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43results about How to "No space" patented technology

Rotary channel type laser denudation pool

The invention provides a rotary channel type laser denudation pool, which at least comprises an outer cavity and a sample seat installed in the outer chamber, wherein the outer cavity is hollow, an air inlet and an air outlet are formed in the side wall of the outer cavity, and a slot and a top cover are arranged at the top of the outer cavity; an analysis window is arranged on the top cover; the sample seat is in the shape of a flat cylinder and is composed of a seat of samples to be measured and a standard sample seat; a rotating handle is arranged on the side wall of the outer cavity, and a rotary supporting base is arranged at the bottom of the outer cavity, is connected with the rotating handle through a transmission component and can be driven by the rotating handle to rotate. The rotary channel type laser denudation pool provided by the invention can be used for significantly reducing the sample change efficiency, and eliminating the position effect of a common denudation pool in an analysis process; an analysis volume in the practical analysis process is small, a memory effect is very low, and a single-pulse cleaning time is shorter than 1s; a standard sample and a sample to be measured can be quickly positioned; cross contamination on the surfaces of analysis samples can be avoided.
Owner:武汉上谱分析科技有限责任公司

Femtosecond optical parameter amplifier

ActiveCN103311791AOvercome the disadvantage of not being completely collinearEliminate spatial chirpLaser detailsNon-linear opticsTime responseOptical parametric amplifier
The invention discloses a femtosecond optical parameter amplifier. The femtosecond optical parameter amplifier is characterized in that birefringent crystals are inserted into stages of an optical parameter amplifier to separate signal light from idle light in time, and then the ultrashort time response of a pump laser pulse is utilized to selectively amplify only one path of laser, so that the pump light and the signal light in each stage of optical parameter amplification can work in the complete collinear condition, the spatial chirp is eliminated, and the conversion efficiency is improved. As shown in an experiment, the femtosecond optical parameter amplifier has the advantages of high conversion efficiency, no spatial chirp and strong focusing capacity.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI

Portable crawling ladder for maintenance of fire-fighting equipment

The invention discloses a portable crawling ladder for maintenance of fire-fighting equipment. The portable crawling ladder comprises inclined frame plates, pedals, stop parts, transverse frame plates, a standing platform, a rear support frame, moving wheels, a connecting bottom plate, control buttons, a storage battery, a power line and a telescopic platform device. The telescopic platform deviceis mounted at the bottom of the standing platform, a left telescopic platform and a right telescopic platform are enabled to extend outwards under pushing of a telescopic pushing mechanism, then thestanding area of the standing platform can be increased, the time-consuming and labor-consuming problems caused by the fact that the crawling ladder is required to be moved back and forth manually during maintaining are solved, and the maintenance efficiency is increased; meanwhile, by means of the telescopic pushing mechanism, the left telescopic platform and the right telescopic platform can beretracted into a platform storage box, no space is occupied, furthermore, an auxiliary supporting device is used for supporting the left telescopic platform and the right telescopic platform, therefore, a standing person keeps stable conveniently, and safety is improved.
Owner:兰雯琴

Single base station portable VR system based on wireless human motion capture and optical positioning

A single base station portable VR system based on wireless human motion capture and optical positioning is provided. The system comprises: a motion sensor module, for monitoring a three-dimensional spatial orientation of a human limb; an optical positioning module, for monitoring absolute spatial positions of a human body and a VR head display; an arithmetic module, for, according to data of the motion sensor module and the optical positioning module, calculating and acquiring a motion change track of the position and the orientation of the human body and the limb in the three-dimensional space; and a VR terminal device, which comprises a smart phone and the VR head display, wherein a built-in VR program of the smart phone is configured to refresh display content according to the motion change track of the position and the orientation, the position and orientation information of the limb including the hands is applied to the VR program, and the VR image is output for the user to receive and view through the VR head display. The system provided by the present invention has good portability, has no space and site limitation, and does not require a fixed use site; and only by using one optical tracking base station, a 360 degree full range of position tracking can be achieved and the human motion can be introduced into the VR system.
Owner:梦卓科技(深圳)有限公司

Plant fiber dryer and preparation method thereof

The invention provides a plant fiber dryer which includes the following components, by mass, 91.3-96.3% of plant fibers, 3-8% of water, 0.5-2% of calcium oxide and 0.2-1% of calcium chloride. The plant fiber dryer is prepared from the pure-natural plant fibers through a special process finely, so that the plant fiber dryer has high moisture absorption rate and moisture absorption ratio. The saturate moisture absorption ratio is 100% as the weight of the plant fiber dryer itself (25 DEG C, RH is 100%) and is three times as that of a common silica gel dryer. The dryer is convenient and practical and is free of space occupation. With the natural plant fibers as a moisture absorption carrier, the dryer can be naturally degraded by 100% and belongs to environment-friendly dryers. The plant fiber dryer looks like a thick paper piece and can be cut or chopped into different shapes, can be filled in bottle covers or other containers directly and is an excellent selection for various biological foods, health-caring foods and medicines.
Owner:DONGGUAN JIULV POLYMER MATERIALS CO LTD

Taiji kneading pushing machine

The invention provides a Taiji kneading pushing machine. The Taiji kneading pushing machine comprises a stand column and supporting arms, and is characterized by comprising connecting rods, large rotating rings, small rotating rings, handles, an object containing box; the handles are installed on the large rotating rings, and arc-shaped grooves are formed in the large rotating rings; slides are formed in the bottom surfaces of the arc-shaped grooves, and sliding rods are installed at the bottoms of the handles; and fixing strips are installed on the side surfaces of the sliding rods, the sliding rods are installed in the slides, and clamping grooves are formed in the sliding rods. According to the Taiji kneading pushing machine, the handles are separately installed on the large rotating rings and the small rotating rings to meet the needs of exercise of people with different arm lengths; and by moving the sliding rods in the slides, whether the clamping groove with the high position orthe clamping groove with the low position correspond to screws or not is determined, and one ends of the screws can be rotated into the corresponding clamping grooves by rotating the screws, so thatthe height of the sliding rods is fixed, the adjustment of the height of the handles can be achieved, and the Taiji kneading pushing machine is more convenient for the people with the different arm lengths to catch the handles more properly.
Owner:TIANJIN CHUNHE SCHOOLYARD ATHLETIC FACILITY

A battery cell of a secondary battery and a preparation method of the battery cell

The invention discloses a battery cell of a secondary battery, comprising a positive electrode sheet, a negative electrode sheet, an isolation film and an electrolyte, wherein the isolation film is arranged between the positive electrode sheet and the negative electrode sheet, the positive electrode sheet and the negative electrode sheet all comprise a porous current collector, and each porous current collector is provided with an NTC material body; Each pore of the porous current collector is provided with an NTC material body, and the NTC material body is seamlessly and fixedly connected with the pore inner wall of the porous current collector; The invention relates to a preparation method of a cell, comprising the following steps of: softening an NTC material body by sintering, and pressing the NTC material body in each pore of a porous current collector by cold pressing; Finally, the porous current collector containing NTC material is fabricated into a pole piece. Placing an isolation film, injecting an electrolyte, and assembling the electrolyte into a cell; As that low-temperature heat characteristic is ensured, the battery performance is not reduce due to the addition of theNTC material, and the space can be saved; The invention can not only keep the secondary battery in the heating state for a long time under the low temperature, but also make the secondary battery exert its performance.
Owner:NANTONG JIANGHAI CAPACITOR CO LTD +2

Pipeline delay-based system and method for measuring concentrations of components of fruit juice sugar

The invention discloses a pipeline delay-based system and a method for measuring concentrations of components of fruit juice sugar. The system comprises a spiral pipeline sample cavity, a circuit box, an ultrasonic transmitting transducer and an ultrasonic receiving transducer, wherein the ultrasonic transmitting transducer and the ultrasonic receiving transducer are respectively located at the two ends of the spiral pipeline sample cavity; the circuit box is located outside the spiral pipeline sample cavity and is externally provided with display equipment; the circuit box comprises a main control unit, a memory, a transmitting circuit, a receiving circuit and a pulse detection decision circuit; the main control circuit is respectively connected with the memory, the transmitter circuit, the pulse detection decision circuit and the display equipment; the ultrasonic transmitting transducer is connected with the transmitting circuit in the circuit box, the ultrasonic receiving transducer is connected with the receiving circuit in the circuit box; and the receiving circuit is connected with the pulse detection decision circuit. In the method, the concentrations of the components of fruit juice are calculated through measuring the propagation time of ultrasonic in the spiral pipeline sample cavity. The method not only omits the step of calculating the sound speed to reduce the system computation but also effectively improves the detection accuracy.
Owner:SOUTH CHINA UNIV OF TECH

Ammonia gas generating device for diesel vehicle filter

The invention relates to an automobile filter, and provides an ammonia gas generating device for a diesel vehicle filter. An ammonia gas nozzle is arranged at one end of a cylindrical shell, a urea heating cavity is arranged outside the other end of the cylindrical shell, and a sleeve is arranged outside the urea heating cavity; a cavity communicated with the urea heating cavity is formed between the sleeve and the shell, a urea inlet is formed in the outer side of the sleeve, connected with a metering device and communicated with the internal cavity and the urea heating cavity, and a vehicle tail gas inlet is formed in the outer side of the sleeve and tangent to the section of the sleeve. According to the ammonia gas generating device for the diesel vehicle filter, the design of all inlets is reasonable, vehicle tail gas and urea can be evenly mixed with ammonia gas in an exhaust pipe through different jetting directions, the ammonia gas is directly jet into an exhaust manifold, and the ammonia gas generating device can be used for a closed DeNOx system; the nitrate removing efficiency is high, and space for hydrolysis and evaporation is not needed; the ammonia gas generating device can be applied to a closed nitrate removing system, sediments in a catalyst and the exhaust pipe are avoided, the probability of system failures caused by sedimentation is lowered, and the blank of ammonia gas generating devices for diesel vehicle tail gas purifying devices is filled up.
Owner:TEWEI TEK ENVIRONMENTAL PROTECTION TECH SHANDONG CO LTD

Evaporation source

ActiveUS20140174920A1Efficiently protected against inordinate heat inputEfficiently excessive temperatureCellsElectric discharge tubesEvaporationEngineering
Evaporation source, in particular for use in a sputtering process or in a vacuum arc evaporation process, preferably a cathode vacuum arc evaporation process. The evaporation source includes an inner base body which is arranged in an outer carrier body and which is arranged with respect to the outer carrier body such that a cooling space in flow communication with an inlet and an outlet is formed between the base body and the carrier body. In accordance with the invention, the cooling space includes an inflow space and an outflow space, and the inflow space is in flow communication with the outflow space via an overflow connection for the cooling of the evaporation source such that a cooling fluid can be conveyed from the inlet via the inflow space the overflow connection and the outflow space to the outlet.
Owner:OERLIKON SURFACE SOLUTIONS AG PFAFFIKON

Sewage treatment device of swimming pool

The invention discloses a sewage treatment device for a swimming pool. Two chutes are arranged inside the swimming pool, and sliders are arranged on the two chutes, and first telescopic rods are connected to the sliders. There is a plastic plate between them, the two ends of the plastic plate are equipped with cylinders, and the second telescopic rods are connected to the cylinders, the middle part of the plastic plate is equipped with a ph value measuring instrument, one side of the chute is equipped with a device groove, and the inner wall of the swimming pool There is an electric sprinkler head for precipitating agent, and a control box is installed on one side of the swimming pool. The lever button and the start button, this kind of device sprays the sedimentation agent into the swimming pool through the sedimentation agent electric sprinkler head, so that the sewage in the swimming pool can be reused and the waste of water resources is reduced. These devices can put it into the device tank inside the swimming pool , and does not take up space.
Owner:陈福平

Multispectral light source based on prism structure

PendingCN109143596AReduce volumeLight utilization rate is not highReflectorsOptical elementsCouplingPrism
The present invention discloses a multispectral light source based on a prism structure. The multispectral light source comprises: a LED or a laser, wherein LEDs or lasers with different wavelengths can be selected according to actual conditions; a color combination prism formed by gluing a plurality of rectangular prisms, wherein the surfaces of the rectangular prisms are plated with special films to allow light with certain wavelengths to penetrate, allow light with some lengths to be reflected and allow light with certain wavelengths to be uniformly emitted in one direction; a coupling lensconfigured to couple light emitted in one direction into an optical fiber probe so as to improve the utilization of the light; and the optical fiber probe configured to collect light and conduct thelight. The multispectral light source based on the prism structure employs the prism structure to perform special film plating process and allow light with different wavelengths to be coaxial and conjugated, to be emitted in one direction and to be collected. The light with different wavelengths can be individually controlled to switch. The light source of the prism structure is compact, small involume and high in luminous power.
Owner:合肥中科易康达生物医学有限公司 +1

Telescopic shopping bag

The invention provides a telescopic shopping bag which has a simple structure, is practical and convenient and can be reused. The telescopic shopping bag comprises a bag body, a shoulder belt and a telescopic rope, wherein two sides and the bottom edge of the bag body are respectively provided with a hole, the telescopic rope is arranged to pass through the holes along a same direction, the bag body is made of a non-woven fabric, two sides of the bag body are respectively provided with a long-strip-like hole, and a plurality of support bars are arranged at two sides of the bag body. According to the invention, since the shopping bag is provided with the telescopic rope and the holes, telescopic motion of the shopping bag is realized, and the shopping bag is convenient to use; when not in use, the shopping bag is convenient to store and does not occupy space; the shopping bag body is made of the non-woven fabric, so the shopping bag is environment-friendly and the utilization rate of the shopping bag is increased. The telescopic shopping bag provided by the invention is ingeniously designed, environment-friendly and sanitary and is convenient to carry.
Owner:YANGZHOU TANGWANG LUGGAGE

Slow-release mud-resistant polycarboxylate superplasticizer and preparation method and application thereof

The invention provides a slow-release mud-resistant polycarboxylate superplasticizer and a preparation method and application thereof, and belongs to the technical field of concrete admixtures. The slow-release mud-resistant polycarboxylate superplasticizer is prepared from the following raw materials in parts by weight: 350 to 380 parts of 4-hydroxybutyl vinyl polyoxyethylene ether, 51 to 60 parts of acrylic acid, 8 to 12 parts of cationic monomer and 35 to 45 parts of unsaturated ester. The method comprises the following steps: adding an oxidizing agent into a polyether monomer solution; simultaneously dropwise adding a feed liquid B prepared by adding a reducing agent and a chain transfer agent into water and a feed liquid C prepared by adding a cationic monomer, unsaturated esters and acrylic acid into water, and ensuring that the feed liquid C is completely dropwise added before the feed liquid B; and finally, carrying out heat preservation reaction to obtain the slow-release mud-resistant polycarboxylate superplasticizer. The slow-release mud-resistant polycarboxylate superplasticizer prepared by the preparation method has good mud resistance and slump loss resistance at the same time.
Owner:武汉三源特种建材有限责任公司

Experimental platform for science and engineering

The invention discloses an experimental platform for the science and engineering. The experimental platform includes a base, the middle of the upper surface of the base is connected to a workbench through a telescopic mechanism, telescopic rods are arranged at four corners on the upper surface of the base, the top ends of the telescopic rods are connected to the bottom of the workbench, a baffle is arranged on one side of the upper surface of the workbench, an LED lamp and a faucet are arranged on the upper surface of the baffle, a water tank is arranged below the faucet, the water tank is located on the upper surface of the workbench, and a tank body is arranged at the bottom of the base. According to the invention, the telescopic mechanism is cooperated with the telescopic rods, the height of the workbench can be adjusted according to the height of a user to be suitable for the user, so that an experiment can be conducted conveniently, a seat can be pulled out through slidable connection of the seat and the base, therefore the user can sit on the seat to conduct the experiment.
Owner:凌立颖

Single-thread elastic yarn feeder

The invention discloses a single-thread elastic yarn feeder which comprises a supporting rack, at least one driving wheel, a driving shaft, two bearing plates, a mandrel, a gear set, two supporting rods and a belt wheel set. The driving wheel is connected to the upper end of the driving shaft, the driving shaft is arranged on the supporting rack in a pivoted mode, the bearing plates are arranged at an interval, the mandrel is arranged between the two bearing plates, two ends of the mandrel are arranged to the two bearing plates in a pivoted mode, the gear set is arranged between the lower end of the driving shaft and the mandrel, the two supporting rods are arranged between the two bearing plates, two ends of each of the two supporting rods are arranged on the two bearing plates in a pivoted mode, and the belt wheel set is connected between the two supporting rods and the mandrel. Therefore, the two ends of each supporting rod are provided with supporting points, the supporting strength is better, and the supporting rods do not easily shake, so that yarn output tension is stable.
Owner:JINFUJI ENTERPRISE +1

Pipeline delay-based system and method for measuring concentrations of components of fruit juice sugar

The invention discloses a pipeline delay-based system and a method for measuring concentrations of components of fruit juice sugar. The system comprises a spiral pipeline sample cavity, a circuit box, an ultrasonic transmitting transducer and an ultrasonic receiving transducer, wherein the ultrasonic transmitting transducer and the ultrasonic receiving transducer are respectively located at the two ends of the spiral pipeline sample cavity; the circuit box is located outside the spiral pipeline sample cavity and is externally provided with display equipment; the circuit box comprises a main control unit, a memory, a transmitting circuit, a receiving circuit and a pulse detection decision circuit; the main control circuit is respectively connected with the memory, the transmitter circuit, the pulse detection decision circuit and the display equipment; the ultrasonic transmitting transducer is connected with the transmitting circuit in the circuit box, the ultrasonic receiving transducer is connected with the receiving circuit in the circuit box; and the receiving circuit is connected with the pulse detection decision circuit. In the method, the concentrations of the components of fruit juice are calculated through measuring the propagation time of ultrasonic in the spiral pipeline sample cavity. The method not only omits the step of calculating the sound speed to reduce the system computation but also effectively improves the detection accuracy.
Owner:SOUTH CHINA UNIV OF TECH

A rotating channel laser ablation pool

The invention provides a rotary channel type laser ablation cell, which at least includes an outer cavity and a sample seat installed in the outer cavity, the outer cavity is hollow, and its side wall is provided with an air inlet and a drain. Gas port, the top of the outer cavity is provided with a card slot and a top cover; the top cover is provided with an analysis window; the sample seat is in the shape of a flat cylinder and is composed of a sample seat to be tested and a standard sample seat; the external cavity A rotary handle is provided on the side wall of the outer cavity, and a rotary support base is provided at the bottom of the outer cavity, and the rotary support base is connected with the rotary handle through a transmission part and can rotate under the drive of the rotary handle. The invention can significantly reduce the frequency of sample replacement; eliminate the position effect in the analysis process of conventional denudation pools; the analysis volume in the actual analysis process is small, the memory effect is extremely low, and the single pulse cleaning time is less than 1s; it can quickly clean standard samples and samples to be tested Sample positioning; avoids cross-contamination of analytical sample surfaces.
Owner:武汉上谱分析科技有限责任公司

Disposable automatic liquid stopping infusion set and manufacturing method thereof

InactiveCN102580180BImprove reliabilityEnsure self-closingInfusion devicesInfusion setBottle
The invention discloses a disposable automatic liquid stopping infusion set and a manufacturing method thereof. The infusion set comprises a safety mechanism, the safety mechanism comprises a shell and a buoy located in the shell, the shell comprises at least one liquid medicine outlet, the inner lower end of the shell is a connecting end, the connecting end is provided with a through hole, liquid medicine flows through the through hole, the connecting end is protruded out of the liquid medicine outlets of the shell, a U-shaped portion is arranged below the buoy, a sealing cap is arranged in the U-shaped portion and comprises a cap top and an annular cap body, one end of the annular cap body is sealed via the cap top while the other end of the annular cap body is an opening end, the opening direction of the annular cap body is opposite to an inwards concave direction of the U-shaped portion, and the diameter of an opening of the annular cap body is larger than that of the connecting end. The disposable automatic liquid stopping infusion set aims to realize that automatic sealing of an infusion pipeline can be ensured when infusion bottles are replaced and infusion is about to be finished by the aid of multiple times of sealing, on the basis that air is assuredly prevented from entering the body of a patient, reliability of sealing of the infusion pipeline is improved, and safety is further enhanced.
Owner:张东平

Fastener

A fastener comprises a body, a gasket and a spring. The body comprises a column body, two clamping buckles arranged at the top end of the column body and two clamping feet arranged at the bottom end of the column body, an annular stopping part is arranged on the circumferential surface, close to the clamping feet, of the column body, the tail ends of the two clamping buckles are respectively provided a semi-conical clamping tooth in a protruding mode in the backward direction, and the tail ends of the two clamping feet are respectively provided a semi-conical protrusion in a protruding mode in the backward direction. The gasket is arranged on the column body in a sleeved mode, and the spring is arranged on the column body in a sleeved mode and is arranged between the gasket and the stopping part in a sandwiching mode. The clamping buckles and the clamping feet of the fastener can be clamped into two workpieces respectively to fix the two workpieces relatively, space cannot be occupied, and the fastener is quite convenient to use.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

A monitoring device and method for monitoring impurity content of grain grains

ActiveCN109937684BRealize online monitoringReal-time understanding of residual informationMowersAgricultural engineeringWaste collection
The present invention provides a monitoring device and monitoring method for impurity content of grain grains, which is located outside the grain transporting device. The side wall of the grain transporting device has a grain picking port and a grain unloading port arranged up and down. The detection device includes: a grain picking device , installed at the grain collection port; the grain unloading device is installed at the grain unloading port, located below the grain collection device, and connected to the grain collection device through the first pipeline; the grain miscellaneous separation device includes a suction mechanism, an air flow pipe, and a miscellaneous collection barrel and the filter screen, the suction mechanism communicates with the top wall of the miscellaneous collection bucket through the airflow pipe, the side wall of the miscellaneous collection bucket communicates with the first pipeline, and the filter screen is placed in the miscellaneous collection bucket and is located above the first pipeline; The residual detection device includes a control device and two pressure sensors respectively installed at the bottom of the residual collection bucket and the bottom of the grain unloading device; the invention can monitor the trash rate of grain grains online, so that the operator of the harvester can know the trash content in the grain box in real time. remaining information.
Owner:JIANGSU UNIV

Ice storage tank structure that can enhance the efficiency of internal ice melting

InactiveCN102261724AIncrease ice melting efficiencyInternal melting method is highLighting and heating apparatusSpace heating and ventilation detailsHeat conductingIce storage
The present invention relates to an ice-melting structure in an ice storage tank that can enhance the efficiency of internal ice melting, especially an ice storage tank structure that uses fluid (refers to normal temperature air) to inject heat to melt ice, which is used in an ice storage air conditioner The system is provided with an ice storage tank, the ice storage tank is provided with a fluid input device, the fluid input device includes a delivery pump and a main delivery pipe, the main delivery pipe is further connected with at least one pipe, and the branch pipe has at least one outlet , the delivery port is correspondingly arranged at the outer periphery of the freezing tube close to the ice storage tank, thereby accelerating the heat conduction of the ice-melting part, changing its static state, and increasing its ice-melting and cooling rate, thereby achieving the best performance of the ice-storage air conditioner. The ice storage and cooling effect of the system.
Owner:NAT CHIN YI UNIV TECH

Radiation-prevention computer

The invention provides a radiation-prevention computer. The radiation-prevention computer comprises a host, a display screen, a radiation-prevention film and film grooves, wherein the host is connected with the display screen, the film grooves are arranged on the two sides of the display screen, the radiation-prevention film is arranged in the film grooves. The radiation-prevention computer has the advantages that the radiation-prevention film is arranged around the display screen of the computer, the radiation-prevention film can be drawn out of the film groove on one side and is fixed in the film groove on the other side after passing through the screen when required, and is placed in the film grooves when not required, so that too much space is not occupied, and the radiation-prevention film is also convenient to randomly carry.
Owner:TIANJIN MEIDA PETROCHEM CO LTD
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