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40results about How to "No radiation pollution" patented technology
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Method used for detecting liquid level of liquid steel and protecting thickness of slag layer of slag liquid in crystallizer
ActiveCN104439142ARealize real-time dynamic monitoringNo radiation pollutionCasting parameters measurement/indication devicesHeat flowFrequency spectrum
The invention relates to a method used for detecting the liquid level of liquid steel and protecting the thickness of a slag layer of slag liquid in a crystallizer and belongs to the technical field of continuous casting of metal. A crystallizer wall inner temperature measuring / collecting module, an anti-inference method calculation heat flow density module, a heat flow density spectral analysis module and an interface recognition module are involved in the method. The modules are connected in series. By means of the function of the modules and information flow exchange among the modules, the position of the liquid steel and the position of the liquid slag layer are determined, and therefore the liquid level of the liquid steel and the thickness of the liquid slag layer are detected. As the new detection principle is adopted, the method has the advantages that radiation pollution is avoided, use is safe and reliable, the maintenance property of equipment is good, labor intensity is low, the method is simple and easy to implement, adjusting is convenient, the response speed is high, the capacity of resisting disturbance is high, and control precision is high. The method has high industrial application value, and the liquid level of the liquid steel and the thickness of the liquid slag layer in the crystallizer can be monitored in real time.
Owner:CENT SOUTH UNIV
Object interior information nondestructive detection system abased on ultral wideband (UWB) and method thereof
InactiveCN102384766AStrong penetrating powerThe signal carries a large amount of informationForce measurementThermometers using physical/chemical changesRotary stageUltra-wideband
The invention discloses an object interior information nondestructive detection system abased on ultral wideband (UWB) and a method thereof. The system comprises: a data processing module, an emission control module, a rotating table control module, a storage module, an UWB receiving module, an UWB emission module, a display module, an input module and a liftable rotating table. The UWB receiving module, the storage module, the control module, the display module and the input module are respectively connected with the data processing module. The UWB emission module is connected with the emission control module. The liftable rotating table is connected with the rotating table control module. An UWB impulse detection mode is used as a detection method. An UWB antenna array is used to detect a position of the object to be detected. According to a received direct wave of the UWB impulse and a reflection wave signal, a plurality of information in the object to be detected is detected. The system of the invention is simple. Costs are low and operation is convenient and safe. A detection process possesses no radiation pollution. Anti-interference performance is good. A detection speed is fast and detection accuracy is high.
Owner:SOUTH CHINA UNIV OF TECH
Method and special equipment for preparing granular silicon belt
InactiveCN1469495AFlat surfaceReduce manufacturing costFinal product manufactureSemiconductor devicesSolar cellChemical stability
The present invention is the method and special equipment for preparing granular silicon belt capable of being used as the substrate material of polysilicon film solar cell. The technological process includes making silicon powder spread on quartz plate or graphite plate pass through preheating area, linear focusing heating area and natural cooling area successively. The linear focusing heatingarea is one optical heating area comprising two halogen tungsten lamp assemblies with optical linear focusing reflector on the upper and the lower sides separately. In the linear focusing heating area silicon powder layer is zone molten and the molten silicon solution flows into the gaps between silicon powder grains to form so-called granular silicon belt after being cooled. The granular silicon belt has molten crystallized surface with certain mechanical strength and chemical stability and low cost and is suitable for use as the substrate material of solar cell.
Owner:SUN YAT SEN UNIV
Device and method for treating seed
InactiveCN101438677AImprove germination rateActivate the growth mechanismSeed and root treatmentPlant phenotype modificationAfter treatmentMicrowave
The invention discloses a seed treatment device and a seed treatment method. The seed treatment device comprises a microwave generator 1, a converter 2 and a seed treatment cavity 4. The microwave generator 1 can generate the microwave with the frequency ranging from hundreds of megahertz to a plurality of GHz and the power ranging from hundreds of watt to scores of kilowatt; the converter 2 consists of a plurality of to scores of layers of non-ferromagnetic metal conducting meshes; the treatment cavity 4 is a closed cavity with a shell made of a ferromagnetic material, and a rotatable or movable object laying disc 3 is arranged in the cavity. The seed treatment method comprises the following steps: (1) laying the seeds to be treated on the object laying disc 3; and (2) starting the microwave generator 1 to treat the seeds on the object laying disc 3 by particulate flow radiation for once or more times. The device has the advantages of simple structure, low cost, convenient use, strong treatment capacity, no radiation pollution and no need for special protection. The germination rate, the yield of crops and anti-lodging ability can be improved after treatment of the seeds.
Owner:上海谷皇粒子流科技有限公司
Color temperature adjustable integrated high power LED medical lighting system
InactiveCN101761789AObserve clearlyImproving the Quality of Medical LightingPoint-like light sourceElectric circuit arrangementsConvertersEngineering
The invention discloses a color temperature adjustable integrated high power LED medical lighting system that can be used for surgical lighting, check lighting and surgical indoor overall lighting. The lighting system comprises a color temperature adjustable integrated high power LED chip, optical components, a radiator, a shell, an LED drive controller, a color temperature and brightness regulator, a power converter and a connecting cable, wherein the color temperature adjustable integrated high power LED chip is fixed on the radiator; the radiator is fixedly connected with the shell; the optical components are installed on the shell; one end of the connecting cable is connected to the color temperature adjustable integrated high power LED chip, and the other end is connected to the LED drive controller; the color temperature and brightness regulator and the power converter are connected to the LED drive controller. The optical components in front of the color temperature adjustable integrated high power LED chip not only can be the combination of a paraboloid reflecting cup and a diffuse reflection transmitting film, but also can be the combination of lens groups. The invention is suitable for medical lighting and can improve medical lighting quality.
Owner:重庆邦桥科技有限公司
Stone-imitated finishing material of building wall body and construction method of finishing layer
InactiveCN102953504ANo radiation pollutionImprove stress resistanceCovering/liningsNatural resourceWire gauze
The invention discloses a stone-imitated finishing material of a building wall body and a construction method of the finishing material. The stone-imitated finishing material comprises the wall body; an interface layer is covered on the surface of the wall body; a layer of steel wire gauze is covered on the outer surface of the interface layer; a stone-imitated material layer is covered on the outer surface of the steel wire gauze; and a hydrophobic layer is coated on the outer surface of the stone-imitated material layer. Through the method provided by the invention, the stone-imitated finishing material has the advantages of low cost, high construction speed, easiness in maintenance, long service life and the like. The stone-imitated finishing material is compounded by renewable resources, can effectively replace natural stones so as to alleviate pollution and damage on natural resources caused by exploitation of the natural stones, also does not cause radiation pollution like the natural stones do, is lower than the natural stones in cost by more than 70%, can overcome the limitation that dry-hang flat plate stone materials can not be used for high-rise decoration, can achieve a stone material decoration effect on buildings with any height, and can greatly lower transportation costs and investment of capital construction.
Owner:钟兵
Stone-imitated composition
The invention provides a stone-imitated composition. The composition comprises the following raw materials in parts by weight: 100 parts of white cement, 58 to 70 parts of epoxy resin, 35 to 45 parts of acetone, 20 to 26 parts of emulsion acrylic resin, 1 to 2 parts of aluminite powder, 20 to 25 parts of inorganic pigment, 10 to 30 parts of colored silica sand, 10 to 20 parts of natural granite particles, 0.5 to 1.5 parts of cobaltous sulfate, 0.3 to 0.5 part of water reducer, and 50 to 60 parts of water. The stone-imitated layer manufactured by the method has the advantages of good stone texture, light weight, high compression and tensile strengths, good weather resistance and over 70 years of service life; and a permanent waterproof film is formed on the surface of the stone-imitated composition, so that the applied part is not expanded or deformed to play effects of proofing water and freezing and preventing falling. The problems of high cost, high wall load, more labor consumption and the like in conventional stone-imitated manufacture can be improved, so that the stone-imitated composition has great economic and social benefits.
Owner:钟兵
Liquid granite coating
InactiveCN102786827AIncreased durabilityImprove the decorative effectMulticolor effect coatingsAdhesiveAqueous solution
The invention discloses a liquid granite coating which is an aqueous polyphase suspension system coating. The liquid granite coating is prepared by treating a latex coating as a dispersion phase and an aqueous solution of a protection adhesive as a continuous phase, granulating according to the color and the shape of natural granite, mixing prepared monochromatic granules according to a certain ratio on the basis of the distribution, and the arrangement and combination rules of the color bars, the color spots and the color blocks of the natural granite, and stirring and mixing through adopting the mixed colorized granules as the dispersion phase and a film forming substance as the continuous phase.
Owner:施加强
Nuclear power plant large shielded main pump lower portion C-ring cutting device
PendingCN110181379AEasy to cutImprove cutting accuracyGrinding machinesGrinding/polishing safety devicesForeign matterAngle grinder
The invention relates to a nuclear power plant large shielded main pump lower portion C-ring cutting device, and belongs to the technical field of maintenance of a nuclear power plant large shielded main pump. The device comprises a wall mounting assembly and a cutting assembly; the wall mounting assembly comprises a pressing plate and a wall hanging body; the pressing plate is fixed to the end surface of a lower end cover of the main pump, a gap is reserved between the pressing plate and the lower end cover of the main pump, and therefore a tongue portion of the wall hanging body can slide inthe gap; the cutting assembly includes an angle grinder head, a transmission mechanism and a cutting mechanism; the lower portion of the wall hanging body is connected to the angle grinder head, andthe angle grinder head is connected to the cutting mechanism extending into a space where a C ring of the main pump is located through the transmission mechanism. The nuclear power plant large shielded main pump lower portion C-ring cutting device is suitable for a narrow and deep cutting environment, can conduct online cutting, is high in efficiency, controllable in precision, smooth in cutting slit and controllable in foreign matter, and does not cause air radiation pollution.
Owner:SANMEN NUCLEAR POWER CO LTD
High-frequency brazing machine
ActiveCN104174960AImprove qualityReduce precisionHeating appliancesSoldering auxillary devicesEddy currentEngineering
The invention discloses a high-frequency brazing machine which comprises a worktable, a vacuum system component and a cooling component. A welding work box, a high-frequency generator, a programmed control device and a temperature detection component are arranged on the worktable, a work fixture and a high-frequency magnetic bar coil are arranged in the welding work box, the work fixture fixes a workpiece to be welded, a pneumatic drive workpiece is arranged at one end of the welding work box and connected with the work fixture and drives the work fixture to run, and the programmed control device is connected with the vacuum system component, the pneumatic drive workpiece, the high-frequency generator, the cooling component and the temperature detection component. By the mode, the high-frequency brazing machine realizes brazing by the aid of eddy current, safety can be guaranteed, and the high-frequency brazing machine is low in risk and cost, high in efficiency and fine in welding performance.
Owner:CHANGSHU JUNCHI SCI & TECH
Longitudinal tear detection method and alarm device for capacitive rubber belt conveyer
InactiveCN104590853ASimple structureLow costConveyorsControl devices for conveyorsCapacitanceForeign matter
The invention provides a longitudinal tear detection alarm device for a capacitive rubber belt conveyer. One group of bilaterally-symmetrical and equal planar capacitive sensor 2 and planar capacitive sensor 3 are arranged below a rubber belt 1, and are connected to a capacitance detection circuit to perform capacitance detection on a rubber belt serving as a medium; the capacitance detection circuit is used for converting a detected capacitance value into a voltage signal, and is then used for connecting a high-accuracy rectifying circuit, a differential amplifier circuit and an A / D (Analog to Digital) conversion circuit to a single-chip microcomputer in sequence respectively; the single-chip microcomputer is used for performing data processing on the received signal; when the rubber belt is damaged by foreign matters or is torn, the signal changes over a threshold value, and the single-chip microcomputer outputs an alarm. The longitudinal tear detection alarm device is simple in structure, is convenient for installation and construction, is low in cost, is resistant to interference, and is suitable for ordinary rubber conveying belts and steel wire rope core conveying belts. Surface damage and tear of the rubber belt can be detected and alarmed in time, so that the expansion of accidents is prevented.
Owner:伦长兴
Disassembling device and disassembling process for large-sized shielding main pump in radioactive environment
ActiveCN111649007APrevent splashAvoid incomplete drilling of locking pinsPump componentsGrinding machinesImpellerNuclear power
The invention discloses a disassembling device and a disassembling process for a large-sized shielding main pump in a radioactive environment, and belongs to the technical field of nuclear power station large-sized shielding main pump maintenance. The disassembling device comprises an impeller nut locking pin dismounting assembly, a C-shaped ring cutting assembly and a lower radial bearing dismounting and rotor core-pulling assembly, and the impeller nut locking pin dismounting assembly comprises an upper plate, a lower plate, a connecting screw, a double-end lead screw, a fixing nut and an adjusting nut; the C-shaped ring cutting assembly comprises a wall-mounted assembly and a cutting assembly; the wall-mounted assembly comprises a pressing plate and a wall-mounted main body; the lower radial bearing dismounting and rotor core-pulling assembly comprises a foundation plate, a foundation plate support used for connecting the foundation plate and a pump body, a double-end lead screw used for connecting the foundation plate and a lower radial bearing, a nut connected to the double-end lead screw and a lifting lug arranged on the foundation plate, a rotor supporting tool and a cushionblock which are used for connecting the foundation plate and a pump shaft, and a main bolt used for connecting the foundation plate and the pump body. The disassembling method is easy to operate, anddisassembling of the large-sized shielding main pump can be completed safely and efficiently.
Owner:SANMEN NUCLEAR POWER CO LTD
Crossing traffic flow monitoring system
InactiveCN109785627AEasy to installNo radiation pollutionDetection of traffic movementTraffic capacityAnalysis data
The invention discloses a crossing traffic flow monitoring system which relates to the field of traffic flow monitoring. The crossing traffic flow monitoring system comprises a pressure sensor, a monitoring device, an A / D signal converter and a microprocessor. The pressure sensor is arranged at an area below a crossing channel and is used for monitoring the number of vehicles on the road. The pressure sensor transmits one signal to a roadside monitoring device when the pressure sensor is pressed once. When the monitoring device receives two signals, the monitoring device adds one to the numberof passing vehicles and simultaneously updates the number of passing vehicles in other lanes. The monitoring device transmits all monitored data to a background server. The background server performsposition-specified and position-specified storage and analysis on data, performs road condition analysis and predication on each road segment based on existing data through a fuzzy calculating method, and transmits analysis data to a traffic center. The crossing traffic monitoring system can supply pollution-free traffic flow detection and furthermore performs fuzzy calculation processing on themeasured traffic flow, thereby preventing a traffic jam.
Owner:魏一凡
Granite simulation internal and external wall paint and preparing method
The present invention provides granite simulating internal and external wall paint and its preparation process, and solves the technological problems of providing granite simulating internal and external wall paint with appearance similar to granite, high hardness, high wear resistance and low cost. The technological scheme is that the granite simulating internal and external wall paint consists of cement, 500 mesh marble powders, PVA building glue and pigment, and is prepared through mixing to form slurry, spraying slurry, drying and spraying transparent resin. The granite simulating internal and external wall paint is suitable for use in building industry.
Owner:王集锐
Efficient LED overwater attracting fish lamp
InactiveCN103939803AFully exportedLower junction temperatureLighting applicationsPoint-like light sourceRubber ringEngineering
The invention relates to fish catching assistant equipment and discloses an efficient LED overwater attracting fish lamp structure. The efficient LED overwater attracting fish lamp structure comprises a plurality of split independent structures and a hollow-net-shaped outer frame used for fixing the split independent structures, wherein the split independent structures are the same. Each split independent structure comprises organic tempered glass, an anti-vulcanized rubber ring and a metal shell. An LED light source, a heat sink, a hollow copper heat radiator, an LED optical lens and a wire are arranged in each metal shell, wherein the heat sink is used for bearing the LED light source, the hollow copper heat radiator is arranged below the heat sink, the LED optical lens is arranged on the LED light source, and the wire enables a positive electrode and a negative electrode of the LED light source to be connected with a positive electrode and a negative electrode of an external circuit.
Owner:厦门多彩光电子科技有限公司
Radio frequency identification monitoring device for valuables
InactiveCN101576962ASolve the disadvantages of error-prone managementReduce labor intensityCo-operative working arrangementsSensing record carriersRadio frequencyControl circuit
The invention relates to a radio frequency identification monitoring device for valuables, which comprises a hardware part and a software part, wherein the hardware part comprises a radio frequency electronic label and a monitor, the monitor is internally provided with an induction antenna, an embedded processor, a data identifying and reading circuit, a data storage and communication circuit, a clock circuit, an audible-visual alarm and a power control circuit board. The radio frequency electronic label is embedded at the bottom of the valuables, the induction antenna is connected to the embedded processor through an identifying and reading module, and the data storage and communication circuit, the clock circuit and the audible-visual alarm are respectively connected to the embedded processor through data address lines. The device has scientific, reasonable and creative design, strong practicability and wide application range. The device has the advantages that due to the adoption of the radio frequency identification technology, the automatic identification and the real-time monitoring management to the valuables can be realized, an alarm is made in time to illegal taking or state abnormality to prevent the valuables from being stolen and lost, therefore, the device has good application prospect.
Owner:SHENYANG LIGONG UNIV
Online density analyzing instrument
InactiveCN102393346ANo radiation pollutionEasy to operateSpecific gravity measurementElectricityDisplay device
The invention discloses a online density and concentration analyzing instrument comprising a sensor measuring device and a processing-displaying device, wherein the sensor measuring device comprises a first pressure difference sensing membrane, a second pressure difference sensing membrane, a sensor, a first ultrasonic wave probe and a second ultrasonic wave probe; the first pressure difference membrane is installed on a first membrane flange which is connected with a first butting flange, the second pressure difference sensing membrane is installed on a second membrane flange which is connected with a second butting flange; the first pressure difference sensing membrane is coupled with the sensor, and the second pressure difference sensing membrane is coupled with the sensor by a capillary tube; the processing-displaying device comprises a processor and a displayer which are electrically connected with each other; and the sensor, the first ultrasonic wave probe and the second ultrasonic wave probe are all connected with the processor by a cable. The analyzing instrument does not have radiation pollution, is safe and reliable, convenient to install and operate, and high in measuring precision.
Owner:田志刚
Color-temperature-adjustable integrated large-power LED medical illumination chip
InactiveCN105485566AObserve clearlyImproving the Quality of Medical LightingPoint-like light sourceElectric circuit arrangementsEngineeringEXAMINATION ROOM
An integrated large-power LED medical illumination chip can be used for medical operation illumination, medical examination illumination as well as integral illumination in an operation room as a color-temperature-adjustable light source. The integrated large-power LED medical illumination chip mainly comprises LED tube cores, a base plate, a heat dissipating plate, a power supply adapting wire and an LED driving controller. Different colors of LED tube cores are integrated on the base plate of a circuit board according to a certain array, and the base plate is connected to the heat dissipating plate. The LED tube cores in the integrated chip are separated into multiple groups according to colors and separately powered. The brightness of the LED tube cores with various colors can be independently regulated. Through regulating the color mixing ratio of different colors of LED tube core strings, the integrated large-power LED chip can be regulated to have any color temperature and brightness in a range of 3500K to 6500K. The integrated large-power LED medical illumination chip can be used for illumination in environments with special color temperature requirements, such as the operation room and an examination room, is particularly suitable for medical illumination and the like, and is favorable to improving medical illumination quality and reducing medical accidents.
Owner:CHONGQING SHOUJIAN PHARMA PACKAGING
Time resolution immunity fluorescence kit for detecting content of beta-hCG as well as preparation method and application thereof
InactiveCN104181310AImprove quality controlSave labor costDisease diagnosisBiological testingMedicineMonoclonal antibody
The invention discloses a time resolution immunity fluorescence kit for detecting the content of beta-hCG. The time resolution immunity fluorescence kit comprises a box body and a box cover which is arranged above the box body, wherein a separation layer which is used for placing an elisa plate coated by a beta-hCG monoclonal antibody is arranged in the box body; vessel holes for arranging reagent bottles are formed in the box body, and in the vessel holes, a reagent bottle with analysis solution, a reagent bottle with a cleaning solution, a reagent bottle with an enhanced solution, a reagent bottle with a beta-hCG correction product and a reagent bottle with a labeled anti-alpha-TSH monoclonal antibody are placed. In addition, the invention also discloses a preparation method of the kit and application of the kit in detecting the content of beta-hCG. The kit is high in sensitivity, wide in detection range and good in stability. The time resolution immunity fluorescence kit can be full-automatically operated by utilizing a full-automatic time resolution fluorescent immunity analyzer and is simple and time-saving to operate and high in sensitivity reaching up to 0.01mIU / ml, good in accuracy and free from radiation pollution.
Owner:ABBOTT DIAGNOSTICS (SHANGHAI) CO LTD
Granite imitating paint and its prepn process and imitation granite making process
InactiveCN1331967CUniform and long-lasting colorStrong cleaning and antifouling abilityCoatingsAcrylic acidCement
Owner:刘庆宁
Mobile LED operating shadowless lamp
InactiveCN101532607BGuaranteed clarityImprove lighting effectsPoint-like light sourceLighting carried on wheel supportsElectricityStandby power
The invention discloses a mobile LED operating shadowless lamp with an adjustable switch disposed on a traversing carriage, and an optical collector secured on an arm extended transversely on the traversing carriage, where the optical collector consists of a focuser with a handle and a lamp panel with a bottom as a spherical surface concave downwards and plural radiating seats equipped with batteries of lens distributed thereon, where at least three lamp panels are distributed with equal interval around the focuser, to be hinged with the same through a hinge; an LED drive controller is secured on the radiating seat, a power converter and a standby power are connected with the input end of a power switcher, while the output end of the power switcher is connected with the LED driver controller and the adjustable switch connected with the LED drive controller in parallel; the LED drive controller are connected with plural high-power LED chips in parallel electrically. The invention is advanced with adjustable brightness, super long service life, safe utilization, and uniform luminous spot, which can improve illumination quality and reduce medical negligence.
Owner:重庆邦桥科技有限公司
Time-resolved fluoroimmunoassy test strip used for quantitative determination of soluble growth stimulation gene-2 (sST2), and preparation method thereof
InactiveCN106771126ARealize quantitative detection of single servingHigh sensitivityBiological testingAssayQuantitative determination
The invention discloses a time-resolved fluoroimmunoassy test strip used for quantitative determination of sST2, and a preparation method thereof. The time-resolved fluoroimmunoassy test strip used for quantitative determination of sST2 comprises a base plate; a sample pad, a conjugate pad, a coating membrane, and an absorbent paper are arranged on the base plate in a staggered manner; the coating membrane is arranged on the middle part of the base plate; the upper end of one side edge of the coating membrane is covered by the conjugate pad, and the upper end of the other side edge is covered by the absorbent paper; and the edge of one side, far from the coating membrane, of the conjugated pad is covered by the sample pad. Compared with the prior art, the time-resolved fluoroimmunoassy test strip possesses following advantages: time-resolved fluoroimmunoassy is introduced into detection of soluble growth stimulation expressed gene 2 (sST2), quantitative determination of single portion sST2 is realized via combination with a time resolved fluorescence detector, sensitivity is high, intra-assay and inter-assay difference is low, great convenience is provided for clinical application, operation of the preparation method is simple, the preparation method is suitable for large scale production, and the preparation method possesses active significance in quantitative determination of sST2.
Owner:天津欧尔克医药科技有限公司
Wall stone material for chicken farms
The invention discloses a wall stone material for chicken farms, comprising steel reinforcement to be disposed on a wall, a stone-like material layer and a decorating line. The stone-like material layer and the steel reinforcement are cast together. The decorating line is used for matching with the stone-like material layer. The side of the decorating line is concave and convex. A resin layer is further disposed between the decorating line and the stone-like material layer. By overcoming difficulty in manual caving forming of natural stone, difficulty in mounting of over-heavy stone and high load caused by excessively wide span, the stereoscopic effect of the material is greatly improved.
Owner:安庆市禾顺农业股份有限公司
A high power led underwater fish luring light
ActiveCN103939776BImprove securityIncrease luminous fluxLighting applicationsLighting heating/cooling arrangementsEngineeringExternal circuit
The invention relates to relates to fish catching assistant equipment and discloses an efficient LED underwater attracting fish lamp. The efficient LED underwater attracting fish lamp comprises a plurality of side LED light sources, a top LED light source, a supporting frame, an optical cable wire and a rotary module, wherein the supporting frame is used for supporting the side LED light sources and the top LED light source, the optical cable wire is connected with an external circuit, and the rotary module is used for adjusting the light-emitting angles of the side LED light sources. One end of each side LED light source is connected with the edge of the top LED light source through the supporting frame and the other end of each side LED light source is connected with the rotary module through a supporting rod on the supporting frame. The optical cable wire enables the side LED light sources and the top LED light source to be connected to the external circuit.
Owner:厦门多彩光电子科技有限公司
A method for detecting liquid steel liquid level and mold slag liquid slag layer thickness in mold
ActiveCN104439142BRealize real-time dynamic monitoringNo radiation pollutionCasting parameters measurement/indication devicesHeat flowLiquid slag
The invention relates to a method used for detecting the liquid level of liquid steel and protecting the thickness of a slag layer of slag liquid in a crystallizer and belongs to the technical field of continuous casting of metal. A crystallizer wall inner temperature measuring / collecting module, an anti-inference method calculation heat flow density module, a heat flow density spectral analysis module and an interface recognition module are involved in the method. The modules are connected in series. By means of the function of the modules and information flow exchange among the modules, the position of the liquid steel and the position of the liquid slag layer are determined, and therefore the liquid level of the liquid steel and the thickness of the liquid slag layer are detected. As the new detection principle is adopted, the method has the advantages that radiation pollution is avoided, use is safe and reliable, the maintenance property of equipment is good, labor intensity is low, the method is simple and easy to implement, adjusting is convenient, the response speed is high, the capacity of resisting disturbance is high, and control precision is high. The method has high industrial application value, and the liquid level of the liquid steel and the thickness of the liquid slag layer in the crystallizer can be monitored in real time.
Owner:CENT SOUTH UNIV
Radio frequency identification monitoring device for valuables
InactiveCN101576962BEnsure safetyGuaranteed validityCo-operative working arrangementsSensing record carriersControl circuitRadio frequency
The present invention relates to a radio frequency identification monitoring device for goods, which comprises a hardware part and a software part, wherein the hardware part comprises a radio frequency electronic label and a monitor, the monitor is internally provided with an induction antenna, an embedded processor, a data identifying and reading circuit, a data storage and communication circuit, a clock circuit, an audible-visual alarm and a power control circuit board. The radio frequency electronic label is embedded at the bottom of the goods, the induction antenna is connected to the embedded processor through an identifying and reading module, and the data storage and communication circuit, the clock circuit and the audible-visual alarm are respectively connected to the embedded processor through data address lines. The device has scientific, reasonable and creative design, strong practicability and wide application range. The device has the advantages that due to the adoption of the radio frequency identification technology, the automatic identification and the real-time monitoring management to the goods can be realized, an alarm is made in time to illegal taking or state abnormality to prevent the goods from being stolen and lost, therefore, the device has good application prospect.
Owner:SHENYANG LIGONG UNIV
Method and special equipment for preparing granular silicon belt
InactiveCN1236503CFlat surfaceReduce manufacturing costFinal product manufactureSemiconductor devicesElectrical batteryGraphite
The present invention is the method and special equipment for preparing granular silicon belt capable of being used as the substrate material of polysilicon film solar cell. The technological process includes making silicon powder spread on quartz plate or graphite plate pass through preheating area, linear focusing heating area and natural cooling area successively. The linear focusing heating area is one optical heating area comprising two halogen tungsten lamp assemblies with optical linear focusing reflector on the upper and the lower sides separately. In the linear focusing heating area silicon powder layer is zone molten and the molten silicon solution flows into the gaps between silicon powder grains to form so-called granular silicon belt after being cooled. The granular silicon belt has molten crystallized surface with certain mechanical strength and chemical stability and low cost and is suitable for use as the substrate material of solar cell.
Owner:SUN YAT SEN UNIV
Strong reflection type reflective paper and production equipment thereof
PendingCN113372838AImprove indication effectImprove luminous brightnessLiquid surface applicatorsFilm/foil adhesivesThin membraneComposite material
The invention relates to the technical field of reflective paper, in particular to strong reflection type reflective paper and production equipment thereof. The strong reflection type reflective paper comprises a light-transmitting resin layer, a pressure-sensitive adhesive layer and a peelable layer, and further comprises a light-storing light-transmitting layer, a focusing layer, a reflecting layer, a sealing layer and a base material film layer which are distributed in a laminated manner, wherein the light-storing light-transmitting layer is arranged at the bottom of the light-transmitting resin layer, the pressure-sensitive adhesive layer and the peelable layer are laminated at the bottom of the base material film layer, the light-storing light-transmitting layer is a light-emitting layer embedded with reflective beads, the light-emitting layer is composed of a plurality of light-emitting modules, each light-emitting module is composed of a reflective bead and a super-hydrophobic modified self-luminous material layer, the reflecting layer is of a spherical reflector structure, and the focusing layer is filled between the light-storing light-transmitting layer and the reflecting layer. The production equipment comprises a spraying device, which comprises a cleaning part, a gluing part, a cooling part and a frame body mounted at the bottom which are connected in sequence. According to the invention, the light-emitting effect of the reflective paper is improved through the light-storing and light-reflecting effects.
Owner:兆泰(厦门)科技股份有限公司
Lamina cigarette case density deviation detection system and detection method thereof
ActiveCN103900932BMinor changesDoes not affect normal productionSpecific gravity measurementProgrammable logic controllerEngineering
The invention provides a system and method for detecting the density deviation of a flue-cured tobacco lamina box The system comprises a data acquisition unit and a data analysis unit, wherein the output end of the data acquisition unit is connected with the input end of the data analysis unit; the data acquisition unit comprises a bracket, a photoelectric tube, a microwave emission probe, a microwave receiving probe, an upper guide rail, a lower guide rail, a limiting switch, a connection rod, a programmable logic controller, a servo motor and an industrial control computer. The system for detecting the density deviation of the flue-cured tobacco lamina box is convenient to operate, low in maintenance frequency, high in detection speed and high in detection precision, cannot affect normal production, is convenient to mount and has an extremely large practical value.
Owner:SHANGHAI MICRO VISION TECH
A large-scale shielded main pump dismantling device and dismantling process in a radioactive environment
ActiveCN111649007BReduced risk of contamination by radioactive mediaDisplacement deformation is smallPump componentsGrinding machinesImpellerEngineering
Owner:SANMEN NUCLEAR POWER CO LTD
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