KR20020048048A - apparatus for adjusting the irradiation angle of a head lamp automatically - Google Patents

apparatus for adjusting the irradiation angle of a head lamp automatically Download PDF

Info

Publication number
KR20020048048A
KR20020048048A KR1020000077302A KR20000077302A KR20020048048A KR 20020048048 A KR20020048048 A KR 20020048048A KR 1020000077302 A KR1020000077302 A KR 1020000077302A KR 20000077302 A KR20000077302 A KR 20000077302A KR 20020048048 A KR20020048048 A KR 20020048048A
Authority
KR
South Korea
Prior art keywords
irradiation angle
head lamp
headlamp
horizontal
adjusting
Prior art date
Application number
KR1020000077302A
Other languages
Korean (ko)
Other versions
KR100405420B1 (en
Inventor
김수원
Original Assignee
류정열
기아자동차주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 류정열, 기아자동차주식회사 filed Critical 류정열
Priority to KR10-2000-0077302A priority Critical patent/KR100405420B1/en
Publication of KR20020048048A publication Critical patent/KR20020048048A/en
Application granted granted Critical
Publication of KR100405420B1 publication Critical patent/KR100405420B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0017—Devices integrating an element dedicated to another function
    • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/10—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution
    • B60Q1/115—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution by electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10—Indexing codes relating to particular vehicle conditions
    • B60Q2300/13—Attitude of the vehicle body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/11—Passenger cars; Automobiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/301—Sensors for position or displacement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PURPOSE: A device for automatically controlling the irradiation angle of a head lamp is provided to secure a safe travel at night and to improve the convenience of a driver by maintaining the horizontal irradiation angle of a head lamp regardless of the inclination of a vehicle body. CONSTITUTION: A device for automatically controlling the irradiation angle of a head lamp comprises a horizon sensor(20) installed horizontal to a reflector(11) of a head lamp(10) to detect the front and rear inclinations of a vehicle body and an irradiation angle adjusting unit to adjust the irradiation angle of the head lamp by adjusting the reflector of the head lamp by the front and rear inclination signals. If a vehicle body is inclined backward, the irradiation angle adjusting unit downward adjusts the reflector until the voltage becomes zero. Therefore, the irradiation angle of the head lamp is maintained horizontal.

Description

헤드램프의 조사각도 자동조절장치{apparatus for adjusting the irradiation angle of a head lamp automatically}{Apparatus for adjusting the irradiation angle of a head lamp automatically}

본 발명은 자동차의 헤드램프 조사각도 조절장치에 관한 것으로, 특히 적재상태 또는 승차상태에 따른 차체의 기울기에 관계없이 헤드램프의 조사각도를 수평으로 유지되도록 조절하는 헤드램프의 조사각도 자동조절장치에 관한 것이다.The present invention relates to an apparatus for adjusting the irradiation angle of a head lamp of a vehicle, and more particularly, to an apparatus for automatically adjusting the irradiation angle of a head lamp for adjusting the irradiation angle of a head lamp to be maintained horizontally regardless of the inclination of the vehicle body according to a loaded state or a riding state. It is about.

일반적으로 자동차의 헤드램프의 조사각도는 제조당시에 설정되어 있으며,차량의 사용기간 중에 헤드램프의 조사각도를 변경하고자 할 때는, 헤드램프의 일측에 마련된 헤드램프 조사각도 조절볼트 등을 조작하여야 한다. 이때, 차량을 평지에 정지시켜야 하는 불편이 따르게 된다.In general, the irradiation angle of the head lamp of the vehicle is set at the time of manufacture, and when the irradiation angle of the head lamp is to be changed during the use period of the vehicle, the head lamp irradiation angle adjusting bolt provided on one side of the head lamp must be operated. At this time, the inconvenience of having to stop the vehicle on a flat.

이와 같은 불편을 해소하기 위하여, 헤드램프에 헤드램프의 조사각도를 조절할 수 있는 모터 등을 장착하고, 운전석에서 모터를 조작할 수 있는 헤드램프 조사각도 조절장치를 장착하여 조사각도를 조절하였다. 즉, 운전석에서 운전자가 조사각 조절스위치를 조작하여 헤드램프의 조사각도를 0, 1, 2, 3단계로 조절하는 것이다.In order to alleviate this inconvenience, the head lamp is equipped with a motor for controlling the irradiation angle of the head lamp, and the head lamp irradiation angle adjusting device for operating the motor in the driver's seat is adjusted to adjust the irradiation angle. In other words, in the driver's seat, the driver operates the irradiation angle adjusting switch to adjust the irradiation angle of the headlamp in 0, 1, 2, and 3 steps.

예를 들어, 뒷자석에만 승객이 탑승하게 되거나 트렁크에 많은 짐이 적재되어 차량의 앞부분이 뒷부분 보다 들려서 헤드램프가 상향 조사되는 경우, 운전자는 조사각 조절스위치를 조작하여 헤드램프의 조사각도를 하향 조절해야 한다. 그리고 차량의 뒷부분이 앞부분 보다 들려서 헤드램프가 하향 조사되는 경우에는 조사각 조절스위치를 조작하여 헤드램프의 조사각도를 상향 조절해야 한다.For example, if the passengers are only occupied in the rear seats or if there is a lot of luggage in the trunk and the front part of the vehicle is lifted above the rear part and the headlamp is irradiated upward, the driver operates the angle adjustment switch to lower the headlamp irradiation angle You have to adjust it. When the headlamp is irradiated downward because the rear portion of the vehicle is lifted from the front portion, the irradiation angle of the headlamp should be adjusted upward by operating the irradiation angle adjusting switch.

이와 같이, 종래의 헤드램프 조사각도 조절장치는 차체의 앞 뒤 기울기에 대응하여 운전자가 스위치 조작으로 일일이 헤드램프의 조사각도를 조절해야 하는 불편함이 있었고, 운전자가 조사각도를 조절결과 조사각도가 수평을 유지하기가 어려운 문제점이 있었다.As such, the conventional headlamp irradiation angle adjusting device is inconvenient that the driver has to adjust the irradiation angle of the headlamp by the switch operation in response to the front and rear tilt of the vehicle body, and the driver adjusts the irradiation angle. There was a problem that it was difficult to keep level.

본 발명의 목적은 종래의 문제점을 해소하기 위한 것으로, 특히 적재상태 또는 승차상태에 따른 차체의 기울어짐에 따라 변동되는 헤드램프의 조사각도를 자동으로 조절하여 헤드램프의 조사각도가 항상 수평을 유지하도록 조절하는 헤드램프의 조사각도 자동조절장치에 관한 것이다.An object of the present invention is to solve the conventional problems, in particular to automatically adjust the irradiation angle of the headlamp fluctuating according to the inclination of the vehicle body according to the loading state or riding state, the irradiation angle of the headlamp is always kept horizontal The irradiation angle of the headlamp to adjust so that the automatic control device.

본 발명 헤드램프의 조사각도 자동조절장치는 헤드램프의 반사경과 수평위치에 설치되어 차체의 앞 뒤 기울기를 검출하는 수평감지센서와; 상기 수평감지센서로부터 입력되는 앞 뒤 기울기신호에 따라 헤드램프의 반사경을 조정하여 헤드램프의 조사각도를 조절하는 조사각조정부를 포함하여 구성되는 것을 특징으로 한다.Automatically adjusting the irradiation angle of the headlamp of the present invention is installed in a horizontal position with the reflector of the headlamp horizontal detection sensor for detecting the front and rear tilt of the vehicle body; And an irradiation angle adjusting unit for adjusting an irradiation angle of the head lamp by adjusting a reflecting mirror of the head lamp according to the front and rear tilt signals input from the horizontal sensing sensor.

도 1은 본 발명의 구성을 나타낸 블럭도,1 is a block diagram showing the configuration of the present invention;

도 2는 본 발명의 수평감지센서가 설치된 헤드램프의 단면도,2 is a cross-sectional view of a head lamp having a horizontal sensor of the present invention,

도 3은 차체가 뒤로 기울어진 경우, 헤드램프의 단면도,3 is a cross-sectional view of the headlamp when the body is tilted backwards,

도 4는 차체가 앞으로 기울어진 경우, 헤드램프의 단면도.4 is a cross-sectional view of the headlamp when the vehicle body is tilted forward.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

10 : 헤드램프 11 : 반사경10 headlamp 11: reflector

20 : 수평감지센서 21 : 이동접점20: horizontal sensor 21: moving contact

30 : 조사각조정부30: irradiation angle adjusting unit

본 발명의 실시예를 도 1 내지 도 4를 참조하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to FIGS. 1 to 4 as follows.

본 발명 헤드램프의 조사각도 자동조절장치는 도 1과 도 2에 나타낸 바와 같이, 헤드램프(10)의 반사경(11)과 수평위치에 설치되어 차체의 앞 뒤 기울기를 검출하는 수평감지센서(20)와; 상기 수평감지센서(20)로부터 입력되는 앞 뒤 기울기신호에 따라 헤드램프의 반사경(11)을 조정하여 헤드램프(10)의 조사각도를 조절하는 조사각조정부(30)를 포함하여 구성된다.As shown in FIGS. 1 and 2, the automatic irradiation angle adjusting device of the headlamp of the present invention is installed in a horizontal position with the reflector 11 of the headlamp 10 to detect a front and rear tilt of the vehicle body 20. )Wow; The irradiation angle adjusting unit 30 is configured to adjust the irradiation angle of the head lamp 10 by adjusting the reflecting mirror 11 of the head lamp according to the front and rear tilt signals input from the horizontal sensor 20.

상기 수평감지센서(20)는 헤드램프(10)의 반사경(11)과 수평위치에 설치된다.The horizontal sensor 20 is installed in a horizontal position with the reflector 11 of the head lamp 10.

상기 조사각조정부(30)는 모터로 이루어져 입력되는 앞 뒤 기울기 신호에 따라 정회전 또는 역회전되어 상기 헤드램프의 반사경(21)을 상향 또는 하향 조절한다.The irradiation angle adjusting unit 30 is made of a motor to rotate forward or reverse according to the front and rear tilt signals input to adjust the reflector 21 of the headlamp upward or downward.

즉, 차체가 수평을 유지하는 경우, 도 2에서와 같이, 상기 수평감지센서(20)의 이동접점(21)은 "중립"상태가 된다. 이에 따라, 헤드램프(10)의 조사각도는 지면에 대하여 수평으로 유지된다.That is, when the vehicle body is horizontal, as shown in Figure 2, the moving contact 21 of the horizontal sensor 20 is in a "neutral" state. Accordingly, the irradiation angle of the headlamp 10 is kept horizontal with respect to the ground.

차체가 뒤로 기울어진 경우, 도 3에서와 같이, 상기 수평감지센서(20)의 이동접점(21)이 "-단자" 쪽으로 이동되어 조사각조정부(30)에 "-전압"을 인가한다. 에 따라, 상기 조사각조정부(30)는 상기 수평감지센서(20)로부터 "-전압"이 "0전압"이 될 때까지 헤드램프의 반사경(21)을 하향 조절한다. 이에 따라, 차체는 뒤로 기울어진 상태이지만 헤드램프(10)의 조사각도는 수평으로 유지된다.When the vehicle body is inclined backward, as shown in FIG. 3, the moving contact 21 of the horizontal sensor 20 is moved toward the “-terminal” to apply the “−voltage” to the irradiation angle adjusting unit 30. Accordingly, the irradiation angle adjusting unit 30 adjusts the reflector 21 of the headlamp downward until the "-voltage" becomes "0 voltage" from the horizontal sensor 20. Accordingly, although the vehicle body is inclined backward, the irradiation angle of the headlamp 10 is kept horizontal.

또한, 차체가 앞으로 기울어진 경우, 도 4에서와 같이, 상기 수평감지센서(20)의 이동접점(21)이 "+단자" 쪽으로 이동되어 조사각조정부(30)에 "+전압"을 인가한다. 에 따라, 상기 조사각조정부(30)는 상기 수평감지센서(20)로부터 "+전압"이 "0전압"이 될 때까지 헤드램프의 반사경(21)을 상향 조절한다. 이에 따라, 차체는 앞으로 기울어진 상태이지만 헤드램프(10)의 조사각도는 수평으로 유지된다.In addition, when the vehicle body is inclined forward, as shown in FIG. 4, the movable contact 21 of the horizontal sensor 20 is moved toward the "+ terminal" to apply "+ voltage" to the irradiation angle adjusting unit 30. . Accordingly, the irradiation angle adjusting unit 30 adjusts the reflector 21 of the headlamp upward until the "+ voltage" becomes "0 voltage" from the horizontal sensor 20. Accordingly, the vehicle body is inclined forward, but the irradiation angle of the headlamp 10 is kept horizontal.

상기에서는 평지에서 차체가 앞으로 또는 뒤로 기울어진 경우, 헤드램프의 조사각도 조절에 대하여 설명하였지만 평지에서 차체가 앞으로 기울어진 경우는 내리막 길에서의 조사각도 조절과 동일하고, 평지에서 차체가 뒤로 기울어진 경우는 오르막 길에서의 조사각도 조절과 동일하다.In the above description, when the body is tilted forward or backward on a flat surface, the adjustment of the irradiation angle of the headlamp is explained. However, when the body is tilted forward on a flat surface, it is the same as the adjustment of the irradiation angle on a downhill road. The case is the same as the adjustment of the irradiation angle on the uphill road.

이와 같이, 본 발명 헤드램프의 조사각도 자동조절장치는 경사길에서의 헤드램프의 조사각도를 자동으로 조절할 뿐만 아니라 평지에서 차체의 앞 뒤 기울기에따른 헤드램프의 조사각도를 자동으로 조절하여 조사각도를 항상 수평으로 유지시키는 것으로, 야간 운행시 시계성을 향상시키어 안전운행에 기여하며, 운전자의 편의성을 향상시키며, 제어장치가 필요 없어 원가절감 및 공정을 단순화시키는 유용한 것이다.As such, the automatic adjustment of the irradiation angle of the headlamp of the present invention automatically adjusts the irradiation angle of the headlamp on the inclined road as well as automatically adjusting the irradiation angle of the headlamp according to the front and rear tilt of the vehicle body on a flat surface. By keeping it horizontal at all times, it improves visibility at night operation, contributes to safe operation, improves the convenience of the driver, and it is useful to reduce costs and simplify the process without the need for a control device.

Claims (1)

헤드램프의 반사경과 수평위치에 설치되어 차체의 앞 뒤 기울기를 검출하는 수평감지센서와;A horizontal sensing sensor installed at a horizontal position with a reflector of the headlamp to detect a tilt of the vehicle body; 상기 수평감지센서로부터 입력되는 앞 뒤 기울기신호에 따라 헤드램프의 반사경을 조정하여 헤드램프의 조사각도를 조절하는 조사각조정부를 포함하여 구성되는 것을 특징으로 하는 헤드램프의 조사각도 자동조절장치.And an irradiation angle adjusting unit for adjusting an irradiation angle of the head lamp by adjusting a reflecting mirror of the head lamp according to the front and rear tilt signals inputted from the horizontal sensor.
KR10-2000-0077302A 2000-12-15 2000-12-15 apparatus for adjusting the irradiation angle of a head lamp automatically KR100405420B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2000-0077302A KR100405420B1 (en) 2000-12-15 2000-12-15 apparatus for adjusting the irradiation angle of a head lamp automatically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2000-0077302A KR100405420B1 (en) 2000-12-15 2000-12-15 apparatus for adjusting the irradiation angle of a head lamp automatically

Publications (2)

Publication Number Publication Date
KR20020048048A true KR20020048048A (en) 2002-06-22
KR100405420B1 KR100405420B1 (en) 2003-11-15

Family

ID=27682453

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-0077302A KR100405420B1 (en) 2000-12-15 2000-12-15 apparatus for adjusting the irradiation angle of a head lamp automatically

Country Status (1)

Country Link
KR (1) KR100405420B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140030752A (en) * 2012-09-03 2014-03-12 현대모비스 주식회사 Method for initiating adaptive front light system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140030752A (en) * 2012-09-03 2014-03-12 현대모비스 주식회사 Method for initiating adaptive front light system

Also Published As

Publication number Publication date
KR100405420B1 (en) 2003-11-15

Similar Documents

Publication Publication Date Title
JP2001080409A (en) Auto-leveling device for headlight of automobile
JP3128609B2 (en) Illumination direction control device for vehicle lighting
EP3127746B1 (en) Lighting and/or signalling device of a motor vehicle comprising at least two lighting modules
JP3782625B2 (en) Auto-leveling device for automotive headlamps
KR100405420B1 (en) apparatus for adjusting the irradiation angle of a head lamp automatically
JP2000085459A5 (en)
JP2000039847A (en) Inclining degree controller of car navigation device screen
FR2766140A1 (en) ROAD LIGHTING FOR VEHICLES WITH RELEVANT CODE LIGHTING
JP2008247210A (en) Auto leveling device
JPH08192673A (en) Optical axis adjusting device of headlight for vehicle
KR0174045B1 (en) Headlamp aiming device
JPH01127466A (en) Head light for two-wheel barrow
KR0182211B1 (en) Headlamp
JP2001039211A (en) Vehicle pitch angle arithmetic unit
JP3075027B2 (en) Light distribution control device for vehicle headlamp
KR200152768Y1 (en) Head lamp
KR970008538B1 (en) Direction control apparatus of head lamp for a car
JP2003335171A (en) Head light device for vehicle
KR20050082307A (en) Device and method for controlling vertical angle of head-lamps for vehicles
KR100210936B1 (en) Head lamp
KR19980064403U (en) Side mirror auto adjuster of vehicle
JP2005132148A (en) Vehicular sun visor device
KR20130053477A (en) Electric side mirror
JP3091946B2 (en) Vehicle headlamp optical axis adjustment device
JPH0245232A (en) Illuminating angle adjustment device for vehicle head lamp

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20121031

Year of fee payment: 10

FPAY Annual fee payment

Payment date: 20131031

Year of fee payment: 11

FPAY Annual fee payment

Payment date: 20141030

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee