CN114492485A - Multi-protocol reading system, method and terminal of high-frequency high-speed reader-writer - Google Patents
Multi-protocol reading system, method and terminal of high-frequency high-speed reader-writer Download PDFInfo
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- CN114492485A CN114492485A CN202111524815.6A CN202111524815A CN114492485A CN 114492485 A CN114492485 A CN 114492485A CN 202111524815 A CN202111524815 A CN 202111524815A CN 114492485 A CN114492485 A CN 114492485A
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- 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
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Abstract
The invention discloses a system, a method and a terminal for reading a high-frequency high-speed reader-writer multiprotocol, which comprise a reading-writing unit and a background central processing system, wherein the reading-writing unit comprises a reading-writing unit body and a background central processing system body, and the background central processing system comprises a reading-writing unit body, a background central processing system body and a background central processing system body, wherein the reading-writing unit body comprises a reading-writing unit body and a background central processing system body, and the reading-writing unit body comprises a reading-writing unit body, a background central processing system body and a background central processing system body, and the background central processing system body comprises a reading-writing unit body, a reading-writing unit and a background central processing system body, a reading unit, a reading-writing unit, a reading unit and a background central processing unit, a background central processing unit and a background central processing unit, and a background central processing unit, a host computer: the reading and writing unit is connected with the background central processing system, the reading and writing unit comprises a control module and a reading and writing module, the reading and writing module is connected with a plurality of external antenna devices, the reading and writing module can be switched among the plurality of external antenna devices, the control module is used for controlling the reading and writing module to send instructions of different protocols to identify and read RFID labels of corresponding protocols, the control module in the reading and writing unit controls the reading and writing module to be switched among the plurality of external antenna devices to identify and read the RFID labels of the protocols, so that high-frequency electronic labels corresponding to the different protocols in the current radio frequency field can be read, the problem that the plurality of labels of the plurality of protocols cannot be read is solved, the reading success rate of the electronic labels is improved while the reading speed of the labels is ensured.
Description
Technical Field
The invention relates to the technical field of wireless radio frequency identification, in particular to a high-frequency high-speed reader-writer multi-protocol reading system, a method and a terminal.
Background
The Radio Frequency Identification (RFID) technology is used as a key technology for constructing the Internet of things, and the RFID technology is a wireless communication technology, and can identify a specific target through a radio signal without directly contacting an object and reading and writing related data. The radio frequency identification device of the high-frequency HF works in a frequency band of 13.56MHz, the system transmits energy through the inductive coupling of an antenna coil, and the magnetic field energy is reduced rapidly through the inductive coupling mode. Two protocols are mainly followed: ISO/IEC14443(A, B) protocol, ISO/IEC15693 protocol.
The existing ISO14443 protocol is weak in collision-proof capability of the read-write equipment, only a single tag can be read at a time, and tags under multiple ISO14443 protocols cannot be read at the same time, the existing high-frequency card reading equipment (ISO14443 protocol, ISO15693 protocol) can only set a single protocol to read tags corresponding to the protocol, and cannot simultaneously read tags of 2 different protocols, the existing high-frequency read-write equipment, particularly the equipment of ISO14443 protocol, has a low read success rate on tags in a read motion state, the read success rate is linearly reduced as the speed is higher, and when multiple tags of different protocols in a certain object pass through a radio frequency field quickly, the multiple tags in a container need to be read accurately, the existing high-frequency read-write equipment on the market cannot meet the requirements.
Disclosure of Invention
The invention aims to solve the technical problems that the conventional high-frequency card reading equipment can only set a single protocol to read tags of corresponding protocols and cannot simultaneously read tags of 2 different protocols, and aims to provide a high-frequency high-speed reader-writer multi-protocol reading system, method and terminal.
The invention is realized by the following technical scheme:
in a first aspect, the present invention provides a high-frequency high-speed reader/writer multi-protocol reading system, which includes a reading/writing unit and a background central processing system: the reading and writing unit is connected with the background central processing system and comprises a control module and a reading and writing module, the reading and writing module is connected with the plurality of external antenna devices and can be switched among the plurality of external antenna devices, and the control module is used for controlling the reading and writing module to send instructions of different protocols to identify and read the RFID labels of the corresponding protocols.
According to the invention, the control module in the read-write unit controls the read-write module to switch among a plurality of external antenna devices to read the RFID tags of the protocols, so that the high-frequency electronic tags corresponding to different protocols in the current radio frequency field are read, the problem that a plurality of tags of a plurality of protocols cannot be read is solved, the tag reading speed is ensured, and the reading success rate of the electronic tags is improved.
As a further limitation of the present invention, the read/write module sends out instructions of different protocols in a polling manner.
As a further limitation of the present invention, the read/write module issues a protocol read command through the antenna, and the plurality of external antenna devices are diagonally disposed. The read-write module can switch the external antenna device conveniently.
As a further limitation of the present invention, the read/write module sends out a reading command of a protocol through the external antenna device, and the read/write module switching mechanism performs switching of the external antenna device or switching of different protocols through resolving a return signal of the protocol to complete the RFID tag reading. And the different labels with different protocols are identified and read by switching the antenna.
As a further limitation of the present invention, the control module is connected to a data processing module, the data processing module is configured to send a signal to the control module and group data returned by the read/write module, and the same group of data in the group data represents multiple pieces of high-frequency electronic tag data on the same object. Grouping the return data facilitates data identification.
As a further limitation of the invention, a plurality of read-write modules are provided, and the read-write modules communicate with the control module through the background central processing system. The background central processing system controls the plurality of reading and writing modules to send commands of different protocols to read the RFID tags of the corresponding protocols, and the reading speed is improved.
As a further limitation of the invention, the read-write unit is connected with the background central processing system and communicates with the control module, and the read-write module comprises the processing of an anti-collision mechanism. When the read-write module reads a plurality of labels of a plurality of protocols, collision of the electronic labels is prevented.
In a second aspect, based on the high-frequency high-speed reader/writer multi-protocol reading system, the present solution further provides a high-frequency high-speed reader/writer multi-protocol reading method, which includes
The external antenna equipment sends out a reading command of a protocol ISO14443, judges the return signal and judges whether to continue sending out the reading command of the protocol through the external antenna equipment;
the return signals comprise correct signals and error signals, and the error signals comprise no return signals;
if the return signal is a correct signal, the external antenna equipment is switched, and if the return signal is an error signal, the external antenna equipment continuously sends out a reading command of a protocol ISO 15693.
As a further limitation of the present invention, after the external antenna device sends out the reading command of the protocol ISO15693, the external antenna is switched whether the returned result is correct, and after the external antenna is switched, the reading command of the ISO14443 protocol is continuously sent out to judge the returned signal. The success rate of reading electronic tags with different protocols is improved by switching external antenna equipment and reading the protocols of signals returned by sending out reading commands of the ISO14443 protocol.
In a third aspect, based on the high-frequency high-speed reader/writer multi-protocol reading system, the present solution further provides a terminal, where the terminal is configured to display the working state and the execution result return data of the read/write module in a form of sound and light or a display screen. And visualizing the return signal read by the electronic tag through the terminal equipment.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the electronic tags of multiple ISO14443 protocols can be processed simultaneously, the electronic tags under the condition that the pipeline speed is 120 cm per second can be processed, the electronic tags of multiple protocols (ISO14443 protocols and ISO15693 protocols) can be processed simultaneously in a single processing sequence, the success rate of reading all the electronic tags is more than 99.9%, the productivity is greatly improved, and the management cost can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
FIG. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is a diagram of a background central processing system and a reading unit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides a high-frequency high-speed reader/writer multi-protocol reading system, which includes a reading/writing unit and a background central processing system: the read-write unit is connected with the background central processing system and comprises a control module and a plurality of read-write modules, the read-write modules are connected with a plurality of external antenna devices and can be switched among the plurality of external antenna devices, the control module is used for controlling the read-write modules to send instructions of different protocols to read RFID tags of corresponding protocols, the read-write modules alternately read the RFID tags of each protocol in a polling mode, the read-write modules send read commands of different protocols through antennas, the plurality of external antenna devices are arranged diagonally to facilitate the read-write modules to switch the external antenna devices, the read-write modules send the read commands of the protocols through the external antenna devices, the read-write module switching mechanism switches the external antenna devices or switches different protocols to complete the reading of the RFID tags by analyzing return signals of different protocols, and the number of the read-write modules is multiple, the reading and writing module is communicated with the control module through the background central processing system, the reading and writing module system comprises processing of an anti-collision mechanism, the reading and writing module can send different protocols to read the plurality of labels, signal interference caused by the fact that the plurality of labels are communicated with the reader at the same time is avoided, collision of all electronic labels is prevented, the control module in the reading and writing unit controls the reading and writing module to switch among a plurality of external antenna devices to read the RFID labels of the protocols, high-frequency electronic labels of different protocols in the current radio frequency field are read, reading speed is guaranteed, reading success rate of the electronic labels is improved, signals returned after the protocols are read through the reading and writing module are switched between the protocols and the antennas, and all the electronic labels have opportunities to exchange information with the reader-writer through the anti-collision mechanism.
In some possible embodiments, the control module is connected to the data processing module, the data processing module is configured to send a signal to the control module and group data returned by the read/write module, the same group of data in the grouped data represents multiple pieces of high-frequency electronic tag data on the same object, the returned data is grouped to facilitate data identification, the data is grouped to determine a transmission path of the data, and the reading efficiency of the protocol is improved.
The embodiment of the present application further provides a method for reading a high-frequency and high-speed reader by multiple protocols, including:
the external antenna equipment sends out a reading command of a protocol ISO14443, judges the return signal and judges whether to continue sending out the reading command of the protocol through the external antenna equipment;
the return signals comprise correct signals and error signals, and the error signals comprise no return signals;
if the return signal is a correct signal, switching the external antenna equipment, and if the return signal is an error signal, continuously sending a reading command of a protocol ISO15693 through the external antenna equipment;
after the external antenna equipment sends out a reading command of a protocol ISO15693, the external antenna equipment switches the external antenna if the returned result is correct, and continues to send out the reading command of the ISO14443 protocol after the external antenna equipment switches the external antenna, so as to judge the returned signal. The switching of external antenna equipment and the reading of protocols are carried out on signals returned by a reading command which sends an ISO14443 protocol, the reading success rate of electronic tags with different protocols is improved, the successive circulation is carried out, a control module continuously controls a reading and writing module to switch among a plurality of external antenna equipment according to the returned signals which send commands, in the ISO14443 protocol in the prior art, the anti-collision capacity of the reading and writing equipment is weak, only a single tag can be read at one time, the tags under a plurality of ISO14443 protocols cannot be read simultaneously, the existing high-frequency card reading equipment (ISO14443 protocol and ISO15693 protocol) can only set a single protocol to read tags of corresponding protocols, the tags of 2 different protocols cannot be read simultaneously, the plurality of protocols can be read simultaneously and accurately by setting a plurality of antenna reading protocols, the tags of two different protocols can be read simultaneously, the protocol reading success rate is ensured while the reading speed is ensured, the protocol and the antenna are switched continuously by controlling the read-write module in a polling mode to read the high-frequency electronic tags of different protocols in the current radio frequency field, the reading success rate of the electronic tags is improved while the reading speed is ensured, and the switching between the protocol and the antenna is carried out by a signal returned after the protocol is read by the read-write module, so that the anti-collision is realized, and the electronic tags have the opportunity to exchange information with a reader-writer.
The embodiment of the application further provides a terminal, wherein the terminal is used for displaying the working state and the execution result return data of the read-write module in a form of sound and light or a display screen, and the return signal read by the electronic tag is visualized through terminal equipment.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A multi-protocol reading system of a high-frequency high-speed reader-writer is characterized by comprising a reading-writing unit and a background central processing system: the reading and writing unit is connected with the background central processing system and comprises a control module and a reading and writing module, the reading and writing module is connected with the plurality of external antenna devices and can be switched among the plurality of external antenna devices, and the control module is used for controlling the reading and writing module to send instructions of different protocols to identify and read the RFID labels of the corresponding protocols.
2. The system according to claim 1, wherein the read/write module issues commands of different protocols by polling.
3. The high frequency high speed reader/writer multi-protocol reading system according to claim 1, wherein said plurality of external antenna devices are placed diagonally.
4. The multi-protocol reading system of the high-frequency high-speed reader-writer according to claim 1, wherein the read-write module sends out a reading command of a protocol through an external antenna device, and the read-write module switching mechanism switches the external antenna device by analyzing a return signal of the protocol or switches different protocols to complete the RFID tag reading.
5. The system according to claim 1, wherein the control module is connected to a data processing module, and the data processing module is configured to send a signal and group data returned by the read/write module.
6. The high-frequency high-speed reader-writer multi-protocol reading system according to claim 5, wherein the same group of data in the grouped data represents a plurality of pieces of high-frequency electronic tag data on the same object.
7. The system according to claim 1, wherein the read/write unit is connected to a back-end central processing system and communicates with a control module, and the read/write module includes a processing for anti-collision mechanism.
8. A high frequency high speed reader/writer multiprotocol reading method applied to the high frequency high speed reader/writer multiprotocol reading system according to any one of claims 1 to 7, the method comprising:
the external antenna equipment sends out a reading command of a protocol ISO14443, judges the return signal and judges whether to continue sending out the reading command of the protocol through the external antenna equipment;
the return signals comprise correct signals and error signals, and the error signals comprise no return signals;
if the return signal is a correct signal, the external antenna equipment is switched, and if the return signal is an error signal, the external antenna equipment continuously sends out a reading command of a protocol ISO 15693.
9. The multiprotocol reading method for the high-frequency high-speed reader/writer according to claim 8, wherein when the external antenna device issues a reading command of protocol ISO15693, the external antenna is switched to determine whether the returned result is correct, and when the external antenna is switched, the reading command of protocol ISO14443 is continuously issued to determine the returned signal.
10. A terminal, characterized in that it comprises a high-frequency high-speed reader-writer multi-protocol reading system as claimed in any one of claims 1-8, said terminal is used to display the working state of the reading-writing module and the return data of the execution result in the form of sound and light or display screen.
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| CN202111524815.6A CN114492485A (en) | 2021-12-14 | 2021-12-14 | Multi-protocol reading system, method and terminal of high-frequency high-speed reader-writer |
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| CN202111524815.6A CN114492485A (en) | 2021-12-14 | 2021-12-14 | Multi-protocol reading system, method and terminal of high-frequency high-speed reader-writer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200950259Y (en) * | 2006-06-16 | 2007-09-19 | 武汉飞天智能工程有限责任公司 | Radio frequency recognition multi-protocol read-write terminal |
| CN101303736A (en) * | 2007-05-08 | 2008-11-12 | 深圳市配天网络技术有限公司 | Multi-protocol ultrahigh frequency reader-writer |
| CN203084751U (en) * | 2013-01-30 | 2013-07-24 | 电子科技大学 | RFID mobile communication terminal |
| CN106919876A (en) * | 2015-12-25 | 2017-07-04 | 北京计算机技术及应用研究所 | The self-adapted protocol changing method of multi-protocols rfid interrogator |
| US20210350092A1 (en) * | 2020-05-09 | 2021-11-11 | Neology, Inc. | Control protocol for multi-protocol transponder |
-
2021
- 2021-12-14 CN CN202111524815.6A patent/CN114492485A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200950259Y (en) * | 2006-06-16 | 2007-09-19 | 武汉飞天智能工程有限责任公司 | Radio frequency recognition multi-protocol read-write terminal |
| CN101303736A (en) * | 2007-05-08 | 2008-11-12 | 深圳市配天网络技术有限公司 | Multi-protocol ultrahigh frequency reader-writer |
| CN203084751U (en) * | 2013-01-30 | 2013-07-24 | 电子科技大学 | RFID mobile communication terminal |
| CN106919876A (en) * | 2015-12-25 | 2017-07-04 | 北京计算机技术及应用研究所 | The self-adapted protocol changing method of multi-protocols rfid interrogator |
| US20210350092A1 (en) * | 2020-05-09 | 2021-11-11 | Neology, Inc. | Control protocol for multi-protocol transponder |
Non-Patent Citations (3)
| Title |
|---|
| 唐晓宇等: "基于RFID的手持巡检设备设计", 《黑龙江科技信息》 * |
| 朱臣元等: "多标签多协议RFID读写器设计", 《微计算机信息》 * |
| 陈国发: "物联网综合解决方案中多协议多标签RFID信号及信息处理技术", 《南京广播电视大学学报》 * |
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Application publication date: 20220513 |