40 results about "Thermal sensors" patented technology

There is provided a human falling detection system including an image sensor, a thermal sensor and a microphone. The image sensor captures an image frame that is used to identify a face and a height-width ratio of a human image. The thermal sensor is used as a filter for filtering out a living body and captures a thermal image that is used to identify a height-width ratio of a human thermal image. The microphone records a time stamp of an abrupt sound appearing.

Systems and methods for temperature detection include an antenna, a transmitter, a passive thermal sensor, and a power source. The passive thermal sensor defines an electrical discontinuity establishing an incomplete circuit between the power source and the transmitter. The passive thermal sensor includes a metal alloy provided in proximity to the electrical discontinuity. The metal alloy may be configured to change state from a solid state to a liquid state in a narrow temperature range such that the metal alloy in the liquid state bridges the electrical discontinuity to provide electrical connection between the power source and the transmitter to enable temperature detection. The metal alloy may be a shape memory alloy configured to provide an electrical connection between the power source and the transmitter above a certain threshold temperature and break the connection when the temperature falls below the threshold temperature.

This utility model relates to the field of refrigerator fan control, and more particularly to a refrigerator fan control circuit. In the refrigerator fan control circuit: the first and second input terminals of the window comparison and selection module are electrically connected to the first and second output terminals of the temperature recognition module, respectively; the input terminal of the PWM output module is electrically connected to the output terminal of the window comparison and selection module; the input terminal of the fan drive module is electrically connected to the output terminal of the PWM output module, used to drive the first and second fans to operate at a preset speed according to the PWM signal. This utility model, through the cooperation of the temperature recognition module and the window comparison and selection module, can realize a dual-thermal sensor design, effectively improving the reliability of refrigerator fan control. Simultaneously, through the cooperation of the PWM output module and the fan drive module, the operation control of the fan is realized based on the PWM signal, which can effectively improve overall energy efficiency.

The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling.

A method for minimally invasive laser ablation of a target tissue within a patient while sparing tissue within a safety zone proximate to the target tissue, comprising: guiding a laser fiber within a patient with a guidance tool; measuring a temperature within the target tissue and the safety zone based on an invasive and a non-invasive thermal sensor; computing a thermal profile in conjunction with a real-time tissue image adapted for guidance of the laser fiber with the guidance tool within the patient; and controlling a laser to deliver energy through the laser fiber, to deliver a minimally therapeutic ablation therapy to the target tissue while ensuring that the safety zone is maintained in a non-ablation condition, based on at least a treatment plan, the measured temperature, and the thermal profile.

Methods and apparatus for measuring biometric data including temperature in head-mounted devices (HMDs). Thermal sensors may also be integrated into the HMD and used to collect thermal data from the surface of the user's face. This thermal data may, for example, be processed to determine core body temperature of the user, or be processed to generate estimates of the user's respiration. The temperature data and / or respiration rate and changes to respiration rate derived from signals from the sensors may be used to generate and present biometric data to the user.

An air conditioner including an outdoor unit; at least one indoor unit configured to cool and heat an indoor space while repeating operation (Thermo-ON) and operation stop (Thermo-OFF); a sensor unit configured to measure a temperature and humidity of each indoor space in which the at least one indoor unit is located; and a controller. The controller calculates a sensible heat load and a latent heat load of each indoor space, based on a time when the operation stop occurs, a time when the operation starts again after the operation stop occurs, and temperature and humidity information of each indoor space, derives target sensible heat and target latent heat based on the calculated sensible heat load and latent heat load, and derives a target refrigerant temperature and an air volume of the at least one indoor unit based on the target sensible heat and the target latent heat.

The invention relates to a thermal probe arrangement (100) for a thermal measuring device (200) with a probe body (1) and to a thermal measuring device (200) with a thermal probe arrangement (100), for example, a thermal flow meter and / or a temperature measuring device. The probe body (1) has a holding device (4) with a retaining element to which a second thermal sensor element (2b) is attached. The retaining element (5) has, at least in some areas, a flat surface with a coupling surface (AK), wherein the second thermal sensor element (2b) is attached to the coupling surface (AK) by a contact surface (KF) and is thus thermally contacted. The flat surface of the retaining element lies transversely to the longitudinal axis (LA), and the second thermal sensor element (2b) couples thermally to the probe body (1), in particular exclusively, via the holding device (4).

A system including an air flow detector configured to draw air from an outlet to detect for smoke and to detect if the outlet is blocked; a thermal sensor configured to detect a temperature of air drawn by the air flow detector; a purge unit configured to purge the outlet in response to the air flow detector detecting a blockage at the outlet; and a deluge valve operable to allow fire suppression fluid to be provided to the outlet in response to the air flow detector detecting smoke and / or in response to the temperature detected by the thermal sensor is above a predetermined threshold.

The present patent application relates to an electric motor (1) comprising a modular structure (2) that incorporates four rotor sections: a primary section (3), a secondary section (4), a tertiary section (5), and a quaternary section (6). These sections are arranged in two magnetostatic cells, namely a primary magnetostatic cell (7) and a secondary magnetostatic cell (8), mounted axially and rotated relative to one another by 11.25º. The motor (1) is designed to operate with direct current (DC) at an operating voltage of between 12 V and 25 V, withstanding peaks of up to 50 V for 60 seconds. Its operation is based on repetitive cycles of magnetic attraction and repulsion controlled by an electronic board (P). Aluminium housings (21, 22), in addition to having a structural function, act as heat sinks to reduce heating during operation. The rotor sections (3, 4, 5, 6) are interconnected by a central shaft (EC), which is provided with bearings (10, 19), spacers (11, 13), and a shaft seal (20), ensuring stable rotation and protection against external contaminants. Magnetic commutation is precisely controlled by reflective optical sensors (SO) mounted on the electronic board (P), switching being performed by MOSFET transistors (43) and supervised by a microcontroller (44), responsible for monitoring the temperature of the system by means of digital thermal sensors (47). The motor provides high torque of 5.8 Nm at 25 V and 11.6 Nm at 50 V, exhibiting high energy efficiency and operational reliability, and is suitable for applications in devices that require high performance with low electricity consumption.

This document describes techniques, apparatus, and systems for implementing multispectral object detection with thermal imaging. Thermal sensors, multispectral stereo camera systems, and illumination systems are combined to provide a multispectral object detection system for safety or driving systems of autonomous and semi-autonomous vehicles. The illumination system can provide illumination for the stereo camera system and act as a rangefinder that can determine distances between the stereo camera system and objects in the field of view of the system. The stereo camera system can include one or more of various camera or sensor technologies, including infrared or near-infrared, thermal imaging, or visible light. The system can be used to detect objects in the field of view, determine distances to the objects, and estimate the size and relative motion of the objects. The system can reduce cost and resource usage while enabling accurate and high-quality object detection for safety and autonomous or semi-autonomous control.

This utility model discloses a temperature control component for a CT detector module, relating to the technical field of temperature control components. The proposed solution includes a module bracket, with a module support fixedly mounted at its bottom and a fixed support fixedly mounted at its lower middle section. A detector module is fixedly mounted at the middle of the fixed support. Limiting steps are provided on the left and right sides of the bottom of the module bracket. During use, this structure fully considers the manufacturability of the product. Simultaneously, the component integrates a PI heating film and a thermal sensor, making installation and subsequent maintenance easy. This thermal management system fully utilizes the near-field radiation and convection heating of the PI heating film module, using structural control to ensure consistent distance and uniform module temperature. Closed-loop control of the thermal sensor and fan ensures a constant detector module temperature, thereby guaranteeing stable and reliable X-ray signal reception and processing by the detector module.

A system and method for navigation in complete darkness with thermal imaging and virtual-reality headset provide adjustable-base stereopsis and maintain long-range situational awareness. Such a system includes a multiple-aperture thermal imaging subsystem with non-collinear sensors with parallel optical axes and an image processing device, resulting in a significantly more accurate depth map than perceived with a normal human stereo acuity from a pair of raw thermal images. The stereo-video presented to the user is synthetic, allowing vantage point and stereo-base adjustment; it augments natural objects' texture with the generated one to allow a 3D perception of the negative obstacles and other horizontal features that do not provide stereo cues for the horizontal binocular vision. Additional wide-field-of-view thermal sensors may be used to compare current real-world views with the predicted from the earlier captured 3D data to communicate results to the user and supplement the 3D model with the structure-from-motion algorithm.

A heat sensor circuit includes a sensing pixel, a reference pixel, a sensing unit, and a voltage generation unit. The sensing pixel and the reference pixel are coupled with a first input terminal of the sensing unit. The voltage generation unit includes switch circuits and a voltage divider circuit that is coupled with the switch circuits and coupled between first and second supply voltages. The switch circuits include a first switch circuit outputting a first voltage to the sensing pixel based on the first supply voltage, a second switch circuit outputting a second voltage to the reference pixel based on the first supply voltage, and a third switch circuit outputting a third voltage to a second input terminal of the sensing unit based on the first supply voltage. The sensing unit generates an output voltage based on the current difference between sensing pixel and reference pixel.

A method for determining temperature information for a part of an environment comprises the following steps: - production (E2) of a matrix of temperature values ​​based on measurements taken by a thermal sensor; - identification (E4), within a predefined area of ​​the matrix, of a set of contiguous temperature values ​​within the matrix, contained within a predefined range and whose number is between a first and a second threshold; - upon identification of said set, determination (E6) of the temperature information based on the temperature values ​​of the identified set. An electronic device, an electronic system, and a computer program are also described. Figure for the abstract: Figure 4

The present invention provides a processing circuit including logic cells and a thermal sensor. The thermal sensor is positioned within the logic cells and surrounded by the logic cells, and the logic cells and the thermal sensor are all implemented by core devices.

Ablation electrode assemblies include an inner core member and an outer shell surrounding the inner core member. The inner core member and the outer shell define a space or separation region therebetween. The inner core member is constructed from a thermally insulative material having a reduced thermal conductivity. In an embodiment, the space is a sealed or evacuated region. In other embodiments, irrigation fluid flows within the space. The ablation electrode assembly further includes at least one thermal sensor in some embodiments. Methods for providing irrigation fluid during cardiac ablation of targeted tissue are disclosed that include calculating the energy delivered to irrigation fluid as it flows within the ablation electrode assembly through temperature measurement of the irrigation fluid. Pulsatile flow of irrigation fluid can be utilized in some embodiments of the disclosure.

There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.

There is provided a forehead temperature measurement system including an image sensor, a thermal sensor and a processor. The image sensor is used to output an image frame. The thermal sensor is used to output a thermal image. The processor is used to determine a forehead region in the image frame, map the forehead region to the thermal image and identify a forehead temperature according to a forehead mapped region in the thermal image. The processor further calibrates or compensates the forehead temperature according to an area of the forehead region.

Performing thermal management based on temperature evolution models in processor devices is disclosed herein. In some aspects, a processor device provides a cluster thermal management circuit that is configured to determine power consumption measurements for corresponding functional units of a processor core of a plurality of processor cores of a core cluster. The cluster thermal management circuit also determines temperature measurements by corresponding digital thermal sensors (thermal sensor) external to a point of interest (POI) within the processor core. The cluster thermal management circuit generates a predicted temperature at the POI based on a temperature evolution model that correlates power consumption measurements and temperature measurements with the predicted temperature at the POI. If the cluster thermal management circuit determines the predicted temperature at the POI exceeds a thermal mitigation threshold, the cluster thermal management circuit performs a thermal management operation.

1. Name of the product in this design: Multimodal Acquisition Board. 2. Application of this design: for mounting millimeter-wave radar, high frame rate cameras, and far-infrared thermal sensors. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

A storage container for aseptic storage and freezing of biopharmaceutical compositions includes a frame, an expandable sac, and a sensor system. The expandable sac, in a filled state, is supported within the frame and configured to hold the biopharmaceutical composition therein. The sensor system is attached to the outer surface of the sac. The sensor system is configured to transmit a signal indicating the temperature of the outer surface of the sac, which is correlated with the temperature of the biopharmaceutical composition at a desired location within the expanded sac in the filled state.

A system for predictive modeling of sustainability outcomes using economic time series indicators, wherein the system comprises: a data acquisition unit with a variety of input ports, signal conditioning circuits, and synchronization circuits configured to receive time-indexed economic data streams from external sources and align the received data streams based on a common time reference; a buffer storage unit operationally connected to the data acquisition unit and comprising sequential storage registers configured to store the time-aligned data in an ordered sequence corresponding to the time intervals;a preprocessing unit electrically connected to the buffer storage unit, the preprocessing unit comprising filtering, normalization, and interpolation circuits configured to remove noise, scale the data, and compensate for missing or irregular data points in the stored time-series data; a feature extraction unit coupled to the preprocessing unit comprising vector transformation circuits configured to generate temporal feature vectors from the preprocessed data, including trend components, periodic components, and correlation values;a predictive processing unit consisting of a plurality of interconnected arithmetic processing elements, weighted signal multipliers, accumulation registers and activation circuits arranged in layered connections, wherein the predictive processing unit is configured to receive the temporal feature vectors and generate predictive outputs corresponding to the sustainability results; a temporal dependency processing unit consisting of delay elements, shift registers and sequence alignment circuits configured to preserve historical data dependencies over multiple time intervals and provide temporally extended data to the predictive processing unit;a decision processing unit coupled with the prediction processing unit, comprising comparator circuits, threshold evaluation circuits, and classification circuits configured to categorize prediction outputs into predefined sustainability states; an output interface unit consisting of display drivers, communication transceivers, and memory controllers configured to display and transmit the categorized sustainability states to external systems or display devices;a control processor with clock generators, control signal distribution circuits and bus arbitration circuits, configured to coordinate the operation of the data acquisition unit, the preprocessing unit, the feature extraction unit, the predictive processing unit, the temporal dependency processing unit, the decision processing unit and the output interface unit via a system bus; and a power control unit consisting of voltage regulators, current control circuits and thermal sensor elements configured to ensure stable operation of the system under varying load conditions.

The invention presents a reversible logic gate-based thermal management system with a software-controlled entropy offloading unit (TOU) for high-performance processors. Reversible logic gates are used in high-computation regions to minimize entropy conversion and reduce heat, while non-reversible gates are used in low-computation areas. The system includes a software-controlled entropy offloading module that dynamically transfers excess information entropy from the processor to the TOU. The TOU performs irreversible computations and manages heat through a cascading non-reversible gate structure and modular cooling systems. Real-time thermal sensors and software algorithms monitor processor performance, adjusting offloading rates and cooling mechanisms based on computational loads and thermal data. The system integrates predictive models to forecast future heat generation and proactively adjust entropy management strategies. This architecture ensures efficient thermal regulation and maintains processor performance, with the flexibility to scale for increased computational demands.

A system for intelligent crack detection and crack propagation prediction in concrete structures using multi-sensor data fusion, consisting of: a plurality of sensor units arranged in operational connection with a concrete structure, wherein the plurality of sensor units includes at least one acoustic sensor unit for detecting elastic wave emissions within the concrete structure, at least one strain sensor unit for generating deformation-related signals, at least one vibration sensor unit for generating dynamic response signals, and at least one thermal sensor unit for generating temperature change signals;a signal conditioning unit electrically connected to each of the numerous sensor units, the signal conditioning unit comprising an amplification circuit, a filter circuit, and a noise reduction circuit configured to condition the raw analog signals received from the numerous sensor units; a data acquisition unit coupled to the signal conditioning unit, the data acquisition unit comprising an analog-to-digital converter circuit configured to convert the conditioned analog signals into digital data streams at predefined sampling intervals;a processing unit operationally connected to the data acquisition unit and a storage unit, wherein the processing unit is configured to perform time synchronization of the digital data streams, extract features from multiple domains, including amplitude characteristics, frequency distribution characteristics, energy variation characteristics, and spatial gradient characteristics, and generate a fused structural state representation by correlating the extracted features from the multitude of sensor units; a localization unit operationally connected to the processing unit and configured to determine the spatial coordinates of crack initiation within the concrete structure based on the transit-time differences of signals received from a multitude of sensor units;a prediction unit that is operationally integrated into the processing unit and configured to determine the crack propagation direction, propagation speed, and potential failure zones by analyzing temporal variations in the representation of the molten structural state; and an output interface unit configured to transmit processed structural state data and warning signals indicating crack formation and propagation to an external monitoring device.

A system comprises: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including a drain terminal and a source terminal; one or more phase switches configured to control a current flow between the drain terminal and the source terminal; and a point-of-use controller including two or more thermal sensors on the point-of-use controller, the point-of-use controller configured to determine a temperature of the one or more phase switches using the two or more thermal sensors.

A kind of vacuum adsorption temperature control automatic sample feeding testing device for automobile environmental protection film, rack is respectively fixed with Y-axis walking mechanism and penetration gauge, Y-axis walking mechanism is fixed with X-axis walking mechanism, X-axis walking mechanism is fixed with connecting plate, connecting plate one side is placed on the penetration gauge table and cooperates with the gap of penetration gauge table, vacuum adsorption heating table is fixed on connecting plate;The cooperation of X-axis walking mechanism and Y-axis walking mechanism can drive vacuum adsorption heating table on connecting plate to move back and forth and left and right between penetration gauge table and standard needle, air compressor is connected with vacuum adsorption heating table vacuum adsorption plate bottom plate suction pipe joint through vacuum generator, temperature controller is connected with heat sensor and vacuum adsorption heating table electric furnace wire respectively, programmable servo controller is connected with Y-axis stepping motor and X-axis stepping motor respectively.The present application can realize the cross movement of X-axis walking mechanism and Y-axis walking mechanism, automatic feeding, complete the multi-point test of test sample.

This utility model discloses a portable gas mass flow meter, including a handheld gas mass flow meter body for detecting gas mass flow rate. The top of the handheld gas mass flow meter body is provided with an air inlet mechanism for receiving and discharging gas into the body. The air inlet mechanism is equipped with a dehumidification component for removing moisture from the gas. The dehumidification component includes a transparent box for filling with blue silica gel desiccant particles and an electric heating element for heating the blue silica gel desiccant particles. This utility model effectively avoids interference from moisture in the gas on the sensors (such as thermal sensors, differential pressure sensors, etc.) inside the handheld gas mass flow meter body, reduces problems such as changes in thermal conductivity and sensor corrosion caused by moisture, and significantly improves the accuracy and stability of gas mass flow rate measurement.