30results about How to "Avoid detection blind spots" patented technology

The utility model relates to the technical field of welding quality detection, in particular to an integrated rapid welding detection device for pore analysis and automatic interpretation, which comprises a detection table, a controller, a detection mechanism and an adjusting disc, an adjusting plate is arranged between the adjusting disc and the detection table, a rotating mechanism is arranged between the adjusting plate and the adjusting disc, and the rotating mechanism is connected with the detection table. A displacement mechanism is arranged between the adjusting plate and the detection table, a fastening plate is arranged on the adjusting disc, a T-shaped groove is formed in one side of the fastening plate, an iron plate is arranged on the T-shaped groove, a T-shaped block is arranged on the T-shaped groove, a clamping assembly is arranged at one end of the T-shaped block, an electromagnet is embedded into the other end of the T-shaped block, and a clamping assembly is arranged on the other end of the clamping assembly. According to the structure, the adjusting disc can rotate by 360 degrees in the detection process through the rotating mechanism, it is ensured that each angle of the welding position can be comprehensively detected, and detection blind areas possibly existing in a traditional method are avoided.

The utility model discloses a photovoltaic cell EL defect sorter, and relates to the technical field of sorters. Comprising a sorter main body, the sorter main body is provided with a photovoltaic cell EL defect detection mechanism, the detection mechanism comprises a moving assembly, the moving assembly comprises an opening groove formed in the top end of the sorter main body, a positioning rod is fixed to the inner wall of the opening groove, and a sliding rail support is slidably connected to the outer wall of the positioning rod; after the camera lens is detected, the protective shell is screwed on the bolt rod on the outer side of the camera lens, the camera lens is protected through the protective shell, external physical collision and scraping can be effectively resisted, tools, parts and other hard objects are prevented from directly impacting the lens under the daily operation, maintenance or unexpected conditions of equipment, and the camera lens is protected. The surface of the lens is prevented from being scratched and damaged, the optical structure integrity of the lens is protected, the definition and accuracy of a detection image are guaranteed, and pollution of impurities and dust is prevented.

The utility model relates to the technical field of pipe detection, in particular to an enhanced design of detection precision of a detection device. The utility model discloses a steel pipe surface defect detection device which can keep high-precision dynamic stability in the detection process, provide a clean detection environment and optimize the imaging precision of the steel pipe surface defect detection device. The detection device comprises a shell, an imaging assembly arranged in the shell and a clamping assembly used for clamping a steel pipe, and the shell is provided with a dustproof ring used for allowing the steel pipe to pass through. The clamping assembly comprises a downward pressing device moving in the vertical direction and a supporting roller arranged on a downward pressing path of the downward pressing device, and the supporting roller is used for supporting the bottom of the steel pipe and guiding the steel pipe to enter the shell through rolling movement.

The utility model relates to the technical field of infrared thermal imaging detection, and discloses an infrared thermal imager which comprises supporting legs, the top ends of the supporting legs are fixedly connected with supporting columns, and the whole device is stably placed on the ground or a detection platform. A motor is installed in the supporting column, the output end of the motor is connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a storage plate, the surface of the storage plate is rotationally connected with a rotating disc, and the supporting column is fixedly connected with one end of the support outwards. The other end of the connecting bracket is fixedly connected with a suspension; the connecting support is of an L-shaped structure, the horizontal end of the connecting support is fixedly connected with the supporting column, and the vertical end of the connecting support is fixedly connected with one end of the suspension. According to the utility model, 360-degree dead-corner-free scanning of the surface of the pipeline is realized through rotation of the annular frame. Compared with single-angle detection of a traditional rigid clamping device, the structure can automatically complete all-dimensional imaging of the circumferential surface of the pipeline, detection blind areas caused by incomplete angle coverage are avoided, and detection comprehensiveness is remarkably improved.

This invention discloses a battery cover welding quality inspection device and method, including a tracked conveyor. Positioning devices are respectively installed on both sides of the tracked conveyor, and a first linear drive device is installed on the top of the tracked conveyor. A suction cup is connected to the bottom output shaft of the first linear drive device. A displacement platform is installed below the track of the tracked conveyor, and both positioning devices are fixed to the top of the displacement platform. Compared with the prior art, this invention, by setting up a displacement platform, allows the battery to move synchronously to the right along with the track during the inspection process. After inspection, the battery is completely removed from the inspection station, and the battery to be inspected on the left can directly enter the inspection without waiting for the inspection station to be emptied, effectively reducing process waiting time and improving the inspection efficiency of battery cover welding quality.

The utility model relates to gem processing detection technical field more specifically, relate to a gem cutting and grinding process three -dimensional dynamic optical detection module, including mounting bracket, the mounting bracket includes upper roof, left side board, lower bottom plate and right side board, the upper roof, left side board, lower bottom plate and right side board combine and form the rectangular structure, wherein the middle part of upper roof is provided with fixed hole, the middle part of lower bottom plate is open, the right side and left side of lower bottom plate are provided with first off -axis parabolic mirror and second off -axis parabolic mirror respectively, the upside of first off -axis parabolic mirror and second off -axis parabolic mirror is provided with semiconductor laser and acquisition camera respectively. First off -axis parabolic mirror focuses laser to gem surface, second off -axis parabolic mirror captures the laser signal of gem surface reflection, and reflects it to acquisition camera, realizes the dynamic focusing of curved surface gem detection without aberration, and this detection mode adopts non -contact detection, avoids the damage of gem surface.

This invention relates to the field of smart home appliance technology, specifically to a smart air conditioning control system and method based on a 24GHz millimeter-wave radar. The system includes a 24GHz millimeter-wave radar sensor module integrated into the air conditioner, a signal processing and data analysis module, a main control unit module, an air conditioning execution module, and a feedback module. The method includes: transmitting an FMCW signal via radar and receiving the echo; processing the echo signal to extract distance, speed, and azimuth information of a dynamic human body, and identifying a static human body based on micro-Doppler spectrum analysis; constructing a state model based on this information, including the presence, location, and activity intensity of the person; and generating and executing precise airflow, mode adaptation, and energy-saving control strategies based on this model. This invention solves the problems of traditional sensors being unable to detect stationary human bodies and lacking spatial perception capabilities, achieving all-weather, high-precision, and privacy-protecting proactive intelligent control, significantly improving comfort and energy efficiency.

This invention relates to the field of connector appearance inspection technology, specifically to a connector appearance inspection device and its inspection process, including an inspection table and a first belt conveyor, a second belt conveyor, and a third belt conveyor respectively fixedly installed on the inspection table. It also includes: a top surface inspection unit, comprising a first inspection camera and a second inspection camera fixedly installed on the inspection table, the first inspection camera being located above the first belt conveyor and the second inspection camera being located above the second belt conveyor; and a position adjustment assembly, including at least three storage components for accommodating the connectors to be inspected and an adjustment structure for driving the storage components to move to a preset position and flip them over. This device can inspect all six sides of the connector, avoiding blind spots and improving the confidence and reliability of the overall inspection system. Furthermore, the multiple storage components reduce the time interval between flipping adjacent connectors, improving inspection efficiency.

The invention relates to the technical field of welding detection, and discloses a steel structure welding deformation detection device, which comprises an objective table used for placing a to-be-detected steel structure, and a control panel fixedly mounted on the side surface of the objective table; the surface detection structure and the internal detection structure are mounted on the objective table; the adjusting mechanism is mounted on the objective table and comprises a track adjusting assembly and a flatness adjusting assembly; the surface detection structure, the internal detection structure and the adjusting mechanism are electrically connected with the control panel. By arranging the surface detection structure, the internal detection structure and the adjusting mechanism, the internal detection structure and the surface of the welding position can be always kept in an attached and stable coupling state, internal detection signal distortion caused by surface unevenness is avoided, the problem that internal detection is prone to being interfered by the surface state in traditional detection is solved, and the detection accuracy is improved. And the accuracy of internal defect detection is greatly improved.

This utility model relates to the technical field of circuit board testing equipment and discloses a clamping device for circuit board testing in BMS, including a mounting frame. A first clamping seat and a second clamping seat are symmetrically arranged on one side of the mounting frame. Both the first and second clamping seats have buffer pads on their inner sides. Miniature electric cylinders are vertically mounted on the upper surfaces of the first and second clamping seats respectively. A pressure plate is rigidly connected to the transmission end of the bottom of each miniature electric cylinder. A thin-film pressure sensor is fixedly attached to the center of the bottom surface of the pressure plate. This clamping device for circuit board testing in BMS, by providing buffer pads on the inner sides of the first and second clamping seats and by providing a thin-film pressure sensor and a silicone pad on the bottom surface of the pressure plate, can securely clamp the circuit board while avoiding damage to the circuit board due to excessive clamping force. The thin-film pressure sensor monitors the clamping pressure in real time to ensure uniform and appropriate clamping force, thereby improving the stability and testing accuracy during the circuit board testing process.

The invention relates to the technical field of tunnel construction safety monitoring, and discloses a multi-point safety monitoring device for tunnel construction in cities, which comprises a running track, and is characterized in that the running track is provided with a monitoring assembly for monitoring harmful gas in a construction tunnel and reminding monitoring personnel; the monitoring assembly comprises a monitoring box; through rotation of the rotating block, the rotating block slides on the outer wall of the first rotating shaft in a reciprocating mode and pushes the first rotating shaft to swing in a reciprocating mode, the reciprocating swing of the first rotating shaft drives the air inlet pipe to swing in a reciprocating mode through the fixing base, and then the absorption range of the air inlet pipe is enlarged through the reciprocating swing of the air inlet pipe; and air around the monitoring box is sucked into the monitoring box at multiple points as much as possible, so that the deviation of a detection result caused by low gas content in the monitoring box is avoided, and meanwhile, the influence of harmful gas on the body health of construction workers due to the deviation of the detection result is also prevented.

The invention is applicable to the technical field of block chains, and provides a cross-signer address sandwich attack detection method and device and terminal equipment, and the method comprises the steps: obtaining respective signer addresses of to-be-detected transactions; the to-be-detected transaction pair comprises two to-be-detected transactions, and other transactions exist between the two to-be-detected transactions; searching target attributes respectively corresponding to the signer addresses of the two to-be-detected transactions from the target data structure; the target data structure is used for managing the association relationship of the plurality of signer addresses; and if the target attributes corresponding to the signer addresses of the two to-be-detected transactions are the same, determining that the signer addresses of the two to-be-detected transactions are associated addresses, and performing sandwich transaction mode analysis on the two to-be-detected transactions to obtain a detection result. According to the application, whether the signer address of the to-be-detected transaction is the associated address is detected through the target data structure, so that the identification of sandwich attacks can be expanded to different signers, and the defense depth of the system is improved.

The invention relates to the technical field of laser radars, in particular to a laser radar device. According to the invention, through the collaborative design of integrating the dual-wavelength coherent detection loop, the double galvanometers and the rotating mirror, the field angle is flexibly and dynamically adjusted. Specifically, by adjusting the relative positions and angles of the first galvanometer, the second galvanometer and the rotating mirror, the overlap ratio of the scanning range of the signal light with the two wavelengths can be changed, so that the field angle can be adaptively switched in different application scenes, the coverage area can be expanded when large-range detection is needed, and high-density point cloud scanning can be realized when a local area is concerned. Therefore, the environmental adaptability and detection efficiency of the laser radar are remarkably improved, the detection range and precision are considered, meanwhile, the system integration degree and reliability are enhanced through optical structure multiplexing, and the laser radar is suitable for the multi-scene requirements of automatic driving, robot navigation and the like.

This invention discloses a method and equipment for detecting mold etching. The detection method includes acquiring a global image of a turntable and the mold to be inspected on it, and establishing a turntable coordinate system; identifying the detection area of ​​the mold to be inspected through a controller, and dividing the detection area into an etching texture detection area, a surface defect detection area, and a cavity size and position detection area to determine the coordinate range of the points corresponding to each detection area; the controller generates a detection motion trajectory for each detection area based on the coordinate range of the points; the controller controls a rotary drive device to drive the turntable to rotate, positioning the mold to be inspected at the shape detection station, defect detection station, and dimensional tolerance detection station; in this way, the quality qualification judgment of all indicators of mold etching can be completed, and the trajectory matching of different detection items can be achieved, avoiding the detection blind spots caused by the disconnect between the trajectory and the detection requirements, so as to adapt to the detection of molds with complex cavities and multi-area etching, and ensure the comprehensiveness and accuracy of the detection.

The invention provides a method and a device for detecting a conflict of a multi-level structure of a client page, and relates to the technical field of UI (User Interface) testing. The method comprises the steps that a multi-device multi-system test cluster and a cross-platform test framework are built, the cross-platform test framework is integrated with a rule engine, and the rule engine is used for configuring a hierarchical priority rule; generating a multi-level combined scene based on a level component type and a level priority rule, and injecting a dynamic behavior triggered by a simulation user interaction operation and a plurality of extreme scenes to generate a dynamic test scene; based on a dynamic test scene, simulating concurrent user operation in a multi-device multi-system test cluster, verifying event distribution logic, and synchronously managing, controlling and recording rendering data; based on the rendering data, verifying hierarchy rationality from a Z-axis hierarchy, a display time sequence and a focus state three-dimensionally to obtain a verification result; and generating and outputting a three-dimensional conflict positioning report based on a verification result. And full-scene automatic detection of complex page multi-level conflicts is realized.

The invention discloses vehicle-mounted flatness detection equipment based on a laser radar and a use method, relates to the technical field of flatness detection, solves the problem of coexistence of high precision and high efficiency of flatness detection in the prior art, and realizes circumference detection by driving a rotating platform through a servo motor. The inclination angle of the laser radar is adjusted in cooperation with a steering engine, concentric circle type uniform coverage measurement can be carried out on a to-be-detected area in combination with a fixed stepping distance calculation mechanism, a detection blind area is avoided, and all-dimensional and high-precision positioning detection of the detected area is achieved. The laser radar height data is obtained through the distance sensor, a difference calculation model of the theoretical distance and the actual distance is established in combination with the inclination angle parameter, the actual measured point coordinate is accurately deduced, the accuracy of road surface point location data acquisition is further improved, and accurate data support is provided for flatness judgment.

The utility model relates to the field of automotive interiors, and discloses a composite fabric structure capable of quickly identifying and positioning a joint. The composite fabric structure comprises a surface layer, an adhesive layer, a sponge layer and a base fabric layer which are stacked in sequence, wherein a metal marker is pre-embedded at a joint of the sponge layer. According to the invention, on the premise of keeping the physical properties of the original composite fabric, through the ingenious metal marker implantation scheme, the effective monitoring of the quality key control points in the production process of the automotive trim is realized.

The invention provides a polishing machine, a polishing pad detection method and device, detection equipment, a product and a medium, and belongs to the technical field of semiconductor manufacturing. The polishing machine comprises an upper fixed disc, an upper polishing pad is arranged on the upper fixed disc, the polishing machine further comprises a mechanical arm and a swing arm servo motor, the upper fixed disc is arranged at one end of the mechanical arm, the other end of the mechanical arm is connected with the swing arm servo motor, and the swing arm servo motor is used for driving the mechanical arm to rotate; the air cylinder and the upper fixed disc servo motor are arranged between the upper fixed disc and the mechanical arm, the air cylinder is used for driving the upper fixed disc to move in the vertical direction, and the upper fixed disc servo motor is used for driving the upper fixed disc to rotate; the device comprises a support, a plurality of industrial cameras and a drying mechanism, the drying mechanism and the plurality of industrial cameras are arranged on the support, the drying mechanism is used for drying the upper polishing pad, and the industrial cameras are used for shooting the upper polishing pad to obtain a plurality of original images. According to the technical scheme, the abnormal condition of the polishing pad can be efficiently and accurately detected.

The invention belongs to the technical field of power system relay protection, and particularly relates to a relay protection device hidden fault detection method and system. The method comprises the following steps: acquiring current detection values of multi-source monitoring parameters of the relay protection device, wherein the types of the multi-source monitoring parameters comprise at least two of a power supply parameter, an environment parameter, a communication performance parameter and a logic unit parameter; the power supply parameters comprise voltage fluctuation and / or ripple coefficients, the environment parameters comprise at least one of temperature, humidity and vibration, the communication performance parameters comprise transmission delay and / or bit error rate, and the logic unit parameters comprise CPU load and / or memory occupation; determining the deviation degree of the relay protection device based on the deviation between the current detection value of the multi-source monitoring parameter and the health baseline of the multi-source monitoring parameter; whether hidden faults exist or not is judged based on the deviation degree of the relay protection device and the hidden fault threshold value of the relay protection device, parameter gradual change type faults, environment coupling type faults and logic soft faults can be recognized, and detection blind areas are avoided.

The invention relates to the technical field of nondestructive testing, and particularly discloses an array type grinding machine probe which comprises a shell. One end of the shell is open and the other end is closed; a circuit board is mounted on the inner wall of the shell; a plurality of detection probe assemblies are arranged on the circuit board in an array; the detection probe assemblies in adjacent rows are distributed in a staggered manner; through the array layout of staggered distribution between adjacent rows, the detection areas of the detection probe assemblies are mutually overlapped and completely cover the surface of the to-be-detected workpiece without gaps, so that detection blind areas caused by alignment distribution of traditional array probes are avoided, and the detection effect on tiny defects of the workpiece in multiple directions is improved.

This utility model discloses a steel wire diameter detection platform, relating to the field of steel wire detection technology. It aims to solve the problem that most existing steel wire diameter detection devices use a single-direction detection method, making it difficult to comprehensively and accurately detect the steel wire diameter and prone to detection blind spots. The measuring housing has a fixed plate inside, on which a detection component is mounted. The detection component has multiple sets of annular arrays. A limiting component is located on the other side of the fixed plate, connected to the detection component via a connecting component. By setting up four sets of annular array detection components on the steel wire diameter detection platform, the steel wire diameter can be detected from two directions, enabling comprehensive and blind-spot-free acquisition of steel wire diameter data, effectively avoiding detection blind spots. Compared with traditional single-direction detection methods, this significantly improves the accuracy and reliability of the detection results.

The utility model discloses a cable insulation layer detection device, and relates to the cable insulation layer detection technology field, the cable insulation layer detection device comprises a base plate, a first support plate and a first air expansion shaft, the first support plate is arranged on the top of the base plate, the first air expansion shaft is rotatably connected on the first support plate, the first support plate is internally provided with a support column, and the support column is rotatably connected on the first support plate. A second supporting plate is arranged at the top of the supporting column, a first motor is arranged at one end of the second supporting plate, a second air swelling shaft is arranged at the output end of the first motor, an adjusting assembly for adjusting the supporting column is arranged on the first supporting plate, and a detection assembly for detecting a cable insulation layer is arranged on the first supporting plate. The second supporting plate is provided with a guiding assembly for guiding the cable, through the detection assembly arranged on the first supporting plate, the effect of detecting the whole body of the cable is achieved, the situation that a detection blind area occurs and the final defect position cannot be detected is avoided, and the cable detection device is easy to operate and flexible to use.

The utility model relates to a kind of probe scanning device for ultrasonic testing, including lifting frame and annular base: the annular base with gap is set in the outside of the weld of industrial pipeline to be detected by lifting frame, the gap of annular base is passed through pipeline, radial adjusting arm is connected with annular base by gear ring, extension rod is driven out open mouth to drive probe and pipeline surface closely, the slight camber or unevenness of spring's elastic effect can adapt to pipeline surface, ensure that probe and pipeline always keep good coupling state. Circumferential driving mechanism is started to drive gear ring to rotate along the embedding slot of annular base, since gear ring is fixedly connected with radial adjusting arm, radial adjusting arm will rotate around pipeline circumferentially synchronously with gear ring, radial adjusting arm drives cylindrical shell, extension rod and ultrasonic probe to move along pipeline circumference, realize circumferential scanning to weld, ensure that ultrasonic probe 360 degree rotation complete coverage, solve the problem of traditional annular scanning blind area.

The utility model relates to cement pole production technical field discloses a finished product strength detection device for cement pole production, including base, the upper surface both ends of base are all fixed with telescopic cylinder no.

This invention discloses a low-altitude, multi-target, omnidirectional infrared detection device, comprising a top base and a transparent protective cover. The transparent protective cover is disposed at the bottom of the top base, and a detection component is disposed inside the transparent protective cover. The detection component includes a support rod, which is fixedly connected to the top base. A column is fixedly connected to the middle of the support rod, and a fixed base is fixedly connected to the bottom of the support rod. A first motor is installed on the top of the fixed base. This invention utilizes an outer wall cleaning ring to solve the problem of dust accumulation on the outside of the transparent protective cover obstructing the view, thus avoiding blind spots. An inner wall cleaning ring helps prevent fogging on the inner wall, which obstructs the view and affects the detection effect. A transmission cylinder drives an outer lifting ring to rise and fall, thereby adjusting the angle of the adjustable detection head. Multiple adjustable detection heads are provided to facilitate omnidirectional detection.

This utility model discloses a multi-LiDAR quadruped robot, comprising a body, two front legs mounted on both sides of the front of the body, and two rear legs mounted on both sides of the rear of the body. A first LiDAR is arranged forward on the front mounting surface of the body, and the first LiDAR has a first scanning area facing forward of the body. A second LiDAR is arranged rearward on the rear mounting surface of the body, and the second LiDAR has a second scanning area facing rear of the body. The first scanning area and the second scanning area intersect by a line located below the lowest point of the bottom of the body and above the highest point of a pre-set passable obstacle on the ground. Only two LiDARs are needed to sense the ground areas in front of the robot, below the body, and behind it. This reduces the robot's surrounding field of vision and landing area field of vision by using fewer sensors, thus reducing sensor costs and space requirements.

The invention discloses an adsorption type fan blade inner cavity inspection device. The device comprises an adsorption type inspection robot in a fan blade inner cavity and a communication relay unit outside a fan blade. The adsorption type inspection robot is provided with an inspection controller, a driving unit, an image acquisition unit and an adsorption unit, the adsorption unit is fixedly arranged on the outer surface of a shell of the adsorption type inspection robot, and a suction cup of the adsorption unit faces the inner surface of the inner cavity and makes contact with the inner surface; the adsorption unit forms adhesive force towards the inner surface through the adsorption effect, and the driving unit is used for providing advancing power for the adsorption type inspection robot, so that the adsorption type inspection robot can be attached to the inner surface of an inner cavity of the fan blade and advance along a preset path under the action of the adhesive force; and the inspection controller is used for controlling the image acquisition unit to acquire an environment image of the inner cavity of the fan blade and sending the environment image to the communication relay unit so as to send the environment image to the upper computer. According to the scheme, the inspection efficiency of the fan blade can be improved.

This utility model discloses a visual inspection device for bowl baskets. By setting up a first inspection component and a second inspection component, the device can inspect the bowl basket from the top and side of the main body, respectively. This allows for a comprehensive inspection of whether the upper and side parts of the bowl basket are damaged or missing parts. The multi-angle inspection method avoids blind spots and ensures that no potentially problematic part is missed, greatly improving the comprehensiveness and accuracy of the inspection and effectively guaranteeing the quality of the bowl basket. In addition, the lighting component is located below and behind the second inspection component. This layout provides good lighting for the bowl basket, helping the inspection component to more accurately identify whether there are defects such as damage or missing parts in the bowl basket, improving inspection accuracy and reducing the risk of misjudgment and missed detection.

The utility model belongs to the technical field of smart home, and discloses a double-PIR lens structure applied to a doorbell, which comprises a lens main body and two lens body parts, the two ends of the lens main body are respectively provided with an arc-shaped bending part, the two lens body parts are arranged on the left side and the right side of the lens main body, and the two arc-shaped bending parts are arranged on the lens main body. One end of each lens body part, which is far away from the center of the lens main body, is arranged on the corresponding arc-shaped bending part, one lens body part is focused on the sensing position of one PIR sensor of the doorbell, and the other lens body part is focused on the sensing position of the other PIR sensor of the doorbell. The left and right detection angles can reach 180 degrees, the upper and lower detection angles are 55 degrees, the detection range is greatly expanded, the two mirror body parts are symmetrically distributed and accurately matched with the double-PIR sensor layout of the doorbell, left and right partition independent focusing is achieved, detection blind areas are avoided, and the sensing ability of the doorbell to people approaching in different directions is effectively improved.