CN110414658B - 7.5 inch type II electronic tag - Google Patents

7.5 inch type II electronic tag Download PDF

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Publication number
CN110414658B
CN110414658B CN201910596021.7A CN201910596021A CN110414658B CN 110414658 B CN110414658 B CN 110414658B CN 201910596021 A CN201910596021 A CN 201910596021A CN 110414658 B CN110414658 B CN 110414658B
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China
Prior art keywords
capacitor
resistor
circuit
wireless
socket
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CN201910596021.7A
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Chinese (zh)
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CN110414658A (en
Inventor
陈天文
陈佳文
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Guangzhou Xibo Electronic Technology Co ltd
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Guangzhou Xibo Electronic Technology Co ltd
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Priority to CN201910596021.7A priority Critical patent/CN110414658B/en
Publication of CN110414658A publication Critical patent/CN110414658A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07766—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card comprising at least a second communication arrangement in addition to a first non-contact communication arrangement
    • G06K19/07769—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card comprising at least a second communication arrangement in addition to a first non-contact communication arrangement the further communication means being a galvanic interface, e.g. hybrid or mixed smart cards having a contact and a non-contact interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/44—Star or tree networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Selective Calling Equipment (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

The invention discloses a 7.5 inch type II electronic tag, which comprises a 7.5 inch type II electronic tag circuit arranged on a circuit board, wherein the 7.5 inch type II electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 7.5 inch type II electronic paper screen driving circuit, the power management circuit is connected with the wireless MCU circuit, the ZigBee wireless RF adaptive circuit is connected with the wireless MCU circuit, the memory is connected with the wireless MCU circuit, the 7.5 inch type II electronic paper screen driving circuit is connected with the wireless MCU circuit, and the 7.5 inch type II electronic tag forms a star-shaped wireless network with an intelligent Internet of things through a ZigBee wireless link. The invention can promote the comprehensive efficiency of wireless networking, power on ZigBee wireless automatic networking, plug and play, zigBee wireless off-grid automatic searching and matching network access, does not need user intervention, and adopts generalized design.

Description

7.5 inch type II electronic tag
Technical Field
The invention relates to the field of electronic tags, in particular to a 7.5 inch type II electronic tag.
Background
Most of 7.5 inch type II electronic tags in the current market are limited by factors such as cost or professional field, and only have the product functions and the realization of networking control requirements, for example: the 7.5 inch II type electronic tag on the market is applied to the super of an intelligent manufacturer, only the basic functions of updating display content, networking with an access gateway, setting parameters and the like are completed, the focus of circuit design is to meet the use requirement of the 7.5 inch II type electronic tag in a specific application scene, and the 7.5 inch II type electronic tag is basically not considered in the aspects of the use experience, networking efficiency, generalization and the like, so that the method is very unfavorable for large-scale popularization and popularization of the product, future development and application upgrading, and hardware interconnection among different manufacturers and among different product types is not needed, and even has a blocking effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the 7.5 inch type II electronic tag which can improve the comprehensive efficiency of wireless networking, power on ZigBee wireless automatic networking, plug and play, zigBee wireless off-grid automatic search matching network access, does not need user intervention and adopts a generalized design.
The technical scheme adopted for solving the technical problems is as follows: the 7.5 inch II type electronic tag comprises a 7.5 inch II type electronic tag circuit arranged on a circuit board, wherein the 7.5 inch II type electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 7.5 inch II type electronic paper screen driving circuit, the power management circuit is connected with the wireless MCU circuit and used for completing the functions of voltage reduction, voltage stabilization and charging, the ZigBee wireless RF adaptive circuit is connected with the wireless MCU circuit and used for completing the function of radio frequency impedance matching, the memory is connected with the wireless MCU circuit and used for completing the function of data buffering or storage, the 7.5 inch II type electronic paper screen driving circuit is connected with the wireless MCU circuit, and the 7.5 inch II type electronic tag forms a star type wireless network with an intelligent internet of things through a ZigBee wireless link.
In the 7.5 inch type II electronic tag, the wireless MCU circuit is used for completing ZigBee air interface protocol conversion, receiving and processing instructions issued by an intelligent Internet of things gateway, transmitting display contents to a 7.5 inch type II electronic paper screen for display according to actual needs, providing the capability of converting texts, two-dimensional codes, bar codes and pictures into a 7.5 inch type II electronic paper screen display format by means of a word stock in a memory, automatically carrying out ZigBee wireless networking matching with the intelligent Internet of things gateway when ZigBee wireless network disconnection, and automatically searching the accessed intelligent Internet of things gateway for ZigBee wireless automatic networking matching.
In the 7.5 inch type II electronic tag, the wireless MCU circuit comprises a capacitor C1, a capacitor C2, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a crystal oscillator Y1 and a ZigBee wireless MCU chip U1 which are arranged on the front surface of a circuit board, wherein the ZigBee wireless MCU chip U1 is arranged at the lower end of the circuit board, the capacitor C1, the capacitor C2, the capacitor C14, the capacitor C15, the capacitor C16, the crystal oscillator Y1 and the capacitor C13 are all positioned on the right side of the ZigBee wireless MCU chip U1, the capacitor C2 is positioned below the capacitor C1, the capacitor C16 is positioned below the capacitor C2, the capacitor C15 is positioned below the capacitor C16, the crystal oscillator is positioned below the capacitor C14, the capacitor C13 is positioned below the crystal oscillator Y1, the capacitor C12 is positioned below the ZigBee wireless MCU chip U1, and the ZigBee wireless MCU chip U11 is positioned below the ZigBee wireless MCU chip U1.
In the 7.5 inch type II electronic tag, the ZigBee wireless MCU chip U1 adopts a ZigBee wireless MCU special for JN5169 of NXP company.
In the 7.5 inch type II electronic tag of the invention, the power management circuit comprises a battery, a battery holder J1, a wireless power receiving coil socket B1, an indicator light LED, a charging and working indicator light socket J7, a charging integrated chip U7, an LDO voltage reducing integrated chip U8, a wireless power receiving integrated chip U10, a resistor R26, a resistor R29, a resistor R30, a resistor R54, a resistor R55, a resistor R56, a resistor R57, a capacitor C48, a capacitor C49, a capacitor C50, a capacitor C51, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57, a capacitor C58, a capacitor C59, a capacitor C70, a capacitor C71, a capacitor C75, a capacitor C60, a capacitor C61, a capacitor C62, a capacitor C63, a capacitor C64, a capacitor C65, a capacitor C66, a capacitor C67 and a capacitor C68 which are arranged on the right end of the circuit board, the capacitor C53, the capacitor C54, the capacitor C55, the capacitor C56, the capacitor C57, the capacitor C52, the capacitor C71 and the capacitor C75 are all located above the wireless power receiving coil socket B1, the capacitor C63 and the capacitor C64 are all located above the wireless power receiving coil socket B1, the capacitor C60 is located at the left side of the capacitor C64, the resistor R54, the capacitor C55, the capacitor C61, the capacitor C62, the resistor R56, the resistor R57, the capacitor C65, the capacitor C66, the capacitor C67, the capacitor C68, the capacitor C59, the capacitor C7 and the capacitor C58 are all located at the left side of the wireless power receiving coil socket B1, the capacitor C50, the LDO voltage reducing integrated chip U8 and the capacitor C51 are all located above the capacitor C60, the battery holder J1 is mounted at a position where the left end of the circuit board is close to the lower side, the indicator LED is located above the right side of the battery holder J1, the resistor R29, the capacitor C7, the capacitor C68, the capacitor C59, the capacitor C48, and the capacitor C26 are all located at the left side of the wireless power receiving coil socket B1 The capacitor C49 and the resistor R30 are both positioned on the right side of the indicator light LED, and the charging and working indicator light socket J7 is arranged at the upper end of the circuit board.
In the 7.5 inch type II electronic tag, the ZigBee wireless RF adapter circuit comprises a resistor R1, a resistor R50, a resistor R51, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, an inductor L1, an inductor L2, an onboard antenna E1 and an external antenna seat J3 which are arranged on the front surface of a circuit board, wherein the inductor L1, the capacitor C5, the capacitor C6, the capacitor C4, the capacitor C3 and the inductor L2 are positioned above the ZigBee wireless MCU chip, the resistor R1 is positioned above the capacitor C1, the external antenna seat J3 is positioned at the right lower part of the charging and working indicator lamp socket, the resistor R50 is positioned at the right side of the external antenna seat J3, the resistor R51 is positioned above the resistor R50, and the onboard antenna E1 is positioned at the upper end of the circuit board.
In the 7.5 inch type II electronic tag, the memory comprises a resistor R25, a capacitor C17, an SPI RAM integrated chip U2, a resistor R9, a resistor R12, a capacitor C74 and an SPI Flash integrated chip U3 which are arranged on the front surface of the circuit board, wherein the capacitor C17 is positioned on the left side of the ZigBee wireless MCU chip U1, the SPI RAM integrated chip U2 is positioned on the upper left side of the ZigBee wireless MCU chip U1, the resistor R25, the capacitor C74 and the SPI Flash integrated chip U3 are positioned above the SPI RAM integrated chip U2, and the resistor R9 and the resistor R12 are positioned on the upper right side of the SPI Flash integrated chip U3.
In the 7.5 inch type II electronic tag of the invention, the 7.5 inch type II electronic paper screen driving circuit comprises a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a resistor R58, a resistor R59, a capacitor C24, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a capacitor C32, a capacitor C33, a capacitor C34, a capacitor C35, a capacitor C36, a capacitor C37, a capacitor C38, a capacitor C39, a capacitor C40, a capacitor C41, a capacitor C42, a capacitor C43, a capacitor C44, a capacitor C45, a capacitor C46, a capacitor C47, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a capacitor L6, a inductor L7, a MOS transistor Q4, a MOS transistor Q5, a 7.5 type II electronic paper screen socket and a 7.5 inch type II electronic paper screen socket, the 7.5 inch type II electronic paper screen socket J4, the capacitor C29, the capacitor C30, the capacitor C31, the capacitor C32, the capacitor C33, the resistor R16, the capacitor C34, the capacitor C35, the resistor R32, the resistor R31, the capacitor C27, the capacitor C28, the inductor L6, the resistor R15, the MOS tube Q4, the diode D1, the diode D2, the diode D3, the capacitor C24, the capacitor C25, the capacitor C26 and the resistor R58 are all positioned on the right side of the battery socket J1, the 7.5 inch type II electronic paper screen socket J5 is positioned above the indicator LED, the capacitor C47, the capacitor C46, the resistor R18, the capacitor C45, the capacitor C44, the capacitor C43, the capacitor C42, the capacitor C41, the capacitor C38, the capacitor C39, the capacitor C40, the resistor R34, the inductor L7 and the resistor R33 are all positioned above the 7.5 inch type II electronic paper screen J5, the diode D4, the diode D5, the diode D6, the capacitor C37 and the capacitor R37 are all positioned on the right side of the socket J5 inch type II electronic paper screen, the MOS tube Q5 is positioned on the right side of the 7.5 inch type II electronic paper screen socket J5, and the resistor R59 is positioned on the upper right side of the MOS tube Q5.
The 7.5 inch type II electronic tag has the following beneficial effects: the 7.5 inch II type electronic tag circuit is arranged on the circuit board, and the 7.5 inch II type electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 7.5 inch II type electronic paper screen driving circuit, and the 7.5 inch II type electronic tag forms a star type wireless network with the intelligent Internet of things through a ZigBee wireless link, so that the comprehensive efficiency of wireless networking can be improved, the wireless automatic networking of the ZigBee can be powered on, the plug and play can be realized, the automatic searching and matching of the ZigBee wireless disconnection network can be realized, the user intervention is not required, and the universal design is adopted.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a 7.5 inch type II electronic tag circuit in one embodiment of the 7.5 inch type II electronic tag of the present invention;
FIG. 2 is a schematic diagram of a 7.5 inch type II electronic tag network in the embodiment;
FIG. 3 is a diagram showing components on the front side of the circuit board according to the embodiment;
FIG. 4 is a pattern of pads and conductors on the front side of the circuit board in the illustrated embodiment;
FIG. 5 is a diagram showing components on the opposite side of the circuit board in the embodiment;
fig. 6 is a pattern of pads and conductors on the opposite side of the circuit board in the illustrated embodiment.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the 7.5 inch type II electronic tag embodiment of the invention, the 7.5 inch type II electronic tag comprises a 7.5 inch type II electronic tag circuit arranged on a circuit board, and the 7.5 inch type II electronic tag circuit is used as a core of the 7.5 inch type II electronic tag, and adopts a modularized and generalized design principle. The schematic structure of the 7.5 inch type II electronic tag circuit is shown in FIG. 1. In fig. 1, the 7.5 inch type II electronic tag circuit includes a wireless MCU circuit 1, a power management circuit 2, a ZigBee wireless RF adapter circuit 3, a memory 4, and a 7.5 inch type II electronic paper screen driving circuit 5, where the power management circuit 2 is connected with the wireless MCU circuit 1, and is used for completing the functions of voltage reduction, voltage stabilization, and charging, and is implemented by selecting an LDO voltage reduction and charging integrated chip, and combining with separate components (resistor, capacitor, etc.).
The ZigBee wireless RF adaptation circuit 3 is connected with the wireless MCU circuit 1 and is used for completing the matching function of radio frequency impedance (50Ω), and is realized by adopting separated components (inductance, capacitance, resistance and the like).
The memory 4 is connected with the wireless MCU circuit 1 and is used for completing the data caching or storage function, and is realized by adopting an SPI Flash and RAM integrated chip and combining with separated components (resistor, capacitor and the like).
The 7.5 inch type II electronic paper screen driving circuit 5 is connected with the wireless MCU circuit 1. Based on the general design principle, the electronic paper screen is realized by adopting separated components (MOS (metal oxide semiconductor) tubes, resistors, capacitors, inductors and the like), and can be connected with 7.5 inch type II electronic paper screens of various manufacturers such as tin-free Weifeng, guangzhou Orthong and the like.
The 7.5 inch II type electronic tag forms a star-shaped wireless network with the intelligent Internet of things through a ZigBee wireless link. Fig. 2 is a schematic diagram of a network structure of a 7.5 inch type II electronic tag network in this embodiment. A user can operate and control the 7.5 inch type II electronic tag through the intelligent Internet of things gateway. The intelligent Internet of things gateway (intelligent Internet of things gateway equipment) is different from a ZigBee Internet of things gateway on the market.
The 7.5 inch type II electronic tag has the following characteristics: 1) The intelligent networking can be realized: the ZigBee wireless automatic networking is powered on without user operation, plug and play is realized, and the ZigBee wireless disconnection automatic searching and matching network access is realized; 2) Networking standard: IEEE 802.15.4 supporting AES128 encryption; 3) Low power consumption: under the condition that the time interval of display content update is not less than 24 hours, the service life of the button cell is not less than 1 year; 4) Supply voltage: DC3.6V, lithium batteries can be used for power supply and repeated use; 5) And (3) displaying a screen: 7.5 inch II type electronic paper screen (three colors of red, black and white, resolution: 800 x 480), the display content can be kept and not lost without any power supply; 6) Wireless operating frequency band: 2.4GHz; 7) Wireless transmit power: 10dBm; 8) Wireless output impedance: 50 omega; 9) Radio reception sensitivity: -96dBm;10 Wireless data transmission rate): 250Kbps.
The wireless MCU circuit 1 is used for completing ZigBee air interface protocol conversion, receiving and processing instructions issued by an intelligent Internet of things gateway, transmitting display contents to the 7.5 inch II type electronic paper screen for display according to actual needs, providing the capability of converting text, two-dimensional codes, bar codes, pictures and other information into the 7.5 inch II type electronic paper screen display format by means of information such as word stock and the like in a memory, and combining the capability with an improved ZigBee wireless air interface data transmission protocol, so that the comprehensive efficiency of the traditional 7.5 inch II type electronic tag ZigBee wireless networking can be improved by 10 times or more.
The power-on is automatically matched with the intelligent Internet of things through ZigBee wireless networking, so that user intervention, plug and play are not needed, and the user experience is greatly improved. When ZigBee wireless network disconnection occurs, the intelligent Internet of things capable of being accessed is automatically searched for ZigBee wireless automatic networking matching, user intervention is not needed, and user experience is improved. The invention can promote the comprehensive efficiency of wireless networking, power on ZigBee wireless automatic networking, plug and play, zigBee wireless off-grid automatic searching and matching network access, does not need user intervention, and adopts generalized design.
Fig. 3 is a distribution diagram of components on the front side of a circuit board in the embodiment, in fig. 3, a wireless MCU circuit 1 includes a capacitor C1, a capacitor C2, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a crystal oscillator Y1 and a ZigBee wireless MCU chip U1 mounted on the front side of the circuit board, the ZigBee wireless MCU chip U1 is mounted on the lower end of the circuit board, the capacitor C1, the capacitor C2, the capacitor C14, the capacitor C15, the capacitor C16, the crystal oscillator Y1 and the capacitor C13 are all located on the right side of the ZigBee wireless MCU chip U1, the capacitor C2 is located at the lower left side of the capacitor C1, the capacitor C16 is located below the capacitor C2, the capacitor C15 is located below the capacitor C16, the capacitor C14 is located below the capacitor C14, the capacitor C13 is located below the crystal oscillator Y1, the capacitor C12 is located below the ZigBee wireless MCU chip U1, and the capacitor C11 is located at the lower left side of the ZigBee wireless MCU chip U1.
The ZigBee wireless MCU chip U1 is a wireless MCU processor, and is a ZigBee wireless MCU special for JN5169 of NXP company.
In this embodiment, the power management circuit 2 includes a battery, a battery holder J1, a wireless power receiving coil socket B1, an indicator LED, a charging and operating indicator socket J7, a charging integrated chip U7, an LDO step-down integrated chip U8, a wireless power receiving integrated chip U10, a resistor R26, a resistor R29, a resistor R30, a resistor R54, a resistor R55, a resistor R56, a resistor R57, a capacitor C48, a capacitor C49, a capacitor C50, a capacitor C51, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57, a capacitor C58, a capacitor C59, a capacitor C70, a capacitor C71, a capacitor C75, a capacitor C60, a capacitor C61, a capacitor C62, a capacitor C63, a capacitor C64, a capacitor C65, a capacitor C66, a capacitor C67, and a capacitor C68 mounted on the right side of the circuit board, the capacitor C53, the capacitor C54, the capacitor C55, the capacitor C56, the capacitor C57, the capacitor C52, the capacitor C71 and the capacitor C75 are all located above the wireless power receiving coil socket B1, the capacitor C63 and the capacitor C64 are all located above the left side of the wireless power receiving coil socket B1, the capacitor C60 is located at the left side of the capacitor C64, the resistor R54, the capacitor C55, the capacitor C61, the capacitor C62, the resistor R56, the resistor R57, the capacitor C65, the capacitor C66, the capacitor C67, the capacitor C68, the capacitor C59, the capacitor C7 and the capacitor C58 are all located at the left side of the wireless power receiving coil socket B1, the capacitor C50, the LDO voltage reduction integrated chip U8 and the capacitor C51 are all located above the left side of the capacitor C60, the battery seat J1 is installed at a position near the lower side of the left end of the circuit board, the indicator lamp LED is located above the right side of the battery seat J1, the resistor R29, the charging integrated chip U7, the resistor C48, the resistor R26, the resistor C49 and the resistor R30 are all located at the right side of the indicator LED and the work lamp seat J7 are installed at the work end of the circuit board.
In this embodiment, the ZigBee wireless RF adaptive circuit 3 includes a resistor R1, a resistor R50, a resistor R51, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, an inductor L1, an inductor L2, an on-board antenna E1 and an external antenna socket J3 mounted on the front surface of the circuit board, the inductor L1, the capacitor C5, the capacitor C6, the capacitor C4, the capacitor C3 and the inductor L2 are located above the ZigBee wireless MCU chip, the resistor R1 is located above the capacitor C1, the external antenna socket J3 is located below the charging and working indicator socket, the resistor R50 is located on the right side of the external antenna socket J3, the resistor R51 is located above the resistor R50, and the on-board antenna E1 is located at the upper end of the circuit board.
In this embodiment, the memory 4 includes a resistor R25, a capacitor C17, an SPI RAM integrated chip U2, a resistor R9, a resistor R12, a capacitor C74, and an SPI Flash integrated chip U3 mounted on the front surface of the circuit board, where the capacitor C17 is located on the left side of the ZigBee wireless MCU chip U1, the SPI RAM integrated chip U2 is located on the upper left side of the ZigBee wireless MCU chip U1, the resistor R25, the capacitor C74, and the SPI Flash integrated chip U3 are all located above the SPI RAM integrated chip U2, and the resistor R9 and the resistor R12 are all located on the upper right side of the SPI Flash integrated chip U3.
In this embodiment, the 7.5 inch type II electronic paper screen driving circuit 5 includes resistor R15, resistor R16, resistor R17, resistor R18, resistor R31, resistor R32, resistor R33, resistor R34, resistor R58, resistor R59, capacitor C24, capacitor C25, capacitor C26, capacitor C27, capacitor C28, capacitor C29, capacitor C30, capacitor C31, capacitor C32, capacitor C33, capacitor C34, capacitor C35, capacitor C36, capacitor C37, capacitor C38, capacitor C39, capacitor C40, capacitor C41, capacitor C42, capacitor C43, capacitor C44, capacitor C45, capacitor C46, capacitor C47, diode D1, diode D2, diode D3, diode D4, diode D5, diode D6, inductor L7, MOS transistor Q4, MOS transistor Q5, 7.5 inch type II electronic paper screen socket J4 and 7.5 inch type II electronic paper screen socket J5,7.5 inch type II electronic paper screen socket J4, capacitor C29, capacitor C30, capacitor C31, capacitor C32, capacitor C33, resistor R16, capacitor C34, capacitor C35, resistor R32, resistor R31, capacitor C27, capacitor C28, inductor L6, resistor R15, MOS tube Q4, diode D1, diode D2, diode D3, capacitor C24, capacitor C25, capacitor C26 and resistor R58 are all located on the right side of battery socket J1, 7.5 inch type II electronic paper screen socket J5 is located above indicator LED, capacitor C47, capacitor C46, resistor R18, capacitor C45, capacitor C44, capacitor C43, capacitor C42, capacitor C41, capacitor C38, capacitor C39, capacitor C40, resistor R34, inductor L7 and resistor R33 are all located on the top of 7.5 inch type II electronic paper screen socket J5, diode D4, diode D5, diode D6, capacitor C37, capacitor C36 are all located on the right side of 7.5 inch type II electronic paper screen socket J5, and the right side of 7.5 inch type II electronic paper screen socket J5 is located on the right side of the electronic paper screen socket J5, resistor R59 is located at the upper right side of MOS transistor Q5.
FIG. 4 is a diagram showing the patterns of pads and wires on the front surface of a circuit board in the present embodiment; FIG. 5 is a diagram showing the distribution of components on the opposite side of the circuit board in the present embodiment; fig. 6 is a diagram showing the patterns of pads and wires on the opposite side of the circuit board in this embodiment.
In summary, in this embodiment, by means of converting information such as text, two-dimensional code, bar code, and picture into a function of 7.5 inch type II electronic paper screen display format, and an improved ZigBee wireless air interface data transmission protocol, the comprehensive efficacy of ZigBee wireless networking of the 7.5 inch type II electronic tag is improved. The 7.5 inch II-type electronic tag has the functions of power-on ZigBee wireless automatic networking and plug-and-play. The ZigBee wireless network disconnection automatically searches for matching network access without user intervention. The 7.5 inch type II electronic paper screen driving circuit 5 adopts a generalized design, and can be connected with 7.5 inch type II electronic paper screens of various manufacturers such as tin-free Weifeng, guangzhou Oreg.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (7)

1. The 7.5 inch type II electronic tag is characterized by comprising a 7.5 inch type II electronic tag circuit arranged on a circuit board, wherein the 7.5 inch type II electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 7.5 inch type II electronic paper screen driving circuit, the power management circuit is connected with the wireless MCU circuit and used for completing the functions of voltage reduction, voltage stabilization and charging, the ZigBee wireless RF adaptive circuit is connected with the wireless MCU circuit and used for completing the function of radio frequency impedance matching, the memory is connected with the wireless MCU circuit and used for completing the function of data buffering or storage, the 7.5 inch type II electronic paper screen driving circuit is connected with the wireless MCU circuit, and the 7.5 inch type II electronic tag forms a star-shaped wireless network with an intelligent internet of things through a ZigBee wireless link;
the wireless MCU circuit is used for completing ZigBee air interface protocol conversion, receiving and processing instructions issued by the intelligent Internet of things gateway, transmitting display contents to the 7.5 inch type II electronic paper screen for display according to actual needs, providing the capability of converting texts, two-dimensional codes, bar codes and pictures into a 7.5 inch type II electronic paper screen display format by means of a word stock in a memory, powering on automatically and carrying out ZigBee wireless networking matching with the intelligent Internet of things gateway, and automatically searching the accessible intelligent Internet of things gateway for ZigBee wireless automatic networking matching when ZigBee wireless network disconnection.
2. The type II 7.5 inch electronic tag of claim 1, wherein the wireless MCU circuit comprises a capacitor C1, a capacitor C2, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a crystal oscillator Y1 and a ZigBee wireless MCU chip U1 mounted on the front surface of the circuit board, the ZigBee wireless MCU chip U1 is mounted on the lower end of the circuit board, the capacitor C1, the capacitor C2, the capacitor C14, the capacitor C15, the capacitor C16, the crystal oscillator Y1 and the capacitor C13 are all located on the right side of the ZigBee wireless MCU chip U1, the capacitor C2 is located on the left lower side of the capacitor C1, the capacitor C16 is located on the lower side of the capacitor C2, the capacitor C15 is located on the lower side of the capacitor C16, the capacitor C14 is located on the lower side of the capacitor C14, the capacitor C13 is located on the lower side of the crystal oscillator Y1, the capacitor C12 is located on the lower side of the ZigBee wireless MCU chip U1, and the ZigBee wireless MCU chip is located on the left lower side of the capacitor C1.
3. The 7.5 inch type II electronic tag according to claim 2, wherein the ZigBee wireless MCU chip U1 is a ZigBee wireless MCU special for JN5169 of NXP company.
4. The type II 7.5 electronic tag of claim 3, wherein the power management circuit comprises a battery, a battery holder J1, a wireless power receiving coil socket B1, an indicator light LED, a charging and operating indicator light socket J7, a charging integrated chip U7, an LDO step-down integrated chip U8, a wireless power receiving integrated chip U10, a resistor R26, a resistor R29, a resistor R30, a resistor R54, a resistor R55, a resistor R56, a resistor R57, a capacitor C48, a capacitor C49, a capacitor C50, a capacitor C51, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57, a capacitor C58, a capacitor C59, a capacitor C70, a capacitor C71, a capacitor C75, a capacitor C60, a capacitor C61, a capacitor C62, a capacitor C63, a capacitor C64, a capacitor C65, a capacitor C66, a capacitor C67 and a capacitor C68, wherein the wireless power receiving coil socket B1 is mounted at the right end of the circuit board, the capacitor C53, the capacitor C54, the capacitor C55, the capacitor C56, the capacitor C57, the capacitor C52, the capacitor C71 and the capacitor C75 are all located above the wireless power receiving coil socket B1, the capacitor C63 and the capacitor C64 are all located above the wireless power receiving coil socket B1, the capacitor C60 is located at the left side of the capacitor C64, the resistor R54, the capacitor C55, the capacitor C61, the capacitor C62, the resistor R56, the resistor R57, the capacitor C65, the capacitor C66, the capacitor C67, the capacitor C68, the capacitor C59, the capacitor C7 and the capacitor C58 are all located at the left side of the wireless power receiving coil socket B1, the capacitor C50, the LDO voltage reducing integrated chip U8 and the capacitor C51 are all located above the capacitor C60, the battery holder J1 is mounted at a position where the left end of the circuit board is close to the lower side, the indicator LED is located above the right side of the battery holder J1, and the resistor R29, the capacitor C7, the capacitor C48 and the capacitor C48 are all located at the left side of the wireless power receiving coil socket B1 Resistor R26, capacitor C49 and resistor R30 are all located the right side of pilot lamp LED, charge and work pilot lamp socket J7 installs the upper end of circuit board.
5. The type II 7.5 inch electronic tag of claim 4, wherein the ZigBee wireless RF adapter circuit comprises a resistor R1, a resistor R50, a resistor R51, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, an inductor L1, an inductor L2, an on-board antenna E1, and an external antenna socket J3 mounted on the front surface of the circuit board, the inductor L1, the capacitor C5, the capacitor C6, the capacitor C4, the capacitor C3, and the inductor L2 are located above the ZigBee wireless MCU chip, the resistor R1 is located above the capacitor C1, the external antenna socket J3 is located below the charging and operating indicator socket, the resistor R50 is located on the right side of the external antenna socket J3, the resistor R51 is located above the resistor R50, and the on-board antenna E1 is located at the upper end of the circuit board.
6. The 7.5 inch type II electronic tag according to claim 5, wherein the memory comprises a resistor R25, a capacitor C17, a SPIRAM integrated chip U2, a resistor R9, a resistor R12, a capacitor C74 and a SPIFlash integrated chip U3 mounted on the front surface of the circuit board, the capacitor C17 is located on the left side of the ZigBee wireless MCU chip U1, the SPIRAM integrated chip U2 is located on the upper left side of the ZigBee wireless MCU chip U1, the resistor R25, the capacitor C74 and the SPIFlash integrated chip U3 are all located on the upper right side of the SPIRAM integrated chip U2, and the resistor R9 and the resistor R12 are all located on the upper right side of the SPIFlash integrated chip U3.
7. The type II 7.5 inch electronic tag of claim 6, wherein the type II 7.5 inch electronic paper screen driving circuit comprises resistor R15, resistor R16, resistor R17, resistor R18, resistor R31, resistor R32, resistor R33, resistor R34, resistor R58, resistor R59, capacitor C24, capacitor C25, capacitor C26, capacitor C27, capacitor C28, capacitor C29, capacitor C30, capacitor C31, capacitor C32, capacitor C33, capacitor C34, capacitor C35, capacitor C36, capacitor C37, capacitor C38, capacitor C39, capacitor C40, capacitor C41, capacitor C42, capacitor C43, capacitor C44, capacitor C45, capacitor C46, capacitor C47, diode D1, diode D2, diode D3, diode D4, diode D5, diode D6, inductor L7, MOS transistor Q4, MOS transistor Q5, 7.5J 4 and type 7.5J electronic paper screen socket type 5J socket type electronic paper screen driving circuit, the 7.5 inch type II electronic paper screen socket J4, the capacitor C29, the capacitor C30, the capacitor C31, the capacitor C32, the capacitor C33, the resistor R16, the capacitor C34, the capacitor C35, the resistor R32, the resistor R31, the capacitor C27, the capacitor C28, the inductor L6, the resistor R15, the MOS tube Q4, the diode D1, the diode D2, the diode D3, the capacitor C24, the capacitor C25, the capacitor C26 and the resistor R58 are all positioned on the right side of the battery socket J1, the 7.5 inch type II electronic paper screen socket J5 is positioned above the indicator LED, the capacitor C47, the capacitor C46, the resistor R18, the capacitor C45, the capacitor C44, the capacitor C43, the capacitor C42, the capacitor C41, the capacitor C38, the capacitor C39, the capacitor C40, the resistor R34, the inductor L7 and the resistor R33 are all positioned above the 7.5 inch type II electronic paper screen J5, the diode D4, the diode D5, the diode D6, the capacitor C37 and the capacitor R37 are all positioned on the right side of the socket J5 inch type II electronic paper screen, the MOS tube Q5 is positioned on the right side of the 7.5 inch type II electronic paper screen socket J5, and the resistor R59 is positioned on the upper right side of the MOS tube Q5.
CN201910596021.7A 2019-07-03 2019-07-03 7.5 inch type II electronic tag Active CN110414658B (en)

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Publication number Priority date Publication date Assignee Title
CN103324965A (en) * 2013-06-05 2013-09-25 佛山市广华合志科技有限公司 Electronic goods shelf label based on FPGA
CN206314008U (en) * 2016-07-27 2017-07-07 山东大学 A kind of gateway for merging plurality of wireless networks
CN107038829A (en) * 2016-02-03 2017-08-11 深圳市睿祺智尚科技有限公司 Intelligent door sensor and intelligent safety and defence system based on Internet of Things
CN206712845U (en) * 2017-04-21 2017-12-05 深圳华制智能制造技术有限公司 A kind of things-internet gateway equipment, internet of things equipment group network system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103324965A (en) * 2013-06-05 2013-09-25 佛山市广华合志科技有限公司 Electronic goods shelf label based on FPGA
CN107038829A (en) * 2016-02-03 2017-08-11 深圳市睿祺智尚科技有限公司 Intelligent door sensor and intelligent safety and defence system based on Internet of Things
CN206314008U (en) * 2016-07-27 2017-07-07 山东大学 A kind of gateway for merging plurality of wireless networks
CN206712845U (en) * 2017-04-21 2017-12-05 深圳华制智能制造技术有限公司 A kind of things-internet gateway equipment, internet of things equipment group network system

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