61results about How to "High technical reliability" patented technology

The present invention relates to a system for detecting safety-critical measured quantities, in particular yaw rates or acceleration data in automotive vehicles, comprising at least two independent measuring channels with sensors that are independent of one another and elements for verifying a malfunction or a failure of the measuring channels. The first measuring channel and the additional measuring channel(s) are operated in hot redundancy employing sensors of the similar type but not exactly identical in such a manner that the sensors are operated in parallel and without restriction. This invention also relates to a device consisting of a sealed housing with a plug, and the aforementioned system is accommodated in the sealed housing.

The invention relates to a method for preparing solid amorphous alloy thin strips with controllable microstructures. The method is characterized by specifically comprising the steps that first, solid amorphous alloy thin strip samples at different alloy melt temperatures are prepared; second, the three-dimensional structures of atomic clusters in the solid amorphous alloy thin strips corresponding to different alloy melt temperatures are subjected to characterization by a transmission electron microscope; third, atomic cluster structure characteristics and the preparation temperatures of the solid amorphous alloy thin strips are related; fourth, the atomic cluster structures of alloy melt are selected and solidified to the solid amorphous alloy thin strips rapidly. According to the method, the microstructures of the solid amorphous alloy thin strips can be effectively controlled to achieve the designability and the controllability of the microstructures of the solid amorphous alloy thin strips and obviously improve the macroscopic physical performance of the solid amorphous alloy thin strips. The method for preparing the solid amorphous alloy thin strips with the controllable microstructures has the characteristics of being simple and convenient to implement, high in efficiency, low in cost, high in controllability and repeatability and high in technical reliability and the like, and is suitable for being widely applied in the technical field of preparation of metal functional materials.

The invention relates to a technique for enhancing amorphous forming ability of an alloy melt. The technique is characterized by comprising the following steps: 1. measuring the viscous characteristic of an superheating circulation treatment alloy melt; 2. establishing the relation between the superheating circulation treatment temperature and alloy melt viscous characteristic of the Fe-Si-B alloy melt; 3. selecting the Fe-Si-B alloy melt superheating treatment temperature, and carrying out heat treatment; and 4. cooling the Fe-Si-B alloy melt subjected to superheating treatment to the set melt temperature, and quickly setting to obtain the solid amorphous alloy. The technique can enhance morphous forming ability of lloy melt and lower morphous solid alloy preparation difficulty by utilizing the viscous characteristic of the superheating treatment on the premise of not changing lloy composition and quick setting technological conditions. The technique has dvantages of low implementation cost, high efficiency, high controllability, high repetitiveness, high technical reliability and the like, and can be widely used in the technical field of metal functional material preparation.

The invention discloses a rigid grid and pile composite foundation and a method applied to reinforcing soft soil foundation. The rigid grid and pile composite foundation comprises a precast pile or a cast-in-situ pile, a rigid grid structure, a tensioning net, tensioning ribs and a transitional underlayer; the precast pile or the cast-in-situ pile drives to a relatively hard ground layer from a foundation surface layer; the rigid grid structure is fixedly connected with the precast pile; the grid structure is paved with the tensioning net; the tensioning net is provided with the transitional underlayer; the transitional underlayer is tightly contacted with the foundation surface, and the thickness of the transitional underlayer is between 0.6 and 1.5 meters; and the transitional underlayer is sandy clay, gravel soil or plain concrete with crude particles. The invention organically combines the rigid grid and the pile structure, the transitional underlayer and a soft ground layer to construct a composite foundation, transfers the load to a deep layer soil body through the grid structure and a pile, can give a full play to the strength and the deformation performance of the deep layer soil body, thereby effectively improving the foundation strength and the deformation performance, and having good reinforcing effect.

The invention relates to a statistical principle and programmable logic controller (PLC) technology-based method for measuring and calculating discharge amount of a tobacco shred storage cabinet. The method comprises the following steps of: 1) acquiring a plurality of groups of field bottom belt running experimental data to acquire multiple groups of data of bottom belt frequency converter running frequency and bottom belt running speed, and obtaining an equation f(x)=ax+b based on statistical regressive analysis; 2) performing definite integration on the f(x) by using a PLC cyclic interrupt function block so as to obtain the running length of the bottom belt after multiple times of start and stop; 3) calculating the discharge amount of the shred storage cabinet through a function block (FB) in the PLC by using a formula 'shred storage cabinet discharge amount = bottom belt discharge length * cabinet feeding quantity/distribution length during feeding the cabinet'; and 4) performing high and low speed conversion of stub bar/tail during discharging of the shred storage cabinet in the FB of the PLC by using the real-time discharge length of the bottom belt, performing tail stop and starting related control in advance in the next cabinet. Any hardware detection equipment of the storage cabinet is not needed, many disadvantages and measurement errors caused by detection elements are solved, the accuracy of a system is improved, and the cost is reduced.

The invention relates to a technology method for increasing the thickness of an amorphous alloy strip. The technology method is characterized by specifically comprising the steps that firstly, an incidence relation of overheat circulation treatment and alloy melt viscosity reduction is established; secondly, the overheat circulation treatment temperature capable of reducing the alloy melt viscosity to the maximum degree is selected, and heat treatment is conducted; and thirdly, the temperature of the alloy melt obtained after overheat treatment is reduced to the set casting temperature, and the amorphous solid alloy thin strip is obtained through rapid solidification. According to the technology method, under the situation that the alloy components and the rapid solidification technology conditions are not changed, the thickness of the amorphous alloy strip is increased through the technology method for reducing the alloy melt viscosity through overheat treatment, and the preparing difficulty for the amorphous alloy thick strip is lowered. The technology method has the beneficial effects that the implementation cost is low, efficiency is high, operability and repeatability are high, and the technology reliability is high, and the technology method is suitable for being widely applied to the technical field of metal functional material preparing.

The invention relates to an elevated passenger railway with parallel elevated road upper and lower lanes respectively arranged at both sides of a line, belonging to the technical field of railway and road construction and solving the problems that a permeation ground environment under a traditional passenger railway elevated is not utilized, a city circle does not simultaneously satisfy a public traffic road mode and road network which has high speed, large rated passenger capacity, convenience of transfer and good accessibility and can keep permeation of the ground, and the number of cars on the road is large to cause urban traffic congestion. Based on the technical scheme, the upper and lower lanes of a parallel elevated road are respectively arranged at both sides of an elevated passenger railway line and a passenger station at a short range, a passenger can transfer between a highway and a railway at a same station, forwards and reversely transfer at the short distance, and the parallel elevated road can fulfill the functions of blocking, absorbing and scattering railway noises. The invention has the purposes that a highway and a railway are parallel matched for complementing in actions to enable a region along the elevated passenger railway line to form an urban region which is beneficial to business enterprise development and has relatively balanced working places and resident places, large scale and high population, and solves the problem of urban traffic congestion considered from the whole city circle construction.

The invention discloses a technology and a device for zero-drainage of desulfurization wastewater. The technology comprises the following steps of (1) sending the desulfurization wastewater and alkaline liquid to the top part of a deamination tower, sending an aeration fan into the deamination tower via the bottom part, and enabling the aeration fan to be in reverse contact with the desulfurization wastewater; (2) sending the ammonia-containing air after blowing into a deamination reactor, performing deamination, and sending into a deduster; sequentially sending the wastewater after deamination into an ultrafiltration device and a reverse osmosis device, recycling the fresh water of the reverse osmosis device, and sending the concentrated water into a spray-drying tower; leading the dedusted flue gas by the deduster into the spray-drying tower to exchange heat, enabling the dried crystal particles to fall into an ash hopper, and sending the flue gas after heat exchange into the deamination reactor. The technology has the advantages that the wet type desulfurization wastewater is performed with ammonia-nitrogen removal and recycling, wastewater concentration, spray-drying, evaporating and crystallizing, so as to complete the zero-drainage of the desulfurization wastewater; while the running reliability of the treatment device is improved, the recycling rate of the wastewater isimproved and the cycling utilization of the ammonia-nitrogen is realized, the investment running cost of the device for the zero-drainage of desulfurization wastewater is greatly reduced.

The invention discloses a method for regulating and controlling an amorphous alloy microstructure. The method comprises any one or a combination of the following modes that (1), alloy melt heat treatment temperature in the preparation process of an amorphous alloy/ a nanocrystalline amorphous precursor alloy is adjusted; (2), alloy melt heat treatment time in the preparation process of the amorphous alloy/ the nanocrystalline amorphous precursor alloy is adjusted; (3), casting temperature of the alloy melt generated when the melt is cast to a cooling roller in the preparation process of the amorphous alloy/ the nanocrystalline amorphous precursor alloy is adjusted; (4), temperature of cooling water in the preparation process of the amorphous alloy/ the nanocrystalline amorphous precursor alloy is adjusted, and the cooling water is used for changing the cooling capacity of the cooling roller to the alloy melt; (5), the prepared strip thickness of the amorphous alloy/ the nanocrystallineamorphous precursor alloy is adjusted; and (6), the amorphous alloy/ the nanocrystalline amorphous precursor alloy in quenching state is subjected to low-temperature relaxation heat treatment. The method is high in efficiency, low in cost and high in controllability.

A turbine rotor has a row of turbine blades associated with a circumferential groove in a disk, each turbine blade having foot received in the groove, a blade profile above the foot, and a shroud plate above the profile. Each blade foot and each shroud plate have end surfaces and side surfaces which form a rhomboid, the end surfaces of each shroud plate tapering toward each other along respective radii and abutting the end surfaces of adjacent shroud plates to form a closed ring. The blade profiles are torsionally stressed by applying a force to each plate in a direction parallel to the axis of the disk, thereby twisting the cover plates through an angle alpha so that the side surfaces of adjacent cover plates are circumferentially aligned in a plane perpendicular to the longitudinal axis. This force is maintained by clamping devices applied to the combs of adjacent blades.

The invention discloses a method for online detection of a high impedance grounding fault of a distributing line and belongs to the field of electric power system protection and control. According to the method, the zero-sequence voltage waveform within two to three periods after the high impedance grounding fault occurs is detected, the harmonic frequency spectrum of the waveform contains the fault information of high impedance grounding, and the method can be used for online detection of the high impedance grounding fault. The method comprises the steps of acquiring the zero-sequence voltage harmonic wave of the secondary side feeder line of a transformer, determining the fault feature harmonic frequency (between 1000 Hz and 5000 Hz usually) according to the topological structure of the line, and judging whether the high impedance grounding fault occurs on the line by detecting the amplitude and frequency of the harmonic wave. The method is especially suitable for small current grounding systems not over 10kV, and only zero-sequence voltage signal acquisition and analysis are needed. Compared with existing judging methods, the method has the advantages that information acquisition can be conducted more conveniently, sensitivity is higher, the high impedance grounding fault can be effectively distinguished from other working conditions and fault types, the occurrence of miss trip and incorrect trip is reduced, and identification is more accurate.

A heart valve prosthesis of any type, with internal microelectronic circuit for monitoring the movement of the valve leaflets or of the movable opening and closing elements of said heart valve prosthesis, and external electronic system for telemetric monitoring of such a sensorized heart valve prosthesis, characterized in that said heart valve prosthesis comprises two or more electrodes set in the annular base body of the prosthesis itself, and comprises an internal microelectronic circuit, which is connected to electric power supply means, is equipped with means for generating, between said electrodes, an electrical field, the field lines of which are oriented so as to interfere with the opening and closing movement of the movable elements of said heart valve prosthesis or of the natural leaflets of the heart valve on which said prosthesis will be mounted, and is equipped with or connected to means for detecting the variations of said electrical field produced by the cyclic movement of opening or closing of said leaflets or of said movable elements, which will be expressed as variations of intravalvular electrical impedance and characterized in that it comprises, implanted, a transceiver unit with corresponding antenna for telemetric transmission of the data correlated to said variations of intravalvular electrical impedance, to an external unit that processes the collected data and uses them at least for purposes of diagnosis and prevention.

The invention discloses a side baffle for an automobile. A steel plate spring is arranged on the inner side of a frame girder. A gap is formed between the steel plate spring and the frame girder. Side baffle bodies are arranged on the frame girder. The side baffle bodies achieve a spacing effect in the gap. The side baffle bodies are molded by casting of mc nylon. The side baffle bodies have variable cross sections, the lower portion of the side baffle bodies are of a wedge-shaped structure, the thickness of a board attached to the assembly face of the frame girder ranges from 30 mm to 35 mm, the thickness of a board at the lower portion protection position of the frame girder ranges from 20 mm to 25 mm, circular arc transition is adopted, and a 45-degree wedge-shaped angle is formed by the lower portion relative to one side of a frame. The total length of the side baffle bodies is 300 mm, the width of the side baffle bodies is 95 mm, the thickness of the board at the lower portion protection position of the frame girder is 25 mm, and the length of the board is 170 mm. The weight of the side baffle is reduced by more than 80% compared with that of a metal side baffle, the forming process is simple, the coating procedure can be omitted, and cost is lower. The wedge-shaped structure in the variable cross-section design is adopted, and on the premise that the assembly gap and part rigidity are guaranteed, the weight of the parts is further reduced, and material consumption is further reduced.

The invention discloses a heavy-media dry-method separator with a vibration discharge function, and belongs to the field of separating equipment. In the structure of the separator: the front end of a box frame is equipped with a raw material entrance, and the rear end of the box frame is equipped with a light product discharge port and a heavy product discharge port; the box frame is internally equipped with a gas distributor, the front end of the gas distributor is correspondingly arranged below the raw material entrance on the box frame, and the rear end of the gas distributor is connected with the heavy product discharge port; the bottom of the box frame, from top to bottom, is sequentially equipped with a separating air chamber and discharging air chambers which are connected with the bottom of the gas distributor; a layer of medium draining screen plate is arranged above the gas distributor, the medium draining screen plate is shorter than the gas distributor, the front end of the medium draining screen plate is equipped with a kick-off wheel, the kick-off wheel and the front end of the medium draining screen plate are positioned in the back of the raw material entrance on the box frame, and the rear end of the medium draining screen plate is connected with the light product discharge port of the box frame; and the box frame is further equipped with a vibrator which can drive the gas distributor and the medium draining screen plate in the box frame to vibrate. The heavy-media dry separator has the advantages of simple structure, high separating efficiency, small heavy medium circulation quantity and good running stability.

The invention discloses a method for adjusting the microstructure of amorphous solid alloy by utilizing the configuration and number of melt atomic clusters. The method comprises the following steps:carrying out analog calculation on the configuration and number of the atomic clusters in alloy melt, to be specific, according to the components of to-be-prepared alloy, calculating the configurationand number of atomic clusters in the alloy melt at different temperatures, and obtaining a calculating result that the configuration and number of the atomic clusters vary with the temperatures; carrying out superheat treatment on the alloy melt, to be specific, choosing required configuration and number of the atom clusters according to the calculating result, determining that the temperature corresponding to the chosen configuration and number of the atomic clusters is the superheat treatment temperature of the alloy melt, and carrying out heat preservation on the alloy melt at the superheat treatment temperature so as to obtain the superheat-treated alloy melt; and carrying out rapid solidification, to be specific, carrying out rapid solidification on the superheat-treated alloy melt to obtain the amorphous solid alloy. The invention creates a novel scheme for the controllable preparation of the microstructure of the amorphous solid alloy.

The invention provides a thermoacoustic driven magnetic refrigeration system. A first thermoacoustic engine and a second thermoacoustic engine that are oppositely arranged communicate with each otherthrough two parallel first U-shaped tubes and second U-shaped tubes; a thermomagnetic conversion subsystem comprises a water cooler, a thermomagnetic material module and a hot end heat exchanger whichare arranged along the first U-shaped tubes; a magnetocaloric conversion subsystem comprises a water cooler, a magnetocaloric material module and a cold end heat exchanger which are arranged along the second U-shaped tubes, and the thermomagnetic material module is connected with the magnetocaloric material module by a magnetic circuit. The above thermoacoustic drive magnetic refrigeration systemuses a thermoacoustic engine to drive the heat exchange between a liquid heat exchange medium and a thermomagnetic material, and the heat exchange between the liquid heat exchange medium and a magnetocaloric material, the periodic "on" and "off" of a magnetic circuit is realized by the phase change of the thermomagnetic material around a Curie temperature, so that the magnetocaloric material is periodically magnetized and demagnetized, and then magnetic refrigeration is realized. The above thermoacoustic drive magnetic refrigeration system has no mechanical moving parts at all, a heat exchange structure is simple, the technical reliability is high, and thermally driven refrigeration is realized.

The invention discloses a regulation method of an amorphous alloy average atomic cluster size. The regulation method of the amorphous alloy average atomic cluster size comprises the steps that amorphous alloy fused mass average atomic cluster size is calculated, specifically, the average atomic cluster sizes of amorphous alloy fused mass are calculated under different temperatures, the calculationresults of the average atomic cluster size changed with the temperature are acquired; super heating treatment is conducted on the alloy fused mass, specifically, the needed average atomic cluster size is chosen according to the calculation results, the temperature corresponding to the chosen average atomic cluster size is determined to be the super heating treatment temperature of the alloy fusedmass, heat preservation is conducted on the alloy fused mass under the super heating treatment temperature, and the alloy fused mass after the super heating treatment is acquired; and rapid solidification is conducted, specifically, the rapid solidification is conducted on the amorphous alloy fused mass after the super heating treatment, and an amorphous solid alloy is acquired. According to theregulation method of the amorphous alloy average atomic cluster size, a novel concept and a novel method of designing and preparation of an amorphous alloy microstructure are initiated, and the regulation method of the amorphous alloy average atomic cluster size has the characteristics of simpleness, convenience, high efficiency, low cost, high technology reliability and the like.

The invention discloses a gear-driven large-span normal-conducting high-speed magnetic levitation bridge parting and rail surface smoothness improving structure which comprises a parting bearing beam, a span beam seam beam unit and N-1 parting beam units. The parting beam units are slidably supported on the upper surface of the parting bearing beam and one side of the span beam seam beam unit to form N parting beam seams; a push-pull rod is longitudinally arranged on the parting bearing beam in a sliding mode, one end of the push-pull rod extends out to be hinged to the beam end of the first bridge, racks are arranged on the opposite faces of the push-pull rod and the N-1 parting beam units, and N-1 gear sets are correspondingly arranged between the upper rack and the lower rack. A gear mechanical device is adopted for driving to automatically convert a large expansion amount into a plurality of equal small expansion amounts, so that the beam seam gap variation is reduced, and the irregularity of a beam end corner bulge is reduced, which plays a very important role in improving the running of a normal-conducting high-speed maglev train.