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US 11,447,999 B2Granted
Notification device and door opening-closing device
AssigneeNabtesco Corporation
InventorsHiroki Uno, Takuya Yokomoto
Life of this patent
Estimating the term…
Abstract
A notification device includes a notification line for notifying a vehicle control device that a door is closed, a first door lock switch that electrically connects the notification line when the door is closed and disconnects the notification line when the door is opened, and an interruption unit that interrupts a signal transmitted through the notification line when an abnormality of the first door lock switch is detected.
Claims7
A notification device, comprising:
- a notification line for notifying an upper-level device that a door is closed;
- a door switch allowing the notification line to be in a signal transmitted state when the door is closed and allowing the notification line to be in a signal interrupted state when the door is opened;
- and
- an interruption unit allowing the notification line to be in the signal interrupted state when an abnormality of the door switch is detected;
- wherein the interruption unit includes:
- a first branch branched from the notification line on one side of the notification line with reference to the door switch;
- a first determination relay causing the first branch to be in a signal transmitted state or a signal interrupted state;
- a second branch branched from the notification line on the other side of the notification line with reference to the door switch;
- a second determination relay causing the second branch to be in a signal transmitted state or a signal interrupted state;
- and
- a determination unit determining that the door switch is stuck while the door switch keeps causing the notification line to be in the signal transmitting state when the first determination relay causing the first branch to be in the signal transmitted state, the second determination relay causing the second branch to be in the signal transmitted state, the door is opened, and a signal is supplied via the first branch and the second branch.
8 more elements
A door opening-closing device, comprising:
- a driving device driving a door to be opened and closed;
- a control unit controlling the driving device;
- and
- a notification device,
- wherein the notification device includes:
- a notification line for notifying an upper-level device that the door is closed;
- a door switch allowing the notification line to be in a signal transmitted state when the door is closed and allowing the notification line to be in a signal interrupted state when the door is opened;
- and
- an interruption unit allowing the notification line to be in the signal interrupted state when an abnormality of the door switch is detected;
- wherein the interruption unit includes:
- a first branch branched from the notification line on one side of the notification line with reference to the door switch;
- a first determination relay causing the first branch to be in a signal transmitted state or a signal interrupted state;
- a second branch branched from the notification line on the other side of the notification line with reference to the door switch;
- a second determination relay causing the second branch to be in a signal transmitted state or a signal interrupted state;
- and
- a determination unit determining that the door switch is stuck while the door switch keeps causing the notification line to be in the signal transmitting state when the first determination relay causing the first branch to be in the signal transmitted state, the second determination relay causing the second branch to be in the signal transmitted state, the door is opened, and a signal is supplied via the first branch and the second branch.
13 more elements
Dependencies are inferred from the claim text.