CN214793697U

CN214793697U - Optical module vibration test device

Info

Publication number: CN214793697U
Application number: CN202120326741.4U
Authority: CN
Inventors: 李文; 陈钦; 沈建
Original assignee: Wri Testing Technologies Co ltd
Current assignee: Wri Testing Technologies Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-11-19
Anticipated expiration: 2031-02-04

Abstract

The application relates to an optical module vibration test device, and relates to the technical field of vibration test devices. The optical module vibration test device comprises at least one sub-clamp, each sub-clamp comprises a box body and a fixing unit, the box body is used for accommodating and fixing at least one optical module, the fixing unit comprises a fixing frame body and at least one fixing assembly, the fixing frame body is arranged on one side of the box body, the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece is arranged on the fixing frame body and used for fixing the part, extending out of the box body, of the corresponding optical module, and the second fixing piece is arranged on the first fixing piece in a penetrating mode and used for connecting the first fixing piece and the box body. The application provides an optical module vibration test device, fixed optical module that can be fine guarantees at the in-process of vibration as far as possible that the vibration of optical module is unanimous with the vibration of vibration mesa, has solved in the correlation technique optical module and has become flexible easily and influence the problem that the test result leads to the test unsuccessful at the in-process of vibration test.

Description

Optical module vibration test device

Technical Field

The application relates to the technical field of vibration test devices, in particular to an optical module vibration test device.

Background

The vibration test aims to simulate a series of vibration phenomena to test whether the product can bear the test of the vibration environment in the transportation or use process in the life cycle and also determine whether the product design and the function meet the standard.

Wherein, the weight and the size of the product need to be known before the vibration test so as to select the proper vibration test equipment and a clamp for fixing the sample. When the test piece is small in size and regular in shape, the test piece can be firmly fixed on the bushing screw of the vibration table top in a screw and pressing plate mode; however, when the test piece has a small volume and an irregular shape, the fixing method is obviously unreliable, and at this time, a clamp needs to be manufactured, the test piece is mounted on the clamp, and then the clamp is firmly fixed on the vibration table, so that the clamp is a transition body for connecting the test piece and the vibration table, and the function of the clamp is to transmit the vibration and the energy of the vibration table to the test piece without distortion.

In addition, the vibration on the vibration table is transmitted to the test piece through the clamp without distortion, that is, the acceleration value measured on the test piece is expected to be identical to the acceleration value measured on the vibration table, and theoretically, the clamp must be a rigid body. It is impossible to achieve complete conformity, so that the method is the direction of people's efforts and the basic transmission is achieved as much as possible, otherwise, the significance of the test is lost, and therefore, the influence of the clamp on the vibration test is large.

In the related art, when a 5G optical module is subjected to a vibration test, the 5G optical module is generally firmly fixed on a vibration table board in a screw rod and pressing plate mode, the peak acceleration under test conditions is about 20G, the frequency is about 20-2000 Hz, and X, Y, Z vibration needs to be carried out in 3 directions, so that the optical module and the pressing plate are not fixed well in the test process due to the shape, the structure and the like of optical module equipment, the optical module is often loosened in the vibration process after being fixed, the optical module is in a risk of falling after being loosened, and the test result is influenced or the test is not successful.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an optical module vibration test device to solve the problem that in the prior art, an optical module is easy to loosen in the vibration test process to influence the test result and cause unsuccessful test.

The application provides an optical module vibration test device, an at least sub-anchor clamps, its characterized in that, each sub-anchor clamps all include:

the optical module comprises a box body, a light source and a light source, wherein the box body is used for accommodating and fixing at least one optical module;

a fixing unit, comprising:

the fixed frame body is arranged on the box body;

the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece is arranged on the fixing frame body and used for fixing the part, corresponding to the optical module, of the box body, and the second fixing piece penetrates through the first fixing piece and is used for connecting the first fixing piece and the box body.

In some embodiments, the fixing frame body includes two fixing frames that are L-shaped and symmetrically distributed on two sides of the box body, one end of each fixing frame is connected to the box body, and the other end is connected to the corresponding end of the first fixing member.

In some embodiments, the number of the fixing assemblies is multiple, multiple first fixing members are connected end to end and are disposed between two fixing frames, each first fixing member includes a fixing plate and adjusting rods disposed on two sides of the fixing plate, the adjusting rods disposed at two ends are rotatably connected to the fixing frames, and the remaining adjacent adjusting rods are rotatably connected to each other.

In some embodiments, each of the second fixing members includes two fixing rods, the two fixing rods are respectively rotatably inserted into the two adjusting rods on two sides of the fixing plate, and one end of each fixing rod is rotatably connected to the box body.

In some embodiments, a fixing screw rod penetrates through one end of the fixing frame, which is far away from the adjusting rod, and a fastening pad penetrates through the fixing screw rod.

In some embodiments, a buffer layer is disposed on a side of the fixing plate close to the box body.

In some embodiments, the optical module vibration testing apparatus further includes a female fixture, the female fixture is in a vertical surface structure, and each surface is provided with a plurality of lightening holes.

In some embodiments, the cartridge comprises:

one surface of the bottom plate is detachably connected with the female clamp, and one surface far away from the female clamp is provided with at least one accommodating groove for accommodating the optical module;

the cover plate covers the bottom plate, at least one positioning piece is arranged on one surface, close to the bottom plate, of the cover plate, and the positioning piece is used for fixing the optical modules in the corresponding accommodating grooves.

In some embodiments, 2 to 3 positioning elements are arranged on one side of the cover plate close to the bottom plate side by side at intervals, and each positioning element is of a bump structure.

In some embodiments, the base plate and the cover plate are connected by bolts, and the base plate and the cover plate and the female clamp are connected by bolts.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides an optical module vibration test device, sub-anchor clamps include box body and fixed unit, the box body is used for acceping and fixed at least optical module, fixed unit is including fixed support body and the fixed subassembly that corresponds with optical module quantity, wherein first mounting in the fixed subassembly is used for the fixed part that stretches out the box body of optical module that corresponds, the second mounting is worn to locate on first mounting, and be used for connecting first mounting and box body, in order to guarantee that first mounting can support all the time and hold the tail end part that fixed optical module stretches out the box body, guarantee at the in-process of vibration test, the optical module can be stable be fixed in the box body all the time, it is equal to integrative with box body and shaking table to be approximate, guarantee that the vibrational state is unanimous as far as possible with the vibrational state of shaking table.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an optical module vibration test apparatus provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a sub-fixture of an optical module vibration testing apparatus provided in an embodiment of the present application.

In the figure: 1-sub clamp, 2-box, 20-bottom plate, 21-cover plate, 3-optical module, 4-fixing unit, 40-fixing frame, 41-fixing component, 410-fixing plate, 411-adjusting rod, 412-fixing rod, 42-fixing screw rod, 5-mother clamp and 50-lightening hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides an optical module vibration test device, which can solve the problem that in the prior art, an optical module is easy to loosen in the vibration test process to influence the test result, so that the test is unsuccessful.

Referring to fig. 1 and 2, the optical module vibration test device includes a mother fixture 5 and at least one sub-fixture 1, the mother fixture 5 is in a vertical surface structure, a bottom surface of the mother fixture is used for connecting and fixing a table top of a vibration table, the remaining 5 surfaces are used for fixing the sub-fixtures 1, one surface is generally used for fixing only one sub-fixture 1, and the total amount of the sub-fixtures 1 is determined according to actual requirements. The female clip 5 has a size of 250 x 210mm, and in order to reduce the overall weight and maintain rigidity, a plurality of lightening holes 50 are provided on each side, the diameter of the lightening holes 50 being about 38 mm. The testing of 3 directions of vibration X, Y, Z of the optical module 3 is completed by changing the arrangement direction of the sub-clamp 1 on the corresponding surface of the main clamp 5, the optical module 3 is installed in the sub-clamp 1 in an embedded mode, and the tail end at least partially extends out of the sub-clamp 1 due to the fact that the tail end is irregular in shape.

Each sub-jig 1 comprises a box body 2 and a fixing unit 4, the box body 2 is used for accommodating and fixing at least one optical module 3, generally, the number of the optical modules 3 which can be accommodated by each sub-jig 1 is determined according to the size of the optical modules 3, and the number of the optical modules 3 which can be accommodated by one sub-jig 1 is 1-6. The fixed unit 4 specifically includes fixed support body 40 and an at least fixed subassembly 41, fixed support body 40 is located on box body 2, fixed subassembly 41 includes first mounting and second mounting, first mounting is located on fixed support body 40, and be used for fixed optical module 3 to stretch out the part of box body 2, the second mounting is worn to locate on first mounting, be used for connecting first mounting and box body 2, can support to hold to fix on the tail end part that optical module 3 stretches out box body 2 in order to guarantee first mounting, guarantee optical module 3's stability.

Further, the fixing frame body 40 includes two fixing frames which are L-shaped and symmetrically distributed on two sides of the box body 2, one end of each fixing frame is connected with the box body 2, and the other end of each fixing frame is connected with the corresponding end of the first fixing member.

Further, the number of the fixing assemblies 41 is multiple, a plurality of first fixing members are connected end to end and are arranged between the two fixing frames, each first fixing member comprises a fixing plate 410 and adjusting rods 411 arranged on two sides of the fixing plate 410 respectively, the adjusting rods 411 arranged at two ends are connected with the fixing frames in a rotating mode, and the rest adjacent adjusting rods 411 are connected in a rotating mode. Specifically, one of them mount serves and is equipped with the screw thread, one of them mount serves and is equipped with the screw hole, it is corresponding, two of each fixed plate 410 both sides are adjusted pole 411, one of them is adjusted the pole 411 surface and is equipped with the screw thread, be equipped with the screw hole on another, therefore, mount and adjust between the pole 411 and rotate the connection through the screw thread once, make fixed unit 4 be applicable to not unidimensional box body 2, when two optical module 3 are fixed to box body 2, then two fixed subassembly 41 of installation between two mounts, so on and so on, this kind of connection structure enables fixed unit 4 more nimble, can adjust in the certain degree, and can be applicable to not unidimensional box body 2, can not make to connect between certain two structures and mismatch because of small size difference.

Furthermore, because the vibration frequency is often higher in the vibration test, the fixed plate 410 and the adjusting rods 411 on both sides are generally of a slender structure as a whole, in order to ensure the structural integrity, each second fixing member specifically includes two fixing rods 412, the two fixing rods 412 are respectively rotatably arranged on the two adjusting rods 411 on both sides of the fixed plate 410, and one end of the two fixing rods 412 penetrating through the adjusting rods 411 is rotatably connected with the box body 2, so that the fixed plate 410 is fixedly supported on the tail end of the corresponding optical module 3, and the structural integrity is enhanced.

Further, the fixing frame is kept away from one of adjusting pole 411 and is served and wear to be equipped with clamping screw 42, all is equipped with the fixed orifices that corresponds with clamping screw 42 on the both sides of box body 2, for the steadiness of guaranteeing to connect, still wears to be equipped with the fastening pad on the clamping screw 42.

Furthermore, since a gap is easily formed between the rigid connections, in order to reduce the test error as much as possible, a buffer layer is disposed on the surface of the fixing plate 410 close to the case 2, and the thickness of the buffer layer is very thin, so that the gap between the fixing plate 410 and the corresponding optical module 3 can be eliminated as much as possible.

Further, the box body 2 specifically includes a bottom plate 20 and a cover plate 21, one surface of the bottom plate 20 is detachably connected to the female fixture 5, one surface far away from the female fixture 5 is provided with at least one accommodating groove for accommodating the optical module 3, the cover plate 21 is covered on the bottom plate 20, one surface of the cover plate 21 close to the bottom plate 20 is provided with at least one positioning member, and the positioning member is used for fixing the optical module 3 in the corresponding accommodating groove.

Furthermore, 2 to 3 positioning elements are arranged on one surface of the cover plate 21 close to the bottom plate 20 side by side at intervals, the positioning elements are of a convex block structure, and when the bottom plate 20 and the cover plate 21 are buckled, one surface of each positioning element is abutted against the corresponding surface of the optical module 3 so as to fix the optical module 3.

Further, the bottom plate 20 and the cover plate 21 are connected through bolts, the bottom plate 20 and the cover plate 21 are connected with the female clamp 5 through bolts, specifically, the bolts connecting the box body 2 and the female clamp 5 sequentially penetrate through the bottom plate 20, the cover plate 21 and the female clamp 5 to be fixed, and the bottom plate 20 and the cover plate 21 are fixed through independent bolts. When the bolts are locked and fastened, the screwing depth of the corresponding bolts is consistent as much as possible so as to keep the uniformity of the surfaces locked and fastened by the bolts.

The vertical direction of the female clamp 5 has four surfaces for fixing, the X axis and the Y axis during vibration can be defined arbitrarily, and the surface at the top can be defined as the Z axis during vibration. When reciprocating motion is carried out along the vertical direction, namely the Z-axis direction, the sub-clamp 1 positioned at the top is defined as Z-axis vibration, so that the sub-clamp 1 on the vertical surface is subjected to X-axis vibration or Y-axis vibration, and when switching between the X-axis vibration and the Y-axis vibration is needed, the sub-clamp 1 on the vertical surface is rotated by 90 degrees along the corresponding direction and fixed.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An optical module vibration test device, comprising at least one sub-fixture (1), wherein each sub-fixture (1) comprises:

a box body (2) for accommodating and fixing at least one optical module (3);

a fixing unit (4) comprising:

the fixed frame body (40) is arranged on the box body (2);

at least one fixing assembly (41), the fixing assembly (41) comprises a first fixing piece and a second fixing piece, the first fixing piece is arranged on the fixing frame body (40) and used for fixing the part, extending out of the box body (2), of the corresponding optical module (3), and the second fixing piece penetrates through the first fixing piece and is used for connecting the first fixing piece and the box body (2).

2. A vibration testing apparatus of an optical module according to claim 1, characterized in that: the fixing frame body (40) comprises two fixing frames which are L-shaped and symmetrically distributed on two sides of the box body (2), each fixing frame is provided with one end connected with the box body (2) and the other end connected with the corresponding end of the first fixing piece.

3. A vibration testing apparatus for an optical module according to claim 2, wherein: the quantity of fixed subassembly (41) is a plurality of, and is a plurality of first mounting end to end and locate two between the mount, each first mounting all includes fixed plate (410) and locates respectively regulation pole (411) of fixed plate (410) both sides are located both ends regulation pole (411) all rotate with the mount and link to each other, remaining adjacent all rotate between regulation pole (411) and link to each other.

4. A vibration testing apparatus of an optical module according to claim 3, characterized in that: each second fixing piece comprises two fixing rods (412), the two fixing rods (412) are respectively rotatably arranged on the two adjusting rods (411) on the two sides of the fixing plate (410) in a penetrating mode, and one end of each fixing rod is rotatably connected with the box body (2).

5. A vibration testing apparatus of an optical module according to claim 3, characterized in that: one end of the fixing frame, which is far away from the adjusting rod (411), is provided with a fixing screw rod (42) in a penetrating way, and a fastening pad is arranged on the fixing screw rod (42) in a penetrating way.

6. A vibration testing apparatus of an optical module according to claim 3, characterized in that: one surface of the fixing plate (410) close to the box body (2) is provided with a buffer layer.

7. A vibration testing apparatus for an optical module according to claim 2, wherein: the optical module vibration test device further comprises a female clamp (5), wherein the female clamp (5) is of a vertical surface structure, and each surface is provided with a plurality of lightening holes (50).

8. A light module vibration testing device according to claim 7, characterized in that said case (2) comprises:

the bottom plate (20) is detachably connected with the female clamp (5) on one surface, and at least one accommodating groove for accommodating the optical module (3) is formed in the surface, far away from the female clamp (5);

the cover plate (21) is arranged on the bottom plate (20) in a covering mode, at least one positioning piece is arranged on one surface, close to the bottom plate (20), of the cover plate (21), and the positioning piece is used for fixing the optical modules (3) located in the corresponding containing grooves.

9. A vibration testing apparatus for an optical module according to claim 8, wherein: the cover plate (21) is close to one side of the bottom plate (20), 2-3 positioning pieces are arranged on the side, close to the bottom plate, at intervals side by side, and the positioning pieces are of lug structures.

10. A vibration testing apparatus for an optical module according to claim 8, wherein: the base plate (20) and the cover plate (21) are connected through bolts, and the base plate (20) and the cover plate (21) are connected with the female clamp (5) through bolts.