21results about How to "Guaranteed driving ability" patented technology

The invention relates to the technical field of gallium nitride gate drivers, and discloses a design method and system of a gallium nitride gate driver, and the method comprises the steps: carrying out the working signal collection of the gallium nitride gate driver, obtaining original waveform sampling data, and building a signal integrity model under the action of electromagnetic interference; separating the original waveform sampling data into an effective driving signal, a low-frequency interference signal and a high-frequency noise signal, and extracting characteristic parameters to obtain a signal characteristic parameter set; switching time and circuit power consumption are set as optimization variables, constraint conditions are set according to the signal integrity model, and an optimization objective function is obtained; performing online identification and optimization calculation on the driving parameters to obtain a driving control parameter sequence; according to the method, the adaptive capacity of the driver to the change of the working condition is improved, and meanwhile, the stability and the reliability of the driving waveform are ensured.

The present invention relates to the field of chip placement machine control technology, and specifically discloses a trigonometric function curve planning method and system with continuous jerk, and a chip placement machine. The method includes the following steps: dividing the curve planning into an acceleration section, a uniform speed section, and a deceleration section, and the acceleration section and the deceleration section are respectively divided into a jerk section, a uniform acceleration section, and a deceleration section; setting and initializing the motion parameters of the curve planning; defining the average acceleration ratio of the deceleration section to the acceleration section as a softening factor, and defining the maximum acceleration in the deceleration section or the acceleration section to the average acceleration ratio as an acceleration coefficient; calculating the time nodes of each stage of the curve planning according to the motion parameters, the softening factor, and the acceleration coefficient; and updating the state of each stage of the curve planning according to the time nodes. In combination with the continuous characteristics of the second-order derivative of the trigonometric function, an S-curve planning with continuous jerk is designed, which effectively reduces the motion impact, ensures the stable time in place, and is simple to operate.

The utility model discloses a high temperature resistant pressure vessel, relates to pressure vessel field, including container body, the front center of container body is provided with the switch pipeline, the upper, lower, left and right both sides of switch pipeline inner wall front side all are provided with the moving groove, the one side of each of the four moving groove inner wall is provided with the sliding groove, the sliding groove is provided with the sliding groove. By arranging the transmission mechanism, the sealing mechanism and the like, the sealing performance of equipment is improved, the problem that a gap between a sealing gasket and a container cover is enlarged after a traditional high-temperature-resistant pressure container is opened and closed for multiple times is solved, the sealing performance of the equipment is improved, and the service life of the equipment is prolonged. According to the invention, the leakage of the medium in the equipment is prevented, the potential safety hazard during the use of the equipment is reduced, the problem of serious consequences such as fire or explosion possibly caused by the reduction of the leakproofness of the traditional equipment is avoided, and the use effect of the equipment is greatly improved.

The purpose of the present invention is, in a battery-mounted vehicle drive system, to ensure required drive performance while protecting a drive device for driving drive wheels. The drive system is provided with: a right front unit that drives a drive wheel by means of discharge power from a battery pack; a right rear unit that drives a drive wheel by discharge power from the battery pack; a sensor that detects the temperature or current of the right front unit and outputs a first detection value; a sensor that detects the temperature or current of the right rear unit and outputs a second detection value; and an ECU configured to execute a first suppression control for suppressing discharge power from the battery pack to the right front unit on the basis of the first detection value, and a second suppression control for suppressing discharge power from the battery pack to the right rear unit on the basis of the second detection value. The ECU executes the first suppression control and the second suppression control independently of each other.

The utility model relates to the technical field of brake pad treatment, and discloses a passenger car brake pad steel backing surface treatment device which comprises a shell, a partition plate is connected between the inner walls of the shell, a feeding air cylinder is connected to the bottom end of the partition plate, and the output end of the feeding air cylinder penetrates through the partition plate and is connected with a push plate. A loading platform is rotatably arranged at the top end of the push plate, a placing frame is connected to the top end of the loading platform, and a downward pressing air cylinder is connected to the top end of the shell. Through the arrangement of the placing frame, the back faces of a plurality of brake pads can be polished at the same time, the working efficiency is improved, meanwhile, impurities generated during polishing are recycled through the recycling mechanism, the hardness to the environment is effectively avoided, driving is conducted through the principle of an electronic stator and a rotor, the driving effect of overall rotation is kept, and the service life of the brake pads is prolonged. And meanwhile, a good heat dissipation effect is achieved, and feeding and discharging are convenient through rotation of the loading platform.

The invention discloses a floating type photovoltaic platform and an offshore wind regulation driving motor set, and relates to the technical field of photovoltaic platforms, the floating type photovoltaic platform comprises four mounting plates, steering cavities are formed in the front portions of the right sides of the interiors of the four mounting plates, and first bevel gears are rotationally connected to the upper sides of the inner walls of the four steering cavities; by arranging the fixing mechanism, the assembling mechanism, the damping mechanism and the like, assembling and disassembling by workers are facilitated, then overhauling by the workers is facilitated, the damping function of the equipment is guaranteed, the problem that traditional equipment is inconvenient to operate during assembling and disassembling is solved, the overhauling difficulty of the workers during equipment use is reduced, and the working efficiency of the workers is improved. The equipment maintenance time is shortened, the use efficiency of the equipment is improved, the problems that traditional equipment is not provided with a damping structure, and the equipment is likely to be damaged due to collision during use are solved, the stability of the equipment is improved, the service life of the equipment is prolonged, and the use effect of the equipment is greatly improved.

The application belongs to the technical field of paint production equipment, and discloses a mixing mechanism for producing paint, a rack, a storage cylinder, a mixing box and a material control assembly. The rack has an installation space inside, the storage cylinder is arranged in the installation space, and the inside of the storage cylinder has a plurality of storage cavities along the circumference thereof. The mixing box is arranged in the installation space and located at the bottom of the storage cylinder. The material control assembly comprises a material control plate located at the bottom of the storage cylinder and a driving member arranged on the rack. The material control plate has a material dropping opening, the material dropping opening is provided with a material guide pipe in communication with the feed port of the mixing box, and the driving member is connected to the material control plate and used for driving the material control plate to rotate, so that the material dropping opening is in communication with different storage cavities, thereby realizing storage of a plurality of raw materials on one hand, reducing the area occupied by the plurality of storage cavities on the other hand, reducing the required floor area of the mixing mechanism, and improving the space utilization of the factory area.

The utility model discloses a steel pipe bending machine which comprises a driving mechanism and a bending mechanism. The driving mechanism comprises an upper driving roller, a lower driving roller, a first cylinder, an upper mounting base and a lower mounting base, the upper driving roller is mounted on one side of the upper mounting base, the lower driving roller is mounted on one side of the lower mounting base, the upper driving roller is located above the lower driving roller, the first cylinder is connected with the upper mounting base, and the first cylinder is used for driving the upper mounting base to be close to or away from the lower mounting base. The bending mechanism comprises a first motor, a base, a first abutting piece and a second abutting piece, the output end of the first motor is connected with one side of the base, the first abutting piece is located on the side, away from the first motor, of the base, and the rotating center of the first abutting piece coincides with the rotating center of an output shaft of the first motor; the second abutting piece is arranged at the end, away from the first abutting piece, of the base, and a steel pipe can pass through the space between the first abutting piece and the second abutting piece. According to the steel pipe bending machine, the friction force of the driving roller to a steel pipe can be increased.

The invention discloses a test torque test device for axle box bearing of a railway train, comprising a test bench and a base, a mandrel is rotatably arranged on the test bench, a test station for installing a bearing to be tested is formed between the test bench and the mandrel, an axial force loading platform for applying an axial force is arranged on both sides of the mandrel, at least two loading cylinders for applying an axial load are arranged between the base and the test bench, the tail of the loading cylinder is rotatably connected to the base, a swing rod is arranged at the output end of the loading cylinder, connecting rods are rotatably arranged at both ends of the swing rod, the other end of the connecting rod is rotatably connected to both sides of the test bench, and a load sensor is connected to the connecting rod. It has a simple structure, can perform torque test more accurately, reduce the influence of holding back force, and has a good use effect.

The invention discloses a large follow-up momentum driving half shaft oil seal and a hard off-road vehicle front integral type steering drive axle, and belongs to the technical field of hard off-road vehicle steering drive axles. The half-shaft inner oil seal mainly comprises a half-shaft inner oil seal body, the half-shaft inner oil seal body comprises a first elastic supporting piece, one end of the first elastic supporting piece is provided with an oil-proof lip used for being matched with a driving half shaft in a sealing mode, an elastic assembly capable of providing pre-tightening force is arranged in the oil-proof lip, and an inner framework is arranged in the turning position of the end, close to the oil-proof lip, of the first elastic supporting piece. The other end of the first elastic supporting piece is fixedly connected with an outer framework. Through cooperation of the half-shaft inner oil seal and the half-shaft outer oil seal, the elastic deformation stroke of the axle housing welding assembly and the driving half shaft by 3 mm or above under the working conditions of limit leap of a hard off-road vehicle and the like is achieved, the problems of lip abrasion and breakage caused by insufficient eccentricity of a traditional oil seal are effectively solved, and it is guaranteed that the sealing effectiveness can still be maintained after limit off-road.

The invention belongs to the technical field of hydraulic chain cutting, and particularly relates to an efficient hydraulic chain cutter with a high-hardness alloy tool bit, which comprises a chain cutting table, hydraulic cylinders, a base, a multi-channel hydraulic drive mechanism and a pressure zone type cooling mechanism, the hydraulic cylinders are symmetrically arranged on the side wall of one end of the chain cutting table, and the base is arranged on the bottom wall of one end, far away from the chain cutting table, of each hydraulic cylinder; the multi-channel hydraulic drive mechanism is arranged on the upper wall of the chain cutting table, the pressing area type cooling mechanism is arranged on the multi-channel hydraulic drive mechanism, and the multi-channel hydraulic drive mechanism comprises a liquid pushing mechanism, a shearing mechanism and a liquid conveying mechanism. The efficient hydraulic chain cutter with the high-hardness alloy tool bit has the capacity of cooling hydraulic oil used in the long-time shearing operation process, the transmission performance of the hydraulic oil is guaranteed, and the hydraulic oil participating in driving operation can be cooled.

The present invention discloses an automatically switchable photovoltaic power generation device, including a photovoltaic panel frame and a photovoltaic panel bracket, wherein a photovoltaic panel is arranged in the photovoltaic panel frame, a reset reel is arranged on the rear side of the photovoltaic panel frame, and a roll film is wound in the reset reel, a driving mechanism is arranged on the upper side of the photovoltaic panel frame, which is used to pull the roll film to unfold it on the upper surface of the photovoltaic panel, a liquid sensor and a controller are also arranged on the upper side wall of the photovoltaic panel frame, two induced draft brackets are symmetrically arranged on the front side of the photovoltaic panel frame, and an induced draft hood is arranged between the two induced draft brackets, and a plurality of power generation brackets are also arranged on the front side of the photovoltaic panel frame. The present invention relates to the field of photovoltaic power generation technology, and the photovoltaic power generation device can automatically switch the power generation mode and continuously perform compensatory power generation in windy and rainy weather to ensure that the photovoltaic power generation device is always in working condition.

The utility model provides a motor gear direct drive structure, which is used for driving a module connecting rod to move and comprises a motor shell, an output gear and a module driving gear, a rotor is arranged at the center in the motor shell, a driving gear is arranged on the rotor, and the output gear is in transmission connection with the driving gear through a transmission gear assembly arranged in the motor shell; an opening is formed in the side wall of the side, close to the output gear, of the motor shell, one side of the module driving gear extends into the opening and is in meshed connection with the output gear, a transmission rod is eccentrically arranged on the surface of one side of the module driving gear, a movable opening is formed in one end of the module connecting rod, and the transmission rod is embedded in the movable opening. The module driving gear rotates and drives the module connecting rod to stretch out and draw back through eccentric matching of the transmission rod and the module connecting rod, loss between transmission structures is smaller, the motor driving performance is guaranteed, and meanwhile the size and the longitudinal height are reduced.

The utility model relates to a segment code LCD display structure. The segment code LCD display structure comprises a substrate, a conduction assembly and a wire harness assembly, the substrate comprises a first glass plate and a second glass plate, the first glass plate is arranged on the second glass plate, the conduction assembly comprises a first metal terminal, a second metal terminal, a first driving pin and a second driving pin, the first metal terminal is arranged on the first driving pin, and the second metal terminal is arranged on the second driving pin. The second metal terminal is arranged on the second driving pin, the first driving pin is arranged on the first glass plate, and the second driving pin is arranged on the second glass plate; the wire harness assembly comprises a first wire and a second wire, the first wire is electrically connected with the first driving pin, and the second wire is electrically connected with the second driving pin. According to the scheme provided by the invention, the mode of setting conductive points can be replaced, and the driving capability of the COMMENT signal is maintained, so that the normal display of the display pattern is ensured.

The patent discloses a chassis system, a cutter system and a mower. The chassis system comprises a front wheel unit with a differential and a driving motor, and a power / non-power rear wheel steering unit which is rapidly switched through a quick switching interface to quickly complete the mode switching of the flat mode and the off-road mode. The task cutters are arranged in a triangular shape, two groups are arranged in front of the vehicle, and one group is arranged under the chassis, which greatly increases the sweeping area during single operation and improves the operation efficiency of the whole machine. All the task cutters have a unified cutter holder, the cutter holder is provided with a unified interface rotating shaft, and the cutter hanger is lifted by an electric push rod to realize the quick replacement of different task cutters. The electric mower can meet different operation requirements through the quick replacement of the task cutters. The novel mower realizes downward compatibility and is suitable for multiple terrains and multiple tasks. The compatible design greatly reduces the types of equipment and reduces the investment and maintenance cost of users.

The utility model discloses a diesel engine monorail crane for underground coal mining, which comprises a driving part, the top of the driving part is provided with a moving mechanism, the moving mechanism comprises a mounting seat, a driving shaft, a driving wheel, a supporting seat and a track, the outer side of the mounting seat is provided with a connecting mechanism, one end of the connecting mechanism is provided with a hoisting mechanism, and the other end of the connecting mechanism is provided with a lifting mechanism. A first cleaning mechanism is arranged on the side wall of one side of the supporting seat; the first cleaning mechanism comprises a mounting bracket, a driving motor, a brush roller and a material guide sliding table, and a second cleaning mechanism is arranged on the outer side of the supporting seat; the surface of the driving wheel is subjected to rolling brush cleaning through the first cleaning mechanism, coal slag and coal ash scattered on the rail are cleaned through the second cleaning mechanism, the driving effect of the driving wheel is guaranteed, damage to the surface of the driving wheel is avoided, manual cleaning of the rail and the driving wheel is replaced, the coal mining operation efficiency is improved, and the labor intensity of workers is reduced. And therefore, the practicability and functionality of the monorail hoist are improved.

The invention discloses a dual-mode single-pin power supply communication multiplexing interface circuit and a test method, and the circuit comprises a main control module which is used for outputting a first control signal, a second control signal, a coding signal, an enabling signal, and a packaging selection signal; the programmable pin driving circuit is used for generating a first adjustable voltage signal according to the first control signal, outputting the first adjustable voltage signal to the chip to be tested and generating a second adjustable voltage signal according to the second control signal; the communication / power supply multiplexing pin driving circuit is used for enabling transmission of the coded signal according to the enable signal, generating a modulation signal according to the coded signal and a second adjustable voltage signal, selecting a path signal from the modulation signal and a fixed level according to a packaging selection signal, and transmitting the path signal to the communication / power supply multiplexing pin driving circuit; and coupling the path signal with a reference voltage and then outputting a multiplexing signal to a power supply communication multiplexing pin of the chip to be tested. According to the circuit and the test method, the universality, the reliability and the test efficiency of the test system are improved.

This invention discloses a highly stable elevator safety clamp, relating to the field of elevator safety device technology. When the safety clamp operates, the push rod first pushes the entire slider device, and the secondary drive block and the primary drive block slide until the primary drive block abuts against the primary brake block. Then, the primary drive block pushes the primary brake block to slide along the guide rail until the primary brake block abuts against the guide rail. At this time, the spring gradually compresses, and the friction between the primary brake block and the guide rail increases, completing the first braking action and causing the elevator to gradually decelerate. Next, the secondary drive block continues to slide until it abuts against the secondary brake block and pushes it against the guide rail. Subsequently, the secondary brake block abuts against the guide rail and produces a braking effect, thus completing the second braking action. This divides the entire braking process of the safety clamp into two parts, which buffers the entire braking process, reduces inertia, and improves the safety performance of the elevator.

The application relates to a combined transport track, and belongs to the technical field of carrier transportation. The application specifically comprises a transverse track for transporting carriers, a longitudinal track for transporting carriers, an arc-shaped docking track for connecting the transverse track and the longitudinal track, a bird hook driving device arranged on one side of the transverse track and the longitudinal track and capable of loading or releasing the carriers, and a brush driving device arranged on one side of the arc-shaped docking track; the bird hook driving device drives the carriers to transport on the transverse track and the longitudinal track, and the brush driving device drives the carriers to transport on the arc-shaped docking track. The bird hook driving device pulls the carriers to transport on the transverse track and the longitudinal track, so that the heavy carriers can be transported on the transport track; the brush driving device pushes the carriers to transport on the arc-shaped docking track, so that the driving effect of the heavy carriers on the arc-shaped docking track is ensured.

The utility model relates to the technical field of food extraction and detection, and discloses a fast food extraction device which comprises a filter cartridge used for fast food extraction and filtration, and the filter cartridge comprises a first filter cartridge body and a cleaning cartridge body arranged outside the first filter cartridge body in a sleeving mode. An inner wall cleaning assembly used for cleaning grease on the inner wall of the first filter cylinder is arranged between the first filter cylinder and the cleaning cylinder, the inner wall cleaning assembly comprises a cleaning ramp pipe, a magnetic fluid, a coil and a conveying part used for conveying the magnetic fluid, and the cleaning ramp pipe is distributed on the outer circumferential wall of the first filter cylinder in a spiral structure; the coils are distributed on the outer circumferential wall of the cleaning ramp pipe on the inner wall of the cleaning barrel. The magnetic field penetrates through the cylinder wall to act on grease, direct contact with food in the filter cylinder is not needed, the risk that the food is polluted by a cleaning medium is fundamentally eradicated in a non-contact cleaning mode, and the device is suitable for food detection and high-end food processing scenes with extremely high safety requirements.

The utility model provides a vehicle-mounted camera module and a vehicle, the vehicle-mounted camera module of the utility model is arranged in an installation space at a vehicle ceiling, and the vehicle-mounted camera module comprises a sliding assembly, a driving assembly and a camera; the sliding assembly is slidably arranged in the mounting space, the camera is arranged on the sliding assembly, and the driving assembly is in transmission connection with the sliding assembly; under the driving of the driving assembly, the sliding assembly can drive the camera to slide up and down, so that the camera descends into the vehicle from the opening in the bottom of the mounting space or ascends into the mounting space from the opening. According to the vehicle-mounted camera module provided by the utility model, by utilizing the telescopic design of the camera, a convex hull structure can be prevented from existing at the ceiling, the delicate perception of the appearance of the ceiling can be improved, passengers can be prevented from being collided, and the vehicle quality and the market competitiveness can be improved.