玩具（小飞机）

显示屏幕面板的进出场工具登记核销人机交互界面

桌椅套件（书法临摹台）

Power quality monitoring and analyzing device

... 本实用新型涉及一种电能质量监测与分析装置。目前的电能质量监测仪无法同时监测多项指标及多个监测点，数据不能共享，不利于进行深入电能质量评估。本实用新型组成包括：系统主板（5），所述的系统主板与信号处理装置（9）连接，所述的信号处理装置与电压互感器（10）连接，所述的系统主板分别与显示器（21）、键盘（13）连接。本实用新型用于电能质量监测与分析装置。 ...

Device for preventing elevator sedan -chair lock short circuit

... 种防止电梯轿门锁短接的装置，包括：高电压电气检测电路、安全回路、厅门锁、轿门锁、继电器、保护二极管、电梯主控制器；所述高电压电气检测电路上包括安全检测点X1、轿门锁检测点X2、厅门锁检测点X3、继电器线圈控制点Y1、公共端COM；所述厅门锁包括至少两个厅门锁开关TK，继电器包括常开触点KK1和控制线圈XQ1；所述高电压电气检测电路包括安全检测点X1、轿门锁检测点X2和厅门锁检测点X3。本实用新型种防止电梯轿门锁短接的装置，基于现有通用的电梯系统安全电路，在电路结构上只需增加个继电器及保护二极管附加成本很小，能够自动防止电梯轿门锁异常短接所导致的安全事故，进步提高电梯安全性。 ...

Behavior analysis method and device based on AI intelligent image analysis processing

The invention discloses a behavior analysis method and device based on AI intelligent image analysis processing, and an image data processing method comprises the following steps: 1, carrying out the performance test of a sensor, and developing a set of imaging test system with an image sensor as a core, the imaging test system is composed of an image sensor, a peripheral circuit, a computer and an integrating sphere light source, and the peripheral circuit provides a time sequence and voltage required by work and transmits digital image data to the computer for processing; the computer realizes the functions of data acquisition, storage, display, image processing and integral time control by using a CameraLink image acquisition card; 2, creating a system model; according to the method, the collected image can be effectively processed in a mode of combining defect pixel replacement and non-uniform correction, so that the visual image is smooth and free of obvious white points, black points ...

Safety cover of rotatory lathe tool of lathe

... 车床旋转车刀的保护罩，主要由液压驱动器、液压伸缩杆、红外感应盒、红外线发射接收器和车刀保护罩构成，液压驱动器与液压伸缩杆连接，液压驱动器外壳内置液压驱动系统，液压驱动器为液压伸缩杆提供液压伸缩驱动力；液压伸缩杆由螺母固定于液压驱动器上，液压伸缩杆外设伸缩嵌槽并活动连接，由液压驱动往复拉伸；红外感应盒由螺母与液压伸缩杆连接，红外感应盒内置红外信息处理装置，处理红外线发射接收器信息；所述车刀保护罩与红外感应盒为体式结构，由液压伸缩杆驱动拉伸；车刀保护罩连接于红外感应盒，保护罩上安置四个方向的红外线感应器，分别为红外线感应器，用于感应物料与车刀距离；车刀保护罩整体经金属箍由螺母固定于螺母口处，将整体固定于车刀上。 ...

Measuring method and wide-range contourgraph based on atomic force microscope measuring head

The invention relates to the technical field of contour measurement, in particular to a measurement method and a large-range contourgraph based on an atomic force microscope measuring head. The Z-direction measurement value of the profile of the sample is obtained through the AFM measuring head, and the real Z-direction value of the sample is obtained based on the Z-direction measurement value and the measurement error value of the sample at the position of the probe tip of the probe of the AFM measuring head, so that the measurement error caused by large-range profile measurement is overcome, and the measurement accuracy is improved. In some embodiments, when the contour of the sample changes and the Z-direction piezoelectric ceramic is close to the stroke limit, the Z-direction piezoelectric ceramic moves towards the middle of the stroke of the Z-direction piezoelectric ceramic through feedback movement of the Z-direction motor, and the height of each point on the contour of the sample ...

SgRNA combination for knocking out ddx18 gene of zebrafish and application of sgRNA combination

The invention provides an sgRNA combination for knocking out ddx18 genes of zebrafish and application of the sgRNA combination, and belongs to the technical field of gene knockout. The invention provides an sgRNA (Single Guide Ribonucleic Acid) combination. The sgRNA combination comprises a first sgRNA, a second sgRNA, a third sgRNA and a fourth sgRNA. Through a CRISPANT technology, the sgRNA combination disclosed by the invention can be used for specifically knocking out 177bp gene segments on 5 # and 6 # exons of the ddx18 gene of the zebrafish, and ddx18 gene deletion type zebrafish is bred, so that a zebrafish leukemia model is constructed. The zebrafish leukemia model provided by the invention lays a good foundation for further research on the relationship between ddx18 gene mutation and leukemia pathogenesis and screening of anti-leukemia drugs.

Timing system installation method and vehicle

The invention relates to the technical field of vehicles, in particular to a timing system mounting method and a vehicle. The timing system installation method comprises the steps that the corresponding relation between the phase of a cam shaft and the rotating torque of a valve spring to the cam shaft is established; selecting one phase of the cam shaft with non-zero rotation torque as an installation phase; the camshaft and the crankshaft are installed through the installation phase, the limit installation phase deviation of the camshaft is calculated, and the direction of the limit installation phase deviation is the same as the direction of the rotating torque borne by the camshaft at the installation phase. The cam shaft only deviates to one direction in the mounting phase under the action of external force applied by the valve spring during mounting, so that the limit mounting phase deviation deviates to one direction instead of randomly deviating to two directions; and the limit ...

Rigid object 6D pose estimation method based on shape constraint combined vector screening

The invention discloses a shape constraint combined vector screening rigid object 6D pose estimation method, which can effectively improve the 6D pose estimation precision. The invention defines a method for describing the shape of an object in an image. According to the invention, the geometric relationship between different 2D key points is utilized to assist in 2D key point positioning. Meanwhile, when any two vectors are selected to calculate the hypothetical key points, the reasonability of the used vectors is not considered in the prior art, so that the position deviation of the generated hypothetical key points is large, the invention provides a vector screening strategy to prevent unreasonable vector calculation of the hypothetical key points, so that the position deviation of the hypothetical key points is reduced, and the calculation accuracy of the hypothetical key points is improved. And finally, the pose estimation performance is improved.

LOW-SMOKE ZERO-HALOGEN FIRE-RESISTANT FLEXIBLE POWER CABLE

A low-smoke zero-halogen fire-resistant flexible power cable comprises, from an outer side to an inner side, a sheath layer (1), an insulation layer (2), a mica tape layer (3), and a conductive member (4). The material of the sheath layer (1) is an environmentally-friendly low-smoke zero-halogen polyolefin material having high-temperature resistance to 110℃. The material of the insulation layer (2) is a cross-linked polyethylene insulation material also having high-temperature resistance to 110℃. The mica tape layer (3) is fabricated by winding two overlapping layers of a calcined phlogopite mica tape. The conductive member (4) is fabricated by twisting multiple annealed bare copper wires. The power cable is fire-resistant up to 1050℃, extremely close to the melting point of copper. The power cable is capable of effective operation even in a major fire having a temperature higher than 950℃ and lower than the melting point of copper, thereby significantly improving safety during use, and ...

Non-uniform annular prism for controlling light deflection and laser radar application structure thereof

The invention discloses a non-uniform annular prism for controlling light deflection and a laser radar application structure thereof, and relates to the technical field of three-dimensional optical scanning of laser radars, the non-uniform annular prism comprises an annular prism body, the annular prism body comprises an inner wall surface, an outer wall surface, an upper annular end surface and a lower annular end surface, the edges of the inner wall surface and the outer wall surface end at the edges of the upper annular end surface and the lower annular end surface; the widths of the upper annular end face and the lower annular end face are different, and the sizes of the upper annular end face and the lower annular end face are different; the distance between the inner wall face and the outer wall face is not consistent in the circumferential direction and/or the axial direction. According to the laser radar application structure, the annular prism body is connected with the laser radar ...

Fault diagnosis method and device for photovoltaic power station and photovoltaic system

The invention discloses a fault diagnosis method and device for a photovoltaic power station and a photovoltaic system, and belongs to the technical field of photovoltaic power generation. The photovoltaic module service life prediction method comprises the steps that a shadow shielding type corresponding to a to-be-detected photovoltaic power station is determined based on historical current data of the to-be-detected photovoltaic power station, and the shadow shielding type comprises at least one of fixed shielding, vegetation shielding and all-day low efficiency; determining a target label of the to-be-detected photovoltaic power station based on at least one of the dynamic data and the static data of the to-be-detected photovoltaic power station; the target label is used for describing the characteristics of the photovoltaic power station to be detected from a plurality of different dimensions; and determining target fault information of the to-be-detected photovoltaic power station ...

Intelligent diagnosis model construction method for faults of potentiostat of cathode protection system

The invention relates to an urban gas pipeline cathode protection system. The invention provides a cathode protection system potentiostat fault intelligent diagnosis model construction method, which comprises the steps of constructing a fault knowledge graph of a cathode protection system, structuring the fault knowledge graph, carrying out graph calculation by utilizing GCN, extracting spatial features of the graph as an input sequence, inputting the spatial features into a Transform model, calculating probability distribution of fault categories, and constructing a fault diagnosis model of the cathode protection system. And selecting the fault with the maximum probability as a prediction value, training the model, and stopping training until the prediction performance reaches a preset value, so that the model construction is completed. A time sequence diagram product neural network GCN is combined with a time sequence Transform network to carry out fault reasoning on a gas pipe network ...

Road environment collaborative perception decision-making method and device

The invention discloses a road environment collaborative perception decision-making method and device, and relates to the technical field of energy network connection. The method comprises the steps that sensing data uploaded by a plurality of edge computing units and sensing data issued by a cloud platform are acquired, and the edge computing units are deployed at different intersections; determining to-be-analyzed data according to the sensing data uploaded by the plurality of edge computing units and the sensing data issued by the cloud platform; using a strong learning classifier formed by a plurality of weak learning classifiers to perform collaborative perception decision on the to-be-analyzed data to obtain collaborative perception confidence information; and issuing the collaborative perception confidence degree information to the different intersections. By applying the technical scheme of the invention, the road environment perception can meet the requirements of wide coverage ...

USB CONNECTOR SOCKET AND USB CONNECTOR

A USB connector socket (200), comprising a socket housing, a tongue in the socket housing, power signal terminals (201, 205) and a plurality of data signal terminals (202, 203, 204) fixed at a horizontal plane on the tongue, and at least one expansion terminal (206, 207) fixed on the tongue. With respect to the power signal terminals (201, 205) and the data signal terminals (202, 203, 204), the expansion terminal (206, 207) is located on a different horizontal plane at the same side of the tongue in the height direction. The USB connector socket (200) is able to expand functions of a USB connector.

METHOD FOR CONFIGURING RECIPE EDITOR OF INTEGRATED CIRCUIT (IC) EQUIPMENTS

A method for configuring a recipe editor of integrated circuit (IC) equipments includes the following steps: the configuration window of the recipe editor is started; the configuration information of the IC equipment recipes is configured in the configuration window and saved as a configuration file; the recipe editor is restarted, and the information in the configuration file is read automatically; and according to the read information in the configuration file, the recipe editor resets the structure of the recipe editor, and generates the recipe edit interface of the recipe editor. The method allows the user to configure the recipe editor effectively without modifying the code, can accomplish the configuration of the table structure of the recipe editor, such as accomplishing the parent-child relation of the parameters and the flexible split of the cells, and also can associate the recipe editor with different configuration files according to different recipe types, so as to accomplish ...

High-entropy perovskite type electromagnetic wave absorbing material and preparation method thereof

The invention belongs to the technical field of electromagnetic wave absorbing materials, and discloses a high-entropy perovskite type electromagnetic wave absorbing material and a preparation method thereof. The invention provides a high-entropy perovskite type electromagnetic wave absorbing material. Compared with a traditional microwave absorbent, the obtained high-entropy perovskite type electromagnetic wave absorbing material has the advantages of being wide in effective absorption frequency band and high in absorption strength under the condition of low thickness. Meanwhile, the invention also provides a preparation method of the high-entropy perovskite type electromagnetic wave absorbing material, the high-entropy perovskite type electromagnetic wave absorbing material is prepared by combining a sol-gel method with a calcining process, and the working procedures of grinding and compression are omitted; water is used as a solvent, highly toxic chemical reagents are not needed, and ...

High-power photovoltaic grid-connected inverter system stability control method and system

The invention provides a stability control method and system for a high-power photovoltaic grid-connected inverter system, and the method comprises the steps: building an inverter-side common-mode current feedback control mathematical model considering delay, and analyzing the influence of control delay on the stability of the system under a low switching frequency; determining a compensation coefficient value of delay compensation according to an analysis result of the influence; and on the basis of the determined compensation coefficient value, the control sampling signal is subjected to delay compensation and then pulse width modulation driving, so that the loading modulation signal is closer to the non-delay ideal value in the time domain. On the premise that the system cost and the control difficulty are not increased, the control time delay can be effectively reduced, the system control bandwidth is improved, and the aim of effectively restraining the common-mode current on the high-power ...

In-station collaborative optimization control method of integrated energy service station and related products

The invention provides an in-station collaborative optimization control method of an integrated energy service station and a related product. Judging whether the energy supply reliability loss of the flexible load and the energy storage capacity recession corresponding to the battery energy storage are in the corresponding preset range or not based on the operation characteristic constraint of various controllable resources in the integrated energy service station and the regulation and control strategy of the flexible load and the battery energy storage; if yes, taking own demands of various controllable resources as constraints, and cooperatively responding to a superior power grid dispatching strategy of the comprehensive energy service station; and generating an in-station collaborative optimization control strategy of the comprehensive energy service station based on the superior power grid scheduling strategy and the dynamic aggregation result of the various controllable resources ...

Temperature fault early warning method, device and system, storage medium and program product

The invention discloses a temperature fault early warning method, device and system, a storage medium and a program product. The method comprises the following steps: acquiring irradiation prediction data of photovoltaic equipment; inputting the irradiation prediction data into an irradiation temperature model to obtain temperature prediction data; wherein the irradiation temperature model establishes a relation model between temperature data and irradiation data; inputting the temperature prediction data into a fault diagnosis model, performing temperature fault judgment, and calculating temperature fault similarity; wherein the fault diagnosis model establishes a relation model between temperature fault similarity and temperature data; and if the temperature fault similarity is greater than the set value and presents an increasing trend, performing temperature fault early warning. According to the technical scheme provided by the embodiment of the invention, the temperature fault early ...

Glyphosate bulk drug continuous reaction system

According to the glyphosate bulk drug continuous reaction system, a glyphosate mixed acid liquor storage tank is connected with an acidolysis dealcoholization reactor, the acidolysis dealcoholization reactor is provided with a first reaction function section, a second reaction function section, a third reaction function section and a fourth reaction function section from top to bottom, the first reaction function section is a filler section, and the second reaction function section is a filler section. The other adjacent reaction functional sections are separated by partition plates, and the partition plates cannot realize vertical movement of materials. The liquid surface upper layer of the fourth reaction function section is connected with the upper end of the third reaction function section through a gas phase pipeline; the upper layer of the liquid surface of the third reaction functional section is connected with the upper end of the second reaction functional section through a gas-phase ...

Double-sided drilling equipment for PCB (Printed Circuit Board)

The invention discloses double-sided drilling equipment for a PCB (Printed Circuit Board). The double-sided drilling equipment comprises a base, supports are fixedly connected to the four corners of the base, and sliding rails A are fixedly connected to the supports; vertical shafts are connected to the sliding rails A in a sliding mode, and a sliding rail B is fixedly connected between the two vertical shafts. An upper clamping unit and a lower clamping unit are connected to the sliding rail B in a sliding mode. The upper clamping unit and the lower clamping unit are used for synchronously driving the clamping plate A and the clamping plate B to move towards the PCB body, so that a to-be-punched area of the PCB body can be clamped, the to-be-punched area of the PCB body is kept relatively stable, when the motor rotates and drives a drill bit to make contact with the PCB body, the PCB body cannot move up and down, and the drilling efficiency is improved. Compared with the prior art, the ...

On-orbit calibration method and system for antenna phase center of microwave ranging system

The invention discloses an on-orbit calibration method and system for a phase center of an antenna of a microwave ranging system, and relates to the technical field of microwave measurement, and the method comprises the steps: determining a maneuvering angle of a primary satellite in a single direction according to a maneuvering period, a maneuvering initial offset angle and a maneuvering angle amplitude of a satellite; constructing an observation equation between the two satellites, and carrying out differential processing on the observation equation; according to the observation equation after differential processing, obtaining an estimation state of a main satellite phase center under a satellite centroid system at the current moment; and calibrating the estimation state of the phase center of the main satellite under the satellite centroid system at the current moment by using the maneuvering angle of the satellite in the single direction at the current moment. The influence of satellite ...

Question and answer method and device, equipment and storage medium

The embodiment of the invention provides a question and answer method and device, equipment and a storage medium. The question and answer method comprises the steps that in response to detection of a question and answer initiating operation, image data and voice data are captured through equipment of a user, and the voice data indicate intentions related to question asking; determining an answer corresponding to the question from the image data according to the intention; and outputting the answer at least in the form of voice. Therefore, the answer interaction corresponding to the image data and the voice data can be conveniently and quickly realized, and the accuracy and convenience of acquiring the information in the external environment by the user can be improved.

Belt feeder anti -inversion arresting gear

... 本实用新型公开了种皮带机防逆转制动装置，包括左、右钢架，左、右钢架上分别设置有个带有制动杆的制动气缸，两个制动杆相互平行，两个制动杆前端连接有制动闸，制动闸与换向辊筒的回转表面相对应，还包括个与皮带机控制开关连通的两位五通阀，两位五通阀的出气口和回气口分别连接在两个制动气缸的进气管串联通道和出气管串联通道上。其整体结构安装简单、使用方便，不会对现有皮带机结构产生任何影响，具有制动力矩大，动作准确、可靠，反应快捷、成本低廉的优点，适合与现有各类型皮带机配合使用。 ...

ARCHITECTURE OF REMOTE TERMINAL

The embodiment of the invention provides a system structure of a remote terminal, and belongs to the technical field of aviation airborne computer system structure design. Comprising a high-speed fault-tolerant bus end system, a high-speed control bus node protocol layer, terminal processing, a secondary power supply serving as a power supply, interlocking control logic, a multi-stage switch and a bus isolation module, a control instruction needing to be executed can be received through a control information network, a local monitoring function is provided for controlled equipment, state data information of far-end equipment and the controlled equipment is transmitted to a main control management computer through the control information network, and the state data information of the far-end equipment and the controlled equipment is transmitted to the main control management computer through a data information network. And meanwhile, as a gateway node, interconnection communication between ...

Disturbance signal detection method and device, electronic equipment and storage medium

The invention discloses a disturbance signal detection method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring an electric energy signal of a to-be-detected distributed power supply; performing modal decomposition on the electric energy signal to obtain a low-frequency component and a high-frequency component of the electric energy signal; performing modal decomposition on the high-frequency component to obtain a plurality of unit high-frequency components, and determining the high-frequency component and the low-frequency component of each unit as each modal component; a perturbation signal is detected in each modal component. According to the scheme, the accuracy of disturbance signal detection is improved.

Data processing method, data structure generation method and query method

According to the data processing method provided by the invention, a plurality of nodes are set, the plurality of nodes are provided with hierarchies and are divided into root nodes, branch nodes and leaf nodes, and a two-dimensional spatial point index tree structure is formed; node information is stored in all or part of the plurality of nodes; the node information comprises information of an area bounding box corresponding to the node and a list, and the list stores the number of basic primitives, serial numbers of the basic primitives, information of layers to which the basic primitives belong and information of adjacent layers. The invention further provides a method for generating the data structure, files of the data structure of the data processing method can be generated, and the method has corresponding advantages. The query method is used for checking the connection relation between the basic primitives in the layout file, the data structure obtained based on the data structure ...

Deep impurity removal and recovery method for graphite negative electrode waste of waste lithium battery

The invention provides a deep impurity removal and recovery method for graphite negative electrode waste of a waste lithium battery, which comprises the following steps: carrying out heat treatment on the graphite negative electrode waste to oxidize metal impurities in the graphite negative electrode waste, and cooling; carrying out acid leaching treatment on the graphite negative electrode waste material subjected to heat treatment, stirring for a certain time, carrying out suction filtration separation, washing to be neutral, and drying for 2-15 hours to obtain impurity-removed graphite I; carrying out low-concentration acid leaching treatment on the impurity-removed graphite I to further remove impurities, and carrying out suction filtration separation to obtain impurity-removed graphite II; and after fully dispersing the impurity-removed graphite II, carrying out electrochemical treatment for 0.1-24 hours under the voltage of 0.1-30V, and washing and drying to obtain the high-purity ...

Prepolymerization catalyst as well as preparation method and application thereof

The invention discloses a prepolymerization catalyst as well as a preparation method and application thereof. The preparation method of the prepolymerization catalyst comprises the following steps: screening a carrier for preparing the catalyst, carrying out contact reaction on the screened carrier, a titanium compound and an electron donor compound in the presence of an inert diluent, filtering, and washing the obtained solid with low-boiling-point alkane B to obtain a first mixture; mixing the first mixture with white oil C to obtain a second mixture; removing the low-boiling-point alkane B in the second mixture in vacuum to obtain a slurry catalyst of the solid catalyst component A in the white oil C; and mixing the slurry catalyst with a hydrocarbon compound D, an aluminum alkyl compound E and an optional silane compound F, and carrying out a prepolymerization reaction with an olefin monomer G. The prepolymerization catalyst provided by the invention can be directly used for olefin ...

BOGIE WHEELSET RADIAL MECHANISM WITH STRUCTURE OF ADJUSTABLE RIGIDITY

Provided is a bogie wheelset radial mechanism with a structure which is of adjustable rigidity. The mechanism is composed of front and rear secondary frames (21) which are pin-connected via two connecting rods (22) arranged in a crosswise manner. The connecting rods (22) are pin-connected to the secondary frames (21) via round pins (24). Joints between the round pins (24) and the connecting rods (22) and/or joints between the round pins and the secondary frames (21) are provided with replaceable elastic materials. The joints between the round pins (24) and the connecting rods (22) and/or the joints between the round pins and the secondary frames (21) are provided with rings (23) made of the replaceable elastic materials. End portions of the connecting rods (22) are embedded into mounting grooves (25) located in the secondary frames (21) and are pin-connected to same via the round pins (24). The end portions of the connecting rods (22) are located on an upper mounting plane (31) or a lower ...

Novel massage undershirt

... 本实用新型公开了一种新型按摩背心，属于医学理疗的技术领域。其技术方案为：一种新型按摩背心，包括相互连接的前半部和后半部。本实用新型的有益效果为：本实用新型体积小、实用性强，能在家中对身体进行按摩，无需去医院治疗，本设置将按摩装置设置在背心内，按摩装置综合了中医推拿中“开璇玑”、“推膻中”和“推、擦膀胱经”的部分操作方式，能起到化痰止咳、疏经通络、调整脏腑功能的功效；采用本实用新型，开璇玑、推膻中的部分操作方式和推、擦背部两侧的膀胱经等推拿手法可以同时进行，提高了工作效率，降低了中医推拿的劳动强度。 ...

Rotor blade, rotor, hovercar and preparation method of rotor blade

The invention relates to a rotor blade, a rotor, a hovercar and a preparation method of the rotor blade. The rotor blade comprises a main beam structure, a trailing edge supporting structure and a skin layer, the main beam structure comprises a beam body and a leading edge supporting structure, the beam body extends from a blade root to a blade tip, the periphery of the leading edge supporting structure is coated with the beam body through multiple layers of first high-modulus composite materials, and a straight web and a bent edge strip are formed; the thickness of the web is smaller than that of the edge strip; the trailing edge supporting structure extends from the propeller root to the propeller tip and is arranged on one side of the main beam structure; the skin layer is made of multiple layers of second high-modulus composite materials or multiple layers of first high-strength composite materials and wraps the peripheries of the rear edge supporting structure and the main beam structure ...

Prefabricated assembly type friction anchoring plate composite retaining wall structure

The invention discloses a prefabricated assembly type friction anchoring plate composite retaining wall structure. The structure comprises prefabricated wall panels, pull rods, friction plates, anchoring plates, water-permeable geomaterials, longitudinal positioning bolts and transverse connecting plates. Aiming at the situation that the pulling resistance of a traditional anchoring plate retaining wall is low, the friction plate and the anchoring plate are used at the anchoring section of the pull rod at the same time, so that the friction plate and the anchoring plate jointly provide high pulling resistance, and the defects that the pulling resistance of the traditional anchoring plate retaining wall is insufficient and the like are overcome. In addition, each retaining wall component in a traditional anchoring plate retaining wall needs to be fixed through a plurality of pull rods, and each retaining wall only needs to be fixed through one pull rod due to the fact that the pull rods ...

Special construction process for dismantling old bridge in high-speed construction

The invention relates to the technical field of old bridge demolition, and discloses a special construction process for high-speed construction old bridge demolition, which comprises the following steps: S1, building a bridge and environment model through calculation, and designing a bridge demolition scheme; s2, according to a bridge demolition scheme, preparing equipment and environment pretreatment required by the scheme; s3, according to the bridge demolition scheme, a demolition platform is built, and the whole bridge is transported away from the site; and S4, after the field environment is cleaned, traffic is recovered, a model is established according to the size provided in the scheme, the feasibility of the scheme can be visually seen through the model, then the scheme is demonstrated through the scheme and modeling, the scheme is carried out under the condition of excluding special conditions, and the scheme is ensured to be accurate. In addition to a dismantling scheme, the scheme ...

Smart watch picking system and method

The invention relates to the field of picking, in particular to a smart watch picking system and method.The method comprises the following steps that firstly, a wrist is placed between two sensors, and the two sensors are used for sensing the position of the wrist; 2, the four picking mechanisms cooperate with one another to move, and a watchband of the smart watch is unfastened; 3, two picking side plates I move close to each other, four insertion blocks are inserted between the smart watch and the wrist, and the smart watch is taken down; and step 4, storing the taken-down smart watch on one of the plurality of placing rings. The intelligent watch can be quickly picked from the hand and stored, and the intelligent watches at different storage positions can be taken out according to different use requirements.

Foldable satellite antenna structure

The invention relates to the technical field of satellite antennas, and discloses a foldable satellite antenna structure which is characterized in that a piston seat is arranged in a storage cylinder and can move in the axial direction of the storage cylinder, a driving device is connected with the piston seat and drives the piston seat to move in the axial direction of the storage cylinder, and a feed source horn is arranged at the top of the piston seat. The auxiliary reflecting mirror platform is slidably arranged on the feed source horn in a sleeving mode, the auxiliary reflecting mirror is located above the feed source horn and connected with the auxiliary reflecting mirror platform through the connecting support, the top end of the spring is connected with the bottom of the auxiliary reflecting mirror platform, the bottom end of the spring is connected with the top of the piston seat, and the multiple folding and unfolding ribs are arranged. The folding and unfolding rib comprises ...

External electron donor and application thereof, catalyst system for olefin polymerization and olefin polymerization method

The invention discloses an external electron donor and application thereof, a catalyst system for olefin polymerization and an olefin polymerization method. The external electron donor is an alkylamine polyoxyethylene ether compound as shown in a formula (I), is applied to a Ziegler-Natta catalyst system for olefin CH2 = CHR polymerization, has the characteristic of high-temperature self-inactivation, and also has the characteristics of high activity, good hydrogen regulation sensitivity and high orientation capability.

SIGNAL EXTRACTION DEVICE AND METHOD FOR ULTRAHIGH-FREQUENCY PARTIAL DISCHARGE SENSOR IMPLANTED IN SULFUR HEXAFLUORIDE CURRENT TRANSFORMER

A signal extraction device and method for an ultrahigh-frequency partial discharge sensor implanted in a sulfur hexafluoride current transformer. The signal extraction device comprises a connector installation base (15) welded on a transformer base near a through-hole; and a connector (16) fixedly installed on the connector installation base. The connector is composed of a casing, a bush (6), a glass insulator (3) and an internal conductor (1), and the bush, the glass insulator and the internal conductor are formed integrally by cooling adhered glass after sintering and fusing. The casing is composed of an upper casing body (8) and a lower casing body (7) connected through screw threads, and the bush is welded on the inner wall of the upper casing body or the lower casing body. The signal extraction device and method can extract an ultrahigh-frequency signal outputted by the partial discharge sensor arranged inside the sulfur hexafluoride current transformer out of the transformer, and ...

HYDRAULIC STEEL JACKING PLATFORM CAPABLE OF ACHIEVING INTEGRAL AND LOCAL JACKING OF EXTERNAL FORMWORK AND STEEL PLATFORM

A hydraulic steel jacking platform capable of achieving integral and local jacking of an external formwork and steel platform, comprising a climbing system (17) in a stereoscopic structure formed by sequential enclosure of a plurality of climbing form units (21), wherein a jacking system (16) formed by a plurality of abreast jacking units (20) is arranged in the stereoscopic structure; the climbing system (17) and the jacking system (16) are both capable of moving vertically; and a space for pouring of a concrete wall is formed between the climbing system (17) and the jacking system (16). The described steel platform has the advantages that connection modes are set as required by means of designing external climbing and internal jacking, which guarantees construction safety, shortens the distance from the top surface of the platform to a main working plane, improves the operating efficiency of operators going up and down, and increases the operating space, so that convenience in mounting ...

A VAPOR DEPOSITION APPARATUS

A vapor deposition apparatus comprises a reaction apparatus (1) having a reaction chamber; a first vent pipe (5) connecting to the reaction chamber and used for introducing the process gas for deposition into the reaction chamber; a gas ionization apparatus (3) connecting to the reaction apparatus (1) and used for ionizing cleaning gas; and a second vent pipe (6) connecting to the gas ionization apparatus (3) and used for introducing the cleaning gas for cleaning the reaction chamber into the gas ionization apparatus (3).

Prevent fingerprint sensing chip package structure of static

... 本实用新型公开了种防静电的指纹传感芯片封装结构，所述防静电的指纹传感芯片封装结构，包括基板、指纹传感芯片、保护盖板，所述基板与所述指纹传感芯片通过键合线进行互连，所述保护盖板侧面设有金属环，所述金属环与所述基板之间设有导通柱，所述基板与所述指纹传感芯片之间以及所述指纹传感芯片与所述保护盖板之间通过粘接胶粘接，所述基板上表面、指纹传感芯片、键合线、金属环、导通柱及保护盖板被塑封体包封。本实用新型的指纹传感芯片封装结构中在保护盖板侧面增设金属环，金属环与导电柱相接，导通指纹识别过程中的静电，有效的防止了指纹芯片被静电击穿的风险，提高了芯片寿命。 ...

Control method and device for improving frequency characteristic of large inertia rudder system

The invention relates to a control method and device for improving the frequency characteristic of a large-inertia rudder system, belongs to the technical field of aircraft control, and solves the problem that the rotational inertia of a motor is matched with the rotational inertia of a rudder surface load through a large motor or increasing the reduction ratio in the prior art. The requirements of a high-speed aircraft cannot be met due to the increase of the size and the weight of the rudder system. The method comprises the following steps: judging whether the rudder system quickly moves or not; when the rudder system moves quickly, determining whether the rudder system is in a normal tracking state or a lagged tracking state through trajectory prediction; when the rudder system is in the lag tracking state, the lag error amount is predicted; and dynamically enhancing the control parameters to improve the bandwidth of the rudder system according to the trajectory prediction and the hysteresis ...

Mybatis-based data processing method and device, computer equipment and storage medium

The invention relates to the field of data processing, and discloses a Mybatis-based data processing method and device, computer equipment and a storage medium, the method comprises the following steps: when an interceptor intercepts database operation data in a database session for analysis operation, judging whether the intercepted database operation data is a data packet in a target format, and if yes, sending the data packet to a server; if yes, cloning the database operation data to obtain cloned data; performing the analysis operation on the clone data to obtain an analysis result; and adding the analysis result into the database operation data, and performing corresponding data processing on the database operation data according to the analysis result. The method can be compatible with Mybatis and other database processing plug-ins, adaptively expands functions according to the characteristics of the Mybatis plug-ins, avoids the defect that Mybatis plus parameters are closed, and ...

Over-current protection chip resistor with self-recovery function

The invention discloses an over-current protection chip resistor element with a self-recovery function, which comprises a terminal and a chip resistor, the chip resistor is a chip resistor layer, a PTC core layer with the self-recovery over-current protection function and the chip resistor layer are integrated into a whole, and the chip resistor layer and the polymer PTC core layer are electrically contacted to realize a series structure; the resistance of the chip resistance layer is greater than that of the polymer PTC core layer; and the chip resistor layer and the polymer PTC core layer are connected in series with an external circuit through a connecting terminal. Compared with a traditional protection scheme, the chip resistor has the advantages that (1) the chip resistor has an over-current protection function by the element; (2) the resistance precision of the element is far higher than that of a polymer PTC element and can be close to that of a chip resistor; (3) the element is ...

PUSH-TO-TALK METHOD AND DEVICE FOR MOBILE PHONE

Disclosed is a push-to-talk method for a mobile phone. Firstly provided is a single key value forming method, comprising: (1) adding 1 to the key value when a key is just closed; (2) fixing the key value when the continuous closing time of the key is greater than t1 to form a closing key value; (3) fixing the key value when the key is loosened within the time t1 and the continuous loosening time is greater than t2 to form a loosening key value; and (4) returning to (1) when the key is loosened within the time t1 and closed within the time t2. The loosening key value can correspond to number keys and letter keys on a traditional keyboard, and the closing key value can correspond to functional keys on the traditional keyboard, so that a key can complete the functions of the whole keyboard by adopting the method. Therefore, the mobile phone can be very small, and particularly a small Bluetooth device wirelessly connected with the mobile phone can not only receive a call, but also make a call ...

OPTICAL IMAGING SYSTEM

An optical imaging system comprises, in sequence from an object side to an image side along an optical axis, a first lens (E1), a second lens (E2), a third lens (E3), and a fourth lens (E4). The first lens (E1) has negative optical power, and has a convex object-side surface (S1) and a concave image-side surface (S2). The second lens (E2) has optical power. The third lens (E3) has optical power. The fourth lens (E4) has positive optical power, and has a convex object-side surface (S7) and a concave image-side surface (S8). A wavelength λ of a chief ray of the optical imaging system and a tangent value tanθ of a half field of view of the optical imaging system satisfy 0.5 μm < λ*tanθ < 1.0 μm. A distance TTL on an optical axis from the object-side surface (S1) of the first lens (E1) to an imaging surface (S11) of the optical imaging system, and half of a diagonal length, ImgH, of an effective pixel region on the imaging surface (S11) of the optical imaging system satisfy 1.5 < TTL/ImgH < ...

HEXAHYDROPYRROLO[3,4-b]PYRROLE DERIVATIVES, PREPARATION METHODS AND PHARMACEUTICAL USES THEREOF

Hexahydropyrrolo[3,4-b]pyrrole derivatives, preparation methods and pharmaceutical uses thereof are provided. Specifically, dipeptidyl peptidase IV inhibitors presented by following formula (I) are provided. In the formula, each group is defined as in the description. Such compounds can be used for treating or preventing the diseases associated with dipeptidyl peptidase IV, such as diabetes, obesity and hyperlipemia. The compounds presented by formula (I) and pharmaceutically acceptable salts thereof, a method for preparing a pharmaceutical composition thereof and their uses in the manufacture of medicaments for treating or preventing the diseases associated with dipeptidyl peptidase IV are provided.

COMMUNICATION EQUIPMENT, DEVICE AND SOFTWARE VERSION UPGRADE METHOD UTILIZED IN COMMUNICATION EQUIPMENT

Provided are a communication equipment, device, and software version upgrade method utilized in a communication equipment. The method comprises: receiving, by a main control single board in the communication equipment, and in a software version upgrade process, an upgrade packet for upgrading a software version of the main control single board; determining whether the main control single board is compatible with the upgrade packet, and obtaining a determination result; when the determination result indicates that the main control single board is compatible with the upgrade packet, upgrading, via the upgrade packet, the main control single board; and when the determination result indicates that the main control single board is incompatible with the upgrade packet, discarding the upgrade packet. The present invention addresses the problem in the related art of how to prevent from interrupting operational services when a software version is incompatible during a software upgrade.

Photovoltaic module dust deposition monitoring method and device, photovoltaic power station and electronic equipment

The invention discloses a photovoltaic module dust deposition monitoring method and device, a photovoltaic power station and electronic equipment. The method comprises the steps that candidate photovoltaic strings are determined according to current data of the photovoltaic strings, and the current data are used for representing the situation that currents output by the photovoltaic strings change along with time; according to the dust deposition source type corresponding to the power station where the candidate photovoltaic string is located, a target association relationship corresponding to the dust deposition source type is determined, and the target association relationship is used for representing the association relationship between the current data of the photovoltaic string and the weather data; and under the condition that the incidence relation between the current data of the candidate photovoltaic string and the historical weather data in the statistical period of the current ...

Equipment mounting bracket for frame type glass curtain wall

The invention relates to the technical field of mounting brackets, in particular to an equipment mounting bracket for a frame type glass curtain wall, which comprises a telescopic mounting mechanism, the telescopic mounting mechanism comprises an upper mounting rod and a lower mounting rod, and an advertisement screen is movably mounted on the front surface of the upper mounting rod; the back face of the upper mounting rod and the back face of the lower mounting rod are each provided with an adsorption fixing mechanism, the upper end of the upper mounting rod is provided with a shielding protection mechanism used for preventing the advertisement screen from being damaged, an electricity storage induction mechanism is arranged in the shielding protection mechanism, and the upper mounting rod and the lower mounting rod are each provided with an angle adjusting mechanism. By arranging the adsorption fixing mechanism, the upper mounting rod and the lower mounting rod can be quickly fixed to ...

Flexible constraint particle damping damper

The invention discloses a flexible constraint particle damping damper which comprises a wire clamp, a steel strand, two hammerheads and a plurality of partition plates, the middle of the steel strand is connected with the wire clamp, the two hammerheads are arranged at the two ends of the steel strand respectively, each hammerhead is of a hollow pipe body structure, the two ends of each hammerhead are provided with hammerhead end covers respectively, and the partition plates are arranged on the two ends of the hammerhead. The end part of the steel strand penetrates through the inside of the hammer head and then is connected with the hammer head end cover on one side far away from the wire clamp; the multiple partition plates are perpendicularly fixed to the inner wall of the hammer head and arranged around the hammer head, the space between every two adjacent partition plates and the inner wall of the hammer head is divided into a fan-shaped cavity, and a flexible particle damping unit ...

Device for efficiently producing Na131I solution

The invention discloses a device for efficiently producing a Na131I solution. The device comprises a tubular furnace, a distiller, a purifier, a cold water bath, a gas storage tank, a peristaltic pump, a sucking pump and a rack. The tubular furnace is horizontally arranged on a table top of the rack, one part of the distiller is arranged in the tubular furnace, the other part of the distiller is arranged below the table top, the sucking pump is fixedly arranged below the table top, the purifier, the cold water bath and the gas storage tank are respectively arranged on a bottom plate of the rack on the side surface of the distiller, and the peristaltic pump is fixedly arranged on one side of the rack. The distiller is respectively connected with the purifier, the cold water bath, the gas storage tank, the sucking pump and the peristaltic pump through pipelines, and the sucking pump is also connected with the purifier through a pipeline. According to the production device, compressed air ...

METHOD AND APPARATUS FOR PROCESSING TOKEN APPLICATION, COMPUTER STORAGE MEDIUM

Disclosed in the present invention are a method and an apparatus for processing a token application, the method including: when receiving an application command from a first stream queue, determining whether first identifier information of the first stream queue is included in a transmission sequence; if the first identifier information is included in the transmission sequence, masking the operation, triggered by the application command, of adding the first identifier information into the transmission sequence, wherein the transmission sequence is used for recording the identifier information of each stream queue which is to transmit the token application, and one piece of the identifier information in the transmission sequence indicates one token application to be transmitted in the stream queue corresponding to the identifier information. Also disclosed in the embodiment of the present invention is computer storage medium.

RSU-based vehicle high-precision positioning method

The invention provides an RSU-based vehicle high-precision positioning method, and belongs to the field of intelligent network connection automobiles and intelligent traffic. According to the invention, the RSU is used as a differential base station, a differential signal is sent to the vehicle-mounted terminal in a communication range, a high-precision positioning differential signal in an area is obtained at the vehicle-mounted terminal part, and the signal is combined with a local high-precision positioning module signal by adopting fusion of various algorithms, so that the high-precision positioning information of the vehicle is calculated. Meanwhile, an inertial navigation module high-precision positioning interpolation and error compensation method is designed to be combined with a high-precision positioning method, so that the problem that positioning is inaccurate when satellite positioning signals are shielded is solved, and support is provided for vehicle auxiliary safety and ...

Construction method for slope water and soil conservation

The invention discloses a construction method for slope water and soil conservation, relates to the field of slope maintenance, and aims to solve the problems that according to a traditional slope maintenance method, a slope is simply covered with a covering net, effective protection measures cannot be selected according to the property of the slope, a gap exists between the slope and the covering net due to unevenness of the slope, and the slope is damaged. In order to solve the problems of serious water and soil loss, high maintenance cost and the like caused by the fact that soil of a slope body is washed by rainwater during raining, the following scheme is provided, the method comprises the following steps that S100, land leveling is carried out on the slope body according to a leveling surface, the height difference value of the land on the same vertical surface and the leveling surface does not exceed a preset threshold value, and the step S200 is carried out after leveling is completed ...

METHOD FOR CALCULATING SUPPORT OF CANDIDATE ITEM SET ON BASIS OF GRAPHIC STRUCTURE DATA, AND APPLICATION THEREOF

Provided is a method for calculating the support of a candidate item set on the basis of graphic structure data, a frequent item set determination method using the same, and a prefix tree-based frequent item set determination method. The method for calculating the support of a candidate item set on the basis of graphic structure data comprises: converting data within a database into graphic structure data (S101); obtaining a candidate item set from the database (S102); obtaining communicating components corresponding to the candidate item set from the graphic structure data (S103); determining the number of points contained within the communicating components (S104); and determining the number of points as the support of the candidate item set (S105). A frequent item set determination method using the provided method for calculating the support of a candidate item set on the basis of graphic structure data may prevent too much time from being spent on scanning a database so as to obtain ...

Synchronous band conveyer

... 本实用新型公开了种同步皮带输送机，包括机架和绕在机架上的皮带。机架的两端分别设有从动链轮组和驱动链轮组。机架靠近从动链轮组的端设有从动轮调节装置。从动链轮组的两侧和驱动链轮组的两侧设有与之相匹配的链条。链条上设有支撑皮带的托板，托板的下面设有多个滚筒组。机架的中间设有支撑起多个滚筒组的滚筒轨道。本实用新型结构简单、使用方便、驱动灵敏、摩擦力小、同步效果好、经久耐用、成本低、能耗小、维修方便，适合于恶劣环境和重型诉讼环境下工作。 ...

Electromagnetic heating hospital ventilation system disinfection and sterilization device and use method thereof

The invention discloses an electromagnetic heating hospital ventilation system disinfection and sterilization device which comprises a machine table, a machine cabinet is arranged at the center of the bottom end of the machine table, a machine box is arranged at the top end of the machine table through a support, a machine cover is installed at the top end of the machine box, an edge frame is arranged at the edge of the bottom end of the machine cover, and the bottom end of the edge frame extends into the machine box. An exhaust fan is installed at the top end of the machine table on one side of the machine box, one end of the exhaust fan extends into the machine box through a guide pipe, an air suction cover is arranged at the bottom end of the machine table on the side, away from the machine box, of the exhaust fan through a support, and the inner wall of the air suction cover communicates with one end of the exhaust fan through a guide pipe. According to the electromagnetic heating hospital ...

Olefin polymerization catalyst solid component, preparation method thereof, catalyst system and application

The invention discloses an olefin polymerization catalyst solid component, a preparation method thereof, a catalyst system and application. The preparation method comprises the following steps: in the presence of a first dispersant, carrying out a first contact reaction on alkoxy magnesium, a first alcohol compound and tetravalent titanium halide, then carrying out a second contact reaction with a second alcohol compound, in the presence of an auxiliary precipitation agent and a second dispersant, carrying out a third contact reaction on a solution and a first titanium compound, and thus obtaining the magnesium alkoxide. Heating to separate out solid precipitate, so as to obtain a mixture containing the solid precipitate, optionally carrying out fourth contact reaction on the mixture and an internal electron donor compound, separating to obtain a solid product, and carrying out fifth contact reaction on the solid product and a second titanium compound. According to the preparation method ...

Method for inhibiting surface cracking of super austenitic stainless steel continuous casting billet

The invention discloses a method for inhibiting surface cracking of a super austenitic stainless steel continuous casting billet, which comprises the following steps of: feeding a steel strip to increase the reduction amplitude of the temperature of the core part of the super austenitic stainless steel continuous casting billet; the temperature reduction amplitude of a blank shell of the super austenitic stainless steel continuous casting blank is increased by increasing the cooling strength of a crystallizer and a secondary cooling area, so that the cracking tendency of the surface of the super austenitic stainless steel continuous casting blank is reduced, and then the surface quality of the super austenitic stainless steel continuous casting blank is improved. According to the method for accelerating reduction of the temperature of the shell and the core of the continuous casting billet, the surface quality of the continuous casting billet is improved while the internal quality of the ...

Paperboard uniform gluer applied to advertisement manufacturing

The invention relates to the technical field of advertisement manufacturing, and discloses a paperboard uniform gluing device applied to advertisement manufacturing, which comprises a gluing table, a conveying mechanism is mounted at the top of the gluing table, the conveying mechanism comprises a conveying frame, a supporting mechanism is mounted on the left side of the surface of the conveying frame, and the supporting mechanism comprises a fixing frame. Vertical grooves are formed in the front side and the back side of an inner cavity of the fixing frame. According to the paperboard uniform gluing device applied to advertisement manufacturing, baffles are inserted into inserting grooves, at the moment, the baffles make contact with the surface of the gluing roller body, then fixing inserting rods are driven by baffle discs to penetrate through positioning grooves and positioning holes till the baffle discs make contact with the surfaces of fixing plates, the positions of the baffles ...

Anti-seismic time-history analysis wave selection verification device suitable for bridge structure

The invention relates to the technical field of anti-seismic time-history analysis, in particular to a wave selection verification device suitable for anti-seismic time-history analysis of a bridge structure, which comprises a plurality of bearing platforms, the bottom ends of the bearing platforms are fixedly connected with vibration surfaces of vibration platforms, the vibration platforms are fixed on the ground, the top ends of the bearing platforms are spherically hinged with pier columns, and the top ends of the pier columns are fixedly connected with cover beams. A box girder is installed between the top ends of every two adjacent cover beams, and every two adjacent box girders are fixedly connected. A self-resetting structure is arranged between the bearing platform and the pier column, and a damping mechanism is arranged between the cover beam and the box beam. According to the device, the bearing platform is hinged to the pier column, and the self-resetting structure is arranged ...

SMD PTC overcurrent protection element with improved welding performance

The invention relates to a surface-mounted PTC (Positive Temperature Coefficient) overcurrent protection element capable of improving welding performance, in particular to a surface-mounted high-molecular PTC overcurrent protection element which takes a conductive high-molecular polymer composite material as a main material, and an element chip layer adopts a two-angle conduction process; the pad segmentation design is adopted, so that the unevenness of the welded product can be effectively prevented; the etching area of the PTC chip layer with the protection effect is reduced, so that the element resistance can be effectively reduced; the four side faces of the element are wrapped by coating layers.

Inclination angle detection device of power transmission line tower in extreme weather

An inclination angle detection device for a power transmission line tower in extreme weather relates to the technical field of power transmission line safety and is used for realizing real-time detection of the inclination angle of the tower. Comprising an installation assembly and a detection assembly, the installation assembly comprises a detection assembly installation plate and a tower end installation plate which are fixedly connected, the detection assembly is fixed to the detection assembly installation plate, the tower end installation plate is fixedly connected with a tower, and the detection assembly comprises a shell, a detection sliding block and a coil; the bottom of the detection sliding block is provided with a detection rod, the bottom of the detection rod is provided with a conductive contact, the bottom of the shell is provided with a coil located in a plane, and the detection sliding block slides along the supporting plate for a certain distance and then makes contact ...

Wet bacterial cellulose dressing and preparation method thereof

The preparation method comprises the following steps: heating Vaseline, paraffin and an emulsifier, carrying out ultrasonic dissolution to obtain an oil phase, carrying out mixing dissolution, emulsification and homogenization on the oil phase and a heated water-phase humectant, carrying out crosslinking with a bacterial cellulose membrane by using a photocuring characteristic, and carrying out crosslinking with an anti-sticking agent and a water-absorbing component water-phase humectant to obtain the wet bacterial cellulose dressing. The loss of the functional components in clinical use is prevented. The wet bacterial cellulose dressing provided by the invention is soft in texture and good in compliance. After the aqueous humectant is emulsified and homogenized, the seepage absorption capability of the bacterial cellulose dressing can be further improved, and wound impregnation is prevented. Vaseline and an anti-sticking agent are added, so that the dressing can be prevented from being ...

Data transmission method and device based on industrial internet and medium

The embodiment of the invention discloses a data transmission method and device based on the industrial internet and a medium. Generating a device digital code and a device image identification code of the to-be-detected device based on the device information and the position information of the to-be-detected device; acquiring operation information corresponding to the to-be-detected equipment, and encrypting the operation information to obtain encrypted data; generating an operation information identification code corresponding to the to-be-detected equipment based on the encrypted data and the equipment number; analyzing the operation information identification code through a secondary node to obtain a first reference digital code and reference encrypted data, analyzing an equipment image identification code corresponding to the to-be-detected equipment to obtain a second reference digital code, and combining the first reference digital code with a preset reference digital code through ...

ALARMING METHOD FOR SOFTWARE FAULT OF SEMICONDUCTOR DEVICE

The present invention discloses an alarming method for software fault of semiconductor device, which comprises: implementing the collection to real time data of a field semiconductor device by using a real time data collection monitoring module in a real time data server; implementing the alarm configuration to the said real time data; implementing the configuration of the preset value of alarm to form an alarm monitoring list; implementing an alarm information calculation to the said real time data and data of said alarm monitoring list; establishing an alarm information list and storing the said list to an alarm information buffer and an alarm information database; implementing the procession of the alarm information which is stored in the alarm information buffer to get resume information, sending the said resume information to an alarm control module by a real time alarm information interface and integrating it on an interface; straightly sending the said alarm information in the said ...

METHOD AND SYSTEM FOR REALIZING LINK AUTOMATIC DISCOVERY

A method and a system for realizing link automatic discovery are disclosed in the present invention. The method includes the following steps: a first node receives TRACE information in the link reception direction; the first node transmits the TRACE information to a neighbor node; the neighbor node determines that the received TRACE information matches the TRACE information transmitted by the neighbor node, and then notifies the first node that the discovery is successful. With the present invention, the effect of saving bandwidth and system resources is achieved.

D2D COMMUNICATION RESOURCE MULTIPLEXING SELECTION METHOD, BASE STATION AND TERMINAL

A D2D communication resource multiplexing selection method, comprising: a base station sequentially judging whether interference caused by a D2D user pair completely multiplexing a frequency spectrum resource of a cellular user causes a CQI level of the cellular user to decline, and if the level does not decline, selecting a frequency spectrum resource of the corresponding cellular user for the D2D user pair to perform multiplexing; and if the level declines, sequentially according to corresponding signal-to-interference-and-noise ratio thresholds respectively, calculating transmission power of a D2D user and the cellular user, and selecting a frequency spectrum resource of a cellular user corresponding to a minimum sum of the addition amounts of the transmission power of the D2D user and the cellular user for the D2D user pair so as to perform multiplexing. The method can significantly improve the access probability of a D2D user and the power efficiency of a cellular network and D2D communication ...

STOMA EXCREMENT COLLECTION DEVICE

Disclosed is a stoma excrement collection device, comprising: a stoma connecting pipe fixed inside a stoma; a discharge valve, which is arranged in the stoma connecting pipe and controls the discharge of excrement; a sealing member which seals between the stoma connecting pipe and the abdominal wall; an everting suture arranged between the discharge valve and the sealing member; and a stoma protection component, which wraps the stoma exposed outside the abdominal wall and is connected to the stoma connecting pipe. According to the stoma excrement collection device provided by the present invention, the sealing performance is improved due to the fitting between a second seal ring and the sealing member so as to avoid the leakage of excrement; the discharge of intestinal excrement can be controlled due to the arrangement of the discharge valve, such that a patient with a stoma can regularly discharge excrement; and the leakage of intestinal excrement to the skin surrounding the stoma can ...

Plugging structure of valve hall through-wall hole

The invention relates to a valve hall through-wall hole plugging structure which comprises an abutting mechanism, a supporting mechanism and a heat insulation mechanism, the abutting mechanism comprises a first abutting piece and a second abutting piece, the first abutting piece is provided with a first end and a second end which are opposite to each other, and the second abutting piece is provided with a third end and a fourth end which are opposite to each other; the supporting mechanism comprises a first adjusting piece and a second adjusting piece, the first end is connected with the third end through the first adjusting piece, the second end is connected with the fourth end through the second adjusting piece, and the first adjusting piece and the second adjusting piece can stretch out and draw back so as to drive the first abutting piece and the second abutting piece to be close to or away from each other. The first abutting piece and the second abutting piece are used for abutting ...

Circuit breaker non-contact insulation monitoring method and system based on array space electric field

The invention discloses a circuit breaker non-contact insulation monitoring method and system based on an array space electric field, and the method comprises the steps: constructing a space electric field measurement model of a single monitoring point of a circuit breaker, correcting the measurement result of the space electric field measurement model according to an environment factor, and obtaining a monitoring point array space electric field of the circuit breaker; by adopting a grey correlation theory, acquiring a monitoring point array from the space electric field of the monitoring point array of the circuit breaker, wherein the correlation degree between the monitoring point array and the defect-free space electric field does not exceed a first correlation degree threshold value, and taking the monitoring point array as an optimal monitoring point array; and based on the optimal monitoring point array, when the correlation degree between the measurement result of the space electric ...

Asphalt pavement heating machine with pushing mechanism

The asphalt pavement heating machine comprises an outer shell, a mounting cavity, a continuous pushing mechanism, a heating and melting shell, a heating cavity, a combustion head, a motor I, a conveying screw rod, a melting cavity, a charging hole, a conveying pipe, a fixed hole seat, an adjustable output mechanism, an oil cylinder, a walking motor and wheels, the asphalt melting device is reasonable and simple in structure, low in production cost and convenient to install, the first motor can drive the conveying screw rod to rotate, molten asphalt can be conveyed into the output shell through the conveying pipe through rotation of the conveying screw rod, and then the molten asphalt is output from the interior of the output shell for use; the convenience in use is also improved; a third motor arranged in the device can drive a screw to rotate, the screw rotates to drive a connecting base to move up and down integrally through a sliding block, and therefore the swing amplitude of a connecting ...

Sewage treatment system for ecological toilet

The invention relates to the technical field of environment-friendly toilets, and discloses a sewage treatment system for an ecological toilet, which comprises a toilet room and a treatment room, a vacuum collection system, an anaerobic regulation tank, an anaerobic tank, an aerobic tank, a sedimentation tank, a filter tank, a reclaimed water tank and a clear water tank are arranged in the internal space of the treatment room, each group of compartments is internally provided with a urinal, the urinal is communicated with a sewage pumping pipeline and a flushing pipeline, the filter tank comprises a treatment tank, and the inner side of the treatment tank is provided with an MBR (Membrane Biological Reactor) membrane filter assembly. According to the sewage treatment system for the ecological toilet, the MBR membrane filtration assembly and the flow dividing pipe are arranged in a matched manner, so that the MBR membrane filtration assembly can be scoured by air flow, blockage caused by ...

INTEGRATED FORMWORK SYSTEM FOR SUPER HIGH-RISE BUILDING CONSTRUCTION

An integrated formwork system for super high-rise building construction, comprising a climbing system (17) in a stereoscopic structure formed by enclosure of climbing form units (21), wherein a jacking system (16) formed by jacking units (20) is arranged in the stereoscopic structure; a space for mounting of steel structures and reinforcing bars and pouring of a concrete wall is formed between the climbing system (17) and the jacking system (16); the climbing system (17) and the jacking system (16) are both capable of moving vertically; the climbing form units (21) all correspond to the jacking units (20) close to the side wall and are capable of moving synchronously or separately; the jacking units (20) are provided with a vertical adjusting device (30) and a horizontal adjusting device (32) which are used for positioning position junctions in the vertical direction and the horizontal direction respectively; and each jacking unit (20) is provided therein with a plurality of sets of tensioning ...

Support adjustment time determination method and device and electronic equipment

The invention discloses a bracket adjustment time determination method and device and electronic equipment. The method comprises the following steps: determining the total irradiance of a horizontal plane of each third time period according to weather forecast data of each second time period in a first time period and historical weather data corresponding to the first time period; a first target model is adopted to analyze the horizontal plane total irradiance input of each third time period, and horizontal plane direct irradiance and horizontal plane scattering irradiance of each third time period are obtained; according to the horizontal plane direct irradiance and the horizontal plane scattering irradiance of each third time period, determining the total radiation quantity of the inclined plane of each third time period; and determining a target time period according to the total radiation quantity of the inclined plane. The technical problem that the power generation efficiency of a ...

High-temperature gas auxiliary heating type iodine-131 steam treatment device

The invention discloses a high-temperature gas auxiliary heating type iodine-131 steam treatment device, and the high-temperature gas auxiliary heating type iodine-131 steam treatment device comprises an absorption bottle, a horizontal tube furnace, a rack and a lifting mechanism. The horizontal tube furnace is horizontally and fixedly arranged on a table top of the rack, the lifting mechanism is fixedly arranged under the table top under the horizontal tube furnace, the absorption bottle is placed on an objective table of the lifting mechanism, and the absorption bottle and the horizontal tube furnace are in non-fixed connection in a glass ground opening butt joint mode. The iodine-131 steam treatment device can efficiently absorb radioactive iodine-131 in high-temperature carrier gas, deposition or retention of the iodine-131 in a conveying pipeline is greatly reduced, the production efficiency is improved, heat of the furnace tube is directly utilized, an additional heat supply device ...

Catalyst component for olefin polymerization and application thereof

The invention discloses a solution for preparing a solid catalyst component, an olefin catalyst solid component and a catalyst. A solution for preparing the solid catalyst component comprises magnesium, titanium, halogen, a precipitation aid and a solvent, wherein the precipitation aid comprises a diol ester compound and a carboxylic acid alkyl ester compound. According to the invention, the precipitation aid prepared by compounding the polyol ester compound with a special structure and the carboxylic acid alkyl ester compound is used for replacing the traditional precipitation aid phthalic anhydride, and the prepared catalyst component is excellent in hydrogen regulation sensitivity, uniform in particle size distribution and high in polymer stacking density.

Thermal management system of power domain laminated battery

The invention discloses a thermal management system of a power domain laminated battery, and belongs to the technical field of thermal management of electric machinery. Comprising an air conditioner module, a power domain module, a refrigeration module and a laminated battery box module, the air conditioner module is used for cab refrigeration, the power domain module is used for power domain refrigeration, the laminated battery box module is used for laminated battery box refrigeration, and the refrigeration module is used for controlling refrigeration of the air conditioner module, the power domain module and the laminated battery box module and providing a cold source. According to the heat management system, cold source supply can be conducted on the air conditioner module, the power domain module and the laminated battery box module through the refrigeration module, an independent cooling system does not need to be arranged, the cost is reduced, and the requirement for the refrigerating ...

Heterocyclic amide compound, preparation method thereof and crop medicament

The invention discloses a heterocyclic amide compound, a preparation method thereof and a crop medicament. The heterocyclic amide compound simultaneously has groups such as phenyl, alkyl substituent and nitrogen-containing heterocyclic ring. The organic small molecule compound with excellent biological activity is used for preventing and treating crop diseases, insect pests and weeds, the grain yield is increased, and the grain safety is guaranteed.

Laminated battery box structure for engineering machinery

The invention discloses a laminated battery box body structure for engineering machinery, and belongs to the technical field of power battery box bodies. Comprising a first box body, a second box body and a third box body which are sequentially connected from top to bottom, each of the first box body, the second box body and the third box body is formed by surrounding of a first side plate, a second side plate, a third side plate and a fourth side plate, the edges of the first side plate, the second side plate, the third side plate and the fourth side plate extend outwards to form bent edges, and the bent edges in contact in the first box body, the second box body and the third box body are fixedly connected; the first side plate is recessed inwards to form a cavity, and a heating plug-in, a water pipe fixing plate, a straight-head single-core transition plug-in, a 90-degree elbow single-core transition plug-in, a low-pressure plug-in and a cable gland are arranged in the cavity. Wiring ...

Microscope objective lens switching device and microscope

The invention provides a microscope objective lens switching device and a microscope. The microscope objective lens switching device is used for switching an objective lens of a microscope, and comprises a base, a rotation driving module fixed on the base, a transmission module connected with the rotation driving module, and a turntable fixedly connected with the transmission module and the objective lens respectively. The transmission module comprises a shell fixed to the base, a coupler with one end detachably fixed to an output shaft of the rotary driving module, a double-lead worm fixedly connected with the other end of the coupler and a worm wheel matched with the double-lead worm in a meshed mode, and the worm wheel is fixedly connected with the rotary disc. And when the connection between the coupling and the output shaft is released, the coupling is rotated to enable the dual-lead worm to move along the axial direction so as to change the meshing clearance between the dual-lead ...

Energy storage configuration method, device and equipment for peak regulation and frequency modulation mixed scene and storage medium

The invention discloses an energy storage configuration method and device for a peak regulation and frequency modulation mixed scene, equipment and a storage medium. The method comprises the following steps: determining a peak regulation time period in which energy storage participates in peak regulation and a frequency modulation time period in which energy storage participates in frequency modulation from historical time periods of a power distribution area, and obtaining historical net load data in the peak regulation time period and historical area control deviation data in the frequency modulation time period, screening out historical net load data of a typical day from the historical net load data in the peak regulation time period, determining the energy storage rated capacity in the peak regulation and frequency modulation mixed scene based on the historical net load data of the typical day, and determining the energy storage rated power in the peak regulation and frequency modulation ...

CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, PREPARATION METHOD THEREOF, AND CATALYST INCLUDING SAME

The present invention relates to a catalyst component for olefin polymerization and a catalyst including same. The catalyst component includes magnesium, titanium, a halogen, an internal electron donor compound, and a precipitation aid. The precipitation aid comprises a precipitation aid a represented by general formula (I). The precipitation aid a represented by general formula (I) includes an isomer represented by general formula (I-a) and/or (I-b).

METHOD FOR CONFIGURING I/O CONFIGURATION TOOL PARAMETERS FOR IC DEVICE

The present invention relates to a method for configuring I/O configuration tool parameters for IC device, which includes the following steps: starting the I/O configuration tool, reading XML configuration file information; configuring I/O information and saving the configuration information in the XML configuration file; restarting the I/O configuration tool, reading the configuration information of the XML file; judging whether the configuration information is valid, if yes, displaying the modified XML file information. The present invention stores industrial device I/O configuration information by using XML file format by which an I/O configuration can be described in different level nodes in an XML file, reducing space occupied by XML files and saving time for configuration.

Risk prediction method and device, electronic equipment and storage medium

The invention discloses a risk prediction method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring original distribution network scheduling data, and preprocessing the original distribution network scheduling data to obtain to-be-predicted data and risk data corresponding to the to-be-predicted data in a first time period; the input to-be-predicted data are predicted through a trained remote control prediction model, a remote control prediction result is obtained, and the remote control prediction model is obtained by training an isolated forest model through a training sample set; and loading a terminal online rate corresponding to the to-be-predicted data, and determining a risk prediction level corresponding to the to-be-predicted data according to the remote control prediction result corresponding to the to-be-predicted data, the terminal online rate and the risk data, the terminal online rate is obtained by predicting the input ...

Low-temperature granulation method and granulator for liquid milk

The invention relates to the technical field of dairy product processing, and provides a low-temperature granulation method of liquid milk, which comprises the following steps: the liquid milk drips into a refrigerant in a liquid drop shape, and is condensed and frozen into particles by the refrigerant; and particulate matters mixed in the refrigerant are separated out. On the other hand, the invention provides a liquid milk granulator, a dripping mechanism is arranged above a receiving hopper, and the dripping mechanism is used for discharging the liquid milk and dripping the liquid milk into the refrigerant downwards in a liquid drop shape; a lifting mechanism is connected to the lower part of the receiving hopper and is used for separating liquid milk particles which are settled at the bottom of the receiving hopper due to condensation. According to the technical scheme, liquid emulsion particles can be simply formed by dripping of liquid materials and condensation of liquid drops; and ...

SOUND-LIGHT ALARM APPARATUS FOR TRANSFORMER SUBSTATION FAULT TRIPPING

Disclosed is a sound-light alarm apparatus for transformer substation fault tripping. The apparatus comprises a power source module, a control circuit module, a signal acquisition module, an LED display module, an alarm module and a heat dissipation module. The signal acquisition module is provided with a signal receiving end (Uin), a current limiting resistor (R20) and a photoelectric coupler. A tripping signal flows through the photoelectric coupler via the current limiting resistor, so that a triode conduction potential of the photoelectric coupler changes. A main control apparatus acquires the change in the signal, and the words "fault tripping" are displayed via the LED display module. The alarm module triggers an alarm apparatus to give an alarm. The staff is reminded to pay attention, so that the staff performs resetting and alarm pause operations on a device via a man-machine interface apparatus. Even though the working position of overhaul is far from a main control room, the field ...

CONTROL METHOD FOR STEEL JACKING PLATFORM CAPABLE OF ACHIEVING OVERALL JACKING AND PARTIAL JACKING

A control method for a steel jacking platform capable of achieving overall jacking and partial jacking, comprising: firstly, closing N main power supply switches, N control transformer power supply switches and N control circuit switches; during startup, pressing down corresponding startup switches on electromagnetic starters connected to the control circuit switches, powering on and pulling in coils of corresponding main contactors, closing and self-locking normally-opened auxiliary heads of the main contactors, closing main contact heads of the main contactors, and powering on and starting up corresponding motors to run continuously; and when stopping, pressing down stop switches on the electromagnetic starters connected to the control circuit switches, powering off and disconnecting coils of the corresponding main contactors, separating and disconnecting the self-locking contact heads of the main contactors, separating and disconnecting the main contact heads of the main contactors, ...

POWER TOOL

A power tool (10), comprising a working head (15), a motor (11), a casing (13), and a handle (12). The motor comprises a motor shaft defined with a central axis, and the motor shaft drives the working head to effect the functions of the power tool. The casing is used to contain or secure the motor. The handle is held by a user and comprises a handle housing. The handle housing is made of a first material and is provided with a receiving cavity. The power tool further comprises a handle self-vibration absorption device (16). The handle self-vibration absorption device comprises one handle self-vibration absorber. The handle self-vibration absorber is made of a second material different from the first material. The weight of the handle self-vibration absorber is less than the weight of the handle housing. The density of the handle self-vibration absorber is greater than or equal to 1 g/cm3 or is greater than the density of the handle housing. The size of the handle self-vibration absorber ...

Earphone mode switching method and device, electronic equipment and storage medium

The invention provides an earphone mode switching method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a vibration signal acquired by a bone conduction sensor of an earphone and a first audio signal synchronously acquired by a feed-forward microphone or a call microphone; at least according to the energy value of the vibration signal, identifying a first probability value that the earphone wearer has a speaking behavior; predicting a second probability value that the earphone wearer has a speaking behavior at least based on an amplitude spectrum feature extracted from the first audio signal; and according to the first probability value and the second probability value, controlling the earphone to be switched between a noise reduction mode and a non-noise reduction mode, thereby controlling the earphone to be automatically switched to the non-noise reduction mode when the earphone wearer has a speaking behavior, and controlling ...

Hydrogenation catalyst as well as preparation method and application thereof

The invention discloses a hydrogenation catalyst as well as a preparation method and application thereof. The catalyst comprises a mesoporous carbon carrier and an active metal component loaded on the mesoporous carbon carrier, the mesoporous carbon carrier contains a carbon element, an oxygen element, a hydrogen element, a sulfur element, a nitrogen element and a phosphorus element. The preparation method of the hydrogenation catalyst comprises the processes of preparing the mesoporous carbon carrier and introducing the hydrogenation active metal into the mesoporous carbon carrier. The preparation method of the mesoporous carbon carrier comprises the following steps: uniformly mixing a carbon carrier precursor, a phosphorus source and an adhesive to obtain a mixed material, and carrying out heat treatment on the mixed material in an oxygen-containing atmosphere. The preparation method of the mesoporous carbon carrier has the advantages of simple process flow and good environmental protection ...

Lunar surface wheel escape bionic leg type mechanism

The invention belongs to the technical field of engineering bionics, and relates to a bionic bouncing leg type mechanism for releasing from a lunar surface wheel, which takes posterior limbs of a diving mouse as bionic elements and is designed to be capable of releasing from a lunar surface environment. The robot is a bionic mechanism composed of wheels, bionic thighs, shanks and feet. When no difficulty exists, the bionic mechanism rolls and runs on the lunar surface in a wheel form; when the wheels are stuck, the leg structures release the stored elastic potential energy, the foot end impacts the lunar surface to step on the ground, and the feet step off the ground under the low-gravity condition to complete escape; the length of each part of the leg type mechanism simulates the proportion of anatomical bones of the mouse, the shank is connected with the end of the foot through an elastic rope, and the foot rotates around a hinge point to store and release elastic potential energy. The ...

Evaporator with scraper stirring function

The invention relates to the technical field of evaporation treatment, and particularly discloses an evaporator with a scraper stirring function, a scraper is arranged on the inner side of the lower part of an evaporation chamber, the scraper is connected with a motor through a rotating shaft, the motor is fixed above the evaporation chamber, and the scraper is controlled by the motor to rotate; crystals separated out during evaporation and concentration of the waste liquid are prevented from scaling on the inner wall of the evaporation chamber. The device disclosed by the invention adopts a scraper stirring form, so that scaling is effectively prevented in a wastewater evaporation and concentration process, and the problems that an evaporation concentrator is serious in scaling and equipment is frequently descaled, cleaned and overhauled are solved.

Group string segmentation method and device, equipment and medium

The invention discloses a string segmentation method and device, equipment and a medium, and belongs to the technical field of image processing. The method comprises the following steps: acquiring a string picture, extracting a foreground and a background of the string picture, and determining a photovoltaic panel area in the foreground and the background; and determining boundary information of the photovoltaic panel in the photovoltaic panel area, and determining a string boundary based on the boundary information. According to the string segmentation method of the water floating power station, firstly, a string picture is obtained, foreground and background of the string picture are extracted, photovoltaic panel areas in the foreground and background are determined, and then the string boundary is determined based on boundary information of photovoltaic panels determined in the photovoltaic panel areas. The method can effectively solve the problem of adhesion in floating string segmentation ...

POWER TOOL

Disclosed is a power tool (100), comprising: a casing (11), a motor (12), an output shaft (131), a working head (13), a transmission assembly, an auxiliary handle (20), and a damping assembly (25), wherein the casing is provided with a main handle (111) for a user to grip; the motor is arranged in the housing, and the motor is further provided with a driving shaft (121); the working head is provided with the output shaft (131) and an abrasive disc (132) connected to the output shaft, and the output shaft is driven by the motor; the front end of the auxiliary handle is mounted on the casing and near the working head, and the auxiliary handle comprises a grip portion (21) extending along a center line (103) thereof; the damping assembly comprises a mass member (251) and an elastic element (252), wherein the auxiliary handle further comprises an end cap (23) arranged at the rear end of the grip portion (212), with the rear end being further away from the casing with respect to the front end ...

Hydrogenation catalyst, preparation method and application

The invention relates to the technical field of hydrogenation catalysts, and discloses a hydrogenation catalyst and a preparation method and application thereof.The hydrogenation catalyst comprises a carrier and a hydrogenation active metal component loaded on the carrier, the hydrogenation active metal component comprises the carrier, the hydrogenation active metal component loaded on the carrier and a carbon component, based on the total amount of the hydrogenation catalyst, the content of the hydrogenation active metal component in terms of oxide is 15-60 wt%, the content of the carbon component in terms of element is 0.03-0.8 wt%, and the balance is the carrier; the carrier is phosphorus-containing aluminum oxide, and in an IR (Infrared Ray) spectrogram of the phosphorus-containing aluminum oxide, (I3670 + I3580)/(I3770 + I3720) is 1.9 to 2.8; wherein I3670 is the peak height at the position of 3670 cm <-1 >, I3580 is the peak height at the position of 3580 cm <-1 >, I3770 is the peak ...