CN102489016B - Internal service type table tennis service and swing speed monitoring device - Google Patents
Internal service type table tennis service and swing speed monitoring device Download PDFInfo
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- CN102489016B CN102489016B CN 201110448105 CN201110448105A CN102489016B CN 102489016 B CN102489016 B CN 102489016B CN 201110448105 CN201110448105 CN 201110448105 CN 201110448105 A CN201110448105 A CN 201110448105A CN 102489016 B CN102489016 B CN 102489016B
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Abstract
The invention discloses an internal service type table tennis service and swing speed monitoring device and relates to a table tennis service and swing speed monitoring device. The invention aims to solve the problems that the table tennis service regularity is low, a ball striker difficultly selects a ball striking point accurately and a swing speed cannot be accurately monitored when a player touches the table tennis in the conventional artificial table tennis service mode. Due to the adoption of suspension type service, the player can accurately select a touch point to undergo shooting training. Emission-type table tennis service also can be performed, a service angle can be optionally selected, and a motion track of the table tennis reappears; therefore, the player can effectively undergo catch training. The swing speed of the player is monitored in a mode of cutting light beams. The device is suitable for the table tennis training process.
Description
Technical field
The present invention relates to a kind of table tennis for ball and speed of swing monitoring device.
Background technology
At present, in table tennis batting training, the batting training method that adopts is mainly: by the coach for ball, with the teammate to practicing and adopt service robot for three kinds in ball, preceding two kinds influenced by human factor for the ball mode bigger, lower for the ball regularity; And adopt service robot for ball, and service robot is very fast for ball speed, and striker (especially beginner) is difficult to accurately select striking point on the ball; And, can't accurately monitor the speed of swing of sportsman when touching ball at present.
The interior subordinate's ball formula table tennis that utilizes sportsman's movable information that the player motion technical process is monitored does not abroad also occur at home for ball and speed of swing monitoring device.
Summary of the invention
The present invention supplies the low for the ball regularity of ball mode for the table tennis that solves the artificial mode of existing employing, the striker is difficult to accurately select striking point on the ball, and the problem that can't accurately monitor the speed of swing of sportsman when touching ball, thereby provide a kind of in subordinate's ball formula table tennis for ball and speed of swing monitoring device.
Interior subordinate's ball formula table tennis is for ball and speed of swing monitoring device, it comprise spacing with supply air line, air pump, suspend with supply air line, No. three air pumps, spray with supply air line, high-pressure pump, limiting plate, for bulb road, ball-collecting device and baffle plate;
Spacing with supply air line, suspend with supply air line and injection with supply air line by the order of ecto-entad coaxial being nested together successively; Being positioned at spacing air intake with the supply air line side is communicated with the gas outlet of an air pump; Being positioned at the air intake that suspends with the supply air line bottom is communicated with the gas outlet of No. three air pumps; Being positioned at the air intake that sprays with the supply air line bottom is communicated with the gas outlet of high-pressure pump; Limiting plate is fixed on and suspends with in the supply air line;
Goal mouth for the bulb road is communicated with the bottom of ball-collecting device; Spacing with supply air line with suspend with all having the goal mouth on the sidewall of supply air line, ball mouth for the bulb road passes spacing with being communicated with the goal mouth on the supply air line sidewall with suspension behind the goal mouth on the supply air line sidewall, described limiting plate is positioned at the goal mouth downside that suspends with supply air line, and and this goal mouth lower limb between distance be 1/3rd to 2/3rds soldier's pang bulb diameters; For the bulb road and spacing be acute angle with the angle between the supply air line; Baffle plate is arranged in for the bulb road, and described baffle plate adopts the mode of opening down to be connected with the madial wall that supplies the bulb road by bearing;
Control system comprises control circuit, timer, an air pump drive circuit, No. three air pump drive circuits, high-pressure pump drive circuit, barrier driving circuit and motors;
The time signal output of timer is connected with the time signal input of control circuit; An air pump of control circuit drives signal output part and is connected with the air pump driving signal input of an air pump drive circuit; The driving signal output part of an air pump drive circuit is connected with the driving signal input of an air pump;
No. three air pumps of control circuit drive signal output part and are connected with the air pump driving signal input of No. three air pump drive circuits; The driving signal input of No. three air pumps of driving signal output part of No. three air pump drive circuits connects;
The high-pressure pump of control circuit drives signal output part and is connected with the air pump driving signal input of high-pressure pump drive circuit; The driving signal output part of high-pressure pump drive circuit is connected with the driving signal input of high-pressure pump;
The barrier driving signal output part of control circuit is connected with the barrier driving signal input part of barrier driving circuit; The driving signal output part of barrier driving circuit is connected with the driving signal input of a motor; A motor is used for driving baffle plate and rotates.
It also comprises N group light beam R-T unit and control system, and N is the positive integer more than or equal to 2; Every group of light beam R-T unit includes an optical beam generating device and a light beam receiving system, and described optical beam generating device and light beam receiving system are oppositely arranged; Described every group of light beam R-T unit is arranged on spacing side with supply air line, and the beam direction of light beam R-T unit outgoing is for straight up; Every group of light beam R-T unit outgoing beam all is positioned on the same horizontal plane with spacing axis with supply air line;
The light beam generation control signal input of each optical beam generating device all is connected with a light beam generation control signal output of control circuit; The signal output part of each light beam receiving system all is connected with a beam signal input of control circuit.
Ball-collecting device is infundibulate.
Described ball-collecting device is that the string bag and string bag frame are formed, the transverse width of described string bag frame is greater than the width of table tennis table, the height of described string bag frame is 1/2nd times to 15 times of height of court, and the string bag is fixed on the string bag frame, and the bottom of the string bag is tightened to the entrance for the bulb road.
Described limiting plate is disc, and the center of this disk has circular hole, and the internal diameter of described circular hole is 1/3rd to 1/2nd of table tennis diameter.
It also comprises the rotation of M root supply air line, a M magnetic valve and No. two air pumps, described M root rotation suspends with in the supply air line with supply air line uniform being arranged on centered by spraying the axis with supply air line, every rotation all is connected with the air inlet of a magnetic valve with supply air line, and the gas outlet of all magnetic valves is communicated with the gas outlet of No. two air pumps simultaneously;
Control system also comprises the air pump drive circuit No. two, and No. two air pumps of control circuit drive signal output part and are connected with the air pump driving signal input of No. two air pump drive circuits; The driving signal output part of No. two air pump drive circuits is connected with the driving signal input of No. two air pumps; The control signal input of M magnetic valve is connected with M solenoid control signal output part of control circuit respectively; M is positive integer.
Described limiting plate is disc, the center of this disk has circular limiting through hole, the internal diameter of described limiting through hole is 1/3rd to 1/2nd of table tennis diameter, around this circular hole, also be provided with M pore, described pore is circular or fan-shaped, the area of described pore is used supply air line greater than rotation, and the axis of the center of each pore and a rotation usefulness supply air line is overlapping.
It also comprises base, universal joint and support, and the movable end of described support is fixed on spacing bottom margin with supply air line; The other end of support is connected with the upper surface of base by universal joint;
Control system also comprises universal joint drive circuit and No. two motors, and the universal joint of control circuit drives signal output part and is connected with the universal joint driving signal input of universal joint drive circuit; The driving signal output part of described universal joint drive circuit is connected with the driving signal input of No. two motors; No. two motor is used for driving the universal joint motion.
Beneficial effect: the present invention adopts floated for ball, and the sportsman can accurately select the point of contact training of batting; The emission-type that the present invention can also carry out table tennis can be selected arbitrarily for the ball angle for ball, guarantees the reproduction of table tennis running orbit, thereby makes sportsman's training of can effectively receiving; The present invention monitors athletic speed of swing by the mode of cutting light beam.The present invention adopts many group light beam R-T units, can monitor the speed of swing of sportsman in the batting process, and on can the display that size is presented in real time with control module is connected with this speed of swing, the real-time effective monitoring of realization trainer technical process.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention; Fig. 2 is the vertical view that supplies ball portion among Fig. 1; Fig. 3 is the electric part principle schematic of present embodiment, and Fig. 4 is the another kind of structural representation of the present invention.
The specific embodiment
The specific embodiment one, in conjunction with this specific embodiment of Fig. 1 to 3 explanation, interior subordinate's ball formula table tennis is for ball and speed of swing monitoring device, it comprise spacing with supply air line 1, air pump 1-4, suspend with supply air line 3, No. three air pump 3-4, spray with supply air line 4, high-pressure pump 4-4, limiting plate 5, for bulb road 6, ball-collecting device 7, baffle plate 8;
Spacing with supply air line 1, suspend with supply air line 3 and injection with supply air line 4 by the order of ecto-entad coaxial being nested together successively; Being positioned at spacing air intake with supply air line 1 side is communicated with the gas outlet of an air pump 1-4; Being positioned at the air intake that suspends with supply air line 3 bottoms is communicated with the gas outlet of No. three air pump 3-4; Being positioned at the air intake that sprays with supply air line 4 bottoms is communicated with the gas outlet of high-pressure pump 4-4; Limiting plate 5 is fixed on and suspends with in the supply air line 3;
Goal mouth for bulb road 6 is communicated with the bottom of ball-collecting device 7; Spacing with supply air line 1 with suspend with all having the goal mouth on the sidewall of supply air line 3, ball mouth for bulb road 6 passes spacing with being communicated with the goal mouth on supply air line 3 sidewalls with suspension behind the goal mouth on supply air line 1 sidewall, described limiting plate 5 is positioned at the goal mouth downside that suspends with supply air line 3, and and this goal mouth lower limb between distance be 1/3rd to 2/3rds soldier's pang bulb diameters; For bulb road 6 and spacing be acute angle with the angle between the supply air line 1; Baffle plate 8 is arranged in for bulb road 6, and described baffle plate 8 adopts the mode of opening down to be connected with the madial wall that supplies bulb road 6 by bearing;
Control system comprises control circuit 60, timer 50, an air pump drive circuit 1-3, No. three air pump drive circuit 3-3, high-pressure pump drive circuit 4-3, barrier driving circuit 8-2 and motor 8-1;
The time signal output of timer 50 is connected with the time signal input of control circuit 60; An air pump of control circuit 60 drives signal output part and is connected with the air pump driving signal input of an air pump drive circuit 1-3; The driving signal output part of an air pump drive circuit 1-3 is connected with the driving signal input of an air pump 1-4;
No. three air pumps of control circuit 60 drive signal output part and are connected with the air pump driving signal input of No. three air pump drive circuit 3-3; The driving signal input of No. three air pump 3-4 of driving signal output part of No. three air pump drive circuit 3-3 connects;
The high-pressure pump of control circuit 60 drives signal output part and is connected with the air pump driving signal input of high-pressure pump drive circuit 4-3; The driving signal output part of high-pressure pump drive circuit 4-3 is connected with the driving signal input of high-pressure pump 4-4;
The barrier driving signal output part of control circuit 60 is connected with the barrier driving signal input part of barrier driving circuit 8-2; The driving signal output part of barrier driving circuit 8-2 is connected with the driving signal input of a motor 8-1; A motor 8-1 is used for driving baffle plate 8 and rotates.
As shown in Figure 4, air feed main body of the present invention is arranged on table tennis table below 13 when using in the present embodiment, gas outlet and table tennis table table top are in the same plane, do not influence athletic exercise, guarantee athletic personal safety.
Table tennis of the present invention is floated for the ball principle: at first adopt 50 pairs of control circuits of timer 60 to carry out timing, in a time cycle, control circuit 60 control baffle plates 8 are opened, and a table tennis is fallen on the limiting plate 5, then baffle plate 8 are closed; In time cycle, control circuit air pump 1-4 of 60 controls and No. three air pump 3-4 open, and realize air feed therewith, and then realize that the table tennis of one-period is floated for ball; Then, under the setting-up time interval, carry out the table tennis suspension of next cycle.
Table tennis injecting type of the present invention supplies the ball principle: at first adopt 50 pairs of control circuits of timer 60 to carry out timing, in a time cycle, control circuit 60 control baffle plates 8 are opened, and a table tennis is fallen on the limiting plate 5, then baffle plate 8 are closed; In time cycle, control circuit 60 control high-pressure pump 4-4 open, and realize spraying, and then the table tennis injecting type of realization one-period are for ball therewith; Then, the table tennis that carries out next cycle under the setting-up time interval sprays.
Speed of swing monitoring principle of the present invention: the present invention is when swinging the bat, and racket cuts the light beam more than two continuously, by the distance of calculating two optical beam generating devices and the time interval of cutting two light beams, thereby obtains instantaneous speed of swing.
The batter's box that present embodiment makes table tennis be suspended in the striker by gas communication is realized for ball, and is regular high for ball; And, because table tennis is suspended in the air, be zero for the ball initial velocity, the striker can have time enough to select striking point on the ball, and training effect is promoted significantly.
Present embodiment is installed in table tennis table 13 times according to the mode of Fig. 3 in use, and at the fixing net 12 that reclaims of the end of receiving of table tennis table 13, realizes the automatic recovery of table tennis.
In the present embodiment, adopt scalable pipeline mode for bulb road 3, realize regulating for the distance of ball mouth at table tennis table, and then realize close-table or far from the table batting training.
The specific embodiment two, this specific embodiment and the specific embodiment one described interior subordinate's ball formula table tennis are that for the difference of ball and speed of swing monitoring device it also comprises N group light beam R-T unit and control system, and N is the positive integer more than or equal to 2; Every group of light beam R-T unit includes an optical beam generating device 12-1 and a light beam receiving system 12-2, and described optical beam generating device 12-1 and light beam receiving system 12-2 are oppositely arranged; Described every group of light beam R-T unit is arranged on spacing side with supply air line 1, and the beam direction of light beam R-T unit outgoing is for straight up; Every group of light beam R-T unit outgoing beam all is positioned on the same horizontal plane with spacing axis with supply air line 1;
The light beam generation control signal input of each optical beam generating device 12-1 all is connected with a light beam generation control signal output of control circuit 60; The signal output part of each light beam receiving system 12-2 all is connected with a beam signal input of control circuit 60.
The specific embodiment three, this specific embodiment and the specific embodiment one or two described interior subordinate's ball formula tablees tennis are that for the difference of ball and speed of swing monitoring device ball-collecting device 7 is infundibulate.
In the present embodiment, the rotation of adopting the rotation of M root to realize supplying table tennis in the ball process with supply air line 2 with supply air line 2 corresponding part valve opening and closing, realizes motions such as table tennis as above revolves, backspin by the control rotation, the operation of real simulation table tennis more, training effect is better.
The specific embodiment four, this specific embodiment and the specific embodiment three described interior subordinate's ball formula tablees tennis are for the difference of ball and speed of swing monitoring device, ball-collecting device 7 is that the string bag and string bag frame are formed, the transverse width of described string bag frame is greater than the width of table tennis table, the height of described string bag frame is 1/2nd times to 15 times of height of court, the string bag is fixed on the string bag frame, and the bottom of the string bag is tightened to the entrance for bulb road 6.
The specific embodiment five, this specific embodiment and the specific embodiment one, two or four described interior subordinate's ball formula tablees tennis are for the difference of ball and speed of swing monitoring device, described limiting plate 5 is disc, the center of this disk has circular hole, and the internal diameter of described circular hole is 1/3rd to 1/2nd of table tennis diameter.
The specific embodiment six, this specific embodiment and the specific embodiment five described interior subordinate's ball formula tablees tennis are for the difference of ball and speed of swing monitoring device, it also comprises the rotation of M root supply air line 2, a M magnetic valve 2-1 and No. two air pump 2-4, described M root rotation suspends with in the supply air line 3 with supply air line 2 uniform being arranged on centered by spraying the axis with supply air line 4, every rotation all is connected with the air inlet of a magnetic valve 2-1 with supply air line 2, and the gas outlet of all magnetic valve 2-1 is communicated with the gas outlet of No. two air pump 2-4 simultaneously;
Control system also comprises air pump drive circuit 2-3 No. two, and No. two air pumps of control circuit 60 drive signal output part and are connected with the air pump driving signal input of No. two air pump drive circuit 2-3; The driving signal output part of No. two air pump drive circuit 2-3 is connected with the driving signal input of No. two air pump 2-4; The control signal input of M magnetic valve 2-1 is connected with M solenoid control signal output part of control circuit 60 respectively; M is positive integer.
The specific embodiment seven, this specific embodiment and the specific embodiment one, two, four or six described interior subordinate's ball formula tablees tennis are for the difference of ball and speed of swing monitoring device, described limiting plate 5 is disc, the center of this disk has circular limiting through hole, the internal diameter of described limiting through hole is 1/3rd to 1/2nd of table tennis diameter, around this circular hole, also be provided with M pore, described pore is circular or fan-shaped, the area of described pore is greater than rotation usefulness supply air line 2, and the axis of the center of each pore and a rotation usefulness supply air line 2 is overlapping.
The specific embodiment eight, this specific embodiment and the specific embodiment seven described interior subordinate's ball formula tablees tennis are for the difference of ball and speed of swing monitoring device, it also comprises base 11, universal joint 9, two-dimentional driving mechanism and support 10, and the movable end of described support 10 is fixed on spacing bottom with supply air line 1; The stiff end of support 10 is connected with base by universal joint 9, and the movable end that described two-dimentional driving mechanism is used for driving arm 10 produces two dimensional motion;
Control system also comprises two-dimentional drive circuit 9-2, the swing control signal output of control circuit 60 is connected with the control signal input of two-dimentional drive circuit 9-2, and the driving signal input that the driving signal output part of described two-dimentional drive circuit 9-2 connects two-dimentional driving mechanism connects.
Present embodiment is used for the process that table tennis sprays, and in the present embodiment, adjusts direction by universal joint, realizes that the table tennis of different angles sprays.
The specific embodiment nine, this specific embodiment and the specific embodiment one, two, four, six or eight described interior subordinate's ball formula tablees tennis are that for the difference of ball and speed of swing monitoring device M is 2 or 3.
The specific embodiment ten, this specific embodiment and the specific embodiment nine described interior subordinate's ball formula tablees tennis are that for the difference of ball and speed of swing monitoring device control circuit 60 adopts chip microcontroller.
Claims (9)
1. interior subordinate's ball formula table tennis is characterized in that for ball and speed of swing monitoring device: it comprise spacing with supply air line (1), an air pump (1-4), suspend with supply air line (3), No. three air pumps (3-4), spray with supply air line (4), high-pressure pump (4-4), limiting plate (5), for bulb road (6), ball-collecting device (7) and baffle plate (8);
Spacing with supply air line (1), suspend with supply air line (3) and injection with supply air line (4) by the order of ecto-entad coaxial being nested together successively; Being positioned at spacing air intake with supply air line (1) side is communicated with the gas outlet of an air pump (1-4); Being positioned at the air intake that suspends with supply air line (3) bottom is communicated with the gas outlet of No. three air pumps (3-4); Being positioned at the air intake that sprays with supply air line (4) bottom is communicated with the gas outlet of high-pressure pump (4-4); Limiting plate (5) is fixed on and suspends with in the supply air line (3);
Goal mouth for bulb road (6) is communicated with the bottom of ball-collecting device (7); Spacing with supply air line (1) with suspend with all having the goal mouth on the sidewall of supply air line (3), ball mouth for bulb road (6) passes spacing with being communicated with the goal mouth on supply air line (3) sidewall with suspension behind the goal mouth on supply air line (1) sidewall, described limiting plate (5) is positioned at the goal mouth downside that suspends with supply air line (3), and and this goal mouth lower limb between distance be 1/3rd to 2/3rds soldier's pang bulb diameters; For bulb road (6) and spacing be acute angle with the angle between the supply air line (1); Baffle plate (8) is arranged in for bulb road (6), and described baffle plate (8) adopts the mode of opening down to be connected with the madial wall that supplies bulb road (6) by bearing;
Control system comprises control circuit (60), timer (50), an air pump drive circuit (1-3), No. three air pump drive circuits (3-3), high-pressure pump drive circuit (4-3), barrier driving circuit (8-2) and a motor (8-1);
The time signal output of timer (50) is connected with the time signal input of control circuit (60); An air pump of control circuit (60) drives signal output part and is connected with the air pump driving signal input of an air pump drive circuit (1-3); The driving signal output part of an air pump drive circuit (1-3) is connected with the driving signal input of an air pump (1-4);
No. three air pumps of control circuit (60) drive signal output part and are connected with the air pump driving signal input of No. three air pump drive circuits (3-3); The driving signal input of No. three air pumps of the driving signal output part of No. three air pump drive circuits (3-3) (3-4) connects;
The high-pressure pump of control circuit (60) drives signal output part and is connected with the air pump driving signal input of high-pressure pump drive circuit (4-3); The driving signal output part of high-pressure pump drive circuit (4-3) is connected with the driving signal input of high-pressure pump (4-4);
The barrier driving signal output part of control circuit (60) is connected with the barrier driving signal input part of barrier driving circuit (8-2); The driving signal output part of barrier driving circuit (8-2) is connected with the driving signal input of a motor (8-1); A motor (8-1) is used for driving baffle plate (8) and rotates;
It also comprises N group light beam R-T unit and control system, and N is the positive integer more than or equal to 2; Every group of light beam R-T unit includes an optical beam generating device (12-1) and a light beam receiving system (12-2), and described optical beam generating device (12-1) and light beam receiving system (12-2) are oppositely arranged; Described every group of light beam R-T unit is arranged on spacing side with supply air line (1), and the beam direction of light beam R-T unit outgoing is for straight up; Every group of light beam R-T unit outgoing beam all is positioned on the same horizontal plane with spacing axis with supply air line (1);
The light beam generation control signal input of each optical beam generating device (12-1) all is connected with a light beam generation control signal output of control circuit (60); The signal output part of each light beam receiving system (12-2) all is connected with a beam signal input of control circuit (60).
2. interior subordinate's ball formula table tennis according to claim 1 is characterized in that for ball and speed of swing monitoring device described ball-collecting device (7) is infundibulate.
3. interior subordinate's ball formula table tennis according to claim 1 and 2 is for ball and speed of swing monitoring device, it is characterized in that, described ball-collecting device (7) is that the string bag and string bag frame are formed, the transverse width of described string bag frame is greater than the width of table tennis table, the height of described string bag frame is 1/2nd times to 15 times of height of court, the string bag is fixed on the string bag frame, and the bottom of the string bag is tightened to the entrance for bulb road (6).
4. interior subordinate's ball formula table tennis according to claim 3 is for ball and speed of swing monitoring device, it is characterized in that, described limiting plate (5) is disc, and the center of this disk has circular hole, and the internal diameter of described circular hole is 1/3rd to 1/2nd of table tennis diameter.
5. supply ball and speed of swing monitoring device according to claim 1,2 or 4 described interior subordinate's ball formula tablees tennis, it is characterized in that it also comprises the rotation of M root supply air line (2), a M magnetic valve (2-1) and No. two air pumps (2-4), described M root rotation suspends with in the supply air line (3) with supply air line (2) uniform being arranged on centered by spraying the axis with supply air line (4), every rotation all is connected with the air inlet of a magnetic valve (2-1) with supply air line (2), and the gas outlet of all magnetic valves (2-1) is communicated with the gas outlet of No. two air pumps (2-4) simultaneously;
Control system also comprises No. two air pump drive circuits (2-3), and No. two air pumps of control circuit (60) drive signal output part and are connected with the air pump driving signal input of No. two air pump drive circuits (2-3); The driving signal output part of No. two air pump drive circuits (2-3) is connected with the driving signal input of No. two air pumps (2-4); The control signal input of M magnetic valve (2-1) is connected with M solenoid control signal output part of control circuit (60) respectively; M is positive integer.
6. interior subordinate's ball formula table tennis according to claim 5 is for ball and speed of swing monitoring device, it is characterized in that, described limiting plate (5) is disc, the center of this disk has circular limiting through hole, the internal diameter of described limiting through hole is 1/3rd to 1/2nd of table tennis diameter, around this circular hole, also be provided with M pore, described pore is circular or fan-shaped, the area of described pore is greater than rotation usefulness supply air line (2), and the axis of the center of each pore and a rotation usefulness supply air line (2) is overlapping.
7. supply ball and speed of swing monitoring device according to claim 1,2,4 or 6 described interior subordinate's ball formula tablees tennis, it is characterized in that it also comprises base (11), universal joint (9), two-dimentional driving mechanism and support (10), the movable end of described support (10) is fixed on spacing bottom with supply air line (1); The stiff end of support (10) is connected with base by universal joint (9), and the movable end that described two-dimentional driving mechanism is used for driving arm (10) produces two dimensional motion;
Control system also comprises two-dimentional drive circuit (9-2), the swing control signal output of control circuit (60) is connected with the control signal input of two-dimentional drive circuit (9-2), and the driving signal input that the driving signal output part of described two-dimentional drive circuit (9-2) connects two-dimentional driving mechanism connects.
8. interior subordinate's ball formula table tennis according to claim 7 is characterized in that for ball and speed of swing monitoring device M is 2 or 3.
9. supply ball and speed of swing monitoring device according to claim 1,2,4,6 or 8 described interior subordinate's ball formula tablees tennis, it is characterized in that control circuit (60) adopts chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110448105 CN102489016B (en) | 2011-12-28 | 2011-12-28 | Internal service type table tennis service and swing speed monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110448105 CN102489016B (en) | 2011-12-28 | 2011-12-28 | Internal service type table tennis service and swing speed monitoring device |
Publications (2)
| Publication Number | Publication Date |
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| CN102489016A CN102489016A (en) | 2012-06-13 |
| CN102489016B true CN102489016B (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110448105 Expired - Fee Related CN102489016B (en) | 2011-12-28 | 2011-12-28 | Internal service type table tennis service and swing speed monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103019024B (en) * | 2012-11-29 | 2015-08-19 | 浙江大学 | Real-time accurate surveying and analysis table tennis rotary system and system operation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387934Y (en) * | 1999-09-24 | 2000-07-19 | 兰晓中 | Ping-pong exercising body-building device |
| CN201022950Y (en) * | 2007-03-16 | 2008-02-20 | 刘金顺 | Training apparatus for table tennis batting |
| CN201085902Y (en) * | 2007-07-05 | 2008-07-16 | 付叶明 | Exercise device for table tennis novice |
-
2011
- 2011-12-28 CN CN 201110448105 patent/CN102489016B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387934Y (en) * | 1999-09-24 | 2000-07-19 | 兰晓中 | Ping-pong exercising body-building device |
| CN201022950Y (en) * | 2007-03-16 | 2008-02-20 | 刘金顺 | Training apparatus for table tennis batting |
| CN201085902Y (en) * | 2007-07-05 | 2008-07-16 | 付叶明 | Exercise device for table tennis novice |
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| Publication number | Publication date |
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| CN102489016A (en) | 2012-06-13 |
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