111 results about "Design proposal" patented technology

The invention discloses a remote Chinese teaching system based on speech emotion recognition, which comprises six modules of Chinese pronunciation practice, speech emotion processing, speech emotion analysis, user management, learning effect analysis and evaluation and curriculum management. Relevant theory of speech signal processing and statistical signal processing is used for analyzing the speech that users input in the speech emotion processing module to recognize different emotion states of the users, the corresponding mental states are analyzed in the speech emotion analysis module and the purpose of individual study according to the emotions of the users is realized through the dynamic interaction of the learning effect analysis and evaluation module, the curriculum management module and the user management module. The designed proposal carries out complete revolution of traditional teaching with an 'extreme equalitarianism, even distribution' type and really realizes a teaching type according to different people, time and things. Teaching proposals are designed according to the emotions of the users, and can effectively promote learning efficiency and integrate teaching and happiness.

The invention discloses a trusted platform module and an active measurement method thereof, which relate to the field of information safety. The trusted platform module TPM is a root of trust of a trusted computing platform and a core module of trusted computing; the invention points out CRTM constitution of a root core of measurement in a TPM chip and a problem of establishing an information chain, proposes a new design proposal of the trusted platform module and the measurement method with an active mode based on the trusted platform module, designs the root of trust for measurement of the platform in the trusted platform module, solves the safety threat on the root of trust caused by tampering the BIOS and utilizes the module as the root of trust to establish a trust chain with the active mode. The invention names the module as a Trusted Platform Control Module TPCM and reflects the control function of the root of trust in the whole platform.

The invention provides a comprehensive diagnosis method and a diagnosis system thereof for diagnosing the defects of a substation grounding grid. The diagnosis method establishes the topology model of the substation grounding grid and the software arithmetic of the grounding diagnosis system which takes a node voltage optimization model as a core; corresponding current excitation nodes and potential reference nodes are found out in the substation grounding grid and voltage measurement sensors are arranged at all nodes; after excitation signals are applied to the current excitation nodes, the sensors obtain the detection signals and transmit the detection signals to the comprehensive diagnosis system which is used for diagnosing the defects of the substation grounding grid and connected with the sensors; the software arithmetic of the comprehensive diagnosis system for diagnosing the defects of the substation grounding grid is used for calculating relevant parameters of the grounding grid branch resistance, thus determining the positions of the failure defects of the substation grounding grid; the diagnosis system consists of a power supply device, a filter device, a data collecting device and a background PC machine and has the advantages of reasonable design proposal, convenient operation, exactly detecting the defects of the main net of the grounding grid and the grounding down lead wire without excavating the ground surface, and the like.

The invention discloses a method for the cooperative acquisition of multi-target videos in different resolutions by a variable-focus array camera in a monitor system with large scene and multiple targets, aiming at controlling the array camera to realize the cooperative acquisition of videos in the low-resolution scene and videos of a plurality of targets in the scene under different resolutions on the basis of the analysis and the comprehension of video images in scenes. The design proposal thereof comprises: utilizing N variable-focus low-resolution cameras to shoot the same scene, wherein one camera shoots the entire scene and the rest N-1 cameras are used for shooting the targets in the scene, computing the working parameters of the camera according to the quantity, the position and the dimension information of the targets in the scene, controlling the array camera to realize the cooperative acquisition so as to obtain the scene videos and the target videos under different resolutions, and then obtaining and displaying clear video images in the scene by an image fusion technique. The method can realize the acquisition of multi-target high-resolution videos and high-quality scene videos at low cost in case of large scene dimension, and is used for video monitor system.

The invention discloses a method for realizing automatic and smooth switch among various network topology structures and network device thereof; A computer or the network device is connected with a physical-layer chip by a network isolating transformator connecting switch unit; the physical-layer chip processes network signal and sends the signal to a network switching chip connected with the physical-layer chip; the network switching chip is applied to the virtual local-area network technology (VLAN) and is controlled by the control signal of a control unit for carrying out switch among different network topology structures and realizing different network channels formed by a plurality of computers and network devices. The method realizes instant dynamic switch of the different network topology structures and solves the problems that frequent network-cable jumping can easily breakdown the network devices, the abrasion is high, and the service life and working performance of the network devices are affected by the traditional method of group network switch. By applying the physical-layer chip and the switching chip, and combining a control technique of a mono-plate processor, a designing proposal of a digitized circuit which mainly takes an integrated circuit chip as the circuit is formed, a universal network switch is replaced, fund repeatable investment is reduced and the application efficiency is improved.

The invention discloses a synchronous rectification external drive circuit, which comprises a main transformer (T1) with a primary winding and a secondary winding, a first synchronous rectifier (Q1) and a second synchronous rectifier (Q2), a first output inductance and a first external drive circuit (12); wherein, the drain electrodes of the first synchronous rectifier and the second synchronous rectifier are respectively connected with the secondary winding of the main transformer; one end of the first output inductance is connected with the secondary winding of the main transformer; the first external drive circuit receives external drive signals of the first synchronous rectifier and the output thereof is connected with a grid of the second synchronous rectifier (Q2) and controls the breakover and cutoff of the second synchronous rectifier (Q2). The design proposal of the synchronous rectification external drive provided by the invention solves the problem that the synchronous rectifier of a supply converter in the prior art is not shut off timely or the shutoff time is so long to cause that the output voltage inversely irrigates and the output presents the negative pressure. The circuit is simple, has low cost, wide applicability and high effect.

The innovation of the invention is to provide a proposal for an ultrasonic velocity combustion chamber with a novel step/groove composite jet structure. The proposal is characterized in that fuel nozzles are additionally arranged in the front of a step and a groove of the combustion chamber and are jointly used for fuel jet and use in the combustion chamber. In the design proposal, design proposals of a jet structure of the step and a fuel nozzle structure in the front of the groove are applied in the ultrasonic velocity combustion chamber, and correspondingly improved types of the ultrasonic combustion chambers thereof. The proposal of the designed composite jet structure can ensure evenly jetting of fuel in the ultrasonic velocity combustion chamber, and achieve full mixing of the fuel and air in a low-speed flowing area in the combustion chamber, so as to ensure ignition and stable combustion of the fuel in ultrasonic velocity air flow. Compared with the proposal of a nozzle in the prior ultrasonic velocity combustion chamber, total pressure in the combustion chamber has little loss, thereby shortening structural size of the ultrasonic velocity combustion chamber, improving performance of the whole ultrasonic power system, and having considerable potential economic benefit and value. The proposal for the ultrasonic velocity combustion chamber mainly comprises designs of parts such as the step jet structure in the combustion chamber, the groove, the jet structure in the front of the groove.

The invention belongs to a melting-zone shape-factor model solving method based on high-energy density beam welding joint mechanical properties, which is suitable for the electron beam welding technique of various metals. The invention takes the traditional thermodynamics as a base and starts from the theory of electron beam welding to realize parameterized reproduction of the melting-zone shape by abstracting the shape features of the joint melting-zone and to get a qualutative model of the melting-zone shape-factor in virtue of temperature field analysis and dimensional analysis, i.e. to solve the mathematical model of the melting-zone shape-factor by numerical solution. With the strong support of mathematical and thermodynamics basic theories, the theory base of the established model is good and can easily explain and elaborate the physical theory of the shape-factor mathematical model. The solution of the melting-zone shape-factor mathematical model changes the prior state that the welding mainly depends on experiences, and is good for technicians to regulate processes and design proposals; the model fully takes impacts of various factors into account so as to reduce the process test times.

The invention relates to a technical field of electric pile manufacture for a flow battery. A special elastic plate adopted in the frame of every layer of the electric pile increases the sealing performance of every layer; a design proposal that an embedded guide plate is adopted in a main runner of electrolyte increases the service efficiency of battery materials like septum and electrode; a feeding method that multiple path main runners are parallel and horizontal is realized by adopting a drainage distribution plywood to equate the pressure at an entrance and an exit of electrolyte in different electrode cavities and equate the pressure of electrolyte at different entrances and exits in the same electrode cavity; electrolyte flows evenly on the surface of the electrode by adopting the structure of diversion trunking; the maximized area of support septum avoids cross inleakage of the anode and cathode electrolyte of the septum at the entrance and reduces the loss of self discharge; efficiency of assembling is increased by adopting a interlock location frame to locate the multilayer battery structure. The electric pile provided by the invention has the advantages of simple structure, convenient manufacture and installation, reliable sealing, even flowing and stable operation of the electrolyte.

The invention provides a type selection design method of a main controllable pitch propeller used for a ship, belonging to ship design and manufacture field. According to the existing parameters of a hull, a host machine and a gearbox, the diameter H of a hub is selected; furthermore, the blade diameter D, the blade area ratio EAR, the pitch ratio P/D, the efficiency Eta, and the blade number z of the controllable pitch propeller are determined according to the maps of fixed pitch propeller series; the mass and the movement inertia of the controllable pitch propeller blade are determined according to experimental formula; strength checking and bearing capability checking to the hub are carried out, and the application performance requirement of the controllable pitch propeller is well met. The invention obtains the type selection design proposal, with the advantages of good safety and reliability, small design fund investment, simplified program, short design period, good system performance, convenient data processing, convenient management with computers, exact and reliable data, smaller error compared with post-design, little changes on the parameters determined by the type selection design in the process of the post-technology design of the controllable pitch propeller, convenient adjustment, thus simplifying the post-design flow, shortening the period and improving the efficiency.

The invention relates to a bistable composite film of polymer dispersed liquid crystals and a manufacturing method thereof. The composite film is composed of two pieces of flexible transparent conducting film and a layer of polymer dispersed liquid crystals, wherein, the two pieces of flexible transparent conducting film are etched with a coplanar conversion electrode; the layer of polymer dispersed liquid crystals is highly active polyurethane acrylic ester; the liquid crystals are nematic phase liquid crystal molecules with large birefringence. When imposing a coplanar horizontal electric field, the bistable composite film of the polymer dispersed liquid crystals is in closed and scattering state and still keeps the scattering state after the electric field is eliminated; when imposing a coplanar comb-shaped electrode short-circuit on an opposite electric field, the bistable composite film of the polymer dispersed liquid crystals is in open and transparent state and still keeps the transparent state after the electric field is eliminated. The bistable composite film of the polymer dispersed liquid crystals has the manufacturing method that: after being mixed, the highly active polymer and the nematic phase liquid crystals with the large birefringence are separated to form the structure that the polymer wraps crystal liquid droplets. The invention uses the simple design proposal and depends on changing the direction of the electric field to realize zero field stability of the polymer dispersed liquid crystals so as to further acquire an electronic-paper technology with better energy conservation; or the bistable composite film of polymer dispersed liquid crystals can be specially applied to the fields of building decoration and jewelry counters and so on as a dimming function film which is clipped in glass.

The invention relates to an open platform for supporting design, verification and validation of a telex flight control system, which is composed of five function modules, namely 1) a demand analysis, verification and refinement environment module of the telex flight control system; 2) a design, verification and validation environment module of the telex flight control system; 3) a hardware design environment module of the telex flight control system; 4) a project development environment module of flight control software; and 5) a system-level entire digitization, entire duty simulation test and confirmation environment module of the telex flight control system. The open platform can assist flight control system engineers to carry out demand analysis and validation of the telex flight control system, system overall design, verification of a design proposal, system hardware design, system software project development, system-level entire digitization, entire duty simulation test and confirmation to solve the problems of long development cycle, high cost, large risk, and the like brought by development environment. The open platform has wide use value and application prospect in the technical field of system projects.

The invention relates to the field of computer motherboard, in particular to a Loongson 3A+2H chipset computer motherboard based on VPX standard. The computer motherboard comprises a Loongson 3A quad core processor, a Loongson 2H bridge plate, a motherboard and a hard disk, wherein the main frequency of Loongson 3A quad core processor is 1 GHzz, the processor uses on-board SATA base to are connected with SATA hard disk, the capacity of hard disk is 256GB, the link table of Loongson 3A quad core processor has memory of 4G; motherboard use VPX architecture and can provide 1 group of KB/MS mouse and key interface, 8 lines of URAD signal, 1 group of VGA display signal, 1 group of DVI display signal, 6 groups of USB 2.0 data signal, 3 groups of Ethernet signal and 1 group of PCIE*1 signal; the motherboard uses domestic Loongson 3A processor and Loongson 2H bridge plate. The software and hardware of the motherboard realize autonomous control. At the same time, the motherboard uses VPX architecture, the design proposal of on-board hard disk and memory of table improves the reinforcement performance greatly.

The invention discloses a low carbon magnesia-carbon brick containing metallic iron, which belongs to a refractory material. According to the design proposal provided by the invention, the material contains 1 to 8 percent of metallic iron, and the balance being 83 to 94 percent of magnesia; 1 to 6 percent of carbon element, the material is bonded by 2.5 to 5 percent of carbon-containing bonding agent; and a small amount of antioxidant can also be externally added. Compared with an ordinary magnesia-carbon brick, the performance of the low carbon magnesia-carbon brick has the characteristics of less carburization to molten steel and difficult pollution to ultra-low-carbon steel. The magnesia is a main component which ensures that the magnesia-carbon brick has good slag corrosion resistance. The carbon element is one of the main components, which ensures that the magnesia-carbon brick has good slag penetration resistance and good thermal shock performance. The adding of the metallic iron improves the thermal conductivity of the low carbon magnesia-carbon brick; and the metallic iron produces a liquid phase at high temperature for reducing internal stress, thereby improving the thermal shock resistance of the low carbon magnesia-carbon brick.

The invention relates to a method for optimizing an automobile product development system based on hierarchical decomposition. The method comprises: determining an optimized product development target; transmitting the development target in the entire vehicle hierarchy to lower hierarchies, namely the system hierarchy and the component hierarchy; realizing synergistic optimized solving among various hierarchies; and realizing the flexibility of a development task and modularized execution of development subtasks by combing the method with a multidisciplinary design optimization method. The invention provides the method which has quick convergence speed and high solving quality and can simultaneously realize optimization of development performance indexes and a design proposal in the entire vehicle hierarchy, the system hierarchy and the component hierarchy.

The invention belongs to the technical field of photoelectric image transmission, can be used for a plurality of aspects of dynamic scene simulation, optimum design and performance evaluation of the optical measurement system. The invention provides a design proposal and a hardware platform for implementing dynamic image transmission. A high speed data interface, a logical programmable device, a digital-analog conversion chip and a static memory are used for building a hardware platform, by rationally designing the firmware program, the device driver program and an upper computer application program, the high speed image data can be transmitted by the interface from the upper computer, a lower computer can generate row and field synchronizing signals on the microminiature liquid crystal pattern generator to display dynamic image by the XGA video form after buffer processing the image data. The invention introduces the microminiature liquid crystal pattern generator into the photoelectric image transmission technology for the first time, and takes the dynamic image on the microminiature liquid crystal pattern generator as the dynamic scene simulated background, decreases the dimension volume of the optical system, enables the system to be much more compact, and introduces the digitalization, automatization and microminiaturization into the optical parameter measuring instrument.

The invention provides a system for converting media formats and a method thereof, which are applied to digital home. The system comprises a media server and a media player, wherein, the media server is connected with the media player through a digital home network; an independent transcoder program is arranged to be in charge of particular media format converting process; the media server controls transcoding preparation of the media format through configuration files, which means that a proper transcoder program is prepared according to the requirement of media transcoding with different formats. The invention overcomes the defects in the prior art, designs and realizes an expandable and configurable design proposal of external transcoding against media transcoding service of IGRS media server software. Furthermore, the invention also provides a method based on FIFO, which can support functions of transcoding, transmitting media data flow, and playing at the same time.

A vehicle speed detection radar design and signal processing method is embodied by a radar design proposal for achieving the comprehensive aims of low price, high performance and small size. A radar is composed of two parts of a radar front end and a high-speed digital signal processor; and the front end of the radar is composed of a transmitting micro-band array antenna, a receiving micro-band array antenna, a voltage control microwave source with a frequency stabilization circuit, a dual-line balanced mixer, a dual-channel Doppler signal amplification-filter circuit and a dual-channel analog-digital conversion circuit. The front end of the radar uses the integrated design on the structure and the electricity, and the high-speed digital signal processor uses the fast discrete Fourier transform and the orthogonal signal processing methods to obtain the target speed value. The micro-band array antenna of the invention has good direction, so the radar can respectively monitor each lane; a radar system has fast response time and can detect the vehicles which excessively exceed the speed limit; the radar system simultaneously has thinner size, good anti-interference performance, low material cost and low processing cost.

The invention discloses a line card device provided with strong QoS function and a designed method thereof. The method comprises the following steps that: an upper sending channel between a plurality of network processors of the line card and a Host CPU is provided with a flow managing module, an upper sending channel bus is connected with the flow managing module by a plurality of network processors of the line card, a plurality of network processors classify the received messages and pick up the sent messages to be sent to the flow managing module; the flow managing module classifies and caches the messages sent by different network processors, the priority level of the send messages is divided and sorted as well as sent orderly; the Host CPU processes messages sent by different network processors by the flow managing module, the processed messages are respectively sent to a UPC and sent to the corresponding network processors by the flow managing module. The invention overcomes the shortcomings in the designed proposal of the line card and improves the quality of the whole device QoS finally.

An energy-conservation low-voltage set aluminum electrolytic bath has a structure that a bath structure is provided with a cut-off device which can adjust the height of an interface of an aluminum liquid layer generated inside the electrolytic bath and can control the flow rate of the aluminum liquid, as well as an aluminum liquid storing tank which can carry out electrode heating for an aluminum liquid inside an aluminum containing tank and ensure that the generated aluminum liquid inside the electrolytic bath flows into the aluminum containing tank through a diversion hole under the control of the aluminum liquid cut-off device. The energy-conservation low-voltage set aluminum electrolytic bath solves the problems that the prior commonly used electrolytic bath can not realize continuous timely discharge and manual adjustment and control of the generated aluminum liquid; meanwhile, a feasible design proposal for the energy-conservation low-voltage set aluminum electrolytic bath is provided in order to realize timely discharge of the generated aluminum liquid inside the electrolytic bath under the condition of an electrolytic operating mode, to eliminate the negative influence on electrolyte height, namely high polar distance and high voltage set caused by a magnetic field and a magnetic rotational flow generated by an aluminum liquid layer, and to reduce the electricity consumption during manufacturing electrolytic aluminum under the condition that the electrolytic bath is in an operating mode of low polar distance and low voltage; moreover, the design proposal for the feasible energy-conservation low-voltage set aluminum electrolytic bath ensures that a voltage of the tank can be set lower than 3.75mV.

The invention relates to a novel aluminum electrobath. The aluminum electrobath is characterized in that the aluminum electrobath adopts an aluminium liquid overflow chute which can adjust the liquid level and the flow rate of aluminium liquid in the aluminum electrobath and the temperature of an aluminium holding pool in order that the aluminium liquid of the upper surface of a cathode block smoothly flows into the aluminium holding pool through an overflow hole along the upper surface of the cathode block with certain gradient of certain slope; and in the electrolysis process, the thickness of a resistance layer of the aluminium liquid in the aluminum electrobath is reduced through a mode of adjusting the height of the aluminium liquid in the aluminum electrobath, thereby achieving the aims of reducing the process pressure drop of electrolytic aluminium and the power consumption of the electrolytic aluminium. Simultaneously, the aluminium holding pool on the aluminium liquid overflow chute can be used as an alloy addition molten pool. A structure of the design proposal of the novel aluminum electrobath is adopted to implement reconstruction on the prior universal aluminum electrobath and can substantially reduce power consumption per ton aluminium.

The invention belongs to a kitchen cooker pan, and more particularly relates to an overflow-proof method, a manufacture method of an overflow-proof energy-saving pan, a fan, a flue and a wind injection hole, a manufacture method of an overflow-proof steam cooker, a design proposal and a manufacture method used for an insulated energy-saving heating body, three energy-saving methods, a manufacture method used for a conjoined pan, a manufacture method used for the inter boiler of an electric cooker which uses no TFLON coating and has no phenomenon of pan bonding, oil spattering and smoke, and a design method used for a new-generation computer chip. The methods are characterized in that the edge of the pan is provided with the flue; the wind inlet and the wind outlet of the flue are communicated with each other; the flue is provided with a wind injection hole. When in use, the kitchen cooker pan leads the wind generated by the fan to be injected into the pan from the wind injection hole and break the air bubbles generated when the wind flows through the flowing food. According to the experience, no mater what flowing food is cooked, the flowing food is not overflowed out of the pan.

The invention discloses a solar panel and the production method, at least one group of mounting positions of a solar wafer are arranged on one surface of a PCB plate of the solar panel, a plurality of pads which are staggeredly distributed are arranged on each group of mounting positions to be respectively connected with a positive electrode and a negative electrode of the solar wafer; the solar wafer is mounted on each group of mounting positions, each solar wafer constitutes a single cell; two electrode pads are further arranged on the same surface of the PCB plate, all single cells which are composed of solar wafers are connected in series or in parallel by conducting strips and then are respectively connected with two groups of electrode pads, wherein, one group of the electrode pad is used as the positive electrode output of a power, and the other group of the electrode pad is used as the negative electrode output of the power. The invention completely overcomes the shortcoming that an existing solar panel must be welded manually and provides the structural design proposal of the PCB plate to be used in the production of high-efficient mass solar cell panels by adopting advanced SMT process in advance.

The innovation of the invention is to provide a proposal for a superacoustic combustion chamber nozzle with a novel structure. The proposal has the characteristic that fuel nozzles are arranged in front of a combustion chamber groove and at the front wall surface of the groove. The design proposal applies the structural design of the groove and the fuel nozzles at the groove in a superacoustic combustion chamber and an improved type superacoustic combustion chamber, and can ensure that fuels are evenly injected in the superacoustic combustion chamber for achieving sufficient mixing, thereby ensuring the ignition and stable combustion of fuels in superacoustic air flow. Compared with the prior nozzle proposal of the superacoustic combustion chamber, the design proposal has the following advantages: the fuels are evenly injected, fully blended, ignited stably and combusted stably, thereby shortening the structural size of the superacoustic combustion chamber, improving the size of the whole superacoustic power system, and having considerable potential economic benefit. The superacoustic combustion chamber nozzle with the novel structure mainly comprises struts in the combustion chamber, the groove and the fuel nozzles in front of the groove and in the groove.