CN115282530A - Safety prevention and control system for energy storage power station and fire extinguishing method for energy storage power station - Google Patents
Safety prevention and control system for energy storage power station and fire extinguishing method for energy storage power station Download PDFInfo
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- CN115282530A CN115282530A CN202210875931.0A CN202210875931A CN115282530A CN 115282530 A CN115282530 A CN 115282530A CN 202210875931 A CN202210875931 A CN 202210875931A CN 115282530 A CN115282530 A CN 115282530A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
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- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical group FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 claims description 3
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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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Health & Medical Sciences (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
The application relates to a safety prevention and control system of an energy storage power station and a fire extinguishing method of the energy storage power station. The system comprises a preset number of battery bins and control valves arranged corresponding to the battery bins; the data acquisition unit is electrically connected with the battery compartment and is used for acquiring a thermal runaway signal of the battery compartment; the fire extinguishing module is connected with the battery bin and used for storing a fire extinguishing agent and outputting the fire extinguishing agent when thermal runaway is found; and the control unit is connected with the data acquisition unit and the fire extinguishing module and is used for controlling the fire extinguishing module to perform cooling and fire extinguishing actions on the battery compartment according to the thermal runaway signal. By adopting the system, when a single battery compartment in a large energy storage power station is out of control due to heat, the accurate single-point fire extinguishing of the battery compartment out of control due to heat can be implemented, the manufacturing cost is reduced, and the safety is enhanced.
Description
Technical Field
The application relates to the technical field of safety prevention and control, in particular to a safety prevention and control system of an energy storage power station and a fire extinguishing method of the energy storage power station.
Background
With the rapid development of the energy storage industry, the safety of the energy storage power station is widely concerned. Because the lithium ion battery may generate thermal runaway for self chemical reaction or external influence in the charging and discharging processes, and the safety of the energy storage power station is seriously influenced, the fire accident of the energy storage power station occurs occasionally, so that not only is the high maintenance cost caused, but also serious social panic is caused. Therefore, a complete fire protection system must be established to ensure the safety of the energy storage power station.
At present, the fire extinguishing mode of an energy storage power station usually adopts a fire extinguishing device configured for each battery compartment, but for a large-scale energy storage power station, the manufacturing cost is too high due to the large number of the battery compartments, and the phenomenon that fire cannot be extinguished due to the insufficient amount of the fire extinguishing agent in the space of the battery compartments occurs.
Disclosure of Invention
In view of the above, it is necessary to provide an energy storage power station safety prevention and control system and an energy storage power station fire extinguishing method for ensuring the safety of a large energy storage power station.
In order to achieve the above objects and other objects, an aspect of the present application provides a safety control system for an energy storage power station, which is used for avoiding potential safety hazards caused by thermal runaway of lithium batteries in the energy storage power station, where the system includes a preset number of battery compartments and control valves corresponding to the battery compartments;
the data acquisition unit is electrically connected with the battery compartment and is used for acquiring a thermal runaway signal of the battery compartment;
the fire extinguishing module is connected with the battery bin and used for storing a fire extinguishing agent and outputting the fire extinguishing agent when thermal runaway is found;
and the control unit is connected with the data acquisition unit and the fire extinguishing module and is used for controlling the fire extinguishing module to perform cooling and fire extinguishing actions on the battery compartment according to the thermal runaway signal.
In one embodiment, the system further comprises a main pipeline and branch pipes arranged corresponding to the battery chambers;
and the flow meters are arranged in the main pipe and all the branch pipes and are used for detecting whether the fire extinguishing agent passes through.
In one embodiment, the data acquisition unit comprises a composite fire detector which is arranged corresponding to each battery cabin;
the composite fire detector is electrically connected with the battery compartment and is used for detecting whether the battery compartment is out of control thermally;
and the data acquisition unit is electrically connected with the composite fire detector and is used for generating a thermal runaway signal according to the detection condition. In order to detect whether a fire is occurring from multiple dimensions.
In one embodiment, the fire suppression module comprises:
a storage container for storing a fire extinguishing agent;
the driving pump group is connected with the storage container and is used for assisting in outputting the fire extinguishing agent when thermal runaway occurs;
and the standby pump set is used for starting and providing fire extinguishing power when the driving pump set is abnormal.
In one embodiment, the fire suppression module further comprises:
the liquid level detector is connected with the fire extinguishing container and is used for monitoring whether the fire extinguishing container leaks or not in real time;
and the alarm unit is electrically connected with the liquid level detector and used for generating an alarm signal when the real-time liquid level is less than the preset liquid level and executing a preset alarm action according to the alarm signal.
In one embodiment, the control unit is configured to:
when the composite fire detector detects that the heat in the first battery compartment is out of control, controlling a first control valve corresponding to the first battery compartment to open;
control the fire extinguishing module starts, will the fire extinguishing agent sprays through the first branch pipe of being connected with first battery compartment extremely first battery compartment realizes the action of putting out a fire.
In one embodiment, the system further comprises:
and the liquid supplementing device is connected with the storage container and is used for continuously supplying the fire extinguishing agent when the pre-stored fire extinguishing agent is exhausted.
In one embodiment, the fire extinguishing agent is a perfluorohexanone inhibitor.
In a second aspect, a fire extinguishing method for an energy storage power station is provided, for controlling the safety control system for the energy storage power station in any one of the embodiments of the present application, the method including:
generating a thermal runaway signal according to the detection condition of the composite fire detector on the battery compartment;
controlling a control valve corresponding to the battery bin to open and controlling a driving pump set to start according to the thermal runaway signal;
and the driving pump group drives the fire extinguishing agent in the storage container to be transmitted into the thermal runaway battery bin for fire extinguishing.
A third aspect of the present application provides a computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method described in the embodiments of the present application when executing the computer program.
In the energy storage power station safety prevention and control system, the energy storage power station fire extinguishing method and the computer equipment of the embodiment, the pipelines are connected with the battery bins and the fire extinguishing module, when a single battery bin is out of control due to heat, the fire extinguishing agent is rapidly transmitted through the corresponding pipeline to cool and extinguish fire, through the design of pipe network connection, single-point corresponding fire extinguishing can be realized only by establishing a large storage container, and the manufacturing cost is saved. And through setting up the fluid infusion device, guaranteed the continuous output of fire extinguishing agent, improved the security.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an energy storage power station safety control system provided in an embodiment of the present application;
FIG. 2 is a schematic flow diagram of a fire suppression method for an energy storage power station provided in an embodiment of the present application;
fig. 3 is an internal structural diagram of a computer device provided in an embodiment of the present application.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In addition, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", and the like if there is a transfer of electrical signals or data between the connected objects.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
As described in the background art, in the existing energy storage power station fire-fighting system, each battery compartment is mostly provided with a fire-fighting device, but due to the limited size of the battery compartment, the stored fire extinguisher amount is small, which may cause the situation that the fire extinguishing agent is exhausted but the fire is not extinguished; moreover, for a large energy storage power station, the number of battery bins is large, and if each battery bin is provided with a fire fighting device, the manufacturing cost is also high.
Referring to fig. 1, in an embodiment of the present application, a safety control system for an energy storage power station is provided, for avoiding potential safety hazards caused by thermal runaway of lithium batteries in the energy storage power station, where the system includes a preset number of battery compartments, control valves corresponding to the battery compartments, a data acquisition unit, a fire extinguishing module, and a control unit; the data acquisition unit is electrically connected with the battery compartment and is used for acquiring a thermal runaway signal of the battery compartment; the fire extinguishing module is connected with the battery bin and used for storing a fire extinguishing agent and outputting the fire extinguishing agent when thermal runaway is found; and the control unit is connected with the data acquisition unit and the fire extinguishing module and is used for controlling the fire extinguishing module to perform cooling and fire extinguishing actions on the battery compartment according to the thermal runaway signal.
Specifically, each battery compartment is provided with one control valve, so that when a fire disaster occurs in the battery compartment, only the control valve corresponding to the battery compartment is opened to perform fire extinguishing action; through only setting up a extinguishing device, can practice thrift the cost to if the volume of fire extinguishing agent container is big enough, can store the injection that the fire extinguishing agent of capacity carries out the fire extinguishing agent to single battery compartment, because of the thermal runaway's cooling of putting out a fire and explosion suppression explosion-proof continuously whole battery compartment.
In one embodiment, the system further comprises a main pipeline and branch pipelines arranged corresponding to the battery bins; and the flow meters are arranged in the main pipe and all the branch pipes and are used for detecting whether the fire extinguishing agent passes through.
Specifically, when the data acquisition unit gathered the thermal runaway signal according to the thermal runaway phenomenon that appears in the battery compartment, the control unit started and transmitted fire extinguishing agent to thermal runaway battery compartment through corresponding branch pipeline according to thermal runaway signal control fire extinguishing module, if find the thermal runaway battery compartment and do not put out a fire this moment, can not distinguish that trunk line, branch pipeline or which of fire extinguishing module has appeared unusually, so through setting up a plurality of flowmeter in the pipeline, can discern the subassembly that breaks down to the pertinence is repaired. For example, if neither the flow meters in the main pipe nor the branch pipe are displayed, the failure of the fire extinguishing module is proved; if the flow meter at the joint of the main pipeline and the fire extinguishing module is normal, and the flow meter at the joint of the main pipeline and the branch pipeline and the flow meter of the branch pipeline are both abnormal, the main pipeline is proved to be in fault; if the flow meters in the main pipeline are all normal, and the flow meters of the branch pipelines are abnormal, the corresponding branch pipelines break down.
Specifically, one end of each branch pipeline extending into the battery compartment is connected with a special atomizing nozzle, so that the spraying range and the spraying angle of the fire extinguishing agent can be controlled.
In one embodiment, the data acquisition unit comprises a composite fire detector and a data acquisition unit which are arranged corresponding to each battery compartment; the composite fire detector is electrically connected with the battery compartment and is used for detecting whether the battery compartment is out of control due to heat; and the data acquisition unit is electrically connected with the composite fire detector and is used for generating a thermal runaway signal according to the detection condition. To facilitate detection of fires from multiple dimensions.
Specifically, the composite fire detector can be a five-in-one composite detector, namely a composite multifunctional fire detector integrating H2, CO, temperature-sensitive smoke and VOC, and is mainly used for monitoring fire of a lithium battery cell of an energy storage cabinet, detecting the concentration of hazardous gases (gas CO and H2) and the concentration of volatile organic compounds in the current environment, and judging the danger level; according to the grade, the alarm is given, and the traditional smoke and temperature detection functions are realized. The sensor of the detector is a multi-parameter gas sensor composed of different sensitive elements, and the judgment of the level of the dangerous gas in the current environment is realized by using a specific conditioning circuit and an accurate algorithm mode. Compared with a traditional smoke temperature composite sensor, the five-in-one composite detector has the advantages that the range of fire detection is expanded, the detection of gas and volatile organic compounds is increased, and the accurate real-time detection under the thermal runaway state of the lithium battery is more satisfied.
In one embodiment, the fire suppression module includes a storage container and a drive pump set; a storage container for storing a fire extinguishing agent; the driving pump group is connected with the storage container and is used for assisting in outputting the fire extinguishing agent when thermal runaway occurs; and the standby pump set is used for starting and providing fire extinguishing power when the driving pump set is abnormal.
Specifically, the volume of the storage container needs to be large enough to store sufficient fire extinguishing agent, so that the battery compartment can be continuously extinguished, cooled, explosion-suppressed and explosion-blocked under the condition that the whole battery compartment is out of control due to heat. The system belongs to the field of 'fire fighting', and once a main driving pump group is abnormally damaged, a standby pump group is required to be started.
In one embodiment, the fire extinguishing module further comprises a liquid level detector and an alarm unit; the liquid level detector is connected with the fire extinguishing container and is used for monitoring whether the fire extinguishing container leaks or not in real time; and the alarm unit is electrically connected with the liquid level detector and used for generating an alarm signal when the real-time liquid level is less than the preset liquid level and executing a preset alarm action according to the alarm signal.
Specifically, when the thermal runaway of the battery compartment does not occur, the liquid level detector is used for detecting whether the pre-stored fire extinguishing agent leaks or not in real time, and the liquid level detector can alarm and detect when the pre-stored fire extinguishing agent is lower than a preset condition so as to detect the leakage condition. The predetermined condition includes the real-time liquid level being less than a predetermined level, which in some embodiments may be 90%, 91%, 92%, 93%, 94%, 95%, 96%, or 97% of the total volume of the storage vessel. That is, if the total volume of the storage container is 10L, the preset liquid level may be 9L, 9.1L, 9.2L, 9.3L, 9.4L, 9.5L, 9.6L, 9.7L, and if the real-time liquid level is lower than the preset liquid level, it indicates that the storage container is abnormal, and a leakage condition exists, and an alarm unit is triggered. The preset alarm action comprises at least one of an indicator light alarm, a buzzer alarm, a voice alarm and a short message sending. The indicator light alarm comprises the steps that an indicator light is normally on, the indicator light flickers and the like; the buzzer alarms comprise long-time ringing, short-time ringing and the like; the voice alarm includes 'fire extinguisher leakage, please check the storage container', etc. So that the staff can judge the leakage condition timely and intuitively according to the sound, light or short message reminding. Under the condition that the battery compartment is out of control thermally, the fire extinguishing agent in the storage container is consumed gradually due to fire extinguishing, so that the alarm unit cannot generate an alarm signal due to the fact that the real-time liquid level is lower than the preset liquid level under the state.
In one embodiment, the system further comprises a fluid replacement device connected to the storage container for continuing to supply the fire suppressant when the pre-stored fire suppressant is depleted.
Specifically, if the fire of single or a plurality of battery compartments has spread, when the fire extinguishing agent that prestores was far away not enough to restrain the fire in the holding vessel, can be through a fluid infusion device of external connection at the holding vessel, input the fire extinguishing agent in to the holding vessel, make the branch pipe can continuously spray the fire extinguishing agent until the fire reduces to disappearing.
In one embodiment, the fire extinguishing agent is a perfluorohexanone inhibitor.
In one embodiment, the system further comprises a display module electrically connected with the control unit and used for changing the spraying mode according to the setting of workers.
Specifically, the spraying mode comprises spraying flow, spraying range, spraying time and spraying interval time, so that fire can be accurately extinguished in a mode of saving the fire extinguishing agent most.
In the energy storage power station safety prevention and control system of above-mentioned embodiment, each battery compartment and the module of putting out a fire are connected to the pipeline, and when single battery compartment thermal runaway, through corresponding the pipeline and transmit extinguishing agent rapidly in order to cool down and put out a fire, through the design of pipe network connection, only need establish a large-scale storage container and can realize that the single-point corresponds puts out a fire, has practiced thrift the cost. And through setting up the fluid infusion device, guaranteed the continuous output of fire extinguishing agent, improved the security.
Referring to fig. 2, in one embodiment of the present application, there is provided an energy storage power station fire extinguishing method for controlling the energy storage power station safety control system according to any one of the embodiments of the present application, the method including:
step S100: generating a thermal runaway signal according to the detection condition of the composite fire detector on the battery compartment;
specifically, the composite fire detector judges whether the thermal runaway phenomenon occurs in the battery compartment according to whether gas, organic compounds or smoke is generated in the battery compartment or not, whether temperature rises or not and the like. If so, a thermal runaway signal is generated.
Step S200: controlling a control valve corresponding to the battery bin to open and controlling a driving pump set to start according to the thermal runaway signal;
specifically, if a fire breaks out in the first battery compartment, the control unit controls the opening of the first control valve corresponding to the first battery compartment, and starts the driving pump group or starts the backup pump group if the driving pump group is abnormal.
Step S300: the driving pump group drives the fire extinguishing agent in the storage container to be transmitted into the thermal runaway battery bin for fire extinguishing;
specifically, after the driving pump set is started, the fire extinguishing agent is transmitted to the first branch pipeline according to the spraying flow, the spraying interval time or the spraying duration time set by workers, the spraying angle and the spraying range of the first spray head connected with the first branch pipeline are changed according to the setting of the workers, then the fire extinguishing agent is sprayed to the first battery compartment out of control, and the battery compartment is gradually cooled and extinguished.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not limited to being performed in the exact order illustrated and, unless explicitly stated herein, may be performed in other orders. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a part of the steps or stages in other steps.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 3. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operating system and the computer program to run on the non-volatile storage medium. The communication interface of the computer device is used for communicating with an external terminal in a wired or wireless manner, and the wireless manner can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a method of bottle cap quality inspection. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 3 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by hardware instructions of a computer program, which may be stored in a non-volatile computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include a Read-Only Memory (ROM), a magnetic tape, a floppy disk, a flash Memory, an optical Memory, a high-density embedded nonvolatile Memory, a resistive Random Access Memory (ReRAM), a Magnetic Random Access Memory (MRAM), a Ferroelectric Random Access Memory (FRAM), a Phase Change Memory (PCM), a graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), for example. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the various embodiments provided herein may be, without limitation, general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing-based data processing logic devices, or the like.
In the description herein, references to "some embodiments," "other embodiments," "desired embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (10)
1. The safety prevention and control system for the energy storage power station is characterized by being used for avoiding potential safety hazards caused by thermal runaway of lithium batteries in the energy storage power station, and the system comprises a preset number of battery bins and control valves arranged corresponding to the battery bins;
the data acquisition unit is electrically connected with the battery compartment and is used for acquiring a thermal runaway signal of the battery compartment;
the fire extinguishing module is connected with the battery bin and used for storing a fire extinguishing agent and outputting the fire extinguishing agent when thermal runaway is found;
and the control unit is connected with the data acquisition unit and the fire extinguishing module and is used for controlling the fire extinguishing module to perform cooling and fire extinguishing actions on the battery compartment according to the thermal runaway signal.
2. The energy storage power station safety prevention and control system of claim 1, characterized in that the system further comprises a main pipeline and branch pipes arranged corresponding to the battery compartments;
and the flow meter is arranged in the main pipe and all branch pipes and is used for detecting whether the fire extinguishing agent passes through.
3. The energy storage power station safety prevention and control system of claim 2, characterized in that the data acquisition unit comprises a composite fire detector arranged corresponding to each battery compartment;
the composite fire detector is electrically connected with the battery compartment and is used for detecting whether the battery compartment is out of control due to heat;
and the data acquisition unit is electrically connected with the composite fire detector and is used for generating a thermal runaway signal according to the detection condition.
4. The energy storage power station safety and control system of claim 3 wherein the fire suppression module comprises:
a storage container for storing a fire extinguishing agent;
the driving pump group is connected with the storage container and is used for assisting in outputting the fire extinguishing agent when thermal runaway occurs;
and the standby pump set is used for starting and providing fire extinguishing power when the driving pump set is abnormal.
5. The energy storage power station safety prevention and control system of claim 4, characterized in that the fire suppression module further comprises:
the liquid level detector is connected with the fire extinguishing container and is used for monitoring whether the fire extinguishing container leaks or not in real time;
and the alarm unit is electrically connected with the liquid level detector and used for generating an alarm signal when the real-time liquid level is less than the preset liquid level and executing a preset alarm action according to the alarm signal.
6. The energy storage power station safety and control system of claim 5, wherein the control unit is configured to:
when the composite fire detector detects that the heat in the first battery compartment is out of control, controlling a first control valve corresponding to the first battery compartment to open;
control the fire extinguishing module starts, will the fire extinguishing agent sprays through the first branch pipe of being connected with first battery compartment extremely first battery compartment realizes the action of putting out a fire.
7. The energy storage power station safety prevention and control system of any one of claims 1 to 6, characterized in that the system further comprises:
and the liquid supplementing device is connected with the storage container and is used for continuously supplying the fire extinguishing agent when the pre-stored fire extinguishing agent is exhausted.
8. The energy storage power station safety control system of claim 7, characterized in that the fire extinguishing agent is a perfluorohexanone inhibitor.
9. An energy storage power station fire extinguishing method for controlling the energy storage power station safety prevention and control system of any one of claims 1-8, the method comprising:
generating a thermal runaway signal according to the detection condition of the composite fire detector on the battery compartment;
controlling a control valve corresponding to the battery bin to open and controlling a driving pump set to start according to the thermal runaway signal;
and the driving pump group drives the fire extinguishing agent in the storage container to be transmitted into the thermal runaway battery bin for fire extinguishing.
10. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor realizes the steps of the method of claim 9 when executing the computer program.
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| CN202210875931.0A CN115282530A (en) | 2022-07-25 | 2022-07-25 | Safety prevention and control system for energy storage power station and fire extinguishing method for energy storage power station |
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