Cost optimized cell voltage tap-off connection
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01R-011/00
H01R-011/28
G01R-031/36
H01M-010/42
H01M-010/48
H01R-013/62
H01R-043/02
H01M-002/20
H01R-004/62
출원번호
US-0871044
(2013-04-26)
등록번호
US-9413086
(2016-08-09)
우선권정보
EP-12166004 (2012-04-27)
발명자
/ 주소
Erhart, Michael
Geidl, Uwe
Hafellner, Martin
Korherr, Thomas
출원인 / 주소
Samsung SDI Co., Ltd.
대리인 / 주소
Lewis Roca Rothgerber Christie LLP
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
A voltage tap element configured to tap off the voltage of a battery cell of a battery unit by an electronics unit, a cell supervisory unit having such voltage tap elements, and a battery unit having such a cell supervisory unit, and methods for producing the cell supervisory unit and the battery un
A voltage tap element configured to tap off the voltage of a battery cell of a battery unit by an electronics unit, a cell supervisory unit having such voltage tap elements, and a battery unit having such a cell supervisory unit, and methods for producing the cell supervisory unit and the battery unit. The voltage tap element is designed as a clip composed of a first metal, with a first end of the clip having a first contact region which establishes a operative connection to the electronics unit, and a second end of the clip having a second contact region for establishing a connection to the battery cell. In the first contact region, the clip is permanently connected to an intermediate piece which is composed of a second metal which differs from the first metal. The intermediate piece is configured for operative connection to the electronics unit by a solder connection using SMD technology.
대표청구항▼
1. A voltage tap element configured to tap off the voltage of a battery cell of a battery unit via an electronics unit, the voltage tap element comprising: a clip comprising a first metal, the clip having a first end with a first contact region and a second end with a second contact region, the seco
1. A voltage tap element configured to tap off the voltage of a battery cell of a battery unit via an electronics unit, the voltage tap element comprising: a clip comprising a first metal, the clip having a first end with a first contact region and a second end with a second contact region, the second contact region being configured to establish an operative connection to the battery cell at a lower side of the clip; andan intermediate piece comprising a second metal which differs from the first metal, the intermediate piece contacting the clip at the first contact region at the lower side of the clip and configured to be operatively connected to the electronics unit using SMD technology. 2. The voltage tap element of claim 1, wherein the first metal is aluminium. 3. The voltage tap element of claim 1, wherein the second metal is copper. 4. The voltage tap element of claim 1, wherein the second metal of the intermediate piece is tin-plated. 5. The voltage tap element of claim 1, wherein the intermediate piece is operatively connected to the clip by roll-plating. 6. The voltage tap element of claim 1, wherein a central part of the clip has a reduced cross-section in relation to the first and second contact regions. 7. The voltage tap element of claim 1, wherein a central part of the clip has at least one of a curvature, an offset, or a bent portion. 8. The voltage tap element of claim 1, wherein a central part of the clip has a U-shape or an S-shape. 9. The voltage tap element of claim 1, wherein a central part of the clip has a retaining projection. 10. The voltage tap element of claim 1, wherein a central part of the clip has a vertical bent portion as a positioning aid. 11. The voltage tap element of claim 1, wherein at least one weld point is provided in the second contact region. 12. The voltage tap element of claim 1, wherein two or more weld points are provided in the second contact region. 13. A cell supervisory unit comprising: an electronics unit; anda plurality of voltage tap elements, each voltage tap element comprising: a clip comprising a first metal, the clip having a first end with a first contact region configured to establish an operative connection to the electronics unit at a lower side of the clip, and a second end with a second contact region configured to establish an operative connection to a battery cell at the lower side of the clip; andan intermediate piece comprising a second metal which differs from the first metal, the intermediate piece contacting the clip at the lower side thereof and configured to be operatively connected to the electronics unit using SMD technology,wherein each voltage tap element is configured for operative connection to the electronics unit at the intermediate pieces using SMD technology. 14. The cell supervisory unit of claim 13, wherein the electronics unit is a cell supervisory circuit (CSC). 15. The cell supervisory unit of claim 13, wherein the electronics unit is a connection printed circuit board configured for operative connection to a cell supervisory circuit (CSC). 16. The cell supervisory unit of claim 13, wherein the first metal is aluminium and the second metal is copper. 17. The cell supervisory unit of claim 13, wherein the second metal of the intermediate piece is tin-plated. 18. The cell supervisory unit of claim 13, wherein the intermediate piece is operatively connected to the clip by roll-plating. 19. The cell supervisory unit of claim 13, wherein a central part of the clip has a reduced cross-section in relation to the first and second contact regions. 20. A battery unit comprising: a plurality of battery cells;a cell connector electrically connecting adjacent ones of the battery cells;an electronics unit; anda voltage tap element comprising: a clip comprising a first metal, and having a first end along a length direction of the clip and a second end opposite the first end, the first end of the clip being coupled to the electronics unit and the second end of the clip being coupled to the cell connector; andan intermediate piece comprising a second metal that is different than the first metal, one side of the intermediate piece being coupled to the first end of the clip and another side of the intermediate piece being coupled to the electronics unit using SMD technology.
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