RFID in our daily life
RFID (Radio Frequency Identification System) is a non-contact automatic identification system that automatically identifies target objects through radio frequency wireless signals and obtains relevant data. It is composed of electronic tags, readers, and computer networks.
Is it particularly difficult to understand, especially tall and tall, and after repeatedly looking at it several times, I don't know what it really is. In fact, this type of technology is very common in daily life, including healthcare, food, transportation, and so on.
Firstly, at the moment when everyone is born, the biggest thing is to register their household registration, and it is essential to obtain an ID card when they grow up. The current second-generation ID card uses RFID. Why can our ID card be sensed? It is because the RFID chip is embedded in the ID card. After the ID card enters the sensing range of the reader, the chip electronically senses the RF signal emitted by the reader. The chip generates a brief power supply, and then transmits the information inside the chip to the reader. The reader sends the obtained data to the data processing center for decoding.
Secondly, most people use access cards, such as campus cards, community cards, company cards, etc. In fact, each access card also uses RFID, which contains personal information. When the access card comes into contact with the sensor, the sensor transmits the information of the access card to the system for matching. When the information is sensed to exist, the door will be opened.
Have you ever thought about how the system detects and charges when you drive out of the parking space? This is actually an application of RFID technology. By writing information on RFID tags and utilizing radio frequency technology to read tag information without contact, the information is automatically processed.
Now, when we are conducting nucleic acid testing, the staff also applies RFID technology to their code scanning. Whether it is mixed sampling or individual sampling, each test tube has a barcode on top, which records some personal identification information. RFID label detection will encapsulate a label component at the bottom of the test tube, and all identity information is already present on the component before measurement, allowing for low-cost digital sample management in one step.
In the current era, online shopping is a very common thing, followed by the transportation problem of express delivery. It is necessary to achieve accuracy while protecting privacy, therefore, RFID is also essential.
RFID technology is applied to logistics orders, as long as the sender fills in relevant logistics information on the platform provided by the logistics enterprise before mailing the item. When picking up emails, the courier only needs to use a scanning device to scan the RFID logistics bill and mark the delivery as in the picked up status. During the sorting process, if a robot is used for automatic sorting, the robot directly follows the information in RFID for automatic sorting; If it is manual sorting, the sorter uses instruments to scan the information in RFID and sort it based on the information. RFID is also in effect when receiving packages.
Therefore, the application of RFID in daily life is very extensive and common.
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