Shearing stress testing device for optical emission sub-module

Abstract

The utility model provides a light emission sub-module shear stress testing device which comprises a base, a stand column is vertically installed on the upper side face of the base, and a shear knife operation distance detection device, a shear force detection device and a driving device are installed on the side edges of the stand column respectively. The driving device simultaneously drives the shear knife operation distance detection device and the shear force detection device to move up and down; the shear knife running distance detection device comprises a graduated scale and a reader matched with the graduated scale; the shear force detection device comprises a pressure gauge, the pressure gauge is connected with a rod-shaped shear knife with an arc-shaped shear blade, and the shear knife is matched with a light emission sub-module. According to the utility model, the driving device simultaneously drives the shear knife operation distance detection device and the shear force detection device to move up and down to shear the light emitting sub-module, so that the shear stress of the light emitting sub-module is tested, the structure is simple, and the test value is accurate.

Description

Technical Field

[0001] This utility model relates to the field of optical communication technology, and in particular to a shear stress testing device for optical emission submodules. Background Technology

[0002] With the rapid development of optical communication technology, optical transmitter terminal modules (optical transmitter sub-modules) are increasingly widely used in high-speed data transmission. Optical transmitter terminal modules are divided into single-mode optical transmission modules and multi-mode optical transmission modules, and their overall product architecture includes two main parts: optical sub-modules and electronic sub-modules. First, using materials such as gallium arsenide, indium phosphide, and indium gallium arsenide as light-emitting and light-detecting materials, epitaxial wafers are fabricated using methods such as metal-organic vapor deposition. In the chip manufacturing process, laser diodes are fabricated from the epitaxial wafers. Then, the laser diodes, along with filters, metal caps, and other components, are packaged into a TOcan (Transmitter-on-Chip). This TOcan, along with components such as ceramic sleeves, is then packaged into an optical sub-module. Finally, an electronic sub-module is added, containing two driver ICs (transmitter and receiver) to drive the laser diode and the light-detecting diode. This combination forms the optical transmitter terminal module. Optical transmitter terminal modules are generally tubular structures, and in practical applications, they have been found to be easily broken. Therefore, how to test the shear stress of optical transmitter sub-modules and prevent products with substandard shear stress from entering the market is a research subject for those skilled in the art. Utility Model Content

[0003] This invention provides a light emission submodule shear stress testing device with simple structure, high finished product qualification rate, and accurate test index data.

[0004] A shear stress testing device for a light-emitting submodule includes a base, a column vertically mounted on the upper side of the base, and a shear blade travel distance detection device, a shear force detection device, and a driving device respectively mounted on the side of the column. The driving device simultaneously drives the shear blade travel distance detection device and the shear force detection device to move up and down. The shear blade travel distance detection device includes a scale and a reader that works with the scale. The shear force detection device includes a pressure gauge connected to a rod-shaped shear blade with an arc-shaped shearing edge, which works in conjunction with the light-emitting submodule. This light-emitting submodule shear stress testing device obtains accurate shear force by applying the shear force to the surface of the tubular light-emitting submodule through the shearing edge connected to the pressure gauge via the shear force detection device, thereby calculating the actual shear stress that the light-emitting submodule can withstand. The shear stress is calculated as follows: T = F / A, where T represents the shear stress, F represents the shear force acting on the pressure gauge, and A represents the area of ​​the shear surface, which is calculated from the arc-shaped area of ​​the shearing edge. The shear blade travel distance detection device obtains the travel distance of the shear blade in order to verify whether the deformation distance that the light emission sub-module can withstand under qualified shear force meets the standard. The technical performance of the light emission sub-module's shear stress is detected by bidirectional cross-detection of the deformation distance and shear stress.

[0005] The drive device includes a rotating handwheel mounted on a column. The rotating handwheel is connected to a drive gear via a connecting shaft. The drive gear is connected to a rack. The rack is connected to a guide rail. The guide rail is connected to a mounting plate. The mounting plate is fixedly connected to a pressure gauge. The rotating handwheel is manually rotated to drive the guide rail connected to the rack to move up and down, thereby realizing the up and down movement of the shearing blade connected to the pressure gauge to measure the shearing force.

[0006] The reader is connected to the mounting plate via a second connecting rod, which enables the reader and the mounting plate to work together to improve reading accuracy.

[0007] The optical emission sub-module includes a laser emitter tube with a circular outer circumference. The lower side of the circular structure is connected to a first positioning arc groove located on the mounting base, and the upper side of the circular structure is connected to a second positioning arc groove located on the pressure block. The pressure block is fitted to the mounting base to ensure the stability of the optical emission sub-module's installation and positioning during the testing process.

[0008] This invention uses a driving device to simultaneously drive the shearing blade running distance detection device and the shearing force detection device to move up and down to shear the light-emitting sub-module, thereby testing the shear stress of the light-emitting sub-module and the deformation distance that the light-emitting sub-module can withstand. The overall structure is simple and the test values ​​are accurate. Attached Figure Description

[0009] The present invention will be further described below with reference to the accompanying drawings:

[0010] Figure 1 This is a three-dimensional structural diagram of a light emission sub-module shear stress testing device according to the present invention;

[0011] Figure 2 This is a top view schematic diagram of the shear stress testing device for a light emission sub-module according to the present invention;

[0012] Figure 3 This is a three-dimensional structural diagram of the optical emission sub-module in this utility model. Detailed Implementation

[0013] The following is in conjunction with the appendix Figure 1-3 The specific implementation method further illustrates the technical solution of this patent.

[0014] A light emission submodule shear stress testing device includes a base 4, a column 1 vertically mounted on the upper side of the base 4, and a shear blade travel distance detection device, a shear force detection device, and a driving device respectively mounted on the side of the column 1; the driving device simultaneously drives the shear blade travel distance detection device and the shear force detection device to move up and down; the shear blade travel distance detection device includes a scale 11 and a reader 10 that cooperates with the scale; the shear force detection device includes a pressure gauge 3, the pressure gauge 3 is connected to a rod-shaped shear blade 8 with an arc-shaped shear blade 5, and the shear blade 8 cooperates with a light emission submodule 6.

[0015] The preferred drive device includes a rotating handwheel 15 mounted on a column 1. The rotating handwheel 15 is connected to a drive gear 14 via a connecting shaft 16. The drive gear 14 is connected to a rack 17. The rack 17 is connected to a guide rail 18. The guide rail 18 is connected to a mounting plate 19. The mounting plate 19 is fixedly connected to a pressure gauge 3.

[0016] To further improve the accuracy of the speed measurement, the scale 11 is fixed to the column 1 via the first connecting rod 9, and the reader 10 is connected to the mounting plate 19 via the second connecting rod 12. The reader 10 moves up and down with the mounting plate 19 to accurately obtain the deformation value of the shear blade relative to the light emission sub-module 6. The light emission sub-module 6 includes a laser emitter tube with a circular outer circumference. The lower side of the circular structure is fitted with the first positioning arc groove 21 located on the mounting base 7, and the upper side of the circular structure is fitted with the second positioning arc groove 26 located on the pressure block 20. The pressure block 20 is fitted and connected to the mounting base 7.

[0017] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.

Claims

1. A light-emitting submodule shear stress testing device, characterized in that: Includes a base (4), on which a column (1) is vertically mounted on the upper side. A shearing blade running distance detection device, a shearing force detection device, and a driving device are respectively mounted on the side of the column (1). The driving device simultaneously drives the shearing blade running distance detection device and the shearing force detection device to move up and down. The shearing blade running distance detection device includes a scale (11) and a reader (10) that works with the scale. The shearing force detection device includes a pressure gauge (3), which is connected to a rod-shaped shearing blade (8) with an arc-shaped shearing blade (5). The shearing blade (8) works with a light emission sub-module (6).

2. The optical emission submodule shear stress testing device according to claim 1, characterized in that: The drive device includes a rotating handwheel (15) mounted on a column (1), the rotating handwheel (15) is connected to a drive gear (14) via a connecting shaft (16), the drive gear (14) is connected to a rack (17), the rack (17) is connected to a guide rail (18), the guide rail (18) is connected to a mounting plate (19), and the mounting plate (19) is fixedly connected to a pressure gauge (3).

3. The optical emission submodule shear stress testing device according to claim 1, characterized in that: The scale (11) is fixed to the column (1) by the first connecting rod (9), and the reader (10) is connected to the mounting plate (19) by the second connecting rod (12).

4. The optical emission submodule shear stress testing device according to claim 1, characterized in that: The light emission sub-module (6) includes a laser emitter tube with a circular outer periphery. The lower side of the circular structure is connected to the first positioning arc groove (21) located on the mounting base (7), and the upper side of the circular structure is connected to the second positioning arc groove (26) located on the pressure block (20). The pressure block (20) is attached to the mounting base (7).

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