摘要:
A hand-held device having a housing and a processor disposed within the housing, includes a camera and a temperature sensing element having an adjustable field of view. The camera is configured to generate an image of an object and to permit the user to frame the image at a portion of the object to determine the temperature of the framed portion. The temperature sensing element includes a plurality of temperature sensors and the processor is configured to select ones of the plurality of sensors to produce a field of view (FOV) of the temperature sensing element that is less than or equal to the frame in the image. The selected sensors are activated to generate signals corresponding to the temperature of the object in the FOV and the processor is configured to determine a sensed temperature based on the sensor signals.
摘要:
A system may include a source of dry ice, a thermal camera, and a computing device. The computing device may be configured to control the source of dry ice to cause dry ice to be introduced into an internal passage of a tested component. The tested component may include debris within the internal passage, and the dry ice may remove at least some of the debris from the internal passage. The computing device also may be configured to receive, from the thermal camera, thermographic image data representative of the thermal response of the tested component and output a representation based on the thermographic image data.
摘要:
A method of measuring the temperature of a sheet material arranged such that it forms at least one side of a cavity, so as to enhance the effective emissivity of the sheet material in the vicinity of the cavity comprises: generating a thermal image of at least part of the inside of the cavity, the thermal image comprising a plurality of pixels each having a pixel value representative of radiation emitted by a respective region of the cavity; identifying a first subset of the pixels whose pixel values meet predetermined criteria; using the identified first subset to determine a line on the thermal image representative of optimal emissivity enhancement in the cavity; and selecting a second subset of the pixels based on the determined line and generating a temperature profile along the determined line derived from the pixel values associated with each of the second subset of pixels.
摘要:
A system may include a source of dry ice, a thermal camera, and a computing device. The computing device may be configured to control the source of dry ice to cause dry ice to be introduced into an internal passage of a tested component. The tested component may include debris within the internal passage, and the dry ice may remove at least some of the debris from the internal passage. The computing device also may be configured to receive, from the thermal camera, thermographic image data representative of the thermal response of the tested component and output a representation based on the thermographic image data.
摘要:
There is provided a method for thermographic analysis of a heat exchanger 100 having at least a primary and a secondary fluid path, the method comprising: heating and cooling of the heat exchanger in a heat exchanger cycle by passing fluid through the heat exchanger fluid paths; capturing a thermographic image of at least a portion of the heat exchanger; analysing the thermographic image; and determining a status of the heat exchanger based on the analysis of the image. There is also provided a system for thermographic analysis of a heat exchanger 100 having at least a primary and a secondary fluid path, the system comprising: a source of fluid 300; a connection for connecting the source of fluid to the heat exchanger 100 such that the fluid may flow through the heat exchanger; an imaging device for capturing a thermographic image of at least a portion of the heat exchanger 100; a data processor for analysing the thermographic image and for determining a status of the heat exchanger 100 based on the thermographic image.
摘要:
Ein Verfahren bezieht sich insbesondere auf die Ausbesserung einer Feuerfestauskleidung eines metallurgischen Gefässes (10) im heissen Zustand. Diese Ausbesserung erfolgt dabei mittels einer Auftragevorrichtung (15). Zudem wird mittels einer Einrichtung (20) eine Erfassung zumindest der verschlissenen Bereiche und eine Überwachung der Ausbesserung durchgeführt. Dabei wird vor, während und/oder nach dem Auftragen zumindest ein Teilbereich der auszubessernden Stellen (13) der Feuerfestauskleidung (12) des Gefässes (10) bzw. der Spritzstrahl (18) fotographisch mit Visualisierung der Temperaturbereiche (26, 27, 28) erfasst und daraus erfolgt eine Auswertung hinsichtlich verschiedener Parameter, wie Eigenschaften, Schichtdicke und/oder Verteilung des Auftragsmaterials. Es hat sich herausgestellt, dass durch diese Visualisierung der Temperaturbereiche der auszubessernden Stellen bzw. des Feuerfestmaterials beim Auftragen verschiedene Parameter sehr genau festgestellt werden können und sich daraus eine optimales Beschichten der Ausmauerung erzielen lässt.
摘要:
A system may include a thermal camera and a computing device configured to receive master image data representative of a geometry and thermal response of at least one of a theoretical component, a fabricated gold standard component, or an average of a plurality of components; receive, from the thermal camera, thermographic image data representative of a thermal response of a tested component; morph the thermographic image data to substantially align with the three-dimensional image data and produce morphed thermographic image data; and output a representation based on the morphed thermographic image data for display.