13results about How to "Guaranteed anti-interference ability" patented technology

The application belongs to the field of cable detection, and discloses a low-voltage cable comprehensive line searching device, which comprises a transmitter and a receiver; the transmitter comprises a power module, a modulation unit, an oscillation unit, a chopping unit, a voltage transformation unit, an isolation protection unit and an output unit; and the receiver comprises a cable identification sensor, a path detection sensor, a line searching signal detection unit, a power supply unit, a filter amplification unit, a power amplifier unit and an acoustic surface output unit. The device integrates cable path testing, cable identification and cable core line searching functions, and is lower in cost, portable and simple to operate, compared with the traditional cable path tester and cable identification instrument which are single-function devices, and can quickly solve the cable line inspection function and identification task in the transformer substation, complete the accurate cable line searching work, improve the work efficiency of the transformer substation cable inspection and replacement, and reduce or even eliminate the safety risk of the transformer substation reconstruction and expansion construction.

The application discloses a workpiece surface profile line concave-convex anomaly detection and quantification method, and belongs to the technical field of precision measurement. The method comprises the following steps: S1, data acquisition; S2, parameter setting; S3, iterative anomaly segment identification; S4, anomaly segment refinement and type judgment; S5, point-level and segment-level quantification of the refined anomaly segment; S6, anomaly quantification result output and visualization; and S7, workpiece surface profile qualification judgment. The workpiece surface profile line concave-convex anomaly detection and quantification method has stronger adaptability to free surfaces and complex structures of non-standard parts, significantly improves detection precision and efficiency, and is significantly superior to traditional threshold methods and template matching methods in terms of precision and noise resistance, is suitable for complex environments in industrial sites, and meets the development needs of intelligent manufacturing for detection technology in terms of multi-scene coverage, high-precision quantification, high-efficiency response and flexible adaptation.

The invention relates to the technical field of wireless communication, and provides a seabed node wireless communication anti-interference system, which comprises a high transmission rate signal module and a low transmission rate signal module based on a millimeter wave frequency band, the high-transmission-rate signal module is configured to transmit and receive network data streams and is used for seismic data transmission; the serial port signal module is configured to be used for time service signal transmission; the second pulse signal module is configured to be used for clock calibration; the antenna transmitting plane of the high-transmission-rate signal module intersects with the antenna transmitting plane of the low-transmission-rate signal module, and the intersection angle is larger than half of the sum of the half-power beam width of an antenna. The arrangement distance of the wireless communication module can be reduced to a greater extent in narrow working scenes such as seabed nodes so as to better adapt to space requirements and effectively eliminate signal interference, and stable transmission of high-speed seismic data, low-speed control and time service signals is guaranteed. The method provided by the invention has corresponding advantages.

The utility model discloses a kind of devices for improving the anti-interference of garden electronic fence, including garden wall, the upper end of garden wall is uniformly equidistant along its length and is equipped with hollow support rod, two hollow support rods between adjacent are connected with metal wire, the both ends of metal wire are all equipped with control insulator;The front side wall of garden wall is equipped with equipment groove, equipment box is assembled in the inside of equipment groove;The device for improving the anti-interference of garden electronic fence is set, structure design is reasonable, filter is assembled on the power output end and signal transmission line of fence equipment body, can be specifically targeted to cut off the interference signal of specific frequency, only allow the frequency signal of electronic fence normal work to pass, greatly improve the anti-interference ability of electronic fence system to power and signal transmission process, reduce the false alarm, the situation of missing report due to interference, significantly improve the protection precision and reliability of electronic fence.

This utility model discloses a high-speed real-time target recognition and tracking device based on multimodal sensor fusion, relating to the field of intelligent sensing and target tracking technology. It addresses the problems of unreasonable sensor layout, low data fusion efficiency, and difficulty in adapting to complex environments found in existing similar devices. The high-speed real-time target recognition and tracking device based on multimodal sensor fusion includes a housing, a central processing module, a lidar component, a millimeter-wave radar component, a binocular vision component, an ultrasonic sensor group, a power supply module, and a communication module. The multimodal sensor fusion architecture and innovative component structure of this utility model, through optimized sensor layout and data fusion methods, effectively solve the shortcomings of existing devices in target recognition and tracking, achieving high-speed, real-time, accurate, and stable target recognition and tracking.

The present application relates to the technical field of medical detection, and particularly relates to a high-hook-capability and anti-interference HBP detection kit, which comprises R1 reagent and R2 reagent; 3-[3-(cholylamido propyl) dimethylamino] propanesulfonic acid inner salt and sodium dodecyl sulfate are used to prepare the reagent R1, and by adjusting the use ratio of the two, the mutual cooperation of the two can ensure the reaction sensitivity of the reagent and improve the anti-interference performance of the reagent; two kinds of latex microspheres with different particle sizes are used to coat two kinds of HBP antibodies with different antigen recognition epitopes in the reagent R2, which can not only ensure that the reagent has a wider detection range in the high value area and improve the hook capability, but also ensure the sensitivity of the kit; the activation system adopts the method of combining two activators of NHS and EDC, which can effectively improve the coupling efficiency. Meanwhile, the present application also provides a preparation method of the high-hook-capability and anti-interference HBP detection kit, which does not need centrifugation and resuspension operation steps, and the method operation is simpler and the production cost is lower.

This invention discloses a CAN bus transceiver interface circuit with intelligent fault diagnosis function, including a CAN bus transceiver, a microcontroller unit, a CAN bus protection module, a CAN bus status monitoring module, and a fault indication module. The CAN bus transceiver is electrically connected to the microcontroller unit, the CAN bus protection module is connected in series between the transceiver and the CAN bus, the status monitoring module collects differential voltage and single-line absolute voltage, the microcontroller unit identifies various physical layer faults through a fault diagnosis algorithm, and the fault indication module issues an alarm. This circuit solves the problems of passive and untimely fault diagnosis in traditional CAN bus interface circuits, realizing real-time proactive diagnosis of physical layer faults, simplifying fault troubleshooting, and enhancing the reliability of in-vehicle CAN communication and vehicle operation safety.

This invention provides a dynamic networking anti-interference diagnostic method for GIS sensors based on the K-nearest neighbor algorithm, belonging to the field of power Internet of Things (IoT) communication technology. The method includes: collecting raw data of multi-dimensional communication link characteristics between GIS sensor nodes within a time sliding window of a set size and sliding step, and performing Z-score standardization; calling a dynamic anti-interference training sample library with online incremental learning and forgetting mechanisms; using an improved K-nearest neighbor classification model that incorporates a time decay factor, determining the current communication link status category in real time by calculating weighted Euclidean distance, employing an adaptive K-value selection strategy based on sample density, and using Gaussian kernel function weighted voting; and finally triggering targeted adaptive frequency selection networking strategies or hierarchical fault warning operations based on the determined category. This invention can effectively distinguish between environmental interference and hardware faults in strong electromagnetic environments of GIS, significantly improving the communication reliability and self-healing capability of wireless sensor networks.

This invention discloses a broadband linear graded filter for spectral imaging, possessing high transmittance and excellent stray light suppression performance. The filter employs a multilayer thin-film structure, including an interference cutoff film system above a substrate and a narrowband filter film system below. The narrowband filter film system achieves high transmittance in the 500-800 nm wavelength range through an optimized design using multiple alternating combinations of high and low refractive index materials. The interference cutoff film system effectively suppresses stray light through its long-pass and short-pass design.

This invention relates to the field of power transmission and distribution equipment technology, specifically an intelligent pole-mounted circuit breaker. The pole-mounted circuit breaker includes a mechanism box and multiple solid-sealed poles fixed to the top of the mechanism box. Each solid-sealed pole integrates an arc-extinguishing chamber, and each arc-extinguishing chamber is equipped with a cleaning mechanism for automatically cleaning the contact arc-sintered composite scale layer on the surfaces of the moving and stationary contacts. The mechanism box contains a permanent magnet operating part for controlling the opening and closing of the moving and stationary contacts. Both sides of the mechanism box are equipped with sound-and-light bird-repelling mechanisms, and the mechanism box also contains a drive mechanism for controlling the operation of the two sets of sound-and-light bird-repelling mechanisms. This invention not only enables automatic cleaning of the contact arc-sintered composite scale layer on the surfaces of the moving and stationary contacts during the separation process, but also utilizes the sound-and-light coordinated design of the bird-repelling structure to meet bird-repelling operation requirements under different weather conditions.

The application discloses a broadband dual-circularly polarized phased array antenna loaded with a mixed decoupling structure and relates to the technical field of antennas.The broadband dual-circularly polarized phased array antenna loaded with the mixed decoupling structure comprises a first metal layer, the first metal layer comprises a Chinese character-shaped metal strip and four pairs of concave Chinese character-shaped metal strips, the first metal layer is arranged on the upper surface of a top layer dielectric substrate, a second metal layer is arranged on the lower surface of the top layer dielectric substrate, the Chinese character-shaped metal strip is connected with the second metal layer through a grounding metal column, a third metal layer is arranged on the upper surface of a bottom layer dielectric substrate, a metal bottom plate is arranged on the lower surface of the bottom layer dielectric substrate, the second metal layer is connected with the metal bottom plate through an isolation metal column, the isolation metal column passes through an intermediate layer prepreg adhesive sheet and the bottom layer dielectric substrate, the third metal layer is connected with the metal bottom plate through a metal probe, and the third metal layer is bonded with the second metal layer through the intermediate layer prepreg adhesive sheet.The application provides a decoupling scheme with high performance, low cost and easy integration.

The embodiment of the application discloses a step-by-step injection control system of a super-high compression ratio multi-stage injection device, which comprises a monitoring module, a control module, a plurality of valves and a multi-stage injector. The multi-stage injector adopts a series layout, and the outlet of a front-stage injector is connected with the inlet of a rear-stage injected fluid, so as to realize step-by-step pressurization. The multi-stage injector comprises a fixed first-stage injector and an adjustable injector provided with an adjusting cone mechanism. The injected fluid inlet of the first-stage injector is used for receiving the injected fluid, and the working fluid inlet of each stage of the injector is used for receiving the working fluid. The outlet of the last-stage injector is used for outputting qualified mixed fluid, so as to realize the back injection of the injected fluid in the qualified mixed fluid. The monitoring module collects the actual pressure and the adjusting cone position of a plurality of preset positions in real time. The control module generates a control signal according to the deviation between the actual pressure and the target pressure or based on the system operation mode, so as to control the adjusting valve opening degree and the adjusting cone position.

The invention belongs to the technical field of cross-domain unmanned systems, and particularly discloses a buoyancy-driven rotary binocular camera device for an amphibious robot, which comprises a base assembly, a connecting assembly and a camera assembly, the base assembly comprises a base shaft, a fixing piece and a rotation control piece. The connecting assembly comprises a connecting rod, a balance weight piece and a buoyancy piece, the camera assembly comprises a first camera close to the balance weight piece and a second camera close to the buoyancy piece, the first camera is provided with a first water immersion switch, and the second camera assembly is provided with a second water immersion switch. Through an ingenious buoyancy driving and water immersion switch linkage mechanism, full-automatic and self-adaptive switching of the working state of the binocular camera device is realized. The whole switching process does not need motor driving, the structure is simple and reliable, energy is saved, the amphibious robot adapts to the severe environment, and the environment sensing autonomy of the amphibious robot and the environment adaptability of the whole system are remarkably improved.