CN113988233A - System and method for transmitting sensor information by chip-level integrated radio frequency - Google Patents

System and method for transmitting sensor information by chip-level integrated radio frequency Download PDF

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CN113988233A
CN113988233A CN202111261267.2A CN202111261267A CN113988233A CN 113988233 A CN113988233 A CN 113988233A CN 202111261267 A CN202111261267 A CN 202111261267A CN 113988233 A CN113988233 A CN 113988233A
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chip
sensor
rfid
read
radio frequency
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张庆宇
徐浩宇
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Wuhan Huayu Yunchuang Intelligent Technology Co ltd
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Wuhan Huayu Yunchuang Intelligent Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/04—Manufacturing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

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Abstract

The invention discloses a system and a method for transmitting sensor information by chip-level integrated radio frequency, which relate to the technical field of Internet of things and everything interconnection and solve the technical problem that the conventional sensor can only operate by real-time active power supply or the sensor with a battery has a short service cycle; the read-write controller is provided with an RFID antenna and a control unit processor; the read-write controller and the RFID + sensor tag perform data interaction by using the working frequency of the RFID; the invention is based on the data acquisition algorithm of the hardware function, combine RFID technology to carry on the data transmission, use various sensors to carry on the data acquisition, finish the monitoring work; energy is supplied to the sensor through the RFID technology, the sensor is driven to detect, and information is transmitted back to the read-write controller, so that the environment is protected, and the energy is saved.

Description

System and method for transmitting sensor information by chip-level integrated radio frequency
Technical Field
The invention relates to the technical field of Internet of things and everything interconnection, in particular to the technical field of a system and a method for transmitting sensor information by chip-level integrated radio frequency.
Background
RFID (Radio Frequency Identification) is a short-distance wireless communication technology, and is generally combined with a unique Identification code for automatic Identification according to the law of electromagnetic induction, and is one of Identification technologies that the internet of things is widely concerned about; the most basic RFID system comprises tags, a read-write controller and an antenna, wherein each tag consists of a coupling element and a chip, each tag has a unique electronic code and is attached to an object to mark a target object, the tags can be divided into an active tag and a passive tag according to whether a power supply exists or not, for the passive tag, the read-write controller (handheld or fixed) continuously sends out radio waves to form a magnetic field around the tags, the tags receive radio frequency signals sent by the read-write controller after entering the magnetic field, and the tags send out product information stored in the chip by means of energy obtained by induced current; for an active tag, a signal of a certain frequency may be actively transmitted. The read-write controller reads and decodes the information and then sends the information to the background information system for relevant data processing; wherein, the transmission of the radio frequency signal is completed by the antennas of two sides; the working principle is as follows: the read-write controller sends electronic signals through the antenna, the tag sends identification information stored inside after receiving the signals, the read-write controller receives and identifies the information sent back by the tag through the antenna, and finally the read-write controller sends the identification result to the host.
The sensors can be divided into general sensors and intelligent sensors, and information acquired by the general sensors needs to be processed by a computer; the intelligent sensor is provided with a microprocessor, has the capabilities of collecting, processing and exchanging information, and has the characteristics of high data precision, high reliability, high stability, high signal-to-noise ratio, high resolution, strong adaptability, low price performance ratio and the like.
In real life, sensors with various functions are needed, such as a temperature sensor for collecting the ambient temperature, a pressure sensor for collecting the surface pressure of equipment, a gas concentration sensor for collecting the gas concentration, and a liquid sensor for collecting the pH concentration of acid and alkali in liquid, so that some places are not suitable or convenient to be electrified, but various indexes of the places need to be monitored.
Disclosure of Invention
The invention aims to: in order to solve the above technical problems, the present invention provides a system and method for transmitting sensor information by chip-scale integrated radio frequency.
The technical scheme adopted by the invention is as follows: a system for chip-scale integrated radio frequency transmission of sensor information, comprising:
the RFID + sensor tag comprises an IC integrated circuit and a sensing chip which are electrically connected with each other, wherein a sensing feed antenna is arranged on the IC integrated circuit;
the read-write controller is provided with an RFID antenna and a control unit processor;
the read-write controller is connected with the RFID + sensor label through the wireless RFID radio frequency, and data interaction is carried out by using the working frequency of the RFID.
The read-write controller sends out electrical information energy in an information transmitting mode through the RFID antenna, micro-waves are output, the IC integrated circuit generates power supply after receiving micro-electric signals through the sensing feed antenna, and data of the IC integrated circuit are transmitted back to the read-write controller to form a data closed loop.
The read-write controller uses the radio frequency technology of RFID to carry out data communication acquisition, the communication frequency is 860 MHz-915 MHz, and the passive technology is used.
The IC integrated circuit comprises a memory module, a communication loop and a read-write loop, wherein the read-write loop is electrically connected with the memory module and the communication loop respectively, and the communication loop is electrically connected with the sensing chip.
The sensing chip is one or more of a temperature and humidity sensor chip, a pressure sensor chip, a gas concentration sensor chip and a liquid sensor chip.
The RFID + sensor tag is an bud/tag, and the bud/tag is composed of a sensing chip, a sensing chip and a substrate.
A method for transmitting sensor information by chip-level integrated radio frequency comprises the following steps:
step one, a read-write controller sends a signal to an RFID + sensor label through an RFID antenna; the read-write controller generates electric waves and electromagnetic waves to supply power to the RFID + sensor tag in the process of sending signals;
step two: the IC integrated circuit generates current after receiving the micro-electric signal through the sensing feed antenna, the sensing chip is powered on, the sensing chip starts detection, detected data are transmitted to the read-write controller through the IC integrated circuit and the sensing feed antenna, and monitoring work is completed.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention uses various sensors to collect data, combines the RFID technology to transmit data, continuously sends out radio waves through the read-write controller, forms a magnetic field around, receives radio frequency signals sent by the read-write controller after a label enters the magnetic field, starts the sensor to detect by virtue of energy obtained by induced current, stores the detected information in a chip and sends out the information stored in the chip; energy is supplied to the sensor through the RFID technology, the sensor is driven to detect and transmit information back to the read-write controller, the problem that the sensor cannot be used due to power shortage is avoided, special people do not need to care during the use process, and the system is environment-friendly and energy-saving and has great economic and social benefits; the device is not influenced by the environment, and is more flexible to install and stronger in adaptability; the energy-saving detection mode of zero emission and zero energy consumption without the electric sensor can be widely applied.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a block diagram of an IC integrated circuit of the present invention;
labeled as: the system comprises a 1-read-write controller, a 2-RFID antenna, a 3-sensing feed antenna, a 4-sensing chip, a 5-IC integrated circuit, a 51-memory module, a 52-communication loop and a 53-read-write loop.
Detailed Description
In order to make the objects, 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 with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-2, the present embodiment provides a system for transmitting sensor information by chip-scale integrated radio frequency, including:
the RFID + sensor tag comprises an IC integrated circuit 5 and a sensing chip 4 which are electrically connected with each other, wherein a sensing feed antenna 3 is arranged on the IC integrated circuit 5;
the read-write controller 1, the read-write controller 1 is provided with an RFID antenna 2 and a control unit processor;
the read-write controller 1 is connected with the RFID + sensor label through wireless RFID radio frequency.
The working principle of the invention is as follows: the invention uses IC integrated circuit 5 as RFID and sensor label, the label is mainly composed of sensing chip 4, sensing feed antenna 3 and substrate, the sensing chip 4 detects data, the sensing feed antenna 3 receives or outputs data information, the electric wave and electromagnetic wave sent by the RFID antenna 2 provide energy, the sensing feed antenna 3 generates current in the process of receiving information, the energy function in reading and writing drives the sensor to detect, the data detected by the sensor is read out and returned to the reading and writing controller 1 through the IC integrated circuit 5.
Example 2
On the basis of the embodiment 1, the read-write controller 1 sends out electrical information energy and outputs micro-waves by using an information transmission mode through the RFID antenna 2, the IC integrated circuit 5 generates power supply after receiving micro-electrical signals through the sensing feed antenna 3, and returns self data to the read-write controller 1 to form a closed loop.
Example 3
On the basis of the embodiment 1, the read-write controller 1 uses the radio frequency technology of RFID to perform data communication acquisition, and uses a passive technology with a communication frequency of 915 MHz.
Example 4
Based on embodiment 1, the IC integrated circuit 5 includes a memory module 51, a communication circuit 52, and a read/write circuit 53, wherein the read/write circuit 53 is electrically connected to the memory module 51 and the communication circuit 52, respectively, and the communication circuit 52 is electrically connected to the sensor chip 4.
Example 5
On the basis of embodiment 1, the sensor chip 4 is one or more of a temperature and humidity sensor chip, a pressure sensor chip, a gas concentration sensor chip, and a liquid sensor chip.
Example 6
On the basis of the embodiment 1, the RFID + sensor tag is an bud/tag, and the bud/tag is composed of a sensing chip 4, a sensing chip 4 and a substrate.
Application example 1
A method for transmitting sensor information by chip-level integrated radio frequency comprises the following steps:
step one, a read-write controller 1 sends a signal to an RFID + sensor label through an RFID antenna 2; the read-write controller 1 generates electric waves and electromagnetic waves to supply power to the RFID + sensor label in the process of sending signals;
step two: after receiving the micro-electrical signal through the sensing feed antenna 3, the IC integrated circuit 5 generates a current to supply power to the sensing chip 4, the sensing chip 4 is a temperature and humidity sensor, the temperature and humidity sensor starts detection, and transmits detected temperature and humidity data to the read-write controller 1 through the IC integrated circuit 5 and the sensing feed antenna 3, thereby completing temperature and humidity monitoring work.
Application example 2
The system can be applied to high-temperature harmful gas environments such as a chemical raw material mixing workshop, and an operator needs to know the temperature and environmental parameters of the raw material workshop in real time and control the operation of the feeding speed of raw materials, the raw material proportion and the like; the related information can be transmitted in a remote wireless magnetic field mode, and operators can acquire required environmental data without entering a high-risk environment. The application example of the invention has the advantages that the RFID + sensor label is put into the high-risk environment under the condition of not providing a power supply on site, and the reader-writer equipment can remotely acquire related data in the high-risk environment and provide data basis for operators.
Application example 3
The invention can be applied to the medicine production link, and under the production clean environment of more than 1/10000, the clean index parameters of the clean room are collected by the sensor without manual arrival at the site. The application example of the invention has the advantages that under the condition of not providing a power supply on site, the RFID + sensor label of the invention is put into the environment without the site intervention of personnel, and no peripheral line is connected.
Application example 4
The invention can be applied to a sewage treatment field, and the RFID + sensing tag can be put at a corresponding position at a position where personnel can not reach, so as to monitor the water quality and read and collect data by using the RFID special reading and writing equipment. The application example of the invention has the advantages that under the condition that a power supply is not required to be provided on site, any site comprehensive wiring operation is not required to be provided, the RFID + sensor label of the invention is put into the environment without the site intervention of personnel, and the reader-writer equipment of the invention can remotely acquire related data in the environment and can provide real-time monitoring data.
Application example 5
The environmental monitoring department carries out various emission supervision to key pollution type enterprise units, and by means of the non-replicability of the RFID and the characteristics of a global unique code, the functions of the sensor chip are combined to realize real-time flow supervision on the appointed area position, and supervisors can use the handheld PDA to carry out flow real-time supervision on the RFID data. The application example of the invention has the advantages of using the globally unique ID of the RFID and non-replicability. The source tracing can be accurately carried out, and the attribution of the RFID + sensor label in the invention can be confirmed; in addition, under the condition that a power supply is not required to be provided on site, any site comprehensive wiring operation is not required to be provided, the RFID + sensor tag is put into the environment without the site intervention of personnel, and the reader-writer equipment can remotely acquire related data in the environment and provide real-time monitoring data.

Claims (7)

1. A system for transmitting sensor information on a chip scale integrated radio frequency, comprising:
the RFID + sensor tag comprises an IC integrated circuit (5) and a sensing chip (4) which are electrically connected with each other, wherein a sensing feed antenna (3) is arranged on the IC integrated circuit (5);
the reader-writer control device comprises a reader-writer controller (1), wherein an RFID antenna (2) and a control unit processor are arranged on the reader-writer controller (1);
the read-write controller (1) is connected with the RFID + sensor label through wireless RFID radio frequency.
2. The system for transmitting sensor information by chip-scale integrated radio frequency according to claim 1, wherein the read/write controller (1) sends out telecommunication energy and outputs micro-waves by using an information wireless transmission mode through the RFID antenna (2), the IC integrated circuit (5) generates power supply after receiving micro-wave signals through the sensing feed antenna (3), and transmits own data back to the read/write controller (1) to form a data closed loop.
3. The system for transmitting sensor information by chip-level integrated radio frequency according to claim 1, wherein the read-write controller (1) uses RFID radio frequency technology for data communication acquisition, communication frequency of 860 MHz-915 MHz, and passive RFID technology.
4. The system for transmitting sensor information by chip-scale integrated radio frequency according to claim 1, wherein the IC integrated circuit (5) comprises a memory module (51), a communication loop (52), and a read-write loop (53), the read-write loop (53) is electrically connected to the memory module (51) and the communication loop (52), respectively, and the communication loop (52) is electrically connected to the sensing chip (4).
5. The system for chip-scale integrated radio frequency transmission of sensor information according to claim 1, wherein the sensor chip (4) is one or more of a temperature and humidity sensor chip, a pressure sensor chip, a gas concentration sensor chip, and a liquid sensor chip.
6. The system for chip-scale integrated radio frequency transmission of sensor information according to claim 1, wherein the RFID + sensor tag is a bud/tag, and the bud/tag is composed of a sensing chip (4), a sensing chip (4) and a substrate.
7. A method for transmitting sensor information by chip-level integrated radio frequency is characterized by comprising the following steps:
step one, a read-write controller (1) sends a signal to an RFID + sensor label through an RFID antenna (2); the read-write controller (1) generates electric waves and electromagnetic waves to supply power to the RFID + sensor label in the process of sending signals;
step two: after receiving the micro-electric signal through the sensing feed antenna (3), the IC integrated circuit (5) generates current to supply power to the sensing chip (4), the sensing chip (4) starts detection, and detected data are transmitted to the read-write controller (1) through the IC integrated circuit (5) and the sensing feed antenna (3), so that monitoring work is completed.
CN202111261267.2A 2021-10-28 2021-10-28 System and method for transmitting sensor information by chip-level integrated radio frequency Pending CN113988233A (en)

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CN208385624U (en) * 2018-05-30 2019-01-15 嘉兴钛格智能科技有限公司 A kind of RFID anti-metal tag antenna and RFID anti-metal tag
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