HOUSING COMPOSITE OF A BATTERY AND A BATTERY HAVING THE LATTER

Abstract

A housing composite of a battery having a housing element configured to be connected to another housing element to form an interior for receiving battery cells. A cover element is connected to the housing element defining a flow space through which temperature-control fluid can flow. The housing element forms a first temperature-control structure having a plurality of first flow interference elements, and/or the cover element forms a second temperature-control structure having a plurality of second flow interference elements. The plurality of first flow interference elements and the plurality of second flow interference elements are arranged in a plurality of rows. An element of a battery controller is arranged in a thermally conductive manner on the housing element and/or on the cover element. First longitudinal directions of first rows and second longitudinal directions of second rows are arranged at an angle to one another having a value between 45° and 135°.

Claims

1. A housing composite of a battery (100) having a housing element (2), which is configured to be connected to a further housing element (3) while forming a jointly formed interior (4) for receiving a plurality of battery cells (20), wherein a cover element (6) is furthermore connected to the housing element (2) in such a manner that a flow space (5) through which temperature-control fluid (7) can flow is fluid-tightly delimited, wherein the housing element (2) forms a first temperature-control structure (51) comprising a plurality of first flow interference elements (71), and/or the cover element (6) forms a second temperature-control structure (52) comprising a plurality of second flow interference elements (72), which are furthermore arranged respectively within the flow space (5) and around which temperature-control fluid (7) can flow, wherein the plurality of first flow interference elements (71) and the plurality of second flow interference elements (72) are arranged in a plurality of rows (9), wherein adjacent rows (9) are arranged spaced apart from one another, and an element (8) of a battery controller is arranged in a thermally conductive manner on the housing element (2) and/or on the cover element (6) wherein first longitudinal directions (10) of first rows (91) of a first region (41) and second longitudinal directions (11) of second rows (92) of a second region (42) are arranged at an angle (12) to one another having a value between 45° and 135°.

2. The housing composite according to claim 1, wherein adjacent first flow interference elements (71) and/or second flow interference elements (72) of first rows (91) respectively have a same spacing (93) and/or that adjacent first flow interference elements (71) and/or second flow interference elements (72) of second rows (92) respectively have a same spacing (94).

3. The housing composite according to claim 1, wherein first rows (91) and/or second rows (92) are respectively configured to be straight.

4. The housing composite according to claim 1, wherein adjacent first rows (91) and/or adjacent second rows (92) are respectively arranged offset from one another.

5. The housing composite according to claim 1, wherein the angle (12) has a value of 90°.

6. The housing composite according to claim 1, wherein the first flow interference elements (71) and/or the second flow interference elements (72) of the first region (41) and the first flow interference elements (71) and/or the second flow interference elements (72) of the second region (42) are formed differently from one another.

7. The housing composite according to claim 1, wherein the element (8) of the battery controller is arranged directly adjacent to the first temperature-control structure (51) and/or to the second temperature-control structure (52).

8. The housing composite according to claim 1, wherein the element (8) of the battery controller is an electrical voltage converter (81).

9. The housing composite according to claim 1, wherein the first flow interference elements (71) and/or the second flow interference elements (72) respectively comprise a circular cross-sectional region (70).

10. The housing composite according to claim 1, wherein the housing element (2) is configured as a die-cast housing (200).

11. The housing composite according to claim 1, wherein the housing composite (1) further comprises an inlet (141) configured for an inflow of temperature-control fluid (7) into the flow space (5), and an outlet (142) configured for an outflow of temperature-control fluid (7) out of the flow space (5).

12. A battery comprising a housing composite (1) according to claim 1, wherein the housing element (2) is connected to a further housing element (3) while forming an interior (4), and a plurality of battery cells (20) are received in the interior (4).

13. The housing composite according to claim 1, wherein the element (8) of the battery controller is arranged on a side of the housing element (2) facing away from the cover element (6) or on a side of the cover element (6) facing the interior (4).

14. The housing composite according to claim 7, wherein the element (8) of the battery controller is arranged on a side of the housing element (2) facing away from the cover element (6) or on a side of the cover element (6) facing the interior (4).

15. The housing composite according to claim 8, wherein the element (8) of the battery controller is a DC/DC converter (810), or an overcurrent protection device (82).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Exemplary embodiments of the invention are illustrated in the drawings and explained in greater detail in the subsequent description.

[0036] The Figures Show:

[0037] FIG. 1 a perspective view of an embodiment of a battery module according to the invention,

[0038] FIG. 2 a bottom view of an embodiment of a housing element of a housing composite according to the invention, and

[0039] FIG. 3 a top perspective view of an embodiment of a housing composite according to the invention.

DETAILED DESCRIPTION

[0040] FIG. 1 shows a perspective view of an embodiment of a battery 100 according to the invention.

[0041] The battery 100 comprises a housing element 2, which is configured so as to be connected to a further housing element 3 while forming a jointly formed interior 4 for receiving a plurality of battery cells 20. In FIG. 1, it is shown that the housing element 2 and the further housing element 3 are connected to one another. The interior 4 and the plurality of battery cells 2 are not shown in FIGS. 1 to 3.

[0042] Furthermore, in FIG. 1, an inlet 141 is shown, which is configured for an inflow of temperature-control fluid 7 into a flow space 5. In addition, in FIG. 1, an outlet 142 is shown, which is configured for an outflow of temperature-control fluid 7 out of this flow space 5.

[0043] It can further be seen from FIG. 1 that an element 8 of a battery controller is arranged in a thermally conductive manner on the housing element 2.

[0044] FIG. 2 shows an embodiment of a housing element 2 of a housing composite 1 according to the invention in a bottom view.

[0045] The housing element 2 is designed in particular as a die-cast housing 200.

[0046] The housing element 2 can further be connected to a cover element 6 not shown in FIG. 2 in such a manner that a flow space 5 through which temperature-control fluid 7 can flow is fluid-tightly delimited.

[0047] The housing element 2 forms a first temperature-control structure 51, which comprises a plurality of first flow interference elements 71.

[0048] Furthermore, it is also possible for the cover element 6 to form a second temperature-control structure 52, which comprises a plurality of second flow interference elements 72. This is not shown in FIGS. 1 to 3.

[0049] The plurality of first flow interference elements 71 or the plurality of second flow interference elements 72 are furthermore arranged respectively within the flow space 5 and additionally arranged for temperature-control fluid 7 to flow around them.

[0050] The plurality of first flow interference elements 71 is arranged in a plurality of rows 9. Here, adjacent rows 9 are arranged spaced apart from one another.

[0051] Furthermore, the housing composite 1 according to FIG. 2 comprises two first regions 41 as well as a second region 42. The two first regions 41 comprise first rows 91 and the second region 42 comprises second rows 92. The first rows 91 each have a first longitudinal direction 10, and the second rows 92 each have a second longitudinal direction 11. The first longitudinal direction 10 and the second longitudinal direction 11 are arranged at an angle 12 to one another. According to the exemplary embodiment shown in FIG. 2, the angle 12 has a value of 90°.

[0052] Adjacent first flow interference elements 71 of first rows 91 each have the same spacing 93, and adjacent first flow interference elements 71 of second rows 92 each have the same spacing 94. In particular, according to the exemplary embodiment of FIG. 2, the spacing 93 of the first rows 41 and the spacing 94 of the second rows 42 are identical.

[0053] Furthermore, it can also be seen from FIG. 1 that first rows 91 and second rows 92 are respectively configured so as to be straight.

[0054] Adjacent first rows 91 and adjacent second rows 92 are respectively arranged offset from one another.

[0055] According to the exemplary embodiment shown in FIG. 2, the first flow interference elements 71 of the first region 41 and the first flow interference elements 71 of the second region 42 are identical. It should be noted at this point that these can of course also be configured differently.

[0056] Two transition regions 43 are further formed between the first regions 41 and the second region 42. For example, these two transition regions 43 have a lower density of first flow interference elements 71 and second flow interference elements 72, respectively. As a result, a better deflection of the flow of the temperature-control fluid 7 between a first region 41 and a second region 42 can be achieved.

[0057] In addition, the inlet 141 as well as the outlet 142 can be seen.

[0058] FIG. 3 shows an embodiment of a housing composite 1 in a top perspective view.

[0059] It can first be seen in particular that the element 8 of a battery controller is arranged directly adjacent to the first temperature-control structure 51.

[0060] The element 8 of a battery controller is, for example, an electric voltage converter 81, in particular a DC-DC voltage converter 810, or an overcurrent protection device 82.

[0061] Furthermore, the two first regions 41 and the second region 42 as well as the two transition regions 43 can also be seen. It can further be seen that no components requiring intensive temperature-control are positioned within the transition region 43.

[0062] The position of the cover element 6 is indicated here.