43results about How to "Fast temperature measurement" patented technology

The invention relates to the field of temperature measuring, and discloses an intelligent body temperature monitoring and alarming method and an intelligent body temperature monitoring and alarming system. The intelligent body temperature monitoring and alarming system comprises a temperature measuring terminal, a relay alarm terminal and a user terminal, wherein the temperature measuring terminal is used for acquiring the temperature data of the human body, and sending the temperature data of the human body to the relay alarm terminal; the relay alarm terminal is used for comparing the temperature data with temperature thresholds, when the temperature data is greater than a high temperature threshold or the temperature data is less than a low temperature threshold, carrying out temperature alarm, and sending the temperature data of the human body to a cloud database by a router; and the user terminal is used for invoking or receiving the temperature data of the human body in the cloud database by the router, comparing the temperature data with temperature thresholds, when the temperature data is greater than a high temperature threshold or the temperature data is less than a low temperature threshold, carrying out temperature alarm. According to the invention, the temperature data of the human body can be displayed, stored and judged, and when the temperature is greater than the temperature thresholds, double alarm is performed by the relay alarm terminal and the user terminal.

A temp. measurer of electronic clinic thermometer is composed of temp. measuring probe (thermosensitive semiconductor diode) and signal processing circuit. Its advantages are high speed and correctness, and the angle of temp. measuring probe variable between 30-90 deg..

The invention provides an optical fiber temperature sensor for rapid marine temperature measurement, and the sensor comprises a long-period fiber bragg grating, a shell, a stretching structure and two plugs, wherein the shell is a cylinder and a circular hollow-shaped containing part is arranged in the middle of the shell; small holes are respectively arranged at centers of two ends of the containing part; open-shaped circular holes are arranged at the outer sides of the two small holes, wherein the diameter of the open-shaped circular holes is more than that of the small holes; the long-period fiber bragg grating is placed in the containing part of the shell and passes through the small holes though optical fibers at two ends of the long-period fiber bragg grating; the stretching structure is located in one end of the shell and is used for fixing the long-period fiber bragg grating and providing constant tensile force, so as to ensure that the long-period fiber bragg grating is at a stretched state all the time; the two plugs are cylinders and the diameter of each plug is the same as that of the circular holes at the two ends of the shell; a hole through which the optical fibers can pass is arranged at the center of each plug, and the optical fibers pass through the holes.

The invention discloses a high voltage electrical apparatus temperature detecting probe and a high voltage electrical apparatus temperature monitoring system, wherein the system comprises a light source, a temperature detecting probe, an optical coupler, a color sensor, a signal process module, a data arithmetic device, and a display module; the temperature detecting probe comprises hollow fiber which is internally encapsulated with cholesteric crystal; the temperature detecting probe is connected with the light source, the hollow fiber and the color sensor through the optical coupler to form a light path connection; the electrical signal output end of the color sensor is connected with the signal process module, and an electrical signal processed by the signal process module is displayed on the display module after being operated by the arithmetic device. The invention has simple structure, is safe and reliable, can solve the problems that the high voltage electrical apparatus temperature can not be monitored on line, or the system has complex measuring system and high expense and high technical requirements, and has influence on the high voltage electrical apparatus insulativity and the like.

The invention discloses an intelligent infrared body temperature screening system which comprises a medium-wave refrigeration thermal infrared imager (1), a high-definition visible light camera (2), adisplay control computer (3), a large high-definition display screen (4), a real-time temperature measurement module (5) and a tripod (6). The medium-wave refrigeration thermal infrared imager (1) and the high-definition visible light camera (2) are arranged on the tripod; the medium-wave refrigeration thermal infrared imager (1) and the high-definition visible light camera (2) transmit images tothe display control computer (3) after imaging; and the display control computer (3) is connected with the high-definition display large screen (4), projects the real-time images and the temperaturemeasurement results to the high-definition display large screen (4) for display, and processes the infrared images, the visible light images and the temperature data to calculate the body temperaturesof a plurality of persons and judge the body temperatures of the corresponding persons. The system has the characteristics of high measurement precision, convenience in operation, high temperature measurement speed, good stability, flexible application mode, high scene adaptability and the like.

The embodiment of the invention provides a steam heating device capable of measuring temperature by infrared, which belongs to the field of steam heating device. The steam heating device capable of measuring temperature by infrared comprises a boiler for generating the steam; a steam outputting pipe for outputting the steam generated by the boiler to a cup, wherein the steam is used to heat the beverage contained in the cup; a steam solenoid valve which is arranged on the steam outputting pipe and is used to start and close the steam to flow into the steam outputting pipe; and an infrared temperature detector for measuring the temperature of the cup containing the beverage, wherein when the beverage is measured to be heated to a preset temperature value, the steam solenoid is closed so asto stop to heat the beverage. The invention has fast and exact temperature measurement, saves cleaning time and is sanitary and reliable; and the infrared temperature detector has long service life.

The invention discloses a device for measuring the temperature of a firn layer of an unattended polar region while drilling, and belongs to the field of drilling machines. The device comprises a derrick pulley, an encoder, a pulley bracket, a derrick pressure sensor, a drilling tower, a power supply temperature measurement cable, a hot-melt drilling tool, a control box, a winch, a winch motor anda drilling tower base, wherein the top of the drilling tower is provided with the derrick pulley, the derrick pressure sensor is fixed between the pulley bracket and the drilling tower and used for monitoring the drilling pressure in time, and a shaft end of the derrick pulley is connected with the encoder to achieve the detection of the drilling speed. The winch completes lowering and lifting ofthe hot-melt drilling tool by lifting and lowering the power supply temperature measurement cable. The power supply temperature measurement cable is formed by connecting two cables in parallel, one cable is used for supplying power to the hot-melt drilling tool, the other cable is used for completing the measurement of the drill hole temperature. The automatic control of the control box achieves unattended drilling, thereby greatly reducing the labor intensity of field staff. The device can achieve the wide-range multi-point rapid measurement of the temperature distribution of polar ice sheets, and has a wide application prospect.

Embodiments of the invention disclose a temperature measurement device and method. The temperature measurement device comprises a constant-current circuit, a Micro-LED and a voltage detection circuit,wherein the constant-current circuit is electrically connected with the Micro-LED and is used for inputting constant first current to the Micro-LED; the first current is smaller than a current threshold during the light emission of the Micro-LED; and the voltage detection circuit is electrically connected with the Micro-LED and is sued for measuring voltage between two electrodes of the Micro-LEDand outputting a detection temperature. The temperature measurement device and method are capable of solving temperature measurement problems and realizing rapid and high-precision temperature measurement.

The invention relates to the field of wearable equipment, and particularly discloses a smart watch, the smart watch comprises a dial plate, a watchband, spring bars and a thermocouple assembly, a controller is arranged in the dial plate, the watchband is connected with the spring bars and is connected to the dial plate through the spring bars, the thermocouple assembly is used for converting a temperature signal into an electric signal, and the thermocouple assembly is arranged on the watchband. The thermocouple assembly is provided with a hot end and two cold ends, the hot end is exposed on the surface of the side, making contact with the skin of a wearer, of the watchband, the two cold ends are connected with the spring bars respectively, and the two cold ends are electrically connected with the controller through the spring bars respectively. The smart watch provided by the invention can realize second-level temperature measurement, and the temperature measurement speed is high.

The embodiment of the invention discloses a temperature measuring device and a measuring method. The temperature measuring device comprises a constant voltage circuit, a Micro-LED and a current detection circuit; the constant voltage circuit is electrically connected with the Micro-LED and is used for inputting a constant reverse voltage to the Micro-LED, wherein the reverse voltage is greater than the reverse saturation voltage of the Micro-LED; and the current detection circuit is electrically connected with the Micro-LED and is used for measuring the current flowing through the Micro-LED and outputting the detection temperature. The technical scheme of the embodiment of the invention solves the problem of temperature measurement and realizes fast and high-accuracy temperature measurement.

The invention discloses a low-power-consumption digital intelligent food thermometer which comprises a main body, one end of the main body is provided with a probe, and the probe is used for being inserted into food to measure the temperature in food; an electric metal sheet is arranged at the other end of the main body and is used for charging the food thermometer; a control panel, a first ejector pin and a second ejector pin are arranged in the main body, one end of the first ejector pin is clamped at one end of the control panel, and the other end of the first ejector pin abuts against the electrical metal sheet; the second ejector pin transversely penetrates through the control plate, and the two ends of the second ejector pin abut against the inner wall of the main body; a digital pulse temperature measurement IC is arranged on the control panel, and the change rate of the food temperature is determined by measuring the time of a food temperature rising value; the completion time is estimated according to the determined rate of the food temperature change; and a rubber shell sleeves one end, located at the electrical metal sheet, of the main body; a limiting indication line is arranged on the main body. A nano-core micro temperature measurement IC and a Bluetooth chip are selected to be provided with an NTC temperature measurement module, and the defects that NTC simulation voltage division temperature measurement is large in power consumption, inaccurate in temperature measurement, slow in response and the like are overcome.

The invention belongs to the technical field of temperature measurement, and particularly relates to a non-contact wide-temperature-difference infrared temperature measurement method, which comprisesthe following steps of: setting a measurement system, and arranging a black body, a detector, an imager and an optical window in an incubator; configuring the detector according to the temperature measurement range; changing the temperature of the black body at different environment temperatures, finding out the relation between gray scale output of the imager and the temperature of the focal plane at the same temperature of the black body, and obtaining a gray scale-focal plane temperature fitting curve; during actual temperature measurement, according to the current focal plane temperature,substituting the current focal plane temperature into the gray-focal plane temperature fitting curve to obtain to-be-fitted gray output corresponding to different black body temperatures; and fittinga gray-temperature curve in real time according to the plurality of to-be-fitted gray output and the calibration blackbody temperature, and substituting the current pixel gray into the curve to obtainfinal temperature measurement temperature output. The method is high in temperature measurement speed and high in sensitivity, the response speed of an infrared thermometer to the temperature is very high, and real-time and rapid tracking measurement can be carried out.

A control system for an internal combustion engine includes a temperature sensor and an engine controller. The sensor measures the temperature of exhaust gas passing through an exhaust manifold of theengine during each cycle. The controller selectively operates the engine in a first state and a second state. In the first, normal state, a quantity of fuel based on an open loop fuel mass command value is injected into the engine each cycle. In the second state, the controller determines a temperature of the exhaust gas during a normal cycle, injects the quantity and additional fuel into the engine during a second cycle, determines the temperature of the exhaust gas during the second cycle, compares the temperatures, and adjusts the command value for fuel to be injected each cycle when operating the engine in the first state.

The invention provides a wearable electronic clinical thermometer. The wearable electronic clinical thermometer includes an arm band and a body connected in a detachable manner to the arm band. The arm band includes a fixed bracket and an arm band strip and an arm band body arranged on two opposite sides of the fixed bracket. The body is embedded in a fixed pit of the fixed bracket in a fitting manner. The body includes a main case accommodating a main support board fixed therein. An auxiliary support board perpendicular to the main support board is fixed on the inner side surface of the mainsupport body. The surface of the auxiliary support board is provided with a support board fixedly and with an iron plate in a sliding manner. The surface of the support board is embedded with an electromagnet and is provided with a step guide hole. The iron plate is fixedly provided with a guide post inserted into the step guide hole. The guide post is sleeved with a spring. The tail end of the guide post is provided with a temperature measuring sensor. A signal processing circuit, an analog-digital converter, a main controller, a timing device, a storage, a display screen, a buzzer and a wireless transmission module are fixed on the outer side face of the main support board. The wearable electronic clinical thermometer can be put on an upper arm and abuts against an armpit of user for body temperature detection and can transmit the body temperature data to a user client terminal for displaying.

The invention discloses an anti-icing and de-icing method for a total temperature sensor, and aims to provide a sensor still capable of accurately measuring the total temperature of the atmosphere atrelatively large side slip angle and attack angle. The method is realized by the following technical scheme that a cylindrical air duct of a T-shaped pipe, which extends first and then contracts, is arranged at the top end of a T-shaped strut stagnation cover connected through a flange plate (4); the side, facing air flow, in front of a cylinder is provided with an air inlet; an opening of the airinlet extends in a horn shape and contracts backwards; by taking pin shaft guide side holes tangent by circular arc transition, below the lower hole wall of a contraction hole in the junction of a throat pipe (8) of the T-shaped pipe, as fulcrums, the opening of the air inlet bends and contracts downwards in the radial direction, gradually downwards diffuses and extends to the root part of the T-shaped pipe, and then penetrates through a tail exhaust hole from the bottom wall of the root part of the T-shaped pipe to form a Laval cylindrical retardation chamber; and after icing, a temperaturesensing element exchanges heat with the surrounding environment in various ways, and meanwhile, ice is removed through a heating resistance wire used for preventing the outer wall of the retardation chamber from being iced and embedded in an interlayer of the outer surface or the outer wall of the T-shaped strut stagnation cover.

The invention discloses a rust-proof full wrapping-type temperature sensing sleeve for a heat exchanger. The rust-proof full wrapping-type temperature sensing sleeve comprises an upper pressing plate, a plastic hoop and a temperature measurement galvanic couple pipeline; a lower pressing plate is symmetrically arranged below the upper pressing plate; the right side of a heat conducting sheet is connected with a heat transfer block; a support is arranged in the temperature measurement galvanic couple pipeline; the support is provided with a temperature measurement galvanic couple; and heat conducting glue is connected between the temperature measurement galvanic couple and the temperature measurement galvanic couple pipeline. The rust-proof full wrapping-type temperature sensing sleeve for the heat exchanger is provided with a waterproof cover, and the waterproof cover is capable of covering an adjusting screw rod and a fixed bolt after installation is finished, so that the phenomenon that the adjusting screw rod and the fixed bolt fall off due to rusting by rain erosion is avoided; the plastic hoop can slightly deform according to the size of a copper pipe, and therefore, the temperature sensing sleeve can be suitable for copper pipes of most diameters, and does not need to be specially customized according to the sizes; the covering angle of the heat conducting glue in the temperature measurement galvanic couple pipeline is equal to the connecting angle of the heat transfer block at the outer side of the temperature measurement galvanic couple pipeline, and thus, conducted temperature can be connected with the temperature measurement galvanic couple pipeline and the internal heat conducting glue on the maximum area to accelerate temperature measurement rate.

The present invention relates to an arrangement (1) for measuring the temperature of a web. The arrangement (1) comprises a plurality of sensors (3) for contactless measuring of the temperature, an elongated housing (5) intended for extending essentially along a transverse direction (T) which is transverse to the direction of movement of a web. The sensors (3) are arranged in a chamber (6) within the housing (5) and spread along the front side (7a) of the housing (5). Each sensor (3) is connected to a data bus (9) for providing information of the measured temperature to other systems and / or apparatuses. The sensors (3) are attached to a support structure (19) having at least one rotatable shaft (23) in the interior of the housing (7), and wherein the shaft (23) is arranged to rotate the support structure (19) such that the sensors (3) are displaced to a calibration and / or protection position away from the openings (11) for calibration and / or protection of the sensors (3).The invention also relates to a method for measuring the temperature of a web, a computer program, a computer readable medium and a control unit.

The invention discloses an air-breathing optical fiber Fabry-Perot total temperature probe and a measuring system thereof. The air-breathing optical fiber Fabry-Perot total temperature probe comprisesan L-shaped pipeline, an optical fiber Fabry-Perot sensor, a Fabry-Perot supporting steel pipe and a vacuum pump, the L-shaped pipeline comprises an air inlet channel and an air entraining pipe; a steady flow channel, a convergence channel, a throat part and an expansion channel are sequentially arranged in the air inlet channel from top to bottom; the air entraining pipe is connected to the lower end of the air inlet channel and communicates with the expansion channel of the air inlet channel; the head of the Fabry-Perot supporting steel pipe extends into a convergence channel of the air inlet channel, and the lower end penetrates out of the bottom of the air inlet channel; the optical fiber Fabry-Perot sensor is installed in a convergence channel of the air inlet channel. During work, the air entraining pipe is pumped through the vacuum pump, the air speed of the convergence channel at the inlet of the air inlet channel is in a relatively high-speed and stable state, and when the convergence section reaches a supercritical state, the local convective heat transfer coefficient around the Fabry-Perot sensor is increased to a stable value and is not influenced by incoming flow static pressure and flow speed fluctuation; therefore, the temperature measurement speed, the temperature measurement precision and the stability of the total temperature probe are improved.

The invention discloses an air-breathing fiber optic fiber optic total temperature probe and a measuring system thereof. The interior has a steady flow channel, a convergent channel, a throat and an expansion channel in sequence from top to bottom; the air induction pipe is connected to the lower end of the intake channel and communicates with the expansion channel of the intake channel; In the converging channel of the air inlet, the lower end passes through the bottom of the air inlet; the fiber optic FAP sensor is installed in the converging channel of the air inlet; when working, the air induction pipe is pumped by a vacuum pump, and the wind speed of the converging channel at the inlet of the air inlet In a relatively high-speed and stable state, when the convergent section reaches the supercritical state, the local convective heat transfer coefficient around the Fapp sensor increases to a stable value, and is not affected by the static pressure and flow velocity fluctuations of the incoming flow, thereby improving The temperature measurement speed, temperature measurement accuracy and stability of the total temperature probe.

The invention discloses wearable equipment for acquiring human body information. The wearable equipment comprises a wrist strap type device, wherein a temperature acquisition module, a first judging module, a second judging module, a heart rate acquisition module and an alarming module are arranged in the wrist strap type device; the first judging module is used for subtracting the human body temperature from a first preset value, and if the difference is larger than a first threshold, a command is sent to the alarming module; the second judging module is used for subtracting the human body heart rate from a second preset value, and if the difference is larger than a second threshold, a command is sent to the alarming module; and the alarming module is used for sending an alarm signal according to the command of the first judging module or the second judging module.

The invention provides a contact type rapid body temperature measuring method and system. The method comprises the following steps: marking n measurement time points, corresponding n slope pre-ending measurement time and final measurement time in each curve of measurement temperature and used time; applying the initial temperature and the n slopes of the curve of all the measured temperatures and the used time to obtain a pre-estimation model of the final measured time tend and a pre-estimation model of the final measured temperature slope k; inputting the initial temperature and n slopes which are measured in real time into the prediction model of the final measurement time tend to obtain predicted final measurement time; inputting an initial temperature measured in real time and n slopes into the prediction model of the measured temperature slope k to obtain a final measured temperature slope; and applying the predicted final measurement time and the final measurement temperature slope to obtain the final measurement temperature. According to the scheme provided by the invention, the temperature measurement speed is high, the measurement precision is high, and the customer experience is greatly improved.

The invention refers to a kind of manganate temperature detector, which belongs to semiconductor sensitive element material field. The detector is made up of temperature detecting detector, conducting silver pulp, metal wires. The temperature detecting detector uses manganate. The effects of the invention are: because that the heat capacity of the manganate material is low, the thermal balancing period is short, the linear relation of the temperature resistance is good, the detector can measure the temperature quickly and accurately.

The invention provides a thermal infrared temperature measurement system suitable for real temperature measurement of an object, and belongs to the field of control science. Comprising a smart phone type thermal imager, a first optical filter, a second optical filter and a control processing device. Two narrow-band optical filters are added in front of the lens of the mobile phone type thermal imaging system, the optical filters are fixed in front of the infrared lens of the mobile phone type thermal imaging system by changing the working wave band of the thermal imaging system twice, the purpose of cutting out an optical path is achieved by rotating the optical filters, and the effect of variable-spectrum temperature measurement is further achieved. The device has the advantages of being high in temperature measurement speed, large in temperature measurement area, high in resolution ratio and non-contact. Compared with large-scale infrared measurement equipment, the mobile phone type thermal imager is low in cost, portable and more flexible in application scene. According to the invention, the variable spectrum method is adopted to measure the temperature, so that the real temperature of the object can be effectively measured under the condition that the emissivity of the object is unknown, and the real temperature of the object and the material emissivity of the measured object can be obtained according to the measurement result.

The invention relates to an iron griddle, belonging to the technical field of cooking utensils. The iron griddle comprises a stove and an iron plate arranged on the stove, the stove is provided with afire isolation component and a light filtering component which are located outside the stove end, a detection component corresponding to the fire isolation component is arranged on a bottom shell ofthe stove, and the light filtering component is arranged between the fire isolation component and the detection component, so that infrared rays radiated by the iron plate can penetrate through the light filtering component to be transmitted to the detection component. Through arrangement of the fire isolation component and the light filtering component, infrared rays radiated by the iron plate are transmitted to the detection component, then the temperature of the iron plate is measured, the heat degree of the iron griddle is easily controlled, and the iron griddle is prevented from burning dry. The fire isolation component can block the influence of hot air flow generated by flame on temperature measurement, and meanwhile, due to the fact that the fire isolation component and the light filtering component are arranged outside the stove end, the interference of the flame of the stove end on the temperature measurement is further avoided. The iron griddle provided by the invention is convenient and fast in temperature measurement, and the user experience is improved.

The invention provides a temperature measurement method based on an absorption spectrum. The temperature measurement method comprises the following steps: S1, signal light emitted by a light source is filtered by an optical filter I and then enters an optical fiber sensor in contact with a measured position; s2, signal light coming out of the optical fiber sensor is filtered by an optical filter II and then enters a photoelectric detector; s3, the photoelectric detector measures the signal light, converts the signal light into an electric signal and inputs the electric signal into a signal processing system; s4, the signal processing system converts the electric signal into a digital signal, the digital signal is compared with standard data, a temperature value matched with the digital signal is obtained, and the temperature value is the actual temperature value of the contact position of the optical fiber sensor and the measured position. According to the invention, the optical fiber is adopted as a signal transmission medium, so that the problem that the lead resistance of a traditional thermocouple type contact temperature measuring device cannot be eliminated at different temperatures is effectively avoided.

The invention relates to a solar cell panel electrode welding temperature measuring and positioning device and a use method. The device comprises an infrared sensor and a laser sensor, and further comprises a platform, bolts, an adjustment platform I, nuts, hose clamps and an adjustment platform II. The method includes the following steps that an operation machine tool aligns a welding gun with the welding position of a solar cell panel electrode; the laser sensor is turned on, the angle of the adjustment platform II is adjusted, and the light spot (light point) of the laser sensor is made to be aligned with the welding position and locked; welding is conducted; the temperature measuring light point of the infrared sensor is aligned with the welding point, the temperature numerical value can be read through a temperature measuring module, and the welding temperature can be measured. The device and the method have the advantages that temperature monitoring and precise positioning can be well conducted on the welding point, energy is saved, the welding precision can be higher, control is easier, and the work efficiency is improved. The temperature measuring speed is high, and sensitivity is high. The infrared sensor and the laser precise positioning technology are combined, the welding quality is ensured, and efficiency is improved. The structural design is reasonable.

The invention relates to a temperature measuring device, in particular to a temperature measuring component for a liquid oxygen kerosene engine test system process pipeline. The purpose of the present invention is to solve the problems of the existing armored temperature sensor that the sealing structure does not match the process pipeline sensor installation interface of the liquid oxygen kerosene engine test system, the sealing performance is poor, the measurement accuracy is low, the response speed is slow, and the reliability is poor. The invention discloses a temperature measuring component for a liquid oxygen kerosene engine test system process pipeline. The assembly includes a platinum resistance temperature sensor, a thermistor temperature sensor and a thermocouple temperature sensor, all of which include a temperature measurement unit, an armored shell, an outer nut, a fastening nut, a wire spring and an outer lead end; the armored shell The ball head of the body is matched with the bell-shaped welding straight-through interface on the pipeline; the platinum resistance temperature sensor is a bottom-touch type; the temperature measuring head of the thermistor temperature sensor is located in the temperature-sensing end, and a liquid Orifice; thermocouple temperature sensor is exposed type.

The invention discloses a vacuum suction-casting forming process for a temperature measuring layer of a thermal-insulation container, and the vacuum suction-casting forming process is used for forming a surface layer with a temperature measuring chip at the thermal-insulation container. The vacuum suction-casting forming process adopts a mould with a liquid suction hole and a gas exhaust hoe; the forming process sequentially comprises the steps of preparing temperature measuring sheets, applying sheets, carrying out injection-molding production and the like; the temperature measuring sheets are prepared by arranging the temperature measuring chip between two layers of raw material sheets; the injection-molding process adopts a vacuum suction-casting process; and the temperature measuring sheets are embedded into the thermal-insulation container in an injection-molding process. According to the vacuum suction-casting forming process disclosed by the invention, the temperature measuring chip is embedded into the thin-wall thermal-insulation container in a reliable fixing mode while the original thermal-insulation structure of the thermal-insulation container is not damaged.