Abstract: A live detection system, a thermal infrared (IR) imager and a method for power grid equipment are provided. The system includes an environmental parameter module for acquiring environmental temperature, humidity and wind speed data; a ranging module for measuring a linear distance to the power grid equipment; an equipment type recognition module for acquiring an image of the power grid equipment, and recognizing a type of the power grid equipment; an equipment material determination module for determining a material type of the power grid equipment; an emissivity setting module for setting an emissivity; an temperature measurement module for obtaining a temperature of the power grid equipment by focusing on positions of the power grid equipment which need temperature measurement; and a report generation module for selecting a corresponding diagnostic model, displaying a temperature measurement position and a temperature value, drawing a conclusion, and generating a report.

Abstract: A system for monitoring of temperature trends for particles moving along a path of movement from a first position to a second position includes a sensor arrangement and processing device. The sensor arrangement includes at least two sensing elements detecting radiation emitted from the particles, arranged to co-operate with mutually separated sensing zones along the path of movement of the particles to detect a signal related to the temperature of particles. The processing device is arranged to: receive signals from the sensor arrangement; form signals from the at least one set of sensing elements into at least one pulse train when a particle moves through the field-of-view of the sensor arrangement; and based on this at least one pulse train monitor changes over time in the temperature of particles moving through the field-of-view of the sensor arrangement by monitoring changes over time in the wavelength distribution of the radiation emitted from the particles.

Abstract: Test procedures and equipment for the test and calibration of ultra-small thermal imaging cores, or micro-cores are disclosed. Test fixtures for calibration and adjustment that allow for operation and image acquisition of multiple cores at a time may also be provided. Test procedures and fixtures that allow for full temperature calibration of each individual core, as well as providing data useful for uniformity correction during operation, may also be provided as part of the test and manufacture of the core.

Abstract: The present disclosure provides a heat transfer limit experimental device of a high-temperature heat pipe equipped with a convenient temperature measurement box and a method based on the heat transfer limit experimental device. The heat transfer limit experimental device includes a high-temperature heat pipe, an electric heating system, a convenient temperature measurement box, a control system, a gas-cooled heat exchange system, and a data acquisition system. The electric heating system is connected to the high-temperature heat pipe. The convenient temperature measurement box is connected to the gas-cooled heat exchange system. The data acquisition system is connected to the gas-cooled heat exchange system, the convenient temperature measurement box, and the electric heating system. The control system is connected to the gas-cooled heat exchange system, the convenient temperature measurement box, and the electric heating system.

Abstract: A method and system for the wireless interrogation of a body immersed in a circulatory bath or a tank for heating. More specifically, the system may include a probe having multiple sensors for gauging a core temperature associated with the immersed body in combination with one or more wireless connections leading to a controller (on a circulator or a user interface) such that the user can determine temperature information (e.g., core temperature) of the body being immersed.

Abstract: A method of imaging a turbine engine component with a first surface and a second surface that is spaced from the first surface. The turbine engine component includes a plurality of holes with inlets formed in the second surface or interior that are fluidly coupled to outlets formed in the first surface or exterior. The method includes determining at least one fluid frequency, determining at least one sampling frequency, and pulsing fluid through at least a portion of the interior of turbine engine component while imaging the turbine engine component.

Abstract: A heat flux sensor, comprising: a ceramic heat sink; a sensitive element made of a single-crystal material and fixed to the ceramic heat sink through a thermally conductive and electrically insulative adhesive; a heat absorption layer arranged on an upper surface of the sensitive element; a first metal electrode and a second metal electrode arranged on the upper surface of the sensitive element; a third metal electrode arranged on the upper surface of the sensitive element; a fourth metal electrode arranged on a lower surface of the sensitive element; and a fifth metal electrode arranged on an upper surface of the ceramic heat sink; wherein a voltage signal between the first metal electrode and the second metal element is a transverse voltage Ux, and a voltage signal between the third metal electrode and the fourth metal electrode is a longitudinal voltage Uz.

Abstract: A method includes imaging a first graybody with a focal plane array (FPA), wherein the first graybody has a first emissivity, and imaging a second graybody having a lower emissivity than the first graybody. The method includes using data captured while imaging the first and second graybodies to perform non-uniformity correction (NUC) of the FPA.

Abstract: An optical spectrometer uses broadband radiation detectors to measure thermal radiation generated by the varied heating of an object without complex mechanical mechanisms, narrowband filters, or the like. The received thermal radiation is used to deduce spectral qualities of either the thermal radiation emitter or a second object reflecting or transmitting this thermal radiation.

Abstract: A temperature measuring device and a temperature measuring method are provided. The temperature measuring device includes a processing module, a first image capturing module and a second image capturing module. The processing module calculates a second reference area, a third temperature measuring area and a fourth temperature measuring area of a second image information according to a first reference area, a first temperature measuring area and a second temperature measuring area of a first image information, respectively. The processing module obtains a first detected temperature value of a test subject in the third temperature measuring area.

Abstract: A microprobe is provided that includes a microsphere optical resonator operatively coupled to a nanoscatterer. The microsphere optical resonator includes a back surface and a front surface opposite the front surface. The front surface is configured to receive a focused laser beam, and the nanoscatterer is positioned adjacent to the back surface.

Abstract: A core body thermometer that includes a wiring substrate on which a power supply switch and electronic components are mounted. The power supply switch is housed so as to face a back surface of an upper exterior body in a space formed by the upper exterior body and a lower exterior body. Moreover, a lining member is formed in a thin plate shape and disposed on the back surface of the upper exterior body, and a buffer member is disposed between the wiring substrate and the lining member. The lining member has a through-hole in which the power supply switch is placed in an inner side in a thickness direction when viewed in a plan view, and has flexibility in an operation direction of the power supply switch).

Abstract: A data collection device and a temperature monitor unit monitors the temperature of a remote structure. The temperature monitor unit has a thermocouple, a communications device assembly having an antenna and a transmitter, a power supply for powering the controller and the communications device, and an enclosure for surrounding the communications device and the power supply with the thermocouple and the antenna extending therethrough. The communications device obtains a temperature from the thermocouple and activates the transmitter to send the temperature to the data collection device through the antenna.

Abstract: A temperature sensor comprises: a sensor element including a thermosensitive body and a pair of electric wires that are electrically connected to the thermosensitive body; a protective tube for accommodating the sensor element; and a filling body that lies between the protective tube and the sensor element inside the protective tube. The pair of electric wires includes a pair of first electric wires and that are connected to the thermosensitive body, and a pair of second electric wires and that are connected to the pair of first electric wires and, respectively. The pair of second electric wires and are connected to the pair of first electric wires and on its front side at which insulation coverings thereof are separated from each other.

Abstract: An infrared sensor module and a forehead thermometer are provided. The infrared sensor module includes a light guide structure and an infrared sensor element. An annular hollow space is formed inside the light guide structure and passes therethrough. A first and second opening is formed on two opposite sides of the light guide structure, respectively. A diameter of the first opening is greater than a diameter of the second opening. The annular hollow space includes a matte and reflective area, the matte area has serration portions, and each of the serration portions extends from the first opening to the second opening and is arranged parallel to each other. The reflective area is formed between the second opening and the matte area. The infrared sensor element is disposed at the second opening. The forehead thermometer includes a casing, a circuit board, the infrared sensor module, and an operating switch.

Abstract: A temperature sensor is described having a measuring resistor, a printed circuit board onto which the measuring resistor is soldered, a cover plate which is fastened onto the printed circuit board, the cover plate having a recess in which the measuring resistor sits.

Abstract: A temperature sensor is disclosed. The temperature sensor includes an analog core having at least first and second circuit nodes and configured to provide a temperature dependent output, a multiplexer coupled to the first and second circuit nodes and configured for at least first and second states in each of which the first circuit node couples to a different circuit element and in each of which the second circuit node couples to a different circuit element, and a controller coupled to the analog core and configured to provide a temperature measurement that is an average of at least first and second readings of the temperature dependent output of the analog core, the first reading taken while the multiplexer is in the first state, and the second reading taken while the multiplexer is in the second state.

Abstract: A fire sensor, fire sensing apparatus and a fire sensing system are disclosed. The fire sensor includes a layer of fibers arranged to cross one another at intersections. The fibers have an electromagnetic property which is changeable upon contact with fire and they are individually connectible to a detector of fire sensing apparatus to detect any change in the electromagnetic property. A change in electromagnetic property detected at any intersection of two fibers will indicate a fire at the location of that intersection. A movement of that location across the sensor will indicate the direction of travel of the fire. The sensing system is capable of sending alerts and extinguishing the fire.

Abstract: In some embodiments, apparatuses and methods are provided herein useful to screening a body temperature of a human. In some embodiments, there is provided a touchless temperature screening system that screens a body temperature of a human including a housing comprising an output interface; one or more first sensors; a temperature sensor; and a control circuit configured to: cause the output interface to provide one or more messages; receive the one or more user inputs indicative of responses to at least one of the one or more messages; receive temperature data corresponding to the body temperature; determine whether the human meets a health criteria; and transmit a control signal indicative of the human meeting the health criteria in response to the human meeting the health criteria.

Abstract: A fiber optic temperature sensor, a sensing head structure, and a manufacturing method are provided. The fiber optic temperature sensor includes a broad spectrum light source, a first fiber optic coupler, a spectrometer, a first sensing interferometer, and a second sensing interferometer. The first sensing interferometer and the second sensing interferometer have opposite temperature responses. A first free spectral range corresponding to the first sensing interferometer is close to but not equal to a second free spectral range corresponding to the second sensing interferometer. In the fiber optic temperature sensor, two sensing interferometers both sensitive to temperature are used, and the two sensing interferometers have opposite temperature responses, thereby achieving an enhanced vernier effect, and improving the sensitivity of temperature measurement.