54results about How to "Large amount of collection" patented technology

The invention relates to a planar spiral microphone array. The planar helix microphone array comprises an array camera, an array main body which are arranged at the center position and a plurality of microphones which are arranged on the array main body; the array main body is a plurality of planar spiral rigid spokes; the planar spiral microphone array is characterized in that: the microphones are distributed on cross nodes of n*n groined lines which are spaced uniformly in a plane, wherein n is an integral multiple of 15 or 21. The number of the planar spiral rigid spokes is 8, each rigid spoke is provided with 8 array elements, and the 64 array elements are distributed on the cross nodes of the 15*15 groined lines. The planar spiral microphone array has a simple and reliable structure,the number of support arms which are connected to each node is a few, influence on a sound field is less, and the detection precision is improved; the planar spiral microphone array adopts a fully rigid structure and is stable and reliable, so that an error which is caused by changes of an effective aperture because of flexible connection is avoided; and the planar spiral microphone array has theadvantages of multiple array element microphones, large information acquisition capacity, high positioning accuracy and wide positioning range.

The invention relates to a wheel type overland runoff sampling device which can be applied to large-scale road overland runoff automation sampling. The wheel type overland runoff sampling device comprises a fluid director, a pedometer, a vehicle wheel, a rotation motor, an electric controller, a memory and a chassis. The wheel type overland runoff sampling device is suitable for urban overland runoff sampling and is used for solving the current situation that usual pumping type and intercept type samplers can not effectively collect overland runoff due to the fact that water level of road overland runoff is low. Meanwhile, the wheel type overland runoff sampling device integrates the wheel type part, the sampler realizes movable sampling, the sampling area is effectively expanded, and the sampling efficiency is improved. A step counting device is designed, a stepping motor control circuit is combined, and overland runoff with various lengths can be classified and collected by the control circuit to realize sampling automation.

A data acquisition device for an oil pipeline flux leakage detector comprises a sensor array, an analog-digital conversion module, a level conversion circuit, a CPLD module and a power circuit. An input end of the sensor array is connected with a detected flux leakage field, a signal output end of the sensor array is connected with a signal input end of the analog-digital conversion module, a signal output end and a control end of the analog-digital conversion module are both connected with a signal input end of the level conversion module, a signal input end of the level conversion module is respectively connected with a signal input end and a control end of the CPLD module, an output end of the power circuit is respectively connected with the sensor array, the analog-digital conversion module, the level conversion circuit and the CPLD module. The data acquisition device for the oil pipeline flux leakage detector achieves the conversion from a three-axis analog signal acquired by the sensor array to a digital signal and transmits the digital signal to the CPLD module, the CPLD module caches the digital signal and transmits the digital signal to the next level, flux leakage detection precision can be improved, and tiny pipe wall defects further can be detected.

The invention provides a centrifugal blood component separation cup and method. The separation cup comprises a cup body, a stator and a separation core and is characterized in that the interior of thecup body is of a hollow structure, the stator of a hollow structure is arranged above the cup body, the stator is provided with a red-blood-cell outlet, a plasma outlet and a blood inlet, a blood drainage catheter is mounted inside the stator, a red-blood-cell drainage catheter and a plasma drainage catheter are arranged outside the blood drainage catheter, the separation core of a T-shaped structure is arranged on the upper portion of the interior of the cup body, a cavity is formed between the separation core and the cup body, the upper portion of the separation core is provided with two cavities, the outer cavity is a red-blood-cell buffer cavity, and the inner cavity is a plasma buffer cavity. The centrifugal blood component separation cup has the advantages that red blood cells are transferred out of the cup body through the red-blood-cell drainage catheter to allow more blood to enter the cup body and be separated so as to fast reach the target value of to-be-collected plasma, and the plasma donating time of a blood donor can be shortened while blood component separation quality is improved.

The invention discloses an underwater crusher used for crushing underwater sediments and ledges. The underwater crusher comprises cutter frames, crushing shafts are rotatably and horizontally mounted on the cutter frames and are in transmission connection with driving mechanisms, spiral propelling blades are arranged on the crushing shafts, each spiral propelling blade includes a left blade and a right blade, the rotating directions of each left blade and corresponding right blade are opposite, the left blades are positioned on the left sides of the crushing shafts, the right blades are positioned on the right sides of the crushing shafts, a plurality of cutting teeth are arranged on the crushing shafts in a spiral manner and on the back sides of the propelling faces of the spiral propelling blades, and the spiral rotating directions in which the cutting teeth are distributed are as same as the rotating directions of the spiral propelling blades where the cutting teeth are positioned. Retaining plates are arranged on the cutter frames and are wrapped on the upper portions and the rear portions of the spiral propelling blades in a semi-encircling manner, and material sucking ports are correspondingly arranged in the middles of the retaining plates and the crushing shafts. The underwater crusher can crush the underwater sediments and hard ledges rapidly, and crushed objects gather towards the material sucking ports in the middle and are sucked away; the underwater crusher is reliable in operation, not easy to wear, and long in service life.

The invention relates to a method for showing fingerprints through silanization nanometer magnetic beads. Traditional magnetic powder is replaced by silanization nanometer magnetic powder, the fingerprints are shown through a magnetic powder brush development method, then cast-off cells of the fingerprints can still be used for DNA extraction after fingerprint showing, the whole process is sensitively, conveniently and quickly carried out, the fingerprints can be clearly shown, and genomic DNAs extracted after fingerprint showing are high in purity and stable and reliable in quality. The method can be applied to conventional fingerprint showing in reconnoitering and case solving and can also be applied to cases which can not be recognized by people because of the common phenomena that fingerprints are incomplete, not neat and obscure and characteristics of the fingerprints can not be shown clearly in reconnoitering and case solving.

The invention discloses an environment monitoring device for geological exploration. The device comprises a feeding groove and two mounting plates. Two crushing rollers, a first screen and a second screen are arranged between the two mounting plates. Rotating rods are set in a first groove body and a second groove body. Spiral blades are fixedly mounted on the rotating rods. A material taking hopper is arranged on one side of a bottom end of a material conveying belt, a rotating motor is installed in a base, a supporting circular truncated cone is installed at an output shaft end of the rotating motor, four detection vessels are installed on the supporting circular truncated cone, a lifting air cylinder is installed at a bottom of a detection top base, and a soil detector is installed at abottom end of an output rod of the lifting air cylinder. The device can be used for collecting samples of soil with different depths and distinguishing the soil with different particle sizes, different detection requirements are met, multiple detection samples can be rapidly detected at the same time, the working efficiency is high, multiple samples are arranged for reference at the same time, and the reliability of detection data is ensured.

The invention provides a self-moving sediment gap water collecting device. The self-moving sediment gap water collecting device comprises an outer protection mechanism, wherein the outer protection mechanism comprises a storage box and a cover plate; an extrusion mechanism, wherein the extrusion mechanism comprises a screw, a limiting pipe, a pressing plate and a movable joint; a circulation mechanism, wherein the circulation mechanism comprises a pipe body, a sealing plate, a sealing cover, a drainage joint and a first spring, and the pipe body communicates with the bottom of the storage box,the pipe body is of a cuboid annular structure, the bottom layer inside the pipe body is connected with the sealing plate in a sliding manner, and the area of the sealing plate is larger than the area of the opening at the bottom of the pipe body; and a drainage mechanism, wherein the drainage mechanism comprises a drainage hose and a connector. The self-moving sediment gap water collecting device provided by the invention can be used for quickly collecting sediments and effectively separating gap water in the sediments, and the collecting and separating processes are both in a sealed environment.

The invention relates to a rapid sealing assembly with drawstring buckling for a star soil coring soft bag, and belongs to the field of star catalogue drilling and sampling mechanisms. The rapid sealing assembly with drawstring buckling for the star soil coring soft bag solves the problem that when sampling operation is carried out on an existing moon exploration project, a sealing journey of a sampling soft bag in the sealing process is long and affects the star soil collection quantity. A second sealing opening is located between a first sealing opening and an opening end of the coring softbag, wherein the first sealing opening comprises a first inhaul cable and a second inhaul cable, the two inhaul cables are used as wraps and symmetrically weaved on the coring soft bag, and the two ends of each inhaul cable are used as extending segments extending out of the coring soft bag. One extending segment of the second inhaul cable is wrapped with one extending segment of the first inhaulcable and buckling is performed, and the other extending segment of the first inhaul cable is wrapped with the other extending segment of the second inhaul cable and buckling is performed. First fracturing areas are arranged on the inhaul cables, the end part of the other extending segment of the first inhaul cable and the end part of the extending segment of the second inhaul cable are fixedly connected with limiting rings, and the first sealing opening and the second sealing opening have same structures.

The invention belongs to the technical field of a new energy vehicle and particularly relates to a new energy vehicle entire vehicle matching analysis system and a new energy vehicle entire vehicle matching data acquisition method and analysis method. The new energy vehicle comprises an entire vehicle controller, an engine, a generator and a driving motor, the analysis system comprises an embeddedsystem, a remote data access server, a data processing server and a computer, the entire vehicle controller is used for acquiring vehicle work condition parameters, the embedded system can upload theacquired information to the remote data access server, the remote data access server is used for transmitting the received data to the data processing server and storing the data in a database, and the computer is used for analyzing the information in the database. the system is advantaged in that parameter adjustment and calibration of system software of the entire vehicle controller can be carried out according to a power system energy saving optimization scheme under specific actual work conditions, work points of the generator system and the driving motor are made to distribute at the optimal areas, and the economical and energy-saving goal can be realized.

The invention relates to an air-water production machine. The air-water production machine comprises an air inlet mechanism; the air inlet mechanism comprises two air inlet components; each air inlet component comprises a base, a body and an annular air outlet pipe; each annular air outlet pipe is communicated with the corresponding base through the corresponding body. According to the air-water production machine, air is filtered and purified through various filtering layers in an air filtering component; meanwhile, bacteria are eliminated through an ultraviolet sterilization layer; reactive oxygen is produced through an HEPA (High Efficiency Particulate Air) layer, sleep quality is improved and human body immunity is enhanced, so that the air filtering effect of the air-water production machine is improved and functions are diversified; moreover, in each air inlet component, a driving motor drives fan blades to rotate through a driving shaft, the air which enters through an air through hole is pressurized in the body, and subsequently, the air is blown out from annular opening of the annular air outlet pipe, so that the air collecting amount is increased, and the produced water is subjected to further cleaning treatment to reach a drinking standard; therefore, the air-water production machine is high in practicability and has a very high market launching value.

The invention relates to an information collecting system for psychological evaluation of primary and middle school students, which relate to the technical field of psychological assessment. The information collecting system comprises a speech rate detecting module, a heartbeat detecting module, a tone detecting module, a questionnaire module, a video monitoring module, an operation module and a timing module; the speech rate detection module, the heartbeat detection module, and the tone detection module are all connected to the questionnaire module; the speech rate detecting module, the heartbeat detecting module and the tone detecting module are all connected with the operation module, and the speech rate detecting module and the tone detecting module are all connected with the video monitoring module; and the timing module is connected to the operation module, the questionnaire module and the video monitoring module respectively. The information collecting system can collect real-time data of the psychological state of primary and middle school students, greatly increases the collection amount of psychological information collection, provides more reference data for later data analysis, and is more practical.

The invention discloses a method for separating two bibenzyl compounds from ordinary oil tea camellia. The method comprises the following steps: (1) raw materials preparation, namely cleaning ordinary oil tea camellia, removing impurities, airing and crushing; (2) extraction, namely heating and extracting the ordinary oil tea camellia with an ethanol solution, filtering and concentrating to obtain concentrated liquid; (3) separation and purification, namely processing the concentrated liquid with macroporous resin, sequentially eluting with distilled water and the ethanol solution, respectively collecting, and merging eluants, so as to obtain an eluant mixture; (4) silica gel separation, namely concentrating the eluant mixture, carrying out silica gel chromatography, eluting with a mixed liquid of dichloromethane, methyl alcohol and water, and respectively collecting a target distillate fractions; and (5) liquid phase preparation, namely respectively concentrating the target distillate fractions, dissolving, and carrying out semi-preparation and collection with the liquid phase. Two target product components are confirmed by identification; the yields can be up to 37mg/kg and 200mg/kg; the purity is greater than 90%; and the method disclosed by the invention is simple and convenient in preparation process, and suitable for industrial production.

The invention provides a terahertz confocal microscopic imaging system. The terahertz confocal microscopic imaging system comprises a light source module, a data acquisition module, a data processingand image restoration module, an objective table module, an optical path transmission module and a spatial filtering module, wherein the objective table module is used for carrying, rotating and translating an object to be imaged, and sending the rotating translation two-dimensional information of the object to be imaged to the data processing and image restoration module; the optical path transmission module is used for transmitting terahertz beams to the data acquisition module along an optical path, the optical path is provided with two focal points, and the optical path penetrates throughthe object to be imaged; and the spatial filtering module comprises pinholes correspondingly disposed at the two focal points. The invention further provides an imaging method of the terahertz confocal microscopic imaging system. The terahertz confocal microscopic imaging system avoids the use of a beam splitting sheet, reduces energy loss, improves the imaging signal-to-noise ratio, and can realize rapid imaging of hidden objects; and in addition, the sub-millimeter pinholes are used for spatially filtering the terahertz beam, the transverse and longitudinal resolution ratio of imaging is improved, and finally the slice image of the object can be obtained.

The invention provides a soft X-ray detecting device for insects in fruits. The device comprises a bracket; a feeding hopper is arranged at one end of the bracket; a conveyor belt is arranged laterally on the bracket; an X-ray tube is arranged below the conveyor belt; and an image acquisition card is arranged above the conveyor belt. A display screen is arranged at the other end of the bracket. AnL-shaped pick-out plate connected to the bracket movably is arranged at one side of the conveyor belt. A driving wheel and a driven wheel are arranged in the conveyor belt; and an intermittent mechanism is arranged beside the driving wheel. According to the invention, no darkroom is needed; the operation becomes simple and convenient; the ray dose is lowest; the safety and reliability are high; the labor force is saved; and the manual observation is reduced. The soft X-ray detecting device has the great application and promotion value in the fruit insect detection field.

The invention relates to a ground negative-pressure oil extraction process and a device thereof. An oil extraction method comprises introducing a composition as follows into a stratum oil well and extracting oil by using a negative-pressure method; the composition is prepared from a main agent and a synergist, wherein the main agent is prepared from the following components in parts by weight: 15-25 parts of a betaine derivative, 3-7 parts of a glucoside derivative, 10-20 parts of alkane sulfonate, 5-10 parts of heterocyclic salt and 5-10 parts of naphthyl sulfonate; the synergist is preparedfrom at least two of the following components: 2-5 parts of guar gum, 3-5 parts of lignin and 2-5 parts of triethanolamine. Through the ground negative-pressure oil extraction process and the device thereof, the oil is extracted by adding the corresponding composition and the negative-pressure oil extraction process; the effect is obvious; through the interaction between the main agent and the synergist, the oil-water interfacial tension is greatly reduced, and the emulsifying capability is improved; the composition has high salt resistance and high resistance to high temperature, and is capable of resisting the special environment of a stratum and achieving a good oil extraction effect and high oil extraction mount during specific oil extraction.

The invention relates to a mouse submandibular venous blood collecting method, and belongs to the technical field of blood collection. The mouse submandibular venous blood collecting method comprises the following steps that 1, after a mouse is fixed, the blood collecting location is disinfected, wherein the blood collection location is the submandibular venous plexus blood vessel of the masseter edge at the back of the mandible of the mouse head; 2, lancet is vertically inserted into the blood collecting location and rotates clockwise by 90 degrees, the lancet is pulled out, and blood is collected. The blood collecting method is rapid, simple and small in trauma, blood collection can be conducted on the same blood collection location repeatedly, the blood collection capacity of each time is controllable, animals recover rapidly after blood collection and conform to the 3R principles, and very good application and popularization value is achieved.

The invention provides a 'hydraulic power spread wetland plant seed capturing device and method', and belongs to the technical field of ecological engineering. The capturing device is characterized bycomprising a buoyancy base and at least one conical net cover; the conical net cover is a conical structure of which the bottom surface is open, and a plurality of meshes are distributed in a conicalsurface of the conical net cover; a structure which can allow water and a plant seed to penetrate in but can stop the plant seed from penetrating out is arranged on each mesh; the bottom surface of the conical net cover is connected with the top surface of the buoyancy base; the capturing device can be fixed at a certain position in water through a fixing component; and buoyance F provided by thebuoyance base meets the following conditions: device G-0.8* water rho g device V</= buoyance F</= device G-0.4* water rho g device V; the device G means the weight of the capturing device, water rhomeans water density, g is a gravity coefficient, and device V means the volume of the capturing device. Compared with an existing device, the device and method have the advantages that the number of the captured seeds is greater by multiple times.

The invention provides a respiratory collecting tube for respiratory viruses. The respiratory collecting tube for respiratory viruses comprises a collecting tube body, a sealing plug arranged at the tube opening of the collecting tube body, an air blowing tube, an exhaust tube and preserving fluid; the collecting tube is internally filled with the preserving fluid, the air blowing pipe is arrangedoutside the collecting tube, penetrates through the sealing plug to the inside of the collecting tube and is inserted into the preserving fluid, and the exhaust tube is arranged outside the collecting tube, penetrates through the sealing plug to the inside of the collecting tube and is not in contact with the preserving fluid; and sealing is kept among the air blowing tube, the exhaust tube and the sealing plug. The respiratory collecting tube for respiratory viruse solves the technical problem of high false negative of a sample, caused by a respiratory virus collecting mode in the prior art.

The invention relates to a collection device and detection method for volatile gas in a black and odorous water body. The device comprises a stand column and is characterized in that a plurality of layers of metal frames are arranged on the stand column, silicon resin pipes are installed in the metal frames, supporting springs are inserted into the silicon resin pipes, two ports of each silicon resin pipe are connected with one ends of two stainless steel pipes on the outer sides of the metal frames respectively, and the other ends of the stainless steel pipes are in sealed connection with oneends of plastic pipes respectively; the other ends of the two plastic pipes are connected with a first connector and a second connector of a three-way valve respectively, and a third connector of thethree-way valve is connected with a drying pipe and a flowmeter through pipelines. Volatile gas generated in the bottom mud can be measured, and the volatile gas generated in the black and odorous water body can be collected more comprehensively.

The invention belongs to the field of detection devices, and specifically discloses a device for collecting and storing sweat specimens. The device includes a collection unit and a separation unit, wherein the collection unit includes a waterproof layer, a hydrophilic substance cladding which is arranged on the waterproof layer, a skin-friendly layer and a protective layer, the skin-friendly layeris arranged on the hydrophilic substance cladding, and the protective layer is adhered to both ends of the inner surface of the waterproof layer, and is detachably arranged on the waterproof layer; aplurality of air holes are formed in the skin-friendly layer, a sweat stimulant is adsorbed on the hydrophilic substance cladding, and the separation unit includes an outer tube, an inner tube and atube plug; the inner tube is placed inside the outer tube, the tube plug is placed on the upper end of the inner tube, and the upper part of the outer tube is capable of clamping the tube body of theinner tube so as to prevent the inner tube from slipping off; and multiple meshes for filtering out sweat are formed in the lower part of the inner tube. Through the device, sweat at any parts can becollected for a long time, the collection amount is large, and the sweat specimens are collected and stored, so that the sweat is analyzed more accurately, and feedback of the indicator conditions ofthe human body is obtained.