Diesel power station cable and equipment fireproof monitoring system and method
Technical Field
The invention relates to the technical field of fire prevention, in particular to a system and a method for monitoring fire prevention of cables and equipment of a diesel power station.
Background
The development of society and the innovation of science and technology are all the same, and the cable is the most important medium for transmitting power. Along with the increasing development and growth of national economic construction, the investment of the national ministry of public security on fire accident prevention is more and more intensive in recent years. At present, the demands of large-scale chemical enterprises, electric power enterprises, industrial and mining enterprises and other high and new enterprises on cables, power supply and distribution equipment and control equipment are increasing, and fire disasters sometimes happen while the large-scale and new enterprises develop vigorously, however, each fire disaster causes great loss to people, especially fire prevention measures in power stations, and the fire disasters in the power stations cause great loss, so that fire prevention is particularly important.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a system and a method for monitoring the fire prevention of cables and equipment of a diesel power station.
In order to achieve the purpose, the invention adopts the following technical scheme: a fire prevention monitoring system for cables and equipment of a diesel power station comprises a fire detector, network equipment, a monitoring system server, a monitoring system workstation, an inert gas fire extinguishing system, a cable and equipment early warning control system and is characterized in that an auxiliary equipment three-dimensional model imaging system is arranged in the monitoring system workstation, the fire detector and the inert gas fire extinguishing system are both connected with the network equipment and are connected with the three-dimensional model imaging system through a network and are used for monitoring the fire pre-warning state and the fire extinguishing equipment action state of a cable and equipment monitoring area in the power station, the network equipment, the monitoring system workstation, the monitoring system server and the early warning control system are all connected through the network, the monitoring system workstation monitors the action signals of the fire detector and the inert gas fire extinguishing system in real time, and meanwhile, three-dimensional model imaging is completed, and an early warning signal is fed back to the monitoring system server and the cable and equipment early warning control system, so that the fireproof monitoring, early warning and fire extinguishing of the cables and equipment in the power station are realized.
Particularly, the fire detector comprises a point-type smoke detector for collecting smoke alarm parameters, a point-type temperature-sensitive detector and a linear cable-type temperature-sensitive detector for collecting temperature alarm signals, and a flame-sensitive detector for collecting flame illumination radiation intensity parameters, and is connected with the I/O module in a signal two-bus mode, and the I/O module is connected with the network equipment.
In particular, cable type linear temperature-sensing detectors, point type smoke-sensing detectors and point type temperature-sensing detectors are uniformly arranged in cable trenches in the diesel generator room, the distribution room, the bridge and the shaft; the ceiling of the flame photosensitive detector is arranged at the top in the diesel generator room; the inert gas fire extinguishing device is arranged on the diesel generator set, the high-voltage cabinet, the low-voltage cabinet and the transformer shell.
Particularly, the cable type linear temperature-sensing detector is laid in the cable trench in a sine form; the point type smoke detector and the point type temperature detector are uniformly arranged on the trench wall; the flame photosensitive detectors are uniformly arranged at the top in the generator room; the inert gas fire extinguishing device is installed on the diesel generator set, the high-voltage cabinet, the low-voltage cabinet and the transformer protective cover, the inert gas is heptafluoropropane, and the inert gas output hose is laid inside the equipment along the opening of the equipment protective cover model.
A diesel power station cable and equipment fire prevention monitoring method is characterized by comprising the following steps:
(1) the fire detector monitors temperature and smoke information in a monitoring area in real time, transmits the information to the photoelectric conversion module, feeds back the converted signals to a monitoring system workstation, images through a three-dimensional model imaging system, monitors the alarm state of the fire detector and the action state of the inert gas fire extinguishing device in a power station cable and equipment monitoring area based on three-dimensional imaging, and sends fire prediction and alarm signals, the action signal of the inert gas fire extinguishing device and the three-dimensional imaging of the corresponding area to a monitoring system server and an early warning control system through network equipment;
(2) the early warning control system sends related early warning information according to the fire early warning and warning signals, the monitoring system server transmits the early warning and warning information to the cable and equipment fire prevention monitoring system server, and simultaneously, imaging is carried out in a three-dimensional model, and point position information of early warning and warning equipment is displayed, so that the field condition can be monitored in real time;
(3) the early warning control system monitors information such as temperature, smoke, flame light and the like in a fire prevention area in real time according to a fire detector, compares the information with preset and warning parameter values, sends warning information when various parameters collected on site exceed the preset and warning parameters, and displays a warning information picture and an inert gas fire extinguishing device control interface by a terminal after a monitoring system server monitors the warning information, and simultaneously displays the specific position of a fire by matching with three-dimensional imaging;
(4) inert gas extinguishing device self has the temperature detection contact, lays to the safety cover inside along gas output hose, when reaching extinguishing device preset starting parameter by monitoring fire prevention regional temperature parameter, and automatic start extinguishing device puts out a fire.
The invention has the beneficial effects that: the diesel power station cable and equipment fire prevention monitoring system monitors the cable, equipment and all data which can cause fire alarm in real time, data acquisition and transmission are timely, the early warning control system is convenient to calculate and analyze the data in time, a fire place is found through three-dimensional imaging, fire prediction, alarm and fire extinguishing signals are sent out and fed back to operators on duty, fire spreading is further controlled, and loss caused by fire is reduced.
Drawings
FIG. 1 is a network architecture diagram of the present invention;
FIG. 2 is a schematic power supply diagram of the system of the present invention;
FIG. 3 is a schematic diagram of the system networking of the present invention;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-3, a cable and equipment fire prevention monitoring system for a diesel power station comprises a fire detector, a network device, a monitoring system server, a monitoring system workstation, an inert gas fire extinguishing system, a cable and equipment early warning control system, and is characterized in that an auxiliary equipment three-dimensional model imaging system is arranged in the monitoring system workstation, the fire detector and the inert gas fire extinguishing system are both connected with the network device and the three-dimensional model imaging system through a network for monitoring a fire pre-alarm state and a fire extinguishing equipment action state of a cable and equipment monitoring area in the power station, the network device, the monitoring system workstation, the monitoring system server and the early warning control system are all connected through a network, and the monitoring system workstation monitors action signals of the fire detector and the inert gas fire extinguishing system in real time, and meanwhile, three-dimensional model imaging is completed, and an early warning signal is fed back to the monitoring system server and the cable and equipment early warning control system, so that the fireproof monitoring, early warning and fire extinguishing of the cables and equipment in the power station are realized.
The fire detector comprises a point-type smoke detector for collecting smoke alarm parameters, a point-type temperature-sensitive detector and a linear cable-type temperature-sensitive detector for collecting temperature alarm signals, and a flame photosensitive detector for collecting flame illumination radiation intensity parameters, and is connected with the I/O module in a signal two-bus mode, and the I/O module is connected with the network equipment.
Cable type linear temperature-sensing detectors, point type smoke-sensing detectors and point type temperature-sensing detectors are uniformly arranged in cable trenches in the diesel generator room, the distribution room, the bridge and the shaft; the ceiling of the flame photosensitive detector is arranged at the top in the diesel generator room; the inert gas fire extinguishing device is arranged on the diesel generator set, the high-voltage cabinet, the low-voltage cabinet and the transformer shell.
The cable type linear temperature-sensing detector is laid in the cable trench in a sine form; the point type smoke detector and the point type temperature detector are uniformly arranged on the trench wall; the flame photosensitive detectors are uniformly arranged at the top in the generator room; the inert gas fire extinguishing device is installed on the diesel generator set, the high-voltage cabinet, the low-voltage cabinet and the transformer protective cover, the inert gas is heptafluoropropane, and the inert gas output hose is laid inside the equipment along the opening of the equipment protective cover model.
Fire detectors are not arranged in other non-key protection areas, and a plurality of superfine dry powder fire extinguishers or carbon dioxide fire extinguishers are arranged.
In the normal operation of the system inspection process, the fire detector can acquire the change trend of smoke concentration, temperature and flame light radiation in a monitored fireproof area and external environment information, and feeds back the monitoring state in real time according to the monitored environment information, when a fire hazard happens in the monitored area, the system transmits an alarm signal and related position information according to the alarm state and displays the alarm signal and the related position information at the three-dimensional model imaging system terminal, and operators on duty can conveniently receive fire alarm information and know the fire scene situation at the first time.
The AC power supply in the fire-fighting wiring terminal box is taken from a special distribution box for fire alarm, the flame sensing detector, the I/O module and the inert gas fire extinguishing system adopt AC220V in the fire-fighting wiring terminal box to supply power through DC24V converted by the power supply module, and the DC24V power supply avoids laying in a collinear way with AC220V or a high-voltage cable, and laying in a collinear way by using a partition board or spacing a safe distance.
A diesel power station cable and equipment fire prevention monitoring method is characterized by comprising the following steps:
(1) the fire detector monitors temperature and smoke information in a monitoring area in real time, transmits the information to the photoelectric conversion module, feeds back the converted signals to a monitoring system workstation, images through a three-dimensional model imaging system, monitors the alarm state of the fire detector and the action state of the inert gas fire extinguishing device in a power station cable and equipment monitoring area based on three-dimensional imaging, and sends fire prediction and alarm signals, the action signal of the inert gas fire extinguishing device and the three-dimensional imaging of the corresponding area to a monitoring system server and an early warning control system through network equipment;
(2) the early warning control system sends related early warning information according to the fire early warning and warning signals, the monitoring system server transmits the early warning and warning information to the cable and equipment fire prevention monitoring system server, and simultaneously, imaging is carried out in a three-dimensional model, and point position information of early warning and warning equipment is displayed, so that the field condition can be monitored in real time;
(3) the early warning control system monitors information such as temperature, smoke, flame light and the like in a fire prevention area in real time according to a fire detector, compares the information with preset and warning parameter values, sends warning information when various parameters collected on site exceed the preset and warning parameters, and displays a warning information picture and an inert gas fire extinguishing device control interface by a terminal after a monitoring system server monitors the warning information, and simultaneously displays the specific position of a fire by matching with three-dimensional imaging;
(4) inert gas extinguishing device self has the temperature detection contact, lays to the safety cover inside along gas output hose, when reaching extinguishing device preset starting parameter by monitoring fire prevention regional temperature parameter, and automatic start extinguishing device puts out a fire.
The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the invention, and all such modifications and variations are within the scope of the invention.