CN111929279B - Material laser detection device - Google Patents
Material laser detection device Download PDFInfo
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- CN111929279B CN111929279B CN202010808667.XA CN202010808667A CN111929279B CN 111929279 B CN111929279 B CN 111929279B CN 202010808667 A CN202010808667 A CN 202010808667A CN 111929279 B CN111929279 B CN 111929279B
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- laser
- beam splitting
- base station
- connecting rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/031—Multipass arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/031—Multipass arrangements
- G01N2021/0314—Double pass, autocollimated path
Abstract
The invention discloses a material laser detection device, and relates to the field of material detection devices. The invention comprises a base station with a first power device at the bottom, wherein the top surface of the base station is provided with at least two mutually parallel material grooves, a laser generating device is arranged above the base station through a bracket and used for emitting laser, meanwhile, a beam splitting prism is arranged on the bracket and used for splitting the laser emitted by the laser generating device to form beam splitting capable of being injected into the material grooves, a laser sensor is also arranged on the bracket and used for receiving the laser beam splitting reflected by the material grooves, and at least two laser sensors are respectively communicated with a PC end signal; so as to realize the purpose of dynamically collecting the laser information of the object to be tested.
Description
Technical Field
The invention relates to the field of a substance detection device, in particular to a substance laser detection device.
Background
The laser detection technology has very wide application, such as laser interference length measurement, laser ranging, laser vibration measurement, laser velocity measurement, laser speckle measurement, laser collimation, laser holography, laser scanning, laser tracking, laser spectrum analysis and the like, and shows great superiority of laser measurement. Laser heterodyne interferometry is an important technique for nano-measurement. The laser measurement is a non-contact measurement, does not influence the movement of the measured object, has high precision, large measurement range and short detection time, and has very high spatial resolution.
At present, in the field of laser detection, a device capable of collecting information of a substance by utilizing laser and accurately acquiring laser signal changes of the substance to be detected is lacking. Therefore, most of the current laser detection is applied to the field of laser speed measurement or granularity test or material flatness, and the application of the laser detection to the detection of substances is less.
Disclosure of Invention
The invention aims to provide a substance laser detection device so as to realize the purpose of dynamically collecting laser information of an object to be detected.
In order to achieve the above purpose, the present invention adopts the following technical means:
the utility model provides a material laser detection device, installs the base station of a power device including the bottom, the top surface of base station is provided with two piece at least material grooves that are parallel to each other, the top of base station is through the support mounting laser generating device for send laser, simultaneously, install beam split prism on the support, be used for with laser generating device sends laser carry out the beam split formation can penetrate into the beam split of material groove, still be provided with laser sensor on the support, be used for receiving from the laser beam split of material groove reflection, laser sensor has two at least and all with PC end signal communication.
Further, the support and the base are in sliding connection, and the moving direction of the sliding support is parallel to the material groove.
Still further, the side of base station is provided with and is used for installing the spout of support, the support includes slidable mounting is in bracing piece in the spout, the top of bracing piece is connected through the installation horizontal pole that the level set up, the connecting block is installed to the bottom surface of installation horizontal pole, the axis is installed to the face of connecting block with the base plate that the material groove is parallel, beam splitting prism installs on the base plate, just beam splitting prism's beam split face with the base station is perpendicular, laser generating device installs on the base plate, just laser generating device's light-emitting end orientation beam split face of beam splitting prism, the connecting block is provided with one side of base plate install with the installation pole that the material groove is parallel, install two through the connecting rod on the installation pole laser sensor, the connecting rod is the double-end telescopic link, laser sensor sets up beam splitting prism's both sides.
Still further, the base plate includes the level runs through the pivot of connecting block, the one end rotation of pivot is installed and is adjusted the disc, laser generator installs on adjusting the disc.
Still further, the receiving end of connecting rod with the installation pole is connected, laser sensor rotates and installs the flexible end of connecting rod, just laser sensor's axis of rotation with the extending direction of connecting rod is perpendicular.
Still further, be provided with on the installation pole extending direction with the material groove is parallel and vertically run through the slip passageway of installation pole, install screw thread fastener in the slip passageway, screw thread fastener's bottom pass slip passageway and with the receiving end of connecting rod rotates to be connected, screw thread fastener's fastening end sets up the installation pole with the opposite one side of connecting rod.
Furthermore, the laser sensor is connected with the adjusting disc through a ball head shaft, and the ball head end of the ball head shaft is movably connected with the side wall of the laser sensor.
Still further, the bottom surface of installation horizontal pole is installed first electronic rail, the top surface of connecting block is installed the embedding first slider of first electronic rail slip end.
Further, the first power device comprises a second electric sliding rail, and a second sliding block embedded in the second electric sliding rail is arranged on the bottom surface of the base station.
The invention has the following beneficial effects in the using process:
the material to be tested is placed in the material tank, after the laser generating device is started, laser emitted from the laser emitting device is emitted on the beam splitting prism, and then the laser is dispersed into refraction light and reflection light by the beam splitting prism, so that the two scattered refraction light and the emission light are respectively emitted into two different material tanks, the material is placed in the two material tanks, one material tank is used for placing the standard part, the other material tank is used for placing the sample to be tested, the surface of the material to be tested and the surface of the standard part can both receive the laser emitted from the laser generating device, then the laser is reflected after contacting the surface of the material, the laser sensor is used for respectively receiving light reflected on different materials, then the laser sensor transmits the received reflection signals to the PC end, the difference between the laser reflection signals of the sample to be tested and the laser reflection signals of the standard part can be obtained, and further the components of the sample to be tested are subjected to comparative analysis, in the testing process, the first power device is used for enabling the base station to make linear motion, and the laser generating device and the laser sensor are both in a static device, and the base station and the laser sensor are further used for detecting the sample to be tested, and the quality of the sample to be tested can be tested, and the sample can be tested more thoroughly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of a first view side view structure of fig. 1.
Fig. 3 is a schematic top view of fig. 1.
Fig. 4 is a schematic diagram of a second view side view structure of fig. 1.
Fig. 5 is a schematic view showing the mounting structure of the laser light generating device and the laser sensor of the present invention.
Fig. 6 is a first side view schematic of the structure of fig. 5.
Fig. 7 is a second side view of the structure of fig. 5.
Fig. 8 is a schematic top view of fig. 5.
Fig. 9 is a schematic view showing the mounting structure of the laser light generating device and the laser sensor of the present invention in another operation state.
The device comprises a 1-first power device, a 15-second electric sliding rail, a 16-second sliding block, a 2-base, a 3-material tank, a 4-support, a 41-supporting rod, a 42-mounting cross rod, a 5-laser generating device, a 6-beam splitting prism, a 7-laser sensor, an 8-sliding groove, a 9-connecting block, a 10-base plate, a 101-rotating shaft, a 102-adjusting disc, an 11-mounting rod, a 12-connecting rod, a 13-sliding channel and a 14-threaded fastening device.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In one embodiment of the present application.
Referring to fig. 1 to 8, specifically, the device for detecting a substance laser includes a base 2 with a first power device 1 installed at the bottom, at least two parallel material slots 3 are provided on the top surface of the base 2, a laser generating device 5 is installed above the base 2 through a bracket 4 and is used for emitting laser, meanwhile, a beam splitting prism 6 is installed on the bracket 4 and is used for splitting the laser emitted by the laser generating device 5 to form a beam splitting beam capable of being injected into the material slots 3, a laser sensor 7 is also provided on the bracket 4 and is used for receiving the beam splitting beam reflected from the material slots 3, and at least two laser sensors 7 are respectively in signal communication with a PC end.
The material to be tested is placed in the material tank 3, after the laser generating device 5 is started, laser emitted from the laser emitting device is emitted on the beam splitting prism 6, and then the laser is dispersed into refraction light and reflection light by the beam splitting prism 6, two dispersed refraction light and emission light are respectively emitted into two different material tanks 3, the material is placed in the two material tanks 3, one material tank 3 is placed with a standard part, the other material tank 3 is placed with a sample to be tested, the surface of the material to be tested and the surface of the standard part can both receive the laser emitted from the laser generating device 5, then the laser is reflected after contacting the surface of the material, the laser sensor 7 is used for respectively receiving light reflected on different materials, then the laser sensor 7 transmits received reflection signals to a PC end, the PC end is used for comparison, the difference between the laser reflection signals of the sample to be tested and the laser reflection signals of the standard part can be obtained, and further the components of the sample to be tested are subjected to comparative analysis, in the testing process, the first power device 1 is used for enabling the base station 2 to make linear motion, and the laser sensor 5 and the laser sensor 7 are respectively located on the surface of the sample to be tested and the surface of the laser generating device to be tested, and the laser sensor 7 is further tested to be tested, and the whole quality of the sample can be tested is further detected, and the sample can be tested thoroughly.
Then, in a more optimized solution, the support 4 is slidably connected to the base 2, where the sliding connection is only a mounting manner capable of moving relatively, that is, the support 4 and the base 2 can be connected by a hard object, or the support 4 is fixed to an object other than the base 2, and the support 4 is kept stationary during the movement of the base 2, so that the support 4 is movably connected to the base 2.
Specifically, the best mode is to make the support 4 and the base 2 slide and connect in a manner of mutual connection, so that the laser generating device 5, the beam splitting prism 6, the laser sensor 7 and the like mounted on the support 4 can be matched with the support 4 of the base 2 more stably.
Specifically, the side of the base 2 is provided with a chute 8 for installing the bracket 4, the bracket 4 includes a support rod 41 slidably installed in the chute 8, the top end of the support rod 41 is connected through a horizontally arranged installation cross rod 42, the bottom surface of the installation cross rod 42 is provided with a connection block 9, and the connection block 9 is used for installing the laser generating device 5, the beam splitting prism 6 and the laser sensor 7.
The specific installation mode is that the surface of the connecting block 9 is provided with a base plate 10 with an axis parallel to the material groove 3, the beam splitting prism 6 is installed on the base plate 10, the beam splitting surface of the beam splitting prism 6 is perpendicular to the base table 2, and the long side, that is, the lower side of the beam splitting surface of the beam splitting prism 6 is parallel to the extending direction of the material groove 3, so that after the laser emitted from the laser generating device 5 strikes the beam splitting prism 6, the laser can accurately generate refraction light and reflection light for enabling the laser to be emitted on the surface of the material.
The laser generating device 5 is mounted on the base plate 10, and the light emitting end of the laser generating device 5 faces the light splitting surface of the light splitting prism 6, so as to ensure that the laser emitted by the laser generating device 5 can be accurately emitted on the light splitting prism 6.
The connecting block 9 is provided with one side of the base plate 10 is provided with a mounting rod 11 parallel to the material tank 3, two laser sensors 7 are mounted on the mounting rod 11 through a connecting rod 12, one of the two laser sensors 7 is used for receiving laser signals reflected on a standard component, and the other laser sensor 7 is used for receiving laser signals reflected on an object to be detected.
More optimally, the connecting rod 12 is a double-end telescopic rod, and the laser sensors 7 are arranged on two sides of the beam splitting prism 6, so that the distance between the laser sensors 7 and the beam splitting prism 6 can be respectively adjusted by using the double-end telescopic rod, and then the laser sensors 7 can better and more accurately receive laser signals reflected from materials.
Furthermore, in order to make the whole light path more convenient to adjust, the aforesaid laser generating device 5 can rotate around the beam splitting prism 6 when installing on the base plate 10, specifically speaking, the aforesaid base plate 10 includes the level runs through the pivot 101 of connecting block 9, the one end rotation of pivot 101 is installed and is adjusted disc 102 to aforesaid beam splitting prism 6 is installed at aforesaid pivot 101 tip, the laser generating device is installed on adjusting disc 102, can rotate aforesaid adjusting disc 102 like this, and then adjust the angle of laser generating device, let the laser generating device rotate around pivot 101 to adjust the incident angle that the laser was gone into beam splitting prism 6, thereby adjust the light path, like this with aforesaid double-end telescopic link mutually support, let operating personnel to the regulation of light path more accurate, more convenient.
Furthermore, the setting that carries out more optimization in the aspect of the light path is adjusted, specifically, the receiving end of connecting rod 12 with installation pole 11 is connected, laser sensor 7 rotates and installs the flexible end of connecting rod 12, just laser sensor 7 the axis of rotation with the extending direction of connecting rod 12 is perpendicular, can not only adjust the distance of laser sensor 7 from beam splitter prism 6 through the flexible of connecting rod 12 like this, but also can adjust the acceptance angle of laser sensor 7 through rotating laser sensor 7.
The first power device 1 comprises a second electric slide rail 15, a second slide block 16 embedded in the second electric slide rail 15 is installed on the bottom surface of the base 2, that is, the base 2 is moved by using the second electric slide rail 15, and the sliding speed of the second electric slide rail 15 can be controlled by a PLC control end.
It should be noted that in the foregoing embodiment, all the rotation connections are rotation with damping, that is, all the rotation can be performed after the tester rotates manually, and then the five rotation pieces can be kept still under the damping effect after the tester stops rotating.
Furthermore, in another embodiment of the present invention.
In this embodiment, the difference from the foregoing embodiment is that in this embodiment, the connecting rod 12 mounted on the mounting rod 11 is capable of sliding along the sliding channel 13 provided on the mounting rod 11, specifically, the sliding is aimed at enabling the detection device according to the present invention to detect in another state, specifically, the detection mode is aimed at enabling the subsequent PC end to analyze the chemical substance of the material itself, and enabling the PC end to receive more accurate laser reflection signals, based on the foregoing embodiment or during direct detection.
Of course, the present embodiment is still optimized on the basis of the foregoing embodiment, and more specifically, the distinguishing part will be described.
Referring to fig. 9, fig. 9 is a working state in this embodiment, specifically, the mounting rod 11 is provided with a sliding channel 13 extending in parallel with the material slot 3 and vertically penetrating through the mounting rod 11, a threaded fastening device 14 is installed in the sliding channel 13, a bottom end of the threaded fastening device 14 penetrates through the sliding channel 13 and is rotationally connected with a receiving end of the connecting rod 12, and a fastening end of the threaded fastening device 14 is disposed on a surface of the mounting rod 11 opposite to the connecting rod 12. That is, the direction position of the connecting rod 12 is adjusted by the above arrangement, that is, the relative position between the laser sensor 7 and the laser generating device can be adjusted, specifically, the fastening end of the screw fastening device 14 is twisted to release the fastening end, at this time, the connecting rod 12 can be moved, the connecting rod 12 is moved to a proper position and the connecting rod 12 is rotated, and the rotation criteria are: firstly, the adjusting disc 102 is rotated, the laser generating device 5 is arranged at the lowest end of the adjusting disc 102, then the connecting rod 12 is rotated until the connecting line of the laser sensor 7 and the laser generating device 5 is parallel to the material groove 3, and the position of the laser generating device 5 can be adjusted to the standard position without adjusting the position of the laser generating device 5.
After the adjustment is completed, in order to enable the laser of the laser generating device 5 to generate a moving angle with the material below the laser generating device, the laser sensor 7 is connected with the adjusting disc 102 through a ball head shaft, and the ball head end of the ball head shaft is movably connected with the side wall of the laser sensor 7.
Furthermore, a first electric rail is mounted on the bottom surface of the mounting cross bar 42, and a first slider embedded in the sliding end of the first electric rail is mounted on the top surface of the connecting block 9.
Specifically, in this embodiment, in the detection process, the first electrical sliding rail is opened, so that the connecting block 9 moves to the upper side of one of the material tanks 3 along the first electrical sliding rail, a sample to be detected is placed in the material tank 3, then the emission angle of the laser generating device 5 and the receiving angle of the laser sensor 7 are adjusted, so that the laser emitted by the laser generating device 5 can be received by the laser sensor 7 after being reflected after being hit on the surface of the material to be detected, and then the corresponding laser signal is transmitted to the PC end.
In this embodiment, in the whole testing process, the first electric rail moves back and forth within a smaller range, the second electric rail 15 moves at a constant speed, the next person can make the laser strike on more areas of the surface of the material to be tested, the laser sensor 7 can always receive the reflected signal of the laser, further in the whole testing process, the photoelectric signal received by the laser sensor 7 is a waveform, parameters such as amplitude of the waveform are related to the measured chemical substances, the photoelectric signal received by the laser sensor 7 related to the attribute of the material to be tested can be transmitted to the PC end, and further the PC end is utilized for analysis, so that different chemical substances can be measured and analyzed.
In this embodiment, as in the previous embodiment, all rotational connections are damped, i.e., rotation can only occur after manual rotation by the tester, and then five rotating pieces can remain stationary under the damping after rotation by the tester is stopped.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (7)
1. A material laser detection device, characterized in that: the device comprises a base station (2) with a first power device (1) arranged at the bottom, wherein at least two mutually parallel material grooves (3) are formed in the top surface of the base station (2), a laser generating device (5) is arranged above the base station (2) through a support (4) and is used for emitting laser, meanwhile, a beam splitting prism (6) is arranged on the support (4) and is used for splitting the laser emitted by the laser generating device (5) to form beam splitting which can be injected into the material grooves (3), a laser sensor (7) is further arranged on the support (4) and is used for receiving the laser beam splitting reflected from the material grooves (3), and at least two laser sensors (7) are communicated with a PC end signal;
the support (4) is in sliding connection with the base station (2), the moving direction of the sliding support (4) is parallel to the material groove (3), a sliding groove (8) for installing the support (4) is formed in the side face of the base station (2), the support (4) comprises a supporting rod (41) which is slidably installed in the sliding groove (8), the top ends of the supporting rods (41) are connected through a horizontally arranged installation cross rod (42), a connecting block (9) is installed on the bottom surface of the installation cross rod (42), a basal disc (10) with the axis parallel to the material groove (3) is installed on one face of the connecting block (9), a beam splitting prism (6) is installed on the basal disc (10), the beam splitting face of the beam splitting prism (6) is perpendicular to the base station (2), the light emitting end of the laser generating device (5) faces the beam splitting face of the beam splitting prism (6), the optical sensor (9) is installed on one side of the basal disc (10), the two optical sensor (12) are installed on one side of the connecting rod (12) which is installed on the connecting rod (12), the laser sensors (7) are arranged on two sides of the beam-splitting prism (6).
2. A substance laser detection device according to claim 1, characterized in that: the base plate (10) comprises a rotating shaft (101) horizontally penetrating through the connecting block (9), one end of the rotating shaft (101) is rotatably provided with an adjusting disc (102), and the laser generating device is arranged on the adjusting disc (102).
3. A substance laser detection device according to claim 2, characterized in that: the storage end of the connecting rod (12) is connected with the mounting rod (11), the laser sensor (7) is rotatably mounted at the telescopic end of the connecting rod (12), and the rotation axis of the laser sensor (7) is perpendicular to the extending direction of the connecting rod (12).
4. A substance laser detection device according to claim 3, wherein: the utility model discloses a material groove (3) is provided with on installation pole (11), the extending direction with material groove (3) are parallel and vertically run through sliding channel (13) of installation pole (11), install screw thread fastener (14) in sliding channel (13), the bottom of screw thread fastener (14) pass sliding channel (13) and with the receiving end rotation of connecting rod (12) is connected, the fastening end setting of screw thread fastener (14) is in installation pole (11) with the opposite one side of connecting rod (12).
5. A substance laser detection device according to claim 4, wherein: the laser sensor (7) is connected with the adjusting disc (102) through a ball head shaft, and the ball head end of the ball head shaft is movably connected with the side wall of the laser sensor (7).
6. A substance laser detection device according to claim 5, wherein: the bottom surface of installation horizontal pole (42) is installed first electronic rail, the top surface of connecting block (9) is installed the embedding first slider of first electronic rail slip end.
7. A substance laser detection device according to claim 1, characterized in that: the first power device (1) comprises a second electric sliding rail (15), and a second sliding block (16) embedded in the second electric sliding rail (15) is arranged on the bottom surface of the base station (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808667.XA CN111929279B (en) | 2020-08-12 | 2020-08-12 | Material laser detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010808667.XA CN111929279B (en) | 2020-08-12 | 2020-08-12 | Material laser detection device |
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| CN111929279B true CN111929279B (en) | 2023-06-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130030Y (en) * | 2007-12-07 | 2008-10-08 | 华中科技大学 | Laser phase grating interference displacement sensor |
| CN104748673A (en) * | 2013-12-27 | 2015-07-01 | 富泰华工业（深圳）有限公司 | Laser detection device |
| JP6480725B2 (en) * | 2014-12-16 | 2019-03-13 | 花王株式会社 | Laser irradiation apparatus and laser irradiation method |
| CN106595515B (en) * | 2016-11-25 | 2019-01-22 | 天津大学 | The topography measurement device that a kind of white light interference and laser scanning combine |
| CN108107004B (en) * | 2017-12-19 | 2020-06-30 | 长春理工大学 | Narrow pulse laser target polarization reflection characteristic test method |
| CN208091394U (en) * | 2018-04-18 | 2018-11-13 | 武汉嘉琪新扬科技发展有限公司 | A kind of accurate measuring apparatus of concentricity |
| CN110441308A (en) * | 2018-05-02 | 2019-11-12 | 富泰华精密电子（郑州）有限公司 | Detection device |
| CN109030454A (en) * | 2018-07-19 | 2018-12-18 | 温州森佰生物科技有限公司 | A kind of high-resolution biological detection imaging method |
| CN110857908B (en) * | 2018-08-23 | 2022-02-15 | 天津大学 | Biological sample analysis and test system based on off-axis digital holographic microscopy and spectral analysis method |
| CN109883955B (en) * | 2019-03-04 | 2021-10-08 | 哈尔滨工业大学 | Device and method for obtaining optimal structure detection function of structure detection microscopic imaging system |
| CN110567400A (en) * | 2019-09-30 | 2019-12-13 | 华中科技大学 | low-nonlinearity angle measuring device and method based on laser interference |
| CN110940635A (en) * | 2019-11-08 | 2020-03-31 | 中国科学院福建物质结构研究所 | Ultraviolet second-order nonlinear optical testing device and testing method |
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