CN112294270A - Health monitoring system based on RFID technology - Google Patents

Health monitoring system based on RFID technology Download PDF

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Publication number
CN112294270A
CN112294270A CN201910693536.9A CN201910693536A CN112294270A CN 112294270 A CN112294270 A CN 112294270A CN 201910693536 A CN201910693536 A CN 201910693536A CN 112294270 A CN112294270 A CN 112294270A
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China
Prior art keywords
chip
bracelet
uhf
tag
oxygen concentration
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CN201910693536.9A
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Chinese (zh)
Inventor
何赛灵
薛富林
林小康
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Gen Guan Intelligent Technology Hangzhou Co ltd
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Gen Guan Intelligent Technology Hangzhou Co ltd
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Priority to CN201910693536.9A priority Critical patent/CN112294270A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/01Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055Simultaneously evaluating both cardiovascular condition and temperature
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802Sensor mounted on worn items
    • A61B5/681Wristwatch-type devices

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • Optics & Photonics (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

The invention provides a health monitoring system based on an RFID technology and an application method thereof. The RFID tag bracelet consists of a temperature sensor, a heart rate and blood oxygen concentration sensor, an acceleration sensor, a UHF tag chip, an MCU chip, a power supply module, a UHF tag antenna and a wrist strap; the temperature sensor, the heart rate and blood oxygen concentration sensor and the acceleration sensor are connected with the MCU chip and upload detection information to the MCU chip; the MCU chip is connected with the UHF label chip; the UHF tag chip is connected with the UHF tag antenna; the power supply module comprises a magnet, a conductive coil and a battery, and can convert mechanical energy into electric energy to supply power to the system and also can be manually charged; the wrist strap has a band hole and a buckle to facilitate wearing. The system can realize the monitoring functions of temperature, heart rate, blood oxygen concentration and movement of a plurality of targets, and has the advantages of low energy consumption, low cost and long service life.

Description

Health monitoring system based on RFID technology
Technical Field
The invention belongs to the technical field of information monitoring, and particularly relates to a novel system for monitoring temperature, heart rate, blood oxygen concentration and motion based on an RFID technology.
Background
For patient groups in hospitals and student groups in schools, the real-time monitoring on the body temperature, the heart rate, the blood oxygen concentration and the quantity of each person is difficult to carry out, and the individual temperature is acquired in a queue for waiting every time or the clinical thermometers are carried in the system for a long time, so that the system is very inconvenient. Moreover, the traditional glass thermometer is not only fragile, but also inconvenient to use, especially for children or some groups with poor self-consciousness. Some infrared thermometers are also available in the market, and although the detection of the temperature is accelerated, the detection is still in a one-to-one corresponding mode, the real-time detection cannot be realized, and the price is very high. For the collection of the heart rate blood sample concentration, special equipment is also needed for detection, so that the purpose of real-time monitoring is difficult to achieve, and great inconvenience is caused. It is therefore highly desirable to address these problems.
The traditional EPC Gen 2UHF RFID system architecture can realize one-to-many information interaction and has the advantages of low energy consumption and low cost, but the interaction information is single and has no external information monitoring function, so the system architecture is only limited to the application in the aspect of goods management.
The invention combines the sensing function with the advantages of the RFID label technology, realizes the one-to-many information monitoring function, and also combines the self-generating module to realize the passive power supply function. The system can also be used in the field of animal management and aims at health supervision of group animals, because the independent consciousness of animals is poor, the animals are difficult to detect and manage one by one, and the system can be used for reading the animals at one time, so that the individual health information of a target can be obtained, the number of groups can be obtained, and the management is convenient.
Disclosure of Invention
The invention aims to provide a health monitoring system based on an RFID technology, which is characterized in that on the basis of not changing the existing EPC Gen 2UHF RFID system architecture and reader hardware units, a UHF electronic tag chip with a communication interface is combined with the existing sensor technology to realize the monitoring function of partial health data of a target group.
In order to achieve the purpose, the invention provides an RFID tag bracelet, which comprises a temperature sensor chip, a heart rate blood oxygen concentration sensor, an acceleration sensor, a UHF tag chip, an MCU chip, a power supply module, a UHF tag antenna and a wrist strap. The temperature sensor chip, the blood oxygen concentration sensor, the acceleration sensor chip, the UHF tag chip, the MCU chip and the power supply module are integrated on the circuit board, and the UHF tag antenna is integrated on the wrist strap. The MCU is respectively connected with the temperature sensor, the heart rate blood oxygen concentration sensor, the acceleration sensor and the UHF label chip through signal lines so as to realize the acquisition and interaction of information; the UHF chip is connected with the UHF tag antenna; and the power supply module is respectively connected with the temperature sensor chip, the acceleration sensor chip, the UHF chip and the MCU chip for power supply.
Furthermore, the MCU chip is connected with the temperature sensor through a signal line, the temperature sensor converts the temperature signal into an electric signal, and the MCU chip converts the electric signal acquired by the temperature sensor into a digital signal so as to realize acquisition and data processing of the temperature signal.
Further, the MCU chip be connected through the signal line with heart rate blood oxygen concentration sensor, heart rate blood oxygen concentration sensor is with the heart rate signal, and blood oxygen concentration signal turns into the signal of telecommunication and transmits the MCU chip on, the MCU chip is gathered and data ization processing with the signal that receives.
Furthermore, the MCU chip is connected with the acceleration sensor through a signal line, the acceleration sensor chip uploads the motion signal conversion digital signal to the MCU chip, and the MCU chip collects and processes the received signal in a data mode.
Furthermore, the MCU chip is connected with the UHF tag chip through a signal line, and transmits data information of temperature, heart rate, blood oxygen concentration and movement or other data information to the UHF tag chip so as to write information into the UHF tag chip.
Furthermore, the UHF label chip can store data information and can be read and written repeatedly.
Furthermore, the power supply module is arranged on the circuit board and is respectively connected with the temperature sensor, the heart rate blood sample concentration sensor, the acceleration sensor, the MCU chip and the UHF tag chip through power lines for power supply.
Further, power module contain magnet, spring, conductive coil and battery, when receiving the extrusion or when vibrating, magnet will produce and rock for the magnetic flux that receives at near conductive coil changes, according to the electromagnetic induction principle, produces induced-current in the conductive coil, for the bracelet provides the electric energy or charges as stand-by power supply for the battery, can turn into the electric energy with mechanical energy. The module may also manually power it.
Furthermore, the UHF tag chip is connected with the UHF tag antenna, so that information interaction is realized through the UHF tag antenna and the reader antenna, reading of an RFID reader is facilitated, and information output is realized.
Furthermore, the UHF tag antenna is used for sensing a reading signal of the reader and sending out the information of the UHF tag chip in an electromagnetic wave form, so that the information can be conveniently collected by the reader.
Furthermore, the wrist strap is made of flexible materials, is provided with a belt hole and a belt buckle, and can be adjusted in length according to the actual situation of a wearer so as to be convenient to wear. The bracelet inboard is provided with sensor and skin contact point to realize gathering temperature, rhythm of the heart and the blood oxygen concentration information of monitored target.
The utility model provides a health monitoring system based on RFID label bracelet, includes a plurality of RFID label bracelets, and RFID reads the ware, and concrete monitoring step includes:
step 1, wearing the RFID tag bracelet on a monitored target;
step 2, the target object moves to enable a self-generating module in the tag bracelet to generate electric quantity, and the tag bracelet is started;
step 3, the tag bracelet acquires temperature information, heart rate information, blood oxygen concentration information and motion information modulated by respiration and body movement of the monitored target;
and 4, reading the health information of the monitored target from the RFID tag bracelet by the reader.
Further, in the step 4, the RFID reader simultaneously reads the health data information of the monitoring target sent by the plurality of RFID tag bracelets.
Compared with the existing health detection system, the health detection system has the following advantages and technical effects.
The invention can realize the detection of the temperature, the heart rate, the blood oxygen concentration and the movement of a detection target on the basis of the RFID label technology.
2, the invention can realize the function of automatically supplying power to the bracelet, can convert partial mechanical energy of the walking of the human body into electric energy to supply power to each module chip, and gets rid of the inconvenience of manual power supply.
3, the invention has low cost, simple structure, energy saving and environmental protection, and can realize the monitoring function of batch targets especially for the places of group health monitoring and management.
4, the system is applied to the field of health monitoring on the basis of not changing the traditional ultrahigh frequency system architecture and the reader hardware unit, and the application range of the traditional EPC Gen2C1G2 RFID protocol is greatly expanded.
Drawings
FIG. 1 is a schematic structural diagram of an RFID bracelet according to a preferred embodiment of the present invention;
FIG. 2 is a block diagram of a power module of a preferred embodiment of an RFID tag bracelet of the present invention;
FIG. 3 is a schematic diagram of a health detection system based on RFID tag bracelet according to the present invention;
in the figure, 1-circuit board, 2-UHF tag antenna, 3-wrist strap, 4-buckle, 5-hole, 6-sensor and skin contact point, 11-power supply module, 12-temperature, heart rate, blood oxygen concentration and acceleration sensor, 13-MCU chip, 14-UHF tag chip and 15-reader.
Detailed Description
Fig. 1 is a schematic structural diagram of an RFID tag bracelet, as shown in the figure, an RFID tag bracelet includes: 1, a circuit board, 2UHF tag antennas, 3 wrist bands, 4 buckles, 5 holes and 6 contact points of sensors and skin; the whole bracelet structure is made of flexible materials, a circuit board 1 is embedded in the bracelet structure, and a power supply module, a temperature sensor, a heart rate, blood oxygen concentration sensor, an acceleration sensor, an MCU chip and an UHF tag chip are integrated on the circuit board 1; the 2UHF tag antenna is integrated on the 3 wristbands, and the 2UHF tag antenna is connected with the UHF tag chip; 3 a plurality of 5 foraminiferous holes have been beaten to wrist strap structure one end, and the other end is provided with 4 buckles, can realize wearing to various targets through adjusting. 4, the belt buckle is made of metal materials so as to be convenient to reuse; the 6 sensor sets up at the bracelet inboard with skin contact point, with wearing object direct contact.
Fig. 2 is power module structure picture, contain the conductive coil in the power module, magnet, spring and battery, the conductive coil is fixed in on the circuit board, it is inside the bracelet to pass through the spring with magnet near it, through extrusion or vibration, magnet will produce and rock, lead to the magnetic field in the conductive coil to change, produce electromotive force (be electromagnetic induction principle), produce electric current, through rectifier circuit and battery, the temperature, rhythm of the heart blood oxygen concentration, acceleration sensor, the MCU chip, the UHF label chip is connected, for each module chip power supply or for battery charging, the realization is to the power supply function of bracelet.
Fig. 3 is a schematic diagram of a health detection system based on an RFID tag bracelet, including: the system comprises a power supply module 11, a temperature sensor, a heart rate, blood oxygen concentration sensor, an acceleration sensor, a MCU chip 13, a UHF tag chip 14, a UHF tag antenna 2 and a reader 15, wherein the power supply module is connected with the MCU chip; 11 power module, 12 temperature, heart rate blood oxygen concentration and acceleration sensor, 13MCU chips, 14UHF label chip, 2UHF label antenna, 15 read the integration in 1 circuit board. 12 the temperature, heart rate and blood oxygen concentration and acceleration sensors are connected with the MCU chip through signal transmission lines, and convert temperature signals, heart rate signals, blood oxygen concentration signals and motion signals modulated by receptor movement and respiration into electric signals in real time and upload the electric signals to the MCU chip 13; the 13MCU chip is respectively connected with the 12 temperature sensor, the heart rate blood oxygen concentration sensor, the acceleration sensor and the 14UHF label chip through signal transmission lines, collects signals on the temperature sensor, the heart rate blood oxygen concentration sensor and the acceleration sensor in real time, converts all electric signals into digital signals after processing, and writes the digital signals into the 14UHF label chip; the 14UHF tag chip is connected with the 2UHF tag antenna, stores the temperature digital signal received from the 13MCU chip, and prepares to be sent out in the form of electromagnetic wave signals through the 2UHF tag antenna at any time to realize the information interaction with the 15 reader; the 2UHF tag antenna is made of metal materials and integrated on the wristband, so that the function of the tag antenna is realized, and the space of the wristband is saved; the sensor and the skin contact point are made of sensitive materials on the inner side of the bracelet, so that the temperature sensor and the heart rate blood oxygen concentration sensor are more effectively contacted with the skin of the detected target, and data information is accurately acquired.
The wrist strap described in the embodiment example is replaced by an ear tag of the livestock and the like, and can be used for monitoring the physiological health characteristics of the livestock.
The invention relates to a working procedure of a health monitoring system based on RFID technology
Fig. 3 is a schematic diagram of a health detection system of RFID technology. Firstly, wearing a bracelet on a target body; secondly, when the detected target moves, the magnet in the power supply module can shake, and the conductive coil in the power supply module generates electric quantity to supply power to each module chip according to the electromagnetic induction principle. Then, temperature sensor, heart rate blood oxygen concentration sensor, acceleration sensor pass through sensor and skin contact point monitoring target object's temperature, heart rate and blood oxygen concentration information, convert the signal into the electrical signal and export for the MCU chip, and the acceleration sensor chip utilizes inertia principle directly to convert acceleration signal into digital signal and exports for the MCU chip. The MCU chip is used for writing the acquired electric signals into the UHF label chip in a digital signal form after the electric signals are digitized. The UHF label chip stores the received digital signal. And finally, when the UHF chip receives a reading instruction from the reader, the information in the tag is sent to the reader by the UHF tag antenna in the form of electromagnetic waves.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, substitutions, modifications, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be regarded as equivalents and all such changes, substitutions, modifications, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (10)

1. An RFID tag bracelet is characterized by comprising a temperature sensor chip, a heart rate blood oxygen concentration sensor, an acceleration sensor, a UHF tag chip, an MCU chip, a power supply module, a UHF tag antenna and a wrist strap; the temperature sensor chip, the heart rate and blood oxygen concentration sensor, the acceleration sensor, the UHF tag chip, the MCU chip and the power supply module are integrated on the bracelet circuit board, and the UHF tag antenna is integrated on the bracelet; the MCU chip is respectively connected with the temperature sensor, the heart rate and blood oxygen concentration sensor, the acceleration sensor and the UHF label chip so as to realize the acquisition and interaction of information; the UHF chip is connected with the UHF tag antenna; and the power supply module is respectively connected with the temperature sensor chip, the UHF chip and the MCU chip for power supply.
2. The RFID tag bracelet of claim 1, wherein: the MCU chip is connected with the temperature sensor and used for collecting and processing temperature signals.
3. The RFID tag bracelet of claim 1, wherein: the MCU chip is connected with the heart rate blood oxygen concentration sensor and used for collecting and processing blood oxygen concentration signals.
4. The RFID tag bracelet of claim 1, wherein: the MCU chip is connected with the acceleration sensor and used for collecting and processing the motion signals.
5. The RFID tag bracelet of claim 1, wherein: the MCU is connected with the UHF label chip through a signal line so that the MCU chip can write information such as temperature, blood oxygen concentration, motion and the like into the UHF label chip, and the UHF label chip has a repeated read-write function.
6. The RFID tag bracelet of claim 1, wherein: the power supply module contains magnet, conductive coil and battery, can be by electromagnetic induction principle with mechanical energy transformation electric energy, also can charge for the battery through the manual work, for the bracelet power supply.
7. The RFID tag bracelet of claim 1, wherein: the UHF label chip is connected with the UHF label antenna, and chip information is sent out through the UHF label antenna, so that the reading of the RFID reader is facilitated.
8. The RFID tag bracelet of claim 1, wherein: the wrist strap be flexible material, contain foraminiferous and buckle to in the dress, the bracelet inboard is provided with sensor and skin contact point, can be replaced by other fixed knot structure.
9. The utility model provides a health monitoring system based on RFID label bracelet, includes RFID reader, a plurality of RFID label bracelets, its characterized in that, the monitoring step includes:
step 1, wearing the RFID tag bracelet on a monitored target;
step 2, the target object moves to enable a self-generating module in the tag bracelet to generate electric quantity, and the tag bracelet is started;
step 3, the tag bracelet acquires temperature information, heart rate information, blood oxygen concentration information and motion information modulated by respiration and body movement of the monitored target;
and 4, reading the health information of the monitored target from the RFID tag bracelet by the RFID reader.
10. The health monitoring system based on RFID tag bracelet of claim 9, wherein in the step 4, the RFID reader simultaneously reads the health data information of the monitoring target sent by a plurality of RFID tag bracelets.
CN201910693536.9A 2019-07-30 2019-07-30 Health monitoring system based on RFID technology Pending CN112294270A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113080916A (en) * 2021-03-03 2021-07-09 浙江东方职业技术学院 Portable heart rate monitoring and step counting device and method
CN113311945A (en) * 2021-06-28 2021-08-27 广州外国语学校 Flexible wearing and remote sensing device, method and system for campus health monitoring management

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CN113311945A (en) * 2021-06-28 2021-08-27 广州外国语学校 Flexible wearing and remote sensing device, method and system for campus health monitoring management

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