77 results about "Autoanalysis" patented technology

The present disclosure ensures reliability of analysis results by accurately pipetting a specimen and a sample in a predetermined pipetting amount. An automatic analysis device includes: a reagent holder configured to hold a reagent container that contains a reagent; a specimen holder configured to hold a specimen container that contains a specimen; a pipetting mechanism configured to pipette the reagent and the specimen into a reaction container; and a mass sensor configured to measure a mass of the reaction container. The mass sensor includes: a fixing portion; a diaphragm at least a part of which is fixed by the fixing portion; a piezoelectric element joined to the diaphragm; and a container placement portion that is supported on the diaphragm and is configured to hold the reaction container into which a liquid to be measured is discharged.

The utility model provides a low-temperature liquid vaporization sampling analysis system which comprises a vaporization input unit, an automatic analysis unit, a manual sampling unit, an automatic sampling unit, an analyzer and a sampling bottle, wherein the automatic analysis unit, the manual sampling unit and the automatic sampling unit are connected in parallel with the output end of the vaporization input unit; the input end of the vaporization input unit is connected with a low-temperature liquid medium, vaporizes low-temperature liquid and controls pressure to be output to the automatic analysis unit, the manual sampling unit and the automatic sampling unit; the automatic analysis unit monitors the pressure and temperature of the input medium and transmits the medium subjected to thermal compensation and pressure correction to the analyzer for analysis; the manual sampling unit manually controls pressure and deposits an input medium in a sampling bottle; the automatic sampling unit is used for automatically sampling a medium according to preset sampling parameters, so that high-purity and pressure-adjustable automatic sampling is realized. The device solves the problems of low efficiency, poor precision and insufficient safety of the existing low-temperature liquid analysis and sampling means.

The purpose of the present invention is to provide: an automated analyzer which makes it possible to reduce the amount of a cleaning agent used for cleaning a reaction vessel or a dispensing probe; and a method for cleaning the automated analyzer. To this end, an automated analyzer according to the present invention comprises: a dispensing probe which suctions a liquid that contains a sample and discharges the liquid into a reaction vessel; a control unit which estimates the viscosity of the liquid; and a sensor which is used for estimation of the viscosity. The control unit changes the concentration of a cleaning agent that is used for cleaning of the reaction vessel or the dispensing probe on the basis of the estimated viscosity. A cleaning method according to the present invention includes: a step in which the control unit estimates the viscosity of the liquid on the basis of a value detected by the sensor during suction of the liquid; and a step in which the control unit changes the concentration of a cleaning agent that is used for cleaning of the reaction vessel or the dispensing probe on the basis of the estimated viscosity.

Provided is an automatic analysis device capable of achieving reagent suction not affected by atmospheric pressure and stabilizing a reagent supply amount and a residual reagent amount. Provided are a suction nozzle (suction part) 3, a discharge nozzle (discharge part) 4, a syringe 10, and a control part 102 for controlling and driving the syringe 10 to suck liquid from a first container 1 through the suction nozzle 3 and to discharge the liquid sucked through the suction nozzle 3 into a second container 2 through the discharge nozzle 4. The control part 102 controls suction time per session of the suction nozzle 3 from the first container 1 on the basis of the outside atmospheric pressure or the altitude of an immunoassay device (automatic analysis device) 101.

A reaction cuvette according to an embodiment is used for measurement performed by an automatic analyzing device, and is a reaction cuvette that houses a mixed liquid of a reagent and a sample to be measured. The reaction cuvette includes a cuvette main body and an aspiration port. The aspiration port is disposed on the cuvette main body, and allows a fluid to flow into an inner part of the cuvette main body from a bottom surface side of the cuvette main body.

There are provided a hollow fiber degassing module that is superior in chemical resistance and allows for reduced contamination even in extended use in the degassing of constant temperature water, the automatic analysis device that includes it, a (bio)chemical analysis method in which this automatic analysis device is used, and a method for degassing the constant temperature water. To be exact, an automatic analysis device that carries out chemical analysis or biochemical analysis of a specimen, a (bio)chemical analysis method in which this automatic analysis device is used, and a method for degassing the constant temperature water include a constant temperature tank for maintaining a test tube containing the specimen within a certain temperature range and a degassing portion including a hollow fiber degassing module for removing dissolved gases contained in constant temperature water in the constant temperature tank, the degassing module including polyolefin resin or fluoropolymer hollow fiber membranes.

The purpose of the present invention is to provide an automatic analysis system capable of transporting used reagent containers while reducing the workload of a person. This automatic analysis system acquires the remaining amount of a reagent contained in a container, and transports the container containing the reagent in a second predetermined amount or more but less than a first predetermined amount from an automatic analysis device to a storage device. The container in which the reagent is accommodated in a third predetermined amount or more but less than the first predetermined amount is conveyed from the storage device to the automatic analysis device (fig. 10).

Systems and methods for monitoring water of a swimming pool or spa include containers or cartridges with one or more liquid reagents for automatic chemistry analysis of recreational water. The cartridges provide a store or supply of one or more reagents and may be quickly and easily replaced and replenished by a user. The cartridges may be self-sealing when the cartridge is not engaged with the monitoring device.

The invention relates to the technical field of water quality detection, in particular to an enterprise pollution source emission real-time checking method and system and a medium, and the system comprises a central control module, a sampling module, a disposal module and an analysis module; the sampling module comprises a shell and a regulating assembly mounted in the shell; the adjusting assembly comprises an equipment frame mounted in the shell, multiple groups of liquid pipe grooves are formed in the front side of the equipment frame, and reagent pipes are in threaded connection with the interiors of the multiple groups of liquid pipe grooves; in the scheme, the central control module is linked with the sampling module, the disposal module and the analysis module, so that automatic sewage collection, quantitative reagent injection and rapid mixing and automatic analysis and judgment of reaction images are realized, air bag plugging is triggered within 1-3 seconds when the reaction images exceed the standard, and meanwhile, detection data are locally stored for a long time and uploaded to a supervision platform; the problems of low efficiency, poor accuracy, emergency lagging and data incoherence of traditional checking are solved, and the scientificity and supervision effectiveness of real-time checking of the pollution source are comprehensively improved.

The present invention is provided with: a flow rate adjustment unit that adjusts the amount of cleaning liquid discharged from a cleaning nozzle (202) that discharges the cleaning liquid onto the outer wall of a sample dispensing probe (111b); a liquid level detector (210) that measures the capacitance of the sample dispensing probe (111b); and a controller (118) that obtains height information of the upper surface of the cleaning liquid on the basis of capacitance data measured by the liquid level detector (210) at a horizontal position at a cleaning position at which the sample dispensing probe (111b) is cleaned, and obtains a cleaning range of the sample dispensing probe (111b) at the horizontal position on the basis of the height information of the upper surface of the cleaning liquid. Whether or not the amount of cleaning liquid needs to be adjusted by the flow rate adjusting unit is determined on the basis of the determined cleaning range.

The cleaning state of a dispensing nozzle in an automatic analysis device can be determined in a shorter time. An automatic analysis device according to one embodiment of the present invention is provided with: a dispensing nozzle that sucks and discharges a liquid; a cleaning unit that supplies a cleaning liquid to the outer wall and the interior of the dispensing nozzle; a capacitance measurement unit that measures capacitance between the dispensing nozzle and the reference potential portion; a control unit that controls the dispensing nozzle and the cleaning unit; and a determination unit that performs determination based on the measured capacitance. The capacitance measuring unit measures capacitance in a time interval including a period in which the dispensing nozzle discharges the sucked liquid in a state in which the cleaning unit supplies the cleaning liquid to the outer wall and the interior of the dispensing nozzle. The determination unit determines a cleaning-related state of the dispensing nozzle on the basis of capacitance data indicating the capacitance measured in the time interval.

The dispensing mechanism, after drawing the mixed solution (103) in the reaction vessel (102) using the nozzle (101), ejects the drawn mixed solution again into the reaction vessel, thereby stirring the mixed solution. At the time of ejecting the mixed solution again into the reaction vessel, the nozzle is moved upward at a slower speed than the speed at which the liquid level of the mixed solution is raised by the ejection of the mixed solution from the nozzle during a first period (time T2 to T3), and the speed at which the nozzle is moved upward is lower than the speed during the first period during a second period (time T3 to T4) immediately after the first period.

The purpose of the present invention is to provide an automatic analysis device that reduces residues between liquids and achieves high dispensing accuracy. To this end, this automatic analysis device is provided with: a dispensing mechanism that dispenses a sample housed in a sample container or a reagent housed in a reagent container into a reaction container by operating a syringe connected to a nozzle; and a control unit that controls the dispensing mechanism, the control unit performing a discharge operation for operating the syringe in a discharge direction after the dispensing mechanism sucks the sample or the reagent and before the dispensing mechanism discharges the sample or the reagent into the reaction container, the discharge operation including: a first discharge operation for discharging the sample or the reagent into the reaction container, and a second discharge operation for discharging the sample or the reagent into the reaction container; the operation is performed in a state in which the nozzle is located at the position of the sample container or the reagent container; and a second discharge operation performed midway when the nozzle moves from the position of the sample container or the reagent container to the position of the reaction container, the amount of operation of the syringe in the first discharge operation being smaller than the amount of operation of the syringe in the second discharge operation.

When dispensing multiple liquids simultaneously, the system minimizes liquid films and residues generated during the aspiration of liquids drawn before the liquid targeted for anomaly detection, enabling high-accuracy detection of anomalies during the dispensing of the liquid targeted for anomaly detection. The automated analysis device includes a container holding fluid, a pressure source, a probe for dispensing fluid into the container, and a flow path connecting the probe and the pressure source. The automated analysis device has multiple levels for aspirating air at different speeds, either when aspirating air into the probe or into a suction head mounted at the tip of the probe, and the level is used based on at least one of the type of fluid or the volume of air aspirated.

The present invention relates to an electrically conductive pipette mounting adapter, a sample tube opening and closing device, and a sample automatic analysis system, and more particularly to an electrically conductive pipette mounting adapter, a sample tube opening and closing device, and a sample automatic analysis system that integrally perform dispensing of a liquid sample, extraction of nucleic acid, amplification, and detection. A sample tube opening and closing device includes a housing (110) forming an internal space isolated from the outside, including a door portion (120) for transporting a multi-well plate (20) for biological samples having a plurality of sample tubes (10) for containing biological samples into and out of the internal space; and a sample tube opening and closing portion provided in the internal space apart from the multi-well plate (20) for biological samples, automatically opening and closing the sample tubes (10).

Systems and methods for automatic analysis of underlying electrochemical mechanisms of various electrochemistry systems are described. The automatic analysis can reduce manual analysis performed by humans to a minimum. Electrochemical mechanisms of electrochemical systems measured by cyclic voltammograms can be characterized, categorized and ranked. The deep learning-based processes can provide qualitative, semi-quantitative, and / or quantitative results to deconvolute complex electrochemical systems.

The automatic analyzer includes one or more common analysis units to be sharedly used in the first analysis process step and the second analysis process step, and a control section 3 for controlling an operation of the common analysis unit. The first analysis process step is executable repeatedly in each first cycle time. The second analysis process step is executable repeatedly in each second cycle time. The second cycle time is set as a positive integer multiple of the first cycle time. The first cycle time includes a first time zone, and a second time zone which is not overlapped with the first time zone. A first time chart is provided to operate the common analysis unit for performing an operation unique to the first analysis process step in the first time zone, and to operate the common analysis unit for performing an operation unique to the second analysis process step in the second time zone.

The present invention is provided with: a first liquid delivery pump (201) that delivers, to a sample dispensing probe (207), first cleaning water for cleaning the sample dispensing probe (207); a first pressure sensor (202) that is provided in a first cleaning flow path (301) connecting the sample dispensing probe (207) and the first liquid delivery pump (201), and that detects the pressure in the first cleaning flow path (301); a second pressure sensor (205) that is provided in the first cleaning flow path (301) at a position closer to the sample dispensing probe (207) than the first pressure sensor (202), and that detects the pressure in the first cleaning flow path (301); and a determination unit (208) that determines an abnormality in at least one of the first pressure sensor (202) and the second pressure sensor (205) by comparing a first pressure value output by the first pressure sensor (202) and a second pressure value output by the second pressure sensor (205).

An automatic analysis device (100) is provided with an electrolyte measuring section (114) that performs measurement of an internal standard solution at least once before measurement of a potential of a sample, and in a case where measurement of the potential of the sample by the electrolyte measuring section (114) is continuously performed, the measurement operation of the internal standard solution before the measurement of the potential is changed depending on whether or not the sample measured the previous time is a high-concentration sample. Thus, an automatic analysis device and an automatic analysis method of a sample are provided, which can reduce carrying when performing electrolyte measurement, ensure measurement accuracy, and achieve improvement of the processing capacity of the entire device.

The invention provides an intelligent carbon, sulfur and nitrogen analysis system, and relates to the technical field of carbon, sulfur and nitrogen analysis, the intelligent carbon, sulfur and nitrogen analysis system comprises a scrap sample collection device, a pneumatic sample feeding system, a robot, a milling machine, a crucible treatment furnace, a carbon and sulfur instrument and an oxygen and nitrogen instrument, the scrap sample collection device, the pneumatic sample feeding system, the robot, the milling machine, the crucible treatment furnace, the carbon and sulfur instrument and the oxygen and nitrogen instrument form an automatic gas analysis ring; automatic sample preparation, automatic analysis and automatic result uploading of carbon, sulfur and nitrogen are realized. According to the intelligent carbon, sulfur and nitrogen analysis system, samples are sent to a laboratory from a steelmaking site in a pneumatic mode, after the samples are received by a pneumatic receiving end, a robot moves to clamp the samples to a milling machine for sample preparation, the prepared blocky samples are used for spectral analysis, meanwhile, scrap samples are collected for carbon, sulfur and nitrogen analysis, and the scrap samples are conveyed to a designated mechanism through an air pipe; weighing in a crucible, automatically analyzing by using a gas analyzer, adopting helium as a carrier gas by using an oxygen-nitrogen instrument, and firstly analyzing and then degassing.

Such a parts anomaly detection system is provided as being able to detect the anomaly of the parts of the liquid transport system of the automatic analyzer without delay. The parts anomaly detection system to detect the anomaly of the parts of the liquid transport system (22) which absorbs and discharges liquid with respect to a sensor (21) for sample inspection of an automatic analyzer (1) comprises: storage devices (31, 41) to store data of electric signals outputted by the sensor and processing devices (32,42) to process the data recorded in the storage devices, in which the processing devices detect the anomaly of the parts of the liquid transport system based on the electric signals.

1. Name of the design product: on-line detection and analysis machine. 2. Use of the design product: the design product is used for automatic analysis machine for continuously or periodically detecting chemical composition or certain physical properties of substances in chemical production process (i.e. on-line). 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

Provided is an automatic analysis device that can prevent overflow of a waste liquid even when a liquid level sensor in a waste liquid buffer has failed or there has been some kind of trouble or processing delay in control by a computer.　An automatic analysis device according to the present invention comprises an analysis unit that analyzes a sample, a retention part that is connected to the analysis unit via a first channel and temporarily retains a waste liquid that is generated by the analysis unit, a waste liquid accommodation part that is connected to the retention part via a second channel and can accommodate waste liquid that is being retained at the retention part, a first detection unit that detects that the waste liquid retained at the retention part has reached a first liquid level, a second detection unit that detects that the waste liquid retained at the retention part has reached a second liquid level that is higher than the first liquid level, a control unit that performs control to open a second valve that is provided to the second channel when a detection has been made by the first detection unit, and a shutoff unit that performs control to close a first valve that is provided to the first channel when a detection has been made by the second detection unit.

The invention relates to a concentration control method and system for a chemical copper deposition liquid medicine. The method comprises the following steps: automatically sampling a chemical copper deposition tank liquid; automatically analyzing the sampled bath solution to obtain an analysis result of at least one liquid medicine component, and automatically calculating the addition amount of the corresponding liquid medicine component according to a preset process rule; an analysis result and calculated adding amount data are collected from a first PLC control system of the on-line automatic analysis system through a data collecting and monitoring system; issuing the calculated adding amount data to a second PLC control system of the chemical copper deposition production line through a data acquisition and monitoring system; and a second PLC control system of the chemical copper deposition production line controls a corresponding metering pump to add the liquid medicine according to the adding amount according to the received adding amount data. The invention provides a concentration control method and system for chemical copper deposition liquid medicine, and aims to realize automatic management of liquid medicine concentration and improve process stability and product quality.