CN110645977A - Football wireless positioning system and application thereof - Google Patents
Football wireless positioning system and application thereof Download PDFInfo
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- CN110645977A CN110645977A CN201810679638.0A CN201810679638A CN110645977A CN 110645977 A CN110645977 A CN 110645977A CN 201810679638 A CN201810679638 A CN 201810679638A CN 110645977 A CN110645977 A CN 110645977A
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- football
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 239000010985 leather Substances 0.000 claims abstract description 7
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 6
- 238000011105 stabilization Methods 0.000 abstract description 6
- 238000011160 research Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 206010012289 Dementia Diseases 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/04—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means
- G01C21/08—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means involving use of the magnetic field of the earth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/7163—Spread spectrum techniques using impulse radio
- H04B1/717—Pulse-related aspects
Abstract
The invention relates to the technical field of football referees, and particularly discloses a football wireless positioning system and application thereof. In the system, a permanent magnet is fixed at the center inside a football leather bag through a plurality of elastic ropes, a spherical magnet cutting coil is fixed inside the permanent magnet through an isolation ball, a suspension block is fixed on the spherical magnet cutting coil, the suspension block is used for driving the spherical magnet cutting coil to cut a magnetic field formed by the permanent magnet to generate electromotive force, the electromotive force is subjected to voltage stabilization and rectification through a voltage stabilization rectification circuit fixed inside the spherical magnet cutting coil and then charges a power supply module in the voltage stabilization rectification circuit, and a signal generation module can transmit position information of a football to a signal receiving unit outside the football in real time. The system can accurately position the real-time position of the football, so that the judge is assisted to accurately judge whether the football is off-line or not, cross goal lines and the like, the real-time speed and the running track of the football on the spot can be calculated, data are provided for scientific research personnel, and entertainment information is provided for common audiences.
Description
Technical Field
The invention belongs to the technical field related to football referees, and particularly relates to a football wireless positioning system and application thereof.
Background
As a football game which is a demented sports game for many people at present, the subjective penalty of an referee can win or lose a football game, and how to overcome the subjective penalty of the referee accurately determines whether the football is qualified or not, offside and other conditions, thereby ensuring the fairness and justness of the game is very important.
Disclosure of Invention
The invention aims to provide a football wireless positioning system and application thereof, which can accurately help a referee judge the real-time accurate position of a football, accurately determine the conditions of football outgoing lines, offside and the like, and provide guarantee for fair and fair match.
The technical scheme of the invention is as follows: a football wireless positioning system comprises a permanent magnet, a spherical cutting magnetic coil, a voltage stabilizing and rectifying circuit and a signal generating module, wherein, the permanent magnet of the spherical shell structure is fixed at the center inside the football leather bag through a plurality of elastic ropes, the spherical magnet cutting coil is fixed inside the permanent magnet through an isolation ball, a suspension block is fixed on the spherical magnet cutting coil, and the gravity action of the suspension block is utilized to drive the spherical magnet cutting coil to cut the magnetic field formed by the permanent magnet to generate electromotive force when the football is played, after voltage stabilization and rectification are carried out by a voltage stabilization and rectification circuit fixed in the spherical magnet cutting coil, a power supply module in the voltage stabilization and rectification circuit is charged so as to supply power to a signal generation module in the spherical magnet cutting coil, the signal generating module can send the position information of the football to the signal receiving unit outside the football in real time.
The signal generation module is connected with the voltage-stabilizing rectification circuit and fixed inside the spherical magnetic cutting coil, wherein the signal generation module comprises a UWB signal transmission module, a pulse generator module, a control module and a clock module, the UWB signal transmission module is connected with the control module and adopts pulses with extremely short time intervals for communication, and the control module is connected with the pulse generator module and the clock module and controls the time sequence of the clock module and the pulse generator module and simultaneously performs data communication control.
The signal generation module is an MB-OFDM-UWB baseband signal generation module system and comprises a signal processing module, a QPSK modulation part and an IFFT part, wherein the signal processing module completes source coding and channel coding of signals, carries out QPSK mapping and IFFT calculation on the signals, generates ultra-wideband baseband signals meeting the baseband transmission requirements, carries out a series of baseband processing on data streams according to a certain time sequence and finally forms a standard MB-ODFM symbol; the MCU ensures that the time sequence of the whole transmitter is correct, and simultaneously undertakes the task of interactive communication between a user and the MAC layer; each transmission process is initiated by the MAC layer, so an interrupted communication mode is used between the MCU and the MAC layer.
The permanent magnet is fixed at the center of the inner part of the football leather bag through six elastic ropes in the directions of three mutually perpendicular axes of xyz.
The football with wireless positioning system use in the football match to four corners in the football court distribution have arranged basic station A, basic station B, basic station C and basic station D, basic station A, basic station B, basic station C and basic station D be UWB signal receiver, it can receive the positioning signal that signal generation module launched in the football.
The distance between the installation positions of the base station A, the base station B, the base station C and the base station D and the boundary of the football field is not more than 1 meter and not less than 10 centimeters.
The invention has the following remarkable effects: the football wireless positioning system and the application thereof can accurately position the real-time position of the football, thereby assisting a judge to accurately judge whether the football is on line, passes through goal line and the like, and also can calculate the real-time speed and the running track of the football on the spot, provide data for scientific research personnel and provide entertainment information for common audiences.
Drawings
Fig. 1 is a schematic structural diagram of a wireless football positioning system according to the present invention;
fig. 2 is a schematic structural diagram of wireless signal positioning in a wireless football positioning system according to the present invention;
fig. 3 is a schematic structural diagram of a signal generation module system in a wireless football positioning system according to the present invention;
fig. 4 is a schematic view of an application scenario of a wireless football positioning system according to the present invention;
in the figure: 1. a football bladder; 2. a permanent magnet; 3. isolating the balls; 4. a hanging block; 5. a spherical magnet cutting coil; 6. a voltage stabilizing rectification circuit; 7. a signal generation module; 8. an elastic cord; 9. a base station A; 10. a base station B; 11. a base station C; 12. and a base station D.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, a football wireless positioning system comprises a permanent magnet 2, a spherical cutting magnet coil 5, a voltage stabilizing and rectifying circuit 6 and a signal generating module 7, wherein the permanent magnet 2 in a spherical structure is fixed at the center inside a football leather bag 1 through a plurality of elastic ropes 9, for example, the permanent magnet 2 is fixed at the center inside the football leather bag 1 through six elastic ropes 9 in the directions of xyz three mutually perpendicular axes; the spherical cutting magnetic coil 5 is fixed in the permanent magnet 2 through an isolation ball 3, and a suspension block 4 is fixed on the spherical cutting magnetic coil 5, wherein the spherical cutting magnetic coil 5 drives the spherical cutting magnetic coil 5 to rapidly cut a magnetic field to generate electromotive force under the action of the suspension block 4 when the spherical cutting magnetic coil 5 is restored to a balanced state from an unbalanced state, and the electromotive force is charged for a power supply in a voltage stabilizing and rectifying circuit 6 after voltage stabilizing and rectifying through the voltage stabilizing and rectifying circuit 6 fixed in the spherical cutting magnetic coil 5, wherein the voltage stabilizing and rectifying circuit 6 can adapt to irregular alternating current generated by different coil cutting magnetic field speeds due to different impact forces of a football, and adopts a circuit module unit which can meet the boosting function, the rectifying function, the voltage limiting function and the current limiting function in the prior art; the signal generating module 7 is connected with the voltage-stabilizing rectification circuit 6 and fixed inside the spherical demagnetizing coil 5, wherein, as shown in fig. 2, the signal generating module 7 comprises a UWB signal transmitting module, a pulse generator module, a control module and a clock module, wherein, the UWB signal transmitting module adopts pulses with extremely short time intervals for communication, the FCC gives a clear definition to the UWB signal, and the UWB signal is any signal which has an absolute bandwidth larger than 500MHz or a relative bandwidth (fractional bandwidth) larger than 0.2 and meets the FCC power spectral density limit requirement. The UWB communication scheme is a carrier modulation scheme, and a Multi-Band orthogonal frequency division Multiplexing (MBOA) scheme of multiple carriers is adopted. The MB-OFDM-UWB baseband signal generation module system is shown in fig. 3, and mainly comprises a signal processing module, QPSK modulation, and IFFT parts. Finishing signal source coding and channel coding of signals, carrying out QPSK mapping and IFFT calculation on the signals, generating ultra-wideband baseband signals meeting the baseband transmission requirements, and reducing the error rate of the system. The functional module performs a series of baseband processing on the data stream according to a certain time sequence, and finally forms a standard MB-ODFM symbol. The main control unit MCU is the core module of the whole transmitter, and controls the work of all the sub-modules to ensure the correct time sequence of the whole transmitter and simultaneously undertake the task of interactive communication between the transmitter and the MAC layer. Because each transmission process is initiated by the MAC layer, an interrupted communication mode is adopted between the MCU and the MAC layer. In order to accurately control the processing time of each functional module, the main control unit MCU adopts a counting mode to perform control. The working process of the MCU: when the MCU receives the request signal (TXSTART _ REQ) transmitted from the MAC layer, it first transmits a reset signal PHY _ RST to initialize the entire processor. And the PHY _ TXSTART signal is also serially input in synchronization with the request signal, and comprises a frame LENGTH to be transmitted (LENGTH), a transmission RATE (RATE), a transmission power (TXPWR), a SCRAMBLER field (SCRAMBLER), a burst mode field (BM), a preamble type field (PT), a transmitter TF code field (TX _ TFC), a minimum valid bit (LSB) of a band group used by the transmitter and other transmission parameters, and the MCU sends the received signals to corresponding output ports to control the processing module.
As shown in fig. 4, an application of a wireless positioning system for football comprises a base station a9, a base station B10, a base station C11 and a base station D12 which are respectively arranged at four corners of a football field, wherein the base station a9, the base station B10, the base station C11 and the base station D12 are UWB signal receivers which can receive positioning signals transmitted by a signal generation module 7 in football, including information such as football boundary departure and football boundary, a UWB transmitter in the football transmits a football position signal through an antenna, and UWB signal receivers in the base station a9, the base station B10, the base station C11 and the base station D12 receive the signals and transmit the real-time data to a server, and the server processes and analyzes all the data to obtain real-time position information of the football, thereby providing important data for football match judgment justice.
Claims (6)
1. A football wireless positioning system is characterized in that: the system comprises a permanent magnet (2), a spherical magnet cutting coil (5), a voltage stabilizing rectification circuit (6) and a signal generating module (7), wherein the permanent magnet (2) of the spherical shell structure is fixed at the center inside a football leather bag (1) through a plurality of elastic ropes (9), the spherical magnet cutting coil (5) is fixed inside the permanent magnet (2) through an isolation ball (3), a suspension block (4) is fixed on the spherical magnet cutting coil (5), the gravity action of the suspension block (4) during football motion is utilized to drive the spherical magnet cutting coil (5) to cut a magnetic field formed by the permanent magnet (2) to generate electromotive force, and the signal generating module (7) in the spherical magnet cutting coil (5) is charged through the voltage stabilizing rectification circuit (6) fixed inside the spherical magnet cutting coil (5) after voltage stabilizing rectification so as to realize power supply to the signal generating module (7) in the spherical magnet cutting coil (5), the signal generating module (7) can send the position information of the football to the signal receiving unit outside the football in real time.
2. The system of claim 1, wherein: the signal generation module (7) is connected with the voltage-stabilizing rectification circuit (6) and fixed inside the spherical magnet cutting coil (5), wherein the signal generation module (7) comprises a UWB signal transmission module, a pulse generator module, a control module and a clock module, the UWB signal transmission module is connected with the control module and adopts pulses with extremely short time intervals for communication, and the control module is connected with the pulse generator module and the clock module and controls the time sequence of the clock module and the pulse generator module and simultaneously performs data communication control.
3. A system as defined in claim 2, further comprising: the signal generating module (7) is an MB-OFDM-UWB baseband signal generating module system, which comprises a signal processing module, a QPSK modulation part and an IFFT part, wherein the signal processing module completes the source coding and the channel coding of signals, carries out QPSK mapping and IFFT calculation on the signals, generates ultra-wideband baseband signals meeting the baseband transmission requirements, carries out a series of baseband processing on data streams according to a certain time sequence and finally forms a standard MB-ODFM symbol; the MCU ensures that the time sequence of the whole transmitter is correct, and simultaneously undertakes the task of interactive communication between a user and the MAC layer; each transmission process is initiated by the MAC layer, so an interrupted communication mode is used between the MCU and the MAC layer.
4. The system of claim 1, wherein: the permanent magnet (2) is fixed at the center of the inner part of the football leather bag (1) through six elastic ropes (9) in the directions of three mutually perpendicular axes of xyz.
5. Use of a wireless location system for soccer according to claim 1, wherein: the football with wireless positioning system use in the football match to four corners in football court distribution arrange basic station A (9), basic station B (10), basic station C (11) and basic station D (12), basic station A (9), basic station B (10), basic station C (11) and basic station D (12) be UWB signal receiver, it can receive the locating signal of signal generation module (7) transmission in the football.
6. Use of a wireless location system for soccer according to claim 5, wherein: the distance between the installation positions of the base station A (9), the base station B (10), the base station C (11) and the base station D (12) and the boundary of the football field is not more than 1 meter and not less than 10 centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679638.0A CN110645977A (en) | 2018-06-27 | 2018-06-27 | Football wireless positioning system and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679638.0A CN110645977A (en) | 2018-06-27 | 2018-06-27 | Football wireless positioning system and application thereof |
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| CN110645977A true CN110645977A (en) | 2020-01-03 |
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| CN201810679638.0A Pending CN110645977A (en) | 2018-06-27 | 2018-06-27 | Football wireless positioning system and application thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672755A (en) * | 2004-03-24 | 2005-09-28 | 杨爱儒 | Digital ball sport |
| CN103280874A (en) * | 2013-06-05 | 2013-09-04 | 山东大学 | Device using movement of basketball to generate electricity |
| CN103977542A (en) * | 2014-04-25 | 2014-08-13 | 河南科技大学 | Power-generating basketball |
| CN104107532A (en) * | 2014-06-27 | 2014-10-22 | 何淼 | Rechargeable basketball |
| CN104225884A (en) * | 2014-09-29 | 2014-12-24 | 河南科技大学 | Novel electricity generating basketball |
| CN106487197A (en) * | 2016-11-25 | 2017-03-08 | 简极科技有限公司 | A kind of belt coil intelligent power generation ball |
| CN206518856U (en) * | 2017-02-23 | 2017-09-26 | 北京智物达科技有限公司 | A kind of football training real-time positioning system based on UWB technology |
| CN107213603A (en) * | 2017-07-25 | 2017-09-29 | 朱石明 | A kind of accumulation of energy football that electric energy is produced based on floated magnet sectioned coil |
| CN208505328U (en) * | 2018-06-27 | 2019-02-15 | 核工业西南物理研究院 | A kind of football wireless location system |
-
2018
- 2018-06-27 CN CN201810679638.0A patent/CN110645977A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672755A (en) * | 2004-03-24 | 2005-09-28 | 杨爱儒 | Digital ball sport |
| CN103280874A (en) * | 2013-06-05 | 2013-09-04 | 山东大学 | Device using movement of basketball to generate electricity |
| CN103977542A (en) * | 2014-04-25 | 2014-08-13 | 河南科技大学 | Power-generating basketball |
| CN104107532A (en) * | 2014-06-27 | 2014-10-22 | 何淼 | Rechargeable basketball |
| CN104225884A (en) * | 2014-09-29 | 2014-12-24 | 河南科技大学 | Novel electricity generating basketball |
| CN106487197A (en) * | 2016-11-25 | 2017-03-08 | 简极科技有限公司 | A kind of belt coil intelligent power generation ball |
| CN206518856U (en) * | 2017-02-23 | 2017-09-26 | 北京智物达科技有限公司 | A kind of football training real-time positioning system based on UWB technology |
| CN107213603A (en) * | 2017-07-25 | 2017-09-29 | 朱石明 | A kind of accumulation of energy football that electric energy is produced based on floated magnet sectioned coil |
| CN208505328U (en) * | 2018-06-27 | 2019-02-15 | 核工业西南物理研究院 | A kind of football wireless location system |
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