CN114797052B - Fixed-point shooting training device and fixed-point shooting quality detection method - Google Patents
Fixed-point shooting training device and fixed-point shooting quality detection method Download PDFInfo
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- CN114797052B CN114797052B CN202210421033.8A CN202210421033A CN114797052B CN 114797052 B CN114797052 B CN 114797052B CN 202210421033 A CN202210421033 A CN 202210421033A CN 114797052 B CN114797052 B CN 114797052B
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- 230000006872 improvement Effects 0.000 description 8
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/0071—Training appliances or apparatus for special sports for basketball
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
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Abstract
The invention is used in the field of sports equipment, and particularly relates to a fixed-point shooting training device and a fixed-point shooting quality detection method, wherein the fixed-point shooting training device comprises a basket; basketball drop point detection device and shooting quality judgement device. The method comprises the steps that the falling point coordinates of the basketball on the plane of the basket are detected through a basketball falling point detection device, then the relative position deviation between the falling point coordinates of the basketball in the plane of the basket and the center of the basket is calculated through a shooting quality judgment device, and a player can correct shooting postures according to the deviation value, so that shooting training is more scientific, training effects are effectively improved, the fixed-point shooting quality detection method is used for detecting the falling point coordinates of the basketball in the plane of the basket every time, and average deviation and root mean square deviation of the center point of the relative basket are obtained; the mean deviation and the root mean square deviation of the un-shot are compared with the standard mean deviation and the standard root mean square deviation of the shot to obtain the shooting quality.
Description
Technical Field
The invention is used in the field of sports equipment, and particularly relates to a fixed-point shooting training device and a fixed-point shooting quality detection method.
Background
At the time of a fixed point shot, the level of the player in each shot can be regarded as the same, and the player can be called a "mind shooter" for hundreds of shots. However, for athletes other than "magical shooters," there may be a large difference in the fixed-point shot level, and for shot-miss balls, there is a large difference in the deviation from the basket level.
At present, the judgment of the fixed-point shooting result is only whether to enter or not, but no scientific judgment standard exists for the quality of the fixed-point shooting, and no scientific training guidance opinion is provided.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a fixed-point shooting training device and a fixed-point shooting quality detection method, which can judge the quality of a shot which is not shot, and are convenient for athletes to carry out scientific training according to judgment standards.
In a first aspect, the present invention provides a fixed point basketball shooting training apparatus comprising
A basket;
the basketball falling point detection device is used for detecting coordinates of a plane where the basketball passes through the basket;
the basketball shooting quality judging device is connected with the basketball falling point detecting device and is used for calculating deviation of the falling point of the basketball on the plane of the basket relative to the center position of the basket.
The technical scheme has at least the following advantages or beneficial effects: in the shooting process, for the basketball of basket in the shot, just can detect the falling point coordinate position of basketball on the basket plane through basketball falling point detection device, then basketball falling point detection device sends the falling point coordinate position to shooting quality judgement device, calculates the relative position deviation at basket place plane falling point coordinate and basket center of the basketball in the shot through shooting quality judgement device, and the sportsman can correct shooting posture according to the deviation value for shooting training is more scientific like this, effectively improves training effect.
Further as an improvement of the technical scheme of the invention, the basketball falling point detection device comprises an outer frame and a plurality of infrared sensors arranged in the outer frame, and each infrared sensor emits infrared rays to the inner frame to form an infrared grid which is distributed in the outer frame.
Further as an improvement of the technical scheme of the invention, the basketball falling point detection device comprises a positioning camera, wherein the positioning camera is used for shooting the position of the basketball falling point in the plane range of the basket.
Further as an improvement of the technical scheme of the invention, the novel basket comprises a cylinder barrel, and the basket is arranged at the top end of the cylinder barrel.
Further as an improvement of the technical scheme of the invention, the bottom of the cylindrical barrel is provided with a supporting rod.
Further as an improvement of the technical scheme of the invention, a coaming is arranged around the cylindrical barrel, one end of the coaming is connected with the cylindrical barrel, the other end of the coaming is outwards expanded and extends to the plane where the basket is located, and the coaming is communicated with the interior of the cylindrical barrel.
Further as an improvement of the technical scheme of the invention, the shooting basket also comprises a guide groove, one end of the guide groove extends into the cylindrical barrel and is positioned below the coaming, and the other end of the guide groove extends downwards in an inclined mode to the shooting position.
Further as an improvement of the technical scheme of the invention, the position where the guide groove extends to the shooting position in an inclined way is supported by the supporting frame.
In a second aspect, the invention also provides a fixed-point shooting quality detection method, which comprises the following steps:
detecting the coordinates of the falling points of the basketball which is not shot every time on the plane of the basket, and carrying out statistical analysis to obtain the average deviation and the root mean square deviation of the center point of the basket;
the mean deviation and the root mean square deviation of the un-shot are compared with the standard mean deviation and the standard root mean square deviation of the shot to obtain the shooting quality.
Further as an improvement of the technical scheme of the invention, the variation relation of average deviation of the un-shot basketball relative to the center point of the basket along with the shooting frequency is statistically analyzed.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;
FIG. 2 is a top view of the embodiment shown in FIG. 1;
fig. 3 is a schematic structural view of another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the present invention, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present invention, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present invention, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
At the time of a fixed point shot, the level of the player in each shot can be regarded as the same, and the player can be called a "mind shooter" for hundreds of shots. However, for athletes other than "magical shooters," there may be a large difference in the fixed-point shot level, and for shot-miss balls, there is a large difference in the deviation from the level of basket 1.
At present, the judgment of the fixed-point shooting result is only whether to enter or not, but no scientific judgment standard exists for the quality of the fixed-point shooting, and no scientific training guidance opinion is provided.
In order to solve the technical problems, the invention provides a fixed-point shooting training device.
Referring to fig. 1, 2 and 3, the fixed-point shooting training apparatus includes a basket 1, a basketball falling point detection apparatus 2 and a shooting quality evaluation apparatus 3.
The basketball falling point detection device 2 is used for detecting the coordinates of the plane where the basketball passes through the basket 1, the shooting quality judgment device 3 is connected with the basketball falling point detection device 2, and the shooting quality judgment device 3 is used for calculating the deviation of the falling point of the basketball on the plane of the basket 1 relative to the center position of the basket 1.
In the shooting process, for the basketball of basket 1 in the absence of shooting, just can detect the falling point coordinate position of basketball on basket 1 plane through basketball falling point detection device 2, then basketball falling point detection device 2 sends the falling point coordinate position to shooting quality judgement device 3, calculates the relative position deviation of falling point coordinate and basket 1 center at basket 1 place plane of basketball in the absence of shooting through shooting quality judgement device 3, and the sportsman can correct shooting posture according to the deviation value for shooting training is more scientific like this, effectively improves training effect.
In some embodiments, the basketball drop point detecting device 2 comprises an outer frame, a processor and a plurality of infrared sensors, wherein the processor and the infrared sensors are arranged in the outer frame, each infrared sensor emits infrared rays to the inner side of the outer frame to form an infrared grid which is distributed in the outer frame, and each infrared sensor is connected with the processor.
Specifically, the frame is the frame construction of rectangle to the centre of a circle of frame, and the centre of a circle of coordinate system is taken at the center of frame, and the distance of each infrared sensor relative to the center of frame can be calculated to the processor, and after basketball falls in the infrared net, can trigger corresponding infrared sensor, and the infrared sensor that is triggered sends the signal to the processor, calculates the specific coordinate value of basketball fall through the processor.
Further, the basket 1 is formed at a position of the middle of the infrared mesh, and may be a virtual basket 1.
The basket 1 may be a solid basket provided at the center of the outer frame, and the infrared rays emitted from the infrared sensor are not emitted to the inside of the basket 1 but are irradiated to the outer wall of the basket 1.
Referring to fig. 3, in other embodiments, the basketball placement detection device 2 includes a positioning camera for capturing the position of the basketball placement within the plane of the basket 1.
Specifically, the focal length of the positioning camera is adjusted to be used for shooting an image of the plane where the basket 1 is located, the positioning camera is provided with a photoelectric sensor, when the basketball falls on the plane where the basket 1 is located, the photoelectric sensor of the positioning camera is triggered, and the photoelectric sensor sends a signal to the positioning camera, so that the positioning camera shoots and records the position of the basketball relative to the basket 1, and the distance coordinate of the basketball relative to the basket 1 is obtained.
The shooting quality judging device 3 is a computer, the shooting quality judging device 3 can calculate the deviation value between the coordinates of the basketball which is not shot and the center of the basket 1, and then the deviation value is displayed for the athlete to know, so that the athlete can judge the deviation degree of shooting in time, and the correction of shooting next time is facilitated.
In some embodiments, the fixed point basketball shooting training apparatus further comprises a cylinder 4, and the basket 1 is fixed to the top end of the cylinder 4.
Specifically, the top of the cylinder 4 is provided with the basket 1 through the connecting rod, and the basket 1 is spaced from the top of the cylinder 4 by a certain distance.
When the basketball falling point detecting device 2 is a positioning camera, the positioning camera is arranged below the basket 1 and is positioned at the opening at the top of the cylinder 4 corresponding to the center of the basket 1.
When basketball drop point detection device 2 includes the frame and establishes at frame internal processor and a plurality of infrared sensor, the frame passes through the connecting rod to be fixed at the top of cylinder section of thick bamboo 4, and the infrared net that frame inside formed is located the coplanar with basket 1, and basket 1 is located the middle part of infrared net. The middle part of the outer frame can be provided with a virtual basket 1, and also can be provided with a solid basket 1.
In some embodiments, the shot quality assessment device 3 is mounted at the bottom of the cylinder barrel.
To facilitate the collection of the basketball that is not being cast, in some embodiments, a shroud 5 is provided around the cylinder 4, one end of the shroud 5 is connected to the cylinder 4, the other end of the shroud 5 expands outwardly and extends to the plane of the basket 1, and the shroud 5 communicates with the interior of the cylinder 4.
Specifically, bounding wall 5 is funnel type structure, and the one end of bounding wall 5 osculum communicates with the top of cylinder 4, and the one end of bounding wall 5 osculum extends to basket 1 place plane, and the part basket ball of throwing in can pass through bounding wall 5 and collect then fall into cylinder 4, conveniently collects.
It should be noted that, in order not to obstruct the player's view, to ensure that the player can see the position of the basket 1, the side of the coaming 5 facing the player is provided with an opening.
To facilitate the delivery of the shot basketball to the hands of the player, in some embodiments, the fixed point shot training device includes a guide slot 6, one end of the guide slot 6 being disposed within the cylindrical barrel 4 below the shroud 5, the other end of the guide slot 6 extending obliquely downward to the shot position. The basketball thus collected in the cylinder 4 can be sent to the player's hand along the guide groove 6 without picking up the basketball.
Further, the position where the guide groove 6 extends obliquely downward to the shooting is supported by the support frame 7.
In addition, the invention also provides a fixed-point shooting quality detection method, which comprises the following steps:
detecting the position of a falling point of each time of unqualified basketball on the plane of the basket 1, and carrying out statistical analysis to obtain the average deviation and the root mean square deviation relative to the center point of the basket 1;
the mean deviation and the root mean square deviation of the un-shot are compared with the standard mean deviation and the standard root mean square deviation of the shot to obtain the shooting quality.
Specifically, the shooting direction of the player is taken as an abscissa, the direction perpendicular to the abscissa is taken as an ordinate, the abscissa and the ordinate of the falling point of the basketball which is not shot at each time on the plane where the basket 1 is located are detected, then the abscissa and the ordinate of the basketball which is shot for many times are subjected to statistical analysis to obtain the average abscissa deviation, the average ordinate deviation and the root mean square deviation, the quality of the shot is judged according to the size of the root mean square deviation, the smaller the root mean square deviation is, the closer the quality of the shot is, the higher the quality of the shot is, the front or the rear of the player relative to the basket 1 can be known according to the average deviation value of the abscissa, the left or the right of the player can be known according to the average deviation value of the ordinate, and the player can train purposefully according to the average deviation value of the abscissa, so that the training method is more scientific and efficient.
The standard average deviation and the standard root mean square deviation of the goals are the deviation between the coordinates of the falling point of the basketball on the plane of the basket and the center of the basket and the root mean square deviation when the basketball is shot for multiple times.
In some embodiments, the average deviation of the un-shot basketball from the center point of the basket 1 is statistically analyzed as a function of the frequency of shots, so that the player can conveniently know the relationship between the frequency of shots and the hit rate of shots.
Of course, the present application is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope of the present application as defined in the claims.
Claims (7)
1. A fixed point shooting trainer, its characterized in that: comprising
A basket;
the basketball falling point detection device is used for detecting coordinates of a plane where the basketball passes through the basket; the basketball falling point detection device comprises an outer frame, a processor and a plurality of infrared sensors, wherein the processor and the infrared sensors are arranged in the outer frame, the infrared sensors emit infrared rays into the outer frame to form infrared grids which are fully distributed in the outer frame, the basket is formed in the middle of the infrared grids, the processor can calculate the distance between each infrared sensor and the center of the basket, after a basketball falling point arrives in the infrared grids, the corresponding infrared sensor is triggered, the triggered infrared sensor sends signals to the processor, and the specific coordinate value of the basketball falling point is calculated through the processor;
the shooting quality judging device is connected with the basketball falling point detecting device and is used for calculating deviation of the falling point of the basketball on the plane of the basket relative to the center position of the basket;
the basket is arranged at the top end of the cylindrical barrel, a coaming is arranged around the cylindrical barrel, one end of the coaming is connected with the cylindrical barrel, the other end of the coaming expands outwards and extends to the plane where the basket is arranged, the coaming is communicated with the inside of the cylindrical barrel, and an opening is formed in one side, facing an athlete, of the coaming.
2. The fixed point shooting training apparatus as claimed in claim 1 wherein: the basketball falling point detection device comprises a positioning camera, wherein the positioning camera is used for shooting the falling point position of the basketball in the plane range of the basket.
3. The fixed point shooting training apparatus as claimed in claim 1 wherein: the bottom of the cylindrical barrel is provided with a supporting rod.
4. The fixed point shooting training apparatus as claimed in claim 1 wherein: the shooting device further comprises a guide groove, one end of the guide groove extends into the cylindrical barrel and is located below the coaming, and the other end of the guide groove extends to a shooting position in a downward inclined mode.
5. The fixed point shooting training apparatus of claim 4 wherein: the guide groove extends to the shooting position in an inclined mode and is supported by the support frame.
6. The fixed-point shooting quality detection method is characterized by comprising the following steps of:
detecting the coordinates of the falling points of the basketball which is not shot every time on the plane of the basket, and carrying out statistical analysis to obtain the average deviation and the root mean square deviation of the center point of the basket;
the mean deviation and the root mean square deviation of the un-shot are compared with the standard mean deviation and the standard root mean square deviation of the shot to obtain the shooting quality.
7. The method for detecting the quality of fixed point shooting according to claim 6, wherein the method comprises the following steps: the average deviation of the un-shot basketball relative to the center point of the basket was statistically analyzed as a function of the frequency of shots.
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| CN202210421033.8A CN114797052B (en) | 2022-04-21 | 2022-04-21 | Fixed-point shooting training device and fixed-point shooting quality detection method |
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| CN114797052B true CN114797052B (en) | 2024-03-26 |
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| CN114797052A (en) | 2022-07-29 |
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