11results about How to "Avoid affecting accuracy" patented technology

The utility model provides a television shell welding device which comprises a mounting bottom plate, a mounting frame is arranged at the top of the middle of the mounting bottom plate, a supporting frame is arranged on the inner wall of the middle of the mounting frame, a mounting plate is arranged on the inner wall of the side end of a mounting groove, and an electric push rod is arranged on the inner wall of the side end of the mounting plate. Limiting plates are arranged on the inner walls of the side ends of the limiting frames, guide grooves are formed in the inner walls of the two ends of the mounting frame, guide rods are arranged between the inner walls of the guide grooves, and sliding mounting plates are slidably connected to the guide rods. According to the television shell welding device provided by the utility model, through the limiting plate arranged at the side end of the mounting groove, shells with different sizes and different models can be limited and fixed during welding work, so that position deviation during welding work is prevented, and when the device is used for welding, the welding efficiency is improved. And through the sliding mounting plate capable of automatically adjusting the position, the workpiece can be adjusted to a proper position for welding.

The utility model provides an AGV forklift goods detection stabilizing device, and belongs to the technical field of automatic guided vehicles. The device comprises a fixing plate, a main goods detecting part, a central goods detecting part, an auxiliary goods detecting part and a control unit. The main goods detecting part comprises two goods detecting assemblies, each goods detecting assembly is provided with a fixing frame, a goods detecting baffle, an elastic limiting piece and a first proximity switch, and when the included angle between the goods detecting baffle and the fixing frame is smaller than or equal to 5 degrees, a first detecting signal is output; the central cargo detection part comprises an inductive sensor, detects the cargo insertion state and outputs a second detection signal; the auxiliary goods detecting component comprises a second proximity switch, and when goods enter the sensing range, a third detection signal is output. The control unit receives the three paths of signals at the same time, and outputs a signal of detecting goods in place only after the three paths of signals are all continuously conducted for at least preset time. According to the utility model, the cargo insertion stability is ensured through multiple detection mechanisms, and the safety and reliability of the operation of the AGV forklift are improved.

This utility model discloses a fixing structure for an oxygen concentration sensor used in an oxygen concentrator, relating to the field of oxygen concentrator technology. It includes a sensor body, with a first spiral column spirally connected inside the air inlet pipe. A movable mechanism is provided inside the air inlet pipe. This movable mechanism allows the sensor to be connected to a flexible hose when used inside the oxygen concentrator. When the sensor is not in use externally, the air inlet pipe is automatically sealed, eliminating the need for manual operation and providing great convenience. Sealing effectively prevents dust from entering the sensor through the air inlet pipe, providing excellent protection and preventing dust from affecting the sensor's operation. Furthermore, by setting a clamping mechanism, the sensor can be fixed to the connected flexible pipe during use, effectively preventing displacement and shaking at the connection between the flexible pipe and the air inlet pipe, thus avoiding any impact on detection accuracy due to loosening of the connection.

The application relates to the technical field of image processing, and discloses an image processing model acquisition method and device and an image processing method and device. In the method, a sample image is preprocessed by using a current image processing model to obtain a corresponding representation image; the preprocessing comprises at least one of the following four operations: a clipping operation on an edge region with a gray value less than a first threshold value, an inhibition operation on a feature response of a region with a texture change degree less than a second threshold value, a brightness equalization operation on a global region, and a decision processing operation on a region with a color component variance less than a third threshold value; the representation image is hashed by using the current image processing model to obtain a hash vector of the sample image; and the current image processing model is adjusted in parameters based on a contrast loss function until a target image processing model is obtained. The above method weakens redundant information in the sample image by preprocessing the sample image, and realizes more accurate and effective hash vector output.

The invention discloses a bent plate type weighing sensor, and relates to the technical field of sensors. The bending plate type weighing sensor comprises a bending plate type weighing sensor body, the outer wall of the bending plate type weighing sensor body is fixedly connected with a fixing frame, the back side of the fixing frame is provided with a cleaning mechanism, the outer wall of the cleaning mechanism is fixedly connected with a brushing assembly, the cleaning mechanism comprises a sliding guide rod, and the sliding guide rod is arranged on the back side of the fixing frame. According to the bent plate type weighing sensor, a sliding block moves back and forth at the top of a sliding guide rod, water flows out of a water outlet plate to flush one side of a brushing plate in the advancing direction, the effect of flushing sludge can be achieved, and the brushing plate moves to brush the sludge; and the brushing plate moves forward in an inclined manner, so that the brushed sewage is poked outwards, and the top of the bent plate type weighing sensor is kept clean, thereby preventing sludge accumulation from influencing the weighing accuracy.

The application relates to the technical field of eye movement instruments, and discloses an autism eye movement track recognition instrument, which comprises an instrument base plate, a playing device is fixedly installed at one end of the instrument base plate, a head limiting mechanism is rotationally assembled at the other end of the instrument base plate, the playing device is used for playing materials, and an eye movement tracking camera for collecting the eye picture of a patient when the patient watches the materials is hiddenly installed on the playing device. The autism eye movement track recognition instrument limits the head position of the patient through the swingable head limiting mechanism, the swing of the head of the patient can reduce the uncomfortable feeling, the eye movement tracking camera is driven to move synchronously through a power transmission assembly, the eyes of the patient can be kept facing the camera during the test process, the eyes of the patient are prevented from deviating from the shooting range of the camera, and the eye movement tracking camera is prevented from moving and lagging behind when the head of the patient swings, so that the shooting of the eyes is not delayed, and the accuracy of collecting the eye movement track of the patient is ensured.

The utility model relates to the technical field of water permeability testing, in particular to light concrete block water permeability testing equipment which comprises a detection table, a mounting groove is formed in one end of the top of the detection table, and a filter frame is mounted in the mounting groove. After the test mold is driven to descend to be tightly attached to the top of the concrete block, water is injected into the test mold for water permeability test, and the situation that water leaks from the bottom of the test mold, water loss is caused, and the test accuracy is affected is avoided by arranging a sealing gasket; the two movable blocks oppositely move to drive the connecting plate to move, the test mold is clamped by four groups of limiting frames, the disassembly and assembly are convenient, the test molds with different pipe diameters can be conveniently limited and fixed, and the permeation amounts of concrete blocks and water in different contact areas can be conveniently tested by replacing the test molds with different pipe diameters, so that the test result is more accurate, and the practicability is better.

The application discloses a kind of based on visual aid air conditioning system safety valve, belong to visual aid technical field, solve these problems existence certain concealment, for visual identification technology, it is difficult to judge dynamic pressure fluctuation condition by static image, and whether the rigidity of safety valve internal spring is appropriate Problem. Including safety valve body, three-axis vibration sensor being set on the valve body in safety valve body and collecting and outputting vibration signal, wideband pressure sensor being set in safety valve body entrance and collecting dynamic pressure change in safety valve body. The application detects the vibration and pressure condition of safety valve using three-axis vibration sensor and wideband pressure sensor, completes primary detection;Secondary detection is carried out by cooperating photoelectric pulse statistics and visual identification, and the final judgment is output combined with two-stage detection results, to ensure accurate identification of safety valve frequency jump or flutter, to avoid the influence of single visual identification technology on accuracy.

This utility model provides a glass processing adhesive coating device, relating to the field of glass processing technology. It includes a mounting base, a limiting component disposed on one side of the mounting base, a suction cup disposed on the outer top of the mounting base, a locking component disposed above the mounting base for locking the position of the suction cup, and a base plate disposed on one side of the suction cup. As the glass size increases, the receiving plate expands outwards, automatically increasing the waste adhesive receiving range. This allows for more comprehensive collection of waste adhesive generated during the coating process, reducing environmental pollution and equipment cleaning burden caused by waste adhesive spillage. It ensures a clean processing environment and reduces subsequent cleaning and maintenance costs. Overall, this device demonstrates outstanding advantages in flexibility, efficiency, precision, and environmental friendliness, effectively meeting the actual needs of glass processing adhesive coating.

The invention relates to a single molecule scanning, capturing and detecting control method, and belongs to the field of measurement and analysis. According to the method, a nanoscale glass microtube approaches the surface of a sample, and the distance between a probe and the sample is controlled by monitoring the current change in real time. The method comprises the following specific steps: preparation work, initialization of a nano control platform, approaching of a probe to a sample liquid level, approaching of the probe to a sample surface (coarse probe insertion), and approaching of the probe to the sample surface (fine probe insertion). The method can realize rapid capture of a single molecule and accurate detection of via hole current, realizes rapid scanning of sample molecule plane distribution and structure, can longitudinally capture and control a single long-chain molecule, feeds back blocking current of the long-chain molecule in a glass nanopore in real time, realizes structural feature detection of the single long-chain molecule, and has a good application prospect. The detection method can be used for detection of long-chain DNA and RNA molecules. The method has the advantages of simplicity in operation, high detection precision and the like, and has a wide application prospect in the fields of biomolecule detection, single molecule research and the like.

The utility model relates to the technical field of recognition devices, in particular to an angle-adjustable license plate recognition device. The technical problem is that when an existing license plate recognition device is used in an actual scene, a vehicle may drive into a recognition area at various angles and postures, so that a license plate may incline in an image, and the recognition accuracy is affected. According to the technical scheme, the angle-adjustable license plate recognition device comprises a lifting assembly, a rotating assembly, a recognition assembly and an illumination assembly, after a camera body is close to a vehicle license plate, a T-shaped sliding block drives a second rotating ring sleeve to be in sliding connection with a supporting column along a T-shaped sliding groove through the action of an infrared distance detector and the driving of a driver, and the angle-adjustable license plate recognition device is used for recognizing the license plate. And then through driving of the driver, the second rotating shaft drives the camera body to rotate along the second rotating ring sleeve to be parallel to the ground, so that the camera body can identify the vehicle license plate more effectively.