Energy storage container top explosion venting plate drainage device and energy storage container
By designing drainage channels and extension channels on the top of the explosion-proof plate drainage device, the problem of water accumulation on the explosion-proof plate is solved, the sealing performance and service life are improved, and the stability and safety of the container are enhanced.
Patent Information
- Application Number
- CN202520070788.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The explosion relief plate on the top of the energy storage container is prone to water accumulation and cannot be effectively drained, resulting in a decrease in sealing performance and affecting service life and safety.
Design a drainage device for the explosion relief plate on the top of an energy storage container, including a base, an explosion relief plate, and drainage components. By setting drainage channels and extension channels, accumulated water is guided and discharged, ensuring the sealing performance and safety of the explosion relief plate.
It effectively drains water around the explosion relief plate, prevents damage, improves sealing performance, extends service life, and enhances the stability and safety of the container.
Smart Images

Figure CN223836273U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of solar cell manufacturing technology, and in particular to a drainage device for a top explosion relief plate of an energy storage container and an energy storage container. Background Technology
[0002] With the increasing global demand for clean energy, the importance of energy storage technology is becoming increasingly prominent. Among various energy storage devices, energy storage containers have become an important component of energy storage systems due to their superior performance and convenient installation. However, in the practical application of energy storage containers, the installation and use of explosion venting panels are crucial aspects in order to meet NFPA 855 (the National Fire Protection Association's safety standard for energy storage systems) and NFPA 68 (the National Fire Protection Association's standard for explosion venting devices).
[0003] The problem is particularly pronounced when the explosion-proof panel is located on top of the energy storage container. When energy storage containers are used outdoors, the top explosion-proof panel faces numerous challenges. First, due to the diverse climate conditions at project sites, the top explosion-proof panel may be subject to erosion from rain, snow, hail, and other natural environmental factors. This erosion not only damages the panel material but may also affect its sealing performance, thereby reducing the overall safety of the energy storage container.
[0004] Furthermore, environmental factors such as rainwater can cause corrosion on the surface of the explosion relief panels, thus affecting their service life. During long-term use, severely corroded explosion relief panels may fail to meet the requirements of NFPA 855 and NFPA 68 standards, leading to a decline in the safety performance of the energy storage container. Simultaneously, damage to the top explosion relief panels and sealing issues can trigger a series of chain reactions, such as moisture ingress into internal equipment and short circuits, posing safety hazards to the energy storage system. Utility Model Content
[0005] The purpose of this invention is to solve the problem that the explosion relief plate on the top of the energy storage container in the prior art is prone to water accumulation and cannot be drained.
[0006] In a first aspect, this utility model provides a drainage device for a top explosion relief plate of an energy storage container, comprising:
[0007] Base;
[0008] An explosion relief plate is placed on the base and fixedly connected to the base;
[0009] A drainage assembly, comprising a base plate and side plates, wherein the side plates are respectively placed vertically on the side edges of the base plate;
[0010] The base is placed on the bottom plate, and the side plate surrounds the base and the explosion relief plate, forming a drainage groove between the side plate and the base and the explosion relief plate;
[0011] At least one extension groove is provided on one side of the base plate, the extension groove being connected to the drainage groove and extending away from the base.
[0012] Furthermore, the bottom plate has a hollowed-out center to form an inner side edge;
[0013] The base includes a support member, which is arranged in a rectangular frame, with its bottom edge fixedly connected to the inner side.
[0014] The top edge of the support extends horizontally in all directions to form a connector.
[0015] Furthermore, the explosion relief plate includes a main body and a flange extending horizontally from the edge of the main body, the flange being fixedly connected to the base via the connector.
[0016] Furthermore, the extension groove is disposed at a position on the base plate corresponding to the drainage groove, so that the extension groove corresponds to and is connected to the drainage groove.
[0017] Furthermore, the width of the extension groove is greater than the width of the drainage groove.
[0018] Furthermore, the base and the drainage assembly are integrally formed.
[0019] Furthermore, there are three side plates, which are respectively placed on the three adjacent sides of the base plate; the extension groove is placed on the side of the base where no side plates are provided.
[0020] Furthermore, the inner surface of the extension groove is inclined downward in a direction away from the base.
[0021] Furthermore, the depth of the extension groove is 55mm-80mm.
[0022] Secondly, this utility model also provides an energy storage container, which adopts the explosion-proof drainage device on the top of the energy storage container as described in any of the preceding claims. The energy storage container is provided with an installation groove and a top longitudinal beam.
[0023] The mounting slot is placed on top of the energy storage container, and the top longitudinal beam connects the mounting slot and the side wall of the energy storage container.
[0024] The explosion relief plate drainage device on the top of the energy storage container is placed in the mounting groove, and the extension groove of the explosion relief plate drainage device on the top of the energy storage container is placed below the top longitudinal beam and fixedly connected to the top longitudinal beam.
[0025] Furthermore, the length of the extension groove is the same as the width of the top longitudinal beam.
[0026] Compared to existing technologies, this invention offers at least the following advantages: By incorporating a drainage assembly, including a base plate, side plates, and drainage channels, it effectively guides and drains accumulated water around the explosion-proof plate, preventing damage. The design of the base and drainage assembly minimizes the space occupied by the drainage system without affecting the main usable space inside the container. The formation of drainage channels and extension channels ensures that water can be quickly drained even under extreme weather conditions, thereby improving the safety of the explosion-proof plate and the overall stability of the container. The drainage device design helps keep the explosion-proof plate dry, thus improving its sealing performance and extending its service life. Attached Figure Description
[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0028] Figure 1 This is a schematic diagram of the explosion relief plate, base, and drainage components after installation in one embodiment of the present invention;
[0029] Figure 2 This is a schematic diagram of a venting plate in one embodiment of the present invention;
[0030] Figure 3 This is a schematic diagram of the base and drainage assembly in one embodiment of the present invention;
[0031] Figure 4 This is a schematic diagram of the drainage device of the explosion relief plate on the top of the energy storage container installed on the container in one embodiment of the present invention;
[0032] Figure 5 This is a schematic diagram of the energy storage container in one embodiment of the present invention.
[0033] Among them, 1-base; 11-support component; 12-connector; 2-explosion relief plate; 21-main body; 22-flanged part; 3-drainage assembly; 31-bottom plate; 32-side plate; 33-drainage groove; 34-extension groove; 4-top longitudinal beam. Detailed Implementation
[0034] The following is a more detailed description of a top-mounted explosion-proof drainage device for an energy storage container and an energy storage container, with reference to schematic diagrams. Preferred embodiments of the present invention are shown. It should be understood that those skilled in the art can modify the present invention described herein while still achieving its advantageous effects. Therefore, the following description should be understood as being broadly known to those skilled in the art and is not intended to limit the present invention.
[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0036] The present invention will be described in more detail below by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.
[0037] Firstly, this utility model provides a drainage device for the explosion relief plate 2 on the top of an energy storage container, such as... Figure 1 and Figure 2 As shown, it includes:
[0038] Base 1;
[0039] Explosion relief plate 2, which is placed on the base 1 and fixedly connected to the base 1;
[0040] Drainage assembly 3, the drainage assembly 3 includes a base plate 31 and a side plate 32, the side plate 32 being respectively placed vertically on the side of the base plate 31;
[0041] The base 1 is placed on the base plate 31, and the side plate 32 surrounds the base 1 and the explosion relief plate 2, forming a drainage groove 33 between the side plate 32 and the base 1 and the explosion relief plate 2.
[0042] At least one extension groove 34 is provided on one side of the base plate 31. The extension groove 34 is connected to the drainage groove 33 and extends away from the base 1.
[0043] Specifically, base 1 is the foundation of the entire device, supporting the explosion relief plate 2 and providing a stable mounting surface for the entire drainage system. The explosion relief plate 2 is a safety device installed on top of the energy storage container to rupture or open in the event of an abnormal increase in internal pressure, releasing overpressure and preventing the container from exploding. The explosion relief plate 2 is placed on and fixedly connected to base 1, ensuring its position is secure and will not move due to external forces.
[0044] The drainage assembly 3 is the part of the entire device responsible for drainage. It includes a base plate 31 and a side plate 32. The base plate 31 is the foundation of the drainage assembly 3. It provides a flat surface for supporting the base 1 and receiving water discharged from the vent plate 2. The side plate 32 is placed vertically on the side of the base plate 31, forming a closed drainage channel together with the base plate 31.
[0045] The base 1 is located on the base plate 31, while the side plate 32 forms a channel, namely the drainage trough 33, around the base 1 and the explosion relief plate 2 to collect and guide the water flowing down from the explosion relief plate 2. An extension trough 34 is provided on one side of the base plate 31. These troughs extend outward to expand the drainage range so that the water can be guided further away and avoid water accumulation.
[0046] Furthermore, the bottom plate 31 has a hollowed-out center to form an inner side edge.
[0047] The base 1 includes a support member 11, which is arranged in a rectangular frame and has its bottom edge fixedly connected to the inner side.
[0048] The top edge of the support member 11 extends horizontally in all directions to form a connector 12.
[0049] The base plate 31 has a hollowed-out section in the middle, forming an inner edge. This means that the base plate 31 is not completely solid, but rather has a portion removed in the middle, creating a cavity or hollow area. The outer edge of this hollow area is called the inner edge. The support member 11 is part of the base 1, forming a rectangular frame around it to provide structural support for the base 1. The bottom edge of the support member 11 is fixedly connected to the inner edge formed by the hollowed-out section in the middle of the base plate 31, thus enabling the support member 11 to stably support the base 1 and maintain the structural stability of the entire drainage device.
[0050] The top edge of the support member 11 is not a simple straight line, but extends outward to form a connector 12. These connectors 12 are used to fix the explosion relief plate 2, or to connect with other structures on the top of the container, ensuring that the entire drainage device can be securely installed on the top of the container. The design of the connectors 12 allows the explosion relief plate 2 to distribute force more evenly, improving the stability and safety of the overall device.
[0051] Furthermore, the explosion relief plate 2 includes a main body 21 and a flange 22 extending horizontally from the edge of the main body 21. The flange 22 is fixedly connected to the base 1 via the connector 12.
[0052] The explosion relief plate 2 is a safety device used to rupture or open when the pressure inside the container abnormally increases, in order to release the overpressure and prevent the container from exploding. To ensure that the explosion relief plate 2 is in the correct position and can effectively perform its function, it needs to be securely connected to the base 1.
[0053] The connector 12 is a component used to secure the explosion relief plate 2 to the base 1. These connectors 12 can be bolts, nuts, welds, rivets, or other mechanical fastening elements. The design of the connector 12 needs to ensure that the explosion relief plate 2 remains fixed under normal operating conditions while being able to release quickly when explosion venting is required. The connector 12 connects the flanged portion 22 of the explosion relief plate 2 to the top edge of the support member 11 of the base 1, forming a stable structure. This connection method needs to take into account the material properties of the explosion relief plate 2 and its dynamic response during explosion venting to ensure that the explosion relief plate 2 can open in the expected manner when an explosion occurs.
[0054] In this embodiment, preferably, the connector 12 is a plate-shaped structure integrally formed with the support 11, and is fixedly connected to the flange 22 of the explosion relief plate 2 by bolts.
[0055] Furthermore, the extension groove 34 is disposed at a position corresponding to the drainage groove 33 on the base plate 1, so that the extension groove 34 corresponds to and is connected to the drainage groove 33.
[0056] Please refer to Figure 3 In this embodiment, the extension groove 34 is located on both sides of the base plate 1 and is horizontally connected to the drainage groove 33. That is, the extension groove 34 and the drainage groove 33 are arranged on the same line, which helps to ensure that the water can flow smoothly from the extension groove 34 to the drainage groove 33, avoiding water accumulation and blockage. This linear layout not only simplifies the drainage path and improves drainage efficiency, but also makes the structure of the entire drainage system more compact and integrated, facilitating installation and maintenance.
[0057] For further details, please refer to... Figure 3 The width of the extension groove 34 is greater than the width of the drainage groove 33.
[0058] Specifically, when the width of the extension channel 34 is greater than the width of the drainage channel 33, it means that the extension channel 34 can accommodate and guide water flowing around the connector 12. This design ensures that even near the connector 12, the water flow is not obstructed, allowing it to flow smoothly to the extension channel 34 and ultimately be discharged from the container, improving the efficiency and reliability of the drainage system. At the same time, this also means that even if the connector 12 is damaged or displaced during the venting process, the drainage function of the extension channel 34 will not be affected.
[0059] Furthermore, the base 1 and the drainage component 3 are integrally formed.
[0060] One-piece structures are generally more robust than assembled structures, and they also better ensure the seal between components, reducing the risk of moisture penetration. Since the base 1 and drainage component 3 are integrated, the installation process is simpler and does not require complex assembly steps.
[0061] Furthermore, there are three side plates 32, which are respectively placed on the three adjacent sides of the bottom plate 31, and the extension groove 34 is placed on the side of the bottom plate where the side plates 32 are not provided.
[0062] In one possible embodiment of this invention, three side panels 32 are provided, each vertically positioned on one of the three adjacent sides of the base plate 31. That is, the base plate 31 and the side panels 32 together form an open rectangular or similar structure, with one long side and two short sides surrounded by the side panels 32. The fourth side of the base plate 31 (i.e., the side without side panels 32) is adjacent to the side of the container or connected to other structural parts of the container, allowing the extension groove 34 to drain accumulated water from the top surface of the container.
[0063] In this embodiment, the main function of the side plate 32 is to form a drainage channel 33 together with the bottom plate 31 and the base 1 to collect and guide water flowing down from the explosion relief plate 2. By providing side plates 32 on the three sides of the bottom plate 31, it can be ensured that the water flow is effectively guided into the drainage channel 33 and discharged from the container through the extension channel 34, which helps to prevent water from accumulating on the top of the container and reduce potential damage caused by water accumulation.
[0064] Furthermore, the inner surface of the extension groove 34 is inclined downward in a direction away from the base.
[0065] Furthermore, the depth of the extension groove 34 is 55mm-80mm.
[0066] The inclined inner surface of the extension channel 34 means that the bottom of the channel is not horizontal, but forms an incline. This design helps to utilize gravity to accelerate the water flow, allowing it to flow to the outlet of the extension channel 34 more quickly, thereby improving the efficiency of the entire drainage system. The increased inclination angle further accelerates the water flow. As the inclination angle of the inner surface increases, the component of gravity in the direction of fluid flow also increases, thus accelerating the downward flow of the fluid. This means that, within a certain range, the larger the inclination angle of the inner surface, the faster the drainage speed. Similarly, the depth of the extension channel 34 also affects the drainage speed. Increased depth allows the channel to hold more water, which helps to create a continuous flow, reducing discontinuities and improving drainage efficiency. The extension channel 34 can also reduce the flow velocity of the water within the channel, minimizing the formation of eddies and turbulence, resulting in smoother water flow.
[0067] By adjusting the tilt angle of the extension trough 34, the performance of the drainage system can be optimized according to the expected drainage volume. This design improves the adaptability of the drainage system, enabling it to cope with different usage scenarios. When the rainfall in the product's location is heavy, more water accumulates in the extension trough 34. To ensure drainage effectiveness and prevent the accumulated water from being unable to drain in a short time due to continuous rainfall, the tilt angle of the extension trough 34 can be relatively increased, and its depth can be relatively deepened to enlarge the drain outlet and increase the drainage rate. Conversely, when the rainfall in the product's location is light, the tilt angle of the extension trough 34 can be relatively decreased, and its depth can be relatively shallower to increase the internal space of the container.
[0068] Preferably, in this embodiment, the depth of the extension groove is 60 mm.
[0069] Secondly, this utility model also provides an energy storage container, please refer to... Figure 4 and Figure 5 As shown, the energy storage container employs a top explosion relief plate 2 drainage device as described in any of the above claims. The energy storage container is equipped with an installation slot and a top longitudinal beam 4.
[0070] The mounting slot is placed on the top of the energy storage container, and the top longitudinal beam 4 connects the mounting slot and the side wall of the energy storage container.
[0071] The drainage device of the explosion relief plate 2 on the top of the energy storage container is placed in the mounting groove, and the extension groove 34 of the drainage device of the explosion relief plate 2 on the top of the energy storage container is placed below the top longitudinal beam 4 and is fixedly connected to the top longitudinal beam 4.
[0072] An energy storage container is a specially designed container for storing and transporting electrical energy storage devices, such as battery packs. To enhance safety and practicality, the energy storage container incorporates a top vent plate 2 drainage device. The mounting slot is a recess or opening on the top of the energy storage container used to house the vent plate 2 drainage device. The position and size of the mounting slot should match the drainage device to ensure it can be securely installed on the top of the container. The top longitudinal beam 4 is a longitudinal beam structure connecting the top and side walls of the container, providing additional structural support.
[0073] In one possible embodiment of this utility model, such as Figure 4 As shown, the top explosion vent plate 2 drainage device is placed in the mounting groove, which means that the drainage device is flush with or slightly lower than the top surface of the container to maintain the overall appearance and structural integrity of the container.
[0074] The extension channel 34 is located below the top longitudinal beam 4, which helps integrate the drainage device with the structural part of the container, ensuring the continuity and effectiveness of the drainage path. The extension channel 34 is fixedly connected to the top longitudinal beam 4, which may be achieved by welding or other mechanical fixing methods. Preferably, the extension channel 34 is fixed to the top longitudinal beam 4 by welding.
[0075] This connection method ensures the stability of the drainage device inside the container, preventing it from shifting even during transport or operation.
[0076] Furthermore, the length of the extension groove 34 is the same as the width of the top longitudinal beam 4.
[0077] The length of the extension channel 34 refers to the distance from the edge of the bottom plate 31 to below the top longitudinal beam 4. This length determines the path length of water flowing from the bottom plate 31 to the outside of the container. The width of the top longitudinal beam 4 refers to its horizontal dimension, that is, the width across the top of the container.
[0078] When the length of the extension channel 34 is the same as the width of the top longitudinal beam 4, it means that the extension channel 34 completely covers the width of the top longitudinal beam 4 in the horizontal direction. The fact that the length of the extension channel 34 is the same as the width of the top longitudinal beam 4 helps to better integrate the drainage device into the container structure, improving overall structural stability. It ensures that the water flow path from the floor 31 to the outside of the container is uninterrupted in the horizontal direction, thereby improving drainage efficiency. At the same time, it simplifies the manufacturing process, as the dimensions of the extension channel 34 and the top longitudinal beam 4 can be directly matched, reducing the need for customization and adjustments.
[0079] The above-described specific examples are for illustrative purposes only and are not intended to limit the scope of this invention. Those skilled in the art to which this invention pertains can make various simple deductions, modifications, or substitutions based on the concept of this invention.
Claims
1. A drainage device for a top explosion relief plate of an energy storage container, characterized in that, include: Base; An explosion relief plate is placed on the base and fixedly connected to the base; A drainage assembly, comprising a base plate and side plates, wherein the side plates are respectively placed vertically on the side edges of the base plate; The base is placed on the bottom plate, and the side plate surrounds the base and the explosion relief plate, forming a drainage groove between the side plate and the base and the explosion relief plate; At least one extension groove is provided on one side of the base plate, the extension groove being connected to the drainage groove and extending away from the base.
2. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 1, characterized in that, The bottom plate has a hollowed-out center to form the inner side; The base includes a support member, which is arranged in a rectangular frame, with its bottom edge fixedly connected to the inner side. The top edge of the support extends horizontally in all directions to form a connector.
3. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 2, characterized in that, The explosion relief plate includes a main body and a flange extending horizontally from the edge of the main body. The flange is fixedly connected to the base via the connector.
4. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 1, characterized in that, The extension groove is positioned on the base plate at a location corresponding to the drainage groove, so that the extension groove corresponds to and is connected to the drainage groove.
5. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 4, characterized in that, The width of the extension groove is greater than the width of the drainage groove.
6. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 1, characterized in that, The base and the drainage component are integrally formed.
7. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 1, characterized in that, The side plates are provided in three parts and are respectively placed on the three adjacent sides of the base plate; the extension groove is placed on the side of the base plate where the side plates are not provided.
8. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 7, characterized in that, The inner surface of the extension groove is inclined downward in a direction away from the base.
9. The drainage device for the explosion relief plate on the top of the energy storage container as described in claim 8, characterized in that, The depth of the extension groove is 55mm-80mm.
10. An energy storage container, employing the explosion-proof drainage device on the top of the energy storage container as described in any one of claims 1-9, wherein the energy storage container is provided with an installation groove and a top longitudinal beam, characterized in that, The mounting slot is placed on top of the energy storage container, and the top longitudinal beam connects the mounting slot and the side wall of the energy storage container. The explosion relief plate drainage device on the top of the energy storage container is placed in the mounting groove, and the extension groove of the explosion relief plate drainage device on the top of the energy storage container is placed below the top longitudinal beam and fixedly connected to the top longitudinal beam.
11. The energy storage container as described in claim 10, characterized in that, The length of the extension groove is the same as the width of the top longitudinal beam.