Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

74results about How to "Technological innovation" patented technology

Subway disaster accident simulation testing platform

The experiment platform includes experimental solid model of underground in 1:5 large scale, fire source system, ventilation and smoke extraction system, fire detection alarm system, experimental measurement and collection system, and data analytic system. Structure of multistory building of the solid model includes interzone tunnels, platforms, station halls and facility rooms etc. Modularized design is adopted. Fire source system can simulate different scenes of fire, and generate hot smoke gas of fire nigh true. Power and fuming quantity of the fire source system is determined based on theoretical analysis from model similitude. The experiment platform can generate growth curve of different power of fire. The experiment platform is in use for carrying out experimental studies: happening and growing mechanism of fire, and poison gas outspread inside stations of underground as well as control technique. The invention is applicable to different structures of station.
Owner:CHINA ACAD OF SAFETY SCI & TECH

Auxiliary translation searching engine system and method thereof

The present invention discloses one kind of auxiliary translation searching engine system and its method, and relates to multilingual translation system and method in Internet. The method includes the steps of: 1. for the network robot to pick up web page and store in source information library; 2. to establish web page index library with web page index module; 3. to find single web page or bilingual web page pair in web page index library with the web page distinguishing and pre-treating module and perform web page pre-treatment; 4. to perform sentence matching treatment; 5. to store in bilingual library; 6. to establish index for the matched and stored bilingual pairs; 7. to respond user's request and search nearby bilingual result and source URL; and 8. to display in client end the bilingual result and source URL. The present invention is applied in automatic translation in network search.
Owner:贺方升

Method for extracting crude product of heparin sodium

The invention relates to a method for extracting a crude product of heparin sodium, which comprises the following steps of: firstly, taking the gut skin and the intestinal mucosa of a primitive gut as raw materials for extracting the heparin sodium, putting sodium chloride, sodium hydroxide and proteinase into an enzymolysis tank simultaneously according to a certain proportion and heating to carry out enzymolysis on the raw materials to form a liquid state; filtering, putting filtrate into an adsorption tank, eluting resin by brine after adsorbing the filtrate by adopting the higher resin, enabling the heparin sodium to enter eluent, putting the eluent into a depositing tank and depositing by alcohol; and drying and pulverizing. The invention has high efficiency, high stability, resource saving and high product yield and purity, is easy for large-scale production, can meet the requirements of markets at home and abroad to a crude product of heparin and has extensive application prospect.
Owner:喻延安

Folding-type five-bending electric bed

The invention discloses a folding-type five-bending electric bed which comprises two bed frames folded mutually; the bed frames are provided with cross rods; the two bed frames are articulated by movable rotary shafts; four corners of the bed frames and the central bottom parts are provided with bed legs; the inner sides of the bed frames are provided with a bed body; the bed body is composed of a head part unit movable frame, a waist part unit movable frame, a thigh unit movable frame, a shank unit movable frame and a buttock fixing bed surface; the centers below the two bed frames are respectively provided with a front electric device and a rear electric device; the front electric device is provided with a front spiral push rod; the front end of the front spiral push rod and a front support at the bottom of the head part unit movable frame are connected through a front rotary shaft; the rear electric device is provided with a rear spiral push rod; and the front end of the rear spiral push rod and a rear support at the bottom of the shank unit movable frame are connected through a rotary shaft. The folding-type five-bending electric bed provided by the invention has the beneficial effects that the bed body can be folded together, is convenient to transport, store and use, can be widely applied to hotels, hospitals, families and the like, and can meet requirements of different people.
Owner:郭安民

Gene chip and method for detecting classical swine fever virus (CSFV), porcine circovirus virus type 2 (PCV-2) and porcine reproductive and respiratory syndrome virus (PRRSV)

The invention provides a gene chip detection method for a classical swine fever virus (CSFV), a porcine circovirus virus type 2 (PCV-2), a porcine reproductive and respiratory syndrome virus Europe type (PRRSVE) and a porcine reproductive and respiratory syndrome virus America type (PRRSVA). A gene chip is shown as a probe sequence in the table of the specification. The invention discloses a method for simultaneously detecting three diseases, namely classical swine fever (CSF), a porcine circovirus type 2 (PCV-2) and a porcine reproductive and respiratory syndrome (PRRS) by using the gene chip. By the method, the problems that the conventional detection technology is time-consuming and labor-consuming and has low specificity, or only can be used for detecting a single disease are solved. All probes provided by the invention are synthesized into a connecting amino group at a 5' end, a poly T connecting arm with the length of 15 bp is provided, and a result shows that fixing efficiency is relatively high. By a polymerase chain reaction (PCR) amplification technology with mark primers, various kinds of fluorescent mark deoxyribonucleic acid (DNA) complementary to corresponding probescan be amplified at a time, and the high specificity and sensitivity of nucleic acid hybridization in a solid-liquid phase can be ensured. In addition, by a mark method, detection time is greatly shortened, the cost of chip detection is lowered, and the detection method is more suitable to be popularized in clinical application.
Owner:CHONGQING UNIV OF TECH

Treatment method of livestock/poultry culture wastewater

The invention provides a treatment method of livestock / poultry culture wastewater, belonging to the technical field of wastewater treatment. The method comprises the steps of pretreatment, heavy metal treatment, antibiotic treatment and Lemna minor culture. The wastewater treatment method is mainly used for treating livestock / poultry culture wastewater in summer, and adopts the Lemna minor for culture, thereby lowering the contents of ammonia nitrogen and phosphorus in wastewater and providing natural feed for livestock / poultry culture; and the livestock / poultry wastewater is well treated, thereby relieving the economic pressure of the culture farmer, and solving the problem of pollution.
Owner:北京中春阳和环保科技有限公司

Wind power heating machine

A wind-power heat generation engine mainly comprises a wind turbine and a heating element and has the advantages of novel structure, unique technique, scientific and practical property, technological innovation, promoting the wind energy to transform into heat energy, working in all weather and ensuring to provide hot water and central heating for buildings. The characteristics of no electricity consumption, no water consumption, not needing kerosene oil-gas and no any pollutions are beneficial to achieving the targets of saving energy, reducing discharging and realizing green buildings. The wind-power heat generation engine of the invention also has the advantages of little investment, low cost, high benefit, wide market, strong competition and feasible property.
Owner:韩统

Method for modulating space vector impulse width of frequency converter

ActiveCN103236815AFlexible changeover timeLow impact of dead-band transitionsElectronic commutation motor controlAC motor controlFrequency changerPower factor
The invention provides a method for modulating the space vector impulse width of a frequency converter. The method comprises the following steps of: A, sampling the three-phase current of an electric motor by the frequency converter, and performing coordinate conversion on the current from three phases to two phases; B, calculating a current vector angle according to a current value under a two-phase coordinate system; C, determining a space vector conversion angle through the current vector angle and a power factor angle; and D, generating a modulating signal of the space vector impulse width. The deal zone influence of five-segment type SVPWM (Space Vector Pulse Width Modulation) during the conversion process is balanced through correlation of the power factor angle and the space vector conversion angle, so that the problem of current waveform distortion is solved. The method effectively eliminates the current waveform distortion of the five-segment type SVPWM at the moment of conversion, and has good effect in practical application. The method has novel effectiveness, and is technical innovation of frequency converters during application process.
Owner:SINO WEALTH ELECTRONICS

External chest compression guidance device for cardiopulmonary resuscitation

InactiveCN101690694ATechnological innovationSolve the problem of the most difficult to control the depth of compressionIron-lungsEducational modelsTraining periodSpeech Processor
The invention provides a device for providing technical guidance on site when performing external chest compression for cardiopulmonary resuscitation on a sudden cardiac arrest patient, which is used for performing external chest compression training for the cardiopulmonary resuscitation and belongs to the technical field of electronics. The device of the invention overcomes the defect of a great difference between the skill training of the cardiopulmonary resuscitation first aid and practical emergency treatment and the serious problem that the universal skill training of the prior cardiopulmonary resuscitation first aid needs enormous amount of capital and long time. The device in the invention is a control box formed by connecting a microgravity sensor and an analogue training body through leads. When the emergency treatment is performed, the device prompts time and frequency, compression signals are acquired by utilizing the sensor and are input to a control center, and then the compression signals are input to a display processor through a displacement operation of the control center and displayed on a luminous tube; and simultaneously, the signals are input to a voice processor and a speaker plays prompting voices. The device is simple and effective in operation and low in cost, has no training period, and can provide the technical guidance for a first-aid site, enables a user to easily understand and greatly improves the effective rate of the emergency treatment.
Owner:蒋克平

Preparation method of high whiteness and high density polyethylene

The invention provides a preparation method of high whiteness and high density polyethylene. The preparation method comprises the following steps: a, providing a premix of a high density polyethylene base material and an assistant system which accounts for 0.18-0.20 wt% of the high density polyethylene base material, wherein the assistant system comprises an antioxidant, a processing assistant, ametal ion passivant, and a fluorescent whitening agent, the antioxidant comprises a main antioxidant 1,3,5-tri(3,5-ditertiarybutyl-4-hydroxybenzyl)isocyanuric acid and an auxiliary antioxidant distearyl thiodipropionate, the processing assistant is a zinc calcium stearate with a weight ratio of zinc stearate to calcium stearate of 1:0.95-1:1.05, and the metal ion passivant is a polyhydroxy alcohol metal ion passivant; and b, carrying out twin screw extrusion on the premix to obtain the high whiteness and high density polyethylene.
Owner:SHANGHAI SECCO PETROCHEM

Process of synthesizing high purity iolite material with industrial sludge from aluminium section plant

The present invention is process of synthesizing high purity iolite material with industrial sludge from aluminum section plant. The materials include industrial sludge from aluminum plant 48-50 wt%, talcum powder 24-25 wt%, clay 25-27 wt% and TiO2 0-3 wt%; and the synthesized product has iolite content over 95 % and mullite content of 0.5-5 wt%. The present invention uses the sludge from aluminum plant with large surface area and high activity favorable to solid phase reaction and sintering as main material, and has high economic utility and social utility.
Owner:FUZHOU UNIV

Medium-high temperature firing soaking-free sliding gate brick and preparation method thereof

The invention discloses a medium-high temperature firing soaking-free sliding gate brick and a preparation method thereof. The brick comprises the following components in percentage by weight: 45-60% of white corundum, 13-18% of fused alumina zirconia, 3-5% of magnesia, 6-10% of sintered mullite, 4-6% of alpha-alumina micro powder, 4-5% of graphite, 2-4% of metal silicon powder, 1-3% of high-temperature asphalt, 0.5-1% of boron carbide, 4-6% of high-temperature firing promotion powder and 2-4% of sodium bentonite, wherein the sum of weights of all components in the formula is 100%, and 4-5% of a phenolic resin is further added. The brick is excellent in thermal shock resistance, peeling resistance and oxidation resistance, the toughness of a product is improved, the situations that the brick is affected by extreme cold and hotness in the use process and is cracked and peeled and the use is affected are effectively avoided, and the purpose of prolonging the service life is achieved.
Owner:无锡市南方耐材有限公司

Adaptive front-lighting system (AFS) control system for intelligent turning of headlight of automobile

The invention relates to an adaptive front-lighting system (AFS) control system for the intelligent turning of a headlight of an automobile. The system is based on the control of a fuzzy neural network and is divided into two classes which are a hardware system and a software system. The hardware system comprises a master controller, an actuator, a sensor module and the like; and the software system comprises a master program and each subprogram. The invention particularly relates to the regulation of the horizontal and vertical directions of the light rays of a headlight, the realization of the function of automatic switching of far and near light, the preliminary aiming technology of the headlight and effective combination between the headlight and a global positioning system (GPS) navigation system. The structure and the curvature of a road in front are forecast as much as possible according to navigation information, and the light type of required lamplight is provided. According to the device disclosed by the invention, the intelligent control of the headlight of the automobile is realized. The AFS control system for the intelligent turning of the headlight of the automobile has the characteristics of energy saving, intelligence and long service life. The running safety of an automobile is increased. The AFS control system for the intelligent turning of the headlight of the automobile has better humanization and universality and has popularization value and use value.
Owner:丹阳众诚汽车部件科技有限公司

Locking device of bidimensional scanning mechanism

The invention discloses a locking device of a spacial bidimensional scanning mechanism. The bidimensional scanning mechanism is applied to the technical field of aerospace engineering. The locking device comprises a base, a baffle block assembly, a pin puller, a rolling element connecting frame and a tension spring. The base is arranged on a foundation bed of the scanning mechanism, and the baffle block assembly, the pin puller and the tension spring are all mounted on the base. One end of the rolling element connecting frame is fixedly connected to the bidimensional mechanism rolling element, and the other end of the rolling element connecting frame is matched with a pin shaft. Baffle blocks are movable parts, and a rotating shaft is a baffle block shaft. When locking is carried out, the pin shaft of the pin puller penetrates through a base bush, a rolling element connecting frame bush and a pin shaft bush and locks the bidimensional mechanism rolling element mutually with the baffle block assembly, and the tension spring is in a tensioning state. When unlocking is carried out, the pin shaft is pulled out, and the baffle blocks move around the baffle block shaft and return to an initial position under the force action of the tensioning spring to achieve the unlocking. The locking device of the bidimensional scanning mechanism is characterized in that the locking device is used for achieving the bidimensional locking of the scanning mechanism. The locking device of the bidimensional scanning mechanism is convenient to demount and mount, simple in structure, safe and reliable, and an effective locking mode for the spacial bidimensional scanning mechanism is provided.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

Tetramethylpyrazine bacillus amyloliquefaciens, and applications of sesame-flavor baijiu special-purpose mouldy bran

The invention discloses a tetramethylpyrazine bacillus amyloliquefaciens, and applications of a sesame-flavor baijiu special-purpose mouldy bran. The tetramethylpyrazine sesame-flavor baijiu special-purpose mouldy bran is obtained using tetramethylpyrazine bacillus amyloliquefaciens XJB-104 strain via following steps: preparation of a primary seed solution, preparation of a secondary seed solution, bran solid state culture medium fermentation, and aeration-drying of an obtained matured mouldy bran material. The obtained tetramethylpyrazine sesame-flavor baijiu special-purpose mouldy bran is bright in color, is dark brown, possesses typical smell, and slight ammonia smell, and is beneficial for improvement of the quality of sesame-flavor baijiu; and the tetramethylpyrazine content is higher than 380mg / kg.
Owner:ANHUI XUANJIU GRP +1

Preparation method of seedling culture substrate with growth promoting function

The invention discloses a preparation method of a seedling culture substrate with a growth promoting function, comprising the following steps: steps 1, material preparation: taking 15.0-35.0 parts ofperlite, 15.0-35.0 parts of vermiculite and 30.0-70.0 parts of organic material according to parts by weight for later use; step 2, preparation of functional strain: selecting bacillus amyloliquefaciens as the functional strain in the fertilizer, wherein the functional strain is produced in the form of fungus powder, and the activity of the functional strain is not less than 3 hundred million / g; step 3, preparation of the seedling culture substrate with a growth promotion function: mixing the materials in steps 1, adding the functional strain in step 2 which accounts for 0.1-0.5% of the totalweight of the fertilizer in the mixing process, and uniformly mixing, so as to obtain the seedling culture substrate with a growth promoting function, wherein the activity of the strain is not less than 30 million / g. The seedling culture substrate cannot cause damage to the environment and crops, is safe, health, pollution-free, and thus is a novel green and environment-friendly, and simple and efficiency seedling culture substrate.
Owner:YUNNAN YUNYE FERTILIZER

Medicament for treating primary bronchogenic carcinoma

The invention discloses a medicament for treating primary bronchogenic carcinoma. Compound lung cancer capsule preparation consists of the following traditional Chinese medicines and packaging materials: ginseng, astragalus mongholicus, oldenlandia diffusa, ternate buttercup root, saffron crocus, pseudo-ginseng powder, musk, Chinese lobelia, curcuma zedoary, campsis grandiflora, rhizoma cyperi, peach kernel, akebia fruit, wall gecko, cordyceps sinensis and reishi shell-broken spore powder. The medicament disclosed by the invention fills up the blank in the subject filed for preventing and treating primary bronchogenic carcinoma-caused cough, hemoptysis, chest pain, phlegm and retained fluid, phlegm poison, lung poison, lung atelectasis, lung lump, lung accumulation and rushing respiration as well as pulmonary respiration-pulmonary atelectasis-caused deficiency of vital energy, imbalance of yin and yang, lung attacks due to deficiency of vital energy, qi depression of lung, disturbance of diffusion and downbearing, qi stagnation and blood stasis, phlegm cementation and lung cancers caused by lasting lung diseases. The medicament is innovative for the existing Chinese medicine treatment of the human in the world to lung cancer recovery clinical care culture.
Owner:李运乃

Electric energy metering and management system for large-scale enterprise

The invention relates to an electric energy metering and management system for a large-scale enterprise. The system comprises a smart cloud computation platform, wherein the smart cloud computation platform is connected with an electric energy metering and management private network of an electricity consumption unit; the electric energy metering and management private network of the electricity consumption unit is connected with a plurality of electricity consumption unit metering and management centers through electric optical fibers; and the smart cloud computation platform accesses to GPRS IP addresses of the electricity consumption unit metering and management centers through the internet, reads electric quantity data and performs computation and control on the electric quantity data to realize electric state real-time monitoring, smart electric operation distribution, smart electric quantity prediction and smart electric fault alarming. According to the system, the enterprise reasonably uses electric energy and performs on-site optimization control on electric energy quality, so that electric consumption accidents and electric energy waste are avoided. A metering and electric energy quality optimization apparatus adopts a GPRS internet-of-things transceiver, can directly access to an IP address of the internet without a GPRS receiving apparatus, realizes the function of internet of things, and is a technical innovation of internet of things.
Owner:ANSHAN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER COMPANY +2

Zero emission online circulation treatment system for electroplated nickel containing waste water

The invention discloses a zero emission online circulation treatment system for electroplated nickel containing waste water. The system comprises an early-stage pretreatment system, a filter permeation system and an evaporation concentration system, the early-stage pretreatment system comprises a raw water pool(1), a boosting pump(2), a membrane bioreactor (MBR) membrane treatment device (3), a bag-type filter (4), an oil removing filter(5) and a cartridge filter (6), the filter permeation system comprises an ultrafiltration device (7), a first high pressure pump (8), a first-stage inverse permeation unit (9), a first-stage middle water tank (10), a second high pressure pump (11), a second-stage inverse permeation unit (12) and a high concentration nickel water collection tank (13), and the evaporation concentration system comprises a solar water heater (14), an electric heater (15), a hot water storage tank (16), a circulation pump (17), a trapezoidal multi-effect evaporation tower (18) and an ultrahigh concentration nickel water collection tank (19). The zero emission online circulation treatment system for the electroplated nickel containing waste water has the advantages that the nature of complete set of equipment is good, the automation degree is high, the recovery rate for nickel can reach to 99.98%, the water reuse rate can reach to 100%, the secondary pollution is prevented, the zero emission of the electroplated nickel containing waste water can be thoroughly achieved, and the system has an important significance for sustainable development of the electroplating industry.
Owner:NANJING JIHONG ENVIRONMENTAL PROTECTION TECH

Ring spindle spinning process

The ring spindle spinning process features that the great rationing spinning in all or partial fore-spinning steps of scotching, carding, pre-drawing, sliver lapping, combing, drawing and roving, and compared with traditional spinning process, the present invention has 40-100 % rationing increment of semi-finished goods. The present invention has greatly raised production capacity of the fore-spinning apparatus, and can results in obvious economic effect.
Owner:倪远

Convolutional neural network-based self-service checkout system and convolutional neural network-based self-service checkout method

The invention discloses a convolutional neural network-based self-service checkout method. The method comprises the following steps of establishing a self-service checkout system based on a neural convolutional network; shooting the selected dish image information, and identifying the number and types of actually selected dishes in the dish image information through the self-service checkout system; and according to the actually selected dish quantity and type, calculating the price and completing the checkout. According to the self-service checkout system, the dining process can be simplified, the ordering system can be optimized, inconvenience and complexity caused by manual settlement can be overcome, and the cost can be reduced. The invention also discloses a self-service checkout system based on the convolutional neural network.
Owner:EAST CHINA NORMAL UNIV

Lateral flat top construction structure and method for reinforced concrete superposed beam

PendingCN111608086AOperations cannot be affectedLow costBridge erection/assemblyButtressReinforced concrete
The invention relates to a lateral flat top construction structure and method for a reinforced concrete superposed beam. The structure comprises a temporary buttress system arranged on the side of a pier column beside an existing line, a sliding way is arranged at the top of the temporary buttress system and on a steel cross beam stretching across the upper portion of the existing line, a reinforced concrete superposed beam is erected on the sliding way on one side of the temporary buttress system firstly, and the reinforced concrete superposed beam is in place through a lateral flat top at the skylight point time. The construction working time of the operation line is greatly reduced, the interference of the construction process to the existing operation line under the bridge is minimum,and the construction cost is economical and safest.
Owner:KUNMING SURVEY DESIGN & RES INST OF CREEC

Profile combination frame for silo and method for manufacturing silo of vertical shaft structure using same

The invention provides a profile combination frame for a silo and a method for manufacturing the silo of a vertical shaft structure using the same, and belongs to the field of storage equipment. The profile combination frame comprises a formwork assembly, an operation platform assembly, a hydraulic lifting assembly and a maintenance assembly. The formwork assembly is used for lifting of the formwork assembly. The operation platform assembly comprises an inner platform and an outer platform, and is used for operators or equipment to bind reinforcing steel bars, pour concrete or place control equipment; the inner platform is arranged on the inner ring of the formwork assembly; and the outer platform is arranged on the outer ring of the formwork assembly. The maintenance assembly is arrangedat the lower end of the outer platform and sprays water outwards to maintain concrete. According to the combination frame and the method, the working efficiency is improved, the construction risk is reduced, thin iron plates are welded into an inverted cone for overall construction, the safety of overall bearing and supporting of conical hopper construction is guaranteed, and a fair-faced concreteeffect is achieved on the appearance of a conical hopper.
Owner:POWERCHINA MUNICIPAL CONSTR GRP CO LTD

Alcohol ether substituted clean fuel for automobile

ActiveCN101195772AExcellent quality inspection indexGood quality and performanceLiquid carbonaceous fuelsBodies oilPhosphate
The invention discloses alcohol ether replaced clean fuel material used for vehicles, which takes methanol, methylic tertiary butyl ether, ethanol, 190 <NUMBER> -200 <NUMBER> solvent naphtha and heat bodied oil as raw material, under the normal temperature and the normal pressure, sodium perchlorate and potassium permanganate are firstly mixed and prepared by the weight ratio of 1:2, and then filled up into the methanol to be modified, and methylic tertiary butyl ether, ethanol, 190 <NUMBER> -200 <NUMBER> solvent naphtha and heat bodied oil are added in sequence, at last, mixed benzene, light aromatics, methylethyl ketone, sulfurated alkyl phenicate, ialkyl dithiozinc phosphate salt, ethylene glycol monomethyl ether, phosphate ester and Beta- naphthylamine, alkenyl succinic acid and alkylphenol polyoxyethylene are added to prepare a kind of petrous energy source replaced liquid fuel material which resists low temperature, has good mutual solubility, is corrosion proof, has good dynamic performance, low energy consumption and obvious environmental protection effect.
Owner:北京雄韬伟业能源科技发展有限公司

Insertion plate type check dam

InactiveCN105839602AControl groomingControlled washoutBarrages/weirsCheck damEngineering
A plug-in valley. The invention relates to a water and soil conservation engineering measure, in particular to a plug-in type valley. The present invention solves the problem that the existing Gufang cannot satisfy the common requirements of stability, convenient construction, less investment and versatility at the same time. A plug-in type valley includes a fixed seat and a plug-in board, the middle part of the fixed base is provided with a through groove along the thickness direction, the plug-in board is vertically inserted in the lower end of the through-groove, and a plurality of through holes are evenly distributed on the front end surface of the plug-in board , and each through hole is respectively arranged along the thickness direction of the plug-in board. The present invention is used for soil and water conservation.
Owner:HEILONGJIANG WATER & SOIL MAINTENANCE SCI RES INST

High-efficiency acoustic anionic putty powder for hidden flat acoustic speaker

The invention provides a high-efficiency acoustic anionic putty powder for a hidden flat acoustic speaker. The putty powder is prepared from the following components in percentage by volume: 10-70 percent of hollow glass beads, 5-30 percent of superfine triple superphosphate, 5-30 percent of ground calcium carbonate, 1-10 percent of hydroxypropyl methyl cellulose, 1-10 percent of white lignocellulose, 2-20 percent of sandwich rubber powder, 1-20 percent of redispersible latex powder, 1-10 percent of dry powdered polyvinyl alcohol and 1-5 percent of anionic powder. The high-efficiency acoustic anionic putty powder for a hidden flat acoustic speaker is small in density and light in weight, has small blockage and little absorption to acoustic wave, and can reduce attenuation to acoustic loudness.
Owner:AMINA SOUND SHENZHEN CO LTD

Manufacturing method for inlaying metal in glass

The invention discloses a manufacturing method for inlaying metal in glass. The manufacturing method comprises the following steps: an artwork is drawn; lines, a width and a depth of metal to be inlaid are drawn on the artwork; the inner wall of a groove for inlaying is uneven; a three-dimensional model is built according to the artwork; a silica gel mold is produced; a wax mold is filled; a gypsum mold is produced; materials are selected for sintering; the inner wall of the groove for inlaying in the glass is cleaned and dried; the metal is heated to melt as liquid by equipment; then, a proper amount of the metal liquid is poured in a closeable container with a tip end leakage port according to lines of the groove; at this time, another worker is needed to take cooling equipment to cool the just poured metal liquid for condensation; if the metal liquid cannot be condensed in short time, the operation is slowed down until all lines are inlaid; and the metal liquid is stand for cooling. The manufacturing method adopts direct introduction of the metal liquid; the produced metal part is mellow and full without rough places; and the inner wall of the groove is uneven, so that the connection of the groove with the metal is tighter, and the durability is improved.
Owner:TAICANG CITY SHUANGFENG TOWN BOCAI ARTWORK FACTORY

Multifunction network self ticket taking machine

InactiveCN1479241ASolve the waiting in line for ticket purchaseSolve the characteristicsSpecial data processing applications
The invented device is composed of CPU, communication terminal for displaying input data and receipt printer. CPU supports interface of communication terminal for displaying input data and data interface of receipt printer. The central processing device consists of CPU data processor, storage, communication interfaces and system software of the ticket machine. The said software includes the communication module and data processing module. The invented device integrates functions of database, communication terminal, communication network and CTI information processing center so as to realize functions of automatic querying, buying and obtaining ticket and paying charges by card.
Owner:HANGZHOU EASYCOMM TECH

Wave energy power generating magnetic set and power generating device thereof

The invention discloses a wave energy power generating magnetic set and a power generating device thereof. The wave energy power generating magnetic set comprises a plurality of magnets. The magnets are cylindrical and are provided with through holes at the centers. The plurality of magnets are fastened together through bolts and nuts. The periphery of the magnet set is provided with a plurality of roller fixing devices. The roller fixing device is provided with a roller. The roller is spherical or annular. The power generating device comprises an external floating pipe, a power generating pipe, a sliding permanent magnet set, an arrangement circuit board and a power consumption device. A plurality of layers of coils are wound outside the power generating pipe. The sliding permanent magnet set slides in the power generating pipe. The external floating pipe sleeves the power generating pipe. Two ends of the external floating pipe are sealed by external floating pipe caps. The arrangement circuit board is arranged at one end of the power generating pipe. The arrangement circuit board is electrically connected with the coil. The power consumption device is arranged outside the external floating pipe. The arrangement circuit board is electrically connected with the power consumption device. Through utilizing innovative technology, the wave energy power generating magnetic set and the power generating device have advantages of reducing a friction force through a no-shaft roller, improving power generating efficiency and prolonging service life of the device.
Owner:HAINAN UNIVERSITY +2
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products