Air-breathing detection system for fire-fighting monitoring of battery compartment

Abstract

The utility model discloses an air-breathing detection system for battery compartment fire-fighting monitoring. The air-breathing detection system comprises a detection module and a plurality of groups of air supply pipelines, the detection module comprises a main shell, an inner shell, an air suction fan and a gas detector, and a shell cavity is formed in the main shell; the inner shell is installed at one end of the shell cavity, and an air inlet face and an air outlet face are formed in the inner shell. A plurality of air inlet pipes are arranged on the air inlet surface at intervals, the outer end of each air inlet pipe penetrates out of the main shell from the shell cavity and is correspondingly connected with an air supply pipeline, and the interior of the inner shell is communicated with any number of battery packs through the air supply pipelines; an air outlet for communicating the interior of the inner shell with the shell cavity is formed in the air outlet surface; the air suction fan is installed in the inner shell, and an air outlet of the air suction fan corresponds to the air outlet. And the gas detector is mounted at the other end of the shell cavity. The number of detectors in the whole fire extinguishing system can be reduced, and the overall cost is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of battery compartment fire monitoring systems, and in particular to an air-breathing detection system for battery compartment fire monitoring. Background Technology

[0002] In recent years, with the continuous development of lithium battery technology, battery energy storage systems have become increasingly important in the power system. A battery energy storage system consists of multiple battery packs, and with the continuous construction and application of energy storage stations, the safety of energy storage systems is receiving increasing attention.

[0003] Prefabricated containerized energy storage systems primarily use perfluorohexanone (PFH) as a fire extinguishing agent. Each battery pack contains a detector to monitor it. When the detector detects a fire signal, the fire suppression system will release the agent onto the corresponding battery pack, battery cluster, or the entire battery compartment based on the detected signal.

[0004] However, this type of fire protection system requires a detector in each battery pack to detect thermal runaway, which greatly increases the number of detectors in the entire system and raises the overall cost. Utility Model Content

[0005] The purpose of this invention is to provide an air-breathing detection system for fire monitoring of battery compartments.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A suction-type detection system for fire monitoring of a battery compartment includes a detection module and several sets of air supply pipes. The detection module includes a main housing, an inner housing, a suction fan, and a gas detector. The main housing has a cavity inside. The inner housing is installed at one end of the cavity and has an air inlet surface and an air outlet surface. Several air inlet pipes are spaced apart on the air inlet surface. The outer end of each air inlet pipe extends from the cavity to the outside of the main housing and is connected to a corresponding air supply pipe, which connects the interior of the inner housing to any number of battery packs. An air outlet is provided on the air outlet surface to connect the interior of the inner housing to the cavity.

[0008] The suction fan is installed inside the inner shell, and the air outlet of the suction fan is set to correspond to the air outlet. The suction fan draws gas from the battery pack and discharges it into the shell cavity. The gas detector is installed at the other end of the shell cavity to detect the concentration of smoke or harmful gases in the gas.

[0009] As a further technical solution of this utility model: the main housing is provided with a power switch, a cycle operation light and an alarm light on its front side.

[0010] As a further technical solution of this utility model: the gas detector includes a probe, a gas detection host and a signal shield, the probe is arranged opposite to the gas outlet; the gas detection host is electrically connected to the probe; the signal shield is placed on the gas detection host.

[0011] As a further technical solution of this utility model: both the main shell and the inner shell are rectangular.

[0012] As a further technical solution of this utility model: the air inlet surface is located at the top of the inner shell, and the air outlet surface is located on the side of the inner shell facing the gas detector.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This utility model proposes an air-breathing detection system for fire monitoring of battery compartments. Through the cooperation between the detection module and several sets of air supply pipes, it can simultaneously detect the thermal runaway of multiple battery packs, effectively reducing the number of detectors in the entire fire protection system and reducing the overall cost. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of an air-breathing detection system used for fire monitoring of the battery compartment.

[0015] Figure 2 This is a diagram of the interior of the main housing of the probe module.

[0016] Figure 3 This is a schematic diagram of the interior of the inner casing and the gas detection host. Detailed Implementation

[0017] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of protection of this utility model.

[0018] Please see Figure 1 , Figure 2 and Figure 3 An air-breathing detection system for fire monitoring of a battery compartment includes a detection module 10 and several sets of air supply pipes 20.

[0019] The detection module 10 includes a main housing 11, an inner housing 12, an air intake fan 13, and a gas detector 14. The main housing 11 has a cavity 101 inside. The inner housing 12 is installed at one end of the cavity 101 and has an air inlet surface 121 and an air outlet surface 122. The air inlet surface 121 is provided with a plurality of air inlet pipes 123 spaced apart. The outer end of each air inlet pipe 123 extends from the cavity 101 to the outside of the main housing 11 and is connected to a corresponding air supply pipe 20. The air supply pipe 20 connects the interior of the inner housing 12 to any number of battery packs. The air outlet surface 122 has an air outlet 124 that connects the interior of the inner housing 12 to the cavity 101.

[0020] The suction fan 13 is installed inside the inner shell 12, and the air outlet of the suction fan 13 is correspondingly set with the air outlet 124. The suction fan 13 draws the gas out of the battery pack and discharges it into the shell cavity 101. The gas detector 14 is installed at the other end of the shell cavity 101 to detect the concentration of smoke or harmful gas in the gas. When the detected value exceeds the standard, it sends a signal and alarm to the outside.

[0021] Furthermore, in this embodiment, both the main housing 11 and the inner housing 12 are rectangular.

[0022] Furthermore, in this embodiment, the air inlet surface 121 is disposed on the top of the inner housing 12, and the air outlet surface 122 is disposed on the side of the inner housing 12 facing the gas detector 14.

[0023] Furthermore, in this embodiment, the main housing 11 is provided with a power switch 111, a cycle operation light 112 and an alarm light 113 on its front side.

[0024] Furthermore, in this embodiment, the gas detector 14 includes a detector head 141, a gas detection host 142, and a signal shield 143. The detector head 141 is disposed opposite to the gas outlet 124. The gas detection host 142 is disposed above the detector head 141 and is electrically connected to the detector head 141. The signal shield 143 covers the gas detection host 142.

[0025] Understandably, the method of using the air-suction detection system for fire monitoring of battery compartments according to this utility model is as follows: After a number of air inlet pipes 123 of a detection module 10 are connected to a preset number of battery packs through a number of air supply pipes 20, the power switch 111 is pressed to start the air intake fan 13 and the gas detector 14. The air intake fan 13 draws gas from the battery pack and discharges it into the shell cavity 101. The gas detector 14 detects the concentration of smoke or harmful gases in the gas. It can detect the thermal runaway of multiple battery packs at the same time, effectively reducing the number of detectors in the entire fire protection system and reducing the overall cost.

[0026] In summary, the air-breathing detection system for fire monitoring of battery compartments of this utility model, through the cooperation between the detection module 10 and several sets of air supply pipes 20, can simultaneously detect the thermal runaway of multiple battery packs, effectively reducing the number of detectors in the entire fire protection system and reducing the overall cost.

[0027] Any combination of different embodiments of this utility model, provided it does not violate the inventive concept of this utility model, shall be considered as the disclosure of this utility model; any simple modifications to the technical solution and any combination of different embodiments within the scope of the inventive concept of this utility model, without violating the inventive concept of this utility model, shall be within the protection scope of this utility model.

Claims

1. A suction-type detection system for fire monitoring of a battery compartment, characterized in that: It includes a detection module (10) and several sets of air supply pipes (20); the detection module (10) includes a main housing (11), an inner housing (12), an intake fan (13), and a gas detector (14), the main housing (11) having a cavity (101) inside; the inner housing (12) is installed at one end of the cavity (101), and the inner housing (12) has an air inlet surface (121) and an air outlet surface (122); the air inlet surface (121) 121) Several air inlet pipes (123) are provided at intervals on the upper part. The outer end of each air inlet pipe (123) extends from the shell cavity (101) to the outside of the main shell (11) and is connected to a corresponding air supply pipe (20). The air supply pipe (20) connects the inside of the inner shell (12) to any number of battery packs. The air outlet surface (122) is provided with an air outlet (124) that connects the inside of the inner shell (12) to the shell cavity (101). The suction fan (13) is installed inside the inner shell (12), and the air outlet of the suction fan (13) is set in correspondence with the air outlet (124). The suction fan (13) draws the gas out of the battery pack and discharges it into the shell cavity (101). The gas detector (14) is installed at the other end of the shell cavity (101) to detect the concentration of smoke or harmful gas in the gas.

2. The aspirating detection system for fire monitoring of battery compartments according to claim 1, characterized in that: The main housing (11) has a power switch (111), a cycle operation light (112), and an alarm light (113) on its front side.

3. The aspirating detection system for fire monitoring of battery compartments according to claim 1, characterized in that: The gas detector (14) includes a detector head (141), a gas detection host (142), and a signal shield (143). The detector head (141) is arranged opposite to the gas outlet (124). The gas detection host (142) is electrically connected to the detector head (141). The signal shield (143) covers the gas detection host (142).

4. The aspirating detection system for fire monitoring of battery compartments according to claim 1, characterized in that: Both the main shell (11) and the inner shell (12) are rectangular.

5. The aspirating detection system for fire monitoring of battery compartments according to claim 1, characterized in that: The air inlet surface (121) is located on the top of the inner housing (12), and the air outlet surface (122) is located on the side of the inner housing (12) facing the gas detector (14).

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