CN210895068U

CN210895068U - EtherCAT-TSN industrial Ethernet architecture system

Info

Publication number: CN210895068U
Application number: CN201922015267.9U
Authority: CN
Inventors: 邵忠良; 陈镜先; 王思婷; 邓桂芳
Original assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Current assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-06-30
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses an EtherCAT-TSN industry ethernet framework system, including ethernet switch, ethernet power supply unit, EtherCAT TSN coupler, a plurality of ethernet distributor unit and a plurality of field devices, wherein, the ethernet switch is connected with ethernet power supply unit and EtherCAT TSN coupler respectively, and the output of EtherCAT TSN coupler is connected with the input of a plurality of ethernet distributor units, and the output of ethernet distributor unit is connected with a plurality of field devices; the Ethernet switch comprises a processor, an interface module, a G wireless transmission module, a storage module and a serial port communication module. Has the advantages that: the Ethernet communication speed can be improved, the cost of an Ethernet power supply system is reduced, the advantages of the EtherCAT and the TSN are perfectly combined together, the TSN function is supported, and the delay caused by a switch in the Ethernet can be minimized.

Description

EtherCAT-TSN industrial Ethernet architecture system

Technical Field

The utility model relates to an industrial ethernet technical field particularly, relates to an etherCAT-TSN industrial ethernet framework system.

Background

With the continuous development of information technology, information exchange technology covers various industries. In the field of automation, more and more enterprises need to establish a comprehensive automation network management and control platform comprising various levels from a factory field device layer to a control layer, a management layer and the like. The Ethernet has the advantages of high transmission rate, rich network software, simple installation and connection, convenient use and maintenance and the like, and the industrial Ethernet provides an Ethernet standard aiming at the data transmission of the manufacturing control network. The technology is based on industrial standards, utilizes a switched Ethernet structure, has high network security, operability and effectiveness, and meets the requirements of users and manufacturers to the maximum extent.

However, all existing industrial ethernet switch products can only support wired applications, and cannot transmit data such as alarm and traffic information to a designated receiving end in real time through a wireless network.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

To the problem in the correlation technique, the utility model provides an etherCAT-TSN industry ethernet framework system to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

an EtherCAT-TSN industrial Ethernet architecture system comprises an Ethernet switch, an Ethernet power supply unit, an EtherCAT TSN coupler, a plurality of Ethernet distributor units and a plurality of field devices, wherein the Ethernet switch is respectively connected with the Ethernet power supply unit and the EtherCAT TSN coupler, the output end of the EtherCAT TSN coupler is connected with the input ends of the Ethernet distributor units, and the output end of the Ethernet distributor unit is connected with the field devices;

the Ethernet switch comprises a processor, an interface module, a 4G wireless transmission module, a storage module and a serial port communication module, wherein the processor is sequentially electrically connected with the interface module, the 4G wireless transmission module, the storage module and the serial port communication module.

Further, the ethernet switch and the EtherCAT TSN coupler and the EtherCAT ttsn coupler and the ethernet distributor units are connected by industrial ethernet communication lines.

Furthermore, the interface module comprises an ethernet interface I, an ethernet interface II, a slave station information interface, a program interface and a USB interface, and the ethernet interface I, the ethernet interface II, the slave station information interface, the program interface and the USB interface are all electrically connected with the processor through the interface module.

Further, the memory module comprises a Nand Flash memory and an SDRAM memory.

Further, the chip model of the Nand Flash memory is K9F2G08U0B, and the chip model of the SDRAM memory is K4S281632K-UC 60.

Further, the USB interface includes an external expansion interface and a debug interface.

The utility model has the advantages that:

1. through the use of the 4G wireless transmission unit, the Ethernet communication speed can be improved, the service length of an industrial Ethernet cable is greatly saved by using the wireless fidelity Wi-Fi data receiving and transmitting unit, the cost of an Ethernet power supply system is reduced, and the reliable and stable operation of the Ethernet in a severe and dangerous industrial environment is ensured.

2. The advantages of EtherCAT and TSN are perfectly combined through the EtherCAT TSN coupler, the TSN (time sensitive network) function is supported, the delay caused by a switch in the Ethernet can be minimized, and various EtherCAT I/O terminal modules and other EtherCAT equipment can be used in the TSN network environment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an EtherCAT-TSN industrial ethernet architecture system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a processor in an EtherCAT-TSN industrial ethernet architecture system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an interface module in an EtherCAT-TSN industrial ethernet architecture system according to an embodiment of the present invention.

In the figure:

1. an Ethernet switch; 101. a processor; 102. an interface module; 1021. an Ethernet interface I; 1022. a second Ethernet interface; 1023. a slave station information interface; 1024. a program interface; 1025. a USB interface; 103. a 4G wireless transmission module; 104. a reservoir module; 105. a serial port communication module; 2. a power over Ethernet unit; 3. an EtherCAT TSN coupler; 4. an Ethernet distributor unit; 5. a field device.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the embodiment of the utility model, an etherCAT-TSN industry ethernet framework system is provided.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, an EtherCAT-TSN industrial ethernet architecture system according to an embodiment of the present invention includes an ethernet switch 1, an ethernet power supply unit 2, an EtherCAT TSN coupler 3, a plurality of ethernet distributor units 4, and a plurality of field devices 5, wherein the ethernet switch 1 is connected to the ethernet power supply unit 2 and the EtherCAT TSN coupler 3, respectively, an output terminal of the EtherCAT TSN coupler 3 is connected to input terminals of the plurality of ethernet distributor units 4, and an output terminal of the ethernet distributor unit 4 is connected to the plurality of field devices 5; in specific application, the EtherCAT TSN coupler 3 serves as a first device in an EtherCAT network segment and provides two ethernet interfaces. One of the 100Mbit/s ports connects the coupler to the ethernet or TSN network. The second port can be used to selectively integrate other remote EtherCAT devices. The EK1000 ensures that messages are transmitted from the TSN to the EtherCAT port with minimal delay. Thus, mature EtherCAT functions, such as distributed clock and XFC extreme speed control functions, or communications with EtherCAT drivers, may also be used in TSN networks. In networks without TSN extensions, bus couplers may also be used to integrate EtherCAT networks with standard ethernet networks.

The ethernet switch 1 includes a processor 101 (S3C 6410), an interface module 102, a 4G wireless transmission module 103, a storage module 104, and a serial communication module 105, where the processor 101 is electrically connected to the interface module 102, the 4G wireless transmission module 103, the storage module 104, and the serial communication module 105 in sequence. Specifically, the S3C6410 is a 16-bit/32-bit RISC microprocessor produced by samsung corporation, and is an application processor with cost effectiveness, low power consumption, and high performance.

By means of the technical scheme, the advantages of the EtherCAT and the TSN are perfectly combined through the EtherCAT TSN coupler 3, the TSN (time sensitive network) function is supported, delay caused by a switch in the Ethernet can be minimized, and various EtherCAT I/O terminal modules and other EtherCAT equipment can be used in the TSN network environment.

In one embodiment, the ethernet switch 1 and the EtherCAT TSN coupler 3 and the ethernet distributor units 4 are connected by industrial ethernet communication lines.

In one embodiment, the interface module 102 includes a first ethernet interface 1021, a second ethernet interface 1022, a slave information interface 1023, a program interface 1024, and a USB interface 1025, and the first ethernet interface 1021, the second ethernet interface 1022, the slave information interface 1023, the program interface 1024, and the USB interface 1025 are electrically connected to the processor through the interface module 102. In specific application, the first ethernet interface 1021 and the second ethernet interface 1022 are used for supporting the dual network card redundancy function of the EtherCAT master station, so that the reliability of the system is improved, and a DM9000E network interface card is selected. The EtherCAT network topology structure is generally a ring network topology, when a network connected with one network card of a master station is disconnected, data can still be transmitted and received by the other network card, and a control task in operation cannot be interrupted.

In one embodiment, the memory module 104 includes Nand Flash memory and SDRAM memory.

In one embodiment, the chip model of the Nand Flash memory is K9F2G08U0B, and the chip model of the SDRAM memory is K4S281632K-UC 60.

In one embodiment, the USB interface 1025 comprises an external expansion interface USB port and a debug interface USB otg.

To sum up, with the help of the above technical scheme of the utility model, through 4G wireless transmission unit 103's use for it not only can improve ethernet communication speed, uses wireless fidelity Wi-Fi data transceiver unit to practice thrift industrial ethernet cable's use length greatly moreover, has reduced ethernet power supply system's cost, and makes and guarantee the reliable and stable operation of ethernet in abominable dangerous industrial environment.

Furthermore, the utility model discloses an etherCAT TSN coupler 3 combines the advantage of etherCAT and TSN network together perfectly, supports TSN (time sensitive network) function, can minimize the delay that switch arouses in the ethernet to can use various etherCAT I/O terminal module and other etherCAT equipment in TSN network environment.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An EtherCAT-TSN industrial Ethernet architecture system is characterized by comprising an Ethernet switch (1), a power over Ethernet unit (2), an EtherCAT TSN coupler (3), a plurality of Ethernet distributor units (4) and a plurality of field devices (5), wherein the Ethernet switch (1) is respectively connected with the power over Ethernet unit (2) and the EtherCAT TSN coupler (3), the output end of the EtherCAT TSN coupler (3) is connected with the input ends of the Ethernet distributor units (4), and the output end of the Ethernet distributor unit (4) is connected with the field devices (5);

the Ethernet switch (1) comprises a processor (101), an interface module (102), a 4G wireless transmission module (103), a storage module (104) and a serial port communication module (105), wherein the processor (101) is electrically connected with the interface module (102), the 4G wireless transmission module (103), the storage module (104) and the serial port communication module (105) in sequence.

2. The EtherCAT-TSN industrial Ethernet architecture system according to claim 1, wherein the Ethernet switch (1) and the EtherCAT TSN coupler (3) and the Ethernet distributor units (4) are all connected by industrial Ethernet communication lines.

3. The EtherCAT-TSN industrial Ethernet architecture system of claim 1, wherein the interface module (102) comprises a first Ethernet interface (1021), a second Ethernet interface (1022), a slave information interface (1023), a program interface (1024), and a USB interface (1025), wherein the first Ethernet interface (1021), the second Ethernet interface (1022), the slave information interface (1023), the program interface (1024), and the USB interface (1025) are electrically connected to the processor through the interface module (102).

4. An EtherCAT-TSN industrial Ethernet architecture system according to claim 3, characterized in that the memory module (104) comprises Nand Flash memory and SDRAM memory.

5. The EtherCAT-TSN industrial Ethernet architecture system according to claim 4, wherein the chip model of the Nand Flash memory is K9F2G08U0B, and the chip model of the SDRAM memory is K4S281632K-UC 60.

6. The EtherCAT-TSN industrial Ethernet architecture system according to claim 3, wherein the USB interface (1025) comprises an external expansion interface and a debug interface.