WO2016095780A1 - 基于物联网的游泳场馆运动成绩计时系统及计时方法 - Google Patents

基于物联网的游泳场馆运动成绩计时系统及计时方法 Download PDF

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WO2016095780A1
WO2016095780A1 PCT/CN2015/097299 CN2015097299W WO2016095780A1 WO 2016095780 A1 WO2016095780 A1 WO 2016095780A1 CN 2015097299 W CN2015097299 W CN 2015097299W WO 2016095780 A1 WO2016095780 A1 WO 2016095780A1
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radio frequency
module
server
reader
swimming
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PCT/CN2015/097299
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English (en)
French (fr)
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黄勇
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黄勇
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
    • G07C1/24—Race time-recorders
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations

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  • the invention relates to a motion timing system and a timing method, in particular to a swimming pool stadium sports performance timing system and a timing method based on the Internet of Things.
  • timing systems for testing swimming performance have been proposed at home and abroad.
  • the existing methods are mainly chronograph watches and game-specific timing systems.
  • the chronograph system with chronograph watches requires swimmers to purchase special watches. A single watch requires thousands of dollars, and the timing accuracy is poor. It requires more manual intervention and the user experience is poor.
  • the game-specific timing system is expensive, the timing process is complex, requires professional team operations, and can only record the results of one swimmer in one lane; it is only suitable for professional swimming competition venues.
  • the technical problem to be solved by the present invention is to provide an activity track timing system and a timekeeping method for a swimming stadium based on the Internet of Things, which not only has low cost and accurate timing, but also can record the scores of all swimmers in the swimming pool, and can satisfactorily satisfy the requirements. Timing needs of various swimming venues indoors and outdoors.
  • the technical solution adopted by the present invention to solve the above technical problem is to provide a swimming pool stadium sports performance timing system based on the Internet of Things, comprising a radio frequency tag module, the radio frequency tag module is a wearable RFID radio frequency tag, and each RFID radio frequency tag has a unique identifier; an information collecting module, the information collecting module is disposed at two ends of the swimming lane, each information collecting module includes an electrically connected first radio frequency reader and a first communication submodule, and the first radio frequency reader is from a swimmer
  • the wearable radio frequency tag module reads the unique identifier; the first communication sub-module transmits the read unique identifier of the radio frequency tag module to the server; the server stores an identifier of all the radio frequency tag modules and a swimming score corresponding to each radio frequency tag module; a score query module for querying a swimmer's swimming score, the score query module being placed in a swimming venue, the score query module comprising a second radio frequency reader and a second communication sub-module
  • the second radio frequency reader passes the
  • the above-mentioned IoT-based swimming stadium sports performance timing system further comprising a radio frequency tag binding module, configured to bind a swimmer and a selected radio frequency tag module, wherein the radio frequency tag binding module includes a third radio frequency a reader and a third communication sub-module, the third radio frequency reader being connected to the server by the third communication sub-module.
  • the above-mentioned Internet of Things-based swimming pool sports performance timing system wherein the first RF reader, the second RF reader, and the third RF reader each include a microprocessor, a power terminal and a power source of the microprocessor
  • the module is connected, the output end is connected to the buzzer, and the microprocessor is connected to the RFID radio frequency card reading circuit through an SPI interface, and the RFID radio frequency card reading circuit is connected by an EMC filter circuit, a matching circuit and an antenna coil, the first The RF reader is connected to the server via the RS485 bus via the first communication sub-module, and the second RF reader passes through the second communication sub-module
  • the RS485 bus is connected to the server, and the third RF reader is connected to the server via the RS232 bus via the third communication submodule.
  • the above-mentioned IoT-based swimming stadium sports performance timing system wherein the information collection module is packaged in an epoxy potting compound, and the information collection module is installed at 60 cm below the waterline to 50 cm on the waterline, the antenna
  • the quality factor of the coil Q range is 20 to 30.
  • radio frequency tag module is a wrist ring type, a finger ring type or a foot ring type.
  • the present invention also provides a method for timing the sports performance of a swimming pool based on the Internet of Things, which comprises the following steps: a) a radio frequency worn by a swimmer through a first radio frequency reader at one end of the swim lane when the swimmer starts.
  • the tag module reads the unique identifier, and the first communication sub-module at the end transmits the unique identifier of the read radio frequency tag module to the server; b) the server records the receiving time as the departure time of the radio frequency tag module; The swimmer arrives at the end of the lane, and the first RF reader at the other end of the lane reads the unique identifier from the RF tag module worn by the swimmer, and the first communication sub-module at the end uniquely identifies the read RF tag module. The message is transmitted to the server; d) the server records the receiving time as the arrival time of the radio frequency tag module, and the server records the swimmer's score according to the last two identifier receiving time intervals of the same radio frequency tag module.
  • the above-mentioned IoT-based swimming stadium sports performance timing method wherein the output of the first radio frequency reader is connected to a buzzer, and the first radio frequency reader reads the identifier of the radio frequency tag module and passes the bee The sounder will make a departure reminder.
  • the above-mentioned IoT-based swimming stadium sports performance timing method wherein when the server receives the identifier of the same radio frequency tag module multiple times within a preset time, the latest use is automatically used. The receiving time of one time is counted as the departure time of the radio frequency tag module, thereby eliminating the invalid timing.
  • each lane has a first radio frequency reader at each end thereof, and the server receives the same radio frequency label from the first radio frequency reader at different ends of the lanes.
  • the server automatically deducts the preset lane switching time and then gives the swimming score corresponding to the radio frequency tag module.
  • the radio frequency reader determines the lane where the radio frequency tag module is located by comparing the receiving source of the radio frequency tag module with the receiving source at the other end of the lane.
  • the timing system further includes a radio frequency tag binding module
  • the radio frequency tag binding module includes a third radio frequency reader and a third communication sub-module
  • the third radio frequency reader is connected to the server through the third communication sub-module, and the binding process is as follows: when the swimmer enters the market, if the swimmer is a member, the member information is directly related to the third radio frequency reader. Reading the identifier of a selected radio frequency tag module; if the swimmer is not a member, inputting the basic information of the swimmer and reading a selected radio frequency tag module with the third radio frequency reader The identifier is bound.
  • the above-mentioned IoT-based swimming stadium sports performance timing method further comprising the steps of: reading an identifier close to the radio frequency tag module through a second radio frequency reader in the performance inquiry module; and transmitting the radio frequency tag through the second communication sub-module
  • the identifier of the module is transmitted to the server; the server returns the swimming score corresponding to the radio tag module and is displayed on the score display.
  • the present invention has the following beneficial effects: the Internet of Things-based swimming stadium sports performance timing system and timing method provided by the present invention, the information acquisition module is set at both ends of the swimming lane, and the first radio frequency reader is used to obtain the swimmer wear.
  • the identifier of the RF tag module through the server to record the swimming score corresponding to the RF tag module, can simultaneously record the scores of all swimmers in the swimming pool; the cost per capita is almost negligible, greatly reducing the cost of use, and the timing accuracy can be Within 0.01s, it has reached the international competition time standard required by FINA, which can meet the timing requirements of indoor and outdoor swimming venues.
  • FIG. 1 is a schematic structural diagram of an activity time counting system of a swimming pool based on the Internet of Things according to the present invention
  • FIG. 2 is a schematic diagram of installation and distribution of an information collection module according to the present invention.
  • FIG. 3 is a schematic block diagram of a circuit of a radio frequency reader of the present invention.
  • FIG. 4 is a schematic diagram of a flow control process of a sports venue based on the Internet of Things in the present invention
  • FIG. 5 is a schematic diagram of a process of querying the performance of a swimming stadium based on the Internet of Things according to the present invention.
  • FIG. 1 is a schematic structural diagram of an activity time counting system of a swimming pool based on the Internet of Things according to the present invention.
  • the Internet of Things-based swimming stadium sports performance timing system provided by the present invention includes:
  • the radio frequency tag module 1 is a wearable RFID radio frequency tag, and each RFID radio frequency tag has a unique identifier.
  • the information collecting module 2 is disposed at two ends of the swimming lane, as shown in FIG. 2; each information collecting module 2 includes a first radio frequency reader and a first communication sub-module, and the first radio frequency reader is The radio frequency tag module worn by the swimmer reads the unique identifier; the first communication sub-module is responsible for transmitting the unique identifier of the read radio frequency tag module to the server.
  • the server 3 is configured to store identifiers of all the radio frequency tag modules 1 and swimming scores corresponding to each radio frequency tag module.
  • the result query module 4 is configured to query the swim performance of the swimmer, the score query module 4 is placed in the swimming pool, the grade query module 4 includes a second radio frequency reader and a second communication sub-module, and the second radio frequency reading The device is connected to the server 3 through the second communication submodule.
  • the score display 5 is used to display the swimming score; the score display 5 is connected to the output of the server 3.
  • the swimming performance printer 6 when the swimmer returns the radio frequency tag module, the swimming performance printer 6 can print the swimming results and hand it to the swimmer for reference by the swimmer.
  • the radio frequency tag binding module 7 is configured to bind and unbind a specific radio frequency tag module and a specific swimmer.
  • FIG. 3 is a block diagram showing the circuit of a radio frequency reader of the present invention.
  • the invention provides an Internet of Things-based swimming stadium sports performance timing system, wherein the first RF reader, the second RF reader, and the third RF reader are both included.
  • the microprocessor 21 is connected to the RFID radio frequency card reading circuit 25 through an SPI interface, and the RFID radio frequency card reading circuit 25 is connected through an EMC filter circuit, a matching circuit and an antenna coil, and the serial port of the microprocessor of the first radio frequency reader
  • the terminal is connected to the first communication sub-module through the RS485 bus, and the serial port end of the microprocessor of the second RF reader is connected to the second communication sub-module through the RS485 bus, and the third RF reader is connected to the third communication sub-module Connected to the server via the RS232 bus.
  • the invention provides an Internet of Things-based swimming stadium sports performance timing system, which is low in cost, and the cost per capita is almost negligible compared with the expensive watch-specific timing system, and the timing is accurate, due to swimming
  • the score is obtained by calculating the time difference between two samplings.
  • the system error and communication delay are negligible, so the timing accuracy can reach 0.01 seconds.
  • It has reached the time standard required by the FINA requirements for international competitions, and can record all the swimming venues simultaneously.
  • the score of the swimmer, and the watch scheme can only record the person.
  • the game-specific timing system can only record one swimmer in one lane. Therefore, the timing system of the invention has wide application range and can be widely used for indoor and outdoor and FINA definitions.
  • the standard the timing of non-standard swimming venues.
  • the information collecting module designed by the invention adopts epoxy potting technology to perform waterproof processing of components, and the information collecting module is encapsulated in an epoxy potting glue to achieve IP68 level (long-term immersion in Waterproof standard for water).
  • the information collecting module is installed at 60 cm below the waterline and 50 cm from the waterline.
  • the information collecting module is preferably installed from 6 cm below the waterline to 3 cm from the waterline.
  • Professional training for dedicated timers without FINA requirements In the venue, the information collecting module is preferably installed at 60 cm from the water line to 30 cm from the water line.
  • the first RF reader will be installed on the waterline from 40 cm to 50 cm (because FINA requires a dedicated timer to be installed 60 cm below the waterline) 30cm to the waterline).
  • the invention adopts the size and output power of an appropriate radio frequency reader antenna when designing the first radio frequency reader to avoid interference between a plurality of radio frequency tag modules.
  • the specific algorithm is as follows:
  • the RF antenna and its matching circuit have three parts: the antenna coil, the matching circuit and the EMC filter circuit.
  • the invention needs to ensure that the strength of the electromagnetic field is stable within the range required by the system, thereby avoiding interference of nearby radio frequency tags. There are many factors controlling the output power of the antenna.
  • the present invention focuses on the Q value of the quality factor of the control antenna, and the calculation formula is as follows:
  • the Q value of the antenna is used to evaluate the loop output efficiency
  • L is the antenna coil inductance
  • R is the antenna coil resistance
  • ⁇ is the angular frequency of the applied signal.
  • the higher the Q value the higher the energy output efficiency.
  • the invention adopts a low Q value design, and the quality factor Q value of the antenna coil ranges from 20 to 30.
  • the present invention provides a variety of radio frequency label packaging methods suitable for swimmers of different sports levels, such as bracelets and palm rings. , refers to the sleeve or the foot ring type.
  • the specific package usage and characteristics of various methods are as follows:
  • Package form 1 bracelet type.
  • the advantage of this method is that it can directly utilize the radio frequency tags that have been widely used in swimming venues. Does not change the user's current customer experience. For example, at present, many swimming venues have used locks based on the Internet of Things principle, and their keys use RF tags.
  • the invention is compatible with such radio frequency tags. The swimmer can directly use the radio frequency tag as a timing basis according to his own wearing habits.
  • Package form 2 palm ring type. This method is mainly for some swimmers who like to touch the palm of the hand. The swimmer can wear it on the palm of one's own habit.
  • Package form three refers to the sleeve type. This method is mainly for some swimmers who like fingertips. The swimmer can wear it on a finger that they are used to.
  • Package method 4 foot ring type. This method is mainly for swimmers who like to practice freestyle, backstroke on the back of the wall, swimmers can wear it on any of their own feet, the side with the radio frequency tag on the sole of the foot.
  • Method 1 The swimmer wears a bracelet, palm ring or finger-type RF tag on either hand. This method is suitable for swimmers who are fixed by the wall and do not use the wall-turning technique.
  • Method 2 The swimmer wears a wristband, palm ring or finger-type RF tag on both hands. This method is suitable for swimming lovers who do not fix the wall-to-wall hand and do not use the wall-turning technique. Good.
  • Method 3 The swimmer wears a bracelet, a palm ring or a finger-type RF tag on either hand, and wears a foot ring on either foot. This method is suitable for swimmers who are fixed by the wall and who use the wall turning technique.
  • Method 4 The swimmer wears a wristband, palm ring or finger-type RF tag on any two hands, and wears a foot ring on either foot. This method is suitable for swimmers who do not fix the wall-to-wall hand and use the wall-turning technique.
  • the invention also provides a method for timing the performance of swimming venues based on the Internet of Things, comprising the following steps:
  • the first RF reader at one end of the swim lane reads the unique identifier from the RF tag module worn by the swimmer, and the first communication sub-module at the end reads the unique identifier of the read RF tag module. Transfer to the server;
  • the server records the receiving time as the departure time of the radio frequency tag module
  • the swimmer arrives at the end of the lane, and the first RF reader at the other end of the lane reads the unique identifier from the RF tag module worn by the swimmer, while the first communication sub-module at the end reads the unique RF tag module
  • the identifier is passed to the server;
  • the server records the receiving time as the arrival time of the radio frequency tag module, and the server records the swimmer's score according to the last two identifier receiving time intervals of the same radio frequency tag module.
  • the invention provides a timing method for an IoT-based swimming stadium sports performance timing system, wherein an output end of the first radio frequency reader is connected to a buzzer, and the first radio frequency reader reads an identifier of the radio frequency tag module. After the symbol, the buzzer is used to make a departure reminder.
  • the method for timing the event-based time counting system of the swimming pool based on the Internet of Things provided by the present invention, when the server 3 is within a preset time (for example, within 5 to 10 seconds, can be configured online according to actual conditions)
  • the identifier of the same radio frequency tag module is received multiple times, and the latest one receiving time is automatically used as the starting time of the radio tag module to start timing, thereby eliminating the invalid timing.
  • the present invention is provided with a first radio frequency reader at each end of each lane.
  • the server 3 receives the identifier of the same radio frequency tag module from the first radio frequency reader at different lanes, the server 3 automatically After the preset lane switching time is deducted, the corresponding swimming score of the radio frequency tag module is given, so that the swimmer can still accurately time the lane when the swim lane is replaced midway.
  • the antenna output power of the present invention adopts a low Q value design to effectively prevent adjacent lanes from reading the same radio frequency tag module to cause interference.
  • the present invention can further prevent interference caused by adjacent lanes by the following algorithm: when the server 3 is When receiving the identifier of the same radio frequency tag module from the first radio frequency reader at the same end of the different lanes at the same time, the lane in which the radio frequency tag module is located is determined by comparing the receiving source of the identifier of the radio frequency tag module to the receiving source at the other end of the lane.
  • the method for calculating the swimming pool based on the Internet of Things provided by the invention can conveniently record the scores of all the swimmers in the swimming pool, and the user experience is good, and can well meet the timing requirements of various indoor and outdoor swimming venues.
  • the process of obtaining and recording the swimmer's score is shown in Figure 4, including the following steps:
  • S101 The swimmer enters the swimming pool and wears a wearable device equipped with a radio frequency tag module.
  • the radio frequency reader reads the unique identifier of the radio frequency tag module.
  • the radio frequency reader transmits the unique identifier of the radio frequency tag module to the server through the communication submodule.
  • the server calculates the swim performance of the swimmer according to the unique identifier and the information collection network topology.
  • S106 The server records the swimmer score.
  • the swimmer's score is shown in Figure 4 and includes the following steps:
  • the radio frequency reader in the score inquiry module reads the unique identifier of the radio frequency tag module.
  • S205 The server obtains the current score of the swimmer according to the unique identifier.
  • the server displays the swimmer's current swimming score on the swimming score display for reference by the swimmer.
  • the swim score printer prints the swim score and gives it to the swimmer.
  • the timing system may further configure a radio frequency tag binding module 7, where the radio frequency tag binding module 7 includes a third radio frequency reader and a third communication submodule,
  • the third radio frequency reader is connected to the server through the third communication sub-module, and the binding process is as follows: when the swimmer enters the market, if the swimmer is a member, the member information is directly related to the third radio frequency reader. The identifier of a selected radio frequency tag module is bound; if the swimmer is not a member, the basic information of the swimmer is input and the third The identifier of a selected RF tag module read by the RF reader is bound.

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Abstract

一种基于物联网的游泳场馆运动成绩计时系统及计时方法，包括具有唯一标识符的射频标签模块（1）；安放在泳道两端的信息采集模块（2），每个信息采集模块（2）通过第一射频阅读器从游泳者穿戴的射频标签模块（1）读取唯一标识符；通过第一通信子模块把读到的射频标签模块（1）的唯一标识符传送给服务器（3）；以及成绩查询模块（4）和成绩显示屏（5）。该系统通过在泳道两端设置信息采集模块（2），利用第一射频阅读器获取游泳者穿戴的射频标签模块（1）的标识符，通过服务器（3）统一记录射频标签模块（1）对应的游泳成绩，可以同时记录游泳场馆中所有游泳者的成绩；人均使用成本低，计时精度较高，能够很好地满足室内外各种游泳场馆的计时需求。

Description

基于物联网的游泳场馆运动成绩计时系统及计时方法 技术领域
本发明涉及一种运动计时系统及计时方法，尤其涉及一种基于物联网的游泳场馆运动成绩计时系统及计时方法。
背景技术
随着社会经济的快速发展和人民生活水平的提高，游泳这种适合大众进行的全身型体育运动越来越受到人们的喜爱。游泳爱好者越来越希望能够了解自己的游泳水平，知道自己的游泳成绩，从而更加科学的运动健身。
为了帮助游泳爱好者测试自己的游泳成绩，国内外提出了很多测试游泳成绩的计时系统。现有方法主要为计时腕表、比赛专用计时系统。采用计时腕表的计时系统要求游泳爱好者必须购买专用腕表，单个腕表需要上千元，计时精度差，需要较多的人工干预，用户体验较差。比赛专用计时系统价格昂贵，计时过程复杂，需要专业团队操作，且同时只能记录一个泳道中的一个游泳者的成绩；仅适用于专业游泳比赛场馆。
由上可见，现有的游泳成绩计时系统及计时方法无法满足室内外各种游泳场馆的计时需求，因此，有必要对对现有的游泳场馆运动成绩计时系统及计时方法进行改进。
发明内容
本发明所要解决的技术问题是提供一种基于物联网的游泳场馆运动成绩计时系统及计时方法，不但成本低廉、计时准确，而且可以同时记录游泳场馆中所有游泳者的成绩，能够很好地满足室内外各种游泳场馆的计时需求。
本发明为解决上述技术问题而采用的技术方案是提供一种基于物联网的游泳场馆运动成绩计时系统，包括射频标签模块，所述射频标签模块为穿戴式RFID射频标签，每个RFID射频标签具有唯一标识符；信息采集模块，所述信息采集模块安放在泳道两端，每个信息采集模块包含电气相连的第一射频阅读器和第一通信子模块，所述第一射频阅读器从游泳者穿戴的射频标签模块读取所述唯一标识符；所述第一通信子模块把读到的所述射频标签模块的唯一标识符传送给服务器；服务器，用于存储所有射频标签模块的标识符以及每个射频标签模块对应的游泳成绩；成绩查询模块，用于查询游泳者的游泳成绩，所述成绩查询模块安放于游泳场馆，所述成绩查询模块包含第二射频阅读器和第二通信子模块，所述第二射频阅读器通过所述第二通信子模块与所述服务器相连；成绩显示屏，用于显示游泳成绩，所述成绩显示屏与所述服务器的输出端相连。
上述的基于物联网的游泳场馆运动成绩计时系统，其中，还包括射频标签绑定模块，用于将游泳者和某个选定射频标签模块绑定，所述射频标签绑定模块包含第三射频阅读器和第三通信子模块，所述第三射频阅读器通过所述第三通信子模块与所述服务器相连。
上述的基于物联网的游泳场馆运动成绩计时系统，其中，所述第一射频阅读器、第二射频阅读器和第三射频阅读器均包括微处理器，所述微处理器的电源端和电源模块相连，输出端和蜂鸣器相连，所述微处理器通过SPI接口和RFID射频读卡电路相连，所述RFID射频读卡电路通过EMC滤波电路、匹配电路和天线线圈相连，所述第一射频阅读器经第一通信子模块通过RS485总线和服务器相连，所述第二射频阅读器经第二通信子模块通过 RS485总线和服务器相连，所述第三射频阅读器经第三通信子模块通过RS232总线和服务器相连。
上述的基于物联网的游泳场馆运动成绩计时系统，其中，所述信息采集模块封装在环氧灌封胶内，所述信息采集模块安装在水线下60cm至水线上50cm处，所述天线线圈的品质因素Q值范围为20～30。
上述的基于物联网的游泳场馆运动成绩计时系统，其中，所述射频标签模块为手环式、指套式或脚环式。
本发明为解决上述技术问题还提供一种基于物联网的游泳场馆运动成绩计时方法，其中，包括如下步骤：a)游泳者出发时，通过泳道一端的第一射频阅读器从游泳者穿戴的射频标签模块读取唯一标识符，同时位于该端的第一通信子模块把读到的射频标签模块的唯一标识符传送给服务器；b)所述服务器记录接收时间为该射频标签模块的出发时间；c)游泳者到达泳道尽头，通过泳道另一端的第一射频阅读器从游泳者穿戴的射频标签模块读取唯一标识符，同时位于该端的第一通信子模块把读到的射频标签模块的唯一标识符传送给服务器；d)所述服务器记录接收时间为该射频标签模块的到达时间，所述服务器根据同一射频标签模块最近两次的标识符接收时间间隔记录游泳者的成绩。
上述的基于物联网的游泳场馆运动成绩计时方法，其中，所述第一射频阅读器的输出端和蜂鸣器相连，所述第一射频阅读器读到射频标签模块的标识符后，通过蜂鸣器进行出发提醒。
上述的基于物联网的游泳场馆运动成绩计时方法，其中，当所述服务器在预设时间内多次接收到同一射频标签模块的标识符，自动使用最新的 一次的接收时间作为该射频标签模块的出发时间开始计时，从而剔除无效计时。
上述的基于物联网的游泳场馆运动成绩计时方法，其中，每条泳道的两端分别设有一个第一射频阅读器，当所述服务器从不同泳道两端的第一射频阅读器接收到同一射频标签模块的标识符时，所述服务器自动扣除预设的泳道切换时间后再给出该射频标签模块对应的游泳成绩。
上述的基于物联网的游泳场馆运动成绩计时方法，其中，所述第一射频阅读器的天线线圈的品质因素Q值范围为20～30，当所述服务器在同一时间从不同泳道同一端的第一射频阅读器接收到同一射频标签模块的标识符时，通过比较该射频标签模块的标识符在泳道另一端的接收来源确定该射频标签模块所在的泳道。
上述的基于物联网的游泳场馆运动成绩计时方法，其中，所述计时系统还包括射频标签绑定模块，所述射频标签绑定模块包含第三射频阅读器和第三通信子模块，所述第三射频阅读器通过所述第三通信子模块与所述服务器相连，所述绑定过程如下：游泳者入场时，如果游泳者是会员，直接将该会员信息与所述第三射频阅读器读取的某个选定射频标签模块的标识符相绑定；如果游泳者不是会员，则输入该游泳者的基本信息并与所述第三射频阅读器读取的某个选定射频标签模块的标识符相绑定。
上述的基于物联网的游泳场馆运动成绩计时方法，其中，还包括如下步骤：通过成绩查询模块中的第二射频阅读器读取靠近射频标签模块的标识符；通过第二通信子模块把射频标签模块的标识符传送给服务器；所述服务器返回该射频标签模块对应的游泳成绩，并显示在所述成绩显示屏上。
本发明对比现有技术有如下的有益效果：本发明提供的基于物联网的游泳场馆运动成绩计时系统及计时方法，通过在泳道两端设置信息采集模块，利用第一射频阅读器获取游泳者穿戴的射频标签模块的标识符，通过服务器统一记录射频标签模块对应的游泳成绩，可以同时记录游泳场馆中所有游泳者的成绩；人均使用成本几乎可以忽略不计，大大降低了使用成本，且计时精度可以达到0.01s内，已经达到国际泳联要求的国际比赛计时标准，从而能够很好地满足室内外各种游泳场馆的计时需求。
附图说明
图1为本发明基于物联网的游泳场馆运动成绩计时系统架构示意图；
图2为本发明的信息采集模块安装分布示意图；
图3为本发明的射频阅读器的电路方框示意图；
图4为本发明基于物联网的游泳场馆运动成绩计时控制流程示意图；
图5为本发明基于物联网的游泳场馆运动成绩查询流程示意图。
图中：
1射频标签模块      2信息采集模块   3服务器
4成绩查询模块      5成绩显示屏     6打印机
7射频标签绑定模块  21微处理器      22电源模块
23通信子模块       24蜂鸣器        25RFID射频读卡电路
26天线及其匹配电路
具体实施方式
下面结合附图和实施例对本发明作进一步的描述。
图1为本发明基于物联网的游泳场馆运动成绩计时系统架构示意图。
请参见图1，本发明提供的基于物联网的游泳场馆运动成绩计时系统包括：
射频标签模块1，所述射频标签模块1为穿戴式RFID射频标签，每个RFID射频标签具有唯一标识符。
信息采集模块2，所述信息采集模块2安放在泳道两端，如图2所示；每个信息采集模块2包含第一射频阅读器和第一通信子模块，所述第一射频阅读器从游泳者穿戴的射频标签模块读取唯一标识符；所述第一通信子模块负责把读到的射频标签模块的唯一标识符传送给服务器。
服务器3，用于存储所有射频标签模块1的标识符以及每个射频标签模块对应的游泳成绩。
成绩查询模块4，用于查询游泳者的游泳成绩，所述成绩查询模块4安放于游泳场馆，所述成绩查询模块4包含第二射频阅读器和第二通信子模块，所述第二射频阅读器通过所述第二通信子模块与服务器3相连。
成绩显示屏5，用于显示游泳成绩；成绩显示屏5与服务器3的输出端相连。
打印机6,游泳者归还射频标签模块时，游泳成绩打印机6可打印出游泳成绩，交给游泳者，供游泳爱好者参考。
射频标签绑定模块7,用于把特定射频标签模块和特定游泳者绑定和解绑定。
图3为本发明的射频阅读器的电路方框示意图。
请继续参见图3，本发明提供的基于物联网的游泳场馆运动成绩计时系统，其中，所述第一射频阅读器、第二射频阅读器和第三射频阅读器均包 括微处理器21、通信子模块23、RFID射频读卡电路25和天线及其匹配电路26，所述微处理器21的电源端和电源模块22相连，输出端和蜂鸣器24相连，所述微处理器21通过SPI接口和RFID射频读卡电路25相连，所述RFID射频读卡电路25通过EMC滤波电路、匹配电路和天线线圈相连，所述第一射频阅读器的微处理器的串口端通过RS485总线和第一通信子模块相连，所述第二射频阅读器的微处理器的串口端通过RS485总线和第二通信子模块相连，所述第三射频阅读器经第三通信子模块通过RS232总线和服务器相连。
本发明提供的基于物联网的游泳场馆运动成绩计时系统，成本低廉，相比动辄上千元的腕表和费用昂贵的比赛专用计时系统，人均使用成本几乎可以忽略不计，且计时准确，由于游泳成绩通过计算两次采样时间差获得，系统误差及通信延时都可以忽略不计，因此计时精度可以达到0.01秒，已经达到国际泳联要求的国际比赛要求的计时标准，并且可以同时记录游泳场馆中所有游泳者的成绩，而腕表方案只能记录本人，比赛专用计时系统只能记录一条泳道中的一个游泳者，因此本发明的计时系统适用范围广，可广泛用于室内外及国际泳联定义的标准，非标准游泳场馆的计时。
目前已知的射频标签模块及射频阅读器都没有应用于游泳场馆计时，其已验证的防水性能只能达到IP65级(在户外淋雨)防水标准。为了适应游泳场馆的需求，本发明设计的信息采集模块采用环氧灌封胶技术进行元器件防水处理，所述信息采集模块封装在环氧灌封胶内,使其达到IP68级(长期浸泡在水中)的防水标准。所述信息采集模块安装在水线下60cm至水线上50cm处，针对通常的大众游泳场馆，所述信息采集模块优选安装在自水线下6cm到水线上3cm处。针对未安装国际泳联要求的专用计时器的专业训练 场馆，所述信息采集模块优选安装在自水线下60cm到水线上30cm处。针对于已安装了国际泳联要求的专用计时器的场馆，所述第一射频阅读器会安装在水线上40厘米到50厘米处(因为国际泳联要求专用计时器安装在水线下60cm至水线上30cm处)。
由于游泳爱好者比较习惯于在泳池尽头休息，通常在信息采集模块安放点周围有较多的游泳者，怎样避免众多游泳者佩戴的射频标签模块之间的干扰就变得非常关键。本发明在设计第一射频阅读器时采用适当的射频读卡器天线的尺寸及输出功率来避免众多射频标签模块间的干扰。具体算法如下：射频天线及其匹配电路共有三块：天线线圈，匹配电路和EMC滤波电路。针对普通射频阅读器的设计，通常是在天线的匹配设计中保证产生一个尽可能强的电磁场，以使卡片能够获得足够的能量给自己供电。即对于射频阅读器来说，一般射频信号越强越好，天线线圈的品质因素Q越高越好。本发明则需要保证电磁场的强度稳定在本系统要求的范围内，从而避免附近的射频标签的干扰。控制天线输出功率的因素较多，本发明重点关注控制天线的品质因素Q值，其计算公式如下：
Q＝ω(L/R)
天线的Q值用来评价回路输出效率，L为天线线圈电感，R为天线线圈电阻，ω是外加信号的角频率，Q值越高，其能量输出效率越高，当Q值过高时，其特性会导致通带变窄，副载波频率出的能量幅度太小，甚至在天线的边带以外，从而影响调制信号的发送。本发明为了使天线输出功率在系统要求范围内，采用了低Q值设计，所述天线线圈的品质因素Q值范围为20～30。
针对我国游泳者游泳技术水平相差较大，触壁习惯各不相同，本发明提供了多种射频标签的封装方式以适用于不同运动水平的游泳者的佩戴习惯，如手环式、手掌环式，指套式或脚环式等。各种方式的具体封装使用及特点如下：
封装形式一：手环式。本方式的优点是可以直接利用游泳场馆已经广泛使用的射频标签。不改变用户当前的客户体验。例如：目前，许多游泳场馆的存衣柜已经使用基于物联网原理的锁，其钥匙采用射频标签。本发明可以兼容该种射频标签。游泳者可依据自己的佩戴习惯，直接使用该射频标签作为计时依据。
封装形式二：手掌环式。本方式主要针对于某些喜欢手掌触壁的游泳者，游泳者可将其佩戴在自己习惯的某只手掌上。
封装形式三：指套式。本方式主要针对于某些喜欢指尖触壁的游泳者，游泳者可将其佩戴在自己习惯的某个指头上。
封装方式四：脚环式。本方式主要针对于某些喜欢练习自由泳，仰泳蹬壁转身的游泳者，游泳者可将其佩戴在自己的任意一只脚上，有射频标签的一侧在脚底。
采用上述不同封装形式可以提供灵活多样的佩戴组合方式，具体如下：
方式一：游泳者在任意一只手上佩戴手环式，手掌环式或指套式射频标签。该种方式适用于触壁手固定，并且不采用蹬壁转身技术的游泳爱好者。
方式二：游泳者同时在两只手上佩戴手环式，手掌环式或指套式射频标签。该种方式适用于触壁手不固定，并且不采用蹬壁转身技术的游泳爱 好者。
方式三：游泳者在任意一只手上佩戴手环式，手掌环式或指套式射频标签，并在任意一只脚上佩戴一个脚环。该种方式适用于触壁手固定，并且采用蹬壁转身技术的游泳爱好者。
方式四：游泳者在任意两只手上佩戴手环式，手掌环式或指套式射频标签，并在任意一只脚上佩戴一个脚环。该种方式适用于触壁手不固定，并且采用蹬壁转身技术的游泳爱好者。
本发明还提供一种基于物联网的游泳场馆运动成绩计时方法，包括如下步骤：
a)游泳者出发时，通过泳道一端的第一射频阅读器从游泳者穿戴的射频标签模块读取唯一标识符，同时位于该端的第一通信子模块把读到的射频标签模块的唯一标识符传送给服务器；
b)所述服务器记录接收时间为该射频标签模块的出发时间；
c)游泳者到达泳道尽头，通过泳道另一端的第一射频阅读器从游泳者穿戴的射频标签模块读取唯一标识符，同时位于该端的第一通信子模块把读到的射频标签模块的唯一标识符传送给服务器；
d)所述服务器记录接收时间为该射频标签模块的到达时间，所述服务器根据同一射频标签模块最近两次的标识符接收时间间隔记录游泳者的成绩。
本发明提供的基于物联网的游泳场馆运动成绩计时系统的计时方法，其中，所述第一射频阅读器的输出端和蜂鸣器相连，所述第一射频阅读器读到射频标签模块的标识符后，通过蜂鸣器进行出发提醒。
在使用计时系统时，游泳者常常会在没有准备好的情况下，不小心开始计时。针对这种情况，本发明提供的基于物联网的游泳场馆运动成绩计时系统的计时方法，当所述服务器3在预设时间内(如5～10秒内，具体可以根据实际情况进行在线配置)多次接收到同一射频标签模块的标识符，自动使用最新的一次的接收时间作为该射频标签模块的出发时间开始计时，从而剔除无效计时。
在游泳场馆内，因为游泳者较多，游泳水平相差较大。为了选取最适合自己的泳道，许多游泳爱好者会在游泳的过程中更换泳道。本发明在每条泳道的两端分别设有一个第一射频阅读器，当所述服务器3从不同泳道两端的第一射频阅读器接收到同一射频标签模块的标识符时，所述服务器3自动扣除预设的泳道切换时间后再给出该射频标签模块对应的游泳成绩，从而在游泳者中途更换泳道的情况下，仍然能够精确计时。本发明的天线输出功率采用低Q值设计可以有效防止相邻泳道读取同一射频标签模块引起干扰，此外，本发明还可以进一步通过如下算法防止相邻泳道引起的干扰：当所述服务器3在同一时间从不同泳道同一端的第一射频阅读器接收到同一射频标签模块的标识符时，通过比较该射频标签模块的标识符在泳道另一端的接收来源确定该射频标签模块所在的泳道。
本发明提供的基于物联网的游泳池计时方法，可以方便地同时记录游泳场馆中所有游泳者的成绩，用户体验性好，能够很好地满足室内外各种游泳场馆的计时需求。游泳者成绩的获取及记录过程如图4所示，包括如下步骤：
S101：游泳者进入游泳馆，佩戴装配有射频标签模块的可穿戴设备。
S102：游泳者到达泳道尽头，做出触壁动作。
S103：射频阅读器读取射频标签模块的唯一标识符。
S104：射频阅读器通过通信子模块把射频标签模块的唯一标识符传送给服务器。
S105：服务器根据该唯一标识符和信息采集网络拓扑结构计算出游泳者的游泳成绩。
S106：服务器记录游泳者成绩。
游泳者成绩的查询如图4所示，包括如下步骤：
S201：如果游泳者想知道游泳成绩。
S202：游泳者移动到成绩查询模块。
S203：成绩查询模块中的射频阅读器读取射频标签模块的唯一标识符。
S204：通过通信子模块把射频标签模块的唯一标识符传送给服务器。
S205：服务器根据该唯一标识符，得到游泳者当前成绩。
S206：服务器把游泳者的当前游泳成绩显示在游泳成绩显示屏，供游泳爱好者参考。游泳者归还射频标签模块时，游泳成绩打印机打印出游泳成绩，交给游泳者。
此外，为了更直观地显示管理游泳成绩，所述计时系统还可进一步配置射频标签绑定模块7，所述射频标签绑定模块7包含第三射频阅读器和第三通信子模块，所述第三射频阅读器通过所述第三通信子模块与所述服务器相连，所述绑定过程如下：游泳者入场时，如果游泳者是会员，直接将该会员信息与所述第三射频阅读器读取的某个选定射频标签模块的标识符相绑定；如果游泳者不是会员，则输入该游泳者的基本信息并与所述第三 射频阅读器读取的某个选定射频标签模块的标识符相绑定。
虽然本发明已以较佳实施例揭示如上，然其并非用以限定本发明，任何本领域技术人员，在不脱离本发明的精神和范围内，当可作些许的修改和完善，因此本发明的保护范围当以权利要求书所界定的为准。

Claims (12)

  1. 一种基于物联网的游泳场馆运动成绩计时系统，其特征在于，包括：
    射频标签模块，所述射频标签模块为穿戴式RFID射频标签，每个RFID射频标签具有唯一标识符；
    信息采集模块，所述信息采集模块安放在泳道两端，每个信息采集模块包含电气相连的第一射频阅读器和第一通信子模块，所述第一射频阅读器从游泳者穿戴的射频标签模块读取所述唯一标识符；所述第一通信子模块把读到的所述射频标签模块的唯一标识符传送给服务器；
    服务器，用于存储所有射频标签模块的标识符以及每个射频标签模块对应的游泳成绩；
    成绩查询模块，用于查询游泳者的游泳成绩，所述成绩查询模块安放于游泳场馆，所述成绩查询模块包含第二射频阅读器和第二通信子模块，所述第二射频阅读器通过所述第二通信子模块与所述服务器相连；
    成绩显示屏，用于显示游泳成绩，所述成绩显示屏与所述服务器的输出端相连。
  2. 如权利要求1所述的基于物联网的游泳场馆运动成绩计时系统，其特征在于，还包括射频标签绑定模块，用于将游泳者和某个选定射频标签模块绑定，所述射频标签绑定模块包含第三射频阅读器和第三通信子模块，所述第三射频阅读器通过所述第三通信子模块与所述服务器相连。
  3. 如权利要求2所述的基于物联网的游泳场馆运动成绩计时系统，其特征在于，所述第一射频阅读器、第二射频阅读器和第三射频阅读器均包括微处理器，所述微处理器的电源端和电源模块相连，输出端和蜂鸣器相 连，所述微处理器通过SPI接口和RFID射频读卡电路相连，所述RFID射频读卡电路通过EMC滤波电路、匹配电路和天线线圈相连，所述第一射频阅读器经第一通信子模块通过RS485总线和服务器相连，所述第二射频阅读器经第二通信子模块通过RS485总线和服务器相连，所述第三射频阅读器经第三通信子模块通过RS232总线和服务器相连。
  4. 如权利要求1所述的基于物联网的游泳场馆运动成绩计时系统，其特征在于，所述信息采集模块封装在环氧灌封胶内，所述信息采集模块安装在水线下60cm至水线上50cm处，所述天线线圈的品质因素Q值范围为20～30。
  5. 如权利要求1所述的基于物联网的游泳场馆运动成绩计时系统，其特征在于，所述射频标签模块为手环式、手掌环式、指套式或脚环式。
  6. 一种基于物联网的游泳场馆运动成绩计时方法，其特征在于，采用如权利要求1～5任一项所述的基于物联网的游泳场馆运动成绩计时系统，所述计时方法包括如下步骤：
    a)游泳者出发时，通过泳道一端的第一射频阅读器从游泳者穿戴的射频标签模块读取唯一标识符，同时位于该端的第一通信子模块把读到的射频标签模块的唯一标识符传送给服务器；
    b)所述服务器记录接收时间为该射频标签模块的出发时间；
    c)游泳者到达泳道尽头，通过泳道另一端的第一射频阅读器从游泳者穿戴的射频标签模块读取唯一标识符，同时位于该端的第一通信子模块把读到的射频标签模块的唯一标识符传送给服务器；
    d)所述服务器记录接收时间为该射频标签模块的到达时间，所述服务器根 据同一射频标签模块最近两次的标识符接收时间间隔记录游泳者的成绩。
  7. 如权利要求6所述的基于物联网的游泳场馆运动成绩计时方法，其特征在于，所述第一射频阅读器的输出端和蜂鸣器相连，所述第一射频阅读器读到射频标签模块的标识符后，通过蜂鸣器进行出发提醒。
  8. 如权利要求7所述的基于物联网的游泳场馆运动成绩计时方法，其特征在于，当所述服务器在预设时间内多次接收到同一射频标签模块的标识符，自动使用最新的一次的接收时间作为该射频标签模块的出发时间开始计时，从而剔除无效计时。
  9. 如权利要求6所述的基于物联网的游泳场馆运动成绩计时系统的计时方法，其特征在于，每条泳道的两端分别设有一个第一射频阅读器，当所述服务器从不同泳道两端的第一射频阅读器接收到同一射频标签模块的标识符时，所述服务器自动扣除预设的泳道切换时间后再给出该射频标签模块对应的游泳成绩。
  10. 如权利要求9所述的基于物联网的游泳场馆运动成绩计时方法，其特征在于，所述第一射频阅读器的天线线圈的品质因素Q值范围为20～30，当所述服务器在同一时间从不同泳道同一端的第一射频阅读器接收到同一射频标签模块的标识符时，通过比较该射频标签模块的标识符在泳道另一端的接收来源确定该射频标签模块所在的泳道。
  11. 如权利要求6所述的基于物联网的游泳场馆运动成绩计时方法，其特征在于，所述计时系统还包括射频标签绑定模块，所述射频标签绑定模块包含第三射频阅读器和第三通信子模块，所述第三射频阅读器通过所述第三通信子模块与所述服务器相连，所述绑定过程如下：游泳者入场时， 如果游泳者是会员，直接将该会员信息与所述第三射频阅读器读取的某个选定射频标签模块的标识符相绑定；如果游泳者不是会员，则输入该游泳者的基本信息并与所述第三射频阅读器读取的某个选定射频标签模块的标识符相绑定。
  12. 如权利要求6～11任一项所述的基于物联网的游泳场馆运动成绩计时方法，其特征在于，还包括如下步骤：
    通过成绩查询模块中的第二射频阅读器读取靠近射频标签模块的标识符；
    通过第二通信子模块把射频标签模块的标识符传送给服务器；
    所述服务器返回该射频标签模块对应的游泳成绩，并显示在所述成绩显示屏上。
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