A system for monitoring a switchgear includes an infrared camera; a processing unit; and an output unit. The infrared camera acquires a first infrared image having a first number of pixels, and the processing unit determines a pixel in the first infrared image with a maximum temperature. The processing unit utilizes a second number less than the first number to determine a temperature interval for the first infrared image equal to a difference between the maximum temperature in the first infrared image and a threshold temperature in the first infrared image. The processing unit is configured to determine that a hot spot exists in the switchgear using the temperature interval for the first infrared image.

A system for detecting an hotspots can include: at least one infrared imaging sensor; and an imaging analysis computer operably coupled with the at least one infrared imaging sensor. The imaging analysis computer can be configured to control any infrared imaging sensor and acquire infrared images therefrom at any rate and in any duration. The imaging analysis computer can be configured to analyze the infrared images in order to detect temperatures and identify hotspots. The temperature and hotspot information can be used to control a cooling system that can spray water on and around hotspots for temperature control.

A system and method for monitoring a device includes a temperature sensor, a processing unit, and an output unit. The temperature sensor acquires a temperature measurement during a heat-up phase of a component and provides a temperature measurement to the processing unit, which selects a simulated transient temperature distribution of the simulated component of the simulated device from a plurality of simulated transient temperature distributions of the simulated component of the simulated device. The selection comprises a comparison of the at least one temperature measurement with the plurality of simulated transient temperature distributions at an equivalent time point in the simulated heat-up to a time point at which the temperature measurement was acquired. When a hot spot is developing an output unit outputs an indication of a fault associated with the component.

A system for monitoring a switchgear includes: an infrared camera for acquiring at least one infrared image of the switchgear; a processing unit for determining a pixel in the at least one infrared image associated with a hottest temperature, determining e pixels in the at least one infrared image associated with a temperature that is within a threshold temperature of the hottest temperature, and determining that a hot spot exists in the switchgear as a determination, the determination being a utilization of the determined pixels in the at least one infrared image; and an output unit for outputting an indication of a fault in the switchgear based on the determined hot spot.

A method for correcting thermal image distortion in a thermal camera in an apparatus for the layer-by-layer manufacture of three-dimensional objects, the thermal camera comprising a plurality of sensor pixels arranged along a first direction; the method comprising the steps of: (a) causing a temperature reference to be at a first steady state temperature; (b) moving the temperature reference at the first steady state temperature through a plurality of positions along the first direction through the field of view of the thermal camera; (c) recording a plurality of thermal images with the thermal camera while moving the temperature reference during step (b), each thermal image corresponding to one of the plurality of positions and comprising the detected temperature of the temperature reference as detected by at least one pixel of the plurality of sensor pixels; (d) identifying the at least one pixel that detected the temperature of the temperature reference within a respective thermal image at the corresponding one of the plurality of positions; (e) constructing a thermal map from the identified pixels representing the detected temperature of the temperature reference at the plurality of positions; (f) generating a correction matrix for the identified pixels based on comparison between the thermal map and the first steady state temperature; and (g) applying the correction matrix to subsequent measurements of the thermal camera. A controller and an apparatus for the layer-by-layer manufacture of three-dimensional objects comprising the controller to carry out the method are also provided.

A system includes a first printed circuit board (PCB), a temperature sensor, a switching circuit provided on the first PCB, and a controller. The temperature sensor is configured to measure temperature of at least an area of the first PCB. The controller is configured to trigger the switching circuit to turn off power to the first PCB, based at least in part on the temperature sensor detecting a temperature above a temperature threshold. The system is able to disrupt power much faster than conventional methods of power protection which may have a blind spot to certain areas of the first PCB, since these methods rely on power disruption when a maximum power is sensed.

A thermal imaging system for a cooking appliance is capable of being calibrated for any arrangement of cooktop burners disposed on a surface of a cooking appliance. A thermal imaging system can be calibrated by processing a received thermal scan of a surface of a cooking appliance having a particular cooktop arrangement to identify a plurality of cooktop burners on the surface of the cooking appliance for the particular arrangement, determine a number of cooktop burners in the particular arrangement, and determine one or more locations of the cooktop to assign to each of the cooktop burners. Further, the determined one or more locations assigned to each of the cooktop burners can be stored in association with a respective cooktop burner. Once calibrated, the thermal imaging system can calculate a temperature for each of the cooktop burners to be used in performing subsequent control and/or safety functions.

A thermal image auxiliary processing method includes the following steps. A reference part is prepared. A reference positioning point or a reference positioning surface is established with the reference part. A cutting tool or a grinding tool is positioned with the reference positioning point or the reference positioning surface. According to a thermal image, a determined positioning point or a determined positioning surface is obtained. Through the above method, the present disclosure can be used for auxiliary positioning and wearing measurement of the cutting tool or the grinding tool, as well as for measuring the size, the angle or flatness of an object to be measured. Therefore, the present disclosure can avoid the problems of increased equipment downtime and realign errors caused by manual and visual measurement.

According to one embodiment, a generation device acquires a plurality of images of a temperature distribution of a conveyance object. The images are generated by a thermal camera. The generation device sets a plurality of measurement areas in each of the images along a conveyance direction of the conveyance object. The generation device generates time-series data of temperature change over time for each of the plurality of measurement areas. The generation device generates a temperature profile of temperature change over time of the conveyance object by using a portion of temperatures extracted from the time-series data of the plurality of measurement areas.

Systems and methods are described for securely monitoring a shipping container for an environmental anomaly using elements of a wireless node network of sensor-based ID nodes disposed within the container and a command node associated with the container. The method has the command node identifying which of the ID nodes are confirmed as trusted sensors based upon a security credential specific to each of the ID nodes; monitoring only the confirmed ID nodes for sensor data broadcast those ID nodes; detecting the anomaly based upon the sensor data from at least one of the confirmed ID nodes; automatically generating an alert notification related to the detected environmental anomaly for the shipping container; and transmitting the alert notification to the external transceiver to initiate a mediation response related to the detected environmental anomaly.