Pulsed Laser Test System

Abstract

The utility model provides a pulse laser test system, which belongs to the field of laser detection technology, including a bearing base plate, a laser power-on workbench, a power probe and a probe mounting frame; the laser power-on workbench is arranged on the bearing base plate, and the laser power-on workbench has a degree of freedom along the Z-axis direction; the probe mounting frame includes a longitudinal frame and a transverse frame, the longitudinal frame is arranged on the bearing base plate for movement along the Y-axis direction; the transverse frame is arranged at the upper end of the longitudinal frame for movement along the X-axis direction, and the power probe is mounted on the transverse frame. The pulse laser test system provided by the utility model realizes the free adjustment of the test system in three directions, and thus realizes the test function for pulse laser products of various sizes, has strong compatibility, does not need to set up fixtures for different products separately, improves the detection efficiency, and different products are measured by the same measurement system, the measurement standards are consistent, which is conducive to batch detection and production of products.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser detection, and more specifically relates to a pulse laser testing system. Background Art

[0002] Pulse lasers have been increasingly widely used in laser radar, laser ranging, laser sensing, laser medical treatment, laser display, laser communication, and artificial intelligence. Before the finished product is shipped, the factory needs to test the pulse laser to ensure its functional stability. The traditional test method for cylindrical rotating lasers is manual grip alignment test, which has the disadvantages of high labor intensity, slow alignment speed, and easy shaking when holding the laser, which is not conducive to continuous testing.

[0003] In order to adapt to the small size and light weight of pulse lasers and improve the measurement efficiency of pulse laser power, the staff customized the test fixture according to the size of each pulse laser. However, due to the different size specifications of different product models, it is necessary to process a variety of test fixtures, and the compatibility of various test fixtures is poor and it is not easy to mass produce. They need to be customized and updated according to the pulse laser products, and the detection efficiency is low. Utility Model Content

[0004] The utility model aims to provide a pulse laser test system, aiming to solve the problems of poor compatibility and low detection efficiency of pulse laser power measurement fixtures.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a pulse laser test system, including a bearing base plate, a laser power-on workbench, a power probe and a probe mounting frame; the laser power-on workbench is arranged on the bearing base plate, and the laser power-on workbench has a degree of freedom along the Z-axis direction; a laser power-on module is arranged at the upper end of the laser power-on workbench; the probe mounting frame includes a longitudinal frame and a transverse frame, the longitudinal frame is arranged on the bearing base plate and is located on one side of the laser power-on workbench while being movable along the Y-axis direction; the transverse frame is arranged at the upper end of the longitudinal frame and extends to the top of the laser power-on workbench while being movable along the X-axis direction, and the power probe is mounted on the transverse frame and corresponds to the power-on area at the upper end of the laser power-on module.

[0006] As another embodiment of the present application, the laser power-on workbench includes a lifting platform arranged at the upper end of the supporting base plate, and the lifting platform has a degree of freedom along the Z-axis direction; the laser power-on module is movably arranged on the upper end surface of the lifting platform.

[0007] As another embodiment of the present application, the laser power-on workbench also includes a translation base plate; the translation base plate is located at the upper end of the lifting platform and is used to carry the laser power-on module.

[0008] As another embodiment of the present application, the upper end surface of the translation base plate is provided with at least two ribs, and the two ribs are vertically arranged; the two ribs are used to limit the laser power-on module.

[0009] As another embodiment of the present application, a mounting groove for mounting the power probe is formed at the free end of the transverse frame, a through hole penetrating the transverse frame is formed at the bottom of the mounting groove, and the through hole is located above the laser power-on workbench.

[0010] As another embodiment of the present application, the through hole is an elongated hole along the Y-axis direction, and an arc-shaped notch is provided at one end of the elongated hole; a clearance notch is opened on one side wall of the mounting groove, and the clearance notch is connected to the elongated hole.

[0011] As another embodiment of the present application, the mounting groove extends along the X-axis direction to the free end of the horizontal frame.

[0012] As another embodiment of the present application, a first adjustment groove with a notch facing upward is opened at the fixed end of the transverse frame along the X-axis direction, and a first elongated hole is opened at the bottom of the first adjustment groove. The first elongated hole penetrates the transverse frame and forms a first limiting step with the inner side wall of the first adjustment groove; the transverse frame is connected to the upper end of the longitudinal frame by means of a limiting bolt penetrating the first elongated hole; correspondingly, a second adjustment groove with a notch facing downward is opened on the bearing base plate along the Y-axis direction, and a second elongated hole is opened at the bottom of the second adjustment groove. The second elongated hole penetrates the bearing base plate and forms a second limiting step with the side wall of the second adjustment groove; the lower end of the longitudinal frame is connected to the upper end of the bearing base plate by means of a limiting bolt penetrating the second elongated hole.

[0013] As another embodiment of the present application, the fixed end of the horizontal frame is also provided with a displacement groove opened along the X-axis direction, and the upper end of the longitudinal frame is provided with a slider that slides with the displacement groove; one side of the slider is rotatably connected to a driving bolt, and the driving bolt penetrates the groove wall of the displacement groove along the X-axis direction and is threadedly engaged with the groove wall of the displacement groove; the free end of the driving bolt is provided with a knob.

[0014] As another embodiment of the present application, the supporting base plate is provided with limit plates at both ends along the Y-axis direction, a threaded rod is provided along the Y-axis direction between the two limit plates, and the threaded rod is rotationally matched with the two limit plates; a moving block is provided on the side of the longitudinal frame close to the limit plate, and the moving block is threadedly matched with the threaded rod.

[0015] The beneficial effects of the pulse laser test system provided by the utility model are as follows: compared with the prior art, in the pulse laser test system of the utility model, the power probe is installed on the probe mounting frame and realizes displacement in the X-axis direction through the horizontal frame body, and realizes displacement along the Y-axis direction through the longitudinal frame body; and the laser power-on workbench for carrying the pulse laser has a degree of freedom along the Z-axis direction, thereby adjusting the distance between the pulse laser and the power probe, realizing free adjustment of the test system in three directions, thereby realizing the test function of pulse laser products of various sizes, and having strong compatibility, without the need to set up fixtures separately for different products, thereby improving the detection efficiency, and different products are measured by the same measurement system with consistent measurement standards, which is conducive to batch detection and production of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a pulse laser testing system provided in the first embodiment of the utility model;

[0018] Figure 2 A front view of a pulse laser testing system provided by the first embodiment of the utility model;

[0019] Figure 3 A top view of a pulse laser testing system provided in a second embodiment of the utility model;

[0020] Figure 4 This is a front view of a pulse laser testing system provided in the second embodiment of the utility model.

[0021] In the figure: 1. load-bearing base plate; 2. longitudinal frame; 3. transverse frame; 4. first adjustment slot; 5. second adjustment slot; 6. power sensor; 7. detection circuit housing; 8. battery; 9. mounting slot; 10. clearance notch; 11. laser power-on module; 12. power-on area; 13. lifting platform; 14. translation base plate; 15. retaining edge; 16. displacement slot; 17. slider; 18. driving bolt; 19. limit plate; 20. threaded rod; 21. through hole. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] See also Figures 1 to 4 , the pulse laser test system provided by the utility model is now described. The pulse laser test system includes a bearing base plate 1, a laser power-on workbench, a power probe 6 and a probe mounting frame; the laser power-on workbench is arranged on the bearing base plate 1, and the laser power-on workbench has a degree of freedom along the Z-axis direction; a laser power-on module 11 is arranged at the upper end of the laser power-on workbench; the probe mounting frame includes a longitudinal frame 2 and a transverse frame 3, the longitudinal frame 2 is arranged on the bearing base plate 1 and is located on one side of the laser power-on workbench along the Y-axis direction; the transverse frame 3 is arranged at the upper end of the longitudinal frame 2 and extends to the upper part of the laser power-on workbench along the X-axis direction, and the power probe 6 is installed on the transverse frame 3 and corresponds to the power-on area 12 at the upper end of the laser power-on module 11.

[0024] Compared with the prior art, the pulse laser test system provided by the utility model has a power probe 6 installed on a probe mounting frame and realizes displacement in the X-axis direction through a transverse frame 3, and realizes displacement along the Y-axis direction through a longitudinal frame 2; and a laser power-on workbench for carrying a pulse laser has a degree of freedom along the Z-axis direction, thereby adjusting the distance between the pulse laser and the power probe 6, realizing free adjustment of the test system in three directions, thereby realizing the test function of pulse laser products of various sizes, with strong compatibility, no need to set up fixtures separately for different products, thus improving the detection efficiency, and different products are measured by the same measurement system with consistent measurement standards, which is conducive to batch detection and production of products.

[0025] Specifically, the laser power-on workbench includes a lifting platform 13 disposed at the upper end of the bearing base plate 1, and the lifting platform 13 has a degree of freedom along the Z-axis direction; the laser power-on module 11 is movably disposed on the upper end surface of the lifting platform 13. Optionally, the power-on area 12 is a groove for installing a pulse laser, and an electrical connector is provided at the bottom of the groove.

[0026] The lifting platform 13 can be a two-dimensional lifting platform 13 or a one-dimensional lifting platform 13, such as a scissor-type lifting platform 13. A driving knob is provided on one side of the lifting platform 13, and the lifting platform 13 can be lifted and lowered by rotating the knob. A laser power-on module is installed at the upper end of the lifting platform 13, and an adjustable test circuit is provided inside the laser power-on module. The power-on area 12 provided at the upper end of the laser power-on module is used to install and electrically connect the pulse laser. The lifting platform 13 can be connected to the bearing base plate 1 by bolts.

[0027] Optionally, the laser power-on workbench further includes a translation base plate 14, which is located at the upper end of the lifting platform 13 and is used to carry the laser power-on module 11. The translation base plate 14 can be connected to the upper end of the lifting platform 13 by bolts. One of the outer edges of the translation base plate 14 is flush with the edge of the lifting platform 13. The area of ​​the upper end surface of the translation base plate 14 is larger than the area of ​​the lifting platform 13.

[0028] At least two flanges 15 are provided on the upper end surface of the translation bottom plate 14, and the two flanges 15 are arranged vertically; the two flanges 15 are used to limit the laser power-on module 11. One of the two flanges 15 is located at one side edge of the translation bottom plate 14 close to the longitudinal frame 2, and the other flange 15 is located at the other side edge of the translation bottom plate 14 and is perpendicular to the above flange 15. The upper end surfaces of the two flanges 15 protrude from the upper end surface of the translation bottom plate 14. The two flanges 15 form a right-angle limit, which can be used to limit the laser power-on module 11 during detection, that is, the two side walls of the laser power-on module 11 are respectively attached to the inner side walls of the two flanges 15.

[0029] In some possible embodiments, see Figure 1 The free end of the transverse frame 3 is provided with a mounting groove 9 for mounting the power probe 6, and the bottom of the mounting groove 9 is provided with a through hole 21 penetrating the transverse frame 3, and the through hole 21 is located above the laser power-on workbench.

[0030] The fixed end of the transverse frame 3 is connected to the upper end of the longitudinal frame 2, and the free end of the transverse frame 3 is used to install the power probe 6. A mounting groove 9 with a notch facing upwards is provided at the upper end surface of the transverse frame 3. The width of the mounting groove 9 is consistent with the width of the power probe 6. Bolt holes are provided on the side walls on both sides of the mounting groove 9 for fixing the power probe 6. A through hole 21 along the Z axis is provided at the bottom of the mounting groove 9. The through hole 21 is used to adapt the active end of the power probe 6 to extend from the lower end of the through hole 21.

[0031] The through hole 21 is located above the laser powering workbench, and the active end of the power probe 6 in the through hole 21 corresponds to the pulse laser in the powering area 12 on the laser powering module 11, and is used to measure the power of the pulse laser. Optionally, the power probe 6 can be an integrating sphere.

[0032] The through hole 21 is a long hole along the Y-axis direction, and an arc-shaped notch is provided at one end of the long hole; a clearance notch 10 is provided on one side wall of the installation groove 9, and the clearance notch 10 is connected to the long hole. The arc-shaped notch and the clearance notch 10 facilitate the removal and placement of the power probe 6.

[0033] Optionally, a detection circuit housing 7 and a battery 8 are sequentially arranged on one side of the integrating sphere. For ease of installation, the mounting groove 9 extends along the X-axis direction to the end surface of the free end of the horizontal frame 3. A plurality of bolt holes are arranged at intervals on the side wall of the mounting groove 9, and the bolt holes penetrate the side plate of the mounting groove 9. One or more clearance openings are opened at one end of the mounting groove 9 away from the free end of the horizontal frame 3. The clearance openings are semicircular notches, and the depth of the clearance openings is consistent with the depth of the mounting groove 9. When there are multiple clearance openings, the multiple clearance openings are evenly distributed along the width direction of the mounting groove 9.

[0034] In some possible embodiments, see Figure 1 and Figure 2 A first adjusting groove 4 with a notch facing upward is opened at the fixed end of the transverse frame 3 along the X-axis direction, and a first long hole is opened at the bottom of the first adjusting groove 4. The first long hole penetrates the transverse frame 3 and forms a first limiting step with the inner wall of the first adjusting groove 4; the transverse frame 3 is connected to the upper end of the longitudinal frame 2 by means of a limiting bolt penetrating the first long hole; correspondingly, a second adjusting groove 5 with a notch facing downward is opened on the bearing base plate 1 along the Y-axis direction, and a second long hole is opened at the bottom of the second adjusting groove 5. The second long hole penetrates the bearing base plate 1 and forms a second limiting step with the side wall of the second adjusting groove 5; the lower end of the longitudinal frame 2 is connected to the upper end of the bearing base plate 1 by means of a limiting bolt penetrating the second long hole.

[0035] The fixed end of the transverse frame 3 is provided with a first adjustment slot 4 along the X-axis direction, the slot of the first adjustment slot 4 faces upward, and the first elongated hole provided at the bottom of the slot of the first adjustment slot 4 penetrates the transverse frame 3 longitudinally. A first limiting step is formed between the side wall of the first elongated hole and the side wall of the first adjustment slot 4. The transverse frame 3 is connected to the longitudinal frame 2 by means of a limiting bolt. Specifically, the limiting bolt penetrates the first adjustment slot 4 and the first elongated hole in sequence and extends into the bolt hole provided on the upper end surface of the longitudinal frame 2. Since the length of the first adjustment slot 4 and the first elongated hole along the X-axis direction is greater than the diameter of the limiting bolt, the transverse frame 3 has a degree of freedom in the direction along the X-axis. After the transverse frame 3 is moved into position, the limiting bolt can be tightened to complete the positioning in the X-axis direction. In order to locate the moving direction of the transverse frame 3, two first adjustment slots 4 and two first elongated holes are provided on the transverse frame 3. The two first adjustment slots 4 are parallel, and the two first elongated holes are parallel. When adjusting, two need to be adjusted simultaneously.

[0036] Similarly, a bolt hole is also provided on the lower end surface of the longitudinal frame 2, and a second adjustment slot 5 with a notch facing downward is provided on the lower end surface of the bearing bottom plate 1, and the length direction of the second adjustment slot 5 is consistent with the Y-axis direction. A second elongated hole is provided at the bottom of the second adjustment slot 5, and the length direction of the second elongated hole is consistent with the Y-axis direction, and the length of the second elongated hole is smaller than the length of the second adjustment slot 5, and the width of the second elongated hole is smaller than the width of the second adjustment slot 5. A second limiting step is formed by the cooperation between the lower end surface of the second elongated hole and the inner side wall of the second adjustment slot 5, and the limiting bolt passes through the second adjustment slot 5 and the second elongated hole from bottom to top in sequence and extends into the bolt hole on the lower end surface of the longitudinal frame 2 to complete the fixing of the longitudinal frame 2 and the bearing bottom plate 1. In order to locate the moving direction of the longitudinal frame 2, two bolt holes are provided at the lower end of the longitudinal frame 2 along the Y-axis direction, and the two limiting bolts pass through the second adjustment slot 5 and the second elongated hole at intervals and are correspondingly connected to the two bolt holes at the lower end of the longitudinal frame 2.

[0037] In some possible embodiments, see Figure 3 and Figure 4 The fixed end of the transverse frame 3 is also provided with a displacement groove 16 along the X-axis direction, and the upper end of the longitudinal frame 2 is provided with a slider 17 that slides with the displacement groove 16; one side of the slider 17 is rotatably connected to a driving bolt 18, and the driving bolt 18 penetrates the groove wall of the displacement groove 16 along the X-axis direction and is threadedly engaged with the groove wall of the displacement groove 16; the free end of the driving bolt 18 is provided with a knob.

[0038] For the convenience of adjustment, sliding bolts are provided in the two first adjustment grooves 4 at the fixed end of the transverse frame 3. The sliding bolts are slidably matched with the first adjustment grooves 4 and fixed to the upper end of the longitudinal frame 2. A displacement groove 16 along the X-axis direction is also provided between the two first adjustment grooves 4. The structure of the displacement groove 16 is consistent with that of the first adjustment groove 4, and a long hole penetrating the transverse frame 3 is also provided at the bottom of the groove. A slider 17 is installed in the displacement groove 16, and the slider 17 is slidably matched with the displacement groove 16. A driving bolt 18 penetrates the groove wall of the displacement groove 16 along the direction of the X-axis and extends to the slider 17. The free end of the driving bolt 18 is rotatably connected to the slider 17, and a knob is provided at the fixed end of the driving bolt 18. The driving bolt 18 rotates and displaces along the X-axis direction to push the longitudinal frame 2, so that the transverse frame 3 moves relative to the longitudinal frame 2 along the X-axis direction.

[0039] In some possible embodiments, see Figure 3 and Figure 4 A limit plate 19 is provided at both ends of the supporting base plate 1 along the Y-axis direction, and a threaded rod 20 is provided along the Y-axis direction between the two limit plates 19, and the threaded rod 20 is rotationally matched with the two limit plates 19; a moving block is provided on one side of the longitudinal frame 2 close to the limit plate 19, and the moving block is threadedly matched with the threaded rod 20.

[0040] For the convenience of adjustment, sliding bolts are provided in the two second adjustment grooves 5 of the bearing base plate 1. The sliding bolts are slidably matched with the second adjustment grooves 5 and fixed to the lower end of the longitudinal frame 2. The upper end surface of the bearing base plate 1 is provided with limit plates 19 at both ends along the Y-axis direction. The length between the two limit plates 19 is greater than the length of the second adjustment groove 5. The threaded rod 20 provided between the two limit plates 19 is located on the side of the longitudinal frame 2 away from the lifting platform 13 or between the longitudinal frame 2 and the lifting platform 13. The length direction of the threaded rod 20 is consistent with the length direction of the second adjustment groove 5. The moving block with threaded fit on the threaded rod 20 has its fixed end connected to the longitudinal frame 2 and drives the longitudinal frame 2 to move.

[0041] The longitudinal frame 2, the transverse frame 3, the bearing bottom plate 1 and the translation bottom plate 14 can all adopt plate structures. An electric slide rail driving structure can be set between the longitudinal frame 2 and the bearing bottom plate 1, and between the transverse frame 3 and the longitudinal frame 2. The moving directions of the two electric slide rail driving structures are respectively the Y-axis direction and the X-axis direction.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Pulse laser test system, characterized in that, The invention comprises a bearing base plate (1), a laser power-on workbench, a power probe (6) and a probe mounting frame; the laser power-on workbench is arranged on the bearing base plate (1), and has a degree of freedom along the Z-axis direction; a laser power-on module (11) is arranged at the upper end of the laser power-on workbench; the probe mounting frame comprises a longitudinal frame (2) and a transverse frame (3); the longitudinal frame (2) is arranged on the bearing base plate (1) and is movable along the Y-axis direction and is located on one side of the laser power-on workbench; the transverse frame (3) is arranged at the upper end of the longitudinal frame (2) and is movable along the X-axis direction and extends to the upper part of the laser power-on workbench; the power probe (6) is mounted on the transverse frame (3) and corresponds to the power-on area (12) at the upper end of the laser power-on module (11).

2. The pulse laser test system according to claim 1, characterized in that: The laser power-on workbench comprises a lifting platform (13) arranged at the upper end of the bearing base plate (1), and the lifting platform (13) has a degree of freedom along the Z-axis direction; the laser power-on module (11) is movably arranged on the upper end surface of the lifting platform (13).

3. The pulse laser test system according to claim 2, characterized in that: The laser power-on workbench also includes a translation base plate (14); the translation base plate (14) is located at the upper end of the lifting platform (13) and is used to carry the laser power-on module (11).

4. The pulse laser test system according to claim 3, characterized in that: The upper end surface of the translation bottom plate (14) is provided with at least two ribs (15), and the two ribs (15) are arranged vertically; the two ribs (15) are used to limit the position of the laser power-on module (11).

5. The pulse laser test system according to claim 1, characterized in that: The free end of the transverse frame (3) is provided with a mounting groove (9) for mounting the power probe (6), and the bottom of the mounting groove (9) is provided with a through hole (21) penetrating the transverse frame (3), and the through hole (21) is located above the laser power-on workbench.

6. The pulse laser test system according to claim 5, characterized in that: The through hole (21) is an elongated hole along the Y-axis direction, and an arc-shaped notch is provided at one end of the elongated hole; a clearance notch (10) is provided on one side wall of the mounting groove (9), and the clearance notch (10) is connected to the elongated hole.

7. The pulse laser test system according to claim 5, characterized in that: The mounting groove (9) extends along the X-axis direction to the free end of the transverse frame (3).

8. The pulse laser test system according to claim 1, characterized in that: The fixed end of the transverse frame (3) is provided with a first adjustment groove (4) with a notch facing upward along the X-axis direction, and a first elongated hole is provided at the bottom of the first adjustment groove (4). The first elongated hole penetrates the transverse frame (3) and forms a first limiting step with the inner wall of the first adjustment groove (4); the transverse frame (3) is connected to the upper end of the longitudinal frame (2) by means of a limiting bolt penetrating the first elongated hole; correspondingly, a second adjustment groove (5) with a notch facing downward is provided on the bearing base plate (1) along the Y-axis direction, and a second elongated hole is provided at the bottom of the second adjustment groove (5). The second elongated hole penetrates the bearing base plate (1) and forms a second limiting step with the side wall of the second adjustment groove (5); the lower end of the longitudinal frame (2) is connected to the upper end of the bearing base plate (1) by means of a limiting bolt penetrating the second elongated hole.

9. The pulse laser test system according to claim 1, characterized in that: The fixed end of the transverse frame (3) is also provided with a displacement groove (16) opened along the X-axis direction, and the upper end of the longitudinal frame (2) is provided with a slider (17) slidably matched with the displacement groove (16); one side of the slider (17) is rotatably connected with a driving bolt (18), and the driving bolt (18) passes through the groove wall of the displacement groove (16) along the X-axis direction and is threadedly matched with the groove wall of the displacement groove (16); the free end of the driving bolt (18) is provided with a knob.

10. The pulse laser test system according to claim 1, characterized in that: The bearing base plate (1) is provided with limit plates (19) at both ends along the Y-axis direction, and a threaded rod (20) is provided between the two limit plates (19) along the Y-axis direction, and the threaded rod (20) is rotationally matched with the two limit plates (19); a moving block is provided on the side of the longitudinal frame (2) close to the limit plate (19), and the moving block is threadedly matched with the threaded rod (20).

Images