Automobile power battery pack integrated with multi-branch power distribution function and new energy automobile

Abstract

The utility model provides an automobile power battery pack integrated with a multi-branch power distribution function and a new energy automobile. The automobile power battery pack comprises a maintenance covering cap, a battery pack shell, a battery module and a power distribution function module, a power distribution cavity and a battery module cavity are integrated in the battery pack shell, and a plurality of terminal interfaces are formed in the side surface of the battery pack shell; the power distribution cavity is positioned on the side edge of the battery pack shell and is communicated with the terminal interface; the battery module cavity comprises a plurality of independent mold cavities; the battery modules are respectively arranged in the mold cavities, and the power distribution function module is arranged in the power distribution cavity; a maintenance port is formed in the maintenance port cover, and a maintenance cover plate is arranged at the maintenance port; the maintenance cover plate is detachably connected to the maintenance covering cap; the maintenance covering cap is detachably connected to the upper end surface of the battery pack shell; according to the technical scheme provided by the utility model, integration and light weight of the battery pack of the whole vehicle are realized, the design and installation cost of the battery pack of the whole vehicle is reduced, and the process assembly time is shortened.

Description

Technical Field

[0001] The utility model belongs to the technical field of automotive power battery packs with integrated multi-branch power distribution functions, and specifically relates to an automotive power battery pack with integrated multi-branch power distribution functions and a new energy vehicle. Background Art

[0002] Existing automotive power battery systems generally have AC, PTC, front and rear MCU multi-branch power distribution functions. The PTC and AC circuits are integrated in the battery pack and are generally equipped with 2 small fuses and 1 four-core plug-in; the electrical box of the original vehicle battery pack generally needs to be designed with independent power distribution functions of the front and rear MCUs and the distribution box; the distribution box exists in the whole vehicle as a separate component (the distribution box integrates PTC and AC circuits), and the distribution box includes many components such as the box body, maintenance cover, and fuse holder, and the cost of realizing the function is relatively high; in the development and design process of automobiles, especially new energy vehicles, the whole vehicle needs to develop a bracket to fix the distribution box, which is costly, heavy, and unsightly; at the same time, when the distribution box is repaired and replaced, it is necessary to remove many components such as the large bracket, small bracket, HCU, HCU bracket, PTC, etc., which is inconvenient to repair.

[0003] Based on the technical problems existing in the above-mentioned battery pack, there is no relevant solution yet; therefore, there is an urgent need to find effective solutions to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies in the above-mentioned technologies and to propose an automotive power battery pack and a new energy vehicle with integrated multi-branch power distribution function, aiming to solve the problem of unreasonable design of the electrical box of the existing battery pack.

[0005] The utility model provides an automotive power battery pack with integrated multi-branch power distribution function, the automotive power battery pack comprising a maintenance cover, a battery pack shell, a battery module and a power distribution function module; the battery pack shell is integrated with a power distribution cavity and a battery module cavity, a plurality of terminal interfaces are formed on the side of the battery pack shell, and the upper end face of the battery pack shell is an open face; the power distribution cavity and the battery module cavity are independent cavities respectively; the power distribution cavity is located on the side of the battery pack shell and is connected with the terminal interface; the battery module cavity comprises a plurality of independent mold cavities; the battery modules are respectively arranged in each mold cavity, and the power distribution function module is arranged in the power distribution cavity; a maintenance port is provided on the maintenance cover, and a maintenance cover is provided at the maintenance port; the maintenance cover is detachably connected to the maintenance cover and covers the maintenance port; the maintenance cover is detachably connected to the upper end face of the battery pack shell and connects the maintenance port with the power distribution cavity.

[0006] Furthermore, one or more AC fuse module cavities are preset in the power distribution cavity; the power distribution function module includes an AC fuse module, and the AC fuse module is arranged in the AC fuse module cavity.

[0007] Further, the terminal interface includes an AC port, and the AC port is electrically connected to the AC fuse module.

[0008] Furthermore, a PTC module cavity is preset in the power distribution cavity; the power distribution function module includes a PTC module, and the PTC module is arranged in the PTC module cavity.

[0009] Further, the terminal interface includes a PTC port, and the PTC port is electrically connected to the PTC module.

[0010] Furthermore, an MCU power distribution module cavity is preset in the power distribution cavity; the power distribution function module includes an MCU power distribution module, and the MCU power distribution module is arranged in the MCU power distribution module cavity.

[0011] Furthermore, the terminal interface includes an MCU power distribution port, and the MCU power distribution port is electrically connected to the MCU power distribution module.

[0012] Furthermore, the maintenance cover is detachably connected to the maintenance port cover by screws; the maintenance port cover is detachably connected to the upper end surface of the battery pack shell by screws.

[0013] Furthermore, an inclined surface structure is formed on both sides of the battery pack shell at the power distribution cavity, and mounting plates are respectively provided on both sides of the battery pack shell.

[0014] Correspondingly, in combination with the above solution, the utility model also provides a new energy vehicle, including a vehicle power battery pack; the vehicle power battery pack is the above-mentioned vehicle power battery pack with integrated multi-branch power distribution function.

[0015] The technical solution provided by the utility model can realize the power distribution function of the whole vehicle, simplify the power distribution function structure, realize the integration and lightweight of the battery pack of the whole vehicle, reduce the design and installation cost of the battery pack of the whole vehicle, and reduce the process assembly time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] The utility model will be further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a partial exploded view of an automotive power battery pack with integrated multi-branch power distribution function according to the utility model;

[0019] Figure 2 This is a partial exploded view of an automotive power battery pack with integrated multi-branch power distribution function according to the utility model;

[0020] Figure 3 This is an exploded diagram of an automotive power battery pack with integrated multi-branch power distribution function according to the utility model;

[0021] Figure 4 This is a schematic diagram of an automotive power battery with integrated multi-branch power distribution function according to the utility model;

[0022] Figure 5 This is a schematic diagram of an automotive power battery with integrated multi-branch power distribution function (without the cover plate) of the utility model.

[0023] In the figure: 1. Automobile power battery pack; 2. Maintenance cover; 3. Battery pack shell; 4. Cover plate; 5. Power distribution cavity; 6. Maintenance port; 7. AC port; 8. PTC port; 9. MCU power distribution port; 10. Screws; 11. Mounting plate; 12. Battery module cavity; 13. Battery module; 14. Inclined structure; 15. BDU port. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] like Figures 1 to 5 As shown, the utility model provides an automotive power battery pack with integrated multi-branch power distribution function, wherein the automotive power battery pack 1 comprises a maintenance cover 2, a battery pack shell 3, a battery module 13 and a power distribution function module; wherein the battery pack shell 3 integrates a power distribution cavity 5 and a battery module cavity 12, and the power distribution cavity 5 has a cavity reserved for reserving a power distribution branch for subsequent configuration and upgrading and contains a fuse space; further, a plurality of terminal interfaces are formed on the side of the battery pack shell 3, and the upper end surface of the battery pack shell 3 is an open surface; further In one embodiment, the power distribution cavity 5 and the battery module cavity 12 are independent cavities; further, the power distribution cavity 5 is located on the side of the battery pack shell 3 and is connected to the terminal interface; further, the battery module cavity 12 includes a plurality of independent mold cavities; the battery modules 13 are respectively arranged in each mold cavity, and the power distribution function module is arranged in the power distribution cavity 5; further, the maintenance port 6 is provided on the maintenance cover 2, and the maintenance port 6 is provided with a maintenance cover 4; specifically, the maintenance cover 4 is detachably connected to the maintenance cover 2 and covers the maintenance port 6. Repair port 6; further, the repair port cover 2 is detachably connected to the upper end surface of the battery pack shell 3, and the repair port 6 is connected to the distribution cavity 5; further, the repair cover 4 is connected to the repair port cover 2 by screws. When the repair port 6 needs to be opened, the locking screws fixing the repair port 6 are removed, and the repair cover 4 can be opened. The size of this repair port 6 must ensure that there is enough operating space for the tool to repair and replace PTC, AC insurance and MCU distribution modules, which is convenient for maintenance; the automotive power battery pack with integrated multi-branch power distribution function provided by the utility model can cancel the separate design of the electrical box, and design the distribution function module in the distribution cavity of the battery pack shell, and at the same time, a functional module cavity is reserved in the distribution cavity; the battery pack has a compact structure and can realize the power distribution function of the whole vehicle; by pre-setting the distribution cavity, the AC insurance module, the PTC module, and the MCU distribution module are integrated, so that the distribution box and the distribution box bracket of the whole vehicle are eliminated, and the whole vehicle is integrated and lightweight, thereby reducing the cost of the whole vehicle and reducing the process assembly time.

[0030] Preferably, in combination with the above scheme, Figures 1 to 5As shown, one or more AC fuse module cavities are preset in the distribution cavity 5; further, the distribution function module includes an AC fuse module, and the AC fuse module is arranged in the AC fuse module cavity; further, the terminal interface includes an AC port 7, and the AC port 7 is electrically connected to the AC fuse module; with the above-mentioned structural design, the distribution box of the battery pack can be eliminated, and there is no need to replace the plug-in opening of the distribution box of the battery pack with a corresponding four-core plug-in opening, and the electrical function connection can be realized by using a wiring harness or a copper bus.

[0031] Preferably, in combination with the above scheme, Figures 1 to 5 As shown, a PTC module cavity is preset in the power distribution cavity 5; further, the power distribution function module includes a PTC module, and the PTC module is arranged in the PTC module cavity; further, the terminal interface includes a PTC port 8, and the PTC port 8 is electrically connected to the PTC module.

[0032] Preferably, in combination with the above scheme, Figures 1 to 5 As shown, an MCU power distribution module cavity is preset in the power distribution cavity 5; further, the power distribution function module includes an MCU power distribution module, and the MCU power distribution module is arranged in the MCU power distribution module cavity; the terminal interface includes an MCU power distribution port 9, and the MCU power distribution port 9 is electrically connected to the MCU power distribution module.

[0033] Preferably, in combination with the above scheme, Figures 1 to 5 As shown, the maintenance cover 4 is detachably connected to the maintenance port cover 2 by screws 10; the maintenance port cover 2 is detachably connected to the upper end surface of the battery pack shell 3 by screws 10; when maintenance is needed, the screws 10 fixing the maintenance port cover 2 are removed, and the maintenance cover 4 is opened for maintenance, which is convenient for maintenance.

[0034] Preferably, in combination with the above scheme, Figures 1 to 5 As shown, an inclined structure 14 is formed on both sides of the battery pack shell 3 at the distribution cavity 5, and mounting plates 11 are respectively provided on both sides of the battery pack shell 3. The battery pack 1 can be fixed on the frame chassis through its mounting plates 11.

[0035] Accordingly, in combination with the above scheme, Figures 1 to 5 As shown, the utility model also provides a new energy vehicle, including a vehicle power battery pack; the vehicle power battery pack is the above-mentioned vehicle power battery pack with integrated multi-branch power distribution function; the vehicle power battery pack is fixed on the chassis of the frame through its mounting plate 11; the use of the above-mentioned vehicle power battery pack can realize the power distribution function of the whole vehicle, simplify the structure of the vehicle power battery pack, and at the same time expand the preset power distribution function, thereby reducing the development cost of the vehicle power battery pack.

[0036] The technical solution provided by the utility model can realize the power distribution function of the whole vehicle, simplify the power distribution function structure, realize the integration and lightweight of the battery pack of the whole vehicle, reduce the design and installation cost of the battery pack of the whole vehicle, and reduce the process assembly time.

[0037] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. An automotive power battery pack with integrated multi-branch power distribution function, characterized in that: The automotive power battery pack (1) comprises a maintenance cover (2), a battery pack shell (3), a battery module (13) and a power distribution function module; the battery pack shell (3) is integrated with a power distribution cavity (5) and a battery module cavity (12); a plurality of terminal interfaces are formed on the side of the battery pack shell (3); the upper end surface of the battery pack shell (3) is an open surface; the power distribution cavity (5) and the battery module cavity (12) are independent cavities; the power distribution cavity (5) is located on the side of the battery pack shell (3) and is connected to the terminal interface; the battery module cavity (12) comprises a plurality of independent mold cavities; the battery modules (13) are respectively arranged in each of the mold cavities, and the power distribution function module is arranged in the power distribution cavity (5); the maintenance port (6) is provided on the maintenance cover (2), and a maintenance cover (4) is provided at the maintenance port (6); the maintenance cover (4) is detachably connected to the maintenance cover (2) and covers the maintenance port (6); the maintenance cover (2) is detachably connected to the upper end surface of the battery pack shell (3) and enables the maintenance port (6) to communicate with the power distribution cavity (5).

2. The automotive power battery pack with integrated multi-branch power distribution function according to claim 1, characterized in that: One or more AC fuse module cavities are preset in the power distribution cavity (5); the power distribution function module comprises an AC fuse module, and the AC fuse module is arranged in the AC fuse module cavity.

3. The automotive power battery pack with integrated multi-branch power distribution function according to claim 2, characterized in that: The terminal interface comprises an AC port (7), and the AC port (7) is electrically connected to the AC fuse module.

4. The automotive power battery pack with integrated multi-branch power distribution function according to claim 1, characterized in that: A PTC module cavity is preset in the power distribution cavity (5); the power distribution function module comprises a PTC module, and the PTC module is arranged in the PTC module cavity.

5. The automotive power battery pack with integrated multi-branch power distribution function according to claim 4, characterized in that: The terminal interface comprises a PTC port (8), and the PTC port (8) is electrically connected to the PTC module.

6. The automotive power battery pack with integrated multi-branch power distribution function according to claim 1, characterized in that: The power distribution cavity (5) is preset with an MCU power distribution module cavity; the power distribution function module comprises an MCU power distribution module, and the MCU power distribution module is arranged in the MCU power distribution module cavity.

7. The automotive power battery pack with integrated multi-branch power distribution function according to claim 6, characterized in that: The terminal interface comprises an MCU power distribution port (9), and the MCU power distribution port (9) is electrically connected to the MCU power distribution module.

8. The automotive power battery pack with integrated multi-branch power distribution function according to claim 1, characterized in that: The maintenance cover plate (4) is detachably connected to the maintenance access cover (2) via screws (10); the maintenance access cover (2) is detachably connected to the upper end surface of the battery pack housing (3) via screws (10).

9. The automotive power battery pack with integrated multi-branch power distribution function according to claim 1, characterized in that: Inclined structures (14) are formed on the battery pack shell (3) on both sides of the power distribution cavity (5), and mounting plates (11) are respectively provided on both sides of the battery pack shell (3).

10. A new energy vehicle, comprising a vehicle power battery pack; characterized in that: The automotive power battery pack is an automotive power battery pack with integrated multi-branch power distribution function as described in any one of claims 1 to 9 above.

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