CN101073704A - Table-tennis table with edge-ball discriminating system - Google Patents
Table-tennis table with edge-ball discriminating system Download PDFInfo
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- CN101073704A CN101073704A CN 200610082295 CN200610082295A CN101073704A CN 101073704 A CN101073704 A CN 101073704A CN 200610082295 CN200610082295 CN 200610082295 CN 200610082295 A CN200610082295 A CN 200610082295A CN 101073704 A CN101073704 A CN 101073704A
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Abstract
The invention is concerned with the table for table tennis that is with the determinant system of edge ball, which the judge or the audience can determine the ball whether or not is a edge ball accurately. The characteristic is: sets the transducer or the system (-) under the table; the signal processing analyze system (-) determines whether or not transfer the caution image sound, display determinant result or sent out caution light by the sound image outputting equipment or the display lighting equipment (-) according to difference of the diagnostic information between the sound wave and the vibration wave of the edge ball and non-edge ball.
Description
1. technical field the present invention relates to a kind of table tennis table that detection system is judged in edge ball that has.The use of this table tennis table can make whether judge or easier the judging more accurately of spectators are edge balls.
2. background technology is present, known table tennis table is by billiard table, net, rack, compositions such as billiard table frame, according to the regulation of International Table Tennis Federation, the sportsman gets to ball on the opponent's court table top in the match, perhaps get to (being usually said edge ball) on the opponent's court mesa edge, be the fair ball that conforms with rule.The referee mainly depends on its vision and the sense of hearing to penalty in, but inaccurate sometimes to the penalty of some ball, and for example edge ball (comprising the side edge ball) causes the dispute between the sportsman often.Since edge ball moment flight path near straight line, coming penalty to be difficult to sometimes distinguish from vision is straight line or curve, the bump sound of edge ball simultaneously is less, if it is bigger to add the noise of competition area, judge whether to be close to from the sense of hearing and more be difficult to penalty, thereby might be judged to a fair ball out-of-bounds, cause erroneous judgement.International Table Tennis Federation has brought into use big ball at present, according to statistics, the use of big ball makes that the probability of edge ball obviously increases in the match, so Cai Pan erroneous judgement also correspondingly increases, thereby might be because the erroneous judgement of one or several edge ball changes hands a champion, this shows that the innovation of table tennis equipment is imperative.Up to the present, have edge ball and judge that the table tennis table of detection system does not also emerge.
3. summary of the invention the invention provides a kind of advanced person's table tennis table in order to overcome problem recited above, a kind of table tennis table that has edge ball judgement detection system.Table tennis table of the present invention is by billiard table, net, and rack, the billiard table frame, compositions such as detection system are judged in edge ball.Billiard table length and width height, the conformance to standard of feature such as elasticity of net length and width height and table top or technical indicator and International Table Tennis Federation.Table tennis table following by sensor or its system (1), signal processing analysis is recognition system (2) relatively, audiovideo output equipment or show flash unit compositions such as (3).The present invention not only meets the rule of International Table Tennis Federation, and can greatly improve the accuracy of edge ball penalty.
4. the present invention will be further described below in conjunction with accompanying drawing (side view) for description of drawings.Earlier the numbering among the figure is carried out as directed: 1. sensor or its system, 2. signal processing analysis recognition system relatively, 3. audiovideo output equipment or show flash unit.Wherein the sensor in sensor or its system (1) adopts acoustic detector, or vibration detector, or the combination of acoustic vibration detector, comprise the one or more dimensions vibrating sensor, the one or more dimensions sonic sensor, bottom surface installation at table tennis table is one or more, and multidimensional sensor claims multidirectional or many components or multiaxis to sensor again.See figure, when table tennis bump billiard table, the sound wave (comprising infrasound, ultrasonic wave and microwave) of the various frequencies that sensor or its system (1) can will receive at once and vibration wave signal transfer to relatively recognition system (2) of signal processing analysis.Signal processing analysis relatively recognition system (2) will carry out the sequential record to acoustic signals and vibration signal respectively simultaneously, conditioning (filter etc.), analyze, relatively, detection identifies whether contain special information of having of edge ball and feature, and determine whether spread out of caution, be very beneficial for referee's fair penalty, guaranteed the fair and reasonable of match by sound figure output equipment or demonstration flash unit (3).
5. specific embodiment the present invention implements in the following way: under the bottom surface of the table tennis table that meets Table Tennis Union's regulation, sensor installation or its system (1), select acoustic detector or vibration detector for use, or the combined sensor of acoustic detector and vibration detector, the acceleration transducer that comprises one or more dimensions (multidirectional), the speed displacement sensor, or sound wave ultrasonic sensor, bottom surface at table tennis table is installed one or more, comprise near the middle part or middle part that can be installed in bottom surface, wherein acoustic detector is that the sound wave that is used for surveying the various frequencies that table tennis and billiard table bump produce (contains infrasound, ultrasonic wave and microwave), comprise detection in air and the various frequency sound waves of billiard table internal communication, vibration detector is the vibration (comprising various frequencies) that is used for surveying table tennis table.Signal processing analysis compares the bottom surface that recognition system (2) is installed in table tennis table, adopt single-chip microcomputer or PLC or DSP or PLD, CPLD or other high speed processors (chip) or super simulation process all can, use a computer and carry out data and handle and also can, cost height only can be selected the type of data processor according to user's needs.Audiovideo output equipment or flash unit (3) are installed in that the judge spectators see clearly easily or the place heard gets final product, wherein signal processing analysis recognition system (2) is to be used for respectively acoustic signals to the various frequencies of sensor output (comprising infrasound, ultrasonic wave and microwave) and vibration signal carry out sequential record, conditioning (filter etc.), analyze, identify the information that wherein whether contains the ripple of edge ball.When table tennis clashed into billiard table arbitrarily, sensor or its system (1) can transfer to relatively recognition system (2) of signal processing analysis with sound wave (comprising infrasound, ultrasonic wave and microwave) and the vibration signal that receives at once.Signal processing analysis relatively recognition system (2) will (comprise infrasound to acoustic signals respectively, ultrasonic wave and microwave signal) and vibration signal carry out sequential record simultaneously, conditioning (filtering etc.), analyze, relatively, different between the signal message feature that detection identifies edge ball and the non-edge ball, its difference mainly is that the sound wave of edge ball (contains infrasound, ultrasonic wave and microwave) and vibration wave frequency (or the difference of frequency or difference or contrast or ratio etc.), phase place (or the difference of phase place or difference or contrast or ratio etc.), amplitude (or the difference of amplitude or difference or contrast or ratio etc.), displacement (or the difference of displacement or difference or contrast or ratio), speed (or the difference of speed or difference or contrast or ratio etc.), acceleration (or the difference of acceleration or difference or contrast or ratio etc.), different between the distinctive information characteristics of waveform (or the difference of waveform and pulsewidth or difference or contrast or ratio or the contrast of time-domain and frequency-domain feature) or the like these edge balls and the non-edge ball signal (or the difference of signal or difference or contrast or ratio etc.), thereby whether decision by the audiovideo output equipment or show whether flash unit (3) spreads out of caution sound or sends caution light or show is edge ball, and the billiard table which side is presented at is close to.Table tennis normally clashes into table top interior or the side of bump billiard table or the lower limb position of side of billiard table, or racket, when hands etc. are run into billiard table or adjacent billiard table and are close to, because passed through signal condition, its sound wave and vibration wave frequency (or difference on the frequency or difference or contrast), phase place (or phase difference or difference or contrast), amplitude (or difference of vibration or difference or contrast ratio), velocity of displacement acceleration (or its difference or difference or contrast or ratio), waveform information and features such as (or waveform difference or difference or contrasts), with different between the peculiar signal message feature (or the difference of signal or difference or contrast or ratio etc.) of edge ball, so do not send caution.Need to prove, " difference or difference or contrast or ratio etc. " between the above-mentioned said sensor signal, not only comprise difference or difference or contrast or ratio between each sensor signal, also comprise difference or difference or contrast or the ratio of single multidimensional (multidirectional) sensor between the signal of different directions (or axial).Have only when edge ball takes place, signal processing analysis relatively recognition system (2) has identified the acoustic characteristic information (characteristic information that contains the infrasound ultrasonic wave microwave of edge ball) of edge ball and the vibration performance information of edge ball simultaneously, audiovideo output equipment or demonstration flash unit (3) be the meeting instant alarm, promptly many (five) warning of reflecting, thus the wrong report that produces because of the various environmental disturbances factors in competition field or human factor avoided.In actual applications, can adopt a mirror, two mirror, three mirror, four mirror, wherein a kind of during five mirror are reported to the police according to the situation of user's specific requirement in the concrete match.Can in real racetrack, not adopt instant alarm in real time yet, detect the judgement edge ball and adopt hand to report to the police, if that is: both sides sportsman disputes on if occur to the penalty of edge ball in the match, match is carried out together at present equally as usual, and audiovideo output equipment or demonstration flash unit (3) do not show whether maybe need not show is edge ball; And when the dispute words that penalty occurs, the referee can start hand push button or remote control mode, thereby show " edge ball " or " non-edge ball " printed words (also may show " neither edge ball neither non-edge ball " printed words, this situation might appear for the judgement of side edge).If adopt non-automatic instant alarm mode, signal processing analysis relatively recognition system (2) also can begin to analyze identification after the referee starts manual button or remote control mode.The table tennis table that different manufacturers is produced and the texture material and the structure of table tennis are different, the information characteristics of edge ball can be slightly different, but for the table tennis table of same model, the information characteristics of edge ball is basic identical, but has different with the information characteristics of non-edge ball.Through painstaking efforts for many years, made this sample that the table tennis table of detection system is judged in edge ball that has at present, result of use is fairly good, can use in match among the people or world match fully.
Claims (4)
1, a kind of table tennis table, a kind of table tennis table that has edge ball judgement detection system.It can be accurately, sensitive, judge and detect table tennis and whether table top is close to apace.It is characterized in that: under the bottom surface of the table tennis table that meets International Table Tennis Federation regulation (comprise bottom surface the middle part or middle near) sensor installation or sensing system, sensor is selected vibration detector for use, acoustic detector, or the combined type trans of acoustic detector and vibration detector, comprise the one or more dimensions vibrating sensor, one or more dimensions sound wave ultrasonic sensor is installed one or more at the bottom surface of table tennis table as required.Acoustic detector is to be used for surveying the various frequency sound waves that table tennis and billiard table bump produce (to contain infrasound, ultrasonic wave and microwave), comprise that detection is in air and the various frequency sound waves of billiard table internal communication, and the vibration detector (acceleration transducer that comprises the one dimension multidimensional, velocity sensor, displacement transducer) be the vibration wave (comprising various frequencies) that is used for surveying table tennis table.Signal processing analysis comparison recognition system is installed in the bottom surface of table tennis table, adopt single-chip microcomputer or PLC or DSP or DCS or PLD, CPLD or other high-speed data processor (chip) handle all can (with computer carry out data handle also can), the processor kind is not limit, audiovideo output equipment or show that flash unit is installed in that the judge spectators see clearly easily or the place heard gets final product, wherein the signal processing analysis recognition system is to be used for respectively the signal of acoustic detector and vibration detector is carried out the sequential record, conditioning (filter etc.), analyze, detect, judge the peculiar information that wherein whether contains edge ball that relatively identifies, be the peculiar signal characteristic and non-different between the signal of being close to of edge ball, it mainly is the frequency (or difference on the frequency or its difference or its contrast or its ratio etc.) that the edge ball vibration involves sound wave, phase place (or phase difference or its difference or its contrast or its ratio etc.), amplitude (or difference of vibration or its difference or its contrast or its ratio etc.), speed (or speed difference or its difference or its contrast or its ratio etc.), acceleration (or acceleration difference or its difference or its contrast or its ratio etc.), displacement (or displacement difference or its difference or its contrast or its ratio etc.), waveform (or waveform and pulse width difference or its difference or its contrast or its ratio, or time-domain and frequency-domain difference) or the like different between peculiar information characteristics and the non-edge ball signal (or signal difference or or its difference or its contrast or its ratio etc.), thereby whether decision reports to the police output shows, and the billiard table which side is presented at is close to.(comprise that table tennis strikes the situation of the side of billiard table or side lower limb or the like) when table tennis clashes into billiard table arbitrarily, sensor or its system can transfer to relatively recognition system of signal processing analysis with acoustic signals and the vibration wave signal that receives at once.Signal processing analysis comparison recognition system is nursed one's health (filtering etc.) simultaneously with acoustic signals and vibration signal respectively, analyze, relatively, detect judgement and identify information and the feature that whether contains edge ball, thereby determine whether spread out of caution sound or send caution light and demonstration result of determination by audiovideo output equipment or demonstration flash unit.Table tennis normally clashes into table top interior or the side of bump billiard table or the lower limb right angle of side of billiard table, or racket or hand etc. are run into billiard table or when adjacent billiard table is close to, because its transducing signal is through conditioning, sound wave and vibration wave frequency (or difference on the frequency or its difference or its contrast or its ratio etc.), phase place (or phase difference or its difference or its contrast or its ratio etc.), amplitude (or difference of vibration or its difference or its contrast or its ratio etc.), waveform (or waveform and pulse width difference or its difference or its contrast or its ratio, or time-domain and frequency-domain difference), speed (or speed difference or its difference or its contrast or its ratio etc.), acceleration (or acceleration difference or its difference or its contrast or its ratio etc.), the information characteristics of displacement signals such as (or displacement difference or its difference or its contrast or its ratios etc.) is obviously different with the vibration information characteristic signal (or signal characteristic difference or or its difference or its contrast or its ratio etc.) of edge ball (or normal ball), so do not send caution.Need to prove, " difference or difference or contrast or ratio etc. " between the above-mentioned said sensor signal, not only comprise difference or difference or contrast or ratio between each sensor signal, also comprise difference or difference or contrast or the ratio of single multidimensional (multidirectional) sensor between the signal of different directions (or axial).When edge ball takes place, signal processing analysis comparison recognition system has identified the acoustic characteristic information (infrasound that contains edge ball of edge ball simultaneously, the characteristic information of ultrasonic wave and microwave) and the signal message feature of the limit ball of raising, audiovideo output equipment or demonstration flash unit are just understood instant alarm, promptly many (five) warning of reflecting, thus the wrong report that produces because of competition field disturbing factor or artificial disturbance avoided.In actual applications, can adopt a mirror, two mirror, three mirror, four mirror, wherein a kind of during five mirror are reported to the police according to the penalty rule in the match and the difference of customer requirements.Also can require not adopt instant alarm in real time according to real real racetrack, detect the judgement edge ball and adopt hand to report to the police, if that is: both sides sportsman disputes on if occur to the penalty of edge ball in the match, match is carried out together at present equally as usual, and audiovideo output equipment or demonstration flash unit do not show whether maybe need not show is edge ball; And when the dispute words that penalty occurs, the referee can start edge ball and manually judge button or remote control mode, thereby show " edge ball " or " non-edge ball " printed words (also may show " neither edge ball neither non-edge ball " printed words, this situation might appear for the judgement of side edge).If adopt non-automatic instant alarm mode, signal processing analysis comparison recognition system also can begin to analyze identification after the referee starts manual judgement button or remote control mode.The table tennis table that different manufacturers is produced and the texture material and the structure of table tennis are different, the information characteristics of edge ball can be slightly different, but for the table tennis table of same model, the information characteristics of edge ball is basic identical, but has different with the information characteristics of non-edge ball.
2. table tennis table according to claim 1, it is characterized in that under the bottom surface of the table tennis table that meets International Table Tennis Federation regulation (comprise bottom surface the middle part or middle near the position) sensor installation or its system, sensor is selected acoustic detector or vibration detector for use, or the combined sensor of acoustic detector vibration detector, comprise the one or more dimensions acceleration transducer of (claiming multidirectional or multiaxis again), velocity sensor, displacement transducer, or sound wave ultrasonic sensor, according to actual needs, install one or more at the bottom surface of table tennis table.Mainly be to be used for receiving respectively the sound wave (comprising infrasound, ultrasonic wave and microwave) of the various frequencies that table tennis and billiard table bump produce and the vibration wave (comprising various frequencies) of table tennis table, and transfer to signal processing analysis comparison recognition system.
3. table tennis table according to claim 1, it is characterized in that signal processing analysis comparison recognition system is installed in the bottom surface of table tennis table, adopt single-chip microcomputer or PLC or DSP or DCS or PLD, CPLD or other high-speed data processor (chip) handle all can (with computer carry out data handle also can), the difference that the processor kind requires according to reality, all can select for use, audiovideo output equipment or flash of light display device are installed in that the judge spectators see clearly easily or the place heard gets final product, wherein the signal processing analysis recognition system is to be used for respectively the signal of acoustic detector and vibration detector is carried out the sequential record, conditioning (filter etc.), analyze, detect, judge the peculiar information that wherein whether contains edge ball that relatively identifies, be the peculiar signal characteristic and non-different between the signal of being close to of edge ball, it mainly is the frequency (or difference on the frequency or its difference or its contrast or its ratio etc.) that the edge ball vibration involves sound wave, phase place (or phase difference or its difference or its contrast or its ratio etc.), amplitude (or difference of vibration or its difference or its contrast or its ratio etc.), speed (or speed difference or its difference or its contrast or its ratio etc.), acceleration (or acceleration difference or its difference or its contrast or its ratio etc.), displacement (or displacement difference or its difference or its contrast or its ratio etc.), waveform (or waveform and pulse width difference or its difference or its contrast or its ratio, or time-domain and frequency-domain difference) or the like different between peculiar information characteristics and the non-edge ball signal, thereby whether decision reports to the police output shows, and the billiard table which side is presented at is close to.When table tennis clashes into billiard table arbitrarily (comprise table tennis be close to and rattle the situation of the side that strikes billiard table or side lower limb or the like), sensor or its system can transfer to relatively recognition system of signal processing analysis with acoustic signals and the vibration wave signal that receives at once.Signal processing analysis comparison recognition system is nursed one's health (filtering etc.) simultaneously with acoustic signals and vibration signal respectively, analyze, relatively, detect judgement and identify information and the feature that whether contains edge ball, thereby whether decision is spread out of caution sound or sent caution light or the demonstration result by audiovideo output equipment or demonstration flash unit.Table tennis normally clashes into table top interior or the side of bump billiard table or the lower limb right angle of side of billiard table, or racket or hand etc. are run into billiard table or when adjacent billiard table is close to, because its transducing signal is through conditioning, sound wave and vibration wave frequency (or difference on the frequency or its difference or its contrast or its ratio etc.), phase place (or phase difference or its difference or its contrast or its ratio etc.), amplitude (or difference of vibration or its difference or its contrast or its ratio etc.), waveform (or waveform and pulse width difference or its difference or its contrast or its ratio, or time-domain and frequency-domain difference), speed (or speed difference or its difference or its contrast or its ratio etc.), acceleration (or acceleration difference or its difference or its contrast or its ratio etc.), the information characteristics of displacement signals such as (or displacement difference or its difference or its contrast or its ratios etc.) is obviously different with the signal message feature of edge ball (or normal ball), so do not send caution.Need to prove, " difference or difference or contrast or ratio etc. " between the above-mentioned said sensor signal, not only comprise difference or difference or contrast or ratio between each sensor signal, also comprise difference or difference or contrast or the ratio of single multidimensional (multidirectional) sensor between the signal of different directions (or axial).Have only when edge ball takes place, signal processing analysis comparison recognition system has identified the acoustic characteristic information (infrasound that contains edge ball of edge ball simultaneously, the characteristic information of ultrasonic wave and microwave) and the characteristic information of edge ball, audiovideo output equipment or demonstration flash unit are just understood instant alarm, promptly many (five) warning of reflecting, thus the wrong report that produces because of competition field disturbing factor or artificial disturbance avoided.In actual applications, can be according to penalty rule in the match and customer requirements different, can adopt a mirror, two mirror, three mirror, four mirror, wherein a kind of in the five mirror warnings.Also can in real racetrack, adopt instant alarm in non real-time, detect the judgement edge ball and adopt hand to report to the police, if that is: both sides sportsman disputes on if occur to the penalty of edge ball in the match, match is carried out together at present equally as usual, and audiovideo output equipment or demonstration flash unit do not show whether maybe need not show is edge ball; And when the dispute words that penalty occurs, the referee can start edge ball and manually judge button or remote control mode, thereby show " edge ball " or " the non-limit ball of raising " printed words (also may show " neither edge ball neither non-edge ball " printed words, this situation might appear for the judgement of side edge).If adopt non-automatic instant alarm mode, signal processing analysis comparison recognition system also can begin to analyze identification after the referee starts manual judgement button or remote control mode.
4. table tennis table according to claim 1 is characterized in that billiard table, net, rack, billiard table frame, and material, elasticity, features such as size all with the conformance to standard of International Table Tennis Federation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100822957A CN101073704B (en) | 2006-05-18 | 2006-05-18 | Table-tennis table with edge-ball discriminating system |
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| CN2006100822957A CN101073704B (en) | 2006-05-18 | 2006-05-18 | Table-tennis table with edge-ball discriminating system |
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| CN101073704A true CN101073704A (en) | 2007-11-21 |
| CN101073704B CN101073704B (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100822957A Expired - Fee Related CN101073704B (en) | 2006-05-18 | 2006-05-18 | Table-tennis table with edge-ball discriminating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012028002A1 (en) * | 2010-08-28 | 2012-03-08 | Cai Shiwei | Table tennis training table for proficient player |
| CN103785160A (en) * | 2014-01-28 | 2014-05-14 | 吴光勤 | Table tennis table touching sensor and table tennis competition judgment system |
| CN103932504A (en) * | 2014-05-08 | 2014-07-23 | 广州视域光学科技有限公司 | Table tennis table having vision training function |
| CN112870675A (en) * | 2013-04-22 | 2021-06-01 | 戴见霖 | Information display sports table |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3629082A1 (en) * | 1986-08-27 | 1988-03-03 | Andras Dipl Ing Gati | Signalling device for monitoring the lines bounding a tennis court |
| DE3835133A1 (en) * | 1988-10-15 | 1990-04-19 | Bartel Wolfgang | Area and range measurement apparatus |
| CN1329930A (en) * | 2000-06-23 | 2002-01-09 | 朱滨川 | Ping-pong table with indicator of side edge ball |
| CN1762515A (en) * | 2004-10-18 | 2006-04-26 | 赵健 | Ping-pong table equipped with detection system for edge ball judgement |
| CN1762516A (en) * | 2004-10-18 | 2006-04-26 | 赵健 | Pingpong table equipped with detection system for edge ball judgement |
-
2006
- 2006-05-18 CN CN2006100822957A patent/CN101073704B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012028002A1 (en) * | 2010-08-28 | 2012-03-08 | Cai Shiwei | Table tennis training table for proficient player |
| CN112870675A (en) * | 2013-04-22 | 2021-06-01 | 戴见霖 | Information display sports table |
| CN112870675B (en) * | 2013-04-22 | 2022-09-30 | 安徽三才体育用品有限公司 | Information display sports table |
| CN103785160A (en) * | 2014-01-28 | 2014-05-14 | 吴光勤 | Table tennis table touching sensor and table tennis competition judgment system |
| WO2015113488A1 (en) * | 2014-01-28 | 2015-08-06 | 吴光勤 | Table tennis table touch sensor and table tennis competition judging system |
| CN103932504A (en) * | 2014-05-08 | 2014-07-23 | 广州视域光学科技有限公司 | Table tennis table having vision training function |
| CN103932504B (en) * | 2014-05-08 | 2016-12-07 | 广州视域光学科技有限公司 | There is the table tennis table of vision training function |
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| CN101073704B (en) | 2011-04-13 |
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