Title:
グロープラグ駆動制御装置
Document Type and Number:
Japanese Patent JP5843886
Kind Code:
B2
Abstract:
Current variation at the time of a driving start is suppressed, and a long life is achieved with a reduction of electrical stress due to the current variation. A glow plug driving control apparatus that has a glow switch 2 and a glow plug 1 which are connected in series between a power supply and ground, and an electrical controlling unit 101 which controls opening and closing of the glow switch 2, and that can perform energization driving of the glow plug 1, includes an energization path switching switch 5 that connects in series a stability coil 3 in a serial connection path of the glow switch 2 and the glow plug 1 at the time of an energization start of the glow plug 1, while after the energization start, causes both the glow switch 2 and the glow plug 1 to return to a serial connection state between the power supply and the ground, according to a control of the electrical controlling unit 101. Thus, current smoothing is achieved at the time of the driving start, and a large momentary current is prevented from occurring.
Inventors:
Fujito Yoshito
Toyoki Tanaka
Nakamura Tomohiro
Toyoki Tanaka
Nakamura Tomohiro
Application Number:
JP2013551522A
Publication Date:
January 13, 2016
Filing Date:
November 05, 2012
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F23Q7/00; F02P19/02
Domestic Patent References:
| JP2009013983A | ||||
| JP55012292A | ||||
| JP11098683A | ||||
| JP3113519A |