RFID physical training assessment timing lap system,hf RFID

　　RFID physical training assessment timing lap system

　　1. Background and system introduction

　　Physical fitness training and assessment standards are common basic requirements for people of different military branches, and are also important prerequisites for completing their own work. However, for a long time, the difficulty of group training for multi-person training and the tediousness of multi-person assessment have been difficult and long-standing problems.

　　Based on this, the physical training assessment system using RFID technology solves the problem of simultaneous training, assessment timing, lap counting, and counting for multiple people in running subjects such as 20km, 5km, 3000m, 5000m, and 400m obstacle runs. When the sports timing chip tag carried by the training and assessment personnel passes through the timing coil antenna, the timing coil antenna sends the received data signal of the RFID timing chip tag to the timing reader connected to it, and the timing reader records the current time. And the relevant information of the timing chip label, that is, to complete the functions of timing, lap counting, and counting. The results of the competition can be displayed in real time, and the training organizer can view, edit and print the results through the timing system software installed on the computer.

　　2. System content

　　Regular testing and evaluation of human physical health

　　Provide scientific training plan for physical fitness training

　　Intelligent evaluation and evaluation for the effect of human fitness training

　　Provide scientific fitness and exercise prescription for people

　　Establish a database of physical fitness evaluation of the whole body

　　3. System composition and characteristics

　　Background data processing middleware

　　Visual input and display module of competition personnel information

　　Data saving, statistics, export module

　　Data entry, including person's name, gender, age, job number and other information

　　Competition group and competition method, you can set the number of laps in the competition

　　Data saving statistics export function

　　4. System hardware composition and products

　　Sports timing system reader (electronic intelligent timing host)

　　Motion timing chip (electronic label)

　　125K carpet antenna (low frequency cable antenna)

　　Operating system server platform composition (sports timing lap system software)

　　Whenever a person passes the timing coil at the runway with a dual-frequency electronic tag, the 125K low-frequency activation antenna can immediately activate the dual-frequency electronic tag information, and the dual-frequency electronic tag actively sends data to the nearby reader in real time, and the reader will read the data. The received card data is uploaded to the connected computer, and the computer obtains the relevant information of the athlete, records the corresponding moment of passing, and uses special software to process the information. The running start time can be generated by the timing command system and uploaded to the computer background system software. The background system software will correspond the collected start time and card information with the corresponding athlete information, and count the competition situation, so as to realize the purpose of automatic timing of running events.

　　The system lays a set of 125K carpet coil antennas at the end point for the sports timing lap system.

　　When the dual-frequency motion timing chip tag carried by the person passes through the timing carpet antenna, the carpet antenna sends the received response signal of the RFID tag to the read head connected to it, and the read head records the current time and the relevant information of the tag, that is, complete timing function. The results of the competition can be displayed in real time, and the referee or training organizer can view, edit and print the results through the timing system software installed on the computer.

　　5. System advantages

　　High real-time performance: Once the tag in the field is triggered, the data will be uploaded immediately, the software will process the timing information and statistics and save the time ranking information in the database;

　　Strong anti-interference: human body, metal, dust and humidity will not have any impact on the system, and the product robustness has been strictly tested;

　　Convenient installation of equipment: The convenience of installation is fully considered when the product is designed. The integrated reading of 125K low frequency and 2.45G dual frequency achieves precise timing requirements. Do not deploy other equipment. application;

　　No crosstalk event: When high-power microwave devices of the same frequency or different frequencies are used at the same time, the product will flexibly hop frequency to avoid interference sources;

　　Large data capacity: The card reader in the system uses the 2.45G frequency band as the main channel for data flow, and the data communication rate is 2Mbits/S;

　　Simultaneous identification of multiple tags: Each card reader can identify 200 cards in the reader area at the same time, without collision and crosstalk;

　　Strong EMI and EMS capabilities, the card transmit power is one-thousandth of the mobile phone transmit power, green without the danger of electromagnetic wave radiation. No conflict with Bluetooth, 802.11, and wireless local network;

　　Low power consumption and long life: The electronic tag will only send data when it enters the carpet coil triggering area. When it does not enter the carpet coil area or is in the same carpet coil area for a long time, the electronic tag is in a dormant state, which greatly reduces the frequency of electronic tags. The power consumption extends the battery life;

　　6. Introduction of system hardware products

　　Electronic intelligent timing host

　　Adopt dual-frequency technology, low frequency trigger, high frequency data reception, improve timing accuracy and test number

　　The host can store 200,000 pieces of data

　　Support GPS time synchronization, 4G data upload

　　The host can use electronic command to trigger the timing, and the trigger distance is 1000 meters away from the open environment

　　The host supports 5 projects to test at the same time, improving the test efficiency

　　The host comes with a battery to support continuous work for 12 hours

　　The timing chip adopts a low power consumption scheme, and the battery does not need to be replaced within 1 year

　　200km/h high-speed passage can still be accurately measured

　　The Ethernet interface synchronizes time and data transmission

　　Waterproof, pressure-proof, dust-proof, double-lock shell design

　　Timing chip label

　　Recognition distance: adjustable from 0 to 100 meters

　　Recognition speed: 200 km/h

　　Recognition ability: 200 frames per second anti-collision performance

　　Recognition method: omnidirectional recognition

　　Variable gain: 0 to 3 levels can be selected as needed

　　Working frequency: 2.45GHz, 125KHz

　　Communication rate: 250K

　　Communication mechanism: based on HDLC time division multiple access and synchronous communication mechanism

　　Anti-interference: Channel isolation technology, multiple devices do not interfere with each other

　　Security: Encryption calculation and security authentication to prevent link detection

　　Power consumption standard: the average working power is microwatt level

　　Service life: 1.5 years

　　Voltage detection: low voltage can be alerted by wireless or buzzer at the same time

　　Package features: ABS+PC material, resistant to high-strength drop and vibration

　　Environmental characteristics: working temperature -40 ℃ ~ +85 ℃ working humidity <95%

　　Reliability: waterproof and dustproof, meet the requirements of industrial environment

　　Appearance: Binaural square

　　Size: 40×36×12 mm

　　Weight: 12g

　　Installation method: add a strap to wear

　　Timing Carpet/Induction Coil

　　1) The dual-frequency motion timing induction coil needs to be connected to the electronic intelligent timing host to complete the timing function. When the timing induction coil receives the response signal from the dual-frequency timing chip tag, the read head records the current time and tag ID number. The timing induction coil can be used in a variety of environments and is waterproof. It can be used for running, cycling, and snow sports; the carpet is quite durable.

　　2) The carpet coil contains an independent induction loop (125kHz activates the tag to wake up) and a receiving loop (2.45G receives the tag response signal). Sometimes the resonant frequency of the loop is affected by surrounding metal objects (such as reinforced concrete, water pipes, etc.), which affects the reading distance. For this reason, a special automatic tuning circuit is included in the read head to reduce this effect to a minimum.

　　Seven, successful cases

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