Battery module and battery pack

Abstract

The utility model belongs to the technical field of power batteries, and particularly relates to a battery module and a battery pack. The battery module with the bracket on the side plate comprises the side plate and the bracket, clamping grooves are formed in the side plates; the support is connected with the clamping groove and the collection wire harness. The support is installed on the side plate to fix the collection wire harness, the assembly space of the wire harness can be saved, and the space utilization rate is improved.

Description

Technical Field

[0001] The present application relates to the field of power battery technology, in particular to a battery module and a battery pack Background Art

[0002] In order to alleviate the range anxiety of electric vehicles, the integration efficiency of the battery system needs to be continuously improved. One of the research directions is to continuously improve the space utilization of the system. In the battery pack, the collection harness is usually arranged between modules and modules, and between modules and the box. This requires a part of the space to be reserved in the whole pack. However, if the space is too large, it will affect the energy density of the whole pack, and if the space is too small, it will affect the assembly of the collection harness. The influence of the harness arrangement scheme on the box space utilization is crucial.

[0003] Therefore, there is an urgent need to provide a space-saving wiring harness arrangement solution. Utility Model Content

[0004] The purpose of the present application is to provide a battery module, in which a bracket is installed on a side panel to fix the collection harness, thereby saving assembly space for the harness and improving space utilization.

[0005] In order to solve the above technical problems, this application is implemented by adopting the following technical solutions:

[0006] In a first aspect, a battery module includes a side plate, characterized in that it also includes a bracket; the side plate is provided with a card slot; the bracket is connected to the card slot and connected to a collection harness.

[0007] In a further solution of the present application, the side panel comprises an insulating film, a side panel body and a mounting bracket connected in sequence;

[0008] The mounting bracket is provided with a protrusion toward the outside; the protrusion and the side plate body form the slot.

[0009] In a further solution, the protrusion is provided with an assembly hole.

[0010] According to a further solution of the present application, the bracket includes a connecting portion, a supporting portion and a fixing portion which are connected to each other; the connecting portion is connected to the card slot; the supporting portion is flush with the upper cover of the battery module of the side panel with the bracket; and the fixing portion is connected to the collection harness.

[0011] In a further solution, the connecting portion is provided with a bracket buckle.

[0012] In a further solution, the fixing portion is provided with a fixing groove for installing the collection harness.

[0013] Preferably, the fixing portion is arranged along the width direction or the length direction of the battery module of the side plate with bracket.

[0014] On the second aspect, the application itself discloses a battery pack, including the above-mentioned battery module.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The utility model provides a battery module with a side panel with a bracket, and the bracket is installed on the side panel to fix the collection harness, so that the collection harness can be arranged at the upper end of the module or along the edge of the side panel, which can save the assembly space of the harness and improve the space utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A top view of a battery module with a side plate and a bracket when the collection harness module provided in the first embodiment is arranged in the width direction;

[0018] Figure 2 A top view of a battery module with a side plate and a bracket when the collection harness module provided in the first embodiment is arranged in the length direction;

[0019] Figure 3 A schematic diagram of a battery module with a side panel and a bracket provided in Example 1;

[0020] Figure 4 An exploded view of a battery module with a side panel and a bracket provided in Example 1;

[0021] Figure 5 A schematic diagram of a side panel provided in Example 1;

[0022] Figure 6 A schematic diagram of the assembly holes of the side panel provided in the first embodiment;

[0023] Figure 7 A schematic diagram of a bracket provided in Example 1;

[0024] Among them, 1 is the upper cover; 2 is mica paper; 3 is the metal rivet; 4 is foam; 5 is the end plate; 6 is the insulating plate; 7 is the battery cell; 8 is the spacer; 9 is the side plate; 9.1 is the insulating film; 9.2 is the side plate body; 9.3 is the mounting bracket; 9.31 is the assembly hole; 10 is the bracket; 10.1 is the fixing slot; 10.2 is the bracket buckle; 11 is the integrated cover plate; 12 is the plastic rivet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use.

[0026] The present invention is further described below in conjunction with the implementation modes. The following implementation modes are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0027] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 invention can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0029] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, 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 cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning. Embodiment 1

[0030] This embodiment provides a battery module, see Figure 1 , Figure 2 , Figure 3 and Figure 4The battery module with a side plate and a bracket includes an upper cover 1, mica paper 2, foam 4, end plate 5, insulating plate 6, battery cell 7, spacer 8, side plate 9, integrated cover plate 11 and other existing components. The spacer 8 is located between the battery cell 7 and the battery cell 7, the insulating plate 6 is located between the double-row battery cells 7, the integrated cover plate 11 is welded on the battery cell 7, and the insulating paper 2 is located between the integrated cover plate 11 and the upper cover 1, which has the function of insulation and heat insulation to prevent the collection harness in the integrated cover plate 11 from being damaged after the battery cell 7 is thermally runaway. The foam 4 is located between the battery cell 7 and the end plate 5, the side plate 9 is fixed to the end plate 5 by metal rivets 3, and the upper cover 1 is fixed to the integrated cover plate 11 by plastic rivets 12. In this embodiment, a bracket 10 is added on the basis of the existing structure. In addition, a card slot is added to the side plate 9; the bracket 10 is plugged into the card slot and connected to the collection harness 13. The bracket 10 is plugged into the card slot, and the bracket 10 is in a fixed state, which can keep the battery module stable during driving vibration.

[0031] For details, see Figure 5 The side panel 9 includes an insulating film 9.1, a side panel body 9.2 and a mounting bracket 9.3 which are connected in sequence; the side panel body 9.2 and the mounting bracket 9.3 are integrated by welding or the like; the mounting bracket 9.3 is provided with a protrusion toward the outside; the protrusion and the side panel body 9.2 form a card slot. The number of protrusions and card slots is not limited and can be set as needed. The insulating film 9.1 is attached to the side panel body 9.2 to play a role of insulation protection. The card slot structure on the side panel 9 can be set at different positions of the module side panel as needed to meet the assembly of different parts, so that a variety of layout methods can be realized in the box. In addition to forming the card slot by setting the protrusion, the card slot can also be made by machining, bonding and other processes.

[0032] For details, see Figure 6 The protrusion is provided with a mounting hole 9.31.

[0033] For details, see Figure 7 The bracket 10 includes a connecting portion, a supporting portion and a fixing portion which are connected to each other; the connecting portion is connected to the card slot; the supporting portion is flush with the upper cover 1 of the battery module with the side panel bracket; and the fixing portion is connected to the collection harness 13. Preferably, the connecting portion is provided with a bracket buckle 10.2, and the bracket buckle 10.2 is engaged with the assembly hole 9.31, and the bracket buckle 10.2 plays the role of fixing the bracket 10. The fixing portion is provided with a fixing groove 10.1 for installing the collection harness 13. The fixing portion is arranged along the width direction or the length direction of the battery module with the side panel bracket. The bracket 10 is fixed by the connection portion cooperating with the card slot of the side panel 3 and the bracket buckle 10.2 being engaged with the assembly hole 9.31. The bracket buckle 10.2 adopts a three-sided hollow design, so that the bracket buckle 10.2 can be easily pressed, which is convenient for the installation and disassembly of the bracket 10.

[0034] See also Figure 1 , Figure 2The collection harness 13 can be arranged along the width direction at the upper end of the module through the bracket 10, or the collection harness 13 can be arranged along the edge of the side plate through three brackets 10, which can greatly save the arrangement space of the collection harness. Through the flexible arrangement of the bracket 10 on the side plate 9, the collection harness 13 can be arranged in different ways, greatly improving the flexibility of the whole package system structure.

[0035] In this embodiment, the bracket 10 can form a larger support plane. In addition to meeting the needs of collecting wire harness layout, it can also be used as a bracket for high-voltage copper bus routing, which has more application scenarios. Embodiment 2

[0036] This embodiment provides a battery pack, comprising the battery module described in Embodiment 1. The battery pack has the advantages of high space utilization and high energy density.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0038] It is known from common technical knowledge that the present application can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present application or within the scope equivalent to the present application are included in the present application.

Claims

1. A battery module, comprising a side plate (9), characterized in that: It also includes a bracket (10); the side plate (9) is provided with a card slot; the bracket (10) is connected to the card slot and connected to the collection harness (13); The side plate (9) comprises an insulating film (9.1), a side plate body (9.2) and a mounting bracket (9.3) which are connected in sequence; The mounting bracket (9.3) is provided with a protrusion facing outward; the protrusion and the side plate body (9.2) form the slot.

2. The battery module according to claim 1, characterized in that: The protrusion is provided with a mounting hole (9.31).

3. The battery module according to claim 1, characterized in that: The bracket (10) comprises a connecting portion, a supporting portion and a fixing portion which are connected to each other; the connecting portion is connected to the card slot; the supporting portion is flush with the upper cover (1) of the battery module with the side plate bracket; and the fixing portion is connected to the collection harness (13).

4. The battery module according to claim 3, characterized in that: The connecting portion is provided with a bracket buckle (10.2).

5. The battery module according to claim 3, characterized in that: The fixing portion is provided with a fixing groove (10.1) for installing the collection harness (13).

6. The battery module according to claim 5, characterized in that: The fixing portion is arranged along the width direction or the length direction of the battery module of the side plate with bracket.

7. A battery pack, characterized in that: A battery module comprising any one of claims 1 to 6.

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