CN102416251B - Suspension volleyball supply and arm speed monitoring device - Google Patents
Suspension volleyball supply and arm speed monitoring device Download PDFInfo
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- CN102416251B CN102416251B CN 201110447527 CN201110447527A CN102416251B CN 102416251 B CN102416251 B CN 102416251B CN 201110447527 CN201110447527 CN 201110447527 CN 201110447527 A CN201110447527 A CN 201110447527A CN 102416251 B CN102416251 B CN 102416251B
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Abstract
The invention discloses a suspension volleyball supply and arm speed monitoring device, relates to a volleyball supply and arm speed monitoring device and aims to solve the problems that a volleyball supply track cannot reappear by adopting the conventional volleyball supply mode that other people pass or throw the volleyball, the training effect is poor because a spike person hardly selects a contact point accurately, and the arm speed of a sportsman cannot be monitored accurately. A volleyball is supplied in a suspension way, so the sportsman can accurately select the contact point so as to do spike training, and a volleyball movement track can reappear; therefore, the sportsman can do spike training effectively; and the arm speed of the sportsman can be monitored in a mode of cutting a light beam. The suspension volleyball supply and arm speed monitoring device is suitable for volleyball training.
Description
Technical field
The present invention relates to a kind of vollyball for ball and wave the arm device for monitoring speed.
Background technology
At present, receive at vollyball, pass, in the training such as slam-shot, the training method that adopts is mainly: by training for the ball mode of other people pass or toss, this mode is affected by human factors larger, the vollyball running orbit is difficult to reproduce, sportsman (especially beginner) is difficult to accurately select point of contact, and training effect is relatively poor; And, in spiking training, also can't accurately monitor the athletic arm speed of waving at present.
The vollyball that utilizes Athletes information that the player motion technical process is monitored is floated for ball and wave the arm device for monitoring speed and abroad also do not occur at home.
Summary of the invention
The present invention existing adopts other people pass or toss supply the mode vollyball track of ball to be difficult to reproduction in order to solve, the training effect that slam-shot person is difficult to accurately to select point of contact to cause is poor, and accurate monitoring moving person's the problem of waving arm speed, thereby provide vollyball floated for ball and wave the arm device for monitoring speed.
Vollyball is floated for ball and wave the arm device for monitoring speed, it comprise spacing with supply air line, air pump, suspend with supply air line, No. three air pumps, honeycomb screen, for bulb road, ball collection box, baffle plate, switching mat, expansion bracket, N group light beam R-T unit and control system;
Spacingly be in the same place by the order of ecto-entad successively coaxial sleeve with supply air line with supply air line and suspension; 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; Honeycomb screen covers and is fixed on and suspends with on the supply air line madial wall; Spacing with supply air line with suspend and to be fixed on the expansion bracket front end with supply air line;
Goal mouth for the bulb road is communicated with the bottom of ball collection box; Spacing with supply air line with suspend with all having the goal mouth on the sidewall of supply air line, the goal mouth of passing on the spacing supply air line sidewall for the bulb road is communicated with the goal mouth on the supply air line sidewall with suspension; Honeycomb screen is positioned at the downside that suspends with the goal mouth on the supply air line sidewall, is acute angle for the angle between bulb road and the spacing supply air line; Baffle plate is arranged in for the bulb road, and described baffle plate adopts lower mode of opening to be connected with the sidewall that supplies the bulb road by bearing;
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; N group light beam R-T unit all is arranged on spacing top, plane, place, gas outlet with supply air line, and the beam direction of light beam R-T unit outgoing is horizontal direction; The light beam of N group light beam R-T unit outgoing all is positioned on the same level, and this plane and spacing place, gas outlet plane parallel with supply air line;
After switching mat is laid on expansion bracket and stretches the position under;
Control system comprises control circuit, timer, an air pump drive circuit, No. three air pump drive circuits, barrier driving circuit, switch quantity acquisition circuit, expansion bracket drive unit, expansion bracket drive 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 output part of No. three air pump drive circuits is connected with the driving signal input of No. three air pumps;
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;
The expansion bracket of control circuit drives signal output part and is connected with the driving signal input of expansion bracket drive circuit; The driving signal output part of described expansion bracket drive circuit is connected with the driving signal input of expansion bracket drive unit; The expansion bracket drive unit is used for driving expansion bracket and does stretching motion;
The switch acquisition signal input part of switch quantity acquisition circuit is connected with the switching value signal output part of switching mat, and the switch acquisition signal output part of described switch quantity acquisition circuit is connected with the switching value signal input part of control circuit;
The light beam generation control signal input of each optical beam generating device is connected with a light beam generation control signal output of control circuit; The signal output part of each light beam receiving system is connected with a beam signal input of control circuit;
N is the positive integer more than or equal to 2.
It also comprises the rotation of M root supply air line, a M magnetic valve and No. two air pumps, described M root rotation is with in the uniform annular space that is arranged between spacing usefulness supply air line and the suspension usefulness supply air line of supply air line, described M root rotation is parallel to each other with supply air line and is parallel to spacing axis with supply air line, every rotation uses the air inlet of supply air line bottom to be connected with the air inlet of a magnetic valve respectively, 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 the positive integer greater than 3.
It also comprises fixed mount, universal joint, two-dimentional driving mechanism and support, and the movable end of described support is fixed on spacing bottom with supply air line; The stiff end of support is connected with fixed mount by universal joint; Described fixed mount is fixed on the front end of expansion bracket, and the movable end that described two-dimentional driving mechanism is used for driving arm produces two dimensional motion;
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 described two-dimentional drive circuit connects two-dimentional driving mechanism connects.
It also comprises sprays with supply air line and high-pressure pump, sprays with the supply air line coaxial sleeve inner with supply air line in suspension; The air intake that sprays with the supply air line bottom is communicated with the gas outlet of high-pressure pump, and described injection is positioned under the honeycomb screen with the top of supply air line;
Control system also comprises the high-pressure pump drive circuit, and 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.
Beneficial effect: the present invention adopts floated for ball, and the sportsman can accurately select point of contact to carry out spiking training, and can guarantee the reproduction of vollyball running orbit, thereby makes the sportsman can effectively practise the training of receiving, passing and spiking; The present invention monitors the arm speed of waving that the slam-shot luck is mobilized by the mode of cutting light beam; The present invention adopts many group light beam R-T units, can the wave arm speed of monitoring moving person in the slam-shot process, and this can be waved on the display that size is presented in real time with control module is connected of arm speed the real-time effective monitoring of realization trainer technical process.
Description of drawings
Fig. 1 is structural representation of the present invention; Fig. 2 is the top view that supplies ball portion among Fig. 1; Fig. 3 be among Fig. 1 A-A to top view; Fig. 4 is electric part principle schematic of the present invention.
The specific embodiment
The specific embodiment one, in conjunction with Fig. 1 to Fig. 4 this specific embodiment is described, vollyball is floated for ball and wave the arm device for monitoring speed, it comprise spacing with supply air line 1, air pump 1-4, suspend with supply air line 3, No. three air pump 3-4, honeycomb screen 5, for bulb road 6, ball collection box 7, baffle plate 8, switching mat 14, expansion bracket 15, N group light beam R-T unit and control system;
Spacingly be in the same place by the order of ecto-entad successively coaxial sleeve with supply air line 3 with supply air line 1 and suspension; 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; Honeycomb screen 5 covers and is fixed on and suspends with on supply air line 3 madial walls; Spacing with supply air line 1 with suspend and be fixed on expansion bracket 15 front ends with supply air line 3;
Goal mouth for bulb road 6 is communicated with the bottom of ball collection box 7; Spacing with supply air line 1 with suspend with all having the goal mouth on the sidewall of supply air line 3, the goal mouth of passing on spacing supply air line 1 sidewall for bulb road 6 is communicated with the goal mouth on supply air line 3 sidewalls with suspension; Honeycomb screen 5 is positioned at the downside that suspends with the goal mouth on supply air line 3 sidewalls, is acute angle for the angle between bulb road 6 and the spacing supply air line 1; Baffle plate 8 is arranged in for bulb road 6, and described baffle plate 8 adopts lower mode of opening to be connected with the sidewall that supplies bulb road 6 by 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 described optical beam generating device 12-1 and light beam receiving system 12-2 are oppositely arranged; N group light beam R-T unit all is arranged on spacing top, plane, place, gas outlet with supply air line 1, and the beam direction of light beam R-T unit outgoing is horizontal direction; The light beam of N group light beam R-T unit outgoing all is positioned on the same level, and this plane and spacing place, gas outlet plane parallel with supply air line 1;
After switching mat 14 is laid on expansion bracket 15 and stretches the position under;
Control system comprises control circuit 60, timer 50, an air pump drive circuit 1-3, No. three air pump drive circuit 3-3, barrier driving circuit 8-2, switch quantity acquisition circuit 14-1, expansion bracket drive unit 15-1, expansion bracket drive circuit 15-2 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 output part of No. three air pump drive circuit 3-3 is connected with the driving signal input of No. three air pump 3-4;
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;
The expansion bracket of control circuit 60 drives signal output part and is connected with the driving signal input of expansion bracket drive circuit 15-2; The driving signal output part of described expansion bracket drive circuit 15-2 is connected with the driving signal input of expansion bracket drive unit 15-1; Expansion bracket drive unit 15-1 is used for driving expansion bracket 15 and does stretching motion;
Described expansion bracket drive unit 15-1 can adopt motor, air pump etc. can realize the straight-line device realization of one dimension.
The switch acquisition signal input part of switch quantity acquisition circuit 14-1 is connected with the switching value signal output part of switching mat 14, and the switch acquisition signal output part of described switch quantity acquisition circuit 14-1 is connected with the switching value signal input part of control circuit 60;
The light beam generation control signal input of each optical beam generating device 12-1 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 is connected with a beam signal input of control circuit 60;
N is the positive integer more than or equal to 2.
Honeycomb screen is network, and the area of each mesh is identical.
The floated edge that is fixed on the training court for ball and the end of waving the expansion bracket 15 of arm device for monitoring speed by support 16 of the described vollyball of present embodiment, the collapsing length of described expansion bracket 15 designs according to training need.
Vollyball 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, within a time cycle, control circuit 60 control baffle plates 8 are opened, and a vollyball is fallen on the honeycomb screen 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 vollyball of one-period is floated for ball; Then, under the setting-up time interval, carry out the vollyball suspension of next cycle.
Sportsman of the present invention waves arm speed monitoring principle: the present invention is at spacing a plurality of light beam R-T units that be arranged in parallel in the plane above with the gas outlet of supply air line 1, when the sportsman waves the continuously light beam of cutting more than two of arm cutting light, by the distance of calculating two optical beam generating devices and the time interval of cutting two light beams, thereby obtain the instantaneous arm speed of waving.
In the present embodiment, when the sportsman prepares to carry out the slam-shot of take-off formula, athletic feet is trampled switching mat 14, simultaneously, control circuit 60 drives expansion bracket 15 rapidly to the contraction of Athletes direction, abdicates sportsman's body position, guarantees that the sportsman is when take-off and whereabouts, be not subject to the interference of expansion bracket 15, guarantee athletic personal safety.After finishing direct smash, control circuit 60 drives expansion bracket 15 and stretchs out, and realizes supplying ball next time.In the present embodiment, switching mat 14 is arranged on the below of expansion bracket 15, realizes the spiking training of sportsman on the some position of any point.
The specific embodiment two, this specific embodiment and the specific embodiment one described vollyball are floated to be for ball and the difference of waving the arm device for monitoring speed, it also comprises M root rotation supply air line 2, M magnetic valve 2-1 and No. two air pump 2-4, described M root rotation is with in the supply air line 2 uniform annular spaces that are arranged between spacing usefulness supply air line 1 and the suspension usefulness supply air line 3, described M root rotation is parallel to each other with supply air line 2 and is parallel to spacing axis with supply air line 1, every rotation uses the air inlet of supply air line 2 bottoms to be connected with the air inlet of a magnetic valve 2-1 respectively, 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 the positive integer greater than 3.
In the present embodiment, the rotation of adopting the rotation of M root to realize supplying vollyball in the ball process with supply air line 2 with supply air line 2 corresponding part valve opening and closing, realizes the motions such as vollyball as above revolves, backspin by the control rotation, the more operation of real simulation vollyball, training effect is better.
The specific embodiment three, this specific embodiment and the specific embodiment one or two described vollyballs are floated to be for ball and the difference of waving the arm device for monitoring speed, it also comprises fixed mount 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 fixed mount 11 by universal joint 9; Described fixed mount 11 is fixed on the front end of expansion bracket 15, 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.The two-dimentional driving mechanism that present embodiment increases can adopt existing equipment to realize.For example: can realize by two motors, wherein motor produces directions X for the movable end of driving arm movement, another motor is used for the movement of the movable end generation Y-direction of driving arm.
The specific embodiment four, the specific embodiment three described vollyballs are floated to be for ball and the difference of waving the arm device for monitoring speed, it also comprises sprays with supply air line 4 and high-pressure pump 4-4, sprays with supply air line 4 coaxial sleeves suspending with supply air line 3 inside; The air intake that sprays with supply air line 4 bottoms is communicated with the gas outlet of high-pressure pump 4-4, and described injection is positioned at honeycomb screen 5 times with the top of supply air line 4;
Control system also comprises high-pressure pump drive circuit 4-3, and 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.
Vollyball 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, within a time cycle, control circuit 60 control baffle plates 8 are opened, and a vollyball is fallen on the honeycomb screen 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 vollyball injecting type of realization one-period are for ball therewith; Then, the vollyball that carries out next cycle under the setting-up time interval sprays.
Present embodiment is used for the process that vollyball sprays, and in the present embodiment, adjusts direction by universal joint, realizes that the vollyball of different angles sprays.
The specific embodiment five, the specific embodiment one, two or four described vollyballs are floated to be M=12 for ball and the difference of waving the arm device for monitoring speed.
The specific embodiment six, the specific embodiment five described vollyballs are floated to be for ball and the difference of waving the arm device for monitoring speed, and control circuit 60 adopts chip microcontroller.
The specific embodiment seven, the specific embodiment one, two, four or six described vollyballs are floated to be for ball and the difference of waving the arm device for monitoring speed, is spaced apart 5cm between the N group light beam R-T unit.
Claims (7)
1. vollyball is floated for ball and wave the arm device for monitoring speed, it is characterized in that: 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), honeycomb screen (5), for bulb road (6), ball collection box (7), baffle plate (8), switching mat (14), expansion bracket (15), N group light beam R-T unit and control system;
Coaxial sleeve is together successively for spacing order of pressing ecto-entad with supply air line (1) and the usefulness supply air line (3) that suspends; 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); Honeycomb screen (5) covers and is fixed on and suspends with on supply air line (3) madial wall; Spacing with supply air line (1) with suspend and to be fixed on expansion bracket (15) front end with supply air line (3);
Goal mouth for bulb road (6) is communicated with the bottom of ball collection box (7); Spacing with supply air line (1) with suspend with all having the goal mouth on the sidewall of supply air line (3), the goal mouth of passing on spacing supply air line (1) sidewall for bulb road (6) is communicated with the goal mouth on supply air line (3) sidewall with suspension; Honeycomb screen (5) is positioned at the downside that suspends with the goal mouth on supply air line (3) sidewall, is acute angle for the angle between bulb road (6) and the spacing supply air line (1); Baffle plate (8) is arranged in for bulb road (6), and described baffle plate (8) adopts lower mode of opening to be connected with the sidewall that supplies bulb road (6) by 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 described optical beam generating device (12-1) and light beam receiving system (12-2) are oppositely arranged; N group light beam R-T unit all is arranged on spacing top, plane, place, gas outlet with supply air line (1), and the beam direction of light beam R-T unit outgoing is horizontal direction; The light beam of N group light beam R-T unit outgoing all is positioned on the same level, and this plane and spacing place, gas outlet plane parallel with supply air line (1);
After switching mat (14) is laid on expansion bracket (15) and stretches the position under;
Control system comprises control circuit (60), timer (50), an air pump drive circuit (1-3), No. three air pump drive circuits (3-3), barrier driving circuit (8-2), switch quantity acquisition circuit (14-1), expansion bracket drive unit (15-1), expansion bracket drive circuit (15-2) 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 output part of No. three air pump drive circuits (3-3) is connected with the driving signal input of No. three air pumps (3-4);
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;
The expansion bracket of control circuit (60) drives signal output part and is connected with the driving signal input of expansion bracket drive circuit (15-2); The driving signal output part of described expansion bracket drive circuit (15-2) is connected with the driving signal input of expansion bracket drive unit (15-1); Expansion bracket drive unit (15-1) is used for driving expansion bracket (15) and does stretching motion;
The switch acquisition signal input part of switch quantity acquisition circuit (14-1) is connected with the switching value signal output part of switching mat (14), and the switch acquisition signal output part of described switch quantity acquisition circuit (14-1) is connected with the switching value signal input part of control circuit (60);
The light beam generation control signal input of each optical beam generating device (12-1) 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) is connected with a beam signal input of control circuit (60);
N is the positive integer more than or equal to 2.
2. vollyball according to claim 1 is floated supplies ball and waves the arm device for monitoring speed, it is characterized in that it also comprises M root rotation supply air line (2), M magnetic valve (2-1) and No. two air pumps (2-4), described M root rotation is with in the uniform annular space that is arranged between spacing usefulness supply air line (1) and the suspension usefulness supply air line (3) of supply air line (2), described M root rotation is parallel to each other with supply air line (2) and is parallel to spacing axis with supply air line (1), every rotation uses the air inlet of supply air line (2) bottom to be connected with the air inlet of a magnetic valve (2-1) respectively, 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 the positive integer greater than 3.
3. vollyball according to claim 1 and 2 is floated supplies ball and waves the arm device for monitoring speed, it is characterized in that it also comprises fixed mount (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 fixed mount (11) by universal joint (9); Described fixed mount (11) is fixed on the front end of expansion bracket (15), 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 output part of described two-dimentional drive circuit (9-2) is connected with the driving signal input of two-dimentional driving mechanism.
4. vollyball according to claim 3 is floated supplies ball and waves the arm device for monitoring speed, it is characterized in that it also comprises injection supply air line (4) and high-pressure pump (4-4), sprays with supply air line (4) coaxial sleeve and uses supply air line (3) inside in suspension; The air intake that sprays with supply air line (4) bottom is communicated with the gas outlet of high-pressure pump (4-4), and described injection is positioned under the honeycomb screen (5) with the top of supply air line (4);
Control system also comprises high-pressure pump drive circuit (4-3), and 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).
According to claim 2 or 4 described vollyballs floated for ball and wave the arm device for monitoring speed, it is characterized in that M=12.
6. vollyball according to claim 5 is floated supplies ball and waves the arm device for monitoring speed, it is characterized in that control circuit (60) adopts chip microcontroller.
7. according to claim 1,2,4 or 6 described vollyballs are floated for ball and wave the arm device for monitoring speed, it is characterized in that the 5cm that is spaced apart between the N group light beam R-T unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110447527 CN102416251B (en) | 2011-12-28 | 2011-12-28 | Suspension volleyball supply and arm speed monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110447527 CN102416251B (en) | 2011-12-28 | 2011-12-28 | Suspension volleyball supply and arm speed monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102416251A CN102416251A (en) | 2012-04-18 |
| CN102416251B true CN102416251B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110447527 Expired - Fee Related CN102416251B (en) | 2011-12-28 | 2011-12-28 | Suspension volleyball supply and arm speed monitoring device |
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| CN (1) | CN102416251B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5356148A (en) * | 1993-08-03 | 1994-10-18 | Elder Jr John F | Simplified mechanism for automatically teeing practice golf balls |
| CN201079672Y (en) * | 2006-11-28 | 2008-07-02 | 李恒 | Multifunctional volleyball trainer |
| CN201969308U (en) * | 2011-04-25 | 2011-09-14 | 付哲敏 | Volleyball smashing and serving technical movement training aid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002028271A (en) * | 2000-07-17 | 2002-01-29 | Asuko:Kk | Tee device for golf practicing |
-
2011
- 2011-12-28 CN CN 201110447527 patent/CN102416251B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5356148A (en) * | 1993-08-03 | 1994-10-18 | Elder Jr John F | Simplified mechanism for automatically teeing practice golf balls |
| CN201079672Y (en) * | 2006-11-28 | 2008-07-02 | 李恒 | Multifunctional volleyball trainer |
| CN201969308U (en) * | 2011-04-25 | 2011-09-14 | 付哲敏 | Volleyball smashing and serving technical movement training aid |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-28271A 2002.01.29 |
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| Publication number | Publication date |
|---|---|
| CN102416251A (en) | 2012-04-18 |
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