Multi-stage pressure relief fireproof bulkhead structure for energy storage container

Abstract

The utility model discloses a multistage pressure relief fireproof bulkhead structure for energy storage container relates to new energy battery technical field, including cabin, baffle, sealing plate, pressure relief valve, open and close structure, the cabin is provided with a plurality of energy storage installation position, and the both sides of every energy storage installation position is provided with baffle, is provided with ventilating fan and open and close structure on the baffle, open and close structure is influenced by the change of temperature and controls ventilating fan, the front of energy storage installation position is provided with sealing plate, opens ventilating fan, and the gas in energy storage installation position realizes convection through ventilating fan, closes ventilating fan, realizes energy storage installation position seal, and is provided with pressure relief valve on sealing plate. Can effectively discharge combustible gas, can maintain battery heat dissipation balance again.

Description

Technical Field

[0001] This utility model belongs to the field of new energy battery technology, and specifically relates to a multi-stage pressure relief and fireproof compartment structure for energy storage containers. Background Technology

[0002] Energy storage containers store and release electrical energy through battery systems, providing stable support for energy supply. However, battery thermal runaway issues seriously affect their safety.

[0003] During thermal runaway, the battery releases a large amount of flammable gases (such as hydrogen, methane, etc.), which can easily cause deflagration when exposed to open flames or high temperatures, and may even lead to container fires, causing serious safety accidents and property damage.

[0004] Existing technologies typically employ a sealed battery enclosure with a pressure relief valve to release flammable gases and reduce the risk of explosion. However, this approach has a significant drawback: the sealed environment of the battery enclosure reduces heat dissipation performance, potentially exacerbating the risk of battery thermal runaway.

[0005] Therefore, a multi-stage depressurization and fireproof compartment structure is required for energy storage containers. Utility Model Content

[0006] The purpose of this invention is to provide a multi-stage pressure relief and fireproof compartment structure for energy storage containers, which can effectively release combustible gases while maintaining battery heat dissipation balance. The specific technical solution is as follows:

[0007] The energy storage container uses a multi-stage pressure relief fireproof compartment structure, including a compartment body, partitions, sealing plates, pressure relief valves, and an opening and closing structure. Multiple energy storage installation positions are provided within the compartment body. Each energy storage installation position has partitions on both sides. Each partition has a ventilation fan and an opening and closing structure. The opening and closing structure controls the ventilation fan in response to temperature changes. A sealing plate is provided on the front of each energy storage installation position. When the ventilation fan is open, gas in the energy storage installation position convects through the ventilation fan. When the ventilation fan is closed, the energy storage installation position is sealed. A pressure relief valve is provided on the sealing plate.

[0008] Preferably, the opening and closing structure includes a rotating shaft, a rotating handle, a temperature control component, and a torsion spring; the ventilation fan is connected to the rotating shaft, the two ends of the rotating shaft are equipped with rotating handles, the rotating handles are connected to the partition through the torsion springs, and a temperature control component is provided between the rotating handles and the partition to keep the ventilation fan in the open state.

[0009] Preferably, the cabin body is provided with an installation groove, which is connected to the installation location of the rotating handle.

[0010] Preferably, the temperature control component is a wax block.

[0011] Preferably, the bottom surface of the sealing plate is mounted on the cabin via a hinge.

[0012] Preferably, the partition is provided with a locking groove, and the ventilation fan is provided with a locking plate that cooperates with the locking groove.

[0013] Preferably, the locking groove and the locking plate are magnetically connected.

[0014] Preferably, the locking plate is provided with a sealing strip.

[0015] Preferably, the cabin includes a first pipe and a second pipe. The first pipe is disposed in the middle of the cabin, one end of the second pipe is connected to the first pipe, and the other end is connected to the pressure relief valve. The exhaust port of the first pipe is located outside the upper surface of the cabin.

[0016] Preferably, the cabin further includes a back plate and a support plate, the back plate being disposed opposite to the sealing plate, and the support plate being installed between the back plate and the sealing plate for supporting the energy storage battery. The support plate, the partition plate, the back plate, and the sealing plate together form the energy storage mounting position.

[0017] Compared with existing technologies, this utility model has the following beneficial effects:

[0018] This invention features a heat dissipation device on one side of the cabin, which cools the cabin using air cooling. A ventilator fan is rotatably mounted on the partition; when horizontal, it is open, allowing cool air to enter the cabin, pass through the ventilator fan into the energy storage mounting position, cooling the energy storage battery, and then exit from a ventilator fan on the other side of the energy storage mounting position, achieving air convection. When vertical, the ventilator fan is closed, creating a sealed chamber for the energy storage mounting position. In the event of thermal runaway of the energy storage battery, this sealed state facilitates the pressure relief valve in expelling flammable gases released by the battery from the cabin, reducing risk. Specifically, the opening and closing mechanism closes the ventilator fan on the energy storage mounting position when the ambient temperature reaches a preset value, creating a sealed space to provide an environment for the pressure relief valve. This effectively discharges flammable gases while maintaining battery heat dissipation balance. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. The elements or parts in the drawings are not necessarily drawn to scale.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0021] Figure 2 This is a structural diagram of the internal structure of the cabin of this utility model.

[0022] Figure 3 This is a structural diagram of the energy storage installation position of this utility model.

[0023] Figure 4 This is a back structure diagram of this utility model.

[0024] Figure 5 This is a structural diagram of the mounting slot in this utility model.

[0025] Figure 6 This is a structural diagram of the ventilation fan of this utility model.

[0026] Explanation of key figure labels:

[0027] 1. Cabin; 101. Support plate; 102. Back plate; 2. Bulkhead; 201. Locking plate; 202. Locking groove; 3. Sealing plate; 4. Pressure relief valve; 401. First pipe; 402. Second pipe; 5. Heat dissipation device; 6. Ventilation fan; 601. Shaft; 602. Rotating handle; 603. Temperature control component; 604. Mounting groove. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Next, the working principle of this embodiment will be described in detail so that those skilled in the art can better understand this utility model:

[0030] Reference Figure 1-6 This utility model provides a multi-stage pressure relief fireproof compartment structure for energy storage containers, including a compartment body 1, a partition 2, a sealing plate 3, a pressure relief valve 4, and an opening and closing structure. The compartment body 1 has multiple energy storage installation positions. Each energy storage installation position has a partition 2 on both sides. The partition 2 is equipped with a ventilation fan 6 and an opening and closing structure. The opening and closing structure controls the ventilation fan 6 based on temperature changes. The front of each energy storage installation position has a sealing plate 3. When the ventilation fan 6 is opened, the gas in the energy storage installation position convects through the ventilation fan 6. When the ventilation fan 6 is closed, the energy storage installation position is sealed. The sealing plate 3 is equipped with a pressure relief valve 4.

[0031] The energy storage mounting position is used to install energy storage batteries. A heat dissipation device 5 is installed on one side of the cabin 1. The heat dissipation device 5 cools the cabin 1 through air cooling. A ventilation fan 6 is rotatably mounted on the partition 2. When in a horizontal position, it is in the open state. When cold air enters the cabin 1, it enters the energy storage mounting position through the ventilation fan 6 to cool the energy storage batteries, and then flows out from the ventilation fan 6 on the other side of the energy storage mounting position to achieve air convection. When the ventilation fan 6 is in a vertical position, it is in the closed state. In the closed state, the energy storage mounting position is a sealed chamber. In the event of thermal runaway of the energy storage battery, the sealed state facilitates the pressure relief valve 4 to discharge the flammable gas released by the battery into the cabin 1, reducing the risk. The opening and closing structure closes the ventilation fan 6 on the energy storage mounting position when the ambient temperature reaches a preset value, creating a sealed space to provide an environment for the pressure relief valve 4. In one implementation, the opening and closing structure includes a rotating shaft 601, a rotating handle 602, a temperature control component 603, and a torsion spring. The ventilation fan 6 is connected to the rotating shaft 601, and rotating handles 602 are installed at both ends of the rotating shaft 601. The rotating handles 602 are connected to the partition 2 via torsion springs. A temperature control component 603 is disposed between the rotating handle 602 and the partition 2 to keep the ventilation fan 6 in the open state. The temperature control component 603 engages with the rotating handle 602, keeping the ventilation fan 6 horizontal. When the temperature in the energy storage installation position reaches a preset value, the temperature control component 603 deforms, and the rotating handle returns to a vertical state via the torsion spring, meaning the ventilation fan 6 is in the closed state. The temperature control component 603 can be a wax block, rubber, or a low-melting-point metal, etc. The temperature control component 603 is solid at room temperature, engaging the rotating handle 602. Upon reaching the preset temperature, it melts or deforms significantly, failing to fix the rotating handle 602.

[0032] Furthermore, a mounting slot 604 is provided on the back of the cabin 1, which connects to the mounting location of the rotating handle 602. This arrangement allows the user to easily adjust the rotating handle 602 to control the opening and closing degree of the ventilation fan 6. Also, after the ventilation fan 6 is turned off, a new temperature control component 603 can be reinstalled through the mounting slot 604.

[0033] In one embodiment of this utility model, the partition 2 is provided with a locking groove 202, and the vent fan 6 is provided with a locking plate 201 that cooperates with the locking groove 202. This arrangement increases the complexity of the passageway between the vent fan 6 and the partition 2, improving the sealing of the energy storage mounting position when the vent fan 6 is closed, and increasing the venting efficiency of the pressure relief valve 4. Furthermore, the increased contact surface also increases the friction between the vent fan 6 and the partition 2, preventing the vent fan 6 from being reopened by the impact of flammable gas released from the battery. In one implementation, the locking groove 202 and the locking plate 201 are magnetically connected, further enhancing the sealing of the energy storage mounting position. Additionally, the locking plate 201 is provided with a sealing strip, also further improving the sealing of the energy storage mounting position.

[0034] In this embodiment, the cabin 1 includes a first pipe 401 and a second pipe 402. The first pipe 401 is located in the middle of the cabin 1. One end of the second pipe 402 is connected to the first pipe 401, and the other end is connected to the pressure relief valve 4. The exhaust port of the first pipe 401 is located outside the upper surface of the cabin 1. This arrangement allows for centralized installation of the pressure relief valve 4 and its piping, improving installation efficiency.

[0035] In this embodiment, the cabin 1 further includes a back plate 102 and a support plate 101. The back plate 102 is disposed opposite to the sealing plate 3. The support plate 101 is installed between the back plate 102 and the sealing plate 3 to support the energy storage battery. The support plate 101, the partition 2, the back plate 102 and the sealing plate 3 enclose the energy storage installation position.

[0036] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A multi-stage depressurization and fireproof compartment structure for energy storage containers, characterized in that, The device includes a cabin (1), a partition (2), a sealing plate (3), a pressure relief valve (4), and an opening and closing structure. The cabin (1) is provided with multiple energy storage installation positions. Each energy storage installation position is provided with a partition (2) on both sides. The partition (2) is provided with a ventilation fan (6) and an opening and closing structure. The opening and closing structure is affected by temperature changes and controls the ventilation fan (6). The front of the energy storage installation position is provided with a sealing plate (3). When the ventilation fan (6) is turned on, the gas in the energy storage installation position is convected through the ventilation fan (6). When the ventilation fan (6) is turned off, the energy storage installation position is sealed. The sealing plate (3) is provided with a pressure relief valve (4).

2. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 1, characterized in that, The opening and closing structure includes a rotating shaft (601), a rotating handle (602), a temperature control component (603), and a torsion spring; the ventilation fan (6) is connected to the rotating shaft (601), and rotating handles (602) are installed at both ends of the rotating shaft (601). The rotating handles (602) are connected to the partition (2) through the torsion spring. A temperature control component (603) is provided between the rotating handle (602) and the partition (2) to keep the ventilation fan (6) in the open state.

3. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 2, characterized in that, An installation groove (604) is provided on the back of the cabin (1), and the installation groove (604) is connected to the installation location of the rotating handle (602).

4. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 2, characterized in that, The temperature control component (603) is a wax block.

5. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 4, characterized in that, The bottom surface of the sealing plate (3) is mounted on the cabin (1) via a hinge.

6. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 2, characterized in that, The partition (2) is provided with a locking groove (202), and the ventilation fan (6) is provided with a locking plate (201) that cooperates with the locking groove (202).

7. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 6, characterized in that, The locking groove (202) and the locking plate (201) are magnetically connected.

8. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 7, characterized in that, A sealing strip is provided on the locking plate (201).

9. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 1, characterized in that, The cabin (1) includes a first pipe (401) and a second pipe (402). The first pipe (401) is located in the middle of the cabin (1). One end of the second pipe (402) is connected to the first pipe (401), and the other end is connected to the pressure relief valve (4). The exhaust port of the first pipe (401) is located outside the upper surface of the cabin (1).

10. The multi-stage depressurization and fireproof compartment structure for energy storage containers according to claim 1, characterized in that, The cabin (1) also includes a back plate (102) and a support plate (101). The back plate (102) is disposed opposite to the sealing plate (3). The support plate (101) is installed between the back plate (102) and the sealing plate (3) for supporting the energy storage battery. The support plate (101), the partition (2), the back plate (102) and the sealing plate (3) together form the energy storage installation position.

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