CN109173218A - One kind being vertically arranged two-wheel service system, system control method and its CPU control method - Google Patents
One kind being vertically arranged two-wheel service system, system control method and its CPU control method Download PDFInfo
- Publication number
- CN109173218A CN109173218A CN201811010705.6A CN201811010705A CN109173218A CN 109173218 A CN109173218 A CN 109173218A CN 201811010705 A CN201811010705 A CN 201811010705A CN 109173218 A CN109173218 A CN 109173218A
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- module
- ball
- cpu control
- payment
- service
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/406—Stationarily-arranged devices for projecting balls or other bodies with rotating discs, wheels or pulleys gripping and propelling the balls or bodies by friction
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Toys (AREA)
Abstract
One kind being vertically arranged two-wheel service system, system control method and its CPU control method and belongs to exercising device technical field;System includes equipment lock module connection CPU control module by wireless communication, CPU control module is separately connected display module, CPU control module, tip-in detection module, detection module of losing, service module and payment module, and power module is display module, CPU control module, tip-in detection module, detection module of losing, service module, payment module and equipment lock power supply;Method includes setting serve speed and quantity on the display module, and by the quantity of tip-in detection module real-time monitoring ball, quantity is inadequate, payment cannot be completed, otherwise payment is completed to open equipment lock, by whether having ball in detection module real-time monitoring transporting hose of losing, without ball, CPU control module control agitating unit is rotated, completion is lost movement, and until detection module of losing detects ball, operation of the present invention is simple, automatically tip-in is lost and is reminded, saved manpower and material resources.
Description
Technical field
The invention belongs to exercising device technical fields more particularly to one kind to be vertically arranged two-wheel service system, system control method
And its CPU control method.
Background technique
Service robot is typically in order to which synkinesia person is practiced at present, and has ignored function of its own entertainment,
When non professional sportsman carries out amusement practice, if being unable to get due amusement effect at all using the service robot of profession
Fruit, and the participation of ladder player is necessarily required to if being not suitable for service robot and being practiced, amusement cost is increased, so
Inventing a kind of initiation machine suitable for non professional sportsman is necessary;So once existing service robot is straight
It connects and practices if using as to non professional sportsman, existing ball service robot puts that ball is few, and complicated for operation, wasting manpower and material resources are right
Non-professional sportsman's use causes great inconvenience.
Summary of the invention
The present invention overcomes above-mentioned the deficiencies in the prior art, provide one kind and are vertically arranged two-wheel service system, system control method
And its CPU control method, the present invention pass through tip-in detection module by setting serve speed on the display module and service quantity
The quantity of real-time monitoring ball, when quantity is inadequate, payment cannot be completed, otherwise payment is completed to open equipment lock, passes through inspection of losing
Whether have ball, if CPU control module control agitating unit is rotated, complete without ball if surveying in module real-time monitoring transporting hose
At movement of losing, until detection module of losing detects ball, operation of the present invention is simple, loses and remind tip-in automatically, saves
Manpower and material resources.
Technical solution of the present invention:
One kind being vertically arranged two-wheel service system, including display module, CPU control module, tip-in detection module, loses and detect mould
Block, service module, payment module, wireless communication module, equipment lock and power module;The equipment locks module by wireless communication
CPU control module is connected, the CPU control module is separately connected display module, CPU control module, tip-in detection module, loses
Detection module, service module and payment module, the power module be display module, CPU control module, tip-in detection module,
Detection module, service module, payment module, wireless communication module and the equipment of losing lock power supply.
Further, the service module includes frame unit, storage ball groove, agitating unit, transmission unit and service unit;
The frame unit top is provided with storage ball groove, and one group of agitating unit is provided in the storage ball groove, and the storage ball groove lower end adds
Work is lost mouth, and the goal end of lose mouth and the transmission unit connects, and the transmission unit goes out ball end and the service singly
Member connection;
The transmission unit includes one group of transfer conduit;
The service unit includes power device and cylinder pushing meanss, and the power device and cylinder pushing meanss are distinguished
The two sides for going out ball end of the transmission unit are set.
Further, in storage ball groove, the detection module of losing is arranged in transfer tube for the tip-in detection module setting
Lu Zhong.
Further, the payment module includes supplementing with money with card reader and service card reader, and described supplement with money uses card reader
For supplementing with money for RFID card piece, service card reader is used for using the payment service of RFID card piece.
It further, further include start button and button indicating lamp, the start button and the button indicating lamp are arranged
Close to display module.
Further, the display module is touch display screen.
It further, further include floor push.
It is a kind of based on it is described be vertically arranged two-wheel service system realize control method, comprising the following steps:
Step a, power on;
Step b, it is paid by payment module, is in 20 cm ranges in tip-in detection module real-time monitoring storage ball groove
It is no to have ball, and CPU control module is transmitted information in real time, if tip-in detection module does not monitor in continuous 7 seconds
Ball, CPU control module terminate payment function, and control LED light flashing, display module prompts ball inadequate, needs tip-in, otherwise pays
Expense completes information and is transmitted to CPU control module;
Step c, CPU control module control equipment lock is opened, on the display module display and operation password, input manipulation password
It is operated, setting serve speed and service quantity;
Step d, started by floor push;
Step e, rotating Vortex is done in double stirring motors work in CPU control module control agitating unit, is driven two and is stirred
It mixes impeller and does rotating Vortex, drive the ball rotation in ball frame and by entering in the transporting hose in transmission unit, cylinder pushes
Ball by shifting between two friction pulleys, is launched ball by device by the friction pulley rotated;
Step f, whether 10 centimetre in the range of have ball, and in real time will letter if losing in detection module real-time monitoring transporting hose
Breath is transmitted to CPU control module, and when detecting does not have ball, CPU control module control agitating unit is rotated, and completes to lose
Movement, until losing, detection module detects ball.
It is a kind of based on it is described be vertically arranged two-wheel service system realize CPU control method, including the following steps:
Step a, parameter configuration, program operation;
Step b, payment program is carried out, when receiving ball spacing wave, payment is terminated, waits tip-in, receive tip-in signal
When, continue program of paying, when being not received by ball spacing wave, complete charge program;
Step c, it receives payment and completes signal, carry out step d, if it is not, carrying out step a;
Step d, electric motor starting is controlled, enabling signal is received;
Step e, it serves a ball one, reset motor;
Step f, time delayed signal is issued, judges whether to distribute one group, if so, EP (end of program), if it is not, executing step e.
The present invention has the advantages that compared with the existing technology
Two-wheel service system, system control method and its CPU control method, the present invention is vertically arranged the invention discloses one kind to lead to
It crosses setting serve speed on the display module and service quantity and quantity is worked as by the quantity of tip-in detection module real-time monitoring ball
When inadequate, payment cannot be completed, otherwise payment is completed to open equipment lock, by detection module real-time monitoring transporting hose of losing
Whether there is ball, if CPU control module control agitating unit is rotated without ball, completes movement of losing, detect mould until losing
Block detects ball, and operation of the present invention is simple, loses and reminds tip-in automatically, saved manpower and material resources.
The present invention, which is equipped with, enters password, can prevent personnel misoperation, ball velocity modulation section, one group of service one and service
Control setting, can effective visual inspection service robot debugging mode.
Detailed description of the invention
Fig. 1 is system structure of the invention figure;
Fig. 2 is the structural schematic diagram of service module;
Fig. 3 is the structural schematic diagram for storing up ball groove;
Fig. 4 is the structural schematic diagram of transmission unit;
Fig. 5 is the structural schematic diagram of service unit;
Fig. 6 is the scheme of installation of friction wheel disc;
Fig. 7 is CPU control method flow chart.
In figure: 1 display module, 2CPU control module, 3 tip-in detection modules, 4 lose detection module, 5 service modules, 5-1
Frame unit, 5-1-1 shifting roller, 5-1-2 moving handle, 5-1-3 service robot skeleton, 5-1-4 service robot covering, 5-2 store up ball
Slot, 5-2-1 storage ball frame, 5-2-2 storage ball transverse slat, 5-2-3 store up ball inclined plate, 5-2-4 loses, and mouth, 5-3 agitating unit, 5-3-1 are stirred
It mixes flabellum, 5-3-2 stirring motor, 5-4 transmission unit, 5-4-1 transfer conduit, 5-4-2 and keeps in shell, 5-5 service unit, 5-5-
1 power device, 5-5-2 cylinder pushing meanss, 6 payment modules, 7 wireless communication modules, 8 equipment lock, 9 power modules.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail.
Specific embodiment one
One kind being vertically arranged two-wheel service system, as shown in Figure 1, including display module 1, CPU control module 2, tip-in detection mould
Block 3, detection module 4 of losing, service module 5, payment module 6, wireless communication module 7, equipment lock 8 and power module 9;It is described to set
Module 7 connects CPU control module 2 to standby lock 8 by wireless communication, and the CPU control module 2 is separately connected display module 1, CPU
Control module 2, tip-in detection module 3, detection module 4 of losing, service module 5 and payment module 6, the power module 9 is aobvious
Show module 1, CPU control module 2, tip-in detection module 3, detection module 4 of losing, service module 5, payment module 6, wireless communication
8 power supply of module 7 and equipment lock.
Specifically, as shown in figures 2-6, the service module 5 includes frame unit 5-1, storage ball groove 5-2, agitating unit 5-
3, transmission unit 5-4 and service unit 5-5;The top the frame unit 5-1 is provided in storage ball groove 5-2, the storage ball groove 5-2
It is provided with one group of lower end agitating unit 5-3, the storage ball groove 5-2 and is machined with mouthful 5-2-4 that loses, mouthful 5-2-4 and the biography of losing
The goal end of defeated unit 5-4 connects, and the ball end that goes out of the transmission unit 5-4 is connect with the service unit 5-5;
The service unit 5-5 includes power device 5-5-1 and cylinder pushing meanss 5-5-2, the power device 5-5-1
The two sides for going out ball end of the transmission unit 5-4 are separately positioned on cylinder pushing meanss 5-5-2.
Specifically, on shifting roller 5-1-1 there are two the lower end settings of the frame unit 5-1, the frame unit 5-1
End is provided with one group of moving handle 5-1-2.
Increase handle and bottom roller facilitates carrying to move;
Specifically, the storage ball groove 5-2 includes one group of storage ball frame 5-2-1, and the lower end storage ball frame 5-2-1 is provided with
Ball transverse slat 5-2-2, the storage ball frame 5-2-1 and the storage ball transverse slat 5-2-2 is stored up to be arranged inside the frame unit 5-1,
The storage ball side transverse slat 5-2-2 is fixedly connected with one group of storage ball inclined plate 53, is machined with the leakage on the storage ball transverse slat 5-2-2
Ball mouth 5-2-4, mouthful two sides 5-2-4 of losing are provided with the agitating unit 5-3.
Specifically, the agitating unit 5-3 includes that two stirring motors 5-3-2, the stirring motor 5-3-2 pass through bolt
Be fixed at below the storage ball transverse slat 5-2-2, the stirring motor 5-3-2 main shaft pass through the storage ball transverse slat 5-2-2 and
One group of stirring flabellum 5-3-1 is detachably connected, and two stirring motor 5-3-2 are separately positioned on mouthful two sides 5-2-4 of losing.
The ball frame bottom of agitating unit has certain inclination angle, and conceding points sufficiently to leak out from lose mouthful 5-2-4 of leakage;
In the stirring flabellum 5-3-1 described in mouthful two groups of the two sides 5-2-4 setting that loses in agitating unit 5-3, change traditional turn
Disk is lost mode, changes the rock-steady structure of ball at mouth of losing by impeller rotary mode, ball is made smoothly to fall, while being rotated to ball
The power of oblique direction is provided, while effectively solving the problems, such as card ball, radial frictional force when motor rotation can be reduced, reduce electricity
Machine loss, extends motor " service life, improve electric efficiency;
Specifically, the transmission unit 5-4 includes one group of transfer conduit 5-4-1, the goal end of transfer conduit 5-4-1 and institute
A mouthful 5-2-4 connection of losing is stated, the ball end that goes out of the transfer conduit 5-4-1 is connected to one group of temporary shell 5-4-2, the temporary shell
The one end body 5-4-2 is machined with ball mouth, and the temporary shell 5-4-2 other end is connect with cylinder pushing meanss 5-5-2, described temporary
It deposits and is provided with the power device 5-5-1 at the ball mouth of shell 5-4-2.
Specifically, the cylinder pushing meanss 5-5-2 includes one group of pusher cylinder 5-5-2-1, the pusher cylinder 5-5-
The fixing end of 2-1 is fixed inside the frame unit 5-1, is provided on the movable end of the pusher cylinder 5-5-2-1
One group of plate of pushing the ball, processes on the plate of pushing the ball fluted, and the movable end of the pusher cylinder 5-5-2-1 and plate of pushing the ball are arranged at
In the temporary shell 5-4-2.
Specifically, the power device 5-5-1 includes two groups of friction turbin generators 5-5-1-1, the friction turbin generator 5-5-
The main shaft of 1-1 is fixedly connected by tensioner 5-5-1-2 with one group of friction wheel disc 5-5-1-3, the outer end the tensioner 5-5-1-2
It is provided with trim 5-5-1-4, two friction wheel disc 5-5-1-3 are separately positioned on the ball out of the temporary shell 5-4-2
Above and below mouthful;
Previous key slot type connection type to be abandoned in the fixed form of friction pulley, is connected using expansion sleeve, accuracy of alignment is high,
It is easy for assemble or unload, intensity is high and connective stability is reliable.
The speed of friction pulley is adjustable, adjustable angle, is adapted to different places;
Using friction turbin generator 5-5-1-1 is vertically arranged, service stability can be improved, prevent baseball two sides deviation pair to the left and right
Batter damages;
Specifically, each outer end the friction wheel disc 5-5-1-3 is provided with friction rubber set.
Specifically, the frame unit 5-1 includes service robot skeleton 5-1-3 and service robot covering 5-1-4, and the stirring is single
First 5-3, transmission unit 5-4 and service unit 5-5 are arranged inside the service robot skeleton 5-1-3, the service robot skeleton
The outer end 5-1-3 is coated with the service robot covering 5-1-4, and pair of the service robot covering 5-1-4 and the service unit 5-5
It answers and is machined with service ball mouth 5-1-4-1 at position;External structure increases package protection comprehensively, can be with dust-proof grass, and allows friction
Wheel rotating part is separated with user of service, and avoiding personnel, accidentally touching friction pulley generates human safety issues.
Firstly, rotating Vortex is done in the double stirring motors work stirred in module after equipment is powered, two agitator arms are driven
Rotation, drive ball frame in ball rotation and by enter transmission module in transporting hose in, cylinder pushing meanss by ball by
It shifts between two friction pulleys, is launched ball by the friction pulley rotated.
Specifically, in storage ball groove 5-2, the setting of detection module 4 of losing is being transmitted for the setting of tip-in detection module 3
In pipeline 5-4-1.
Adding tip-in detection module 3 can inform that user carries out tip-in in time, and infrared detection of losing, which can be effectively controlled, to be stirred
The unlatching and stopping of impeller are mixed, electric energy is saved;
Specifically, the payment module 6 includes supplementing with money with card reader and service card reader, and described supplement with money is used with card reader
It is supplemented with money in for RFID card piece, service card reader is used for using the payment service of RFID card piece.
It specifically, further include start button and button indicating lamp, the start button and button indicating lamp setting exist
Close to display module 1, module 7 connects CPU control module 2 by wireless communication.
Specifically, the display module 1 is touch display screen.
It specifically, further include floor push, module 7 connects CPU control module 2 by wireless communication.
Specific embodiment two
It is a kind of based on it is described be vertically arranged two-wheel service system realize control method, comprising the following steps:
Step a, power on;
Step b, it is paid by payment module 6,3 real-time monitoring of tip-in detection module stores up 20 centimetres of models in ball groove 5-2
Whether there is ball in enclosing, and transmit information to CPU control module 2 in real time, if there there is no tip-in detection module 3 in continuous 7 seconds
Monitor ball, CPU control module 2 terminates payment function, control LED light flashing, and display module prompts ball inadequate, needs to mend
Ball plays tip-in animation, otherwise payment completes information and is transmitted to CPU control module 2;
Step c, CPU control module 2 controls equipment lock 8 and opens, the display and operation password on display module 1, input manipulation
Password is operated, setting serve speed and service quantity;
Step d, started by floor push;
Step e, CPU control module 2 controls double stirring motors work in agitating unit 5-3 and does rotating Vortex, drives two
A agitator arm does rotating Vortex, drives the ball rotation in ball frame and by the transporting hose 5-4-1 in entrance transmission unit 5-4
In, ball by shifting between two friction pulleys, is launched ball by cylinder pushing meanss 5-6-2 by the friction pulley rotated;
Step f, whether in detection module 4 real-time monitoring transporting hose 5-4-1 10 centimetre in the range of have ball, and real if losing
When transmit information to CPU control module 2, when detecting does not have ball, CPU control module 2 control agitating unit 5-3 revolved
Turn, completes movement of losing, detection module 4 detects ball until losing.
Specific embodiment three
It is a kind of based on it is described be vertically arranged two-wheel service system realize CPU control method, including the following steps:
Step a, parameter configuration, program operation;
Step b, payment program is carried out, when receiving ball spacing wave, payment is terminated, waits tip-in, receive tip-in signal
When, continue program of paying, when being not received by ball spacing wave, complete charge program;
Step c, it receives payment and completes signal, carry out step d, if it is not, carrying out step a;
Step d, electric motor starting is controlled, enabling signal is received;
Step e, it serves a ball one, reset motor;
Step f, time delayed signal is issued, judges whether to distribute one group, if so, EP (end of program), if it is not, executing step e.
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (9)
1. one kind is vertically arranged two-wheel service system, which is characterized in that including display module (1), CPU control module (2), tip-in detection
Module (3), detection module of losing (4), service module (5), payment module (6), wireless communication module (7), equipment lock (8) and electricity
Source module (9);The equipment lock (8) module (7) connection CPU control module (2) by wireless communication, the CPU control module
(2) display module (1), CPU control module (2), tip-in detection module (3), detection module of losing (4), service mould are separately connected
Block (5) and payment module (6), the power module (9) are display module (1), CPU control module (2), tip-in detection module
(3), detection module (4), service module (5), payment module (6), wireless communication module (7) and the equipment of losing lock (8) power supply.
2. one kind is vertically arranged two-wheel service system according to claim 1, which is characterized in that the service module (5) includes frame
Frame unit (5-1), storage ball groove (5-2), agitating unit (5-3), transmission unit (5-4) and service unit (5-5);The frame list
First top (5-1) is provided with storage ball groove (5-2), is provided with one group of agitating unit (5-3), the storage in the storage ball groove (5-2)
The lower end ball groove (5-2) is machined with mouth of losing (5-2-4), and the goal end of the mouth of losing (5-2-4) and transmission unit (5-4) connect
It connects, the ball end that goes out of the transmission unit (5-4) is connect with the service unit (5-5);
The transmission unit (5-4) includes one group of transfer conduit (5-4-1);
The service unit (5-5) includes power device (5-5-1) and cylinder pushing meanss (5-5-2), the power device (5-
The two sides for going out ball end of the transmission unit (5-4) 5-1) are separately positioned on cylinder pushing meanss (5-5-2).
3. one kind is vertically arranged two-wheel service system according to claim 2, which is characterized in that the tip-in detection module (3) sets
It sets in storage ball groove (5-2), the detection module of losing (4) is arranged in transfer conduit (5-4-1).
4. one kind is vertically arranged two-wheel service system according to claim 3, which is characterized in that the payment module (6) includes filling
Value card reader and service card reader, described supplement with money are used to supplement with money for RFID card piece with card reader, and card reader is used in the service
For using the payment service of RFID card piece.
5. one kind is vertically arranged two-wheel service system according to claim 4, which is characterized in that further include that start button and button refer to
Show that lamp, the start button and the button indicating lamp are positioned close to display module (1), module (7) by wireless communication
It connects CPU control module (2).
6. one kind is vertically arranged two-wheel service system according to claim 5, which is characterized in that the display module (1) is to touch
Display screen.
7. one kind is vertically arranged two-wheel service system according to claim 6, which is characterized in that further include floor push, pass through nothing
Line communication module (7) connects CPU control module (2).
8. a kind of control method realized based on any two-wheel service system of claim 1 to 7, which is characterized in that including
Following steps:
Step a, power on;
Step b, it is paid by payment module (6), tip-in detection module (3) real-time monitoring stores up in ball groove (5-2) 20 centimetres
Whether there is ball in range, and transmits information to CPU control module (2) in real time, if in continuous 7 seconds, tip-in detection module (3)
Ball is not monitored, and CPU control module (2) terminates payment function, control LED light flashing, and display module (1) prompt ball does not fill
Foot, needs tip-in, otherwise payment completes information and is transmitted to CPU control module (2);
Step c, CPU control module (2) control equipment lock (8) is opened, the display and operation password on display module (1), input behaviour
Control password is operated, setting serve speed and service quantity;
Step d, started by floor push;
Step e, rotating Vortex is done in double stirring motors work in CPU control module (2) control agitating unit (5-3), drives two
A agitator arm does rotating Vortex, drives the ball rotation in ball frame and by the transporting hose (5- in entrance transmission unit (5-4)
In 4-1), ball by shifting between two friction pulleys, is launched ball by cylinder pushing meanss (5-6-2) by the friction pulley rotated
It goes;
Step f, whether in detection module (4) real-time monitoring transporting hose (5-4-1) 10 centimetre in the range of have ball, and real if losing
When transmit information to CPU control module (2), when detecting does not have ball, CPU control module (2) control agitating unit (5-3)
It is rotated, movement of losing is completed, until detection module of losing (4) detects ball.
9. a kind of CPU control method realized based on any two-wheel service system of claim 1 to 7, which is characterized in that packet
Include the following steps:
Step a, parameter configuration, program operation;
Step b, payment program is carried out, when receiving ball spacing wave, payment is terminated, waits tip-in, when receiving tip-in signal, after
Continuous to carry out payment program, when being not received by ball spacing wave, complete charge program;
Step c, it receives payment and completes signal, carry out step d, if it is not, carrying out step a;
Step d, electric motor starting is controlled, enabling signal is received;
Step e, it serves a ball one, reset motor;
Step f, time delayed signal is issued, judges whether to distribute one group, if so, EP (end of program), if it is not, executing step e.
Priority Applications (1)
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CN201811010705.6A CN109173218B (en) | 2018-08-31 | 2018-08-31 | Vertical double-wheel service system, system control method and CPU control method thereof |
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CN201811010705.6A CN109173218B (en) | 2018-08-31 | 2018-08-31 | Vertical double-wheel service system, system control method and CPU control method thereof |
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CN109173218A true CN109173218A (en) | 2019-01-11 |
CN109173218B CN109173218B (en) | 2020-06-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110013659A (en) * | 2019-03-21 | 2019-07-16 | 广东农工商职业技术学院 | Multipurpose rod ball robot and its control method |
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US7691012B2 (en) * | 2003-11-03 | 2010-04-06 | Precision Sports Robotics, Llc | Programmable ball throwing apparatus |
CN202438116U (en) * | 2012-01-20 | 2012-09-19 | 王立学 | Tennis ball pitching machine |
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Publication number | Priority date | Publication date | Assignee | Title |
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US5195744A (en) * | 1991-11-13 | 1993-03-23 | Video Baseball, Inc. | Baseball batting practice apparatus with control means |
CN2595418Y (en) * | 2002-11-15 | 2003-12-31 | 罗晓林 | Ball throwing machine for tennis ball |
US7691012B2 (en) * | 2003-11-03 | 2010-04-06 | Precision Sports Robotics, Llc | Programmable ball throwing apparatus |
CN202438116U (en) * | 2012-01-20 | 2012-09-19 | 王立学 | Tennis ball pitching machine |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110013659A (en) * | 2019-03-21 | 2019-07-16 | 广东农工商职业技术学院 | Multipurpose rod ball robot and its control method |
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