Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

240results about How to "Large range of control" patented technology

Method and device for implementing the multi-wave bundle intelligent antenna with the directional antenna

A method and an apparatus for realizing a multibeam smart antenna by directional antennas in a mobile communication system, are provided. The method comprises performing space division on a base station service region by N directional antennas independent with one another to divide the base station service region into N cells, each cell satisfying a perdetermined electromagnetic radialization request; composing a delamination multibeam array by the N directional antennas based on the region to be covered by the base station, the directional antenna adjusting direction of the beam in advance to realize space division multiple access, the antenna for performing transmission and receiving of signals are controlled by a main processor unit, auxiliary processors and an antenna selection unit to position and track a mobile user. The apparatus includes a delamination antenna array composed of N directional antennas independent with one another, the antenna selection unit, auxiliary processors, a main processor; wherein the N directional antennas are connected with input ends of the auxiliary processors respectively, the auxiliary processors are connected with the antenna selection unit and the main processor respectively, the main processor is connected with the antenna selection unit and the base station. The invention has a high communication capacity and immunity.
Owner:LANZHOU UNIV ELECTRONICS TECH DEV APPL RES INST

Greenhouse dripping and irrigating locale monitoring system based on wireless embedded technology

The invention discloses a greenhouse dripping and irrigating locale monitoring system based on a wireless embedded technology. A wireless capturing information node, a greenhouse locale wireless controller and a wireless control information node are formed into a star-shaped monitoring network; the wireless capturing information node transmits an environment parameter to the greenhouse locale wireless controller; the greenhouse locale wireless controller immediately displays and transmits a control order to the wireless control information node; and the wireless control information node drives a valve to move after receiving the control order. The greenhouse locale wireless controller transmits data to a mobile phone user through the GPRS/GSM network, and transmits the data to a central controller through various modes such as the Internet, the USB and the bus. The system abundantly makes full use of the advantages of a ZigBee short distance free wireless network and a GPRS/GSM long distance billing network, is more efficient with the embedded technology, greatly improves the monitoring function of the greenhouse locale, improves the irrigating efficiency, increases the crop yield, increases the yield for the user, and is suitable for the popularization and the application in large range.
Owner:ZHEJIANG UNIV

Three-dimensional cavity resonance pulsating pressure and aerodynamic noise inhibition device

The invention relates to a fluctuating pressure and pneumatic noise suppression device for three-dimensional cavity resonates, belonging to flow control technical field, comprising an aligned array groove, an actuating reed, a piezoelectric ceramic piece, an installing seat, a special high voltage power supply for piezoelectric ceramic, a dynamic pressure transducer and a computer with an A / D acquisition card. The dynamic pressure transducer is arranged under the cavity, and is connected with the computer with A / D acquisition card by the through hole under the cavity. The actuating reed is arranged in the aligned array groove. The piezoelectric ceramic piece is pasted on the bottom of the reed to be the excitation element. The piezoelectric ceramic piece is connected with the special high voltage power supply for piezoelectric ceramic. The piezoelectric ceramic piece produces extensional deformation under the control signal excitation, and drives the actuating reed to vibrate, the oscillation frequency of the shear layer is changed, the cavity resonates is broken down, and the cavity pneumatic noise is suppressed. The fluctuating pressure and pneumatic noise suppression device for three-dimensional cavity resonates has the advantages of wide adjustable range, realizing the accurate control of the phased array for the three-dimensional space of the cavity by the real time feedback of the fluctuating pressure of cavity.
Owner:SHANGHAI JIAO TONG UNIV

Intelligent center control auxiliary unit equipment and method and system for achieving intelligent control

The invention discloses intelligent center control auxiliary unit equipment and a method and system for achieving intelligent control. The intelligent center control auxiliary unit equipment comprises a first communication module, an input module, a control module and a second communication module. The first communication module is used for being in charge of communication between a control module and a server and / or communication between the control module and intelligent center control host equipment. The input module is used for acquiring a user instruction. The control module is used for controlling the first communication module to send the user instruction to the server or the intelligent center control host equipment, receiving a control instruction sent by the server or the intelligent center control host equipment to a target intelligent household appliance through the first communication module and sending the control instruction to the second communication module. The second communication module is used for sending the control instruction to the corresponding target intelligent household appliance. The intelligent center control auxiliary unit equipment and the intelligent center control host equipment are matched for use, and the pickup range and the control range of the intelligent center control host equipment can be widened.
Owner:SHANGHAI XIAOI ROBOT TECH CO LTD

Method for detecting radial water cut abnormal body in underground coal mine drilled hole

ActiveCN104090306AExtended Radial Control RangeLow densityElectric/magnetic detection for well-loggingWater cutCoal
A method for detecting a radial water cut abnormal body in an underground coal mine drilled hole comprises the following steps that firstly, a detection hole is drilled in a roadway under the shaft , an emission wire frame is arranged at the position of a hole opening of the detection hole, and an emission receiving device is arranged; secondly, a three-component receiving probe in the detection hole is fixed in a plurality of design measuring points according to the same angle, and meanwhile an inclination measuring device is utilized for recording direction angles, inclined angles and transverse rolling angles of the positions of the measuring points; thirdly, measuring information of all measuring points is respectively recorded, and an abnormal response is judged; fourthly, the position of an emission device is moved, or the angle of the emission device is changed, and the second step and the third step are repeated; fifthly, collected data are processed, and information of the position of the low-resistance abnormal body around the drilled hole is obtained. According to the method, the positioning function of the low-resistance abnormal body in the radial direction of the drilled hole can be provided, the control range of the drilled hole is expanded, the head-on advanced detection precision of the roadway is enhanced, a water contained construction object existing possibly can be pointed out, and the next-step drilling direction can be pointed out.
Owner:XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP

Remote control method and system as well as TV terminals

The invention is suitable for the technical field of TVs and provides a remote control method and system as well as TV terminals. The method comprises the steps that intelligent terminals establish connections with the TV terminals through the Internet; after establishing connections, the intelligent terminals acquire information of the TV terminals and display virtual remote control unit interfaces; the intelligent terminals receive command information input by users via the virtual remote control unit interfaces, acquire corresponding character strings according to the command information and send the character strings to the TV terminals via the user datagram protocol (UDP); the TV terminals receive the UDP sent by the intelligent terminals and analyze the UDP to acquire the character strings; the TV terminals acquire corresponding TV terminal key values from tables of key values of the virtual remote control units according to the character strings and broadcast the TV terminal key values. The method has the beneficial effects that remote control and voice remote control of the TV terminals can be achieved via the intelligent terminals; the method is convenient and simple to operate; the compatibility of the intelligent terminals as the remote control units and the controlled ranges of the TVs are enlarged.
Owner:SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD

Process for pumping and exploiting coal bed gas by together using ground well drilling and underground hole drilling

The invention relates to a coal bed gas exploiting technique, in particular to a process for pumping and exploiting coal bed gas by together using ground well drilling and underground hole drilling, solving the problem of low efficiency of the traditional method for pumping and exploiting the coal bed gas. The process comprises the following steps of: (1) carrying out well drilling on the ground; (2) carrying out long hole drilling in underground coal beds; (3) making drilled holes and ground drilled wells crosslink and communicate in the appointed points by utilizing an orientation technique of a long hole drilling machine; (4) effectively closing the underground long drilled holes; (5) fracturing the ground drilled wells and the underground long drilled holes by utilizing fracturing equipment on the ground; (6) after fracturing, closing the ground drilled wells; and (7) opening the closed ends of the underground long drilled holes and then installing relevant pumping and discharging pipelines connected with underground pumping and discharging systems. The process improves the pumping and exploiting speed and efficiency of the coal bed gas, shortens the construction period of coal bed gas pumping and exploiting engineering and saves the construction investment of the coal bed gas pumping and exploiting engineering.
Owner:山西蓝焰煤层气集团有限责任公司

Photovoltaic power generation system data collecting device and collecting method based on Zigbee

The invention discloses a photovoltaic power generation system data collecting device based on a Zigbee. The photovoltaic power generation system data collecting device comprises a plurality of collectors and at least one collecting gateway. The collects are respectively connected with at least one detected device of a photovoltaic power generation system and collect and send the electric power data of the detected device. One end of the collecting gateway is connected with at least one collector through a Zigbee wireless network and receives the electric power data, and the other end of the collecting gateway is connected with a power station monitoring server and uploads the electric power data to the power station monitoring server. Compared with the prior art, distribution type photovoltaic power station monitoring is achieved through the mode of the Zigbee wireless network, the monitoring problem of large-scale photovoltaic power stations and photovoltaic power stations similar to village distributed type roofs can be solved, pulling and burying road-crossing cables are of no need in using process, data traffic cost is avoided, and low cost and intelligent management of the power station is achieved. In addition, the invention further discloses a photovoltaic power generation system data collecting method based on the Zigbee.
Owner:DONGGUAN ANWELL DIGITAL MASCH CO LTD

Intelligent large-flow electro-hydraulic valve

The invention relates to an intelligent large-flow electro-hydraulic valve, and belongs to a hydraulic valve. An upper housing and a lower housing are fixed on a valve seat; an elastic diaphragm is pressed between the valve seat and the upper housing; a partition board is pressed between the valve seat and the lower housing; a valve body is sleeved inside a valve cavity; the valve body is composed of a valve core, and an upper post rod and a lower post rod; a top block and a piston are fixed at two sides of the elastic diaphragm; the top block presses a piezoelectric stack inside the upper housing; the piston, the valve seat, the upper post rod and a one-way valve form an upper compression chamber; the valve core, the lower post rod, the valve seat and the partition board form a lower compression chamber; an inlet and an outlet are communicated through a valve core ring slot and form a valve hole; the inlet is communicated with the upper compression chamber and the lower compression chamber; the lower post rod presses a disk spring and a sensor inside the lower housing; and the sensor and the piezoelectric stack are respectively connected with an electric control unit through lead groups. The intelligent large-flow electro-hydraulic valve has the advantages that the displacement of the valve core is increased by the compression chambers; the movement state of the valve core can be measured by the sensor; and the intelligent large-flow electro-hydraulic valve is large in valve flow and damping regulating range, high in flow control accuracy and high in reliability, and especially suitable for large-scale precise flow and damping regulation.
Owner:ZHEJIANG NORMAL UNIVERSITY

Method and system for cooperative control of air-conditioner by means of multi-user voting and air-conditioner

The invention relates to the control field of air-conditioners, in particular to a method and system for cooperative control of an air-conditioner by means of multi-user voting and the air-conditioner. The method includes the following steps that users set the state of the air-conditioner in a voting mode through an intelligent terminal, and further edit voting items; each user in the same space votes for the voting items through the intelligent terminal, and accordingly voting results are generated; the voting results are counted for generating a statistical result; and the air-conditioner is controlled to operate according to the statistical result. According to the method, system and air-conditioner, the air-conditioner function is voted by the users, and the voting results are counted, and hence the obtained statistical result can meet the requirement of multiple users for comfort; a novel control mode with wide application range is added for the air-conditioner, the using comfort of the air-conditioner by the users is greatly improved in public places such as living rooms, offices, libraries, lecture halls and restaurants, and therefore the using requirement for the air-conditioner by the majority of users is satisfied.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Method for electrolyzing high-content low-grade lead bullion

The invention relates to a method for electrolyzing high-content low-grade lead bullion. The method comprises the following steps of melting the high-content low-grade lead bullion containing copper, antimony and bismuth into a pot to be stirred for removing the copper, thoroughly removing the copper-containing floating slag, adding alkali to remove arsenic and tin, pumping the lead liquid into an anode plate casting machine to be cast into an anode plate, reasonably matching the use amount of the combined additives to electrolyze the anode plate and the electrolyte according to the chemical components of the anode plate and the chemical components of the electrolyte, extracting cathode lead, washing the cathode lead with water to remove the electrolyte on the surface of the lead and thus obtaining the precipitated lead, casting the refined precipitated lead to obtain lead pig with the quality reaching the No.1 national standard, gathering the antimony, bismuth, copper, gold and silver onto the anode plate to form anode paste, and further comprehensively recovering the antimony, bismuth, copper, gold and silver in balance. By adopting the method, the lead bullion with high contents of copper, antimony and bismuth can be electrolyzed into the qualified precipitated lead in one step, so that the secondary electrolysis cost can be reduced, and the enriched metal grade in the anode paste can be improved.
Owner:湖南省桂阳银星有色冶炼有限公司

Novel aircraft carrier flying-off deck

The invention discloses a novel aircraft carrier flying-off deck, which comprises an ascending flying-off desk section, wherein a carrier plane flying-off acceleration equipment cabin is arranged below a starting section, a brake is arranged outside two tank wheels which are installed on a support through a wheel shaft inside the cabin, the two tank wheels are connected, a rubber plate is hung on the inner surface of a reinforced crawler belt, and the crawler belt is provided with a special crawler belt plate with a towing hook. Two tank engines with an independent oil box and an independent water box respectively are arranged on an engine support at the side of each tank wheel, the tank engines are connected with the tank wheels through a clutch and a transmission case, and a crawler belt tension wheel installation support is provided with a crawler belt tension wheel with a crawler belt traction motor. The starting section of the ascending flying-off deck is provided with a deck narrow seam, and a telescopic automatic switch, a brake releasing switch and a brake anchoring rod are respectively arranged on the middle-rear section and nearby the end of the deck narrow seam and on flying-off station deck on the rear part. The novel aircraft carrier flying-off deck integrates the advantages of a flat ejection flying-off deck and an ascending flying-off deck, and is also free from the defects of the two flying-off decks.
Owner:王长存

Multi-smart home equipment dynamic ad hoc network construction method

The invention provides a multi-smart home equipment dynamic ad hoc network construction method. The method comprises the steps that central control equipment establishes route records of a source node and a relay node according to a response record of sub equipment; according to a primary route record and multilevel route records, a route table is established; and according to the sub equipment, central control equipment and route table, a dynamic ad hoc network is established. Through adoption of the method, the problems of poor systematicness and reliability in control process of multi-smart home equipment are solved. Communication control of multi-smart home equipment and the central control equipment in a house can be realized, so that the characteristic of short transmission distance between smart home equipment under a condition of a programmable logic controller (PLC) is realized. The method adopts a manner of self routing and independent networking of the smart home equipment, and uses all the smart home equipment as route relays through setting of hop upper limit (5 hops) of the route in the house, thereby enlarging the control range of the central control equipment over the sub equipment, and realizing the maximum coverage of the central control equipment over the smart home equipment in the house.
Owner:重庆本原致创科技发展有限公司

Tension-plate shape measurement-adjusting instrument

The invention is used for on-line detection and regulation for the tension and the tensile stress distribution of band materials on a rolling production line of metal band materials, which mainly comprise a subsection roller and a subsection roller position regulating mechanism, wherein the subsection roller is a tensile stress distribution control roller (TDCR) published with the patent publication number of CN101288880A, each cylinder of the (TDCR) is newly provided with a set of position and pressure sensors which provide straightness signals of the band materials, and the straightness of the band materials is regulated by the cylinders according to the strength of the signals; the subsection roller is arranged on the subsection roller position regulating mechanism and is driven by each cylinder provided with a set of position and pressure sensors which provide tension signals of the band materials, and the tension of the band materials is regulated by the cylinders according to the strength of the tension signals. The invention separates the detection-control of the tension from the detection-control of the tensile stress distribution, thereby enhancing the precision of the detection-control of the tension and the tensile stress distribution and enlarging the control range. Furthermore, the invention can be combined with various plate shape control modes to form a plate shape comprehensive control system which can regulate the defects of various plate shapes.
Owner:张明

Method for preparing aluminum base foam material by utilizing negative pressure foaming

InactiveCN103820669AActively controllableImprove uniformityPorosityFoaming agent
All performances especially the function characteristics of an aluminum base foam material are closely related with its density and pore structure. The invention provides a method for preparing the aluminum base foam material by utilizing negative pressure foaming. The method comprises the following steps: heating industrially pure aluminum or aluminum alloy for melting to form molten aluminum, adding a tackifier to the molten aluminum, and adding a foaming agent to the molten aluminum to form molten aluminum containing small pores; putting the molten aluminum containing small pores in a closed foaming cavity, and carrying out air exhaust to reduce the pressure in the foaming cavity and expand the molten aluminum with the reduction of the pressure in the cavity in order to form foams; and cooling the foams with the cavity while maintaining the pressure in the foaming cavity constant to obtain the aluminum base foam material. Foam materials with designed profile, weight and density can be prepared through one-time molding by using the method. The active controllability of the foam aluminum foaming process is realized to obtain the foam aluminum material having a specific amount of porosity, so the uniformity of the pore structure is improved; and direct foaming molding is realized, so the consumption of the foaming agent is saved.
Owner:北京宏钧新材料技术有限公司

Connection dormancy method based on household router

The invention provides a connection dormancy method based on a household router. The situation that the router is heated due to the fact that the router is kept in a work running state for a long time, network drop or network offline is caused, and power consumption is generated occurs and currently hinders the development of the household router. The dormancy method includes the steps that (1) the router is turned on, started and run; (2) equipment is connected with the router and connects to the internet; (3) the working state of wireless chips is detected by the router; (4) the equipment is away from an effective connection distance or is directly disconnected; (5) the working state of the wireless chips is detected again by the router; (6) when the router detects that the wireless chips are in a connectionless state, a switch of a wireless network transceiver is turned off, and an interface of the wireless network transceiver is in a sleep state; (7) the router is in a dormancy state; (8) the equipment is connected to the router again; (9) when the router detects that the wireless chips are in a connection state, the switch of the wireless network transceiver is turned on, and then the router normally works. The connection dormancy method is used for the household router.
Owner:TAICANG T&W ELECTRONICS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products