WO2021031180A1 - Electronic price tag and working method thereof - Google Patents

Electronic price tag and working method thereof Download PDF

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Publication number
WO2021031180A1
WO2021031180A1 PCT/CN2019/101916 CN2019101916W WO2021031180A1 WO 2021031180 A1 WO2021031180 A1 WO 2021031180A1 CN 2019101916 W CN2019101916 W CN 2019101916W WO 2021031180 A1 WO2021031180 A1 WO 2021031180A1
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main control
price tag
control chip
antenna
antennas
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PCT/CN2019/101916
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French (fr)
Chinese (zh)
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梁敏
侯世国
田向
吉亚平
王庆芳
赵建国
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浙江汉朔电子科技有限公司
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Priority to PCT/CN2019/101916 priority Critical patent/WO2021031180A1/en
Publication of WO2021031180A1 publication Critical patent/WO2021031180A1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips

Abstract

An electronic price tag and a working method thereof. The electronic price tag comprises a main control chip (1) and a plurality of antennas (2). The working method comprises: a main control chip (1) selects antennas (21, 22, 23, 24) in communication with the main control chip (1) from a plurality of antennas (2); controls the antennas (21, 22, 23, 24) in communication with the main control chip (1) to receive or send different price tag signals, and makes, according to the price tag signals sent from the antennas (21, 22, 23, 24) in communication with the main control chip (1), an electronic price tag complete different functional requirements (901); each antenna (21, 22, 23, 24) receives or sends different price tag signals under the control of the main control chip (1) when the antenna is in communication with the main control chip (1), and sends the received price tag signals to the main control chip (1) (902). Beneficial effect: system optimization is achieved using different antennas (21, 22, 23, 24) according to different functional requirements of an electronic price tag.

Description

电子价签及其工作方法Electronic price tag and its working method 技术领域Technical field
本发明涉及电子价签技术领域,特别涉及一种电子价签及其工作方法。The invention relates to the technical field of electronic price tags, in particular to an electronic price tag and a working method thereof.
背景技术Background technique
商超环境下,传统电子价签主要完成显示商品价格的功能,从核心系统将需要显示的信息推送到价签终端上显示,电子价签本身由设备只有一个内置天线用于无线通信。因此,在需要电子价签实现其他功能时,如果还是依靠用于无线通信的该内置天线来实现,无法快速精确地实现该其他功能,无法达到系统最优。In the supermarket environment, traditional electronic price tags mainly complete the function of displaying commodity prices. The information that needs to be displayed is pushed from the core system to the price tag terminal for display. The electronic price tag itself has only one built-in antenna for wireless communication. Therefore, when the electronic price tag is required to implement other functions, if the built-in antenna for wireless communication is still used for implementation, the other functions cannot be implemented quickly and accurately, and the system optimization cannot be achieved.
针对上述问题,目前尚未提出有效的解决方案。In view of the above problems, no effective solutions have been proposed yet.
发明内容Summary of the invention
本发明实施例提供了一种电子价签,用以实现根据电子价签的不同功能需求,采用不同天线达到系统最优,该电子价签包括:The embodiment of the present invention provides an electronic price tag to achieve system optimization by using different antennas according to different functional requirements of the electronic price tag. The electronic price tag includes:
主控芯片,用于根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;The main control chip is used to select the antenna connected to the main control chip from multiple antennas according to the functional requirement command; control the antenna connected to the main control chip to receive or send different price tag signals, according to the main control chip The price tag signal sent by the connected antenna enables the electronic price tag to fulfill different functional requirements;
每一天线,用于在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片。Each antenna is used to receive or send different price tag signals through the control of the main control chip when connected with the main control chip, and send the received price tag signals to the main control chip.
本发明实施例还提供了一种电子价签的工作方法,该方法包括:The embodiment of the present invention also provides a working method of an electronic price tag, which includes:
主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;The main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; controls the antenna connected to the main control chip to receive or send different price tag signals, according to the connection with the main control chip The price tag signal sent by the antenna enables the electronic price tag to fulfill different functional requirements;
每一天线在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片。When each antenna is connected to the main control chip, through the control of the main control chip, it receives or sends different price tag signals, and sends the received price tag signals to the main control chip.
本发明实施例还提供了一种计算机设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行电子价签的工作方法。The embodiment of the present invention also provides a computer device including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and the processor executes the working method of the electronic price tag.
本发明实施例还提供了一种计算机可读存储介质,所述计算机可读存储介质存储有执行电子价签的工作方法的计算机程序。The embodiment of the present invention also provides a computer-readable storage medium that stores a computer program for executing the working method of the electronic price tag.
本发明实施例提供的技术方案中电子价签包括:主控芯片和多个天线,通过:主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;每一天线在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片,实现了根据电子价签的不同功能需求,采用不同天线达到系统最优。In the technical solution provided by the embodiment of the present invention, the electronic price tag includes: a main control chip and multiple antennas, through: the main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; The antenna connected to the main control chip receives or sends different price tag signals. According to the price tag signal sent by the antenna connected to the main control chip, the electronic price tag completes different functional requirements; each antenna is connected to the main control chip When connected, through the control of the main control chip, different price tag signals are received or sent, and the received price tag signals are sent to the main control chip, which realizes that according to the different functional requirements of electronic price tags, different antennas are used to achieve the system Optimal.
本发明实施例提供的技术方案不仅可以应用于电子价签,还可以应用于包括电子价签的AP等。The technical solutions provided by the embodiments of the present invention can be applied not only to electronic price tags, but also to APs including electronic price tags.
附图说明Description of the drawings
此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,并不构成对本发明的限定。在附图中:The drawings described here are used to provide a further understanding of the present invention, constitute a part of this application, and do not constitute a limitation to the present invention. In the attached picture:
图1是本发明实施例中电子价签的结构示意图;Figure 1 is a schematic structural diagram of an electronic price tag in an embodiment of the present invention;
图2是本发明又一实施例中电子价签的结构示意图;2 is a schematic diagram of the structure of an electronic price tag in another embodiment of the present invention;
图3是本发明又一实施例中电子价签的结构示意图;3 is a schematic diagram of the structure of an electronic price tag in another embodiment of the present invention;
图4是本发明另一实施例中电子价签的结构示意图;4 is a schematic diagram of the structure of an electronic price tag in another embodiment of the present invention;
图5是本发明实施例中电子价签的工作方法的流程示意图。Fig. 5 is a schematic flowchart of a working method of an electronic price tag in an embodiment of the present invention.
具体实施方式detailed description
为使本发明的目的、技术方案和优点更加清楚明白,下面结合实施方式和附图,对本发明做进一步详细说明。在此,本发明的示意性实施方式及其说明用于解释本发明,但并不作为对本发明的限定。In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and the drawings. Here, the exemplary embodiments of the present invention and the description thereof are used to explain the present invention, but not as a limitation to the present invention.
由于发明人发现背景技术中提到的技术问题,针对商超环境,提出了一种多天线的电子价签方案,该方案实现了在不同的功能需求时,采用不同的天线达到系统最优。下面对该多天线的电子价签的方案进行详细介绍如下。As the inventor discovered the technical problems mentioned in the background art, and aimed at the supermarket environment, he proposed a multi-antenna electronic price tag scheme, which realizes the use of different antennas to achieve the system optimization under different functional requirements. The detailed introduction of the multi-antenna electronic price tag scheme is as follows.
图1是本发明实施例中电子价签的结构示意图,如图1所示,该电子价签包括:主控芯片和多个天线;其中:Fig. 1 is a schematic structural diagram of an electronic price tag in an embodiment of the present invention. As shown in Fig. 1, the electronic price tag includes: a main control chip and multiple antennas; among them:
主控芯片1,用于根据功能需求命令,从多个天线2中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;The main control chip 1 is used to select the antenna connected to the main control chip from the multiple antennas 2 according to the function demand command; control the antenna connected to the main control chip to receive or send different price tag signals, according to the The price tag signal sent by the antenna connected to the control chip enables the electronic price tag to fulfill different functional requirements;
每一天线,用于在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片。Each antenna is used to receive or send different price tag signals through the control of the main control chip when connected with the main control chip, and send the received price tag signals to the main control chip.
发明人发现一个技术问题:通常,电子价签内部的主控芯片,负责跟AP通信传输需要显示的信息,并控制显示屏幕进行显示。由于大商超有实时寻找货物,以及导购等业务需求,因此,如何对商超里的商品进行快速精确地定位是一个亟需解决的问题。传统室内定位的方法有ibeacon和uwb,wifi指纹等。这些方案能定位的精度都在1m以上,甚至误差达到10m,不能满足密集的商品陈列定位的需求。利用电子价签本身所在的无线通信系统进行定位,由于电子价签内置天线主要功能是跟AP进行通信,不能满足定位过程中需要以弱功能检测邻居的功能需求,因此,无法实现快速精确地定位电子价签,也无法达到系统最优。The inventor found a technical problem: Usually, the main control chip inside the electronic price tag is responsible for communicating with the AP and transmitting the information that needs to be displayed, and controlling the display screen to display it. As the supermarket has real-time search for goods, as well as shopping guide and other business needs, how to quickly and accurately locate the goods in the supermarket is an urgent problem to be solved. Traditional indoor positioning methods include ibeacon and uwb, wifi fingerprints and so on. The positioning accuracy of these solutions is above 1m, and even the error reaches 10m, which cannot meet the needs of dense commodity display positioning. Use the wireless communication system where the electronic price tag itself is located for positioning. Since the main function of the electronic price tag’s built-in antenna is to communicate with the AP, it cannot meet the functional requirements of detecting neighbors with weak functions during the positioning process. Therefore, rapid and accurate positioning cannot be achieved. Electronic price tags cannot achieve the optimal system.
由于发明人考虑到了这个技术问题,提出了以下既可以实现快速精确地定位电子价签,也可以达到系统最优的方案,即本发明实施例提供的电子价签工作时,主控芯片根据价签所需要完成的功能,选择用使用哪根天线。快速精确地实现除了通信功能的其他功能。该电子价签包括:主控芯片和多个天线,通过:主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;每一天线在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片,实现了根据电子价签的不同功能需求,采用不同天线达到系统最优。Since the inventor took this technical problem into consideration, he proposed the following solution that can not only realize the rapid and accurate positioning of the electronic price tag, but also achieve the optimal system. That is, when the electronic price tag provided by the embodiment of the present invention works, the main control chip Sign the functions that need to be completed and choose which antenna to use. Quickly and accurately realize other functions besides the communication function. The electronic price tag includes: a main control chip and multiple antennas, through: the main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; controls the antenna connected to the main control chip to receive Or send different price tag signals, according to the price tag signal sent by the antenna connected with the main control chip, so that the electronic price tag can fulfill different functional requirements; each antenna is connected to the main control chip through the main control chip The control, receiving or sending different price tag signals, and sending the received price tag signals to the main control chip, realizes that according to the different functional requirements of electronic price tags, different antennas are used to achieve the optimal system.
本发明实施例提供的技术方案不仅可以应用于电子价签,还可以应用于包括电子价签的AP等。The technical solutions provided by the embodiments of the present invention can be applied not only to electronic price tags, but also to APs including electronic price tags.
下面以电子价签可以实现通信显示价签信息功能,以及定位功能来说明本发明实例如何实施。In the following, the electronic price tag can realize the function of communicating and displaying the price tag information, as well as the positioning function to illustrate how the example of the present invention is implemented.
具体实施时,多个天线可以是在电子价签壳体内的天线,一般是板载天线,也可以是通过专门的天线接头或者触点跟主控制芯片所在电路板连接,通过专门的配件装配固定。多个天线可以通过电子开关控制来选择,也可以直接连接在一起,通过他们之间的空间位置来构成天线阵,具体特定的方向性。下面就对几种控制选择天线的方式的实施例进行介绍。In specific implementation, the multiple antennas can be antennas in the electronic price tag housing, generally on-board antennas, or they can be connected to the circuit board where the main control chip is located through special antenna connectors or contacts, and fixed by special accessories assembly . Multiple antennas can be selected through electronic switch control, or they can be directly connected together, and an antenna array is formed by the spatial position between them, with specific directivity. In the following, several examples of ways of controlling and selecting antennas are introduced.
在一个实施例中,如图2所示,所述天线可以包括第一天线21和第二天线22;In an embodiment, as shown in FIG. 2, the antenna may include a first antenna 21 and a second antenna 22;
所述主控芯片1具体可以用于:The main control chip 1 may be specifically used for:
在所述功能需求命令为显示命令时,从多个天线中选择出与主控芯片接通的天线,例如第一天线21;控制与主控芯片接通的第一天线21接收或发送不同的价签信号,例如电子价签所代表商品的信号,根据与主控芯片接通的天线发来的价签信号(例如电子价签所代表商品的信息),使得电子价签完成显示功能需求;When the function requirement command is a display command, select the antenna connected to the main control chip from multiple antennas, such as the first antenna 21; control the first antenna 21 connected to the main control chip to receive or send different The price tag signal, such as the signal of the commodity represented by the electronic price tag, is based on the price tag signal (such as the information of the commodity represented by the electronic price tag) sent by the antenna connected to the main control chip, so that the electronic price tag completes the display function requirements;
在所述功能需求命令为定位命令时,从多个天线中选择出与主控芯片接通的天线,例如第二天线22,控制与主控芯片接通的天线接收或发送不同的价签信号,即控制第二天线22处于发送模式状态,或控制第二天线22处于接收模式状态,根据与主控芯片接通的天线发来的价签信号,即根据处于接收模式的电子价签自身身份信息及其相邻电子价签的身份信息,确定处于接收模式的电子价签的位置信息,使得电子价签完成定位的功能需求;When the function requirement command is a positioning command, select the antenna connected to the main control chip from multiple antennas, such as the second antenna 22, and control the antenna connected to the main control chip to receive or send different price tag signals , That is, control the second antenna 22 in the sending mode state, or control the second antenna 22 in the receiving mode state, according to the price tag signal sent by the antenna connected to the main control chip, that is, according to the identity of the electronic price tag in the receiving mode Information and the identity information of the adjacent electronic price tag, determine the location information of the electronic price tag in the receiving mode, so that the electronic price tag completes the functional requirements of positioning;
所述第一天线具体可以用于:The first antenna may be specifically used for:
在与主控芯片接通时,通过主控芯片的控制,与无线接入点通信,接收电子价签所代表商品的信息,将电子价签所代表商品的信息发送至所述主控芯片,此时第一天线处于正常通信状态;When connected with the main control chip, communicate with the wireless access point through the control of the main control chip, receive the information of the commodity represented by the electronic price tag, and send the information of the commodity represented by the electronic price tag to the main control chip, At this time, the first antenna is in a normal communication state;
所述第二天线可以用于:在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,例如在根据主控芯片的控制下处于发送模式状态时,发送电子价签自身身份信息;在与主控芯片接通时,通过主控芯片的控制,即在根据主控芯片的控制下处于接收模式状态时,接收相邻电子价签的身份信息(价签信号),将相邻电子价签的身份信息及自身身份信息发送至主控芯片。The second antenna may be used to receive or send different price tag signals through the control of the main control chip when connected to the main control chip, for example, when it is in the sending mode state under the control of the main control chip, send The identity information of the electronic price tag itself; when connected with the main control chip, through the control of the main control chip, that is, when in the receiving mode under the control of the main control chip, the identity information of the adjacent electronic price label is received (price label Signal) to send the identity information of the adjacent electronic price tag and its own identity information to the main control chip.
具体实施时,正常情况,主控芯片通过第一天线21(内置天线)跟AP进行通信,完成信息传输。在需要通过价签系统定位价签位置时,系统(可以是电子价签系统或服务器)通过命令(定位命令)控制价签进入寻找邻居的状态,即接收相邻电子价签的身份信息。在接收到此命令后,电子价签根据预定协议,在一个同步的时间窗内,控制转换到第二天线22(外置天线),在此外置天线上按照预定功率发送自己的身份信息,并接收其他周围的价签(相邻电子价签)的身份信息,从而确定自己的周围邻居信息(相邻电子价签的身份信息)。During specific implementation, under normal circumstances, the main control chip communicates with the AP through the first antenna 21 (built-in antenna) to complete information transmission. When it is necessary to locate the location of the price tag through the price tag system, the system (which can be an electronic price tag system or a server) controls the price tag to enter a neighbor-finding state through a command (positioning command), that is, receives the identity information of the neighboring electronic price tag. After receiving this command, the electronic price tag will switch to the second antenna 22 (external antenna) in a synchronized time window according to the predetermined protocol, and send its own identity information on the external antenna at the predetermined power, and Receive the identity information of other surrounding price tags (neighboring electronic price tags) to determine their surrounding neighbor information (identity information of neighboring electronic price tags).
为了便于理解本发明如何实施,举一例说明电子价签如何实现定位功能。In order to facilitate the understanding of how the present invention is implemented, an example is given to illustrate how the electronic price tag realizes the positioning function.
例如有6个电子价签。其中有一个1号电子价签处于接收模式,通过控制该1号电子价签的第二天线接收另外5个相邻电子价签发来的身份信息,并将另外5个相邻电子价签发来的身份信息发送至主控芯片,主控芯片根据接收到的相邻电子价签的身份信息 及电子价签自身身份信息,确定处于接收模式的该1号电子价签的位置信息,使得1号电子价签完成价签定位的功能需求。当需要对另外5个电子价签进行定位时,例如需要定位2号电子价签,那么,此时,该1号电子价签就需要将自身身份信息发送至2号电子价签,2号电子价签的定位方式参见上述1号电子价签的定位方式。For example, there are 6 electronic price tags. One of the No. 1 electronic price tags is in the receiving mode, and the second antenna of the No. 1 electronic price tag is controlled to receive the identity information from the other 5 adjacent electronic price tags, and the other 5 adjacent electronic price tags are issued. The identity information is sent to the main control chip, and the main control chip determines the position information of the No. 1 electronic price tag in the receiving mode according to the received identity information of the adjacent electronic price tag and the identity information of the electronic price tag itself, so that the number 1 electronic price tag The price tag completes the functional requirements for price tag positioning. When it is necessary to locate the other 5 electronic price tags, for example, the electronic price tag No. 2 needs to be located, then, at this time, the electronic price tag No. 1 needs to send its own identity information to the electronic price tag No. 2. For the positioning method of the price tag, please refer to the positioning method of the No. 1 electronic price tag above.
通过上述可知,上述处于接收模式的电子价签可以在定位过程中,通过主控芯片控制其第二天线实现需要以弱功能检测相邻电子价签身份信息,并根据相邻电子价签的身份信息,对该处于接收模式的电子价签进行快速精确的定位,并达到系统最优。具体实施时,电子价签的第二天线还可以将接收到的相邻电子价签的身份信息及电子价签自身身份信息发送至一服务器,由该服务器实现根据接收到的相邻电子价签的身份信息及电子价签自身身份信息,确定处于接收模式状态的电子价签的位置信息。It can be seen from the above that the above-mentioned electronic price tag in the receiving mode can control its second antenna through the main control chip during the positioning process to realize the need to detect the identity information of the adjacent electronic price tag with a weak function, and according to the identity of the adjacent electronic price tag Information, to quickly and accurately locate the electronic price tag in the receiving mode, and achieve the optimal system. In specific implementation, the second antenna of the electronic price tag can also send the received identity information of the neighboring electronic price tag and the identity information of the electronic price tag itself to a server, and the server can realize based on the received adjacent electronic price tag The identity information of the electronic price tag and the identity information of the electronic price tag itself are used to determine the location information of the electronic price tag in the receiving mode.
在一个实施例中,上述电子价签还可以包括:第一开关3,与所述主控芯片和多个天线连接;In an embodiment, the above electronic price tag may further include: a first switch 3 connected to the main control chip and multiple antennas;
所述主控芯片具体用于:根据功能需求命令,通过控制第一开关,从多个天线中选择出与主控芯片接通的天线,控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。The main control chip is specifically used to select the antenna connected to the main control chip from a plurality of antennas by controlling the first switch according to the functional requirement command, and control the antenna connected to the main control chip to receive or transmit different The price tag signal, according to the price tag signal sent by the antenna connected to the main control chip, enables the electronic price tag to fulfill different functional requirements.
具体实施时,如图2所示,可以利用一第一开关3在主控芯片的控制下,与多个天线中任意天线接通或断开,从而实现控制多个天线中任意天线处于不同的工作状态,使得电子价签完成不同的功能需求,方便灵活。In specific implementation, as shown in Figure 2, a first switch 3 can be used to connect or disconnect any of the multiple antennas under the control of the main control chip, so as to control any antenna of the multiple antennas to be in different positions. The working status enables the electronic price tag to fulfill different functional requirements, which is convenient and flexible.
在一个实施例中,如图3所示,所述主控芯片具体用于:根据功能需求命令,基于多个天线的空间角度位置信息,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。In one embodiment, as shown in FIG. 3, the main control chip is specifically used for: according to the functional requirement command, based on the spatial angle position information of the multiple antennas, select the one connected to the main control chip from the multiple antennas. Antenna: Control the antenna connected with the main control chip to receive or send different price tag signals, and according to the price tag signal sent by the antenna connected with the main control chip, the electronic price tag can fulfill different functional requirements.
具体实施时,例如在所述天线包括第三天线23和第四天线24时,所述第三天线和第四天线之间存在预设角度(空间角度位置信息)。During specific implementation, for example, when the antenna includes the third antenna 23 and the fourth antenna 24, there is a preset angle (spatial angle position information) between the third antenna and the fourth antenna.
具体实施时,如图3所示,第三天线23和第四天线24在空间上间隔D,D可以是电子价签通信频率(例如2.4G,或者900M等)的半波长(例如6cm,或者18cm等),或者1/4波长等,构成在空间上的信号的方向性,达到对于对应角度以内和角度以外的电子价签信号进行区分的目的,该方案可以利用现有空间方向性区别方案实现。In specific implementation, as shown in FIG. 3, the third antenna 23 and the fourth antenna 24 are spaced apart by D. D may be the half-wavelength (for example, 6cm, or 6cm) of the electronic price tag communication frequency (for example, 2.4G, or 900M, etc.) 18cm, etc.), or 1/4 wavelength, etc., constitute the directionality of the signal in space, to achieve the purpose of distinguishing the electronic price tag signals within and outside the corresponding angle. This solution can use the existing spatial directionality distinction solution achieve.
在一个实施例中,如图4所示,上述电子价签还可以包括:第二开关4,与所述主控芯片和多个天线连接;In an embodiment, as shown in FIG. 4, the above electronic price tag may further include: a second switch 4 connected to the main control chip and multiple antennas;
所述主控芯片具体用于:根据功能需求命令,基于多个天线的空间角度位置信息,通过控制第二开关,按照预设时序从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。The main control chip is specifically configured to: according to the functional requirement command, based on the spatial angle position information of the multiple antennas, by controlling the second switch, the antenna connected to the main control chip is selected from the multiple antennas according to a preset timing; The antenna connected to the main control chip is controlled to receive or send different price tag signals, and the electronic price tag can fulfill different functional requirements according to the price tag signal sent by the antenna connected to the main control chip.
具体实施时,第三天线和第四天线在空间上间隔D,D可以是电子价签通信频率(例如2.4G,或者900M等)的半波长(例如6cm,或者18cm等),或者1/4波长等,主控芯片控制开关按照一定特定的时序选择不同的天线接收信号,通过对于来自这两个不同天线的信号进行运算,达到对于对应空间角度以内和角度以外的电子价签信号进行区分的目的。In specific implementation, the third antenna and the fourth antenna are spaced apart by D. D can be half the wavelength (such as 6cm, or 18cm, etc.) of the electronic price tag communication frequency (such as 2.4G, or 900M, etc.), or 1/4 Wavelength, etc., the main control chip controls the switch to select different antennas to receive signals according to a certain specific timing. By calculating the signals from these two different antennas, it can distinguish the electronic price tag signals within and outside the corresponding spatial angle. purpose.
通过上述可知,价签可以通过外置天线的特殊设计,例如更大的衰减和更好的方向性,实现对邻居价签的精确测量,实现了快速精确的电子价签定位功能。It can be seen from the above that the price tag can achieve accurate measurement of neighbor price tags through the special design of the external antenna, such as greater attenuation and better directivity, and realize the fast and accurate electronic price tag positioning function.
上述实施例只是以电子价签实现通信显示价签信息功能,以及定位功能来进行说明,当然本领域技术人员还可以想象到实现其他功能,例如通过一第五天线检测室内环境参数信息的,例如烟雾浓度、甲醛指标等,使得电子价签实现安全检测实时报警功能。The above-mentioned embodiment only uses the electronic price tag to realize the communication and display price tag information function and the positioning function. Of course, those skilled in the art can also imagine to realize other functions, such as detecting indoor environment parameter information through a fifth antenna, for example Smoke concentration, formaldehyde index, etc., make the electronic price tag realize the real-time alarm function of safety detection.
基于同一发明构思,本发明实施例中还提供了一种电子价签的工作方法,如下面的实施例。由于电子价签的工作方法解决问题的原理与上述电子价签相似,因此电子价签的工作方法的实施可以参考上述电子价签的实施,重复之处不再赘述。以下所使用的,术语“模块”或者“单元”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现,但是硬件,或者软件和硬件的组合的实现也是可能并被构想的。Based on the same inventive concept, the embodiment of the present invention also provides a working method of an electronic price tag, as shown in the following embodiment. Since the working method of the electronic price tag is similar to the above-mentioned electronic price tag, the implementation of the working method of the electronic price tag can refer to the implementation of the above-mentioned electronic price tag, and the repetition will not be repeated. As used below, the term "module" or "unit" can be a combination of software and/or hardware that implements predetermined functions. Although the devices described in the following embodiments are preferably implemented by software, hardware or a combination of software and hardware is also possible and conceived.
图5是本发明实施例中电子价签的工作方法的流程示意图,如图5所示,该方法包括:Fig. 5 is a schematic flowchart of a working method of an electronic price tag in an embodiment of the present invention. As shown in Fig. 5, the method includes:
步骤901:主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;Step 901: The main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; controls the antenna connected to the main control chip to receive or send different price tag signals, according to the main control chip The price tag signal sent by the connected antenna enables the electronic price tag to fulfill different functional requirements;
步骤902:每一天线在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片。Step 902: When each antenna is connected to the main control chip, through the control of the main control chip, different price tag signals are received or sent, and the received price tag signals are sent to the main control chip.
在一个实例中,所述电子价签还包括:第一开关,与所述主控芯片和多个天线连接;In an example, the electronic price tag further includes: a first switch connected to the main control chip and multiple antennas;
主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求,可以包括:The main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; controls the antenna connected to the main control chip to receive or send different price tag signals, according to the connection with the main control chip The price tag signal sent by the antenna enables the electronic price tag to fulfill different functional requirements, which can include:
根据功能需求命令,通过控制第一开关,从多个天线中选择出与主控芯片接通的天线,控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。According to the function demand command, by controlling the first switch, the antenna connected to the main control chip is selected from the multiple antennas, and the antenna connected to the main control chip is controlled to receive or send different price tag signals. The price tag signal sent by the connected antenna enables the electronic price tag to fulfill different functional requirements.
在一个实例中,主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求,可以包括:In one example, the main control chip selects the antenna connected to the main control chip from a plurality of antennas according to the functional requirement command; controls the antenna connected to the main control chip to receive or send different price tags signals, and The price tag signal sent by the antenna connected to the control chip enables the electronic price tag to fulfill different functional requirements, which can include:
根据功能需求命令,基于多个天线的空间角度位置信息,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。According to the functional requirements command, based on the spatial angle position information of multiple antennas, select the antenna connected to the main control chip from the multiple antennas; control the antenna connected to the main control chip to receive or send different price tag signals, according to The price tag signal from the antenna connected to the main control chip enables the electronic price tag to fulfill different functional requirements.
在一个实例中,所述电子价签还包括:第二开关,与所述主控芯片和多个天线连接;In an example, the electronic price tag further includes: a second switch connected to the main control chip and multiple antennas;
根据功能需求命令,基于多个天线的空间角度位置信息,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求,包括:According to the functional requirements command, based on the spatial angle position information of multiple antennas, select the antenna connected to the main control chip from the multiple antennas; control the antenna connected to the main control chip to receive or send different price tag signals, according to The price tag signal from the antenna connected to the main control chip enables the electronic price tag to fulfill different functional requirements, including:
根据功能需求命令,基于多个天线的空间角度位置信息,通过控制第二开关,按照预设时序从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。According to the functional requirement command, based on the spatial angle position information of the multiple antennas, by controlling the second switch, the antenna connected to the main control chip is selected from the multiple antennas according to the preset timing; the antenna connected to the main control chip is controlled Receiving or sending different price tag signals, according to the price tag signal sent by the antenna connected to the main control chip, so that the electronic price tag can fulfill different functional requirements.
在一个实例中,所述天线可以包括第一天线21和第二天线22;In an example, the antenna may include a first antenna 21 and a second antenna 22;
主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求,可以包括:The main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; controls the antenna connected to the main control chip to receive or send different price tag signals, according to the connection with the main control chip The price tag signal sent by the antenna enables the electronic price tag to fulfill different functional requirements, which can include:
在所述功能需求命令为显示命令时,从多个天线中选择出与主控芯片接通的天线,例如第一天线21;控制与主控芯片接通的第一天线21接收或发送不同的价签信号,例如电子价签所代表商品的信号,根据与主控芯片接通的天线发来的价签信号(例如电子价签所代表商品的信息),使得电子价签完成显示功能需求;When the function requirement command is a display command, select the antenna connected to the main control chip from multiple antennas, such as the first antenna 21; control the first antenna 21 connected to the main control chip to receive or send different The price tag signal, such as the signal of the commodity represented by the electronic price tag, is based on the price tag signal (such as the information of the commodity represented by the electronic price tag) sent by the antenna connected to the main control chip, so that the electronic price tag completes the display function requirements;
在所述功能需求命令为定位命令时,从多个天线中选择出与主控芯片接通的天线,例如第二天线22,控制与主控芯片接通的天线接收或发送不同的价签信号,即控制第二天线22处于发送模式状态,或控制第二天线22处于接收模式状态,根据与主控芯片接通的天线发来的价签信号,即根据处于接收模式的电子价签自身身份信息及其相邻电子价签的身份信息,确定处于接收模式的电子价签的位置信息,使得电子价签完成定位的功能需求;When the function requirement command is a positioning command, select the antenna connected to the main control chip from multiple antennas, such as the second antenna 22, and control the antenna connected to the main control chip to receive or send different price tag signals , That is, control the second antenna 22 in the sending mode state, or control the second antenna 22 in the receiving mode state, according to the price tag signal sent by the antenna connected to the main control chip, that is, according to the identity of the electronic price tag in the receiving mode Information and the identity information of the adjacent electronic price tag, determine the location information of the electronic price tag in the receiving mode, so that the electronic price tag completes the functional requirements of positioning;
每一天线在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片,可以包括:When each antenna is connected to the main control chip, through the control of the main control chip, it receives or sends different price tag signals, and sends the received price tag signals to the main control chip, which may include:
第一天线21在与主控芯片接通时,通过主控芯片的控制,与无线接入点通信,接收电子价签所代表商品的信息,将电子价签所代表商品的信息发送至所述主控芯片,此时第一天线处于正常通信状态;When the first antenna 21 is connected to the main control chip, it communicates with the wireless access point through the control of the main control chip, receives the information of the commodity represented by the electronic price tag, and sends the information of the commodity represented by the electronic price tag to the Main control chip, at this time the first antenna is in a normal communication state;
第二天线22在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,例如在根据主控芯片的控制下处于发送模式状态时,发送电子价签自身身份信息;在与主控芯片接通时,通过主控芯片的控制,即在根据主控芯片的控制下处于接收模式状态时,接收相邻电子价签的身份信息(价签信号),将相邻电子价签的身份信息及自身身份信息发送至主控芯片。When the second antenna 22 is connected to the main control chip, it receives or sends different price tag signals under the control of the main control chip, for example, when it is in the sending mode under the control of the main control chip, it sends the identity of the electronic price tag itself Information; when connected with the main control chip, through the control of the main control chip, that is, under the control of the main control chip in the receiving mode, receive the identity information of the neighboring electronic price tag (price tag signal), and the corresponding The identity information of the neighboring electronic price tag and its own identity information are sent to the main control chip.
本发明实施例还提供了一种计算机设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行电子价签的工作方法。The embodiment of the present invention also provides a computer device including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and the processor executes the working method of the electronic price tag.
本发明实施例还提供了一种计算机可读存储介质,所述计算机可读存储介质存储有执行电子价签的工作方法的计算机程序。The embodiment of the present invention also provides a computer-readable storage medium that stores a computer program for executing the working method of the electronic price tag.
本发明实施提供的技术方案的有益技术效果为:上述技术方案实现了根据电子价签的不同功能需求,采用不同天线达到系统最优,可以快速精确地实现该其他功能,例如可以实现对电子价签进行快速精确的定位,并达到系统最优。The beneficial technical effects of the technical solution provided by the implementation of the present invention are: the above-mentioned technical solution realizes that according to the different functional requirements of electronic price tags, different antennas are used to achieve the optimal system, and the other functions can be realized quickly and accurately. Sign for fast and accurate positioning, and achieve the optimal system.
显然,本领域的技术人员应该明白,上述的本发明实施例的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,并且在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本发明实施例不限制于任何特定的硬件和软件结合。Obviously, those skilled in the art should understand that the modules or steps of the above-mentioned embodiments of the present invention can be implemented by a general computing device, and they can be concentrated on a single computing device, or distributed among multiple computing devices. Optionally, they can be implemented with program codes executable by a computing device, so that they can be stored in a storage device for execution by the computing device, and in some cases, can be different from here The steps shown or described are executed in the order of, or they are respectively fabricated into individual integrated circuit modules, or multiple modules or steps of them are fabricated into a single integrated circuit module to achieve. In this way, the embodiments of the present invention are not limited to any specific combination of hardware and software.
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明实施例可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The foregoing descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the embodiments of the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc., made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

  1. 一种电子价签,其特征在于,包括:主控芯片和多个天线;其中:An electronic price tag, which is characterized by comprising: a main control chip and a plurality of antennas; wherein:
    主控芯片,用于根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;The main control chip is used to select the antenna connected to the main control chip from multiple antennas according to the functional requirement command; control the antenna connected to the main control chip to receive or send different price tag signals, according to the main control chip The price tag signal sent by the connected antenna enables the electronic price tag to fulfill different functional requirements;
    每一天线,用于在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片。Each antenna is used to receive or send different price tag signals through the control of the main control chip when connected with the main control chip, and send the received price tag signals to the main control chip.
  2. 如权利要求1所述的电子价签,其特征在于,还包括:第一开关,与所述主控芯片和多个天线连接;5. The electronic price tag according to claim 1, further comprising: a first switch connected to the main control chip and multiple antennas;
    所述主控芯片具体用于:根据功能需求命令,通过控制第一开关,从多个天线中选择出与主控芯片接通的天线,控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。The main control chip is specifically used to select the antenna connected to the main control chip from a plurality of antennas by controlling the first switch according to the functional requirement command, and control the antenna connected to the main control chip to receive or transmit different The price tag signal, according to the price tag signal sent by the antenna connected to the main control chip, enables the electronic price tag to fulfill different functional requirements.
  3. 如权利要求1所述的电子价签,其特征在于,所述主控芯片具体用于:根据功能需求命令,基于多个天线的空间角度位置信息,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。The electronic price tag according to claim 1, wherein the main control chip is specifically used to: according to the functional requirement command, based on the spatial angle position information of the multiple antennas, select the main control chip from the multiple antennas. Connected antenna; control the antenna connected to the main control chip to receive or send different price tag signals, and according to the price tag signal sent by the antenna connected to the main control chip, the electronic price tag can fulfill different functional requirements.
  4. 如权利要求3所述的电子价签,其特征在于,还包括:第二开关,与所述主控芯片和多个天线连接;5. The electronic price tag of claim 3, further comprising: a second switch connected to the main control chip and multiple antennas;
    所述主控芯片具体用于:根据功能需求命令,基于多个天线的空间角度位置信息,通过控制第二开关,按照预设时序从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。The main control chip is specifically configured to: according to the functional requirement command, based on the spatial angle position information of the multiple antennas, by controlling the second switch, the antenna connected to the main control chip is selected from the multiple antennas according to a preset timing; The antenna connected to the main control chip is controlled to receive or send different price tag signals, and the electronic price tag can fulfill different functional requirements according to the price tag signal sent by the antenna connected to the main control chip.
  5. 一种电子价签的工作方法,其特征在于,包括:An electronic price tag working method, which is characterized in that it includes:
    主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求;The main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; controls the antenna connected to the main control chip to receive or send different price tag signals, according to the connection with the main control chip The price tag signal sent by the antenna enables the electronic price tag to fulfill different functional requirements;
    每一天线在与主控芯片接通时,通过主控芯片的控制,接收或发送不同的价签信号,将接收的价签信号发送至所述主控芯片。When each antenna is connected to the main control chip, through the control of the main control chip, it receives or sends different price tag signals, and sends the received price tag signals to the main control chip.
  6. 如权利要求5所述的电子价签的工作方法,其特征在于,所述电子价签还包括:第一开关,与所述主控芯片和多个天线连接;The working method of an electronic price tag according to claim 5, wherein the electronic price tag further comprises: a first switch connected to the main control chip and multiple antennas;
    主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求,包括:The main control chip selects the antenna connected to the main control chip from the multiple antennas according to the function demand command; controls the antenna connected to the main control chip to receive or send different price tag signals, according to the connection with the main control chip The price tag signal sent by the antenna enables the electronic price tag to fulfill different functional requirements, including:
    根据功能需求命令,通过控制第一开关,从多个天线中选择出与主控芯片接通的天线,控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。According to the function demand command, by controlling the first switch, the antenna connected to the main control chip is selected from the multiple antennas, and the antenna connected to the main control chip is controlled to receive or send different price tag signals. The price tag signal sent by the connected antenna enables the electronic price tag to fulfill different functional requirements.
  7. 如权利要求5所述的电子价签的工作方法,其特征在于,主控芯片根据功能需求命令,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求,包括:The working method of the electronic price tag according to claim 5, wherein the main control chip selects the antenna connected to the main control chip from a plurality of antennas according to the function demand command; The antenna receives or transmits different price tag signals, and according to the price tag signal sent by the antenna connected to the main control chip, the electronic price tag can fulfill different functional requirements, including:
    根据功能需求命令,基于多个天线的空间角度位置信息,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。According to the functional requirements command, based on the spatial angle position information of multiple antennas, select the antenna connected to the main control chip from the multiple antennas; control the antenna connected to the main control chip to receive or send different price tag signals, according to The price tag signal from the antenna connected to the main control chip enables the electronic price tag to fulfill different functional requirements.
  8. 如权利要求7所述的电子价签的工作方法,其特征在于,所述电子价签还包括:第二开关,与所述主控芯片和多个天线连接;8. The working method of an electronic price tag according to claim 7, wherein the electronic price tag further comprises: a second switch connected to the main control chip and multiple antennas;
    根据功能需求命令,基于多个天线的空间角度位置信息,从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求,包括:According to the functional requirement command, based on the spatial angle position information of multiple antennas, select the antenna connected to the main control chip from the multiple antennas; control the antenna connected to the main control chip to receive or send different price tag signals, according to The price tag signal from the antenna connected to the main control chip enables the electronic price tag to fulfill different functional requirements, including:
    根据功能需求命令,基于多个天线的空间角度位置信息,通过控制第二开关,按照预设时序从多个天线中选择出与主控芯片接通的天线;控制与主控芯片接通的天线接收或发送不同的价签信号,根据与主控芯片接通的天线发来的价签信号,使得电子价签完成不同的功能需求。According to the function requirement command, based on the spatial angle position information of the multiple antennas, by controlling the second switch, the antenna connected to the main control chip is selected from the multiple antennas according to the preset time sequence; the antenna connected to the main control chip is controlled Receive or send different price tag signals, and according to the price tag signal sent by the antenna connected to the main control chip, the electronic price tag can fulfill different functional requirements.
  9. 一种计算机设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其特征在于,所述处理器执行所述计算机程序时实现权利要求5至8任一所述方法。A computer device, comprising a memory, a processor, and a computer program stored on the memory and running on the processor, wherein the processor executes the computer program to implement any one of claims 5 to 8 method.
  10. 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质存储有执行权利要求5至8任一所述方法的计算机程序。A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for executing the method described in any one of claims 5 to 8.
PCT/CN2019/101916 2019-08-22 2019-08-22 Electronic price tag and working method thereof WO2021031180A1 (en)

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