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180results about How to "Improve inspection effect" patented technology

Substation electrical equipment inspection system and method

The invention discloses a substation electrical equipment inspection system. The substation electrical equipment inspection system includes an aircraft, a triaxial aerial photography holder, an infrared imaging instrument, a camera and a control unit, wherein the triaxial aerial photography holder is installed on the aircraft, the infrared imaging instrument and the camera are arranged in the triaxial aerial photography holder, the triaxial aerial photography holder is provided with a holder movement control mechanism used for controlling the movement of the triaxial aerial photography holder, and the control unit includes an airborne main control unit and a ground control unit, wherein the airborne main control unit is connected with the holder movement control mechanism, the infrared imaging instrument and the camera respectively, and the airborne main control unit is connected with the ground control unit through a wireless communication device. According to the substation electrical equipment inspection system of the invention, the infrared imaging instrument and the camera are installed on the aircraft; acquisition angle positions of the infrared imaging instrument and the camera are adjusted through the triaxial aerial photography holder; infrared temperature measurement can be performed on substation electric equipment through the infrared imaging instrument; the appearance of the equipment is observed through the camera; and therefore, labor intensity can be greatly reduced, and inspection efficiency and accuracy can be improved.
Owner:JINAN UNIVERSITY

Ultra-low-dose X-ray human body security inspection system with double exchange platforms

InactiveCN101858989AReduce power consumptionSolve problems such as uneven movement and poor X-ray scanning imaging effectForeign body detectionNuclear radiation detectionSoft x rayUltra low dose
The invention relates to an ultra-low-dose X-ray human body security inspection system with double exchange platforms, the system comprises an X-ray source, a collimation part, an inspection channel, an X-ray detector, an image acquisition and processing device, a control device and an operation console, wherein the inspection channel comprises an inlet, an outlet and a mobile inspection platform, the mobile inspection platform is a dual-circulation platform and comprises a first platform, a second platform, two upper tracks, two lower tracks, a platform driving mechanism, a platform lifting link mechanism and a base, the first platform and the second platform are respectively movably mounted on the upper tracks and the lower tracks and move along the reverse directions of the upper tracks and the lower tracks under the drive of the platform driving mechanism arranged on the outer side, and the upper and the lower positions of the first platform and the second platform on the lower tracks and the upper tracks are exchanged through the platform lifting link mechanism after running in place at each time. The ultra-low-dose X-ray human body security inspection system can double improve the inspection capacity and the customs clearance efficiency, have smooth running, good linearity and uniform movement speed and greatly improve the X-ray inspection imaging quality.
Owner:SHENZHEN LIMING ADVANCED IMAGING TECH

Communication optical cable patrolling method based on radio frequency identification and GPS positioning

The invention relates to a communication optical cable patrolling technique and particularly relates to a communication optical cable patrolling method based on radio frequency identification and GPS positioning. According to the communication optical cable patrolling method, a distribution map of an electric optical cable and a spatial distribution map of patrolling points are overlapped to establish an integrated patrolling GIS application map according to a GIS geographic information map of an electric power system, so that the operation is visualized, the information of the electric optical cable is complete and accurate, and the patrolling efficiency and the patrolling effect of the electric optical cable are greatly improved; by associating the electric optical cable with the corresponding patrolling points, the data settings for associating the patrolling points with the electric optical cable and filling addresses are omitted, and the patrolling efficiency is improved; an automatic selection technique on the patrolling points of the electric optical cable based on the combination of patrolling point identification and GIS spatial trend analysis is realized, and after a patroller patrols one point, the patrolling point closest to the current position is marked on the map by the system, so that the patrolling effect is improved, and a patrolling task can be efficiently and completely finished; meanwhile, by virtue of the combination of GPS and radio frequency identification information, the patrolling dead point is avoided, and the comprehensive patrolling effect is achieved.
Owner:STATE GRID CORP OF CHINA +2

An efficient algorithm for detecting small defects in high resolution cloth images

The invention relates to an efficient inspection algorithm for small defects in high-resolution cloth images, which comprises the following steps: (1) collecting images through a camera, and labelImgtool images are used for labeling; 2) dividing that processed image into a training set and a t set, wherein the training set is used for training the inspection model, and adopting the t set to evaluating the performance of the inspection model; (3) inputting the training set image and the corresponding category information position information into the improved se- Resnext101 test model, training test model; (4) After training, adopting the inspection model to process the images in the test set to obtain the approximate position and the corresponding category of the defects. The method of the invention can realize the processing of the multi-scale characteristic map to the single-resolution input image, thereby processing the multi-scale image block, so as to adapt to a plurality of defects of different sizes, and greatly improve the detection accuracy and speed; and the method of the invention can realize the processing of the multi-scale characteristic map to the single-resolutioninput image. At that same time, the algorithm can obtain the approximate position of the defect on the image classification frame and deal with the situation that there are many defects in the image.
Owner:SUN YAT SEN UNIV

Offshore wind power intelligent inspection system

The invention discloses an offshore wind power intelligent inspection system which comprises a buoy and an unmanned aerial vehicle take-off and landing recovery platform. The side surface of the buoyis fixedly provided with a water jet propulsion device, and the water jet propulsion device is composed of a water jet propeller and a protective cover; the two sides of the upper surface of the buoyare connected with a deck through a front damping device and a rear damping device correspondingly, an underwater inspection device is fixedly installed on the lower surface of the deck, and the unmanned aerial vehicle take-off and landing recovery platform is fixedly installed in the middle of the upper surface of the deck; and an intelligent unmanned aerial vehicle is correspondingly arranged atthe upper end of the unmanned aerial vehicle take-off and landing recovery platform. According to the offshore wind power intelligent inspection system, a novel structural design is adopted so that the device can enable an intelligent unmanned aerial vehicle and an unmanned ship to work cooperatively, the detection range of equipment is expanded, the unmanned ship operates autonomously through awater jet propulsion structure, and the cruising efficiency is improved; and an anti-wave structure is arranged in the device, and the relative stability of the unmanned ship in the cruising process is improved.
Owner:GUANGDONG OCEAN UNIVERSITY

Method and system for testing saturation of current transformer

The invention relates to a method and system for testing the saturation of a current transformer. The method comprises the following steps: reading a rated primary current, a rated secondary current, a rated secondary capacity and an accuracy limit factor; obtaining a load resistance, a winding resistance, an inflection point voltage and the maximum short-circuit current; according to the rated secondary current, rated secondary capacity, the accuracy limit factor and the winding resistance, calculating the secondary limit voltage value; according to the inflection point voltage, the maximum short-circuit current, the rated primary current, the rated secondary current, the load resistance and the winding resistance, calculating a transient factor corresponding to the maximum short-circuit current; according to the accuracy limit factor, the rated primary current and the rated secondary current, calculating a 80% rated accuracy primary limit current value of the current transformer; when the secondary limit voltage value is less than the inflection point voltage, the 80% rated accuracy primary limit current value is more than the maximum short-circuit current, and the transient factor is more than the preset factor, determining that the test on saturation of the current transformer is passed.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID

Integrated mammary gland infrared diagnostic device with camera shooting function

The invention discloses an integrated mammary gland infrared diagnostic device with the camera shooting function. The integrated mammary gland infrared diagnostic device comprises a shell (5) and is characterized in that an infrared camera (1), a mammary gland infrared diagnostic probe (11) and an infrared light diode (6) for providing infrared light for the infrared camera (1) and the mammary gland infrared diagnostic probe (11) are installed on the shell (5), the infrared camera (1), the mammary gland infrared diagnostic probe (11) and the infrared light diode (6) are all connected with a control board (9) installed in the shell (5) electrically, and the control board (9) is electrically connected with a control panel (4) and connected with an image processing system through a connecting wire (10). According to the integrated mammary gland infrared diagnostic device, the camera and a mammary gland diagnostic device body are creatively combined, clinical examination can be conveniently carried out, an examination doctor only needs to operate the infrared probe with one hand to be capable of completing examination and image collection on the mammary gland tissue, and the examination efficiency and the examination effect are improved.
Owner:江苏雷奥生物科技有限公司

Ground object target detection method of low signal-to-clutter ratio synthetic aperture radar image

The invention relates to a low signal-to-clutter ratio two-dimensional radar image target detection method. The method is characterized by through profile transformation, selecting a decomposition coefficient characteristic, restraining an influence of an inherent speckle noise of a SAR image and increasing a signal to noise ratio of the SAR image; extracting characteristic information of different directions and acquiring a target edge details and geometrical information; extracting the different decomposition coefficient characteristics so as to carry out fusion processing, improving a gap between a target characteristic value and a background characteristic value and increasing a target detection capability and a false alarm resistance capability. The invention discloses the target detection method which can be used to effectively process a low signal-to-clutter ratio SAR image; a direction decomposition number of each decomposition scale can be designed arbitrarily; detail information of a low-frequency characteristic sub-graph and a plurality of high-frequency characteristic sub-graphs can be acquired so that a small target, a hidden target and a weak scattering target which can not be detected by using a general method can be easily detected; a high false alarm resistance capability is possessed so that an inspection effect of the target is effectively increased.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY

Dark field illumination objective lens apparatus

ActiveCN101414056BGuaranteed exposureEnable dark field illuminationMicroscopesEyepieceEffect light
The invention relates to a dark view field object lens device which illumines the observed objects at the dark view field and used in a dark view field microscope utilizing the scattering and diffraction of the objects to observe. More particularly, the invention relates to a lighting and mounting structure of the dark view field object lens device. The object lens contains an inner cylinder and an outer cylinder. A combination of lenses used for imaging is installed inside the inner cylinder; an LED illuminating apparatus which is arranged in a ring shape and takes an LED original piece as light source is arranged at the outer side of the outer cylinder. In addition, an optical element which is arranged between the LED original piece and the observed objects transforms the light of LED in a meridian plane into parallel light and leads the parallel light to light the observed objects in an inclined way. The light emitted by the LED original piece is transformed into parallel light to light the observed objects in the meridian plane. After the image of the light scattered and diffracted by the observed objects is formed by an imaging object lens, the image is processed after being observed by using an eyepiece and shot by a camera. Screw thread is arranged at the periphery of the end part of the inner cylinder of the dark view field object lens device, so that the dark view field object lens device can be directly installed on a change over panel of a bright field microscopical. Therefore, the bright field microscopical can be directly switched for the observation of the dark view field.
Owner:南京东利来光电实业有限责任公司

Automatic inspection equipment for rail vehicle roof and inspection method thereof

The invention discloses automatic inspection equipment for rail vehicle roofs. The automatic inspection equipment for the rail vehicle roofs is characterized in that the automatic inspection equipmentcomprises an inspection robot (1), inspection tracks (2), a cross-track track (3), and a cross-track turntable (4); the cross-track track is disposed between the adjacent inspection tracks (2); the cross-track turntable (4) is arranged on a vertical and horizontal node; the inspection robot (1) is suspended and operates below the inspection track (2) to inspect the roofs of rail transit vehicles;the inspection robot (1) switches to other inspection tracks through the cross-track track (3) and the cross-track turntable (4). The automatic inspection equipment for the rail vehicle roofs has theadvantages of adopting the inspection robot to realize inspection of various equipment on a special track, such as the top of a vehicle body, pantograph, and ventilation and air conditioning, achieving cross-track inspection, enabling the same set of inspection equipment to be shared by multiple tracks, and achieving the purposes of improving inspection efficiency and effectiveness and reducing labor intensity.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Gynecological examining bed convenient to use

The invention discloses a gynecological examining bed convenient to use and relates to the technical field of gynecological examining beds. The gynecological examining bed comprises a bed plate. The two sides of the bottom of the bed plate are fixedly connected with a first supporting leg and a second supporting leg correspondingly; one side of the first supporting leg is fixedly connected with atransverse plate, and the top of the transverse plate is rotatably connected with a rotating shaft; and the surface of the rotating shaft is fixedly connected with a first gear, one side of the firstgear is engaged with a second gear, and the axis of the second gear is fixedly connected with a lead screw. According to the gynecological examining bed convenient to use, necessary equipment is mounted on the examining bed, thus medical personnel use the necessary equipment conveniently in the examining process, the examining effect is improved advantageously, meanwhile, the sanitary effect is improved, and the practicability of the examining bed is greatly improved; the body posture of a patient is conveniently adjusted, and thus the medical personnel examine the patient conveniently; and the structure is simple and reasonable, using is flexible and convenient, and the using effect of the examining bed is improved.
Owner:吴法贵

Electronic surgical instrument counting table and counting system

The invention provides an electronic surgical instrument counting table and relates to the technical field of medical assistance. The electronic surgical instrument counting table comprises a countingtable body, and RFID readers, a communication module and a power supply module which are arranged on the counting table body, wherein the power supply module is electrically connected with the RFID reader and the communication module; the communication module is in communication connection with the RFID reader; the counting table body comprises at least one instrument storage plate; and a plurality of RFID readers are arranged on the instrument storage plate. The invention further provides an electronic surgical instrument counting system, which comprises an electronic surgical instrument counting table, a surgical instrument and an information processing terminal. The information processing terminal is in communication connection with the communication module. The system has the following beneficial effects that: the accuracy of instrument counting is obviously improved, the instrument counting time is obviously shortened, the accuracy of instrument integrity inspection is much higher than that of existing manual naked eye inspection, the safety protection performance of surgical instruments is greatly improved, and the safety of a surgical patient in the perioperative period iseffectively guaranteed.
Owner:LONGHUA HOSPITAL SHANGHAI UNIV OF TRADITIONAL CHINESE MEDICINE

Improved Offner optical system for detecting ultra-large-aperture concave aspheric mirror

The invention discloses an improved Offner optical system for detecting an ultra-large-aperture concave aspheric mirror. Light emitted by a detection device is transmitted through a first compensationlens and a second compensation lens to a to-be-detected concave aspheric mirror, self alignment is performed, and then the processed light returns. The optical system selects a large incident light aperture angle and a first compensation lens bears a large aspheric normal aberration, thereby greatly improving the compensation capability; and the aspheric spherical aberration balance is realized under the condition of a small aperture ratio. The ratio of the caliber of the compensator to the caliber of the detected aspheric surface is very small and is only 0.025. With a two-piece compensatorstructure, the number of compensating lenses is small; on the basis of a full spherical design, the design limitation that a compensating system is aspheric for checking a large-caliber aspheric surface is broken through; the scheme is simple and the machining period is shorter; the image quality of an inspection light path is excellent; the wave aberration reaches a PV value superior to 0.1 lambda; and the improved Offner optical system is suitable for high-precision aspheric surface shape machining. Because of the improved Offner testing, the aspheric mirror testing of 14-m ultra-large aperture and ultra-large relative aperture of 1 to 1.43 can be realized.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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