185results about How to "Real-time monitoring of concentration" patented technology

The invention discloses a real-time monitoring sensor for durability of concrete structures. The real-time monitoring sensor comprises a sensor shell, and further comprises a reference electrode, a rebar electrode, an auxiliary electrode, a chlorion probe, a pH probe and a concrete resistivity probe. The auxiliary electrode is laid on the upper surface of the shell, at least parts of the reference electrode, the rebar electrode, the chlorion probe, the pH probe and the concrete resistivity monitoring probe are exposed out of the upper surface of the sensor shell to serve as detecting ends, and the other ends are connected with copper cables which penetrate through the sensor shell from top to bottom and stretch out of the shell. According to the real-time monitoring sensor, not only corrosion rate, chlorion concentration and pH of rebar, but also concrete resistivity can be monitored in real time; further, system resistance can be compensated during the monitoring of rebar corrosion current density, and corrosion rate of rebar can be monitored more accurately by the monitoring of concrete resistance.

The invention relates to an adsorbing material performance testing device and a using method of the adsorbing material performance testing device. The adsorbing material performance testing device comprises a main body testing system, a thermodynamic desorption system, an automatic control system, an air compressor, an air filtering dehumidifier, a testing gas generation source, an air drying part, a gas mixer, an electromagnetic flowmeter, a temperature and humidity sensor, a pressure sensor, a temperature and humidity controller, a solenoid valve, an upstream gas sampling hole, an adsorption tank, a sealing ring, an adsorbent barrel, an adsorbent barrel coupling, an annular sampling ring, a segmental gas sampling hole, a gas concentration detector, an elastic pipe section, a downstream gas sampling hole, a vacuum pump, an air cylinder swinging arm, an oscillating cylinder, an electronic balance, a reciprocating cylinder, a circuit and a main machine; the adsorbent performance testing system has regulation performance under certain pressure at certain temperature in a certain humidity range due to cooperation of the above components, the adsorbing material performance testing device can be applied to the competition and interference action mechanism when researching adsorption of all components of mixed gas. The adsorbing material performance testing device has the characteristics of advanced and reasonable structure, automation control and complete function, and can be operated simply and rapidly and the like.

The invention belongs to the field of ship tail gas treatment, energy conservation and environment protection, and particularly relates to a ship tail gas denitration technology and system and a desulfurization and denitration integrated technology and system. When low sulfur oil is used for a ship, the ship tail gas denitration technology and system can achieve high denitration efficiency and reduce energy consumption; when high sulfur content is used for the ship, desulfurization and denitration are combined together, high desulfurization and denitration efficiency is achieved, meanwhile, the cost is greatly saved, and the tail gas exhaust standards are met. The ship tail gas denitration technology comprises the steps of 1, tail gas cooling, 2, NOX adsorption, 3, desorption of NOX adsorbed on an adsorbent, 4, low-temperature plasma decomposition and 5, absorption and reduction. The ship tail desulfurization and denitration integrated technology comprises the steps of 1, tail gas cooling, 2, washing performed through washing water, 3, soda absorption, 4, NOX adsorption, 5, desorption of adsorption water adsorbed on an adsorbent, 6, desorption of NOX adsorbed on an adsorbent, 7, low-temperature plasma decomposition and 8, absorption and reduction.

The invention provides a self-powered gas sensor based on an asymmetricelectrostatic shielding effect and belongs to the technical field of sensors. The self-powered gas sensor comprises a friction bowlwhich is of a fan-shaped multi-blade structure and arranged in a test chamber and a metal disc with a double-electrode structure, wherein the friction bowl is close to a gas inlet and rotates under the gas flow action to form a contact-separation cycle with electrodes on the metal disc, to-be-tested gas produces the asymmetricelectrostatic shielding effect on the two electrodes on the basis of gas-sensing film adsorption, and concentration of the to-be-tested gas is measured according to output voltage of a device. Compared with an existing gas sensor, an external power supply system is not needed, the concentration of the to-be-tested gas is monitored automatically in real time, output performance is stable, and measurement errors caused by unstable output of the device are reduced; besides, the gas sensor is novel in structure and low in cost, the preparation technology is simple, commercialization is facilitated, and a new development direction is provided for study of the self-powered gas sensor.

The invention discloses a tobacco conservation method suitable for disinsection, mold prevention and alcoholization of stored goods such as tobacco leaves, tobacco shreds and tobacco stems. The purposes of preventing insects and avoiding cross infection are achieved through heat sealing; the tobacco temperature and humidity are monitored through a wireless temperature and humidity monitoring probe arranged in a tobacco pile and a tobacco bale core; temperature and humidity monitoring data is wirelessly transmitted to a PC (personal computer) data collection terminal, and a temperature and humidity integrated machine is controlled to be started and stopped through an automatic integrated circuit control technology if tobacco temperature and humidity monitoring situations deviate from interval temperature and humidity conditions set by a PC according to the interval temperature and humidity conditions set by the PC, so that the tobacco leaves are conserved under the set temperature and humidity conditions that the humidity is 50-65RH and the temperature is 22-27 DEG C; moreover, the method can be used for effectively reducing the usage frequency of aluminum phosphate and ensuring an insecticidal effect.

The invention relates to a remote monitoring linkage gas alarm system comprising a gas monitoring terminal, a server and an intelligent terminal. When the gas monitoring terminal detects gas leakage, a gas pipeline is closed, and alarm information is pushed to the intelligent terminal through the server and node information of gas leakage and the alarm information are pushed to the gas monitoring terminal or the intelligent terminal of other users within the preset range. The remote monitoring linkage gas alarm system is mainly applied to home kitchens and dining place kitchens to realize a real-time and hierarchical alarm function and the functions of starting an exhaust fan, a drawing fan, a smoke ventilator and other ventilation equipment and turning off high-power electricity utilization equipment through intelligent linkage. An APP remotely monitors concentration of carbon monoxide and alkane gases in the air in real time and monitors the use situation and state of gas; the APP performs remote alarm and braking; the residential property company/fire department performs safety monitoring and alarm in real time; connection with a mobile phone and a tablet is performed to realize music and FM frequency modulation broadcast and other sound playing; and remote voice transmission is performed.

The invention discloses a hydrate multifunctional simulation experiment system under the microbial action. The hydrate multifunctional simulation experiment system is composed of four subsystems, namely a gas, liquid and microorganism injection system, a simulation system, a test and control system and an auxiliary system. The gas, liquid and microorganism injection system is composed of a mute air compressor, a gas booster pump, a gas storage container, a natural gas source, a first flow meter, a seawater container with a piston, a gas and liquid mixing container with a piston, a microorganism container with a piston, a pressure gauge, a constant-flux pump, a pressure regulating valve K1, a pressure regulating valve K2, a control valve F1, a control valve F2, a control valve F3, a control valve F4, a control valve F5, a control valve F6, a control valve F7, a control valve F8, a control valve F9, a control valve F10, a control valve F11, a control valve F12, a control valve F13, a control valve F14 and a control valve F15. The control valve F21 is sequentially connected with connection pipelines. The hydrate multifunctional simulation experiment system has the advantages of being convenient to use, high in precision and suitable for popularization and application.

The invention discloses a sponge city performance monitoring system and method. The monitoring system comprises a flow monitoring meter, a water quality monitoring meter, a rainfall monitoring meter, a data acquisition unit, a central processing unit, a storage unit and a display unit, wherein the flow monitoring meter, the water quality monitoring meter and the rainfall monitoring meter are used for monitoring instantaneous flow, instantaneous pollutant concentration and instantaneous rainfall; the data acquisition unit is used for collecting monitoring data; the storage unit is used for storing the monitoring data; the central processing unit is used for controlling monitoring time of the flow monitoring meter, the water quality monitoring meter and the rainfall monitoring meter, and calculating total runoff control rate and rainfall runoff pollutant load according to the monitoring data; and the display unit is used for displaying the total runoff control rate and rainfall runoff pollutant load data. The invention also provides a sponge city performance monitoring method, which is characterized by monitoring instantaneous flow, instantaneous pollutant concentration and instantaneous rainfall of all draining points of a land plot simultaneously; and calculating actual control rainfall and the rainfall runoff pollutant load in a monitoring period.

The invention discloses an air management intelligent fresh air system which comprises a fresh air host, an air management device, a first air pipe, integrated sensor nodes and a central master controller. The fresh air host is connected with the air management device through the first air pipe. The central master controller is in wireless connection with the integrated sensor nodes arranged in rooms. According to the air management intelligent fresh air system, the air management device is introduced, a filter screen integration module is additionally arranged, and therefore the problem that the area of a filter screen in a current fresh air ventilator is too small can be solved, the filter efficiency can be effectively improved, and the service life of a filter screen can be effectively prolonged; and the original manner of manually adjusting the size of an air outlet is converted into automatic adjustment, the air volume of each room is precisely controlled, and the dynamic adjusting manner of distributing fresh air according to needs is achieved. The system adopts the wireless communication technology, the integrated sensor technology, the internet technology, the mechanical automation technology and other high technologies, real-time monitoring, dynamic adjusting and intelligent control of the indoor air environment can be achieved, the actual needs of the family life environment can be met, and practical significance is achieved.

The invention discloses a mine safety system and a control method. The mine safety system comprises a dedusting device for monitoring the dust concentration of the preset position under a mine in real time and conducting dedusting when the dust concentration of the preset position is larger than the preset concentration, a positioning device for monitoring the position of working staff under the mine in real time, an early-alarm device for detecting the temperature and gas concentration of the preset position under the mine in real time and supplying wind when the temperature or gas concentration of the preset position is larger than the preset value and a communication device for being connected with the dedusting device, the positioning device and the early-alarm device and informing working staff when the temperature or the gas concentration of the preset position under the mine is larger than the preset value. According to the mine safety system and the control method, the condensation, the temperature and the gas condensation of the dust under the mine can be monitored and treated in real time by monitoring the downhole condition, and the working staff can be informed timely to escape when the temperature or the gas concentration is larger than the preset value, and the safety of the mine work of the working staff is guaranteed.

The invention provides an intelligent automatic control system for a film lamination machine. The intelligent automatic control system comprises an image collector, a central controller, an electric heater, a rubber roll pressure adjuster, a rubber roll driving machine, a gas monitor, a gas recycling device and a purifier, wherein the central controller is used for carrying out feature extractionon an image of a film-laminated sample, analyzing feature data, generating a film lamination machine execution strategy and controlling the operations of the electric heater, the rubber roll pressureadjuster and the rubber roll driving machine by virtue of the film lamination machine execution strategy, and the film lamination machine execution strategy comprises setting parameters of a heating temperature, a rubber roll pressure and a rubber roll rotation speed. According to the intelligent automatic control system, the accurate debugging of working parameters of the film lamination machinecan be realized, so that the film lamination quality is improved; and meanwhile, the gas monitor and the gas recycling device are arranged at a part capable of producing harmful gas of the film lamination machine, the harmful gas can be monitored in real time and controlled and recycled; and by filtering and adsorbing the harmful gas by virtue of the arranged purifier, the environmental pollutionis reduced.

The invention relates to an intelligent printer work area air quality monitoring system based on machine learning. The monitoring system comprises gas monitors, a central controller, gas recycling devices, a purifier and a displayer, wherein the gas monitors and the gas recycling devices are distributed on harmful gas generating parts on a printer; the gas monitors are used for monitoring ingredients of harmful gas and concentration of all ingredients and generating ingredient data and concentration data; the gas recycling devices are used for collecting the harmful gas and conveying the harmful gas to the purifier; the purifier is used for purifying the harmful gas and exhausting the purified gas outwards; the central controller is used for receiving the ingredient data and the concentration data output by all the gas monitors; the data are analyzed to control all the gas recycling devices to be started, and data analyzing results are output to the displayer to be displayed. The system can ensure harmful gas generated by all the areas of the printer to be absorbed and purified to the maximum extent, further reduces energy consumption and reduces operation cost.

The invention provides an outburst coal seam 'five-fixation' gas treatment method based on a directional drilling machine. The outburst coal seam 'five-fixation' gas treatment method based on the directional drilling machine comprises the following steps of (1) evaluating the feasibility of each extraction geological unit adopting the'five-fixation' gas treatment method; (2) directionally drillingeach extraction geological unit; (3) carrying out positioning disturbance in permeability improvement holes, and improving the permeability of a coal bed; (4) sealing the permeability improvement holes and extraction holes; and (5) sampling fixed points in a sealing way for determining gas parameters, quickly extracting gases conveniently, monitoring the gas concentration and the flow on an extraction pipeline in real time through a gas extraction online monitoring system, and furthermore, carrying out real-time statistic and display on the gas extraction amount and the gas amount to be extracted on a displayer through a cloud chart form through system calculation, so that the extraction time of drilling can be accurately controlled, the gas extraction amount and the participated gas content of each drill hole or hole group are displayed with a cloud chart in different colors, and an extraction effect is intuitively reflected.

The invention discloses a device and a method for evaluating sand production and sand control in a wellbore during hydrate mining by a CO2/N2 replacement method. The device for evaluating sand production and sand control includes a high pressure reactor, a gas-liquid injection system, a temperature control system, a gas-liquid-solid separation system, a pressure control system and a data collection system, a rigid tube penetrating through a bottom cover of the high pressure reactor is installed in the middle of the high pressure reactor, the gas-liquid injection system is connected into the high-pressure reactor through a gas-liquid injection port, the pressure control system is used for controlling the axial pressure, the pore pressure and the back pressure in the high pressure reactor, the gas-liquid-solid separation system is used for collecting gas, liquid and solid generated during an experiment, and the data collection system is used for collecting all physical state information.The device is simple in structure, easy and convenient to operate and good in reliability, the sand production condition in the wellbore during hydrate mining by the CO2/N2 replacement method under different geological conditions can be simulated, then a sand production rule in the wellbore during hydrate mining by the CO2/N2 replacement method and the sand control effect after installing different sand control sieves are evaluated, and the technical support is provided for natural gas hydrate exploration and development.

The invention discloses a real-time individual working dust concentration exposure space rule monitoring and early warning system and method. The system comprises a dust concentration sensor network, a cloud server and protective clothing positioning wearable equipment. The method comprises the steps of: a dust concentration sensor at each position is calibrated by adopting a multivariate linear method; then the cloud server combines dust concentration values detected by the dust concentration sensors with respective position information, obtains a dust concentration spatial distribution rule of a workplace after comprehensive analysis, and delimits an area exceeding the threshold value in the space of the workplace as an overrun area according to a set dust concentration threshold value; and finally, the protective clothing positioning wearable equipment sends a position of a worker in the place to the cloud server in real time, the cloud server compares each piece of real-time position information with the real-time over-limit area, and if the worker is in the real-time over-limit area, the cloud server sends an alarm signal to the protective clothing positioning wearable equipment, so that an audible and visual alarm gives an alarm to remind the worker that the dust concentration exceeds the limit.

The invention discloses a system and method for concentration detection and training based on functional near infrared spectrum technologies. The system comprises a wearable fNIR sensing device and an intelligent terminal; a fNIR control module in the wearable fNIR sensing device controls switching-on, switching-off and spectral wavelength of a signal emission source in a fNIR signal emission module, switching-on and switching-off of a sensor in a fNIR signal collection module as well as opening and closing of signal channels, and near infrared spectrum signals on each signal channel under different spectrum lengths are collected cyclically and transmitted to the intelligent terminal; and the terminal equipment uses a built-in concentration analysis module to transform the near infrared spectrum signals into hemoglobin content information in real time and then quantify the information into a concentration index.

The invention discloses a flue gas denitrification treatment system based on ozone low-temperature oxidation. The flue gas denitrification treatment system comprises an ozone preparation unit and a denitrification treatment unit, wherein the ozone preparation unit comprises an ozone machine set which is connected with an external gas source and a cooling unit which is connected with the coolant inlet of the ozone machine set; the denitrification treatment unit comprises a mixing reactor and a scrubbing tower; the inlet of the mixing reactor is connected with the ozone outlet and a flue gas inlet of the ozone machine set; the outlet of the mixing reactor is connected with the scrubbing tower. The invention further discloses a treatment method of the flue gas denitrification treatment system. The treatment method comprises the following steps: 1) performing a mixing oxidation reaction on a flue gas and ozone prepared by the ozone preparation unit in the mixing reactor; 2) feeding the flue gas oxidized with ozone into the scrubbing tower for spraying scrubbing, discharging out a clean flue gas after scrubbing, and discharging and recycling a waste liquid. The treatment system and the treatment method, disclosed by the invention, are stable and reliable to operate, high in treatment efficiency and low in energy consumption.

The invention belongs to the technical field of shield machine lubrication condition monitoring, and proposes a shield TBM oil liquid state on-line automatic monitoring system. The proposed shield TBM oil liquid state on-line automatic monitoring system includes a planetary gear oil tank (1), a main bearing gear main oil tank (2) and an on-line monitoring acquisition control part (9); the on-line monitoring acquisition control part (9) has a plurality of solenoid valves (7); the plurality of solenoid valves (7) and a plurality of planetary gear oil tanks in a shield machine gear oil lubrication system are in one-to-one correspondence; the plurality of solenoid valves are cyclically opened in an on-line monitoring period, and only one is in a normally open state; the on-line automatic monitoring system is also provided with an oil liquid monitoring loop (5); the other ends of the plurality of solenoid valves (7) communicate with the oil liquid monitoring loop (5); and the oil liquid monitoring loop (5) is connected with the on-line monitoring acquisition control part (9). The shield TBM oil liquid state on-line automatic monitoring system provided by the invention ensures reliable lubrication of equipment and safe operation of a shield machine.

The invention provides a household safe and intelligent fuel gas stove. The household safe and intelligent fuel gas stove comprises an intelligent control circuit, a temperature detecting device, a combustible gas detecting device, a safe protection device, a display screen and a fuel gas valve; the temperature detecting device, the combustible gas detecting device, the safe protection device, the display screen and the fuel gas valve are connected with the intelligent control circuit; and the temperature detecting device is arranged above a fuel gas stove support, the combustible gas detecting device is installed on the fuel gas stove, and the safe protection device is arranged below the fuel gas stove. According to the household safe and intelligent fuel gas stove, an intelligent control system is embedded, the safe protection device is loaded, and functions such as the Internet of Things and the cloud technology are used in a combined manner, so that the intelligent level and the safety of the household fuel gas stove are effectively improved; and the household safe and intelligent fuel gas stove has the beneficial effects of being simple in operation, comprehensive in function, high in safety, capable of achieving full-time protection and the like.

The invention discloses a gridding automatic monitoring system integrating augmented reality and geographic information. The gridding automatic monitoring system comprises rear-end intelligent software and front-end sensing equipment (an intelligent lamp post and the like). The rear-end intelligent software mainly refers to a gridding automatic monitoring system integrating geographic informationand augmented reality. The front-end sensing equipment (intelligent lamp poles) is installed in different areas of a park and used for video security, miniature meteorological stations, information publishing, broadcasting and the like, the front-end sensing equipment (intelligent lamp poles) sends all data information to the management server, and the management server provides a function of remotely calling data for a user side. The gridding automatic monitoring system integrating geographic information and augmented reality has the functions of multi-parameter fusion early warning, in-parkvehicle monitoring and on-site video transmission. The system can be used remotely through a public wide area network and can also be used through a local area network, and a powerful guarantee is provided for lack of a public network environment in an emergency occasion. The gridding automatic monitoring system integrating geographic information and augmented reality can be applied to industrialparks of petroleum, chemical engineering and the like; according to the functions of automatic patrol, electronic boundary, forbidden zone alarm, unattended operation and the like, potential safety hazards can be rapidly recognized and automatic early warning can be achieved under the unattended operation condition, and powerful information support is provided for safety management and emergency rescue.

The invention relates to an urban comprehensive pipe gallery open type multi-component gas on-line monitoring early warning device, which comprises a host machine unit, a laser emitting unit and an omni-directional reflector unit, wherein the host machine unit is used for outputting a coupled laser beam, receiving multiple paths of signals which are output by the laser emitting unit and are subjected to photovoltaic conversion, performing subsequent processing on the electric signals and finally obtaining the concentration of various kinds of target monitoring gas; the laser emitting unit receives the coupled laser beam output by the host machine unit and sends the multiple paths of electric signals subjected to photovoltaic conversion to the host machine unit; a formed collimated beam is transmitted to the omni-directional reflector unit; the reflecting light of the omni-directional reflector unit is received; the omni-directional reflector unit receives the collimated beam formed by the laser emitting unit and reflects the collimated beam. The multi-component gas on-line monitoring early warning device has the advantages that a laser absorption spectrum technology is used; the gas concentration condition on the whole route can be monitored in real time; the defects of point type monitoring are avoided; the absorption spectrum line of monitoring target gas is locked in real time; the drifting generated after long-period operation is avoided; the accuracy and the precision of gas monitoring are ensured.

The invention discloses an electrolyte solution charging device which is used for producing copper foils. The electrolyte solution charging device comprises an electrolyte solution stirring barrel, abuffer storage barrel, an electrolysis slot and a controller, wherein a first pump is used for extracting an electrolyte solution in the electrolyte solution stirring barrel through a pipeline, and feeding the electrolyte solution into the buffer storage barrel through a solution transfer pipeline; the electrolyte solution in the buffer storage barrel is fed into the electrolysis slot through a flow pump; an electrolyte solution sensor is arranged in the electrolysis slot; and the electrolyte solution sensor is mainly used for measuring concentration of copper sulfate in the electrolysis slotin real time. The invention aims to provide the electrolyte solution charging device which can solve the problem about how to automatically charge the electrolyte solution.

The invention discloses an Internet-of-Things-technology-based transformer substation cable trench environment state monitoring system and monitoring method. The system comprises an intelligent cabletrench data acquisition system, a communication network system, an alarm system, a concentrator and a background monitoring system. Environmental data, detected by the intelligent cable trench data acquisition system, in a cable trench are transmitted to the concentrator through the communication network system; the concentrator controls the alarm system to send out an alarm signal; the concentrator communicates with the background monitoring system to realize remote transmission of data and receiving of a remote control instruction. Since operation environment data such as the temperature, humidity, water level, harmful gas concentration and the like in the cable trench are monitored in real time, once any abnormal phenomenon is monitored, an alarm signal is generated and the alarm information is pushed to all the monitoring and maintenance staff members actively in real time, so that early warning is performed in advance once any abnormity occurs and thus the accident can be eliminated from an unburned situation.

The invention discloses an ultraviolet disinfection device, relating to the technical field of ultraviolet disinfection apparatus. The ultraviolet disinfection device comprises a shell, a quartz tube,an ultraviolet disinfection lamp, a cleaning device, a controller and a biosensor, wherein a base is arranged at the bottom of the shell, a water inlet and a water outlet are arranged at the top of the shell, the cleaning device comprises a driving mechanism, a moving mechanism and a cleaning mechanism, the cleaning mechanism is connected to the moving mechanism and provides power to the moving mechanism, the moving mechanism is connected to the cleaning mechanism, the cleaning mechanism is used for cleaning the outer surface of the quartz tube, the biosensor is arranged in the shell, and thedriving mechanism and the biosensor are electrically connected to the controller. With the design of the cleaning device, the outer surface of the quartz tube can be automatically cleaned, thereby avoiding the phenomenon that the ultraviolet light permeating and sterilizing effect is affected by scaling on the outer surface of the quartz tube.