WO2012155826A1 - 多电子价格标签组系统 - Google Patents

多电子价格标签组系统 Download PDF

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Publication number
WO2012155826A1
WO2012155826A1 PCT/CN2012/075498 CN2012075498W WO2012155826A1 WO 2012155826 A1 WO2012155826 A1 WO 2012155826A1 CN 2012075498 W CN2012075498 W CN 2012075498W WO 2012155826 A1 WO2012155826 A1 WO 2012155826A1
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WIPO (PCT)
Prior art keywords
electronic price
price tag
wireless transceiver
transceiver unit
bottom plate
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PCT/CN2012/075498
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English (en)
French (fr)
Inventor
韩梅
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特赢力信息技术(上海)有限公司
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Publication of WO2012155826A1 publication Critical patent/WO2012155826A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management

Definitions

  • the invention relates to an electronic price tag for a store shelf identification, in particular to adopting a radio frequency signal wireless automatic identification technology for identifying and data communication of electronic price tags of a plurality of commodities, and acquiring and changing related data, belonging to radio frequency identification (RFID) ) Technology area.
  • RFID radio frequency identification
  • Each electronic price tag has its own separate wireless receiving module, liquid crystal display module, and each electronic price tag is powered by a separate battery. That is to say, each electronic price tag on the existing store shelves is a separate, independently workable tag device, and each individual electronic price tag device needs to be equipped with its own wireless communication module, which leads to electronics.
  • the cost of the price tag is higher. For example, a medium and large supermarket has tens of thousands of goods.
  • the existing electronic price tag system not only has high cost, but also causes too much communication bandwidth when data is sent and received, which leads to an increase in communication costs.
  • each electronic price tag is equipped with a separate power supply battery, such high-volume battery applications can indirectly lead to increased environmental pollution. Summary of the invention:
  • the electronic price tag of the present invention uses a plurality of electronic price tags to share a single wireless transceiver unit, and shares an external power supply to uniformly supply power to the entire multi-electronic price tag group system.
  • the technical solution of the present invention is as follows:
  • a multi-electronic price tag group system comprising: a wireless transceiver unit having a wireless transceiver function; a multi-electronic price tag group comprising at least two electronic price tags, each of the plurality of electronic price tag groups
  • the price tags are each provided with a liquid crystal display device having a liquid crystal display function and a tag circuit control unit; an external power supply; a slot type bottom plate provided with a conductive line; and a store price release subsystem.
  • the wireless transceiver unit is in wireless communication connection with the mall price release subsystem, and the wireless transceiver unit passes the conductive line disposed on the slot type bottom plate.
  • the wireless transceiver unit performs wireless network communication with the store price release subsystem, and wirelessly receives from/to the store price release subsystem Or transmitting communication data; on the other hand, the wireless transceiver unit performs wired data communication with each electronic price tag of the group in which it is located.
  • each electronic price tag in the multi-electronic price tag group system includes: a liquid crystal display; a tag control unit configured to control display of the liquid crystal display, and is responsible for communicating with the wireless transceiving unit; a DC power supply access module; a first serial communication module; and two first power supply access spring contacts from the first DC power supply access module and the first serial communication module The two first communication connections are spring stylus.
  • the workflow of the electronic price tag is as follows:
  • the electronic price tag is connected to the DC power source from the two first power source access spring contacts, thereby supplying power to the tag control unit and the liquid crystal display;
  • the tag control unit is provided with a unique machine device No., the machine device number is used as a communication device address of wired data communication; upon initial power-on, the tag control unit sends the stored display content to the liquid crystal display; when from the first serial communication module After receiving the new display data sent by the mall price distribution subsystem transmitted to the wireless transceiver unit via the serial communication line, storing the new display data and simultaneously updating the data displayed on the liquid crystal display content.
  • the tag control unit is an 8-bit, 16-bit or 32-bit MCU 1.
  • the single chip 1 is an Atmel ATmega48 or TI MSP430F413 type single chip microcomputer.
  • the wireless transceiver unit includes: a wireless communication module, a wireless communication control unit, a second DC power access module, a second serial communication module, and two firsts extracted from the second DC power access module
  • the two power supply access spring stylus and the two second communication connection spring stylus leads from the second serial communication module.
  • the workflow of the wireless transceiver unit is as follows:
  • the wireless transceiver unit accesses the spring stylus from the second power source into the DC power source to supply power to the wireless communication module and the wireless communication control unit; when initially powered on, the wireless communication module registers for registration Going to the mall price release subsystem; after the wireless communication module receives the newly displayed content from the mall price issue subsystem for the specified electronic price tag, the specified communication electrons are passed through the serial communication module
  • the price tag sends new display content data.
  • the specified electronic price tag refers to the machine number index of the electronic price tag The electronic price tag.
  • the wireless communication control unit is a Jennie 5139, Jennic 5148 or TI CC430 microcontroller.
  • the trough-shaped bottom plate is designed in a groove shape with concave strips on both sides thereof for facilitating insertion of an upper electronic price tag into the concave strip and fixing and clamping
  • the trough-type bottom plate comprising: a circuit wire a fixed slot of the board, the slot-shaped chassis, and the fixed circuit board, wherein the circuit board is electrically conductive, wherein the circuit board is a four-wire: a power line, a ground line, and two data communication lines, wherein the power line and The bottom line is used for external power supply to supply power to the system, and the two data communication lines are used as a wired communication interconnection channel between the wireless transceiver unit and each electronic price tag, so that each electronic price tag and the wireless transceiver unit can receive and transmit signals by wire.
  • the four strands of wire employ four parallel conductive strips.
  • the two data communication lines for data communication in the four-wire electric wires realize communication in a differential manner by using two RS485 communication lines.
  • connection configuration between the multi-electronic price tag group, the wireless transceiver unit, and the slot type backplane is as follows:
  • the multi-electronic price tag group and the wireless transceiver unit are pressed into the convex portions on both sides of the slot type bottom plate, and are inserted into the concave grooves on both sides of the groove type bottom plate, thereby multi-electronic price tag group, wireless transceiver unit and slot type
  • the bottom plate is fixedly mounted together, wherein the multi-electronic price tag group and the four spring contact pins of the wireless transceiver unit are in electrical contact with the four conductive wires at the bottom of the trough bottom plate; the four springs of each electronic price tag of the multi-electronic price tag group
  • the stylus is in electrical contact with the four conductive lines at the bottom of the trough bottom plate, wherein two of the four conductive lines supply power to the respective electronic price tags, and the other two lines are wired communication conductive lines.
  • a wireless transceiver unit and a plurality of electronic price tag group components can be simultaneously pressed into the slotted base plate, and the press-in is
  • the technical solution adopted by the present invention can reduce the number of nodes for wireless communication of the multi-electronic price tag group system, thereby causing the load of the wireless channel to decrease. Therefore, the plurality of commercial electronic price tags used in the present invention share the technical solution of one wireless transceiver unit, which is beneficial to improving communication reliability and Helps reduce overall costs.
  • the multi-LCD display device group according to the present invention adopts a method of uniformly supplying power from an external power source, and since the battery is not used, it is advantageous in reducing environmental pollution and eliminating the trouble of replacing the battery when the battery is exhausted.
  • FIG. 1 is a block diagram showing the internal structure of each electronic price tag unit in a multi-electronic price tag group in a multi-electronic price tag group system implemented in accordance with the present invention
  • FIG. 2 is a flowchart showing the operation of one embodiment of an electronic price tag implemented in accordance with FIG. 1.
  • FIG. 3 is a block diagram showing the internal structure of a wireless transceiver unit in a multi-electronic price tag group system implemented in accordance with the present invention;
  • FIG. 4 is a flow chart showing an embodiment of a wireless transceiver unit in a multiple electronic price tag group system implemented in accordance with FIG. 3;
  • FIG. 5 is a cross-sectional view showing the structure of a trough-type bottom plate according to an embodiment of the present invention
  • FIG. 6 is a schematic view showing the assembly and connection between a single electronic price tag, a wireless transceiving unit, and a trough-type bottom plate according to an embodiment of the present invention. ;
  • FIG. 7 is a schematic view showing the assembly connection between a multi-electronic price tag group, a wireless transceiver unit, and a slot type chassis according to an embodiment of the present invention
  • Fig. 8 is a view showing the overall effect of the assembly connection between the multi-electronic price tag group, the wireless transceiving unit, and the trough type substrate according to an embodiment of the present invention. detailed description:
  • the invention discloses a multi-electronic price tag group system, and the system is designed to be installed on each row of shelves. Loading one of the label group systems, each of the label groups is equipped with a plurality of liquid crystal display devices (such as
  • each electronic price tag corresponds to a product on the store shelf, and each electronic price tag may be equally spaced, or may be non-equal spacing, and adjusted according to the position of the goods.
  • the present invention can realize that all electronic price tag components in the multi-electronic price tag group system can realize network communication interconnection through the same wireless transceiver unit and the mall price release subsystem.
  • the multi-electronic price tag group system of the present invention comprises: a wireless transceiver unit 10000 having a wireless transceiving function; a multi-electronic price tag group including at least two electronic price tags, the multi-electronic price tag
  • Each electronic price tag 200 in the group is provided with a liquid crystal display device (such as an LCD) having a liquid crystal display function and a tag circuit control unit (such as the single chip microcomputer 1); a slot type bottom plate 300 on which a conductive line is disposed; an external power supply ; and the mall price release subsystem.
  • the wireless transceiver unit 100 is in wireless communication connection with the arcade price release subsystem.
  • the wireless transceiver unit 100 also passes the electrical lines on the slot substrate 300 and the electronic components on the set of shelves.
  • the price tag 200 has an existing line electrical connection.
  • the wireless transceiver unit 100 can perform wireless network communication with the mall price release subsystem (such as a shopping mall server), wirelessly receive or transmit communication data from/to the mall price release subsystem; on the other hand, because each group of shelves is equipped
  • Each of the electronic price tags 200 on the multi-electronic price tag group is electrically connected to the wireless transceiver unit 100 through the conductive lines disposed on the slot-type substrate 300. Therefore, the wireless transceiver unit 100 and each electronic price tag of the group in which it is located Wired data communication is available for all 200 components. Therefore, the wireless transceiver unit 100 linearly transmits the commodity price and related data information wirelessly received from the mall price distribution subsystem to the electronic price tag corresponding to the commodity, thereby displaying the commodity price and related data information from the electronic price tag. Variety.
  • each electronic price tag 200 in the multi-electronic price tag set system implemented in accordance with the present invention is as shown in FIG. 1, which includes: a liquid crystal display device (such as a liquid crystal display LCD), a tag control unit (such as the single chip microcomputer 1), the first DC power supply access module, the first serial communication module, and the two first power supply spring styluses from the first DC power supply access module and are connected by the first serial communication
  • the two first communication connections from the module are spring stylus and the like.
  • the tag control unit (such as the MCU 1) is used to control the display of the LCD and is responsible for communicating with the wireless transceiver unit.
  • FIG. 2 shows a working flow diagram of one embodiment of an electronic price tag implemented in accordance with Figure 1, in conjunction with Figures 1 and 2
  • the electronic price tag shown, and with the single chip microcomputer 1 as a preferred embodiment of the tag control unit, the electronic price tag 200 of the present invention works as follows:
  • the electronic price tag 200 introduces a DC power source from the first power supply spring stylus to power the liquid crystal display provided on the single chip 1 and the electronic price tag.
  • the single-chip device 1 is provided with a unique machine device number, and the machine device number is also used as the communication device address of the wired data communication; at the initial power-on, the single-chip microcomputer 1 transmits the stored display content to the liquid crystal display; when from the first string
  • the line communication module stores the new display data by the label control unit, and updates the The data content displayed on the LCD.
  • the new display data is transmitted to the wireless transceiver unit via the serial communication line, and is forwarded by the wireless transceiver unit to the first serial communication module in the electronic price tag.
  • the single chip microcomputer 1 may be an 8-bit, 16-bit or 32-bit single chip microcomputer.
  • the single chip microcomputer 1 may be a common single chip such as the Atmel ATmega48 or the TI MSP430F413 commonly known to those skilled in the art.
  • the internal structure of the wireless transceiver unit 100 in the multi-electronic price tag group system implemented in accordance with the present invention is as shown in FIG. 3, and includes: a wireless communication module, a wireless communication control unit (such as the single chip microcomputer 2), a second DC power access module, a second serial communication module, and two second power supply access spring pins that are led from the second DC power supply access module and two second communication connection spring contacts that are led out by the second serial communication module.
  • 4 is a flow chart showing the operation of the wireless transceiver unit 100 in the multi-electronic price tag group system implemented in accordance with FIG.
  • the function of the wireless communication control unit is implemented by the single chip microcomputer.
  • the wireless transceiver unit 100 according to the present invention operates as follows:
  • the wireless transceiver unit 100 introduces a DC power source from the second power supply access spring contact pin to supply power to the wireless communication module and the single chip microcomputer 2; upon initial power-on, the wireless communication module registers and registers with the mall price release subsystem; when the wireless communication module is from the mall After the price release subsystem receives the newly displayed content for the specified electronic price tag, the new display content data is transmitted to the corresponding electronic price tag through the second serial communication module.
  • the specified electronic price tag refers to an electronic price tag obtained by indexing the machine number of the electronic price tag.
  • the single chip microcomputer 2 can be a common single chip such as a Jennie 5139 type, a Jennic 5148 type or a TI CC430 type known to those skilled in the art.
  • the trough-shaped bottom plate 300 is designed in a groove shape with concave strips on both sides to facilitate insertion of the upper LCD display member into the concave strip and to be fixedly stuck, preferably, as shown in FIG.
  • the trough-type bottom plate 300 includes: a circuit lead plate 301, a trough-shaped chassis 302, and a fixing groove 303 for fixing a circuit lead plate, wherein the circuit lead plate is provided with a conductive wire 304.
  • the conductive wires disposed on the circuit conductor board are at least four wires: a power line, a ground line, and at least two data communication lines are preferably.
  • the circuit lead plate is a four-wire wire: a power line, a ground line, and two data communication lines, wherein the power line and the bottom line are used for external power supply to supply power to the system, and the two data communication lines are used as a wireless transceiver unit and each electronic A wired communication interconnection channel between price tags for receiving and transmitting signals between the respective electronic price tags and the wireless transceiver unit.
  • the two strands of wires used for data communication in the four strands of wire communicate in a differential manner using two RS485 communication lines.
  • the four-wire electrical wire employs four parallel conductive strips.
  • Figure 5 shows the distribution of four parallel conductive strips arranged on a circuit conductive plate in the slotted backplane component.
  • the circuit lead plate 301 is mounted on the lower fixed groove 303 in the groove of the grooved bottom plate 300, and the four conductive wires 304 are insulated from each other on the circuit lead plate 301.
  • four conductive wires 304 are provided. This is achieved in the form of four parallel conductive strips arranged on the circuit conductor board 301.
  • connection between each of the electronic price tag 200 and the slot type substrate 300 in the wireless transceiver unit 100 and the multi-electronic price tag group is configured as follows. :
  • the electronic price tag 200 in the wireless transceiver unit 100 and the multi-electronic price tag group are respectively pressed into the convex portions on both sides of the trough-type bottom plate 300, and are inserted into the concave grooves on both sides of the trough-type bottom plate 300, thereby transmitting and receiving wirelessly.
  • the unit 100, the electronic price tag 200 and the trough bottom plate 300 are fixedly mounted together.
  • the electronic price tag 100 and the four spring contacts of the wireless transceiver unit 200 are in electrical contact with the four parallel conductive strips at the bottom of the slotted base plate 3.
  • each of the wireless transceiver unit 100 and the plurality of electronic price tag sets can be simultaneously pressed into the slotted base 300, and the press-in can be effected at equal or unequal intervals.
  • the four spring contact pins of each electronic price tag 200 of the multi-electronic price tag set are in electrical contact with the four parallel conductive strips at the bottom of the trough-type bottom plate 300, wherein two of the four parallel conductive strips supply power to the respective electronic price tag 200, The other two lines are wired communication wires.
  • Figure 8 is a multi-electronic price tag group system in accordance with the present invention The appearance of the picture.
  • the wireless transceiver unit of the present invention performs wireless network communication with the commodity data center network system through a wireless communication function.
  • the wireless transceiver unit also implements a wired communication connection with each of the electronic price tags of the multi-electronic price tag via a data communication line of the circuit board on the slotted backplane. Based on the above design, the present invention can effectively realize that each electronic price tag in the multi-electronic price tag group can communicate with the mall data center network system through the wireless transceiver unit.

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Description

多电子价格标签组系统 技术领域:
本发明涉及用于商场货架标识的电子价格标签, 具体涉及采用射频信号 无线自动识别技术对于多个商品的电子价格标签进行身份识别和数据通信, 并获取和更改相关数据, 属于无线射频识别 (RFID) 技术领域。 背景技术:
目前的商用电子价格标签通常是基于单个电子价格标签设备独立工作 的, 每一个电子价格标签均具有各自分立的无线接收模块、 液晶显示模块, 并且每个电子价格标签都采用独立的电池供电。 也就是说, 现有的商场货架 上的每一个电子价格标签都是一个分立的可独立工作的标签设备, 其每一单 个电子价格标签设备均需配备自身的无线通信模块, 这样就会导致电子价格 标签的成本较高。 例如, 一个中大型超市, 其商品货位达上万种, 采用现有 的电子价格标签系统不仅造价高, 而且还会导致数据收发时占用的通信带宽 过多, 从而带来通信成本的增加。 此外, 由于每个电子价格标签均配有独立 的供电电池, 而这种大批量的电池应用也会间接地导致环境污染的加剧。 发明内容:
在发明内容部分中引入了一系列简化形式的概念, 这将在具体实施方式 部分中进一步详细说明。
为克服现有技术中存在的上述问题, 本发明的电子价格标签采用多个电 子价格标签共用一个无线收发单元, 且共用一个外接电源给整个多电子价格 标签组系统统一供电。 本发明的技术方案如下:
多电子价格标签组系统,其包括:一个无线收发单元,其具有无线收 25 发 功能; 多电子价格标签组, 其包含至少两个电子价格标签, 所述多电子价格 标签组中的每一个电子价格标签均配置有具有液晶显示功能的液晶显示设备 和标签电路控制单元; 一个外接电源; 一个布置有导电线的槽型底板; 以及 商场价格发布子系统。 其中, 所述无线收发单元与所述商场价格发布子系统 进行无线通信连接, 所述该无线收发单元通过所述槽型底板上布置的导电线 与所述多电子价格标签组上的每一个电子价格标签实现有线电连接, 从而使 得所述无线收发单元与所述商场价格发布子系统进行无线网络通信, 从 /向商 场价格发布子系统无线接收或发送通信数据; 另一方面, 所述无线收发单元 与其所在组的每一个电子价格标签均进行有线数据通信。
进一步地, 所述多电子价格标签组系统中的每个电子价格标签包括: 液 晶显示器; 标签控制单元, 其用于控制所述液晶显示器的显示, 并负责与所 述无线收发单元通信; 第一直流电源接入模块; 第一串行通信模块; 以及从 所述第一直流电源接入模块引出的两个第一电源接入弹簧触针和由所述第一 串行通信模块引出的两个第一通信连接用弹簧触针。 所述电子价格标签的工 作流程如下:
所述电子价格标签从所述两个第一电源接入弹簧触针弓 I入直流电源, 从 而给所述标签控制单元和所述液晶显示器供电; 所述标签控制单元中设置有 唯一的机器设备编号, 所述机器设备编号作为有线数据通信的通信设备地址; 初始上电时, 所述标签控制单元将所存储的显示内容发送到所述液晶显示器 显示; 当从所述第一串行通信模块接收到经由串行通信线路传送给无线收发 单元的所述商场价格发布子系统所发送的新的显示数据后, 将所述新的显示 数据存储起来, 同时更新所述液晶显示器上所显示的数据内容。
其中, 所述标签控制单元是 8位、 16位或 32位的单片机 1。 所述单片机 1为 Atmel ATmega48或 TI MSP430F413型单片机。
进一步地, 所述无线收发单元包括: 无线通信模块、 无线通信控制单元、 第二直流电源接入模块、 第二串行通信模块, 以及从所述第二直流电源接入 模块引出的两个第二电源接入弹簧触针和由所述第二串行通信模块引出的两 个第二通信连接用弹簧触针。 所述无线收发单元的工作流程如下:
所述无线收发单元从所述第二电源接入弹簧触针弓 I入直流电源, 从而 给所述无线通信模块和所述无线通信控制单元供电; 初始上电时, 所述无 线通信模块登录注册到所述商场价格发布子系统中; 当所述无线通信模块 从商场价格发布子系统接收到对指定的电子价格标签新显示的内容后, 通 过所述串行通信模块向所述所指定的电子价格标签发送新的显示内容数 据。 所述指定的电子价格标签是指按电子价格标签的机器设备编号索引所 得的电子价格标签。
其中, 所述无线通信控制单元是 Jennie 5139 型、 Jennic5148 型或 TI CC430型单片机。
优选地, 所述槽型底板设计成槽形形状, 其两侧有凹形条以便于将上部 的电子价格标签插入所述凹形条中并固定卡住, 所述槽型底板包括: 电路导 线板、 槽形底架、 固定电路导线板的固定槽, 其中电路导线板上布置有导电 其中, 所述电路导线板为四股电线: 电源线、 地线、 两根数据通信线, 其中电源线和底线用于外接电源通过其给系统供电, 两根数据通信线用作无 线收发单元与各个电子价格标签间的有线通信互联通道, 以便各个电子价格 标签与无线收发单元之间进行有线接收和发送信号。 所述四股电线采用四条 平行的导电条。 所述四股电线中用于数据通信的所述两根数据通信线采用两 股 RS485通信线以差分方式实现通信。
进一步地, 所述多电子价格标签组、 无线收发单元和槽型底板之间的连 接配置方式如下:
多电子价格标签组、 无线收发单元压入槽型底板上的两侧凸起部位, 并 卡入槽型底板两侧的凹形槽中, 从而将多电子价格标签组、 无线收发单元和 槽型底板固定安装在一起, 其中, 多电子价格标签组和无线收发单元的四个 弹簧触针与槽型底板底部的四条导电线电接触; 多电子价格标签组的每一个 电子价格标签的四个弹簧触针与槽型底板底部的四条导电线电接触, 其中, 四条导电线的其中两条向各个电子价格标签供电, 另两条线路为有线通信导 电线。 一个无线收发单元和多个电子价格标签组部件可以同时压入槽型底板 中, 压入以等间隔或不等间隔位置实现。 由此, 形成一个多电子价格标签组。
本发明的有益效果:
( 1 ) 由于采用多个商用电子价格标签共用一个无线收发单元与商场价格 发布子系统进行无线通信连接, 即降低了整体的成本。 此外, 由于本发明采 用的技术方案可以使得所述多电子价格标签组系统进行无线通信的节点数量 减少, 从而导致无线信道的负载降低。 由此, 本发明采用的多个商用电子价 格标签共用一个无线收发单元的技术方案, 既有利于提高通信可靠性, 又有 利于降低整体成本。
( 2 )根据本发明的多 LCD显示设备组,其采用外接电源统一供电的方式, 由于不使用电池, 有利于减少环境污染, 并免除了电池电量耗尽时更换电池 的烦恼。 附图说明:
本发明的下列附图在此作为本发明的一部分用于理解本发明。 附图中 示出了本发明的实施例及其描述, 用来解释本发明的原理。
图 1 是根据本发明实现的多电子价格标签组系统中的多电子价格标签 组中的每个电子价格标签单元的内部结构框图;
图 2示出了根据图 1实现的电子价格标签的一个实施例的工作流程图; 图 3是根据本发明实现的多电子价格标签组系统中的无线收发单元的 内部结构框图;
图 4示出了根据图 3实现的多电子价格标签组系统中的无线收发单元一 个实施例的工作流程图;
图 5是本发明的一个具体实施方式的槽型底板结构的剖面效果图; 图 6是根据本发明的一个具体实施方式的单个电子价格标签、无线收发 单元和槽型底板之间的装配连接示意图;
图 7是根据本发明的一个具体实施方式的多电子价格标签组、无线收发 单元和槽型底板之间的装配连接示意图;
图 8是本发明的一个具体实施方式的多电子价格标签组、无线收发单元 和槽型底板之间的装配连接整体效果图。 具体实施方式:
在下文的描述中, 给出了大量具体的细节以便提供对本发明更为彻底的 理解。 然而, 对于本领域技术人员来说显而易见的是, 本发明可以无需一个 或多个这些细节而得以实施。 在其他的例子中, 为了避免与本发明发生混淆, 对于本领域公知的一些技术特征未进行描述。
本发明揭露了多电子价格标签组系统, 本系统设计成在每行货架上只安 装一个所述标签组系统,每个所述标签组配有若干个配备有液晶显示设备(如
LCD) 的电子价格标签和一个无线收发单元。 其中, 每个电子价格标签对应 商场货架上的一种商品, 且每个电子价格标签可以是等间距配置, 也可以是 非等间距配置, 并根据商品的货位摆放位置间距进行调整。 基于以上设计, 本发明可以实现多电子价格标签组系统中的所有电子价格标签部件均能够通 过同一个无线收发单元与商场价格发布子系统实现网络通信互联。
在一个具体实施方式中, 本发明的多电子价格标签组系统包括: 一个无 线收发单元 10000, 其具有无线收发功能; 多电子价格标签组, 其包含至少两 个电子价格标签, 该多电子价格标签组中的每一个电子价格标签 200配置有具 有液晶显示功能的液晶显示设备(如 LCD )和标签电路控制单元(如单片机 1 ) ; 一个槽型底板 300, 其上布置有导电线; 一个外接电源; 以及商场价格发布子 系统。 其中, 无线收发单元 100与商场价格发布子系统进行无线通信连接, 与 此同时, 该无线收发单元 100还通过槽型底板 300上的电线路与该组货架配备 的多电子价格标签组上的电子价格标签 200现有线电连接。 这样, 一方面无线 收发单元 100可以与商场价格发布子系统(如商场服务器)进行无线网络通信, 从 /向商场价格发布子系统无线接收或发送通信数据; 另一方面, 由于每一组 货架配备的多电子价格标签组上的每一个电子价格标签 200均通过槽型底板 300上布置的导电线与无线收发单元 100实现了有线电连接, 所以无线收发单 元 100与其所在组的每一个电子价格标签 200部件均可进行有线数据通信。 由 此, 无线收发单元 100 将从商场价格发布子系统无线接收到的商品价格及相 关数据信息有线地发送给该商品对应的电子价格标签, 从而由该电子价格标 签显示商品价格及相关数据信息的变化。
在一个优选实施方式中, 根据本发明实现的多电子价格标签组系统中的 每个电子价格标签 200如图 1所示, 其包括: 一个液晶显示设备 (如液晶显示 器 LCD)、 标签控制单元 (如单片机 1 )、 第一直流电源接入模块、 第一串行通 信模块, 以及从第一直流电源接入模块引出的两个第一电源接入弹簧触针和 由第一串行通信模块引出的两个第一通信连接用弹簧触针等。 该标签控制单 元 (如单片机 1 ) 用于控制 LCD的显示, 并负责与无线收发单元通信。 图 2示出 了根据图 1实现的电子价格标签的一个实施例的工作流程图, 结合图 1和图 2所 示的电子价格标签, 并以单片机 1作为标签控制单元的一个优选实方式, 本发 明的电子价格标签 200的工作原理如下:
电子价格标签 200从第一电源接入弹簧触针引入直流电源, 给单片机 1和 电子价格标签上配备的液晶显示器供电。 单片机 1中设置有唯一的机器设备编 号, 机器设备编号也作为有线数据通信的通信设备地址; 初始上电时, 单片 机 1将所存储的显示内容发送到液晶显示器显示; 当从所述第一串行通信模块 接收到由商场价格发布子系统发布的, 经由无线收发单元 100接受并转发来的 新的显示数据后, 由所述标签控制单元将所述新的显示数据存储起来, 同时 更新所述液晶显示器上所显示的数据内容。 其中, 所述新的显示数据是经由 串行通信线路传送给无线收发单元的, 并由无线收发单元转发给电子价格标 签中的第一串行通信模块。
在发明的实施方式中, 单片机 1可以是 8位、 16位或 32位单片机, 在一个 具体实施例中, 单片机 1可以为本领域普通技术人员公知公用的 Atmel ATmega48或 TI MSP430F413型等常用单片机。
根据本发明实现的多电子价格标签组系统中的无线收发单元 100内部结 构如图 3所示, 其包括: 无线通信模块、 无线通信控制单元 (如单片机 2 )、 第 二直流电源接入模块、 第二串行通信模块, 以及从第二直流电源接入模块引 出的两个第二电源接入弹簧触针和由第二串行通信模块引出的两个第二通信 连接用弹簧触针等。 图 4示出了根据图 3实现的多电子价格标签组系统中的无 线收发单元 100—个实施例的工作流程图。 在一个优选实施方式中, 以单片机 2实现无线通信控制单元的功能,结合图 3和 4,根据本发明的无线收发单元 100 的工作原理如下:
无线收发单元 100从第二电源接入弹簧触针引入直流电源, 给无线通信模 块和单片机 2供电; 初始上电时, 无线通信模块登录注册到商场价格发布子系 统中; 当无线通信模块从商场价格发布子系统接收到对指定的电子价格标签 新显示的内容后, 通过第二串行通信模块向对应的电子价格标签发送新的显 示内容数据。 所述指定的电子价格标签是指按电子价格标签的机器设备编号 索引所得的电子价格标签。 在具体实施例中, 单片机 2可以为本领域技术人员 公知公用的 Jennie 5139型、 Jennic5148型或 TI CC430型等单片机。 在一个优选实施方式中, 所述槽型底板 300设计成槽形形状, 其两侧有凹 形条以便于将上部的 LCD显示部件插入凹形条中并固定卡住, 优选地, 如图 5 所示, 该槽型底板 300包括: 电路导线板 301、 槽形底架 302、 固定电路导线板 的固定槽 303, 其中电路导线板上布置有导电线 304。 该电路导线板上布置的 导电线为至少四股电线: 电源线、 地线、 至少两根数据通信线优选地。 优选 地, 电路导线板为四股电线: 电源线、 地线、 两根数据通信线, 其中电源线 和底线用于外接电源通过其给系统供电, 两根数据通信线用作无线收发单元 与各个电子价格标签间的有线通信互联通道, 以便各个电子价格标签与无线 收发单元之间进行有线接收和发送信号。 在一个实施例中, 四股电线中用于 数据通信的两股电线采用两股 RS485通信线以差分方式实现通信。
在一个优选实施例中, 该四股电线采用四条平行的导电条。 图 5示出了所 述槽型底板部件中电路导电板上布置的四条平行导电条的分布。 如图 8所示, 电路导线板 301安装在槽型底板 300凹槽内下侧的固定槽 303上, 四条导电线 304彼此绝缘第的布置在电路导线板 301上, 优选地, 四条导电线 304为布置在 电路导线板 301上的四条平行导电条的方式实现。
在本发明的一个较佳实施例中, 如图 6和图 7所示, 无线收发单元 100、 多 电子价格标签组中的每一个电子价格标签 200和槽型底板 300之间的连接配置 方式如下:
无线收发单元 100、 多电子价格标签组中的电子价格标签 200分别压入槽 型底板 300上的两侧凸起部位, 并卡入槽型底板 300两侧的凹形槽中, 从而将 无线收发单元 100、 电子价格标签 200和槽型底板 300固定安装在一起。 其中, 电子价格标签 100和无线收发单元 200的四个弹簧触针与槽型底板 3底部的四 条平行导电条电接触。
在一个优选实施例中, 一个无线收发单元 100和多个电子价格标签组中每 一个电子价格标签 200可以同时压入槽型底板 300中, 压入可以以等间隔或不 等间隔位置方式实现。 多电子价格标签组的每一个电子价格标签 200的四个弹 簧触针与槽型底板 300底部的四条平行导电条电接触, 其中, 四条平行导电条 的其中两条向各个电子价格标签 200供电, 另两条线路为有线通信导电线。 由 此, 形成一个多电子价格标签组。 图 8是根据本发明的多电子价格标签组系统 的外观图。
综上所述, 本发明的所述无线收发单元通过无线通信功能与商品数据 25 中心网络系统进行无线网络通信。 此外, 无线收发单元还通过槽型底板上的 电路导线板的数据通信线实现与所述多电子价格标签中的每一个电子价格标 签实现有线通信连接。 基于以上设计构成, 本发明可以有效地实现多电子价 格标签组中的每一个电子价格标签均能够通过无线收发单元与商场数据中心 网络系统实现通信互联。
本发明已经通过上述实施例进行了说明, 但应当理解的是, 上述实施例 只是用于举例和说明的目的, 而非意在将本发明限制于所描述的实施例范围 内。 此外本领域技术人员可以理解的是, 本发明并不局限于上述实施例, 根 据本发明的教导还可以做出更多种的变型和修改, 这些变型和修改均落在本 发明所要求保护的范围以内。 本发明的保护范围由附属的权利要求书及其等 效范围所界定。

Claims

权 利 要 求 书
1.多电子价格标签组系统, 其包括: 一个无线收发单元, 其具 有无线收发功能; 多电子价格标签组, 其包含至少两个电子价格标 签, 所述多电子价格标签组中的每一个电子价格标签均配置有具有 显示功能的显示设备和标签电路控制单元; 一个外接电源; 一个布 置有导电线的槽型底板; 以及商场价格发布子系统, 其中,
所述无线收发单元与所述商场价格发布子系统进行无线通信连 接, 所述该无线收发单元与所述多电子价格标签组上的每一个电子 价格标签实现有线电连接, 从而使得所述无线收发单元与所述商场 价格发布子系统进行无线网络通信, 从 /向商场价格发布子系统无线 接收或发送通信数据; 另一方面, 所述无线收发单元通过所述槽型 底板上布置的导电线与其所在组的每一个电子价格标签均进行有线 数据通信。
2.根据权利要求 1所述的系统, 其特征在于, 所述多电子价格 标签组系统中的每个电子价格标签包括: 显示器; 标签控制单元, 其用于控制所述的显示器, 并负责与所述无线收发单元通信; 第一 直流电源接入模块; 第一串行通信模块; 以及, 从所述第一直流电 源接入模块引出的可自由活动接线和由所述第一串行通信模块弓 I出 的可自由活动接线。
3.根据权利要求 2所述的系统, 其特征在于, 所述电子价格标 签的工作流程如下:
所述电子价格标签从所述两个第一电源可自由活动接线弓 I入直 流电源, 从而给所述标签控制单元和所述显示器供电;
所述标签控制单元中设置有唯一的机器设备编号, 所述机器设 备编号作为有线数据通信的通信设备地址;
初始上电时, 所述标签控制单元将所存储的显示内容发送到所 述显示器显示; 当从所述第一串行通信模块接收到由商场价格发布子系统发布 的, 经由无线收发单元接受并转发来的新的显示数据后, 由所述标 签控制单元将所述新的显示数据存储起来, 同时更新所述显示器上 所显示的数据内容。
4.根据权利要求 3所述的系统, 其特征在于, 所述标签控制单 元是多位元的单片机。
5. 根据权利要求 1所述的系统, 其特征在于, 所述无线收发单 元包括: 无线通信模块、 无线通信控制单元、 第二直流电源接入模 块、 第二串行通信模块, 以及从所述第二直流电源接入模块引出的 第二电源接入可自由活动接线和由所述第二串行通信模块引出的第 二通信可自由活动接线。
6.根据权利要求 5所述的系统, 其特征在于, 所述无线收发单 元的工作流程如下:
所述无线收发单元从所述第二电源接入可自由活动接线引入直 流电源, 从而给所述无线通信模块和所述无线通信控制单元供电; 初始上电时, 所述无线通信模块登录注册到所述商场价格发布 子系统中;
当所述无线通信模块从商场价格发布子系统接收到对指定的电 子价格标签新显示的内容后, 通过所述串行通信模块向所述所指定 的电子价格标签发送新的显示内容数据。
7.根据权利要求 6所述的系统, 其特征在于, 所述指定的电子 价格标签是指按电子价格标签的机器设备编号索引所得的电子价格 标签。
8.根据权利要求 1-7中的任一个权利要求所述的系统, 其特征在 于, 所述槽型底板设计成槽形形状, 其两侧有凹形条以便于将上部 的电子价格标签插入所述凹形条中并固定卡住, 所述槽型底板包 括: 电路导线板、 槽形底架、 固定电路导线板的固定槽, 其中电路 导线板上布置有导电线: 供电源和数据通信之用, 其中电源线用于 外接电源对所述系统供电, 所述数据通信线用作所述无线收发单元 与各个电子价格标签间的有线通信互联通道, 以便各个电子价格标 签与所述无线收发单元之间进行有线信号接收和发送。
9.根据权利要求 8所述的系统, 其特征在于, 所述多电子价格 标签组、 无线收发单元和槽型底板之间的连接配置方式如下:
所述多电子价格标签组和所述无线收发单元压入所述槽型底 板, 并卡入所述槽型底板两侧的凹形槽中, 从而将所述多电子价格 标签组、 所述无线收发单元和所述槽型底板固定安装在一起, 其 中, 所述多电子价格标签组和所述无线收发单元的可自由活动接线 与所述槽型底板底部的导电线接触; 所述多电子价格标签组的每一 个电子价格标签的可自由活动接线与所述槽型底板底部的导电线电 接触, 其中所述导电线的其中含向各个电子价格标签供电, 及有线 通信导电线的功能。
10.根据权利要求 9所述的系统, 其特征在于, 所述无线收发单 元和所述多个电子价格标签组部件同时压入所述槽型底板中, 压入 以等间隔或不等间隔位置实现。
11.根据权利要求 1-7 中任一项所述的系统, 其特征在于, 所述 多电子价格标签组、 无线收发单元和槽型底板之间的连接配置方式 所述多电子价格标签组和所述无线收发单元压入所述槽型底 板, 并卡入所述槽型底板两侧的凹形槽中, 从而将所述多电子价格 标签组、 所述无线收发单元和所述槽型底板固定安装在一起, 其 中, 所述多电子价格标签组和所述无线收发单元的可自由活动接线 与所述槽型底板底部的导电线接触; 所述多电子价格标签组的每一 个电子价格标签的可自由活动接线与所述槽型底板底部的导电线电 接触, 其中所述导电线的其中含向各个电子价格标签供电, 及有线 通信导电线的功能。
12.根据权利要求 11所述的系统, 其特征在于, 所述无线收发单 元和所述多个电子价格标签组部件同时压入所述槽型底板中, 压入 以等间隔或不等间隔位置实现。
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