103results about How to "Discover hidden dangers in time" patented technology

The invention provides an online monitoring system for the corrosion state of oil and gas pipelines and a method thereof, which can monitor sensitive corrosion points, such as an elbow, liquid accumulating parts at upper and lower slopes, and the like and insensitive corrosion points and realize the remote transmission of corrosion monitoring data in a wired or wireless manner, treat the data at a monitoring center, establish the corrosion state parameter of each point of the oil and gas pipelines via a modern digital signal treating method, judge whether the corrosion state is normal or not,and carry out the corresponding treatment and the control of the pipelines to timely monitor the corrosion state of the oil and gas pipelines so as to timely discover hidden troubles and prevent safety accidents. A three-dimensional corrosion state graph of the pipeline can be visually displayed at the monitoring center so that abnormal corrosion parts can be found out. The scheme of the system has the advantages of low cost and high benefit, and the key is that the system can realize real-time monitoring based on the prior art; and more important, the system can be applied to monitoring the corrosion state of newly-built long oil and gas pipelines such as pipelines for transporting the natural gas from the West to the East so that the system has a very wide market prospect. The oil and gas pipelines can be laid on the ground or buried under the ground.

The invention discloses a BIM-based digital twin smart machine room management method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining the operation data of a to-be-monitored object in real time, storing the operation data in an operation and maintenance database, and updating an integrated BIM model of a to-be-monitored scene; judging whether theto-be-monitored object is in a fault state or not according to the operation data: if the to-be-monitored object is in the fault state, displaying an alarm identifier for the to-be-monitored object inthe fault state on the integrated BIM model, and taking the to-be-monitored object corresponding to the alarm identifier as a to-be-processed object; displaying the alarm information corresponding tothe to-be-processed object, performing fault diagnosis on the to-be-processed object, generating a maintenance work order, and obtaining a fault diagnosis result and the maintenance work order; according to the fault diagnosis result, recommending a fault solution corresponding to the to-be-processed object by utilizing a preset neural network model. According to the invention, a user can maintain the data center efficiently, and the fault processing efficiency is improved.

The invention discloses a vehicle-mounted end of a comprehensive vehicle fault detection system. The vehicle-mounted end communicates with cloud equipment through a network, wherein the vehicle-mounted end comprises a monitoring module, a memory and a log recording module, wherein the monitoring module monitors a monitoring point and acquires state information in real time; and the log recording module records the state information in the memory of the vehicle-mounted end in a preset log format. The invention further discloses a data processing method based on the vehicle-mounted end. The vehicle-mounted end of the comprehensive vehicle fault detection system and the data processing method of the vehicle-mounted end disclosed by the invention can effectively find out various problems of a vehicle in time, and also can summarize and comprehensively analyze the various problems of the vehicle.

The invention relates to the field of bridge engineering detection, specifically to a bridge damage diagnosis method based on an axle coupling system. The bridge damage diagnosis method includes the following specific steps: a. two detection vehicles depart from different positions of a bridge towards a 1# abutment direction to pass the bridge, and a signal acquisition subsystem synchronously acquires vertical acceleration response in the process of trolleys passing the bridge each time; b. the two detection vehicles depart from different positions of the bridge towards a 0# abutment direction to pass the bridge, and the signal acquisition subsystem synchronous acquires vertical acceleration response in the process of the trolleys passing the bridge each time; and c. using the vertical acceleration response of the trolleys measured in Step a and Step b to perform secondary integration processing on time t separately, thereby obtaining approximate vertical displacement response of the corresponding trolleys. Through the bridge damage diagnosis method based on the axle coupling system, detection signals can be obtained on the bridge to be detected through the detection vehicles, damage information of the bridge can be obtained through corresponding processing conversion according to the detection signals, the approximate position of bridge damage does not need to be known in advance, the operation is simple and easy, and the efficiency is high.

The invention discloses an optical cable monitoring apparatus, belonging to professional field of telecommunication network maintenance. The apparatus comprises an OTDR meter, an optical cable monitoring centre server, a large distributed database, a system client end. The OTDR meter is arranged in the centre equipment room of prefectures via connection of the DCN network; optical channel selecting switching is arranged in the meter to respectively monitor optical fibers with different directions; the optical cable monitoring centre server, system client end use working ways of C/S or B/S; the system client end of the prefectures logins the optical cable monitoring centre server of provincial company via the permission; the optical cable monitoring centre server controls the OTDR meters to process test; the test data are uploaded to the optical cable monitoring centre server to process automated analysis and comparison via the DCN network, automatically generating warming and forming sorts of maintenance statements. This invention effectively enhances the optical cable maintenance efficiency and timely finds hidden troubles in the optical cable, in addition the construction cost is low and the position-setting is simple and convenient and easy for maintaining.

The invention relates to a method for simultaneously determining various metal elements in transformer oil. An analyzing sample of the transformer oil of the invention is weighed quantificationally after a collected oil sample is heated and stirred uniformly; an infrared heating method is adopted for carrying out vaporizing and carbonizing at constant temperature on the analyzing sample of the quantificational transformer oil, a box type high temperature furnace is adopted for carrying out high temperature cineration on the carbonized sample, acid liquid is adopted for carrying out dissolving on the incinerated sample under the lower temperature heating condition, a soluzione leggermente acida is adopted for carrying out diluting and volume fixing on the dissolved sample to be prepared into analyzing liquid. The analyzing liquid accurately determines the content of various metal elements by using a complete spectrum direct reading plasma emission spectrum apparatus. The method of the invention can determine a plurality of elements and has high accuracy, can determine oil mediums with different varieties and content ranges, being capable of accurately showing the change current of the metals in the oil mediums and being convenient for accurately analyzing and finding out hidden troubles in time.

The invention discloses a system and a method for monitoring an optical cable of a backbone network. The system comprises a light source, an optical pulse forming unit, a photoelectric detection unit, a data processing unit, an early warning unit and a display unit; the optical pulse forming unit is used for generating local oscillation light and pulsed light according to the light emitted by the light source, the pulsed light is transmitted to a measured sensing optical cable, and backward Rayleigh scattering light generated by the pulsed light in a propagation process is sent to the photoelectric detection unit together with the local oscillation light; the photoelectric detection unit is used for carrying out coherent detection on the backward Rayleigh scattering light and the local oscillation light; the data processing unit is used for carrying out data processing on the signal output by the photoelectric detection unit and outputting a monitoring result; the early warning unit is used for carrying out fault early warning according to the monitoring result; and the display unit is used for displaying a map and locating the fault position according to the map and the monitoring result, and the map comprises a backbone network circuit and an optical cable. The system and the method disclosed by the invention are used for actively monitoring the performance of the optical cable in real time, finding faults or hidden trouble in time and carrying out fault locating and fault early warning.

The invention provides a detection diagnosis method of a vehicle health state and especially relates to a vehicle owner vehicle self-check method based on an intelligent mobile phone platform. The method comprises a Wechat public account end, an APP client, a web client, a cloud server, a general test method, a special-purpose test method, test examination items, a detection report and detection result analysis. A vehicle owner, through following a Wechat public account or downloading the APP client or the web client, accesses the cloud server, performs login and carries out comprehensive detection on an automobile according to the test methods and the detection items provided by detection program design so as to grasp vehicle health conditions at any time, detection results are merged to form the detection report, the detection report is stored in the cloud server, the cloud server, according to detection results obtained by comparing and analyzing the detection items, gives maintenance and repair advice, and at the same time, the car owner can also share the detection report with a maintenance technician and the circle of friends to obtain maintenance and repair advice so as to grasp the opportunity of maintenance and repair.

The invention discloses a monitoring system of a mobile energy storage power station. The monitoring system is characterized in that an SCADA system of a process monitoring and optimizing layer is respectively connected with a BMS monitoring system and a PCS monitoring system of a on-site control layer, and the BMS monitoring system and the PCS monitoring system are monitored and controlled through the SCADA system; the BMS monitoring system monitors running conditions of a battery set, and the PCS monitoring system monitors running conditions of a PCS set, so that the monitoring system of the whole mobile energy storage power station is formed. By the adoption of the structure, the monitoring system has the advantages that the working state of the mobile energy storage power station is monitored so that safe running of the mobile energy storage power station can be guaranteed; the mobile energy storage power station is monitored in a fall-range mode; real-time performance is high, and equipment hidden danger can be timely found.

The invention discloses a knocking scan type bridge damage detecting and positioning system which comprises a traveling car, a knocking subsystem, a signal acquisition subsystem, a signal processing device and a positioning device. The traveling car can move on a to-be-detected bridge; the knocking subsystem is arranged on the traveling car, and is used for applying a knocking load to the to-be-detected bridge; the signal acquisition subsystem is arranged on the traveling car and is used for collecting a response signal transferred from the to-be-detected bridge to the traveling car; the signal processing devise is connected with the signal acquisition subsystem, and is used for receiving and processing the signal collected by the signal acquisition subsystem, and outputting the bridge damage information processed result; the positioning device can move together with the traveling car and is used for real-time detecting and recording the position information of the traveling car. The knocking scan type bridge damage detecting and positioning system provided by the invention can detect bridge damage information in a simple, convenient, efficient and high-accuracy manner, and can locate damage positions of a bridge.

The invention discloses a full-view imaging device for an electric rail traffic contact system mast, which is mainly composed of a vehicle roof device and a vehicle internal device, wherein the vehicle roof device comprises a roof device controller, a camera light source unit and a camera unit; the roof device controller is respectively connected with two groups of camera light source units and two groups of camera units and controls the units for fully collecting the contact system image from the front and reverse two side surfaces; the vehicle internal device comprises a control signal interface, a camera signal interface and two industrial personal computers; the control signal interface is connected with the roof device controller; the camera signal interface is connected with the camera unit and transmits the data shot by the camera to the industrial personal computer. The device fully collects the contact system images from the front and reverse two side surfaces by mounting two groups of cameras with high definition on the roof, and the device can browse the local image with high definition only through overall camera image navigation, reinforces the detecting and monitoring works to the contact system, and has adequate complementary action to the existing method for detecting the contact system.

The invention provides a cable middle connector partial discharge signal detection system. The cable middle connector partial discharge signal detection system comprises an excitation light source, anoptical fiber with a fluorescence optical fiber sensor, an optical fiber wiring box and a fluorescence spectrometer, wherein the optical fiber with the fluorescence optical fiber sensor penetrates into a power cable connected by a middle connector and extends along the length direction of the power cable; the fluorescence optical fiber sensor located at the middle part is clung to the middle connector; two ends of the fluorescence optical fiber sensor are connected with the excitation light source and an input end of the optical fiber wiring box; an output end of the optical fiber wiring boxis connected with the fluorescence spectrometer; a sensing element of the fluorescence optical fiber sensor is made of a fluorescence material; a spectrum range of the sensing element is matched witha spectrum range generated by middle connector partial discharge. The cable middle connector partial discharge signal detection system is not interfered by electricity and has the advantages of stronganti-interference capability and the like; hidden dangers caused by insulation of the power cable middle connector are rapidly and accurately detected, so that coping measurements can be implementedin time, and economic loss caused by power failure and the like is reduced.

The invention discloses a fire-fighting water monitoring system and method. The system comprises a monitoring system, an identification system and an alarm system, wherein the monitoring system comprises a water tank water level monitoring system, a fire-fighting water pipe water pressure monitoring system and a fire-fighting water pipe flow monitoring system. The method comprises the steps that awater level sensor collects liquid level information in a fire-fighting water tank and a fire-fighting water pool installed at the top of a building, a water pressure sensor collects water pressure information of the end of a fire hydrant located between floors, a flow sensor collects water flow information of the water inlet end of a building fire-fighting water pipe, and the information is transmitted to a data recording module. By means of the implementation of the fire-fighting water monitoring system and method, the community fire-fighting water pipe can be incorporated into the fire-fighting monitoring system, so that the specific situation of fire-fighting water in a community can be mastered, when abnormal phenomena such as water shortage, no water, under-pressure water pressure,leakage and fluctuation of water flow occur to the fire-fighting water, the abnormal phenomena can be found in time, potential safety hazard of the fire-fighting water is completely eradicated, and the safety of the fire-fighting water is ensured.

The invention provides a multifunctional joint junction box for electric energy metering. The multifunctional joint junction box comprises a cover, a base, a base cover and a plug-in tooling, whereinthe base is provided with a current connection terminal and a voltage connection terminal; the current connection terminal is provided with a pressing type detection switch and a plug-in type meter change switch; the current connection terminal is also provided with current connection contacts for connection with a field calibrator; the voltage connection terminal is provided with a pressing typevoltage switch; and the voltage connection terminal is also provided with voltage connection contacts for connection with the field calibrator. The field calibrator can be seamlessly connected into atest circuit by setting the pressing type detection switch, the pressing type voltage switch and a pin-type meter-change switch, and fixing the detection switch, the voltage switch and the meter-change switch to the connection terminal on the base, that is, to a copper bar on the base, wherein the detection switch and the voltage switch can switch the current and voltage circuits during meter checking; the meter-change switch is used to replace the electric energy meter and perform short-circuit operation on an electric circuit.

The invention discloses a production personnel real-time positioning system, which comprises M groups of positioning equipment, N UWB base stations and a monitoring server, wherein M and N are positive integers; wherein each group of positioning equipment is correspondingly worn by one production person and comprises a UWB positioning terminal and a GPS receiving terminal, the UWB positioning terminal is used for sending out a UWB pulse signal, and the GPS receiving terminal is used for receiving a GPS positioning signal and generating first position information according to the GPS positioning signal; each UWB base station is arranged in an indoor production region and is used for receiving the UWB pulse signal and generating second position information according to the UWB pulse signal;and the monitoring server is used for receiving the first position information and the second position information, and determining a real-time position of the production personnel according to the first position information and the second position information. According to the production personnel real-time positioning system provided by the invention, through combination of a UWB technology anda GPS technology, indoor and outdoor production personnel positioning full coverage is realized.

The invention discloses an early-warning board for real-time monitoring of great hazard alarm information of dangerous chemicals. The early-warning board comprises a base board, an early-warning boardbody, a cover, a driving motor, an impeller, a spacing spring, an L-shaped board, a spacing rod, a connecting board, a threaded rod, a handle, a transverse board and a snapping rod. The early-warningboard body is fixed to top of the base board. Insertion slots are arranged at four corners of top of the base board. The cover is arranged above the early-warning board body. Four corners of bottom of the cover are provided with inserting blocks which are fixed. One side wall of the inserting block is provided with a spacing trough. The inserting blocks are arranged in the corresponding insertionslots. The inner wall of the top of the cover is provided with driving motors which are symmetrically fixed. The output shaft of the driving motor is provided with an impeller which is fixed. According to the early-warning board, through arranging the driving motors and the impellers, a relatively high heat radiating effect can be performed. Furthermore through arranging the structures such as the spacing rod, the spacing spring, a pull rod and the threaded rod, convenient detachment of the cover can be realized, thereby facilitating maintenance of the early-warning board body by the people.

The invention discloses a photovoltaic power station big data modular processing system, and relates to the technical field of photovoltaic power generation. The photovoltaic power station big data modular processing system comprises a photovoltaic power generation subsystem, an environmental monitor, a data acquisition terminal and an operation and maintenance platform. The data acquisition terminal is connected with a photovoltaic power generation unit, a bus box, an inverter, a transformer, a booster station and the environmental monitor. The operation and maintenance platform comprises an acquisition authentication server, a decompression and decryption module, a big data analysis platform, a historical data storage server, a defective unit server and an internet publishing server. All the data of the photovoltaic power station are integrated to perform big data integration analysis and monitor all the equipment of the photovoltaic power station online in real time and quickly generate solutions and notify the corresponding maintenance personnel in case of failure so as to achieve fine management and high-efficiency operation and maintenance of the power station, timely discover hidden dangers, deal with them in advance and improve power generation.