CN112023304B - Energy storage power station fire-fighting system and control method thereof - Google Patents
Energy storage power station fire-fighting system and control method thereof Download PDFInfo
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- CN112023304B CN112023304B CN202011241112.8A CN202011241112A CN112023304B CN 112023304 B CN112023304 B CN 112023304B CN 202011241112 A CN202011241112 A CN 202011241112A CN 112023304 B CN112023304 B CN 112023304B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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Abstract
The invention discloses an energy storage power station fire-fighting system and a control method thereof, wherein the system comprises a control device, an energy storage prefabricated cabin, a liquid storage tank, a lifting device, a first fire-extinguishing device and a second fire-extinguishing device; the lifting device is arranged in the liquid storage tank, the energy storage prefabricated cabin is arranged on the lifting device, and the energy storage prefabricated cabin is higher than the liquid level of fire extinguishing fluid in the liquid storage tank in a normal state; the control device is used for receiving and analyzing detection signals sent by the detection device and generating different control signals according to analysis results, the control signals comprise a first fire extinguishing control signal, a second fire extinguishing control signal and a descending control signal, the first fire extinguishing control signal controls the first fire extinguishing device to be started, the second fire extinguishing control signal controls the second fire extinguishing device to be started, and the descending control signal controls the lifting device to descend so that the energy storage prefabricated cabin is immersed in fire extinguishing fluid of the liquid storage tank; the system can prevent further expansion of the fire.
Description
Technical Field
The invention relates to the technical field of electrochemical energy storage, in particular to an energy storage power station fire-fighting system and a control method thereof.
Background
Electrochemical energy storage is one of the future development directions. Electrochemical energy storage refers to energy storage of various types of secondary batteries represented by lithium batteries. Compared with the traditional energy storage modes such as mechanical energy storage, the electrochemical energy storage is convenient and easy to install, and can be flexibly applied to a power generation side, a power transmission and distribution side and a power utilization side. By the end of 2019, the accumulated installed scale of the electrochemical energy storage put into operation in China is 1709.6MW, and the increase on year-on-year basis is 59.4%; among various electrochemical energy storage technologies, the cumulative installed scale of the lithium ion battery is the largest, and is 1378.3 MW. According to the CNESA conservative estimation, the domestic electrochemical energy storage market continues to develop steadily in 2020, and the estimated accumulated installed scale can reach 2726.7 MW. In the fourteen-five period, with the release of more favorable policies, the support of electrochemical energy storage application is gradually increased, the market scale is continuously increased, the annual composite growth rate (2020-.
However, with the rapid development of electrochemical energy storage power stations, some safety issues are gradually emerging. Because of the advantages of low self-discharge rate, high specific energy, environmental friendliness and the like, lithium ion batteries are becoming an indispensable component in the field of energy storage. But it stores electrical energy, chemical energy, and in some abuse situations, thermal runaway is very likely to occur and is difficult to suppress. The capacity of the single battery of the large-scale energy storage system is larger, the number of the batteries is larger, the parallel connection number of the battery clusters is larger, and the failure probability of the batteries is also greatly increased. If no effective fire extinguishing measure is available, the thermal runaway propagation of the battery is prevented, and the large-area flame spread and even explosion accidents are easily caused. Once a large-area fire disaster occurs in the prefabricated cabin, thousands of batteries participate in combustion, and the conventional fire extinguishing means cannot suppress the fire disaster at all, even possibly causes the fire disaster of the surrounding energy storage prefabricated cabin, so that the large-area fire disaster of the energy storage power station is caused, and the great economic loss is brought.
Disclosure of Invention
The invention provides a fire-fighting system for an energy storage power station and a control method thereof, which aim to solve the problem that fire in a prefabricated cabin of the energy storage power station is difficult to inhibit in the prior art.
The invention provides an energy storage power station fire-fighting system which comprises a control device, an energy storage prefabricated cabin, a liquid storage tank, a lifting device, a first fire-extinguishing device and a second fire-extinguishing device, wherein the control device is connected with the energy storage prefabricated cabin; the lifting device is arranged in the liquid storage pool, the energy storage prefabricated cabin is arranged on the lifting device, and the energy storage prefabricated cabin is higher than the liquid level of fire extinguishing fluid in the liquid storage pool in a normal state;
a detection device and at least one battery cluster are distributed in the energy storage prefabricated cabin, and the control device, the first fire extinguishing device and the second fire extinguishing device are arranged in the energy storage prefabricated cabin;
the control device is used for receiving the detection signal sent by the detection device and analyzing the detection signal, different control signals are generated according to an analysis result, the control signals comprise a first fire extinguishing control signal, a second fire extinguishing control signal and a descending control signal, the first fire extinguishing control signal is used for controlling to open the first fire extinguishing device, the second fire extinguishing control signal is used for controlling to open the second fire extinguishing device, and the descending control signal is used for controlling to descend the lifting device so that the energy storage prefabricated cabin is immersed into fire extinguishing fluid of the liquid storage tank.
In some embodiments, the detection device comprises at least one smoke sensor and a plurality of temperature sensors, the at least one smoke sensor is used for acquiring smoke concentration signals in the energy storage prefabricated cabin and sending the smoke concentration signals to the control device, and the plurality of temperature sensors are used for acquiring temperature signals of all areas in the energy storage prefabricated cabin and sending the temperature signals to the control device;
the control device is also used for generating a first fire extinguishing control signal when the smoke concentration detected by any smoke sensor is greater than a preset concentration threshold value or the temperature detected by any temperature sensor is greater than a preset temperature threshold value; generating a second fire extinguishing control signal when the temperatures detected by the temperature sensors exceeding the first preset number are greater than a preset temperature threshold value; and generating a falling control signal when the temperatures detected by the temperature sensors exceeding the second preset number are greater than a preset temperature threshold value.
In some embodiments, the control system further comprises a control room, the control device being disposed within the control room;
the control room is also internally provided with a process control system, a battery management system, a power distribution system and a standby power supply, and the process control system, the battery management system and the power distribution system are connected with the battery cluster and the standby power supply;
the control device is also used for generating a second fire extinguishing control signal and simultaneously generating a main line disconnection control signal and a standby power supply control signal, wherein the main line disconnection control signal is used for controlling disconnection of the process control system, the battery management system and the power distribution system, the power supply of the standby power supply is controlled by the standby power supply, and the standby power supply supplies power to the battery management system.
In some embodiments, the first fire extinguishing device is a gas fire extinguishing device, and the gas fire extinguishing agent is perfluorohexanone or heptafluoropropane.
In some embodiments, the second fire extinguishing device comprises a pump body, a pipeline, a solenoid valve and a plurality of spray heads, the pump body is connected with the plurality of spray heads through the pipeline, the solenoid valve is arranged on the pipeline, and the plurality of spray heads are distributed in the energy storage prefabricated cabin;
the pump body is used for taking fire extinguishing fluid from the liquid storage tank, the fire extinguishing fluid is conveyed to the plurality of spray heads through the pipeline, the electromagnetic valve is arranged on the pipeline, and the second fire extinguishing control signal is used for controlling the electromagnetic valve to be opened.
In some embodiments, the lifting device comprises a hydraulic support and a supporting platform, the hydraulic support is used for supporting the supporting platform, and the energy storage prefabricated cabin is arranged on the supporting platform;
the hydraulic support is provided with a hydraulic cylinder in a matching mode, and the descending control signal is used for controlling the hydraulic cylinder to reduce pressure so that the hydraulic support descends.
The invention also provides a control method of the energy storage power station fire-fighting system, which is applied to the energy storage power station fire-fighting system and comprises the following steps:
the control device receives and analyzes the detection signal sent by the detection device;
and generating different control signals according to the analysis result, wherein the control signals comprise a first fire extinguishing control signal, a second fire extinguishing control signal and a descending control signal, the first fire extinguishing control signal is used for controlling the opening of a first fire extinguishing device, the second fire extinguishing control signal is used for opening a second fire extinguishing device, and the descending control signal is used for controlling the descending of the lifting device so that the energy storage prefabricated cabin is immersed in the fire extinguishing fluid of the liquid storage tank.
In some embodiments, the detection device comprises at least one smoke sensor and a plurality of temperature sensors, the at least one smoke sensor is used for acquiring smoke concentration signals in the energy storage prefabricated cabin and sending the smoke concentration signals to the control device, and the plurality of temperature sensors are used for acquiring temperature signals of all areas in the energy storage prefabricated cabin and sending the temperature signals to the control device;
the method further comprises the following steps:
when the smoke concentration detected by any one smoke sensor is greater than a preset concentration threshold value or the temperature detected by any one temperature sensor is greater than a preset temperature threshold value, the control device generates a first fire extinguishing control signal;
when the temperatures detected by the temperature sensors exceeding the first preset number are greater than a preset temperature threshold value, the control device generates a second fire extinguishing control signal;
the control means generates a fall control signal when the temperatures detected by the temperature sensors exceeding a second preset number are greater than a preset temperature threshold.
In some embodiments, the control system further comprises a control room, the control device being disposed within the control room;
the control room is also internally provided with a process control system, a battery management system, a power distribution system and a standby power supply, and the process control system, the battery management system and the power distribution system are connected with the battery cluster and the standby power supply;
the method further comprises the following steps:
the control device generates a second fire extinguishing control signal and generates a main line disconnection control signal and a standby power supply control signal at the same time, the main line disconnection control signal is used for controlling disconnection of the process control system, the battery management system and the power distribution system, the power supply of the standby power supply control signal is used for controlling the standby power supply to supply power to the battery management system.
In some embodiments, the first predetermined number is 20% of the total number of temperature sensors, and the second predetermined number is 60% of the total number of temperature sensors.
The energy storage power station fire-fighting system and the control method thereof provided by the invention at least have the following beneficial effects:
(1) the energy storage power station is arranged on the liquid storage tank, and the energy storage prefabricated cabin can be sunk into fire extinguishing fluid under the condition of meeting the preset condition, so that the fire is prevented from further expanding, and the economic loss is reduced;
(2) different fire extinguishing measures are adopted according to the danger level of the fire, so that the economic loss is reduced to the maximum extent;
(3) the second fire extinguishing device can directly take fire extinguishing fluid from the liquid storage tank for fire extinguishing, has short path, large water pressure and strong cooling effect, and fully exerts the advantages of adjacent water;
(4) when the fire disaster reaches a certain degree, the electric connection of the process control system, the battery management system, the power distribution system and the battery cluster is cut off, and the further occurrence of the electrical fire disaster is prevented
(5) When the fire hazard is high, the energy storage prefabricated cabin can be rapidly sunk into fire extinguishing fluid to prevent the fire extinguishing fluid from spreading to other energy storage prefabricated cabins or other equipment, so that the space between the energy storage prefabricated cabins or the space between the energy storage prefabricated cabins and other equipment can be reduced, and the occupied area of the whole energy storage power station is saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the energy storage power station fire protection system provided by the invention.
Fig. 2 is a schematic diagram of an embodiment of an energy storage prefabricated cabin in an energy storage power station fire-fighting system provided by the invention.
Fig. 3 is a schematic structural diagram of an embodiment of a detection device in a fire protection system of an energy storage power station provided by the invention.
Fig. 4 is a schematic structural diagram of an embodiment of a second fire extinguishing apparatus in the fire extinguishing system of the energy storage power station provided by the invention.
Fig. 5 is a schematic structural diagram of an embodiment of a control device in the fire-fighting system of the energy storage power station provided by the invention.
Fig. 6 is a schematic structural diagram of an embodiment of a lifting device in a fire-fighting system of an energy storage power station provided by the invention.
Fig. 7 is a schematic structural diagram of an embodiment of a control room in the fire-fighting system of the energy storage power station provided by the invention.
Fig. 8 is a flowchart of an embodiment of a control method of a fire protection system of an energy storage power station according to the present invention.
Detailed description of the preferred embodiments
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, in some embodiments, an energy storage power station fire protection system is provided, which includes a control device 1, an energy storage prefabricated cabin 2, a liquid storage tank 3, a lifting device 4, a first fire extinguishing device 5 and a second fire extinguishing device 6; the lifting device 4 is arranged in the liquid storage tank 3, the energy storage prefabricated cabin 2 is arranged on the lifting device 4, and the energy storage prefabricated cabin 2 is higher than the liquid level of fire extinguishing fluid in the liquid storage tank 3 in a normal state;
a detection device and at least one battery cluster 7 are arranged in the energy storage prefabricated cabin 2, and the control device 1, the first fire extinguishing device 5 and the second fire extinguishing device 6 are arranged in the energy storage prefabricated cabin 2;
the control device 1 is used for receiving detection signals sent by the detection device and analyzing the detection signals, different control signals are generated according to analysis results, the different control signals comprise a first fire extinguishing control signal, a second fire extinguishing control signal and a descending control signal, the first fire extinguishing control signal is used for controlling the opening of the first fire extinguishing device 5, the second fire extinguishing control signal is used for controlling the opening of the second fire extinguishing device 6, and the descending control signal is used for controlling the descending of the lifting device 4 so that the energy storage prefabricated cabin 2 is immersed into fire extinguishing fluid of the liquid storage tank 3.
The energy storage power station fire extinguishing system that this embodiment provided, the energy storage power station sets up on the liquid reserve tank, can sink into the fire extinguishing fluid with the prefabricated cabin of energy storage under satisfying predetermined condition, prevents that the conflagration from further expanding, reduces economic loss.
In some embodiments, the fire extinguishing fluid is water, which is low in cost and has good fire extinguishing and cooling effects.
Referring to fig. 3, in some embodiments, the detection device comprises at least one smoke sensor 8 and a plurality of temperature sensors 9, wherein the at least one smoke sensor 8 is used for collecting smoke concentration signals in the energy storage prefabricated cabin and sending the smoke concentration signals to the control device 1, and the plurality of temperature sensors 9 are used for collecting temperature signals of all areas in the energy storage prefabricated cabin 2 and sending the temperature signals to the control device 1.
At least one smoke sensor 8 and a plurality of temperature sensors 9 are distributed over various regions of the energy storage module 2.
The control device 1 receives and analyzes the smoke concentration signal sent by at least one smoke sensor 8 and the temperature signals sent by the temperature sensors 9, and when the smoke concentration detected by any one smoke sensor is greater than a preset concentration threshold value or the temperature detected by any one temperature sensor is greater than a preset temperature threshold value, in this case, the fire hazard is small, and the control device 1 generates a first fire extinguishing control signal to start the first fire extinguishing device.
In some embodiments, the first fire-extinguishing device 5 is a gaseous fire-extinguishing device, and the gaseous fire-extinguishing agent is perfluorohexanone or heptafluoropropane. The first fire extinguishing device 5 is arranged at the prefabricated cabin corner of the energy storage.
In some embodiments, when the temperature detected by more than a first preset number of temperature sensors is greater than a preset temperature threshold, at which time the fire risk is further increased, the control device 1 generates a second fire extinguishing control signal to turn on the second fire extinguishing device 6.
In some embodiments, the first predetermined number is 20% of the total number of temperature sensors, i.e., the second fire suppression control signal is generated when more than 20% of the total number of temperature sensors detect a temperature greater than a predetermined threshold.
In some embodiments, referring to fig. 4, the second fire extinguishing apparatus 6 includes a pump body 61, a pipeline 62, a solenoid valve 63, and a plurality of spray heads 64, the pump body 61 is connected to the plurality of spray heads 64 through the pipeline 62, the solenoid valve 63 is disposed on the pipeline 62, the plurality of spray heads 64 are distributed in the energy storage prefabricated cabin 2, and the action range covers all the battery clusters;
the pump body 61 is used for taking out the fluid of putting out a fire from the liquid storage tank 3, and the pipeline 62 carries to a plurality of shower nozzles 64, and solenoid valve 63 sets up on pipeline 62, and the second control signal of putting out a fire is used for controlling solenoid valve 63 to open, for guaranteeing shower nozzle department pressure, can set up a plurality of pump bodies.
The pump body 61 directly gets the fluid of putting out a fire from the liquid storage tank and puts out a fire to the prefabricated cabin 2 of energy storage, and the route is short, and water pressure is big, cooling effect is strong, full play adjacent water advantage.
In some embodiments, when the temperature detected by the temperature sensors exceeding the second preset number is greater than the preset temperature threshold, which indicates that a large area of fire has started in the energy storage prefabricated cabin 2, and no rescue is necessary, and the fire risks spreading to other cabin bodies, the control device 1 generates a descending control signal and controls the lifting device 4 to descend, so that the energy storage prefabricated cabin sinks into the fire extinguishing fluid, the fire is prevented from further expanding to endanger other energy storage prefabricated cabins or other facilities, and economic loss is reduced.
In some embodiments, the second predetermined number is 60% of the total number of temperature sensors, that is, when more than 60% of the total number of temperature sensors detect temperatures greater than the predetermined threshold value, a large area of fire can be started in the prefabricated cabin 2, no rescue is necessary, and the fire risks spreading to other cabin bodies.
Referring to fig. 5, the control device 1 includes a receiving module 11 and a determining module 12, the receiving module 11 is configured to receive a smoke concentration signal sent by at least one smoke sensor 8 and temperature signals sent by a plurality of temperature sensors 9, the determining module 12 is configured to determine whether the smoke concentration is greater than a preset concentration threshold and whether a temperature detected by each temperature sensor is greater than a preset temperature threshold, when the smoke concentration detected by any one smoke sensor is greater than a preset concentration threshold value or the temperature detected by any one temperature sensor is greater than a preset temperature threshold value, generating a first fire extinguishing control signal, generating a second fire suppression control signal when the temperatures detected by the temperature sensors exceeding the first preset number are greater than a preset temperature threshold, and generating a falling control signal when the temperatures detected by the temperature sensors exceeding the second preset number are greater than a preset temperature threshold value.
In some embodiments, referring to fig. 6, the lifting device 4 includes a hydraulic support 41 and a support platform 42, the hydraulic support 41 is used for supporting the support platform 42, and the energy storage prefabricated cabin 2 is disposed on the support platform 42;
the hydraulic support 41 is provided with a hydraulic cylinder in a matching manner, and the descending control signal is used for controlling the hydraulic cylinder to reduce pressure so that the hydraulic support 41 descends.
In addition, after the thermal risk of the energy storage prefabricated cabin 2 completely disappears, the control device 1 can also generate a lifting control signal to control the hydraulic cylinder to be boosted so that the hydraulic support 41 is lifted, and the energy storage prefabricated cabin 2 is convenient to overhaul.
In some embodiments, referring to fig. 7, the system further comprises a control room 10, the control device 1 being disposed within the control room 10;
the control room 10 is also internally provided with a process control system 11, a battery management system 12, a power distribution system 13 and a standby power supply 14, wherein the process control system 11, the battery management system 12 and the power distribution system 13 are connected with the battery cluster 7 and the standby power supply 14;
the control device 1 is further configured to generate a main line disconnection control signal and a standby power supply control signal while generating a second fire extinguishing control signal, the main line disconnection control signal is used to control disconnection of the process control system 11, the battery management system 12, the power distribution system 13, and the battery cluster 7, and the standby power supply control signal is used to control the standby power supply 14 to supply power to the battery management system 12.
The control device generates the second fire extinguishing signal and generates a main line disconnection control signal to control the disconnection of the electrical connection of the process control system 11, the battery management system 12, the power distribution system 13 and the battery cluster 7, thereby preventing further occurrence of an electrical fire. The backup power supply 14 is an IP 67 waterproof class of backup power supply.
In some embodiments, the energy storage prefabricated cabin is a standard 40-foot prefabricated cabin with the size of 12.192 × 2.438 × 2.591 cubic meters, the total weight of the prefabricated cabin is about 25 tons, the system capacity is 1-2 MWh, and the size of a supporting platform of the lifting device is 14 × 3.5 cubic meters.
In some embodiments, the energy storage power station comprises a plurality of energy storage prefabricated cabins, the floor area of the liquid storage pool is slightly larger than the design area of the whole energy storage power station, and a water inlet and a water outlet are further arranged to adjust the capacity of the liquid storage pool and ensure that the liquid level can submerge in the energy storage prefabricated cabins. A plurality of lifting devices and a plurality of energy storage prefabricated cabins can be arranged above one liquid storage tank, the normal energy storage power station meets the requirements of fire prevention intervals and fire fighting channels, and the minimum interval between the energy storage prefabricated cabins is 3 m. The fire extinguishing system that this embodiment provided need not consider fire prevention interval and fire control passageway scheduling problem, and the interval design between the prefabricated cabin of energy storage has saved area for 2 m.
In conclusion, the energy storage power station fire-fighting system provided by the invention at least has the following beneficial effects:
(1) the energy storage power station is arranged on the liquid storage tank, and the energy storage prefabricated cabin can be sunk into fire extinguishing fluid under the condition of meeting the preset condition, so that the fire is prevented from further expanding, and the economic loss is reduced;
(2) different fire extinguishing measures are adopted according to the danger level of the fire, so that the economic loss is reduced to the maximum extent;
(3) the second fire extinguishing device can directly take fire extinguishing fluid from the liquid storage tank for fire extinguishing, has short path, large water pressure and strong cooling effect, and fully exerts the advantages of adjacent water;
(4) when the fire disaster reaches a certain degree, the electric connection of the process control system, the battery management system, the power distribution system and the battery cluster is cut off, and the further occurrence of the electrical fire disaster is prevented
(5) When the fire hazard is high, the energy storage prefabricated cabin can be rapidly sunk into fire extinguishing fluid to prevent the fire extinguishing fluid from spreading to other energy storage prefabricated cabins or other equipment, so that the space between the energy storage prefabricated cabins or the space between the energy storage prefabricated cabins and other equipment can be reduced, and the occupied area of the whole energy storage power station is saved.
In some embodiments, referring to fig. 8, there is further provided a control method of an energy storage power station fire protection system, applied to the energy storage power station fire protection system, including:
step S201, the control device receives and analyzes the detection signal sent by the detection device;
step S202, different control signals are generated according to the analysis result, the control signals comprise a first fire extinguishing control signal, a second fire extinguishing control signal and a descending control signal, the first fire extinguishing control signal is used for controlling the opening of a first fire extinguishing device, the second fire extinguishing control signal is used for controlling the opening of a second fire extinguishing device, and the descending control signal is used for controlling the descending of the lifting device so that the energy storage prefabricated cabin is immersed into fire extinguishing fluid in the liquid storage tank.
In some embodiments, the detection device comprises at least one smoke sensor and a plurality of temperature sensors, the at least one smoke sensor is used for collecting smoke concentration signals in the energy storage prefabricated cabin and sending the smoke concentration signals to the control device, and the plurality of temperature sensors are used for collecting temperature signals of all areas in the energy storage prefabricated cabin and sending the temperature signals to the control device;
the method further comprises the following steps:
when the smoke concentration detected by any one smoke sensor is greater than a preset concentration threshold value or the temperature detected by any one temperature sensor is greater than a preset temperature threshold value, the control device generates a first fire extinguishing control signal;
when the temperatures detected by the temperature sensors exceeding the first preset number are greater than a preset temperature threshold value, the control device generates a second fire extinguishing control signal;
the control means generates a fall control signal when the temperatures detected by the temperature sensors exceeding a second preset number are greater than a preset temperature threshold.
In some embodiments, the control system further comprises a control room, the control device being disposed within the control room;
the control room is also internally provided with a process control system, a battery management system, a power distribution system and a standby power supply, and the process control system, the battery management system and the power distribution system are connected with the battery cluster and the standby power supply;
the method further comprises the following steps:
the control device generates a main line disconnection control signal and a standby power supply control signal while generating a second fire extinguishing control signal, the main line disconnection control signal is used for controlling disconnection of the process control system, the battery management system and the power distribution system, the standby power supply control signal is used for controlling the standby power supply to supply power to the process control system, the battery management system and the power distribution system.
In some embodiments, the first predetermined number is 20% of the total number of temperature sensors, and the second predetermined number is 60% of the total number of temperature sensors.
In the control method of the energy storage power station fire protection system provided in this embodiment, the execution main body is the control device in the energy storage power station fire protection system, and for the specific principle, reference is made to the description of the energy storage power station fire protection system, which is not repeated herein.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A fire-fighting system of an energy storage power station is characterized by comprising a control device, an energy storage prefabricated cabin, a liquid storage tank, a lifting device, a first fire-extinguishing device and a second fire-extinguishing device; the lifting device is arranged in the liquid storage pool, the energy storage prefabricated cabin is arranged on the lifting device, and the energy storage prefabricated cabin is higher than the liquid level of fire extinguishing fluid in the liquid storage pool in a normal state;
a detection device and at least one battery cluster are distributed in the energy storage prefabricated cabin, and the control device, the first fire extinguishing device and the second fire extinguishing device are arranged in the energy storage prefabricated cabin;
the control device is used for receiving and analyzing detection signals sent by the detection device, generating different control signals according to analysis results, wherein the control signals comprise a first fire extinguishing control signal, a second fire extinguishing control signal and a descending control signal, the first fire extinguishing control signal is used for controlling the first fire extinguishing device to be started, the second fire extinguishing control signal is used for controlling the second fire extinguishing device to be started, and the descending control signal is used for controlling the lifting device to descend so that the energy storage prefabricated cabin is immersed into fire extinguishing fluid in the liquid storage tank;
the second fire extinguishing device comprises a pump body, a pipeline, an electromagnetic valve and a plurality of spray heads, the pump body is connected with the spray heads through the pipeline, the electromagnetic valve is arranged on the pipeline, and the spray heads are distributed in the energy storage prefabricated cabin;
the pump body is used for taking fire extinguishing fluid from the liquid storage tank and conveying the fire extinguishing fluid to the plurality of spray heads through the pipeline, the electromagnetic valve is arranged on the pipeline, and the second fire extinguishing control signal is used for controlling the electromagnetic valve to be opened;
the lifting device comprises a hydraulic support and a supporting platform, a hydraulic cylinder is arranged on the hydraulic support in a matched mode, the control device is further used for generating a lifting control signal and controlling the hydraulic cylinder to boost pressure so that the hydraulic support can lift.
2. The energy storage power station fire fighting system according to claim 1, wherein the detection device comprises at least one smoke sensor and a plurality of temperature sensors, the at least one smoke sensor is used for collecting smoke concentration signals in the energy storage prefabricated cabin and sending the smoke concentration signals to the control device, and the plurality of temperature sensors are used for collecting temperature signals of all areas in the energy storage prefabricated cabin and sending the temperature signals to the control device;
the control device is also used for generating a first fire extinguishing control signal when the smoke concentration detected by any smoke sensor is greater than a preset concentration threshold value or the temperature detected by any temperature sensor is greater than a preset temperature threshold value; generating a second fire extinguishing control signal when the temperatures detected by the temperature sensors exceeding the first preset number are greater than a preset temperature threshold value; and generating a falling control signal when the temperatures detected by the temperature sensors exceeding the second preset number are greater than a preset temperature threshold value.
3. The energy storage power station fire protection system of claim 2, further comprising a control room, the control device being disposed within the control room;
the control room is also internally provided with a process control system, a battery management system, a power distribution system and a standby power supply, and the process control system, the battery management system and the power distribution system are connected with the battery cluster and the standby power supply;
the control device is also used for generating a second fire extinguishing control signal and simultaneously generating a main line disconnection control signal and a standby power supply control signal, wherein the main line disconnection control signal is used for controlling disconnection of the process control system, the battery management system and the power distribution system, the power supply of the standby power supply is controlled by the standby power supply, and the standby power supply supplies power to the battery management system.
4. The energy storage power plant fire protection system of any one of claims 1 to 3, wherein the first fire extinguishing device is a gas fire extinguishing device, and the gas fire extinguishing agent is perfluorohexanone or heptafluoropropane.
5. The energy storage power station fire fighting system according to any one of claims 1 to 3, wherein the hydraulic support is configured to support the support platform, and the energy storage prefabricated cabin is disposed on the support platform; the descending control signal is used for controlling the hydraulic cylinder to reduce pressure so that the hydraulic support descends.
6. A control method of an energy storage power station fire fighting system, characterized by being applied to the energy storage power station fire fighting system according to any one of claims 1 to 5, comprising:
the control device receives and analyzes the detection signal sent by the detection device;
generating different control signals according to the analysis result, wherein the control signals comprise a first fire extinguishing control signal, a second fire extinguishing control signal and a descending control signal, the first fire extinguishing control signal is used for controlling the opening of a first fire extinguishing device, the second fire extinguishing control signal is used for controlling the opening of a second fire extinguishing device, and the descending control signal is used for controlling the descending of the lifting device so that the energy storage prefabricated cabin is immersed into the fire extinguishing fluid in the liquid storage tank;
the control device generates a rising control signal and controls the hydraulic cylinder to rise so that the hydraulic support rises.
7. The control method of the energy storage power station fire fighting system according to claim 6, wherein the detection device comprises at least one smoke sensor and a plurality of temperature sensors, the at least one smoke sensor is used for collecting smoke concentration signals in the energy storage prefabricated cabin and sending the smoke concentration signals to the control device, and the plurality of temperature sensors are used for collecting temperature signals of all areas in the energy storage prefabricated cabin and sending the temperature signals to the control device;
the method further comprises the following steps:
when the smoke concentration detected by any one smoke sensor is greater than a preset concentration threshold value or the temperature detected by any one temperature sensor is greater than a preset temperature threshold value, the control device generates a first fire extinguishing control signal;
when the temperatures detected by the temperature sensors exceeding the first preset number are greater than a preset temperature threshold value, the control device generates a second fire extinguishing control signal;
the control means generates a fall control signal when the temperatures detected by the temperature sensors exceeding a second preset number are greater than a preset temperature threshold.
8. The method of controlling an energy storage power station fire protection system of claim 7, wherein the system further comprises a control room, the control device being disposed within the control room;
the control room is also internally provided with a process control system, a battery management system, a power distribution system and a standby power supply, and the process control system, the battery management system and the power distribution system are connected with the battery cluster and the standby power supply;
the method further comprises the following steps:
the control device generates a second fire extinguishing control signal and generates a main line disconnection control signal and a standby power supply control signal at the same time, the main line disconnection control signal is used for controlling disconnection of the process control system, the battery management system and the power distribution system, the power supply of the standby power supply control signal is used for controlling the standby power supply to supply power to the battery management system.
9. The method of claim 7, wherein the first predetermined number is 20% and the second predetermined number is 60% of the total number of temperature sensors.
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| CN201195017Y (en) * | 2008-03-13 | 2009-02-18 | 广东省电力设计研究院 | Water fire extinguishing system of transforming plant with integrated structure |
| CN206566390U (en) * | 2016-11-08 | 2017-10-20 | 中国能源建设集团云南省电力设计院有限公司 | A kind of novel transformer explosive fire accident water spray notes nitrogen fire extinguishing system |
| CN107185133A (en) * | 2017-07-20 | 2017-09-22 | 烟台创为新能源科技有限公司 | A kind of energy-accumulating power station early warning and fire-fighting system |
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