CN110443337B - 2.9 inch electronic label - Google Patents
2.9 inch electronic label Download PDFInfo
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- CN110443337B CN110443337B CN201910596009.6A CN201910596009A CN110443337B CN 110443337 B CN110443337 B CN 110443337B CN 201910596009 A CN201910596009 A CN 201910596009A CN 110443337 B CN110443337 B CN 110443337B
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- 230000006855 networking Effects 0.000 claims abstract description 26
- 230000006870 function Effects 0.000 claims abstract description 13
- 230000003044 adaptive effect Effects 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 205
- 239000013078 crystal Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 9
- 239000004020 conductor Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- G06K19/0772—Physical layout of the record carrier
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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- 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)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Selective Calling Equipment (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a 2.9 inch electronic tag, which comprises a 2.9 inch electronic tag circuit arranged on a circuit board, wherein the 2.9 inch electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 2.9 inch 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 and used for completing a radio frequency impedance matching function, the memory is connected with the wireless MCU circuit, the 2.9 inch electronic paper screen driving circuit is connected with the wireless MCU circuit, and the 2.9 inch 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
Technical Field
The invention relates to the field of electronic tags, in particular to a 2.9 inch electronic tag.
Background
Most 2.9 inch electronic tags in the current market are limited by cost or professional field and other factors, and only have the product functions and the realization of networking control needs, such as: the application of a certain 2.9 inch electronic tag on the market in the super of an intelligent manufacturer only completes the basic functions of updating display content, networking with an access gateway, setting parameters and the like, the focus of circuit design is to meet the use requirement of the 2.9 inch electronic tag in a specific application scene, and the 2.9 inch electronic tag is basically not considered in the aspects of using 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 2.9 inch 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 2.9 inch electronic tag comprises a 2.9 inch electronic tag circuit arranged on a circuit board, wherein the 2.9 inch electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 2.9 inch 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 and voltage stabilization, 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 caching or storage, the 2.9 inch electronic paper screen driving circuit is connected with the wireless MCU circuit, and the 2.9 inch electronic tag is connected with an intelligent Internet of things through a ZigBee wireless link to form a star-shaped wireless network.
In the 2.9 inch electronic tag, 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 2.9 inch electronic paper screen for display according to actual needs, providing the capability of converting texts, two-dimensional codes, bar codes and pictures into a display format of the 2.9 inch electronic paper screen 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 2.9 inch electronic tag, the wireless MCU circuit comprises a capacitor C1, a capacitor C2, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a crystal oscillator Y1 and a ZigBee wireless MCU chip U1 which are arranged on the front surface of a circuit board, wherein the capacitor C8 is arranged above the ZigBee wireless MCU chip U1, the capacitor C9 is arranged above the ZigBee wireless MCU chip U1, the crystal oscillator Y1, the capacitor C2, the capacitor C11 and the capacitor C12 are all arranged on the left side of the ZigBee wireless MCU chip U1, the capacitor C10 is arranged on the left side of the crystal oscillator Y1, the capacitor C11 is arranged below the crystal oscillator Y1, the capacitor C12 is arranged below the capacitor C11, the capacitor C2 is arranged below the capacitor C12, the capacitor C1 is arranged below the capacitor C10, and the capacitor C2, the capacitor C11 and the capacitor C12 are all arranged on the left side of the capacitor C12.
In the 2.9 inch electronic tag, the ZigBee wireless MCU chip U1 adopts a ZigBee wireless MCU special for JN5169 of NXP company.
In the 2.9 inch electronic tag, the power management circuit comprises a battery, a battery seat J4 and a capacitor C7, wherein the battery, the battery seat J4 and the capacitor C7 are arranged on the front surface of a circuit board, the battery seat J4 is arranged at the right end of the circuit board, and the capacitor C7 is positioned at the left side of the battery seat J4.
In the 2.9 inch electronic tag, the ZigBee wireless RF adapter circuit comprises a resistor R1, 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 seat J3 which are arranged on the front surface of a circuit board, wherein the resistor R1 is positioned below the capacitor C2, the inductor L2 is positioned below the ZigBee wireless MCU chip U1, the capacitor C5 is positioned below the inductor L2, the capacitor C3 and the capacitor C4 are positioned on the left side of the capacitor C5, the capacitor C4 is positioned below the capacitor C3, the inductor L1 is positioned below the capacitor C5, the capacitor C6 is positioned on the left side of the inductor L1 and below the capacitor C4, the external antenna seat J3 is positioned on the right side of the inductor L1, and the on-board antenna E1 is positioned below the external antenna seat J3.
In the 2.9 inch electronic tag, the memory comprises a resistor R8, a resistor R9, a capacitor C24, an SPI Flash integrated chip U2, a resistor R11, a resistor R12, a capacitor C25 and an SPI Flash integrated chip U3 which are arranged on the front surface of the circuit board, wherein the resistor R8 is positioned on the left side of the resistor R1, the resistor R9 is positioned on the left side of the capacitor C6, the SPI Flash integrated chip U2 is positioned on the left side of the resistor R9, the resistor C24, the resistor R11 and the resistor R12 are positioned on the left side of the SPI Flash integrated chip U2, the resistor R12 is positioned under the resistor R11, the capacitor C24 is positioned under the resistor R12, and the SPI Flash integrated chip U3 is positioned on the right upper side of the resistor R11.
In the 2.9 inch electronic tag, the 2.9 inch electronic paper screen driving circuit comprises a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R10, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a diode D1, a diode D2, a diode D3, an inductor L3, a MOS (metal oxide semiconductor) transistor Q1 and a 2.9 inch electronic paper screen socket J1 which are arranged on the front surface of a circuit board, wherein the resistor R4 is positioned on the left side of the SPI Flash integrated chip U3, the resistor R6 is positioned above the capacitor C25, the resistor R7 is positioned on the left side of the resistor R6, the diode D3 is positioned above the resistor R7, the diode D2 is positioned above the diode D3, the diode D1 is positioned above the inductor D1, the diode D1 is positioned on the right side of the capacitor C1, the capacitor C3 is positioned on the left side of the capacitor C4 is positioned on the capacitor C20, the capacitor C1 is positioned on the right side of the capacitor C3, the capacitor C4 is positioned on the capacitor C20, the capacitor C4 is positioned on the left side of the capacitor C4 is positioned on the capacitor C16, and the capacitor C20 is positioned on the capacitor C20.
The 2.9 inch electronic tag has the following beneficial effects: the 2.9 inch electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 2.9 inch electronic paper screen driving circuit, wherein the 2.9 inch electronic tag circuit is arranged on a circuit board, and forms a star-shaped wireless network with an 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 realized, 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 2.9 inch electronic tag circuit in one embodiment of a 2.9 inch electronic tag of the present invention;
FIG. 2 is a schematic diagram of a network structure of a 2.9 inch 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 embodiment of the 2.9 inch electronic tag, the 2.9 inch electronic tag comprises a 2.9 inch electronic tag circuit arranged on a circuit board, and the 2.9 inch electronic tag circuit is used as a core of the 2.9 inch electronic tag and adopts a modularized and generalized design principle. The schematic structure of the 2.9 inch electronic tag circuit is shown in figure 1. In fig. 1, the 2.9 inch electronic tag circuit comprises a wireless MCU circuit 1, a power management circuit 2, a ZigBee wireless RF (radio frequency) adaptive circuit 3, a memory 4 and a 2.9 inch electronic paper screen driving circuit 5, wherein the power management circuit 2 is connected with the wireless MCU circuit 1 and used for completing the functions of voltage reduction and voltage stabilization, an LDO voltage reduction integrated chip is selected, and the realization is realized by combining with separated components (resistance, capacitance and the like).
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 integrated chip and combining with separated components (resistor, capacitor and the like).
The 2.9 inch 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 2.9 inch electronic paper screens of various manufacturers such as tin-free Weifeng, guangzhou Organce wings and the like.
The 2.9 inch 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 2.9 inch electronic tag network in this embodiment. The user can operate and control the 2.9 inch 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 2.9 inch 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: DC3V, which can be powered by button cell (CR 2032); 5) And (3) displaying a screen: 2.9 inch electronic paper screen (black and white), the display content can be kept and not lost under the condition of no 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 2.9 inch 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 a 2.9 inch 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 2.9 inch 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 the circuit board in this embodiment, in fig. 3, the wireless MCU circuit 1 includes a capacitor C1, a capacitor C2, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a crystal oscillator Y1 and a ZigBee wireless MCU chip U1 mounted on the front side of the circuit board, the capacitor C8 is located above the ZigBee wireless MCU chip U1, the capacitor C9 is located above the ZigBee wireless MCU chip U1, the crystal oscillator Y1, the capacitor C2, the capacitor C11 and the capacitor C12 are all located at the left side of the ZigBee wireless MCU chip U1, the capacitor C10 is located at the left side of the crystal oscillator Y1, the capacitor C11 is located below the crystal oscillator Y1, the capacitor C12 is located below the capacitor C11, the capacitor C1 is located below the capacitor C10, and is located at the left side of the capacitor C2, the capacitor C11 and the capacitor C12.
The ZigBee wireless MCU chip U1 is a wireless MCU processor and adopts a ZigBee wireless MCU special for JN5169 of NXP company.
In this embodiment, the power management circuit 2 includes a battery mounted on the front side of the circuit board, a battery holder J4, and a capacitor C7, where the battery holder J4 is mounted on the right end of the circuit board and the capacitor C7 is located on the left side of the battery holder J4.
In this embodiment, the ZigBee wireless RF adaptive circuit 3 includes a resistor R1, 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 base J3 mounted on the front surface of the circuit board, the resistor R1 is located below the capacitor C2, the inductor L2 is located below the ZigBee wireless MCU chip U1, the capacitor C5 is located below the inductor L2, the capacitor C3 and the capacitor C4 are located on the left side of the capacitor C5, the capacitor C4 is located below the capacitor C3, the inductor L1 is located below the capacitor C5, the capacitor C6 is located on the left side of the inductor L1 and below the capacitor C4, the external antenna base J3 is located on the right side of the inductor L1, and the on-board antenna E1 is located below the external antenna base J3.
In this embodiment, the memory 4 includes a resistor R8, a resistor R9, a capacitor C24, an SPI Flash integrated chip U2, a resistor R11, a resistor R12, a capacitor C25, and an SPI Flash integrated chip U3 mounted on the front surface of the circuit board, the resistor R8 is located on the left side of the resistor R1, the resistor R9 is located on the left side of the capacitor C6, the SPI Flash integrated chip U2 is located on the left side of the resistor R9, the resistor C24, the resistor R11, and the resistor R12 are all located on the left side of the SPI Flash integrated chip U2, the resistor R12 is located below the resistor R11, the capacitor C24 is located below the resistor R12, and the SPI Flash integrated chip U3 is located on the upper right side of the resistor R11.
In this embodiment, the 2.9 inch electronic paper screen driving circuit 5 includes a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R10, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a diode D1, a diode D2, a diode D3, a inductor L3, a MOS transistor Q1 and a 2.9 inch electronic paper screen socket J1, a resistor R4 is located on the left side of the SPI Flash integrated chip U3, a resistor R6 is located above the capacitor C25, a resistor R7 is located on the left side of the resistor R6, a diode D3 is located above the resistor R7, a diode D2 is located above the diode D3, a capacitor C22 is located on the right side of the inductor L3, a capacitor C20 is located below the inductor L3, a capacitor C20 is located on the left side of the capacitor C20, a capacitor C20 is located on the capacitor C16, a capacitor C16 is located on the left side of the capacitor C1, a capacitor C16 is located on the capacitor C4, a resistor R4 is located on the left side of the capacitor C16, and a resistor R4 is located on the resistor R4, and a resistor R4 is located on the resistor R16.
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 2.9 inch electronic paper screen display format, and improved ZigBee wireless air interface data transmission protocol, the comprehensive efficacy of ZigBee wireless networking of the 2.9 inch electronic tag is improved. The 2.9 inch 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 2.9 inch electronic paper screen driving circuit 5 adopts a generalized design, and can be connected with 2.9 inch 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 (2)
1. The 2.9 inch electronic tag is characterized by comprising a 2.9 inch electronic tag circuit arranged on a circuit board, wherein the 2.9 inch electronic tag circuit comprises a wireless MCU circuit, a power management circuit, a ZigBee wireless RF (radio frequency) adaptive circuit, a memory and a 2.9 inch 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 and voltage stabilization, 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 caching or storage, the 2.9 inch electronic paper screen driving circuit is connected with the wireless MCU circuit, and the 2.9 inch 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 2.9 inch electronic paper screen for display according to actual needs, providing the capability of converting texts, two-dimensional codes, bar codes and pictures into a 2.9 inch electronic paper screen display format by means of a word stock in a memory, powering on to automatically perform ZigBee wireless networking matching with the intelligent Internet of things gateway, and automatically searching for the intelligent Internet of things gateway capable of being accessed to perform ZigBee wireless automatic networking matching when ZigBee wireless Internet of things is disconnected;
the wireless MCU circuit comprises a capacitor C1, a capacitor C2, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a crystal oscillator Y1 and a ZigBee wireless MCU chip U1 which are arranged on the front surface of a circuit board, wherein the capacitor C8 is arranged above the ZigBee wireless MCU chip U1, the capacitor C9 is arranged above the left of the ZigBee wireless MCU chip U1, the crystal oscillator Y1, the capacitor C2, the capacitor C11 and the capacitor C12 are all arranged on the left side of the ZigBee wireless MCU chip U1, the capacitor C10 is arranged on the left side of the crystal oscillator Y1, the capacitor C11 is arranged below the crystal oscillator Y1, the capacitor C12 is arranged below the capacitor C11, the capacitor C2 is arranged below the capacitor C12, the capacitor C1 is arranged below the capacitor C10, and the capacitors C2, C11 and C12 are all arranged on the left side of the capacitor C12;
the power management circuit comprises a battery, a battery seat J4 and a capacitor C7, wherein the battery is arranged on the front side of the circuit board, the battery seat J4 is arranged at the right end of the circuit board, and the capacitor C7 is positioned at the left side of the battery seat J4;
the ZigBee wireless RF adaptive circuit comprises a resistor R1, 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 seat J3 which are arranged on the front surface of a circuit board, wherein the resistor R1 is positioned below the capacitor C2, the inductor L2 is positioned below the ZigBee wireless MCU chip U1, the capacitor C5 is positioned below the inductor L2, the capacitor C3 and the capacitor C4 are positioned on the left side of the capacitor C5, the capacitor C4 is positioned below the capacitor C3, the inductor L1 is positioned below the capacitor C5, the capacitor C6 is positioned on the left side of the inductor L1 and is positioned below the capacitor C4, the external antenna seat J3 is positioned on the right side of the inductor L1, and the on-board antenna E1 is positioned on the right lower side of the external antenna seat J3;
the memory comprises a resistor R8, a resistor R9, a capacitor C24, a SPIFASH integrated chip U2, a resistor R11, a resistor R12, a capacitor C25 and a SPIFASH integrated chip U3 which are arranged on the front surface of a circuit board, wherein the resistor R8 is positioned on the left side of the resistor R1, the resistor R9 is positioned on the left side of the capacitor C6, the SPIFASH integrated chip U2 is positioned on the left side of the resistor R9, the capacitor C24, the resistor R11 and the resistor R12 are all positioned on the left side of the SPIFASH integrated chip U2, the resistor R12 is positioned below the resistor R11, the capacitor C24 is positioned below the resistor R12, and the SPIFASH integrated chip U3 is positioned on the right upper side of the resistor R11;
the 2.9 inch electronic paper screen driving circuit comprises a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R10, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a diode D1, a diode D2, a diode D3, an inductor L3, a MOS (metal oxide semiconductor) transistor Q1 and a 2.9 inch electronic paper screen socket J1, wherein the resistor R4 is positioned on the left side of the SPIFAsh integrated chip U3, the resistor R6 is positioned above the capacitor C25, the resistor R7 is positioned on the left side of the resistor R6, the diode D3 is positioned above the resistor R7, the diode D2 is positioned above the diode D3, the diode D2 is positioned above the diode D2, the inductor L3 is positioned on the right side of the capacitor L3, the capacitor C23 is positioned on the left side of the capacitor C3, the capacitor C4 is positioned on the left side of the capacitor C4, the capacitor C20, the capacitor C16 is positioned on the capacitor C4 is positioned on the right side of the capacitor C3, the capacitor C16 is positioned on the capacitor C4 is positioned on the capacitor C20, and the capacitor C16 is positioned on the capacitor C16;
the 2.9 inch 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: DC3V, which is powered by button cells; 5) And (3) displaying a screen: 2.9 inch electronic paper screen, black and white, under the condition of no power supply, display content can be kept and not lost; 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.
2. The 2.9 inch electronic tag according to claim 1, wherein the ZigBee wireless MCU chip U1 is a JN5169 dedicated ZigBee wireless MCU from NXP corporation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910596009.6A CN110443337B (en) | 2019-07-03 | 2019-07-03 | 2.9 inch electronic label |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910596009.6A CN110443337B (en) | 2019-07-03 | 2019-07-03 | 2.9 inch electronic label |
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| CN110443337B true CN110443337B (en) | 2024-01-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9578541B2 (en) * | 2015-04-06 | 2017-02-21 | At&T Intellectual Property I, L.P. | Proximity based sub-pooling of network devices in mobile wireless networks |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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