Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a high beam and low beam lens module and a bicycle lamp, so as to solve the problem that the existing high beam light source and low beam light source are installed at the same position to cause serious heating, so that the bicycle lamp has certain potential safety hazard when in use.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a high beam and low beam lens module comprising: the low beam lens, the far beam lens and the reflector element that is connected with the light-emitting part of the low beam lens and the light-emitting part of the far beam lens simultaneously, the reflector element is last to have first reflection portion, second reflection portion and third reflection portion, the low beam lens is used for gathering the low beam light that the low beam light source produced to first reflection portion, the low beam light includes: the first reflection part is used for reflecting the received first part of low beam light onto the second reflection part, the first reflection part is also used for reflecting the received second part of low beam light onto the third reflection part, the second reflection part is used for emitting the received first part of low beam light along the horizontal direction on the light emitting part of the light reflecting component, the third reflection part is used for emitting the received low beam light obliquely downwards in front of the light reflecting component, and the high beam lens is used for emitting the high beam light generated by the high beam light source onto the light emitting part of the light reflecting component along the horizontal direction.
Further, a step is provided on the third reflecting portion to divide the third reflecting portion into a fourth reflecting portion and a fifth reflecting portion, both of which are located between the high beam lens and the light emitting portion of the reflecting member, and the fifth reflecting portion is disposed close to the light emitting portion of the reflecting member.
Further, the second portion of low beam light is composed of a third portion of low beam light and a fourth portion of low beam light, the third portion of low beam light is reflected by the fourth reflecting portion and then emitted from the light emitting portion of the light reflecting member, and the fourth portion of low beam light is reflected by the fifth reflecting portion and then emitted from the light emitting portion of the light reflecting member.
Further, the first reflecting portion 310 is located in front of the low beam lens 100, the second reflecting portion 320 is located between the low beam lens 100 and the high beam lens 200, and the third reflecting portion 330 is located above the high beam lens 200.
Further, the second reflective portion is located above the first reflective portion, and the first reflective portion is parallel to the second reflective portion.
Further, a first entrance hole for accommodating a low beam light source is formed in one end, far away from the light reflecting component, of the low beam lens, and a second entrance hole for accommodating a high beam light source is formed in one end, far away from the light reflecting component, of the high beam lens.
Further, the light emergent portion of the light reflecting member is uniformly provided with a plurality of strip-shaped protrusions, so that a refraction portion is formed on the light emergent portion of the light reflecting member and used for refracting high beam light and low beam light passing through the light emergent portion towards the left side and the right side of the light emergent portion of the light reflecting member.
Further, the low beam lens and the high beam lens are TIR total reflection lenses.
Further, the low beam lens, the high beam lens and the reflecting member are integrally formed.
The invention also provides a bicycle lamp, comprising: casing, bicycle lamp still includes: the high-beam and low-beam lens module is arranged in the shell.
The invention has the beneficial effects that:
through setting up low beam lens and high beam lens, low beam lens is used for gathering the low beam light that the low beam light source produced, the low beam light that the low beam light source produced can shine to the external world through reflector unit's effect, high beam lens is used for being used for the high beam light that the high beam light source produced to the light-emitting part of reflector unit go up along the horizontal direction and go out, make the bicycle that uses high beam and low beam lens module can use far beam and low beam function simultaneously, and owing to used two lenses, avoid installing high beam light source and low beam light source to the emergence serious condition emergence of leading to the car light on the same position, thereby solve among the prior art because install high beam light source and low beam light source to the same position and make the bicycle car light generate heat seriously, lead to the problem that the bicycle car light has the potential safety hazard when using, thereby promote user experience when using the bicycle car light, reduce the possibility that the bicycle car light takes place the installation hidden danger when using.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should 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 orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-6, a high beam and low beam lens 100 module includes: the low beam lens 100, the high beam lens 200 and the light reflecting member 300 connected with the light emergent part of the low beam lens 100 and the light emergent part of the high beam lens 200 at the same time, wherein the light reflecting member 300 is provided with a first reflecting part 310, a second reflecting part 320 and a third reflecting part 330, specifically, the first reflecting part 310 is positioned in front of the low beam lens 100, the second reflecting part 320 is positioned between the low beam lens 100 and the high beam lens 200, and the third reflecting part 330 is positioned above the high beam lens 200; further, the second reflecting portion 320 is located above the first reflecting portion 310, and the first reflecting portion 310 is parallel to the second reflecting portion 320, and the low beam lens 100 is used for converging the low beam generated by the low beam light source 800 to the first reflecting portion 310, where the low beam light includes: the first reflecting portion 310 is configured to reflect the received first portion of low beam 400 onto the second reflecting portion 320, and the first reflecting portion 310 is also configured to reflect the received second portion of low beam 500 onto the third reflecting portion 330, the second reflecting portion 320 is configured to emit the received first portion of low beam 400 in a horizontal direction on an emitting portion of the reflector 300, the third reflecting portion 330 is configured to emit the received low beam in a front oblique direction of the reflector 300, and the high beam lens 200 is configured to apply the high beam generated by the high beam light source 900 to an emitting portion of the reflector 300 and emit the high beam in a horizontal direction; in this embodiment, the first reflecting portion 310 is a first reflecting inclined plane, the second reflecting portion 320 is a second reflecting inclined plane, the third reflecting portion 330 is a free curved plane, and the high beam lens 200 is located above the low beam lens 100.
Through setting up low beam lens 100 and high beam lens 200, low beam lens 100 is used for gathering the low beam light that low beam light source 800 produced, the low beam light that low beam light source 800 produced can shine to the external world through the effect of reflector unit 300, high beam lens 200 is used for being used for the high beam light that high beam light source 900 produced to go up the light-emitting part of reflector unit 300 and go out along the horizontal direction, make the bicycle that uses high beam and low beam lens 100 module can use high beam and low beam function simultaneously, and owing to used two lenses, avoid installing high beam light source 900 and low beam light source 800 to the emergence serious condition emergence of leading to the car light on the coplanar, thereby solve among the prior art because with high beam light source 900 and low beam light source 800 installation to the coplanar so that the bicycle lamp generates heat seriously, lead to the problem that the bicycle lamp has the potential safety hazard when using, thereby promote user experience when using the bicycle lamp, reduce the possibility that the bicycle lamp takes place the emergence of hidden danger when using.
In one embodiment, referring to fig. 5, a step 331 is provided on the third reflecting portion 330 to divide the third reflecting portion 330 into a fourth reflecting portion 332 and a fifth reflecting portion 333, the fourth reflecting portion 332 and the fifth reflecting portion 333 are located between the high beam lens 200 and the light emergent portion of the reflecting member 300, and the fifth reflecting portion 333 is located near the light emergent portion of the reflecting member 300, wherein the second portion of low beam light 500 is composed of the third portion of low beam light 510 and the fourth portion of low beam light 520, the third portion of low beam light 510 is reflected by the fourth reflecting portion 332 and then is emitted from the light emergent portion of the reflecting member 300, and the fourth portion of low beam light 520 is reflected by the fifth reflecting portion 333 and then is emitted from the light emergent portion of the reflecting member 300. By providing the step 331, the third reflecting portion 330 is divided into the fourth reflecting portion 332 and the fifth reflecting portion 333, the fourth reflecting portion 332 can apply the third portion of the low beam light 510 to the nearest position of the front low beam, the second reflecting portion 320 can apply the first portion of the low beam light 400 to the farthest position of the low beam, the fifth reflecting portion 333 can apply the fourth portion of the low beam light 520 to the middle position between the farthest position of the front low beam and the nearest position of the low beam, and the fourth reflecting portion 332 and the fifth reflecting portion 333 can cooperate with the second reflecting portion 320, so that the segmented irradiation of the low beam is realized between the nearest position of the low beam, the farthest position of the low beam and the farthest position of the low beam, and no problem of glare is generated, the control accuracy of the low beam light source 800 is increased, the range of the low beam in front is ensured to be wider, and no irradiation of the low beam is performed above 0 degree, thereby increasing the use experience of the bicycle lamp for the user.
In one embodiment, referring to fig. 2, the near-beam lens 100 has a first entrance hole 110 for receiving the near-beam light source 800 at an end far from the light reflecting member 300, and the far-beam lens 200 has a second entrance hole 210 for receiving the far-beam light source 900 at an end far from the light reflecting member 300. Because the existing LED light sources are lambertian light sources, the divergence angle is close to 180 degrees, and the convex lens is used, the light is not converged by the lens, and the waste of light energy is caused, therefore, by 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, the second incident hole 210 completely covers the light emitting selling of the high beam light source 900, so that all the light generated by the low beam light source 800 can enter the low beam lens 100, all the light generated by the high beam light source 900 can enter the high beam lens 200, and finally, the reflecting component irradiates to the front, thereby forming effective utilization, and improving the utilization rate of the light energy.
In one embodiment, referring to fig. 3 and fig. 4, a plurality of strip-shaped protrusions 340 are uniformly arranged on the light emitting portion of the light 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 side and the right side 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. By arranging the strip-shaped protrusions 340, the light passing through the light emitting part can be deflected and irradiated towards the left side and the right side of the front area as much as possible, so that the transverse illumination range is wider.
In one embodiment, the low beam lens 100 and the high beam lens 200 are TIR total reflection lenses, and the reflective member 300 is a reflective lens; through selecting for use the low beam lens 100 and the high beam lens 200 to be the TIR total reflection lens for the low beam lens 100 can assemble the light that the low beam light source 800 produced, and the high beam lens 200 can assemble the light that the high beam light source 900 produced, then the light after gathering can pass through the reflecting member and shine to the place ahead, 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 light reflecting member 300 are integrally formed; the lens module is formed by combining the high beam lens 200, the low beam lens 100 and the reflecting component 300, the high beam lens 200 emits light and the low beam lens 100 emits light and shares the reflecting component 300, the high beam refracts in the high beam lens 200, the low beam refracts in the low beam lens 100, and the low beam refracts in the low beam lens 100, so that the volume of the lens module is smaller; and the space of the split high beam near lens design is saved, and the cost of independently manufacturing two lenses is saved.
In one embodiment, the side walls of the first light entrance hole and the second light entrance hole are refractive surfaces, the end surface of the first light entrance hole far from the low beam light source 800 and the end surface of the second light entrance hole far from the high beam light source 900 are refractive surfaces, and the inner side walls of the low beam lens 100 and the inner side walls of the high beam lens 200 are reflective surfaces.
Referring to fig. 1 and 2, the present invention further provides a bicycle lamp, comprising: the casing 600, bicycle lamp still includes: the high beam lens 100 module and the low beam lens 100 module are installed in the housing 600.
In one embodiment, the bicycle lamp further comprises: a first substrate 100 and a second substrate 1100 are fixedly arranged in the shell 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 on the head of the housing 600, and the pressing ring 700 is used to limit the lens module in the housing 600.
Principle of low beam light path: the first part of the low beam 400 emitted from the low beam light source 800 enters the low beam lens 100, is totally reflected to the first reflecting part 310 by the inner side wall of the lower part of the low beam lens 100, is totally reflected to the second reflecting part 320 by the first reflecting part 310, and finally is emitted by the light emitting part of the reflecting component to be irradiated to the far position of the low beam; the third part of the low beam 510 emitted by the low beam light source 800 is incident into the low beam lens 100 from the side wall opposite to the low beam light source 800 through the first light incident hole, is refracted, is totally reflected to the fifth reflecting part 333 through the first reflecting part 310, and finally is emitted from the light emergent part of the reflecting member to irradiate the position closest to the low beam; the fourth part of the low beam light 520 emitted from the low beam light source 800 is incident into the first light incident hole of the low beam lens 100, totally reflected by the inner sidewall of the upper part of the low beam lens 100, refracted by the low beam lens 100, totally reflected by the first reflecting part 310 to the fifth reflecting part 333, finally emitted by the light emitting part of the reflecting member, and irradiated to the position between the nearest position of the low beam and the farthest position of the low beam.
Principle of high beam light path: the light beam generated by the high beam light source 900 enters the high beam lens 200 from the light entrance hole, is collimated by the internal action of the high beam lens 200, and is emitted from the light emitting portion of the reflecting member to the irradiated position.
The above-described embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions made by those skilled in the art within the scope of the present invention should be included in the scope of the present invention.