Lighting device for vehicle

Abstract

The invention provides a lighting device for a vehicle. A monitoring device and a light source can be arranged in the same space without being affected by heat to cause faults. A vehicle lighting device includes: a housing in which a light source is housed; and a lens part covering the housing from the outside of the vehicle to be combined with the housing and forming a lamp chamber enclosed by a sealing part, in which the light source is provided in the lamp chamber, and a monitoring device is provided at a position on the rear surface of the lens part on the outside of the lamp chamber.

Description

Technical Field

[0001] The present invention relates to a lighting device for a vehicle. Background Art

[0002] In order to enable vulnerable groups such as the elderly, the disabled, and children to use a sustainable transportation system, research and development of autonomous driving technology is being carried out, and a transportation vehicle with better vehicle safety and convenience is provided. In autonomous driving technology, it is important how to arrange sensors such as radar and lidar. In particular, when a device such as a radar is arranged in the same space as the headlight in front of the vehicle, it often malfunctions due to the influence of the heat generated by the light source. The present invention aims to improve the safety of autonomous driving technology in order to solve the above problems, and further contributes to the development of a sustainable transportation system. Summary of the Invention

[0003] The present invention is a lighting device for a vehicle, which can arrange a monitoring device and a light source in the same space without being affected by heat and causing a malfunction.

[0004] The lighting device for a vehicle of the present invention includes a housing that houses a light source; and a lens unit that covers the housing from the outside of the vehicle to be combined with the housing, and forms a lamp chamber surrounded by a sealing portion, wherein the light source is arranged in the lamp chamber, and a monitoring device is arranged outside the lamp chamber and at a position on the back surface of the lens unit.

[0005] In an embodiment of the present invention, the monitoring device is arranged in a monitoring device chamber surrounded by the sealing portion.

[0006] In an embodiment of the present invention, the monitoring device is arranged at a position outside the area surrounded by the sealing portion.

[0007] In an embodiment of the present invention, the monitoring device is supported by an extension portion extending from the housing.

[0008] In an embodiment of the present invention, the lens unit has a transparent first portion and an opaque second portion, and the monitoring device is arranged at a position on the back surface of the second portion in the lens unit.

[0009] Based on the above, in the lighting device for a vehicle of the present invention, the monitoring device is arranged at a position outside the lamp chamber and on the back surface of the lens unit. In this way, the monitoring device is separated from the light source as a heat source and is not affected by heat. Accordingly, the lighting device for a vehicle of the present invention can arrange the monitoring device and the light source in the same space without being affected by heat and causing a malfunction.

[0010] In order to make the above features and advantages of the present invention more obvious and understandable, specific embodiments are given below and will be described in detail in conjunction with the accompanying drawings as follows. Brief Description of the Drawings

[0011] Figure 1 It is a perspective view of a vehicle lighting device according to an embodiment of the present invention.

[0012] Figure 2 is Figure 1 The upper view of the vehicle lighting device in along the A-A section line.

[0013] Figure 3 is Figure 1 The side view of the vehicle lighting device in along the B-B section line.

[0014] Figure 4 is Figure 3 The schematic diagram of a modified embodiment of the vehicle lighting device of .

[0015] Description of reference numerals

[0016] 100, 100’: Vehicle lighting device;

[0017] 110, 110’: Housing;

[0018] 112: Extension part;

[0019] 120: Light source;

[0020] 130, 130’: Lens part;

[0021] 132, 132’: First part;

[0022] 134, 134’: Second part;

[0023] 140: Monitoring device;

[0024] C: Connector;

[0025] O: Opening;

[0026] P: Partition;

[0027] R1: Lamp chamber;

[0028] R2: Monitoring device chamber;

[0029] S: Sealing part;

[0030] VI: Inside of the vehicle;

[0031] VO: Outside of the vehicle. Detailed implementation mode

[0032] Figure 1 It is a perspective view of a vehicle lighting device according to an embodiment of the present invention. Figure 2 is Figure 1 The upper view of the vehicle lighting device in along the A-A section line.Figure 3 Yes Figure 1 The following is a schematic side view of the vehicle lighting device along the B-B section line. In this embodiment, the vehicle lighting device 100 is, for example, a headlight installed on the front side of the vehicle to illuminate the road conditions, but the present invention is not limited thereto, and it may also be other similar devices. The vehicle inner side VI and the vehicle outer side VO in the drawings do not limit the positional relationship of the components in the present invention, and the vehicle inner side VI and the vehicle outer side VO are relative and not defined by the actual range. The following will describe the specific structure of the vehicle lighting device in this embodiment in conjunction with Figures 1 to 3 to illustrate the specific structure of the vehicle lighting device in this embodiment.

[0033] Please refer to Figures 1 to 3 , in this embodiment, the vehicle lighting device 100 includes a housing 110, a light source 120, and a lens unit 130. The housing 110 houses the light source 120, and the lens unit 130 covers the housing 110 from the vehicle outer side VO to be combined with the housing 110. Therefore, the light source 120 is disposed in the space formed after the combination of the housing 110 and the lens unit 130. Moreover, the lens unit 130 and the housing 110 are joined by a sealing portion S, and the sealing portion S is disposed substantially along the outer peripheral edge, but the present invention is not limited thereto. Furthermore, as shown in Figure 2 and Figure 3 , a lamp chamber R1 surrounded by the sealing portion S is formed, and the light source 120 is disposed in the lamp chamber R1. More specifically, the lens unit 130 has a partition P protruding toward the vehicle inner side VI, and the partition P is joined to the sealing portion S to surround the space between the housing 110 and the lens unit 130 to form the lamp chamber R1, but other methods may also be used to form the lamp chamber R1. The lens unit 130 has a transparent first portion 132 and an opaque second portion 134, and the first portion 132 and the second portion 134 are integrally formed. A monitoring device 140 is disposed at a position on the back of the second portion 134 in the vehicle inner side VI of the lens unit 130 and outside the lamp chamber R1, so that the monitoring device 140 is disposed separately from the light source 120. Among them, the monitoring device 140 is, for example, a radar, but it may also be other vehicle sensors, and the present invention is not limited thereto; the second portion 134 is not limited to being opaque, and it may also be transparent or translucent.

[0034] It can be seen therefrom that in the vehicle lighting device 100 of this embodiment, the monitoring device 140 is disposed outside the lamp chamber R1 and corresponds to the position of the opaque second portion 134. In this way, the monitoring device 140 is separated from the light source 120 as a heat source and is not affected by heat, and the opaque second portion 134 can also block the monitoring device 140 to maintain the beauty of the vehicle. Accordingly, the vehicle lighting device 100 of this embodiment can dispose the monitoring device 140 and the light source 120 in the same space without being affected by heat and causing malfunctions.

[0035] Furthermore, in the present embodiment, the monitoring device 140 is disposed in the monitoring device chamber R2 surrounded by the sealing portion S. Similar to the principle of forming the lamp chamber R1, the partition P on the lens portion 130 is combined with the sealing portion S to surround the space between the housing 110 and the lens portion 130 to form the monitoring device chamber R2, but other methods may also be used to form the monitoring device chamber R2. The monitoring device chamber R2 corresponds to the second portion 134 of the lens portion 130, that is, the opaque portion, and is formed as a relatively enclosed space. Therefore, the monitoring device 140 is less likely to be contaminated by dirt such as water, snow, or dust, which may affect its operation. In other embodiments not shown, the monitoring device 140 does not necessarily need to be disposed on the housing 110, and may also be directly disposed on the vehicle body member, as long as it can be covered by the lens portion 130.

[0036] Figure 4 is Figure 3 Schematic diagram of a modified embodiment of a vehicle lighting device. In this modified example, the difference in the vehicle lighting device 100' is that it is formed as an open structure, and the following will further explain the differences. The same reference numerals are used in the drawings and the description to represent the same or similar parts as the vehicle lighting device 100, and will not be described again here.

[0037] Please refer to Figure 4 , in this modified example, the monitoring device 140 is disposed at a position outside the surrounding of the sealing portion S. Specifically, the lower end of the housing 110' and the second portion 134' of the lens portion 130' of the vehicle lighting device 100' are formed as open at the original position of the monitoring device chamber R2, that is, the lower end is not sealed by the sealing portion S and is formed as a structure with an opening O. Furthermore, the monitoring device 140 is supported on the extension portion 112 extending from the housing 110' and is also provided with a connector C. The wiring of the connector C is connected to a device (not shown) inside the vehicle VI through the lower opening O. In this way, the heat generated by the monitoring device 140 can be dissipated, and the space for the connector C and the wiring can be ensured by the setting of the opening O. Although not shown, the lamp chamber R1 formed by the first portion 132' of the housing 110' and the lens portion 130' is still formed as a sealed space by the sealing portion S. Therefore, the monitoring device 140 in this modified example can also isolate the heat from the light source 120 and avoid being affected by the heat. The position of the opening O can be on the left and right sides (that is, the direction perpendicular to the drawing plane) in addition to the lower end, as long as it is convenient for heat dissipation and wiring, and the present invention does not limit this. In other embodiments not shown, the monitoring device 140 does not necessarily need to be disposed on the housing 110', and may also be directly disposed on the vehicle body member (not shown), as long as it can be covered by the lens portion 130'.

[0038] In summary, in the vehicle lighting device of the present invention, the monitoring device is disposed outside the lamp chamber and at a position corresponding to the opaque second portion. In this way, the monitoring device is separated from the light source as the heat source and is not affected by heat, and the opaque second portion can also shield the monitoring device to maintain the aesthetics of the vehicle. Preferably, the monitoring device can also be disposed in the monitoring device chamber to prevent the heat source and foreign objects from entering and affecting the operation. Accordingly, the vehicle lighting device of the present invention can dispose the monitoring device and the light source in the same space without being affected by heat and causing malfunctions.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lighting device for a vehicle, characterized in that, Comprising: A housing that houses a light source; And A lens unit that covers the housing from the outside of the vehicle to be combined with the housing, and forms a lamp chamber surrounded by a sealing portion, wherein The light source is disposed in the lamp chamber, A monitoring device is disposed outside the lamp chamber and at a position on the back surface of the lens unit.

2. The vehicle lighting device according to claim 1, wherein The monitoring device is disposed in a monitoring device chamber surrounded by the sealing portion.

3. The vehicle lighting device according to claim 1, wherein The monitoring device is disposed at a position outside the periphery of the sealing portion.

4. The vehicle lighting device according to claim 1, wherein The monitoring device is supported by an extension portion extending from the housing.

5. The vehicle lighting device according to any one of claims 1 to 4, wherein The lens unit has a transparent first portion and an opaque second portion, The monitoring device is disposed at a position on the back surface of the second portion in the lens unit.

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