CN212033100U

CN212033100U - Battery pack and vehicle

Info

Publication number: CN212033100U
Application number: CN202020937642.5U
Authority: CN
Inventors: 林水杉
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-11-27
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a battery technology field provides a battery package and vehicle, battery package, including box and battery supervision unit, the lateral wall of box is inside sunken to form the installation cavity, and battery supervision unit inserts and locates in the installation cavity to, the terminal surface of battery supervision unit is installed on the lateral wall of box. The utility model provides a battery pack sets up the installation cavity with battery supervision unit looks adaptation at the lateral wall of box, is about to battery supervision unit side dress and goes into in the box, when needing the maintenance, need not to open the box, can follow the installation cavity and take out battery supervision unit.

Description

Battery pack and vehicle

Technical Field

The utility model relates to a battery technology field especially provides a battery package and have vehicle of this battery package.

Background

The battery supervision unit is an electric power distribution unit of the power battery pack, has the function of ensuring that the battery pack transmits power electric energy to the whole vehicle, and is a bridge for power supply and signal transmission of high-voltage equipment of the whole vehicle inside and outside the battery pack. And receive battery management system's instruction at any time, in time realize the battery package power-on and power-off function.

At present, the battery supervision unit is installed inside the battery pack, and in addition, the battery supervision unit is a quick-wear part, and when the battery pack is maintained, the box body of the battery pack needs to be disassembled, so that the maintenance difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery package aims at solving the problem of the inconvenient maintenance of battery supervision unit of current battery package.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a battery pack, includes box and battery supervision unit, and the lateral wall of box is inside sunken to form the installation cavity, and battery supervision unit inserts and locates the installation cavity to, battery supervision unit's terminal surface is installed on the lateral wall of box.

The utility model has the advantages that: the utility model provides a battery pack, set up the installation cavity with battery supervision unit looks adaptation at the lateral wall of box, be about to in the battery cooperation box side packing into box, when needing the maintenance, need not to open the box, can take out battery supervision unit.

In one embodiment, the outside of the battery supervision unit is covered with a shielding layer.

By adopting the technical scheme, the battery monitoring unit obtains good electromagnetic shielding, and radiation and high-voltage interference are reduced.

In one embodiment, the shielding layer is a metal layer.

In one embodiment, the battery supervision unit comprises a leading-out copper bar used for being connected with the anode and the cathode of the battery, and the box body is provided with a maintenance opening corresponding to the leading-out copper bar.

Through adopting above-mentioned technical scheme, when will drawing forth the copper bar and being connected with battery positive pole, negative pole, the accessible maintenance mouth operates, at this moment, also need not to open the box, and it is more convenient to operate.

In one embodiment, the inner side wall of the mounting cavity and the outer side wall of the battery supervision unit are provided with positioning guide structures.

Through adopting above-mentioned technical scheme, improve battery supervision unit assembly efficiency and assembly stability.

In one embodiment, the positioning guide structure comprises a guide groove formed on the inner side wall of the installation cavity and a guide convex rib which is arranged on the outer side wall of the battery supervision unit and matched with the guide groove, or the positioning guide structure comprises a guide convex rib formed on the inner side wall of the installation cavity and a guide groove formed on the outer side wall of the battery distribution box and matched with the guide convex rib.

Through adopting above-mentioned technical scheme, the protruding muscle of direction and guide way looks adaptation realize that battery supervision unit assembles into the installation intracavity fast.

In one embodiment, the battery supervision unit further comprises a rear-drive connector, the rear-drive connector is arranged at the top end of the box body, and the rear-drive connector extends outwards along the top end of the vertical box body and then extends towards the inserting direction of the battery supervision unit.

Through adopting above-mentioned technical scheme, change the direction of drawing forth of back drive connector, required space when avoiding the pencil to buckle to and adopt the grafting mode, solve the fixed problem of coming the pencil well, simultaneously, saved the copper bar, the cost is reduced and the installation risk.

In one embodiment, the box body comprises a lower box body, the top end portion of the lower box body is inwards recessed to form an assembly cavity, the edge side portion of the lower box body outwards protrudes to form a flange covering the assembly cavity, and the rear-drive connector is arranged on the flange and corresponds to the assembly cavity.

Through adopting above-mentioned technical scheme, the pencil holding of back drive connector in the assembly cavity has reduced the risk of back drive pencil interference, and the whole car winding displacement is compacter.

In one embodiment, the battery supervision unit further comprises a front-drive connector and a quick-charge connector, wherein the plugging direction of the front-drive connector is the same as the opening direction of the installation cavity, and the front-drive connector and the quick-charge connector are on the opposite sides of the rear-drive connector.

Through adopting above-mentioned technical scheme, forerunner's connector and fill the connector soon and lie in same one side, and with the different side of rear-guard's connector, convenient grafting simultaneously.

The utility model also provides a vehicle, including foretell battery package.

The utility model has the advantages that: the utility model provides a vehicle, on the basis that has above-mentioned battery package, the maintenance is more mode.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded view of a battery pack according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a battery supervision unit of a battery pack according to an embodiment of the present invention;

fig. 3 is a left side view of a battery supervision unit of a battery pack according to an embodiment of the present invention;

fig. 4 is a front view of a box of a battery pack according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a box of a battery pack provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

the battery pack comprises a battery pack 100, a box body 10, a battery supervision unit 20, an installation cavity 10a, a shielding layer 30, a leading-out copper bar 21, a maintenance opening 10b, a positioning guide structure 40, a guide groove 41, a guide convex rib 42, a rear drive connector 22, a lower box body 11, an assembly concave cavity 11a, a flanging 11b, a front drive connector 23 and a quick charge connector 24.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, an embodiment of the present invention provides a battery pack 100, which includes a box 10 and a battery supervision unit 20, a side wall of the box 10 is recessed inward to form an installation cavity 10a, the battery supervision unit 20 is inserted into the installation cavity 10a, and an end surface of the battery supervision unit 20 is installed on the side wall of the box 10. Here, the battery monitoring unit includes, but is not limited to, a bms (battery Management system) battery Management system; and/or a battery control unit, for example, one or more of a bdu (battery Distribution unit) battery Distribution box, a pdu (power Distribution unit) battery Distribution unit, and an edu (electrical Drive unit) electrically-controlled driving unit.

The utility model provides a battery package 100, the lateral wall of box 10 offer with the installation cavity 10a of battery supervision unit 20 looks adaptation, be about to in the box 10 is packed into to battery cooperation box side, when needing the maintenance, need not to open box 10, can take out battery supervision unit 20.

Referring to fig. 2, in one embodiment, the battery monitor unit 20 is covered with a shielding layer 30. By adopting the technical scheme, the battery monitoring unit 20 obtains good electromagnetic shielding, and radiation and high-voltage interference are reduced. Specifically, the shielding layer 30 is a metal layer. For example a metal housing that conforms to the outline of the battery supervision unit 20.

Referring to fig. 1 and 5, in an embodiment, the battery monitoring unit 20 includes an outgoing copper bar 21 for connecting with the positive electrode and the negative electrode of the battery, and the box 10 is provided with a maintenance opening 10b corresponding to the outgoing copper bar 21. It can understand, draw out copper bar 21 and be used for being connected with battery positive pole, negative pole, accessible maintenance door 10b operates, at this moment, also need not to open box 10, and it is more convenient to operate. In the non-use state, the service opening 10b is blocked.

Referring to fig. 1, 3 and 4, in one embodiment, the inner sidewall of the mounting cavity 10a and the outer sidewall of the battery supervision unit 20 are provided with positioning guide structures 40. As can be appreciated, the efficiency and stability of assembly of the battery supervision unit 20 can be improved by adding the positioning guide structure 40. Specifically, the positioning guide structure 40 includes a guide groove 41 opened on the inner side wall of the mounting cavity 10a, and a guide rib 42 fitted with the guide groove 41 and provided on the outer side wall of the battery supervision unit 20. The guide rib 42 is matched with the guide groove 41 to realize the quick assembly of the battery supervision unit 20 into the installation cavity 10 a. Of course, the positions of the guide ribs and the guide grooves can be changed.

Or, in another embodiment, the positioning guide structure 40 is a rail provided on the inner side wall of the mounting cavity 10a and a slide rail provided on the outer side wall of the battery monitoring unit 20 and adapted to the rail, and the slide rail moves in a telescopic manner under the guiding action of the rail, so as to ensure that the battery monitoring unit 20 stably extends or is accommodated relative to the box.

Referring to fig. 1, in one embodiment, the battery supervision unit 20 further includes a rear-drive connector 22, the rear-drive connector 22 is disposed at a top end of the box 10, and the rear-drive connector 22 protrudes outward along a direction perpendicular to the top end of the box 10 and then extends toward an insertion direction of the battery supervision unit 20. Compared with the existing lead-out mode of 180-degree bending from the side end part of the box body 10 to the top end part of the box body 10, the lead-out mode of the rear-drive connector 22 avoids the space required when the wiring harness is bent, adopts the plug-in mode, well solves the problem of fixing the wiring harness, saves copper bars and reduces cost and installation risk.

Referring to fig. 1 and 5, in particular, the case 10 includes a lower case 11, a top end portion of the lower case 11 is recessed inward to form an assembly cavity 11a, a rim side portion of the lower case 11 is extended outward to form a flange 11b covering the assembly cavity 11a, and the rear connector 22 is disposed on the flange 11b and corresponds to the assembly cavity 11 a. It is understood that the side end portion of lower case 11 is recessed to form mounting cavity 10a, and at the same time, mounting cavity 11a is opened at the top end portion of lower case 11, so that the opening direction of mounting cavity 10a is different from the opening direction of mounting cavity 11 a. The wiring harness of the rear-drive connector 22 is accommodated in the assembly cavity 11a, so that the interference risk of the rear-drive wiring harness is reduced, and the whole bus cable is more compact.

Referring to fig. 1, in an embodiment, the battery supervision unit 20 further includes a front connector 23 and a quick-charging connector 24, which have the same plugging direction as the opening direction of the installation cavity 10a, and the front connector 23 and the quick-charging connector 24 are both on the opposite side of the rear connector 22. It can be understood that the front-drive connector 23 and the quick-charge connector 24 are located on the same side and on the opposite side of the rear-drive connector 22, that is, the front-drive connector 23, the quick-charge connector 24 and the rear-drive connector 22 are located on different mounting surfaces of the battery monitoring unit 20, so that the concentration of the connectors is avoided, and the connectors are conveniently plugged at the same time.

The utility model also provides a vehicle, including foretell battery package 100.

The utility model provides a vehicle, on the basis that has above-mentioned battery package 100, the maintenance is more mode.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a battery pack, includes the box and is used for supervising the battery supervision unit of battery module, its characterized in that: the side wall of the box body is inwards sunken to form a mounting cavity, the battery monitoring unit is inserted in the mounting cavity, and the end face of the battery monitoring unit is mounted on the side wall of the box body.

2. The battery pack according to claim 1, wherein: the outer side of the battery monitoring unit is coated with a shielding layer.

3. The battery pack according to claim 2, wherein: the shielding layer is a metal layer.

4. The battery pack according to claim 1, wherein: the battery supervision unit comprises a leading-out copper bar connected with the anode and the cathode of the battery, and the box body is provided with a maintenance opening corresponding to the leading-out copper bar.

5. The battery pack according to claim 1, wherein: and the inner side wall of the mounting cavity and the outer side wall of the battery supervision unit are provided with positioning guide structures.

6. The battery pack according to claim 5, wherein: the positioning guide structure comprises a guide groove arranged on the inner side wall of the mounting cavity and a guide convex rib which is arranged on the outer side wall of the battery supervision unit and is matched with the guide groove; or, the location guide structure is including locating protruding muscle of direction on the installation cavity inside wall, and set up in on the battery supervision unit lateral wall and with the guide way of protruding muscle looks adaptation of direction.

7. The battery pack according to claim 1, wherein: the battery supervision unit further comprises a rear-drive connector, the rear-drive connector is arranged at the top end of the box body, and the rear-drive connector extends along the inserting direction of the battery supervision unit after protruding outwards along the top end perpendicular to the box body.

8. The battery pack according to claim 7, wherein: the box includes box down, the top portion of box inwards caves in and forms the assembly cavity down, the marginal side portion of box outwards stretches the formation of protruding cover in the turn-ups of assembly cavity down, the back-drive connector is located on the turn-ups and with the assembly cavity is corresponding.

9. The battery pack according to claim 7, wherein: the battery supervision unit further comprises a front-drive connector and a quick-charge connector, wherein the plugging direction of the front-drive connector is the same as the opening direction of the installation cavity, and the front-drive connector and the quick-charge connector are on different sides of the rear-drive connector.

10. A vehicle, characterized in that: comprising a battery pack according to any one of claims 1 to 9.