29results about How to "Low modification cost" patented technology

The invention discloses a method for improving data transmission bandwidth through an FPGA. The method comprises the steps that a data packaging module of a detector main control board sends data to be transmitted to a multi-channel GTP sending end in parallel; the data acquisition card receives the data of the corresponding channels through the multi-channel GTP receiving end and recovers Data and KCOD of each channel; an FIFO read-write control module of the data acquisition card writes data recovered by multiple channels into asynchronous FIFOs corresponding to the channels through write logic, and data buffering is carried out; the FIFO read-write control module simultaneously reads cache data of a plurality of asynchronous FIFOs through read control logic to realize cross-clock domain synchronization of multi-channel data; performing CRC (cyclic redundancy check) and processing on the read multi-channel data to obtain synchronous effective transmission data; and a single-channel GTP is upgraded to a dual-channel GTP or a multi-channel GTP, so that the data transmission bandwidth is improved, and normal operation of the FPGA chip is ensured.

The adsorption type unhooking robot comprises a fixing device and an unhooking mechanical arm, and the fixing device comprises a 3-PRS assembly, an adsorption base assembly, a clamping arm assembly, a worm reducer assembly and a motor lead screw assembly. The device has good adaptability and stability, electronic devices such as an electronic ruler, an ultrasonic distance measuring sensor and a torque sensor are used in the fixing device, and data such as the extending distance of the air cylinder, the distance between the contact block and the corresponding face of the pedal and the clamping force applied to the surface of the pedal by the clamping arm assembly are fed back in real time; convenience is provided for feedback adjustment of the device, and the adaptability of the device is greatly improved. The acting object of the adsorption fixing device is a pedal, and the adsorption fixing device is widely applied to various freight trains and is a standard part, so that the fixing device can adapt to various train types.

The utility model discloses a garbage pool percolate grating plate dredging device which comprises a grating, and a power output mechanism and a dredging executing mechanism are installed on the grating. The dredging executing mechanism comprises a sliding ring, a pushing seat and a pushing head assembly, the pushing head assembly is fixedly installed at the top of the pushing seat, grid holes are formed in the grid, dredging guide rods corresponding to the grid holes one to one are installed in the pushing head assembly, and the sliding ring is arranged on the pushing seat. According to the garbage pool percolate grating plate dredging device, the power output mechanism drives the dredging execution mechanism to do reciprocating motion, a dredging guide rod of the push head assembly dredges a grating, the power output mechanism, the driving dredging execution mechanism and the grating are assembled together through a lead screw and a guide column, the power output mechanism slides up and down on the outer side of the guide column, and the grating is dredged through the dredging execution mechanism. And a stable integral structure is formed, the structure is simple, the refitting cost is low, and automatic control is facilitated.

The application discloses an interactive method for quickly adding a recurring schedule in a waterfall month view. The method involves the following steps: providing a schedule template selector, performing schedule drop, conflict detection and prompt, and differential submission and server verification in the waterfall month view. The application provides a schedule template selector in the user interface, displays a plurality of predefined schedule templates, selects at least one schedule template from them, applies the schedule template to the corresponding date to generate a schedule instance and performs a preview in response to the user's operation on the date grid, performs conflict detection and prompt during the preview, and submits the data to the server in response to the user's submission operation. The application improves the accuracy and efficiency of the interactive operation process of quickly adding a recurring schedule in a waterfall month view, and solves the problems of incoherence, low efficiency and high error rate in the prior art.

This utility model discloses a longitudinal transmission drive pulley for a rice transplanter, belonging to the technical field of rice transplanter accessories. The longitudinal transmission drive pulley of this utility model includes a pulley body, a weed-proof ring on the front end face of the pulley body, and four evenly distributed oblique cutting strips on the front end of the pulley body. This utility model solves the problem that in the actual use of existing rice transplanter pulleys, weeds easily become entangled on the pulley, drive shaft, and adjacent components due to the working environment, affecting long-term operation. This utility model sets the weed-proof ring at the outermost rim. Through the integrally formed weed-proof ring and cutting grooves, when the pulley body rotates, the oblique cutting strips form a rotating cutting surface. Weeds entering the spoke cavity are guided to the top of the oblique cutting strips and cut off as the wheel rotates, preventing weeds from entangled on the spokes and drive shaft, and facilitating adaptation to different working environments.

The application provides a road traffic marking line generation method and device and electronic equipment, and a road spline line of a target road is acquired in advance; a plurality of marking points are included in the road spline line, and the marking points are configured with corresponding marking information; the marking information includes a road position of the generated road traffic marking line and display parameters of the road traffic marking line; the marking information corresponding to the plurality of marking points is read in a preset order, and the road traffic marking line is generated on the target road based on the marking information. In this way, the marking points are set in the road spline line of the target road in advance, and the corresponding marking information is configured for each marking point, the corresponding road traffic marking line can be automatically generated on the target road based on the marking information, the marking line form of the marking line is standardized and unified, the generation efficiency and display effect of the road traffic marking line are improved, and the modification cost of the road traffic marking line is reduced.

The utility model discloses a yarn disc control system, including frame, control unit, yarn disc, driving gear and driven gear, control unit fixedly set up on frame, yarn disc rotatable installation is in on frame, the output shaft of control unit is connected with driving gear fixedly, driven gear is connected with yarn disc, driving gear is engaged with driven gear. This yarn disc control system effectively avoided the problem of yarn disc slip, can stable accurate control yarn disc movement simultaneously, and long service life, and the installation and maintenance are convenient.

The invention provides an agricultural machinery operation breadth automatic measuring and calculating method and device based on a GPS track and a storage medium, and relates to the technical field of agricultural machinery intelligentization. The method comprises the steps of obtaining agricultural machine GPS track data, constructing a running direction angle and an angle difference matrix, classifying track points based on the direction angle and the angle difference matrix, constructing a target track point set, screening effective neighbor points and calculating distances, and forming a distance data list. And carrying out single track point width mean value calculation and track point distribution density weighted mean value calculation to finally obtain an agricultural machine operation width result. The method does not need to additionally install hardware, only depends on the GPS of the agricultural machine, greatly reduces the hardware and modification cost, replaces manual estimation and physical measurement, avoids the problems of personal errors and operation forgetting, improves the measurement and calculation convenience, forms a complete automatic measurement and calculation process, can adapt to different agricultural machines and operation scenes, and is high in universality.

The application discloses a brake control system and method for a multifunctional excavator accessory trailer, which comprises a conventional double-release valve parking brake system, an electromagnetic proportional valve, a vehicle controller, a walking pressure sensor and a hand brake button; the electromagnetic proportional valve is connected in parallel to the air circuit of the double-release valve parking brake system, the flow and speed of air release of the air circuit of the brake system are controlled by adjusting the valve opening, the air release time is further controlled, and finally the multifunctional excavator and the accessory trailer can keep the actions consistent as far as possible during driving; the vehicle controller is pre-configured with the function relationship among the PWM current of the electromagnetic proportional valve, the total mass of the trailer and the accessories and the walking pressure value, the PWM current of the electromagnetic proportional valve is calculated based on real-time data, and the valve opening is further controlled. By adding the electromagnetic proportional valve, the synchronous braking of the excavator and the accessory trailer during driving is realized by the vehicle controller, the modification cost is low, and the structure is simple and easy to operate.

The application belongs to the technical field of unmanned aerial vehicle communication, and particularly relates to an unmanned aerial vehicle communication system based on IPv6 multi-homing and multi-path transmission. The system configures independent IPv6 addresses for multiple heterogeneous links of the unmanned aerial vehicle, establishes a binding relationship between the links and the addresses, and generates a service session identifier; address-level state vectors are generated by periodically collecting link state parameters and associating the link state parameters with the IPv6 addresses; the available IPv6 addresses are comprehensively scored based on the state vectors, and the sending proportion of each address is determined according to the service category, so that data fragments are bound to different IPv6 source addresses and sent in parallel; when the link deteriorates, address-level degradation and rapid traffic switching are performed without changing the session identifier; the receiving end uniformly recombines the fragments from the multiple addresses according to the session identifier and the fragment sequence number, and delivers the fragments to the upper layer application. The application improves the communication throughput, stability and continuity of the unmanned aerial vehicle in a multi-link environment.

This invention provides a sloshing-controlled liquid tank, comprising a liquid tank body. The interior of the liquid tank body is divided into several compartments by multiple vertically intersecting sloshing-controlled chamber walls. The peripheries of the multiple sloshing-controlled chamber walls are perpendicularly fixed to the inner wall of the liquid tank body. Each longitudinal sloshing-controlled chamber wall has at least one sloshing-controlled hole. When multiple sloshing-controlled holes are provided, they are arranged vertically and alternately on the same longitudinal sloshing-controlled chamber wall. In each longitudinal compartment of the liquid tank body, there is a sloshing damper that moves horizontally within its compartment along a direction perpendicular to the longitudinal sloshing-controlled chamber wall. The sloshing damper is arranged on the same horizontal central axis as the unique sloshing-controlled hole or the uppermost sloshing-controlled hole. A damper is provided in the unique sloshing-controlled hole or the lowermost sloshing-controlled hole. The sloshing-controlled liquid tank of this invention dissipates the kinetic energy of the sloshing liquid in three stages: spatial partitioning, upper-level turbulence, and lower-level damping, thereby suppressing liquid tank sloshing and making it suitable for multi-section liquid tanks and complex working conditions.

The invention relates to the technical field of aircraft design, in particular to a wired control aircraft modeling unmanned aerial vehicle capable of switching between a manned mode and an unmanned mode. According to the technical scheme, the aircraft comprises an aircraft shell, a replaceable front cabin door, a replaceable rear cabin door and a replaceable lower cabin door. The core is that a wire transmission control system is integrated in a front cabin door which can be opened upwards to form a modularized functional unit. A front door installation table and a wire transmission operation table are arranged on the inner side of the front cabin door, are electrically connected through a plug and a connector on the top and are quickly and mechanically locked and released through an installation mechanism. A sliding rail and a sliding block are arranged in the aircraft shell and used for flexibly positioning the wire transmission operation table and the driver seat. The front cabin door and the rear cabin door are synchronously driven to open and close by a single motor matched with a transmission mechanism. Through modularized replacement of the front cabin door, rapid and safe switching between a manned mode and an unmanned mode is achieved, the problems that a traditional airplane is single in mode and high in refitting cost are solved, and using flexibility and safety are improved.

The utility model belongs to solenoid valve valve position detection technical field discloses a solenoid valve detection structure, include: solenoid valve, be provided with in solenoid valve with cooperate control solenoid valve open / close's valve core or static iron core, apparent magnetic sheet, apparent magnetic sheet installs in solenoid valve's valve core one side or static iron core one side, when apparent magnetic sheet installs in solenoid valve's valve core one side, the head of valve core is installed with the magnet of its side towards apparent magnetic sheet, is used for detecting the moving condition of magnet when valve core is in action through the pattern change on apparent magnetic sheet, when apparent magnetic sheet installs in solenoid valve's static iron core one side, is used for detecting the magnetization situation inside solenoid valve through the color change or pattern change on apparent magnetic sheet, and transparent positioning piece, transparent positioning piece installs on solenoid valve, apparent magnetic sheet installs in the inside of transparent positioning piece. The utility model has reduced the modification cost, and the detection effect is better.

The invention discloses an ultrathin slice copper mesh supporting film for a transmission electron microscope and a preparation method of the ultrathin slice copper mesh supporting film. The method comprises the following steps: preparing a dichloroethane solution of Piloform Powder; pretreating the glass slide and the copper mesh; fixing the glass slide in a refitted centrifugal device, dropwise adding a film-adding solution, and then carrying out high-speed short-time centrifugation to form a uniform film; immersing the coated glass slide into ultrapure water at 55-60 DEG C to peel and float the film; and putting the copper net on a floating film, fishing up by using a sealing film, and drying to obtain the copper net. The centrifugal device is formed by modifying a common centrifugal machine into a TCT cell slide preparation clamp and additionally installing an anti-splashing structure. The prepared supporting film is uniform in thickness, resistant to bombardment, high in success rate, low in device cost, easy to popularize and suitable for the field of transmission electron microscope sample preparation.

The invention relates to the related technical field of snakelike robot control, in particular to a CPG distributed control system and method of a snakelike robot, the system comprises 11 CPG units corresponding to different modules, each CPG unit is an independent Hopf oscillator, a rhythm propagation chain is formed through hierarchical bus communication, and a multi-source sensing module, a master control coordination module and an execution driving module are matched. The method comprises the steps of initialization, environment perception, rhythm generation and the like, parameters can be dynamically adjusted, feedback coefficients are optimized by adopting head end leading, tail end following phase synchronization and reinforcement learning, and modular redundancy design is achieved. The response speed, the fault-tolerant capability and the motion efficiency of the robot in a multi-medium environment are improved, and the method is suitable for complex scene operation.

The utility model discloses a leadless electric vehicle speed regulation rotating handle, which belongs to the technical field of electric vehicle handles, and is characterized in that the surface of a rotating handle body is detachably connected with a rubber sleeve, one end of the rotating handle body is fixedly provided with a connecting seat, the end face of the connecting seat is fixedly provided with a butt joint mechanism, and the butt joint mechanism comprises a socket; according to the leadless electric vehicle speed regulation rotating handle, through the arranged clamping mechanism and the arranged inserting mechanism, the plug can be automatically clamped when the wire harness is connected with the rotating handle in an inserted mode, the plug is prevented from loosening due to external force, the rotating handle is not prone to falling off, and the leadless electric vehicle speed regulation rotating handle is convenient to use. Meanwhile, the plug is prevented from rotating at will to abrade the socket, through the first external thread, the second external thread, the first threaded hole and the second threaded hole, the clamping mechanism and the plugging mechanism can conveniently add the existing rotating handle and the wiring harness, the modification cost is reduced, and market application and popularization are facilitated.

The application provides a differential pressure driving turning method and device based on tail combined jet flow and suction flow, and the method comprises the following steps: constructing combined jet flow and suction flow excitation circuits with zero net mass flow on the left and right sides of the tail of an underwater vehicle respectively; independently regulating and controlling the start-stop and working intensity of the combined jet flow and suction flow excitation circuits on the left and right sides by a control unit, so that flow separation bubbles and local low-pressure areas are formed on one side of the tail or flow separation bubbles and local low-pressure areas with different intensities are formed on both sides of the tail; a yawing moment is generated by the differential pressure of the tail, effective turning force can still be provided under low-speed working conditions, and the low-speed failure problem of traditional rudders is solved; the structure is simple and convenient to modify: there is no exposed mechanical rudder surface and multiple propeller structure, the circuits are integrated in the tail, and the modification cost is low and the adaptability is strong.

The invention is suitable for the technical field of automobile aerodynamics and thermal management, and provides an automatic opening and closing heat dissipation and resistance reduction hubcap structure and a control method thereof.The hubcap structure comprises a hubcap base and a hubcap cover, the hubcap base is provided with base ventilation openings, the hubcap cover is provided with cover cover ventilation openings, and the hubcap ventilation openings are communicated with the hubcap base. The blades are connected with the hubcap base through reset springs; the traction and locking unit comprises a sliding way, a traction sliding block is installed in the sliding way, the traction sliding block is connected with the blade through a traction rope, a locking magnet is arranged in the sliding way, a traction spring connected with the locking magnet is arranged in the sliding way, and a locking iron sheet used for attracting the locking magnet is arranged on the blade. The device completely depends on the physical principle to achieve self-adaptive opening and closing, does not need external energy, is simple and reliable in structure, low in cost and convenient to install, can balance the requirements for high-speed resistance reduction and low-speed heat dissipation, and effectively improves energy efficiency and driving safety.

The utility model provides a kind of pneumatic receiving module and collection equipment, pneumatic receiving module is installed in the outside of collection equipment, and pneumatic receiving module includes: receiving mouth, receiving mouth is communicated with pneumatic transmission pipeline;Transmission channel, transmission channel extends along first preset direction, transmission channel is communicated with receiving mouth, and at least part of transmission channel is located in the outside of collection equipment;Receiving bin, receiving bin is located at the end of transmission channel away from receiving mouth, receiving bin is communicated with transmission channel, and receiving bin is used for temporarily storing material, and at least part of receiving bin is located in the inside of collection equipment.The pneumatic receiving module in the utility model solves the technical problem that the pre-treatment equipment in the related art cannot add pneumatic receiving module due to compact internal structure.

The application discloses an electric equipment cooperative control method and system, and relates to the technical field of unmanned ship control; the technical points are as follows: through space-time-electromagnetic double-dimension synchronous preprocessing, taking the geomagnetic detection sampling time sequence as a core reference, the phase reference alignment of the power supply time sequence, the equipment operation time sequence and the detection sampling time sequence is carried out, so that the electric interference peak value is avoided from falling into the detection sampling window; in addition, on the basis, through matching the cooperative control decision value, three cooperative operations of power supply ripple reverse offset, equipment time sequence and detection window avoidance, and ship body posture and detection sampling phase lock are executed, active offset and accurate avoidance of electromagnetic interference are carried out from the power supply source, equipment operation and detection sampling, the problem that the prior art can only realize passive interference attenuation through physical isolation and hardware shielding, and cannot eliminate the interference source through electric cooperative control is solved, and thus the electromagnetic interference suppression efficiency of the geomagnetic detection channel and the signal-to-noise ratio of the geomagnetic detection data are improved.

The utility model discloses a belt conveyor safety protection device for mining, which comprises a pressure detection mechanism for detecting the eccentricity of ores on a conveyor belt mechanism and a correction protection mechanism for correcting the eccentric ores, and the correction protection mechanism is arranged in the discharging direction of the pressure detection mechanism. The bottom of the pressure detection mechanism and the bottom of the correction protection mechanism are both connected with a supporting mechanism used for fixing and transmitting oil pressure, and a buffering matching mechanism used for buffering and correcting power is installed on the correction protection mechanism. The protection effect is improved by conveying and straightening ores, and excessive impact on the ores and the conveying belt in the correction process is avoided by adopting a quick stretching and retracting and buffering mode of the buffering matching mechanism, so that the safety in the correction process is improved, and the correction protection effect is ensured.

The application relates to an outbound control device of a clothing hanging line system, which comprises a power cylinder, a lowering frame and a claw, the claw is provided with a front blocking part and a rear blocking part, the claw can rotate to a front blocking position or a rear blocking position; further comprising a joint mechanism, a one-way valve and a driving control mechanism, when power fluid enters the A interface of the power cylinder, the piston rod moves in a first direction, the elastic force of a reset spring drives the piston rod to move in a second direction; the joint mechanism comprises a C interface, a D interface and a on-off control assembly, the on-off control assembly can control the C interface and the D interface to be connected or disconnected, the D interface is connected with the B interface of the power cylinder; the one-way valve connects the D interface with an external fluid environment, the one-way valve is opened when the pressure at the D interface is lower than that of the external fluid environment; the A interface of the power cylinder is connected with the driving control mechanism; the driving control mechanism is used for providing power fluid to the A interface of the power cylinder and controlling the action of the on-off control assembly.

The unmanned control system comprises a pedal control assembly, an operation assembly, a steering control assembly and a gear shifting control assembly, the operation assembly is arranged on the upper side of the pedal control assembly, and the steering control assembly is arranged at the top end of the operation assembly; the pedal control assembly comprises a first rack, a first servo electric cylinder, a first connecting arm, a first swing plate, a second connecting arm and a ball connecting piece. On the basis that existing equipment is not changed, remote control equipment is additionally arranged, the modification cost is greatly reduced, switching can be conducted between manual operation and remote control, and the device can further adapt to bulldozers of different specifications.

This invention relates to a dry powder inhaler, comprising: an indexing mechanism including a driving indexing gear and a driven indexing gear, the driving indexing gear including a pawl, and the driven indexing gear including an indexing groove and a guide structure; a peeling mechanism; a counting driving tooth that rotates in response to the rotation of the driven indexing gear; and a counting mechanism having a counting driven tooth and a stop. When the number of uses has not reached a preset threshold, the pawl remains engaged with the indexing groove, and the counting driving tooth remains engaged with the counting driven tooth. When the number of uses reaches the preset threshold, the stop prevents the counting driving tooth from continuing to rotate. When the external force driving the indexing mechanism to rotate exceeds a preset force value, the pawl deforms along the groove opening towards the indexing groove under the guidance of the guide structure, thereby disengaging from the indexing groove. The dry powder inhaler of this invention, when the number of uses reaches the preset threshold, can limit further use of the dry powder inhaler by the user.

The utility model provides an unequal-thickness rolling profile forming device which comprises an upper roller and a lower roller, roller shafts of the upper roller and the lower roller are horizontally erected on a rolling support, the two ends of the roller shaft of the lower roller are supported on a fixed bearing seat, the two ends of the roller shaft of the upper roller are supported on a movable bearing seat, and the movable bearing seat is supported on the upper roller. The fixed bearing seat and the movable bearing seat are both installed on the rolling support, and the movable bearing seat can ascend and descend in the rolling support. An elastic adjusting mechanism for adjusting the position of the movable bearing seat is arranged above the movable bearing seat; the elastic adjusting mechanism comprises an adjusting frame, a nitrogen spring and an adjusting lead screw, the adjusting frame is fixedly connected to the upper portion of the movable bearing seat, and the adjusting lead screw is arranged on the upper portion of the adjusting frame. The rolling gap can be quickly adjusted on line along with the thickness change of steel strips with non-uniform wall thicknesses, so that the pressure borne by the steel strips with different wall thicknesses is stable, smooth on-line forming of rolling profiles with different wall thicknesses is realized, and the forming precision is improved.

The application relates to the field of automobile power damping technology, and discloses a power damping device of an amphibious vehicle propeller and the amphibious vehicle, which comprises a motor support, the top of the motor support is provided with a base for fixing and supporting a motor, a plurality of vertically arranged suspension mounting holes are arranged on the motor support, and the base and the suspension mounting holes are matched through a suspension soft pad assembly; the geometric center surrounded by the mass center of the amphibious vehicle propeller power assembly and the plurality of suspension mounting holes is coaxially arranged; through the vibration isolation and energy absorption characteristics of the suspension assembly, the vibration excitation generated by the propeller motor during the water navigation of the automobile can be effectively inhibited from being transmitted to the vehicle body, and the ground excitation during the road driving of the automobile can also be inhibited from being transmitted to the propeller motor.

The invention relates to the technical field of semiconductor wafer film pasting, and discloses a semiconductor wafer film pasting parameter optimization processing method and system. The method comprises the steps of training a film pasting quality prediction model based on historical production data; constructing a quality evaluation function, and searching an optimal process parameter combination by using an optimization algorithm under a given target condition by taking the maximization of the comprehensive quality score as a target; screening key parameters from the equipment parameters; performing clustering analysis on the wafer characteristic parameters to generate virtual wafer characteristic parameters; training a parameter mapping model, and establishing a mapping relationship between the equipment parameters and the process parameters; a parameter optimization model is constructed, key parameter correction norm minimization is taken as a target, and performance guarantee and robustness constraint conditions are met; and finally, generating optimized equipment parameters based on the correction, and outputting an actual process parameter combination through a parameter mapping model. The stability of the film pasting quality can be improved.

The utility model relates to the field of power electronic equipment, in particular to an air-cooled inverter generator which comprises a starting assembly (1), a wind scooper (2) is arranged on the starting assembly (1), an air flow channel used for air circulation is formed in the wind scooper (2), and one end, far away from the starting assembly (1), of the wind scooper (2) is connected with an inverter (3). According to the utility model, the heat dissipation effect of the inverter can be greatly improved through small modification, so that the over-temperature protection hidden danger of the inversion IGBT with high wind temperature when a terminal product is used in a high-temperature environment is reduced. Meanwhile, the structure is simple, the modification cost is low, and the large-range popularization value is achieved.

The present application relates to a kind of virtual test logic model construction methods, the method includes the following steps: step 1: logic element construction.Step 2: logic unit construction.Step 3: logic model construction.This technical solution standardizes the construction process of virtual test logic model, realizes the organic integration and flexible coordination of multiple elements in virtual test logic model, improves the expansibility and reusability of model in complex and dynamic test scene.