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576results about How to "Easy material selection" patented technology

Machine-vision based liquid level detection device and method

The invention discloses a machine-vision based liquid level detection device and method. In the method, algorithm processing is carried out on a field liquid level image acquired by using an infrared camera to obtain real-time liquid level height information so as to obtain the instant height of the liquid level. In order to obtain the height information of the liquid level accurately and efficiently, five self-designed algorithms including a cameral distortion correction algorithm, a self-adaptation detection coordinate setting algorithm, a liquid level line segmentation algorithm, a data filter algorithm and a data setting algorithm are used in the machine-vision based liquid level detection device; and meanwhile, in order to implement the algorithms effectively, a calibration manner is introduced in the invention and is applied to a target tracking process of a camera. In the invention, a single-chip microcomputer of an ARM (Advanced RISC (Reduced Instruction Set Computer) Machine) series is used as a main processor. By adoption of self-adaptation coordination setting, the device is not only suitable for open type and / or closed type liquid level detection environments but also suitable for mechanical equipment positioning and product counting, and has a very broad application prospect.
Owner:HUNAN UNIV

Low-temperature heating control method for lithium ion battery

ActiveCN108847513ASolve the problem of poor charge and discharge performanceExtended service lifeSecondary cellsVehicular energy storageElectrical batterySimple component
A low-temperature heating control method for a lithium ion battery includes the following steps: first selecting a capacitive component; connecting the capacitive component and an additional power device in series, and then connecting a switch device in parallel to form a heating control circuit; then sequentially connecting the heating control circuit with the lithium ion battery, two sets of power devices of a motor controller body, and two-phase winding inductance of a electromotor to form a loop; and controlling charge and discharge of the capacitive component and magnetic energy storage and release of the two-phase winding inductance by opening and closing of the switch device and the additional power device to enable an LC oscillating circuit to be formed between the capacitive element and the winding inductance, generating a high-frequency alternating current, generating heat inside the lithium ion battery based on a joule law, and allowing to repeatedly operating the heating process to achieve continuous oscillation and continuous heat production until heating the lithium ion battery to a target temperature. The low-temperature heating control method for the lithium ion battery can be achieved by only adding a simple component to an inherent structure of an electric vehicle, and has the characteristics of good heating effect, high thermal efficiency and low usage cost.
Owner:BEIHANG UNIV

Method for culturing pleurotus eryngii

InactiveCN102187785ASolve the chemical fertilizerSolve problems such as pesticide residuesHorticultureFertilizer mixturesPesticide residueMycelial cord
The invention discloses a method for culturing pleurotus eryngii. The method comprises the following steps of: selecting saw powder of alfalfa growing in organic soil, wild nuts in mountain and wild trees in mountain, mixing, fermenting, sterilizing, and inoculating the sterilized fermentation product to pleurotus eryngii hypha to culture to obtain mature pleurotus eryngii. By adopting the alfalfa growing in the organic soil, the problem that the alfalfa growing in common soil contains chemical fertilizer, pesticide residue and the like is solved, and harm of chemicals to a human body is solved; meanwhile, because the alfalfa is selected as one of the culture medium materials for culturing the pleurotus eryngii, the germination rate of the pleurotus eryngii can be increased by using the alfalfa to culture the pleurotus eryngii; and because the alfalfa is used as one of the culture medium materials, the growth speed of hypha can be increased, so that the production efficiency of the pleurotus eryngii is increased, and the economic benefit of the pleurotus eryngii is increased. The method has the advantages of achieving the best sterilization effect, saving the sterilization time, being simple and easy in material selection, saving a large amount of labor, reducing the production cost and increasing the economic benefit.
Owner:LUOYANG JIAJIALE AGRI PROD DEV

A hot and spicy sauce and a preparation method thereof

The present invention discloses a hot and spicy sauce and a preparation method thereof, and belongs to the field of food seasoning technology. The preparation method comprises the following main steps: preparing each raw material according to characteristics of the raw materials, heating siritch to 180-200 DEG C, adding ginger and garlic into the siritch, sauting the ginger and garlic until fragrant, adding thick broad-bean sauce into the mixture, maintaining product temperature at about 95 DEG C and stir-frying the mixture for 3-6 minutes, frying the mixture with pepper, shii-take and chilli paste, edible fungus and diced tofu for about 10 minutes, adding inspissated juice of Chinese wolfberry, red date and apple, spice material and soy sauce into the mixture, frying the mixture for additional 5 minutes at a product temperature of about 95 DEG C, adding salt, edible fungus powder, crushed peanut and sesame, continuing frying the mixture for 5 minutes, adding zanthorylum oil, stopping the fire, and maintaining product temperature at above 65 DEG C for hot filling. The hot and spicy sauce prepared in accordance with the above-mentioned preparation method is rich in nutrition, beautiful, ruddy and shiny in color, rich in gloss, salty and spicy and natural in taste, harmonious in fragrance, and crispy and chewy in taste.
Owner:湖南辣啦食品科技有限公司

Automobile interior trim non-woven with negative ion function and production method thereof

The invention relates to automobile interior trim non-woven with the negative ion function and a production method thereof. The method comprises the following steps: selecting natural fibrilia and low melting point fiber, weighting, mixing, opening, air-laying, adding negative ion finishing agent, hot-rolling and reinforcing, performing impregnation and coating, moulding for forming, and drying to prepare the finished product, wherein the negative ion finishing agent is prepared from 100 parts of deionized water, 2-7 parts of dispersant and 6-12 parts of superfine tourmaline power through ultrasonic agitation and dispersion. The thermoplasticity of low melting point fiber is utilized to fix the negative ion finishing agent on a mesh. 125-175g/m<2> of negative ion finishing agent are on the non-woven and the amount of release of negative ions is 3500-8000 on every square centimeter. The product is used in parts such as automobile roofs, back bed-plates, luggage compartment door interior trims and clothes trees and can automatically release negative ions for a long time. The product can also be used in the interior trims and decorations of vehicles such as trains, planes and ships. The product can improve the air quality in an automobile on a trip and regulate the human microcirculation.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Liquid level detection method and liquid level detection device based on visible laser and image processing

The invention discloses a liquid level detection method and a liquid level detection device based on visible laser and image processing. The liquid level detection method comprises the steps of a first step, establishing a measurement coordinate system, wherein the background is the vertical-direction inner wall of a container for storing liquid, a camera and a laser head which is used for transmitting the visible laser are arranged above the liquid level, the camera obliquely faces the background relative to a horizontal surface, an included angle between the optical axis of the camera and the horizontal surface is theta; a second step, obtaining the movement track of a visible laser point through visible laser point movement detection; and a third step, obtaining a corner point coordinate which corresponds with the position of the liquid level based on the image of the movement track, and calculating an actual liquid level value AC'' based on the corner point coordinate according to a formula AC''=AC*sin(<ACC'')/sin(180DEG-theta-<ACC''). The liquid level detection method and the liquid level detection device based on visible laser and image processing have advantages of easy application and high interference resistance.
Owner:HUNAN UNIV

Equipment for monitoring state of current collector of medium and low-speed magnetic suspension train

The invention discloses equipment for monitoring the state of a current collector of a medium and low-speed magnetic suspension train. The equipment comprises a data acquisition system, an image acquisition system and a data storing and processing system, wherein the data acquisition system and the image acquisition system transmit detected motion state and current collecting state information and a motion image to the data storing and processing system; and the data storing and processing system stores and comprehensively processes the motion state and current collecting state information of the current collector and the motion image so as to output state data of the current collector. The data storing and processing system in the monitoring equipment acquires the motion state and current collecting state information of the current collector and the motion image at the same time, so that the acquired data and the acquired image can be comprehensively processed, the image can verify the detected data, and factors of the current collector, such as the material, the structural design, the mounting specification and the like, can be optimized, namely efficient data support for the improvement on the current collector is provided.
Owner:BEIJING ENTERPRISES HLDG MAGLEV TECH DEV +1

Preparation method of indoor flatting powder paint

The invention relates to a preparation method of indoor flatting powder paint, which is characterized by comprising the following steps: adding polybasic acid or acid anhydride, polyalcohol, catalyst and antioxidant into a reaction kettle, mixing, introducing nitrogen, heating to carry out esterification reaction or ester exchange reaction until the reaction liquid is completely clear, carrying out vacuum polycondensation until the acid value is 40-200mg KOH/g and the viscosity is 10-50 poise, cooling, and discharging to obtain the light yellow transparent or semitransparent solid component A polyester resin; adding polybasic acid or acid anhydride, polyalcohol, catalyst and antioxidant into a reaction kettle, mixing, introducing nitrogen, heating to carry out esterification reaction or ester exchange reaction until the reaction liquid is completely clear, carrying out vacuum polycondensation until the acid value is 10-50mg KOH/g and the viscosity is 30-100 poise, cooling, and discharging to obtain the light yellow transparent or semitransparent solid component B polyester resin, wherein the molecular weight of the component A polyester resin and the component B polyester resin are respectively controlled at 1000-10000 dalton; evenly mixing the component A polyester resin, component B polyester resin and polybasic organic acid to obtain a component C polyester resin; and mixing the component C polyester resin, epoxy resin E-12, barium sulfate, titanium white, leveling agent, brightener, physical flatting agent and benzoin to obtain the indoor flatting powder paint. The synthesis method has the advantages of diversity and the like, and can easily implement industrialized mass production.
Owner:广东大盈新材料科技有限公司 +1

Process for extracting lithium in salt lake brine through phosphate ion liquid to produce lithium carbonate

The invention provides a process for extracting lithium in salt lake brine to produce lithium carbonate. An extraction system comprises an extraction agent, a co-extraction agent and a diluent, wherein the extraction agent is phosphate ionic liquid containing lithium extraction functional groups, and sodium carbonate is added into solution subjected to extraction and oil removal for primary magnesium removal, after filtering, sodium hydroxide is added into the filtrate for secondary deep magnesium removal, the filtrate is concentrated, sodium carbonate is added for lithium precipitation, filtering is carried out to obtain a filter cake, washing with hot water is carried out, then drying is carried out, and the lithium carbonate is obtained. According to the extraction system, the saturation capacity of the extraction agent is increased by 1 time compared with that of an existing extraction agent and reaches 4 g / L, dilute hydrochloric acid can be used for back extraction, an organic phase is only washed with pure water so that the extraction agent can be regenerated, the process route is simplified, and the production cost is greatly reduced; and according to the process, a soap chemical sequence and an iron removal process are eliminated, so that industrial large-scale production is better facilitated.
Owner:青海柴达木兴华锂盐有限公司

Bamboo-structure single-layer spherical latticed shell and assembling method

The invention relates to a bamboo-structure single-layer spherical latticed shell and an assembling method. The bamboo-structure single-layer spherical latticed shell structurally comprises L bamboo rod pieces, M bamboo connecting pieces and N fixed hinge supports, wherein a single-layer spherical latticed shell main body is formed in a way that two ends of each radial bamboo rod, each weft bamboo rod and each diagonal bamboo rod of the L bamboo rod pieces are connected through the bamboo connecting pieces; the bamboo connecting pieces comprise steel inserting pieces, hollow balls, stiffening steel sheets and bolts; arc-shaped notches are reserved at one ends of the steel inserting pieces and are welded on the hollow balls; bolt holes are reserved at the other ends of the steel inserting pieces, and the bolts are respectively connected to the radial bamboo rods, the weft bamboo rods and the diagonal bamboo rods through the bolt holes; the stiffening steel sheets are welded in connecting positions between the steel inserting pieces and the radial bamboo rods, the weft bamboo rods as well as the diagonal bamboo rods; the upper ends of multiple fixed hinge supports are arranged on the hollow balls of the bamboo connecting pieces which are arranged at the bottom part, and the lower ends of the multiple fixed hinge supports are arranged at the top part of a supporting structure which is arranged at the lower part. The bamboo-structure single-layer spherical latticed shell disclosed by the invention has the advantages that the self weight is light, the construction is convenient, the structural stress is reasonable, the safety is high, the connecting joint is simple and reliable, the maintenance is easy, and environment-friendly effects are realized.
Owner:NANJING FORESTRY UNIV

Special flavor diced meat oily chili and preparation method thereof

The invention discloses a condiment, in particular to a special flavor diced meat oily chili and a preparation method thereof. The special flavor diced meat oily chili comprises the following raw materials of: by weight, 900-1000 parts of vegetable oil, 200-300 parts of chili sauce, 30-50 parts of fermented bean curd, 10-20 parts of bean paste, 2-4 parts of liquor, 40-60 parts of monosodium glutamate, 30-40 parts of salt, 3-5 parts of green prickleyash and 100-200 parts of special diced meat. the preparation method comprises the following steps of: a, preparing the materials; b, cooking chilli and taking out after boiling in water for 4-6 minutes; c, striking chili sauce; d. making the special diced meat, adding fermented bean curd, bean paste, monosodium glutamate, salt and liquor into the special diced meat, pickling for 20 minutes, and frying to crisp; e, stir-frying chili sauce, fermented bean curd and bean paste by using vegetable oil, adding liquor, green prickleyash and salt, adding the special diced meat, and frying; and f, cooling and packaging. The special flavor diced meat oily chili provided by the invention has advantages of superior materials and sophisticated production. The preparation method is scientific, reasonable and practical. The produced special flavor diced meat oily chili is unique in flavor, has a style of its own, and has excellent color, flavor, taste and shape.
Owner:余家友

Draining and salt-removing method for newly-ploughed salinized farmland

The invention discloses a draining and salt-removing method for a newly-ploughed salinized farmland, comprising the following steps of: making a simple farmland concealed pipe by utilizing a building PVC (Poly Vinyl Chloride) sewer pipe, uniformly drilling holes with the diameter of 3mm on the wall of a 100mm plastic sewer pipe by the punching rate of 75 percent, coating two to three layers of crude chemical fiber outside the wall of the pipe, and strapping with plastic ropes; digging several rows of concealed pipe ditches in the newly-ploughed salinized farmland, wherein the depth of the concealed pipe ditches is 1.5-2.0m, the bottom width is 30cm and the specification of the side slope is 1:0.5; paving plastic weaved cloth with the width of 40cm at the bottoms of the ditches, paving sand gravel with the thickness of 15cm on the plastic weaved cloth, paving a coated concealed pipe, paving and spreading sand gravel with the thickness of 15-20cm at the surrounding and the upper part of the concealed pipe, paving the plastic weaved cloth with the width of 40cm on the sand gravel and refilling. The invention mainly solves the technical problem of draining by the concealed pipe in the newly-ploughed salinized farmland in aired regions and has a wide application value on the aspects of prevention and control of salinization and secondary salinizaiton of farmland in the dried regions, reformation and utilization of the farmland in the dried regions as well as prevention and control of desertification.
Owner:INST OF SOIL & FERTILIZER XINJIANG ACAD OF AGRI SCI

Honeysuckle tribute tea and producing technology thereof

The present invention relates to a honeysuckle tribute tea and a production process of the honeysuckle tribute tea, which belongs to the manufacturing technical field of the tea substitute. The formula compositions in percentage of the prevent invention are 10 to 20 shares of honeysuckle, 0.6 to 5 of shares of ginseng tablet, 3 to 8 shares of chinese wolfberry, 3 to 5 shares of haw, 7 to 15 shares of Pang Ta Hai, 3 to 5 shares of lotus seed core, 1 to 5 shares of chrysanthemum and 40 to 60 shares of monocrystal rock sugar. The production process procedures of the present invention are harvesting of the fresh flower, air drying of the fresh flower, drying treating the flower in a low temperature, rolling, screening and clearing away the stalk, air selecting and classifying, mixing the flower with the chrysanthemum, the ginseng tablet, the Chinese wolfberry, the haw, the Pang Ta Hai, the lotus seed core and the monocrystal rock sugar and vacuum packing; the present invention has the remarkable effects of anti-bacteria, heat-clearing, detoxication, female-nourishing and male-regulation, cough-dyspnea-relieving, blood enriching and thirst quenching. The production process of the present invention has reasonable design, saves energy and has simple operation and less complicate equipment, which is easy to popularize and has a remarkable social and economic benefit.
Owner:湖南济草堂金银花科技开发有限公司

Buckling deformation-resistant glass fiber reinforced polycarbonate resin and preparation method thereof

ActiveCN102719071ADoes not cause orientationImprove warpageGlass fiberFiber
The invention provides buckling deformation-resistant glass fiber reinforced polycarbonate resin. The buckling deformation-resistant glass fiber reinforced polycarbonate resin is prepared from the following raw materials in part by weight: 43 to 77 parts of polycarbonate, 3 to 7 parts of flexibilizer, 20 to 50 parts of glass fiber, and 0 to 2 parts of aid; and the glass fiber is short fiber of which the width diameter ratio is (2:1)-(6:1), and the length is 3 to 6mm. The invention also provides a preparation method for the buckling deformation-resistant glass fiber reinforced polycarbonate resin. The method comprises the following steps of: weighing raw materials in a weight ratio; mixing polycarbonate, flexibilizer, and aid in a mixer for 10 to 30 minutes; and feeding the mixed raw materials into a twin-screw extruder, performing side feeding of the glass fiber, performing melt extrusion, and pelleting. The buckling deformation-resistant glass fiber reinforced polycarbonate resin has the advantages that the added glass fiber is special-shaped glass fiber which is high in width diameter ratio, so that when melt flows, the orientation of the glass fiber is avoided; therefore, the shrinkage rates in the horizontal and longitudinal directions are consistent with each other, and the buckling performance of a final product is improved; the rigidity and the flowability are improved, and the glass fiber reinforced polycarbonate resin is excellent is comprehensive mechanical property; and raw materials have few varieties, so that materials can be selected conveniently, and the actual production and operation can be realized conveniently.
Owner:SHANGHAI KUMHO SUNNY PLASTICS
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