CN115236966A - Nuclear power station rod control rod position ring network system based on PLC and networking method - Google Patents
Nuclear power station rod control rod position ring network system based on PLC and networking method Download PDFInfo
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Abstract
The invention discloses a nuclear power station rod control position ring network system based on PLC and a networking method, wherein the rod control position ring network system in a traditional nuclear power plant is improved, a rod position processing cabinet ring network, a rod control logic cabinet ring network and an external ring network are introduced into the traditional rod control position system, and a new communication ring network among rod control position system equipment is formed together; because the rod position processing cabinet annular network and the rod control logic cabinet annular network are respectively positioned in the rod position processing cabinet and the rod control logic cabinet and are mutually independent from the external annular network, and data interaction between the annular networks is carried out through a pair of redundant CPU frames, the normal communication of the whole system cannot be influenced when any node in the system goes wrong, and the reliability of the system is improved.
Description
Technical Field
The invention relates to the field of pressurized water reactor nuclear power stations, in particular to a nuclear power station rod control rod position annular network system based on a PLC and a networking method.
Background
The rod control rod position system equipment is used for providing time sequence current for the control rod driving mechanism, controlling the lifting, the keeping and the insertion of a reactor control rod in a reactor core, and adjusting the reactivity of the reactor, thereby realizing the functions of starting, running with load and shutdown of the reactor; and meanwhile, the actual position of the control rod in the reactor core is monitored, and whether the control rod has abnormal phenomena such as rod sliding and rod clamping in the operation process is monitored. The rod control rod position system equipment mainly comprises a rod control power supply cabinet, a rod control logic cabinet, a rod position measuring cabinet and a rod position processing cabinet, and a digital control network is required to be formed between the cabinets and the inside of a single cabinet for system information transmission and system information external transmission.
The communication design of the rod control rod position system equipment in the traditional nuclear power plant is a node network, and the network medium is a coaxial cable. The network design needs to use a special node connection module as a communication terminal, the redundant network configuration is realized by setting a redundant coaxial cable, a redundant node module is needed, the network structure is complex, and the number of cables is large; the manufacturing requirement on the on-site coaxial cable of the equipment is high, and communication node faults caused by the fact that the wiring process does not meet the requirement easily occur; the communication module corresponding to each communication node needs manual dialing to set an address, and the operation is inconvenient.
In view of this, the present application is specifically made.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the traditional rod control rod position system is easy to cause communication failure of the whole system once a single fault occurs. The system is provided with an internal ring network (a rod position processing cabinet ring network and a rod control logic ring network) and an external ring network to form mutually independent communication network architectures, so that the communication failure of the whole system caused by a single fault is avoided, and the reliability of the system is improved.
The invention is realized by the following technical scheme:
on the one hand, the method comprises the following steps of,
the invention provides a nuclear power station rod control rod position ring network system based on PLC, comprising: the rod position processing cabinet is used for realizing the communication between the internal ring network of the rod position processing cabinet and external equipment; the rod position processing cabinet annular network comprises: a processing cabinet CPU frame and a processing cabinet redundant CPU frame; the rod control logic cabinet ring network is used for realizing the communication between the internal ring network of the rod control logic cabinet and external equipment; the rod control logic cabinet annular network comprises: a logic cabinet CPU frame and a logic cabinet redundant CPU frame; further comprising: the system comprises main control room equipment, a rod control power cabinet group, a first optical fiber switch, a second optical fiber switch, a third optical fiber switch and a fourth optical fiber switch; the system comprises a processing cabinet CPU framework, a processing cabinet redundant CPU framework, a logic cabinet redundant CPU framework, a main control room device, a rod control power supply cabinet group, a first optical fiber switch, a second optical fiber switch, a third optical fiber switch and a fourth optical fiber switch which are connected end to form an external ring network.
In a further aspect of the present invention,
in the external ring network, a first optical fiber switch, a processing cabinet CPU frame, a processing cabinet redundant CPU frame and a second optical fiber switch are positioned in the rod position processing cabinet and are sequentially connected through an external network cable; the third optical fiber switch, the logic cabinet CPU frame, the logic cabinet redundant CPU frame and the first dead optical fiber switch are positioned in the rod control logic cabinet and are sequentially connected through an external network cable; the rod control power cabinet group comprises a plurality of rod control power cabinets connected end to end, and adjacent rod control power cabinets are connected through an external network cable; first fiber switch passes through outer net fiber connection with main control room equipment, and main control room equipment passes through outer net fiber connection with the third fiber switch, and the redundant CPU frame of logic cabinet passes through outer net network connection with the excellent accuse power cabinet that is located the head end, and the excellent accuse power cabinet that is located the tail end passes through outer net network connection and is connected with the fourth fiber switch, and the fourth fiber switch passes through outer net fiber connection with the second fiber switch.
Further, in the above-mentioned case,
the rod position processing cabinet annular network further comprises: the system comprises a processing cabinet switch, a processing cabinet upper computer and a plurality of processing cabinet IO frames; the processing cabinet CPU frame includes: the first CPU communication module and the second CPU communication module; the redundant CPU framework of processing cabinet includes: the first redundant CPU communication module and the second redundant CPU communication module; each processing cabinet IO frame comprises a processing cabinet communication module; the plurality of processing cabinet communication modules are connected end to end through an internal network cable, the processing cabinet communication module positioned at the head end is connected with a processing cabinet exchanger through the internal network cable, and the processing cabinet communication module positioned at the tail end is connected with a first redundant CPU communication module through the internal network cable; the first CPU communication module is connected with the first redundant CPU communication module and the processing cabinet switch through an internal network cable; the second CPU communication module is connected with the first optical fiber switch and the second redundant CPU communication module through an external network cable; and the second redundant CPU communication module is connected with a second optical fiber switch through an external network cable.
Further, in the above-mentioned case,
the rod control logic cabinet annular network further comprises: the system comprises a logic cabinet switch, a logic cabinet upper computer and a plurality of logic cabinet IO frames; the logic cabinet CPU framework comprises: a third CPU communication module and a fourth CPU communication module; the logic cabinet redundant CPU framework comprises: a third redundant CPU communication module and a fourth redundant CPU communication module; each logic cabinet IO frame comprises a logic cabinet communication module; the logic cabinet communication modules are connected end to end through an internal network cable, the logic cabinet communication module at the head end is connected with a logic cabinet switch through the internal network cable, and the logic cabinet communication module at the tail end is connected with a third redundant CPU communication module through the internal network cable; the third CPU communication module is connected with the third redundant CPU communication module and the logic cabinet switch through an internal network cable; the fourth CPU communication module is connected with the third optical fiber switch and the fourth redundant CPU communication module through an external network cable; the fourth redundant CPU communication module is connected with a processing cabinet communication module at the head end through an external network cable and is connected with a processing cabinet switch.
Further, in the above-mentioned case,
each rod-controlled power cabinet comprises a power cabinet communication module, the power cabinet communication module in the rod-controlled power cabinet at the head end is connected with a fourth redundant CPU communication module through an external network cable, and the power cabinet communication module in the rod-controlled power cabinet at the tail end is connected with a fourth optical fiber switch through the external network cable.
In a further aspect of the present invention,
in the rod position processing cabinet annular network and the rod control logic cabinet annular network, each communication module adopts an Ethernet interface with one input end and one output end.
On the other hand, in the case of a liquid,
the invention provides a nuclear power station rod control position ring network networking method based on a PLC (programmable logic controller), which comprises the following steps of: arrange first fiber switch, second fiber switch and be used for realizing rod position in the rod position processing cabinet internal ring network communication and the rod position processing cabinet ring network of communication between the external equipment, rod position processing cabinet ring network includes: a processing cabinet CPU frame and a processing cabinet redundant CPU frame; connecting a first optical fiber switch, a processing cabinet CPU frame, a processing cabinet redundant CPU frame and a second optical fiber switch in sequence through an external network cable; arranging a third optical fiber switch, a fourth optical fiber switch and a rod control logic cabinet ring network for realizing the communication between the rod control logic cabinet internal ring network and the external equipment in the rod control logic cabinet, wherein the rod control logic cabinet ring network comprises: a logic cabinet CPU frame and a logic cabinet redundant CPU frame; connecting a third optical fiber switch, a logic cabinet CPU frame and a logic cabinet redundant CPU frame in sequence through an external network cable; arranging master control room equipment; connecting a plurality of rod-controlled power cabinets end to end through an external network cable to form a rod-controlled power cabinet group; the first optical fiber switch, the main control room equipment and the third optical fiber switch are sequentially connected through outer network optical fibers, the logic cabinet redundant CPU frame and the rod control power cabinet located at the head end are connected through outer network cables, the rod control power cabinet located at the tail end and the fourth optical fiber switch are connected through outer network cables, the fourth optical fiber switch and the second optical fiber switch are connected through outer network optical fibers, and the nuclear power station rod control rod position annular network based on the PLC is obtained.
Further, in the above-mentioned case,
the arrangement method of the rod position processing cabinet annular network comprises the following steps: arranging a processing cabinet switch, a processing cabinet upper computer and a plurality of processing cabinet IO frames in the rod position processing cabinet; a first CPU communication module and a second CPU communication module are arranged in a CPU framework of the processing cabinet, a first redundant CPU communication module and a second redundant CPU communication module are arranged in a redundant CPU framework of the processing cabinet, and a processing cabinet communication module is arranged in each IO framework of the processing cabinet; a plurality of processing cabinet communication modules are connected end to end through an internal network cable, the processing cabinet communication module at the head end is connected with a processing cabinet switch through the internal network cable, the processing cabinet communication module at the tail end is connected with a first redundant CPU communication module through the internal network cable, the first CPU communication module is connected with the first redundant CPU communication module and the processing cabinet switch through the internal network cable, the second CPU communication module is connected with the first optical fiber switch and the second redundant CPU communication module through an external network cable, and the second redundant CPU communication module is connected with the second optical fiber switch through the external network cable to obtain the rod position processing cabinet annular network.
Further, in the above-mentioned case,
the arrangement method of the rod control logic cabinet annular network comprises the following steps: arranging a logic cabinet switch, a logic cabinet upper computer and a plurality of logic cabinet IO frames in the rod control logic cabinet; a third CPU communication module and a fourth CPU communication module are arranged in a logic cabinet CPU framework, a third redundant CPU communication module and a fourth redundant CPU communication module are arranged in a logic cabinet redundant CPU framework, and a logic cabinet communication module is arranged in each logic cabinet IO framework; connecting a plurality of logic cabinet communication modules end to end through an internal network cable, connecting the logic cabinet communication module positioned at the head end with a logic cabinet switch through the internal network cable, connecting the logic cabinet communication module positioned at the tail end with a third redundant CPU communication module through the internal network cable, and connecting the third CPU communication module with the third redundant CPU communication module and the logic cabinet switch through the internal network cable; and connecting a fourth CPU communication module with a third optical fiber switch and a fourth redundant CPU communication module through an external network cable, and connecting the fourth redundant CPU communication module with a processing cabinet communication module at the head end through the external network cable to connect with a processing cabinet switch to obtain the rod control logic cabinet ring network.
Further, in the above-mentioned case,
the nuclear power station rod control position ring network networking method based on the PLC further comprises the following steps: a power cabinet communication module is arranged in each rod control power cabinet; connecting a power cabinet communication module in the rod-controlled power cabinet at the head end with a fourth redundant CPU communication module through an external network cable, and connecting a power cabinet communication module in the rod-controlled power cabinet at the tail end with a fourth optical fiber switch through the external network cable; and setting network interfaces of each communication module in the rod position processing cabinet annular network and the rod control logic cabinet annular network as Ethernet interfaces with one input end and one output end.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention provides a nuclear power station rod control position ring network system based on PLC and a networking method, which improve the rod control position system in the traditional nuclear power plant, introduce a rod position processing cabinet ring network, a rod control logic cabinet ring network and an external ring network into the traditional rod control position system, and jointly form a new communication ring network among rod control position system equipment; because the rod position processing cabinet annular network and the rod control logic cabinet annular network are respectively positioned in the rod position processing cabinet and the rod control logic cabinet, are mutually independent from the external annular network, and carry out data interaction between the annular networks through a pair of redundant CPU frames, the normal communication of the whole system cannot be influenced when any node in the system goes wrong, and the reliability of the system is improved.
2. According to the nuclear power plant rod control position annular network system based on the PLC and the networking method, each communication module in the system adopts a network interface with one input end and one output end, so that the communication wiring quantity of a redundant system is effectively reduced, and compared with a traditional rod control position system in a nuclear power plant, the system structure is greatly simplified; and the network interface adopts an Ethernet interface with mature technology, thereby further improving the reliability of the system.
3. According to the nuclear power station rod control rod position ring network system based on the PLC and the networking method, the upper computers are arranged in the rod position processing cabinet ring network and the rod control logic cabinet ring network, and an IP address is configured for each communication node through the upper computers, so that manual dialing is replaced, human errors are reduced, and the reliability and operability of equipment are improved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of a communication network structure of a rod position control system of a conventional nuclear power plant according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of an external ring network structure according to embodiment 1 of the present invention;
fig. 3 is a schematic diagram of a ring network structure of a rod position processing cabinet according to embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a ring network structure of a rod-controlled logic cabinet according to embodiment 1 of the present invention;
fig. 5 is a schematic view of a ring network structure of the rod-controlled power supply cabinet set according to embodiment 1 of the present invention;
fig. 6 is a schematic view of an overall structure of a rod control rod position system network according to embodiment 1 of the present invention.
Reference numbers and corresponding part names in the figures:
3-main control room equipment, 4-rod control power supply cabinet group, 5-first optical fiber switch, 6-second optical fiber switch, 7-third optical fiber switch, 8-fourth optical fiber switch, 11-processing cabinet CPU framework, 12-processing cabinet redundant CPU framework, 13-processing cabinet switch, 14-processing cabinet upper computer, 15-processing cabinet IO framework, 21-logic cabinet CPU framework, 22-logic cabinet redundant CPU framework, 23-logic cabinet switch, 24-logic cabinet upper computer, 25-logic cabinet IO framework, 111-first CPU communication module, 112-second CPU communication module, 121-first redundant CPU communication module, 122-second redundant CPU communication module, 211-third CPU communication module, 212-fourth CPU communication module, 221-third redundant CPU communication module, 222-fourth redundant CPU communication module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1, the communication of the rod control rod position system equipment in the conventional nuclear power plant is designed as a node network, and the network medium is a coaxial cable. The network design needs to use a special node connection module as a communication terminal, the redundant network configuration is realized by setting a redundant coaxial cable, and the redundant node module is needed, the network structure is complex, and the number of cables is large. In addition, the manufacturing requirement on the on-site coaxial cable of the equipment is high, and communication node faults caused by the fact that the wiring process does not meet the requirement easily occur. In addition, the communication module corresponding to each communication node needs manual dialing to set an address, and the operation is inconvenient.
To the above-mentioned defect of traditional excellent accuse position system equipment, this embodiment provides a novel nuclear power station excellent accuse position ring network system based on PLC, introduce the ring network in traditional including excellent position system, when system equipment realizes the ring network, arrange one set of ring network respectively in excellent position processing cabinet and excellent accuse logic cabinet, constitute the communication looped netowrk between nuclear power station excellent accuse position system equipment jointly, and guarantee that ring network among ring network and excellent position processing cabinet and the excellent logical cabinet of accuse mutually independent between the equipment, carry out the data interaction between the ring network through a pair of redundant CPU frame, thereby realize that any node goes wrong in the system and can not influence entire system's normal communication, promote system's reliability.
In particular, the method comprises the following steps of,
as shown in fig. 2, the nuclear power plant rod control rod position ring network system based on PLC includes: the rod position processing cabinet ring network is used for realizing the communication between the internal ring network of the rod position processing cabinet and external equipment; the rod position processing cabinet annular network comprises: a processing cabinet CPU frame and a processing cabinet redundant CPU frame; the rod control logic cabinet ring network is used for realizing the communication between the internal ring network of the rod control logic cabinet and external equipment; the rod control logic cabinet annular network comprises: a logic cabinet CPU framework and a logic cabinet redundant CPU framework. The system further comprises: the system comprises main control room equipment, a rod control power cabinet group, a first optical fiber switch, a second optical fiber switch, a third optical fiber switch and a fourth optical fiber switch; the system comprises a processing cabinet CPU framework, a processing cabinet redundant CPU framework, a logic cabinet redundant CPU framework, a main control room device, a rod control power supply cabinet group, a first optical fiber switch, a second optical fiber switch, a third optical fiber switch and a fourth optical fiber switch which are connected end to form an external ring network. The master control room device includes: test line and host computer.
Further, in the above-mentioned case,
in the external ring network, a first optical fiber switch, a processing cabinet CPU frame, a processing cabinet redundant CPU frame and a second optical fiber switch are positioned in the rod position processing cabinet and are sequentially connected through an external network cable; the third optical fiber switch, the logic cabinet CPU frame, the logic cabinet redundant CPU frame and the first dead optical fiber switch are positioned in the rod control logic cabinet and are sequentially connected through an external network cable; the rod-controlled power supply cabinet group comprises a plurality of rod-controlled power supply cabinets connected end to end, and adjacent rod-controlled power supply cabinets are connected through an external network cable; first fiber switch passes through outer net fiber connection with main control room equipment, and main control room equipment passes through outer net fiber connection with the third fiber switch, and the redundant CPU frame of logic cabinet passes through outer net network connection with the stick accuse power cabinet that is located the head end, and the stick accuse power cabinet that is located the tail end passes through outer net network connection to be connected with fourth fiber switch, and fourth fiber switch passes through outer net fiber connection with second fiber switch.
As shown in fig. 3, the rod position processing cabinet ring network further includes: the system comprises a processing cabinet switch, a processing cabinet upper computer and a plurality of processing cabinet IO frames; the processing cabinet CPU frame includes: the first CPU communication module and the second CPU communication module; the redundant CPU framework of processing cabinet includes: the first redundant CPU communication module and the second redundant CPU communication module; each processing cabinet IO frame comprises a processing cabinet communication module; the plurality of processing cabinet communication modules are connected end to end through an internal network cable, the processing cabinet communication module positioned at the head end is connected with a processing cabinet exchanger through the internal network cable, and the processing cabinet communication module positioned at the tail end is connected with a first redundant CPU communication module through the internal network cable; the first CPU communication module is connected with the first redundant CPU communication module and the processing cabinet switch through an internal network cable; the second CPU communication module is connected with the first optical fiber switch and the second redundant CPU communication module through an external network cable; and the second redundant CPU communication module is connected with the second optical fiber switch through an external network cable.
The internal equipment of the rod position processing cabinet comprises two mutually redundant CPU frames, a plurality of IO frames, a switch and an upper computer. Each CPU frame is provided with two network communication modules, wherein one of the two network communication modules is responsible for communicating with the internal ring network of the cabinet, and the other network communication module is responsible for communicating with the external ring network. And each IO frame is provided with a network communication module which is only responsible for the communication of the ring network in the cabinet. The upper computer of the rod control logic cabinet is connected with the network communication modules on the CPU frame and the IO frame through the switch respectively, so that a ring network is formed inside the whole rod control logic cabinet, any network communication module is damaged or a network cable is broken, and equipment can communicate normally.
The communication modules in the whole rod position processing cabinet are in a one-in one-out mode, namely, each communication module adopts a network interface with one input end and one output end, so that the communication wiring quantity of a redundant system is effectively reduced, and compared with a rod position control system in a traditional nuclear power plant, the system structure is greatly simplified; and the network interface adopts an Ethernet interface with mature technology, thereby further improving the reliability of the system.
Because communication module can't the direct connection optic fibre, consequently set up two fiber switch in stick position treatment cabinet inside, be responsible for the conversion of net twine and optic fibre. In addition, because the rod position processing cabinet is not directly connected with the power supply cabinet, a communication module on the redundant CPU framework is connected with the rod control logic cabinet through the optical fiber switch.
As shown in fig. 4, the rod control logic cabinet ring network further includes: the system comprises a logic cabinet switch, a logic cabinet upper computer and a plurality of logic cabinet IO frames; the logic cabinet CPU framework comprises: a third CPU communication module and a fourth CPU communication module; the logic cabinet redundant CPU framework comprises: a third redundant CPU communication module and a fourth redundant CPU communication module; each logic cabinet IO frame comprises a logic cabinet communication module; the logic cabinet communication modules are connected end to end through an internal network cable, the logic cabinet communication module at the head end is connected with a logic cabinet switch through the internal network cable, and the logic cabinet communication module at the tail end is connected with a third redundant CPU communication module through the internal network cable; the third CPU communication module is connected with the third redundant CPU communication module and the logic cabinet switch through an internal network cable; the fourth CPU communication module is connected with the third optical fiber switch and the fourth redundant CPU communication module through an external network cable; the fourth redundant CPU communication module is connected with a processing cabinet communication module at the head end through an external network cable and is connected with a processing cabinet switch.
As shown in fig. 5, each rod-controlled power supply cabinet includes a power supply cabinet communication module, the power supply cabinet communication module in the rod-controlled power supply cabinet at the head end is connected to the fourth redundant CPU communication module through an external network cable, and the power supply cabinet communication module in the rod-controlled power supply cabinet at the tail end is connected to the fourth optical fiber switch through an external network cable.
The overall structure of the nuclear power plant rod control position ring network system based on the PLC is shown in fig. 6. The devices are respectively positioned in the rod control area, the rod position area and the main control room. Since the areas are far apart, the present embodiment uses optical fiber to communicate between different areas, and the devices in the areas communicate via network cables. The rod control logic cabinet annular network and the rod position processing cabinet annular network are respectively arranged in the rod control logic cabinet and the rod position processing cabinet, and are communicated with the external annular network through respective internal redundant CPU frames, so that the rod control logic cabinet annular network, the rod position processing cabinet annular network and the external annular network are ensured to be mutually independent, the condition that any node in the network has a problem cannot influence equipment communication, and the reliability of the rod control rod position system is improved. And moreover, the rod position processing cabinet annular network and the rod control logic cabinet annular network are provided with the upper computer, and an IP address is configured for each communication node through the upper computer, so that manual dialing is replaced, human errors are reduced, and the reliability and operability of equipment are improved.
Example 2
Corresponding to embodiment 1, this embodiment provides a nuclear power plant rod control position ring network networking method based on a PLC, including the following steps:
step 1: arrange first fiber switch, second fiber switch and be used for realizing rod position in the rod position processing cabinet internal ring network communication and the rod position processing cabinet ring network of communication between the external equipment, rod position processing cabinet ring network includes: a processing cabinet CPU frame and a processing cabinet redundant CPU frame.
Step 2: and the first optical fiber switch, the processing cabinet CPU frame, the processing cabinet redundant CPU frame and the second optical fiber switch are sequentially connected through an external network cable.
And step 3: arranging a third optical fiber switch, a fourth optical fiber switch and a rod control logic cabinet ring network for realizing the communication between the rod control logic cabinet internal ring network and the external equipment in the rod control logic cabinet, wherein the rod control logic cabinet ring network comprises: a logic cabinet CPU framework and a logic cabinet redundant CPU framework.
And 4, step 4: and sequentially connecting the third optical fiber switch, the logic cabinet CPU framework and the logic cabinet redundant CPU framework through an external network cable.
And 5: and arranging main control room equipment, wherein the main control room equipment comprises a test line and an upper computer.
Step 6: and connecting the plurality of rod-controlled power cabinets end to end through the external network cables to form a rod-controlled power cabinet group. A power supply cabinet communication module is arranged in each rod control power supply cabinet; connecting a power cabinet communication module in the rod-controlled power cabinet at the head end with a fourth redundant CPU communication module through an external network cable, and connecting a power cabinet communication module in the rod-controlled power cabinet at the tail end with a fourth optical fiber switch through the external network cable; and setting network interfaces of each communication module in the rod position processing cabinet annular network and the rod control logic cabinet annular network as Ethernet interfaces with one input end and one output end.
The first optical fiber switch, the main control room equipment and the third optical fiber switch are sequentially connected through outer network optical fibers, the logic cabinet redundant CPU frame and the rod control power cabinet located at the head end are connected through outer network cables, the rod control power cabinet located at the tail end and the fourth optical fiber switch are connected through outer network cables, the fourth optical fiber switch and the second optical fiber switch are connected through outer network optical fibers, and the nuclear power station rod control rod position annular network based on the PLC is obtained.
Wherein the content of the first and second substances,
the arrangement method of the rod position processing cabinet annular network comprises the following steps:
step 1.1: a processing cabinet switch, a processing cabinet upper computer and a plurality of processing cabinet IO frames are arranged in the rod position processing cabinet.
Step 1.2: a first CPU communication module and a second CPU communication module are arranged in a CPU framework of the processing cabinet, a first redundant CPU communication module and a second redundant CPU communication module are arranged in a redundant CPU framework of the processing cabinet, and a processing cabinet communication module is arranged in each IO framework of the processing cabinet.
Step 1.3: a plurality of processing cabinet communication modules are connected end to end through an internal network cable, the processing cabinet communication module at the head end is connected with a processing cabinet switch through the internal network cable, the processing cabinet communication module at the tail end is connected with a first redundant CPU communication module through the internal network cable, the first CPU communication module is connected with the first redundant CPU communication module and the processing cabinet switch through the internal network cable, the second CPU communication module is connected with the first optical fiber switch and the second redundant CPU communication module through an external network cable, and the second redundant CPU communication module is connected with the second optical fiber switch through the external network cable to obtain the rod position processing cabinet annular network.
The arrangement method of the rod control logic cabinet annular network comprises the following steps:
step 3.1: and a logic cabinet switch, a logic cabinet upper computer and a plurality of logic cabinet IO frames are arranged in the rod control logic cabinet.
Step 3.2: and a third CPU communication module and a fourth CPU communication module are arranged in the logic cabinet CPU framework, a third redundant CPU communication module and a fourth redundant CPU communication module are arranged in the logic cabinet redundant CPU framework, and a logic cabinet communication module is arranged in each logic cabinet IO framework.
Step 3.3: connecting a plurality of logic cabinet communication modules end to end through an internal network cable, connecting the logic cabinet communication module positioned at the head end with a logic cabinet switch through the internal network cable, connecting the logic cabinet communication module positioned at the tail end with a third redundant CPU communication module through the internal network cable, and connecting the third CPU communication module with the third redundant CPU communication module and the logic cabinet switch through the internal network cable; and connecting a fourth CPU communication module with a third optical fiber switch and a fourth redundant CPU communication module through an external network cable, and connecting the fourth redundant CPU communication module with a processing cabinet communication module at the head end through the external network cable to connect with a processing cabinet switch to obtain the rod control logic cabinet ring network.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a nuclear power station stick accuse stick position ring network system based on PLC which characterized in that includes:
the rod position processing cabinet ring network is used for realizing the communication between the internal ring network of the rod position processing cabinet and external equipment; the rod position processing cabinet annular network comprises: a processing cabinet CPU frame (11) and a processing cabinet redundant CPU frame (12);
the rod control logic cabinet ring network is used for realizing the communication between the internal ring network of the rod control logic cabinet and external equipment; the rod control logic cabinet annular network comprises: a logic cabinet CPU frame (21) and a logic cabinet redundant CPU frame (22);
further comprising: the system comprises main control room equipment (3), a rod control power cabinet group (4), a first optical fiber switch (5), a second optical fiber switch (6), a third optical fiber switch (7) and a fourth optical fiber switch (8);
the system comprises a processing cabinet CPU framework (11), a processing cabinet redundant CPU framework (12), a logic cabinet CPU framework (21), a logic cabinet redundant CPU framework (22), main control room equipment (3), a rod control power cabinet group (4), a first optical fiber switch (5), a second optical fiber switch (6), a third optical fiber switch (7) and a fourth optical fiber switch (8) which are connected end to form an external ring network.
2. The PLC-based nuclear power plant rod-control position ring network system of claim 1, wherein in the external ring network,
the first optical fiber switch (5), the processing cabinet CPU frame (11), the processing cabinet redundant CPU frame (12) and the second optical fiber switch (6) are positioned in the rod position processing cabinet and are sequentially connected through an external network cable;
the third optical fiber switch (7), the logic cabinet CPU framework (21), the logic cabinet redundant CPU framework (22) and the first dead optical fiber switch (8) are positioned in the rod control logic cabinet, and the third optical fiber switch (7), the logic cabinet CPU framework (21) and the logic cabinet redundant CPU framework (22) are sequentially connected through an external network cable;
the rod control power supply cabinet group (4) comprises a plurality of rod control power supply cabinets which are connected end to end, and adjacent rod control power supply cabinets are connected through an external network cable;
first fiber switch (5) pass through outer net fiber connection with main control room equipment (3), main control room equipment (3) pass through outer net fiber connection with third fiber switch (7), logical cabinet redundancy CPU frame (22) passes through outer net network line connection with the stick accuse power cabinet that is located the head end, the stick accuse power cabinet that is located the tail end passes through outer net network line and is connected with fourth fiber switch (8), fourth fiber switch (8) pass through outer net fiber connection with second fiber switch (6).
3. The PLC-based nuclear power plant rod control rod position ring network system of claim 2, wherein the rod position processing cabinet ring network further comprises:
the system comprises a processing cabinet switch (13), a processing cabinet upper computer (14) and a plurality of processing cabinet IO frames (15);
the processing cabinet CPU frame (11) comprises: a first CPU communication module (111) and a second CPU communication module (112);
the processing cabinet redundant CPU frame (12) comprises: a first redundant CPU communication module (121) and a second redundant CPU communication module (122);
each processing cabinet IO frame (15) comprises a processing cabinet communication module;
the plurality of processing cabinet communication modules are connected end to end through an internal network cable, the processing cabinet communication module at the head end is connected with a processing cabinet switch (13) through the internal network cable, and the processing cabinet communication module at the tail end is connected with a first redundant CPU communication module (121) through the internal network cable;
the first CPU communication module (111) is connected with the first redundant CPU communication module (121) and the processing cabinet switch (13) through an intranet network cable; the second CPU communication module (112) is connected with the first optical fiber switch (5) and the second redundant CPU communication module (122) through an external network cable; and the second redundant CPU communication module (122) is connected with the second optical fiber switch (6) through an external network cable.
4. The PLC-based nuclear power plant rod-control position ring network system of claim 2, wherein the rod-control logic cabinet ring network further comprises:
the system comprises a logic cabinet switch (23), a logic cabinet upper computer (24) and a plurality of logic cabinet IO frames (25);
the logic cabinet CPU frame (21) comprises: a third CPU communication module (211) and a fourth CPU communication module (212);
the logic cabinet redundant CPU framework (22) comprises: a third redundant CPU communication module (221) and a fourth redundant CPU communication module (222);
each logic cabinet IO frame (25) comprises a logic cabinet communication module;
the logic cabinet communication modules are connected end to end through an internal network cable, the logic cabinet communication module positioned at the head end is connected with a logic cabinet switch (23) through the internal network cable, and the logic cabinet communication module positioned at the tail end is connected with a third redundant CPU communication module (221) through the internal network cable;
the third CPU communication module (211) is connected with a third redundant CPU communication module (221) and the logic cabinet switch (23) through an intranet network cable; the fourth CPU communication module (212) is connected with the third optical fiber switch (7) and the fourth redundant CPU communication module (222) through an external network cable; the fourth redundant CPU communication module (222) is connected with a processing cabinet communication module connection processing cabinet switch (13) at the head end through an external network cable.
5. The PLC-based nuclear power plant rod-controlled rod position ring network system according to claim 2, wherein each rod-controlled power cabinet comprises a power cabinet communication module, the power cabinet communication module in the rod-controlled power cabinet at the head end is connected with the fourth redundant CPU communication module (222) through an external network cable, and the power cabinet communication module in the rod-controlled power cabinet at the tail end is connected with the fourth optical fiber switch (8) through an external network cable.
6. The PLC-based nuclear power plant rod control position ring network system according to any one of claims 1 to 5, wherein each communication module in the rod position processing cabinet ring network and the rod control logic cabinet ring network adopts an Ethernet network interface with one input end and one output end.
7. A nuclear power station rod control rod position ring network networking method based on a PLC is characterized by comprising the following steps:
arrange first fiber switch, second fiber switch and be used for realizing rod position in the rod position processing cabinet internal ring network communication and the rod position processing cabinet ring network of communication between the external equipment, rod position processing cabinet ring network includes: a processing cabinet CPU frame and a processing cabinet redundant CPU frame;
connecting a first optical fiber switch, a processing cabinet CPU frame, a processing cabinet redundant CPU frame and a second optical fiber switch in sequence through an external network cable;
arranging a third optical fiber switch, a fourth optical fiber switch and a rod control logic cabinet ring network for realizing the communication between the rod control logic cabinet internal ring network and the external equipment in the rod control logic cabinet, wherein the rod control logic cabinet ring network comprises: a logic cabinet CPU frame and a logic cabinet redundant CPU frame;
connecting a third optical fiber switch, a logic cabinet CPU framework and a logic cabinet redundant CPU framework in sequence through an external network cable;
arranging master control room equipment;
connecting a plurality of rod-controlled power cabinets end to end through an external network cable to form a rod-controlled power cabinet group;
the first optical fiber switch, the main control room equipment and the third optical fiber switch are sequentially connected through outer network optical fibers, the logic cabinet redundant CPU frame and the rod control power cabinet located at the head end are connected through outer network cables, the rod control power cabinet located at the tail end and the fourth optical fiber switch are connected through outer network cables, the fourth optical fiber switch and the second optical fiber switch are connected through outer network optical fibers, and the nuclear power station rod control rod position annular network based on the PLC is obtained.
8. The PLC-based nuclear power plant rod control position ring network networking method according to claim 7, wherein the arrangement method of the rod position processing cabinet ring network comprises the following steps:
arranging a processing cabinet switch, a processing cabinet upper computer and a plurality of processing cabinet IO frames in the rod position processing cabinet;
a first CPU communication module and a second CPU communication module are arranged in a processing cabinet CPU framework, a first redundant CPU communication module and a second redundant CPU communication module are arranged in a processing cabinet redundant CPU framework, and a processing cabinet communication module is arranged in each processing cabinet IO framework;
a plurality of processing cabinet communication modules are connected end to end through an internal network cable, the processing cabinet communication module at the head end is connected with a processing cabinet switch through the internal network cable, the processing cabinet communication module at the tail end is connected with a first redundant CPU communication module through the internal network cable, the first CPU communication module is connected with the first redundant CPU communication module and the processing cabinet switch through the internal network cable, the second CPU communication module is connected with the first optical fiber switch and the second redundant CPU communication module through an external network cable, and the second redundant CPU communication module is connected with the second optical fiber switch through the external network cable to obtain the rod position processing cabinet annular network.
9. The PLC-based nuclear power plant rod control position ring network networking method according to claim 7, wherein the arrangement method of the rod control logic cabinet ring network comprises the following steps:
arranging a logic cabinet switch, a logic cabinet upper computer and a plurality of logic cabinet IO frames in the rod control logic cabinet;
a third CPU communication module and a fourth CPU communication module are arranged in a logic cabinet CPU framework, a third redundant CPU communication module and a fourth redundant CPU communication module are arranged in a logic cabinet redundant CPU framework, and a logic cabinet communication module is arranged in each logic cabinet IO framework;
connecting a plurality of logic cabinet communication modules end to end through an internal network cable, connecting the logic cabinet communication module positioned at the head end with a logic cabinet switch through the internal network cable, connecting the logic cabinet communication module positioned at the tail end with a third redundant CPU communication module through the internal network cable, and connecting the third CPU communication module with the third redundant CPU communication module and the logic cabinet switch through the internal network cable; and connecting a fourth CPU communication module with a third optical fiber switch and a fourth redundant CPU communication module through an external network cable, and connecting the fourth redundant CPU communication module with a processing cabinet communication module at the head end through the external network cable to connect with a processing cabinet switch to obtain the rod control logic cabinet ring network.
10. The PLC-based nuclear power plant rod-control rod position ring network system according to claim 1, further comprising the steps of:
a power supply cabinet communication module is arranged in each rod control power supply cabinet;
connecting a power cabinet communication module in the rod-controlled power cabinet at the head end with a fourth redundant CPU communication module through an external network cable, and connecting a power cabinet communication module in the rod-controlled power cabinet at the tail end with a fourth optical fiber switch through the external network cable;
and setting network interfaces of each communication module in the rod position processing cabinet annular network and the rod control logic cabinet annular network as Ethernet interfaces with one input end and one output end.
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