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42results about How to "Wide adaptability to the environment" patented technology

Full-angle mode circuit gain error self-compensation system of micro-electro-mechanical gyroscope

The invention discloses a full-angle mode circuit gain error self-compensation system of a micro-electro-mechanical system gyroscope. The full-angle mode circuit gain error self-compensation system comprises a gyroscope pre-amplification circuit, an ADC module, a gain compensation module, a demodulation module, a parameter calculation module, a PI controller module, a coordinate conversion module,a compensation coefficient calculation module, a modulation module and a DAC module. The pre-amplification circuit module is connected to a detection electrode of the micro-electro-mechanical multi-ring gyroscope, the ADC module is connected to the pre-amplification circuit, the gain compensation module is connected to the ADC module, the demodulation module is connected to the gain compensationmodule, the PI controller module is connected to the parameter calculation module, the compensation coefficient calculation module is connected to the PI controller module, the coordinate conversion module is connected to the PI controller module, the modulation module is connected to the coordinate conversion module, the DAC module is connected to the modulation module, and the digital control oscillator module is connected to a PI controller. According to the system, real-time circuit gain error self-compensation in a full-angle mode of the micro-electro-mechanical gyroscope can be realized.
Owner:NANJING UNIV OF SCI & TECH

Method for detecting physical punishment behaviors of kindergarten teachers on children

The invention provides a method for detecting physical punishment behaviors of kindergarten teachers on children. The method comprises the steps of: establishing a background model of a monitored scene of a kindergarten; obtaining position height mapping tables of moving foreground blocks of kindergarten teachers in monitored scene video images; collecting video images of the monitored scene in real time; obtaining all the moving foreground blocks in each frame of video image; detecting initial moving positions of the kindergarten teachers; obtaining a kindergarten teacher tracking list and a children tracking list; judging whether the kindergarten teachers bend down; judging whether the kindergarten teachers approach the children; obtaining moving intensity of limbs of the kindergarten teachers; and judging whether the kindergarten teachers have child abuse actions. According to the invention, a full-automatic analysis algorithm is adopted, the action behaviors of the kindergarten teachers and the children in the video scene are obtained, addition manual work is not needed, and the application is more convenient; a plurality of behavior rules are fused, the physical punishment behaviors of the kindergarten teachers on the children are comprehensively judged, the detection result is more accurate, and false detection and missing detection is reduced; in addition, the method is wide in environment adaptation and high in operation speed.
Owner:ANHUI TSINGLINK INFORMATION TECH

Passive solar radiant heating system

The invention discloses a passive solar radiant heating system and belongs to the technical field of solar application. The system comprises a solar heat collecting system, heat pipes and a heat accumulation wall body, wherein the solar heat collecting system comprises a transparent cover plate, a heat insulation material, a heat accumulation material and a heat absorption coating, the heat insulation material is arranged at the periphery of the heat accumulation material, the transparent cover plate is arranged at the front part of the heat accumulation material, and the heat absorption coating is coated between the transparent cover plate and the heat accumulation material. The heat accumulation wall body comprises a heat insulation material, a heat accumulation material and a building wall body, the heat insulation material is arranged on the surface of the heat accumulation material, the heat accumulation material is arranged in a way of tightly pasting the outer side of the building wall body, and the heat pipes are used for connecting the solar heat collecting system with the heat accumulation wall body, wherein the heat pipes are used as heat transfer carriers, and the heat in the solar heat collecting system is transferred into the heat accumulation wall body for realizing the heat supply heating of a room. The system disclosed by the invention can realize the heating heat supply of a building without any energy source consumption.
Owner:NANJING NORMAL UNIVERSITY

Capacitor type smoke detector

The invention relates to a smoke fire detector, in particular to a capacitive smoke fire detector, and solves the problem that the existing fire detector has complex application background and is effected by different interference sources; the invention comprises a shell and a capacitor, wherein, the capacitor comprises 3 to 20 layers of capacitance plates and two electrode rods; the capacitance plate has round plate shape with the diameter of 30 to 150mm, wherein, two sides of an insulating plate are respectively provided with an upper layer of capacitance pole and a lower layer of capacitance plate; the upper layer of capacitance poles of adjacent capacitance plates are connected in parallel by an upper layer of parallel leads; the lower layer of capacitance plates of adjacent capacitance plates are connected in parallel by a lower layer of parallel leads; the capacitance plates are fixed on the two electrode rods; the distance of the adjacent capacitance plates is 2 to 10mm; the capacitor is arranged at the lower part of the inner of the shell; an anti-insect net is positioned at the lower part of the shell; the invention is a capacitive fire detector based on a new concept, which has simple form, complete function, wide environment background adaptive capacity and realizing capacity of improving the effective function in the condition of complex environment.
Owner:UNIV OF SCI & TECH OF CHINA

Salt-tolerant growth-promoting bacterial strain JP-JH capable of alleviating plant salt damage and applications thereof

The invention discloses a salt-tolerant growth-promoting bacterial strain JP-JH capable of alleviating plant salt damage and applications thereof. The strain belongs to Kushneria indalinina, and is deposited with the China Center for Type Culture Collection on December 12th, 2019 and assigned the accession number CCTCC M 20191039. The strain has strong salt and alkali resistance; the concentration, tolerated by the growth of the strain, of NaCl is 1-15%(w / v), and the tolerant pH value is 7.0-9.0; and IAA can be secreted without the induction of L-tryptophan. In addition, the strain can achievesignificant promotion effects on the growth (leaf length and fresh weight on the ground) of wheat in living and inactivated states and under salt-free stress and salt stress conditions and can obviously alleviate salt damage to the wheat under the salt stress conditions. Thus, compared with reported salt-tolerant strains, the bacterial strain JP-JH can reasonably reduce the requirements for the cultivation, storage, transportation and colonization of the strains, so that production costs can be reduced, and convenient promotion and application can be achieved.
Owner:中国科学院遗传与发育生物学研究所农业资源研究中心

Energetic room-temperature curing agent based on hydroxyl-terminated polybutadiene bonding system and solidified body thereof and preparation method thereof

The invention discloses an energetic room-temperature curing agent based on a hydroxyl-terminated polybutadiene bonding system, namely, 5-nitrobenzene-1, 3-dinitrile oxide. According to a preparationmethod of the energetic room-temperature curing agent based on the hydroxyl-terminated polybutadiene bonding system, with 1, 3-phthalic aldehyde as an initial raw material, the 5-nitrobenzene-1, 3-dinitrile oxide is synthesized through four steps of reactions of nitrification, oximation, halogenation and dehydrohalogenation. The invention further discloses a solidified body, which is formed by mixing hydroxyl-terminated polybutadiene and the 5-nitrobenzene-1, 3-dinitrile oxide, of the energetic room-temperature curing agent based on the hydroxyl-terminated polybutadiene bonding system. The prepared energetic room-temperature curing agent based on the hydroxyl-terminated polybutadiene bonding system, disclosed by the invention, has the advantages of good product quality, high yield and simple separation, is suitable for large-scale industrial production, is suitable for room temperature curing and forming of hydroxyl-terminated polybutadiene type cast composite propellent in a solid rocket engine and room temperature curing and forming of a HTPB type explosive mixture and can also be used for room temperature curing of other HTPB type adhesives, sealing materials and coatings.
Owner:SOUTHWEAT UNIV OF SCI & TECH

High-strength and low-temperature-resistant forklift door frame structural steel and preparing method thereof

The invention provides high-strength and low-temperature-resistant forklift door frame structural steel and a preparing method thereof. The forklift door frame structural steel comprises following components including, by weight percent, 0.15%-0.20% of C, 0.35%-0.50% of Si, 1.40%-1.60% of Mn, smaller than or equal to 0.020% of P, smaller than or equal to 0.010% of S, 0.07%-0.09% of V, 0.025%-0.04%of Nb, 0.30%-0.45% of Cr, 0.011%-0.016% of N, smaller than or equal to 0.003% of O, and the balance iron and inevitable impurities. The preparing method of the high-strength and low-temperature-resistant forklift door frame structural steel comprises converter smelting, LF refining, continuous casting, steel blank heating, rolling and cooling after rolling. According to the forklift door frame structural steel prepared through the preparing method is economical and reasonable in cost, on the premise that the high yield strength (larger than or equal to 500 MPa) of materials is guaranteed, thelow-temperature impact toughness is obviously improved, and the impact toughness reaches 70 J or above under the condition of -20 DEG C. The design requirements of users for lightweight, large loadsand long service life can be met, and wide environment adaptability is achieved.
Owner:SHANDONG IRON & STEEL CO LTD

Tool and equipment for disassembling and assembling tuyere medium sleeve of iron-making blast furnace

The invention discloses a tool and equipment for disassembling and assembling a tuyere medium sleeve of an iron-making blast furnace. The tool comprises a driving device and a grabbing device connected with the driving device. Under the driving action of the driving device, the grabbing device is provided with a locking position opened to clamp the inner wall of the tuyere medium sleeve and an unlocking position contracted to release the tuyere medium sleeve. The end, away from the driving device, of the grabbing device is provided with a first stop piece capable of being clamped with a first opening edge of the tuyere medium sleeve, and the other end, close to the driving device, of the grabbing device is provided with a second stop piece capable of being clamped with a second opening edge of the tuyere medium sleeve. The grabbing device is further provided with a supporting piece, and the supporting piece can abut against the inner wall of the tuyere medium sleeve when the supporting piece is located at the locking position so that the tuyere medium sleeve can be prevented from shaking in the moving process. The clamping and fixing effect on the tuyere medium sleeve is better, so that the potential safety hazard that the tuyere medium sleeve falls off from the grabbing device is reduced.
Owner:济南华北升降平台制造有限公司

Wine pouring machine

The invention relates to a wine pouring machine, which solves the problem of time and energy waste, as well as low efficiency due to manual operation during a pouring process for Fenyang wine. The wine pouring machine comprises two lower end beams provided with a driven wheel and a driving wheel, a main column and an elevating guide pillar are provided on each lower end beam, a suspension beam support is fixed on the elevating guide pillar in an oblique mode, a vibration capturing device is suspended below a suspension beam by using a chain electric hoist, the vibration capturing device comprises a cylindrical shell with edge hinged to several petals, a vibration exciter is fixed at top in the cylindrical shell, and an elevator is fixed between the cylindrical shell and a petal collection plate. The wine pouring machine uses an elevating system by cooperating with a material taking apparatus ingeniously, and realizes the mechanization and automation of the pouring process, under the prerequisite that the lifting is guaranteed by the elevating system, a structure is simplified as possible, a material collection mechanism employs a vibration petals-collection mode, compared with other material collection schemes, the wine pouring machine saves more space and lowers the cost. The wine pouring machine is the Fenyang wine brewage equipment which has the advantages of economic, advanced, reliable, safe, environmentally friendly performances.
Owner:王新民 +1

Cylinder machine

The invention relates to a wine pouring machine, which solves the problem of time and energy waste, as well as low efficiency due to manual operation during a pouring process for Fenyang wine. The wine pouring machine comprises two lower end beams provided with a driven wheel and a driving wheel, a main column and an elevating guide pillar are provided on each lower end beam, a suspension beam support is fixed on the elevating guide pillar in an oblique mode, a vibration capturing device is suspended below a suspension beam by using a chain electric hoist, the vibration capturing device comprises a cylindrical shell with edge hinged to several petals, a vibration exciter is fixed at top in the cylindrical shell, and an elevator is fixed between the cylindrical shell and a petal collection plate. The wine pouring machine uses an elevating system by cooperating with a material taking apparatus ingeniously, and realizes the mechanization and automation of the pouring process, under the prerequisite that the lifting is guaranteed by the elevating system, a structure is simplified as possible, a material collection mechanism employs a vibration petals-collection mode, compared with other material collection schemes, the wine pouring machine saves more space and lowers the cost. The wine pouring machine is the Fenyang wine brewage equipment which has the advantages of economic, advanced, reliable, safe, environmentally friendly performances.
Owner:王新民 +1

Antistatic micron filament composite superfine fiber and preparation method thereof

The invention discloses an antistatic micron filament composite superfine fiber. The antistatic micron filament composite superfine fiber is prepared from the following components in parts by weight: 40-50 parts of polyester macromolecules, 30-40 parts of polyamide macromolecules, 4-8 parts of silver oxide nano powder materials, 1-5 parts of an antioxidant 1010 and 3-8 parts of a stabilizer, and the antistatic micron filament composite superfine fiber is characterized in that the powder particle size of the silver oxide nano powder materials is D less than 0.1 [mu] m; the polyester macromolecules is one of polyethylene glycol terephthalate or polybutylene terephthalate; the stabilizer is one or more of triphenyl phosphite, trimethyl phosphite and tridecyl phosphite. The antistatic micron filament composite fiber obtained through a preparation method has excellent antistatic capability, so that resistivity of the fiber surface can be effectively reduced; the antistatic property is efficient and lasting, so that static electricity can be eliminated in an extremely short time; the antistatic micron filament composite superfine fiber has wide environmental adaptability to prevention of generation and harm of the static electricity.
Owner:NINGBO SANBANG MICROFIBER

High-precision and wide-environmental-adaptability optical lens

The invention relates to the field of cameras, in particular to a high-precision and wide-environmental-adaptability optical lens. The lens comprises a band-pass optical filter, a main lens barrel, anoptical-mechanical structural element group, an airtight barrel and window glass; a band-pass optical filter and a plurality of optical-mechanical structural element groups are sequentially arrangedin the main lens barrel, the airtight cylinder is coated on the main lens barrel, one end of the airtight cylinder is arranged on the main lens barrel, window glass is arranged in the other end of theairtight cylinder, the plurality of optical-mechanical structural element groups are positioned between the band-pass optical filter and the window glass, and each optical-mechanical structural element group comprises a lens and an inner-layer lens barrel; a lens is installed in the inner-layer lens barrel, the inner-layer lens barrel is installed in the main lens barrel, and the plurality of optical-mechanical structural element groups are concentrically installed in the main lens barrel. The lens adopts a lens structure form taking the optical-mechanical structure element group as a basic unit, and has the characteristic of good assembling and adjusting manufacturability, the eccentric precision can reach 5 '' to 10'', the airtightness of the lens is realized, and the internal pressureof the lens is ensured to be within an allowable range when the lens works.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Identification method of battery electrolyte leakage in substation communication power supply

The invention discloses a method for identifying leakage of battery electrolyte in a communication power supply battery of a substation. The characteristic objects of the outer surface of the battery case and the positive and negative shell covers in the picture are identified according to the color features, and then the outer surface of the battery shell and the positive and negative shell covers in the picture are segmented. In the feature area, the method of combining RGB color features and grayscale features is used to identify the position of the outer surface of the battery case and the positive and negative cover in the picture, and finally according to the symmetrical features of the outer surface of the battery case and the positive and negative cover in the picture , to exclude other interferences, so as to judge whether there is electrolyte leakage on the outer surface of the substation communication power battery case and the positive and negative shell covers according to the RGB color eigenvalues ​​and grayscale eigenvalues ​​of the outer surface of the battery shell and the positive and negative shell covers. The method of the present invention has reliable anti-interference capability, can effectively avoid interference phenomena due to picture shaking, blurring, etc., and has high accuracy and practicability.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO ZHENJIANG POWER SUPPLY CO
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