CN201467154U - Industrial data network communication bus system - Google Patents
Industrial data network communication bus system Download PDFInfo
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- CN201467154U CN201467154U CN2009200615570U CN200920061557U CN201467154U CN 201467154 U CN201467154 U CN 201467154U CN 2009200615570 U CN2009200615570 U CN 2009200615570U CN 200920061557 U CN200920061557 U CN 200920061557U CN 201467154 U CN201467154 U CN 201467154U
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Abstract
The utility model discloses an industrial data network communication bus system, which relates to the technical field of industrial data communication. The industrial data network communication bus system comprises an industrial field device, an industrial data bus destination node device and at least one group of elastic grouping ring device, wherein the elastic grouping ring device comprises an industrial data bus sub-node device and an industrial data bus convergent point device; the industrial data bus sub-node device comprises an elastic grouping ring frame conversion unit; a line interface of the industrial data bus sub-node device is connected with a line interface of the industrial data bus convergent point device through an elastic grouping ring; a service interface of the industrial data bus sub-node device is connected with the industrial field device and the industrial data bus convergent point device is connected with the industrial data bus termination node device. The industrial data network communication bus system transmits industrial data and network management data through the elastic grouping ring, the devices have good compatibility and high reliability, and the data transmission speed is fast.
Description
Technical field
The utility model relates to the industrial data communication technical field, relates in particular to a kind of industrial data network service bus system.
Background technology
Industrial data communication has that Regional Distribution is wide, node disperses, characteristics such as environment is abominable, reliability requirement height.Industrial dataway system comprises industry data bus equipment and industrial field device, industrial field device is used for collection/input industrial data, and industrial data is transferred to industry data bus equipment, can carry out the transmission of industrial data between the industry data bus equipment; For the power distribution communication network, industrial field device can be transformer (or other power distribution automation equipment), and transformer is connected with industry data bus equipment by RS232 or RS485 interface.The general fieldbus pattern that adopts is transmitted between the industry data bus equipment, fieldbus comprises PROFIBUS, MODBUS, types such as CAN, because these field bus technique standards are different, compatible bad between the industry data bus equipment, and data transmission bauds is slower, and reliability is relatively poor.
The utility model content
The utility model provides the industrial data network service that a kind of compatibility is good, reliability is high bus system.
A kind of industrial data network service bus system, comprise industrial field device, further comprise industry data bus destination node equipment and at least one group of Resilient Packet Ring equipment, Resilient Packet Ring equipment comprises industry data bus partial node equipment, industry data bus convergent point equipment, industry data bus partial node equipment comprises and is used to realize industrial data, the Resilient Packet Ring frame converting unit that network management data and Resilient Packet Ring frame are changed mutually, the line interface of industry data bus partial node equipment is connected by Resilient Packet Ring with the line interface of industry data bus convergent point equipment, the business interface of industry data bus partial node equipment is connected with industrial field device, and industry data bus convergent point equipment is connected with industry data bus destination node equipment.
Wherein, further comprise at least 2 synchronous digital transmission system add-drop multiplexers, the synchronous digital transmission system add-drop multiplexer is formed the synchronous digital transmission system network, and industry data bus convergent point equipment and industry data bus destination node equipment are connected with synchronous digital transmission system add-drop multiplexer in the synchronous digital transmission system network respectively.
Wherein, further comprise Ethernet switch, industry data bus convergent point equipment is connected with the synchronous digital transmission system add-drop multiplexer by Ethernet switch.
Wherein, further comprise the webmaster terminal, the webmaster terminal is connected with the network management interface of industry data bus destination node equipment.
Wherein, the business interface of industry data bus partial node equipment is specially RS232 interface, RS422 interface, RS485 interface or Ethernet interface.
Wherein, line interface is the FC type optical fiber connector.
From above technical scheme as can be seen, the utility model comprises industrial field device, industry data bus destination node equipment and at least one group of Resilient Packet Ring equipment, Resilient Packet Ring equipment comprises industry data bus partial node equipment, industry data bus convergent point equipment, industry data bus partial node equipment comprises and is used to realize industrial data, the Resilient Packet Ring frame converting unit that network management data and Resilient Packet Ring frame are changed mutually, the line interface of industry data bus partial node equipment is connected by Resilient Packet Ring with the line interface of industry data bus convergent point equipment, the business interface of industry data bus partial node equipment is connected with industrial field device, industry data bus convergent point equipment is connected with industry data bus destination node equipment. the data of transmitting between industry data bus convergent point device forwards industry data bus partial node equipment of the present utility model and the industry data bus destination node equipment, by Resilient Packet Ring transmission industrial data and network management data, compatible good between each equipment, the reliability height, data transmission bauds is fast, satisfies the real-time of industrial data communication, the requirement of multi-service.
Description of drawings
Fig. 1 is a system configuration schematic diagram of the present utility model;
Fig. 2 mac frame form of the present utility model schematic diagram;
Fig. 3 be of the present utility model from partial node to destination node mapping process schematic diagram;
Fig. 4 be of the present utility model from destination node to partial node mapping process schematic diagram.
Embodiment
Referring to Fig. 1 to Fig. 4, the utility model is described in detail below in conjunction with accompanying drawing.
A kind of industrial data network service bus system, comprise industrial field device, further comprise industry data bus destination node equipment and at least one group of Resilient Packet Ring equipment, Resilient Packet Ring equipment comprises industry data bus partial node equipment, industry data bus convergent point equipment, industry data bus partial node equipment comprises and is used to realize industrial data, the Resilient Packet Ring frame converting unit that network management data and Resilient Packet Ring frame are changed mutually, the line interface of industry data bus partial node equipment is connected by Resilient Packet Ring with the line interface of industry data bus convergent point equipment, the business interface of industry data bus partial node equipment is connected with industrial field device, and industry data bus convergent point equipment is connected with industry data bus destination node equipment.
The data of transmitting between industry data bus convergent point device forwards industry data bus partial node equipment of the present utility model and the industry data bus destination node equipment; usability grouping ring (RPR; ResilientPacket Ring) self-healed protection characteristic; by Resilient Packet Ring transmission industrial data and network management data; between each equipment compatible good, reliability is high; data transmission bauds is fast, satisfies the real-time of industrial data communication, the requirement of multi-service.Resilient Packet Ring is a kind of bidirectional loop network structure, supports dicyclo to work simultaneously and the mode of back-up job, and the function that provides dynamic network topology to find and revise, and has the moment self-healing function of high reliability.
In the present embodiment, further comprise at least 2 synchronous digital transmission system (SDH, SynchronousDigital Hierarchy) add-drop multiplexer (ADM, Add Drop Multiplexer), the synchronous digital transmission system add-drop multiplexer is formed the synchronous digital transmission system network, and industry data bus convergent point equipment and industry data bus destination node equipment are connected with synchronous digital transmission system add-drop multiplexer in the synchronous digital transmission system network respectively.Further comprise Ethernet switch, industry data bus convergent point equipment is connected with the synchronous digital transmission system add-drop multiplexer by Ethernet switch.Further comprise the webmaster terminal, the webmaster terminal is connected with the network management interface of industry data bus destination node equipment, and the webmaster terminal can be used for managing RPR equipment.What synchronous digital transmission system used is the E1 passage.
One group of Resilient Packet Ring equipment has only an industry data bus convergent point equipment, and many industry data bus partial node equipment can be arranged.Concerning native system, many group Resilient Packet Ring equipment can be arranged.The industry data bus convergent point equipment of every group of Resilient Packet Ring equipment is connected with the synchronous digital transmission system add-drop multiplexer respectively.For reducing the electromagnetism intervention, can adopt aluminum metal case that industry data bus convergent point equipment and industry data bus partial node equipment are shielded.
Industrial data, network management data are converted into the Resilient Packet Ring frame in industry data bus partial node equipment, separated in industry data bus convergent point equipment. industrial data, network management data are respectively walked an E1 passage, these two kinds of data are 2 layers of ethernet frame data in ring, do not have the interchange of industrial data, network management data between the industry data bus partial node equipment, these data arrive industry data bus destination node equipment by industry data bus convergent point device forwards.
With reference to figure 2, be the mac frame form schematic diagram of this programme.SA is self RPR address, and DA is the other side RPR address, reduces the HASH process.For all partial nodes, DA is the RPR address of convergent point; For destination node, DA is the RPR address of partial node.PREAMBLE is the frame seeker, and SFD is the frame start field, and LENGTH/TYPE is a length/type, and DATA 1～n is data, and PAD is for filling field, and FCS is a check code, and EXTENSION is expansion.BT is first Byte of DATA field, is used to indicate the Type content; Manage/rs232 is the RS232 business information, and PORTn is a data-interface information, and MCUreg is the MCU network management information, and partial node carries out the RPR package according to BT to these information.Use the RS232 interface in this example, so be called RS232 business information, RS232 data, it is an industrial data.The partial node of this paper, convergent point, destination node are respectively the abbreviation of industry data bus partial node equipment, industry data bus convergent point equipment, industry data/address bus destination node equipment.
With reference to figure 3, for from partial node (terminal) to destination node (network management center) mapping process schematic diagram.With reference to figure 4, for from destination node (network management center) to partial node (terminal) mapping process schematic diagram.In these two figure, convergent point and destination node use the Ethernet transmission, and Ethernet is wherein a kind of form just, can also use networks such as SDH.Serial Port Information is RS232 information, industrial information, and serial data is RS232 data, industrial data.
In the present embodiment, the control section of partial node mainly comprises FPGA (Field ProgrammableGate Array, field programmable gate array) chip and MCU (Micro Controller Unit, micro-control unit).FPGA is described below: finish traffic identification, priority classification, encapsulation, the fractionation of 2 layers of package, and handle the RPR agreement.FPGA separates RS232 business information (also claiming business datum), MCU network management information (also claiming network management data) and data-interface information according to the BT of ethernet frame, but does not change the BT of RS232 passage.Other direction is done processing of RPR package and transmission to three types of interface messages.MCU is described below: can use MCU to replace expensive CPU here.The serial ports baud rate is below 19.2Kbps, and network management information is simpler, and total flow is less, has the 500Kbps bandwidth enough.MCU direct communication object is convergent point CPU, is undertaken by the 8bits parallel bus, is the peripheral hardware on the convergent point cpu bus in logic, adopts ethernet format to communicate.MCU finishes this equipment disposition, monitoring, measuring ability.Initial configuration is finished by local RS232 port.The partial node circuit is simple as far as possible, to adapt to adverse circumstances.Power consumption is low as far as possible to reduce the heat that produces.
The control section of convergent point mainly comprises FPGA and CPU (central processing unit).FPGA is described below: finish traffic identification, priority classification, encapsulation, the fractionation of 2 layers of package, and handle the RPR agreement.FPGA separates RS232 business information, MCU network management information according to the BT of ethernet frame.Other direction is done processing of RPR package and transmission to two types of interface messages.CPU is described below: the CPU that performance is stronger, the operation snmp protocol as the agency between partial node and the PC of network management center, is collected, is distributed the partial node network management information, safeguards the plug and play information of encircling the equipment of going up, and provides configuration, monitoring, measuring ability to this equipment.The MCU of all tapping points all can regard the peripheral hardware that is hung on this cpu bus as on the ring, local FPGA is used as an ethernet mac interface uses.This CPU grasps the MASTER power of bus, adopts ethernet format to communicate.CPU network interface calcaneus rete tube hub adopts ICP/IP protocol communication.Initial configuration is undertaken by local RS232 port.Convergent point is in the electric power SDH looped network machine room, the relative partial node complexity of circuit, but processing is similar with partial node in essence.Network management information, RS232 business information are separated at this, walk different transmission channels respectively and transmit to network management center.
The control section of destination node comprises that mainly FPGA and CPU.FPGA are described below: finish the RS232 service wrappers is separated mapping or on the contrary the RS232 business is mapped to E1 or Ethernet from E1 or Ethernet work. corresponding work assists .CPU to be described below by MAC～232 correspondence table and BT byte: as complementary webmaster, be responsible for safeguarding that destination node physics RS232 port is to the correspondence database between partial node RS232 port, and provide configuration to this equipment, monitoring, measuring ability. initial configuration is undertaken by local RS232 port. and destination node is in the electric power building machine room, and destination node is connected with the webmaster terminal of network management center.
In the present embodiment, partial node can realize that 2+2 road RS232 or RS485 are interfaced to the RPR protocol conversion function.This equipment provides business interface, line interface, management interface.Business interface is the RS232 interface; Can certainly be RS422 interface, RS485 interface or Ethernet interface.RS232 maximum rate 19.2kbps; The configurable 600bps of business interface, 1200bps, 2400bps, 4800bps, 9600bps, 19.2kbps speed.Line interface is the FC type optical fiber connector, type is 100Base-Fx RPR, single mode 1310nm 30km/ multimode 850nm 6km, and single fiber/pair fine transmitting-receiving is optional, the quantity of line interface is two, and they dock with the miscellaneous equipment line interface by two bidirectional buses and form elastic packet loop network.Management interface is RS232 or RJ45 joint, and speed is 9600bps, as local hyper terminal.
Convergent point can be finished 40 road RS232 business to E1 or 10/100M Ethernet mapping function.This equipment provides professional trunk interface, network management interface, management interface, line interface.Professional trunk interface is RJ45, SDH E1 or 10/100Base-Tx Ethernet.Network management interface is RJ45, SDH E1 or 10/100Base-Tx Ethernet.Management interface is RJ45 or RS232 interface, and speed is 9600bps, as the super middle-end in this locality.Line interface is the FC type optical fiber connector, and type is 100Base-Fx RPR, single mode 1310nm 30km/ multimode 850nm 6km, and single fiber/pair fine transmitting-receiving is optional.
Destination node can be finished the mapping function of separating of E1 to 40 road RS232 business.This equipment provides professional trunk interface, business interface, network management interface, management interface.Professional trunk interface is RJ45, SDH E1 or 10/100Base-Tx Ethernet.Business interface is specially the RS232 interface.The configurable 600bps of business interface, 1200bps, 2400bps, 4800bps, 9600bps, 19.2kbps speed.Network management interface is RJ45, SDH E1 or 10/100Base-Tx Ethernet.Management interface is RJ45 or RS232 interface, and speed is 9600bps, as the super middle-end in this locality.
The utlity model has following advantage:
(1) assurance of job stability under the technical grade adverse circumstances.Simplify the partial node circuit, adopt the high reliability device, reduce Overall Power Consumption.
(2) realization of succinct webmaster mode.Network management information adopts MASTER (convergent point)-SLAVE (tapping point) in the logical construction of 2 layer models on the native system ring, simplify the management resource on the ring, a ring only needs an IP address, and partial node is discerned with single MAC Address, and convergent point is made SNMP webmaster relaying.Network management center only needs directly to manage in the face of convergent point.Certainly, also can adopt another kind of feasible scheme, all partial nodes all move ICP/IP protocol, and tapping point, convergent point are all directly in the face of network center; This mode can make partial node MCU network processes performance requirement increase, and it is complicated that webmastering software becomes relatively, is unfavorable for that the partial node simple and high-efficient realizes.
(3) assurance of mixed service identification and real-time.Insert different business from the different interfaces of FPGA, physically just miscellaneous service is separated at access point, concurrent characteristic in conjunction with FPGA, adopt the RPR technology that the business on the different interfaces is classified, and give the mode of RS232 delineation of activities reserved bandwidth, make professional real-time strengthen greatly, the business form is very clear governed on the ring.
(4) realization of plug and play.For realization equipment adds in the ring setting up procedure too much, can be in the following ways: RPR address, CPU webmaster MAC Address, the unified processing in RS232 port identification address, simplified apparatus recognition methods.Partial node is provided with succinct geographical location information, uses for convergent point CPU and the SNMP of network management center software communication; Node is got involved the MAC Address that back active request study ring is gone up convergent point, and the geographical location information of this equipment of transmission.Convergent point is responsible for collecting the information of safeguarding each tapping point, and implants in the privately owned node of SNMP, for network management center's software identification and processing network topology.
(5) support of flexibility.RS232 is professional only to be handled through FPGA, because the controllability of transmission method is strong, adopts different transmitting physical interfaces so can be independent of transmission medium.In addition, the mode by packed data can allow onesize bandwidth channel carry more RS232 Traffic Channel.
In addition, this programme also provides another kind of method, directly the RS232 data map is advanced E1.This mode can allow the existing P cm device replace destination node.In the above-mentioned mac frame, the MCUReg information of BT byte is equal to the message command type.
For the power distribution communication network, following requirement is arranged: (1) reliability.It is reliable and network is reliable that the requirement of reliability comprises equipment, because most communication nodes of distribution automation communication system all work under the outdoor adverse circumstances, requirement equipment is the energy long-term stable operation under mal-conditions such as hot and humid thunder and lightning, and avoid electromagnetic interference, preferably can be when having a power failure the equipment endure.Require the network survivability performance superior simultaneously, when node and path failure, have the protection route, guarantee that communication service is unaffected.(2) economy.Consider the overall economic benefit of distribution network system, the investment of communication system should be not excessive, strives making full use of the existing major network communication resource, leads, distribution integrated planning, avoids overlapping investment.(3) operation and non-maintaining easily.(4) networking flexibility is expanded and dilatation easily.With the electric power transmission network difference, distribution network may change at any time according to user's requirement, the increase and decrease or the like that requires the distribution communication network also can make node is at any time accordingly revised, and considers the development of electricity needs in the future, and distribution network also should be realized expanding easily and dilatation.
The utility model can satisfy the above-mentioned requirements of power distribution communication network.Concerning the power distribution communication network, industrial field device can be transformer, switching station, pole-mounted circuit breaker or other power distribution automation equipment; These industrial field devices can utilize switch access industrial data/address bus partial node equipment by local area network (LAN), or direct access industrial data/address bus partial node equipment.The utility model has very big commercial application value in the power distribution communications field.It is pointed out that the utility model also is applicable to the data communication of the industrial circle of other adverse circumstances.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (6)
1. industrial data network service bus system, comprise industrial field device, it is characterized in that, further comprise industry data bus destination node equipment and at least one group of Resilient Packet Ring equipment, Resilient Packet Ring equipment comprises industry data bus partial node equipment, industry data bus convergent point equipment, industry data bus partial node equipment comprises and is used to realize industrial data, the Resilient Packet Ring frame converting unit that network management data and Resilient Packet Ring frame are changed mutually, the line interface of industry data bus partial node equipment is connected by Resilient Packet Ring with the line interface of industry data bus convergent point equipment, the business interface of industry data bus partial node equipment is connected with industrial field device, and industry data bus convergent point equipment is connected with industry data bus destination node equipment.
2. industrial data network service bus system according to claim 1, it is characterized in that, further comprise at least 2 synchronous digital transmission system add-drop multiplexers, the synchronous digital transmission system add-drop multiplexer is formed the synchronous digital transmission system network, and described industry data bus convergent point equipment and industry data bus destination node equipment are connected with synchronous digital transmission system add-drop multiplexer in the synchronous digital transmission system network respectively.
3. industrial data network service bus system according to claim 2 is characterized in that, further comprises Ethernet switch, and described industry data bus convergent point equipment is connected with the synchronous digital transmission system add-drop multiplexer by Ethernet switch.
4. industrial data network service bus system according to claim 1 is characterized in that, further comprises the webmaster terminal, and the webmaster terminal is connected with the network management interface of described industry data bus destination node equipment.
5. industrial data network service bus system according to claim 1 is characterized in that the business interface of described industry data bus partial node equipment is specially RS232 interface, RS422 interface, RS485 interface or Ethernet interface.
6. industrial data network service bus system according to claim 1 is characterized in that, described line interface is the FC type optical fiber connector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200615570U CN201467154U (en) | 2009-07-31 | 2009-07-31 | Industrial data network communication bus system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009200615570U CN201467154U (en) | 2009-07-31 | 2009-07-31 | Industrial data network communication bus system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027671A (en) * | 2016-07-05 | 2016-10-12 | 深圳前海大数点科技有限公司 | Cloud computing based industrial data bus and data service system |
| CN112118164A (en) * | 2020-08-20 | 2020-12-22 | 深圳市山海光通信技术有限公司 | Industrial bus and switch based on ERPS optical fiber ring network |
-
2009
- 2009-07-31 CN CN2009200615570U patent/CN201467154U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027671A (en) * | 2016-07-05 | 2016-10-12 | 深圳前海大数点科技有限公司 | Cloud computing based industrial data bus and data service system |
| CN112118164A (en) * | 2020-08-20 | 2020-12-22 | 深圳市山海光通信技术有限公司 | Industrial bus and switch based on ERPS optical fiber ring network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen CentNet Communication Technology Development Co., Ltd. Assignor: Dongguan Jinzhiqiao Communicating Technology Co., Ltd. Contract record no.: 2011440020087 Denomination of utility model: Industrial data network communication bus system Granted publication date: 20100512 License type: Exclusive License Record date: 20110411 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Shenzhen CentNet Communication Technology Development Co., Ltd. Assignor: Dongguan Jinzhiqiao Communicating Technology Co., Ltd. Contract record no.: 2011440020087 Date of cancellation: 20120618 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGDONG CENTURY NETWORK COMMUNICATION EQUIPMENT CO., LTD. Assignor: Dongguan Jinzhiqiao Communicating Technology Co., Ltd. Contract record no.: 2012440020177 Denomination of utility model: Industrial data network communication bus system Granted publication date: 20100512 License type: Exclusive License Record date: 20120628 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20130731 |