CN111265833A - Table tennis training device - Google Patents
Table tennis training device Download PDFInfo
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- CN111265833A CN111265833A CN201911097605.6A CN201911097605A CN111265833A CN 111265833 A CN111265833 A CN 111265833A CN 201911097605 A CN201911097605 A CN 201911097605A CN 111265833 A CN111265833 A CN 111265833A
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- table tennis
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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
- A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
- A63B67/04—Table games physically beneficial for the human body, modelled on outdoor sports, e.g. table tennis
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Abstract
The application discloses a table tennis training device, when a short and small ball mode is started, a control unit records the time interval of two previous table tennis table impacts; and if the time interval is not less than the preset time value, recording that the hitting is unqualified. If the time interval is smaller than a preset time value, recording that the hitting is qualified, and further obtaining the pressure applied to the film pressure sensor corresponding to the two previous falling points of the ping-pong. If the pressure difference of the table tennis hitting the table top twice is smaller than the preset value. The table tennis ball has certain rotation when the table tennis ball impacts the table top for the first time, the rebound direction is changed, and the rebound height is smaller, so that the difference between the impact force of the table tennis ball impacting the table top for the second time and the impact force of the table tennis ball impacting the table top for the first time is smaller. Indicating that the opponent is more difficult to receive and counter hit, the stroke is recorded as excellent. The horizontal distribution of the shot in the short ball mode can be recorded through the control unit, and the training effect can be analyzed, so that the control unit can be used as a basis for improving the training mode.
Description
Technical Field
The application relates to the field of sports goods, in particular to a table tennis training device.
Background
The table tennis is a sports which is deeply loved by the people. Sports strollers are also improving the playing technique by various means. Short balls are an important skill in table tennis games. However, at present, the hitting standard of short balls is not available, and the accuracy of short ball hitting by a player cannot be determined, so that the improvement of the hitting level of the player is prevented.
Disclosure of Invention
In view of the above, there is a need to provide a table tennis training device.
A table tennis training apparatus, comprising:
a table tennis table;
a control unit;
the film pressure sensors are respectively connected with the control unit and are arranged on the surface of the table tennis table in a matrix manner;
the voice devices are respectively connected with the control unit and correspond to the film pressure sensors one by one;
the input unit is connected with the control unit and used for inputting a target area of a table tennis falling point;
the control unit is configured to set a sound generation volume of the speech device corresponding to the film pressure sensor in the target area to a first volume, set a sound generation volume of the speech device corresponding to the film pressure sensor in a first area which is farther from a center of the target area than a first distance and shorter than a second distance to a second volume, and set a sound generation volume of the speech device corresponding to the film pressure sensor in a second area which is farther from the center of the target area than the second distance and shorter than a third distance to a third volume;
wherein the first volume is greater than the second volume, the second volume is greater than the third volume, the first distance is less than the second distance, and the second distance is less than a third distance;
the control unit comprises a short ball mode when working;
when the short ball mode is started, if a ball hitting process is carried out, the table tennis comprises at least two drop points on the table tennis table;
the control unit records the time interval of two previous table tennis table surface impacts;
if the time interval is not less than the preset time value, recording that the hitting is unqualified;
if the time interval is smaller than a preset time value, recording that the hitting is qualified, further obtaining the pressure applied to the film pressure sensor corresponding to the two falling points obtained by the ping-pong, and if the pressure difference of the two hitting table tops of the ping-pong is larger than the preset value, recording that the hitting is excellent.
In one embodiment, the first region is a circular region with the first distance as an inner ring radius, the second distance as an outer ring radius, the second region is a circular region with the second distance as an inner ring radius, and the third distance as an outer ring radius.
In one embodiment, the table tennis ball detection device further comprises a counting unit connected with the control unit and used for acquiring the number of times that the table tennis ball falls in different areas according to the pressure change of the film pressure sensors in the different areas.
According to the table tennis training device provided by the embodiment of the application, when a table tennis falling point is in the first area, the sound volume of the voice equipment corresponding to the film pressure sensor in the target area is the largest, and a trainer can be prompted to hit a target in real time. If the ping-pong ball falling point deviates from the target area, for example, falls in the first area, the film pressure sensor in the first area senses a pressure signal and then transmits the pressure signal to the control unit, the control unit controls the sound volume of the voice device corresponding to the pair of film pressure sensors to be relatively small, so that a trainer is prompted to deviate from the target, and if the ping-pong ball falling point deviates farther from the target, for example, in the third area, the voice device corresponding to the film pressure sensor in the third area produces the minimum sound. Therefore, the trainer can judge the accuracy of the drop point in real time according to the sound in the training process, change the hitting direction and the force application at any time and improve the training effect.
Further, the control unit includes a short ball mode when operating. When the short and small ball mode is started, the control unit records the time interval of two previous table tennis table surface impacts; if the time interval is not less than the preset time value, the bounce distance and height of the table tennis are large, the opposite side is easy to receive and counterattack, and the hitting effect is not good, the record is unqualified. If the time interval is smaller than the preset time value, the rebound distance and the height of the ping-pong ball are smaller, the hitting is qualified, and the pressure applied to the film pressure sensor corresponding to the two previous falling points of the ping-pong ball is further obtained. If the pressure difference of the table tennis hitting the table top twice is smaller than the preset value. The table tennis ball has certain rotation when the table tennis ball impacts the table top for the first time, so that the friction force given to the table tennis ball by the table top is not vertical upwards, but is inclined relative to the table top, the rebounding direction of the table tennis ball is changed, the rebounding height is smaller, and the time of the air resistance is relatively shorter. The table tennis can remain great impact velocity when striking the desktop once more, and according to the momentum theorem, the impact force of the table tennis to the desktop is bigger when comparing in that the table tennis velocity is slower, is more difficult to take precautions against. Therefore, the difference between the impact force of the second impact on the table top and the impact force of the first impact is smaller. Indicating that the opponent is more difficult to receive and counter hit, the stroke is recorded as excellent. The horizontal distribution of the shot in the short ball mode can be recorded through the control unit, and the training effect can be analyzed, so that the control unit can be used as a basis for improving the training mode.
Drawings
FIG. 1 provides a plan view of a table tennis training apparatus according to one embodiment of the present application;
fig. 2 is a block diagram of a table tennis training apparatus according to an embodiment of the present disclosure.
Description of reference numerals:
table tennis training device 10
Table tennis table 100
Thin film pressure sensor 120
First region 180
Second region 190
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the embodiments disclosed below.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-2, an embodiment of the present application provides a table tennis training device 10. The table tennis training apparatus 10 comprises a table tennis table 100, a control unit 110, a plurality of membrane pressure sensors 120, a plurality of speech devices 130, and an input unit 140. The plurality of film pressure sensors 120 are respectively connected to the control unit 110. A plurality of membrane pressure sensors 120 are disposed on the surface of the table tennis table 100 in a matrix. It is understood that the plurality of membrane pressure sensors 120 are disposed on the underside of the cover plate of the table tennis table 100. Each of the film pressure sensors 120 can sense pressure in a certain area, and a plurality of the film pressure sensors 120 are spaced apart from each other so as to cover all areas of the surface of the table tennis table 100. Therefore, no matter where the table tennis ball falls, the film pressure sensor can transmit a pressure signal to the control unit. The control unit can be a single chip microcomputer and the like. The plurality of voice devices 130 are respectively connected to the control unit 110, and the plurality of voice devices 130 correspond to the plurality of film pressure sensors 120 one to one. Therefore, when one film pressure sensor senses pressure, the control unit can control the voice equipment corresponding to the film pressure sensor to make sound. The input unit 140 is connected to the control unit 110 and is used for inputting a target area of a table tennis ball drop point. The target area may be any location on the table tennis table.
After the target area is set, the control unit 110 sets the sound volume of the speech device 130 corresponding to the membrane pressure sensor 120 in the target area 170 to be a first volume, sets the sound volume of the speech device 130 corresponding to the membrane pressure sensor 120 in a first area 180 which is greater than the first distance and smaller than a second distance from the center of the target area 170 to be a second volume, and sets the sound volume of the speech device 130 corresponding to the membrane pressure sensor 120 in a second area 190 which is greater than the second distance and smaller than a third distance from the center of the target area 170 to be a third volume. Wherein the first volume is greater than the second volume, the second volume is greater than the third volume, the first distance is less than the second distance, and the second distance is less than the third distance. Therefore, when the ping-pong ball falling point is in the first area, the sound volume of the voice device 130 corresponding to the membrane pressure sensor 120 in the target area 170 is the maximum, and the trainer can be prompted to hit the target in real time. If the ping-pong ball falling point deviates from the target area, for example, falls on the first area, the film pressure sensor 120 in the first area 180 senses a pressure signal and then transmits the pressure signal to the control unit, the control unit controls the sound volume of the voice device 130 corresponding to the pair of film pressure sensors 120 to be relatively small, so as to prompt the trainer to deviate from the target, and if the ping-pong ball falling point deviates farther from the target, for example, in the third area, the sound production of the voice device corresponding to the film pressure sensor in the third area is minimum. Therefore, the trainer can judge the accuracy of the drop point in real time according to the sound in the training process, change the hitting direction and the force application at any time and improve the training effect.
The control unit 100 is operative to include a short bead mode. The short and small ball mode is a training mode in which the impact force of the ball on the table tennis table is small and the rebound distance of the ball is relatively small. If the impact force of the ball on the table is large, the ball can be directly popped out of the table top.
When the short ball mode is started, if a ball hitting process is carried out, the table tennis comprises at least two drop points on the table tennis table;
the control unit records the time interval of two previous table tennis table surface impacts;
if the time interval is not less than the preset time value, the bounce distance and height of the table tennis are large, the opposite side is easy to receive and counterattack, and the hitting effect is not good, the record is unqualified.
If the time interval is smaller than the preset time value, the bounce distance and the height of the ping-pong ball are smaller, the hitting is qualified, and the pressure applied to the film pressure sensor 120 corresponding to the two previous falling points of the ping-pong ball is further obtained. If the pressure difference of the table tennis hitting the table top twice is smaller than the preset value. The table tennis ball has certain rotation when the table tennis ball impacts the table top for the first time, the rebound direction is changed, and the rebound height is smaller, so that the difference between the impact force of the table tennis ball impacting the table top for the second time and the impact force of the table tennis ball impacting the table top for the first time is smaller. Indicating that the opponent is more difficult to receive and counter hit, the stroke is recorded as excellent. The horizontal distribution of the shot in the short ball mode can be recorded through the control unit, and the training effect can be analyzed, so that the control unit can be used as a basis for improving the training mode.
In one embodiment, the first region 180 is a circular region with the first distance as an inner ring radius, the second distance as an outer ring radius, and the second region 190 is a circular region with the second distance as an inner ring radius and the third distance as an outer ring radius. There may be a plurality of membrane pressure sensors 120 in each annular region.
In one embodiment, the table tennis training device 10 further comprises a counting unit 150, which is connected to the control unit 110 and is used for acquiring the number of times the table tennis ball falls in different areas according to the pressure changes of the membrane pressure sensors 120 in different areas. Therefore, the counting unit can count the probability that the table tennis ball falls in different areas in one training period.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. A table tennis training device, comprising:
a table tennis table (100);
a control unit (110);
the film pressure sensors (120) are respectively connected with the control unit (110), and the film pressure sensors (120) are arranged on the surface of the table tennis table (100) in a matrix manner;
the voice devices (130) are respectively connected with the control unit (110), and the voice devices (130) correspond to the film pressure sensors (120) one by one;
the input unit (140) is connected with the control unit (110) and is used for inputting a target area of a table tennis ball drop point;
the control unit (110) is configured to set a sound generation volume of the speech device (130) corresponding to the membrane pressure sensor (120) in the target area (170) to a first volume, set a sound generation volume of the speech device (130) corresponding to the membrane pressure sensor (120) in a first area (180) having a distance from the center of the target area (170) that is greater than the first distance and less than a second distance to a second volume, and set a sound generation volume of the speech device (130) corresponding to the membrane pressure sensor (120) in a second area (190) having a distance from the center of the target area (170) that is greater than the second distance and less than a third distance to a third volume;
wherein the first volume is greater than the second volume, the second volume is greater than the third volume, the first distance is less than the second distance, and the second distance is less than a third distance;
the control unit (100) comprises a short ball mode when working;
when the short ball mode is started, if a ball hitting process is carried out, the table tennis comprises at least two drop points on the table tennis table (100);
the control unit (100) records the time interval of two previous table tennis table hits;
if the time interval is not less than the preset time value, recording that the hitting is unqualified;
if the time interval is smaller than a preset time value, recording that the hitting is qualified, and further obtaining the pressure applied to a film pressure sensor (120) corresponding to the two previous falling points of the ping-pong table;
and if the pressure difference of the table tennis hitting the table top twice is less than the preset value, recording that the hitting is excellent.
2. Table tennis training apparatus according to claim 1, wherein said first zone (180) is an annular zone having an inner annular radius at said first distance, said second distance is an outer annular radius, said second zone (190) is an annular zone having an inner annular radius at said second distance, and said third distance is an outer annular radius.
3. Table tennis training apparatus according to claim 2, further comprising a counting unit (150) connected to said control unit (110) for obtaining the number of times the table tennis ball is dropped in different areas based on the pressure changes of said membrane pressure sensors (120) in different areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097605.6A CN111265833B (en) | 2019-11-12 | 2019-11-12 | Table tennis training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097605.6A CN111265833B (en) | 2019-11-12 | 2019-11-12 | Table tennis training device |
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| Publication Number | Publication Date |
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| CN111265833A true CN111265833A (en) | 2020-06-12 |
| CN111265833B CN111265833B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911097605.6A Expired - Fee Related CN111265833B (en) | 2019-11-12 | 2019-11-12 | Table tennis training device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111840966A (en) * | 2020-07-29 | 2020-10-30 | 山东科技大学 | Intelligent evaluation method and system for table tennis training based on image recognition |
| CN115518359A (en) * | 2022-09-29 | 2022-12-27 | 郑进伟 | Multifunctional table tennis training board |
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2019
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Patent Citations (6)
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| DE20214796U1 (en) * | 2002-04-20 | 2003-02-27 | Fasterding Oliver | Pin ball reaction training unit has computer sensors and play area changes |
| CN201782279U (en) * | 2010-08-28 | 2011-04-06 | 蔡诗伟 | Professional ping-pong player training table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115518359A (en) * | 2022-09-29 | 2022-12-27 | 郑进伟 | Multifunctional table tennis training board |
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| CN111265833B (en) | 2021-07-30 |
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