机器人（智慧交通安全灯光预警）

High-speed continuous variable quantum key distribution system and its bit frames synchronization method

... 本发明提供了种高速连续变量量子密钥分发系统及其位帧同步方法，所述位帧同步方法包括以下步骤：步骤，发送方生成组特殊数据作为同步帧；步骤二，发送方通过量子信道把相干态发送给接收方；步骤三，接收方使用平衡零差检测器测量相干态的位移分量；步骤四，根据步骤从经典信道获得的特殊数据的结构信息，接收方选定合适的交替电压判定阈值和帧同步段判定阈值来判定同步帧；步骤五，若在规定的时间里，接收方都没有搜寻到同步帧，则同步失败，此时接收方需要调整交替电压判定阈值的取值和帧同步段判定阈值的取值，然后重新通信。本发明能有效克服同步信号在量子密钥分发过程中受外界环境因素的干扰，实现通信双方同步。 ...

Grease injection device for feed granulation

The utility model relates to the technical field of feed processing, and discloses a grease injection device for feed granulation, which comprises a device shell, a feeding pipe is fixedly arranged at the upper part of the device shell, a stirring wheel is movably arranged below the feeding pipe, the stirring wheel is fixedly arranged on an output shaft of a motor, and the motor is fixedly arranged on the upper part of the device shell. The bottom of the stirring wheel is movably installed on the upper portion of the material receiving table, the motor is movably installed in the middle of the interior of the device shell, and a spraying cavity is movably formed in the lower portion of the interior of the device shell. According to the grease spraying device for feed granulation, the spraying cavity is formed in the device shell, the spraying heads are fixedly installed on the two sides in the spraying cavity, grease is evenly sprayed to feed through the spraying cavity and the spraying ...

Molding process method for cutting intersecting line and then bending pipe of vehicle body pipe fitting

The invention discloses a forming process method for firstly cutting an intersecting line and then bending a pipe of a vehicle body pipe fitting. The forming process method comprises the following steps: performing zero-allowance blanking, bending and unfolding calculation on a steel pipe, and determining the blanking and cutting length of the steel pipe of each workpiece. And according to the calculated blanking cutting length of the steel pipe, after the total cutting length, the cutting line and the arc opening direction marking line of the three-dimensional model of the part are processed, the three-dimensional model for cutting of the laser pipe cutting machine is formed. The three-dimensional model is guided into a laser pipe cutting machine to be cut; and clamping and bending the pipe. According to the method, the laser pipe cutting equipment is used for performing zero-allowance blanking and cutting precision on the intersecting line of the steel pipe, and the precision is guaranteed ...

Clamping device for machining outer circle of straight pipe section of large bent pipe

The invention relates to the technical field of machine manufacturing, in particular to a clamping device for machining the outer circle of a straight pipe section of a large bent pipe. Comprising a base, an upper connecting base, an inclined connecting base and a lower connecting base, the upper connecting base, the inclined connecting base and the lower connecting base are fixedly arranged on the base, the outer circle of the base is clamped and fixed through a clamping jaw of a lathe chuck, the upper connecting base is provided with a horizontal clamping space used for clamping a vertical section of a bent pipe, and the inclined connecting base is provided with an inclined clamping space used for clamping a corner section of the bent pipe. The lower connecting base is provided with a vertical clamping space used for clamping the horizontal section of the bent pipe, and the bent pipe is clamped and fixed to the upper connecting base, the inclined connecting base and the lower connecting ...

DN2000 pipe diameter thermosetting resin prepreg preparation device

The invention provides a DN2000 pipe diameter thermosetting resin prepreg preparation device, and belongs to the technical field of thermosetting resin prepreg production equipment. Comprising a yarn outlet box, a fixing box, an infiltration box, a drying box and a winding roller which are sequentially arranged, a pressing roller is installed on the inner side of the fixing box, and a rotating motor is installed at the end of the winding roller; a plurality of groups of yarn outlet mechanisms are arranged in the yarn outlet box and are vertically arranged, carding rods are arranged on the surface, facing the fixed box, of the yarn outlet box, a plurality of groups of carding rods are horizontally distributed at equal intervals, a collecting box is arranged on the upper surface of the infiltration box, a collecting groove is formed in the infiltration box, and a pumping and discharging pipe is mounted on the side wall of the infiltration box; one end of the pumping and discharging pipe communicates ...

Preparation method of fine-grain brass strip

The invention discloses a preparation method of a fine-grain brass strip. Comprising the steps of a, raw material pretreatment, b, raw material casting into a cast ingot, c, saw cutting and heat treatment on the cast ingot, d, rough machining of the cast ingot to obtain a thick brass strip, e, cleaning of the thick brass strip, f, finish machining of the thick brass strip to obtain a medium-thickness brass strip, g, cleaning of the medium-thickness brass strip, h, annealing of the medium-thickness brass strip in an air cushion furnace, and i, rolling of a finished product. Rolling the medium-thickness brass strip to obtain a thin brass strip, namely a finished product; and j, cleaning the finished brass strip. Through the method, brass grains are refined, the alloy performance is improved, and hot cracking can be effectively inhibited; the problems that in the prior art, a brass strip is large in grain size and few in grain boundary, so that plasticity of materials is low, and cracks occur ...

DN1200 pipe diameter thermosetting resin prepreg preparation device

The invention provides a DN1200 pipe diameter thermosetting resin prepreg preparation device, and relates to the technical field of material prepreg processing. Comprising a mounting table and a processing box mounted at the middle section of the mounting table, a material soaking box is arranged at the bottom of the processing box, a material soaking cavity is formed in the material soaking box, a fixing frame is fixed to the top of the mounting table, a plurality of bearing assemblies are arranged on the fixing frame at equal intervals, bearing frames are symmetrically fixed to the other end of the mounting table, and bearing rollers are rotationally arranged on the two bearing frames; the bearing assembly comprises a fixing column, a threaded rod is rotationally arranged in the fixing column, lantern rings symmetrically sleeve the threaded rod, bearing plates are symmetrically arranged on the outer edge of the fixing column, and supporting rods are hinged between the bearing plates and ...

Resource scheduling method and device, equipment and storage medium

The invention provides a resource scheduling method and device, equipment and a storage medium, and relates to the technical field of computers, in particular to the technical field of cloud computing. According to the specific implementation scheme, the method comprises the steps of obtaining an actual consumption representation value representing actual resource consumption of services in a statistical period; based on a rated resource quantity corresponding to the service, the actual consumption characterization value and a preset resource redundancy ratio, determining whether the service meets an adjustment condition for the rated resource quantity; under the condition that the service meets the adjustment condition, adjusting a rated resource quantity corresponding to the service based on the actual consumption characterization value and the resource redundancy proportion; and in response to a resource scheduling request for the service, scheduling resources for the service based on ...

Method, system and equipment for unifying interaction between H5 and two-dimensional and three-dimensional map engines and medium

The invention discloses a unified H5 and two-dimensional and three-dimensional map engine interaction method, system and device and a medium, and the method comprises the steps: 1, generating an instruction protocol by H5 according to user operation, and pushing the instruction protocol to a unified API (Application Program Interface); step 2, the unified API caches an instruction protocol from H5; step 3, analyzing the instruction protocol by the unified API, and then calling a corresponding map engine API; 4, the unified API obtains a result after interactive processing of the map engine API; 5, the unified API modifies the instruction protocol state in the cache according to the result information processed in the step 4; and step 6, the unified API informs the H5 that the instruction is executed completely, and returns an instruction execution result. According to the method, the same technology stack and the same set of software system are realized, multiple map engines are adapted ...

Endoscope, imaging system, and endoscope control method

The invention discloses an endoscope, an imaging system and an endoscope control mode, the endoscope comprises an operation part and an insertion part which are connected, the operation part is arranged at the near end of the insertion part, the insertion part at least comprises a head end section and a bending section which are located at the far end of the insertion part, the bending section can be bent, and the head end section is arranged at the far end of the insertion part. The head end section is connected to the far end of the bending section, and the endoscope further comprises a rigidity adjusting assembly acting on the bending section so that the bending section can be in a rigid state; the rigidity adjusting assembly responds to user operation to drive the bent section to be switched between the bent state and the rigid state. In the mode, the endoscope can be switched between the working states of the bending state and the rigid state, so that the requirements for rigidity ...

Flap folding and unfolding device and aircraft

The invention discloses a flap retracting and releasing device and an aircraft, the aircraft comprises a wing and a flap, and the flap retracting and releasing device comprises a connecting rod assembly arranged on the wing and rotationally connected with one end of the flap; the linear driving assembly is arranged on the wing, the linear driving assembly is provided with a fixed end and a driving end, the fixed end is arranged on the wing, and the driving end is rotationally connected with the end, deviating from the connecting rod assembly, of the flap to drive the flap to rotate relative to the connecting rod assembly, so that the flap has a folded state abutting against the wing and an opened state at a preset interval with the wing. According to the technical scheme, the service life of the flap retracting and releasing device is prolonged.

NOISE REDUCTION METHOD FOR MULTICOMPONENT SEISMIC DATA VECTOR, AND NOISE REDUCTION DEVICE FOR MULTICOMPONENT SEISMIC DATA VECTOR

A noise reduction method for a multicomponent seismic data vector, and a noise reduction device for a multicomponent seismic data vector, pertaining to the technical field of seismic data processing. The noise reduction method for a multicomponent seismic data vector comprises: parsing multicomponent seismic gather data, and obtaining multiple multicomponent seismic data chunks (S101); performing a quaternion Fourier transform on each of the multicomponent seismic data chunks, and obtaining quaternion frequency-domain seismic data (S102); extracting, in a quaternion frequency domain, a frequency slice, filtering the frequency slice by means of Cadzow filtering, and obtaining filtered quaternion frequency-domain seismic data (S103); and calculating and obtaining, according to the filtered quaternion frequency-domain seismic data, each filtered seismic data component (S104). The invention combines a quaternion Fourier transform and Cadzow filtering to filter multicomponent seismic data in ...

CARD HOLDER, CARD SLOT, AND CARD INSERTION APPARATUS

Provided are a card holder (10), a card slot (20), and a card insertion apparatus; the card insertion apparatus comprises the card holder (10) and the card slot (20), and the card holder (10) comprises: a first position limiter (101) securing a first card (50), and a first layer groove (30) located on said card holder (10); a second position limiter (102) securing a second card (60), and a second layer groove (40) located on said card holder (10); the second layer groove (40) and the first layer groove (30) have an overlapping space, and the overlapping space at least corresponds to a pin of the second card (60); a non-overlapping-space position of the first layer groove (30) at least corresponds to a pin of the first card (50).

Glue rolling device for thermosetting resin glass fiber prepreg

The invention provides a thermosetting resin glass fiber prepreg rubber rolling device, and belongs to the technical field of fiber reinforced composite materials. Comprising a processing box for feeding thermosetting resin glass fiber prepreg for processing, and a gluing mechanism, a glue rolling mechanism and a glue fixing mechanism which are sequentially arranged in the processing box along a processing procedure, the gluing mechanism comprises a fixing frame fixed to the upper end face of the processing box, an air cylinder is fixed to the fixing frame, a fixing barrel is elastically installed on the lower end face of the fixing frame and abuts against the upper end face of the processing box in a matched mode, a storage barrel which extends into the processing box and is used for glue dripping is installed in the fixing barrel, and a crankshaft of the air cylinder is connected with a driving rod. And the lower end of the driving rod extends into the top of the storage barrel and is ...

WAVELENGTH CONVERTER

Disclosed is a wavelength converter. The wavelength converter comprises a reception end and a sending end. The reception end comprises: a coherent detection front-end module, used for extracting a phase and polarization information of a first light signal entering the reception end, and performing signal separation processing on the first light signal according to different phases and polarizations, a wavelength of the first light signal being a first wavelength; and a light detection module, used for detecting the processed light signal, and converting the processed light signal into an electric analog signal. The sending end comprises: a carrier light source module, used for generating a target carrier, a wavelength of the target carrier being a second wavelength; multiple linear drivers, used for enabling multiple paths of electric analog signals to be synchronously loaded into corresponding light modulation modules; and light modulation modules, used for modulating electric analog signals ...

Six-petal type inward shrinkage mechanism for mold

The mechanism comprises the mold, a mold core is installed on the inner side of the mold, a limiting sleeve is arranged at the top of the mold core, a sleeve groove is formed in the end wall of the limiting sleeve, a penetrating opening is formed in the end wall of the mold core, a six-petal inclined ejector block is installed on the inner side of the penetrating opening, and an ejector head is installed on the end side of the sleeve groove. The six-petal type inward shrinkage mechanism for the mold has the beneficial effects that a jacking mechanism is formed through the six jacking heads and the six-petal inclined jacking blocks in each set, the six jacking heads are independently driven by the six six-petal inclined jacking blocks, the six jacking heads are annularly attached together to be connected with an inner cavity of a product in a sleeved mode, the six jacking heads move along with the movable mold, and therefore the product can be tightly pressed. When the mold is in an ejection ...

SOLAR CELL DEVICE BASED ON STRAIN TYPE HETEROJUNCTION QUANTUM DOTS AND MANUFACTURING METHOD THEREOF

The present invention relates to the field of solar cell material. Provided are a solar cell device based on strain type heterojunction quantum dots and manufacturing method thereof. The solar cell device comprises at least two Ge/Si quantum dot structural layers grown on a doped silica-based substrate (1); the Ge/Si quantum dot structural layers comprise Si film layers (3) having Ge quantum dots (2) of 2-7 nm in diameter, the innermost Si film layer (3) being 2-4 nm, and increasing incrementally therefrom; the outermost quantum dot structural layer is SiO2 cover film layer (4) filling gaps between quantum dots, forming a multi-layer structure of quantum dot array filling film; a silicon doped layer protective film (5) of 10-20 nm in thickness is grown on the cover film layer (4); electrodes (7) are grown on the outer surfaces of the silicon doped layer (5) and the silica-based substrate (1). The energy band ranges from 0.4 eV to 0.22 eV and the corresponding conversion efficiency is 55% ...

Concrete pipe pile static pressure construction instrument

The utility model relates to a concrete pipe pile static pressure construction instrument which comprises a hoisting pipe, the hoisting pipe is of a two-section type structure, a plurality of connecting rods are distributed at the opening attaching position of the hoisting pipe at equal intervals, rod bodies of the connecting rods are fixedly connected with the outer wall of the hoisting pipe, and detachable pull rods are arranged between openings of the hoisting pipe. The dismounting pull rod is arranged in the length direction of the opening of the hoisting pipe, a dismounting head is arranged on the dismounting pull rod, the rod end of the dismounting pull rod is connected with the pulling mechanism, and the dismounting pull rod moves upwards to enable the dismounting head to be in linkage with the connecting rod to separate the outer wall of the two-petal hoisting pipe; a guide extrusion plate is arranged at a pipe opening in the lower end of the hoisting pipe, the interior of a pipe ...

Rolling bearing cross-domain intelligent fault diagnosis method under small sample condition

The invention discloses a rolling bearing cross-domain intelligent fault diagnosis method under a small sample condition, relates to the field of mechanical intelligent fault diagnosis, and solves the problem that a target domain has no available label through artificial limitation of the number of training samples of a source domain and a target domain, simulation of small sample conditions and pseudo-label learning. Through calculating the cosine similarity of the source domain and the target domain and combining with the conditional adversarial network, deep sub-domain self-adaption is realized, meanwhile, the training sample size of the classifier is expanded, and the fault diagnosis accuracy of the fault diagnosis model under the small sample condition is improved.

GNSS (Global Navigation Satellite System) equipment for unmanned aerial vehicle track detection

The invention relates to GNSS equipment for track detection of an unmanned aerial vehicle. The device comprises a GNSS antenna signal amplification circuit, a GNSS chip, an MCU and a TF card, the GNSS radio frequency amplification circuit comprises a GNSS antenna, the GNSS antenna adopts a PCB board-mounted patch antenna, and the weight of the PCB board-mounted patch antenna is less than 1g; the GNSS chip is a full-system GNSS navigation chip, the model of the GNSS navigation chip is UM960, and the weight of the GNSS navigation chip is 8 g. The GNSS equipment for unmanned aerial vehicle trajectory detection is light in weight, and can meet the requirements of flight trajectory detection of various consumer unmanned aerial vehicles, industrial unmanned aerial vehicles and military unmanned aerial vehicles.

Water supply device of steel plate ultrasonic phased array detection equipment

The invention discloses a water supply device of steel plate ultrasonic phased array detection equipment, and relates to the technical field of steel plate nondestructive detection. The water inlet end of the filtering water tank is communicated with the water outlet end of the bag type filter; the water supply pump group comprises a first water supply pump, a second water supply pump and a third water supply pump, the water inlet ends of the water supply pumps are communicated with the water outlet end of the filtering water tank, the water outlet ends of the water supply pumps are connected with water supply pipelines, and the three water supply pipelines are respectively communicated with the water inlet end of the ultrasonic phased array detection equipment; and the water return end of the ultrasonic phased array detection equipment is communicated with the water inlet end of the bag filter through a return pipeline. Impurities in circulating water are effectively removed through the ...

SNP (Single Nucleotide Polymorphism) molecular marker related to goose meat quality character

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker related to goose meat quality traits, relates to the field of gene sequencing, and adopts the technical scheme that in order to screen and identify single nucleotide polymorphism (SNP) related to the goose meat quality traits, a 70-day-old male Sichuan white goose is subjected to whole genome association analysis (GWAS) to screen SNP in a goose genome. In addition, the genotype of the selected SNP associated with goose meat is detected using a matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDITOPMS) method. The result shows that 43 SNPs are obviously related to the characteristics. In addition, 28 annotated genes are detected as potential candidate genes of five meat traits. The gene enrichment analysis in the 1Mb range near the SNPs shows that the protein digestion and absorption pathway and the glycolipid metabolism pathway are obviously enriched. Research results provide ...

Three-dimensional simulation visual simulation drilling method and device for substation equipment maintenance

The invention discloses a transformer substation equipment maintenance three-dimensional simulation visual simulation drilling method and device, and the method comprises the steps: building a simulation three-dimensional model through collecting the data information of a transformer substation operation site and the related parameters of hoisting equipment, newly adding a maintenance work ticket, and selecting a hoisting vehicle; the method comprises the following steps: planning a vehicle path and managing vehicle tasks, arranging a working site construction environment, carrying out vehicle path safety distance detection and suspension arm safety distance detection on working site electrified part equipment and a hoisting vehicle by adopting a preset safety distance detection model, and controlling a hoisting vehicle model to be linked with other hoisting equipment models. And completing dismounting and maintenance rehearsal of the other hoisting equipment models. Therefore, according ...

Production method of tin brass

The invention discloses a production method of tin brass. The production method comprises the following steps: smelting raw materials and reclaimed materials of the tin brass according to a ratio of 1: (2.5-3.5), and casting; the casting blank is subjected to 15-pass hot rolling, vibration is applied while rolling is conducted, and the casting blank is rolled into a cast ingot; milling the surface of the cast ingot; performing primary rolling; annealing in a bell-type furnace; trimming is conducted; rough rolling; annealing in a bell-type furnace; rough rolling; annealing in an air cushion furnace; rolling a finished product; cleaning and passivating; the tin brass is produced at a low cost, and the tin brass with the tensile strength of 480-570 Mpa, the ductility of more than or equal to 5%, the hardness of 150-190 HV and the high yield is stably produced by controlling all the production processes.

Production method and production system of solanal/solanol

The invention provides a production method and a production system of raw nightshade aldehyde/nightshade alcohol. The method comprises the following steps: a) oxidizing cumene into cumene hydroperoxide; b) oxidizing alpha-methyl styrene into 2-phenyl-1, 2 epoxypropane by taking cumene as a solvent and cumene hydroperoxide as an oxidizing agent, and simultaneously obtaining alpha, alpha-dimethyl benzyl alcohol; c) carrying out an isomerization reaction and a dehydration reaction on the product obtained in the step b) so as to generate solanal from 2-phenyl-1, 2-epoxypropane and generate alpha-methylstyrene from alpha, alpha-dimethyl benzyl alcohol; d) separating the solanal, the alpha-methyl styrene and the isopropyl benzene in the product obtained in the step c); optionally, e) carrying out selective hydrogenolysis reaction on a part of the material which is completely subjected to the step c) or only subjected to the isomerization reaction in the step c) to obtain solanol and isopropylbenzene ...

Preparation and application of CeO2/CuO-PEG-GOD material

The invention discloses preparation of a CeO2/CuO-PEG-GOD material and application of the anti-tumor performance, relates to a CeO2/CuO-PEG-GOD nano material, and aims to solve the problems of local oxygen deficit of tumors and limited endogenous H2O2 content, the CeO2/CuO-PEG-GOD nano material is designed and developed, and the CeO2/CuO-PEG-GOD nano material is prepared by the following steps: dissolving sodium hydroxide and cerous nitrate in distilled water, uniformly mixing, adding a proper amount of sodium hydroxide and a proper amount of cerous nitrate into the distilled water, uniformly stirring, adding a proper amount of sodium hydroxide, uniformly stirring, adding a proper amount of water, and uniformly stirring to obtain the CeO2/CuO-PEG-GOD nano material. The preparation method comprises the following steps: obtaining a cerium dioxide precursor by a hydrothermal method, and calcining the precursor at 400 DEG C for 3 hours to obtain cerium dioxide; the preparation method comprises ...

Real-time target detection method and system for unmanned aerial vehicle platform

The invention relates to a real-time target detection method and system for an unmanned aerial vehicle platform. The method comprises the steps of obtaining an unmanned aerial vehicle image data set; performing preprocessing and manual annotation on the unmanned aerial vehicle image data set to obtain an unmanned aerial vehicle data set; an improved YOLOv3-spp network model is established; training and verifying the improved YOLOv3-spp network model by using the unmanned aerial vehicle data set to obtain an unmanned aerial vehicle fire detection model; and inputting the unmanned aerial vehicle image test data set into the unmanned aerial vehicle fire detection model to obtain a test result and an evaluation result of the performance of the unmanned aerial vehicle fire detection model. The method has higher feature extraction capability and anti-interference capability, is good in real-time performance, and can well complete the target detection task of the aerial image of the unmanned aerial ...

Stacking manipulator for pig feed

The utility model relates to the technical field of manipulators, and discloses a stacking manipulator for pig feed, which comprises a mechanical arm, a connecting frame is movably mounted at one end of the mechanical arm, a telescopic rod is fixedly mounted at the bottom of the connecting frame, and the bottom of the telescopic rod is fixedly connected to a support plate. A swing rod is movably mounted at the bottom of the supporting plate, a connecting rod is fixedly mounted at the bottom of the connecting frame, the middle of the swing rod is movably mounted at the bottom end of the connecting rod, and a clamping jaw is movably connected to the bottom of the swing rod. According to the stacking manipulator for the pig feed, the supporting rods and the foot pads are movably mounted on the two sides of the clamping jaws, and the first springs and the second springs are movably mounted on the upper sides of the supporting rods, so that the clamping jaws can conveniently support and stabilize ...

DN800 pipe diameter special resin prepreg preparation device

The invention provides a DN800 pipe diameter special resin prepreg preparation device, and belongs to the technical field of special resin preparation. Comprising a control cabinet body which is provided with a plurality of filling heads used for resin subpackaging; the preparation tank is arranged at the top of the control cabinet body, and a stirring structure used for being matched with resin preimpregnation preparation is arranged in the preparation tank; the discharging pipe is arranged at the bottom end of the preparation tank, a three-way valve is installed at the bottom end of the discharging pipe, the other two ends of the three-way valve are connected with the control cabinet body and a discharging pipe respectively, and the discharging pipe horizontally extends out of the control cabinet body and is provided with a discharging port. The device integrates preimpregnation preparation, split charging and excess material collection, realizes programmed processing of preimpregnation ...

Assembling equipment and assembling method for inflatable shaft

The invention discloses an air expansion shaft assembling device and an assembling method thereof.The air expansion shaft assembling device comprises a device body and an assembling assembly, the device body is provided with a mounting table used for supporting an air container, and the device body is provided with a butt joint base communicating with a ventilation unit and used for supporting the air container; wherein the butt-joint seat is provided with a butt-joint part which extends and protrudes along the axial direction and is used for being inserted into the second opening, the butt-joint part forms a butt-joint channel and is used for being in butt joint with the second opening, the assembling assembly comprises a flaring component, the flaring component is provided with at least one pair of flaring arms, and the flaring arms are connected with the butt-joint part. Each pair of flaring arms can be movably arranged on the mounting table in the radial direction, so that the flaring ...

OPTICAL SWITCHING APPARATUS AND CALIBRATION METHOD THEREFOR

Disclosed are an optical switching apparatus and a calibration method therefor. The optical switching apparatus is used for performing optical switching on a received optical network signal and then outputting same to the outside, and comprises a first optical switch (21), a second optical switch (22) and a control module (23). The first optical switch (21) and the second optical switch (22) are both used for performing optical switching on an optical network signal; and the control module (23) is used for controlling the optical network signal to pass through the second optical switch (22), and calibrating the first optical switch (21) when a calibration of the first optical switch (21) is required, and can guarantee that the optical switching is not affected during the calibration of the optical switch, and ensure the reliability of the calibration.

Bus stop broadcasting method and device, terminal and medium

The invention is suitable for the field of intelligent bus stations, and provides a bus station broadcasting method and device, a terminal and a medium, and the method comprises the steps: obtaining a voice broadcasting request of a target line; in response to the voice broadcast request, acquiring bus real-time operation information of the target line based on equipment transmission information of a bus station and preset basic information; wherein the equipment transmission information comprises basic information, arrival time and/or departure time of the bus; and broadcasting the bus real-time operation information of the target line by adopting a preset voice broadcasting mode. According to the scheme, passengers can obtain the bus operation information in time through the bus station.

Power battery protection method and device, terminal equipment and computer medium

The invention discloses a power battery protection method and device, terminal equipment and a computer medium. The method comprises the following steps: acquiring a real-time temperature value, a real-time voltage value and a real-time smoke signal value of a target battery box; when the real-time temperature value is larger than or equal to a preset temperature threshold value, the real-time voltage value is smaller than or equal to a preset voltage threshold value, and the real-time smoke signal value is out of a preset smoke signal range, inert gas is injected into the target battery box, and gas injection time is recorded; and when the gas injection time is greater than or equal to a preset time threshold value, the real-time temperature value is greater than or equal to the temperature threshold value, the real-time voltage value is less than or equal to the voltage threshold value and the real-time smoke signal value is out of the smoke signal range, injecting a fire inhibitor into ...

OPTICAL COMMUNICATION METHOD AND APPARATUS

Provided are an optical communication method and apparatus. The method is executed in a communication node comprising an input optical modulator array and an output optical modulator array; the input optical modulator array comprises N input optical modulators; M is larger than the number of the output optical modulators which can be covered by one input optical modulator, N is larger than the number of the input optical modulators which can cover the same output optical modulator. The method comprises: determining at least two local input areas from the input optical modulator array, each input optical modulator in each local input area being used for receiving nonlocal signal light; and determining at least two local output areas from the output optical modulator array, each output optical modulator in each local output area being used for transmitting the nonlocal signal light, at least two local input areas and at least two local output areas being in one-to-one correspondence, and ...

Method for co-extracting vanadium and chromium from high-chromium vanadium slag and application of method

The invention provides a method for co-extracting vanadium and chromium from high-chromium vanadium slag and application of the method. The method comprises the following steps: roasting the high-chromium vanadium slag and calcium salt to obtain roasted clinker, leaching the roasted clinker by using an extracting agent to obtain leachate, and cooling the leachate to obtain sodium orthovanadate and crystallization mother liquor; adding calcium oxide into the crystallization mother liquor to obtain a chromium-containing solution, carrying out first reduction on the chromium-containing solution to obtain chromium hydroxide, and carrying out first calcination on the chromium hydroxide to obtain chromium sesquioxide; mixing the sodium orthovanadate, water and carbon dioxide to obtain sodium metavanadate, sequentially carrying out transformation and secondary reduction on the sodium metavanadate, carrying out secondary calcination to obtain reduced clinker, and mixing the reduced clinker, washing ...

UNIVERSAL PRESSURE SENSOR FOR AUTOMOBILE

An universal pressure sensor for automobile comprises a sensor housing (5,6), a silicon piezoresistive sensitive core (1,2), a sensor core base (3), a signal conditioning circuit (101)and an automobile electric appliance interface (7). The silicon piezoresistive sensitive core (1,2), the sensor core base (3) and the signal conditioning circuit (101) are positioned in the interior cavity of the sensor housing (5,6), and the sensor core base (3) is hermetically screwed into the pressure entrance port of the sensor housing (5,6) mounted on the automobile electric appliance interface (7). The silicon piezoresistive sensitive core (1, 2) includes a silicon piezoresistive sensitive element (1) and a glass ring (2). The silicon piezoresistive sensitive element (1) is welded to one side of the glass ring (2), and an insulating oxide coating is formed on this side of the silicon piezoresistive sensitive element (1) and the glass ring (2). The other side of the glass ring (2) is hermetically fixed ...

Energy-saving monitoring device and monitoring method for coal-fired industrial boiler

The invention discloses an energy-saving monitoring device and method for a coal-fired industrial boiler, and belongs to the technical field of boiler online monitoring. In order to solve the problem that energy-saving monitoring of the coal-fired industrial boiler is troublesome, the weighing supporting plate is arranged, coal can be put into the boiler after being weighed, and therefore the real-time coal using condition of the coal-fired boiler can be monitored and counted, the real-time coal using condition can be counted and compared with other data conditions of the boiler, and the real-time coal using condition of the coal-fired industrial boiler can be monitored. Various information sensors are arranged to count various data when the boiler body works, so that various numerical values when the boiler body operates can be comprehensively controlled, the monitoring result is more accurate, the monitoring terminal can analyze and process the data through various modules in the monitoring ...

Method and system for accurately determining video watching duration

The invention discloses a method and system for accurately determining video watching duration, and the method comprises the steps: monitoring a video data access protocol and a port through a video background server, and determining a connection mode for a user to obtain a video according to the video data access protocol and the port; and selecting a corresponding calculation method to calculate the starting and ending moments and the watching duration when the user watches the video online, and binding and storing the user information, the starting and ending moments when the user watches the video and the watching duration, so as to accurately determine the video watching duration of each user. According to the method, under the condition that the online watching experience of the users and the overall performance of the platform are not affected, the starting and ending moments and the watching duration of online video watching of each user are extremely accurately calculated. The ...

Special resin prepreg preparation device

The invention provides a special resin prepreg preparation device, and belongs to the technical field of resin prepregs. Comprising a supporting seat, the top of the supporting seat is provided with a fiber unfolding mechanism used for dispersing fibers, one side of the fiber unfolding mechanism is rotatably provided with a conveying roller set used for transferring the dispersed fibers, and one side of the conveying roller set is provided with an infiltration cavity used for limiting and infiltrating the dispersed fibers. The communication cavity-shaped structures are formed between one side of the first vibration part and one side of the second vibration part, superposed vibration waves are formed, the superposed vibration waves interact to enable the second vibration part to form double-layer vibration waves, a partition cavity is formed in the first mounting cavity through blocking of the bearing part, sound wave vibration is gathered and reflected, and the sound wave vibration effect ...

Irregular facade super high-rise building unit type curtain wall hoisting system

The invention provides an irregular facade super high-rise building unit type curtain wall hoisting system which comprises a posture adjusting table, a traction rope and at least two guide ropes, one end of each guide rope is connected with the top of a building body, the other end of each guide rope is connected with the posture adjusting table, and the irregular facade super high-rise building unit type curtain wall hoisting system further comprises a pull frame and a guide sliding frame. The other end of the pulling frame is connected with the pulling rope, the middle of the guiding sliding frame is connected with the rear end of the curtain wall unit plate, the two ends of the guiding sliding frame are provided with the buckling devices, the buckling devices are slidably connected with the guiding rope in a sleeved mode, and the problem of hoisting of super high-rise buildings and curtain walls with irregular external facades is solved.

Pretreatment method and application of cumene oxidation liquid

The invention discloses a pretreatment method and application of cumene oxidation liquid. The method comprises the following steps: carrying out alkali washing treatment on the cumene oxidation liquid containing cumene hydroperoxide by adopting an alkali washing agent, then carrying out oil-water phase separation treatment, and finally enabling the obtained oil phase to pass through a hydrophobic filtering material. Compared with an oxidation liquid containing high-concentration acid and sodium ions, the oxidation liquid treated by the method disclosed by the invention can obviously improve the activity and stability of an epoxidation catalyst as a raw material for epoxidation reaction. Compared with an existing deacidification and sodium removal treatment process, the method does not need to adopt enhanced separation means such as multi-stage water washing and hydrocyclone separation, and the process is simpler and more convenient.

Driving chuck, driven chuck and winding and unwinding device thereof

The invention discloses a driving chuck, a driven chuck and a winding and unwinding device of the driving chuck and the driven chuck, and aims to overcome the defects that an existing chuck structure needs to provide a disengaging open groove, so that a winding roller jumps, and the winding effect is poor. The device comprises a fixed seat, the rear end seat is fixedly connected to the rear part of the fixed seat; the sliding shaft sleeve is in sliding connection with the inner walls of the fixed seat and the rear end seat respectively; the driving shaft is arranged in the sliding shaft sleeve, and the driving shaft and the sliding shaft sleeve are rotationally arranged; the motor connecting shaft is in key connection with the driving shaft through a spline; the head of the driving shaft is fixedly connected with a chuck body, and the chuck body is provided with a preset modeling hole used for positioning the inflatable shaft. The sliding shaft sleeve moves to drive the chuck to move in ...

USE OF RED BLOOD CELL IN PREPARATION OF PHOTOTHERMAL CONVERSION MATERIAL

Disclosed is use of red blood cells in the preparation of a photothermal conversion material, and further disclosed is use of red blood cells in the preparation of a tumor photothermal therapy formulation. Red blood cells have a good heating effect under near-infrared laser irradiation, and the photothermal effect of red blood cell gel formed in situ after injection in vivo can effectively burn tumors to release tumor-associated antigens.

Vertical take-off and landing aircraft matched with main and auxiliary power system

The utility model discloses a vertical take-off and landing aircraft matched with a main power system and an auxiliary power system, and belongs to the technical field of aircrafts. The unmanned aerial vehicle comprises a vehicle body and a power system, the power system is arranged on the vehicle body and comprises a rotor wing and a motor, the rotor wing is connected with the motor, the power system is divided into a main power system and an auxiliary power system, and the power of the motor of the main power system is larger than that of the motor of the auxiliary power system. On the premise of ensuring the safety and the reliability of the aircraft, the cost and the weight of the aircraft are reduced, and the loading capacity of the aircraft is improved.

Color sorter for pig feed production and processing raw material selection

The utility model relates to the technical field of color sorters, and discloses a color sorter for pig feed production and processing raw material selection, which comprises a first sorting chamber, two corrugated pipes are fixedly mounted at the left end of the top of the first sorting chamber, and a color sorting detector is fixedly mounted at the right end of the top of the first sorting chamber; and three vibration rods are placed in the middle of the bottom of the first sorting chamber, a disc is fixedly installed at the bottoms of the three vibration rods, and a motor is fixedly installed at the bottom of the disc at the left end. According to the color sorter for pig feed production and processing raw material selection, the first sorting chamber, the vibration rod, the spring damping cylinder and the like are arranged, so that the purpose of thorough discharging is achieved, primarily treated materials enter the color sorter through the corrugated pipe, and most materials can be ...

Excessive refusing transformation calculation judgment and treatment method for expressway toll station

The invention discloses a highway toll station-oriented super-refusal transformation calculation judgment and treatment method, which comprises the following steps of: constructing a toll station overload influence evaluation index system which is divided into a target layer, a criterion layer, an index layer and a scheme layer; according to the toll station traffic data, the peak hour toll station saturation under the traffic state dimension is calculated; inviting an expert to fill in a questionnaire, establishing a judgment matrix, performing consistency check, solving a weight vector of each index, and establishing an analytic hierarchy model; performing normalization processing on the toll station traffic data, substituting the data into an analytic hierarchy model, calculating toll station overload influence scores, and dividing each toll station into a transformation-level toll station and a non-transformation-level toll station according to the scores; and S5, according to the total ...

Flight control method, unmanned aerial vehicle, terminal equipment and medium

The invention discloses a flight control method, an unmanned aerial vehicle, terminal equipment and a computer readable storage medium, and the method comprises the steps: obtaining to-be-processed data inputted into a dual-redundancy flight management computer, and transmitting the to-be-processed data to a first flight control processor and a second flight control processor in the dual-redundancy flight management computer; respectively processing the data to be processed through the first flight control processor and the second flight control processor; and outputting a processing result of processing the to-be-processed data by the first flight control processor or the second flight control processor so as to control the flight of the unmanned aerial vehicle. According to the invention, flight control of the unmanned aerial vehicle can be carried out based on the two processors in the dual-redundancy flight management computer, so that the safety of the unmanned aerial vehicle in the ...

Mould stripping product collecting frame

The mold stripping product collecting frame comprises a frame, frame openings are formed in the left end and the right end of the frame, penetrating openings are formed in the left end wall and the right end wall of the frame, material collecting mechanisms are installed on the inner sides of the frame openings, an inner cavity is formed in the frame, and meshes are formed in the end wall of the middle of the frame. A penetrating hole is formed in the top of the frame, an inner hole is formed in the bottom of the frame, a sealing plug is installed on the inner side of the inner hole, and a penetrating groove is formed in the bottom of the frame in a penetrating mode. The mold stripping product collecting frame has the beneficial effects that the stand column moves downwards in the vertical direction of the sliding seat opening through rotation of the lead screw and threaded transmission of the stand column, the downward-moving stand column pushes the abutting seat to move downwards, the ...

Stone covering device for static pressure construction of concrete pipe pile

The utility model relates to a stone covering device for concrete pipe pile static pressure construction, which comprises a hoisting pipe, a guide extrusion plate is arranged at a pipe orifice at the lower end of the hoisting pipe, stones are contained in a pipe cavity of the hoisting pipe, the guide extrusion plate is connected with a driving mechanism, and the driving mechanism drives the plate end of the guide extrusion plate to be far away from a pipe core of the hoisting pipe. The outer diameter of the plate end of the guide extrusion plate is larger than that of the hoisting pipe, when the guide extrusion plate is far away from a pipe core of the hoisting pipe, the plate end of the guide extrusion plate abuts against the inner wall of the drill hole, when construction operation on the pipe pile is carried out, the hoisting pipe is hoisted into the drill hole, the driving mechanism is started, the plate end of the guide extrusion plate is far away from the pipe core of the hoisting ...

Neutron dose measurement method and device

The invention provides a neutron dose measurement method. The neutron dose measurement method comprises the following steps: determining a to-be-corrected unit corresponding to a dose monitoring system; determining a first correction factor based on the number of rays emitted by the to-be-activated nonmetal unit after neutron activation and a to-be-corrected unit corresponding to the dose monitoring system; and correcting the dose monitoring system based on the first correction factor to determine the real-time neutron dose of the patient. According to the method, the sensitivity of the dose monitoring system is corrected by determining the first correction factor, so that the neutron real-time dose of the patient is determined, measurement errors caused by sensitivity reduction or position change of the dose monitoring system are avoided, and the accuracy and reliability of a measurement result are improved. On the other hand, the invention provides a neutron dose measuring device corresponding ...

Eutectic solvent for leaching valuable metal in waste ternary lithium ion battery positive electrode material, preparation method and leaching method

The invention provides a deep eutectic solvent for leaching valuable metals in a waste ternary lithium ion battery positive electrode material, and a preparation method and a leaching method thereof, and belongs to the technical field of recycling of waste lithium batteries. The eutectic solvent is prepared from choline chloride, p-toluenesulfonic acid dihydrate and ethylene glycol; the molar ratio of the choline chloride to the p-toluenesulfonic acid dihydrate to the ethylene glycol is (1-2.5): (1-2.5): (1-2.5). When the positive electrode material of the waste lithium ion battery is leached, the reaction temperature is low, the reaction time is short, other reducing agents do not need to be added, and the efficiency of recycling valuable metal elements such as lithium, nickel, cobalt and manganese in the positive electrode material of the lithium ion battery is also high. The leaching rate of the valuable metal element lithium ranges from 96.59% to 98.25%, the leaching rate of nickel ...

Coated carbon-based composite material as well as preparation method and application thereof

The invention provides a coated carbon-based composite material and a preparation method and application thereof, and the preparation method comprises the following steps: S1, carrying out pyrolysis carbonization, crushing and screening on a hard carbon precursor to obtain primary particles; and S2, mixing the primary particles obtained in S1 with a conductive agent, and carrying out coating modification, carbonization and screening to obtain the coated carbon-based composite material. The obtained material has high conductivity, the rate capability and the first discharge efficiency of the sodium battery negative electrode material are excellent, and the material is simple in preparation method and easy to amplify.

Flight control equipment processing method, device and equipment and computer readable storage medium

The invention discloses a flight control equipment processing method, device and equipment and a computer readable storage medium, and the method comprises the steps: building communication connection with flight control equipment through a predetermined interface after a processing instruction is triggered, and transmitting a test instruction to the flight control equipment based on the predetermined interface and a related test interface; performing a data transceiving test on the flight control equipment based on the test instruction and the related test interface; and after the data receiving and transmitting test is successful, testing a preset test item of the flight control equipment to obtain a test result. According to the invention, the test process is simplified, the dependence on production test and maintenance personnel is reduced, the test of the flight control equipment is more convenient and simpler, the influence of human subjective factors in the test is reduced, and the ...

A automatic compensation mechanism for electric power hydraulic disc stopper

... 本实用新型公开了一种用于电力液压盘式制动器的自动补偿机构，它包括壳体，壳体内腔中安装有多头螺纹连接轴、螺轴和连接轴，螺轴与多头螺纹连接轴通过内外螺纹连接，多头螺纹连接轴外与端面齿挡圈为间隙配合，端面齿挡圈与壳体之间连接成为一个整体，多头螺纹连接轴外套有多头螺纹套Ⅰ，多头螺纹套Ⅰ外安装有多头螺纹套Ⅱ，多头螺纹套Ⅱ内侧的多头螺纹连接轴上安装有挡板，所述多头螺纹套Ⅱ外套有端面轴承、弹簧挡环和弹簧Ⅰ，弹簧Ⅰ位于端面轴承和弹簧挡环之间，连接轴的内腔中装配有弹簧Ⅱ、端面轴承和螺轴，螺轴外侧由挡块压紧，挡块与连接轴连接成为一个整体。改良后的多头补偿机构能够实现逐级补偿，且在制动过程中始终保持制动衬垫与制动盘之间的距离恒定，不会出现过补偿现象。 ...

Initiating explosive device resistance self-checking system and method

The initiating explosive device resistance self-checking system comprises an initiation power supply, a control module, an initiating explosive device resistance detection branch, an initiating explosive device working branch, a main initiating explosive device and a standby initiating explosive device, and when the initiating explosive device resistance detection branch receives a first resistance detection signal, a first detection loop is conducted; the control module sends a second resistance detection signal when the main initiating explosive device in the first detection loop does not pass the resistance detection; the initiating explosive device resistance detection branch conducts a second detection loop according to the second resistance detection signal; the control module performs resistance detection on the standby initiating explosive device in the second detection loop, and outputs an initiation control signal to the initiating explosive device working branch when the standby ...

Uncooled infrared detector and manufacturing method thereof

The invention discloses an uncooled infrared detector and a manufacturing method thereof. The uncooled infrared detector comprises a substrate, a micro-bridge structure and a first capacitor, and the micro-bridge structure is arranged above the substrate; the first capacitor is used for storing charges output by the infrared detector, and the first capacitor is arranged at the upper end of the substrate and located below the bridge surface layer of the micro-bridge structure. A storage capacitor, used for storing electric signals, of the reading circuit and a micro-bridge structure of an infrared detector are integrated into one pixel by utilizing an MEMS manufacturing technology, reading circuit devices are reduced, the reading circuit array wiring space is increased, the overall layout wiring of the reading circuit is optimized, collected signals are stored in situ, layout wiring is reduced, signal crosstalk is reduced, and the reading circuit is more stable in performance. The performance ...

Energy feedback device, control method thereof, terminal equipment and storage medium

The invention discloses an energy feedback device, a control method, terminal equipment and a storage medium, the energy feedback device is connected with a power grid, and the energy feedback device comprises a filter, a voltage jump prevention device and a power generation module; the filter is connected between a power grid and the voltage jump prevention device, and the voltage jump prevention device is connected with the power generation module; the voltage leap prevention device comprises a controllable rectification module composed of four switch tubes, the connecting end of a first switch tube and a third switch tube is connected with a filter, the connecting end of a second switch tube and a fourth switch tube is connected with a power grid, the connecting end of the first switch tube and the second switch tube is connected with the first end of a power generation module, and the connecting end of the power generation module is connected with the second end of the power generation ...

Inertia/satellite integrated navigation error processing method and system

The invention relates to an inertia/satellite integrated navigation error processing method and system. The method comprises the following steps: decomposing inertia/satellite integrated navigation error information into a trend component sequence and a fluctuation component sequence through a Hodry-Precott filtering method; respectively acquiring three axial measurement values of the accelerometer and the gyroscope as input data training information of the hybrid prediction model; taking the trend component sequence as output data training information, and establishing a multiple linear regression prediction model; taking the volatility component sequence as output data training information, and establishing a radial basis function neural network prediction model; according to the input data training information, the multiple linear regression prediction model and the radial basis function neural network prediction model, inertia/satellite integrated navigation error prediction information ...

Method, device and equipment for rendering GIS switch interval model and storage medium

The invention discloses a method, device and equipment for rendering a GIS switch interval model and a storage medium, and the method comprises the steps: judging the states of a switch, an isolation knife switch and a grounding knife switch in a switch interval according to operation and maintenance measurement point data, determining target equipment for rendering through combining with a preset live state judgment condition, and visually displaying the live state of the equipment. And substation operation and maintenance personnel can quickly judge whether the equipment is electrified.

Autoclave control system of still kettle

The invention provides an autoclave autoclave autoclave control system, and belongs to the technical field of building material production, the autoclave autoclave autoclave control system comprises a blank image acquisition module used for acquiring an image of a specified blank in an autoclave; the blank body weight acquisition module is used for acquiring the weight of a specified blank body in the still kettle; the blank expansion degree acquisition module is used for acquiring the expansion sizes of the front, back, left and right surfaces of the specified blank in the still kettle; the temperature monitoring module is used for acquiring the temperature in the still kettle; the air pressure monitoring module is used for acquiring the air pressure in the still kettle; and the environment control module is used for controlling a heating device of the still kettle and controlling opening and closing of a steam valve of the still kettle and the steam inflow speed. According to the system ...

Door lock password management method and device, terminal equipment and storage medium

The invention is suitable for the field of password management, and provides a door lock password management method and device, terminal equipment and a storage medium. The method comprises the following steps: if a connection request sent by a door lock client is received and the connection with the door lock client is successful, inquiring whether the door lock has a standby password or not; if the standby password exists in the door lock, assigning the standby password to a temporary password, emptying the standby password, and pushing the temporary password to the door lock client; wherein the temporary password is a preset password used for opening the door lock. According to the invention, the user can provide a temporary password for a visitor after the visitor visits, so that the visitor can be remotely authorized to enter and exit. Then, the visitor leaves, the password used by the visitor is automatically replaced, password leakage is effectively prevented, the safety of the door ...

Copper strip cleaning system and cleaning method

The invention discloses a copper strip cleaning system which comprises an unwinding machine, a hot water cleaning section, a degreasing agent spraying chamber, a brush cleaning section I, a water spraying section I, an acid pickling section, a grinding section, a brush cleaning section II, a water spraying section II, a passivation section, a drying box and a winding machine. A copper strip sequentially passes through the hot water cleaning section, the degreasing agent spraying chamber, the brush cleaning section I, the water spraying section I, the acid pickling section, the grinding section, the brush cleaning section II, the water spraying section II, the passivation section and the drying box to be cleaned and dried and then is collected on a winding drum of the winding machine. The copper strip cleaning system is simple in technological process and convenient to operate, and the cleaned copper strip can meet the requirements of customers. The invention further discloses a copper strip ...

Wireless energy receiving device and wireless energy transmission method

The invention discloses a wireless energy receiving device and a wireless energy transmission method. The wireless energy receiving device comprises a resonance coil, a rectifier and an energy storage battery, the resonance coil comprises a first grounding layer, a second grounding layer, a first dielectric layer, a second dielectric layer and a feeder line layer; the first dielectric layer is arranged between the first grounding layer and the feeder line layer, the second dielectric layer is arranged between the feeder line layer and the second grounding layer, and the second grounding layer is attached to the surface of the energy storage battery; a defected ground structure (DGS) is etched on the first grounding layer, and a tuning capacitor is arranged in the DGS; the first dielectric layer and the second dielectric layer are made of insulating materials; the feeder layer converts the radio frequency energy output by the transmitting device into alternating current and transmits the ...

Clamping force self-adaptive control system method of robot ultrasonic scalpel

The invention discloses a clamping force self-adaptive control system and method for a robot ultrasonic scalpel. The control system comprises an initialization setting module, a current acquisition module, a standard current judgment module, a limit angle judgment module and a control module. The initialization setting module is used for initially setting the clamping force conversion coefficient, the maximum clamping force and the maximum current value of the robot ultrasonic scalpel and the limit angle of the ultrasonic scalpel in use. And when the instant current value is smaller than the maximum current value, the control module drives the motor to work. And when the instant current value is greater than or equal to the maximum current value, the control module drives the motor to stop working. And when the limit angle judgment module obtains that the cutting work is completed, the control module drives the motor to stop working. The control system can ensure that blood vessels in the ...

High carbon sequestration non-autoclaved aerated concrete and preparation method thereof

The invention provides high-carbon-sequestration non-autoclaved aerated concrete and a preparation method thereof, and belongs to the technical field of building materials, and the high-carbon-sequestration non-autoclaved aerated concrete comprises the following components in parts by mass: 15-50 parts of cement, 20-55 parts of steel slag, 10-30 parts of mineral slag, 5-15 parts of lime, 0-5 parts of gypsum, 20-60 parts of water, 0.1-0.4 part of a foaming agent, 0-0.5 part of a water reducing agent, 1-4 parts of an exciting agent and 0.02-0.5 part of a foam stabilizer. A large amount of solid waste steel slag and mineral slag are used as main raw materials, resource utilization of industrial waste slag is facilitated, the cement consumption in the non-autoclaved aerated concrete is reduced, the production cost of the non-autoclaved aerated concrete is effectively reduced, a variable-pressure curing process is adopted, deep mineralization reaction is facilitated, a large amount of CO2 can ...

Rolling slats door anti -prizing alarm lock device

... 本实用新型公开了种卷帘门防撬报警锁装置，包括：锁盒本体和门体底梁，锁盒本体与门体底梁的对应开有锁孔，其特征在于锁盒本体中固定设有传动轴销，所述传动轴销上设有可沿传动轴销进行轴转动的锁钩，锁盒本体中上下部各设有传动齿板，传动齿板中间设有锁芯，所述的锁芯上套设有传动齿轮，所述的传动齿板设有两段限位滑槽，所述的锁盒本体上与所述传动齿板上的两限位滑槽对应处分别设置有限位销，所述门体底梁内锁孔处设有防盗报警触发器，本实用新型通过传动齿板双滑槽与限位销的结构设计，不仅避免了现有技术中因锁具内部传动不稳定、摩擦大等技术问题，使得锁具启闭的稳定、轻便，且设有报警触发器，有效提高了锁具的防盗报警效果。 ...

Tantalum disulfide film preparation device and method based on atomic layer deposition

The embodiment of the invention discloses a tantalum disulfide film preparation device and method based on atomic layer deposition, relates to the technical field of micro-nano manufacturing, and can reduce the synthesis growth temperature so as to reduce energy consumption and component loss, thereby prolonging the service life of the component and reducing the use cost. The system comprises a source path I, a multi-temperature-zone synergistic solid source conveying device, a source path II, a reaction cavity device and a tail gas treatment device.

Closed case with forced air cooling heat dissipation function

The invention belongs to the field of related accessories of communication equipment, and discloses a closed case with a forced air-cooling heat dissipation function, the whole closed case is of a closed box type structure jointly formed by a plurality of panels, and a back plate for dividing the interior of the case into a front area and a rear area is arranged in the middle of the interior of the closed case; wherein a plurality of service board card assemblies are inserted in the front side area of the back board, and a rear outgoing line board is correspondingly inserted in the rear side area of the back board; a plurality of radiating fins are respectively processed on the surfaces of an upper panel and a lower panel of the closed case, fans are respectively mounted on two sides of a rear panel of the closed case, and the fans are isolated from the business board card assembly and are arranged in a cavity communicated with the radiating fins. By means of the computer case, the problem ...

Component-type Internet of Things data acquisition method, system, device and medium

The invention discloses a component-based Internet of Things data acquisition method, system and device and a medium. The system comprises a communication component, an analysis component, an output component, an interface module and a channel service. The communication component supports various communication protocols, establishes communication with field equipment and transmits and receives data; the analysis component supports various message protocols, organizes data into JSON character strings according to the protocols and pushes the JSON character strings to the output component; the output component supports various data persistence and display modes; the three components all realize an interface method defined by an interface module, and the components can be independently maintained and upgraded; and the channel service combines the components, creates a data acquisition channel, and coordinates the components to complete data receiving, analysis and persistence. Components can ...

Wide-distance adaptive wireless electric energy and information synchronous transmission device and parameter design method thereof

The invention discloses a wide-distance adaptive wireless electric energy and information synchronous transmission device and a parameter design method thereof. Under the condition of size constraint and wire diameter, determining the maximum number of turns Ntxmax and Nrxmax of turns of the transmitting coil and the receiving coil; determining the number of turns Nt of the outer coil according to the power level and the voltage stress requirement; according to the offset distance and vertical distance change adaptability parameter index requirements, determining the number of turns Ni of the transmitting inner side anti-series coil; and according to the offset distance and vertical distance change adaptability parameter index requirements, the number of turns Nj of the receiving inner side clockwise connection coil is determined. According to the invention, the problems of unstable energy and information output, large crosstalk between energy and information and the like caused by offset ...

Antenna coupling micro-bridge structure for small-pixel micro-bolometer and preparation method of antenna coupling micro-bridge structure

The invention discloses an antenna coupling micro-bridge structure for a small-pixel micro-bolometer and a preparation method, and belongs to the technical field of photoelectric detection. The helical antennas and the electrode bridge legs are arranged alternately, so that the proportion of the thermal isolation supporting bridge legs of the small-pixel micro-bridge structure is increased, the bridge legs are prolonged, the thermal conductivity is reduced, and the temperature rise of the micro-bolometer is improved; when the spiral antenna arm is coupled with the thermo-sensitive unit to receive infrared radiation, the absorption of light energy can be more concentrated on the thermo-sensitive unit, so that the temperature rise of the thermo-sensitive unit is further improved under the condition that the total light absorptivity of the device is similar, which is equivalent to the increase of the effective absorption area of the micro-bridge structure; compared with a traditional micro-bolometer ...

Impurity removal system for preparing 99.5%-grade vanadium powder from sodium modified vanadium liquid

The invention relates to an impurity removal system for preparing 99.5%-grade vanadium powder from sodium vanadium solution, comprising: a silicon removal device comprising a silicon removal reaction tank, a silicon removal settling tank, a buffer tank, an adjusting tank and a first settling tank; the fine filtrate preparation device comprises a second settling tank, a primary filter, a secondary filter and a fine filtrate tank; the AMV preparation device comprises a vanadium precipitation tank, a centrifugal machine, a first stock bin, a conveying belt, a microwave dryer and a second stock bin. According to the method, the vanadium-containing leachate subjected to purification and impurity removal through calcium chloride is subjected to desiliconization and impurity removal, then vanadium precipitation is directly performed to produce AMV, then the AMV is washed, dried and calcined to directly obtain 99.5% grade vanadium powder, the preparation process of the vanadium powder is shortened ...

Production method of low-sulfur vanadium trioxide

The invention discloses a production method of low-sulfur vanadium trioxide, which comprises the following steps: mixing ammonium polyvanadate and washing water, pulping, pre-washing, and carrying out solid-liquid separation to obtain low-sulfur ammonium polyvanadate; heating and reducing the low-sulfur ammonium polyvanadate by using a reducing agent to obtain vanadium trioxide; water is added into the vanadium trioxide for washing, after solid-liquid separation, drying is performed to obtain filtrate and low-sulfur vanadium trioxide, and the filtrate is circularly used as washing water in the step (1). According to the method, the low-sulfur vanadium trioxide product is produced under the condition of low liquid-solid ratio on the basis of different characteristics of vanadium trioxide and ammonium polyvanadate washing impurity sulfur, the washing water consumption in the vanadium trioxide production process can be reduced, the problem of impurity sulfur content in vanadium trioxide is ...

Offset voltage calibration method, comparison device and decision feedback equalization circuit

The invention discloses an offset voltage calibration method, a comparison device and a decision feedback equalization circuit, the calibration method performs offset voltage calibration by adjusting the voltage of the reference input end of a comparator, and the calibration method does not need to short-circuit the input end of the comparator, so that a transmission gate does not need to be inserted in a receiving link, and the accuracy of the offset voltage calibration is improved. Therefore, the signal quality of the receiving end is not influenced; after calibration, the eye pattern of the receiving end of the comparator is obviously enlarged, and the margin of the whole receiving end is greatly increased. Besides, aiming at two single-ended signal comparators forming a decision feedback equalizer structure, a method of synchronously adjusting reference voltages of the two comparators is adopted to calibrate the offset voltage, and meanwhile, the method is combined with DFE strength ...

Impurity removal system for preparing vanadium pentoxide from vanadium slag sodium salt roasting water leaching liquid

The invention relates to an impurity removal system for preparing vanadium pentoxide from a vanadium slag sodium salt roasting water leaching solution, which comprises a silicon removal device, a first impurity removal device, a second impurity removal device and a third impurity removal device, and the silicon removal device comprises a silicon removal reaction tank, a silicon removal settling tank and a first buffer tank; the silica-removed fine filtrate preparation device comprises a first primary filter, a first secondary filter and a first fine filtrate tank; the chromium removal device comprises a chromium removal reaction tank, a chromium removal settling tank and a second buffer tank; the chromium-removed fine filtrate preparation device comprises a settling tank, a second primary filter, a second secondary filter and a second fine filtrate tank; the AMV preparation device comprises a vanadium precipitation tank, a centrifugal machine, a first stock bin, a conveying belt, a microwave ...

GWAS-based goose egg laying molecular marker screening and selection method

The invention discloses a GWAS-based goose egg laying molecular marker screening and selection method, and relates to the field of gene detection, and in order to achieve the above purpose, the technical scheme of the invention comprises the following steps: carrying out genome sequencing and flight time mass spectrometry detection on a plurality of female goose determination groups of five generations; and carrying out time-of-flight mass spectrometry genotype detection on a plurality of breeding goose breeding groups of seven generations. The egg laying number of seven generations can be obviously increased, and the genetic progress is obviously higher than that of the first two generations.

Automatic packaging device for pig feed production

The utility model relates to the technical field of packaging equipment, and discloses an automatic packaging device for pig feed production, which comprises a vertical plate, the top surface of the vertical plate is fixedly connected with a top plate, the top surface of the top plate is fixedly communicated with a feeding pipe, the bottom surface of the top plate is fixedly communicated with a conveying funnel, and the outer surface of the conveying funnel is provided with a ring groove. A fixing plate is fixedly connected to the bottom face of the top plate, a transverse plate is fixedly connected to the bottom face of the fixing plate, and a first lifting rod is fixedly installed on the top face of the transverse plate. According to the automatic packaging device for pig feed production, the annular groove is formed in the outer surface of the conveying hopper, the two sets of first lifting rods are additionally arranged below the top plate, vertical movement of the clamping ring is ...

Anti-crack hardening and tempering method for 20Cr13 and 30Cr13 stainless steel oil well pump valve bonnet

According to the anti-crack hardening and tempering method for the 20Cr13 and 30Cr13 stainless steel oil well pump valve cover, the three technological processes of preheating, quenching and high-temperature tempering are mainly adopted in the hardening and tempering process, various technical performance indexes specified by API are met, and heat treatment cracks and breakage in the service life period of products are prevented. The quenching and tempering process method has the beneficial effects that cracks are prevented from being generated in the heat treatment and product service life period of the workpiece, and the use performance of the workpiece meets the hardness and mechanical property requirements of the API standard. As the quenching temperature and the tempering temperature are simultaneously reduced, the quenching and tempering energy can be saved by more than 15%, the requirements of clean, environment-friendly and safe production are met, and the economic benefit is remarkable ...

Brush roller impurity removal structure

The invention relates to the technical field of brush rollers, and discloses a brush roller impurity removal structure in order to solve the problem that when an existing brush roller impurity removal structure is used, the impurity removal effect is affected due to the fact that impurities are wound and attached to bristles, and the brush roller impurity removal structure comprises a rack, a rack adjusting mechanism is arranged at the bottom of the rack, and a shell is installed at the top of the rack; a feeding opening is formed in the open end of the top of the shell. In the rotating process of the brush roller, the obliquely-arranged cleaning component makes contact with bristles on the side face of the brush roller, the bristles are combed, impurities wound and attached in the bristles are effectively removed, the brushing and impurity removing effects of the bristles on materials in the long-time use process are guaranteed, the movable base and the cleaning component horizontally ...

Method for calculating carbon emission during resident travel based on mobile phone signaling data

The invention relates to the technical field of resident travel carbon emission calculation, and discloses a resident travel carbon emission calculation method based on mobile phone signaling data, which mainly comprises the following steps of: classifying mobile phone signaling data track points into resident points, namely OD points and moving points according to spatial and temporal distribution characteristics of the mobile phone signaling data track points; according to the method, the travel chain of each mobile phone user is divided into travel segments with an OD point as a starting point and a destination point, then the travel mode of each travel segment is screened and determined according to a certain travel mode identification rule, and then the carbon emission of each travel segment of the user is calculated according to the mapping relation between the travel mode and a carbon emission factor. According to the resident travel carbon emission calculation method, refined travel ...

Fire real-time detection method and system suitable for unmanned aerial vehicle platform

The invention relates to a fire real-time detection method and system suitable for an unmanned aerial vehicle platform. Acquiring an unmanned aerial vehicle fire image data set; preprocessing the unmanned aerial vehicle fire image data set to obtain a preprocessed unmanned aerial vehicle fire image data set; an improved YOLOv5 network model is established; training the preprocessed unmanned aerial vehicle fire image data set to obtain an unmanned aerial vehicle fire detection model weight; inputting the preprocessed unmanned aerial vehicle fire image data set into the improved YOLOv5 network model according to the unmanned aerial vehicle fire detection model weight to obtain a fire real-time detection model; and verifying, testing and evaluating the performance of the fire real-time detection model. According to the invention, fire hazard real-time detection can be rapidly and accurately carried out according to unmanned aerial vehicle image characteristics.

Method and equipment for intelligently measuring egg laying performance and egg quality of poultry

The invention discloses an intelligent determination method for egg laying performance and egg quality of poultry. The method comprises the following steps: a transportation step: collecting and transporting hatching eggs; a machine vision detection step: carrying out nondestructive detection on the appearance of the hatching eggs and carrying out quality grading; a weight detection step: weighing the hatching eggs and carrying out weight grading; a code spraying and collecting step: spraying codes on the graded hatching eggs and collecting the hatching eggs in different areas; in the step of machine vision detection, hatching egg images are also collected, during quality grading, multi-index quality detection is carried out on the hatching egg images, and quality detection results are graded according to a grading judgment process; in the code spraying and collecting step, the hatching eggs are comprehensively collected in a partitioned mode according to the quality grading result and ...

Liquid acetaldehyde stabilizer and application thereof

The invention provides a liquid acetaldehyde stabilizer and application thereof. The liquid acetaldehyde stabilizer comprises the following components in parts by weight: 1-10 parts of organic acid; 1 to 10 parts of hydrochloride; 15-35 parts of an organic acid salt; 15 to 35 parts of acetaldehyde; and 45-75 parts of a solvent. The liquid acetaldehyde stabilizer provided by the invention can avoid self-polymerization deterioration of liquid acetaldehyde in a normal temperature state, and can maintain a stable liquid condition.

System and method for supervising energy consumption and carbon emission data based on edge calculation

The invention discloses an energy consumption and carbon emission data supervision system and supervision method based on edge computing, and the system comprises an Internet of Things energy consumption monitoring system, a carbon emission data monitoring management system, server deployment, and data transmission, and the Internet of Things energy consumption monitoring system is composed of a hardware layer, a terminal equipment communication interface, and a software layer. A Modbus rtu-to-TCP intelligent gateway is adopted for terminal equipment communication, a software layer is composed of a data layer, a data transmission layer, a service processing layer, a system application layer and a system configuration management layer, data of a database bottom layer is automatically collected by a lower intelligent instrument and then transmitted into a database through an Internet of Things system, and the Internet of Things system is connected with the lower intelligent instrument. The ...

Separation and purification method of Dimnin B

The invention discloses a method for separating and purifying Dimnin B from fermentation liquor, which comprises the following steps of: flocculating the fermentation liquor, separating, extracting, enriching by macroporous adsorption resin, carrying out resin chromatography, preparing a liquid phase, crystallizing and the like, and purifying the Dimnin B with the chromatographic purity of only 5-15 percent in the initial fermentation liquor into a finished product with the final yield of more than 40 percent and the chromatographic purity of more than 95 percent.

EBC coating structure, thermal protection material and gas turbine

The invention relates to an EBC coating structure, a thermal protection material and a gas turbine, the EBC coating structure is used for being arranged on a ceramic tile base material for protection, the main materials of the ceramic tile base material comprise aluminum oxide and mullite, the EBC coating structure comprises a first aluminum oxide coating and a second aluminum oxide coating, the first aluminum oxide coating is located on the surface of the ceramic tile base material, the first aluminum oxide coating is located on the second aluminum oxide coating, the total thickness of the first aluminum oxide coating and the second aluminum oxide coating is 500-1000 microns, the porosity of the first aluminum oxide coating is 20%-40%, and the porosity of the second aluminum oxide coating is 5%-20%.

Equipment and method for treating VOCs (Volatile Organic Compounds) by utilizing RTO (Regenerative Thermal

The invention relates to the technical field of waste gas treatment, in particular to equipment for treating VOCs through RTO and a treatment method.The equipment comprises a water spraying device, and VOCs gas enters from the water spraying device; the water electrolysis device is connected with the water spraying device and is used for recycling the wastewater; the pretreatment device is connected with the water spraying device and is used for removing water vapor of the VOCs gas; the carbon adsorption device is connected with the pretreatment device, activated carbon is contained in the carbon adsorption device, and the carbon adsorption device is used for adsorbing organic components in the VOCs gas; the RTO combustion device is connected with the pretreatment device and is used for carrying out combustion treatment on the VOCs gas; wherein the RTO combustion device is communicated with the top of the carbon adsorption device through a pipeline, the bottom of the carbon adsorption device ...

Culture medium for preparing Dimnin B through fermentation and preparation method of culture medium

The invention belongs to the field of microbial fermentation, and discloses a culture medium for preparing Dimnin B through fermentation of Tistrilla mobilis and a preparation method of the culture medium, and the culture medium can be used for industrial large-scale production of the Dimnin B. Specifically, the invention discloses a culture medium for preparing Dimnin B. By optimizing the formula and composition of the culture medium and adding L-isoleucine into the culture medium, the titer level of a 50L fermentation tank can be increased to 332mg/L; by further optimizing a preparation process, controlling dissolved oxygen in stages and developing a material supplementing process, the fermentation level of a 50L fermentation tank can be improved to 544mg/L, and the fermentation level can reach 489mg/L when the scale of a 4-ton tank is industrially amplified and produced. The method is expected to break through the current situation that the titer level of the Dimnin B is relatively low ...

Energy consumption optimization tool for noise test of air conditioner compressor and test method thereof

The invention discloses an energy consumption optimization tool for an air conditioner compressor noise test and a test method thereof, and the tool comprises a debugging unit, an air inlet and an air outlet of a to-be-tested compressor are connected with a refrigeration module, and the refrigeration module is connected with a cooling module; the detection unit comprises an air inlet pressure sensor, an exhaust pressure sensor and an air inlet temperature sensor, and the air inlet pressure sensor, the exhaust pressure sensor and the air inlet temperature sensor are all connected with the compressor to be detected; the testing unit comprises an enveloping surface frame and a plurality of noise sensors, the enveloping surface frame is arranged on an enveloping surface taking the compressor to be tested as a reference body, and the plurality of noise sensors are all arranged on the enveloping surface frame; the analysis unit comprises a test data acquisition module, the test data acquisition ...

Method and device for predicting traffic flow based on extreme learning machine model, and electronic equipment

The invention provides a method and a device for predicting traffic flow based on an extreme learning machine model, and electronic equipment, which are used for improving the accuracy of a traffic flow prediction result. The method comprises the steps of obtaining a training data set; based on the training data set, training a to-be-trained extreme learning machine model, enabling a first white whale population in the to-be-trained extreme learning machine model to be iterated until the number of iterations is equal to a first preset threshold value, obtaining a target population including a target queue, and determining a target extreme learning machine model; wherein the target input weight and the target hidden layer bias in the target extreme learning machine model are obtained according to the target queue, the state of the first white whale population in the iteration process is determined according to the weight, and the weight decreases progressively in an exponential form along ...

Method and device for continuously leaching vanadium-containing clinker

The invention discloses a method for continuously leaching vanadium-containing clinker, which comprises the following steps of: a, continuously adding the vanadium-containing clinker, a leaching agent and an enhancer into a pulping tank, preheating leached mixed slurry to 90-95 DEG C through a tubular heat exchanger, continuously pumping the leached mixed slurry into a slurry concentration tank, and returning the mixed slurry overflowing from the slurry concentration tank to the pulping tank; b, after being buffered by the slurry concentration tank, the mixed slurry sequentially enters a leaching stirring tank formed by multi-stage series connection from a tank bottom pipeline for continuous leaching, the leaching temperature is controlled to be 90-95 DEG C in the continuous leaching process, a discharge valve is opened at at least one leaching stirring tank, the mixed slurry is discharged for graded fine grinding, and the mixed slurry is obtained; returning the mixed slurry subjected to ...

Super high-rise steel structure smoke collecting and sound measuring pipeline integrated system

The invention provides a super high-rise steel structure smoke collecting and sound measuring pipeline integrated system which comprises a plurality of hollow steel columns, the hollow steel columns are vertically connected end to end to form a first communicating pipe, sound measuring reserved pipes which are oppositely arranged are arranged on the inner walls of the hollow steel columns, the sound measuring reserved pipes are provided with lateral openings, the lateral openings penetrate through the hollow steel columns, and the hollow steel columns are communicated with the sound measuring reserved pipes. The multiple sounding reserved pipes are vertically connected end to end to form second communicating pipes, the dust extraction equipment is used for being communicated with lateral openings in the lowermost ends of the second communicating pipes, and the dust collection cover box is used for being communicated with lateral openings near welding spots; the problems of concrete compactness ...

Boring grab of differential mechanism shell

... 本实用新型涉及一种差速器壳的钻孔夹具，包括底板，内六角螺钉，第一垫块，基座，圆柱弹簧，钩型压板，螺母，双头螺柱，铜柱，T型垫块，定位心轴，法兰螺母，涨芯，涨套，第二垫块；通过拧紧法兰螺母受力后压缩涨芯，从而推动其涨芯往下缓慢运动，由于涨芯前端是锥面从而下移的过程中逐渐挤压涨套使涨套往外膨胀，并且借助涨套外圆周端面对差速器壳进行内孔准确定位，从而达到了最终理想状态便可进行盘孔加工。本夹具有益效果：加工装卸产品方便，加工效率高，工件依靠涨套外圆周端面内孔定位，定位准确可靠，结构简单，夹紧可靠，实用性广泛。 ...

Ferroelectric memory and electronic equipment

The invention discloses a ferroelectric memory and electronic equipment, relates to the technical field of ferroelectric memory, and is used for adjusting the turn-on voltage of a ferroelectric memory element (20). The ferroelectric memory comprises a substrate (200), a first voltage line, a second voltage line and a ferroelectric storage element (20), wherein the first voltage line, the second voltage line and the ferroelectric storage element (20) are arranged on the substrate (200); the ferroelectric storage element (20) includes a ferroelectric thin film layer (201) disposed on a substrate (200); the ferroelectric film layer (201) comprises a ferroelectric storage unit (2011) protruding towards one side far away from the substrate (200); the ferroelectric storage element (20) further comprises a first electrode (202) and a second electrode (203) which are oppositely arranged on the two sides of the ferroelectric storage unit (2011); the first electrode (202) is in contact with the first ...

Rapamycin-loaded brain-targeted platelet-derived extracellular vesicle and application thereof

The invention discloses a rapamycin-loaded brain-targeted platelet-derived extracellular vesicle and application thereof. The rapamycin-loaded brain-targeted platelet-derived extracellular vesicle is obtained by co-incubation of rapamycin and platelet-derived extracellular vesicles generated by activation of platelets. Therapeutic drugs or detection substances can be loaded on the platelet-derived extracellular vesicles, and the drugs are delivered to brain lesions in an intranasal drug delivery mode, so that neuroinflammation or nervous system related diseases are treated and detected. Through verification, by utilizing the delivery system to deliver rapamycin, dysfunctions of astrocytes and microglial cells of the brain are rescued, behavioral cognition and dysmnesia are improved, a whole-body drug dilution effect and first-pass metabolism are avoided, and toxic and side effects are reduced.

Flap folding and unfolding device and aircraft

The invention discloses a flap retracting and releasing device and an aircraft, the aircraft comprises a wing and flaps, the flap retracting and releasing device comprises retracting and releasing mechanisms, the retracting and releasing mechanisms are arranged on the wing, each flap is correspondingly provided with one retracting and releasing mechanism, and each retracting and releasing mechanism comprises a first retracting and releasing assembly and a second retracting and releasing assembly which are in driving connection with the corresponding flap; the first folding and unfolding assembly and the second folding and unfolding assembly are symmetrically arranged about the length center line of the flap; the driving mechanism is arranged between the first folding and unfolding assembly and the second folding and unfolding assembly; the driving mechanism is in driving connection with the retracting and releasing mechanism through the transmission mechanism, the transmission mechanism ...

A function of the likelihood of particle filtering power battery charge state estimation method and system

... 本发明为种似然度函数粒子滤波的动力电池电荷状态估计方法和系统，由电池Thevenin模型，得到状态和量测方程，参数初始化后，进行状态预测计算状态预测值的均值和协方差，再重新采样、重构采样分布函数。计算电池端电压预测值，计算粒子权值，权值归化和计算有效粒子数。有效粒子数N与有效粒子数阈值N比较，当N小于N，采用拉普拉斯分布作为似然度函数，并引入方差调节因子和工况适应因子，以自适应地修改似然度函数的方差，适应动力电池不同工况。最终得到更新的SOC估计值和协方差。本系统微控制器连接电压和电流传感器，微控制器内有各程序执行模块。本发明加大有效粒子数；有效避免了方差的过修正；估算精度优。 ...

Method for improving salt mist corrosion resistance of tinned strip

The invention discloses a method for improving salt mist corrosion resistance of a tin-plated belt, which comprises the following steps: through cooperative control of tin liquid components and temperature, cooling strength and fan speed, reducing alloying time of a tin layer and a copper material, reducing generation rate of a free alloy layer, obtaining optimal alloy layer thickness, improving ageing resistance of a product, regulating and controlling air quantity of an air inlet pipe, balancing wind power of an air knife, and improving salt mist corrosion resistance of the tin-plated belt. And the tinning thickness error is eliminated, and the salt mist corrosion resistance of the tinned belt is improved.

Industrial grade unmanned aerial vehicle upgrading method and device and medium thereof

The invention discloses an industrial-grade unmanned aerial vehicle upgrading method and device and a medium, relates to the technical field of unmanned aerial vehicles, is used for upgrading industrial-grade unmanned aerial vehicle software programs, and provides the industrial-grade unmanned aerial vehicle upgrading method aiming at many inconveniences in the industrial-grade unmanned aerial vehicle software upgrading process at present. Upgrading file transmission is realized by using a data link between an existing unmanned aerial vehicle and a ground station, and then a flight control computer sends a corresponding upgrading file to each network node in a bus so as to support software upgrading. Therefore, complete machine software upgrading of the industrial-grade unmanned aerial vehicle can be realized without externally connecting external diagnosis equipment for intrusive upgrading file uploading, and a series of problems caused by adoption of an intrusive file upgrading method ...