12results about How to "Avoid outages" patented technology

The application discloses a kind of transverse acceleration sensor failure analysis methods for motor train unit, which comprises: testing at room temperature and low temperature, screening to obtain room temperature failure sensor sample and low temperature failure but room temperature not failure sensor sample, disassembling before testing and testing in the process of low temperature failure but room temperature not failure sensor sample, when there is bubble after disassembly, after removing potting glue, low temperature failure but room temperature not failure sensor glue sample is tested again at room temperature, low temperature and low temperature to room temperature respectively;When low temperature failure but room temperature not failure sensor glue sample passes at room temperature, fails at low temperature, but passes after recovery room temperature, open seal processing room temperature failure sensor, when there is bubble, remove potting glue again, and test room temperature failure sensor glue sample, and the failure reason is analyzed.The method can quickly and efficiently find out the deep failure cause of sensor.

The invention discloses a table look-up type deformation matching and electromagnetic mapping digital twinning system and a table look-up type deformation matching and electromagnetic mapping digital twinning method. The system pre-constructs a multi-physical field simulation database with speed as a main key, stores a deformation three-dimensional model, pressure field data, radar cross section (RCS) data and feature point displacement, and establishes a reduced scale model deformation-speed association list. In the manual mode, the speed is directly input to call corresponding multi-physical field data; in an automatic mode, the displacement of the feature points of the reduced scale entity model is detected in real time through a displacement detection module, the current deformation quantity is calculated, a speed major key is reversely matched by adopting a minimum absolute difference method based on the association list, and then corresponding multi-physical field data is called; and synchronously displaying the deformation three-dimensional model, the pressure field pseudo-color distribution and the RCS map on a visual rendering platform, and realizing digital mapping from entity deformation to a multi-physical field state.

The utility model discloses a power grid suspension type battery ice melting device without power stop, including battery module, battery insulation support platform, two pole double -throw disconnecting switch, insulation heating resistance wire module and charging module, battery module is fixed in the top of battery insulation support platform, insulation heating resistance wire module is fixed on the wire of power grid, two pole double -throw disconnecting switch is fixed on battery insulation support platform, and one end of the two -way end is connected to insulation heating resistance wire module, and the other end connects charging module, and the public end is connected to battery module, charging module sets up on the support stage of ground, the utility model discloses through the battery of installation in suspension battery insulation support platform to heating resistance wire electrification, make heating resistance wire produce heat, and the heat is conducted to transmission line wire, thereby melting the ice on transmission line wire and preventing wire icing, avoid high voltage transmission line icing because of rain and snow weather and cause the outage accident of operation.

This application discloses a control method, control device, and electric toothbrush for an electric toothbrush, relating to the field of cleaning appliance technology. The control method acquires the current voltage value of the electric toothbrush; if the current voltage value is not less than a preset voltage value, it controls the electric toothbrush to start cleaning; during cleaning, it detects the brushing area of ​​the brush head within the human mouth; if the brushing area is within a preset area, it controls the brush head to continue cleaning; if the brushing area is not within the preset area and the current voltage value is less than the preset voltage value, it controls the electric toothbrush to stop cleaning. The control method for the electric toothbrush in this application solves the problem of accidental interruption of brushing in specific brushing areas during brushing, improving the user experience.

This invention relates to the field of gas purification equipment technology, and discloses a helium purification device, including a purification device body, an emergency mechanism and a protective mechanism disposed inside the purification device body. The emergency mechanism includes a transfer chamber, a baffle plate slidably disposed inside the transfer chamber, a diversion pipe with one end fixedly connected to the surface of the transfer chamber, the baffle plate disposed on one side of the diversion pipe, and two transmission gear plates, each of which is slidably disposed inside the transfer chamber. When the purification device body malfunctions, the baffle plate is pulled and moves, releasing the blockage on one side of the diversion pipe, allowing helium to be delivered to the interior of the abnormal reaction chamber through the diversion pipe. With the action of the emergency mechanism, this helium purification device can effectively avoid direct equipment shutdown due to electric ball valve failure, and also prevent a large influx of helium from impacting the diversion pipe.

This invention discloses a processing method supporting structured understanding of multimodal video content, relating to the fields of artificial intelligence and multimedia content understanding. The method calls an automatic speech recognition model on the audio track, outputting a text sequence with timestamps and field-level confidence labels; it performs a three-step frame filtering on the video track based on configuration parameters; for the filtered keyframes, it calls a MobileNetV3 routing classifier to output five probability distributions, distributing the frames to corresponding five specialized processors; it assembles the results and confidence labels from each processor along the timeline into a structured context, and together with the output mode and confidence-aware prompts, inputs a large language model to generate structured output; it then sequentially performs format compliance checks and semantic rationality checks, outputting a structured result with an overall confidence score. This invention effectively solves the problems of existing solutions, such as single processing path, lack of confidence awareness, and inability to detect multimodal conflicts.

The present application relates to cooling tower technical field, and disclose a kind of cooling tower with waste heat utilization structure, including tower body and water distributor being arranged in the inside of tower body, the inner wall of tower body is located at the position below water distributor and is provided with filler layer, the inner bottom of tower body is provided with water collecting tank, the top of tower body is provided with fan, four air inlet windows are opened in the position between filler layer and water collecting tank of the side of tower body, the inside of water collecting tank is provided with heat exchange pipe, the side of tower body is provided with filter corresponding with water collecting tank.The present application is through the non-stop switching structure of double-chamber double-half filter cartridge, cooperate driving motor to drive rotating plate 180 ° rotation and realize filter cartridge position interchanging, while the working chamber continues to filter, idle chamber can complete filter cartridge flushing simultaneously, without shutdown maintenance, both ensure the continuity of circulating water filtration, avoid the operation interruption of cooling tower system caused by shutdown, also prevent pipeline blockage by trapping impurities, improve the operation stability and operation efficiency of overall system.

The utility model relates to the technical field of waste gas treatment, concretely to high -efficient automatic acid -removing water washing system. System includes primary water washing tower, secondary water washing tower, spray pump and pipeline etc., and the top of primary water washing tower is connected with secondary water washing tower through the pipeline, and the primary water washing tower is connected with acid -containing tail gas inlet pipeline, and the bottom of primary water washing tower is connected with primary water washing tower spray pump through the pipeline, and primary water washing tower spray pump is connected with the top of primary water washing tower through the pipeline. The primary water washing tower is equipped with primary water washing tower liquid level detector and primary water washing tower concentration analysis instrument, and the primary water washing tower liquid level detector is connected with PLC control system, and the secondary water washing tower is equipped with secondary water washing tower liquid level detector and secondary water washing tower concentration analysis instrument, and the liquid level detector is connected with PLC control system. The system linkage through PLC control system and each liquid level detector, concentration analysis instrument, cut -off valve and pump body has realized the automatic control of hydrogen fluoride acid -containing tail gas treatment whole process.

The utility model discloses forestry ecological restoration fertilization equipment which comprises a fertilizer box, a fertilization assembly, a spraying assembly and a base, the fertilizer applying assembly comprises a rotating seat arranged on the side surface of the fertilizer box, a fertilizer applying pipe rotationally connected with the rotating seat and a connecting pipe for connecting the fertilizer applying pipe and the fertilizer box, and a plurality of openings are uniformly formed in the lower end surface of the fertilizer applying pipe in the length direction; the fertilizer pump is suitable for pumping a fertilizer in the fertilizer box into the fertilizer applying pipe through the connecting pipe, the spraying assembly is installed in the fertilizer applying pipe, and the spraying assembly comprises a spraying pipe, a sealing seat, a guiding seat, a guiding rod, a first elastic part and a sealing part. The non-uniform amount of the fertilizer sprayed from the head end and the tail end of the fertilizing pipe is avoided.

The invention relates to the technical field of electrochemical water treatment, in particular to a cathode for electrochemical water treatment, an electrochemical water treatment system and a hardness removal method for industrial wastewater. The cathode comprises a cathode substrate and an electromagnet integrated on the cathode substrate; the electromagnet is used for generating a gradient magnetic field near the working surface of the cathode substrate and controlling the gradient magnetic field to be opened and closed; and the gradient magnetic field is used for attracting the magnetic particles to form an attachable and detachable functional layer on the working surface of the cathode substrate. According to the cathode, the capacity of actively generating and withdrawing the gradient magnetic field on the surface of the electrode is obtained by integrating the electromagnet on the substrate. A functional layer composed of magnetic particles can be formed on the surface of the electrode according to needs, and after load deposition of the functional layer is completed, the functional layer can be integrally removed from the surface of the cathode by removing the magnetic field. Therefore, a deposition interface is converted from an electrode surface to a periodically replaceable consumable interface. Therefore, the scaling risk and the cleaning and maintenance difficulty on the surface of the cathode are reduced, and the service life of the cathode is prolonged.

The application provides an elevator intelligent operation and maintenance management method and system based on a multi-modal neural network, relates to the technical field of operation and maintenance management, and comprises the following steps: step 1, collecting multi-source time series monitoring data, constructing a multi-modal neural network, inputting the multi-source time series monitoring data into the multi-modal neural network, and obtaining a vibration feature vector, an acoustic feature vector and a visual feature vector; and step 2, inputting the vibration feature vector, the acoustic feature vector and the visual feature vector into a cross-modal feature fusion layer in the multi-modal neural network for fusion to generate a multi-modal joint feature vector. Through multi-modal feature fusion of multi-source time series monitoring data, multi-dimensional health state representation modeling and dynamic adjustment of fusion weights driven by data reliability evaluation, the application effectively improves the accuracy of elevator fault diagnosis and the rationality of maintenance decision, and realizes the improvement of the accuracy and efficiency of elevator intelligent operation and maintenance.

The invention belongs to the technical field of swimming pool cleaning equipment, and provides a water surface cleaning machine operation control method and device and a water surface cleaning machine. The method comprises the steps that S1, water surface cleaning machine operation preset parameters are initialized; s2, meteorological information of the position where the water surface cleaning machine is located and electric quantity information of the water surface cleaning machine are obtained based on the data acquisition assembly; and S3, the operation time correction value is updated based on the weather information and the electric quantity information, and the water surface cleaning machine is made to execute cleaning work according to the actual operation time. The method has the advantages that the running time and the pause time are dynamically distributed according to the real-time weather grade and the battery remaining capacity, and the cleaning effect of the swimming pool is kept while it is ensured that the electric quantity is fully utilized; meanwhile, by optimizing the operation time period and dynamically adjusting the charging and discharging strategy, renewable energy sources are utilized to the maximum extent, invalid energy consumption is reduced, and the equipment endurance is prolonged.