CN111612116A - Ultrahigh frequency RFID electronic tag, reading and writing device, cloud and cloud management system - Google Patents
Ultrahigh frequency RFID electronic tag, reading and writing device, cloud and cloud management system Download PDFInfo
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- 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
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
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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 provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—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 provisions for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- 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
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07758—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
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Abstract
The application provides a hyperfrequency RFID electronic tags, readwrite device, high in the clouds and cloud management system. The method comprises the steps that ultrahigh frequency RFID electronic tags attached to different fixed assets are coded according to a preset coding rule to form tag information containing management information corresponding to the fixed assets; the ultrahigh frequency RFID read-write device is used for transmitting an ultrahigh frequency signal, receiving the ultrahigh frequency signal reflected by the ultrahigh frequency RFID electronic tag, demodulating to obtain tag information corresponding to the ultrahigh frequency RFID electronic tag and containing management information corresponding to the fixed asset, sending the tag information to a cloud end for fixed asset management, acquiring the tag information, and decoding through the preset encoding rule to obtain management information contained in the tag information for management. The method and the device can remotely master the state of the fixed assets in real time, improve asset management and inventory efficiency, reduce wiring difficulty and cost of the ultrahigh frequency RFID reader-writer, and enhance environmental adaptability.
Description
Technical Field
The application relates to the technical field of radio frequency identification reading and writing, in particular to an ultrahigh frequency RFID electronic tag, a reading and writing device, a cloud and a cloud management system.
Background
With the development of science and technology, scientific research units, enterprises and the like have more and more devices to be managed, and the management of the devices or other fixed assets is more and more burdened. For example, a manufacturing enterprise usually has more production devices or office devices, and needs to check whether the devices are moved or are absent frequently, and the counting of the multiple devices one by one is time-consuming and labor-consuming. If the enterprise has branch companies in several provinces, the unified management of the equipment is difficult, and the information lag is obvious. And if a plurality of devices in the building are arranged on different floors, counting one by one needs to run to different floors.
At present, when goods or fixed assets are checked, a two-dimensional code recognition technology is generally adopted, and a handheld code scanning gun is used for scanning and checking each goods or fixed assets, but the mode is low in efficiency, a tag identification code is easy to maliciously obtain, the safety is poor, and the tag identification code is easy to be polluted and damaged. In addition, the tag data is obtained through an ultrahigh frequency RFID reader-writer, but the tag data is often returned in the form of a USB serial port line or a network cable in the mode, the rewiring cannot be carried out due to environmental restrictions or the wiring is complex and high in cost, and the data is stored in one local computer, so that the remote management is difficult and the reliability of the data is low.
Therefore, there is a need for an efficient and automated solution for inventorying fixed assets and for remotely transmitting and managing data.
Disclosure of Invention
In view of the above drawbacks of the prior art, the technical problem to be solved in the present application is to provide an ultrahigh frequency RFID tag, a read/write device, a cloud and a cloud management system, which are used to solve the problems of low efficiency, difficulty in remote data management, and the like in the process of checking fixed assets by using ultrahigh equipment radio frequency in the prior art.
To achieve the above and other related objects, the present application provides an uhf RFID tag attached to one or more fixed assets, the uhf RFID tag comprising: the memory is used for storing the management information of the attached fixed assets and the tag identification codes which are formed by coding according to the preset coding rule and contain the management information; and the antenna unit is used for transmitting the ultrahigh frequency signal with the ultrahigh frequency RFID reader-writer so as to carry out wireless communication.
In an embodiment of the present application, the operating frequency of the ultra-high frequency RFID tag is ultra-high frequency, and the tag identification code is a unique electronic code or serial number corresponding to each fixed asset.
To achieve the above and other related objects, the present application provides an ultrahigh frequency RFID reader, comprising: the system comprises an ultrahigh frequency RFID transceiving module, a microcontroller module and a communication module; the ultrahigh frequency RFID transceiving module is used for transmitting an ultrahigh frequency signal according to the control instruction of the microcontroller module and receiving the ultrahigh frequency signal reflected by ultrahigh frequency RFID electronic tags for identifying different fixed assets; the microcontroller module is in communication connection with the ultrahigh frequency RFID transceiving module and is used for generating a control instruction, sending the control instruction to the ultrahigh frequency RFID transceiving module to enable the ultrahigh frequency RFID transceiving module to emit a radio frequency signal, receiving an ultrahigh frequency signal reflected by the ultrahigh frequency RFID electronic tag, demodulating the ultrahigh frequency signal to obtain a tag identification code which is formed according to a preset coding rule and contains the management information corresponding to the fixed asset, and sending the tag identification code to a cloud end; the mobile communication module is in communication connection with the microcontroller module and is used for sending the tag identification code to a cloud end so that the cloud end can decode the management information contained in the tag identification code according to a preset encoding rule.
In an embodiment of the application, the microcontroller module automatically generates and sends the control command to the ultrahigh frequency RFID transceiver module according to a preset fixed period; or manually enabling the microcontroller module to generate and send the control command to the ultrahigh frequency RFID transceiver module.
In an embodiment of the present application, the uhf RFID transceiver module includes: the frequency synthesis circuit, the radio frequency power amplifier circuit, the antenna switching circuit, the low noise amplifier circuit, the down-mixing circuit, the intermediate frequency amplifier circuit and the intermediate frequency filter shaping circuit.
In an embodiment of the present application, the mobile communication module includes: a four-frequency GSM communication unit or a four-frequency GPRS communication unit, an antenna unit, a DCDC power supply circuit and a SIM card seat circuit.
In an embodiment of the present application, the uhf RFID reader further includes: the power management module is used for supplying power to each module; and the LED indicator lamp module is in communication connection with the microcontroller module and is used for indicating the running states of the ultrahigh frequency RFID transceiver module, the microcontroller module and the communication module.
To achieve the above and other related objects, the present application provides a cloud for fixed asset management, the cloud comprising: the communicator is used for being in communication connection with the ultrahigh frequency RFID read-write device so as to obtain a tag identification code which is formed by encoding according to a preset encoding rule and contains the management information; the processor is used for coding a formed label identification code containing the management information corresponding to the fixed asset according to a preset coding rule so as to write or modify the management information corresponding to the label identification code; and forming visual data in a form of a report or a graph according to the management information; a memory for storing the management information.
To achieve the above and other related objects, the present application provides a system for fixed asset cloud management based on ultra high frequency RFID, the system comprising: one or more UHF RFID tags as described above, each attached to a different fixed asset; each ultrahigh frequency RFID electronic tag is coded according to a preset coding rule to form tag information containing management information corresponding to the fixed asset; the ultrahigh frequency RFID reading and writing device is configured to transmit an ultrahigh frequency signal, receive an ultrahigh frequency signal reflected by the ultrahigh frequency RFID electronic tag, obtain, through demodulation, tag information corresponding to the ultrahigh frequency RFID electronic tag and including management information corresponding to the fixed asset, and send the tag information to a cloud; the cloud for fixed asset management is configured to obtain the tag information, and decode the tag information according to the preset encoding rule to obtain management information corresponding to the fixed asset, which is included in the tag information, for management.
In an embodiment of the present application, the management information includes: fixed asset name, fixed asset model, fixed asset geographic location, fixed asset job number, delivery information, buyer, fixed asset price, time of purchase, age, maintenance record, user information, and in-use case any one or more of the combinations.
As described above, the application provides an ultrahigh frequency RFID electronic tag, a read-write device, a cloud and a cloud management system.
The following beneficial effects are achieved:
the state of the fixed assets can be remotely mastered in real time, asset management and inventory efficiency are improved, wiring difficulty and cost of the ultrahigh frequency RFID reader-writer are reduced, and environmental adaptability is enhanced.
Drawings
Fig. 1 is a scene schematic diagram of a fixed asset cloud management system based on an ultra high frequency RFID in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an uhf RFID tag in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an uhf RFID reader in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a cloud for fixed asset management according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of an uhf RFID-based fixed asset cloud management system in an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, and the type, number and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The ultrahigh Frequency RFID (radio Frequency identification) system has the advantages of long reading distance, high communication speed, low cost, small size, strong penetrability, diversified shapes, strong pollution resistance, reusability, batch processing, high reliability and service life, large data memory capacity, encryption and the like, and is a non-contact automatic identification technology for identifying a target and acquiring target data by utilizing radio Frequency signal space coupling (coupling means the phenomenon that the input and the output of two or more circuit elements or an electric network and the like are closely matched and mutually influenced and energy is transmitted from one side to the other side through interaction). In addition, the ultrahigh frequency RFID (international standard ISO18000-6C stipulates 860-960MHz working frequency band) has shorter working wavelength relative to high frequency 13.56MHz and low frequency 125KHz, the antenna size is small and flexible, and the application is flexible, so that the ultrahigh frequency passive tag and the reader-writer become the key direction of the development of the field of Internet of things in recent years, and are also the main technology on which the application is based.
Fig. 1 is a schematic view showing a scenario of an uhf RFID-based fixed asset cloud management system in an embodiment of the present application. As shown, in this scenario includes: the system comprises an ultrahigh frequency RFID electronic tag 101, an ultrahigh frequency RFID read-write device 102 and a cloud 103 for fixed asset management.
In fig. 1, the fixed assets are exemplified by: common office equipment such as calculators, servers and central controllers.
An ultrahigh frequency RFID tag 101 is attached to each of the fixed assets, and the ultrahigh frequency RFID tag is attached to each of the fixed assets in a manner of being pasted or suspended. The ultrahigh frequency RFID tag 101 stores management information of attached fixed assets and a tag identification code containing the management information, which is encoded according to a preset encoding rule.
The ultrahigh frequency RFID reader 102 transmits an ultrahigh frequency signal and receives an ultrahigh frequency signal reflected by the ultrahigh frequency RFID tags 101 for identifying different fixed assets, thereby realizing wireless communication with the ultrahigh frequency RFID tags 101 on the fixed assets. And obtaining a tag identification code which is formed by encoding according to a preset encoding rule and contains the management information corresponding to the fixed asset through demodulation.
The cloud end 103 is used for fixed asset management, and a tag identification code which is formed according to a preset coding rule and contains the management information corresponding to the fixed asset is used for writing or modifying the management information corresponding to the tag identification code; and forming visual data in a report form or a graphic form according to the management information.
In the above scenario, the uhf RFID reader 102 may be configured to automatically generate and send the control command according to a fixed period to transmit an uhf signal to the uhf RFID tag 101, and automatically demodulate a tag identification code after receiving the reflected uhf signal and upload the tag identification code to the cloud 103 for fixed asset management, and then decode the tag identification code by the cloud 103 for fixed asset management to obtain management information included in the tag identification code, thereby implementing unattended asset information management.
For example, setting that fixed assets are automatically checked at 7 pm every day, and at 7 pm every day, the ultrahigh frequency RFID read-write device 102 automatically transmits an ultrahigh frequency signal to obtain a tag identification code corresponding to the ultrahigh frequency RFID electronic tag 101; or, the cloud 103 managed by the fixed asset sends a control instruction to the uhf RFID reader 102 at 7 pm every day, so that the uhf RFID reader 102 automatically transmits an uhf signal.
Generally, an electronic tag is also called as a radio frequency tag, a transponder and a data carrier, and spatial (contactless) coupling of radio frequency signals is realized between the electronic tag and a reader through a coupling element; and in the coupling channel, energy transfer and data exchange are realized according to a time sequence relation.
Fig. 2 shows a schematic structural diagram of an uhf RFID tag in an embodiment of the present application. As shown, the uhf RFID tag 200 is attached to one or more fixed assets, the uhf RFID tag 200 comprising:
the memory 201 is used for storing the management information of the attached fixed asset and the tag identification code which is formed by encoding according to the preset encoding rule and contains the management information.
In this embodiment, the attaching manner of the uhf RFID tag 200 to one or more fixed assets includes, but is not limited to, pasting, hanging, slot fixing, screw fixing, and the like.
In this embodiment, the preset encoding rule is converted into a regular encoding image or sequence combination according to some common management information of the fixed asset, which greatly increases the security of the management information.
In this embodiment, the management information includes: fixed asset name, fixed asset model, fixed asset geographic location, fixed asset job number, delivery information, buyer, fixed asset price, time of purchase, age, maintenance record, user information, and in-use case any one or more of the combinations.
In an embodiment of the present application, the operating frequency of the ultra-high frequency RFID tag is ultra-high frequency (300MHz to 3000MHz), and the tag identification code is a unique electronic code or serial number corresponding to each fixed asset.
In this embodiment, each of the uhf RFID tags has a unique electronic code, and a high-capacity RFID tag has a storage space that can be written by a user, and is attached to an object to identify a target object.
Specifically, the tag identification code is a unique electronic code or serial number corresponding to each fixed asset.
And the antenna unit 202 is used for transmitting the ultrahigh frequency signal to the ultrahigh frequency RFID reader-writer for wireless communication.
In this embodiment, the antenna unit 202 has no power supply, so that it can only be excited by the rf signal transmitted by the uhf RFID reader or the reader, and cannot actively transmit the rf signal.
Fig. 3 is a schematic structural diagram of an uhf RFID reader in an embodiment of the present application. As shown, the uhf RFID reader 300 includes: an ultrahigh frequency RFID transceiver module 301, a microcontroller module 302, and a communication module 303.
In an embodiment of the present application, the uhf RFID transceiver module 301 is configured to transmit an uhf signal according to a control command of the microcontroller module 302 and receive an uhf signal reflected by the uhf RFID tag 200 shown in fig. 2 for identifying different fixed assets.
The uhf RFID transceiver module 301 includes: the frequency synthesis circuit, the radio frequency power amplifier circuit, the antenna switching circuit, the low noise amplifier circuit, the down-mixing circuit, the intermediate frequency amplifier circuit and the intermediate frequency filter shaping circuit.
In this embodiment, each circuit in the uhf RFID transceiver module 301 is mainly used for processing rf signals. Such as a radio frequency power amplifier (power amplifier), which is called "power amplifier" for short, and important components of various wireless transmitters. The main technical indicators of the rf power amplifier are output power and efficiency. In addition, the harmonic components in the output should be as small as possible to avoid interference with other channels. In the front stage circuit of the transmitter, the radio frequency signal power generated by the modulation oscillation circuit is very small, and the radio frequency signal can be fed to an antenna to be radiated after sufficient radio frequency power is obtained through a series of amplifying-buffering stages, middle amplifying stages and final power amplifiers. In order to obtain a sufficiently large radio frequency output power, a radio frequency power amplifier must be employed.
In this embodiment, the antenna switching circuit is used for transmitting a radio frequency signal (uhf signal) to the uhf RFID tag 200 shown in fig. 2 for wireless communication, and can read or write a tag identification code and memory data.
In an embodiment of the application, the microcontroller module 302 is communicatively connected to the uhf RFID transceiver module 301, and is configured to generate a control command and send the control command to the uhf RFID transceiver module 301 to enable the uhf RFID transceiver module 301 to transmit a radio frequency signal, and demodulate the control command after receiving an uhf signal reflected by the uhf RFID tag 200 as shown in fig. 2 to obtain a tag identification code containing the management information corresponding to the fixed asset and encoded according to a preset encoding rule, so as to send the tag identification code to the cloud.
The microcontroller module 302 automatically generates and sends the control command to the ultrahigh frequency RFID transceiver module 301 according to a preset fixed period; or, manually enabling the microcontroller module 302 to generate and send the control command to the uhf RFID transceiver module 301.
Specifically, after the reflected uhf signal is obtained, it is necessary to demodulate the signal to obtain the tag identification code.
In this embodiment, the preset fixed period may be once a day, or once a week, etc.
In an embodiment of the application, the mobile communication module 303 is communicatively connected to the microcontroller module 302, and configured to send the tag identification code to a cloud, so that the cloud decodes the management information according to a preset encoding rule.
In this embodiment, the microcontroller module 302 may be an ARM with high performance, low cost and low power consumption, and controls each module of the uhf RFID reader to operate, and the microcontroller module implements a communication interface protocol of a cloud platform
In this embodiment, the microcontroller module 302 may be a Micro Control Unit (MCU), a Single Chip Microcomputer (Single Chip Microcomputer), a Single Chip Microcomputer (scm), or a Single-core microprocessor or a multi-core microprocessor. The microcontroller module 302 may also be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
The mobile communication module 303 includes: a four-frequency GSM communication unit or a four-frequency GPRS communication unit, an antenna unit, a DCDC power supply circuit and a SIM card seat circuit.
It should be noted that the present application is not limited to the four-frequency GSM communication unit or the four-frequency GPRS communication unit, and may also include, for example, a WIFI communication unit, a 4G communication unit, and the like.
In this embodiment, the micro controller module 302 can control the operation of the mobile communication module and wirelessly transmit data through AT commands (3GPP TS 27.007,27.005 and SIMCOM add AT command set).
In an embodiment of the present application, the uhf RFID reader 300 further includes: the power management module is used for supplying power to each module; and the LED indicator lamp module is in communication connection with the microcontroller module and is used for indicating the running states of the ultrahigh frequency RFID transceiver module, the microcontroller module and the communication module.
For example, the LED indicator light module indicates the operation status of the uhf RFID transceiver module according to the control command sent by the microcontroller module 302 to the uhf RFID transceiver module 301.
In this embodiment, the uhf RFID reader 300 is stationary. Of course, the uhf RFID reader 300 may also be mobile handheld.
When the uhf RFID reader 300 is a mobile handheld type, the microcontroller module 302 may also encode and decode the tag identification code according to a preset encoding rule, so as to obtain the management information contained therein, and add or modify the management information. And the management information of the fixed assets can be checked or modified manually on site.
For example, if a fixed asset on site is damaged, the management information needs to be updated on site in time, so that the state of the fixed asset can be remotely mastered in real time, and the asset management and inventory efficiency is improved.
Fig. 4 is a schematic structural diagram of a cloud for fixed asset management according to an embodiment of the present application. As shown, the cloud 400 includes:
the communicator 401 is configured to communicate with the uhf RFID reader 300 shown in fig. 3, so as to obtain the tag identification code containing the management information encoded according to the preset encoding rule. The specific communication mode corresponds to the mobile communication module 303 of the uhf RFID reader 300 shown in fig. 3.
In this embodiment, the communicator 401 is configured to implement communication connection between other devices (e.g., a client, a controller, a read-write library, and a read-only library). Which may contain one or more sets of modules for different communication means. The communication connection may be one or more wired/wireless communication means and combinations thereof. The communication method comprises the following steps: any one or more of the internet, CAN, intranet, Wide Area Network (WAN), Local Area Network (LAN), wireless network, Digital Subscriber Line (DSL) network, frame relay network, Asynchronous Transfer Mode (ATM) network, Virtual Private Network (VPN), and/or any other suitable communication network. For example: any one or a plurality of combinations of WIFI, Bluetooth, NFC, GPRS, GSM and Ethernet.
A processor 402, configured to encode a tag identification code formed according to a preset encoding rule and including the management information corresponding to the fixed asset, so as to write or modify the management information corresponding to the tag identification code; and forming visual data in a report form or a graphic form according to the management information.
In this embodiment, the processor 402 decodes the tag identification code according to a predetermined encoding rule to obtain the management information including the corresponding fixed asset in a period.
In this embodiment, according to the management information, visual data in a report form or a graphic form may be automatically generated, so as to visually and conveniently understand the inventory condition of the fixed asset, thereby improving the asset management efficiency.
In this embodiment, the Processor 402 may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware components.
A memory 403 for storing the management information.
In this embodiment, the memory 403 stores the management information for each inventory and stores the management information according to the classification of the data acquired each time.
In this embodiment, the memory 403 may include a Random Access Memory (RAM), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.
In this embodiment, the cloud 400 for fixed asset management is preferably built in a constant temperature and humidity environment, and is kept in a power-on operation state for 24 hours.
Fig. 5 is a schematic structural diagram of an uhf RFID-based fixed asset cloud management system according to an embodiment of the present application. As shown, the system 500 includes:
one or more uhf RFID tags 501, shown in fig. 2, are attached to different fixed assets, respectively; each of the uhf RFID tags 501 is encoded according to a preset encoding rule to form tag information including management information corresponding to the fixed asset.
The uhf RFID reader 502 shown in fig. 3 is configured to transmit an uhf signal, receive an uhf signal reflected by the uhf RFID tag 501, obtain tag information corresponding to the uhf RFID tag 501 and including management information corresponding to the fixed asset by demodulation, and send the tag information to the cloud 504;
as shown in fig. 4, the cloud 503 is configured to obtain the tag information, and decode the tag information according to the preset encoding rule to obtain the management information corresponding to the fixed asset, which is included in the tag information, for management.
In the embodiment, the uhf RFID tag 501, the uhf RFID reader 502, and the cloud 503 for fixed asset management form an uhf RFID-based fixed asset cloud management system 500, and the application scenario thereof can refer to the scenario diagram shown in fig. 1.
To sum up, the application provides an ultrahigh frequency RFID electronic tags, readwrite device, high in the clouds and cloud management system. The method comprises the steps that through one or more ultrahigh frequency RFID electronic tags attached to different fixed assets, each ultrahigh frequency RFID electronic tag is coded according to a preset coding rule to form tag information containing management information corresponding to the fixed assets; the ultrahigh frequency RFID read-write device is used for transmitting an ultrahigh frequency signal, receiving the ultrahigh frequency signal reflected by the ultrahigh frequency RFID electronic tag, demodulating to obtain tag information which corresponds to the ultrahigh frequency RFID electronic tag and contains management information corresponding to the fixed asset, and sending the tag information to the cloud; and the cloud end is used for acquiring the tag information, decoding the tag information through the preset coding rule to acquire the management information corresponding to the fixed asset, which is contained in the tag information, so as to manage the tag information.
The application effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (10)
1. An ultra high frequency RFID tag attached to one or more fixed assets, comprising:
the memory is used for storing the management information of the attached fixed assets and the tag identification codes which are formed by coding according to the preset coding rule and contain the management information;
and the antenna unit is used for transmitting the ultrahigh frequency signal with the ultrahigh frequency RFID reader-writer so as to carry out wireless communication.
2. The uhf RFID tag of claim 1, wherein the uhf RFID tag operating frequency is uhf and the tag identification code is a unique electronic code or serial number corresponding to each fixed asset.
3. An ultrahigh frequency RFID read-write device, characterized in that, the ultrahigh frequency RFID read-write device includes: the system comprises an ultrahigh frequency RFID transceiving module, a microcontroller module and a communication module;
the ultrahigh frequency RFID transceiving module is used for transmitting an ultrahigh frequency signal according to the control instruction of the microcontroller module and receiving the ultrahigh frequency signal reflected by ultrahigh frequency RFID electronic tags for identifying different fixed assets;
the microcontroller module is in communication connection with the ultrahigh frequency RFID transceiving module and is used for generating a control instruction, sending the control instruction to the ultrahigh frequency RFID transceiving module to enable the ultrahigh frequency RFID transceiving module to emit a radio frequency signal, receiving an ultrahigh frequency signal reflected by the ultrahigh frequency RFID electronic tag, demodulating the ultrahigh frequency signal to obtain a tag identification code which is formed according to a preset coding rule and contains the management information corresponding to the fixed asset, and sending the tag identification code to a cloud end;
the mobile communication module is in communication connection with the microcontroller module and is used for sending the tag identification code to a cloud end so that the cloud end can decode the management information contained in the tag identification code according to a preset encoding rule.
4. The UHF RFID reader/writer device of claim 3 wherein the microcontroller module automatically generates and sends the control command to the UHF RFID transceiver module according to a preset fixed period; or manually enabling the microcontroller module to generate and send the control command to the ultrahigh frequency RFID transceiver module.
5. The uhf RFID reader device of claim 3, wherein the uhf RFID transceiver module comprises: the frequency synthesis circuit, the radio frequency power amplifier circuit, the antenna switching circuit, the low noise amplifier circuit, the down-mixing circuit, the intermediate frequency amplifier circuit and the intermediate frequency filter shaping circuit.
6. The uhf RFID reader device of claim 3, wherein the mobile communication module comprises: a four-frequency GSM communication unit or a four-frequency GPRS communication unit, an antenna unit, a DCDC power supply circuit and a SIM card seat circuit.
7. The uhf RFID reader of claim 3, further comprising:
the power management module is used for supplying power to each module;
and the LED indicator lamp module is in communication connection with the microcontroller module and is used for indicating the running states of the ultrahigh frequency RFID transceiver module, the microcontroller module and the communication module.
8. A cloud for fixed asset management, the cloud comprising:
the communicator is used for being in communication connection with the ultrahigh frequency RFID read-write device so as to obtain a tag identification code which is formed by encoding according to a preset encoding rule and contains the management information;
the processor is used for coding a formed label identification code containing the management information corresponding to the fixed asset according to a preset coding rule so as to write or modify the management information corresponding to the label identification code; and forming visual data in a form of a report or a graph according to the management information;
a memory for storing the management information.
9. An ultra high frequency RFID-based fixed asset cloud management system, the system comprising:
the one or more uhf RFID tags of any one of claims 1-2, respectively attached to different fixed assets; each ultrahigh frequency RFID electronic tag is coded according to a preset coding rule to form tag information containing management information corresponding to the fixed asset;
the uhf RFID reader/writer according to any one of claims 3 to 7, configured to transmit an uhf signal, receive an uhf signal reflected back by the uhf RFID tag, demodulate the uhf signal to obtain tag information corresponding to the uhf RFID tag and including management information corresponding to the fixed asset, and send the tag information to a cloud;
the cloud for fixed asset management as claimed in claim 8, configured to obtain the tag information, decode the tag information according to the preset encoding rule to obtain management information corresponding to the fixed asset, which is included in the tag information, for management.
10. The uhf-RFID-based fixed asset cloud management system of claim 9, wherein the management information comprises: fixed asset name, fixed asset model, fixed asset geographic location, fixed asset job number, delivery information, buyer, fixed asset price, time of purchase, age, maintenance record, user information, and in-use case any one or more of the combinations.
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