Liquid cooling energy storage fire-fighting action control method, device, equipment and medium

Abstract

The invention provides a liquid cooling energy storage fire-fighting action control method, device and equipment and a medium, and relates to the technical field of energy storage fire fighting, and the method comprises the steps: obtaining an alarm signal, the net volume of a protection area and environment temperature data; if the fire extinguishing action is determined to be triggered based on the alarm signal, determining the use amount of a fire extinguishing agent based on the net volume of the protection area and the environment temperature data; the fire extinguishing agent is controlled to be sprayed at preset interval time based on the fire extinguishing agent dosage; monitoring the temperature and the smoke concentration of the sprayed battery cell; and if the battery cell temperature and the smoke concentration are increased, triggering secondary injection. In the mode, the accuracy and reliability of fire extinguishing are improved, and a foundation is also provided for energy storage in high-altitude and extremely cold environments.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage fire fighting, and in particular to a liquid-cooled energy storage fire fighting action control method, device, equipment and medium. BACKGROUND

[0002] The current liquid-cooled energy storage fire fighting has certain defects, for example, the extinguishing agent quantity is designed according to the standard working condition, the influence of external factors is ignored, the injection relies only on the timer to trigger the supplementary dose after injection, and there are problems such as response delay. SUMMARY

[0003] Therefore, the present application aims to provide a liquid-cooled energy storage fire fighting action control method, device, equipment and medium to improve the accuracy and reliability of fire extinguishing and provide a basis for energy storage in high-altitude and extremely cold environments.

[0004] In a first aspect, the present application provides a liquid-cooled energy storage fire fighting action control method, comprising: acquiring alarm signals, net volume of a protection area and environmental temperature data; if it is determined to trigger a fire extinguishing action based on the alarm signals, determining the extinguishing agent quantity based on the net volume of the protection area and the environmental temperature data; controlling the extinguishing agent to be injected at a pre-set interval time based on the extinguishing agent quantity; monitoring the cell temperature and smoke concentration after injection; and triggering a second injection if the cell temperature and smoke concentration increase.

[0005] In a preferred embodiment of the present application, when the alarm signal is a three-level alarm signal, the fire extinguishing action is triggered, and the triggering conditions of the three-level alarm signal include: if the cell temperature is greater than or equal to a pre-set first temperature threshold value, and the temperature rise is greater than or equal to a pre-set second temperature threshold value within a pre-set first time interval; and simultaneously satisfying the conditions that the smoke concentration is greater than or equal to a pre-set first concentration threshold value, or the carbon monoxide concentration is greater than or equal to a pre-set second concentration threshold value, or the hydrogen concentration is greater than or equal to a pre-set third concentration threshold value, or the volatile organic compound concentration is greater than or equal to a pre-set fourth concentration threshold value.

[0006] In a preferred embodiment of the present application, the calculation of the net volume of the protection area includes: obtaining three-dimensional point cloud data of the cabin body by laser radar scanning; and calculating the remaining net volume after removing the occupied volume of the equipment by using the Monte Carlo method.

[0007] In a preferred embodiment of the present application, the calculation of the extinguishing agent vapor mass volume includes: querying a saturated vapor pressure table at the current environmental temperature; and correcting to the actual mass volume according to the ideal gas state equation.

[0008] In a preferred embodiment of the present application, the electromagnetic valve control logic includes: closing the electromagnetic valve after the first injection, and counting down a pre-set time; and if the temperature or smoke concentration does not decrease after the countdown ends, opening the electromagnetic valve again.

[0009] In the preferred embodiment of the present application, the subsequent injection trigger condition comprises: after the first injection, the temperature rise is greater than or equal to the third temperature threshold set in advance or the smoke concentration rises by greater than or equal to the fifth concentration threshold set in advance within the second time interval set in advance; and after the second injection, the temperature rise continues to rise within the third time interval set in advance.

[0010] In the preferred embodiment of the present application, the single injection dose dynamic adjustment method comprises: if the ambient temperature is greater than the ambient temperature threshold set in advance, increasing the target percentage of the design dosage; and if the altitude is greater than the altitude threshold set in advance, adjusting the dosage according to the altitude correction coefficient.

[0011] In the second aspect, the embodiments of the present application also provide a fire-fighting action control device for liquid-cooled energy storage, comprising: a data acquisition module configured to determine the fire extinguishing agent dosage based on the net volume of the protection zone and the ambient temperature data if it is determined that the fire extinguishing action is triggered based on the alarm signal; a fire extinguishing agent dosage determination module configured to determine the fire extinguishing agent dosage based on the net volume of the protection zone and the ambient temperature data by the following formula; a fire extinguishing agent control module configured to control the fire extinguishing agent to be injected at a preset interval time based on the fire extinguishing agent dosage; a monitoring module configured to monitor the battery cell temperature and the smoke concentration after injection; and a second injection trigger module configured to trigger the second injection if the battery cell temperature and the smoke concentration increase.

[0012] In the third aspect, the embodiments of the present application also provide an electronic device, comprising a processor and a memory, wherein the memory stores computer executable instructions capable of being executed by the processor, and the processor executes the computer executable instructions to implement the fire-fighting action control method for liquid-cooled energy storage of the first aspect.

[0013] In the fourth aspect, the embodiments of the present application also provide a computer readable storage medium, wherein the computer readable storage medium stores computer executable instructions, and the computer executable instructions cause the processor to implement the fire-fighting action control method for liquid-cooled energy storage of the first aspect when the computer executable instructions are called and executed by the processor.

[0014] The embodiments of the present application bring the following beneficial effects:

[0015] The embodiment of the present application provides a fire-fighting action control method, device, equipment and medium of liquid-cooled energy storage, which obtains an alarm signal, a net volume of a protection area and environmental temperature data. If it is determined that a fire extinguishing action is triggered based on the alarm signal, the amount of fire extinguishing agent is determined based on the net volume of the protection area and the environmental temperature data. The fire extinguishing agent is sprayed at a preset interval time based on the amount of the fire extinguishing agent. The temperature of the battery cell and the smoke concentration after spraying are monitored. If the temperature of the battery cell and the smoke concentration increase, secondary spraying is triggered. In this way, the accuracy and reliability of fire extinguishing are improved, and the energy storage in high-altitude and extremely cold environments is also provided.

[0016] Other features and advantages of the present disclosure will be described in the following description, or can be inferred from the description, or can be determined without doubt, or can be known by implementing the above-mentioned technologies of the present disclosure.

[0017] In order to make the above-mentioned purposes, features and advantages of the present disclosure more obvious and easy to understand, the following preferred embodiments are specifically described, and the accompanying drawings are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 A flow chart of a fire-fighting action control method of liquid-cooled energy storage provided by the embodiment of the present application;

[0020] Figure 2 A flow chart of another fire-fighting action control method of liquid-cooled energy storage provided by the embodiment of the present application;

[0021] Figure 3 A structural schematic diagram of a fire-fighting action control device of liquid-cooled energy storage provided by the embodiment of the present application;

[0022] Figure 4 A structural schematic diagram of an electronic device provided by the embodiment of the present application. DETAILED DESCRIPTION

[0023] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be described below in connection with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0024] The current liquid-cooled energy storage fire fighting has certain defects, for example, the extinguishing agent amount is designed according to standard working conditions, the influence of external factors is ignored, the replenishment amount is triggered only by a timer after spraying, and there are problems such as response delay.

[0025] Based on this, the fire fighting action control method, device, equipment and medium provided by the embodiments of the present application can obtain alarm signals, net volume of protection area and environmental temperature data. If it is determined to trigger the fire extinguishing action based on the alarm signal, the amount of extinguishing agent is determined based on the net volume of the protection area and the environmental temperature data. The extinguishing agent is controlled to be sprayed at a pre-set interval time based on the amount of extinguishing agent. The temperature of the battery cell and the smoke concentration after spraying are monitored. If the temperature of the battery cell and the smoke concentration increase, secondary spraying is triggered. In this way, the accuracy and reliability of fire extinguishing are improved, and the energy storage in high altitude and extremely cold environment is also provided.

[0026] In order to facilitate the understanding of the present embodiment, first, a liquid-cooled energy storage fire fighting action control method disclosed by the present embodiment will be described in detail.

[0027] Embodiment 1

[0028] The present embodiment provides a liquid-cooled energy storage fire fighting action control method, Figure 1 The flow chart of the liquid-cooled energy storage fire fighting action control method provided by the present embodiment is shown in Figure 1. As shown in the figure, the liquid-cooled energy storage fire fighting action control method can include the following steps: Figure 1

[0029] Step S101, obtaining alarm signals, net volume of protection area and environmental temperature data.

[0030] Among them, the alarm signal includes a three-level alarm signal, which can trigger the fire extinguishing action.

[0031] The alarm signal, the net volume of the protection area and the environmental temperature data are obtained to establish a fire extinguishing decision basis database.

[0032] Step S102, if it is determined to trigger the fire extinguishing action based on the alarm signal, the amount of extinguishing agent is determined based on the net volume of the protection area and the environmental temperature data.

[0033] ​The amount of the fire extinguishing agent can achieve dynamic matching of the fire extinguishing agent and the environment.

[0034] In step S103, the fire extinguishing agent is controlled to be sprayed at a preset interval time based on the amount of the fire extinguishing agent.

[0035] The interval time can be 10 minutes, and each spraying time is 10 seconds.

[0036] In step S104, the temperature of the battery cell and the smoke concentration after spraying are monitored.

[0037] The temperature of the battery cell can be monitored by a thermocouple array, and the smoke concentration can be monitored by a laser scattering instrument.

[0038] In step S105, if the temperature of the battery cell and the smoke concentration increase, secondary spraying is triggered.

[0039] When the change rate of the temperature of the battery cell is greater than 5℃ / min, or the rising rate of the smoke concentration is greater than 10%, secondary spraying is triggered.

[0040] The fire extinguishing action control method for liquid-cooled energy storage provided by the embodiment of the present application can obtain an alarm signal, a net volume of a protection area, and environmental temperature data. If it is determined to trigger a fire extinguishing action based on the alarm signal, the amount of the fire extinguishing agent is determined based on the net volume of the protection area and the environmental temperature data. The fire extinguishing agent is controlled to be sprayed at a preset interval time based on the amount of the fire extinguishing agent. The temperature of the battery cell and the smoke concentration after spraying are monitored. If the temperature of the battery cell and the smoke concentration increase, secondary spraying is triggered. In this way, the accuracy and reliability of fire extinguishing are improved, and the energy storage in high-altitude and extremely cold environments is also provided.

[0041] Embodiment 2

[0042] The embodiment of the present application also provides another fire extinguishing action control method for liquid-cooled energy storage.

[0043] Figure 2 The flowchart of another fire extinguishing action control method for liquid-cooled energy storage provided by the embodiment of the present application is shown in Figure 2 The fire extinguishing action control method for liquid-cooled energy storage can include the following steps:

[0044] In step S201, an alarm signal, a net volume of a protection area, and environmental temperature data are obtained.

[0045] When the alarm signal is a three-level alarm signal, a fire extinguishing action is triggered. The triggering conditions of the three-level alarm signal include:

[0046] If the cell temperature is greater than or equal to a first temperature threshold value, and the temperature rise is greater than or equal to a second temperature threshold value within a first time interval.

[0047] At the same time, the smoke concentration is greater than or equal to a first concentration threshold value, or the carbon monoxide concentration is greater than or equal to a second concentration threshold value, or the hydrogen concentration is greater than or equal to a third concentration threshold value, or the volatile organic compound concentration is greater than or equal to a fourth concentration threshold value.

[0048] The calculation of the net volume of the protection zone can include: obtaining three-dimensional point cloud data of the cabin body by laser radar scanning; after removing the occupied volume of the equipment, the remaining net volume is calculated by the Monte Carlo method.

[0049] Step S202, if the alarm signal is determined to be a third level alarm signal, the fire extinguishing action is triggered, and the amount of fire extinguishing agent is determined based on the net volume of the protection zone and the ambient temperature data.

[0050] The calculation of the mass volume of the fire extinguishing agent vapor includes: querying the saturated vapor pressure table at the current ambient temperature; and correcting to the actual mass volume according to the ideal gas state equation.

[0051] Step S203, control the fire extinguishing agent to be sprayed at a preset interval time based on the amount of fire extinguishing agent.

[0052] The electromagnetic valve control logic includes: closing the electromagnetic valve after the first spraying, and counting down for a preset time; if the temperature or smoke concentration does not decrease after the countdown is over, the electromagnetic valve is opened again.

[0053] The single spraying dose dynamic adjustment method includes: if the ambient temperature is greater than a preset ambient temperature threshold value, the design amount of the target percentage is increased; if the altitude is greater than a preset altitude threshold value, the amount is adjusted according to the altitude correction coefficient.

[0054] Step S204, monitor the cell temperature and smoke concentration after spraying.

[0055] Step S205, if the cell temperature and smoke concentration increase, trigger secondary spraying.

[0056] The subsequent spraying trigger condition includes: after the first spraying, the temperature rise is greater than or equal to a third temperature threshold value within a second time interval, or the smoke concentration rises by greater than or equal to a fifth concentration threshold value; after the second spraying, the temperature rise continues to rise within a third time interval.

[0057] Embodiment 3

[0058] Corresponding to the above method embodiment, the embodiment of the application provides a fire-fighting action control device for liquid-cooled energy storage, Figure 4 A structural schematic diagram of a fire-fighting action control device for liquid-cooled energy storage provided by the embodiment of the application is shown in the figure, and the fire-fighting action control device for liquid-cooled energy storage can include: Figure 4

[0059] The data acquisition module 301 is configured to determine the amount of fire extinguishing agent based on the net volume of the protection zone and the ambient temperature data if it is determined to trigger the fire extinguishing action based on the alarm signal.

[0060] The fire extinguishing agent amount determination module 302 is configured to determine the amount of fire extinguishing agent based on the net volume of the protection zone and the ambient temperature data by the following formula.

[0061] The fire extinguishing agent control module 303 is configured to control the fire extinguishing agent to be sprayed at a pre-set interval time based on the amount of fire extinguishing agent.

[0062] The monitoring module 304 is configured to monitor the temperature of the battery cell and the smoke concentration after spraying.

[0063] The secondary spraying trigger module 305 is configured to trigger secondary spraying if the temperature of the battery cell and the smoke concentration increase.

[0064] The fire-fighting action control device for liquid-cooled energy storage provided by the embodiment of the application can acquire the alarm signal, the net volume of the protection zone and the ambient temperature data. If it is determined to trigger the fire extinguishing action based on the alarm signal, the amount of fire extinguishing agent is determined based on the net volume of the protection zone and the ambient temperature data. The fire extinguishing agent is controlled to be sprayed at a pre-set interval time based on the amount of fire extinguishing agent. The temperature of the battery cell and the smoke concentration after spraying are monitored. If the temperature of the battery cell and the smoke concentration increase, secondary spraying is triggered. In this way, the accuracy and reliability of fire extinguishing are improved, and the energy storage in high-altitude and extremely cold environments is also provided.

[0065] In some embodiments, the data acquisition block is also configured to determine that the temperature of the battery cell is greater than or equal to a pre-set first temperature threshold value, and that the temperature rise is greater than or equal to a pre-set second temperature threshold value within a pre-set first time interval; and simultaneously determine that the smoke concentration is greater than or equal to a pre-set first concentration threshold value, or the carbon monoxide concentration is greater than or equal to a pre-set second concentration threshold value, or the hydrogen concentration is greater than or equal to a pre-set third concentration threshold value, or the volatile organic compound concentration is greater than or equal to a pre-set fourth concentration threshold value.

[0066] In some embodiments, the fire extinguishing agent amount determination module is also configured to acquire three-dimensional point cloud data of the cabin body by laser radar scanning; and calculate the remaining net volume by the Monte Carlo method after removing the occupied volume of the equipment.

[0067] ​In some embodiments, the extinguishing agent dosage determination module is further configured to query a saturated vapor pressure table at a current ambient temperature; and correct the ideal gas state equation to an actual mass volume.

[0068] In some embodiments, the extinguishing agent control module is further configured to close the electromagnetic valve after the first injection, and start a preset time countdown; and if the temperature or the smoke concentration has not decreased after the countdown ends, then open the electromagnetic valve again.

[0069] In some embodiments, the monitoring module is further configured to, after the first injection, determine whether the temperature rise is greater than or equal to a third preset temperature threshold or the smoke concentration rise is greater than or equal to a fifth preset concentration threshold within a second preset time interval; and after the second injection, determine whether the temperature rise continues to rise within a third preset time interval.

[0070] In some embodiments, the second injection triggering module is further configured to, if the ambient temperature is greater than a preset ambient temperature threshold, increase the target percentage of the design dosage; and if the altitude is greater than a preset altitude threshold, adjust the dosage according to an altitude correction coefficient.

[0071] The device provided by the embodiments of the present application has the same implementation principle and technical effects as the foregoing method embodiments, and for brevity of description, the part not mentioned in the device embodiment can be referred to the corresponding content in the foregoing method embodiments.

[0072] Embodiment 4

[0073] The embodiments of the present application also provide an electronic device configured to execute the fire-fighting action control method of liquid-cooled energy storage. Figure 4 As shown in a structural schematic diagram of an electronic device, the electronic device includes a memory 400 and a processor 401, wherein the memory 400 is configured to store one or more computer instructions, and the one or more computer instructions are executed by the processor 401 to implement the fire-fighting action control method of liquid-cooled energy storage.

[0074] Further, Figure 4 As shown in a structural schematic diagram of an electronic device, the electronic device includes a memory 400 and a processor 401, wherein the memory 400 is configured to store one or more computer instructions, and the one or more computer instructions are executed by the processor 401 to implement the fire-fighting action control method of liquid-cooled energy storage.

[0075] The memory 400 may include a high-speed random access memory (RAM), and may also include a non-volatile memory, such as at least one disk storage. The communication connection between the system network element and at least one other network element is achieved through at least one communication interface 403 (which may be wired or wireless), and the Internet, wide area network, local area network, metropolitan area network, etc. may be used. The bus 402 may be an ISA bus, a PCI bus, or an EISA bus. The bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 4 Only one bidirectional arrow is used in the diagram, but this does not mean that there is only one bus or one type of bus.

[0076] The processor 401 may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method can be completed by hardware integrated logic circuits in the processor 401 or by software instructions. The above processor 401 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it may also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiments of the present invention. The general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in conjunction with the embodiments of the present invention can be directly implemented as being executed by a hardware decoding processor, or can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium well-known in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, etc. The storage medium is located in memory 400, and processor 401 reads the information in memory 400 and, in conjunction with its hardware, completes the steps of the method of the aforementioned embodiment.

[0077] The embodiment of the present application further provides a computer readable storage medium, which stores computer executable instructions, and the computer executable instructions, when called and executed by a processor, cause the processor to implement the fire-fighting action control method for liquid-cooled energy storage.

[0078] The computer program product for implementing the fire-fighting action control method for liquid-cooled energy storage provided by the embodiment of the present application comprises a computer readable storage medium storing non-volatile program codes executable by a processor, and the program codes comprise instructions for executing the method described in the foregoing method embodiment, and the specific implementation can be referred to the method embodiment, and details are not described herein.

[0079] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the system, device and unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein.

[0080] In the several embodiments of the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of the units is only a logical function division, and there can be another division manner in actual implementation. For example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection can be indirect coupling or communication connection through some communication interface, device or unit, and can be electrical, mechanical or other forms.

[0081] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. According to actual needs, part or all of the units can be selected to achieve the purpose of the embodiment scheme.

[0082] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0083] If the functions are realized in the form of software function units and sold or used as independent products, they can be stored in a nonvolatile computer readable storage medium executable by a processor. Based on this understanding, the technical solutions of the present application or the part of the prior art that essentially contributes or the part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in the various embodiments of the present application. The aforementioned storage medium includes a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

[0084] Finally, it should be noted that the above-described embodiments are only specific implementations of the present application, which are used to illustrate the technical solutions of the present application, but not to limit them. The protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily think of changes to the technical solutions described in the foregoing embodiments within the technical scope disclosed by the present application, or make equivalent replacements to some of the technical features. The modifications, changes or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A firefighting action control method for liquid-cooled energy storage, characterized in that: The method comprises: Obtain alarm signals, net volume of protection area and ambient temperature data; If a fire extinguishing action is triggered based on the alarm signal, the amount of fire extinguishing agent to be used is determined based on the net volume of the protection area and the ambient temperature data; Controlling the fire extinguishing agent to spray at preset intervals based on the amount of the fire extinguishing agent; Monitor the battery cell temperature and smoke concentration after injection; If the battery cell temperature and smoke concentration increase, the secondary injection is triggered.

2. The method according to claim 1, characterized in that When the alarm signal is a level 3 alarm signal, a fire extinguishing action is triggered. The triggering conditions of the level 3 alarm signal include: If the battery cell temperature is greater than or equal to a preset first temperature threshold, and the temperature rise within a preset first time interval is greater than or equal to a preset second temperature threshold; At the same time, the smoke concentration is greater than or equal to a preset first concentration threshold, or the carbon monoxide concentration is greater than or equal to a preset second concentration threshold, or the hydrogen concentration is greater than or equal to a preset third concentration threshold, or the volatile organic compound concentration is greater than or equal to a preset fourth concentration threshold.

3. The method according to claim 2, characterized in that The net volume calculation of the protection zone includes: Obtain three-dimensional point cloud data of the cabin through lidar scanning; After excluding the volume occupied by the equipment, the Monte Carlo method is used to calculate the remaining net volume.

4. The method according to claim 2, characterized in that The calculation of the mass volume of fire extinguishing agent vapor includes: Query the saturated vapor pressure table at the current ambient temperature; Corrected to actual mass volume according to the ideal gas state equation.

5. The method according to claim 4, characterized in that The solenoid valve control logic includes: After the first injection, the solenoid valve is closed and the preset time countdown begins; If the temperature or smoke concentration does not drop after the countdown, the solenoid valve will be opened again.

6. The method according to claim 5, characterized in that The subsequent injection triggering conditions include: After the first spraying, the temperature rise is greater than or equal to the preset third temperature threshold, or the smoke concentration rises to be greater than or equal to the preset fifth concentration threshold within the preset second time interval; After the secondary injection, the temperature rise continues to rise within a preset third time interval.

7. The method according to claim 6, characterized in that The methods for dynamic adjustment of single injection dose include: If the ambient temperature is greater than the preset ambient temperature threshold, the design dosage is increased by the target percentage; If the altitude is greater than the preset altitude threshold, the dosage is adjusted according to the altitude correction factor.

8. A liquid-cooled energy storage fire control device, characterized in that: The device comprises: a data acquisition module, configured to determine the amount of fire extinguishing agent to be used based on the net volume of the protection zone and the ambient temperature data if a fire extinguishing action is determined to be triggered based on the alarm signal; A fire extinguishing agent dosage determination module, configured to determine the fire extinguishing agent dosage using the following formula based on the net volume of the protection area and the ambient temperature data; a fire extinguishing agent control module, configured to control the fire extinguishing agent to be sprayed at preset intervals based on the amount of the fire extinguishing agent used; Monitoring module, used to monitor the battery cell temperature and smoke concentration after injection; The secondary injection triggering module is used to trigger the secondary injection if the battery cell temperature and smoke concentration increase.

9. An electronic device, characterized in that: It includes a processor and a memory, the memory stores computer-executable instructions that can be executed by the processor, and the processor executes the computer-executable instructions to implement the fire-fighting action control method of liquid-cooled energy storage according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that The computer-readable storage medium stores computer-executable instructions. When the computer-executable instructions are called and executed by the processor, the computer-executable instructions prompt the processor to implement the fire-fighting action control method for liquid-cooled energy storage according to any one of claims 1 to 7.

Images