25results about How to "Efficient drive" patented technology

The invention belongs to the technical field of synthesis of 2, 3-dipicolinic acid, and relates to a catalyst for synthesizing 2, 3-dipicolinic acid as well as a preparation method and application thereof, the catalyst is prepared from a carrier, and active components and auxiliaries loaded on the carrier; the carrier is boron nitride modified aluminum oxide, the active component is palladium-cobalt bimetal, and the auxiliary agent is magnesium; the catalyst comprises the following components in percentage by mass: 0.2 wt%-3wt% of palladium, 0.5 wt%-4wt% of cobalt, 0.05 wt%-0.3 wt% of magnesium, 5wt%-15wt% of boron nitride and the balance of an aluminum oxide carrier. The catalyst is prepared by adopting an ultrasonic-assisted sol-gel method, so that high dispersion and strong interaction of active components are realized. The catalyst shows high catalytic activity, high selectivity and excellent stability in a dichloropyridine carbonylation reaction, carbon monoxide is used as a carbonyl source, the atom economy is high, and the green chemical requirement is met.

The utility model discloses a swing leaf structure of air conditioner cabinet, including swing leaf body still include the extension plate of swing leaf body one end end part, be provided with swing leaf drive subassembly on the fixed extension plate, swing leaf drive subassembly includes drive block, crank and bolt, drive block is fixed on the extension plate, and drive block is provided with the drive hole parallel to swing leaf body length direction and the pinhole perpendicular to drive hole, and drive hole is communicated with pinhole, one end of crank is provided with the radial extension lock hole, and the other end of crank is equipped with the axial extension motor connecting hole, and crank inserts drive hole, and lock hole is aligned with pinhole, and the plug -in cooperation is formed to bolt and lock hole and pinhole. The relative position of swing leaf and crank is effectively fixed, and swing leaf and crank connection stability, can not happen other relative motion, effectively strengthened the assembly intensity between swing leaf and crank, makes crank can steady drive swing leaf operation, and the clearance between swing leaf and face frame can not change, ensures the stability of air conditioner swing leaf operation.

The invention discloses a control method for operation equipment and a related device, and relates to the technical field of operation equipment. The control method comprises the following steps: determining a driving path and a target end point based on environment information collected by operation equipment; determining a first distance between the current position of the operation equipment and the target end point; based on a comparison result between the first distance and a preset threshold value, adopting a first control strategy or a second control strategy to drive the operation equipment to move, wherein under the condition that the first distance is greater than the preset threshold value, path tracking is carried out along the driving path by adopting the first control strategy; and under the condition that the first distance is smaller than or equal to the preset threshold value, switching to the second control strategy to enable the operation equipment to move to the target end point. According to the invention, the operation precision of the unmanned forklift in a complex outdoor scene can be improved.

The utility model belongs to the technical field of cuttlefish hatching devices, and particularly relates to a sepiella maindroni seaborne hatching device which comprises a net cage incubator, the net cage incubator is composed of a frame and a net bag, an inverted-L-shaped connecting base is fixedly installed at the top of the net cage incubator, and an electric push rod is fixedly installed on one face of the connecting base. A hollow fixed cylinder is fixedly mounted on one side of the mesh cage incubator, and liquid is stored in the fixed cylinder; when the sepiella maindroni fertilized eggs are hatched, the sepiella maindroni fertilized eggs are quickly sprayed to the mesh cage incubator through the through holes in the fixing frame, so that the fish schools are driven, the sepiella maindroni fertilized eggs are prevented from being ingested by the peripheral fish schools, normal hatching of the sepiella maindroni fertilized eggs is guaranteed, and hatching efficiency is improved.

This invention relates to a microfluidic chip driven by acoustically excited droplet-shaped microbubbles and its fabrication process. A droplet-shaped microbubble array is obtained through microfluidic chip structure design. Under acoustic excitation, the microbubbles oscillate, generating asymmetric acoustic-flow vortices, which in turn directionally drive the microfluidic fluid within the microchannels. The flow rate can be linearly controlled by adjusting the driving voltage, offering advantages such as non-contact, pollution-free, and highly efficient directional driving. The fabrication process is based on MEMS technology, employing nitrogen plasma bonding and soft lithography, resulting in low cost and suitability for mass production. This invention solves the problem of the lack of directionality in traditional symmetrical acoustic-flow vortices and can be widely applied in fields such as biomedicine, drug delivery, and chemical analysis.

The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on time division multiplexing switch array, it is related to LED digital tube driving technical field.The application discloses a kind of digital tube driving systems based on

The utility model relates to the technical field of cleaning supplies, in particular to a portable water squeezing mop which comprises a main rod, a holding and pressing mechanism fixed on the main rod and a transmission mechanism located on the main rod, a sliding block is connected between the holding and pressing mechanism and the transmission mechanism in a pivoted mode, and the sliding block is connected to the main rod in a sliding mode. The holding and pressing mechanism comprises a positioning rod pivoted to the main rod, an auxiliary rod pivoted to the main rod, a horizontal grab handle pivoted between the positioning rod and the auxiliary rod and a first transmission rod pivoted to the end of the horizontal grab handle, and the end, away from the horizontal grab handle, of the first transmission rod is pivoted to the sliding block. The positioning rod, the auxiliary rod and the horizontal grab handle form a parallelogram relation relative to the main rod; the first transmission rod and the auxiliary rod form an axial symmetry relation. According to the portable water squeezing mop, the mechanism of the grab handle is optimized, the pressing distance is short, the squeezing force transmission effect is good, the overall structure is compact, the occupied space is small, storage is convenient, more labor is saved and comfort is achieved when the mop is used, and the water squeezing effect is effectively improved.

A paddy field wheel directly driven by a motor is provided with a steering motor (1), a motor frame (2), a paddy field wheel (3), a paddy field frame (4), a paddy field surface (5) and seedlings (6). A moving motor (21) and a motor reduction gearbox (22); and a shaft (31). The paddy wheel (3) is in an outwards-protruding dinner plate shape, the motor frame (2) is of a Z-shaped structure, the motor reduction gearbox (22) driven by the moving motor (21) is placed in an inwards-concave plate of the paddy wheel (3) and directly drives the paddy wheel (3), and the moving motor (21) is located on a shaft of the paddy wheel (3). The steering motor (1) is located above the motor frame (2) and drives the paddy wheel (3) to rotate so as to drive the paddy vehicle to steer. The paddy field vehicle is directly driven by the motor and the reduction gearbox, the reliability is good, and the driving chain is short. The paddy field vehicle wheels advance among the seedlings, the motor and the reduction gearbox can effectively avoid the seedlings, and the seedling survival rate is increased.

This invention relates to the field of motor technology and discloses a high-power-density permanent magnet motor for unmanned aerial vehicles (UAVs). The motor includes a stator with a winding section and a frequency conversion section. The winding section is arranged in a ring array around the center of the stator, allowing for different coil combinations on a single winding. The winding section includes slots A, B, and C. Slot A is located on the inner wall of the stator, while slots B and C are located on the stator itself. The inner wall of the stator also has inlet holes A, B, and C. Inlet holes A and B communicate with slot A, and inlet holes B and B communicate with slot B. The motor employs a wide-range speed control to adapt to UAV operating conditions, featuring a six-speed adjustment function. The rated speed ranges from 8 r / min (8 Hz) to 48 r / min (48 Hz), and the speed ratio can reach 1:8 during weak field operation. This allows for precise matching of the power requirements of different stages of UAV operation, such as takeoff, cruise, and high-speed flight, achieving full operating condition coverage without motor replacement.

The utility model provides a kind of solid-liquid separation device of filter residue system, including rack, rotary filter drum and spiral extruder, the rotary filter drum is installed in the inside of the rack, the spiral extruder is installed in the bottom of the rack, the inner wall of the rotary filter drum is equipped with spiral propeller blade, the propelling direction of the spiral propeller blade is opposite with the propelling direction of the spiral extruder, the discharge port of the rotary filter drum is located above the feed inlet of the spiral extruder, the feed inlet of the rotary filter drum is located above the tail end of the spiral extruder.The device makes rotary filter drum and spiral extruder as the hierarchical structure of upper and lower two layers install on rack, avoid because two vertical intersection setup and occupy too much three-dimensional space, while having rotary filter drum primary screening function and the depth solid-liquid separation structure of spiral extruder, still can reduce the overall space occupation of the device.

The invention provides a vehicle seat capable of compactly arranging a driving device for switching a seat cover. A vehicle seat (S1) is provided with: a seat cover (30) that switches between a state in which the seat cover (30) is housed in a seat back (2) and a state in which the seat cover (30) is expanded toward the front side of the seat back and covers the head of a seated person; a drive device (70) for switching the seat cover; and a rotating bracket (80) connecting the seat cover and the driving device. The seat cover (30) is provided with a canopy (31) and a seat cover frame (32) for supporting the canopy. The drive device (70) has a drive member (71) and a drive shaft (72) that connects the drive member and the rotating bracket and serves as a shaft of the rotating bracket. The rotating bracket (80) supports the lower part of the seat cover frame (32) and rotates along with the driving of the driving component (71). At least a portion of the drive member (71) is disposed between an inner end portion and an outer end portion of the turning bracket (80) in the seat width direction.

The invention discloses an eurytopic chlamydomonas reinhardtii expression vector based on a PSAD promoter and a 3 * Flag tag as well as a construction method and application of the eurytopic chlamydomonas reinhardtii expression vector. The nucleotide sequence of the eurytopic chlamydomonas reinhardtii expression vector is shown as SEQ ID No.1; the vector comprises a PSAD promoter, a target gene insertion site EcoR V, a 3 * Flag tag at the 3'terminal, an rbcS2 terminator, a TUB2 promoter, a hygromycin B screening gene and an rbcS2 terminator. The construction method comprises the following steps: constructing a skeleton of a pHyg-PSAD-3Flag vector; constructing a sequence fragment fused with a 3 * Flag tag; and connecting the sequence fragment fused with the 3 * Flag tag with a plasmid skeleton fragment through T4 DNA (deoxyribonucleic acid) enzyme so as to construct the pHyg-PSAD-3Flag vector. According to the invention, the expression plasmid of the chlamydomonas pHyg-PSAD-3Flag can be used for efficiently screening algae strains capable of stably expressing target protein.

The invention relates to the technical field of nanometer materials, in particular to a nanometer material production on-line particle size regulation and automatic detection device which comprises a shell I, a shell II and a shell III, a screening barrel I, a screening barrel II and a screening barrel III are arranged in the shells respectively, screening holes with gradually increased hole diameters are evenly distributed in the bottoms of the screening barrels, and the screening barrels are arranged in the shell I, the shell II and the shell III. A spiral conveying mechanism and an automatic cleaning mechanism are arranged in the machine body. The conveying mechanism is uniformly driven by the synchronous driving mechanism, and continuous conveying, stirring and multi-stage screening of the nanometer materials are achieved. The device has the beneficial effects that through combination of mechanical multi-stage screening and automatic cleaning, the problems that nano materials are prone to agglomeration, screening is prone to blockage and particle size detection is inaccurate are effectively solved, online, continuous and automatic regulation and control and detection of the particle size of the nano materials are achieved, and the production efficiency and the screening precision are improved.

The application belongs to the technical field of biological detection, and aims at solving the single color change mode and poor sensitivity of the current ELISA kit, and provides CMO nano-oxidase, a CMO-OVA-MC-LR probe, a kit, a preparation method and application thereof.The CMO nano-oxidase is a raspberry-shaped Co-doped Mn3O4 oxidase, the nano-oxidase is a two-heterojunction CMO of Co3O4 and Mn3O4 synthesized by one-pot hydrothermal method, and the particle size is 110-140 nm.The detection limit of the enzyme-linked immunosorbent kit constructed by the application for microcystin LR (MC-LR) is 0.505 ng / mL, and the quantitative range is 0.195-100 ng / mL.Benefiting from the strong catalytic activity and good biocompatibility of the nano-enzyme, the label and signal response mode open up a new way for the sensitivity improvement of the immunosensor determination, and are conducive to further expanding the application of the immunosensor.

This invention provides a control circuit and an image sensor. The control circuit includes at least one control group. The control group includes an nth control unit and an mth control unit, corresponding to the nth row of pixel units and the mth row of pixel units, respectively. Each control unit includes a first control module. Within the control group, the first control module in the i-th control unit operates in a first stage and, under the control of the n-th row address signal and the m-th row address signal, generates an overflow switch control signal for the i-th row based at least on a mode enable signal. Here, n and m are both natural numbers greater than or equal to 1, and i is either n or m. The control circuit and image sensor provided by this invention solve the technical problem of the lack of an effective driving scheme for dual-mode LOFIC pixel structures in the prior art.

The application relates to a carbon nanotube substrate paper spray ionization system and method for monitoring active intermediates and chemical bond construction in situ, which comprises a reaction-ionization integrated substrate unit, a high-voltage electric field application unit and a mass spectrum real-time detection unit. The reaction-ionization integrated substrate unit comprises a multi-walled carbon nanotube film substrate, and the multi-walled carbon nanotube film substrate is used as a core working electrode. The multi-walled carbon nanotube film substrate is a self-supporting structure and is in the shape of an isosceles triangle. The high-voltage electric field application unit is electrically connected with the multi-walled carbon nanotube film substrate of the reaction-ionization integrated substrate unit. The high-voltage electric field application unit comprises a high-voltage power supply. The mass spectrum real-time detection unit comprises a mass spectrometer. The sampling inlet of the mass spectrometer is opposite to the top corner vertex of the multi-walled carbon nanotube film substrate. Compared with the prior art, the carbon nanotube substrate with high conductivity and large specific surface area is used to replace the traditional paper substrate, and a monitoring-driving-synthesis integrated paper spray ionization platform is constructed.

The utility model relates to the technical field of air spring manufacturing, in particular to an air spring forming machine. The automatic feeding device comprises a feeding mechanism, wherein the feeding mechanism comprises a tool trolley used for feeding; the cutting device comprises a belt type conveying mechanism used for receiving materials supplied by the tool trolley and a cutter assembly used for cutting the materials on the belt type conveying mechanism. And the feeding template comprises a template frame, two feeding conveying belts which are distributed up and down are arranged on the template frame, the two feeding conveying belts slide along the corresponding rails respectively, an intersection point is formed between sliding tracks of the conveying tail ends of the two feeding conveying belts, and the intersection point is located on the outer edge of the forming drum. The air spring forming machine has good air spring forming efficiency, the layout of the air spring forming machine is adjusted, and the horizontal space occupied by the air spring forming machine is reduced as much as possible.

The utility model relates to a humanoid sweeping robot, and relates to the technical field of sweeping robots. The humanoid sweeping robot comprises a head assembly used for recognizing the surrounding environment, an abdomen assembly used for collecting sundries and having a display function, a left arm assembly used for sucking the sundries, a right arm assembly used for sweeping and a walking assembly used for walking, and the head assembly is arranged above the abdomen assembly; the left arm assembly is connected to the left side of the belly assembly through a left large arm, the right arm assembly is connected to the right side of the belly assembly through a right large arm, the walking assembly is arranged below the belly assembly, the sweeping robot establishes environment information around the robot through a camera and a sensor, and then the robot cleans a room through a set program. And sundries are sucked.

The application discloses a kind of high-efficiency power split driving system, including driving motor reduction gear set, planetary row, speed regulating motor reduction gear set, planet carrier locking execution mechanism, speed regulating motor locking execution mechanism, power output shaft;Planetary row connects engine and power output shaft, can respectively transmit the power of engine to speed regulating motor and gearbox;Driving motor reduction gear set connects driving motor, for pure electric drive power and kinetic energy recovery power transmission path, realize engine power and driving motor power parallel coupling;Speed regulating motor reduction gear set connects speed regulating motor, provides power transmission path for speed regulating motor, adjusts driving motor rotating speed;Planet carrier locking execution mechanism can lock planet carrier;Speed regulating motor locking execution mechanism can lock speed regulating motor.The application can realize engine power efficient split and hybrid power drive.

The embodiment of the application provides a vehicle induction data generation method, comprising: generating a plurality of map feature data of a target road section according to map data of the target road section, a plurality of vehicle behavior data and a plurality of traffic flow interaction data; determining a map feature data set of each vehicle behavior data according to a mapping relationship between each vehicle behavior data and each map feature data, wherein each map feature data set comprises a plurality of map feature data; and performing matching on the map feature data set of each vehicle behavior data and the map data of the target road section to generate target vehicle induction data of the target road section. The embodiment of the application provides a vehicle induction data generation method, device and electronic equipment, which can generate vehicle induction data to improve the accuracy of the map, thereby improving the humanized driving function of the autonomous vehicle.

This application relates to a hybrid power coupling system and vehicle, belonging to the field of hybrid technology. It includes a front power module and a rear power module. The front power module includes an engine, a front-mounted electric motor, a transmission, and a transfer case. Both the engine and the front-mounted electric motor are connected to the transmission, which transmits power from the engine and / or the front-mounted electric motor to the transfer case. The rear power module includes a driveshaft, a rear-mounted electric motor, and a reduction gear. The driveshaft is connected to the transfer case, and the reduction gear connects the driveshaft and the rear-mounted electric motor. The transfer case connects or disconnects the power transmission from the transmission to the driveshaft. This application adds a rear-mounted electric motor after the transfer case, enabling switching between four-wheel drive and rear-wheel drive modes via the transfer case. The rear-wheel drive mode has a lower load and higher power output efficiency compared to the front-wheel drive mode.

The utility model relates to a hydraulic electromagnetic valve coil driving circuit which comprises a PWM control signal input end, a sampling resistor R7, a first voltage comparator U1, a second voltage comparator U2, an MOSFET G1, an electromagnetic valve coil K1 and a pull-up resistor R3. An MOSFET is adopted as a switching element, driving is efficient, no mechanical contact exists, U1 receives a PWM signal to control on-off of the MOSFET, U2 detects current abnormity and then feeds back the current abnormity to U1, closed-loop control is formed, and short-circuit protection can be achieved.

The invention discloses a multifunctional driving device for a spacecraft, which belongs to the technical field of photon driving and comprises laser transmitters arranged in an array mode, a supporting seat is arranged at the bottom of each group of laser transmitters, a movable seat is movably arranged at the top of each supporting seat, and a fixed supporting box is fixed at the top of each movable seat. The laser transmitter is stably mounted in the mounting frame through the clamping and fixing assembly, meanwhile, the driving gear is driven by the driving motor to rotate, then the speed of the driving gear is reduced through the gear set, the driven gear is driven to rotate, the driven gear drives the driving shaft to drive the fixing rod to rotate through the connecting plate, and under cooperation of the deflection frame, the laser transmitter is stably mounted in the mounting frame. The installation frame is deflected around the deflection shaft, the angle of the laser transmitter is continuously adjusted, large-angle deflection of the laser transmitter is avoided, it is guaranteed that light beams emitted by the laser transmitter array can be concentrated in a high-precision mode, a spacecraft is tracked, and the spacecraft is efficiently driven.

The utility model relates to the technical field of motor control or adjustment, and especially relates to a stepping motor drive circuit. According to the technical scheme, the five-wire stepping motor closed-loop control circuit comprises an MCU module, a driving module and a detection module, the driving module is connected with the MCU module to receive a control signal and drive a stepping motor, the MCU module is connected with the detection module to read an amplified current detection signal, and the detection module is connected with the MCU module. A voltage signal output by the driving module is transmitted to the detection module for current detection, and the MCU module is further connected with a communication module. The closed-loop control circuit of the five-wire stepping motor solves the problems that in the prior art, a functional frame is complex, not easy to achieve, large in occupied space and difficult to communicate with the outside, and achieves the purposes of being simple, convenient, high in flexibility, high in adaptability, capable of improving the tail end space design flexibility and utilization rate of a mechanical structure and capable of achieving intelligent control.

The utility model discloses a kind of wheel hub motor drive type manned air slide rail car, comprising: frame;Driving component, including with the first mounting plate of fixed connection of the frame, install several driving wheels on the first mounting plate, power box and electric control box driving the driving wheel, several the driving wheel is wheel hub motor, respectively from different directions contact the surface of track;Auxiliary sliding component, including with the second mounting plate of fixed connection of the frame, install several driven wheels on the second mounting plate, several the driven wheel is respectively from different directions contact the surface of track, with several the driving wheel commonly encircle track;Slide rail car handle, with the frame fixed connection;By directly driving driving wheel, traditional transmission component is saved, realize efficient power transmission, multiple driving wheels are symmetrically arranged with angle, closely cover track, form multidirectional contact drive, effectively increase friction and reduce skidding.