Automobile lamp and automobile including the lamp
By integrating high and low beams into a single module with reflective and irradiation components, the headlamp manufacturing cost and time are reduced, and size is minimized while meeting regulatory lighting standards.
Patent Information
- Application Number
- JP2020217757
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2019-12-26
- Filing Date
- 2020-12-25
- Publication Date
- 2025-07-24
- Estimated Expiration
- 2040-12-25
AI Technical Summary
Existing automotive headlamp manufacturing methods are inefficient in terms of cost and time, and the large size of the headlamp is a result of separate modules for high and low beams.
Integrating a high beam and a low beam into a single module with a lens portion, reflection portion, low beam irradiation portion, high beam irradiation portion, and a shield, allowing for the low beam to be reflected and superimposed with the high beam in a central region of the lens, and using independently controllable high beam light sources.
Reduces manufacturing cost and time while minimizing the headlamp's size by integrating the high and low beams into a single module, ensuring compliance with regulatory lighting requirements.
Smart Images

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Abstract
Description
Technical Field
[0001] The present invention relates to an automotive lamp and an automobile including the lamp.
Background Art
[0002] Automotive lamps can be broadly classified into headlamps installed in front of an automobile and tail lamps installed at the rear of the automobile. Among these, a headlamp is configured to be mounted on the left and right sides in front of the automobile, and secures the driver's forward field of view by illuminating the front of the vehicle in situations such as night driving.
[0003] Such a headlamp can also be distinguished into a high beam used when driving on a road without oncoming vehicles and a low beam used in general road conditions other than those where the high beam is used.
[0004] According to the prior art, such a high beam and a low beam are composed of separate modules, and a headlamp is manufactured by combining a high beam and a low beam composed of separate modules. However, such a manufacturing method has a problem in that it is not efficient in terms of manufacturing cost and time because the high beam and the low beam can be manufactured separately, and the overall size of the headlamp also becomes large.
Summary of the Invention
Problems to be Solved by the Invention
[0005] Therefore, the problem to be solved by the present invention is to reduce the manufacturing cost and time of a headlamp and reduce the size of the headlamp by enabling a high beam and a low beam constituting an automotive lamp to be provided in one module.
Means for Solving the Problems
[0006] According to one aspect of the present invention for achieving the above object, there is provided an automotive lamp including: a lens portion having a convex shape in the outer direction and allowing light to pass through; a reflection portion provided inside the lens portion, having a convex shape upward and capable of reflecting light; a low beam irradiation portion provided below the reflection portion for irradiating a low beam; and a high beam irradiation portion provided below the low beam irradiation portion for irradiating a high beam. A part of the low beam irradiated by the low beam irradiation portion is reflected in a region of the reflection portion adjacent to the low beam irradiation portion and reaches the central region C in the vertical direction of the lens portion.
[0007] A part of the low beam irradiated by the low beam irradiation portion can be reflected in the peripheral region of the reflection portion closest to the low beam irradiation portion and reach the central region C of the lens portion.
[0008] The lens portion includes: an upper lens forming an upper region of the lens portion; a lower lens forming a lower region of the lens portion; and a connection region formed between the upper lens and the lower lens. A part of the low beam irradiated by the low beam irradiation portion is reflected in a region of the reflection portion adjacent to the low beam irradiation portion and reaches the connection region of the lens portion, and the connection region may be included in the central region C.
[0009] A part of the high beam irradiated by the high beam irradiation portion reaches the connection region of the lens portion, so that the low beam and the high beam may be superimposed on each other in the connection region.
[0010] The radius of curvature of the upper lens and the radius of curvature of the lower lens may be different from each other.
[0011] It may further include a shield provided below the low beam irradiation portion and above the high beam irradiation portion for blocking the progress of at least a part of the low beam irradiated by the low beam irradiation portion.
[0012] The high beam irradiation unit may include: a high beam light source that generates the high beam; a rod unit that provides a path along which the high beam generated by the high beam light source moves; and a high beam emission unit that irradiates the high beam that has moved through the rod unit toward the lens unit.
[0013] A plurality of the high beam light sources and a plurality of the rod units may be provided, and the plurality of high beam light sources and the plurality of rod units may be paired one-to-one with each other.
[0014] The flashing of the plurality of high beam light sources may be controlled independently of each other.
[0015] An indented portion having an indented shape may be formed in a region of the peripheral edge of the shield that faces the lens unit.
[0016] The vertical width of the central region C of the lens unit, which is reached by a part of the low beam irradiated by the low beam irradiation unit and reflected in a region of the reflecting unit adjacent to the low beam irradiation unit, may be 5 mm or more and 7 mm or less.
[0017] According to another aspect of the present invention for achieving the above object, there is provided an automobile including an automotive lamp, the automotive lamp including: a lens unit having a convex shape in an outer direction and through which light can be transmitted; a reflecting unit provided inside the lens unit and having a convex shape upward and capable of reflecting light; a low beam irradiation unit provided below the reflecting unit and irradiating a low beam; and a high beam irradiation unit provided below the low beam irradiation unit and irradiating a high beam, wherein a part of the low beam irradiated by the low beam irradiation unit is reflected in a region of the reflecting unit adjacent to the low beam irradiation unit and reaches the vertical central region C of the lens unit.
[0018] The automotive lamp may be provided in a front region of the automobile.
Advantages of the Invention
[0019] According to the present invention, since the high beam and the low beam constituting the vehicle lamp can be provided in one module, the manufacturing cost and time of the headlamp can be reduced, and the size of the headlamp can be reduced.
Brief Description of the Drawings
[0020]
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Embodiments for Carrying Out the Invention
[0021] Hereinafter, with reference to the drawings, the vehicle lamp and the vehicle according to the present invention will be described.
[0022] Vehicle Lamp and Vehicle Fig. 1 is a perspective view showing the structure of the vehicle lamp according to the present invention, and Fig. 2 is a plan view showing the structure of the vehicle lamp according to the present invention. Further, Fig. 3 is a bottom view showing the structure of the high beam irradiation part of the vehicle lamp according to the present invention and its peripheral configuration, and Fig. 4 is a photograph showing the area where light is irradiated to the outside when the vehicle lamp according to the present invention is operated. Fig. 5 is a vertical sectional view showing the state where light reaches the lens part of the vehicle lamp according to the present invention. On the other hand, the vehicle lamp according to the present invention can be applied to a headlamp provided in the front area of the vehicle.
[0023] As shown in FIG. 1, the vehicle lamp 10 according to the present invention may include a lens portion 100 having a convex shape in the outer direction and through which light can pass. The lens portion 100 may be configured to transmit the light that has reached the lens portion. Therefore, the lens portion 100 may be made of a material that transmits light, particularly visible light.
[0024] In addition, the vehicle lamp 10 according to the present invention may include a reflecting portion 200 provided inside the lens portion 100 and having a convex shape upward. The reflecting portion 200 may be configured to reflect the light that has reached the reflecting portion. Therefore, the reflecting portion 200 may be made of a material that reflects light, particularly visible light.
[0025] Subsequently, referring to FIGS. 1 and 2, the vehicle lamp 10 according to the present invention may further include a low beam irradiation portion 300 provided below the reflecting portion 200 for irradiating a low beam.
[0026] The low beam irradiation portion means a configuration that illuminates the front so that the position of the vehicle can be confirmed even from a distance and the driver can gaze ahead, but relatively illuminates the light downward.
[0027] In addition, the vehicle lamp 10 according to the present invention may further include a high beam irradiation portion 500 provided below the low beam irradiation portion 300 for irradiating a high beam.
[0028] The high beam irradiation portion is similar in role to the low beam irradiation portion in that it illuminates the front so that the position of the vehicle can be confirmed even from a distance and the driver can gaze ahead, but is configured to be lit when the low beam alone cannot properly perform the above role, and means a configuration that illuminates the light relatively upward compared to the low beam.
[0029] In addition, the vehicle lamp 10 according to the present invention may be provided below the low beam irradiation unit 300 and above the high beam irradiation unit 500, and further include a shield 400 that blocks the progress of at least a part of the low beam irradiated by the low beam irradiation unit 300 or blocks the progress of at least a part of the high beam irradiated by the high beam irradiation unit 500. The shield 400 may be configured to adjust the area where the high beam or the low beam is irradiated to the outside by allowing only a part of the low beam irradiated by the low beam irradiation unit 300 or the high beam irradiated by the high beam irradiation unit 500 to reach the lens unit 100. More specifically, as shown in FIGS. 1 and 2, a recessed portion 400a having a recessed shape (a shape curved in a concave shape) may be formed in a region of the peripheral edge of the shield 400 that faces the lens unit 100.
[0030] FIG. 4 is a photograph showing the area where light is irradiated to the outside when the vehicle lamp according to the present invention is operated. More specifically, the left photograph shows the area where light is irradiated to the ground outside when the low beam irradiation unit 300 is lit, and the right photograph shows the area where light is irradiated to the ground outside when both the low beam irradiation unit 300 and the high beam irradiation unit 500 are lit.
[0031] As described above, since the low beam irradiation unit 300 is configured to irradiate light downward in the front, the low beam irradiated by the low beam irradiation unit 300 reaches the lower front region as shown in region A of FIG. 4.
[0032] However, at least a part of the low beam irradiated by the low beam irradiation unit 300 needs to reach not only region A in FIG. 4 but also region B in FIG. 4, which is an upper region than region A in FIG. 4. This is a requirement by regulations for the performance of vehicle lamps. By allowing the driver to recognize the existence of at least minimal objects in the upper front region (i.e., region B in FIG. 4), it is possible to prevent safety accidents when only the low beam is irradiated.
[0033] In order to comply with such regulations, a configuration can also be considered in which a part of the low beam irradiated by the low beam irradiation unit is reflected between the low beam irradiation unit and the lens unit in an automotive lamp, and after being reflected by such a light reflection configuration, it reaches the B region in FIG. 4.
[0034] However, since there are a high beam irradiation unit 500, a shield 400, etc. between the low beam irradiation unit 300 and the lens unit 100, when a light reflection configuration is further provided between the low beam irradiation unit 300 and the lens unit 100, problems such as the optical path of the light irradiated by the high beam irradiation unit 500 being obstructed may occur. Therefore, such a solution may not be preferable.
[0035] Therefore, according to the present invention, a part of the low beam irradiated by the low beam irradiation unit 300 may reach the central region C (see FIG. 5) in the vertical direction of the lens unit 100 after being reflected by the reflection unit 200.
[0036] That is, according to the present invention, a part of the low beam irradiated by the low beam irradiation unit 300 reaches the A region in FIG. 4 by reaching the lower region in the vertical direction of the lens unit 100 after being reflected by the reflection unit 200, while another part of the low beam irradiated by the low beam irradiation unit 300 reaches the central region C (see FIG. 5) in the vertical direction of the lens unit 100 after being reflected by the reflection unit 200, and finally the low beam reaches the B region in FIG. 4. As a result, while the original function of the low beam is exerted (the low beam reaches the A region in FIG. 4), additional requirements required by regulations for the low beam can also be satisfied (that is, the low beam also reaches the B region in FIG. 4). At this time, as shown in the left figure of FIG. 4, when only the low beam irradiation unit 300 is lit, the brightness of the A region in FIG. 4 may be greater than the brightness of the B region in FIG. 4.
[0037] Also, the vertical width of the central region C of the lens unit 100 that is reached by reflecting a part of the low beam irradiated by the low beam irradiation unit 300 in the region of the reflection unit 200 adjacent to the low beam irradiation unit 300 may be 5 mm or more and 7 mm or less. For example, the vertical width of the central region C may be 6 mm.
[0038] On the other hand, the vertical width of the entire lens unit 100 may be 47 mm or more and 53 mm or less. For example, the vertical width of the entire lens unit 100 may be approximately 50 mm.
[0039] On the other hand, in order for the beam that reaches the vertical center region C of the lens unit 100 among the beams irradiated by the low beam irradiation unit 300 to reach the region required by regulations (region B in FIG. 4), the beam reflected by the reflection unit 200 needs to travel close to the horizontal direction. Even if the beam reflected by the reflection unit 200 reaches the vertical center region C of the lens unit 100, if such a beam travels close to the vertical direction, it can reach the lower region without reaching the region required by regulations.
[0040] Therefore, the beam that reaches the vertical center region C of the lens unit 100 among the beams irradiated by the low beam irradiation unit 300 may be reflected in the region of the reflection unit 200 adjacent to the low beam irradiation unit 300. More preferably, the beam that reaches the vertical center region C of the lens unit 100 among the beams irradiated by the low beam irradiation unit 300 may be reflected in the peripheral region of the reflection unit 200 that is closest to the low beam irradiation unit 300. In this case, since the beam reflected by the reflection unit 200 travels as close to the horizontal direction as possible, the beam can smoothly reach the region required by regulations (region B in FIG. 4).
[0041] On the one hand, as shown in FIGS. 1 and 5, the lens unit 100 according to the present invention may include an upper lens 110 that forms an upper region of the lens unit, a lower lens 120 that forms a lower region of the lens unit, and a connection region 130 that is formed between the upper lens 110 and the lower lens 120 and connects the upper lens 110 and the lower lens 120 to each other. The upper lens 110, the lower lens 120, and the connection region 130 may be integrally formed. At this time, the fact that a plurality of components are integrally formed means that the plurality of components form an inseparable connection relationship to such an extent that the plurality of components cannot be separated from each other unless at least a part of the plurality of components is damaged.
[0042] At this time, referring to FIG. 5, the connection region 130 of the lens unit 100 may be included in the central region C of the lens unit 100. And a part of the low beam irradiated by the low beam irradiation unit 300 can be reflected in the region of the reflection unit 200 adjacent to the low beam irradiation unit 300 and reach the connection region 130 of the lens unit 100. More preferably, a part of the low beam irradiated by the low beam irradiation unit 300 can be reflected in the peripheral region of the reflection unit 200 that is closest to the low beam irradiation unit 300 and reach the connection region 130 of the lens unit 100. FIG. 5 shows a state in which the connection region 130 is formed at the center of the central region C.
[0043] On the other hand, the upper lens 110 and the lower lens 120 of the lens unit 100 may each have a predetermined radius of curvature, but the radius of curvature of the upper lens 110 and the radius of curvature of the lower lens 120 may be different from each other. Therefore, the connection region 130 of the lens unit 100 may be a kind of buffer configuration for naturally connecting the upper lens 110 and the lower lens 120 having different radii of curvature.
[0044] On the one hand, referring to FIGS. 4 and 5, when both the low beam irradiation unit 300 and the high beam irradiation unit 500 are lit, a part of the high beam irradiated by the high beam irradiation unit 500 can reach the connection area 130 of the lens unit 100. Therefore, the low beam and the high beam can be superimposed on each other in the connection area 130. The right side view of FIG. 4 shows a state where the low beam irradiation unit and the high beam irradiation unit are all lit, and the low beam and the high beam are superimposed on each other in area B.
[0045] On the other hand, as shown in FIG. 3, the high beam irradiation unit 500 may include a high beam light source 510 that generates a high beam, a rod unit 520 that provides a path for the high beam generated by the high beam light source 510 to move, and a high beam emission unit 530 that irradiates the high beam that has moved through the rod unit 520 toward the lens unit 100 (see FIG. 1). The high beam emission unit 530 may be made of silicon. The high beam light source 510 may be an LED.
[0046] At this time, a plurality of the high beam light source 510 and the rod unit 520 may be provided respectively. Also, the high beam light source 510 and the rod unit 520 may be provided in the same number as each other. FIG. 3 shows a case where 12 of the high beam light source 510 and the rod unit 520 are provided respectively.
[0047] Further, when a plurality of the high beam light source 510 and the rod unit 520 are provided in the same number as each other, the plurality of high beam light sources 510 and the plurality of rod units 520 can be paired with each other one-to-one. Therefore, the high beam generated by one high beam light source 510 can move to the high beam emission unit 530 through one rod unit 520.
[0048] On the one hand, according to the present invention, when a plurality of high beam light sources 510 are provided, the flashing of the plurality of high beam light sources 510 may be controlled independently of each other. Therefore, the area where the high beam reaches may be controlled according to the situation of the front area of the vehicle on which the automotive lamp according to the present invention is installed.
[0049] As shown in FIGS. 1 and 3, the vehicle lamp 10 according to the present invention may further include a bracket 600 provided below the high beam irradiation unit 500. The bracket 600 may be provided in close contact with the lower surface of the high beam irradiation unit 500 and may be configured to support and fix the high beam irradiation unit 500.
[0050] On the other hand, the vehicle according to the present invention may include the vehicle lamp 10. The content regarding the structure and characteristics of the vehicle lamp 10 replaces the content described above and the content shown in the drawings. Further, the vehicle lamp 10 may be provided in the front area of the vehicle as described above.
[0051] As described above, even if the present invention is described by way of limited embodiments and drawings, the present invention is not limited thereby, and it goes without saying that various implementations are possible within the equivalent scope of the technical idea of the present invention and the scope of the claims described below by those having ordinary knowledge in the technical field to which the present invention belongs.
Explanation of Reference Numerals
[0052] 10: Vehicle lamp 100: Lens unit 110: Upper lens 120: Lower lens 130: Connection area 200: Reflective unit 300: Low beam irradiation unit 400: Shield 400a: Indented portion 500: High beam irradiation unit 510: High beam light source 520: Rod portion 530: High beam emission unit 600: Bracket
Claims
1. A lens part having a convex shape in the outer direction and allowing light to pass through; A reflection part provided inside the lens part, having a convex shape upward, and capable of reflecting light; A low beam irradiation part provided at least partially below the reflection part and irradiating a low beam; and And A high beam irradiation part provided below the low beam irradiation part and irradiating a high beam; including Including, Among the low beams irradiated by the low beam irradiation part, a part is reflected in a region of the reflection part adjacent to the low beam irradiation part and reaches the central region C in the vertical direction of the lens part, The high beam irradiation part, A high beam light source that generates the high beam; A rod part that provides a path for the high beam generated by the high beam light source to move; and A high beam emission part that irradiates the high beam that has moved through the rod part toward the lens part; an automobile lamp.
2. Among the low beams irradiated by the low beam irradiation part, a part is reflected in the peripheral region of the reflection part that is closest to the low beam irradiation part and reaches the central region C of the lens part. The automobile lamp according to claim 1.
3. The lens part, An upper lens that forms the upper region of the lens part; A lower lens that forms the lower region of the lens part; and A connection region formed between the upper lens and the lower lens; including Among the low beams irradiated by the low beam irradiation part, a part is reflected in a region of the reflection part adjacent to the low beam irradiation part and reaches the connection region of the lens part, The connection region is included in the central region C. The automobile lamp according to claim 1.
4. Among the high beams irradiated by the high beam irradiation part, a part reaches the connection region of the lens part, so that the low beam and the high beam are superimposed on each other in the connection region. The automobile lamp according to claim 3.
5. The radius of curvature of the upper lens and the radius of curvature of the lower lens are different from each other. The automobile lamp according to claim 3.
6. A shield provided below the low beam irradiation part and above the high beam irradiation part, and blocking the progress of at least a part of the low beams irradiated by the low beam irradiation part; further included. The automobile lamp according to claim 1.
7. The high beam light source and the rod part are each provided in a plurality, The plurality of high beam light sources and the plurality of rod portions are in one-to-one correspondence with each other. Item 2. An automotive lamp according to item 1.
8. 8. The automatic vehicle according to claim 7, wherein the flashing of the plurality of high beam light sources is controlled independently of each other. Car lamp.
9. A lens portion having an outwardly convex shape and capable of transmitting light; a reflecting portion provided inside the lens portion, having an upward convex shape, and capable of reflecting light; a low beam illuminating unit, at least a portion of which is provided under the reflecting unit, for illuminating a low beam; A high beam irradiation unit provided below the low beam irradiation unit and irradiating a high beam; and A shield is provided below the low beam irradiation unit and above the high beam irradiation unit, and blocks at least a portion of the low beam irradiated by the low beam irradiation unit; A portion of the low beam irradiated by the low beam irradiating portion is reflected by a region of the reflecting portion adjacent to the low beam irradiating portion and reaches a vertical center region C of the lens portion, The automotive lamp further comprises a peripheral portion of the shield, the peripheral portion being formed in a region facing the lens portion with a recessed portion.
10. 1. A motor vehicle including an automotive lamp, comprising: The automotive lamp comprises: a lens portion having an outwardly convex shape and capable of transmitting light; a reflecting portion provided inside the lens portion, having an upward convex shape, and capable of reflecting light; A low beam irradiating section, at least a part of which is provided under the reflecting section and which irradiates a low beam. and a high beam irradiation unit provided below the low beam irradiation unit and irradiating a high beam; Including, A part of the low beam irradiated by the low beam irradiating portion is reflected by the low beam irradiating portion. The light is reflected by an area adjacent to the beam irradiation portion and reaches the vertical center area C of the lens portion, A vehicle in which a portion of the low beam irradiated by the low beam irradiation unit is reflected by a region of the reflecting unit adjacent to the low beam irradiation unit and reaches the central region C of the lens unit, the central region C having a vertical width of 5 mm or more and 7 mm or less.
11. The automotive lamp comprises: The vehicle according to claim 10, provided in a front area of the vehicle.
Citation Information
Patent Citations
Vehicle headlight unit
JP2006156301A