Protecting device and battery pack
AssigneeDexerials Corporation
InventorsYuji Kimura, Chisato Komori
Life of this patent
Estimating the term…
Abstract
Provided is a protecting device that can prevent damage of the device by releasing the pressure inside the housing by providing openings in the housing and can secure appropriate insulation. The protecting device includes: a meltable conductor 3; first and second external connection terminals 7, 8 connected to both ends of the meltable conductor 3; and a housing 6 having a lower case 4 and an upper case 5, wherein one end of the first external connection terminal 7 and one end of the second external connection terminal 8 are led out from the housing 6, and the housing is provided with a first opening 24 formed facing a front surface of the first external connection terminal 7 and a second opening 25 formed facing a front surface of the second external connection terminal 8.
Claims14
A protecting device, comprising:
- a meltable conductor;
- first and second external connection terminals connected to both ends of the meltable conductor;
- and
- a housing having a lower case and an upper case,
- wherein one end of the first external connection terminal and one end of the second external connection terminal are led out from the housing, and
- wherein the housing is provided with a first opening formed facing a front surface of the first external connection terminal, and a second opening formed facing a front surface of the second external connection terminal,
- wherein at least one of the first opening and the second opening has a lower side the width of which is wider than that of an upper side in a side view.
A battery pack, comprising:
- one or more battery cells;
- and
- a protecting device connected to a charge/discharge path of the battery cell to interrupt the charge/discharge path,
- wherein the protecting device comprises:
- a meltable conductor;
- first and second external connection terminals connected to both ends of the meltable conductor;
- and
- a housing having a lower case and an upper case,
- wherein one end of the first external connection terminal and one end of the second external connection terminal are led out from the housing, and
- wherein the housing is provided with a first opening formed facing a front surface of the first external connection terminal, and a second opening formed facing a front surface of the second external connection terminal,
- wherein at least one of the first opening and the second opening has a lower side the width of which is wider than that of an upper side in a side view.
Dependencies are inferred from the claim text.