Abstract: Embodiments of the disclosure provide a finger ring. The finger ring includes a housing configured to have an annular shape to be suitable for a user to wear on a finger; a speaker assembly arranged within the housing and including at least a speaker unit and a rear cavity arranged at a side of the speaker unit close to the finger, the rear cavity being in airflow communication with a sound emitting part of the speaker unit; and a rear cavity expansion component arranged within the housing and including a expansion cavity having a predetermined volume and at least one opening, the rear cavity expansion component being coupled to the speaker assembly via the at least one opening such that the rear cavity is in airflow communication with the expansion cavity.

Abstract: A drainage plate bolt dismounting device is provided, which relates to the technical field of overhead high-voltage transmission lines, and includes a supporting body, a Y-axis moving assembly, an X-axis moving assembly, a mounting and dismounting assembly and a monitoring component. In the device, a first base plate is connected to a T-shaped cable clip, a first driving mechanism is arranged on the first base plate, the first driving mechanism is connected to the supporting body, and can drive the supporting body to move in a first straight line direction; the X-axis moving assembly is connected to the supporting body, a second driving mechanism is arranged on a second base plate, the second driving mechanism is connected to an adapter structure, and can drive the adapter structure to move in a second straight line direction; the mounting and dismounting assembly is connected to the adapter structure.

Abstract: A live working robot includes a working bottom plate, three mechanical arms disposed on the working bottom plate, three insulating rods, a connection plate and a clamping member. The mechanical arms are disposed at intervals around a central axis of the working bottom plate, and the mechanical arms are provided with connection portions. The insulating rods and the mechanical arms are disposed correspondingly, one end of a three insulating rod is connected to a respective connection portion, and connection positions between the insulating rods and the connection portions are adjustable. One surface of the connection plate is provided with mounting members disposed at intervals around a central axis of the connection plate, the other ends of the insulating rods are connected to the mounting members in one-to-one correspondence, and each of the mounting members is movably connected to a respective insulating rod.

Abstract: In an electronic device, a first sound generating module is disposed in a first accommodating cavity; and a second sound generating module is disposed in an accommodating space; when the first sound generating module is in a first operating state, the second sound generating module is in a second operating state, the first sound generating module outputs a first vibration signal to a housing, and the second sound generating module outputs a second vibration signal to the housing; or sound waves emitted by the first sound generating module form first sound waves in the first accommodating cavity, and sound waves emitted by the second sound generating module form second sound waves in the first accommodating cavity; or the first sound generating module outputs a first vibration signal to a housing, and sound waves emitted by the second sound generating module form second sound waves in the first accommodating cavity.

Abstract: A method for classifying electrical loads includes: clustering and averaging to-be-classified load data according to a cluster algorithm based on a Pearson correlation coefficient to obtain a first daily load curve, where the to-be-classified load data includes a daily load curve in years; segmenting and averaging the to-be-classified load data according to a seasonal segmentation aggregation algorithm to obtain second daily load curves corresponding to different seasons; separately comparing a target daily load curve with daily load curve models corresponding to different load types to obtain a candidate classification result corresponding to the target daily load curve, where the target daily load curve is any one of the first daily load curve and the second daily load curves; and determining a target classification result corresponding to the to-be-classified load data according to the candidate classification result.

Abstract: A high-speed noise reduction hair dryer includes a hair dryer housing, which is provided with an air inlet and an air outlet; a handle housing; a high-speed motor, which is connected to a guide blade, and the high-speed motor drives the guide blade to rotate; a noise reduction guide mechanism, forming an internal air duct; a circuit board assembly; the noise reduction guide mechanism includes an air intake grille, a guide bracket, a honeycomb air intake bracket, a motor bracket, an air duct bracket and a concentrated air outlet bracket from the air inlet to the air outlet, the guide bracket and the honeycomb air intake bracket overlap each other, and the projections of the front convex part and the rear concave part in the vertical direction partially overlap, thereby forming an S-shaped rotary air duct.

Abstract: Provided are a coating device and a method for insulating a parallel groove clamp. The coating device includes a feeding mechanism and a coating and curing mechanism. The feeding mechanism includes a material storage container and a push component. The material storage container is configured to contain liquid material. The push component is movably inserted into the material storage container. The coating and curing mechanism includes a forming mold. The forming mold has a forming cavity inside the forming mold. To-be-coated material is contained in the forming cavity. The forming cavity is in communication with the material storage container. The push component is configured to push the liquid material from the material storage container to the forming cavity. The liquid material is configured to be cured and coated on the outside of the to-be-coated material in the forming cavity.

Abstract: An earphone includes a loudspeaker, a rear housing and a front housing. The loudspeaker is disposed in the rear housing, a sound output hole is disposed at a first end of the front housing, a second end of the front housing is rotatably connected to the rear housing, and the front housing is rotatable relative to the rear housing and between a first position and a second position. In a case that the front housing is rotated to the first position relative to the rear housing, the sound output hole faces a first direction, and the loudspeaker is configured to output a first channel audio signal. In a case that the front housing is rotated to the second position relative to the rear housing, the sound output hole faces a second direction, and the loudspeaker is configured to output a second channel audio signal.

Abstract: This disclosure provides a mobile terminal and a sound output control method. The mobile terminal includes: a display screen; a strip-shaped sound output hole, disposed at a top edge of the display screen; and at least two phone receivers, each of which is connected to the sound output hole by a sound conduction channel, where at least one phone receiver is disposed adjacently to a first end of the sound output hole, and at least one phone receiver is disposed adjacently to a second end of the sound output hole.

Abstract: The present disclosure provides an electronic device, including: a first shell, a driven component, and a first control component, where the first control component is disposed in the first shell or on the driven component, an accommodation hole is formed on the first shell, and the driven component may be retracted into the first shell or may be at least partially protruded from the shell through the accommodation hole.

Abstract: A formation method for liquid rubber composite nodes with middle damping holes is provided. The formation method includes adding a middle spacer sleeve between an outer sleeve and a mandrel, bonding the middle spacer sleeve and the mandrel together through rubber vulcanization, and assembling the integrated middle spacer sleeve and the mandrel into the outer sleeve; forming damping through holes which penetrate through the mandrel on the mandrel; hollowing the middle spacer sleeve to form a plurality of spaces; after vulcanization, forming a plurality of interdependent liquid cavities by using rubber and the plurality of spaces; and arranging liquid in the plurality of liquid cavities and communicating the plurality of liquid cavities through the damping through holes.

Abstract: A mobile terminal includes a first terminal portion disposed with a first sound output hole and a second terminal portion disposed with a second sound output hole and a receiver. The second terminal portion can move between a first position and a second position relative to the first terminal portion. At the first position, the first sound output hole is connected to the second sound output hole, and at the second position, the second sound output hole is staggered from the first terminal portion. A baffle is disposed on the second terminal portion. The second terminal portion is located at the second position relative to the first terminal portion, and the baffle covers the second sound output hole. The second terminal portion is located at the first position relative to the first terminal portion, the baffle is removed away from the second sound output hole.

Abstract: A receiver control method includes: when a receiver of a terminal is at a first position of the terminal, picking up, by using a microphone, an audio signal sent by the receiver; and if there is a noise in the audio signal picked up by the microphone, moving the receiver to a second position of the terminal. When the receiver is at the first position, an orthographic projection of a first sound hole of the receiver along a first direction at least partially overlaps with a target component. When the receiver is at the second location, the orthographic projection of the first sound hole along the first direction does not overlap with the target component.

Abstract: In an electronic device, a first sound generating module is disposed in a first accommodating cavity; and a second sound generating module is disposed in an accommodating space; when the first sound generating module is in a first operating state, the second sound generating module is in a second operating state, the first sound generating module outputs a first vibration signal to a housing, and the second sound generating module outputs a second vibration signal to the housing; or sound waves emitted by the first sound generating module form first sound waves in the first accommodating cavity, and sound waves emitted by the second sound generating module form second sound waves in the first accommodating cavity; or the first sound generating module outputs a first vibration signal to a housing, and sound waves emitted by the second sound generating module form second sound waves in the first accommodating cavity.

Abstract: A system for dynamic management and control of air pollution includes: a multi-source heterogeneous integrated data platform, a comprehensive decision-making one-map platform, an emission inventory management system, a heavy pollution emergency assessment system, a mobile source management system, a source tracking and cause analysis system, and a grid supervision system. A method for dynamic management and control of air pollution includes steps of: detecting problems, making comprehensive decisions, feeding back implementation results, and evaluating effects. The system can collect and produce abundant air pollution related monitoring and forecast data, break the island effect of multi-source heterogeneous data, automatically discover air pollution incidents in an agile and accurate manner, and achieve a high degree of informatization, automation, and quantitative evaluation for air pollution control business process.

Abstract: A formation method for liquid rubber composite nodes with a tubular flow channel is provided. The formation method includes adding a middle spacer sleeve between an outer sleeve and a mandrel, bonding the middle spacer sleeve and the mandrel together through rubber vulcanization and assembling the integrated middle spacer sleeve and the mandrel into the outer sleeve; installing a tubular flow channel in the mandrel; hollowing the middle spacer sleeve to form a plurality of spaces; after vulcanization, forming a plurality of interdependent liquid cavities by using rubber and the plurality of spaces; and arranging liquid in the plurality of liquid cavities and communicating the plurality of liquid cavities through the tubular flow channel.

Abstract: An earphone includes a loudspeaker, a rear housing and a front housing. The loudspeaker is disposed in the rear housing, a sound output hole is disposed at a first end of the front housing, a second end of the front housing is rotatably connected to the rear housing, and the front housing is rotatable relative to the rear housing and between a first position and a second position. In a case that the front housing is rotated to the first position relative to the rear housing, the sound output hole faces a first direction, and the loudspeaker is configured to output a first channel audio signal. In a case that the front housing is rotated to the second position relative to the rear housing, the sound output hole faces a second direction, and the loudspeaker is configured to output a second channel audio signal.

Abstract: The present disclosure provides an electronic device, including: a first shell, a driven component, and a first control component, where the first control component is disposed in the first shell or on the driven component, an accommodation hole is formed on the first shell, and the driven component may be retracted into the first shell or may be at least partially protruded from the shell through the accommodation hole.

Abstract: A formation method for liquid rubber composite nodes with middle damping holes is provided. The formation method includes adding a middle spacer sleeve between an outer sleeve and a mandrel, bonding the middle spacer sleeve and the mandrel together through rubber vulcanization, and assembling the integrated middle spacer sleeve and the mandrel into the outer sleeve; forming damping through holes which penetrate through the mandrel on the mandrel; hollowing the middle spacer sleeve to form a plurality of spaces; after vulcanization, forming a plurality of interdependent liquid cavities by using rubber and the plurality of spaces; and arranging liquid in the plurality of liquid cavities and communicating the plurality of liquid cavities through the damping through holes.

Abstract: A formation method for liquid rubber composite nodes with a tubular flow channel is provided. The formation method includes adding a middle spacer sleeve between an outer sleeve and a mandrel, bonding the middle spacer sleeve and the mandrel together through rubber vulcanization and assembling the integrated middle spacer sleeve and the mandrel into the outer sleeve; installing a tubular flow channel in the mandrel; hollowing the middle spacer sleeve to form a plurality of spaces; after vulcanization, forming a plurality of interdependent liquid cavities by using rubber and the plurality of spaces; and arranging liquid in the plurality of liquid cavities and communicating the plurality of liquid cavities through the tubular flow channel.