26results about How to "Accurate observation" patented technology

The utility model provides a full-spectrum LED head scanning device, which relates to the technical field of medical equipment and comprises a full-spectrum LED scanning device, a supporting buffer structure and a fixing structure. A controller is arranged on the full-spectrum LED scanning equipment, a connecting base is arranged at the bottom of one side of the full-spectrum LED scanning equipment, a supporting block is fixedly connected to the top of the connecting base, a lying bed is arranged at the top of the supporting block, and a supporting buffer structure is arranged on the lying bed; according to the supporting and buffering structure, a fixing pad is arranged at one end of the top of the lying bed, and a sponge pad is arranged on the fixing pad; one end of the lying bed is fixedly connected with an extending convex plate, the bottom of the lying bed is fixedly connected with a right-angle bottom frame, through the arrangement of the supporting buffer structure, when a patient lies down, the head and the neck can descend in a coordinated mode, discomfort caused by height difference is avoided, and the patient can be kept in a more relaxed state in the scanning process; especially for long-time fixed posture scanning, the fatigue feeling of the body is greatly relieved, and the comfort degree of the whole detection process is improved.

This invention belongs to the field of daily chemical products technology, specifically relating to an antibacterial care liquid and its preparation method. It is processed from main ingredients and auxiliary ingredients. The auxiliary ingredients include the following components by weight percentage: purified water 89.30%, silver ions 3%, honeysuckle extract 1.2%, wild chrysanthemum extract 1.2%, purslane extract 1.2%, clover extract 1.0%, gentian root extract 1.0%, hyaluronic acid 0.5%, carbomer 0.8%, and triethanolamine 0.8%. The main ingredient is American cockroach extract, and the weight ratio of the main ingredient to the auxiliary ingredients is 3:100. The product of this invention has the effects of repairing skin cells and slowing down skin aging. It can solve the problems of dry and loose skin, and at the same time, it can resist acne and pimples, remove acne marks, lighten scars, and make the skin moist, shiny, and elastic. It also has a good repairing effect on various wounds such as ultraviolet rays and radiation burns, as well as bedsores and frostbite.

The application discloses an AFS, ARS and DYC cooperative control method of a distributed electric drive vehicle based on DDPG. The method utilizes a cooperative control method and a deep reinforcement learning method, designs and develops a vehicle stability control method based on a centroid side slip angle and a yaw angular velocity, takes driving signals provided by a driver and measured or estimated vehicle state information as input, and judges the stability of the vehicle. When the active safety system needs to intervene, a DDPG-AAD model trained offline by a strategy deep gradient algorithm is used to coordinately control AFS, ARS and DYC systems, precise and independent control of each wheel is realized, and thus the active safety driving stability of the vehicle is improved.

The utility model discloses a variable-focus artillery bore peeping instrument, which relates to the field of bore peeping instruments, and adopts the technical scheme that the variable-focus artillery bore peeping instrument comprises a main body and a variable-focus camera module, a plurality of supporting wheel sets are arranged on the periphery of the body in the radial direction. The variable-focus camera module is arranged at the front part of the main body; and the variable-focus camera module is connected to the control box through a wire harness. And the side wall conditions of the bores with different depths can be accurately and clearly observed through the focusing system, so that the omission of fine defects can be effectively avoided.

The invention provides an electrical parameter measuring device and method for a rock and soil sample. The device comprises a device base, a horizontal holder assembly, a pressure assembly, an AB power supply electrode assembly, a top end M and N spring electrode assembly, a lateral MN probe electrode assembly and an electrical parameter measuring module. Two horizontal clamp assemblies are symmetrically arranged on the left side and the right side of the device base, pressure assemblies are installed on the horizontal clamp assemblies and abut against the AB power supply electrode set, the top end M and N spring electrode assemblies are installed at the two ends of the middle of the device base and stretch across the device base, and the lateral MN probe electrode assembly is installed on the rear side of the device base. And the electrical parameter measuring module is connected with an electrode column on the device base. The technical problems that in a traditional method, clamping force is difficult to control, contact is poor, current distribution is uneven, the process is opaque, data cannot be post-processed and the like are solved, and universalization, high precision and repeatable measurement of rock and soil samples are achieved.

The application discloses a non-singular fast terminal sliding mode vibration active control method based on a compensation function observer, 1) according to elastic dynamics, a fourth-order modal equation of a four-side fixed support plate structure driven by an electromagnetic inertial actuator is established; 2) in view of external unknown interference and modeling uncertainty existing in the system, a compensation function observer is designed to realize real-time estimation and compensation; 3) a non-singular fast terminal sliding mode surface is constructed, and a sliding mode control law is designed in combination with the observer output, so that the singularity problem of a traditional terminal sliding mode is solved, and the time for system state to reach a balance point is shortened through a fast convergence term; 4) a comparison experiment is designed, and the composite control method designed in the application can significantly reduce the vibration amplitude of the four-side fixed support plate while guaranteeing the finite time stability of the system, and has stronger anti-interference ability and higher vibration suppression precision compared with the traditional sliding mode control.

This utility model belongs to the field of crop carbon conversion measurement technology, and specifically discloses a device for detecting the soil organic carbon activation effect of straw return to the field. It includes a planting unit, a first soil detection unit and a gas detection unit. Crops are planted in the planting unit, and then the liquid phase sample of the soil is detected in real time using the first soil unit. Then, the carbon content of the gas in the planting unit is detected using the gas detection unit, so as to obtain the dynamic changes of the organic carbon activation effect during the straw return process.

This utility model provides a verticality testing device for water conservancy engineering surveying, relating to the field of water conservancy engineering. The device includes a worktable with four support rods fixedly installed on its bottom surface at the four corners. Two plumb lines are fixedly installed on the bottom surface of the worktable, with a plumb bob A fixedly installed at the bottom end of each line. Two swing mechanisms are fixedly installed on the upper surface of the worktable, arranged vertically. A vertical tube is fixedly installed on the worktable, penetrating downwards through the worktable, with its inner hole extending through the worktable. Two arc-shaped plates are fixedly installed at the upper end of the tube, with a rotating ball positioned between them, allowing the ball to rotate omnidirectionally relative to the plates. This verticality testing device for water conservancy engineering surveying, through the use of a rotating ball, testing blocks, and a lever, achieves a convenient effect in detecting verticality, offering better results than traditional conical plumb bobs.

The utility model discloses a test tube colorimetric structure, including base, the base top is equipped with baffle, still be equipped with test tube area and colorimetric card area through the baffle separation of base top, be equipped with the test tube movement structure of test tube area location, still be equipped with the colorimetric card limiting portion of colorimetric card area location, be equipped with the first light source of the test tube of the illumination in test tube area, be equipped with the second light source of the illumination of colorimetric card in colorimetric card area. The utility model provides a test tube colorimetric structure, when carrying out colorimetry to test tube and colorimetric card, and it is not easy to appear the problem of partial color, and the colorimetry accuracy is higher.

A rare earth crystal observation method based on a deep learning model combined with a watershed algorithm, comprising the following steps: step 1: preparing a rare earth crystal structure image dataset, dividing the entire dataset into a training set and a test set; step 2: data augmentation is performed on the training set images; step 3: the improved Unet3+ deep learning model is trained using the training set, and the segmentation model is evaluated on the test set according to the image segmentation evaluation index, to obtain the final image segmentation model, which is used to predict the crystal structure image to obtain the original segmentation result image; step 4: for the original segmentation result image, a post-processing is performed thereon by using a watershed algorithm; and step 5: the final segmentation result image obtained after the post-processing in step 4 is observed, and the feature information of all connected regions is counted by using an OpenCV library. The present application can provide faster and more accurate crystal segmentation and statistical analysis.

The utility model discloses a boiler combustion device which comprises a combustion bin, a bearing frame is arranged on the upper surface of the combustion bin, a recovery bin is arranged at the lower end of the front side of the combustion bin, an operator can directly observe the state of flames in the combustion bin through an observation window, and the color, shape and stability of the flames can reflect the sufficient degree and efficiency of combustion. In addition to observation of flames, combustion conditions of fuel in the combustion bin can be observed, for example, whether the fuel is uniformly distributed in a combustion area or not and whether the phenomenon of coking or carbon deposition exists or not, and in the combustion process of the boiler, dust in the environment and tiny particles generated by combustion may be attached to the surface of the observation window. The dust and dirt can be scraped off regularly or irregularly through the scraping rod, it is ensured that the observation window is kept clear all the time, and therefore an operator can accurately observe the conditions, such as the flame state and the fuel combustion condition, in the combustion bin through the observation window, and misjudgment cannot be generated due to the fact that the observation window is fuzzy.

This invention provides a multi-channel receiving method, apparatus, storage medium, and electronic device for ultrasound imaging. The method includes: S1, controlling the multi-channel transmission signals on the channel device; S2, controlling each element on the probe to receive signals transmitted by at least two channels on the channel device; S3, filtering noise from the signals transmitted by at least two channels on the channel device received by each element to obtain effective signals; and S4, performing ultrasound imaging based on the effective signals. The multi-channel receiving method, apparatus, storage medium, and electronic device for ultrasound imaging of this invention utilize multi-channel transmission and single-channel reception, and perform noise filtering to effectively eliminate the influence of noise and improve the signal-to-noise ratio.

The utility model discloses an intubation guiding device with a soft head end, which comprises an ingress pipe, one end of the ingress pipe is fixedly connected with a hose, the color of the surface of the hose is different from that of the ingress pipe, the surface of the ingress pipe is provided with a first vent hole, and the surface of the ingress pipe is provided with a second vent hole. According to the intubation guiding device with the soft head end, one end of the ingress pipe is fixedly connected with the hose, and the bending degree of the hose can be the same as that of a laryngoscope, so that when the intubation guiding device is used, the matching degree between the intubation guiding device and the laryngoscope is high, the color of the surface of the hose is different from that of the ingress pipe, and when the intubation guiding device is used, the color of the surface of the hose is different from that of the ingress pipe. By means of different colors between the hose and the ingress pipe, medical staff can observe the intubation guide device with the soft head end more accurately, a good visual effect is provided, and the intubation guide device is very convenient to use.

The utility model discloses a spiral-based device for measuring the inner diameter of a steel pipe, which comprises a measuring disc and a driving disc which are coaxially arranged, and the measuring disc is rotatably connected with the driving disc; a plurality of sliding rulers which are radially distributed by taking the circle center of the measuring disc as the center are arranged on the measuring disc along the circumferential direction, and the sliding rulers are in sliding connection with the measuring disc; and the sliding ruler can move along the radial direction to extend out of the edge of the measuring disc under the rotation action of the driving disc. According to the device for measuring the inner diameter of the steel pipe, the plurality of sliding rulers can extend out by driving the driving disc to rotate, so that when the end parts of all the sliding rulers are in contact with the inner wall of the steel pipe at the same time, the inner diameter of the steel pipe at each time can be visually observed; meanwhile, if the inner wall of the steel pipe is uneven, the position of the measuring disc can be rotated to enable the sliding ruler not to be in contact with the sunken part, so that a worker can accurately observe and record data.

The invention discloses a control method and device of a photovoltaic tracking motor, electronic equipment and a storage medium, and relates to the technical field of new energy power generation. The method comprises the following steps: acquiring ideal input and actual output signals of a photovoltaic support, and constructing a speed-current double closed-loop control system; wherein the speed loop adopts an improved fractional order active disturbance rejection control algorithm, and the algorithm is executed by a controller comprising a fractional order nonlinear differentiator, a fractional order PID controller and a fractional order expansion state observer. The fractional order nonlinear differentiator is configured with an improved steepest tracking function constructed based on a hyperbolic tangent function, and a smoothing factor is used for carrying out continuous processing on a control quantity so as to replace step mutation of a sign function at a zero point. According to the invention, by optimizing the control algorithm structure, the non-continuous sudden change of the control signal is eliminated, the high-frequency oscillation is effectively suppressed, and the stability and response speed of the photovoltaic tracking system in a complex environment are improved.

The utility model discloses an angle adjustable secondary electronic endoscope, including camera lens, mirror pipe, joint and angle adjusting assembly, the camera lens includes casing, glass window, illumination module, camera head and with camera head links to each other camera module, the glass window is fixed on the front end opening surface of casing, the illumination module, camera head and camera module are located in the casing inside, the casing is connected with the front end of mirror pipe and rotates, the angle adjusting assembly includes drive link and drive rod, the drive link sets up in the mirror pipe inside, and the front end of drive link is hinged with the rear end one side of camera lens casing, and the rear end of drive link is connected with the inner end of drive rod, the utility model has the advantages that: utilize drive link and drive rod and constitute angle adjusting assembly, and medical staff only needs simple push -and -pull drive rod to realize the quick adjustment of camera lens angle, has solved the inconvenient adjustment of the existing secondary electronic endoscope camera lens angle problem.

The invention relates to the technical field of insect olfactory behavior experiments, and discloses an experimental device for studying insect olfactory behaviors, which comprises a base, and a bracket is fixed on the base; the video recording device is mounted on the bracket; the air inlet box is fixed at the top end of the bracket; the annular pipe is fixed on the top surface of the base; the air supply assembly is arranged on the base; and the plurality of gas storage assemblies are filled with different types of test gas respectively, the plurality of gas storage assemblies are all arranged on the base, and the plurality of gas storage assemblies are distributed along the annular pipe in a circumferential array mode. According to the invention, a plurality of gas cylinders are used for storing different types of test gases, and a plurality of odor compounds can be tested at the same time, so that the smell behavior reaction of insects to different odors can be screened, and the screening efficiency of the odor compounds is improved.

The utility model relates to the technical field of paint processing, in particular to paint color mixing equipment. The paint color mixing equipment comprises a rotating rack which is rotationally mounted on a base. The hydraulic rod is rotationally mounted on the base, and the output end of the hydraulic rod is rotationally connected with the bottom of the rotating rack. The mixing barrel is rotationally arranged on the rotating rack, and the mixing barrel is of a cylindrical structure; and a discharge port and a feed port are respectively arranged at the two ends. The rotation driving structure is in transmission connection with the mixing barrel and is used for driving the mixing barrel to rotate; an observation transparent ring is fixedly arranged on the mixing barrel in a communicating manner, protrudes outwards and is made of a transparent material. Through axial observation of the transparent ring, the thickness of the paint liquid can be fixed, various colors of the paint liquid can be accurately obtained, observation is accurate, and color mixing is facilitated.

The utility model relates to the technical field of sewing machine accessory devices, in particular to a novel pleat shrinking tool which is used when a sewing machine sews so as to assist a worker in observing the positions of pleat lines and cloth during pleat shrinking and solve the problem that pleat shrinking lines are not centered or the production efficiency is low during pleat shrinking. Therefore, the practicability is enhanced. Comprising a sewing table and an auxiliary plate, a supporting frame clamps the sewing table through a clamping assembly, the top end of the supporting frame fixes and displaces the auxiliary plate through a position adjusting assembly and a guiding assembly, and two sets of cloth piece observation openings and a center line observation opening are formed in the top end of the auxiliary plate.

This application provides a contactless medical display device based on media-free holography, relating to the technical field of media-free holography technology. It is characterized by including a detection tray and a media-free holographic projection module, which is mounted on the detection tray to display the detection image. This invention solves the problem that existing display devices and operators cannot operate the detection equipment simultaneously for large-scale testing equipment, thereby helping operators and testing personnel to more accurately observe and analyze the details of the test samples, improving the accuracy and efficiency of diagnosis.

The utility model provides a kind of machine tool tool detection device, it is related to machine tool tool detection device technical field, the utility model includes operation platform, the upper top of operation platform is fixedly connected with display screen, the upper top of operation platform is provided with detection support, the upper top of operation platform is fixedly connected with adjusting assembly, the adjusting assembly includes the rectangular frame of fixed connection on the upper top of operation platform, the inside rotationally connected of rectangular frame has screw rod, the surface of screw rod is connected with video camera by screw thread, the surface of detection support is provided with clamping device, the clamping device includes the threaded rod of screwing in the side of detection support, one end of threaded rod is rotatably connected with clamping plate, the side of clamping plate is fixedly connected with slide bar, the surface of detection support is slidably connected with slide bar, the side of clamping plate is fixedly connected with rubber strip, rubber strip is evenly arranged in the side of clamping plate, the utility model solves the problem that machine tool tool is inconveniently fixed on the surface of detection support.

The invention belongs to the technical field of daily chemical products, and particularly relates to antibacterial gel and a preparation method thereof.The antibacterial gel is formed by processing main materials and auxiliary materials, and the auxiliary materials comprise, by weight, 50% of deionized water, 10% of cynanchum atratum extract, 10% of wax chrysanthemum extract, 10% of fructus cnidii extract, 5% of mint extract, 5% of purslane extract and 10% of silver ions; the main material is a periplaneta americana extract, and the weight ratio of the main material to the auxiliary material is 3: 100; the product disclosed by the invention has a particularly good effect on vaginitis, colporrhagia, peculiar smell, pruritus and cervical erosion; auxiliary curative effects are achieved on male and female hemorrhoids and male prostate; the wound hemostasis and rapid wound healing effects are obvious; the traditional Chinese medicine composition has a relatively good repairing effect on burns and scalds, red and swollen ulcers, bedsores, chilblain and herpes zoster; the traditional Chinese medicine composition has a good repairing effect on ulcer and ulceration and retina injury caused by diabetic complications.

The application discloses a method for measuring catalyst pore defects, which comprises the following steps: mixing molten paraffin with a catalyst, stirring and ultrasonic dispersing simultaneously; rapidly cooling the mixture of the paraffin and the catalyst by using liquid nitrogen; analyzing the three-dimensional structure of the catalyst by using X-ray computed tomography; processing the three-dimensional scanning original data by using data processing software, and the program is sequentially median filtering, threshold segmentation, boundary particle removal, filling the catalyst image holes by using a morphological hole filling algorithm, particle marking and screening, taking an image difference set, and statistically calculating data, and finally obtaining the catalyst pore rate. Compared with the traditional measurement method, the method can more accurately observe the catalyst structure from the three-dimensional angle, and provides data for the manufacture and evaluation of the catalyst.

This invention discloses a source-address-independent distributed state monitoring method. Based on a source-address-independent random access protocol, all sensors share a common codebook, and the fusion center only needs to recover the transmitted message sequence without concern for the identity information of active sensors. First, the sensors are activated to observe some state variables and transmit the observation results uplink to the fusion center. The fusion center processes the observation information, estimates the global state vector, and broadcasts a reliability index for the state variable estimation. Then, the sensors determine their activation probability in the next time slot based on the reliability index of the estimated observable state variables. The task is completed when the estimation of all state variables in the system is reliable. This scheme achieves efficient and accurate observation of the system's global state vector using a small number of time slots.

The application discloses a kind of ignition gun electrode ignition detection device, it is related to ignition gun detection field, including detection mechanism, including handle, the connecting piece located at the top of handle, the cover cylinder located at the outside of connecting piece, the probe located in the cover cylinder and the bottom plate located in the inner wall of cover cylinder;And adjusting mechanism, including the support located in handle, the outside of support is provided with control piece, one side of control piece is provided with angle adjusting piece, and the outside end of angle adjusting piece is connected with pull rope.The application is by being inserted into to hearth by probe, is observed to the ignition gun ignition condition outside hearth by its imaging function, without personnel entering or taking out ignition gun, ensure the normal use of ignition gun, reduce the operation risk, while the use control of probe angle and cleaning piece can be realized, so that the user can adjust the angle of probe in hearth at will.

This application discloses a plasma coolant level monitoring float, relating to the field of plasma coolants. It includes a housing; a longitudinally moving structure fixedly installed inside the housing; and a linkage structure fixedly installed at the bottom of the longitudinally moving structure. The linkage structure includes a groove, with a slider slidably connected inside the groove. A disc is fixedly installed at the bottom of the slider, and a circular groove is formed at the bottom of the disc. An arc-shaped slider is slidably connected inside the circular groove. This application features a structure that allows the liquid inside the housing to tilt when the housing is tilted, causing the level monitoring float to simultaneously change position. This ensures the float can operate at the lowest point of the liquid, thus enabling more accurate level monitoring and avoiding inaccurate monitoring and coolant malfunction when the liquid level is low and the housing is tilted, which would otherwise affect the equipment's performance.