CN106156825A - Low-power consumption based on ink screen visualization RFID information terminal - Google Patents
Low-power consumption based on ink screen visualization RFID information terminal Download PDFInfo
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- CN106156825A CN106156825A CN201610696417.5A CN201610696417A CN106156825A CN 106156825 A CN106156825 A CN 106156825A CN 201610696417 A CN201610696417 A CN 201610696417A CN 106156825 A CN106156825 A CN 106156825A
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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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
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- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a kind of low-power consumption based on ink screen visualization RFID information terminal, including controller, radio-frequency module, Eink electronic ink screen, key-press module, power management module, temperature sensor, SD card and SRAM SRAM, controller is connected with radio-frequency module, Eink electronic ink screen, key-press module, power management module, temperature sensor, SD card and SRAM SRAM respectively.The present invention proposes with high performance STM32 as core controller, use CC2520+CC2591 as radio frequency chip, Eink electronic ink screen is as display screen, devise a low-power consumption visual RFID information terminal, can show that material information, interactivity is good, easy to use, meets the urgent needs of modern production control development.
Description
Background technology
The invention belongs to RFID communication technical field, particularly to a kind of low-power consumption based on ink screen visualization RFID letter
Breath terminal.
Background technology
RF identification, RFID (Radio Frequency Identification) technology, also known as radio frequency identification, be
A kind of communication technology, can pass through radio signals identification specific objective and read and write related data, and without identifying that system is with specific
Machinery or optical contact is set up between target.RFID technique is widely used in library, gate control system at present, and food safety is traced to the source
In field.
The most important advantage of radio-frequency recognition system is contactless identification, and it can penetrate snow, mist, ice, coating, dust and dirt and bar shaped
The adverse circumstances label reading that cannot use of code, and reading speed is exceedingly fast, in most cases less than 100 milliseconds.Active
The literary sketch ability of radio-frequency recognition system is also important advantage, can be used for the interactive service such as flow tracking and maintenance tracking.
The essence of logistics management is by the management to logistics overall process, it is achieved reduces cost and improves service level two
Purpose.Such as the most correct cost and correct condition, go to ensure that correct client, in correct time and correct place, obtains
To correct product, become the highest goal that loglstics enterprise is pursued.In general, the value of enterprise's stock enterprise assets to be accounted for are total
About the 25% of volume, accounts for more than the 50% of current assets of enterprises.So the core of logistics management work is deposited in supply chain exactly
The management of goods.REID is used, it is only necessary to the installation electronic tag in the outer package of goods in terms of transportation management,
Reader is set in transport inspection post or terminal, it is possible to realize the visualized management of assets.Meanwhile, the owner of cargo can root
According to authority, accessing at way visualization webpage, understand the particular location of goods, the service level improving loglstics enterprise is had emphatically by this
Want meaning.
The product derived in RFID technique probably has a three major types: passive RFID product, active RFID product, semi-active
RFID product.Passive RFID production development the earliest, is also to develop the most ripe, that market is most widely used product.Such as, mass transit card,
Dining room meal card, bank card, hotel access card, China second-generation identity card etc., this is seen everywhere in our daily life, belongs near
Distance contact identification class.The groundwork frequency of its product has low frequency 125KHZ, high frequency 13.56MHZ, hyperfrequency 433MHZ,
Hyperfrequency 915MHZ.Active RFID product, is slowly to grow up recent years, the characteristic of its far distance automatic identification, certainly
Its huge application space and market potential quality are determined.In far distance automatic identification field, such as intelligence prison, intelligent hospital, intelligence
Parking lot, intelligent transportation, smart city, there is major application in the field such as the wisdom earth and Internet of Things.Active RFID is in this field
It is a dark horse, belongs to far distance automatic identification class.Product groundwork frequency have hyperfrequency 433MHZ, microwave 2.45GHZ and
5.8GHZ.Semi-active RFID product between active RFID and passive RFID, this product collection active RFID and passive RFID
Advantage in one, be applied to gate inhibition and pass in and out management, personnel are accurately positioned, zone location manage, circumference manage, fence and
The fields such as security alarm.
The advantage highlighted on room manages along with reduction and the RFID of RFID cost is day by day obvious, and many industries are all
Use REID.Label is attached to an automobile the most aborning, and manufacturer just can follow the trail of this car and produce
Progress on line.The place of medicine can be followed the trail of in warehouse.Radio-frequency (RF) tag can also invest on domestic animal and house pet, convenient to domestic animal with
The actively identification (actively identifying that the meaning is to prevent several domestic animals from using same identity) of house pet.The identification card of RF identification
Employee can be made to get enter into the building part of pinning, and the radio frequency transponder on automobile may also be used for imposing charging section and stopping
The expense in parking lot.
But, in the management system such as modern material equipment, common active label generally exists that termination capacity is not enough, Bu Nengcha
See the problems in the urgent need to address such as goods and materials content, battery be non-rechargeable.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of with high performance STM32 for core control
Device, uses CC2520+CC2591 as radio frequency chip, and Eink electronic ink screen is as display screen, it is possible to demonstrate material information,
Interactivity is good, low-power consumption based on ink screen visualization RFID information terminal easy to use.
It is an object of the invention to be achieved through the following technical solutions: low-power consumption based on ink screen visualization RFID letter
Breath terminal, including controller, radio-frequency module, Eink electronic ink screen, key-press module, power management module, temperature sensor, SD
Card and SRAM SRAM, controller respectively with radio-frequency module, Eink electronic ink screen, key-press module, power management
Module, temperature sensor, SD card are connected with SRAM SRAM.
Further, described power management module includes battery and voltage transformation module, voltage transformation module respectively with electricity
Chi He city is electrically connected, and battery is connected with controller, radio-frequency module, EINK electronic ink screen respectively.
Further, described controller uses STM32F103ZD.
Further, described radio-frequency module uses the CC2520+CC2591 radio circuit of technology maturation, and radio-frequency module uses
Texas Instrument (TI) up-to-date radio frequency chip 2520, is operated in the free frequency range of 24GHz, uses CC2591 to amplify as front-end power,
Transmission range is up to 700 meters, and outdoor transmissions distance reaches 1.5 kilometers, can pass through SPI interface and 8,16 or 32 single-chip microcomputer phases
Even.
CC2520+CC2591 module characteristic:
Working frequency range scope: 2.4000～2.4835GHz；
Data rate is up to 250kbps
Output PLC technology (-24dBm～22dBm)；
High receiving sensitivity (-90dBm)；
Power consumption: Rx:28.5mA；Tx:143.6mA@27dBm, 137.8mA@22dBm；
Supporting exploitation and demonstration external member can be provided.
Further, national military standard GJB7377.2-2011 agreement is followed in the communication between described radio-frequency module and controller.
Further, described voltage transformation module includes filter rectifier, switched oscillation circuit, high-frequency pulsed width modulation electricity
Volt circuit, lower pressure rectifier filter circuit, sample circuit, concussion and control circuit for pulse-width modulation, mu balanced circuit and output circuit；
The input of filter rectifier electrically connects with city, and the output of filter rectifier is connected with switched oscillation circuit, switch oscillating electricity
The output on road is connected with lower pressure rectifier filter circuit by high-frequency pulsed width modulation potential circuit, the output of lower pressure rectifier filter circuit
Being connected with sample circuit, mu balanced circuit respectively, mu balanced circuit output is connected with output circuit, and output circuit is connected with battery；Take
The output of sample circuit and concussion and being connected of control circuit for pulse-width modulation, shake the output with control circuit for pulse-width modulation and switch
Oscillating circuit connects.
The invention has the beneficial effects as follows:
1, the present invention proposes with high performance STM32 as core controller, uses CC2520+CC2591 as radio frequency core
Sheet, Eink electronic ink screen, as display screen, devises a low-power consumption visual RFID information terminal, it is possible to demonstrate thing
Standing ceases, and interactivity is good, easy to use, meets the urgent needs of modern production control development；
2, use power-off that the Eink electronic ink screen of data can be kept to use electrophoresis as display screen, electronic ink screen display
Technology, electrophoretic techniques has bistability, after power supply is closed, still can be retained by image over the display several days or several
Individual month；And visual perception is almost the most the same with paper, can constantly change brush again as our common LCDs
Newly show content, the power consumption of terminal can be reduced, Consumer's Experience can be improved again；
3, the present invention can by access SD card termination capacity is expanded, by power management module, terminal is entered
Row charging, extends the service life of RFID information terminal.
Accompanying drawing explanation
Fig. 1 is the RFID information terminal structure schematic diagram of the present invention；
Fig. 2 is the voltage transformation module circuit module figure of the present invention.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of low-power consumption based on ink screen visualization RFID information terminal, including controller, radio frequency mould
Block, Eink electronic ink screen, key-press module, power management module, temperature sensor, SD card and SRAM SRAM,
Controller respectively with radio-frequency module, Eink electronic ink screen, key-press module, power management module, temperature sensor, SD card and quiet
State random access memory SRAM is connected.
The present invention uses power-off that the Eink electronic ink screen of data can be kept as display screen；Eink electronic ink screen, i.e.
Electronic ink screen, is a kind of electronic display being similar to paper, super low-power consumption；The advantage having paper concurrently, such as visual perception almost
The most the same with paper, can constantly change as our common LCDs again and refresh display content.Electronic ink screen
Display uses electrophoretic techniques, and electrophoretic techniques has bistability, after power supply is closed, and still can be over the display by image
Retain several days or some months.
Further, described power management module includes battery and voltage transformation module, voltage transformation module respectively with electricity
Chi He city is electrically connected, line voltage is converted into RFID information end cell can input voltage, for battery charge, battery divides
It is not connected with controller, radio-frequency module, EINK electronic ink screen, for other module for power supply.
Further, described controller uses STM32F103ZD, STM32F103ZD to use Cortex-M3 kernel, dominant frequency
Up to 72MHz, and there is the advantage such as low-power consumption, high-performance.
Further, described radio-frequency module uses the CC2520+CC2591 radio circuit of technology maturation, and radio-frequency module uses
Texas Instrument (TI) up-to-date radio frequency chip 2520, is operated in the free frequency range of 24GHz, uses CC2591 to amplify as front-end power,
Transmission range is up to 700 meters, and outdoor transmissions distance reaches 1.5 kilometers, can pass through SPI interface and 8,16 or 32 single-chip microcomputer phases
Even.
CC2520+CC2591 module characteristic:
Working frequency range scope: 2.4000～2.4835GHz；
Data rate is up to 250kbps
Output PLC technology (-24dBm～22dBm)；
High receiving sensitivity (-90dBm)；
Power consumption: Rx:28.5mA；Tx:143.6mA@27dBm, 137.8mA@22dBm；
Supporting exploitation and demonstration external member can be provided.
Further, national military standard GJB7377.2-2011 agreement is followed in the communication between described radio-frequency module and controller.
As in figure 2 it is shown, the voltage transformation module of the present invention includes filter rectifier, switched oscillation circuit, high frequency pulsewidth
Modulation voltage circuit, lower pressure rectifier filter circuit, sample circuit, concussion and control circuit for pulse-width modulation, mu balanced circuit and defeated
Go out circuit；The input of filter rectifier electrically connects with city, and the output of filter rectifier is connected with switched oscillation circuit, switch
The output of oscillating circuit is connected with lower pressure rectifier filter circuit by high-frequency pulsed width modulation potential circuit, lower pressure rectifier filter circuit
Output be connected with sample circuit, mu balanced circuit respectively, mu balanced circuit output be connected with output circuit, output circuit and battery phase
Even；The output of sample circuit and concussion and being connected of control circuit for pulse-width modulation, shake the output with control circuit for pulse-width modulation
It is connected with switched oscillation circuit.
Those of ordinary skill in the art it will be appreciated that embodiment described here be to aid in reader understanding this
Bright principle, it should be understood that protection scope of the present invention is not limited to such special statement and embodiment.This area
It is each that those of ordinary skill can make various other without departing from essence of the present invention according to these technology disclosed by the invention enlightenment
Planting concrete deformation and combination, these deform and combine the most within the scope of the present invention.
Claims (6)
1. low-power consumption based on ink screen visualization RFID information terminal, it is characterised in that include controller, radio-frequency module,
Eink electronic ink screen, key-press module, power management module, temperature sensor, SD card and SRAM SRAM, control
Device respectively with radio-frequency module, Eink electronic ink screen, key-press module, power management module, temperature sensor, SD card and static state with
Machine memorizer SRAM is connected.
Low-power consumption based on ink screen the most according to claim 1 visualization RFID information terminal, it is characterised in that described
Power management module includes battery and voltage transformation module, and voltage transformation module is electrically connected with battery and city respectively, and battery is respectively
It is connected with controller, radio-frequency module, EINK electronic ink screen.
Low-power consumption based on ink screen the most according to claim 1 visualization RFID information terminal, it is characterised in that described
Controller uses STM32F103ZD.
Low-power consumption based on ink screen the most according to claim 1 visualization RFID information terminal, it is characterised in that described
Radio-frequency module uses CC2520+CC2591.
Low-power consumption based on ink screen the most according to claim 1 visualization RFID information terminal, it is characterised in that described
National military standard GJB7377.2-2011 agreement is followed in communication between radio-frequency module and controller.
Low-power consumption based on ink screen the most according to claim 1 visualization RFID information terminal, it is characterised in that described
Voltage transformation module includes filter rectifier, switched oscillation circuit, high-frequency pulsed width modulation potential circuit, lower pressure rectifier filtered electrical
Road, sample circuit, concussion and control circuit for pulse-width modulation, mu balanced circuit and output circuit；The input of filter rectifier with
City electrically connects, and the output of filter rectifier is connected with switched oscillation circuit, and the output of switched oscillation circuit is by high frequency pulsewidth
Modulation voltage circuit is connected with lower pressure rectifier filter circuit, the output of lower pressure rectifier filter circuit respectively with sample circuit, voltage stabilizing
Circuit is connected, and mu balanced circuit output is connected with output circuit, and output circuit is connected with battery；The output of sample circuit with concussion and
Being connected of control circuit for pulse-width modulation, the output of concussion and control circuit for pulse-width modulation is connected with switched oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696417.5A CN106156825A (en) | 2016-08-19 | 2016-08-19 | Low-power consumption based on ink screen visualization RFID information terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610696417.5A CN106156825A (en) | 2016-08-19 | 2016-08-19 | Low-power consumption based on ink screen visualization RFID information terminal |
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| CN201610696417.5A Pending CN106156825A (en) | 2016-08-19 | 2016-08-19 | Low-power consumption based on ink screen visualization RFID information terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103740A (en) * | 2017-05-19 | 2017-08-29 | 重庆声光电智联电子有限公司 | A kind of wireless humiture monitoring terminal of having electronic ink screen |
| CN107146525A (en) * | 2017-05-19 | 2017-09-08 | 凡方数码设备有限公司 | Display device and its communication means, the device with memory function |
| CN113276676A (en) * | 2021-06-29 | 2021-08-20 | 东风汽车集团股份有限公司 | Automobile wading warning signal remaining display device and method |
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Application publication date: 20161123 |