CN215067768U - A redundant base of distributed control system controller for thermal power plant - Google Patents
A redundant base of distributed control system controller for thermal power plant Download PDFInfo
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- CN215067768U CN215067768U CN202122706116.5U CN202122706116U CN215067768U CN 215067768 U CN215067768 U CN 215067768U CN 202122706116 U CN202122706116 U CN 202122706116U CN 215067768 U CN215067768 U CN 215067768U
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
A redundant base of distributed control system controller for thermal power plant comprises a base body, and an HMI interface, a BUS interface, an RM I/O interface, a PWR interface and a SYNC interface which are arranged on the base body; the HMI interface is provided with a plurality of groups in a subarea area and is communicated with an upper computer or a redundant controller; the BUS interfaces are arranged in different areas and are connected with the branch I/O modules for communication, and the redundant controllers can access the BUS interfaces; the RM I/O interface is provided with a plurality of groups in a subarea and is connected with a redundant controller for remote I/O Ethernet communication; the PWR interface is many needles screw terminal with the SYNC interface, and the PWR interface is used for power input and auxiliary communication, and the SYNC interface is used for the controller to the time. The utility model discloses can improve the data interaction speed between the controller to it provides convenience to upgrade for the operation maintenance.
Description
Technical Field
The utility model relates to a thermal power factory automatic control field, concretely relates to a redundant base of distributed control system controller for thermal power plant.
Background
A Distributed Control System (DCS), also known as a distributed computer control system, is a novel control technology for carrying out centralized monitoring, operation, management and distributed control on a production process by utilizing a computer technology. The design concept of the DCS is as follows: decentralized control, centralized management, hierarchical management, flexible configuration and convenient configuration. The DCS is different from a dispersed instrument control system and a centralized computer control system, overcomes the defects of the DCS and the centralized computer control system, and integrates the advantages of the DCS and the centralized computer control system. The intelligent control system has the characteristics of strong universality, flexible system configuration, complete control function, convenient data processing, centralized display operation, friendly human-computer interface, simple and standardized installation, convenient debugging and safe and reliable operation, and can improve the production automation level and the management level. The modularized DCS system is developed to the present, the modularized design is more inclined, all core devices are changed into the modularized design, such as a CPU, a power supply, an I/O module, a communication module and an AI/AO module, the devices are all designed into independent modules, and the assembly of a cabinet realizes the installation of hardware only by installing the corresponding module on a base after the base of the module is installed. Every module has all integrated own CPU, all takes processing function, and processing speed is faster, and each mutual noninterference does not appear at certain module simultaneously between each module, can not influence other modules to support hot plug.
The redundant base of the existing distributed control system controller plays a very important role in the undisturbed switching performance of the dual-machine hot controller, the synchronous time synchronization precision of the system clock and the control precision of the controller on the I/O card.
Disclosure of Invention
An object of the utility model is to the problem among the above-mentioned prior art, provide a redundant base of distributed control system controller for thermal power plant, improve the data interaction speed between the controller to it provides convenience to upgrade for the operation maintenance.
In order to achieve the above object, the present invention provides the following technical solutions:
a redundant base of distributed control system controller for thermal power plant comprises a base body, and an HMI interface, a BUS interface, an RM I/O interface, a PWR interface and a SYNC interface which are arranged on the base body; the HMI interface is provided with a plurality of groups in a subarea area and is communicated with an upper computer or a redundant controller; the BUS interfaces are arranged in different areas and are connected with the branch I/O modules for communication, and the redundant controllers can access the BUS interfaces; the RM I/O interface is provided with a plurality of groups in a subarea and is connected with a redundant controller for remote I/O Ethernet communication; the PWR interface be many needles screw terminal with the SYNC interface, the PWR interface is used for power input and auxiliary communication, the SYNC interface is used for the controller to the time.
As a preferred scheme of the utility model, the HMI interface is provided with 4, 2 interfaces in each group are divided into two groups; the number of the BUS interfaces is 12, and 6 BUS interfaces are arranged in two groups; the number of the RM I/O interfaces is 4, and 2 of the RM I/O interfaces are arranged in two groups.
As a preferred scheme of the utility model, the HMI interface and the RM I/O interface adopt RJ45 Ethernet interfaces, and the BUS interface adopts an RJ45 interface type RS485 serial port; the PWR interface and SYNC interface all adopt 8 pin screw terminals.
As an optimized scheme of the present invention, each BUS interface is connected to each branch I/O module through an independent RJ45 connector.
As an optimized proposal of the utility model, the HMI interface is connected with an upper computer or a redundant controller through an independent RJ45 connector respectively.
As a preferred embodiment of the present invention, the RM I/O interface performs remote I/O ethernet communication through independent RJ45 connectors.
As an optimized scheme of the utility model, the base body be connected with redundant controller through different CPCI connectors, the CPCI connector passes through hard-wired and HMI interface, BUS interface, RM IO interface, PWR interface and SYNC interface connection, connects the communication line between the CPCI connector.
As a preferred scheme of the utility model, different CPCI connectors are connected with the same PWR interface, and the PWR interface is connected with a DC24V power supply for supplying power; different CPCI connectors are connected with the same SYNC interface to perform B code timing.
As an optimized scheme of the utility model, the base body on seted up display window, can show controller display screen and each interface state signal lamp through display window.
Compared with the prior art, the utility model discloses following beneficial effect:
distributed control system controller to thermal power plant, the utility model discloses can realize transferring activestandby state signal, heartbeat signal etc. through the mode of hard-wired between redundant owner DPU (data Process Unit) and redundant follow DPU, realize the judgement of hard circuit. The utility model discloses a to the overall arrangement setting of base interface, optimized the wiring, can improve the data interaction speed between the controller by a wide margin, to the undisturbed switching performance of duplex hot air controller, system clock synchronization to time precision and controller to the control accuracy of IO fastener have and promote by a wide margin to the operation maintenance upgrading of thermal power plant DCS system provides convenience.
Drawings
FIG. 1 is a signal connection diagram of a redundant base of a distributed control system controller according to the present invention;
fig. 2 is a schematic diagram of the structure of the redundant base of the distributed control system controller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model provides a redundant base of distributed control system controller for thermal power plant, including the base body to and HMI interface, BUS interface, RM I/O interface, PWR interface and SYNC interface that set up on the base body, as shown in figure 2, HMI interface divides the regional setting of a plurality of groups, and it connects host computer or redundant controller to communicate; the BUS interfaces are arranged in different areas and are connected with the branch I/O modules for communication, and the redundant controllers can access the BUS interfaces; the RM I/O interface is provided with a plurality of groups in a subarea and is connected with a redundant controller for remote I/O Ethernet communication; the PWR interface is many needles screw terminal with the SYNC interface, and the PWR interface is used for power input and auxiliary communication, and the SYNC interface is used for the controller to the time. The display window is arranged on the base body, and the display screen of the controller and the state signal lamps of the interfaces can be displayed through the display window.
In the embodiment shown in fig. 2, 4 HMI interfaces are provided, each group of 2 interfaces being arranged in two groups; the number of the BUS interfaces is 12, and 6 BUS interfaces are arranged in two groups; the RM I/O interfaces are provided with 4, 2 in each group arranged in two groups. The HMI interface and the RM I/O interface adopt RJ45 Ethernet interfaces, and the BUS interface adopts an RJ45 interface type RS485 serial port; the PWR interface and SYNC interface all adopt 8 pin screw terminals. The interface is set as shown in table 1:
TABLE 1
Referring to fig. 1, the controller according to the embodiment of the present invention supports two DC24V power supplies, and the external power supplies are respectively connected to the "+" and "-" terminals of PWR1 and PWR2 in the PWR interface; the communication interface of the power supply monitoring is a reserved expansion interface. The distributed system control system controller is connected to the base through a CPCI connector. The main standby state signal, the heartbeat signal and the like are transmitted between the redundant main DPU (data processing Unit) and the redundant slave DPU through the hard connection between the bases to realize the judgment of the hard loop.
The utility model discloses an every BUS interface connects each branch IO module through independent RJ45 connector respectively. The HMI interfaces are connected to the upper computer or the redundant controller through independent RJ45 connectors respectively. The RM I/O interfaces communicate over remote I/O ethernet via separate RJ45 connectors. The base body is connected with the redundancy controller through different CPCI connectors, the CPCI connectors are connected with the HMI interface, the BUS interface, the RM I/O interface, the PWR interface and the SYNC interface through hard connecting wires, and communication wires are connected among the CPCI connectors. Different CPCI connectors are connected with the same PWR interface, and the PWR interface is connected with a DC24V power supply for supplying power; different CPCI connectors are connected with the same SYNC interface to perform B code timing.
The above-described preferred embodiments of the present invention are not intended to limit the present invention, and it should be understood by those skilled in the art that the present invention can be modified and replaced by other simple modifications and replacements without departing from the spirit and principle of the present invention, and these modifications and replacements also fall within the protection scope of the appended claims.
Claims (10)
1. A redundant base of distributed control system controller for a thermal power plant, characterized in that: the device comprises a base body, and an HMI interface, a BUS interface, an RM I/O interface, a PWR interface and a SYNC interface which are arranged on the base body; the HMI interface is provided with a plurality of groups in a subarea area and is communicated with an upper computer or a redundant controller; the BUS interfaces are arranged in different areas and are connected with the branch I/O modules for communication, and the redundant controllers can access the BUS interfaces; the RM I/O interface is provided with a plurality of groups in a subarea and is connected with a redundant controller for remote I/O Ethernet communication; the PWR interface be many needles screw terminal with the SYNC interface, the PWR interface is used for power input and auxiliary communication, the SYNC interface is used for the controller to the time.
2. The redundant base of distributed control system controllers for a thermal power plant of claim 1, wherein: the number of the HMI interfaces is 4, and each group of 2 interfaces is divided into two groups; the number of the BUS interfaces is 12, and 6 BUS interfaces are arranged in two groups; the number of the RM I/O interfaces is 4, and 2 of the RM I/O interfaces are arranged in two groups.
3. The redundant base of distributed control system controllers for a thermal power plant according to claim 1 or 2, characterized in that: the HMI interface and the RM I/O interface adopt RJ45 Ethernet interfaces, and the BUS interface adopts an RJ45 interface type RS485 serial port.
4. The redundant base of distributed control system controllers for a thermal power plant according to claim 3, wherein: and each BUS interface is connected with each branch I/O module through an independent RJ45 connector.
5. The redundant base of distributed control system controllers for a thermal power plant according to claim 3, wherein: the HMI interfaces are respectively connected with an upper computer or a redundant controller through independent RJ45 connectors.
6. The redundant base of distributed control system controllers for a thermal power plant according to claim 3, wherein: the RM I/O interfaces are respectively used for remote I/O Ethernet communication through independent RJ45 connectors.
7. The redundant base of distributed control system controllers for a thermal power plant according to claim 1 or 2, characterized in that: the PWR interface and SYNC interface all adopt 8 pin screw terminals.
8. The redundant base of distributed control system controllers for a thermal power plant of claim 1, wherein: the base body is connected with the redundancy controller through different CPCI connectors, the CPCI connectors are connected with the HMI interface, the BUS interface, the RM I/O interface and the PWR interface through hard connecting wires, and communication wires are connected among the CPCI connectors.
9. The redundant base of distributed control system controllers for a thermal power plant of claim 8, wherein: different CPCI connectors are connected with the same PWR interface, and the PWR interface is connected with a DC24V power supply for supplying power;
different CPCI connectors are connected with the same SYNC interface to perform B code timing.
10. The redundant base of distributed control system controllers for a thermal power plant of claim 8, wherein: the base body on be provided with redundant controller connection area, redundant controller has display screen and each interface status signal lamp.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122706116.5U CN215067768U (en) | 2021-11-08 | 2021-11-08 | A redundant base of distributed control system controller for thermal power plant |
| JP2022000711U JP3237723U (en) | 2021-11-08 | 2022-03-08 | Redundant base of distributed control system controller for thermal power plants |
| DE202022102795.1U DE202022102795U1 (en) | 2021-11-08 | 2022-05-20 | Redundant basis for control of a distributed control system for a thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122706116.5U CN215067768U (en) | 2021-11-08 | 2021-11-08 | A redundant base of distributed control system controller for thermal power plant |
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| Publication Number | Publication Date |
|---|---|
| CN215067768U true CN215067768U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122706116.5U Active CN215067768U (en) | 2021-11-08 | 2021-11-08 | A redundant base of distributed control system controller for thermal power plant |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3237723U (en) |
| CN (1) | CN215067768U (en) |
| DE (1) | DE202022102795U1 (en) |
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2021
- 2021-11-08 CN CN202122706116.5U patent/CN215067768U/en active Active
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2022
- 2022-03-08 JP JP2022000711U patent/JP3237723U/en active Active
- 2022-05-20 DE DE202022102795.1U patent/DE202022102795U1/en active Active
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| Publication number | Publication date |
|---|---|
| DE202022102795U1 (en) | 2022-08-09 |
| JP3237723U (en) | 2022-06-03 |
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