CN103810513A - Data operating method and device for RFID (Radio Frequency Identification Device) label of user - Google Patents
Data operating method and device for RFID (Radio Frequency Identification Device) label of user Download PDFInfo
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Abstract
The invention discloses a data operating method and a data operating device for the RFID (Radio Frequency Identification Device) label of a user. The method comprises the steps of detecting the RFID label in a sensing range, wherein the RFID label comprises a management RFID label and a user RFID label; acquiring instructions and corresponding operation data in the management RFID label; and correspondingly operating the RFID label of the user according to the instructions and the corresponding operation data. According to the method, the data operation is performed on the RFID label of the user according to the instructions and the corresponding operation data stored in the management RFID label in the sensing range; and compared with the traditional data operation method of the RFID label of the user, the instructions and the operation data thereof are not needed to be edited by connecting with an upper computer repeatedly, so that the complicity of the data operation can be reduced.
Description
Technical Field
The invention relates to the field of radio frequency identification, in particular to a data operation method and equipment of a user RFID (radio frequency identification) tag.
Background
The RFID (Radio Frequency IDentification) technology, also called as an electronic tag or RFID, can identify a specific target by Radio signals and read/write related data without establishing mechanical or optical contact between an IDentification system and the specific target. The ultimate development goal of the internet of things is to install RFID tags for all people and articles, and various information about the people and the articles can be obtained anytime and anywhere by using the RFID tag writing equipment and the network equipment.
The traditional RFID tag writing device has two operation modes, wherein the first mode is to operate the RFID tag according to the instruction of a background information platform or the collected command of an operator. For a large number of RFID labels needing to be written with the same information, the method needs to connect the RFID label writing equipment with the upper computer for many times to obtain an operation instruction, the efficiency is very low, and human errors are easy to occur. The second way is to operate the RFID tag according to the instruction set and the operation data pre-stored in the internal memory of the RFID tag writing device. The method has high efficiency when the same content is written into a large number of RFID tags, but once the content needing to be written changes, the RFID tag writing equipment needs to be connected with the upper computer again, the instruction set and the operation data prestored in the internal memory of the RFID tag writing equipment are modified, and the complexity is high.
Disclosure of Invention
In view of this, embodiments of the present invention provide a data operation method and device for a user RFID tag, so as to reduce the complexity of data operation of the user RFID tag.
In one aspect, an embodiment of the present invention provides a data operation method for a user radio frequency identification RFID tag, including:
detecting RFID tags within a sensing range, the RFID tags including a management RFID tag and a user RFID tag;
obtaining instructions and corresponding operational data from the management RFID tag;
and performing corresponding operation on the user RFID label according to the instruction and the corresponding operation data.
Further, obtaining instructions and corresponding operational data from the managing RFID tag includes:
decoding data in the management RFID tag;
and decrypting the data obtained by decoding to obtain the instruction in the management RFID label and the corresponding operation data.
Further, the instructions include: add instructions, delete instructions, override instructions, or modify instructions.
Further, performing corresponding operation on the user RFID tag according to the instruction and corresponding operation data, including:
when the instruction is an adding instruction, adding operation data corresponding to the adding instruction into a memory of the user RFID tag;
when the instruction is a deleting instruction, deleting the operation data corresponding to the deleting instruction in the memory of the user RFID label;
when the instruction is an overlay instruction, overlaying specified data in the user RFID label by using operation data corresponding to the overlay instruction;
and when the instruction is a modification instruction, performing operation on the data specified in the user RFID tag by using the modification instruction and the corresponding operation data, and replacing the data specified in the user RFID tag with the operation result.
In another aspect, an embodiment of the present invention provides a data operation device for a user RFID tag, including: a radio frequency transceiver and a data processing module,
the radio frequency transceiver is used for receiving radio frequency signals sent by the RFID tags in the induction range;
the data processing module is used for detecting RFID labels in an induction range according to radio frequency signals received by the radio frequency transceiver, and the RFID labels comprise management RFID labels and user RFID labels; and obtaining instructions and corresponding operational data from the management RFID tag;
and the data processing module is also used for carrying out corresponding operation on the user RFID label according to the instruction and the corresponding operation data.
Further, the data processing module comprises: an RFID protocol module and a data decryption compiling module,
the RFID protocol module is used for detecting RFID labels in an induction range and decoding data in the management RFID labels;
the data decryption compiling module is used for decrypting the decoded data to obtain the instruction in the management RFID label and corresponding operation data;
and the RFID protocol module is also used for carrying out corresponding operation on the user RFID label according to the instruction and the corresponding operation data.
Further, the management RFID tag is located on an outer surface of the data operation device of the user RFID tag, and is configured to store the instruction and the operation data corresponding to each instruction.
Further, the method also comprises the following steps: and the user interaction module is used for indicating the working state of the data processing module.
Further, the user interaction module is one or a combination of a plurality of a loudspeaker, a light emitting diode and a display.
Further, when the data processing module completes the data operation of the user RFID tag, the device is turned off or enters a standby state; or,
and when the data processing module does not detect the management RFID label and/or the user RFID label in the sensing range within a preset time period, the equipment is closed or enters a standby state.
According to the data operation method and the data operation equipment for the user RFID tag, provided by the embodiment of the invention, the data operation is carried out on the user RFID tag according to the instruction and the related operation data stored in the management RFID tag in the induction range, and compared with the traditional data operation method for the user RFID tag, the method and the equipment do not need to connect an upper computer for editing the instruction and the operation data for many times, so that the complexity of the data operation is reduced.
Drawings
FIG. 1 is a flow chart of a data manipulation method of a user RFID tag according to an embodiment of the present invention;
fig. 2 is a diagram of specific steps of acquiring an instruction and corresponding operation data from a management RFID tag in the data operation method of the user RFID tag according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a data manipulation device for a user RFID tag provided by an embodiment of the present invention;
fig. 4 is a diagram of a preferred embodiment of a data manipulation device for a user RFID tag according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.
Fig. 1 shows a flowchart of a data operation method of a user RFID tag according to an embodiment of the present invention, and an execution subject according to an embodiment of the present invention may be an existing data operation device of the user RFID tag, such as a card reader, a reader, and the like. As shown in fig. 1, the process is specifically as follows:
step 101, detecting RFID tags in a sensing range, wherein the RFID tags comprise a management RFID tag and a user RFID tag.
The data operation device of the user RFID label and the communication between the management RFID label and the user RFID label in the embodiment of the invention are at least compatible with one of the following international standards, namely international standards of ISO14443 series, ISO15693 series, ISO18000-3 series or ISO18000-6 series. The management RFID tag and the user RFID tag satisfy the same air interface protocol and anti-collision protocol.
In the embodiment of the invention, after the data operation equipment of the user RFID label is powered on, the RFID label is detected in the induction range, the RFID label comprises a management RFID label and the user RFID label, the management RFID label is generally positioned on the outer surface of the data operation equipment of the user RFID label, and characters, figures and the like can be added to explain the function of the management RFID label, so that the management equipment is convenient for a manager to use. The management RFID tag is used for storing instructions and related operation data, and the user RFID tag is usually attached to an object, such as a commodity, a vehicle, and the like, and is used for storing related information of the object, such as the name of the commodity, the price, and the like.
Step 102, obtaining instructions and corresponding operation data from the management RFID tag.
In this step, when the data operation device of the user RFID tag detects that the management RFID tag and the user RFID tag exist simultaneously within the sensing range, an instruction and corresponding operation data are acquired from the management RFID tag.
In the embodiment of the invention, a plurality of management RFID labels can be conveniently generated by using the management RFID label issuing equipment, and the management RFID labels can be the same or different. The management RFID tag is used for storing instructions and relevant operation data, and different instructions can realize different functions.
And 103, performing corresponding operation on the user RFID tag according to the instruction and the corresponding operation data.
In the embodiment of the present invention, the same operation may be performed on a plurality of user RFID tags according to an instruction in one management RFID tag and corresponding operation data. Because the instructions and related operation data stored in different management RFID tags are different, in the actual application process, different operations can be performed on a plurality of user RFID tags or the same user RFID tag by replacing the management RFID tag. When the existing equipment carries out different operations on the RFID tag of the user, the existing equipment needs to be connected with the upper computer again, and the instruction and the corresponding operation data in the memory are edited.
According to the data operation method of the user RFID tag, the data operation is performed on the user RFID tag according to the instruction and the related operation data stored in the management RFID tag in the induction range, compared with the traditional data operation method of the user RFID tag, the method does not need to be connected with an upper computer for editing the instruction and the operation data, and complexity of the data operation is reduced.
On the basis of the foregoing embodiment, the acquiring the instruction and the corresponding operation data from the management RFID tag may specifically include the steps shown in fig. 2:
step 201, decoding the data in the management RFID tag.
Step 202, decrypting the data obtained by decoding to obtain the instruction in the management RFID tag and the corresponding operation data.
In the step, in order to ensure the security of the data in the management RFID tag, the data is usually encrypted by using a private key, and after the data in the management RFID tag is decoded, the decoded data may be decrypted by using a built-in public key to obtain the instruction and the corresponding operation data in the management RFID tag.
In the above embodiment, the instruction obtained from the management RFID tag is: any one of an add instruction, a delete instruction, an override instruction, and a modify instruction.
And when the instruction is an adding instruction, adding the operation data corresponding to the adding instruction into a memory of the user RFID tag, such as writing information into a blank user RFID tag, adding information into a user RFID tag containing information, and the like.
And when the instruction is a deleting instruction, deleting the operation data corresponding to the deleting instruction in the memory of the user RFID label, such as deleting a certain piece of information in the user RFID label.
And when the instruction is an covering instruction, covering the data specified in the user RFID label by using the operation data corresponding to the covering instruction.
And when the instruction is a modification instruction, performing operation on the data specified in the user RFID tag by using the modification instruction and the corresponding operation data, and replacing the data specified in the user RFID tag with the operation result.
In the embodiment of the invention, the data operation equipment of the user RFID tags performs data operation on a plurality of user RFID tags according to the instruction in the management RFID tag, and after the operation is finished, the data in the user RFID tags can be read for checking so as to ensure the accuracy of the data operation on the user RFID tags.
Fig. 3 shows data operation equipment of a user RFID tag according to an embodiment of the present invention, and as shown in fig. 3, the equipment may specifically include: a radio frequency transceiver 31 and a data processing module 32. The radio frequency transceiver 31 is configured to receive a radio frequency signal sent by an RFID tag in an induction range; the data processing module 32 is configured to detect an RFID tag in an induction range according to a radio frequency signal received by the radio frequency transceiver 31, where the RFID tag includes a management RFID tag and a user RFID tag; and obtaining instructions and corresponding operational data from the management RFID tag; the data processing module 32 is further configured to perform corresponding operations on the user RFID tag according to the instructions and the corresponding operation data.
Those skilled in the art will understand that the data operation device of the user RFID tag further includes a battery and a power management module, the power management module is used for supplying power to each module of the data operation device of the user RFID tag, and the power management module is used for charging the battery, detecting the electric quantity of the battery, and sending an alarm signal when the electric quantity is insufficient.
In this embodiment, when the data processing module 32 completes the data operation of the user RFID tag, the device is turned off or enters a standby state; or, when the data processing module does not detect the management RFID tag and/or the user RFID tag within the sensing range within a preset time period, the device is turned off or enters a standby state to save power.
In the above embodiment, the management RFID tag is located on an outer surface of the data operation device of the user RFID tag, and is configured to store the instruction and the operation data corresponding to each instruction.
In the above embodiment, the data processing module 32 may preferably further include: an RFID protocol module 321 and a data decryption compiling module 322. The RFID protocol module 321 is configured to detect an RFID tag within an induction range, and decode data in the management RFID tag; the data decryption compiling module 322 is configured to decrypt the decoded data to obtain an instruction and corresponding operation data in the management RFID tag, and the RFID protocol module 321 is further configured to perform corresponding operation on the user RFID tag according to the instruction and the corresponding operation data.
In the above embodiment, the data operation device of the user RFID tag may further include: a user interaction module 33. The user interaction module 33 is used to indicate the working status of the data processing module 32, such as detecting or not detecting an RFID tag in a sensing range, operating a user RFID tag successfully or unsuccessfully, and the like. The user interaction module 33 may be one or a combination of a speaker, a light emitting diode, and a display, and the display may be used to display information such as images or texts.
The data operation device of the user RFID tag provided in the embodiment of the present invention is configured to execute the data operation method of the user RFID tag provided in the above embodiment, and has corresponding functional modules, so that technical effects similar to those of the method can be achieved, and details are not repeated here.
Fig. 4 shows a preferred example of the data operation device of the user RFID tag according to an embodiment of the present invention, as shown in fig. 4, the management RFID tag 42 is located on an outer surface of the data operation device 41 of the user RFID tag, and the data operation device 41 of the user RFID tag is further provided with a micro switch 43, and the micro switch 43 is connected to an internal power management module for controlling the data operation device of the user RFID tag to switch between an off state and an on state or switch between a sleep state and an awake state under the action of an external force. The user RFID tag 44 is removable. The operation of the data operating device 41 of the user RFID tag is as follows:
the data operation device 41 of the user RFID tag is normally in an off or standby state, when the micro switch 43 is turned on, the data operation device 41 of the user RFID tag is turned on or awakened to enter a working state, and a radio frequency transceiver inside the device 41 receives a radio frequency signal sent out by the management RFID tag 42 or the user RFID tag 44 from a space through an antenna or a coil (for a passive RFID tag, the radio frequency transceiver is also responsible for wirelessly supplying power to a tag chip). The received radio frequency signal enters an RFID protocol module through demodulation and rectification, and the RFID protocol module sends the obtained data to a data decryption and compiling module after completing the work of decoding, time sequence control and the like on the data in the management RFID label. The data is decrypted and compiled to generate an instruction set and operation data, and the instruction set and the operation data are matched with a firmware operation system of the equipment to control the RFID protocol module to operate the inquired user RFID tag 44. The RFID protocol module performs read-write and other two-way communication with the user RFID label through the radio frequency transceiver to complete the operation required by the instruction set. And according to the success or failure of the operation, the user interaction module sends out sound, light or image text prompt.
In the actual design process, when designing the mechanical structure and appearance of the data operation device 41 of the user RFID tag, it should be noted that the management RFID tag 42 and the user RFID tag 44 both have the magnetic lines of force of the coil as much as possible to pass through (or coincide with the polarization direction of the antenna) and do not overlap with each other, and the management RFID tag 42 is perpendicular to the antenna at the side of the antenna area and just passes through the magnetic lines of force after the aerial winding. It is also convenient for the user to hold the user RFID tag 44 and press the microswitch 43 on the side of the user RFID tag's data-manipulating device 41, usually with the management RFID tag placed in a conspicuous location to indicate, by printed legends, the function performed by the user RFID tag's data-manipulating device 41.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A data operation method of a user Radio Frequency Identification (RFID) tag is characterized by comprising the following steps:
detecting RFID tags within a sensing range, the RFID tags including a management RFID tag and a user RFID tag;
obtaining instructions and corresponding operational data from the management RFID tag;
and performing corresponding operation on the user RFID label according to the instruction and the corresponding operation data.
2. The method of claim 1, wherein the retrieving instructions and corresponding operational data from the management RFID tag comprises:
decoding data in the management RFID tag;
and decrypting the data obtained by decoding to obtain the instruction in the management RFID label and the corresponding operation data.
3. The method of claim 1, wherein the instructions comprise: add instructions, delete instructions, override instructions, or modify instructions.
4. The data manipulation method of the user RFID tag of claim 3, wherein performing the corresponding manipulation on the user RFID tag according to the instruction and the corresponding manipulation data comprises:
when the instruction is an adding instruction, adding operation data corresponding to the adding instruction into a memory of the user RFID tag;
when the instruction is a deleting instruction, deleting the operation data corresponding to the deleting instruction in the memory of the user RFID label;
when the instruction is an overlay instruction, overlaying specified data in the user RFID label by using operation data corresponding to the overlay instruction;
and when the instruction is a modification instruction, performing operation on the data specified in the user RFID tag by using the modification instruction and the corresponding operation data, and replacing the data specified in the user RFID tag with the operation result.
5. A data manipulation device for a user RFID tag, comprising: a radio frequency transceiver and a data processing module,
the radio frequency transceiver is used for receiving radio frequency signals sent by the RFID tags in the induction range;
the data processing module is used for detecting RFID labels in an induction range according to radio frequency signals received by the radio frequency transceiver, and the RFID labels comprise management RFID labels and user RFID labels; and obtaining instructions and corresponding operational data from the management RFID tag;
and the data processing module is also used for carrying out corresponding operation on the user RFID label according to the instruction and the corresponding operation data.
6. The data manipulation device of the user RFID tag of claim 5, wherein the data processing module comprises: an RFID protocol module and a data decryption compiling module,
the RFID protocol module is used for detecting RFID labels in an induction range and decoding data in the management RFID labels;
the data decryption compiling module is used for decrypting the decoded data to obtain the instruction in the management RFID label and corresponding operation data;
and the RFID protocol module is also used for carrying out corresponding operation on the user RFID label according to the instruction and the corresponding operation data.
7. The data manipulation device of the user RFID tag of claim 6, wherein the management RFID tag is located on an outer surface of the data manipulation device of the user RFID tag and is configured to store instructions and manipulation data corresponding to each instruction.
8. The data manipulation device of the user RFID tag of claim 5, further comprising: and the user interaction module is used for indicating the working state of the data processing module.
9. The data manipulation device of the user RFID tag of claim 8, wherein the user interaction module is one or a combination of a speaker, a light emitting diode and a display.
10. The data operation device of the user RFID tag according to claim 5, wherein when the data processing module completes the data operation of the user RFID tag, the device is turned off or enters a standby state; or,
and when the data processing module does not detect the management RFID label and/or the user RFID label in the sensing range within a preset time period, the equipment is closed or enters a standby state.
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| CN201410050482.1A CN103810513A (en) | 2014-02-13 | 2014-02-13 | Data operating method and device for RFID (Radio Frequency Identification Device) label of user |
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| CN201410050482.1A CN103810513A (en) | 2014-02-13 | 2014-02-13 | Data operating method and device for RFID (Radio Frequency Identification Device) label of user |
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