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 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 provides a clamp support with tying bands. The clamp support comprises a support, clamps and the tying bands, wherein the tying bands are connected with the clamps; the support is connected with the clamps in a detachable mode; and the support is provided with a fixed structure which is connected with splicing tables. According to the clamp support, air pipes are tied by the tying bands, so that the air pipes are firm; and the number of the tied air pipes is flexible and can be increased or decreased according to requirements. The clamps are arranged on the support, so that the clamps can be arranged outside the splicing tables, the flexibility is high, and the work efficiency is improved.

The invention provides a smashing mechanism of an excrement treatment device and belongs to the technical field of excrement treatment. The smashing mechanism of the excrement treatment device comprises a supplied material cavity, a smashing part and a feeding passageway. The supplied material cavity is used for conveying excrement and provided with a supplied material outlet for discharging the excrement. The smashing part stretches into the supplied material cavity and used for smashing the excrement in the supplied material cavity. The feeding passageway is arranged on the supplied material outlet and used for receiving the excrement discharged by the feeding cavity and smashed by the smashing part and discharging the excrement outside. The smashing mechanism of the excrement treatment device has the advantages of being reasonable in design and reliable in work.

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 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.

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 communication

Go 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 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 provides a flame-retardant wire fixing device and an electrical cabinet. The flame-retardant wire fixing device comprises a wire fixing shell and an air bag, wherein the wire fixing shell is provided with a mounting surface suitable for being fixed on a wiring component, and is also provided with a threading hole suitable for a cable to pass through; the air bag is arranged on the hole wall of the threading hole and used for wrapping and clamping the cable or used for being matched with the hole wall of the threading hole to clamp the cable. The air bag is filled with flame-retardant gas, and the air bag is broken at high temperature to release the flame-retardant gas when the cable is overheated or burnt due to a line fault. According to the flame-retardant wire fixing device provided by the invention, flexible installation and wiring can be carried out according to a wiring path, the wiring cost is saved, the air bag can reliably fix cables with different diameters, the applicability is high, when the cables are overheated or burnt due to line faults, the air bag is broken at high temperature to release flame-retardant gas, and the flame-retardant effect is good. The cable can be quickly isolated from air so as to prevent high-temperature combustion of the cable or prevent further combustion of the cable.