CN202696645U - Modularized and channelized Ethernet gateway - Google Patents

Modularized and channelized Ethernet gateway Download PDF

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Publication number
CN202696645U
CN202696645U CN 201220399760 CN201220399760U CN202696645U CN 202696645 U CN202696645 U CN 202696645U CN 201220399760 CN201220399760 CN 201220399760 CN 201220399760 U CN201220399760 U CN 201220399760U CN 202696645 U CN202696645 U CN 202696645U
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China
Prior art keywords
ethernet gateway
modular
channelizing
controller
data acquisition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN 201220399760
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Chinese (zh)
Inventor
徐晓青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Simai Science and Technology Development Co Ltd
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Chengdu Simai Science and Technology Development Co Ltd
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Priority to CN 201220399760 priority Critical patent/CN202696645U/en
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Publication of CN202696645U publication Critical patent/CN202696645U/en
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Abstract

The utility model discloses a modularized and channelized Ethernet gateway, which comprises an RAM processor, and an A/D conversion circuit, a CAN controller and a CPLD serial port management module which are electrically and respectively connected with the RAM processor. The A/D conversion circuit is connected with a data acquisition module, the CAN controller is connected with a CAN interface, and the CPLD serial port management module is connected with multiple expansion serial ports. The modularized and channelized Ethernet gateway has the advantages that multiple serial port expansion interfaces are provided, conversion from CAN to TCP/IP communication protocols is realized, remote monitoring and managing of industrial on-site equipment are realized, and the gateway has strong anti-interference capability.

Description

Modular channelizing ethernet gateway
Technical field
The utility model relates to a kind of protocol converter, is specifically related to a kind of modular channelizing ethernet gateway.
Background technology
Along with the arrival of the age of Internet economy, be widely used based on the application of the IP network of ICP/IP protocol, utilize Internet resources can realize the network insertion of equipment, the equipment networking monitoring has become the development trend of automation.Especially aspect the various fields such as Industry Control, data acquisition or industrial monitoring, the multiple devices that all can use the scene are connected together, and carry out the automation networking monitoring.For example, in the control of the industrial production in modern times, need simultaneously the Monitoring and Controlling multiple devices or gather simultaneously several data, and the serial ports number of common desktop computer, notebook computer etc. itself is limited, can not satisfy the needs of industry.When communicating, multiple devices communicate, and its communication protocol is different, need its agreement is changed, and can intercom mutually.
The utility model content
The utility model has overcome the deficiencies in the prior art, a kind of modular channelizing ethernet gateway is provided, this protocol converter can provide a plurality of serial ports expansion interfaces, the transformation of realization from CAN to the TCP/IP communications protocol, realization is to remote monitoring and the management of industrial field device, and this equipment antijamming capability is strong.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of modular channelizing ethernet gateway, it is characterized in that: it comprises RAM processor and the A/D change-over circuit, CAN controller, the CPLD serial interface management that are electrically connected with the RAM processor respectively, also be connected with data acquisition module on the described A/D change-over circuit, also be connected with the CAN interface on the described CAN controller, be connected with a plurality of extended serial ports on the described CPLD serial interface management.
Further technical scheme is:
Be connected with display and power module on the described RAM processor.
Described RAM processor is AT91RM9200.
Described CPLD serial interface management realized by the 16C554 chip, and realizes the management of many serial ports interrupt source by a slice EPM7064, utilizes interrupt source to manage a plurality of extended serial ports.
Described data acquisition module is controlled by the ADS7842 chip, by the selection of DG506 chip realization to the data acquisition channel.
Described CAN controller is by the SJA1000 chip controls.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model can be expanded a plurality of serial ports, can carry out long-distance on-line monitoring and management to many industrial field devices.
2, the utility model utilizes serial port, makes its exploitation simple, reliability is strong, strong interference immunity.
3, the utility model structural module is convenient to safeguard.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is modular structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.Execution mode of the present utility model includes but not limited to the following example.
Embodiment
A kind of modular channelizing ethernet gateway as shown in Figure 1, it comprises RAM processor and the A/D change-over circuit, CAN controller, the CPLD serial interface management that are electrically connected with the RAM processor respectively, also be connected with data acquisition module on the A/D change-over circuit, also be connected with the CAN interface on the CAN controller, be connected with a plurality of extended serial ports on the CPLD serial interface management.Be connected with display and power module on the RAM processor.The RAM processor is AT91RM9200.The CPLD serial interface management realized by the 16C554 chip, and realizes the management of many serial ports interrupt source by a slice EPM7064, utilizes interrupt source to manage a plurality of extended serial ports.Data acquisition module is controlled by the ADS7842 chip, by the selection of DG506 chip realization to the data acquisition channel.The CAN controller is by the SJA1000 chip controls.
According to the above embodiments, can well finish the utility model.
Be as mentioned above embodiment of the present utility model.The utility model is not limited to above-mentioned execution mode, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection range of the present utility model.

Claims (6)

1. modular channelizing ethernet gateway, it is characterized in that: it comprises RAM processor and the A/D change-over circuit, CAN controller, the CPLD serial interface management that are electrically connected with the RAM processor respectively, also be connected with data acquisition module on the described A/D change-over circuit, also be connected with the CAN interface on the described CAN controller, be connected with a plurality of extended serial ports on the described CPLD serial interface management.
2. modular channelizing ethernet gateway according to claim 1 is characterized in that: be connected with display and power module on the described RAM processor.
3. modular channelizing ethernet gateway according to claim 1 and 2, it is characterized in that: described RAM processor is AT91RM9200.
4. modular channelizing ethernet gateway according to claim 1 and 2, it is characterized in that: described CPLD serial interface management is realized by the 16C554 chip, and realized many serial ports interrupt source management utilizing interrupt source to manage a plurality of extended serial ports by a slice EPM7064.
5. modular channelizing ethernet gateway according to claim 1 and 2, it is characterized in that: described data acquisition module is controlled by the ADS7842 chip, realizes selection to the data acquisition channel by the DG506 chip.
6. modular channelizing ethernet gateway according to claim 1 and 2, it is characterized in that: described CAN controller is by the SJA1000 chip controls.
CN 201220399760 2012-08-14 2012-08-14 Modularized and channelized Ethernet gateway Expired - Fee Related CN202696645U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220399760 CN202696645U (en) 2012-08-14 2012-08-14 Modularized and channelized Ethernet gateway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220399760 CN202696645U (en) 2012-08-14 2012-08-14 Modularized and channelized Ethernet gateway

Publications (1)

Publication Number Publication Date
CN202696645U true CN202696645U (en) 2013-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220399760 Expired - Fee Related CN202696645U (en) 2012-08-14 2012-08-14 Modularized and channelized Ethernet gateway

Country Status (1)

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CN (1) CN202696645U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103312712A (en) * 2013-06-14 2013-09-18 成都思迈科技发展有限责任公司 E1 protocol converter provided with multiple interfaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103312712A (en) * 2013-06-14 2013-09-18 成都思迈科技发展有限责任公司 E1 protocol converter provided with multiple interfaces

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130123

Termination date: 20130814