CN203251318U - Gateway device capable of realizing communication enabled by mutual conversion between RS485, CAN, nRF and Ethernet - Google Patents
Gateway device capable of realizing communication enabled by mutual conversion between RS485, CAN, nRF and Ethernet Download PDFInfo
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- CN203251318U CN203251318U CN 201320259818 CN201320259818U CN203251318U CN 203251318 U CN203251318 U CN 203251318U CN 201320259818 CN201320259818 CN 201320259818 CN 201320259818 U CN201320259818 U CN 201320259818U CN 203251318 U CN203251318 U CN 203251318U
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Abstract
The utility model relates to a gateway device, particularly a gateway device capable of realizing communication enabled by mutual conversion between RS485, CAN, nRF and Ethernet. The gateway device comprises a controller as well as a 485 interfaces, a CAN interface, a serial interface, an AD conversion chip, a power source conversion chip, a real-time clock chip, a cache chip, an nRF module, an Ethernet module and a data storage module which are respectively connected with the controller. According to the gateway device of the utility model, the nRF module and the Ethernet module are inserted into corresponding insertion slots; mutual conversion between the RS485, the CAN, the nRF and the Ethernet can be realized through the controller, and a data communication function can be realized, and a user can increase the functions of the gateway device through programming.
Description
Technical field
The utility model relates to a kind of gateway apparatus, specifically a kind of mutually communication gate of conversion of RS485, CAN, nRF and Ethernet multiple communication interface that relates to.
Background technology
Wired and wireless communication technology is applied in the transmission field of data acquisition and the control of equipment widely.Equipment interface is more and more multiple various, therefore, needs the different agreement conversion equipment to carry out the conversion of data, thereby reaches the purpose of effective transmission.Existing gateway apparatus function ratio is more single, only is provided with one to two kind of interface.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides the gateway apparatus of a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet, has multiple interfaces, has realized the conversion of RS485 and Ethernet protocol; The conversion of RS485 and nRF agreement; The conversion of CAN agreement and Ethernet protocol; The conversion of CAN agreement and nRF agreement; The conversion of Ethernet protocol and nRF agreement, and the apparatus system parameter is configurable.
The utility model is realized with following technical scheme: a kind of RS485, CAN, the gateway apparatus of nRF and the mutual converts communications of Ethernet, comprise for the sending and receiving image data, adjust self system time, receive, the controller of analysis and transmitting apparatus feedback information, be connected 485 interfaces that are used for connecting on-the-spot 485 buses with controller, be connected the CAN interface that is used for connecting on-the-spot CAN bus with controller, be connected the serial interface that is used for finishing to the initiation parameter setting of device with controller, be connected for analog-to-digital AD conversion chip with controller, be connected the nRF module that is used for connecting wireless network with controller, be connected the ethernet module that is used for connecting Ethernet with controller, be connected the real-time timepiece chip that is used for timing or timing with controller, be connected the data memory module that is used for the data storage with controller; Be used for 220v is changed the power conversion chip of 5v or 3.3v for above-mentioned each module for power supply.
The beneficial effects of the utility model are: by nRF module, ethernet module are inserted on the associated socket, by controller realize RS485, CAN, nRF, Ethernet in twos agreement change mutually and finish the function of data communication, the user can increase by programming the use of device.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model theory diagram;
Fig. 2 is a kind of enforcement illustration of Fig. 1;
Fig. 3 is the utility model operational flowchart.
Embodiment
As shown in Figure 1, the gateway apparatus of a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet has a controller, 485 interfaces, CAN interface, serial interface, AD conversion chip, power conversion chip, real-time timepiece chip, cache chip, nRF module, ethernet module and data memory module.Wherein, described controller, 485 interfaces, CAN interface, serial interface, AD conversion chip, power conversion chip, real-time timepiece chip, cache chip, nRF module, ethernet module, data memory module is connected.Described power conversion chip is used for 220v conversion 5v or 3.3v power supply.Described clock chip is used for timing.Described AD conversion chip is used for analog-to-digital conversion.Described nRF module is used for connecting the described ethernet module of wireless network and is used for connecting Ethernet.Described control module is used for the sending and receiving image data, adjusts self system time, reception, analysis and transmitting apparatus feedack.Described RS485 chip is connected by 485 interfaces with on-the-spot 485 buses.Described RS485 chip refers to the RS485 conversion chip, and controller is connected by the RS485 chip with on-the-spot 485 buses.
As shown in Figure 2, described controller adopts STC89S52, the cache chip that data cushioned when controller connection one was used for for the speed asymmetric communication.
Described CAN interface comprises CAN controller and CAN transceiver, and controller is connected with the CAN controller, and the CAN controller is connected with the CAN transceiver, and the CAN transceiver is connected with on-the-spot CAN bus; The CAN controller adopts CAN chip MCP2510, and the CAN transceiver adopts TJA1050.
Described 485 interfaces adopt MAX485, and controller is connected by the RS485 chip with on-the-spot 485 buses.
Described serial interface adopts serial port chip MAX232, is connected with 232 interfaces.
Described nRF module adopts nRF chip 24L01, links to each other by slot controller pin interface corresponding to mainboard.
Described ethernet module adopts network interface chips W 5100, and the pin interface corresponding with mainboard by slot connects.
Because nRF communication and ethernet communication adopt the slot design, by the insert module practical function, reduce unnecessary interference and have improved cost performance.
485 interfaces are connected to 485 buses, and the CAN interface is connected to the CAN bus, or ethernet module is inserted on the slot, or the nRF module is inserted on the slot, and the ethernet module network interface is linked to each other with the network switch, finish the physical connection of the front equipment of protocol conversion and hardware.
By serial interface finish to the device the initiation parameter setting, with parameter by serial interface to the setting of the baud rate of 485 chips/CAN bus chip/nRF module, position of rest, data bit, verification mode and to the setting of the network-related parameters such as the IP address of network interface, gateway, DNS, and 485 chips/CAN bus chip and Ethernet interface or the corresponding register of nRF be configured.
As shown in Figure 3, the operational mode of selection equipment (RS485-CAN pattern, RS485-Ethernet pattern, CAN-Ethernet pattern, the CAN-nRF pattern, RS485-nRF pattern and nRF-Ethernet pattern), whether list needs to carry out the parameter setting, then can arrange according to the user such as needs, otherwise read default parameters, the initial work of the ethernet module in the finishing device, nRF module, 485 chips and CAN chip.Start protocol convertor, obtain the initial address of equipment, the information such as data length are combined into the information such as corresponding command frame, finish protocol conversion work.
This gateway apparatus is a kind of user-programmable, Modbus agreement and CAN protocol conversion is become the converter device of nRF agreement, TCP/IP agreement, has realized the conversion of RS485 and Ethernet protocol; The conversion of RS485 and nRF agreement; The conversion of CAN agreement and Ethernet protocol; The conversion of CAN agreement and nRF agreement; The conversion of Ethernet protocol and nRF agreement, and the apparatus system parameter is configurable.By control RS485 or CAN bus
The blanking time of frame ordering, the data rate of indirectly control ethernet side; Adaptively selected transmission speed 10Mb/s
Or 100Mb/s.
Claims (7)
1. RS485, CAN, the gateway apparatus of nRF and the mutual converts communications of Ethernet, it is characterized in that: comprise for the sending and receiving image data, adjust self system time, receive, the controller of analysis and transmitting apparatus feedback information, be connected 485 interfaces that are used for connecting on-the-spot 485 buses with controller, be connected the CAN interface that is used for connecting on-the-spot CAN bus with controller, be connected the serial interface that is used for finishing to the initiation parameter setting of device with controller, be connected for analog-to-digital AD conversion chip with controller, be connected the nRF module that is used for connecting wireless network with controller, be connected the ethernet module that is used for connecting Ethernet with controller, be connected the real-time timepiece chip that is used for timing or timing with controller, be connected the data memory module that is used for the data storage with controller; Be used for 220v is changed the power conversion chip of 5v or 3.3v for above-mentioned each module for power supply.
2. the gateway apparatus of described a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet according to claim 1, it is characterized in that: described controller adopts STC89S52, the cache chip that data cushioned when controller connection one was used for for the speed asymmetric communication.
3. the gateway apparatus of described a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet according to claim 1 and 2, it is characterized in that: described CAN interface comprises CAN controller and CAN transceiver, controller is connected with the CAN controller, the CAN controller is connected with the CAN transceiver, and the CAN transceiver is connected with on-the-spot CAN bus; The CAN controller adopts CAN chip MCP2510, and the CAN transceiver adopts TJA1050.
4. according to claim 1 or the gateway apparatus of 2 described a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet, it is characterized in that: described 485 interfaces adopt MAX485, and controller is connected by the RS485 chip with on-the-spot 485 buses.
5. according to claim 1 or the gateway apparatus of 2 described a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet, it is characterized in that: described serial interface adopts serial port chip MAX232, is connected with 232 interfaces.
6. according to claim 1 or the gateway apparatus of 2 described a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet, it is characterized in that: described nRF module adopts nRF chip 24L01, and is continuous by slot controller pin interface corresponding to mainboard.
7. according to claim 1 or the gateway apparatus of 2 described a kind of RS485, CAN, nRF and the mutual converts communications of Ethernet, it is characterized in that: described ethernet module adopts network interface chips W 5100, by the slot pin interface connection corresponding with mainboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320259818 CN203251318U (en) | 2013-05-13 | 2013-05-13 | Gateway device capable of realizing communication enabled by mutual conversion between RS485, CAN, nRF and Ethernet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320259818 CN203251318U (en) | 2013-05-13 | 2013-05-13 | Gateway device capable of realizing communication enabled by mutual conversion between RS485, CAN, nRF and Ethernet |
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| CN203251318U true CN203251318U (en) | 2013-10-23 |
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| CN 201320259818 Expired - Fee Related CN203251318U (en) | 2013-05-13 | 2013-05-13 | Gateway device capable of realizing communication enabled by mutual conversion between RS485, CAN, nRF and Ethernet |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103716217A (en) * | 2013-12-24 | 2014-04-09 | 安徽旗翔科技发展有限公司 | Intelligent data repeater based on CAN bus technology |
| CN104618230A (en) * | 2015-02-11 | 2015-05-13 | 成都福立盟科技有限公司 | Data gateway communication system on industrial field |
| CN110825684A (en) * | 2019-11-15 | 2020-02-21 | 广州健飞通信有限公司 | Serial port interface integrated output system |
| CN113766189A (en) * | 2021-09-07 | 2021-12-07 | 深圳市中科联合通信技术有限公司 | Low-delay communication device for converting 5G NR 3GPP mobile data into RS485 mobile data |
| CN114039806A (en) * | 2021-10-17 | 2022-02-11 | 通号万全信号设备有限公司 | Wireless monitoring system and method for annunciator |
| CN114710380A (en) * | 2022-03-21 | 2022-07-05 | 上海电力大学 | Gateway system based on double-wire Ethernet |
-
2013
- 2013-05-13 CN CN 201320259818 patent/CN203251318U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103716217A (en) * | 2013-12-24 | 2014-04-09 | 安徽旗翔科技发展有限公司 | Intelligent data repeater based on CAN bus technology |
| CN104618230A (en) * | 2015-02-11 | 2015-05-13 | 成都福立盟科技有限公司 | Data gateway communication system on industrial field |
| CN110825684A (en) * | 2019-11-15 | 2020-02-21 | 广州健飞通信有限公司 | Serial port interface integrated output system |
| CN113766189A (en) * | 2021-09-07 | 2021-12-07 | 深圳市中科联合通信技术有限公司 | Low-delay communication device for converting 5G NR 3GPP mobile data into RS485 mobile data |
| CN114039806A (en) * | 2021-10-17 | 2022-02-11 | 通号万全信号设备有限公司 | Wireless monitoring system and method for annunciator |
| CN114039806B (en) * | 2021-10-17 | 2023-05-12 | 通号万全信号设备有限公司 | Wireless monitoring system and method for annunciator |
| CN114710380A (en) * | 2022-03-21 | 2022-07-05 | 上海电力大学 | Gateway system based on double-wire Ethernet |
| CN114710380B (en) * | 2022-03-21 | 2023-08-04 | 上海电力大学 | Gateway system based on two-wire Ethernet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131023 Termination date: 20140513 |