CN108429555A - A kind of wireless sensor network multi-band remote communication board - Google Patents
A kind of wireless sensor network multi-band remote communication board Download PDFInfo
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- CN108429555A CN108429555A CN201810430367.5A CN201810430367A CN108429555A CN 108429555 A CN108429555 A CN 108429555A CN 201810430367 A CN201810430367 A CN 201810430367A CN 108429555 A CN108429555 A CN 108429555A
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- 238000004891 communication Methods 0.000 title claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The present invention relates to a kind of wireless sensor network multi-band remote communication boards.Including microprocessor module, data acquisition module, working frequency range switching circuit module, high frequency radio receiving transmitting module, low-frequency wireless transceiver module, power amplifier module, low noise amplifier circuit module, antenna and antenna-matching circuit；Working frequency range switching circuit module is bi-directionally connected with microprocessor module, the switching for being selected between high frequency radio receiving transmitting module and low-frequency wireless transceiver module；High frequency radio receiving transmitting module and low-frequency wireless transceiver module are bi-directionally connected with working frequency range switching circuit module respectively, high frequency radio receiving transmitting module and low-frequency wireless transceiver module are respectively connected with power amplifier module and low noise amplifier circuit module, and power amplifier module and low noise amplifier circuit module are connected with antenna and antenna-matching circuit.The present invention can be optimized according to frequency range regulation, message transmission rate, node power consumption and the transmission range of countries and regions, meet the requirement of various different applications.
Description
Technical field
The present invention relates to the wireless sensor network communications field, specifically a kind of wireless sensor network multi-band remote communication
Plate.
Background technology
The rapid development of Internet of Things has obtained the extensive concern of various circles of society in recent years, and will thoroughly change in the near future
Become our life.Low cost, low-power consumption and low rate wireless sensor network be Internet of Things an important component and
Crucial pusher can well solve the critical issue of the two obstruction large scale deployment Internet of Things of cost and energy consumption.
IP technologies occupy dominant position in communication network at present, and TCP/IPv6 is provided and realized the big of energy seamless access internet
Scale sensor monitoring and the best solution of control service.In addition, many Internet of Things/wireless sensor network applications are required for
The wireless communication of long range, such as cover large-scale solar power station or farm etc. with wireless sensor network.Therefore it sets
Meter, which is realized, supports the long range wireless sensor network communication board of TCP/IPv6 to have very strong Practical significance.
Currently, having to the working frequency of the wireless sensor network of IEEE802.15.4 standards in different countries and regions
Certain regulation.Communication board needs to be operated in the following frequency range without licensing：
·779–787 MHz：China
·868.0–868.6 MHz：Europe
·902–928 MHz：North America
·2400–2483.5 MHz:The world is general
In general, if transimission power is identical, longer communication distance can be reached using lower working frequency, but it is passed
Defeated speed can be relatively low.Different Internet of Things is using having the power consumption of communication distance, rate and node different requirements, wirelessly
Sensing network communication board should be able to be flexibly adapted to these in the case where meeting the country one belongs to and the regional regulation in relation to working frequency range
Different requirements.For example, requiring relatively high application for communication distance, can be transmitted by using lower frequency, it can also
Communication distance is improved by increasing transimission power.It is very low for data transmission rate but node energy consumption requires high application, make
It is a preferable scheme with low-frequency transmission.And node that is higher for message transmission rate but can supporting greater energy consumption, it can
To use 2.4 ghz bands, and increase transimission power and/or low noise amplifier circuit promotion receiver reception signal using power amplifier
Sensitivity to ensure communication distance.
Product currently on the market is all without such function, and therefore, the present invention has developed 6LoWPAN for this demand
The multi-band remote communication board of wireless sensor network can easily switch operating frequency, the frequency range for adapting to every country area advise
It is fixed, and according to the needs of concrete application transimission power appropriate and working frequency range can be selected to optimize communication plan, this case is thus
And it gives birth to.
Invention content
To achieve the goals above, the technical solution adopted in the present invention is：
A kind of wireless sensor network multi-band remote communication board, including power module, microprocessor module, data acquisition module,
Working frequency range switching circuit module, high frequency radio receiving transmitting module, low-frequency wireless transceiver module, power amplifier module, low noise are put
Big circuit module, antenna and antenna-matching circuit；Data acquisition module is bi-directionally connected with microprocessor module, and working frequency range is cut
Circuit module is changed to be bi-directionally connected with microprocessor module, high frequency radio receiving transmitting module and low-frequency wireless transceiver module respectively with work
Frequency range switching circuit module is bi-directionally connected；High frequency radio receiving transmitting module is connected with one group of power amplifier module and low noise amplification electricity
Road module, low-frequency wireless transceiver module are connected with another group of power amplifier module and low noise amplifier circuit module, each group of work(
It puts circuit module and low noise amplifier circuit module is all connected with antenna and antenna-matching circuit, the working frequency range switching circuit
The switching that module is used to select between high frequency radio receiving transmitting module and low-frequency wireless transceiver module.
The data acquisition module includes input/output interface and modulus/D/A converter module.
The high frequency radio receiving transmitting module includes the chip that working frequency range is 2.4GHz.
The low-frequency wireless transceiver module includes the chip that working frequency range is less than 1GHz.
The working frequency range switching circuit module is switched using multiple single pole double throw analogs that can be controlled with program.
The power module includes the main circuit power powered to microprocessor module and to power amplifier module and low
The regulated power supply of noise amplifier circuit module for power supply.
The regulated power supply is equipped with switch, and switch is used to open or closes the power supply of low frequency/high-frequency work circuit.
The antenna being connected with the high frequency radio receiving transmitting module includes that PCB high frequency antennas and multiple external high frequency antennas connect
Mouthful, the antenna being connected with the low-frequency wireless transceiver module includes PCB low-frequency antennas and multiple external low-frequency antenna interfaces.
The microprocessor module, low-frequency wireless transceiver module, high frequency radio receiving transmitting module, power amplifier module and low noise
Sound amplification circuit module is all made of independent function module and constitutes.
The present invention can be by adjusting power amplifier, low noise amplifier circuit, low-and high-frequency working channel, antenna and antenna point
The various ways such as collection ensure that wireless communication can be according to frequency range regulation, field condition, geographical environment, the data of countries and regions
Transmission rate, node power consumption and transmission range are customized or optimize, to meet the requirement of various different applications.
The present invention is further elaborated below by way of the drawings and specific embodiments.
Description of the drawings：
Fig. 1 is the multi-band remote communication board schematic block circuit diagram for gateway board；
Fig. 2 is the circuit diagram of working frequency range switching circuit；
Fig. 3 is the circuit diagram that frequency range switches wire jumper；
Fig. 4 is to the circuit diagram of power amplifier and low noise amplifier circuit power supply.
Specific implementation mode：
The present invention provides a kind of wireless sensor network multi-band remote communication board, mainly for 6LoWPAN wireless sensor networks
Design, be not only suitable for using as gusset plate, also be suitable as gateway board use, for as gateway board in use, needing to increase
If ethernet module is bi-directionally connected with microprocessor module, router can be connected by Ethernet or Ethernet switch carries out
Data forwarding.To simplify the explanation, the present embodiment and attached drawing for the communication board of gateway board for being illustrated.
As shown in Figure 1, multi-band remote communication board includes mainly power module, antenna, antenna-matching circuit, microprocessor
Module, radio receiving transmitting module, power amplifier module, low noise amplifier circuit module, USB turn serial port module, data acquisition module
And working frequency range switching circuit module.Wherein, data processing module includes input/output interface and modulus/digital-to-analogue conversion mould
Block can require self-defined, the various sensor interfaces for measuring different physical quantities of customization according to user, can also be to various differences
Actuator and servomechanism controlled.In order to enable the communication board all can be used in different working frequency range, above-mentioned wireless receipts
Hair module is divided into high frequency radio receiving transmitting module and low-frequency wireless transceiver module.The working frequency range of high frequency radio receiving transmitting module is
The working frequency range of 2.4GHz, low-frequency wireless transceiver module are less than 1GHz（Such as 700/800/900MHz）.Height in the present embodiment
Chip in frequency radio receiving transmitting module uses AT86RF231 chips, and the chip in low-frequency wireless transceiver module uses AT86RF212
Chip.And working frequency range switching circuit module is mainly used for selecting between high frequency radio receiving transmitting module and low-frequency wireless transceiver module
The switching selected, the working frequency range that can regard specifically used occasion need, and switch to high-frequency work pattern or low frequency operating mode.This
Working frequency range switching circuit module in embodiment is switched using the single pole double throw analog of model SN74LVC1G3157（Such as Fig. 2
It is shown）, both can be by switching wire jumper（As shown in Figure 3）Switch between high and low frequency, can also be completed by software it is high,
Switching between low frequency（Such as：By period, application, place to use etc.）, and by being carried out to external interference suffered by working channel
Detecting or for application demand change and use intelligent work frequency error factor.
The connection type of the multiband communication board is：Data acquisition module is bi-directionally connected with microprocessor module, and USB turns string
Mouth mold block is bi-directionally connected with microprocessor module, and ethernet module is bi-directionally connected with microprocessor module, working frequency range switching electricity
Road module is bi-directionally connected with microprocessor module, high frequency radio receiving transmitting module and low-frequency wireless transceiver module respectively with working frequency range
Switching circuit module is bi-directionally connected.It flexibly selects and adjusts according to specific application environment for convenience of user, in the present embodiment
Microprocessor module and high-frequency/low-frequency radio receiving transmitting module independent hardware chip and circuit is respectively adopted and realizes, abandon and adopt
The chip integrated with microprocessor and radio transmitting and receiving chip, to ensure that wireless communication can be according to the frequency of countries and regions
Section regulation, field condition, geographical environment, message transmission rate, node power consumption and transmission range are customized, various to meet
The requirement of different application.Also, high frequency radio receiving transmitting module and low-frequency wireless transceiver module are respectively connected with power amplifier mould
Block and low noise amplifier circuit module.The output end of high-frequency/low-frequency radio receiving transmitting module connects power amplifier module, high frequency/low
The input terminal of frequency radio receiving transmitting module connects low noise amplifier circuit module.
Two independent hardware chips may be used in power amplifier module and low noise amplifier circuit module, can also use
Be integrated with the integrated chips of two kinds of modules simultaneously, but using two separate hardware chips be more advantageous to customization according to actual needs and
Flexibly selection.Power amplifier module is used to increase the transimission power of communication board, and transimission power increase can increase communication distance.Low noise
Sound amplification circuit module can promote the sensitivity that receiver receives signal.
High frequency radio receiving transmitting module connection power amplifier module and low noise amplifier circuit module be connected with antenna and
Antenna-matching circuit；The power amplifier module and low noise amplifier circuit module that low-frequency wireless transceiver module is connected are connected with separately
Outer a set of antenna and antenna-matching circuit.Wherein, two sets of antennas are including PCB antenna and multiple external antenna interfaces, just
In using suitable antenna combination according to the actual application, diversity antenna technology can also be supported.
Power module in the present embodiment includes the main circuit power powered to microprocessor module and is put to low noise
The regulated power supply of big circuit module and power amplifier module for power supply, wherein regulated power supply can by software or manual switch come
It opens any power supply power supply all the way either closed in low frequency/high-frequency circuit or opens simultaneously or close low frequency, high frequency
The power supply power supply of operating circuit.The setting of power module of voltage regulation upper switch circuit enables user can be according to specifically used environment
Flexibly selection, further expands the scope of application of communication board.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, those of ordinary skill in the art are to this hair
Other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It should all cover in scope of the presently claimed invention.
Claims (9)
1. a kind of wireless sensor network multi-band remote communication board, it is characterised in that：Including power module, microprocessor module,
Data acquisition module, working frequency range switching circuit module, high frequency radio receiving transmitting module, low-frequency wireless transceiver module, power amplifier
Module, low noise amplifier circuit module, antenna and antenna-matching circuit；Data acquisition module and the two-way company of microprocessor module
It connects, working frequency range switching circuit module is bi-directionally connected with microprocessor module, high frequency radio receiving transmitting module and low-frequency wireless transmitting-receiving
Module is bi-directionally connected with working frequency range switching circuit module respectively；High frequency radio receiving transmitting module is connected with one group of power amplifier module
With low noise amplifier circuit module, low-frequency wireless transceiver module is connected with another group of power amplifier module and low noise amplifier circuit
Module, each group of power amplifier module and low noise amplifier circuit module are all connected with antenna and antenna-matching circuit, the work
Make switching of the frequency range switching circuit module for being selected between high frequency radio receiving transmitting module and low-frequency wireless transceiver module.
2. a kind of wireless sensor network multi-band remote communication board according to claim 1, it is characterised in that：The data
Acquisition module includes input/output interface and modulus/D/A converter module.
3. a kind of wireless sensor network multi-band remote communication board according to claim 1, it is characterised in that：The high frequency
Radio receiving transmitting module includes the chip that working frequency range is 2.4GHz.
4. a kind of wireless sensor network multi-band remote communication board according to claim 1, it is characterised in that：The low frequency
Radio receiving transmitting module includes the chip that working frequency range is less than 1GHz.
5. a kind of wireless sensor network multi-band remote communication board according to claim 1, it is characterised in that：The work
Frequency range switching circuit module is switched using multiple single pole double throw analogs that can be controlled with program.
6. a kind of wireless sensor network multi-band remote communication board according to claim 1, it is characterised in that：The power supply
Module includes the main circuit power powered to microprocessor module and to power amplifier module and low noise amplifier circuit module
The regulated power supply of power supply.
7. a kind of wireless sensor network multi-band remote communication board according to claim 6, it is characterised in that：The voltage stabilizing
Power supply is equipped with switch, and switch is used to open or closes the power supply of low frequency/high-frequency work circuit.
8. a kind of wireless sensor network multi-band remote communication board according to claim 1, it is characterised in that：With the height
The connected antenna of frequency radio receiving transmitting module includes PCB high frequency antennas and multiple external high frequency antenna interfaces, with the low frequency without
The connected antenna of line transceiver module includes PCB low-frequency antennas and multiple external low-frequency antenna interfaces.
9. a kind of wireless sensor network multi-band remote communication board according to claim 1, it is characterised in that：Micro- place
It is equal to manage device module, low-frequency wireless transceiver module, high frequency radio receiving transmitting module, power amplifier module and low noise amplifier circuit module
It is constituted using independent function module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810430367.5A CN108429555A (en) | 2018-05-08 | 2018-05-08 | A kind of wireless sensor network multi-band remote communication board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810430367.5A CN108429555A (en) | 2018-05-08 | 2018-05-08 | A kind of wireless sensor network multi-band remote communication board |
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| Publication Number | Publication Date |
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| CN108429555A true CN108429555A (en) | 2018-08-21 |
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| CN201810430367.5A Pending CN108429555A (en) | 2018-05-08 | 2018-05-08 | A kind of wireless sensor network multi-band remote communication board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561416A (en) * | 2018-12-24 | 2019-04-02 | 福建联迪商用设备有限公司 | A kind of method and terminal reducing Bluetooth communication power consumption |
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| CN1549644A (en) * | 2003-05-23 | 2004-11-24 | �ʼҷ����ֵ��ӹɷ�����˾ | Multi-band and multi-mode mobile terminal in radio communication system |
| CN101707281A (en) * | 2009-11-17 | 2010-05-12 | 中兴通讯股份有限公司 | Mobile terminal and diversity antenna thereof |
| CN202004812U (en) * | 2010-12-01 | 2011-10-05 | 惠州Tcl移动通信有限公司 | Multi-antenna structure of mobile terminal |
| CN102801832A (en) * | 2012-08-02 | 2012-11-28 | 上海华勤通讯技术有限公司 | Cell phone capable of receiving and transmitting multi-frequency-band signal |
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