Equipment for introducing a filler into a box-shaped housing base

Abstract

The invention relates to a device (1) for introducing a filler (3) into a box-shaped housing base (2) of an electrical energy storage device. According to the invention, the device (1) comprises a trough-shaped body (1.1), - wherein the trough-shaped body (1.1) has a base (1.1.1) with a number of recesses (A) arranged parallel to a transverse axis of the trough-shaped body (1.1) at regular intervals to each other for applying the filler (3) to a base area (B) of the lower part of the housing (2) and - a number of hanging elements (1.2) are arranged on each of the longitudinal sides of the tub-shaped body (1.1) for hanging the tub-shaped body (1.1) into the box-shaped housing base (2).

Description

[0001] The invention relates to an operating means for introducing a filler into a box-shaped housing lower part of an electrical energy storage device.

[0002] DE 10 2019 208 805 B3 discloses a method for introducing a thermally conductive filling compound with a variable filler content, a battery module device, a motor vehicle, and a system for introducing filler content. By means of the method, the thermally conductive filling compound is introduced into a gap of varying height, which is formed between a first component and a second component when they are joined together. The proportion of a thermally conductive filler contained in the filling compound is varied depending on the height of the gap.

[0003] The invention is based on the object of specifying an operating means for introducing a filler into a housing lower part of an electrical energy storage device.

[0004] The object is achieved according to the invention by an operating means which has the features specified in claim 1.

[0005] Advantageous embodiments of the invention are the subject of the subclaims.

[0006] According to the invention, an operating means for introducing a filler into a box-shaped housing base of an electrical energy storage device comprises a trough-shaped body. The trough-shaped body has a base with a number of recesses arranged parallel to a transverse axis of the trough-shaped body at regular intervals from one another for applying the filler to a base region of the housing base. Furthermore, a number of suspension elements for suspending the trough-shaped body in the box-shaped housing base are arranged on each of the longitudinal sides of the trough-shaped body.

[0007] Using a tool designed in this way, it is possible to apply the filler, particularly a thermally conductive filler, to the base area of ​​the housing base without the use of automated systems and measuring devices. Existing tolerances in the housing base are compensated for by the tool. Costs can be reduced, and a high-quality and functional thermal connection of the component can be largely ensured.

[0008] Embodiments of the invention are explained in more detail below with reference to drawings.

[0009] Showing: Fig. 1 schematically shows a sectional view of a housing lower part of a housing for an electrical energy storage device with an operating means, Fig. 2 schematically shows a perspective view of the equipment and Fig. 3 schematically shows a sectional view of a further perspective view of the equipment.

[0010] Corresponding parts are provided with the same reference numerals in all figures.

[0011] Fig. 1 shows a sectional view of an operating device 1, which is arranged hanging in a box-shaped housing lower part 2 of a housing for an electrical energy storage device (not shown in detail).

[0012] In Fig. 2 is a perspective view of the equipment 1 and in Fig. 3 shows a sectional view of a further perspective view of the equipment 1.

[0013] At least one cell assembly, at least one so-called battery module, can be inserted into the housing base 2. To thermally optimize the coupling of the cell assembly to a temperature control device of the energy storage device and to compensate for tolerances between the cell assembly and the base area B of the housing base 2, a filler 3 is applied to a base area B of the housing base 2. Applying the correct amount of filler 3, which is particularly thermally conductive, is comparatively important for the service life and performance of the electrical energy storage device.

[0014] In order to apply a correct amount of the filler 3 to the bottom area B of the lower housing part 2 without using automated systems and measuring devices, an operating means 1 is provided which is described in more detail below.

[0015] The equipment 1 comprises a tub-shaped body 1.1 and a number of hanging elements 1.2 projecting vertically from the longitudinal sides of the tub-shaped body 1.1. According to the Fig. In the embodiment shown in Figure 2, three hanging elements 1.2 are provided on each long side.

[0016] A base 1.1.1 of the trough-shaped body 1.1 has a number of recesses A, in particular interruptions, arranged parallel to a transverse axis of the trough-shaped body 1.1 at regular intervals. The recesses A are positioned such that the filler 3, which can be applied to the base region B of the housing lower part 2 through the recesses A, is applied to the base region B in a positioned manner. This means that a respective position of a recess A corresponds to a position of the filler 3 to be applied.

[0017] For this purpose, the operating device 1 is suspended in the housing base 2 by means of the hook-shaped hanging elements 1.2. In particular, a section of the respective hanging element 1.2 rests on a narrow side of a longitudinal side wall 2.1 of the housing base 2. The bottom 1.1.1 of the trough-shaped body 1.1 of the operating device 1 thus serves as a reference plane, independent of an adhesive surface, for the position and height of an application of the filler 3. The position of the reference plane is thus determined by an edge region of the longitudinal side walls 2.1 of the housing base 2, from which the operating device 1 is arranged in a suspended manner. Thus, a planned mounting plane of the at least one cell assembly, i.e. of the at least one battery module, represents a reference for the height of the application of the filler 3 to the bottom region B of the housing base 2.Accordingly, the height of the application of the filler 3 is selected such that the at least one cell composite occupies a predetermined position with respect to the edge region of the longitudinal side walls 2.1 and is thus independent of possible unevenness of the floor region B to which the filler 3 is applied.

[0018] By means of such a design of the device 1, it can be largely ensured that the heat-conducting filler 3 is applied in the correct quantity to the designated positions of the base area B of the housing base 2 in a manual process. Thus, a required degree of wetting can be determined given existing tolerances.

[0019] As in Fig.3, the bottom 1.1.1 of the tub-shaped body 1.1 has a curvature W, so that the bottom 1.1.1 is lowered laterally along the long sides, whereby air inclusions can be largely excluded when the filler 3 is applied.

[0020] For example, the operating means 1 can be made of plastic and / or metal and / or a composite material and / or another suitable material. List of reference symbols 1 operating resources 1.1 tub-shaped body 1.1.1 Soil 1.2 Hanging element 2 Housing base 2.1 Longitudinal side wall 3 Filler A recess B Floor area W curvature QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] DE 10 2019 208 805 B3

[0002]

Claims

[1] Operating means (1) for introducing a filler (3) into a box-shaped housing lower part (2) of an electrical energy storage device, characterized by a tub-shaped body (1.1), - wherein the trough-shaped body (1.1) has a base (1.1.1) with a number of recesses (A) arranged parallel to a transverse axis of the trough-shaped body (1.1) at regular intervals from one another for applying the filler (3) to a base region (B) of the housing lower part (2) and - a number of hanging elements (1.2) are arranged on each of the longitudinal sides of the tub-shaped body (1.1) for hanging the tub-shaped body (1.1) into the box-shaped housing lower part (2). [2] Operating means (1) according to claim 1, characterized bythat the bottom (1.1.1) of the trough-shaped body (1.1) is at least partially spaced from the bottom region (B) of the housing lower part (2) when suspended in relation to the housing lower part (2). [3] Operating means (1) according to claim 1 or 2, characterized by that the bottom (1.1.1) of the trough-shaped body (1.1) has a curvature (W) to reduce air inclusions when the filler (3) is applied. [4] Operating means (1) according to one of the preceding claims, characterized by that the hanging elements (1.2) are hook-shaped for hanging arrangement on the longitudinal side walls (2.1) of the housing base (2). [5] Operating means (1) according to one of the preceding claims, characterized by that at least the base (1.1.1) has dimensions which correspond to dimensions of at least one cell assembly which can be arranged in the housing lower part (2).

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