WO2014190476A1 - 电子货架标签、电子货架标签系统及更新esl的方法 - Google Patents

电子货架标签、电子货架标签系统及更新esl的方法 Download PDF

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Publication number
WO2014190476A1
WO2014190476A1 PCT/CN2013/076292 CN2013076292W WO2014190476A1 WO 2014190476 A1 WO2014190476 A1 WO 2014190476A1 CN 2013076292 W CN2013076292 W CN 2013076292W WO 2014190476 A1 WO2014190476 A1 WO 2014190476A1
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WIPO (PCT)
Prior art keywords
electronic shelf
shelf label
information
item
receiving
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PCT/CN2013/076292
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English (en)
French (fr)
Inventor
黄浩
罗海波
裴抚生
薛新峰
Original Assignee
Huang Hao
Luo Haibo
Pei Fusheng
Xue Xinfeng
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Huang Hao, Luo Haibo, Pei Fusheng, Xue Xinfeng filed Critical Huang Hao
Priority to CN201380063370.3A priority Critical patent/CN104854796A/zh
Priority to PCT/CN2013/076292 priority patent/WO2014190476A1/zh
Publication of WO2014190476A1 publication Critical patent/WO2014190476A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/18—Casings, frames or enclosures for labels
    • G09F3/20—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels
    • G09F3/204—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels specially adapted to be attached to a shelf or the like
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/20—Point-of-sale [POS] network systems
    • G06Q20/201—Price look-up processing, e.g. updating
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/18—Casings, frames or enclosures for labels
    • G09F3/20—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels
    • G09F3/208—Electronic labels, Labels integrating electronic displays

Definitions

  • the invention belongs to the field of electronic shelf labels, and in particular relates to an electronic shelf label, an electronic shelf label system and a method for updating an electronic shelf label.
  • ESL Electronic Shelf Label
  • FIG. 1 An application of a typical electronic shelf label (ESL) system is shown in FIG. 1.
  • the system mainly includes three basic logical functional layers: a control layer 101, a relay layer 102, and a label layer 103.
  • the control layer 101 is located on the top layer of the system and may include one or more control devices.
  • the devices in the control layer may be connected to one or more relay layer 102 devices, and each relay layer 102 device is wirelessly
  • a plurality of ESLs in the tag layer 103 are connected downward.
  • ESL systems need to support, control, and manage a large number of ESLs, for example, in a typical medium-sized supermarket application scenario, thousands to tens of thousands of ESLs are required, so an effective need is needed between the relay layer device and the ESL.
  • An object of the embodiments of the present invention is to provide an electronic shelf label, an electronic shelf label system, and a method for updating an electronic shelf label, which are intended to solve the problem that the prior art cannot provide an effective communication method to improve the relay layer device and the ESL. Communication efficiency between the two, thereby preventing communication between the respective ESL and the relay layer device from interfering with each other.
  • an electronic shelf label the electronic shelf label includes a display module, a microcontroller module, and a power module, and the electronic shelf label further includes:
  • the DECT module is configured to receive, by using a preset frequency point and a receiving time slot, the item information information sent by the relay device in a digital enhanced wireless communication manner to display an output through the display module under the control of the microcontroller module.
  • Another object of the embodiments of the present invention is to provide an electronic shelf label system, the system comprising:
  • the control host is configured to: when receiving the item information information update request, send the item information information to be updated to the electronic shelf label through the corresponding relay device;
  • the relay device is configured to send the item information information to the preset electronic shelf label by using the preset frequency point and the sending time slot in the digital enhanced wireless communication manner when receiving the information information of the item sent by the control host;
  • the electronic shelf label is configured to receive and display the item information information sent by the corresponding relay device by using a preset frequency point and a receiving time slot in a digital enhanced wireless communication manner.
  • Another object of the embodiments of the present invention is to provide a method for updating an electronic shelf label by an electronic shelf label system, the electronic shelf label system comprising:
  • the control host is configured to: when receiving the item information information update request, send the item information information to be updated to the electronic shelf label through the corresponding relay device;
  • the relay device is configured to send the item information information to the preset electronic shelf label by using the preset frequency point and the sending time slot in the digital enhanced wireless communication manner when receiving the information information of the item sent by the control host;
  • An electronic shelf label for receiving and displaying item information information corresponding to the relay device by using a preset frequency point and a receiving time slot in a digital enhanced wireless communication manner
  • the method includes:
  • the control host When receiving the item information information update request, the control host sends the item information information to be updated to the electronic shelf label through the corresponding relay device;
  • the relay device When the relay device receives the information information of the item sent by the control host, the device information is sent to the preset electronic shelf label by using the preset frequency point and the sending time slot in the digital enhanced wireless communication manner;
  • the electronic shelf label receives and displays the item information information sent by the corresponding relay device by using a preset frequency point and a receiving time slot in a digital enhanced wireless communication manner to complete the update of the item information information.
  • each electronic shelf label includes a DECT module, so that each electronic shelf label can receive the relay device by using a preset frequency point and a receiving time slot through digital enhanced wireless communication mode.
  • the information information of the sent item avoids mutual interference when multiple electronic shelf labels communicate with one or more relay devices in the electronic shelf label system at the same time, thereby improving the update efficiency of the item information information, thereby improving the battery in the ESL. Service life.
  • FIG. 1 is a schematic diagram of a layered structure of a conventional electronic shelf label system
  • FIG. 2 is a schematic structural diagram of an electronic shelf label according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram of an electronic shelf label according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural diagram of an electronic shelf label system according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic structural diagram of an electronic shelf label system according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic flow chart of a method for updating an electronic shelf label by an electronic shelf label system according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic flow chart of a method for updating an electronic shelf label by an electronic shelf label system according to Embodiment 3 of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 2 shows the structure of an electronic shelf label according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are described in detail as follows:
  • the electronic shelf label 2 includes a display module 21, a microcontroller module 22, a DECT module 23, and a power module 24, wherein:
  • the display module 21 is configured to display information information of an item corresponding to the electronic shelf label 2 on the shelf, and the information information includes information such as the name, price, category, place of production, manufacturer, discount, and the like of the item.
  • the DECT module 23 is configured to receive the item information information sent by the relay device by using the preset frequency point and the receiving time slot in a digital enhanced wireless communication manner to display the output through the display module 21 under the control of the microcontroller module 22.
  • Digital Enhanced Cordless Telecommunications is a digital communication wireless standard that can support 10 carrier frequencies.
  • Each DECT frame has a length of 10ms.
  • Each DECT frame includes 24 time slots, of which 12 time slots are used as data receiving time slots. 12 time slots are used as data transmission time slots, and an electronic shelf label can be assigned a data reception time slot and a data transmission time slot to form a duplex communication channel. Therefore, when communicating using DECT, there are actually 12 independent duplex communication channels at each carrier frequency within the same frame length.
  • the electronic shelf label when an electronic shelf label system updates information information, can use a preset frequency point, a data receiving time slot, and a sending time slot in the DECT mode through the DECT module, and use the preset frequency point.
  • the relay device communicates. Since the DECT frame includes 24 time slots, 12 electronic shelf tags can be allowed to communicate independently with the same relay device within one frame length at the same carrier frequency. In a specific implementation, it may be desirable to reserve one or two time slots as an alternate communication channel for an electronic shelf label system, for example, for registration of electronic shelf labels, and the like. Thus, preferably, 10 or 11 electronic shelf labels are allowed to communicate independently with the same relay device within one frame length.
  • the microcontroller module 22 is configured to control the display module 21 to display item information information, control communication between the DECT module 23 and the relay device, and control sleep and/or wake-up of the power module 24.
  • the power module 24 is used to provide power to the display module 21, the microcontroller module 22, and the DECT module 23.
  • the electronic shelf label proposed by the embodiment of the present invention uses a DECT module, and the electronic shelf label can receive the information information of the item sent by the relay device by using the preset frequency point and the receiving time slot by using the digital enhanced wireless communication method.
  • the update efficiency of the information further increases the battery life in the ESL system.
  • the electronic shelf label 2 may further include a wake-up module 25 and a pair code module 26, when the wake-up module 25 in the electronic shelf label 2 receives the electronic shelf label system
  • the wake-up module 25 forcibly wakes up the electronic shelf label 2.
  • the code module 26 uses the preset. The wireless mode outputs the identification information of the electronic shelf label 2 to the code matching device.
  • the code device may be a portable handheld device, such that when it is required to check whether a single electronic shelf label corresponds to its location attachment item or update information information of a single electronic shelf label, the code device can pass the electronic shelf label.
  • the forced wake-up module in the module and the identification information of the electronic shelf label obtained by the code module, and then the identification information of the article can be scanned, and the matching and updating of the article and the electronic shelf label can be performed, thereby improving the matching and matching efficiency of the article and the electronic shelf label.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 4 shows a structure of an electronic shelf label system according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are described in detail as follows:
  • the electronic shelf label system includes a control host 401, a relay device 402, and an electronic shelf label 403, wherein:
  • the control host 401 is configured to send the item information information to be updated to the electronic shelf label 403 through the corresponding relay device 402 when receiving the item information information update request.
  • the relay device 402 is configured to send the item information information to the preset electronic shelf label 403 by using the preset frequency point and the sending time slot in the digital enhanced wireless communication manner when receiving the item information information sent by the control host 401.
  • the electronic shelf label system may set one or more relay devices 402 according to an application scenario (ie, the number of ESLs to be installed). Since the DECT can support 10 carrier frequency points, in order to prevent the interference of each relay device when communicating with the electronic shelf label, the number of the relay devices 402 can be up to 10 in the embodiment of the present invention.
  • each relay device 402 can communicate with an electronic shelf label corresponding to the same frequency point at a different, predetermined frequency point, thereby preventing each relay device from communicating with the electronic shelf label. Interference occurs.
  • each relay device 402 can communicate with its corresponding electronic shelf label concurrently to achieve rapid update of the item information information, thereby effectively improving the item information. Information update efficiency.
  • the electronic shelf label 403 is configured to receive and display the item information information sent by the corresponding relay device 402 by using a preset frequency point and a receiving time slot in a DECT manner.
  • a plurality of electronic shelf labels 403 can communicate with a relay device in a DECT manner using the same frequency point, so that a plurality of electronic shelf labels 403 for DECT mode communication using the same frequency point are not used. Interference occurs, and within the range of the length of the DECT frame, each electronic shelf label is assigned a data receiving time slot and a data transmission time slot to form a duplex communication channel. Since each DECT frame length includes only 24 time slots, 12 electronic shelf tags can be allowed to communicate independently with the same relay device within one frame length within the same carrier frequency within one DECT frame length. In a particular implementation, it may be desirable to reserve one or two time slots as an alternate communication channel for an electronic shelf label system, for example, for registration of electronic shelf labels.
  • 10 or 11 electronic shelf labels can be independently communicated with the same relay device within one frame length, thereby effectively increasing the data transmission rate.
  • the 10 or 11 electronic shelf labels can form an ESL packet, as shown in FIG.
  • a relay device 402 can communicate with multiple ESL packets using the same frequency point, but within one frame length, the relay device 402 can only communicate with one ESL packet communicating using the same frequency point, when there are multiple ESL packets In time, multiple packets can be communicated in sequence to update the information.
  • the relay device in the electronic shelf label system simultaneously uses frequency division multiplexing and time division multiplexing to communicate with the electronic shelf label, thereby avoiding mutual interference between the electronic shelf labels and improving the update efficiency of the article information information.
  • the electronic shelf label system may further include a code matching device 404, configured to preset to a electronic shelf when the code request is received.
  • the tag sends a forced wake-up signal, and when the electronic shelf label 402 receives the forced wake-up signal sent by the preset wireless mode, exits the sleep mode, and returns the electronic shelf label 402 to the code-matching device 404 in the preset wireless manner.
  • Identification information The code device 404 receives the identification information returned by the electronic shelf label after waking up, and sends the identification information and its corresponding item identification information to the control host 401.
  • the preset wireless mode may be an RFID mode or a Bluetooth mode.
  • the code device 404 can be a portable handheld device, such that when it is required to check whether a single electronic shelf label corresponds to its location attachment item or updates the information information of a single electronic shelf label, the code device 404 acquires the electronic shelf.
  • the identification information of the label 403, and then the identification information of the item can be matched and updated by the control host 401 for the item and the electronic shelf label, thereby improving the efficiency of matching and checking the item and the electronic shelf label.
  • the corresponding item information information update request may be generated, thereby updating the information information of the electronic shelf label.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • FIG. 6 is a flowchart showing a method for updating an electronic shelf label by an electronic shelf label system according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown.
  • the electronic shelf label system includes: a control host, configured to send the item information information to be updated to the electronic shelf label through the corresponding relay device when receiving the item information information update request; For receiving the information information of the item sent by the control host, using the preset frequency point and the sending time slot to send the item information information to the preset electronic shelf label in the digital enhanced wireless communication manner; the electronic shelf label is used for The digital information communication method is used to receive and display the item information information sent by the corresponding relay device by using the preset frequency point and the receiving time slot.
  • step S601 when receiving the item information information update request, the control host sends the item information information to be updated to the electronic shelf label through the corresponding relay device.
  • step S602 when the relay device receives the item information information sent by the control host, the item information information is sent to the preset electronic shelf label by using the preset frequency point and the transmission time slot in the digital enhanced wireless communication mode.
  • step S603 the electronic shelf label receives and displays the item information information sent by the corresponding relay device by using the preset frequency point and the receiving time slot in a digital enhanced wireless communication manner to complete the update of the item information information.
  • the electronic shelf label system may include a plurality of the relay devices, and the plurality of relay devices respectively send the articles to the corresponding electronic shelf labels by using different frequency points and transmission time slots in a digital enhanced wireless communication manner.
  • Information information, and a plurality of electronic shelf labels can form an electronic shelf label group.
  • the electronic shelf labels in the group receive the information information of the items sent by the corresponding relay device by using the same frequency point and different receiving time slots in the digital enhanced wireless communication manner. And display.
  • one or more relay devices may be set according to an application scenario (ie, the number of ESLs that need to be installed). Since the DECT can support 10 carrier frequency points, in order to prevent interference of each relay device when communicating with the electronic shelf label, preferably, in the embodiment of the present invention, the number of the relay devices may be up to 10. Thus, in an electronic shelf label system, each relay device can communicate with an electronic shelf label corresponding to the same frequency point at a different, predetermined frequency point, thereby preventing each relay device from communicating with the electronic shelf label. Interference has occurred.
  • a plurality of electronic shelf labels can communicate with a relay device in a DECT manner using the same frequency point to implement update of the item information information, so that multiple electronic shelf labels that use the same frequency point for DECT communication do not occur.
  • each electronic shelf label is assigned a receive time slot and a transmit time slot to form a duplex communication channel. Since each DECT frame length includes only 24 time slots, 12 electronic shelf tags can be allowed to communicate independently with the same relay device within one frame length within the same carrier frequency within one DECT frame length. In a particular implementation, it may be desirable to reserve one or two time slots as an alternate communication channel for an electronic shelf label system, for example, for registration of electronic shelf labels.
  • 10 or 11 electronic shelf labels can be independently communicated with the same relay device within one frame length, thereby effectively increasing the data transmission rate.
  • the 10 or 11 electronic shelf labels may form one ESL packet, and one relay device 402 may communicate with multiple ESL packets using the same frequency point, but within one frame length, the relay device can only use the same frequency as one. Point communication ESL packet communication.
  • the electronic shelf label system may further include a code matching device, configured to send a forced wakeup signal to an electronic shelf label in a preset wireless manner when receiving the code request, and receive After the wake-up, the identification information returned by the electronic shelf label is sent to the control host to check the information displayed on the electronic shelf label.
  • a code matching device configured to send a forced wakeup signal to an electronic shelf label in a preset wireless manner when receiving the code request, and receive After the wake-up, the identification information returned by the electronic shelf label is sent to the control host to check the information displayed on the electronic shelf label.
  • the method for updating the electronic shelf label by the electronic shelf label system includes the following steps:
  • step S701 when receiving the code request, the code device transmits a forced wake-up signal to an electronic shelf label in a preset wireless manner.
  • step S702 when the electronic shelf label receives the forced wake-up signal sent by the code device in a preset wireless manner, the electronic shelf label is forcibly awakened, and the identification information of the electronic shelf label is returned to the code matching device in a preset wireless manner.
  • step S703 the code device receives the identification information returned by the electronic shelf label after waking up, and sends the identification information and the corresponding item identification information to the control host to check the information information displayed on the electronic shelf label.
  • step S704 the control host detects whether the information information displayed by the electronic shelf label and the information information corresponding to the item identification information are the same. If yes, step S709 is executed to end the flow, otherwise, S705 is performed.
  • the electronic shelf label needs to be registered in the control host before use to allocate corresponding identification information, set the DECT carrier frequency point, and receive and send time slots.
  • step S705 the control host generates a corresponding item information information update request and transmits the item information information to the corresponding relay device.
  • the control host when the control host detects that the information information displayed by the electronic shelf label is different from the information information corresponding to the item identification information, the information information displayed on the electronic shelf label needs to be updated, and at this time, the control host is based on the electronic
  • the identification information of the shelf label generates a corresponding item information information update request and transmits the item information information to the corresponding relay device.
  • the item information information update request may also be generated by the control host directly according to the request input by the user, and is not required to limit the present invention.
  • step S706 when receiving the item information information update request, the control host sends the item information information to be updated to the electronic shelf label through the corresponding relay device.
  • step S707 when the relay device receives the item information information sent by the control host, the item information information is sent to the preset electronic shelf label by using the preset frequency point and the transmission time slot in the digital enhanced wireless communication mode.
  • step S708 the electronic shelf label receives and displays the item information information sent by the corresponding relay device by using the preset frequency point and the receiving time slot in a digital enhanced wireless communication manner to complete the update of the item information information.
  • the relay device in the electronic shelf label system simultaneously uses frequency division multiplexing and time division multiplexing to communicate with the electronic shelf label, thereby avoiding mutual interference between the electronic shelf labels and improving the update efficiency of the article information information.

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Abstract

本发明适用于电子货架标签领域，提供了一种电子货架标签、电子货架标签系统及更新电子货架标签的方法，所述电子货架标签包括显示模块、微控制器模块、电源模块，还包括：DECT模块，用于以数字增强无线通信方式使用预设的频点和接收时隙接收中继设备发送的物品资讯信息，以在微控制器模块的控制下通过显示模块显示输出。在本发明实施例提出的电子货架标签系统中，每个电子货架标签包括有一DECT模块，使得每个电子货架标签可以通过数字增强无线通信方式使用预设的频点和接收时隙接收中继设备发送的物品资讯信息，避免了多个电子货架标签与电子货架标签系统中一个或多个中继设备同时通信时的相互干扰，提高了物品资讯信息的更新效率。

Description

电子货架标签、电子货架标签系统及更新ESL的方法 技术领域
本发明属于电子货架标签领域，尤其涉及一种电子货架标签、电子货架标签系统及更新电子货架标签的方法。
 背景技术
电子货架标签（Electronic Shelf Label，ESL）是一种设置在货架上商品附近、用于显示商品价格或资讯的装置。由于传统纸制标签在货架上商品信息变化（价格变动、库存变化等）时，只能被即时废弃，而ESL则可以被长时间使用，在商品信息变化时无需更换、丢弃，因此，相较于传统标签，ESL在更新显示资讯时可以节约大约的纸质材料，降低标签的使用成本。
典型的电子货架标签（ESL）系统的应用如图1所示，该系统主要包括三个基本逻辑功能层：控制层101、中继层102以及标签层103。其中，控制层101位于系统顶层，可以包括一个或多个控制设备，控制层中的设备向下可以连接一个或多个中继层102设备，而每个中继层102设备，以无线方式再向下连接标签层103中的多个ESL。
由于ESL系统需要支持、控制和管理大量的ESL，例如，一个典型的中等超市应用场景下，需要使用数千至数万个ESL，因此，在中继层设备和ESL之间需要一种有效的通信方式，以防止各个ESL与中继层设备之间的通信相互干扰，以提高通信效率，从而减少ESL内容更新时所消耗的时间，提高ESL电池的使用寿命。然而，目前现有技术尚不存在提供这样一种通信方式，以用于ESL系统。
 技术问题
本发明实施例的目的在于提供一种电子货架标签、电子货架标签系统及更新电子货架标签的方法，旨在解决现有技术无法提供一种有效的通信方式，以提高中继层设备和ESL之间的通信效率，从而防止各个ESL与中继层设备之间的通信相互干扰。
 技术解决方案
本发明实施例是这样实现的，一种电子货架标签，所述电子货架标签包括显示模块、微控制器模块、电源模块，所述电子货架标签还包括：
DECT模块，用于以数字增强无线通信方式使用预设的频点和接收时隙接收中继设备发送的物品资讯信息，以在所述微控制器模块的控制下通过所述显示模块显示输出。
本发明实施例的另一目的在于提供一种电子货架标签系统，所述系统包括：
控制主机，用于当接收到物品资讯信息更新请求时，通过对应的中继设备向电子货架标签发送待更新的物品资讯信息；
中继设备，用于当接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息；
电子货架标签，用于以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示。
本发明实施例的另一目的在于提供一种电子货架标签系统更新电子货架标签的方法，所述电子货架标签系统包括：
控制主机，用于当接收到物品资讯信息更新请求时，通过对应的中继设备向电子货架标签发送待更新的物品资讯信息；
中继设备，用于当接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息；
电子货架标签，用于以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示；
所述方法包括：
当接收到物品资讯信息更新请求时，所述控制主机通过对应的中继设备向电子货架标签发送待更新的物品资讯信息；
当中继设备接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息；
电子货架标签以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示，以完成物品资讯信息的更新。
 有益效果
本发明实施例提出的电子货架标签系统中，每个电子货架标签包括有一DECT模块，这样，每个电子货架标签可以通过数字增强无线通信方式使用预设的频点和接收时隙接收中继设备发送的物品资讯信息，从而避免了多个电子货架标签与电子货架标签系统中一个或多个中继设备同时通信时的相互干扰，提高了物品资讯信息的更新效率，进而提高了ESL中电池的使用寿命。
 附图说明
图1是现有电子货架标签系统的分层结构示意图；
图2是本发明实施例一提供的电子货架标签的结构示意图；
图3是本发明实施例一提供的电子货架标签的结构示意图；
图4是本发明实施例二提供的电子货架标签系统的结构示意图；
图5是本发明实施例二提供的电子货架标签系统的结构示意图；
图6是本发明实施例三提供的电子货架标签系统更新电子货架标签的方法的流程示意图；以及
图7是本发明实施例三提供的电子货架标签系统更新电子货架标签的方法的流程示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
以下结合具体实施例对本发明的具体实现进行详细描述：
实施例一：
图2示出了本发明一实施例提供的电子货架标签的结构，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下：
在本发明实施例中，电子货架标签2包括显示模块21、微控制器模块22、DECT模块23以及电源模块24，其中：
显示模块21用于显示货架上与电子货架标签2对应的物品的资讯信息，该资讯信息包括物品的名称、价格、类别、生产地、生产厂家、折扣等信息。
DECT模块23用于以数字增强无线通信方式使用预设的频点和接收时隙接收中继设备发送的物品资讯信息，以在微控制器模块22的控制下通过显示模块21显示输出。
数字增强无线通信（Digital Enhanced Cordless Telecommunications，DECT）是一种数字通信无线标准，可以支持10载波频点，每个DECT帧的长度为10ms，每个DECT帧包括24个时隙，其中12个时隙作为数据接收时隙，另外12个时隙作为数据发送时隙，一个电子货架标签可分配一个数据接收时隙和一个数据发送时隙以形成一个双工通讯通道。因此，在使用DECT进行通信时在同一帧长度内每个载波频点上实际共有12个相互独立的双工通讯通道。
作为示例地，在一电子货架标签系统进行资讯信息更新时，电子货架标签可以通过DECT模块以DECT方式使用一预设的频点、数据接收时隙和发送时隙与使用该预设频点的中继设备进行通信。由于DECT帧包括24个时隙，因此，同一载波频点上在一帧长度内可允许12个电子货架标签与同一中继设备进行独立的通信。在具体实施中，可能需要保留一至两个时隙作为电子货架标签系统的备用通信通道，例如，用于电子货架标签的注册等。因此，优选地，一个帧长度内可允许10或11个电子货架标签与同一中继设备进行独立的通信。
微控制器模块22用于控制显示模块21显示物品资讯信息，控制DECT模块23与中继设备的通信，控制电源模块24的休眠和/或唤醒等。
电源模块24用于向显示模块21、微控制器模块22以及DECT模块23提供电源。
本发明实施例提出的电子货架标签使用一DECT模块，依靠该EDCT通信模块，一电子货架标签可以通过数字增强无线通信方式使用预设的频点和接收时隙接收中继设备发送的物品资讯信息，以在微控制器模块的控制下通过显示模块显示输出物品资讯，从而避免了多个电子货架标签与电子货架标签系统中一个或多个中继设备同时通信时的相互干扰，提高了物品资讯信息的更新效率，进而提高了ESL系统中电池的使用寿命。
进一步地，如图3所示，在本发明另一实施例中，电子货架标签2还可以包括唤醒模块25以及对码模块26，当电子货架标签2中的唤醒模块25接收到电子货架标签系统中对码设备向电子货架标签2以预设无线方式发送强制唤醒信息时，唤醒模块25强制唤醒电子货架标签2，当唤醒模块25强制唤醒电子货架标签2后，对码模块26以该预设的无线方式向对码设备输出电子货架标签2的标识信息。
在该发明实施例中，对码设备可以为便携式手持设备，这样，当需要核对单个电子货架标签与其位置附件物品是否对应或更新单个电子货架标签的资讯信息时，对码设备可通过电子货架标签内的强制唤醒模块以及对码模块获取电子货架标签的标识信息，进而扫描物品的标识信息，即可进行物品和电子货架标签的匹配核对或更新，提高了物品和电子货架标签的匹配核对的效率。
实施例二：
图4示出了本发明一实施例提供的电子货架标签系统的结构，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下：
在本发明实施例中，电子货架标签系统包括控制主机401、中继设备402以及电子货架标签403，其中：
控制主机401用于当接收到物品资讯信息更新请求时，通过对应的中继设备402向电子货架标签403发送待更新的物品资讯信息。
中继设备402用于当接收到控制主机401发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签403发送物品资讯信息。
在本发明实施例中，如图4所示，该电子货架标签系统可以根据应用场景（即需要安装的ESL数量）设置一个或多个中继设备402。由于DECT可以支持10个载波频点，因此，为了防止各个中继设备在与电子货架标签进行通信时发生干扰，优选地，在本发明实施例中，中继设备402的数量最多可以为10。这样，在电子货架标签系统中，每台中继设备402可以以不同的、一预设的频点与使用对应相同频点的电子货架标签进行通信，从而防止各个中继设备在与电子货架标签通信时发生干扰。在电子货架标签403较多的情况下（例如，大型超市中），每个中继设备402可以与其对应的电子货架标签并发地进行通信，以实现物品资讯信息的快速更新，从而有效提高物品资讯信息的更新效率。
电子货架标签403用于以DECT方式使用预设的频点和接收时隙接收对应中继设备402发送的物品资讯信息并显示。
在本发明实施例中，多个电子货架标签403可以使用相同的频点与一中继设备以DECT方式进行通信，为了使使用相同频点进行DECT方式通信的多个电子货架标签403之间不发生干扰，在DECT帧长度的范围内，为每个电子货架标签分配一个数据接收时隙和一个数据发送时隙以形成一个双工通讯通道。由于每个DECT帧长度只包括24个时隙，因此，在一个DECT帧长度内，同一载波频点上在一帧长度内可允许12个电子货架标签与同一中继设备进行独立的通信。在具体实施中，可能需要保留一至两个时隙作为电子货架标签系统的备用通信通道，例如，用于电子货架标签的注册。因此，优选地，一个帧长度内可允许10或11个电子货架标签与同一中继设备进行独立的通信，从而有效提高数据传输率。这10或11个电子货架标签可以形成一个ESL分组，具体如图4所示。一个中继设备402可以与多个ESL分组使用相同频点进行通信，但在一个帧长度内，该中继设备402只能与一个使用相同频点通信的ESL分组通信，当存在多个ESL分组时，可以依次与多个分组进行通信，以实现资讯信息的更新。
在本发明实施中，电子货架标签系统中的中继设备同时利用频分复用和时分复用与电子货架标签进行通信，避免了电子货架标签之间相互干扰，提高了物品资讯信息的更新效率。
进一步地，如图5所示，在本发明另一实施例中，电子货架标签系统还可以包括对码设备404，以用于当接收到对码请求时，以预设无线方式向一电子货架标签发送强制唤醒信号，当电子货架标签402接收到以所述预设无线方式发送的强制唤醒信号时，退出休眠模式，并以所述预设无线方式向对码设备404返回电子货架标签402的标识信息。对码设备404接收唤醒后电子货架标签返回的标识信息，将所述标识信息和其对应的物品标识信息发送给控制主机401。其中，预设的无线方式可以为RFID方式、蓝牙方式等。
在本发明实施例中，对码设备404可以为便携式手持设备，这样，当需要核对单个电子货架标签与其位置附件物品是否对应或更新单个电子货架标签的资讯信息时，对码设备404获取电子货架标签403的标识信息，进而扫描物品的标识信息，即可由控制主机401进行物品和电子货架标签的匹配核对或更新，提高了物品和电子货架标签的匹配核对的效率。当检测出物品和电子货架标签不匹配时，可以生成对应的物品资讯信息更新请求，进而实现电子货架标签的资讯信息的更新。
实施例三：
图6示出了本发明一实施例提供的电子货架标签系统更新电子货架标签的方法的流程，为了便于说明，仅示出了与本发明实施例相关的部分。
在本发明实施例中，该电子货架标签系统包括：控制主机，用于当接收到物品资讯信息更新请求时，通过对应的中继设备向电子货架标签发送待更新的物品资讯信息；中继设备，用于当接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息；电子货架标签，用于以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示。
该电子货架标签系统更新电子货架标签的方法包括：
在步骤S601中，当接收到物品资讯信息更新请求时，控制主机通过对应的中继设备向电子货架标签发送待更新的物品资讯信息。
在步骤S602中，当中继设备接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息。
在步骤S603中，电子货架标签以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示，以完成物品资讯信息的更新。
在本发明实施例中，电子货架标签系统可以包括多个所述中继设备，多个中继设备分别以数字增强无线通信方式使用不同的频点和发送时隙向对应的电子货架标签发送物品资讯信息，而多个电子货架标签可以形成一个电子货架标签分组，分组内的电子货架标签以数字增强无线通信方式使用相同的频点、不同的接收时隙接收对应中继设备发送的物品资讯信息并显示。
具体地，可以根据应用场景（即需要安装的ESL数量）设置一个或多个中继设备。由于DECT可以支持10载波频点，因此，为了防止各个中继设备在与电子货架标签进行通信时发生干扰，优选地，在本发明实施例中，中继设备的数量最多可以为10。这样，在电子货架标签系统中，每台中继设备可以以不同的、一预设的频点与使用对应相同频点的电子货架标签进行通信，从而防止各个中继设备在与电子货架标签通信时发生干扰。
多个电子货架标签可以使用相同的频点与一中继设备以DECT方式进行通信，以实现物品资讯信息的更新，为了使使用相同频点进行DECT方式通信的多个电子货架标签之间不发生干扰，在DECT帧长度的范围内，为每个电子货架标签分配一个接收时隙和一个发送时隙以形成一个双工通讯通道。由于每个DECT帧长度只包括24个时隙，因此，在一个DECT帧长度内，同一载波频点上在一帧长度内可允许12个电子货架标签与同一中继设备进行独立的通信。在具体实施中，可能需要保留一至两个时隙作为电子货架标签系统的备用通信通道，例如，用于电子货架标签的注册。因此，优选地，一个帧长度内可允许10或11个电子货架标签与同一中继设备进行独立的通信，从而有效提高数据传输率。这10或11个电子货架标签可以形成一个ESL分组，一个中继设备402可以与多个ESL分组使用相同频点进行通信，但在一个帧长度内，该中继设备只能与一个使用相同频点通信的ESL分组通信。
进一步地，在本发明另一实施例中，电子货架标签系统还可以包括对码设备，以用于当接收到对码请求时，以预设无线方式向一电子货架标签发送强制唤醒信号，接收唤醒后电子货架标签返回的标识信息，将标识信息和其对应的物品标识信息发送给控制主机，以对电子货架标签显示的资讯信息进行核对。
此时，如图7所示，电子货架标签系统更新电子货架标签的方法包括下述步骤：
在步骤S701中，当接收到对码请求时，对码设备以预设无线方式向一电子货架标签发送强制唤醒信号。
在步骤S702中，当电子货架标签接收到对码设备以预设无线方式发送的强制唤醒信号时，强制唤醒电子货架标签，并以预设无线方式向对码设备返回电子货架标签的标识信息。
在步骤S703中，对码设备接收唤醒后电子货架标签返回的标识信息，将标识信息和其对应的物品标识信息发送给控制主机，以对电子货架标签显示的资讯信息进行核对。
在步骤S704中，控制主机检测电子货架标签显示的资讯信息与物品标识信息对应的资讯信息是否相同，是则执行步骤S709，结束流程，否则执行S705。
在本发明实施例中，电子货架标签在使用前需要在控制主机中进行注册，以为其分配对应标识信息，设置DECT载波频点以及接收和发送时隙。
在步骤S705中，控制主机生成对应的物品资讯信息更新请求并将物品资讯信息发送给对应的中继设备。
在本发明实施例中，当控制主机检测电子货架标签显示的资讯信息与物品标识信息对应的资讯信息不相同时，则需要对电子货架标签显示的资讯信息进行更新，此时，控制主机根据电子货架标签的标识信息生成对应的物品资讯信息更新请求并将物品资讯信息发送给对应的中继设备。
在具体实施过程中，物品资讯信息更新请求也可以是控制主机直接根据用户输入的请求生成的，在此不用以限制本发明。
在步骤S706中，当接收到物品资讯信息更新请求时，控制主机通过对应的中继设备向电子货架标签发送待更新的物品资讯信息。
在步骤S707中，当中继设备接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息。
在步骤S708中，电子货架标签以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示，以完成物品资讯信息的更新。
在本发明实施中，电子货架标签系统中的中继设备同时利用频分复用和时分复用与电子货架标签进行通信，避免了电子货架标签之间相互干扰，提高了物品资讯信息的更新效率。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种电子货架标签，所述电子货架标签包括显示模块、微控制器模块、电源模块，其特征在于，所述电子货架标签还包括：
    DECT模块，用于以数字增强无线通信方式使用预设的频点和接收时隙接收中继设备发送的物品资讯信息，以在所述微控制器模块的控制下通过所述显示模块显示输出。
  2. 如权利要求1所述的电子货架标签，其特征在于，所述电子货架标签还包括：
    唤醒模块，用于当接收到以预设无线方式发送的强制唤醒所述电子货架标签的信号时，强制唤醒所述电子货架标签；
    对码模块，用于当所述唤醒模块强制唤醒所述电子货架标签后，以所述预设无线方式输出所述电子货架标签的标识信息。
  3. 一种电子货架标签系统，其特征在于，所述系统包括：
    控制主机，用于当接收到物品资讯信息更新请求时，通过对应的中继设备向电子货架标签发送待更新的物品资讯信息；
    中继设备，用于当接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息；
    电子货架标签，用于以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示。
  4. 如权利要求3所示的电子货架标签系统，其特征在于，所述系统包括多个所述中继设备，多个所述中继设备分别以数字增强无线通信方式使用不同的频点和发送时隙向对应的电子货架标签发送物品资讯信息。
  5. 如权利要求3所示的电子货架标签系统，其特征在于，多个所述电子货架标签形成一个电子货架标签分组，分组内的电子货架标签以数字增强无线通信方式使用相同的频点、不同的接收时隙接收对应中继设备发送的物品资讯信息并显示。
  6. 如权利要求3所示的电子货架标签系统，其特征在于，所述系统还包括：
    对码设备，用于当接收到对码请求时，以预设无线方式向一电子货架标签发送强制唤醒信号，接收唤醒后电子货架标签返回的标识信息，将所述标识信息和其对应的物品标识信息发送给所述控制主机。
  7. 如权利要求6所示的电子货架标签系统，其特征在于，所述电子货架标签还用于当接收到以预设无线方式发送的强制唤醒信号时，强制唤醒所述电子货架标签，并以所述预设无线方式向对码设备返回所述电子货架标签的标识信息。
  8. 一种电子货架标签系统更新电子货架标签的方法，其特征在于，所述电子货架标签系统包括：
    控制主机，用于当接收到物品资讯信息更新请求时，通过对应的中继设备向电子货架标签发送待更新的物品资讯信息；
    中继设备，用于当接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息；
    电子货架标签，用于以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示；
    所述方法包括：
    当接收到物品资讯信息更新请求时，所述控制主机通过对应的中继设备向电子货架标签发送待更新的物品资讯信息；
    当中继设备接收到控制主机发送过来的物品资讯信息时，以数字增强无线通信方式使用预设的频点和发送时隙向预设的电子货架标签发送物品资讯信息；
    电子货架标签以数字增强无线通信方式使用预设的频点和接收时隙接收对应中继设备发送的物品资讯信息并显示，以完成物品资讯信息的更新。
  9. 如权利要求8所示的方法，其特征在于，所述系统包括多个所述中继设备，多个所述中继设备分别以数字增强无线通信方式使用不同的频点和发送时隙向对应的电子货架标签发送物品资讯信息。
  10. 如权利要求8所示的方法，其特征在于，多个所述电子货架标签形成一个电子货架标签分组，分组内的电子货架标签以数字增强无线通信方式使用相同的频点、不同的接收时隙接收对应中继设备发送的物品资讯信息并显示。
  11. 如权利要求8所示的方法，其特征在于，所述系统还包括：
    对码设备，用于当接收到对码请求时，以预设无线方式向一电子货架标签发送强制唤醒信号，接收唤醒后电子货架标签返回的标识信息，将所述标识信息和其对应的物品标识信息发送给所述控制主机；
    所述方法还包括：
    当接收到对码请求时，所述对码设备以预设无线方式向一电子货架标签发送强制唤醒信号；
    当所述电子货架标签接收到所述对码设备以预设无线方式发送的强制唤醒信号时，强制唤醒所述电子货架标签，并以所述预设无线方式向对码设备返回所述电子货架标签的标识信息；
    所述对码设备接收唤醒后电子货架标签返回的标识信息，将所述标识信息和其对应的物品标识信息发送给所述控制主机，以使所述控制主机对电子货架标签显示的资讯信息进行核对。
PCT/CN2013/076292 2013-05-27 2013-05-27 电子货架标签、电子货架标签系统及更新esl的方法 WO2014190476A1 (zh)

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