1901 results about "Infrared thermal imaging" patented technology

The invention discloses a thermal image device and a shooting method for the thermal image, and relates to the thermal image device and the field of application of infrared thermal imaging detection. According to the thermal device in the prior art, the shooting part, angle and distance of an object to be shot are selected according to subjective experience of a user during shooting; and the thermal device in the prior art is low in shooting speed, key shooting parts are missed, and the positions, sizes and angles of thermal images of similar objects which are to be shot and shot each time in infrared thermal images are almost different, so the effect of state estimation of the thermal image is influenced. According to the thermal image device and the shooting method, a specified position and size are displayed in the infrared thermal image, and the reference image of the predetermined morphological characteristics of the object to be shot is showed, expected thermal image quality of the object to be shot and the visual reference required by the shooting are provided for the user, the user is assisted in correctly grasping the imaging state and the shooting distance of the thermal image of the object to be shot, the technical requirement on the user is reduced, shooting speed is improved, and the estimation quality of the thermal image is improved.

The invention relates to a leakage source detecting device based on infrared thermal imaging processing, and the leakage source detecting device comprises an infrared thermal imaging camera and a microprocessor, wherein the microprocessor is used for analyzing, processing and judging damage conditions, leakage points, leakage zones and leakage degrees of walls of buildings or containers according to the thermal images, shot by infrared thermal imaging camera, of the walls or containers and relative input information, and the infrared thermal imaging camera is used for scanning a preprocessed detected object so as to obtain the temperature distribution information of the surfaces of the walls or the containers. The software of the microprocessor mainly comprises an infrared thermal imaging acquiring unit, an infrared thermal imaging preprocessing unit and a leakage quantitative detecting unit, and the software of the microprocessor analyzes the temperature field to the object to be detected through a digital image processing technology to judge whether the object to be detected has the defect of leakage or not. The leakage source detecting device provided by the invention can be used for not only rapidly detecting the existing of the leakage defect, but can also accurately detecting the leakage zone and degree and the influence scope. The leakage source detecting device provided by the invention provides an assessment method for leakage defects.

The invention is a video frequency real-time displaying control device for infrared heat imaging image and visible image. The device includes a computer, an infrared heat imaging device, visible camera whose field angle can match with it; there has a video collecting card on the interface slot of the computer, the infrared image device and the visible camera are fixed on the same platform; there stores control, temperature measuring, image processing and displaying procedure model, it can remote control the platform, the infrared heat device and the visible light camera, they can be rotated synchronously, the field angles of the posterior two match, and makes the heat imaging image and the visible light image can coincided with the coordinate of the computer monitor. The invention can carry on real-time memorization, displaying, imaging, and playbacks the heat imaging image and the visible light image, it also can display the temperature valve and position coordinates of the object, it also has merits of infrared imaging and visible light image.

The invention discloses a pulsed eddy current infrared thermal imaging detection system and method for steel rail cracks. The system comprises an excitation device, an induction heating device, an infrared thermal imager and a PC, wherein the induction heating device is used for generating a pulse current signal; the pulse current signal is exerted to a tested part through the excitation device; eddy current is induced from the surface of the tested part and a thermal effect is generated, so that the surface temperature distribution changes; the infrared thermal imager is used for recording the surface temperature change process of the tested part and transmitting to the PC to process and analyze. The pulsed eddy current infrared thermal imaging detection system is characterized by also comprising a synchronous trigger control circuit, which is used for synchronously controlling the excitation and recording time of the induction heating device and the infrared thermal imager, so that the heating and cooling processes after complete induction of the tested part are accurately recorded; and the condition that the PC obtains accurate data to analyze and treat is ensured. The pulsed eddy current infrared thermal imaging detection system is high in detection efficiency and high in image resolution ratio; excitation of an excitation source and the infrared thermal imager can be synchronously carried out; and the detection result is not affected by human factors.

The invention provides a five-dimensional early-warning system based on artificial intelligence multi-factor panoramic monitoring detection. The system comprises at least one front-end artificial intelligence multi-factor panoramic monitoring detection device and a center management device; each front-end device comprises a central control processing unit, a camera team connected with the centralcontrol processing unit, a multi-factor sensor, a communication module, a mobile terminal and an interface unit; the multi-factor sensor comprises a brightness light intensity sensor, a temperature and humidity sensor, a rainfall sensor, a wind speed and direction sensor, and a comprehensive gas sensor; the camera team comprises multiple zoom cameras and an IPC infrared thermal imaging camera; thecentral control processing unit mainly accomplishes the operations of performing mosaic fusion and data collection, logic operation and logic control output on the received image information according to a mosaic algorithm; the center management device performs field five-dimensional pattern real-time display through a big data cloud processing platform. Five groups of video streams are output tothe external, thereby supporting a 180-DEG or 360-DEG panoramic seamless mosaic video stream.

This invention provides an on-line test for chip solder joints and a package device including a test platform, an image collecting device, an image processing device and a front interface, in which, said platform for processing chips and testing samples is connected with the chip package device via the front interface and is capable of heating the sample, said image collecting device is set above the platform and set with an infrared thermal imaging system to pick up thermal images of the sample, said image process system includes a central processor for processing the thermal images of the sample picked up by the collecting image to judge solder joints of the sample.

The invention relates to a robot for performing fire source location and fire extinguishment based on binocular vision. The robot includes a front end camera module, an image acquisition module, a data processing and control module, a fire extinguishing device module, a wireless transmission module and a robot carrier; the front end camera module is composed of an infrared thermal imaging instrument and a low-illumination visible light camera; the image acquisition module analyzes infrared thermal imaged images, and transmits infrared and visible light images corresponding to a certain region to the data processing and control module if finding that the region accords with fire source characteristics; the binocular ranging unit of the data processing and control module performs 3D coordinate positioning on the region, and transmits positioned 3D coordinates to a control unit; and the fire extinguishing device module comprises a fire extinguishing gun for spraying fire extinguishing materials. With the method and robot for performing fire source location and fire extinguishment based on binocular vision provided by the invention adopted, the robot can replace people to perform dangerous chemical warehouse supervision, intelligent analysis on fire source locations and accurate fire extinguishment on fire sources.

The invention relates to an infrared two-point non-uniform calibrating method based on a frame black body field diaphragm, belonging to the field of infrared thermal imaging. The method comprises the following steps of: arranging an automatically-telescopic frame black body field diaphragm on a diaphragm of an infrared thermal imager and performing two-point calibration under a frame to obtain a gain calibration factor and an offset calibration factor of a detection unit under the coverage of a frame black body; acquiring f frames of initially-calibrated images respectively on two scenes to obtain f-1 groups of inter-frame displacement parameters on every scene; and acquiring calibration parameters of f-1 groups of images with inter-frame displacement on an internal detection unit by adopting an algebraic method, and averaging the frames to obtain finial calibration matrixes G and 0 for calibrating the entire field of a subsequent infrared video. The method has the advantages of rapidness, self-adaption and system miniaturization, and can be applied to the fields of designing, production and manufacturing of refrigerating and non-refrigerating infrared focal plane detector thermalimaging systems, satellite infrared thermal imaging systems, infrared alarm systems, scientific researches and the like.

The scheme of the invention discloses a vehicle assistance driving system based on the infrared thermal imaging and millimeter wave radar technology. The main functions include pedestrian and vehicledetection, image and sound fusion and collision early warning in driving of the vehicle. The early warning system uses the following technical characteristics: the infrared camera and the millimeter wave radar specialized for vehicle-mounted assistance driving, the data acquired by the radar, such as the distance, the direction and the speed and the images acquired by the infrared camera are fusedfor screening and determining the pedestrians or the vehicles, the pedestrian or vehicle characteristics are extracted through the algorithm, finally the result is displayed on the visual interface and multidimensional early warning information including images, numbers and sound is provided.

The invention provides a method for measuring thickness or defect depth by a pulse infrared thermal wave technology, comprising the following steps of (1) heating an object to be measured by pulse heating equipment; obtaining a thermographic sequence on the surface of the object to be measured by an infrared thermal imaging device; memorizing the thermographic sequence in a general memory; (2) multiplying a temperature-time curve of each point in the thermaographic sequence with corresponding time, thus obtaining a new curve f; (3) working out first-order differential on the f; and obtaining a peak time tapst; (4) working out L by a formula, wherein Alpha is thermal diffusion coefficient and L is the thickness or the defect depth of the object to be measured. By adopting the technical scheme, the thickness or detect depth of a part to be measured can be measured, a reference curve is not needed, and only one-order differential treatment is needed for the measurement, so that the processing method is simpler.

The invention provides a welding quality monitoring system and method. The welding quality monitoring system comprises a welding gun, a thermal infrared imager, an image capture card and an image processing computer. The welding gun is used for welding welding spots. The thermal infrared imager is used for recording molten bath infrared thermal imaging data of the welding spots. The image capture card is used for collecting the molten bath infrared thermal imaging data and sending the molten bath infrared thermal imaging data to the image processing computer. The image processing computer is used for analyzing the molten bath infrared thermal imaging data to obtain welding parameters, comparing the welding parameters with preset welding standards and obtaining a welding spot quality estimation result. In this way, by the adoption of the welding quality monitoring system and method, online monitoring of automatic welding quality can be achieved, the monitoring efficiency and monitoring quality are improved, and the missing inspection rate is reduced.

The invention discloses a tunnel structure leaked water precise identifying device and method based on infrared thermal imaging, and mainly solves the problem of imprecise area calculation caused by inaccurate leaked water profile detected by traditional single visible light images in traditional tunnel structure leaked water detection. A data acquiring device comprises an infrared thermal imager,an industrial camera, a light feeding device, a synchronous control card, a laser distance measurer, a distance measuring wheel device, an industrial personal computer and a power supply system. Thetunnel structure leaked water identifying method uses the infrared thermal imager and the industrial camera for respectively acquiring infrared thermal images and visible light images of tunnel structures, firstly extracts out leaked water center areas according to the principle of lower temperatures of leaked water areas in the infrared thermal images, widens the range to extract the leaked waterareas from the same areas of the visible light areas, uses temperature information in the infrared thermal images for correcting the area profiles extracted from the visible light images, and finallycalculates the areas to solve the problem of inaccurate identification of leaked water areas in the prior art.

The invention relates to an intelligent infrared thermal imaging device and inspection method for online inspection of power grid equipment, including an infrared temperature measurement back clip for collecting infrared data and an intelligent terminal, and the infrared temperature measurement back clip and the intelligent terminal communicate with each other; Relying on the huge equipment basic ledger system of the power production management system, electronic identification (RFID electronic tags, barcode labels) and location information (GPS, etc.) are used as means to identify the identity information of power grid inspection equipment, and infrared thermal imaging is used as The means of information collection, the inspection results are transmitted to the power production management system. The invention has a reasonable structure, is convenient to use, and improves the working efficiency of the power grid patrol inspection. Through information technology means (automatic identification of tags, automatic upload of inspection results, etc.), the workload of manual records and entry systems of inspection personnel is reduced, the consumption of working hours and the number of personnel are greatly reduced, and work efficiency is improved.

The invention discloses a material defect infrared thermal imaging detection and targeted elimination method in laser metal forming. In laser metal forming, after layers with fixed interlayers are produced, a workbench is controlled by a computer to move in the horizontal direction at a constant speed, thus an infrared thermal imaging detection lens can move in the horizontal direction above the imaging plane and carries out non-contact scanning and photo-taking by utilizing the residual heat of metal parts, and then the infrared thermal imaging detection images are analyzed online to calculate the coordinate azimuth of the metal forming plane. The computer control laser beams to target-melt the detected defects so as to eliminate the defects; after laser re-melting, an infrared thermal imaging detector is used to re-examine the metal forming surface to confirm the defect elimination effect. The provided method solves the problems that the defects on micro materials cannot be detected online and eliminated, effectively improves the using performance and service safety of laser formed metal parts, and reduces the risk of fatigue breakage.

The invention provides a large-area farmland crop water status monitoring method based on unmanned aerial vehicle infrared thermal image acquisition. The method comprises the following steps: 1)arranging auxiliary devices in the field, that is, field air temperature sensors and a ground full-evaporation reference surface; 2) carrying out large-area infrared image acquisition on farmland corps through an infrared thermal imaging system fixed to an unmanned aerial vehicle through a pan-tilt, and synchronously triggering a GPS module to obtain positioning information of the corresponding images; and 3) receiving by a ground data processing system the infrared images and the positioning information, carrying out image registering, splicing and segmentation on the images, extracting spatial distribution of canopy temperature and ground full-evaporation reference surface temperature, calculating the temperature of leaves when the stomas of the crops are fully closed, and finally, calculating water deficit index of the crops and carrying out highlighted display and early warning on the areas, where the water deficit index of the crops is higher than a critical value. Besides, the invention also provides a system suitable for the method. The method and system are suitable for large-area farmland crop water status monitoring, facilitate to realize agriculture precision irrigation and improve agricultural modernization level.

The invention provides a coal-gangue separation system and a separation method. The coal-gangue separation system is mainly formed by a flow-dividing device, a dual-vision identification device, a control device and mechanical arm gripping devices. The flow-dividing device is provided with multiple stages of adjustable flow-dividing baffle plates; through reasonably flow-dividing a coal-gangue flow, the approximate positions of coal and gangues can be determined, and the positioning and control cost is reduced; the dual-vision identification device adopts infrared thermal imaging identification and gray degree identification, and data parameters obtained through sampling are transmitted to the control module, so that the difficulty in identification and positioning is reduced, and the identification rate is improved; through two different identification ways, the evitable phenomena such as missing and wrong choosing are reduced; and a PLC (Programmable Logic Controller) is adopted to control three-degree-of-freedom mechanical arms to follow-up grip, and two-claw manipulators are arranged in fixed runners, so that the identification efficiency and the gripping efficiency of the coal and the gangues are higher, the control method is simpler, and an inertial impact force of the coal-gangue flow caused by excessive speed is reduced during a follow-up process.

The invention discloses a system for predicting the fatigue limit of a magnesium alloy member based on infrared thermal imaging, and a method thereof. The system comprises: fatigue tester jigs (1); a fatigue test piece (2) comprising a magnesium alloy base material and a welded joint test piece; a fatigue test control system (3); a fatigue test system (4) used for the fatigue test of the magnesium alloy base material and the welded joint test piece to obtain a magnesium alloy fatigue limit under a cycle frequency of 10<7 >; an infrared temperature measurement system (8) for obtaining the surface temperature change curve of the fatigue test piece (2) in the fatigue test process and recording the temperature change data of the fatigue test piece (2) in the fatigue process; and a comprehensive analysis system (5) applying origin software to compare the obtained magnesium alloy fatigue limit with a fatigue limit obtained through routine fatigue tests in order to judge the measurement accuracy. The system and the method can be used for estimating the dangerous point and the fatigue limit of a welding structure in service.

The invention discloses an infrared detection system with a wide-angle infrared thermal imaging lens, which belongs to the technical field of infrared thermal imaging and comprises a wide-angle thermal infrared imager with the wide-angle infrared thermal imaging lens and a diagnosis bed body for patients to lie on flat, wherein the wide-angle infrared thermal imaging lens of the wide-angle thermal infrared imager is arranged over the diagnosis bed body, and the wide-angle thermal infrared imager and the diagnosis bed body can slide relatively and horizontally. The infrared detection of different types of patients is facilitated, and the accuracy of infrared imaging is improved with the adoption of the thermal infrared imager for the short-distance infrared imaging and the flat-lying infrared detection. In addition, with the adoption of the wide-angle infrared thermal imaging lens, half-body imaging just needs 1.5m; as an imaging distance is shortened, a thermal transmission loss is reduced greatly, and thermal imaging signals are intensified; compared with the traditional thermal infrared imager, the imaging quality is improved by more than 9 times, the system is easy to popularize, the required operating space is small, the imaging environment is easy to control, and the system is easy to popularize and implement and low in cost.