66results about How to "Improve general purpose" patented technology

The invention discloses a constant geometric method-based composite thin-walled structure inherent frequency design method. The method comprises the following steps of: describing a curved surface shape of each sub-structure of an initial thin-walled composite structure through NURBS, and classifying sub-curved surfaces into a design domain and a non-design domain, changing the shape of the designdomain through movements of control points, and setting positions of the control points as design variables; carrying out grid partition on the structure by adoption of a constant geometric Kirchhoffshell unit, calculating quality and rigidity matrixes of the sub-structures, and carrying out modal analysis; respectively constructing reduction models of the sub-structures by utilizing the first several orders of feature values and feature vectors, forming a reduction model of the composite structure through an immobile interface modal synthesis method, and solving the reduction model to obtain a fixed frequency; and carrying out design sensitivity analysis on the structure to obtain an analysis sensitivity, for a shape design variable, of the fixed frequency, and finally solving a designproblem through a gradient-based optimization algorithm. According to the method, the grid generation process is simplified and the optimization efficiency is improved at the same time.

The invention discloses a color steel tile roof connecting piece of a solar photovoltaic panel. The color steel tile roof connecting piece of a solar photovoltaic panel includes a pedestal which is fixedly connected with a color steel tile roof, and a support which is arranged above the pedestal and is fixedly connected with the solar photovoltaic panel, wherein the pedestal includes a body, and two clamp plates which are arranged on the body for clamping the edges on the color steel tile roof from two sides; at least two accommodation grooves which are arranged at intervals in the horizontaldirection are formed in the bottom of the body; and each clamp plate includes a clamping part and a connection part which can be connected to the inside of the accommodation grooves so as to enable the clamp plate to vertically rotate upward opposite to the body. By setting the pedestal to contain the body and the two clamp plates which can rotate relative to the body, and as the distance betweenthe clamp plates can be adjusted, the clamp plates are suitable for almost all the current color steel tiles, and the universality of the connecting piece is improved and the cost is reduced.

The invention discloses a modular fruit and vegetable sorting device. The modular fruit and vegetable sorting device comprises a circular tray conveying module and further comprises a fruit and vegetable bearing tray, a feeding module, a detecting module, a hierarchical control module, a fruit discharging conveying module, a tray recognition system and a control system. The feeding module, the detecting module, the hierarchical control module and the fruit discharging conveying module are sequentially arranged and form closed circulation through the circular tray conveying module. The fruit and vegetable bearing tray is provided with a recognition tag to be recognized by the tray recognition system, the tray recognition system is arranged on the detecting module, and the control system isconnected with the tray recognition system and the hierarchical control module. By means of the modular fruit and vegetable sorting device, on the one hand, precise sorting of multiple fruits and vegetables is achieved, a user can set the detecting module according to different detection requirements, and sorting of the multiple fruits and vegetables is achieved; and on the other hand, installation positions, sizes and the like of the modules can be adjusted according to situations of different places, and the design flexibility, the universality and the modular degree of the whole structure are improved.

The present invention relates to a restructurable digital control module which can be used in the field of computer digital control technology. Said invention utilizes restructurable interface module, state coordinator module and control module to form a modular open structure, the restructurable interface module, state coordinator module and control module are coupled by means of shared internal memory, and the state coordinateor module and control module can utilize respective COM interface to retain mutual communication between both them. the use of said invention can restructure numerical control module, and can meet the concrete requirements of various types of numerically-controlled products.

A communication line control system and a communication line control method have an architecture, in which if a plurality of calls that should be processed simultaneously occur in one communication terminal incorporating communication functions containing voice communications and data communications and accommodating a plurality of communication lines, a distributed control module utilizing the plurality of communication lines on this communication terminal processes only a specified call among the plurality of calls on the basis of condition data preset in a line control unit without being aware of the plurality of communication lines. With this architecture, it is feasible to enhance a general-purposed characteristic and a simplicity of creation of the software (distributed control module) for controlling the plurality of communication lines, reduce a load thereof and improve its usability.

The invention relates to a battery pack and an electric vehicle. The battery pack comprises a cell module, a function module and a connecting member. The cell module comprises a first housing and a cell unit, the cell unit is encapsulated in the first housing, a first conductive terminal is led out from the cell unit and can be touched from the outside of the first housing. The function module consists of a second housing and a function unit, the function unit is encapsulated in the second housing and is provided with a second conductive terminal, also the second conductive terminal can be touched from the outside of the second housing, the first housing and the second housing are in detachable connection through the connecting member, when the first housing and the second housing are in connection, the first conductive terminal and the second conductive terminal can be connected, and when the first housing and the second housing are separated, the first conductive terminal and the second conductive terminal can be separated. The technical proposal realizes partial disassembly and assembly of the cell module, and disassembly and assembly become more convenient. The invention also relates to an electric vehicle equipped with the battery pack.

An imaging device, a cradle head, and a camera body are disclosed. The imaging device (100) includes a body (110) and a photographing assembly (120) and a mounting assembly (150) disposed on the body(110). The mounting assembly (150) is for being detachably coupled onto a plurality of types of imaging device carriers by a first coupling. The plurality of types of imaging device carriers are selected from at least two of the following: a cradle head, a camera body, and a movable object. In the imaging device of the invention, the mounting assembly can be detachably coupled onto the plurality of types of imaging device carriers by the first coupling, thereby enabling the imaging device to be cooperatively used in a switchable manner with the plurality of types of imaging device carriers.

The present invention discloses an electrical core bracket and a combined battery. The electrical core bracket comprises an electrical core accommodating part and a border, wherein the electrical core accommodating part is arranged inside the border and is provided with a plurality of electrical core holes, the first side of the border is provided with a plurality of first bosses, and the size of the first boss is matched to the size of the hole on one side of the border of another electrical core bracket. According to the present invention, the mutually matched bosses and counterbores are arranged on the border of the electrical core bracket, so a plurality of battery modules can be integrally connected in series according to different battery capacities, and a variety of batteries having different capacities can be produced by only using one electrical core bracket so as to improve the versatility and the interchangeability of the electrical core bracket.

The invention discloses a broadband low-profile 4X4 array dual-polarization directional antenna which comprises an antenna body, the antenna body comprises a reflecting plate, a high-frequency dielectric substrate, a circular cushion column, a radiation unit, a nut, a coaxial cable and a radio frequency connector, and the high-frequency dielectric substrate is installed in the middle over the reflecting plate. A plurality of groups of circular cushion columns are uniformly mounted at the joint of the high-frequency dielectric substrate and the reflecting plate; a plurality of groups of radiation units are uniformly arranged on the circular cushion columns; studs are inserted in the connecting positions of the radiation units and the circular cushion columns in a penetrating mode; nuts arefixed on the studs in a threaded manner and are in contact with the radiation units; The central current zero point of the radiation unit is in short circuit with the reflecting plate, and the surfaceof the radiation unit is symmetrically provided with a first window and a second window. According to the invention, the antenna radiation unit is optimally designed, and a circular or square radiation patch different from the traditional radiation patch is adopted, so that the antenna has the advantages of wide frequency band, high isolation, high cross polarization ratio and low profile.

The invention belongs to the technical field of warehouse logistics, and particularly relates to a rapid multi-variety robot material sorting device and method. Comprising a control cabinet, a sorting robot, a transferring mechanism, a storage box, a conveying line and a sorting box arranged on the conveying line. The sorting robot is arranged on one side of the conveying line, is mounted in the transferring mechanism and is used for sorting the materials in the storage box into the sorting box; the transferring mechanism is provided with a storage box, and the transferring mechanism is connected with the control cabinet and used for receiving the material information and conveying the storage box into the grabbing range of the sorting robot; the control cabinet is connected with the sorting robot and the transferring mechanism through cables and used for controlling the sorting robot to sort materials and sending material information to the transferring mechanism. Storage box replacement and sorting operation are physically isolated in an operation area and can be executed in parallel in a non-interfering mode; therefore, high-speed continuous proceeding of material sorting operation in multi-variety and small-batch orders is guaranteed, and the speed and efficiency of material sorting operation are improved.

The invention relates to an auditing method and system based on a knowledge graph, belongs to the technical field of knowledge graphs, and solves the problem that an existing auditing method cannot bereused and is poor in universality. The auditing method comprises the following steps: constructing a knowledge graph based on a knowledge graph Schema by utilizing a basic data source; configuring arule expression in the knowledge graph; the step of automatically auditing the knowledge graph data based on the rule expression comprises the following sub-steps: circularly traversing a plurality of starting nodes, and obtaining one starting node; splitting the rule expression into a plurality of rule sub-expressions; circularly traversing and executing a plurality of rule sub-expressions, andrecording all nodes participating in the execution of the rule sub-expressions as rule violation data when the execution of the rule sub-expressions is wrong; cyclically traversing the recorded rule violation data, and assigning values to a plurality of rule sub-expressions; and executing the assigned rule expression, and when the executed rule expression is wrong, displaying rule violation data through the visual knowledge graph. Universality and the expandability are enhanced.

The invention discloses a wooden bangle cleaning and maintaining device. The device comprises a shell and a power device located in the shell; the power device comprises a power cavity, a maintaininggroove with a leftward opening is formed in the left side of the power cavity, and a first rotating shaft extending left and right is rotationally connected between the maintaining groove and the power cavity; and four rotating fan-shaped shells, located in the maintaining groove, are fixedly connected to the first rotating shaft, the four rotating fan-shaped shells are distributed relative to thefirst rotating shaft in an array mode, and tensioning devices are arranged the each rotating fan-shaped shells. The device can allow bangles with different sizes to be put into the tensioning devices, and by rotating a rotary knob manually, the bangles are tensioned, so that the universality of the device is improved; and meanwhile, the bangles are cleaned and maintained in different directions,so that the efficiency of the device is improved, and meanwhile, the working quality is guaranteed.

The invention relates to a transient calculation method for water turbine power and belongs to the technical field of stability analysis and control of water turbines and waterpower sets. The transient calculation method includes firstly, calculating characteristic parameters of a water turbine model and calculating a waterpower loss coefficient kh, mechanical friction loss deltaPm and no-load discharge Qnl of a water turbine flow passage; secondly, extracting and fitting impact loss power, namely fitting by taking (Q-Qz) as a variable so as to obtain a water turbine impact loss change curve along with discharge: deltaPi=F(Q-Qz); thirdly, establishing a water turbine power calculation model Pt(Q)=gammaHrQ(1-kv)-deltaPm-khQ<3>-F(Q-Qz) under the condition of a rated water head; fourthly, revising the impact loss power so as to obtain a water turbine power calculation formula as shown in the specification under any water head of a water turbine. The transient calculation method for the water turbine power provides a convenient calculation method and approach for studying a transient process and stability of waterpower systems and the waterpower sets as well as nonlinear control design of the waterpower sets.

The invention relates to a foundation ditch on-line monitoring system comprehensive data storage transmission device. The foundation ditch on-line monitoring system comprehensive data storage transmission device comprises a core processor U1, a serial port interface U7, a USB interface U6, a CAN bus communication module U8, a CAN bus interface U9, a bluetooth data communication module U4, a 4G data communication module U3, and a 433MHZ data communication module U2. The foundation ditch on-line monitoring system comprehensive data storage transmission device is capable of integrating all the existing foundation ditch monitoring instrument data transmission modes, one-site data format parsing is avoided, all the files are stored in a register directly, so that on-site data reading process issimplified. After test, data is sent to a on-site data terminal for sending to a cloud platform through the 433MHZ data communication module in the foundation ditch on-line monitoring system comprehensive data storage transmission device, or is directly sent to the cloud platform for processing through the 4G module of the foundation ditch on-line monitoring system comprehensive data storage transmission device. The foundation ditch on-line monitoring system comprehensive data storage transmission device is capable of increasing on-site data storage and sending convenience and universality effectively, and increasing on-site working efficiency.

The invention discloses a laser radar mounting and fastening support device which comprises a vehicle body connecting support, a first transition support, a second transition support, a first laser radar support and a second laser radar support. The top end of the vehicle body connecting support is in threaded connection with the first transition support. The rear portion of the first transition support is in threaded connection with the front portion of the second transition support. The rear portion of the second transition support is in threaded connection with the first laser radar support. The first laser radar support and the second laser radar support are in threaded connection after fastening the laser radar. The lower portion of the body connecting support is in threaded connection with a body. The laser radar mounting and fastening support device is convenient to disassemble and assemble and good in universality.

The invention discloses a roller replacing device and method for replacing in-furnace roller components and belongs to the technical field of ferrous metallurgy. The roller replacing device comprises a roller way rack, a roller replacing cross beam and at least two transmission devices, wherein the roller replacing cross beam is arranged on the roller way rack in a slidable way through the transmission devices; each in-furnace roller component is provided with a roller replacing base; the roller replacing bases are arranged on the roller way rack in a slidable way; and connecting mechanisms are arranged between the roller replacing bases and the roller replacing cross beam. The roller replacing device provided by the invention can be used for integrally replacing any one or more in-furnace roller components, thereby reducing the labor intensity and improving the inspection and repair efficiency; and meanwhile, the roller replacing device can be used for off-line inspection and repair of the in-furnace roller components so as to improve the inspection and repair quality. The roller replacing device not only solves the problems of high inspection and repair environment temperature and limited operation space in in-furnace roller replacement, but also is improved in universality so as to be capable of being widely applied to replacement of in-furnace rollers of heating furnaces.

The invention discloses a non-return device for refrigerator compressor performance test equipment. The non-return device comprises a non-return mechanism and a support mechanism, wherein the support mechanism is connected with the non-return mechanism and supports and matches with the non-return mechanism to limit springback of a refrigerator compressor; the non-return mechanism comprises a U-shaped base, a pin shaft penetrating through the part close to the top end of the U-shaped base and a non-return block rotationally fixed on the U-shaped base through the pin shaft, and the starting height of the non-return block in a rotating process is larger than that of the top end plane of the U-shaped base; a torsional spring is in embedded connection between the non-return block and the U-shaped base; a cushion block is mounted in the position close to the bottom end of the U-shaped base. The support mechanism comprises a mounting rack conveniently fixed on a mounting platform and an adjusting rack which is integrated and fixedly connected with the mounting rack and can move on the mounting rack up and down; the U-shaped base is movably fixed on the adjusting rack. The device is simple in structure, high in adjusting speed, very high in universality and low in manufacturing cost, and can better meet the requirement of accurate positioning of the refrigerator compressor before an energization performance test.

The invention relates to a hall permanent magnet brushless high-speed direct current motor for a vacuum molecular pump. The hall permanent magnet brushless high-speed direct current motor comprises a motor rotor and a motor stator, wherein the motor rotor comprises an alloy steel mandrel, a permanent magnet and an alloy sheath; the motor stator comprises a stator core, a solenoid winding, an outgoing line, a hall element, a hall sensor, a hall circuit board, a hall mounting base, epoxy resin and an outer motor sleeve; the hall mounting base is located at one side, toward the outgoing line, of the stator core; a pin of the hall element is welded to the hall circuit board; a copper screen shielding layer coats the periphery of the hall circuit board; the opposite position of the hall sensor is rigidly fixed through the hall mounting base; a signal line of the hall sensor is arranged at one end of the outgoing line; a heavy-current motor three-phase current outgoing line is arranged at the other end of the outgoing line; a shield protection sleeves the outgoing line of the hall sensor; the motor stator is filled and sealed by the epoxy resin after being installed; and the outer motor sleeve is used for ensuring the assembly accuracy of the motor stator.