53results about How to "Flexible quantity" patented technology

The invention discloses a barrier-property lapped polymer film packaging material comprising at least one layer-multiplied and coextruded lapped barrier compound layer. Each barrier compound layer comprises a plurality of repeating units which comprise at least two individual layers; each individual layer corresponds to one of two different polymers; at least one repeating unit of the lapped barrier compound layer at least comprises three individual layers; each of the individual layers corresponds to one of three different polymers; and at least one of the at least three polymers forms at least one barrier-property polymer part which can separate gas.

The invention provides a single channel communication signal and interference blind separation method based on mutation particle swarm particle filtering (MPSOPF-SCBSS), and belongs to the communication signal processing and communication anti-interference field. In view of the single channel communication signal and interference blind separation problem in the condition of large interference-to-signal ratio, small number of particles and low signal-to-noise ratio, the method adopts Bayesian filtering estimation for communication signal and interference separation. According to the method, a single channel disturbed communication signal state space model is firstly built, the single channel interference and signal blind separation problem is converted into joint estimation of communication symbols and unknown system parameters, and joint estimation is realized through mutation particle swarm optimization particle filtering to achieve the blind separation purpose; through a velocity-displacement update function and a Metropolis-Hastings mutation rule in the particle swarm optimization, the needed particle number in the sequential estimation process is reduced and diversity of the particle set can be ensured. In addition, the provided mutation particle swarm optimization rule reduces demands on the signal-to-noise ratio of communication signals in the single channel disturbed condition.

The invention discloses a hydrodynamic force based unmanned aerial vehicle (uav) replenishment device which is mainly applicable to the field of seaborne replenishment and is characterized by mainly comprising a water surface engine compartment, a connecting hose and a fuselage, wherein an engine is arranged in the water surface engine compartment, provides power for the entire replenishment device, and pumps seawater, the pumped seawater is conveyed to the fuselage by the connecting hose and then is sprayed out through a spray tube to generate thrust and provide power for flight of the fuselage. An object loading platform is arranged on the fuselage and used for carrying and transporting seaborne goods and materials. The hydrodynamic force based unmanned aerial vehicle (uav) replenishment device solves the problems that the existing replenishment device for seaborne ships is complicated in structure, longer in previous preparation time, liable to influence of sea wave and sea breeze, and has higher requirements for synchronization of two ships and has the advantages of being high flexibility and speed and being suitable for replenishment.

The invention discloses a vibrating diaphragm fan, a mobile phone applying the same and a diaphragm vibrating and ventilating method. The vibrating diaphragm fan comprises a sealed cavity and a vibrating component, wherein the sealed cavity is internally provided with a driving vibrating diaphragm, more than one incoming air rectifying sheet and more than one outgoing air rectifying sheet; the vibrating component is connected with a control circuit to drive the driving vibrating diaphragm to vibrate; the incoming air rectifying sheet is arranged at the place where an air inlet is and includes a driven vibrating diaphragm layer and a rectifying layer; the rectifying layer is arranged at the outer side and is provided with an air inlet hole; the driven vibrating diaphragm in a non-vibrating state is stuck tightly to seal the air inlet hole; the outgoing air rectifying sheet is arranged at the place where an air outlet is and includes a driven vibrating diaphragm layer and a rectifying layer; the rectifying layer is arranged at the inner side and is provided with an air outlet hole; the driven vibrating diaphragm when in a non-vibrating state is stuck tightly to seal the air outlet hole; and the driving vibrating diaphragm drives the driven vibrating diaphragm on the incoming air rectifying sheet or the outgoing air rectifying sheet to do reciprocating vibration through air, so that air is sucked or sent from the air inlet or air outlet of the rectifying layers.

The invention relates to a tuning inertance system using collision friction damping energy consumption in the civil engineering and energy infrastructure field. The system comprises a tuning spring unit, an inertance unit, a collision friction damping unit and an installation unit. The inertance unit is taken as an energy absorption and energy consumption synergy mechanism, one end is connected tothe side portion of the installation unit and the other end is connected to the collision friction damping unit. The inertance unit and the collision friction damping unit are slidably arranged on the bottom of the installation unit through the respective bottom. Simultaneously, the two ends of the tuning spring unit are connected to the side portion of the installation unit and the collision friction damping unit. In the invention, multiple vibration absorption and energy dissipation mechanisms are established, the quality synergy effect of the inertance system is fully used and additional physical mass required for the collision friction damping unit is effectively reduced, and simultaneously, the deformation of the entire collision friction damping unit can be effectively controlled and the efficiency of the internal damping energy consumption of collision friction damping is further improved.

The invention discloses a small-sized quick-assembling dual-polarized high isolation antenna, which comprises a reflecting surface, a feed source, a plastic supporting outer shell and a fixed base, and is characterized in that the reflecting surface comprises a primary paraboloidal reflecting surface and a secondary paraboloidal reflecting surface, the primary paraboloidal reflecting surface is composed of a plurality of paraboloid units, and the feed source comprises two groups of dipole antennas which are perpendicular to each other. Compared with the traditional reflecting surface integrated forming design, the die stamping size is reduced, the production cost is decreased, the paraboloid units are identical in shape and size, and the paraboloid units can be placed and packaged in a stacking manner, thereby reducing the packaging size and facilitating transportation; and the feed source comprises the two groups of dipole antennas which are perpendicular to each other, the signal transmitting / receiving capability is enhanced, the isolation between the antennas can be improved by adjusting the distance between the two groups of dipole antennas, and the anti-interference capability of the feed source is enhanced.

The invention discloses a spiral tube type air-air heat exchanger in a circular passage, and relates to the field of air-air heat exchangers. The spiral tube type air-air heat exchanger in the circular passage comprises a plurality of heat exchanging units which are evenly arranged in the circular passage in the circumferential direction of the circular passage. Cold air flow in the circular passage moves in the axial direction. Each heat exchanging unit comprises a hot air flow inlet air collecting pipe and a hot air flow outlet air collecting pipe which are arranged in the flowing direction of the cold air flow and a plurality of spiral heat exchanging pipes, wherein the two ends of each spiral heat exchanging pipe communicate with the hot air flow outlet air collecting pipe and the hot air flow inlet air collecting pipe correspondingly. The spiral heat exchanging pipes are distributed in sequence in the flowing direction of the cold air flow to form a heat exchanging pipe bundle. An outlet of each hot air flow outlet air collecting pipe and an inlet of each hot air flow inlet air collecting pipe are located at the same end of the corresponding heat exchanging unit and penetrate through the inner wall or the outer wall of the circular passage. The other end of each heat exchanging unit is a free end.

The invention discloses a novel zinc melting furnace and belongs to the technical field of metal smelting. The problems that when a small number of zinc blocks are heated in an existing zinc melting furnace, heating time is long, and energy consumption needed by zinc block melting is high are solved. The novel zinc melting furnace comprises an outer furnace frame and a plurality of inner hearths.The outer furnace frame is a rectangular frame composed by front, rear, left and right side walls. The side walls of the left and right sides of the outer furnace frame are each provided with a furnace lug. The side walls of the front and rear sides of the outer furnace frame are each provided with multiple sets of oppositely formed clamping grooves. Each inner hearth comprises a furnace body, a bottom plate and clamping blocks, wherein the bottom plate is arranged at the bottom of the furnace body, the clamping blocks are arranged on the side walls of the front side and the rear side of the furnace body oppositely, and the inner hearth and the outer furnace frame are arranged in the clamping grooves and are clamped together through the clamping blocks.

Intelligent distribution of the transmission on a regulating unit R and one or more intelligent power components L1 to L3 and interconnection of these components with standardized serial interfaces 2, 4, 6 that can be used under high power conditions, above The scheme can realize the identification and judgment of different power components and their performance data. In addition, components can be modified independently without corresponding effects on other components.

The invention discloses a camera module and electronic equipment, and belongs to the technical field of electronic equipment. The camera module comprises: a shell; a lens partially arranged in the shell; a first circuit board arranged in the shell and positioned on one side of the lens; a photosensitive chip arranged on the first circuit board and located on the side, close to the lens, of the first circuit board; a first deformation assembly arranged in the circumferential direction of the first circuit board, and provided with fluid; and / or a second deformation assembly arranged on one side, far away from the photosensitive chip, of the first circuit board, and provided with fluid; When the device is powered on, the first deformation assembly deforms through flowing of the fluid, drives the first circuit board to move in the plane direction of the first circuit board and drives the photosensitive chip to prevent shake, and / or the second deformation assembly deforms through flowing of the fluid, drives the first circuit board to obliquely move and drives the photosensitive chip to prevent shake.

The invention provides a special vehicle height limit measuring method. The method comprises the following steps of 1, acquiring single-point laser radar measurement data arranged in front of vehicle-mounted equipment at the top of a vehicle body, 2, analyzing and processing the acquired measurement data to determine the minimum height value between the barrier and the vehicle roof, and 3, comparing the minimum height value between the barrier and the vehicle roof with the height of the vehicle-mounted equipment, and judging whether the vehicle can normally pass through the obstacle or not. According to the special vehicle height limit measuring method, the single-point distance measurement laser radar is used for measuring the distance to perform height limit measurement, the maximum height limit of the vehicle on a running road is dynamically measured, and the running safety and normal running of the special vehicle are ensured.

The invention provides a vertical aquaculture tank. The vertical aquaculture tank comprises a detachable rack, an upper-layer aquaculture tank body, a middle-layer aquaculture tank body and a bottom-layer aquaculture tank body, wherein the upper-layer aquaculture tank body, the middle-layer aquaculture tank body and the bottom-layer aquaculture tank body are arranged in the rack in sequence from top to bottom, the volumes of the upper-layer aquaculture tank body, middle-layer aquaculture tank body and bottom-layer aquaculture tank body increase in sequence, the middle-layer aquaculture tank body can be inlaid in the bottom-layer aquaculture tank body, and the upper-layer aquaculture tank body can be inlaid in the middle-layer aquaculture tank body. Compared with a single-layer round culture pond, the space utilization rate of the aquaculture tank bodies stacked in a rectangular shape can be increased by 200% or above. The tank bodies can be nested with one another, thereby reducing nearly one third of transportation cost. The number and connection mode of the tank bodies are flexible and can be adjusted according to the actual site condition and aquaculture requirements. Every three tank bodies correspond to a water treatment system to form a complete module, and only the corresponding module needs to be added to achieve the expansion of the aquaculture scale.

The invention discloses an underwater wireless collecting ring of a fountain. The underwater wireless collecting ring comprises a collecting ring rotor and electric slip ring. Water-sealed structuresare between the upper and lower ends of the metal collecting ring housing and a fountain rotating shaft. An input power line is electrically connected with the corresponding electric slip rings through an electric brush. A fountain control device is electrically connected to a signal input / output terminal of a modem A which is disposed on a fountain stationary body through a control signal line, and a signal input / output terminal of a modem B passes into the metal collecting ring housing in a sealed manner through the signal control line, and is electrically connected with a receiving / transmitting antenna which is arranged in the metal collecting ring housing. The modem A and the modem B are connected in a wireless communication manner through a transmitting / receiving antenna and the receiving / transmitting antenna. The underwater wireless collecting ring satisfies transmission of strong electricity, and satisfies stable transmission of weak electricity. The control signals between thefountains do not interfere, and the number of control lines can be easily expanded without increasing axial dimensions of the collecting ring.

The invention relates to an insulating rod batch test grounding electrode which is characterized by consisting of a plurality of single grounding electrodes, wherein the plurality of single grounding electrodes are mounted on a conductive fabric I; one end of the conductive fabric I is connected with a grounding conductor; each single grounding electrode comprises a conductive fabric II and fixing fasteners; and the fixing fasteners are arranged at two ends of the conductive fabric II. The defect that a cylindrical insulating part of an insulating rod is poor in grounding is overcome, the grounding electrode can be used flexibly according to different numbers of insulating rods, snap fasteners are firm in connection, the repeated use frequency is high, and the operation is convenient. According to the insulating rod batch test grounding electrode, the insulating rod grounding reliability and safety can be enhanced, the working efficiency can be improved, and the labor intensity of testers is alleviated.

The invention provides a two-dimensional expansion joint. The two-dimensional expansion joint comprises an expansion joint body; the vertical cross section of the expansion joint body comprises a longitudinal corrugation part, a connecting part and a transverse corrugation part which are connected in sequence; the longitudinal corrugation part comprises at least one longitudinal corrugation section, each longitudinal corrugation section comprises a longitudinal wave arc segment and longitudinal wave extended segments connected with the two ends of the longitudinal wave arc segment, and the central axis of each longitudinal wave arc segment is parallel to the transverse direction; the transverse corrugation part comprises at least one transverse corrugation section, each transverse corrugation section comprises a transverse wave arc segment and transverse wave extended segments connected with the two ends of the transverse wave arc segment, and the central axis of each transverse wave arc segment is parallel to the longitudinal direction. According to the two-dimensional expansion joint, on the basis of a corrugated expansion joint displacement compensation mechanism, the longitudinal wave arc segments of the longitudinal corrugation part of the expansion joint body has an absorption effect on longitudinal displacement, the transverse wave arc segments of the transverse corrugation part of the expansion joint body has an absorption effect on transverse displacement, the function of compensating displacement in the longitudinal direction and the transverse direction simultaneously can be achieved.

Disclosed is a device for chromatographic separations comprising: a manifold comprising a manifold body defining an elongate central duct, the central duct comprising a centrally-located closable duct valve providing selective fluid communicationGo between a first portion of the central duct and an opposed second portion of the central duct, a first plurality of connectors, each connector of the first plurality of connectors for connecting to a distinct chromatographic separation column and / or feed or extraction tubing or to a connector of an adjacent manifold; a second plurality of connectors, each connector of the second plurality of connectors for connecting to a distinct chromatographic separation column and / or feed or extraction tubing or to a connector of an adjacent manifold; wherein said manifold body further defines: a first plurality of branch ducts, each branch duct of which extending from the first portion of the central duct to an individual one of the first plurality of connectors, each of the branch ducts of the first plurality of branch ducts comprising a closable branch valve providing selectable fluid communication between a respective connector and the first portion of the central duct, a second plurality of branch ducts, each branch duct of which extending from the second portion of the central duct to an individual one of the second plurality of connectors, each of the branch ducts of the second plurality of branch ducts comprising a closable branch valve providing selectable fluid communication between a respective connector and the second portion of the central duct; first and second ports in fluid communication with the centrally-located closable duct valve wherein said first port communicates with said first portion of the central duct and said second port communicates with said second portion of said central duct, wherein one of said first and second ports is further positioned to communicate with said central duct at a location between the centrally-located closable duct valve and the first and second plurality of branch ducts, respectively.

The invention relates to the technical field of mounting construction, and discloses a built-in corner plugin. The built-in corner plugin comprises a mounting part and a plurality of tubular corner parts, wherein six mounting surfaces are arranged on the mounting part; and one ends of the corner parts are fixed to the mounting faces of the mounting part, and connecting structures are arranged on the side faces of the corner parts. According to the built-in corner plugin, firm fixing of a square pipe is achieved through various forms of the connecting structures, frame connecting points is excessive in smoothness, the strength requirement of the connecting points can also be met, the mounting process is extremely simple, too many auxiliary tools are not needed in the mounting process, and the number of construction steps is small, so that the construction efficiency is favorably improved.

The invention relates to the field of water permeable brick processing machinery, in particular to water permeable brick green brick raw material mixing and stirring equipment which comprises a machine body, a stirring mechanism connected to the interior of the machine body, a capacity mechanism connected to the interior of the machine body and used for storing materials, and an adjusting assembly connected to the capacity mechanism and used for adjusting the capacity of the capacity mechanism. And a discharge port of the capacity mechanism is communicated with a feed port of the stirring mechanism. The feeding device has the effect of improving the feeding accuracy.

The invention discloses a CIS detecting device for circuit boards. The CIS detecting device comprises CIS line array cameras, linear light sources and a circuit board conveying mechanism; the linear light sources are arranged at the two sides of the CIS line array cameras, the optical axes of the CIS line array cameras and main light of the linear light sources intersect on the same straight lineof the circuit boards on the circuit board conveying mechanism; the length of the CIS line array cameras is the same as that of the linear light sources, the linear light sources are installed at thebottoms of the CIS line array cameras, and the CIS line array cameras and the linear light sources stretch across the circuit board conveying mechanism. The CIS line array cameras can simultaneously take continuous images of a portion which is located below the cameras and is comparable to the camera in length. When the number of the circuit boards needs which need to be simultaneously detected ischanged, the number of the circuit boards can be increased or decreased by adjusting the distance between every two circuit boards, so that the number of the detected circuit boards is flexibly set within a certain range without being influenced by the size of the circuit boards. Therefore, the application flexibility of the detecting device is higher, and the equipment cost is reduced.

The invention discloses a model train speed-increasing device driven by a servo motor. The whole device includes a test section and a motor acceleration section. The test section is set according to different test contents. The motor acceleration section is composed of a servo motor drive system and an acceleration guidance system. , connecting track system, adjustable supporting steel frame system, etc., is characterized in that, during the test process, the high-speed model train passes through the motor acceleration section before the earthquake simulation shaking table array test section, and the motor acceleration section passes through the acceleration motor It provides the main stage power and drives the synchronous belt system for the main stage power transmission, so as to realize the rapid acceleration of the model train in a short distance. The entire test device provides a safe and reliable train speed-increasing scheme and technical support for the test research of high-speed trains running on bridges under earthquakes.

A star networking method for a biological signal sensor and a collector comprises the following steps: S1, starting; S2, configuring wireless networking parameters; S3, starting networking; S4, judging whether networking succeeds or not; S5, powering on a signal concentrator and a signal terminal again; and S6, enabling the signal terminal in the star network to transmit the acquired correspondingdata and communication state to the signal concentrator at default +20 dBM transmitting power. According to the invention, simple and intuitive wireless networking, network distribution and communication between the multi-channel biological signal collector and the sensor are realized, and the respective data propagation rate, stable bandwidth frequency and other functions are realized among thestar networks, so that the data packet loss rate caused by data collision is avoided in a physical space, and the integrity of the data is greatly ensured in time.