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.

A handsfree call apparatus includes: a speaker held in the vicinity of a user's ear by a holding unit with a speaker unit thereof not being attached to a baffle board so as to mix sounds emitted from the front and back of a diaphragm thereof; a microphone, which is provided to a region where sounds emitted from the front and back of the diaphragm of the speaker are mixed and canceled out, configured to collect the call voice of the user; an output unit configured to output a call voice signal of the user from the microphone to transmit this to a call partner; and an input unit configured to receive a call voice signal from the call partner to supply this to the speaker.

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 relates to cloth cutting equipment, in particular to a lace cloth cutting machine, comprising an underframe and a workbench that is fixed on the underframe and also comprising an X-axis moving gantry, a Y-axis moving sliding table, a nose component, a data processor and a projection component for projecting a cutting trajectory; the X-axis moving gantry is slidably disposed on the workbench, the Y-axis moving sliding table is slidably disposed on the X-axis moving gantry above the workbench, and the nose component is vertically slidably disposed on the Y-axis moving sliding table; the nose component comprises a rolling component and a tool head component for cutting lace cloth, and the tool head component is disposed on one side of the rolling component; the projection component is disposed above the workbench that is disposed in a projection range of the projection component which is in electrical signal connection with the data processor; the machine also comprises an X-axis driving device and a Y-axis driving device. The machine of the invention can cut lace cloth into units of specified shapes and is high in productivity.

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 passive magnetic suspension type electromagnetic launcher for aircraft carriers. The passive magnetic suspension type electromagnetic launcher comprises a fixed launch base, a launch platform, and a linear motor; the launch platform and the linear motor are enclosed in the launch base. The carrier-based aircraft launch platform is supported by the passive magnetic suspension bearing technology; the launch platform is driven by a high-power linear launch motor, so that catapult-assisted take-off of the carrier-borne aircraft is achieved. Compared to the prior art, the passive magnetic suspension type electromagnetic launcher has the advantages that the passive magnetic suspension bearing technology is introduced, a speed control system is provided, precision and catapulting speed are greatly increased, electrification is achieved, catapulting distance is shortened, the service life is prolonged, and the launcher is friction free, energy saving, simple in structure, lubrication free, free of environmental pollution and the like.

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 relates to a totally-enclosing and isolating type fire extinguishing method for extinguishing fire in a highway tunnel, and belongs to the field of fire protection. The method comprisesthe following steps: S1, rapidly starting a fire detection module in case of fire in the highway tunnel; and rapidly and accurately determining the special firing position in the tunnel through a firedetection device; S2, rapidly moving fire stopping modules to the fire area after the accurate firing position is obtained; S3, starting and stretching fireproof rolling doors in the fire stopping modules after arriving at the firing area; blocking and closing a combustion area from two ends; and starting spraying through water curtain nozzles on the fireproof rolling doors; an S4, sensing and measuring temperature and smoke concentration in real time through a temperature and smoke concentration sensor in the fire detection module on the top part of the tunnel after two ends are closed and isolated; sending the sensed data back to a control center; and comparing and analyzing. The method is a highway tunnel fire treatment method and is low in cost, high in efficiency, safe and reliable.

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 application method for an aquaculture internet of things environment control system, which mainly aims at different scale aquaculture farms, and provides three different internet of things combination and control modes. The invention also provides a regulating method for an aquaculture Internet of things environment regulating system, which broadcasts a start packet anda periodic broadcast time synchronization packet through a wireless gateway or a field monitoring terminal, avoids the influence of frequency offset on the time synchronization of each node of the local network, and makes the collection and transmission of each node of the local network more orderly. The invention also provides a regulating method for an aquaculture Internet of things environmentregulating system. Bi-directional link quality between nodes is selecte as a basis for selecting neighbor nodes in Ad hoc network, The path ETX is at least used as the routing basis for selecting to the wireless gateway or the field monitoring terminal, and the reverse routing table from the wireless gateway or the field monitoring terminal to the destination node is established by periodically transmitted collection data packets and dummy data packets. It ensures the reliability of data upload and command transmission and reduces the energy consumption of wireless sensor networks.

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.

The invention discloses a method and device for determining the air leakage rate of an air pre-heater. The air pre-heater is dual-chamber air pre-heater or four-chamber air pre-heater. The method comprises: acquiring the inlet average oxygen content of the air pre-heater; determining an outlet excess air coefficient of the air pre-heater according to the inlet average oxygen content of the air pre-heater; determining an inlet excess air coefficient of the air pre-heater according to the outlet excess air coefficient of the air pre-heater; determining the leakage-free outlet flue gas temperature of the air pre-heater according to the inlet flue gas temperature of the air pre-heater, the outlet primary air temperature of the air pre-heater, the outlet secondary air temperature of the air pre-heater, the inlet primary air temperature of the air pre-heater, and the inlet secondary air temperature of the air pre-heater; determining the flue gas air leakage temperature of the air pre-heater according to secondary air temperature; determining the outlet air leakage coefficient increment of the air pre-heater according to the leakage-free outlet flue gas temperature of the air pre-heater, a real boiler exhaust gas temperature, and the flue gas air leakage temperature of the air pre-heater; and determining the air leakage rate of the air pre-heater according to the outlet air leakage coefficient increment of the air pre-heater and the inlet excess air coefficient of the air pre-heater. The method and the device may accurately acquire the air leakage rate of the air pre-heater.

The invention relates to cloth cutting equipment, in particular to a lace cloth cutting machine, comprising an underframe and a workbench that is fixed on the underframe and also comprising an X-axis moving gantry, a Y-axis moving sliding table, a nose component, a data processor and a projection component for projecting a cutting trajectory; the X-axis moving gantry is slidably disposed on the workbench, the Y-axis moving sliding table is slidably disposed on the X-axis moving gantry above the workbench, and the nose component is vertically slidably disposed on the Y-axis moving sliding table; the nose component comprises a rolling component and a tool head component for cutting lace cloth, and the tool head component is disposed on one side of the rolling component; the projection component is disposed above the workbench that is disposed in a projection range of the projection component which is in electrical signal connection with the data processor; the machine also comprises an X-axis driving device and a Y-axis driving device. The machine of the invention can cut lace cloth into units of specified shapes and is high in productivity.

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.

The invention relates to an urban smart energy network grading planning method. The invention relates to the technical field of smart energy and energy network planning, and the method comprises the steps: collecting basic data, predicting energy consumption demands, and predicting power, cold and heat load data; planning a pipe network, and dividing a to-be-planned area into sub-areas according to land use types; multi-energy coupling optimization: establishing a multi-energy coupling network model and a smart energy system collaborative optimization configuration model; and selecting unit equipment and a connection relation based on the established collaborative optimization configuration model and an optimization result, and performing decision deployment. According to the smart energy network grading planning method provided by the invention, on the basis of actual demands, hourly energy consumption demand prediction of 8760 hours in the whole year is carried out on cities, regions and plots, and various conversion equipment forms of electricity, gas and heat and network characteristics are considered in a planning design stage; the problems of urban-regional-plot energy station layout and type selection of equipment in the energy station are scientifically and reasonably solved.

The embodiment of the invention provides a flexible substrate stacking and packaging structure and a flexible substrate stacking and packaging method and relates to the technical field of chip packaging. The flexible substrate stacking and packaging structure and the flexible substrate stacking and packaging method are provided. A second device packaging assembly is attached to a side wing of a flexible substrate; the second device packaging assembly is electrically isolated from the flexible substrate, and the second device is electrically connected with the first device packaging assembly torealize an electrical connection function, thereby avoiding the arrangement of a circuit layer on the flexible substrate, further avoiding the problem of failure of the circuit layer caused by the bending of the flexible substrate, and guaranteeing the effectiveness and stability of stacking.