111results about How to "Capture more" patented technology

The invention discloses a preparation method and application of a novel visible light response compound photocatalyst for growth of ZnIn2S4 on the surfaces of TiO2 hollow spheres. The method can be applied to treatment of water body pollution. The method includes the following steps of ultrasonically dispersing the obtained TiO2 hollow spheres in water, and then preparing a ZnIn2S4/TiO2 nanometer compound hollow sphere photocatalyst through an in-situ hydrothermal method. The prepared ZnIn2S4/TiO2 nanometer compound hollow sphere photocatalyst can be used for catalyzing and degrading tetracycline hydrochloride, levofloxacin and methyl orange under visible light. The obtained ZnIn2S4/TiO2 nanometer compound hollow sphere photocatalyst can capture more visible light and has a matched band gap structure, photoelectron and hole separation efficiency can be improved, good interface contact promotes photoelectron transmission, and the visible light catalytic activity of the catalyst is remarkably improved.

The invention discloses a rolling bearing fault identification method based on a GAF-CNN-BiGRU network. The method comprises the steps of firstly converting the vibration signal data of a rolling bearing into a two-dimensional image through a Gram angle field, and then completing the fault classification through a CNN-BiGRU network model, converting rolling bearing vibration signal data into a two-dimensional image by using the Gram angle field, so that complete information of an original signal is reserved, and dependence of the data on time is also reserved. In the CNN-BiGRU network model, spatial features in the two-dimensional image are extracted through a convolution unit, and time features of the two-dimensional image are further screened out through a bidirectional gate control unit, so that the accuracy of fault classification is improved.

The invention relates to a multi-frequency coupled vibration energy capturer comprising multiple piezoelectric cantilever beams (1), a base frame (3), and an electric control plate (4). The piezoelectric cantilever beams (1) are installed on the base frame (3). Permanent magnets (2) are disposed on the piezoelectric cantilever beams (1). The multiple piezoelectric cantilever beams (1) have same length and different thicknesses. The permanent magnets (2) are arranged on the same positions of the multiple piezoelectric cantilever beams (1). The multiple piezoelectric cantilever beams (1) are connected with the electric control plate (4) through a line. Each piezoelectric cantilever beam (1) is composed of a metallic sheet (5), a piezoelectric patch (6), and a silver electrode surface (7). Compared with a product in the prior art, the multi-frequency coupled vibration energy capturer is novel and simple in structure and uses the magnetic coupling of the multiple piezoelectric cantilever beams with different inherent frequencies. When being seriously deformed, any piezoelectric cantilever beam forces other piezoelectric cantilever beams to deform. Thus, more energy can be captured in a wider frequency domain and high energy capture efficiency is achieved.

The invention relates to a micro-energy system with a high weight ratio energy density, a method and application. The invention is characterized that the construction of the system comprising the following steps of: (1) sputtering and growing an Al film on the back surface of a GaAs battery; (2) sputtering and depositing nitrogenized Ni-Co on the surface of Al film, wherein the general formula is ComNi1-mN, and m is more than 0 and less than 1; (3) sputtering and depositing a Li1.3Ti1.7Al0.3(PO4)3 film on the surface of the nitrogenized Ni-Co film; (4) depositing a metal Li film on the Li1.3Ti1.7Al0.3(PO4)3 film; (5) sputtering a layer of Cu film on the surface of the Li film; and (6) during sputtering of the steps (2)-(5), firmly attaching a stainless steel mask plate to the Al surface of an uncovered multi-layer film on the surface of the Al film, arranging an energy management circuit and an RF (Radio-Frequency) transceiving module in sequence, and connecting the anode of the GaAs battery, the anode of the Li battery, the output end of the energy management module and the output end of the RF transceiving module with a metal wire. According to the invention, the high weight ratio energy density can be up to 438wh/kg, the system can work for 5 days continuously on cloudy days, and a technical measure is provided for long-time power supply and field application of the node miniaturization of the Internet of things.

The invention discloses a polymer solar cell belonging to the field of solar cells. The cell is of a stratified structure; the stratified structure comprises an anode substrate, a cavity buffer layer, an active layer, a connecting layer, an electronic buffer layer and a cathode layer, wherein the connecting layer is of a n-type doped layer-metal layer-P type doped layer structure. With the adoption of the polymer solar cell, the active layers of the two cells can be used for capturing sunshine as much as possible, so that more electrons and cavities are generated; and as the connecting layer for connecting the two cells is of a N-type doped layer-metal layer-P type doped layer structure, the electrical conductivity of the cells can be improved by the N-type doping and the P-type doping, so that the injection efficiency of the cavities and the electrons are improved.

The invention relates to a micro-energy system with high energy density per unit volume and a fabrication method thereof. The fabrication method of the system is characterized by comprising the following steps of: (a) drilling holes on a glass substrate by a diamond drill bit, wherein, the holes are two opposite hollow circular tables; (b) sputtering an Al membrane on the front face and rear face of the glass substrate so that the depth of a cavity is filled with the thickness of the Al membrane so as to realize double-sided Al interconnection; (c) sequentially depositing a cobalt-nickel nitride, a LiPON membrane, a Li membrane and an Al membrane on the rear face of Al; (d) arranging an energy management module and an RF (radio frequency) transceiver module on the surface of the Al membrane which is uncovered with a battery multilayer film; (e) sequentially depositing n-type microcrystalline silicon, i-type GexSi1-x (x is more than 0 and less than 1), p-type amorphous silicon and AZO containing 3% of Al on the Al surface of the front face of the glass substrate; and (f) connecting the AZO, a Li battery anode, an output end of the energy management module and an output end of the RF transceiver module by a Au line. In the invention, by adopting a sputtering deposit method, the energy density per unit volume of the obtained micro-energy system is more than 291.9W/L, which provides a technical means for node miniaturization of Internet of things, portability, long-time power supply and field application.

The invention belongs to the field of wind power generation devices and particularly discloses a novel power generation device. The novel power generation device comprises a supporting frame, a rear-end rotary interference column body and a power generation unit. The rear-end rotary interference column body is rotatably connected with the supporting frame. A weather vane is mounted at the upper end of the rear-end rotary interference column body. The power generation unit is mounted on the rear-end rotary interference column body. The power generation unit comprises two supporting plates and atwo-side fixed support arranged between the two supporting plates. Two power generation modules are arranged between the two side of the two-side fixed support. Each power generation module comprisessleeves, coils are arranged in the sleeves, cylindrical magnets are arranged outside the sleeves, the two sides of the cylindrical magnets are connected with the two sides of the two-side fixed support through springs and are limited through grooves formed in the supporting plates. Vibration cylinders are arranged between the cylindrical magnets of the two sets of power generation modules. The novel power generation device can increase the vibration amplitude and the frequency locking interval of the vibration cylinders and is large in output power and good in environmental adaptability.

A ring fiber core bird beak-shaped optical fiber optical tweezer system with a stable capturing function is characterized in that optical fiber optical tweezers are composed of a ring fiber core birdbeak-shaped optical fiber probe, a laser device, an adjusting frame, a sample groove, a microscopic imaging system, a Raman laser source and a Raman detector. The bird beak-shaped optical fiber probeis characterized in that evanescent field distribution of the side face of an optical fiber is enhanced by changing the curvature radius of a bent tip area of the optical fiber, gradient force borne by cells is increased, and therefore stable capture of the cells is achieved. Finally, Raman laser is emitted into the bird beak-shaped optical fiber optical tweezers, and corresponding Raman frequencyshift can be acquired through a detector, thereby realizing cell characteristic detection.

The invention discloses a point-to-point wireless power supply coil coupling model and a point-to-point wireless power supply system. The point-to-point wireless power supply coil coupling model comprises a transmitting resonant ring and a receiving resonant ring. The transmitting resonant ring and the receiving resonant ring in the point-to-point wireless power supply coil coupling model are coupled to each other, the resonant frequency of the transmitting resonant ring is identical to the resonant frequency of the receiving resonant ring, that is, the transmitting resonant ring and the receiving resonant ring stay at a magnetic resonance state, and the transmitting resonant ring and the receiving resonant ring, which stay at the magnetic resonance state, can improve the transmission efficiency in the wireless power supply process.

The invention discloses an industrial control protocol grammar reverse analysis method under basic block granularity based on instrumentation, and the method specifically comprises the steps: carrying out the dynamic instrumentation of an instruction, a basic block and a function granularity of a binary executable program of an industrial control protocol; and recording taint propagation information of instruction granularity and basic block granularity, function granularity, logic judgment and jump information in a dynamic taint analysis process, and generating a program runtime log file. And performing reordering and correlation analysis algorithms on the log file to realize industrial control protocol field boundary recognition under the basic block granularity. Compared with a field boundary recognition method under the function granularity, the method has the advantages that more program context information under the basic block granularity can be obtained, so that different fields processed under the same function are recognized, and the field boundary recognition precision is improved.

The invention provides a detection method for rapidly detecting vibrio parahaemolyticus. According to the scheme, bacteria are enriched by Fe3O4/Ru(bqy) 3<2+> microspheres, a test strip is prepared, and a sample is loaded for detection. The step of eluting the vibrio parahaemolyticus from immunomagnetic beads is eliminated, so that the capturing efficiency is improved; the step of spraying the Fe3O4/Ru(bqy) 3<2+> microspheres onto a conjugate pad is eliminated, so that immunological reaction is more uniform, and a variation coefficient during quantitative detection is small; the workload and the sundry fungus contamination probability are reduced; the detection scheme is high in sensitivity and stability.