11results about How to "Avoid checking" patented technology

The invention relates to the technical field of equipment operation and maintenance management, and discloses an intelligent equipment operation and maintenance management method based on a fault knowledge base, and the method comprises the steps: collecting equipment data, storing the equipment data in a data warehouse, carrying out the preprocessing of the equipment data, and guaranteeing the centralized management and easy access of the equipment data; a fault knowledge base is constructed based on historical equipment data to help understand different types of faults and reasons thereof, and support is provided for diagnosis of fault states; a state monitoring model is constructed based on historical equipment data and real-time equipment data, the fault state of the equipment is identified, potential problems can be found in time, and the fault state is prevented; if the equipment is in a fault state, the fault position is diagnosed based on the fault knowledge base and real-time equipment data, and maintenance measures are put forward, so that the maintenance time is shortened, and the equipment reliability is improved; and continuously monitoring the fault state of the equipment after maintenance, and optimizing the fault knowledge base and maintenance measures.

The application discloses a hidden type vehicle door handle transmission structure and a vehicle door opening method. The hidden type vehicle door handle transmission structure comprises a door handle arranged in a door accommodating groove, a first rotating shaft, a second rotating shaft, a third rotating shaft and an unfolding and folding driving mechanism arranged on a door body; the door handle is rotatably arranged on the first rotating shaft and is provided with a pushing handle; the first pushing swing arm is rotatably arranged on the second rotating shaft; the second pushing swing arm is rotatably arranged on the third rotating shaft; the unfolding and folding driving mechanism adopts one of a mechanical telescopic mechanism and an electric telescopic mechanism, is used for driving the first pushing swing arm to rotate, drives the door handle to rotate to pre-open the door handle, then the hand pulls the door handle to continuously rotate to the outside, drives the second pushing swing arm to rotate, and then the vehicle door can be opened, and the shared transmission structure design of the mechanical and electric pre-opening door handle is realized.

The high-precision stamping device comprises a rack, an air cylinder, a die and a stamping head, the air cylinder is fixed to the middle of the upper end of the rack, the die is fixed to the middle of the lower end in the rack, the telescopic end of the lower side of the air cylinder penetrates through the rack and is fixedly provided with a fixing plate, and the stamping head is fixed to the right side of the lower end of the fixing plate. The stamping head is located on the right upper side of the die, the positioning assembly is arranged on the portion, on the left side of the stamping head, of the fixing plate, the driving assembly is fixed to the lower right side of the rack through bolts, and the cleaning assembly is installed on the right side of the driving assembly. And meanwhile, the materials can be cleaned and stably positioned, and the stamping quality is guaranteed.

The application relates to a pipeline updating system based on a 'node-edge' relationship, belongs to the technical field of underground pipelines, and solves the problems that pipeline data nodes are not marked and manual updating is time-consuming and laborious when new pipeline data is added in the prior art. The updating system comprises the following units: a data acquisition unit used for acquiring added pipeline data and added folding points; a data updating unit used for dividing original pipeline segment vector data by using the added folding points to obtain new pipeline data; and a data storage unit used for storing the original pipeline data and the new pipeline data. The updating system realizes updating of the original pipeline data, provides an intelligent, efficient, replicable and generalizable pipeline updating system.

The present invention discloses a water level monitoring and control system suitable for a substation cable trench, including a water level monitoring device, a background control terminal and a gear control circuit; the water level monitoring device and the background control terminal are electrically connected to the gear control circuit respectively; the water level monitoring device is used to monitor the water level, the gear control circuit is used to monitor the gear and control the motor, and the background control terminal is used to display the gear status. The present invention realizes real-time monitoring of the water level of the substation cable trench, and displays it on the background monitoring terminal, avoiding personnel from opening the cable trench to check the water level; the water level monitoring device and the gear control circuit automatically start the motor to drain water according to the water level, and automatically shut down the motor when the water is drained, avoiding the situation where the cable is immersed in water for a long time; the motor can be manually started to pump water, and the operator can control the system through the background control terminal; when encountering extreme weather, the motor and the drainage ditch drain water together, reducing the possibility of the substation being flooded and causing the equipment to stop operating.

The invention belongs to the technical field of ash pollution monitoring, and discloses a transfer learning-based boiler heating surface ash pollution quantitative characterization method, which comprises the following steps of: establishing a boiler-boiler coupling model of a research object boiler by virtue of analog simulation software, and adopting a method of combining simulation modeling with actual verification. And the transfer learning-based boiler heating surface ash dirt quantitative characterization method is researched. The model and the dirt label which are established in the simulation data and are used for verifying the accuracy are migrated to the same actual heating surface for dirt quantitative characterization modeling, so that the modeling difficulty is reduced, the modeling speed is increased, the required data volume is small, and the dust deposition trend of the actual heating surface can be obtained through effective fitting. The method effectively solves the problem that the actual operation data of the boiler unit lacks a characterization dirt label and cannot provide guidance for subsequent soot blowing optimization, and has a certain application prospect.

This invention relates to an underground pipeline management system, belonging to the field of pipeline management technology, and solves the problem of time-consuming and labor-intensive manual calibration and updating of pipeline data in existing technologies. The management system includes: a data acquisition unit for acquiring newly added inflection points and cross points; a data storage unit for storing original pipeline data and updated pipeline data; a data processing unit for updating the original pipeline data to obtain updated pipeline data; and a data comparison unit for obtaining newly added pipeline data based on the original pipeline data and the updated pipeline data. This achieves automatic calibration and update management of pipeline data.

The invention discloses a track-type end plate dimension runout detection device, which relates to the technical field of end plate detection, and comprises a detection main frame, wherein a controller is installed inside the detection main frame, a detector is installed on the lower surface of the controller, a drive assembly is symmetrically installed inside the detection main frame, a side wall of the drive assembly is provided with an end face detection mechanism, an auxiliary self-test mechanism is provided inside the detection main frame, and a display main board is installed on the side wall at the end where the detection light and the auxiliary light are irradiated, thereby providing an intuitive reference system for detection, which can break the overlap state with the auxiliary light, and utilize this intuitive visual presentation of whether the light overlaps or not, to end face the detected flatness tolerance, so that it forms an obvious fluctuation track, and then the fluctuation difference can be intuitively detected by taking pictures, thereby greatly improving the intuitiveness of the detection, and there is no need to rely on complex algorithms to interpret a large amount of data in order to determine whether there is a dimensional abnormality like traditional laser scanning.

The invention discloses a rotating machinery fault diagnosis method, system, equipment and program. The method comprises the following steps: acquiring sampling data; the sampling data comprises a rotating speed pulse signal and a fault performance signal; re-sampling the sampling data into a rotating speed pulse signal and a fault expression signal which are arranged at equal angle intervals; performing rotating speed fitting on the pulse signals at equal angle intervals to obtain rotating speed signals; fault representation signals at equal angle intervals are selected as reference axis analysis data based on the rotating speed signals; performing interpolation on the reference axis analysis data to obtain non-reference axis analysis data based on the rotating speed signal and the rotating speed ratio of the reference axis to the non-reference axis; and performing synchronous channel analysis, mixed channel analysis and synchronous channel analysis of non-reference axis analysis data on the reference axis analysis data to obtain the position of a gear where a fault occurs. Through the processing scheme disclosed by the invention, the position of the gear with the fault can be accurately identified.

The invention belongs to the related technical field of laser welding, and discloses a database construction method and system for storing laser welding process parameters and fusion depth information. The method comprises the following steps that welding process parameters in laser welding are determined, and welding heat input is calculated; welding is conducted according to the welding parameters, a fusion depth curve of a weld joint is obtained, and the fusion depth mean value and the standard deviation are calculated through the fusion depth curve; and the welding parameters and the fusion depth mean values corresponding to the welding heat are stored, and laser welding is carried out for multiple times, so that a database in which the welding parameters and the welding heat correspond to the fusion depth mean values one to one is formed. The method and the device have the advantages that disordered inspection of process parameters and welding results is avoided, production efficiency is improved, and the method and the device are high in flexibility, applicable to various welding materials and various process conditions and the like.

The utility model discloses a refrigeration energy -conserving device, include: support frame body, including the upper layer frame and lower layer frame who sets up in order along the first direction, the upper layer frame with the lower layer frame all along second direction extension, the inside of lower layer frame is equipped with water tank. The inside of upper layer frame is equipped with condenser for cooling cooling liquid. Heat exchange device, including plate heat exchanger and drive assembly. The plate heat exchanger is located along the two sides of condenser in third direction, and the plate heat exchanger includes liquid channel and heat exchange channel, and the liquid channel is communicated with water tank pipeline setting, and the heat exchange channel is communicated with condenser pipeline setting. Drive assembly is located along one side of water tank in second direction for driving cooling liquid cooled through condenser and water in water tank flows through plate heat exchanger in proper order and carries out heat exchange to reduce the cooling demand of cooling liquid, and the energy consumption of refrigeration system is reduced.