56results about How to "Random arrangement" patented technology

The invention discloses a method for preparing a crystalline-state nano structure based on a femtosecond laser-induced amorphous GemSbnTek thin film, and belongs to the technical field of femtosecondlaser application. The size of a single incident femtosecond laser pulse focused light spot is controlled within a certain energy range, so that control over processing and the size of the GemSbnTek crystalline-state nano particle is realized, when the focused light spot is relatively large, the nano particle with a relatively large diameter can be obtained, and when the size of the focused lightspot is reduced, the diameter of the nano particle can be reduced. The laser frequency and the movement speed of a translation table are integrally controlled so that large-area efficient preparationof the high-consistency and uniform crystalline-state nano particle can be further realized. According to the method, compared with an existing nano structure processing method, the processing precision and processing efficiency of the nano structure are effectively improved, controllable preparation of the single nano structure and the composite nano structure is realized, meanwhile, the change of the crystalline nature of the super-fast phase change material GemSbnTek nano structure is realized, and the method has critical application value in the aspects such as information storage, metamaterial, nanometer antennas and light control.

Provided is a method and a device for object positioning and tracking, and a method and a device for determining an optimal camera pair. In the method for object positioning, positioning is carried out for objects in a preset space by a plurality of cameras specially arranged for the preset space. The method for object positioning includes that: rough positioning is carried out for an object; a first optimal camera pair is retrieved in an optimal camera pair look-up table as a chosen camera pair according to positions obtained by rough positioning, wherein position information in the preset space and corresponding optimal camera pair of the plurality of camera pairs are stored in relevance in the optimal camera pair look-up table, indicating that, for the position corresponding to the position information, the positioning accuracy of the optimal camera pair is better than the positioning accuracy of any other camera pairs in the plurality of camera pairs; and fine positioning is carried out for the object by utilizing the chosen camera pair. According to the method and the device for object positioning and tracking, and the method and the device for determining an optimal camera pair, the positions and directions of the plurality of cameras can be arranged at will, and object positioning and/or tracking is achieved rapidly and accurately.

The invention discloses an integrated wireless temperature and humidity control device system. The integrated wireless temperature and humidity control device system includes integrated temperature and humidity control devices, controllers for the integrated temperature and humidity control devices, a Zigbee router, the Internet, a monitoring platform, a mobile terminal and users; a plurality of integrated temperature and humidity control devices are evenly arranged in a controlled field; each integrated temperature and humidity control device is controlled by the corresponding controller; the controllers are connected with the Zigbee router; the Zigbee router is connected with each user through the Internet; the Zigbee router is connected with the monitoring platform through the Internet; and the monitoring platform is connected with the mobile terminal through GPRS. The integrated wireless temperature and humidity control device system is advantageous in simple structure, and flexible and convenient control. Each integrated temperature and humidity control device can either work independently or work in a clustered manner; and by means of the system monitoring platform, data interaction and command transmission between the users and the control terminals can be carried out conveniently; and therefore, the integrated wireless temperature and humidity control device system is further advantageous in simple structure, excellent control performance, low cost and wide application range.

The present invention discloses decoration board mounting method. The installation includes the following steps: fixing the male part and the female part of nylon fastener onto the base to be decorated, such as wall, light steel keel, etc. and the decoration board separately; and then fastening the nylon fastener. The present invention has good integral decoration effect, easily changed decoration layout, easy repair, and capacity of raising the damping and noise reducing effect of partition wall and ceiling.

The invention discloses a method for improving the heat exchange calculation performance of a steam generator in a sodium-cooled fast reactor system program, which comprises the following steps: dividing a sodium-cooled fast reactor direct-current steam generator by adopting a fixed grid method, determining the grid division of a steam generator thermal component by adopting the fixed grid method,and calculating the CHF generation position. And judging the heat exchange mode of each grid, and respectively calculating the heat exchange coefficient of each grid according to the working conditions of single-phase liquid heat exchange, nuclear boiling, membrane boiling and superheated steam. And on the basis of the fixed grid, using the CHF movable boundary model for carrying out grid division on the control body with the CHF phenomenon again, and recalculating the heat exchange coefficients of the upper heat component and the lower heat component. Setting boundary conditions, repeating the steps, calculating the heat exchange coefficient of the next time step of each grid, and finally obtaining the heat exchange amount of the steam generator at each moment. According to the method, the heat exchange calculation precision of the once-through steam generator in the analysis program of the sodium-cooled fast reactor system is guaranteed, and the solving speed of the reactor numerical calculation program is increased.

The invention discloses a long-life variable residence, which includes a large space structure, wherein, the large space structure fully adopts variable space inside thereof; and the variable space is designed and constructed by a user. The invention also discloses a construction method for the long-life variable residence, which comprises the following steps: 1) the construction of the large space structure is conducted by a construction unit; and 2) design and construction for the variable space by the user include the design of house types and concrete layout; each pipeline is arranged comprehensively and connected with standpipes among public equipments; a movable overhead floor is installed; the functional separation is achieved through inner movable partition boards according to the design house types; an integral kitchen and an integral washroom are installed, so as to achieve the connection among the integral kitchen, the integral washroom and each pipeline indoors. The large space structure in the invention fully adopts variable space inside thereof, the movable overhead floor layer has the detachable performance, and the pipeline capable of being freely mounted is arranged between the movable overhead floor layer and a lower floorboard, thereby breaking through limitation of difficult reconstruction for the house types of traditional residence.

The invention discloses a smoke waste heat utilization system. In the smoke waste heat utilization system, a chemical working medium is used as a heat-transfer medium, heat circulation and waste heat utilization efficiency is improved according to the characteristics of low-boiling point and heat absorption of the chemical working medium; meanwhile, the concentration of the chemical working medium is adjustable, so the boiling point of the working medium can be adjusted by adjusting the concentration of the chemical working medium for adapting to different parameters of waste heat. The arrangement range of a heat exchange boiling device of the smoke waste heat utilization system is so wide that the heat exchange boiling device can be arranged on a horizontal flue as well as on a flue which forms an inclined angle of more than 15 DEG C with the ground. The heat exchange boiling device comprises a vertical flue and an elbow.

The invention discloses a method for repairing a local crack of a concrete beam by using a shallow embedded shape memory alloy wire. The method for repairing the local crack of the concrete beam by using the shallow embedded shape memory alloy wire comprises the steps of 1) forming a groove in the concrete beam with the local crack within a protective layer depth range; 2) embedding a shape memory alloy after being stretched to generate pre-strain into the groove; 3) injecting a bonding material into the groove; 4) electrifying and heating the shape memory alloy; and after cooling, using permanent return stress to apply prestress to the concrete beam; and 5) recovering a concrete protective layer to finish reinforcing. According to the method for repairing the local crack of the concrete beam by using the shallow embedded shape memory alloy wire, in the case of not changing the appearance of an original structure, the shape memory alloy is driven to generate the permanent return force as the pre-stress to act upon the local crack of the concrete beam through thermal excitation on the shape memory alloy so that the stress state of the local crack of the concrete beam is improved and the local crack is reduced or closed; and therefore, the bearing capacity and durability of the structure are improved; and meanwhile, limitations such as low pre-stress, difficult anchorage device mounting and poor aesthetic property of a traditional active reinforcing method are avoided.

The invention relates to the field of advanced geological forecasting of shield tunneling construction and discloses an advanced geological forecasting method in shield tunneling construction processes and a system. The method comprises steps of acquiring reflecting waves and penetrated waves formed when earthquake waves generated by mechanical vibration of a shield tunneling machine during the construction process meet a reflecting interface in the preset position and preset direction so as to form an earthquake data file; using vibration signal data in the moving state of the shield tunneling machine; and carrying out data integration processing and analyzing, thereby forming, outputting and displaying images of front geological conditions of construction of the shield tunneling mechanism. The system can continuously acquire data in real time. There is no need to install devices on a knife disc of the shield tunneling machine. Compared with the prior art, limitation on installation of the devices is eliminated, detection precision can be effectively improved and detection distance can be effectively extended.

The invention relates to a piston type stroke multiplication connecting rod non-swinging engine, comprising a stand, and a cylinder body, a bearing and an internal gear which are fixedly arranged on the stand, the cylinder body is internally matched with a piston, a back end of the piston is fixedly connected with a piston rod, the internal gear is correspondingly meshed with a planet wheel, the bearing is dynamically matched with a crankshaft, the crankshaft neck is dynamically matched and sheathed with the planet wheel and an eccenter connected with the planet wheel into a whole, the eccenter is dynamically matched and connected with the back end of the piston rod. The distance between the axle center of the eccenter and the axle center of the crankshaft neck is equal to that between the axle center of the crankshaft neck and the axle center of the crankshaft and also equal to the radius of the planet wheel, the radius and the number of teeth of the internal gear are two times of those of the planet wheel. Therefore, the crankshaft of the engine of the invention can be manufactured integrally, and the slide tolerance and compatibility of the moving parts of the whole engine can be guaranteed by using the integral manufacturing technology of the crankshaft.

The invention discloses a green belt unit for biological filtration and collection of rainwater on both sides of a road, comprising a rainwater collection well, a left biological filtration system, a right biological filtration system and a drainage pipeline. The biological filtration system on the left and the biological filtration system on the right are symmetrically arranged and have the same configuration characteristics; the overflow pipe outlet is set at the lower part of the rainwater collection well. It is connected with the rainwater collection well. The neck of the rainwater collection well is equipped with a pump. The outer edges of the water distribution channels on the front and rear sides of the water distribution channel are provided with water distribution channel water inlets. The distance between the adjacent water distribution channel water inlets is 5m. The length is 1m, and a wire mesh is installed in the water inlet of the water distribution channel; multiple groups of irrigation perforated pipes are connected between the front and rear water distribution channels, and the spacing between the left and right adjacent irrigation perforated pipes is 1m. The present invention collects and stores urban rainwater, realizes biological filtration of urban rainwater, and meets the requirements of receiving water bodies for rainwater.

The invention relates to a multi-band combiner with a cavity, which relates to the field of electronic communication and aims to solve the technical problems that ports of the conventional multi-band combiner are limited by positions and cannot be arranged optionally and the conventional multi-band combiner is large in size, high in cost and inconvenient in mounting and transport and the like. The multi-band combiner comprises a circuit with multiple ports, the circuit is formed by at least a public output port (1) and two input channels of a first input port (10) and a second input port (11) , each input channel comprises an input port and a filter, an output port of the filter is connected with the public output port (1), the filters and the output ports of the filters are connected with the public output end (1) through port coupling wires (24), and the input ports and the public input port (1) can be arranged at any positions of the outer wall of a cylindrical cavity (20). The multi-band combiner with the cavity is applicable to outdoor places crowded with people, vehicle-mounted radio stations and the communication network.

The invention relates to a method for preparing bovine serum albumin hybridization membrane, belonging to the technical field of biological-organic hybridization. The preparation technique comprises preparation of powder hybridization membrane and layer-by-layer assembled hybridization membrane. In preparing layer-by-layer assembled hybridization membrane consisting of multilayer packaging protein and houghite nanoplates, the protein and the houghite form membrane in an alternating way in the layer-by-layer assembled hybridization membrane; characteristic spectrum intensity of the protein increases in a linear way along with the increase of assembled layers; the houghite plates are arranged on the surface of the substrate in a compact way, membrane structure of ovine serum albumin hybridization membrane prepared by layer-by layer assembly is even and continuous, the spectral intensity of the ovine serum albumin increases in a linear way along with the increase of assembled layers; the surface of the hybridization membrane is compact and smooth, the protein is evenly distributed on the surface of the membrane. The method has the advantages that the method for simultaneous preparation is easy in that no complex device is needed, the preparation cost is low, water is the only solvent in the preparation process and the preparation method is environment-friendly.

The invention provides a hydraulic transmission type metal mixer which comprises a main body, a suspension support device and a tilting device, wherein the main body is a rotator, a rotating shaft of the main body is horizontally arranged, and the top of the main body is provided with a charging hole; one side of the main body is provided with a tap hole, and the other side is connected with the tilting device; the suspension support device is used for suspending the main body, so that the main body can tilt around the rotating shaft under the driving action of the tilting device; the center of gravity of the main body deviates from the rotating shaft, and the rotation of the main body is eccentric rotation; the tilting device comprises a power unit and a hydraulic transmission system; and the piston output end of the hydraulic transmission system is fixedly connected with the bottom of the side face of the main body, and makes a rectilinear motion. By fundamentally improving the traditional transmission system of the metal mixer, the invention has the advantages of simplified structure, simple technique, lighter weight, investment saving and high safety, shortens the processing cycle, reduces the spare parts, is convenient for maintenance and simple for operation, lowers the energy consumption and prolongs the service life of the equipment.

The invention relates to a pipeline decoration and protection device of a buckled building external wall, and effectively protects and decorates a building outdoor pipeline, reduces the cost, improves the building appearance and prolongs the service life of the pipeline. The technical scheme comprises that: the pipeline decoration and protection device comprises a pipe body and a hole cover arranged on the pipe body. The pipe body is formed by sleeving a sealed straight pipe, a buckled 90-degree bent pipe, a first buckled straight pipe, a buckled 45-degree bent pipe and a second buckled straight pipe; the hole cover is arranged on the connection part between the sealed straight pipe and the buckled 90-degree bent pipe; the buckled 90-degree bent pipe, the first buckled straight pipe, the buckled 45-degree bent pipe and the second buckled straight pipe are formed by buckling an upper pipe body and a lower pipe body; and a fixing hole is formed at the bottom of the lower pipe body. The pipeline decoration and protection device has a simple, novel and special structure, is convenient to arrange and use, and particularly has giant economic and social benefits in the day of popularizing air conditioners and solar water heaters.

The invention discloses an intelligent trolley positioning system and method based on radio frequency identification and image identification, relates to the technical field of intelligent urban traffic simulation. The system comprises a traffic sand table model, an industrial camera, an intelligent trolley, an IC card reader, a wireless data receiving terminal and a video positioning server. An IC card reader on the traffic sand table model reads IC card information of the intelligent trolley and sends data to a wireless data receiving terminal, and the wireless data receiving terminal sendsthe data to a video positioning server through a serial port, analyzes the data and determines the ID and basic position information of the trolley. The industrial camera captures position coordinatesof the trolley by using an optical filter, information obtained by IC card reader is matched with ID and accurate position of the trolley. The industrial camera and the card reader are utilized to connect the video positioning system and the IC system, the position of the intelligent trolley on the traffic sand table model is accurately positioned, real-time driving track tracking is carried out,and the requirements of a modern simulation laboratory are met.

The invention discloses a Pu'er tea pile fermentation Internet of Things monitoring system and monitoring method, and the system comprises a temperature and humidity monitor which is used for detecting Pu'er tea pile fermentation environment parameter data; a cloud server which is used for receiving the environmental parameter data uploaded by the temperature and humidity monitor and carrying outdata processing on the environmental parameter data to obtain environmental parameter information; and a receiving terminal which is in network connection with the cloud server and is used for receiving the environmental parameter information pushed by the cloud server. According to the invention, the problems of low efficiency, poor accuracy, poor real-time performance, incomplete monitoring andthe like caused by experience and limb perception of Pu'er tea pile fermentation for a long time can be solved. In the Pu'er tea pile fermentation process, the functions of real-time, remote and accurate monitoring, alarming and the like of the temperature and humidity in the pile are achieved, and the Pu'er tea pile fermentation technology digitization and standardization are achieved, the pile fermentation quality stability is guaranteed, and the innovative technology of Pu'er tea brands is created.

The invention provides an interactive body three-dimensional display device based on photophoresis capture and a control method thereof. The device comprises a particle control system, an upper computer, a projection system and an interaction system. The particle control system comprises a laser, a light modulator 1, a three-dimensional scanning system 1 and a particle container; the projection system comprises an RGB laser system, a light modulator 2 and a three-dimensional scanning system 2; wherein the upper computer is respectively connected with the laser, the light modulator 1, the three-dimensional scanning system 1, the particle container, the RGB laser system, the light modulator 2 and the three-dimensional scanning system 2; the interaction system is connected with the upper computer; the interaction system is used for identifying the position and action information of the human body and transmitting an instruction to the upper computer according to an identification result,and the upper computer optimizes the viewing angle and interacts by adjusting the particle control system and the projection system. According to the invention, wide-color-gamut, high-resolution and low-speckle true three-dimensional imaging in a free space can be realized, and the system safety and the cost are more advantageous.

The invention relates to a bridgeless fork interchange structure comprising a first-direction road, a second-direction road, a third-direction road, an upgoing one-way lane, a downgoing one-way lane, a first left-turn curve and a second left-turn curve. The upgoing one-way lane is divided into two ways at the fork, one way is connected with an upgoing lane of the first-direction road, and the other way is connected with the first left-turn curve. The first left-turn curve is connected with the downgoing one-way lane. The first left-turn curve is connected with a downgoing lane of the third-direction road through a first right-turn curve. A downgoing lane of the first-direction road is connected with the downgoing one-way lane. The downgoing lane of the first-direction lane is connected with the downgoing lane of the third-direction road through the first right-turn curve. An upgoing lane of the third-direction road is connected with the downgoing lane of the second-direction road through a second right-turn curve. The upgoing lane of the third-direction way is connected with the upgoing one-way lane through the second left-turn lane. The bridgeless fork interchange structure has the advantages that the structure is simple, construction is easy, the construction cost is low, the occupied area is small, and the ground ways can be arranged at will.

The invention relates to a signal light optical device realizing three-dimensional lighting. The optical device comprises one or more optical units, wherein each optical unit is defined by a front surface, a rear surface and a side surface for connecting the front surface and the rear surface, the side surface is a light incoming surface partially or totally, optical decorative patterns are arranged on the front surface and/or the rear surface, the front surface and/or the rear surface are/is a light outgoing surface, the optical unit is of a sheet structure, the two opposite large surfaces on the optical unit are the front surface and the rear surface, and each of the front surface and the rear surface of the optical unit can be a single plane, a combination of multiple planes, a single curved surface, a combination of multiple curved surfaces or a combination of a plane and a curved surface; when the optical device comprises multiple optical units, the optical units are arranged in sequence in the front-back direction at intervals preferably. The optical device has the biggest difference from the traditional signal lights that the three-dimensional light emitting effect can be realized, various light emitting ways are provided, and individual needs are met more easily.

The invention discloses a computer keyboard. The keyboard separates the keyboard keys from the keyboard panel base, and sets each key as an independent unit key switch device. Each independent unit key switch device is an independent individual. It is no longer fixed on the keyboard panel base, each independent single key switch device is arranged arbitrarily according to the best needs of the software, and the upper panel of the keyboard panel base is set as a plane, so that each independent single key switch device can be placed on the Arbitrary placement at any position on the keyboard panel plane. Each independent single key switch device performs signal transmission with the keyboard chip through the signal line. Although the keys frequently used by each software are different, the keys can be arranged arbitrarily together according to the needs, so as to operate the keyboard quickly and efficiently, which is conducive to improving work efficiency and reducing work intensity.