81 results about "Ion sensor" patented technology

The invention discloses a large-scale pig breeding wastewater purification treatment system, and relates to the technical field of wastewater treatment.The large-scale pig breeding wastewater purification treatment system is characterized in that the ion concentration of anaerobic liquid is monitored through a multi-ion sensing array, and a multi-channel feeding system is controlled to synthesize customized struvite compound fertilizer; the AI prediction control unit predicts the optimal medicament dosage and realizes millisecond-level closed-loop regulation; the multi-dimensional synergistic biochemical treatment module comprises an A / O biochemical treatment unit and an electric field enhanced anaerobic ammonia oxidation reactor, the electric field enhanced anaerobic ammonia oxidation reactor applies a direct-current electric field through an electrode pair, and engineering conductive biochar is used as a carrier to accelerate microbial metabolism; the sludge low-temperature pyrolysis self-consistent circulation module is used for pyrolyzing and converting residual sludge into biochar, biofuel and wood vinegar, and the biochar activation treatment unit is used for preparing engineering conductive biochar and forming a substance closed loop through a self-consistent circulation conveying system; and the digital twinning intelligent management and control platform realizes intelligent management and control of the system.

The invention relates to the technical field of smoke sensors, in particular to a smoke sensor detection device and a detection method thereof.The smoke sensor detection device comprises a mounting base, a mounting frame is fixedly connected to the top of the mounting base, a first mounting plate and a control module are fixedly connected into the mounting base, and an audible and visual alarm is fixedly connected to the exterior of the mounting base; a temperature sensor, a humidity sensor, an air pressure sensor, an airflow velocity sensor, a laser diode, a photodiode and a dual-electrode ion sensor are fixedly connected outside the first mounting plate; the temperature sensor, the humidity sensor, the air pressure sensor, the airflow velocity sensor, the laser diode, the photodiode and the dual-electrode ion sensor are electrically coupled with the control module; according to the system, temperature, humidity, pressure and airflow parameters are collected through multiple types of high-precision sensors, and then the false alarm probability can be reduced through control analysis of the control module.

The invention discloses an ion sensor state prediction and correction method and system based on mechanism modeling, and relates to the technical field of sensor state monitoring and predictive maintenance, and the correction method comprises the steps: obtaining the original information of an ion sensor in a historical time period; then signal preprocessing is carried out, parameter estimation is carried out based on an extended Nernst model and a state estimation algorithm, and parameter evaluation indexes are obtained; calculating the health index and the remaining service life of the ion sensor; making a correction strategy; according to the method and the system provided by the invention, intelligent health management, accurate life prediction and dynamic performance correction of the ion sensor are realized on the basis of the extended Nernst model and state estimation by utilizing a machine learning algorithm, digital signal processing and adaptive control, and important technical support is provided for wide application of the ion sensor.

This invention belongs to the field of earthquake monitoring technology, specifically relating to an online chloride ion monitoring device for earthquake precursor observation. It includes a base frame and a control cabinet and drive mechanism mounted on the base frame, as well as a chloride ion sensor and a central controller. The central controller is installed inside the control cabinet and is communicatively connected to the drive mechanism and the chloride ion sensor. The drive mechanism drives the chloride ion sensor to move up and down. When the chloride ion sensor descends into groundwater, it monitors the chloride ion concentration in the groundwater. This invention uses a drive mechanism to periodically drive the chloride ion sensor down into the groundwater, achieving timed measurement of chloride ions in the groundwater. This avoids the chloride ion sensor being immersed in excessively hot groundwater for extended periods, further extending its service life. It also achieves online non-destructive sampling, unaffected by manual or pipeline sampling, thus achieving real-time monitoring.

The utility model belongs to the field of negative ion detection technology discloses air negative ion automatic observation appearance, including the casing, the inside fixed mounting of casing has negative ion sensor and controller, negative ion sensor sets up two, can alternately use two negative ion sensors all with controller electricity is connected, the side fixed embedding of controller has display screen, display screen and controller electricity is connected, the utility model sets up two alternately usable negative ion sensors, through controller time -sharing switch working condition. When one sensor detects, another can start fan reversal and carry out self -cleaning, avoid single sensor failure and lead to equipment shutdown, satisfy long -term continuous monitoring demand, reduce maintenance influence to monitoring continuity, the reverse convex sealing ring between lower porcelain cover and lower insulating cover is under the spring pressure effect, closely fits lower porcelain cover inner wall and lower insulating cover bottom, effectively prevents air leakage, guarantees the detection airflow stability.

A living-physics measurement and control system integrates a sensor array, analog front-end, controller module, and feedback actuator network to enable real-time quantification and modulation of energetic organization in open systems. The sensor array comprises thermal, mechanical / vibration, electrical / ionic, and optical sensors, providing multimodal data to the firmware and signal-processing unit. The controller module executes a coherence and entropy feedback control method, which includes system calibration, acquisition of synchronized sensor data, computation of order metrics such as coherence, entropy production, and information flux, and evaluation of energetic organization state. The feedback actuator network, including thermal actuators, mechanical actuators, ionic pumps, and optical emitters, receives actuator command set to dynamically adjust energy flow. The system generates quantitative metrics linking coherence, entropy, and information flow, enabling adaptive feedback to preserve or optimize functional order. The invention addresses the lack of integrated instrumentation and feedback for self-organizing, regenerative stability in open systems.

This invention provides a multi-channel structure for a rapid, highly selective water-voltaic ion sensor, its fabrication method, and its applications. The sensor comprises a multi-channel sandwich-structured fiber membrane, a gradient polarization interface, and an electrode assembly. The multi-channel sandwich-structured fiber membrane includes a first macroporous layer, an intermediate microporous layer, and a second macroporous layer stacked sequentially, dividing the membrane into multiple independent sensing channels on a plane. The gradient polarization interface exhibits different degrees of interface polarization in different sensing channels. The electrode assembly connects to both ends of each sensing channel. The rapid, highly selective water-voltaic ion sensor provided by this invention utilizes a sandwich structure to form ion transport channels with rapid transport at both ends and precise sieving in the middle. This allows for the synergistic enhancement of both rapid ion transport and high-sensitivity response. Furthermore, by constructing differentiated sensing channels with "identical structures but different interfaces," the sensor synergistically amplifies and identifies differences in the intrinsic properties of ions, significantly improving ion selectivity.

This invention discloses a lead-ion sensor and method based on a liquid crystal whispering-gallery mode resonator. The sensor includes a functionalized liquid crystal glass microbubble and a tunable scanning laser, a single-mode fiber, a tapered fiber, and a power meter sequentially connected via a single-mode fiber. The tapered fiber is disposed on one side of the functionalized liquid crystal glass microbubble, which contains interface modifications for capturing single-stranded DNA. The resonant light field signal enters the power meter, which obtains a spectrum. The spectral signal in the liquid crystal whispering-gallery mode spectrum initially exhibits a red shift, followed by a blue shift. The spectral shift is the sum of the red and blue shift values. Lead ion detection is achieved by measuring the spectral shift in the liquid crystal whispering-gallery mode. 2+ High-resolution sensing. Compared with existing technologies, this invention overcomes the defect of small spectral drift in WGM, thereby triggering stronger spectral changes to achieve a lower detection limit, and is integrable.

The embodiment of the invention relates to a method for measuring the chloride ion concentration in water-based drilling fluid, which comprises the following steps: acquiring the voltage of a chloride ion sensor in various standard liquids with known concentrations at a preset constant temperature, and establishing a calibration corresponding relation between the voltage and the chloride ion concentration; diluting a to-be-detected water-based drilling fluid sample into a to-be-detected mixed solution according to a fixed proportion; and maintaining the to-be-measured mixed solution at the constant temperature, measuring the voltage of the to-be-measured mixed solution by using a chloride ion sensor, determining the concentration value of the to-be-measured mixed solution based on the calibration corresponding relation, and calculating the actual chloride ion concentration value of the water-based drilling fluid by combining the fixed proportion. According to the embodiment, a traditional chemical titration agent is abandoned, the potential safety hazard that an operator makes contact with toxic strong acid and carcinogenic potassium chromate is eliminated, the water-based drilling fluid to be detected is adjusted to the optimal linear range of a chloride ion sensor through quantitative dilution, and the detection efficiency and timeliness are greatly improved.

An ion sensor includes a substrate and a plurality of detection portions. Each detection portion includes an ID portion, an ICG electrode, a TG electrode, an SG electrode, an electrode pad, and an ion-sensitive membrane. The SG electrode is disposed between the ICG electrode and the TG electrode on a main surface of the substrate. The electrode pad is electrically connected to the SG electrode and is disposed on an opposite side of the substrate from the SG electrode. The ion-sensitive membrane is disposed on a surface of the electrode pad and changes in potential in response to changes in ion concentration of an aqueous solution in contact with the ion-sensitive membrane. The width of the ion-sensitive membrane in a direction opposite the ICG electrode and the TG electrode is greater than the separation width of the ICG electrode and the TG electrode.

The utility model provides a digital VOC (Volatile Organic Compound) gas sensor which comprises a bottom shell, a PID (Proportion Integration Differentiation) photoion sensor and a control circuit board, the upper end of the bottom shell is of an open structure, and the lower end of the bottom shell is provided with a flat cable port communicated with the interior. The control circuit board is fixed in the bottom shell and is electrically connected with an external flat cable through the flat cable port; a pin of the PID photoion sensor is inserted into the bottom shell through the upper end of the bottom shell and is detachably and electrically connected with the control circuit board, and a detection end of the PID photoion sensor is exposed out of the upper end of the bottom shell; according to the VOC gas sensor, the use of the VOC gas sensor is not affected, meanwhile, a worker can conveniently disassemble and assemble the PID photoion sensor in a plugging and unplugging mode, whether an external flat cable goes wrong or not can be checked through the flat cable port, the structure is simple, and the worker can conveniently maintain and calibrate the VOC gas sensor.

The invention relates to the field of water quality monitoring, in particular to an intelligent underwater robot water quality monitoring system suitable for a complex watershed, which comprises a sensing and positioning module, a navigation and obstacle avoidance module, a water quality monitoring module, a transmission state information and monitoring data and a central control module. Various water quality monitoring sensors such as a pH sensor, a dissolved oxygen sensor and a heavy metal ion sensor are arranged, advanced navigation and obstacle avoidance technologies such as sonar navigation and visual identification obstacle avoidance are utilized, the robot can autonomously plan paths in a complex underwater environment and reach a specified monitoring point position, the robot collects water samples in real time and analyzes water quality parameters, and the water quality monitoring precision is improved. Data are transmitted to a shore base station through a wireless communication module, and meanwhile, the shore base station can remotely control the robot to move according to the real-time condition of a drainage basin, and a monitoring strategy is adjusted.

The invention discloses a piezoelectric interface modified piezoelectric ion sensor and a preparation method and application thereof, and belongs to the field of flexible piezoelectric ion sensors, multiwalled carbon nanotubes are dispersed in NMP to form a suspension, and vacuum filtration and drying are performed to obtain a multiwalled carbon nanotube film; the BPNA powder is dissolved in a DMF / ethanol solution, and BPNA crystals are obtained through a liquid-liquid diffusion method; dissolving PEO in deionized water to obtain a PEO solution; adding the BPNA crystal into the PEO solution to obtain a PEO / BPNA dispersion liquid; adding ionic liquid into the PEO solution to obtain PEO / IL dispersion liquid; pouring the PEO / BPNA dispersion liquid on a glass plate to obtain a PEO / BPNA layer; a PEO / IL dispersion liquid is poured on the PEO / IL layer to form a PEO / IL middle layer; and pouring a PEO / BPNA layer on the multi-walled carbon nanotube electrode film layer to obtain an electrolyte, and laminating two multi-walled carbon nanotube electrode film layers on two sides of the electrolyte to obtain the assembled sensor.

A thermal runaway detection system for a battery cell includes a battery cell enclosure including a lid portion and a bottom portion. A battery electrode stack is arranged in the battery cell enclosure and includes anode electrodes, cathode electrodes, and separators. An ion sensor arranged in the battery cell enclosure and including a first electrode and a second electrode configured to detect ions in gas passing there between.

The utility model discloses a combined type ion sensor which comprises a main body, an anti-bending sheath is installed at the upper position in the main body, a cable is arranged at the inner position of the anti-bending sheath, a reference electrode hole and a temperature hole are formed in the upper end position of an electrode support, and the temperature hole is communicated with the reference electrode hole. A reference electrode A is mounted in the reference electrode hole in an inserted manner, and an ion electrode A is mounted on the inner side of the electrode bracket. The device adopts a new structural design, the ion electrode, the reference electrode and the temperature sensor are integrated in one structure, so that the size of the sensor is effectively reduced; the core of the ion electrode is an ion selective membrane which can be directly screwed on a butt joint thread of the ion electrode through a thread, the reference electrode adopts a glass structure with the diameter of six millimeters and is directly fixed in a reference electrode hole through soft silica gel, and the temperature sensor adopts a metal structure with the diameter of three millimeters and is fixed in a temperature hole through soft silica gel.

The utility model discloses a multi-stage calcium impurity filtering device for industrial silicon smelting, relates to the technical field of silicon smelting and purification, and provides an integration scheme comprising a pressure vessel tank body, a gradient filtering layer, an air-water backflushing system and an intelligent control module aiming at the problems that the existing single-stage filtering calcium retention rate is low, a medium is easy to harden and equipment is seriously corroded. A water inlet pipe and a water outlet pipe are symmetrically arranged on the side wall of the tank body, an anthracite layer, a quartz sand layer, an aluminum oxide layer and a magnetite layer are arranged in the tank body from top to bottom and are separated by honeycomb-shaped stainless steel supporting partition plates with water through holes, and a sintered metal supporting plate is arranged at the bottom; a backwashing water outlet pipe is arranged at the top of the tank, a compressed air pipe is connected to the side wall, and a control system comprising a PLC, a calcium ion sensor and a pressure difference transmitter is arranged outside the tank. During working, liquid is intercepted, adsorbed and magnetically captured step by step through four-stage media, and the removal rate of calcium impurities is larger than or equal to 98.5%; in the backwashing stage, blockages are removed through 0.4 MPa gas-water mixed pulse, the backwashing period is prolonged to 12-15 hours, and the energy consumption is reduced by 40%.

The invention relates to optochemical ion sensors having an antifouling coating containing zinc ethylenebis(dithiocarbamate) as a biocidal active substance in a matrix of a water-insoluble, water-swellable hydrogel which is ion-permeable in the swollen state, and to a method for the production thereof.

A system for detecting thermal runaway in a battery cell comprises a battery cell housing with a lid section and a bottom section. A battery electrode stack is arranged within the battery cell housing and includes anode electrodes, cathode electrodes, and separators. An ion sensor, also located within the battery cell housing, comprises a first electrode and a second electrode configured to detect ions in a gas flowing between them.

The application provides a high-sensitivity ion sensor based on a Schottky heterojunction and a preparation method, and mainly solves the problems of a complex structure, many layers, poor inspection sensitivity and a difficult preparation process of an existing sensor. The scheme of the application includes a platinum / silicon Schottky heterojunction, a functionalized sensitive layer and a double-terminal working electrode. A platinum film is deposited on a silicon substrate by magnetron sputtering to form the platinum / silicon Schottky heterojunction; the functionalized sensitive layer contains an ion probe which can selectively bind heavy metal ions; and the current signal of the sensor chip is read by the working electrode at both ends of the platinum / silicon Schottky heterojunction. The sensor has the characteristics of simple structure, convenient manufacturing process and specific and rapid identification of heavy metal ions, and avoids the problem of the influence of the use of a reference electrode on the sensing performance.

This disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of sensing metal ions using three-dimensional printed ion sensors. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an ion-sensing agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The ion-sensing agent can include water and a redox-active inorganic salt.

The invention discloses an air quality detection device with a telescopic sampling function, and relates to the technical field of air quality detection.The air quality detection device comprises a detection frame and a vacuum pump, a detection module is arranged in the detection frame, a sensor module is installed at the bottom of the detection module, and an exhaust pipe is arranged at one end of the detection frame; the vacuum pump is arranged at one end of the exhaust pipe, and a sampling pipe is mounted at the other end of the detection frame. The air quality detection device capable of sampling telescopically adopts a negative pressure sampling design, the detection frame is vacuumized through the vacuum pump to form stable negative pressure, an air sample quickly enters the detection frame without interference by using atmospheric pressure difference, and the sample can be sealed and isolated through cooperative control of the electric valve I and the electric valve II, so that the sample is prevented from being mixed with external air; and a sensor module consisting of a laser scattering sensor and a PID optical ion sensor is combined, so that the concentration of harmful gases such as particulate matters and VOCs can be accurately detected, and the accuracy and authenticity of sampling and detection data are comprehensively ensured.

The invention relates to a polymer (lithium ion carrier) with a structure as shown in a formula I. Compared with a commercial lithium ion carrier, the lithium ion carrier disclosed by the invention has better whole blood detection accuracy, better lithium ion selectivity and anti-interference effect and better thermal stability on the premise of not influencing a linear relation. The lithium ion selective membrane electrode prepared from the lithium ion carrier or the lithium ion sensor has excellent accuracy in detection of lithium ion concentration in blood, aqueous solution or seawater samples. Formula I

Aspects of the present disclosure provide techniques for measuring an ion concentration level of a user of a wearable device. An example method performed by the wearable device includes applying, using a potentiostat of the wearable device, a bias voltage to an ion selective electrode (ISE) of a transcutaneous ion sensor of the wearable device, measuring a current associated with the ISE of the transcutaneous ion sensor, adjusting the bias voltage based on the measured current associated with the ISE until the measured current is within a threshold range, determining, based at least in part on the measured current, the ion concentration level of the user, and transmitting an indication of the ion concentration level of the user to a display device for display to the user.

The application provides an ion sensing slurry and a preparation method thereof, a textile ion sensor and a preparation method and application thereof, and relates to the technical field of sensors.The ion sensing slurry provided by the application comprises graphene, water-based polyurethane and silk fibroin; the mass of the silk fibroin is 5-25% of the total mass of the graphene and the water-based polyurethane; and the mass of the graphene is 5-15% of the total mass of the graphene and the water-based polyurethane.The ion sensing slurry provided by the application has the function of ion sensing, is printed onto the surface of a fabric, and the obtained textile ion sensor can effectively detect urine protein in urine, realizes the monitoring of human life and health, and has good mechanical strength and bending resistance.

The invention provides a method and device for evaluating underground water pollution caused by carbon sequestration engineering, and relates to the technical field of carbon sequestration, and the method comprises the steps: setting a plurality of monitoring points in an underground water region of the carbon sequestration engineering, and setting various types of monitoring sensors at each monitoring point, the monitoring sensor comprises a dissolved carbon dioxide sensor, a heavy metal ion sensor, a pH sensor and a total dissolved solid sensor; for any monitoring point, acquiring monitoring data of the monitoring point under a plurality of monitoring indexes based on a monitoring sensor arranged on the monitoring point, and transmitting the monitoring data to a data processing center in real time; and performing groundwater pollution assessment on the received monitoring data of each monitoring point under the plurality of monitoring indexes based on the data processing center to obtain a groundwater pollution assessment score corresponding to the groundwater area. According to the method, it is ensured that the pollution source can be found in time when appearing, and diffusion and aggravation of potential pollution are avoided.

The application discloses an ammonium ion sensor and a preparation method thereof, wherein the ammonium ion sensor comprises a substrate, a reference electrode and a working electrode which are arranged on the substrate in a spaced manner; the working electrode comprises a metal electrode layer, a dendritic gold nanomaterial layer, a conductive polymer layer and an ammonium ion selective membrane which are arranged in a stacked manner; the metal electrode layer is arranged in close contact with the substrate; the conductive polymer layer is arranged in close contact with one side of the dendritic gold nanomaterial layer and wraps around the surface of the dendritic gold according to the shape of the dendritic gold. In the application, the conductive polymer layer is conformal with the dendritic gold in the dendritic gold nanomaterial layer, which is beneficial to electron transmission, reduces potential drift, makes the ammonium ion sensor have good performance, has a low detection lower limit and a wide sensing range, realizes sensitive, stable and real-time noninvasive monitoring of different ammonium ion concentrations in various body fluids, does not produce toxic substances during ammonium ion detection and can realize continuous detection of ammonium ions in body fluids.

This invention relates to a real-time cell metabolism measurement device for measuring metabolic cells in a cell culture flask. It includes a pump mechanism and a first chamber and a second chamber sequentially connected to the outlet of the pump mechanism. The inlet of the pump mechanism is used to connect to the cell culture flask, and the second chamber has an outlet for connecting to the cell culture flask. It also includes necessary connecting pipes to form a circulation path between the pump mechanism, the first chamber, the second chamber, and the cell culture flask. The first chamber is equipped with probes for at least three of the following sensors: a pH sensor, a dissolved oxygen sensor, a dissolved carbon dioxide sensor, and an ion sensor. The second chamber is equipped with multiple electrochemical biosensors. This enables real-time metabolic detection.

The utility model belongs to the technical field of environment monitoring, and particularly relates to a portable on-line monitoring device for condensable particulate matters of a stationary source. The device comprises a semiconductor refrigeration module, seven peristaltic pumps, a liquid storage tank, a PLC (Programmable Logic Controller), three liquid level sensors, a conductivity sensor, a conductivity detection pool, a pH (Potential of Hydrogen) sensor, a pH detection pool, an ammonium ion sensor, an ammonium ion detection pool, a pH adjusting module, a reaction pool, an alkali liquor bottle, a stirring motor and the like. The device can be used for monitoring the concentration of condensable particulate matters in the flue gas on line, and the pipeline is simple and effective to clean. The device is low in investment cost, convenient to sample and carry, small in occupied area, light in weight and low in maintenance cost; the sampling process is highly automatic, and the equipment burden of environment monitoring personnel is reduced; the defects that in the prior art, the monitoring process is complex, online monitoring is not supported, and the size and weight are large are effectively overcome. The method can be widely applied to on-line monitoring of condensable particulate matters of stationary pollution sources.

The invention relates to the technical field of industrial wastewater monitoring, and discloses an industrial wastewater quality real-time monitoring system based on an intelligent sensor. The system comprises a water quality dynamic sensing unit, a spectral feature extraction unit, a cloud collaborative analysis unit and a multistage response execution unit. The water quality dynamic sensing unit collects target ion concentration data flow and real-time electrolytic bath voltage parameters through a multi-channel ion sensor; the spectral feature extraction unit performs spectral response atlas reconstruction on the data stream to generate a multi-dimensional ion concentration feature matrix; the cloud collaborative analysis unit combines the feature matrix and the voltage parameters, and constructs a dynamic water quality evaluation model through an adaptive weight fusion algorithm; and the multi-stage response execution unit executes a hierarchical risk verification strategy according to the model, and dynamically adjusts operation parameters of the wastewater treatment equipment. According to the system, real-time and multi-dimensional monitoring of the water quality of the industrial wastewater and dynamic regulation and control of treatment equipment are realized.