Holder device for installing VCSEL module

Abstract

The utility model provides a holder device for installing a VCSEL module, which comprises a rotary support frame assembly, a high-precision five-axis adjusting assembly and a module clamp assembly, the high-precision five-axis adjusting assembly is arranged on the rotary support frame assembly, the module clamp assembly is arranged on the high-precision five-axis adjusting assembly, and the module clamp assembly is arranged on the high-precision five-axis adjusting assembly. The module clamp assembly comprises a temperature control module and a clamp part, the temperature control module is arranged at the lower end of the clamp part and used for adjusting the temperature of the clamp part, and the clamp part is used for clamping a VCSEL module. The high-precision five-axis adjusting assembly is used for adjusting the precise positions of the X axis, the Y axis and the Z axis of the module clamp assembly and the precise positions of two rotating shafts around the X axis and the Y axis. The utility model relates to the technical field of VCSEL module far-field test fixtures.

Description

Technical Field

[0001] The utility model relates to the technical field of far-field test fixtures for VCSEL modules, and particularly relates to a holder device for installing a VCSEL module. Background Art

[0002] As an important laser light source, VCSEL (Vertical-Cavity Surface-Emitting Laser) is widely used in fields such as projectors and lidar. In the production process of VCSEL projection modules, the far-field optoelectronic performance test of VCSEL modules is a key link to ensure product quality. Existing VCSEL far-field test equipment can quickly and accurately test the far-field optoelectronic performance of VCSELs, effectively improving production efficiency. However, existing test equipment has high requirements for the installation accuracy of VCSEL modules. If the installation accuracy is insufficient, it will lead to inaccurate test results and affect product quality. Moreover, existing holder devices usually cannot control the temperature of VCSEL modules, and temperature changes will affect the performance of VCSEL modules, resulting in distorted test results.

[0003] Therefore, it is imperative to redesign a holder device for installing VCSEL modules. Summary of the Utility Model

[0004] Aiming at the defects of the above-mentioned existing technology, the utility model provides a holder device for installing a VCSEL module, aiming to solve the problems in the existing technology that the VCSEL far-field test equipment has high requirements for the installation accuracy of VCSEL modules and cannot control the temperature, resulting in inaccurate test results.

[0005] To achieve the above object, the technical solution adopted by the utility model is: a holder device for installing a VCSEL module, including a rotary support frame assembly, a high-precision five-axis adjustment assembly, and a module fixture assembly. The high-precision five-axis adjustment assembly is arranged on the rotary support frame assembly, and the module fixture assembly is arranged on the high-precision five-axis adjustment assembly. The module fixture assembly includes a temperature control module and a fixture component. The temperature control module is arranged at the lower end of the fixture component and is used to adjust the temperature of the fixture component. The fixture component is used to clamp the VCSEL module. The high-precision five-axis adjustment assembly is used to adjust the precise positions of the module fixture assembly in the X-axis, Y-axis, Z-axis, and two rotation axes around the X-axis and Y-axis.

[0006] Based on the above, the beneficial effects of a holder device for installing a VCSEL module are as follows: it solves the problems in the prior art that the VCSEL far-field test equipment has high requirements for the installation accuracy of the VCSEL module and cannot perform temperature control, resulting in inaccurate test results; specifically, the present utility model can precisely control the temperature of the VCSEL module through the temperature control module, avoiding the influence of temperature changes on the performance of the VCSEL module and ensuring the stability and reliability of test results under different temperature conditions; the present utility model can precisely position the VCSEL module at the micron level through the high-precision five-axis adjustment component, ensuring the accurate installation of the VCSEL module during the test, thereby improving the accuracy of the test results; the beneficial effect of the rotating support frame component is that it allows the VCSEL module to rotate from the module installation position to the projection test position for testing, increasing the practicability of installation and testing; the beneficial effect of the high-precision five-axis adjustment component is that it realizes the micron-level precise positioning of the VCSEL module in five directions, ensuring the accuracy of the test; the beneficial effect of the module fixture component is that it provides stable clamping and positioning for the VCSEL module, ensuring the consistency of the test; the beneficial effect of the temperature control module is that it precisely controls the temperature of the VCSEL module, avoiding the influence of temperature changes on the test results; the beneficial effect of the fixture part is that it ensures the stability and safety of the VCSEL module during the test.

[0007] Further, the fixture part includes a fixture bottom plate, a fixture cover plate, and a module positioning groove member. The fixture cover plate is hinged to the fixture bottom plate. The module positioning groove member is arranged in the hollow groove of the fixture bottom plate. The module positioning groove member is used for placing the VCSEL module. The temperature control module includes a heating module and a cooling module. The heating module and the cooling module are respectively located on both sides of the hollow groove and are both arranged at the bottom end of the module positioning groove member. A cooling fan is arranged at the lower end of the heating module.

[0008] Based on the above, the beneficial effect of the fixture bottom plate is to provide a solid foundation for the installation of the VCSEL module, ensuring the stability of the test; the beneficial effect of the fixture cover plate is to protect the VCSEL module from external interference, ensuring the accuracy of the test; the beneficial effect of the module positioning groove member is to precisely place the VCSEL module, ensuring the accuracy of the test; the beneficial effect of the heating module is to provide a stable heating function to control the temperature of the VCSEL module; the beneficial effect of the cooling module is to provide a stable cooling function to control the temperature of the VCSEL module; the beneficial effect of the cooling fan is to effectively dissipate the heat of the heating module, ensuring the stable operation of the heating module.

[0009] Furthermore, the fixture component further includes a pin signal access component and a signal adapter component. The pin signal access component is disposed in the device signal slot at one end of the fixture base plate. The device signal slot is disposed on one side of the hollow slot. The VCSEL module includes a projection end and a pin end. The module positioning slot component is provided with a projection positioning component on one side of the projection end. A projection transmission port is disposed in the middle of the projection positioning component. The module positioning slot component is provided with a pin adapter component on one side of the pin end. The lower end of the pin adapter component is adapted to the pin end. One end of the signal adapter component is connected to the upper end of the pin adapter component, and the other end of the signal adapter component is connected to the upper end of the pin signal access component.

[0010] Based on the above, the beneficial effect of the pin signal access component is to ensure the stable access of the VCSEL module to the test device; the beneficial effect of the signal adapter component is to ensure the effective transfer of signals between the test device and the VCSEL module; the beneficial effect of the projection end is to emit projection laser; the beneficial effect of the pin end is to input external test signals to the VCSEL module; the beneficial effect of the projection positioning component is to ensure the positioning and fixation of the projection end of the VCSEL module, prevent displacement during testing, and improve the accuracy of testing; the beneficial effect of the projection transmission port is to allow the projection beam of the VCSEL module to be transmitted without obstruction; the beneficial effect of the pin adapter component is to achieve the effective connection between the pins of the VCSEL module and the signal adapter component.

[0011] Furthermore, a transfer slot and a projection emission port are provided on the fixture cover plate. The signal adapter component is adapted to be disposed in the transfer slot opened on the fixture cover plate, and the shape of the transfer slot matches that of the signal adapter component. The projection emission port is adapted to be above the projection transmission port.

[0012] Based on the above, the beneficial effect of the transfer slot is to provide precise installation positioning for the signal adapter component; the beneficial effect of the projection emission port is to allow the projection beam of the VCSEL module to be accurately emitted.

[0013] Further, the high-precision five-axis adjustment assembly is provided with a fixture support table, an XY-axis adjustment module, a Z-axis adjustment module, an X-axis rotation module, and a Y-axis rotation module. The XY-axis adjustment module is arranged at the lower end of the fixture support table and is used to achieve precise linear displacement adjustment of the X-axis and Y-axis through the worm and worm gear mechanism in the XY-axis adjustment module. The X-axis rotation module is arranged at the lower end of the XY-axis adjustment module and is used to lift the fixture support table by the conical surface of the adjustment shaft parallel to the X-axis in the X-axis rotation module to jack up the adjustment steel balls, so as to achieve the purpose of tilting and rotating on the X-axis. The Y-axis rotation module is arranged at the lower end of the X-axis rotation module and is used to jack up the steel ball sphere in contact with the X-axis rotation module by the conical surface in the middle of the adjustment shaft parallel to the Y-axis in the Y-axis rotation module, so as to achieve the purpose of tilting and rotating on the Y-axis. The Z-axis adjustment module is arranged at the lower end of the Y-axis rotation module.

[0014] Based on the above, the beneficial effect of the fixture support table is to provide stable support for the module fixture assembly; the beneficial effect of the XY-axis adjustment module is to achieve precise positioning of the VCSEL module on the horizontal plane; the beneficial effect of the Z-axis adjustment module is to achieve precise positioning of the VCSEL module in the vertical direction; the beneficial effect of the X-axis rotation module is to allow the VCSEL module to rotate slightly around the X-axis for precision adjustment; the beneficial effect of the Y-axis rotation module is to allow the VCSEL module to rotate slightly around the Y-axis for precision adjustment.

[0015] Further, the rotary support frame assembly includes a frame body, a rotary motor, and a control board. The rotary motor is arranged on the frame body, the control board is arranged at the output end of the rotary motor, the high-precision five-axis adjustment assembly is arranged at the upper end of the control board, and the rotary support frame assembly and the module fixture assembly are both electrically connected to the control board.

[0016] Based on the above, the beneficial effect of the frame body is to provide stable support for the entire holder device; the beneficial effect of the rotary motor is to drive the module fixture assembly to rotate to the projection test position; the beneficial effect of the control board is to drive the entire holder device to run according to a preset program.

[0017] In order to more clearly elaborate the above features of the present invention and the objectives to be achieved, the following further describes the present invention with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 : is a perspective view of the present invention;

[0019] Figure 2 : is Figure 1 an enlarged schematic view of part A of

[0020] Figure 3 : A three-dimensional diagram of another viewing angle of the present invention;

[0021] Figure 4 : A three-dimensional diagram of the high-precision five-axis adjustment assembly of the utility model;

[0022] Figure 5 : is a schematic diagram of the fixture component of the utility model;

[0023] Figure 6 :for Figure 5 A magnified schematic diagram of part B;

[0024] Figure 7 : It is a schematic diagram of the installation of the VCSEL module of the utility model;

[0025] Figure 8 :for Figure 7 An enlarged schematic diagram of part C of FIG.

[0026] Figure 9 : It is a schematic diagram of the temperature control module of the present utility model.

[0027] Description of the accompanying numbers: 1-rotating support frame assembly, 11-frame, 12-rotating motor, 13-control board, 2-high-precision five-axis adjustment assembly, 21-fixture support table, 22-XY axis adjustment module, 23-Z axis adjustment module, 24-X axis rotation module, 25-Y axis rotation module, 3-module fixture assembly, 31-temperature control module, 311-heating module, 3111-cooling fan, 312-cooling module, 32-fixture components , 321-fixture bottom plate, 3211-hollow groove, 3212-equipment signal groove, 322-fixture cover, 3221-adapter groove, 3222-projection emission port, 323-module positioning groove, 3231-projection positioning part, 3232-projection transmission port, 3233-pin adapter, 324-pin signal access part, 325-signal adapter, 10-VCSEL module, 101-projection end, 102-pin end. DETAILED DESCRIPTION

[0028] like Figures 1-9As shown in the figure, a holder device for installing a VCSEL module includes a rotating support frame assembly 1, a high-precision five-axis adjustment assembly 2, and a module fixture assembly 3. The high-precision five-axis adjustment assembly 2 is disposed on the rotating support frame assembly 1, and the module fixture assembly 3 is disposed on the high-precision five-axis adjustment assembly 2. The module fixture assembly 3 includes a temperature control module 31 and a fixture component 32. The temperature control module 31 is disposed at the lower end of the fixture component 32 for adjusting the temperature of the fixture component 32. The fixture component 32 is used for clamping the VCSEL module 10. The high-precision five-axis adjustment assembly 2 is used for adjusting the precise positions of the module fixture assembly 3 in the X-axis, Y-axis, Z-axis, and two rotation axes around the X-axis and Y-axis.

[0029] The fixture component 32 includes a fixture bottom plate 321, a fixture cover plate 322, and a module positioning groove member 323. The fixture cover plate 322 is hinged to the fixture bottom plate 321. The module positioning groove member 323 is disposed in the hollow groove 3211 of the fixture bottom plate 321. The module positioning groove member 323 is used for placing the VCSEL module 10. The temperature control module 31 includes a heating module 311 and a cooling module 312. The heating module 311 and the cooling module 312 are respectively located on both sides of the hollow groove 3211 and are both disposed at the bottom end of the module positioning groove member 323. A cooling fan 3111 is disposed at the lower end of the heating module 311.

[0030] The fixture component 32 further includes a pin signal access member 324 and a signal transfer member 325. The pin signal access member 324 is disposed in the device signal groove 3212 at one end of the fixture bottom plate 321. The device signal groove 3212 is disposed on one side of the hollow groove 3211. The VCSEL module 10 includes a projection end 101 and a pin end 102. The module positioning groove member 323 is provided with a projection positioning member 3231 on one side of the projection end 101. A projection transmission port 3232 is provided in the middle of the projection positioning member 3231. The module positioning groove member 323 is provided with a pin transfer member 3233 on one side of the pin end 102. The lower end of the pin transfer member 3233 is adapted to the pin end 102. One end of the signal transfer member 325 is connected to the upper end of the pin transfer member 3233, and the other end of the signal transfer member 325 is connected to the upper end of the pin signal access member 324.

[0031] The fixture cover plate 322 is provided with a transfer groove 3221 and a projection emission port 3222. The signal transfer member 325 is adapted to the transfer groove 3221 opened on the fixture cover plate 322, and the shape of the transfer groove 3221 matches that of the signal transfer member 325. The projection emission port 3222 is adapted to be above the projection transmission port 3232.

[0032] The high-precision five-axis adjustment assembly 2 is provided with a fixture support platform 21, an XY-axis adjustment module 22, a Z-axis adjustment module 23, an X-axis rotation module 24, and a Y-axis rotation module 25. The XY-axis adjustment module 22 is arranged at the lower end of the fixture support platform 21 and is used to achieve precise linear displacement adjustment of the X-axis and the Y-axis through the worm and worm gear mechanism in the XY-axis adjustment module 22. The X-axis rotation module 24 is arranged at the lower end of the XY-axis adjustment module 22 and is used to lift the fixture support platform 21 by jacking up the adjustment steel balls with the conical surface of the adjustment shaft parallel to the X-axis in the X-axis rotation module 24, so as to achieve the purpose of rotating and tilting on the X-axis. The Y-axis rotation module 25 is arranged at the lower end of the X-axis rotation module 24 and is used to jack up the steel ball sphere in contact with the X-axis rotation module 24 with the conical surface in the middle of the adjustment shaft parallel to the Y-axis in the Y-axis rotation module 25, so as to achieve the purpose of rotating and tilting on the Y-axis. The Z-axis adjustment module 23 is arranged at the lower end of the Y-axis rotation module 25.

[0033] The rotary support frame assembly 1 includes a frame body 11, a rotary motor 12, and a control board 13. The rotary motor 12 is arranged on the frame body 11, the control board 13 is arranged at the output end of the rotary motor 12, the high-precision five-axis adjustment assembly 2 is arranged at the upper end of the control board 13, and both the rotary support frame assembly 1 and the module fixture assembly 3 are electrically connected to the control board 13.

[0034] In summary, the specific implementation manner of the present utility model is as follows: The frame body 11 is used to support the entire holder device. The rotary motor 12 is installed on the frame body 11, the control board 13 is arranged at the output end of the rotary motor 12, and the high-precision five-axis adjustment assembly 2 is installed at the upper end of the control board 13. Among them, the XY-axis adjustment module 22 is arranged at the lower end of the fixture support platform 21 to achieve precise linear displacement adjustment of the X-axis and the Y-axis through the worm and worm gear mechanism. The X-axis rotation module 24 is arranged at the lower end of the XY-axis adjustment module 22, and the fixture support platform 21 is lifted by jacking up the adjustment steel balls with the conical surface of the adjustment shaft to achieve the purpose of rotating and tilting on the X-axis. The Y-axis rotation module 25 is arranged at the lower end of the X-axis rotation module 24, and the steel ball sphere in contact with the X-axis rotation module 24 is jacked up with the conical surface in the middle of the adjustment shaft to achieve the purpose of rotating and tilting on the Y-axis. The Z-axis adjustment module 23 is arranged at the lower end of the Y-axis rotation module 25 and is used to control the lifting and fine adjustment of the fixture support platform 21;

[0035] The fixture base plate 321 is installed on the fixture support platform 21. The fixture cover plate 322 is hinged to the fixture base plate 321. The module positioning groove member 323 is arranged in the hollow groove 3211 of the fixture base plate 321. The module positioning groove member 323 is used for placing the VCSEL module 10. The fixture cover plate 322 covers the upper end of the VCSEL module 10 along the hinge part and is positioned and fixed by the projection positioning member 3231;

[0036] The heating module 311 and the cooling module 312 are respectively located on both sides of the hollow groove 3211 and are both arranged at the bottom end of the module positioning groove member 323. A cooling fan 3111 is arranged at the lower end of the heating module to effectively dissipate heat and ensure the stable operation of the heating module. The heating module 311 and the cooling module 312 can control the temperature of the module fixture assembly 3 within the range of 0 to 60 °C;

[0037] The pin adapter 3233 is connected between the pin end 102 and the signal adapter 325. The other end of the signal adapter 325 is connected to the pin signal access member 324, so that the signal of the test device is input into the VCSEL module 10 from the pin signal access member 324.

[0038] The above is only the optimal solution embodiment of the present invention and is not used to limit the present invention. Various modifications or substitutions made by those skilled in the art to the present invention without departing from the essence and protection scope of the present invention should also be within the protection scope of the present invention.

Claims

1. A holder device for mounting a VCSEL module, characterized in that: The invention comprises a rotating support frame assembly (1), a high-precision five-axis adjustment assembly (2) and a module clamp assembly (3), wherein the high-precision five-axis adjustment assembly (2) is arranged on the rotating support frame assembly (1), the module clamp assembly (3) is arranged on the high-precision five-axis adjustment assembly (2), the module clamp assembly (3) comprises a temperature control module (31) and a clamp component (32), the temperature control module (31) is arranged at the lower end of the clamp component (32) and is used to adjust the temperature of the clamp component (32), the clamp component (32) is used to clamp a VCSEL module (10), and the high-precision five-axis adjustment assembly (2) is used to adjust the precise positions of the X-axis, Y-axis, Z-axis and two rotation axes around the X-axis and the Y-axis of the module clamp assembly (3).

2. A holder device for mounting a VCSEL module according to claim 1, characterized in that: The clamp component (32) comprises a clamp bottom plate (321), a clamp cover plate (322) and a module positioning groove (323); the clamp cover plate (322) is hinged on the clamp bottom plate (321); the module positioning groove (323) is arranged in a hollow groove (3211) of the clamp bottom plate (321); the module positioning groove (323) is used to place the VCSEL module (10); the temperature control module (31) comprises a heating module (311) and a cooling module (312); the heating module (311) and the cooling module (312) are respectively located on both sides of the hollow groove (3211) and are both arranged at the bottom end of the module positioning groove (323); a cooling fan (3111) is arranged at the lower end of the heating module (311).

3. A holder device for mounting a VCSEL module according to claim 2, characterized in that: The fixture component (32) further comprises a pin signal receiving member (324) and a signal adapter (325); the pin signal receiving member (324) is arranged in a device signal slot (3212) at one end of the fixture bottom plate (321); the device signal slot (3212) is arranged on one side of the hollow slot (3211); the VCSEL module (10) comprises a projection end (101) and a pin end (102); the module positioning slot member (323) is located on one side of the projection end (101) and is provided with a projection positioning member (3231), a projection transmission port (3232) is provided in the middle of the projection positioning member (3231), a pin adapter (3233) is provided on one side of the module positioning groove member (323) located at the pin end (102), the lower end of the pin adapter (3233) is adapted to the pin end (102), one end of the signal adapter (325) is connected to the upper end of the pin adapter (3233), and the other end of the signal adapter (325) is connected to the upper end of the pin signal access member (324).

4. A holder device for mounting a VCSEL module according to claim 3, characterized in that: The fixture cover plate (322) is provided with a transfer groove (3221) and a projection emission port (3222); the signal adapter (325) is adapted to be inserted into the transfer groove (3221) provided on the fixture cover plate (322); the shape of the transfer groove (3221) matches that of the signal adapter (325); and the projection emission port (3222) is adapted to be placed above the projection transmission port (3232).

5. A holder device for mounting a VCSEL module according to claim 1, characterized in that: The high-precision five-axis adjustment component (2) is provided with a fixture support platform (21), an XY-axis adjustment module (22), a Z-axis adjustment module (23), an X-axis rotation module (24) and a Y-axis rotation module (25); the XY-axis adjustment module (22) is provided at the lower end of the fixture support platform (21) to realize precise linear displacement adjustment of the X-axis and the Y-axis through a worm gear mechanism in the XY-axis adjustment module (22); the X-axis rotation module (24) is provided at the lower end of the XY-axis adjustment module (22) to realize precise linear displacement adjustment of the X-axis and the Y-axis through a worm gear mechanism in the XY-axis adjustment module (22); The conical surface of the adjustment axis in the movable module (24) parallel to the X-axis lifts up the adjustment steel ball to support the clamp support platform (21), so as to achieve the purpose of rotation and tilting on the X-axis. The Y-axis rotation module (25) is arranged at the lower end of the X-axis rotation module (24) to lift up the steel ball sphere abutting against the X-axis rotation module (24) through the conical surface in the middle of the adjustment axis in the Y-axis rotation module (25) parallel to the Y-axis, so as to achieve the purpose of rotation and tilting on the Y-axis. The Z-axis adjustment module (23) is arranged at the lower end of the Y-axis rotation module (25).

6. A holder device for mounting a VCSEL module according to claim 1, characterized in that: The rotating support frame assembly (1) comprises a frame body (11), a rotating motor (12) and a control board (13); the rotating motor (12) is arranged on the frame body (11); the control board (13) is arranged on the output end of the rotating motor (12); the high-precision five-axis adjustment assembly (2) is arranged on the upper end of the control board (13); and the rotating support frame assembly (1) and the module clamp assembly (3) are both electrically connected to the control board (13).

Images