KR100901929B1 - Seat track position system and method control thereof - Google Patents

Seat track position system and method control thereof Download PDF

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Publication number
KR100901929B1
KR100901929B1 KR1020070130047A KR20070130047A KR100901929B1 KR 100901929 B1 KR100901929 B1 KR 100901929B1 KR 1020070130047 A KR1020070130047 A KR 1020070130047A KR 20070130047 A KR20070130047 A KR 20070130047A KR 100901929 B1 KR100901929 B1 KR 100901929B1
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South Korea
Prior art keywords
sensor
shunt
track position
seat track
stps
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KR1020070130047A
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Korean (ko)
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김상문
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현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01554—Seat position sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction

Abstract

A seat track position system and a control method thereof are provided to reduce the unnecessary lighting of an airbag warning lamp by enabling a seat track position sensor to grasp the exact location of the seat. A control method of a seat track position system comprises: a step for sensing surrounding magnetic field with a magnetic sensor within a seat track position sensor(101); a step for sending and receiving signals between the seat track position sensor and a sensor adhering to a shunt(103); and a step for sensing the location of the exact shunt with the signal sent and received. The sensor(105) adhering to the shunt and the seat track position sensor comprises an optical sensor, an infrared sensor, and a ultrasonic sensor.

Description

시트 트랙 포지션 시스템 및 그 제어방법{Seat track position system and method control thereof}Seat track position system and control method thereof

본 발명은 시트 트랙 포지션 시스템과 그의 제어방법에 관한 것이다.The present invention relates to a seat track position system and a control method thereof.

일반적으로 차량에는 핸들 또는 조수석 측 인스트루먼트 패널에 정면충돌사고 발생시 앞좌석 탑승자를 향해 에어백이 전개되도록 에어백 시스템이 설치되는데, 상기 에어백 시스템은 앞자석 탑승자와의 거리에 따라 에어백의 전개압을 조정할 수 있도록 앞좌석 시트의 전후 위치를 감지하기 위해 시트 트랙 포지션 센서(Seat Track Position Sensor;이하 STPS라 함)를 설치한다.In general, an airbag system is installed in a steering wheel or a passenger side instrument panel so that an airbag is deployed toward the front occupant in the event of a frontal collision, and the airbag system adjusts the deployment pressure of the airbag according to the distance from the front occupant. Seat track position sensors (hereinafter referred to as STPS) are installed to detect front and rear positions of the front seat.

이 SPTS는 시트의 하부에 위치한 션트가 레일을 따라 이동함에 따른 자기장 세기의 변화를 감지하여 시트의 위치를 파악한다.The SPTS locates the seat by detecting a change in the magnetic field strength as the shunt at the bottom of the seat moves along the rail.

그러나, 종래의 STPS는 센싱 민감도가 높아 상기 션트 뿐 아니라 주변의 태핑 스크류 등과 같은 스틸(steel)물들에 영향을 받아 빈번한 에어백 경고등이 점등되는 문제가 있다.However, the conventional STPS has a problem that the airbag warning light is turned on frequently due to the high sensitivity of the sensing, which is affected by not only the shunt but also steel objects such as the surrounding tapping screw.

본 발명은 STPS가 주변의 다른 스틸(steel)물들에 영향을 받지 않고, 시트의 정확한 위치를 파악할 수 있는 시트 트랙 포지션 시스템을 제공하는데 목적을 둔다.The present invention aims to provide a seat track position system in which the STPS can determine the exact position of the seat without being affected by other steel objects in the vicinity.

본 발명은 시트의 하부 좌우에 대향으로 설치되고, 그 길이 방향으로 대향된 면에 일정 간격으로 다수개의 홈이 형성된 레일과, 상기 각 레일 내에 슬라이딩 가능하게 설치되고, 하단에 센서가 부착된 션트와, 상기 션트에 부착된 센서와 송수신 가능한 센서 및 마그네틱 센서를 포함하는 STPS를 포함한다. 이때, 상기 션트 및 STPS에 부착된 센서는 광센서, 적외선센서, 초음파센서 등을 포함한다.The present invention is installed on the lower left and right of the seat facing each other, a rail having a plurality of grooves formed at regular intervals on the surface opposed to the longitudinal direction, and installed slidably in each of the rails, the shunt with a sensor attached to the lower end and And a STPS including a sensor and a magnetic sensor capable of transmitting and receiving a sensor attached to the shunt. In this case, the sensors attached to the shunt and the STPS include an optical sensor, an infrared sensor, an ultrasonic sensor, and the like.

본 발명은 STPS 내의 마그네틱 센서에 의해 주변의 자기장을 감지하는 제1단계와, STPS와 션트에 부착된 센서 간에 신호를 송수신하는 제2단계 및 송수신 된 신호에 의해 정확한 션트의 위치를 감지하는 제3단계를 포함한다. 이때, 상기 션트 및 STPS에 부착된 센서는 광센서, 적외선센서, 초음파센서 등을 포함한다.The present invention provides a first step of detecting an ambient magnetic field by a magnetic sensor in the STPS, a second step of transmitting and receiving a signal between the STPS and a sensor attached to the shunt, and a third step of detecting the exact position of the shunt by the transmitted and received signals. Steps. In this case, the sensors attached to the shunt and the STPS include an optical sensor, an infrared sensor, an ultrasonic sensor, and the like.

본 발명은 STPS가 주변의 다른 스틸물들의 영향을 받지 않고 시트의 정확한 위치를 파악하고, 불필요한 에어백 경고등 점등을 감소하는 효과가 있다.The present invention has the effect of determining the exact position of the seat without the influence of other steel objects around the STPS, and reduce unnecessary airbag warning lights.

이하, 첨부된 도면을 참조하여 본 발명에 따른 시트 트랙 포지션 시스템 및 그 제어방법에 대해 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail a seat track position system and a control method thereof.

도 1은 본 발명의 실시 예에 따른 시트 트랙 포지션 시스템을 나타내는 도면이다.1 is a view showing a seat track position system according to an embodiment of the present invention.

본 발명에 따른 시트 트랙 포지션 시스템은 도 1에 도시한 바와 같이, 일정 간격으로 다수개의 홈이 형성된 레일(109)과, 상기 각 레일 내에 슬라이딩 가능하게 설치되고, 하단에 센서(105)가 부착된 션트(Shunt)(103)와, 시트 트랩 포지션 센서 마운팅 브라켓(107) 상단에 설치되는 STPS(101)을 포함하여 구성된다. 상기 STPS(101)는 상기 션트(103)에 부착된 센서(105)와 송·수신 가능한 센서와, 자기장을 감지하는 마그네틱 센서를 포함하여 구성된다. 이때, STPS(101)의 내부에는 도 2에 도시한 바와 같은 센서(201)가 부착된다. 또한, 상기 션트(103) 및 STPS(101)에 부착된 센서(105 및 201)는 광센서, 적외선센서, 초음파센서 등을 사용할 수 있다. As shown in FIG. 1, the seat track position system according to the present invention includes a rail 109 having a plurality of grooves formed at regular intervals, and slidably installed in each of the rails, and having a sensor 105 attached to a lower end thereof. Shunt (103) and the seat trap position sensor mounting bracket 107 is configured to include the STPS 101 installed on the top. The STPS 101 is configured to include a sensor 105 attached to the shunt 103, a sensor capable of transmitting and receiving, and a magnetic sensor for detecting a magnetic field. At this time, the sensor 201 as shown in FIG. 2 is attached to the inside of the STPS 101. In addition, the sensors 105 and 201 attached to the shunt 103 and the STPS 101 may use an optical sensor, an infrared sensor, an ultrasonic sensor, or the like.

시트의 하부에 위치한 션트(103)가 레일을 따라 이동하면 자기장의 세기에 변화가 일어나는데, STPS(101)의 마그네틱 센서가 주변의 자기장을 감지한다. 이후, STPS(101)의 내부 센서(201)는 션트(103)에 신호를 보내고, 션트(103)에 부착된 센서(105)가 이를 수신하여 다시 STPS(101)의 내부 센서(201)로 신호를 재송신한다. 이러한 과정을 통해 STPS(101)은 주변의 다른 스틸물들의 영향을 받지 않고 시트의 정확한 위치를 판단할 수 있다.
도 3은 본 발명의 실시 예에 따른 시트 트랙 포지션 시스템 제어방법을 나타내는 순서도이다.When the shunt 103 located at the bottom of the seat moves along the rail, a change in the strength of the magnetic field occurs. The magnetic sensor of the STPS 101 senses the surrounding magnetic field. Thereafter, the internal sensor 201 of the STPS 101 sends a signal to the shunt 103, and the sensor 105 attached to the shunt 103 receives the signal and sends a signal back to the internal sensor 201 of the STPS 101. Resend Through this process, the STPS 101 can determine the exact position of the sheet without being affected by other steel objects in the vicinity.
3 is a flowchart illustrating a method for controlling a seat track position system according to an exemplary embodiment of the present invention.

삭제delete

STPS의 마그네틱 센서가 주변의 자기장을 감지하면(S301), STPS의 내부 센서는 신호를 송신하고, 션트에 부착된 센서가 이를 수신하여 STPS의 센서로 신호를 재송신하여(S303) 시트의 정확한 위치를 판단한다(S305). 이때, STPS 및 션트의 센서는 광센서, 적외선센서, 초음파센서 등을 사용할 수 있다.When the magnetic sensor of the STPS detects the surrounding magnetic field (S301), the internal sensor of the STPS transmits a signal, and the sensor attached to the shunt receives the signal and retransmits the signal to the sensor of the STPS (S303) to determine the correct position of the sheet. It is determined (S305). In this case, the sensors of the STPS and the shunt may use an optical sensor, an infrared sensor, an ultrasonic sensor, or the like.

따라서, STPS가 주변의 다른 스틸물들의 영향을 받지 않고 시트의 정확한 위치를 파악하여 불필요한 에어백 경고등 점등을 방지할 수 있다.Therefore, the STPS can detect the exact position of the seat without being affected by other steel objects in the surroundings, thereby preventing unnecessary airbag warning lights.

상기 설명은 본 발명의 특정 실시 예에 대한 설명에 불과하고, 본 발명은 이러한 특정 실시 예에 한정되지 않으며, 상술한 구체적인 실시 예로부터 다양한 변형이나 응용이 가능하다는 것을 본 발명이 속하는 기술분야의 통상적인 지식을 가진 자는 쉽게 알 수 있다.The above description is merely a description of specific embodiments of the present invention, and the present invention is not limited to these specific embodiments, and various modifications and applications are possible from the specific embodiments described above. Those who have knowledge can easily know.

도 1은 본 발명의 실시 예에 따른 시트 트랙 포지션 시스템을 나타내는 도면이다.1 is a view showing a seat track position system according to an embodiment of the present invention.

도 2는 본 발명의 실시 예에 따른 STPS의 구성을 나타내는 도면이다.2 is a diagram illustrating a configuration of an STPS according to an embodiment of the present invention.

도 3은 본 발명의 실시 예에 따른 시트 트랙 포지션 시스템 제어방법을 나타내는 순서도이다.3 is a flowchart illustrating a method for controlling a seat track position system according to an exemplary embodiment of the present invention.

Claims (4)

시트의 하부 좌우에 대향으로 설치되고, 그 길이 방향으로 대향된 면에 일정 간격으로 다수개의 홈이 형성된 레일;Rails are provided opposite to the lower left and right of the sheet, the plurality of grooves are formed on the surface facing in the longitudinal direction at regular intervals; 상기 각 레일 내에 슬라이딩 가능하게 설치되고, 하단에 센서가 부착된 션트;A shunt slidably installed in each rail and having a sensor attached to a lower end thereof; 상기 션트에 부착된 센서와 송수신 가능한 센서 및 마그네틱 센서를 포함하는 STPSSTPS including a sensor and a magnetic sensor capable of transmitting and receiving a sensor attached to the shunt 를 포함하는 시트 트랙 포지션 시스템.Seat track position system comprising a. 제 1항에 있어서, 상기 션트 및 STPS에 부착된 센서는 광센서, 적외선센서, 초음파센서 등을 포함하는 시트 트랙 포지션 시스템.The seat track position system of claim 1, wherein the sensors attached to the shunt and the STPS include an optical sensor, an infrared sensor, an ultrasonic sensor, and the like. STPS 내의 마그네틱 센서에 의해 주변의 자기장을 감지하는 제1단계;A first step of sensing a surrounding magnetic field by a magnetic sensor in the STPS; STPS와 션트에 부착된 센서 간에 신호를 송수신하는 제2단계;A second step of transmitting and receiving a signal between the STPS and the sensor attached to the shunt; 송수신 된 신호에 의해 정확한 션트의 위치를 감지하는 제3단계The third step of detecting the exact position of the shunt by the transmitted and received signal 를 포함하는 시트 트랙 포지션 시스템 제어방법.Seat track position system control method comprising a. 제 3항에 있어서, 상기 션트 및 STPS에 부착된 센서는 광센서, 적외선센서, 초음파센서 등을 포함하는 시트 트랙 포지션 시스템 제어방법.The method of claim 3, wherein the sensors attached to the shunt and the STPS include an optical sensor, an infrared sensor, an ultrasonic sensor, and the like.
KR1020070130047A 2007-12-13 2007-12-13 Seat track position system and method control thereof KR100901929B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000011299A (en) 1998-06-18 2000-01-14 Toshio Sakurai Automatic controller of moving body using optical sensor
KR200280029Y1 (en) 2002-04-02 2002-06-27 동양기전 주식회사 Seat-position sensor for controlling air-bag apparatus
KR200414323Y1 (en) 2006-02-02 2006-04-18 타이코에이엠피 주식회사 Vehicle seat rail with airbag sensor
KR20060068514A (en) * 2004-12-16 2006-06-21 한국전자통신연구원 System for providing information using open application program interface and method of the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000011299A (en) 1998-06-18 2000-01-14 Toshio Sakurai Automatic controller of moving body using optical sensor
KR200280029Y1 (en) 2002-04-02 2002-06-27 동양기전 주식회사 Seat-position sensor for controlling air-bag apparatus
KR20060068514A (en) * 2004-12-16 2006-06-21 한국전자통신연구원 System for providing information using open application program interface and method of the same
KR200414323Y1 (en) 2006-02-02 2006-04-18 타이코에이엠피 주식회사 Vehicle seat rail with airbag sensor

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