Ran, Handong

The present invention provides a heating progress display method, a heating progress display device, a water heating device, and a storage medium. The method is applied to the water heating device including a liquid storage component and a temperature indicator light assembly composed of a plurality of temperature indicator lights. The method includes: obtaining a liquid temperature of liquid stored in the liquid storage component and a target temperature to which the liquid needs to reach; determining, based on the liquid temperature and the target temperature, a target temperature indicator light among the temperature indicator lights and an optical indication parameter of the target temperature indicator light; and controlling the target temperature indicator light to indicate according to the optical indication parameter to display the heating progress of the water heating device heating the liquid from the liquid temperature to the target temperature. The method can improve convenience for a user to view the heating progress of the water heating device.

The present invention provides a display assembly and a household appliance. The display assembly includes a display, a front shell, a rear shell, and a detachable assembly. The front shell is connected to the display. The rear shell defines a mounting cavity together with the front shell. The display is disposed in the mounting cavity. The detachable assembly includes a first snap member and at least two second snap members. The first snap member is disposed at one of the front shell and the rear shell. The at least two second snap members spaced apart from each other are disposed at the other one of the front shell and the rear shell. The front shell or the rear shell provided with the first snap member has a disassembling opening facing the first snap member. The disassembling opening is configured to cause the first snap member to be disassembled from one of the at least two second snap members, enabling the first snap member to be snapped with another one of the at least two second snap members, to adjust a display angle of the display. The display assembly according to the present invention can be adapted to different mounting states of the household appliance, facilitating user operation.

A motor module and a LiDAR are provided. The motor module includes a stator assembly, a rotor assembly, and a support body. The stator assembly includes a housing and a stator winding mounted inside the housing. The rotor assembly includes a rotating shaft and a magnetic core, wherein the magnetic core is fixedly sleeved on the rotating shaft, and the magnetic core is surrounded by the stator winding. One end of the rotating shaft is disposed inside the housing, and the other end of the rotating shaft is fixedly connected to the support body. The housing includes a first limiting portion and a second limiting portion, wherein the support body rotates between the first limiting portion and the second limiting portion driven by the rotating shaft.

A chip module includes a packaging substrate, a system-on-chip disposed on a surface of the packaging substrate, a laser emission chip disposed on the system-on-chip and configured to emit laser signals, and at least two receiving chips disposed on the system-on-chip. The receiving chips include a first receiving chip configured to receive echo laser signals and a second receiving chip configured to receive visible light signals. A cover is disposed on the packaging substrate, wherein the cover and the packaging substrate jointly enclose to form an installation cavity, the system-on-chip, the laser emission chip, the first receiving chip, and the second receiving chip are all located within the installation cavity. The cover is provided with a first region for laser signals to pass through, a second region for echo laser signals to pass through, and a third region for visible light signals to pass through.

A single-photon avalanche diode array, a receiving sensor and a LiDAR are provided, wherein at least two SPAD units are arranged in an array, a micro lens converges the incident light onto the corresponding SPAD unit, a back metal grid connects the SPAD unit with the corresponding external electrode, a first dielectric layer is arranged between the micro lens and the SPAD unit, a second dielectric layer is arranged between the SPAD unit and a front metal wiring layer, and the front metal wiring layer is electrically connected to the corresponding SPAD unit through a contact metal wire. By arranging deep groove separation columns between adjacent SPAD units, thereby reducing the probability of photon crosstalk and reducing the optical crosstalk of the device.

The present application provides an echo signal processing method. The method includes: acquiring single histograms obtained from at least two scans; acquiring a superimposed histogram according to the single histograms; respectively extracting echo information of the superimposed histogram and echo information of target single histograms; calculating an echo similarity of each echo in the superimposed histogram and an echo similarity of corresponding echoes between the target single histograms according to the echo information of the superimposed histogram and the echo information of the target single histograms; determining an echo confidence level of each echo in the superimposed histogram according to the echo similarity of the echoes in the superimposed histogram and the echo similarity between the target single histograms; and identifying a valid echo according to the echo confidence level of the echo. This improves the identification accuracy of a radar system for noise signals and crosstalk echoes.

An emission module (1) includes a carrier board (11) and a light-emitting module (12) having a first subgroup (12A) and a second subgroup (12B). The first subgroup comprises at least two first emission units (121), at least one first drive unit (122), and at least one first energy storage unit (123). The first drive unit drives the at least two first emission units to emit laser light using energy stored in the first energy storage unit. The second subgroup comprises at least two second emission units (124), at least one second drive unit (125), and at least one second energy storage unit (126). The second drive unit drives the at least two second emission units to emit laser light using energy stored in the second energy storage unit. The first emission units and the second emission units are arranged in a staggered manner along a second direction. A single drive unit concurrently drives multiple emission units, compressing the light-emitting module's volume.

A LiDAR and an autonomous driving device are provided. The LiDAR includes a transceiver module and a rotating mirror. The transceiver module includes a transmitting unit, a receiving unit, a first housing, a second housing, and a plane mirror. The first housing includes a receiving cylinder and a transmitting cylinder. The second housing includes a first sub-housing and a second sub-housing. The transmitting cylinder and the first sub-housing form a transmitting channel, and the receiving cylinder and the second sub-housing form a receiving channel. The first sub-housing includes a first opening. The second sub-housing includes a second opening and a first boss. The plane mirror is fixed to the first opening, and the first boss extends from a first end of the second opening to a second end of the second opening.

An azimuth angle calibration method for a LiDAR, an azimuth angle calibration apparatus, and a LiDAR are disclosed. The method includes acquiring calibration point cloud data comprising at least one frame of point cloud data from the LiDAR. A measured azimuth angle is determined based on the calibration point cloud data, where the measured azimuth angle corresponds to a calibration zone. A compensation coefficient is calculated using the measured azimuth angle and a preset angle value. Angle compensation is then applied to azimuth angle information of detection point cloud data based on the compensation coefficient, wherein the detection point cloud data is generated during LiDAR operation. This method improves control accuracy in LiDAR scanning processes by compensating for directional angle errors.

A distance measurement method, applied to a data processing module coupled to a receiving module, includes: determining a plurality of received data based on an echo signal received by the receiving module, wherein the echo signal is reflected by a target object after a transmitting module emits a laser pulse toward the target object, and the received data are derived from an electrical signal output by the receiving module in response to the echo signal; organizing the received data into N data groups, each group comprising at least one received data, with at least two groups sharing partially identical received data, where N is an integer greater than or equal to 2; and computing a distance measurement result for each data group based on its respective received data. This method enhances distance measurement capability without requiring changes to radar hardware configuration.