232results about How to "Avoid layout" patented technology

The invention discloses a laser sedimentation flexibility monitor which comprises more than one group of transmitting units and receiving units which are mutually matched, wherein each transmitting unit is a laser used for transmitting a laser beam to each receiving unit, each receiving unit comprises a linear array CCD (Charge Coupled Device) image acquisition unit, an analyzing and processing system and a power supply, the linear array CCD image acquisition unit is used for acquiring the laser beam and converting the laser beam into an electric signal to be transmitted to the analyzing and processing system, and the analyzing and processing system is used for processing the electric signal and then judging sedimentation deformation. The laser sedimentation flexibility monitor has the advantages of simple and compact structure, low cost, convenience for installation and debugging, stable and reliable work, and the like.

The invention relates to a brand new method for building subway station by expansively digging large-diameter shield tunnel; namely, based on the large-diameter shield tunnel, the subway station is dug and built by shallow bedding and undercutting method. The invention mainly comprises the following steps: (1) assembling the large-diameter shield segments for the station in the range of the station; (2) building bottom girder, rectangular column and top girder in the shield tunnel, and establishing a temporary support; (3) symmetrically digging first supporting protection of the platform tunnel by the shallow bedding and undercutting method; (4) symmetrically removing the shield segments, the temporary support and other temporary structures; (5) constructing the second lining and platform panel of the platform tunnel. The invention gives full play of the advantages of the shield method and the shallow bedding and undercutting method, which can largely reduce the influence to the surrounding environment and adjacent building structures under complex construction environment of city; the construction period is shortened and the project cost is decreased.

The invention relates to an active maglev electromagnetic catapult for aircraft carriers. The active maglev electromagnetic catapult comprises a maglev guide rail fixed on a catapult base, a catapult platform sleeved on the guide rail, and a linear motor. The shipboard aircraft catapult platform is supported by active maglev supporting technology and is driven by the high-power linear catapult motor, and catapult-assisted take-off of shipboard aircrafts is achieved. The active maglev supporting technology is introduced, a catapult platform position control system and a speed control system are provided, and accordingly positioning precision and catapulting speed of the catapult platform are increased greatly, electrification is achieved and the service life is prolonged. The active maglev electromagnetic catapult has the advantages of adjustable supporting rigidity and damping, no friction, no need of lubrication, no environment pollution and the like.

The system is composed of information collection modules, transmission module of data wireless network, remote receiving and monitoring and controlling platform module. Through communication cable, collection modules are connected to the transmission module. Signal transmission is carried out in wireless mode between the transmission module and platform module. Collecting and processing information of soil moisture at each monitored point, the collection module transfers collected and processed information to the transmission module through cable. The transmission module in wireless mode transmits information of soil moisture to the platform module. The platform module receives, manages and issues information of soil moisture, and controls monitored points. The invention realizes unmanned collection of information of farmland automatically in real time without limitation of space, time and number of monitored points.

The invention discloses a wireless sensor network ad hoc network method for crop greenhouse cultivation in the technical field of greenhouse cultivation internet of things. A base station sends a clustering command, a hop count relationship among nodes is recorded, the node distribution density is calculated, and clusters are divided; a node receives a control instruction or a state query instruction sent by the base station, and if the node receives the control instruction, real-time monitoring and equipment regulation on the crop greenhouse cultivation growth environment information are executed according to control requirements; if the node receives the state query instruction, the self data packet transmission times are transmitted to the base station; the transmission costs of all paths are analyzed, and the path with the minimum transmission cost is selected as the optimal routing transmission path for data transmission; and after the system completes multiple times of environment information monitoring and regulation tasks, the base station carries out re-clustering according to the state information of the node. The method of the invention is applicable to an isomorphism or isomerism (node hardware isomerism) dynamic elf-organization and multi-hop transmission wireless sensor network ad hoc network.

DETAILED DESCRIPTION embodiment of that present application disclose a system management method, The server includes a complex programmable logic device (CPLD), a first substrate management controller(BMC), a second BMC and a first computing node. The CPLD stores first master/backup state information indicating that the first BMC is a master BMC and the second BMC is a backup BMC. The first BMC and the second BMC manage a first computing node according to the first master/standby state information; The CPLD monitors the first BMC and the second BMC in real time; When the first BMC is abnormal, the CPLD updates the first master/standby state information to the second master/standby state information, the second master/standby state information is used to indicate that the first BMC is a backup BMC and the second BMC is a master BMC; The first BMC and the second BMC manage the first computing node according to the second master/standby state information. As that serv arranges the primary and the standby BMC, the management compute node of the standby BMC can be switched immediately when the primary BMC is abnormal, and the problem of a single point of failure of the BMC is solved.

The invention discloses a nonlinear topological optimization method for car body welding spot arrangement. The method comprises the steps that a vehicle crash simulation finite element model is established, LS-DYNA calculation is submitted, and displacement values of crash performance key attention nodes are output; a white car body linear rigidity simulation finite element model is established, and GENESIS optimizing calculation is submitted; entity units are adopted for modeling of relevant welding spots in a crash model and a white car body model; an equivalent static load method is adopted for transforming crash nonlinear conditions into linear static conditions for topological optimization design; the welding spots are set to be topological variables, obtained welding spot density values are updated into the crash finite element model, and a new round of crash simulation analysis is conducted; lastly, a convergence result is postprocessed. According to the method, the entity welding spots are subjected to topological optimization, car body welding spot arrangement is realized on the premise that crash properties at all important moments are met, reasonability of car body welding spot arrangement is ensued, redundant welding spot arrangement is avoided, the number of the welding spots is reduced, manufacturing cost is lowered, and production efficiency is improved.

The invention relates to a hybrid model test platform for vibration control of a deep sea platform. The hybrid model test platform for vibration control of the deep sea platform comprises a deep sea platform motion simulation system, a test data acquisition and analysis system, a high-performance parallel computation and control system and a structure vibration control device test model, wherein the deep sea platform motion simulation system comprises a deep sea platform motion simulator; the deep sea platform motion simulator has a fixed lower platform and upper platform; the upper platform is a six-degree-of-freedom motion platform, realizes six-degree-of-freedom motion of the motion platform by driving a servo motor, and is used for simulating the motion deep sea platform; the test dataacquisition and analysis system comprises a three-axis force transducer, a high-speed camera and an image processing computer; the high-performance parallel computation and control system comprises amain control computer and a high-performance parallel workstation; the structure vibration control device test model is put on the upper platform of the deep sea platform motion simulator; and the deep sea platform motion simulator simulates six-degree-of-freedom motion of the deep sea platform under the control of the main control computer.

The invention relates to a pneumatic clamp pressing mechanism for automotive body welding, comprising a pressing unit, a hinge plate, a cylinder rotation limiter, a cylinder, a connecting plate, a support and a locating block. The hinge plate is hinged with the connecting plate, and the locating piece is fixedly connected on the connecting plate which is fixedly connected on the support; the cylinder is connected with the pressing unit, when the pneumatic clamp pressing mechanism for automotive body welding works, a workpiece is clamped between the locating block and the pressing unit, and the cylinder rotation limiter is arranged between the connecting plate and the cylinder and fixedly connected on the connecting plate; and the pressing unit is hinged with the hinge plate. According to the pneumatic clamp pressing mechanism for automotive body welding, the one clamp pressing unit can clamp more than two planes capable of forming a certain angle with each other, so that the arrangement of the more clamp units is avoided, the cost is saved, simultaneously, a larger welding space is provided for the welding production line, and the process feasibility and the operating convenience can be enhanced.

The invention discloses a supersonic combustion method actuated by combination plasma, relates to the supersonic combustion method for an engine combustion chamber, and solves the problems that by using an existing concave chamber type combustion method, the concave chamber dimensions are large, the flow loss is large, and the supersonic combustion performance is poor. The method comprises the steps that 1) a ceramic membrane is plated on the inner surface of each through hole; 2) the first through hole is connected with a fuel oil outlet pipe, the second through hole and the fourth through hole are connected with a thermal equilibrium plasma generator respectively, and the third through hole and the fifth through hole are connected with a non-thermal equilibrium plasma generator respectively; 3) fuel oil is injected into the combustion chamber through the first through hole; 4) a working medium is ejected from the thermal equilibrium plasma generator, is injected into a combustion area of the engine combustion chamber and ignites the fuel oil at the combustion area to form diffusion flame and realize ignition; and 5) jet cooling plasma is ejected from the non-thermal equilibrium plasma generator, and is injected into different positions of the combustion chamber through the third through hole and the fifth through hole for forming reliable combustion. The method provided by the invention is used for organizing supersonic combustion.

The invention discloses a traffic flow and vehicle speed collecting device and method based on infrared matrixes. The device comprises a telescopic support frame, an infrared ray collecting device, an infrared ray reflecting device, a field microcomputer and a control center, wherein the infrared ray collecting device is arranged on the telescopic support frame and is positioned above a lane to be measured; the infrared ray reflecting device is arranged on the lane; the infrared ray collecting device and the infrared ray reflecting device are arranged in a 3*n matrix form, and the n is the lane number; the infrared ray collecting device is connected with the field microcomputer; the field microcomputer is connected with the control center. The infrared ray collecting device and the infrared ray reflecting device are arranged in 3*n order matrixes; the comprehensive statistics on information such as traffic total flow, sub lane flow, number of various kinds of vehicles, vehicle running direction, vehicle speed and vehicle retention state is realized; the collected data is comprehensive; the accuracy is high.

The invention discloses a packaging bag opening device, which comprises two rollers symmetrically arranged on front and back sides of a packaging bag. The outer peripheral surface of each roller is provided with a suction nozzle which is connected with an air exhaust mechanism for air exhaust and suction generation. The suction nozzles, the rollers and the air exhaust mechanisms rotate synchronously. Each air exhaust mechanism includes a reciprocable piston rod and a piston connected at the bottom end of the piston rod; and further comprises a fixing projection for pushing the corresponding piston rod to move upward when the corresponding suction nozzle abuts against the packaging bag so that the suction nozzle can generate the suction to suck the packaging bag, and a reset member for pushing the corresponding piston rod to move downward to enable the corresponding suction nozzle to release the suction. The fixing projections push the piston rods to move upward so that the suction nozzles can generate suction to suck the packaging bag, and thus an opening of the packaging bag is enabled to automatically open when the packaging bag is outputted. According to the invention, the locations of the fixing projections remain unchanged, the piston rods only make contact with the fixing projections each time when moving in a circular motion to the fixing points, and the packaging bag opening device runs quite stably.

The invention discloses a hydraulic pneumatic composite pile hammer. A hydraulic cylinder, a piston rod, a piston and an air cylinder form an integrated hydraulic pneumatic composite control cylinder, and the reciprocating motion and hammering of the pile hammer are realized by hydraulic force, aerodynamic force and the gravity of the piston rod. Integrated combination valves, high-pressure accumulators and low-pressure accumulators are connected by a pipeline-free and integrated connection mode, and the high-pressure accumulators and the low-pressure accumulators are integrated on the integrated combination valves, so that large-flow quick supply and quick discharge can be realized. In the air cylinder, compressed air is used as a working medium, air is compressed and expanded once in the air cylinder in a working cycle, and a hammer body can descend quickly by using the energy of the air. Cartridge valve banks are subjected to large-flow control by solenoid directional valves. The low-pressure accumulators fill oil into a hydraulic cylinder through the cartridge valve banks and absorb vibration for buffering. Due to the adoption of a fully-closed structure and a piston rod guide mechanism, an inclined pile is hammered and underwater operation is realized.

The invention provides a mobile terminal control method and a mobile terminal. The mobile terminal comprises a shell, a telephone receiver module, and a driving mechanism; a containing groove is formed on the shell, and the containing groove comprises an opening; the telephone receiver module is located in the containing groove and partially exposed to the opening, and the telephone receiver module comprises a sound outlet hole; the driving mechanism is connected with the telephone receiver module, and the driving mechanism can drive the telephone receiver module to rotate in the containing groove, wherein the sound outlet hole can be exposed to the opening along the rotating of the telephone receiver module. Therefore, a scree-to-body ratio of the mobile terminal can be improved.

The invention discloses a tendon-connecting rod hybrid transmission type three-degree-of-freedom mechanical finger and a control method. A tendon driving mode is adopted for driving all joints of the finger, a driving motor can be arranged on the rear portion, and the condition that the driving motor is arranged in a narrow space of the finger is avoided; higher driving force compared with that of traditional transmission modes such as gears, chains and belts can be provided under the same structural size limitation; and knuckles drive a far knuckle through connecting rod coupling, linkage of the far knuckle and a middle knuckle is achieved, and the far knuckle and the middle knuckle are made to have certain relative motion relation, so that control over two joints of the middle knuckle and the far knuckle is achieved by using one motor. Grabbing of the finger is achieved, and the number of the driving motor is decreased; and four driving sources are adopted for achieving three degrees of freedom of the finger, for example folding, unfolding and side deviation, a tensioning mechanism in tendon driving is omitted by the driving mode, the finger structure is simplified, the cost is reduced, and the reliability is improved.

The invention discloses an acoustic wave non-destructive detection method, an acoustic wave non-destructive detection device and an acoustic wave non-destructive detection system, relating to the non-destructive detection field. According to the acoustic wave non-destructive detection method, a control instruction and acoustic wave non-destructive detection configuration data and other data are transmitted by a wireless local area network, the wiring arrangement in wired transmitting can be avoided, and the acoustic wave non-destructive detection efficiency is improved.

A method of processing a wafer having a face side where devices are formed in respective areas demarcated by a grid of projected dicing lines includes a groove forming step, a protective film sticking step, a protective-member-combined wafer forming step, a grinding step, a tape bonding step, a holding step, a peeling step, and a die-attach film dividing step.

The invention discloses an ad hoc network control system of an LED (Light Emitting Diode) lighting lamp. The system comprises a plurality of terminal nodes, a plurality of routers, a coordinator and a monitoring system, wherein one LED lighting lamp is controlled by each terminal node; the terminal node is directly communicated with the router or the coordinator; information acquired by the terminal node is finally transmitted to the monitoring system by the coordinator; the LED lighting system is monitored by a worker. The system has the characteristics of low power consumption, low cost, reliable data transmission, large network capacity and the like, and is extremely suitable for use by the lighting system.

The invention discloses an automobile heat managing system and an electric automobile. The automobile heat managing system comprises a heat pump air conditioning system, a battery pack heat exchanging system, a first plate heat exchanger and a first switch valve, wherein a refrigerant inlet of the first plate heat exchanger communicates with an outlet of an outdoor heat exchanger via a selectively connected or disconnected battery cooling branch, or communicates with a first end of a connected or disconnected first branch and a first end of a connected or disconnected second branch and communicates with a compressor via a connected or disconnected battery heating branch; and a refrigerant outlet of the first plate heat exchanger communicates with the compressor via a connected or disconnected battery cooling backflow branch and communicates with an outlet of the first switch valve via a battery heating backflow branch. A battery is cooled or heated via the refrigerant and then the battery can work in a proper temperature range all the time; and therefore, battery charging and discharging efficiency can be improved, cruising ability and service life can be enhanced.