27results about How to "Fast sampling speed" patented technology

The invention discloses rock core drilling sampling equipment for geological disaster investigation, and relates to the technical field of sampling, and the rock core drilling sampling equipment comprises a composite mechanism. According to the rock core drilling and sampling equipment for geological disaster investigation, through the design of a composite mechanism, the motor is connected with the butt joint block, and the drill rod is inserted into the inner side of the butt joint block, so that drilling and sampling are conducted on rocks, in the drilling process, the movable frame slides on the outer side of the sliding column so as to ascend and descend, and therefore the work requirement is met; a drill bit mechanism is arranged on the outer side of the drill rod, large rocks are crushed through the drill bit mechanism in the drilling process, meanwhile, rock blocks are guided to enter the inner side of the drill rod, so that a sample is taken out when the movable frame body is lifted subsequently, subsequent treatment is facilitated, and after sampling is finished, the drill bit mechanism is used for crushing the large rocks and guiding the rock blocks to enter the drill rod. When the sample is taken out from the inner side of the drill rod, the sample is taken out more cumbersomely and difficultly, the pushing and pressing mechanism is pressed by the electric push rod, so that the effect of discharging the sample is achieved, and normal operation of equipment is kept.

The utility model relates to the technical field of geological mineral exploration equipment, in particular to sampling equipment for geological mineral exploration, which comprises a movable base and a sampling mechanism arranged on the movable base. The sampling mechanism comprises a vertical displacement assembly arranged on the movable base, a sampling pipe sleeve rotationally arranged on the vertical displacement assembly, a sampling pipe detachably connected to the sampling pipe sleeve, and a transmission assembly which is arranged on the movable base and the vertical displacement assembly and is in transmission connection with the sampling pipe sleeve; the transmission assembly can drive the sampling tube to rotate; the sampling pipe can rotate while moving up and down through the transmission assembly, friction force between the sampling pipe and the geology is reduced, the bottom of the sampling pipe is in a tooth shape, the sampling pipe can cut into a sample more easily, and the sampling speed is effectively increased; the sampling pipe is composed of the first semicircular pipe and the second semicircular pipe, the mode that the T-shaped sliding block is in sliding fit with the T-shaped sliding groove is adopted, mounting and dismounting are convenient, rapid cleaning and sample taking are facilitated, and the overall sampling efficiency is further improved.

The present application relates to the technical field of electrospray mass spectrometry analysis devices, and in particular to a rapid sampling spray needle device, which comprises a nanospray needle and a nanospray box disposed on the rear end of the nanospray needle; a negative pressure chamber connected to the rear end of the nanospray needle is disposed in the nanospray box, and the cavity wall of the nanospray box at the negative pressure chamber is made of a deformable and restorable material. The present application has the effect of facilitating the nanospray needle to simply and quickly take samples.

The sampling hold circuit relates to the technical field of sampling hold circuits and comprises a unit follower, a negative capacitance module, a first sampling switch module, a second sampling switch module and a sampling capacitor, and a first output end of the unit follower and a second output end of the unit follower are connected with the negative capacitance module. The unit follower is connected with the input end of the first sampling switch module and the input end of the second sampling switch module at the same time, and the output end of the first sampling switch module and the output end of the second sampling switch module are connected with the sampling capacitor at the same time. According to the invention, the negative capacitor module is connected in parallel with the sampling capacitor through the first sampling switch module and the second sampling switch module, so that the total equivalent load capacitance of the output end of the unit follower is smaller than that of the sampling capacitor in the sampling stage, and the signal bandwidth and the load capacity of the sampling hold circuit are increased; and the sampling precision and the sampling speed of the sampling hold circuit are improved.

The minimally invasive sampling device comprises a sampling head, the sampling head comprises a first shell and a second shell, the first shell and the second shell are arranged to be of the same shape, one end of the first shell and one end of the second shell are arranged to be of a hemispherical structure, and the first shell and the second shell are arranged to be of a hollow structure; a blade outlet groove is formed between one end of the first shell and one end of the second shell; connecting rods are fixedly connected to the sides, close to each other, of the first shell and the second shell, a rotating rod is fixedly connected between the outer sides of the two connecting rods, torsional springs are connected to the outer sides of the connecting rods and located in the rotating rod, a cutting knife is fixedly connected to the outer side of the rotating rod, and the cutting knife is of an arc-shaped structure and is eccentrically connected with the rotating rod. Compared with a traditional capsule-shaped clamping sampling device, the device has the advantages that the area of a sampled sample is larger, a wound is narrower, and the recovery speed can be higher. Therefore, the effective examination area can be increased, the discomfort of a patient can be effectively reduced, the risk of wound infection is reduced, and the healing process of a wound is accelerated.

The utility model discloses an intelligent sampling device used in a full-automatic chemiluminiscence instrument, which comprises a sampling box provided with an air pressure type full-automatic sampling and collecting structure; the air pressure type full-automatic sampling and collecting structure comprises a sampling cavity, an observation box door, a storage table, a pair of first linear module translation tables, a pair of connecting rods, a movable frame, a second linear module translation table, a telescopic lifting assembly, a switch valve, a suction pump, a connecting pipe, a corrugated hose and a piston sampling assembly; the utility model relates to the technical field of sampling devices, and has the beneficial effects that the problems that the quantity is large, the sampling speed is low, errors are easy to occur due to manual sampling operation, components of detected samples are mixed, the sampling efficiency is high, and the like in the conventional sampling process that a detector extracts layered sample liquid from a centrifugal tube by using a sampling dropper are solved; and the detection effect is influenced.

The invention discloses a device for collecting and detecting plankton in water, and relates to the technical field of plankton collection and detection.A combined treatment frame is fixed to the top end of a relay mounting frame, a lifting motor is mounted on one side of the top end of the combined treatment frame through a motor base, and a diving lead screw is clamped to an output shaft of the lifting motor; the side end of the diving screw rod is connected with a lifting special convex block through a screw rod seat, a positioning sliding barrel is fixed to the position, away from the diving screw rod, of the inner side of the combined treatment frame, and a plurality of linkage sliding barrels are slidably connected to the inner side of the positioning sliding barrel at equal intervals in a sleeving mode. Compared with the prior art, different sampling operations and multi-position simultaneous collection cannot be carried out on multiple positions at the same time, multiple sets of different sampling operations are matched with one another, multi-point-position sampling is achieved, the sampling speed is effectively increased, the influence of sampling point positions and sampling sample quantity on a test result is reduced, and the collection and detection accuracy and the collection efficiency are improved.

The present invention relates to the technical field of sampling equipment, and specifically to a sampler for a bulk material conveying system, comprising a sampling tube assembly, a transfer assembly and a cylinder; the sampling tube assembly comprises an internal sampling tube and an outer tube sleeved on the outer periphery of the internal sampling tube, and the internal sampling tube can move forward and backward relative to the outer tube; one end of the outer tube is connected to a material conveying pipeline, and the other end is connected to the transfer assembly, a cylinder is installed on the transfer assembly, the cylinder is connected to one end of the internal sampling tube, and the other end of the internal sampling tube is blocked; a sampling hole and a discharge hole are provided on the internal sampling tube; an air inlet and a sampling port matched with the sampling hole are provided on the outer tube; an air inlet channel connected to the air inlet and the sampling hole is provided in the middle liner. The present invention adopts an inner and outer tube design, which not only realizes pneumatic sampling, has a fast sampling speed, reduces the residence time of the internal sampling tube in the pipeline, and ensures smooth fluid delivery, but also can prevent the internal sampling tube from being damaged, thereby increasing the service life of the internal sampling tube.

The invention discloses a skin surface oil rapid sampler, comprising a gripping rod, a paper tape roll, a supporting head and a traction mechanism, wherein the lower end of the gripping rod is provided with a supporting head, a traction mechanism and a paper tape roll in sequence from bottom to top, the traction mechanism pulls the paper tape unwound from the paper tape roll through the supporting head, and the paper tape on the supporting head is fitted and fixed on the supporting head by the traction mechanism. Compared with the prior art, the sampling speed can be improved and the use is convenient.

The invention belongs to the field of molecular biology research of pangolins, and particularly relates to a rapid non-destructive sampling method of Chinese pangolins, which comprises the following steps: scraping oral saliva on the inner wall of the oral cavity of the Chinese pangolins by using a sterilized disposable swab with a cotton swab at the top; the method comprises the following steps: putting a disposable swab adhered with the oral saliva of the Chinese pangolin as a sample into a centrifugal tube filled with DNA (Deoxyribose Nucleic Acid) preserving fluid; and then extracting the DNA of the sample. The method disclosed by the invention has the technical advantages of saving resources, protecting wild animals and quickly and effectively extracting the DNA of the pangolin sinensis.

This invention provides a broadband atomic terahertz detection method and apparatus, relating to the field of terahertz detection and imaging technology. The method includes: generating a time-coded sequence using an arbitrary waveform generator; controlling a microwave switch to perform orthogonal coding modulation on a terahertz field to generate a terahertz differential signal carrying coded information; applying the terahertz differential signal to Rydberg atoms in an atomic gas cell to convert terahertz information into changes in the transmitted light intensity of the probe light, and converting the optical signal into an electrical signal; synchronously demodulating and acquiring the electrical signal to generate a measurement vector; and reconstructing the original terahertz time-domain waveform from the measurement vector using a compressed sensing reconstruction algorithm. This invention, by combining superheterodyne detection and time-domain computational imaging algorithms, overcomes the physical limitations of the bandwidth of atomic detectors, achieving rapid and high-resolution detection of broadband terahertz signals while maintaining their high sensitivity advantages.

The invention relates to the technical field of chemical industry, and discloses a liquid chemical raw material safety production sampling detection device, which comprises a sampling box, and the sampling box is internally provided with a liquid chemical raw material sampling structure and a cleaning mechanism. The liquid chemical raw material sampling structure comprises a fixed plate, a liquid pump, an inserting plate, a storage box, a fixed base, a limiting sliding rod, a spring, a sliding sleeve, a clamping ring, a limiting ring, a material injection hose, a connecting pipe, a universal rotating joint and a liquid chemical raw material sample tank. According to the sampling detection device for safety production of the liquid chemical raw materials, automatic extraction and injection of samples are achieved through the liquid chemical raw material sampling structure, direct contact of workers is reduced, safety is improved, meanwhile, the design of a clamping ring and a limiting ring guarantees safe placement and fixation of a liquid chemical raw material sample tank, and the safety of the liquid chemical raw material sample tank is improved. The risk caused by manual operation is avoided, the sampling speed is increased, and the efficiency is improved.

The utility model relates to the technical field of water body samplers, in particular to a nanofiltration osmotic pump sampler which comprises an osmotic pump, the osmotic pump comprises a water inlet cavity, a water outlet cavity and an osmotic membrane, the water inlet cavity is filled with deionized water, anion exchange resin and cation exchange resin, and the water outlet cavity is filled with saturated draw liquid and solid draw substances. The solid absorbing substance is used for maintaining the concentration of the penetrating fluid after being dissolved, so that osmotic pressure is formed on the two sides of the osmotic membrane, water molecules enter the water outlet cavity from the water inlet cavity through the osmotic membrane, and the osmotic membrane is a nanofiltration membrane with the pore diameter being more than 1 nanometer; and substances formed after the solid-state absorbing substances are decomposed are bivalent and above high-valence ions or the outer diameter of the substances is greater than the aperture of the nanofiltration membrane. Water flow velocity on two sides of the osmotic membrane is increased by increasing the aperture of the osmotic membrane, so that water sampling speed is increased, types of drawn liquid are correspondingly changed, pressure difference on two sides of the osmotic membrane is maintained, and flow velocity of the osmotic pump is maintained.

The present invention belongs to the field of rapid detection and release of pharmaceutical raw materials and auxiliary materials, and provides a handheld near-infrared spectrum detection method and device, comprising: obtaining sample infrared spectrum data and performing preprocessing; performing band selection based on the preprocessed sample infrared spectrum data to obtain infrared spectrum data of the sample to be detected; automatically establishing a near-infrared qualitative inspection model based on the infrared spectrum data of the sample to be detected; using a multi-level release strategy to judge the near-infrared qualitative inspection model to determine whether the near-infrared qualitative inspection model is correct; if correct, performing inspection according to the near-infrared qualitative inspection model, and storing the inspection result in a material database; if wrong, not storing the sample in the material database, and performing chemical inspection on the sample; the present invention adopts an automatic multi-level release strategy to avoid the risk of misjudgment of release by a single method, and solves the problem that a traditional modeling method requires a large amount of manpower to collect spectra of multiple samples.

The present invention discloses a sampling cabin for a novel coronavirus throat swab, including a main cabin and an auxiliary cabin, the auxiliary cabin surrounds the main cabin and is connected to the main cabin, the main cabin and the auxiliary cabin are both closed cabins, the main cabin and the auxiliary cabin are respectively provided with airtight doors, the main cabin is a positive pressure cabin, the auxiliary cabin is a negative pressure cabin, the main cabin and the auxiliary cabin are both provided with purification air conditioners and disinfection equipment, and the main cabin and the auxiliary cabin are both provided with an exhaust gas emission purification system; the purification air conditioner and the disinfection equipment on the main cabin are independently arranged from the purification air conditioner and the disinfection equipment on the auxiliary cabin, and an operation hole is provided on the panel connected to the main cabin and the auxiliary cabin, and the operation hole sleeve is provided with an arm sleeve, and the arm sleeve seals the operation hole. The present invention can protect both medical staff and the sampled person and the waiting person, can be used for the protection of novel coronavirus sampling, can also be used for the sampling protection of other respiratory diseases, and the equipment is easy to assemble at the same time, and its form and size can be changed with different needs and the specific conditions of the site, and it is highly practical.

The utility model provides an import and export food safety detection device, which relates to the technical field of food safety detection, and comprises a detection table, a shell arranged on one side of the top of the detection table, a sampling hopper arranged on the top of the shell, and a sampling assembly arranged in the sampling hopper, the collecting assembly is arranged at the bottom of the sampling hopper and is used for collecting juice of the fruit and vegetable food. According to the import and export food safety detection device, fruit and vegetable food is continuously pressed through the sampling assembly, juice of the fruit and vegetable food is squeezed out, the juice of the fruit and vegetable food can be rapidly obtained to serve as a detection sample, the problem that time and labor are wasted when the detection sample is obtained through knocking and smashing is solved, and the food detection work efficiency is improved; juice samples of the fruits and vegetables can be conveniently collected through the collecting assembly, sampling can be completed without a filtering auxiliary tool, the sampling speed is increased, and meanwhile the workload of cleaning the tool is reduced.

The invention relates to the technical field of concrete detection, and discloses a sampling device for bridge concrete detection, the sampling device comprises a supporting seat, a driving part and a sampling barrel, the supporting seat is provided with two stand columns, the sampling device also comprises a carrier plate horizontally arranged between the two stand columns, and the carrier plate is in sliding connection with the two stand columns; the driving part is arranged on the carrier plate; the sampling barrel is rotationally connected to the bottom end of the carrier plate; each clamping piece comprises a push rod and an arc-shaped clamping plate, the push rod is arranged on the arc-shaped clamping plate, the push rod is slidably connected to the sampling barrel, and a first elastic piece is arranged on the push rod; the arc-shaped clamping plate is positioned in the sampling barrel; the lantern ring is arranged between the two stand columns on the supporting base, and the top face of the lantern ring is provided with an inclined face. The sampling barrel penetrates through an inner hole of the lantern ring; the rotary cutting ring is connected with the sampling barrel through a second elastic piece; according to the sampling device for bridge concrete detection, when a concrete sample block with a large diameter is sampled, the concrete sample block can be directly and completely taken out along with the sampling barrel, a special clamping tool does not need to be adopted, and the operation is simple.

A method for using a manual dispensing device for inspecting foam cosmetics, characterized in that the manual dispensing device for inspecting foam cosmetics used comprises a sampling unit, a sample storage unit and a sample dispensing unit; the sampling unit comprises a sampling rod, the outer side of the rod is a brush structure, a first circular card plate and a scraping ring are arranged on the top and upper part, and a rectangular card plate is arranged on the bottom. The sample storage unit is a sample storage cylinder, a sample storage cavity is arranged inside, a first annular limit card plate and a second annular limit card plate are arranged on the top and bottom, and a sample dispensing tube is arranged in the center. The sample dispensing unit comprises a sample dispensing rod, a second circular card plate is arranged on the top, and a sealing rubber ring is arranged on the bottom and the outer side wall. When in use, the sample is stirred first, and the sampling rod brush is attached to the sample and then inserted into the sample storage unit, and the scraping ring scrapes the sample on the brush to the sample storage cavity. Then the sample dispensing unit is inserted into the sample storage unit, and the sample dispensing speed and amount are controlled by pushing down the second circular card plate. The whole device has a simple structure and is easy to operate, and can effectively take and discharge foam cosmetic samples.

The utility model relates to the field of polypropylene particle production, especially a kind of sampling and material taking device for polypropylene particle production, including the blanking tube, storage frame, shield cover, feed pipe and blanking port etc., storage frame is located in the right side of blanking tube, blanking tube lower part is connected with shield cover, shield cover is rotatably connected with feed pipe, storage frame left part upper side is connected with blanking port, feed pipe is rotatably connected with blanking port.The utility model passes through polypropylene particle and flows into blanking tube and is discharged, simultaneously through feed pipe rotation opening, part polypropylene particle will drop into feed pipe, and polypropylene particle is conveyed by screw conveying leaf rotation, from blanking port sliding out and falling into sampling cylinder and sampling, by rotating plate rotation switching sampling cylinder sampling, to be able to automatically sample polypropylene particle when production simultaneously realizes continuous sampling, it is easy to operate, reduces manual intervention, ensures production quality, improves sampling and production efficiency.

The utility model discloses a soil rapid sampling device, including drill rod and drill bit, and drill rod is connected with drill bit still includes rotating part and pressure platform, and the end of drill rod is on pressure platform, and pressure platform applies the pressure to drill bit through drill rod towards formation and makes drill bit enter formation, and drill rod passes through rotating part, and rotating part is driven to be connected with drill rod, and rotating part drives drill rod and drill bit rotate along the axis. Compared with traditional arm strength to add the mode of down pressure, leg strength is stronger, and the body weight is coordinated, and can increase the down pressure, and is supplemented with drill rod rotation, improves the sampling speed, and the labor greatly reduces, secondly, through the leg pressure, and the gravity center is lower, and the body does not need to incline the body, guarantees the stability of the body itself, and the safety is improved.

The present application discloses a gas-tight sampling device, which belongs to the field of gas sampling technology, and includes a sampling joint, a sleeve, a sampling bottle, an operating rod, a connecting structure, a blocking plate, a reinforcement structure, an opening and closing structure, and a triggering structure. The opening end of the sleeve is detachably connected to the sampling joint through a connecting structure, the blocking plate is used to block the sampling joint, and the reinforcement structure is used to fix the blocking plate and the sampling joint; the sampling bottle has a coaxially arranged annular partition, and an annular piston body slides in the piston cavity; the operating rod is used to release the fixing of the blocking plate by the reinforcement structure through the opening and closing structure, and the operating rod is used to drive each piston body to slide in turn through the triggering structure. The present application can realize sampling of the sampling bottle directly in the production environment, while taking into account the airtightness of the production environment before and after sampling, thereby improving the accuracy of sampling detection.

This utility model discloses a sampling device for detecting particulate matter in exhaust gas, including a mounting shell, an exhaust fan, a sampling tube, and a push-pull component. A rotating seat is rotatably mounted inside the mounting shell, and multiple placement slots are provided on the rotating seat. An installation slot is provided on one side of the mounting shell, and a connecting pipe is installed inside the installation slot. A connecting assembly is provided on one side of the sampling tube. The connecting assembly includes a second connecting port. A hexagonal tube is provided on one side inside the sampling tube, and a spring is provided on the outside of the hexagonal tube. A hexagonal rod is slidably mounted inside the hexagonal tube, and a baffle is provided on the spring. This utility model allows air to be drawn into the sampling tube by the exhaust fan. After sampling, the air is extracted. The spring pushes the baffle, causing the second sealing ring to adhere to the inside of the second connecting port. Therefore, by continuously rotating the rotating seat and pushing and pulling the push-pull component, air can be delivered to multiple sampling tubes, thereby completing the sampling process and effectively accelerating the sampling speed.

The utility model discloses an automatic feed quality monitoring and sampling device which comprises a spectrograph, one end of the spectrograph is provided with a sample sensing area, and the bottom of the other end of the spectrograph is provided with a handle convenient to hold; one end of the sampling tube is movably connected with a sample sensing area of the spectrograph, and the other end of the sampling tube is provided with a spine part which is conveniently inserted into the feed; the driving device is arranged in the spectrograph and is used for driving the sampling tube to move and rotate, so that the feed is conveyed to the sample sensing area through the sampling tube to be detected; and the bag clamping device is arranged outside the sample sensing area and is convenient for clamping a feed bag. According to the sampling device, automatic sampling and rapid quality detection of feed are achieved through the spectrograph, the sampling pipe and other assemblies, the moisture content and the crude protein content of the feed can be automatically recognized, numerical values are displayed on a display screen of the spectrograph, and the feed quality monitoring efficiency and accuracy are improved.

The utility model is suitable for the technical field of environmental protection equipment, and provides a dry anaerobic fermentation device which comprises a fermentation device body, a sampling piece and an external force conduction piece, wherein a sampling pipe is arranged on the side wall of the fermentation device body, the sampling piece is arranged in the sampling pipe, and the external force conduction piece drives the sampling piece to guide materials in the fermentation device body to the outside; therefore, a worker can drive the sampling piece to sample materials tightly wound in the fermentation device body through the external force conduction piece, the sampling efficiency is high, and the sampling speed is high.

The invention belongs to the technical field of food detection, and discloses food inspection sample storage equipment with a classification function, which comprises a storage assembly, a fixing assembly mounted in the storage assembly, and a sampling assembly arranged at the bottom of the fixing assembly. A pushing block is pulled to drive a clamping block to extrude the outside of an air bag, meanwhile, after the air bag is stressed to exhaust internal air, external air can be sucked from the bottom of a sampling pipe due to loss of extrusion force, a liquid sample is sucked into the sampling pipe, the sucked sample is filtered by a filtering block, and the sampling effect is improved. The solid sample is prevented from being sucked into the sampling tube, the situation that liquid samples and the solid samples can be sampled only by taking different sampling devices, the working time of detection personnel is prolonged, the detection efficiency is reduced, and cross infection is easily caused when the sampling devices are replaced is reduced. Meanwhile, the accuracy of food sample data detection is improved.

The invention belongs to the technical field of bacterium sampling, and provides a burn wound surface unit area bacterium sampling device which comprises a pushing unit, a bearing unit and a sampling unit, the pushing unit comprises a protection block, a sliding groove is horizontally formed in one side of the protection block, a butt joint groove is formed in the bottom of the protection block, and the sliding groove communicates with the butt joint groove; a first telescopic rod is fixedly connected into the sliding groove, a containing hole is horizontally formed in the output end of the first telescopic rod, the bearing unit comprises a storage box, and the top end of the storage box is attached to the inner wall of the butt joint groove; after sampling is completed, a first telescopic rod is started, so that the output end of the first telescopic rod gradually retracts, the stress of a second elastic piece and the stress of a third elastic piece are reduced, the second elastic piece and the third elastic piece push a sealing plate and an adjusting plate to reset correspondingly, and a sampling pipe is sealed in a shell; bacteria in the air are prevented from entering the sampling tube, so that the situation that a detection result is inaccurate is avoided.

The invention relates to the technical field of glue production, in particular to a building glue production device with a function of sampling at any time, which comprises a stirring tank, a fixed cover, a fixed frame, a spiral stirrer and the like, a stirring tank is mounted on the fixing frame; a discharging pipe is arranged on the stirring tank; a fixed cover is arranged on the stirring tank, and a feeding pipe used for adding auxiliaries is arranged on the fixed cover; and two spiral stirrers are rotationally connected to the fixed cover. The sampling pipe is blocked through the fixing pipe, the sample discharging pipe is closed through the stopping rod, and the action that the sampling rod moves rightwards is matched, so that negative pressure is formed in the sample containing cavity, glass cement is actively sucked, the sampling speed is increased, the sampling rod is controlled to move towards the stirring tank, and the glass cement in the sample containing cavity is pushed into the stirring tank; glass cement for sampling can be continuously added for production, and the inner wall of the sampling pipe is cleaned while the glass cement is pushed into the stirring tank.