CN216349108U - Three-dimensional laser scanner protector of hand-held type - Google Patents
Three-dimensional laser scanner protector of hand-held type Download PDFInfo
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- CN216349108U CN216349108U CN202123203202.0U CN202123203202U CN216349108U CN 216349108 U CN216349108 U CN 216349108U CN 202123203202 U CN202123203202 U CN 202123203202U CN 216349108 U CN216349108 U CN 216349108U
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- laser scanner
- dimensional laser
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- 238000005286 illumination Methods 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 239000000805 composite resin Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 3
- 239000002689 soil Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a protective device of a handheld three-dimensional laser scanner, which is characterized in that: including the support, control module and the display module of setting on the support, lay around the support and can adjust the flexible subassembly of extension length and enclose the lens hood of establishing on flexible subassembly according to the scanning distance, the support passes through connecting device and is connected with three-dimensional laser scanner, control module is connected with display module and flexible subassembly electricity respectively, an extension length for receiving the illumination intensity signal that display module obtained and controlling flexible subassembly, the lens hood is outwards opened from three-dimensional laser scanner, the scanning laser angle of opening of angle more than or equal to three-dimensional laser scanner, the advantage is: the device is suitable for field rock-soil body surveying, particularly rock structure surface and joint surface scanning, and can achieve the purposes of improving the accuracy of the scanner and protecting the safety and stability of the instrument.
Description
Technical Field
The utility model relates to the field of geotechnical engineering, in particular to a protective device of a handheld three-dimensional laser scanner under a high-illumination severe condition, which is particularly used in the field of surveying of geotechnical body structural surfaces, joint surfaces and the like under the severe condition in the field.
Background
The three-dimensional laser scanning system mainly comprises a three-dimensional laser scanner, a computer, a power supply system, a bracket and system supporting software. The three-dimensional laser scanner is used as a main component of a three-dimensional laser scanning system, comprises a laser emitter, a receiver, a time counter, a motor-controlled rotatable filter, a control circuit board, a microcomputer, a CCD (charge coupled device) machine, software and the like, and is a technical revolution following the GPS technology in the field of surveying and mapping. And the handheld three-dimensional laser scanner has the characteristics of portability and easy use. The method breaks through the traditional single-point measurement method and has the unique advantages of high efficiency and high precision. The three-dimensional laser scanning technology can provide three-dimensional point cloud data of the surface of a scanned object, and therefore, the three-dimensional laser scanning technology can be used for obtaining a high-precision high-resolution digital terrain model. At present, large-scale western engineering is being developed, especially projects such as side slopes and mines, and the field geotechnical engineering needs accurate geotechnical body survey data, especially scientific research on structural surfaces, joint surfaces and the like, and an instrument is needed to identify sampling characteristics with high precision, so that scientific rules in the field geotechnical engineering can be analyzed, and support is provided for development of the geotechnical body engineering.
However, the existing three-dimensional laser scanner still has some problems when applied in a field environment. The field environment is often accompanied by strong illumination and high temperature, and the scanning accuracy of the handheld three-dimensional laser scanner is difficult to ensure under the interference of the severe condition; meanwhile, because the instrument needs to be operated in a reliable and stable place, impurities such as dust, soil blocks and the like in the field environment can easily enter the device under the condition of lacking protection, the working efficiency is greatly reduced, and even the scanner is damaged.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a handheld three-dimensional laser scanner protection device which is suitable for field rock-soil body exploration, particularly rock structure surface and joint surface scanning, and can achieve the purposes of improving the accuracy of the scanner and protecting the safety and stability of an instrument.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a hand-held type three-dimensional laser scanner protector, is in including support, setting the support on control module and display module, lay the support all around and can adjust the flexible subassembly of extension length and enclose and establish according to the scanning distance the flexible subassembly on the lens hood, the support pass through connecting device and be connected with three-dimensional laser scanner, control module respectively with display module with flexible subassembly electricity connect for receive the illumination intensity signal that display module obtained and control the extension length of flexible subassembly, the lens hood certainly three-dimensional laser scanner outwards open, the angle more than or equal to of opening three-dimensional laser scanner's scanning laser exit angle.
In some embodiments, the connecting device is a plurality of vacuum chucks uniformly arranged above the support, and the support is connected with the scanning outlet side of the three-dimensional laser scanner through the vacuum chucks. Through vacuum chuck can install and dismantle protector convenient and fast ground more, use in a flexible way on multiple hand-held type laser scanner and multiple occasion.
In some embodiments, the light shield and the telescoping assembly form a dust shield body, and the dust shield body has a tetrahedron-shaped conical structure. Thereby enabling sufficient shielding from intense illumination.
In some embodiments, the light shield is made of a resin-based composite material. The light shield made of the material has a good light shielding effect on one hand, and can provide good support for the structure of the light shield on the other hand.
In some embodiments, the control module is installed on the front side wall or the rear side wall of the bracket, the display module is installed on the front side wall of the bracket, the display module includes an inductor and a display screen, the inductor induces the illumination intensity and feeds back the illumination intensity to the control module, the illumination intensity is displayed on the display screen, and a portable emergency light source is further arranged behind the bracket. From this, the display module can judge and show illumination intensity, treats that illumination intensity reaches certain setting value after, can control the expansion of flexible subassembly, adjusts the length of flexible subassembly according to actual need.
In some embodiments, the telescopic assembly is an electric telescopic rod, and a thick rod end of the electric telescopic rod is connected with the bracket. The electric telescopic rod can comprise a thick rod end and a thin rod end, and the thin rod end is a push-out end.
In some embodiments, the electric telescopic rod further comprises a rod end part, the thin rod end of the electric telescopic rod is connected with the rod end part through a connecting fixing part, and the rod end part is provided with a limiting surface with a diameter larger than that of the thick rod end of the electric telescopic rod. Therefore, the integral structure of the protection device is more stable.
In some embodiments, the light shield and the telescoping assembly are removably connected or the light shield is embedded in the telescoping assembly. The detachable connection comprises the following steps that the light shield is arranged on the adjacent telescopic rod in a buckling mode, a hook mode, a magnetic suction component mode and the like; when the built-in light shield is adopted, the opening is arranged on the telescopic rod, and the built-in light shield is pulled out from the opening to be sleeved or hung on an adjacent telescopic rod to finish installation.
Compared with the prior art, the utility model has the advantages that: the protection device forms an integral structure with the handheld three-dimensional laser scanner through the support, the light shield, the telescopic assembly, the control module, the display module and the connecting device, so that the use precision of the three-dimensional laser scanner under the strong illumination condition is improved. Under the strong illumination condition, the display module prompts the illumination amount and the opening length of the telescopic assembly, and the shading effect can be adjusted by controlling the length of the telescopic assembly through the control module according to actual needs during use, so that the aim of efficiently using the protective device is fulfilled. The utility model is particularly suitable for the field geological investigation field in the geotechnical field, and especially has important significance for the slope engineering and the mine engineering with a large number of structural surfaces, joint surfaces, rock blocks.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of a hand-held three-dimensional laser scanner shielding device;
FIG. 2 is a schematic view of the end of a rod in another embodiment of a hand-held three-dimensional laser scanner shielding device;
fig. 3 is a schematic structural diagram of a telescopic assembly in another embodiment of a protective device of a handheld three-dimensional laser scanner.
Wherein, support 1, control module 2, display module 3, flexible subassembly 4, thick pole end 41, thin pole end 42, connection mounting 43, rod end portion 44, spacing face 45, stock 46, thin pole 47, hinge ring 48, lens hood 5, three-dimensional laser scanner 6, vacuum chuck 7.
Detailed Description
The following provides a further detailed description of the hand-held three-dimensional laser scanner protective device according to the present invention with reference to the accompanying drawings and examples, but the utility model is not limited thereto.
Example one
As shown in fig. 1-3, a hand-held three-dimensional laser scanner protection device includes a support 1, a control module 2 and a display module 3 which are arranged on the support 1, a telescopic assembly 4 which is arranged around the support 1 and can adjust the extension length according to the scanning distance, and a light shield 5 which is arranged around the telescopic assembly 4, wherein the support 1 is connected with the hand-held three-dimensional laser scanner 6 through a connecting device, in this embodiment, the connecting device is a plurality of vacuum chucks 7 which are uniformly arranged above the support 1. The support 1 is connected to the scanning exit side of the three-dimensional laser scanner 6 via a vacuum chuck 7.
The control module 2 is respectively electrically connected with the display module 3 and the telescopic component 4 and is used for receiving an illumination intensity signal obtained by the display module 3 and controlling the extension length of the telescopic component 4, the light shield 5 is outwards opened from the three-dimensional laser scanner 6, and the opened angle is larger than or equal to the emergent angle of the scanning laser of the three-dimensional laser scanner 6. In this embodiment, the opening angle of the telescopic assembly 4 is set to 53 ° with the emitting angle of the scanning laser, and in other embodiments, the opening angle can be adjusted by itself according to the actual needs of use.
Example two
The embodiment provides a protective device for a handheld three-dimensional laser scanner, which performs supplementary description on the specific structure of a light shield on the basis of the first embodiment. In this embodiment, the light shield 5 and the telescopic assembly 4 form a light shield body, and the light shield body has a tetrahedral cone structure.
In this embodiment, the material of the light shield 5 is a resin-based composite material. Compared with aerogel-opacifier composite materials, the resin-based composite material has the advantages of light weight, high specific strength and specific modulus, fatigue resistance, good damping and shock absorption performance, designable performance and the like, and the manufactured light shield can effectively avoid the influence of strong sunlight in the field on one hand and can provide good support for the structure of the light shield on the other hand.
EXAMPLE III
The handheld three-dimensional laser scanner protection device provided by the embodiment is complementary to the rest of the structure of the protection device on the basis of the first embodiment or the second embodiment. In this embodiment, control module 2 and display module 3 all install in the preceding lateral wall of support 1, all are connected with the power electricity, and display module 3 includes inductor and display screen, and the inductor senses feeds back to control module and shows illumination intensity on the display screen after illumination intensity, and control module 2 also can install in the back lateral wall of support 1 in other embodiments, and the rear of support 1 can also be provided with portable emergency light source.
In this embodiment, the telescopic assembly 4 is an electric telescopic rod, and the thick rod end 41 of the electric telescopic rod is connected with the bracket 1. The electric telescopic rod further comprises a rod end part 44, the thin rod end 42 of the electric telescopic rod is connected with the rod end part 44 through a connecting and fixing piece 43, and the rod end part 44 is provided with a limiting surface 45 with the diameter larger than that of the thick rod end 41 of the electric telescopic rod. The length of the thick rod end is preferably 50-60cm, the diameter is 5-10mm, the length of the thin rod end is preferably 30-35cm, and the diameter is 3-5 mm.
In this embodiment, lens hood 5 and flexible subassembly 4 are for dismantling to be connected, and the detachable mode can be buckle formula, couple formula or magnetism and inhale the formula, also can adopt lens hood 5 to place flexible subassembly 4 in, set up the opening on the telescopic link, pull out the cover with built-in lens hood by the opening and establish or hang and establish on the adjacent telescopic link, accomplish the installation.
Example four
In contrast to the above embodiments, in the protection device for a handheld three-dimensional laser scanner, the telescopic component of the protection device may be formed by a manually telescopic rod. The telescopic assembly 4 comprises a long rod 46 and a thin rod 47 which are coaxially arranged, and a hinge ring 48 which connects the long rod 46 and the thin rod 47 and enables the thin rod 47 to be telescopic in the long rod 46.
The working principle of the protective device of the handheld three-dimensional laser scanner is as follows: protector is when using, use vacuum chuck earlier to fix the device on hand-held type three-dimensional laser scanner, open display module and judge illumination intensity, treat that illumination intensity reaches a definite value after, through the expansion of control module control telescopic link, can adjust flexible length according to actual need, install the installation that can accomplish protector on the telescopic link with the lens hood again, wherein the module adopts the model to be STC12C5A60S2 singlechip, the model of inductor is BH1750, control process is current conventional technique.
The protective device for the handheld three-dimensional laser scanner can shield light and dust, solves the problem of precision reduction of the handheld three-dimensional laser scanner caused by intense illumination in the geotechnical engineering investigation field, improves scanning accuracy and result stability, improves working efficiency, ensures that the scanner is not damaged, and prolongs service life.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, and the present invention may be modified in materials and structures, or replaced with technical equivalents, in the constructions of the above-mentioned various components. Therefore, structural equivalents made by using the description and drawings of the present invention or by directly or indirectly applying to other related arts are also encompassed within the scope of the present invention.
Claims (8)
1. The utility model provides a hand-held type three-dimensional laser scanner protector, its characterized in that is in including support, setting the support on control module and display module, lay and establish the support all around and can adjust the flexible subassembly of extension length and enclose according to the scanning distance and establish flexible subassembly on the lens hood, the support pass through connecting device and be connected with three-dimensional laser scanner, control module respectively with display module with flexible subassembly electricity connect for receive the illumination intensity signal that display module obtained and control flexible subassembly's extension length, the lens hood certainly three-dimensional laser scanner outwards open, the angle more than or equal to of opening three-dimensional laser scanner's scanning laser emergence angle.
2. The hand-held three-dimensional laser scanner protective device as claimed in claim 1, wherein the connecting means is a plurality of vacuum suction cups uniformly arranged above the support, and the support is connected with a scanning outlet side of the three-dimensional laser scanner through the vacuum suction cups.
3. The hand-held three-dimensional laser scanner protective device according to claim 1, wherein the light shield and the telescoping assembly form a light shield body, and the light shield body has a tetrahedron cone shape.
4. The hand-held three-dimensional laser scanner protective device according to claim 1 or 3, wherein the light shield is made of a resin-based composite material.
5. The hand-held three-dimensional laser scanner protection device according to claim 1, wherein the control module is mounted on a front side wall or a rear side wall of the support, the display module is mounted on the front side wall of the support, the display module comprises an inductor and a display screen, the inductor senses illumination intensity and feeds the illumination intensity back to the control module, the illumination intensity is displayed on the display screen, and a portable emergency light source is further arranged behind the support.
6. The hand-held three-dimensional laser scanner protection device according to claim 1, wherein the telescopic assembly is an electric telescopic rod, and a thick rod end of the electric telescopic rod is connected with the support.
7. The hand-held three-dimensional laser scanner protection device according to claim 6, further comprising a rod end, wherein the thin rod end of the electric telescopic rod is connected with the rod end through a connecting fixing piece, and the rod end is provided with a limiting surface with a diameter larger than that of the thick rod end of the electric telescopic rod.
8. The hand-held three-dimensional laser scanner shielding device according to claim 3, wherein the light shield is detachably connected to the telescopic assembly or is embedded in the telescopic assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203202.0U CN216349108U (en) | 2021-12-17 | 2021-12-17 | Three-dimensional laser scanner protector of hand-held type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203202.0U CN216349108U (en) | 2021-12-17 | 2021-12-17 | Three-dimensional laser scanner protector of hand-held type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216349108U true CN216349108U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123203202.0U Expired - Fee Related CN216349108U (en) | 2021-12-17 | 2021-12-17 | Three-dimensional laser scanner protector of hand-held type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216349108U (en) |
-
2021
- 2021-12-17 CN CN202123203202.0U patent/CN216349108U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |