Active door lock system

• US 8,909,430 B2
• Filed: 12/10/2012
• Issued: 12/09/2014
• Est. Priority Date: 09/17/2012
• Status: Active Grant

• Current Assignee: Hyundai Motor Company (Hyundai Motor Group)
• Original Assignee: Hyundai Motor Company (Hyundai Motor Group)
• Inventors: Choi, Sung Ho, Kim, You Keun, Kim, Dong Won, Park, Hyun Woon
• Primary Examiner(s): Olszewski, John R
• Assistant Examiner(s): Ziaeianmehdizadeh, Navid
• Application Number:
  US13/710,399
• Publication Number:
  US 20140081529A1
• Time in Patent Office: 729 Days
• Field of Search: None
• US Class Current: 701/45
• CPC Class Codes: E05B 77/26 specially adapted for child safety
• CPC Class Codes: E05B 81/76 Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
• CPC Class Codes: E05C 17/006 with means for detecting obstacles outside the doors
• CPC Class Codes: E05F 15/70 with automatic actuation
• CPC Class Codes: E05Y 2400/358 in the proximity of end positions
• CPC Class Codes: E05Y 2900/55 Windows

Abstract

An active door lock system allows a user to confirm a state of a child in a vehicle before opening a door by partially opening a window of the door in the case of sensing unlock of door lock from an outer side of the door in the state in which a child lock is set.

Claims

1. An active door lock system comprising:

a child lock setting unit operably connected to a pin or a button, wherein the child lock setting unit is configured to set a child lock for locking a door of a vehicle when the pin or the button is operated;

a first door lock unlocking unit including a touch sensor disposed at an outer side of the door of the vehicle and electrically connected to the first door lock unlocking unit to detect a touch of a user by the touch sensor to unlock a door lock;

a window driving unit receiving a control signal from a controlling unit and configured to open a window of the vehicle; and

the controlling unit electrically connected to the window driving unit and configured to control the window driving unit to open the window of a corresponding door when the door lock is unlocked by the first door lock unlocking unit in a state in which the child lock is set.

2. The active door lock system according to claim 1, further comprising a stop judging unit configured to determine with a speedometer whether or not the vehicle is stopped;

wherein the controlling unit controls the window driving unit to open the window of the corresponding door when the door lock is unlocked by the first door lock unlocking unit in the state in which the child lock is set and the vehicle is stopped.

3. The active door lock system according to claim 2, further comprising a safety judging unit including radar sensors mounted in the vehicle and configured to determine whether or not a passenger safely gets off the vehicle;

wherein the controlling unit controls the window driving unit to open the window of the corresponding door when the door lock is unlocked by the first door lock unlocking unit in the state in which the child lock is set, the vehicle stops, and the passenger safely gets off the vehicle.

4. The active door lock system according to claim 1, wherein the first door lock unlocking unit is operated by a smart key.

5. The active door lock system according to claim 1, wherein the first door lock unlocking unit is operated in a case in which a smart key is positioned in the vehicle.

6. The active door lock system according to claim 1, wherein the window driving unit opens the window by a preset length.

7. The active door lock system according to claim 1, wherein the window driving unit opens the window by a preset time.

8. The active door lock system according to claim 1, further comprising:

a second door lock unlocking unit, including a mechanical relay button positioned at an inner side of the door of the vehicle, and configured to unlock the door lock in a state in which the mechanical relay button is pressed; and

a door opening unit including a door lever and configured to open the door of the vehicle in the state in which the mechanical relay button is pressed.

9. The active door lock system according to claim 8, wherein the door opening unit, including an inside door lever, opens the door in a case in which the inside door lever is pulled in the state in which the mechanical relay button is pressed.

10. The active door lock system according to claim 9, wherein the door opening unit changes an angle of the inside door lever when the door is opened.