Protecting device and battery pack
AssigneeDexerials Corporation
InventorsYuji KIMURA, Chisato KOMORI, Koichi MUKAI
Life of this patent
Estimating the term…
Abstract
Provided are a protecting device and a battery pack capable of preventing floating of a blowout member, preventing deformation of a meltable conductor, and maintaining predetermined current capacity and blowout properties. The protecting device 1 includes: a meltable conductor 2; and a blowout member 4 connected to one surface of the meltable conductor 2, wherein the blowout member 4 includes: an insulating substrate 3; and a deformation suppressing electrode 5 formed on a front surface 3a connected to the meltable conductor 2 of the insulating substrate 3 and connected to the meltable conductor 2 to suppress deformation of the meltable conductor 2.
Claims15
A protecting device, comprising:
- a meltable conductor;
- and
- a blowout member connected to one surface of the meltable conductor,
- wherein the blowout member includes an insulating substrate and a deformation suppressing electrode formed on a front surface, which is to be connected to the meltable conductor, of the insulating substrate and connected to the meltable conductor to suppress deformation of the meltable conductor.
A protecting device, comprising:
- a meltable conductor;
- a first blowout member connected to one surface of the meltable conductor;
- and
- a second blowout member connected to the other surface of the meltable conductor,
- wherein the first blowout member includes a first insulating substrate and a first deformation suppressing electrode formed on a front surface, which is to be connected to the meltable conductor, of the first insulating substrate and connected to the meltable conductor to suppress deformation of the meltable conductor, and
- wherein the second blowout member includes a second insulating substrate and a second deformation suppressing electrode formed on a front surface, which is to be connected to the meltable conductor, of the second insulating substrate and connected to the meltable conductor to suppress deformation of the meltable conductor.
A battery pack, comprising:
- one or more battery cells;
- a protecting device connected to a charge/discharge path of the battery cell and capable of interrupting the charge/discharge path;
- and
- a current controlling element for detecting a voltage value of the battery cell and controlling the energization of the protecting device,
- the protecting device comprising:
- a meltable conductor connected in the charge/discharge path;
- and
- a blowout member connected to one surface of the meltable conductor,
- wherein the blowout member includes an insulating substrate and a deformation suppressing electrode formed on a surface, which is to be connected to the meltable conductor, of the insulating substrate and is connected to the meltable conductor to suppress deformation of the meltable conductor, and
- wherein the charge/discharge path is interrupted by melting the meltable conductor.
A battery pack, comprising:
- one or more battery cells;
- a protecting device connected to a charge/discharge path of the battery cell and capable of interrupting the charge/discharge path;
- and
- a current controlling element for detecting the voltage value of the battery cell and controlling the energization of the protecting device,
- the protecting device comprising:
- a meltable conductor connected in the charge/discharge path;
- a first blowout member connected to one surface of the meltable conductor;
- and
- a second blowout member connected to the other surface of the meltable conductor,
- wherein the first blowout member includes a first insulating substrate and a first deformation suppressing electrode formed on a front surface, which is to be connected to the meltable conductor, of the first insulating substrate and is connected to the meltable conductor to suppress deformation of the meltable conductor,
- wherein the second blowout member includes a second insulating substrate and a second deformation suppressing electrode formed on a front surface, which is to be connected to the meltable conductor, of the second insulating substrate and is connected to the meltable conductor to suppress deformation of the meltable conductor, and
- wherein the charge/discharge path is interrupted by melting the meltable conductor.
Dependencies are inferred from the claim text.