33results about How to "Flexible parameter adjustment" patented technology

The invention discloses a production method of a bilayer structure pellet and production equipment thereof, belongs to the technical field of pellet production methods and equipment, and is used for producing a pellet having an inner-layer structure and an outer-layer structure. The technical scheme is that a mineral aggregate easy to generate an adverse effect on the pelletizing process and the roasting process is put in an inner-layer pelletizing disk to serve as a pellet core, and a mineral aggregate with good pelletizing performance and in favor of roasting is put in an outer-layer pelletizing disk to grow to a pellet, so that the pellet with the inner-layer structure and the outer-layer structure is formed, and the influence on the pellet by the adverse effect of the mineral aggregate is prevented. The method and the production equipment are simple in operation, are flexible in parameter adjustment, and can be adapted to a diversified raw material structure; under the condition of shortage of a high-quality iron ore resource at present, the novel production method and the novel production equipment are provided to realize reasonable resource utilization, to improve pellet quality and to guarantee smooth production; and the production method and the production equipment have positive and prominent effects on the sustainable development and the economic benefit improvement of iron and steel enterprises, and have strong promotion and application values.

The invention relates to a man-machine interaction intelligent tea-brewing robot based on the Internet of Things. The man-machine interaction intelligent tea-brewing robot based on the Internet of Things comprises a robot frame formed by four stand columns and a square-shaped roof, and a control center. The robot further comprises a horizontal moving device, a mechanical arm, a tea brewing device,a multi-degree-of-freedom tea clip and a rotary tea table, wherein the multi-degree-of-freedom tea clip is arranged on the horizontal moving device; the horizontal moving device is arranged on the lower part of the robot frame; the mechanical arm is arranged on the square-shaped roof; the tea brewing device is fixed onto the stand columns; and the rotary tea table is arranged in the right front part and is arranged opposite to the multi-degree-of-freedom tea clip. Compared with the prior art, the man-machine interaction intelligent tea-brewing robot based on the Internet of Things provided bythe invention has the advantages of wide application range, comprehensive functions, intelligence and convenience in operation, small volume, full automation and the like.

The invention provides an electromagnetic radiation emission real-time measurement system for a high-speed train and relates to the technical field of the wireless electric signal and electromagnetic radiation emission measurement and the interference source positioning. The system comprises a vehicle-mounted measurement subsystem, a ground measurement subsystem, a vehicle-mounted vehicle positioning subsystem and a vehicle ground wireless transmission subsystem, wherein the vehicle-mounted measurement subsystem is used for carrying out real-time statistical parameter measurement on the electromagnetic interference inside a high-speed train vehicle by a multi-channel measurement receiver, extracting and classifying the electromagnetic interference with different characteristics and positioning source equipment emitting the electromagnetic interference inside the vehicle by the mode identification; the ground measurement subsystem is used for measuring real-time electromagnetic radiation emission signals by the multi-channel measurement receiver and filtering interference signals in the real-time electromagnetic radiation emission signals, which are from the outside of the high-speed train by utilizing blind signals; the vehicle-mounted vehicle positioning subsystem is used for acquiring real-time position and speed information of the high-speed train vehicle by utilizing a GPS (Global Positioning System) cooperative positioning technology; and the vehicle ground wireless transmission subsystem is used for implementing the time and space synchronization between the vehicle-mounted measurement subsystem and the ground measurement subsystem.

The invention discloses an ultra-wideband chirped tilted fiber grating inscribing device, an inscribing method and a laser system. The ultra-wideband chirped tilted fiber grating inscribing device comprises an excimer laser, a plane mirror group, a diaphragm, a beam expanding lens group, a focusing column lens, a chirp phase mask plate and an optical fiber operation mobile platform; the plane mirror group, the diaphragm, the beam expanding lens group, the focusing column lens and the chirp phase mask plate are sequentially arranged on a transmission path of laser output by the excimer laser, and a light beam focused and emitted from the focusing column lens vertically irradiates the center of a gate region of the chirp phase mask plate. An optical fiber is installed on the optical fiber operation moving platform and is parallel to the chirp phase mask plate, laser emitted from the chirp phase mask plate vertically enters the optical fiber, and meanwhile, inscribing of the ultra-wideband chirp tilted fiber grating is realized by controlling the optical fiber operation moving platform. The ultra-wideband chirped tilted fiber grating is simple and convenient to manufacture, parameterscan be flexibly adjusted, Raman random laser cannot be excited in a high-power fiber laser system, and the application range of the ultra-wideband chirped tilted fiber grating is greatly expanded.

The invention discloses a high-precision time-sequence control circuit of a ground penetrating radar. The circuit comprises an SPI interface and a scanning unit, wherein the SPI interface is communicated with an upper computer; the scanning unit scans data obtained by the SPI interface, transmission pulses transmitted by the scanning unit synchronize with a main clock in a trigger pulse synchronization unit and then are directly output outwards, and receiving pulses transmitted by the scanning unit synchronize with the main clock in the trigger pulse synchronization unit and then are output outwards through a delay circuit. According to the high-precision time-sequence control circuit of the ground penetrating radar, parameter setting can be carried out through the SPI interface, and parameter adjustment is flexible; a delayed chip with a fine adjustment function is used, and 1ps precision delay can be achieved to the minimum; time jitter errors are reduced due to synchronization design, and stability of the time-sequence control circuit is improved; various scanning modes are set, and when the ground penetrating radar needs to modify a scanning mode, hardware and software of the high-precision time-sequence control circuit do not need to be modified, and only parameter setting needs to be carried out through the SPI interface.

The invention discloses a uniform light focusing LED light source module design method based on a free-form surface Fresnel lens. The method comprises the specific steps that a free-form surface partition area of the Fresnel lens is divided according to the number of LED light sources and the light emitting characteristic; then, the number of annular belts, a free-form surface, the height of the annular belts and a working side angle of the Fresnel lens are set according to light distribution requirements, so that the focal length, the numerical aperture and the light focusing angle of the Fresnel lens are obtained, and a Fresnel lens model and an LED light source module structure are acquired; and an illuminance distribution verification design effect is obtained by simulating the path of light rays refracted through the Fresnel lens. According to the uniform light focusing LED light source module design method based on the free-form surface Fresnel lens, the problems that traditional LED light source lenses are generally poor in light distribution effect, low in light focusing multiplying power, large in thickness, only capable of being matched with a single LED light source and the like are solved; the method can adapt to light source module designs of different light source numbers and different sizes; and an integrated uniform light focusing LED light source module large in area can be obtained through the characteristics of the free-form surface Fresnel lens.

The invention discloses a polarization beam splitter and beam splitting method based on a surface plasmonic hybrid waveguide. The polarization beam splitter comprises a housing, a first optical waveguide, and a second optical waveguide, wherein the first optical waveguide and the second optical waveguide that are arranged in the housing are arranged in parallel at an interval in an asymmetric manner. A nano slit is formed at the interval of the first optical waveguide and the second optical waveguide. The first optical waveguide and the second optical waveguide are formed by metal thin films, low-refractive-index films, high-refractive-index films and nano grooves. The cavity among the housing, the first optical waveguide and the second optical waveguide is filled with air. The polarization beam splitter has advantages of ultra small size, ultra low crosstalk, large operating bandwidth, and high integration.

The invention provides an environment-friendly intelligent anaerobic fermentation biogas slurry deep treatment remote control device and method. The remote control device comprises a homogenizing tank, a belt filter, a water purifying device, a filter residue drying device, field control terminals and a remote control terminal, wherein the homogenizing tank communicates with the belt filter; the belt filter communicates with the water purifying device and the filter residue drying device; the homogenizing tank, the belt filter, the water purifying device and the filter residue drying device are electrically connected with the field control terminals; and each field control terminal is connected with the remote control terminal. The method comprises two steps of equipment assembly and biogas slurry treatment and monitoring. According to the device and the method, on one hand, the requirement of efficient biogas slurry purification operation treatment can be effectively met, and the restriction of the site environment on a biogas slurry purification system is effectively reduced; and on the other hand, the biogas slurry treatment process is remotely monitored, and the operating powerand parameters of the purification equipment are flexibly adjusted according to the parameter change in the biogas slurry purification process, so that the aim of improving the biogas slurry purification efficiency and control precision is achieved.

The invention relates to a method for determining verbascoside in blood nourishing and brain-refreshing water extract. The method comprises the following steps: 1) reference substance preparation method: weighing a verbascoside reference substance, and adding methanol to prepare a standard reference solution; 2) a preparation method of a test solution: weighing the blood nourishing and brain refreshing water extract, adding methanol to dissolve, loading on a solid phase extraction column, eluting with a methanol solution, collecting eluent, and fixing the volume with methanol; and 3) a determination method: respectively taking the reference substance solution and the test solution, injecting into an ultra-high performance liquid chromatograph, recording a chromatogram, calculating the verbascoside content of the test solution by using an external standard method according to the peak area, and converting to obtain the verbascoside content in the blood nourishing and brain refreshing water extract.

The invention discloses a harmonic drive cam. According to the characteristic curve of the cam, low-angular-frequency and high-angular-frequency cosine waves are added on the basis of a cosine function, a low-angular-frequency cosine term is used for reducing the trend that a radius vector of the long axis of the cam becomes smaller, a high-angular-frequency cosine term is used for changing the deformation amount of the short axis of the cam, and the deformation amount of the long axis of the cam is smaller than that of the short axis of the cam. According to the harmonic drive cam, the comprehensive performance of harmonic drive is improved, the harmonic drive wrap angle can be increased through the characteristic curve of the harmonic drive cam, and the harmonic drive bearing capacity is improved.

The invention provides a transistor, a forming method thereof and a semiconductor device. The gate dielectric layer in the transistor is provided with an upper layer part and a lower layer part, and the upper layer part is laminated, so that the thickness of the upper layer part can be increased on the basis of not changing the thickness of the lower layer part. Therefore, on the basis of maintaining the performance of the transistor, the gate induced leakage current (GIDL) phenomenon can be improved; and moreover, the thickness of the upper layer part is increased through laminated arrangement, so that flexible adjustment of parameters of the upper layer part is facilitated.

The invention discloses a device for equipment power failure reporting and power failure protection. The device comprises an external power supply, a boosting module, an internal electric quantity storage module, an inverter, a voltage reduction module and a detection module; the external power supply is electrically connected with the electric equipment and the internal electric quantity storagemodule; the boosting module is arranged between the external power supply and the internal electric quantity storage module; the voltage reduction module is arranged between the internal electric quantity storage module and the electric equipment; the inverter is arranged between the external power supply and the voltage reduction module; a detection module is also arranged between the external power supply and the electric equipment; for remote networking equipment, uploading of a fault report can be realized through the internal electric quantity storage module, remote analysis is facilitated, targeted maintenance is performed, and the efficiency is improved; for a desktop computer and other equipment, an operator can have enough time to save files and turn off the computer, and the labor achievement of the operator is protected; aiming at portable equipment with a power supply, an auxiliary power supply is provided to satisfy power supply in emergency.

The invention discloses a switched capacitor all-digital frequency mixer and an anti-aliasing filter circuit. Current/voltage is sampled by use of a switched capacitor, the function of a digital filter is realized by virtue of charge sharing, filter parameters are dynamically regulated by multiple-digit high and low electrical levels, the phase-frequency characteristic of the digital filter based on the principle is optimized, voltage loss caused by using the switched capacitor filter can be lowered, and the gain of the whole circuit is improved.

The invention discloses a preparation method of a battery-grade rare earth electrolyte. A finished product is prepared by subjecting lanthanum cerium carbonate, lithium fluoride, potassium fluoride and the like to fluoridation reaction with hydrogen fluoride. The invention also provides a preparation system of the battery-grade rare earth electrolyte. The preparation system comprises a main fluorination furnace and a raw material fluorination furnace, wherein a discharge port of the raw material fluorination furnace communicates with a feed end of the main fluorination furnace through a connecting pipe; and the raw material fluorination furnace comprises a furnace body, reaction chambers are arranged in the furnace body from top to bottom at intervals, the reaction temperatures of the reaction chambers rise in sequence, every two adjacent reaction chambers are separated through a heat insulation baffle and communicate through material holes in the heat insulation baffle, material switches are arranged at the material holes, a feeding pipe is arranged at the reaction chamber on the uppermost layer of the furnace body, and a stirring part rotating around the axis of the furnace body is arranged in the reaction chamber. The invention aims to improve the quality of the prepared electrolyte.

The invention provides a test bed for detecting positive and negative work of a linear moving electric mechanism, which realizes automation of testing the service life of the positive and negative work of the electric mechanism. The test bed comprises a sliding rod assembly and a positive and negative loading switching system; the number of loading weights is two, and the two loading weights are matched with two bottom weights to form two groups of loading assemblies respectively; the number of variable loading wheels is two, and the center connecting line of the variable loading wheels is parallel to the linear moving work direction; the sliding rod assembly is in matched connection with a linear moving work unit to drive the two variable loading wheels to rotate in the same direction; and the positive and negative loading switching system comprises two groups of windlass assemblies arranged aiming at two groups of loading assemblies and a sensing limit device, wherein the windlass assemblies are used for lifting or lowering the loading weights. The test bed has simple structure, and can efficiently and safely test the work service life of the electric mechanism.

The invention discloses a non-isothermal creep age forming method for an Al-Zn-Mg-Cu series aluminum alloy plate. The method comprises the following steps: carrying out enhanced solution treatment on the Al-Zn-Mg-Cu series aluminum alloy plate; the alloy plate treated in the first step is subjected to mechanical loading, and the alloy surface is attached to the mold; the alloy plate treated in the second step is subjected to non-isothermal creep aging treatment, the highest aging temperature of non-isothermal creep aging forming is 160-200 DEG C, the heating rate is 10-40 DEG C/h, heating is stopped after the alloy plate is heated to the highest aging temperature, and furnace cooling is conducted; and the mold and the plate are integrally taken out, and the plate is unloaded from the mold. Intragranular and grain boundary precipitated phase parts are dissolved near the highest aging temperature, and the continuity of the grain boundary precipitated phase is broken. And in the subsequent furnace cooling process, the precipitated phase is separated out again, the grain boundary precipitated phase is still discontinuously distributed, the mechanical strength of the alloy is improved, and the corrosion resistance is improved.

The invention discloses a high-accuracy method for adjusting parameters. The method includes connecting an external device for adjusting special effect parameters; setting monitoring threads to obtain output data of the external device; and analyzing the output data and modifying corresponding special effect parameters in a special effect parameter adjusting system, and performing high-accuracy adjustment on the special effect parameters. According to the method for adjusting special effect parameters through the external device, the parameter adjustment is flexible, the speed of the parameter adjustment can be increased, and the parameter adjustment is accurate.