36results about How to "Reach monitoring" patented technology

The invention discloses an optical fiber sensor system for measuring static/dynamic strain and temperatures simultaneously and a method for the optical fiber sensor system. On the basis of a B-optical time-domain analyzer (OTDA) sensor system and a phi-optical time-domain reflectometry (OTDR) sensor system, an operation mode is switched through an optical switch, so that the optical fiber sensor system is skipped in two operation modes, and the static strain and dynamic disturbance can be measured simultaneously. In the invention, the dynamic disturbance and strain sensing based on a phi-OTDR technology and temperature distribution and static deformation sensing based on a B-OTDA principle are combined, so that a set of sensing system has the functions of a phi-OTDR and a B-OTDA, the defects that the conventional B-OTDA can only be used for the static strain and instant dynamic strain or external weak disturbance cannot be captured are effectively overcome, and the defects that the conventional phi-OTDR can only detect the dynamic strain and cannot be used for static measurement are overcome simultaneously; and the system and the method have great application prospects in long-distance distributed type sensing systems.

The invention discloses a coal mine safety comprehensive monitoring platform. The coal mine safety comprehensive monitoring platform comprises a monitoring center, an underground environment monitoring subsystem, a worker underground real-time positioning subsystem, an underground video monitoring subsystem and a safety dispatching monitoring subsystem, wherein alarm information sent by the underground environment monitoring subsystem and worker position condition abnormal information sent by the worker underground real-time positioning subsystem are uploaded to the monitoring center; after the underground video monitoring subsystem receives an alarm information processing instruction or a worker position condition abnormal information processing instruction sent by the monitoring center, a cradle head or a camera set at the alarm information occurrence point or in the worker position condition abnormal area is automatically switched, and real-time video recording is carried out; in addition, the safety dispatching monitoring subsystem and the worker underground real-time positioning subsystem work cooperatively, and the safety dispatching monitoring subsystem accurately and completely records inspection tour in-place conditions of workers. By means of the real-time, effective and cooperative management and control among the subsystems, safe and intelligent monitoring and management of a coal mine are achieved.

The invention provides application of terpene used as a Yunnan Pissodes radiatae Hopkins attractant and the Yunnan Pissodes radiatae Hopkins attractant, and the application of one or more of (1S)-(-)-alpha-pinene, myrcene and 3-carene used as the Yunnan Pissodes radiatae Hopkins attractant. The attractant consists of (1S)-(-)-alpha-pinene and myrcene at volume ratio of 1-3:1-3; or the attractant consists of (1S)-(-)-alpha-pinene, myrcene and 3-carene at volume ratio of 1-3:1-3:1-3. The invention uses the attractant of plant origin, which contains host volatiles, to attract a large number of Yunnan Pissodes radiatae Hopkins to enable the Yunnan Pissodes radiatae Hopkins gather together in certain device and then kills the Yunnan Pissodes radiatae Hopkins. The Yunnan Pissodes radiatae Hopkins attractant is low in cost, efficient, totally environment-friendly and safe to animals and people, and does not cause the pests to develop immunity to drugs. The Yunnan Pissodes radiatae Hopkins attractant changes the conventional passive chemical control to active biological control and can reach the purpose of monitoring and predicting the damage by pests in forests according to the number of the Yunnan Pissodes radiatae Hopkins caught in the trapper.

A tire pressure dynamic weighing device based on a neural network is characterized in that a sensor module connected with a pressure sensor, a temperature sensor and a level sensor collects data transmitted by the sensors, and transmits the data to a signal compilation and transmission module to realize wireless transmission connection of the sensor data; the signal compilation and transmission module compiles a data signal and then transmits the data signal to a data analysis module, and the data analysis module analyzes the data through a neural network analysis mode and transmits the final analysis result to a system display module; and a data interface module connected with the system display module is responsible for sending the analysis result to a peripheral system. The beneficial effect is as follows: tire pressure, temperature information and other data of different vehicles can be collected, stored and transmitted, the data is finally analyzed through a neural network data analysis model, and the analyzed data is output to the system display module to achieve the purpose of monitoring and pre-warning. Meanwhile, data interfaces are provided for the external system.

The invention belongs to the field of optical fiber sensing, and mainly relates to an optical fiber cladding SPR micro-bending sensor and a calibration device thereof. The optical fiber cladding SPR micro-bending sensor disclosed by the invention has the advantages that the manufacturing difficulty and the manufacturing cost of the optical fiber SPR sensor are reduced; the measurement of the bending curvature through the SPR effect is innovatively proposed and verified, and the research field of the traditional optical fiber type micro-bending sensor is expanded to a certain extent. The optical fiber cladding SPR micro-bending sensor has obvious advantages in landslide disaster monitoring, the large landslide disaster frequency generation points are buried, and once tiny deformation occurson the earth surface, and the landslide intensity can be speculated by observing the depth and the displacement of the SPR resonance peak on the spectrometer, so that the landslide disaster can be monitored, and the optical fiber cladding SPR micro-bending sensor has a wide application value.

The invention provides a device for researching a carbon dioxide diffusion front edge and a method of the device. The device for researching the carbon dioxide diffusion front edge comprises a carbon dioxide injection system, a detecting system and a liquid injection system, wherein the carbon dioxide injection system comprises a carbon dioxide gas cylinder; the detecting system comprises a transparent detecting tube and a connector which communicates with an external pipeline; the connector comprises a first connector and a second connector; the liquid injection system comprises a liquid storage container; the gas cylinder communicates with the first connector; the first connector communicates with one end of the transparent detecting tube; the other end of the transparent detecting tube communicates with the second connector; and the second connector communicates with the liquid storage container. The experimental device can realize online measurement, has the characteristics of high speed and high sensitivity, and provides a new way for indoor research of carbon dioxide diffusion behaviors.

The invention relates to a fan gearbox state recognition method based on a likelihood learning machine. The fan gearbox state recognition method based on the likelihood learning machine comprises thefollowing steps: 1) extracting the kurtosis from a vibration signal of the fan gearbox as a fault characteristic quantity of the fan gearbox; 2) using the likelihood learning machine to learn the kurtosis to generate a Gaussian model as a state monitoring model, that is, a Gaussian monitoring model; and 3) using the generated Gaussian monitoring model to judge the state of the gearbox. Compared with the traditional method of fault diagnosis by signal processing, the traditional method for fault recognition needs to rely on the experience of the operating personnel, but the fan gearbox state recognition method based on the likelihood learning machine does not rely on the experience of the operating personnel and has the characteristics of intelligent recognition; and compared with intelligent algorithms in the prior art, the intelligent algorithms in the prior art are prone to over-fitting problems, and the invention has good generalization and good portability.

The invention relates to a method for measuring the conductivity of inorganic binder sand. The method comprises the steps of adding distilled water into the inorganic binder sand, sequentially carrying out vibration and centrifugal separation, extracting supernate, and representing the amount of an inorganic binder in the inorganic binder sand by virtue of a method for detecting the conductivity of the supernate by virtue of a conductivity instrument. The method has the beneficial effects that the operation process is strict, simple and convenient; the stability is high; the numerical value ishigh, the repeatability is high, and meanwhile, the troubles in the preparation and use of a solution are reduced; and a chemical reagent is not used in the whole measurement process, and only wateris adopted, so that the method is relatively environment-friendly and efficient, and the cost is saved.

The invention relates to a hydrodynamic navigation safety early warning method and system, computer equipment and a storage medium. According to the technical scheme, the hydrodynamic navigation safety early warning method comprises the steps of collecting ship information, channel data of a predetermined water area and water flow data of the predetermined water area; obtaining hydrodynamic data of the predetermined water area according to the navigation channel data and the water flow data of the predetermined water area; establishing a hydrodynamic model corresponding to the predetermined water area according to the channel data of the predetermined water area and the hydrodynamic data of the predetermined water area; obtaining a navigable area of the predetermined water area according to the ship information and the hydrodynamic model, and sending a navigation safety alarm if the ship deviates from the navigable area. The method has the advantage that the stability and safety of theship during running are guaranteed.

The invention provides a dual-core control device based on a severe industrial environment. The dual-core control device comprises a main processor for monitoring data, and is characterized by also being internally provided with an adjunct processor, wherein the adjunct processor and the main processor are in interactive signal connection; the adjunct processor is respectively in interactive connection with a wireless communication module and an Ethernet communication module; interactive signal connection of the dual processors is adopted, and the adjunct processor is used for being connected with the Ethernet and the wireless communication, so that the condition that configuration communication integrating wireless communication and Ethernet communication is controlled is realized, and the applicability and operability of the dual-core control device based on the severe industrial environment are improved; data monitoring, transmission and control functions of the control device are realized by the main processor, and the main processor can independently operate; and a remote control function can be realized in places online, so that the response speed and working efficiency of the control device are greatly improved, and the application range of the dual-core control device can be improved.

The present invention provides an engineering subcontracting treatment method and an engineering subcontracting treatment apparatus. The engineering subcontracting treatment method comprises: detecting whether a first entrance guard opening command is received, wherein the first entrance guard opening command is the command output by a first entrance guard card and used for indicating entrance guard equipment to be opened, and the first entrance guard card is the entrance guard card storing subcontracting personnel information; if receiving the first entrance guard opening command, detecting whether a second entrance guard opening command is received before receiving the first entrance guard opening command, wherein the second entrance guard opening command is the command output by a second entrance guard card and used for indicating the entrance guard equipment to be opened, and the second entrance guard card is the entrance guard card storing subcontracting management personnel information; and outputting alarm information if the second entrance guard opening command is not received before receiving the first entrance guard opening command. With the method and the apparatus of the present invention, the problem that the concurrent entering/leaving the engineering field of the subcontracting management personnel and the subcontracting personnel is difficultly ensured during the engineering subcontracting implementation process is solved.

The invention discloses an experimental device for evaluating the performance of a supersonic cyclone separator. The experimental device comprises a compressor, an ejector, a mixer, a gas storage tank, the supersonic cyclone separator and a gas cylinder group, an outlet of the compressor is connected with a high-speed flow inlet of the ejector, and an outlet of the gas cylinder set is connected with a low-speed flow inlet of the ejector. An outlet of the ejector is connected with an inlet of the mixer, an outlet of the mixer is connected with an inlet of the gas storage tank, an outlet of thegas storage tank is connected with an inlet of the supersonic cyclone separator, a gas phase outlet of the supersonic cyclone separator is connected with the gas phase pipeline, and a liquid phase outlet of the supersonic cyclone separator is connected with the liquid phase pipeline. The invention provides a stable and reliable testing system, CO2 can be added into compressed air through the arrangement of the gas cylinder set so as to simulate the existence of CO2 gas in natural gas, and therefore the separation and removal effect of the supersonic cyclone separator on CO2 impurity gas can betested.

The invention discloses a cargo tracking communication system. The cargo tracking communication system comprises a control system, the control system is connected with and controls a vibration sensing module, a photosensitive sensing module, a temperature and humidity sensing module and a dialing module, the vibration sensing module generates first signals and second signals according to the cargo vibration condition and sends the first signals and the second signals to the control system, the photosensitive sensing module detects light in a cargo package, converts the light into digital voltage, and transmits the digital voltage to the control system, the temperature and humidity sensing module detects temperature and humidity data in the cargo package and sends the data to the control system, and the control system receives the first signals and the second signals emitted by the vibration module. According to the system, indexes such as box opening, moving, arrival, rough loading and unloading, and temperature etc. can be sensed through various sensors, simplified cargo state information is uploaded to a cloud service for processing through a surrounding cellphone base station, and the goal of monitoring the cargo in a global range is achieved.

The invention relates to an electricity utilization monitoring system and a method thereof. The electricity utilization monitoring system comprises an acquisition unit, a conversion unit, a server anda mobile terminal. The acquisition unit is used for acquiring initial data; the convention unit is used for converting the initial data to form electricity utilization data; the server is used for analyzing and packaging the electricity utilization data to for a data pack, and then sending the data pack; the mobile terminal is used for receiving the data pack, processing the data pack, setting corresponding peak value, and sending an early warning while displaying the electricity utilization data when the data of the data pack exceed the set peak value. The server receives the data acquired by the acquisition unit, analyzes and packages the data, and then sends the data to the mobile terminal, the mobile terminal receives the data to do corresponding processing, and sends corresponding early warning when the data exceeds the peak value, thereby helping users to learn electricity utilization conditions, achieving low power consumption, high performance, low cost and automation during electricity utilization monitoring.

The invention relates to the technical field of urban planning, in particular to a road over-high vehicle automatic detecting and photographing system which comprises supporting frames, distance sensors, a single chip microcomputer, cameras, network ports and a warning board; the distance sensors are installed under the front supporting frame; the cameras are installed under the rear supporting frame; the single chip microcomputer and the network ports are arranged in the rear supporting frame; and the warning board is arranged at the upper middle part of the rear supporting frame. According to the road over-high vehicle automatic detecting and photographing system, the distance sensors are adopted to measure distances from a vehicle top to the corresponding distance sensors respectively and transfer the distances to the single chip microcomputer, the single chip microcomputer controls the cameras to photograph a passing vehicle according to data supplied by the distance sensors, the network ports transfer photographed photos to a traffic commanding center, and thus the over-high vehicle is monitored; and taking monitored photos as a basis, the vehicle is fined, marks of the vehicle are deducted, and thus the over-high condition of the vehicle can be greatly lowered, the road traffic safety is improved, and occurrence of an accident is reduced.

The invention relates to a monitoring, early warning and protecting simulation visual system for the working state of a drill rod of a rotary drilling rig. The monitoring, early warning and protecting simulation visual system comprises a display and control all-in-one machine, a main winch depth sensor, a power head position sensor and a power head weight sensor, wherein the display and control all-in-one machine is connected with a power supply and is connected to a hydraulic or electric appliance execution element, the display and control all-in-one machine is connected with the main winch depth sensor which is used for measuring the drilling depth, and the display and control all-in-one machine is connected with the power head position sensor which is used for monitoring the position of a power head and the power head weight sensor which is used for monitoring the weight of the power head; the main winch depth sensor is fixedly installed on a main winch of the rotary drilling rig or a component associated with a steel wire rope; the power head position sensor is fixedly installed on a mast or the power head of the rotary drilling rig or a component connected with the mast and the power head and is used for connecting the power head with the mast and measuring the position of the power head on the mast; and the power head weight sensor is installed on a pin shaft which is used for connecting the power head with a pressurizing oil cylinder or other components which can measure the weight change of the power head and are directly or indirectly connected with the power head.

The invention discloses a real-time micro-vibration monitoring system, which comprises a vibration sensor and a device. The system further comprises a receiver, a cloud, a background PC and a tenant PC. The vibration sensor is installed on the device, the vibration sensor detects vibration of the device, and the vibration sensor transmits a detection signal to the cloud through the receiver for storage. The background PC and the tenant PC receive storage values of the cloud, and the background PC is provided with a data analysis unit. The vibration of the device can be detected through the vibration sensor, a detection result can be transmitted to the background PC and the tenant PC through the cloud, the background PC can analyze detection data, and through long-time data analysis and convergence, the vibration setting value of the device is adjusted to an ideal state. The vibration sensor and the device are connected through a bolt, so that the vibration sensor and the device can be tightly attached to ensure the detection accuracy.

The invention relates to a self-cleaning fine spectrum water body parameter measuring device and method based on turbidity correction, and aims to solve the technical problems that the accuracy of water body parameter monitoring based on a continuous fine spectrum analysis method at present is low, and sediment cleaning operation of a monitoring window is troublesome. The device comprises a shell, a water body accommodating pipe, a driving module, a drainage module, a detection module and a signal processing output module, the driving module comprises a driving assembly and a driving rod, a cleaning brush is arranged at the lower end of the driving rod, and the detection module comprises a turbidity scattering correction measuring unit and a continuous spectrum measuring unit which are arranged on the inner side face of the shell. The method comprises the following steps: 1, correcting a measurement result of a continuous spectrum measurement unit by adopting a plurality of standard solutions according to a measurement result of a turbidity scattering correction measurement unit to obtain a correction coefficient; 2, correcting the measurement result of the continuous spectrum measurement unit according to the correction coefficient; 3, starting a cleaning program; and 4, repeating the steps 2 and 3, and monitoring the water body parameters in real time.

The high-nitrogen-oxygen-ratio air separation safe and stable operation intelligent monitoring system comprises a gas conveying pipeline and an electric appliance box, an audible and visual alarm is fixedly installed at the middle end of the bottom of the outer surface of the electric appliance box, and a controller is fixedly installed at the middle end of the top of an inner cavity of the electric appliance box; an information processor is fixedly installed at the left end of the top of an inner cavity of the electric appliance box, and fixing seats are fixedly connected between the peripheries of the top of the outer surface of the gas conveying pipeline. Under the action of mutual cooperation of the threaded cover, the fixing seat, the top plate, the spring, the annular pressing plate, the annular fixing plate, the nitrogen-oxygen sensor body, the gas conveying pipeline, the information processor, the controller and the audible and visual alarm, the purposes of monitoring nitrogen oxides in waste gas in real time and performing early warning when the nitrogen oxide content is abnormal are achieved; meanwhile, a user can conveniently mount and dismount the nitrogen-oxygen sensor body, and great convenience is brought to later maintenance work of the user.

The invention discloses a dustproof cabinet for a computer system. The dustproof cabinet comprises a main cabinet body. The left and right sides of the main cabinet body are connected with a front sealing door and a rear sealing door through hinges respectively; a handle and a visible window are arranged on the outer side of the front sealing door; the handle is arranged on the leftmost side of the middle of the front sealing door, and the visible window is arranged in the middle of the front sealing door; the semiconductor chilling plate and a sealing ring are arranged on the inner side of the rear sealing door; the semiconductor chilling plate is arranged in the middle of the rear sealing door; the sealing ring is arranged on the outer side of the semiconductor chilling plate; and heat dissipation windows are arranged on the front side and the rear side of the main cabinet body. The front sealing door and the rear sealing door are installed and can effectively seal the main cabinet body, thereby preventing dusts from entering the main cabinet body; meanwhile, through the arrangement of the front sealing door and the rear sealing door, electric appliance elements can be conveniently installed in the cabinet body, and workers can conveniently operate the electric appliance elements; and through the arrangement of the semiconductor chilling plate and the digital display windows,the constant temperature effect in the cabinet body is achieved.

The invention belongs to the technical field of electronic information, and discloses a radio foggy weather monitoring method and system, computer equipment and a medium. According to the radio heavy fog weather monitoring method, a radio + deep learning method is applied, and a deep artificial neural network technology with supervision-learning capability is adopted to extract the characteristics of low-frequency-band radio signals passing through fog zone environments with different concentrations, so that the defects of weak generalization capability and the like of the traditional technology are overcome, and the monitoring accuracy is improved. A deep learning special model for low-frequency-band fog spectrum feature recognition is innovatively designed, spectrum features of fog with different concentrations can be recognized in a low frequency band, and then heavy fog weather is monitored. According to the invention, additional equipment does not need to be installed, and the foggy weather can be monitored by directly using common broadcast signals or base station signals and the like. The method has the advantages of high time resolution, low cost, no need of maintenance and the like. And continuous real-time monitoring can be realized, and the defect of insufficient spatial resolution of a traditional monitoring method can be overcome.