Search

KR-20260067224-A - DEVICE AND METHOD FOR CONTROLLING A SHEET

KR20260067224AKR 20260067224 AKR20260067224 AKR 20260067224AKR-20260067224-A

Abstract

The present invention relates to a seat control device and method, comprising a seat rotation unit including a motor that swivels the seat, a Hall sensor that detects a pulse generated according to the driving of the motor, a switch that switches to turn on/turn off according to the swiveled position of the seat, and a control unit that determines the position of the seat based on the number of pulses detected through the Hall sensor, wherein the control unit determines the activation of a vehicle function based on at least one of the position of the seat, whether the number of detected pulses is within a preset valid range, and whether the switch is turned on.

Inventors

  • 이동훈
  • 김성민
  • 김요한
  • 강문승

Assignees

  • 현대자동차주식회사
  • 기아 주식회사

Dates

Publication Date
20260512
Application Date
20241105

Claims (20)

  1. A seat rotation unit including a motor that swivels the seat; A Hall sensor that detects pulses generated according to the driving of the above motor; A switch that switches to turn-on/turn-off depending on the swiveled position of the above sheet; and It includes a control unit that determines the position of the sheet based on the number of pulses detected through the Hall sensor, and The above control unit is, A seat control device that determines vehicle function activation based on at least one of the position of the seat, whether the number of detected pulses is within a preset valid range, and whether the switch is turned on.
  2. In paragraph 1, The above control unit is, A seat control device that activates the vehicle function when the position of the seat is an initial position, when the number of detected pulses is within a preset valid range, or when the switch is turned on, and the vehicle function includes gear shifting and driving.
  3. In paragraph 1, It further includes a command input unit that receives a swivel mode switching command for controlling the above seat position, and The above control unit is, A seat control device that determines whether swivel mode switching is possible in response to the input of the above swivel mode switching command, outputs a control signal to control the driving of the motor based on the result of the determination, and identifies the seat position based on the number of pulses detected through the Hall sensor.
  4. In paragraph 3, The above control unit is, Based on the number of pulses detected above, the position of the seat is determined based on the corresponding swivel mode among a plurality of swivel modes, and A seat control device in which each of the above plurality of swivel modes is mapped with a range of pulses detected through the Hall sensor from the start time of operation of the motor to the completion time of operation.
  5. In paragraph 3, The above plurality of swivel modes are, A seat control device comprising: a partial swivel mode in which the seat is rotated from a return position corresponding to 0 degrees around a reference axis of the seat to a first angle; a full swivel mode in which the seat is rotated from the return position to a second angle around the reference axis of the seat; and a return swivel mode in which the seat returns to the return position.
  6. In paragraph 4, The above switch is, A seat control device that is turned on by physical contact with the seat when the seat is swiveled to the return position.
  7. In paragraph 5, A sheet control device further comprising a camera provided around the sheet and capable of capturing the sheet to acquire a sheet image.
  8. In Paragraph 7, The above control unit is, A seat control device that determines the seat position by further considering whether the rotation line of the upper plate of the seat pivot part and the fixing line of the lower plate are in a vertical line in the seat image when the seat position is identified as corresponding to the return swivel mode.
  9. In paragraph 5, The above control unit is, A seat control device that determines whether the swivel mode switching is possible based on at least one of the following: whether the power of the vehicle equipped with the seat is in utility mode, the stationary state of the vehicle, the P state of the transmission equipped in the vehicle, the seat seating state of a passenger on the seat, the fastening state of the safety buckle equipped in the seat, the manual operation state of the seat, the return swivel mode completion state of the seat, the swivel operation state of another seat located next to the seat, and whether the airbag of the vehicle equipped with the seat is capable of deployment.
  10. In Paragraph 9, The above control unit is, Determine whether the above airbag can be deployed, and output whether the airbag can be deployed based on the determination result. When information regarding the inability to deploy the airbag is displayed as the above airbag deployment status, user consent to the above airbag deployment inability information is confirmed, and A seat control device that determines whether to swivele the seat according to the swivel mode switching command subsequently entered, based on the result of the user consent confirmation above.
  11. A step of driving a motor that swivels the seat; A step of detecting pulses generated by the driving of the above motor through a Hall sensor; A step of detecting the state of a switch that switches according to the swiveled position of the above sheet; A step of determining the position of the sheet based on the number of pulses detected through the Hall sensor; and A seat control method comprising the step of determining vehicle function activation based on at least one of the position of the seat, whether the number of pulses detected through the Hall sensor is within a preset valid range, and the state of the switch.
  12. In Paragraph 11, In the step of determining the activation of the above vehicle function, A seat control method that activates the vehicle function when the position of the seat is an initial position, when the Hall sensor value is within a preset valid range, or when the switch is turned on, and the vehicle function includes gear shifting and driving.
  13. In Paragraph 11, A step of receiving a swivel mode switching command from a command input unit; A step of determining whether swivel mode switching is possible; and A seat control method further comprising the step of outputting a control signal to control the driving of the motor based on the determination result when it is determined that a swivel mode switching is possible.
  14. In Paragraph 11, In the step of determining the position of the above sheet, Based on the number of pulses detected above, the position of the seat is determined based on the corresponding swivel mode among a plurality of swivel modes, and A seat control method in which each of the above plurality of swivel modes is mapped with a range of pulses detected through the Hall sensor from the start time of operation of the motor to the completion time of operation.
  15. In Paragraph 14, The above plurality of swivel modes are, A seat control method comprising: a partial swivel mode in which the seat is rotated from a return position corresponding to 0 degrees around a reference axis of the seat to a first angle; a full swivel mode in which the seat is rotated from the return position to a second angle around the reference axis of the seat; and a return swivel mode in which the seat returns to the return position.
  16. In Paragraph 14, In the step of determining the position of the above sheet, A sheet control method that determines the seat position by further considering whether the rotation line of the upper plate of the seat pivoting part that swivels the seat through motor driving and the fixed line of the lower plate are in a vertical line in a seat image captured by a camera when the seat position is identified as corresponding to the return swivel mode.
  17. In paragraph 15, A seat control method further comprising the step of determining whether the swivel mode switching is possible based on at least one of the following: whether the power of the vehicle equipped with the seat is in utility mode; the stationary state of the vehicle; the P state of the transmission equipped with the vehicle; the seat seating state of a passenger on the seat; the fastening state of the safety buckle equipped with the seat; the manual operation state of the seat; the return swivel mode completion state of the seat; the swivel operation state of another seat located next to the seat; and whether the airbag of the vehicle equipped with the seat is capable of deployment.
  18. In Paragraph 12, After the step of determining the position of the above sheet, A step of determining whether the airbag can be deployed based on the position of the above seat; and A seat control method further comprising the step of outputting whether an airbag can be deployed based on the above judgment result.
  19. In Paragraph 18, In the case where airbag deployment non-deployment information is output as the above airbag deployment availability, A seat control method further comprising the step of confirming user consent regarding information on the inability to deploy the airbag.
  20. In Paragraph 19, A sheet control method further comprising the step of determining whether to swivel the sheet according to the swivel mode switching command subsequently entered, based on the result of confirming the user consent above.

Description

Device and Method for Controlling a Sheet The present invention relates to a seat control device and method. Generally, seats installed inside a vehicle can rotate via a swivel mechanism. Accordingly, depending on the rotation of the seat, passengers entering the vehicle may be positioned to face each other, or the seat may be rotated toward the monitor to facilitate viewing of videos on a pop-up display installed inside the vehicle, thereby improving convenience inside the vehicle. With the increasing number of convenience features available to passengers inside electric vehicles, autonomous vehicles, and campervans, there is a growing demand for increased space utilization through adjustable seat positions, following this trend. FIG. 1 is a block diagram illustrating the configuration of a seat control device according to one embodiment of the present invention. FIG. 2 is a conceptual diagram illustrating a vehicle and a seat inside the vehicle to which a seat control device according to one embodiment of the present invention is applied. FIG. 3 is a schematic perspective view illustrating a sheet and a sheet rotation part according to one embodiment of the present invention. FIG. 4 is an example of a screen providing seat position and airbag operation notification guidance according to an embodiment of the present invention. FIG. 5 is an example of a screen providing an airbag operation notification that operates by default when the seat position is not identified, according to an embodiment of the present invention. FIG. 6 is a flowchart illustrating a seat control method of a seat control device according to an embodiment of the present invention. FIG. 7 is a flowchart illustrating a seat control method of a seat control device according to an embodiment of the present invention. Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that in assigning reference numerals to the components of each drawing, the same components are given the same reference numeral whenever possible, even if they are shown in different drawings. Furthermore, in describing the embodiments of the present invention, if it is determined that a detailed description of related known components or functions would hinder understanding of the embodiments of the present invention, such detailed description is omitted. In describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), (b), etc., may be used. These terms are intended merely to distinguish the components from other components, and the essence, order, or sequence of the components is not limited by such terms. Furthermore, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in this application. FIG. 1 is a block diagram illustrating the configuration of a seat control device according to an embodiment of the present invention, FIG. 2 is a conceptual diagram illustrating a vehicle and a seat inside the vehicle to which a seat control device according to an embodiment of the present invention is applied, and FIG. 3 is a perspective view schematically illustrating a seat and a seat pivoting part according to an embodiment of the present invention. A seat control device (100) according to an embodiment of the present invention may include a command input unit (110), a seat rotation unit (130), a Hall sensor (150), and a control unit (170). At least one seat (12) installed inside the vehicle (10) can be rotated via a seat control device (100). Accordingly, depending on the rotation of the seat, passengers riding in the vehicle (10) may be positioned to face each other, or the seat may be positioned toward a monitor to facilitate viewing of a video through a pop-up display installed inside the vehicle, thereby providing convenience inside the vehicle. The command input unit (110) may include a swivel selection mode button provided on one side of the seat (12), and the swivel selection mode button may be provided in multiple numbers depending on the swivel mode. A plurality of swivel modes may include a partial swivel mode in which the seat (12) is rotated from a return position corresponding to 0 degrees around the reference axis of the seat (12) to a first angle, a full swivel mode in which the seat (12) is rotated from the return position to a second angle around the reference axis of the seat (12), and a return swivel mode in which the seat (12) returns to the return position. Here, the return position may be named as the initial posit