CN212301862U - Automatic rotation type scans laser radar repeatedly - Google Patents
Automatic rotation type scans laser radar repeatedly Download PDFInfo
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- CN212301862U CN212301862U CN201922132590.4U CN201922132590U CN212301862U CN 212301862 U CN212301862 U CN 212301862U CN 201922132590 U CN201922132590 U CN 201922132590U CN 212301862 U CN212301862 U CN 212301862U
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Abstract
The utility model provides an automatic rotation type scans laser radar repeatedly, include: the device comprises a bracket fixing seat unit, a laser electric control unit, a motor module unit and a motor control unit; the laser ranging device is characterized in that a limit switch is arranged on the motor body, a light blocking sheet is arranged on the laser, the laser rotates repeatedly in clockwise and anticlockwise directions by 0-180 degrees, the motor module unit is connected with the motor control unit and the laser unit, the laser is fixed through an adapter plate and is fastened and connected through screws, a scanning origin of the laser is located on the rotating center of the axis of a motor shaft of the motor module and used for reducing accumulated errors of scanning points and increasing the range of a scanning area, and the gravity of the laser is located on the rotating center of the axis of the motor shaft of the motor module and used for reducing motor torque, and the laser rotates unstably in clockwise and anticlockwise directions and shakes and the like, so that the ranging accuracy of the laser is. The utility model provides an automatic rotation type scans laser radar repeatedly is a laser radar that range finding precision is high.
Description
Technical Field
The embodiment of the utility model provides a relate to laser radar technical field, especially relate to an automatic rotation type scans laser radar repeatedly.
Background
The laser radar is a radar system that detects characteristic quantities such as a distance and an azimuth of a target by emitting a laser beam. The working principle is that laser beams are emitted to a target to emit signals, received echo signals reflected from the target are compared with the emitted signals, and relevant information of the target, such as distance information with the target, contour information of the target, azimuth information of the target and the like, can be obtained after appropriate processing.
With the development of the industry, particularly in the fields of robots and automobiles, higher requirements are put forward on the volume, the measurement precision and the like of the laser radar.
Among the current laser radar, because the laser instrument scanning initial point is not on motor module motor shaft axis rotation center, there is the scanning blind area, and laser radar is unstable, rocks phenomenon such as.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic rotation type scans laser radar repeatedly, include: a bracket fixing seat unit; a laser unit; a laser electronic control unit; a motor module unit; a motor control unit; the laser radar rotates clockwise and anticlockwise repeatedly by 0-180 degrees and is a laser radar with high ranging precision.
The laser unit is arranged on the motor module unit and the bracket fixing seat unit and is used for repeatedly rotating clockwise and anticlockwise at an angle of 0-180 degrees along the vertical direction of the axis of the motor shaft;
the motor module unit is connected with the motor control unit and the laser unit, the laser unit comprises the laser and the adapter plate, and the laser is fixed through the adapter plate and is fastened and connected through screws.
Preferably, the laser unit is installed on the motor module unit and used for repeatedly rotating in the clockwise and anticlockwise directions of 0-180 degrees along the vertical direction of the axis of the motor shaft, the motor module unit is fixed on the support fixing seat unit, the motor body is provided with the limit switch, the laser is provided with the light blocking sheet, the laser is used for repeatedly rotating in the clockwise and anticlockwise directions of 0-180 degrees, and the limit switch is used for controlling the position.
Preferably, the scanning origin of the laser is located on the rotation center of the motor shaft axis of the motor module, and is used for reducing the accumulated error of the scanning points and increasing the range of a scanning area.
The beneficial effects of the utility model are that laser instrument scanning original point is located motor module motor shaft axis rotation center, reduces the scanning blind area, has solved laser radar rotation and has not steadily rocked phenomenons such as.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive exercise.
Fig. 1 is a schematic structural view of an automatic rotary type repeated scanning laser radar of the present invention;
fig. 2 is a schematic structural diagram of a connection relationship between a fixing unit and a motor module unit in a first embodiment of an automatic rotary type repetitive scanning laser radar of the present invention;
fig. 3 is a schematic structural diagram of a connection relationship between a laser unit and a motor module unit in a first embodiment of an automatic rotary type repetitive scanning laser radar of the present invention;
fig. 4 is a schematic structural diagram of a connection relationship between a motor module unit and a motor control unit in a first embodiment of an automatic rotary type repetitive scanning laser radar of the present invention;
fig. 5 is a schematic structural diagram of a connection relationship between a laser unit and a laser electronic control unit in a first embodiment of an automatic rotary type repetitive scanning laser radar of the present invention;
reference numerals:
1-bracket fixing seat unit 2-laser unit 3-laser electric control unit 4-motor module unit 5-motor control unit
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a first embodiment of an automatic rotary type iterative scanning lidar according to the present invention; as shown in fig. 1, the automatic rotation type laser radar for repeated scanning provided by this embodiment includes a bracket fixing base unit 1, a laser unit 2, a laser electronic control unit 3, a motor module unit 4, and a motor control unit 5.
In this embodiment, the laser unit 2, the motor module unit 4 and the bracket fixing base unit 1 are connected.
Specifically, the laser unit 2 is used for emitting a laser beam to a target to emit a signal, and then comparing a received echo signal reflected from the target with the emitted signal, and after appropriate processing, obtaining information about the target, such as target distance information, target contour information, target orientation information, and the like.
FIG. 2 is a schematic diagram of a motor module unit, a bracket fixing base unit and a motor control unit according to a first embodiment of the automatic rotary scanning repetitive lidar of the present invention;
wherein, support fixing base unit 1 with motor module unit 4 is connected.
FIG. 3 is a schematic diagram illustrating a laser unit, a motor module unit and a motor control unit according to a first embodiment of the present invention;
wherein, laser unit 2 with the motor module unit is connected.
FIG. 4 is a schematic diagram illustrating a connection relationship between a motor module unit and a motor control unit according to a first embodiment of the automatic rotary type iterative scanning lidar of the present application;
in this embodiment, the motor module unit 4 is connected to the motor control unit 5.
Specifically, the motor control unit 5 performs control of the rotational speed by the pulse frequency, delivering a constant rotational speed.
FIG. 5 is a schematic diagram illustrating a connection relationship between a laser unit and a laser electronic control unit according to a first embodiment of the automatic rotary type iterative scanning lidar of the present application;
wherein, the laser unit 2 is connected with the laser electric control unit 3.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present application, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. An automatic rotation type rescan lidar comprising:
the device comprises a bracket fixing seat unit, a laser electric control unit, a motor module unit and a motor control unit;
the laser unit is arranged on the motor module unit and the bracket fixing seat unit and is used for repeatedly rotating clockwise and anticlockwise at an angle of 0-180 degrees along the vertical direction of the axis of the motor shaft; the motor module unit is connected with the motor control unit and the laser unit, the laser unit comprises the laser and the adapter plate, and the laser is fixed through the adapter plate and is fastened and connected through screws.
2. The autonomous rotary repetitively-scan lidar of claim 1, wherein: the laser unit is installed on the motor module unit and used for repeatedly rotating in the clockwise and anticlockwise directions of 0-180 degrees along the vertical direction of the axis of the motor shaft, the motor module unit is fixed on the support fixing seat unit, the motor body is provided with the limit switch, the laser is provided with the light blocking sheet, the laser is used for repeatedly rotating in the clockwise and anticlockwise directions of 0-180 degrees, and the limit switch is used for controlling the position.
3. The autonomous rotary repetitively-scan lidar of claim 1, wherein:
the scanning origin of the laser is located on the axis rotation center of the motor shaft of the motor module and used for reducing the accumulated error of scanning points and increasing the range of a scanning area, and the gravity center of the laser is located on the axis rotation center of the motor shaft of the motor module and used for reducing the instability caused by the rotation of the laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132590.4U CN212301862U (en) | 2019-12-03 | 2019-12-03 | Automatic rotation type scans laser radar repeatedly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132590.4U CN212301862U (en) | 2019-12-03 | 2019-12-03 | Automatic rotation type scans laser radar repeatedly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212301862U true CN212301862U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922132590.4U Active CN212301862U (en) | 2019-12-03 | 2019-12-03 | Automatic rotation type scans laser radar repeatedly |
Country Status (1)
| Country | Link |
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| CN (1) | CN212301862U (en) |
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2019
- 2019-12-03 CN CN201922132590.4U patent/CN212301862U/en active Active
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