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595results about How to "Functional" patented technology

Primary frequency modulation and virtual inertia response control method and device for wind power plant station

The invention discloses a primary frequency modulation and virtual inertia response control method and device for a wind power plant station and belongs to the technical field of power grid frequency modulation. The wind power plant station comprises a wind turbine generator set and a centralized flywheel energy storage array system connected with the wind turbine generator set. The method comprises the following steps of: receiving instruction information issued by an automatic power generation control system, acquiring voltage, current and power grid frequency at the grid-connected point of the wind power plant station in real time; and controlling the wind turbine generator set and the centralized flywheel energy storage array system to perform primary frequency modulation or virtual inertia response according to the voltage, the current, the power grid frequency and the frequency change rate corresponding to the power grid frequency. According to the method and device of the invention, the centralized flywheel energy storage array system is configured in the wind power plant station, and the centralized flywheel energy storage array system is controlled to charge and discharge to participate in the primary frequency and virtual inertia response of a power grid, so that the wind turbine generator set has primary frequency modulation and inertia response capabilities under full-working-condition operation, and the stability and disturbance rejection of the wind turbine generator set are improved; and the operation economy of the wind power plant station is improved.
Owner:沈阳微控新能源技术有限公司

Intelligent speech interactive system in converged communication and method for implementing same

The invention discloses an intelligent speech interactive system in converged communication and a method for implementing the same. The system comprises a plurality of intelligent terminals, a plurality of speech processing progress units and a speech server, wherein each speech processing progress unit comprises a front-end speech acquisition device, a real-time transmission module, a speech synthesis module and a speech recognition module; each intelligent terminal is connected in series with the speech processing progress unit respectively and then communicated with the speech server; and the front-end speech acquisition devices are connected in series with the speech synthesis modules and the speech recognition modules in sequence respectively and then communicated with the speech server, and the output ends of the front-end speech acquisition devices are connected in series with the real-time transmission modules and then connected with the input end of the speech server. The method comprises the following steps that: firstly, the terminals acquire audio data to record the speech; and secondly, the terminals send the text information to the server, and the server converts thetext information into the audio information, so that the service of Text-to-speech is realized. The system is simple in structure and has strong robustness.
Owner:XIHUA COMM SUZHOU +1

Inorganic fiber prepared by utilizing industrial tailings and preparation method thereof

InactiveCN102515554ARealize comprehensive utilization of high added valueFunctionalGlass making apparatusIndustrial wasteSurface finishing
The invention relates to the field of inorganic fiber materials, and in particular relates to an inorganic fiber prepared by melting industrial wastes at a high temperature, such as iron tailings or copper tailings, and a preparation method thereof. The inorganic fiber comprises the following raw material components by weight percent: 30-80% of industrial tailings, 0-20% of aided component, 20-40% of coke or coal and the balance of adjuvant and surface treatment agent, wherein the weight of the adjuvant accounts for 0.2-10% of that of the industrial tailings, and the weight of the surface treatment agent accounts for 0.1-5% of the industrial tailings. The preparation method comprises the following steps of: adding the necessary aided components and coke or coal in the industrial tailings and adding the necessary adjuvant, fully mixing and pelleting; carrying out high temperature melting in a cupola furnace or a tank furnace; and under the condition that viscosity of high temperature melt is controlled, forming fiber by utilizing centrifugal wire throwing equipment and spraying the surface treatment agent, and cooling to obtain the inorganic fiber. According to the invention, the fiber has good functionality and high value-added comprehensive utilization of the industrial tailings is achieved, thus the inorganic fiber disclosed by the invention can be widely applied to the fields of heat isolation, sound isolation, heat preservation and insulation materials, asphalt modification and the like, has a good application prospect and is especially suitable for the field of building heat preservation materials.
Owner:丁向群 +3

Vehicular overhead line system running state detection data analyzing and processing system and method

The invention discloses a vehicular overhead line system running state detection data analyzing and processing system and method. The system comprises a data acquisition module used for acquiring position information of a detection apparatus and suspected defect alarm information in a real-time manner and achieving real-time tracking of the detection apparatus states; a verification preprocessing module used for verifying the position information of the detection apparatus and the suspected defect alarm information to judge whether the information is valid or not, and parsing valid information and further sending parsed data to a GIS processing module according to information types; and the GIS processing module used for integrating the position information of the detection apparatus and the suspected defect alarm information to a GIS map by referring to a GIS map database and creating a dynamic distribution map containing the position information of the detection apparatus and the suspected defect alarm information. By displaying the position information of the detection apparatus and the defect alarm information in the GIS map, the system makes the specific position of defects clearly checked in a visualized graphic interface in a direct-viewing way.
Owner:CHENGDU NAT RAILWAYS ELECTRICAL EQUIP

Ultra-light double-sided weft knitted checkered fabric with moisture absorption and sweat releasing functions and production method of checkered fabric

The invention provides ultra-light double-sided weft knitted checkered fabric with moisture absorption and sweat releasing functions. The ultra-light double-sided weft knitted checkered fabric with the moisture absorption and sweat releasing functions is interwoven by 50D/48F fine-denier polyester filaments and 50D/48F fine-denier polyester draw texturing yarn through moisture absorption and sweat releasing treatment, and the mass ratio of the fine-denier polyester filaments to the fine-denier polyester draw texturing yarn is 65%:35%. The invention further provides a production method of the ultra-light double-sided weft knitted checkered fabric with the moisture absorption and sweat releasing functions. The production method comprises a knitting procedure and an after-treatment procedure. The fine-denier polyester filaments and the fine-denier polyester draw texturing yarn are adopted for loop formation and inactive weaving, so that the fabric not only is light in mass, but also has a concave-convex three-dimensional effect and good breathability; the mass ratio of the fine-denier polyester filaments to the fine-denier polyester draw texturing yarn is controlled to be 65%:35% accordingly, the woven fabric has good elasticity and facilitates movement of people; with adoption of the moisture absorption and sweat releasing functional finishing, reduction cleaning and pickling technologies, the fabric has good moisture absorption and sweat releasing functions and feels soft.
Owner:QUANZHOU HAITIAN MATERIAL TECH CORP

Multifunctional absorbing rotary cutting machine of soft tissue in human body enterocoelia

The invention relates to a multifunctional absorbing rotary cutting machine of soft tissue in human body enterocoelia. The multifunctional absorbing rotary cutting machine comprises an outer cutter device, an inner cutter device, a power socket, a motor, a handle, a gas port seat, a nut, a ball, a connecting sleeve, a connecting seat, a spring, an inner cutter inserting seat, an absorbing pipe, an absorbing connector, a connecting pipe and a sliding seat, an air flushing port is formed in an outer cutter pipe, the gas port seat is fixed with an outer cutter pipe seat, a neck is formed in the outer cutter pipe seat, a connecting hole and a connecting groove are formed in an inner cutter seat, a motor shaft is connected with the connecting groove in a matching mode, the ball is clamped on the connecting pipe, the ball is matched with the neck, the sliding seat is sleeved on the connecting pipe, the spring is sleeved on the connecting pipe, the connecting sleeve is sleeved on the spring and the connecting pipe, the spring is connected with the sliding seat, the rear portion of the connecting sleeve is fixed with the connecting pipe, the connecting seat is fixed with the connecting sleeve, and the absorbing pipe is connected with the handle. The gas port seat, a clearance groove and the air blushing port are communicated to form an inflating channel, and the inner cutter pipe, the connecting hole, the absorbing pipe and the absorbing connector are communicated so that an absorbing channel is formed. The multifunctional absorbing rotary cutting machine is reasonable in structure, has the functions of inflating and absorbing, and is good in operation result.
Owner:杭州桐庐医达器械设备有限公司

Adjustable mechanical-electrical integrated cutting knife

The invention discloses an adjustable mechanical-electrical integrated cutting knife which comprises a workbench, an operating floor, a cutting knife body and a base. The operating floor is arranged on the upper surface of the workbench. Sliding grooves are formed in the left end and the right end of the upper surface of the operating floor. Sliding blocks are arranged in the sliding grooves. A support is fixedly arranged at the upper ends of the sliding blocks. Pins are arranged in the lower end of the support. The upper ends of the pins penetrate through the surface of the outer side of the lower end of the support. The cutting knife body can be controlled by a rotary shaft to select any angle for cutting. The purpose of cutting at any angle can be achieved without changing the placing position of an object. Operation is easy, using is convenient, the cutting efficiency is improved, the position can be changed according to actual requirements, different portions of the object can be cut conveniently during cutting, the cutting efficiency is high for an object needing to be cut repeatedly, in addition, protecting grooves corresponding to the cutting knife body are formed in the upper surface of the operating floor, the cutting knife body is not prone to damaging the surface of the operating floor, and the cutting knife is suitable for popularization.
Owner:洪灵坪

Multi-channel high-precision PWM signal sampling and generation device

InactiveCN103762964AWith PWM samplingFunctionalPulse combined modulationTransceiverFpga chip
The invention discloses a multi-channel high-precision PWM signal sampling and generation device. The multi-channel high-precision PWM signal sampling and generation device at least comprises a bus transceiver, a crystal oscillator, a microprocessor and an FPGA chip. The FPGA chip at least comprises a PLL clock frequency multiplication module, a clock frequency division module, a PWM period sampling module, PWM pulse width sampling modules, a PWM sampling register bank, a PWM generation latch set, PWM signal generation modules and a decoding interface module, wherein the PWM period sampling module, the PWM pulse width sampling modules and the PWM signal generation modules are respectively provided with a us counter and two ns counters, the us counters and the ns counters are used for carrying out coarse counting and fine counting, and high-precision PWM sampling and high-precision PWM generation are achieved; the PWM sampling register bank can carry out synchronous latching on data, and the PWM generation latch set can carry out synchronous output of the data. When the multi-channel high-precision PWM signal sampling and generation device is adopted, PWM sampling and generation precision can be improved, and can reach the ns level, PWM sampling and generation channels can be easily extended, and the multi-channel high-precision PWM signal sampling and generation device is applicable to systems such as an unmanned aerial vehicle flight control system with the requirement for the PWM sampling and generation function.
Owner:BEIHANG UNIV

Long-rubber-barrel differential pressure type water filling packer capable of washing well

Provided is a long-rubber-barrel differential pressure type water filling packer capable of washing well. For overcoming the shortcomings of set sealing after well washing, non-tight sealing, blocked well washing, complicated structure and poor well washing mode caused deblocking of an existing long-rubber-barrel differential pressure type water filling packer during well washing. The long-rubber-barrel differential pressure type water filling packer comprises a seat seal assembly, a rubber barrel seal assembly, a well washing assembly and deblocking device, wherein an upper connector, an upper central pipe, a bridge type connecting sleeve, a lower central pipe and a lower connector are sequentially and fixedly connected from top to bottom to form a fixed tubular column, and the well washing assembly is installed on an upper central pipe between the upper connector and the axial direction of the bridge type connecting sleeve. The seat seal assembly is installed between the lower end of the bridge type connecting sleeve and the axial direction of the lower connector. The rubber barrel seal assembly is installed on an outer circle of the outer central pipe of the seat seal assembly. The long-rubber-barrel differential pressure type water filling packer has the advantages that the long-rubber-barrel differential pressure type water filling packer is reasonable in structural design, the seat sealing, well washing, sealing, deblocking functions are independently designed, opening and closing of a well washing valve can be controlled through well mouth operation, and the best effect of separated layer water injection is achieved.
Owner:DRILLING TECH DEV CO LTD OF TIANJIN DAGANG OILFIELD PETROLEUM ENG INST +1

Multifunctional mechanical working table capable of working in multi-angle mode

The invention discloses a multifunctional mechanical working table capable of working in multi-angle mode. The working table comprises a machine tool, a mounting plate is arranged on one side of the machine tool, and first electromagnetic sliding rails are arranged on the two sides above the mounting plate; the top of the first electromagnetic sliding rail is provided with two sets of first electromagnetic sliding blocks, and a first installation base is arranged above the first electromagnetic sliding block; an installation groove is formed in the top of the first installation base, and foursets of lifting pneumatic cylinders are arranged in the installation grooves, the top of the lifting pneumatic cylinder is provided with a piston rod, and the top of the piston rod is provided with afixing block; and a second installation base is arranged at the top of the fixed block, and an installation hole is formed in the inner side of the second installation base. The workbench is providedwith a cutting table and a grinding table, a cutting structure and a grinding structure on the mechanical table cooperate, so that the function of the working table is more comprehensive, the polishing operation of the hardware can be realized, the cutting operation of the hardware can be realized, and the functionality is stronger.
Owner:肇庆市高要区博斯五金制品有限公司

Water electrolysis device and control method thereof

The invention discloses a water electrolysis device with a purification function and a control method of the water electrolysis device. The water electrolysis device comprises a raw water tank, a purified water tank, a water pump, an electrolytic cell, a water discharge device and an engine base, wherein the raw water tank is used for storing raw water; the purified water tank is used for storing purified water; the electrolytic cell is used for generating electrolytic water; and the water discharge device is used for electrolyzing generated alkali water. The water electrolysis device also comprises a filtration system for purifying the raw water, wherein the filtration system is connected with the raw water tank, the purified water pump, the water pump, the electrolytic cell and the water discharge device in series on a water channel. The water electrolysis device further comprises multiple intelligent control devices. The water electrolysis device simultaneously has purification and electrolysis functions, and the quality of drinking water is fully ensured; the water electrolysis device is safe to use because multiple intelligent control devices are arranged in the water electrolysis device, and the water electrolysis device is reliable in structure design, thereby greatly facilitating the cleaning and maintenance of the water electrolysis device.
Owner:QINYUAN GRP CO LTD

Belt conveyor vibration sweeping device

The invention discloses a belt conveyor vibration sweeping device, and relates to the technical field of belt conveyors. The belt conveyor vibration sweeping device comprises a roller, a suction pipecommunicating with one end of the roller and a vibration shaft fixedly connected with the other end of the roller, wherein the outer wall of the roller is provided with bristles and absorption holes,the bristles and the absorption holes are arranged at intervals, a negative pressure air fan is arranged in the suction pipe, the negative pressure air fan is driven by a drive shaft of a conveying belt to rotate, a magnetic separation box is arranged between two ends of the suction pipe, and a vibration structure which drives the roller to vibrate in the direction perpendicular to the conveying direction of the conveying belt is arranged at the other end of the vibration shaft. The belt conveyor vibration sweeping device can perform sweep magnetic separation and collection on residues on thesurface of the conveying belt and in cracks of the conveying belt, is practical in function and convenient to use, is strong in sweeping force due to the fact that a hairbrush can move relatively to the conveying belt in two directions, and furthermore is compact in structure and low in cost due to the fact that the sweeping device and the conveying belt share the same drive.
Owner:长沙雾谷智能科技有限公司

Check anti-water-bursting grouting rock bolt

InactiveCN103206234AWith backstop pressureFunctionalBulkheads/pilesAnchoring boltsEngineeringGrout
A check anti-water-bursting grouting rock bolt comprises a grouting pipe, a hole wall plugging apparatus and a grout ejection hole which is arranged on the grouting pipe. A hole check valve is arranged in the grouting pipe and composed of a check valve screw, a spring adjustment nut, a compression spring stopping sheet, a compression spring, a locating check ring, a pin base, a fast screw pin, a closed sleeve and a closed ball. The grouting pipe is provided with a through hole, the closed sleeve is fixed on the grouting pipe through the fast screw pin, the pin base is arranged outside the closed sleeve and provided with a mounting hole, the locating check ring is arranged outside the mounting hole of the pin base, the check valve screw is connected with the closed ball through the mounting hole of the pin base and the locating check ring, the compression spring is arranged on the check valve screw, the compression spring stopping sheet is arranged outside the compression spring, and the spring adjustment nut is arranged outside the compression spring. The check anti-water-bursting grouting rock bolt is provided with pressure maintaining and anti-water-bursting functions, capable of being stored separately and machined and mounted rapidly, wide in source, low in cost and capable of performing grouting in a sectional and adjustable mode.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Intelligent cutting equipment for rapid distance measurement of air conditioner copper pipe

The invention discloses intelligent cutting equipment for rapid distance measurement of an air conditioner copper pipe. The intelligent cutting equipment comprises a device base, wherein the rear sideof the upper end face of the device base is fixedly connected with a supporting platform, the supporting platform is perpendicular to the device base, the left side of the upper end face of the device base is connected with a vertical plate, the right side face of the vertical plate is fixedly connected with a distance measurement baffle, and the vertical plate and the distance measurement baffleare perpendicular to the device base; a groove is formed in the upper end face, located on the right side of the distance measurement baffle, of the device base; a copper pipe collecting base is arranged in the groove; the upper end face, located in front of the supporting platform, of the device base is provided with two conveying frames; and the upper end face, located in front of the conveyingframes, of the device base is fixedly connected with a fixed support. The intelligent cutting equipment is high in practicability, the air conditioner copper pipe is conveyed to the position below acutting wheel pipe through a conveying belt during work, transferring is convenient, and no manual carrying is required. Quantitative and fixed distance cutting of pipes can be realized, there is no need to press or cut time and time again, and the work efficiency is greatly promoted.
Owner:盐城唯宏特通用机械有限公司
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