35results about How to "High environmental requirements" patented technology

The invention discloses a lithium ion battery in-situ pre-lithiation method and a lithium ion battery. The method comprises the following steps of (1) matching a silicon-based negative electrode material with a positive electrode material; assembling the materials into the lithium ion battery, wherein the lithium embedding volume of the silicon-based negative electrode material is N1; the lithiumremoval volume is N2; the charging capacity of the positive electrode material is P1, and the discharging capacity is P2; N2/N1 is greater than P2/P1; N1/P1 is smaller than N2/P2; the value of N2/P2 is 1.02 to 1.20; the value of N1/P1 is 0.85 to 1.05; (2) activating the lithium ion battery in different stages; at the first stage, charging the lithium ion battery until the capacity is not higher than N1/P1*100 percent SOC1; performing discharging until the voltage is not lower than the lower limit voltage of a battery design voltage range; at a second stage, performing charging until the capacity is not higher than 100 percent SOC2; performing discharging until the voltage is not lower than the lower limit voltage of the battery design voltage range; performing activation for 3 to 30 weeks.The manufacturing work procedure of the lithium ion battery is not increased by the invention; the operation is safe and convenient. The lithium ion battery comprising the in-situ pre-lithiation silicon-based negative electrode obtained by the method has the advantages of high energy density, long circulation and the like.

The invention discloses a BiVO4 full mesoporous fiber material and a preparation method thereof. The fiber material comprises three elements including Bi, V and O; the surface of the fiber material adopts a porous structure; the fiber material comprises monoclinic BiVO4 crystals. According to a scheme, the BiVO4 fiber material with higher structured crystallinity is provided and further has excellent micropore distribution and good fine controllability of a microporous structure.

The invention discloses a wireless automatic sound target reporting system. The system comprises an optical-electronical target and a target reporting display system, wherein the optical-electronical target comprises a target frame and a target core arranged in the target frame; the target core comprises an optical-electronical matrix module, a data collection module, a data processing module and a wireless transmitting module which are sequentially and electrically connected; the target reporting display system comprises a wireless receiving module, a computer processing module, a display module and a sound module; and the computer processing module is used for controlling the display module to perform bullet point simulation and driving the sound module to perform voice target reporting. According to the wireless automatic sound target reporting system, target paper does not need to be replaced for a long time, the shooting service life of the target paper is prolonged, the requirement for a shooting range site is avoided, a line does not need to be erected, the extremely-high stability and reliability are achieved, and the maintenance cost is greatly reduced; and through computer resolving and programming, automatic sound target reporting is achieved, manual target reporting errors are reduced, and life safety of target reporting personnel is ensured.

The invention discloses a panoramic stitching method, a vehicle panoramic stitching method and a panoramic system thereof. The panoramic stitching method comprises the following steps: S1, enabling wide-angle cameras arranged at different positions to acquire shot images; s2, carrying out distortion correction and straightening processing on the shot image; s3, setting a calibration reference object in the acquisition range of the wide-angle camera, performing point tracing calibration by using the calibration reference object, and tracing special image coordinates on the calibration referenceobject to obtain a change matrix; s4, performing perspective transformation processing on the transformation matrix to obtain a multi-angle spliced image; s5, performing color equalization and fusionon the spliced image to obtain a spliced image with consistent color and illumination, and respectively calculating the relative displacement of each spliced image in the panoramic spliced area to obtain a panoramic spliced image. The vehicle panoramic stitching method and a panoramic system thereof are used for assisting the advancing process of an automobile and have a better stitching effect compared with the prior art.

The invention, which relates to the micro-nano Newton force detection technology field, discloses a system and a method for detection of a micro-nano Newton force on a spherical membrane vibratory quantum. According to the method, under an effect of spherical membrane vibration, on the basis of changes of a diameter and a thickness of a spherical membrane, detected vibratory quantum change information enables detection on a micro-nano Newton force exerted on a spherical membrane to be realized. The system comprises a micromanipulator platform, a corpuscule loading mechanism, a spot light source, a PSD sensor, a data processing system and the like. In addition, the system also comprises a one-time spherical membrane generation mechanism or a spherical membrane support that is used for a repeated spherical membrane. According to the invention, enormous economic benefits and technological supports are brought for micro-force detection fields like biomedicine and molecular chemistry and the like in China.

The invention relates to a self-service tracker. The tracker communicates with a control platform; the tracker includes an initial positioning module, a communication module, an inertial positioning module, an alarm module and a control module; and the tracker performs initial positioning through combining GPS positioning and cellular positioning, and performs positioning in a subsequent positioning process through adopting an inertia positioning mode. Based on organic combination of the GPS positioning, the cellular positioning and the inertia positioning, the technical problem of too stringent requirements for an environment when a single positioning technology is used can be solved; in the subsequent positioning process, the inertial positioning can achieve completely autonomous positioning without GPS or cellular data required, and therefore, improvement on the automaticity of the tracker can be benefitted. With the self-service tracker of the invention adopted, dependence on GPS signals and cellular data can be reduced, and accordingly, environmental requirements of the operation of a system can be decreased, and the robustness of the system can be enhanced.

The invention discloses a modularized Zigbee monitoring system applied to 3D printing equipment. The modularized Zigbee monitoring system comprises a Zigbee monitoring manager, a Zigbee relay network and an upper computer, wherein the Zigbee monitoring manager, the Zigbee relay network and the upper computer are sequentially connected. The Zigbee monitoring manager is connected with the 3D printing equipment. The modularized Zigbee monitoring system can be used when plugged, the upper computer does not need add-on hardware, complete control over the 3D printing equipment is achieved, and the data reading ability is achieved. Each part of the modularized Zigbee monitoring system can be selectively used or replaced, and the modularized local area network monitoring system has the expansibility.

The invention discloses a pipeline type internal inflow grille decontamination machine which comprises a rack shell, a driving roller, a rail and a baffle, a first cavity is formed in the inner side of the rack shell, a second cavity is formed above the first cavity, transmission chains are arranged on the inner sides of the first cavity and the second cavity, and sieve plates are connected to theinner sides of the transmission chains; the driving roller is installed on the inner side of the sieve plate, a rolling shaft is connected to the inner side of the driving roller, a speed reducer isconnected to the rear portion of the rolling shaft, a driving motor is installed on the rear side of the speed reducer, the rail is arranged on the outer wall of the transmission chains, a water inletsealing plate is connected to the outer side of the rail, and a water inlet is formed in the inner side of the water inlet sealing plate. The baffle is installed at the upper end of the water outletsealing plate, and a mud receiving disc is arranged above the baffle. According to the machine, sewage can be conveniently decontaminated, sludge on the sieve plate can be conveniently cleaned, the intelligent effect of the equipment is improved through the controller, manual participation can be reduced, and safety is improved.

The invention discloses a modularized Bluetooth monitoring system applied to 3D printing equipment. The modularized Bluetooth monitoring system is characterized by comprising a Bluetooth monitoring device and an upper computer, wherein the Bluetooth monitoring device and the upper computer are sequentially connected. The Bluetooth monitoring device is connected with the3D printing equipment through a serial port and connected with the upper computer through Bluetooth. The modularized Bluetooth monitoring system can be used when plugged, the upper computer does not need add-on hardware, complete control over the 3D printing equipment is achieved, and the data reading ability is achieved. Each part of the modularized Bluetooth monitoring system can be selectively used or replaced, and the modularized Bluetooth monitoring system has the expansibility.

The invention relates to the field of fluorescence immunoassay detection, in particular to a self-inspection card of a fluorescence immunoassay analyzer and a preparation method thereof. The self-inspection card of a fluorescence immunoassay analyzer is a detection kit, including a casing, and a detection window is opened on the casing , A card slot is provided in the housing corresponding to the detection window, and sub-silver paper is fixed in the card slot, and a C line and a T line made of fluorescent paper are arranged on the sub-silver paper. Through the detection of the fluorescence immunoassay analyzer, the curve information of the self-test card of the fluorescence immunoassay analyzer can be obtained, so that the performance status of the instrument can be judged. The preparation method includes: (1) making fluorescent paper strips; (2) making sub-silver paper backing; (3) pasting fluorescent paper strips; (4) preparing test strips; The analyzer self-test card has the characteristics of stable performance, convenient use, easy storage, and convenient preparation, so it is very suitable for the self-test of the fluorescence immunoassay analyzer.

The invention belongs to the technical field of micro-plastic recovery, and particularly relates to a micro-plastic separation and recovery device and a using method thereof. The device comprises an air pump, an air inlet pipe, an aeration stone, a U-shaped separation column, a glass plug, a graded filtering device, a liquid collecting column, an air outlet pipe, and a suction filtration pump; the bottom of the left side of the U-shaped separation column is provided with the aeration stone; the bottom of the left side of the U-shaped separation column is connected with the air pump through the air inlet pipe; the glass plug is arranged at the top of the U-shaped separation column; the graded filtering device is arranged at the bottom of the right side of the U-shaped separation column; the liquid collecting column is arranged at the bottom of the graded filtering device; and the bottom of the liquid collecting column is connected with the suction filtration pump through the air outlet pipe. The micro-plastic separation and recovery device is reasonable in structure, the device is simpler and more convenient in separation of sediments, density solution is not needed, flotation solution is APG0810 solution with low concentration, the separation recovery rate can be close to 100%, and the effect is better; and the separation and collection process of micro-plastics can be completed within 3 minutes, so that the efficiency is higher, and the time is saved.

The invention relates to a material pushing device of a sorting machine. The material pushing device comprises a material pushing mechanism and a material rotating mechanism, wherein the material pushing mechanism comprises a material pushing plate and a material pushing drive mechanism driving the material pushing plate, the material rotating mechanism comprises a material rotating shaft and a rotating drive mechanism driving the material rotating shaft, the material pushing drive mechanism drives the material pushing plate to convey a material on the material pushing plate to the material rotating mechanism, and then the material pushing mechanism conveys the material to a blanking line after the material is processed by the material rotating mechanism. The material pushing device of the sorting machine is strict in structure, is controlled through a stepping motor, can effectively improve the control accuracy and can be widely applied in an occasion having high environment requirement, small structural space and high accuracy control requirement.

The invention provides a silicon wafer for calibration, a preparation method thereof and application thereof. The silicon wafer for calibration has a surface particle number of 14000 to 20000pcs and asurface particle density of 30 to 100pcs/cm2. The preparation method is simple and low in price, and can be applied to industrial production. The prepared silicon wafer for calibration can meet the calibration accuracy of a particle detector, meets the needs for daily monitoring, reduces the frequency of use of a standard chip, and prolongs the service life of the standard chip so as to greatly reduce production cost.

The invention relates to a tissue culture method of alstroemeria. The tissue culture method comprises the following steps: performing in vitro bud induction, subculture, rooting culture and acclimatization and transplantation on an explant, wherein a culture medium for in vitro bud induction and subculture is an MS culture medium and contains 6-BA and NAA, and the explant is a stem part of a fresh cut flower of the alstroemeria. According to the invention, special selection is performed on explant parts instead of conventional parts such as underground rhizomes, which is a basis of successful tissue culture of the alstroemeria, and the other invention point is selection of the culture medium, especially an in-vitro bud induction culture medium and a subculture culture medium, which are based on an MS culture medium, and the 6-BA and the NAA with concentration gradient coordination are compounded, so that rapid tissue culture of the alstroemeria is realized.

The invention provides a nutation hydraulic motor, and belongs to the field of mechanical and hydraulic transmission. The nutation hydraulic motor comprises an output nutation outer bevel gear shaft, an input nutation inner bevel gear shaft, a nutation servo hydraulic driving system and a high-pressure oil station. A nutation speed reducer is composed of the nutation outer bevel gear shaft and the input nutation inner bevel gear shaft; large-load and large-speed-ratio gear transmission is achieved through few parts in a small space; and the input nutation inner bevel gear shaft is connected with a servo hydraulic cylinder through spherical hinges evenly distributed on a certain reference circle on the back side, and the angle change of the input nutation inner bevel gear shaft and the servo hydraulic cylinder is adapted during nutation motion. The nutation hydraulic motor has the advantages of being high in power density, compact in structure, small in occupied area and low in environment requirement, can share a high-pressure oil source of a use site, and has high use value in the fields of hoisting transportation, constructional engineering, metallurgy, geological drilling, ship machinery, tunnel equipment, petrochemical engineering and the like.

The invention discloses a longitudinal moving structure of a three-coordinate coiled material lifting and moving device. The longitudinal moving structure comprises two symmetrically arranged supporting beams, L-shaped beams respectively arranged at the tops of the two supporting beams, a first sliding frame arranged between the two supporting beams, a driving connecting frame arranged on one sideof the first sliding frame, and a synchronous belt driving device for driving the driving connecting frame to move longitudinally; each L-shaped beam comprises a bottom plate horizontally arranged onthe upper end surface of each supporting beam and a vertical plate perpendicular to each bottom plate; and a travelling mechanism and a guide mechanism are arranged on the first sliding frame. Both the traveling mechanism and the guide mechanism are of driving wheel structures with adjustable positions, and when the machining precision of the sliding frame is low, the sliding frame can be moved to achieve stable and accurate effects by finely adjusting the heights of traveling rollers and guide wheels. In addition, due to the simple structures of the traveling mechanism, the guide mechanism and the synchronous belt driving device, the requirement for improving the environment of a production workshop is low.

The invention discloses a superimposed integral type prefabricated shear wall edge component and a mounting method Most of existing assembled prefabricated wall components are manufactured in a solid mode with large weight, and field hoisting machinery type selection is high, so that the building cost is increased. Prefabricated wall component sleeves are high in price, and the quality of the prefabricated wall component sleeves goes wrong easily. The component is composed of a back concrete thin plate (9) and at least one face concrete thin plate (1). The back concrete thin plate and the face concrete thin plates are connected through steel bar frameworks or truss steel bars, and every two adjacent face concrete thin plates are connected through steel bar frameworks or truss steel bars. Pouring cavities (2) are formed between the back concrete thin plate and the face concrete thin plates and between every two adjacent face concrete thin plates. The method is used for the superimposed integral type prefabricated shear wall edge component and mounting thereof.

The invention proposes an AGV real-time path planning method based on optimal control and width learning, and relates to the technical field of AGV path planning, and the method comprises the steps: firstly constructing an AGV dynamical model, taking the AGV dynamical model as a dynamic constraint, taking time-burn-up optimization as a target function, building an optimal control model, and carrying out the offline forward solving, and generating an optimal control trajectory of a plurality of different starting points, under the condition, considering that offline optimization is relatively difficult to realize real-time optimal control so as to achieve the optimal trajectory, in order to avoid hysteresis caused by offline optimization solution, introducing a width learning network, taking different target points as a classification basis, and solving the optimal control trajectory of the plurality of different starting points. And integrating and classifying the optimal control trajectory into a training data set of different navigation tasks, and incrementally training a width learning network to obtain a width learning network finally used for AGV real-time path planning, thereby realizing real-time optimal control of AGV path planning at any starting point within a certain range.

A non-contact key tooth profile learning method and system are provided. The non-contact key tooth profile learning method comprises the following steps: acquiring first profile point cloud data of a key by means of a line laser method; and processing the first profile point cloud data so as to obtain first 3D profile information.