7results 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.

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 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.

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.

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 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.