A multi-threaded laser power measurement device for laser burn-in testing

Abstract

The application relates to the technical field of laser aging test, and discloses a multi-thread laser power measuring device for laser aging test, which comprises a test seat, the bottom surface of the test seat is fixedly connected with a transmission seat, the right side surface of the transmission seat is fixedly installed with a servo motor, the output end of the servo motor is fixedly installed with a transmission screw rod, the inside of the transmission seat is provided with a transmission block, the left end of the transmission screw rod penetrates through the transmission block and extends to the left side of the transmission block, the outer surface of the transmission screw rod is in threaded connection with the inner wall of the transmission block, the outer surface of the transmission block is in sliding connection with the inner wall of the transmission seat, the right side surface of the transmission block is fixedly connected with a transmission plate, and the upper surface of the transmission plate is fixedly connected with a moving plate. The multi-thread laser power measuring device for laser aging test is convenient for laser power measurement of lasers at different positions, can achieve the effect of multi-thread continuous test of the lasers, and improves the test efficiency of the lasers.

Description

Technical Field

[0001] The present invention relates to the technical field of laser aging testing, in particular to a multi-threaded laser power measuring device for laser aging testing. Background Art

[0002] A laser is a device or apparatus that produces laser radiation. It consists of a laser working substance, an excitation system, and an optical resonator. Based on the working substance, it can be divided into gas lasers, solid-state lasers, liquid lasers, and semiconductor lasers. Based on the operating mode, it can be divided into continuous, pulsed, and ultrashort pulse lasers. Free electron lasers have also been developed. Lasers have the characteristics of good monochromaticity, good directionality, and high brightness. As lasers age, they need to be tested using a measuring device. However, existing measuring devices still have the following problems when testing lasers:

[0003] 1. When testing lasers, existing measurement devices usually perform power tests on a single laser and then place the next laser for testing. This fails to achieve the effect of continuous multi-threaded testing of the laser, reducing the efficiency of laser testing.

[0004] 2. When the existing measuring device is used to test the laser, it is difficult to fix and clamp the laser during the test, which easily causes the laser to slip during the test, affecting the accuracy of the laser test. For this reason, the invention provides a multi-threaded laser power measurement device for laser aging test. Summary of the Invention

[0005] The present invention provides a multi-threaded laser power measurement device for laser aging testing, which solves the problem that when testing a laser, the existing measuring device usually performs a power test on a single laser and then places the next laser for testing after the test, which fails to achieve the effect of continuous multi-threaded testing of the laser and reduces the testing efficiency of the laser. In addition, when testing a laser, the existing measuring device is difficult to fix and clamp the laser, which easily causes the laser to slip during the test, thereby affecting the accuracy of the laser test.

[0006] The present invention provides the following technical solution: a multi-threaded laser power measurement device for laser aging test, comprising a test seat, a transmission seat fixedly connected to the bottom surface of the test seat, a servo motor fixedly mounted on the right side of the transmission seat, a transmission screw fixedly mounted on the output end of the servo motor, a transmission block provided inside the transmission seat, the left end of the transmission screw passing through the transmission block and extending to the left side of the transmission block, the outer surface of the transmission screw being threadedly connected to the inner wall of the transmission block, the outer surface of the transmission block being slidably connected to the inner wall of the transmission seat, a transmission plate fixedly connected to the right side of the transmission block, a movable plate fixedly connected to the upper surface of the movable plate, a beam combiner and an optical modulator fixedly mounted on the upper surface of the movable plate, respectively, the beam combiner being located in front of the optical modulator, a support block fixedly connected to the back surface of the movable plate, an optical power meter fixedly mounted on the upper surface of the support block, a tester fixedly mounted on the bottom surface of the test seat, a plurality of test positioning seats fixedly mounted on the upper surface of the test seat, a fixing hole being opened on the back of each of the test positioning seats, and a plurality of power connectors fixedly embedded on the front surface of the test seat.

[0007] As a preferred technical solution of the present invention, the left and right sides of the test seat are fixedly connected with fixed plates, the backs of the two fixed plates are fixedly installed with electric cylinders, and the telescopic ends of the two electric cylinders are fixedly connected with connecting plates.

[0008] As a preferred technical solution of the present invention, a sliding plate is provided on the upper surface of the test seat, and the side surfaces of the two connecting plates close to each other are fixedly connected to the left and right side surfaces of the sliding plate respectively, and the front surface of the sliding plate is fixedly connected to a plurality of fixed clamps, and the front end of each fixed clamp extends to the interior of each test positioning seat respectively.

[0009] As a preferred technical solution of the present invention, a mounting support is provided outside the test seat, a conductive slide rail is fixedly mounted on the upper surface of the mounting support, and a conductive block is slidably connected to the outer surface of the conductive slide rail.

[0010] As a preferred technical solution of the present invention, a connecting block is fixedly connected to the upper surface of the conductive block, and the upper surface of the connecting block is fixedly connected to the bottom surface of the movable plate.

[0011] As a preferred technical solution of the present invention, two groups of mounting parts are fixedly connected to the outer surface of the mounting support, and mounting holes are provided on the bottom surfaces of the two groups of mounting parts.

[0012] As a preferred technical solution of the present invention, the bottom surface of the test seat is fixedly connected to two support seats, the bottom surfaces of the two support seats are fixedly connected to mounting seats, and the bottom surfaces of the two mounting seats are provided with two groups of mounting ports.

[0013] As a preferred technical solution of the present invention, a bearing is fixedly embedded in the inner wall of the transmission seat, and the outer surface of the left end of the transmission screw is fixedly connected to the inner ring of the bearing.

[0014] As a preferred technical solution of the present invention, a slide groove is provided on the back of the test seat, the left end of the movable plate extends into the interior of the slide groove, and the outer surface of the left end of the movable plate is slidably connected to the inner wall of the slide groove.

[0015] As a preferred technical solution of the present invention, the optical power meter is electrically connected to the tester via a wireless signal, a display screen is fixedly embedded on the front of the tester, and the tester is electrically connected to the display screen via a wire.

[0016] The present invention has the following beneficial effects:

[0017] 1. The multi-threaded laser power measurement device for laser aging test, through the setting of two electric cylinders and the cooperation with the connecting plate and the sliding plate, can drive multiple fixed clamps to slide forward and clamp the laser inside the test positioning seat, thereby achieving the effect of fixing and clamping the laser during testing, avoiding sliding during laser testing, and improving the accuracy of laser testing.

[0018] 2. The multi-threaded laser power measurement device for laser aging test can drive the beam combiner, optical modulator and optical power meter to move flexibly left and right through the transmission seat and servo motor, and cooperate with the transmission screw, transmission block, transmission plate and moving plate, so as to facilitate the laser power measurement of lasers in different positions, thereby achieving the effect of multi-threaded continuous testing of lasers and improving the testing efficiency of lasers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the front view of the present invention;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the rear view of the present invention;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the front view of the test socket in the present invention;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the rear view of the transmission seat in the present invention;

[0023] Figure 5 is a sectional view of a side view of the present invention;

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the top view of the movable plate of the present invention.

[0025] In the figure: 1. Test seat; 2. Transmission seat; 3. Tester; 4. Test positioning seat; 5. Transmission block; 6. Bearing; 7. Transmission screw; 8. Servo motor; 9. Transmission plate; 10. Moving plate; 11. Combiner; 12. Optical modulator; 13. Support block; 14. Optical power meter; 15. Sliding plate; 16. Fixed clamp; 17. Connecting plate; 18. Electric cylinder; 19. Fixed plate; 20. Power connector; 21. Support seat; 22. Mounting seat; 23. Mounting port; 24. Mounting support; 25. Conductive slide rail; 26. Conductive block; 27. Connecting block; 28. Mounting part; 29. ​​Mounting hole; 30. Slide groove; 31. Fixing hole; 32. Display screen. DETAILED DESCRIPTION

[0026] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0027] See also Figure 1-6 A multi-threaded laser power measuring device for laser aging test includes a test seat 1, a transmission seat 2 is fixedly connected to the bottom surface of the test seat 1, a servo motor 8 is fixedly installed on the right side of the transmission seat 2, a transmission screw 7 is fixedly installed on the output end of the servo motor 8, a transmission block 5 is provided inside the transmission seat 2, the left end of the transmission screw 7 passes through the transmission block 5 and extends to the left side of the transmission block 5, the outer surface of the transmission screw 7 is threadedly connected to the inner wall of the transmission block 5, the outer surface of the transmission block 5 is slidingly connected to the inner wall of the transmission seat 2, the right side of the transmission block 5 is fixedly connected to a transmission plate 9, the upper surface of the transmission plate 9 is fixedly connected to a moving plate 10, and the upper surface of the moving plate 10 is respectively fixedly installed with a beam combiner 11 and an optical modulator 12, and the beam combiner 11 is located in front of the optical modulator 12.

[0028] The back surface of the moving plate 10 is fixedly connected with a supporting block 13, the upper surface of the supporting block 13 is fixedly installed with a light power meter 14, the bottom surface of the test seat 1 is fixedly installed with a tester 3, the upper surface of the test seat 1 is fixedly installed with a plurality of test positioning seats 4, the back surface of each test positioning seat 4 is provided with a fixed hole 31, the front surface of the test seat 1 is fixedly embedded with a plurality of power connectors 20, the servo motor 8 refers to the engine for controlling the operation of the mechanical element in the servo system, which is an auxiliary motor indirect speed changing device, the servo motor 8 can control the speed and the position accuracy, and can convert the voltage signal into torque and speed to drive the control object, and the light power meter 14 refers to an instrument for measuring absolute optical power or relative loss of optical power through an optical fiber, in an optical fiber system, measuring optical power is the most basic, and the light power meter 14 is combined with a stable light source, so that the connection loss can be measured, the continuity can be tested, and the optical fiber link transmission quality can be evaluated.

[0029] In a preferred embodiment, the left and right side surfaces of the test seat 1 are fixedly connected with fixed plates 19, the back surfaces of the two fixed plates 19 are fixedly installed with electric cylinders 18, the telescopic ends of the two electric cylinders 18 are fixedly connected with connecting plates 17, the upper surface of the test seat 1 is provided with a sliding plate 15, the left and right side surfaces of the sliding plate 15 are fixedly connected with the sides of the two connecting plates 17 that are close to each other, the front ends of the plurality of fixed clamping blocks 16 are respectively extended into the interiors of the plurality of test positioning seats 4, through the setting of the two electric cylinders 18 and the cooperation of the connecting plates 17 and the sliding plate 15, the plurality of fixed clamping blocks 16 can be driven to slide forward, and the plurality of fixed clamping blocks 16 can clamp and fix the lasers in the test positioning seats 4.

[0030] In a preferred embodiment, the outside of the test seat 1 is provided with a mounting support 24, the upper surface of the mounting support 24 is fixedly installed with a conductive sliding rail 25, the outer surface of the conductive sliding rail 25 is slidably connected with a conductive block 26, the upper surface of the conductive block 26 is fixedly connected with a connecting block 27, and the upper surface of the connecting block 27 is fixedly connected with the bottom surface of the moving plate 10, through the conductive sliding rail 25 provided above the mounting support 24 and the cooperation of the conductive block 26 and the connecting block 27, the plurality of test components above the moving plate 10 can be provided with electric energy, the problem of entanglement caused by power supply wires is avoided, and the friction hazard caused to the power supply wires is reduced.

[0031] In a preferred implementation, the outer surface of the mounting support 24 is fixedly connected with two sets of mounting members 28, the bottom surface of each set of mounting members 28 is provided with a mounting hole 29, the bottom surface of the test seat 1 is fixedly connected with two support seats 21, the bottom surface of each support seat 21 is fixedly connected with a mounting seat 22, the bottom surface of each mounting seat 22 is provided with two sets of mounting openings 23, through the mounting members 28 and the mounting holes 29, and cooperating with the support seats 21 and the mounting seats 22, the device can be conveniently installed and fixed, avoiding the problem of inconvenient installation of the device.

[0032] In a preferred implementation, the inner wall of the transmission seat 2 is fixedly embedded with a bearing 6, the outer surface of the left end of the transmission screw 7 is fixedly connected with the inner ring of the bearing 6, the back surface of the test seat 1 is provided with a sliding groove 30, the left end of the moving plate 10 extends into the inside of the sliding groove 30, the outer surface of the left end of the moving plate 10 is slidingly connected with the inner wall of the sliding groove 30, through the arrangement of the bearing 6, the left end of the transmission screw 7 can be supported, through the arrangement of the sliding groove 30, the moving plate 10 can move left and right more stably, avoiding the phenomenon of shaking when moving.

[0033] In a preferred implementation, the optical power meter 14 is electrically connected with the tester 3 through wireless signals, the front surface of the tester 3 is fixedly embedded with a display screen 32, the tester 3 is electrically connected with the display screen 32 through wires, through the optical power meter 14, the laser power signal can be transmitted and displayed and viewed through the display screen 32.

[0034] The working principle is that when the device is used, first, the device is installed and fixed through the mounting seat 22, the mounting opening 23, the mounting member 28 and the mounting hole 29, then the device is connected with the power supply, and multiple lasers are placed in multiple test positioning seats 4, then the two electric cylinders 18 are started to contract and move, which can drive the connecting plate 17, the sliding plate 15 and multiple fixed clamping blocks 16 to slide forward, and can make the multiple fixed clamping blocks 16 clamp and fix the lasers in the test positioning seats 4, ensuring the stability of the laser test;

[0035] Then the wire harness connector of the laser is connected with the power connector 20, and the laser generates light energy pulses of different frequencies, then the light energy is combined through the beam combiner 11, and the output light energy of each laser is modulated into modulated signals of different frequencies through the optical modulator 12, then the laser power signal is converted into an electrical signal through the optical power meter 14, and is transmitted to the tester 3 for processing, which can collect the output power of the laser, then the servo motor 8 is started to operate, which can drive the transmission screw 7 and the transmission block 5 to cooperate with transmission, and also drives the beam combiner 11, the optical modulator 12 and the optical power meter 14 to move, facilitating the multi-thread continuous testing of different lasers.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "includes," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multi-threaded laser power measurement device for laser aging test, comprising a test seat (1), characterized in that: The bottom surface of the test seat (1) is fixedly connected to a transmission seat (2), a servo motor (8) is fixedly installed on the right side of the transmission seat (2), a transmission screw (7) is fixedly installed on the output end of the servo motor (8), a transmission block (5) is provided inside the transmission seat (2), the left end of the transmission screw (7) passes through the transmission block (5) and extends to the left side of the transmission block (5), the outer surface of the transmission screw (7) is threadedly connected to the inner wall of the transmission block (5), the outer surface of the transmission block (5) is slidably connected to the inner wall of the transmission seat (2), the right side of the transmission block (5) is fixedly connected to a transmission plate (9), the upper surface of the transmission plate (9) is fixedly connected to a moving plate (10), the upper surface of the moving plate (10) A beam combiner (11) and an optical modulator (12) are fixedly installed respectively, the beam combiner (11) is located in front of the optical modulator (12), the back of the movable plate (10) is fixedly connected to a support block (13), the upper surface of the support block (13) is fixedly installed with an optical power meter (14), the bottom surface of the test seat (1) is fixedly installed with a tester (3), the upper surface of the test seat (1) is fixedly installed with a plurality of test positioning seats (4), the back of each of the test positioning seats (4) is provided with a fixing hole (31), the front of the test seat (1) is fixedly inlaid with a plurality of power connectors (20), the wiring harness connector of the laser is connected to the power connector (20), and the laser generates light energy pulses of different frequencies.

2. The multi-threaded laser power measurement device for laser aging test according to claim 1, characterized in that: The left and right sides of the test seat (1) are fixedly connected to fixed plates (19), the backs of the two fixed plates (19) are fixedly mounted with electric cylinders (18), and the telescopic ends of the two electric cylinders (18) are fixedly connected to connecting plates (17).

3. The multi-threaded laser power measurement device for laser aging test according to claim 2, characterized in that: A sliding plate (15) is provided on the upper surface of the test seat (1), and the side surfaces of the two connecting plates (17) close to each other are fixedly connected to the left and right side surfaces of the sliding plate (15), respectively. The front surface of the sliding plate (15) is fixedly connected to a plurality of fixed clamping blocks (16), and the front end of each fixed clamping block (16) extends to the interior of each test positioning seat (4).

4. The multi-threaded laser power measurement device for laser aging test according to claim 1, characterized in that: The test seat (1) is provided with a mounting support (24) on the outside, a conductive slide rail (25) is fixedly mounted on the upper surface of the mounting support (24), and a conductive block (26) is slidably connected to the outer surface of the conductive slide rail (25).

5. The multi-threaded laser power measurement device for laser aging test according to claim 4, characterized in that: The upper surface of the conductive block (26) is fixedly connected to a connecting block (27), and the upper surface of the connecting block (27) is fixedly connected to the bottom surface of the movable plate (10).

6. The multi-threaded laser power measurement device for laser aging test according to claim 4, characterized in that: Two groups of mounting parts (28) are fixedly connected to the outer surface of the mounting support (24), and mounting holes (29) are provided on the bottom surfaces of the two groups of mounting parts (28).

7. The multi-threaded laser power measurement device for laser aging test according to claim 1, characterized in that: The bottom surface of the test seat (1) is fixedly connected to two support seats (21), the bottom surfaces of the two support seats (21) are fixedly connected to mounting seats (22), and the bottom surfaces of the two mounting seats (22) are provided with two groups of mounting openings (23).

8. The multi-threaded laser power measurement device for laser aging test according to claim 1, characterized in that: A bearing (6) is fixedly embedded in the inner wall of the transmission seat (2), and the outer surface of the left end of the transmission screw (7) is fixedly connected to the inner ring of the bearing (6).

9. The multi-threaded laser power measurement device for laser aging test according to claim 1, characterized in that: A slide groove (30) is provided on the back of the test seat (1), the left end of the movable plate (10) extends to the inside of the slide groove (30), and the outer surface of the left end of the movable plate (10) is slidably connected to the inner wall of the slide groove (30).

10. The multi-threaded laser power measurement device for laser aging test according to claim 1, characterized in that: The optical power meter (14) is electrically connected to the tester (3) via a wireless signal; a display screen (32) is fixedly embedded on the front of the tester (3); and the tester (3) is electrically connected to the display screen (32) via a wire.

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