Battery pack mounting platform and battery pack

Abstract

The utility model belongs to the battery field, concretely is a kind of battery package installation platform and battery package.The battery package installation platform includes support frame and fixed assembly;Support frame is used to support N battery components in battery package, and fixed assembly includes N pressing plate and 2N connecting piece;Two ends of N pressing plate and the two edge beams of support frame along x direction extension are connected respectively by connecting piece, and z direction binding force is provided to N battery components, to fix battery component on support frame.The utility model places multiple battery components on support frame, and increases pressing plate on the top of each battery component, and limiting battery component in z direction by pressing plate.In the mobile process of battery package, to ensure that battery component can work stably and reliably.

Description

Technical Field

[0001] This utility model belongs to the field of batteries, specifically a battery pack installation platform and a battery pack. Background Technology

[0002] Currently, with the continuous growth of global energy demand and the increasing awareness of environmental protection, energy storage technology has gradually become one of the important means to solve energy problems.

[0003] Energy storage devices are widely used in power systems, transportation, aerospace, and other fields due to their advantages such as portability, flexibility, and high efficiency. Existing energy storage devices on the market consist of a housing, a support frame inside the housing, and multiple battery components fixed to the support frame. During the use of these battery components, their installation and stability are crucial; reliably securing multiple battery components to the support frame is a pressing technical problem that needs to be solved. Summary of the Invention

[0004] This utility model provides a battery pack installation platform and a battery pack. Based on the battery pack installation platform, battery components can be reliably fixed on the support frame, thereby improving the structural stability of the battery pack.

[0005] The technical solution provided by this utility model is as follows:

[0006] This utility model provides a battery pack installation platform, which includes a support frame and a fixing component. The support frame supports N battery components arranged along the x-direction in the battery pack and provides binding forces in the x and y directions to the N battery components, where n is an integer greater than 1. The fixing component includes N pressure plates and 2N connectors. The N pressure plates are arranged along the x-direction and each pressure plate extends along the y-direction. The N pressure plates are correspondingly located on the top of the N battery components. The two ends of the N pressure plates are connected to two side beams extending along the x-direction of the support frame through connectors, providing binding forces in the z-direction to the N battery components to fix the battery components on the support frame.

[0007] Furthermore, the connecting component is a connecting screw, with both ends of the connecting screw passing through the connecting holes on the pressure plate and the support frame, respectively, and being fixed to the pressure plate and the support frame by nuts.

[0008] Furthermore, the connecting holes at both ends of the pressure plate are U-shaped connecting holes.

[0009] Furthermore, the support frame is a rectangular frame, mainly composed of two first side beams and two second side beams connected together. The first side beams extend along the x-direction and are made of angle steel and U-shaped steel. Rollers are provided inside the U-shaped steel. The second side beams extend along the y-direction and are made of angle steel.

[0010] Furthermore, it also includes an insulating pad embedded in a rectangular frame, the insulating pad having an L-shaped cross-section, the vertical plate of the insulating pad extending out of the rectangular frame in the z-direction, and the horizontal plate of the insulating pad extending out of the rectangular frame in the horizontal direction.

[0011] This utility model also provides a battery pack, which includes N battery components and a battery pack mounting platform; the N battery components are sequentially arranged on a support frame along the x-direction, and the support frame provides binding forces in the x and y directions to the N battery components; N pressure plates are correspondingly arranged on the top of the N battery components; the two ends of the N pressure plates are connected to two side beams extending along the x-direction of the support frame through connectors, providing binding forces in the z-direction to the N battery components to fix the battery components on the support frame.

[0012] Furthermore, the battery component includes a housing and multiple individual cells arranged in the same direction within the housing; the housing has a shared chamber; the inner cavity of the shared chamber is connected to the inner cavities of all individual cells; a clearance hole is provided on the top plate of the housing corresponding to the polarity terminal of each individual cell; the polarity terminal of each individual cell extends out of the clearance hole, and the area of ​​the top plate of the housing corresponding to the clearance hole is fixedly sealed to the individual cell housing; the housing is provided with a venting pipe assembly communicating with the shared chamber, and the venting pipe assemblies of adjacent battery components are connected by pipes to form a venting manifold; the pressure plate is insulated from the top plate of the housing.

[0013] Furthermore, each individual cell's polar terminal is provided with a heat transfer tube extending out of the outer casing. The heat transfer tube exchanges heat with the polar terminal of each individual cell. An insulating sealant layer is laid on the top of the outer casing, and at least part of the structure of the polar terminal and the heat transfer tube is located within the insulating sealant layer.

[0014] Furthermore, the pressure plate is located between the two heat transfer tubes and is embedded in the insulating sealant layer, and the shape of the pressure plate is adapted to the shape of the top of the battery component housing.

[0015] Furthermore, the pressure plate is fitted with a thermoplastic tube to achieve insulation between the pressure plate and the top plate of the outer casing.

[0016] Compared with the prior art, the advantages of this utility model are:

[0017] 1. This invention places N battery components sequentially on a support frame. The support frame provides binding forces to the battery components in the x and y directions, thereby limiting their position. Simultaneously, this invention adds a pressure plate to the top of each battery component, and the two ends of the pressure plate are fixed to the support frame by connectors. This pressure plate provides binding forces to the battery component in the z direction, further limiting its position. During use, this mounting platform fixes and installs each battery component on the support frame from multiple angles to ensure stable and reliable operation.

[0018] Especially when this installation platform is used in mobile charging vehicles, it provides restraint forces to the battery components in multiple directions (x, y, and z) during movement, ensuring the components remain in a relatively stable position and preventing movement or tilting, thus enabling stable operation. Particularly in complex road conditions, the platform provides continuous and stable support and reliable installation for the battery components, protecting their internal structure and connections, preventing shaking and vibration, and guaranteeing normal operation.

[0019] 2. In the battery pack installation platform of this utility model, the connecting component is a connecting screw. The two ends of the connecting screw are fixedly connected to the pressure plate and the support frame by nuts. This connection method can adjust the distance between the pressure plate and the support frame by adjusting the position of the nuts at both ends of the connecting screw. It is suitable for battery components of different heights, reduces the installation difficulty of battery components, and has less requirement for the installation accuracy of each battery component.

[0020] 3. In the battery pack installation platform of this utility model, the connecting holes at both ends of the pressure plate are U-shaped connecting holes. The U-shaped connecting holes facilitate alignment and insertion of the connecting screws during installation, allowing for quick engagement with the connecting screws and reducing installation time. Furthermore, during actual assembly, the U-shaped connecting holes can also adjust the installation position of the pressure plate in the y-direction to compensate for installation errors between the pressure plate and the support frame, ensuring reliable connection.

[0021] 4. In the battery pack installation platform of this utility model, an insulating pad is provided inside the support frame. The insulating pad is placed between each battery component and the support frame. When the outer shell of the battery component is energized, it ensures the insulation performance between the support frame and the battery component. At the same time, the vertical and horizontal plates of the insulating pad extend out of the support frame to ensure that the outer shell of each battery component does not contact the support frame, thereby improving the insulation reliability and the safety of the battery component.

[0022] 5. In the battery pack installation platform of this utility model, the support frame is a rectangular frame, mainly composed of two first side beams and two second side beams connected together. Compared with other support frame structures, the rectangular frame support frame structure is relatively stable and easier to manufacture. Meanwhile, the first side beams are formed by a combination of angle steel and U-shaped steel, which can increase the stability and support strength of the support frame. In addition, this utility model also provides rollers at the bottom of the two first side beams to facilitate the installation and disassembly of the battery pack.

[0023] 6. In the battery pack of this utility model, the battery component places multiple individual batteries in a shell with a shared chamber. The shared chamber is connected to the inner cavity of each individual battery located in the shell, which reduces the differences between individual batteries and improves the consistency between individual batteries to a certain extent, thereby improving the cycle life of the battery component to a certain extent.

[0024] 7. In the battery pack of this utility model, a heat transfer tube is connected to the part of the polar terminal of each individual battery that extends out of the outer shell. The heat transfer tube exchanges heat with the polar terminal of each individual battery. A heat transfer medium flows inside the heat transfer tube. By controlling the temperature of the heat transfer medium, it can be ensured that the battery components always operate at the normal operating temperature.

[0025] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the battery pack mounting platform in Example 1;

[0027] Figure 2 This is a schematic diagram of the battery components and battery pack mounting platform in Example 1. Figure 1 ;

[0028] Figure 3 This is a schematic diagram of the battery components and battery pack mounting platform in Example 1. Figure 2 ;

[0029] Figure 4 This is an exploded view of the battery components and battery pack mounting platform in Example 1;

[0030] Figure 5 This is a schematic diagram of the battery pack mounting platform in Example 2;

[0031] Figure 6 This is a schematic diagram of the battery components and battery pack mounting platform in Example 2;

[0032] Figure 7 for Figure 6 A magnified view of a portion of the image;

[0033] Figure 8 This is a schematic diagram of the battery component in Example 3;

[0034] Figure 9 This is a schematic diagram of the battery pack structure in Example 2.

[0035] Reference numerals: 1-Battery pack mounting platform, 2-Battery component, 3-Explosion relief manifold, 4-Heat transfer pipe, 11-Support frame, 12-Fixing component, 13-Insulating pad, 111-First side beam, 112-Second side beam, 113-Roller, 121-Pressure plate, 122-Connector, 123-Hinge column, 21-Outer shell, 22-Single cell, 23-Gas sharing chamber, 24-Explosion relief pipe assembly, 25-Protective outer shell, 221-Polar terminal. Detailed Implementation

[0036] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0037] The phrase "other embodiments" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly defined.

[0038] In this specification, unless otherwise expressly specified and limited, the term "connection" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate component, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] Furthermore, in the description of this utility model, it should be noted that the terms "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] This utility model provides a battery pack installation platform for supporting and fixing multiple battery components that constitute a battery pack. The battery components can be existing battery packs or battery modules, or they can be high-capacity batteries. A battery pack or battery module is composed of multiple individual batteries connected in parallel or series. Alternatively, it can consist of a casing and multiple individual batteries located within the casing connected in parallel or series (this is a conventional design where the electrolytes of the individual batteries in the battery components are not shared). The high-capacity battery described here is a battery composed of multiple individual batteries connected in parallel with a shared electrolyte system. The structure of this high-capacity battery can be detailed in CN220797038U, CN117878492A, CN220324596U, CN118299739A, CN220324640U, CN118800999A, and other disclosed high-capacity battery structures.

[0041] To facilitate the installation of multiple battery components, CN118659085A discloses a battery pack bracket assembly. This bracket assembly mainly consists of a support member and two L-shaped brackets. The support member is placed at the bottom of the battery pack to support it. The L-shaped brackets include a first bracket and a second bracket, wherein the first bracket is parallel to the yz plane and the second bracket is parallel to the xy plane. The first brackets of the two L-shaped brackets are respectively fixed at both ends of the support member, and the second brackets are respectively used to fix the frame opposite to the battery pack support frame. The support member includes two support ribs, which are respectively inserted into two channels at the bottom of the battery pack to support it. The support ribs and the channels are insulated from each other by a thermoplastic tube sleeved on the support ribs.

[0042] The aforementioned battery pack is equivalent to the battery component in this application. The following description uses the battery component instead of the aforementioned battery pack to describe the bracket assembly structure. In the above scheme, each battery component requires a separate bracket assembly for installation, and each battery component is fixed to the support frame via the bracket assembly. During installation, the battery component is first stably fixed to the support frame using L-shaped brackets fixed to both ends of the support component, and then the bracket assembly is fixed to the support frame. The installation process for the battery component is relatively complex. Furthermore, when installing each bracket assembly with the battery component, the structure of the bracket assembly must be compatible with the structure at the bottom of the battery component, thus requiring corresponding design of the bracket assembly structure, making the bracket assembly structure relatively complex as well.

[0043] Based on this, this embodiment provides a battery pack installation platform, which includes a support frame and fixing components. During installation, multiple battery components are placed on the support frame, and pressure plates are added to the top of each battery component. These pressure plates are then fixed to the support frame via connectors, allowing the pressure plates to limit the battery components in the z-direction, thereby fixing each battery component to the support frame from multiple angles. This installation method ensures the stability of the battery components on the support frame during battery pack movement, enabling each battery component to operate reliably. Furthermore, when installing battery components using the above-mentioned installation platform, there is no need to set up separate bracket components for each battery component; installation can be achieved simply by using pressure plates. The overall structure of the installation platform is relatively simple. During installation, each battery component is placed on the support frame and fixed by the pressure plates, making the installation process simple. After installation, the entire battery pack has a simple and compact structure, high stability, and high energy density.

[0044] When this installation platform is used in mobile charging vehicles, the battery components maintain a relatively stable position during movement, preventing them from shifting or tilting, thus ensuring stable operation. Especially in complex road conditions, the installation platform provides continuous and stable support and reliable installation for the battery components, protecting their internal structure and connections, preventing shaking and vibration, and guaranteeing their normal operation.

[0045] Example 1

[0046] like Figure 1 and Figure 2 As shown, this embodiment provides a battery pack installation platform 1, which is used to support N battery components 2 in the battery pack, where n is an integer greater than 1. Typically, multiple battery components 2 are arranged sequentially to form a cuboid structure. For ease of description, the direction in which the multiple battery components 2 are arranged is defined as the x-direction, the height direction of the battery components 2 is defined as the z-direction, and the direction perpendicular to both the x-direction and the z-direction is defined as the y-direction.

[0047] like Figure 1As shown, the battery pack installation platform 1 provided in this embodiment includes a support frame 11 and a fixing component 12. The support frame 11 is used to support N battery components 2 in the battery pack. The multiple battery components 2 are arranged on the support frame 11 along the x-direction. In the x-direction and y-direction, the support frame 11 provides a binding force to the battery components 2 for limiting their position, where n is an integer greater than 1. The fixing component 12 includes N pressure plates 121 and 2N connectors 122. The N pressure plates 121 are arranged along the x-direction and each pressure plate 121 extends along the y-direction. The N pressure plates 121 are correspondingly arranged on the top of the N battery components 2, and the two ends of the pressure plates 121 are respectively fixed to the opposite side beams of the support frame 11 by the connectors 122 located at both ends of the battery components 2, so that the pressure plates 121 provide a binding force to the battery components 2 in the z-direction for limiting their position, thereby fixing each battery component 2 on the support frame 11.

[0048] like Figure 2 As shown, the battery pack, composed of multiple battery components 2 arranged sequentially in a horizontal direction, has a cuboid structure. For a battery pack suitable for this shape, such as... Figure 1 As shown, the support frame 11 in this embodiment is a rectangular frame, mainly composed of two first side beams 111 and two second side beams 112. The first side beams 111 extend along the x-direction, and the second side beams 112 extend along the y-direction. The two first side beams 111 and the two second side beams 112 are arranged at intervals and connected end to end to form a rectangular frame structure. In specific connection, the first side beams 111 and the second side beams 112 can be assembled to form a rectangular frame by welding or screwing.

[0049] After the first side beam 111 and the second side beam 112 form the support frame 11, they need to be able to support the battery component 2. That is, the inner side of the support frame 11 needs to have an inwardly extending support structure so that the battery component 2 can be placed in the support frame 11. In this embodiment, the first side beam 111 and the second side beam 112 can both be implemented by angle steel. The vertical plate of the angle steel is used to limit the x and y directions of each battery component 2, and the horizontal plate of the angle steel is used to support each battery component 2.

[0050] In some other embodiments, the first side beam 111 and the second side beam 112 may also be made of U-shaped steel, square steel or I-beam steel, etc. When such steel is used, an internal support structure needs to be added, for example, an inner support plate, etc., to support each battery component 2.

[0051] Meanwhile, to increase the stability and support strength of the support frame 11, the first side beam 111 and the second side beam 112 can also be composed of various types of steel. For example, they can be formed by combining U-shaped steel and angle steel to improve the structural strength of the support frame 11. In this embodiment, considering cost and structural strength, the second side beam 112 can be made of angle steel, and the first side beam 111 can be made of a combination of U-shaped steel and angle steel. When using a combined structure, the angle steel is located on the inside, and the U-shaped steel is set up upside down, connecting the vertical plate of the angle steel to one vertical plate of the U-shaped steel. At the same time, a connecting hole for fixing the connector 122 is machined on the top plate of the U-shaped steel. This combination can not only meet the support function of the support frame 11 without adding additional support structural components, but also make the entire support frame 11 have good support strength.

[0052] In addition, to facilitate the assembly of the battery pack, such as Figure 3 As shown, this embodiment also provides rollers 113 at the bottom of the two first side beams 111. The rollers 113 facilitate the movement of the battery pack and the support frame 11. Specifically, the rollers 113 can be installed inside the U-shaped steel of the first side beam 111, that is, the space inside the U-shaped steel is used as the installation space for the rollers 113, making the rollers 113 a built-in installation. Built-in installation does not require additional space, and the battery component 2 has a high energy density.

[0053] After the support frame 11 is formed, its inner dimensions are consistent with the dimensions of the battery components 2 after they are arranged. That is, after N battery components 2 are arranged and placed in the support frame 11, the inner dimensions of the support frame 11 in the x and y directions are consistent with the dimensions of the multiple batteries after they are arranged in the x and y directions, so that the support frame 11 can limit the multiple battery components 2 in the x and y directions. At the same time, in this embodiment, a fixing component 12 is provided on the top of each battery component 2, and the fixing component 12 limits the battery component 2 in the z direction.

[0054] like Figure 1 As shown, the fixing component 12 in this embodiment includes N pressure plates 121 and 2N connectors 122. The number of pressure plates 121 is consistent with the number of battery components 2. The multiple pressure plates 121 are arranged along the x-direction and each pressure plate 121 extends along the y-direction. The N pressure plates 121 are correspondingly set on the top of the N battery components 2. The connectors 122 located at both ends of the battery components 2 fix the two ends of the pressure plates 121 to the opposite side beams of the support frame 11, so that the pressure plates 121 limit the battery components 2 in the z-direction, thereby fixing each battery component 2 on the support frame 11.

[0055] To better clamp and limit the battery component in the z-direction using the pressure plate 121, the shape of the pressure plate 121 generally matches the shape of the top of the battery component 2. If the top of the battery component 2 housing 21 is a flat structure, the pressure plate 121 can be a flat plate. If the top of the battery component 2 housing 21 has a protrusion (the protrusion is used to form a gas sharing chamber), the pressure plate 121 can be a U-shaped pressure plate 121. The U-shaped pressure plate 121 is fastened to the protrusion on the top of the battery component 2 housing 21 to provide limiting and fixing of the battery component 2 in the z-direction.

[0056] The aforementioned pressure plate 121 is correspondingly disposed on the top of the battery component 2. At this time, the two ends of the pressure plate 121 are connected to the support frame 11 through the connector 122. In this embodiment, the connector 122 is a connecting screw. The two ends of the connecting screw pass through the connecting holes on the pressure plate 121 and the support frame 11, respectively, and are fixed to the pressure plate 121 and the support frame 11 by nuts. By adjusting the nuts at both ends of the connecting screw, the distance between the pressure plate 121 and the support frame 11 can be adjusted, which is suitable for battery components 2 of different heights, reduces the installation difficulty and installation deviation of the battery component 2, and has lower requirements for the installation accuracy of each battery component 2.

[0057] For convenient on-site connection, the connecting holes at both ends of the pressure plate 121 are U-shaped connecting holes. The openings of the U-shaped connecting holes at both ends of the pressure plate 121 are designed to face away from each other. This type of U-shaped connecting hole facilitates alignment and insertion of the connecting screw during installation, allowing for quick engagement with the connecting screw and reducing installation time. Furthermore, during actual assembly, the U-shaped connecting holes can also adjust the installation position of the pressure plate 121 in the y-direction to compensate for installation errors between the pressure plate 121 and the support frame 11, ensuring reliable connection.

[0058] As described above, the support frame 11 in this embodiment is generally made of structural steel. In actual use, the outer casing 21 of the battery component 2 may be electrified. To ensure the safety of each battery component 2 during use, an insulating pad 13 is provided on the inner side of the support frame 11. The insulating pad 13 is located between each battery component 2 and the support frame 11, achieving insulation between the support frame 11 and the battery component 2. In actual use, the casing of large-capacity batteries is generally electrified; therefore, the insulating pad 13 is mainly suitable for battery packs with large-capacity batteries as battery components.

[0059] like Figure 4As shown, in specific manufacturing, the shape of the insulating pad 13 generally matches the shape of the support frame 11. Specifically, if the support frame 11 is a rectangular frame structure, the insulating pad 13 can also be a rectangular frame structure. During installation, the insulating pad 13 is embedded inside the support frame 11. Simultaneously, the cross-section of the insulating pad 13 is L-shaped, with the vertical plates of the insulating pad 13 extending into a rectangular frame in the z-direction, and the horizontal plates of the insulating pad 13 extending into a rectangular frame in the horizontal direction. This ensures that the outer shell 21 of each battery component 2 does not contact the support frame 11, further improving the insulation reliability of the support frame 11 and the safety of the battery component 2. Specifically, the insulating pad 13 can be made of PP board, ABS board, or electrical board, etc. During installation, the insulating pad 13 is embedded into the support frame 11, followed by the installation of the battery component 2 and the pressure plate 121.

[0060] Furthermore, to further improve the reliability of the battery component during operation, corresponding insulation measures can be taken for the pressure plate 121 that comes into contact with the battery component. In some other embodiments, insulating materials can be directly selected to prepare the pressure plate 121. However, in order to ensure the supporting strength of the pressure plate 121, this embodiment uses a metal material as the pressure plate 121. In this case, a thermoplastic tube can be sleeved on the pressure plate 121 to insulate the pressure plate 121 from the outer shell of the battery component 2, thereby ensuring the safety of the battery component during use.

[0061] Example 2

[0062] This embodiment provides a battery pack mounting platform. This battery pack mounting platform 1 has a similar structure to the battery pack mounting platform 1 in Embodiment 1, except that the connection method between the pressure plate 121 and the support frame 11 is different in this embodiment. Figure 5 and Figure 6 As shown, in this embodiment, the two ends of the pressure plate 121 are connected to the side beams opposite to the support frame 11 through the hinged column 123.

[0063] The existing battery component 2 has a gas-sharing chamber 23 at its top, which generally protrudes from the top of the battery component 2 housing 21. To match the shape of the battery component 2 housing 21, such as... Figure 6 and Figure 7 In this embodiment, the pressure plate 121 is a U-shaped pressure plate. The U-shaped pressure plate is located on the top of the battery component 2 and is fastened to the gas sharing chamber 23. The two ends of the U-shaped pressure plate are connected to the top of the hinge column 123 through pins. The bottom of the hinge column 123 is fixedly connected to the support frame 11. Specifically, the bottom of the hinge column 123 is provided with a connecting plate, and the connecting plate is fixed to the support frame 11 by bolts.

[0064] In this embodiment, a hinged column 123 is used to connect the pressure plate 121 and the support frame 11. When each battery component 2 is repaired or disassembled, only one end of the hinged column 123 needs to be disassembled, making the installation and repair of the battery components more convenient.

[0065] Example 3

[0066] like Figure 9 As shown, this embodiment provides a battery pack, which includes a battery pack mounting platform 1 as in Embodiment 1 or Embodiment 2, and multiple battery components 2. The support frame 11 in the battery pack mounting platform 1 is used to support the multiple battery components 2 in the battery pack. Figure 9 The diagram schematically shows four battery components 2, which are arranged along the x-direction on the support frame 11.

[0067] like Figure 8 As shown, the battery component 2 in this embodiment includes a housing 21 and multiple individual batteries 22 arranged in the same direction within the housing 21. The individual batteries 22 in this embodiment are prismatic batteries, and their number can be adjusted according to actual needs. The internal cavity of each individual battery 22 includes an electrolyte area and a gas area. After the multiple individual batteries 22 are arranged in the same direction within the housing 21, a clearance hole is provided on the top plate of the housing 21 corresponding to the polarity terminal 221 of each individual battery 22. The polarity terminal 221 of each individual battery 22 extends out of the corresponding clearance hole as the polarity terminal 221 of the battery component 2 (the polarity terminals of all individual batteries on one side serve as the positive polarity terminal of the battery component, and the polarity terminals of all individual batteries on the other side serve as the negative polarity terminal of the battery component). The area of ​​the top plate of the housing 21 corresponding to the clearance hole is fixedly sealed to the housing of the individual battery 22.

[0068] It should be noted that the polarity terminal 221 of the single cell 22 here can be the terminal post of the single cell 22. In order to prevent the terminal post of the single cell 22 from not being able to extend smoothly out of the clearance hole as the polarity terminal 221, a terminal post adapter can be connected to the terminal post of the single cell 22, and the overall structure of the terminal post of the single cell 22 and the terminal post adapter can be used as the polarity terminal 221 of the single cell 22.

[0069] The aforementioned outer casing 21 has a shared chamber, the inner cavity of which is connected to the inner cavities of all individual battery cells 22.

[0070] The aforementioned shared chamber can be an electrolyte shared chamber. The inner cavity of the electrolyte shared chamber is connected to the electrolyte area inside all individual battery cells 22. Through the electrolyte shared chamber, each individual battery cell 22 is in a uniform electrolyte environment, ensuring the uniformity of the electrolyte within each individual battery cell 22 and improving the performance and charge-discharge cycle life of the battery component 2. In this embodiment, the electrolyte shared chamber is a liquid channel located between the bottom plate of the outer casing 21 and the bottom of each individual battery cell 22.

[0071] The aforementioned shared chamber can also be a gas-sharing chamber 23. The inner cavity of the gas-sharing chamber 23 is connected to the gas region of the inner cavity of all individual cells 22. The gas balance of each individual cell 22 is achieved through the gas-sharing chamber 23, which can also improve the performance of the battery component 2 and the charge-discharge cycle life. In this embodiment, the gas-sharing chamber 23 is a gas channel provided on the top plate of the outer casing 21. At this time, the top plate of the outer casing 21 has a protrusion extending along the arrangement direction of the individual cells 22, and a gas channel is formed at the protrusion.

[0072] The aforementioned shared chamber can also be a gas-liquid shared chamber. The inner cavity of the gas-liquid shared chamber is connected to the electrolyte area and gas area of ​​all individual battery cells 22. Through a gas-liquid shared chamber, each individual battery cell 22 can be in a unified electrolyte environment and gas environment, which improves the performance of the battery component 2 and its charge-discharge cycle life.

[0073] like Figure 8 As shown, in order to vent thermal runaway fumes from the outer casing 21 of the battery component 2, this embodiment provides a vent on the outer casing 21 that communicates with the inner cavity of the outer casing 21; normally, this vent communicates with the shared chamber. A vent assembly 24 communicating with the shared chamber is provided on the vent on the outer casing 21. The vent assemblies 24 of adjacent battery components 2 are connected by pipes to form a vent manifold 3. When a single cell 22 in any battery component 2 experiences thermal runaway, the thermal runaway fumes can be discharged through the vent manifold 3, reducing the risk of combustion or explosion of the battery component 2 or battery pack.

[0074] like Figure 8 As shown, to further improve the safety of the battery component 2 during use in this embodiment, a heat transfer pipe 4 is connected to the portion of the polar terminal 221 of each individual battery 22 that extends out of the outer casing 21. The heat transfer pipe 4 exchanges heat with the polar terminal 221 of each individual battery 22. When the temperature of the battery component 2 is higher than a set threshold, the battery component 2 is cooled by introducing a lower temperature heat transfer medium into the heat transfer pipe 4. When the temperature of the battery component 2 is lower than the set threshold, the battery component 2 is heated by introducing a higher temperature heat transfer medium into the heat transfer pipe 4. By controlling the temperature of the heat transfer medium, it can be ensured that the battery component 2 always operates at the normal operating temperature.

[0075] like Figure 8As shown, the top of the outer shell 21 of the battery component 2 has two heat transfer pipes 4. Each heat transfer pipe 4 extends along the y-axis and the two heat transfer pipes 4 are arranged along the x-axis. Each polar terminal 221 of the battery component 2 is provided with a through groove. The two heat transfer pipes 4 are respectively embedded in the through grooves of the polar terminals 221 located on different sides. One heat transfer pipe 4 is embedded in the through groove of the positive polar terminal of the battery component 2, and the other heat transfer pipe 4 is embedded in the through groove of the negative polar terminal of the battery component 2. The heat transfer pipe 4 has a channel for the heat transfer medium to pass through, and heat exchange is performed on the polar terminals 221 of the battery component 2 through the heat transfer pipe 4.

[0076] Simultaneously, in this embodiment, an insulating sealant layer is laid on the top plate of the outer casing 21. The insulating sealant layer encapsulates at least a portion of the structure of the heat transfer tube 4 and the polarity terminal 221, with the top of the heat transfer tube 4 exposed, serving as an electrical connection. During the operation of the battery component 2, internal temperature changes may cause water vapor condensation. The insulating sealant layer isolates external moisture, reduces internal humidity changes, and prevents water droplets from forming on the surfaces of the heat transfer tube 4 and the polarity terminal 221, thus preventing short circuits and component corrosion caused by condensation. Furthermore, encapsulating a portion of the structure of the heat transfer tube 4 and the polarity terminal 221 within the sealant layer makes the connections between components tighter, reducing relative displacement between components under vibration, impact, and other conditions, and enhancing the overall structural stability of the battery component 2.

[0077] After the battery components 2 are assembled, they are arranged sequentially on the support frame 11 in the battery pack mounting platform 1, and then fixed by the fixing component 12. In this embodiment, the fixing component 12 includes four pressure plates 121 and eight connectors 122. The four pressure plates 121 are respectively disposed on the top of the four battery components 2, and the connectors 122 located at both ends of the battery components 2 fix the two ends of the pressure plates 121 to the opposite side beams of the support frame 11, so that the pressure plates 121 limit the battery components 2 in the z direction, thereby fixing each battery component 2 on the support frame 11.

[0078] During battery pack installation, the pressure plate 121 can be embedded in the aforementioned insulating sealant layer. The pressure plate 121 and battery components are assembled before being installed in the support frame 11. After the battery components are placed in the support frame, the pressure plate 121 and the support frame 11 can be connected by the connector 122.

[0079] Furthermore, because the polarity terminal 221 of the individual battery 22 is directly exposed to the external environment, there is a significant safety hazard during use due to the energized polarity terminal 221. Therefore, if... Figure 9As shown, in this embodiment, a protective shell 25 is provided on the outside of the battery component 2 to provide insulation protection for the polarity terminal 221 of the individual battery 22. The protective shell 25 avoids the potential safety hazards of the individual battery 22 polarity terminal 221 being exposed during the operation of the battery component 2, and also prevents foreign objects from falling into the position of the individual battery 22 polarity terminal 221 and causing a short circuit in the battery component 2, thereby improving the safety of the battery component 2.

[0080] During the actual assembly of battery component 2, the heat transfer pipe 4 and the explosion venting manifold 3 are both located inside the protective housing 25. At the same time, the pressure plate 121 and connector in the fixing component 12 can also be placed inside the protective housing 25. The protective housing 25 protects the heat transfer pipe 4, the explosion venting manifold 3 and the fixing component 12 to improve the safety of the battery pack during use.

Claims

1. A battery pack installation platform, characterized in that, Includes support frame and fixing components; The support frame is used to support N battery components arranged along the x direction in the battery pack, and to provide binding forces in the x and y directions to the N battery components, where n is an integer greater than 1; The fixing assembly includes N pressure plates and 2N connectors. The N pressure plates are arranged along the x-direction and each pressure plate extends along the y-direction. The N pressure plates are correspondingly located on the top of the N battery components. The two ends of the N pressure plates are connected to the two side beams of the support frame extending along the x direction through connectors, providing a binding force in the z direction to the N battery components to fix the battery components to the support frame.

2. The battery pack mounting platform according to claim 1, characterized in that, The connector is a connecting screw, with both ends of the connecting screw passing through the connecting holes on the pressure plate and the support frame, respectively, and fixed to the pressure plate and the support frame by nuts.

3. The battery pack mounting platform according to claim 2, characterized in that, The connection holes at both ends of the pressure plate are U-shaped connection holes.

4. The battery pack mounting platform according to any one of claims 1 to 3, characterized in that, The support frame is a rectangular frame, mainly composed of two first side beams and two second side beams connected together. The first side beams extend along the x-direction and are made of angle steel and U-shaped steel. Rollers are installed inside the U-shaped steel. The second side beams extend along the y-direction and are made of angle steel.

5. The battery pack mounting platform according to claim 4, characterized in that, It also includes an insulating pad embedded in a rectangular frame. The insulating pad has an L-shaped cross-section, with the vertical plate of the insulating pad extending out of the rectangular frame in the z-direction and the horizontal plate of the insulating pad extending out of the rectangular frame in the horizontal direction.

6. A battery pack, characterized in that, It includes N battery components and a battery pack mounting platform as described in any one of claims 1 to 5; the N battery components are sequentially arranged on a support frame along the x-direction, and the support frame provides binding forces in the x-direction and y-direction to the N battery components; N pressure plates are installed one-to-one on top of N battery components; the two ends of the N pressure plates are connected to the two side beams extending along the x direction of the support frame through connectors, providing a binding force in the z direction to the N battery components to fix the battery components on the support frame.

7. The battery pack according to claim 6, characterized in that, The battery component includes a housing and multiple individual cells arranged in the same direction within the housing; the housing has a shared chamber; the inner cavity of the shared chamber is connected to the inner cavities of all individual cells; the top plate of the housing has clearance holes corresponding to the polarity terminals of each individual cell; the polarity terminals of each individual cell extend out of the clearance holes, and the area of ​​the top plate of the housing corresponding to the clearance holes is fixedly sealed to the individual cell housing; the housing has a venting pipe assembly connected to the shared chamber, and the venting pipe assemblies of adjacent battery components are connected by pipes to form a venting manifold; The pressure plate is insulated from the top plate of the outer casing.

8. The battery pack according to claim 7, characterized in that, Each individual cell has a heat transfer tube extending from its polar terminal into the outer casing. The heat transfer tube exchanges heat with the polar terminal of each individual cell. An insulating sealant layer is laid on the top of the outer casing, and at least part of the structure of the polar terminal and the heat transfer tube is located within the insulating sealant layer.

9. The battery pack according to claim 8, characterized in that, The pressure plate is located between two heat transfer tubes and is embedded in an insulating sealant layer. The shape of the pressure plate is adapted to the shape of the top of the battery component housing.

10. The battery pack according to claim 9, characterized in that, The pressure plate is fitted with a thermoplastic tube to achieve insulation between the pressure plate and the top plate of the outer shell.

Images