Abstract: Disclosed are a rotating device of a polygonal mirror, and a lidar, the rotating device includes a bearing support, a motor, and the polygonal mirror, the bearing support includes a first bearing support and a second bearing support; the motor is connected to a surface of the first bearing support facing toward the second bearing support, an end surface of the motor facing away from the first bearing support is provided with a motor rotor; the polygonal mirror includes a first end surface and a second end surface opposite to the first end surface, the first end surface is connected to the motor rotor through a plurality of connecting elements; a bearing is disposed between the first bearing support and the second bearing support, the motor rotor and the polygonal mirror are respectively sleeved on the bearing; the motor drives the motor rotor to rotate.

Abstract: A thermal conduction device for a LiDAR includes an opto-mechanical bracket in contact with a heat dissipation component; a thermal conduction bracket spaced apart from the opto-mechanical bracket and in contact with the heat dissipation component; a plurality of circuit boards disposed at intervals and in parallel between the opto-mechanical bracket and the thermal conduction bracket, to accommodate a plurality of lasers, the plurality of lasers being arranged in a straight line at intervals along a placement direction of the circuit board; and a graphite sheet including a contact portion laid on a side of the circuit board away from the lasers; a first extension portion extending from the contact portion in a first direction to make contact with the opto-mechanical bracket; and a second extension portion extending from the contact portion in a second direction to make contact with the thermal conduction bracket. The disclosure further provides a LiDAR.

Abstract: A cooling structure of a LiDAR, a LiDAR, and a vehicle are provided. The cooling structure includes an upper compartment, a lower compartment, a driving device, and an impeller, the upper compartment, configured to mount an optical machine, is provided with an air duct, an air inlet and an air outlet; the air inlet is located at a bottom portion of the upper compartment, the air outlet is located at a top portion of the upper compartment; the lower compartment, connected to the upper compartment, is configured to support the upper compartment, the lower compartment supplies power to the upper compartment, and transmits signals; the driving device, connected between the upper compartment and the lower compartment, is configured to drive the upper compartment to rotate relative to the lower compartment; the impeller, connected to the driving device, creates airflow through the air inlet, and expels that through the air outlet.

Abstract: A LiDAR and a vehicle are provided. The LiDAR includes a stator and a rotor. The stator, includes a stator bottom shell, and a stator sidewall, the stator bottom shell defining with a liquid cooling pipeline surrounding around the stator sidewall and passing through the stator sidewall to connect to an external cooling device. The rotor is fixed to the stator, including a first circuit board, a rotor bottom shell, and a rotor sidewall. The first circuit board is fixed to the rotor bottom shell. A plurality of first components are arranged at the first circuit board. Each of the plurality of first components is provided with a first heat-conducting layer directly contacting the rotor bottom shell. The rotor bottom shell is provided with a first labyrinth component. The stator bottom shell is provided with a second labyrinth component cooperating with the first one to form a labyrinth structure.

Abstract: A calibration method for LiDAR channel angular error is applied to a calibration device with a controller and a moving component. The LiDAR optical engine on the moving component is controlled by the controller to deflect. The method includes: aligning the LiDAR's detection center with the calibration-target center; selecting channels to be calibrated; controlling the selected channels to project onto the target based on their positional relationship; acquiring an image of the target to get real and reference spots; determining vertical and horizontal offset angles according to the spot positions; and calibrating the channels using these offset angles.

Abstract: The disclosure provides a LiDAR device, including: a transceiver, configured to emit primary beams, and detect echo beams formed by the primary beams' reflection from objects; a rotating component with a window, enabling the transceiver to emit the primary beams outward and receive echo beams through the window; a driver, rotatably coupled to the rotating component; wherein when the transceiver terminates operation, the driver actuates the rotating component to a predetermined position, so as to enable a protective device to shield the window. The disclosure further provides a vehicle.

Abstract: A LiDAR system is provided for providing target data to external devices. The LiDAR system includes a LiDAR device, a data processing device, and a power assembly. The LiDAR device includes a first LiDAR component that generates a first sensing signal, and a second LiDAR component that generates a second sensing signal; the data processing device includes a first data processor and a second data processor; the power assembly includes a first power component and a second power component. The LiDAR system incorporates two sets of photoelectric components (such the first and the second LiDAR components) and power supply components (such as the first and the second power components) that perform identical functions and operate simultaneously, ensuring the security and reliability of the LiDAR system data.

Abstract: A digital signal transmission media includes a first signal transmission module and a second signal transmission module capable of relative motion with the first signal transmission module. The first signal transmission module includes a first circular conductor not fully closed. The second signal transmission module includes a second circular conductor not fully closed. The first circular conductor and the second circular conductor are arranged with a common center, and the first circular conductor and the second circular conductor rotating relative to each other. Signal coupling formed between the first circular conductor and the second circular conductor, enables one of the first signal transmission module and the second signal transmission module to transmit signals to the other.

Abstract: A vehicle provided includes a vehicle body, a plurality of sensors, and a plurality of vehicle components. The vehicle body includes an outer shell, and the plurality of sensors are integrated into the plurality of the vehicle components one by one, and the plurality of sensors and the plurality of vehicle components are enveloped by the outer shell.

Abstract: There is provides a wiper device, the wiper device comprises a driving mechanism, a wiper component, and a base. The base defines an opening. the wiper component, is adapted to the opening. The driving mechanism is fixedly connected to the wiper component, and the driving mechanism drives the wiper component to swing; when the wiper component swings, the wiper component gradually opens up a certain angle relative to the base through the opening and extends out of the base, or gradually closes down relative to the base through the opening and hides in the base.