CN203965899U - A kind of movable launch platform network topology structure - Google Patents
A kind of movable launch platform network topology structure Download PDFInfo
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- CN203965899U CN203965899U CN201420232446.2U CN201420232446U CN203965899U CN 203965899 U CN203965899 U CN 203965899U CN 201420232446 U CN201420232446 U CN 201420232446U CN 203965899 U CN203965899 U CN 203965899U
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Abstract
Solution is guaranteed movable launch platform driving control system network reliably and/or easy care problem, the utility model provides a kind of movable launch platform driving control system network topology structure, described movable launch platform driving control system comprises as lower node: main host computer node, standby host computer node, the main PLC node of main website, main website is for PLC node, from station owner PLC node, slave station is for PLC node, some frequency converter nodes, and some absolute value encoder nodes, described network topology structure comprises the Basic automation level communication network structure and the process automation level communication network structure that connect in turn, and described Basic automation level communication network structure and described process automation level communication network structure share as lower node: from station owner PLC node, slave station is for PLC node.Present networks topological structure has improved the reliability and maintainability of movable launch platform driving control system, has ensured completing smoothly of rocket transhipment task.
Description
Technical field
The utility model belongs to the communication network technology field in space industry, more specifically, relates to a kind of movable launch platform network topology structure.
Background technology
Movable launch platform is the important component part of movable launch platform, it be responsible for by carrier rocket steadily, safely in the vertical transhipment task between technical preparation building and launching workplace.Its communication network is the important component part in movable launch platform, and it connects and realize the data transmission between them by the each several part in system.The performance quality of communication network directly has influence on the performance of whole automatic transmitting system, and therefore whether the layout of communication network and design be rationally most important.
Along with computer technology, the network communications technology and the development of lift-off technology automatically, field bus technique is widely used in industrial automation system gradually.There is the features such as safe reliability is high, interchangeability, opening, good dispersion due to field bus system, therefore, in space industry, be widely used.
Movable launch platform product has one of ripe product in China, is CZ-2F carrier rocket movable launch platform.This movable launch platform adopts the network structure of simple hubbed mode, but has single-point in the communication network between the equipment such as host computer node, PLC node in system, and the reliability of system is had to certain influence.And along with the development of computer technology, the powerful new equipment of redundancy feature constantly occurs the raising of system reliability to bring new opportunity, be necessary that the design of carrying out redundancy communication network is to improve the reliability of space product.
Utility model content
In order to improve reliability and/or the ease for maintenance of movable launch platform network structure, the utility model provides a kind of movable launch platform network topology structure, described movable launch platform comprises as lower node: main host computer node, standby host computer node, the main PLC node of main website, main website is for PLC node, from station owner PLC node, slave station is for PLC node, some frequency converter nodes, and some absolute value encoder nodes, described network topology structure comprises the Basic automation level communication network structure and the process automation level communication network structure that connect in turn, and described Basic automation level communication network structure and described process automation level communication network structure share as lower node: from station owner PLC node, slave station is for PLC node.
Further, described Basic automation level communication network structure comprises that main host computer node, standby host computer node, the main PLC node of main website, main website are for PLC node, from station owner PLC node, and slave station is for PLC node, described Basic automation level communication network structure comprises communication network A, communication network B, communication network C, communication network D, high speed communication network G and the high speed communication network H of non-overlapping copies each other.
Wherein, between host computer node, PLC master node, PLC slave node, be Industrial Ethernet (network A, B, C, D), adopt general switch to be connected with common ethernet line.Between PLC slave node and frequency converter node and absolute value encoder node, (network E, F) adopts Profibus-DP paired shield cable to be connected, the form that each components and parts adopt chain type to connect, different components and parts may increase terminal resistance as required at terminal bus.Network G H adopts optical fiber to connect the network topology structure that adopts token ring.
Further, main host computer node, the main PLC node of main website and be connected successively from station owner PLC node, comprise respectively communication network A and communication network C therebetween; Standby host computer node, main website are connected for PLC node with slave station successively for PLC node, comprise respectively communication network B and communication network D therebetween; Main host computer node, standby host computer node, the main PLC node of main website and main website are connected in communication network A and communication network B for PLC node simultaneously, the main PLC node of main website, are connected communication network C and communication network D for PLC node for PLC node and slave station from station owner PLC node, main website simultaneously.
Further, described communication network A and communication network B form a pair of redundant network, and described communication network C and communication network D form another to redundant network.
Further, the main PLC node of main website and main website are for the high speed communication network G and the high speed communication network H that comprise redundancy between PLC node, synchronous to carry out data.
Further, described process automation level communication network structure comprises that from station owner PLC node, slave station, for PLC node, some frequency converter nodes and absolute value encoder node, described process automation level communication network structure comprises communication network E and communication network F.
Further, describedly between station owner PLC node and first group of frequency converter node and absolute value encoder node, comprise communication network E, described slave station is for comprising communication network F between PLC node and second group of frequency converter node and absolute value encoder node.
Further, described communication network E and communication network F form a pair of redundant network.
The utlity model has following technique effect:
The utility model is a set of redundancy communication network for movable launch platform has designed.In the process of design, selecting on suitable hardware device basis according to the demand of launch mission, taken into full account the feature of the requirements such as the reliability of space product, maintainable and security and all kinds of buses, for system selected rational communication network topology structure.
This network is in meeting mission requirements, there is the communication structure of multi-host hot swap redundancy, guarantee that network is without single-point, and the in the situation that of inefficacy in any point, by being set, the mode such as heartbeat detection and check bit triggers the strategy of active and standby switching, the triggering of the normal communication of guarantee system and localization of fault and prediction scheme, improve the reliability and maintainability of movable launch platform, ensured completing smoothly of rocket transhipment task.
Brief description of the drawings
Fig. 1 shows movable launch platform network topology structure figure of the present utility model.
Embodiment
In order to set forth conveniently, hereinafter provide as follows: the main PLC node of main website, main website are identical with " PLC of main website node " or the implication of " PLC master node " for PLC node, main host computer node, standby host computer node are identical with " host computer node " implication, identical with " slave station PLC node " or " PLC slave node " implication for PLC node from station owner PLC node, slave station.
Fig. 1 shows the movable launch platform network topology structure according to preferred embodiment of the present utility model.In the preferred embodiment shown in Fig. 1, movable launch platform comprises as lower node: main host computer node 1, standby host computer node 4, the main PLC node 2 of main website, main website for PLC node 5, from station owner PLC node 3, slave station for PLC node 6, some frequency converter nodes 301,302,303,304,305,306, and some absolute value encoder nodes 201,202,203,204.
In Fig. 1, the network topology structure of this movable launch platform comprises in turn the Basic automation level communication network structure and the process automation level communication network structure that connect, and described Basic automation level communication network structure and described process automation level communication network structure share as lower node: from station owner PLC node 3, slave station for PLC node 6.
Wherein, the equipment configuration of Basic automation level communication network is as follows: host computer node is selected the Z820 of Hewlett-Packard model workstation, adopts two network interface card redundancy schemes, utilizes two ethernet lines to be connected respectively on telephone net node 1 and 2, form Industrial Ethernet, realize the collection of data.Host computer node utilizes OPC agreement to realize the communication between upper and lower computer.Network communication card has been selected a APP-ETH-PCU product of Woodhead company, and the multiple kinds such as OPC that this network interface card inside chip is integrated, can improve communication speed between upper and lower computer, thereby improves the real-time of system.
The equipment configuration of process automation level communication network is as follows:
PLC node is made up of master node and two slave nodes of two two-node cluster hot backup redundancies.Be at least 8 owing to completing the motor number that transhipment task need to move simultaneously, therefore system will be built two slave nodes, the collection of 8 motors of each slave node control and the each absolute encoder numerical value in stage body both sides.The CPU type selecting of PLC node master node is the IC695CRU320 product of GE company, adds two IC695RMX128 memory modules after each CPU module.The memory modules of each memory modules and another master node forms one group of token-ring network, for the data between synchronous two CPU, forms the mode of operation of hot standby pair of redundancy.Two token-ring networks remain redundancy.
Each master node module increases by four ethernet module IC695ETM001, be called for short ethernet module 1-4, wherein module 1,2 are connected on telephone net node 1 and telephone net node 2 communication of being responsible between host computer node, module 3 and 4 receive respectively telephone net node 3 and 4 responsible with slave node PLC node between utilize ICP/IP protocol to realize the communication of data.In the demand of the present embodiment, need 8 motors, therefore PLC node is made up of two slave nodes, and each slave node is responsible for and the communication of master node PLC node with two ethernet modules.
The collection of the operation of 8 frequency converter nodes of each slave node control and each 1 encoder node data of stage body both sides.IC694PBM300 module of each slave node band is as Profibus bus master node, 8 frequency converter node Profibus bus slave nodes with A7NPProfibus address card of each Profibus bus master node band and 2 PEPPERL FUCHS PVM58 absolute value encoder node Profibus bus slave nodes form a total linear chain of Profibus, and the last encoding setting tape terminal resistance of every chain is as the end of Profibus bus.
In the present embodiment, each host computer node sends instruction by man-machine interface, and each PLC node receives the instruction that host computer node sends.Then, each PLC node is responsible for logical operation, and speed command is sent to each frequency converter node 301,302,303,304,305,306, by each frequency converter node 301,302,303,304,305,306 drive motor operations, completes the driving to movable launch platform.
For ensureing that movable launch platform can complete smoothly transhipment task in the time that part components and parts lose efficacy, each host computer node, each PLC node and communication network thereof all should adopt the structure of two-node cluster hot backup redundancy.Between redundant module, should adopt the synchronous form of data to carry out the real-time update of data.In the time of main host computer node 1 or main PLC node failure, should guarantee to realize the seamless cut-out between main frame and standby host, ensure the normal operation of system.Due to single inverter node 301, 302, 303, 304, 305, 306, absolute value encoder node 201, 202, 203, 204 with motor be all single-point, therefore PLC node and frequency converter node 301, 302, 303, 304, 305, 306 and absolute value encoder node 201, 202, 203, 204 should adopt the form of system-level redundancy, by PLC node and frequency converter node 301, 302, 303, 304, 305, between 306, be divided into two groups, every group of PLC node and frequency converter node 301, 302, 303, 304, 305, 306 can ensure separately the normal operation of system, therefore PLC node is divided into PLC master node and PLC slave node, two master nodes carry out hot backup redundancy, two slave nodes and frequency converter node 301 separately, 302, 303, 304, 305, 306, absolute value encoder node 201, 202, 203, 204 groups are carried out system-level redundancy.
Described Basic automation level communication network structure comprises that main host computer node 1, standby host computer node 4, the main PLC node 2 of main website, main website are for PLC node 5, from station owner PLC node 3, and slave station is for PLC node 6, described Basic automation level communication network structure comprises communication network A, communication network B, communication network C, communication network D, high speed communication network G and the high speed communication network H of non-overlapping copies each other.
Main host computer node 1, the main PLC node 2 of main website and be connected successively from station owner PLC node 3, comprise respectively communication network A and communication network C therebetween; Standby host computer node 4, main website are connected for PLC node 6 with slave station successively for PLC node 5, comprise respectively communication network B and communication network D therebetween.Main host computer node 1, standby host computer node 4, the main PLC node 2 of main website and main website are connected in communication network A and communication network B for PLC node 5 simultaneously, the main PLC node 2 of main website, are connected communication network C and communication network D for PLC node 6 for PLC node 5 and slave station from station owner PLC node 3, main website simultaneously.
Described communication network A and communication network B form a pair of redundant network, and described communication network C and communication network D form another to redundant network.
The main PLC node 2 of main website and main website are for the high speed communication network G and the high speed communication network H that comprise redundancy between PLC node 5, synchronous to carry out data.
Due to the redundant module of PLC master node employing two-node cluster hot backup, therefore host computer node computer and PLC master node all should adopt two network interface card dual network redundant forms, utilize two groups of communication networks (network A and network B), connect respectively main PLC node and standby PLC node.
Heartbeat detection is set between upper and lower computer software, and (this thought and technology are common practise in this area, and the not network topology structure at the utility model innovative point place, therefore do not repeat them here), shown the communication state of active and standby two host computer nodes, active and standby two PLC master nodes and A network and B network by host computer node, in the time that main host computer node 1, main PLC master node and master network lost efficacy, carry out alarm and automatically switch to standby host operation.
The high speed communication network should between active and standby PLC master node with redundancy carries out data synchronous (network G and network H).Be responsible for the mixed-media network modules mixed-media of synchrodata, two master nodes should be able to manually carry out main website and standby switching of standing.
Active and standby two PLC master nodes should and two PLC slave nodes between the two network interface card dual network redundant forms (network C and network D) of same employing.Main PLC node and between PLC node, heartbeat detection is set, can show from host computer node the communication state of active and standby two PLC master nodes and C network and D network, in the time of main PLC master node and master network inefficacy, carry out alarm and automatically switch to standby host operation.
Described process automation level communication network structure comprises from station owner PLC node 3, slave station for PLC node 6, some frequency converter nodes 301,302,303,304,305,306 and absolute value encoder node 201,202,203,204, described process automation level communication network structure comprises communication network E and communication network F.This communication network E and communication network F are also described Basic automation level communication network structure and described process automation level communication network structure common points.The form of presentation that these two nodes just adopt in order to describe the convenience of Basic automation level communication network structure and these two network structures of process automation level communication network structure in the utility model.It will be clear for those skilled in the art that and can adopt other dividing mode to explain physics and/or the data annexation between above-mentioned two network structures.
Described from station owner PLC node 3 and first group of frequency converter node 301,302,303,304,305,306 and absolute value encoder node 201,202,203, between 204, comprise communication network E, described slave station is for PLC node 6 and second group of frequency converter node 301,302,303,304,305,306 and absolute value encoder node 201,202,203, between 204, comprise communication network F.
Described communication network E and communication network F form a pair of redundant network.
In other embodiment, the form of network E and network F can be selected according to the needs of physical device.
Slave station PLC node should gather each frequency converter node 301,302,303,304,305,306 and absolute value encoder node 201, the status information of 202,203,204 equipment such as grade is also uploaded to host computer node, each frequency converter node 301,302,303,304, the status word information of 305,306 equipment such as grade can be carried out signal processing according to the application layer that need to be used for of system.
In order to be illustrated more clearly in the application mode of network topology structure of the present utility model, now exemplify its principle of work as follows:
After system powers on, each element is normally worked.Main host computer node 1 utilizes the data of the main PLC node 2 of network A or B and collection main website or standby station owner PLC node and monitors with standby host computer node 4.A network and B network form redundant network, in the time of A network failure, main host computer node 1 still can send instruction for PLC node 5 to B host computer node by the main PLC node 2 of network B and main website and main website with standby host computer node 4, simultaneously main host computer node 1 with also can receive the main PLC node 2 of main website and the main website data for PLC node 5 by network B for host computer node 4.Main host computer node 1, standby host computer node 4, the main PLC node 2 of main website and main website be for communication detection check bit is all set between PLC node 5, and utilize the duty of pilot lamp display network A and network B.
As main website, operation occupies initiative to the main PLC node 2 of main website, the main PLC node 2 of main website and main website carry out communication for high speed communication network G or the H by redundancy between PLC node 5, G network and H network are redundant network, and in the time of G network failure, it is synchronous that H network can complete data equally.The main PLC node 2 of main website and main website are for the duty on PLC node 5 with status indicator lamp display network G and network H.
The main PLC node 2 of main website, main website for PLC node 5, from station owner PLC node 3, slave station for carrying out communication by network C and network D between PLC node 6.C network and D network form redundant network, and in the time of C network failure, the main PLC node 2 of main website, main website still can and realize communication from station owner PLC node 3, slave station for PLC node 6 by network D for PLC node 5.
Network E and network F work simultaneously, be respectively used to from station owner PLC node 3, slave station for carrying out communication between other equipment PLC node 6 and network, network E and network F are without physical connection, in the time that single network E lost efficacy, although can cause from communication failures between station owner PLC node 3 and each equipment, due to network, F is working properly, what the each equipment of procedure level in network F still can normally guarantee of work task completes, although be that network E and network F are single-point, it is not system-level single-point.The communication detection check bit of network E and network F sends to host computer node from station owner PLC node 3, slave station for PLC node 6 simultaneously, makes as required emergency preplan to feed back to operating personnel.
According to another embodiment of the present utility model, there is not public node in described Basic automation level communication network structure and described process automation level communication network structure.Wherein, network E and network F are made up of two groups of some frequency converter nodes 301,302,303,304,305,306 and some absolute value encoder nodes 201,202,203,204 respectively.
It should be noted that, in prior art, the general incremental encoder using cannot be electrically connected and communicate to connect according to connected mode of the present utility model.What it should be apparent to those skilled in the art that is that incremental encoder cannot substitute above-mentioned absolute value encoder node.Similarly, the scrambler of other types not yet confirms its reliability and confirms can solve the technical matters identical with the application and reach the technique effect identical with the application through overtesting.
Explain the structure of some embodiments of the utility model above in the mode of word and brief description of the drawings, be not exhaustive or be limited to concrete form described above.Wherein, " some " can be one, can be also the meanings of at least two.It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a movable launch platform network topology structure, described movable launch platform comprises as lower node: main host computer node, standby host computer node, the main PLC node of main website, main website is for PLC node, from station owner PLC node, slave station is for PLC node, some frequency converter nodes, and some absolute value encoder nodes, it is characterized in that, described network topology structure comprises the Basic automation level communication network structure and the process automation level communication network structure that connect in turn, and described Basic automation level communication network structure and described process automation level communication network structure share as lower node: from station owner PLC node, slave station is for PLC node.
2. movable launch platform network topology structure according to claim 1, it is characterized in that, described Basic automation level communication network structure comprises that main host computer node, standby host computer node, the main PLC node of main website, main website are for PLC node, from station owner PLC node, and slave station is for PLC node, described Basic automation level communication network structure comprises communication network A, communication network B, communication network C, communication network D, high speed communication network G and the high speed communication network H of non-overlapping copies each other.
3. movable launch platform network topology structure according to claim 2, is characterized in that, main host computer node, the main PLC node of main website and be connected successively from station owner PLC node comprise respectively communication network A and communication network C therebetween; Standby host computer node, main website are connected for PLC node with slave station successively for PLC node, comprise respectively communication network B and communication network D therebetween; Main host computer node, standby host computer node, the main PLC node of main website and main website are connected in communication network A and communication network B for PLC node simultaneously, the main PLC node of main website, are connected communication network C and communication network D for PLC node for PLC node and slave station from station owner PLC node, main website simultaneously.
4. movable launch platform network topology structure according to claim 3, is characterized in that, described communication network A and communication network B form a pair of redundant network, and described communication network C and communication network D form another to redundant network.
5. movable launch platform network topology structure according to claim 2, is characterized in that, the main PLC node of main website and main website are for the high speed communication network G and the high speed communication network H that comprise redundancy between PLC node, synchronous to carry out data.
6. movable launch platform network topology structure according to claim 1, it is characterized in that, described process automation level communication network structure comprises that from station owner PLC node, slave station, for PLC node, some frequency converter nodes and absolute value encoder node, described process automation level communication network structure comprises communication network E and communication network F.
7. movable launch platform network topology structure according to claim 6, it is characterized in that, describedly between station owner PLC node and first group of frequency converter node and absolute value encoder node, comprise communication network E, described slave station is for comprising communication network F between PLC node and second group of frequency converter node and absolute value encoder node.
8. movable launch platform network topology structure according to claim 7, is characterized in that, described communication network E and communication network F form a pair of redundant network.
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| CN201420232446.2U CN203965899U (en) | 2014-05-07 | 2014-05-07 | A kind of movable launch platform network topology structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007720A (en) * | 2014-05-07 | 2014-08-27 | 北京航天发射技术研究所 | Movable launch platform network topology structure |
| CN106081166A (en) * | 2016-06-27 | 2016-11-09 | 北京航天发射技术研究所 | The Hot Spare control method of a kind of high-power driving device and control system |
| CN107357162A (en) * | 2017-06-30 | 2017-11-17 | 镇江赛尔尼柯自动化有限公司 | Universal water inlet detecting and warning system |
| CN110456751A (en) * | 2019-08-16 | 2019-11-15 | 建龙北满特殊钢有限责任公司 | A kind of pneumatic steelmaking control system |
-
2014
- 2014-05-07 CN CN201420232446.2U patent/CN203965899U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007720A (en) * | 2014-05-07 | 2014-08-27 | 北京航天发射技术研究所 | Movable launch platform network topology structure |
| CN104007720B (en) * | 2014-05-07 | 2018-12-25 | 北京航天发射技术研究所 | A kind of movable launch platform network topology structure |
| CN106081166A (en) * | 2016-06-27 | 2016-11-09 | 北京航天发射技术研究所 | The Hot Spare control method of a kind of high-power driving device and control system |
| CN107357162A (en) * | 2017-06-30 | 2017-11-17 | 镇江赛尔尼柯自动化有限公司 | Universal water inlet detecting and warning system |
| CN110456751A (en) * | 2019-08-16 | 2019-11-15 | 建龙北满特殊钢有限责任公司 | A kind of pneumatic steelmaking control system |
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Granted publication date: 20141126 |