CN117579407A - Communication equipment switching circuit, method, circuit board and device - Google Patents

Communication equipment switching circuit, method, circuit board and device Download PDF

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Publication number
CN117579407A
CN117579407A CN202311486430.4A CN202311486430A CN117579407A CN 117579407 A CN117579407 A CN 117579407A CN 202311486430 A CN202311486430 A CN 202311486430A CN 117579407 A CN117579407 A CN 117579407A
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CN
China
Prior art keywords
communication
terminal
relay
standby
communication device
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Pending
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CN202311486430.4A
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Chinese (zh)
Inventor
苏东方
魏楠
王瀚枢
李鑫
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Beijing Nera Stentofon Communication Equipment Co Ltd
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Beijing Nera Stentofon Communication Equipment Co Ltd
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Priority to CN202311486430.4A priority Critical patent/CN117579407A/en
Publication of CN117579407A publication Critical patent/CN117579407A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention relates to the field of emergency control of nuclear power plants, and discloses a switching circuit, a switching method, a circuit board and a switching device of communication equipment. When the emergency switching signal is received, the power switch of the embodiment can start the relay power supply to supply power to each relay so as to enable each relay to be in an electrified state. When each relay is in an electrified state, the main communication equipment can be controlled to be switched to the corresponding standby communication equipment, and all the main communication equipment is switched to all the corresponding standby communication equipment, so that intelligent switching and unified switching of the main communication equipment and the standby communication equipment are realized, and the switching efficiency of the main communication equipment and the standby communication equipment is effectively improved.

Description

Communication equipment switching circuit, method, circuit board and device
Technical Field
The invention relates to the field of emergency control of nuclear power plants, in particular to a switching circuit, a switching method, a circuit board and a switching device of communication equipment.
Background
With the development of nuclear power control technology, the emergency control technology of the nuclear power plant is continuously improved.
When an emergency situation occurs in the nuclear power plant, the main equipment used in the normal working condition needs to be switched to the standby equipment. Currently, related operations in the primary and standby device switching process are mainly performed manually.
However, when the number of primary devices and backup devices is large, the manual switching efficiency is low.
Disclosure of Invention
The invention provides a communication equipment switching circuit, a method, a circuit board and a device, which are used for solving the defect of low manual switching efficiency when the number of main equipment and standby equipment is large in the prior art, realizing intelligent switching and unified switching of the main equipment and the standby equipment, and effectively improving the switching efficiency of the main equipment and the standby equipment.
In a first aspect, the present invention provides a communication device switching circuit, where the circuit is configured to switch, when a nuclear power plant is in an emergency condition, a plurality of active communication devices in a master control room to a plurality of standby communication devices in an emergency tarmac; the circuit comprises: a relay power supply, a power switch and a plurality of relays;
the power switch is connected with the power supply end of each relay through the relay power supply and is used for starting the relay power supply to supply power to each relay when receiving an emergency switching signal so as to enable each relay to be in an electrified state;
the input end of the first relay is used as one input end of the circuit and is connected with a communication related line, and the first relay is one of the plurality of relays;
the first output end of the first relay is used as a first output end of the circuit and is connected with a first main communication device in the plurality of main communication devices;
the second output end of the first relay is used as a second output end of the circuit and is connected with a first standby communication device in the standby communication devices, and the first standby communication device corresponds to the first main communication device;
the first relay stops outputting a communication-related signal from the communication-related line to the first primary communication device when in an energized state, and outputs the communication-related signal to the first backup communication device.
In an alternative embodiment, the plurality of active communication devices include a plurality of active analog terminals and/or a plurality of active network terminals, and the plurality of standby communication devices include a plurality of standby analog terminals and/or a plurality of standby network terminals;
the communication related signals comprise analog communication signals and/or terminal power supply signals;
the communication related lines comprise analog communication lines and/or terminal power supply lines;
the analog communication line is used for transmitting the analog communication signal to the main analog terminal or the standby analog terminal;
the terminal power supply line is used for transmitting the terminal power supply signal to the main network terminal or the standby network terminal.
In an alternative embodiment, the plurality of active communication devices include a plurality of active analog terminals and a plurality of active network terminals, the plurality of standby communication devices include a plurality of standby analog terminals and a plurality of standby network terminals, the communication related signals include the analog communication signals and the terminal power supply signals, and the communication related lines include the analog communication lines and the terminal power supply lines;
when the first main communication device is the main analog terminal and the first standby communication device is the standby analog terminal, the input end of the first relay is connected with the analog communication line in the communication related line, and the communication related signal from the communication related line is the analog communication signal from the analog communication line;
when the first active communication device is the active network terminal and the first standby communication device is the standby network terminal, the input end of the first relay is connected with the terminal power supply line in the communication related line, and the communication related signal from the communication related line is the terminal power supply signal from the terminal power supply line.
In an alternative embodiment, the circuit further comprises a first connection terminal, a second connection terminal and a third connection terminal;
the first wiring terminal, the second wiring terminal and the third wiring terminal comprise a plurality of wiring terminals;
the input end of the first relay is connected with one wiring terminal in the first wiring terminal; the wiring end of the first wiring terminal is used as an input end of the circuit and is connected with the communication related line;
a first output end of the first relay is connected with one wiring end of the second wiring terminal; the wiring end of the second wiring terminal is used as a first output end of the circuit and is connected with the first main communication equipment;
the second output end of the first relay passes through one wiring terminal of the third wiring terminal; the terminal of the third terminal is used as a second output end of the circuit and is connected with the first standby communication device.
In an alternative embodiment, the first connection terminal, the second connection terminal and the third connection terminal are at least one;
all the relays, the first wiring terminals, the second wiring terminals and the third wiring terminals are divided into at least one equipment group; each equipment group comprises the relay, the first wiring terminal, the second wiring terminal and the third wiring terminal;
in any one of the device groups, the total number of the relays, the total number of the terminals of the first wiring terminal, and the total number of the terminals of the second wiring terminal correspond to the total number of the terminals of the third wiring terminal.
In an alternative embodiment, the power switch is further configured to turn off the relay power supply when a normal operation signal is received, so that the relay power supply stops supplying power to each of the relays, and each of the relays is in a power-off state;
the circuit breaker stops outputting the communication-related signal to the first backup communication device and outputs the communication-related signal to the first primary communication device when transitioning from the energized state to the de-energized state.
In a second aspect, the present invention further provides a communication device switching method, which is applied to any one of the above-mentioned communication device switching circuits, wherein a power switch in the circuit is used for starting a relay power supply to supply power to a plurality of relays when an emergency switching signal is received, so that each relay is in an energized state; the method comprises the following steps:
when the first relay is in an electrified state, stopping outputting a communication related signal from a communication related line to first main communication equipment in a main control room, and outputting the communication related signal to first standby communication equipment in an emergency tarmac;
the first relay is one of the relays, and the first standby communication device corresponds to the first main communication device.
In a third aspect, the present invention further provides a method for switching a communication device, where the method is applied to a power switch, where the power switch is connected to power supply terminals of a plurality of relays through a relay power supply; the method comprises the following steps:
when the power switch receives the emergency switching signal, the relay power supply is started to supply power to each relay, so that the first relay is in an electrified state and is enabled to be in a state of being electrified: stopping outputting a communication related signal from a communication related line to a first active communication device in a master control room, and outputting the communication related signal to a first standby communication device in an emergency tarmac;
the first relay is one of the relays, and the first standby communication device corresponds to the first main communication device.
In a fourth aspect, the present invention further provides a circuit board, where the circuit board includes any one of the above-mentioned switching circuits of the communication device.
In a fifth aspect, the present invention further provides a nuclear power emergency device, where the nuclear power emergency device includes any one of the above-mentioned communication device switching circuits.
According to the communication equipment switching circuit, the communication equipment switching method, the circuit board and the communication equipment switching device, when the power switch receives the emergency switching signal, the relay power supply is started to supply power to each relay, so that each relay is in an electrified state. When each relay is in an electrified state, the main communication equipment can be controlled to be switched to the corresponding standby communication equipment, and all the main communication equipment is switched to all the corresponding standby communication equipment, so that intelligent switching and unified switching of the main communication equipment and the standby communication equipment are realized, and the switching efficiency of the main communication equipment and the standby communication equipment is effectively improved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a switching circuit of a communication device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another switching circuit of a communication device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of connection between a relay and a connection terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an apparatus set according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another device group according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a functional connection of an emergency switching box according to an embodiment of the present invention;
fig. 7 is a flowchart of a method for switching communication devices according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a circuit board according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a nuclear power emergency device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The communication device switching circuit of the present invention is described below with reference to fig. 1 to 6.
As shown in fig. 1, the present embodiment proposes a first communication device switching circuit. The circuit is used for switching the plurality of active communication devices in the main control room to the plurality of standby communication devices in the emergency tarmac when the nuclear power plant is in an emergency working condition. The circuit comprises: relay power, switch and a plurality of relays.
The power switch is connected with the power supply end of each relay through a relay power supply and is used for starting the relay power supply to supply power to each relay when receiving an emergency switching signal so as to enable each relay to be in an electrified state.
The input end of the first relay is used as one input end of the circuit and is connected with a communication related line, and the first relay is one of a plurality of relays.
The first output terminal of the first relay is used as a first output terminal of the circuit and is connected with a first main communication device in the plurality of main communication devices.
The second output end of the first relay is used as a second output end of the circuit and is connected with a first standby communication device in the plurality of standby communication devices, and the first standby communication device corresponds to the first main communication device.
The first relay stops outputting the communication-related signal from the communication-related line to the first primary communication device when in the energized state, and outputs the communication-related signal to the first backup communication device.
The main communication equipment is mainly used communication equipment and can be used when the nuclear power plant is in a non-emergency working condition. The standby communication equipment is standby communication equipment and can be used when the nuclear power plant is in an emergency working condition.
Specifically, the primary communication device and the secondary communication device may be a broadcast call station, an alarm call station, an intercom dispatch station, an administrative phone, a security phone, a voice phone, and the like. Wherein, the primary communication device and the standby communication device can be divided into an analog communication terminal and an IP network terminal. The master/slave analog terminals (i.e., the master analog communication terminal and the slave analog communication terminal) may switch the master/slave communication devices by switching the analog communication lines. For the active/standby network terminals (i.e., the active network terminal and the standby network terminal), the switching of the communication lines may cause a network packet loss phenomenon, so that the switching between the active/standby network terminals can be realized by adopting the power supply lines of the switching network terminals, thereby avoiding network packet loss.
Specifically, the first active communication device and the first standby communication device may be the same type of communication devices having an active-standby relationship with each other, for example, the first active communication device and the first standby communication device may be active secure phones and standby secure phones having an active-standby relationship.
It will be appreciated that the primary and backup communication devices may also be associated communication systems in the nuclear power plant, such as a primary and backup broadcast system.
Alternatively, the plurality of primary communication devices and the plurality of backup communication devices may have a one-to-one correspondence.
Specifically, the nuclear power plant comprises a main control room and an emergency park. A plurality of main communication devices can be arranged in the main control room, and a corresponding plurality of standby communication devices can be arranged in the emergency parking apron.
The emergency switching signal can be generated by related equipment of the nuclear power plant when the nuclear power plant is in an emergency working condition and sent to the power switch.
Alternatively, the emergency switching signal may be a signal manually input to the power switch when it is determined that the nuclear power plant is in an emergency condition, for example, when a key or a button is included in the power switch, the emergency switching signal may be manually input by pressing the key or rotating the button.
The connection relation between each relay and the primary communication device and the connection relation between each relay and the primary communication device can be referred to. The primary communication devices to which each relay is connected are different, and the backup communication devices to which each relay is connected are different, i.e., one relay is used for switching a corresponding pair of primary and backup communication devices, for example, an a relay is used for switching an a primary communication device and a corresponding a backup communication device, and a B relay is used for switching a B primary communication device and a corresponding B backup communication device.
Specifically, the first output end of each relay can be used as a first output end of the circuit and connected with a corresponding main communication device. The second output of each relay may be a second output of the circuit to which a corresponding one of the backup communication devices is connected.
The communication-related lines may be communication-related lines such as analog communication lines and terminal power supply lines. The analog communication line is a line for transmitting analog communication signals, and the terminal power supply line is a line for supplying power to the communication terminal.
The communication related signal is a signal transmitted in the communication related line. When the communication-related line is an analog communication line, the communication-related signal may be an analog communication signal. When the communication-related line is a terminal power supply line, the communication-related signal may be an electrical signal for supplying power to the network terminal.
In practical application, when the nuclear power plant is in a non-emergency working condition, the power switch can control the relay power supply to be in a closed state, the relay power supply does not supply power to each relay at the moment, each relay is in a power-off state, each main communication device can normally communicate at the moment, and the nuclear power plant can use each main communication device to realize related communication functions. When the power switch receives the emergency switching signal, the power switch can start the relay power supply to supply power to each relay, at the moment, each relay is in an electrified state, each relay can switch the main communication equipment to the corresponding standby communication equipment, all the main communication equipment is switched to the corresponding standby communication equipment, at the moment, all the main communication equipment stops working, all the standby communication equipment can communicate, and at the moment, the nuclear power plant realizes related communication functions by all the standby communication equipment.
Alternatively, the supply voltage for each relay may be 12 volts dc.
Alternatively, a key or button may be included in the power switch, and when the key or button is manually pressed, the power switch may activate the relay power supply to supply power to each relay. At this time, the embodiment can realize one-key active-standby switching of all active-standby communication devices by pressing the power switch key or rotating the button.
It should be noted that the above description describes a process of transmitting a signal to the primary communication device or the backup communication device by the relevant device such as the server through the communication-related line and the relay. It will be appreciated that the present embodiment may also be applied to a process in which the primary communication device or the backup communication device transmits signals to the relevant electronic device such as the server through the relay and the communication related line, where the output end of the relay for connecting the primary communication device and the backup communication device may be regarded as the input end of the relay for receiving signals transmitted by the primary communication device or the backup communication device, and the input end of the relay for connecting the communication related line may be regarded as the output end of the relay for transmitting signals to the relevant electronic device through the communication related line. Therefore, the embodiment can be applied to a scenario that the master and slave communication devices perform bidirectional communication with the related electronic devices.
According to the communication equipment switching circuit provided by the embodiment, when the power switch receives an emergency switching signal, the relay power supply is started to supply power to each relay, so that each relay is in an electrified state. When each relay is in an electrified state, the main communication equipment can be controlled to be switched to the corresponding standby communication equipment, and all the main communication equipment is switched to all the corresponding standby communication equipment, so that intelligent switching and unified switching of the main communication equipment and the standby communication equipment are realized, and the switching efficiency of the main communication equipment and the standby communication equipment is effectively improved.
Based on fig. 1, the present embodiment proposes a second communication device switching circuit, where the communication related signal includes an analog communication signal and/or a terminal power supply signal.
The communication-related lines include analog communication lines and/or terminal power supply lines.
The analog communication line is used to transmit analog communication signals to the primary analog terminal or the backup analog terminal.
The terminal power supply line is used for transmitting a terminal power supply signal to the main network terminal or the standby network terminal.
The primary analog terminal and the standby analog terminal may be terminals that communicate with a server or related electronic devices through analog signals.
The active network terminal and the standby network terminal may be terminals that communicate with a server or related electronic devices through a network connection.
In an alternative embodiment, as shown in fig. 2, the plurality of active communication devices include a plurality of active analog terminals and a plurality of active network terminals, the plurality of standby communication devices include a plurality of standby analog terminals and a plurality of standby network terminals, the communication related signals include analog communication signals and terminal power supply signals, and the communication related lines include analog communication lines and terminal power supply lines.
When the first main communication device is a main analog terminal and the first standby communication device is a standby analog terminal, the input end of the first relay is connected with an analog communication line in the communication related lines, and the communication related signals from the communication related lines are analog communication signals from the analog communication lines.
When the first main communication equipment is a main network terminal and the first standby communication equipment is a standby network terminal, the input end of the first relay is connected with a terminal power supply line in the communication related line, and the communication related signal from the communication related line is a terminal power supply signal from the terminal power supply line.
The signal voltages in the analog communication line and the terminal power supply line are different, the signal in the analog communication line is typically a weak electric signal, and the signal in the terminal power supply line (typically connected to the live wire interface) is typically a strong electric signal. Accordingly, the type of relay corresponding to the network terminal and the type of relay corresponding to the analog terminal may be different. The relay corresponding to the network terminal can be suitable for transmitting and related processing of strong electric signals, and the relay corresponding to the analog terminal can be suitable for transmitting and related processing of weak electric signals.
It can be understood that when the power switch includes a key or a button, the embodiment can manually implement one-key active-standby switching of the plurality of active-standby analog terminals and the active-standby network terminal, thereby effectively reducing human resources required to be consumed in the active-standby switching process.
According to the communication equipment switching circuit provided by the embodiment, a plurality of main analog terminals and a plurality of main network terminals can be simultaneously arranged in the main control room, and a plurality of standby analog terminals and a plurality of standby network terminals can be simultaneously arranged in the emergency parking apron. According to the embodiment, when the nuclear power plant is in an emergency working condition, equipment switching between the main and standby analog terminals is realized through the relays, equipment switching between the main and standby network terminals is realized at the same time, and the switching efficiency of the main and standby analog terminals and the main and standby network terminals is effectively improved.
Based on fig. 1, as shown in fig. 3, the present embodiment proposes a third communication device switching circuit. The circuit also comprises a first wiring terminal, a second wiring terminal and a third wiring terminal.
The first, second and third terminals each include a plurality of terminals therein.
The input end of the first relay is connected with one wiring terminal on the first wiring terminal. The terminal of the first terminal is used as one input end of the circuit and is connected with a communication related line.
The first output end of the first relay is connected with one wiring terminal on the second wiring terminal. The terminal of the second terminal is used as a first output end of the circuit and is connected with the first main communication equipment.
The second output of the first relay passes through one terminal of the third terminal. The terminal of the third terminal is used as a second output end of the circuit and is connected with the first standby communication equipment.
It should be noted that, because the pin of the relay is smaller and the number of relays is more, therefore, when the relay is directly connected with the main communication equipment and the standby communication equipment, the relay has larger workload and wiring difficulty, and the wiring efficiency is affected. In order to reduce wiring difficulty and improve wiring efficiency, in this embodiment, between a communication-related line and a relay, between the relay and a main communication device and between the relay and a standby communication device, a wiring terminal is used to connect the relay and the communication-related line, and to connect the relay and the main communication device and the standby communication device.
It will be appreciated that each relay may be connected to a communication-related line via a first connection terminal, each relay may be connected to a primary communication device via a second connection terminal, and each relay may be connected to a backup communication device via a third connection terminal. The ports of the corresponding connection of each relay on the wiring terminals are mutually different, namely the ports of the corresponding connection of each relay on the first wiring terminals are different, the ports of the corresponding connection of each relay on the second wiring terminals are different, and the ports of the corresponding connection of each relay on the third wiring terminals are different.
Specifically, each terminal on the first terminal may be used as an input terminal of the circuit, and connects the communication-related line and the input terminal of the relay, and the first terminal may be identified as a publish.
Specifically, each terminal on the second wiring terminal can be used as a first output end of the circuit, the first output end of the relay and the main communication equipment are connected, the second terminal can be marked as OPEN, the terminal is in a normally OPEN state, namely, the relay can output a communication related signal from a communication related line to the main communication equipment through the terminal on the second terminal under a normal operation condition, and the relay stops outputting the communication related signal to the main communication equipment through the terminal on the second terminal under an emergency condition.
Specifically, each terminal on the third wiring terminal can be used as a second output end of the circuit and connected with the second output end of the relay and a standby communication device, the third wiring terminal can be marked as CLOSE to indicate that the relay is normally closed, namely, the relay can not output a communication related signal in a communication related line to the standby communication device through the terminal on the third wiring terminal under normal operation working condition, and can output the communication related signal to the standby communication device through the terminal on the third wiring terminal under emergency working condition.
In an alternative embodiment, the first connection terminal, the second connection terminal and the third connection terminal are each at least one.
All relays, first terminals, second terminals and third terminals are divided into at least one device group. Each equipment group comprises a relay, a first wiring terminal, a second wiring terminal and a third wiring terminal.
In any equipment group, the total number of relays, the total number of terminals of the first wiring terminal, and the total number of terminals of the second wiring terminal correspond to the total number of terminals of the third wiring terminal.
It should be noted that, in order to reduce the number of terminals on a single terminal, reduce the size of the single terminal and the size of the circuit, avoid the problems of unreasonable related cost and arrangement, etc., the embodiment can group the terminals and the relays.
Specifically, in the embodiment, in the grouping setting, when a plurality of active analog terminals and a plurality of active network terminals are set in the main control room, and a plurality of standby analog terminals and a plurality of standby network terminals are set in the emergency parking apron, the embodiment may set at least one device group for the plurality of active analog terminals and the plurality of standby analog terminals, and set at least one device group for the plurality of active network terminals and the plurality of standby network terminals.
For better explanation of the packet setting, the present embodiment proposes the following example 1 for explanation.
In example 1, in this embodiment, corresponding plural sets of connection terminals and plural sets of relays are respectively set for 36 active/standby analog terminals (including 36 active analog terminals and 36 standby analog terminals) and 6 active/standby network terminals (including 6 active network terminals and 6 standby network terminals).
For 36 active/standby analog terminals, the embodiment may divide the 36 active/standby analog terminals into a1 group, b1 group, c1 group, d1 group, and e1 group, where each of the a1 group, b1 group, and c1 group includes 10 active/standby analog terminals. And d1 groups and e1 groups are reserved and comprise 3 main and standby analog terminals.
And respectively setting an a2 equipment group, a b2 equipment group, a c2 equipment group, a d2 equipment group and an e2 equipment group which are in one-to-one correspondence with the main and standby analog terminals of the a1 group, the b1 group, the c1 group, the d1 group and the e1 group. And each of the group a2, the group b2 and the group c2 comprises 10 relays, 1 first connecting terminal, 1 second connecting terminal and 1 third connecting terminal, and the number of the terminals on each connecting terminal is 10. And the d1 group and the e1 group respectively comprise 3 relays, 1 first connecting terminal, 1 second connecting terminal and 1 third connecting terminal, and the number of the terminals on each connecting terminal is 3.
When the analog terminal is a two-wire device, each end of the corresponding relay needs to be connected to two wires, for example, the input end needs to be connected to two wires, and the first output end needs to be connected to two wires. At this time, the total number of terminals of the first connection terminal needs to be twice the number of main and standby analog terminals or the number of relays, as are the second connection terminal and the third connection terminal. At this time, the group a2, the group b2, and the group c2 may include 1 first terminal, 1 second terminal, and 1 third terminal, and the number of terminals on each terminal is 20. The d1 group and the e1 group can comprise 1 first connecting terminal, 1 second connecting terminal and 1 third connecting terminal, and the number of the terminals on each connecting terminal is 6.
Of course, the present embodiment can reduce the number of terminals to be provided by appropriately increasing the number of terminals. At this time, as shown in fig. 4, 10 relays, 2 first connection terminals, 2 second connection terminals, and 2 third connection terminals may be included in the a2 group, the b2 group, and the c2 group, and the number of terminals on each connection terminal is 10.
As shown in fig. 5, for 6 active/standby network terminals, in this embodiment, the 6 active/standby network terminals may be divided into 1 group, and a corresponding device group is set, where the device group may include 6 relays, 1 first connection terminal, 1 second connection terminal, and 1 third connection terminal, and the number of interfaces on each connection terminal is 6.
As shown in fig. 6, in practical application, the present embodiment may be configured such that the circuit is disposed in an emergency switching box of a nuclear power plant, a power switch for controlling a relay power supply is disposed on the emergency switching box, and a button is disposed in the power switch. When an emergency situation occurs in the nuclear power plant, the button can be manually rotated from the corresponding position of the main control room to the corresponding position of the standby control room (arranged in the emergency parking apron), so that one-key main-standby switching of the main-standby communication equipment is realized.
In fig. 6, the communication-related lines may include communication-related signals for transmitting 4 security phones, 4 voice phones, 3 administrative phones, 3 broadcasting systems, 3 alarm systems, and 3 internal docking systems, the communication-related signals in the communication-related lines being input into 36 relays (relays corresponding to the master analog terminal) and 6 relays (relays corresponding to the master network terminal) of the emergency switching box, 4 security phones, 4 voice phones, 3 administrative phones, 3 broadcasting systems, 3 alarm systems, and 3 internal docking systems may be included in the plurality of main communication devices of the master room, and 4 security phones, 4 voice phones, 3 administrative phones, 3 broadcasting systems, 3 alarm systems, and 3 internal docking systems may be included in the plurality of backup communication devices of the backup room of the master room.
The communication equipment switching circuit provided by the embodiment can be additionally provided with the wiring terminal, so that the wiring difficulty of the relay is reduced through the wiring terminal, and the wiring efficiency is improved.
Based on fig. 1, the present embodiment proposes a fourth communication device switching circuit. In this circuit, the power switch is also used to turn off the relay power supply when a normal operation signal is received, to stop the relay power supply to each relay, and to put each relay in a power-off state.
The power cut-off stops outputting the communication-related signal to the first standby communication device and outputs the communication-related signal to the first active communication device when the power cut-off is switched from the power-on state to the power-off state.
According to the communication equipment switching circuit provided by the embodiment, when the nuclear power plant is recovered to normal operation, all standby communication equipment can be switched back to all main communication equipment, so that the mutual switching between the main communication equipment is effectively realized, the back-and-forth switching of the communication state of the nuclear power plant is effectively realized, and the normal communication function and the emergency communication function are ensured.
Corresponding to the method shown in fig. 1, as shown in fig. 7, the present embodiment proposes a communication device switching method, which can be applied to any of the above-mentioned communication device switching circuits proposed in the present embodiment. A power switch in the circuit is used for starting the relay power supply to supply power to the plurality of relays when the emergency switching signal is received, so that each relay is in an energized state. The method may include:
s701, when the first relay is in the energized state, the output of the communication related signal from the communication related line to the first active communication device in the master control room is stopped.
And S702, outputting a communication related signal to first standby communication equipment in the emergency tarmac.
The first relay is one of a plurality of relays, and the first standby communication device corresponds to the first main communication device.
Specifically, the first relay may stop outputting the communication-related signal from the communication-related line to the first active communication device in the master control room and output the communication-related signal to the first standby communication device in the emergency tarmac when in the energized state.
According to the communication equipment switching method, when the power switch receives the emergency switching signal, the relay power supply is started to supply power to each relay, so that each relay is in an electrified state. When each relay is in an electrified state, the main communication equipment can be controlled to be switched to the corresponding standby communication equipment, and all the main communication equipment is switched to all the corresponding standby communication equipment, so that intelligent switching and unified switching of the main communication equipment and the standby communication equipment are realized, and the switching efficiency of the main communication equipment and the standby communication equipment is effectively improved.
Corresponding to the method shown in fig. 1, the present embodiment proposes another method for switching a communication device, where the method is applied to a power switch, and the power switch is connected to power supply terminals of a plurality of relays through a relay power supply. The method may include:
when the power switch receives the emergency switching signal, the relay power supply is started to supply power to each relay so as to enable the first relay to be in an electrified state and enable the first relay to: stopping outputting the communication related signal from the communication related line to the first active communication device in the master control room, and outputting the communication related signal to the first standby communication device in the emergency tarmac.
The first relay is one of a plurality of relays, and the first standby communication device corresponds to the first main communication device.
Optionally, when the normal operation signal is received, the power switch may further turn off the relay power supply, so that the relay power supply stops supplying power to each relay, and each relay is in a power-off state, so that when the relay is switched from the power-on state to the power-off state, the relay stops outputting the communication related signal to the first standby communication device, and outputs the communication related signal to the first main communication device, so as to realize switching from the standby communication device to the main communication device.
According to the communication equipment switching method, when the power switch receives the emergency switching signal, the relay power supply is started to supply power to each relay, so that each relay is in an electrified state. When each relay is in an electrified state, the main communication equipment can be controlled to be switched to the corresponding standby communication equipment, and all the main communication equipment is switched to all the corresponding standby communication equipment, so that intelligent switching and unified switching of the main communication equipment and the standby communication equipment are realized, and the switching efficiency of the main communication equipment and the standby communication equipment is effectively improved.
As shown in fig. 8, this embodiment also proposes a circuit board, which may include any of the above-mentioned communication device switching circuits proposed in this embodiment.
The circuit board provided by the embodiment can integrate the switching circuit of the communication equipment, realize intelligent switching of the main and standby communication equipment, and effectively improve the switching efficiency of the main and standby communication equipment.
The embodiment also provides an emergency control box, which may include any of the above-mentioned communication device switching circuits or circuit boards provided in the embodiment.
As shown in fig. 9, this embodiment further proposes a nuclear power emergency device. The apparatus may include any one of the communication device switching circuits described above as set forth in the embodiments.
The nuclear power emergency device provided by the embodiment can integrate the communication equipment switching circuit, and can realize intelligent switching and unified switching of the main and standby communication equipment, so that intelligent switching and unified switching of the main and standby communication equipment are realized, and the switching efficiency of the main and standby communication equipment is effectively improved.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The communication equipment switching circuit is characterized by being used for switching a plurality of main communication equipment in a main control room to a plurality of standby communication equipment in an emergency parking apron when a nuclear power plant is in an emergency working condition; the circuit comprises: a relay power supply, a power switch and a plurality of relays;
the power switch is connected with the power supply end of each relay through the relay power supply and is used for starting the relay power supply to supply power to each relay when receiving an emergency switching signal so as to enable each relay to be in an electrified state;
the input end of the first relay is used as one input end of the circuit and is connected with a communication related line, and the first relay is one of the plurality of relays;
the first output end of the first relay is used as a first output end of the circuit and is connected with a first main communication device in the plurality of main communication devices;
the second output end of the first relay is used as a second output end of the circuit and is connected with a first standby communication device in the standby communication devices, and the first standby communication device corresponds to the first main communication device;
the first relay stops outputting a communication-related signal from the communication-related line to the first primary communication device when in an energized state, and outputs the communication-related signal to the first backup communication device.
2. The circuit according to claim 1, wherein the plurality of active communication devices comprise a plurality of active analog terminals and/or a plurality of active network terminals, and the plurality of standby communication devices comprise a plurality of standby analog terminals and/or a plurality of standby network terminals;
the communication related signals comprise analog communication signals and/or terminal power supply signals;
the communication related lines comprise analog communication lines and/or terminal power supply lines;
the analog communication line is used for transmitting the analog communication signal to the main analog terminal or the standby analog terminal;
the terminal power supply line is used for transmitting the terminal power supply signal to the main network terminal or the standby network terminal.
3. The circuit of claim 2, wherein the plurality of active communication devices include a plurality of active analog terminals and a plurality of active network terminals, wherein the plurality of standby communication devices include a plurality of standby analog terminals and a plurality of standby network terminals, wherein the communication-related signals include the analog communication signals and the terminal power supply signals, and wherein the communication-related lines include the analog communication lines and the terminal power supply lines;
when the first main communication device is the main analog terminal and the first standby communication device is the standby analog terminal, the input end of the first relay is connected with the analog communication line in the communication related line, and the communication related signal from the communication related line is the analog communication signal from the analog communication line;
when the first active communication device is the active network terminal and the first standby communication device is the standby network terminal, the input end of the first relay is connected with the terminal power supply line in the communication related line, and the communication related signal from the communication related line is the terminal power supply signal from the terminal power supply line.
4. The circuit of claim 1, further comprising a first terminal, a second terminal, and a third terminal;
the first wiring terminal, the second wiring terminal and the third wiring terminal comprise a plurality of wiring terminals;
the input end of the first relay is connected with one wiring terminal in the first wiring terminal; the wiring end of the first wiring terminal is used as an input end of the circuit and is connected with the communication related line;
a first output end of the first relay is connected with one wiring end of the second wiring terminal; the wiring end of the second wiring terminal is used as a first output end of the circuit and is connected with the first main communication equipment;
the second output end of the first relay passes through one wiring terminal of the third wiring terminal; the terminal of the third terminal is used as a second output end of the circuit and is connected with the first standby communication device.
5. The circuit of claim 4, wherein the first terminal, the second terminal, and the third terminal are each at least one;
all the relays, the first wiring terminals, the second wiring terminals and the third wiring terminals are divided into at least one equipment group; each equipment group comprises the relay, the first wiring terminal, the second wiring terminal and the third wiring terminal;
in any one of the device groups, the total number of the relays, the total number of the terminals of the first wiring terminal, and the total number of the terminals of the second wiring terminal correspond to the total number of the terminals of the third wiring terminal.
6. The circuit of any one of claims 1 to 5, wherein the power switch is further configured to turn off the relay power supply when a normal operation signal is received, to stop the relay power supply to each of the relays, and to put each of the relays in a power-off state;
the circuit breaker stops outputting the communication-related signal to the first backup communication device and outputs the communication-related signal to the first primary communication device when transitioning from the energized state to the de-energized state.
7. A communication device switching method, characterized in that the method is applied to a communication device switching circuit as claimed in any one of claims 1 to 6, a power switch in the circuit being adapted to activate a relay power supply to supply power to a plurality of relays upon receipt of an emergency switching signal, so that each of the relays is in an energized state; the method comprises the following steps:
when the first relay is in an electrified state, stopping outputting a communication related signal from a communication related line to first main communication equipment in a main control room, and outputting the communication related signal to first standby communication equipment in an emergency tarmac;
the first relay is one of the relays, and the first standby communication device corresponds to the first main communication device.
8. The communication equipment switching method is characterized by being applied to a power switch, wherein the power switch is connected with power supply ends of a plurality of relays through a relay power supply; the method comprises the following steps:
when the power switch receives the emergency switching signal, the relay power supply is started to supply power to each relay, so that the first relay is in an electrified state and is enabled to be in a state of being electrified: stopping outputting a communication related signal from a communication related line to a first active communication device in a master control room, and outputting the communication related signal to a first standby communication device in an emergency tarmac;
the first relay is one of the relays, and the first standby communication device corresponds to the first main communication device.
9. A circuit board, characterized in that the circuit board comprises a communication device switching circuit as claimed in any one of claims 1 to 6.
10. A nuclear power emergency apparatus, characterized in that it comprises a communication device switching circuit as claimed in any one of claims 1 to 6.
CN202311486430.4A 2023-11-09 2023-11-09 Communication equipment switching circuit, method, circuit board and device Pending CN117579407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311486430.4A CN117579407A (en) 2023-11-09 2023-11-09 Communication equipment switching circuit, method, circuit board and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311486430.4A CN117579407A (en) 2023-11-09 2023-11-09 Communication equipment switching circuit, method, circuit board and device

Publications (1)

Publication Number Publication Date
CN117579407A true CN117579407A (en) 2024-02-20

Family

ID=89889126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311486430.4A Pending CN117579407A (en) 2023-11-09 2023-11-09 Communication equipment switching circuit, method, circuit board and device

Country Status (1)

Country Link
CN (1) CN117579407A (en)

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