TWI834360B - Vehicle lamp with dipped headlight and full headlight switching device - Google Patents

Abstract

A vehicle lamp with dipped headlight and full headlight switching device is provided. The vehicle lamp includes a heat dissipating device, a LED light source, an electromagnet, a reflection lens, a lens unit, a light shape plate, a driven rod, and an adjusting rod. The LED light source and the electromagnet are disposed on the heat dissipating device. The light shape plate is rotatably disposed above the electromagnet. The driven rod is disposed between the electromagnet and the light shape plate. The electromagnet is configured to move the light shape plate to a first position or a second position through driving the driven rod to change a reflection light of the LED light source and to form a dipped beam and/or a full beam. The adjusting rod is disposed on the heat dissipating device. One end of the adjusting rod abuts on the light shape plate. Another end of the adjusting rod is exposed to the heat dissipating device. Therefore, a position of the light shape plate can be adjusted so that the light shape plate can be fine-tuned to a best position.

Description

Car lights with switching structure for high and low lights

The present invention relates to a vehicle lamp, in particular to a vehicle lamp with a high and low lamp switching structure installed on a vehicle.

Vehicles such as cars or motorcycles are equipped with high beams and low beams. Existing high beams and low beams can use a switching structure to switch between high beam and low beam. The switching structure has a light-shaped plate arranged in front of the light source. The light-shaped plate can be driven by an electromagnet to change the reflected light of the light source to achieve the function of switching between high beam and low beam. However, the light-shaped plate of the existing switching structure can only be switched to a fixed position and cannot be adjusted. If the light-shaped plate is not switched to the correct position, it will affect the angle of the reflected light, which will inevitably affect the irradiation function of the low beam.

The technical problem to be solved by the present invention is to provide a vehicle lamp with a high and low light switching structure in view of the shortcomings of the existing technology, which can adjust the position of the light-shaped plate so that the light-shaped plate can be fine-tuned to the best position and can operate normally. Reflects light and truly plays the role of low beam illumination.

In order to solve the above technical problems, the present invention provides a vehicle lamp with a high and low light switching structure, including: a heat sink; an LED light source, the LED light source is arranged on the heat sink; and an electromagnet, the electromagnet is arranged on the heat sink. On the heat dissipation device; a reflective mirror group, the reflective mirror group is located above the LED light source, the reflective mirror group has a reflective surface; a lens unit, the lens unit is located in front of the reflective mirror group, the light emitted by the LED light source It can be reflected by the reflecting surface of the reflecting mirror group and emitted outward through the lens unit; a light-shaped plate, which is rotatably arranged between the reflecting mirror group and the lens unit. The light-shaped plate can Moving between a first position and a second position, the light-shaped plate has a force-receiving part; a driving rod, the driving rod is disposed between the electromagnet and the light-shaped plate, and the electromagnet can drive the a driving rod to link the light-shaped plate to the first position or the second position to change the reflected light of the LED light source to form a low beam or a high beam; and an adjustment rod, which is provided on the heat dissipation device , one end of the adjusting rod is in contact with the force-receiving part of the light-shaped plate. When the adjusting rod rotates, the adjusting rod can push the force-receiving part, so as to link the rotation of the light-shaped plate through the force-receiving part, and can adjust the light-shaped plate. The position of the light plate is adjusted.

Preferably, the driving rod has a pivot portion, a driving end and a driven end. The driving end and the driven end are connected to both sides of the pivot portion. The pivot portion is pivoted on the heat dissipation device. A pivot shaft, the driving end and the driven end are respectively connected to the electromagnet and the light-shaped plate.

Preferably, the active end can move along a left-right direction, and the driven end can move along a front-rear direction to change the power transmission direction of the electromagnet and the light-shaped plate.

Preferably, the light-shaped plate has a shielding part and a linking part. The linking part is connected to the shielding part. The driving rod is connected to the linking part of the light-shaped plate. The shielding part has a bottom plate and a back plate. The back plate is erected on the edge of the bottom plate, and an included angle is formed between the bottom plate and the back plate. The included angle is greater than 90 degrees, so that the bottom plate and the back plate intersect obliquely, and the height of the back plate is from both sides to the middle. Decreasingly.

Preferably, the electromagnet is disposed at the front end of the heat dissipation device, and the electromagnet is placed horizontally at the front end of the heat dissipation device.

The beneficial effect of the present invention is that the vehicle lamp with a high and low light switching structure provided by the present invention includes a heat dissipation device, an LED light source, an electromagnet, a reflector group, a lens unit, a light shape plate, and a driver. lever and an adjustment lever. The light emitted by the LED light source can be reflected by the reflective surface of the reflector group and emitted outward through the lens unit. The light-shaped plate is rotatably disposed between the reflector group and the lens unit. The light-shaped plate can be in the first position and the second position. To move between the two positions, the driving rod is arranged between the electromagnet and the light-shaped plate. The electromagnet can drive the driving rod to link the light-shaped plate to the first position or the second position to change the reflected light of the LED light source to form a close-up view. light or high beam. The adjusting rod is arranged on the heat dissipation device. One end of the adjusting rod is in contact with the force-receiving part of the light-shaped plate. When the adjusting rod rotates, the adjusting rod can push the force-receiving part to link the rotation of the light-shaped plate through the force-receiving part. Adjust the position of the light-shaped plate so that the light-shaped plate can be fine-tuned to the best position so that it can reflect light normally and truly exert its low-beam illumination function.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and illustration and are not used to limit the present invention.

The following is a specific example to illustrate the disclosed embodiments of the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only simple schematic illustrations and are not depictions based on actual dimensions, as is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the scope of the present invention. In addition, the term "or" used in this article shall include any one or combination of more of the associated listed items depending on the actual situation.

[Example]

Please refer to Figures 1 to 3. The present invention provides a vehicle light with a high and low light switching structure, which can be installed on vehicles such as cars or motorcycles for switching high beam or low beam. It includes a heat dissipation device 1 and an LED. Light source 2, an electromagnet 3, a reflector group 4, a lens unit 5, a light shape plate 6, a driving rod 7 and an adjusting rod 8.

The heat sink 1 is made of a metal material with good thermal conductivity (such as copper or aluminum). The structure of the heat sink 1 is not limited. The LED light source 2 is disposed on the heat sink 1. In this embodiment, the The heat dissipation device 1 has a bearing surface 11 (as shown in Figure 4). The LED light source 2 is disposed on the bearing surface 11. The LED light source 2 can emit light upward, and the high temperature generated by the LED light source 2 can be transmitted to the heat dissipation device 1. , in order to use the heat dissipation device 1 to assist in heat dissipation.

The electromagnet 3 is disposed on the heat dissipation device 1. The electromagnet 3 can be disposed at the front end of the heat dissipation device 1. The electromagnet 3 can have an action rod 31 for outputting power. The bottom of the electromagnet 3 can also be provided with a Zener diode 32 and a connector 33. The Zener diode 32 is electrically connected between the electromagnet 3 and the connector 33. The Zener diode 32 can The connector 33 provides a stable voltage function, and can be used to input power, so that the power can be transmitted to the electromagnet 3 through the Zener diode 32 to control the operation of the electromagnet 3 .

The reflector group 4 is located above the LED light source 2 . The reflector group 4 has a reflective surface 41 (as shown in FIG. 6 ), and the reflective surface 41 is located inside the reflector group 4 . The lens unit 5 is located in front of the reflecting mirror group 4 , and the reflecting mirror group 4 and the lens unit 5 can be disposed on the heat dissipation device 1 . The light emitted by the LED light source 2 can be reflected by the reflecting surface 41 of the reflecting mirror group 4 and then emitted outward through the lens unit 5 .

The light-shaped plate 6 is rotatably disposed between the reflector group 4 and the lens unit 5 . The light-shaped plate 6 can be pivoted on the heat dissipation device 1 with a rotating shaft 61 . The light-shaped plate 6 can be located on the side of the electromagnet 3 above. The light-shaped plate 6 can move between a first position A and a second position B (as shown in Figures 9 and 10). The light-shaped plate 6 has a shielding part 62 and a linking part 63. The linking part 63 is connected to the shielding part 62. An elastic element 64 can be mounted on the rotating shaft 61 (as shown in FIGS. 4 and 5 ). Both ends of the elastic element 64 respectively resist the heat sink 1 and the light-shaped plate 6 to provide elastic force for the light-shaped plate 6 to reset. , moving the light-shaped plate 6 to the first position A. Preferably, the shielding part 62 has a bottom plate 621 and a back plate 622. The back plate 622 can be an arc-shaped plate. The back plate 622 is erected on the edge of the bottom plate 621. A gap is formed between the bottom plate 621 and the back plate 622. An included angle θ (as shown in Figure 9 and Figure 10), the included angle θ is greater than 90 degrees, the included angle θ is 95 degrees to 150 degrees, the included angle θ can be 95 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees , 140 degrees or 150 degrees, etc. The included angle θ is an obtuse angle, so that the bottom plate 621 and the back plate 622 intersect obliquely, so that a better angle is formed between the bottom plate 621 and the back plate 622, and the height of the back plate 622 decreases from both sides toward the middle, which can present a better angle. Best light shape.

The driving rod 7 is disposed between the electromagnet 3 and the light-shaped plate 6. The electromagnet 3 can drive the driving rod 7 to link the light-shaped plate 6 to the first position A (as shown in Figure 9) or the second position B ( As shown in Figure 10), the reflected light of the LED light source 2 is changed to form low beam or high beam. Specifically, the electromagnet 3 can drive the driving rod 7 to move the light-shaped plate 6 upward to the first position A. At this time, the shielding portion 62 of the light-shaped plate 6 rises to block the light and form a low beam. The electromagnet 3 can drive the driving rod 7 to lower the light-shaped plate 6 to the second position B. At this time, the shielding portion 62 of the light-shaped plate 6 will not block the light when it is lowered, and will form a high beam.

Preferably, the driving rod 7 has a pivot portion 71, a driving end 72 and a driven end 73 (as shown in Figure 3). The driving end 72 and the driven end 73 are connected to both sides of the pivot portion 71. On the other hand, the pivot portion 71 is pivoted on a pivot 12 of the heat dissipation device 1 so that the driving rod 7 is rotatably disposed on the heat dissipation device 1. The active end 72 and the driven end 73 are respectively connected to the electromagnet 3 and the light. Shaped plate 6, that is, the active end 72 can be connected to the operating rod 31 of the electromagnet 3, and the driven end 73 can be connected to the linking portion 63 of the light-shaped plate 6. In this embodiment, the active end 72 resists the electromagnet 3 of the action lever 31, the driven end 73 contacts the linking portion 63 of the light-shaped plate 6, which can make assembly simple and easy, and form a better transmission structure.

When the electromagnet 3 is activated, the operating rod 31 can drive the light-shaped plate 6 through the driving rod 7 so that the light-shaped plate 6 is located at the first position A or the second position B. Preferably, the active end 72 can move along a left-right direction C (as shown in FIG. 4 ), and the driven end 73 can move along a front-rear direction D, that is, the active end 72 can be moved by the electromagnet 3 The operating rod 31 is pushed to move along the left-right direction C, and the driven end 73 can move along the front-rear direction D to push the linking portion 63 of the light-shaped plate 6 so that the operating rod 31 of the electromagnet 3 can be driven by the driving rod 7 The light-shaped plate 6 moves and can change the power transmission direction of the electromagnet 3 and the light-shaped plate 6, making the configuration of the electromagnet 3 and the light-shaped plate 6 more flexible, and allowing the electromagnet 3 to be placed horizontally for heat dissipation. The front end of the device 1 can save the occupied space and reduce the overall height.

When the light pattern plate 6 is in the first position A, the light emitted by the LED light source 2 is blocked when reflected by the reflective surface 41 of the reflector group 4 (as shown in FIG. 9 ), thereby producing a low beam light pattern. When the light-shape plate 6 is in the second position B (as shown in FIG. 10 ), the light emitted by the LED light source 2 is not blocked when reflected by the reflective surface 41 of the reflector group 4 , and can produce a high-beam light shape. Since it is an existing technology to use the light-shaped plate 6 to change the reflected light of the light source to achieve the function of switching the high beam and the low beam, it will not be described again.

Please refer to Figures 6 to 8. The adjustment rod 8 is disposed on the heat sink 1. The adjustment rod 8 can pass through the heat sink 1. One end of the adjustment rod 8 is in contact with the light-shaped plate 6, and the other end of the adjustment rod 8 is in contact with the light-shaped plate 6. One end can be exposed to the heat dissipation device 1 for easy rotation and adjustment of the adjusting lever 8 . In this embodiment, the adjusting rod 8 can be a screw. The adjusting rod 8 can be screwed to the heat sink 1. The adjusting rod 8 can be screwed to a screw hole 13 of the heat sink 1 (as shown in Figure 6). Preferably, the adjusting rod 8 is located near the top of one side of the heat dissipation device 1 . The adjustment rod 8 can be arranged horizontally, but this is not limited. The angle at which the adjustment rod 8 is arranged can also be appropriately changed. The light-shaped plate 6 has a force-receiving portion 65 , which can be disposed on one side of the shielding portion 62 . One end of the adjustment rod 8 is in contact with the force-receiving portion 65 of the light-shaped plate 6 . When the adjusting rod 8 rotates, one end of the adjusting rod 8 can push the force-receiving portion 65 to rotate the light-shaped plate 6 through the force-receiving portion 65 , so that the position of the light-shaped plate 6 can be adjusted so that the light-shaped plate 6 can Fine-tune to the best position.

[Beneficial effects of the embodiment]

The beneficial effect of the present invention is that the vehicle lamp with a high and low light switching structure provided by the present invention includes a heat dissipation device, an LED light source, an electromagnet, a reflector group, a lens unit, a light shape plate, and a driver. lever and an adjustment lever. The light emitted by the LED light source can be reflected by the reflective surface of the reflector group and emitted outward through the lens unit. The light-shaped plate is rotatably disposed between the reflector group and the lens unit. The light-shaped plate can be in the first position and the second position. To move between the two positions, the driving rod is arranged between the electromagnet and the light-shaped plate. The electromagnet can drive the driving rod to link the light-shaped plate to the first position or the second position to change the reflected light of the LED light source to form a close-up view. light or high beam. The adjusting rod is arranged on the heat dissipation device. One end of the adjusting rod is in contact with the force-receiving part of the light-shaped plate. When the adjusting rod rotates, the adjusting rod can push the force-receiving part to link the rotation of the light-shaped plate through the force-receiving part. Adjust the position of the light-shaped plate so that the light-shaped plate can be fine-tuned to the best position so that it can reflect light normally and truly exert its low-beam illumination function.

The contents disclosed above are only preferred and feasible embodiments of the present invention, and do not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1: Cooling device 11: Bearing surface 12:Pivot 13:Screw hole 2:LED light source 3:Electromagnet 31:Action lever 32:Zener diode 33:Connector 4: Reflector group 41: Reflective surface 5: Lens unit 6:Light shaped board 61:Rotating axis 62: Covering part 621: Base plate 622:Rear panel θ: included angle 63: Interaction Department 64: Elastic element 65: Force receiving part 7:Driving rod 71: Pivot joint 72:Active end 73: driven end 8:Adjustment lever A:First position B:Second position C: left and right direction D: forward and backward direction

Figure 1 is a perspective view of a vehicle lamp with a high and low lamp switching structure according to the present invention.

Figure 2 is a perspective view of a vehicle lamp with a high and low lamp switching structure according to the present invention from another angle.

Figure 3 is an exploded perspective view of a vehicle lamp with a high and low lamp switching structure according to the present invention.

Figure 4 is a perspective view of the internal structure of a vehicle lamp with a high and low lamp switching structure according to the present invention.

Figure 5 is a perspective view of the internal structure of a vehicle lamp with a high and low lamp switching structure according to the present invention from another angle.

Fig. 6 is a cross-sectional view taken along line VI-VI in Fig. 1 .

Figure 7 is a perspective view of the partial structure of a vehicle lamp with a high and low lamp switching structure according to the present invention.

8 is a perspective view of the partial structure of a vehicle lamp with a high and low lamp switching structure according to the present invention from another angle.

Figure 9 is a cross-sectional view taken along line IX-IX in Figure 1.

Figure 10 is a cross-sectional view of Figure 9 in another state.

1: Cooling device

11: Bearing surface

12:Pivot

2:LED light source

3:Electromagnet

31:Action lever

32:Zener diode

33: Connector

4: Reflector group

5: Lens unit

6:Light shaped board

61:Rotating axis

62: Covering part

621: Base plate

622:Rear panel

63: Interaction Department

64: Elastic element

65: Force receiving part

7:Driving rod

71: Pivot joint

72:Active end

73: driven end

8:Adjustment lever

Claims (9)

A car lamp with a switching structure for high and low lights, including: a heat dissipation device; an LED light source, the LED light source is arranged on the heat dissipation device; an electromagnet, the electromagnet is arranged on the heat dissipation device; a reflector group, the The reflective mirror group is located above the LED light source. The reflective mirror group has a reflective surface; a lens unit is located in front of the reflective mirror group. The light emitted by the LED light source can be reflected by the reflective surface of the reflective mirror group. , and emit outward through the lens unit; a light-shaped plate, the light-shaped plate is rotatably arranged between the reflector group and the lens unit, the light-shaped plate can be in a first position and a second position The light-shaped plate has a force-receiving part and a driving rod. The driving rod is disposed between the electromagnet and the light-shaped plate. The electromagnet can drive the driving rod to link the light-shaped plate to the position of the light-shaped plate. The first position or the second position is used to change the reflected light of the LED light source to form low beam or high beam; and an adjustment rod, the adjustment rod is provided on the heat dissipation device, and one end of the adjustment rod is in contact with the The force-receiving part of the light-shaped plate, the other end of the adjusting rod is exposed to the heat dissipation device. When the adjusting rod rotates, the adjusting rod can push the force-receiving part to link the light-shaped plate to rotate through the force-receiving part, and The position of the light-shaped plate can be adjusted. The vehicle lamp with a high and low light switching structure as claimed in claim 1, wherein the driving rod has a pivot part, a driving end and a driven end, and the driving end and the driven end are connected to the pivot part. On both sides, the pivot portion is pivoted on a pivot shaft of the heat dissipation device, and the active end and the driven end are respectively connected to the electromagnet and the light-shaped plate. The vehicle lamp with a high and low lamp switching structure as described in claim 2, wherein the active end The driven end can move along a left-right direction, and the driven end can move along a front-back direction to change the power transmission direction of the electromagnet and the light-shaped plate. The vehicle lamp with a high and low light switching structure as described in claim 2, wherein the electromagnet has an action rod, the light-shaped plate has a shielding part and a linkage part, the linkage part is connected to the shielding part, and the force-bearing part The active end is connected to the operating rod of the electromagnet, and the driven end is connected to the linking portion of the light-shaped plate. When the electromagnet is activated, the operating rod can pass through the driving rod. Drive the light-shaped plate to move. The vehicle lamp with a high and low light switching structure as claimed in claim 4, wherein the active end resists the action rod of the electromagnet, and the driven end resists the linking portion of the light-shaped plate. The vehicle lamp with a high and low light switching structure as claimed in claim 1, wherein the light-shaped plate has a shielding part and a linkage part, the linkage part is connected to the shielding part, and the driving rod is connected to the linkage of the light-shaped plate. The shielding part has a bottom plate and a back plate. The back plate is an arc-shaped plate. The back plate is erected on the edge of the bottom plate. An included angle is formed between the bottom plate and the back plate. The included angle is greater than 90 degrees. , so that the bottom plate and the back plate intersect obliquely, and the height of the back plate decreases from both sides toward the middle. The vehicle lamp with a high and low light switching structure as claimed in claim 1, wherein the electromagnet is disposed at the front end of the heat dissipation device, and the electromagnet is placed horizontally at the front end of the heat dissipation device. The vehicle lamp with a high and low light switching structure as described in claim 1, wherein the light-shaped plate is pivoted on the heat sink with a rotating shaft, the light-shaped plate is located above the electromagnet, the heat sink and the light-shaped plate An elastic element is disposed between the plates to provide elasticity for the light-shaped plate to return to the first position. The vehicle lamp with a high and low light switching structure as claimed in claim 1, wherein the adjusting rod is an adjusting screw, and the adjusting rod is screwed to the heat dissipation device.

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