CN112051304A - Laser test bed - Google Patents
Laser test bed Download PDFInfo
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- CN112051304A CN112051304A CN202011114335.8A CN202011114335A CN112051304A CN 112051304 A CN112051304 A CN 112051304A CN 202011114335 A CN202011114335 A CN 202011114335A CN 112051304 A CN112051304 A CN 112051304A
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 11
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000000638 stimulation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
- G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility
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Abstract
The invention discloses a laser test bed, which relates to the technical field of thermal explosiveness of energetic materials and comprises a laser fixing part and a reaction cavity; the laser collimating lens is arranged on the laser fixing part, and the reaction cavity is arranged below the laser fixing part. The laser test bed is an integrated test device, the distance between the laser collimating lens and a sample is kept fixed, and the subsequent requirements can be met only by focusing once; even if errors occur in production, processing, transportation and storage, the laser collimating lens can be freely adjusted in position within a certain range, so that deviation is eliminated, and the trouble that refocusing is needed before each test is omitted. The inside black dull polish coating that all coats of reaction chamber consequently can avoid the risk that laser scattering or reflection brought, and the reaction chamber can improve whole security. The sample cell is the consumptive material, can prolong the life-span of sample groove and whole device, simultaneously, can process suitable sample cell alone to quality, the physical state of being tested the sample, brings the convenience for the experiment.
Description
Technical Field
The invention relates to the technical field of energetic material thermal explosiveness, in particular to a laser test bed.
Background
The problem of thermal explosiveness of energetic materials when stimulated by laser light is increasingly important. The existing data show that no integrated device for researching the thermal explosiveness problem of energetic materials when being stimulated by laser exists at present. At present, before the experiment, the laser focal length is required to be calibrated, the laser aiming position is determined, then a sample can be placed for the experiment, and the operation needs to be repeated before the experiment is carried out every time, so that the experiment process is complicated and time-consuming. And the energetic materials are more dangerous under laser stimulation, and the scattered device layout causes certain potential safety hazards in the tests. Therefore, it is necessary to develop a test device which is simple and convenient to operate, does not need frequent calibration and has high safety to research the thermal explosiveness problem of the energetic material under the laser stimulation.
Disclosure of Invention
In order to solve the technical problems, the invention provides a laser test bed to solve the problems of complex operation, insufficient safety and frequent calibration in the thermal explosion test of the existing energetic material under laser stimulation.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a laser test bed, which comprises a laser fixing part and a reaction cavity; the laser collimating lens is arranged on the laser fixing part, and the reaction cavity is arranged below the laser fixing part.
Optionally, the laser fixing component includes a fixing plate and a slide rail; the fixed plate is arranged along the vertical direction, the sliding rails are arranged at two ends of the fixed plate, and the fixed plate and the sliding rails can be connected in a sliding manner; the fixed plate is provided with a plurality of hole grooves, and the laser collimating lens is arranged on the hole grooves.
Optionally, four corners of the fixing plate are respectively provided with a pulley, the top and the bottom of two ends of the fixing plate are respectively provided with a slide rail, and each pulley is slidably connected with the corresponding slide rail.
Optionally, the plurality of hole slots are arranged in parallel at different heights along the horizontal direction, and the laser collimating mirror is detachably connected with the plurality of hole slots through bolts and nuts.
Optionally, a fastener is disposed on the fixing plate, and the fastener is used for fixing the laser fiber of the laser collimating mirror.
Optionally, a sample groove is arranged at the bottom in the reaction cavity, and a sample cell is arranged in the sample groove.
Optionally, a pair of side surfaces of the reaction chamber are provided with baffles, one side surface of the other pair of side surfaces of the reaction chamber is provided with a lifting door, and the other side surface is provided with a high-speed camera or an infrared camera.
Optionally, black frosted paint is coated on the inner side wall of the reaction chamber.
Optionally, a support rod is arranged between the laser fixing component and the reaction chamber.
Optionally, a rack is arranged at the lower part of the reaction chamber.
Compared with the prior art, the invention has the following technical effects:
1. the laser test bed is an integrated test device, namely the distance between the laser collimating lens and a sample is kept fixed, and the subsequent requirements can be met only by focusing once; even if errors occur in production, processing, transportation and storage, the laser collimating lens can be freely adjusted in position within a certain range, so that deviation is eliminated, and the trouble that refocusing is needed before each test is omitted.
2. According to the invention, the black frosted coating is coated inside the reaction cavity, so that the risk caused by laser scattering or reflection can be avoided, the reaction cavity can be kept three-sided closed at most, the risk caused by response of the energetic material after stimulation can be reduced, and the overall safety is high.
3. In the invention, the sample cell is used for holding samples, the sample cell is a consumable material, the service life of the sample tank and the service life of the whole device can be prolonged, and meanwhile, the proper sample cell can be independently processed according to the quality and the physical state of the samples to be tested, so that convenience is brought to the test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of an apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a sample cell according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a sample cell according to an embodiment of the present invention;
FIG. 4 is a simplified diagram of a laser collimator according to an embodiment of the present invention;
FIG. 5 is a diagrammatic view of a stand according to an embodiment of the present invention;
reference numerals: 1-fixing plate, 2-pulley, 3-buckle, 4-screw stop, 5-slide rail, 6-laser fiber, 7-laser collimating mirror, 8-hole groove, 9-support rod, 10-lifting door, 11-baffle, 12-fixing hole, 13-sample cell, 14-sample groove, 15-screw hole and 16-rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present embodiment provides a laser test stand including a laser fixing part and a reaction chamber; the laser collimating lens 7 is arranged on the laser fixing part, and the reaction cavity is arranged below the laser fixing part.
In the specific embodiment, the bottom of the reaction chamber is provided with a rack 16, the rack 16 is used for supporting the whole device, and the reaction chamber is connected with the laser fixing component through a support rod 9, so that a fixed distance is kept between the laser collimating mirror 7 and the sample.
The laser fixing part comprises a fixing plate 1 and a slide rail 5; the upper portion and the lower part at the both ends of fixed plate 1 set up a slide rail 5 respectively, and the four corners of fixed plate 1 is connected with corresponding slide rail 5 through a pulley 2 respectively to make fixed plate 1 remove about can following slide rail 5, end spiral shell 4 through setting up on the jackshaft at pulley 2, screw up and end spiral shell 4 locking pulley 2, make fixed plate 1 fix on slide rail 5, unscrew and end spiral shell 4, make pulley 2 rotate, thereby can adjust the position of fixed plate 1 on slide rail 5.
The laser collimating lens is characterized in that a plurality of hole grooves 8 are formed in the fixing plate 1, the hole grooves 8 are arranged in parallel along different heights in the horizontal direction, and the laser collimating lens 7 is detachably connected with the hole grooves 8 through bolts and nuts. Through adjusting nuts, the laser collimating mirror 7 can be fixed on the hole slots 8 with different heights, and also can be fixed at different positions of the hole slots 8, so that the height and the front and rear positions of the laser collimating mirror 7 can be changed to adapt to different use requirements.
The fixing plate 1 is provided with a buckle 3, and the buckle 3 is used for fixing the laser fiber 6 of the laser collimating mirror 7.
A sample groove 14 is arranged at the bottom in the reaction cavity, and a sample cell 13 is arranged in the sample groove 14. The sample cell 13 is mainly a metal block with a groove, the shape of the groove is not fixed and can be determined according to the physical state, size and quality of the sample to be tested; the sample cell 13 can be placed in the sample groove 14, the sample cell 13 is a disposable article, and is replaced after a test to prevent laser from damaging the sample groove 14; the material of the sample cell 13 must not react with the sample to be tested, and the whole sample cell 13 is coated with black frosted paint for absorbing the excess laser.
The reaction chamber is characterized in that a pair of side surfaces of the reaction chamber are provided with baffle plates 11, one side surface of the other pair of side surfaces of the reaction chamber is provided with a lifting door 10, and the other side surface is provided with a high-speed camera or an infrared camera. When the camera is arranged, a protective measure is additionally arranged in front of the lens of the camera to protect the lens, and if the camera is not required to be arranged, the surface is required to face the wall or an open area.
The inner side wall of the reaction cavity is coated with black frosted paint for absorbing surplus laser.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The laser test bed is characterized by comprising a laser fixing part and a reaction cavity; the laser collimating lens is arranged on the laser fixing part, and the reaction cavity is arranged below the laser fixing part.
2. The laser test bed according to claim 1, wherein the laser fixing component comprises a fixing plate and a slide rail; the fixed plate is arranged along the vertical direction, the sliding rails are arranged at two ends of the fixed plate, and the fixed plate and the sliding rails can be connected in a sliding manner; the fixed plate is provided with a plurality of hole grooves, and the laser collimating lens is arranged on the hole grooves.
3. The laser test bed according to claim 2, wherein a pulley is disposed at each of four corners of the fixing plate, a slide rail is disposed at each of the top and bottom of each of two ends of the fixing plate, and each pulley is slidably connected to the corresponding slide rail.
4. The laser test bed according to claim 2, wherein the plurality of hole grooves are arranged side by side at different heights in the horizontal direction, and the laser collimating mirror is detachably connected with the plurality of hole grooves through bolts and nuts.
5. The laser test bed according to claim 2, wherein a fastener is disposed on the fixing plate, and the fastener is used for fixing the laser fiber of the laser collimating mirror.
6. The laser test bed according to claim 1, wherein a sample groove is arranged at the bottom in the reaction chamber, and a sample cell is arranged in the sample groove.
7. The laser test bed according to claim 1, wherein a pair of side surfaces of the reaction chamber are provided with a baffle plate, one side surface of the other pair of side surfaces of the reaction chamber is provided with a lift gate, and the other side surface is provided with a high-speed camera or an infrared camera.
8. The laser test bed according to claim 1, wherein the inner side wall of the reaction chamber is coated with black frosted paint.
9. The laser test bench of claim 1 wherein a support rod is disposed between the laser fixing member and the reaction chamber.
10. The laser test bed according to claim 1, wherein the reaction chamber is provided with a bench at a lower portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114335.8A CN112051304A (en) | 2020-10-19 | 2020-10-19 | Laser test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114335.8A CN112051304A (en) | 2020-10-19 | 2020-10-19 | Laser test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112051304A true CN112051304A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011114335.8A Pending CN112051304A (en) | 2020-10-19 | 2020-10-19 | Laser test bed |
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| CN (1) | CN112051304A (en) |
Citations (12)
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|---|---|---|---|---|
| CN201931733U (en) * | 2010-12-09 | 2011-08-17 | 中国大恒(集团)有限公司 | Mechanism realizing multi-side laser marking at one-step installation |
| CN102183542A (en) * | 2011-01-31 | 2011-09-14 | 哈尔滨工业大学 | System for detecting solder joint reliability of circuit board by using infrared multipoint temperature measuring heat resistance method |
| CN104181160A (en) * | 2014-08-25 | 2014-12-03 | 南京理工大学 | Signal acquisition device based on experiments of laser-induced ignition of solid propellants |
| CN204094307U (en) * | 2014-07-21 | 2015-01-14 | 成都荣乐激光技术有限公司 | A kind of dynamic focusing laser marker |
| CN104807853A (en) * | 2015-05-20 | 2015-07-29 | 长沙湘仪宏盛电子科技有限公司 | Calorimeter |
| CN105436680A (en) * | 2015-12-30 | 2016-03-30 | 南京田中机电再制造有限公司 | Alignment welding device of coaxial semiconductor laser |
| CN106313910A (en) * | 2015-07-03 | 2017-01-11 | 周利英 | Laser marking machine |
| CN106676521A (en) * | 2017-02-28 | 2017-05-17 | 安徽工业大学 | Device for conducting laser cladding treatment on plates |
| CN207423810U (en) * | 2017-11-24 | 2018-05-29 | 国麒光电科技（天津）有限公司 | A kind of laser induced breakdown spectrograph for Multi-example detection |
| CN108311794A (en) * | 2018-04-26 | 2018-07-24 | 郯城鸿锐电子有限公司 | A kind of Full-automatic laser device for harness processing |
| CN109682794A (en) * | 2019-02-22 | 2019-04-26 | 中国科学技术大学 | A kind of the transformation time measuring system and method for energetic material |
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2020
- 2020-10-19 CN CN202011114335.8A patent/CN112051304A/en active Pending
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| CN102183542A (en) * | 2011-01-31 | 2011-09-14 | 哈尔滨工业大学 | System for detecting solder joint reliability of circuit board by using infrared multipoint temperature measuring heat resistance method |
| CN204094307U (en) * | 2014-07-21 | 2015-01-14 | 成都荣乐激光技术有限公司 | A kind of dynamic focusing laser marker |
| CN104181160A (en) * | 2014-08-25 | 2014-12-03 | 南京理工大学 | Signal acquisition device based on experiments of laser-induced ignition of solid propellants |
| CN104807853A (en) * | 2015-05-20 | 2015-07-29 | 长沙湘仪宏盛电子科技有限公司 | Calorimeter |
| CN106313910A (en) * | 2015-07-03 | 2017-01-11 | 周利英 | Laser marking machine |
| CN105436680A (en) * | 2015-12-30 | 2016-03-30 | 南京田中机电再制造有限公司 | Alignment welding device of coaxial semiconductor laser |
| CN106676521A (en) * | 2017-02-28 | 2017-05-17 | 安徽工业大学 | Device for conducting laser cladding treatment on plates |
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| CN110039053A (en) * | 2019-05-14 | 2019-07-23 | 哈尔滨福沃德多维智能装备有限公司 | A kind of laser fusing 3D printing equipment laser focal plane determines system and method |
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Application publication date: 20201208 |