76 results about "Autosampler" patented technology

The invention relates to the technical field of biological analysis, in particular to a fish and crustacean biological analysis device which comprises a placing frame and a mobile phase solvent bottle placed in the upper portion of the placing frame, a vacuum degassing box is connected to the lower portion of the placing frame, and a high-pressure pump box is connected to the lower portion of the vacuum degassing box. A sample injection box is connected to the lower part of the high-pressure pump box, a detection box is connected to the lower part of the column oven, an automatic sample injector is arranged in the sample injection box above the placing frame, and a chromatographic column is connected to the interior of the column oven. According to the biological analysis device for the fishes and the crustaceans, through slight shaking in multiple directions, the uniform shaking efficiency and effect of a sample solution in the sample solvent bottle can be improved, the situation that particles settle to the bottom of the bottle and are layered due to long-time standing of the sample solvent bottle is avoided, the concentration of the sample solution sucked by an automatic sample injector is uniform, and the accuracy of the sample solution is improved. Therefore, the accuracy of the detection result of the biological analysis device can be improved, and the biological analysis work of fishes and crustaceans cannot be influenced.

Systems and methods for automated cap removal with an autosampler system are described. In an aspect, an autosampler system includes, but is not limited to, a sample rack; a sample vessel stabilizer configured to transition the sample rack between a load / unload state and a lock state; an uncapper supported by a first z-axis support; and a sample probe supported by a second z-axis support, wherein the uncapper is configured to remove a cap from a sample vessel held by the sample rack when the sample rack is in the lock state, and wherein the uncapper is configured to change the position of the removed cap to permit access to an interior of the sample vessel by the sample probe without removing the sample vessel from the sample rack.

1. The name of the design product: liquid autosampler. 2. The use of the design product: quantitatively inputting and outputting liquid samples, and providing automatic sampling function for instruments requiring liquid samples. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo best indicating the design points: perspective view.

This product is an autosampler (sample collection device) used for dispensing samples such as liquids. As shown in the reference diagram illustrating the usage state, this product comprises an arm that is movable in the X direction and an injection unit attached to the arm that is movable in the Y direction. This product is used by appropriately changing the positions of the arm and the injection unit above a plurality of test tubes supported by a rack or the like, and injecting the sample from the injection unit into any test tube.

The utility model discloses an automatic sample injector of a fluid chromatography system, which comprises a cylinder body, the right end of the cylinder body is fixedly connected with a liquid discharge pipe, the left end of the cylinder body is fixedly connected with a communicating pipe, the upper end of the communicating pipe is fixedly connected with a fixed pipe, the top of the cylinder body is fixedly connected with a hydraulic cylinder, and the top of the cylinder body is fixedly connected with a liquid discharge pipe. The output end of the hydraulic cylinder is slidably connected with the barrel, the lower end of the output end of the hydraulic cylinder is fixedly connected with a pressing rod, the lower end of the pressing rod is fixedly connected with a pressing plate, a conveying mechanism is arranged on the liquid discharging pipe, and a supplementing mechanism is arranged on the communicating pipe. Through the design of the hydraulic cylinder, the output end of the hydraulic cylinder can drive the pressing plate and the sealing ring to move downwards, samples in the barrel body can be extruded and input into the liquid discharging pipe, the baffle can be pushed to move rightwards to be separated from the liquid discharging pipe to achieve automatic sample feeding work, the baffle cannot move leftwards, and the situation that follow-up detection work is affected by backflow of the samples can be avoided.

The invention discloses a continuous flow method carbonate carbon and oxygen isotope determination method based on nitrogen instead of helium. The method comprises the following steps: carrying out nitrogen purging on a headspace bottle filled with a sample by using high-purity nitrogen carrier gas; the headspace bottle added with phosphoric acid for reaction is put into an automatic sample injector, and CO2-containing mixed gas to be detected is carried by high-purity helium carrier gas to be transferred in an analysis gas path; in the transferring process, target gas CO2 in the CO2-containing mixed gas to be detected is purified, and N2O generated in the ion source and N2 transmitted into the ion source by the helium carrier gas are diluted; the helium carrier gas carrying the target gas CO2 and the diluted N2O and N2 sequentially enters a gas isotope mass spectrometer for determination after passing through a continuous flow shunting interface, and a carbon and oxygen isotope test result of the target gas CO2 is obtained. According to the invention, the technical prejudice that only helium flow can be adopted for purging the headspace bottle in the prior art is overcome, the high-precision test result of the carbonic acid rock carbon and oxygen isotope can be obtained, and the test cost is reduced.

Systems for washing a probe, such as a pipette of an autosampler. The systems comprise a magnetically active component disposed within a probe cleaning well. Application of a magnetic field to the magnetically active component draws cleaning fluid into the well. The accumulating cleaning fluid spills over an edge of the well and is drained away, while fresh cleaning fluid is drawn into the well.

The utility model relates to detection equipment for continuous sample introduction of electronic gas absorption liquid. The detection equipment comprises an ion chromatograph, a peristaltic pump and at least one group of sample introduction components, each group of sample introduction assembly comprises a plurality of gas absorption bottles, a cleaning bottle and a first switching valve, the first switching valve is provided with a plurality of first liquid inlets and a first liquid outlet, the gas absorption bottles and the cleaning bottle are respectively communicated with the corresponding first liquid inlets, the first liquid outlet is communicated with the ion chromatograph, and the first liquid inlet is communicated with the ion chromatograph; a peristaltic pump for providing power for liquid feeding of the ion chromatograph is arranged on an output pipeline of the ion chromatograph; the detection equipment disclosed by the utility model adopts a simple and low-cost structure to replace an existing automatic sampler, and a high-cost long-time nitrogen protection mode is not needed; under the condition of ensuring that the samples are not in contact with the external environment, automatic and continuous sample injection of a plurality of samples is realized, and the accuracy of ultra-trace detection of anions and cations in the electronic gas absorption liquid can be ensured in a specific detection scene aiming at the electronic gas absorption liquid.

The present application provides a flow path cleaning method for an automatic sampler, which can balance the decrease of analysis throughput and the increase of cleaning solution consumption. In a flow path cleaning process (S12), when a cleaning solution is supplied by a cleaning solution supply mechanism to a flow path switched by a flow path switching mechanism among a first flow path including a nozzle for sucking a sample and a sample ring for holding the sample sucked from the nozzle, and a second flow path including a cleaning tank for cleaning at least an outer wall of the nozzle, a control device changes a flow rate of the cleaning solution supplied between measurement of a first measurement item of the sample and measurement of a second measurement item of the sample, based on first cleaning information indicating a cleaning mode corresponding to the first measurement item of the sample, and second cleaning information indicating a cleaning mode corresponding to the second measurement item of the sample measured after the first measurement item.

The utility model discloses an automatic sample injector sample disc of an element analyzer. The automatic sample injector sample disc comprises an upper disc, a lower disc and an air interference prevention cover, the middle of the lower disc is rotationally connected with the upper disc, a second through hole is formed in the edge of the lower disc, first through holes which are evenly distributed are formed in the edge of the upper disc, the second through hole corresponds to the vertical adjacent first through hole in the vertical direction in position, helium used by instrument reference gas is clean, the path of helium can be used, and the path of helium can be used; the helium gas purges the sample in the sample introduction disc through the through hole II and the through hole I; the air interference prevention cover is movably arranged on the upper surface of the upper disc in a sleeving mode and can prevent helium from being directly emptied through the second through holes and the first through holes, the intercepted helium is dispersed into all vacancies of the sample disc to eliminate original air interference, and the first through holes are all located in the lower end of the air interference prevention cover; the clamping holes of the sample disc of the automatic sample injector of the elemental analyzer are communicated through the grooves, so that purging helium can flow through the surface of a sample for purging, and original air interference can be eliminated.

An electrophoresis device of the present disclosure includes: a capillary filled with a phoresis medium; a buffer container accommodating a buffer solution; a storage portion storing a sample container accommodating a sample; at least one autosampler transporting each of the sample container and the buffer container; and a control unit controlling driving of the autosampler, in which the control unit drives the autosampler such that, while the buffer container is disposed at a capillary position where one end portion of the capillary is positioned, the sample container is transported from the storage portion to a standby position near the capillary position, and, when the buffer container has been transported from the capillary position to the standby position, the sample container is transported from the standby position to the capillary position.

The utility model relates to the technical field of detection equipment, in particular to an automatic sampler of a gas chromatograph-mass spectrometer. Comprising a base, a rotary feeding mechanism, a material disc, a sample bottle and a sample injection mechanism, the sample injection mechanism comprises a mounting plate, an air cylinder, a movable plate, an abutting ring, a sliding arm, a connecting pipe, a sample injection needle, an in-place switch, a locking block, a descending device and a locking device, the descending device acts to drive the sample injection arm to descend so that the sample injection needle can descend to be inserted into the sample bottle, and then extraction equipment is started; the control system controls the descending device to act to drive the sample injection needle to move upwards to be separated from the sample bottle, at the moment, the abutting ring keeps abutting against the top of the sample bottle, so that the sample bottle cannot be taken away from the material disc when the sample injection needle moves upwards, and then the air cylinder acts after the sample injection needle moves upwards and resets; the movable plate is pushed to move upwards, then the locking device is reset, and the rotary feeding mechanism continuously feeds the sample, so that the sample bottle can be prevented from being taken out of the sample injection mechanism by the sample injection needle during sample injection.

The application discloses a kind of full-automatic specific surface area analyzer auxiliary devices, including automatic sampler, vacuum joint and sample tube locking mechanism, automatic sampler includes drive part, sample rack, drive part drives sample rack and moves horizontally between first position, second position, and lifts between first working position, second working position Action;Vacuum joint is installed at first position, with flexible sealing interface that can be inserted with sample tube and is communicated with vacuum channel and can be sealed;Sample tube locking mechanism is installed at second position, including clamping table with sample tube entrance, flexible locking ring installed on clamping table and locking drive unit, flexible locking ring has sealing mouth for sample tube insertion, and locking drive unit extrudes flexible locking ring relative to clamping table to make flexible locking ring lock sample tube.The application can realize sample tube automatic feeding and locking, and assist specific surface area analyzer to complete full-automatic test.The application also discloses a kind of specific surface area analysis system.

The invention aims to simplify setting of automatic continuous analysis. A control device (700) included in a sample analysis system is provided with: selection receiving units (701, 702, 706, 707) for displaying buttons corresponding to each sample container (201) inside an autosampler (200) and each liquid supply unit (300, 400, 500) provided outside the autosampler, and allowing a user to select an appropriate button; meanwhile, a liquid supply control unit (703) is provided which, when a button corresponding to the sample container is selected, controls the autoinjector so as to insert the injection needle (206) into the sample container corresponding to the button, and which, at the same time, controls the flow path switching valve so as to connect the autoinjector and the sample analysis device. When the button corresponding to the liquid supply part is selected, the control unit controls the flow path switching valve to connect the liquid supply part corresponding to the button to the sample analyzer, and controls the autosampler to make the sample injection needle (206) reach the standby position (209) at the same time.

Provided is an autosampler of a liquid chromatograph that can manage a sample container even in a case where the throughput of a pretreatment unit exceeds the throughput of the autosampler.An autosampler of a liquid chromatograph includes a plurality of sample aspiration nozzles that aspirates a sample from sample containers installed at respective sample aspiration points; a sample transfer means that transfers the sample containers to the respective sample aspiration points; and a retraction point where one of the sample containers is put into the autosampler and one of the sample containers collected from the sample aspiration points can be held.

Systems and methods for preventing the release of metal particles from an autosampler that might otherwise be detected within a sample during sample analysis are described. In an exemplary embodiment, an autosampler system includes, but is not limited to, a sample probe support structure; a z-axis support; an outer shuttle coupled with an outer surface of the z-axis support; and an inner shuttle linearly movable within an interior volume of the z-axis support, the inner shuttle being magnetically coupled with the outer shuttle to transfer linear motion of the inner shuttle to the outer shuttle.

An autoinjector (100) for liquid chromatography, which collects a sample from a sample vial containing the sample using a mobile injection needle (114) and injects the sample into a mobile phase flowing toward an analysis column, is provided with a sample holder (104), the sample holder has one or more tray mounting regions (120) on which sample bottle trays for holding the sample bottles are mounted, and is disposed at a position specified by the sample introduction needle (114) so as to be able to collect samples from the sample bottles. The tray mounting region (120) of the sample holder (104) is defined as a flow-through sample bottle mounting region for mounting flow-through sample bottles (200).

The utility model discloses an automatic sampler for detecting alcohol in blood and urine, which relates to the technical field of clinical detection and comprises a base, a mounting frame is fixedly mounted on one side of the base, an electric control lifting component and two groups of positioning frames are respectively and fixedly mounted on one side of the mounting frame, and one ends of the two groups of positioning frames are fixedly connected with a limiting cylinder. Limiting rods are in threaded connection with the interiors of the limiting cylinders, a measuring tube is arranged between the two sets of positioning frames, positioning cylinders are fixedly installed on the two sides of the measuring tube respectively, and one end of each limiting rod is movably clamped into the corresponding positioning cylinder. According to the measuring tube cleaning device, by rotating the two limiting rods, one ends of the limiting rods slide out of the positioning cylinder, limiting of the positioning rods to the measuring tube is relieved, the measuring tube is placed in the ultrasonic cleaning machine to be cleaned, bloodstain in the measuring tube is fully removed, the bloodstain in the measuring tube is prevented from polluting follow-up experimental samples, and it is ensured that the detection result is accurate and errorless.

The utility model relates to the technical field of automatic sample injectors, and discloses an automatic sample injector with a novel driving structure, which comprises a fixed bottom plate and a supporting bottom plate, a threaded block is assembled in the middle of the front end of the supporting bottom plate, and a first reserved hole is formed in a sample injection plate. The sample injector bases are installed on the two sides of the front end of the supporting bottom plate, the reserved grooves are formed in the sample injector bases, the protective cotton is fixed to the inner walls of the reserved grooves, and the sample injection plate and the sample injector bases are connected and installed through the connecting bolts. The forming positions of the first preformed holes correspond to the forming positions of the preformed grooves in a one-to-one mode, so that sample bottles to be detected can be inserted and placed through the first preformed holes, at the moment, the bottoms of the sample bottles are inserted to the positions of the preformed grooves, and the sample bottles are supported and protected by the protective cotton, so that the sample bottles have good anti-collision protection capacity after bottom supporting; in this way, in the working process, the travel safety is well improved, and the shaking phenomenon is reduced.

Disclosed herein are scientific instrument support systems, as well as related methods, computing devices, and computer-readable media. For example, in some embodiments, samples are tracked using unique identifiers. An autosampler may detect the samples using unique identifiers and provide alerts when the sample is placed in the wrong location or when an incorrect or incompatible workflow is selected for the sample.

1. Name of the product in this design: Electronic Nose Autosampler. 2. Purpose of this design: to replace manual labor and enable odor analysis of large batches of samples. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

A technique is provided that shortens the setup time for analytical methods by pretreating samples using SPE columns before analysis in the analytical unit. In the analytical system, a first flow path (21) includes one or more solid-phase separation columns. Samples from an autosampler (10) are introduced into either the first flow path (21) or the second flow path (22). The samples are then conveyed from either the first flow path (21) or the second flow path (22) via a switching valve (30) to the analytical column and detector (50) within the column oven (40). Sample purification is performed in the first flow path (21), while it is not performed in the second flow path (22).

The invention discloses an automatic determination system for a jet fuel water separation index. The automatic determination system comprises an automatic sample injector, an emulsifying and filtering device, a sample receiving and detecting device and a system control device, the automatic sample injector is used for supplying a sample to be detected; the emulsifying and filtering device comprises a sample pool, a liquid adding unit, an ultrasonic emulsifying unit and a propelling unit; the sample receiving and detecting device comprises a moisture coalescer, a sample detecting tube and a light detecting unit which are connected through a pipeline; the bottom of the sample pool is communicated with an automatic sample injector and a moisture coalescer through a valve group; the light detection unit comprises a light source and at least two light detectors; and the system control device is used for controlling the operation of each execution component in the automatic sample injector, the emulsifying and filtering device and the sample receiving and detecting device. According to the determination system, an automatic determination process of sample introduction, emulsification, filtration and optical detection can be realized, the detection efficiency of the water separation index of the jet fuel and the accuracy and reliability of a detection result are remarkably improved, and the dependence on the proficiency of operators is reduced.

The utility model relates to an autosampler with constant temperature function, including box body, box door, sample placing tray, sample introduction component, mechanical arm, control panel, constant temperature subassembly, box door is provided on the box body, sample placing tray is provided in the cavity of box body front part, sample introduction component is provided on the right side of sample placing tray, mechanical arm, control panel, constant temperature subassembly, said box door is provided on the box body front part. The mechanical arm is arranged on the rear side of a cavity in the front portion of the box body, the control panel is arranged in the cavity in the rear portion of the box body, and the constant temperature assembly is arranged in the inner wall of the box body. The constant-temperature assembly comprises a first fluid pipeline, a second fluid pipeline and constant-temperature circulation equipment. The first fluid pipeline, the second fluid pipeline and the constant-temperature circulating equipment are matched with one another, so that constant-temperature storage of a sample in the automatic sample injector is realized.

A method of automated sample preparation for thermal analysis includes picking up, with an automated gripping system of an autosampler, a pan located in a pan well of a sample tray; and performing an automated sample preparation procedure including at least one of: providing the pan to a balance module by the automated gripping system, wherein the balance module is configured to perform weight measurement on the pan; and providing the pan to a crimping module by the automated gripping system after a sample is loaded into the pan, wherein the crimping module is configured to seal the pan with an automated crimping process.

Systems and methods for controlling sample dilution in an analytical instrument system comprise transmitting an injection command to an autosampler to inject a predetermined volume of air into a sample tubing coupled to an analytical instrument; and transmitting, subsequent to the injection of the predetermined volume of air, a fill command to the autosampler to aspirate a volume of sample into the sample tubing, wherein the predetermined volume of air is configured to form an immiscible barrier between the volume of sample and a solvent within the sample tubing.

1. Name of the product in this design: Electronic Tongue Automatic Sampler. 2. Purpose of this design: to achieve automatic cup changing and testing; to complete taste scanning and automatic cleaning to avoid cross-contamination. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: the front view.

The utility model discloses an anti-collision needle structure of a UHPLC (Ultra High Performance Liquid Chromatography) automatic sample injector, belongs to the technical field of analytical instruments, and mainly solves the problems that a sample injection needle is easy to collide with parts such as a sample disc and a sample bottle under the condition of long-time operation or improper operation of the automatic sample injector in the prior art, so that the sample injection needle is damaged or the sample injection fails, and the sample injection efficiency is high. The anti-collision needle structure solves the problems that an existing anti-collision needle structure is complex in structure, high in cost or poor in effect even if anti-collision measures exist, and comprises an anti-collision needle photoelectric fixing metal plate, the anti-collision needle photoelectric fixing metal plate is tightly fixed to a spring fixing base through a plurality of counter bores, and a spring upper base is arranged in the spring fixing base in an inserted mode. The top of the spring upper seat is fixedly provided with an anti-collision-needle photoelectric blocking piece through two counter bores, the anti-collision-needle photoelectric blocking piece is located on one side of the anti-collision-needle photoelectric fixing metal plate, the anti-collision-needle photoelectric blocking piece can play a role in triggering photoelectricity, and a spring baffle is installed at the bottom end of the spring upper seat in a threaded mode.