CN216976688U - Follow-up turns to LED lamp module of headlight before car - Google Patents
Follow-up turns to LED lamp module of headlight before car Download PDFInfo
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- CN216976688U CN216976688U CN202220659134.4U CN202220659134U CN216976688U CN 216976688 U CN216976688 U CN 216976688U CN 202220659134 U CN202220659134 U CN 202220659134U CN 216976688 U CN216976688 U CN 216976688U
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Abstract
The utility model discloses an LED lamp module of a follow-up steering automobile headlamp, wherein a lamp bracket, a lens and a combined type reflecting cup are arranged on the LED lamp module, and a light changing mechanism is arranged on the lamp bracket; the light changing mechanism is arranged in the lamp bracket and is used for variably shielding a light source emitted in the headlamp and then irradiating the light source to the lens, and the light changing mechanism comprises a main bracket fixed in the lamp bracket, a light changing shaft arranged on the main bracket and used for variably shielding the light source emitted in the headlamp and a driving mechanism arranged on the main bracket and used for driving the light changing shaft to rotate; a twisted V-like groove is arranged on the variable optical axis; the similar V-shaped groove is formed in the outer surface of the optical axis in a twisting mode. Through the scheme, the automobile closed-loop detection device has the advantages of simple structure, reliable action, closed-loop detection and the like, and has high practical value and popularization value in the technical field of automobiles.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to an LED lamp module of a follow-up steering automobile headlamp.
Background
The front lamp of car is installed on the anterior both sides of car, as traditional front lamp, can only work under a fixed mode, when the car was gone straight ahead night promptly, its light can shine on the road surface of direction of advance, guarantee that the driver has good place ahead sight, but actual road use situation is very complicated, if when the car was turned at the bend, the head lamp light deflected the direction of advance of car, cause the driver to see the road surface condition not clearly, bring the difficulty for driver's safe driving, make traffic safety have huge hidden danger, and often cause the traffic accident consequently. In addition, the headlamp adjusting mechanism in the prior art can only realize up-down pitch angle adjustment, which is adjusted in a vehicle static state.
At present, some LED car headlight car lights that are used for adjustable angle of illumination when turning that exist on the market are turned angle limitedly, though can follow the car and turn, nevertheless because whole LED lamp module turns to along with the monolith support follow-up, have occupied great headlight inner space, need consume great drive power, and relative cost is higher, and because self inertia influence when the highway section of jolting, the module turns to the inefficiency higher. For example, the Chinese utility model patent with the patent application number of 201120502345.9 and the name of 'an automobile headlamp turning along the rotation direction of an automobile'; for another example, the present invention is a chinese utility model patent with a patent application number of "200710135034.1" entitled "an automatic adjusting device for automotive headlights".
Therefore, it is urgently needed to provide an LED lamp module of a follow-up steering automobile headlamp with simple structure and reliable action.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model aims to provide an LED lamp module of a follow-up steering automobile headlamp, and the technical scheme adopted by the utility model is as follows:
an LED lamp module of a follow-up steering automobile headlamp is characterized in that a lamp support, a lens and a combined type reflecting cup are arranged on the LED lamp module, and a light changing mechanism is arranged on the lamp support; the light changing mechanism is arranged in the lamp bracket and is used for variably shielding a light source emitted in the headlamp and then irradiating the light source to the lens, and the light changing mechanism comprises a main bracket fixed in the lamp bracket, a light changing shaft arranged on the main bracket and used for variably shielding the light source emitted in the headlamp and a driving mechanism arranged on the main bracket and used for driving the light changing shaft to rotate; a twisted V-shaped groove is arranged on the optical axis; the similar V-shaped groove is formed in the outer surface of the optical axis in a twisting mode.
Further, the twisting angle of the V-shaped groove is larger than 0 degree and smaller than or equal to 180 degrees.
Further, the opening angle of the V-like groove is greater than 0 ° and less than 180 °.
Furthermore, the light changing shaft comprises a rotating shaft and a light changing part which are integrally formed; the V-shaped groove is twisted on the light changing part.
Further, a first parallel notch portion and a second parallel notch portion are provided on a surface of the optical axis; the first parallel notch portion and the second parallel notch portion are arranged away from the V-shaped groove.
Preferably, the first and second parallel notch portions are arranged at 90 ° to each other along the surface of the anamorphic axis.
Further, the first parallel notch portion and the second parallel notch portion are provided on the surface of the optical varying axis with equal length.
Furthermore, the driving mechanism comprises a motor fixed on the main support, a driving gear connected with a bearing of the motor, and a driven gear connected with one end of the variable optical axis and meshed with the driving gear.
Furthermore, the LED lamp module further comprises a coding disc coaxially connected with the light-changing shaft, and a sensor fixed on the main support and matched with the coding disc in an induction mode.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the light changing mechanism is arranged in the lamp lens module, variably shields a light source emitted in the headlamp and then emits the light source to the lens, equivalently, a variable shield is formed on a focal plane of the lens, and the variable shield is realized by the rotation of a shield shaft. The utility model is realized based on the theoretical basis of imaging optics, namely, a cut-off line of a light spot coming out from a lens is a projection profile of a certain position of an amplified inverted rotating shaft on a focal plane.
(2) The utility model skillfully sets the optical axis, and the optical axis is twisted and provided with a V-shaped groove, a first parallel gap part and a second parallel gap part, and the twisted V-shaped groove is used for reflecting the light source so as to realize the variable shielding of the light source; because the heat that the LED lamp produced is less, it adopts the mode of sheltering from more reliable, and moves portably, compares with the car headlamp that traditional followed car rotation direction turned to, and is low to installation space, position requirement, does not relate to the whole action of headlight, and its reliability is better.
(3) The utility model skillfully adopts the modes of the motor, the driving gear and the driven gear to drive and rotate, and has reliable action and quicker response.
(4) The utility model acquires the rotation angle of the variable optical axis by arranging the (magnetic) coding disc and the (magnetic) sensor so as to realize closed-loop detection and ensure more reliable control.
(5) The utility model skillfully arranges the first parallel gap part and the second parallel gap part to meet the requirements of dipped headlights of different regulations (left/right rudders); (the parallel cutaway portions are provided in practice, and only one of the left/right rudders is used).
In conclusion, the utility model has the advantages of simple structure, reliable action, closed-loop detection and the like, and has high practical value and popularization value in the technical field of automobiles.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of protection, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic view of a headlamp according to the present invention.
FIG. 2 is a schematic structural diagram (I) of the light changing mechanism of the present invention.
FIG. 3 is a schematic structural diagram of a light changing mechanism according to the present invention (II).
FIG. 4 is a schematic structural diagram (III) of the light changing mechanism of the present invention.
Fig. 5 is a schematic structural diagram (i) of the optical axis changing device of the present invention.
Fig. 6 is a schematic structural diagram (ii) of the optical axis changing system of the present invention.
Fig. 7 is a schematic structural diagram (iii) of the present invention.
Fig. 8 is a schematic view a-a of fig. 7.
FIG. 9 is a light variation state diagram (one) of the present invention.
FIG. 10 is a light variation state diagram (two) of the present invention.
FIG. 11 is a light variation state diagram (III) of the present invention.
Fig. 12 is an image of a dipped headlight of a right rudder vehicle according to the utility model.
Fig. 13 is an image of headlights of a left-rudder vehicle according to the present invention.
FIG. 14 is a ray path diagram of one of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
1. a lamp bracket; 2. a lens; 3. a light changing mechanism; 4. a combined type reflection cup; 31. a main support; 32. a motor; 33. a driving gear; 34. a driven gear; 35. changing an optical axis; 36. a code disc; 37. a sensor; 351. a V-like groove; 352. a first parallel notch portion; 353. a second parallel notch portion.
Detailed Description
To further clarify the objects, technical solutions and advantages of the present application, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
Examples
As shown in fig. 1 to 8, the present embodiment provides an LED lamp module of a front headlamp of a follow-up steering automobile, wherein a lamp bracket and a lens are disposed on the LED lamp module, and a light changing mechanism is disposed on the lamp bracket; in the present embodiment, the light changing mechanism is installed in the lamp holder 1, and variably blocks the light emitted from the headlamp and then enters the lens 2. In the present embodiment, the terms "first", "second", and the like are used only for distinguishing the similar components, and are not to be construed as limiting the scope of protection. In the present embodiment, the terms of orientation such as "bottom", "top", "peripheral edge", "center", and the like are explained based on the drawings.
Specifically, the light changing mechanism of the present embodiment includes a main support 31 fixed in the lamp support 1, a light changing shaft 35 disposed on the main support 31 and variably blocking a light source emitted from the headlamp, and a driving mechanism disposed on the main support 31 and driving the light changing shaft 35 to rotate; the variable optical axis 35 is provided with a twisted V-like groove 351. The light changing shaft 35 comprises a rotating shaft and a light changing part which are integrally formed; the V-shaped groove is twisted on the dimming part. In this embodiment, the twist angle of the V-shaped groove is: 180 degrees; the opening angle of the V-shaped groove is as follows: 120 degrees. In addition, the outer edge of the V-shaped groove of the embodiment smoothly transitions with the outer edge of the light changing part, and the fillet radius of the V-shaped groove is 0.5 mm.
Moreover, in the present embodiment, in order to realize the outer low beam switching, the first parallel notch portion 352 and the second parallel notch portion 353 are provided on the surface of the light changing shaft 35; the first and second parallel cutout portions 352 and 353 are disposed away from the V-like groove 351. First parallel notch 352 and second parallel notch 353 are arranged at 90 degrees along the surface of optical axis 35. First parallel cutout 352 and second parallel cutout 353 of the present embodiment are provided on the surface of light beam changing shaft 35 at equal lengths.
As shown in fig. 2 to 3, the present embodiment realizes reliable driving and detection; the driving mechanism comprises a motor 32 fixed on the main support 31, a driving gear 33 connected with a bearing of the motor 32, a driven gear 34 connected with one end of a light changing shaft 35 and meshed with the driving gear 33, an encoding disc 36 coaxially connected with the light changing shaft 35, and a sensor 37 fixed on the main support 31 and matched with the encoding disc 36 in an induction mode. The sensor 37 and the encoding disk 36 are magnetic, and in this embodiment, the encoding disk 36 is provided with an angle scale which monitors the position state of the variable optical axis 35 in real time by using the sensor 37.
As shown in fig. 14, the LED lamp bead emits light, and after being reflected by the combined type reflective cup 4, part of the light is blocked by the light changing mechanism, and the light shape on the inner surface of the lens 2 is refracted by the lens (enlarging the handstand effect) to form an image in the figure.
As shown in fig. 9 to 13, in order to verify the variable shielding effect of the dimming axis on the light source, the present embodiment performs the low beam switching test of the light source angle and different regulations. As can be seen from the figure, the vehicle-mounted rotation angle is 40 degrees from R20 to L20. The embodiment can reliably change light along with the steering of the automobile.
The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, but all the modifications made by the principles of the present invention and the non-inventive efforts based on the above-mentioned embodiments shall fall within the scope of the present invention.
Claims (9)
1. An LED lamp module of a follow-up steering automobile headlamp is characterized in that a lamp support (1), a lens (2) and a combined type reflecting cup (4) are arranged on the LED lamp module, and a light changing mechanism is arranged on the lamp support (1); the light changing mechanism is arranged in the lamp support (1) and is used for variably shielding a light source emitted in the headlamp and then enabling the light source to enter the lens (2), and comprises a main support (31) fixed in the lamp support (1), a light changing shaft (35) arranged on the main support (31) and used for variably shielding the light source emitted in the headlamp, and a driving mechanism arranged on the main support (31) and used for driving the light changing shaft (35) to rotate; a twisted V-shaped groove (351) is arranged on the optical axis varying (35); the V-shaped groove (351) is formed on the outer surface of the variable optical axis (35) in a twisting mode.
2. The LED lamp module of the follow-up steering automobile headlamp as claimed in claim 1, wherein the twist angle of the V-shaped groove is greater than 0 ° and less than or equal to 180 °.
3. The LED lamp module of the follow-up steering automobile headlamp as claimed in claim 1 or 2, wherein the opening angle of the V-shaped groove is greater than 0 ° and less than 180 °.
4. The LED lamp module of the follow-up steering automobile headlamp is characterized in that the light changing shaft (35) comprises a rotating shaft and a light changing part which are integrally formed; the V-shaped groove is twisted on the dimming part.
5. The LED lamp module of a follow up steering automotive headlamp according to claim 1 or 2, characterized in that a first parallel notch portion (352) and a second parallel notch portion (353) are provided on the surface of the varying axis (35); the first parallel cutout portion (352) and the second parallel cutout portion (353) are disposed away from the V-like groove (351).
6. The LED lamp module of a follow up steering automobile headlamp according to claim 5, wherein the first parallel notch portion (352) and the second parallel notch portion (353) are arranged at 90 degrees along the surface of the variable optical axis (35).
7. The LED lamp module of a follow-up steering automobile headlamp according to claim 5, wherein the first parallel notch portion (352) and the second parallel notch portion (353) are arranged on the surface of the optical axis (35) in equal length.
8. The LED lamp module of the follow-up steering automobile headlamp is characterized in that the driving mechanism comprises a motor (32) fixed on the main bracket (31), a driving gear (33) connected with a bearing of the motor (32), and a driven gear (34) connected with one end of the variable optical axis (35) and meshed with the driving gear (33).
9. The LED lamp module of the follow-up steering automobile headlamp is characterized by further comprising a coding disc (36) coaxially connected with the variable optical axis (35) and a sensor (37) fixed on the main bracket (31) and matched with the coding disc (36) in an induction mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659134.4U CN216976688U (en) | 2022-03-24 | 2022-03-24 | Follow-up turns to LED lamp module of headlight before car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659134.4U CN216976688U (en) | 2022-03-24 | 2022-03-24 | Follow-up turns to LED lamp module of headlight before car |
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| CN216976688U true CN216976688U (en) | 2022-07-15 |
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| CN202220659134.4U Active CN216976688U (en) | 2022-03-24 | 2022-03-24 | Follow-up turns to LED lamp module of headlight before car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963113A (en) * | 2022-03-24 | 2022-08-30 | 浙江比肯科技有限公司 | Light changing mechanism of follow-up steering automobile headlamp, headlamp and automobile |
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- 2022-03-24 CN CN202220659134.4U patent/CN216976688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963113A (en) * | 2022-03-24 | 2022-08-30 | 浙江比肯科技有限公司 | Light changing mechanism of follow-up steering automobile headlamp, headlamp and automobile |
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Effective date of registration: 20240511 Address after: 314308, 2nd Floor, No. 99 Jinqiao Road, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province (Zhejiang Biken Technology Co., Ltd.) Patentee after: Jiaxing Mingming Intelligent Technology Co.,Ltd. Country or region after: China Address before: 314308 No. 99, Jinqiao Road, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Biken Technology Co.,Ltd. Country or region before: China |