Energy storage power station and power system

Abstract

The utility model provides an energy storage power station and a power system, and the energy storage power station comprises a fire-fighting room which stores a fire-fighting medium; the fire-fighting room is arranged adjacent to the area where the at least two energy storage devices are located, each energy storage device comprises a first fire-fighting module, at least two energy storage modules and at least two current transformation modules, and the energy storage modules and the current transformation modules are arranged in a one-to-one correspondence mode; the fire-fighting room is connected with the first fire-fighting modules in the energy storage devices through corresponding fire-fighting pipelines used for being buried underground, and the first fire-fighting modules are configured to perform fire-fighting treatment on the at least two energy storage modules and the at least two variable flow modules based on a fire-fighting medium; a plurality of pressure sensing modules are arranged on the fire fighting pipeline at intervals, and the pressure sensing modules are configured to detect the pressure in the fire fighting pipeline. Based on the mode, the cost of fire-fighting treatment in the energy storage power station can be reduced.

Description

Technical Field

[0001] This application relates to the field of energy storage technology, and in particular to energy storage power stations and power systems. Background Technology

[0002] With the development of the times, energy storage modules (such as lithium batteries and other modules with energy storage capabilities) have been widely used in power systems that include energy storage power stations or other types of sites. It is usually necessary to configure corresponding fire-fighting equipment for energy storage modules so that fire-fighting media can be sprayed onto the energy storage modules to carry out corresponding fire-fighting treatment in the event of a fire.

[0003] However, each existing energy storage module is equipped with corresponding fire-fighting equipment, and each fire-fighting device is configured to perform fire-fighting treatment on the corresponding energy storage module. Therefore, the number of fire-fighting devices that need to be installed and the amount of fire-fighting medium stored in each fire-fighting device are both large, resulting in high fire-fighting treatment costs. Utility Model Content

[0004] The main technical problem addressed by this application is to provide an energy storage power station and power system that can reduce the cost of fire protection in the energy storage power station.

[0005] In a first aspect, this application provides an energy storage power station, comprising: a fire-fighting room storing fire-fighting media; at least two energy storage devices, the fire-fighting room being adjacent to the area where the at least two energy storage devices are located, each energy storage device including a first fire-fighting module, at least two energy storage modules, and at least two converter modules, with each energy storage module and converter module corresponding to one another; the fire-fighting room is connected to the first fire-fighting module in each energy storage device via corresponding fire-fighting pipes for underground installation; the first fire-fighting module is configured to perform fire-fighting treatment on the at least two energy storage modules and at least two converter modules based on the fire-fighting media; wherein, multiple pressure sensing modules are spaced apart on the fire-fighting pipes, and the pressure sensing modules are configured to detect the pressure within the fire-fighting pipes.

[0006] In the technical solution of this application embodiment, the fire room can be connected to the first fire-fighting module in the corresponding energy storage device through fire-fighting pipes buried underground. The first fire-fighting module can be configured to perform fire-fighting treatment on its respective energy storage module and converter module based on the fire-fighting medium provided by the fire room. The fire room is shared by multiple energy storage devices containing multiple energy storage modules and multiple converter modules. Through corresponding control strategies, the fire-fighting medium in the fire room can be delivered to any energy storage module or converter module in any energy storage device for corresponding fire-fighting treatment. Since multiple energy storage devices or multiple energy storage modules or converter modules in each energy storage device usually do not need to perform fire-fighting treatment at the same time, it is not necessary to configure a total of fire-fighting medium in the fire room that can meet the needs of all energy storage modules or converter modules to perform fire-fighting treatment at the same time. This reduces the total amount of fire-fighting medium to be stored while ensuring that there is enough fire-fighting medium required for fire-fighting treatment. It also reduces the possibility of excessive costs caused by storing too much fire-fighting medium that expires and is not used, thereby reducing the cost of fire-fighting treatment in the energy storage power station. Furthermore, the pressure sensor module can detect whether the pressure in the fire-fighting pipeline is normal. The detection result of whether the pressure is normal can determine whether there is a leak in the fire-fighting pipeline. When a leak is detected, appropriate measures can be taken in time to reduce the waste of fire-fighting media and reduce the cost of fire-fighting treatment in the energy storage power station.

[0007] In some embodiments, the fire-fighting pipeline is equipped with a corresponding on / off valve.

[0008] In the technical solution of this application embodiment, the fire room can be connected to the first fire module in the corresponding energy storage device through the switch valves on multiple fire pipelines. The first fire module can be configured to perform fire treatment on its respective energy storage module and converter module based on the fire medium provided by the fire room. The fire room is shared by multiple energy storage devices containing multiple energy storage modules and multiple converter modules. Through the corresponding control strategy, the fire medium in the fire room can be delivered to any energy storage module or converter module in any energy storage device for corresponding fire treatment. Since multiple energy storage devices or multiple energy storage modules or converter modules in each energy storage device usually do not need to perform fire treatment at the same time, it is not necessary to configure a total of fire medium in the fire room that can meet the needs of all energy storage modules or converter modules to perform fire treatment at the same time. This reduces the total amount of fire medium to be stored while ensuring that there is enough fire medium required for fire treatment, and reduces the possibility of excessive costs caused by storing too much fire medium but not using it due to expiration. This reduces the cost of fire treatment in the energy storage power station.

[0009] In some embodiments, within the energy storage device, the first fire-fighting module is connected to each energy storage module and each converter module via corresponding switching valves.

[0010] In the technical solution of this application embodiment, the fire room can be connected to the first fire-fighting module in the corresponding energy storage device through fire-fighting pipes. The first fire-fighting module can also be connected to the corresponding energy storage module or converter module through multiple switching valves. The first fire-fighting module can be configured to perform fire-fighting treatment on its respective energy storage module and converter module based on the fire-fighting medium provided by the fire room. The fire room is shared by multiple energy storage devices containing multiple energy storage modules and multiple converter modules. Through corresponding control strategies, the fire-fighting medium in the fire room can be delivered to any energy storage module or converter module in any energy storage device for corresponding fire-fighting treatment. Since multiple energy storage devices or multiple energy storage modules or converter modules in each energy storage device usually do not need to perform fire-fighting treatment at the same time, it is not necessary to configure a total of fire-fighting medium in the fire room that can meet the needs of all energy storage modules or converter modules to perform fire-fighting treatment at the same time. This reduces the total amount of fire-fighting medium to be stored while ensuring that there is enough fire-fighting medium required for fire-fighting treatment. It also reduces the possibility of excessive costs caused by storing too much fire-fighting medium that expires and is not used, thereby reducing the cost of fire-fighting treatment in the energy storage power station.

[0011] In some embodiments, multiple flow control valves and / or multiple on / off valves are spaced apart on the fire-fighting pipeline.

[0012] In the technical solution of this application embodiment, when a fire pipeline leaks, at least two flow control valves or switching valves can be shut off, thereby reducing the amount of fire-fighting medium wasted due to the leak, reducing the waste of fire-fighting medium, and lowering the cost of fire-fighting treatment in the energy storage power station.

[0013] In some embodiments, the energy storage module or converter module in the energy storage device transmits electrical energy to external equipment via cables; the fire protection pipe is installed in the cable trench where the cable is located, and multiple second fire protection modules are installed at intervals on the fire protection pipe, the second fire protection modules being configured to perform fire protection treatment on the cable based on fire protection media.

[0014] In the technical solution of this application embodiment, the fire-fighting pipe can be installed in the cable trench where the cable is located. When the cable temperature is too high due to fault or other reasons, it can be determined that the cable needs fire-fighting treatment. At this time, the fire-fighting medium can be delivered to the cable through the second fire-fighting module on the fire-fighting pipe to reduce the temperature of the cable, reduce cable loss, and improve the reliability of the energy storage power station.

[0015] In some embodiments, multiple temperature sensing modules are spaced apart on the fire protection pipe, and the temperature sensing modules are configured to detect the temperature of the cable.

[0016] In the technical solution of this application embodiment, the fire-fighting pipeline can be installed in the cable trench where the cable is located, and multiple temperature sensing modules can be installed at intervals on the fire-fighting pipeline. The temperature sensing modules can detect the temperature of the cable. When the cable temperature is too high due to fault or other reasons, it can be determined that the cable needs fire-fighting treatment. At this time, the second fire-fighting module on the fire-fighting pipeline can deliver fire-fighting medium to the cable to reduce the temperature of the cable, reduce cable loss, and improve the reliability of the energy storage power station.

[0017] In some embodiments, the energy storage device further includes a fire sensor module; the fire room includes a monitoring module, which is connected to the fire sensor module in each energy storage device and each switch valve.

[0018] In the technical solution of this application embodiment, each energy storage device can be equipped with a corresponding fire-fighting sensor module. The fire-fighting sensor module can detect whether there is a situation in the energy storage device that requires fire-fighting treatment. If the monitoring module detects that there is a situation in the energy storage device that requires fire-fighting treatment through the fire-fighting sensor module, it can control the first fire-fighting module in the energy storage device that requires fire-fighting treatment to carry out the corresponding fire-fighting treatment, stop the loss in time, reduce the loss of the energy storage device, and improve the reliability of the energy storage power station.

[0019] In some embodiments, the fire sensing module includes at least one of a smoke sensor, a temperature sensor, and a combustible gas sensor.

[0020] In the technical solution of this application embodiment, each energy storage device may be equipped with a corresponding fire-fighting sensing module. The fire-fighting sensing module may include at least one of a smoke sensor, a temperature sensor, and a combustible gas sensor. The fire-fighting sensing module can detect whether there is a situation requiring fire-fighting treatment in the energy storage device, such as excessive smoke, excessively high temperature, or excessively dense combustible gas. If the monitoring module detects at least one of the above situations in the energy storage device through the fire-fighting sensing module, it can control the first fire-fighting module in the energy storage device that requires fire-fighting treatment to perform corresponding fire-fighting treatment, stop losses in time, reduce the loss of the energy storage device, and improve the reliability of the energy storage power station.

[0021] Secondly, this application provides a power system including the aforementioned energy storage power station.

[0022] It is understandable that the beneficial effects of the second aspect mentioned above can be found in the relevant descriptions in the first aspect mentioned above, and will not be repeated here.

[0023] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of one or more embodiments of the energy storage power station provided in this application.

[0026] Figure 2 This is a second schematic diagram of the structure of one or more embodiments of the energy storage power station provided in this application.

[0027] Figure 3 The third of one structural schematic diagrams of one or more embodiments of the energy storage power station provided in this application.

[0028] Figure 4 A schematic diagram of the structure of one or more embodiments of the power system provided in this application.

[0029] Attached reference numerals: 11, fire room; 12, energy storage device; 121, first fire protection module; 122, energy storage module; 123, converter module; 124, switch valve; 20, power system; 21, energy storage power station; 22, substation; 23, power consumption station. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0031] Unless otherwise defined, 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 pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0032] In the description of the embodiments of this application, technical terms such as "first" and "second" are only configured to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary and secondary relationship of the indicated technical features.

[0033] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0034] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0035] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0036] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0037] With the development of the times, energy storage modules (such as lithium batteries and other modules with energy storage capabilities) have been widely used in energy storage power stations or other types of power systems. It is usually necessary to configure corresponding fire-fighting equipment for energy storage modules so that fire-fighting media can be sprayed onto the energy storage modules to carry out corresponding fire-fighting treatment in the event of a fire.

[0038] However, each existing energy storage module is equipped with corresponding fire-fighting equipment, which is configured to perform fire-fighting treatment on the corresponding energy storage module. Therefore, each energy storage device needs to be equipped with a sufficient amount of fire-fighting medium for fire-fighting treatment. This results in a large number of fire-fighting devices to be installed and a large amount of fire-fighting medium stored in each device. Typically, within the shelf life of the fire-fighting medium, only a small number of energy storage devices will require fire-fighting treatment, or even none at all. This leads to a large amount of fire-fighting medium that needs to be discarded after each shelf life, resulting in high fire-fighting treatment costs.

[0039] Based on the above considerations, this application provides an energy storage power station and power system. The energy storage power station includes: a fire-fighting room storing fire-fighting media; at least two energy storage devices, each including a first fire-fighting module, at least two energy storage modules, and at least two converter modules. The energy storage modules and converter modules are configured in a one-to-one correspondence. The fire-fighting room is connected to the first fire-fighting module within each energy storage device via corresponding switching valves. The first fire-fighting module is configured to perform fire-fighting treatment on at least two energy storage modules and at least two converter modules based on the fire-fighting media. This approach reduces the cost of fire-fighting treatment in the energy storage power station.

[0040] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of one or more embodiments of the energy storage power station provided in this application. Figure 2 This is a second schematic diagram of the structure of one or more embodiments of the energy storage power station provided in this application.

[0041] like Figure 1 and Figure 2 As shown, the energy storage power station includes a fire room 11 and at least two energy storage devices 12.

[0042] Fire room 11 stores fire-fighting media.

[0043] The fire room 11 is located adjacent to the area where at least two energy storage devices 12 are located. Each energy storage device 12 includes a first fire protection module 121, at least two energy storage modules 122, and at least two power conversion modules 123. The energy storage modules 122 and power conversion modules 123 are arranged in a one-to-one correspondence. The fire room 11 is connected to the first fire protection module 121 in each energy storage device 12 through corresponding fire protection pipes for underground installation. The first fire protection module 121 is configured to perform fire protection treatment on at least two energy storage modules 122 and at least two power conversion modules 123 based on fire protection media.

[0044] Multiple pressure sensing modules are installed at intervals on the fire-fighting pipeline, and these modules are configured to detect the pressure inside the fire-fighting pipeline.

[0045] Specifically, the energy storage module can be a prefabricated module for an energy storage battery system, or other types of modules with energy storage capabilities; no specific limitation is made here.

[0046] The area where at least two energy storage devices 12 are located can specifically refer to the maintenance and distribution area in an energy storage power station. The energy storage device 12 can specifically refer to an energy storage container or other types of devices with energy storage capabilities, which are not limited here.

[0047] Firefighting pipelines can be buried underground, thereby transmitting firefighting media through underground space, reducing the surface space or surface area required for fire room 11 and its associated equipment or appliances.

[0048] The first fire protection module 121 can specifically refer to the transmission pipeline that connects the fire room 11 and the corresponding energy storage module 122 or converter module 123 respectively. The transmission pipeline can be connected to each energy storage module 122 and each converter module 123 respectively.

[0049] The first fire protection module 121 can be configured to control the fire protection medium received from the fire room 11 and deliver it to any one of the energy storage modules 122 and the converter modules 123, so as to realize the fixed-point fire protection treatment, reduce the waste of fire protection medium and reduce the possibility of damage to intact modules due to fire protection medium, and improve the reliability of fire protection treatment.

[0050] Furthermore, since the fire-fighting medium in the fire room 11 can be transported to any module in any energy storage device 12 through each first fire-fighting module 121, the fire-fighting medium can be promptly called for fire-fighting treatment when any module is on fire or other situations requiring fire-fighting treatment occur. Generally speaking, all modules in all energy storage devices 12 will not simultaneously require fire-fighting treatment. Therefore, compared to the traditional technology that requires all modules to be individually configured with a sufficient amount of fire-fighting medium for fire-fighting treatment, the energy storage power station structure of the technical solution of this application only needs to store a smaller amount of fire-fighting medium in the fire room 11 compared to the traditional technology. By allowing all energy storage devices 12 to share the fire room 11, the amount of fire-fighting medium that needs to be stored at the same time is reduced.

[0051] Based on the above method, by having multiple energy storage devices 12 share the fire room 11, centralized fire protection can be achieved, thereby achieving the following effects:

[0052] First, since the fire room 11 is shared by multiple energy storage devices 12, there is no need to store fire-fighting media that can simultaneously supply all energy storage devices 12 for fire-fighting treatment. Only a relatively small amount of fire-fighting media needs to be kept in reserve. When any energy storage device 12 experiences an abnormal situation, the reserved fire-fighting media can be called to the corresponding location for fire-fighting treatment. Furthermore, since the fire-fighting media kept in the fire room 11 is relatively small, the amount of unused expired fire-fighting media that needs to be discarded after the expiration of each fire-fighting media in the fire room 11 is reduced, thereby reducing the waste of fire-fighting media and thus reducing the cost of fire-fighting treatment in the energy storage power station.

[0053] Secondly, since only a fire room 11 shared by multiple energy storage devices 12 is required, the energy consumption required by the energy storage devices to keep the fire room 11 running is much smaller than the energy consumption required by each module of fire-fighting equipment in traditional technology. This reduces the energy required by the auxiliary power source of the power system and improves energy utilization.

[0054] Furthermore, since the fire room 11 is shared by multiple energy storage devices 12, and the fire room 11 and the area where the energy storage devices 12 are located are adjacent, the efficiency of the fire-fighting medium in the fire room 11 reaching any energy storage device 12 can be improved, thereby improving the timeliness of fire-fighting treatment of energy storage devices 12 that have abnormal conditions, thereby reducing hardware losses and improving the reliability of the energy storage power station.

[0055] In addition, at least one pressure sensing module can be installed at intervals within the fire-fighting pipeline. The pressure sensing module is configured to detect the liquid or gas pressure in each pipeline section. If the liquid or gas pressure in one or more pipeline sections is low, it can be determined that the fire-fighting pipeline has leaked. At this time, the valves at both ends of the pipeline section with the lowest liquid or gas pressure, which is closest to the normal liquid or gas pressure, can be shut off or other remedial measures can be taken to reduce the amount of fire-fighting medium wasted from the leaking pipeline section, and further reduce the cost of fire-fighting treatment in the energy storage power station.

[0056] In this application, the fire room can be connected to the first fire-fighting module in the corresponding energy storage device through fire-fighting pipes buried underground. The first fire-fighting module can be configured to perform fire-fighting treatment on its respective energy storage module and converter module based on the fire-fighting medium provided by the fire room. The fire room is shared by multiple energy storage devices containing multiple energy storage modules and multiple converter modules. Through corresponding control strategies, the fire-fighting medium in the fire room can be delivered to any energy storage module or converter module in any energy storage device for corresponding fire-fighting treatment. Since multiple energy storage devices or multiple energy storage modules or converter modules in each energy storage device usually do not need to perform fire-fighting treatment at the same time, it is not necessary to configure a total of fire-fighting medium in the fire room that can meet the needs of all energy storage modules or converter modules to perform fire-fighting treatment at the same time. This reduces the total amount of fire-fighting medium that needs to be stored while ensuring that there is enough fire-fighting medium required for fire-fighting treatment. It also reduces the possibility of excessive costs caused by storing too much fire-fighting medium that expires and is not used, thereby reducing the cost of fire-fighting treatment in the energy storage power station. Furthermore, the pressure in the fire-fighting pipeline can be detected by a pressure sensing module to determine whether the pressure is normal. The detection result of whether the pressure is normal can determine whether there is a leak in the fire-fighting pipeline. In the event of a leak in the fire-fighting pipeline, at least two flow control valves or switching valves can be shut off to reduce the amount of fire-fighting medium wasted due to the leak, thereby reducing the waste of fire-fighting medium and lowering the cost of fire-fighting treatment in the energy storage power station.

[0057] In some embodiments, a corresponding on / off valve 124 is provided on the fire protection pipeline.

[0058] Specifically, the switch valve 124 between the first fire protection module 121 and the fire room 11 can be installed on the fire protection pipeline.

[0059] In this application, the fire room can be connected to the first fire-fighting module in the corresponding energy storage device through the switch valves on multiple fire-fighting pipelines. The first fire-fighting module can be configured to perform fire-fighting treatment on its respective energy storage module and converter module based on the fire-fighting medium provided by the fire room. The fire room is shared by multiple energy storage devices containing multiple energy storage modules and multiple converter modules. Through corresponding control strategies, the fire-fighting medium in the fire room can be delivered to any energy storage module or converter module in any energy storage device for corresponding fire-fighting treatment. Since multiple energy storage devices or multiple energy storage modules or converter modules in each energy storage device usually do not need to perform fire-fighting treatment at the same time, it is not necessary to configure a total of fire-fighting medium in the fire room that can meet the needs of all energy storage modules or converter modules to perform fire-fighting treatment at the same time. This reduces the total amount of fire-fighting medium that needs to be stored while ensuring that there is enough fire-fighting medium required for fire-fighting treatment. It also reduces the possibility of excessive costs caused by storing too much fire-fighting medium that expires and is not used, thereby reducing the cost of fire-fighting treatment in the energy storage power station.

[0060] In some embodiments, please refer to Figure 3 , Figure 3 The third schematic diagram of one or more embodiments of the energy storage power station provided in this application is shown below. Figure 3 As shown, within the energy storage device 12, the first fire-fighting module 121 is connected to each energy storage module 122 and each converter module 123 via corresponding switching valves 124.

[0061] Specifically, the switching valve 124 can refer to a solenoid valve or other types of valves with switching capabilities, without limitation here.

[0062] The first fire protection module 121 is the aforementioned transmission pipeline, which is connected to each energy storage module 122 and each converter module 123 through corresponding switch valves 124.

[0063] When it is necessary to deliver fire-fighting medium to any module that needs fire-fighting treatment, the switch valve 124 between the fire room 11 and the first fire-fighting module 121 of the energy storage device 12 where the module that needs fire-fighting treatment is located can be opened, and the switch valve 124 between the module that needs fire-fighting treatment in the energy storage device 12 and the first fire-fighting module 121 can also be opened. This allows the fire room 11 to deliver fire-fighting medium to any module through the control strategy of the corresponding switch valve 124, so as to carry out the corresponding fire-fighting treatment in a timely manner, thereby improving the utilization rate of fire-fighting medium and the timeliness of fire-fighting treatment.

[0064] In this application, the fire room can be connected to the first fire-fighting module in the corresponding energy storage device through fire-fighting pipelines. The first fire-fighting module can also be connected to the corresponding energy storage module or converter module through multiple switching valves. The first fire-fighting module can be configured to perform fire-fighting treatment on its respective energy storage module and converter module based on the fire-fighting medium provided by the fire room. The fire room is shared by multiple energy storage devices containing multiple energy storage modules and multiple converter modules. Through corresponding control strategies, the fire-fighting medium in the fire room can be delivered to any energy storage module or converter module in any energy storage device for corresponding fire-fighting treatment. Since multiple energy storage devices or multiple energy storage modules or converter modules in each energy storage device usually do not need to perform fire-fighting treatment at the same time, it is not necessary to configure a total fire-fighting medium in the fire room that can meet the needs of all energy storage modules or converter modules to perform fire-fighting treatment at the same time. This reduces the total amount of fire-fighting medium to be stored while ensuring sufficient fire-fighting medium for fire-fighting treatment, and reduces the possibility of excessive costs due to storing too much fire-fighting medium that expires and is not used. This reduces the cost of fire-fighting treatment in the energy storage power station.

[0065] In some embodiments, multiple flow control valves and / or multiple on / off valves 124 are provided at intervals on the fire protection pipeline.

[0066] Specifically, the flow control valve can be configured to control the flow rate of the liquid or gas flowing through it, for example, to control the flow rate to a minimum or zero, while the on / off valve 124 can be configured to open or close the flow of liquid or gas at its two ends.

[0067] In this application, when a fire-fighting pipeline leaks, at least two flow control valves or switching valves can be shut off, thereby reducing the amount of fire-fighting medium wasted due to the leak, reducing the waste of fire-fighting medium, and lowering the cost of fire-fighting treatment in the energy storage power station.

[0068] Optionally, at least one pressure sensing module can be installed at the location of each pipeline segment between two flow control valves or switching valves 124. The pressure sensing module is configured to detect the liquid pressure or gas pressure in each pipeline segment. If the liquid pressure or gas pressure in one or more pipeline segments is low, it can be determined that there is a leak in the fire protection pipeline. At this time, the valves at both ends of the pipeline segment with the low liquid pressure or gas pressure closest to the normal liquid pressure or gas pressure can be closed to reduce the amount of fire protection medium wasted from the leaking pipeline segment, and further reduce the cost of fire protection in the energy storage power station.

[0069] In this application, the pressure in the fire-fighting pipeline can be detected by a pressure sensing module to determine whether the pressure is normal. The detection result of whether the pressure is normal can determine whether the fire-fighting pipeline has leaked. Furthermore, when the fire-fighting pipeline leaks, at least two flow control valves or switching valves can be shut off to reduce the amount of fire-fighting medium wasted due to the leak, thereby reducing the waste of fire-fighting medium and lowering the cost of fire-fighting treatment in the energy storage power station.

[0070] In some embodiments, the energy storage module 122 or the converter module 123 in the energy storage device 12 transmits electrical energy to external equipment via cables.

[0071] The fire protection pipes are installed in the cable trench where the cable is located, and multiple second fire protection modules are installed at intervals on the fire protection pipes. The second fire protection modules are configured to perform fire protection treatment on the cable based on the fire protection medium.

[0072] Specifically, in conventional technology, cable trenches are only configured to store cables, and the electrical energy stored in the energy storage device 12 can be transmitted through the cable to the power system outside the energy storage power station to supply power to external equipment. In the technical solution of this application, the fire-fighting pipes mentioned are also set in the cable trench, and multiple second fire-fighting modules (e.g., nozzles) capable of outputting (e.g., spraying) fire-fighting media to the cables are set on the fire-fighting pipes.

[0073] The second fire protection module can promptly fire the cable output fire protection medium when a fire occurs on the cable or other situations requiring fire protection are encountered, reducing cable loss, increasing the likelihood of intact cables maintaining normal operation, thereby improving the likelihood of normal operation of the power system and enhancing the reliability of the energy storage power station.

[0074] In this application, fire-fighting pipes can be installed in the cable trench where the cable is located. When the cable temperature becomes too high due to faults or other reasons, it can be determined that the cable needs fire-fighting treatment. At this time, fire-fighting medium can be delivered to the cable through the second fire-fighting module on the fire-fighting pipe to reduce the temperature of the cable, reduce cable loss, and improve the reliability of the energy storage power station.

[0075] Optionally, multiple temperature sensing modules are installed at intervals on the fire protection pipeline, and the temperature sensing modules are configured to detect the temperature of the cable.

[0076] Specifically, the temperature sensing module may include infrared temperature sensors. Multiple infrared temperature sensors on the fire duct can determine the sections of the cable that require fire protection. This allows the system to control a second fire protection module on the fire duct to perform fire protection on those sections of the cable, thereby reducing cable damage and improving the reliability of the energy storage power station.

[0077] In this application, fire-fighting pipelines can be installed in the cable trench where the cable is located, and multiple temperature sensing modules can be installed at intervals on the fire-fighting pipelines. The temperature sensing modules can detect the temperature of the cable. When the cable temperature is too high due to faults or other reasons, it can be determined that the cable needs fire-fighting treatment. At this time, fire-fighting medium can be delivered to the cable through the second fire-fighting module on the fire-fighting pipeline to reduce the temperature of the cable, reduce cable loss, and improve the reliability of the energy storage power station.

[0078] In some embodiments, based on the aforementioned embodiment where a corresponding switching valve 124 is provided on the fire-fighting pipeline, the energy storage device 12 further includes a fire-fighting sensing module.

[0079] The fire room 11 includes a monitoring module, which is connected to the fire sensor module in each energy storage device 12 and each switch valve 124.

[0080] Specifically, a monitoring module can refer to a module with information processing capabilities, such as a microprocessor or other types of information processing modules, without limitation here.

[0081] At least one fire sensor module can be installed in the energy storage device 12. The fire sensor module can detect whether there is a fire or other situation requiring fire protection in the corresponding energy storage device 12. Based on the detection result, the monitoring module can determine whether it is necessary to deliver fire protection medium to the corresponding module for fire protection. If necessary, the switch valve 124 corresponding to the energy storage device 12 that needs fire protection can be opened on the fire pipeline, so that the fire protection medium can be delivered to the energy storage device 12 that needs fire protection through the fire pipeline for corresponding fire protection.

[0082] By setting up fire sensing and monitoring modules, the timeliness of responding to fires or other situations requiring firefighting can be improved, further enhancing the reliability of the power system.

[0083] In this application, each energy storage device can be equipped with a corresponding fire-fighting sensor module. The fire-fighting sensor module can detect whether there is a situation in the energy storage device that requires fire-fighting treatment. If the monitoring module detects that there is a situation in the energy storage device that requires fire-fighting treatment through the fire-fighting sensor module, it can control the first fire-fighting module in the energy storage device that requires fire-fighting treatment to carry out the corresponding fire-fighting treatment, stop the loss in time, reduce the loss of the energy storage device, and improve the reliability of the energy storage power station.

[0084] Optionally, the fire sensing module includes at least one of a smoke sensor, a temperature sensor, and a combustible gas sensor.

[0085] Specifically, the fire sensing module may include one or more of smoke sensors, temperature sensors, combustible gas sensors, and other types of sensors configured for fire detection.

[0086] In practice, fire protection sensing modules may include at least two of the following: smoke sensors, temperature sensors, and combustible gas sensors.

[0087] The monitoring module can collect and analyze the fire detection results sent by each fire sensor module in real time. In response to the detection that at least two of the fire detection results of the fire sensor modules in the energy storage device 12 are abnormal, it can be determined that there is a situation in the energy storage device 12 that requires fire treatment. At this time, fire protection media can be called from the fire room 11 to carry out fire treatment on the modules in the energy storage device 12 that require fire treatment.

[0088] In this application, each energy storage device may be equipped with a corresponding fire-fighting sensor module. The fire-fighting sensor module may include at least one of a smoke sensor, a temperature sensor, and a combustible gas sensor. The fire-fighting sensor module can detect whether there is a situation requiring fire-fighting treatment in the energy storage device, such as excessive smoke, excessively high temperature, or excessively dense combustible gas. If the monitoring module detects at least one of the above situations in the energy storage device through the fire-fighting sensor module, it can control the first fire-fighting module in the energy storage device that requires fire-fighting treatment to carry out the corresponding fire-fighting treatment, stop the loss in time, reduce the loss of the energy storage device, and improve the reliability of the energy storage power station.

[0089] Please refer to Figure 4 , Figure 4 A schematic diagram of the structure of one or more embodiments of the power system provided in this application, such as Figure 4 As shown, the power system 20 includes an energy storage power station 21, a substation 22, and a power consumption station 23. The energy storage power station 21 can be any of the energy storage power stations described in the previous embodiments, which will not be repeated here.

[0090] Specifically, substation 22 may be a conversion station configured to perform current conversion, and / or voltage conversion, and / or AC / DC conversion, and power consumption station 23 may be a power-consuming factory, or a power-consuming community, or a power-consuming office building, or other types of power-consuming area, which is not limited here.

[0091] The energy storage power station 21 can be connected to the substation 22 via a corresponding transmission cable, and the substation 22 can be connected to the power consumption station 23 via a corresponding transmission cable. This allows the power consumption station 23 to store electrical energy in the energy storage power station 21 or to obtain electrical energy from the energy storage power station 21 through the power transmission line. The specific method can be determined according to actual needs and is not limited here.

[0092] In this application, the fire room can be connected to the first fire-fighting module in the corresponding energy storage device through fire-fighting pipes buried underground. The first fire-fighting module can be configured to perform fire-fighting treatment on its respective energy storage module and converter module based on the fire-fighting medium provided by the fire room. The fire room is shared by multiple energy storage devices containing multiple energy storage modules and multiple converter modules. Through corresponding control strategies, the fire-fighting medium in the fire room can be delivered to any energy storage module or converter module in any energy storage device for corresponding fire-fighting treatment. Since multiple energy storage devices or multiple energy storage modules or converter modules in each energy storage device usually do not need to perform fire-fighting treatment at the same time, it is not necessary to configure a total of fire-fighting medium in the fire room that can meet the needs of all energy storage modules or converter modules to perform fire-fighting treatment at the same time. This reduces the total amount of fire-fighting medium that needs to be stored while ensuring that there is enough fire-fighting medium required for fire-fighting treatment. It also reduces the possibility of excessive costs caused by storing too much fire-fighting medium that expires and is not used, thereby reducing the cost of fire-fighting treatment in the energy storage power station.

[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An energy storage power station, characterized in that, include: A fire room, which stores fire-fighting media; At least two energy storage devices are provided, and the fire room is located adjacent to the area where the at least two energy storage devices are located. Each energy storage device includes a first fire protection module, at least two energy storage modules, and at least two power conversion modules. The energy storage modules and the power conversion modules are arranged in a one-to-one correspondence. The fire room is connected to the first fire protection module in each of the energy storage devices through corresponding fire protection pipes for underground installation. The first fire protection module is configured to perform fire protection treatment on the at least two energy storage modules and the at least two power conversion modules based on the fire protection medium. The fire-fighting pipeline is provided with multiple pressure sensing modules at intervals, and the pressure sensing modules are configured to detect the pressure inside the fire-fighting pipeline.

2. The energy storage power station according to claim 1, characterized in that, The fire-fighting pipeline is equipped with corresponding switch valves.

3. The energy storage power station according to claim 1 or 2, characterized in that, Within the energy storage device, the first fire-fighting module is connected to each of the energy storage modules and each of the converter modules via corresponding switching valves.

4. The energy storage power station according to claim 1 or 2, characterized in that, The fire-fighting pipeline is equipped with multiple flow control valves and / or multiple on / off valves at intervals.

5. The energy storage power station according to claim 1 or 2, characterized in that, The energy storage module or the converter module in the energy storage device transmits electrical energy to external equipment via cables; The fire-fighting pipe is installed in the cable trench where the cable is located, and multiple second fire-fighting modules are installed at intervals on the fire-fighting pipe. The second fire-fighting modules are configured to perform fire-fighting treatment on the cable based on the fire-fighting medium.

6. The energy storage power station according to claim 5, characterized in that, Multiple temperature sensing modules are installed at intervals on the fire-fighting pipeline, and the temperature sensing modules are configured to detect the temperature of the cable.

7. The energy storage power station according to claim 2, characterized in that, The energy storage device also includes a fire-fighting sensor module; The fire room includes a monitoring module, which is connected to the fire sensor module in each of the energy storage devices and each of the switch valves.

8. The energy storage power station according to claim 7, characterized in that, The fire protection sensing module includes at least one of a smoke sensor, a temperature sensor, and a combustible gas sensor.

9. An electric power system, characterized in that, Including the energy storage power station as described in any one of claims 1 to 8.

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