35results about How to "Improve detection and maintenance efficiency" patented technology

The invention discloses an intelligent bridge detection system based on an unmanned aerial vehicle. The intelligent bridge detection system comprises an unmanned aerial vehicle body and a ground station control center, wherein the unmanned aerial vehicle body is provided with an image data acquisition apparatus, a flight control module, an automatic navigation module, an ultrasonic distance measurement module, a GPS module and a wireless transmission module, the ground station control center comprises a central control module, a route simulation processing module, a human-machine interaction module, an image analysis and processing module, a display module, a storage module and a wireless transmission module, the flight control module is respectively electrically connected with the image data acquisition apparatus, the automatic navigation module, the ultrasonic distance measurement module, the GPS module and the wireless transmission module, and the central control module is respectively electrically connected with the route simulation processing module, the human-machine interaction module, the image analysis and processing module, the display module, the storage module and the wireless transmission module. By adopting the intelligent bridge detection system, the detection precision is high, and the road traffic is not influenced.

The invention discloses a large-span railroad bridge inspection system and method based on the BIM technology. The system comprises a planning module and a visual BIM model disease library construction module which operate at a server side, and an information consulting module and a disease input module which operate at a client side. The plan making module is used for making a bridge inspection plan. The disease library construction module of the visual BIM model is used for realizing correlation between the lightweight BIM model and the disease library and constructing the disease library ofthe visual BIM model. The information consulting module is used for downloading the inspection plan and the large-span railroad bridge lightweight BIM model from the server to consult the inspectionplan and bridge attribute information. The disease input module is used for checking corresponding parts of the bridge according to the inspection plan, selecting members with diseases through a BIM model, selecting specific types and degradation levels of the diseases according to actual disease conditions, and finally realizing accurate positioning and unified and standardized description of thediseases.

The invention discloses a detection platform for maintenance of internal space of a shield tunneling machine and relates to the technical field of maintenance of shield tunneling machines. The detection platform comprises a foundation bed, a work bench is fixedly connected to the upper surface of the foundation bed, a power mechanism is mounted inside the work bench, a lifting mechanism and a regulating mechanism are also mounted in the work bench, and two moving mechanisms in symmetry are fixedly connected to the bottom surface of the foundation bed. According to the detection platform, a second forward-reverse motor rotates to drive a rotation shaft to rotate, the rotation shaft meshes with a fifth gear, and then, a crawler drives a positioning block to achieve left and right regulation;thus, the detection platform has the advantages of high convenience in regulation and improving detection and maintenance efficiency of working staff; besides, two symmetrical connecting plates are fixedly connected to the bottom surface of the foundation bed, fixing plates, pins and rollers are arranged coordinately, and the rollers are pushed to rotate, so that the work bench is movable, and the advantage of high convenience in changing maintenance position is achieved.

The invention provides a CVT verification method based on rolling time window-FCM clustering, equipment and a medium. The CVT verification method comprises the following steps: S1, acquiring secondary side measurement data of a normally operating CVT and a to-be-verified CVT; s2, analyzing and processing the obtained voltage data through an FCM clustering algorithm, and calculating the clustering center distance of each rolling time window; s3, calculating an average value of clustering center distances of all windows of the normally operating CVT; s4, obtaining a standard ratio through calculation according to the clustering center distance and the average value; and S5, comparing the obtained standard ratio with a set standard ratio threshold value, and outputting an error verification result of the to-be-verified CVT. According to the method, the rolling time window-FCM clustering joint algorithm is utilized, and under the condition of uninterruptible power supply, the error range grade of the CVT is identified by performing clustering analysis on the secondary side metering data of the CVT, the position of a sensor needing power failure inspection is locked, and the workload of power failure detection is reduced.

The invention provides a feed water detection device in transformer oil. The feed water detection device comprises a plurality of probes, a power supply and an alarm device, wherein the plurality of probes are respectively arranged on the bottom of a transformer oil tank and the bottom of a contamination discharging port of an oil storage cabinet, each probe comprises a negative contact and a positive contact. Two ends of the power supply are respectively and electrically connected with the negative contact and the positive contact. The alarm device is serially connected into a loop consisting of the probes and the power supply. Since water is excellent in conductivity, and the speed of water settling to the bottom of the transformer oil tank or the contaminant discharging port of the oil storage cabinet is far higher than the speed of oil dissolved into the water, the feed water detection device has the advantages of high detection speed and high detection precision.

The invention discloses western digital 3.5-inch hard disk fault detection equipment and a fault detection method thereof. A horizontal pushing entering type hard disk mounting bracket is adopted, so that the automatic connection of a COM port of a western digital hard disk is realized; only the western digital hard disk needs to be put into a horizontal pushing guide groove from a hard disk inlet and is pushed to the bottom of the hard disk mounting bracket, the connection of the COM port of the western digital hard disk and a COM connection port on a wiring panel can be automatically realized, and wiring does not need to be carried out by manpower; a TTL main chip is connected with the COM port of the western digital hard disk by the COM connection port, so that the possibility of conditions of wrong wiring and bad contact is reduced; a user can more conveniently operate and the wiring efficiency is greatly improved; the information of the hard disk can be rapidly and effectively obtained by the detection method based on the fault detection equipment, so that the fault problem of the western digital hard disk is further detected and the deep maintenance is further convenient to carry out; the detection accuracy is high and the detection and maintenance efficiency is improved.

The invention discloses a detecting method of a portable online detector for a flight simulator cabin. The portable online detector comprises a portable computer and an online detecting program, wherein the portable computer is connected with an Ethernet network switch through the Ethernet. During detection, the portable computer is brought into the flight simulator cabin, and the cabin controls the computer to be connected with the Ethernet network switch through the Ethernet; the online detector is provided with a graphic interface consistent with cabin equipment, and therefore maintenance is facilitated; interface difference is isolated through an interface navigation configuration file, and an online detecting interface can be quickly established through a new simulator; cabin equipment difference is isolated through configuration files such as analog input, switching input, analog output and switching output; data interchange format difference of the computer controlled by the cabin is isolated through an adaptive dynamic link library. By means of the separation of universality and difference, the online detecting program is universal, and then transplantation to an online detector of new flight simulator cabin equipment can be achieved quickly.

The invention relates to the technical field of big data management servers, in particular to a big data management server for colleges and universities which comprises a bottom plate and equipment, acavity is formed in the bottom plate, a cooling pipe network is fixedly connected to the upper side of the interior of the cavity, and a water pump is fixedly connected to the left end of the bottomplate. The output end of the water pump communicates with the water inlet end of the cooling pipe network through a connecting pipe, the input end of the water pump is connected with a water inlet pipe, the water outlet end of the cooling pipe network extends to the right side of the bottom plate, and through holes penetrating to the bottom end of the bottom plate are formed in the left side and the right side of the bottom end of the cavity. The cooling effect on the equipment is improved, the service life of the equipment is prolonged, an annular plate and a protection box can be buffered under the action of buffer springs, the external impact force is relieved. The protection box is prevented from being crashed, internal equipment is protected, normal work of the internal equipment is guaranteed, maintenance personnel can conveniently detect and maintain the equipment, and the detection and maintenance efficiency is improved.

The invention discloses a low-voltage power line fault detection positioning system and a fault detection method, and belongs to the technical field of power line fault detection, and the system comprises a control platform, a judgment module, a data receiving module, a display screen, a data analysis processing module, a path analysis module, a noise processing module, a positioning module and an information transmission module. The control platform is in communication connection with the judgment module, the judgment module is in communication connection with the data receiving module, the display screen and the data analysis and processing module are both in communication connection with the data receiving module, and the data analysis and processing module is in communication connection with the path analysis module; and according to the invention, the specific reason of the low-voltage power line fault can be effectively detected, the fault section of the fault low-voltage power line can be accurately positioned, replacement and maintenance by workers are facilitated, and the detection and maintenance efficiency is improved.

The invention discloses a Samsung 2.5-inch hard disk fault detection device and a Samsung 2.5-inch hard disk fault detection method. The automatic connection of a COM port of a Samsung hard disk is realized by adopting a plug-type hard disk installation support, the connection between the Samsung hard disk COM port and a COM connection port on a connection panel can be automatically realized only by placing the Samsung hard disk into a plug-type guide groove from a hard disk entry and pushing the Samsung hard disk to the bottom of the hard disk installation support, the manual connection is not needed, and a TTL main chip is connected to the COM port of the Samsung hard disk through the COM connection port, so that the probability of the fault connection and unfavorable contact can be reduced, convenience can be brought to users, and the connection efficiency can be greatly improved. By adopting the detection method based on the fault detection device, the information of the hard disk can be rapidly and efficiently acquired, and the fault problem of the Samsung hard disk can be detected, so that the subsequent further maintenance can be carried out, the detection accuracy is high, and the detection and maintenance efficiency can be improved.