16results about How to "Reduce drive power consumption" patented technology

The present invention provides a dispersed-speed flexible motor, which includes a motor body, a continuously variable transmission and a reducer. The front end of the motor body is fixedly provided with a mounting seat, the front end of the motor body is rotatably provided with a motor rotor output shaft, the interior of the mounting seat is provided with a continuously variable transmission, the outer side of the mounting seat is fixedly connected to the reducer, one end of the continuously variable transmission is connected to the motor rotor output shaft, the other end of the continuously variable transmission is provided with an intermediate transmission shaft, and the continuously variable transmission is rotatably connected to the reducer through the intermediate transmission shaft. It has full-process flexible transmission performance. The dispersed-speed flexible motor can adaptively isolate the load during the startup process, so that it can be started with a light load, and no additional startup control device is required. During the operation, the transmission mode can also be adaptively adjusted according to the change of the load. The present invention can be widely used in the selection of motors in various transmission fields, and can provide flexible motors with various dispersed-speed outputs.

The present invention provides a dispersed-speed flexible motor, which includes a motor body, a continuously variable transmission and a reducer. The front end of the motor body is fixedly provided with a mounting seat, the front end of the motor body is rotatably provided with a motor rotor output shaft, the interior of the mounting seat is provided with a continuously variable transmission, the outer side of the mounting seat is fixedly connected to the reducer, one end of the continuously variable transmission is connected to the motor rotor output shaft, the other end of the continuously variable transmission is provided with an intermediate transmission shaft, and the continuously variable transmission is rotatably connected to the reducer through the intermediate transmission shaft. It has full-process flexible transmission performance. The dispersed-speed flexible motor can adaptively isolate the load during the startup process, so that it can be started with a light load, and no additional startup control device is required. During the operation, the transmission mode can also be adaptively adjusted according to the change of the load. The present invention can be widely used in the selection of motors in various transmission fields, and can provide flexible motors with various dispersed-speed outputs.

The application discloses a laser scanning device and electronic equipment, which comprises a fiber actuator, a lens and a galvanometer assembly. The fiber actuator is connected with an optical fiber and drives the optical fiber to vibrate and scan on a first plane at a first working frequency under the drive of an external driving signal, and an external laser beam is emitted into the lens through the optical fiber. The galvanometer assembly is provided with a reflecting mirror, which has a first inclination angle and can rotate and vibrate around an axis parallel to the first plane at a second working frequency under the drive of an external driving signal, so as to project and reflect the light emitted from the lens to a preset area and form an image. Through the laser scanning device, the size of the laser scanning device can be reduced while the imaging quality is ensured.

The application relates to the technical field of photoelectric devices, in particular to an RC-Micro LED device and a preparation method thereof, which comprises, from bottom to top, a second substrate, a metal conductive support layer, a metal electrode layer, a first mirror layer, a transparent conductive layer, a gallium nitride epitaxial layer and a second mirror layer; the gallium nitride epitaxial layer is in a convex mesa structure, an insulating layer is covered on the sidewall of the convex mesa structure; the first mirror layer and the second mirror layer are oppositely arranged to form a Fabry-Perot resonant cavity structure. The RC-Micro LED device can meet the transmission requirement of high-speed short-distance optical interconnection.

This utility model relates to the field of electromagnetic relay technology, providing a low-power monostable electromagnetic mechanism, comprising: a coil, a first yoke, a second yoke, an iron core, an armature, a soft magnet, a rotating shaft, and a permanent magnet; the iron core is located between the first and second yokes, with the coil wound around its outer surface; the permanent magnet is located on the first yoke, with one end extending beyond it, and is tightly fitted to the inner wall of the yoke, positioned below the coil; the soft magnet is supported on the lower surface of the end of the permanent magnet extending from the first yoke, with a gap between it and the pole face of the first yoke; the rotating shaft is located on both sides of the armature and connected to it, with its axis located on the side of the soft magnet facing the first yoke; one end of the armature is located below the first yoke, and the other end is located below the second yoke, and when it rotates around the rotating shaft, its central axis is always coplanar with the central axes of the first and second yokes. This utility model reduces the pull-in voltage and drive power consumption of a TO-5 sealed electromagnetic relay.

This invention discloses a stripe projection 3D imaging system based on a Micro-LED array. Its 3D information acquisition module consists of an integrated packaged Micro-LED driver board, a Micro-LED array, a micro-projection module, and a CCD camera. The 3D reconstruction module utilizes a computer. The micro-projection module is equipped with a plano-convex lens and a mechanical focusing damping structure, and is separately arranged in the front and rear optical paths of the Micro-LED array. The system's workflow is as follows: the driver board reads pre-stored stripe pattern data and timing-controls the Micro-LED array to output coded structured light stripes; the focusing structure adjusts the object distance in the optical path, focusing and scaling the stripes before projecting them onto the surface of the object being measured; the CCD camera simultaneously acquires a sequence of deformed images modulated by the object's shape and transmits it to the computer; the computer combines a multi-step phase-shifting algorithm and Gray code rules to complete phase calculation and unfolding, and, combined with a preset phase-height mapping relationship, reconstructs the 3D shape and point cloud data of the object being measured. This invention enables low-cost, miniaturized, and high-performance 3D shape measurement.

The present invention relates to a spatial light field phase modulation device and method based on a sulfur-based phase change F-P resonant cavity. The phase modulation device includes, from bottom to top, a dielectric substrate, a reflective layer, a dielectric resonance wavelength adjustment layer, a sulfur-based phase change active layer, and a distributed Bragg reflector. Since the refractive index contrast of the sulfur-based phase change material during the phase change process is relatively large, the dielectric resonance wavelength adjustment layer can be used to replace part of the sulfur-based phase change active layer, compressing the thickness of the sulfur-based phase change active layer as the active material, thereby reducing the driving power consumption of the device and improving the modulation rate of the device; the preparation process flow during modulation provided by the present invention only involves thin film growth, and does not involve the processing technology of micro-nano structures, and the preparation process is relatively simple.

This invention discloses a MEMS synthetic jet heat sink and array heat sink based on an asymmetric dual-diaphragm and a top-surface through-flow channel, comprising a PCB substrate, a silicon substrate, a first piezoelectric diaphragm, a second piezoelectric diaphragm, and a top frame. The lower surface of the PCB substrate is used for mounting to a heat source and is a complete plane; the silicon substrate is disposed on the PCB substrate, and a vibration cavity is formed within the silicon substrate; the first and second piezoelectric diaphragms are sealed and connected to the silicon substrate, and together enclose the vibration cavity; the two piezoelectric diaphragms are arranged asymmetrically relative to the PCB substrate; the top frame is disposed above the first and second piezoelectric diaphragms and connected to the PCB substrate; the top frame has an opening; the opening communicates with the vibration cavity, together forming a top-surface through-flow bidirectional channel, so that the air intake and exhaust processes of the heat sink are completed through the top-surface through-flow bidirectional channel.

The application provides a partitioned DLP micromirror control method and system based on pixel content recognition, and relates to the technical field of DLP display. The method first receives and pre-processes an external video stream signal, extracts brightness data, and completes frame buffer updating and alignment; then determines the brightness threshold of the invalid area dynamically through an adaptive threshold brightness recognition algorithm, and marks the candidate invalid pixels; subsequently screens out static invalid pixels by using an adjacent frame difference static judgment algorithm; divides the static invalid area and demarcates the boundary coordinates through a region connectivity analysis algorithm; finally, matches the driving sub-circuit module number based on the boundary coordinates, constructs a partition control instruction, and issues it after verification and packaging. The application realizes the differential driving of the DLP micromirror partition, can completely eliminate the driving power consumption of the invalid area, improves the power consumption optimization effect, does not lose the display quality, responds in real time, has strong compatibility, and is suitable for compact DLP devices such as vehicle machines.

The application relates to a DNA self-assembly nano-floating gate type 3D NAND structure, which comprises a substrate, a periodic stack structure arranged on the substrate, the stack structure comprising a plurality of first insulating medium layers and nano-floating gate storage structures alternately stacked, a plurality of through holes penetrating through the stack structure, a center channel layer being arranged on the side wall of the through hole, and a center insulating medium layer being filled in the center channel layer; wherein the nano-floating gate storage structure comprises a tunneling medium layer contacting the center channel layer, a blocking medium layer wrapping the outside of the tunneling medium layer, and a gate word line metal located outside the blocking medium layer, and a carbon nanotube floating gate layer is arranged in the tunneling medium layer. The structure can significantly improve the storage density and size miniaturization ability, and greatly reduce the working voltage and driving power consumption.

The application provides an electric vertical injection molding machine with a mold locking mechanism, and relates to the technical field of injection molding equipment. The electric vertical injection molding machine with the mold locking mechanism comprises a rack, a lower mold plate fixedly arranged at the upper portion, a movable mold plate capable of sliding up and down above the lower mold plate, and a pull rod connecting the rack and the lower mold plate. The top of the rack is provided with an upper support frame. A composite mold locking driving mechanism and a self-balancing gravity compensation mechanism are installed on the upper support frame. The composite mold locking driving mechanism comprises a main driving servo motor arranged in a biasing mode. A speed reducer is connected to the main driving servo motor. In the application, high-speed stable mold closing is realized through gravity compensation and self-adaptive leveling, and the lead screw is protected. The combination of the mechatronic and hydraulic separation layout makes the servo and the hollow hydraulic responsible for mold opening and closing and center mold locking injection, respectively. The electric precision and the hydraulic large mold locking force are combined, and the molding precision and the service life of the equipment are effectively improved.

The utility model relates to the technical field of transmission auxiliary equipment, in particular to an oil discharge type swing arm capable of reducing transmission power consumption, which comprises a rocker arm, the rocker arm is positioned between a tensioner piston and a chain, the top surface of the tensioner piston is a plane, a convex surface is formed at the contact position of the plane and the tensioner piston, and the convex surface is positioned on the rocker arm. At least one through hole is connected between the convex face and the side, away from the tensioner piston, of the rocker arm, so that the tensioner piston can eject oil to penetrate through the through hole, in the process that the rocker arm rotates around a circle center, the contact position of the plane and the convex face is continuously changed, the eccentric wear condition can be prevented, the stability of a tensioning system is improved, and the service life of the tensioning system is prolonged. The side flanges can prevent lateral displacement of the rocker arm, so that the tensioning system is not prone to disengagement and failure, when the tensioning system operates, the piston of the tensioner moves to eject oil, the ejected oil penetrates through the through hole to act on the chain, friction force between the chain and the rocker arm can be reduced, and transmission power consumption is reduced.

A digital closed loop current sensor suitable for use in conjunction with a control unit. The digital closed-loop current sensor comprises a to-be-detected current conversion unit, a first signal conversion unit, a second signal conversion unit and a driving circuit. The to-be-detected current conversion unit allows to-be-detected current to flow in, and generates an analog signal and a voltage output signal through an induced magnetic field generated by the to-be-detected current. The first signal conversion unit converts an analog signal into a control signal. The second signal conversion unit receives the voltage output signal and converts the voltage output signal into a digital voltage output signal. The second signal conversion unit is electrically connected with the control unit, and the control unit receives the digital voltage output signal to obtain the magnitude of the current to be measured. The drive circuit receives the control signal and generates a reverse magnetic field in the to-be-measured current conversion unit to offset the induced magnetic field of the to-be-measured current.

The present invention discloses a high-current parallel IGBT driving device, comprising a PWM interlocking circuit, a fault feedback circuit, a time-delay reset circuit and a PWM control module; an MCU is electrically connected to the PWM interlocking circuit, the fault feedback circuit and the time-delay reset circuit respectively, and the PWM control module is electrically connected to the PWM interlocking circuit and the IGBT module respectively, and the normal and stable operation of the parallel IGBT is ensured by the PWM control module and the PWM interlocking circuit; the time-delay reset circuit is electrically connected to the PWM control module, and the IGBT module is electrically connected to the fault feedback circuit, and the time-delay reset circuit and the fault feedback circuit are used to ensure that the parallel IGBT stops working in time when the working state is abnormal, and the fault is reported normally. Compared with other parallel drive devices, the present invention has stronger environmental adaptability.

The present application relates to a display panel and a pixel driving circuit, method and device thereof. A pulse width modulation circuit module performs pulse width modulation according to a digital data signal output by a data buffer to output a target pulse width signal, and a trapezoidal wave signal is output according to a pulse input signal and a polarity inversion signal of the display panel through a trapezoidal generator module, so that a data charging switch module in the display panel outputs a driving voltage signal to a pixel in the display panel based on the trapezoidal wave signal under the control of the target pulse width signal, thereby realizing data driving, saving costs and reducing a large amount of driving power consumption, thereby solving the problem of high data driving power consumption existing in the existing related technologies.

The invention discloses an electric telescopic device capable of being used for driving a locking mechanism, and the device comprises a housing which forms a cavity; the like magnetic poles of the two groups of permanent magnets are opposite, and the two groups of permanent magnets are arranged in the cavity and are fixedly connected with the shell; the coil assembly is arranged in the cavity and comprises a coil and a soft magnet, and the coil and the soft magnet are fixedly connected and can move between the two groups of permanent magnets; an interlayer is arranged between the coil end and the opposite permanent magnet magnetic pole, and the thickness of the interlayer is less than 1.6 mm; the distance between the end of the soft magnet and at least one opposite permanent magnet pole is greater than the thickness of the interlayer; the rod-shaped body is fixedly connected with the coil assembly and can axially move along the shell 4; the non-electric intelligent lock has the advantages that power consumption is low and is smaller than 10% of that of a traditional motor, energy is saved, even no battery is needed for power supply, the locking mechanism can be driven only through wireless radiation micro energy of the NFC function of a mobile phone, and the non-electric intelligent lock is achieved.