CN111450450A - Fire-fighting early warning method and system for energy storage power station - Google Patents
Fire-fighting early warning method and system for energy storage power station Download PDFInfo
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- CN111450450A CN111450450A CN202010349174.4A CN202010349174A CN111450450A CN 111450450 A CN111450450 A CN 111450450A CN 202010349174 A CN202010349174 A CN 202010349174A CN 111450450 A CN111450450 A CN 111450450A
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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
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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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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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/009—Methods or equipment not provided for in groups A62C99/0009 - A62C99/0081
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
Abstract
The embodiment of the invention provides a fire-fighting early warning method and system for an energy storage power station. According to the energy storage power station fire-fighting early warning method and system, corresponding fire-fighting actions can be carried out through the evaluated fire risk level, so that accurate fire-fighting operation is realized, and the safety performance of the energy storage power station can be effectively improved.
Description
Technical Field
The invention relates to the field of fire fighting, in particular to a fire fighting early warning method and system for an energy storage power station.
Background
The new energy industry develops rapidly in the global scope, the power supply with intermittence and volatility accounts for a larger proportion and is gradually improved in the power system, so that the demands of services such as peak shaving, frequency modulation and the like in the power system are rapidly increased, and the battery energy storage power station is used as a flexibility adjusting resource to participate in the power market more and more. The scale of construction and operation of energy storage power stations in power systems is rapidly increasing. Under the background of rapid development of the industry, serious safety accidents such as fire, explosion and the like occur in few energy storage power stations, so that great property loss is caused, and even casualties are caused. The existing battery energy storage power station cannot accurately judge the fire hazard and has lower safety.
Disclosure of Invention
The object of the present invention includes, for example, providing a fire-fighting early warning method for an energy storage power station, which can effectively improve the above-mentioned technical problems.
The object of the present invention consists, for example, in providing an energy storage power station fire warning system which is effective in ameliorating the above mentioned technical problems.
Embodiments of the invention may be implemented as follows:
in a first aspect, an embodiment of the present invention provides a fire-fighting early-warning method for an energy storage power station, including:
acquiring an induction signal representing the performance of a battery in an energy storage power station;
and determining a risk level according to the sensing signal, and outputting an execution signal corresponding to the risk level or not outputting a signal.
In an alternative embodiment, the sensing signal comprises a plurality of first sub-sensing signals;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
if the temperatures of the battery bodies represented by the first sub-sensing signals in the first preset number meet preset conditions, determining corresponding risk levels, and outputting execution signals corresponding to the risk levels.
In an optional embodiment, if the temperatures of the battery bodies represented by the first sub sensing signals of the first preset number satisfy a preset condition, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level includes:
if the temperature of the battery body represented by the first sub-sensing signals with the number of a is greater than or equal to 180 ℃, determining that the corresponding risk grade is a first grade, and outputting a first execution signal corresponding to the first grade, wherein a is greater than 10.
In an optional embodiment, if the temperatures of the battery bodies represented by the first sub sensing signals of the first preset number satisfy a preset condition, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level includes:
and if the temperature of the battery body represented by the first sub-sensing signals with the number of b is greater than or equal to 180 ℃, determining that the corresponding risk level is a second level, and outputting a second execution signal corresponding to the second level, wherein b is greater than or equal to 1 and less than or equal to 10.
In an alternative embodiment, the sensing signal comprises a plurality of second sub-sensing signals;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the second sub-sensing signals with the second preset number represent the generation of smoke, determining a corresponding risk level, and outputting an execution signal corresponding to the risk level.
In an optional embodiment, if a second preset number of the second sub-sensing signals are indicative of smoke generation, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level includes:
if the number of the second sub-sensing signals is c, the corresponding risk level is determined to be a first level, and a first execution signal corresponding to the first level is output, wherein c is greater than 10.
In an optional embodiment, if a second preset number of the second sub-sensing signals are indicative of smoke generation, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level includes:
and if the number of the second sub-sensing signals is d, determining that the corresponding risk level is a second level, and outputting a second execution signal corresponding to the second level, wherein d is more than or equal to 1 and less than or equal to 10.
In an alternative embodiment, the sensing signal includes a third sub sensing signal and a fourth sub sensing signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e and the fourth sub-sensing signal represents that the battery body has electrolyte leakage, determining that the corresponding risk level is a third level and outputting a third execution signal corresponding to the third level, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
In an alternative embodiment, the sensing signal includes a third sub sensing signal and a fifth sub sensing signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e and the fifth sub-sensing signal represents that combustible gas exists in the battery module, determining that the corresponding risk level is a third level and outputting a third execution signal corresponding to the third level, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
In an alternative embodiment, the sensing signal includes a third sub sensing signal and a sixth sub sensing signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e, and the internal auxiliary value of the battery body represented by the sixth sub-sensing signal is f, determining that the corresponding risk grade is a third grade, and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃, and f is less than 10M omega.
In an alternative embodiment, the sensing signal includes a third sub sensing signal and a seventh sub sensing signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e, and the actual current value of the battery body represented by the seventh sub-sensing signal is greater than the preset current value, determining that the corresponding risk grade is a third grade, and outputting a third execution signal corresponding to the third grade, wherein e is greater than or equal to 120 ℃ and less than 180 ℃.
In an alternative embodiment, the sensing signal includes an eighth sub-sensing signal and a ninth sub-sensing signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body of the eighth sub-sensing signal characterization battery body is g and the actual current value of the ninth sub-sensing signal characterization battery body is within a preset range, determining that the corresponding risk grade is a fourth grade, and not outputting a signal, wherein g is less than 80 ℃.
In a second aspect, an embodiment of the present invention provides an energy storage power station fire-fighting early-warning system, including a controller;
the controller is used for acquiring an induction signal representing the performance of a battery in the energy storage power station;
and the controller is used for determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal.
In an optional embodiment, the fire-fighting early warning system of the energy storage power station further comprises a plurality of temperature sensors, and the plurality of temperature sensors are used for respectively detecting the temperatures of different battery bodies;
if the temperature sensors in the first preset number all output first sub-sensing signals representing that the temperature of the battery body meets the preset conditions, the controller is used for determining corresponding risk levels and outputting execution signals corresponding to the risk levels.
In an alternative embodiment, if a number a of the temperature sensors each output the first sub-sensing signal indicating that the temperature of the battery body is greater than or equal to 180 ℃, the controller is configured to determine that the corresponding risk level is a first level, and output a first execution signal corresponding to the first level, where a > 10.
In an optional embodiment, if b temperature sensors each output the first sub sensing signal indicating that the temperature of the battery body is greater than or equal to 180 ℃, the controller is configured to determine that the corresponding risk level is a second level, and output a second execution signal corresponding to the second level, where b is greater than or equal to 1 and less than or equal to 10.
In an optional embodiment, the energy storage power station fire-fighting early warning system comprises a plurality of smoke sensors, wherein the smoke sensors are respectively arranged in different battery clusters;
and if the smoke sensors with the second preset number all output second sub-induction signals representing smoke in the battery cluster, the controller is used for determining corresponding risk levels and outputting execution signals corresponding to the risk levels.
In an alternative embodiment, if a number c of the smoke sensors each output a second sub-sensing signal indicative of smoke occurring within the battery cluster, the controller is configured to determine that the corresponding risk level is a first level and output a first execution signal corresponding to the first level, where c > 10.
In an optional embodiment, if the d smoke sensors each output a second sub-sensing signal indicative of smoke occurring in the battery cluster, the controller is configured to determine that the corresponding risk level is a second level, and output a second execution signal corresponding to the second level, where d is greater than or equal to 1 and less than or equal to 10.
In optional embodiment, energy storage power plant fire control early warning system includes heptafluoropropane gaseous extinguishing device and water mist extinguishing device, heptafluoropropane gaseous extinguishing device with water mist extinguishing device all with the controller communication, heptafluoropropane gaseous extinguishing device with water mist extinguishing device is used for receiving first execution signal to start the operation of putting out a fire, wherein, water mist extinguishing device is used for opening whole shower nozzles and puts out a fire the operation.
In optional embodiment, energy storage power plant fire control early warning system includes heptafluoropropane gaseous extinguishing device and water mist extinguishing device, heptafluoropropane gaseous extinguishing device with water mist extinguishing device all with the controller communication, heptafluoropropane gaseous extinguishing device with water mist extinguishing device is used for receiving second execution signal to the start fire extinguishing operation, wherein, water mist extinguishing device is used for opening the shower nozzle that is located the fault department and puts out a fire the operation.
In an optional embodiment, the energy storage power station fire-fighting early warning system comprises a temperature sensor and a battery pressure release valve sensor;
if the temperature sensor outputs a third sub sensing signal representing the temperature of the battery body as e, the battery pressure release valve sensor outputs a fourth sub sensing signal representing the occurrence of electrolyte leakage of the battery body, and the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
In an optional embodiment, the energy storage power station fire early warning system comprises a temperature sensor and a combustible gas sensor;
if the temperature sensor outputs a third sub-sensing signal representing that the temperature of the battery body is e, the combustible gas sensor outputs a fifth sub-sensing signal representing that combustible gas exists in the battery module, the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
In an optional embodiment, the energy storage power station fire-fighting early warning system comprises a temperature sensor and an internal resistance detection sensor;
if the temperature sensor outputs a third sub-sensing signal representing that the temperature of the battery body is e, the internal resistance detection sensor outputs a sixth sub-sensing signal representing that the internal resistance value of the battery body is f, the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃, and f is less than 10M omega.
In an optional embodiment, the energy storage power station fire early warning system comprises a temperature sensor and a current sensor;
if the temperature sensor outputs a third sub-sensing signal representing that the temperature of the battery body is e, the current sensor outputs a seventh sub-sensing signal representing that the actual current value is greater than the preset current value, the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is greater than or equal to 120 ℃ and less than 180 ℃.
In an optional embodiment, the energy storage power station fire early warning system comprises a temperature sensor and a current sensor;
if the temperature sensor outputs the eighth sub-sensing signal representing that the temperature value is g, the current sensor outputs a ninth sub-sensing signal representing that the actual current value is within a preset range, and the controller is used for determining that the corresponding risk grade is a fourth grade and does not output signals, wherein g is less than 80 ℃.
The beneficial effects of the embodiment of the invention include, for example:
the embodiment of the invention provides a fire-fighting early warning method for an energy storage power station, which is used for determining a risk level according to an induction signal and outputting an execution signal corresponding to the risk level or not outputting the signal.
The embodiment of the invention also provides a fire-fighting early warning system for the energy storage power station, wherein the controller is used for determining the risk level according to the induction signal and outputting an execution signal corresponding to the risk level or not outputting the signal. Like this, this energy storage power station fire control early warning system can carry out corresponding fire control action through the conflagration risk level of aassessment to realize accurate ground fire control operation, can improve the security performance of energy storage power station effectively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a fire-fighting early-warning system of an energy storage power station according to an embodiment of the present invention;
fig. 2 is a flow chart of a fire-fighting early-warning method for an energy storage power station according to an embodiment of the present invention;
fig. 3 is a flow chart of the energy storage power station fire-fighting early warning method according to the embodiment of the present invention when determining that the risk level is the first level;
fig. 4 is a flowchart of the energy storage power station fire-fighting early warning method according to the embodiment of the present invention when determining that the risk level is the second level;
fig. 5 is a flow chart of the energy storage power station fire-fighting early warning method according to the embodiment of the present invention when determining that the risk level is the third level;
fig. 6 is a flow chart of the energy storage power station fire-fighting early warning method provided by the embodiment of the invention when the risk level is judged to be the fourth level.
Icon: 1-fire-fighting early warning system of energy storage power station; 11-a controller; 12-a temperature sensor; 13-a smoke sensor; 14-battery relief valve sensor; 15-a combustible gas sensor; 16-internal resistance detection sensor; 17-a current sensor; 18-heptafluoropropane gas fire extinguishing means; 19-water mist fire extinguishing device; 20-a battery compartment; 21-air conditioning.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1, the embodiment provides an energy storage power station fire early warning system 1, where the energy storage power station fire early warning system 1 includes a controller 11, the controller 11 is configured to obtain an induction signal representing performance of a battery in the energy storage power station, and the controller 11 is configured to determine a risk level according to the induction signal, and output an execution signal corresponding to the risk level, or output no signal.
Like this, this energy storage power station fire control early warning system 1 can carry out corresponding fire control action through the conflagration risk level of aassessment to realize accurate ground fire control operation, can improve the security performance of energy storage power station effectively.
It should be noted that, the energy storage power station fire-fighting early warning system 1 includes the battery cabin 20, and the battery cabin 20 includes a plurality of battery clusters, and every battery cluster all includes the battery module, and every battery module all includes a plurality of battery bodies. Therefore, in the present embodiment, the battery performance described above includes battery performance, battery mode performance, battery cluster performance, and the like.
The embodiment obtains the performance of the battery body or the performance of the battery module or the performance of the battery pack through different sensors, thereby outputting different sensing signals. Specifically, in this embodiment, the sensing signal includes a first sub sensing signal, a second sub sensing signal, a third sub sensing signal, a fourth sub sensing signal, a fifth sub sensing signal, a sixth sub sensing signal, a seventh sub sensing signal, an eighth sub sensing signal, and a ninth sub sensing signal. The controller 11 acquires different sub-sensing signals to determine different levels, and the specific determination method thereof will be described in detail later.
In the present embodiment, the risk levels are divided into a first level, a second level, a third level and a fourth level, and correspondingly, the execution signals are divided into a first execution signal corresponding to the first level, a second execution signal corresponding to the second level and a third execution signal corresponding to the third level. In addition, when the risk level is the fourth level, the controller 11 does not output a signal.
Of course, in other embodiments, the sensing signal may include more sub-sensing signals, or the number of the existing sensing signals may be reduced. The controller 11 may also classify the risk level into more or less levels. The controller 11 may also output an execution signal corresponding to the risk level, depending on the actual situation.
The respective different risk levels and the associated content of the different implementation signals are described in detail below.
Taking fig. 1 as an example, in this embodiment, the energy storage power station fire-fighting early warning system 1 further includes a plurality of temperature sensors 12, the plurality of temperature sensors 12 are used for respectively detecting the temperatures of different battery bodies, and the plurality of temperature sensors 12 are all in communication with the controller 11.
If the temperature sensors 12 in the first preset number all output the first sub-sensing signals indicating that the temperature of the battery body meets the preset condition, the controller 11 is configured to determine a corresponding risk level and output an execution signal corresponding to the risk level.
It should be noted that, in the present embodiment, the risk level determined by the controller 11 according to the difference of the first preset number is also different. Correspondingly, the risk level determined by the controller 11 according to the preset condition may be different.
For example: in this embodiment, if the first preset number is a, a is greater than 10, and the a temperature sensors 12 all output first sub-sensing signals indicating that the temperature of the battery body is greater than or equal to 180 ℃, at this time, after the controller 11 acquires the first sub-sensing signals, it determines that the corresponding risk level is the first level, and outputs a first execution signal corresponding to the first level.
If the first preset number is b, b is greater than or equal to 1 and less than or equal to 10, and the b temperature sensors 12 all output first sub-sensing signals representing that the temperature of the battery body is greater than or equal to 180 ℃, at this time, after the controller 11 acquires the first sub-sensing signals, the corresponding risk level is determined to be the second level, and a second execution signal corresponding to the second level is output.
Referring to fig. 1, in the present embodiment, the energy storage power station fire-fighting early warning system 1 includes a plurality of smoke sensors 13, and the smoke sensors 13 are respectively disposed in different battery clusters.
If the smoke sensors 13 in the second preset number all output second sub-sensing signals representing the occurrence of smoke in the battery cluster, the controller 11 is configured to determine a corresponding risk level and output an execution signal corresponding to the risk level.
Similarly, in this embodiment, the risk level determined by the controller 11 according to the difference of the second preset number is also different. Correspondingly, the risk level determined by the controller 11 according to the preset condition may be different.
For example: in this embodiment, if the second preset number is c, c is greater than 10, and the c smoke sensors 13 all output second sub-sensing signals representing occurrence of smoke in the battery cluster, at this time, after the controller 11 acquires the second sub-sensing signals, it determines that the corresponding risk level is the first level, and outputs a first execution signal corresponding to the first level.
If the second preset number is d, b is greater than or equal to 1 and less than or equal to 10, and the d smoke sensors 13 all output second sub-sensing signals representing smoke in the battery cluster, at this time, after the controller 11 acquires the second sub-sensing signals, the corresponding risk level is determined to be the second level, and a second execution signal corresponding to the second level is output.
Referring to fig. 1, the energy storage power station fire-fighting early warning system 1 further includes a battery pressure relief valve sensor 14, the battery pressure relief valve sensor 14 is configured to be disposed on the battery body, and the battery pressure relief valve sensor 14 is in communication with the controller 11.
If the temperature sensor 12 outputs a third sub-sensing signal representing that the temperature of the battery body is e, the battery pressure relief valve sensor 14 outputs a fourth sub-sensing signal representing that the electrolyte leakage occurs in the battery body. After receiving the third sub-sensing signal and the fourth sub-sensing signal, the controller 11 determines that the corresponding risk level is a third level, and outputs a third execution signal corresponding to the third level, wherein e is greater than or equal to 120 ℃ and less than 180 ℃.
Referring to fig. 1, the energy storage power station fire-fighting early warning system 1 further includes a combustible gas sensor 15, the combustible gas sensor 15 is disposed in the battery module, and the combustible gas sensor 15 is in communication with the controller 11. If the temperature sensor 12 outputs a third sub-sensing signal representing that the temperature of the battery body is e, the combustible gas sensor 15 outputs a fifth sub-sensing signal representing that combustible gas exists in the battery module, and after the controller 11 receives the third sub-sensing signal and the fifth sub-sensing signal, the corresponding risk level is determined to be a third level, and a third execution signal corresponding to the third level is output.
Referring to fig. 1, the energy storage power station fire-fighting early warning system 1 further includes an internal resistance detection sensor 16, the internal resistance detection sensor 16 is used for detecting an internal resistance value of the battery, and the internal resistance detection sensor 16 is in communication with the controller 11. If the temperature sensor 12 outputs a third sub-sensing signal representing that the temperature of the battery body is e, the internal resistance detection sensor 16 outputs a sixth sub-sensing signal representing that the internal resistance value of the battery body is f, and after the controller 11 receives the third sub-sensing signal and the sixth sub-sensing signal, the corresponding risk level is determined to be a third level, and a third execution signal corresponding to the third level is output, wherein f is less than 10M Ω.
Referring to fig. 1, the fire-fighting early warning system 1 of the energy storage power station includes a current sensor 17, the current sensor 17 is used for detecting a current value in a battery cluster, and the current sensor 17 is in communication with the controller 11. If the temperature sensor 12 outputs a third sub-sensing signal representing that the temperature of the battery body is e, the current sensor 17 outputs a seventh sub-sensing signal representing that the actual current value is greater than the preset current value, and the controller 11 determines that the corresponding risk level is a third level after receiving the third sub-sensing signal and the seventh sub-sensing signal, and outputs a third execution signal corresponding to the third level.
It should be noted that the preset current value is influenced by the types, the number, the series-parallel connection and other condition factors of the batteries in the battery cluster, so that when the preset current value is set by a worker, the preset current value can be set according to the actual condition.
In addition, in this embodiment, if the temperature sensor 12 outputs an eighth sub-sensing signal representing that the temperature value is g, the current sensor 17 outputs a ninth sub-sensing signal representing that the actual current value is within the preset range, and the controller 11 determines that the corresponding risk level is the fourth level and does not output a signal when receiving the eighth sub-sensing signal and the ninth sensing signal, where g is less than 80 ℃.
It should be noted that the maximum value in the preset range is the preset current value, and the minimum value in the preset range may also be set according to factors such as the type and the number of the batteries.
It can be understood that, in this embodiment, the energy storage power station fire-fighting early warning system 1 determines the risk level of the energy storage power station by detecting the temperature of the battery body, whether smoke is generated in the battery cluster, whether electrolyte leakage occurs in the battery body, whether combustible gas occurs in the battery module, the internal resistance value of the battery body, the current value in the battery cluster, and other information, and performs corresponding fire-fighting measures, and the following detailed description is performed on the related execution contents of different execution signals.
Referring to fig. 1, the energy storage power station fire-fighting early warning system 1 further includes an air conditioner 21, a heptafluoropropane gas fire extinguishing device 18 and a water mist fire extinguishing device 19, and both the heptafluoropropane gas fire extinguishing device 18 and the water mist fire extinguishing device 19 are in communication with the controller 11.
At the first level, the controller 11 controls the air conditioner 21 to stop working, the battery compartment 20 is shut down, and the heptafluoropropane gas fire extinguishing device 18 and the water mist fire extinguishing device 19 start fire extinguishing after receiving the first execution signal. At this time, the water mist fire extinguishing apparatus 19 opens all the heads to perform fire extinguishing work, so as to improve the fire extinguishing efficiency. In addition, after the heptafluoropropane gas fire extinguishing device 18 and the water mist fire extinguishing device 19 are started, the sensors such as the temperature sensor 12, the combustible gas sensor 15 and the smoke sensor 13 are always in working states. When the controller 11 receives a signal indicating that the temperature of the equipment in the battery compartment 20 is lower than 50 ℃ and the state is maintained for more than 2 hours, indicating that the fire hazard has been cleared, the controller 11 controls the heptafluoropropane gas fire extinguishing apparatus 18 and the water mist fire extinguishing apparatus 19 to stop operating. The temperature sensor 12 continuously detects the temperature of the battery compartment 20 for 1 hour, if the temperature of the equipment in the battery compartment 20 rises again within the 1 hour and exceeds 50 ℃, the controller 11 controls the water mist fire extinguishing device 19 to start again, and the controller 11 controls the water mist fire extinguishing device 19 to stop working until the temperature of the equipment in the battery compartment 20 is less than 50 ℃.
At the second level, the controller 11 controls the air conditioner 21 of the controller 11 to stop working, the battery compartment 20 stops working, and the heptafluoropropane gas fire extinguishing device 18 and the water mist fire extinguishing device 19 start fire extinguishing after receiving a second execution signal. At this time, the water mist fire extinguishing apparatus 19 is used to open the head at the failure point for fire extinguishing work. In addition, after the heptafluoropropane gas fire extinguishing device 18 and the water mist fire extinguishing device 19 are started, the sensors such as the temperature sensor 12, the combustible gas sensor 15 and the smoke sensor 13 are always in working states. When the controller 11 receives a signal indicating that the temperature of the equipment in the battery compartment 20 is lower than 50 ℃ and the state is maintained for more than 2 hours, indicating that the fire hazard has been cleared, the controller 11 controls the heptafluoropropane gas fire extinguishing apparatus 18 and the water mist fire extinguishing apparatus 19 to stop operating. The temperature sensor 12 continuously detects the temperature of the battery compartment 20 for 1 hour, if the temperature of the equipment in the battery compartment 20 rises again within the 1 hour and exceeds 50 ℃, the controller 11 controls the water mist fire extinguishing device 19 to start again, and the controller 11 controls the water mist fire extinguishing device 19 to stop working until the temperature of the equipment in the battery compartment 20 is less than 50 ℃.
At the third level, the controller 11 controls the battery compartment 20 of the controller 11 to stop, the operating power of the air conditioner 21 is increased to reduce the temperature of the equipment in the battery compartment 20, and the temperature sensor 12, the combustible gas sensor 15, the smoke sensor 13 and other sensors are in working states all the time. When the controller 11 receives a signal indicating that the temperature of the equipment in the battery compartment 20 is lower than 50 ℃ and the state is maintained for more than 1 hour, the controller 11 controls the air conditioner 21 to reduce the operation power to a normal value, and then the temperature sensor 12 continuously detects the temperature of the battery compartment 20 for 1 hour. If the temperature of the equipment in the battery compartment 20 rises back within the 1 hour and exceeds 50 ℃, the controller 11 controls the air conditioner 21 to provide the running power again for cooling operation until the temperature of the equipment in the battery compartment 20 is lower than 50 ℃, and then the controller 11 controls the air conditioner 21 to reduce the running power to a normal value.
At the fourth level, the controller 11 does not output the execution signal, and the respective components operate normally.
Referring to fig. 2, the present embodiment further provides a fire-fighting early warning method for an energy storage power station, including:
s300: and acquiring an induction signal representing the performance of the battery in the energy storage power station.
S301: and determining the risk level according to the sensing signal, and outputting an execution signal corresponding to the risk level or not outputting the signal.
Therefore, the fire early warning method for the energy storage power station can perform corresponding fire fighting actions through the evaluated fire risk level, so that accurate fire fighting operation is realized, and the safety performance of the energy storage power station can be effectively improved.
In this embodiment, the sensing signal includes a plurality of first sub sensing signals, and the plurality of first sub sensing signals can be output by a plurality of different temperature sensors 12 according to the above description, and step S301 includes:
s302: if the temperature of the battery body represented by the first sub-sensing signals of the first preset number meets a preset condition, determining a corresponding risk level, and outputting an execution signal corresponding to the risk level.
The first preset number and the preset condition have been described above, and are not described herein again. It is understood that the risk level determined in step S302 and the output execution signal are different according to the first preset number and the preset condition.
Specifically, referring to fig. 2-4, step S302 includes:
s303: if the temperature of the battery body represented by the first sub-sensing signals with the number of a is larger than or equal to 180 ℃, wherein a is larger than 10;
s304: the corresponding risk level is determined to be a first level, and a first execution signal corresponding to the first level is output.
In addition, step 302 further comprises:
s305: if the temperature of the battery body represented by the first sub-sensing signals with the number of b is greater than or equal to 180 ℃, wherein b is greater than or equal to 1 and less than or equal to 10;
s306: and determining the corresponding risk level as a second level, and outputting a second execution signal corresponding to the second level.
In this embodiment, the sensing signal further comprises a plurality of second sub-sensing signals, which may be output by a plurality of different smoke sensors 13, according to the above description.
Correspondingly, referring to fig. 2 to 4, step S301 further includes:
s307: and if the second sub-sensing signals with the second preset number represent the generation of smoke, determining a corresponding risk level, and outputting an execution signal corresponding to the risk level.
It is understood that the risk level determined in step S307 and the output execution signal are different according to the difference of the second preset number.
Specifically, step S307 includes:
s308: if the number of the second sub-induction signals is c, the second sub-induction signals represent the generation of smoke, wherein c is more than 10;
s304: and determining the corresponding risk level as a first level, and outputting a first execution signal corresponding to the first level.
In addition, step S307 further includes:
s310: if the number of the second sub-induction signals is d, representing the generation of smoke, wherein d is more than or equal to 1 and less than or equal to 10;
s306: and determining the corresponding risk level as a second level, and outputting a second execution signal corresponding to the second level.
Step S303 and step S308 may occur simultaneously or individually, and step S305 and step S310 may occur simultaneously or individually.
Referring to fig. 2 and 5, the sensing signal includes a third sub sensing signal and a fourth sub sensing signal, and step S301 further includes:
s311: the temperature of the battery body represented by the third sub-sensing signal is e, the battery body represented by the fourth sub-sensing signal is electrolyte leakage, wherein the temperature of the battery body is more than or equal to 120 ℃ and less than 180 ℃.
S312: and determining the corresponding risk level as a third level, and outputting a third execution signal corresponding to the third level.
In this embodiment, the sensing signal further includes a fifth sub-sensing signal, and step S301 further includes:
s313: if the temperature of the battery body represented by the third sub-sensing signal is e, the fifth sub-sensing signal represents that combustible gas exists in the battery module, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
S312: and determining the corresponding risk level as a third level, and outputting a third execution signal corresponding to the third level.
In this embodiment, the sensing signal further includes a sixth sub-sensing signal, and step S301 further includes:
s314: if the temperature of the battery body represented by the third sub-sensing signal is e, the internal auxiliary value of the battery body represented by the sixth sub-sensing signal is f, wherein e is more than or equal to 120 ℃ and less than 180 ℃, and f is less than 10M omega.
S312: and determining the corresponding risk level as a third level, and outputting a third execution signal corresponding to the third level.
In this embodiment, the sensing signal further includes a seventh sub-sensing signal, and step S301 further includes:
s315: if the temperature of the battery body represented by the third sub-sensing signal is e, the actual current value of the battery body represented by the seventh sub-sensing signal is greater than the preset current value, wherein e is greater than or equal to 120 ℃ and less than 180 ℃.
S312: and determining the corresponding risk level as a third level, and outputting a third execution signal corresponding to the third level.
Referring to fig. 2 and 6, the sensing signal further includes an eighth sub-sensing signal and a ninth sub-sensing signal, and step S301 further includes:
s316: and if the temperature of the battery body of the eighth sub-sensing signal representation battery body is g, the actual current value of the ninth sub-sensing signal representation battery body is within a preset range, wherein g is less than 80 ℃.
S317: the corresponding risk level is determined to be the fourth level and no signal is output.
In conclusion, the energy storage power station fire-fighting early warning method and system provided by the embodiment have the functions of fire hazard identification, fire grade judgment, automatic temperature control, automatic fire extinguishing operation and the like. This energy storage power station fire control early warning system 1 can discern the conflagration hidden danger in advance to according to the risk level, make corresponding fire control measure, not only can be under the second grade, control thin water smoke extinguishing device 19 and put out a fire the cooling to the trouble position accurately, avoid moreover in the normal equipment of the process of putting out a fire harm. Meanwhile, under the first grade, the heptafluoropropane gas fire extinguishing device 18 and the fine water mist fire extinguishing device 19 can be controlled to quickly extinguish fire and reduce temperature, so that the fire disaster is prevented from spreading on a larger scale or causing equipment explosion accidents. Thereby effectively improving the safety performance of the energy storage power station.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (26)
1. The fire-fighting early warning method for the energy storage power station is characterized by comprising the following steps of:
acquiring an induction signal representing the performance of a battery in an energy storage power station;
and determining a risk level according to the sensing signal, and outputting an execution signal corresponding to the risk level or not outputting a signal.
2. The energy storage power station fire warning method of claim 1, wherein the induced signal comprises a plurality of first sub-induced signals;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
if the temperatures of the battery bodies represented by the first sub-sensing signals in the first preset number meet preset conditions, determining corresponding risk levels, and outputting execution signals corresponding to the risk levels.
3. The energy storage power station fire-fighting early warning method according to claim 2, wherein if the temperatures of the battery bodies represented by the first sub-sensing signals in the first preset number meet a preset condition, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level comprises:
if the temperature of the battery body represented by the first sub-sensing signals with the number of a is greater than or equal to 180 ℃, determining that the corresponding risk grade is a first grade, and outputting a first execution signal corresponding to the first grade, wherein a is greater than 10.
4. The energy storage power station fire-fighting early warning method according to claim 2, wherein if the temperatures of the battery bodies represented by the first sub-sensing signals in the first preset number meet a preset condition, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level comprises:
and if the temperature of the battery body represented by the first sub-sensing signals with the number of b is greater than or equal to 180 ℃, determining that the corresponding risk level is a second level, and outputting a second execution signal corresponding to the second level, wherein b is greater than or equal to 1 and less than or equal to 10.
5. The energy storage power station fire warning method of claim 1, wherein the induced signal comprises a plurality of second sub-induced signals;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the second sub-sensing signals with the second preset number represent the generation of smoke, determining a corresponding risk level, and outputting an execution signal corresponding to the risk level.
6. The energy storage power station fire-fighting early warning method according to claim 5, wherein if a second preset number of the second sub-sensing signals are indicative of smoke generation, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level comprises:
if the number of the second sub-sensing signals is c, the corresponding risk level is determined to be a first level, and a first execution signal corresponding to the first level is output, wherein c is greater than 10.
7. The energy storage power station fire-fighting early warning method according to claim 5, wherein if a second preset number of the second sub-sensing signals are indicative of smoke generation, the step of determining a corresponding risk level and outputting an execution signal corresponding to the risk level comprises:
and if the number of the second sub-sensing signals is d, determining that the corresponding risk level is a second level, and outputting a second execution signal corresponding to the second level, wherein d is more than or equal to 1 and less than or equal to 10.
8. The energy storage power station fire warning method of claim 1, wherein the induced signal comprises a third sub-induced signal and a fourth sub-induced signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e and the fourth sub-sensing signal represents that the battery body has electrolyte leakage, determining that the corresponding risk level is a third level and outputting a third execution signal corresponding to the third level, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
9. The energy storage power station fire warning method of claim 1, wherein the induced signal comprises a third sub-induced signal and a fifth sub-induced signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e and the fifth sub-sensing signal represents that combustible gas exists in the battery module, determining that the corresponding risk level is a third level and outputting a third execution signal corresponding to the third level, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
10. The energy storage power station fire warning method of claim 1, wherein the induced signal comprises a third sub-induced signal and a sixth sub-induced signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e, and the internal auxiliary value of the battery body represented by the sixth sub-sensing signal is f, determining that the corresponding risk grade is a third grade, and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃, and f is less than 10M omega.
11. The energy storage power station fire warning method of claim 1, wherein the induced signal comprises a third sub-induced signal and a seventh sub-induced signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body represented by the third sub-sensing signal is e, and the actual current value of the battery body represented by the seventh sub-sensing signal is greater than the preset current value, determining that the corresponding risk grade is a third grade, and outputting a third execution signal corresponding to the third grade, wherein e is greater than or equal to 120 ℃ and less than 180 ℃.
12. The energy storage power station fire warning method of claim 1, wherein the induced signals include an eighth sub-induced signal and a ninth sub-induced signal;
the step of determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal includes:
and if the temperature of the battery body of the eighth sub-sensing signal characterization battery body is g and the actual current value of the ninth sub-sensing signal characterization battery body is within a preset range, determining that the corresponding risk grade is a fourth grade, and not outputting a signal, wherein g is less than 80 ℃.
13. A fire-fighting early warning system of an energy storage power station is characterized by comprising a controller;
the controller is used for acquiring an induction signal representing the performance of a battery in the energy storage power station;
and the controller is used for determining a risk level according to the sensing signal and outputting an execution signal corresponding to the risk level or not outputting a signal.
14. The energy storage power station fire early warning system of claim 13, further comprising a plurality of temperature sensors for detecting the temperature of different battery bodies, respectively;
if the temperature sensors in the first preset number all output first sub-sensing signals representing that the temperature of the battery body meets the preset conditions, the controller is used for determining corresponding risk levels and outputting execution signals corresponding to the risk levels.
15. The energy storage power station fire warning system of claim 14, wherein if a number a of the temperature sensors each output the first sub-sensing signal indicative of the temperature of the battery body being greater than or equal to 180 ℃, the controller is configured to determine that the corresponding risk level is a first level, and output a first execution signal corresponding to the first level, where a > 10.
16. The energy storage power station fire-fighting early warning system according to claim 14, wherein if the b temperature sensors each output the first sub-sensing signal indicating that the temperature of the battery body is greater than or equal to 180 ℃, the controller is configured to determine that the corresponding risk level is a second level, and output a second execution signal corresponding to the second level, wherein b is greater than or equal to 1 and less than or equal to 10.
17. The energy storage power station fire warning system of claim 13, comprising a plurality of smoke sensors for being respectively disposed in different battery clusters;
and if the smoke sensors with the second preset number all output second sub-induction signals representing smoke in the battery cluster, the controller is used for determining corresponding risk levels and outputting execution signals corresponding to the risk levels.
18. The energy storage power station fire warning system of claim 17, wherein if the number c of smoke sensors each output a second sub-sensing signal indicative of smoke in a battery cluster, the controller is configured to determine that a corresponding risk level is a first level and output a first execution signal corresponding to the first level, where c > 10.
19. The energy storage power station fire-fighting early warning system according to claim 17, wherein if the number d of smoke sensors each output a second sub-sensing signal indicative of smoke occurring in the battery cluster, the controller is configured to determine that the corresponding risk level is a second level, and output a second execution signal corresponding to the second level, where d is greater than or equal to 1 and less than or equal to 10.
20. The energy storage power plant fire fighting early warning system according to claim 15 or 18, characterized in that the energy storage power plant fire fighting early warning system comprises a heptafluoropropane gas fire extinguishing device and a water mist fire extinguishing device, both of which are in communication with the controller, the heptafluoropropane gas fire extinguishing device and the water mist fire extinguishing device being configured to receive the first execution signal to start fire extinguishing work, wherein the water mist fire extinguishing device is configured to open all nozzles for fire extinguishing work.
21. The energy storage power plant fire fighting early warning system according to claim 16 or 19, characterized in that the energy storage power plant fire fighting early warning system comprises a heptafluoropropane gas fire extinguishing device and a water mist fire extinguishing device, both of which are in communication with the controller, the heptafluoropropane gas fire extinguishing device and the water mist fire extinguishing device being configured to receive the second execution signal to start fire extinguishing work, wherein the water mist fire extinguishing device is configured to open a nozzle at a fault to perform fire extinguishing work.
22. The energy storage power station fire early warning system of claim 13, comprising a temperature sensor and a battery relief valve sensor;
if the temperature sensor outputs a third sub sensing signal representing the temperature of the battery body as e, the battery pressure release valve sensor outputs a fourth sub sensing signal representing the occurrence of electrolyte leakage of the battery body, and the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
23. The energy storage power station fire early warning system of claim 13, comprising a temperature sensor and a combustible gas sensor;
if the temperature sensor outputs a third sub-sensing signal representing that the temperature of the battery body is e, the combustible gas sensor outputs a fifth sub-sensing signal representing that combustible gas exists in the battery module, the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃.
24. The energy storage power station fire early warning system of claim 13, comprising a temperature sensor and an internal resistance detection sensor;
if the temperature sensor outputs a third sub-sensing signal representing that the temperature of the battery body is e, the internal resistance detection sensor outputs a sixth sub-sensing signal representing that the internal resistance value of the battery body is f, the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is more than or equal to 120 ℃ and less than 180 ℃, and f is less than 10M omega.
25. The energy storage power station fire early warning system of claim 13, comprising a temperature sensor and a current sensor;
if the temperature sensor outputs a third sub-sensing signal representing that the temperature of the battery body is e, the current sensor outputs a seventh sub-sensing signal representing that the actual current value is greater than the preset current value, the controller is used for determining that the corresponding risk grade is a third grade and outputting a third execution signal corresponding to the third grade, wherein e is greater than or equal to 120 ℃ and less than 180 ℃.
26. The energy storage power station fire early warning system of claim 13, comprising a temperature sensor and a current sensor;
if the temperature sensor outputs an eighth sub-sensing signal representing that the temperature value is g, the current sensor outputs a ninth sub-sensing signal representing that the actual current value is within a preset range, and the controller is used for determining that the corresponding risk grade is a fourth grade and does not output a signal, wherein g is less than 80 ℃.
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| CN202010349174.4A CN111450450A (en) | 2020-04-28 | 2020-04-28 | Fire-fighting early warning method and system for energy storage power station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023304A (en) * | 2020-11-09 | 2020-12-04 | 国网江苏省电力有限公司经济技术研究院 | Energy storage power station fire-fighting system and control method thereof |
| CN112090006A (en) * | 2020-11-10 | 2020-12-18 | 国网江苏省电力有限公司经济技术研究院 | Fire control system and method for prefabricated cabin |
| CN113256929A (en) * | 2021-04-09 | 2021-08-13 | 华翔翔能科技股份有限公司 | Production unit fire control management method and system |
-
2020
- 2020-04-28 CN CN202010349174.4A patent/CN111450450A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023304A (en) * | 2020-11-09 | 2020-12-04 | 国网江苏省电力有限公司经济技术研究院 | Energy storage power station fire-fighting system and control method thereof |
| CN112090006A (en) * | 2020-11-10 | 2020-12-18 | 国网江苏省电力有限公司经济技术研究院 | Fire control system and method for prefabricated cabin |
| CN112090006B (en) * | 2020-11-10 | 2021-02-09 | 国网江苏省电力有限公司经济技术研究院 | Fire control system and method for prefabricated cabin |
| CN113256929A (en) * | 2021-04-09 | 2021-08-13 | 华翔翔能科技股份有限公司 | Production unit fire control management method and system |
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