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69results about How to "Increase monitoring frequency" patented technology

Robotic fish capable of carrying water quality detection sensor

The invention provides a robotic fish capable of carrying a water quality detection sensor. The robotic fish capable of carrying a water quality detection sensor comprises a robotic fish framework, a fishtail dynamics pushing mechanism and a control system, wherein the robotic fish framework is manufactured by simulating body forms of carangidae fish types; the fishtail dynamics pushing mechanism comprises a fishtail power device and a tail fin power device; the fishtail power device drives the whole fishtail to swing; the tail fin power device drives the tail fin to swing; body forms of carangidae fish types are adopted, a crescent-moon-shaped tail fin is adopted as the appearance of a propeller; the robotic fish moves in water, a dissolved oxygen sensor is used for sampling to obtain data, and the data are transmitted to an upper position machine by a wireless radio frequency transceiving module, and the cruise trajectory and relevant parameters are displayed via a visualized window of the upper position machine so as to draw a data analysis diagram. The robotic fish provided by the invention can be used for monitoring the water quality dynamically in real time at different positions of the whole water area and is high in monitoring frequency, and the measured data are good in precision and timeliness.
Owner:SHANGHAI OCEAN UNIV

Device and method for energy saving and consumption reduction of dimethyl carbonate device

ActiveCN106699565AReasonable distributionImprove mass transfer separation efficiencyOrganic compound preparationComponent separationReboilerChemistry
The invention relates to a device and method for energy saving and consumption reduction of a dimethyl carbonate device. The method comprises the following steps that (a) a mixed material of propylene carbonate, methanol and methanol base catalysts passes through a heat exchanger and then enters a reaction rectifying tower for primary reaction and fractionation; a generated azeotrope of dimethyl carbonate and the methanol enters a pressurization rectifying tower after being condensed by a tower top condenser; (b) after the separation by the pressurization rectifying tower, light ingredients enter a methanol rectifying tower to be rectified; (c) an azeotropic composition at the tower top of the methanol rectifying tower is subjected to temperature rise and pressurization through a rectifying heat pump, and is then used as a heat source of a reboiler of the methanol rectifying tower; the azeotrope discharged from the reboiler respectively enters a feeding preheater and a condenser to be cooled through the reaction rectifying tower. The device and method provided by the invention have the beneficial effects that the energy consumption is reduced by 20.2 percent; the distribution of gas phase materials in the tower is more reasonable; the mass transfer separation efficiency of the rectifying tower is improved; in addition, the continuous and regular collection of liquid samples is realized; the product monitoring frequency is greatly improved; the device can be favorably regulated in time.
Owner:DONGGUAN UPC IND & TRADE +1

Method and system for remote wireless monitoring of plant chlorophyll fluorescence

The invention provides a system for remotely and wirelessly monitoring plant chlorophyll fluorescence. The system comprises a modulation fluorescence instrument used for measuring plant chlorophyll fluorescence parameters, a data acquisition unit used for acquiring data monitored by the modulation fluorescence instrument, a wireless communication module used for sending the data to a monitoring center, a communication antenna used for sending the data through a wireless communication network, a solar energy panel used for acquiring solar energy and converting the solar energy to electrical energy, a storage battery pack used for storing the electrical energy which is generated by the solar panel and used as standby electrical energy so that the electric power supply of the system is supplemented when solar energy power generation is insufficient, a photovoltaic controller used for stabilizing a voltage of the solar energy power generation and enabling the solar energy panel to charge the storage battery pack, and a power supply panel used for providing a needed electric power supply to the modulation fluorescence instrument, the data acquisition unit and the wireless communication module. Correspondingly, the invention also provides a method for remotely and wirelessly monitoring the plant chlorophyll fluorescence. According to the method and system provided by the invention, the ecological monitoring of more parameters can be chronically and continuously performed in wild fields, and the wireless remote data transmission is simultaneously performed.
Owner:上海乾菲诺农业科技有限公司

Sensor-based road bridge state monitoring method and system

The invention relates to the technical field of data monitoring, and provides a sensor-based road bridge state monitoring method and system. The method comprises the steps that the first data acquired by sensors are acquired, the sensors are arranged at the preset positions of the road bridge, and the number of the sensors is greater than the minimum number of the sensors required for monitoring the road bridge state; the second data meeting the preset condition in the first data are transmitted to a server, wherein the preset condition is that the acquisition time is within the preset time range or the data value exceeds the preset range; and the trend of the monitoring indexes of the road bridge state is determined according to the second data and the trend of the monitoring indexes is matched with a preset standard model, and a warning notice is given if matching fails. The comprehensiveness of the monitoring result can be guaranteed by the sensors arranged at the preset positions of the road bridge, and monitoring of the road bridge state is not influenced by the work state of certain sensors so that secondary construction and the monitoring cost and the low efficiency caused by secondary construction can be avoided, the monitoring cost is low and the monitoring efficiency is high.
Owner:SHENZHEN SHENGLU IOT COMM TECH CO LTD

Laser automatic analysis system and method for shield underneath pass structure deformation

The invention relates to a laser automatic analysis system for shield underneath pass structure deformation. The system comprises a laser measuring unit which can measure the displacement and / or the displacement change rate of a structure by utilizing a laser optical path difference, an automatic analysis unit which is used for comparing the displacement and / or the displacement change rate with corresponding set thresholds in a database respectively and outputting a comparison result, and a laser measuring unit which comprises a wedge-shaped target plate attached to the structure and used forreflecting laser. The wedge-shaped target plate is provided with at least two different reflection angles corresponding to different construction stages; the at least two different reflection angles respectively correspond to respective set thresholds, so that the automatic analysis unit can read the respective set thresholds according to the settlement rules of the structures in different construction stages and compare the respective set thresholds with the displacement and / or the displacement change rate; and the at least two different reflection angles can change the change rate of the laser path difference in different construction stages of a shield.
Owner:北京住总集团有限责任公司

Tunnel deformation monitoring and early warning radar system

The invention discloses a tunnel deformation monitoring and early warning radar system, which comprises a deformation monitoring radar module, a router, a central processing unit, a trihedral corner reflector, an alarm system and a cloud platform, and is characterized in that the deformation monitoring radar module comprises a radio frequency module, a radio frequency control module, a communication module and a signal processing module; the central processing unit comprises a communication module, a module control unit, a data processing platform and a data storage unit; the signal processingmodule is used for receiving a command of the central processing unit and transmitting detection signal data to the central processing unit; the central processing unit is used for analyzing receivedecho data, calculating coordinates of a point to be measured according to the analyzed distance information, uploading monitoring information to the cloud platform through the transmission network, and completing communication, data storage, information integration and alarm system driving with the plurality of deformation monitoring radar modules; the system can work normally in various complextunnel environments, and all-weather, full-automatic and real-time monitoring, uploading and early warning can be achieved.
Owner:HUNAN TAIKANG ELECTRONICS INFORMATION TECH CO LTD

Construction measurement system and method based on earth-rock excavation operation of excavating machine

The invention relates to the technical field of buildings and civil engineering, and discloses a construction measurement system and a construction measurement method based on earth-rock excavation operation of an excavating machine. The construction measurement system comprises the excavating machine, a double-axis inclination angle sensor, an angle sensor, a range finder, a data integration module, a data computing terminal, a power supply module and the two GNSS receivers, wherein the double-axis inclination angle sensor, the angle sensor, the range finder, the data integration module, thedata computing terminal, the power supply module and the two GNSS receivers are arranged on the excavating machine; and the power supply module supplies power to the GNSS receivers, the double-axis inclination angle sensor, the angle sensor, the range finder, the data integration module and the data computing terminal. According to the construction measurement system, observation data are providedin real time while excavation construction is conducted by means of operation equipment, traditional excavation retesting and midway paying-off procedures are omitted, excavation interruption causedby retesting and paying-off is avoided, excavation continuity is improved, and excavation construction efficiency is improved; and the observation data are provided in real time during excavation construction of the excavation machine, excavation real-time monitoring is achieved, the monitoring frequency is higher than the traditional construction re-measurement frequency, the excavation precisionis improved, and over-excavation and under-excavation are avoided.
Owner:CHONGQING JUNENG CONSTR GRP

Method for dynamically adjusting dormancy process of battery management system

The invention provides a method for dynamically adjusting the dormancy process of a battery management system, which comprises the following steps: 1) introducing an adjustment factor FA as an adjustment standard of the dormancy process of the battery management system; enabling the battery management system to monitor and analyze a battery state in a wake-up mode, and calculating the adjustment factor FA according to the battery state, wherein the weight of the battery in a normal state is a first weight GN, and the first weight GN causes the positive gain of the adjustment factor FA, the weight of the battery in the abnormal state is a second weight GE, and the second weight GE causes the negative gain of the adjustment factor FA; 2) setting a maximum value Tmax and a minimum value Tminof a dormancy period in the battery management system, and calculating a dormancy period THib of the current battery management system according to a previous dormancy period TBase of the battery management system; and 3) after the wake-up mode is finished, enabling the battery management system to enter a dormancy mode by taking the value of the THib as a sleep period, and storing the value of the current sleep period as the TBase value of the next calculation sleep period.
Owner:惠州市亿兆能源科技有限公司

Temperature real-time collection device

The invention belongs to the technical field of temperature measurement, and discloses a temperature real-time collection device. The temperature real-time collection device is provided with temperature measurement devices, each temperature measurement device is connected with a temperature measurement cable, each temperature measurement cable is provided with a plurality of temperature measurement points, and a digital temperature sensor is arranged at each temperature measurement point; each temperature measurement device is connected with a repeater through wireless signals, the repeaters are located at the outer side of a granary and are connected with concentrators through wireless signals, and the concentrators are connected with a main control computer through data buses. Accordingto the temperature real-time collection device, the temperature measurement devices automatically read temperature data and measurement point position data of the temperature measurement cables, in wireless modes such as LORA, the temperature data and the measurement point position data are sent to the repeaters, each temperature measurement device supports the temperature measurement cables of 32temperature measurement points at most, advanced wireless spread spectrum communication technologies and sensor technologies in current Internet-of-Things technologies are adopted, temperature parameters of the granary are remotely and automatically measured, collected, subjected to data statistics, and analyzed; compared with traditional manual measurement modes, the temperature measurement efficiency and the temperature measurement accuracy are greatly improved.
Owner:ZHAOQING ZHIYIN INFORMATION TECH +1

Photovoltaic power station monitoring management system

The invention relates to the technical field of photovoltaic power station operation and maintenance, in particular to a photovoltaic power station monitoring management system which comprises a box body, a main controller is fixed to the center of the inner wall of the rear end of the box body in a rivet connection mode, and unmanned equipment auxiliary monitoring assemblies are arranged at the ends of the two sides of the inner wall of the top end of the box body. The unmanned equipment auxiliary monitoring assembly comprises a storage box a and a storage box b, an unmanned aerial vehicle is arranged in the storage box a, an unmanned monitoring trolley is arranged in the storage box b, cooling assemblies are arranged on the end walls of the two sides of the box body and comprise fan blades, and ventilation grooves are formed in the positions, connected with the fan blades, of the inner walls of the two side ends of the box body. In this way, it can be known that the photovoltaic power station monitoring device can replace workers to monitor a photovoltaic power station, the labor intensity of the workers can be reduced, and the monitoring frequency of the photovoltaic power station can be improved.
Owner:河南省新思源电力科学研究院有限公司

Convex large cutter head and slurry balance pipe jacking machine

PendingCN108868812AGuaranteed smoothnessAdjust the attitude of the noseTunnelsEngineeringSlurry
The invention provides a convex large cutter head and slurry balance pipe jacking machine which comprises a grid cutter head. The grid cutter head comprises an outer margin plate, a plurality of longrib plates, an annular center side plate, an annular sub-center side plate and a plurality of short rib plates, the outer margin plate covers the front end of a slurry bin and is rotatably connected to the front end of the slurry bin, the long rib plates are uniformly distributed in an internal space of the outer margin plate by taking the axis of the outer margin plate as a center, one end of each long rib plate is connected with an inner loop surface of the outer margin plate, the center side plate is positioned at the center of the outer margin plate and coaxial with the outer margin plate,the other end of each long rib plate is connected with an outer loop surface of the center side plate, the sub-center side plate is positioned between the outer margin plate and the center side plateand coaxial with the outer margin plate, the long rib plates fixedly and alternately pass the sub-center side plate, and two ends of each short rib plate are connected with the inner loop surface ofthe outer margin plate and the outer loop surface of the center side plate. The convex large cutter head and slurry balance pipe jacking machine can meet the tunneling requirements of complicated soillayers such as soil layers with weakly weathered scattered stone pieces discontinuously appearing below 50 square centimeters, and deviation can be automatically rectified.
Owner:SHANGHAI JIAO TONG UNIV

Large-scale ocean water quality automatic monitoring system in deep and far sea

The invention provides an automatic monitoring system for large-scale ocean water quality in deep and far sea, relates to a monitoring system, in particular to the automatic monitoring system for the large-scale ocean water quality in the deep and far sea, and belongs to the field of seawater quality monitoring. The system comprises a ship-borne data center and an on-site monitoring system, the water temperature, the pH value and the turbidity of seawater are monitored through a data acquisition module, a monitoring point is positioned through a GPS positioning sensor, a sensor signal and a GPS positioning signal are transmitted out through a wireless transmitting device, and when a detection ship passes through the vicinity of the on-site monitoring system, the ship-borne data center mounted on the detection ship receives and stores the data transmitted by the data acquisition module. The technical problems that in the prior art, monitoring operation cost is high, manual sampling consumes manpower, and monitoring frequency is low are solved. The monitoring cost is reduced, the manpower consumption is reduced, the monitoring frequency is improved, and fixed-point real-time monitoring can be carried out on a sensitive area with problems.
Owner:莫宏伟

Method for monitoring carrier concentration of SiGe structure

The invention provides a method for monitoring the carrier concentration of a SiGe structure. The method comprises the following steps of: obtaining correlation data between the hole carrier concentration of a SiGe structure and the resistivity of the SiGe structure; providing a monitoring wafer, and forming a SiGe structure with P-type doped ions on the surface of the monitoring wafer by using a SiGe process corresponding to a product wafer; forming a barrier layer on the surface of the monitoring wafer, the barrier layer covering the SiGe structure; and obtaining the resistivity of the monitoring wafer, and obtaining the hole carrier concentration of the product wafer according to the correlation data. By forming the barrier layer on the surface of the SiGe structure, the change of the resistivity of the SiGe structure is slowed down, so that accurate, economical and efficient monitoring of the carrier concentration of the SiGe structure of the product wafer is realized; the specific hole carrier concentration can be obtained according to the obtained correlation data; and the monitoring method is simple and easy to implement, so that the monitoring frequency can be improved to realize high-frequency production line stability monitoring.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP

Tourist attraction ecological environment monitoring device

The invention relates to the technical field of monitoring equipment, in particular to a tourist attraction ecological environment monitoring device which comprises a mounting mechanism, the mounting mechanism comprises a mounting plate, and a water flow power generation mechanism is fixedly arranged on the mounting plate. According to the water quality detection device, an electric rod drives a water quality detection rod to be inserted into a water receiving box for water quality detection, a circular plate still rotates in the detection process, so that a sliding block slides in a semicircular sliding rail, a bending spring is gradually compressed, and after detection is completed, the electric rod drives the water quality detection rod to be pulled out of the water receiving box; when a rotating disc rotates, a water quality detection rod can be driven by a rotating plate to slide in an arc-shaped groove plate, so that the outer wall of the water quality detection rod can be cleaned through a convex cotton cushion in the arc-shaped groove plate, the water quality detection accuracy can be improved, a flowing water source is sampled, and the water quality detection accuracy is improved. Therefore, water quality monitoring can be carried out on the water body in the scenic area creek.
Owner:CHONGQING UNIV OF EDUCATION
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