WO2021163984A1 - Apparatus, system and method for locating electronic price tag, and computer-readable storage medium - Google Patents

Apparatus, system and method for locating electronic price tag, and computer-readable storage medium Download PDF

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Publication number
WO2021163984A1
WO2021163984A1 PCT/CN2020/076108 CN2020076108W WO2021163984A1 WO 2021163984 A1 WO2021163984 A1 WO 2021163984A1 CN 2020076108 W CN2020076108 W CN 2020076108W WO 2021163984 A1 WO2021163984 A1 WO 2021163984A1
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WO
WIPO (PCT)
Prior art keywords
price tag
electronic price
contact position
contact
information
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PCT/CN2020/076108
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French (fr)
Chinese (zh)
Inventor
侯世国
赵建国
张东浩
梁敏
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汉朔科技股份有限公司
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Priority to PCT/CN2020/076108 priority Critical patent/WO2021163984A1/en
Publication of WO2021163984A1 publication Critical patent/WO2021163984A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems

Definitions

  • the present invention relates to the technical field of indoor positioning, in particular to an electronic price tag positioning device, system, method and computer readable storage medium.
  • WiFi i.e. mobile hotspot
  • BLE Bluetooth Low Energy
  • UWB Ultra Wideband, which is a non-carrier communication technology
  • RFID Radio Frequency Identification, radio frequency identification
  • Infrared indoor positioning technology etc.
  • Bluetooth indoor positioning technology locates by measuring signal strength. This is a short-distance low-power wireless transmission technology. Install appropriate Bluetooth LAN access points indoors, configure the network to be a multi-user-based basic network connection mode, and ensure that the Bluetooth LAN access point is always this piconet (piconet) master device, you can get the user's location information.
  • Bluetooth indoor positioning technology is mainly used in small-scale positioning, such as single-story halls or warehouses.
  • Bluetooth indoor positioning technology is that the device is small in size and easy to integrate in PDAs, PCs and mobile phones, so it is easy to popularize. Theoretically, for a user who has a mobile terminal device with integrated Bluetooth function, as long as the device's Bluetooth function is turned on, the Bluetooth indoor positioning system can judge its location. When this technology is used for indoor short-distance positioning, it is easy to find the equipment and the signal transmission is not affected by the line-of-sight.
  • the disadvantage is that the price of Bluetooth devices and equipment is relatively expensive, and for the complex space environment, the stability of the Bluetooth system is slightly worse, and it is greatly interfered by noise signals.
  • WiFi and BLE positioning schemes are low, generally 8-15m, and the coverage is 75-150m.
  • the positioning accuracy of UWB and RFID is less than 10CM, the coverage of RFID is 1-5 meters, and the coverage of UWB is 150 meters.
  • WiFi, BLE, UWB, and RFID are all implemented based on radio waves, and the characteristics of radio waves themselves are high environmental requirements, complex construction, and poor stability, making these positioning solutions have high costs and low positioning accuracy Defects.
  • infrared indoor positioning technology positioning is that infrared IR marks emit modulated infrared rays, which are received by optical sensors installed indoors for positioning.
  • infrared rays Although infrared rays have relatively high indoor positioning accuracy, because light cannot pass through obstacles, infrared rays can only travel through the line of sight. The two major shortcomings of straight line of sight and short transmission distance make the indoor positioning effect very poor. When the logo is placed in a pocket or there is a wall or other shielding, it will not work properly. It is necessary to install a receiving antenna in each room and corridor, which is expensive. Therefore, infrared rays are only suitable for short-distance transmission, and are easily interfered by fluorescent lights or lights in the room, and have limitations in precise positioning.
  • the embodiment of the present invention provides a positioning device for an electronic price tag to solve the technical problem of high cost or low accuracy in indoor positioning in the prior art.
  • the device includes:
  • a fixing device for fixing an electronic price tag wherein a plurality of contact positions are provided on the fixing device, and the electronic price tag is fixed at each contact position, and at each contact position, one end of a communication cable Connected with the first metal contact at the contact position, the electronic price tag fixed at the contact position is connected with the first metal contact, and the other end of the communication cable is connected with a communication pin of the controller to control There is a corresponding relationship between the communication pin of the device and the contact position, and each contact position corresponds to a relative position on the fixing device;
  • the controller receives the information sent by the electronic price tag fixed at each contact position through a communication cable, and determines the correspondence between the communication pin and the contact position according to the communication pin receiving the information
  • the contact position corresponding to the communication pin that receives the information, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
  • the embodiment of the present invention also provides an electronic price tag positioning system to solve the technical problem of high cost or low accuracy in indoor positioning in the prior art.
  • the system includes:
  • a server and any of the above-mentioned positioning devices for electronic price tags wherein:
  • the controller reports the location information of each electronic price tag fixed on the fixing device to the server.
  • the embodiment of the present invention also provides a positioning method of an electronic price tag to solve the technical problem of high cost or low accuracy in indoor positioning in the prior art.
  • the method includes:
  • the electronic price tag is fixed at each contact position, and at each contact position, one end of the communication cable is connected to the first metal contact at the contact position, and the electronic price tag is fixed at the contact position Connected to the first metal contact, and the other end of the communication cable is connected to a communication pin of the controller;
  • the controller uses the communication cable to receive the information sent by the electronic price tag fixed at each contact position, and according to the communication pin receiving the information, in the correspondence relationship between the communication pin and the contact position, determine The contact position corresponding to the communication pin that receives the information, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
  • the embodiment of the present invention also provides a computer-readable storage medium that stores a computer program that executes any of the above-mentioned electronic price tag positioning methods, so as to solve the high cost or high cost of indoor positioning in the prior art.
  • Technical problems with low accuracy are also provided.
  • the electronic price tag fixed at the contact position is connected to the first metal contact, that is, the first metal contact is provided at the contact position, and the price tag can be connected with the first metal contact after the price tag is fixed, which is convenient for the electronic price
  • the other end of the communication cable is connected to a communication pin of the controller, which realizes that the fixed electronic price tag at each contact position can be connected to a communication lead of the controller through the communication cable.
  • Each contact position corresponds to a relative position on the fixed device. Then, the controller can receive the position of each contact through the communication cable.
  • the information sent by the fixed electronic price tag is determined according to the identification of the communication pin that receives the information, in the correspondence relationship between the communication pin and the contact position, and the contact position corresponding to the communication pin that receives the information is determined according to the The relative position corresponding to the contact position of, can locate the position of the electronic price tag that sends the information, so the position of the electronic price tag that sends the information on the fixed device is obtained. Realize the location of the electronic price tag on the fixed device through line communication.
  • Figure 1 is a structural block diagram of an electronic price tag positioning device provided by an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a fixing device provided by an embodiment of the present invention.
  • FIG. 3 is a schematic circuit diagram of an electronic price tag positioning device provided by an embodiment of the present invention.
  • Fig. 5 is a flowchart of a method for locating an electronic price tag according to an embodiment of the present invention.
  • Fig. 1 is a structural block diagram of an electronic price tag positioning device in an embodiment of the present invention. As shown in Figure 1, the device may include:
  • the fixing device 102 is used to fix an electronic price tag, wherein a plurality of contact positions are provided on the fixing device, and the electronic price tag is fixed at each contact position.
  • the communication cable One end is connected with the first metal contact at the contact position
  • the electronic price tag fixed at the contact position is connected with the first metal contact
  • the other end of the communication cable is connected with a communication pin of the controller, There is a corresponding relationship between the communication pins of the controller and the contact positions, and each contact position corresponds to a relative position on the fixing device;
  • the controller 104 receives the information sent by the electronic price tag fixed at each contact position through a communication cable, and according to the communication pin receiving the information, in the correspondence between the communication pin and the contact position, The contact position corresponding to the communication pin that receives the information is determined, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
  • the electronic price tag is fixed at a plurality of contact positions on the fixing device, and one end of the communication cable is connected to the contact position at each contact position.
  • the first metal contact is connected, and the electronic price tag fixed at the contact position is connected to the first metal contact, that is, the first metal contact is provided at the contact position.
  • the contact connection is convenient for plugging and unplugging the electronic price tag and achieving communication.
  • the other end of the communication cable is connected to a communication pin of the controller, which realizes that the fixed electronic price tag at each contact position can be passed through the communication cable It communicates with a communication pin of the controller. At the same time, there is a corresponding relationship between the communication pin of the controller and the position of the contact.
  • Each contact position corresponds to a relative position on the fixed device.
  • the controller can use the communication line
  • the cable receives the information sent by the fixed electronic price tag at each contact position, and according to the identification of the communication pin receiving the information, in the correspondence between the communication pin and the contact position, the contact corresponding to the communication pin receiving the information is determined. Point the position, and according to the determined relative position corresponding to the contact position, the position of the electronic price tag that sends the information can be located, so that the position of the electronic price tag that sends the information on the fixed device is obtained. Realize the location of the electronic price tag on the fixed device through line communication.
  • the fixing device may be an extruded strip structure.
  • the extruded strip is provided with a plurality of contact positions, in each contact position, a communication cable is arranged, one end of the communication cable is connected with the first metal contact of the contact position, and the contact position
  • the fixed electronic price tag is connected to the first metal contact, and the other end of the communication cable is connected to a communication pin of the controller, that is, each electronic price tag with a fixed contact position can be connected to the first metal contact
  • a communication pin of the controller communicates.
  • the aforementioned controller 104 may adopt any chip with data processing capability and multiple communication pins.
  • the above-mentioned controller 104 may be arranged inside the fixing device 102 or outside the fixing device 102.
  • this application uses line communication to locate electronic price tags. Due to the relatively strong anti-interference ability and stability of line communication, the accuracy of positioning can be relatively improved. In order to further improve the accuracy of positioning, in this embodiment , You can locate the electronic price tag in the following ways:
  • the controller 104 is specifically configured to determine the contact position when the relative position corresponding to each contact position is the serial number of the contact position on the fixing device and the distance between two adjacent contact positions The serial number of the position on the fixing device is multiplied by the distance between two adjacent contact positions, and the product is used as the position of the electronic price tag that sends the information; or, the relative position corresponding to each contact position is the contact position.
  • the point position is at a specific position on the fixing device, the relative position corresponding to the determined contact position is used as the position of the electronic price tag that sends the information.
  • the relative position corresponding to each contact position is the serial number of the contact position on the fixing device and the distance between two adjacent contact positions, for example, the positions of multiple contact points on the fixing device are Numbering in a certain sequence (for example, from left end to right end or from right end to left end), the sequence numbers of the contact positions are 1, 2, 3...N, multiple contact positions are arranged at equal intervals, and two adjacent contacts are arranged at equal intervals.
  • the distance between the point positions is M.
  • the communication pin of the controller has a corresponding relationship with each contact position. It can be a one-to-one correspondence between the communication pin and each contact position.
  • the information sent by the electronic price tag can be determined according to the corresponding relationship between the communication pin and the contact position of the communication pin receiving the information, for example, the communication of the receiving information can be determined
  • the contact position corresponding to the pin is 3, and the result of multiplying 3 by M is used as the position of the electronic price tag that sends the information on the fixed device.
  • the relative position corresponding to each contact position is the specific position of the contact position on the fixing device, that is, the relative position of each contact position is the specific value of the contact position on the fixing device
  • the relative position corresponding to the determined contact position can be directly used as the position of the electronic price tag for sending information.
  • two metal contacts are provided at each contact position, the first metal contact is used to connect with the communication cable, so as to realize the communication between the fixed electronic price tag and a communication pin of the controller; the second metal The contact is used to connect with the common ground cable, and the ground pin of the controller is also connected with the common ground cable to realize the common ground of the controller of the fixed electronic price tag.
  • Node1, Node2, and Node3 respectively represent three contact positions on the fixed device, namely contact position 1, contact position 2, and contact position 3.
  • Master represents the controller, and each contact The position is connected to a communication cable A through the first metal contact and a communication pin of the controller, and each contact position is connected to the common ground cable B through the second metal contact and the ground pin of the controller. .
  • the information sent by the electronic price tag may include the unique identifier of the electronic price tag. That is, after the electronic price tag sends information to a communication pin of the controller, the controller can determine which communication pin received the information according to the address, number, ID, etc. of the communication pin, and then according to the communication pin and contact The corresponding relationship of the position and the relative position corresponding to each contact position determine the relative position of the contact position corresponding to the communication pin receiving the information, and then locate the position of the electronic price tag that sends the information.
  • the controller can also determine the position of the electronic price tag that sends the information according to the information
  • the unique identifier in determines which electronic price tag sent the information, and finally, the relationship between the unique identifier of the electronic price tag and the position can be determined, and which electronic price tag is located on the fixed device.
  • the electronic price tag and the controller can communicate through the one-wire communication protocol.
  • the electronic price tag on multiple fixed devices can communicate through a router.
  • the working process of the positioning device for the above electronic price tag may include the following steps:
  • the electronic price tag and controller equipment of each fixed device under the same AP are synchronized by the wireless communication system and wake up at the same time.
  • the controller wakes up, the controller initiates communication one by one IO (ie, communication pin) in a predetermined order, and sends an information query command to query the information of the equipment on the N line.
  • IO ie, communication pin
  • the electronic price tag When the level of the IO interface of the electronic price tag changes, the electronic price tag responds to the interruption of the IO interface and receives single-wire communication. After the controller sends it, if the electronic price tag responds, the electronic price tag responds to the controller’s own information through a single line. The information can include ID serial number, etc.
  • the controller records the electronic price tag address and device information; if the electronic price tag does not respond, the controller determines whether all lines traversal is completed, if so, the controller sends the device information to the server, otherwise, the line number is incremented , Continue to ask for the information of the next device.
  • an electronic price tag positioning system includes: a server and any of the above-mentioned electronic price tag positioning devices, wherein:
  • the controller reports the location information of each electronic price tag fixed on the fixing device to the server.
  • the controller can also receive positioning scheduling information sent by the server.
  • an embodiment of the present invention also provides a method for locating an electronic price tag, as described in the following embodiment. Since the principle of the electronic price tag positioning method to solve the problem is similar to that of the electronic price tag positioning device, the implementation of the electronic price tag positioning method can refer to the implementation of the electronic price tag positioning device, and the repetition will not be repeated.
  • Fig. 5 is a flow chart of a method for locating an electronic price tag according to an embodiment of the present invention. As shown in Fig. 5, the method includes:
  • Step 502 Record the corresponding relationship between the communication pin of the controller and each contact position, and record the relative position of each contact position on the fixing device, wherein a plurality of contacts are provided on the fixing device Position, the electronic price tag is fixed at each contact position, at each contact position, one end of the communication cable is connected to the first metal contact at the contact position, and the contact position is fixed at the The electronic price tag is connected with the first metal contact, and the other end of the communication cable is connected with a communication pin of the controller;
  • Step 504 The controller uses the communication cable to receive the information sent by the electronic price tag fixed at each contact position, and according to the communication pin receiving the information, the correspondence between the communication pin and the contact position In this step, the contact position corresponding to the communication pin that receives the information is determined, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
  • locating the position of the electronic price tag sending the information according to the relative position corresponding to the determined contact position includes;
  • the serial number of the determined contact position on the fixing device Multiply the distance between two adjacent contact positions, and use the product as the position of the electronic price tag sending the information; or, the relative position corresponding to each contact position is the position of the contact on the fixing device In the case of a specific position, the relative position corresponding to the determined contact position is used as the position of the electronic price tag that sends the information.
  • the above method further includes:
  • the second metal contact at each contact position is connected to a common ground cable
  • the electronic price tag fixed at each contact position is connected to the second metal contact
  • the common ground cable is connected to the controller
  • the ground pin is connected.
  • the information sent by the electronic price tag includes a unique identifier of the electronic price tag.
  • a computer-readable storage medium stores a computer program that executes any of the above-mentioned methods for locating an electronic price tag.
  • computer-readable storage media includes permanent and non-permanent, removable and non-removable media, and information storage can be realized by any method or technology.
  • the information can be computer-readable instructions, data structures, program modules, or other data.
  • Examples of computer-readable storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only Memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical storage , Magnetic cassette tape, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by computing devices. According to the definition in this article, computer-readable storage media does not include transitory media, such as modulated data signals and carrier waves.
  • the embodiment of the present invention achieves the following technical effects: by fixing the electronic price tag at a plurality of contact positions on the fixing device, and at each contact position, one end of the communication cable is in contact with the first metal at the contact position. Point connection, the electronic price tag fixed at the contact position is connected to the first metal contact, and the other end of the communication cable is connected to a communication pin of the controller, that is, the fixed position at each contact position is realized.
  • the electronic price tag can communicate with a communication pin of the controller through a communication cable.
  • there is a corresponding relationship between the communication pin of the controller and the contact position and each contact position corresponds to a relative position on the fixed device.
  • the controller can receive the information sent by the fixed electronic price tag at each contact position through the communication cable, and determine the received information according to the identification of the communication pin receiving the information in the correspondence relationship between the communication pin and the contact position.
  • the contact position corresponding to the communication pin of the information, and the position of the electronic price tag sending the information can be located according to the relative position corresponding to the determined contact position, so that the electronic price tag sending the information is obtained Position on the fixture. Realize the location of the electronic price tag on the fixed device through line communication. Due to the strong anti-interference ability of line communication and easy construction, it is compatible with the existing technology of WiFi, BLE, UWB, RFID, infrared indoor positioning technology, etc. In contrast, this application can avoid problems such as noise signal interference, complicated construction, poor stability, and high cost, and has the advantages of reducing costs, improving positioning accuracy, improving anti-interference ability, and ease of construction implementation.
  • the embodiments of the present invention can be provided as a method, a system, or a computer program product. Therefore, the present invention may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

An apparatus, system and method for locating an electronic price tag, and a computer-readable storage medium. The apparatus for locating an electronic price tag comprises: a fixing apparatus (102) provided with a plurality of contact positions, wherein an electronic price tag is fixed at each contact position, and at each contact position, one end of a communication cable is connected to a first metal contact at the contact position, the electronic price tag fixed at the contact position is connected to the first metal contact, the other end of the communication cable is connected to a communication pin of a controller (104), there is a correlation between the communication pins of the controller (104) and the contact positions, and each contact corresponds to a relative position on the fixing apparatus (102); and the controller (104) which receives, by means of the communication cable, information sent by an electronic price tag fixed at each contact position, determines, according to a communication pin receiving the information and from the correlation between the communication pins and the contact positions, a contact position corresponding to the communication pin receiving the information, and locates, according to the relative position corresponding to the determined contact position, the position of the electronic price tag sending the information. The present invention can reduce costs, improve locating accuracy, improve an anti-interference capability, and is easily implemented.

Description

电子价签的定位装置、***、方法及计算机可读存储介质Positioning device, system, method and computer readable storage medium of electronic price tag 技术领域Technical field
本发明涉及室内定位技术领域，特别涉及一种电子价签的定位装置、***、方法及计算机可读存储介质。The present invention relates to the technical field of indoor positioning, in particular to an electronic price tag positioning device, system, method and computer readable storage medium.
背景技术Background technique
传统的室内定位的方法有WiFi(即行动热点)、BLE(Bluetooth Low Energy，蓝牙低能耗)、UWB(Ultra Wideband，是一种无载波通信技术)、RFID(Radio Frequency Identification，无线射频识别)、红外线室内定位技术等。Traditional indoor positioning methods include WiFi (i.e. mobile hotspot), BLE (Bluetooth Low Energy), UWB (Ultra Wideband, which is a non-carrier communication technology), RFID (Radio Frequency Identification, radio frequency identification), Infrared indoor positioning technology, etc.
其中，蓝牙室内定位技术是通过测量信号强度进行定位。这是一种短距离低功耗的无线传输技术，在室内安装适当的蓝牙局域网接入点，把网络配置成基于多用户的基础网络连接模式，并保证蓝牙局域网接入点始终是这个微微网(piconet)的主设备，就可以获得用户的位置信息。蓝牙室内定位技术主要应用于小范围定位，例如，单层大厅或仓库。Among them, Bluetooth indoor positioning technology locates by measuring signal strength. This is a short-distance low-power wireless transmission technology. Install appropriate Bluetooth LAN access points indoors, configure the network to be a multi-user-based basic network connection mode, and ensure that the Bluetooth LAN access point is always this piconet (piconet) master device, you can get the user's location information. Bluetooth indoor positioning technology is mainly used in small-scale positioning, such as single-story halls or warehouses.
蓝牙室内定位技术最大的优点是设备体积小、易于集成在PDA、PC以及手机中，因此很容易推广普及。理论上，对于持有集成了蓝牙功能移动终端设备的用户，只要设备的蓝牙功能开启，蓝牙室内定位***就能够对其进行位置判断。采用该技术作室内短距离定位时容易发现设备且信号传输不受视距的影响。The biggest advantage of Bluetooth indoor positioning technology is that the device is small in size and easy to integrate in PDAs, PCs and mobile phones, so it is easy to popularize. Theoretically, for a user who has a mobile terminal device with integrated Bluetooth function, as long as the device's Bluetooth function is turned on, the Bluetooth indoor positioning system can judge its location. When this technology is used for indoor short-distance positioning, it is easy to find the equipment and the signal transmission is not affected by the line-of-sight.
其不足在于蓝牙器件和设备的价格比较昂贵，而且对于复杂的空间环境，蓝牙***的稳定性稍差，受噪声信号干扰大。The disadvantage is that the price of Bluetooth devices and equipment is relatively expensive, and for the complex space environment, the stability of the Bluetooth system is slightly worse, and it is greatly interfered by noise signals.
WiFi和BLE定位方案定位精度低，一般在8-15m，覆盖范围为75-150m。UWB和RFID定位精度小于10CM，RFID的覆盖范围为1-5米，UWB的覆盖范围为150米。WiFi、BLE、UWB、RFID这些方案都基于无线电波实现，且无线电波自身的特性是对环境要求较高，施工复杂，稳定性不佳，使得这些定位方案均存在成本较高且定位精度较低的缺陷。The positioning accuracy of WiFi and BLE positioning schemes is low, generally 8-15m, and the coverage is 75-150m. The positioning accuracy of UWB and RFID is less than 10CM, the coverage of RFID is 1-5 meters, and the coverage of UWB is 150 meters. WiFi, BLE, UWB, and RFID are all implemented based on radio waves, and the characteristics of radio waves themselves are high environmental requirements, complex construction, and poor stability, making these positioning solutions have high costs and low positioning accuracy Defects.
此外，红外线室内定位技术定位的原理是，红外线IR标识发射调制的红外射线，通过安装在室内的光学传感器接收进行定位。In addition, the principle of infrared indoor positioning technology positioning is that infrared IR marks emit modulated infrared rays, which are received by optical sensors installed indoors for positioning.
虽然红外线具有相对较高的室内定位精度，但是由于光线不能穿过障碍物，使得红外射线仅能视距传播。直线视距和传输距离较短这两大主要缺点使其室内定位的效果很 差。当标识放在口袋里或者有墙壁及其他遮挡时就不能正常工作，需要在每个房间、走廊安装接收天线，造价较高。因此，红外线只适合短距离传播，而且容易被荧光灯或者房间内的灯光干扰，在精确定位上有局限性。Although infrared rays have relatively high indoor positioning accuracy, because light cannot pass through obstacles, infrared rays can only travel through the line of sight. The two major shortcomings of straight line of sight and short transmission distance make the indoor positioning effect very poor. When the logo is placed in a pocket or there is a wall or other shielding, it will not work properly. It is necessary to install a receiving antenna in each room and corridor, which is expensive. Therefore, infrared rays are only suitable for short-distance transmission, and are easily interfered by fluorescent lights or lights in the room, and have limitations in precise positioning.
发明内容Summary of the invention
本发明实施例提供了一种电子价签的定位装置，以解决现有技术中室内定位存在成本高或精度低的技术问题。该装置包括：The embodiment of the present invention provides a positioning device for an electronic price tag to solve the technical problem of high cost or low accuracy in indoor positioning in the prior art. The device includes:
固定装置，用于固定电子价签，其中，所述固定装置上设置多个触点位置，每个触点位置处固定所述电子价签，在每个触点位置上，通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接，控制器的通信引脚与触点位置存在对应关系，每个触点位置对应一个在该固定装置上的相对位置；A fixing device for fixing an electronic price tag, wherein a plurality of contact positions are provided on the fixing device, and the electronic price tag is fixed at each contact position, and at each contact position, one end of a communication cable Connected with the first metal contact at the contact position, the electronic price tag fixed at the contact position is connected with the first metal contact, and the other end of the communication cable is connected with a communication pin of the controller to control There is a corresponding relationship between the communication pin of the device and the contact position, and each contact position corresponds to a relative position on the fixing device;
所述控制器，通过通信线缆接收各触点位置处固定的所述电子价签发送的信息，根据接收所述信息的通信引脚，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置。The controller receives the information sent by the electronic price tag fixed at each contact position through a communication cable, and determines the correspondence between the communication pin and the contact position according to the communication pin receiving the information The contact position corresponding to the communication pin that receives the information, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
本发明实施例还提供了一种电子价签的定位***，以解决现有技术中室内定位存在成本高或精度低的技术问题。该***包括：The embodiment of the present invention also provides an electronic price tag positioning system to solve the technical problem of high cost or low accuracy in indoor positioning in the prior art. The system includes:
服务器以及上述任意的电子价签的定位装置，其中，A server and any of the above-mentioned positioning devices for electronic price tags, wherein:
所述控制器向所述服务器上报所述固定装置上固定的各电子价签的位置信息。The controller reports the location information of each electronic price tag fixed on the fixing device to the server.
本发明实施例还提供了一种电子价签的定位方法，以解决现有技术中室内定位存在成本高或精度低的技术问题。该方法包括：The embodiment of the present invention also provides a positioning method of an electronic price tag to solve the technical problem of high cost or low accuracy in indoor positioning in the prior art. The method includes:
记录控制器的通信引脚与每个触点位置存在的对应关系，记录每个触点位置对应的一个在固定装置上的相对位置，其中，所述固定装置上设置多个触点位置，每个触点位置上固定所述电子价签，在每个触点位置上，通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接；Record the corresponding relationship between the communication pin of the controller and each contact position, and record the relative position of each contact position on the fixing device. A plurality of contact positions are provided on the fixing device. The electronic price tag is fixed at each contact position, and at each contact position, one end of the communication cable is connected to the first metal contact at the contact position, and the electronic price tag is fixed at the contact position Connected to the first metal contact, and the other end of the communication cable is connected to a communication pin of the controller;
通过所述控制器利用通信线缆接收各触点位置处固定的所述电子价签发送的信息，根据接收所述信息的通信引脚，在通信引脚与触点位置的对应关系中，确定该接收信息 的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置。The controller uses the communication cable to receive the information sent by the electronic price tag fixed at each contact position, and according to the communication pin receiving the information, in the correspondence relationship between the communication pin and the contact position, determine The contact position corresponding to the communication pin that receives the information, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
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上述任意的电子价签的定位方法的计算机程序，以解决现有技术中室内定位存在成本高或精度低的技术问题。The embodiment of the present invention also provides a computer-readable storage medium that stores a computer program that executes any of the above-mentioned electronic price tag positioning methods, so as to solve the high cost or high cost of indoor positioning in the prior art. Technical problems with low accuracy.
在本发明实施例中，通过在固定装置上的多个触点位置处固定电子价签，并在每个触点位置上通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，即触点位置处设置有第一金属触点，价签固定后即可与第一金属触点连接，便于电子价签的插拔并实现通信，通信线缆的另一端与控制器的一个通信引脚连接，即实现了每个触点位置处固定的电子价签可以通过通信线缆与控制器的一个通信引脚通信，同时，控制器的通信引脚与触点位置存在对应关系，每个触点位置对应一个在该固定装置上的相对位置，那么，控制器可以通过通信线缆接收各触点位置处固定的电子价签发送的信息，根据接收信息的通信引脚的标识，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置即可定位发送所述信息的电子价签的位置，因此，得到发送所述信息的电子价签在固定装置上的位置。实现了通过线路通信的方式来定位电子价签在固定装置上的位置，由于线路通信抗干扰能力强、易于施工，使得与现有技术中的WiFi、BLE、UWB、RFID、红外线室内定位技术等相比，本申请可以避免受噪声信号干扰、施工复杂、稳定性不佳以及成本高等问题，具备有利于降低成本、提高定位精度、提高抗干扰能力、易于施工实施等优点。In the embodiment of the present invention, by fixing the electronic price tag at a plurality of contact positions on the fixing device, and at each contact position, one end of the communication cable is connected with the first metal contact at the contact position, The electronic price tag fixed at the contact position is connected to the first metal contact, that is, the first metal contact is provided at the contact position, and the price tag can be connected with the first metal contact after the price tag is fixed, which is convenient for the electronic price The other end of the communication cable is connected to a communication pin of the controller, which realizes that the fixed electronic price tag at each contact position can be connected to a communication lead of the controller through the communication cable. At the same time, there is a corresponding relationship between the communication pin of the controller and the position of the contact. Each contact position corresponds to a relative position on the fixed device. Then, the controller can receive the position of each contact through the communication cable. The information sent by the fixed electronic price tag is determined according to the identification of the communication pin that receives the information, in the correspondence relationship between the communication pin and the contact position, and the contact position corresponding to the communication pin that receives the information is determined according to the The relative position corresponding to the contact position of, can locate the position of the electronic price tag that sends the information, so the position of the electronic price tag that sends the information on the fixed device is obtained. Realize the location of the electronic price tag on the fixed device through line communication. Due to the strong anti-interference ability of line communication and easy construction, it is compatible with the existing technology of WiFi, BLE, UWB, RFID, infrared indoor positioning technology, etc. In contrast, this application can avoid problems such as noise signal interference, complicated construction, poor stability, and high cost, and has the advantages of reducing costs, improving positioning accuracy, improving anti-interference ability, and ease of construction implementation.
附图说明Description of the drawings
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。在附图中：In order to explain the technical solutions in the embodiments of the present invention more clearly, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work. In the attached picture:
图1是本发明实施例提供的一种电子价签的定位装置的结构框图；Figure 1 is a structural block diagram of an electronic price tag positioning device provided by an embodiment of the present invention;
图2是本发明实施例提供的一种固定装置的示意图；2 is a schematic diagram of a fixing device provided by an embodiment of the present invention;
图3是本发明实施例提供的一种电子价签的定位装置的电路示意图；3 is a schematic circuit diagram of an electronic price tag positioning device provided by an embodiment of the present invention;
图4是本发明实施例提供的一种电子价签的定位装置的工作流程图；4 is a working flow chart of an electronic price tag positioning device provided by an embodiment of the present invention;
图5是本发明实施例提供的一种电子价签的定位方法的流程图。Fig. 5 is a flowchart of a method for locating an electronic price tag according to an embodiment of the present invention.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚明白，下面结合附图对本发明实施例做进一步详细说明。在此，本发明的示意性实施例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 embodiments of the present invention clearer, the following further describes the embodiments of the present invention in detail with reference to the accompanying 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.
图1为本发明实施例中电子价签的定位装置的结构框图。如图1所示，该装置可以包括：Fig. 1 is a structural block diagram of an electronic price tag positioning device in an embodiment of the present invention. As shown in Figure 1, the device may include:
固定装置102，用于固定电子价签，其中，所述固定装置上设置多个触点位置，每个触点位置处固定所述电子价签，在每个触点位置上，通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接，控制器的通信引脚与触点位置存在对应关系，每个触点位置对应一个在该固定装置上的相对位置；The fixing device 102 is used to fix an electronic price tag, wherein a plurality of contact positions are provided on the fixing device, and the electronic price tag is fixed at each contact position. At each contact position, the communication cable One end is connected with the first metal contact at the contact position, the electronic price tag fixed at the contact position is connected with the first metal contact, and the other end of the communication cable is connected with a communication pin of the controller, There is a corresponding relationship between the communication pins of the controller and the contact positions, and each contact position corresponds to a relative position on the fixing device;
所述控制器104，通过通信线缆接收各触点位置处固定的所述电子价签发送的信息，根据接收所述信息的通信引脚，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置。The controller 104 receives the information sent by the electronic price tag fixed at each contact position through a communication cable, and according to the communication pin receiving the information, in the correspondence between the communication pin and the contact position, The contact position corresponding to the communication pin that receives the information is determined, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
由图1所示可知，在本发明实施例中，通过在固定装置上的多个触点位置处固定电子价签，并在每个触点位置上通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，即触点位置处设置有第一金属触点，价签固定后即可与第一金属触点连接，便于电子价签的插拔并实现通信，通信线缆的另一端与控制器的一个通信引脚连接，即实现了每个触点位置处固定的电子价签可以通过通信线缆与控制器的一个通信引脚通信，同时，控制器的通信引脚与触点位置存在对应关系，每个触点位置对应一个在该固定装置上的相对位置，那么，控制器可以通过通信线缆接收各触点位置处固定的电子价签发送的信息，根据接收信息的通信引脚的标识，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置即可定位发送所述信息的电子价签的位置，因此，得到发送所述信息的电子价签在固定装置上的位置。实现了通过线路通信的方式来定位电子价签在固定装置上的位置，由于线路通信抗干扰能力强、易于施工，使得与现有技术中的WiFi、BLE、UWB、RFID、红外线室内定位技术等相比，本申请 可以避免受噪声信号干扰、施工复杂、稳定性不佳以及成本高等问题，具备有利于降低成本、提高定位精度、提高抗干扰能力、易于施工实施等优点。As shown in Figure 1, in the embodiment of the present invention, the electronic price tag is fixed at a plurality of contact positions on the fixing device, and one end of the communication cable is connected to the contact position at each contact position. The first metal contact is connected, and the electronic price tag fixed at the contact position is connected to the first metal contact, that is, the first metal contact is provided at the contact position. The contact connection is convenient for plugging and unplugging the electronic price tag and achieving communication. The other end of the communication cable is connected to a communication pin of the controller, which realizes that the fixed electronic price tag at each contact position can be passed through the communication cable It communicates with a communication pin of the controller. At the same time, there is a corresponding relationship between the communication pin of the controller and the position of the contact. Each contact position corresponds to a relative position on the fixed device. Then, the controller can use the communication line The cable receives the information sent by the fixed electronic price tag at each contact position, and according to the identification of the communication pin receiving the information, in the correspondence between the communication pin and the contact position, the contact corresponding to the communication pin receiving the information is determined. Point the position, and according to the determined relative position corresponding to the contact position, the position of the electronic price tag that sends the information can be located, so that the position of the electronic price tag that sends the information on the fixed device is obtained. Realize the location of the electronic price tag on the fixed device through line communication. Due to the strong anti-interference ability of line communication and easy construction, it is compatible with the existing technology of WiFi, BLE, UWB, RFID, infrared indoor positioning technology, etc. In contrast, this application can avoid problems such as noise signal interference, complicated construction, poor stability, and high cost, and has the advantages of reducing costs, improving positioning accuracy, improving anti-interference ability, and ease of construction implementation.
具体实施时，本申请对固定装置的具体结构形式不做限定，只要可以多个触点位置固定电子价签即可，例如，如图2所示，上述固定装置可以是挤出条的结构形式，该挤出条上设置多个触点位置，在每个触点位置上，设置一根通信线缆，通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接，即每个触点位置固定的电子价签通过通信线缆即可与控制器的一个通信引脚通信。In specific implementation, this application does not limit the specific structure of the fixing device, as long as the electronic price tag can be fixed at multiple contact positions. For example, as shown in Figure 2, the fixing device may be an extruded strip structure. , The extruded strip is provided with a plurality of contact positions, in each contact position, a communication cable is arranged, one end of the communication cable is connected with the first metal contact of the contact position, and the contact position The fixed electronic price tag is connected to the first metal contact, and the other end of the communication cable is connected to a communication pin of the controller, that is, each electronic price tag with a fixed contact position can be connected to the first metal contact A communication pin of the controller communicates.
具体实施时，上述控制器104可以采用任意具备数据处理能力、具备多个通信引脚的芯片。During specific implementation, the aforementioned controller 104 may adopt any chip with data processing capability and multiple communication pins.
具体实施时，上述控制器104可以设置在固定装置102的内部，也可以设置在固定装置102的外部。In a specific implementation, the above-mentioned controller 104 may be arranged inside the fixing device 102 or outside the fixing device 102.
具体实施时，本申请通过线路通信的方式来定位电子价签，由于线路通信相对抗干扰能力强、稳定性强，使得可以相对提高定位的精度，为了进一步提高定位的精度，在本实施例中，可以通过以下方式定位电子价签：In specific implementation, this application uses line communication to locate electronic price tags. Due to the relatively strong anti-interference ability and stability of line communication, the accuracy of positioning can be relatively improved. In order to further improve the accuracy of positioning, in this embodiment , You can locate the electronic price tag in the following ways:
所述控制器104，具体用于在每个触点位置对应的相对位置为该触点位置在所述固定装置上的序号以及相邻两个触点位置的间距时，将确定出的触点位置在所述固定装置上的序号乘以相邻两个触点位置的间距，将乘积作为发送所述信息的电子价签的位置；或者，在每个触点位置对应的相对位置为该触点位置在所述固定装置上的具***置时，将确定出的触点位置对应的所述相对位置作为发送所述信息的电子价签的位置。The controller 104 is specifically configured to determine the contact position when the relative position corresponding to each contact position is the serial number of the contact position on the fixing device and the distance between two adjacent contact positions The serial number of the position on the fixing device is multiplied by the distance between two adjacent contact positions, and the product is used as the position of the electronic price tag that sends the information; or, the relative position corresponding to each contact position is the contact position. When the point position is at a specific position on the fixing device, the relative position corresponding to the determined contact position is used as the position of the electronic price tag that sends the information.
具体的，在每个触点位置对应的相对位置为该触点位置在所述固定装置上的序号以及相邻两个触点位置的间距时，例如，固定装置上的多个触点位置按照某一顺序(例如，由左端至右端或者由右端至左端的顺序)编号，触点位置的序号依次为1、2、3……N，多个触点位置等间距设置，相邻两个触点位置的间距为M，控制器的通信引脚与每个触点位置存在对应关系，可以是通信引脚与每个触点位置存在一一对应的对应关系，当某个通信引脚接收到电子价签发送的信息，可以根据接收信息的通信引脚在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，例如，确定出接收信息的通信引脚对应的触点位置为3，则将3乘以M的结果作为发送信息的电子价签在固定装置上的位置。Specifically, when the relative position corresponding to each contact position is the serial number of the contact position on the fixing device and the distance between two adjacent contact positions, for example, the positions of multiple contact points on the fixing device are Numbering in a certain sequence (for example, from left end to right end or from right end to left end), the sequence numbers of the contact positions are 1, 2, 3...N, multiple contact positions are arranged at equal intervals, and two adjacent contacts are arranged at equal intervals. The distance between the point positions is M. The communication pin of the controller has a corresponding relationship with each contact position. It can be a one-to-one correspondence between the communication pin and each contact position. When a communication pin receives The information sent by the electronic price tag can be determined according to the corresponding relationship between the communication pin and the contact position of the communication pin receiving the information, for example, the communication of the receiving information can be determined The contact position corresponding to the pin is 3, and the result of multiplying 3 by M is used as the position of the electronic price tag that sends the information on the fixed device.
具体的，在每个触点位置对应的相对位置为该触点位置在所述固定装置上的具***置时，即每个触点位置的相对位置即该触点位置在固定装置上的具体数值，例如，该触点位置在固定装置上以某一端为起点的S米处，此时即可直接将确定出的触点位置对应的相对位置作为发送信息的电子价签的位置。Specifically, when the relative position corresponding to each contact position is the specific position of the contact position on the fixing device, that is, the relative position of each contact position is the specific value of the contact position on the fixing device For example, if the contact position is S meters from a certain end on the fixing device, the relative position corresponding to the determined contact position can be directly used as the position of the electronic price tag for sending information.
具体实施时，每个触点位置处设置两个金属触点，第一金属触点用于与通信线缆连接，以便实现固定电子价签与控制器的一个通信引脚的通信；第二金属触点用于与共地线缆连接，控制器的接地引脚也与共地线缆连接，用于实现固定电子价签的控制器的共地。例如，如图3所示，Node1、Node2、Node3分别代表固定装置上的三个触点位置，即触点位置1、触点位置2、触点位置3，Master代表控制器，每个触点位置通过第一金属触点与控制器的一个通信引脚之间连接一根通信线缆A，各触点位置通过第二金属触点以及控制器的接地引脚连接在共地线缆B上。In specific implementation, two metal contacts are provided at each contact position, the first metal contact is used to connect with the communication cable, so as to realize the communication between the fixed electronic price tag and a communication pin of the controller; the second metal The contact is used to connect with the common ground cable, and the ground pin of the controller is also connected with the common ground cable to realize the common ground of the controller of the fixed electronic price tag. For example, as shown in Figure 3, Node1, Node2, and Node3 respectively represent three contact positions on the fixed device, namely contact position 1, contact position 2, and contact position 3. Master represents the controller, and each contact The position is connected to a communication cable A through the first metal contact and a communication pin of the controller, and each contact position is connected to the common ground cable B through the second metal contact and the ground pin of the controller. .
具体实施时，为了实现可以确定出定位的是哪个电子价签，在本实施例中，所述电子价签发送的信息可以包括所述电子价签的唯一性标识。即电子价签发送信息给控制器的一个通信引脚后，控制器可以根据通信引脚的地址、编号、ID等标识确定出是哪个通信引脚接收到了信息，并根据通信引脚与触点位置的对应关系以及每个触点位置对应的相对位置，确定出接收信息的通信引脚对应的触点位置的相对位置，进而定位出发送信息的电子价签的位置，控制器还可以根据信息中的唯一性标识确定出是哪个电子价签发送的信息，最终，即可确定出电子价签的唯一性标识与位置的关系，即可定位出哪个电子价签在固定装置的什么位置上。During specific implementation, in order to determine which electronic price tag is located, in this embodiment, the information sent by the electronic price tag may include the unique identifier of the electronic price tag. That is, after the electronic price tag sends information to a communication pin of the controller, the controller can determine which communication pin received the information according to the address, number, ID, etc. of the communication pin, and then according to the communication pin and contact The corresponding relationship of the position and the relative position corresponding to each contact position determine the relative position of the contact position corresponding to the communication pin receiving the information, and then locate the position of the electronic price tag that sends the information. The controller can also determine the position of the electronic price tag that sends the information according to the information The unique identifier in determines which electronic price tag sent the information, and finally, the relationship between the unique identifier of the electronic price tag and the position can be determined, and which electronic price tag is located on the fixed device.
具体实施时，电子价签与控制器之间可以通过one-wire通信协议进行通信，在一定区域范围内，多个固定装置上的电子价签可以通过一个路由器进行通信。In specific implementation, the electronic price tag and the controller can communicate through the one-wire communication protocol. Within a certain area, the electronic price tag on multiple fixed devices can communicate through a router.
具体实施时，如图4所示，上述电子价签的定位装置的工作过程可以包括以下步骤：In specific implementation, as shown in FIG. 4, the working process of the positioning device for the above electronic price tag may include the following steps:
同一AP(路由器)下各固定装置的电子价签和控制器设备由无线通信***保持时钟同步，同时唤醒。当控制器唤醒后，控制器按预定顺序逐个IO(即通信引脚)发起通信，发送信息查询命令，以询问N线上设备的信息。The electronic price tag and controller equipment of each fixed device under the same AP (router) are synchronized by the wireless communication system and wake up at the same time. When the controller wakes up, the controller initiates communication one by one IO (ie, communication pin) in a predetermined order, and sends an information query command to query the information of the equipment on the N line.
当电子价签的IO接口电平变化时，电子价签响应IO接口中断并接收单线通信，控制器发送完成后，如电子价签应答，则电子价签通过单线应答控制器自己的信息，该信息可以包括ID序号等，控制器记录电子价签地址和设备信息；如电子价签未应答，则控 制器判断是否所有线路遍历完成，若是，控制器向服务器发送设备信息，否则，线数递增，继续询问下一个设备的信息。When the level of the IO interface of the electronic price tag changes, the electronic price tag responds to the interruption of the IO interface and receives single-wire communication. After the controller sends it, if the electronic price tag responds, the electronic price tag responds to the controller’s own information through a single line. The information can include ID serial number, etc. The controller records the electronic price tag address and device information; if the electronic price tag does not respond, the controller determines whether all lines traversal is completed, if so, the controller sends the device information to the server, otherwise, the line number is incremented , Continue to ask for the information of the next device.
具体实施时，在本实施例中，还提供了一种电子价签的定位***，该***包括：服务器以及上述任意的电子价签的定位装置，其中，During specific implementation, in this embodiment, an electronic price tag positioning system is also provided. The system includes: a server and any of the above-mentioned electronic price tag positioning devices, wherein:
所述控制器向所述服务器上报所述固定装置上固定的各电子价签的位置信息。控制器还可以接收服务器发送的定位调度信息。The controller reports the location information of each electronic price tag fixed on the fixing device to the server. The controller can also receive positioning scheduling information sent by the server.
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定位方法，如下面的实施例所述。由于电子价签的定位方法解决问题的原理与电子价签的定位装置相似，因此电子价签的定位方法的实施可以参见电子价签的定位装置的实施，重复之处不再赘述。Based on the same inventive concept, an embodiment of the present invention also provides a method for locating an electronic price tag, as described in the following embodiment. Since the principle of the electronic price tag positioning method to solve the problem is similar to that of the electronic price tag positioning device, the implementation of the electronic price tag positioning method can refer to the implementation of the electronic price tag positioning device, and the repetition will not be repeated.
图5是本发明实施例的电子价签的定位方法的一种流程图，如图5所示，该方法包括：Fig. 5 is a flow chart of a method for locating an electronic price tag according to an embodiment of the present invention. As shown in Fig. 5, the method includes:
步骤502：记录控制器的通信引脚与每个触点位置存在的对应关系，记录每个触点位置对应的一个在固定装置上的相对位置，其中，所述固定装置上设置多个触点位置，每个触点位置上固定所述电子价签，在每个触点位置上，通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接；Step 502: Record the corresponding relationship between the communication pin of the controller and each contact position, and record the relative position of each contact position on the fixing device, wherein a plurality of contacts are provided on the fixing device Position, the electronic price tag is fixed at each contact position, at each contact position, one end of the communication cable is connected to the first metal contact at the contact position, and the contact position is fixed at the The electronic price tag is connected with the first metal contact, and the other end of the communication cable is connected with a communication pin of the controller;
步骤504：通过所述控制器利用通信线缆接收各触点位置处固定的所述电子价签发送的信息，根据接收所述信息的通信引脚，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置。Step 504: The controller uses the communication cable to receive the information sent by the electronic price tag fixed at each contact position, and according to the communication pin receiving the information, the correspondence between the communication pin and the contact position In this step, the contact position corresponding to the communication pin that receives the information is determined, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
在一个实施例中，根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置，包括；In one embodiment, locating the position of the electronic price tag sending the information according to the relative position corresponding to the determined contact position includes;
在每个触点位置对应的相对位置为该触点位置在所述固定装置上的序号以及相邻两个触点位置的间距时，将确定出的触点位置在所述固定装置上的序号乘以相邻两个触点位置的间距，将乘积作为发送所述信息的电子价签的位置；或者，在每个触点位置对应的相对位置为该触点位置在所述固定装置上的具***置时，将确定出的触点位置对应的所述相对位置作为发送所述信息的电子价签的位置。When the relative position corresponding to each contact position is the serial number of the contact position on the fixing device and the distance between two adjacent contact positions, the serial number of the determined contact position on the fixing device Multiply the distance between two adjacent contact positions, and use the product as the position of the electronic price tag sending the information; or, the relative position corresponding to each contact position is the position of the contact on the fixing device In the case of a specific position, the relative position corresponding to the determined contact position is used as the position of the electronic price tag that sends the information.
在一个实施例中，上述方法还包括：In an embodiment, the above method further includes:
每个触点位置的第二金属触点与共地线缆连接，每个触点位置处固定的所述电子价签与第二金属触点连接，将所述共地线缆与所述控制器的接地引脚连接。The second metal contact at each contact position is connected to a common ground cable, the electronic price tag fixed at each contact position is connected to the second metal contact, and the common ground cable is connected to the controller The ground pin is connected.
在一个实施例中，所述电子价签发送的信息包括所述电子价签的唯一性标识。In one embodiment, the information sent by the electronic price tag includes a unique identifier of the electronic price tag.
在本实施例中，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上述任意的电子价签的定位方法的计算机程序。In this embodiment, a computer-readable storage medium is provided, and the computer-readable storage medium stores a computer program that executes any of the above-mentioned methods for locating an electronic price tag.
具体的，计算机可读存储介质包括永久性和非永久性、可移动和非可移动媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机可读存储介质的例子包括，但不限于相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带，磁带磁磁盘存储或其他磁性存储设备或任何其他非传输介质，可用于存储可以被计算设备访问的信息。按照本文中的界定，计算机可读存储介质不包括暂存电脑可读媒体(transitory media)，如调制的数据信号和载波。Specifically, computer-readable storage media includes permanent and non-permanent, removable and non-removable media, and information storage can be realized by any method or technology. The information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer-readable storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only Memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical storage , Magnetic cassette tape, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by computing devices. According to the definition in this article, computer-readable storage media does not include transitory media, such as modulated data signals and carrier waves.
本发明实施例实现了如下技术效果：通过在固定装置上的多个触点位置处固定电子价签，并在每个触点位置上通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接，即实现了每个触点位置处固定的电子价签可以通过通信线缆与控制器的一个通信引脚通信，同时，控制器的通信引脚与触点位置存在对应关系，每个触点位置对应一个在该固定装置上的相对位置，那么，控制器可以通过通信线缆接收各触点位置处固定的电子价签发送的信息，根据接收信息的通信引脚的标识，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置即可定位发送所述信息的电子价签的位置，因此，得到发送所述信息的电子价签在固定装置上的位置。实现了通过线路通信的方式来定位电子价签在固定装置上的位置，由于线路通信抗干扰能力强、易于施工，使得与现有技术中的WiFi、BLE、UWB、RFID、红外线室内定位技术等相比，本申请可以避免受噪声信号干扰、施工复杂、稳定性不佳以及成本高等问题，具备有利于降低成本、提高定位精度、提高抗干扰能力、易于施工实施等优点。The embodiment of the present invention achieves the following technical effects: by fixing the electronic price tag at a plurality of contact positions on the fixing device, and at each contact position, one end of the communication cable is in contact with the first metal at the contact position. Point connection, the electronic price tag fixed at the contact position is connected to the first metal contact, and the other end of the communication cable is connected to a communication pin of the controller, that is, the fixed position at each contact position is realized The electronic price tag can communicate with a communication pin of the controller through a communication cable. At the same time, there is a corresponding relationship between the communication pin of the controller and the contact position, and each contact position corresponds to a relative position on the fixed device. Then, the controller can receive the information sent by the fixed electronic price tag at each contact position through the communication cable, and determine the received information according to the identification of the communication pin receiving the information in the correspondence relationship between the communication pin and the contact position. The contact position corresponding to the communication pin of the information, and the position of the electronic price tag sending the information can be located according to the relative position corresponding to the determined contact position, so that the electronic price tag sending the information is obtained Position on the fixture. Realize the location of the electronic price tag on the fixed device through line communication. Due to the strong anti-interference ability of line communication and easy construction, it is compatible with the existing technology of WiFi, BLE, UWB, RFID, infrared indoor positioning technology, etc. In contrast, this application can avoid problems such as noise signal interference, complicated construction, poor stability, and high cost, and has the advantages of reducing costs, improving positioning accuracy, improving anti-interference ability, and ease of construction implementation.
本领域内的技术人员应明白，本发明的实施例可提供为方法、***、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面 的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。Those skilled in the art should understand that the embodiments of the present invention can be provided as a method, a system, or a computer program product. Therefore, the present invention may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
本发明是参照根据本发明实施例的方法、设备(***)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present invention is described with reference to flowcharts and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and/or block in the flowchart and/or block diagram, and the combination of processes and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing equipment can be used to generate It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device. The device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment. The instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
以上所述的具体实施例，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present invention in further detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the scope of the present invention. The scope of protection, any modification, equivalent replacement, improvement, etc., made within the spirit and principle of the present invention shall be included in the scope of protection of the present invention.

Claims (10)

  1. 一种电子价签的定位装置，其特征在于，包括：An electronic price tag positioning device, which is characterized in that it comprises:
    固定装置，用于固定电子价签，其中，所述固定装置上设置多个触点位置，每个触点位置处固定所述电子价签，在每个触点位置上，通信线缆的一端与该触点位置的第一金属触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接，控制器的通信引脚与触点位置存在对应关系，每个触点位置对应一个在该固定装置上的相对位置；A fixing device for fixing an electronic price tag, wherein a plurality of contact positions are provided on the fixing device, and the electronic price tag is fixed at each contact position, and at each contact position, one end of a communication cable Connected with the first metal contact at the contact position, the electronic price tag fixed at the contact position is connected with the first metal contact, and the other end of the communication cable is connected with a communication pin of the controller to control There is a corresponding relationship between the communication pin of the device and the contact position, and each contact position corresponds to a relative position on the fixing device;
    所述控制器，通过通信线缆接收各触点位置处固定的所述电子价签发送的信息，根据接收所述信息的通信引脚，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置。The controller receives the information sent by the electronic price tag fixed at each contact position through a communication cable, and determines the correspondence between the communication pin and the contact position according to the communication pin receiving the information The contact position corresponding to the communication pin that receives the information, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
  2. 如权利要求1所述的电子价签的定位装置，其特征在于，所述控制器，具体用于在每个触点位置对应的相对位置为该触点位置在所述固定装置上的序号以及相邻两个触点位置的间距时，将确定出的触点位置在所述固定装置上的序号乘以相邻两个触点位置的间距，将乘积作为发送所述信息的电子价签的位置；或者，在每个触点位置对应的相对位置为该触点位置在所述固定装置上的具***置时，将确定出的触点位置对应的所述相对位置作为发送所述信息的电子价签的位置。The positioning device of an electronic price tag according to claim 1, wherein the controller is specifically configured to correspond to the relative position of each contact position as the serial number of the contact position on the fixing device and When the distance between two adjacent contact positions is determined, the sequence number of the determined contact position on the fixing device is multiplied by the distance between two adjacent contact positions, and the product is used as the value of the electronic price tag sending the information Position; or, when the relative position corresponding to each contact position is the specific position of the contact position on the fixing device, the relative position corresponding to the determined contact position is used as the electronic The location of the price tag.
  3. 如权利要求1所述的电子价签的定位装置，其特征在于，还包括；The positioning device for an electronic price tag according to claim 1, further comprising;
    共地线缆，每个触点位置的第二金属触点与所述共地线缆连接，每个触点位置处固定的所述电子价签与第二金属触点连接，所述共地线缆与控制器的接地引脚连接。Common ground cable, the second metal contact at each contact position is connected with the common ground cable, the electronic price tag fixed at each contact position is connected with the second metal contact, the common ground The cable is connected to the ground pin of the controller.
  4. 如权利要求1至3中任一项所述的电子价签的定位装置，其特征在于，所述电子价签发送的信息包括所述电子价签的唯一性标识。The positioning device for an electronic price tag according to any one of claims 1 to 3, wherein the information sent by the electronic price tag includes a unique identifier of the electronic price tag.
  5. 一种电子价签的定位***，其特征在于，包括：服务器以及权利要求1至4中任一项所述的电子价签的定位装置，其中，An electronic price tag positioning system, characterized by comprising: a server and the electronic price tag positioning device according to any one of claims 1 to 4, wherein:
    所述控制器向所述服务器上报所述固定装置上固定的各电子价签的位置信息。The controller reports the location information of each electronic price tag fixed on the fixing device to the server.
  6. 一种电子价签的定位方法，其特征在于，包括：An electronic price tag positioning method, which is characterized in that it comprises:
    记录控制器的通信引脚与每个触点位置存在的对应关系，记录每个触点位置对应的一个在固定装置上的相对位置，其中，所述固定装置上设置多个触点位置，每个触点位置上固定所述电子价签，在每个触点位置上，通信线缆的一端与该触点位置的第一金属 触点连接，该触点位置处固定的所述电子价签与第一金属触点连接，通信线缆的另一端与控制器的一个通信引脚连接；Record the corresponding relationship between the communication pin of the controller and each contact position, and record the relative position of each contact position on the fixing device. A plurality of contact positions are provided on the fixing device. The electronic price tag is fixed at each contact position, and at each contact position, one end of the communication cable is connected to the first metal contact at the contact position, and the electronic price tag is fixed at the contact position Connected to the first metal contact, and the other end of the communication cable is connected to a communication pin of the controller;
    通过所述控制器利用通信线缆接收各触点位置处固定的所述电子价签发送的信息，根据接收所述信息的通信引脚，在通信引脚与触点位置的对应关系中，确定该接收信息的通信引脚对应的触点位置，并根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置。The controller uses the communication cable to receive the information sent by the electronic price tag fixed at each contact position, and according to the communication pin receiving the information, in the correspondence relationship between the communication pin and the contact position, determine The contact position corresponding to the communication pin that receives the information, and the position of the electronic price tag that sends the information is located according to the relative position corresponding to the determined contact position.
  7. 如权利要求6所述的电子价签的定位方法，其特征在于，根据确定出的触点位置对应的所述相对位置定位发送所述信息的电子价签的位置，包括；The method for locating an electronic price tag according to claim 6, wherein locating the position of the electronic price tag sending the information according to the relative position corresponding to the determined contact position comprises;
    在每个触点位置对应的相对位置为该触点位置在所述固定装置上的序号以及相邻两个触点位置的间距时，将确定出的触点位置在所述固定装置上的序号乘以相邻两个触点位置的间距，将乘积作为发送所述信息的电子价签的位置；或者，在每个触点位置对应的相对位置为该触点位置在所述固定装置上的具***置时，将确定出的触点位置对应的所述相对位置作为发送所述信息的电子价签的位置。When the relative position corresponding to each contact position is the serial number of the contact position on the fixing device and the distance between two adjacent contact positions, the serial number of the determined contact position on the fixing device Multiply the distance between two adjacent contact positions, and use the product as the position of the electronic price tag sending the information; or, the relative position corresponding to each contact position is the position of the contact on the fixing device In the case of a specific position, the relative position corresponding to the determined contact position is used as the position of the electronic price tag that sends the information.
  8. 如权利要求6所述的电子价签的定位方法，其特征在于，还包括：The method for locating an electronic price tag according to claim 6, characterized in that it further comprises:
    每个触点位置的第二金属触点与共地线缆连接，每个触点位置处固定的所述电子价签与第二金属触点连接，将所述共地线缆与所述控制器的接地引脚连接。The second metal contact at each contact position is connected to a common ground cable, the electronic price tag fixed at each contact position is connected to the second metal contact, and the common ground cable is connected to the controller The ground pin is connected.
  9. 如权利要求6至8中任一项所述的电子价签的定位方法，其特征在于，所述电子价签发送的信息包括所述电子价签的唯一性标识。The method for locating an electronic price tag according to any one of claims 6 to 8, wherein the information sent by the electronic price tag includes a unique identifier of the electronic price tag.
  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6至9中任一项所述的电子价签的定位方法的计算机程序。A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for executing the method for positioning an electronic price tag according to any one of claims 6 to 9.
PCT/CN2020/076108 2020-02-21 2020-02-21 Apparatus, system and method for locating electronic price tag, and computer-readable storage medium WO2021163984A1 (en)

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