75results about How to "Clever thinking" patented technology

The invention discloses a method for calculating the thickness and the weight of ice coating on an overhead transmission line of a tangent tower. The method comprises the following steps of: 1, calculating basic mechanic parameters of a wire at ice coating temperature but without ice coating in a vertical plane according to the design parameters; 2, calculating height difference angle in a wind deviation plane, wire horizontal stress, wire deadweight ratio load in a vertical direction, horizontal span and wire length from the lowest point of a wire of big and small side towers to a main tower according to the wind deviation angle of an isolator string measured by a sensor; and 3, establishing a relation expression between the tilt angle of the isolator string in the wind deviation plane and the wind deviation angle of the isolator string in the wind deviation plane and the tilt angle of the isolator string in the vertical plane, and establishing an equation of load balance in the vertical direction after the ice coating in the wind deviation plane, and calculating the thickness and weight of equivalent ice coating of the wire. The method has the advantages of reducing the equipment quantity, and improving the calculation precision and the accuracy and the reliability of the calculation result.

The invention provides a practical decoupling electromagnetic transient state modeling method for describing the nonlinear magnetic saturation property of a super / extreme-high voltage magnetically controlled shunt reactor (MCSR), comprising the steps of: providing a transient equivalent reactance algorithm on the basis of a dynamic magnetic resistance idea under AC / DC mixed excitation; reflecting the real-time dynamic change property of the saturated equivalent reactance under the condition of the AC / DC mixed excitation; accurately describing the magnetizing and demagnetizing effect of network side AC current on a reversely series-wound DC excitation saturation magnetic circuit in two main magnetic circuits of the super / extreme-high voltage magnetically controlled shunt reactor (MCSR); describing nonlinear magnetic circuit property with arc hyperbolic functions; decoupling a coupling magnetic circuit equation; differencing transient equivalent reactance by an implicit trapezoid integration algorithm with damping; and establishing an electromagnetic transient state model. The invention not only accurately reflects the continuously smooth regulation property of the saturated magnetic circuit of the super / extreme-high voltage magnetically controlled shunt reactor (MCSR) and prevents the numerical oscillation of piecewise linearization algorithm, but also can meet the requirements of real-time / faster-than-real-time simulation computation under the condition of large-range continuous regulation.

The present invention discloses a unidirectional optical path data importing apparatus based on data image encoding and decoding technique which can automatically, unidirectionally and safely transmit data of external network to the internal network. The invention are achieved by the following technical solutions, the device includes an exterior network terminal, a display, an image acquisition apparatus and an internal network terminal, wherein, the external network terminal is connected to the display through data lines, the image acquisition apparatus is connected to the internal network terminal through data lines, and the display is provided adjacent to the image acquisition apparatus; the exterior network terminal contains a data management module, a data image coding module and an image display module; the internal network terminal includes a video capturing module, an image processing module, a data image decoding module, a verifying and error correction module, and a data frame assembling module. The device has advantages of simple hardware structure, low cost, intuition to inform users whether it is isolated or unidirectional, easy application and significant social and economic benefits.

The invention discloses a primary power supply scrambler of which the circuit structure comprises a power supply module A, a power supply module B, a power supply module C, a diode D1, a diode D2, a diode D3, an MOS tube Q1, an MOS tube Q2, an MOS tube Q3, a singlechip control module, a driving module, a potentiometer, an LCD liquid crystal display module and a keyboard. In the primary power supply scrambler, the diodes and electronic switches are respectively connected in series on the output of the power supply modules (A / B / C) to provide power output for an electronic system, the voltage of A / B / C as well as the on / off time of K1 / K2 / K3 are respectively set, so that a voltage jump of which the duration can be set is obtained at the common output end of the two electronic switches, thereby simulating the functions of overvoltage surging, undervoltage surging and micro power-down. The technology has the advantages of skillful consideration, simple circuit and reliable control. At present, the technology is used to produce multiple surge voltage generators meeting the requirements of aerospace military standard and can simulate the functions of overvoltage surging, undervoltage surging, micro power-down and the like.

The invention discloses a pair of lead-free nuclear radiation protective gloves and a preparation method thereof, solves the problems that lead-containing gloves pollute the environment and are harmful to the health of personnel, and belongs to the technical field of nuclear protective materials. The lead-free nuclear radiation protective glove is prepared from the following raw materials in parts by weight: 100 parts of rubber-based material and 200-700 parts of shielding functional filler. The preparation method comprises the following steps: weighing the rubber base material according to the formula ratio, and plastifying the rubber base material adding the rest raw materials, and mixing, calendering and tabletting the mixture to make a rubber sheet; and putting the rubber sheet into a forming mold for vulcanization to obtain the lead-free nuclear radiation protective glove. The lead-free nuclear radiation protection glove is high in shielding filler, can achieve protection of single or comprehensive radiation types of X-ray radiation, gamma-ray radiation and neutron ray radiation, and has good weather resistance and mechanical properties. According to the method disclosed by the invention, the shielding filler can be uniformly dispersed in the rubber-based material, so that the production cost can be effectively reduced, and the yield of products is improved.

The invention discloses a safe transportation device for juvenile hairy crabs. The safe transportation device comprises a box, a water tank is arranged in the box, a box cover is arranged at the upper end of the box in cooperation, a temperature inductor is arranged in the water tank, and a heating pipe and a refrigeration pipe are further arranged in the water tank. A high-speed motor is fixed to the box cover, a driving shaft is located in an aerator pipe, the top end of the driving shaft is fixedly connected with an output shaft of the high-speed motor, handles are arranged on the outer side wall of the box, and the bottoms of the handles are provided with grooves with semicircular sections in the length direction of the handles. Buffer airbags are arranged on the inner walls of the water tank, a shakeproof layer is arranged in the box, the water tank is arranged on the shakeproof layer, and strong springs are arranged between the water tank and the box. The bottom of the box is connected with a bottom plate through a spring buffer mechanism, the spring buffer mechanism comprises spring sleeves and pressing columns, and compression springs are arranged in the spring sleeves. The safe transportation device has the advantages of providing oxygen, adjusting water temperature, reducing shock and achieving buffering, the stability of the box in the transportation process is guaranteed, overall stability is guaranteed, and carrying is more convenient.

The present invention relates to a modified urea formaldehyde resin preparation method, which comprises: adding a modified layered silicate to a urea formaldehyde resin prepolymer, and polymerizing to obtain the layered silicate-modified urea formaldehyde resin, wherein the modified layered silicate is the layered silicate with the amino functional group on the surface. According to the present invention, the provided urea formaldehyde resin can contain up to 40% of the layered silicate so as to substantially reduce the cost of the urea formaldehyde resin; the morphology is the regular spherical particles, the irregular columnar particles or the irregular ellipsoidal particles, and the thermal stability is good; and the ideal of the preparation method is ingenious, the operation is simple, and the platform is provided for the modification of the urea formaldehyde resin.

The invention relates to an all-time automatic target scoring system and an ammunition drop point positioning method thereof. The invention relates to the technical field of photoelectric measurement, a GPS positioning technology is introduced on the basis of passive cross positioning of an infrared camera, GPS positioning is carried out on an observation station, a target and a reference point, a passive cross positioning model is established on the basis, the limiting conditions of a system for a working environment are reduced, and the applicability of the system is enhanced; a three-dimensional aerial motion track of an ammunition target is generated by performing preprocessing, target detection, track association, space-time calibration, cross positioning and tracking on infrared images of each observation station, and ammunition drop point positioning and target scoring are performed according to target GPS information after ammunition landing explosion, so that measurement errors caused by inaccurate positioning of ammunition drop point pixel points due to landing explosion are avoided. The target scoring system has few working environment limiting conditions, is high in expandability and applicability, facilitates generation of instructive target scoring information, is high in positioning method precision, and is suitable for popularization and application in a target range.

The invention provides a printing module of a cigarette making and plug assembling machine. A flat key is arranged on the outer circumference surface of a steel seal roller transmission shaft; a key groove is formed in the inner circumference surface of a steel seal roller; the flat key is matched with the key groove; the steel seal roller is also provided with a threaded hole penetrating through the inner circumference surface; the threaded hole is matched with a locking screw; and the locking screw is propped against the steel seal roller transmission shaft. The printing module has the advantages that the threaded hole is formed in the steel seal roller and is matched with the locking screw, and the purpose that the steel seal roller is locked is completely achieved, so that a transmission gap between the steel seal roller and the steel seal roller transmission shaft is eliminated, the damage to the steel seal roller transmission shaft and the slot groove is avoided, the phenomenon of steel seal polychrome brand escape is thoroughly solved, the thought is skillful and practical, meanwhile, two steel seal rollers of the printing module share one printing roller, after a steel seal on the left side of cigarette paper is printed, the steel seal on the right side is immediately printed, the distance between the left steel seal and the right steel seal is short, the overlap of steel seals caused by the conveying fluctuation of the cigarette paper is avoided, the steel seal polychrome printing accuracy is high, and the printing module is particularly suitable for the cigarette production with high printing accuracy requirements.

The invention discloses a measuring method for soil moisture and electrical conductivity based on vectorial resultant and a device thereof. Reference signals obtains resistance-capacitance model signals with variable amplitude and phase by a soil signal collection module; similarly, the reference signals is used, amplified and reversed to obtain reverse signals with adjustable gain; and vectorial resultant is carried out on the resistance-capacitance model signals and the reverse signals with adjustable gain by a vectorial resultant module to obtain capacitive component and conductive component, namely obtain the soil moisture and the electrical conductivity of the soil model. The invention provides a soil moisture testing method with simple and smart thought, easy operation and easy realization. The method can eliminate the influence of the electrical conduction in soil, accurately separate the capacitive component of the soil and improve the sensitivity and accuracy of a dielectric method for moisture measurement. By the offset to the electrical conductivity of the soil model, the electrical conductivity of the soil can be obtained; and the electric conductivity is an important parameter for reflecting the soil fertility.

The invention discloses a measuring method for soil moisture and electrical conductivity based on vectorial resultant and a device thereof. Reference signals obtains resistance-capacitance model signaThe invention discloses a measuring method for soil moisture and electrical conductivity based on vectorial resultant and a device thereof. Reference signals obtains resistance-capacitance model signals with variable amplitude and phase by a soil signal collection module; similarly, the reference signals is used, amplified and reversed to obtain reverse signals with adjustable gain; and vectorialls with variable amplitude and phase by a soil signal collection module; similarly, the reference signals is used, amplified and reversed to obtain reverse signals with adjustable gain; and vectorialresultant is carried out on the resistance-capacitance model signals and the reverse signals with adjustable gain by a vectorial resultant module to obtain capacitive component and conductive componenresultant is carried out on the resistance-capacitance model signals and the reverse signals with adjustable gain by a vectorial resultant module to obtain capacitive component and conductive component, namely obtain the soil moisture and the electrical conductivity of the soil model. The invention provides a soil moisture testing method with simple and smart thought, easy operation and easy realit, namely obtain the soil moisture and the electrical conductivity of the soil model. The invention provides a soil moisture testing method with simple and smart thought, easy operation and easy realization. The method can eliminate the influence of the electrical conduction in soil, accurately separate the capacitive component of the soil and improve the sensitivity and accuracy of a dielectric mzation. The method can eliminate the influence of the electrical conduction in soil, accurately separate the capacitive component of the soil and improve the sensitivity and accuracy of a dielectric method for moisture measurement. By the offset to the electrical conductivity of the soil model, the electrical conductivity of the soil can be obtained; and the electric conductivity is an important pethod for moisture measurement. By the offset to the electrical conductivity of the soil model, the electrical conductivity of the soil can be obtained; and the electric conductivity is an important parameter for reflecting the soil fertility.arameter for reflecting the soil fertility.

The invention discloses a stable butylphthalide small squirt, and a preparation method and application thereof, and solves the problems of poor stability and inconvenience in clinical use of a butylphthalide injection in the prior art. The butylphthalide small squirt is prepared from the following raw materials: butylphthalide, sodium sulfobutyl-beta-cyclodextrin and water, wherein the weight ratio of the butylphthalide to the sodium sulfobutyl-beta-cyclodextrin to the water is 1:(30-35):(40-400). The preparation method comprises the following steps: weighing a prescription amount of sodium sulfobutyl-beta-cyclodextrin, and adding water for injection to dissolve the sodium sulfobutyl-beta-cyclodextrin so as to prepare an auxiliary material solution; adding butylphthalide into the auxiliary material solution, conducting stirring to enable the sulfobutyl beta-cyclodextrin sodium to be clathrated with the butylphthalide, and after the clathration of the butylphthalide is completed, adjusting the pH value of the solution to 4.5-5.5; and conducting filtering, filling and sterilizing to obtain the product. The butylphthalide small squirt has good stability and safety, and is suitable for industrial production. Compared with a butylphthalide sodium chloride injection, the injection provided by the invention has better stability.