8results about How to "Realize integrated detection" patented technology

The invention discloses a universal test strip for rapid detection of multiple nucleic acid amplification products as well as a preparation method and application of the universal test strip, and belongs to the technical field of rapid detection of nucleic acid. The universal test strip comprises a reaction bottom plate, a sample pad, a combination pad, a chromatography membrane and a water absorption pad, wherein the combination pad is loaded with a marked first target antibody, a marked first quality control antibody or antigen; the chromatography membrane is provided with a detection line T coated with a second target antibody and a quality control line C coated with a second quality control antibody or antigen; the detection line and the quality control line are sequentially arranged on the chromatography membrane in parallel at intervals along the chromatography direction. The universal test strip has the remarkable advantages of simplicity and convenience in operation, high detection speed, high sensitivity, strong specificity, low cost and the like, is wide in application technical range, is suitable for various nucleic acid detection technical methods, has strong tolerance to sample inhibitors, and is particularly suitable for being combined with isothermal amplification rapid detection technologies such as RPA (recombinase polymerase amplification), LAMP (loop-mediated isothermal amplification) and the like.

This application relates to the field of pump core testing and discloses a pump core testing device, including a rotating base, an inflation component, an exhaust component, and a liquid bottle. The rotating base has a feeding groove on its circumference, and the inflation component has a track ring on one side. When the rotating base rotates, the inflation component moves along a first direction under the guidance of the track ring. The inflation component has an inflation channel connected to an inflation valve. The exhaust component is connected to a linear drive and has an exhaust channel connected to a pressure sensor and a first exhaust valve. The outlet of the liquid bottle is connected to a second exhaust valve. This application utilizes multiple feeding grooves on the circumference of the rotating base and the drive of the rotating drive to achieve continuous rotational conveying of the pump core. Simultaneously, the inflation component slides along the first direction under the guidance of the track ring, and the linear drive drives the exhaust component to move. Combined with the pressure sensor, the liquid bottle, and its detector, integrated testing of pump core output and airtightness is achieved, improving automation and significantly increasing testing efficiency.

The invention relates to the technical field of road crack measurement, in particular to a municipal road crack length and depth integrated detection device which comprises a marker post, a sliding frame, a lineation mechanism and a distance measurement mechanism, a mounting groove is formed in the middle of the sliding frame, and a steering mechanism is arranged in the mounting groove; the steering mechanism comprises a centering shaft, a supporting structure and a lifting structure; the centering shaft vertically penetrates through the sliding frame and can drive the marker post to rotate around the centering shaft; the supporting structure is rotationally connected with the lower end of the centering shaft, and the supporting structure is used for providing a supporting point for rotation of the marker post; the lifting structure is arranged at the upper end of the centering shaft and used for driving the centering shaft to ascend and descend in the axis direction of the centering shaft, and the mark post, the sliding frame, the marking mechanism, the distance measuring mechanism and the steering mechanism are arranged, so that the problem that the mark post and the whole set of equipment do not need to be integrally moved when a crack turning point is encountered is solved.

A defect detection method and system for photovoltaic cells, an initial point pair set corresponding to each line laser profiler is obtained, a first correction slope corresponding to the line laser profiler is calculated, and then the initial point pair set corresponding to the line laser profiler is profile corrected to obtain a real-time point pair set corresponding to the line laser profiler; a first type of defect detection result is obtained according to the real-time point pair set corresponding to each line laser profiler; and / or a second type of defect detection result is obtained according to the real-time point pair set corresponding to each line laser profiler and the standard profile data of the three-dimensional vision sensor corresponding thereto. The error caused by mechanism jitter, installation non-parallelism and the like is suppressed or removed through profile correction and one-dimensional signal filtering and the like, so as to improve the repeatability and stability of measurement, so that the measurement data is close to the true value, and then the accuracy of the defect detection result is ensured, and on this basis, integrated measurement of various defects is realized.

The application relates to the technical field of sensor detection equipment, and discloses a current-voltage sensor comprehensive performance detection device and a detection method, which comprise a detection chamber, a rotating and lifting mechanism is fixedly arranged on the inner top wall of the detection chamber, a driving end of the rotating and lifting mechanism is fixedly provided with a detection frame, a detection assembly is installed on the detection frame, the detection assembly comprises an electric push cylinder one, a motor one and a voltage lead wire, the electric push cylinder one is fixedly arranged on the side wall of the detection frame, and a current copper bar is fixedly arranged at the driving end of the electric push cylinder one. The application realizes integrated detection of current and voltage sensors, does not need to separately equip two sets of detection equipment, reduces equipment procurement and operation and maintenance costs, simultaneously reduces the occupied area of a detection site, and can automatically complete structure switching and wiring docking during detection, thereby saving the cumbersome steps of manual equipment replacement and manual wiring debugging, improving detection efficiency, and avoiding contact errors caused by frequent wiring and effectively guaranteeing detection accuracy.

This invention discloses a portable sound source for sound level meter testing, comprising: a semi-in-ear earphone as a sound-generating unit; a sound guide tube, with the semi-in-ear earphone disposed at the front end of the sound guide tube for conducting sound waves; a limiting component disposed at the rear end of the sound guide tube for limiting the insertion depth of the sound level meter microphone; a microphone index tube disposed at the rear end of the limiting component for fixing the sound level meter microphone; and an external shock-absorbing and sound-insulating tube covering the exterior of the above components. This portable sound source for sound level meter testing uses a semi-in-ear earphone and common tubing for assembly, making it easy to manufacture and promote. It is also small in size and lightweight, requiring no external power supply, and suitable for on-site sound level meter testing. This solution provides a single sound source covering the 20Hz-16kHz frequency band, eliminating the need for equipment switching, simplifying the operation process, and achieving integrated testing across the entire frequency band. Furthermore, it exhibits high sound field stability and good sound field uniformity.

The invention relates to the field of water quality detection, in particular to an integrated COD ammonia nitrogen phosphorus water quality detector and a using method thereof.The detector comprises a detection box body, a cleaning assembly for self-cleaning of equipment is arranged at the upper end of the interior of the detection box body, and a sample treatment assembly fixed in the detection box body is arranged on one side of the cleaning assembly; the sample processing assembly comprises a sample container box fixedly mounted in the detection box body; the cleaning assembly comprises a cleaning solution box fixedly installed at the upper end of the interior of the detection box body, the output end of the cleaning solution box is connected with a communicating pipe, and a communicating control valve is fixedly installed on the communicating pipe. The cleaning assembly can automatically inject cleaning liquid into the digestion glass tank and wash the inner wall of the tank body and related pipelines, waste liquid is recycled to the recycling box in a centralized mode through the recycling pipe, cross contamination caused by residual samples and reagents is thoroughly avoided, meanwhile, the workload of manual cleaning is omitted, and the detection efficiency is improved.

This invention discloses a tunnel crack inspection system and method based on a scene camera and a liquid lens. The tunnel crack inspection system mimics the human eye's "first gaze, then fixation" mechanism, constructing a two-stage collaborative detection system consisting of a large-field-of-view scene camera and a liquid lens camera. It achieves automatic focusing and high-precision crack imaging of the target area through electronic control. The first stage, a scene perception module composed of a large-field-of-view scene camera and a depth camera, performs global scanning and spatial ranging to quickly locate suspected defect areas and their depth information. The second stage, a high-resolution liquid lens camera, automatically focuses based on the depth information to perform fine imaging and crack quantification analysis of suspected crack areas.