CN106503773A - A kind of RFID sensing labels of self-energizing - Google Patents

A kind of RFID sensing labels of self-energizing Download PDF

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Publication number
CN106503773A
CN106503773A CN201610918137.4A CN201610918137A CN106503773A CN 106503773 A CN106503773 A CN 106503773A CN 201610918137 A CN201610918137 A CN 201610918137A CN 106503773 A CN106503773 A CN 106503773A
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China
Prior art keywords
energy
radio
module
rfid sensing
radio frequency
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Pending
Application number
CN201610918137.4A
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Chinese (zh)
Inventor
何怡刚
史露强
罗旗舞
吴裕庭
施天成
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Hefei University of Technology
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Hefei University of Technology
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Publication date
Application filed by Hefei University of Technology filed Critical Hefei University of Technology
Priority to CN201610918137.4A priority Critical patent/CN106503773A/en
Priority to PCT/CN2016/106910 priority patent/WO2018072256A1/en
Publication of CN106503773A publication Critical patent/CN106503773A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
    • G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
    • G06K19/0708—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
    • G06K19/0709—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic the source being an interrogation field
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
    • G06K19/0717—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being capable of sensing environmental conditions such as temperature history or pressure

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A kind of RFID sensing labels of self-energizing, including radio-frequency (RF) energy capture and management module, sensor assembly, MCU module, radio frequency chip and Anneta module；Radio-frequency (RF) energy capture is connected with the energy antenna of catching of Anneta module with management module, obtains energy from reader request signal；Sensor assembly is used for perceiving real time environment information, and is transferred to MCU module；MCU module receives the real time environment information of transmission and is transferred to radio frequency chip；Radio frequency chip is modulated to real time environment information, encryption；Radio frequency chip is connected with the radio-frequency antenna of Anneta module, and real time environment information is radioed to reader by radio-frequency antenna.The present invention can realize that the self-energizing of RFID sensing labels, radio-frequency (RF) energy capture and management module by the energy capture in reader request signal and are collected, and RFID sensing labels are powered.The RFID sensing labels of the self-energizing of the present invention have low in energy consumption, life-span length and information transfer apart from remote the characteristics of.

Description

A kind of RFID sensing labels of self-energizing
Technical field
The present invention relates to wireless communication technology and sensor technical field, are specifically related to a kind of RFID sensings of self-energizing The energy of capture is used for powering to RFID sensing labels by label, it is possible to achieve the energy capture to request signal.
Background technology
Traditional REID（RFID, Radio Frequency Identification Devices）Only have Identification function, the material handling being used in logistic industry and large supermarket.With the development of low-power consumption sensor technology, will pass Sensor is fused to composition RFID sensor label in RFID label tag becomes a kind of development trend.But it is the increase in sensor, RFID The power consumption of label necessarily increased, the energy supply problem of RFID sensor label, become research worker issues that need special attention.
Application No. 201510555660.0, Publication No. 105389611A《Passive RFID sensor label》Invent one Passive RFID sensor label is planted, but passive RFID sensor label signal transmission range is near, can only achieve several meters.Shen Please number be 201110241979.8, Publication No. 102949182A《Hyperfrequency active rfid body temperature sensing label》Invent one Kind active RFID temperature sensor labels, are powered using button cell, but due to the energy content of battery limited, the label life-span compared with Short.
Content of the invention
Problem to be solved by this invention is to overcome the shortcomings of above-mentioned background technology, there is provided a kind of can be with self-energizing RFID sensing labels, the characteristics of the present invention has long distance of signal transmission, data flow capacity big, life-span length.
The present invention solves the technical scheme of its technical problem employing；
A kind of RFID sensing labels of self-energizing, including radio-frequency (RF) energy capture and management module, sensor assembly, MCU module, penetrate Frequency chip and Anneta module；Radio-frequency (RF) energy capture and management module are used for acquisition energy from request signal and give RFID sensing labels Power supply, and unnecessary energy stores are got up；Sensor assembly, MCU module and radio frequency chip are captured with radio-frequency (RF) energy and are managed Reason module is connected, and radio-frequency (RF) energy capture and management module are powered to sensor assembly, MCU module and radio frequency chip simultaneously；Sensing Device module is used for real-time perception environmental information, and by real time environment information transfer to MCU module；MCU module is used for receiving sensing The real time environment information of device module transmission, and it is transmitted to radio frequency chip；Radio frequency chip is used for carrying out real time environment information Modulation, encryption.When in having external command to need to sensor assembly, related sensor parameter is configured or changed, outward Portion's order is sent in MCU module by radio frequency chip, and MCU module is matched somebody with somebody to sensor parameters according to the specific requirement of order Put or change.
Further, the Anneta module is comprising catch can antenna and radio-frequency antenna.
The energy antenna of catching is connected with radio-frequency (RF) energy capture and management module, for the reception of request signal energy.
The radio-frequency antenna is connected with radio frequency chip, the real-time ring after being modulated and encrypted by radio frequency chip for wireless transmit Environment information.
Further, the radio-frequency (RF) energy capture and management module include match circuit, rectification circuit, storage capacitor, DC-DC Voltage pump and LDO voltage stabilizer.Match circuit, rectification circuit, DC-DC voltage pumps and LDO voltage stabilizer are sequentially connected, storage capacitor with DC-DC voltage pumps are connected.
The match circuit is used for adjusting RFID sensing label impedances, makes the impedance of RFID sensing labels and the resistance for catching energy antenna Resist and match.
The energy adjusting for capturing is direct current energy by the rectification circuit.
The storage capacitor is used for storing unnecessary capture energy, when capture energy cannot meet the energy of RFID sensing labels During amount demand, the electric energy in storage capacitor is powered to RFID sensing labels.
The DC-DC voltage pumps be used for by rectification after direct current energy Voltage Cortrol be sensor assembly, MCU module and Radio frequency chip required voltage.
The LDO voltage stabilizer is used for for the voltage that DC-DC voltage pumps are exported carrying out voltage stabilizing process, is sensor assembly, MCU Module and radio frequency chip provide stable electric energy.
Further, the sensor assembly includes temperature sensor, optical sensor and shaking sensor, for real-time perception Environmental information.
The temperature sensor is used for sense temperature information, and temperature information is transferred to MCU module.
The optical sensor is used for perceiving Lighting information, and Lighting information is transferred to MCU module.
The shaking sensor is used for perceiving vibration information, and vibration information is transferred to MCU module.
The RFID sensing labels of the self-energizing of the present invention have low in energy consumption, life-span length, data flow capacity big and information transfer Apart from remote advantage.The present invention can realize that the self-energizing of RFID sensing labels, radio-frequency (RF) energy capture and management module U1 will be read Read the energy capture in device request signal and collect, RFID sensing labels are powered.
Description of the drawings
Fig. 1 is the structural representation of the RFID sensing labels of self-energizing of the present invention；
Structural representations of the Fig. 2 for the Anneta module of the RFID sensing labels of embodiment illustrated in fig. 1 self-energizing；
Radio-frequency (RF) energy capture and the structural representation of management module of the Fig. 3 for the RFID sensing labels of embodiment illustrated in fig. 1 self-energizing Figure；
Structural representations of the Fig. 4 for the sensor assembly of the RFID sensing labels of embodiment illustrated in fig. 1 self-energizing.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1, the RFID sensing labels of the self-energizing of the present invention include radio-frequency (RF) energy capture and management module U1, sensing Device module U2, MCU module U3, radio frequency chip U4 and Anneta module U5.
With reference to Fig. 2, the Anneta module U5 of the RFID sensing labels of the self-energizing of the present invention includes catching energy antenna U51 and radio frequency Antenna U52.
The radio-frequency (RF) energy capture is connected with the energy antenna U51 that catches in Anneta module U5 with management module U1, from reader Energy is obtained in request signal.
The sensor assembly U2, MCU module U3 and radio frequency chip U4 are captured with radio-frequency (RF) energy and management module U1 phase Even, while radio-frequency (RF) energy capture and management module U1 are powered to sensor assembly U2, MCU module U3 and radio frequency chip U4.
The sensor assembly U2 is connected with MCU module U3, and sensor assembly is used for real-time perception environmental information, and will be real When environmental information be transferred to MCU module U3.
MCU module U3 is connected with radio frequency chip U4, and MCU module is used for the real-time ring for receiving sensor assembly U2 transmission Environment information, and be transferred to radio frequency chip U4 be modulated, encryption.
Radio frequency chip U4 is connected with the radio-frequency antenna U52 in Anneta module U5, by the real time environment letter of brewed and encryption Breath radios to external equipment reader by radio-frequency antenna U52.
With reference to Fig. 3, radio-frequency (RF) energy capture and management module U1 of the RFID sensing labels of the self-energizing of the present invention include Match somebody with somebody circuit U11, rectification circuit U12, storage capacitor U13, DC-DC voltage pump U14 and LDO voltage stabilizer U15.Match circuit U11, whole Current circuit U12, DC-DC voltage pump U14 and LDO voltage stabilizer U15 are sequentially connected, storage capacitor U13 and DC-DC voltage pump U14 phases Even.
The match circuit U11 is used for adjusting RFID sensing label impedances, makes the impedance of RFID sensing labels and catches energy antenna The matches impedances of U51.
The energy adjusting for capturing is direct current energy by the rectification circuit U12.
The storage capacitor U13 is used for storing unnecessary captured energy.
DC-DC voltage pumps U14 be used for by rectification after direct current energy Voltage Cortrol be sensor assembly U2, MCU module U3 and radio frequency chip U4 required voltages.
LDO voltage stabilizer U15 is used for for the voltage that DC-DC voltage pumps U14 is exported carrying out voltage stabilizing process, is sensor assembly U2, MCU module U3 and radio frequency chip U4 provide stable electric energy.
With reference to Fig. 4, the sensor assembly U2 of the RFID sensing labels of the self-energizing of the present invention include temperature sensor U21, Humidity sensor U22 and shaking sensor U23.
The temperature sensor U21 is used for sense temperature information, and without loss of generality, temperature sensor in the present invention is adopted LM94021 temperature sensor chips, are connected with MCU module U3 by GPIO mouths.
The optical sensor U22 is used for perceiving Lighting information, and without loss of generality, in the present invention, optical sensor is adopted MAX44009 light sensor chips, by I2C buses are connected with MCU module U3.
The shaking sensor U23 is used for the shock conditions for perceiving RFID sensing labels, without loss of generality, in the present invention Shaking sensor adopts 3-axis acceleration sensor ADXL346 chips, by I2C buses are connected with MCU module U3.
The characteristics of RFID sensing labels of the self-energizing of the present invention have low-power consumption.For reaching the target of the low-power consumption, The present invention uses the MCU of low-power consumption.It is not STM8L151C8 chip of the present invention using ST companies in general manner.Through Actual measurement, the minimum only 29 μ A of MCU chip current drain in the active mode, minimum of current drain in a sleep mode There are 0.4 μ A.
The sensor that the present invention is adopted is for low-power consumption sensor.Without loss of generality, with temperature sensor LM94021 it is Example, its operating current as little as 9 μ A.
Radio frequency chip of the present invention using low-power consumption.Without loss of generality, Monza of the present invention using Impinj companies X-2K RFID radio frequency chips, through actual measurement, its operating current is 200 μ A, sleep current as little as 3 μ A.
The characteristics of RFID sensing labels of the self-energizing of the present invention have life-span length.Because radio-frequency (RF) energy capture and management mould Block obtains radio-frequency (RF) energy from inquiry command, and by unnecessary energy stores in storage capacitor.Restriction without battery life, Can work always in principle.
The RFID sensing labels of the self-energizing of the present invention have information transfer apart from remote the characteristics of because radio-frequency (RF) energy capture There is provided stable energy can to RFID sensor label with management module, while the characteristics of label has low-power consumption again, so Information transfer distance improves a lot compared to common passive RFID tags.

Claims (3)

1. RFID sensing labels of a kind of self-energizing, it is characterised in that including radio-frequency (RF) energy capture and management module, sensor die Block, MCU module, radio frequency chip and Anneta module；
The radio-frequency (RF) energy capture and management module are used for acquisition energy from request signal and power to RFID sensing labels, and will Unnecessary energy stores are got up；
The sensor assembly, MCU module are captured with radio-frequency (RF) energy with radio frequency chip and management module is connected, and radio-frequency (RF) energy is caught Obtain with management module while powering to sensor assembly, MCU module and radio frequency chip；
The sensor assembly is used for real-time perception environmental information, and by real time environment information transfer to MCU module；
The MCU module is used for the real time environment information for receiving sensor assembly transmission, and is transmitted to radio frequency chip；
The radio frequency chip is for being modulated to real time environment information, encryption.
2. RFID sensing labels of self-energizing according to claim 1, it is characterised in that the Anneta module is comprising catching energy Antenna and radio-frequency antenna；
The energy antenna of catching is connected with radio-frequency (RF) energy capture and management module, for the reception of request signal energy；
The radio-frequency antenna is connected with radio frequency chip, the real time environment letter after being modulated and encrypted by radio frequency chip for wireless transmit Breath.
3. RFID sensing labels of self-energizing according to claim 1 and 2, it is characterised in that the radio-frequency (RF) energy capture Include match circuit, rectification circuit, storage capacitor, DC-DC voltage pumps and LDO voltage stabilizer with management module；
The match circuit is used for adjusting RFID sensing label impedances, makes the impedance of RFID sensing labels and the impedance phase for catching energy antenna Coupling；Match circuit, rectification circuit, DC-DC voltage pumps and LDO voltage stabilizer are sequentially connected, storage capacitor and DC-DC voltage pump phases Even；
The energy adjusting for capturing is direct current energy by the rectification circuit；
The storage capacitor is used for storing unnecessary capture energy, and when capturing, energy is weaker, it is impossible to meet RFID sensing labels During energy requirement, the electric energy in storage capacitor is powered to RFID sensing labels；
The DC-DC voltage pumps be used for by rectification after direct current energy Voltage Cortrol be sensor assembly, MCU module and radio frequency Chip required voltage；
The LDO voltage stabilizer is used for for the voltage that DC-DC voltage pumps are exported carrying out voltage stabilizing process, is sensor assembly, MCU module Stable electric energy is provided with radio frequency chip.
CN201610918137.4A 2016-10-21 2016-10-21 A kind of RFID sensing labels of self-energizing Pending CN106503773A (en)

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CN201610918137.4A CN106503773A (en) 2016-10-21 2016-10-21 A kind of RFID sensing labels of self-energizing
PCT/CN2016/106910 WO2018072256A1 (en) 2016-10-21 2016-11-23 Automatic energy harvesting rfid sensor tag

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107192412A (en) * 2017-05-23 2017-09-22 合肥工业大学 Thermal power plant environmental monitoring system based on RFID Yu LoRa technologies
CN108021966A (en) * 2017-12-22 2018-05-11 电子科技大学 Wireless energy collection type GB/T29768 national standard internet labels
CN108107109A (en) * 2017-12-15 2018-06-01 中原工学院 One kind is based on ZnO/SiO2The passive wireless acoustic surface wave ammonia gas sensor of nanostructured
CN109443593A (en) * 2018-10-17 2019-03-08 杭州休普电子技术有限公司 Preparation process of wireless temperature sensor using electromagnetic self-power-taking
CN109559523A (en) * 2018-12-11 2019-04-02 麦格星航（北京）科技有限公司 Passive parking stall monitors terminal, parking lot Added Management device and method
CN109884442A (en) * 2019-04-15 2019-06-14 安庆师范大学 A kind of transformer fault localization method
CN110110838A (en) * 2019-06-24 2019-08-09 电子科技大学中山学院 Intelligent computable radio frequency identification tag
CN110610111A (en) * 2019-09-16 2019-12-24 电子科技大学 Remote passive wireless magnetic field quantity sensing system
CN111812549A (en) * 2020-07-17 2020-10-23 国网山东省电力公司电力科学研究院 Self-energy-taking RFID sensor system for monitoring state of power transformer
CN112679253A (en) * 2020-12-29 2021-04-20 中农新科(苏州)有机循环研究院有限公司 Compost monitoring system based on passive RFID
CN112800786A (en) * 2019-11-13 2021-05-14 浙江悦和科技有限公司 Passive tag and starting method thereof
CN113792563A (en) * 2021-09-24 2021-12-14 河北工业大学 Dual-mode radio frequency identification sensor, system and working method
CN115733522A (en) * 2022-11-18 2023-03-03 大连理工大学 Zero-power-consumption high-gain remote sensing tag based on energy collection
CN110110838B (en) * 2019-06-24 2024-08-27 陕西睿丰芯联信息科技有限公司 Intelligent computable radio frequency identification tag

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110674909A (en) * 2019-09-18 2020-01-10 成都数之联科技有限公司 Electronic tag applied to steel rail storage management
CN110909847A (en) * 2019-10-04 2020-03-24 海王数据信息技术(天津)有限公司 RFID passive chip capable of measuring temperature, working method, temperature measurement label and temperature measurement system
CN113459996B (en) * 2021-07-12 2022-03-25 深钛智能科技(苏州)有限公司 Encrypted radio frequency decoding and pulse LED light testing system
CN113988233A (en) * 2021-10-28 2022-01-28 武汉华宇云创智能技术有限公司 System and method for transmitting sensor information by chip-level integrated radio frequency
CN116528338B (en) * 2023-03-13 2023-10-13 山东领能电子科技有限公司 Energy collection internet of things chip, working method and communication equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453998A (en) * 2013-08-09 2013-12-18 国家电网公司 Self-energy-taking wireless temperature sensor and achieving method thereof
CN205050168U (en) * 2015-09-18 2016-02-24 郑州信工智能化***有限公司 Passive low frequency RFID humiture label

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7446660B2 (en) * 2006-03-22 2008-11-04 Intel Corporation Passive environmental RFID transceiver
CN102412629A (en) * 2010-09-21 2012-04-11 上海科斗电子科技有限公司 Storage type wireless sensor
CN103810521B (en) * 2014-01-27 2017-04-12 中国科学院半导体研究所 Digital baseband processor for passive RFID (radio frequency identification) electronic tag
CN104156757B (en) * 2014-06-25 2017-04-05 赵犁 The passive ultra-high frequency super low-power consumption RFID label chip of embedded temperature sensor
CN204990364U (en) * 2015-07-08 2016-01-20 北京德鑫泉物联网科技股份有限公司 Passive RFID temperature label

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453998A (en) * 2013-08-09 2013-12-18 国家电网公司 Self-energy-taking wireless temperature sensor and achieving method thereof
CN205050168U (en) * 2015-09-18 2016-02-24 郑州信工智能化***有限公司 Passive low frequency RFID humiture label

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CN107192412A (en) * 2017-05-23 2017-09-22 合肥工业大学 Thermal power plant environmental monitoring system based on RFID Yu LoRa technologies
CN108107109A (en) * 2017-12-15 2018-06-01 中原工学院 One kind is based on ZnO/SiO2The passive wireless acoustic surface wave ammonia gas sensor of nanostructured
CN108021966A (en) * 2017-12-22 2018-05-11 电子科技大学 Wireless energy collection type GB/T29768 national standard internet labels
CN109443593A (en) * 2018-10-17 2019-03-08 杭州休普电子技术有限公司 Preparation process of wireless temperature sensor using electromagnetic self-power-taking
CN109559523A (en) * 2018-12-11 2019-04-02 麦格星航（北京）科技有限公司 Passive parking stall monitors terminal, parking lot Added Management device and method
CN109884442B (en) * 2019-04-15 2021-08-31 安庆师范大学 Transformer fault positioning method
CN109884442A (en) * 2019-04-15 2019-06-14 安庆师范大学 A kind of transformer fault localization method
CN110110838A (en) * 2019-06-24 2019-08-09 电子科技大学中山学院 Intelligent computable radio frequency identification tag
CN110110838B (en) * 2019-06-24 2024-08-27 陕西睿丰芯联信息科技有限公司 Intelligent computable radio frequency identification tag
CN110610111A (en) * 2019-09-16 2019-12-24 电子科技大学 Remote passive wireless magnetic field quantity sensing system
CN112800786A (en) * 2019-11-13 2021-05-14 浙江悦和科技有限公司 Passive tag and starting method thereof
CN111812549A (en) * 2020-07-17 2020-10-23 国网山东省电力公司电力科学研究院 Self-energy-taking RFID sensor system for monitoring state of power transformer
CN112679253A (en) * 2020-12-29 2021-04-20 中农新科(苏州)有机循环研究院有限公司 Compost monitoring system based on passive RFID
CN113792563A (en) * 2021-09-24 2021-12-14 河北工业大学 Dual-mode radio frequency identification sensor, system and working method
CN113792563B (en) * 2021-09-24 2024-06-04 河北工业大学 Dual-mode radio frequency identification sensor, system and working method
CN115733522A (en) * 2022-11-18 2023-03-03 大连理工大学 Zero-power-consumption high-gain remote sensing tag based on energy collection

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Application publication date: 20170315