounting the bottom surface or the side surface of the vibration clamp box 1 on a vibration table by using the vibration fixing holes 11;
step three, mounting the PCBA board 6 on the plug-in board 2;
step four, the plug-in board 2 is installed on the vibration fixture box 1, and meanwhile, the electrical connection between the connector male head 61 of the PCBA board 6 and the connector female head 51 of the motherboard 5 is completed;
step five, respectively installing acceleration sensors on the vibration table, the vibration fixture box 1 and the PCBA board 6;
step six, performing sinusoidal excitation or random excitation on the vibration table to drive the vibration fixture box 1 to perform vibration, impact and collision tests;
and step seven, evaluating the vibration resistance of the PCBA 6 according to the comparison result of the data acquired by each acceleration sensor.
Utilize the utility model discloses anchor clamps cooperation shaking table, according to the utility model discloses the method carries out vibration test to the PCBA plug-in components, can in time acquire PCBA's mechanical characteristic and in time improve at secondary equipment product design initial stage to reduce and even avoid the problem that the product design later stage leads to because of the PCBA plug-in components.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a PCBA vibration test anchor clamps, characterized by, includes vibration anchor clamps case (1), fixedly connected with subtend the plug-in components panel (2) and mother board (5) of laying in vibration anchor clamps case (1), plug-in components panel (2) can be dismantled with vibration anchor clamps case (1) and be connected, mother board (5) are equipped with female head of connector (51) towards plug-in components panel (2) one side, female head of connector (51) and public first (61) looks adaptation of connector of PCBA board (6).
2. PCBA vibration test fixture according to claim 1, characterized in that one or two guide rails (3) are fixedly connected in the vibration fixture box (1), the guide rails (3) are axially perpendicular to the plug-in board panel (2), and the guide rails (3) are located at the upper edge or/and the lower edge of the plug-in board panel (2) and the motherboard (5).
3. PCBA vibration test fixture according to claim 2, characterised in that the guide rail (3) is detachably connected to the vibration fixture box (1).
4. The PCBA vibration test fixture as claimed in claim 3, wherein one or two pairs of guide rail mounting bars (4) are further fixedly connected in the vibration fixture box (1), each pair of guide rail mounting bars (4) are oppositely arranged, and the guide rail (3) is detachably connected with the vibration fixture box (1) through the guide rail mounting bars (4).
5. PCBA vibration test fixture according to claim 4, characterised in that the guide rail mounting bar (4) is detachably connected with the vibration fixture box (1).
6. PCBA vibration test fixture according to claim 1, characterised in that the vibration fixture box (1) is provided with vibration fixing holes (11) in the bottom and/or side.
7. PCBA vibration test fixture according to any of claims 1 to 6, in which the motherboard (5) is removably connected to the vibration fixture box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509804.9U CN210347047U (en) | 2019-09-11 | 2019-09-11 | PCBA vibration test anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509804.9U CN210347047U (en) | 2019-09-11 | 2019-09-11 | PCBA vibration test anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210347047U true CN210347047U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509804.9U Active CN210347047U (en) | 2019-09-11 | 2019-09-11 | PCBA vibration test anchor clamps |
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| CN (1) | CN210347047U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112378610A (en) * | 2020-10-29 | 2021-02-19 | 英业达科技有限公司 | Quick peripheral component interconnection card vibration test fixture set |
| TWI744066B (en) * | 2020-11-02 | 2021-10-21 | 英業達股份有限公司 | Vibration testing fixture assembly for peripheral component interconnect express card |
-
2019
- 2019-09-11 CN CN201921509804.9U patent/CN210347047U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112378610A (en) * | 2020-10-29 | 2021-02-19 | 英业达科技有限公司 | Quick peripheral component interconnection card vibration test fixture set |
| TWI744066B (en) * | 2020-11-02 | 2021-10-21 | 英業達股份有限公司 | Vibration testing fixture assembly for peripheral component interconnect express card |
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