37results about How to "Realize multi-point monitoring" patented technology

The invention provides a real-time automatic monitoring method and a real-time automatic monitoring system for underground light non-aqueous phase liquid pollutant dispersion. The method comprises the following steps: taking a monitoring point location; obtaining a resistance variation range E after characteristic LNAPLs pollutant and characteristic LNAPLs pollution is caused at the monitoring point location; determining the length of a resistance probe; determining a distance between electrode rings; hanging one set of resistance monitoring device in a monitoring well according to an underground water flow direction; respectively injecting at least one set of resistance monitoring device at monitoring point locations upstream and downstream underground water; setting collecting parameters; transmitting monitoring data in real time; and automatically alarming when the resistance reaches the lower limit of the E. The real-time automatic monitoring method provided by the invention has the advantages of simple operation, accurate measurement and reliable operation; data can be monitored in real time and wirelessly transmitted; the diffusion process of the LNAPLs after leaking can be dynamically monitored in real time; the redistribution process of the LNAPLs can be also monitored during extracting rainfall or underground water; and the real-time automatic monitoring method provided by the invention can be widely applied to dynamic monitoring of underground pollution after the LNAPLs is leaked in large-scale petrochemical enterprises, gas stations and so on.

The invention provides a full road condition ponding water level monitoring alarm and drainage device and belongs to the field of ponding monitoring alarm and drainage devices for traffics. The device is characterized by comprising a road ponding monitoring device, an overpass tunnel ponding monitoring device, a water level monitoring display device, a water level monitoring alarm device and an automatic drainage device. The road ponding monitoring device and the overpass tunnel ponding monitoring device are connected with the water level monitoring display device. The device can monitor the ponding water level of various road conditions in real time, and transmit data to a monitoring center in real time, and the data can also be directly displayed to serve as action reference for municipal administration and passers-by. In addition, the device can drain water intelligently and actively according to the monitored water level data, and urban water logging is avoided.

The invention discloses a farmland or sloping field runoff water flow monitoring device which comprises a runoff water collector for collecting farmland or sloping field runoff water, a siphon used for siphoning the runoff water from a siphon water inlet valve to a siphon generator through a siphon water outlet valve, a siphon water inlet valve for controlling flow direction of the runoff water in the runoff water collector under the control of a water inlet valve floater, a water inlet valve floater arranged below the siphon water inlet valve, a connecting rod connecting the siphon water inlet valve with the water inlet valve floater, a siphon exhaust valve being used for injecting water in the siphon and exhausting air in the siphon and being closed when the siphon is filled with water, a siphon water outlet valve used for guiding the water in the siphon to the siphon generator, a pressure sensor used for sensing a liquid level pressure parameter in the runoff water collector and storing the liquid level pressure parameter, and the siphon generator being provided with an overflow hole and having a liquid level height of less than that in the runoff water collector. By applying the invention, runoff monitoring instantaneity and runoff measurement precision can be improved.

The invention provides an online grain moisture content detection system and method based on temperature and humidity inversion. The system comprises a core micro-controller and temperature and humidity detection units, wherein the temperature and humidity detection units comprise temperature detection units and humidity detection units; the core micro-controller comprises a temperature and humidity data acquisition and processing unit, a timer unit, a grain balance moisture content calculation unit, a historical temperature and humidity data and historical grain balance moisture content data storage unit, a grain moisture content compensation calculation unit, a historical grain moisture content data storage unit and an upper computer communication interface unit. The system can be automatically timed to detect the grain moisture content in each position in a grain mass without manual sampling detection, is high in accuracy, can be used for simultaneously detecting a plurality of sites, and fills up the current blank of online intelligent grain moisture detection in China.

The invention discloses an outdoor advertising safety detection method based on ZigBee and an MEMS (micro-electromechanical system) sensor. The method is mainly used for judging the safety state of the current outdoor advertising with a node attitude inclination contrastive analysis method and producing early warning for hazardous conditions. A system can be mainly divided into a sensor acquisition subsystem, a wireless sensor network system and a terminal monitoring platform. In order to improve monitoring range and measuring precision of the system and reduce power consumption and cost of the system network, a ZigBee wireless network is adopted to build a network platform, and a six-axis sensor data fusion algorithm technology is combined, so that multi-point monitoring and high-precision measurement of outdoor advertising equipment are realized; the terminal monitoring platform utilizes an ARM processor as an intelligent control core, application programs operate on a Linux operating system, data can be processed and analyzed with high efficiency in a multi-thread mode, and early warning information can be sent out and transmitted to a remote server with a GPRS (general packet radio service) technology.

The invention relates to an SF6 gas concentration monitoring system and an SF6 gas concentration monitoring method. The system comprises multiple data transmitters which are arranged at multiple monitored positions in a switch room of an intelligent substation and used for measuring the SF6 concentration and O2 concentration at each monitored position and the temperature and humidity inside the switch room of the intelligent substation, an alarm transmitter which is used for receiving an alarm command of a master control module, driving alarm equipment to raise the alarm and driving a ventilation device to ventilate the switch room of the intelligent substation, a display module which is used for providing an interactive interface capable of setting the system parameters, displaying the SF6 concentration and O2 concentration at each monitored position and the temperature and humidity inside the switch room of the intelligent substation and displaying the historical curve of SF6 concentration, and the master control module which is used for processing the SF6 concentration and O2 concentration at each monitored position and the temperature and humidity inside the switch room of the intelligent substation uploaded by the multiple transmitters and sending an alarm command.

The invention discloses a retaining wall real-time bearing capacity limit monitoring method. The retaining wall real-time bearing capacity limit monitoring method comprises the steps that (1), the site environment, the topography and landforms, the site structure and historical conditions are detected and investigated; (2), a monitoring scheme comprising the mechanical performance index, the monitoring point number, the arranging position and the frequency is determined according to a detection result; (3), a monitoring mathematical model is established; (4), sensors are arranged at the monitoring points, and monitored data are collected and uploaded to a cloud server; (5), the cloud server receives and stores the monitored data and analyzes the monitored data in real time by combining themonitoring mathematical model, and a real-time safety coefficient FOSins and a risk index Ri are obtained; and (6), different grades of early warning signals are sent to a monitoring terminal according to the magnitude of the risk index Ri value. The invention further discloses a retaining wall real-time bearing capacity limit monitoring system. According to the retaining wall real-time bearing capacity limit monitoring method, the site material characteristics and the actual force stability performance are taken into account, real-time safety level assessment is conducted on the site at anytime by combining a cloud server technology, the personnel safety escape time is reserved, and personnel property losses are avoided.

The invention provides an intelligent environment monitoring, parking stall management and automatic illumination system of a community. The system comprises a single-chip microcomputer and an environment detecting and signal processing circuit connected to the single-chip microcomputer via an analog to digital conversion circuit. The environment detecting and signal processing circuit comprises a (1) humidity and temperature sensor which measures the temperature and humidity of the present environment, (2) a noise sensor which measures noises in the present environment, (3) an infrared detection module which detects the parking stall using condition, (4) an air quality sensor which detects the air quality condition of the present environment, and (5) a photosensitive sensor which detects the illumination condition of the environment. The system can monitor the temperature, humidity, noise, air quality and parking stall using conditions of the environment comprehensively, and pushes collected information to display screens of families in the community.

The invention discloses a plant critical freezing injury temperature detector and belongs to the field of monitoring and control of agro-meteorological disasters. The detector comprises a detector main engine which takes a power consumption microcontroller as a core, and a plant critical freezing injury temperature wireless sensor, wherein the detector main engine is in wireless communication with the plant critical freezing injury temperature wireless sensor through a wireless transmission communication protocol. According to the plant critical freezing injury temperature detector disclosed by the invention, portable and effective measurement of plant critical freezing injury temperatures is realized; the plant critical freezing injury temperature detector is simple in structure and low in cost; and the wireless sensor and the detector are used for carrying out wireless transmission of data, and multi-point monitoring of the plant critical freezing injury temperatures is realized.

The invention discloses a tower deformation and conductor galloping risk assessment model based on typhoon weather, and the model comprises a remote management terminal, at least one electromagnetic wave sensor and at least one deformation detector; the remote management terminal transmits an ultra-wideband electromagnetic wave signal; the electromagnetic wave sensor receives electromagnetic waves; and the deformation detector detects the deformation quantity inverted by using the phase change difference value of the echo signal. The tower deformation and conductor galloping risk assessment model based on typhoon weather is long in monitoring distance, can realize multi-point monitoring, is not limited by meteorological environment, and can realize real-time continuous all-weather monitoring; the technology of simultaneous extraction of multiple observation points of the tower and deformation measurement is utilized to realize multi-point measurement and achieve the purpose of monitoring conductor galloping and tower deformation, so the cost is low, thereby ensuring that evaluation and timely early warning of tower state operation are well realized, the safety of a power transmission line is ensured, the occurrence of power grid accidents is reduced, the trip-out rate of a power grid is reduced, and reliable operation of a power grid is greatly improved.

The invention relates to an airport runway lamplight detection system which comprises runway lamplight, lamp holders, screws, pressure sensors, a single-chip microcomputer control system, a sending device, a receiving device and a computer terminal, wherein the lamp holders are fixedly arranged on the two sides of the designated position of an airport runway through the screws, the pressure sensors are arranged between a runway lamplight installation surface and the lamp holders, one half of the pressure sensors are embedded in the lamp holders and corresponding to the bottoms of screw holes,the single-chip microcomputer control system is connected with a plurality beams of runway lamplight through wires, the sending device is connected with the single-chip microcomputer control system through a wire circuit, the sending device and the receiving device are in communication through electromagnetic waves, the receiving device is in communication connection with the computer terminal through a wire, and by use of the airport runway lamplight detection system which comprises the pressure sensors, the single-chip microcomputer control system, the sending device, the receiving device and the computer terminal, the installation stability of the runway lamplight in subsequent work can be detected in real time, and a large amount of manpower and material resources are saved.

The invention relates to the technical field of building construction monitoring, in particular to a laser-based high-formwork vertical rod displacement monitoring device and an early warning method.The laser-based high-formwork vertical rod displacement monitoring device comprises a monitoring module, and the monitoring module comprises laser emitters, laser receivers, an analyzer and displacement follow-up parts; the plurality of laser emitters and the plurality of laser receivers are respectively arranged on the side of a high-formwork transverse rod and the side of a high-formwork vertical rod in pairs, laser beams between each pair of laser emitter and laser receiver are vertical or parallel to the ground, and the plurality of displacement follow-up parts are arranged on the high-formwork vertical rod. Any one displacement follow-up part is subjected to displacement change along with the high-formwork vertical rod where the displacement follow-up part is located, the analyzer is connected with the laser transmitter and the laser receiver, and multi-point monitoring of the high-formwork vertical rod and accurate positioning of the position where the displacement of the high-formwork vertical rod exceeds a preset value can be achieved.

The invention relates to the field of batteries, and provides a battery cell assembly, a battery module and a battery system. The battery cell assembly comprises two battery cell units, a supporting plate and an insulating support, the two battery cell units are arranged in an array mode in the thickness direction, and the two ends, in the length direction, of each battery cell unit are connected with sealing edges; the supporting plate is arranged between the two battery cell units and is fixedly connected with the two battery cell units; the insulating bracket comprises a main body which is fixedly connected to the end part of the supporting plate and is arranged between the sealing edges of the two battery cell units, a fixing hole is formed in the main body, and the extending direction of the fixing hole is vertical to the length direction of the battery cell units. Based on the structure, the end part of the battery cell assembly can be directly fixed through the fixing hole, and the main body can share a space with the sealing edge in the length direction of the battery cell assembly without additionally increasing the size of the battery cell assembly in the length direction, so that the ratio of the length of the battery cell unit to the length of the battery cell assembly is favorably increased; and the utilization rate of the battery cell assembly in the length direction is greatly improved.

The invention discloses a marine closed space environment monitoring device, method and system, and belongs to the field of environment monitoring, the marine closed space environment monitoring device comprises a liquid leakage sensor, a temperature and humidity sensor and an environment monitoring processor, and the liquid leakage sensor and the temperature and humidity sensor are reasonably arranged in a closed cabin; an environment monitoring processor is used for monitoring the liquid leakage condition, temperature and humidity in a cabin in real time, false alarm of a liquid leakage sensor caused by condensation due to too high atmospheric humidity and temperature difference is eliminated, and meanwhile, a liquid leakage accident is reported, and/or a drying agent failure and/or a temperature abnormity problem are reported. According to the invention, the false alarm of the liquid leakage sensor caused by condensation due to too high atmospheric humidity and temperature difference is eliminated, and liquid leakage monitoring with low false alarm rate and abnormal state reporting are realized.