CN103187996A - Data transmission method, data transmission device and data transmission system based on RFID (Radio Frequency Identification Device) - Google Patents

Abstract

The invention discloses an RFID-based data transmission method, device and system. The method includes: a Bluetooth base receives information of a radio frequency identification RFID card sent by a user terminal carrying an RFID card; The information of the RFID card is sent to the receiving device via Bluetooth. Compared with the prior art, the RFID-based data transmission method, device and system proposed by the present invention can realize the long-distance sending of the information of the RFID card to the receiving device.

Description

RFID-based data transmission method, device and system

technical field

The invention relates to mobile communication technology, in particular to an RFID-based data transmission method, device and system.

Background technique

Radio Frequency Identification (RFID) technology, also known as electronic tags and radio frequency identification, is a non-contact automatic identification technology. It automatically identifies the target object and obtains relevant data through radio frequency signals. The identification work does not require manual intervention. Work in various harsh environments. RFID technology can identify high-speed moving objects and can identify multiple tags at the same time, and the operation is fast and convenient.

FIG. 1 is a schematic structural diagram of an RFID system in the prior art. As shown in Figure 1, the RFID system consists of tags, RFID readers and antennas. Among them, the tags in the RFID system are composed of coupling elements and chips. Each tag has a unique electronic code, which is attached to the object to identify the target object; the RFID reader is used to read (and sometimes write) the tag information , which can be designed as handheld or fixed; the antenna in the RFID system is used to transmit radio frequency signals between the tag and the reader. The working principle of the RFID system is as follows: After the RFID card carrying the label enters the electromagnetic field of the RFID system, it receives the radio frequency signal of a specific frequency (13.56M or 2.4G) sent by the RFID reader, and the RFID card obtains the The energy activates the microchip circuit in the label, and the microchip circuit converts the label information into an electromagnetic wave signal, and then sends it to the RFID reader. The RFID reader decodes the received electromagnetic wave signal and sends it to the application program for related processing. data processing.

In the existing RFID system, the reading and writing distance between the RFID card and the RFID contactless module in the receiving device is only 3 to 6 cm, so its use is limited in many places. For example, in the parking lot management system, when the vehicle enters or exits the field, the owner needs to bring the user terminal carrying the RFID card close to the RFID contactless module in the receiving device to perform read and write operations. The information of the RFID card is processed for payment, which brings great inconvenience to the user. In the existing RFID system, it is impossible to remotely send the information of the RFID card to the receiving device.

Contents of the invention

In view of this, the main purpose of the present invention is to provide a data transmission method based on RFID, which can realize the remote transmission of the information of the RFID card to the receiving device.

Another object of the present invention is to provide two kinds of RFID-based data transmission devices, which can transmit the information of the RFID card to the receiving device remotely.

Another object of the present invention is to provide an RFID-based data transmission system capable of remotely sending information on an RFID card to a receiving device.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

A data transmission method based on RFID, comprising:

The Bluetooth base receives the information of the RFID card sent by the user terminal carrying the radio frequency identification RFID card;

The Bluetooth base sends the information of the RFID card to the receiving device through Bluetooth.

A bluetooth base, comprising:

The RFID contactless module is used to receive the information of the RFID card sent by the user terminal carrying the radio frequency identification RFID card, and send the information of the RFID card to the Bluetooth transceiver module;

The Bluetooth transceiver module is configured to send the received information of the RFID card to a receiving device through Bluetooth.

A point of sale POS terminal comprising:

The receiving module, the user receives the information of the radio frequency identification RFID card sent by the Bluetooth base, and sends the information of the RFID card to the authentication module;

The authentication module is used to judge whether the RFID information has been pre-stored in the preset RFID card information library, if yes, the RFID card authentication is successful, otherwise, the RFID card authentication fails.

A data transmission system based on RFID, comprising:

The Bluetooth base is used to receive the information of the RFID card sent by the user terminal carrying the radio frequency identification RFID card, and send the information of the RFID card to the receiving device;

The receiving device is configured to receive the information of the RFID card sent by the Bluetooth base.

It can be seen that by adopting the technical solution of the present invention, after receiving the information of the RFID card sent by the user terminal carrying the RFID card, the Bluetooth base sends the information of the RFID card to the receiving device via Bluetooth. Compared with the prior art, the RFID-based data transmission method, device and system proposed by the present invention can send the information of the RFID card to the receiving device remotely; in addition, the method of the present invention is simple and convenient to implement, and convenient universal.

Description of drawings

FIG. 1 is a schematic structural diagram of an RFID system in the prior art.

Fig. 2 is a flow chart of the RFID-based data transmission method of the present invention.

Fig. 3 is a flow chart of the method for controlling vehicle approach in the present invention.

Fig. 4 is a flow chart of the method for controlling the exit of vehicles in the present invention.

Fig. 5 is a schematic structural diagram of the Bluetooth base of the present invention.

FIG. 6 is a schematic structural diagram of the POS terminal of the present invention.

FIG. 7 is a schematic structural diagram of the RFID-based data transmission system of the present invention.

Detailed ways

Aiming at the problems existing in the prior art, the present invention proposes an improved RFID-based data transmission method, device and system, which can remotely send the information of the RFID card to the receiving device.

In order to make the technical solution of the present invention clearer and clearer, the solution of the present invention will be further described in detail below with reference to the accompanying drawings and examples.

Fig. 2 is a flow chart of the RFID-based data transmission method of the present invention. As shown in Figure 2, it includes the following steps:

In step 201, the Bluetooth base receives the information of the radio frequency identification (RFID) card sent by the user terminal.

Bluetooth technology is a radio technology that supports device communication (generally within 10 meters), and can exchange information wirelessly between many devices including mobile phones, PDAs, wireless headsets, notebook computers, and related peripherals. The use of Bluetooth technology can effectively simplify the communication between mobile communication terminal equipment, and can also successfully simplify the communication between equipment and the Internet, so that data transmission becomes more rapid and efficient. Bluetooth technology adopts distributed network structure, fast frequency hopping and short packet technology, supports point-to-point and point-to-multipoint communication, and works in the globally common 2.4GHz ISM (ie industrial, scientific, medical) frequency band.

In a specific embodiment of the present invention, the information of the RFID card may include tag information. Since each tag has a unique electronic code, the tag information can be used to identify different user terminals. In this step, the Bluetooth base sends out a radio frequency signal of a specific frequency (13.56M or 2.4G), and the RFID card in the user terminal activates the microchip circuit in the label by virtue of the energy obtained after receiving the radio frequency signal, and the microchip circuit Convert the tag information into an electromagnetic wave signal, and then send it to the Bluetooth base.

In the parking lot management system, when the vehicle equipped with the Bluetooth base enters the parking lot, the remote infrared device in the parking lot management system sends a wake-up command to the Bluetooth base, and the Bluetooth base starts from the sleep state after receiving the wake-up command. transition to the wake state.

Step 202, the Bluetooth base sends the information of the RFID card to the receiving device via Bluetooth.

In a specific embodiment of the present invention, a terminal device with a Bluetooth function is referred to as a Bluetooth device. Before the two Bluetooth devices transmit data, the two Bluetooth devices need to be paired and connected, and the two Bluetooth devices on both sides of the communication need to use the same connection identifier to establish a data connection between the two when pairing. For example, the connection identifier may be a pairing code. When two Bluetooth devices establish a data connection for the first time, the data connection between the two Bluetooth devices can be established by using the connection identifier input by the user, and the above connection identifier is stored in the Bluetooth device; after that, when the two Bluetooth devices When the data connection is established again, the user can use the connection identifier stored in the Bluetooth device to establish a data connection between the two Bluetooth devices without the need for the user to input the connection identifier again. In addition, for a bluetooth device without an input interface, a specific connection identifier (for example: 0000, 1234, etc.) is generally pre-configured as a default pairing code before leaving the factory. In this step, the Bluetooth base may pre-configure a connection identifier for data connection, and may also allow the user to input a specific connection identifier. Specifically, after receiving the information of the RFID card sent by the user terminal, the Bluetooth base sends broadcast signaling through Bluetooth to search for Bluetooth devices that can establish a connection with the Bluetooth base. Bluetooth connection between Bluetooth devices.

In a specific embodiment of the present invention, the receiving device may be a point-of-sale POS terminal, and in this step, the Bluetooth base sends the information of the RFID card to the POS terminal via Bluetooth. In addition, the Bluetooth base can be connected automatically or manually. When the automatic connection method is adopted, the Bluetooth base will automatically establish a connection with the POS terminal after receiving the information of the RFID card sent by the user terminal; when the manual connection method is adopted, the Bluetooth base will search for a Bluetooth After the device is installed, the user can be prompted to establish a Bluetooth connection. In different usage scenarios, the Bluetooth base can also be different. For example, in the vehicle Bluetooth system, the Bluetooth base can be a vehicle Bluetooth base; seat.

In addition, the POS terminal can also set the access authority for the Bluetooth base in advance. After receiving the information of the RFID card sent by the Bluetooth base, the POS terminal judges whether the Bluetooth base has the right to access, and if so, receives the Bluetooth card information. The information of the RFID card sent by the base; otherwise, refuse to receive the information of the RFID card sent by the Bluetooth base.

Moreover, after receiving the information of the RFID card sent by the Bluetooth base, the POS terminal can also authenticate the information of the RFID card. Specifically, after receiving the information of the RFID card sent by the Bluetooth pedestal, the POS terminal judges whether the information of the RFID card has been stored in the preset RFID card information library, if yes, the RFID card authentication is successful, otherwise , RFID card authentication failed. Wherein, the information base of the RFID card may include label information of the RFID card.

According to the above description, it can be seen that through the above steps 201-202, the information of the RFID card can be sent to the POS terminal remotely, and the POS terminal can perform payment processing according to the information of the RFID card after receiving the information of the RFID card. It makes it possible for a user terminal carrying an RFID card to realize long-distance mobile payment.

Preferably, in the parking lot management system, the Bluetooth base can also send the base identifier of the Bluetooth base to the POS terminal, and the POS terminal sends the base identifier to the vehicle management device in the parking lot management system The vehicle management device controls the entry and exit of the vehicle corresponding to the vehicle identification according to the pre-established correspondence between the base identification and the vehicle identification. In a specific embodiment of the present invention, it may further include the following steps:

Step 211, the Bluetooth base sends the base ID of the Bluetooth base to the POS terminal via Bluetooth.

Parking lot management is an important part of urban traffic management and community property management, and it is also an important indicator of modern urban living standards. In a specific embodiment of the present invention, a bluetooth base can be pre-installed in each car in the parking lot management system, specifically, the bluetooth base can be installed on the lower left side of the windshield of the car, each Each Bluetooth base has a unique identifier corresponding to the Bluetooth base, and the base identifier may be a base ID or other unique identifiers. In this step, after the Bluetooth base is woken up, the base identifier is sent to the POS terminal via Bluetooth.

Step 212, the POS terminal sends the base identifier to the vehicle management device.

In a specific embodiment of the present invention, the vehicle management device may be the upper computer in the parking lot management system, and the upper computer refers to a computer that can directly issue operation commands, usually a PC, and various information will be displayed on the screen of the upper computer. The upper computer uses asynchronous serial communication to realize the control of the lower computer. The lower computer refers to the computer that directly controls the equipment to obtain the status of the equipment, and is generally a single-chip microcomputer. The upper computer sends an operation command to the lower computer, and the lower computer interprets the operation command into a corresponding timing signal to directly control the corresponding equipment. In this step, the POS terminal can send the received base identification to the host computer in the parking lot management system.

Step 213 , the vehicle management device queries the vehicle ID corresponding to the base ID according to the pre-established correspondence between the base ID and the vehicle ID.

In this step, the vehicle identification may be the license plate number of the vehicle, or other identifications of the vehicle. Since a Bluetooth base can be pre-installed on each car, the corresponding relationship between the base ID and the vehicle ID can be established in advance, and the corresponding relationship between the base ID and the vehicle ID can be stored in the vehicle management device. After the device receives the base identifier sent by the Bluetooth base, it can query the vehicle identifier corresponding to the base identifier according to the correspondence between the base identifier and the vehicle identifier.

In step 214, the vehicle management device obtains the vehicle entry and exit information corresponding to the vehicle identification according to the vehicle identification.

In this step, when each car enters or leaves the parking lot, the vehicle management device can record the vehicle entry and exit information corresponding to the vehicle identification. For example, when a car with the vehicle identification "12345" enters the parking lot, the vehicle management device sets the vehicle entry and exit information of the car with the vehicle identification "12345" as the entry information; The management device sets the vehicle entry and exit information as exit information. In addition, if a certain car enters the parking lot for the first time, since the vehicle entry and exit information corresponding to the vehicle identification is not recorded in the vehicle management device, the vehicle entry and exit information can be set as null.

Step 215, the vehicle management device controls the entry and exit of the vehicle corresponding to the vehicle identification according to the vehicle entry and exit information.

In a specific embodiment of the present invention, the vehicle entry and exit information may be vehicle entry information or vehicle exit information. In this step, the vehicle management device controls the entry and exit of the vehicle corresponding to the vehicle identification according to the entry information or exit information of the vehicle. In a specific embodiment of the present invention, step 215 can be implemented in various ways, and FIG. 3 is a flow chart of the method for controlling vehicle approach in the present invention. As shown in Figure 3, in a specific embodiment of the present invention, step 215 can be implemented through the following steps:

Step 301 , the vehicle management device judges whether the vehicle entry and exit information corresponding to the vehicle identification is exit information, or the vehicle entry and exit information is empty; if so, execute step 302 ; otherwise, execute step 303 .

In this step, the vehicle management device can pre-save the correspondence between the vehicle identification and the vehicle entry and exit information. After the vehicle management device inquires the vehicle identification, it can obtain For the vehicle entry and exit information corresponding to the vehicle identification, it is judged whether the vehicle entry and exit information is exit information, or the vehicle entry and exit information is empty, if so, go to step 302; otherwise, go to step 303.

Step 302, the vehicle management device sends an approach control signal to the vehicle control device.

In this step, the vehicle management device may be an upper computer in the parking lot management system, and the vehicle control device may be a lower computer in the parking lot management system. Specifically, the upper computer can send an operation command to the lower computer to control the lower computer, and the lower computer completes the corresponding operation according to the operation command sent by the upper computer. In this step, after the vehicle control device receives the entry control signal sent by the vehicle management device, it opens the entry barrier so that the vehicle can enter the parking lot.

Step 303, the vehicle management device sends an approach warning signal.

In this step, if the vehicle entry and exit information is not exit information, and the vehicle entry and exit information is not empty, then the vehicle management device sends an entry warning signal to prompt the parking lot management personnel to enter and exit the vehicle corresponding to the vehicle identification Information error occurred.

According to the above description, it can be seen that through the above steps 301 to 303, the parking lot management device can control the entry of the vehicle corresponding to the vehicle identification. In addition, the vehicle management device can also control the exit of the vehicle corresponding to the vehicle identification according to the exit information of the vehicle. Fig. 4 is a flow chart of the method for controlling the exit of vehicles in the present invention. As shown in Figure 4, in a specific embodiment of the present invention, step 215 can also be implemented through the following steps:

Step 401 , the vehicle management device judges whether the vehicle entry and exit information is entry information; if yes, execute step 402 ; otherwise, execute step 403 .

Before this step, the POS terminal can also perform charging and settlement for the bank account corresponding to the information of the RFID card according to the received information of the RFID card, and after the POS terminal completes the charging and settlement, send a settlement completion instruction to the vehicle management device After the vehicle management device receives the settlement completion instruction sent by the POS terminal, it can obtain the vehicle entry and exit information corresponding to the vehicle identification according to the correspondence between the vehicle identification and the vehicle entry and exit information, and judge whether the vehicle entry and exit information is entry or exit information. Field information, if yes, go to step 402; otherwise, go to step 403.

Step 402, the vehicle management device sends an exit control signal to the vehicle control device.

In this step, the vehicle management device may be an upper computer in the parking lot management system, and the vehicle control device may be a lower computer in the parking lot management system. After the vehicle control device receives the exit control signal sent by the vehicle management device, it opens the exit barrier so that the vehicle can leave the parking lot.

Step 403, the vehicle management device sends out an exit warning signal.

In this step, if the vehicle entry and exit information is not entry information, or the vehicle entry and exit information is empty, the vehicle management device sends an exit alarm signal to prompt the parking lot management personnel to make an error in the vehicle entry and exit information corresponding to the vehicle identification .

In the RFID-based data transmission method proposed by the present invention, the Bluetooth base sends the RFID card information to the POS terminal through Bluetooth after receiving the RFID card information sent by the user terminal carrying the RFID card. Compared with the prior art, the RFID-based data transmission method proposed by the present invention can remotely send the information of the RFID card to the POS terminal; in addition, the method of the present invention is simple and convenient to implement and easy to popularize.

Fig. 5 is a schematic structural diagram of the Bluetooth base of the present invention. As shown in Figure 4, including:

The RFID contactless module 501 is used to receive the information of the RFID card sent by the user terminal carrying the radio frequency identification RFID card, and send the information of the RFID card to the Bluetooth transceiver module 502;

The Bluetooth transceiver module 502 is configured to send the received information of the RFID card to a receiving device via Bluetooth.

Further, the Bluetooth base also includes:

An infrared wake-up module 503, configured to receive a wake-up command sent by a remote infrared device, and send the wake-up command to the Bluetooth transceiver module 502;

The Bluetooth transceiver module 502 is further configured to switch from the sleep state to the wake-up state after receiving the wake-up command.

FIG. 6 is a schematic structural diagram of the POS terminal of the present invention. As shown in Figure 6, including:

The receiving module 601, the user receives the information of the radio frequency identification RFID card sent by the Bluetooth base, and sends the information of the RFID card to the authentication module 602;

The authentication module 602 is used to judge whether the RFID information has been pre-stored in the preset RFID card information library, if yes, the RFID card authentication is successful, otherwise, the RFID card authentication fails.

FIG. 7 is a schematic structural diagram of the RFID-based data transmission system of the present invention. As shown in Figure 7, including:

The Bluetooth base 701 is configured to receive the information of the RFID card sent by the user terminal carrying the radio frequency identification RFID card, and send the information of the RFID card to the receiving device 702;

The receiving device 702 is configured to receive the information of the RFID card sent by the Bluetooth base.

In the RFID-based data transmission system proposed by the present invention, the RFID contactless module receives the information of the RFID card sent by the user terminal carrying the RFID card, and then sends the information of the RFID card to the receiving device through Bluetooth. Compared with the prior art, the RFID-based data transmission system proposed by the present invention can transmit the information of the RFID card to the receiving device remotely; in addition, the method of the present invention is simple and convenient to implement and easy to popularize.

For the specific working process of the device embodiment shown in FIG. 5 and FIG. 6 , please refer to the corresponding description in the method embodiment shown in FIG. 2 , and details will not be repeated here.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.

Claims (11)

1. the data transmission method based on RFID is characterized in that, comprising:

The bluetooth pedestal receives the information of the rfid card of the user terminal transmission that carries the radio frequency discrimination RFID card;

Described bluetooth pedestal sends to receiving equipment with the information of described rfid card by bluetooth.

2. method according to claim 1 is characterized in that, before the information of the rfid card that described bluetooth pedestal reception user terminal sends, also comprises:

The wake command that described bluetooth pedestal receiving remote infrared equipment sends;

Described bluetooth pedestal is transformed into wake-up states from resting state after receiving described wake command.

3. method according to claim 2 is characterized in that, described receiving equipment is point of sale POS terminal.

4. method according to claim 3 is characterized in that, also comprises:

Whether the information of the described RFID of described POS terminal judges is kept in the information bank of the rfid card that sets in advance in advance, if, the rfid card authentication success, otherwise, the rfid card authentification failure.

5. method according to claim 4 is characterized in that, also comprises:

Described bluetooth pedestal sends to described POS terminal with the pedestal sign of described bluetooth pedestal by bluetooth;

Described POS terminal sends to vehicle management equipment with described pedestal sign;

Described vehicle management equipment is according to the corresponding relation of the described pedestal sign of setting up in advance with vehicles identifications, the described vehicles identifications that inquiry is corresponding with described pedestal sign;

Described vehicle management equipment obtains the vehicle turnover field information corresponding with described vehicles identifications according to described vehicles identifications;

Described vehicle management equipment passes in and out a control according to described vehicle turnover field information to the vehicle corresponding with described vehicles identifications.

6. method according to claim 5 is characterized in that, described vehicle management equipment is according to described vehicle turnover field information, to the vehicle corresponding with the described vehicles identifications control of marching into the arena, comprising:

A, described vehicle management equipment are judged vehicle turnover field information whether for going out field information, or whether described vehicle turnover field information be empty, if, execution in step B, otherwise, execution in step C;

B, described vehicle management equipment send the control signal of marching into the arena to vehicle control apparatus;

C, described vehicle management equipment send the alarm signal of marching into the arena.

7. method according to claim 5 is characterized in that, described vehicle management equipment is according to described vehicle turnover field information, to the vehicle corresponding with the described vehicles identifications control that appears on the scene, also comprises:

A, described vehicle management equipment judge whether vehicle turnover field information is the information of marching into the arena, if, execution in step B, otherwise, execution in step C;

B, described vehicle management equipment send the appearance control signal to described vehicle control apparatus;

C, described vehicle management equipment send the appearance alarm signal.

8. a bluetooth pedestal is characterized in that, comprising:

The non-connection module of RFID be used for to receive the information of the rfid card that the user terminal that carries the radio frequency discrimination RFID card sends, and the information of described rfid card is sent to the bluetooth transceiver module;

Described bluetooth transceiver module, the information that is used for the described rfid card that will receive sends to receiving equipment by bluetooth.

9. bluetooth pedestal according to claim 8 is characterized in that, also comprises:

Infrared wake module is used for the wake command that the receiving remote infrared equipment sends, and described wake command is sent to described bluetooth transceiver module;

Described bluetooth transceiver module also is used for being transformed into wake-up states from resting state after receiving described wake command.

10. a point of sale POS terminal is characterized in that, comprising:

Receiver module, the user receives the information that the bluetooth pedestal sends the radio frequency discrimination RFID card, and the information of described rfid card is sent to authentication module;

Described authentication module is used for judging whether the information of described RFID is kept at the information bank of the rfid card that sets in advance in advance, if, the rfid card authentication success, otherwise, the rfid card authentification failure.

11. the data transmission system based on RFID is characterized in that, comprising:

The bluetooth pedestal be used for to receive the information of the rfid card that the user terminal that carries the radio frequency discrimination RFID card sends, and the information of described rfid card is sent to receiving equipment;

Described receiving equipment is for the information of the described rfid card that receives described bluetooth pedestal transmission.

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