CN106529630A - Wearable RFID reader-writer and data reading method and device - Google Patents

Abstract

The invention discloses a wearable RFID reader-writer and a data reading method and device. Wherein, the wearable RFID reader includes: RFID read-write module, used to read the data in the RFID tag; mobile terminal. The invention solves the technical problem that the RFID reader-writer in the related art adopts a cable mode for data communication, which will reduce the working efficiency of the RFID reader-writer.

Description

Wearable RFID reader and data reading method and device

technical field

The invention relates to the field of wireless communication, in particular to a wearable RFID reader-writer and a data reading method and device.

Background technique

At present, the environment of the power operation and maintenance construction site is complex and changeable. The staff need to carry a lot of electronic auxiliary equipment, and sometimes need to operate two or more equipment at the same time to complete the operation and maintenance work. The staff brought enormous physical and mental stress.

Traditional RFID readers are large in size, and the data communication is in the form of cables. In actual use and operation, it is generally necessary to carry a computer as a data processing unit, which will cause the on-site staff to carry a lot of equipment to complete. Work, this will undoubtedly increase the burden on the staff and reduce the work efficiency.

Aiming at the problem that the RFID reader-writer in the related art adopts cable mode for data communication, which will reduce the work efficiency of the RFID reader-writer, no effective solution has been proposed yet.

Contents of the invention

The embodiment of the present invention provides a wearable RFID reader-writer and a data reading method and device, to at least solve the problem that the RFID reader-writer in the related art adopts cable mode for data communication, which will reduce the work of the RFID reader-writer Technical issues of efficiency.

According to an aspect of the embodiments of the present invention, a wearable RFID reader is provided, including: an RFID read-write module for reading data in an RFID tag; and a Bluetooth module connected with the RFID read-write module for The data in the read RFID tag is transmitted to the mobile terminal.

Further, the wearable RFID reader also includes: an acceleration sensor connected to the Bluetooth module for monitoring the motion state of the wearable RFID reader; When the reader is in a static state, the wearable RFID reader is controlled to enter the sleep mode, and when the acceleration sensor detects that the wearable RFID reader is in motion, the wearable RFID reader is controlled to exit the sleep mode.

According to another aspect of the embodiment of the present invention, there is also provided a data reading method, the method uses any wearable RFID reader in the embodiment of the present invention to read data, the method includes: using RFID to read and write The module reads the data in the RFID tag; and transmits the read data in the RFID tag to the mobile terminal using the bluetooth module.

Further, before using the RFID read-write module to read the data in the RFID tag, the method also includes: using an acceleration sensor to monitor the motion state of the wearable RFID reader-writer; Under the condition, control the wearable RFID reader-writer to enter the sleep mode; when the wearable RFID reader-writer is detected to be in a motion state, control the wearable RFID reader-writer to exit the sleep mode.

Further, using the acceleration sensor to monitor the motion state of the wearable RFID reader includes: judging whether the acceleration value measured by the acceleration sensor changes within a predetermined time; if the acceleration value measured by the acceleration sensor does not change within a predetermined time In this case, it is determined that the wearable RFID reader-writer is in a static state; when the acceleration value measured by the acceleration sensor changes within a predetermined time, it is determined that the wearable RFID reader-writer is in a motion state.

Further, after transmitting the read data in the RFID tag to the mobile terminal using the Bluetooth module, the method further includes: displaying the data in the RFID tag in the mobile terminal.

According to another aspect of the embodiment of the present invention, there is also provided a data reading device, the device is set in any wearable RFID reader in the embodiment of the present invention, the device includes: a reading unit, used The RFID reading and writing module is used to read the data in the RFID tag; and the transmission unit is used to transmit the read data in the RFID tag to the mobile terminal using the Bluetooth module.

Further, the device also includes: a monitoring unit, used for using an acceleration sensor to monitor the motion state of the wearable RFID reader-writer before using the RFID read-write module to read the data in the RFID tag; When it is detected that the wearable RFID reader is in a static state, control the wearable RFID reader to enter the sleep mode; the second control unit is used to control the wearable RFID reader when it is detected that it is in motion. The wearable RFID reader exits sleep mode.

Further, the monitoring unit includes: a judging module, configured to judge whether the acceleration value measured by the acceleration sensor changes within a predetermined time; a first determination module, configured to determine whether the acceleration value measured by the acceleration sensor does not change within a predetermined time In the case that the wearable RFID reader-writer is in a static state; the second determination module is used to determine that the wearable RFID reader-writer is in a motion state when the acceleration value measured by the acceleration sensor changes within a predetermined time .

Further, the device further includes: a display unit, used for displaying the data in the RFID tag on the mobile terminal after the read data in the RFID tag is transmitted to the mobile terminal through the Bluetooth module.

In the embodiment of the present invention, the wearable RFID reader-writer includes: an RFID read-write module, used to read the data in the RFID tag; The data in the RFID reader is transmitted to the mobile terminal. By combining the RFID reader with the wearable device and using Bluetooth to transmit the data read by the RFID reader to the mobile terminal, the volume of the RFID reader is reduced. The purpose of Bluetooth for data communication, and then solve the technical problem that the RFID reader-writer in the related art uses a cable method for data communication, which will reduce the working efficiency of the RFID reader-writer, thereby realizing the improvement of the working efficiency of the RFID reader-writer technical effect.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is a schematic diagram of a wearable RFID reader-writer according to an embodiment of the present invention;

Fig. 2 is the schematic diagram of the usage example of the wearable RFID reader-writer according to the embodiment of the present invention;

Fig. 3 is the flowchart of the data reading method according to the embodiment of the present invention; And

Fig. 4 is a schematic diagram of a data reading device according to an embodiment of the present invention.

detailed description

In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

First of all, some nouns or terms appearing in the process of describing the embodiments of the present invention are applicable to the following explanations:

RFID: radio frequency identification technology, is a communication technology that can identify a specific target through radio signals and read and write related data without the need for mechanical or optical contact between the identification system and the specific target.

According to an embodiment of the present invention, an embodiment of a wearable RFID reader is provided. It should be noted that the wearable RFID reader-writer in the embodiment of the present invention may be in the form of a watch, a necklace, or the like. The wearable RFID reader-writer in the embodiment of the present invention is introduced below by taking a watch as an example.

Fig. 1 is a schematic diagram of a wearable RFID reader-writer according to an embodiment of the present invention. As shown in Fig. 1, the wearable RFID reader-writer may include:

The RFID read-write module is used to read the data in the RFID tag.

It should be noted that the main function of the RFID reading and writing module is to read and write the data in the RFID tag through the antenna, and then transmit the read data to the Bluetooth low energy module through the serial port. The RFID read-write module can adopt ultra-miniature UHF RFID reader-writer core components, which integrate PLL, transmitting, receiving, coupler and MCU and other components. The working frequency of the RFID read-write module is 840-930MHz, and the protocol supported by the RFID read-write module is EPC C1 GEN2/ISO 18000-6C.

The bluetooth module is connected with the RFID reading and writing module, and is used for transmitting the data in the read RFID tag to the mobile terminal.

It should be noted that the bluetooth module can be a low-power bluetooth module, and the main function of the bluetooth module is to transmit the data read and written from the RFID read-write module to mobile terminals, such as mobile phones, tablet computers, etc. The watch master CPU coordinates and processes events of each module.

Optionally, the wearable RFID reader-writer in the embodiment of the present invention may also include the following parts in addition to the above-mentioned RFID read-write module and the Bluetooth module:

Power management module, the power management module is mainly responsible for the power supply and battery charging management of the whole system.

Acceleration sensor module, the main function of the acceleration sensor module is to dynamically monitor the movement status of the watch in real time. When the watch is detected to be in a static state, the watch will enter the sleep mode, and when the watch is in the sleep mode, it will exit the sleep mode after detecting the movement of the watch. .

Antenna, the antenna part can be divided into Bluetooth antenna and RFID antenna, and their function is to receive and transmit radio frequency signals.

The system function realization of the wearable RFID reader-writer in the embodiment of the present invention can be described as:

As shown in Figure 2, mobile phones (mobile terminals) and smart RFID read-write watches (wearable RFID readers) are carried by field workers. You can put the watch close to the tag, if the reading and writing is successful, the watch will give a feedback prompt with vibration or sound, and at the same time the watch will transmit the data to the mobile phone.

It should be noted that, in order to reduce the power consumption of the system, after the watch is turned on, it will detect the movement state of the watch in real time through the acceleration sensor. When the watch is not worn, the measured acceleration value is a constant value. After a period of time, the watch will It will enter the sleep mode; when the watch is worn, the value measured by the acceleration sensor will change, and the watch will switch from the sleep mode to the normal working mode. Through this mechanism, the standby time of the watch can be greatly extended.

The wearable RFID reader-writer in the embodiment of the present invention miniaturizes and intelligentizes the electronic auxiliary equipment, that is, combines the wearable smart device with the RFID card reader, such as a smart RFID card-reading watch. Establish a connection with the mobile phone. When reading the card, you only need to put the watch close to the tag, and the data in the tag will be read out, and then transmitted to the mobile phone through Bluetooth. The previous cumbersome operation steps can now be completed with a mobile phone. .

The embodiment of the present invention combines the RFID reader-writer with a wearable device, and uses Bluetooth to transmit the data read by the RFID reader-writer to the mobile terminal, thereby reducing the size of the RFID reader-writer and using Bluetooth for data communication. The purpose of this method is to further solve the technical problem that the RFID reader-writer in the related art adopts a cable method for data communication, which will reduce the working efficiency of the RFID reader-writer, thereby achieving the technical effect of improving the working efficiency of the RFID reader-writer.

According to the embodiment of the present invention, a method embodiment of a data reading method is provided. It should be noted that the data reading method in the embodiment of the present invention can use any wearable RFID read-write method in the embodiment of the present invention The device reads the data. It should also be noted that the steps shown in the flowcharts of the accompanying drawings can be performed in a computer system, such as a set of computer-executable instructions, and that although a logical order is shown in the flowcharts, in some cases , the steps shown or described may be performed in a different order than here.

Fig. 3 is a flowchart of a data reading method according to an embodiment of the present invention, as shown in Fig. 3, the method includes the following steps:

Step S102, using the RFID read-write module to read the data in the RFID tag;

Step S104, transmit the read data in the RFID tag to the mobile terminal using the bluetooth module.

Through the above steps, it is possible to transmit the data read by the RFID reader to the mobile terminal using Bluetooth, thereby achieving the purpose of reducing the size of the RFID reader and using Bluetooth for data communication, thereby solving the problem of RFID in related technologies. The reader uses the cable mode for data communication, which will reduce the technical problem of the working efficiency of the RFID reader, thereby achieving the technical effect of improving the working efficiency of the RFID reader.

In the scheme provided in step S102, the main function of the RFID read-write module is to read and write the data in the RFID tag through the antenna, and then transmit the read data to the Bluetooth low energy module through the serial port. The RFID read-write module can adopt ultra-miniature UHF RFID reader-writer core components, which integrate PLL, transmitting, receiving, coupler and MCU and other components. The working frequency of the RFID read-write module is 840-930MHz, and the protocol supported by the RFID read-write module is EPC C1 GEN2/ISO 18000-6C. The data in the RFID chip can be read by using the RFID read-write module.

In the solution provided in step S104, the bluetooth module can be a low-power bluetooth module, and the main function of the bluetooth module is to transmit the data read and written from the RFID read-write module to mobile terminals, such as mobile phones, tablet computers, etc., through bluetooth. , and at the same time as the main control CPU of the watch to coordinate and process events of each module.

As an optional embodiment, before using the RFID read-write module to read the data in the RFID tag, this embodiment may also include: using an acceleration sensor to monitor the motion state of the wearable RFID reader-writer; When the RFID reader is in a static state, the wearable RFID reader is controlled to enter the sleep mode; when the wearable RFID reader is detected to be in a motion state, the wearable RFID reader is controlled to exit the sleep mode.

Optionally, using the acceleration sensor to monitor the motion state of the wearable RFID reader-writer may include: judging whether the acceleration value measured by the acceleration sensor changes within a predetermined time; In the case of a change, it is determined that the wearable RFID reader is in a static state; when the acceleration value measured by the acceleration sensor changes within a predetermined time, it is determined that the wearable RFID reader is in a motion state.

It should be noted that the scheduled time can be set according to actual needs, and is not specifically limited here. The embodiment of the present invention utilizes the acceleration sensor to monitor the motion state of the wearable RFID reader-writer, controls the wearable RFID reader-writer to enter the sleep mode when the wearable RFID reader-writer is in a static state, and controls the wearable RFID reader-writer to enter the dormant mode when the wearable RFID reader-writer is in a motion state Timely control the wearable RFID reader to exit the sleep mode, which can reduce the power consumption of the wearable RFID reader, prolong the standby time of the wearable RFID reader, and then achieve the purpose of improving the user experience.

As an optional embodiment, after transmitting the read data in the RFID tag to the mobile terminal using the Bluetooth module, this embodiment may further include: displaying the data in the RFID tag in the mobile terminal.

It should be noted that displaying the data in the RFID tag read by the wearable RFID reader in the mobile terminal can enable the user to obtain the data in the RFID tag intuitively and clearly, so as to improve the user experience. Purpose.

According to the embodiment of the present invention, a data reading device embodiment is also provided. It should be noted that the data reading device can be used to execute the data reading method in the embodiment of the present invention. The data reading method can be executed in the data reading device. It should also be noted that the data reading device in the embodiment of the present invention can be set in any wearable RFID reader-writer in the above-mentioned embodiments of the present invention.

Fig. 4 is a schematic diagram of a data reading device according to an embodiment of the present invention. As shown in Fig. 4, the device may include:

The reading unit 12 is used to read the data in the RFID tag by using the RFID read-write module; and the transmission unit 14 is used to transmit the read data in the RFID tag to the mobile terminal by using the Bluetooth module.

It should be noted that the reading unit 12 in this embodiment can be used to execute step S102 in the embodiment of the present application, and the transmission unit 14 in this embodiment can be used to execute step S104 in the embodiment of the present application. The examples and application scenarios implemented by the above modules and corresponding steps are the same, but are not limited to the content disclosed in the above embodiments.

As an optional embodiment, this embodiment may also include: a monitoring unit, configured to use an acceleration sensor to monitor the motion state of the wearable RFID reader-writer before using the RFID read-write module to read the data in the RFID tag; The first control unit is used to control the wearable RFID reader-writer to enter the sleep mode when the wearable RFID reader-writer is detected to be in a static state; the second control unit is used to monitor the wearable RFID reader-writer In the case of motion, control the wearable RFID reader to exit the sleep mode.

Optionally, the monitoring unit includes: a judging module, configured to judge whether the acceleration value measured by the acceleration sensor changes within a predetermined time; a first determination module, configured to determine whether the acceleration value measured by the acceleration sensor changes within a predetermined time In the case of a change, it is determined that the wearable RFID reader is in a static state; the second determination module is used to determine that the wearable RFID reader is in motion when the acceleration value measured by the acceleration sensor changes within a predetermined time state.

As an optional embodiment, this embodiment may also include: a display unit, which is used to display the data in the RFID tag on the mobile terminal after the data in the read RFID tag is transmitted to the mobile terminal using the Bluetooth module displayed in .

Through the above modules, the volume of the RFID reader is reduced and the purpose of using Bluetooth for data communication is achieved, and then the RFID reader in the related art uses a cable for data communication, which will reduce the work of the RFID reader The technical problem of efficiency, thereby realizing the technical effect of improving the working efficiency of the RFID reader.

The serial numbers of the above embodiments of the present invention are for description only, and do not represent the advantages and disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be realized in other ways. Wherein, the device embodiments described above are only illustrative. For example, the division of the units may be a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or may be Integrate into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of units or modules may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on such an understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in various embodiments of the present invention. The aforementioned storage media include: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes. .

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (10)

1. A wearable RFID reader, characterized in that, comprising: RFID read-write module, for reading the data in the RFID label; And The bluetooth module is connected with the RFID reading and writing module, and is used to transmit the read data in the RFID tag to the mobile terminal. 2. the wearable RFID reader-writer according to claim 1, is characterized in that, described wearable RFID reader-writer also comprises: An acceleration sensor, connected with the bluetooth module, is used to monitor the motion state of the wearable RFID reader; Wherein, the Bluetooth module is used to control the wearable RFID reader to enter the sleep mode when the acceleration sensor detects that the wearable RFID reader is in a static state, and when the acceleration sensor detects that the When the wearable RFID reader-writer is in a motion state, the wearable RFID reader-writer is controlled to exit the sleep mode. 3. A data reading method, characterized in that, the method utilizes the wearable RFID reader-writer according to claim 1 or 2 to read data, and the method comprises: Utilize the RFID read-write module to read the data in the RFID tag; and The read data in the RFID tag is transmitted to the mobile terminal using the bluetooth module. 4. method according to claim 3, is characterized in that, before described utilizing RFID read-write module to read the data in the RFID tag, described method also comprises: Utilize an acceleration sensor to monitor the motion state of the wearable RFID reader; When it is detected that the wearable RFID reader-writer is in a static state, control the wearable RFID reader-writer to enter a sleep mode; When it is detected that the wearable RFID reader-writer is in a motion state, the wearable RFID reader-writer is controlled to exit the sleep mode. 5. The method according to claim 4, wherein the monitoring of the motion state of the wearable RFID reader by using an acceleration sensor comprises: judging whether the acceleration value measured by the acceleration sensor changes within a predetermined time; If the acceleration value measured by the acceleration sensor does not change within the predetermined time, it is determined that the wearable RFID reader is in a static state; If the acceleration value measured by the acceleration sensor changes within the predetermined time, it is determined that the wearable RFID reader is in a motion state. 6. The method according to claim 3, characterized in that, after the data in the RFID tag read is transmitted to the mobile terminal using the bluetooth module, the method further comprises: The data in the RFID tag is displayed in the mobile terminal. 7. A data reading device, characterized in that, said device is arranged in the wearable RFID reader-writer according to claim 1 or 2, said device comprising: The reading unit is used to utilize the RFID read-write module to read the data in the RFID tag; and The transmission unit is used to transmit the read data in the RFID tag to the mobile terminal by using the bluetooth module. 8. The device according to claim 7, further comprising: A monitoring unit, used to monitor the motion state of the wearable RFID reader-writer by using an acceleration sensor before using the RFID read-write module to read the data in the RFID tag; A first control unit, configured to control the wearable RFID reader to enter a dormant mode when it is detected that the wearable RFID reader is in a static state; The second control unit is configured to control the wearable RFID reader to exit the dormant mode when it is detected that the wearable RFID reader is in a motion state. 9. The device according to claim 8, wherein the monitoring unit comprises: A judging module, configured to judge whether the acceleration value measured by the acceleration sensor changes within a predetermined time; A first determination module, configured to determine that the wearable RFID reader-writer is in a static state when the acceleration value measured by the acceleration sensor does not change within the predetermined time; The second determination module is configured to determine that the wearable RFID reader-writer is in a motion state when the acceleration value measured by the acceleration sensor changes within the predetermined time. 10. The device according to claim 7, further comprising: The display unit is used for displaying the data in the RFID tag in the mobile terminal after the read data in the RFID tag is transmitted to the mobile terminal by using the bluetooth module.