CN201477439U - Networked controller - Google Patents
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- CN201477439U CN201477439U CN2009202029901U CN200920202990U CN201477439U CN 201477439 U CN201477439 U CN 201477439U CN 2009202029901 U CN2009202029901 U CN 2009202029901U CN 200920202990 U CN200920202990 U CN 200920202990U CN 201477439 U CN201477439 U CN 201477439U
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Abstract
The utility model provides a networked controller, which comprises a master control unit and an input/output interface unit connected with the master control unit. The utility model is characterized in that the master control unit is connected with a multi-channel networked interface unit through a data exchange unit; and a route switching algorithm software module is embedded in the master control unit. The networked controlled also has the node control function and the network data transmission function. The networked controller can realize the networked topological structure from the physical connection type and can greatly improve the operation reliability of the control system network through the redundant wiring and the routing algorithm. The networked controller is particularly suitable for the control system formed by 2400 control nodes in a downhaul actuator control system in the 500m-aperture fixed spherical radio telescope (FAST) project of the National Astronomical Observatories, CAS. The utility model has the advantages that the structure is simple and reasonable, the practicability is high, the stability and the efficiency are high, and the networked controller can be widely popularized and used.
Description
Technical field: the utility model relates to a kind of control system that is applied to astronomical observatory's 500 meters bore spheres radio telescope (FAST) downhaul actuator, belongs to astronomical control and network communications technology field automatically.
Background technology: controller is the most frequently used elementary cell equipment in field such as commercial production field, scientific research equipment, scientific experiment equipment, large-scale automatic control system and intelligent control device, and it can independently finish the automatic Detection ﹠ Controling of various parameters or various mechanical actions.And common controller mainly is made up of main control unit and input/output interface unit, wherein main control unit can be made of the CPU or the Embedded ARM of single-chip microcomputer, finishes man-machine interaction's the function of operation, the controller of control, the controller of programming, the external unit of controller; The input/output interface unit is made up of the I/O port of main control chip, finishes the control of external unit and the acquisition function of external data.
For large-scale robot brain tool device or large-scale intelligent type scientific research equipment, in order to realize the coordination of each Control Node, need a large amount of Node Controllers to form huge control system, finish the control of integral device or device by each controller jointly; Downhaul actuator control system is exactly an example wherein in China national astronomical observatory 500 meters bore spheres radio telescope (FAST) project, and the data communication between these Node Controllers becomes very important and directly influences stable, the key factor reliably of control system; The data communication network between the architectural node controller how, be improve the control system overall performance gordian technique it
At present, which kind of communication interface no matter controller in 500 meters bore sphere radio telescopes (FAST) project in the downhaul actuator control system adopt, its networking mode has only the bus and spoke dual mode, bus-organization is suitable for RS-485 or CAN bus standard, and hub-and-spoke configuration is suitable for ethernet standard; When Node Controller quantity too much, when the physical location structure of Control Node is too intensive, adopt its circuit reliability of bus-organization the poorest, as long as there is place's circuit to disconnect, then system will paralyse; Adopt hub-and-spoke configuration, though circuit reliability increases, employed intermediate equipment is too much, can significantly increase the cost of system, to such an extent as to this scheme is infeasible.
The utility model content:
The utility model purpose: the utility model is in conjunction with the specific demand of downhaul actuator control system in China national astronomical observatory 500 meters bore spheres radio telescope (FAST) project, a kind of networked controller is provided, its objective is and solve following problem: when 1, utilizing networked controller to carry out networking in the past, exist in the bus group net mode Node Controller quantity too much, when the physical location structure of Control Node is too intensive, the problem that circuit reliability is the poorest; 2, exist intermediate equipment too much, significantly to increase the problem of system cost in the star-like network's mode.
Technical scheme: the utility model is achieved through the following technical solutions:
A kind of networked controller, it is a kind of control system that is applied to downhaul actuator in astronomical observatory's sphere radio telescope project, comprise main control unit and connected input/output interface unit, it is characterized in that: described main control unit is connected with the multi-channel network interface unit by the exchanges data unit; Also be provided with route switching algorithm software module (4) in the main control unit.
The main control unit of described controller is made of the CPU or the Embedded ARM of single-chip microcomputer, and the input/output interface unit of described controller is made up of the I/O port of main control chip.
The multi-channel network interface unit of described controller is made up of hyperchannel RS-485 drive circuit system, multi-channel-CAN bus driving circuits system or hyperchannel Ethernet drive circuit system.
Hyperchannel RS-485 drive circuit system is made up of RS-485 driving circuit, exchanges data unit, route/switching control unit and data bus/control bus, described RS-485 driving circuit connects the data crosspoint, exchanges data unit link road is by/switching control unit, and route/switching control unit connects data bus/control bus.
Multi-channel-CAN bus driving circuits system is made up of CAN bus driving circuits, exchanges data unit, route/switching control unit, data bus/control bus, described CAN bus driving circuits connects the data crosspoint, exchanges data unit link road is by/switching control unit, and route/switching control unit connects data bus/control bus.
Described Ethernet drive circuit system is made up of Ethernet driving circuit, exchanges data unit, route/switching control unit and data/control bus, described Ethernet driving circuit connects the data crosspoint, exchanges data unit link road is by/switching control unit, and route/switching control unit connects data/bus.
The exchanges data unit of described controller is made up of Data Receiving launching procedure or ethernet switch hub spare.
Advantage and effect: the utility model provides a kind of networked controller, comprises main control unit and connected input/output interface unit, and described main control unit is connected to the multi-channel network interface unit by the exchanges data unit; Also be provided with route switching algorithm software module in the main control unit.The utility model proposes combines normal controller with the multi-channel network interface forms the scheme of networked controller, makes this networking controller have the data-transformation facility of node control and controller network simultaneously; The controller that can make multipoint control system is at the formal networked topological structure of realizing real meaning of physical connection, by redundant wiring and operation Ethernet routing algorithm and the exchange algorithm that increases controller network, realize significantly improving the operational reliability of controller network.
The concrete advantage of this utility model networking controller is as follows:
1, the present networks controller is made up of controller and multi-channel network interface, has the multiband data communication interface;
2, the present networks controller can be formed data transmission and the node control that controller network carries out each Control Node;
3, the network system of being made up of the present networks controller can make multipoint control system realize the networked topological structure of real meaning in the physical connection of controller in form;
4, the network system of being made up of the present networks controller can be by increasing the data communication reliability that networked redundant wiring between the controller realizes significantly improving the controller network system;
If 5 multi-channel network interfaces adopt the Industrial Ethernet standard, the present networks controller can be formed Industrial Ethernet multidrop network chemical control system system;
6, be embedded with Ethernet routing algorithm and exchange algorithm software module in the present networks controller, when the controller network local line breaks down, by Ethernet routing algorithm and exchange algorithm, finish the data route and the data redundancy exchange of controller network, improve the operational reliability of controller network.
7, present networks controller control system network that constitute that downhaul actuator control system needs in China national astronomical observatory 500 meters bore spheres radio telescope (FAST) project, that form by 2400 Control Node.
This utility model is simple for structure rationally, and is practical, and stability and high efficiency is with low cost, can satisfy the specific demand of downhaul actuator control system in 500 meters bore spheres of Nation Astronomical Observatory radio telescope (FAST) project fully.
Description of drawings:
Fig. 1 is the composition structure of the utility model networking controller;
Fig. 2 is the scenario-frame when the multi-channel network interface unit is made up of the RS-485 drive circuit system in the utility model networking controller;
Fig. 3 is the scenario-frame when the multi-channel network interface unit is made up of CAN bus driving circuits system in the utility model networking controller;
Fig. 4 is the scenario-frame when the multi-channel network interface unit is made up of the Ethernet drive circuit system in the utility model networking controller;
Fig. 5 is for constituting one of real case of multinode controller network with the utility model networking controller.
Embodiment:
A kind of networked controller that designs at downhaul actuator control system in sphere radio telescope (FAST) project, be particularly suitable in China national astronomical observatory 500 meters bore spheres radio telescope (FAST) project 2400 control system that Control Node is formed in the downhaul actuator control system, as shown in Figure 1, this networking controller comprises main control unit 1, exchanges data unit 2, input/output interface unit 3, route switching algorithm software module 4 and multi-channel network interface unit 5; Exchanges data unit 2 all is connected with main control unit 1 with input/output interface unit 3, connects multi-channel network interface unit 5 on described exchanges data unit 2; In described main control unit 1, be provided with route switching algorithm software module 4.The main control unit 1 of described controller is made of the CPU or the Embedded ARM of single-chip microcomputer, finishes the man-machine interaction's of the operation of control, controller of programming, the external unit of controller and controller function; The input/output interface unit 3 of described controller is made up of the I/O port of main control chip, finishes the control of external unit and the acquisition function of external data.
The multi-channel network interface unit of described controller is made up of hyperchannel RS-485 drive circuit system, multi-channel-CAN bus driving circuits system or hyperchannel Ethernet drive circuit system, finish the networking of networked controller, corresponding different driving circuit can be formed RS-485 controller network, CAN bus controller network or ethernet controller network.
As shown in Figure 2, multi-channel network interface unit 5 in the utility model networking controller is made of the RS-485 drive circuit system, hyperchannel RS-485 drive circuit system is by the RS-485 driving circuit, the exchanges data unit, route/switching control unit and data bus/control bus is formed, described RS-485 driving circuit connects the data crosspoint, exchanges data unit link road is by/switching control unit, route/switching control unit connects data bus/control bus, data bus/control bus is connected on the exchanges data unit 2 that is connected with main control unit 1 again, constitutes the networked controller based on the RS-485 communication mode;
As shown in Figure 3, the multi-channel network interface unit 5 of the utility model networking controller is made of CAN bus driving circuits system, multi-channel-CAN bus driving circuits system is by the CAN bus driving circuits, the exchanges data unit, route/switching control unit, data bus/control bus is formed, described CAN bus driving circuits connects the data crosspoint, exchanges data unit link road is by/switching control unit, route/switching control unit connects data bus/control bus, data bus/control bus is connected on the exchanges data unit 2 that is connected with main control unit 1 again, constitutes the networked controller based on CAN bus communication mode.
As shown in Figure 4, the multi-channel network interface unit 5 of the utility model networking controller can be made of the Ethernet drive circuit system, described Ethernet drive circuit system is by the Ethernet driving circuit, the exchanges data unit, route/switching control unit and data/control bus is formed, described Ethernet driving circuit connects the data crosspoint, exchanges data unit link road is by/switching control unit, route/switching control unit connects data bus/control bus, data bus/control bus is connected on the exchanges data unit 2 that is connected with main control unit 1 again, constitutes the networked controller based on the ethernet communication mode.
As shown in Figure 5, the utility model networking controller can link together by the multi-channel network interface unit 5 of controller, constitute the controller network of structure as shown in Figure 5, finish the networked networking of the huge control system of forming by many Control Node, and data communication network efficient, high reliability is provided.Any two circuits among Fig. 5 on any one node disconnect, and The whole control system still can operate as normal; Fig. 5 structure is suitable for downhaul actuator control system in China national astronomical observatory 500 meters bore spheres radio telescope (FAST) project.
The exchanges data unit 2 of described networked controller is made up of Data Receiving launching procedure or ethernet switch hub spare, finishes data transmission and function of exchange in the controller network.
Described networked controller has routing algorithm and exchange algorithm software module, it is made up of Ethernet routing algorithm and exchange algorithm, when the controller network local line breaks down, by Ethernet routing algorithm and exchange algorithm, finish the data route and the data redundancy exchange of controller network, improve the operational reliability of controller network.
Described networked controller increases on the basis of normal controller has the multi-channel network interface, the data-transformation facility that has node control and Control Network simultaneously; The controller that can make multipoint control system is realized significantly improving the operational reliability of Control Network at the formal networked topological structure of realizing real meaning of physical connection by the redundant wiring that increases Control Network.
The multi-channel network interface of described controller, if adopt the Industrial Ethernet standard, the present networks controller can be formed Industrial Ethernet multidrop network chemical control system system.
This utility model is simple for structure rationally, and is practical, and stability and high efficiency is with low cost, can satisfy the specific demand of downhaul actuator control system in 500 meters bore spheres of Nation Astronomical Observatory radio telescope (FAST) project fully.
Claims (7)
1. networked controller, it is a kind of control system that is applied to downhaul actuator in astronomical observatory's sphere radio telescope project, comprise main control unit (1) and connected input/output interface unit (3), it is characterized in that: described main control unit (1) is connected with multi-channel network interface unit (5) by exchanges data unit (2); Also be provided with route switching algorithm software module (4) in the main control unit (1).
2. networked controller according to claim 1, it is characterized in that: the main control unit of described controller (1) is made of the CPU or the Embedded ARM of single-chip microcomputer, and the input/output interface unit (3) of described controller is made up of the I/O port of main control chip.
3. networked controller according to claim 1 is characterized in that: the multi-channel network interface unit (5) of described controller is made up of hyperchannel RS-485 drive circuit system, multi-channel-CAN bus driving circuits system or hyperchannel Ethernet drive circuit system.
4. networked controller according to claim 3, it is characterized in that: hyperchannel RS-485 drive circuit system is made up of RS-485 driving circuit, exchanges data unit, route/switching control unit and data bus/control bus, described RS-485 driving circuit connects the data crosspoint, exchanges data unit link road is by/switching control unit, and route/switching control unit connects data bus/control bus.
5. networked controller according to claim 3, it is characterized in that: multi-channel-CAN bus driving circuits system is made up of CAN bus driving circuits, exchanges data unit, route/switching control unit, data bus/control bus, described CAN bus driving circuits connects the data crosspoint, exchanges data unit link road is by/switching control unit, and route/switching control unit connects data bus/control bus.
6. networked controller according to claim 3, it is characterized in that: described Ethernet drive circuit system is made up of Ethernet driving circuit, exchanges data unit, route/switching control unit and data/control bus, described Ethernet driving circuit connects the data crosspoint, exchanges data unit link road is by/switching control unit, and route/switching control unit connects data/bus.
7. networked controller according to claim 1 is characterized in that: the exchanges data unit (2) of described controller is made up of Data Receiving launching procedure or ethernet switch hub spare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202029901U CN201477439U (en) | 2009-09-02 | 2009-09-02 | Networked controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202029901U CN201477439U (en) | 2009-09-02 | 2009-09-02 | Networked controller |
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| CN201477439U true CN201477439U (en) | 2010-05-19 |
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| CN2009202029901U Expired - Fee Related CN201477439U (en) | 2009-09-02 | 2009-09-02 | Networked controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346469A (en) * | 2011-08-12 | 2012-02-08 | 中国科学院光电技术研究所 | Control method and control system for large-scale photoelectric telescope lens mechanism distribution |
| CN102520678A (en) * | 2011-11-04 | 2012-06-27 | 中国科学院国家天文台南京天文光学技术研究所 | Remote control system for active reflection panel of radio telescope |
| WO2017000738A1 (en) * | 2015-06-30 | 2017-01-05 | 邻元科技（北京）有限公司 | Distributed computing network system and computing node used therefor |
-
2009
- 2009-09-02 CN CN2009202029901U patent/CN201477439U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346469A (en) * | 2011-08-12 | 2012-02-08 | 中国科学院光电技术研究所 | Control method and control system for large-scale photoelectric telescope lens mechanism distribution |
| CN102346469B (en) * | 2011-08-12 | 2014-03-05 | 中国科学院光电技术研究所 | Control method and control system for large-scale photoelectric telescope lens mechanism distribution |
| CN102520678A (en) * | 2011-11-04 | 2012-06-27 | 中国科学院国家天文台南京天文光学技术研究所 | Remote control system for active reflection panel of radio telescope |
| WO2017000738A1 (en) * | 2015-06-30 | 2017-01-05 | 邻元科技（北京）有限公司 | Distributed computing network system and computing node used therefor |
| US20180188702A1 (en) * | 2015-06-30 | 2018-07-05 | Lynkros Technology (Beijing) Co., Ltd. | Distributed computing network system and computing node used therefor |
| US10732588B2 (en) * | 2015-06-30 | 2020-08-04 | Lynkros Technology (Beijing) Co., Ltd. | Decentralized computing network system and computing processing node used for the same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20110902 |