CN217981828U - Scanning device for laser radar - Google Patents

Scanning device for laser radar Download PDF

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Publication number
CN217981828U
CN217981828U CN202221780636.9U CN202221780636U CN217981828U CN 217981828 U CN217981828 U CN 217981828U CN 202221780636 U CN202221780636 U CN 202221780636U CN 217981828 U CN217981828 U CN 217981828U
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laser radar
mounting disc
scanning device
main part
drive base
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CN202221780636.9U
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Chinese (zh)
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王伟
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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Abstract

The utility model discloses a scanning device for laser radar belongs to laser radar technical field, including the drive base, install actuating mechanism in the drive base, the up end of drive base is worn out to actuating mechanism's output shaft, and be fixed with and be used for the pivoted mounting disc, the up end middle part of mounting disc is fixed with the fixed cover that is used for installing the laser radar main part, the jet-propelled dust removal hole of laser emission end towards the laser radar main part is seted up at the up end edge of mounting disc, two gyro wheels are installed about dust removal pore pair to the lower terminal surface of mounting disc, and install a plurality of confession gyro wheel extruded gasbags in the drive base, a plurality of gasbags are the annular along the rotation orbit of mounting disc and arrange, the up end of gasbag is offered and is used for towards the jet-propelled air nozzle of dust removal hole. This a scanning device for laser radar can avoid the dust in the air to pile up and influence its normal scanning work at the laser emission end of laser radar main part, does benefit to the scanning precision of guaranteeing the laser radar main part.

Description

Scanning device for laser radar
Technical Field
The utility model belongs to the technical field of laser radar, especially, relate to a scanning device for laser radar.
Background
The laser radar is a common distance measuring sensor and has the characteristics of long detection distance, high resolution, small environmental interference and the like. When the laser radar works, a detection signal (laser beam) is firstly transmitted to a target, then a received signal (target echo) reflected from the target is compared with the transmitted signal, and after appropriate processing, relevant information of the target, such as target distance, direction, height, speed, attitude, even shape and other parameters, can be obtained, so that the targets such as automobiles, pedestrians and the like are detected, tracked and identified.
However, when the lidar is used, the scanning range of the lidar itself is limited, and in order to ensure the scanning range of the lidar, the lidar is installed on a scanning device to be used, and the scanning device drives the lidar body to rotate, so that the purpose of increasing the scanning range is achieved. The conventional scanning device generally comprises a base and a driving mechanism, and dust in air is difficult to avoid when the driving mechanism drives the laser radar to scan, so that the dust in the air can be possibly accumulated at a transmitting port of a laser beam, and the normal scanning of the laser radar is influenced.
To this end, we propose a scanning device for lidar that solves the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art, current scanning device drives lidar and rotates the in-process of scanning, is difficult to avoid the dust in the air in driving lidar, leads to probably influencing the problem of lidar normal scanning work, and the scanning device who is used for lidar who provides.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a scanning device for laser radar, includes the drive base, install actuating mechanism in the drive base, actuating mechanism's output shaft is worn out the up end of drive base to be fixed with and be used for the pivoted mounting disc, the up end middle part of mounting disc is fixed with the fixed cover that is used for installing the laser radar main part, the up end edge of mounting disc has seted up the court the jet-propelled dust removal hole of laser emission end of laser radar main part, the lower terminal surface of mounting disc about two gyro wheels are symmetrically installed to the dust removal hole, just install a plurality of confessions in the drive base gyro wheel extruded gasbag, a plurality of gasbags are followed the rotation orbit of mounting disc is the annular and arranges, the up end of gasbag is seted up and is used for the orientation the jet-propelled air nozzle in dust removal hole.
Through above-mentioned technical scheme, can drive the laser radar main part through the mounting disc and rotate the in-process that scans, utilize the gyro wheel to come the gasbag to spray the laser emission end of laser radar main part, can avoid the dust in the air to pile up at the laser emission end of laser radar main part and influence its normal scanning work, do benefit to the scanning precision of guaranteeing the laser radar main part.
As a further preferred scheme, the driving mechanism in the driving base is a stepping motor, a control panel is installed on the side surface of the driving base, and the control panel is electrically connected with the stepping motor through a wire and a controller.
Through above-mentioned technical scheme, the actuating mechanism in the accessible drive base drives the mounting disc and rotates.
As a further preferable scheme, the control panel comprises an LED display and a control button.
Through above-mentioned technical scheme, usable control panel carries out the turned angle of control mounting disc.
As a further preferred scheme, a plurality of air supply holes are formed in the edge of the upper end face of the mounting plate, the air supply holes are distributed in an annular shape and correspond to the air nozzles of the air bags one to one, and filter screens are laid in the air supply holes.
Through the technical scheme, air can enter the driving base and is filled into the air bag.
As a further preferred scheme, two fixing rods are symmetrically fixed on two sides of the lower port of the dust removal hole, and the roller is rotatably mounted at the lower ends of the fixing rods.
Through above-mentioned technical scheme, can install the gyro wheel in the lower port both sides in dust removal hole.
As a further preferable scheme, a positioning groove is formed in the middle of the upper end face of the mounting plate, the positioning groove is used for placing the bottom of the laser radar main body, the fixing cover covers and fixes the laser radar main body, and a projection port for exposing the laser emitting end of the laser radar main body is formed in the side face of the fixing cover.
Through above-mentioned technical scheme, usable fixed cover comes to fix a position the laser radar main part.
As a further preferred scheme, the top of the fixed cover is provided with an opening, a top cover is installed on the top of the fixed cover in a threaded mode, a plurality of abutting columns are fixed to the inner top of the top cover, and the abutting columns abut against the edge of the top of the laser radar main body.
Through above-mentioned technical scheme, usable top cap and fixed cover cooperation will fix the laser radar main part.
To sum up, the utility model discloses a technological effect and advantage: this a scanning device for laser radar benefits from the mounting disc, the dust removal hole, the cooperation of gyro wheel and gasbag, the mounting disc is rotating and drive the laser radar main part and rotate the in-process of scanning, can drive the gyro wheel and extrude the gasbag of corresponding position, thereby make the air in the gasbag pass through the air nozzle blowout, and spout towards the laser emission end of laser radar main part via the dust removal hole, can avoid the dust in the air to pile up at the laser emission end of laser radar main part and influence its normal scanning work, do benefit to the scanning precision who guarantees the laser radar main part;
and benefit from the cooperation of constant head tank, fixed cover, top cap and butt post, usable fixed cover covers the laser radar main part to fix the laser radar main part through revolving the top cap soon, easy dismounting does benefit to the later maintenance.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the mounting plate of the present invention engaged with an air bag;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;
fig. 4 is a schematic view of the internal structure of the fixing cover of the present invention.
In the figure: 1. a drive base; 2. a control panel; 3. mounting a disc; 301. positioning a groove; 4. a fixed cover; 401. a projection port; 5. a top cover; 501. a butting post; 6. a laser radar main body; 7. an air bag; 701. an air nozzle; 8. a dust removal hole; 9. a fixing rod; 10. a roller; 11. and (5) air supply.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, fig. 2 and fig. 3, a scanning device for laser radar, including drive base 1, install actuating mechanism in the drive base 1, actuating mechanism can choose but not limited to step motor for use, step motor's output shaft wears out the up end of drive base 1, and be fixed with mounting disc 3, thereby can order about mounting disc 3 to rotate at the up end of drive base 1, and drive base 1 side-mounting has control panel 2, control panel 2 includes LED display and control button, during the concrete implementation, control panel 2 passes through the wire with step motor, the controller carries out electric connection, specifically can adopt the prior art means in this field to realize, here no longer does too much the repeated description.
And the up end middle part of mounting disc 3 is used for fixed laser radar main part 6, and the up end edge of mounting disc 3 sets up the jet-propelled dust removal hole 8 of laser emission end towards laser radar main part 6, and the lower port bilateral symmetry in dust removal hole 8 is fixed with two dead levers 9, about the 8 symmetries in dust removal hole of two dead levers 9, the lower extreme of two dead levers 9 all rotates there is vertical gyro wheel 10 for when mounting disc 3 rotates, can drive two gyro wheels 10 and follow mounting disc 3 and roll.
Simultaneously, install a plurality of supplies 10 extruded gasbags 7 of gyro wheel in the drive base 1, a plurality of gasbags 7 are the annular along the rotation orbit of mounting disc 3 and arrange, and the up end of gasbag 7 offers and is used for the jet-propelled air nozzle 701 of dust removal hole 8, therefore, when mounting disc 3 rotates, gyro wheel 10 can make air nozzle 701 jet-propelled 8 towards dust removal hole through extrusion gasbag 7, thereby it clears up the laser emission end of laser radar main part 6 to come through dust removal hole 8, in order to avoid the dust accumulation to influence the normal use of laser radar main part 6 on laser radar main part 6, precision when being favorable to guaranteeing laser radar main part 6 scanning promptly.
And gasbag 7 adopts materials such as rubber to make, can be when not atress automatic re-setting, and the up end edge of mounting disc 3 has seted up a plurality of benefit gas pockets 11, and a plurality of benefit gas pockets 11 are the annular and distribute to with the air nozzle 701 one-to-one of a plurality of gasbags 7, make the air can be through in the benefit gas pocket 11 gets into drive base 1, and store in gasbag 7, during the concrete implementation, the filter screen has been laid to the inside of benefit gas pocket 11, and the filter screen can avoid getting into the dust in the drive base 1 as far as possible.
Referring to fig. 1 and 4, locating slot 301 has been seted up at the up end middle part of mounting disc 3, and locating slot 301 supplies the bottom of laser radar main part 6 to put into, and the up end middle part of mounting disc 3 is fixed with fixed cover 4, and fixed cover 4 covers laser radar main part 6, and the side of fixed cover 4 is seted up the projection mouth 401 that supplies laser emission end of laser radar main part 6 to expose.
Simultaneously, the top of fixed cover 4 is equipped with the opening to the top cap 5 is installed to the screw thread, and top cap 5 internal top is fixed with a plurality of butt post 501, and butt post 501 butt is marginal in the top of laser radar main part 6, thereby with laser radar main part 6 demountable installation on mounting disc 3, it is convenient to dismantle, does benefit to later maintenance.
The working principle is as follows: this a scanning device for laser radar, during the use, the actuating mechanism in accessible drive base 1 orders about mounting disc 3 and rotates, and mounting disc 3 rotates then can drive laser radar main part 6 and rotate to make laser radar main part 6 can rotate the scanning. And follow mounting disc 3 at laser radar main part 6 and rotate the in-process of scanning, dead lever 9 of mounting disc 3 below can drive gyro wheel 10 and extrude in proper order along being a plurality of gasbags 7 that the annular was arranged, gasbag 7 through the extrusion corresponding position, can make the air in it pass through air nozzle 701 blowout, and make the air spout towards laser emission end of laser radar main part 6 through dust removal hole 8, thereby can avoid the dust in the air to pile up at laser emission end of laser radar main part 6 and influence its normal scanning work, do benefit to the scanning precision of guaranteeing laser radar main part 6.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a scanning device for laser radar, includes drive base (1), its characterized in that, install actuating mechanism in drive base (1), actuating mechanism's output shaft is worn out the up end of drive base (1) to be fixed with and be used for pivoted mounting disc (3), the up end middle part of mounting disc (3) is fixed with fixed cover (4) that are used for installing laser radar main part (6), the up end edge of mounting disc (3) is seted up towards the jet-propelled dust removal hole (8) of laser emission end of laser radar main part (6), the lower terminal surface of mounting disc (3) about two gyro wheels (10) are installed to dust removal hole (8) symmetry, just install a plurality of confessions in drive base (1) gyro wheel (10) extruded gasbag (7), a plurality of gasbag (7) are followed the rotation orbit of mounting disc (3) is the annular and arranges, the up end face of gasbag (7) is seted up and is used for towards jet-propelled air nozzle (701) of dust removal hole (8).
2. The scanning device for the lidar according to claim 1, wherein the driving mechanism in the driving base (1) is a stepping motor, and a control panel (2) is installed on a side surface of the driving base (1), and the control panel (2) is electrically connected with the stepping motor through a wire and a controller.
3. A scanning device for lidar according to claim 2, wherein said control panel (2) comprises an LED display and control buttons.
4. The scanning device for the lidar according to claim 1, wherein a plurality of air supply holes (11) are formed in the edge of the upper end surface of the mounting plate (3), the plurality of air supply holes (11) are distributed in a ring shape and correspond to the plurality of air nozzles (701) of the air bags (7) one by one, and a filter screen is laid inside the air supply holes (11).
5. The scanning device for lidar according to claim 1, wherein two fixing rods (9) are symmetrically fixed at both sides of the lower port of the dust removing hole (8), and the roller (10) is rotatably mounted at the lower ends of the fixing rods (9).
6. The scanning device for the lidar according to claim 1, wherein a positioning groove (301) is formed in a middle portion of an upper end surface of the mounting plate (3), the positioning groove (301) is used for accommodating a bottom of the lidar main body (6), the fixing cover (4) covers and fixes the lidar main body (6), and a projection opening (401) for exposing a laser emitting end of the lidar main body (6) is formed in a side surface of the fixing cover (4).
7. A scanning device for lidar according to claim 6, wherein the top of the fixed cover (4) is provided with an opening and is screw-mounted with a top cover (5), a plurality of abutment columns (501) are fixed on the inner top of the top cover (5), and the abutment columns (501) abut against the top edge of the lidar body (6).
CN202221780636.9U 2022-07-11 2022-07-11 Scanning device for laser radar Active CN217981828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221780636.9U CN217981828U (en) 2022-07-11 2022-07-11 Scanning device for laser radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221780636.9U CN217981828U (en) 2022-07-11 2022-07-11 Scanning device for laser radar

Publications (1)

Publication Number Publication Date
CN217981828U true CN217981828U (en) 2022-12-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116381647A (en) * 2023-06-06 2023-07-04 长春汽车工业高等专科学校 Adjustable laser radar with multi-pixel scanning function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116381647A (en) * 2023-06-06 2023-07-04 长春汽车工业高等专科学校 Adjustable laser radar with multi-pixel scanning function

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