33results about How to "Reduce detection error" patented technology

The utility model discloses a kind of automobile stabilizer bar detection tool, it is related to automobile detection technical field, including box, two motors are installed in the inside of box, the one end of each motor is connected with screw rod, the outer wall of screw rod is connected with support with thread, the top end side of support is equipped with hydraulic cylinder, the telescopic end of hydraulic cylinder is connected with push rod, the outer wall of push rod is slidably connected with two push blocks, the inner wall of each push block is equipped with sliding slot, each push block is slidably connected with push rod by sliding slot;In the utility model, balanced force of stabilizer bar is realized by three-point positioning using fixing assembly, actual installation working condition is simulated, local stress concentration problem caused by traditional single-point, two-point clamping is avoided, ensure that stabilizer bar is evenly stressed during detection process, avoid deformation or damage caused by improper clamping, reduce the data deviation generated by clamping problem, improve detection accuracy.

This invention discloses a frequency-domain guided multi-scale deformable alignment method and system for UAV target detection. The method first acquires and preprocesses a dataset of UAV aerial images. Next, it improves the YOLOv8 model, performing target detection based on the preprocessed UAV aerial image dataset and outputting the target detection results. Finally, the improved YOLOv8 model is integrated into a pre-configured training environment, using training and validation images from the UAV aerial image dataset for training and validation. This invention significantly enhances the model's ability to perceive small targets, thereby significantly improving the localization and classification accuracy of small targets, reducing detection errors, and improving overall accuracy.

This utility model belongs to the field of fitness equipment testing technology, specifically relating to a fitness equipment installation stability testing device. It includes a base, a laser level body mounted on the top of the base, a laser emitting part located near the top of the laser level body on its outer side, a connecting plate fixedly mounted at the center of the bottom of the base, and connecting sleeves symmetrically fixedly mounted at the bottom of the connecting plate. A cleaning frame is rotatably connected inside the connecting sleeve, extending beyond the outside of the connecting sleeve. A coil spring is located at the center of the inside of the connecting sleeve. This utility model uses a rotating cleaning frame and cleaning roller to clean dust and debris from the location where the support leg is to be placed, reducing the probability of the level tilting due to debris, making the level test results more accurate, reducing testing errors, and eliminating the need for special site cleaning before testing, thus making testing easier and improving efficiency.

The utility model discloses a convenient detection positioning's skin detector relates to skin detector technical field, including skin detection frame, protective outer cover and positioning cavity, the outside installation of skin detection frame has the protective outer cover, the positive surface of skin detection frame is equipped with the positioning cavity, the inside symmetry of positioning cavity installs fixed inner plate, the head positioning frame is installed in the telescopic end of arc positioning telescopic link. The utility model discloses through being provided with positioning detection subassembly in the inside of positioning cavity, arc positioning telescopic link work drive head positioning frame moves to the outside of cavity and carries out positioning to the both sides of the head of detection personnel, and the both sides accurate positioning of head positioning frame to the head of detection personnel helps to ensure that the spectral imaging sensor and the face skin of detection personnel keep proper distance and angle, improves the accuracy and reliability of detection, and accurate positioning and the adhesion degree help to complete the detection process quickly, improve overall detection efficiency.

This invention belongs to the field of aluminum wire bonding production technology, specifically relating to an automated drawing system for aluminum wire bonding production. The system includes a wire feeding device, a wire threading and drawing device, an intelligent wire storage device, a wire expansion and drawing device, and a wire take-up device arranged sequentially. The wire threading and drawing device performs initial diameter reduction and surface smoothing of the aluminum wire, and its internal oil supply structure effectively reduces friction damage during drawing. The intelligent wire storage device enables slow storage and release of the aluminum wire and automatic tension adjustment, ensuring that the operation of upstream and downstream processes does not interfere with each other. The wire expansion and drawing device uses a frustum-shaped expansion and drawing cylinder to perform secondary precise drawing and fine-tuning of the aluminum wire. The expansion strength detection component on the cylinder automatically adjusts the detection counterweight and rotational impact angle to perform real-time strength testing of the aluminum wire after drawing. This invention is rationally designed and can complete product quality sampling inspection of bonded aluminum wire without interrupting upstream production, thus improving the production efficiency of bonded aluminum wire.

This invention belongs to the field of food sampling technology, specifically a food crushing and homogenizing machine and its control method. The food crushing and homogenizing machine provided by this invention includes: a base; several sets of first crushing and homogenizing components mounted on the base, each set of first crushing and homogenizing components including a first driver, a first cutter, and a first container, the output end of the first driver being connected to the first cutter, the first cutter being located inside the container; several sets of second crushing and homogenizing components mounted on the base, each second crushing and homogenizing component including a second cutter and a second container, the output end of a second motor being connected to the second cutter, the second cutter being located inside the second container; the capacity of the first container being greater than the capacity of the second container; and a control device electrically connected to each of the first and second crushing and homogenizing components. This invention can significantly improve the efficiency of food crushing and homogenizing.

This application relates to the field of automotive air conditioning system technology and discloses an intelligent compensation device for a temperature sensor used in automotive air conditioning, including an air conditioning duct with a filter screen plate disposed on the inner side of the duct. This intelligent compensation device for a temperature sensor used in automotive air conditioning, through the coordinated operation of a filter screen plate, a driving component, a cleaning component, a temperature sensor body, a compensation resistor, and a controller, can both clean the filter screen plate through the combined action of the driving component and the cleaning component, preventing filter blockage from affecting airflow and temperature detection accuracy; and intelligently compensate for drift and errors in the temperature sensor body caused by extreme environments or long-term use using the compensation resistor and a controller storing compensation algorithms, effectively solving the problem of inaccurate temperature detection. Simultaneously, the two temperature sensor bodies effectively reduce detection errors, further improving the reliability of temperature detection and providing a more accurate basis for temperature compensation.

The utility model discloses an integrated machine lens HR detection fixture. The detection fixture includes: the cavity of one end open, a plurality of limiting portions and a plurality of positioning holes are detachably arranged on the bottom surface of the cavity, the limiting portion is detachably connected to the bottom surface of the cavity, and can move up and down along the vertical direction of the bottom surface, the limiting portion is used for limiting the displacement of the lens in the vertical direction of the bottom surface when the lens is placed on the bottom of the cavity through the positioning hole. The application solves the problem that different fixtures need to be used for single lens and ICR two states of the lens, which leads to inaccurate detection, and AA residual glue lenses cannot be detected.

This utility model relates to the field of electricity meter testing technology, and particularly to a testing component and testing equipment for testing product labels on electricity meters. The electricity meter has a product label on its surface, which includes a first information identifier and a second information identifier. The testing component includes a first detection element, a second detection element, and a control element. The first detection element detects and identifies the first information identifier and generates first detection information; the second detection element detects and identifies the second information identifier and generates second detection information; the control element receives the first and second detection information, and is capable of comparing the first and second detection information and outputting the comparison result. The testing equipment includes the above-described testing component. This testing component and equipment offer high testing accuracy and efficiency for electricity meters.

This invention discloses an automatic detection device and method for longitudinal axial flow grain loss, comprising a material conveyor belt, a separating axial flow mechanism, a seed receiving tray, a double-layer vibrating screen, a cleaning fan, a grain conveyor belt, a weighing device, a sieve box, an axial flow stepless speed regulator, a power and transmission unit, a work area, a driver's cab, and an operating system. The material conveyor belt is located at the front end of the device and is connected to the interior of the separating axial flow mechanism. Below the separating axial flow mechanism, from front to back, are arranged the seed receiving tray, the double-layer vibrating screen, and the sieve box. The cleaning fan is located below the seed receiving tray, the grain conveyor belt is located behind the cleaning fan, the weighing device is located below the grain conveyor belt, and the axial flow stepless speed regulator is located at the rear end of the separating axial flow mechanism and is connected to the separating axial flow mechanism via a spline. This automatic detection device and method for longitudinal axial flow grain loss employs an intelligent driving and operating system to achieve accurate and efficient detection of grain loss across multiple crops and working conditions, with full mechanization and automation.

This invention relates to the field of brake disc roughness testing technology, specifically to a multi-probe measuring device and method for brake disc friction surface roughness. The device includes a frame, a rotary drive assembly, a tensioning and positioning assembly, and six measuring units. Each measuring unit includes a drive housing and a measuring drive assembly. The measuring drive assembly includes a drive frame that displaces radially along the brake disc. A swing seat is hinged to the drive frame. A probe housing is fixed to the swing seat, and a detection probe is installed inside the probe housing. An adjustment frame is slidably mounted on the drive frame. A micro-motion drive assembly is installed on the adjustment frame, including two synchronous eccentric wheels for driving the probe housing and causing the swing seat to reciprocate horizontally. A micro-motion adjustment assembly is installed on the drive frame to change the distance between the adjustment frame and the swing seat, thereby controlling the swing amplitude of the probe housing. This achieves multi-dimensional, full-coverage acquisition of the brake disc's planar friction surface, adaptable to the testing conditions of brake discs of different specifications.

This invention relates to the field of defect detection technology, specifically to a detection device and method for lithium-ion battery soft-pack aluminum foil, comprising the following steps: acquiring detection parameters, collecting raw frame recording data to establish a matrix, calculating and filtering pixel difference matrices, calculating displacement optical path difference normalization generation coefficients, determining depth allocation identifier statistical distribution, and normalizing and generating confidence coefficients. In this invention, by controlling the combination of light source intensity and incident angle, pixel grayscale difference data is acquired, refining the microstructure analysis of the aluminum foil surface, identifying microcracks and pinhole defects, especially shallow defects, comprehensively analyzing grayscale differences and displacement differences, calculating micro-displacement and optical path differences, extracting defect depth information and refining classification, improving the ability to identify deep defects, and combining multi-dimensional data weighting to generate confidence coefficients, thereby improving detection accuracy and reliability, optimizing quality assessment, avoiding the omission of minor defects, and ensuring battery material quality standards.

The utility model discloses a subway door double detection device of door control, including base, the upper surface of base is seted up with the sliding slot I, the inside of sliding slot I is connected with moving frame through adjusting mechanism, and moving frame is located the upper surface of base, and the inside sliding connection of moving frame has the slide bar, and the lateral surface of slide bar is seted up with the limit slot, and one side of limit slot is equipped with the limit mechanism, and the upper end fixed connection of slide bar has the moving plate, and the upper surface fixed connection of moving plate has the detector, and one side of detector is equipped with the detection head, and the lateral surface fixed connection of detection head through the lateral surface of moving plate of positioning frame, and the inside fixed mounting of both ends of detection head has pressure sensor, and one side of pressure sensor is equipped with the thimble. Solveed the problem that the traditional double detection device is easy to appear deviation and unstable when using, prevent the deviation of detection head in the detection process, improve the stability of detection head, reduce the detection error of subway car door double detection device, and improve the detection accuracy of car door double detection device.

This invention discloses a method for resisting communication interference in a GIS partial discharge detection system, comprising: a GIS gas chamber, wherein an anti-communication interference device is fixedly sleeved on the outside of the GIS gas chamber, and the front side of the anti-communication interference device has an installation port, and a GIS basin-type insulator is fixedly connected to the installation port; a first external sensor and a second external sensor are fixedly connected inside the GIS basin-type insulator; and a current transformer secondary lead box, wherein the current transformer secondary lead box is installed inside the GIS gas chamber, and a built-in sensor is fixedly connected inside the current transformer secondary lead box. Through the overall structure of the device, and by using one built-in sensor and two external sensors in conjunction, the signal from the built-in sensor (after anti-interference processing) is compared and analyzed with the signal from the external sensors, thereby better analyzing the composition of environmental communication interference signals, and based on this, analyzing the efficiency of the anti-communication interference device.

The utility model discloses ICT double stroke mechanism, including base, upper pressing plate and hook drive module, be used for installing in the processing mesa, be equipped with the lower mould on the base, the back surface rotation connection of lower mould is used for the upper fixed frame of mould closing, be equipped with in the inside of upper fixed frame, the inner surface of lower mould is equipped with the component for being detected, the utility model discloses when the electromagnet of hook drive module is electrified and drives, can accurate drive hook post along the guidance of concave frame and carry out telescopic motion, and hook post penetrates concave frame and forms the engagement with the hook seat, effectively avoids the looseness or deviation when mould closing, when the push plate of pneumatic cylinder drive module slides, the guide screw on the surface of upper reinforcing plate passes the limiting slot of movement push plate, the movement track of movement push plate is restricted, avoids the deflection in the movement, through double stroke design, only long needle contact PCBA and carry out test in the second stroke, avoided the interference produced by short needle as antenna, ensure the stability and accuracy of test signal.

This application provides a corrosive sewage pipeline inspection device with a protective structure, relating to the field of sewage pipeline inspection technology. It includes a corrosion-resistant sealed protective box, with a sealed inspection box fixedly installed on the front side of the protective box. A turntable is rotatably installed inside the sealed inspection box. A sewage pipeline sealing protection imaging and inspection component is incorporated, forming a double-sealed structure between the corrosion-resistant sealed protective box and the sealed inspection box. A sealed rotating cylinder rotates within a rotating sealing groove, ensuring that the internal components are isolated from corrosive sewage. A sealed mounting bracket protects the imaging and inspection camera and supplementary lighting, and a sealing plug in the battery compartment prevents corrosion of the charging interface. The overall design improves the device's durability in corrosive environments. Furthermore, the sealed rotating cylinder, sealed mounting bracket, and the imaging and inspection camera can be directly powered through the battery compartment during rotation, eliminating the need for additional cables and preventing cable entanglement during rotation.

The utility model relates to toothed ring machining production technical field discloses a kind of toothed ring machining production quality inspection devices, including lifting mechanism, the top of lifting mechanism is connected with fixed mechanism, the rear end of lifting mechanism is fixedly connected with moving mechanism, and lifting mechanism includes base, the inside fixed connection of base has support plate, the bottom fixed connection of support plate has first motor, the output end fixed connection of first motor has main tooth, the inside screw thread connection of base has threaded rod, the surface screw thread connection of threaded rod has from tooth, the top fixed connection of threaded rod has carousel.The utility model can cope with the fixed demand of different size toothed ring by pushing two handles to move inboard, drive telescopic rod to slide inside fixed rod, so as to compress spring, then place toothed ring on work disc, loosen hand, spring rebound, drive the runner of telescopic rod one end to resist toothed ring, can effectively avoid the displacement of toothed ring in quality inspection process.

The application provides a battery test tool and a battery test system. The battery test tool comprises a limiting piece, a mounting piece and a positioning piece. The limiting piece is used for limiting a battery to be tested; the mounting piece and the positioning piece are located on both sides of the limiting piece in a first direction, the mounting piece has a first mounting part and a second mounting part which are spaced apart, the first mounting part is used for mounting a positive probe, and the second mounting part is used for mounting a negative probe; at least one of the mounting piece and the positioning piece is slidable relative to the limiting piece along the first direction to push the battery to be tested, so that a positive electrode of the battery to be tested abuts against the positive probe and a negative electrode of the battery to be tested abuts against the negative probe. By using the battery test tool as an interface component for connecting a test device and a battery to be tested, the detection efficiency of the battery to be tested can be improved, the alignment accuracy of the positive and negative electrodes of the battery and the positive and negative probes can be improved, and thus the accuracy of the detection result can be improved.

The utility model relates to detection equipment technical field, the utility model provides a kind of perpendicularity detection device for elevator guide rail, it includes level frame body, level frame body is equipped with level meter;The number of sliding frame is two, and is set at the both ends of level frame body along horizontal sliding;Supporting plate is rotatably set in the side of sliding frame away from the level frame body, two sliding frames respectively support its corresponding supporting plate to adhere to the two opposite inner side walls of elevator shaft;Detection device is set in the lower side of level frame body, and detection device is used to detect the perpendicularity of elevator guide rail. Through the sliding cooperation of sliding frame and level frame body and the swing setting of supporting plate, the installation fixing process of device in elevator shaft is simplified, the dependence on operator experience is reduced, and the influence of human operation error on detection accuracy is reduced. The technical problem that the verticality detection detection equipment of elevator guide rail is inconveniently leveled during installation in the related art is solved, which affects the accuracy of detection data.

The application provides a workpiece edge automatic tracking method and system. The method comprises the following steps: collecting images of a predefined part of a workpiece and edge points thereof through a window of a captured image; inputting a parameter step length according to the edge points; selecting a preset number of edge points at the end of a motion track of the image as a local point set; applying the local point set to fit a curve at the end of the motion track by using a least square method; calculating a tangent direction vector of the curve according to a polynomial of the obtained curve; calculating a next motion coordinate of a window of the captured image according to a unitized tangent direction vector and the step length; moving the window to the calculated next coordinate, and repeating the above steps until an end mark is encountered. The application perfectly solves the automatic measurement of a contour, and provides a perfect solution for repeated measurement of a large number of same type components.

The utility model belongs to periodontal disease detection field discloses a kind of detection devices of periodontal disease, it is characterized by: including protective support ball, detection device body, colorimetric card slot and periodontal hydrolysis reaction device;Protective support ball is fixedly connected in each angle outside of detection device body, and several colorimetric card slots of color contrast after hydrolysis reaction are fixedly opened on detection device body, and periodontal hydrolysis reaction device for carrying out hydrolysis reaction to the sample to be detected of periodontal disease patient is also fixedly connected on the same surface of detection device body with colorimetric card slot;The utility model solves the problem that the detection device of periodontal disease in prior art is poor in protection effect, and detection result is prone to misrecognition, thereby causing result deviation.

This invention discloses a two-point method and system for calibrating a coordinate system. The invention sets two different types of markers at the origin and a fixed point on one coordinate axis of the transformed coordinate system. After the image acquisition device captures the image of the recognition area, it automatically identifies the markers and calculates the pixel coordinates of the origin and the fixed point. It then calculates the pixel length between the origin and the fixed point, and calculates the coordinate system transformation ratio based on the actual distance. Finally, it calculates the rotation angle parameter and constructs a coordinate system transformation matrix based on the rotation angle parameter. After the image acquisition device captures the image of the recognition area, it detects the object to be recognized and obtains the pixel coordinates of its center point. Combining the coordinate system transformation ratio and the coordinate system transformation matrix, it calculates the actual coordinates in the transformed coordinate system. This invention simplifies the steps of the hand-eye calibration method, reduces the cost of calibration plate manufacturing, and is suitable for planar image detection scenarios and detection scenarios involving objects with height.

This application discloses a traffic light status verification method and apparatus, relating to the interdisciplinary fields of intelligent transportation systems and computer vision. The method includes: acquiring video stream data of traffic lights from roadside equipment at a target intersection, and determining a first phase list for a traffic light status change cycle based on the timestamps of the video stream data; acquiring signal control data of the traffic lights, and determining a preset second phase list for a traffic light status change cycle based on the signal control data; and comparing the first phase list and the second phase list phase by phase to perform real-time verification of the traffic light status. This method eliminates the need for manual inspection, enables periodic output of traffic light status verification results, reduces maintenance costs, and can detect hardware and software faults in the signal control unit, improving maintenance efficiency. It broadly meets the requirements for traffic light verification in assisted driving and autonomous driving systems.

This utility model relates to a device for detecting the extraction of bare battery cells, belonging to the field of battery cell testing technology. It includes a frame, a testing bracket mounted on the frame, a testing camera mounted on the testing bracket, and a conveying component positioned below the testing camera. One end of the conveying component is an input end, and the other end is an output end. The conveying component is used to move bare battery cells from the input end to the output end. A correction component is positioned above the conveying component, between the input end and the testing camera, and is used to correct the deviation of the bare battery cells. This application has the effect of improving the accuracy of bare battery cell extraction detection.

The present application relates to the technical field of tobacco process, and particularly relates to a method for determining the mixing ratio of expanded cut tobacco in cigarette formula. The method comprises the following steps: respectively taking the expanded cut tobacco component and the non-expanded cut tobacco component after moisture balance, and performing floating test in a solvent to obtain the floating rate and the sinking rate of the expanded cut tobacco component and the non-expanded cut tobacco component; taking the sample to be tested to perform moisture balance treatment, and determining the equilibrium moisture content of the sample to be tested after balance; taking the sample to be tested after balance to perform floating test in the solvent, drying and weighing the floating matter and the sinking matter of the sample to be tested, calculating the dry basis mass of the expanded cut tobacco component in the sample to be tested according to mass balance, and calculating the mixing ratio of the expanded cut tobacco component in the sample to be tested according to the mass proportion after correction according to the equilibrium moisture content. In the present application, the floating and sinking characteristics of the expanded cut tobacco component and the non-expanded cut tobacco component in the solvent are considered simultaneously, and the determination accuracy and the application range are effectively improved.

The application provides an immersed ultrafiltration membrane detection device, which comprises a control unit, an air source unit, a pressure sensor and an air inlet pipeline; the air source unit is used for being connected with an air inlet end of the immersed ultrafiltration membrane; the pressure sensor is arranged on the air inlet pipeline; the air source unit and the pressure sensor are electrically connected with the control unit; the control unit is used for controlling the air source unit to be opened or closed; the pressure sensor is used for measuring a first pressure value and a second pressure value after a set time; the control unit is used for receiving the first pressure value and the second pressure value, calculating a difference value between the first pressure value and the second pressure value, and judging that the immersed ultrafiltration membrane is damaged when the difference value between the first pressure value and the second pressure value is greater than a set pressure difference value. The immersed ultrafiltration membrane detection device provided by the application has high measurement precision.