Energy storage fire extinguishing protection system

Abstract

The utility model discloses a kind of energy storage fire extinguishing protection systems, it is related to fire extinguishing equipment technical field, including medicament tank, the medicament tank is connected with conveying pipe, the conveying pipe is equipped with the cluster level fire extinguishing mechanism of extinguishing fire to each battery pack, the conveying pipe is equipped with the warehouse level fire extinguishing mechanism of extinguishing fire to energy storage warehouse. When a single battery pack in a cluster in energy storage equipment appears fire phenomenon, cluster level fire extinguishing mechanism works and conveys the medicament in medicament tank to specified battery pack position through conveying pipe, to carry out fire extinguishing work to single battery pack in a cluster, when multiple battery packs of energy storage equipment occur fire, warehouse level fire extinguishing mechanism works and conveys the medicament in medicament tank to energy storage equipment through conveying pipe to carry out overall fire extinguishing work, whole fire extinguishing not only can carry out fire extinguishing work to overall equipment, but also to performance single battery pack in energy storage equipment carries out fire extinguishing work, and practicality is higher.

Description

Technical Field

[0001] This utility model relates to the field of fire extinguishing equipment technology, and in particular to an energy storage fire extinguishing and protection system. Background Technology

[0002] Liquid-cooled energy storage battery systems have advantages such as small footprint, good cooling effect, and high system efficiency, which have a positive impact on system performance. Since 2022, they have become an industry trend, and their market share has been increasing significantly year by year. At present, the centralized procurement of central and state-owned enterprises mainly focuses on liquid-cooled solutions. Therefore, liquid-cooled solutions are gradually becoming the mainstream energy storage solution.

[0003] For example, CN113941106A, published on January 18, 2022, discloses a battery pack fire extinguishing system, including a fire extinguishing agent storage device, a main spray pipeline, and a pressure balancing valve. The fire extinguishing agent storage device stores the fire extinguishing agent. The main spray pipeline is used to introduce the fire extinguishing agent into the battery pack. The two ends of the pressure balancing valve are connected to the fire extinguishing agent storage device and the main spray pipeline, respectively. When the pressure in the main spray pipeline decreases to trigger the pressure balancing valve, the pressure balancing valve opens. The fire extinguishing agent storage device and the main spray pipeline are then connected. However, in use, the fire extinguishing equipment disclosed above cannot target individual battery packs when a fire occurs, resulting in poor practicality. Summary of the Invention

[0004] The purpose of this invention is to provide an energy storage fire extinguishing and protection system with better fire extinguishing effect. This invention uses a compartment-level fire extinguishing mechanism and a cluster-level fire extinguishing mechanism to extinguish fires in all batteries and individual battery packs within the entire energy storage device, making it more practical.

[0005] To achieve the above objectives, the technical solution adopted by this utility model to solve its technical problem is: an energy storage fire extinguishing and protection system, including a chemical tank, a delivery pipe connected to the chemical tank, a cluster-level fire extinguishing mechanism for extinguishing fires in each battery pack on the delivery pipe, and a chamber-level fire extinguishing mechanism for extinguishing fires in the energy storage chamber on the delivery pipe.

[0006] The cluster-level fire extinguishing mechanism includes a second solenoid valve connected to a delivery pipe. The second solenoid valve is connected to a multi-stage puncture valve. The multi-stage puncture valve is provided with at least two vertical pipes. The ends of the vertical pipes are provided with flame-retardant pipes, and the flame-retardant pipes are provided with first atomizing nozzles.

[0007] The silo-level fire extinguishing mechanism includes an intermediate pipe connected to the delivery pipe, a second atomizing nozzle on the intermediate pipe, and a third solenoid valve between the intermediate pipe and the delivery pipe.

[0008] The delivery pipe is connected to the second solenoid valve via a three-way valve II, and the delivery pipe is connected to the intermediate pipe via a three-way valve I.

[0009] The second solenoid valve is connected to the multi-stage puncture valve via an installation pipe.

[0010] The vertical pipe is connected to the flame-retardant pipe via an elbow.

[0011] The medicine container is equipped with a first solenoid valve, which is connected to the delivery pipe, and a pressure gauge is installed on the first solenoid valve.

[0012] The first solenoid valve is equipped with a connecting hose, which is connected to the delivery pipe through a connecting pipe.

[0013] The medicine container is equipped with a mounting bracket.

[0014] The beneficial effects of this utility model are: When a single battery pack in a cluster of energy storage devices catches fire, the cluster-level fire suppression system delivers the fire extinguishing agent from the tank to the designated battery pack location via a delivery pipe, thereby extinguishing the fire in that single battery pack within the cluster. When multiple battery packs in an energy storage device catch fire, the chamber-level fire suppression system delivers the fire extinguishing agent from the tank to the entire energy storage device via a delivery pipe, enabling comprehensive fire suppression. This comprehensive fire suppression system can not only extinguish fires on the entire device but also target individual battery packs within the energy storage device, making it more practical. Through modular design, the problem of rapid replacement of fire extinguishing and protection systems between standard and non-standard containers is fundamentally solved, reducing maintenance costs, simplifying maintenance procedures, increasing the efficiency of rectification between standard and non-standard containers, and integrating three layers of fire extinguishing and protection into one, which more effectively suppresses fires, reduces losses, and indirectly improves system response speed and fire extinguishing reliability, thus extending the operational stability of the energy storage system while ensuring safety. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the energy storage fire extinguishing and protection system of this utility model.

[0016] Figure 2 for Figure 1 A partial structural diagram.

[0017] Figure 3 for Figure 1 A partial structural diagram.

[0018] In the attached diagram: 1-Agent container, 2-First solenoid valve, 3-Pressure gauge, 4-Connecting hose, 5-Connecting pipe, 6-Delivery pipe, 7-Second solenoid valve, 8-Multi-port puncture valve (any combination), 9-Vertical pipe, 10-Flame-retardant pipe, 11-First atomizing nozzle, 12-Third solenoid valve, 13-Intermediate pipe, 14-Second atomizing nozzle, 15-Mounting bracket, 16-Elbow, 17-Tee I, 18-Tee II, 19-Mounting pipe. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0021] like Figure 1 As shown, the energy storage fire extinguishing and protection system includes a chemical tank 1, which is connected to a delivery pipe 6. The delivery pipe 6 is equipped with a cluster-level fire extinguishing mechanism for extinguishing fires in each battery pack and a chamber-level fire extinguishing mechanism for extinguishing fires in the energy storage chamber. Specifically, the delivery pipe 6 is U-shaped and has eight cluster-level fire extinguishing mechanisms. Each cluster-level fire extinguishing mechanism extinguishes fires in the battery packs placed from top to bottom. Specifically, the chemical agent in the chemical tank 1 is perfluorohexanone.

[0022] In use, when a single battery pack in a cluster of energy storage devices catches fire, the cluster-level fire extinguishing mechanism delivers the agent from the agent tank 1 to the designated battery pack location via the delivery pipe 6, thereby extinguishing the fire in that single battery pack within the cluster. When multiple battery packs in the energy storage device catch fire, the chamber-level fire extinguishing mechanism delivers the agent from the agent tank 1 to the energy storage device via the delivery pipe 6 for overall fire extinguishing. This comprehensive fire extinguishing system can not only extinguish the fire on the entire device but also target individual battery packs within the energy storage device, making it more practical.

[0023] The cluster-level fire extinguishing mechanism includes a second solenoid valve 7 connected to the delivery pipe 6. A multi-pronged puncture valve 8 is connected to the second solenoid valve 7. The multi-pronged puncture valve 8 has at least two vertical pipes 9, with flame-retardant pipes 10 at the ends of the vertical pipes 9. A first atomizing nozzle 11 is provided on the flame-retardant pipe 10. When the second solenoid valve 7 operates, the agent in the delivery pipe 6 enters the multi-pronged puncture valve 8. When different battery packs catch fire, the designated valves on the multi-pronged puncture valve 8 open, and the agent enters the first atomizing nozzle 11 through the vertical pipes 9 and the flame-retardant pipes 10. The first atomizing nozzle 11 atomizes the agent and sprays it out for fire extinguishing. Specifically, the second solenoid valve 7 is model YCH21-15A-GSV, and the multi-pronged puncture valve 8 is model CP8-CD01-QY. In this embodiment, the multi-pronged puncture valve 8 has eight vertical pipes 9, with the lengths of the eight vertical pipes decreasing sequentially, thereby enabling the flame-retardant pipes 10 at the ends of the eight vertical pipes 9 to extinguish battery packs of different heights.

[0024] The chamber-level fire extinguishing mechanism includes an intermediate pipe 13 connected to the delivery pipe 6. The intermediate pipe 13 is equipped with a second atomizing nozzle 14. A third solenoid valve 12 is installed between the intermediate pipe 13 and the delivery pipe 6. When the third solenoid valve 12 is activated, it guides the agent in the delivery pipe 6 into the intermediate pipe 13. The agent is atomized and sprayed out through the second atomizing nozzle 14 on the intermediate pipe 13, thereby performing overall fire extinguishing work inside the entire energy storage device chamber. Specifically, the third solenoid valve 12 is model YCH21-15A-GSV. Three second atomizing nozzles 14 are installed on the intermediate pipe 13. The intermediate pipe 13 is located in the middle of the U-shaped delivery pipe 6, thereby ensuring that the intermediate pipe 13 stably performs fire extinguishing work on the entire battery pack inside the chamber.

[0025] Specifically, the delivery pipe 6 is connected to the second solenoid valve 7 via a tee II18, thereby ensuring that the second solenoid valve 7 and the delivery pipe 6 are connected. The delivery pipe 6 is connected to the intermediate pipe 13 via a tee I17, thereby ensuring that the delivery pipe 6 and the intermediate pipe 13 are connected. The tee II18 is bonded to the delivery pipe 6 and threaded to the second solenoid valve 7. The tee I17 is threaded to the delivery pipe 6 and the intermediate pipe 13.

[0026] The second solenoid valve 7 is connected to the multi-port puncture valve 8 through the mounting pipe 19, thereby ensuring a stable connection between the second solenoid valve 7 and the multi-port puncture valve 8. Specifically, the mounting pipe 19 is threadedly connected to the second solenoid valve 7 and the multi-port puncture valve 8.

[0027] The vertical pipe 9 is connected to the flame-retardant pipe 10 through the elbow 16, thereby ensuring a stable connection between the flame-retardant pipe 10 and the vertical pipe 9, and thus ensuring the stable installation of the vertical pipe 9 and the flame-retardant pipe 10 in the energy storage device. Specifically, the flame-retardant pipe 10 is a flexible hose, which facilitates the adjustment of the position of the first atomizing nozzle 11, ensuring that the first atomizing nozzle 11 performs fire extinguishing work on the battery pack. The elbow 16 is threadedly connected to the vertical pipe 9 and the flame-retardant pipe 10.

[0028] The medicine tank 1 is equipped with a first solenoid valve 2, which is connected to the delivery pipe 6. The first solenoid valve 2 is equipped with a pressure gauge 3. The first solenoid valve 2 is used to control whether the delivery pipe 6 contains medicine. When the first solenoid valve 2 is working, the medicine in the medicine tank 1 enters the delivery pipe 6. The pressure gauge 3 detects the pressure of the medicine in the medicine tank 1. In this embodiment, the first solenoid valve 2 is model YCH21-15A-GSV.

[0029] The first solenoid valve 2 is equipped with a connecting hose 4, which is connected to the delivery pipe 6 via a connecting pipe 5. The connection hose 4 facilitates the stable connection between the first solenoid valve 2 on the medicine tank 1 and the delivery pipe 6 after the medicine tank 1 is installed in different positions.

[0030] The medicine container 1 is equipped with a mounting bracket 15 to enable the installation of the medicine container 1. Specifically, the mounting bracket 15 is welded to the outside of the medicine container 1.

[0031] The diameters of the delivery pipe 6, vertical pipe 9, and flame-retardant pipe 10 gradually decrease, thereby increasing the pressure of the agent and ensuring that the pressure of the agent sprayed meets the requirements.

[0032] The multi-stage puncture valve 8 is installed on the top of the energy storage device by four screws, on the outer side, for easy installation and subsequent inspection and maintenance; the delivery pipe 6 is suspended on the top of the energy storage device by a pipe support.

[0033] In summary, when the fire extinguishing device of this application is in use, the energy storage fire extinguishing protection system has three layers of protection: the compartment level, the cluster level, and the pack level. The cluster level and the pack level work together to extinguish fires through the cluster level fire extinguishing mechanism. When the entire compartment catches fire, the compartment level fire extinguishing mechanism works to extinguish fires within the entire energy storage device. The cluster level and the pack level can be switched at will. When any pack in any cluster experiences thermal runaway, any valve of the second solenoid valve 7 and the multi-pronged puncture valve 8 of the corresponding cluster level opens, thus achieving pack level protection. When all packs in any cluster experience thermal runaway, the second solenoid valve 7 and the multi-pronged puncture valve 8 of the corresponding cluster level open, thus achieving cluster protection. When any cluster or pack experiences thermal runaway, only the corresponding valve opens, while other cluster level valves remain normally closed. This reduces the amount of agent in the storage pipeline, increases the dosage of the agent used, and also increases the spray pressure, thereby improving the spraying effect.

[0034] Specifically, the first solenoid valve 2 operates to allow the agent in the agent tank 1 to enter the delivery pipe 6. The pressure gauge 3 detects the pressure of the agent in the agent tank 1. When the battery pack catches fire, the second solenoid valve 7 operates to allow the agent in the delivery pipe 6 to enter the multi-port puncture valve 8. When different battery packs catch fire, the designated valves on the multi-port puncture valve 8 open, and the agent enters the first atomizing nozzle 11 through the vertical pipe 9 and the flame-retardant pipe 10. The agent is then atomized and sprayed out through the first atomizing nozzle 11 to extinguish the fire. The third solenoid valve 12 operates to guide the agent in the delivery pipe 6 into the intermediate pipe 13. The agent is then atomized and sprayed out through the second atomizing nozzle 14 on the intermediate pipe 13, thereby carrying out overall fire extinguishing work inside the entire energy storage device.

[0035] This utility model provides a fire protection system for energy storage that integrates cabin-level, cluster-level, and pack-level systems. Through modular design, it fundamentally solves the problem of rapid replacement of standard and non-standard fire protection systems, reduces maintenance costs, reduces maintenance procedures, increases the efficiency of rectification of standard and non-standard systems, and integrates three layers of fire protection into one, which more effectively suppresses fires, reduces losses, and indirectly improves system response speed and fire extinguishing reliability, thereby extending the operational stability of the energy storage system while ensuring safety.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An energy storage fire extinguishing and protection system, characterized in that, It includes a chemical tank (1), which is connected to a delivery pipe (6). The delivery pipe (6) is equipped with a cluster-level fire extinguishing mechanism for extinguishing fires in each battery pack and a warehouse-level fire extinguishing mechanism for extinguishing fires in the energy storage compartment.

2. The energy storage fire extinguishing and protection system according to claim 1, characterized in that, The cluster-level fire extinguishing mechanism includes a second solenoid valve (7) connected to the delivery pipe (6). The second solenoid valve (7) is connected to a multi-stage puncture valve (8). The multi-stage puncture valve (8) is provided with at least two vertical pipes (9). The end of the vertical pipe (9) is provided with a flame-retardant pipe (10). The flame-retardant pipe (10) is provided with a first atomizing nozzle (11).

3. The energy storage fire extinguishing and protection system according to claim 2, characterized in that, The silo-level fire extinguishing mechanism includes an intermediate pipe (13) connected to the delivery pipe (6), a second atomizing nozzle (14) is provided on the intermediate pipe (13), and a third solenoid valve (12) is provided between the intermediate pipe (13) and the delivery pipe (6).

4. The energy storage fire extinguishing and protection system according to claim 3, characterized in that, The delivery pipe (6) is connected to the second solenoid valve (7) through a three-way valve II (18), and the delivery pipe (6) is connected to the intermediate pipe (13) through a three-way valve I (17).

5. The energy storage fire extinguishing and protection system according to claim 2, characterized in that, The second solenoid valve (7) is connected to the multi-stage puncture valve (8) through the mounting pipe (19).

6. The energy storage fire extinguishing and protection system according to claim 2, characterized in that, The vertical pipe (9) is connected to the flame-retardant pipe (10) through an elbow (16).

7. The energy storage fire extinguishing and protection system according to any one of claims 1-6, characterized in that, The medicine tank (1) is equipped with a first solenoid valve (2), which is connected to the delivery pipe (6). The first solenoid valve (2) is equipped with a pressure gauge (3).

8. The energy storage fire extinguishing and protection system according to claim 7, characterized in that, The first solenoid valve (2) is provided with a connecting hose (4), which is connected to the delivery pipe (6) through a connecting pipe (5).

9. The energy storage fire extinguishing and protection system according to claim 7, characterized in that, The medicine container (1) is equipped with a mounting bracket (15).

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