274 results about "Laboratory device" patented technology

The invention provides an AI-based laboratory equipment scheduling optimization method and system, and the method comprises the steps: firstly obtaining a state monitoring data set containing the characteristics of equipment operation power consumption, idle time length, environment interference factors and the like in real time, and then carrying out the multi-dimensional analysis of the state monitoring data set; generating an availability evaluation index set containing characteristics of equipment load fluctuation, maintenance period prediction, compatibility matching and the like, and an experiment task priority queue, performing cross decision analysis on the availability evaluation index set and the experiment task priority queue based on a preset dynamic resource allocation model, and obtaining a scheduling strategy set containing a task allocation path, a cooperative operation rule and a conflict resolution mechanism; scheduling strategy parameters are calibrated according to experimental task operation log data, an optimized execution instruction set is generated, instructions are fed back to an equipment control system to adjust the equipment state, a dynamic resource allocation model is iteratively updated according to execution feedback data, and efficient scheduling optimization of laboratory equipment is achieved.

The invention provides a micro-nano processing laboratory equipment information control method and device. The method comprises the following steps: acquiring user login information; calling item information to which a user belongs, user experiment reservation information, user associated equipment information and user historical query information according to the user login information; predicting the attention weight of the user to each piece of laboratory equipment management information in combination with the user identity permission, the item information to which the user belongs, the user reservation experiment information, the user associated equipment information and the user historical query information; adjusting the display sequence and the detailed degree of each piece of laboratory equipment management information in combination with the attention weight; and the data board is used for sending laboratory equipment management information to the user according to the display sequence and the detailed degree.

The invention discloses a laboratory risk control method based on a graph neural network, and the method comprises the following steps: S1, constructing a dynamically updated interaction event graph based on an interaction event sequence of laboratory equipment, personnel and environment; s2, dynamically updating the state space of each node according to the event preorder relation, and generating a synchronous node state sequence; s3, generating an early warning feature set of a node state change trend by adopting a graph convolution operation; s4, constructing an inter-node risk incidence matrix according to the early warning feature set, and generating an updated risk propagation path; s5, evaluating the probability of transition from the node state to the abnormal state, and generating a state risk prediction value; and S6, inputting a wolf pack optimization algorithm, and optimizing a parameter combination to obtain a laboratory risk prediction result. According to the invention, the real-time performance and accuracy of laboratory risk prediction are improved.

The invention discloses a method for determining the demulsification speed of emulsified asphalt, and relates to the technical field of online detection and intelligent monitoring of road engineering materials, and by integrating a lightweight time sequence prediction model and a self-adaptive processing mechanism, the practicability and reliability of the determination of the demulsification speed of the emulsified asphalt are remarkably improved; in the aspect of portability, an edge model based on a gating circulation unit structure is adopted, so that the dependence on computing resources is reduced, the method can be operated on handheld equipment, the problem that traditional laboratory equipment is heavy is avoided, and construction personnel can conveniently and quickly deploy the equipment on site; the real-time performance is enhanced, the adaptive sliding window dynamically adjusts the window length and step length according to the data stability to ensure that the inference frequency is matched with the demulsification process, and the model can immediately respond to environmental changes such as temperature fluctuation and output a demulsification speed estimated value without obvious delay in combination with an online learning mechanism, so that the paving and compacting opportunities are guided; and construction interruption is reduced.

The invention discloses a safety early warning method and system, and the method comprises the steps: obtaining environment data and equipment data corresponding to each piece of laboratory equipment, the environment data and the equipment data being data collected by a detection sensor corresponding to the laboratory equipment, and deploying at least one piece of laboratory equipment in a laboratory, a single laboratory device is correspondingly provided with at least one detection sensor, and the detection sensor is detachably installed in the communication network of the access server; comparing the environment data and the equipment data with a preset parameter threshold to obtain a comparison result; inputting the equipment data and the environment data into a pre-trained anomaly evaluation model for identification to obtain an anomaly score; determining an abnormal event and an early warning strategy corresponding to the abnormal event according to the comparison result and the abnormal score; and sending the early warning information to the target early warning equipment to indicate the target early warning equipment to execute the early warning strategy. According to the invention, the timeliness and accuracy of the detection and response of the laboratory abnormal event are improved.

In one embodiment, a method is disclosed to determine one or more biological cells of interest to identify and count in a mixed biological sample fluid with differing biological cells. The method can include selecting cell markers associated for biological cells to which conjugated antibodies can attach with differing fluorescent dyes; displaying a panel builder graphical user interface window to display a co-expression matrix by biological cell type to assist in selecting cell markers to assign co-expression; and selecting cell markers to assign co-expression with an input device.

The invention discloses a laboratory equipment fault diagnosis and maintenance decision generation system based on a large language model, and relates to the technical field of fault diagnosis. According to the system, a cross-device and multi-data type intelligent maintenance system in an AI For Science black light laboratory scene is constructed, standardized processing and intelligent fusion of multi-modal data are realized, and fault diagnosis, root cause tracing and executable maintenance decision generation are enabled through association of a large language model and knowledge, so that the maintenance efficiency is improved. A self-learning optimization closed loop is formed based on decision feedback and a knowledge vector library, the maintenance operation convenience is improved in combination with man-machine collaborative interaction, manual misjudgment and downtime are reduced, intelligent, standardized and traceable support is provided for full-life-cycle operation and maintenance of black light laboratory equipment, and the maintenance efficiency is improved. The problems that traditional maintenance is slow in response and low in accuracy, fault diagnosis lacks semantic understanding and causal reasoning ability, operation and maintenance knowledge is difficult to accumulate and inherit, and a full-life-cycle maintenance closed loop is lacked are solved.

The invention provides a semiconductor experiment platform experiment reservation process auxiliary method and device, a storage medium and equipment, and the method comprises the steps: obtaining the login information of basic information inputted by a user in a semiconductor experiment platform, and calling the related information of the user from the semiconductor experiment platform according to the login information of the user, the associated information comprises user basic information, user communication records and user historical experiment records; generating a user portrait according to the associated information; obtaining an experiment reservation process node of a user on the semiconductor experiment platform; and generating experiment appointment process prompt information of the semiconductor experiment platform in combination with the experiment appointment process node and the user portrait. Specific experiment reservation process prompt information is generated by combining the specific portrait of the user and the experiment reservation process node where the user is located, so that the semiconductor experiment platform can remind different users and specific experiment reservation contents. And the user process node management efficiency of the semiconductor experiment platform and the operation efficiency of laboratory equipment are improved.

A computer-implemented method of automatic registration of a device in a laboratory system comprising:transmitting from the to be registered device specific information to a managing unit (“unit”) via a first interface;the unit requesting a solution specific configuration from a remote infrastructure via a second interface, receiving the solution specific configuration from the remote infrastructure via the second interface, and transmitting the solution specific configuration to the device to be registered via the first interface, the solution specific configuration being based on the device specific information and configuration information about the laboratory system; andtransmitting a request from the unit comprising updated solution specific configuration to the laboratory devices, the updated solution specific configuration comprising information about the device to be registered and changes due to addition of said device, wherein the laboratory configuration step comprising providing the updated solution specific configuration to the remote infrastructure.

The utility model belongs to the agricultural product pesticide residue detection technical field discloses a device for detecting agricultural product pesticide residue, including base frame, the base of base frame is opened and has colorimetric card placing groove and optical magnifying glass placing groove, broken jar, broken jar includes broken jar body and the jar cover of sleeve joint installation in the top of broken jar body, the broken structure is integrated on the jar cover, conveying chamber, conveying chamber is installed in the bottom of broken jar body, and the bottom of conveying chamber is threadedly matched and is connected with filter cover, filtrate container, filtrate container can be detachably installed on the base of base frame, and filtrate container is located the just below of conveying chamber, and the base of base frame is opened and has the clamping groove corresponding with filtrate container, and the clamping groove is adapted to filtrate container. The utility model breaks through the space limit of traditional laboratory equipment by integrating the compact base frame of broken, filter, colorimetric analysis function, supports the field fast screening of field, exempts power dependence simultaneously manual operation design, reduces use cost significantly.

A laboratory ore crushing device belongs to the technical field of laboratory equipment and comprises a crushing barrel, a crushing hammer, a silencing mechanism, a guide mechanism, a clutch mechanism and a hoisting mechanism. The crushing barrel is arranged in the silencing mechanism; the guide mechanism is arranged at the upper part of the crushing barrel; the breaking hammer is arranged in the guide mechanism; the clutch mechanism is arranged between the upper part of the breaking hammer and the hoisting mechanism; the silencing mechanism comprises a base, an outer cylinder body, a sealing cover and a silencing cotton interlayer; the guide mechanism comprises a conical cap section and a straight pipe section; the clutch mechanism comprises an iron attracting block, an electromagnet and a wireless remote controller; the hoisting mechanism comprises a support, a first fixed pulley, a second fixed pulley, a movable pulley, a rope and a hook. The laboratory ore crushing device has the advantages of being simple in structure, low in cost and capable of saving time and labor, accurate control over the hammering force can be achieved, dust and noise pollution can be avoided, the crushing barrel is easier to clean and maintain, and cross contamination of follow-up experimental samples is avoided.

A method of assigning an additional test to an existing aliquot sample tube or to a primary sample tube in a laboratory automation system is presented. The laboratory automation system comprises a workflow control unit and analytical laboratory devices in communication with the workflow control unit. The method comprises receiving an additional test request for the existing aliquot sample tube after processing of the existing aliquot sample tube has started, determining if the existing aliquot sample tube is at a retrievable target, waiting until the existing aliquot sample tube reaches a retrievable target if not at a retrievable target, determining if an aliquot timeout has occurred once the existing aliquot sample tube is at a retrievable target, reassigning the addition test to the primary sample tube if an aliquot timeout has occurred, and performing the additional test from the existing aliquot sample tube if no aliquot timeout has occurred.

The present invention relates to a rotor (1) for laboratory equipment (100), particularly for a centrifuge, wherein the rotor (1) comprises a rotor body (2) having a receiving volume (3) and a cover (4) by means of which the receiving volume (3) in the rotor body (2) can be closed. The rotor (1) is characterized by a locking mechanism (5) having at least one locking element (6) movable from an open position to a locked position and a receiving portion (7) corresponding to the at least one locking element (6), wherein the at least one locking element (6) engages in the receiving portion in the locked position to lock the cover (4) to the rotor body (2), wherein the at least one locking element (6) is movable between its unlocked position and its locked position by means of a preferably rotatable operating element (8) arranged at the cover (4).

The invention relates to the technical field of laboratory devices, in particular to an intelligent intraperitoneal injection auxiliary fixing device for laboratory mice, which comprises a basic bearing module, and a mouse fixing module, a pressure monitoring module, a control module, an indication module and a power supply module which are mounted on the basic bearing module, wherein the mouse fixing module is used for fixing a mouse, the mouse fixing module comprises a lower arc-shaped latticed clamping plate, an upper arc-shaped clamping plate, a connecting piece and a hook lock, the lower arc-shaped latticed clamping plate and the upper arc-shaped clamping plate are connected through the connecting piece, and the upper arc-shaped clamping plate and the lower arc-shaped latticed clamping plate are jointly matched to clamp the mouse; the abdomen of the mouse faces the lower arc-shaped latticed clamping plate, the hook lock is used for fixing the upper arc-shaped clamping plate and the lower arc-shaped latticed clamping plate, the pressure monitoring module can monitor the stress condition of the mouse in real time, compressive stress or suffocation of the mouse is avoided, and animal welfare is improved.

This application discloses a self-maintenance method and system for laboratory fume hoods, and a laboratory fume hood itself. The self-maintenance method includes: self-testing after the fume hood system starts; self-maintenance execution, including self-cleaning of the duct regulating valve and self-calibration of sensors; fault diagnosis, collecting electrical parameters and sensor detection data in real time, and performing fault diagnosis on each component based on the electrical parameters and detection data; fault early warning, employing a graded response mechanism to trigger differentiated responses based on the severity of the fault diagnosis results, the differentiated responses including the self-maintenance execution, audible and visual alarms, or information prompts; and record traceability, whereby the differentiated responses are recorded, stored, and uploaded to a laboratory equipment management platform in real time. This system possesses self-maintenance capabilities, achieving self-testing, self-cleaning, self-lubrication, and self-calibration functions, reducing the failure rate of laboratory fume hoods and labor maintenance costs.

The utility model discloses a liquid-phase fraction collecting valve with a liquid leakage detection and overpressure alarm device, which is integrally of a box structure and specifically comprises a case, a partition plate is arranged in the case and divides the case into a dry area and a wet area, and the partition plate and the case are sealed; the liquid leakage sensor is mounted in a liquid accumulation disc in a wet area on the front side of the case body; the liquid substrate is provided with a liquid inlet, a plurality of collection ports, a waste liquid port and an expansion port; wherein the liquid inlet is located at the foremost end, the collection opening is formed behind the liquid inlet, the collection opening is normally opened behind the collection opening, the waste liquid opening is closed only in a suction mode in a collection task, and the waste liquid opening is normally opened in other working stages; the plurality of electromagnetic valves are respectively connected with the plurality of collection ports and the waste liquid port, and the opening and closing of the collection ports and the waste liquid port are controlled through power-on opening and closing; and the pressure sensor is mounted on the liquid substrate and is positioned behind the liquid inlet and in front of the collecting opening. The liquid leakage alarm device has the functions of liquid leakage detection and overpressure alarm, and the safety and the reliability of laboratory equipment can be remarkably improved.

The invention belongs to the technical field of measurement, and relates to a real-time in-situ measurement system and method for a far-field divergence angle of a laser. The system comprises a laser emitting unit, a detection imaging unit, a detection control unit, a data processing unit and a light beam monitoring unit. According to the system and the method provided by the invention, the short-wave infrared camera integrated with a range gating function is adopted, so that the range information and spatial distribution of laser spots can be acquired in real time and the divergence angle of laser can be solved in real time under the condition that a cooperative target or a complex laboratory device is not needed. The method is especially suitable for laser performance monitoring and evaluation under external field, mobile platform and dynamic change conditions.

The utility model relates to a planetary stirrer, which belongs to the technical field of laboratory equipment and comprises a stirrer body, a stirring rod mounted in the stirrer body, a stirring paddle detachably arranged at the bottom of the stirring rod and a fixing mechanism arranged between the stirring rod and the stirring paddle. A fixing hole is formed in the square rod; according to the utility model, the stirring rod and the stirring paddle can be preliminarily connected by inserting the square rod into the stirring rod, and the threaded rod can be quickly inserted into the fixing hole of the square rod through the tension of the tension spring, so that the stirring rod and the stirring paddle are mounted and fixed, and the contact area between the threaded rod serving as a fixing part and the square rod is large; therefore, the threaded rod can bear larger pressure and is not prone to damage, the threaded rod can be screwed down from the interior of the connecting plate, the threaded rod can be replaced conveniently, and the difficulty of later maintenance is lowered.

Laboratory apparatus - Automated Slide Washer System

The utility model relates to the technical field of testing devices, in particular to a filament-shaped sample fracture fixing device for a scanning electron microscope. Comprising an upper seat plate, a lower seat plate, adjusting plates and clamping plates, the upper seat plate is composed of an upper horizontal plate and an upper vertical plate which is vertically and fixedly connected to the bottom of one side of the upper horizontal plate; the lower seat plate is composed of a lower horizontal plate and a lower vertical plate which is vertically and fixedly connected to the top of one side of the lower horizontal plate; the upper vertical plate, the lower vertical plate and the adjusting plate are connected through bolts, and the adjusting plate is provided with a vertical long-strip-shaped hole which can adjust the overall height of the device. A plurality of sample holes are formed in the upper horizontal plate, and a fixing plate is arranged on the lower horizontal plate; a filament-shaped sample is placed in the sample hole, the bottom of the filament-shaped sample is placed between the fixing plate and the clamping plate, the fixing plate is connected with the clamping plate through a bolt, and then the filament-shaped sample is clamped and fixed. A filament-shaped sample can be firmly clamped and fixed, so that the sample is prevented from falling off, and the analysis efficiency is further improved.

The utility model belongs to experimental equipment technical field especially, more especially relates to a multi -aperture test tube drying device, the size fixed unity of the clamping slot of the existing device is used for holding test tube, can only match single aperture test tube, in order to adapt to different aperture test tube, laboratory needs to purchase multiple groups of different specifications drying device, and then increases equipment purchase cost problem, the present scheme is proposed, a multi -aperture test tube drying device, including drying box body and the sealing door of rotation connection in the one side of drying box body, the utility model has the advantages of: through the design of the test tube insertion slot aperture consistency on the same test tube clamping plate, the aperture difference of test tube insertion slot on different test tube clamping plate, can make the device compatible multiple test tube specifications, need not be equipped with drying equipment alone for different aperture test tube, reduce laboratory equipment purchase and management cost, improve equipment versatility, at the same time, the test tube insertion slot of inclination uses gravity to discharge accumulated water, is used for accelerating moisture evaporation.

The utility model discloses a kind of even heating electric vacuum drying oven, it is related to laboratory equipment field, including operation box, the surface of the operation box is slidably connected with switch door, the inner wall of the operation box is fixedly connected with multiple heating rods and air-permeable plate, the inner wall of the operation box is rotatably connected with first drive shaft and second drive shaft, the surface of the operation box is fixedly connected with motor, the surface of the operation box is fixedly connected with protection box.The utility model first object is clamped by clamp plate and fixed plate close to, air in the operation box is pumped to vacuum by vacuum pump, by the drive of motor, drive first bevel gear to rotate, first bevel gear drives second bevel gear and linkage shaft to rotate, linkage shaft drives protection frame to rotate as a whole, and then the object clamped is rotated, by controlling the heating temperature of heating rod, object realizes heating vacuum operation in rotating process, the advantage of this is that, in the process of object heating, heated evenly.

Glass vessel (11, 11'), in particular evaporation flask, for a laboratory device (30), in particular a rotary evaporator, with a vessel body (12) made of glass, which defines a receiving space (17) for a medium to be heated, in particular a liquid, characterized by at least one heating resistance element (20) which is in thermally conductive contact with the vessel body (12) and has a connection (23) for supplying electrical energy, wherein the connection (23) comprises at least two sliding contact surfaces (25) which surround a neck (15) of the flask-shaped glass vessel (12).

The invention relates to a laboratory device (1) having a heating plate arrangement (3), comprising: a placement plate (5) made of glass ceramic, on which a heatable placement surface (4) for at least one container is formed; a thermal insulation layer (6); a heating element (7), in particular a heating foil; and a thermally conductive layer (8), in particular made of an aluminum sheet; wherein the heating element (7) is arranged between the placement plate (5) and the heat insulating layer (6), and the heat insulating layer (6) is arranged between the heating element (7) and the heat conducting layer (8).

The invention provides a laboratory equipment intelligent positioning and state monitoring method and system based on the Internet of Things, and relates to the technical field of information, and the method comprises the steps: obtaining a preliminary multi-source data stream, processing the preliminary multi-source data stream based on an improved Karl filtering algorithm, generating a clean signal sequence, and sending the clean signal sequence to a server; obtaining an accurate micron-sized positioning result according to the clean signal sequence, generating an integrated monitoring data set through an improved particle filtering algorithm, if the vibration amplitude in the integrated monitoring data set exceeds a preset threshold value, triggering a real-time adjustment mechanism to apply a compensation vector to a position calculation module, obtaining a corrected positioning coordinate, extracting a displacement change trend, and obtaining a positioning result; and an abnormal event mark is determined, an alarm signal is generated according to the abnormal event mark, the alarm signal and the integrated monitoring data set are transmitted to the central control system through the wireless communication module, and a final equipment state report is obtained. According to the method, the equipment positioning precision and the state monitoring reliability in a complex environment are remarkably improved, and the equipment operation stability and safety are guaranteed.

The invention relates to the field of microbiological examination laboratory equipment, and discloses a drying and disinfecting device and method for a specimen glass slide for microbiological examination. The device comprises a machine shell, a motor and a controller, the detachable rotating shaft is in transmission connection with the driving motor; the support frame is detachably arranged on the detachable rotating shaft and forms a plurality of mounting surfaces; the glass slide mounting plate is detachably mounted on the mounting surface, and a plurality of glass slide mounting stations are arranged on the glass slide mounting plate; the drying module comprises a drying lamp; the disinfection module comprises an ultraviolet disinfection lamp; and the control module is electrically connected with the driving motor, the drying module and the disinfection module and is used for executing a drying program and a disinfection program. The problems that in an existing glass slide processing method, the drying capacity and uniformity are difficult to consider at the same time, the drying process is uncontrollable, and low efficiency and safety risks are caused by separation of the drying process and the disinfection process are effectively solved.

Laboratory Device for use in Antimicrobial Textile Fabric Applications

Laboratory apparatus for plant disease image detection

The invention relates to a control device for adjusting the air humidity in an incubator chamber of a laboratory apparatus with incubation capability, and to a method for adjusting the air humidity. In particular, the control device controls an air humidity regulation device, a heating regulation device, and a water supply control device.