CN116600274A - Data updating method for Bluetooth electronic price tag - Google Patents

Abstract

The invention relates to a data updating method of a Bluetooth electronic price tag, which belongs to the technical field of electronic price tags and comprises a Bluetooth SoC, a wake-up signal receiving module, a main control module, a display module, a wireless communication module, a short-distance communication module, a response module and a fusion processing module, wherein the Bluetooth SoC also comprises a radio frequency module, a protocol stack and a change-over switch; and the response efficiency of the electronic price tag can be improved through the short-distance communication module, and the service instructions which are received in different modes and have the same service types and overlapped effective duration are subjected to fusion processing, so that the response module responds simultaneously according to the control parameters after the fusion processing.

Description

Data updating method for Bluetooth electronic price tag

Technical Field

The invention relates to the technical field of electronic price tags, in particular to a data updating method of a Bluetooth electronic price tag.

Background

Along with the development of new retail in China, the application of electronic price tags in retail industries such as supermarkets, convenience stores and pharmacies is becoming more and more important, a large number of retailers begin to use electronic price tags to replace traditional paper price tags so as to realize accurate display and quick update of commodity prices, and in the prior art, the electronic price tags generally comprise an MCU, a communication module, a display screen and other auxiliary devices, and are connected with a special AP of a data access point through the communication module so as to acquire display data of the electronic price tags from the special AP, thereby realizing data display and update of the electronic price tags. In the process of establishing a connection between an electronic price tag and a private AP, it mainly uses a private communication protocol based on 2.4G open frequency.

The prior art has the following defects:

(1) At present, the electronic price tag needs to be in a receiving state continuously so as to be convenient for receiving the price information updated by the server system, so that the electronic price tag has higher power consumption, higher resource waste and higher use cost.

(2) Only Bluetooth is used as a communication means to realize the communication between the electronic price tag and the data access terminal AP, but the connection with the smart phone is not realized, so that the overall architecture of the system is not changed; 2. the Bluetooth BLE equipment is difficult to connect when the broadcasting period exceeds 2 seconds, and the broadcasting frequency is too high for the power consumption of the electronic price tag; 3. bluetooth communication is connection-oriented, and the time of each connection is longer, and when the number of updated electronic price tags is greater, the efficiency of bluetooth data communication is lower.

(3) At present, an electronic price tag generally only receives a single service instruction to control the flickering of an indicator lamp, the information display of a display screen or the configuration of system parameters, when a plurality of service instructions are used for controlling the same electronic price tag, the later received service instruction is generally covered with the previous executing instruction in order to prevent the response confusion of the electronic price tag, or the electronic price tag is subjected to sequencing response according to the priority from the plurality of service instructions, so that the response of the electronic price tag to the plurality of service instructions is delayed or not executed, and the working efficiency of store staff and the experience of customers are affected.

Disclosure of Invention

The invention aims to provide a data updating method of a Bluetooth electronic price tag, which aims to solve the problems in the background technology.

The technical scheme of the invention is as follows: the system comprises a Bluetooth SoC, a wake-up signal receiving module, a main control module, a display module, a wireless communication module, a short-distance communication module, a response module, a fusion processing module, a radio frequency module, a protocol stack and a change-over switch, wherein the Bluetooth SoC is connected with the main control module;

the Bluetooth SoC is used for establishing communication connection with other Bluetooth devices so as to acquire the update information of the Bluetooth electronic price tag;

the Bluetooth SoC is integrated with a radio frequency module for Bluetooth communication and a protocol stack capable of Bluetooth development;

the wake-up signal receiving module is in data connection with the main control module and is used for periodically detecting a wake-up signal, and when the wake-up signal has a label corresponding to the electronic price tag, the main control module is waken;

the display module is used for displaying information of the Bluetooth electronic price tag;

the display module is in data connection with the main control module, and the main control module is used for sending the stored electronic information to the display module for storage and display;

the wireless communication module and the short-distance communication module are in data connection with the main control module, and the wireless communication module and the short-distance communication module are used for establishing communication connection with the gateway so as to realize data interaction between the main control module and the gateway;

the wireless communication module receives at least one first service instruction sent by the server through the base station, and the short-distance communication module receives at least one second service instruction sent by the mobile terminal;

the fusion processing module is used for carrying out fusion processing on the at least one first service instruction and the at least one second service instruction which are identical in service type and have effective duration overlapping;

the response module responds simultaneously according to the control parameters after the fusion processing;

the fusion processing module stores first service data in the first service instruction in a storage unit of the short-distance communication module, so that the mobile terminal obtains the first service data through the short-distance communication module;

the change-over switch is used for realizing the switching of the dual-mode communication mode of the Bluetooth electronic price tag.

Further, each service instruction comprises a total effective duration of the service instruction in effect, and the fusion processing module obtains that the effective durations of the at least one first service instruction and the at least one second service instruction overlap according to the issuing time of each service instruction and the total effective duration of each service instruction; wherein the effective durations overlap to be durations in which both the at least one first service instruction and the at least one second service instruction are effective in the same time period.

Further, the fusion processing module stores second service data in the second service instruction in a storage unit of the wireless communication module, and the wireless communication module uploads the second service data to the base station, so that the base station uploads the second service data to the server.

Further, the protocol stack comprises a first custom protocol or a second custom protocol obtained after the development of the Bluetooth L2CAP layer or the HCI layer, the second custom protocol is used for skipping the Bluetooth connection process to realize connectionless Bluetooth communication, and the protocol stack further comprises a standard Bluetooth protocol used for realizing standard Bluetooth communication.

Further, the display device is an electronic paper display screen EPD or a liquid crystal display screen LCD.

Further, the wireless communication module comprises a Bluetooth unit, a wifi unit, a private protocol and a zigbee communication interface, and the short-distance communication module comprises an NFC or/and RFID communication interface.

A Bluetooth electronic price tag data updating method comprises the following steps:

step one, periodically detecting whether a wake-up signal exists or not through the wake-up signal receiving module;

if the wake-up signal is provided, analyzing whether the wake-up signal contains a corresponding tag or not through the wake-up signal receiving module;

step three, if the tag is included, entering a data acquisition state; the data acquisition state is a state after the main control module is awakened;

step four, acquiring corresponding target data in the gateway based on the wireless communication module and the short-distance communication module in the data acquisition state;

step five, the wireless communication module receives at least one first service instruction sent by a server through a base station, and the short-distance communication module receives at least one second service instruction sent by a mobile terminal;

step six, the fusion processing module carries out fusion processing on the at least one first service instruction and the at least one second service instruction which are identical in service type and have effective duration overlapping, so that the response module responds simultaneously according to the control parameters after the fusion processing; each service instruction comprises the total effective duration of the service instruction in effect, and the fusion processing module obtains the overlapping of the effective durations of the at least one first service instruction and the at least one second service instruction according to the issuing time of each service instruction and the total effective duration of each service instruction; wherein the effective duration overlaps with a duration in which both the at least one first service instruction and the at least one second service instruction are effective in the same time period;

step seven, the wireless communication module and the short-distance communication module acquire the MAC address of the electronic price tag of the data to be updated from the server;

step eight, the wireless communication module and the short-distance communication module directionally receive an ADV_IND packet sent by the electronic price tag of the data to be updated according to the MAC address so as to improve the communication efficiency of Bluetooth communication, wherein the electronic price tag sends the ADV_IND packet at a time interval of more than 30 seconds and less than 300 seconds;

step nine, the wireless communication module and the short-distance communication module send a SCAN_REQ packet to an electronic price sign corresponding to the received ADV_IND packet, wherein the SCAN_REQ packet comprises update information for updating display information of the electronic price sign;

and step ten, updating the target data into the main control module, and sending the target data to the display module for storage and display through the main control module.

The invention provides a data updating method of a Bluetooth electronic price tag by improving the method, which has the following improvement and advantages compared with the prior art:

according to the invention, the wireless communication module and the short-distance communication module of the electronic price tag can receive the service instruction, and the electronic price tag can be controlled in various modes, so that the operation convenience is brought to store staff and customers; the invention can realize that the main control module is in a receiving state only when needed, thereby reducing the power consumption, saving the resources and reducing the cost.

Drawings

The invention is further explained below with reference to the drawings and examples:

FIG. 1 is a block diagram of a Bluetooth electronic price tag according to the present invention;

Detailed Description

The following detailed description of the present invention, taken in conjunction with the accompanying drawings, will clearly and fully describe the technical solutions of the embodiments of the present invention, it being evident that the described embodiments are only some, but not all, embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides a data updating method of a Bluetooth electronic price tag by improving the method, which comprises a Bluetooth SoC, a wake-up signal receiving module, a main control module, a display module, a wireless communication module, a short-distance communication module, a response module, a fusion processing module, a Bluetooth SoC, a radio frequency module, a protocol stack and a change-over switch, wherein the Bluetooth SoC is provided with the data updating method;

the Bluetooth SoC is used for establishing communication connection with other Bluetooth devices to acquire update information of the Bluetooth electronic price tag;

the Bluetooth SoC is integrated with a radio frequency module for Bluetooth communication and a protocol stack capable of Bluetooth development;

the wake-up signal receiving module is in data connection with the main control module and is used for periodically detecting a wake-up signal, and when the wake-up signal has a label corresponding to the electronic price tag, the main control module is awakened;

the display module is used for displaying information of the Bluetooth electronic price tag;

the display module is in data connection with the main control module, and the main control module is used for sending the stored electronic information to the display module for storage and display;

the wireless communication module and the short-distance communication module are in data connection with the main control module, and the wireless communication module and the short-distance communication module are used for establishing communication connection with the gateway so as to realize data interaction between the main control module and the gateway;

the wireless communication module receives at least one first service instruction sent by the server through the base station, and the short-distance communication module receives at least one second service instruction sent by the mobile terminal;

the fusion processing module is used for carrying out fusion processing on at least one first service instruction and at least one second service instruction which are identical in service type and have overlapping effective duration;

the response module responds simultaneously according to the control parameters after the fusion processing;

the fusion processing module stores first service data in the first service instruction in a storage unit of the short-distance communication module, so that the mobile terminal obtains the first service data through the short-distance communication module;

and the change-over switch is used for realizing the switching of the dual-mode communication mode of the Bluetooth electronic price tag.

Each service instruction comprises the total effective duration of the service instruction in effect, and the fusion processing module obtains the overlapping of the effective durations of at least one first service instruction and at least one second service instruction according to the issuing time of each service instruction and the total effective duration of each service instruction; wherein the effective durations overlap to be durations in which at least one first service instruction and at least one second service instruction are both effective in the same time period.

And the fusion processing module stores the second service data in the second service instruction in a storage unit of the wireless communication module, and the wireless communication module uploads the second service data to the base station so that the base station uploads the second service data to the server.

The protocol stack comprises a first custom protocol or a second custom protocol obtained after the development of the Bluetooth L2CAP layer or the HCI layer, the second custom protocol is used for skipping the Bluetooth connection process to realize connectionless Bluetooth communication, and the protocol stack also comprises a standard Bluetooth protocol used for realizing standard Bluetooth communication.

The display device is an electronic paper display screen EPD or a liquid crystal display screen LCD.

The wireless communication module comprises a Bluetooth unit, a wifi unit, a private protocol and a zigbee communication interface, and the short-distance communication module comprises an NFC or/and RFID communication interface.

A Bluetooth electronic price tag data updating method comprises the following steps:

step one, periodically detecting whether a wake-up signal exists or not through a wake-up signal receiving module;

if the wake-up signal is provided, analyzing whether the wake-up signal contains a corresponding tag or not through a wake-up signal receiving module;

step three, if the tag is included, entering a data acquisition state; the data acquisition state is a state after the main control module is awakened;

step four, acquiring corresponding target data in the gateway based on the wireless communication module and the short-distance communication module in a data acquisition state;

step five, the wireless communication module receives at least one first service instruction sent by the server through the base station, and the short-distance communication module receives at least one second service instruction sent by the mobile terminal;

step six, the fusion processing module carries out fusion processing on at least one first service instruction and at least one second service instruction which are identical in service type and have effective time overlapping, so that the response module responds simultaneously according to the control parameters after the fusion processing; each service instruction comprises the total effective duration of the service instruction in effect, and the fusion processing module obtains the overlapping of the effective durations of at least one first service instruction and at least one second service instruction according to the issuing time of each service instruction and the total effective duration of each service instruction; wherein the effective time length overlaps to be the time length that at least one first service instruction and at least one second service instruction are effective in the same time period;

step seven, the wireless communication module and the short-distance communication module acquire the MAC address of the electronic price tag of the data to be updated from the server;

step eight, the wireless communication module and the short-distance communication module directionally receive an ADV_IND packet sent by an electronic price tag of data to be updated according to the MAC address so as to improve the communication efficiency of Bluetooth communication, wherein the electronic price tag sends the ADV_IND packet at a time interval of more than 30 seconds and less than 300 seconds;

step nine, the wireless communication module and the short-distance communication module send a SCAN_REQ packet to the electronic price sign corresponding to the received ADV_IND packet, wherein the SCAN_REQ packet comprises update information for updating the display information of the electronic price sign;

and step ten, updating the target data into the main control module, and sending the target data to the display module for storage and display through the main control module.

Working principle: firstly, periodically detecting whether a wake-up signal exists or not through a wake-up signal receiving module, if the wake-up signal exists, analyzing whether the wake-up signal contains a corresponding tag or not through the wake-up signal receiving module, and if the wake-up signal contains the tag, entering a data acquisition state; the data acquisition state is a state after the main control module is awakened, corresponding target data in the gateway is acquired based on the wireless communication module and the short-distance communication module in the data acquisition state, the wireless communication module receives at least one first service instruction sent by the server through the base station, the short-distance communication module receives at least one second service instruction sent by the mobile terminal, the fusion processing module carries out fusion processing on the at least one first service instruction and the at least one second service instruction which are identical in service type and have effective duration overlapping, and the response module responds simultaneously according to the control parameters after the fusion processing; each service instruction comprises the total effective duration of the service instruction in effect, and the fusion processing module obtains the overlapping of the effective durations of at least one first service instruction and at least one second service instruction according to the issuing time of each service instruction and the total effective duration of each service instruction; the wireless communication module and the short-distance communication module acquire the MAC address of an electronic price tag of data to be updated from a server, the wireless communication module and the short-distance communication module directionally receive an ADV_IND packet sent by the electronic price tag of the data to be updated according to the MAC address so as to improve the communication efficiency of Bluetooth communication, the electronic price tag sends the ADV_IND packet at a time interval of more than 30 seconds and less than 300 seconds, the wireless communication module and the short-distance communication module send a SCAN_REQ packet to an electronic price tag corresponding to the received ADV_IND packet, wherein the SCAN_REQ packet contains updating information for updating display information of the electronic price tag, the target data is updated to a main control module, and the main control module sends the target data to a display module for storage and display.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A Bluetooth electronic price tag is characterized in that: the system comprises a Bluetooth SoC, a wake-up signal receiving module, a main control module, a display module, a wireless communication module, a short-distance communication module, a response module, a fusion processing module, a radio frequency module, a protocol stack and a change-over switch, wherein the Bluetooth SoC is connected with the main control module;

the Bluetooth SoC is used for establishing communication connection with other Bluetooth devices so as to acquire the update information of the Bluetooth electronic price tag;

the Bluetooth SoC is integrated with a radio frequency module for Bluetooth communication and a protocol stack capable of Bluetooth development;

the wake-up signal receiving module is in data connection with the main control module and is used for periodically detecting a wake-up signal, and when the wake-up signal has a label corresponding to the electronic price tag, the main control module is waken;

the display module is used for displaying information of the Bluetooth electronic price tag;

the display module is in data connection with the main control module, and the main control module is used for sending the stored electronic information to the display module for storage and display;

the wireless communication module and the short-distance communication module are in data connection with the main control module, and the wireless communication module and the short-distance communication module are used for establishing communication connection with the gateway so as to realize data interaction between the main control module and the gateway;

the wireless communication module receives at least one first service instruction sent by the server through the base station, and the short-distance communication module receives at least one second service instruction sent by the mobile terminal;

the fusion processing module is used for carrying out fusion processing on the at least one first service instruction and the at least one second service instruction which are identical in service type and have effective duration overlapping;

the response module responds simultaneously according to the control parameters after the fusion processing;

the fusion processing module stores first service data in the first service instruction in a storage unit of the short-distance communication module, so that the mobile terminal obtains the first service data through the short-distance communication module;

the change-over switch is used for realizing the switching of the dual-mode communication mode of the Bluetooth electronic price tag.

2. A bluetooth electronic price tag according to claim 1, wherein: each service instruction comprises the total effective duration of the service instruction in effect, and the fusion processing module obtains the overlapping of the effective durations of the at least one first service instruction and the at least one second service instruction according to the issuing time of each service instruction and the total effective duration of each service instruction; wherein the effective durations overlap to be durations in which both the at least one first service instruction and the at least one second service instruction are effective in the same time period.

3. A bluetooth electronic price tag according to claim 1, wherein: and the fusion processing module stores second service data in the second service instruction in a storage unit of the wireless communication module, and the wireless communication module uploads the second service data to the base station so that the base station uploads the second service data to the server.

4. A bluetooth electronic price tag according to claim 1, wherein: the protocol stack comprises a first customized protocol or a second customized protocol obtained after the development of the Bluetooth L2CAP layer or the HCI layer, the second customized protocol is used for skipping the Bluetooth connection process to realize connectionless Bluetooth communication, and the protocol stack also comprises a standard Bluetooth protocol used for realizing standard Bluetooth communication.

5. A bluetooth electronic price tag according to claim 1, wherein: the display device is an electronic paper display screen EPD or a liquid crystal display screen LCD.

6. A bluetooth electronic price tag according to claim 1, wherein: the wireless communication module comprises a Bluetooth unit, a wifi unit, a private protocol and a zigbee communication interface, and the short-distance communication module comprises an NFC or/and RFID communication interface.

7. A method for updating bluetooth electronic price tag data according to claims 1-6, characterized in that: the method comprises the following steps:

step one, periodically detecting whether a wake-up signal exists or not through the wake-up signal receiving module;

if the wake-up signal is provided, analyzing whether the wake-up signal contains a corresponding tag or not through the wake-up signal receiving module;

step three, if the tag is included, entering a data acquisition state; the data acquisition state is a state after the main control module is awakened;

step four, acquiring corresponding target data in the gateway based on the wireless communication module and the short-distance communication module in the data acquisition state;

step five, the wireless communication module receives at least one first service instruction sent by a server through a base station, and the short-distance communication module receives at least one second service instruction sent by a mobile terminal;

step six, the fusion processing module carries out fusion processing on the at least one first service instruction and the at least one second service instruction which are identical in service type and have effective duration overlapping, so that the response module responds simultaneously according to the control parameters after the fusion processing; each service instruction comprises the total effective duration of the service instruction in effect, and the fusion processing module obtains the overlapping of the effective durations of the at least one first service instruction and the at least one second service instruction according to the issuing time of each service instruction and the total effective duration of each service instruction; wherein the effective duration overlaps with a duration in which both the at least one first service instruction and the at least one second service instruction are effective in the same time period;

step seven, the wireless communication module and the short-distance communication module acquire the MAC address of the electronic price tag of the data to be updated from the server;

step eight, the wireless communication module and the short-distance communication module directionally receive an ADV_IND packet sent by the electronic price tag of the data to be updated according to the MAC address so as to improve the communication efficiency of Bluetooth communication, wherein the electronic price tag sends the ADV_IND packet at a time interval of more than 30 seconds and less than 300 seconds;

step nine, the wireless communication module and the short-distance communication module send a SCAN_REQ packet to an electronic price sign corresponding to the received ADV_IND packet, wherein the SCAN_REQ packet comprises update information for updating display information of the electronic price sign;

and step ten, updating the target data into the main control module, and sending the target data to the display module for storage and display through the main control module.