CN108362480B - Automatic testing device for laser output mode - Google Patents
Automatic testing device for laser output mode Download PDFInfo
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- CN108362480B CN108362480B CN201810490064.2A CN201810490064A CN108362480B CN 108362480 B CN108362480 B CN 108362480B CN 201810490064 A CN201810490064 A CN 201810490064A CN 108362480 B CN108362480 B CN 108362480B
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- bracket
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- gears
- direct current
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 239000011087 paperboard Substances 0.000 claims abstract description 24
- 239000000123 paper Substances 0.000 claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000011111 cardboard Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 241000565357 Fraxinus nigra Species 0.000 description 1
- 206010027146 Melanoderma Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
Abstract
An automatic testing device for a laser output mode relates to the field of lasers and solves the problems of complex and tedious operation, time and labor waste and easy danger occurrence existing in the existing manual operation. The device is as follows: each base is provided with a guide rail and a slideway; two sliding blocks on the bracket are matched with the slide way; two gears arranged at the two ends of the output shaft of the direct current stepping motor on the bracket, the gears are fixed with the side beams of the bracket, the gears are meshed with racks on the guide rail, the direct current stepping motor drives the gears to rotate along the guide rail, and meanwhile, the bracket is driven to move back and forth along the base; the paperboard supports are fixed at the extending ends of the two automatic telescopic rods; the light spot paper is fixed on the paperboard bracket through the clamps, and the paperboard bracket moves up and down through the two automatic telescopic rods, so that one light spot paper can record light spot mode data of the same laser for a plurality of times. The invention has simple operation, time and labor saving, no manual operation, safety and reliability.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to an automatic testing device for a laser output mode.
Background
In the production and application of lasers, it is often necessary to know the mode status of the laser, such as lasers with a fundamental transverse mode output for precision measurement, holographic technology, etc., while lasers with a single longitudinal mode operation are required for laser frequency stabilization and laser ranging, etc. Thus, performing a test of the laser output mode is an important performance test of lasers. In the laser field, the light spot refers to a black spot (beam pattern) left by the laser output at the instant of high-density cardboard (paper shell); pulse mainly refers to a process that a physical quantity is suddenly changed in a short duration and then quickly returns to an initial state, and a laser is instantaneously output through a power supply.
At present, the existing laser output mode testing method mainly adopts purely manual operation and purely relies on the manual labor of testers. The tester holds the facula paper with one hand and holds the pulse switch with the other hand, extracts each facula of the same group of lasers one by one, wastes time and energy, is easy to generate danger, and can possibly cause burn injury caused by negligence or misestimation. Especially in the test process, the tester is nearer to the light board paper, and the smoke dust generated during laser output can pollute the surrounding air and can be sucked into a part of human body to influence the health of the tester. In addition, each group of the spot test mode can only be used for single detection, only spot records of one laser at one fixed point can be extracted at a time, the position is manually replaced after the extraction is finished, and secondary records of the same laser are extracted, so that the operation is complex and tedious, and time is wasted.
Disclosure of Invention
The invention provides an automatic laser output mode testing device, which aims to solve the problems that the existing laser output mode testing depends on manual operation and is complex, tedious, time-consuming and labor-consuming and dangerous.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to an automatic testing device for a laser output mode, which comprises:
the device comprises two bases, wherein each base is provided with a guide rail and a slideway;
a bracket;
the two sliding blocks are fixed at the lower end of the bracket, and the sliding blocks are matched with the sliding way to realize the sliding connection between the bracket and the base;
the output shaft two ends of the direct current stepping motor penetrate through the side beams of the bracket;
the two gears are arranged at the two end parts of the output shaft of the direct current stepping motor, the gears are fixed with the side beams of the bracket, the gears are meshed with racks on the guide rail, and the direct current stepping motor drives the gears to rotate along the guide rail and simultaneously drives the bracket to move back and forth along the base;
two automatic telescopic rods respectively and symmetrically fixed on the side beams at the left side and the right side of the bracket;
the paperboard supports are fixed at the extending ends of the two automatic telescopic rods;
the plurality of clamps are uniformly fixed on the paperboard support, the light spot paper is fixed on the paperboard support through the clamps, and the paperboard support is enabled to move up and down through the two automatic telescopic rods, so that one light spot paper can record light spot mode data of the same laser for a plurality of times;
and the light blocking plate is fixed at the upper end of the bracket and positioned behind the paperboard bracket.
Furthermore, the light barrier is made of heat-resistant and high-temperature-resistant materials.
The beneficial effects of the invention are as follows: the invention controls the bracket to move back and forth on the guide rail through the direct current stepping motor, and determines the output distance of the light spot modes required by lasers with different lengths, namely the distance required to move by the device. The paperboard bracket is controlled to move up and down through the automatic telescopic rod, so that a plurality of light spots can be formed on the same laser, and a better light spot output mode is determined. And fixing the facula paper through the paperboard bracket to extract facula quality mode record. Because the laser output is invisible light, the laser is harmful to human body and belongs to high temperature and high heat, the light barrier is made of fire-resistant plate or heat-resistant material and is arranged behind the paperboard bracket, and the laser is only allowed to propagate in a certain range.
The invention can realize simultaneous testing of the spot modes of a plurality of lasers, shortens the time for testing the spot mode of a single laser, avoids manual operation, saves time, reduces labor intensity, improves labor efficiency, eliminates or reduces black ash and smoke dust generated after a light beam contacts a paperboard in the process of polishing spots, reduces the possibility of danger, and is safe and reliable.
Drawings
Fig. 1 is a schematic structural diagram of an automatic laser output mode testing device according to the present invention.
FIG. 2 is a schematic side view of an automatic laser output mode testing apparatus according to the present invention.
Fig. 3 is a schematic front view of an automatic laser output mode testing device according to the present invention.
Fig. 4 is an enlarged partial schematic view at a in fig. 3.
Fig. 5 is an enlarged partial schematic view of the junction of the base and the bracket.
Fig. 6 is a schematic structural view of the jig.
In the figure: 1. 1-1 parts of base, 1-2 parts of guide rail, 1-2 parts of slideway, 2 parts of direct current stepping motor, 3 parts of bracket, 4 parts of automatic telescopic rod, 5 parts of paperboard bracket, 6 parts of light barrier, 7 parts of clamp, 8 parts of gear, 9 parts of slide block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, an automatic testing device for laser output mode according to the present invention mainly includes: two bases 1, a direct current stepping motor 2, a bracket 3, two automatic telescopic rods 4, a paperboard bracket 5, a light barrier 6, a plurality of clamps 7, two gears 8 and two sliding blocks 9.
The two bases 1 have the same structural dimensions. The base 1 is provided with a guide rail 1-1 and a slideway 1-2.
The support 3 is designed as a frame-like structure.
The lower end of the bracket 3 is connected with the two bases 1 in a sliding way through two sliding blocks 9. The method specifically comprises the following steps: two sides of the lower end of the bracket 3 are respectively fixed with a sliding block 9, and the sliding blocks 9 and the lower end of the bracket can be welded and fixed. The lower end of the slider 9 is provided with a groove as shown in fig. 4. The sliding block 9 at the lower end of the bracket 3 is matched with the sliding way 1-2 on the base 1, namely, the bulge of the sliding way 1-2 is slidably arranged in the groove of the sliding block 9.
The dc stepper motor 2 is used to provide the driving power required for the movement of the device. The direct current stepping motor 2 is fixed on a cross beam at the lower end of the bracket 3, meanwhile, two ends of an output shaft of the direct current stepping motor 2 penetrate through side beams of the bracket 3, two ends of the output shaft of the direct current stepping motor 2 are respectively provided with a gear 8, the gear 8 is meshed with racks on the guide rail 1-1, and the gear 8 is fixedly connected with the side beams of the bracket 3. The direct current stepping motor 2 provides driving power for the support 3, the direct current stepping motor 2 is started, the output shaft drives the two gears 8 to rotate along the guide rail 1-1, meanwhile, the sliding block 9 at the lower end of the support 3 is driven to slide in the sliding way 1-2, the support 3 moves back and forth on the base 1, and the sliding way 1-2 provides a moving track for the support 3. Meanwhile, the distance of the device moving can be adjusted according to the length of the laser.
The two automatic telescopic rods 4 are respectively and symmetrically fixed on the side beams at the left side and the right side of the bracket 3, and the extension ends of the two automatic telescopic rods are fixedly connected with the lower ends of the paperboard brackets 5. A plurality of clamps 7 are evenly fixed on the upper end of the paperboard bracket 5, and the clamps 7 are used for fixing the facula paper. As shown in fig. 6, a structural form of the clamp 7 is provided, and a vertical quick clamp with elastic and locking functions currently existing in the market is adopted.
The light spot paper is fixed on the paperboard bracket 5 through the clamp 7, and the paperboard bracket 5 can be moved up and down through the two automatic telescopic rods 4 (the upward movement or the downward movement of the extension ends of the automatic telescopic rods are controlled through the manual control switch of the automatic telescopic rods 4), so that the light spot mode data of the same laser can be recorded for a plurality of times by one light spot paper.
The laser output pattern generated is recorded when the laser pulses are extracted, and the spot pattern data generated when a group of (5 or 10) laser pulses are simultaneously extracted by moving the cardboard support 5 up and down. After one laser pulse is extracted, the cardboard support 5 is moved upwards or downwards, and the next laser pulse is extracted, so that the cardboard support can be reused.
In order to prevent the danger during the laser pulse extraction, a light barrier 6 is made of heat-resistant and high-temperature-resistant material behind the cardboard support 5, so as to prevent the danger caused by light leakage in case of light leakage. The light barrier 6 is fixed at the upper end of the bracket 3 and is positioned behind the paperboard bracket 5 and used for preventing the laser output from damaging human bodies and preventing unnecessary disasters from being caused.
The key of the invention is that the pulse output mode record of a plurality of lasers can be extracted, the complexity of manual operation and the possible injury are reduced, and the whole of the mobile device can be controlled according to lasers with different lengths, thereby meeting the requirement of the spot mode to be extracted by each laser.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (2)
1. An automatic laser output mode testing device, comprising:
the device comprises two bases (1), wherein a guide rail (1-1) and a slideway (1-2) are arranged on each base (1);
a bracket (3);
the two sliding blocks (9) are fixed at the lower end of the bracket (3), and the sliding blocks (9) are matched with the slide ways (1-2) to realize the sliding connection of the bracket (3) and the base (1);
the direct current stepping motor (2) is fixed on a cross beam at the lower end of the bracket (3), and two ends of an output shaft of the direct current stepping motor (2) penetrate through side beams of the bracket (3);
two gears (8) are arranged at the end parts of the two ends of the output shaft of the direct current stepping motor (2), the gears (8) are fixed with side beams of the bracket (3), the gears (8) are meshed with racks on the guide rail (1-1), the direct current stepping motor (2) drives the gears (8) to rotate along the guide rail (1-1), and meanwhile, the bracket (3) is driven to move forwards and backwards along the base (1);
two automatic telescopic rods (4) respectively and symmetrically fixed on the side beams at the left side and the right side of the bracket (3);
the paperboard supports (5) are fixed at the extension ends of the two automatic telescopic rods (4);
a plurality of clamps (7) uniformly fixed on the paperboard support (5), wherein the facula paper is fixed on the paperboard support (5) through the clamps (7), and the paperboard support (5) is enabled to move up and down through two automatic telescopic rods (4), so that one facula paper can record the facula mode data of the same laser for a plurality of times;
and a light blocking plate (6) fixed at the upper end of the bracket (3) and positioned behind the paperboard bracket (5).
2. A laser output mode automatic test equipment according to claim 1, characterized in that the light barrier (6) is made of heat-resistant, high-temperature-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490064.2A CN108362480B (en) | 2018-05-21 | 2018-05-21 | Automatic testing device for laser output mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490064.2A CN108362480B (en) | 2018-05-21 | 2018-05-21 | Automatic testing device for laser output mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108362480A CN108362480A (en) | 2018-08-03 |
| CN108362480B true CN108362480B (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490064.2A Active CN108362480B (en) | 2018-05-21 | 2018-05-21 | Automatic testing device for laser output mode |
Country Status (1)
| Country | Link |
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| CN (1) | CN108362480B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378642A (en) * | 1999-09-14 | 2002-11-06 | 维思克斯公司 | Method and apparatus for determining characteristic of laser beam spot |
| JP2005012046A (en) * | 2003-06-20 | 2005-01-13 | Orc Mfg Co Ltd | Laser device |
| CN203116948U (en) * | 2013-04-09 | 2013-08-07 | 哈尔滨理工大学 | Laser transverse mode discriminator |
| CN103308038A (en) * | 2013-06-30 | 2013-09-18 | 湖南农业大学 | Laser receiving device and laser spot center identification method |
| CN103411534A (en) * | 2013-08-07 | 2013-11-27 | 中国电子科技集团公司第十一研究所 | Method and device for measuring spot size |
| CN106342324B (en) * | 2010-09-03 | 2013-12-18 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of vehicle-mounted empty laser facula that shines is dynamically followed the tracks of acquisition and recording system |
| CN103645548A (en) * | 2013-12-18 | 2014-03-19 | 中国科学院半导体研究所 | Clamp for confirming light spot positions |
| CN206479311U (en) * | 2016-12-29 | 2017-09-08 | 沧州沃福激光科技有限公司 | A kind of carbon dioxide laser zlasing mode and directivity test device |
| CN208187689U (en) * | 2018-05-21 | 2018-12-04 | 吉林省永利激光科技有限公司 | Automatic testing arrangement of laser output mode |
-
2018
- 2018-05-21 CN CN201810490064.2A patent/CN108362480B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378642A (en) * | 1999-09-14 | 2002-11-06 | 维思克斯公司 | Method and apparatus for determining characteristic of laser beam spot |
| JP2005012046A (en) * | 2003-06-20 | 2005-01-13 | Orc Mfg Co Ltd | Laser device |
| CN106342324B (en) * | 2010-09-03 | 2013-12-18 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of vehicle-mounted empty laser facula that shines is dynamically followed the tracks of acquisition and recording system |
| CN203116948U (en) * | 2013-04-09 | 2013-08-07 | 哈尔滨理工大学 | Laser transverse mode discriminator |
| CN103308038A (en) * | 2013-06-30 | 2013-09-18 | 湖南农业大学 | Laser receiving device and laser spot center identification method |
| CN103411534A (en) * | 2013-08-07 | 2013-11-27 | 中国电子科技集团公司第十一研究所 | Method and device for measuring spot size |
| CN103645548A (en) * | 2013-12-18 | 2014-03-19 | 中国科学院半导体研究所 | Clamp for confirming light spot positions |
| CN206479311U (en) * | 2016-12-29 | 2017-09-08 | 沧州沃福激光科技有限公司 | A kind of carbon dioxide laser zlasing mode and directivity test device |
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| CN108362480A (en) | 2018-08-03 |
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