124 results about "Motor Drive Unit" patented technology

A power swivel device for a vehicle seat is configured to perform both swivel and monopost functions of the vehicle seat. The power swivel device includes a motor configured to swivel the seat and a reduction gear device configured to increase output torque of the motor, which are stacked in a vertical direction on a bottom of the seat. The power swivel device includes a lower housing; an upper housing stacked on and assembled to the lower housing; an eccentric shaft rotatably disposed relative to the lower housing and the upper housing; a motor driving unit mounted between the lower housing and the eccentric shaft; the reduction gear device installed between the upper housing and the eccentric shaft; and a swivel plate rotatably mounted on the reduction gear device and connected to a seat cushion frame.

The present disclosure provides a stepping motor abnormality detection device capable of detecting an abnormality of a stepping motor. The stepping motor abnormality detection device (100) includes a power supply unit (1), a stepping motor (4), a stepping motor drive unit (3), a determination unit (5), and a control unit (6). The stepping motor drive unit (3) causes the stepping motor (4) to operate by the control unit (6). A current level detection unit (2) acquires a current level during driving of the stepping motor (4) and compares the acquired current level with a threshold value determined in advance by the determination unit (5) to detect an abnormality of the stepping motor (4).

The utility model discloses a light electric single-wheel balance car driven by an external motor. The light electric single-wheel balance car comprises an electric control and seat cushion unit, a suspension lower movable unit, a motor driving unit, a shock absorber, a battery pack unit, a wheel set unit, a pedal and the like. A high-speed motor is used for speed reduction through a gear and power transmission through a constant velocity universal joint, and finally a belt speed reducer is used for driving a wheel set to rotate, so that modular power layout is achieved. Due to the fact that the power / weight ratio of the high-rotating-speed motor is larger, the total weight of the vehicle can be effectively reduced. The suspension structure of the triangular double shock absorbers can reduce the number of components. The upper half part of the universal coupling is fixed in the shell of the driving unit, the lower half sliding part of the universal coupling is positioned below the damping system spring, and the motor is fixedly mounted through the expansion joint of the universal coupling, so that the power unit does not move along with the suspension. Due to the adoption of the modularized structure, the disassembly and maintenance are convenient, and the reassembly and combination are simple and convenient. The last stage adopts belt transmission, noise is reduced, and maintenance is convenient.

A four-motor hub motor device with a WW wheel train is disclosed, comprising four motor units, each including a motor drive unit and a motor body unit. The motor shaft of the motor body unit is connected to the input end of a reduction system via an input gear. The output end of the reduction system is connected to the wheel hub, and the wheel hub is connected to the tire, realizing power output and transmission. The reduction system includes an internal gear ring meshing with the input gear. The internal gear ring is connected to a double planetary gear shaft via a double planetary gear shaft. One side of the double planetary gear meshes with a fixed-end sun gear, which is connected to the wheel hub shaft. The other side of the double planetary gear meshes with an output-end sun gear, which is connected to the wheel hub and supported on the wheel hub shaft by a bearing system, transmitting the motor power to the wheel hub. This invention, through the four-motor hub motor device with a WW wheel train, achieves multi-motor power distribution, offering advantages such as safety, reliability, high energy utilization, convenient heat dissipation, and compact structure.

The device comprises: a first housing housing a power conversion device; a first connector mounted on the first housing and having contacts electrically connected to the power conversion device housed in the first housing; and a busbar having conductivity. A second housing is disposed adjacent to the first housing and disposed side by side. The second housing is fitted with a second connector having the same configuration as the first connector and having the same function as the first housing. In this case, the busbar temporarily disposed near the first connector slides toward the second connector and electrically connects the contacts of the first connector and the contacts of the second connector by means of the busbar, thereby electrically connecting the power conversion device housed in the first housing with the power conversion device housed in the second housing.

A motorized window treatment may include one or more mounting brackets and a window treatment assembly supported by the one or more mounting brackets. The window treatment assembly may include a covering material that is operable between a raised position and a lowered position. The window treatment assembly may include a bottom bar comprising an energy storage element. The motorized window treatment may include a motor drive unit comprising a motor configured to rotate to adjust the covering material between the raised position and the lowered position. The motorized window treatment may include a dock configured to be electrically coupled to the motor drive unit. The bottom bar may be configured to be positioned adjacent to the dock when the covering material is in the raised position, such that the energy storage element is configured to charge through the dock and the motor drive unit.

A control device includes: a print data acquisition unit configured to acquire print data, which is formed of a plurality of lines and indicates a coloration state of each pixel included in the plurality of lines; a head drive unit configured to supply, to a thermal head formed of a plurality of heating elements each corresponding to the pixel, an electric current for heating the thermal head for each pixel; a motor drive unit configured to supply, to a motor configured to move heat-sensitive paper relative to the thermal head, a drive current for step driving the motor for each line; a speed control unit configured to control, based on the number of colored pixels of a determination subject line among yet-to-be-printed lines of the print data, a relative moving speed of the heat-sensitive paper moved by the motor; and a preheating control unit configured to cause the head drive unit to output, when the determination subject line is a specific line being a line in which the number of colored pixels of the determination subject line exceeds a predetermined value, a preheating current being an electric current for heating the thermal head to such a degree as to prevent coloring of the heat-sensitive paper by a time the specific line is printed.

The present application provides a single soldier combat flying umbrella, relates to aviation power and single soldier flying equipment technical field, in order to solve the efficiency, noise and safety problem of traditional propeller propulsion system, the present application discards propeller, and adopts the innovative power system consisting of coaxial reverse motor drive unit, tilt linkage mechanism and gravity ball.Electric motor drives gravity ball to do circular motion, utilizes the centrifugal force component as the source of propulsion and lift, and utilizes gyroscopic effect to enhance stability. Through controlling the speed difference of two electric motors, accurate attitude control can be realized. The system has the advantages of compact structure, high efficiency, extremely low noise, good safety and strong environmental adaptability, and is especially suitable for military single soldier mobility, special operation and civil leisure flight and other fields.

This invention relates to a rotor assembly for an electric motor, an electric motor assembly, and an electric motor drive unit. The rotor assembly (10) includes a lamination group (20) and end rings (30, 40) located at both axial ends of the lamination group (20). The rotor assembly (10) has an internal oil passage (100) comprising an axially extending passage portion (110) formed by the lamination group (20) and an end-side passage portion (120) formed by the end rings (30, 40), wherein the axial passage portion (110) and the end-side passage portion (120) are in communication with each other. The electric motor assembly includes a stator assembly and the aforementioned rotor assembly. The electric motor drive unit includes a transmission assembly, a controller, and the aforementioned electric motor assembly.

The invention relates to the field of robot control, and discloses a control method of an operation arm, a robot system, computer equipment and a storage medium. The control method includes: obtaining an input spatial vector for driving at least one motor driving unit of the operating arm, the at least one motor driving unit including a first sensor and a second sensor, respectively, and the input spatial vector including a first parameter from the first sensor and a second parameter from the second sensor; calculating a sensing estimation value related to the second sensor based on the input spatial vector and a sensing value estimation model; determining a current driving output amount of the at least one motor driving unit based on the sensing estimation value; based on the current driving output quantity of the at least one motor driving unit, the current pose of the tail end of the operation arm is determined; obtaining a target pose of the tail end of the operation arm; and based on the current pose and the target pose of the tail end of the operation arm, determining a target driving signal of the operation arm to drive the operation arm to move towards the target pose.

This utility model discloses a cleaning device for optical lenses in the field of lens cleaning technology. It includes a cleaning chamber base, a cleaning tank mounted on top of the cleaning chamber base, a lifting assembly connected to the top of the cleaning tank, and a filter screen plate at one end of the cleaning chamber base. The lifting assembly includes a sealing end cap, and a centrifugal cleaning component is connected to the bottom of the sealing end cap. This solution achieves deep cleaning of lenses through the coordinated operation of the centrifugal cleaning component and an ultrasonic generator. The centrifugal cleaning component rotates at high speed driven by a motor drive unit, generating strong centrifugal force to effectively remove micron-sized particles and oil stains adhering to the lens surface. The high-frequency sound waves generated by the electrically powered ultrasonic generator create a cavitation effect in the cleaning fluid, further loosening and peeling away stubborn stains on the lens, ensuring a high degree of cleanliness on the lens surface and achieving refined lens cleaning, thus meeting the stringent requirements for high cleanliness in optical lenses.

The application provides a marine energy-saving louver hollow glass window, which comprises inner glass, outer glass, a window body, a louver, a louver drive assembly, an energy storage battery pack and a control box. The louver drive assembly comprises a motor, a position limiter and a transmission device. The control box comprises a shell and a control circuit board. The control circuit board is provided with a microprocessor, a power management unit, a motor drive unit and a wireless signal receiving and processing unit. The motor drive unit is electrically connected with the motor. The motor is connected with the transmission device. The marine energy-saving louver hollow glass window further comprises an environment sensing module. The environment sensing module is arranged on the window body and is electrically connected with the control circuit board. The outer glass is electrochromic light-adjusting glass. The control circuit board is provided with an electrochromic drive circuit. The outer glass is electrically connected with the electrochromic drive circuit. The marine energy-saving louver hollow glass window can adjust the heat conduction performance of the louver according to the real-time environment to achieve the energy-saving purpose. The structure of the louver is fully utilized to meet the energy-saving demand and privacy protection.

A power module for a vehicle is provided. The power module comprises a printed circuit board with an insulating layer and a first metal layer, a switching unit arranged on the circuit board, a conductor frame arranged on one side of the circuit board, a signal line arranged on the other side of the circuit board, and a Hall sensor arranged on the circuit board. The Hall sensor includes a sensing unit arranged to detect a magnetic field of a target pattern on the first metal layer, and a magnetic shield that provides magnetic protection for at least a portion of a surface other than a surface of the sensing unit facing the target pattern.

It provides good protection for the components of the motor drive unit connected to an open-winding motor. [Solution] The motor drive device of the present disclosure includes an upper arm and a lower arm, each connected to each of a plurality of coils of an open-winding motor, and includes first and second inverters connected in parallel to a positive-side power line and a negative-side power line connected to a battery; a switch provided on the positive-side power line for connecting the positive terminal of the battery to one of the first and second inverters and for disconnecting the two; and a control device that, in response to a shutdown request, shuts down the first and second inverters and then opens the switch on the positive-side power line after a predetermined delay time has elapsed that is shorter than the time allowed for current discharged from the plurality of coils of the open-winding motor to flow to the battery.

The application discloses a high-integration angle module for an agricultural vehicle and relates to the technical field of agricultural machinery equipment. The application comprises a framework body, a steering unit is installed at each corner of the framework body, a suspension unit is installed at the output end of the steering unit, a wheel hub motor driving unit is rotatably installed on the suspension unit, the steering unit drives the wheel hub motor driving unit to perform steering control by applying a rotating torque to the suspension unit, wherein the suspension unit comprises a supporting suspension fixed at the output end of the steering unit, and a trailing arm is hingedly connected to the bottom end of the supporting suspension. The application performs geometric optimization design on the suspension unit, the center of the wheel shaft is downwardly offset relative to the main axis of the trailing arm to form a gravity center sinking structure, the upper mounting point of an elastic return member is lowered to shorten the force arm, the vertical displacement amount of the center of the wheel hub motor driving unit is greater than the compression deformation amount of the elastic return member, and the ability of the vehicle to cross obstacles and the passability of the vehicle on complex terrains are significantly enhanced in limited installation space.

The utility model provides a power board, a variable-pitch motor driving unit and a variable-pitch motor driving system. The power board comprises a power conversion circuit, a first current sensor and a first signal connector. The first current sensor is connected with the power conversion circuit; the power conversion circuit is used for inputting three-phase alternating current and outputting direct current, or the power conversion circuit is used for inputting direct current and outputting three-phase alternating current; the first signal connector is connected with the first current sensor and the power conversion circuit. The power board can be used as a grid-side power conversion circuit in the power circuit of the variable-pitch motor and can also be used as a machine-side power conversion circuit, the power conversion circuits in the power circuit are modularly integrated in the form of the power board, and when the power demand is relatively high, a plurality of power boards can be connected in parallel, so that the power demand is relatively high. The number of the power boards is flexibly adjusted according to power levels, and various power levels can be met.

The invention discloses an intelligent 2M connector automatic plugging and state detection device which comprises a shell, an intelligent screwing mechanism, a plugging execution unit, a state detection module, an intelligent control system and a safety protection device. The shell is of a handheld structure, a telescopic clamp installation groove is formed in the front end of the shell, and a detection terminal containing cavity is formed in the bottom of the shell. The intelligent screwing mechanism is fixed to the position of a middle shaft in the shell and comprises a high-precision motor driving unit, a storage battery power unit, a transmission system and a clamp. The device aims to realize automatic and precise twisting, plugging and unplugging operation of the 2M connector, integrates a cable on-off detection function, and improves the maintenance efficiency of communication equipment and the reliability of signal transmission.

This invention discloses a control system and method for lifting the roof of a giant hydropower unit, comprising: a signal acquisition module configured to acquire in real time the position signals of each support point of the roof, the hydraulic system pressure signals, and the oil tank status parameters; a core control module including a programmable logic controller (PLC) and a human-machine interface unit, wherein the PLC is communicatively connected to the signal acquisition module and programmed to execute synchronous compensation control logic; an execution drive module including a hydraulic pump control unit, a cooling motor control unit, and multiple servo motor drive units, each servo motor drive unit being connected to a relay at each support point of the roof; and a fault alarm unit activated in response to a fault judgment signal from the PLC. This invention effectively solves the technical problems of low synchronization accuracy, coarse fault response, and inaccurate endpoint alignment in the prior art.

The application relates to the technical field of industrial motor drive control, and provides a synchronous control device for multi-shaft master-slave drive, which comprises a plurality of first motor drive units, a shaft synchronization unit and a motion controller; the shaft synchronization unit is connected with the plurality of first motor drive units through a shaft synchronization bus, the shaft synchronization unit is used for combining the plurality of first motor drive units into a synchronous shaft group, and setting a driving shaft and a driven shaft in the synchronous shaft group; the motion controller is connected with the shaft synchronization unit through a real-time industrial bus, and the motion controller is used for controlling synchronous motion of each first motor drive unit in the synchronous shaft group. The synchronous control device for multi-shaft master-slave drive provided by the application has high real-time performance and can improve multi-shaft synchronous control performance.

This utility model relates to the field of electric actuator technology, specifically to a testing device for a brushless motor electric actuator. It includes a power supply unit, a control unit, an angle detection unit, and a motor drive unit. The power supply unit is a power module, the control unit includes an MCU module, the motor drive unit is a brushless motor drive module, and the angle detection unit is a digital angle sensor. Through this method, this utility model can obtain the angle feedback signal of the brushless motor electric actuator body and compare it with the angle data measured by the angle sensor built into the testing device to determine whether the operating data of the electric actuator meets the design requirements. Buttons are used to set the start and end of the test. The test results are displayed on the screen, and different buzzers sound to indicate whether the test is passed or failed. Simultaneously, the power supply voltage and operating current are monitored to ensure the accuracy and safety of the test.

The utility model relates to the technical field of control circuits, and discloses a hospital intelligent inspection robot driving control system, which comprises a sensor unit, a motion processing unit, a motor driving unit, a photovoltaic charging unit and a main control unit, the sensor unit comprises a sensor control module, and a temperature and humidity sensor, an ultraviolet sensor, an air quality sensor, a gas sensor, an infrared temperature measurement sensor and a heart rate and blood oxygen sensor which are connected with the sensor control module, and the motor driving unit comprises a buffer circuit, a driving H-bridge circuit and a driving connection circuit. The buffer circuit is connected with the main control unit, the buffer circuit is connected with the driving connection circuit through the driving H-bridge circuit, and the driving connection circuit is connected with a driving motor of the robot; cruising of the robot is guaranteed, and the utilization rate is increased; therefore, the robot can greatly improve the efficiency of medical services, reduce the workload of medical staff, and provide more intelligent nursing experience for patients.

A power supply device 10 for a vehicle includes: a motor 11 (low-voltage motor) that can operate at a voltage within an operation voltage range that is lower than a minimum output voltage of an on-vehicle battery 92; a backup power supply 20 serving as a spare for the on-vehicle battery 92; a motor drive unit 12 that supplies, to the motor 11, a voltage supplied from the on-vehicle battery 92 or the backup power supply 20, and drives the motor 11; and an adjustment unit 25 that adjusts the voltage supplied from the motor drive unit 12 to the motor 11 to a voltage within the operation voltage range when the voltage is supplied from the on-vehicle battery 92 to the motor drive unit 12.

This invention concerns a hill-start assist system for electric vehicles and how to do so. This hill-start assist system for electric vehicles consists of a control unit. Drive system, transmission control unit, electronic control unit (ECU), and motor drive unit. The electronic control unit (ECU) processes signals from the control unit. The drive and signals from the gear shift control unit, along with the motor speed, are used to... Calculate the optimal torque to control the motor in a way that matches the acceleration specified by the driver. The following are methods to assist electric vehicles in starting on inclines: The process of estimating the mass of a vehicle, where the vehicle's mass includes the mass it is carrying. On all vehicles, considering the components of the total forces acting on the vehicle along the axis. steep The torque compensation process involves adjusting the torque compensation value (K (formula)) which varies according to the mass of the vehicle. The vehicle was obtained by estimating the vehicle's mass and the angle of the slope. The process of correcting torque compensation that varies with vehicle speed (V-speed) using... Hill Start Assist Control (KHAC) The process of assisting in starting on a hill using the relationship of hill start compensation. The torque compensation adjustment (KHAC) is obtained by combining the torque input with the driver's operating torque. (TDriver) derived from the relationship between signals from the drive control unit and signals from the unit... Control the gear changes and motor speed at that moment;

The application discloses an overcurrent fault identification method, a motor driving unit and a storage medium. The method comprises the following steps: when an overcurrent fault signal is detected, determining a triggering time of the overcurrent fault signal; obtaining three-phase current values in a sampling period in which the triggering time is located; and determining a fault type according to a comparison result of a sum value of the three-phase current values and a first threshold value and a comparison result of each-phase current value and a second threshold value. In the case that the overcurrent fault identification method detects the overcurrent fault signal and determines that a hardware overcurrent fault occurs, in order to determine the specific fault type of the hardware overcurrent fault, three-phase current values of a driving motor in a sampling period in which the triggering time of the overcurrent fault signal is located are obtained, the change characteristics of the three-phase current values when the hardware overcurrent fault occurs are known, and then the fault type of the hardware overcurrent fault is determined according to the three-phase current values, so that the fault reason of the hardware overcurrent fault is known.

The utility model discloses a clock control circuit, PCB board and controller thereof, including power input unit, main control unit, display unit, speech processing unit, motor drive unit and motor part, power input unit is electric connection with main control unit, speech processing unit and motor drive unit respectively, main control unit is electric connection with display unit and speech processing unit respectively, motor drive unit is electric connection with speech processing unit and motor part respectively, when main control unit sends prompt signal to speech processing unit, speech processing unit feedback motor drive unit controls motor part action, through setting speech processing unit and motor drive unit, make electronic clock increase action prompt while voice prompt, improve the prompt effect of electronic clock significantly.

The utility model relates to a steel structure plant with an electric folding roof, and belongs to the technical field of industrial buildings. Comprising a three-dimensional truss structure formed by double rows of stand columns, inclined supports and transverse connecting pieces, sliding rails, guide wheel sets, a four-bar mechanism and a movable roof are arranged on the stand columns, fixed roofs are arranged at the ends of the stand columns, and a storage frame used for folding and storing the movable roofs is arranged below the fixed roofs. The adjacent movable roofs are connected through hinge shafts and cables, move under driving of the movable motor driving units and are longitudinally folded on the storage frame to be stored under driving of the folding motor driving units. And the mobile motor driving unit and the folding motor driving unit respectively realize remote wireless control through a control system. A sealing unit is arranged between every two adjacent movable roofs to form a drainage channel. And the movable roof is provided with a quick-assembly interface, so that other functional roof modules can be replaced conveniently. The problems that the space of a steel structure plant is solidified and the steel structure plant cannot adapt to diversified industrial scenes are solved.

A dual-motor, side-mounted, multi-speed transmission system is provided to improve operational efficiency. The system includes a first motor drive unit; a second motor drive unit; a power transmission and shifting unit, comprising a third parallel shaft connected to three power transmission gears with different numbers of teeth, and a fourth parallel shaft connected to three power transmission gears with different numbers of teeth; an intermediate shaft shifting unit, comprising a hollow intermediate shaft, two shift gears with different numbers of teeth, and a third engagement sleeve for selectively transmitting power from the two shift gears with different numbers of teeth to the intermediate shaft; a reduction planetary gear set for receiving power from the intermediate shaft; and a differential for receiving power from the reduction planetary gear set and transmitting it to the first and second wheel rims via the first and second half-shafts, respectively. The first, second, and third engagement sleeves cooperate to form 16 driving modes to adapt to different road conditions and improve overall operational efficiency.

This application relates to the field of food processor control technology, and discloses a control method and system for a food processor based on intelligent adjustment. The method or system includes: a data sensing unit that collects real-time data on the physical properties of ingredients and motor operating parameters; an ingredient characteristic identification unit that identifies the hardness, toughness, and processing stage of the ingredients; an adaptive control unit that intelligently calculates the optimal motor control command based on the identification results, motor status, and preset curves; a motor drive unit that executes the command; and a safety protection unit that monitors and triggers protection. By adopting the above technical solution, this application can avoid motor overload, food splashing, and uneven grinding, thereby improving processing efficiency, uniformity, and safety.

The invention discloses an automatic feed device and a feed method for tin oxide electrodes in an electronic glass furnace, which belongs to the field of auxiliary equipment for electronic glass furnaces, wherein the motor drive unit comprises a worm gear, a coupling, a plunger and a reduction motor, wherein the worm gear is connected to the reduction drive motor via the coupling, wherein the plunger is mounted at the end of the worm gear, wherein the motor guide unit comprises a transport device and a guide device, wherein the motor drive unit is mounted on the transport device, wherein the guide device is mounted on the bottom of the transport device, wherein the transport device moves on the guide device in use, thereby controlling the feed direction of the motor drive unit;wherein the motor control unit is connected to the reduction motor and serves to control the reduction motor for the feed movement of the plunger. This invention solves the problem according to the prior art that the feed movement of the electrode leads to bending and blocking of the threaded rod.