CN202475778U

CN202475778U - Industrial grade 3rd generation (3G) wireless router

Info

Publication number: CN202475778U
Application number: CN2012200708473U
Authority: CN
Inventors: 柴法巨
Original assignee: HANGZHOU JOSON TECH Co Ltd
Current assignee: HANGZHOU JOSON TECH Co Ltd
Priority date: 2012-02-29
Filing date: 2012-02-29
Publication date: 2012-10-03
Anticipated expiration: 2022-02-28

Abstract

The utility model relates to an industrial grade 3rd generation (3G) wireless router, which comprises a core processor module, a 3G communication module, a communication interface module, a watchdog module, a clock module, an indicator light module and a power supply module, wherein the core processor module comprises a central processing unit (CPU) core and a memory system, and is connected with the 3G communication module, the communication interface module, the watchdog module, the clock module, the indicator light module and the power supply module; and the 3G communication module is connected with a subscriber identity module (SIM) card and an antenna interface. Based on a 3G high-speed mobile communication network, wiring is not required; industrial grade chips and modules are adopted, so the router can adapt to industrial places which have severe environments; and the system of the router can automatically communicate with a domain name system (DNS) server of an operator, and automatic reconnection during offline and real-time online are ensured.

Description

A kind of technical grade 3G wireless router

Technical field

The utility model relates to a kind of wireless communication system, especially relates to a kind of technical grade 3G wireless router.

Background technology

Technical grade 3G wireless communication system utilizes advanced mobile communication technology, embedded technology and network communications technology, can realize that field instrument, security protection equipment, Smart Home, thing join the real time high-speed communicating requirement of equipment such as perception.Utilize 3G mobile radio network and internet, can satisfy real-time, the flexibility of multiple devices such as video monitoring, media advertisement distribution, kilowatt meter reading-out system etc., the requirement of reliability simultaneously.

In the prior art, traditional router is to accomplish access through wired modes such as telephone wire or optical fiber, and is the product for civilian use mostly, in the standard that can't reach the technical grade applications aspect Information Security and the system reliability.

The utility model content

To the deficiency of prior art, the utility model provides a kind of technical grade 3G wireless router.

A kind of technical grade 3G wireless router; Described router comprises core processor module, 3G communication module, communication interface module, watchdog module, clock module, indicating lamp module and power module; Described core processor module comprises core cpu and storage system; The core processor module is connected with 3G communication module, communication interface module, watchdog module, clock module, indicating lamp module and power module respectively, and the 3G communication module is connected with SIM and antennal interface.

Preferably, be connected communication through the USB2.0 interface between described 3G communication module and the core processor module.

Preferably, be connected communication through the I/O mouth between described watchdog module and the core processor module, can under the unmanned state, realize continuous operation; Avoid receiving the interference of electromagnetic field of coming from the outside; Cause the race of program to fly, be absorbed in endless loop, and the normal operation of program is interrupted.

Preferably, be connected communication through the I2C bus between described clock module and the core processor module, for system provides real-time clock.

Preferably, be connected communication through the I/O mouth between indicating lamp module and the core processor module, according to the light on and off of running status control indicator light.

Preferably, described core cpu adopts 32 technical grade ARM9 chip.

Preferably, described storage system comprises NAND FLASH and SDRAM.

Preferably, described communication interface comprises Ethernet interface, RS-232 interface and RS-485.

The utility model is integrated embedded software and hardware technology, wireless mobile telecommunication technology, network communications technology, note encoding and decoding technique and serial communication technology have following beneficial effect:

1. rely on the 3G high-speed mobile communications network, need not connect up;

2. adopt the chip and the module of technical grade, can overcome the abominable industrial occasions of environment;

3. adopt embedded OS, guaranteed that system can stablize, reliability service, realized unattended operation;

4. system integration VPN software engineering can be set up vpn tunneling and enciphered data, guarantees the safety of transmission data;

5. utilize 3G mobile radio network and internet, can satisfy the requirement of multiple devices different performance monitoring simultaneously.

6. intelligent anti-lost line technology, system automatically with the dns server communication of respective operator, guaranteeing to break reconnects real-time online automatically.

7. system has realized the mapping relations of note character code and common character code (UNICODE sign indicating number and GBK sign indicating number), and the system that makes can support the transmitting-receiving of Chinese, English note easily, without any need for extra conversion.

Description of drawings

Fig. 1 is the operation principle block diagram of the utility model.

Fig. 2 is the software function block diagram of the utility model.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further, but the protection range of the utility model is not limited to this.

With reference to Fig. 1; A kind of technical grade 3G wireless router; Described router comprises core processor module, 3G communication module, communication interface module, watchdog module, clock module, indicating lamp module and power module, and the core processor module comprises core cpu and storage system; The core processor module is connected with 3G communication module, communication interface module, watchdog module, clock module, indicating lamp module and power module respectively, and the 3G communication module is connected with the SIM antenna.The core processor module even is connected to internet and mobile phone terminal respectively through the 3G wireless network, is connected to equipment such as PC, security protection equipment, industrial instrument respectively through communication interface.

That power module adopts is high-quality, the technical grade power supply chip of wide region, and adopts the pattern of classification power supply, independently-powered to core processor module and 3G communication module, and backup battery is provided for clock module.

Be connected through the USB2.0 interface between 3G communication module and the core processor module.

Be connected through the I/O port communications between watchdog module and the core processor module, can under the unmanned state, realize continuous operation, avoid receiving the interference of electromagnetic field of coming from the outside, cause the race of program to fly, be absorbed in endless loop, and the normal operation of program is interrupted.

Be connected through the I2C bus communication between clock module and the core processor module, for system provides real-time clock.

Be connected through the I/O port communications between indicating lamp module and the core processor module, according to the light on and off of running status control indicator light.

Core cpu adopts 32 technical grade ARM9 chip, and storage system comprises NAND FLASH and SDRAM.

Communication interface comprises Ethernet interface, RS-232 interface and RS-485.

With reference to Fig. 2, the NAND FLASH internal memory of the utility model contains embedded software, and described embedded software is divided into drive software, operating system software and application software; Drive software comprises clock driving, network interface card driving, the USB driving of 3G module, serial port drive, the I/O mouth drives and storage system drives; Operating system software is a flush type LINUX operating system, and application software comprises real-time clock service, routing forwarding service, 3G dial-in service, the service of 3G vpn tunneling, the service of subnet distributing IP, WEB configuration admin service, the processing of Chinese and English note, TCP server client, DDNS client, firewall services and indication and abnormality processing.

Behind system's electrifying startup, can pass through the parameters of WEB mode or short message mode configuration-system, and forever be saved in the database of storage system.

System software starts the parameters in the reading database of back, and according to content of parameter corresponding service is provided.Application software dials up on the telephone according to SIM information (APN, user name, password etc.) the control 3G communication module of configuration, enters the Internet; Application software can be set up vpn tunneling according to the VPN information and the far-end vpn routers of configuration, to the data encrypted transmission; Application software can provide the routing forwarding service for the equipment of Ethernet interface side through IPTABLES; The transparent forwarding service of opposite end tcp port can be provided to for the equipment of serial interface side, client or server mode can be selected to be operated in; Can carry out Chinese and English short message receiving-transmitting through the 3G communication module, configuration parameter or condition diagnosing etc.; Application software can provide nat port mapping and firewall services; Application software can provide DHCP service according to the equipment that is configured to Ethernet one side, is devices allocation IP address and dns server automatically; Application software can be carried out the remote upgrade of FTP mode according to the note instruction.

Claims

1. technical grade 3G wireless router; It is characterized in that: described 3G wireless router comprises core processor module, 3G communication module, communication interface module, watchdog module, clock module, indicating lamp module and power module; Described core processor module comprises core cpu and storage system; The core processor module is connected with communication module, communication interface module, watchdog module, clock module, indicating lamp module and power module respectively, and the 3G communication module is connected with SIM and antenna.

2. technical grade 3G wireless router according to claim 1 is characterized in that: be connected communication through the USB2.0 interface between described 3G communication module and the core processor module.

3. technical grade 3G wireless router according to claim 1 is characterized in that: be connected communication through the I/O mouth between described watchdog module and the core processor module.

4. technical grade 3G wireless router according to claim 1 is characterized in that: be connected communication through the I2C bus between described clock module and the core processor module.

5. technical grade 3G wireless router according to claim 1 is characterized in that: be connected communication through the I/O mouth between described indicating lamp module and the core processor module.

6. technical grade 3G wireless router according to claim 1 is characterized in that: described core cpu adopts 32 technical grade ARM9 chip.

7. technical grade 3G wireless router according to claim 1, it is characterized in that: described storage system comprises NAND FLASH and SDRAM.

8. technical grade 3G wireless router according to claim 1 is characterized in that: described communication interface comprises Ethernet interface, RS-232 interface and RS-485 interface.