TWI829410B - 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, and a light shape plate. 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 electromagnet includes a driven rod that 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 driven rod can have a L shape and includes a vertical section and a horizontal section. The horizontal section is connected to a linkage part of the light shape plate. The electromagnet further includes a conical spring and a spring baffle. The spring baffle is fixed on the vertical section, and the conical spring passes through the vertical section and is located between the spring baffle and a shell of the electromagnet. Therefore, a better balance effect can be achieved, so that the driving rod can move up and down smoothly, and can avoid from jamming.

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, after the electromagnet of the existing switching structure is used for a period of time, its return spring is prone to deflection, resulting in poor balance and jamming, making the switching structure unable to operate normally.

The technical problem to be solved by the present invention is to provide a vehicle lamp with a high and low lamp switching structure in view of the shortcomings of the existing technology, which can have a better balancing effect and enable the driving rod to move up and down smoothly to avoid jamming.

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, the electromagnet has a driving rod and a shell. The driving rod extends out of the housing. The driving rod has a vertical section and a horizontal section. The vertical section is set upright. The horizontal section is set horizontally. One end of the horizontal section is connected to the upper end of the vertical section. The electromagnet also has A conical spring and a spring baffle. The spring baffle is fixed to the vertical section. The conical spring increases in diameter from top to bottom. The conical spring is sleeved on the vertical section and is located between the spring baffle and the housing. between; a reflector group, the reflector group is located above the LED light source, the reflector group has a reflective surface; a lens unit, the lens unit is located in front of the reflector group, the light emitted by the LED light source can Reflected by the reflecting surface of the reflector group, and emitted outward through the lens unit; and a light-shaped plate, the light-shaped plate has a shielding part and a linkage part, the linkage part is connected to the shielding part, the linkage part There is a through hole, and the horizontal section of the driving rod is inserted into the through hole of the linkage part, so that the driving rod of the electromagnet is connected to the light-shaped plate, and the light-shaped plate is rotatably arranged on the reflector group and the lens. Between units, the light-shaped plate can move between a first position and a second position, and the driving rod of the electromagnet can drive the light-shaped plate to be in the first position or the second position to change the LED The light source reflects light to form low beam or high beam.

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 and a light shape plate. The LED light source and the electromagnet are installed on the heat dissipation device. The driving rod of the electromagnet has a vertical section and a horizontal section. The electromagnet also has a conical spring and a spring baffle. The spring baffle is fixed on the vertical section. The conical The diameter of the spring increases from top to bottom, and the conical spring is sleeved in the vertical section and located between the spring baffle and the shell. 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 has a shielding part and a linking part. The linking part has a through hole. The horizontal section of the driving rod is inserted into the through hole of the linking part so that the driving rod of the electromagnet is connected to the light-shaped plate. The light-shaped plate is rotatable. Disposed between the reflector group and the lens unit, the driving rod of the electromagnet can drive the light-shaped plate to the first position or the second position to change the reflected light of the LED light source to form low beam or high beam. The electromagnet is equipped with a conical spring that supports the drive rod and can provide The function of dynamic balancing can have a better balancing effect, so that the driving rod can move up and down smoothly to avoid jamming, so that the switching structure can maintain normal operation.

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.

1: Cooling device

11: Bearing surface

12: Accepting hole

13: Accommodation tank

14: Open your mouth

15: Incline

2:LED light source

3:Electromagnet

31:Driving rod

311: vertical segment

312: Horizontal section

32:Conical spring

33: Spring baffle

34: Shell

35: Movable iron core

36: coil

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

631:Perforation

64: Elastic element

641: first end

642:Second end

65:First bearing

66:Second bearing

661: Positioning Department

A:First position

B:Second position

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

Figure 6 is an exploded perspective view of the rotating shaft structure of the present invention.

FIG. 7 is a cross-sectional view taken along line VII-VII of FIG. 5 .

Figure 8 is a perspective view of the electromagnet and light-shaped plate of the present invention.

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

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

The following is a description of the relevant implementation modes disclosed in the present invention through specific specific examples. 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. Various details in this specification can also be modified and modified based on different viewpoints and applications without departing from the concept of the present invention. change. 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 and a light-shaping plate 6.

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 arranged on the heat dissipation device 1. The electromagnet 3 can be arranged at the front end of the heat dissipation device 1. The electromagnet 3 is arranged upright. The electromagnet 3 has a driving rod 31 and a shell 34. The driving rod 31 Extending out of the housing 34, the drive rod 31 can be used to output power. The driving rod 31 of the electromagnet 3 can be connected to the light-shaped plate 6, and the electromagnet 3 can drive the driving rod 31 to move the light-shaped plate 6 to the first position A or the second position B (as shown in Figures 9 and 10 (shown) to change the reflected light of the LED light source 2 to form high beam or low beam. The driving rod 31 is L-shaped and has a vertical section 311 and a horizontal section 312. The vertical section 311 is set upright, and the horizontal section 312 is set horizontally. One end of the horizontal section 312 is connected to the upper end of the vertical section 311, and the horizontal section 312 can Used to connect to the light-shaped plate 6.

The electromagnet 3 also has a conical spring 32 and a spring baffle 33. The spring baffle 33 is fixed on the vertical section 311. The spring baffle 33 can be a circular plate. The conical spring 32 moves from top to bottom. The diameter increases gradually to form a cone-shaped body. The cone-shaped spring 32 is sleeved on the vertical section 311 and is located between the spring baffle 33 and the outside. Between the shells 34 , the upper end and lower end of the conical spring 32 can respectively resist the spring baffle 33 and the outer shell 34 , and the conical spring 32 can apply a restoring force to the driving rod 31 to move upward.

The lower end of the driving rod 31 can be connected to a movable iron core 35 (as shown in Figures 9 and 10), and a coil 36 can be provided outside the movable iron core 35. When the coil 36 is energized to generate excitation, the movable iron The core 35 moves due to the influence of the magnetic circuit, so as to drive the driving rod 31 to move. Since the movable iron core 35 and the coil 36 of the electromagnet 3 are conventional technologies, they will not be described in detail.

The reflector group 4 is located above the LED light source 2 . The reflector group 4 has a reflective surface 41 (as shown in FIGS. 9 and 10 ). 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 the first position A and the second position B (as shown in Figures 9 and 10). The light-shaped plate 6 has a shielding part 62 and a linkage part 63 (as shown in FIGS. 3 and 8 ), and the linkage 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. In this embodiment, the rotating shaft 61 is arranged horizontally, the rotating shaft 61 is parallel to the horizontal section 312 of the driving rod 31 , and the rotating shaft 61 is located above the housing 34 of the electromagnet 3 . The rotating shaft 61 is located on the driving rod 31 of the electromagnet 3 in front, so that an optimal configuration is formed between the electromagnet 3 and the rotating shaft 61, which can save the occupied space.

Preferably, the shielding part 62 has a bottom plate 621 and a rear plate 622 (as shown in Figures 3 and 8). The rear plate 622 can be an arc-shaped plate, and the rear plate 622 is erected on the edge of the bottom plate 621. , base plate 621 and the back plate 622 can form an included angle θ (as shown in Figures 9 and 10). The included angle θ is greater than 90 degrees. The included angle θ can be 95 degrees to 150 degrees. The included angle θ can be 95 degrees or 100 degrees. 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 rear plate 622 intersect obliquely, so that a better angle is formed between the bottom plate 621 and the rear plate 622 .

In this embodiment, the light-shaped plate 6 is pivoted on the heat dissipation device 1 with a rotating shaft 61. The rotating shaft 61 is made of a material with relatively high hardness such as steel. A first bearing is set at each end of the rotating shaft 61. 65 and a second bearing 66 (as shown in Figures 6 and 7). The first bearing 65 and the second bearing 66 are made of materials with lower hardness such as copper. The first bearing 65 is disposed corresponding to the heat dissipation device 1. In a receiving hole 12, a second bearing 66 is arranged outside the receiving hole 12 of the heat dissipation device 1. The first bearing 65 and the second bearing 66 conflict with each other. The first bearing 65, the second bearing 66 and the rotating shaft 61 can also be arranged. Moisturize the material so that the rotation of the rotating shaft 61 can be smoother. The elastic element 64 can be sleeved outside the second bearing 66 . The second bearing 66 can be disposed on one side of the light-shaped plate 6. One end of the second bearing 66 can form a positioning portion 661. The positioning portion 661 can resist the outside of the light-shaped plate 6 to block the limit. The light-shaped plate 6 is located.

In this embodiment, the elastic element 64 is a torsion spring. The elastic element 64 has a first end 641 and a second end 642. The first end 641 and the second end 642 respectively resist the heat dissipation device. 1 and light-shaped plate 6. Preferably, the heat dissipation device 1 is provided with an accommodating groove 13 corresponding to the first end 641 (as shown in FIGS. 6 and 7 ), and the first end 641 can be disposed in the accommodating groove 13 . An opening 14 is provided on one side of the groove 13 , and the opening 14 is connected with the accommodating groove 13 . The first end 641 can be disposed in the accommodating groove 13 through the opening 14 . Preferably, the accommodating groove 13 and the opening 14 are perpendicular to each other, so that the first end 641 can be positioned in the accommodating groove 13 more stably. Preferably, the inclined surfaces 15 are formed on both sides of the accommodating groove 13 and the opening 14, and the inclined surfaces 15 on both sides of the accommodating groove 13 and the opening 14 can be in mirror correspondence. Inclined surfaces 15 are formed on both sides of the accommodating groove 13 and the opening 14 , so that the cross sections of the accommodating groove 13 and the opening 14 are tapered downwards, so that the first end 641 can stably fit into the accommodating groove 13 and the opening 14 . The opening 14 has a better anti-shake effect.

The linkage part 63 is connected to the bottom plate 621 of the shielding part 62 (as shown in FIG. 8 ). The linkage part 63 can be located in the middle or near the middle of the bottom of the bottom plate 621 of the shielding part 62 . The linkage part 63 has a through hole 631 . The horizontal section 312 of the driving rod 31 is inserted into the through hole 631 of the linking portion 63, so that the driving rod 31 of the electromagnet 3 is connected to the light-shaped plate 6, which makes assembly simple and easy, and forms a better transmission structure.

The driving rod 31 of the electromagnet 3 can drive 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) to change the reflected light of the LED light source 2, and Form low beam or high beam. Specifically, the driving rod 31 of the electromagnet 3 can drive the light-shaped plate 6 to rise to the first position A. When the light-shaped plate 6 is in the first position A, the light emitted by the LED light source 2 passes through the reflecting mirror group. The reflective surface 41 of 4 is blocked when reflected (as shown in Figure 9), which can produce a low beam light shape. The driving rod 31 of the electromagnet 3 can drive the light-shaped plate 6 to descend to the second position B. When the light-shaped plate 6 is in the second position B (as shown in Figure 10), the light emitted by the LED light source 2 passes through The reflecting surface 41 of the reflecting mirror group 4 is not blocked during reflection, and can produce the light shape of high beam.

[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 and a light shape plate. The LED light source and the electromagnet are installed on the heat dissipation device. The driving rod of the electromagnet has a vertical section and a horizontal section. The electromagnet also has a conical spring and a spring baffle. The spring baffle is fixed on the vertical section. The conical The diameter of the spring increases from top to bottom, and the conical spring is sleeved in the vertical section and located between the spring baffle and the shell. 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 has a shielding part and a linking part. The linking part has a through hole. The horizontal section of the driving rod is inserted into the through hole of the linking part so that the driving rod of the electromagnet is connected to the light-shaped plate. The light-shaped plate is rotatable. Disposed between the reflector group and the lens unit, the driving rod of the electromagnet can drive the light-shaped plate to the first position or the second position to change the reflected light of the LED light source to form low beam or high beam. The electromagnet is equipped with a conical spring that supports the drive rod and can provide The function of dynamic balancing can have a better balancing effect, so that the driving rod can move up and down smoothly to avoid jamming, so that the switching structure can maintain normal operation.

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

2:LED light source

3:Electromagnet

31:Driving rod

311: vertical segment

312: Horizontal section

32:Conical spring

33: Spring baffle

34: Shell

4: Reflector group

5: Lens unit

6:Light shaped board

61:Rotating axis

62: Covering part

621: Base plate

622:Rear panel

64: Elastic element

Claims (9)

A car lamp with a high and low light switching structure, including: a heat dissipation device; an LED light source, the LED light source is set on the heat dissipation device; an electromagnet, the electromagnet is set on the heat dissipation device, the electromagnet has a drive Rod and a housing, the driving rod extends out of the housing, the driving rod has a vertical section and a horizontal section, the vertical section is set upright, the horizontal section is set horizontally, one end of the horizontal section is connected to the upper end of the vertical section, The electromagnet also has a conical spring and a spring baffle. The spring baffle is fixed on the vertical section. The conical spring increases in diameter from top to bottom. The conical spring is sleeved on the vertical section and is located on the spring. Between the baffle and the housing; a reflector group, the reflector group is located above the LED light source, the reflector group has a reflective surface; a lens unit, the lens unit is located in front of the reflector group, the LED The light emitted by the light source can be reflected by the reflective surface of the reflector group and emitted outward through the lens unit; and a light-shaped plate, the light-shaped plate has a shielding part and a linkage part, the linkage part is connected to the shielding part part, the linkage part has a perforation, and the horizontal section of the driving rod is inserted into the perforation of the linkage part, so that the driving rod of the electromagnet is connected to the light-shaped plate, and the light-shaped plate is rotatably arranged on the reflection Between the lens group and the lens unit, the light-shaped plate can move between a first position and a second position, and the driving rod of the electromagnet can drive the light-shaped plate to be in the first position or the second position. , to change the reflected light of the LED light source to form low beam or high beam; wherein the shielding part has a bottom plate and a back plate, the back plate is an arc-shaped plate, and the back plate is erected on the edge of the bottom plate, The base plate and the back plate form an included angle, and the included angle is greater than 90 degrees. The base plate and the back plate intersect at an angle, and the connection angle is greater than 90 degrees. The moving part is connected to the bottom plate of the shielding part. 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 dissipation device with a rotating shaft, an elastic element is sleeved on the rotating shaft, and the two ends of the elastic element respectively resist the The heat dissipation device and the light-shaped plate. The vehicle lamp with a high and low light switching structure as described in claim 2, wherein a first bearing and a second bearing are respectively set at both ends of the rotating shaft, and the first bearing is arranged in a corresponding receiving hole of the heat dissipation device. , the second bearing is arranged outside the receiving hole, and the first bearing and the second bearing conflict with each other. The vehicle lamp with a high and low light switching structure as claimed in claim 3, wherein the second bearing is penetrated on one side of the light-shaped plate, and one end of the second bearing forms a positioning portion, and the positioning portion can resist the The outside of the light-shaped plate is used to block and limit the light-shaped plate. The vehicle lamp with a high and low light switching structure as described in claim 2, wherein the rotating axis is arranged horizontally, the rotating axis is parallel to the horizontal section of the driving rod, the rotating axis is located above the housing of the electromagnet, and the rotating axis is located on the electromagnet. in front of the drive lever. The vehicle lamp with a high and low light switching structure as described in claim 2, wherein the elastic element is a torsion spring, the elastic element has a first end and a second end, and the first end and the second The ends respectively resist the heat dissipation device and the light-shaped plate. The heat dissipation device is provided with an accommodating groove. The first end is arranged in the accommodating groove. An opening is provided on one side of the accommodating groove. The opening is connected to the accommodating groove. The accommodating groove is connected, and the first end can be arranged in the accommodating groove through the opening. Inclined surfaces are formed on both sides of the accommodating groove and the opening. The cross-sections of the accommodating groove and the opening form Tapering downward. As for the vehicle lamp with a high and low light switching structure as described in claim 6, the inclined surfaces on both sides of the accommodating groove and the opening are in mirror correspondence. The vehicle lamp with a high and low light switching structure as claimed in claim 6, wherein the accommodating groove and the opening are perpendicular to each other. The vehicle lamp with a high and low light switching structure as claimed in claim 1, wherein the electromagnet is arranged at the front end of the heat dissipation device, the electromagnet is arranged upright, and the light-shaped plate is located above the electromagnet.

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