Passive sensor, passive sensor system and working method

A passive sensor and array technology, applied in the field of sensors, can solve problems such as inconvenience and low efficiency, and achieve the effect of increasing security

Inactive Publication Date: 2019-05-14
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] There is no doubt that this method of disassembling the sensor for charging is not only inefficient but also very inconve

Method used

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  • Passive sensor, passive sensor system and working method
  • Passive sensor, passive sensor system and working method
  • Passive sensor, passive sensor system and working method

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Embodiment Construction

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...

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Abstract

The invention relates to the technical field of sensors, in particular to a passive sensor, a passive sensor system and a working method. The passive sensor comprises an antenna module, a first radiofrequency switch array, an impedance matching network, a second radio frequency switch array, a data collection module, an energy collection module, a data transmitting module, an energy storage unit,a singlechip, a protection circuit module and a sensing module. The passive sensor system comprises the passive sensor and a user terminal, and the user terminal is used for sending out a radio frequency signal and performing data communication with the passive sensor. The passive sensor provided by the invention has the advantages that the sensor can autonomously collect radio frequency energy from an environment or a specific radio frequency energy source by virtue of the radio frequency energy collection unit arranged in the sensor, a wired charging module is not required, 'wireless charging' of a human body sensor is realized, steps of disassembling a battery and charging again in the traditional human body sensor are eliminated, and security of the human body sensor is greatly improved.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a passive sensor, a passive sensor system and a working method. Background technique [0002] Modern medical research has applied a lot of biological or human implanted sensors, and most of these sensors are implanted in biological or human body to monitor the physiological characteristics of biological or human body in real time. This has important implications for research in the fields of biomedicine, disease detection, prevention, and diagnosis. [0003] Sensors usually convert biological information into electrical signals (analog electrical signals or digital electrical signals) that are easy to measure and store in a special way, and transmit them to corresponding terminals in the form of wireless communication. Sometimes due to the large amount of data transmitted and the data rate, the energy consumed is relatively large. Existing human body sensors usually have an ind...

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Application Information

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IPC IPC(8): H02J50/20H02J50/80
CPCH02J50/20H02J50/80
Inventor 刘竞升龚世民王晓东
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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