18 results about "Bubble Detector" patented technology

The invention discloses a neutron bubble detector counting method and system, a medium and a program product. The method comprises the following steps: acquiring multiple frames of detection images which are acquired by sequentially rotating around a neutron bubble detector at multiple angles; performing segmentation pretreatment to extract a bubble area; using a target detection model to identify bubble position information for the bubble area; serial numbers are distributed for the bubbles recognized in the first frame of detection image, and the bubbles recognized in any subsequent Nth frame of detection image are processed as follows: the intersection-union ratio of the detection frame of the bubble to the detection frame of each bubble recognized in the specified reference detection image is calculated, and if the intersection-union ratio is greater than a preset threshold value, the Nth frame of detection image is detected; if yes, assigning the number of the corresponding bubble in the specified reference detection image to the bubble, otherwise assigning a new number to the bubble; and outputting the count values of the numbers distributed for the bubbles in all the frame detection images. The invention aims to realize high-quality, accurate and high-universality automatic bubble counting for the neutron bubble detector.

This invention discloses a magnetic pump integrating sealing and monitoring. The key technical features are: a base plate with casters fixedly mounted at its four corners; a mounting plate on the top surface of the base plate with a motor fixedly mounted on its top surface; and a monitoring component located inside the pump body for monitoring its internal structure. This component utilizes a temperature sensor, a liquid leak sensor, and a bubble detector to monitor the pump body's internal components in real time, including leakage temperature. Furthermore, by dividing the outer magnetic cylinder into two and connecting them with gears, a clearance is maintained between the first and second outer magnetic cylinders for wiring. This design ensures efficient power transmission without reducing the area of ​​the inner and outer magnetic cylinders or increasing the overall area of ​​the magnetic pump, while maintaining normal monitoring by the temperature sensor, liquid leak sensor, and bubble detector.

The application relates to a feeding system suitable for optical fiber drawing coating, which feeds the feeding system through at least two parallelly arranged storage tanks, compared with two-stage feeding, the multiple storage tanks respectively feeding can effectively prolong the standing time of the coating in the storage tank, effectively eliminating the bubbles in the coating, meanwhile, the coating is filtered through a filter, and a bubble detector and an ultrasonic generator are arranged between a coating module and the filter to detect and eliminate the possible tiny bubbles in the coating, so that the bubbles in the coating are greatly reduced, the accuracy of the detection result of the bubble detection device is improved, and the coating effect is improved.

The application discloses a neutron bubble detector counting method, system, medium and program product, and the method comprises the following steps: acquiring a plurality of detection images collected at multiple angles in sequence around a neutron bubble detector; segmenting and preprocessing to extract a bubble region; using a target detection model to identify position information of the bubble for the bubble region; assigning a number to the bubble identified in the first detection image, and performing the following processing on the bubble identified in any Nth detection image: calculating the intersection over union of the detection box of the bubble and the detection box of each bubble identified in a specified reference detection image, if the intersection over union is greater than a preset threshold, assigning the number of the corresponding bubble in the specified reference detection image to the bubble, otherwise assigning a new number to the bubble; and outputting a counting value of the number assigned to the bubble in all detection images. The application aims to realize high-quality, accurate and highly universal automatic bubble counting for a neutron bubble detector.

The invention relates to the technical field of Internet of Things control, in particular to a control method of a CNC machining center online control system based on the Internet of Things. The method comprises the following steps that a pressure sensor, a bubble detector and a first conductivity sensor are installed at a cutting fluid inlet of each CNC machining center, and a second conductivity sensor is installed at a fluid outlet of each CNC machining center; a micro-amplitude modulation signal with the unique identification frequency is superposed on the rotating speed of the main shaft, so that a tool vibrates to generate a pressure pulsation signal in a cutting fluid pipeline through a machine tool structure; after the pressure sensor detects a pressure pulsation signal, vibration source equipment is determined through spectral analysis; the sound velocity is corrected according to the bubble volume fraction measured by the bubble detector, and the propagation delay of the pressure wave is calculated. Through combination of a bubble acoustic barrier and piezoelectric active compensation, the continuous production capacity of healthy equipment is maintained while fault isolation is guaranteed.

1. The name of the design product: bubble detector. 2. The use of the design product: the design product is used for bubble detector. 3. The design points of the design product: the overall shape of the product. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to the technical field of medical equipment, in particular to a clinical infusion monitoring device based on an intelligent analysis technology, which comprises an infusion support, a shell is mounted on the infusion support, a moving module is mounted on the outer side wall of the shell, a self-adaptive module, a monitoring module and a controller are mounted in the shell, and the self-adaptive module comprises a plurality of clamping assemblies. A monitoring groove is formed in the shell, and the clamping assemblies are installed at the two ends of the monitoring groove respectively. The monitoring module comprises an image sensor, an infrared sensor, a pressure sensor and an ultrasonic bubble detector, the image sensor, the infrared sensor, the pressure sensor and the ultrasonic bubble detector are all in signal connection with the controller, and the image sensor, the infrared sensor and the ultrasonic bubble detector are all installed in the monitoring groove. The invention aims to reduce the dependence of manual operation and improve the safety and intelligent level of clinical infusion.

The application discloses a method for analyzing nitrate / nitrite in water quality by sequential injection. The application can accurately sample and ensure complete reaction by setting a bubble detector and using an air column, and water samples and reagents are not in contact with pure water, and there is no diffusion dilution, so that the accuracy and reliability of the detection result are improved. By using the air action package, the accurate sampling of the liquid is further ensured, the complete reaction is ensured, the water sample and the reagent are not in contact with pure water, there is no diffusion dilution, so that the accuracy and reliability of the detection result are improved. The sequential injection module, the detection unit and the control unit are all modularly designed, users can flexibly replace detectors and reaction conditions according to detection requirements, the detection requirements of different water quality parameters are adapted, and the adaptability and expansibility of the system are improved.

A self-tuning optical bubble detector assembly for diagnostic analyzers. The bubble detector assembly has a light emitter operated at a plurality of inputs (i.e., generating a plurality of light intensities) for dry supply line tubing (i.e., having no liquid) and for a wet supply line tubing (i.e., having liquid therein). A plurality of outputs representing light detected through the dry supply line tubing and the wet supply line tubing are generated. Based on the received outputs, a final calibrated setting (e.g., a % duty setting or an I_LED) and a threshold are determined at which to accurately and repeatedly determine if the supply line tubing has liquid or air therein. Further provided are methods of self-tuning an optical bubble detector for diagnostic analyzers and computer program products, as are other aspects.

The application relates to the technical field of medical equipment, in particular to a clinical infusion monitoring device based on intelligent analysis technology, which comprises an infusion support, a shell is installed on the infusion support, a moving module is installed on the outer side wall of the shell, a self-adapting module, a monitoring module and a controller are installed in the shell, the self-adapting module comprises a plurality of clamping assemblies, monitoring grooves are formed in the shell, and the clamping assemblies are respectively installed at two ends of the monitoring grooves; the monitoring module comprises an image sensor, an infrared sensor, a pressure sensor and an ultrasonic bubble detector; the image sensor, the infrared sensor, the pressure sensor and the ultrasonic bubble detector are all in signal connection with the controller; and the image sensor, the infrared sensor and the ultrasonic bubble detector are all installed in the monitoring grooves. The application aims to reduce the dependence on manual operation and improve the safety and intelligent level of clinical infusion.

The invention discloses continuous mixing, dispersing, coating and rolling equipment for layer-adding film slurry. The equipment comprises a mixing and dispersing module and a coating and rolling module which are communicated through a pipeline. Wherein the mixing and dispersing module integrates planetary stirring, shear crushing and vacuum defoaming, so that macroscopic homogeneous mixing, microcosmic agglomerated particle crushing and bubble removal of slurry are realized respectively, and the dispersion uniformity of the slurry is remarkably improved. A light scattering particle size sensor and a non-intrusive ultrasonic bubble detector are arranged in the pipeline so as to judge the condition of the slurry. And the slurry is subjected to precise film forming through the coating and winding module, is subjected to online drying and then is wound, so that the automation and continuity of the film making process are realized. According to the equipment, slurry preparation, coating and winding processes are integrated on the same production line, so that intermediate transfer and human interference are reduced, the stability, the consistency and the production efficiency of layer-adding film preparation are remarkably improved, and the equipment is suitable for continuous industrial preparation of various types of high-viscosity functional film slurry.

Systems, components, and methods are provided for detection of air bubbles in a fluid moving through a peritoneal dialysis cassette. The systems, components and methods include a sensor capable of detecting air bubbles in the fluid positioned complementary to an air bubble sensing region of the peritoneal dialysis cassette.

The application discloses a burst needle valve testing device, and belongs to the technical field of petroleum chemical industry, oil and gas storage and transportation. The burst needle valve testing device comprises a storage tank, a first material conveying pipe and a first control valve group, a second material conveying pipe and a second control valve group, and a third material conveying pipe; a bubble detector is arranged to detect the bubble amount of the output end of the third material conveying pipe; under the condition that the bubble amount is a first preset value, the pressure value detected by a pressure detector is a sealing pressure value of the burst needle valve; and under the condition that the bubble amount is a second preset value, the pressure value detected by the pressure detector is an opening pressure value of the burst needle valve. Before the burst needle valve is tested, liquid nitrogen is introduced into the storage tank, so that the temperature value of the whole burst needle valve testing device can be kept in a low temperature range, the test temperature of the burst needle valve can be approximately the same as the actual working temperature, and therefore the accuracy and reliability of the burst needle valve testing can be improved.

Systems, components, and methods are provided for detection of air bubbles in a fluid moving through a peritoneal dialysis cassette. The systems, components and methods include a sensor capable of detecting air bubbles in the fluid positioned complementary to an air bubble sensing region of the peritoneal dialysis cassette.

The utility model discloses a pipeline air sensing and blocking device which comprises a processing box, a bubble detector and a pipeline sealer are respectively arranged at the upper end of the processing box, the bubble detector is used for detecting whether bubbles exist in a pipeline, and the pipeline sealer is used for sealing the pipeline when the bubble detector detects the bubbles; the pipeline sealer comprises a shell, a containing cavity and a movable cavity are transversely formed in the shell, a guide cavity is further vertically formed in the shell, and an extrusion ball is vertically and movably connected to the interior of the guide cavity. According to the pipeline air sensing and blocking device provided by the utility model, through the structural matching design of the processing box, the bubble detector and the pipeline sealer, the device can effectively detect the interior of the liquid conveying pipeline, and when bubbles exist in the liquid conveying pipeline, the liquid conveying pipeline can be effectively sealed, so that the safety of the liquid conveying pipeline is improved. Meanwhile, sound is made to promote medical staff to arrive at the site for processing, and the device is small and exquisite in overall structure, compact in structure and convenient to use.

A medical device processor includes a chemical dosing system including a supply tube extending along a length between a first and second end. A pump is coupled to the supply tube downstream from the first end and configured to pump fluid in the tube. A bubble detector is coupled to the supply tube downstream from the first end, wherein an inner volume of the supply tube between the bubble detector and the second end is equal to or greater than a volume of a dose of liquid to be pumped from the chemical dosing system in a given dose. A controller is configured to run the pump for a predetermined period of time; detect the presence of one or more bubbles in the supply line based on measurement by the bubble detector; upon detection, continue to run the pump for the remainder of the predetermined time; and issue a notification.

A system includes a fluid source storing a fluid and a fluid line coupled to the fluid source and configured to pass the fluid therethrough. The system includes a bubble detector coupled to the fluid line downstream of the fluid source, the bubble detector configured to detect bubbles present in the fluid and to generate a bubble detection signal. The system also includes a valve coupled to the fluid line downstream of the fluid source, the valve configured to switch between a first configuration and a second configuration, where in the first configuration the valve directs the fluid through the fluid line and in the second configuration the valve directs the fluid through a drain line. The system further includes a controller coupled to the bubble detector and the valve, the controller configured to receive the bubble detection signal and to control the valve based on the bubble detection signal.