US 11,690,199 B2Granted

Heat dissipation arrangement for battery distribution unit

AssigneesTE Connectivity Brasil Industria De Eletronicos LTDA, TE Connectivity Solutions GmbH

InventorsShanoo Revankar, Amadeu Luiz Fazani Cavallieri, Jeremy Christin Patterson, David Bruce Sarraf, Weiping Zhao, Xiaobao Geng

Life of this patent

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Abstract

A battery distribution unit includes a housing having a bottom mounted to a battery case of a battery module and having a component cavity with a contactor therein. The contactor has fixed contacts having terminating ends extending from a bottom end of a contactor housing. The BDU includes terminals at the bottom end of the contactor coupled to the terminating ends and a heat exchanger cap at the bottom end of the contactor. The heat exchanger cap is provided in the component cavity in thermal communication with the fixed contacts and in thermal communication with the battery case of the battery module to dissipate heat from the fixed contacts into the battery case of the battery module.

Claims26

Dependent claims

A battery distribution unit for a battery module comprising:

a housing including a bottom configured to be mounted to a battery case of the battery module, the housing including a component cavity;
a contactor received in the component cavity, the contactor having a contactor housing having a top end and a bottom end, the contactor including a movable contact in the contactor housing movable relative to fixed contacts to create an electrical switch that connects and disconnects the fixed contacts;
terminals at the bottom end of the contactor housing, the terminals coupled to terminating ends of the fixed contacts;
and
a heat exchanger cap at the bottom end of the contactor housing, the heat exchanger cap provided in the component cavity at the bottom of the housing, the heat exchanger cap in direct thermal communication with the fixed contacts and configured to be in thermal communication with the battery case of the battery module to dissipate heat from the fixed contacts into the battery case of the battery module.

2 more elements

A battery distribution unit for a battery module comprising:

a housing including a bottom configured to be mounted to a battery case of the battery module, the housing including a component cavity;
a circuit component received in the component cavity, the circuit component having a bottom surface facing the bottom of the housing;
and
a heat spreader in thermal communication with the bottom surface of the circuit component, the heat spreader provided at or below the bottom of the housing and configured to be in thermal communication with the battery case of the battery module to create a direct thermal path between the bottom surface of the circuit component and the battery case to dissipate heat from the bottom surface of the circuit component into the battery case of the battery module.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 16/522,184Filed 25 Jul 2019
Published: US 2021/0029846 A128 Jan 2021
Granted: 27 Jun 2023
Term ends: Not estimatedThe source records don’t support an estimate.

Classification23 codes

H05K 7/2039
Modifications to facilitate cooling, ventilating, or heating: characterised by the heat transfer by conduction from the heat generating element to…
H01H 45/14
Details of relays: terminal arrangements
H01M 50/138
Primary casings; Jackets or wrappings: adapted for specific cells, e.g. electrochemical cells operating at high temperature
H01M 50/204
Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders:…