36results about How to "Comprehensive monitoring information" patented technology

The invention relates to a real-time on-line monitoring apparatus of blade vibration of a flue gas turbine. The monitoring apparatus comprises blade tip timing sensors, an angle reference sensor, a rotating speed synchronization sensor, a preprocessing system, a data integrated processing card, and a computer. The blade tip timing sensors, the angle reference sensor, and the rotating speed synchronization sensor are connected with the preprocessing system that is connected with the data integrated processing card; and the data integrated processing card is connected with the computer. According to the invention, the sensors employ double-shielded capacitance impulsers; single-core double-shielded wires are utilized as transmission lines of output signals; and a driving cable technology is utilized to effectively reduce a random error introduced by an environmental interference; and a charge amplification circuit is used to extract a capacitance pulse signal, thereby eliminating the system error basically and improving the measurement accuracy of the system.

The present application discloses a network asset continuous security monitoring method, system, device and a storage medium; the method comprises the following steps: continuously monitoring a shadowasset in an exposed state of a target Internet platform, and carrying out automated comparison analysis on the currently monitored shadow asset and a historical shadow asset, so as to obtain a changing circumstance of the shadow asset; carrying out continuous monitoring on security threats which exist in the target Internet platform, and carrying out automatic comparison analysis on the currentlydetected security threats and historical security threats to obtain a security threat changing circumstance. The monitoring information obtained in this application is more comprehensive, and it canbe ensured that the acquired shadow assets and the security threats are the information which dynamically updates in real time, ensuring the timeliness of the information; moreover, it can also be determined that the changing circumstances of the shadow assets and the security threats through a manner of automatic comparison analysis, so that a user can timely acquire newly increased security risks.

The invention discloses a wearable device based electroencephalograph detection device which comprises an electroencephalograph acquirer, an integrated analog front end, a mixed signal microcontroller, a Bluetooth module, a display device, a power supply management module, a solar cell, an input device and an indicating lamp. The electroencephalograph acquirer comprises a single conductor electroencephalograph electrode and a reference electrode, wherein the single conductor electroencephalograph electrode is arranged on the inner side of a hat to be in contact with the forehead, the reference electrode is clamped at the position of the earlobe, and the electroencephalograph acquirer is connected with a wearable device through an audio interface connector. The electroencephalograph acquirer is connected with the integrated analog front end, the integrated analog front end is connected with the mixed signal microcontroller, and the Bluetooth module is connected with the mixed signal microcontroller and an external network. The power supply management module and the solar cell are connected and used for detecting power supply of relevant parts in the device. The wearable device based electroencephalograph detection device is small in size and very low in power consumption, can utilize solar energy to achieve charging and facilitates anytime anywhere electroencephalograph monitoring of a brain cognition function, neural and mental diseases, sleeping and fatigue states and other occasions.

The invention provides a flexible intelligent inclination measuring rope. The flexible intelligent inclination measuring rope comprises a flexible protection pipe, a transmission cable, a plurality of inclination modules, a data collector and a data processing and application service system. The data collector is arranged at the top part of the inclination measuring rope. The plurality of inclination measuring modules are arranged on the inner wall of the flexible protection pipe in sections and are capable of measuring changes of included angles of the locations. The inclination measuring module is an inclination measuring member with an electronic compass or without the electronic compass. The plurality of inclination measuring modules are mutually connected through the transmission cable in a bus mode and are connected with the data collector. The data collector is capable of uploading monitored information to the data processing and application service system for storage and management. When a monitored value exceeds an engineering early-warning value, the data processing and application service system issues an early-warning signal. By adopting the flexible intelligent inclination measuring rope, real-time monitoring over horizontal displacement of an underground assigned depth range is realized, the monitored information is processed in real time, and the early-warning signal is sent out when the monitored value exceeds the engineering early-warning value.

The invention discloses a calibration method of a pump station information intelligent monitoring terminal based on multi-parameter detection. The method comprises the following steps that pump station unit status is detected to determine that a pump station unit is in a stopped state; the pump station information intelligent monitoring terminal is started and initialization is completed; information configuration is conducted; zero-crossing detection is conducted; the pump station unit is electrified, after it is determined that the pump station unit is in a full load state, power, water extraction water level difference and flow detection data of multiple detection poinTS are acquired by the pump station information intelligent monitoring terminal at time intervals, a rated flow parameter calibration algorithm is operated, and calibration parameters are extracted; power of the pump station unit is shut down, the pump station unit is in the stopped state, and zero-drift detection is conducted; storage, uploading and integrity check are conducted on the configuration information and the determined calibration parameters. According to the method, comprehensive and effective real-time dynamic monitoring is achieved, reasonable calibration parameters are extracted, accuracy of the measuring process can be ensured, the calculation is high-efficient, the accuracy is reliable, and monitoring of pump station information is helped to be more accurate.

Belonging to the technical field of environmental pollution detection, the invention relates to a contaminated site sampling device and a seepage pollution detection system. The sampling device comprises: a sampling body, a liquid collection tank, a vacuum pumping component, a pressurization component and a sampling bottle. The sampling body is a porous ceramic structure, and the liquid collection tank is an internally enclosed cavity structure, is arranged above the sampling body and is communicated with the sampling body through an infusion tube. The vacuum pumping component is communicated with the liquid collection tank through a pipeline. The pressurization component is communicated with the liquid collection tank through a pipeline. The sampling bottle is communicated with the liquid collection tank through a sampling tube. The detection system comprises a plurality of sampling devices. The sampling bodies and liquid collection tanks in the plurality of sampling devices are fixed at a plurality of sampling points set at the contaminated site, and the plurality of sampling points are located at different depths. The contaminated site sampling device and the seepage pollution detection system provided by the invention can perform long-term continuous sampling and monitoring on contaminated soil, and have the advantages of comprehensive monitoring information, convenient installation and sampling, real-time and efficient monitoring, and accurate seepage detection position.

The invention discloses a complex dynamic compactor operation parameter collecting system and a working method thereof. The working method comprises the steps that the input end of a trigger is connected with a hammer hook; the output end of the trigger is connected with a GPS position information collecting module and a dynamic compactor operation parameter collecting module; the output end of the GPS position information collecting module and the output end of the dynamic compactor operation parameter collecting module are connected with a controller; the controller is further connected with a displayer, a memorizer and a timer; the timer begins timing automatically when the system is started; the trigger is started at the moment when the hammer hook is opened and closed, and shut down immediately after being started; and the GPS position information collecting module and the dynamic compactor operation parameter collecting module are triggered to work only at the moment when the trigger is started. The complex dynamic compactor operation parameter collecting system and the working method thereof have the beneficial effects that all or any one of a dynamic compaction construction quality parameter, a position parameter, a time parameter and other parameters can be automatically collected, and the dynamic compaction quality parameters are automatically collected and recorded.

The invention discloses a data collection method of a wireless sensor network based on a mobile sink. The data collection method of the wireless sensor network based on the mobile sink comprises the steps of firstly selecting retaining points based on prospective earnings and calculating the shortest path which starts from an initial position and passes through all the retaining points by utilizing a simulated annealing algorithm so as to guarantee to return to the initial position within a required time delay range; and then moving the mobile sink at a uniform speed and visiting each retaining point along the shortest path sequentially to collect sensing data of sensor nodes near the retaining points. The data collection method of the wireless sensor network based on the mobile sink can guarantee network time delay, can reduce energy consumption resulted from data forwarding between network nodes and can maximize the data collection amount of the mobile sink.

The invention discloses a pressure on-line monitoring system for a 750kV high-voltage insulating sleeve. The pressure on-line monitoring system comprises an oil drain hole which is formed in the bottom side face of the high-voltage insulating sleeve and communicated with the inside of the high-voltage insulating sleeve, a tee joint is mounted at the oil drain hole, one inlet of the tee joint is connected with the oil drain hole, a pressure transmitter and a down leading sampling pipe are mounted at two outlets of the tee joint, the down leading sampling pipe extends downwards, a sampling valveis mounted at the tail end of the down leading sampling pipe, a switching valve for switching the inlet and the two outlets to be connected is mounted at the tee joint, signals of the pressure transmitter are in communication with a local collector through a communication module, the local collector is in communication with a background computer through a communication device and comprises a controller, a display, an alarm and a wireless communication module, the wireless communication module is in communication with the background computer, and the controller is connected with the display, the alarm and the wireless communication module.

The invention relates to a wifi6-based camera control method and device and a storage medium, and the method comprises the steps: analyzing the content in a picture according to a current video picture and a historical picture shot by a camera, and controlling a power switching circuit to be switched from a commercial power supply to a battery power supply when a condition is judged to be satisfied according to the picture; and controlling the camera to start a recording function.

The invention relates to a tailing pond spillway well monitoring method based on multi-sensor fusion. The method comprises the following steps of firstly, monitoring a tailing pond spillway well through a plurality of monitoring devices, transmitting monitored data to a computer in real time, carrying out fusion calculation on all the monitored data by the computer, specifically, setting different weight values for all detection indexes, performing weighted calculation on the states of all the monitoring indexes according to different weight values, and obtaining a final safety coefficient of a safe operation state of the spillway well; and finally, dividing the obtained final safety coefficient into a low risk, a medium risk and a high risk according to different intervals and the operation state, and making different early warning prompts and processing according to different levels of conditions. The monitoring method is optimized, fusion analysis is carried out on data transmitted by multiple sensors, and early warning is carried out according to the obtained parameters for evaluating the operation state of the spillway well, so that a more comprehensive and accurate result is obtained under various conditions in monitoring of the spillway well, and safe operation of a tailing pond is ensured.

The invention discloses a linkage method and device of radar and camera equipment and a storage medium. The method comprises the following steps: acquiring first radar data obtained by acquiring a first area by a first laser radar; under the condition that the target object is detected according to the first radar data, sending a first control instruction to a video acquisition device, wherein the video acquisition device adopts a double-holder design and comprises a camera used for monitoring panorama and a camera used for detail monitoring; enabling the video acquisition device to shoot the first area and the target object according to the control instruction, so the purposes of effectively complementing the first laser radar and the video acquisition device; carrying out data processing to carry out linkage control on the video acquisition device, thereby solving the problems of front and back target tracking and marking of the laser radar and the video acquisition device, achieving the purpose of enriching monitoring information, and solving the technical problem that the monitoring information of the target object is single in the prior art.

The invention discloses an unattended intelligent parking charging system. The invention belongs to the field of intelligent parking charging systems. The system comprises a cloud system, a display module, a vehicle information management system, a display module, an in-out mechanism, a parking space warning mechanism and client mobile equipment. The client mobile equipment is in signal connectionwith the cloud system. The cloud system comprises a cloud control center and a cloud database. The terminal system, the display module, the vehicle information management system, the display module and the client mobile equipment cooperate with each other, the implementation of unmanned charging is achieved, entrance and exit vehicle congestion cannot be caused, a monitoring terminal in the display module transmits a monitoring video to the vehicle information management system; finally, the monitoring video is stored in the cloud database, when some users forget the parking positions of thevehicles or need to check a monitor, the users can open the client mobile equipment to input required requirements, the monitoring video or the positions of the vehicles can be displayed on the clientmobile equipment, and certain convenience is brought to the users.

The invention provides an enterprise dynamic monitoring method and device, and the method comprises the steps: obtaining enterprise operation data, and determining an enterprise change type corresponding to the enterprise operation data according to the type of the enterprise operation data; according to an enterprise change type corresponding to the enterprise operation data and preset historical data, judging whether the enterprise operation data is valid, and if the enterprise operation data is valid, recording the enterprise operation data as a change event; and judging whether the change event is a risk event, if so, grading the risk event according to a preset risk grade classification condition, and pushing the grade of the risk event and the risk event to a target user. According to the method, the problems of incomplete information query and low efficiency due to manual query of related information of the target enterprise in the prior art can be solved.

The invention relates to a formaldehyde monitoring system and method, and belongs to the technical field of Internet of Things. The system comprises a formaldehyde monitor, a cloud remote server and intelligent terminal equipment, the formaldehyde monitor is connected with the cloud through a network and is used for transmitting acquired formaldehyde data to the cloud server through the network; and the cloud server is connected with the intelligent terminal equipment through a network, and is used for storing and analyzing the received data transmitted by the formaldehyde monitor and then transmitting the data to the intelligent terminal equipment for display. After the data is stored and analyzed through the cloud server, the data is displayed by the intelligent terminal equipment, so that the cost is further reduced, and the function of the system is enhanced. The invention further provides a formaldehyde monitoring method, the network and Internet of Things technologies can be fully utilized, data are displayed through the intelligent terminal device, the cost can be further reduced, and meanwhile richer monitoring information can be provided.

The invention discloses a flexible protective net foreign matter intrusion monitoring device based on an optical fiber grating sensor. The device comprises a flexible protective net, the optical fibergrating combined sensor for simultaneous measurement of deformation and vibration, and a plurality of fixing ribbons, wherein the optical fiber grating combined sensor for simultaneous measurement ofdeformation and vibration is fixed on a protective net cable through the ribbons; the optical fiber grating combined sensor adopts a cylindrical structure; a first optical fiber grating is fixedly adhered to the inner wall of the left side of the sensor and used for measuring impact bending deformation; and a second optical fiber grating with a suspended mass block is arranged on the inner wall of the right side of the sensor and used for measuring impact vibration. The optical fiber gratings in the device are firm and reliable to seal and easy and convenient to install; and the deformation and the vibration when the protective net is impacted are monitored at the same time, so that the accuracy is higher and monitoring information is more comprehensive.