CN110337119A - A kind of private network dual-mode communication system - Google Patents
A kind of private network dual-mode communication system Download PDFInfo
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- CN110337119A CN110337119A CN201910452198.XA CN201910452198A CN110337119A CN 110337119 A CN110337119 A CN 110337119A CN 201910452198 A CN201910452198 A CN 201910452198A CN 110337119 A CN110337119 A CN 110337119A
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- module
- private network
- power
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- wireless private
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention is a kind of private network dual-mode communication system, including business main website, wireless private network, PON network and dual-mode terminal, the business main website passes through wireless private network and dual-mode terminal communication, business main website passes through PON network and dual-mode terminal communication, dual-mode terminal includes ONU module, wireless private network module, HUB module and power module, the power module is ONU module, wireless private network module and HUB module for power supply, HUB module connects downstream plant, HUB module is also connected with ONU module and wireless private network module respectively, ONU module is connected with PON network, wireless private network module is connected with wireless private network.The invention has the advantages that having multiple interfaces, it can be communicated in several ways with other equipment, meet the business demand of power grid；PON network and wireless private network form " binary channels " fully protective switching type topological structure, the stability of safeguards system communication.
Description
Technical field
The present invention relates to network communication field more particularly to a kind of private network dual-mode communication systems.
Background technique
Adapted power grid mostly uses GPRS, CDMA business for renting telecom operators' offer as business such as information collections
Wireless communication means.Although public network is disposed without network and later maintenance, it is only necessary to pay lease expenses to operator, it is this with
Public's voice communication and data service are the network of highest priority, are unable to satisfy electric power service information safety, real-time always
And the demand of service quality.Therefore, construction wireless private network becomes the inexorable trend of smart grid power communication development, and traditional
The network terminal can not be applied in the private network of particular frequency bands, and traditional network terminal does not have corresponding electrical network business yet
Interface.
Though wireless network has the advantages that wirelessly to be routed, it is flexible to be arranged, its transmission rate is slower, is easy to be interfered,
When communication environment is poor, wireless network can not provide the communication service of high-speed for electrical network business.
Summary of the invention
Present invention mainly solves the above problem, provides and a kind of be able to carry out wireless private network transmission and optical-fiber network transmission
Private network dual-mode communication system.
The technical solution adopted by the present invention to solve the technical problems is a kind of private network dual-mode communication system, including business
Main website, wireless private network, PON network and dual-mode terminal, the business main website pass through wireless private network and dual-mode terminal communication, business master
It stands through PON network and dual-mode terminal communication.
Business main website passes through PON network and dual-mode terminal communication by wireless private network and dual-mode terminal communication, business main website,
Wireless private network and PON network form " binary channels " fully protective switching type topological structure, the stability of system are improved, in wireless private network
Or PON network appoints and is capable of providing communication service when there is communication failure.
Scheme as a preference of the above scheme, the dual-mode terminal include ONU module, wireless private network module, HUB mould
Block and power module, the power module are ONU module, wireless private network module and HUB module for power supply, and HUB module connects downlink
Equipment, HUB module are also connected with ONU module and wireless private network module respectively, and ONU module is connected with PON network, wireless private network mould
Block is connected with wireless private network.HUB module receives the information that downstream plant uploads, and the information received is passed through ONU mould by HUB module
Block is transferred to PON network or by wireless private network module transfer into wireless private network, and business main website side carries out wireless private network transmission
With the switching of PON network transmission.
Scheme as a preference of the above scheme, the wireless private network module include CPU, RF unit, power supply unit, deposit
Storage unit and FPGA module unit, the MCU are connected with power supply unit, RF unit, storage unit and FPGA unit respectively.
Scheme as a preference of the above scheme, the power supply unit include power adapter U1 and power-supply controller of electric
U2, the power adapter U1 connection power module, the first DC/DC delivery outlet in power adapter U1 are power-supply controller of electric U2
It powers, the 3rd DC/DC delivery outlet and LDO delivery outlet in power adapter U1 are the power supply of RF unit.
Scheme as a preference of the above scheme states power-supply controller of electric U2 as the power supply of entire wireless terminal module, power supply
Controller U2 provides system clock and low-speed clock, the USB transceiver and the USB interface phase of CPU of power-supply controller of electric U2 for CPU
Even, power-supply controller of electric U2 is connected with the I2C interface of CPU.
Scheme as a preference of the above scheme, the RF unit respectively with the I2C interface of CPU and McSPI interface phase
Even, RF unit is also connected with FPGA unit.
Scheme as a preference of the above scheme, the CPU are connected by GPMC bus with Ethernet chip, Ethernet
Chip is connected with Ethernet interface, and Ethernet interface is connected with HUB module.
Scheme as a preference of the above scheme, the wireless private network module further includes clock circuit, the clock electricity
Road include temperature compensating crystal oscillator TCXO, oscillator LP and register BUF, the temperature compensating crystal oscillator TCXO respectively with RF module and register
BUF is connected, and register BUF is connected with power-supply controller of electric U2 clock signal input terminal, power-supply controller of electric U2 clock signal output terminal
It is connected respectively with CPU and FPGA module, FPGA module is connected with oscillator LP, and oscillator LP is connected with temperature compensating crystal oscillator TCXO.
It the invention has the advantages that having multiple interfaces, can be communicated in several ways with other equipment, meet electricity
The business demand of net；PON network and wireless private network are formed by " binary channels " fully protective switching type topological structure, and safeguards system is logical
The stability of letter.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of the invention.
Fig. 2 is a kind of structural block diagram of dual-mode terminal in the present invention.
Fig. 3 is a kind of structural block diagram of wireless private network module in the present invention.
Fig. 4 is a kind of circuit theory schematic diagram of clock circuit in the present invention.
1- business main website 2- wireless private network 3-PON network 4- dual-mode terminal 5-ONU module 6- wireless private network module
7-HUB module 8- power module.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing further description of the technical solution of the present invention.
Embodiment:
A kind of private network dual-mode communication system of the present embodiment, as shown in Figure 1, including business main website 1, wireless private network 2,3 and of PON network
Dual-mode terminal 4, by wireless private network and dual-mode terminal communication, business main website is logical by PON network and dual-mode terminal for business main website
Letter.
As shown in Fig. 2, dual-mode terminal includes ONU module 5, wireless private network module 6, HUB module 7 and power module 8, it is described
Power module is ONU module, wireless private network module and HUB module for power supply, and HUB module connects downstream plant, and downstream plant includes
FTU(panel switches monitor terminal), DTU(data transmission unit) and TTU(distribution transformer monitoring terminal) etc., HUB module is also
It is connected respectively with ONU module and wireless private network module, ONU module is connected with PON network, wireless private network module and wireless private network phase
Even.HUB module provides two external network interfaces for dual-mode terminal, and external network interface is for connecting downstream plant, any one is to outer net
Mouth can be communicated with ONU module and wireless private network module.ONU module provides PON network for connecting optical fiber for dual-mode terminal
Service, wireless dedicated module provide wireless private network service for connecting wireless private network for dual-mode terminal.
As shown in figure 3, wireless private network module includes CPU, RF unit, power supply unit, memory cell and FPGA module list
Member, the MCU are connected with power supply unit, RF unit, storage unit and FPGA unit respectively.CPU, which is selected, has 1 ARM
The processor of Cortex-A8 core and 1 DSP multicore.Power supply unit includes power adapter U1 and power-supply controller of electric U2, and power supply turns
Parallel operation U1 is LT3507A chip, and power adapter input terminal connects power module, and the first DC/DC in power adapter U1 is defeated
Outlet is that power-supply controller of electric U2 powers, and the 3rd DC/DC delivery outlet and LDO delivery outlet in power adapter U1 are the confession of RF unit
Electricity.Power-supply controller of electric U2 is TPS65921B1 chip, and power-supply controller of electric U2 is the power supply of entire wireless terminal module, power-supply controller of electric
U2 provides the system clock of 19.2MHz and the low-speed clock of 32.768MHz for CPU, the USB transceiver of power-supply controller of electric U2 with
The USB interface of CPU is connected, and carries out USB port extension, and power-supply controller of electric U2 is connected with the I2C interface of CPU, CPU pass through I2C1,
I2C4 configures the general register and power management registers of power supply unit, and power-supply controller of electric U2 also connects with the PLL of FPGA module
Mouth is connected, and the reset for carrying out mainboard controls.
RF unit is connected with the I2C interface of CPU and McSPI interface respectively, and RF unit is also connected with FPGA unit, and CPU is logical
Cross E2PROM, temperature sensor and the expansion module on I2C2 control RF unit.
Memory cell provides two buses: SDRC bus, passes through SDRC bus extension 32bit bit wide speed in the present embodiment
Rate is DDR333, and size is the mobile DDR memory of 64MB as memory；GPMC bus, the design pass through GPMC bus
CS0 extends nonvolatile memory of the NANDFLASH of 8bit bit wide 128MB as system, is extended by GPMC bus CS3
The FPGA memory map registers of 16bit bit wide are connected extension by the CS4 and Ethernet chip LAN9221i of GPMC bus
Ethernet interface out, Ethernet interface are connected with HUB module.Memory module selects MCP memory (1Gb nandflash+512Mb
Mobile DDR), IO voltage 1.8V can be seamlessly connected with SDRC bus and GPMC bus.
The wireless private network resume module is provided out outside USB interface and Ethernet interface, also offer business serial ports and speed regulation string
Mouthful, RS484 interface and RS232 interface multiplexing, debugging serial ports use RS232 interface in business serial ports.
Wireless private network module is additionally provided with including clock circuit, as shown in figure 4, clock circuit includes temperature compensating crystal oscillator TCXO, vibration
Device LP and register BUF is swung, the temperature compensating crystal oscillator TCXO is connected with RF module and register BUF respectively, register BUF and power supply
Controller U2 clock signal input terminal is connected, and power-supply controller of electric U2 clock signal output terminal is connected with CPU and FPGA module respectively,
FPGA module is connected with oscillator LP, and oscillator LP is connected with temperature compensating crystal oscillator TCXO.
MMC module is equipped in wireless private network module, CPU is connected with mmc card, needs programming FLASH in batch production, can
Store xLoader in mmc card, the board of non-programming FLASH got up by MMC BOOT after by uboot and BOOTROM and
VxWorks programming is into NANDFLASH.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of private network dual-mode communication system, it is characterized in that: include business main website (1), wireless private network (2), PON network (3) and
Dual-mode terminal (4), the business main website pass through PON network and bimodulus by wireless private network and dual-mode terminal communication, business main website
Terminal communication.
2. a kind of private network dual-mode communication system according to claim 1, it is characterized in that: the dual-mode terminal includes ONU mould
Block (5), wireless private network module (6), HUB module (7) and power module (8), the power module are ONU module, wireless private network
Module and HUB module for power supply, HUB module connect downstream plant, HUB module also respectively with ONU module and wireless private network module phase
Even, ONU module is connected with PON network, and wireless private network module is connected with wireless private network.
3. a kind of private network dual-mode communication system according to claim 2, it is characterized in that: the wireless private network module includes
CPU, RF unit, power supply unit, memory cell and FPGA module unit, the MCU respectively with power supply unit, RF unit, deposit
Storage unit is connected with FPGA unit.
4. a kind of private network dual-mode communication system according to claim 3, it is characterized in that: the power supply unit includes that power supply turns
Parallel operation U1 and power-supply controller of electric U2, the power adapter U1 connection power module, the first DC/DC in power adapter U1 are defeated
Outlet is that power-supply controller of electric U2 powers, and the 3rd DC/DC delivery outlet and LDO delivery outlet in power adapter U1 are the confession of RF unit
Electricity.
5. a kind of private network dual-mode communication system according to claim 4, it is characterized in that: the power-supply controller of electric U2 is entire
Wireless terminal module power supply, power-supply controller of electric U2 provide system clock and low-speed clock for CPU, and the USB of power-supply controller of electric U2 is received
Hair device is connected with the USB interface of CPU, and power-supply controller of electric U2 is connected with the I2C interface of CPU.
6. a kind of private network dual-mode communication system according to claim 3, it is characterized in that: the RF unit is respectively with CPU's
I2C interface is connected with McSPI interface, and RF unit is also connected with FPGA unit.
7. a kind of private network dual-mode communication system according to claim 3, it is characterized in that: the CPU by GPMC bus with
Ethernet chip is connected, and Ethernet chip is connected with Ethernet interface, and Ethernet interface is connected with HUB module.
8. a kind of private network dual-mode communication system according to claim 4 or 5, it is characterized in that: the wireless private network module is also
Including clock circuit, the clock circuit includes temperature compensating crystal oscillator TCXO, oscillator LP and register BUF, the temperature compensating crystal oscillator
TCXO is connected with RF module and register BUF respectively, and register BUF is connected with power-supply controller of electric U2 clock signal input terminal, electricity
Source controller U2 clock signal output terminal is connected with CPU and FPGA module respectively, and FPGA module is connected with oscillator LP, oscillator
LP is connected with temperature compensating crystal oscillator TCXO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452198.XA CN110337119A (en) | 2019-05-28 | 2019-05-28 | A kind of private network dual-mode communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452198.XA CN110337119A (en) | 2019-05-28 | 2019-05-28 | A kind of private network dual-mode communication system |
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| CN110337119A true CN110337119A (en) | 2019-10-15 |
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| CN201910452198.XA Pending CN110337119A (en) | 2019-05-28 | 2019-05-28 | A kind of private network dual-mode communication system |
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Citations (5)
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|---|---|---|---|---|
| US20080193128A1 (en) * | 2007-02-09 | 2008-08-14 | Baomin Hu | Computer ethernet card based on passive optical network |
| CN103024948A (en) * | 2012-12-13 | 2013-04-03 | 深圳市新泰科投资有限公司 | Data business comprehensive access terminal based on time division long term evolution (TD-LTE) wireless private network |
| CN105281841A (en) * | 2014-07-22 | 2016-01-27 | 国家电网公司 | Outdoor ONU terminal device |
| CN205901797U (en) * | 2016-06-27 | 2017-01-18 | 李宏晨 | Intelligence PON terminal based on integration of three networks and cloud calculate |
| CN206364822U (en) * | 2017-01-24 | 2017-07-28 | 国网新疆电力公司昌吉供电公司 | Integrated EPON and wireless LTE230 soc chips |
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2019
- 2019-05-28 CN CN201910452198.XA patent/CN110337119A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080193128A1 (en) * | 2007-02-09 | 2008-08-14 | Baomin Hu | Computer ethernet card based on passive optical network |
| CN103024948A (en) * | 2012-12-13 | 2013-04-03 | 深圳市新泰科投资有限公司 | Data business comprehensive access terminal based on time division long term evolution (TD-LTE) wireless private network |
| CN105281841A (en) * | 2014-07-22 | 2016-01-27 | 国家电网公司 | Outdoor ONU terminal device |
| CN205901797U (en) * | 2016-06-27 | 2017-01-18 | 李宏晨 | Intelligence PON terminal based on integration of three networks and cloud calculate |
| CN206364822U (en) * | 2017-01-24 | 2017-07-28 | 国网新疆电力公司昌吉供电公司 | Integrated EPON and wireless LTE230 soc chips |
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| 孙锐: "用电现场服务系统及其远程升级方案的研究", 《CNKI》 * |
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Application publication date: 20191015 |
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