CN112558459B - Redundant monitoring device of power monitoring system - Google Patents

Redundant monitoring device of power monitoring system Download PDF

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CN112558459B
CN112558459B CN202011305436.3A CN202011305436A CN112558459B CN 112558459 B CN112558459 B CN 112558459B CN 202011305436 A CN202011305436 A CN 202011305436A CN 112558459 B CN112558459 B CN 112558459B
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optic
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CN112558459A (en
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刘星
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Ucloud Technology Co ltd
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Ucloud Technology Co ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract

The invention discloses a redundant monitoring device of a power monitoring system, and an audible and visual alarm device of the device comprises: the I/O acousto-optic branch controller collects voltage power-off signals of a mains supply inlet wire loop arranged in the high-voltage power distribution room and sends the voltage power-off signals to the I/O acousto-optic branch controller, and the I/O acousto-optic branch controller receives the voltage power-off signals sent by each I/O acousto-optic branch controller and controls and sends the lighting of the mains supply power-off warning indicator lamp corresponding to the I/O acousto-optic branch controller of the voltage power-off signals, so that the running data of key electrical equipment can be effectively monitored.

Description

Redundant monitoring device of electric power monitoring system
Technical Field
The invention relates to the technical field of power monitoring, in particular to a redundant monitoring device of a power monitoring system.
Background
The traditional power monitoring system of the data center generally comprises a communication collector, a server and an upper computer, wherein after monitoring data of electrical equipment collected by monitoring equipment is subjected to protocol analysis through the communication collector, and then data integration, analysis and storage are carried out on the server, operation and maintenance personnel can complete operation such as running state monitoring, remote control operation, historical monitoring data query and the like on the upper computer connected with the server.
Compared with the 2N or N +1 redundancy design commonly adopted by an electric system and a heating and ventilation system of a data center, the data center only has one set of power monitoring system, because the monitoring system is different from the power system, only one communication interface provided for the power monitoring system by power equipment is provided, and the communication interface can only be accessed to one communication collector of the power monitoring system. Therefore, when the power monitoring system goes down, the effective monitoring of the operating data of the key electrical equipment cannot be realized through the power monitoring system software.
Disclosure of Invention
In view of this, the present invention discloses a redundant monitoring apparatus for an electric power monitoring system, so as to effectively monitor the operation data of the key electrical equipment.
A redundant monitoring device of a power monitoring system, comprising: an audible and visual alarm device;
the audible and visual alarm device comprises: the system comprises an audible and visual alarm wall hanging box, an I/O audible and visual main controller, a plurality of I/O audible and visual sub-controllers and commercial power failure alarm indicating lamps with the same number as the I/O audible and visual sub-controllers;
each I/O acousto-optic branch controller is arranged in a high-voltage power distribution room and used for acquiring a voltage power-off signal of a mains supply inlet wire loop arranged in the high-voltage power distribution room and sending the voltage power-off signal to the I/O acousto-optic main controller;
the acousto-optic alarm wall-mounted box is arranged in the monitoring duty room;
the I/O acousto-optic main controller is installed in the acousto-optic alarm wall hanging box, the input end of the I/O acousto-optic main controller is connected with each I/O acousto-optic sub-controller, the output end of the I/O acousto-optic main controller is connected with each mains power failure alarm indicator lamp, and the I/O acousto-optic main controller is used for receiving each voltage power failure signal sent by the I/O acousto-optic sub-controller and controlling and sending the mains power failure alarm indicator lamp corresponding to the I/O acousto-optic sub-controller of the voltage power failure signal to emit light.
Optionally, the I/O acousto-optic master controller and each I/O acousto-optic slave controller adopt a generic object oriented GOOSE (generic object oriented substation event) protocol to transmit data to each other.
Optionally, the sound and light alarm device further includes: GOOSE switch;
the GOOSE switch is connected between the I/O acousto-optic main controller and each I/O acousto-optic sub-controller, the GOOSE switch is connected with each I/O acousto-optic sub-controller through optical fibers, and the GOOSE switch is connected with the I/O acousto-optic main controller through an Ethernet communication line.
Optionally, the sound and light alarm device further includes: a first buzzer;
the first buzzer is connected with the output end of the I/O acousto-optic main controller and used for carrying out sound alarm according to the sound control signal sent by the I/O acousto-optic main controller when the I/O acousto-optic main controller controls the commercial power failure alarm indicator lamp to be on.
Optionally, the sound and light alarm device further includes: a throw-retreat selecting switch;
the switching selection switch is connected with the control end of the I/O acousto-optic main controller and is used for controlling the switching operation and the quitting operation of the acousto-optic alarm device.
Optionally, the sound and light alarm device further includes: a first communication failure indicator light;
the first communication fault indicator lamp is arranged on a communication link between the I/O acousto-optic main controller and each I/O acousto-optic sub-controller and used for emitting light when GOOSE communication between the I/O acousto-optic main controller and each I/O acousto-optic sub-controller is abnormal.
Optionally, the sound and light alarm device further includes: the microcomputer protection devices are equal in number to the I/O acousto-optic sub-controllers;
each microcomputer protection device is arranged on a mains supply incoming line outside one I/O acousto-optic sub-controller.
Optionally, the redundant monitoring apparatus further includes: a firewood starting one-key starting device;
the one-key starting device for firewood comprises: an I/O Chai Fa main controller and at least one I/O Chai Fa branch controller, wherein the I/O Chai Fa main controller is connected with the I/O Chai Fa branch controllers, and each I/O Chai Fa branch controller is connected with a diesel generator set;
the I/O Chai Fa main controller is installed in an acousto-optic alarm wall-mounted box of a monitoring room and used for sending a diesel engine set starting signal to the I/O Chai Fa branch controller after receiving an emergency starting command, wherein the emergency starting command is generated when all mains supply is powered off and a diesel engine parallel machine PLC fails;
the I/O Chai Fa branch controller is installed in a diesel engine generator control chamber of a high-voltage power distribution room and used for receiving a diesel engine generator set starting signal, controlling a corresponding diesel engine generator set to start according to the diesel engine generator set starting signal, collecting closing state signals of all loops of a diesel engine generator system, and sending the closing state signals to the I/O Chai Fa main controller.
Optionally, the one-key diesel starting device further comprises: the number of the on-position state indicating lamps is equal to that of the diesel generator set;
each on-position state indicator lamp is connected with the output end of the I/O Chai Fa main controller, and the I/O Chai Fa main controller is used for controlling the on-position state indicator lamp corresponding to the firewood sending parallel cabinet in the closing state to be on after receiving an on-position signal which is sent by the I/O Chai Fa branch controller and represents that the firewood sending parallel cabinet is in the closing state.
Optionally, the I/O Chai Fa master controller and each I/O Chai Fa slave controller use a GOOSE protocol to transmit data to each other.
Optionally, the one-key diesel starting device further comprises: a second buzzer;
the second buzzer is connected with the output end of the I/O Chai Fa main controller and used for giving a sound alarm according to a sound control signal sent by the I/O Chai Fa main controller when the I/O Chai Fa main controller controls the on-position state indicator lamp to be on.
Optionally, the one-key diesel starting device further comprises: a PLC fault indicator light;
the PLC fault indicator lamp is connected with the output end of the I/O Chai Fa main controller and used for emitting light according to a fault indication instruction sent by the I/O Chai Fa main controller when the I/O Chai Fa main controller receives PLC fault information sent by the I/O Chai Fa branch controller.
Optionally, the one-key diesel starting device further comprises: a second communication fault indicator light;
the second communication fault indicator lamp is arranged on a communication link between the I/O Chai Fa master controller and each I/O firewood sending slave controller and is used for emitting light when GOOSE communication between the I/O Chai Fa master controller and each I/O firewood sending slave controller is abnormal.
Optionally, the one-key diesel starting device further comprises: an emergency start button;
the emergency starting button is connected with the control end of the I/O Chai Fa main controller and used for starting all the diesel engine sets.
From the above technical solution, the present invention discloses a redundant monitoring device of a power monitoring system, the device including: audible and visual alarm device, audible and visual alarm device includes: the system comprises an acousto-optic alarm wall-mounted box, an I/O acousto-optic main controller, a plurality of I/O acousto-optic sub controllers and commercial power loss alarm indicating lamps, wherein the commercial power loss alarm indicating lamps are equal in number to the I/O acousto-optic sub controllers, the acousto-optic alarm wall-mounted box is arranged in a monitoring duty room, the I/O acousto-optic main controller is installed in the acousto-optic alarm wall-mounted box, each I/O acousto-optic sub controller is arranged in a high-voltage power distribution room, the I/O acousto-optic sub controllers collect voltage loss signals of commercial power supply inlet circuits arranged in the high-voltage power distribution room where the I/O acousto-optic sub controllers are located and send the voltage loss signals to the I/O acousto-optic main controller, and the I/O acousto-optic main controller receives the voltage loss signals sent by the I/O acousto-optic sub controllers and controls the commercial power loss alarm indicating lamps corresponding to the I/O acousto-optic sub controllers which send the voltage loss signals to emit light. The invention does not depend on a power monitoring system platform, and can directly acquire the voltage power-off signal from the mains supply incoming line loop arranged in the high-voltage power distribution room, so that when the power monitoring system is down, if important alarm occurs, key alarm data can be timely and accurately acquired, and the reliability and the usability of the power monitoring system in the data center are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the disclosed drawings without creative efforts.
Fig. 1 is a schematic diagram of alarm monitoring of a key alarm point location by a redundant monitoring device of an electric power monitoring system according to an embodiment of the present invention;
FIG. 2 is a diagram of the I/O acousto-optic sub-controller for alarm monitoring of key alarm point locations in a data center according to an embodiment of the present invention;
FIG. 3 is a diagram of the I/O acousto-optic master controller for alarm monitoring of key alarm point locations in a data center according to an embodiment of the present invention;
fig. 4 is a system architecture diagram of a diesel-powered one-key start device in a redundant monitoring device of an electric power monitoring system according to an embodiment of the present invention;
FIG. 5 is a wiring diagram of an I/O Chai Fa minute controller in a diesel engine starting device disclosed by the embodiment of the invention;
fig. 6 is a wiring diagram of an I/O Chai Fa master controller in a diesel-engine one-key starting device disclosed by the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a redundant monitoring device of a power monitoring system, which comprises: audible and visual alarm device, audible and visual alarm device includes: the system comprises an acousto-optic alarm wall-mounted box, an I/O acousto-optic main controller, a plurality of I/O acousto-optic sub controllers and commercial power loss alarm indicating lamps, wherein the commercial power loss alarm indicating lamps are equal in number to the I/O acousto-optic sub controllers, the acousto-optic alarm wall-mounted box is arranged in a monitoring duty room, the I/O acousto-optic main controller is installed in the acousto-optic alarm wall-mounted box, each I/O acousto-optic sub controller is arranged in a high-voltage power distribution room, the I/O acousto-optic sub controllers collect voltage loss signals of commercial power supply inlet circuits arranged in the high-voltage power distribution room where the I/O acousto-optic sub controllers are located and send the voltage loss signals to the I/O acousto-optic main controller, and the I/O acousto-optic main controller receives the voltage loss signals sent by the I/O acousto-optic sub controllers and controls the commercial power loss alarm indicating lamps corresponding to the I/O acousto-optic sub controllers which send the voltage loss signals to emit light. The invention does not depend on a power monitoring system platform, and can directly acquire the voltage power-off signal from the incoming line loop of the mains supply arranged in the high-voltage power distribution room, so that when the power monitoring system is down, if important alarm occurs, key alarm data can be still accurately acquired in time, and the reliability and the usability of the power monitoring system in the data center are improved.
Referring to fig. 1, a schematic diagram of a redundant monitoring device of an electric power monitoring system for alarm monitoring of a key alarm point is disclosed in the embodiment of the present invention, and the redundant monitoring device includes: an audible and visual alarm device;
the audible and visual alarm device comprises: the system comprises a sound-light alarm wall-mounted box 10, an I/O sound-light main controller 11, a plurality of I/O sound-light sub-controllers 12 and commercial power failure alarm indicator lamps (not shown in figure 1) which are equal in number to the I/O sound-light sub-controllers.
Each I/O acousto-optic sub-controller 12 is disposed in a high-voltage power distribution room, for example, a 1# high-voltage power distribution room, a 2# high-voltage power distribution room, a 3# high-voltage power distribution room, and an n # high-voltage power distribution room shown in fig. 1, and the I/O acousto-optic sub-controller 12 is configured to collect a voltage power loss signal of a mains supply incoming line loop disposed in the high-voltage power distribution room where the I/O acousto-optic sub-controller is located, and send the voltage power loss signal to the I/O acousto-optic main controller 11.
It should be noted that, a high-voltage power distribution room is located in a mains supply incoming line cabinet, as shown in fig. 1, the 1# high-voltage power distribution room is located in the 1# mains supply incoming line cabinet, the 2# high-voltage power distribution room is located in the 2# mains supply incoming line cabinet, the 3# high-voltage power distribution room is located in the 3# mains supply incoming line cabinet, the n # high-voltage power distribution room is located in the n # mains supply incoming line cabinet, one line of mains supply incoming lines is arranged in the high-voltage power distribution room, that is, each line of mains supply incoming lines of the data center is respectively arranged in one high-voltage power distribution room.
The acousto-optic alarm wall-mounted box 10 is arranged in a monitoring duty room.
The I/O acousto-optic main controller 11 is installed in the acousto-optic alarm wall hanging box 10, the input end of the I/O acousto-optic main controller 11 is connected with each I/O acousto-optic sub-controller 12, the output end of the I/O acousto-optic main controller 11 is connected with each mains power failure alarm indicator lamp, and the I/O acousto-optic main controller 11 is used for receiving each voltage power failure signal sent by the I/O acousto-optic sub-controller 12 and controlling and sending the mains power failure alarm indicator lamp corresponding to the I/O acousto-optic sub-controller 12 of the voltage power failure signal to emit light.
Wherein, each commercial power loss warning indicator lamp can be arranged on the acousto-optic alarm wall hanging box 10.
It should be particularly noted that, the redundant monitoring device of the power monitoring system in the present invention specifically includes: the redundant monitoring device is applied to a power monitoring system of a data center.
In summary, the present invention discloses a redundant monitoring apparatus for an electric power monitoring system, the apparatus comprising: audible and visual alarm device, audible and visual alarm device includes: the system comprises an acousto-optic alarm wall-mounted box 10, an I/O acousto-optic main controller 11, a plurality of I/O acousto-optic sub-controllers 12 and commercial power failure alarm indicator lamps with the quantity equal to that of the I/O acousto-optic sub-controllers 12, wherein the I/O acousto-optic main controller 11 and the I/O acousto-optic sub-controllers 12 are in distributed and modular design, the acousto-optic alarm wall-mounted box 10 is arranged in a monitoring duty room, the I/O acousto-optic main controller 11 is installed in the acousto-optic alarm wall-mounted box 10, each I/O acousto-optic sub-controller 12 is arranged in a high-voltage power distribution room, the I/O acousto-optic sub-controllers 12 collect voltage power failure signals of commercial power inlet circuits arranged in the high-voltage power distribution room and send the voltage power failure signals to the I/O acousto-optic main controller 11, and the I/O acousto-optic main controller 11 receives the voltage power failure signals sent by each I/O acousto-optic sub-optic controller 12 and controls and sends the voltage power failure alarm indicator lamps corresponding to emit light. The invention does not depend on a power monitoring system platform, and can directly acquire the voltage power-off signal from the incoming line loop of the mains supply arranged in the high-voltage power distribution room, so that when the power monitoring system is down, if important alarm occurs, key alarm data can be still accurately acquired in time, and the reliability and the usability of the power monitoring system in the data center are improved.
Preferably, a GOOSE (Generic Object Oriented Substation Event) protocol is used between the I/O acousto-optic master controller 11 and each I/O acousto-optic slave controller 12 to transmit data to each other.
The communication link between the I/O acousto-optic master controller 11 and each I/O acousto-optic slave controller 12 can be in the form of an optical fiber or an ethernet cable. In consideration of the fact that the monitoring duty room is far away from the high-voltage power distribution room, the I/O acousto-optic main controller 11 and each I/O acousto-optic sub-controller 12 are mainly communicated through optical fibers.
As shown in fig. 1, the sound and light alarm device may further include: the GOOSE switch 13 and the GOOSE switch 13 are connected between the I/O acousto-optic main controller 11 and each I/O acousto-optic sub-controller 12, the GOOSE switch and each I/O acousto-optic sub-controller 12 are connected through optical fibers, and the GOOSE switch and the I/O acousto-optic main controller 11 are connected through an Ethernet communication line.
IN order to further optimize the above embodiment, referring to fig. 2, 901 and 902 IN a wiring diagram of an I/O acousto-optic sub-controller IN the alarm monitoring of a key alarm point location of a data center disclosed IN the embodiment of the present invention indicate power supply incoming line numbers, PS indicates that a monitored loop is IN a normal operating state, and IN1 indicates that the monitored loop is IN a power-off state.
In order to protect the I/O acousto-optic sub-controller 12 from being damaged when power is lost, the acousto-optic alarm device may further include: the microcomputer protection devices 14 are equal in number to the I/O acousto-optic sub-controllers 12;
each microcomputer protection device 14 is arranged on a mains supply inlet wire outside the I/O acousto-optic sub-controller 12. Or, the microcomputer protection device 14 arranged on each line of the mains supply incoming line is connected with one I/O acousto-optic branch controller 12 through a passive dry contact.
In order to further optimize the above embodiment, referring to fig. 3, in a wiring diagram of an I/O acousto-optic master controller in the alarm monitoring of the key alarm point location of the data center disclosed in the embodiment of the present invention, the acousto-optic alarm device may further include: and the first buzzer FM is connected with an output end (an output terminal 5 of the I/O acousto-optic main controller 11 in fig. 3) of the I/O acousto-optic main controller 11, and is used for carrying out sound alarm according to a sound control signal sent by the I/O acousto-optic main controller 11 when the I/O acousto-optic main controller 11 controls the commercial power failure alarm indicator lamp to be on.
In practical application, the first buzzer FM can be reset and silenced by operation and maintenance personnel through silencing, and meanwhile, when the mains supply power-off signal returns, the mains supply power-off warning indicator lamp can automatically turn off, and the operation lamp (not shown in the figure) is turned on again.
IN fig. 3, IN9 of the I/O acousto-optic master controller 11 represents a test button for use IN testing and debugging, and IN10 represents a reset button for manually pressing the button after the alarm is recovered to indicate that the operation and maintenance personnel confirm that the alarm is returned to normal use. The multiple commercial power loss alarm indicator lamps shown in fig. 3, namely a 1# commercial power loss alarm indicator lamp HY1, a 2# commercial power loss alarm indicator lamp HY2, a 3# commercial power loss alarm indicator lamp HY3 and an n # commercial power loss alarm indicator lamp HYn, the No. 1 commercial power failure alarm indicator lamp HY1 is connected with the output terminal 1 of the I/O acousto-optic main controller 11, the 2# mains supply power-loss warning indicator lamp HY2 is connected with the output terminal 2 of the I/O acousto-optic main controller 11, the 3# mains supply power-loss warning indicator lamp HY3 is connected with the output terminal 3 of the I/O acousto-optic main controller 11, and the n # mains supply power-loss warning indicator lamp HYn is connected with the output terminal 4 of the I/O acousto-optic main controller 11.
In order to further optimize the above embodiment, the sound and light alarm device may further include: and the switching-on/off selector switch is connected with the control end of the I/O acousto-optic main controller 11 and is used for controlling the acousto-optic alarm device to switch on and switch off.
Referring to fig. 3, the on/off selection switch includes: a test switch button SB1 and a reset switch button SB2.
In practical application, operation and maintenance personnel can automatically select whether the audible and visual alarm device is put into operation or not by controlling the on-off selection switch.
In order to monitor the GOOSE communication status between the I/O acousto-optic master controller 11 and each I/O acousto-optic slave controller 12 in real time, the acousto-optic alarm device may further include: and the communication fault indicator lamp is marked as a first communication fault indicator lamp, and the first communication fault indicator lamp is used for being arranged on a communication link between the I/O acousto-optic main controller 11 and each I/O acousto-optic sub-controller 12 and is used for emitting light when GOOSE communication between the I/O acousto-optic main controller 11 and each I/O acousto-optic sub-controller 12 is abnormal.
It can be understood that the sound and light alarm device is simple and reliable on the whole, the alarm signal source can not be obtained from the monitoring platform in principle, the extreme scene that the monitoring system is unavailable needs to be considered, and all key alarm point position signals are directly obtained from the facility equipment side. Table 1 shows the alarm point settings.
TABLE 1
Figure BDA0002788189000000091
In the prior art, when a two-way commercial power is dropped, and a diesel engine parallel machine PLC fails to cause the diesel engine set to be incapable of being automatically started, the diesel engine set needs to be manually started manually, the whole process needs to consume a large amount of time, and therefore starting efficiency is low.
To solve this problem, the redundancy monitoring apparatus may further include: the firewood sending one-key starting device is characterized in that a generating component of a firewood sending unit remote starting signal of the firewood sending one-key starting device is connected to a wiring terminal of a firewood sending unit starting output signal in a firewood sending local parallel machine control cabinet, and when the starting signal of the firewood sending unit is remotely triggered, a controller of the firewood sending unit receives the starting signal and then controls the firewood sending unit to operate. Meanwhile, a controller of the diesel engine is linked with a Chai Fa incoming line cabinet (diesel engine incoming line cabinet) breaker to be switched on, and after the Chai Fa incoming line cabinet is switched on successfully, the diesel engine unit is fed back to a main control room through the auxiliary contact of the diesel engine incoming line cabinet breaker in an attracting mode to start a successful signal. After receiving all the feedback signals that the diesel engine is started successfully, the circuit breakers of the diesel engine output cabinet can be closed, and the Chai Fa machine set supplies power to the load in the data center.
Specifically, referring to fig. 4, a system architecture diagram of a diesel-engine one-key starting device in a redundant monitoring device of an electric power monitoring system disclosed in the embodiment of the present invention includes: an I/O Chai Fa main controller 21 and at least one I/O Chai Fa branch controller 22, the I/O Chai Fa main controller 21 is connected with each I/O Chai Fa branch controller 22, and each I/O Chai Fa branch controller 22 is connected with a diesel engine generator set.
The I/O Chai Fa main controller 21 is installed in an acousto-optic alarm wall hanging box of a monitoring room, and the I/O Chai Fa main controller 21 is used for sending a diesel generator set starting signal to the I/O Chai Fa branch controller 22 after receiving an emergency starting command.
The emergency starting command is generated when the mains supply is completely powered off and the diesel engine parallel machine PLC fails.
The I/O Chai Fa branch controller 22 is installed in a diesel engine generator control chamber of a high-voltage power distribution room and used for receiving a diesel engine generator set starting signal, controlling a corresponding diesel engine generator set to start according to the diesel engine generator set starting signal, collecting closing state signals of loops of a diesel engine generator system at the same time, and sending the closing state signals to the I/O Chai Fa main controller 21.
In this embodiment, an independent diesel power generation and supply system is provided in the diesel power parallel machine control room of the data center as a backup power supply of the commercial power. 5363 the unit Chai Fa is arranged in the oil engine room, and the parallel cabinet is arranged in the high-voltage distribution room.
In order to ensure good communication signals between a monitoring duty room and a high-voltage power distribution room, the I/O Chai Fa main controller 21 and the I/O Chai Fa branch controller 22 are deployed in the embodiment, the I/O Chai Fa branch controller 22 is respectively deployed in a diesel engine generator control room in the high-voltage power distribution room, and the starting control of a diesel engine generator set is completed by using a starting control cable between the diesel engine generator control room and a diesel engine generator set. The output starting signal of the I/O Chai Fa sub-controller 22 can be connected in parallel with the start signal in the original diesel engine parallel machine control chamber.
In practical applications, the I/O Chai Fa sub-controller 22 may be mounted via rails.
In conclusion, the firewood sending one-key starting device arranged in the data center is added with a remote starting function of a firewood sending unit on the basis of not influencing the control function of the original electric power monitoring system so as to deal with the risk that the firewood sending unit cannot be automatically started due to the failure of a double-line commercial power, the failure of a firewood sending parallel machine PLC (programmable logic controller), the time for manually starting the firewood sending unit is shortened, and the starting efficiency is improved.
The invention is based on the principle of simple system structure and simple function, and the provided one-key starting device for the diesel engine can realize emergency starting of the diesel engine set. After the diesel engine set is started, the diesel engine set controller completes the diesel engine set parallel operation, and the diesel engine power source output loop is switched on and manually operated by operation and maintenance personnel according to the field condition. The closing of the inlet wire of the diesel emergency power supply can be completed by a power supply switching system or operation and maintenance personnel.
To further optimize the above embodiment, the diesel one-touch starting device may further include: GOOSE switch 23 and GOOSE switch 23 are connected between the I/O Chai Fa main controller 21 and each I/O Chai Fa sub-controller 22, the communication link between the GOOSE switch and each I/O Chai Fa sub-controller 22 adopts optical fiber connection, and the link between the GOOSE switch 23 and the I/O Chai Fa main controller 21 adopts Ethernet communication connection. The I/O Chai Fa main controller 21 and each I/O Chai Fa branch controller 22 adopt GOOSE protocol to transmit data to each other.
In order to facilitate operation and maintenance personnel to remotely know the starting and parallel operation states of the firewood generating set, the closing state of the firewood generating parallel cabinet can be collected through the I/O Chai Fa sub-controller 22, then the I/O Chai Fa sub-controller 22 sends a closing signal to the I/O Chai Fa main controller 21 through a GOOSE protocol, and after the I/O Chai Fa main controller 21 receives the closing signal, the closing state indicating lamp corresponding to the firewood generating parallel cabinet in the closing state is controlled to emit light.
Wherein, the closing signal of the circuit breaker is provided by the auxiliary contact of the parallel cabinet circuit breaker.
Therefore, to further optimize the above embodiment, the diesel-starting one-key starting device may further include: the number of the on-position state indicating lamps is equal to that of the firewood generating sets;
each on-position state indicator lamp is connected with the output end of the I/O Chai Fa main controller 21, and the I/O Chai Fa main controller 21 is used for controlling the on-position state indicator lamp corresponding to the diesel engine cabinet in the on-position state to be on after receiving an on-position signal which is sent by the I/O Chai Fa branch controller 22 and represents that the diesel engine cabinet is in the on-position state.
To further optimize the above embodiment, the diesel one-touch starting device may further include: and the second buzzer is connected with the output end of the I/O Chai Fa main controller 21 and is used for giving an audible alarm according to an audible control signal sent by the I/O Chai Fa main controller 21 when the I/O Chai Fa main controller 21 controls the on-state indicator lamp to be on.
To further optimize the above embodiment, the diesel one-touch starting device may further include: and the PLC fault indicator lamp is connected with the output end of the I/O Chai Fa main controller 21 and used for emitting light according to a fault indication instruction sent by the I/O Chai Fa main controller 21 when the I/O Chai Fa main controller 21 receives PLC fault information sent by the I/O Chai Fa branch controller 22 so as to remind operation and maintenance personnel to acquire a diesel engine parallel engine and generate PLC faults.
In order to monitor the GOOSE communication state between the I/O Chai Fa master controller 21 and each I/O diesel-sending slave controller, the diesel-sending one-key starting device may further comprise: and the communication fault indicator lamp is marked as a second communication fault indicator lamp, is arranged on a communication link between the I/O Chai Fa master controller 21 and each I/O firewood sending slave controller, and is used for emitting light when GOOSE communication between the I/O Chai Fa master controller 21 and each I/O firewood sending slave controller is abnormal.
To further optimize the above embodiment, the diesel one-touch starting device may further include: and the emergency starting button is connected with the control end of the I/O Chai Fa main controller 21 and is used for starting the starting of all the diesel generator sets.
In practical application, operation and maintenance personnel can start the start of all on-site diesel generator sets by triggering the emergency starting button. According to the configuration of the diesel engine set, the diesel engine one-key starting device can be provided with two emergency starting buttons for respectively starting the diesel engine sets of the A1F176 engine room and the A1F77 engine room.
It should be noted that the I/O Chai Fa main controller 21, the on-position status indicator light, the PLC fault indicator light, the second communication fault indicator light, the emergency start button, and the like are all integrated in the audible and visual alarm wall-mounted box.
In summary, the redundant monitoring device of the power monitoring system disclosed by the present invention may include, in addition to the audible and visual alarm device: a key starting drive is sent out to firewood, send out emergent start requirement for satisfying the firewood, because the site control center is far away from the firewood and send out the parallel machine control room, consequently set up a key starting drive is sent out to the firewood at data center, on the control function basis that does not influence original electric power monitored control system, increased the remote start function to the firewood unit of sending out to deal with double-circuit commercial power and fall the point, the firewood is sent out the parallel machine PLC trouble and is leaded to the unable automatically starting of firewood unit (PLC system trouble) risk, shorten the time of the manual start-up firewood unit of people, improve start efficiency.
In addition, by means of a one-key starting scheme (separated from a PLC system, an electric power monitoring system and the like) of the diesel engine, the diesel engine set is manually started through an emergency starting button, and the problem that the automatic control system is accidentally shut down can be solved.
To facilitate an understanding of the wiring principle of I/O Chai Fa sub-controller, the following description is made in detail.
Referring to fig. 5, a wiring diagram of an I/O Chai Fa branch controller in a diesel engine one-key starting device disclosed in the embodiment of the present invention is shown, each unit closing indication loop corresponds to one unit parallel switch cabinet, specifically, a connection relationship between a 1# unit parallel switch cabinet and a 6# unit parallel switch cabinet shown in fig. 5, and a connection relationship between an a-way output switch cabinet and a B-way output switch cabinet and an I/O Chai Fa branch controller are shown, a connection relationship between a 1# to 6# unit remote starting outlet (including standby) and an I/O Chai Fa branch controller output terminal is shown in fig. 5 for the PLC fault indication loop.
To facilitate an understanding of the wiring principle of the I/O Chai Fa host controller, the following description is made in detail.
Referring to fig. 6, a wiring diagram of an I/O Chai Fa main controller in a diesel-engine one-key starting device disclosed by the embodiment of the invention, an emergency starting button comprises: a trial button SB3 and a one-touch start button SB4.
The one-key starting device for firewood comprises: 1# unit indicator lamp-n # unit indicator lamps, namely HR 1-HR 6, each unit indicator lamp is connected with an I/O Chai Fa main controller output terminal, in detail, I/O Chai Fa main controller output terminal 1-I/O Chai Fa main controller output terminal 6 in FIG. 6.
The one-key starting device for firewood comprises: a way output closing indicator lamp HRA and B way output closing indicator lamp HRB, A way output closing indicator lamp HRA is connected with I/O Chai Fa main controller output terminal 7, B way output closing indicator lamp HRB is connected with I/O Chai Fa main controller output terminal 8.
The one-key starting device for firewood comprises: PLC trouble pilot lamp HY, PLC trouble pilot lamp HY and I/O Chai Fa main controller output terminal 9 are connected.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (13)

1. A redundant monitoring device of a power monitoring system, comprising: an audible and visual alarm device;
the audible and visual alarm device comprises: the system comprises an audible and visual alarm wall hanging box, an I/O audible and visual main controller, a plurality of I/O audible and visual sub-controllers and commercial power failure alarm indicating lamps with the same number as the I/O audible and visual sub-controllers;
each I/O acousto-optic branch controller is arranged in a high-voltage power distribution room and used for acquiring a voltage power-off signal of a mains supply inlet wire loop arranged in the high-voltage power distribution room and sending the voltage power-off signal to the I/O acousto-optic main controller;
the acousto-optic alarm wall-mounted box is arranged in the monitoring duty room;
the I/O acousto-optic main controller is installed in the acousto-optic alarm wall hanging box, the input end of the I/O acousto-optic main controller is connected with each I/O acousto-optic sub-controller, the output end of the I/O acousto-optic main controller is connected with each mains power failure alarm indicator lamp, and the I/O acousto-optic main controller is used for receiving a voltage power failure signal sent by each I/O acousto-optic sub-controller and controlling the mains power failure alarm indicator lamp corresponding to the I/O acousto-optic sub-controller sending the voltage power failure signal to emit light;
the redundant monitoring device further comprises: a firewood starting one-key starting device;
the one-key starting device for firewood comprises: an I/O Chai Fa main controller and at least one I/O Chai Fa branch controller, wherein the I/O Chai Fa main controller is connected with the I/O Chai Fa branch controllers, and each I/O Chai Fa branch controller is connected with a diesel generator set;
the I/O Chai Fa main controller is installed in an acousto-optic alarm wall-mounted box of a monitoring room and used for sending a diesel engine set starting signal to the I/O Chai Fa branch controller after receiving an emergency starting command, wherein the emergency starting command is generated when all mains supply is powered off and a diesel engine parallel machine PLC fails;
the I/O Chai Fa branch controller is installed in a diesel engine generator control chamber of a high-voltage power distribution room and used for receiving a diesel engine generator set starting signal, controlling a corresponding diesel engine generator set to start according to the diesel engine generator set starting signal, collecting closing state signals of all loops of a diesel engine generator system, and sending the closing state signals to the I/O Chai Fa main controller.
2. The redundant monitoring device according to claim 1, wherein data are mutually transmitted between the I/O acousto-optic master controller and each I/O acousto-optic slave controller by adopting a generic object oriented substation event GOOSE protocol.
3. The redundant monitoring device according to claim 1, wherein the audible and visual alarm device further comprises: GOOSE switch;
the GOOSE switch is connected between the I/O acousto-optic main controller and each I/O acousto-optic sub-controller, the GOOSE switch is connected with each I/O acousto-optic sub-controller through optical fibers, and the GOOSE switch is connected with the I/O acousto-optic main controller through an Ethernet communication line.
4. The redundant monitoring device of claim 1, wherein the audible and visual alarm device further comprises: a first buzzer;
the first buzzer is connected with the output end of the I/O acousto-optic main controller and used for carrying out sound alarm according to the sound control signal sent by the I/O acousto-optic main controller when the I/O acousto-optic main controller controls the commercial power failure alarm indicator lamp to be on.
5. The redundant monitoring device of claim 1, wherein the audible and visual alarm device further comprises: a throw-retreat selecting switch;
the switching-on/off selection switch is connected with the control end of the I/O acousto-optic main controller and is used for controlling the acousto-optic alarm device to switch on and switch off.
6. The redundant monitoring device according to claim 1, wherein the audible and visual alarm device further comprises: a first communication failure indicator light;
the first communication fault indicator lamp is arranged on a communication link between the I/O acousto-optic main controller and each I/O acousto-optic sub-controller and used for emitting light when GOOSE communication between the I/O acousto-optic main controller and each I/O acousto-optic sub-controller is abnormal.
7. The redundant monitoring device according to claim 1, wherein the audible and visual alarm device further comprises: the microcomputer protection devices are equal in number to the I/O acousto-optic sub-controllers;
each microcomputer protection device is arranged on a mains supply incoming line outside one I/O acousto-optic sub-controller.
8. The redundant monitoring device of claim 1, wherein the diesel-fired one-key start device further comprises: the number of the on-position state indicating lamps is equal to that of the diesel generator set;
each on-position state indicator lamp is connected with the output end of the I/O Chai Fa main controller, and the I/O Chai Fa main controller is used for controlling the on-position state indicator lamp corresponding to the firewood sending parallel cabinet in the closing state to be on after receiving an on-position signal which is sent by the I/O Chai Fa branch controller and represents that the firewood sending parallel cabinet is in the closing state.
9. The redundancy monitoring device of claim 1, wherein the I/O Chai Fa master controller and each I/O Chai Fa slave controller communicate data with each other by using GOOSE protocol.
10. The redundant monitoring device of claim 1, wherein the diesel-fired one-key start device further comprises: a second buzzer;
the second buzzer is connected with the output end of the I/O Chai Fa main controller and used for giving a sound alarm according to a sound control signal sent by the I/O Chai Fa main controller when the I/O Chai Fa main controller controls the on-state indicator lamp to be on.
11. The redundant monitoring device of claim 1, wherein the diesel-fired one-key start device further comprises: a PLC fault indicator light;
the PLC fault indicator lamp is connected with the output end of the I/O Chai Fa main controller and used for emitting light according to a fault indication instruction sent by the I/O Chai Fa main controller when the I/O Chai Fa main controller receives PLC fault information sent by the I/O Chai Fa branch controller.
12. The redundant monitoring device of claim 1, wherein the diesel-fired one-key start device further comprises: a second communication fault indicator light;
the second communication fault indicator lamp is arranged on a communication link between the I/O Chai Fa master controller and each I/O firewood sending slave controller and is used for emitting light when GOOSE communication between the I/O Chai Fa master controller and each I/O firewood sending slave controller is abnormal.
13. The redundant monitoring device of claim 1, wherein the diesel-fired one-key start device further comprises: an emergency start button;
the emergency starting button is connected with the control end of the I/O Chai Fa main controller and used for starting all the diesel engine sets.
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