CN113447909A - Airborne miniature laser radar three-dimensional mapping device - Google Patents
Airborne miniature laser radar three-dimensional mapping device Download PDFInfo
- Publication number
- CN113447909A CN113447909A CN202110705397.4A CN202110705397A CN113447909A CN 113447909 A CN113447909 A CN 113447909A CN 202110705397 A CN202110705397 A CN 202110705397A CN 113447909 A CN113447909 A CN 113447909A
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- CN
- China
- Prior art keywords
- dust removal
- side wall
- dust
- fixedly connected
- outer side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013507 mapping Methods 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- 238000005516 engineering process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a machine-mounted micro laser radar three-dimensional mapping device which comprises a fixing box, wherein a laser scanner is arranged right in front of the fixing box, a fixing plate is fixedly connected to the inner side wall of the fixing box, and a rotating shaft is rotatably connected to the outer side wall of the fixing plate. According to the invention, through the matched use of the fixed box, the air inlet, the transmission fan, the fixed plate, the dust removal shaft, the incomplete gear, the placing plate and the dust removal rod, when the laser scanner works outside, external wind force can blow the transmission fan through the air inlet, so that the transmission fan rotates to drive the incomplete gear to rotate, the dust removal rod can move left and right under the matching of the dust removal spring and the incomplete gear, and further dust on the outer side wall of the laser scanner is removed through the dust removal cotton pad, so that the normal work of the laser scanner is ensured, and the transmission fan is arranged in the fixed box, so that the transmission fan can be prevented from being damaged, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the technical field of remote sensing surveying and mapping, in particular to an airborne miniature laser radar three-dimensional surveying and mapping device.
Background
A laser radar (LiDAR) system is an active measuring system which integrates a laser ranging technology, a global satellite positioning technology, an inertial navigation technology, a high-resolution digital image technology and a computer technology and quickly acquires three-dimensional information of a terrain and ground object. In the last two decades, the airborne LiDAR technology has been generally accepted in the world as a way of accurately and quickly acquiring three-dimensional information of the earth surface, and has wide application requirements and wide development prospects in various fields such as topographic survey, environmental monitoring, emergency surveying and mapping, highway/railway/electric power/water conservancy survey design, smart city construction and the like.
However, the working scene of the laser scanner is outside, external dust is easily attached to the laser scanner, the heat dissipation of the laser scanner is affected, the damage of the laser scanner is possibly caused, and therefore the airborne micro laser radar three-dimensional mapping device is provided.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an airborne micro laser radar three-dimensional mapping device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a machine carries three-dimensional mapping device of miniature laser radar, includes fixed box, the department is equipped with laser scanner in the dead ahead of fixed box, fixed box inside wall fixedly connected with fixed plate, the fixed plate lateral wall rotates and is connected with the rotation axis, the one end fixedly connected with transmission fan of fixed plate is kept away from to the rotation axis, fixed box lateral wall is equipped with a plurality of air intakes with transmission fan correspondence department, the rotation axis is connected with the dust removal axle through slewing mechanism, the dust removal axle is connected with the dust removal pole through dust removal mechanism, the cotton pad of dust removal pole lateral wall fixedly connected with dust removal, fixed box bottom corresponds the department with the dust removal pole and is equipped with the play dirt mouth of the fixed box of a plurality of dust roll-outs of being convenient for.
Preferably, the rotating mechanism comprises a first bevel gear fixedly connected to the outer side wall of the rotating shaft, and the dust removing shaft is rotatably connected to the inner side wall of the fixed box.
Preferably, the dust removal mechanism comprises an incomplete gear fixedly connected to the outer side wall of the dust removal shaft, the inner side wall of the fixed box is fixedly connected with a placing plate, a sliding port is formed in the placing plate, and the outer side wall of the dust removal rod is connected with the inner side wall of the sliding port in a sliding mode.
Preferably, fixedly connected with board that resets is gone up to the dust removal pole, the dust removal pole lateral wall cover is equipped with the dust removal spring, dust removal spring both ends respectively with the board lateral wall that resets and place the lateral wall fixed connection of board, be equipped with on the dust removal pole with the corresponding promotion tooth of incomplete gear, incomplete gear can mesh with the promotion tooth mutually.
Preferably, the outer side wall of the dust removing shaft is fixedly connected with a second bevel gear corresponding to the first bevel gear, and the first bevel gear is in meshed connection with the second bevel gear.
Preferably, the dust removal cotton pad is externally provided with fluff which can contact with the rear part of the laser scanner and can deform.
Compared with the prior art, the invention has the following advantages:
through fixed box, the air intake, transmission fan, the fixed plate, the dust removal axle, incomplete gear, place the board, the cooperation of dust removal pole is used, when laser scanner is at external during operation, external wind-force can blow transmission fan through the air intake, make transmission fan take place to rotate and then drive incomplete gear revolve, can make dust removal pole remove about under the cooperation of dust removal spring and incomplete gear, and then clear away the dust on the laser scanner lateral wall through the cotton pad that removes dust, thereby guarantee laser scanner's normal work, and transmission fan sets up in fixed box, can prevent that transmission fan from receiving the damage, thereby the practicality of device has been improved.
Drawings
FIG. 1 is a schematic structural diagram of an airborne micro laser radar three-dimensional mapping device according to the present invention;
FIG. 2 is a cross-sectional view of an onboard micro laser radar three-dimensional mapping device according to the present invention;
fig. 3 is a schematic view of the internal structure of the fixing box according to the present invention.
In the figure: 1. a fixing box; 2. an air inlet; 3. a transmission fan; 4. a laser scanner; 5. a fixing plate; 6. a rotating shaft; 7. a dust removal shaft; 8. an incomplete gear; 9. placing the plate; 10. a dust removal rod; 11. a dust removal cotton pad; 12. and a dust outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a machine-mounted micro laser radar three-dimensional mapping device comprises a fixed box 1, a laser scanner 4 is arranged right in front of the fixed box 1, a fixed plate 5 is fixedly connected to the inner side wall of the fixed box 1, a rotating shaft 6 is rotatably connected to the outer side wall of the fixed plate 5, a transmission fan 3 is fixedly connected to one end of the rotating shaft 6 far away from the fixed plate 5, the transmission fan 3 is driven to rotate by natural wind, the rotating shaft 6 is driven to rotate when the transmission fan 3 rotates, a dust removing shaft 7 is driven to rotate by the cooperation of a first bevel gear and a second bevel gear when the rotating shaft 6 rotates, an incomplete gear 8 is driven to rotate when the dust removing shaft 7 rotates, a plurality of air inlets 2 are arranged on the side wall of the fixed box 1 and corresponding to the transmission fan 3, the rotating shaft 6 is connected with the dust removing shaft 7 by a rotating mechanism, the rotating mechanism comprises the first bevel gear fixedly connected to the outer side wall of the rotating shaft 6, the dust removal shaft 7 is rotatably connected to the inner side wall of the fixing box 1, the outer side wall of the dust removal shaft 7 is fixedly connected with a second bevel gear corresponding to the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the rotating shaft 6 can drive the dust removal shaft 7 to rotate through a rotating mechanism;
the dust removal shaft 7 is connected with a dust removal rod 10 through a dust removal mechanism, the dust removal mechanism comprises an incomplete gear 8 fixedly connected with the outer side wall of the dust removal shaft 7, the inner side wall of the fixing box 1 is fixedly connected with a placing plate 9, a sliding port is formed in the placing plate 9, the outer side wall of the dust removal rod 10 is in sliding connection with the inner side wall of the sliding port, a reset plate is fixedly connected with the dust removal rod 10, a dust removal spring is sleeved on the outer side wall of the dust removal rod 10, two ends of the dust removal spring are respectively and fixedly connected with the outer side wall of the reset plate and the outer side wall of the placing plate 9, a pushing tooth corresponding to the incomplete gear 8 is arranged on the dust removal rod 10, the incomplete gear 8 can be meshed with the pushing tooth, the dust removal rod 10 is driven to move rightwards when the incomplete gear 8 is meshed with the pushing tooth, then the outer side wall of the laser scanner 4 is scraped through a dust removal cotton pad 11, when the incomplete gear 8 is separated from the pushing tooth, the dust removal rod 10 moves leftwards under the effect of the dust removal spring, therefore, repeatedly, dust on the outer side wall of the laser scanner 4 can be scraped, and the scraped dust flows out of the fixed box 1 through the dust outlet 12;
the cotton pad 11 that removes dust of 10 lateral walls fixedly connected with of dust removal pole, the cotton pad 11 that removes dust is equipped with the fine hair that can contact and can take place deformation with the 4 rear sides of laser scanner outward, can guarantee like this that the cotton pad 11 that removes dust can contact with 4 lateral walls of laser scanner all the time to scrape the dust of its lateral wall and get, fixed box 1 bottom is equipped with a plurality of dust outlet 12 of the fixed box 1 of dust roll-off of being convenient for with the corresponding department of dust removal pole 10.
The specific working principle of the invention is as follows:
firstly, when the laser scanner 4 works in the outside, because the laser scanner 4 can radiate heat when working, at this time, dust can be more easily adsorbed on the outer side wall of the laser scanner 4, at this time, external natural wind can enter the fixed box 1 through the air inlet 2, so that the transmission fan 3 rotates, the transmission fan 3 drives the rotation shaft 6 to rotate, the rotation shaft 6 drives the dust removing shaft 7 to rotate through the cooperation of the first bevel gear and the second bevel gear when rotating, the dust removing shaft 7 drives the incomplete gear 8 to rotate when rotating, the dust removing rod 10 is driven to move rightwards when the incomplete gear 8 is meshed with the pushing gear, then the outer side wall of the laser scanner 4 is scraped through the dust removing cotton pad 11, when the incomplete gear 8 is separated from the pushing gear, the dust removing rod 10 moves leftwards under the action of the dust removing spring, therefore, dust on the outer side wall of the laser scanner 4 can be scraped repeatedly, the scraped dust will flow out of the fixing box 1 through the dust outlet 12, and in this embodiment, the laser scanner 4 and the driving fan 3 are both prior art and will not be described in detail herein.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a machine carries three-dimensional mapping device of miniature laser radar, includes fixed box, its characterized in that, fixed box dead ahead department is equipped with laser scanner, fixed box inside wall fixedly connected with fixed plate, the fixed plate lateral wall rotates and is connected with the rotation axis, the one end fixedly connected with transmission fan of fixed plate is kept away from to the rotation axis, fixed box lateral wall is equipped with a plurality of air intakes with transmission fan correspondence department, the rotation axis is connected with the dust removal axle through slewing mechanism, the dust removal axle is connected with the dust removal pole through dust removal mechanism, the cotton pad of dust removal pole lateral wall fixedly connected with dust removal, fixed box bottom is equipped with the dust outlet of a plurality of dust roll-off fixed boxes of being convenient for with dust removal pole correspondence department.
2. The airborne micro lidar three-dimensional mapping apparatus of claim 1, wherein the rotating mechanism comprises a first bevel gear fixedly connected to an outer side wall of a rotating shaft, and the dust removing shaft is rotatably connected to an inner side wall of a fixed box.
3. The airborne micro laser radar three-dimensional surveying and mapping device according to claim 1, wherein the dust removing mechanism includes an incomplete gear fixedly connected to an outer side wall of the dust removing shaft, a placing plate is fixedly connected to an inner side wall of the fixing box, a sliding opening is formed in the placing plate, and an outer side wall of the dust removing rod is slidably connected to an inner side wall of the sliding opening.
4. The airborne miniature laser radar three-dimensional surveying and mapping device according to claim 3, wherein a reset plate is fixedly connected to the dust removal rod, a dust removal spring is sleeved on an outer side wall of the dust removal rod, two ends of the dust removal spring are respectively fixedly connected with an outer side wall of the reset plate and an outer side wall of the placing plate, pushing teeth corresponding to the incomplete gear are arranged on the dust removal rod, and the incomplete gear can be meshed with the pushing teeth.
5. The airborne miniature laser radar three-dimensional surveying and mapping device according to claim 2, wherein a second bevel gear corresponding to the first bevel gear is fixedly connected to the outer side wall of the dust removing shaft, and the first bevel gear is in meshed connection with the second bevel gear.
6. The airborne micro laser radar three-dimensional surveying and mapping device according to claim 1, wherein the dust removal cotton pad is externally provided with fluff which can contact with the rear of the laser scanner and can be deformed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110705397.4A CN113447909A (en) | 2021-06-24 | 2021-06-24 | Airborne miniature laser radar three-dimensional mapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110705397.4A CN113447909A (en) | 2021-06-24 | 2021-06-24 | Airborne miniature laser radar three-dimensional mapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113447909A true CN113447909A (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110705397.4A Pending CN113447909A (en) | 2021-06-24 | 2021-06-24 | Airborne miniature laser radar three-dimensional mapping device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113447909A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442118A (en) * | 2022-01-12 | 2022-05-06 | 上海麟科电子科技有限责任公司 | Marine radar keeps away barrier device |
| CN115106828A (en) * | 2022-07-18 | 2022-09-27 | 中国计量大学 | Intelligent recutting numerically controlled lathe and using method thereof |
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2021
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| US20120023688A1 (en) * | 2010-07-31 | 2012-02-02 | Cheng Uei Precision Industry Co., Ltd. | Static eliminator with dust removal feature |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442118A (en) * | 2022-01-12 | 2022-05-06 | 上海麟科电子科技有限责任公司 | Marine radar keeps away barrier device |
| CN114442118B (en) * | 2022-01-12 | 2024-05-14 | 上海麟科电子科技有限责任公司 | Barrier device is kept away to marine radar |
| CN115106828A (en) * | 2022-07-18 | 2022-09-27 | 中国计量大学 | Intelligent recutting numerically controlled lathe and using method thereof |
| CN115106828B (en) * | 2022-07-18 | 2023-08-22 | 中国计量大学 | Intelligent re-cutting numerical control lathe and use method thereof |
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Application publication date: 20210928 |