CN111929279A - Substance laser detection device - Google Patents
Substance laser detection device Download PDFInfo
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- CN111929279A CN111929279A CN202010808667.XA CN202010808667A CN111929279A CN 111929279 A CN111929279 A CN 111929279A CN 202010808667 A CN202010808667 A CN 202010808667A CN 111929279 A CN111929279 A CN 111929279A
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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
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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
- G01N2021/0314—Double pass, autocollimated path
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- General Physics & Mathematics (AREA)
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a substance laser detection device, and relates to the field of substance detection devices. The laser device comprises a base platform, the bottom of which is provided with a first power device, the top surface of the base platform is provided with at least two material grooves which are parallel to each other, a laser generating device is arranged above the base platform through a support and used for emitting laser, meanwhile, a beam splitter prism is arranged on the support and used for splitting the laser emitted by the laser generating device into split light which can be emitted into the material grooves, a laser sensor is also arranged on the support and used for receiving the split light of the laser reflected by the material grooves, and at least two laser sensors are in signal communication with a PC end; the purpose of dynamically collecting the laser information of the object to be detected is achieved.
Description
Technical Field
The invention relates to the field of substance detection devices, in particular to a substance laser detection device.
Background
The laser detection technology is widely applied, and great superiority of laser measurement is shown in laser interference length measurement, laser distance measurement, laser vibration measurement, laser speed measurement, laser speckle measurement, laser collimation, laser holography, laser scanning, laser tracking, laser spectrum analysis and the like. Laser heterodyne interferometry is an important technique for nano-measurements. The laser measurement is a non-contact measurement, does not influence the movement of a measured object, and has the advantages of high precision, large measurement range, short detection time and very high spatial resolution.
At present, in the field of laser detection, a device which can collect information of a substance by using laser and can accurately acquire laser signal change of the substance to be detected is lacked. Therefore, most of the current laser detection is applied to the field of laser speed measurement or particle size test or material flatness, and the detection application to the substance itself is less.
Disclosure of Invention
The invention aims to provide a substance laser detection device to realize the aim of dynamically collecting laser information of an object to be detected.
In order to achieve the purpose, the invention adopts the following technical means:
the utility model provides a material laser detection device, includes that the bottom installs first power device's base station, the top surface of base station is provided with two at least material grooves that are parallel to each other, there is laser generating device in the top of base station through the support mounting for laser, simultaneously, install beam splitter prism on the support, be used for with laser that laser generating device sent carries out the beam split and forms and can jet into the beam split in material groove, still be provided with laser sensor on the support, be used for receiving the follow the laser beam split of material groove reflection, laser sensor has at least two and all communicates with PC end signal.
Further, the support is connected with the base station in a sliding mode, and the moving direction of the sliding support is parallel to the material groove.
Furthermore, the side surface of the base station is provided with a sliding groove for installing the bracket, the bracket comprises a supporting rod which is slidably arranged in the sliding groove, the top ends of the supporting rods are connected through a horizontally arranged mounting cross rod, the bottom surface of the mounting cross rod is provided with a connecting block, a base plate with the axis parallel to the material groove is arranged on the surface of the connecting block, the beam splitter prism is arranged on the base plate, the light splitting surface of the light splitting prism is vertical to the base station, the laser generating device is arranged on the base plate, the light outlet end of the laser generating device faces the light splitting surface of the light splitting prism, one side of the connecting block, which is provided with the base plate, is provided with an installation rod parallel to the material groove, install two on the installation pole through the connecting rod laser sensor, the connecting rod is the double-end telescopic link, laser sensor sets up beam splitting prism's both sides.
Furthermore, the basal disc comprises a rotating shaft horizontally penetrating through the connecting block, an adjusting disc is rotatably arranged at one end of the rotating shaft, and the laser generator is arranged on the adjusting disc.
Furthermore, the storage end of the connecting rod is connected with the mounting rod, the laser sensor is rotatably mounted at the telescopic end of the connecting rod, and the rotating axis of the laser sensor is perpendicular to the extending direction of the connecting rod.
Furthermore, be provided with the extending direction on the installation pole with parallel and vertical the running through of material groove the slip passageway of installation pole, install screw thread fastener in the slip passageway, screw thread fastener's bottom is passed slip passageway and with the end rotation of accomodating of connecting rod is connected, screw thread fastener's fastening end sets up the installation pole with the one side that the connecting rod is relative.
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.
Furthermore, a first electric rail is installed on the bottom surface of the installation cross rod, and a first sliding block embedded into the sliding end of the first electric rail is installed on the top surface of the connecting block.
Furthermore, the first power device comprises a second electric sliding rail, and a second sliding block embedded into the second electric sliding rail is installed on the bottom surface of the base platform.
In the using process, the invention has the following beneficial effects:
placing a material to be measured in a material groove, after a laser generating device is started, emitting laser from the laser emitting device onto a beam splitter prism, dispersing the laser into refraction light and reflection light by using the beam splitter prism, respectively emitting the two beams of the dispersed refraction light and the two beams of the dispersed transmission light into two different material grooves, placing materials in the two material grooves, placing a standard part in one material groove, placing a sample to be measured in the other material groove, so that the surface of the material to be measured and the surface of the standard part can both receive the laser emitted from the laser generating device, then reflecting the laser after contacting the surface of the material, respectively receiving light reflected on different materials by using a laser sensor, then transmitting the received reflection signal to a PC end by using the laser sensor, comparing by using the PC end, and obtaining the difference between the laser reflection signal of the sample to be measured and the laser reflection signal of the standard part, and then carry out contrastive analysis to the composition of the sample that awaits measuring, and, at the in-process of test, utilize first power device to make linear motion by the base station, and aforementioned laser generating device and laser sensor are all in static device, and then let the base station carry out relative motion with aforementioned laser generating device and laser sensor, and then detect the whole of the sample that awaits measuring, detect more thoroughly on the one hand, on the other hand can also test the material uniform degree of the sample that awaits measuring itself, and then judge the quality of the sample that awaits measuring.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a side view structure diagram of the first viewing angle of fig. 1.
Fig. 3 is a schematic top view of the structure of fig. 1.
Fig. 4 is a side view structure diagram of fig. 1 from a second viewing angle.
Fig. 5 is a schematic view of the installation structure of the laser generator and the laser sensor according to the present invention.
Fig. 6 is a first side view structure diagram of fig. 5.
Fig. 7 is a second side view of the structure of fig. 5.
Fig. 8 is a schematic top view of the structure of fig. 5.
Fig. 9 is a schematic view of the installation structure of the laser generator and the laser sensor in another working state according to the present invention.
The device comprises a base, a material groove, a support, a supporting rod 41, a cross rod 42, a laser generating device 5, a beam splitter prism 6, a laser sensor 7, a chute 8, a connecting block 9, a base plate 10, a rotating shaft 101, an adjusting disc 102, an installing rod 11, a connecting rod 12, a sliding channel 13 and a thread fastening device 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In one embodiment of the present application.
Referring to fig. 1 to 8, in particular to a substance laser detection device, which includes a base platform 2 having a first power device 1 mounted at the bottom thereof, at least two material grooves 3 parallel to each other are formed in the top surface of the base platform 2, a laser generator 5 is mounted above the base platform 2 through a support 4 for emitting laser, a beam splitter prism 6 is mounted on the support 4 for splitting the laser emitted from the laser generator 5 into split beams capable of being injected into the material grooves 3, a laser sensor 7 is further disposed on the support 4 for receiving the split beams of the laser reflected from the material grooves 3, and at least two laser sensors 7 are in signal communication with a PC terminal.
The method comprises the steps of placing a material to be detected in a material groove 3, after a laser generating device 5 is started, emitting laser from the laser emitting device onto a beam splitter prism 6, dispersing the laser into refraction light and reflection light by using the beam splitter prism 6, respectively emitting the two beams of the dispersed refraction light and the two beams of the emitted light into two different material grooves 3, placing materials in the two material grooves 3, placing a standard part in one material groove 3, placing a sample to be detected in the other material groove 3, receiving the laser emitted from the laser generating device 5 on the surface of the material to be detected and the surface of the standard part, reflecting the laser after contacting the surface of the material, respectively receiving light reflected on different materials by using a laser sensor 7, transmitting the received reflection signal to a PC end by using the laser sensor 7, comparing by using the PC end, and obtaining the difference between the laser reflection signal of the sample to be detected and the laser reflection signal of the standard part, and then carry out contrastive analysis to the composition of the sample that awaits measuring, and, at the in-process of test, utilize first power device 1 to make base station 2 be linear motion, and aforementioned laser generating device 5 and laser sensor 7 are all in static device, and then let base station 2 and aforementioned laser generating device 5 and laser sensor 7 carry out relative motion, and then detect the whole of the sample that awaits measuring, detect more thoroughly on the one hand, on the other hand can also test the material uniformity degree of the sample that awaits measuring itself, and then judge the quality of the sample that awaits measuring.
Then, in a more preferable scheme, the bracket 4 is slidably connected to the base 2, where the sliding connection is only a mounting manner capable of moving relatively, that is, the bracket 4 and the base 2 can be connected by a hard object, or the bracket 4 and an object other than the base 2 are fixed, and during the moving of the base 2, the bracket 4 is kept stationary, so that the bracket 4 and the base 2 are movably connected.
Specifically, the best mode is to make the support 4 and the base 2 connected with each other in a sliding manner, so that the laser generator 5, the beam splitter prism 6, the laser sensor 7 and the like mounted on the support 4 can be more stably matched with the support 4 of the base 2.
Specifically, the side of base station 2 is provided with and is used for installing the spout 8 of support 4, support 4 includes slidable mounting at bracing piece 41 in the spout 8, and the top of bracing piece 41 is connected through the installation horizontal pole 42 that the level set up, connecting block 9 is installed to the bottom surface of installation horizontal pole 42, and connecting block 9 here is used for installing aforementioned laser generating device 5, beam splitter prism 6 and laser sensor 7.
The specific installation mode is as follows, the face of connecting block 9 is installed the axis with base plate 10 that material groove 3 is parallel, spectral prism 6 is installed on base plate 10, just spectral prism 6's spectral surface with base station 2 is perpendicular to it needs to explain, the long limit of aforementioned spectral surface of spectral prism 6 is exactly that the extending direction parallel arrangement of below limit and material groove 3 is hit to the laser that hits on spectral prism 6 like this, and the production refraction light that can be accurate and the reverberation is used for letting the laser shine on the material surface after hitting spectral prism 6.
The laser generating device 5 is installed on the base plate 10, and the light outlet end of the laser generating device 5 faces the light splitting surface of the light splitting prism 6, so 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 base plate 10 install with material groove 3 parallel installation pole 11, install two through connecting rod 12 on the installation pole 11 laser sensor 7, one of them laser sensor 7 of aforementioned two is used for receiving the laser signal of reflection on the standard component, and another laser sensor 7 is used for receiving the laser signal of reflection on the article that awaits measuring.
More optimally, connecting rod 12 is the double-end telescopic link, laser sensor 7 sets up beam splitter prism 6's both sides utilize aforementioned double-end telescopic link like this, can adjust laser sensor 7 distance beam splitter prism 6's distance respectively, and then let laser sensor 7 can be better more accurate accept from the material reflected laser signal.
Furthermore, in order to let whole light path can be more convenient for adjust, aforementioned laser generating device 5 can rotate around beam splitter prism 6 when installing on base plate 10, and specifically speaking, aforementioned base plate 10 includes that the level runs through the pivot 101 of connecting block 9, the one end of pivot 101 is rotated and is installed regulation disc 102 to aforementioned beam splitter prism 6 is installed at aforementioned pivot 101 tip, laser generator installs on regulation disc 102, can be so through changeing aforementioned regulation disc 102, and then adjust laser generator's angle, let laser generator rotate around pivot 101 to adjust the incident angle that laser jetted into beam splitter prism 6, thereby adjust the light path, mutually support with aforementioned double-end telescopic link like this, let operating personnel to the regulation of light path more accurate, it is more convenient.
Furthermore, adjust the aspect and carry out more optimized setting, specific saying so, connecting rod 12 accomodate the end with installation pole 11 is connected, laser sensor 7 rotates to be installed the flexible end of connecting rod 12, just laser sensor 7's axis of rotation with the extending direction of connecting rod 12 is perpendicular, so not only can adjust laser sensor 7 apart from beam splitter prism 6's distance through the flexible of connecting rod 12, can also adjust laser sensor 7's acceptance angle 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 mounted on the bottom surface of the base 2, that is, the base 2 is moved by 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 rotational connections are rotation with damping, that is, the rotation can be performed only after the tester rotates manually, and then the five rotating parts can be kept still under the damping action after the tester stops rotating.
Again, in another embodiment of the invention.
In this embodiment, the difference from the previous 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 disposed on the mounting rod 11, and specifically, the sliding is for enabling the detection device according to the present invention to perform detection in another state, and the specific detection manner is to facilitate the subsequent analysis of the chemical substance of the material by the PC end and enable the PC end to receive more accurate laser reflection signals on the basis of the previous embodiment or during direct detection.
Of course, the present embodiment is still optimized based on the foregoing embodiments, and the differences will be explained in more detail.
Referring to fig. 9, fig. 9 is a working state in this embodiment, specifically, a sliding channel 13 is provided on the mounting rod 11, the extending direction of the sliding channel 13 is parallel to the material groove 3 and vertically penetrates 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 rotatably 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 to say, adjust the direction position of connecting rod 12 through the aforesaid setting, namely can adjust the relative position between laser sensor 7 and the laser generator the two, specifically, twist the fastening end of screw thread fastener 14, let the fastening end loosen, can remove connecting rod 12 this moment, move connecting rod 12 to suitable position and let connecting rod 12 rotate, the pivoted standard is: firstly, the adjusting disc 102 is rotated to enable the laser generating device 5 to be at the lowest end of the adjusting disc 102, then the connecting rod 12 is rotated to rotate until the connecting line of the laser sensor 7 and the laser generating device 5 is parallel to the material groove 3, and certainly, the position of the laser generating device 5 can not be adjusted to enable the laser generator and the laser sensor 7 to be adjusted to a standard position.
After the adjustment is completed, in order to enable the laser of the laser generator 5 to generate a moving angle with the material below the laser generator, the laser sensor 7 is connected with the adjustment 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 installed on the bottom surface of the installation cross rod 42, and a first sliding block embedded into the sliding end of the first electric rail is installed on the top surface of the connecting block 9.
Specifically, in this embodiment, in the detection process, the first electric slide rail is opened, the connecting block 9 is moved to the position above one of the material grooves 3 along the first electric slide rail, a sample to be detected is placed in the material groove 3, then the emitting angle of the laser generating device 5 and the receiving angle of the laser sensor 7 are adjusted, 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, the in-process of whole test, first electric rail round trip movement in a less within range, second electric slide rail 15 is at uniform velocity under certain speed and moves, the person can let laser hit on the more area in the material surface that awaits measuring, and laser sensor 7 can receive the reflection signal of laser all the time, and then at the in-process of whole test, the photoelectric signal of receiving on the laser sensor 7 is a waveform, the amplitude isoparametric of waveform is relevant with measured chemical substance, the photoelectric signal who receives on the laser sensor 7 and await measuring material attribute itself is relevant can be transmitted to the PC end in, and then utilize the PC end to carry out the analysis so can the different chemical substance of measurement and analysis.
In this embodiment, as in the previous embodiments, all the rotational connections are damped rotation, i.e. rotation can only occur after the test person manually rotates, and then the five rotating parts can be kept still under the damping action after the test person stops rotating.
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 spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (9)
1. A substance laser detection device is characterized in that: install base station (2) of first power device (1) including the bottom, the top surface of base station (2) is provided with two at least material grooves (3) that are parallel to each other, laser generating device (5) are installed through support (4) to the top of base station (2) for send laser, simultaneously, install beam splitter prism (6) on support (4), be used for with laser that laser generating device (5) sent divides the beam to form and can kick into the beam split of material groove (3), still be provided with laser sensor (7) on support (4), be used for receiving the follow the laser beam splitting of material groove (3) reflection, laser sensor (7) have at least two and all with PC end signal intercommunication.
2. A substance laser detecting device according to claim 1, wherein: the support (4) is connected with the base platform (2) in a sliding mode, and the moving direction of the sliding support (4) is parallel to the material groove (3).
3. A substance laser detecting device according to claim 2, wherein: the side of base station (2) is provided with spout (8) that are used for installing support (4), support (4) including slidable mounting in bracing piece (41) in spout (8), the top of bracing piece (41) is connected through installation horizontal pole (42) that the level set up, connecting block (9) are installed to the bottom surface of installation horizontal pole (42), the axis is installed to the one side of connecting block (9) with base plate (10) that material groove (3) are parallel, install beam splitter prism (6) on base plate (10), just the beam splitting face of beam splitter prism (6) with base station (2) are perpendicular, install laser generating device (5) on base plate (10), just the play light end orientation of laser generating device (5) the beam splitting face of beam splitter prism (6), connecting block (9) are provided with one side of base plate (10) install with installation pole (11) that material groove (3) are parallel, install two through connecting rod (12) on installation pole (11) laser sensor (7), connecting rod (12) are double-end telescopic link, laser sensor (7) set up the both sides of beam splitting prism (6).
4. A substance laser detecting device according to claim 3, wherein: the base plate (10) runs through including the level pivot (101) of connecting block (9), the one end of pivot (101) is rotated and is installed regulation disc (102), laser generator installs on regulation disc (102).
5. A substance laser detecting device according to claim 3 or 4, wherein: the accommodating 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 rotating axis of the laser sensor (7) is perpendicular to the extending direction of the connecting rod (12).
6. The laser detection device for substances as claimed in claim 4, wherein: be provided with on installation pole (11) extending direction with material groove (3) parallel and vertical 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) is passed sliding channel (13) and with the end rotation of accomodating of connecting rod (12) is connected, the fastening end setting of screw thread fastener (14) is in installation pole (11) with the one side that connecting rod (12) are relative.
7. The laser detector as claimed in claim 6, 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).
8. The laser detector as claimed in claim 7, wherein: a first electric rail is installed on the bottom surface of the installation cross rod (42), and a first sliding block embedded into the sliding end of the first electric rail is installed on the top surface of the connecting block (9).
9. A substance laser detecting device according to claim 1, wherein: the first power device (1) comprises a second electric sliding rail (15), and a second sliding block (16) embedded into the second electric sliding rail (15) is installed on the bottom surface of the base platform (2).
Priority Applications (1)
| 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 |
|---|---|---|---|
| CN202010808667.XA CN111929279B (en) | 2020-08-12 | 2020-08-12 | Material laser detection device |
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| CN111929279B CN111929279B (en) | 2023-06-06 |
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| CN111929279B (en) | 2023-06-06 |
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