35results about How to "Basic structure is simple" patented technology

The invention discloses an ultra-wideband electromagnetic super-surface circular polarizer, which comprises a dielectric substrate, a metal resonance array and a metal grounding plate, wherein the metal resonance array is printed on the top surface of the dielectric substrate; the metal grounding plate is printed on the back surface of the dielectric substrate; the metal resonance array comprises a plurality of micro-crack Jerusalem cross units which are arranged in a periodic matrix; each micro-crack Jerusalem cross unit is equal in structure parameter and comprises two orthorhombic I-shaped metal arms, namely a horizontal I-shaped metal arm extending in the horizontal direction, namely an X axis, of the dielectric surface, and a vertical I-shaped metal arm extending in the vertical direction, namely a Y axis, of the dielectric surface; the center of a horizontal metal wire at the middle part of the horizontal I-shaped metal arm is intersected with the center of a vertical metal wire at the middle part of the vertical I-shaped metal arm; two micro-cracks which run through the horizontal metal wire at the middle part are etched on the horizontal metal wire at the middle part of the horizontal I-shaped metal arm; and the two micro-cracks are symmetrically located at the left side and the right side of the vertical metal wire at the middle part of the vertical I-shaped metal arm. The ultra-wideband electromagnetic super-surface circular polarizer has the characteristic of high working frequency.

The invention discloses a controllable slope type microalgae cultivation system and a microalgae cultivation method thereof. The system mainly comprises a microalgae pretreatment tank, a controllable slope type self-flow automatic temperature raising microalgae cultivation device on which a heat absorption coating is coated, and a microalgae liquid collection and aftertreatment tank; the controllable slope type self-flow automatic temperature raising microalgae cultivation device is arranged on an inclined surface with the slope ratio of 1 to 5 percent; the heat absorption coating is coated on the inner walls of straight pipes and U-shaped pipes, which are near one side of the inclined surface; the straight pipes and the U-shaped pipes form the controllable slope type self-flow automatic temperature raising microalgae cultivation device; each U-shaped pipe is provided with a carbon dioxide air inlet; two ends of each straight pipe are provided with valves; each straight pipe is also provided with an oxygen discharging hole; the tail end of the controllable slope type self-flow automatic temperature raising microalgae cultivation device is provided with a flow controller; primary microalgae liquid in the pretreatment tank is led into the controllable slope type self-flow automatic temperature raising microalgae cultivation device, so microalgae is collected and cultivated for 12 to 24 hours periodically; the system can cultivate the microalgae on scales, has a simple basic structure, is easy to implement, and can meet the industrial cultivation requirement of the microalgae.

This invention relates to centrifugal pump ring sealing device. It includes sealing ring between pump case body and blade; fastening device fixing the sealing ring in rotating direction; closing ring; closing ring groove at internal face of pump case. The closing ring is arranged in the closing ring groove in order to prevent sealing ring moving in axial direction. The fastening device is composed of a fixing key, outer groove and inner groove. The outer groove is set at the internal face of pump case in axial direction. The inner groove is set at the external face of sealing ring in axial direction. The fixing key is set between outer and inner grooves. This invention has small size in radial direction. The sealing device is widely applied. It is convenient to assemble and repair. The service life is long.

The invention discloses an open sleeve antenna. An antenna oscillator is a columnar metal rod, wherein a metal sleeve is a tubular open sleeve which penetrates up and down; the metal sleeve surrounds the outer side of an antenna body; the central axis of the metal sleeve coincides with that of the antenna oscillator; an insulating medium fills the gap between the outer lateral wall of the antenna oscillator and the inner lateral wall of the metal sleeve; the insulating medium fixes the antenna oscillator and the metal sleeve together to form a sleeve antenna structure; and the sleeve antenna structure and an SMA joint are embedded into a metal grounding box. By the open sleeve, the open sleeve antenna adapts to the general dimension of a handheld antenna floor, and partially eliminates the influence on the standing-wave ratio of a low-frequency part of the antenna when utilizing a non-open sleeve; the capacitive reactance of an electronically small antenna is counteracted by loading a lumped-parameter inductor at a feeding port; and the stepped antenna oscillator, equivalent to top loading for overall impedance matching, achieves the characteristics of miniaturization, large bandwidth and the like.

The invention discloses a microalgae cultivation system mainly comprising a microalgae pretreatment pond, a black heat absorption pad, a tubular membrane system and an algae liquid collecting and aftertreatment pond, wherein the microalgae pretreatment pond is used for adding nutritive salt and receiving algae seeds; the black heat absorption pad is paved below the tubular membrane system and used for absorbing solar energy to increase water temperature and reduce scattering and diffusion light; the tubular membrane system is composed of a plurality of tubular membranes, one end of the tubular membrane system is connected with a pump membrane connector, the other end of the tubular membrane system is an exhaust port, the pump membrane connector is used for connecting a water pump and the tubular membranes, the exhaust port is arranged at the tail ends of the tubular membranes, is formed by mutually nesting two rings and can be fixed, and the horizontal plane of the port is higher than the tubular membrane system so as to prevent algae liquid from overflowing; the algae liquid collecting and aftertreatment pond is used for the collection and the aftertreatment of the algae liquid; and the large-scale cultivation of the microalgae can be realized under an optimized physicochemical condition through slowly filling the algae liquid to be cultivated in the microalgae pretreatment pond into the tubular membrane system. The microalgae cultivation system has the characteristics of low cost, convenience and flexibility in use, simple structure, easiness in implementation, capability of meeting the requirement for large-scale industrial microalgae cultivation and the like.

The invention provides a mobile phone card holder lock, and relates to locks. In order to prevent a mobile phone from being stolen, the mobile phone card holder lock abandons a traditional axial coretype lock cylinder and has full layout of lock codes and key codes in the three dimensions of space, and a lock code needle bar is directly pushed by a key code needle bar to reach more than a trillion of high secret key amount, miniaturization, no key grooves and a high-strength lock cylinder. A lock cylinder technology is adopted by the mobile phone card holder lock, code locking sieves and latch honeycombs are closely adjacent, a plurality of holes are formed in the code locking sieves according to a two-dimensional arrangement manner, the lock codes with a plurality of code numbers are installed in the holes to form three-dimensional arrangement of the lock codes, a plurality of nests are formed in the latch honeycombs according to a two-dimensional arrangement manner, latches and springs are installed in the nests, screw holes are formed in the frame of the mobile phone, the code locking sieves are connected with a screw shaft lever to lock with the screw holes in a meshing mode,the code locking sieves rotate relative to the latch honeycombs, and the latch honeycombs and a mobile phone card holder can move axially.

The invention relates to a lock, in particular to a three-dimensional code nut lock. In order to overcome the defects that an existing mechanical lock is low in key scale, and the material of a lock cylinder is low in strength, a traditional axis type lock cylinder is abandoned, lock codes and key codes are fully laid out in three spatial dimensions, a key code needle bar is directly used for pushing a lock code needle bar, and a large key scale of trillions and a high-strength lock cylinder are achieved. According to the lock cylinder technology adopted in the invention, a lock code sieve anda bolt honeycomb are tightly attached, the lock code sieve is provided with a plurality of holes in a two-dimensional arrangement mode, the holes contain lock codes in multiple code numbers, three-dimensional layout of the lock codes is formed, the bolt honeycomb is provided with a plurality of concaves according to a two-dimensional arrangement mode, the concaves contain bolts and springs, a screw hole is formed in the center of the bolt honeycomb, an axial hole is formed in the center of the lock code sieve, one end of a lock beam is provided with an axial portion, the other end of the lockbeam is provided with a screw end, the axial hole is matched with the axial portion, and the screw hole is engaged with the screw end.

The invention provides a photon matrix vector multiplier which solves the problems that an existing photon matrix vector multiplier is sensitive to process errors and is difficult to expand on a large scale. The photon matrix vector multiplier comprises a light source, an input beam splitter, an input modulator array, a first multi-stage diffraction network, an intermediate modulator array, a second multi-stage diffraction network and a detector array which are arranged in sequence, the input modulator array comprises N first modulators; the intermediate modulator array comprises N second modulators; the detector array comprises N detectors; the first multi-stage diffraction network comprises M stages of first photon distribution units, each stage of first photon distribution unit comprises a first optical splitter and a first phase modulator array, the second multi-stage diffraction network comprises M stages of second photon distribution units, and each stage of second photon distribution unit comprises a second optical splitter and a second phase modulator array. The structure provided by the invention has the advantages of being insensitive to process errors, high in realizability, easy to integrate and the like.

The invention provides a three-dimensional code bolt lock and relates to a lock. In order to overcome the defects of low key quantity, low strength of lock cylinder materials and fragile locking tongue modes of existing mechanical locks, traditional axial-core lock cylinders are abandoned, lock codes and key codes are fully distributed in three dimensions of space, and key code needle bars are directly used for pushing lock code pin bars to obtain a lock cylinder with a high key quantity of more than a trillion and high strength. According to an adopted lock cylinder technology, lock code screens are closely attached to embolism honeycombs, a plurality of holes arrayed in a two-dimensional mode are formed in the lock code screens and filled with the lock codes with a plurality of code numbers to form a three-dimensional layout of the lock codes, a plurality of nests arrayed in a two-dimensional mode are formed in the embolism honeycombs and filled with embolisms and springs, the lock screens are connected with a screw shaft rod, the screw shaft rod is divided into a shaft rod part and a screw part, the outer surface of each embolism honeycomb is polygonal to cooperate with a corresponding axial hole component, and the screw part is fixedly meshed with a screw hole component.

The invention discloses a three-dimensional code bolt-external lock, and relates to a lock. In order to overcome the defects that existing mechanical lock secret key amount is small, the lock cylindermaterial strength is small, and the spring bolt manner is weak, a traditional axis type lock cylinder is abandoned, lock codes and key codes are sufficiently distributed, a key code needle rod directly pushes a lock code needle rod, and the high-strength lock cylinder with the higher than trillion high secret key amount is achieved. A lock cylinder technology is adopted, a lock code sieve and a bolt honeycomb are tightly attached, many holes are distributed on the lock code sieve according to a two-dimensional manner, lock codes with multiple code numbers are installed in the holes, and three-dimensional distribution of the lock codes is formed; and many nests are arranged in the bolt honeycomb according to a two-dimensional manner, bolts and springs are installed in the nests, a screw shaft rod is connected to the lock code sieve and is divided into a shaft rod part and a screw part, the outer surface of the bolt honeycomb is polygonal, the screw part and a screw pipe are meshed andlocked in cooperation with a corresponding axial pipe, and fastening pieces can be connected to the outer edges of the axial pipe and the screw pipe.