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53results about How to "Strong price" patented technology

Navigation robot obstacle detection method and system

The invention discloses a navigation robot obstacle detection method and system. The system mainly comprises an ultrasonic detection module, an ultrasonic scanning module, an infrared detection compensation module and a robot core control module, wherein the ultrasonic detection module is mainly realized by amplifying a 40 kHz high-voltage driving signal and an ultrasonic receiving signal. The module is erected on a scanning steering engine to realize front non-dead-angle 180-degree scanning detection. By combining infrared range finding, the compensation of a navigation robot ultrasonic blind region is realized. A driving circuit is realized by establishing an H bridge with a field effect transistor. In a navigation robot, planar multi-point sensing is realized by using a pair of ultrasonic probes; the range finding range can reach 5.9 m at farthest; and a detection blind region is reduced to 2 cm. The system has the characteristics of low cost, small detection blind region, high anti-diffraction capacity, high real-time property and the like and has broad industrialization prospect. The method and the system can be used for the fields of micro robot navigation, environmental detection, intelligent vehicle active safety and the like.
Owner:CENT SOUTH UNIV

Method for treating acid waste water containing copper and iron

The invention discloses a method for treating acid waste water containing copper and iron. The method comprises the steps of: firstly, carrying out metathesis on copper in wastewater by using iron powder and filtering; secondly, activating and culturing strains preserved in a unit by using a solution obtained through the metathesis, and carrying out domestication; thirdly, oxidizing the solution obtained through the metathesis by using domesticated bacteria under the stirring or aerating condition; and fourthly, generating polyferric sulfate by using an oxidized Fe<3+> solution. The method has the advantages of short process flow, simple equipment structure, less investment, low cost, environment friendliness because of no generation of externally-emitted matters, and capability of recycling valued metals so that economic benefit is increased.
Owner:厦门紫金矿冶技术有限公司

Steel screen restricted column plastic hinge region concrete structure and making method thereof

InactiveCN103225368AGood restraint effectSlow down the rate of stiffness decayStrutsBuilding reinforcementsRebarEngineering
The invention discloses a steel screen restricted column plastic hinge region concrete structure and a making method thereof, and belongs to the technical field of building engineering construction. In the invention, the binding of steel screens outside the steel reinforcement cage of a column plastic hinge region provides a good restriction effect for concrete, can prevent the early shedding of concrete and improves the column ductility. The making method concretely comprises the following operation steps: steel reinforcement cage binding, steel screen cutting, steel screen bending, steel screen installation, and column formwork and concrete pouring and vibration. The steel screen restricted column plastic hinge region concrete structure effectively raises the rotation capability of the column plastic hinge region, improves the column ductility and improves the concrete work state.
Owner:BEIJING UNIV OF TECH

Antibacterial and mildew-resisting packaging paper

The invention mainly relates to the technical field of packaging paper processing and discloses antibacterial and mildew-resisting packaging paper. The antibacterial and mildew-resisting packaging paper is prepared from the following raw materials: corn stalk, wheat stalk, scandent hop herb, mulberry leaves, madder herb, elsholtzia herb, volcanic rocks, activated carbon, chitosan, dipotassium glycyrrhizinate, sodium selenite and lipase. The antibacterial and mildew-resisting packaging paper has the advantages of easiness in raw material obtaining, simple preparation and low price; in addition, the anti-bacterial rate can reach 88 percent, so the packaging paper has relatively-high antibacterial property; the antibacterial and mildew-resisting packaging paper has safety and no toxicity to a human body, so that human health can be ensured when packaged articles are used; besides, the corn stalk and the wheat stalk have extensive source and low price and ensure that the packaging paper is light in mass and is easy to transport and use. The crushing grain diameters of the corn stalk and the wheat stalk are relatively-large and the fiber length is increased, so that the connection of fibers is facilitated, the strength of the packaging paper is improved and hair slip of the packaging paper is avoided; furthermore, by adding the lipase, the fat ingredient in the raw materials can be decomposed, papermaking is facilitated, the cross-linking effects among the fibers can be improved, and strength and smoothness of the paper are improved; according to the antibacterial and mildew-resisting packaging paper, packaging is benefited, and the protecting function of the articles is improved.
Owner:HEFEI LONGFA PACKING CO LTD

Inclined bidirectional rotary dish washing method and dish washing machine thereof

The invention discloses an inclined bidirectional rotary dish washing method and a dish washing machine thereof. The dish washing machine comprises a tank body and a cage which is transversely and movably arranged inside the tank body, wherein an isolation groove for clamping a container is arranged on the cage along the direction of a rotating shaft of the cage; and the isolation groove is obliquely arranged relative to the rotating shaft. Due to the obliquely arranged isolation groove, the container in the oblique isolation groove is driven to turn over through rotation of the cage, and theoblique container is cleaned by stirring a cleaning solution in the tank body; the rotating speed of the cage is accelerated, so that bowls and / or dishes and other containers in the isolation groove are flapped to generate high-speed water bloom, even strong water stream, to be splashed to the surfaces of the containers, so that the cleaning time is shortened, the rotating container completely eliminates blind angle areas existing in fixed containers washed by a spray mode, and the cleaning is more complete; and the dish washing machine with an improved cleaning principle has a more concise structure and lower cost, is suitable for common household, and has a stronger price advantage and market competive force.
Owner:刘全

Driving device, transmitting system and driving method of nanosecond narrow pulse laser

The invention provides a driving device, a transmitting system and a driving method of a nanosecond narrow pulse laser. The nanosecond narrow pulse laser driving device comprises a gate driving unit and a full-bridge circuit. The gate driving unit is used for amplifying a signal input into the gate driving unit and the signal is amplified enough to drive an MOSFET in a post-stage full-bridge circuit. The full-bridge circuit is composed of a PMOSFET and an NMOSFET and is used for amplifying an output signal of the gate driving unit again to generate a laser driving signal. The laser driving signal is enough to drive a laser diode. In the invention, common devices such as a common gate driver and a full-bridge circuit which are low in cost and poor in performance can be used for replacing aspecial gate driver and power device combination which is high in performance and high in price, and advantages of low cost and high cost performance are achieved.
Owner:VISIONICS MICROELECTRONICS TECH CO LTD

Automatically controlled shuttlecock serving motor machine

The invention relates to an automatically controlled shuttlecock serving motor machine which is composed of a motor, a snail type shell, a funnel, a supporting frame, scored pulleys and rails, wherein the snail type shell is connected with the motor and the funnel through bolts; the supporting frame is connected with the motor and the funnel through a supporting shaft; the motor is connected with the supporting frame through bolts; the scored pulleys are connected with the supporting frame through bearings; the scored pulleys roll on the rails. The automatically controlled shuttlecock serving motor machine is simple, reasonable and novel in structure, is convenient in operation, is used for performing partner training by replacing a shuttlecock training partner, is capable of increasing the training effect and is high in practicability.
Owner:SHANGQIU POLYTECHNIC +2

Root-resistant modified bitumen waterproof structure for planting roof

The invention provides a root-resistant modified bitumen waterproof structure for a planting roof. The waterproof structure includes a structural layer, a slope making layer, a heat preservation layer, a leveling layer, a root-resistant waterproof layer, a drainage layer and a filter layer, which are arranged from bottom to top; the root-resistant waterproof layer is made of modified bitumen waterproof rolling material; the modified bitumen waterproof rolling material is composite copper base modified bitumen waterproof rolling material or chemically root resistant type modified bitumen waterproof rolling material. The root-resistant modified bitumen waterproof structure for the planting roof, provided by the invention, has the dual functions of resisting water and preventing root penetration of the plant and the advantages of being root-resistant, tear-resistant, high in tensile strength and ductility, high in capability of adapting to base layer shrinkage strain and crack, and good in high and low temperature resistance, corrosion resistance, mildew resistance and weather resistance.
Owner:TIANJIN YUSHEN BUILDING WATERPROOF MATERIAL

Preparation method of crayon-shaped Mn3O4 microstructure and obtained product

ActiveCN107555480AControl the nucleation rateFine control of size distributionManganese oxides/hydroxidesSodium acetateManganese
The invention discloses a preparation method of a crayon-shaped Mn3O4 microstructure and an obtained product. The preparation method comprises the following steps of adding divalent manganese salt, sodium acetate, polyvinylpyrrolidone and disodium ethylenediaminetetraacetate into a mixed solvent including water, ethanolamine and glycerol, and stirring to obtain a transparent solution; heating thetransparent solution to carry out a solvothermal reaction; after the reaction, the product is centrifugally separated and washed to obtain the Mn3O4 microstructure. The raw materials used in the invention are all common chemicals and reagents in the market, which have the advantages of low price, simple synthesis process, and no need of high temperature and inert gas protection conditions and aresuitable for large-scale production. The crayon-shaped Mn3O4 obtained by the invention has the advantages of controllable microstructure, narrow size distribution range, high yield and good repeatability, and has potential application value in the fields of super capacitors, catalysis, sensing, lithium-ion batteries and the like.
Owner:UNIV OF JINAN

Polyester resin for powder coating and preparation method thereof

The invention relates to the technical field of coatings, in particular to polyester resin for a powder coating and a preparation method thereof. Raw materials of the polyester resin do not contain formaldehyde and are free of toxics, health and environmentally friendly. A bisphenol monomer has good heat resistance and high rigidity and is cheaper than neopentyl glycol. As other basic raw materials keep the same, the use of the bisphenol monomer can improve the glass transition temperature, storage performance and weather resistance of the polyester resin for the powder coating and the impactresistance of the coating; the addition of a small amount of trimethylolpropane can improve the branching degree of the polyester resin, and the use of an antioxidant can effectively enhance the oxidation resistance of the polyester resin, and then the weather resistance of the powder coating is improved.
Owner:GUANGDONG UNIV OF TECH

Automatic control table tennis serving machine

The invention relates to an automatic control table tennis serving machine, which consists of a helicoid casing, a motor, a bull horn type funnel, a support frame and a regulating rod, wherein the motor and the bull horn type funnel are bonded on the helicoid casing, the support frame is connected with the motor and the bull horn type funnel through a support shaft, the motor is bonded with the support frame, one end of the regulating rod is connected with the support frame through a shaft, and the other end of the regulating rod is connected with the helicoid casing through a small shaft. The automatic control table tennis serving machine has the advantages that the structure is simple, reasonable and novel, the operation is simple and convenient, the table tennis serving machine can replace table tennis training partners to realize partner training, the training effect can also be improved, and the practicability is high.
Owner:ANHUI YOOAN RAINGEAR

End unbonded reinforced concrete beam with non-equal strengths

The invention relates to an end unbonded reinforced concrete beam with non-equal strengths, belonging to the structural engineering field. The specific operating steps comprise preparing a corrugated pipe of which two ends are bonded with foam pads, fixing the corrugated pipe and a longitudinal bar, binding a reinforcement cage, pouring a beam formwork and concrete and vibrating. According to the end unbonded reinforced concrete beam, the corrugated pipe is fixed at the end of the longitudinal bar of the beam to achieve locally unbonded effect, the longitudinal bar is composed of an ordinary steel bar and a high-strength steel bar, the ordinary steel bar is yielded firstly under the action of repeated loading, and the high-strength steel bar is kept in an elastic deformation stage, so that the residual deformation of the beam is reduced. The length of the buckling section of the beam can be effectively increased, the energy-dissipating capacity of the beam is improved and the anti-seismic property of the beam is improved.
Owner:南通翰坤建筑材料有限公司

Automobile engine working condition adjusting and energy-saving device

The invention provides an automobile engine working condition adjusting and energy-saving device which comprises an automobile engine working condition parameter adjustor which can be connected with an automobile engine intake air pressure sensor or an air flow sensor, an automobile crankshaft position sensor, an automobile oxygen sensor, a speed sensor and an original automobile engine control computer. The device and the connection mode are simple and convenient in adjustment; by monitoring the working condition of the engine, adjusting output signals of a sensor according to various different practical demands by using the adjustor, and carrying out personal adjustment, the precise control to the working condition of the engine is realized, thereby achieving the purpose of technical energy saving and emission reduction; the automobile engine working condition adjusting and energy-saving device is simple in structure, precise in adjustment, wide in popularization, strong in function, appropriate in price and easy to popularize; the automobile engine working condition adjusting and energy-saving device is a control mode to directly adjust the engine in control techniques, and the problems of energy waste and pollution emission are fundamentally solved.
Owner:杭州晟城环保科技有限公司

Preparation method of bismuth oxychloride photocatalyst

The invention discloses a preparation method of a bismuth oxychloride photocatalyst. The preparation method comprises the following steps of mixing and stirring the ground nanometer-level bismuth oxide, sodium chloride and water to react at room temperature, wherein the particle size of the used bismuth oxide is 10 to 500nm; washing the obtained precipitate after reaction by ammonia chloride, deionized water and anhydrous ethyl alcohol, and drying, so as to obtain the bismuth oxychloride photocatalyst. The preparation method has the advantages that the bismuth oxychloride photocatalyst is synthesized by the one-step reaction method at room temperature, the reaction conditions are moderate, the technology process is simple and convenient, and the reaction process is easy to control; the prices of the reaction raw materials are low, the raw materials are easy to obtain, and the production cost is low; any heating equipment is not required in the whole process, the energy consumption is low, and the cost is reduced; the commercial utilization value is realized, the prepared bismuth oxychloride can be widely applied to the industries and fields of environment protection, daily chemicals, coatings, catalysts and the like, and the application prospect is broad in the field of photocatalysis.
Owner:董润华

MCU-based second generation ID card network encoding/decoding system

The invention discloses a MCU-based second generation ID card network encoding / decoding system and a method. The system comprises a shell, wherein a display screen is arranged on the shell; a key is arranged on the lower part of the shell; a work state indicator is arranged on the upper part of the shell; the work state indicator is arranged on the display screen; a MCU controller, a storage, a TCP / IP communication system, a display driving circuit, a wireless communication system, an intelligent charging system and a SAM safe module are arranged in the shell; the intelligent charging system comprises a power controller, a charging module and a battery; the power controller is connected with the charging module; the charging module is connected with the battery; the MCU controller is respectively connected with the key, the storage, the TCP / IP communication system, a display driving circuit, a wireless communication system, a power controller and a SAM safety module. According to the invention, the traditional encoding / decoding module is networked, the encoding / decoding treatment and communication can be stably performed for a long term; the structure is simple; the property is reliable; the cost is low; the function is powerful; the working state is transferred.
Owner:郑州中软高科信息技术有限公司

A football training electric device

The invention relates to a football training electric actuator, which is formed by a motor, an ox horn type funnel, a snail type shell, a support and a geneva wheel, wherein the motor and the ox horn type funnel are welded on the snail type shell; the support is connected with the motor and the ox horn type funnel through a support shaft; the motor is welded with the support; the geneva wheel is connected with the support through a bearing; the geneva wheel is connected with the snail type shell through a transmission rod. The football training electric actuator is simple, reasonable and novel in structure and simple and convenient to operate, not only can substitute for football training partners for partner training, but also can be beneficial to improvement of the training effect, and has high practicability.
Owner:ZHONGZHOU UNIV +5

A kind of electromechanical badminton serving equipment

The invention relates to an electromechanical type badminton serving apparatus, which consists of a motor, a snail type casing, an ox horn type funnel and a bracket, wherein the motor is welded on the snail type casing, the ox horn type funnel is welded on the snail type casing, the snail type casing is connected with the bracket through a rotary shaft, and the motor is connected with the bracket. The electromechanical type badminton serving apparatus has the advantages that the structure is simple, reasonable and novel, the operation is simple and convenient, the partner training can be realized by replacing a badminton training partner with the apparatus, the training effect is improved, and the practicality is high.
Owner:ANHUI YOOAN RAINGEAR

Organic silicon modified vinyl acetate ternary composition and preparation method thereof

The invention relates to an organic silicon modified vinyl acetate ternary composition which comprises the following components: 65-80 parts by weight of a copolymer unit A of siloxane modified vinyl acetate; 5-15 parts by weight of an aminoalkyl terminated siloxane oligomer unit B; and 3-10 parts by weight of a hyperbranched polysiloxane unit C. The copolymer unit A of siloxane modified vinyl acetate can improve the water resistance, weather resistance and mechanical stability of the composition as a film-forming coating material on the surface of concrete. The aminoalkyl-terminated siloxane oligomer unit B can improve the adhesive property, water resistance, high temperature resistance and weather resistance of the organic silicon modified vinyl acetate ternary composition as a coating. The hyperbranched polysiloxane unit C facilitates film coating when the organic silicon modified vinyl acetate ternary composition is used as a coating, and the thermal stability and corrosion resistance of the coating can be improved.
Owner:HUBEI UNIV

Electromechanical type table tennis training apparatus

The invention relates to an electromechanical type table tennis training apparatus, which consists of a snail type casing, a motor, an ox horn type funnel, a bracket and an adjusting rod, wherein the snail type casing is connected with the motor and the ox horn type funnel through flanges, the bracket is connected with the motor and the ox horn type funnel through support shafts, the motor is connected with the bracket through bolts, one end of the adjusting rod is connected with the bracket through a shaft, and the other end of the adjusting rod is connected with the snail type casing through a small shaft. The electromechanical type table tennis training apparatus has the advantages that the structure is simple, reasonable and novel, the operation is simple and convenient, the partner training can be realized by replacing a table tennis training partner with the apparatus,, the training effect is improved, and the practicality is high.
Owner:SHANGQIU POLYTECHNIC +2

Motor machine for table tennis training

The invention relates to a motor machine for table tennis training. The motor machine is composed of a snail type shell, a motor, an ox horn type funnel, a bracket and an adjusting rod, wherein the snail type shell is connected with the motor and the ox horn type funnel through rivets; the bracket is connected with the motor and the ox horn type funnel through a supporting shaft; the motor is connected with the bracket through rivets; one end of the adjusting rod is connected with the bracket through a shaft while the other end is connected with the snail type shell through a small shaft. The motor machine for table tennis training is simple, reasonable and novel in structure, is convenient in operation, is used for performing partner training by replacing a table tennis training partner, is capable of increasing the training effect and is high in practicability.
Owner:高丽 +6

Robot table tennis serving device

The invention relates to a robot table tennis serving device, which consists of a helicoid casing, a motor, a cow horn type funnel, a support frame and a regulating rod, wherein the motor and the cow horn type funnel are welded on the helicoid casing, the support frame is connected with the motor and the cow horn type funnel through a support shaft, the motor is welded with the support frame, one end of the regulating rod is connected with the support frame through a shaft, and the other end of the regulating rod is connected with the helicoid casing through a small shaft. The robot table tennis serving device has the advantages that the structure is simple, reasonable and novel, the operation is simple and convenient, the robot table tennis serving device can replace table tennis training partners to realize partner training, the training effect can also be improved, and the practicability is high.
Owner:孙传莉

Composition for coating and coating as well as preparation method thereof

The invention discloses a composition for a coating, the coating and a preparation method thereof. The composition for the coating comprises the following raw materials in parts by weight: 50 to 55 parts of calcium carbonate, 10 to 15 parts of polyurethane emulsion, 30 to 40 parts of water, 2 to 5 parts of dispersing agents, and 1 to 2 parts of flatting agents. The invention also provides a method for preparing the coating by using the composition. The method for preparing the coating by using the composition is characterized by comprising the following steps of adding the calcium carbonate, the polyurethane emulsion, the water, the dispersing agents and the flatting agents into a container, and agitating and mixing uniformly an obtained mixture. The invention also provides the coating, which is prepared according to the method. Main raw material of the composition for the coating is the calcium carbonate, and is low in cost; the durability of the coating is increased by using the polyurethane emulsion; moreover, a water-glass color dispersing agent is used, so that the luster of a paint film can be increased, and the coloring and the covering power of the coating can be improved, the flooding and the sedimentation can be prevented, and the production efficiency and the storage stability of the coating can be improved. The coating prepared by the invention is not only low in cost, but also has the advantages of high durability and storage stability.
Owner:JIANGSU HAIAN PETROCHEM PLANT

Shuttlecock ball machine

The shuttlecock ball machine is composed of a motor, a snail-shaped shell, a funnel, a support frame, a sheave and a rail. The snail-shaped shell is connected to the motor and the funnel through rivets, and the support frame is connected to the motor and the funnel through a support shaft. The rivet is connected with the supporting frame, the grooved wheel is connected with the lower end of the supporting frame through the bearing, and the grooved wheel rolls on the track. The present invention is simple, reasonable and novel in structure, easy to operate, can replace shuttlecock sparring partner training, and can improve training effect, has strong practicability and is easy to popularize.
Owner:ANHUI YOOAN RAINGEAR
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