224results about How to "Break out" patented technology

A magnetically controlled welding method with consumable electrode features that a pair of exciting coils for upper and lower electrodes are arranged respectively above and under the workpiece to be welded, and an exciting power supply is used to provide the exciting current to said coils and generate an external vertical magnetic field for controlling and perform the welding to the workpiece protected by active gas or CO2. Its welding apparatus has exciting power supply, exciting unit and water cooling system.

The invention discloses a near-to-eye display system, which comprises a light source system, a light guide system and an image display system, wherein the image display system is used for displaying a hologram; the light source system is used for inputting a lighting beam to the light guide system; and the light guide system is used for carrying out transmission and expansion on the lighting beam and then enabling the beam to irradiate on the hologram displayed by the image display system to activate the hologram in a transmission mode. Correspondingly, the invention also discloses a head-mounted display device. The waveguide light guide technology and the computational holography technology are integrated fully, and thus, the near-to-eye display system is light and delicate, and large-view field display and depth adjustment through computational holography can be realized.

The invention discloses a laser additive manufacturing equipment and a laser additive manufacturing method of a metal part. The equipment comprises a working cabin, a preset powder laying rapid-forming assembly, a shape follow-up cylinder setting and removing assembly, a machining assembly, a moving mechanism and a control system. Firstly a shape follow-up cylinder slicing layer capable of surrounding the slicing contour of the metal part is arranged on the surface of a substrate by using the shape follow-up cylinder setting and removing assembly, a metal powder layer is paved on the interior of the preset powder laying rapid-forming assembly, and laser selective melting is carried out on powder, so that the formation of a first slicing layer of the metal part is completed; according to accuracy requirement, the formed slicing layer of the metal part can be machined by using the machining assembly; the process of shape follow-up cylinder slicing layer setting, powder paving, laser selective meltingand formation of the slicing layer of the metal part and machining (when necessary) is repeated, and high-precision formation of metal parts with various sizes and structures can be realized at one time; and a shape follow-up cylinder can be conveniently removed by using the shape follow-up cylinder setting and removing assembly after formation.

An on-line simulation method of a large-scale complex natural gas pipeline network system is characterized gy firstly establishing a simulation model of the pipe network, carrying out the SCADA data connection, associating real-time data with the simulation model, carrying out the static simulation and finally the on-line simulation to describe the flow state, distribution and changing process ofthe pipeline network in real time; describing the response and changing process of all kinds of operation, control and events; giving the trend of hydraulic and thermodynamic change, obtaining the dynamic simulation of the pipeline real time state by a Newton-Raphson iterative method and the layer by layer calculation. The method of the invention realizes the on-line simulation and tracks the real-time hydraulic changing process of pressure, flow rate and flow velocity of the pipe network system, the thermal working conditions such as temperature, the changing process of fluid properties suchas flow rate, density, viscosity, sound speed, entropy and enthalpy, and the real-time changing process of pressure at the storage and special points.

The invention relates to an ear hanging type physiological feedback device comprising an ear hanging type structure for linking with ears, at least a sensing element for acquiring physiological signals and a circuit arrangement attached to the ear hanging type structure. The physiological feedback device also comprises a analogue-digital conversion for receiving physiological signals obtained by the sensing element and performing a digital process to the physiological signals, a processor for processing the digital physiological signals, a battery for providing electric power needed by operation and a sounding module, wherein, after the digital physiological signals are analyzed, they will be compared with a default value to obtain a result, according to the result, the processor will drive the sounding module to send audio signals correspondingly to inform the user, and when the user gives a physiological feedback, the sounding module can be arranged close to the ears through the ear hanging type structure, and thus, the audio signals can be received by ears.

The system utilizes multimedia client end, retransmitter, retransmission service centre, class management and service centre to carry on three functions of video-audio class, data class and class management. The multimedia client end scattered at each small satellite station is connected to internal connected retransmitter through Ethernet and the retransmitter is connected to external connected server which connects to retransmission centre of server at main satellite station through two-way satellite network connection. The class service centre is at server of the main satellite station and the multimedia client end is connected to retransmission center at main satellite station server and class management and service centre.

The invention discloses a handle positioning method, head-mounted display equipment and a storage medium. The handle positioning method comprises the steps: emitting a magnetic field signal emitted byan electromagnetic emission module of a handle, and obtaining the electromagnetic pose of the handle according to the magnetic field signal; shooting an optical mark point of the handle to obtain animage, and obtaining the optical pose of the handle according to the image; and fusing the handle electromagnetic pose and the handle optical pose, and realizing the positioning of the handle based ona fused pose. According to the embodiment of the invention, the technical problem that electromagnetic positioning tracking is easy to lose is avoided, the limitation of a field angle when optical positioning is independently used is broken through, the ambient light interference is reduced, and the positioning precision is improved.

The invention discloses a file system used for a hard disk video recorder and the check method thereof. The file system comprises two parts of a general file system and a dedicated file system, wherein the general file system is provided with a management mechanism for nodal points, contents and files; the dedicated file system includes a super block, a data block bitmap, a data area and a backup data area. The method comprises the following steps of recording use conditions of data blocks in hard disk areas at the two parts; applying for a memory area; then reading out the use condition of the data block in the hard disk area stored by the general file system; and finally, covering the use condition of the data block in the hard disk area stored by the dedicated file system, so as to accomplish the consistent check. The invention absorbs the advantages of the general and the dedicated file systems, thereby improving the stability and the security of the file systems; and aiming at the concrete safety protection operation, the sizes of the files are set, thereby breaking the limitation the general file system.

The invention provides a distributed webpage downloading method and system. The method includes the steps that a web crawler sends a webpage downloading request to a task scheduling service unit; the task scheduling service unit receives the webpage downloading request and stores the webpage downloading request into a first information queue; an internet client obtains the webpage downloading request from the first information queue of the task scheduling service unit, downloads corresponding webpage data, and stores the webpage data into a second information queue of the task scheduling service unit; the task scheduling service unit feeds the webpage data in the second information queue to the corresponding web crawler requesting webpage downloading. On the basis of a point-to-point distributed webpage downloading mode of the two information queues, webpages can be captured by means of internet machines distributed in different places, webpage downloading requests can be responded accurately in real time, and limitations to concurrence downloading requests of websites can be effectively broken through.

The invention is suitable for a separate hydraulic / geothermal energy cold and hot domestic hotwater integrated central air-conditioning unit, which comprises a compressor, a heat-recovery heat exchanger, an electromagnetic four-way reversing valve, a separate hydraulic / geothermal energy heat exchanger, a one-way valve, a thermostatic expansion valve, an electromagnetic valve, a drying drier, an air-conditioning side heat exchanger and a vapor-liquid separator which are connected in series through pipelines. According to the invention, water or soil is used as a direct cold and hot source of acoolant, the heat exchangers which are dispersedly arranged on in the water body or soil are used as condensers in the refrigerating season and used for directly refrigerating the coolant to release heat; the heat exchangers which are dispersedly arranged in the water body or soil are used as evaporators in the domestic hotwater making and warming seasons and used for directly evaporating the coolant to absorb heat; and therefore the heat exchanging efficiency is greatly improved. According to the invention, a long-distance fluorine path is initiatively and directly condensed or evaporated inthe water or soil, therefore the land and water resource occupying area mass and the engineering cost are greatly reduced, and the limit to the use of a heat pump from the geological and hydrologicalenvironment is thoroughly broken through.

The invention discloses a deformation monitoring method realizing timely alarm for a danger area, which relates to the field of deformation monitoring of dams, slopes, bridges, railways, highways and hillsides. The method includes the following steps: S1, installing equipment; S2, marking corner reflectors; S3, obtaining foundation SAR deformation information and laser scanner DEM information; S4, extracting the coordinates of the corner reflectors from the foundation SAR deformation information and DEM information; S5, unifying the coordinate systems of foundation SARs and 3D laser scanners; and S6, fusing a foundation SAR deformation displacement diagram and a 3D laser scanner DEM diagram. The invention aims to overcome the problem that it is difficult to predict the disaster in a danger area through the existing deformation monitoring method, and provides a deformation monitoring method realizing timely alarm for a danger area. Through the deformation monitoring method of the invention, the actual positions corresponding to largely deformed points in the foundation SAR displacement diagram can be acquired quickly and accurately, and the disaster in a danger area can be predicted in time.

The invention relates to a wireless DSP electronic policeman system for standard definition for running a red light, comprising a host system and at least one one-way shooting system, wherein the host system is connected with the one-way shooting system by a wireless link; preferably, the DSP module of the one-way shooting system is respectively connected with a first coil detection module, a signal receiving module, a data sending module and a first standard definition camera; the principle controller of the host system is respectively connected with a signal acquisition module, a signal sending module and the signal receiving module; the signal sending module and the data sending module are respectively connected with the signal receiving module and the data receiving module by the wireless link; preferably, the signal sending module and the data receiving module are ZIGBEE modules, and the data sending module and the data receiving module are wireless AP modules. The host system also comprises a second coil detection module connected with the principle controller line and at least one second standard definition camera. The invention has convenient installation and use, breaks through the limitation of application environment and lowers cost.

The invention discloses a laser additive manufacturing device and method. The laser additive manufacturing device comprises a forming cabin, a working platform, a substrate, a scanning galvanometer assembly, a powder presetting assembly, an atmosphere regulating assembly, a lifting assembly and a central control system; when the laser additive manufacturing device is applied to the forming of a metal component, the scanning galvanometer assembly is not only used for the layer-by-layer selective melting of slice layers of the metal components above the fixedly-positioned substrate, but also used for the layer-by-layer selective melting of enclosed thin walls above the substrate; and the enclose thin walls are matched with the slice outline of the metal component, and capable of accommodating a metal powder bed. The laser additive manufacturing device and method disclosed by the invention have the advantages that the forming space is flexible and adjustable as well as the powder utilization ratio is high; and the high-quality low-cost additive manufacturing of metal components of various sizes and shapes can be achieved.

The invention provides a bamboo-wood straw and a manufacturing method. A bamboo-wood straw main body is of a straight-strip tubular structure with a uniform wall thickness, one end of the bamboo-woodstraw main body is cut into a flat cut to serve as a drinking port, the other end of the bamboo-wood straw main body is cut into an inclined cut to serve as a puncturing port, raw materials of the bamboo-wood straw are ripe bamboo or wood which is uniform and consistent in texture, and include sandalwood, beech, oak, phoebe zhennan, ormosia henryi and the like. According to the bamboo-wood straw,a new structure suitable for combination and processing is adopted, requirements for natural formation of the raw materials are small, common materials can be directly adopted, the requirements for selecting materials are small, and the material cost is greatly reduced; the raw materials are environment-friendly, easy to recycle and recyclable, and the bamboo and the wood have the characteristic of environmental protection, and can be conveniently reused in many fields after being used as disposable straws; the processing method is suitable for large-scale production; and the requirements of the raw materials are relatively low, standardized production can be realized, and the quality of products is stable and controllable.

The embodiment of the invention provides a wireless network scenario-based assessment method, a wireless network scenario-based assessment device, equipment and a medium. The assessment method comprises the following steps: acquiring longitude and latitude information in a reported user position through a mobile network; reading a user plane bill containing the longitude and latitude information and a MRO bill containing wireless network information, associating the user plane bill with the MRO bill, and creating a user fingerprint library; performing rasterization for a map according to a preset shape, projecting wireless environment information in the user fingerprint library into a corresponding grid, and calculating out a wireless performance index in each grid. According to the embodiment of the invention, the scenario-based assessment based on any geometric plane shape can be realized, and that the acquired wireless performance index can completely and accurately reflect the wireless performance index of the region is guaranteed.

The invention relates to the technical field of electronic communication and specifically relates to an electronic device. A voice assistant expansion device comprises a sound capturing module used for capturing sound information, a processing module connected with the sound capturing module and a data communication module connected with the processing module, wherein the processing module is used for processing the sound information so as to obtain instruction information, data communication between the data communication module and a mobile terminal can be realized via a wired or wireless mode, and the data communication module is used for sending instruction information to the mobile terminal or receiving voice information to be played from the mobile terminal. The voice assistant expansion device disclosed in a technical solution of the invention can be used for effectively improving convenience of using a voice assistant in enclosed space such as households, vehicles, offices and the like; limitation of the voice assistant can be broken, and user experience of the voice assistant can be improved.

The invention discloses a method for solving tree control node quantity restriction. Node data is asynchronously loaded in batches to improve a tree control node data loading success rate and reduce a series of faults caused by the data loading failure of the tree control node data; the node data of a visible region is dynamically loaded, the node data of an invisible region can be removed, so that consumption on the memory of an operating system, a CPU (Central Processing Unit) and the like by the tree control can be effectively lowered, the resource use ratio of the operating system is improved, and the problem that an interface is stuck and the like since the tree control excessively consumes the resources of the operating system is solved so as to fundamentally break through the node quantity restriction by the tree control.

The invention provides a multimedia file playing method and device, an electronic device and a storage medium, and relates to the technical field of information processing. The method comprises the following steps: when a trigger operation of a predetermined type is detected, sending a multimedia file acquisition request to a server; receiving at least two multimedia files sent by the server and preview information respectively corresponding to the at least two multimedia files; displaying preview information corresponding to the two multimedia files meeting the preset conditions on a displayinterface; and when a playing operation for a first multimedia file in the two multimedia files is detected, playing the first multimedia file through a preset player. According to the method and thedevice, a proper amount of the multimedia file is displayed to the user through the display interface of the terminal device, and the multimedia file is played through the preset player, so that the limitation of the system player on the played file is broken through, and the user experience is improved.

The invention mainly belongs to the technical field of antennas and relates to a fast agile multi-functional planar and quasi-three-dimensional antenna, in particular to a reconfigurable multi-functional antenna. The multi-function antenna is composed of the semiconductor plasma and the fast, large current, simple TFT matrix driving technology distributed direct drive arrays integrated into silicon, glass, sapphire, silicon carbide and other planar or curved dielectric substrates, the multi-function antenna can quickly, dynamically control the shape, size and the correct position to be in of the radiating elements constituting the planar array, the antenna frequency is reconfigurable, polarization reconfigurability, beam control and gain agility reconfigurability, sidelobe position and relative level reconfigurability, and combinations of these, like a two-dimensional printer, rapidly and agilely change the antenna from one function to another, transforming a planar or quasi-three-dimensional antenna into a multi-function planar or quasi-three-dimensional antenna.

The invention discloses a fusion protein of hepatic-targeted peptide and human interferon a2b, and a preparation method and application thereof. The nucleotide sequence of the fusion protein of hepatic-targeted peptide and human interferon a2b provided in the invention is described by SEQ ID NO. 1, and the amino acid sequence coded by the nucleotide sequence is described by SEQ ID NO. 2. According to in vitro tests, the fusion protein provided in the invention has obvious activity of resisting HBV and hepatocyte targeting. Since characteristics of both hepatic-targeted peptide of plasmodium circumsporozoite protein CSPI-plus and human IFNa2b are combined into the fusion protein in the invention, the fusion protein can be used for preparation of novel hepatic-targeted antiviral drugs and is of profound significance for lowering down morbidity and mortality of liver diseases caused by infection of HBV. According to the invention, the prepared fusion protein has a high expression level and is easy to purify, production period for the fusion protein is short, and low cost is realized; therefore, the invention has important application prospects and is of practical significance.

In order to solve the problem that existing electric fluid dynamic spray printing equipment cannot meet electric fluid dynamic spray printing of a flexible dielectric substrate, the invention provideselectric fluid dynamic spray printing equipment for the flexible dielectric substrate and a control method. The electric fluid dynamic spray printing equipment comprises a support, a spray printing module and a spray printing platform. The spray printing module is arranged on the support through an X-axis slipping mechanism and a Z-axis slipping mechanism, and a spray head is arranged on the spray printing module, and a working platform is arranged on the spray printing platform. The working platform comprises a bottom plate and a plurality of supporting assemblies, and each supporting assembly comprises a first position in mounting and a second position for supporting the flexible dielectric substrate to be subjected to spray printing to form a hook face in working. According to the method, the equipment is adopted to conduct spray printing. According to the electric fluid dynamic spray printing equipment and the control method, the flexible dielectric substrate to be subjected to spray printing can be arranged into the hook face of a preconceived object subjected to spray printing, the spray printing effect of the flexible dielectric substrate is good, and accurate forming of apattern on the complex hook face is achieved.

The invention relates to a back penetration type measurement method for film-substrate cohesion performance in the measurement technical field. An ejector rod is adopted by the invention to penetrate the basement system of a part to be measured. Load is arranged on the lower end of the ejector rod. And the ejector rod is pushed to make a film deformed in a way of bending. The defection and the load of the film are respectively obtained by corresponding sensors when loaded in a static load form. The film-substrate cohesion of the part to be measured under static load is worked out through the plate shell theory. When load is added in a dynamic form, a relationship between the crack growth length and the cycle number, which is used for evaluating the fatigue performance of the film, is built up through measuring the radius of a film salient area and recording the cycle number. The invention solves the technical problems in present technology that the precast of the part to be measured is complex and the basement system is limited by silicon material. The invention can quantitatively measure the film-substrate cohesion performance, precisely determine the film-substrate cohesion and obtain the fatigue performance parameters of the film.

In order to solve the technical problems of low efficiency and low resolution of the existing Fourier laminated microimaging technology to recover sample images, the invention provides a Fourier laminated microimaging device and method. The device comprises a computer, and a laser, a collimating lens, a liquid crystal beam deflecting device, a sample stage, a microscope objective, a pipe mirror and a camera, which are sequentially arranged along an optical path from bottom to top; an outgoing beam center of the collimating lens and the center of the liquid crystal beam deflecting device are both coincident with the optical axis of the microscope objective; the liquid crystal beam deflecting device modulates the angle of a beam incident on a sample to be tested according to a computer control instruction; and the beams of two adjacent angles separately illuminate the sample, the diffraction spectrum information obtained on a Fourier plane of the microscope objective has an overlapping ratio greater than or equal to 50%; the camera collects a microscopic image corresponding to each beam angle incident on the sample to be tested according to computer control instruction; and the computer is also used for performing fusion reconstruction on the microscopic images obtained by the camera at different beam angles to obtain a final sample image.

The invention relates to a method for recreating after a photographic work is printed on rice paper, which comprises the following steps: a piece of rice paper is selected; data of a photographic work is selected according to the code requirements, debugged in a computer through the front-end flow which is controlled by a color management system built by software and hardware, and stored as data for special output; multicolored mineral pigment ink and a high-precision ink jet printer which is matched with the multicolored mineral pigment ink are selected, and the selected photographic work can be printed and outputted on the rice paper by means of standardized mass production through the rear-end flow which is controlled by the built color management system of the computer; and secondary creation or creation for a plurality of times is performed on the rice paper with the outputted work, and finally a rice paper photographic printing artwork is formed. The method has the advantages that the method breaks through the image copying technology in common meaning and the traditional expression form of the traditional Chinese painting art, realizes harmonious fusion of a plurality of types of art and the copying technology, greatly prolongs the retention period of the photographic work, improves the value of the photographic work, and overcomes the defect of vulnerability when the photographic work uses a piece of printing paper. Simultaneously, the global universality of the photographic work can improve the value of the Chinese rice paper and carry forward the culture of the Chinese rice paper in the world.

The invention provides a method for producing a high-precision map based on a live-action three-dimensional model. The method specifically comprises the following steps: performing view angle transformation on a live-action three-dimensional model to acquire a multi-view-angle image; carrying out road network feature identification by using a multi-view image identification method; adopting an image panoramic segmentation method to segment an identification result, matching elements of a segmented live-action three-dimensional road network mode with existing graphic image elements in a resource pool, carrying out vectorization on a matching result and the segmented live-action three-dimensional road network model elements, and finely classifying reserved road elements; and obtaining a refined classification result, and finally obtaining a high-precision map. The method has the advantages that the problem that field collection is influenced by external conditions such as weather, road conditions and moving objects is solved, and the production cost of a high-precision map is greatly reduced; the live-action three-dimensional model serves as visual mapping of the real world, and while an existing high-precision map production mode is broken through, the precision and detail expression of the map are more perfect.

The invention provides a floating power station installation platform which comprises buoyancy tanks (1). The two ends of the top surface or the two side surfaces of each buoyancy tank (1) are respectively provided with a photovoltaic plate installation component; every two buoyancy tanks (1) form a platform unit; the buoyancy tanks (1) of the same platform unit are connected through a plurality of connection pieces (6); and the adjacent platform units are firmly connected through the connection pieces or matching structures on the adjacent side surfaces of the buoyancy tanks (1). A photovoltaic plate (9) is arranged above the water area between the two buoyancy tanks (1), and double continuous circulating cooling of the photovoltaic plate can be realized by fully utilizing the continuous circulating cooling principle between the photovoltaic plate and the water surface, thereby improving output power of the photovoltaic plate and prolonging the service life of the photovoltaic plate material. Besides, the buoyancy tanks (1) are in a solid structure, so that the buoyancy tanks (1) can be prevented from sinking down due to aging cracking with the passing of time, the buoyancy tanks can be recycled conveniently, and the floating platform is allowed to be more stable and firmer.

The invention provides a packing device. The packing device comprises an electronic display device with a display face and a packing box, wherein the packing box comprises a packing body, a first connection structure, a flexible connection structure and a transmission reflection component; the packing body comprises an accommodating structure and a support structure; the accommodating structure is used for accommodating the electronic display device; the transmission reflection component also comprises a first face and a second face opposite to the first face; a first end of the transmission reflection component is connected with a connection end of the accommodating structure through the first connection structure; a second end of the transmission reflection component is movably connected with a connection end of the support structure through the flexible connection structure; when the packing device carries out displaying, a virtual image of the electronic display device is formed on the second face side of the transmission reflection component. The invention also provides another packing device. The packing device provided by the invention brings the brand-new user experience.

The invention provides a large casting lost-foam resin sand casting process which comprises steps of mould manufacturing, mould assembling, paint spraying and drying, resin sand vibration-filling, bottom-injection type semi-closed casting system applying, a casting clearing process and the like. A large casting lost-foam model is processed in a programmed and digital manner; the mould material replace rare korean pine wood with reproducible low-cost EPS foam, so that a great deal of non-renewable resources are saved; meanwhile, the processing performance and efficiency are greatly improved. A pouring system is designed with a gas exhaust channel, so that complex operations such as operation of eliminating a mould cavity lost mould by adopting methods such as combustion, and the like are avoided, limit in aspect of a metal material of a lost-foam casting process is further broken through, and therefore, the application field is wider.

The invention discloses a virtual machine communication method based on hardware simulation. The method comprises respectively arranging a host agent and a virtual machine agent in a host and a virtual machine; the host and the virtual machine respectively communicating with the host agent and the virtual machine agent through message instructions; and the host agent communicating with the virtual machine agent through a virtualization front end device and a virtualization rear end device. The invention also discloses a virtual machine communication apparatus based on hardware simulation.

The invention relates to a stacked Cache system based on an SEDRAM, a control method and a Cache device, the stacked Cache system is integrated on a multi-layer bonding wafer and comprises a cache memory, a Cache controller and an SEDRAM controller; wherein the multi-layer bonding wafer comprises a storage wafer structure and a processor wafer structure; the SEDRAM unit is integrated in each layerof storage wafer in the storage wafer structure and is used as a storage space of the high-speed buffer memory; the processor wafer structure is integrated with a CPU, a Cache controller, an SEDRAM controller and a memory controller. According to the Cache system, the SEDRAM unit integrated on each layer of storage wafer of the storage wafer structure is used as the storage space of the cache memory, so that the capacity and bandwidth of the cache memory can be greatly improved, the hit rate of the cache memory is increased, the reading speed of hot spot data is increased, the hit rate of data read in a CPU is increased, and meanwhile, storage resources of the processor chip can be saved.