31results about How to "Easy to integrate and assemble" patented technology

The invention belongs to the technical field of microstrip transmission array antennas, specifically a four-beam microstrip transmission array antenna based on a super-surface, and a design method for the four-beam microstrip transmission array antenna. The antenna consists of a horn feed source and a super-surface microstrip transmission array. The horn feed source consists of a waveguide and a horn opening. The distance from the horn opening to the super-surface microstrip transmission array is set as F, and the diameter of the super-surface microstrip transmission array is set as D. The super-surface microstrip transmission array consists of N*N super-surface transmission units. Each super-surface transmission unit consists of three identical composite metal structures and two dielectric plates with the height h, wherein each composite metal structure consists of an I-shaped structure and metal pasters in complete left/right symmetry, and is used for achieving the coupling of two transmission modes in the same plane, thereby reducing the resonant frequency of the unit, and increasing the phase response slope and phase accumulation. The antenna is advantageous in that the antenna is low in side lobe, is high in gain, is balanced in wave beam, is light in weight, is low in cost, and is easy to assemble and integrate.

The present invention relates to a flexible supercapacitor with with NiS-MoS2 heterogeneous nano-sheet array structure based on carbon cloth loading and a preparation method thereof, belonging to thetechnical field of new energy material and device preparation. The flexible supercapacitor grows high-purity, high-density and high-orientation carbon cloth-loaded NiS-MoS2 heterogeneous nanosheet array by using anode material, carbon cloth coated with activated carbon as cathode material, PVA/KOH gel as diaphragm and electrolyte respectively. The anode has the advantages of high purity, high density, tidy appearance, strict controllable growth condition, simple equipment and process, low cost, high capacitance and good charge-discharge stability. The cathode material has excellent conductivity and large double-layer capacitance. The preparation process of the capacitor is simple, economical and environmentally friendly, and no post-treatment is needed. The supercapacitor provided by the invention has the advantages of light weight, large capacity, good cycle charging and discharging stability, and good flexibility, and can be used for power supply equipment of wearable electronic devices.

The invention provides a single-layer microstrip transmission array antenna based on a Huygens meta-surface and a manufacturing method thereof. The single-layer microstrip transmission array antenna is composed of a horn feed source and a Huygens meta-surface microstrip transmission array. The horn feed source is composed of a waveguide and a horn opening. The Huygens meta-surface microstrip transmission array is composed of N*N meta-surface transmission units. Each super-surface transmission unit is composed of two layers of composite metal structures symmetrical about the x-axis and a singlelayer of dielectric plate, wherein the upper layer composite metal structure is composed of two interconnected concentric arcs, and the opening of the concentric arc is upward; the lower layer composite metal structure is symmetrical with the upper layer composite metal structure about the x-axis, and the concentric arc opening of the lower layer composite metal structure is downward; the outer arcs of the upper and lower composite metal structures have an overlapping region. The single-layer microstrip transmission array antenna has the beneficial effects of low sidelobe, high gain, single-layer dielectric plate design, no through hole, low weight, low cost and easy assembling and integration.

A control system for automatically maintaining the horizontal posture of part of a deck of a ship or the work plane of instrument equipment is composed of a four-quadrant horizontal posture sensor, a control device, a servo mechanism and a deck frame. The servo mechanism is formed by hydraulic cylinders or air cylinders and electronic control pressure release valves, and the extending ends of piston rods of the four servo cylinders arranged vertically are connected with the four vertex angles of the frame. The coordinate original point of the four-quadrant horizontal posture sensor coincides with the geometrical center of the deck or a platform, output signals of the four-quadrant horizontal posture sensor represent inclination directions and degrees, and the servo mechanism is controlled through proportional-integral controllers to maintain the horizontal posture of the frame.

The invention discloses a spiral tubular heat exchanger for reducing tube winding. The spiral tubular heat exchanger for reducing tube winding comprises a housing and a spiral tube bundle with two ends mounted on a tube plate in the housing, wherein a tube pass inlet and a tube pass outlet or one or more tube pass inlets and outlets are formed in the housing; the tube pass inlet and outlet are used for distributing and collecting the heat exchange tube through a distributor; the spiral tube bundle is divided into multiple layers of concentric heat exchange tubes for being wound on a core tube; each layer of heat exchange tubes is spirally wound in the same direction; a separating wire is mounted between adjacent two layers of heat exchange tubes, and the winding direction is the same or reverse. Single heat exchange tube is formed by connecting one or more diameter tubes with different lengths; different diameter winding tubes are transited, fixed and connected through patterned plates. The spiral tube type heat exchanger disclosed by the invention can realize efficient heat exchange of different temperature sections under a large temperature span condition, and has the advantages of being compact in structure, high in heat exchange efficiency, beneficial to integrated assembly of heat exchangers in different temperature regions, capable of reducing the size of the heat exchanger, reducing the quantity of heat exchange equipment, and the like.

The invention discloses a single-layer microstrip dual-polarization transmission array antenna and a manufacturing method. The antenna is composed of a horn feed source and a Huygens metasurface microstrip dual-polarization transmission array. The horn feed source is composed of a waveguide and a horn opening, and the Huygens metasurface microstrip dual-polarization transmission array is composedof N * N metasurface transmission units. The metasurface transmission unit is composed of two layers of composite metal structures with biaxial symmetry on an xy plane and a single-layer dielectric plate, and the composite metal structure on the upper layer is formed by opening gaps on four sides of a square metal frame, and the composite metal structure on the lower layer is formed by removing four corners on a square metal frame. The dual-polarization transmission array antenna is manufactured based on a single-layer dielectric plate, through holes do not need to be punched, and the performance of the dual-polarization transmission array antenna meets the beneficial effects of low sidelobe, high gain, high aperture efficiency, enough bandwidth and the like, so that the dual-polarizationtransmission array antenna is easier to manufacture, lower in cost and easier to assemble and integrate under the condition that the same performance of a traditional transmission array antenna is achieved.

The invention discloses a radio frequency front end with high stability, and belongs to the technical field of radio frequency front ends. The radio frequency front end comprises a multi-layer circuitboard, chips, a vertical transition structure and a dielectric enclosure frame, and realizes the high-stability work of the radio frequency front end under high-frequency and high-integration requirements. The multi-layer circuit board is a multi-layer dielectric plate comprising a radio frequency transmission line layer, a control line layer, a power supply network layer and an isolation groundlayer, and is connected with the chips through solder balls and a heat dissipation substrate to realize electrical and thermal transmission. The chips are a power amplifier, an LNA, a radio frequencyswitch, an amplitude-phase control chip, a power divider chip and the like. The vertical transition structure is a vertical metal connecting hole connected with a strip-shaped transmission line, the dielectric material of the dielectric enclosure frame is the same as that of the multi-layer circuit board, vertical metal grounding holes are formed in the periphery of the dielectric enclosure frame,and the dielectric enclosure frame is prepared on the periphery of a chip cavity to form an isolation boundary with a certain height. According to the invention, the performance and the working stability of the radio frequency front-end module and the application system are effectively improved.

The invention discloses an assembling type steel plate bin integration system. The assembling type steel plate bin integration system comprises a bin body and a heat-insulation layer. The bin body is formed by arranging and assembling a plurality of single steel plate bin bodies. The top of each single steel plate bin body is sealed and flattened and then provided with a feeding inlet and an observation opening. A material distribution belt conveyer and a material distribution cart are laid at the joint of the tops of every two adjacent rows of single steel plate bin bodies, and the feeding end of each material distribution belt conveyer is in butt joint with the discharging end of a lifter arranged on one side of the bin body. A discharging belt conveyer is arranged under the bottom of each row of single steel plate bin bodies, and the outlet end of each discharging belt conveyer is in butt joint with a concentrated transportation belt conveyer. The number and the arrangement mode of the single steel plate bin bodies can be scientifically configured according to the design requirements, and the single steel bin bodies are connected into the bin body through common stand columns and cross beams of bases. The assembling type steel plate bin integration system has the advantages of facilitating mechanical assembling and integration, being small in occupied area and being large in storage volume. Remote and automatic control is facilitated, the material storage quality is improved, and the labor intensity of workers is relieved.

The invention provides a tubular muffler for an automobile. Muffling tubes are connected with a breather pipe through a three-way connector; plugs are arranged at the tail ends of the muffling tubes; and the length of each muffling tube meets the formula: L=(2n-1)c/4lambda, wherein n is a positive integer of 1, 2, 3..., L is the length of the tube, c is the sound velocity, and lambda is the peak noise wave length. Integrated supports with kidney-shaped holes are arranged on the outer sides of the muffling tubes; the plugs are installed at the tail ends of the muffling tubes through threaded structures; and hexagon socket head grooves are formed in the middles of the plugs. The peak noise of air in the breather pipe is eliminated by using the standing wave resonance principle of sound waves in the channels of muffling tubes; and the two or more muffling tubes are welded to the breather pipe, and therefore, the noise corresponding to two or more peak frequencies can be eliminated. The tubular muffler is simple in structure; the operation of integrating and assembling the tubular muffler with other parts is simple; maintenance is facilitated; the reliability is high; and the noise eliminating effect is remarkable.

The invention relates to the technical field of medical instruments, and particularly discloses a drug delivery micropump device which comprises a packaging shell, a driving module, a first driving electrode and a second driving electrode, and the driving module, the first driving electrode and the second driving electrode are installed in the packaging shell; a liquid medicine inlet and a liquid medicine outlet are formed in the two opposite ends of the packaging shell respectively, a plurality of microcavities penetrating through the two side faces of the driving module are formed in the driving module, the liquid medicine inlet is communicated with the liquid medicine outlet through the microcavities, and the first driving electrode and the second driving electrode are arranged on the two side faces of the driving module respectively. The invention provides a drug delivery micropump device based on the basis of the electro-osmosis micro-driving principle, the structure is simple and compact, only two core assemblies including the driving electrode and the driving module are arranged in the device, no mechanical motion friction part is arranged, the pump body can be assembled and integrated in a micro mode in a drug delivery system, the size can be obviously reduced, and the problem that a mechanical pump is prone to faults due to mechanical movement is solved.

The invention relates to a submarine sediment pore pressure observation probe rod gravity type penetration device and method. The submarine sediment pore pressure observation probe rod gravity type penetration device comprises a control cabin and an observation probe rod, a pressure-resistant cabin and an assembling cabin are formed in the control cabin, a first hanging ring is fixed to the pressure-resistant cabin, an underwater acoustic transducer, a pressure sensor and an attitude sensor are correspondingly installed on the pressure-resistant cabin, the assembling cabin is provided with a mechanical lock catch driven by a first driving mechanism, and a first acquisition control system and a first battery pack are arranged in the pressure-resistant cabin; and the observation probe rod comprises a probe rod body with a pore pressure sensor embedded in the surface, one end of the probe rod body is provided with a penetration tip, the other end of the probe rod body is fixedly provided with a data acquisition cabin, one end, away from the probe rod body, of the data acquisition cabin is fixedly provided with a second hanging ring, and the data acquisition cabin is internally provided with a data acquisition instrument, a second acquisition control system and a second battery pack used for supplying power. The submarine sediment pore pressure observation probe rod gravity type penetration device is simple, easy to use and high in working efficiency, provides real and reliable observation data for monitoring and early warning of submarine geological disasters and ocean engineering construction, and has important practical significance.

The invention provides a power output device, an ice crusher and a refrigerator. According to the power output device, except for the motor and the mounting screws, all the power output device is formed by engineering plastics, the brushless motor is selected as a power source, and the brushless motor drives the gear train to achieve integrated output shaft output. The internal structure is more compact, the thickness of the gearbox shell of the power output device can be effectively compressed to be within 30 mm, the requirements of customers for light and thin products are met, and the space utilization rate of a refrigerator is increased. The brushless motor is high in safety and can meet the IEC explosion-proof test standard, the rotating speed and the rotating direction can be flexibly adjusted through a driving algorithm, the phenomena of ice clamping and rotation blocking are effectively reduced, and the ice crushing effect is optimized. According to the ice crusher, the output shaft integrally formed by engineering plastics is adopted, and the structure of the output shaft can realize power output without assembly and matching, so that faults caused by unreliable assembly among mechanical parts can be effectively avoided, and the use feeling of the ice crusher is improved.

The invention provides a single-tank double-chamber adjustable water tank for a container, the water tank is characterized by comprising a tank body, a first motor arranged at the top of the tank body and a heat insulation plate arranged in the tank body. An output shaft of the first motor is connected with the heat insulation plate to control the heat insulation plate to rotate. The tank body is connected with a container bottom plate through a fixing device. A plurality of water pipe assemblies are arranged on the tank body. A damping device is arranged at the bottom of the tank body. When the heat insulation plate rotates to a first station, the inner space of the tank body is divided into a first cavity and a second cavity, and the first cavity and the second cavity are not communicated. When the heat insulation plate rotates to a second station, the first cavity and the second cavity are communicated. The single-chamber and double-chamber free conversion can be achieved, different water storage requirements are met, it can be guaranteed that the shockproof and damping effects are achieved in the transportation process, the service life of the water tank is prolonged, and the safety performance of the water tank is improved.