Constraining and accommodating shell and battery pack

Abstract

The utility model discloses a binding and accommodating shell which is used for binding a battery wire harness and accommodating a battery slave control BDU, and relates to the technical field of batteries. Comprising a shell body, the shell body is provided with a containing cavity, the cavity wall of the containing cavity is provided with at least one binding structure used for fixing a battery wire harness, a slave control containing area used for containing a battery slave control BDU is further arranged in the containing cavity, and the battery wire harness is connected with the battery slave control BDU in the containing cavity and a battery pack. The bundling and accommodating shell is used for bundling the battery wire harness and accommodating and protecting the battery slave control BDU, so that the wire harness is prevented from being bent and wound, and the battery slave control BDU is protected; moreover, when being applied to the battery pack, the bundling and accommodating shell can be combined with pack structures such as a battery module and a copper bar, so that the occupied space during wiring of the wire harness is further reduced, the energy density of the battery is improved, and the safety of the battery is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a bundling and accommodating shell for bundling battery wiring harnesses and accommodating slave BDU of batteries, and a battery pack. Background Art

[0002] In a grouped battery pack, when the wiring harness is being wired and installed, except for the connection terminals being fixed, other positions are not limited, resulting in the wiring harness being twisted and wound during the installation of the battery pack module, which affects the module assembly. Moreover, after the module is finished, problems such as loosening, pulling, and detachment occur during the vibration movement process, with a low yield rate and easy to cause potential safety hazards. Content of the Utility Model

[0003] The utility model provides a bundling and accommodating shell for bundling battery wiring harnesses and accommodating and protecting the slave BDU of the battery, avoiding the bending and winding of the wiring harness and protecting the slave BDU of the battery. Moreover, when the bundling and accommodating shell is applied to a battery pack, it can also be combined with pack structures such as battery modules and copper bars to further reduce the space occupied by the wiring harness during wiring, improve the battery energy density, and ensure battery safety to solve the above technical problems.

[0004] The technical solution of the utility model to solve the above problems is: to provide a bundling and accommodating shell for bundling battery wiring harnesses and accommodating the slave BDU of the battery, including a shell main body, the shell main body is provided with an accommodating cavity, at least one bundling structure for fixing the battery wiring harness is provided on the cavity wall of the accommodating cavity, and a slave accommodating area for accommodating the slave BDU of the battery is also provided in the accommodating cavity, and the battery wiring harness is also connected to the slave BDU of the battery in the accommodating cavity.

[0005] Further, the shell main body includes a bottom wall, a front side wall, and a rear side wall, the bottom wall, the front side wall, and the rear side wall enclose to form an accommodating cavity, and bundling structures are provided on the bottom wall, the front side wall, and the rear side wall.

[0006] Further, the bundling structure includes a cable tie and a hole structure opened on the cavity wall of the accommodating cavity for the cable tie to pass through and be fixed.

[0007] Further, the hole structure includes a strip-shaped hole opened on the bottom wall, and a convex component opened on the front side wall and the rear side wall, and a hole for the cable tie to pass through and be fixed is opened on the convex component.

[0008] Further, concave structures for avoiding copper bars are provided on both the front side wall and the rear side wall, and the concave structures also cooperate with the copper bars to position the shell main body.

[0009] Further, a notch structure for the battery wiring harness to pass through is also provided on the front side wall, and the notch structure is also used to avoid the copper bar.

[0010] The present utility model also provides a battery pack, which includes a battery module, a bracket, a copper busbar, a battery wiring harness, and the above-mentioned wire harness housing for receiving and fixing any one of them. The bracket is installed at one end of the battery module, the wire harness housing for receiving and fixing is installed on the bracket, one end of the copper busbar is connected to the battery module, and the other end extends out from the wire harness housing for receiving and fixing. The battery wiring harness is used to connect the battery module and the slave BDU arranged in the wire harness housing for receiving and fixing.

[0011] Further, at least one card slot is provided on the wire harness housing for receiving and fixing, and a clamping member for cooperating with the card slot is provided on the bracket. The clamping member is connected with the card slot in cooperation to fix the wire harness housing for receiving and fixing to the bracket.

[0012] Further, the clamping member includes a threaded portion for being fixedly installed on the bracket by threading, and a clamping body provided at one end of the threaded portion for cooperating with the card slot to be tightly clamped and connected.

[0013] Further, the battery wiring harness includes a module acquisition connector, an external communication connector, a slave connector, and a wiring harness main body. The wiring harness main body has a plurality of connection terminals. Among these connection terminals, a part of the connection terminals are used to connect the module acquisition connector, another part of the connection terminals are used to connect the slave connector, and the remaining connection terminals are used to connect the external communication connector.

[0014] The beneficial effects of the present utility model:

[0015] For a wire harness housing for receiving and fixing of the present utility model, by arranging a wire harness fixing structure in the housing body, the battery wiring harness is received and fixed in the accommodation cavity of the housing body, and the battery wiring harness is connected to the battery slave BDU also installed in the slave accommodation area in the accommodation cavity, so as to effectively avoid the battery wiring harness from being entangled with structures such as the battery module and the copper busbar after wiring is completed, reduce the interference and wear of the wiring harness, and effectively protect the battery slave BDU to avoid damaging the battery slave BDU when performing an insulation withstand voltage test of 4380V.

[0016] The present utility model also provides a battery pack. By fixedly installing the wire harness housing for receiving and fixing at the position of the bracket at the top of the battery module, and enabling the copper busbar to pass through the notch structure and the concave structure of the wire harness housing for receiving and fixing, and the external communication connector to extend out of the wire harness housing for receiving and fixing from the notch structure, the wire harness housing for receiving and fixing can be tightly combined with the battery module, the copper busbar, and the bracket after being installed in place. On the premise of ensuring that the battery wiring harness can be centrally received and fixed, the internal space utilization rate of the battery pack can be further improved, and the battery energy density can be increased. Description of the Drawings

[0017] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present utility model and, together with the description, are used to explain the principles of the present utility model. In these drawings, like reference numerals are used to represent like elements. The drawings in the following description are some embodiments of the present utility model, not all embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 One of the overall structural diagrams of the converging accommodation housing for this embodiment (the front side wall is in the front and the rear side wall is in the rear);

[0019] Figure 2 Another overall structural diagram of the converging accommodation housing for this embodiment (the front side wall is in the rear and the rear side wall is in the front);

[0020] Figure 3 The installation structure schematic diagram of the converging accommodation housing for this embodiment;

[0021] Figure 4 The overall structural diagram of the battery pack for this embodiment;

[0022] Figure 5 The enlarged structural diagram of the end position of the battery pack for this embodiment;

[0023] Figure 6 The structural diagram of the battery harness for this embodiment;

[0024] Figure 7 The exploded structural diagram of the clamping member for this embodiment;

[0025] 1 - housing body, 2 - bottom wall, 3 - front side wall, 4 - rear side wall, 5 - concave structure, 6 - notch structure, 7 - accommodation cavity, 8 - slave control accommodation area, 9 - cable tie, 10 - hole structure, 11 - strip hole, 12 - protrusion assembly;

[0026] 13 - battery module, 14 - bracket, 15 - copper busbar, 16 - battery harness, 17 - module acquisition connector, 18 - external communication connector, 19 - slave control connector, 20 - harness body, 21 - converging accommodation housing, 22 - clamping member, 23 - threaded portion, 24 - clamping body, 25 - card slot, 26 - battery slave control BDU. Detailed implementation manners

[0027] In this specification, orientation terms such as up, down, left, right, front, back, front side, back side, top, and bottom, which are mentioned or may be mentioned, are defined with respect to the structures shown in the respective drawings. The terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component. They are relative concepts and thus may change accordingly depending on their different positions and usage states. Therefore, these or other orientation terms should not be construed as restrictive terms.

[0028] Please refer to Figure 1 、 Figure 2 and Figure 3 and taking the orientation shown in Figure 1 as an example, a kind of converging accommodation housing in a specific embodiment of the present utility model includes a housing main body 1. The housing main body 1 is an overall strip-shaped frame structure. The housing main body 1 includes a bottom wall 2, a front side wall 3, and a rear side wall 4. The bottom wall 2 is a straight plate body. The front side wall 3 is vertically connected and arranged on the front side of the bottom wall 2, and the rear side wall 4 is vertically connected and arranged on the rear side of the bottom wall 2. The front side wall 3, the rear side wall 4, and the bottom wall 2 cooperate to form a concave accommodation cavity 7. A slave control accommodation area 8 dedicated to accommodating the battery slave control BDU26 is provided at the front side of the right end of the accommodation cavity 7. Most of the wire harness body of the battery wire harness 16 is also located in the accommodation cavity 7, and the battery wire harness 16 is also connected to the battery slave control BDU26 in the accommodation cavity 7.

[0029] Furthermore, a plurality of converging structures for converging and fixing the battery wire harness 16 are also provided in the accommodation cavity 7; the converging structure includes a cable tie 9 and a hole structure 10, and the hole structure 10 includes a strip-shaped hole 11 opened on the bottom wall 2 and a convex component 12 opened on the front side wall 3 and the rear side wall 4. Among them, every two strip-shaped holes 11 on the bottom wall 2 form a group, and a group of strip-shaped holes 11 are symmetrically arranged. The convex component 12 is provided with a hole for the cable tie 9 to pass through and be fixed. In this regard, when the battery wire harness 16 is arranged in the accommodation cavity 7, the cable tie 9 can pass through a group of strip-shaped holes 11 on the bottom wall 2 and simultaneously tighten the part of the body of the battery wire harness 16 close to the bottom wall 2 to bind and fix the part of the body of the battery wire harness 16 close to the bottom wall 2. The cable tie 9 can also pass through the hole of the convex component 12 and simultaneously tighten the part of the body of the battery wire harness 16 close to the front side wall 3 or the rear side wall 4 to bind and fix the part of the body of the battery wire harness 16 close to the front side wall 3, or bind and fix the part of the body of the battery wire harness 16 close to the rear side wall 4, thereby tightly binding and fixing the wire harness part of the battery wire harness 16 except for the connection terminals to prevent the wire harness from winding and wearing.

[0030] In addition, notch structures 6 are provided at both the left end and the right end of the front sidewall 3, and concave structures 5 are provided at the middle of the front sidewall 3 and at the right end position of the rear sidewall 4. Among them, the notch structure 6 at the left end of the front sidewall 3, the concave structure 5 at the middle of the front sidewall 3, and the concave structure 5 at the right end position of the rear sidewall 4 are each used to avoid a copper busbar 15, and the notch structure 6 at the right end of the front sidewall 3 is used for the external communication connector 18 of the battery harness 16 to protrude, so that the battery harness 16 is also connected to external equipment of the battery pack.

[0031] In addition, please refer to Figures 4 to 7 , a specific embodiment of the present utility model further includes a battery pack, which includes a plurality of battery modules 13, a bracket 14 provided at the lower right end of the battery module 13, a plurality of copper busbars 15, a battery harness 16, and a bundling and accommodating housing 21 also provided on the bracket 14. The battery slave control BDU 26 is arranged in the bundling and accommodating housing 21.

[0032] Specifically, the battery harness 16 includes a plurality of module acquisition connectors 17, an external communication connector 18, a plurality of slave control connectors 19, and a harness main body 20. The harness main body 20 has a plurality of connection heads. Among these several connection heads, a part of the connection heads are used to connect the module acquisition connectors 17, another part of the connection heads are used to connect the slave control connectors 19, and the remaining connection heads are used to connect the external communication connector 18. Correspondingly, the battery harness 16 is connected to a plurality of battery modules 13 respectively through a plurality of module acquisition connectors 17, and is connected to the battery slave control BDU 26 arranged in the bundling and accommodating housing 21 through a plurality of slave control connectors 19, and is connected to an external control system through an external communication connector 18 to collect the working information of the battery pack and control the working state of the battery to ensure battery safety.

[0033] In addition, when the bundling and accommodating housing 21 is installed on the bracket 14, specific volume channels or avoidance intervals are formed by the cooperation between the concave structures 5 on the bundling and accommodating housing 21 and the bracket 14 and the end faces of the battery modules 13 respectively. The notch structures 6 on the bundling and accommodating housing 21 also cooperate with the bracket 14 and the battery modules 13 to form a specific volume avoidance interval, so that one end of each copper busbar 15 can find the nearest channel or avoidance interval to protrude when connecting the battery cells at the other end. The structural form of the copper busbar 15 will not be affected by the additionally installed bundling and accommodating housing 21, ensuring the stable quality of the battery.

[0034] Furthermore, please refer to Figure 2 and Figure 7, four card slots 26 are equidistantly arranged on the outer side of the rear side wall 4, and four clamping members 22 are correspondingly arranged on the bracket 14. The clamping member 22 includes a threaded portion 23 and a clamping body 24. The clamping body 24 is adapted to the card slot 26, and the clamping body 24 is integrally connected to the threaded portion 23. The clamping member 22 is threadedly fixed to the bracket 14 through the threaded portion 23, and the converging accommodation housing 21 is clamped and installed on the clamping member 22 through the card slot 26, and then installed on the bracket 14.

[0035] For those not mentioned above, the prior art shall apply.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A converging accommodation housing for converging a battery wiring harness (16) and accommodating a battery slave BDU (26), characterized in that, It includes a housing body (1). The housing body (1) is provided with a receiving cavity (7). At least one bundling structure for fixing a battery wiring harness (16) is provided on the cavity wall of the receiving cavity (7). A slave control accommodating area (8) for accommodating a battery slave control BDU (26) is further provided in the receiving cavity (7). Moreover, the battery wiring harness (16) is also connected to the battery slave control BDU (26) in the receiving cavity (7).

2. The converging accommodation housing according to claim 1, characterized in that, The housing body (1) includes a bottom wall (2), a front side wall (3), and a rear side wall (4). The bottom wall (2), the front side wall (3), and the rear side wall (4) enclose to form the receiving cavity (7). And bundling structures are provided on the bottom wall (2), the front side wall (3), and the rear side wall (4).

3. The converging accommodation housing according to claim 2, wherein, The bundling structure includes a cable tie (9) and a hole structure (10) opened on the cavity wall of the receiving cavity (7) for the cable tie (9) to pass through and be fixed.

4. The converging accommodation housing according to claim 3, characterized in that, The hole structure (10) includes a strip-shaped hole (11) opened on the bottom wall (2) and a protrusion assembly (12) opened on the front side wall (3) and the rear side wall (4). A hole for the cable tie (9) to pass through and be fixed is opened on the protrusion assembly (12).

5. The converging accommodation housing according to claim 3, wherein, Concave structures (5) for avoiding a copper busbar (15) are provided on both the front side wall (3) and the rear side wall (4). And the concave structures (5) also cooperate with the copper busbar (15) to position the housing body (1).

6. The convergent accommodation housing according to claim 3, characterized in that, A notch structure (6) for the battery wiring harness (16) to pass through is further provided on the front side wall (3). The notch structure (6) is also used to avoid the copper busbar (15).

7. A battery pack, characterized in that, It includes a battery module (13), a bracket (14), a copper busbar (15), a battery wiring harness (16), and a bundling and accommodating housing (21) as described in any one of claims 1-6. The bracket (14) is installed at one end of the battery module (13). The bundling and accommodating housing (21) is installed on the bracket (14). One end of the copper busbar (15) is connected to the battery module (13), and the other end extends out from the bundling and accommodating housing (21). The battery wiring harness (16) is used to connect the battery module (13) and the slave control BDU arranged in the bundling and accommodating housing (21).

8. The battery pack according to claim 7, wherein At least one card slot (25) is provided on the bundling and accommodating housing (21). A clamping member (22) for cooperating with the card slot (25) is provided on the bracket (14). The clamping member (22) is connected in cooperation with the card slot (25) to fix the bundling and accommodating housing (21) to the bracket (14).

9. The battery pack according to claim 8, characterized in that, The clamping member (22) includes a threaded portion (23) for being fixedly installed on the bracket (14) by threading and a clamping body (24) provided at one end of the threaded portion (23) for cooperating with the card slot (25) to be clamped and connected.

10. The battery pack according to claim 7, wherein The battery wiring harness (16) includes a module acquisition connector (17), an external communication connector (18), a slave control connector (19), and a wiring harness main body (20). The wiring harness main body (20) has a plurality of connection heads. Among these several connection heads, a part of the connection heads are used to connect the module acquisition connector (17), another part of the connection heads are used to connect the slave control connector (19), and the remaining part of the connection heads are used to connect the external communication connector (18).

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