High-stability battery pack device
By using a separate battery pack and insulating partition design, the heat dissipation and safety hazards of the battery pack device in a limited space are solved, resulting in a battery pack device with high stability and convenient installation.
Patent Information
- Application Number
- CN202423095309.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-16
AI Technical Summary
When existing battery packs have cells densely packed in a limited space, there are unpredictable safety hazards in heat dissipation and thermal runaway management, and the overall battery wiring is not convenient or safe enough.
The first and second battery packs are set up separately, each with an independent connection system. They use CCS modules and a unified acquisition interface. Insulating partitions and isolation compartments are set between the cells. Combined with the bent rounded corner design and integrated base plate, modular installation and high insulation protection are achieved.
It improves the safety and heat dissipation of the battery pack, reduces connection errors, enhances voltage stability and lifespan, and facilitates modular production and maintenance.
Smart Images
Figure CN223680305U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of inverter, specifically belongs to a high stability battery package device. BACKGROUND
[0002] The existing battery package device is a common electrical integrated device, and at present, the battery package is widely applied to energy storage devices. In order to install more battery cells in the limited space inside the battery package, the conventional method is to connect a plurality of battery cells as a unit monomer, and the plurality of unit monomers are connected in series. However, such a method has certain unpredictable safety hazards for heat dissipation of the battery and heat runaway management of the individual battery cell. In an extreme case, when a single battery cell appears heat runaway, it will directly affect the battery cells inside the same group of strings, and there is no way to form effective restraint measures at the first time.
[0003] At present, the application of household energy storage battery package has become more mature, but from the convenience and safety of the overall battery wiring, in order to reduce certain costs in the existing conventional technology, the overall monomer is used as a set, which has unpredictable protection hazards for the protection of the battery cell to a certain extent. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a high stability battery package device to solve the problems mentioned in the background technology.
[0005] The utility model discloses a high stability battery package device, including the casing, be equipped with first battery group, second battery group in the casing, first battery group, second battery group one side is equipped with collection interface and CCS module, first battery group, second battery group all are equipped with a plurality of battery cells in, each battery cell is equipped with insulating partition along the length direction both sides.
[0006] Preferably, the battery cell is provided with an insulating side plate perpendicular to the two sides of the insulating partition, and an insulating bottom plate is provided on the side of the battery cell away from the CCS module; an insulating cover plate and a pressing member are sequentially arranged on the side of the battery cell close to the CCS module.
[0007] Preferably, the first battery group and the second battery group are arranged in the module sheet metal shell respectively, a PC cover plate is arranged on one side of the CCS module, the PC cover plate comprises two bending feet, and the two bending feet abut against the two sides of the module sheet metal shell.
[0008] Preferably, the first battery group and the second battery group are arranged at intervals and fixedly connected by a positioning member.
[0009] Preferably, the shell comprises an upper cover, a bottom plate; the upper cover and the bottom plate are provided with a sealing ring; the outer side of the bottom plate is provided with a plurality of fixing frames, the fixing frame is provided with a first clamping leg and a second clamping leg, the fixing frame can be used for transverse / longitudinal clamping of the support, the support is provided with a plurality of clamping grooves; when the support is placed transversely, the clamping grooves clamp the corresponding first clamping legs on the two fixing frames; when the support is placed longitudinally, the bent plate clamps the corresponding second clamping legs on the two fixing frames.
[0010] Preferably, one side of the bottom plate is provided with a storage groove, the storage groove is provided with a side cover plate, and a sealing gasket is arranged between the side cover plate and the storage groove.
[0011] Preferably, the edge of the storage groove is provided with a groove, which facilitates disassembly and removal.
[0012] Preferably, the bottom plate adopts an integrated structure.
[0013] Preferably, one side of the bottom plate is provided with an air switch circuit breaker assembly, the air switch circuit breaker assembly comprises a control panel and an air switch circuit breaker, and the air switch circuit breaker and the control panel are fixedly connected through an air support.
[0014] Preferably, the air support is provided with a plurality of bent legs, and the bent legs are connected through a round corner transition at the bent portion.
[0015] Compared with the prior art, the battery pack device has at least one of the following beneficial effects:
[0016] 1. In order to connect and ensure the safety of the whole battery pack, the first battery pack and the second battery pack are separately arranged and installed, each has its own connection system, which is convenient for wiring and modular production and installation, saves time cost, improves the safety isolation ability of the battery pack itself; the CCS module is integrated and applied, and the unified collection interface is adopted, which is more convenient for connecting each cell of the battery pack, and the overall connection error is smaller; the unified collection interface greatly reduces the connection distance of the cell and the connection body, and improves the integration ability of collecting battery information, which is convenient for subsequent data management of the BMS system.
[0017] 2. The individual battery cells are provided with insulating side plates, insulating cover plates and insulating bottom plates made of insulating materials, thereby forming separate insulating isolation compartments, improving the insulation protection capability of the battery cells, because the battery cells are spaced apart by the insulating isolation compartments, and the corresponding battery cells greatly improve the heat dissipation and heat insulation capability during normal charging and discharging process; because the heat dissipation effect of the battery cells affects the voltage stability of the battery cells during charging and discharging, therefore, good heat dissipation and heat insulation capability can improve the stability of the voltage consistency of the entire battery unit, thereby further improving the service life of the entire battery pack; the use cost of the user is reduced, and on the other hand, the environmental protection is also beneficial.
[0018] 3. The circuit breaker and the connecting fixing support are more closely and stably matched by setting the bending and rounding edge.
[0019] 4. The bottom plate is made of one-time stretching process, and the overall structural integrity is good.
[0020] 5. A groove is formed at the edge of the side cover plate, which facilitates opening of the side cover plate and prevents damage to the side cover plate; the sealing gasket is closely adhered to the side cover plate, and by setting the groove, the side cover plate is facilitated, and the corresponding sealing ring is also facilitated to be disassembled, thereby facilitating maintenance and replacement.
[0021] 6. The hanging port mode between the bottom plate and the support is in horizontal / vertical form, so that the user only needs to determine the installation direction of the battery during actual use to complete the installation, without the need to separately disassemble the bottom plate hanging rack; the installation time is saved, and the installation adaptability of the product is improved. DETAILED DESCRIPTION
[0022] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the application without imposing undue limitation thereon. In the drawings:
[0023] Figure 1 It is an exploded view of the embodiment of the utility model.
[0024] Figure 2 It is an enlarged view of A of Figure 1
[0025] Figure 3 It is an exploded view of the first / second battery pack of the embodiment of the utility model.
[0026] Figure 4 It is a schematic view of the horizontal clamping support of the fixing frame of the embodiment of the utility model.
[0027] Figure 5 It is a schematic view of the vertical clamping support of the fixing frame of the embodiment of the utility model.
[0028] Figure 6 A perspective view of an air switch assembly according to an embodiment of the present application.
[0029] Reference signs
[0030] 1 - shell; 11 - first battery pack; 12 - second battery pack; 13 - acquisition interface; 14 - CCS module; 15 - insulating partition plate; 16 - insulating side plate; 17 - insulating cover plate; 171 - pressing part; 18 - insulating bottom plate; 19 - upper cover; 20 - bottom plate; 201 - storage groove; 202 - side cover plate; 203 - sealing gasket; 204 - groove; 111 - battery cell; 2 - module metal shell; 3 - PC cover plate; 31 - bent leg; 4 - fixing frame; 41 - first clamping leg; 42 - second clamping leg; 5 - support; 51 - clamping groove; 6 - air switch assembly; 61 - control panel; 62 - air switch circuit breaker; 63 - air support; 631 - bent leg; 632 - round corner; 7 - positioning part; 8 - sealing ring; DETAILED DESCRIPTION
[0031] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.
[0032] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.
[0033] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0034] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0035] It is to be understood that the terms "including", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.
[0036] As shown in Figures 1 to 3 A high-stability battery pack device includes a housing 1, the housing 1 is provided with a first battery pack 11 and a second battery pack 12; the first battery pack 11 and the second battery pack 12 are provided with a collection interface 13 and a CCS module 14 on one side; in order to connect and secure the inside of the battery pack as a whole, the first battery pack 11 and the second battery pack 12 are installed in a split manner, each has its own connection system, which is convenient for wiring and modular production and installation, saves time and cost, and improves the safety isolation ability of the battery pack itself; the CCS module 14 is integrated and applied with the unified collection interface 13, which is more convenient for connecting each cell of the battery pack, and the overall connection error is smaller; the unified collection interface 13 greatly reduces the connection distance of the cell and the connecting body, and improves the integration ability of collecting battery information, which is convenient for subsequent data management of the BMS system; the first battery pack 11 and the second battery pack 12 are each provided with a plurality of cells 111, and the cells 111 are provided with insulating partitions 15 on both sides along the length direction; the cells 111 are provided with an insulating bottom plate 18 away from the CCS module 14; the cells 111 are provided with insulating side plates 16 perpendicular to the insulating partitions 15 on both sides; the cells 111 are provided with an insulating cover plate 17 and a pressing piece 171 close to the CCS module 14; the pressing piece abuts against the insulating cover plate to form a separate insulating isolation chamber with the insulating side plates 16, the insulating cover plates 17, and the insulating bottom plates 18 of each cell 111, which improves the insulation protection ability of the cells 111, and correspondingly, because the cells 111 are spaced apart by the insulating isolation chamber, the heat dissipation and heat insulation ability of the corresponding cells 111 during normal charging and discharging is greatly improved; since the heat dissipation effect of the cells 111 affects the voltage stability of the cells 111 during charging and discharging, good heat dissipation and heat insulation ability also improves the stability of the voltage consistency of the entire battery unit, thereby further improving the service life of the entire battery pack, reducing the use cost of the user, and on the other hand, also benefiting the protection of the environment.
[0037] As shown in Figures 1 to 5As shown, the first battery pack 11 and the second battery pack 12 are arranged in the module metal shell 2 respectively, the CCS module 14 is provided with a PC cover plate 3 on one side, the PC cover plate 3 comprises two bending feet 31, the two bending feet 31 abut against two sides of the module metal shell 2; the first battery pack 11 and the second battery pack 12 are arranged at intervals, and the first battery pack 11 and the second battery pack 12 are fixedly connected through a positioning piece 4; the shell 1 comprises an upper cover 19 and a bottom plate 20; a sealing ring 8 is arranged between the upper cover 19 and the bottom plate 20; a plurality of fixing frames 4 are arranged on the outer side of the bottom plate 20, the fixing frame 4 is provided with a first clamping leg 41 and a second clamping leg 42; the fixing frame 4 can be used for transversely / vertically clamping a support 5, and a plurality of clamping grooves 51 are arranged on the circumferential side of the support 5; as shown Figure 4 As shown, when the support 5 is placed transversely, the clamping groove 51 clamps the corresponding first clamping leg 41 on the two fixing frames 4; as shown Figure 5 As shown, when the support 5 is placed vertically, the clamping groove 51 clamps the corresponding second clamping leg 42 on the two fixing frames 4; the bottom plate 20 and the support 4 adopt two hanging modes in transverse / vertical modes, so that the installation of the battery can be completed only by determining the installation direction of the battery in the actual use process of the user, and the bottom plate hanging frame does not need to be disassembled and assembled separately; the installation time is saved, and the installation adaptability of the product is improved.
[0038] As shown Figures 1 to 6As shown, the bottom plate 20 is provided with a storage groove 201 on one side, the side cover plate 202 is arranged on the storage groove 201, and the sealing gasket 203 is arranged between the side cover plate 202 and the storage groove 201; the edge of the storage groove 201 is provided with a groove 204, which is convenient for dismounting through the groove 204; in order to make the electrical components in the electrical device stable and reliable for a long time, the inside and outside of the electrical device need to be effectively sealed and isolated, and multiple sealing and isolation is usually performed, but this will cause a problem, when the electrical equipment needs to be maintained and repaired daily, the maintenance is not very friendly, and the dismounting of the device itself during the maintenance process will consume a lot of time and affect the work efficiency; the groove 204 is arranged at the edge of the side cover plate 202, which is convenient for opening the side cover plate 202 and not easy to damage the side cover plate 202; the sealing gasket 203 is closely adhered to the side cover plate 202, and by setting the groove 204, the side cover plate 202 is convenient, and the corresponding sealing ring 203 is also convenient to dismount, which is convenient for maintenance and replacement; the bottom plate 20 adopts an integral structure; it is made by one-time stretching process, and the overall structural integrity is good; at present, the market for the battery pack outer bottom plate shell will adopt the way of corner splicing to complete the production of the overall bottom plate due to the problem of corner machining cost; the bottom plate 20 is provided with an air switch assembly 6 on one side, the air switch assembly 6 includes a control panel 61 and an air switch circuit breaker 62, the air switch circuit breaker 62 and the control panel 61 are fixedly connected through an air support 63; the air support 63 is provided with a plurality of bent feet 631, and the bent feet 631 are connected through a round corner 632; in order to meet the needs of built-in equipment, a circuit breaker will be installed in the electrical equipment, in order to make the air switch circuit breaker 62 operate stably in the electrical equipment, a fixed connection air support 63 and an air switch circuit breaker 62 are usually used for fixation, and the current connection air support 63 has certain problems in the fixed position of the air switch circuit breaker 62, the bent part of the air support 63 is usually directly bent at right angles, which makes the transition surface of the air switch circuit breaker 62 have a certain relative gap, causing a certain degree of relative displacement space between the air switch circuit breaker 63 and the fixed connection air support 63, so that the overall fastening stability is poor; by setting the bent round corner 632, the air switch circuit breaker 62 and the fixed connection air support 63 are more closely and stably connected.
[0039] In the description of the utility model, it is to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
Claims
1. A high-stability battery pack device, characterized by: Including the casing, the first battery pack, the second battery pack are equipped in the casing, the first battery pack, the second battery pack one side are equipped with collection interface and CCS module, the first battery pack, the second battery pack in all be equipped with a plurality of electric core, each electric core along length direction both sides are equipped with insulating baffle.
2. The high-stability battery pack apparatus of claim 1, wherein: The electric core is equipped with insulating side plate on both sides of the insulating baffle, and the electric core is equipped with an insulating bottom plate away from the CCS module side, and the electric core is equipped with an insulating cover plate and a pressing part close to the CCS module side.
3. The high-stability battery pack apparatus of claim 1, wherein: The first battery pack and the second battery pack are arranged in the module metal shell respectively, the CCS module side is equipped with PC cover plate, the PC cover plate includes two bending feet, and the two bending feet abut against the both sides of the module metal shell.
4. The high-stability battery pack apparatus of claim 1, wherein: The first battery pack and the second battery pack are arranged in the module metal shell respectively, the CCS module side is equipped with PC cover plate, the PC cover plate includes two bending feet, and the two bending feet abut against the both sides of the module metal shell.
5. The high-stability battery pack apparatus of claim 1, wherein: The first battery pack and the second battery pack are arranged in the module metal shell respectively, the CCS module side is equipped with PC cover plate, the PC cover plate includes two bending feet, and the two bending feet abut against the both sides of the module metal shell.
6. The high-stability battery pack apparatus of claim 5, wherein: The first battery pack and the second battery pack are arranged in the module metal shell respectively, the CCS module side is equipped with PC cover plate, the PC cover plate includes two bending feet, and the two bending feet abut against the both sides of the module metal shell.
7. The high-stability battery pack apparatus of claim 6, wherein: The first battery pack and the second battery pack are arranged in the module metal shell respectively, the CCS module side is equipped with PC cover plate, the PC cover plate includes two bending feet, and the two bending feet abut against the both sides of the module metal shell.
8. The high-stability battery pack apparatus of claim 5, wherein: The bottom plate one side is equipped with the article groove, the article groove is provided with side cover plate, and the side cover plate is equipped with sealing pad between the article groove.
9. The high-stability battery pack apparatus of claim 5, wherein: The edge of the article groove is equipped with a groove, which is convenient for disassembling and picking up through the groove.
10. The high-stability battery pack apparatus of claim 9, wherein: The bottom plate adopts an integral structure. The bottom plate one side is equipped with air switch circuit breaker assembly, the air switch circuit breaker assembly includes control panel and air switch circuit breaker, and the air switch circuit breaker and the control panel are fixedly connected through air support. The air support is equipped with multiple bending feet, and the bending feet are connected through round corners at the bending positions.