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54 results about "Standing long jump" patented technology
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The standing long jump, also known as the standing broad jump, is an athletics event. It was an Olympic event until 1912. It is one of three standing variants of track and field jumping events, which also include the standing high jump and standing triple jump . In performing the standing long jump,...
Image-recognition-based distance measuring device and measuring method of standing long jump
ActiveCN108375341AAvoid wastingAccurate measurementUsing optical meansJumping apparatusStanding long jumpPerspective transformation
The invention, which belongs to the technical field of sporting goods, provides an image-recognition-based distance measuring device and measuring method of standing long jump. The measuring device iscomposed of a jumping carpet (3) and a distance measuring mechanism (1). A controller and a shooting module controlled by the controller are arranged in the distance measuring mechanism (1). Besides,the measuring method includes: S1001, shooting an original picture; S1002, carrying out black-and-white processing on the original picture; S1003, carrying out perspective transformation and pixelation processing on the original picture; S1004, starting testing; S1005, shooting a secondary image; S1006, carrying out black-and-white processing on the secondary image; S1007, carrying out perspective transformation and pixelation processing on the secondary image; S1008, carrying out pixel comparison; and S1009, obtaining a long jump distance. According to the image-recognition-based distance measuring device and measuring method of standing long jump, the long jump performance is determined based on the image recognition; the measurement precision is high; and personnel wasting is avoided and the cost is low.
Owner:SHANDONG UNIV OF TECH
Method for measuring performance of standing long jump
PendingCN113137923AFully automatedAchieve standardizationUsing optical meansSport apparatusMachine visionSimulation
The invention provides a method for measuring performance of standing long jump. The invention belongs to the field of intelligent measurement of standing long jump performance, and particularly relates to an intelligent measurement method for realizing the standing long jump performance by using a camera and a machine vision technology. The method comprises the following steps: setting a test area and motion parameters, collecting a user test video, and analyzing the user test video to obtain a score. According to the invention, the camera and the machine vision are used for measuring the performance of the standing long jump, so that the automation, standardization and intelligence of the performance measurement of the standing long jump are realized.
Owner:上海淡竹体育科技有限公司
Standing long jump detection method based on marks and computer vision
The invention discloses a standing long jump detection method based on marks and computer vision. The standing long jump detection method solves the problems that a manual measurement mode is large inworkload and large in result influence, and infrared detection equipment is heavy, very inconvenient to carry and complex to assemble. The method comprises a preprocessing stage, a long jump stage and landing judgment and distance measurement. A contour detection technology is adopted, the influence of texture and noise interference inside a background and a target is avoided, the process of target contour extraction is achieved through digital image processing, and the detection mode is gradually developed into an electronic detection mode from a traditional manual measurement mode. The overall structure is simple, only one camera and equipment with a processing function are needed, the size is small, carrying is convenient, a cost is low and the method is not prone to being affected byperipheral factors.
Owner:SOUTHWEST JIAOTONG UNIV +1
Method and system for monitoring and evaluating standing long jump of child
The invention provides a method and system for monitoring and evaluating standing long jump of a child. The system comprises an awakening module arranged at a take-off point, a loudspeaker, infrared grating distance measuring modules arranged on the two sides of the forward extending position of the two sides of the take-off point, and a somatosensory camera module arranged right opposite to the front portion of the take-off point, and a motion detection terminal; the awakening module, the somatosensory camera module and the loudspeaker are all connected with the motion detection terminal; thesomatosensory camera is used for collecting skeleton motion data and face information of the child during long jump and sending the skeleton motion data and the face information to the motion detection terminal; the infrared grating distance measuring modules are used for collecting the final distance of jumping out of the child; the motion monitoring terminal is used for collecting data of the loudspeaker, the infrared grating distance measuring modules and the somatosensory camera module, reporting the data to a server after comprehensive analysis, and pulling historical data of the child from the server for further analysis. The method is convenient for reducing the workload of a coach for analyzing the test data of the long jump training of the child.
Owner:南京象皮尼科技有限公司
Standing long jump automatic test device and test analysis method
InactiveCN104998395ARealize unified managementRealize automatic measurementJumping apparatusEngineeringTest fixture
The invention discloses a standing long jump automatic test device and a test analysis method. Three sections of light curtains are arranged on the two sides of a standing long jump test mat, and the standing long jump test mat is divided into a first take-off zone, a second take-off zone and an induction zone. The standing long jump test mat transmits data to a host through a wireless module, and the host transmits data to a PC machine through a WIFI module. An MCU of the host is connected to a serial port liquid crystal module, a serial port USB module, a voice module and a card reading module. The tiptoe position of a subject in one take-off zone at the last moment before jumping is obtained, and the heel position in the induction zone and closest to the take-off zone within 3 seconds after feet touch the ground is obtained. The value obtained through the subtraction of the heel position in the induction zone and the tiptoe position in the take-off zone serves as the jumping distance. It allows that the tiptoe can move slightly before jumping, and the subject does not break the rule when the moving distance is within the length range of the two light curtains. The automatic test device is high in test accuracy, is convenient to carry, and can conveniently record and store the data.
Owner:CHINA JILIANG UNIV
Intelligent standing long jump board based on flexible array pressure sensor and working method of intelligent standing long jump board
InactiveCN106310582AHigh measurement accuracyEnsure reliabilitySpring boardsWireless transmissionStanding long jump
The invention provides an intelligent standing long jump board based on a flexible array pressure senor. The intelligent standing long jump board comprises a sensing element, a central processing module, a long jump board body, a take-off board and a handheld device, wherein the sensing element is the flexible array pressure sensor and laid on the surface of the long jump board body, a test area is formed, and the sensing element is used for detecting sensing signals produced in the stepping and pressing position when the test area is stepped and pressed and sending the sensing signals to the central processing module; the central processing module collects the sensing signals and calculates and outputs long jump performance, a transmission module transmits the long jump performance to the handheld device for display and voice broadcast; the take-off board is used for determining the take-off position; the handheld device is used for storing, managing, displaying and broadcasting the long jump performance. According to the intelligent standing long jump board based on the flexible array pressure senor, the flexible array pressure senor is adopted as the sensing element, the detection precision, the reliability and the stability are higher, the long jump test range can be set, and the intelligent standing long jump board is convenient to carry and use and supports wireless transmission and download of data.
Owner:ANHUI ZHONGKE BENYUAN INFORMATION TECH CO LTD
Device for standing long jump
PendingCN109771885AConvenient grade determinationElimination of Impact MatchesJumping apparatusStanding long jumpEngineering
The invention discloses a device for standing long jump. The device comprises a first plastic pad, a second plastic pad is clamped at the upper end of the first plastic pad, and a pressure sensor is arranged between the first plastic pad and the second plastic pad; the two ends of the first plastic pad and the two ends of the second plastic pad are in contact connection with connecting strips, thefirst plastic pad is provided with protrusions, and the second plastic pad is provided with a circular groove; the circular groove tightly sleeves the pressure sensor, the connecting strips are provided with first buckles, the first buckles are provided with first clamping blocks, the connecting strips are provided with second buckles, and the second buckles are provided with a second clamping blocks. The pressure sensor is arranged between the two layers of plastic, the two layers of plastic can be fastened through the buckles, and the pressure sensor is fixed so that the product can be usedoutdoors in all weather, the performance of an athlete can be measured conveniently, and the influence of the weather on matches can be eliminated.
Owner:山东指南针体育产业有限公司
Standing long jump evaluation method based on deep learning attitude estimation
PendingCN111860107AImprove accuracyCharacter and pattern recognitionNeural architecturesHuman bodySimulation
The invention discloses a standing long jump evaluation method based on deep learning attitude estimation. The standing long jump evaluation method comprises the following steps: A, collecting an image before jumping and zooming the image; B, defining a long jump detection area, detecting human body feature points through a deep convolutional neural network, and completing limb connection; C, collecting a human body final landing point and detecting whether the human body final landing point is in the detection area or not; and D, calculating the standing long jump distance according to the coordinates of the take-off point and the final landing point. According to the scheme, the coordinates of the human body at the two points are calculated based on the take-off point and landing point separation algorithm, so that the standing long jump distance is obtained; the human body posture estimation adopts the deep convolutional neural network, and the accuracy is high.
Owner:四川中科凯泽科技有限公司
Standing long jump tester
InactiveCN106730777APrevent intentional stepping on the lineScientific and reasonable designUsing optical meansSport apparatusLine sensorLong jump
The invention discloses a standing long jump tester. The standing long jump tester comprises a take-off mat, a storage battery is mounted in the take-off mat, a take-off platform is arranged on the take-off mat, a sensing mat is arranged on one side of the take-off mat, a meshed sponge cushion is mounted in the sensing mat, guardrails are arranged on two sides of the sensing mat, infrared emitters are mounted on the guardrails, a pressure sensor is mounted in the sensing mat, a master controller is mounted on one side of the sensing mat, and a photographing device is arranged on one side of the master controller. The standing long jump tester has the advantages that provided with the pressure sensor, the standing long jump tester is capable of preventing sportsmen from stepping on the line on purpose; the meshed sponge cushion arranged on the sensing mat is capable of increasing friction between feet and the sensing mat, so that the sportsmen are prevented from slipping off and tumbling; the infrared emitters are capable of detecting long jump data in real time and playing the data through a voice player, and the sportsmen can compare the data with a graduated scale, so that detection errors are prevented.
Owner:刘金凤
Standing long jump test method and device
PendingCN110604915AFully automatedAchieve standardizationSport apparatusMachine visionStanding long jump
The invention provides a standing long jump test method and device, belongs to the field of standing long jump, and particularly relates to the standing long jump test method and device for realizingautomation, standardization and intelligence through a machine vision technology. According to the method and the device, a camera and machine vision are used to carry out rule judgment and score measurement of the standing long jump test, so that the limitation that a traditional standing long jump test technology cannot carry out intelligent test is broken through, the intelligence of the standing long jump test is realized by introducing the camera and the machine vision technology into the standing long jump test method and the device, the efficiency of the standing long jump test is improved, and the accuracy of the standing long jump performance measurement is improved. In particular, the method and the corresponding device are in a non-contact mode, so that the safety problem causedby the fact that a traditional standing long jump test device or an instrument needs to work in an electrified state is eliminated, and the safety of the test personnel during the standing long jumptest is guaranteed.
Owner:上海淡竹体育科技有限公司
Method for measuring flying height of standing long jump based on machine vision
ActiveCN112966571AReduce testing costsImprove robustnessBiological neural network modelsCharacter and pattern recognitionHuman bodyMachine vision
The invention discloses a method for measuring the flying height of a standing long jump based on machine vision. The method comprises the following steps: 1, acquiring a standing long jump sample video by a camera, and obtaining human body key points of the standing long jump by using an OpenPose detection model; 2, constructing a trunk attitude vector according to the key points; 3, judging a take-off frame and a landing frame by using the human body trunk posture vector; 4, adopting different methods to measure the height according to the frame leakage condition at the highest position of the detection video; 5, adopting an OpenPose height direct measurement method for the frame leakage condition of the non-highest position; and 6, performing least square fitting of a quadratic function on a position point obtained through OpenPose according to the highest frame leakage condition, and performing reverse calculation of the flying height. According to the invention, the measurement of the vertical long jump height is realized by using machine vision, the cost of equipment and instruments is reduced, the method is not influenced by external factors such as weather and background, and the method has good robustness and detection accuracy.
Owner:安徽一视科技有限公司
Standing long jump scoring system and method
InactiveCN114049392AHigh degree of automationReduce labor costsImage enhancementImage analysisClassical mechanicsStanding long jump
The invention discloses a standing long jump scoring system and method. The system comprises a soft cushion, a controller, a loudspeaker, a camera and a display screen, wherein a take-off line is marked on the top wall of the soft cushion; the soft cushion is horizontally arranged in a physical examination room, and the camera is aligned with the soft cushion; and the camera, the loudspeaker and the display screen are electrically connected with the controller. According to the invention, the defects of time and labor consumption and low efficiency of manual measurement scoring for standing long jump in the prior art are effectively avoided.
Owner:JIANGSU FENGHUANG INTELLIGENT EDUCATION RES INST CO LTD
Intelligent distance measuring method and system for standing long jump based on computer vision
PendingCN114712769AAvoid wastingAccurate measurementMechanical clearance measurementsCharacter and pattern recognitionHuman bodySimulation
The invention provides an intelligent distance measuring method and system for standing long jump based on computer vision, and the method comprises the steps: carrying out the photographing of a landing point on a jump blanket during standing long jump through the computer vision technology through the cooperation of computer vision and a human body key point recognition technology, finally confirming the landing point through the human body key recognition, and calculating the long jump score. Meanwhile, the personnel waste is avoided, and the cost is relatively low. The system is developed through an open source framework OpenPose and a computer vision detection technology. According to the technical scheme, the landing actions of the vertical long jump are judged, such as hand supporting on the ground, slipping and stepping towards the rear legs, so that the universality and the practicability of the technical scheme are improved.
Owner:YANBIAN UNIV
Measuring device for standing long jump
The invention relates to the field of sports goods, especially to measuring device for a standing long jump. The measuring device comprises a distance measuring device and a processing device; the processing device comprises a processor and an alarm electrically connected with the processor; and the distance measuring device comprises a cushion for the standing long jump, a first balkline, a reference calibrated scale, first to fourth installing pieces, an infrared emitter group, an infrared receiver groove and an infrared range finder. The measuring device can avoid conditions that a testee does not jump from the balkline, the testee jumps in from the lateral or front side, or the testee jumps from the balkline but not into a measuring area; testees are prevented from cheating in a supervision-free test process; and an accurate long jump score is measured.
Owner:YANCHENG INST OF TECH
Identification method and system for heel key point of standing long jump and test method
PendingCN113177476AHigh precisionImprove performanceBiometric pattern recognitionNeural architecturesHuman bodyPhysical medicine and rehabilitation
The embodiment of the invention discloses an identification method and system for heel key points of standing long jump and a test method. According to the method, a human-containing image and a background image are taken as input, and the problem of identification of the heel key points is decomposed into three steps: human body identification, foot frame identification and heel key point identification through an algorithm; in each step, the output of the previous step is used as the input, the complexity of the problem is gradually reduced, the algorithm utilizes the information that the key points of the heel is a certain point on the human body contour, the feature information of human body segmentation is introduced in the middle, and the features of human body segmentation and key point identification are fused for multiple times in the algorithm; the method assists in the identification of the key points of the heel, directly outputs the key points of the heel after analysis, improves the recognition precision of the heel of the standing long jump, and guarantees the effectiveness and reliability of the distance measurement of a standing long jump result.
Owner:广州深灵科技有限公司
Acquisition method of optimal standing long jump technical template
ActiveCN110624220AGive full play to the winch's working efficiencyReduce sports injuriesGymnastic exercisingHuman bodyElement model
The invention provides an acquisition method of an optimal standing long jump technical template. The method comprises the steps of acquiring kinematics and dynamics data of the whole standing long jump process of an athlete; establishing a take-off forward kinetic equation according to data corresponding to a whole take-off process in the data, and acquiring a take-off technical equation by combining pressure distribution between feet and a supporting surface during standing long jump; establishing a target function of the lower limbs according to data corresponding to the flight time in thedata, and acquiring a flight technical equation by combining a human body relative motion rule in the air; establishing a foot bone geometric model and a finite element model according to a high-resolution tomographic image of ankles of the athlete, and calculating to obtain an optimal landing action; and establishing an optimal standing long jump technical template. According to the acquisition method of the optimal standing long jump technical template in the invention, a matching template is provided for artificial intelligence diagnosis of the standing long jump technology (joint kinematics) and a theoretical basis is provided for the optimization design of sports assistive devices.
Owner:FUJIAN NORMAL UNIV
Auxiliary sand paving equipment for standing long jump
The invention relates to sand paving equipment and in particular relates to auxiliary sand paving equipment for standing long jump. The technical problem to be solved is to provide the auxiliary sandpaving equipment for standing long jump, capable of saving manpower and simultaneously filling sand and flattening sand. According to a technical scheme, the auxiliary sand paving equipment for standing long jump comprises a first bearing block, a rotating shaft, a push rod, a first handle, a second handle, a mounting frame, a mounting plate, an arc-shaped block and the like; the first bearing block is mounted on the ground; the rotating shaft is mounted on the first bearing block; the upper part of the rotating shaft is connected with the push rod; the right of the push rod is provided with the first handle; the right end of the push rod is provided with the second handle; and the second handle is located at the right side of the first handle. Due to the arrangement of a stirring wheel, the mounting frame drives the stirring wheel to move when being rotatably mounted by people, and then, the stirring wheel is in contact with sandstone on the ground, so that the sandstone is paved, andit is convenient for people to use a field; and a clamping block moves left and right to make sand intermittently fall off from a discharging hole, so that the sand is filled more uniformly.
Owner:启东市天汾电动工具技术创新中心
Standing long jump tester
InactiveCN104190066AEasy to operateEasy to useJumping apparatusAudio power amplifierData acquisition
The invention relates to a standing long jump tester which comprises a long jump mat, frames arranged on the two sides of the long jump mat, multiple infrared receiving pipes arranged on the inner sides of the frames at equal interval, a signal amplifier connected with the infrared receiving pipes, a gate circuit which is connected with the signal amplifier and formed by multiple single chip microcomputers, and a main machine connected with the gate circuit. A signal processor and a microprocessor are arranged in each single chip microcomputer, the gate circuit is connected with the signal processors, the output ends of the signal processors are connected with the microprocessors which are connected with a wireless display screen, the microprocessors are connected with a data collection controller through signals, and the data collection controller is in signal connection with a PC through a wireless communication adaptor.
Owner:刘敏
Standing long jump score measuring method and device based on video
The invention discloses a video-based standing long jump score measurement technical method and device. According to the method, a video-based standing long jump score measurement algorithm is designed, human body posture information of an athlete in a video is extracted through human body posture detection, and take-off and landing actions of the athlete are judged according to human body posture changes; by optimizing a human body posture tracking mode, the problem of tracking number exchange under a multi-person background is solved; the rear edge of the landing point of the athlete is accurately positioned through combination of various image information such as frame difference, edge and frequency domain; the standing long jump score of the athlete is accurately calculated through inverse perspective transformation in combination with parameters such as the side length of the long jump area. A high-resolution camera is used for shooting the long jump process of athletes with different heights and long jump actions, and the average absolute error of experimental measurement is 0.69 cm. According to the video-based standing long jump score measuring method and device, expensive infrared equipment is not used, and tedious later maintenance is not needed.
Owner:XI AN JIAOTONG UNIV
Free standing long jump testing method and device
PendingCN110624203AFully automatedAchieve standardizationJumping apparatusMachine visionStanding long jump
The invention provides a free standing long jump testing method and device, belongs to the field of free standing long jump, and particularly relates to an automatic, standard and smart free standinglong jump testing method and device implemented by a machine vision technology. A camera and machine vision are adopted for performing rule judgement and score measurement of free standing long jump testing, so that the limitation of incapability of performing smart and free testing with a conventional standing long jump testing technology is broken through; smart and free standing long jump testing is realized; and the efficiency and measuring accuracy of the standing long jump testing are improved. Particularly, free testing is put forward innovatively in the method and the corresponding device, so that the defect that a conventional standing long jump testing device needs to take a take-off line as the basis of jumping and score measurement is overcome; the athletic ability of studentscan be brought into full play; and the testing score is the actual standing long jump distance of a tester, and can truly reflect the ability and level of the tester.
Owner:上海淡竹体育科技有限公司
Standing long jump test method and device
PendingCN114432685AImprove convenienceSolve the problems existing in the manual measurement of long jumpSport apparatusFar distanceLongitude
The invention discloses a standing long jump test method and device, and the method comprises the steps: obtaining and analyzing a long jump multimedia file, and obtaining long jump actions of a tester and shooting a site before entering and after leaving; the analysis process comprises the following steps: identifying a preset length reference component, performing distortion correction and longitude and latitude scale marking on a site, and marking coordinates of a take-off line; detecting take-off, and judging whether the two-foot image and the take-off line coincide or not; determining a landing point: comparing image changes of the landing area before and after the test, marking the area with the change exceeding a threshold value, obtaining a point, which is close to the take-off line and is parallel to the take-off line, of the contour of the area as the landing point, and obtaining a coordinate value of the landing point through longitude and latitude marking; and converting the vertical length from the landing point to the take-off line through the coordinate values of the landing point and the take-off line as the long jump score. According to the method, the problem existing in manual measurement of long jump in the prior art is solved, so that the convenience of long jump distance measurement is improved.
Owner:北京女娲补天科技信息技术有限公司
Standing long jump body measurement equipment based on machine vision
PendingCN112263804ASimple operation structureIncrease flexibilityJumping apparatusMachine visionStanding long jump
Owner:JIANGSU FENGHUANG INTELLIGENT EDUCATION RES INST CO LTD
Auxiliary topdressing equipment for standing long jump
ActiveCN112957651BImprove work efficiencySmall footprintJumping apparatusStanding long jumpElectric machinery
The invention relates to an auxiliary sanding equipment for standing long jump, comprising a frame-type support frame, four corners of the bottom of the frame-type support frame are fixed with telescopic outriggers, and rollers are fixedly connected to the bottom of each telescopic outrigger; Two parallel support rods are fixedly connected between the two short sides of the frame-type support frame, and a threaded screw is fixedly arranged between the two support rods; the bottom of a slider is designed to slide and fit with the two support rods There is a chute in the center of the slider and a threaded hole for the lead screw to pass through and cooperate with; a lifting cylinder is fixedly connected to the bottom of the slider, and the telescopic rod end of the lifting cylinder is fixedly connected to the second motor. The second motor A paving plate is fixedly connected to the output shaft of the frame type support frame; a sand bucket is fixedly connected between the two long sides of the frame support frame and the two support rods. Through the structural design of the present invention, the sand is discharged from the front and rear sides, and the middle paving plate is rotated and paved, so that the working efficiency can be effectively improved.
Owner:HUNAN UNIV OF ARTS & SCI
A luminous standing long jump test device
A noctilucent standing long jump testing device comprises a testing plate and a display, wherein an ultrasonic wave distance sensor electrically connected to the display is installed on one side of the testing plate; the testing plate comprises a steel plate and a composite layer; the composite layer is composed of an elastic layer and a noctilucent paint layer; ruler lines are disposed on the upper surface of the noctilucent paint layer; and the elastic layer is made of 30-35 parts of a phenolic resin matrix, 16-20 parts of rosin, 9-15 parts of polystyrene, 4-8 parts of polytetrafluoroethylene, 13-20 parts of nano glass fibers, 12-18 parts of carbon fibers, 20-25 parts of boron nitride, 5-10 parts of bismuth oxide, 12-18 parts of calcium hydroxide microcapsule powder and 10-15 parts of a waterproof agent. The device provided by the invention has the advantages that the elastic layer has enough elasticity, so that knee joints can be effectively protected, and body injuries are avoided; a grade can be observed preliminarily by the ruler lines; and the display screen can display an accurate grade detected by the ultrasonic wave distance sensor.
Owner:HENAN UNIV OF SCI & TECH
Standing long jump tester
PendingCN110624233ARealize wireless communicationSolve trippingJumping apparatusStanding long jumpEngineering
The invention discloses a standing long jump tester. A first test rod and a second test rod in an existing standing long jump tester are respectively provided with corresponding power supplies; and corresponding wireless communication modules are arranged in the first test rod and the second test rod respectively, so that wireless connection between the first test rod and the second test rod is realized, and the problem of safety risks that a tester is stumbled, even falls and the like due to a wire of the existing standing long jump tester is solved.
Owner:广州华夏汇海科技有限公司
Long jump mat based on visual stimulation
The invention provides a long jump mat based on visual stimulation, belonging to the field of physical training apparatuses. A main body of the long jump mat is an elastic mat, the upper surface of the main mat body is composed of three parts, including a take-off area, a rising area and a foot falling area, wherein take-off lines with geometric optical illusion features are arranged in the take-off area; patterns or shapes realizing vision tension and unwillingness for foot falling are arranged in the rising area; and foot falling lines with geometric optical illusion features and patterns orshapes realizing vision comfort and willingness for foot falling are arranged in the foot falling area. According to the technical scheme, through the visual illusion and psychological stimulation ofthe long jump mat, the interestingness of standing long jump and the confidence of a long jumper can be increased, the bouncing explosive power potential can be stimulated, and finally, the trainingeffect and safety for standing long jump are promoted.
Owner:李硕
Automatic rangefinder for standing long jump
InactiveCN101890219AConvenience to workImprove efficiencyUsing electrical meansSport apparatusData displayData acquisition
The invention discloses an automatic rangefinder for standing long jump. The rangefinder is composed of a data acquisition part, a data processing part, a data display part and a power supply part, wherein the data acquisition part is connected with the data processing part; the data display part is connected with the data processing part; and the power supply part is respectively connected with the data acquisition part, the data processing part and the data display part. The Automatic rangefinder for standing long jump can automatically measure the score of a landing point nearest to a take-off line and display the score, thereby facilitating the work of an umpire. During the whole measurement process, the action of artificially pressing keys dose not exist, and degrees of intellectualization and automation are higher. The automatic rangefinder can improve the efficiency of sport testing at schools, has low cost and strong practicality, can fully meet the requirements of practical use and is convenient for popularization and use.
Owner:HENAN AGRICULTURAL UNIVERSITY
Pull-out type standing long jump automatic distance measuring device
PendingCN112675471AFast and accurate measurement responseFirmly connectedUsing optical meansJumping apparatusMeasurement testStanding long jump
The invention discloses a pull-out type standing long jump automatic distance measuring device which can rapidly and accurately measure the long jump distance of a tester in a standing long jump test. The pull-out type standing long jump automatic distance measuring device comprises a movable standing long jump pad, a first pull-out distance measuring rod, a second pull-out distance measuring rod, a jumping area laser emitting module, a measuring area laser emitting module, a jumping area laser receiving module, a measuring area laser receiving module and a main control and display module. The jumping area is provided with a ten-centimeter metering section, and the measuring area laser receiving module can calculate the jumping distance after the a user jumps up and then lands on the ground and displays the jumping distance at multiple terminals. If the laser measuring area is not reached after jumping, the distance can be measured through the scale marks on the standing long jump pad, and the measuring area can be moved forwards by changing the distance of the pull rod, so that the foothold can fall in the laser measuring area. According to the invention, through the pull-out design. the accuracy is high, the measurable range is wide, and the use is convenient.
Owner:南京理工大学紫金学院
Comprehensive tester for physical education
InactiveCN113559488AReduce handlingTime-consuming and laborious to solveDiagnostic recording/measuringSensorsPhysical educationCombined test
The invention discloses a comprehensive tester for physical education, and relates to the technical field of comprehensive testers. The tester comprises a first support bottom plate and a second support bottom plate. .A first measuring cylinder and a second measuring cylinder are respectively matched with a first lifting measuring rod and a second lifting measuring rod, and meanwhile, a cross rod is arranged at the top end of the first lifting measuring rod and the top end of the second lifting measuring rod, so that the device can form a pull-up testing device Meanwhile, lifting sleeves are arranged on the first lifting measuring rod and the second lifting measuring rod in a sliding mode, and at the moment, through cooperation of the lifting sleeves, a connecting rod, a measuring plate, an L-shaped adjusting rod and a handle, the height of a student can be tested through lifting of the measuring plate. When the top of the device is put down, the first lifting measuring rod and the second lifting measuring rod slide out of the first measuring cylinder and the second measuring cylinder respectively, then standing long jump testing can be carried out on students, and meanwhile the students can sit in the middle of the device and carry out sit-up testing on the back of the cross rod.
Owner:SHANDONG SPORT UNIV
Portable standing long jump measuring method
InactiveCN108983251AReduce volumeImprove portabilityElectromagnetic wave reradiationJumping apparatusMicrocontrollerCluster algorithm
The invention discloses a portable standing long jump measuring method comprising first selecting a horizontal ground by using a bubble level; marking a jump line and an installation position according to a simple installation drawing; starting a laser scanning radar to rotate within 360 degrees to obtain data; enabling a microcontroller to perform software filtering according to pairs of values (angle, distance) transmitted from a sensor to obtain valid data within a virtual boundary; identifying a two-foot target and a noise target by subjecting the valid data values within the boundary to aKmeans clustering algorithm; and obtaining the minimum distance of the two-foot target when feet land to determine a long jump distance. The method greatly reduces the volume of a standing long jumpmeasuring device and increases the portability of the device.
Owner:HANGZHOU DIANZI UNIV
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