Tennis interactive serve device, game system and serve method

Abstract

The application discloses a tennis interactive ball serving device, a game system and a ball serving method, and belongs to the technical field of tennis interactive games, in particular to a tennis interactive ball serving device. The device solves the problem that the existing tennis game can only realize virtual tennis interaction and cannot realize physical tennis interaction with a player. The device comprises a ball falling module, a ball serving module, an angle adjusting module and a control module. The ball serving motor A and the ball serving motor B are used for driving the forward and reverse roller structure to serve the tennis ball from the ball serving port at a given force and speed. The tennis interactive ball serving device, the game system and the ball serving method are suitable for realizing real tennis interactive experience in the tennis interactive game.

Description

Technical Field

[0001] This invention relates to the field of tennis interactive game technology, and more particularly to a tennis interactive serving device. Background Technology

[0002] Tennis can improve physical fitness and health. However, most tennis (interactive) games on the market do not actually have a physical tennis ball. Instead, they use technology to generate a virtual tennis ball in the game screen for the player to interact with.

[0003] There is an urgent need for an interactive tennis ball-serving device to solve the problem that existing tennis games can only achieve virtual tennis interaction and cannot achieve physical tennis interaction with the player. Summary of the Invention

[0004] This invention proposes an interactive tennis serve device, which solves the problem that existing tennis games can only achieve virtual tennis interaction and cannot achieve physical tennis interaction with the player.

[0005] The technical solution of the tennis interactive serving device of the present invention is as follows:

[0006] The device includes: a ball-dropping module, a ball-serving module, an angle adjustment module, and a control module;

[0007] The ball-dropping module includes a ball-dropping bucket and a ball-dropping motor; the ball-dropping bucket is used to store tennis balls to be dropped; the ball-dropping motor is used to control whether the ball-dropping bucket drops balls and the number of balls dropped.

[0008] The serving module includes a serving motor A, a serving motor B, roller A, roller B, and a serving nozzle; the serving motor A is a forward-rotating motor, used to drive roller A to rotate; the serving motor B is a reverse-rotating motor, used to drive roller B to rotate; roller A and roller B form a forward and reverse-rotating roller structure, used to receive tennis balls falling from the ball dropper and to make contact with the tennis balls; the serving motor A and serving motor B are used to drive the forward and reverse-rotating roller structure to launch the tennis balls from the serving nozzle with a given force and speed;

[0009] The angle adjustment module includes an X-axis turntable, a Y-axis rotating shaft, an X-axis motor, a Y-axis motor, an X-axis position sensor, and a Y-axis position sensor;

[0010] The X-axis turntable is fixedly connected to the serving module; the X-axis motor is mounted on the X-axis turntable and is used to drive the X-axis turntable to rotate, thereby adjusting the tennis ball launch angle of the serving module in the X-axis direction; the X-axis position sensor is used to obtain the tennis ball launch angle of the serving module in the X-axis direction.

[0011] The Y-axis rotating shaft is fixedly connected to the serving module; the Y-axis motor is mounted on the Y-axis rotating shaft and is used to drive the Y-axis rotating shaft to rotate, thereby adjusting the tennis ball launch angle of the serving module in the Y-axis direction; the Y-axis position sensor is used to obtain the tennis ball launch angle of the serving module in the Y-axis direction.

[0012] The control module includes a control circuit board and a host computer; the control circuit board is used to receive control commands sent from the host computer to control whether the ball-dropping module drops the ball and the number of balls dropped, the serving power of the serving module, the serving speed, and the tennis ball launch angle.

[0013] Furthermore, in a preferred embodiment, both roller A and roller B are rubber rollers.

[0014] Furthermore, in a preferred embodiment, the control circuit board is provided with a USB communication interface for communicating with a host computer.

[0015] Furthermore, in a preferred embodiment, the ball-serving module further includes a ball-blocking cloth bag; the ball-blocking cloth bag is disposed around the ball-serving opening to prevent the tennis ball from entering the ball-dropping bucket, while not affecting the up-down and left-right swing of the ball-serving opening.

[0016] Furthermore, in a preferred embodiment, the serving module further includes a rubber wheel protective cover; the rubber wheel protective cover is disposed at the part of roller A and roller B that receives the tennis ball falling from the ball drop tube, and is used to prevent the tennis ball from entering the ball drop tube.

[0017] Furthermore, in a preferred embodiment, the device further includes a height-adjusting support column; the height-adjusting support column is used to adjust the height of the device.

[0018] This invention also proposes a tennis interactive game system, the technical solution of which is as follows:

[0019] The system includes a projection screen, an interactive tennis ball serving device, a projector, an interactive tennis court, and a recognition camera;

[0020] The tennis interactive serving device is the tennis interactive serving device described above;

[0021] The projection screen is provided with a reserved opening;

[0022] The interactive tennis ball serving device is located behind the projection screen, and the serving port of the interactive tennis ball serving device is aligned with the reserved opening on the projection screen.

[0023] Behind the projection screen are a projector, an interactive tennis court, and a recognition camera;

[0024] The projector is used to project the interactive tennis game screen onto the projection screen;

[0025] The interactive tennis court is used to simulate a real tennis court, allowing players to hit the tennis ball.

[0026] The projection screen is used to block the tennis ball returned by the hitter.

[0027] The recognition camera is used to identify the speed of the tennis ball returned by the hitter and its landing point on the projection screen;

[0028] The interactive tennis ball-serving device is used to launch a tennis ball at the hitter and to return the tennis ball to the hitter based on the speed of the tennis ball returned by the hitter and its landing point on the projection screen.

[0029] This invention also proposes an interactive tennis serve method, the technical solution of which is as follows:

[0030] The method is implemented using the aforementioned tennis interactive game system; the method includes the following steps:

[0031] The projector projects the interactive tennis game onto the projection screen;

[0032] An interactive tennis ball-serving device launches a tennis ball at the player.

[0033] The projection screen intercepts the tennis ball returned by the player.

[0034] The camera identifies the speed of the tennis ball returned by the player and its landing point on the projection screen;

[0035] The interactive tennis ball-serving device is used to return the tennis ball to the player based on the speed of the ball's return and its landing point on the projection screen.

[0036] Furthermore, in a preferred embodiment, the recognition camera identifies the speed of the tennis ball returned by the hitter and its landing point on the projection screen as follows:

[0037] The camera captures images of the movement and landing point of the tennis ball returned by the player.

[0038] Using image recognition technology, the speed of the tennis ball returned by the player is identified from the motion image of the tennis ball, and the landing point of the tennis ball on the projection screen is identified from the landing point image of the tennis ball.

[0039] Furthermore, a preferred embodiment is provided, wherein the interactive tennis ball serving device is used to return the tennis ball to the hitter based on the speed of the tennis ball returned by the hitter and its landing point on the projection screen as follows:

[0040] Based on the speed of the tennis ball returned by the player and its landing point on the projection screen, combined with the kinematic laws of tennis, the direction and speed of the returned tennis ball can be obtained.

[0041] The tennis ball interactive serving device is controlled to return the tennis ball to the hitter based on the direction and speed of the tennis ball's launch.

[0042] The present invention has the following beneficial effects:

[0043] 1. The tennis interactive serving device and tennis serving interactive control device of the present invention are interactive serving devices that use a motor as a kinetic energy source to serve tennis balls at different angles and speeds, and can realize the serving function of an interactive tennis court.

[0044] 2. In the tennis ball interactive serving device of the present invention, the tennis ball often enters the serving device from the ball opening during the tennis ball interaction process, causing the tennis ball serving device to malfunction. To address this, a soft cloth is installed on the serving device to intercept the tennis ball and improve the stability of the entire system.

[0045] 3. The tennis interactive serving system of the present invention provides a physical tennis serving device for tennis interactive games, enabling a realistic tennis interactive experience in tennis interactive games.

[0046] The tennis interactive serving device, game system, and serving method described in this invention are suitable for achieving a realistic tennis interactive experience in tennis interactive games. Attached Figure Description

[0047] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0048] Figure 1 This is a schematic diagram of the structure of a tennis interactive ball-serving device in one embodiment of the present invention;

[0049] Figure 2 This is a schematic diagram of the signal connections of the control circuit board in one embodiment of the present invention;

[0050] Figure 3 This is a schematic diagram of the structure of a tennis interactive game system according to one embodiment of the present invention;

[0051] Figure 4 This is a flowchart illustrating a tennis interactive serve method in one embodiment of the present invention.

[0052] Figure label:

[0053] 1. Rubber wheel protective cover; 2. Ball-blocking cloth bag; 3. Ball-serving motor A; 4. Ball-serving nozzle; 5. Ball-serving motor B; 6. Ball-dropping bucket; 7. Outer shell; 8. Height-adjusting support column; 101. Projection screen; 102. Interactive tennis ball-serving device; 103. Interactive tennis court; 104. Projector; 105. Recognition camera. Detailed Implementation

[0054] To make the technical solutions and advantages of the present invention clearer, the specific embodiments of the present invention will be described in further detail and completely below with reference to the accompanying drawings. The various embodiments described below are only some preferred embodiments of the present invention, and not all of them; the various embodiments described below are intended to explain the present invention and should not be construed as limiting the present invention; reasonable combinations of the technical features defined in the various embodiments of the present invention, as well as all other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort, are all within the scope of protection of the present invention.

[0055] Implementation Method 1: Combination Figures 1 to 4 This embodiment describes an interactive tennis ball-serving device, the specific implementation details of which are as follows:

[0056] The device includes: a ball-dropping module, a ball-serving module, an angle adjustment module, and a control module;

[0057] The ball-dropping module includes a ball-dropping bucket and a ball-dropping motor; the ball-dropping bucket is used to store tennis balls to be dropped; the ball-dropping motor is used to control whether the ball-dropping bucket drops balls and the number of balls dropped.

[0058] The serving module includes a serving motor A, a serving motor B, roller A, roller B, and a serving nozzle; the serving motor A is a forward-rotating motor, used to drive roller A to rotate; the serving motor B is a reverse-rotating motor, used to drive roller B to rotate; roller A and roller B form a forward and reverse-rotating roller structure, used to receive tennis balls falling from the ball dropper and to make contact with the tennis balls; the serving motor A and serving motor B are used to drive the forward and reverse-rotating roller structure to launch the tennis balls from the serving nozzle with a given force and speed;

[0059] The angle adjustment module includes an X-axis turntable, a Y-axis rotating shaft, an X-axis motor, a Y-axis motor, an X-axis position sensor, and a Y-axis position sensor;

[0060] The X-axis turntable is fixedly connected to the serving module; the X-axis motor is mounted on the X-axis turntable and is used to drive the X-axis turntable to rotate, thereby adjusting the tennis ball launch angle of the serving module in the X-axis direction; the X-axis position sensor is used to obtain the tennis ball launch angle of the serving module in the X-axis direction.

[0061] The Y-axis rotating shaft is fixedly connected to the serving module; the Y-axis motor is mounted on the Y-axis rotating shaft and is used to drive the Y-axis rotating shaft to rotate, thereby adjusting the tennis ball launch angle of the serving module in the Y-axis direction; the Y-axis position sensor is used to obtain the tennis ball launch angle of the serving module in the Y-axis direction.

[0062] The control module includes a control circuit board and a host computer; the control circuit board is used to receive control commands sent from the host computer to control whether the ball-dropping module drops the ball and the number of balls dropped, the serving power of the serving module, the serving speed, and the tennis ball launch angle.

[0063] In this embodiment, the tennis ball dropped from the ball dropper 6 lands between roller A and roller B.

[0064] In this embodiment, the rotation speeds of the ball-serving motor A3 and the ball-serving motor B5 are adjusted to control the power and speed of the serve.

[0065] In this embodiment, the device further includes a power supply; the power supply is used to provide electrical energy to the ball-dropping module, the ball-serving module, the angle adjustment module, and the control module, and converts AC to DC power.

[0066] In this embodiment, the device further includes a housing 7; the housing 7 protects the internal mechanical structure and circuitry.

[0067] In this embodiment, the control circuit board is connected to the ball drop motor, ball serve motor A3, ball serve motor B5, X-axis motor, Y-axis motor, X-axis position sensor, Y-axis position sensor, and power supply signal, respectively.

[0068] In another embodiment, both roller A and roller B are rubber rollers.

[0069] In another embodiment, the control circuit board is provided with a USB communication interface for communicating with a host computer.

[0070] In this embodiment, in order to improve the speed control capability of the ball-serving device, the control circuit board communicates with the host computer to deconstruct and analyze the control commands, thereby controlling the rotation speed of the ball-serving motor.

[0071] In another embodiment, the ball-serving module further includes a ball-blocking cloth bag; the ball-blocking cloth bag is disposed around the ball-serving opening to prevent the tennis ball from entering the ball-dropping bucket, while not affecting the up-down and left-right swing of the ball-serving opening.

[0072] It should be noted that during tennis ball interaction, the tennis ball often enters the serving device through the ball opening, causing malfunctions. To address this, a ball-blocking cloth pocket 2 is added to the front of the serving device to intercept the tennis ball, improving the overall stability of the serving device.

[0073] In another embodiment, the serving module further includes a rubber wheel protective cover; the rubber wheel protective cover is disposed at the part of roller A and roller B that receives the tennis ball falling from the ball drop box, and is used to prevent the tennis ball from entering the ball drop box.

[0074] In this embodiment, the rubber wheel protective cover 1 prevents tennis balls from entering the ball drop tube, thus protecting the normal operation of the ball-serving motors A3 and B5.

[0075] In another embodiment, the device further includes a height-adjusting support column for adjusting the height of the device.

[0076] In this embodiment, the height of the tennis ball-serving device is adjusted by raising the support column 8 to facilitate alignment with the reserved opening on the projection screen.

[0077] Implementation Method Two: Combination Figures 1 to 4 This embodiment describes a tennis interactive game system, the specific implementation details of which are as follows:

[0078] The system includes a projection screen, an interactive tennis ball serving device, a projector, an interactive tennis court, and a recognition camera;

[0079] The tennis interactive serving device is the tennis interactive serving device described in Embodiment 1;

[0080] The projection screen is provided with a reserved opening;

[0081] The interactive tennis ball serving device is located behind the projection screen, and the serving port of the interactive tennis ball serving device is aligned with the reserved opening on the projection screen.

[0082] Behind the projection screen are a projector, an interactive tennis court, and a recognition camera;

[0083] The projector is used to project the interactive tennis game screen onto the projection screen;

[0084] The interactive tennis court is used to simulate a real tennis court, allowing players to hit the tennis ball.

[0085] The projection screen is used to block the tennis ball returned by the hitter.

[0086] The recognition camera is used to identify the speed of the tennis ball returned by the hitter and its landing point on the projection screen;

[0087] The interactive tennis ball-serving device is used to launch a tennis ball at the hitter and to return the tennis ball to the hitter based on the speed of the tennis ball returned by the hitter and its landing point on the projection screen.

[0088] In this embodiment, the projection screen 101 serves both to display the tennis interactive game screen and to intercept the tennis ball returned by the player.

[0089] In this embodiment, the tennis interactive game can be stored in the host computer of the tennis interactive serving device 102, and the image can be projected onto the projection screen 101 through the projector 104.

[0090] In this embodiment, the tennis interactive serving device 102 can launch a tennis ball at the hitter when the interactive game starts, according to the settings of the tennis interactive game.

[0091] In this embodiment, the (real) tennis ball launched by the tennis interactive serving device 102 corresponds to the virtual tennis ball in the tennis interactive game screen.

[0092] In this embodiment, the tennis interactive court 103 provides a space for players to move around, making it convenient for them to hit the tennis ball.

[0093] In this embodiment, the recognition camera 105 captures the motion image of the tennis ball hit by the player and the landing point image on the projection screen. Through image recognition technology, the speed and landing point of the tennis ball hit by the player are identified.

[0094] In this embodiment, after identifying the speed and landing point of the tennis ball hit by the player, the host computer of the tennis ball interactive serving device 102 can calculate the serving direction and speed of the return tennis ball based on this and in combination with the kinematic laws of tennis; the tennis ball interactive serving device 102 returns the tennis ball to the player according to the serving direction and speed of the return tennis ball.

[0095] Implementation Method 3: Combination Figures 1 to 4 This embodiment describes an interactive tennis serve method, the specific implementation details of which are as follows:

[0096] The method is implemented using the tennis interactive game system described in Embodiment 2; the method includes the following steps:

[0097] The projector projects the interactive tennis game onto the projection screen;

[0098] An interactive tennis ball-serving device launches a tennis ball at the player.

[0099] The projection screen intercepts the tennis ball returned by the player.

[0100] The camera identifies the speed of the tennis ball returned by the player and its landing point on the projection screen;

[0101] The interactive tennis ball-serving device is used to return the tennis ball to the player based on the speed of the ball's return and its landing point on the projection screen.

[0102] In another embodiment, in the method, the recognition camera identifies the speed of the tennis ball returned by the hitter and its landing point on the projection screen as follows:

[0103] The camera captures images of the movement and landing point of the tennis ball returned by the player.

[0104] Using image recognition technology, the speed of the tennis ball returned by the player is identified from the motion image of the tennis ball, and the landing point of the tennis ball on the projection screen is identified from the landing point image of the tennis ball.

[0105] In another embodiment, in the method, the tennis interactive serving device is used to return the tennis ball to the hitter based on the speed of the tennis ball returned by the hitter and its landing point on the projection screen as follows:

[0106] Based on the speed of the tennis ball returned by the player and its landing point on the projection screen, combined with the kinematic laws of tennis, the direction and speed of the returned tennis ball can be obtained.

[0107] The tennis ball interactive serving device is controlled to return the tennis ball to the hitter based on the direction and speed of the tennis ball's launch.

[0108] The above description of several specific embodiments further details the technical solution provided by the present invention in order to highlight the advantages and benefits of the technical solution provided by the present invention. However, the above-described specific embodiments are not intended to limit the present invention. Any reasonable modifications and improvements to the present invention, reasonable combinations of embodiments, and equivalent substitutions based on the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A tennis interactive ball-serving device, characterized in that, The device includes: a ball-dropping module, a ball-serving module, an angle adjustment module, and a control module; The ball-dropping module includes a ball-dropping bucket and a ball-dropping motor; the ball-dropping bucket is used to store tennis balls to be dropped; the ball-dropping motor is used to control whether the ball-dropping bucket drops balls and the number of balls dropped. The serving module includes a serving motor A, a serving motor B, roller A, roller B, and a serving nozzle; the serving motor A is a forward-rotating motor, used to drive roller A to rotate; the serving motor B is a reverse-rotating motor, used to drive roller B to rotate; roller A and roller B form a forward and reverse-rotating roller structure, used to receive tennis balls falling from the ball dropper and to make contact with the tennis balls; the serving motor A and serving motor B are used to drive the forward and reverse-rotating roller structure to launch the tennis balls from the serving nozzle with a given force and speed; The angle adjustment module includes an X-axis turntable, a Y-axis rotating shaft, an X-axis motor, a Y-axis motor, an X-axis position sensor, and a Y-axis position sensor; The X-axis turntable is fixedly connected to the serving module; the X-axis motor is mounted on the X-axis turntable and is used to drive the X-axis turntable to rotate, thereby adjusting the tennis ball launch angle of the serving module in the X-axis direction; the X-axis position sensor is used to obtain the tennis ball launch angle of the serving module in the X-axis direction. The Y-axis rotating shaft is fixedly connected to the serving module; the Y-axis motor is mounted on the Y-axis rotating shaft and is used to drive the Y-axis rotating shaft to rotate, thereby adjusting the tennis ball launch angle of the serving module in the Y-axis direction; the Y-axis position sensor is used to obtain the tennis ball launch angle of the serving module in the Y-axis direction. The control module includes a control circuit board and a host computer; the control circuit board is used to receive control commands sent from the host computer to control whether the ball-dropping module drops the ball and the number of balls dropped, the serving power of the serving module, the serving speed, and the tennis ball launch angle.

2. The tennis interactive serving device according to claim 1, characterized in that, Both roller A and roller B are rubber rollers.

3. The tennis interactive serving device according to claim 1, characterized in that, The control circuit board is equipped with a USB communication interface for communication with a host computer.

4. The tennis interactive serving device according to claim 1, characterized in that, The ball-serving module also includes a ball-blocking cloth bag; the ball-blocking cloth bag is set around the ball-serving opening to prevent the tennis ball from entering the ball-dropping bucket, while not affecting the up-down and left-right swing of the ball-serving opening.

5. The tennis interactive serving device according to claim 1, characterized in that, The serving module also includes a rubber wheel protective cover; the rubber wheel protective cover is located at the part of roller A and roller B that receives the tennis ball falling from the ball drop box, and is used to prevent the tennis ball from entering the ball drop box.

6. The tennis interactive serving device according to claim 1, characterized in that, The device also includes a height-adjusting support column; the height-adjusting support column is used to adjust the height of the device.

7. A tennis interactive game system, characterized in that, The system includes a projection screen, an interactive tennis ball serving device, a projector, an interactive tennis court, and a recognition camera; The tennis interactive serving device is the tennis interactive serving device as described in any one of claims 1 to 6; The projection screen is provided with a reserved opening; The interactive tennis ball serving device is located behind the projection screen, and the serving port of the interactive tennis ball serving device is aligned with the reserved opening on the projection screen. Behind the projection screen are a projector, an interactive tennis court, and a recognition camera; The projector is used to project the interactive tennis game screen onto the projection screen; The interactive tennis court is used to simulate a real tennis court, allowing players to hit the tennis ball. The projection screen is used to block the tennis ball returned by the hitter. The recognition camera is used to identify the speed of the tennis ball returned by the hitter and its landing point on the projection screen; The interactive tennis ball-serving device is used to launch a tennis ball at the hitter and to return the tennis ball to the hitter based on the speed of the tennis ball returned by the hitter and its landing point on the projection screen.

8. A tennis interactive serve method, characterized in that, The method is implemented using the tennis interactive game system described in claim 7; the method includes the following steps: The projector projects the interactive tennis game onto the projection screen; An interactive tennis ball-serving device launches a tennis ball at the player. The projection screen intercepts the tennis ball returned by the player. The camera identifies the speed of the tennis ball returned by the player and its landing point on the projection screen; The interactive tennis ball-serving device is used to return the tennis ball to the player based on the speed of the ball's return and its landing point on the projection screen.

9. The tennis interactive serve method according to claim 8, characterized in that, The recognition camera identifies the speed of the tennis ball returned by the hitter and its landing point on the projection screen as follows: The camera captures images of the movement and landing point of the tennis ball returned by the player. Using image recognition technology, the speed of the tennis ball returned by the player is identified from the motion image of the tennis ball, and the landing point of the tennis ball on the projection screen is identified from the landing point image of the tennis ball.

10. The tennis interactive serve method according to claim 8, characterized in that, The interactive tennis ball serving device is used to return the tennis ball to the player based on the speed of the ball and its landing point on the projection screen, as follows: Based on the speed of the tennis ball returned by the player and its landing point on the projection screen, combined with the kinematic laws of tennis, the direction and speed of the returned tennis ball can be obtained. The tennis ball interactive serving device is controlled to return the tennis ball to the hitter based on the direction and speed of the tennis ball's launch.

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