三轮车（新踏板9号）

电动车（Q2-2）

Microsatellite site of Chinese cuttlefish and application of microsatellite site

The invention relates to microsatellite loci of raw Chinese cuttlefish and application of the microsatellite loci, and the nucleotide sequences of the 15 microsatellite loci are respectively SEQ ID NO: 1-15. The sequences of the primer pairs designed on the microsatellite loci are SEQ ID NO: 16-45. According to the invention, 15 microsatellite loci are screened from the genome DNA of the Chinese cuttlefish, and specific primers are designed in flanking areas at two ends of a microsatellite repetitive sequence, so that the obtained primers can be used for detecting the genetic diversity of the Chinese cuttlefish population, and a reliable molecular marker is provided for research on the genetic structure and genetic diversity of the Chinese cuttlefish population.

To-be-examined document display method and device, electronic equipment and computer readable medium

The embodiment of the invention discloses a to-be-examined document display method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the steps of obtaining a to-be-examined document; screening out a plurality of sentences to be examined from the document to be examined; for each sentence to be examined, executing the following first determination steps: determining a violation probability value and type information; determining a similarity value between the to-be-examined sentence and an examination file corresponding to the type information as a first similarity value; determining a similarity value of the to-be-examined sentence and a historical to-be-examined document corresponding to the type information as a second similarity value; determining an examination result of the to-be-examined document; for each illegal sentence to be examined, executing the following second determination step: displaying the illegal sentence ...

Cluster space automatic management method based on data cold and hot separation

The invention provides a cluster space automatic management method based on data cold and hot separation, and belongs to the technical field of data processing, and the method specifically comprises the steps: determining core data based on the data type of data of a cluster storage space, determining a hot value based on the calling frequency of the data and the access number of users of the data, determining popularity data based on the popularity value; taking data having a blood relationship with the core data or the popularity data as associated data, constructing hotspot data based on the associated data, the popularity data and the core data, and taking other data except the hotspot data in the cluster storage space as unpopular data; when the data volume of the unpopular data is greater than the set data volume or the data volume of the hotspot data is greater than the set hotspot data volume, determining a popularity evaluation value based on the popularity value, the generation ...

ADVANCED DETECTION DEVICE, SYSTEM AND METHOD USING FORWARD THREE-DIMENSIONAL INDUCED POLARIZATION FOR TBM CONSTRUCTION TUNNEL

An advanced detection device, system and method using a forward three-dimensional induced polarization for a TBM construction tunnel. A narrow detection space of a tunnel is excavated by making good use of a full fracture surface, and a controller (6) is used to control the opening of cabin doors of power supply and detection electrode cabins (15, 16) and a shielding electrode cabin (17), and to control corresponding hydraulic delivery devices (11, 21) to automatically and rapidly arrange a power supply, measurement and shielding electrode system onto a TBM tunneling working face (1) and side wall bottom plates behind same. Under the action of the shielding electrode system, a chromatography detection power supply current points to the front of the working face (1). By means of the forward three-dimensional induced polarization detection method, the three-dimensional geological information about the region in front of the working face (1) can be obtained. Moreover, the water quantity of ...

Liquid accumulator and compressor with same

The liquid storage device and the compressor with the liquid storage device are suitable for the compressor, the compressor comprises a compressor shell and the liquid storage device, the liquid storage device is connected with the compressor shell, the liquid storage device comprises a shell, a balance weight wall is further arranged on the outer wall of the shell of the liquid storage device, and the balance weight wall is arranged on the outer wall of the shell of the liquid storage device. And the counterweight wall is fixedly connected with the outer wall of the liquid storage device shell. The rotational inertia of the liquid storage device is effectively increased, and vibration of the compressor is reduced.

Automatic baggage supply platform for airport baggage conveying

The invention discloses an airport baggage conveying automatic bag supply table, and belongs to the technical field of baggage conveying, the airport baggage conveying automatic bag supply table comprises a sliding table, an air pump is mounted at the bottom of the sliding table, guide pipes are fixedly connected to the output end and the input end of the air pump, a groove is formed in the sliding table, and a gate valve located in the groove is mounted on the sliding table; a fixing box is installed in the groove, a set of air suction holes are formed in the top of the fixing box, an inclined box is installed in the sliding table, a flaring is formed in the side, away from the air pump, of the inclined box, and the top end of the guide pipe on the left side penetrates into the sliding table and extends into the inclined box. According to the luggage turntable, multiple buffering and damping can be conducted on luggage guided into the luggage turntable, the luggage damage phenomenon is ...

METHOD, DEVICE AND SYSTEM FOR PROXY TRANSFORMATION

Disclosed is a method for performing proxy transformation between a user and a server, comprising: selecting a first proxy correlation between a target user and a first user from a proxy correlation bank; selecting a random value, and according to the random value and the first proxy correlation, generating a second proxy correlation; encrypting original information according to a public key of the first user and the random value to obtain encrypted information, and transmitting the encrypted information and the second proxy correlation to a server, so that the server performs proxy transformation on the encrypted information according to the second proxy correlation to obtain transformed information. According to the method for proxy transformation of the present invention, the potential security hazard of a server which performs proxy transformation without the permission of a user is completely eliminated. Also disclosed are a user terminal and a system for performing proxy transformation ...

NOVEL CUTTING TORCH AND PROCESSING METHOD THEREOF

Disclosed are a novel cutting torch and a processing method thereof. The cutting torch is prepared by employing a metal powder injection moulding method, which has the advantages that stainless steel gas cutting torches can be conveniently produced in mass quantities on the premise that functions of the gas cutting torch are ensured. Mechanical processing, such as casting, turning, milling, drilling and other processes and devices can be substantially eliminated. A high-pressure oxygen channel structure is arranged inside. A tube seat (11) is arranged on an inner tube (1). An air inlet end of the inner tube (1) and the tube seat (11) have a taper that matches a cutting machine in the axial direction, which facilitates processing. Since the stainless steel is resistant to high temperature, it is difficult to deform, long in service life, and low in comprehensive costs.

Method, device and equipment for detecting lithium precipitation phenomenon of battery and storage medium

The invention discloses a battery lithium precipitation phenomenon detection method, apparatus and device, and a storage medium, and can obtain N relaxation times by obtaining relational data of N lithium precipitation tests of a battery and then determining relaxation time corresponding to each lithium precipitation test according to a relationship between voltage and time in the relational data of each lithium precipitation test. And analyzing the change degree among the N relaxation times, and determining whether the lithium precipitation phenomenon occurs in the battery. Wherein each lithium precipitation test is to apply a single pulse step to the battery and relax. Therefore, whether the lithium precipitation phenomenon occurs in the battery can be determined through the obtained N relaxation times, the battery does not need to be disassembled, the battery in the working state can be detected, and the detection efficiency of the lithium precipitation phenomenon of the battery is improved ...

OPTICAL FIBER DEVICE WITH OPTICAL FIBER INNER INTEGRATED POLYMER MICRO/NANO STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

A method for manufacturing a fiber optic device with an optical fiber inner integrated polymer micro/nano structure, the method comprising: performing fusion processing on a hollow optical fiber, such that the hollow optical fiber is fused between two solid optical fibers (101), using a femtosecond laser ablation technique to perform ablation processing on the fused hollow optical fiber, such that a passage perpendicular to an inner wall is formed in the hollow optical fiber by means of ablation (102), then filling a colorless and transparent photoresist material into the interior of the hollow optical fiber, such that the interior of the hollow optical fiber is filled with the photoresist material (103), then using a femtosecond laser two-photon polymerization technique to perform polymerization processing on the photoresist material in the interior of the hollow optical fiber, and finally using a developer to clean the hollowed optical fiber on which the polymerization processing has ...

Mobile micro-arc oxidation treatment system capable of monitoring thickness of film layer in real time

The utility model discloses a mobile micro-arc oxidation treatment system capable of monitoring the thickness of a film layer in real time, which relates to the technical field of micro-arc oxidation auxiliary equipment and comprises a conveying channel, a holding frame is erected on the conveying channel, and a sliding cavity channel is arranged in the center of the holding frame. A micro-arc oxidation module and a real-time film layer monitoring module are respectively arranged at the front section and the rear section of the sliding cavity; wherein the real-time film layer monitoring module comprises a horizontal reinforcing plate arranged at the rear section of the sliding cavity channel, vertical working plates are arranged at the left end and the right end of the bottom surface of the horizontal reinforcing plate, and ray sources and ray receivers are arranged on the two vertical working plates; the micro-arc oxidation module comprises a transmission module erected on the front section ...

Operator six-dimensional data coding method

The invention discloses an operator six-dimensional data coding method, and belongs to the technical field of data coding. The operator six-dimensional data coding method comprises the following steps: setting a total coding digit of a label; dividing user information data blocks according to coding digits, and setting information levels of different data blocks; obtaining the number of connections of the user, the number of terminals, the number of rights and interests of applications, the customer active condition, the online duration of the customer and the package value information of the customer, and converting the information into the same system as the code; sorting the known information according to a coding digit format and rounding up; invalid information is supplemented with 0; stacking the same data; comparing and judging the user information data with the coding interval, and classifying the user information to the corresponding interval; checking whether the user data information ...

Combined tower type grain drying device

The invention discloses a combined tower type grain drying device, and relates to the technical field of grain drying. The grain drying device specifically comprises a grain drying mechanism, the grain drying mechanism comprises a drying part, and the bottom end of the drying part is fixedly connected with a bearing part; the drying part comprises a feeding drying tower and a discharging drying tower, a drying net barrel is arranged in the feeding drying tower, a screw rod is arranged in the drying net barrel, the outer wall of the drying net barrel is sleeved with an electric heating net barrel, and the outer wall of the electric heating net barrel is sleeved with a water condensation unit; and a discharging net cylinder is arranged in the discharging drying tower. According to the combined tower type grain drying device, grain is rapidly dried for the first time through the feeding drying tower, then the grain is dried and cooled for the second time through the discharging drying tower ...

Data exporting method and device

One or more embodiments of the invention provide a data exporting method and device.The method comprises the steps that firstly, a database snapshot at the query moment is obtained through a first thread based on a static cursor mode, and then target data corresponding to data identifiers recorded in the database snapshot are obtained one by one from a database; introducing a data queue serving as a data cache pool, and storing the obtained target data into the data queue by utilizing a first thread; then, a second thread is utilized to read the target data from the data queue one by one, and a corresponding data export file is generated based on the read target data, so that streaming export of the target data can be realized, and the problem of memory overflow caused by one-time data export is avoided; and the problems of data repetition and missing caused by data change in a paging export mode can be avoided, and the data integrity and accuracy in the mass data export process are improved ...

LASER COMBINING DEVICE

Disclosed is a laser combining device, comprising a water-cooled plate (1), a combiner and two laser arrays, wherein each laser array comprises N lasers (2), N being a positive integer greater than 1; two laser arrays are respectively fixed on an upper surface and a lower surface of the water-cooled plate (1); and the combiner performs space combination, polarization combination or wavelength combination for laser beams output by two laser arrays. The laser (2) is arranged on the upper and the lower surfaces of the water-cooled plate (1). Insofar as laser beams of the same number are combined, by means of effectively using the water-cooled plate (1) the volume of the laser combining device is reduced, the weight of the laser combining device is reduced, and the material of the water-cooled plate used by the laser combining device is saved, thereby reducing the costs and meeting the requirements for producing and processing the laser combining device.

OPERATION CONTROL METHOD FOR FLEXIBLE DISPLAY DEVICE

Disclosed is an operation control method for a flexible display device, which is used for controlling a flexible display device and comprises the following steps: detecting an operation that is performed on the device by a user, wherein the operation comprises one or a combination of two or more of bending, folding, edge deformation and shape recovering; and analysing a characteristic value of the operation, and executing a corresponding system function when the characteristic value of the operation satisfies a preset condition.

HORIZONTAL FREEZER

Provided is a horizontal freezer (300), comprising a cabinet, wherein the cabinet comprises a cabinet shell (10) and a liner (20), the liner (20) has an accommodating portion (21), the bottom of the liner (20) is recessed toward the accommodating portion (21) to form a recess (22), the recess (22) has an arc-shaped side wall (223), one end of the arc-shaped side wall (223) is connected to the bottom plate (25) of the liner (20), and the other end is connected to a third liner wall (26); the space between an air duct plate (310) and the arc-shaped side wall (223) constitutes an evaporator chamber; the air duct plate (310) is located in the accommodating portion (21), improving the space utilization of the liner (20) and avoiding condensation on a glass door body.

Charging pile management method, device and equipment and computer storage medium

The invention discloses a charging pile management method, a charging pile management device, charging pile management equipment and a computer storage medium, which are applied to an electric vehicle manufacturer of an alliance chain, and nodes on the alliance chain further comprise a certification authority and a charging pile operation company, the method comprises the following steps: acquiring first charging transaction information reported by a target electric vehicle in a process that the target electric vehicle of the electric vehicle manufacturer is charged by using a target charging pile of a charging pile operation company; acquiring the second charging transaction information broadcasted by the charging pile operation company; and submitting the first charging transaction information and the second charging transaction information to the alliance chain for storage when it is determined that the first charging transaction information is matched with the second charging transaction ...

Adjustable shield receiving sleeve

The invention relates to the technical field of shield tunneling machine receiving devices, in particular to an adjustable shield receiving sleeve which comprises a first bearing base and a second bearing base, a first sleeve is arranged on the upper side of the first bearing base, and a second sleeve is arranged on the upper side of the second bearing base. The lower side of the first bearing base is provided with a bearing regulation and control assembly through a bearing cavity, and the lower side of the bearing regulation and control assembly is provided with a height regulation and control assembly. The position of the first bearing base or the second bearing base can be adjusted and controlled by 90 degrees through the bearing adjusting and controlling assembly, and the first bearing base or the second bearing base can be adjusted and controlled in a moving mode, so that the working efficiency of connection between the first sleeve and the second sleeve is effectively improved; the ...

Self-adaptive orderly power dispatching system

The invention is suitable for the technical field of power regulation and control, and provides a self-adaptive ordered power dispatching system, which comprises a power distribution system controller, a power distribution system, a power distribution system and a power distribution system, a plurality of subnet controllers coupled with a respective plurality of distribution substations served by the power transmission substation, and the plurality of subnet controllers serving a respective plurality of subnets of the power distribution network; each subnet controller is used for bidirectionally communicating with a power distribution system controller and a plurality of corresponding energy controllers; the energy controller controls the operation of one or more of the plurality of distributed energy sources; the power distribution network system controller and the plurality of sub-network controllers are used for executing pre-energy service control variable simulation, the power distribution ...

CONTROL DEVICE FOR ELECTRIC MOPED

A control system for an electric moped. The system comprises a left shell (1), a right shell (12), a speed detection component used for detecting pedaling speed of an electric moped, a torque detection component used for detecting manual pedaling torque, and a controller (22) used for processing signals of the speed detection component and the torque detection component and controlling motor output power. The speed detection component and the torque detection component can detect travelling speed of the electric moped and manual pedaling torsion in real time, so that the controller can reasonably distribute the motor output power, and assisted riding is achieved. Meanwhile, the system is simple and compact in structure, a control circuit of the whole electric moped is simplified, failure rate is decreased, disassembly and maintenance are facilitated, and appearance of the electric moped can be concise and elegant.

FULLY-AUTOMATIC LIQUID INOCULATING MACHINE OF BAG-CULTIVATED EDIBLE MUSHROOM BAG

A fully-automatic liquid inoculating machine of a bag-cultivated edible mushroom bag comprises a conveying device (1), a jacking device (4), a clamping device (6), a cover-lifting device (7), and an inoculating device (8). The jacking device comprises a jacking power device (41), a jacking plate (42), and a jacking bracket (45), and the bottom of the jacking device is connected to a jacking hoisting mechanism (12). The clamping device comprises a portal frame (61), a linear guide rail, an A plate (62), and a B plate (63), and a plurality of locating clamping jaws (68) is arranged below the A plate and the B plate. The cover lifting device comprises a top rod (13), the lower end of the top rod is connected to a cover-lifting hoisting mechanism (11), and the upper end of the top rod is connected with a main plate (73). The linear guide rail is arranged on the main plate, a C plate (74), a D plate (75), and an E plate (76) are arranged on the linear guide rail, and a plurality of cover-lifting ...

METHOD FOR MEASURING INDEX OF MICROCIRCULATORY RESISTANCE

FIREPROOF GLUE LIQUID MATRIX AND PREPARATION METHOD THEREFOR, AND FIREPROOF GLUE LIQUID AND PREPARATION METHOD THEREFOR

Provided is a fireproof glue liquid matrix, comprising silicon dioxide and also comprising a lubricating matter, wherein the lubricating matter is a copolymer of an aromatic olefin and/or an acrylate. The present invention also relates to a fireproof glue liquid, comprising the fireproof glue liquid matrix. The present invention also relates to a preparation method for the fireproof glue liquid matrix and a preparation method for the fireproof glue liquid. The fireproof glue liquid prepared in the present invention has a viscosity of only 50 - 1000 cp, and can be used for preparing a composite fireproof glass with a fireproof layer thickness of less than 1 mm; and the fireproof layer prepared by the fireproof glue liquid has the advantages of a good fireproof and heat isolation performance, a high hardness, a high transmittance and a good anti-ultraviolet performance.

Road cooperation information transmission method and system for expressway

The invention discloses a road cooperation information transmission method and system for a highway. The method comprises the following steps: obtaining road end data and vehicle end data; performing static analysis on the road end data, taking static analysis prediction time of collision between vehicles or collision between the vehicle and a roadbed as an evaluation standard, extracting data of which the danger occurrence time is lower than an early warning threshold value to obtain first-level data, and extracting vehicle end data from related vehicles according to the first-level data as first-level matching data; two-way transmission of the first-level data and the first-level matching data at a vehicle end and a road end is carried out; and after the first-level data and the first-level matching data are transmitted, transmitting the road end information and the vehicle end information according to the sequence of data generation time. According to the method and the device, after ...

CTA and DSA image intelligent fusion method, apparatus and device, and medium

The invention relates to a CTA and DSA image intelligent fusion method, device, equipment and medium, and the method comprises the steps: obtaining a two-dimensional image and a three-dimensional image of the coronary artery of a patient, the two-dimensional image being a digital subtraction angiography image, and the three-dimensional image being a computed tomography angiography reconstruction image; determining a projection angle of the two-dimensional image when the patient is in a preset body position; performing body position correction processing on the three-dimensional image to obtain a first image of the coronary artery when the patient is in the preset body position; performing registration fusion based on the two-dimensional image, the projection angle and the first image to obtain a two-dimensional fused image; and displaying the fused image. According to the method, the two-dimensional image and the three-dimensional image of the coronary artery of the patient are registered ...

UPDATE DATA PACKAGE PREPARATION METHOD AND DEVICE

An update data package preparation method and device. The method comprises: acquiring compilation units for all patches used for an update after a program is released (S101); adding an update step configuration file to a patch configuration file, wherein source versions to which the patches are applicable are marked in the update step configuration file (S102); combining the compilation units and the patch configuration file into a patch set (S103). The present invention can reduce preparation time of a patch after a version of software is released in the case of a large number of released patches, thus reducing patch preparation time, improving patch preparation efficiency, and reducing the costs and risks of patch preparation and patching.

ORGANIC ELECTROLUMINESCENT DEVICE AND MANUFACTURING METHOD THEREFOR

An organic electroluminescent device and a manufacturing method therefor. The organic electroluminescent device (100) comprises: a hole injection layer (120), which comprises a first doped layer and/or a second doped layer, wherein the first doped layer comprises a P-type dopant and the second doped layer comprises the P-type dopant and a hole transport material; a hole transport layer (130), formed on the hole injection layer (120); and an electron blocking layer (140), formed on the hole transport layer (130). A HOMO energy level difference between the electron blocking layer (140) and the hole transport layer (130) is less than or equal to 0.2 eV. The P-type dopant in the first doped layer can improve the hole injection rate, so as to prolong the service life of mass-produced devices; in the second doped layer, by regulating the doping concentration of the P-type dopant, the hole injection rate can be controlled, thereby regulating the balance between electrons and holes and then prolonging ...

Rearmounted type horizontal pump device water inlet channel that water conservancy performance is excellent

... 本实用新型公开了一种水力性能优异的后置型卧式泵装置进水流道，属于水利工程泵站技术领域。本实用新型所提供的进水流道三维形体过流面通过基于CFD的优化水力设计研究方法得到；所述进水流道由进口直线段、曲线过渡段和出口圆台段组成；进水流道断面形状由进口的矩形渐变为出口的圆形；提供进水流道的立面图（含断面位置线）、平面图（含断面位置线）和断面尺寸数据表；所述进水流道过流面的各几何尺寸均用以水泵叶轮直径D为基准的相对值表示。应用本实用新型得到的后置型卧式泵装置进水流道水流转向有序、收缩均匀、流道水头损失小。 ...

Biological feed curing device

The invention belongs to the technical field of feed preparation, and particularly relates to a biological feed curing device, through the arrangement of a turning and stirring mechanism, when feed is cured through a curing tank, it can be ensured that accumulated feed can be uniformly heated and cured through turning and stirring, and the situation that the processing effect is affected due to uneven heating of the interior, exterior, upper layer and lower layer of the feed is avoided; through the arrangement of a transverse stirring assembly, through the cooperation of a self-changing valve and a starting block, transverse stirring of the feed can be achieved, the defect that the turning and stirring range of a spiral stirring blade is blank is overcome, it is ensured that the feed can be mutually exchanged in the up-down and inside-outside positions, and the heating effect is improved; and through the arrangement of the self-changing valve, automatic opening and closing of rotary ring ...

Workshop operation visualization system and method based on digital twinning

The invention discloses a workshop operation visualization system and method based on digital twinning. An intelligent manufacturing visualization monitoring subsystem (1) receives information corresponding to real objects in a workshop site; the real object positioning and tracking subsystem (2) senses information of a real object in real time on a workshop site, feeds back the information to the manufacturing execution system, judges the corresponding condition of the current real object and workshop processing equipment required by production, and sends the corresponding condition of the real object and the workshop processing equipment to the intelligent manufacturing visual monitoring subsystem (1); the workshop processing equipment management and control subsystem (3) receives the driving program of the workshop processing equipment required by the current physical production sent by the manufacturing execution system and issues the driving program to the workshop processing equipment ...

Video display method and device, equipment and storage medium

The invention discloses a video display method and device, equipment and a storage medium, and belongs to the field of videos, and the method comprises the steps: determining the emotion information of a corresponding role in a video; determining a target font of a subtitle to be displayed according to the emotion information of the role; and displaying the subtitles to be displayed by using the target font. According to the method and the device, the fonts of the subtitles are determined according to the emotion of the role, and the different fonts enable the user to intuitively feel the emotion of the role, so that the interestingness of video transmission is improved, and the information transmission capability of the current video is improved.

COMBINED CUTTER FOR ON-LINE MILLING OF STEEL RAIL

A combined cutter for on-line milling of a steel rail, comprising a cutter head assembly, the cutter head assembly being connected to a driving device, and further comprising a cutting part, the cutting part being arranged on the cutter head assembly, so as to achieve shaping processing on different areas on two sides of a central line of the top surface of a steel rail (4).

KEY GENERATION, BACKUP AND MIGRATION METHOD AND SYSTEM BASED ON TRUSTED COMPUTING

The present invention is applicable to the technical field of computers, and provides a key generation, backup and migration method and system based on trusted computing. The method comprises: receiving a key generation request input by a user; controlling a trusted platform module to generate a platform migratory key, encrypting the platform migratory key by using a public key of a root key of the trusted platform module, and storing a cipher text key of the platform migratory key; controlling the trusted platform module to generate a user migratory key, encrypting the user migratory key by using a public key of the platform migratory key, and storing a cipher text key of the user migratory key; and controlling the trusted platform module to generate a user binding key, encrypting the binding key by using a public key of the user migratory key, and storing a cipher text key of the binding key. According to the present invention, the generation, backup, recovery and migration of the key ...

Power line carrier communication circuit

The invention relates to the technical field of carrier communication, and provides a power line carrier communication circuit which comprises a main control unit, a signal sending circuit and a sending coupling circuit, the input end of the signal sending circuit is connected with the first output end of the main control unit, and the output end of the signal sending circuit is connected with the input end of the sending coupling circuit. By means of the technical scheme, the problem that in the prior art, a power line carrier communication circuit is poor in communication performance is solved.

Calculation method for fractal dimension of fracture surface of secondary distribution concrete

The invention discloses a secondary preparation concrete fracture surface fractal dimension calculation method, which belongs to the field of concrete material surface topography representation application, and comprises the following steps: secondary preparation concrete fracture surface image acquisition, three-dimensional image processing, point cloud data extraction, fracture surface model reconstruction and surface fractal dimension calculation. The whole process from fracture surface collection to fractal dimension calculation strictly complies with standard conditions, errors of all links are reduced as much as possible, fractal dimension calculation of the fracture surface is achieved through programming, and calculation precision and efficiency are improved. The method for calculating the fractal dimension of the fracture surface of the secondary mixed concrete, provided by the invention, is suitable for indoor tests and actual engineering environments, is simple to operate and ...

Powder hot isostatic pressing near-net forming method for titanium alloy workpiece

The invention discloses a powder hot isostatic pressing near-net forming method for a titanium alloy workpiece, and belongs to the technical field of titanium alloy powder metallurgy. The method comprises the steps that (1) A3 steel is adopted to manufacture a sheath mold, and an inner cavity of the mold is subjected to argon arc welding to form a closed structure after being subjected to powder injection and vacuumizing; (2) preparing titanium alloy powder by adopting a crucible-free induction melting ultrasonic gas atomization method; (3) titanium alloy powder is injected into the sheath mold through a vibration method, the titanium alloy powder tap density is achieved, and seal welding is conducted after vacuum degassing; and (4) after hot isostatic pressing, machining and chemical milling are conducted, and the target titanium alloy workpiece is obtained. The titanium alloy workpiece obtained through the method has a uniform and fine microstructure and good comprehensive performance ...

Safety warning equipment convenient to move and used for power supply maintenance

The invention relates to convenient-to-move safety warning equipment for power supply maintenance. The convenient-to-move safety warning equipment comprises a plastic base, a mounting space, an avoiding groove, a telescopic supporting assembly, a driving assembly, a control handle, an air bag warning assembly, a top cover, a clamping limiting piece and an inflation assembly. The top and the bottom of the plastic base are both provided with mounting spaces, the two ends of the plastic base are both provided with receding grooves, and the driving assembly is mounted at the bottom of the plastic base and connected with the control handle; during use, the control handle can control the driving assembly to move the plastic base; during use, the driving assembly can be controlled through the control handle to move the plastic base. When the warning device needs to be used, the telescopic supporting assembly vertically penetrates through the receding groove and is connected with the top cover ...

Preparation method of high-surface-quality movable fast-assembly scaffold aluminum material

The invention relates to a preparation method of a high-surface-quality movable fast-assembly scaffold aluminum material, in particular to a preparation method of a high-surface-quality movable fast-assembly scaffold aluminum material. The invention aims to solve the problem that the inner surface of the pipe for the quick-assembly movable scaffold produced by the existing method is scratched. The method comprises the following steps: 1, surface treatment; 2, primary extrusion; 3, secondary extrusion; 4, cold rolling; 5, straightening; and 6, low-temperature annealing. The method is used for preparing the high-surface-quality movable fast-assembly scaffold aluminum material.

SWITCHING APPARATUS FOR RESIDUAL CURRENT CIRCUIT BREAKER

A switching apparatus for a residual-current circuit breaker, comprising: an A-type residual-current detection drive circuit (102), a B-type residual-current detection drive circuit (104), a switching power supply (106), a trip execution circuit (108) and a drive-switching circuit (110), wherein the B-type residual-current detection drive circuit is powered by the switching power supply. The drive-switching circuit detects a power supply voltage of the switching power supply. When the drive-switching circuit detects the power supply voltage, the drive-switching circuit turns on the B-type residual-current detection drive circuit and the trip execution circuit, and the B-type residual-current detection drive circuit drives the trip execution circuit. When the drive-switching circuit does not detect a power supply voltage, the drive-switching circuit turns on the A-type residual-current detection drive circuit and the trip execution circuit, and the A-type residual-current detection drive ...

Bearing rear bumper feeding and press-fitting mechanical arm

The invention discloses a bearing rear bumper feeding and press-fitting mechanical arm which is composed of a mechanical arm walking cross beam (1), a mechanical arm lifting arm base plate (2), a mechanical arm lifting arm (3), a mechanical arm press-fitting arm (4), a mechanical arm grabbing chuck (5) and a mechanical arm clamping jaw (6). According to the equipment, the bearing rear bumper is assembled on the bearing before the bearing of the railway vehicle is assembled, and an operator does not need to manually assemble the bearing rear bumper.

Intelligent order dispatching anti-error method based on big data analysis

The invention discloses an intelligent dispatching error prevention method based on big data analysis, relates to the technical field of power grid dispatching, and solves the problems that in the prior art, when dispatching error prevention is carried out, historical data is subjected to probabilistic analysis to obtain a dispatching rule for verification, the accuracy and applicability of the dispatching rule cannot be ensured, and the verification efficiency is low. And the anti-error precision of power grid dispatching does not meet the requirement. Scheduling operation knowledge is extracted from continuously collected and updated historical operation tickets, the scheduling operation knowledge is analyzed to obtain a scheduling equipment sequence, then a plurality of scheduling equipment sequences are obtained, then assignment processing is performed on the power grid equipment knowledge graph according to a plurality of scheduling equipment academies, the comprehensiveness of the ...

Application of AZD8055 in improvement of drought stress tolerance of pinellia ternate

The invention discloses application of AZD8055 in improving drought stress tolerance of pinellia ternate, and belongs to the technical field of planting of traditional Chinese medicinal materials. It is found that the tolerance of pinellia ternate plants to drought stress can be remarkably enhanced by spraying the AZD8055 solution, the AZD8055 solution has the application of improving the tolerance of the pinellia ternate to the drought stress, and the drought tolerance of the pinellia ternate can be improved by spraying the AZD8055 solution before the drought stress. The method is simple and easy to implement, low in input cost, small in toxic and side effect and capable of remarkably improving the drought tolerance of pinellia ternate, further guarantees market supply and medicinal material quality and increases economic benefits of pinellia ternate planting.

Traditional Chinese medicine polysaccharide composition with functions of diminishing inflammation and stopping bleeding and application of traditional Chinese medicine polysaccharide composition

The invention belongs to the technical field of traditional Chinese medicines, and particularly discloses a traditional Chinese medicine polysaccharide composition with anti-inflammation and hemostasis functions and application thereof. The traditional Chinese medicine polysaccharide composition comprises the following components in percentage by mass: not less than 50% of ginger-processed elsholtzia ciliata polysaccharide; the traditional Chinese medicine polysaccharide composition can remarkably reduce the bleeding time of mice and the foot swelling degree of rats, and achieves the effects of diminishing inflammation and stopping bleeding. The traditional Chinese medicine polysaccharide composition obtained by the invention has remarkable anti-inflammatory and hemostatic effects, can be applied to preparation of oral care products, and has better anti-inflammatory and hemostatic effects if being matched with 25-50% of sarcandra glabra polysaccharide.

Grain conveying device for grain drying

The invention discloses a grain conveying device for grain drying, and relates to the technical field of grain processing. The problem of drying efficiency is solved. The device specifically comprises an auger lifting mechanism, a discharging pipe arranged at the bottom of the upper portion of the auger lifting mechanism and a feeding hopper arranged at the top of the lower portion of the auger lifting mechanism, a conical barrel is fixedly installed at the bottom of the discharging pipe, and the same scattering mechanism is arranged in the conical barrel and the discharging pipe; the scattering mechanism comprises a scattering shaft and scattering blades, the scattering blades are fixedly installed on the side wall of the scattering shaft, and the top of the scattering shaft is connected with a first motor used for driving the scattering shaft to rotate through a coupler. By arranging the scattering mechanism, the scattering mechanism can apply rotary motion to grains when the grains freely ...

SEMICONDUCTOR LASER

A semiconductor laser, comprising a substrate (100) and lasers (120, 120.1, 120.2, 120.3) disposed on the substrate, fast-axis collimating components (154, 154.1, 154.2, 154.3), slow-axis collimating components (158, 158.1, 158.2, 158.3), steering and compressing optical systems (135, 140, 162, 162.1, 162.2, 162.3, 166, 167, 168), a polarizing beam combination prism (142), a focusing lens (170) and an optical fiber (174). The lasers (120, 120.1, 120.2, 120.3) may be provided in two rows or in one row, and the lasers (120, 120.1, 120.2, 120.3) in the same row are located on one plane. Each of the lasers (120, 120.1, 120.2, 120.3) is provided, along an optical path direction, with a fast-axis collimating component (154, 154.1, 154.2, 154.3) and a slow-axis collimating component (158, 158.1, 158.2, 158.3) in sequence. The lasers (120, 120.1, 120.2, 120.3) in the same row correspond to a set beam for steering and compressing and collimated by the fast-axis collimating components (154, 154.1 ...

SWAYING STRUCTURE AND BIONIC PLANT

Disclosed are a swaying structure and a bionic plant. The swaying structure comprises: a plurality of swaying joints (10) which are successively arranged in series, wherein two adjacent swaying joints (10) are rotatably connected together; an elastic structure (30) being connected between two adjacent swaying joints (10), wherein the elastic force of the elastic structure (30) enables the swaying joints (10) to sway toward a first direction; a tensioning structure (40) being connected between the two adjacent swaying joints (10), wherein the tensioning structure (40) has a loose state and a tensioned state, and when the tensioning structure (40) is changed from the loose state to the tensioned state, the tensioning structure (40) drives the swaying joints (10) to sway toward a second direction; and a driving structure (50), wherein the driving structure (50) drives the tensioning structure to change from the loose state to the tensioned state. The structure solves the problem that the swaying ...

SOFTWARE COMPILING METHOD AND DEVICE

A software version compiling method and apparatus. The method comprises: according to a pre-established failed creation information repository, determining a target frequent item set in the repository (S10), wherein an item set for each previous failed creation is stored in the failed creation information repository; calculating a dependence relationship between modules according to the target frequent item set, and determining an effective strong correlation rule (S20); and binding together the modules which are in an effective strong correlation, to simultaneously compile orsimultaneously give an early warning (S30).

FAN-SHAPED TIGHTLY-ARRANGED LASER

Disclosed is a fan-shaped tightly-arranged laser, comprising a module packaging unit and a tightly-arranged output unit. A plurality of single die modules are disposed in the module packaging unit, and each single die module is provided with a coupling optical fiber; a silicon wafer having a plurality of V-shaped grooves in the surface is disposed in the tightly-arranged output unit, and the plurality of V-shaped grooves are distributed into a fan-shaped shape; the coupling optical fibers of the single die modules extend out of the module packaging unit and enter the tightly-arranged output unit, and after a coating layer is stripped off, the coupling optical fibers are distributed in the V-shaped grooves to emit laser light in the arrangement direction of the V-shaped grooves. According to the present application, the plurality of single die modules are disposed in the module packaging unit in a centralized mode, and the coupling optical fibers of the single die modules are led out and ...

METHOD, DEVICE AND SYSTEM FOR PROCESSING ENCRYPTED TEXT

Disclosed are a method, a device and a system for processing an encrypted text. The method comprises: an encrypted text sending end selecting a random secret value; calculating a private key of a local end according to partial private key obtained by the local end and the random secret value; calculating a proxy key according to the private key of the local end and a public key released by an encrypted text receiving end, the public key released by the encrypted text receiving end being calculated by the encrypted text receiving end according to the selected random secret value and a public parameter of the system; and sending the proxy key so that the encrypted text receiving end obtains the encrypted text converted, by using the proxy key, from the encrypted text transmitted by the encrypted text transmitting end, and decrypts the obtained encrypted text. By adopting the embodiments of the present invention, the defects of the encrypted text re-encryption technology on collusion can be ...

Electric drive axle vehicle end and cloud diagnosis method, device and equipment and storage medium

The invention discloses a vehicle-side and cloud-side diagnosis device and method for an electric drive axle of an electric vehicle, corresponding electronic equipment and a transient computer readable storage medium. The health diagnosis of the electric drive axle is realized by acquiring the data generated in the normal state and the operation process of the electric drive axle, a response scheme is provided, and cloud monitoring and diagnosis are also realized through a communication network. Vehicle-end coping processing is realized through the module arranged at the vehicle end, cloud-end coping processing can also be realized by means of the Internet of Vehicles, artificial intelligence processing and personnel online processing can be realized by relying on cloud-end resources, real-time monitoring and automatic processing are realized, and the health maintenance level of the electric drive axle is greatly improved; according to the scheme, peripheral performance data is introduced ...

Elevator car roof leveling control method, device and system

The invention provides an elevator car roof leveling control method, device and system. The method is applied to an elevator controller. Distance information from the sill to the car roof is pre-stored in the elevator controller; the method comprises the steps of receiving a car top leveling request; wherein the request carries a target floor identifier; the current floor identification where the elevator car is located is obtained; determining a target moving direction and a target moving distance corresponding to the elevator car according to the target floor identifier, the current floor identifier and the distance information; and the elevator car is controlled to move by the target moving distance according to the target moving direction, so that car top leveling is achieved. Automatic leveling of the car roof can be achieved, the elevator does not need to be moved repeatedly, and the time for maintenance personnel to enter the car roof can be shortened.

Drill bit

The drill bit comprises a cone, a sealing groove, a first sealing ring and a second sealing ring, the sealing groove is formed in the cone, and the two sides of the sealing groove are the bearing mud side and the bearing lubricating grease side respectively; the first sealing ring and the second sealing ring are both arranged in the sealing groove, the first sealing ring is used for sealing the lubricating grease side of the bearing, the second sealing ring is used for sealing the slurry side of the bearing, and a self-lubricating channel is formed between the first sealing ring and the second sealing ring. According to the sealing device, the first sealing ring and the second sealing ring are used in a matched mode, the extrusion deformation amount can be automatically adjusted through external pressure changes, and reliable sealing is achieved; meanwhile, a self-lubricating channel is formed between the first sealing ring and the second sealing ring, self-lubricating can be achieved through ...

Mechanical grinding equipment for chemical materials

The chemical material mechanical grinding equipment comprises a grinding body and a supporting base, the bottom of the grinding body is provided with a first filter frame and a second filter frame, and the inner wall of the first filter frame is connected with a first filter screen in a quick-release mode; a first filter screen is connected to the interior of the first filter frame in a quick-release mode, a second filter screen is connected to the interior of the second filter frame in a quick-release mode, a second baffle is fixedly connected to the interior of the second filter frame, and the first baffle and the second baffle are both in an inclined state. The first filter frame and the second filter frame are used for double filtration of chemical materials, large-particle chemical materials are filtered out to remain outside the first baffle and the second baffle during filtration, and the first filter frame and the second filter frame can be detached as time increases continuously ...

Concrete support bidirectional servo system and construction method thereof

The invention discloses a concrete support bidirectional servo system and a construction method thereof.The system comprises a concrete support system composed of a concrete support and surrounding purlins on the concrete support, the surrounding purlins comprise a conventional surrounding purlin and two reinforcing surrounding purlins close to the sides where protected objects on the two adjacent sides are located, and corner reinforcing surrounding purlins are arranged between the reinforcing surrounding purlins; the servo control system comprises a first-direction servo control end consisting of first-direction servo jacks which are distributed on the reinforced enclosing purlin on one side in rows, and a second-direction servo control end consisting of second-direction servo jacks which are distributed on the reinforced enclosing purlin on the other side in rows; and the corner servo control ends are arranged at the joints of the corner reinforcing enclosing purlins and the reinforcing ...

Outer frame vertical structure interfered with foundation pit support and construction method of basement structure

The invention discloses a construction method of an outer frame vertical structure interfering with a foundation pit support and a basement structure. The construction method of the basement structure comprises the steps that a bottom plate is constructed in a foundation pit; the last but one support and the last but one support are both dismantled; planning a hoisting position and an underground horizontal transportation route of the vertical structure of the first section of outer frame; the last but one support influencing installation and transportation is locally dismantled; the first section of outer frame vertical structure hoisted on a horizontal transportation device is transported to the initial position of the installation position of the bottom plate through the horizontal transportation device; the vertical structure of the first-section outer frame is adjusted to an accurate position through an accurate in-position device; and after the construction of the first section of ...

ROLLER WASHING MACHINE AND UNBALANCE DETECTION METHOD AND DEVICE THEREOF

The present invention relates to the technical field of washing machine detection control. Provided are a roller washing machine and an unbalance detection method and device thereof. The method comprises: when a roller operates at a low constant speed, detecting the torque of the roller and acquiring average torque values; when the roller operates at a constant acceleration speed, acquiring average torque values and a minimum value of the average torque values of the roller in real time; determining whether a difference between each average torque value and the minimum value of the average torque values is greater than a preset unbalance threshold; and if the difference is greater than the preset unbalance threshold, determining that dynamic unbalance occurs on the roller; otherwise determining that dynamic unbalance does not occur on the roller. Accordingly, in the present invention, a sensor is not needed for unbalance detection, so that cost and the detection difficulty are lowered, ...

Torque sensor dismounting tool

The invention provides a torque sensor dismounting tool, and relates to the technical field of automobile tools, the torque sensor dismounting tool comprises a mounting disc, a sleeve, a fixing sleeve and a clamp spring plier, the edge of the interior of the mounting disc is provided with a mounting hole, the interior of the mounting disc is provided with a through hole, one side of the mounting disc is provided with a notch, the outer side of the sleeve is provided with an external thread, and the outer side of the sleeve is provided with a fixing sleeve. The sleeve is provided with a nut ring through an external thread; a fixing groove is formed in the fixing sleeve; the installation disc and the installation shell are fixed, a shaft rod of a sensor penetrates through a through opening, the shaft rod of the sensor is sleeved with a sleeve, the upper end of the shaft rod of the sensor is sleeved with a fixing sleeve, a screw is matched with an inner screw groove for locking, and at the ...

Adjustable shield receiving tunnel portal sealing device

The invention relates to the technical field of shield receiving tunnel portal sealing, in particular to an adjustable shield receiving tunnel portal sealing device which comprises a movable bearing assembly, an adjustable sealing assembly is arranged on the end face of the movable bearing assembly, the movable bearing assembly comprises a shear type lifting frame, and universal wheels are arranged at the four corners of the bottom of the shear type lifting frame; the adjustable sealing assembly comprises a bearing frame installed on the end face of the shear type lifting frame, fine adjustment pushing mechanisms are arranged on the upper side and the lower side of the bearing frame correspondingly, a sealing attachment regulation and control mechanism is installed on the front side of a bearing seat, and a sealing piece installation clamping assembly is arranged on the front side of a bearing plate. The position of the blocking piece can be regulated and controlled through the fine adjustment ...

Stroke setting method and equipment for electric actuating mechanism

The invention discloses a stroke setting method and device for an electric actuating mechanism, and the method comprises the steps: determining a first pulse value of a current valve position based on the data of the current valve position of the electric actuating mechanism when the electric actuating mechanism cannot be fully opened or fully closed, and setting a first moment when the electric actuating mechanism normally operates; when an opening direction instruction is received, the tail end of the opening position of the electric executing mechanism is controlled, a second pulse numerical value corresponding to the tail end of the opening position is determined, and a second torque corresponding to the opening direction is set; and when a turn-off direction instruction is received, controlling the tail end of the turn-off position of the electric actuating mechanism, determining a third pulse value corresponding to the tail end of the turn-off position, and setting a third torque ...

Workshop digital twin model real-time mapping and visual monitoring method

The invention relates to a workshop digital twinborn model real-time mapping and visual monitoring method, which comprises the following steps of: aiming at each element of a physical workshop, establishing a corresponding workshop digital model by utilizing a modeling tool, and establishing a workshop static digital model by taking workshop static information as an initial assignment of the workshop digital model; workshop operation data and state data are collected and obtained in real time through a physical workshop site; the acquired workshop operation data and state data are updated to a workshop static digital model in real time, and a workshop digital twin model is established and dynamically mapped with a physical workshop in a virtual environment; based on a workshop digital twinborn model, carrying out real-time visual monitoring on dynamic information of each element and flow of the workshop in a virtual environment; the real-time operation condition of the workshop is mastered ...

ROBOT, AND MOVING CONTROL METHOD AND DEVICE THEREFOR

A robot, and a moving control method and device therefor. The moving control method for the robot comprises: when a first foot of a robot is in front and a second foot is behind, controlling a first side of the second foot to drag forwards and a second side thereof to lift upwards, wherein dragging forwards being dragging in the moving direction of the robot and dragging being dragging in contact with the ground; when the second foot moves to be flush with the first foot in the moving direction, controlling the first side of the second foot to drag forwards and the second side thereof to put down; when the second side of the second foot puts down, controlling the first side of the first foot to drag forwards and the second side thereof to lift upwards; and when the first foot moves to be flush with the second foot in the moving direction, controlling the first side of the first foot to drag forwards and the second side thereof to put down. The method resolves the problem of a slow walking ...

ROBOT, AND DATA PROCESSING METHOD AND SYSTEM APPLIED THERETO

A robot, and a data processing method and system applied thereto. The robot at least comprises: a sensor (41), a main control board (45), and a collection control board (43) separately connected to the sensor (41) and the main control board (45). The collection control board (43) adopts an embedded real time operating system (431). The embedded real time operating system (431) assigns a detection task and a communication task to the collection control board (43). The data processing method applied to the robot comprises: a detection task obtains detection data collected by a sensor (41); the detection task generates a detection message according to the detection data; the detection task sends the detection message to a communication task, the communication task generating a detection packet according to the detection message and sending the detection packet to a main control board (45). The method and system solves the technical problem of poor real-time capability of a data processing ...

Comprehensive pregnancy nutrition monitoring system and method

The invention discloses a pregnancy nutrition comprehensive monitoring system and method, and the system comprises a three-dimensional modeling body component data collector and a nutrition metabolism conditioning work station, and the three-dimensional modeling body component data collector is electrically connected with the nutrition metabolism conditioning work station; the three-dimensional modeling body composition data collector adopts the principle of a posture density method, human body images are accurately collected through a camera, three-dimensional human body scanning is carried out on a pregnant woman in combination with an infrared induction test probe, and therefore body composition detection is completed. And the nutrition metabolism conditioning workstation adjusts a nutrition conditioning scheme according to the body composition information collected by the three-dimensional modeling body composition data collector. Three-dimensional modeling of the human body is completed ...

Distributed all-electric driving operation machine power system and control and energy management method

The invention discloses a distributed all-electric driving operation machinery power control system and a control method and an energy management method thereof, and the all-electric driving operation machinery power system is constructed based on four steering motors and four walking motors. A navigation controller and a distributed electric drive controller which are arranged in parallel are used for independently or jointly controlling a power system of the all-electric drive operation machine. A non-linear road adhesion coefficient observer and an active-disturbance-rejection controller are adopted to carry out weighted distribution on a compensation torque, a compensation rotation angle, a target angle of a steering motor and a target torque of a walking motor, and rapid and effective control over lateral deviation and slippage of the all-electric driving operation machine under a non-road road surface is achieved. And the stability and reliability of the operation machine are improved ...

Plastic master batch magnetic separation device

The invention relates to the technical field of plastic master batch magnetic separation, in particular to a plastic master batch magnetic separation device which comprises a containing unit and a magnetic separation unit. Powdery and granular ferromagnetic impurities in the plastic master batches are in contact with the magnetic separation unit and are discharged out of the device in time in the magnetic separation process, so that the magnetic separation effect of the magnetic separation unit is prevented from being influenced, and the powdery and granular ferromagnetic impurities in the plastic master batches are completely removed; and the plastic master batches attached to the surface of the magnetic separation unit are cleaned, so that the plastic master batches are prevented from being discharged out of the device along with powdery and granular ferromagnetic impurities, and waste is avoided.

Domestic water purification treatment equipment and process

The invention relates to equipment and a process for purifying domestic water, and belongs to the technical field of water treatment. According to the technical scheme, the device comprises a potassium permanganate filling device, an activated carbon filling device, a flocculation basin folded plate structure and a walking suction dredger arranged in a sedimentation basin, a sliding dovetail groove structure (26) is arranged between the end beam (21) and the walking wheel frame (25), and the sliding direction of the dovetail groove structure (26) is parallel to the axis of the walking wheel (23) and parallel to the main truss (1). When the track is too wide or too narrow, the walking wheels (23) can move transversely and slightly along the dovetail groove structure along with the walking wheel frame (25), the transverse position is adjusted, and the phenomenon of rail gnawing is avoided. The unbalance state of wheel rotation can be adjusted in time, so that rotation balance can be kept ...

MULTI-LEGGED ROBOT GAIT CONTROL METHOD AND APPARATUS, AND ROBOT

Provided is a multi-legged robot gait control method, comprising: dividing each gait of a robot into a plurality of action units having a pre-set order, acquiring a foot end motion trajectory of the robot and a target zero moment point corresponding thereto; where the robot is walking with a pre-set gait, according to a current zero moment point acquired in real time and the target zero moment point, obtaining a centre of mass motion trajectory of the robot; according to the foot end motion trajectory and the centre of mass motion trajectory, determining trajectory information about a component connection point of the robot; and controlling the robot to move in the order of the action units in a pre-set gait and according to the trajectory information about the component connection points corresponding to the action units. The method above solves the problem of using an offline design to plan the travel of a bi-legged robot, which causes poor anti-interference performance, and realizes ...

LASER BEAM COMBINER

A laser beam combiner, comprising: a laser array, a steering optical element (162), a conversion lens (166), a dispersion element (170) and an external cavity lens (174). The laser array comprises: M rows of lasers, each row of lasers comprising N lasers (120); M×N laser beams outputted by the laser array are emitted in parallel after passing through the steering optical element (162), and N laser beams corresponding to each row of lasers form a co-planar laser array; the planes in which M laser arrays are located are parallel to each other, wherein an interval between adjacent laser arrays is a specified distance; the N laser beams in each laser array are respectively incident on the dispersion element (170) at different angles after being converged by the conversion lens (166), the N laser beams in each laser array are combined into one output light beam after passing through the dispersion element (170), and M output light beams corresponding to the M laser arrays are outputted in parallel ...

METHOD AND DEVICE FOR CONTROLLING MOVEMENT OF INTELLIGENT UNIT, AND ROBOT

A method and device for controlling movement of an intelligent unit, and a robot. The method for controlling movement comprises: identifying, after a movement instruction is obtained, a moving target by means of a target detection device, the target detection device being mounted on a first intelligent unit; and controlling the first intelligent unit to move to the moving target, during the process of controlling the first intelligent unit to move to the moving target, controlling the distance between the first intelligent unit and a second intelligent unit to be greater than or equal to a first preset distance. The method resolves the technical problem in the prior art of easy appearance of interfere between a plurality of intelligent units when the intelligent units move to the same target.

Refrigerator and refrigeration control method

The invention particularly relates to a refrigerator and a refrigeration control method. The refrigerator comprises a refrigerator body and a refrigerating system arranged in the refrigerator body, a freezing storage chamber is defined by the refrigerator body, and the refrigerating system comprises a compressor, a condenser, a freezing capillary tube and a cold supply loop of a freezing evaporator which are connected through pipelines. A refrigeration storage chamber independent of the freezing storage chamber in the horizontal direction is defined in the cabinet body. The refrigeration system further comprises a refrigeration cold supply branch arranged in parallel with a connecting pipeline formed by the freezing capillary tube and the freezing evaporator. The cabinet body further comprises a variable-temperature storage chamber arranged below the freezing storage chamber and provided with an opening facing the side face, and an air supply device arranged in the cabinet body. The air ...

Automobile deviation correction algorithm

The invention belongs to the technical field of automobile safety, and particularly relates to an automobile deviation correction algorithm which comprises the following steps: step 1, establishing a wheel yawing moment difference calculation model based on a left and right driving shaft angle difference value; 2, establishing a dynamic angle calculation model of the universal joint of the driving shaft; 3, establishing a two-stage deceleration steering system model based on a wheel yaw moment difference calculation model and a driving shaft universal joint dynamic angle calculation model; and step 4, obtaining a numerical value of the motor compensation target torque, comparing the numerical value with a preset threshold value, judging whether early warning is needed or not, if early warning is needed, entering step 5, and if not, circularly executing the step 4. The defects in the prior art are overcome, the left and right wheel yaw moment difference caused by the angle difference of ...

Anti-condensation and water removal system for automobile environment wind tunnel drum

The invention relates to the technical field of wind tunnel condensation prevention, and discloses an automobile environment wind tunnel drum condensation prevention and water removal system which comprises a wind tunnel, a drum pit, a rain and snow simulation system and a controller are arranged in the wind tunnel, a drum and a motor are arranged in the drum pit, and the motor is connected with the drum. A drum pit temperature sensor and a drum pit humidity sensor are arranged in the drum pit, and a motor surface temperature sensor is arranged on the motor; an air inlet and an air outlet are further formed in the drum pit, the air inlet is communicated with a drying air pipe, a heater is arranged on the drying air pipe, and the air outlet is connected with an air outlet pipe, so that the problem that the interior of an existing drum is damaged due to long-time attachment of condensate water is solved.

Two-way output storage battery, power supply system and railway vehicle

The invention provides a two-way output storage battery, a power supply system and a railway vehicle. The two-way output storage battery comprises an auxiliary battery, a traction battery, a two-way DC/DC module, a normally-closed switch, a normally-open switch, a first external terminal, a second external terminal and a controller, the controller is used for monitoring the state of the auxiliary battery and the state of the traction battery, obtaining the state of the vehicle-mounted charger and the power receiving state of the vehicle and sending a discharging instruction to the two-way DC/DC module to work based on the state of the auxiliary battery, the state of the traction battery, the state of the vehicle-mounted charger and the power receiving state of the vehicle. And the bidirectional DC/DC module controls the traction battery to discharge to the auxiliary battery or controls the auxiliary battery to discharge to the traction battery according to the discharge instruction. According ...

QUALITY EVALUATION METHOD AND APPARATUS FOR SEQUENCE OF CORONARY ANGIOGRAM IMAGES

Disclosed is a quality evaluation method for a sequence of coronary angiogram images. The method comprises: calculating a blood vessel responsivity of each frame of image in a sequence of coronary angiogram images; comparing the blood vessel responsivities of all frames of angiogram images to obtain the optimal frame of the sequence of angiogram images; calculating a quality score of the optimal frame of image by means of image gradient information; and calculating quality scores of all the frames of angiogram images according to the quality score of the optimal frame of image and the blood vessel responsivities. The quality of image is quantified, such that quality scores of all frames of image in a sequence can be calculated and sorted; by means of the quality scores of images, the quality of a coronary angiogram image can be determined directly and rapidly, and the optimal frame in a sequence of coronary angiogram images can also be recommended automatically, thereby facilitating the ...

PROCESS FOR PREPARING VANADIUM-BASE SCR CATALYST COATING FOR PURIFYING TAIL GAS OF DIESEL VEHICLE

The present invention relates to a method for preparing a catalyst coating for removing nitrogen oxides from tail gas of a diesel vehicle. The catalyst is composed of V2O5, WO3 and TiO2. Fresh and aging sample bench tests show that the coating has a high nitrogen oxide removal rate (≥85%) at 250°C to 500°C, and the coating passes the ETC and ESC working condition cycle tests and conforms to the national IV emission limit. In the process, size mixing is conducted on the precursor to obtain catalyst slurry at one step, and the catalyst slurry is subjected to primary coating (the coated amount ≥210 g/L), drying, and roasting to obtain a honeycomb catalyst. The process is simple, has a low cost and high stability, and is suitable for mass production.

Rearmounted lateral recumbent posture shaft extension pump unit of motor

... 本实用新型公开了一种电机后置侧卧式轴伸泵装置，属于水利工程泵站技术领域。其特征是：电机后置侧卧式轴伸泵装置由平面方向布置的进水流道、轴流泵泵体和出水流道组成，电机布置在出水流道的外侧；将所述出水流道设计成沿水平方向弯曲的弯曲形，水泵轴由泵体的导叶体出口穿出出水流道，与水泵轴承及轴承座和卧式电机布置在出水流道外侧，依次与水泵轴连接；进水流道由进口直线段、平面弯曲段和出口圆台段组成；出水流道由平面弯曲段和出口直线段组成。本实用新型具有结构较为简单、电机散热条件较好、造价较低等优点。 ...

Method and system for treating petroleum polluted water

The invention discloses a method and a device for treating a petroleum polluted water body. The method comprises the following steps: enabling the petroleum polluted water body to enter an oxidation pond for stirring oxidation reaction, and carrying out blast aeration and sufficient stirring; reducing redundant potassium ferrate in the oxidized sewage by using a reducing agent, and carrying out reduction reaction until the wastewater is colorless or faint yellow; powdery activated carbon is adopted, blast aeration is performed, and sufficient stirring is performed; according to the invention, the construction period is short (modular design can be realized), and the efficiency is high (the pollutant removal efficiency can reach 99% or above; most pollutants are decomposed into carbon dioxide and water, treatment is thorough, and the technological process is short), and the cost is low (lower than that of an adsorption method).

Vehicle-ballast track-roadbed space coupling dynamics method, device and equipment

The invention discloses a vehicle-ballast track-roadbed space coupling dynamics method, device and equipment, and the method comprises the steps: reading and calculating a track irregularity sample and a system motion state, and obtaining wheel set displacement and steel rail discrete element particle displacement; carrying out displacement fitting on the steel rail discrete element particle displacement adjacent to the wheel-rail contact point to obtain the contact point steel rail displacement; according to the contact point steel rail displacement, the wheel set displacement and the track irregularity sample, a wheel-rail rolling contact model with a preset non-Hertz contact characteristic is adopted, and the space dynamic wheel-rail force is solved; the contact point space dynamic wheel-rail force is equivalently converted to adjacent steel rail discrete element particles and is calculated to obtain dynamic response data of a vehicle-ballast track-roadbed space coupling analysis system ...

Molecular feature extraction method based on substructure graph convolution

The invention discloses a molecular feature extraction method based on substructure graph convolution. According to the method, after a molecular graph structure is constructed and atomic features of all atomic points in the molecular graph structure are obtained, multi-order atomic features of all the atomic points are extracted based on a mixed multi-order graph convolution method, an atom mixed multi-order vector is obtained in combination with an attention model, and after a substructure graph is established and node features of all nodes are obtained, the multi-order atomic features of all the atomic points are obtained. According to the atom mixed multi-order vector and the sub-structure vector, on the basis of a cross convolution method of a fusion sub-structure, convolution calculation and splicing are carried out on the mixed multi-order molecular features and the first-order node features respectively, and a molecular graph convolution value of each layer in each atomic point ...

A NOVEL VEHICLE-MOUNTED SOS VOICE HELP CALLING SYSTEM

Disclosed is a novel vehicle-mounted SOS voice help calling system, relating to the interdisciplinary field of voice recognition and satellite navigation communications. The novel vehicle-mounted SOS voice help calling system comprises a power supply unit, a voice recognition unit, a control unit, a Beidou navigation unit, and a voice broadcast unit. The voice recognition unit is connected to the control unit; the Beidou navigation unit is connected to the control unit; the voice broadcast unit is connected to the control unit; the power supply unit supplies power for the voice recognition unit, the control unit, the Beidou navigation unit, and the voice broadcast unit. The present invention solves the problems of the limitation of the range of use and the convenience of conventional SOS help calling systems, thereby greatly facilitating the use by a customer.

INTELLIGENT VEHICLE-MOUNTED WIRELESS CHARGING APPARATUS

The present invention relates to the intersecting fields of vehicle-mounted radios and power management, and disclosed thereby is an intelligent vehicle-mounted wireless charging apparatus. The apparatus comprises a power supply unit, a control unit, a signal modulation and demodulation unit, a driving unit, a coil module unit and a communication unit; the control unit is respectively connected to the power supply unit, the signal modulation and demodulation unit, the driving unit and the communication unit, the driving unit is connected to the coil module unit, and the coil module unit is connected to the signal modulation and demodulation unit. The invention satisfactorily solves the compatibility problem of different protocol devices during charging, and also solves the power supply problem of multiple different protocol devices on one platform; when using the present invention, there is no need to consider the problem of device alignment since a device may be charged as long as the ...

Axial angle-digital conversion method of single-chip digital II-type tracking loop

The invention discloses an axial angle-digital conversion method of a single-chip digital II-type tracking loop, which comprises the following steps of: firstly, converting a differential rotary transformer signal representing an axial angle theta into a digital sine signal code stream and a digital cosine signal code stream by using an input analog signal processing circuit; and calculating the digital sine signal code stream and the digital cosine signal code stream by using a digital II-type tracking loop to obtain a digital angle, and performing error calculation until an error calculation value is close to 0, thereby realizing axial angle-digital conversion. According to the invention, the whole circuit is integrated on a single chip, the structure is simple, the realization is easy, the conversion speed is fast, the precision is high, and the anti-interference capability is strong.

HORIZONTAL REFRIGERATOR

A horizontal refrigerator (200), comprising a body, which comprises a housing (10) and a liner (20). The liner (20) is provided with an accommodating part (21); the bottom of the liner (20) is recessed toward the accommodating part (21) to form a recess (22); the recess (22) has a first side wall (221) connected to a bottom plate (25) of the liner (20); an evaporator cavity is provided between an air passage plate (210) and the first side wall (221); the air passage plate (210) comprises a first cover plate (211), a second cover plate (212), and a third cover plate (213); the second cover plate (212) comprises a bending part (214); the bending part (214) extends towards the evaporator cavity. The space utilization of the accommodating part (21) is improved.

STRESS TESTING SYSTEM FOR INTERNET-OF-THINGS PLATFORM, METHOD, DEVICE, AND SERVER

The present invention relates to the technical field of the Internet of things, and particularly relates to a stress testing system for an Internet-of-Things platform, a method, a device, and a server. The system comprises a server, an Internet-of-Things platform, and a management platform. The Internet-of-Things platform is used to establish a communication connection to the server, and send virtual resource information to the server. In turn, the server is used to establish a communication mechanism according to the virtual resource information, receive operational data transmitted by multiple industrial apparatuses according to the communication mechanism, and send the operational data to the Internet-of-Things platform for processing. The management platform monitors consumption of system resources while each component of the Internet-of-Things platform is processing the operational data. In the present solution, the server establishes the communication mechanism according to an actual ...

COMPREHENSIVE ADVANCE GEOLOGICAL DETECTION SYSTEM MOUNTED ON TUNNEL BORING MACHINE

A comprehensive advance geological detection system mounted on a tunnel boring machine comprises a multi-function combination host (4), an induced polarization detection apparatus (5), a seismic wave detection apparatus (59), an integrated wiring apparatus (8), a drilling geological radar detection apparatus (3) and a comprehensive interpretation and decision-making system (60). The multi-function combination host (4) comprises a time division multiplexing control module (57), an excitation source control module (56) and a parallel data collection module (58). Through the excitation source control module (56), a trigger signal is output to the three detection apparatuses respectively; the three detection apparatuses respectively output measurement data and a feedback signal (63) to the time division multiplexing control module (57) through the parallel data collection module (58); and the comprehensive interpretation and decision-making system (60) provides support for geological interpretation ...

Refrigeration equipment and freezing control method and device

The invention discloses refrigeration equipment and a freezing control method and device.The control method comprises the steps that in the process that the temperature of food materials is reduced, the rotating speed of a draught fan is gradually reduced, and the rotating speed of the draught fan is increased till the temperature is reduced to a target temperature interval. According to the freezing control method, the duration of food passing through an ice crystal zone can be effectively shortened, the food is refrigerated at a low speed before entering the ice crystal zone, the outer surface of the food is subjected to less cooling capacity, and when the food is cooled to a proper temperature from inside to outside, the temperature difference between the inside and the outside of the food is small, at the moment, refrigeration is accelerated, and the food passes through the ice crystal zone rapidly; the problem that the time for integrally penetrating through an ice crystal zone is ...

High-efficiency enrichment and detection method for microplastics based on thermophoresis enrichment technology

The invention discloses an efficient enrichment and detection method for micro-plastics based on a thermophoresis enrichment technology, which comprises the following steps: irradiating a to-be-detected micro-plastic solution with light capable of generating heat by using a laser light source, enabling at least part of the solution to generate temperature difference relative to other positions, and enabling the interior of the solution to have at least two temperature gradient changes, moving and enriching the micro-plastic particles in the solution along the temperature change; the micro-plastic distribution condition in the enrichment area is observed through a bright field microscope, the positions of the enriched micro-plastic particles are determined, Raman spectrum detection is used for detecting the enriched micro-plastics, specific Raman peak signals of the micro-plastics are obtained, and the number of the micro-plastics is correspondingly converted. According to the method, the ...

Ultrastrong high-toughness corrosion-resistant aluminum alloy annular forge piece for spaceflight and preparation method thereof

The invention discloses a super-strong high-toughness corrosion-resistant aluminum alloy annular forge piece for spaceflight and a preparation method of the super-strong high-toughness corrosion-resistant aluminum alloy annular forge piece, relates to the preparation method of the super-strong high-toughness corrosion-resistant aluminum alloy annular forge piece for spaceflight, and aims at solving the problem that an existing aluminum alloy annular forge piece cannot meet the spaceflight use requirement. The aluminum alloy annular forge piece is prepared from smelting raw materials including Cu, Mg, Zn, Zr, Cr, Ti and Al through smelting, casting, homogenizing annealing, hot forging, quenching, cold compression and aging. The super-strong high-toughness corrosion-resistant aluminum alloy annular forge piece is produced through alloy component optimization, ingot casting quality control, a multi-stage homogenization treatment technology, a forging forming technology and a three-stage quenching ...

Electric power meter with environment monitoring function

The invention relates to an electric power meter with an environment monitoring function, which comprises a main shell, a power supply module, a control module, an MCU (Microprogrammed Control Unit) module, a metering module, a display module, an environment sensing module and a vertical PCB (Printed Circuit Board), and is characterized in that a sub-shell for fixing the environment sensing module is arranged on the main shell. The MCU module receives the environment information collected by the environment sensing module and then displays the environment information through the display module, so that the environment information when the electric power meter works can be obtained, and when the environment temperature exceeds a set value, the environment temperature and humidity can be quickly and effectively controlled, thereby ensuring the normal operation of the electric power meter. In addition, the environment sensing module is installed on the main shell through the sub-shell, so ...

Anti-drawing large-bearing-capacity vertical seismic isolation support

The invention discloses an anti-drawing large-bearing-capacity vertical seismic isolation support, belongs to the technical field of seismic isolation, and aims at solving the problems that a traditional vertical seismic isolation support is insufficient in coping with large bearing capacity and poor in anti-drawing capacity. Comprising an upper plate, an inner conical core, a first wedge-shaped ring, a second wedge-shaped ring, a third wedge-shaped ring, an upper connecting conical sleeve, a lower connecting conical sleeve and a lower plate. The first damping sleeve, the first wedge-shaped ring, the second damping sleeve, the second wedge-shaped ring, the third damping sleeve, the third wedge-shaped ring, the fourth damping sleeve, the upper connecting taper sleeve and the outer rubber taper sleeve are sequentially connected to the inner taper core in an abutting and sleeving mode from inside to outside, and the top ends of the inner taper core, the second wedge-shaped ring and the upper ...

Method and system for measuring distance between trains

The invention discloses a method and system for measuring the distance between trains. The method for measuring the distance between the trains comprises the steps that train position information is obtained, wherein train position information is obtained through a vehicle-mounted secondary radar and a ground secondary radar; and a step of obtaining the distance between the trains: calculating and obtaining the point distance between the vehicle-mounted secondary radar and the ground secondary radar, calculating and obtaining the distance between the train and the ground secondary radar according to the train position information and the point distance, calling a configuration file to obtain the position information of the ground secondary radar, and obtaining the distance between the trains according to the position information of the ground secondary radar. And calculating the distance between the trains according to the distance between the train and the ground secondary radar and the ...

Anti-blocking discharging mechanism of grain dryer

The invention discloses an anti-blocking discharging mechanism of a grain drying machine, and relates to the technical field of discharging mechanisms. The blockage in the discharging process is avoided; comprising a first discharging pipe, a driving part and an impurity cleaning part, an arc-shaped pipe is welded to the outer wall of the top of the first discharging pipe, and the impurity cleaning part comprises filter screens which are fixed to the inner walls of the two sides of the first discharging pipe and are integrally arranged in an inclined mode; and the moving plate is movably connected to the inner wall of a sliding groove formed in one side wall of the discharging pipe, and a limiting block matched with the hole formed in the first discharging pipe is fixed to the outer wall of one side of the moving plate. According to the grain screening device, impurities in grains can be effectively filtered and intercepted by arranging the filter screen, and the movable plate is arranged ...

Manufacturing method of metal aluminum circuit board, metal aluminum circuit board and circuit board module

The invention discloses a metal aluminum circuit board manufacturing method, a metal aluminum circuit board and a circuit board module, and the method comprises the steps: preparing an aluminum-coated base material which comprises an insulating base material layer and a front aluminum layer located on one side of the insulating base material layer; manufacturing anti-etching ink on the front aluminum layer, and covering the aluminum layer at the position where a circuit and a conductive wire need to be formed; an etching method is used for etching the aluminum-coated base material, the front aluminum layer is etched to form a front aluminum circuit layer and an aluminum conductor wire, and all circuits of the front aluminum circuit layer are interconnected and conducted through the aluminum conductor wire; removing the anti-etching ink; manufacturing a front solder mask layer on the front aluminum circuit layer, wherein the front solder mask layer partially covers the front aluminum circuit ...

TRAIN NETWORK DEVICE AUTOMATIC TEST BED

A train network device automatic test bed comprises a host, a man-machine interface, an input/output interface, a communication interface, a power interface, a test cable, and an auxiliary test device. The man-machine interface, the input/output interface, the communication interface, and the power interface are all connected with the host. The auxiliary test device is connected with the host through the test cable. The host controls, through the output interface, a central control unit, and a remote input and output module of a network control system of the train, and a gateway module and a power module of an RS485-to-MVB gateway, and detects each part of the network control system of the train. By using the network device automatic test bed in the present invention, an actual test bed is established, thereby achieving the detection on the central control unit (CCU), the remote input and output module (RIOM), the RS485-to-MVB gateway and the power module of each train network control system ...

CIRCUMFERENTIAL FORMING CUTTER HOLDER-TYPE MILLING ASSEMBLY HAVING VARIABLE PROFILE ANGLES

A circumferential forming cutter holder-type milling assembly having variable profile angles, comprising a disk base body (1); a disk base is provided at an outer circumferential area of the disk base body (1); and several replaceable circumferential forming cutter holder-type milling assemblies (2) are evenly distributed on the disk base body in the circumferential direction, and the replaceable circumferential forming cutter holder-type milling assemblies (2) are connected to the disk base by means of profile angle adjustment mechanisms (3).

Drill bit tooth temperature control structure and welding method

The invention relates to a drill bit tooth temperature control structure and a welding method. The drill bit tooth temperature control structure comprises a drill bit body; the rolling cutting assembly is fixed on the drill bit body, and the rolling cutting assembly comprises a bit leg and a cone mounted on a bit leg shaft; the cooling block is installed on the bit leg, one side of the cooling block is attached to the bit leg, and the cooling block is connected with a cooling pipeline; and the thermocouple is mounted on the cooling block, and the thermocouple penetrates through the assembly block to be in contact with the bit leg. The whole drill bit assembly welding is completed by adopting a low-heat-input welding technology and matching with a welding layer arrangement mode of a specific U-shaped welding seam, the temperature control of a bit leg shaft is realized by combining a cooling system consisting of a cooling device and an air cooling device and temperature monitoring, and the ...

Marine environment monitoring method and device, computer equipment and storage medium

The invention provides a marine environment monitoring method and device, computer equipment and a storage medium, relates to the technical field of environment monitoring, and is used for improving the monitoring comprehensiveness and monitoring efficiency of marine environment monitoring. The method mainly comprises the following steps: receiving marine environment monitoring task information; controlling the unmanned aerial vehicle to fly to the sky corresponding to the monitoring area range according to the monitoring area range so as to shoot an overhead image in the monitoring area range; acquiring position information of each unmanned ship in the monitoring area range; acquiring state information of each unmanned ship in the monitoring area range, and according to the position information and the state information of each unmanned ship in the monitoring area range and the monitoring precision information and the monitoring frequency information corresponding to the monitoring area ...