CN107261474B - Intelligent billiard training system - Google Patents

Intelligent billiard training system Download PDF

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Publication number
CN107261474B
CN107261474B CN201710599838.0A CN201710599838A CN107261474B CN 107261474 B CN107261474 B CN 107261474B CN 201710599838 A CN201710599838 A CN 201710599838A CN 107261474 B CN107261474 B CN 107261474B
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billiard
rod
training
ball
sensor
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CN107261474A (en
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屈莉莉
朱振武
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Foshan University
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Foshan University
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63DBOWLING GAMES, e.g. SKITTLES, BOCCE OR BOWLS; INSTALLATIONS THEREFOR; BAGATELLE OR SIMILAR GAMES; BILLIARDS
    • A63D15/00Billiards, e.g. carom billiards or pocket billiards; Billiard tables
    • A63D15/006Training or aiming arrangements on billiard tables

Abstract

The invention discloses an intelligent billiard training system, which comprises a training billiard table, a training billiard rod and a data processing module, wherein the data processing module is used for processing the distance measurement between each plane of the training billiard table and the record of the moving image of billiards by utilizing a data acquisition system, inputting the data into the data processing module, processing the data by the data processing module, obtaining each parameter related to the balance degree, friction factors and the rebound degree of the edges of billiard plates, recording the hitting force of a trainer when the training billiard rod hits balls, and transmitting the hitting force into electric information to the data processing module, and the data processing module is used for summarizing and displaying the obtained information to the trainer, so that the trainer can lift the moving level by depending on the parameters, and the problem of low intelligentization of the conventional billiard movement hardware is solved.

Description

Intelligent billiard training system
Technical Field
The invention relates to the technical field of sports machinery, in particular to an intelligent billiard training system.
Background
With the development of society, the leisure sports of playing billiards are increasingly favored by people.
The hardware components of the existing billiard sport generally comprise a billiard table and a billiard rod, along with the development of Internet of things, more and more devices are interconnected and communicated, and billiard is used as elegant indoor sport and should keep pace with the trend. Hardware upgrading of billiard sports is imperative, and in particular, the hardware of billiard sports for training should be more intelligent.
Through years of research and development experience, the applicant develops an intelligent billiard training system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an intelligent billiard training system.
The invention solves the technical problems as follows: the utility model provides an intelligence billiard training system, includes training ball table, training club, data processing module, its characterized in that: the data processing module is respectively connected with the training ball table and the training ball rod in a wireless mode, and the ball rod comprises: the utility model provides a training ball table, including first pole portion, second pole portion, data transmission module, first pole portion is connected through first silica gel cover with the second pole portion, the afterbody of first pole portion is cup jointed to first silica gel cover and the head of second pole portion, be equipped with between the afterbody of first pole portion and the head of second pole portion and be used for detecting the piezoelectric film of first pole portion vibration, piezoelectric film with data transmission module connects and will the vibration information of first pole portion is transmitted to data transmission module, data transmission module cup joints through the second silica gel cover the afterbody of second pole portion, data transmission module will the vibration information of second pole portion is through wireless link layer transmission for data processing module, training ball table includes: the table body, the table body is equipped with data acquisition system, data acquisition system includes: the table is characterized in that the table is provided with a support right above the table body and a camera for recording images of billiard moving on the stone slab, the plane where the support is located is balanced with the stone slab of the table body, the table body is provided with a first sensor for measuring the distance between the lower side surface of the stone slab and the ground, the support is provided with a second sensor for measuring the distance between the plane where the support is located and the ground, the support is further provided with a third sensor for measuring the distance between the plane where the support is located and the warehouse edge of the table body, the support is further provided with a fourth sensor for measuring the distance between the plane where the support is located and the stone slab of the table body, and the data processing module is respectively connected with the first sensor, the second sensor, the third sensor, the fourth sensor and the camera through wireless link layers.
Further, cotton pads are arranged between the tail part of the first rod part and the piezoelectric film, and between the head part of the second rod part and the piezoelectric film.
Further, the first sensor, the second sensor, the third sensor and the fourth sensor are all ultrasonic sensors.
Further, the first sensor is composed of 4 ultrasonic sensors respectively positioned at 4 corners of the lower side of the stone slab.
Further, the second sensor is composed of 2 ultrasonic sensors respectively positioned in the middle of the side edge of the bracket.
Further, the middle part of support is equipped with the horizontal pole, third, fourth inductor is by 1 ultrasonic sensor composition, third, fourth inductor is all installed on the horizontal pole.
Further, the wireless link layer is a bluetooth link layer.
The beneficial effects of the invention are as follows: the intelligent billiard training system comprises a training billiard table, a training billiard rod and a data processing module, wherein the distance measurement between each plane of the training billiard table and the record of a moving image of billiard ball are utilized by the data acquisition system, the data are input into the data processing module, the data processing module processes the data and obtains various parameters about the balance degree, friction factors and rebound degree of the edges of billiard ball, meanwhile, the training billiard rod records the hitting force of a trainer when hitting balls and converts the hitting force into electric information to be sent to the data processing module, and the data processing module gathers and displays the obtained information to the trainer, so that the trainer can improve the moving level by depending on the parameters, and the problem of low intelligentization of the conventional billiard ball moving hardware is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic diagram of a frame of a billiard training system;
FIG. 2 is a schematic view of a structure and data processing module of a training club;
FIG. 3 is a cross-sectional view of a portion of a training club where a first shaft is joined to a second shaft;
FIG. 4 is a schematic diagram of a connection relationship of a data transmission module;
FIG. 5 is a schematic diagram of the structure and data processing module of the training table;
figure 6 is a schematic side view of a training table;
FIG. 7 is a schematic diagram of a connection relationship of data processing modules.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict.
Embodiment 1, referring to fig. 1, an intelligent billiard training system includes a training table, a training club, and a data processing module a4, where the data processing module a4 is respectively connected with the training table and the training club in a full duplex wireless manner.
With reference to fig. 2, 3 and 4, the training club includes: the utility model provides a data transmission module 4, first pole portion 11, second pole portion 12, first pole portion 11 is connected through first silica gel cover 2 with second pole portion 12, the afterbody of first pole portion 11 is cup jointed to first silica gel cover 2 and the head of second pole portion 12, be equipped with the piezoelectric film 22 that is used for detecting first pole portion 11 vibration between the afterbody of first pole portion 11 and the head of second pole portion 12, piezoelectric film 22 with data transmission module 4 is connected and will the vibration information of first pole portion 11 is transmitted to data transmission module 4, data transmission module 4 cup joints through second silica gel cover 3 the afterbody of second pole portion 12, data transmission module 4 includes: a first Bluetooth main module, an MCU chip, an acceleration sensor, an A/D converter and a power supply system, wherein the power supply system is used for providing electric energy for the first Bluetooth main module, the MCU chip, the acceleration sensor and the A/D converter, the acceleration sensor is used for detecting the acceleration of the second rod part 12 and converting an acceleration analog signal of the second rod part 12 into a digital signal through the A/D converter, the A/D converter sends the digital signal to an MCU chip, and the MCU chip controls the first Bluetooth main module and sends the vibration information and the digital signal to a data processing module a4 through a Bluetooth link layer.
With reference to fig. 5 and 6, the training ball table comprises a table body provided with a plurality of piecesA data acquisition system, the data acquisition system comprising: the table comprises a table body, a support and a camera, wherein the support is arranged right above the table body and is used for recording moving images of billiards on stone plates, the support is composed of a rod AB, BC, CD, DA, a cross rod EF is arranged in the middle of the support, stone plates a2 of the table body are balanced with planes where the support is arranged, ultrasonic sensors a, b, c, d are sequentially arranged at 4 corners of the lower side of each stone plate a2, and the ultrasonic sensors a, b, c, d are used for measuring the distance between the lower side surface and the bottom surface of each stone plate a2 and are sequentially identified as H a 、H b 、H c 、H d ,H a Is equal to H in size b 、H c 、H d An ultrasonic sensor e is arranged in the middle of the rod AB, an ultrasonic sensor f is arranged in the middle of the rod CD, wherein the ultrasonic sensors e and f are used for measuring the distance between the plane ABCD where the bracket is positioned and the ground, and the mark is H e 、H f Be equipped with 2 ultrasonic sensor on horizontal pole EF, be respectively: ultrasonic sensor g, H, the middle part of horizontal pole EF is equipped with camera a1, ultrasonic sensor g is used for measuring the distance between support place plane ABCD and the storehouse limit a3, and the sign is H g The ultrasonic sensor H is used for measuring the distance between the plane ABCD where the bracket is located and the stone slab a2, and is identified as H h . The data acquisition system further comprises a second Bluetooth main module, and the second Bluetooth main module is used for transmitting information measured by the ultrasonic waves a, b, c, d, e, f, g, h and the camera a1 to the data processing module a4 through a Bluetooth link layer.
Referring to fig. 7, the data processing module a4 includes: the Bluetooth slave module is matched with the first Bluetooth main module and the second Bluetooth main module and receives information sent by the first Bluetooth main module and the second Bluetooth main module, the Bluetooth slave module transmits the information to the central processor, and the central processor obtains by calculation: the striking strength of the billiard cue, the balance degree of billiard stone plates, friction factors, the rebound degree of the warehouse edge and the track of billiards are trained and displayed through the display module.
The calculation principles of the balance degree, friction factors, rebound degree of the library edge and the track of the billiard ball are as follows:
degree of balance, the degree of balance refers to the degree of balance between the stone slab a2 and the ground, the invention uses the symbol P 1 The label is calculated by the following formula:
the dynamic friction factor, identified as u, is calculated on the principle: setting a billiard ball to move from an I point to a J point on a billiard table, wherein the coordinates of the I point and the J point can be obtained from the recorded data of a camera a1, and the coordinates are respectively as follows: (x 1, y 1) and (x 2, y 2), then the dynamic friction factor u can be obtained according to the algorithm formula,wherein:
g=9.8m/s 2
wherein K is 1 K is the ratio of the size of the billiard ball on the picture shot by the camera a1 to the size of the billiard ball in practice 2 Focal length and H of lens of camera a1 h Is a ratio of (2).
The rebound degree of the pool edge is marked as w, and the speed of the billiard ball before the billiard ball hits the pool edge is assumed to be V 1 The speed after the bank side rebounds becomes V 2 Then the coordinates (x 3, y 3) and (x 4, y 4) are obtained from the moving image obtained by the camera a1 at the moment before the billiard ball collides with the warehouse edge and at the moment before the billiard ball leaves the warehouse edge, and then the rebound degree w can be obtained according to an algorithm;
the algorithm is as follows:wherein:
wherein K is 1 K is the ratio of the size of the billiard ball on the picture shot by the camera a1 to the size of the billiard ball in practice 2 Focal length and H of lens of camera a1 h Is a ratio of (2).
The method comprises the following steps that the data processing module a4 performs image processing on a moving image of the billiard ball recorded by the camera a1, wherein the principle is as follows: the method comprises the steps of starting video of billiards from movement to end, decomposing the video into a plurality of pictures according to the speed of 18 frames per second, setting coordinates of pixel points in each picture by a program, recording the coordinates of the billiards in each picture, finally marking colors of the corresponding pixel points on the picture after the billiards are moved, and forming tracks.
It should be noted that how the data processing module a4 calculates the balance, the friction factor, the rebound degree of the pool side, the trajectory of the billiard ball and calculates the hitting strength of the training billiard ball according to the vibration information according to the above principle is not the protection point of the present invention.
As an optimization, cotton pads 21 are arranged between the tail of the first rod 11 and the piezoelectric film 22, and between the head of the second rod 12 and the piezoelectric film 22. The pad 21 is used as a buffer to prevent the piezoelectric film 22 from being damaged due to the excessive force of the trainer.
The content displayed by the display module comprises: items of play such as "2017 autumn eastern region snooker master play"; real-time important parameters such as "thickness of stone slab a2, balance, height of bank side a3, bank side rebound, striking strength, friction factor, height of stone slab a2, height of plane ABCD", etc.; as optimization, the display module is a touch screen and is provided with a plurality of manual selection buttons, such as manual selection buttons of video playback, score increasing, score information, game progress and the like; the display area of the display module may display a video (real-time video) photographed by the camera a1 in real time or a previous video (playback video) according to manual selection; the real-time game score of the current players, such as Zhang three VS Li four, is: 58 VS 68, if the four winnings are received, the four winnings are popped up in the center of the display area.
Before a game, some settings need to be made, such as: game item names, game types, and game progress of all players, etc.; the match type comprises one of a snooker ball, a American 9 ball, a Chinese 15 ball and the like; the competition progress of the competition player comprises a first round, a second round, a third round, a half-resolution, a resolution, etc. which are well defined.
After the 'video playback' button is manually clicked, the manual setting of playback time and default playback time, wherein the default playback time is the time from the last batting to stopping of all balls by the system, can be selected; meanwhile, the display area can display video information shot by the playback camera a1, wherein the video information comprises a movement track of a billiard ball, a ball feeding coordinate or position of the billiard ball and a stopping coordinate or position of the billiard ball; manual clicking on "increase score", which is to make a manual penalty, and input a penalty, such as "the other parts of the person hit a billiard ball before hitting the ball"; manual clicking on "score information" can view the condition information of each score; the competition progress can be checked by manually clicking the competition progress.
The scoring method is as follows: stopping moving after each batting, identifying the information attribute of the balls in the bag through images, and judging the adding score or subtracting score by utilizing a pre-selected standard match rule base; if the count remains unchanged, the system also judges whether to add or subtract the score by calling back the video record, identifying the batting information and the ball collision information through images, and utilizing a pre-selected set standard match rule base.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included within the scope of the present invention as defined in the appended claims.

Claims (3)

1. An intelligent billiard training system comprises a training ball table, a training ball rod and a data processing module (a 4), and is characterized in that: the data processing module (a 4) is respectively connected with the training ball table and the training ball rod in a wireless mode, and the training ball rod comprises: the training ball table comprises a first rod part (11), a second rod part (12) and a data transmission module (4), wherein the first rod part (11) is connected with the second rod part (12) through a first silica gel sleeve (2), the tail part of the first rod part (11) is sleeved with the head part of the second rod part (12) through the first silica gel sleeve (2), a piezoelectric film (22) used for detecting vibration of the first rod part (11) is arranged between the tail part of the first rod part (11) and the head part of the second rod part (12), the piezoelectric film (22) is connected with the data transmission module (4) and transmits vibration information of the first rod part (11) to the data transmission module (4), the data transmission module (4) is sleeved with the tail part of the second rod part (12) through the second silica gel sleeve (3), and the data transmission module (4) transmits the vibration information to the data processing module (a 4) through a wireless link layer, and the training ball table comprises: the table body, the table body is equipped with data acquisition system, data acquisition system includes: the table comprises a support arranged right above the table body and a camera (a 1) for recording images of the movement of billiards on a stone slab (a 2), wherein a plane (ABCD) where the support is arranged is balanced with the stone slab (a 2) of the table body, the table body is provided with a first sensor for measuring the distance between the lower side surface of the stone slab (a 2) and the ground, the support is provided with a second sensor for measuring the distance between the plane (ABCD) where the support is arranged and the ground, the support is also provided with a third sensor for measuring the distance between the plane (ABCD) where the support is arranged and a warehouse edge (a 3) of the table body, the support is also provided with a fourth sensor for measuring the distance between the plane (ABCD) where the support is arranged and the stone slab (a 2) of the table body, and the data processing module (a 4) is respectively connected with the first sensor, the second sensor, the third sensor and the fourth sensor and the camera (a 1) through wireless link layers;
the bracket is composed of a rod AB, BC, CD, DA, wherein the middle part of the bracket is provided with a cross rod EF, the 4 corners of the lower side of the stone plate (a 2) are sequentially provided with ultrasonic sensors a, b, c, d, and the ultrasonic sensors a, b, c, d are used for measuring the distance between the lower side surface and the bottom surface of the stone plate (a 2) and are sequentially marked as H a 、H b 、H c 、H d ,H a Is equal to H in size b 、H c 、H d An ultrasonic sensor e is arranged in the middle of the rod AB, an ultrasonic sensor f is arranged in the middle of the rod CD, wherein the ultrasonic sensors e and f are used for measuring the distance between the plane (ABCD) where the bracket is positioned and the ground, and the mark is H e 、H f Be equipped with 2 ultrasonic sensor on horizontal pole EF, be respectively: ultrasonic sensors g and H, wherein the ultrasonic sensor g is used for measuring the distance between the plane (ABCD) where the bracket is positioned and the warehouse edge a3, and is marked as H g The ultrasonic sensor H is used for measuring the distance between the plane (ABCD) where the bracket is located and the stone slab (a 2), and is identified as H h
The data processing module (a 4) is used for obtaining the following calculation: training the striking strength of a ball rod, the balance degree of a billiard stone plate, friction factors, the rebound degree of a warehouse edge and the track of billiards, and displaying the billiards through a display module;
the calculation principles of the balance degree, friction factors, rebound degree of the library edge and the track of the billiard ball are as follows:
the balance degree refers to the balance degree between the stone slab (a 2) and the ground, and is denoted by P 1 The label is calculated by the following formula:
the dynamic friction factor, identified as u, is calculated on the principle: setting a billiard ball to move from an I point to a J point on a billiard table, wherein the coordinates of the I point and the J point can be obtained from the recorded data of a camera a1, and the coordinates are respectively as follows: (x 1, y 1) and (x 2, y 2), then the dynamic friction factor u can be obtained according to the algorithm formula,wherein:
g=9.8m/s 2
wherein K is 1 K is the ratio of the size of the billiard ball on the picture shot by the camera (a 1) to the size of the billiard ball in practice 2 Focal length and H of lens of camera (a 1) h Is a ratio of (3);
the rebound degree of the pool edge is marked as w, and the speed of the billiard ball before the billiard ball hits the pool edge is assumed to be V 1 The speed after the bank side rebounds becomes V 2 Then coordinates (x 3, y 3) and (x 4, y 4) are obtained from the moving image obtained by the camera (a 1) at the moment before the billiard ball collides with the warehouse edge and at the moment before the billiard ball leaves the warehouse edge, and then the rebound degree w can be obtained according to an algorithm;
the algorithm is as follows:wherein:
wherein K is 1 K is the ratio of the size of the billiard ball on the picture shot by the camera (a 1) to the size of the billiard ball in practice 2 Focal length and H of lens of camera (a 1) h Is a ratio of (3);
the method comprises the following steps that (1) a data processing module (a 4) performs image processing on a moving image of billiards recorded by a camera (a 1), wherein the principle is as follows: the method comprises the steps of starting video of billiards from movement to end, decomposing the video into a plurality of pictures according to the speed of 18 frames per second, setting coordinates of pixel points in each picture by a program, recording the coordinates of the billiards in each picture, finally marking colors of the corresponding pixel points on the picture after the billiards are moved, and forming tracks.
2. An intelligent billiard training system as claimed in claim 1, wherein: cotton pads (21) are arranged between the tail part of the first rod part (11) and the piezoelectric film (22) and between the head part of the second rod part (12) and the piezoelectric film (22).
3. An intelligent billiard training system as claimed in claim 1, wherein: the wireless link layer is a Bluetooth link layer.
CN201710599838.0A 2017-07-21 2017-07-21 Intelligent billiard training system Active CN107261474B (en)

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CN110390693B (en) * 2019-06-28 2022-02-22 深圳盈天下视觉科技有限公司 Control method, control device and terminal equipment
CN112816117B (en) * 2021-02-01 2022-06-14 深圳市瑞驰文体发展有限公司 Billiard movement process detection, storage and multiple-disc display method and system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103357169A (en) * 2013-08-04 2013-10-23 无锡同春新能源科技有限公司 Training cue
CN103877721A (en) * 2013-07-12 2014-06-25 北京瑞盖科技有限公司 Billiard training aiding system and method
CN104190074A (en) * 2014-09-20 2014-12-10 赵涛 Billiard simulation training device
CN106178481A (en) * 2016-07-15 2016-12-07 彭晓辉 The analytical equipment of a kind of billiard training, system and the method for analysis
CN106267797A (en) * 2016-09-09 2017-01-04 上海斐讯数据通信技术有限公司 A kind of cue and billiard ball exerciser
CN106853290A (en) * 2015-12-09 2017-06-16 西安沃贝农业科技有限公司 A kind of billiards supplemental training device
CN207024594U (en) * 2017-07-21 2018-02-23 佛山科学技术学院 A kind of intelligent billiards training system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103877721A (en) * 2013-07-12 2014-06-25 北京瑞盖科技有限公司 Billiard training aiding system and method
CN103357169A (en) * 2013-08-04 2013-10-23 无锡同春新能源科技有限公司 Training cue
CN104190074A (en) * 2014-09-20 2014-12-10 赵涛 Billiard simulation training device
CN106853290A (en) * 2015-12-09 2017-06-16 西安沃贝农业科技有限公司 A kind of billiards supplemental training device
CN106178481A (en) * 2016-07-15 2016-12-07 彭晓辉 The analytical equipment of a kind of billiard training, system and the method for analysis
CN106267797A (en) * 2016-09-09 2017-01-04 上海斐讯数据通信技术有限公司 A kind of cue and billiard ball exerciser
CN207024594U (en) * 2017-07-21 2018-02-23 佛山科学技术学院 A kind of intelligent billiards training system

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