139results about How to "Expand the scope of space" patented technology

The invention discloses a non-contact real-time physiological signal monitoring system, which comprises a target capturing device, a tracking control unit, a biologic radar and a data acquiring and processing unit, wherein the target capturing device is used for capturing a target to obtain position information of the target; the tracking control unit is used for controlling rotation and / or pitching of a holder according to the position information of the target and making the antenna of the biologic radar above the holder align the target; the biologic radar is used for generating and transmitting a detection signal and receiving an echo signal which is reflected by the target and carries human physiological information; and the data acquiring and processing unit is used for sampling the echo signal of the biologic radar and analyzing and extracting the physiological information of the detected target from a sampled signal. In the system, a target capturing and tracking unit can ensure that the antenna of a physiological signal sensor always points at the target, so that the space range of the detected target can be expanded conveniently and the required radiant power is low.

The invention discloses vehicle-mounted unmanned aerial vehicle parking cabinet equipment and an automatic battery replacement method and system. The vehicle-mounted unmanned aerial vehicle parking cabinet equipment includes a shell with the top open, an unmanned aerial vehicle parking apron, a mechanical arm and one or more charging cabinets, wherein a controller is arranged in the shell, and theunmanned aerial vehicle parking apron, the mechanical arm and the one or more charging cabinets are connected with the controller, and each charging cabinet is provided with several charging grooves.The controller monitors information of batteries in the charging grooves and controls the mechanical arm to take the batteries from unmanned aerial vehicles to vacant charging grooves and to take thefully charged batteries from the charging grooves to the unmanned aerial vehicles. Parking cabinets can assist the unmanned aerial vehicles to precisely land on the parking aprons in cabinet bodies,and then automatic replacement of the batteries is achieved.

The invention discloses an accurate landing method and system for a vehicle-mounted unmanned aerial vehicle. The method comprises the following steps that a remote control terminal receives a return instruction, sends the return instruction to the unmanned aerial vehicle, and sends current position information of a vehicle; the unmanned aerial vehicle flies to be within a certain range of the position according to the position information, shoots image data containing a parking apron and sends the image data to the remote control terminal; the parking apron is provided with an unmanned aerialvehicle positioning mark; the remote control terminal receives the image data, identifies the positioning mark, and sends a control instruction to the unmanned aerial vehicle according to a positioning mark identification result; and the unmanned aerial vehicle moves or lands according to the control instruction. GPS positioning information is combined with target recognition based on deep learning, so that the landing precision of the unmanned aerial vehicle can be effectively improved.

The invention discloses a method for estimating the concentration of near-ground inhalable particles (PM10) based on observation data of atmospheric visibility and relative humidity. The method comprises the steps of (S1) calculating a near-ground aerosol scatting coefficient based on horizontal visibility observation data, (S2) calculating aerosol average quality scattering efficiency based on a near-ground aerosol extinction coefficient and PM10 quality concentration, (S3) establishing a correlation model of the aerosol average quality scattering efficiency and the relative humidity according to seasons, background environments and meteorological information, and (S4) estimating the PM10 concentration based on the observation data of the atmospheric visibility and the relative humidity by using the correlation model in the step (S3). According to the method, the near-ground particle pollution level is estimated based on the meteorological data such as the atmospheric visibility and the relative humidity, the deficiency of a particle ground monitoring station can be effectively compensated, and the spatial range of the particle concentration monitoring can be expanded.

The invention discloses a folding bed with a desk, comprising a bedside, wherein a storage box is arranged at the lower part of the bedside, a seat cushion back plate is arranged at one side of the upper part of the storage box, a back cushion back plate is arranged at one side of the seat cushion back plate, the storage box, the seat cushion back plate and the back cushion back plate are sequentially connected end to end through connecting shafts, a desk plate is further arranged at one side of the back cushion back plate, an easy-motion device is further arranged inside the storage box, a support post is arranged below the desk plate, a base is arranged below the support post, an expansion rod is arranged inside a foot rest and is used for expansion motion of the base, and the support post is used for the lifting motion of the desk plate. Hasp rings are arranged at two sides of the seat cushion back plate and the back cushion back plate, and connecting hasps are further arranged at two sides of the seat cushion back plate. The folding bed with the desk is simple in structure, convenient to use, small in occupied area, remote in control, low in labor intensity and varied in functions and is particularly suitable for small houses or touring cars.

The invention discloses a mobile nest for automatically replacing a battery of a small unmanned aerial vehicle. The mobile nest comprises a mobile nest body and a control unit. The movable nest body comprises a bottom plate, a bottom plate frame, a movable top cover, a parking apron arranged on the bottom plate, a three-dimensional module unit and a mechanical clamping jaw. A charging bin is arranged in the parking apron. The control unit comprises an industrial personal computer, a control module and a plurality of servo controllers, which are connected in sequence, the industrial personal computer sends instructions to the control module, and the control module executes the instructions of the industrial personal computer to control the servo controllers, so that an unmanned aerial vehicle is controlled to accurately land and be fixed on the parking apron; and the three-dimensional module unit moves, the mechanical clamping jaw moves the unmanned aerial vehicle to a fixed landing position, the battery is taken and placed between the unmanned aerial vehicle and the charging bin, and battery information in the charging bin is monitored. A platform capable of accurately landing andfastening the unmanned aerial vehicle is provided, a battery of the unmanned aerial vehicle can be continuously charged, and the mobile nest is an unattended and movable unmanned aerial vehicle intelligent parking apron system in the true sense.

This invention relates to one visual film coding method in computer application field, which comprises the following steps: inputting specimen image into time and space filter to get the BP human neural network input, train BP human neural net and to determine human neural net weight value; then inputting specimen any image and taking one random set of filter parameters by use of particle set or strategy method in filter parameter range for optimization; through multiple overlap, outputting image converged to input image and the parameters of the filter are determined with output impulse excitation is relative to input image film codes.

The invention relates to a preparation and characterization method for a precious metal ultrafine wire EBSD test sample. The comprises the steps: stretching a precious metal ultrafine wire sample andbonding the precious metal ultrafine wire sample to the top end of the inclined surface of a double-inclined sample table; placing the precious metal ultrafine wire sample in a sample bin to select asample section preparation and test area; tilting the sample table, carrying out carbon plating treatment, ion beam cutting and ion beam surface polishing treatment on the sample in the field of viewto obtain a cross section observation sample of the noble metal ultrafine wire without surface stress, and observing and obtaining a microstructure morphology image of a wire cross section observationarea through ion beam channel contrast imaging; tilting the double-tilting sample table until the angle between the observation section and the incident electron beam is 70 degrees, and performing electron back scattering diffraction detection on the section of the ultrafine wire through a CCD detector to obtain an EBSD image and a crystallography signal of the section of the sample micro-area. The EBSD and the ion beam channel contrast image are combined to provide more systematic and comprehensive data support for microcell analysis of precious metal ultrafine wires, and the comprehensive analysis range of samples can be expanded.

The invention discloses a multi-functional integrated type hydraulic cylinder. The multi-functional integrated type hydraulic cylinder comprises a main cylinder barrel, a main cylinder cover, a barrel-shaped main cylinder piston rod, a rapid cylinder guide sleeve, an isolating ring, a three-section card key and a main cylinder guide sleeve and is characterized in that: a first oil port, a second oil port and a third oil port are formed on the main cylinder barrel; a fourth oil port and a sixth oil port are formed on the main cylinder cover; a positioning cylinder guide sleeve is matched with the inner wall of the left end part of the main cylinder barrel; the inner wall of the positioning cylinder guide sleeve is matched with the outer wall of the main cylinder guide sleeve; the left end part of a barrel-shaped rapid cylinder piston rod is matched with the inner wall of the barrel-shaped main cylinder piston rod; the right end of the barrel-shaped rapid cylinder piston rod is connected with a locknut in a matching way; a rapid cylinder head is connected with the inner wall of the left end part of the barrel-shaped main cylinder piston rod in a matching way; a low-pressure oil inlet pipe is fixedly connected in the barrel-shaped rapid cylinder piston rod; and the right end of the low-pressure oil inlet pipe is a fifth oil port. The multi-functional integrated type hydraulic cylinder has the advantages of compact structure, high circulating operation speed, high working pressure, large thrust force of a working condition, high power density and convenient installation.

The invention provides a spray gun assembly and a spraying painting robot. The spray gun assembly is used for the spraying painting robot comprising a frame body. The spray gun assembly comprises a rotating assembly and a spray gun, wherein the rotating assembly is arranged on the frame body and comprises a first rotating structure and a second rotating structure, the first rotating structure is arranged on the frame body, the second rotating structure is arranged on the first rotating structure, and the rotating directions of the second rotating structure and the first rotating structure aredifferent; and the spray gun is arranged on the second rotating structure to rotate under the drive of the rotating assembly. Through the technical scheme, the spraying operation range is increased, the flexibility of spraying operation and the adaptability to the operation environment are enhanced, the dependence on labor is reduced, the spraying precision is improved, and the cost is reduced.

The invention discloses a visible light communication two-way voice intercom system based on the MIMO technology. The system comprises a transmitting end and a receiving end, the transmitting end comprises an audio encoding module, a power divider, a modulation module, a first LED driving module and an LED array, which are connected in sequence; and the receiving end comprises a PD array, a second LED driving module, a RSSI indication circuit, a demodulation module and an audio decoding module, which are connected in sequence. In the visible light communication two-way voice intercom system disclosed by the invention, LED lamps in the LED array and the PDs in the PD array are separated from each other at equal angles and are uniformly distributed on the horizontal plane, so the shortcomings of poor diffraction capability in visible light communication can be compensated. When in use, the LED array of an A communication end is opposite to the PD array of a B communication end, and the PD array of the A communication end is opposite to the LED array of the B communication end, in this way, the PD arrays and the LED arrays of the A communication end and the B communication end can realize the normal communication of the receiving end and the transmitting end in an NLOS scene, and the voice intercom function of the both communication parties in the NLOS scene is satisfied.

The invention relates to a sclerotin-in-femoral head cutter for a bone surgery. The cutter comprises a rotary insertion pipe, a rotary cutting knife, a differential gear transmission mechanism and a hand-operated mechanism, wherein the hand-operated mechanism is connected with the exposed end of a driving shaft of the differential gear transmission mechanism; the front end of the rotary insertion pipe is connected with the rotary cutting knife, and the back end of the rotary insertion pipe is connected with a transmission gear of the differential gear transmission mechanism; one end of a driven shaft of the differential gear transmission mechanism is inserted in the back end of the rotary insertion pipe, and in threaded connection with the back end of the rotary insertion pipe; and an inner top rod is inserted in the rotary insertion pipe, and the front end of the inner top rod is provided with an eccentric pushing surface. Therefore, by utilizing the rotation and deflection, a dome type cutting space the cutting radius of which is far larger than the diameter of the rotary insertion pipe is formed on the front end of the rotary insertion pipe, and furthermore a novel and effective minimally invasive operation treating mode for femoral head necrosis is formed.

The invention discloses a multi-parameter fusion recognition device for a broken chain fault of a scraper conveyer. The multi-parameter fusion recognition device is provided with four recognition modules which are installed at different positions of a scraper conveyer system, so that the monitoring time and space range is large; and the four parameters are fused to have the characteristics of redundancy, complementarity, real-time performance and the like, and the broken chain fault of a scraper of the scraper conveyer in the underground coal mine operation is recognized through the fusion parameters, the broken chain fault can be effectively judged, and the multi-parameter fusion recognition device has high fault tolerance and accuracy, good quickness and high reliability.

The invention provides a system for reading information and conveying of a large logistics package, which comprises an RFID scanner, a primary conveying device, secondary conveying devices, conveying guard bars, transfer manipulator mounting bases and transfer manipulators, wherein the RFID scanner is arranged above one end of the primary conveying device, the secondary conveying devices are uniformly arranged on the primary conveying device, the conveying guard bars are arranged at the two sides of the primary conveying device and the secondary conveying devices, the transfer manipulator mounting bases are arranged at the outsides of the connecting positions of the primary conveying device and the secondary conveying devices, and the transfer manipulators are arranged on the transfer manipulator mounting bases. The system provided by the invention has the beneficial effects that cargoes are divided accurately, the conditions of falling off of the cargoes in a conveying process are reduced, monitoring people during the conveying process are reduced, and through analyzing information in an RFID seal, the cargoes are classified through the carrying of the transfer manipulators according to different requirements, so that logistics classification is more intelligent, the manual labor is saved and the cost is reduced.

The invention discloses an antenna packaging module and electronic equipment, and belongs to the technical field of antennas. The antenna packaging module comprises a radio frequency integrated circuit, an array antenna layer connected with the radio frequency integrated circuit, a feeder line layer connected with the array antenna layer, and a power management integrated circuit connected with the radio frequency integrated circuit. The array antenna layer comprises a first antenna array and a second antenna array, and the radiation directions of the first antenna array and the second antenna array are different; and the antenna radiation directions of the first antenna array and the second antenna array are parallel to the plane where the array antenna layer is located. The antenna array with the multiple radiation directions is arranged in the antenna packaging module, and the antenna radiation directions of the antenna array are parallel to the plane where the array antenna layer is located so that the coverage direction of the antenna packaging module is increased, and a space range covered by the antenna packaging module is enlarged.

A spray diffusion-type combustion system for IC engine features that a spray diffusing arc surface is arranged at the diameter-reduced position of combustion chamber for spraying the oil beam from the oil sprayer directly to the arc surface, so generating an oil beam diffused in wide range and quickly forming a relatively uniform gas mixture. Its advantages are quick and full combustion, low oil consumption, high power and less pollution.

The invention discloses an anti-static foam glass heat insulation and cold insulation material and a preparation method thereof. The preparation method comprises the steps of: carrying out ultra-refining fusion permo-treatment on a special high-temperature resistant conductive metallurgical powder material and a metal oxide serving as adding materials for realizing phase modification; controlling the combustion atmosphere by using a special process, expanding at a high temperature and sintering for forming; and finally, annealing and cooling to prepare the anti-static foam glass heat insulation and cold insulation material. The anti-static foam glass heat insulation and cold insulation material maintains the advantages of water prevention, heat insulation, cold insulation, water and moisture prevention, good chemical stability, sound insulation, noise reduction and the like of foam glass, and has a permanent conductive (static) and static dissipative function. The use space and the application range of the foam glass material are expanded.

The invention provides a spraying gun assembly and a spraying robot. The spraying gun assembly is used for the spraying robot including a frame, and comprises a rotating bracket, a rotating assembly and a spraying gun, wherein the rotating bracket comprises a fixed part and an extension part which are rotatably connected with each other, and the fixed part is connected with the frame; the rotatingassembly is arranged at the end, away from the fixed part, of the extension part; and the spraying gun is arranged on the rotating assembly to achieve rotation under driving of the rotating assembly,wherein when the extension part moves to the first position around a rotating shaft of the rotating bracket, the rotating assembly is close to the frame. According to the technical scheme, the scopeof spraying operation can be effectively expanded, the flexibility of spraying operation and the adaptability to the operation environment are enhanced, the dependence on labor is lowered, the accuracy of spraying is improved, the cost is lowered, and meanwhile, the volume of the spraying robot can further be decreased under the storage state, the space occupancy is reduced, and the possibility ofdamage caused by collision between the spraying assembly and external objects is reduced.

The invention provides a more comfortable and convenient treading tourist tricycle for two people during self-service travel. The invention comprises a main driving seat, a main driving steering wheel, an assistant driving seat, an assistant driving steering wheel, a main driving bushing, a frame, a calash, a carriage, a front fork bushing, an interlocking bar of the main driving steering wheel, an interlocking bar of a front wheel, a link bar and a brake rod; the bottom of the main driving steering wheel is connected with the main driving bushing; the main driving bushing is fixed with the interlocking bar of the main driving steering wheel; the front fork bushing is fixed with the interlocking bar of the front wheel; two ends of the link bar are movably connected with the interlocking bar of the main driving steering wheel and the interlocking bar of the front wheel respectively; the frame is provided with the brake rod. The invention has the beneficial effects of that 1. the invention is applicable to joint travel of two people, in particular a couple; 2. two people drive the tricycle jointly, and thus the driving enjoyment can be shared at the same time and efforts can be further saved; 3. the invention is quite stable and safe and is particular suitable for the midaged and elderly people to travel; 4. the invention solves the problem of rest and eating along the road, thus providing people with the feeling of home.

The invention discloses a collision atomization stream-extrusion combustion system of an internal-combustion engine, which belongs to the field of formation and combustion of gas mixtures of engines. The system comprises a combustion chamber (4) which consists of a cylinder cover (1), a cylinder sleeve (2) and a piston (3) and an oil injection nozzle (5) serving as a multi-hole oil nozzle, wherein a bump (8) is arranged in the center of the piston (3) and is formed by a folding fan surface which uses a convex top (9) as a center and is continuously and radially distributed. A one-time oil bundle is diffused through a collision part along a collision surface and cannot be accumulated on a drop point, and mist spray has a high diffusion speed and a large distributed spatial range and is not close to the wall of the combustion chamber, so that the involved quantity of air is increased; secondary atomization is realized, so that the grain size of the mist spray is thinned, and the mist spray is more uniformly distributed under the action of extrusion flow; therefore, a relatively uniform gas mixture can be relatively quickly formed; and the quality of a combustible gas mixture of the engine is effectively improved, so that combustion is quick and complete.

The invention relates to a portable industrial robot based on multi-dimensional sensor real-time data feedback fusion. The portable industrial robot comprises an industrial robot and a multi-dimensional sensor real-time feedback control system. The portable industrial robot has the beneficial effects of being based on multi-dimensional sensor real-time feedback and data fusion, the structure and the motion error compensation are completed, and accurate control which does not depend on the structure precision of the industrial robot is achieved; an industrial robot and a sensor real-time feedback control system generate accurate real-time control data through the real-time feedback data and data fusion technology to form a whole set of system, various working conditions can be realized through the single robot, the working conditions of the industrial robot can be adjusted in real time, and the working condition precision is ensured.

The invention discloses a USB (Universal Serial Bus) concentrator, and belongs to the field of computer-assisted equipment. The USB concentrator comprises a concentrator body, wherein at least two USB interfaces are arranged on one side of the concentrator body; a TF card slot and an SD card slot are arranged on the other side of the concentrator body; and the USB interfaces are connected with the concentrator body through telescopic lines. According to the USB concentrator with the structure, a storage card slot and the USB concentrator are combined, so that the usable range is enlarged; and the USB interfaces are pulled out to be used through the telescopic lines, so that the usable spacial range is enlarged.

A spray guide system of IC engine features that a spray guide step is made on the inner surface of omega-type combustion chamber. When the pistor is raising up in the primary spray phase, the oil beam is sprayed onto said guide step, which can reflect part of the oil beam and quickly disperse the rest along its guide arc, so realizing secondary atomizing.

The invention discloses multi-automobile-type stamping part rapid carrying equipment and a multi-automobile-type mixed production line. The multi-automobile-type stamping part rapid carrying equipmentcomprises a rotating mechanism, a swinging mechanism and a gripper mechanism, wherein the rotating mechanism comprises a fixing platform and a rotating servo motor arranged on the fixing platform, the swinging mechanism comprises a swinging top plate, a swinging bottom plate, a left shear type rocker arm mechanism, a right shear type rocker arm mechanism, a swinging driving mechanism and a stretching and retracting driving mechanism, the swinging driving mechanism comprises a swinging servo motor, a transmission shaft and synchronous rods, the stretching and retracting driving mechanism comprises a stretching and retracting servo motor, a lead screw and a lead screw nut, each shear type rocker arm mechanism comprises two shear type rocking rod units arranged side by side, the tops of theshear type rocking rod units are in key connection with the synchronous rods, and the bottoms of the shear type rocking rod units are hinged to the swinging bottom plate. According to the multi-automobile-type stamping part rapid carrying equipment and the multi-automobile-type mixed production line, the structure is simple, mounting is convenient, workpieces of multiple workpiece feeding tables can be carried according to the translation distances and the lifting heights of different automobile types, the carrying position is accurate, the carrying efficiency is high, and it is guaranteed that carrying operation of the workpieces of the multiple automobile types on the mixed production line is smoothly carried out.

The invention discloses a method and a system which are used for tracking user service. The method includes the following steps: S102, after determining a mission to be traced, a service tracking client transmits a service tracking request and information to be reported to a service tracking server through subscribing information; S104, according to the requirements of the service tracking request and information to be reported, the service tracking server transmits the service information requesting to be traced to the service tracking client through notification message; S106, the service tracking client transmits the request of canceling the service tracking to the service tracking server through subscribing information. The invention has the advantage of reducing the complexity of user tracking in IMS network.