CN104683251A - Router - Google Patents
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- CN104683251A CN104683251A CN201510124745.3A CN201510124745A CN104683251A CN 104683251 A CN104683251 A CN 104683251A CN 201510124745 A CN201510124745 A CN 201510124745A CN 104683251 A CN104683251 A CN 104683251A
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Abstract
The invention discloses a router. The router comprises a core board and an interface board, wherein a routing master control chip is embedded in the core board, and a first SPI interface, a first RS232 interface, a first power supply output interface, a first power supply input interface and a first USB interface are arranged on the core board; a serial port conversion chip is embedded in the interface board, and a second SPI interface, a second RS232 interface, a second power supply input interface, a second power supply output interface, a second USB interface and an RS485/422 interface are arranged on the interface board; the serial port conversion chip is electrically connected between the second RS232 interface and the RS485/422 interface. The core board is electrically connected with the interface board, and meanwhile, the RS485/422 interface is arranged on the interface board, and the serial port conversion chip is embedded in the interface board, so that the second RS232 interface is converted to the RS485/422 interface, and the problems that the conventional router is single in function and limited in expandability are effectively solved.
Description
Technical field
The present invention relates to network equipment field, particularly relate to a kind of router.
Background technology
Router (Router), also known as gateway device (Gateway), is for connecting multiple network separated in logic.So-called logical network represents an independent network or a subnet.When data are transferred to another subnet from a subnet, the routing function by router has come.Therefore, router has the function judging the network address and select IP path.It can in Multi net voting Interconnection Environment, and set up and connect flexibly, available diverse packet is connected various subnet with media access method, and router only accepts the information of source station or other routers, belongs to a kind of InterWorking Equipment of network layer.
Wireless router (Wireless Router) is as the one of router, can be compared to pure wireless aps (Access Point, access point, be commonly called as focus) and the extended pattern product that unites two into one of broadband router, not only possess all functions of pure wireless aps, as: support DHCP (Dynamic Host Configuration Protocol, DHCP) client, support VPN (Virtual Private Network, VPN (virtual private network)), fire compartment wall, support WEP (Wired Equivalent Privacy, wired equivalent privacy) encryption etc., further comprises network address translation (Network Address Translation, NAT) function, the network Connection Sharing of LAN subscriber can be supported.Wherein, wireless router is built-in with virtual dial-up software simply, username and password can be stored dial up on the telephone, can be implemented as ADSL (the Asymmetric Digital Subscriber Line of dial-up access the Internet (Internet), Asymmetrical Digital Subscriber Line), CM etc. provides automatic dialing, and without the need to manual dialup or take a computer and do server and use.Therefore, wireless router has possessed the function of safety protection of comparatively perfect.
And for the function aspects of router, along with router widely using in every field, and mobile device is universal, in order to meet user's other functional requirements for wireless router, existing router supports USB interface mostly, makes user carry out Function Extension by USB interface routers.At present, the function of carrying out Function Extension realization by USB interface routers is mainly the carry to External memory equipment, user by mobile device DASD, and without the need to opening computer.But, this access function can only realize the access of user to memory device (as USB flash disk, portable hard drive etc.), namely existing router is by supporting that USB interface can only realize the loading of the equipment to USB interface, and the loading of the equipment beyond to USB interface can not be realized, make the function of router comparatively single, limit the extensibility of router.
Summary of the invention
Based on this, be necessary for existing router feature comparatively single, the problem that extensibility is restricted, a kind of router is provided.
For realizing a kind of router that the object of the invention provides, comprise core board and interface board;
Described core board is built-in with route main control chip, and is provided with a SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface;
A described SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface are electrically connected with described route main control chip respectively;
Described interface board is built-in with serial ports conversion chip, and is provided with the 2nd SPI interface, the 2nd RS232 interface, second source input interface, second source output interface, secondary USB interface and RS485/422 interface;
Described serial ports conversion chip is connected electrically between described 2nd RS232 interface and described RS485/422 interface;
Described 2nd SPI interface, the 2nd RS232 interface, second source input interface, second source output interface and secondary USB interface are electrically connected with a described SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface respectively.
Wherein in an embodiment, described interface board is also provided with power supply interface, and described power supply interface is electrically connected with the LAN interface of described interface board; And
Described power supply interface is also electrically connected with described 2nd SPI interface, second source input interface, second source output interface and secondary USB interface;
Described power supply interface is also electrically connected with described 2nd RS232 interface by described serial ports conversion chip.
Wherein in an embodiment, described power supply interface is USB-B interface.
Wherein in an embodiment, the number of described LAN interface is multiple, and described power supply interface is all electrically connected with multiple described LAN interface.
Wherein in an embodiment, the output voltage of described first power output interface is 3.3V, and the input voltage of described second source input interface is 3.3V;
The input voltage of described first power input interface is 12V, and the output voltage of described second source output interface is 12V.
Wherein in an embodiment, described core board is also provided with the 3rd power input interface and wan interface;
One end of described 3rd power input interface and one end of described wan interface are electrically connected with described route main control chip respectively;
The other end of described 3rd power input interface, as the power input of described core board, is applicable to connect power supply;
The other end of described wan interface, as wide area network input, is applicable to connecting wan.
Wherein in an embodiment, the input voltage of described 3rd power input interface is 9V.
Wherein in an embodiment, described core board is also provided with the 3rd USB interface and the 4th USB interface; And described core board is built-in with USB-HUB chip;
One end of one end of described 3rd USB interface, one end of the 4th USB interface and described first USB interface is all electrically connected with described route main control chip by described USB-HUB chip;
The other end of described 3rd USB interface and the other end of described 4th USB interface, be applicable to external storage equipment.
Wherein in an embodiment, described core board is also built-in with flash memory module, memory modules and wireless communication module;
Described flash memory module, memory modules and wireless communication module are electrically connected with described route main control chip respectively.
Wherein in an embodiment, described flash memory module is FLASH chip, and described memory modules is RAM chip, and described wireless communication module is radio frequency chip.
The beneficial effect of above-mentioned router:
It by arranging a SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface on core board, and on interface board, correspondence arranges the 2nd SPI interface, the 2nd RS232 interface, second source input interface, second source output interface and secondary USB interface.Be electrically connected with the 2nd SPI interface, the 2nd RS232 interface, second source input interface, second source output interface and the corresponding of secondary USB interface respectively by a SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface, to realize the electrical connection of core board and interface board.Meanwhile, interface board increases RS485/422 interface is set, and built-in serial ports conversion chip.Wherein, serial ports conversion chip is connected electrically between the 2nd RS232 interface and RS485/422 interface, the electrical connection of the 2nd RA232 interface and RS485/422 interface is realized by serial ports conversion chip, thus be RS485/422 interface by the 2nd RS232 interface conversion, make router under normal use, can be expanded by RS485/422 interface, for user provides more expanded function.Finally achieve the expansion of router interface.Efficiently solve existing router feature comparatively single, the problem that extensibility is restricted.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the core board in router one specific embodiment of the present invention;
Fig. 2 is the internal structure schematic diagram of the interface board in router one specific embodiment of the present invention.
Embodiment
For making technical solution of the present invention clearly, below in conjunction with drawings and the specific embodiments, the present invention is described in further details.
See Fig. 1 and Fig. 2, as a specific embodiment of router of the present invention, it comprises core board 100 and interface board 200.
Wherein, see Fig. 1, core board 100 is built-in with route main control chip 101, and be provided with a SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) interface 102, RS232 interface 103, first power output interface 104, first power input interface 105 and a USB (Universal Serial Bus, USB) interface 106.
Wherein, a SPI interface 102, RS232 interface 103, first power output interface 104, first power input interface 105 and the first usb 1 06 are electrically connected with route main control chip 101 respectively.
See Fig. 2, interface board 200 is built-in with serial ports conversion chip 207, and correspondence is provided with the 2nd SPI interface 201, the 2nd RS232 interface 202, second source input interface 203, second source output interface 204, secondary USB interface 205 and RS485/422 interface 206.
Wherein, serial ports conversion chip 207 is connected electrically between the 2nd RS232 interface 202 and RS485/422 interface 206, and the 2nd RS232 interface 202 is electrically connected with RS485/422 interface 206 by serial ports conversion chip 207.It should be noted that, serial ports conversion chip 207 can be RS232/485 conversion chip.
Further, the 2nd SPI interface 201, the 2nd RS232 interface 202, second source input interface 203, second source output interface 204 and secondary USB interface 205 are electrically connected with a SPI interface 102, RS232 interface 103, first power output interface 104, first power input interface 105 and the first usb 1 06 respectively.
It should be noted that, as an embodiment, the output voltage of the first power output interface 104 is 3.3V, the input voltage of corresponding second source input interface 203 is 3.3V, thus core board 100 is powered to interface board 200 by 3.3V power output interface (i.e. the first power output interface 104).And, the input voltage of the first power input interface 105 is 12V, the output voltage of corresponding second source output interface 204 is 12V, thus interface board 200 is powered to core board 100 by 12V power output interface (i.e. second source output interface 204).
Its SPI interface 102 arranged by core board 100, one RS232 interface 103, first power output interface 104, first power input interface 105 and the first usb 1 06, the two SPI interface 201 that arranges corresponding to interface board 200, 2nd RS232 interface 202, second source input interface 203, second source output interface 204 and secondary USB interface 205 are electrically connected, realize a SPI interface 102 of core board 100, one RS232 interface 103, first power output interface 104, interface board 200 is extended down to outside first power input interface 105 and the first usb 1 06, thus realize the electrical connection of core board 100 and interface board 200.
And, by setting up RS485/422 interface 206 on interface board 200, and built-in serial ports conversion chip 207, serial ports conversion chip 207 is connected electrically between RS485/422 interface 206 and the 2nd RS232 interface 202, thus realizes the electrical connection of the 2nd RS232 interface 202 and RS485/422 interface 206.Because RS485/422 interface 206 can external equipment except USB interface, therefore by arranging RS485/422 interface 206 on the interface board 200 of router, the Function Extension of router is carried out by RS485/422 interface 206, make router can the equipment of carry except USB interface, as enviromental monitoring equipment and sensor, thus reach the object of the environment for use of Real-Time Monitoring router.
Wherein, it should be noted that, by the built-in serial ports conversion chip 207 (can be RS485/422 conversion chip) of interface board 200, thus the 2nd RS232 interface 202 on interface board 200 can be communicated normally with between RS485/422 interface 206, ensure that the reliability of transfer of data.
In addition, as another specific embodiment of router of the present invention, see Fig. 2, its interface board 200 is also provided with power supply interface 208.Wherein, power supply interface 208 is electrically connected with the LAN interface (lan interfaces) 209 of interface board 200.Because power supply interface 208 is as the power input port of interface board 200, for connecting power supply.Therefore, by being directly electrically connected with the LAN interface 209 of interface board 200 by power supply interface 208, after power supply interface 208 is powered, POE (Power Over Ethernet, the Power over Ethernet) function of supplying power of LAN interface 209 can be realized.
Here POE is powered and explain.POE powers and refers to when existing Ethernet Cat.5 wiring architecture does not make any changes, while for some IP-based terminals (as IP telephone machine, wireless local network connecting point AP, web camera etc.) transmission of data signals, the technology of direct current supply can also be provided by kind equipment for this reason.POE can ensure the normal operation of existing network while guaranteeing existing structureization wiring safety, reduces costs to greatest extent.Wherein, POE also can be called as electric power system (POL, Power Over LAN) based on local area network (LAN) or active Ethernet (Active Etherent), is sometimes also called Power over Ethernet for short.
It should be noted that, as a kind of embodiment of the power supply interface 208 that interface board 200 in router of the present invention is arranged, power supply interface 208 can be USB-B interface.By adopting USB-B interface as power supply interface 208, make the USB interface of router to carry out data interaction, power supply exports, can also as power input port, for the LAN interface 209 of interface board 200 realizes POE function of supplying power.
Herein, it is pointed out that the number of the LAN interface 209 of interface board 200 can be multiple.Meanwhile, power supply interface 208 is all electrically connected with multiple LAN interface 209.Concrete, the LAN interface 209 of interface board 200 is preferably four, see Fig. 2, is respectively LAN1 interface 2091, LAN2 interface 2092, LAN3 interface 2093 and LAN4 interface 2094.Power supply interface 208 (i.e. USB-B interface) is directly electrically connected with LAN1 interface 2091, LAN2 interface 2092, LAN3 interface 2093 and LAN4 interface 2094 respectively.
Certainly, as another kind of embodiment, power supply interface 208 also can be USB-A interface or USB-AB interface.Further, see Fig. 2, power supply interface 208 is also electrically connected with the 2nd SPI interface 201, second source input interface 203, second source output interface 204 and secondary USB interface 205.Power supply interface 208 is also electrically connected with the 2nd RS232 interface 202 by serial ports conversion chip 207, thus make power supply interface 208 can not only realize the power supply of interface board, can also load and turn the coupled serial equipment of USB by serial ports, and then make router of the present invention can support the driving of serial equipment.
As the another specific embodiment of router of the present invention, see Fig. 1, the core board 100 of router is also provided with the 3rd power input interface 107 and WAN (Wide Area Network, wide area network, also telenet is claimed, long haul network) interface 108.Wherein, one end of the 3rd power input interface 107 and one end of wan interface 108 are electrically connected with route main control chip 101 respectively.The other end of the 3rd power input interface 107, as the power input of core board 100, is applicable to connect power supply.The other end of wan interface 108, as wide area network input, is applicable to connecting wan.
It, by arranging the 3rd power input interface 107 on core board 100, is directly electrically connected power supply by the 3rd power input interface 107, achieves the external power supply powering mode of router.
Thus, according to any one above-mentioned router of the present invention, the powering mode of router comprises three kinds, is respectively: the external power supply powering mode that the 3rd power input interface 107 arranged by core board 100 is electrically connected with power supply, USB-B type interface powering mode that the power supply interface 208 arranged by interface board 200 is directly electrically connected with power supply and the POE powering mode be directly electrically connected with the LAN interface 209 of interface board 200 by power supply interface 208.
It is pointed out that the interface voltage of its 3rd power input interface 107 is 9V.Namely being 9V by arranging the interface voltage of the 3rd power input interface 107, core board 100 can being realized and powered by plug-in 9V power supply.Circuit connection structure is simple, is easy to realize, and with low cost.
Preferably, as a specific embodiment of router of the present invention, see Fig. 1, its core board 100 is also provided with the 3rd usb 1 09 and the 4th usb 1 10.And core board 100 is built-in with USB-HUB (universal serial bus concentrator) chip 111.Wherein, one end of one end of the 3rd usb 1 09, one end of the 4th usb 1 10 and the first usb 1 06 is all electrically connected with route main control chip 101 by USB-HUB chip 111.The other end of the 3rd usb 1 09 and the other end of the 4th usb 1 10, be applicable to external storage equipment, to provide the effect of exented memory capacity.
Namely by arranging USB-HUB chip 111 to core board 100, thus router of the present invention is made can to provide 3 tunnel USB interface.And by the 3rd usb 1 09 and the 4th usb 1 10 external storage equipment respectively, as USB flash disk, portable hard drive etc., realize router by the access of USB interface to memory device, and reach the object of the memory size of expansion router.
In addition, the core board 100 of router of the present invention is also built-in with the flash memory module 112, memory modules 113 and the wireless communication module 114 that are electrically connected with route main control chip 101.Wherein, flash memory module 112 can be FLASH chip, and memory modules 113 can be RAM (Random-Access Memory, random access memory) chip, and wireless communication module 114 can be radio frequency (Radio Frequency) chip.
Router of the present invention is wireless router, it by setting up RS485/422 interface 206 on the interface board 200 of router, and at the built-in serial ports conversion chip 207 of interface board 200, between the RS485/422 interface 206 serial ports conversion chip 207 being connected electrically in set up and the 2nd RS232 interface 202 of interface board 200.Thus make router of the present invention while support cable network, wireless network, also RS485/422 interface 206 is supported, make router under normal use, expand by RS485/422 interface 206, for user provides more expanded function.Further, also achieving router can not only the equipment of carry USB interface, can also load the equipment beyond USB interface, as enviromental monitoring equipment, sensor.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a router, is characterized in that, comprises core board and interface board;
Described core board is built-in with route main control chip, and is provided with a SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface;
A described SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface are electrically connected with described route main control chip respectively;
Described interface board is built-in with serial ports conversion chip, and is provided with the 2nd SPI interface, the 2nd RS232 interface, second source input interface, second source output interface, secondary USB interface and RS485/422 interface;
Described serial ports conversion chip is connected electrically between described 2nd RS232 interface and described RS485/422 interface;
Described 2nd SPI interface, the 2nd RS232 interface, second source input interface, second source output interface and secondary USB interface are electrically connected with a described SPI interface, a RS232 interface, the first power output interface, the first power input interface and the first USB interface respectively.
2. router according to claim 1, is characterized in that, described interface board is also provided with power supply interface, and described power supply interface is electrically connected with the LAN interface of described interface board; And
Described power supply interface is also electrically connected with described 2nd SPI interface, second source input interface, second source output interface and secondary USB interface;
Described power supply interface is also electrically connected with described 2nd RS232 interface by described serial ports conversion chip.
3. router according to claim 2, is characterized in that, described power supply interface is USB-B interface.
4. router according to claim 2, is characterized in that, the number of described LAN interface is multiple, and described power supply interface is all electrically connected with multiple described LAN interface.
5. router according to claim 1, is characterized in that, the output voltage of described first power output interface is 3.3V, and the input voltage of described second source input interface is 3.3V;
The input voltage of described first power input interface is 12V, and the output voltage of described second source output interface is 12V.
6. router according to claim 1, is characterized in that, described core board is also provided with the 3rd power input interface and wan interface;
One end of described 3rd power input interface and one end of described wan interface are electrically connected with described route main control chip respectively;
The other end of described 3rd power input interface, as the power input of described core board, is applicable to connect power supply;
The other end of described wan interface, as wide area network input, is applicable to connecting wan.
7. router according to claim 6, is characterized in that, the input voltage of described 3rd power input interface is 9V.
8. router according to claim 1, is characterized in that, described core board is also provided with the 3rd USB interface and the 4th USB interface; And described core board is built-in with USB-HUB chip;
One end of one end of described 3rd USB interface, one end of the 4th USB interface and described first USB interface is all electrically connected with described route main control chip by described USB-HUB chip;
The other end of described 3rd USB interface and the other end of described 4th USB interface, be applicable to external storage equipment.
9. the router according to any one of claim 1 to 8, is characterized in that, described core board is also built-in with flash memory module, memory modules and wireless communication module;
Described flash memory module, memory modules and wireless communication module are electrically connected with described route main control chip respectively.
10. router according to claim 9, is characterized in that, described flash memory module is FLASH chip, and described memory modules is RAM chip, and described wireless communication module is radio frequency chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124745.3A CN104683251A (en) | 2015-03-20 | 2015-03-20 | Router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124745.3A CN104683251A (en) | 2015-03-20 | 2015-03-20 | Router |
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| Publication Number | Publication Date |
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| CN104683251A true CN104683251A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510124745.3A Pending CN104683251A (en) | 2015-03-20 | 2015-03-20 | Router |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697995A (en) * | 2020-06-24 | 2020-09-22 | 京东方科技集团股份有限公司 | Communication module |
| CN114422869A (en) * | 2021-12-28 | 2022-04-29 | 江苏德联达智能科技有限公司 | Connect formula intelligent gateway soon |
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| CN1969515A (en) * | 2004-06-29 | 2007-05-23 | 美商内数位科技公司 | System and method for call routing and paging across different types of networks |
| CN201639784U (en) * | 2010-01-13 | 2010-11-17 | 厦门四信通信科技有限公司 | Multifunctional 3G/3.5G wireless integrated gateway |
| CN104021042A (en) * | 2014-06-18 | 2014-09-03 | 哈尔滨工业大学 | Heterogeneous multi-core processor based on ARM, DSP and FPGA and task scheduling method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1969515A (en) * | 2004-06-29 | 2007-05-23 | 美商内数位科技公司 | System and method for call routing and paging across different types of networks |
| CN1859341A (en) * | 2006-06-08 | 2006-11-08 | 上海交通大学 | Radio virtual special net router |
| CN201639784U (en) * | 2010-01-13 | 2010-11-17 | 厦门四信通信科技有限公司 | Multifunctional 3G/3.5G wireless integrated gateway |
| CN104021042A (en) * | 2014-06-18 | 2014-09-03 | 哈尔滨工业大学 | Heterogeneous multi-core processor based on ARM, DSP and FPGA and task scheduling method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111697995A (en) * | 2020-06-24 | 2020-09-22 | 京东方科技集团股份有限公司 | Communication module |
| CN111697995B (en) * | 2020-06-24 | 2022-04-15 | 京东方科技集团股份有限公司 | Communication module |
| CN114422869A (en) * | 2021-12-28 | 2022-04-29 | 江苏德联达智能科技有限公司 | Connect formula intelligent gateway soon |
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