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Method and system for thermally connecting a heat source of a battery system to a heat sink of a battery system

A technology for battery systems and heat sinks, applied in the field of heat sinks, can solve problems such as expensive and no longer meaningful, and achieve the effect of reducing weight

Pending Publication Date: 2021-08-24
LISA DRAXLMAIER GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Repairs that may be necessary are then more expensive and in some cases no longer make economic sense

Method used

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  • Method and system for thermally connecting a heat source of a battery system to a heat sink of a battery system

Examples

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Embodiment Construction

[0029] In the only illustration, a system 10 for thermally connecting battery cells 12 to a cooling plate 14 of a battery system (not further shown) is shown schematically. The battery cells 12 and the cooling plate 14 in the following explanations represent only exemplary examples of possible heat sources or cooling fins for use in the battery system.

[0030] The system 10 includes a positioning device 16 in the form of a robot arm or similar, designed to use a corresponding arm 18 to carry out a positioning process in which the pressing The electrically insulating heat conducting material 24 arranged between the electrically conductive housing surface 20 of the battery cell 12 and the electrically conductive heat transfer surface 22 of the cooling plate 14 serving as a heat sink reduces the The distance between the electrically conductive housing surface 20 and the electrically conductive heat transfer surface 22 . For this purpose, the positioning device 16 can grasp the ...

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Abstract

The invention relates to a method for thermally connecting a heat source (12) of a battery system to a heat sink (14) of a battery system, comprising the steps of: carrying out a setting process by means of a setting apparatus (18), in which setting process a distance between an electrically conductive housing surface (20) of the heat source (12) and an electrically conductive heat transfer surface (22), which is part of the heat sink (14) or adjoins said heat sink, is reduced with compression of an electrically insulating thermally conductive material (24) which is arranged therebetween; carrying out a continuous capacitance measurement between the housing surface (20) and the heat transfer surface (22) during the setting process by means of a measuring apparatus (26); monitoring a layer thickness of the thermally conductive material (24) and controlling the setting apparatus (18) by means of a control device (30) on the basis of the capacitance measurement until a prespecified layer thickness of the thermally conductive material (24) is reached. The invention further relates to a system (10) for thermally connecting the heat source (12) of the battery system to the heat sink (14) of the battery system.

Description

technical field [0001] The invention relates to a method and a system for thermally connecting a heat source of a battery system to a heat sink of a battery system. Background technique [0002] There are generally many heat sources in a battery system, such as battery cells, battery modules connected into battery cells, conductive components, such as fuses, bus bars, relays, and the like. Therefore, especially in high-efficiency battery systems, it is common and necessary to provide cooling fins, for example in the form of cooling systems through which liquid flows or similar, in order to be able to dissipate excess heat from such heat sources. discharge. [0003] It is known per se, for example, to provide thermal interfaces for the thermal connection of battery cells to cooling surfaces. Such thermal interfaces are generally formed by thermally conductive materials in the form of so-called caulks or thermal interface materials or thermally conductive adhesives. Such he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/653H01M10/6554H01M10/48H01M50/202
CPCH01M2220/20H01M10/625H01M10/653H01M10/655Y02E60/10H01M10/613H01M10/6554H01M50/204H01M10/0404Y02P70/50H01M50/202H01M10/48
Inventor 斯特凡·塞德尔亚历山大·哈恩
Owner LISA DRAXLMAIER GMBH
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