16results about How to "Reduce detection impact" patented technology

This utility model relates to the technical field of lens testing, and in particular to a shockproof lens testing platform. By using this device, four sets of telescopic tubes, four sets of telescopic rods, and four sets of springs work together to provide additional elastic buffering for the testing platform, reducing the impact of external vibrations on the testing and facilitating the fixation of the testing instrument, thereby improving its stability. The platform includes a testing platform, four sets of telescopic tubes, four sets of telescopic rods, four sets of springs, four sets of connecting plates, four sets of height adjustment devices, and a positioning device. The four sets of telescopic tubes are respectively installed on the left front, left rear, right front, and right rear sides of the bottom of the testing platform. The four sets of telescopic rods are slidably engaged with the four sets of telescopic tubes. The four sets of telescopic rods are installed on the top of the four sets of connecting plates. The four sets of springs are sleeved on the outside of the four sets of telescopic tubes and four sets of telescopic rods. The four sets of height adjustment devices are respectively installed at the bottom of the four sets of connecting plates. The positioning device is installed at the top of the testing platform.

The flow detection device comprises a shell, an airflow channel is arranged in the shell, and an air resistance structure is arranged in the airflow channel so that the airflow channel can be divided into an air inlet section located on one side of the air resistance structure and an air outlet section located on the other side of the air resistance structure. The air resistance structure is at least provided with a ventilation grid part in the middle area of the airflow channel, the shell is provided with a detection opening corresponding to the air inlet section and provided with a detection pipe extending into the air outlet section corresponding to the air outlet section, and the tail end of the detection pipe extends to the ventilation grid part to detect airflow passing through the ventilation grid part. The ventilation grating part is separated to form a plurality of airflow passing ports arranged in an array mode, airflow can be divided into a plurality of strands to pass through when passing through, the stability of the flow state of the airflow can be guaranteed, and the airflow can pass through the detection pipe in the air outlet section in a laminar flow state. The detection pipe can cross a viscous area close to the channel wall to directly detect the airflow in the central area of the airflow channel.

The utility model belongs to the technical field of magnetostriction displacement sensor precision testing, and particularly relates to an oil cylinder displacement sensor precision detection device which comprises a detection table, a magnetostriction displacement sensor assembly to be detected, a grating ruler displacement sensor assembly and a displacement linear driving assembly. The magnetostrictive displacement sensor assembly to be measured comprises a magnetostrictive displacement sensor, a displacement sensor guide rod and a magnetic ring, the magnetic ring reciprocates along the displacement sensor guide rod, and the grating ruler displacement sensor assembly comprises a grating ruler and a grating ruler displacement sensor arranged corresponding to the grating ruler. The displacement linear driving assembly comprises a displacement driving element and a displacement reciprocating sliding part, the displacement reciprocating sliding part is respectively connected with the grating ruler displacement sensor and the magnetic ring, and the displacement driving element drives the displacement reciprocating sliding part to drive the grating ruler displacement sensor and the magnetic ring to reciprocate. The automation degree is high, and the detection is accurate.

The utility model relates to a ship safety early warning device, and relates to the technical field of ship early warning equipment, the ship safety early warning device comprises a radar and a mounting seat, the radar is rotatably arranged on the mounting seat, a rotating ring pipe and a water spraying pipe are arranged on the mounting seat, the two ends of the water spraying pipe are connected with the rotating ring pipe, and a rotating driving part connected with the rotating ring pipe is arranged on the mounting seat; the rotary driving part can drive the water spraying pipe to rotate circularly, the radar is located between a rotation face formed by the rotation track of the water spraying pipe and the mounting base, the water spraying pipe is connected with a water supply system arranged on the mounting base, and a plurality of water spraying openings facing the radar are formed in the water spraying pipe and arranged at intervals in the length direction of the water spraying pipe. The radar cleaning device has the effects that the radar is automatically cleaned, climbing operation of workers is not needed, and potential safety hazards caused by ship shaking are avoided.

This invention relates to the field of laser welding, and more particularly to a laser welding machine for bridge construction, comprising a guide rail base, mounting platforms, a rotary chuck, a side frame, a telescopic drive component one, and a laser welding gun; a pair of mounting platforms are slidably disposed on the guide rail base; a rotary chuck for clamping steel pipes is mounted on each mounting platform; a telescopic drive component one is mounted on the side frame located on the side of the guide rail base; a laser welding gun for welding steel pipes is mounted on the drive end of the telescopic drive component one; the invention also includes a telescopic drive component two, an airbag, and a detection component; a telescopic drive component two is mounted on each mounting platform; an airbag is disposed on the drive end of each telescopic drive component two; a detection component for detecting gas leakage is disposed on the side frame; this invention minimizes the space required to fill the detection gas by allowing the side plate, airbag, and protective plate to form an annular space.

The application discloses a detection system and method with an anti-vibration and sensitivity-enhanced gas photoacoustic in-situ detection mechanism, which comprises an excitation light source and a collimating assembly, a photoacoustic cell and a signal processing unit. The laser emitted by the excitation light source and the collimating assembly is arranged along the central axis of the photoacoustic cell. A plurality of groups of microphones are arranged on the central section of the photoacoustic cell. Each group of microphones comprises two microphones symmetrically arranged on the left and right sides or the upper and lower sides of the central section of the photoacoustic cell. The signal processing unit receives the signals of each microphone, processes the signals, and the central section of the photoacoustic cell is a section perpendicular to the axial direction of the photoacoustic cell and located in the middle of the photoacoustic cell. The excitation light source and the collimating assembly emit laser, the signal processing unit collects and processes the signals of the plurality of groups of microphones, and the concentration of the dissolved gas in the oil circuit is obtained according to the corresponding matching relationship between the signal processing result of the signal processing unit and the gas concentration.

The application belongs to the technical field of monitoring devices, and particularly relates to a large-scale forging hydraulic press pull rod stress monitoring device, which comprises two hoops, the outer walls of the two hoops are both fixedly connected with two fixed blocks, the fixed blocks are fixed through bolts, the hoops are fixed on the outer sides of the pull rods, the side walls of the two hoops are both fixedly connected with connecting plates, the upper side walls of the connecting plates on the lower side are fixedly connected with elastic frames, the upper side walls of the elastic frames are pasted with resistance strain gauges, and the connecting plates on the lower side are connected with the left side walls of the elastic frames through amplification assemblies. After the monitoring device is installed on the surface of the large-scale forging hydraulic press pull rod through the hoops, the connecting strength between the hoops and the pull rods can be further strengthened, and after the hoops are deviated due to vibration, the situation can be detected in time, so that the problem that the accuracy of the monitoring device is affected due to the change of the reference can be avoided.

The application discloses a waste miscellaneous aluminum classification and rapid identification method and relates to the field of waste miscellaneous aluminum classification and rapid identification. S1, grading pretreatment: through a conveying belt, the waste miscellaneous aluminum to be sorted is conveyed into a three-layer vibrating screen machine to be graded and screened, and waste miscellaneous aluminum of different sizes is sorted out; S2, separation of impurities: the graded waste miscellaneous aluminum is conveyed into a drum-type magnetic separator respectively to remove magnetic impurities, then the waste miscellaneous aluminum after magnetic separation is conveyed into an air flow sorting machine to separate light non-metallic impurities, and then a conveying belt conveys the waste miscellaneous aluminum onto a loading platform, full-process automatic processing reduces manual dependence, and the work load of a single production line of sorting workers can be reduced; the classification cost is reduced, compared with manual sorting, the waste product rate of recycled aluminum alloy can be effectively reduced due to accurate classification, and economic benefits are significantly improved.

This invention relates to the field of target detection technology and discloses a method for obstacle detection in adverse weather conditions for AGV cargo vehicles used in copper electrode plate transfer. The method includes acquiring real-time images of the AGV vehicle to be detected under adverse weather conditions; inputting the real-time images to be detected into an improved YOLOX model for processing; and outputting obstacle detection results. The improved YOLOX model includes a backbone network, a feature pyramid network, a dynamic self-supervised network, and a detection head. The dynamic self-supervised network includes an environment-aware encoding layer and a dynamic feature reconstructing layer. Based on the improved YOLOX model, this invention solves the key technical problem of feature coupling caused by environmental interference in visual detection systems under adverse weather conditions by introducing a dynamic self-supervised network, and also addresses the core issue of a surge in false alarm rates in the AGV vehicle visual detection system during copper electrode plate transfer under adverse weather conditions.

The utility model relates to disinfectant concentration detection technical field, especially a kind of disinfectant concentration rapid detection device, including shell, the drainage end of water pump is fixedly connected with flow guide pipe, the inside of illumination mechanism is equipped with electric telescopic handle, the output end of electric telescopic handle is fixedly connected with cutting knife, the inside of illumination mechanism is equipped with cutting seat. This disinfectant concentration rapid detection device, through the cooperation of feeding mechanism and cutting knife, paper drop mostly will enter reaction box, through feeding mechanism and drive test paper into reaction box, staff need not to re-grip test paper every time detection, save time, improve speed, through the cooperation of illumination mechanism and display screen, display screen can very intuitively to staff reaction concentration detection data, through the bulb in illumination box, make that illumination box inside guarantee constant illumination condition, reduce the influence of illumination to detection.

The application discloses an online optical detector and relates to the technical field of optical detectors. The application comprises a detection table, the top of the detection table is fixedly provided with an optical detector body, a plurality of evenly distributed sheath passing grooves are formed in the top of the detection table, the sheath passing grooves are located at the bottom of the optical detector body, illumination lamp strips are inlaid and fixed on the inner walls of the sheath passing grooves, and vertical first fixed bearing frames are fixedly arranged at the two ends of the detection table. The optical detector body is arranged, so that when a sheath spring clamp drags a to-be-detected sheath to slide, the optical detector body detects the part of the to-be-detected sheath at the bottom of the optical detector body, the illumination lamps at the bottom of the sheath passing grooves perform reverse lighting, the structure in the to-be-detected sheath is illuminated, the optical detector body detects the structure defects and the material uniformity problems, the batch detection of the to-be-detected sheath is realized, and the detection speed is improved.

This invention discloses a gas detection device and method, solving the problems of cumbersome operation and low replacement efficiency of adding disposable protective nozzles to the sampling port in existing technologies. The gas detection device of this invention includes a cylinder and a nozzle storage unit. A rotary gas detection unit is located on the upper part of the cylinder, and an automatic nozzle removal unit is located on the other side of the cylinder. The nozzle storage unit includes a storage shell with a storage cavity for storing disposable nozzles inside. A mounting groove is formed in the middle, communicating with the storage cavity. A linkage drive mechanism for pushing disposable nozzles and driving the rotary gas detection unit to rotate is located within the mounting groove. The rotary gas detection unit, in conjunction with the nozzle storage unit and the automatic nozzle removal unit, completes the entire process from nozzle feeding, insertion, detection, removal, and recycling without manual intervention, efficiently completing the automatic replacement of disposable nozzles and reducing the risk of cross-contamination.

The invention relates to the technical field of scanning electron microscope detection, in particular to a test platform for resolution detection of a scanning electron microscope. The test platform for resolution detection of the scanning electron microscope comprises a rack which is provided with an adapter plate, and a mounting hole is formed in the adapter plate in a penetrating manner; the sample chamber is provided with a containing cavity and a connecting part which are connected, the connecting part penetrates through the mounting hole to be mounted on the rack, a shielding layer is arranged on the bottom wall of the containing cavity, and the containing cavity is suitable for containing a lens cone of the scanning electron microscope; and the sample table is fixed on the bottom wall of the accommodating cavity through a connecting assembly. During testing, the sample table is directly fixed on the bottom wall of the sample chamber accommodating cavity through the connecting assembly, so that the interference of external vibration on the sample chamber and the sample table is reduced, and the influence of the external vibration on detection is reduced to the greatest extent; and the shielding effect of the bottom wall is improved due to the arrangement of the shielding layer on the bottom wall of the sample chamber accommodating cavity, so that the test platform fully isolates external vibration and electromagnetic interference, and the test result is more accurate.

The utility model relates to the technical field of building construction, and discloses a floor thickness detector for building construction, which comprises a shell, one side of the shell is in threaded connection with a detection rod assembly, one end of the detection rod assembly far away from the shell is provided with a magneto-dependent sensor, and one side of the shell far away from the detection rod assembly is provided with a touch screen. A switch button and an external interface are arranged on the outer wall of the shell, a PCB is arranged in the shell, a power module, a processor and a signal amplification circuit are installed on the PCB, and the magneto-dependent sensor is electrically connected with the signal amplification circuit. According to the floor thickness detector, the floor thickness is calculated through the shell, the PCB, the switch button, the detection rod assembly, the external interface, the power module, the magneto-dependent sensor, the signal amplification circuit, the processor and the touch screen in combination with the preset reinforcement ratio model, and therefore the problems that in the prior art, when the floor thickness is detected, efficiency is low, and adaptability is insufficient are solved.

The application provides a structural attenuation feedback pipe wall corrosion crack image denoising enhancement method, relates to the field of image enhancement, aims to reduce the influence of uneven illumination, reflection, low illumination and noise interference on the pipe wall image by acquiring the pipe inner wall image and mapping to the axial-toroidal development coordinate system, combining low-frequency light field estimation, light correction, imaging reliability analysis and noise intensity estimation, according to the dark spot response, linear structure response, boundary irregular response and direction consistency, competing normalization generates three types of state gating diagrams of normal pipe wall, low reliability area and corrosion crack structure; the data fidelity weight, gradient smoothing weight and direction curvature constraint weight are generated from the state gating diagram, and the linear structure response attenuation amount is used for closed-loop feedback correction to construct a variational denoising model, reduce the structural loss of corrosion cracks, pitting pit boundaries and fine grooves in the denoising process, and improve the denoising enhancement effect and defect observability of the pipe inner wall image.

The invention discloses an Ai system for intelligently detecting pig backfat, eye muscle depth and eye muscle area, and relates to the technical field of livestock and poultry breeding detection. The device comprises a rack, a detection assembly, a positioning assembly and a control system, the rack is of a frame type structure, universal wheels with brake pads are arranged at the bottom, and a limiting and positioning mechanism is arranged at the front end. The detection assembly comprises a B ultrasonic host and a high-frequency ultrasonic probe; the positioning assembly comprises a height adjusting module, a front-back displacement module and a double-infrared distance meter; the control system is integrated in a B ultrasonic host, a PID adjusting algorithm and a data processing module are arranged in the control system, and automatic accurate positioning of a probe, ultrasonic data collection and error correction are achieved. Through collaborative innovation of a mechanical structure and an algorithm, a probe does not need to be held manually, the detection requirements of pigs of different varieties and different growth stages can be quickly met, the detection efficiency and the data accuracy are remarkably improved, meanwhile, data storage and export are supported, and reliable data support is provided for pig breeding and breeding.