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

553results about How to "Reduce the number of settings" patented technology

Signal base station three-dimensional positioning system and method based on RSSI and AOA

The invention discloses a signal base station three-dimensional positioning system and method based on RSSI and AOA. The signal base station three-dimensional positioning system comprises an electronic tag arranged on a person to be positioned or a device to be positioned and further comprises a wireless base station capable of being arranged at a base station positioning position. Wireless communication can be conducted between the electronic tag and the wireless base station, the wireless base station is in wireless connection with a wireless gateway which is connected with a server, and the server is connected with a PDA or a PC. The signal base station three-dimensional positioning system and method based on RSSI and AOA can effectively overcome the defects that an wireless sensor network is poor in penetrability, and inconvenient to install, arrange and maintain, and effectively reduce the number of arranged base stations.
Owner:西安嵌牛电子科技有限公司

Steering cable saddle for large-tonnage cable crane

The invention discloses a steering cable saddle for a large-tonnage cable crane. The steering cable saddle aims at solving the problems that existing movable type cable saddle towers are equipped with a plurality of front and back wind cables along bridge directions and high in cost, and service lives of bearing cable axle assemblies, hoisting cable axle assemblies, traction cable axle assemblies, bearing cables, hoisting cables and traction cables are short. The steering cable saddle comprises cable saddle base distribution beams and a cable saddle base connecting cross beam, wherein each cable saddle base distribution beam is provided with a bearing cable axle assembly, a bearing cable steering device, a hoisting cable steering device, a traction cable axle assembly, a traction cable steering device and a sliding axle assembly; the cable saddle base connecting cross beam is provided with a hoisting cable axle assembly; and the cable saddle base distribution beams are positioned on left and right sides of the cable saddle base connecting cross beam. By means of the steering cable saddle for the large-tonnage cable crane, service lives of the bearing cable axle assemblies, the hoisting cable axle assembly, the traction cable axle assemblies, bearing cables, hoisting cables and traction cables are prolonged.
Owner:HUNAN CONSTR ENG GRP COR +1

Process and device for continuous ultrasound desulfurization of scrapped lead paste

The invention relates to a process and a device for continuous ultrasound desulfurization of scrapped lead paste. The process for continuous ultrasound desulfurization of scrapped lead paste comprises the following steps: (1) sodium carbonate or ammonium carbonate is selected as desulfurizing agent, and the desulfurizing agent and the scrapped lead paste are taken according to the mole ratio (1.2 to 2.2:1) of the Na iron or the (NH4)2 iron in the desulfurizing agent to the S iron in the scrapped lead paste; (2) the scrapped lead paste, the desulfurizing agent and water are prepared into flowing pulp with solid-liquid (S / L) weight ratio being equal to 3 / 5 to 4 / 5 in a pulping tank; (3) under the condition of ultrasonic wave, the flowing pulp enters a first reaction chamber for heating and stirring from the lower end part in the first reaction chamber, is discharged out from an overflow opening at the upper end of the first reaction chamber, then enters a second reaction chamber for heating and stirring from the lower end part of the second reaction chamber and finally, and is discharged out from a discharging opening at the upper end of an nth (ranging from 3 to 12) reaction chamber after sequent flow for reaction and discharge. The process has the advantages of low cost, small occupied area, continuous production and high efficiency.
Owner:WUHAN INSTITUTE OF TECHNOLOGY

Multi-pylon multi-span lifting cable crane

The invention discloses a multi-pylon multi-span lifting cable crane. The crane comprises M pylons, N lifting spans connected to the M pylons sequentially, bearing cables, an overhead crane and lifting appliance assembly, traction systems, lifting systems and anchorage systems, wherein each pylon comprises a cable tower and a main tower arranged at the top of the cable tower, and a cable saddle structure for supporting the corresponding bearing cable is arranged at the top of the main tower; two ends of single bearing cable are used for being connected with the anchorage systems located on both banks; one lifting span is formed between every two adjacent pylons, and at least two lifting spans are connected to form a multi-pylon multi-span structure; the traction systems are used for pulling the single overhead crane and lifting appliance assembly to move between the adjacent lifting spans, and the lifting systems are used for lifting materials through the overhead crane and lifting appliance assembly; N and M are both natural numbers, M is larger than or equal to 3, and N is equal to the difference between M and 1. Therefore, multiple lifting spans are formed by arranging multiple pylons, and compared with the conventional double-pylon single-span lifting cable crane, the height of each pylon is reduced substantially and controlled effectively.
Owner:HUNAN ZHONGNAN BRIDGE INSTALLATION ENG +1

Improved multi-target Jaya algorithm based discrete manufacture workshop production arranging method

ActiveCN109946965AEmissions can be controlledAdapt to changing working conditions in timeAdaptive controlProduction planningInternet of Things
The invention provides an improved multi-target Jaya algorithm based discrete manufacture workshop production arranging method. The method comprises the following steps that real-time state of the discrete manufacture workshops is monitored via the IoT (Internet of Things) system, data is processed, influence of abnormal condition on workpiece processing time is analyzed and determined, if the abnormal condition has influence on the workpiece processing time, information of the abnormal condition is input to the production arranging system, the production arranging system aims at maximizing the completion time and minimizing the workshop carbon emission, a statistical mathematical optimization model taking the machine tool as unit and the improved multi-target Jaya algorithm are used to optimize calculation, and an optimal production arranging scheme is obtained. The method has the advantages that the accuracy is high, production planning is more reasonable and efficiency, and the energy saving and emission reducing effect is good.
Owner:无锡思睿特智能科技有限公司

Optimal configuration of 10 kV power distribution network parallel reactor and compensation method of 10 kV power distribution network parallel reactor

The invention provides an optimal configuration of a 10 kV power distribution network parallel reactor and a compensation method of the 10 kV power distribution network parallel reactor. The optimal configuration of the 10 kV power distribution network parallel reactor and the compensation method of the 10 kV power distribution network parallel reactor are used for solving the problem that inductive reactive power optimal allocation of resources of insertion of small hydro to power distribution network and controlling switching of the reactive power compensation. The compensation method of the 10 kV power distribution network parallel reactor comprises the following steps: obtaining a voltage drop reactive decoupling formula by means of a decoupling deduction of the voltage drop formula; ensuring reactive decoupling coefficient according to the line reactance per kilometer and the line voltage reference; ensuring an optimal configured compensation point of the 10 kV parallel reactor according to the voltage drop reactive decoupling formula; ensuring and avoiding the capacity of the 10 kV parallel reactor configuration of the upper limit of the node voltage of a trunk line, and ensuring the capacity of a single unit and the number of configured groups of the 10 kV parallel reactor by a reference of a rule that a voltage regulating effect of reactive compensation equipment of a single group of a transformer substation does not exceed 2.5% of the rated voltage; and monitoring the node voltage of the trunk line including the small hydro in real time, and controlling the switching of the 10 kV parallel reactor according to the voltage drop reactive decoupling formula.
Owner:SOUTH CHINA UNIV OF TECH

Display panel and display device

The embodiment of the invention provides a display panel and a display device. The display panel comprises a display area, a non-display area, a power source signal line and multiple positive pole blocks, wherein the display area is a rectangle provided with at least a fillet; the power source signal line is arranged along a row direction, stretches along a column direction, is electrically connected with a pixel unit on a corresponding column, and comprises the first part of alignment line in the display area and the second part of alignment line in the non-display area, and the first part ofalignment line and the source drain metal layer of a thin film transistor in the pixel unit are arranged on the same layer; the positive pole blocks are arranged on one side, which is far away from asubstrate base plate, of the thin film transistor; the second part of alignment line of a power source signal line in at least a fillet area and the positive pole block are arranged on the same layer, by the design, the line width of the second part of alignment line corresponding to the fillet area becomes large, and then the load gap of the power source signal line corresponding to the fillet area and the power source signal line corresponding to a non-fillet area is reduced, so that the display effect of the display panel is improved.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Conveying chamber, substrate processing device, and substrate disorder detection method

The invention provides a substrate processing apparatus in which such a fault as misregistration or chipping of a large FPD substrate in a conveyance chamber can be detected certainly, and to provide a method for detecting the fault of the substrate. When a substrate (S) is mounted on the slide pick (513) of a conveying device and carried into a process chamber from the interior of a conveyance chamber (20) through a gate opening (22d), the substrate (S) is irradiated with light beams at the parts in the vicinity of the opposite ends shown by dashed lines (A, B) by means of a pair of sensors (70, 70) arranged on the right and left, and misregistration or defect of the substrate S is detected by its reflectivity or transmissivity.
Owner:TOKYO ELECTRON LTD

Stereoscopic endoscope electronic imaging optical system

The invention discloses a stereoscopic endoscope electronic imaging optical system. Hopkins rod lenses, more than one of image transferring doublet lenses, rhombic prisms, imaging doublet lenses, single lenses and protective windows are sequentially arranged behind an objective lens and a 1:1 image transferring system composed of three groups of rod lenses which are in structural symmetry along a light ray transmitting direction; the stereoscopic endoscope electronic imaging optical system directly magnifies an image of the image transferring system to a CCD or CMOS pixel surface, and the axial magnification ranges from 1.1 to 2; the Hopkins rod lenses are used for increasing the working length of the system, and effectively reduce the number of lenses; the rhombic prisms are used for increasing the distance between the optical axes of lens groups behind two optical channels of a stereoscopic endoscope, and satisfy spatial layout requirements of two CCD or CMOS devices; and the imaging doublet lenses and the single lenses are used for magnifying images, and participate in system distortion correction so as to reduce the distortion of the system.
Owner:TIANJIN UNIV

Multi-angle overturning welding device for long-distance large-diameter jacking pipe

The invention discloses a multi-angle overturning welding device for a long-distance large-diameter jacking pipe, relates to the technical field of jacking pipe welding equipment, and solves the problems that according to an existing welding device, a welder needs to manually knock a welding slag coating after welding, the efficiency is low, manpower is wasted, and hand fatigue of the welder is likely to be caused by frequent knocking actions. The multi-angle overturning welding device for the long-distance large-diameter jacking pipe comprises a base and a positioning square rod, wherein thebase comprises a V-shaped supporting plate, vertical supporting rods, a lead screw and a connecting top plate, the base is integrally of an I-shaped structure, and the two vertical supporting rods aresymmetrically welded to the middles of the front side and the rear side of the base; and two gear rings are rotationally inserted and supported at the top ends of the two vertical supporting rods, and the front end side gear ring is movably mounted. According to the multi-angle overturning welding device, a knocking rod can slide left and right along a rail square rod through a square sliding sleeve to be adjusted and is inserted and positioned through the rail square rod, and the device is suitable for knocking welding slag on butt welds at different positions, is flexible to use and wide inapplication.
Owner:王伟

Rubber powder modified cement concrete pavement and manufacturing method thereof

The invention discloses a rubber powder modified cement concrete pavement and a manufacturing method thereof. The rubber powder modified cement concrete pavement is characterized by being prepared from the following raw materials in parts by weight: 25 to 30kg / m<3> of rubber powder, 300 to 330kg / m<3> of 425 cement, 550 to 590kg / m<3> of river sand, 1080 to 1180kg / m<3> of broken stone, 135 to 165kg / m<3> of water, 5 to 7kg / m<3> of water reducing agents, 3 to 4kg / m<3> of phthalic ester coupling agents, 2 to 3kg / m<3> of rubber latex, 3 to 4kg / m<3> of hydrophobic modification cellulose, 15 to 20kg / m<3> of lignin, 80 to 110kg / m<3> of granulitic blast-furnace ore slag powder and the like. The raw materials are effectively mixed to obtain the concrete. The rubber powder modified cement concrete pavement has the characteristics that the properties of anti-folding intensity, anti-impact performance, bottom plate anti-impact and anti-abrasion performance, wear-resistant performance, temperature shrinkage, dry shrinkage performance, freezing resistance performance, ultimate strain capability, noise reducing performance, volume weight, corrosion resistance and the like of the rubber powder modified cement concrete pavement are superior to those of the ordinary cement concrete pavement; the later-stage maintenance cost is lower than that of the ordinary cement concrete pavement, and the like.
Owner:广西航务建设工程有限公司

Fin-tube type heat exchanger

The present invention relates to a pin-tube type heat exchanger, comprising: tubes through the inside of which a heat medium flows and which are arranged in parallel with a uniform distance therebetween, so that a combustion product can pass through space between the tubes; and heat transfer fins which are separately coupled to the outer surface of the tubes along the lengthwise direction thereof, so as to be parallel to the direction of flow of the combustion product, wherein inside the tubes a first turbulent flow-generating member is installed for creating turbulence in the flow of the heat medium, wherein the first turbulent flow-generating member comprises a flat plate portion, arranged in the lengthwise direction of the tubes, for dividing the inner space of the tubes into two sides, and first guide pieces and second guide pieces which are protrudingly provided at a tilted angle and are separately and alternately provided along the lengthwise direction of both sides of the flat plate portion.
Owner:KYUNGDONG NAVIEN

Chip comprising multiply accumulator, terminal and floating point operation control method

The invention discloses a chip comprising a multiply accumulator, a terminal and a floating point operation control method, and relates to the field of chips. The multiply accumulator comprises a floating point number input end, a first selection end, a floating point general unit and an output unit, wherein the floating point universal unit is connected with the floating point number input end, the first selection end and the output unit. According to the invention, in different floating point operation modes, the floating point number with high bit width can be split into sub-operands with low bit width to carry out multiply-accumulate operation, and according to the selecting of a floating point operation mode, the multiplier and the adder in the multiply accumulator are controlled to be split and recombined, so that the operational circuit in the multiply-accumulator becomes an operational circuit corresponding to the floating-point operation mode, the operational circuit can support multiply-accumulate operation of floating-point numbers with different bit widths, at least two sets of hardware structures do not need to be integrated on the chip, and the area and power consumption of the chip are effectively reduced.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Punching technique for hypogynous metal bumper of heavy-duty car

InactiveCN101239369ASave materialReduce the number of mold setsShaping toolsVehicle componentsTruckEngineering
The invention provides a punching technique for a lower metal bumper of a heavy-duty truck, comprising: (1) blanking: adding technique supplement when blanking, designing and producing a set of moulds according to blanking size and technique supplement to perform blanking, using wave cutting edge in the blanking mould; (2) modeling: locating according to technique holes added at the two sides of the blanking, modeling by using the mould; (3) trimming, punching front surface holes and side surface holes: designing and producing a set of complex moulds which can completes trimming the molded two ends, punching the front surface holes and side surface holes at the same time. Since the invented technique uses blanking-molding technique instead of the drafting technique, the material is saved, trimming, punching front surface holes and side surface holes are combined in one procedure, the amount of mould set is reduced, the mould cost is reduced, the mould debugging period is shortened, error generated by multitime positioning is avoided, and product precision and pass percent are improved.
Owner:中国重汽集团济南技术中心有限公司
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