CN202478530U - Internal ball serving type rotary ping-pong supply and swing speed monitoring device - Google Patents

Internal ball serving type rotary ping-pong supply and swing speed monitoring device Download PDF

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Publication number
CN202478530U
CN202478530U CN2011205637075U CN201120563707U CN202478530U CN 202478530 U CN202478530 U CN 202478530U CN 2011205637075 U CN2011205637075 U CN 2011205637075U CN 201120563707 U CN201120563707 U CN 201120563707U CN 202478530 U CN202478530 U CN 202478530U
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China
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ball
air line
supply
supply air
signal output
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CN2011205637075U
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Chinese (zh)
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陈岩
林然
赵宏宇
赵玉珩
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Harbin Normal University
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Harbin Normal University
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Abstract

The utility model discloses an internal ball serving type rotary ping-pong supply and swing speed monitoring device. The internal ball serving type rotary ping-pong supply and swing speed monitoring device comprises a limiting air supply pipeline (1), a first air pump (1-4), M rotating air supply pipelines (2), M solenoid valves (2-1), a second air pump (2-4), a suspension air supply pipeline (3), a third air pump (3-4), a jet air supply pipeline (4), a high-pressure air pump (4-4), a limiting plate (5), a ball supply pipeline (6), a ball collecting device (7), a baffle (8) and N groups of light beam transceivers and control systems, wherein N is a positive integer more than or equal to 2. According to the internal ball serving type rotary ping-pong supply and swing speed monitoring device, a suspension type ball supply mode is adopted, so that a player can accurately select a ball contact point for making a shoot training; the jet type ball supply mode of the ping-pong balls also can be performed, and the ball supply angle can be selected at will to guarantee the representation of the ping-pong motion trace, so that the player can effectively make a ball reception training; and the swing speed of the player is monitored in a light beam cutting way. The internal ball serving type rotary ping-pong supply and swing speed monitoring device is suitable for the ping-pong training process.

Description

Interior subordinate's ball formula table tennis rotation supplies ball and speed of swing monitoring device
Technical field
The present invention relates to a kind of table tennis and supply ball and speed of swing monitoring device.
Background technology
At present, in table tennis batting training, the batting training method that is adopted is mainly: through the coach supply ball, with the teammate to practicing and adopt service robot to supply three kinds in ball, preceding two kinds to supply the ball modes influenced by human factor bigger, supplies the ball regularity lower; And adopt service robot to supply ball, and service robot supplies the ball rapid 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 rotation that utilizes sportsman's movable information that the player motion technical process is monitored supplies ball and speed of swing monitoring device also not to occur at home abroad.
Summary of the invention
The present invention supplies the confession ball regularity of ball mode low 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 the rotation of subordinate's ball formula table tennis supply ball and speed of swing monitoring device.
Interior subordinate's ball formula table tennis rotation supplies ball and speed of swing monitoring device; It comprises spacing with supply air line, air pump, the rotation of M root with supply air line, a M magnetic valve, No. two air pumps, suspend and organize light beam R-T unit and control system with supply air line, high-pressure pump, limiting plate, confession bulb road, ball-collecting device, baffle plate and N with supply air line, No. three air pumps, injections, N is the positive integer more than or equal to 2;
Spacing with supply air line, suspending is nested together by the order of ecto-entad is coaxial successively with supply air line with supply air line and injection; 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;
The rotation of M root is used supply air line to use the axis of supply air line to be uniformly distributed with to be arranged on as the center with injection and is suspended with in the 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;
Supply the goal mouth on bulb road to be 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; Supply the ball mouth on bulb road to pass 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; Said 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; Supply the bulb road and spacingly use the angle between the supply air line to be acute angle; Baffle plate is arranged in the mode that supplies bulb road, said baffle plate to adopt unlatching down and is connected with the madial wall that supplies the bulb road through bearing;
Every group of light beam R-T unit includes an optical beam generating device and a light beam receiving system, and said optical beam generating device and light beam receiving system are to being provided with; Said 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 control system comprises control circuit, timer, an air pump drive circuit, No. two air pump drive circuits, 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. 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 a positive integer;
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 to drive baffle plate and rotates;
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 an infundibulate.Ball-collecting device is that the string bag and string bag frame are formed; The transverse width of said string bag frame is greater than the width of table tennis table; The height of said 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 inlet that supplies the bulb road.
Limiting plate is a disc, and the center of this disk has circular hole, and the internal diameter of said circular hole is 1/3rd to 1/2nd of a table tennis diameter.
Limiting plate is a disc; The center of this disk has circular limiting through hole; The internal diameter of said limiting through hole is 1/3rd to 1/2nd of a table tennis diameter, around this circular hole, also is provided with M pore, and said pore is circular or fan-shaped; The area of said pore is used supply air line greater than rotation, and the center of each pore and a rotation are overlapping with the axis of supply air line.
It also comprises base, universal joint, two-dimentional driving mechanism and support, and the movable end of said support is fixed on spacing bottom with supply air line; The stiff end of support is connected with base through universal joint, and the movable end that said two-dimentional driving mechanism is used for driving arm produces two dimensional motion;
The control system also comprises two-dimentional drive circuit; The swing control signal output of control circuit is connected with the control signal input of two-dimentional drive circuit, and the driving signal input that the driving signal output part of said two-dimentional drive circuit connects two-dimentional driving mechanism connects.
Beneficial effect: the present invention adopts floated confession 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 supplies ball, supplies the ball angle to select arbitrarily, 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 through 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 this embodiment, and Fig. 4 is the another kind of structural representation of the present invention.
The specific embodiment
The specific embodiment one, this specific embodiment of combination Fig. 1 to 3 explanation; Interior subordinate's ball formula table tennis rotation supplies ball and speed of swing monitoring device; It comprises spacing with supply air line 1, air pump 1-4, the rotation of M root with supply air line 2, a M magnetic valve 2-1, No. two air pump 2-4, suspend and organize light beam R-T unit and control system with supply air line 4, high-pressure pump 4-4, limiting plate 5, confession bulb road 6, ball-collecting device 7, baffle plate 8 and N with supply air line 3, No. three air pump 3-4, injections, N is the positive integer more than or equal to 2;
Spacing with supply air line 1, suspending is nested together by the order of ecto-entad is coaxial successively with supply air line 4 with supply air line 3 and injection; 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;
The rotation of M root is used supply air line 2 to use the axis of supply air line 4 to be uniformly distributed with to be arranged on as the center with injection and is suspended with in the supply air line 3; 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;
Supply the goal mouth on bulb road 6 to be 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; Supply the ball mouth on bulb road 6 to pass 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; Said 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; Supply bulb road 6 and spacingly use the angle between the supply air line 1 to be acute angle; Baffle plate 8 is arranged in and supplies bulb road 6, and said baffle plate 8 adopts the mode of opening down to be connected with the madial wall that supplies bulb road 6 through bearing;
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 said optical beam generating device 12-1 and light beam receiving system 12-2 are oppositely arranged; Said 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 control system comprises control circuit 60, timer 50, an air pump drive circuit 1-3, No. two air pump drive circuit 2-3, 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. 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 a positive integer;
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 to drive baffle plate 8 and rotates;
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.
As shown in Figure 4 when using in this embodiment, air feed main body of the present invention is arranged on table tennis table below 13, gas outlet and table tennis table table top are positioned on the same plane, do not influence athletic exercise, guarantee athletic personal safety.
The floated confession ball of table tennis of the present invention 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, and then realize the floated confession ball of table tennis of one-period therewith; Then, carry out the table tennis suspension of next cycle at interval down at setting-up time.
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 therewith, realize spraying, and then realize that the table tennis injecting type of one-period supplies ball; Then, carry out the table tennis injection of next cycle at interval down at setting-up time.
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, through 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 this embodiment makes table tennis be suspended in the striker through gas communication realizes supplying ball, supplies ball regular high; And because table tennis is suspended in the air, supplying the ball initial velocity is zero, and the striker can have time enough to select striking point on the ball, and training effect is able to promote significantly.
This 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 this embodiment, supply bulb road 3 to adopt scalable pipeline mode, realize regulating supplying the distance of ball mouth, and then realize close-table or far from the table batting training at table tennis table.
In this embodiment; The rotation of adopting the rotation of M root to realize supplying table tennis in the ball process with supply air line 2; Rotate with supply air line 2 corresponding part valve opening and closing through control; Realize table tennis do as above revolve, motion such as underspin, the operation of real simulation table tennis more, training effect is better.
The specific embodiment two, this specific embodiment and the specific embodiment one described interior subordinate's ball formula table tennis rotation supply the difference of ball and speed of swing monitoring device to be that ball-collecting device 7 is an infundibulate.
The specific embodiment three, this specific embodiment and the specific embodiment two described interior subordinate's ball formula table tennis rotations supply the difference of ball and speed of swing monitoring device to be; Ball-collecting device 7 is that the string bag and string bag frame are formed; The transverse width of said string bag frame is greater than the width of table tennis table; The height of said 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 inlet that supplies bulb road 6.
The specific embodiment four, this specific embodiment and the specific embodiment three described interior subordinate's ball formula table tennis rotations supply the difference of ball and speed of swing monitoring device to be; Said limiting plate 5 is a disc; The center of this disk has circular hole, and the internal diameter of said circular hole is 1/3rd to 1/2nd of a table tennis diameter.
The specific embodiment five, this specific embodiment and the specific embodiment three described interior subordinate's ball formula table tennis rotations supply the difference of ball and speed of swing monitoring device to be; Limiting plate 5 is a disc; The center of this disk has circular limiting through hole; The internal diameter of said limiting through hole is 1/3rd to 1/2nd of a table tennis diameter, around this circular hole, also is provided with M pore, and said pore is circular or fan-shaped; With supply air line 2, and the center of each pore and a rotation are overlapping with the axis of supply air line 2 greater than rotation for the area of said pore.
The specific embodiment six, this specific embodiment and the specific embodiment five described interior subordinate's ball formula table tennis rotations supply the difference of ball and speed of swing monitoring device to be; It also comprises base 11, universal joint 9, two-dimentional driving mechanism and support 10, and the movable end of said support 10 is fixed on spacing bottom with supply air line 1; The stiff end of support 10 is connected with base through universal joint 9, and the movable end that said two-dimentional driving mechanism is used for driving arm 10 produces two dimensional motion;
The 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 said two-dimentional drive circuit 9-2 connects two-dimentional driving mechanism connects.
This embodiment is used for the process that table tennis sprays, and in this embodiment, through universal joint adjustment direction, realizes that the table tennis of different angles sprays.
The specific embodiment seven, this specific embodiment and the specific embodiment six described interior subordinate's ball formula table tennis rotations supply the difference of ball and speed of swing monitoring device to be that M is 2 or 3.
The specific embodiment eight, this specific embodiment and the specific embodiment seven described interior subordinate's ball formula table tennis rotations supply the difference of ball and speed of swing monitoring device to be, control circuit 60 adopts chip microcontroller.

Claims (8)

1. interior subordinate's ball formula table tennis rotation supplies ball and speed of swing monitoring device; It is characterized in that: it comprise spacing with supply air line (1), an air pump (1-4), the rotation of M root with supply air line (2), a M magnetic valve (2-1), No. two air pumps (2-4), suspend and organize light beam R-T unit and control system with supply air line (4), high-pressure pump (4-4), limiting plate (5), confession bulb road (6), ball-collecting device (7), baffle plate (8) and N with supply air line (3), No. three air pumps (3-4), injection, N is the positive integer more than or equal to 2;
Spacing with supply air line (1), suspending is nested together by the order of ecto-entad is coaxial successively with supply air line (4) with supply air line (3) and injection; 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);
M root rotation is that the center is uniformly distributed with and is arranged on suspension with in the supply air line (3) with supply air line (2) to spray 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;
Supply the goal mouth on bulb road (6) to be 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); Supply the ball mouth on bulb road (6) to pass 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; Said 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; Supply bulb road (6) and spacing be acute angle with the angle between the supply air line (1); Baffle plate (8) is arranged in the mode that supplies bulb road (6), said baffle plate (8) to adopt unlatching down and is connected with the madial wall that supplies bulb road (6) through bearing;
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 said optical beam generating device (12-1) and light beam receiving system (12-2) are oppositely arranged; Said 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 control system comprises control circuit (60), timer (50), an air pump drive circuit (1-3), No. two air pump drive circuits (2-3), 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. 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 a positive integer;
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 to drive baffle plate (8) and rotates;
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. the rotation of subordinate's ball formula table tennis supplies ball and speed of swing monitoring device in according to claim 1, it is characterized in that ball-collecting device (7) is an infundibulate.
3. the rotation of subordinate's ball formula table tennis supplies ball and speed of swing monitoring device in according to claim 2; It is characterized in that; Ball-collecting device (7) is that the string bag and string bag frame are formed, and the transverse width of said string bag frame is greater than the width of table tennis table, and the height of said 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 inlet that supplies bulb road (6).
4. the rotation of subordinate's ball formula table tennis supplies ball and speed of swing monitoring device in according to claim 3; It is characterized in that; Limiting plate (5) is a disc, and the center of this disk has circular hole, and the internal diameter of said circular hole is 1/3rd to 1/2nd of a table tennis diameter.
5. the rotation of subordinate's ball formula table tennis supplies ball and speed of swing monitoring device in according to claim 3; It is characterized in that; Limiting plate (5) is a disc, and the center of this disk has circular limiting through hole, and the internal diameter of said limiting through hole is 1/3rd to 1/2nd of a table tennis diameter; Around this circular hole, also be provided with M pore; Said pore is circular or fan-shaped, and with supply air line (2), and the center of each pore and a rotation are overlapping with the axis of supply air line (2) greater than rotation for the area of said pore.
6. the rotation of subordinate's ball formula table tennis supplies ball and speed of swing monitoring device in according to claim 5; It is characterized in that it also comprises base (11), universal joint (9), two-dimentional driving mechanism and support (10), the movable end of said support (10) is fixed on spacing bottom with supply air line (1); The stiff end of support (10) is connected with base through universal joint (9), and the movable end that said two-dimentional driving mechanism is used for driving arm (10) produces two dimensional motion;
The 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 said two-dimentional drive circuit (9-2) connects two-dimentional driving mechanism connects.
7. the rotation of subordinate's ball formula table tennis supplies ball and speed of swing monitoring device in according to claim 6, it is characterized in that M is 2 or 3.
8. the rotation of subordinate's ball formula table tennis supplies ball and speed of swing monitoring device in according to claim 7, it is characterized in that control circuit (60) adopts chip microcontroller.
CN2011205637075U 2011-12-29 2011-12-29 Internal ball serving type rotary ping-pong supply and swing speed monitoring device Expired - Fee Related CN202478530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205637075U CN202478530U (en) 2011-12-29 2011-12-29 Internal ball serving type rotary ping-pong supply and swing speed monitoring device

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Application Number Priority Date Filing Date Title
CN2011205637075U CN202478530U (en) 2011-12-29 2011-12-29 Internal ball serving type rotary ping-pong supply and swing speed monitoring device

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CN202478530U true CN202478530U (en) 2012-10-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176030A (en) * 2018-03-07 2018-06-19 淮阴师范学院 Football server

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176030A (en) * 2018-03-07 2018-06-19 淮阴师范学院 Football server
CN108176030B (en) * 2018-03-07 2023-06-20 淮阴师范学院 Football service robot

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