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7784results about "Thermometer details" patented technology

Distributed real-time monitoring and early warning system for temperature field of smelting furnace

The invention discloses a distributed real-time monitoring and early warning system for a temperature field of a smelting furnace, and relates to the technical field of industrial process intelligent monitoring. The problems of accumulated measurement errors and non-stationary hotspot escape reconstruction hysteresis caused by static emissivity setting in an existing system are solved. Collecting multiband radiation intensity and voltage signals through time domain alignment of the multispectral sensor array and the thermocouple array; iterating emissivity parameters in real time by adopting a dynamic ash body spectrum ratio algorithm in combination with flue gas absorption characteristics; fusing non-contact and contact temperature measurement data based on weighted Kalman filtering and complementary filtering; constructing a space-time variable covariance function to carry out non-stationary Kriging interpolation; dynamically optimizing the local grid resolution by combining an adaptive grid module; the processing flow is accelerated through the parallel computing module; early warning is triggered based on abnormal probability judgment and is fed back to emissivity correction and grid optimization; according to the invention, the monitoring precision and real-time performance of the temperature field are obviously improved, and the risks of false alarm, missing alarm and equipment melting loss are effectively inhibited.
Owner:XICHUAN BEIJING JINYANG VANADIUM IND CO LTD

Oil-immersed transformer distributed temperature measurement method based on fluorescent optical fiber sensor

The invention relates to the technical field of power equipment state monitoring, in particular to an oil-immersed transformer distributed temperature measurement method based on a fluorescent optical fiber sensor, and the method comprises the steps: arranging the fluorescent optical fiber sensor in a key temperature rise region in a transformer in a partitioned and layered three-dimensional topological structure, and forming a distributed temperature measurement network; exciting light is injected through a pulse laser to excite a fluorescence signal; a dual-channel phase-locked amplification technology is used to collect signals, and a dual-weight adaptive attenuation model and an oil flow coupling compensation function are combined to demodulate the temperature; reconstructing a dynamic temperature field based on a three-dimensional thermodynamic inversion algorithm, and marking high-gradient hot spots; and temperature, load current and oil flow velocity data are fused to realize graded alarm. According to the invention, the limitation of traditional single-point monitoring is broken through, the strong electromagnetic interference resistance is excellent, a global temperature field can be accurately reconstructed, dynamic early warning is realized, and the operation safety and the operation and maintenance efficiency of the transformer are remarkably improved.
Owner:FUJIAN LEAD AUTOMATION EQUIP CO LTD

Intelligent cable fault accurate positioning and early warning method and system

The invention discloses an intelligent cable fault accurate positioning and early warning method and system, and the method comprises the steps: collecting the temperature gradient, strain distribution and partial discharge signals of the whole length of a cable in real time through a distributed optical fiber sensing network, and generating a multi-dimensional feature matrix of the operation state of the cable; based on the multi-dimensional feature matrix, outputting a preliminary fault positioning coordinate; generating corrected fault coordinates according to the topological structure data of the cable laying environment and the electromagnetic interference distribution diagram; historical fault data, real-time operation parameters and the corrected fault coordinates are fused, and a fault risk thermodynamic diagram in a future preset duration is output; and based on the fault risk thermodynamic diagram and real-time monitoring data, generating fault first-aid repair information by using a dynamic priority algorithm, synchronously triggering an early warning signal, and visually displaying a fault positioning result and a risk area in a three-dimensional geographic information system. According to the embodiment of the invention, rapid positioning, accurate early warning and intelligent disposal of the cable fault can be realized.
Owner:ZHEJIANG WANMA CO LTD

Wearable device for noninvasive body temperature measurement

A wearable device configured to secure to skin of a user and noninvasively measure body temperature of the user can include first and second pairs of temperature sensors configured to generate one or more signals responsive to detected thermal energy, a thermally conductive element positioned at least partially between the second pair of temperature sensors, and one or more hardware processors configured to receive the one or more signals generated by each of said first and second pairs of temperature sensors and determine one or more body temperature values of the user based on at least comparisons between different ones of the first and second pairs of temperature sensors. In some implementations, the wearable device includes thermally conductive probes for transmitting thermal energy toward ones of the first and second pairs of temperature sensors and a substrate positioned between the probes and the skin.
Owner:MASIMO CORP

Temperature monitoring method for photovoltaic grid-connected cabinet

The invention discloses a temperature monitoring method for a photovoltaic grid-connected cabinet, and particularly relates to the technical field of photovoltaic grid-connected cabinets. The method comprises the following steps: arranging multiple types of temperature sensors in a grid-connected cabinet, collecting real-time temperature data, constructing a heat distribution model, comparing a current heat map with a historical steady-state heat field template, and identifying heat field offset and an atypical temperature rise trend; when the system detects that early warning is not triggered by an existing measuring point in a heat abnormal area, redundancy alarm logic is automatically started, temperature abnormal early warning is generated, and the speculated abnormal heat source position is recorded; according to the method, the sensing capability of the thermal anomaly in the blind area of the sensor is effectively improved, and the safety and the intelligent level of the system are enhanced.
Owner:DIDUN HOLDING GROUP CO LTD

Charging pile gun state detection method and system

The invention relates to a charging pile gun state intelligent detection method and system, and the method comprises the steps: collecting a charging gun head electromagnetic signal, a gun handle temperature gradient and an interface contact surface mechanical strain signal in real time based on a multi-mode sensor array, constructing a space-time coupling data cube, separating the independent components of an electromagnetic field, a temperature field and a strain field, and obtaining a space-time coupling data cube; the multi-physical field coupling interference is eliminated; designing a dynamic cross compensation mechanism to correct mutual influence among sensor data; extracting multi-domain features and carrying out adversarial weight fusion to generate a comprehensive state representation vector; state scores are generated in combination with similarity matching of the dynamic reference library, and abnormal grade classification is achieved; according to the method, the problems of multi-field coupling interference separation, dynamic drift compensation and multi-dimensional feature joint modeling can be solved, the accuracy and real-time performance of poor contact of the charging gun, overheating early warning and mechanical deformation detection are improved, and a guarantee is provided for safe operation of charging facilities.
Owner:ZHONGDE CENTURY (TIANJIN) NEW ENERGY TECHNOLOGY CO LTD +2

High-voltage passive induction temperature monitoring system

The invention relates to the field of temperature monitoring, and discloses a high-voltage passive induction temperature monitoring system, which comprises a plurality of temperature sensors, the plurality of temperature sensors are arranged in different cabinets and channels in a machine room; a control unit; the control unit is used for sending a detection instruction to each temperature sensor and receiving a feedback temperature signal; the control unit generates a temperature change curve of each monitoring point according to the received temperature signals; the control unit constructs a three-dimensional temperature distribution model of the whole machine room based on the temperature change curve of each monitoring point, identifies a potential hot spot area based on the three-dimensional temperature distribution model and predicts the temperature change trend of the potential hot spot area; a refrigeration unit; the refrigeration unit is used for adjusting the temperature of the located area; the refrigeration unit is communicated with the control unit; wherein the control unit adjusts the power of each refrigeration unit based on the identified potential hot spot areas.
Owner:WUHAN HAILIFANG ELECTRICAL TECH CO LTD

Disinfection lamp with underwater light projection effect

Disclosed is a disinfection lamp with an underwater light projection effect, comprising an upper lampshade, a lower lampshade, a lens lampshade and a tube for containing sustained release chlorine tablets, wherein a circuit board and a battery are arranged on the lens lampshade, a solar panel is mounted on the surface of the upper lampshade, a first light bead is arranged on the lower surface of the circuit board, a light diffuser is arranged at a position, corresponding to the first light bead, of a bottom of the lens lampshade, the first light bead is located in the light diffuser, and the lower lampshade is mounted at the bottom of the lens lampshade. The disinfection lamp can float on water, and the tube containing the sustained release chlorine tablets is immersed in water, such that a conventional water purification, sterilization and disinfection effect is realized.
Owner:SHEN ZHEN LAMHO PHOTOELECTRICITY & TECH CO LTD

Power grid cable temperature monitoring and alarming method, device, equipment and storage medium

The invention provides a power grid cable temperature monitoring and alarming method, device and equipment and a storage medium. The method comprises the following steps: acquiring cable outer sheath temperature data through a temperature sensor and acquiring cable current load data and health condition indexes; calculating the temperature of the conductor according to the temperature data of the outer sheath, the current load data and the environmental parameter data by using a superposition principle calculation model based on time attenuation coefficient correction; according to the cable health condition index, calculating a grading early warning threshold value, and comparing the conductor temperature with the threshold value to determine an early warning grade; and when the early warning level reaches a preset condition, matching the sheath temperature data with a template in an abnormal mode library, identifying an abnormal reason through multiple algorithms, and generating a disposal suggestion in combination with geographic information system data. According to the invention, the conductor temperature can be quickly and accurately calculated, the early warning threshold value is dynamically adjusted, the abnormal reason is intelligently identified, and the accuracy and effectiveness of cable temperature monitoring and early warning are greatly improved.
Owner:STATE GRID HENAN ELECTRIC POWER COMPANY ZHENGZHOU POWER SUPPLY CO

Multi-stage early warning method and system for thermal runaway of energy storage lithium ion battery

The invention discloses an energy storage lithium ion battery thermal runaway multistage early warning method and system, and belongs to the technical field of lithium battery safety. The method comprises the steps that a three-dimensional closed-loop optical fiber monitoring network is constructed, distributed temperature sensing optical fibers are laid along the side face, the top face and the side face of a battery, and areas which are not smaller than 20 mm away from the center of a safety valve and not smaller than 15 mm away from a tab welding point are actively avoided; acquiring centimeter-level temperature field data through an optical fiber demodulator; and the processor calculates the temperature rise rate R and the temperature gradient G in real time based on the temperature field, and performs composite condition early warning. The triggering condition of the early warning is that when the temperature T of any measuring point reaches a preset threshold value, one of the temperature rise rate R and the temperature gradient G reaches the preset threshold value, and the proportion of all abnormal areas exceeding the threshold value in the total laying length of the optical fiber is not less than 30%, the early warning of the corresponding level is triggered. According to the method, local benign fluctuation can be effectively filtered, the false alarm rate is greatly reduced, and earlier and more accurate thermal runaway early prediction is realized.
Owner:UNIV OF SCI & TECH OF CHINA

High-precision temperature sensor based on complementary dynamic element matching and zoom analog-to-digital converter and working method

The invention relates to a high-precision temperature sensor based on complementary dynamic element matching and a zoom analog-to-digital converter and a working method, and belongs to the technical field of sensor improvement, and the sensor comprises an analog front end, an analog-to-digital converter, a digital rear end and a control logic. An improved chopping technology is adopted, and one clock signal is adopted to control two sub operational amplifiers, so that the output stability and precision of the analog front end are improved. A complementary dynamic element matching technology is utilized, errors caused by voltage drop at the two ends of a switch are reduced, the influence of channel charge injection is counteracted, a scaling type analog-to-digital converter design is provided for an analog-to-digital conversion part, and balance among power consumption, speed and precision is achieved. According to the method, a 10-bit successive approximation register analog-to-digital converter is used for measuring a numerical value and a change trend, and the numerical value and the change trend are analyzed, so that the expression effects of a current mirror structure, a transistor, a filter and the like are evaluated, the aging of the transistor is found in advance, and a clear direction is provided for future design improvement.
Owner:SHANDONG UNIV

High-temperature wireless temperature probe based on NTC (Negative Temperature Coefficient) lead time division multiplexing and manufacturing method

The invention discloses a high-temperature wireless temperature probe based on NTC lead time division multiplexing and a manufacturing method, and relates to the technical field of wireless temperature probes, and the high-temperature wireless temperature probe comprises a needle tube assembly, a ceramic insulating ring and a coaxial coupling connecting shaft which are connected in sequence; a PCBA board is arranged in the needle tube assembly, and an environment temperature sensor lead and a time division multiplexing circuit are integrated on the PCBA board and selectively connected with the radio frequency receiving and transmitting circuit or the RC charging and discharging temperature measuring circuit. At least two temperature sensors; the ceramic insulating ring is arranged at the joint part of the needle tube assembly and the coaxial coupling connecting shaft, and an inner cavity forms a closed cavity; the coaxial coupling connection shaft comprises a metal outer wall which forms a radio frequency signal ground and a metal inner conductor which forms a coaxial transmission structure with an environment temperature sensor lead. According to the high-temperature wireless temperature probe, mutual interference between the radio frequency function and the temperature sensing function of the wireless temperature probe is effectively eliminated, and the high-temperature wireless temperature probe with high-precision temperature measurement performance is provided.
Owner:SHENZHEN KUKI ELECTRONICS CO LTD

Intelligent temperature control method and device for fan foundation construction in alpine region

The invention relates to the field of construction temperature regulation and control, in particular to an intelligent temperature control method and device for fan foundation construction in an alpine region. The method comprises the following steps: collecting real-time concrete temperature monitoring parameters based on a distributed temperature sensor, carrying out time sequence temperature discrete trend analysis and spatial temperature fluctuation distribution evolution, and constructing a temperature fluctuation distribution evolution diagram; concrete surface environment parameters are extracted, heat exchange simulation processing is carried out on the temperature fluctuation distribution evolution diagram, multivariate coupling correlation analysis is carried out, and a temperature-environment quantitative relation model is constructed; and obtaining historical meteorological logs and meteorological environment data of the construction area, carrying out similar meteorological condition matching calculation, carrying out short-term meteorological trend prediction, and generating short-term meteorological trend prediction features. According to the dynamic temperature regulation and control requirements, safe construction of the fan foundation concrete in the high and cold environment is guaranteed, and the construction quality is improved.
Owner:GUANGDONG POWER ENG

Temperature and pressure sensor for new energy automobile

The invention discloses a temperature and pressure sensor for a new energy automobile, and belongs to the technical field of sensor equipment, the temperature and pressure sensor comprises a plug assembly, a shell and a protective sleeve, a support seat, a circuit board, a temperature sensing probe and a pressure sensing element are arranged in the shell, the protective sleeve is arranged at the lower waist part of the support seat, and the temperature sensing probe is located in the protective sleeve and is in electric signal connection with the circuit board; a square groove for containing the pressure sensing element and the circuit board is formed in the top of the support base, the pressure sensing element is arranged at the bottom of the circuit board and is in electric signal connection with the circuit board, and a pressure transmission channel is further arranged in the shell. The pressure transmission channel comprises a gap part defined by a protective sleeve and a shell and a special-shaped channel formed in the support base, a circular pressure groove is formed in the square groove, the circular pressure groove is matched with the pressure sensing element to form a pressure cavity which is eccentrically designed relative to the shell in the axial direction, and the special-shaped channel is formed in a medium leading-in area. Therefore, the medium entering surface area can be increased through the eccentric design, and the response speed of medium pressure measurement is ensured.
Owner:QUFU TEMB AUTO PARTS MFG CO LTD

Cold chain transportation intelligent early warning and exception handling method based on temperature sensor data

The invention relates to a cold chain transportation intelligent early warning and abnormity processing method based on temperature sensor data, and the method comprises the following steps: carrying out the temperature data collection of different regions in a cold chain transportation carriage, and obtaining the temperature collection data; performing temperature fluctuation analysis based on the temperature acquisition data to obtain a temperature fluctuation trend parameter; based on the temperature fluctuation trend parameters, temperature threshold value judgment is conducted on the cold chain transportation compartment, and a temperature judgment result is obtained; and when the temperature judgment result is that the temperature of the core cargo area in the cold-chain transportation carriage exceeds the preset threshold range, temperature early warning grade information is determined according to the temperature judgment result, and an abnormity processing instruction is generated based on the temperature early warning grade information, so that the problem that potential temperature risks cannot be predicted in advance is solved, and the safety of the cold-chain transportation carriage is improved. And the exception processing is often lagged.
Owner:ZHONGJIAN YUNKANG (GUANGZHOU) LOGISTICS SUPPLY CHAIN CO LTD

Chip test calibration device and method

The invention provides a chip test calibration device and method, and relates to the technical field of chip test. The chip test calibration device comprises a base, a cooling air supply device, a control device, a chip and two groups of manipulators. According to the invention, the chip is heated by setting different temperature environments in stages, and the multi-point synchronous temperature measurement of each temperature stage is combined, so that the heat distribution on the surface of the chip can be comprehensively captured, and the calibration error caused by non-uniform temperature or a detection blind area is avoided; the chip is automatically circulated among the heating station, the detection station and the cooling station, synchronous processing and continuous detection of multiple chips are achieved, the single-batch detection period is greatly shortened, the surface of the chip is directly blown by directional airflow, an efficient air return channel is matched, the temperature of the chip can be rapidly reduced after detection is completed, idle waiting for station switching is reduced, and the overall production efficiency is improved.
Owner:XUZHOU LINGSHI SEMICON TECH CO LTD

Temperature measuring circuit structure and temperature probe

The utility model provides a temperature measurement circuit structure and a temperature probe. The temperature measuring circuit structure comprises a first temperature measuring circuit, a second temperature measuring circuit, a charging module and a switching circuit, and the switching circuit is connected with the charging module. A third wire and a fourth wire of the second temperature measuring circuit are connected with the control chip through the PCBA board. A first charging wire of the charging module is connected with the control chip through the PCBA board; in the charging state, the switching circuit connects the third wire or the fourth wire to the charging module and serves as a second charging wire of the charging module. In the non-charging state, the switching circuit cuts off the third wire or the fourth wire serving as the second charging wire from the charging module. One wire in the handle is reduced through the switching circuit, so that interference to antenna signals is reduced, the use number and manufacturing difficulty of wire rods are reduced, the number of through holes in the ceramic piece is reduced, and the structural strength of the ceramic piece is enhanced.
Owner:SHENZHEN TOPOS SENSOR TECHNOLOGY CO LTD

Information collection device and battery pack

To provide an information collection device and a battery pack which improve the sealing performance of a signal collection device.SOLUTION: The present disclosure relates to the field of battery technologies, and provides an information collection device and a battery pack. The information collection device includes a casing, an air pressure sensor, and a sealing member. The casing has a first installation hole. The air pressure sensor is installed inside the casing, and at least a part of the air pressure sensor is snap-fitted into the first installation hole to acquire an air pressure parameter outside the casing. The sealing member seals the first installation hole, and the sealing member is used to allow gas to pass through and prevent liquid from passing through. Thereby, the information collection device can be arranged in a battery cell, and can collect information in an environment of electrolyte, thus capable of mitigating the technical problems of complex structure and insufficient reliability of a cover plate of the battery cell caused by external arrangement of the information collection device.SELECTED DRAWING: Figure 1
Owner:イーブイイー·パワー·カンパニー·リミテッド

Energy storage cabinet multi-parameter intelligent monitoring device based on MEMS sensor array

The invention relates to the technical field of energy storage cabinet safety monitoring, in particular to an energy storage cabinet multi-parameter intelligent monitoring device based on an MEMS sensor array, a sensor array unit in the energy storage cabinet multi-parameter intelligent monitoring device comprises distributed MEMS temperature and vibration sensors, the temperature sensors are installed in a non-vertical mode, detection deviation caused by direct blowing of airflow is avoided, and the energy storage cabinet multi-parameter intelligent monitoring device based on the MEMS sensor array is obtained. The airflow disturbance correction unit corrects temperature original data in real time and eliminates interference of airflow on module body temperature detection by means of a heat dissipation airflow vector field dynamic model and a compensation algorithm, and the multi-parameter coupling analysis unit processes vibration and temperature signals in a double-channel mode, extracts tab loosening high-frequency micro-vibration characteristics and correlates the temperature rising rate. Early fault logic is triggered through two-stage judgment, the fault decision and output unit fuses the correction temperature, the coupling strength coefficient and the speed-up ratio, graded early warning is generated through a fault tree model and transmitted to an external monitoring system, and accurate monitoring of early faults of the energy storage cabinet is achieved.
Owner:WEICHU NEW MATERIALS CO LTD

Temperature sensing and radio frequency identification circuit integrated temperature measurement method and system

The invention discloses a temperature sensing and radio frequency identification circuit integrated temperature measurement method and system, which are applied to the technical field of temperature sensor data processing, and the method comprises the steps: obtaining the response time when each temperature sensing node collects the temperature according to a corresponding first preset sampling frequency, and the signal transmission delay time of a corresponding radio frequency identification chip; correcting response time by using a compensation matrix constructed according to the signal transmission delay time sequence to obtain an adjusted response time sequence, and respectively determining a sampling configuration scheme and reference task bearing capacity corresponding to the temperature sensing node according to the adjusted response time sequence and equipment parameters; and carrying out temperature acquisition, and carrying out interpolation reconstruction and optimization on the acquired temperature value to obtain optimized temperature data. According to the method, the response speed of the distributed temperature sensing system is adjusted, and the sampling strategy is adjusted in combination with the dynamic change of the distribution characteristics of the temperature field, so that the temperature monitoring precision is improved.
Owner:GUO WANG ZHE JIANG SHENG DIAN LI YOU XIAN GONG SI HANG ZHOU SHI XIAO SHAN QU GONG DIAN GONG SI +1

Power equipment temperature monitoring and early warning system and method based on wireless communication

The invention discloses a power equipment temperature monitoring and early warning system and method based on wireless communication, and relates to the technical field of temperature monitoring, the system comprises a wireless temperature measurement terminal box and a mobile terminal APP, the wireless temperature measurement terminal box and the mobile terminal APP establish communication connection based on a wireless network, and the wireless temperature measurement terminal box is fixedly installed on power equipment; the wireless temperature measurement terminal box comprises an electromagnetic environment judgment module which monitors and judges whether interference exists in the environment where power equipment is located in real time based on an electromagnetic sensor and synchronizes a result into a temperature drift compensation analysis module; and the temperature monitoring module monitors temperature data in the power equipment in real time based on a temperature sensor. Through electromagnetic environment judgment and temperature drift compensation, historical data and a model are combined to dynamically correct interfered temperature data, the influence of electromagnetic interference is eliminated, real-time monitoring is matched with graded alarm, hidden dangers can be found in time, response can be made according to risk grades, accidents are avoided, and wireless connection adapts to complex scenes.
Owner:HUBEI CHUTIAN ELECTRICAL CO LTD

Cabinet three-dimensional temperature field monitoring method and device

The invention provides a cabinet three-dimensional temperature field monitoring method and device, and the method comprises the steps: arranging four temperature sensors at the positions of left and right columns at the rear part of a cabinet and the left and right middle positions of the rear side of the top of the cabinet respectively, and forming vertical and horizontal coordinate distribution points covering a key heat distribution region of the cabinet; collecting temperature data of the four temperature sensors at preset coordinate positions, and inputting the temperature data into a three-dimensional temperature field reconstruction algorithm model; processing the temperature data by adopting a bilinear interpolation method, and calculating the temperature value of any position in the cabinet; and according to a hot air convection rule, introducing height direction temperature gradient correction into the three-dimensional temperature field reconstruction algorithm model so as to eliminate the influence of heat convection on a temperature monitoring result. The three-dimensional temperature distribution in the cabinet can be accurately reflected, the temperature monitoring precision and real-time performance are improved, and the installation and maintenance cost is reduced.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD

Boiler wall temperature anomaly detection and early warning method based on approximate entropy calculation

The invention belongs to the technical field of equipment state monitoring, and particularly relates to a boiler wall temperature anomaly detection and early warning method based on approximate entropy calculation, which comprises the following steps: dividing a large coal-fired power plant boiler wall temperature time sequence into continuously overlapped sliding windows; calculating three statistical parameters in each sliding window; the three statistical parameters comprise standard deviation, range and approximate entropy; forming a three-dimensional time sequence matrix formed by n groups of parameters based on the three statistical parameters; and performing anomaly detection and early warning on the three-dimensional time sequence matrix by using an isolated forest anomaly detection algorithm. Abnormalities are accurately recognized from different dimensions, and high-dimensional data are efficiently dealt with. The method has the real-time performance and the dynamic performance, online calculation and real-time response can be achieved, the model is flexibly updated along with new data inrush, and the anomaly detection requirement of the dynamic data environment is met.
Owner:HUADIAN POWER INTERNATIONAL CORPORATION LTD

Energy controller in meter socket adapter connected household microgrid

A meter socket adapter (MSA) for connecting a battery energy storage system (BESS) to a household microgrid through a meter combo load center. The MSA includes: a housing matching an electricity meter and a meter socket in the meter combo load center; a plurality of power conductors that connect among the electricity meter, the meter socket, and BESS; a meter interconnection device (MID) switch for connecting a utility grid or one or more distribution energy resource (DER) devices to supply power to household loads in the household microgrid; a MID driving circuit for driving the MID switch to close or open; and a thermal management circuit couple with a plurality of temperature sensors disposed at each high current connection point to prevent overheat.
Owner:FRANKLINWH ENERGY TECHNOLOGY INC

Multi-point distributed thermocouple array and real-time temperature field monitoring method

The invention discloses a multipoint distributed thermocouple array and a real-time temperature field monitoring method, and relates to the technical field of temperature measurement. According to the array, micro thermojunctions are integrated on a substrate with the density larger than 1000 point cm, BiTe / Ag, Ni-Cr-Si / Cu-Ni and W-26% Re / Pt-13% Rh are adopted in a partitioned mode, and temperature measurement at the temperature ranging from-200 DEG C to 2000 DEG C is achieved. And the row and column gating-FPGA pipeline architecture completes full array scanning and IDW interpolation within 1ms, and outputs a high-resolution temperature field. An optical fiber or 1.6 GHz backscattering link guarantee gt; reliable data transmission under 900 DEG C and EMI environment is realized; a visual interface lt; and in 10s, an alarm is triggered or closed-loop cooling is executed. The device is suitable for aero-engines, high-temperature industry and biomedical precise thermal therapy.
Owner:JIANGSU XINHUANING INSTR CO LTD

Temperature measurement detection device for thermistor

The invention relates to the technical field of thermistor temperature measurement, in particular to a temperature measurement detection device for a thermistor, which comprises a substrate and a handpiece, a to-be-measured resistor is mounted on the outer side wall of the substrate, an inner cylinder is fixedly connected to the end part of the handpiece, a top magnetic block is fixedly connected to the interior of the inner cylinder, and a top magnetic block is fixedly connected to the top magnetic block. A probe switching mechanism is arranged in the inner cylinder and comprises a rotating rod rotationally connected into the inner cylinder, a gear is fixedly connected to the outer side wall of the rotating rod, a push rod is slidably connected to the inner cylinder, and a rack is arranged at the end of the push rod. When an operator presses down the handheld piece, the swing arm can synchronously drive the two cleaning pieces to move towards the two sides, the cleaning brush directly cleans the surface of the resistor to be measured, extra manual cleaning is not needed, obstruction of dust residues to heat conduction is effectively avoided, and a precise foundation is laid for subsequent temperature measurement.
Owner:DANDONG KELIANG ELECTRON

Health monitoring system and device for livestock

The present disclosure generally relates to a monitoring device (100) for remotely monitoring health of a young livestock animal (10), the device (100) comprising: an elongated body (110) within predefined dimensional limits; and a set of electronic components housed within the elongated body (110), the electronic components comprising: a temperature sensor for measuring body temperature of the young livestock animal (10); a computer processor for processing the measured temperature into temperature data; and a wireless communications component for transmitting the temperature data to a remote computer device (210) for processing to monitor the health of the young livestock animal (10), wherein the predefined dimensional limits of the elongated body (110) enable the monitoring device (100) to be orally administrable into the young livestock animal (10) and to remain inside its stomach (12) without being excreted.
Owner:PTS TECHNOLOGIES PTE LTD

Electric barbecue, in particular built-in or tabletop electric barbecue suitable for indoor or outdoor use

An electric barbecue, preferably built-in or tabletop and suitable for indoor or outdoor use; wherein the electric barbecue comprises: a grill or several grills placed side by side, each grill comprising an outer cooking face and an inner face; at the inner face of each grill a heating module is provided; each heating module comprising an electric coil heating element, independently controlled by a corresponding control device and a temperature sensor configured to measure the grill temperature; a box structure that removably supports the grill or grills at an upper opening; wherein each heating module is movably coupled to the box structure to move from a heating position of the corresponding grill in which it is at the inner face of the grill when supported by the box structure, to a barbecue cleaning position, wherein, once the corresponding grill is removed, it does not obstruct access to the box structure.
Owner:SMEG

Temperature real-time monitoring method and system based on mass concrete continuous pouring

The invention discloses a temperature real-time monitoring method and system based on mass concrete continuous pouring, and the method comprises the steps: collecting data in a mass concrete continuous pouring process in real time through the arrangement of sensors, forming a global temperature set of temperature values at each collection moment, obtaining the temperature value of each layer at each collection moment according to pouring layering, and carrying out the real-time monitoring of the temperature of each layer; forming a layered temperature set of the temperature values of each layer; determining a concrete pouring abnormal index; determining a dynamic early warning threshold value in the concrete continuous pouring process, determining a multi-stage early warning and response mechanism according to comparison between the concrete abnormal index and the threshold value, and generating an early warning control signal; and based on the early warning control signal, controlling the water cooling equipment and carrying out real-time monitoring feedback. According to the method, the specific temperature conditions of each layer at different acquisition moments can be precisely known, the positions of the layers with abnormal temperature can be more precisely positioned, structural cracks caused by temperature incoordination between the layers are avoided, and real-time monitoring of the temperature of mass concrete continuous pouring is achieved.
Owner:THE THIRD ENG CO LTD OF CCCC FOURTH HARBOR ENG +1

Temperature sensing element for aviation temperature sensor and packaging method of temperature sensing element

The invention discloses a temperature sensing element for an aviation temperature sensor and a packaging method, and belongs to the technical field of aero-engine temperature detection.The temperature sensing element for the aviation temperature sensor comprises a shell, a cavity is formed in the shell in the axial direction, a step face is formed at one end of the cavity, and a plurality of shell through holes are formed in the step face; the platinum resistor unit comprises a ceramic column, a platinum wire wound on the periphery of the ceramic column and a leading-out wire welded with the platinum wire, the ceramic column is provided with an even number of through holes in the axial direction, and the leading-out wire penetrates through the through holes and then extends out of the cavity; the insulating tube is sleeved outside the outgoing line and is matched with the through hole of the shell; the end cover is arranged at the end where the step surface C of the shell is located and is in fusion welding sealing with the end surface of the shell; and the sheath is coaxially fixed at one end, opposite to the end cover, of the shell. The temperature sensing element can solve the technical problems of insulation degradation between the outgoing line and the shell of the existing temperature sensing element and lead series fatigue fracture failure.
Owner:CHINA HANGFA SOUTH IND CO LTD