36results about How to "Achieve a high degree of control" patented technology

The invention relates to a series of olefin monomer of a polymerisable functional group 8-hydroxyquinoline metal complex, its preparation process and use thereof, wherein the preparation process consists of synthesizing alkene monomers containing 8-hydroxyquinoline through reaction between vinyl compound containing reacting function group with modified 8-hydroxyquinoline, then compounding with metallic ions and 8-hydroxyquinoline.

The invention discloses a novel material catapult device which integrates the belt transmission of a novel structure and a secondary mechanism of the gangue. A rotating tray is utilized to actuate a band conveyor and a catapult roller to swing, which can fill material to the whole cross section of the tunnel. The high-speed rotating of a catapult roller can throw the material fed by a belt upward to reach the top of the tunnel, which avoids that the top of the tunnel has a cavity during the filling process. An oscillating oil cylinder is utilized to actuate the catapult roller to swing left and right, which realizes the maximization of the filling area of the tunnel.

The invention discloses a PoP (Package on Package) automatic stacking system and method. The PoP automatic stacking system comprises a pick-up suction head, a stacking mold base, an image recognition system and a dispensing system, wherein the pick-up suction head recognizes and positions planar circuits through the image recognition system, and fixes the planar circuits to the stacking mold base in a stacking way; and after being dispersed through the dispensing system, the planar circuits are heated and pressed to perform interlayer mounting. The PoP automatic stacking system and method have relatively high extensibility, and can be widely applied to implementation of high-accuracy three-dimensional automatic laminated assembly of various TSOP (Thin Small Outline Package) packaged single-chip devices and planar circuit assemblies. Mechanization of a full set of stacking actions is realized, so that the laminating efficiency, yield and product quality consistency can be increased and improved through stability and accuracy of mechanical equipment. The PoP automatic stacking system and method have very wide application prospects.

The invention relates to an elevator control system with a retina recognition function. The elevator control system comprises a car and a center control mechanism arranged in the car. The center control mechanism comprises a panel and a center control assembly. A displacement adjusting mechanism is in transmission connection with a camera and comprises a height adjusting assembly and a horizontal adjusting assembly. The height adjusting assembly comprises a first motor, a first drive shaft, a first gear and a lifting rod. The horizontal adjusting assembly comprises a transmission frame, a guide unit, a second motor, a second drive shaft and a second gear. A work power source module comprises a work power source circuit. In the elevator control system with the retina recognition function, precise control over the displacement of the camera is achieved through the displacement adjusting mechanism, thus a retina of a user can be precisely collected and recognized, and the practicability of the system is improved. In the work power source circuit, the model of an integrated circuit is M5230L, the integrated circuit is provided with two branches of direct voltages to be output, the applicable range of the work power source circuit is increased, and the practicability of the system is improved.

The invention relates to the field of cloud computing, and discloses aproxy batch updating method and device in a cloud environment, a medium and electronic equipment. The method comprises the following steps: judging whether to start updating of a cloud host proxy according to an updating identifier of a server; if yes, updating the update version information corresponding to the cloud host proxyend in the server in batches according to a preset update strategy, so as to enable the cloud hosts of the corresponding batches to perform proxy end update based on the update version information acquired according to heartbeat detection; receiving update feedback information returned by the cloud hosts of the corresponding batch to judge whether the cloud hosts of the batch are updated by the proxy end or not; and if so, updating the version information of the proxy ends of the next batch of cloud hosts in the server according to a preset updating strategy until all the cloud hosts are subjected to proxy end updating. According to the method, high control over proxy end updating is achieved, the situations of flow rising and storage I/O rising during proxy end updating are avoided, andthe production failure rate of the cloud environment is reduced.

The invention discloses a concentric circular rail type tracking light concentrating device. Illumination horizontal angle sensors are used for detecting the irradiating direction of a light source inreal time. When the irradiating direction of the light source changes and a reflecting focus point deviates from a heat absorber in the horizontal direction, a controller commands reflecting mirrorsto horizontally run to an adjusting mechanism, so that a reflecting mirror array integrally rotates by a certain angle in the horizontal plane and is aligned with the light source again to enable thefocus point to horizontally move to the heat absorber again. A focus point vertical height sensor is used for detecting the height of the formed focus point by the multiple reflecting mirrors in realtime. When the focus point changes along with the irradiation height of the sun to deviate from the heat absorber in the vertical direction, the controller commands a reflecting mirror pitch angle adjusting mechanism to operate and synchronously adjust the pitch angles of all the reflecting mirrors to enable the focus point to vertically move the heat absorber again. The concentric circular rail type tracking light concentrating device enables the focus point to coincide with the position of the heat absorber all the time through real-time adjustment on the focus point in the horizontal direction and the vertical direction.

The invention discloses a preparation method of a three-dimensional broken line nanowire array vertical field effect transistor. The preparation method comprises the following steps: 1), etching a three-dimensional step shape on a patterned substrate by using an etching technology; 2), depositing a dielectric film layer on the substrate etched with the three-dimensional step, performing etching again to expose the heterogeneous side wall near the three-dimensional step, and constructing a guide channel on the heterogeneous side wall by using selective etching; 3), preparing nano-scale catalytic metal particles in a guide channel formed by heterogeneous side walls; 4), depositing and covering an amorphous semiconductor precursor film layer corresponding to the nanowire to be grown on the surface of the whole structure; 5), raising the temperature to convert the nanoscale catalytic metal particles into a liquid state from a solid state in the guide channel, starting to absorb the amorphous layer at the front end, and separating out the broken-line-shaped crystalline nanowire at the rear end; and 6), preparing a short-channel field effect transistor by taking the vertical part of thebroken-line-shaped crystalline nanowire as a channel region and the horizontal part as a source and drain electrode region.

The invention discloses a sample preparation device. supporting rods and a cover plate are arranged at the top end of an upper opening device shell; the upper ends of connecting lines are connected with the supporting rods; film storage bodies and prefabricated slabs are arranged on the connecting lines; an opening is formed in the cover plate; a targeted fracturing wellbore penetrates through the opening and extends into the device shell; a directional perforation plate is arranged at the lower part of the targeted fracturing wellbore; scales are arranged in the circumferential direction of the outer side of the opening; and a pointer is arranged at the top of the wellbore and located over the directional perforation plate. Height control of a hole and seam distribution scheme is achieved by controlling the length of the connecting lines, orientation control of the hole and seam distribution scheme is achieved by changing the position of the connecting lines on the supporting rods and the bottom of the device shell, directional perforation angle control is achieved by pointing to different scales through the pointer, and different seam and hole arrangement modes are achieved. And then the fracture-cavity type carbonate rock targeted fracturing test is carried out, and different influences of different fracture-cavity distribution conditions on fracture initiation and expansion of the targeted fracturing test can be found out.

The invention provides a rapid irrigation and drainage device for a paddy field test plot. The device comprises an inlet pipe assembly and a drain pipe assembly, wherein the inlet pipe assembly comprises a horizontal inlet pipe, an outer side vertical inlet pipe and a right angle bent pipe, and the horizontal inlet pipe, the outer side vertical inlet pipe and the right angle bent pipe are connected to form an 'L' structure; and the drain pipe assembly comprises a horizontal drain pipe, an inner side vertical drain pipe, an outer side vertical drain pipe, an inner side right angle bent pipe andan outer side right angle bent pipe, and the horizontal drain pipe, the inner side vertical drain pipe, the outer side vertical drain pipe, the inner side right angle bent pipe and the outer side right angle bent pipe are connected to form a ' ' structure. When the outer side vertical inlet pipe is rotated to a horizontal position, water in an intake canal is poured into the plot through the inlet pipe assembly, and when the outer side vertical inlet pipe is rotated to a vertical position, the irrigation is stopped; when the outer side vertical drain pipe is rotated to a horizontal position,water in the plot is discharged into a drainage canal through the drain pipe assembly, and when the outer side vertical drain pipe is rotated to a vertical position, the drainage is stopped; by rotating the angle of the inner side vertical drain pipe, the height difference between a pipe orifice of the inner side vertical drain pipe and the field surface is adjusted to achieve the purpose of controlling the height of a water layer in the plot.

The invention discloses a four-station automatic dispenser mechanism and relates to the technical field of automatic dispensing, and the problems that a dispensing mechanism which is used at present realizes the accurate control over the dispensing position mainly through lead screw transmission, and a double-lead-screw control method is complicated in operation step are solved. The four-station automatic dispenser mechanism comprises a base. A rear frame is fixedly arranged on the rear side of the top of the base. A front frame is fixedly arranged on the front side of the top of the base. Synchronous wheels are rotationally arranged on the tops of the rear frame and the front frame through rotating shafts, and four conveying belts are rotationally arranged outside the synchronous wheels on the two sides. The conveying belts are arranged, and therefore the longitudinal position adjusting function of an existing dispensing mechanism is replaced; the longitudinal advancing positions of workpieces can be controlled by controlling the conveying belts, preset and automatic advancing movement of the multiple workpieces can be achieved through the conveying belts, the dual functions of conveying and positioning are provided for the dispensing mechanism, and the rapid control is facilitated.

The invention discloses an accessory disk-wheel tool changing device for processing hardware accessories, relates to the technical field of tool changing for machine tools, and solves the problem that the currently used tool changing device is mainly a disc structure, which is mainly controlled by a servo, and does not have automatic docking and lifting. Problems with control structures. The accessory disk wheel tool changer for hardware accessories processing, including the main assembly pipe, the top of the main assembly pipe is a flange structure; the station frame, the station frame is U-shaped and symmetrical on both sides structure, and the two ends of the station frame turn downwards; through the arrangement of racks, internal ratchet gears and driven gears, the automatic fixed-point control locking function is provided for the tool changer, and the bottom of the V-shaped groove and the self-locking block Matching, by setting the self-locking block and the assembly cylinder, the spring outside the hexagonal shaft is used to generate the self-locking function, and then the control of the angular position of the cutterhead is realized. The cutterhead can be switched and adjusted within 18 angles, and the angle can be adjusted. Perform steering control.

The invention discloses a bamboo product processing system based on the parallel joint principle. The bamboo processing system structurally comprises an equipment body, a processing table, a locatingassembly, a protective cover, a controller, a host machine and a tool cabinet. The host machine is mounted at the right end of the equipment body in a buckled mode. The tool cabinet is arranged at thelower end of the middle portion of the equipment body. The upper end of the equipment body is provided with the processing table. The protective cover is mounted at the right end of the processing table in a buckled mode. The bamboo product processing system based on the parallel joint principle conducts lateral fixing on a workpiece body through the locating assembly. The overall height of a stabilization mechanism is controlled by adjusting height bases according to change of the suspended area of the bottom of the locating assembly to prevent the situation that a product locally vibrates when some thin and weak positions are subjected to finish processing. The smoothness of finish processed grains is improved. The problem of fracturing of the appearance is avoided.

The invention provides a feeding manipulator of a yarn drum covering machine, and belongs to the technical field of textile machinery. The feeding manipulator solves the problem that a feeding manipulator is usually fixed on a beam, causing that the movement of the position is inconvenient. According to the feeding manipulator of the yarn drum covering machine, the yarn drum covering machine comprises a workbench and a bracket, the bracket is located at the upper portion of the workbench, the bracket is provided with a plurality of feeding manipulators, the bracket is further provided with yarn drum frames, the feeding manipulators can transport workpieces into the corresponding yarn drum frames, the bracket is provided with the beam, each feeding manipulator comprises a sliding block, anair cylinder and a clamping jaw, the sliding block sleeves the beam and slides on the beam, the air cylinder is connected with the sliding block, a piston rod of the air cylinder is connected with theclamping jaw, and the clamping jaw can clamp the workpieces. The feeding manipulator of the yarn drum covering machine has the advantage of achieving quick clamping of the workpieces.

The invention discloses a spinning type tracking reflecting light condensing device. The spinning type tracking reflecting light condensing device comprises a horizontal frame and a reflecting mirrorarray, a light condensing tower is additionally mounted, a dual-way driving motor and a speed reducer are arranged on the lower portion of the light condensing tower, a light condensing point positionsensor is mounted on the top end of the light condensing tower, a reflecting mirror vertical angle adjusting mechanism is mounted on the horizontal frame, a controller is connected with above devices, when the irradiating direction of the sun is changed and the light condensing point deviates from a heat absorber, the light condensing point position sensor induces the changes, the controller instructs the dual-way driving motor to operate, the light condensing tower rotates around a rotating shaft, the horizontal frame is driven to rotate to adjust the orientation, or the reflecting mirror vertical angle adjusting mechanism is instructed to adjust the vertical angles of all light reflecting mirrors, the light condensing point is moved to the heat absorber again, through real-time adjusting of the light condensing point in the horizontal and vertical directions, the light condensing point is on the heat absorber on the top end of the light condensing tower all the time, and the photoelectric converting efficiency is improved.

The invention discloses a combined sofa convenient to adjust and fix. The sofa comprises a first sofa seat; a third sofa seat is arranged on the left side of the first sofa seat; a second sofa seat isattached between the first sofa seat and the third sofa seat; a tea table seat is arranged on the front side of the third sofa seat; two second sofa seats are attached between the tea table seat andthe third sofa seat; first side baffles are fixedly connected to the outer side of the first sofa seat, the outer side of the second sofa seats and the outer side of the third sofa seat, a first sofacushion is laid on the upper surface of the first sofa seat, a second sofa cushion is laid on the upper surface of the second sofa seat, and a third sofa cushion is laid on the upper surface of the third sofa seat. According to the combined sofa convenient to adjust and fix, a lifting mechanism can be controlled to work under the action of a driving mechanism, so that the height of a tea table platform is effectively controlled, the working requirement is met, the practicability of the whole mechanism is improved, and the combined sofa is simple in use method and convenient to popularize.

The invention discloses a method suitable for knocking out an Mstn gene of a fertilized egg of culter alburnus and application, and belongs to the technical field of gene editing. The method includes the steps that a knockout reagent is injected into an embryo of the fertilized egg of culter alburnus through a microinjection method to obtain an Mstn gene deletion type culter alburnus model, wherein the knockout reagent comprises sgRNA, Cas9 protein and a phenol red indicator, and the sequence of the sgRNA is shown as SEQ ID NO.1. According to the method, Cas9 protein and sgRNA are directly delivered into fertilized eggs of culter alburnus through microinjection in an RNP form, and the gene editing efficiency is improved. The microinjection method can bypass multiple layers of barriers such as extracellular matrixes, cell membranes and cytoplasm, sgRNA and Cas9 protein are accurately delivered into cell nucleuses or cytoplasm in a most direct mode, and therefore high control over gene editing can be achieved, and the off-target effect is greatly reduced.

The invention discloses a cutting device for a hard rubber plate. The cutting device for the hard rubber plate comprises a rectangular workbench; vertical frames are arranged at the upper end of the rectangular workbench; horizontal frames are arranged between the top ends of the vertical frames; mobile cutting mechanisms are arranged between the horizontal frames; the mobile cutting mechanisms consist of slide grooves, slide seats, vertical telescopic frames, hollow arc shells and cutting components; fastening mechanisms are arranged beside the external sides of the horizontal frames; the fastening mechanisms comprise vertical column bodies, threaded holes, threaded rods, column-shaped grooves, first return springs, moving plates, fastening frames and balls; protective shell mechanisms are arranged in the hollow arc shells; and the protective shell mechanisms consist of arc grooves, arc protective plates, arc through grooves and manual rods.