Container liquid height detection system based on radio frequency identification (RFID) technique and working method thereof

A radio frequency identification technology and liquid height technology, applied in the field of container liquid height detection system, can solve the problems of no obstacles, high golden light requirements, slow identification, etc., and achieve low cost, simple deployment, and simple processing algorithm. Effect

Inactive Publication Date: 2017-02-08
NANJING UNIV
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Problems solved by technology

Image-based liquid height detection has high requirements for golden light,

Method used

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  • Container liquid height detection system based on radio frequency identification (RFID) technique and working method thereof
  • Container liquid height detection system based on radio frequency identification (RFID) technique and working method thereof
  • Container liquid height detection system based on radio frequency identification (RFID) technique and working method thereof

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Embodiment Construction

[0029] , system scene

[0030] figure 1 It is a system scene structure diagram, mainly composed of two parts: radio frequency identification module and liquid height identification module. The radio frequency identification system is mainly composed of the following parts: RFID reader, reader antenna, horizontally surrounding the container with RFID tags; the liquid height identification module is mainly composed of the following parts: processing terminal, communication equipment, and interactive terminal. The radio frequency identification module interacts with the liquid level identification module through the communication device. The system can be placed in any position according to the needs. In order to reduce the influence of multipath effect in the wireless transmission process and ensure the stability of the signal, the reader antenna should be kept between 1m and 1.5m from the ground. The container with the RFID tag attached is between 1m and 2m away from the ante...

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Abstract

The invention discloses a container liquid height detection system based on a radio frequency identification (RFID) technique and a working method thereof. The system mainly comprises a nonmetal container adhered with RFID tags in a surrounding manner, an RFID reader, a reader antenna, a processing terminal, an interaction terminal and communication equipment. According to the working method, the RFID reader and the reader antenna are connected, a common container is placed in a space and is adhered with a plurality of the RFID tags in a surrounding manner, the reader reads tag information on the container and simultaneously transmits the tag information to the processing terminal through the communication equipment, the processing terminal processes data acquired by a radio frequency identification module to obtain liquid height of the container and interacts with the interaction terminal through the communication equipment, and a user can detect the liquid height of the container in real time by virtue of the interaction terminal. The system and the method can adapt to complex environments and have the advantages that the operation is simple, the sensing precision is high, the identification speed is high, and the cost is low.

Description

technical field [0001] The invention relates to the technical field of gesture space interaction, in particular to a container liquid height detection system based on radio frequency identification technology and a working method thereof. Background technique [0002] With the development of radio frequency identification and wireless communication technology, new application modes based on radio frequency identification (RFID) technology and depth perception technology have attracted much attention. With the help of non-contact automatic identification capability and wireless signal transmission technology, the RFID system can realize the acquisition of the signal value of the RFID tag, and then cooperate with the different heights of the liquid in the container for the different signal value feedback of multiple tags, and use the algorithm to match the tag signal according to the law value and liquid height, and finally achieve the effect of real-time detection of the liqu...

Claims

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Application Information

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IPC IPC(8): G01F23/22G06K17/00
CPCG01F23/22G06K17/0029
Inventor 谢磊何兵兵张柯岩陆桑璐
Owner NANJING UNIV
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