CN112229825A - Portable laser geodesic instrument - Google Patents
Portable laser geodesic instrument Download PDFInfo
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- CN112229825A CN112229825A CN202011468299.5A CN202011468299A CN112229825A CN 112229825 A CN112229825 A CN 112229825A CN 202011468299 A CN202011468299 A CN 202011468299A CN 112229825 A CN112229825 A CN 112229825A
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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Abstract
The application provides a portable laser geodesic instrument, which comprises an installation shell and a rotating arm; a mounting groove is formed in the side wall of one side of the mounting shell along the longitudinal direction; a rotating shaft is arranged between the rotating arm and the side wall of the bottom of the mounting groove, so that the rotating arm can rotate into the mounting groove; the rotating shaft is provided with a light path through hole communicated with the mounting shell and the interior of the rotating arm; a laser is arranged in the mounting shell along the extending direction of the light path through hole; a reflecting mirror, a beam expanding mirror and a focusing mirror are sequentially arranged at one end of the rotating arm, which is close to the rotating shaft; the reflector and the light path through hole are coaxial; a collecting mirror is arranged in the rotating arm and close to the focusing mirror; a spectrometer and a power supply module for supplying power to the spectrometer and the laser are also arranged in the mounting shell; the spectrometer is connected with the collecting mirror and used for shooting the spectrum. Through the structure, the outdoor detection can be facilitated, the work efficiency is improved, and the soil sample is prevented from being cross-polluted.
Description
Technical Field
The present disclosure relates generally to the field of laser geodetic instruments, and more particularly to a portable laser geodetic instrument.
Background
The laser geodesic apparatus irradiates a sample by using a pulsed laser with high peak power, a light beam is focused to a small analysis point, materials in the sample are ablated and stripped in a laser irradiation spot area, and a nano particle cloud is formed above the sample. Since the peak energy of the laser beam is relatively high, its absorption and multiphoton ionization effects increase the opacity of the gas and aerosol cloud generated above the sample, even if excited by very short laser pulses; as the energy of the laser is significantly absorbed by the cloud, a plasma develops; the high energy plasma melts the nanoparticles, exciting the atoms therein and emitting light; the light emitted by the atoms can be captured by a detector and recorded as a spectrum, and by analyzing the spectrum, information can be obtained about what elements are present in the sample.
In the prior art, a laser soil tester is usually fixedly installed in a laboratory, and a soil sample is easily subjected to cross contamination in the transferring process, so that the experimental result is inaccurate; in the transfer process, more manpower and material resources are wasted, and the efficiency is lower.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a portable laser soil measuring instrument which is convenient for outdoor detection, is beneficial to improving the working efficiency and prevents the soil sample from cross contamination.
The application provides a portable laser geodesic instrument, which comprises an installation shell and a rotating arm; an installation groove is formed in the side wall of one side of the installation shell along the longitudinal direction; a rotating shaft is arranged between the rotating arm and the side wall of the bottom of the mounting groove, so that the rotating arm can rotate into the mounting groove;
the rotating shaft is provided with a light path through hole communicated with the mounting shell and the interior of the rotating arm; a laser is arranged in the mounting shell along the extending direction of the light path through hole; a reflecting mirror, a beam expanding mirror and a focusing mirror are sequentially arranged at one end, close to the rotating shaft, in the rotating arm; the reflector and the light path through hole are coaxial; a collecting mirror is arranged in the rotating arm and close to the focusing mirror;
a spectrometer and a power supply module for supplying power to the spectrometer and the laser are also arranged in the mounting shell; the spectrometer is connected with the collecting mirror and used for shooting a spectrum.
According to the technical scheme provided by the embodiment of the application, a controller is further installed in the installation shell and connected with the laser and the spectrometer;
the controller is configured to control the laser to emit laser light and control the spectrometer to shoot a spectrum;
the power module is also used for supplying power to the controller.
According to the technical scheme provided by the embodiment of the application, one end, far away from the rotating shaft, of the rotating arm is communicated with a sample box, and the rotating arm can drive the sample box to rotate into the mounting groove; the sample box with fixed connection can be dismantled to the swinging boom, the articulated top cap that installs in sample box top.
According to the technical scheme provided by the embodiment of the application, a servo motor is arranged at one end, far away from the rotating arm, in the sample box;
the servo motor rotating shaft is provided with a connecting plate; the connecting plate is connected with a sample die; and a placing hole for placing a soil sample is formed in the sample mold.
According to the technical scheme that this application embodiment provided, connecting plate fixed mounting has the sample frame, the sample frame is equipped with and is used for fixing the insertion groove of sample mould, the sample frame corresponds place the hole and be equipped with and dodge the hole, make laser accessible dodge the hole jet into extremely soil sample surface.
According to the technical scheme that this application embodiment provided, be equipped with in the mounting groove with the installation casing is kept away from the through-hole of mounting groove one side lateral wall intercommunication makes the swinging boom rotates extremely when in the mounting groove, can with the sample mould passes through the through-hole insert to in the insertion groove.
According to the technical scheme that this application embodiment provided, sample box bottom is along the perpendicular to the direction of laser is equipped with a plurality of mounting hole, makes servo motor can correspond different mounting holes and install in the sample box.
According to the technical scheme that this application embodiment provided, install the hand-strap on the installation casing.
According to the technical scheme provided by the embodiment of the application, a strap is installed on one side, close to the installation groove, of the installation shell.
According to the technical scheme that this application embodiment provided, be located on the installation casing the four corners demountable installation of mounting groove one side lateral wall has the stay tube.
The beneficial effect of this application lies in: based on the technical scheme recorded in the application, in the using process, the rotating arm can be held by hands and rotated to the horizontal position, and a soil sample is placed into the rotating arm, out of the rotating arm or the rotating arm is adjusted to directly align to the soil to be detected; the laser emits laser, and the laser irradiates the surface of the soil through a light path through hole on the rotating shaft and through reflection of the reflecting mirror, beam expansion of the beam expanding mirror and focusing of the focusing mirror; at the moment, the soil surface plasma is excited, and the excited spectrum of the soil surface is obtained through a collecting mirror connected with the spectrometer, so that the soil sample can be analyzed; after the use is accomplished, can with the swinging boom rotates extremely in the mounting groove, the structure is nimble, portable.
Preferably, the installation shell is close to one side of the installation groove and is provided with a strap, so that a worker can bear the installation shell on the back, and soil samples or soil to be detected can be conveniently detected by holding the rotating arm.
The application provides a pair of portable laser surveys native appearance, the structure is ingenious, is convenient for carry out soil detection in the open air, is favorable to improving work efficiency, prevents soil sample cross contamination.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a portable laser geodetic apparatus provided in the present application;
fig. 2 is a schematic structural view of the rotating arm 2 shown in fig. 1 rotating into the mounting groove 3;
fig. 3 is a schematic view of an internal mounting structure of the rotating arm 2 shown in fig. 1;
FIG. 4 is a schematic top view of the structure of FIG. 3;
fig. 5 is a schematic structural view of the servo motor 13 shown in fig. 4;
FIG. 6 is a schematic view of the sample holder 17 shown in FIG. 5 with the sample mold 15 mounted thereon;
fig. 7 is a rear view of the mounting case 1 shown in fig. 1;
fig. 8 is a schematic structural diagram of the rotary arm 2 shown in fig. 1 with a touch screen 24 disposed thereon;
fig. 9 is a schematic structural view of the mounting case 1 shown in fig. 1 with the support pipe 32 mounted thereon;
reference numbers in the figures:
1. installing a shell; 2. a rotating arm; 3. mounting grooves; 4. a rotating shaft; 5. a laser; 6. a mirror; 7. a collecting mirror; 8. a spectrometer; 9. a controller; 10. a power supply module; 11. a beam expander; 12. a focusing mirror; 13. a servo motor; 14. a connecting plate; 15. a sample mold; 16. placing holes; 17. a sample holder; 18. inserting the groove; 19. avoiding holes; 20. a sample cartridge; 21. a through hole; 22. a hand strap; 23. a harness; 24. a touch screen; 25. a first power supply; 26. a second power supply; 27. an optical fiber; 28. an arc reed; 29. a hinge plate; 30. a rigid support; 31. a top cover; 32. supporting a tube; 33. and adjusting the rod.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1, which is a schematic structural diagram of a portable laser geodetic apparatus provided in the present application, including a mounting housing 1 and a rotating arm 2; an installation groove 3 is formed in the side wall of one side of the installation shell 1 along the longitudinal direction; as shown in fig. 3 and 4, a rotating shaft 4 is installed between the rotating arm 2 and the bottom side wall of the mounting groove 3, so that the rotating arm 2 can rotate into the mounting groove 3;
the rotating shaft 4 is provided with a light path through hole communicated with the mounting shell 1 and the interior of the rotating arm 2; a laser 5 is arranged in the mounting shell 1 along the extending direction of the light path through hole; a reflecting mirror 6, a beam expanding mirror 11 and a focusing mirror 12 are sequentially arranged at one end of the rotating arm 2 close to the rotating shaft 4; the reflector 6 and the light path through hole are coaxial; a collecting mirror 7 is arranged in the rotating arm 2 close to the focusing mirror 12;
as shown in fig. 3 and 4, a spectrometer 8 and a power module 10 for supplying power to the spectrometer 8 and the laser 5 are further disposed in the mounting housing 1; the spectrometer 8 is connected with the collecting mirror 7 and is used for shooting a spectrum.
Specifically, the power supply module 10 includes a first power supply 25 for supplying power to the laser 5 and a second power supply 26 for supplying power to the spectrometer 8; the first power source 25 and the second power source 26 may be batteries.
Specifically, as shown in fig. 3, a rigid support 30 is fixedly mounted in the mounting housing 1, and the laser 5 is mounted on the rigid support 30.
Specifically, the spectrometer 8 is connected to the collecting mirror 7 through an optical fiber 27. The optical fiber 27 may also be externally fitted with a sleeve to protect the optical fiber from damage.
Further, the rotating arm 2 may have a rectangular tube structure, so that it is convenient to fix the device inside the rotating arm 2.
The working principle is as follows: in the using process, the rotating arm 2 can be held by hand and rotated to the horizontal position, and a soil sample is put into the rotating arm 2 or outside the rotating arm 2 or the rotating arm 2 is adjusted to directly align with the soil to be detected; as shown in fig. 3 and 4, the laser 5 emits laser, and the laser passes through the light path through hole on the rotating shaft 4 and is reflected by the reflecting mirror 6, expanded by the beam expanding mirror 11 and focused by the focusing mirror 12 to irradiate the surface of the soil; at the moment, the soil surface plasma is excited, and the spectrum excited on the soil surface is obtained through a collecting mirror 7 connected with the spectrometer 8, so that the soil sample can be analyzed; after the use, as shown in fig. 2, the rotating arm 2 can be rotated into the mounting groove 3, so that the structure is flexible and the carrying is convenient.
The application provides a pair of portable laser surveys native appearance, the structure is ingenious, is convenient for carry out soil detection in the open air, is favorable to improving work efficiency, prevents soil sample cross contamination.
In a preferred embodiment of the controller 9, as shown in fig. 3, a controller 9 is further installed in the installation housing 1, and the controller 9 is connected to the laser 5 and the spectrometer 8;
the controller 9 is configured to control the laser 5 to emit laser light, and control the spectrometer 8 to shoot a spectrum;
the power module 10 is also used to supply power to the controller 9.
Specifically, the second power supply 26 of the power module 10 supplies power to the controller 9.
In a preferred embodiment of the rotating arm 2, a sample box 20 is communicated with one end of the rotating arm 2, which is far away from the rotating shaft 4, and the rotating arm 2 can drive the sample box 20 to rotate into the mounting groove 3; the sample box 20 and the rotating arm 2 can be dismantled and fixedly connected, and the top of the sample box 20 is hinged with a top cover 31.
Specifically, be used for placing soil sample in the sample box 20, because the swinging boom 2 with sample box 20 intercommunication makes the laser accessible reflector 6, beam expanding lens 11 and focusing mirror 12 in the swinging boom 2 shine to on the soil sample in the sample box 20.
Specifically, the sample box 20 can be detachably and fixedly connected with the end part of the rotating arm 2 through a fastener; after the sample box 20 is disassembled, the rotating arm 2 can be aligned to soil to be detected for soil detection, and further, after the sample box 20 is disassembled, a stop block can be detachably installed at the end part of the rotating arm 2; when soil needs to be detected, the stop block can be detached so as to facilitate laser irradiation on the soil; after detection is finished, the stop block is installed at the end part of the rotating arm 2, and the laser 5 is prevented from being opened by mistake, so that laser is emitted to the outside. Specifically, the stop block and the end part of the rotating arm 2 can be detachably connected through threads.
In the preferred embodiment of the rotating arm 2, as shown in fig. 4, a servo motor 13 is installed at one end of the sample box 20 far from the rotating arm 2;
a connecting plate 14 is arranged on the rotating shaft of the servo motor 13; the connecting plate 14 is connected with a sample die 15; the sample mold 15 is provided with a placing hole 16 for placing a soil sample.
As will be appreciated by those skilled in the art, the placement hole 16 is disposed in a light path of the stress light so that the laser light can be emitted to the surface of the soil sample in the placement hole 16.
Through the structure, when laser irradiates to soil sample on the surface, servo motor 13 drives connecting plate 14 rotates, and then drives soil sample in sample mould 15 rotates, makes laser simultaneously be in arouse a plurality of faculas on the soil sample, improved work efficiency.
In a preferred embodiment of the sample mold 15, as shown in fig. 5 and 6, a sample holder 17 is fixedly mounted on the connecting plate 14, the sample holder 17 is provided with an insertion groove 18 for fixing the sample mold 15, and the sample holder 17 is provided with an avoidance hole 19 corresponding to the placement hole 16, so that the laser can be emitted to the surface of the soil sample through the avoidance hole 19.
Specifically, as shown in fig. 5, an arc-shaped spring 28 may be installed on an inner side wall of the insertion groove 18, so that when the sample mold 15 is inserted into the insertion groove 18, the sample mold is in tight contact with an arc-shaped surface of the arc-shaped spring 28.
In a preferred embodiment of the mounting groove 3, as shown in fig. 7, a through hole 21 is provided in the mounting groove 3 and communicates with a side wall of the mounting housing 1 away from the mounting groove 3, so that the sample mold 15 can be inserted into the insertion groove 18 through the through hole 21 when the rotating arm 2 is rotated into the mounting groove 3.
Furthermore, a hinge plate 29 is hinged to the side wall of the mounting shell 1 away from the mounting groove 3 corresponding to the through hole 21, that is, the hinge plate 29 and the mounting shell 1 can be hinged through a hinge.
With the structure, when in use, the rotating arm 2 and the sample box 20 can be rotated into the mounting groove 3, the mounting shell 1 is placed in a horizontal position, the hinge plate 29 is opened, and the sample mold 15 is inserted into the insertion groove 18 through the through hole 21 which is arranged on the mounting shell 1 and communicated with the mounting groove 3, so that soil detection is carried out.
In a preferred embodiment of the servo motor 13, a plurality of mounting holes are formed in the bottom of the sample box 20 along a direction perpendicular to the laser, so that the servo motor 13 can be mounted in the sample box 20 corresponding to different mounting holes.
Through with servo motor 13 installs in different mounting holes department for can adjust the horizontal position of sample mould 15, make the laser can correspond to penetrate to different positions on the soil sample, improved work efficiency.
In the preferred embodiment of the mounting case 1, as shown in fig. 1, a hand strap 22 is mounted on the mounting case 1.
Preferably, the hand strap 22 is mounted to the mounting housing at a top position; the geodetic apparatus is portable by mounting the hand strap 22.
In a preferred embodiment of the mounting case 1, as shown in fig. 1, a strap 23 is mounted on the mounting case 1 on a side close to the mounting groove 3.
Specifically, when in use, the mounting shell 1 can be carried on the back through the straps 23, and soil can be detected by holding the rotating arm 2 by hand.
In a preferred embodiment of the installation casing 1, support pipes 32 are detachably mounted at four corners of a side wall of the installation casing 1 on one side of the installation groove 3. So that the mounting case 1 can be placed on a horizontal ground through four support pipes 32.
Preferably, an adjusting rod 33 is installed at one end of the supporting tube far away from the installation shell 1 through threads, and when the installation shell 1 needs to be placed on uneven ground, the installation shell 1 can be adjusted to be horizontal by adjusting the adjusting rod 33.
Specifically, a touch screen 24 may be further mounted on the rotating arm 2, the touch screen 24 is connected to an input end of the controller 9, and the touch screen 24 is used for inputting a control instruction.
Specifically, the controller 9 may further be connected to a wireless transmission module, so as to facilitate communication and interaction with the outside.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The utility model provides a portable laser geodesic appearance which characterized in that: comprises a mounting shell (1) and a rotating arm (2); an installation groove (3) is formed in the side wall of one side of the installation shell (1) along the longitudinal direction; a rotating shaft (4) is arranged between the rotating arm (2) and the side wall of the bottom of the mounting groove (3), so that the rotating arm (2) can rotate into the mounting groove (3);
the rotating shaft (4) is provided with a light path through hole communicated with the mounting shell (1) and the rotating arm (2); a laser (5) is arranged in the mounting shell (1) along the extending direction of the light path through hole; a reflecting mirror (6), a beam expanding mirror (11) and a focusing mirror (12) are sequentially arranged at one end of the rotating arm (2) close to the rotating shaft (4); the reflector (6) and the light path through hole are coaxial; a collecting mirror (7) is arranged in the rotating arm (2) and close to the focusing mirror (12);
a spectrometer (8) and a power module (10) for supplying power to the spectrometer (8) and the laser (5) are also arranged in the mounting shell (1); the spectrometer (8) is connected with the collecting mirror (7) and is used for shooting a spectrum.
2. The laser soil measuring instrument of claim 1, wherein: a controller (9) is further installed in the installation shell (1), and the controller (9) is connected with the laser (5) and the spectrometer (8);
the controller (9) is configured to control the laser (5) to emit laser light and control the spectrometer (8) to shoot a spectrum;
the power supply module (10) is also used for supplying power to the controller (9).
3. The laser soil measuring instrument of claim 1, wherein: a sample box (20) is communicated with one end, far away from the rotating shaft (4), of the rotating arm (2), and the rotating arm (2) can drive the sample box (20) to rotate into the mounting groove (3); sample box (20) with fixed connection can be dismantled to swinging boom (2), sample box (20) top is articulated to be installed top cap (31).
4. The laser geodetic apparatus of claim 3, wherein: a servo motor (13) is arranged at one end, far away from the rotating arm (2), in the sample box (20);
a connecting plate (14) is arranged on a rotating shaft of the servo motor (13); the connecting plate (14) is connected with a sample die (15); the sample mould (15) is provided with a placing hole (16) for placing a soil sample.
5. The laser geodetic apparatus of claim 4, wherein: connecting plate (14) fixed mounting has sample frame (17), sample frame (17) are equipped with and are used for fixing the insertion groove (18) of sample mould (15), sample frame (17) correspond place hole (16) and be equipped with dodge hole (19), make the laser accessible dodge hole (19) penetrate to the surface of soil sample.
6. The laser geodetic apparatus of claim 5, wherein: be equipped with in mounting groove (3) with installation casing (1) is kept away from through-hole (21) of mounting groove (3) one side lateral wall intercommunication for when swivel arm (2) rotate to in mounting groove (3), can with sample mould (15) pass through-hole (21) insert to in insertion groove (18).
7. The laser geodetic apparatus of claim 4, wherein: the bottom of the sample box (20) is provided with a plurality of mounting holes along the direction perpendicular to the laser, so that the servo motor (13) can be mounted in the sample box (20) corresponding to different mounting holes.
8. The laser geodetic apparatus of any one of claims 1 to 7, wherein: the mounting shell (1) is provided with a hand strap (22).
9. The laser geodetic apparatus of any one of claims 1 to 7, wherein: and a strap (23) is arranged on one side of the mounting shell (1) close to the mounting groove (3).
10. The laser geodetic apparatus of any one of claims 1 to 7, wherein: and supporting pipes (32) are detachably mounted at four corners of the side wall of one side of the mounting groove (3) on the mounting shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468299.5A CN112229825B (en) | 2020-12-15 | 2020-12-15 | Portable laser geodesic instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468299.5A CN112229825B (en) | 2020-12-15 | 2020-12-15 | Portable laser geodesic instrument |
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| CN112229825A true CN112229825A (en) | 2021-01-15 |
| CN112229825B CN112229825B (en) | 2021-04-13 |
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Also Published As
| Publication number | Publication date |
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| CN112229825B (en) | 2021-04-13 |
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