CN210955099U - RFID electronic tag reader-writer based on 4G transmission and 4G wireless transmission device - Google Patents
RFID electronic tag reader-writer based on 4G transmission and 4G wireless transmission device Download PDFInfo
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Abstract
The utility model provides a RFID electronic tags read write line and 4G wireless transmission device based on 4G transmission relates to radio frequency identification technical field. The reader-writer comprises a main control processor, a radio frequency identification module, a first antenna, a first 4G wireless transmission module, a 4G wireless network link, a server and a display terminal, wherein the first antenna is connected with the radio frequency identification module, the radio frequency identification module is connected with the main control processor, the main control processor is connected with the first 4G wireless transmission module, the first 4G wireless transmission module is connected to the server through the 4G wireless network link, and the server is connected with the display terminal. Through being connected main control processor and first 4G wireless transmission module for electronic tags information after main control processor handles can transmit through first 4G wireless transmission module, compares with bluetooth transmission among the prior art, and 4G wireless transmission can also realize remote transmission when guaranteeing the instantaneity that electronic tags information conveys, has improved the wholeness ability of electronic tags read write line.
Description
Technical Field
The utility model relates to a radio frequency identification technology field, concretely relates to RFID electronic tags read write line and 4G wireless transmission device based on 4G transmission.
Background
Radio Frequency Identification (RFID) technology is a radio frequency communication technology, and can be integrated with a mobile communication network, a wireless sensor, biometric identification, and the like. The principle of the technology is that information exchange is carried out on the basis of radio frequency signals through space coupling (alternating magnetic field) and transmission characteristics, and automatic identification of an object is achieved. The radio frequency system can comprise a radio frequency tag, a reader-writer and the like.
The radio frequency identification technology can read or write data at a long distance in a directional or non-directional mode without contact or visibility, is suitable for working in a severe environment, and has the characteristics of processing a plurality of electronic tags, having large stored information quantity, being capable of positioning through RFID tags and the like.
In the prior art, a technical scheme frame entitled "an omnidirectional active RFID reader writer" (patent publication number: CN208636854U) applied by baishenjie smart technology ltd, huizhou city, 6.12.2018 is shown in fig. 1, and the RFID reader writer comprises a processor, a radio frequency identification module, an omnidirectional antenna, a wireless transmitting module, a bluetooth module, an indicator light and a buzzer. According to the scheme, the mode of transmitting the data through the wireless transmitting module, the Bluetooth module and the RS232 is adopted, the processor can respectively send control information to the wireless receiving device, the Bluetooth connecting terminal and the computer terminal in multiple channels, the terminal device can make corresponding feedback, and the control information is used as an information transmission unit in the management of the Internet of things technology, so that the instantaneity of electronic tag information transmission is realized. However, the bluetooth transmission is close, and the purpose of remote transmission cannot be achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a RFID electronic tags read write line and 4G wireless transmission device based on 4G transmission to the not enough of above-mentioned prior art to solve the remote transmission problem of electronic tags information.
In order to achieve the above object, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a 4G transmission-based RFID electronic tag reader-writer, which comprises a main control processor, a radio frequency identification module, a first antenna, a first 4G wireless transmission module, a 4G wireless network link, a server and a display terminal,
the first antenna is connected with the radio frequency identification module, the radio frequency identification module is connected with the main control processor, the main control processor is connected with the first 4G wireless transmission module, the first 4G wireless transmission module is connected to the server through the 4G wireless network link, and the server is connected with the display terminal.
Optionally, the RFID tag reader further includes a second 4G wireless transmission module, the server is connected to the second 4G wireless transmission module through a 4G wireless network link, and the second 4G wireless transmission module is connected to the display terminal through a data bus.
Optionally, the first antenna is an omni-directional antenna.
Optionally, the first 4G wireless transmission module is composed of a 4G/LTE unit, a second antenna and a SIM card unit, the 4G/LTE unit is connected to the main control processor, the 4G/LTE unit is respectively connected to the second antenna and the SIM card unit through an input/output pin, and the second antenna is a 4G antenna.
Optionally, the 4G/LTE unit is connected to the master processor by a serial communication bus.
Optionally, the master processor is an ARM processor.
Optionally, the master control processor is further connected with a power management module, an interface module and a storage unit, respectively.
Optionally, the interface module is provided with an RS232 interface and an RS485 interface.
Optionally, the radio frequency identification module includes a radio frequency oscillator, a radio frequency processor, and a radio frequency receiver, the radio frequency oscillator is configured to generate a radio frequency signal, amplify the radio frequency signal by the radio frequency processor, and transmit the radio frequency signal through the first antenna, and the radio frequency receiver is configured to receive the radio frequency signal received and transmitted by the first antenna, and then transmit the received radio frequency signal to the main control processor after being analyzed by a protocol.
In a second aspect, the present invention further provides a 4G wireless transmission device for the RFID tag reader/writer based on 4G transmission according to the first aspect, the 4G wireless transmission device comprises a 4G/LTE unit, a second antenna and a SIM card unit,
the 4G/LTE unit is connected to a main control processor of the RFID electronic tag reader-writer through a serial communication bus and is used for receiving information processed by the main control processor and sending the information to the main control processor;
the 4G/LTE unit is connected to the second antenna through the input and output pin and used for sending information to be transmitted to the second antenna and receiving the information received by the second antenna;
the 4G/LTE unit is connected to the SIM card unit through the input-output pin and used for sending instructions to the SIM card unit and receiving response signals from the SIM card unit.
The beneficial effects of the utility model include:
the utility model provides a RFID electronic tags read write line of 4G transmission includes the master control treater, the radio frequency identification module, first antenna, first 4G wireless transmission module, 4G wireless network link, server and display terminal, first antenna is connected with the radio frequency identification module, the radio frequency identification module is connected with the master control treater, the master control treater is connected with first 4G wireless transmission module, first 4G wireless transmission module is connected to the server through 4G wireless network link, the server is connected with display terminal. Through being connected main control processor and first 4G wireless transmission module for electronic tags information after main control processor handles can transmit through first 4G wireless transmission module, compares with bluetooth transmission among the prior art, and 4G wireless transmission can also realize remote transmission when guaranteeing the instantaneity that electronic tags information conveys, has improved the wholeness ability of electronic tags read write line.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 shows a schematic block diagram of a structure of a prior art RFID reader;
fig. 2 is a block diagram illustrating a schematic structure of an RFID tag reader based on 4G transmission according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first 4G wireless transmission module in fig. 2;
FIG. 4 is a schematic diagram of the network link transmission of FIG. 2 to a display terminal;
fig. 5 shows a block diagram of a schematic structure of an RFID tag reader based on 4G transmission according to another embodiment of the present invention.
Icon: 101-a master processor; 102-a radio frequency identification module; 103-a first antenna; 104-a first 4G wireless transmission module; 141-4G/LTE units; 142-a second antenna; 143-SIM card unit; 105-a server; 106-display terminal; 107-power management module; 108-an interface module; 109-a storage unit; a 110-4G wireless network link; 120-serial communication bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The radio frequency identification technology realizes non-contact two-way communication by combining radio wave non-contact quick information exchange and storage technology and wireless communication with data access technology and then connecting a database system, thereby achieving the aim of identification. In the identification system, reading and writing and communication of the electronic tag are realized through electromagnetic waves. In the technical scheme shown in fig. 1, by adopting a wireless transmitting module, a bluetooth module and an RS232 data transmission mode, a processor can respectively send control information to a wireless receiving device, a bluetooth connection terminal and a computer terminal in multiple channels, so that the terminal device makes corresponding feedback and serves as an information transmission unit in the management of the internet of things technology to realize the instantaneity of electronic tag information transmission. However, the bluetooth transmission distance is short, and the purpose of remote transmission cannot be achieved.
Therefore, the utility model discloses utilize radio frequency wireless communication to realize non-contact automatic identification technique, design an hyperfrequency RFID read write line based on 4G transmission, can detect out radiofrequency signal, carry out the read-write operation of radio frequency card to upload to the server through the 4G network.
Fig. 2 is a block diagram illustrating a schematic structure of an RFID tag reader based on 4G transmission according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a first 4G wireless transmission module in fig. 2; fig. 4 is a schematic diagram illustrating the network link transmission to the display terminal in fig. 2.
As shown in fig. 2 to 4, an embodiment of the present invention provides a 4G transmission-based RFID tag reader, including a main control processor 101, a radio frequency identification module 102, a first antenna 103, a first 4G wireless transmission module 104, a 4G wireless network link 110, a server 105 and a display terminal 106,
the first antenna 103 is connected with the radio frequency identification module 102, the radio frequency identification module 102 is connected with the main control processor 101, the main control processor 101 is connected with the first 4G wireless transmission module 104, the first 4G wireless transmission module 104 is connected to the server 105 through the 4G wireless network link 110, and the server 105 is connected with the display terminal 106. Optionally, the RFID tag reader further includes a second 4G wireless transmission module (not shown in the drawings), the server 105 is connected to the second 4G wireless transmission module through a 4G wireless network link, and the second 4G wireless transmission module is connected to the display terminal 106 through a data bus.
Optionally, the first antenna 103 is an omni-directional antenna. The omnidirectional antenna shows 360 degrees uniform radiation on a horizontal directional diagram, namely the omnidirectional antenna is generally called non-directional, and shows a beam with a certain width on a vertical directional diagram, and generally, the smaller the lobe width is, the larger the gain is.
Optionally, the first 4G wireless transmission module 104 is composed of a 4G/LTE unit 141, a second antenna 142, and a SIM card unit 143, the 4G/LTE unit 141 is connected to the main control processor 101, and the 4G/LTE unit 141 is connected to the second antenna 142 and the SIM card unit 143 through input and output pins, respectively. The second antenna 142 may be a 4G antenna, for example, the frequency range of the second antenna 142 may be 800 + 2700MHz, and the gain may be 5 dBi. Optionally, the 4G/LTE unit 141 is connected to the main processor 101 through the serial communication bus 120, and the serial communication bus 120 can implement simple and fast connection between the main processor 101 and an external device, so as to achieve the purposes of facilitating users, reducing cost, and expanding the range of connecting the external device.
Alternatively, the master processor 101 may be an ARM processor. ARM (advanced RISC machines) is a 32-bit Reduced Instruction Set (RISC) processor architecture, which is widely used in many embedded system designs. The ARM processor has the characteristics of fixed instruction length, high execution efficiency, low cost and the like. For example, the main control processor 101 may be an ARM10E series microprocessor, and the ARM10E series microprocessor is mainly applied to the fields of next generation wireless devices, digital consumer products, imaging devices, industrial control, communication and information systems, and the like. The ARM10E family of microprocessors includes three types of ARM1020E, ARM1022E, and ARM1026EJ-S for different applications.
Optionally, the rfid module 102 includes a radio frequency oscillator, a radio frequency processor, and a radio frequency receiver, where the radio frequency oscillator is configured to generate a radio frequency signal, amplify the radio frequency signal by the radio frequency processor, and transmit the radio frequency signal through the first antenna 103, and the radio frequency receiver is configured to receive the radio frequency signal received and transmitted by the first antenna 103, and then transmit the received radio frequency signal to the main control processor 101 after being analyzed by a protocol.
As can be seen from fig. 2, the ultrahigh frequency RFID reader based on 4G has a left end connected to the first antenna 103 and a right end connected to the display terminal 106, and is a data conversion link for reading external tag information and the display terminal; the left end is the receiving end of the radio frequency signal, and the right end is the display end of the radio frequency reading and writing result.
On the left part, the first antenna 103 is connected to the rfid module 102, and transmits the rfid reflected signal received by the first antenna 103 to the rfid module 102, and the rfid module 102 transmits the rf signal to the main processor 101 for processing after protocol analysis.
In the right part, the first 4G wireless transmission module 104 is connected to the server 105 through a 4G wireless network link 110 for uploading read-write rf data to the server 105, the server 105 is connected to the 4G wireless transmission module (i.e., the second 4G wireless transmission module mentioned above) through a wireless network link, and the 4G wireless transmission module (i.e., the second 4G wireless transmission module mentioned above) is connected to the display terminal 106 through a data bus.
The direction of the arrows in fig. 3 and 4 indicate the direction of transmission of the data information.
In practical application, the RFID reader proposed in the embodiment of the present invention can be used for detecting an electronic tag of a vehicle, for example.
The electronic tag of the vehicle is an 'electronic license plate', a chip is arranged on the vehicle, then the identification and dynamic monitoring of the identity of the vehicle under the high-speed motion state are realized, the flow monitoring is realized by the chip, and the intelligent management of the urban traffic is boosted.
The working principle of the detection of the vehicle electronic tag is as follows: the embodiment of the utility model provides a back is gathered by main control unit to the vehicle electronic tags signal that the RFID read write line that provides detected, and radio frequency identification module is analytic electronic tags reflected signal under main control processor's control, and the data transmission of output gives wireless transmission module, and main control processor simultaneous control wireless transmission module passes through the network link with read-write data and passes to the server, and the server is with data distribution to display terminal.
To sum up, the embodiment of the utility model provides a through being connected main control processor and first 4G wireless transmission module for electronic tags information after main control processor handles can transmit via first 4G wireless transmission module, compares with bluetooth transmission among the prior art, and 4G wireless transmission can also realize remote transmission when guaranteeing the instantaneity of electronic tags information transfer, has improved the wholeness ability of electronic tags read write line.
Fig. 5 is a schematic block diagram illustrating a structure of an RFID tag reader based on 4G transmission according to another embodiment of the present invention, and as shown in fig. 5, the master control processor 101 is further connected to a power management module 107, an interface module 108, and a storage unit 109.
The power management module 107 is used to manage the power supply to the main processor 101. Optionally, the interface module 108 is provided with an RS232 interface and an RS485 interface. RS232 is a serial physical interface standard established by EIA (electronic industry Association). RS is an abbreviation of english "recommendation standard", 232 is an identification number, and the RS232 bus standard is provided with 25 signal lines including a main channel and an auxiliary channel, and in most cases, the main channel is mainly used, and for general duplex communication, only a few signal lines are needed to realize, such as one transmission line, one reception line, and one ground line. The RS232 standard specifies data transmission rates of 50, 75, 100, 150, 300, 600, 1200, 2400, 4800, 9600, 19200 baud per second. When the communication distance is required to be dozens of meters to thousands of meters, the RS485 serial bus standard is widely adopted. RS485 employs balanced transmission and differential reception, and thus has the capability of suppressing common mode interference. Coupled with the high sensitivity of the bus transceiver, detecting voltages as low as 200mV allows the transmitted signal to be recovered in kilometers away. The RS485 works in half duplex mode, and only one point is in transmitting state at any time, so the transmitting circuit needs to be controlled by an enable signal. RS485 is very convenient when used for multi-point interconnection, and a plurality of signal wires can be omitted. Application RS485 can be networked to form a distributed system that allows up to 32 drivers and 32 receivers in parallel.
The storage unit 109 may be used to store various data information received and processed by the host processor 101, and the storage unit 109 may include, for example, an HDD, a floppy disk drive, a flash memory, an optical disk, a magneto-optical disk, a magnetic tape, or a combination of two or more of these. Storage unit 109 may include removable or non-removable (or fixed) media, where appropriate. The storage unit 109 includes, for example, a Read Only Memory (ROM). Where appropriate, the ROM may be mask-programmed ROM, Programmable ROM (PROM), Erasable PROM (EPROM), Electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory or a combination of two or more of these.
In addition, the embodiment of the utility model also provides a 4G wireless transmission device, which is used for the RFID electronic label reader-writer based on 4G transmission provided by the above embodiment of the utility model, the 4G wireless transmission device comprises a 4G/LTE unit, a second antenna and a SIM card unit,
the 4G/LTE unit is connected to a main control processor of the RFID electronic tag reader-writer through a serial communication bus and is used for receiving information processed by the main control processor and sending the information to the main control processor;
the 4G/LTE unit is connected to the second antenna through the input and output pin and used for sending information to be transmitted to the second antenna and receiving the information received by the second antenna;
the 4G/LTE unit is connected to the SIM card unit through the input-output pin and used for sending instructions to the SIM card unit and receiving response signals from the SIM card unit.
The 4G wireless transmission device further comprises a power supply module, a detection port and a control port. The SIM card unit has a SIM card holder and a first port that appears high when there is a SIM card inserted in the SIM card holder, and appears low when there is no SIM card inserted in the SIM card holder. The SIM card seat is connected with the 4G/LTE unit bus. The power module is connected with the 4G/LTE unit and supplies power for the 4G/LTE unit. The detection port is connected with the first port; the control port is connected with an enabling pin of the power supply module and is associated with the state of the detection port, and the control port controls the output control level according to the level of the first port so as to enable the power supply module to be switched on or off.
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. An RFID electronic tag reader-writer based on 4G transmission is characterized by comprising a main control processor, a radio frequency identification module, a first antenna, a first 4G wireless transmission module, a 4G wireless network link, a server and a display terminal,
the first antenna is connected with the radio frequency identification module, the radio frequency identification module is connected with the main control processor, the main control processor is connected with the first 4G wireless transmission module, the first 4G wireless transmission module is connected to the server through a 4G wireless network link, and the server is connected with the display terminal.
2. The RFID tag reader-writer based on 4G transmission as claimed in claim 1, further comprising a second 4G wireless transmission module, wherein the server is connected to the second 4G wireless transmission module through a 4G wireless network link, and the second 4G wireless transmission module is connected to the display terminal through a data bus.
3. The RFID tag reader-writer based on 4G transmission of claim 1 wherein the first antenna is an omnidirectional antenna.
4. The RFID tag reader-writer based on 4G transmission according to claim 1, wherein the first 4G wireless transmission module is composed of a 4G/LTE unit, a second antenna and a SIM card unit, the 4G/LTE unit is connected to the master control processor, the 4G/LTE unit is respectively connected to the second antenna and the SIM card unit through an input/output pin, and the second antenna is a 4G antenna.
5. The RFID tag reader-writer based on 4G transmission of claim 4, wherein the 4G/LTE unit is connected to the master processor through a serial communication bus.
6. The RFID tag reader-writer based on 4G transmission as claimed in any one of claims 1 to 5, wherein the master processor is an ARM processor.
7. The RFID tag reader-writer based on 4G transmission of claim 6, wherein the master control processor is further connected with a power management module, an interface module and a storage unit respectively.
8. The RFID tag reader-writer based on 4G transmission of claim 7, wherein the interface module is provided with an RS232 interface and an RS485 interface.
9. The RFID tag reader-writer based on 4G transmission according to any one of claims 1 to 5, wherein the RFID module comprises a radio frequency oscillator, a radio frequency processor and a radio frequency receiver, the radio frequency oscillator is used for generating a radio frequency signal, the radio frequency signal is amplified by the radio frequency processor and then transmitted through the first antenna, the radio frequency receiver is used for receiving the radio frequency signal received and transmitted by the first antenna, and then the received radio frequency signal is transmitted to the main control processor after being analyzed by a protocol.
10. A4G wireless transmission device, for the RFID tag reader-writer based on 4G transmission according to claim 1, wherein the 4G wireless transmission device comprises a 4G/LTE unit, a second antenna and a SIM card unit,
the 4G/LTE unit is connected to a main control processor of the RFID electronic tag reader-writer through a serial communication bus and is used for receiving information processed by the main control processor and sending the information to the main control processor;
the 4G/LTE unit is connected to the second antenna through an input/output pin and used for sending information to be transmitted to the second antenna and receiving the information received by the second antenna;
the 4G/LTE unit is connected to the SIM card unit through an input-output pin and used for sending the finger-joint to the SIM card unit and receiving a response signal from the SIM card unit.
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| CN201922318912.4U CN210955099U (en) | 2019-12-20 | 2019-12-20 | RFID electronic tag reader-writer based on 4G transmission and 4G wireless transmission device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202477A (en) * | 2020-09-30 | 2021-01-08 | 苏州希格玛科技有限公司 | 4G wireless transmission RFID read-write system |
| CN112949807A (en) * | 2021-02-24 | 2021-06-11 | 李秉烜 | Multi-frequency electronic radio frequency label system |
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2019
- 2019-12-20 CN CN201922318912.4U patent/CN210955099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202477A (en) * | 2020-09-30 | 2021-01-08 | 苏州希格玛科技有限公司 | 4G wireless transmission RFID read-write system |
| CN112949807A (en) * | 2021-02-24 | 2021-06-11 | 李秉烜 | Multi-frequency electronic radio frequency label system |
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Address after: Room 1301, building 2, Tongjing Business Plaza, 555 Jiefang East Road, Suzhou, Jiangsu 215000 Patentee after: Suzhou Yuancheng Technology Co.,Ltd. Address before: Room 1301, building 2, Tongjing Business Plaza, 555 Jiefang East Road, Suzhou, Jiangsu 215000 Patentee before: SUZHOU SIGMA TECHNOLOGY Co.,Ltd. |