125 results about "Direct observation" patented technology

The invention provides an automatic loading quantity calculation system and excavator based on visual identification of mine card positions, and the system comprises a visual detection module which is used for detecting a bounding box of a mine card in real time through a target detection algorithm and extracting coordinates of a center point of the mine card; the state judgment module is used for judging whether the mine card is in a static state or a moving state according to the continuous frame variation of the center point coordinates of the mine card; the counting triggering module is used for triggering a loading quantity counter to accumulate when the mine card is switched from the static state to the moving state and the moving distance is greater than or equal to a preset minimum distance threshold value Dmin; and the data output module is used for outputting an accumulated value of the loading quantity counter. The dependence of the limited visual angle of the camera on the direct observation of the bucket action or the material state is eliminated; full-automatic statistics of the loading times is achieved, additional sensors or manual intervention is not needed, and the deployment cost is remarkably reduced; the system adaptability is improved, and different mine truck models and complex working conditions are supported.

The invention is suitable for the technical field of electrical data processing, and provides a deep learning-based apple core position acquisition method and application thereof, and the method comprises the steps: carrying out the data collection of the surface of an apple in a rotation process, and obtaining the surface image data; obtaining a complete three-dimensional point cloud model of the apple based on the surface image data; inputting the point cloud model into a pre-trained deep learning network to obtain global geometric and local curvature features; and obtaining the three-dimensional position coordinates of the apple kernel output by the deep learning network under the rotating table coordinate system, and obtaining the position of the kernel. The method has the advantages that although traditional X-ray or MRI detection can directly observe kernels, equipment is expensive and large in size, and potential safety hazards exist; according to the scheme, the result core positioning prediction can be completed only by depending on a common depth-color fusion camera, the apple does not need to be temporarily cut or irradiated, and nondestructive testing is achieved.

According to the blowing detection equipment and the detection method, the structure is simple, the accurate positions of the materials can be observed through a displayer, the overlapped and side-by-side materials can be distinguished through image processing, and the mistaken blowing or missing blowing process of the blowing nozzle can be directly observed through cached images. The device comprises a feeding module, a rotating disc module, a visual detection module and a material receiving module, the material receiving module comprises a material receiving support, an OK blowing module and an NG blowing module, and the visual detection module is arranged between the feeding module and the material receiving module and matched with a product at the loading disc end of the rotating disc module; the measuring method comprises the following steps: A, feeding and straightening a product; B, acquiring images of the product at different detection positions; C, comparing and controlling the state switching of the material receiving assembly according to image acquisition results; and D, synchronously detecting false blowing and missing blowing through the monitoring camera. The method is applied to the technical field of product sorting.

A method and non-transitory computer-readable medium for automating eFAST analysis of ultrasound scans. The method includes receiving at least one ultrasound image from one or more scan sites; processing the ultrasound image to determine whether there is a presence of one or more fluid pockets or free fluid present in the patient, the injury is selected from pneumothorax, hemothorax, and abdominal hemorrhage; and outputting a result from the processing. A model is trained on historical ultrasound images over a historical observation period, the historical ultrasound images associated with at least one injury determined directly observed presence of a fluid pocket or free fluid present in those images.

The utility model provides a low-concentration electroplating wastewater two-stage treatment device driven by a source heat pump, which belongs to the field of electroplating wastewater treatment and can operate at medium and low temperature without special equipment through a tower top, a hot air inlet pipeline, a heat source pump, an electroplating wastewater inlet pipeline, a pressure nozzle and a waste gas outlet pipeline. The requirement for sealing performance is low, consumables are few, the requirement for materials is not high, simplicity and convenience are achieved, and the operation cost is low; the device can be used for directly observing the whole evaporation and separation process of the evaporation and separation tower body part, so that unfavorable conditions occurring in the heat and mass transfer process can be conveniently found in time and adjusted and optimized in time; the device treats electroplating wastewater by using air as a separation carrier, and the separation carrier is convenient to obtain and is basically not limited by the environment; the device adopts the visual polyacrylate material tower body which is high in transparency, low in price and easy to machine, and the internal temperature of the tower body is lower than that of the tower top part, so that the problems of softening and deformation of organic glass caused by high temperature and the like are effectively avoided.

The invention discloses an efficient, safe and environment-friendly ion removal device, and belongs to the technical field of air purification. Comprising an ion removal device body, purification device strip-shaped heat dissipation holes, an ion purification barrel, a purification barrel connecting structure, a connecting and fixing supporting column, a purification device control button, an ion removal device data display screen, an ion purification data remote transmission module, an ion discharge hole, a purification device power supply connecting hole, a purification barrel supporting column and device moving universal wheels. By arranging the ion purification data remote transmission module, a worker can remotely know the progress of ion purification, the reaction time is shortened, the working efficiency is improved, meanwhile, an ion removal device data display screen is arranged, operation data of the device can be visually seen, and when certain data fluctuates drastically, the data can be displayed. And direct observation, understanding and rapid treatment can be achieved, the safety of operators is improved, and device moving universal wheels are arranged, so that the device can conveniently move on a plane.

The invention relates to a drilling transient antenna assembly inspection method and system, belongs to the technical field of geophysical exploration, and solves the technical problem that after a drilling transient electromagnetic instrument is assembled, a wiring is packaged in a pipe body, and the correctness of the wiring cannot be directly observed and inspected, so that the potential quality hazard of a product is caused. According to the technical scheme, low-resistance anomalous bodies such as metal bodies are sequentially placed at preset positions in the positive direction of the normal of a receiving coil, an instrument is operated to enable a transmitting coil to transmit electromagnetic waves, the receiving coil collects original signals of a secondary field, wiring correctness is judged according to signal polarity, and a signal positive value indicates that wiring is correct. The technical effects are that wiring can be accurately checked through physical experiments and data analysis without dismounting an instrument, assembling quality is guaranteed, checking efficiency is improved, and detection data abnormity is avoided.

The application discloses a kind of wave energy device whole process model test similarity criterion coordination method, specifically relates to wave energy generation and electrochemical energy storage field, specific steps are as follows: identifying multistage energy conversion process;Determine the dominant similarity criterion of each stage energy conversion process;Similarity criterion coordination;Introduce correction coefficient;Data acquisition and correction coefficient calculation;Back calculation prototype performance.The application is through the virtual and real complementation mode of numerical simulation and physical model test, in whole process test, all physical phenomena are considered and tested simultaneously, the behavior and performance of complete system under actual conditions can be directly observed, the problem of uncoordinated similarity criterion encountered in the whole process model test is solved, the accuracy of back calculation prototype performance of physical model test is improved, the characteristics of prototype device can be evaluated using limited test, the efficiency of model test is improved, and the development cost of device is reduced.

The invention discloses a deep-sea microorganism enrichment culture and mineral reaction integrated device, belongs to the field of microorganism equipment, and aims to solve the problems that deep-sea extreme microorganism resource development is limited and mineral reaction research and observation are difficult. A metabolite and an enzyme system of the strain have remarkable application value, but a traditional enrichment method is limited by extreme environments such as high pressure, low temperature and oligotrophic environments, and efficient development is difficult to realize; in addition, deep sea mineral reaction related research is blocked due to difficult direct observation and lack of in-situ observation equipment. The device comprises a microorganism enrichment culture device and a mineral reaction device, the microorganism enrichment culture device is used for suction filtration and enrichment of deep sea microorganism samples and can collect in-situ water samples; the mineral reaction device is used for researching the interaction between the deep sea extreme environment and a mineral sample.

The utility model relates to the technical field of physical experiment equipment, and provides a Faraday electromagnetic experiment device, which comprises a base, and a magnetic field generation module, a magnetic field cutting module, a function demonstration board, an adjustable power supply and a mounting bracket which are arranged on the base, are integrated into an integrated structure and are easy to store and carry. The multifunctional characteristic is achieved, the angle between the magnetic field and the guide rail plane, the guide rail distance and the cutting speed can be automatically adjusted, and simple quantitative operation can be conducted; the demonstration board is arranged for qualitative demonstration and simple quantitative calculation, the operation is simple, the visualization degree of the embodiment is high, the demonstration effect is obvious, students can be well assisted in understanding teaching materials, that is, the factors influencing the induced electromotive force generated when the conductor cuts the magnetic induction line are visually observed, and the students are helped to perform quantitative analysis.

The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator. According to the vacuum drawer of the refrigerator, the pressure relief part is externally arranged on the edge of the light-transmitting area of the drawer door body, so that a basis is provided for setting a single and continuous large-area light-transmitting area. The single continuous large-area light-transmitting area provides a basis for clearly observing the storage condition in the drawer body. Through the collaborative layout of the shooting device and the illumination module, the illumination module not only can supplement light for the shooting device, but also can provide light for direct observation through the light-transmitting area. Therefore, a user not only can directly observe the storage condition in the drawer body through the light-transmitting area, but also does not need to open the drawer body through pressure relief; and the storage condition in the drawer body can be determined through the image shot by the shooting device, and a door body of the refrigerator does not need to be opened. In addition, images shot by the shooting device can provide data support for intelligent management of food materials in the drawer body.

The application relates to a polyacrylonitrile fiber skin-core structure characterization method and relates to the technical field of carbon fibers. The main technical scheme is as follows: a polyacrylonitrile fiber skin-core structure characterization method, which comprises the following steps: step 1): a plurality of polyacrylonitrile fiber tow samples with a set length are taken from polyacrylonitrile fiber tows to be characterized; the plurality of polyacrylonitrile fiber tow samples are subjected to dissolution treatment, wherein the dissolution treatment time t of different polyacrylonitrile fiber tow samples is different; the dissolution depth H of each polyacrylonitrile fiber tow sample after the dissolution treatment is calculated; and step 2): the skin thickness of the polyacrylonitrile fiber is determined according to the relationship between the dissolution depth H and the dissolution treatment time t. Compared with direct observation methods such as a scanning electron microscope and a transmission electron microscope, the method is simple in operation, low in cost, can be used to conveniently and quickly guide on-site adjustment of a wet spinning process.

The application relates to the technical field of pull-off valve flow detection, and discloses a pull-off valve flow test equipment, which comprises a test water tank, a colorant mixing mechanism arranged on one side of the test water tank, a pulling force test mechanism arranged on the other side of the test water tank, a flow test mechanism arranged in the test water tank, observation windows symmetrically arranged on the inner walls of the two sides of the test water tank, and a liquid level meter arranged on the inner wall of one side of the test water tank. The pull-off valve flow test equipment keeps the water in the test water tank in a state of submerging the flow test mechanism, the colorant mixing mechanism dyes the water in the pull-off valve body, the pulling force test mechanism applies pulling force to the pull-off valve body, and the change of the flow loss of the pull-off valve body under different pulling force states can be more directly observed when the pull-off valve is pulled off; the observation windows can directly observe the color amount; the liquid level meter can measure the change of the liquid level of the added dyed liquid, and then the flow data can be measured and collected.

The invention relates to a calibration processing method and device, a storage medium, a control terminal and a system, and belongs to the technical field of medical examination, the method comprises the following steps: displaying a target calibration curve in a calibration management interface, the target calibration curve comprising data points corresponding to a plurality of calibration products corresponding to a target detection item, and based on a selection operation on the data points in the target calibration curve, displaying reaction curves respectively obtained by multiple tests of the selected calibration product in the calibration process and corresponding test records respectively. Therefore, a user can be effectively guided to judge whether the calibration curve is abnormal or not by performing abnormality checking on the calibration product, the user can directly observe process data, detection details in the calibration process are completely reserved, the user can clearly reproduce the test condition in the calibration process, and the user experience is improved. Therefore, whether the calibration product is abnormal or not is efficiently and accurately judged, and then whether the calibration curve is abnormal or not is judged.

The utility model relates to the technical field of fire extinguisher valves, in particular to a fire extinguisher valve detection device which comprises a water storage tank, a water injection structure and a water return structure, the water storage tank comprises a tank body, a detection table is fixedly mounted at an opening of the tank body, and a water injection plug is fixedly mounted on the upper surface of the detection table; the water injection structure is embedded in the detection table; the water return structure is fixedly installed on the rear side surface of the box. According to the utility model, the opening at the bottom of the valve is clamped with the water injection plug opening, water stored in the water storage tank is injected into the valve through the water injection structure, whether leakage and water seepage occur when the valve is closed is observed firstly, the injection orifice of the valve is clamped with the water return structure to open the valve, and the sealing performance when the valve is opened is detected; after detection, water is introduced into the box body again through the water return structure, detection water is recycled, detection is carried out in a water supply mode, direct observation of detection personnel is facilitated, meanwhile, the detection water can be recycled through the water return structure, and resource consumption is reduced.

This invention relates to a microscopic visualization experimental system and method for two-phase flow displacement in underground reservoirs. The system includes: a microscopic flow chip and, sequentially connected, an injection module, a microscopic clamp, a pressure and temperature acquisition and control module, a gas metering module, and a data and image acquisition module. The microscopic flow chip is held within the microscopic clamp. The injection module includes an N2 gas cylinder, a hydrogen generator, a piston container, an injection pump, and a pressure regulating valve. The pressure and temperature acquisition and control module includes an annular pressure tracking pump, a back pressure unit, a temperature sensor, and a heating unit. The back pressure unit includes a back pressure valve, a back pressure container, and a back pressure pump. Compared with existing technologies, this invention allows for direct observation of the two-phase flow in the model and the distribution of the residual gas phase after gas-driven water, water-driven gas, polymer-driven, and other chemical-driven displacement processes, while ensuring the accuracy of experimental data.

A ranging device, which relates to the field of instrument measurement. The ranging device is integrated with a ranging module (1) and a dual-color laser indication module (2), wherein the ranging module (1) is used for measuring the distance to a target object, the dual-color laser indication module (2) comprises a visible-laser assembly (22) and an infrared-laser assembly (23), the visible-laser assembly (22) is used for emitting a visible laser, the visible laser can be directly observed by human eyes, and an infrared laser emitted by the infrared-laser assembly (23) can be observed by a night-vision device. By means of providing the dual-color laser indication module (2), dual functions, i.e., a visible-laser function and an infrared-laser function, are integrated, such that different lasers can be used on the basis of different scenarios; if there is need to perform direct observation, the visible laser is used to irradiate a target object, and if there is need to improve concealment, the infrared laser is used to irradiate the target object; and when the infrared laser is used to perform indication and the ranging module is used to perform distance measurement at the same time, two emitted laser beams are not directly observed by naked eyes, such that a target distance can be measured without exposing the position of a user, thereby having higher concealment.

The invention discloses an LAMP (Loop-Mediated Isothermal Amplification) primer group for specifically detecting clonostachys rosea, a detection system and application of the LAMP primer group and the detection system, and belongs to the technical field of germ detection. And the LAMP primer group is composed of primers as shown in SEQ ID NO. 13 to 16. The invention provides the LAMP primer group and the detection system for specifically detecting the C.rose, the detection limit of the C.rose is 10 <-3 > ng / mu L, not only can the pathogenic bacteria purified culture C.rose be rapidly detected, but also the field morchella sporocarp can be directly and rapidly diagnosed, and the detection result is accurate. The LAMP detection method provided by the invention has the advantages of high detection specificity, high sensitivity, short detection time, direct observation by naked eyes and the like, and has wide practical application value.

The application provides a transparent structure flow field image distortion correction system and method based on affine and B-spline grid transformation, which comprises a calibration paper, a structure outer sleeve box, a PIV system and a post-processing algorithm. The calibration paper is built in the structure and needs to cover the measured plane, and the distorted image can be directly observed; the structure outer sleeve water-tight box covers the measured structure, the box is filled with the solution in the structure, the observation window observed from the outside of the box is a plane, and the observed image distortion condition has been basically corrected; the PIV system comprises two high-speed cameras, a laser, a synchronizer and a computer; the polynomial mapping relationship of the images before and after the distortion is obtained through the post-processing software, the mapping relationship is reversely applied to the flow image inside the structure under the direct shooting condition, and the real flow condition without the distortion is obtained. The orthodontic effect is verified through the PIV test data of the flow field in the pipeline, and data support can be provided for the processing and analysis of the subsequent flow field test data in the complex structure.

The invention relates to the technical field of building material detection, and particularly discloses a green building material strength detection device which comprises a testing mechanism, a sample manufacturing mechanism, a controller, filling equipment and dust collection equipment, the testing mechanism is responsible for observing and testing the building materials; the sample manufacturing mechanism is arranged on the left side of the testing mechanism and is responsible for grabbing, cutting, trepanning and cleaning pretreatment work of building material samples. All detection procedures can be completed in the device, the full-automatic process from plate grabbing, trepanning, cleaning to pouring detection is achieved, damage and pollution caused by external transfer are avoided, a sample is longitudinally cut through automatic operation to form a flat section, and the detection efficiency is improved. The method realizes direct observation of the erosion degree of the sample profile soaked by different types of liquid, clearly presents the liquid permeation path, erosion depth and material internal structure change, improves the accuracy and objectivity of detection data, and provides a powerful basis for material performance evaluation.

The utility model relates to engineering test technical field, concretely is a kind of asphalt mixture slab test piece density testing device, including water injection tank, the front and back side wall of water injection tank is equipped with observation port, and observation port is provided with transparent plate;The outer surface of front side transparent plate is equipped with outside scale rule;The inside of rear side transparent plate is equipped with the inside water level ruler of vertical extension;Inside water level ruler is equipped with vertical sliding rail side, and the sliding block of vertical sliding is configured on sliding rail;Sliding block is connected with the suspension piece that can float on water surface, and suspension piece one end is equipped with the pointer of inside water level ruler direction.This utility model's beneficial effect lies in by the transparent plate (observation port) of being set up in front and back, allow direct observation water level change, avoid the cumbersome operation of traditional overflow collection;It is simultaneously provided with double scale rule of inside and outside to provide double reference, reduce visual error, and suspension piece is driven pointer along with water level rise and fall, directly indicate water level height on inside water level ruler, greatly simplify reading process and reduce artificial error.

This invention belongs to the field of planetary transmission system testing technology, and particularly relates to a test bench for testing the lubrication flow rate of planetary components in a transmission system. In this invention, the transparent shell allows direct observation of the actual distribution of oil under rotational conditions, and the gas isolation structure prevents oil cross-flow between planetary gear sets, ensuring the independence and accuracy of flow rate measurement. This test bench can simultaneously and independently measure the actual oil supply flow rate at multiple lubrication points, such as the sun gear-planet gear meshing area and planetary gear bearing cavities, at different speeds, thereby obtaining accurate flow distribution patterns. It overcomes the limitations of simulation methods in reproducing conditions such as strong centrifugal force and complex phase changes, providing a reliable physical experimental means for the design verification and optimization of lubrication systems, effectively improving evaluation efficiency and reducing development costs.

The utility model relates to a novel saturated soil body visual subsurface erosion test device which comprises a flat box body, and a box cover is detachably arranged at the top of the flat box body; a water inlet is formed in the top of the box cover and communicates with a communicating cavity in the box cover, and the communicating cavity is connected with a nozzle at the bottom of the box cover; a partition plate is fixed to the lower portion of the interior of the flat box through a step, a plurality of leakage holes are formed in the partition plate, a monitoring unit is installed on the partition plate between every two adjacent leakage holes, an upstream pipe is installed on the portion, on one side face of the flat box, of the bottom flow channel, a downstream pipe is installed on the opposite side face of the flat box, and stop valves are installed on the upstream pipe and the downstream pipe correspondingly. And a pumping device is mounted on the upstream pipe. According to the utility model, the section structure of the saturated soil body under the subsurface erosion effect can be displayed, so that direct observation from the outside is facilitated. According to the utility model, the activity influence of underground water is fully considered, so that the subsurface erosion process can be simulated more truly, and reliable data support can be provided for subsequent working conditions.

Tightness of a wearable device can be evaluated through direct observations of how the device responds to a physical stimulus. For example, by applying a varying pattern of vibrations such as a CHIRP signal with a haptic output element or the like to a device strapped to a wrist or other body part, the mechanical and / or optical response of the device can be measured to infer the amount of tension that is retaining the device against the body, or more generally, to evaluate whether the device is properly fitted to a user. Results can then be presented to a user objectively using Newtons or some other metric, or subjectively by providing qualitative assessments of fit. Recommendations for adjustments may also or instead be provided to the user for optimal performance of the wearable device.

The utility model discloses distance measuring equipment, which relates to the field of instrument measurement, integrates a distance measuring module and a double-color laser indicating module, detects the distance between the distance measuring equipment and a target object by using the distance measuring module, and comprises a visible laser component and an infrared laser component, the visible laser component is used for emitting visible laser, and the infrared laser component is used for emitting infrared laser. The visible laser can be directly observed by human eyes, and the infrared laser emitted by the infrared laser assembly can be observed by a night vision device; by arranging the double-color laser indication module, the double functions of visible laser and infrared laser are integrated, different lasers can be used according to different scenes, the visible laser is used for irradiating a target object if direct observation is needed, and the infrared laser is used for irradiating the target object if concealment needs to be improved. When the infrared laser is used for indication and the distance measuring module is used for distance measurement at the same time, the two emitted laser beams cannot be directly observed by naked eyes, the target distance can be measured under the condition that the self position is not exposed, and higher concealment is achieved.

The utility model provides a saturated soil ice lens growth observation test device which comprises a supporting part and a container arranged on the supporting part and used for loading saturated soil, a first heat exchange part is arranged on the upper side of the container, a second heat exchange part is arranged on the lower side of the container, and a water supply part is arranged between the second heat exchange part and the container. Supplementary water of the water supply part can enter the saturated soil through the container, the pressure applying mechanism is connected with the first heat exchange part and can drive the first heat exchange part to move in the container in the axial direction of the container and provide constant pressure for the saturated soil, and the container is made of a transparent material so that growth of the ice lens can be observed conveniently; the container is made of a transparent material, so that researchers are allowed to directly observe the whole process of moisture migration, ice lens formation and growth in the freezing process of saturated soil under the condition that the test environment is not damaged, and the researchers can more intuitively know the growth characteristics of the ice lens under different conditions; comprise the shape, the size, the growth speed and the like, and powerful support is provided for deeply researching the growth mechanism of the ice lens.

The utility model belongs to the technical field of concrete strength detection, and particularly discloses a concrete strength detection device which comprises a device frame, a smooth rod is fixedly connected to the inner side of the device frame, a falling frame is connected to the outer surface of the smooth rod in a sliding mode, and an impact head is arranged at the bottom of the falling frame. The device frame is provided with a traction release mechanism used for lifting the falling frame, and the top of the pressure measuring instrument is provided with a detection protection mechanism. According to the concrete strength detection device, the falling frame and the impact head can be lifted to different heights and fall down through the traction release mechanism, kinetic energy data at different heights are calculated through a formula Ek = mgh, and the concrete strength can be detected by matching with specific numerical values on a numerical value disc on the pressure measuring instrument. A tester is allowed to directly observe and record the damage condition of the concrete stone under different kinetic energy impacts, more intuitive and comprehensive data support is provided for evaluating the performance of the concrete stone, and the strength characteristic of the concrete stone can be known more accurately.

The invention provides an early-stage focus multi-mode imaging observation endoscope system, and belongs to the technical field of medical apparatuses and instruments. An integrated electronic endoscope; the integrated electronic endoscope internally comprises an image processing device, an ultrasonic processor, a display, a natural light source device and a composite optical fiber, the system can quickly switch a white light mode and a narrow-band light mode, and tiny blood vessel abnormalities on the mucous membrane surface layer can be clearly shown; when a suspicious area is found, ultrasonic and opto-acoustic synchronous imaging can be started instantly, and the deep infiltration condition and metabolic activity information of a focus are obtained noninvasively; when pathology-level confirmation is needed, a multi-mode cooperative working mechanism of confocal microscopic imaging, in-vivo optical biopsy and direct observation of cellular morphology and glandular canal structures can be started, so that focuses, such as early cancerization and precancerous lesions, which are easy to be missed in diagnosis by a traditional endoscope can be found and identified earlier and more accurately, and the missed diagnosis rate and the misdiagnosis rate are remarkably reduced.

This application relates to a rangefinder, aiming device, and shooting aid. The rangefinder includes: a housing for detachably fixing to a scope; and a power supply, control module, laser rangefinder module, visible laser designator, display module, and optical diopter adjustment system housed within the housing. The visible laser designator is coaxial with the laser rangefinder module and is used to indicate the position when the rangefinder module's aiming position coincides with the center of the scope's dividing plate. The image displayed by the display module is adjusted by the optical diopter adjustment system to suit the observation habits of different users and to make the rangefinder data visible within the eyepiece field of view of the scope. The rangefinder provided by this application allows users to use the scope normally according to their original usage habits, and can directly observe the rangefinder data within the original scope's eyepiece field of view without any modification or adjustment to the original scope. It is simple, convenient, and cost-effective.