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430results about How to "Simple drive" patented technology

Microcontroller, switched-mode power supply, ballast for operating at least one electric lamp, and method of operating at least one electric lamp

The invention relates to a microcontroller (MC) having at least one device (G) for generating pulse-width modulated or frequency modulated control signals for a switched-mode power supply. According to the invention, this device (G) has a device (SQ1, SS1) for the alternate charging and discharging of an electric charge store (C27) that can be connected to the microcontroller (MC), control means for this device (SQ1, SS1) for controlling the charging and discharging operations, and evaluation means in order to evaluate the time periods which are needed for the individual charging and discharging operations; to generate pulse-width modulated or frequency modulated control signals. The microcontroller (MC) according to the invention generates finely graduated, frequency modulated or pulse-width modulated control signals which are independent of the operating cycle frequency of the microcontroller (MC). The invention further relates to a switched-mode power supply having such a microcontroller (MC) and an electronic ballast for operating at least one electric lamp, and also to an operating method for electric lamps. The frequency modulated or pulse-width modulated control signals for the inverter transistors (V2, V3), for the step-up converter transistor (V1) and for the transistor (V4) of the lamp electrode heating device of the ballast are generated directly by the microcontroller (MC).
Owner:PATENT TREUHAND GESELLSCHAFT FUR ELECTRIC GLUEHLAMPEN MBH

New-concept intelligent multifunctional spaying machine chassis

The invention discloses a new-concept intelligent multifunctional spaying machine chassis. The new-concept intelligent multifunctional spaying machine chassis comprises a chassis rack, a pesticide tank fixing support, a spray lance lifting support, a spray lance conversion mechanism, a spray head and wheels, wherein the pesticide tank fixing support is arranged at the rear end of the chassis rack, the spray lance lifting support is arranged at the front end of the chassis rack in a rotatable mode, the spray lance conversion mechanism and the spray lance lifting support constitute a vertical moving pair, the spray head is arranged on the spray lance conversion mechanism, and the wheels are installed at the bottom of the chassis rack through a longitudinal adjusting device and a transverse adjusting device. The new-concept intelligent multifunctional spaying machine chassis has the advantages of applying full-hydraulic power, and being stable in driving, large in drive torque, flexible in steering, simple in transmission, concise in overall structure, reasonable in configuration, and stable in center of gravity. In addition, the new-concept intelligent multifunctional spaying machine chassis has the advantages that due to the facts that stepless adjustment of the wheel torque, the ground clearance height and the like can be achieved and the spray lance conversion mechanism can descend, ascend and rotate, the spray lance conversion mechanism can achieve line-shaped conversion, U-shaped conversion and reverse-U-shaped conversion, the effect of omni-directional spraying is achieved, the requirement for all-terrain omni-directional spraying of different plants and different growth cultivation periods of one plant can be overall achieved through the new-concept intelligent multifunctional spaying machine chassis.
Owner:NANJING FORESTRY UNIV +1

Cam type quick grabbing under-actuated robot hand device

The invention discloses a cam type quick grabbing under-actuated robot hand device, and belongs to the technical field of robot hands. The device mainly comprises a palm, at least two fingers, a main shaft, a motor, a speed reducer, a first bevel gear, a second bevel gear, an incomplete groove cam, a movable plate, a sensor for detecting whether the fingers are opened in place or not, a sensor for detecting whether an object is in place or not, a control module and the like, wherein each finger is a tendon rope-torsion spring type multi-joint finger. The device has a function of automatically and quickly grabbing the object, and a grabbing process comprises four processes of energy storage opening of the fingers, detection of whether the fingers are opened in place or not, detection of whether the object is in place or not and instantaneous grabbing releasing; the device can be used for realizing quick grabbing; the object can be automatically grabbed after being detected to be in place; objects with different shapes and sizes can be adaptively grabbed; the device is compact in structure, the palm is large in size, and a grabbing space is large; the device is stable and accurate in transmission and high in transmission efficiency; and a plurality of joints of a plurality of fingers can be driven by only one motor, and the appearance and the actions of a human hand can be simulated by the device; and the device can be used for an anthropomorphic robot.
Owner:TSINGHUA UNIV

Fluid driving spherical robot

The invention belongs to the field of electromechanical technique, and relates to a spherical moving robot, and in particular relates to a fluid driving spherical robot which comprises a spherical shell, an annular seal container, axial flow devices, an inner driving rotating mechanism and a main shaft. The fluid driving spherical robot is characterized in that the spherical shell consists of two hemispherical shells including a left hemispherical shell and a right hemispherical shell; the annular seal container is positioned in the spherical surface; the outer annular surface of the container is concentric with the spherical surface of the spherical shell; the container is filled with fluid; the volume of the fluid is half of the volume of the container; two axial flow devices are symmetrically installed in the annular seal container; the axial flow devices drive a liquid to flow in the annular seal container, thus the mass center of the spherical robot is changed, thus the spherical robot can move forwards and backwards; the inner driving rotating mechanism positioned in the spherical shell mainly comprises an inner driving bracket, a motor, a motor support, a flywheel shaft, a flywheel, an electricity supply power supply and a controller; the main shaft is fixedly connected with the inner driving bracket through the motor support; the fly wheel is installed on the inner driving bracket through a bearing; the motor shaft is connected with the fly wheel through a coupling; and the motor drives the lower part of the motor to rotate together with the flywheel shaft vertical to the main shaft and the fly wheel, and the spherical robot takes a turn under the driving of the fluid on the basis of an angular momentum conservation principle.
Owner:TAISHAN UNIV

Spring operating mechanism and high-voltage vacuum breaker

The invention discloses a spring operating mechanism and a high-voltage vacuum breaker. The spring operating mechanism comprises a frame. An energy accumulation shaft and a first drive unit for driving the energy accumulation shaft to rotate are disposed on the frame. A switch-on spring is disposed between the energy accumulation shaft and the frame. A transmission spindle in transmission connection with the energy accumulation shaft through a transmission mechanism is further disposed on the frame. The transmission spindle is located above the energy accumulation shaft, the first drive unit and the switch-on spring. The transmission spindle is provided with three transmission output ends which are respectively used for being in transmission connection with the movable contacts of a three-phase vacuum arc extinguishing chamber. The spring operating mechanism has the advantages the transmission spindle is disposed above the energy accumulation shaft, the first drive unit and the switch-on spring and is close to the three-phase vacuum arc extinguishing chamber of a breaker body, spring accumulated energy is transmitted to the transmission spindle from bottom to top, the transmission spindle directly drives the movable contacts of the arc extinguishing chamber through the three transmission output ends, transmission paths are shortened, transmission is simplified, and overall performance is increased.
Owner:STATE GRID CORP OF CHINA +2

Comb tooth lifting type automatic carrier

The invention discloses a comb tooth lifting type automatic carrier. A lifting rack is provided with comb teeth for bearing automobile wheels; an automobile body is connected with the lifting rack through a lifting device; the lifting device comprises two lifting jacks and a lifting driving motor; the lifting jacks are respectively mounted at two ends of the automobile body; each lifting jack comprises a seat, a lifting guiding shaft, a gear and a rack; each seat is connected with the automobile body; each lifting guiding shaft can slide along a guiding hole in the corresponding seat; the top of each lifting guiding shaft is connected with the lifting rack; each gear is connected with a shaft end of the lifting driving motor and is rotatably connected to the inside of the corresponding seat; each rack is connected with the corresponding lifting guiding shaft and is meshed with the corresponding gear; and safety devices for preventing the lifting rack from overturning due to unbalance loading are respectively arranged at four corners of the automobile body and four corners of the lifting rack. A guiding device of the lifting rack and the lifting device are integrated in one of the lifting jacks, and guiding precision of the guiding device of the lifting rack is not affected by the automobile body and the lifting rack which has a welding structure; and the number of the used lifting jacks is small, transmission is simple, requirements on mounting precision are reduced relatively, and the comb tooth lifting type automatic carrier is easy to mount and low in debugging difficulty; and using failure rate is reduced.
Owner:SHANDONG TIANCHEN INTELLIGENT PARKING EQUIPMENT CO LTD

Feeding compaction device of silage harvesting machine

The invention provides a feeding compaction device of silage harvesting machine. The feeding compaction device consists of a framework, floating rotating rollers, fixed rotating rollers, a connecting device, a tensioning device and a power transmission device, wherein the three fixed rotating rollers are in step type arrangement and are fixedly arranged at the lower part of the framework, the floating rotating rollers are connected onto the upper part of the framework, the two floating rotating rollers and the three fixed rolling rollers are respectively in transverse arrangement, the two floating rotating rollers and the lower part of the framework are provided with the tensioning device, a power input wheel is respectively connected with the two floating rotating rollers and the three fixed rotating rollers through the transmission device, and a bent connecting rod is adopted for power transmission between the two floating rotating rollers. In a straw feeding process, crops are tightly compacted through the tensioning force of the tensioning device and the self weight of the floating rollers. A floating connecting rod mechanism arranged at the right side of the floating rotating rollers is made into a floating bent connecting rod mechanism, and the chain transmission power input is favorably realized, so that the floating rotating rollers are also power input rotating rollers, and the feeding efficiency is improved. The transmission process is simplified, and in addition, the fault rate is reduced.
Owner:内蒙古长明机械股份有限公司
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