CN107071706A - A kind of Internet control system transmitted based on ZigBee - Google Patents
A kind of Internet control system transmitted based on ZigBee Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- 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]
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- 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
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Abstract
The present invention relates to Internet control system, and in particular to a kind of Internet control system transmitted based on ZigBee, including radio system, software section, fingerprint recognition part and routing circuit；The main radio-frequency module of the present invention receives the electronic tag id information recognized from radio-frequency module to realize dual-channel transmission by SPI, with more preferable data accuracy and reliability；ZigBee terminal nodes：By principal and subordinate's radio-frequency module to electronic label identification to data message be wirelessly sent to ZigBee coordinator nodes, the ZigBee terminal nodes control instructions that are transmitted according to telegon controls principal and subordinate's radio-frequency module simultaneously, so as to realize to the corresponding processing of electronic tag；Fingerprint recognition is acquired to information, and DSP is compared and authentication after obtaining finger print information, and authentication information is transmitted into authentication information wireless transport module finally by serial ports, fingerprint locking, and intelligentized control method can be achieved, with very strong creativeness.
Description
Technical field
The present invention relates to Internet control system, and in particular to a kind of Internet control system transmitted based on ZigBee.
Background technology
ZigBee is the low-power consumption LAN protocol based on IEEE802.15.4 standards.Provided according to international standard,
ZigBee technology is the wireless communication technology of a kind of short distance, low-power consumption.This title (also known as ZigBee protocol) derives from honeybee
Eight words dance, due to honeybee (bee) be by circle in the air and " drone " (zig) shake wing " dancing " come and companion transmission pollen
Place azimuth information, that is to say, that honeybee constitutes the communication network in colony by such mode.Be characterized in closely,
Low complex degree, self-organizing, low-power consumption, low data rate.It is mainly suitable for being used to automatically control and remote control field, can be embedded in
Various equipment.In brief, ZigBee is exactly a kind of cheap, the near radio networking mechanics of communication of low-power consumption.ZigBee
It is a kind of wireless network protocol of low speed short-distance transmission.Zigbee protocol is respectively physical layer (PHY), media visit from top to bottom
Ask key-course (MAC), transport layer (TL), Internet (NWK), application layer (APL) etc..Wherein physical layer and MAC layer
Follow the regulation of IEEE802.15.4 standards.Internet standard tissue IETF (or the thing it also seen that wireless sensor network
Networking) wide application prospect, be also added to during corresponding standardization formulates.Many standardization bodies and researcher thought in the past
IP technologies are excessively complicated, are not suitable for low-power consumption, resource-constrained wireless sensor network, therefore are all to use non-IP technologies.
In practical application, complicated ALG is needed when needing to access internet such as ZigBee, can not realize and count end to end
According to transmission and control.At the same time, the standard similar with ZigBee also has z-wave, ANT, Enocean etc., not simultaneous each other
Hold, be unfavorable for the development of industrialization.IETF and many researchers are found that these problems of presence, especially Cisco engineering
Teacher IPv6 agreements of lightweight based on the uIP protocol realizations increased income, it was demonstrated that IPv6 not only may operate in low-power consumption resource
In limited equipment, moreover, it is more simpler than ZigBee, everybody prejudice is revolutionized, afterwards the wireless biography based on IPv6
Sensor network technology is developed rapidly.IETF has been completed the standard criterion of core, including IPv6 data messages and frame
Head compression specification 6Lowpan, towards low-power consumption, low rate, the Wireless Network Routing Protocol RPL of link dynamic change and face
To the application layer standard CoAP of application of higher wireless sensor network, related standard criterion is issued.In Patent No.
In CN201610055663 patent document, a kind of linking Internet control method and device are disclosed.Methods described include with
Lower step：A, obtain the user equipment the first communicating number first network access attribute information and the second communicating number
Second network access attribute information；B, according to the first network access attribute information and the second network access attribute information
One of first network data channel, second network data channels are selected, and generate selection result；C, the control user set
It is standby to pass through access one of corresponding with the selection result in the first network data channel, second network data channels
The internet.The present invention can optimize the use of mobile network's flow.
Above-mentioned patent document can optimize the use of mobile network's flow, it is to avoid because mobile network's flow is led using unreasonable
Family of applying is deducted fees.It is controlled for specific access, for how to provide a kind of simple operation, system architecture letter
Single, fingerprint recognition, realize intellectual remote controlling lacks technical solution based on the ZigBee Internet control systems transmitted
Scheme.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of Internet control system transmitted based on ZigBee, use
In solving how to provide a kind of simple operation, system architecture is simple, fingerprint recognition, realize intellectual remote controlling based on
The problem of Internet control system of ZigBee transmission.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：
A kind of Internet control system transmitted based on ZigBee, including computer, it is characterised in that：Including radio frequency system
System, software section, fingerprint recognition part and routing circuit, the radio system include active electronic label, with nRF24LE1 cores
Piece is principal and subordinate's radio-frequency module, ZigBee terminal nodes, ZigBee coordinator nodes and the PC host computers of microprocessor, and the master penetrates
Frequency module receives the electronic tag id information recognized from radio-frequency module to realize dual-channel transmission by SPI, with more preferable
Data accuracy and reliability；ZigBee terminal nodes：By principal and subordinate's radio-frequency module to electronic label identification to data message lead to
Cross and be wirelessly transmitted to ZigBee coordinator nodes, while the control that ZigBee terminal nodes are transmitted according to telegon refers to
Make controlling principal and subordinate's radio-frequency module, so as to realize to the corresponding processing of electronic tag；Coordinator node：By ZigBee terminal nodes
The electronic tag data information sended over is transmitted to host computer by serial ports RS232, and the control instruction of host computer is transmitted to
ZigBee terminal nodes；PC host computers：There is corresponding application software, processing comes from the label information of ZigBee coordinator nodes
And control information is sent to ZigBee coordinator nodes, the fingerprint recognition is acquired to information, DSP obtains finger print information
After be compared and authentication, authentication information is transmitted to authentication information wireless transport module finally by serial ports,
C5507 has the reading of finger print information and the configuration operation of status register to AES2510, C5507 A0 pins and AES2510's
A0 pins are connected, and when A0 is 0, C5507 reads the finger print information of AES2510 scannings by bus, and when A0 is 1, C5507 passes through
Bus is read out and configured to AES2510 status register.
It is preferred that, the radio system includes principal and subordinate's radio frequency module circuit, and principal and subordinate's radio frequency module circuit passes through serial
The control instruction that the host computer that mouth reception ZigBee terminal nodes are transmitted from ZigBee coordinator nodes is sent, so as to control
Radio frequency chip enters row data communication with electronic tag, completes the read-write to electronic tag, and radio frequency chip is responsible for the volume of wireless signal
Code and decoding, modulation and demodulation；Electronic tag is systematic difference terminal, loads data message and label itself letter of object
Breath, the wireless pulses sent from reading and writing device antenna receive the control information that read write line is sent, then the data of electronic tag
Information is returned again to read write line by antenna, completes read-write of the read write line to electronic tag data.
It is preferred that, the radio system includes ZigBee terminal node circuits, and the ZigBee terminal nodes circuit is main
Control electronic tag carries out data exchange with principal and subordinate's radio-frequency module and enters row data communication with ZigBee coordinator nodes, the end
End segment dot circuit uses 32MHz crystal oscillator as clock signal, is connected with principal and subordinate's radio-frequency module by serial ports and realizes data communication,
ZigBee terminal nodes use CC2530 chips.
It is preferred that, the radio system includes ZigBee coordinator node circuits, the ZigBee coordinator nodes circuit
The data for being responsible for sending over ZigBee terminal nodes realize data communication by RS232 Serial Port Lines and host computer, simultaneously will
Receive control instruction that host computer transmits and be sent to ZigBee terminal nodes.
It is preferred that, the ZigBee terminal nodes circuit also has software section, is to connect in terminal acquisition node major function
By after the data acquisition instructions of host computer, electronic tag data information is gathered, and the data message collected is sent to
Coordinator node, first ZigBee terminal nodes power-up initializing, application add the ZigBee-network set up, if adding network
Success, is resting state into low-power consumption mode, to reduce terminal node power consumption, waits Interruption to produce, ZigBee terminals
Node microprocessor controls principal and subordinate's radio-frequency module reading electronic labels information, and the label data information recognized is passed through
ZigBee wireless modules are transferred to ZigBee coordinator nodes, and being then transferred to host computer by serial ports RS232 again is handled.
It is preferred that, the ZigBee coordinator nodes circuit also has software section, is assisted using the Z-STACK of ZigBee-network
Discuss stack and carry out radio communication, Z-STACK agreements are realized based on rotation query formulation operating system, in coordinator node after electricity, just
Beginningization hardware and protocol stack, search channel and clear channel assessment (CCA), select channel and set up ZigBee-network, if node application adds
Enter network, allowance adds and distributes the network short address of one l6, the data acquisition instructions for waiting host computer to send over, so
Electronic tag is identified RFID reader afterwards, and all packets of reception are sent into PC host computers by serial communication,
To carry out data processing.
It is preferred that, the routing circuit supports IPMasquerade technologies to realize that NAT is changed using linux kernel, realizes
Multiple host share and access internet, IPMasquerade operation principles：Client computer will realize IPMasquerade Linux machines
Device is set to default gateway, and when IPMasquerade Linux machines receive the packet of client computer, it is rewritten,
Source address is replaced with to the IP address of oneself, source port number is changed into a new port numbers, and the process is recorded；
When receiving response data packet, the packet is changed again if the exactly previous specified port numbers of its port numbers
Write, its purpose IP address and destination slogan are replaced with into the Client IP address recorded originally and port numbers, then retransmited
To client computer.
(3) beneficial effect
The electronic tag id information that the main radio-frequency module of the present invention receives to recognize from radio-frequency module by SPI is double to realize
Channel transfer, with more preferable data accuracy and reliability；ZigBee terminal nodes：By principal and subordinate's radio-frequency module to electronic tag
The data message recognized is wirelessly sent to ZigBee coordinator nodes, while ZigBee terminal nodes are according to coordination
The control instruction that device is transmitted controls principal and subordinate's radio-frequency module, so as to realize to the corresponding processing of electronic tag；Telegon section
Point：The electronic tag data information that ZigBee terminal nodes are sended over is transmitted to host computer by serial ports RS232, host computer
Control instruction be transmitted to ZigBee terminal nodes；PC host computers：There is corresponding application software, processing comes from ZigBee coordinations
The label information of device node and control information is sent to ZigBee coordinator nodes, fingerprint recognition is acquired to information, DSP
Obtain finger print information after be compared and authentication, finally by serial ports by authentication information be transmitted to authentication information without
Line transport module, can be achieved fingerprint locking, and intelligentized control method, with very strong creativeness.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the block diagram of the radio system of the present invention；
Fig. 2 is the ZigBee terminal node circuit theory diagrams of the present invention；
Fig. 3 is the ZigBee coordinator node circuit theory diagrams of the present invention；
Fig. 4 is the ZigBee terminal node software flow patterns of the present invention；
Fig. 5 is the ZigBee coordinator node software flow patterns of the present invention；
Fig. 6 is the fingerprint recognition system block diagram of the present invention；
Fig. 7 is the router circuit schematic diagram of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
A kind of Internet control system transmitted based on ZigBee as shown in figs. 1-7, including computer, including radio frequency system
System, software section, fingerprint recognition part and routing circuit, radio system include active electronic label, using nRF24LE1 chips as
Principal and subordinate's radio-frequency module, ZigBee terminal nodes, ZigBee coordinator nodes and the PC host computers of microprocessor, main radio-frequency module lead to
Cross SPI and receive the electronic tag id information recognized from radio-frequency module to realize dual-channel transmission, it is accurate with more preferable data
Property and reliability；ZigBee terminal nodes：Principal and subordinate's radio-frequency module is passed through into wireless parties to the data message that electronic label identification is arrived
Formula is sent to ZigBee coordinator nodes, while the ZigBee terminal nodes control instructions that are transmitted according to telegon is controlled
Principal and subordinate's radio-frequency module, so as to realize to the corresponding processing of electronic tag；Coordinator node：ZigBee terminal nodes are sended over
Electronic tag data information host computer is transmitted to by serial ports RS232, the control instruction of host computer is transmitted to ZigBee terminals
Node；PC host computers：Have a corresponding application software, processing come from the label information of ZigBee coordinator nodes and to
ZigBee coordinator nodes send control information, and fingerprint recognition is acquired to information, and DSP is compared after obtaining finger print information
And authentication, authentication information is transmitted to authentication information wireless transport module, C5507 pairs finally by serial ports
AES2510 has the reading of finger print information and the configuration operation of status register, C5507 A0 pins and AES2510 A0 pins
It is connected, when A0 is 0, C5507 reads the finger print information of AES2510 scannings by bus, when A0 is 1, C5507 passes through bus pair
AES2510 status register is read out and configured.
Radio system includes principal and subordinate's radio frequency module circuit, and principal and subordinate's radio frequency module circuit receives ZigBee terminals by serial port
The control instruction that the host computer that node is transmitted from ZigBee coordinator nodes is sent, so as to control radio frequency chip and electronics mark
Sign into row data communication, complete the read-write to electronic tag, radio frequency chip is responsible for the coding and decoding of wireless signal, modulation and conciliate
Adjust；Electronic tag is systematic difference terminal, loads the data message and label self information of object, from reading and writing device antenna hair
The wireless pulses gone out receive the control information that read write line is sent, and then the data message of electronic tag is returned again to by antenna
To read write line, read-write of the read write line to electronic tag data is completed.
Radio system includes ZigBee terminal node circuits, ZigBee terminal nodes circuit major control electronic tag and master
Data exchange is carried out from radio-frequency module and enters row data communication with ZigBee coordinator nodes, and the terminal node circuit is used
32MHz crystal oscillator is connected by serial ports with principal and subordinate's radio-frequency module as clock signal and realizes data communication, ZigBee terminal nodes
Using CC2530 chips.
Radio system includes ZigBee coordinator node circuits, and ZigBee coordinator node circuits are responsible for ZigBee terminals
The data that node is sended over realize data communication by RS232 Serial Port Lines and host computer, while being transmitted across host computer is received
Come control instruction and be sent to ZigBee terminal nodes.
ZigBee terminal node circuits also have software section, are to receive to come from host computer in terminal acquisition node major function
Data acquisition instructions after, gather electronic tag data information, and the data message collected be sent to coordinator node, it is first
First ZigBee terminal nodes power-up initializing, application adds the ZigBee-network set up, if network success is added, into low work(
Consumption pattern is resting state, to reduce terminal node power consumption, waits Interruption to produce, ZigBee terminal node microprocessor controls
Principal and subordinate's radio-frequency module reading electronic labels information processed, and the label data information recognized is transmitted by ZigBee wireless modules
ZigBee coordinator nodes are given, being then transferred to host computer by serial ports RS232 again is handled.
ZigBee coordinator node circuits also have software section, and nothing is carried out using the Z-STACK protocol stacks of ZigBee-network
Line is communicated, and Z-STACK agreements, which are based on rotating query formulation operating system, to be realized, in coordinator node after electricity, initiating hardware and
Protocol stack, search channel and clear channel assessment (CCA), select channel and set up ZigBee-network, accurate if node application adds network
Perhaps add and distribute the network short address of one l6, the data acquisition instructions for waiting host computer to send over, then RFID read
Write device electronic tag is identified, all packets of reception are sent to PC host computers by serial communication, to carry out
Data processing.
Routing circuit supports IPMasquerade technologies to realize that NAT is changed using linux kernel, realizes that multiple host is shared
Access internet, IPMasquerade operation principles：The Linux machines for realizing IPMasquerade are set to default by client computer
Gateway, when IPMasquerade Linux machines receive the packet of client computer, rewrites to it, source address is replaced
For the IP address of oneself, source port number is changed into a new port numbers, and the process is recorded；When receiving response
During packet, the packet is rewritten again if the exactly previous specified port numbers of its port numbers, by its purpose IP
Address and destination slogan replace with the Client IP address recorded originally and port numbers, are then then forwarded to client computer.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
ZigBee terminal nodes are the hardware cores of contactless RFID reader and ZigBee wireless module in system, main
Electronic tag is controlled to carry out data exchange with principal and subordinate's radio-frequency module and enter row data communication with ZigBee coordinator nodes.Should
Terminal node circuit uses 32MHz crystal oscillator as clock signal, is connected with principal and subordinate's radio-frequency module by serial ports and realizes that data are led to
Letter.ZigBee terminal nodes use CC2530 chips, the chip be TI companies release can realize 2.4GHz IEEE
802.15.4 radio-frequency receiving-transmitting, with sensitivity is high, strong antijamming capability the features such as, the especially ultralow work(of CC2530 chips
Consumption, under Passive Mode (RX), current loss is 24mA, and at aggressive mode (TX), current loss is 29mA, with three kinds of moulds
Formula, pattern 1, pattern 2 and the current loss of pattern 3 are respectively 0.2mA, 1uA and 0.4uA, are particularly suitable for those and require low-power consumption
Occasion.Also there is 2V-3.6V wide power voltage scope.It includes 8 MCU (8051), 8KB RAM, also comprising with
8 tunnels input and can configure 12 analog-digital converters (ADC) of resolution ratio, 1 MAC for meeting IEEE 802.5.4 specifications and determine
When device, 16 bit timing devices of 1 routine and 18 bit timing device, AES-128 coprocessors, WatchDog Timer, 32kHz it is brilliant
Park mode timer, electrification reset circuit, power-fail detection circuit and the 21 programmable I/0 pins shaken.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a kind of Internet control system transmitted based on ZigBee, including computer, it is characterised in that：Including radio system,
Software section, fingerprint recognition part and routing circuit, the radio system include active electronic label, using nRF24LE1 chips as
Principal and subordinate's radio-frequency module, ZigBee terminal nodes, ZigBee coordinator nodes and the PC host computers of microprocessor, the main radio frequency mould
Block receives the electronic tag id information recognized from radio-frequency module to realize dual-channel transmission by SPI, with more preferable data
Accuracy and reliability；ZigBee terminal nodes：Principal and subordinate's radio-frequency module is passed through into nothing to the data message that electronic label identification is arrived
Line mode is sent to ZigBee coordinator nodes, at the same the control instruction that is transmitted according to telegon of ZigBee terminal nodes come
Principal and subordinate's radio-frequency module is controlled, so as to realize to the corresponding processing of electronic tag；Coordinator node：ZigBee terminal nodes are sent
The electronic tag data information come over is transmitted to host computer by serial ports RS232, and the control instruction of host computer is transmitted to ZigBee
Terminal node；PC host computers：Have a corresponding application software, processing come from the label information of ZigBee coordinator nodes and to
ZigBee coordinator nodes send control information, and the fingerprint recognition is acquired to information, and DSP is obtained and carried out after finger print information
Compare and authentication, authentication information is transmitted to authentication information wireless transport module, C5507 pairs finally by serial ports
AES2510 has the reading of finger print information and the configuration operation of status register, C5507 A0 pins and AES2510 A0 pins
It is connected, when A0 is 0, C5507 reads the finger print information of AES2510 scannings by bus, when A0 is 1, C5507 passes through bus pair
AES2510 status register is read out and configured.
2. the Internet control system according to claim 1 transmitted based on ZigBee, it is characterised in that：The radio frequency system
System includes principal and subordinate's radio frequency module circuit, principal and subordinate's radio frequency module circuit by serial port reception ZigBee terminal nodes from
The control instruction that the host computer that ZigBee coordinator nodes are transmitted is sent, so as to control radio frequency chip to be carried out with electronic tag
Data communication, completes the read-write to electronic tag, and radio frequency chip is responsible for the coding and decoding of wireless signal, modulation and demodulation；Electricity
Subtab is systematic difference terminal, loads the data message and label self information of object, is sent from reading and writing device antenna
Wireless pulses receive the control information that read write line is sent, and then the data message of electronic tag is returned again to reading by antenna
Device is write, read-write of the read write line to electronic tag data is completed.
3. the Internet control system according to claim 1 transmitted based on ZigBee, it is characterised in that：The radio frequency system
System includes ZigBee terminal node circuits, the ZigBee terminal nodes circuit major control electronic tag and principal and subordinate's radio-frequency module
Carry out data exchange and enter row data communication with ZigBee coordinator nodes, the terminal node circuit uses 32MHz crystal oscillator
As clock signal, it is connected with principal and subordinate's radio-frequency module by serial ports and realizes data communication, ZigBee terminal nodes uses CC2530
Chip.
4. the Internet control system according to claim 1 transmitted based on ZigBee, it is characterised in that：The radio frequency system
System includes ZigBee coordinator node circuits, and the ZigBee coordinator nodes circuit is responsible for ZigBee terminal nodes being transmitted across
The data come realize data communication by RS232 Serial Port Lines and host computer, while referring to the control that host computer transmits is received
Make and be sent to ZigBee terminal nodes.
5. the Internet control system according to claim 1 transmitted based on ZigBee, it is characterised in that：The ZigBee
Terminal node circuit also has software section, is to receive the data acquisition instructions from host computer in terminal acquisition node major function
Afterwards, electronic tag data information is gathered, and the data message collected is sent to coordinator node, first ZigBee terminals section
Point power-up initializing, application adds the ZigBee-network set up, and is dormancy shape into low-power consumption mode if adding network success
State, to reduce terminal node power consumption, waits Interruption to produce, ZigBee terminal nodes microprocessor control principal and subordinate's radio-frequency module
Reading electronic labels information, and the label data information recognized is transferred to ZigBee telegons by ZigBee wireless modules
Node, is then transferred to host computer by serial ports RS232 again and is handled.
6. the Internet control system according to claim 1 transmitted based on ZigBee, it is characterised in that：The ZigBee
Coordinator node circuit also has software section, and radio communication, Z-STACK are carried out using the Z-STACK protocol stacks of ZigBee-network
Agreement is realized based on rotation query formulation operating system, in coordinator node after electricity, initiating hardware and protocol stack, search channel
And clear channel assessment (CCA), select channel and set up ZigBee-network, if node application adds network, permit adding and distributing one
The network short address of l6, waits the data acquisition instructions that send over of host computer, and then RFID reader enters to electronic tag
All packets of reception are sent to PC host computers, to carry out data processing by row identification by serial communication.
7. the Internet control system according to claim 1 transmitted based on ZigBee, it is characterised in that：The route electricity
Road supports IPMasquerade technologies to realize that NAT is changed using linux kernel, realizes multiple host share and access internet,
IPMasquerade operation principles：The Linux machines for realizing IPMasquerade are set to default gateway by client computer, when
When IPMasquerade Linux machines receive the packet of client computer, it is rewritten, source address is replaced with oneself
IP address, changes source port number into a new port numbers, and the process is recorded；When receiving response data packet
When, the packet is rewritten again if its port numbers exactly previously specified port numbers, by its purpose IP address and
Destination slogan replaces with the Client IP address recorded originally and port numbers, is then then forwarded to client computer.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107798367A (en) * | 2017-11-08 | 2018-03-13 | 天津职业技术师范大学 | A kind of wireless RFID read-write equipment based on ZigBee technology |
| CN109740396A (en) * | 2018-12-19 | 2019-05-10 | 国网山东省电力公司无棣县供电公司 | A kind of logistical materials acquisition system for power supply system |
| CN110161305A (en) * | 2019-04-18 | 2019-08-23 | 国网电科院检测认证技术有限公司 | A kind of charging pile metering system |
| CN113611127A (en) * | 2021-08-10 | 2021-11-05 | 谭举 | Underground parking lot parking space guiding system based on Internet of things and cloud computing |
| CN113705756A (en) * | 2021-08-24 | 2021-11-26 | 电子科技大学 | RFID chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107798367A (en) * | 2017-11-08 | 2018-03-13 | 天津职业技术师范大学 | A kind of wireless RFID read-write equipment based on ZigBee technology |
| CN109740396A (en) * | 2018-12-19 | 2019-05-10 | 国网山东省电力公司无棣县供电公司 | A kind of logistical materials acquisition system for power supply system |
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| CN110161305A (en) * | 2019-04-18 | 2019-08-23 | 国网电科院检测认证技术有限公司 | A kind of charging pile metering system |
| CN113611127A (en) * | 2021-08-10 | 2021-11-05 | 谭举 | Underground parking lot parking space guiding system based on Internet of things and cloud computing |
| CN113705756A (en) * | 2021-08-24 | 2021-11-26 | 电子科技大学 | RFID chip |
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