Disclosure of Invention
The invention aims to provide a high beam and low beam lens module and a bicycle lamp aiming at the defects of the prior art, and aims to solve the problem that the conventional high beam light source and low beam light source are installed at the same position to cause serious heating so that certain potential safety hazards exist in the use process of the bicycle lamp.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-low beam lens module, comprising: near light lens, distance light lens and simultaneously with the light-emitting portion of near light lens and the light-emitting portion of distance light lens be connected's light-reflecting component, first reflection part, second reflection part and third reflection part have on the light-reflecting component, near light lens is used for assembling the near light that the near light source produced to first reflection part, near light includes: the first reflection part is used for reflecting the received first part of near-beam light to the second reflection part, the first reflection part is also used for reflecting the received second part of near-beam light to the third reflection part, the second reflection part is used for emitting the received first part of near-beam light in the horizontal direction on the light emitting part of the light reflecting component, the third reflection part is used for obliquely emitting the received near-beam light in front of the light reflecting component, and the high beam lens is used for applying the high beam light generated by the high beam light source to the light emitting part of the light reflecting component and emitting the high beam light in the horizontal direction.
Furthermore, a step portion is disposed on the third reflection portion to divide the third reflection portion into a fourth reflection portion and a fifth reflection portion, the fourth reflection portion and the fifth reflection portion are both located between the high beam lens and the light exit portion of the light reflection member, and the fifth reflection portion is disposed near the light exit portion of the light reflection member.
Furthermore, the second part of near light rays consists of a third part of near light rays and a fourth part of near light rays, the third part of near light rays are reflected by the fourth reflection part and then emitted from the light emitting part of the light reflecting component, and the fourth part of near light rays are reflected by the fifth reflection part and then emitted from the light emitting part of the light reflecting component.
Further, the first reflection portion and the second reflection portion are both located between the high beam lens and the low beam lens, and the third reflection portion is located above the first reflection portion and the second reflection portion.
Further, the first reflective portion is located above the second reflective portion, and the first reflective portion is parallel to the second reflective portion.
Furthermore, one end of the low beam lens, which is far away from the light reflecting component, is provided with a first entrance hole for accommodating a low beam light source, and one end of the high beam lens, which is far away from the light reflecting component, is provided with a second entrance hole for accommodating a high beam light source.
Furthermore, a plurality of strip-shaped bulges are uniformly arranged on the light outlet part of the light reflecting part, so that a refraction part is formed on the light outlet part of the light reflecting part and is used for refracting the high beam light and the low beam light passing through the light outlet part towards the left side and the right side of the light outlet part of the light reflecting part.
Further, the low beam lens and the high beam lens are all TIR total reflection lenses.
Further, the low beam lens, the high beam lens and the light reflecting member are integrally formed.
The present invention also provides a bicycle lamp, comprising: a housing, the bicycle light further comprising: the high-low beam lens module is arranged in the shell.
The invention has the beneficial effects that:
through the arrangement of the dipped beam lens and the high beam lens, the dipped beam lens is used for converging the dipped beam light generated by the dipped beam light source, the dipped beam light generated by the dipped beam light source can irradiate to the outside through the action of the light reflecting component, the high beam lens is used for acting the high beam light generated by the high beam light source to the light emitting part of the light reflecting component and emitting the high beam light along the horizontal direction, so that a bicycle using the high beam and low beam lens module can simultaneously use the high beam and low beam functions, and because two lenses are used, the serious condition that the high beam light source and the low beam light source are arranged at the same position to cause the vehicle lamp is avoided, thereby solving the problem that the bicycle lamp generates heat seriously due to the fact that the high beam light source and the low beam light source are arranged at the same position in the prior art, and the bicycle lamp has potential safety hazard when in use, thereby promote the user experience when using bicycle lamp, reduce the bicycle lamp and take place the possibility of installation hidden danger when using.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixed or detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 6, a high-low beam lens 100 module includes: the low beam lens 100, the high beam lens 200 and the light reflecting member 300 connected to the light emitting portion of the low beam lens 100 and the light emitting portion of the high beam lens 200 simultaneously, the light reflecting member 300 has a first reflecting portion 310, a second reflecting portion 320 and a third reflecting portion 330, specifically, the first reflecting portion and the second reflecting portion are located between the high beam lens 200 and the low beam lens 100, the third reflecting portion is located above the first reflecting portion and the second reflecting portion, further, the first reflecting portion is located above the second reflecting portion, and the first reflecting portion is parallel to the second reflecting portion, the low beam lens 100 is used for converging the low beam generated by the low beam source 800 to the first reflecting portion 310, and the low beam includes: the first reflection portion 310 is configured to reflect the received first portion of the low-beam light 400 to the second reflection portion 320, the first reflection portion 310 is further configured to reflect the received second portion of the low-beam light 500 to the third reflection portion 330, the second reflection portion 320 is configured to emit the received first portion of the low-beam light 400 in a horizontal direction on the light emitting portion of the light reflecting component 300, the third reflection portion 330 is configured to obliquely emit the received low-beam light in front of the light reflecting component 300, and the high beam lens 200 is configured to apply the high beam light generated by the high beam light source 900 to the light emitting portion of the light reflecting component 300 to emit in the horizontal direction; in this embodiment, the first reflecting portion 310 is a first reflecting slope, the second reflecting portion 320 is a second reflecting slope, the third reflecting portion 330 is a free-form surface,
through setting up passing light lens 100 and distance light lens 200, passing light lens 100 is used for assembling the passing light that passing light source 800 produced, the passing light that passing light source 800 produced can shine to the external world through the effect of reflector 300, distance light lens 200 is used for acting on the light-emitting portion of reflector 300 with the distance light that distance light source 900 produced and jets out along the horizontal direction, make the bicycle that uses passing light lens 100 module can use distance light and passing light function simultaneously, and owing to used two lenses, avoid installing distance light source 900 and passing light source 800 to the serious condition emergence of emergence that leads to the car light on the same position, thereby solve among the prior art because install distance light source 900 and passing light source 800 to the same position makes the bicycle lamp heat seriously, lead to the bicycle lamp to have the problem of potential safety hazard when using, thereby promote the user's experience when using the bicycle lamp, the possibility of hidden installation trouble of the bicycle lamp in use is reduced.
In one embodiment, referring to fig. 5, the third reflective portion 330 is provided with a step portion 331 to divide the third reflective portion 330 into a fourth reflective portion 332 and a fifth reflective portion 333, the fourth reflective portion 332 and the fifth reflective portion 333 are both located between the high beam lens 200 and the light emitting portion of the light reflective member 300, and the fifth reflective portion 333 is located near the light emitting portion of the light reflective member 300, wherein the second low beam portion 500 is composed of a third low beam portion 510 and a fourth low beam portion 520, the third low beam portion 510 is reflected by the fourth reflective portion 332 and then emitted from the light emitting portion of the light reflective member 300, and the fourth low beam portion 520 is reflected by the fifth reflective portion 333 and then emitted from the light emitting portion of the light reflective member 300. By providing the step portion 331, the third reflection portion 330 is divided into the fourth reflection portion 332 and the fifth reflection portion 333, the fourth reflection portion 332 can apply the third portion of the low-beam light ray 510 to the near-beam nearest position in front, the second reflection portion 320 can apply the first portion of the low-beam light ray 400 to the far-beam farthest position, the fifth reflection portion 333 can apply the fourth portion of the low-beam light ray 520 to a position intermediate between the near-beam farthest position and the near-beam nearest position in front, so that the fourth reflection portion 332 and the fifth reflection portion 333 can be matched with the second reflection portion 320, thereby realizing the sectional illumination of the low beam between the near-beam nearest position, the far-beam farthest position in front, and the near-beam nearest and the far-beam farthest position, without generating the glare problem, increasing the precision of the control of the low-beam light source 800, ensuring the range of the low beam in front is wider, and the illumination of the low beam is not lower than 0 degree, thereby increase the use experience that the user is using the bicycle lamp.
In one embodiment, referring to fig. 2, the low beam lens 100 is provided with a first incident hole 110 for receiving the low beam light source 800 at an end thereof away from the reflector 300, and the high beam lens 200 is provided with a second incident hole 210 for receiving the high beam light source 900 at an end thereof away from the reflector 300. Because the LED light sources are all lambertian light emitting, the divergence angle is close to 180 degrees, and the convex lens is used, light rays are not converged by lens light collection, so that the waste of light energy is caused, therefore, through arranging the first incident hole 110 and the second incident hole 210, the first incident hole 110 completely covers the light emitting surface of the low beam light source 800, and the second incident hole 210 completely covers the light emitting sale of the high beam light source 900, all light rays generated by the low beam light source 800 can enter the low beam lens 100, all light rays generated by the high beam light source 900 can enter the high beam lens 200, and finally, a reflecting part irradiates the front, so that the effective utilization is formed, and the utilization rate of the light energy is improved.
In one embodiment, referring to fig. 3 and 4, a plurality of strip-shaped protrusions 340 are uniformly disposed on the light-emitting portion of the optical component, so that a refraction portion is formed on the light-emitting portion of the light-reflecting component, and is used for refracting the high beam light and the low beam light passing through the light-emitting portion towards the left and right sides of the light-emitting portion of the light-reflecting component; specifically, the strip-shaped protrusions 340 are uniformly arranged along the surface of the light-emitting portion, and the length of the strip-shaped protrusions 340 gradually increases from two sides of the light-emitting portion to the middle position. Through setting up strip arch 340 for the light that passes through light-emitting portion can be as far as possible towards the regional left and right sides deflection of the place ahead and shine, makes horizontal illumination scope wideer.
In one embodiment, the low beam lens 100 and the high beam lens 200 are TIR total reflection lenses, and the light reflection member 300 is a reflection lens; through choosing for use passing light lens 100 and distance light lens 200 to be TIR total reflection lens for passing light lens 100 can assemble the light that passing light source 800 produced, and distance light lens 200 can assemble the light that distance light source 900 produced, and then the light after assembling can shine to the place ahead through reflection parts, makes the utilization ratio of light energy can be higher.
In one embodiment, referring to fig. 3 and 4, the low beam lens 100, the high beam lens 200 and the reflective member 300 are integrally formed; the lens module is formed by combining a high beam lens 200, a low beam lens 100 and a light reflecting part 300, light emitted by the high beam lens 200 and light emitted by the low beam lens 100 share the light reflecting part 300, the high beam is refracted inside the high beam lens 200, the low beam is refracted inside the low beam lens 100, and the high beam and the low beam are not mutually influenced, so that the size of the lens module is smaller; and the space of the split distance light and near lens type design is saved, and the cost for independently manufacturing two lenses is saved.
In one embodiment, the side walls of the first light inlet hole and the second light inlet hole are refractive surfaces, the end surface of the first light inlet hole away from the low beam light source 800 and the end surface of the second light inlet hole away from the high beam light source 900 are also refractive surfaces, and the inner side wall of the low beam lens 100 and the inner side wall of the high beam lens 200 are reflective surfaces.
Referring to fig. 1 and 2, the present invention also provides a bicycle lamp, comprising: casing 600, bicycle lamp still includes: a high beam and low beam lens 100 module, the high beam and low beam lens 100 module is installed in a housing 600.
In one embodiment, the bicycle lamp further comprises: and a first substrate 100 and a second substrate 1100 fixedly arranged in the housing 600, wherein the first substrate 100 is used for mounting the low-beam light source 800, and the second substrate 1100 is used for mounting the high-beam light source 900.
In one embodiment, a pressing ring 700 is further disposed at the head of the housing 600, and the pressing ring 700 is used for limiting the lens module in the housing 600.
Low beam light path principle: the first portion of the low beam light 400 emitted from the low beam light source 800 enters the low beam lens 100, is totally reflected to the first reflecting portion 310 by the inner sidewall of the lower portion of the low beam lens 100, is totally reflected to the second reflecting portion 320 by the first reflecting portion 310, and finally is emitted from the light emitting portion of the reflecting member to illuminate the far position of the low beam; the third part of the low beam light 510 emitted by the low beam light source 800 enters the low beam lens 100 through the first light inlet hole and the sidewall opposite to the low beam light source 800, is refracted and then totally reflected to the fifth reflection part 333 by the first reflection part 310, and finally is emitted by the light emitting part of the reflection member to irradiate the position closest to the low beam; the fourth portion of the near-beam light 520 emitted from the near-beam light source 800 enters the first light-entrance hole of the near-beam lens 100, is totally reflected by the inner sidewall of the upper portion of the near-beam lens 100, is refracted by the near-beam lens 100, is totally reflected to the fifth reflection portion 333 by the first reflection portion 310, and finally is emitted by the light-emitting portion of the reflection member to illuminate the position between the nearest near-beam and the farthest near-beam.
Principle of high beam path: the light generated by the high beam light source 900 enters the high beam lens 200 through the light entrance hole, and is collimated by the high beam lens 200, and then exits from the light exit portion of the emitting member to the irradiated position.
The above-described embodiments are only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.