KR101382457B1

KR101382457B1 - A lamp apparatus for vehicles

Info

Publication number: KR101382457B1
Application number: KR1020110117510A
Authority: KR
Inventors: 채원석
Original assignee: 현대모비스 주식회사
Priority date: 2011-11-11
Filing date: 2011-11-11
Publication date: 2014-04-08
Also published as: KR20130052197A

Abstract

The present invention is a lamp module for irradiating light; A fixed body disposed at the rear of the lamp module, coupled to the lamp module, and having a first rotating gear at a rear portion thereof; And a motor module connected to the fixed body to control the rotation of the lamp module. The motor module is provided with a first driving gear meshed with the first rotating gear to rotate the fixed body. A first motor unit provided with two rotation gears; It relates to a vehicle lamp device for rotating the lamp module at a constant angular speed including a second motor portion is provided with a second driving gear meshed with the second rotation gear to rotate the first motor module.

Description

Lamp unit for vehicles {A lamp apparatus for vehicles}

The present invention relates to a vehicle lamp device, and more particularly to a vehicle lamp device including a motor module capable of rotating the lamp module at a constant angular speed.

Generally, the vehicle is provided with a lamp unit for stably securing the driver's watch or informing the other vehicles of the running state of the vehicle when the ambient illuminance during driving is low.

The vehicular lamp unit includes a head lamp installed in front of the vehicle and a rear lamp installed in the rear of the vehicle. The headlamp is a lamp that illuminates the front and illuminates forward during nighttime operation. The rear lamp includes a brake that is turned on when the driver operates the brake and a direction indicator that informs the driving direction of the vehicle. Therefore, the vehicle lamp device plays an important role for the driver's safety.

Conventional vehicle lamp device is applied AFLS (Adaptive Front-Lighting System). AFLS is a technology that increases visibility to the driver by moving the headlamp in the direction of the vehicle's travel. When using a high light source, it is used in combination with an auto-leveling system that requires lowering the headlamp to reduce glare from the other side of the vehicle. In addition, AFLS is composed of ECU to control the system, Swivel ISM (Inteligent Stepping Motor) to move the headlamp left and right, Leveling Motor to move the headlamp up and down, and sensor unit for detecting the weight difference between the front and rear of the vehicle.

The Swivel ISM and the leveling motor of the AFSL rotate the lamp module by a linear motion that pushes or pulls the lamp module. Therefore, the conventional vehicle lamp device has a problem in that it is difficult to control the rotation speed of the lamp module to rotate the lamp module through a linear motion.

In addition, the swivel ISM and the leveling motor of the conventional vehicle lamp device takes a lot of space.

The problem to be solved by the present invention is to provide a vehicle lamp device that allows the lamp module to rotate at a constant angular velocity.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a vehicle lamp device according to an embodiment of the present invention includes a lamp module for irradiating light; A fixed body disposed at the rear of the lamp module, coupled to the lamp module, and having a first rotating gear at a rear portion thereof; And a motor module connected to the fixed body to control the rotation of the lamp module. The motor module is provided with a first driving gear meshed with the first rotating gear to rotate the fixed body. A first motor unit provided with two rotation gears; And a second motor unit meshed with the second rotation gear and provided with a second driving gear for rotating the first motor module.

The details of other embodiments are included in the detailed description and drawings.

According to the vehicle lamp device of the present invention has one or more of the following effects.

First, there is an advantage that can be controlled to rotate the lamp module to apply AFLS up, down, left and right at a constant angular speed.

Second, there is an advantage of minimizing the mounting space of the motor module by applying a compact motor module.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a view showing a state in which a vehicle lamp device is mounted on a vehicle according to an embodiment of the present invention.
2 is a side cross-sectional view of a vehicle lamp device according to an embodiment of the present invention.
3 is a schematic plan view of a vehicle lamp device according to an embodiment of the present invention.
Figure 4a is a side view of the operating state of the vehicle lamp device according to an embodiment of the present invention.
Figure 4b is a view from above of the operating state of the vehicle lamp device according to an embodiment of the present invention.
5 is a side cross-sectional view of a vehicle lamp device according to another embodiment of the present invention.
6 is a schematic plan view of a vehicle lamp device according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining a vehicle lamp unit 10 according to embodiments of the present invention. The forward rotation direction to be described later refers to a clockwise direction, and the reverse rotation direction refers to a counterclockwise direction.

1 is a view showing a state in which a vehicle lamp device is mounted on a vehicle according to an embodiment of the present invention.

Referring to FIG. 1, a vehicle lamp device 10 according to an embodiment of the present invention is mounted at the front of the vehicle 1. Therefore, in the present embodiment, the vehicle lamp device 10 includes a head lamp, a fog lamp, and the like, which secures the driver's front night vision.

The vehicle lamp device 10 is mounted on the left and right sides of the vehicle 1 front, respectively. In addition, it may be formed in various shapes in consideration of the driver's taste. In this embodiment, the shape is made of the shape of a hawk's eye.

2 is a side cross-sectional view of a vehicle lamp device according to an embodiment of the present invention. 3 is a schematic plan view of a vehicle lamp device according to an embodiment of the present invention.

2 and 3, the vehicle lamp device 10 according to an embodiment of the present invention includes a cover lens, a lamp housing 400, a lamp module 100, a fixture 200, and a motor module 300. It includes.

The lamp housing 400 forms a space in which the lamp module 100, the fixture 200, and the motor module 300 are accommodated. The lamp housing 400 has an opening formed at the front thereof. Therefore, light generated by the lamp module 100 may be irradiated to the front of the vehicle 1. The cover lens 500 is connected to the front of the lamp housing 400. Thus, the opening of the lamp housing 400 is covered by the cover lens 500.

The cover lens 500 is disposed in front of the lamp housing 400 to cover the opening of the lamp housing 400. The cover lens 500 is made of a transparent plastic material or glass material. In general, it is preferable that the ALDC plastic material having excellent thermal conductivity.

The lamp module 100 includes a lens, a shield, a light source unit, a reflector, and a driving unit, and irradiates light forward.

The light source unit receives power from the driving unit and radiates light forward. The light source unit may adjust the intensity of light by adjusting the intensity of the voltage or current applied from the driver. The light source unit may be a halogen lamp, a high voltage emitting (HID) lamp, an LED (LED) lamp, or the like. However, in consideration of power efficiency and light intensity, it is preferable to use an LED lamp that emits light brightly with low power consumption.

The reflector is disposed behind the light source portion. Therefore, the reflector reflects the light irradiated from the light source unit toward the front of the vehicle 1. The reflector may be made of aluminum (Al), silver (Ag), or the like having good reflectivity, or may be coated on a surface that reflects light.

The lens is disposed in front of the light source and the reflector. In addition, the lens refractory transmits the light reflected by the reflector. The lens may be made of an aspherical lens. Therefore, the light passing through the focus of the reflector can go straight ahead of the vehicle 1 by passing through the aspherical lens. The lens may be made of transparent glass, plastic, or the like.

The shield is disposed between the lens and the light source portion. In general, the shield is preferably placed at the focal point of the reflector. The shield may determine a light distribution pattern by blocking a part of the light emitted from the light source unit. Therefore, the light distribution pattern may vary depending on the shape of the shield.

The driving unit is connected to the rear part of the light source unit to apply power to the light source unit. The driving unit also includes a printed circuit board for controlling the light source unit.

The fixture 200 is disposed at the rear of the lamp module 100 to couple with the lamp module 100. The fixture 200 may be coupled to both sides of the lamp module 100. In addition, in the present embodiment, the fixture 200 is coupled to the left and right sides of the lamp module 100. However, in another embodiment of the present invention, the fixture 200 may be coupled to or inserted into the rear portion of the lamp module 100.

The fixture 200 may be coupled to the lamp module 100 through bolts or welding. The fixed body 200 is provided with a first rotating gear 210 in the rear portion. The first rotation gear 210 rotates the fixed body 200 by receiving the rotational force by the first driving gear 310 to be described later.

The first rotating gear 210 may be formed in a fan shape larger than the radius of the first driving gear 310 to be described later. Therefore, the first rotating gear 210 rotates at an angle smaller than that of the first driving gear 310. In addition, the rotation angle of the lamp module 100 may be determined according to the angle of the fan shape of the first rotation gear 210. And it is preferable that the angle of a fan shape becomes 60 degree | times.

In the present embodiment, the first rotating gear 210 has a circular arc of left and right. Therefore, when the first rotation gear 210 rotates, the lamp module 100 rotates left and right.

The motor module 300 is connected to the stationary body 200 to control the rotation of the lamp module 100. Therefore, the motor module 300 may rotate the lamp module 100 at a constant angular velocity. In addition, the motor module 300 includes a first motor unit 320, a second motor unit 350, a motor control unit, and a motor housing 360.

The first motor unit 320 may rotate in the forward direction and in the reverse direction, and generates power for rotating the lamp module 100. The first motor unit 320 includes a first driving gear 310 and a second rotating gear 330.

The first driving gear 310 is disposed on the rotation axis of the first motor unit 320 and is disposed in front of the first motor unit 320. As described above, the first driving gear 310 is formed smaller than the radius of the first rotation gear 210.

The first driving gear 310 is engaged with the first rotating gear 210 to rotate the fixed body 200. That is, the first driving gear 310 rotates by receiving the rotational force of the first motor unit 320, and the first driving gear 310 also rotates by rotating the first driving gear 310. Therefore, when the first rotating gear 210 rotates, the fixed body 200 is rotated, and the lamp module 100 coupled to the fixed body 200 is also rotated. As will be described later, when the first driving gear 310 rotates forward, the first rotation gear 210 rotates in reverse. In the present embodiment, the first motor 320 rotates the first drive gear 310 to rotate the fixed body 200 to the left and right. The lamp module 100 rotates from side to side.

The second rotation gear 330 is provided at the rear of the first motor unit 320. The second rotating gear 330 is meshed with the second driving gear 340 which will be described later. The second rotating gear 330 may be formed in a fan shape larger than the radius of the second driving gear 340 which will be described later. Therefore, the second rotating gear 330 rotates at an angle smaller than that of the second driving gear 340. As will be described later, the rotation angle of the first motor unit 320 may be determined according to the angle of the fan shape of the second rotation gear 330. And it is preferable that the angle of a fan shape becomes 60 degree | times.

In the present embodiment, the second rotating gear 330 is disposed in an arc of a fan shape up and down. Therefore, the second motor unit 350 rotates the second rotating gear 330 to rotate the first motor unit up and down. Thus, the lamp module 100 is rotated up and down.

The second motor unit 350 may rotate forward and reverse, and generates power for rotating the first motor unit 320. In addition, the second motor unit 350 includes a second driving gear 340.

The second driving gear 340 is disposed on the rotation axis of the second motor unit 350. In addition, the second driving gear 340 is engaged with the second rotation gear 330 to rotate the first motor unit 320. That is, the second driving gear 340 is rotated by receiving the rotational force of the second motor unit 350, and the second driving gear 330 also rotates by rotating the second driving gear 340. Therefore, the first motor unit 320 is rotated by rotating the second rotating gear 330. As will be described later, when the second driving gear 340 is rotated forward, the second rotation gear 330 is reversed. In addition, as described above, the second driving gear 340 is formed smaller than the radius of the second rotation gear 330.

The motor controller is connected to the first motor unit 320 and the second motor unit 350. The motor controller may control the rotation speeds of the first driving gear 310 and the second driving gear 340. Accordingly, the motor controller may control the first driving gear 310 and the second driving gear 340 to accelerate, rotate at constant speed.

Thus, when the motor controller controls the rotation speed of the first driving gear 310 and the second driving gear 340 constantly, the motor angular speed of the lamp module 100 can also be controlled constantly.

The motor housing 360 is disposed at the rear of the lamp housing 400. The motor housing 360 has a space for accommodating the first motor part 320 and the first motor part 320. The motor housing 360 has a first stopper 361 coupled to both side surfaces thereof to prevent the first rotation gear 210 from being rotated by a predetermined angle or more.

In addition, the motor housing 360 is coupled to the second stopper 362, which prevents the second rotation gear 330 from rotating more than a predetermined angle, on both sides perpendicular to both sides to which the first stopper 361 is coupled. do.

In this embodiment, the first stopper 361 is coupled to the left and right side surfaces of the motor housing 360, respectively, and the second stopper 362 is coupled to the upper and lower side surfaces of the motor housing 360, respectively.

The first stopper 361 and the second stopper 362 may be provided with a material that absorbs shock on one side of the first contacting gear 210 and the second rotating gear 330. Preferably, a rubber material may be mounted. Therefore, when the first rotating gear 210 and the second rotating gear 330 contact the first stopper 361 and the second stopper 362, it is possible to prevent the shock.

5 is a side cross-sectional view of a vehicle lamp device according to another embodiment of the present invention. 6 is a schematic plan view of a vehicle lamp device according to another embodiment of the present invention.

Another embodiment of the present invention will be described with reference to FIGS. 5 and 6. However, the following description will focus on the differences from the above-described embodiment of the present invention.

The first rotating gear 210 may be formed in a fan shape larger than the radius of the first driving gear 310. In the present embodiment, the first rotating gear 210 has a fan-shaped arc disposed up and down. Therefore, the first motor unit 320 rotates the first rotating gear 210 to rotate the fixed body 200 up and down. The lamp module 100 is rotated up and down.

In addition, the second rotation gear 330 may be formed in a fan shape larger than the radius of the second driving gear 340. In the present embodiment, the second rotating gear 330 is arranged to have a fan-shaped arc from side to side. Therefore, the second motor unit 350 rotates the second rotating gear 330 to rotate the first motor unit 320 to the left and right. The lamp module 100 is rotated from side to side.

The operation of the vehicular lamp unit 10 according to the present invention will now be described. The forward rotation direction to be described later refers to a clockwise direction, and the reverse rotation direction refers to a counterclockwise direction.

Figure 4a is a side view of the operating state of the vehicle lamp device according to an embodiment of the present invention. Figure 4b is a view from above of the operating state of the vehicle lamp device according to an embodiment of the present invention.

4A and 4B, the lamp module 100 according to the exemplary embodiment of the present invention is rotated up, down, left, and right by the motor module 300.

Referring to FIG. 4A, when the first motor unit 320 rotates forward, the first driving gear 310 rotates forward clockwise. Therefore, the first rotation gear 210 meshed with the first driving gear 310 is reversed. As the first rotation gear 210 rotates in reverse, the lamp module 100 rotates in the left direction.

Also. When the first motor unit 320 rotates forward, the first drive gear 310 rotates counterclockwise. Therefore, the first rotating gear 210 meshed with the first driving gear 310 rotates forward. As the first rotating gear 210 rotates forward, the lamp module 100 rotates to the left direction.

In addition, the motor module 300 may control the rotation speed of the first motor unit 320 to be constant. Accordingly, the first driving gear 310 rotates constantly, and thus the lamp module 100 also rotates to the left and right at a constant angular speed.

Referring to FIG. 4B, when the second motor unit 350 rotates forward, the second driving gear 340 rotates forward clockwise. Therefore, the second driving gear 340 meshed with the second driving gear 340 is reversed. As the second rotating gear 330 reversely rotates, the lamp module 100 rotates upward.

In addition, when the second motor unit 350 reversely rotates, the second driving gear 340 rotates counterclockwise. Therefore, the second rotation gear 330 meshed with the second driving gear 340 rotates forward. As the second rotation gear 330 rotates forward, the lamp module 100 rotates downward.

In addition, the motor module 300 may constantly control the rotation speed of the second motor unit 350. Therefore, the second driving gear 340 is constantly rotated, and thus the lamp module 100 is also rotated up and down at a constant angular speed.

However, in another embodiment of the present invention, by rotating the first motor unit 320, the lamp module 100 may be rotated up and down, and by rotating the second motor unit 350, the lamp module 100. ) May be rotated left and right.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It should be understood that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

1: vehicle 10: vehicle lamp unit
100: lamp module 200: fixed body
210: first rotational gear 300: motor module
310: first driving gear 320: first motor part
330: second drive gear 340: second drive gear
350: second motor portion 360: motor housing
361: first stopper 362: second stopper

Claims

A lamp module for irradiating light;
A fixed body disposed at the rear of the lamp module, coupled to the lamp module, and having a first rotating gear at a rear portion thereof;
A motor module connected to the fixed body to control rotation of the lamp module;
The motor module
A first motor unit engaged with the first rotation gear and having a first driving gear for rotating the fixed body up and down, and having a second rotation gear at a rear portion thereof;
And a second motor part meshed with the second rotation gear and provided with a second driving gear for rotating the first motor part left and right.

delete

The method of claim 1,
The fixture is coupled to both sides of the lamp module vehicle lamp device.

The method of claim 1,
The first rotation gear is a vehicle lamp device is formed in a fan shape larger than the radius of the first drive gear.

The method of claim 1,
And the second rotation gear is formed in a fan shape larger than a radius of the second driving gear.

The method of claim 1,
The motor module
And a motor housing accommodating the first motor part and the second motor part.

8. The method of claim 7,
The motor housing is
A first stopper on both sides to prevent the first rotation gear from rotating at a predetermined angle or more;
And a second stopper on both sides perpendicular to the both sides to prevent the second rotation gear from rotating at a predetermined angle or more.