CN210601436U - Double laser lamp tube headlight - Google Patents
Double laser lamp tube headlight Download PDFInfo
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- CN210601436U CN210601436U CN201922197372.9U CN201922197372U CN210601436U CN 210601436 U CN210601436 U CN 210601436U CN 201922197372 U CN201922197372 U CN 201922197372U CN 210601436 U CN210601436 U CN 210601436U
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- bearing seat
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Abstract
The utility model provides a two laser lamp pipe headlamps, collimating lens hold the seat with the reflector and keep away from the one side that laser held the seat and be connected. The second reflector is provided with two incident light reflecting surfaces which are arranged at a certain angle. The optical axes of the blue laser emitted by the two blue laser emitters form an angle of 45 degrees with the reflecting surface of the first reflecting mirror. The second reflector is positioned on the same vertical line with the first reflector. The two light incident reflecting surfaces form an angle of 45 degrees with the reflecting surface of the first reflecting mirror. The blue laser emitted by each blue laser emitter reaches a light incident reflection surface after being reflected by the first reflecting mirror. The yellow ceramic fluorescent sheet is arranged between the laser bearing seat and the focusing lens. The blue laser reflected by the two light incident reflecting surfaces is converged on the yellow ceramic fluorescent sheet by the focusing lens. The reflector bearing seat is provided with a light through port. The white light emitted by the yellow ceramic fluorescent sheet irradiates the outside through the focusing lens, the light through port and the collimating lens.
Description
Technical Field
The utility model relates to a laser lighting field especially relates to a two laser lamp pipe headlamps.
Background
The automobile headlamp is also called as an automobile front illuminating lamp and an automobile daytime running lamp, and is used as an eye automobile headlamp of an automobile, so that the integral appearance image of the automobile is related, and the overall performance of the automobile can be better embodied. The automobile headlamp is a key component for ensuring safe driving of the automobile at night. With the continuous development of science and technology, automobile headlamps are also continuously improved, and the automobile illuminating lamps appearing in the current market are mainly divided into halogen automobile headlamp light sources, xenon automobile headlamp light sources, LED automobile headlamp light sources and laser automobile headlamp light sources. The laser automobile headlamp light source has the advantages of most of the LED automobile headlamp light sources, and is high in response speed, low in brightness attenuation degree, small in size, low in energy consumption and long in service life.
However, compared with the LED automobile headlight light source, the laser automobile headlight light source has a significant advantage in terms of volume, and the length of a single laser diode element can be 10 micrometers, which is only one hundredth of the size of a conventional LED element, which means that the size of the headlight of a conventional automobile can be greatly reduced as long as a designer wishes, which brings revolutionary changes to the design scale of each element on the front face of the automobile. However, with the diversified demands of the market, the luminous intensity of the traditional single-emitting light source cannot meet the lighting demands of specific occasions.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a double-laser-tube headlamp aiming at the technical problem that the luminous intensity of the traditional single-emission light source cannot meet the lighting requirement of a specific occasion.
A dual laser tube headlamp comprising: the device comprises a laser bearing seat, two blue laser emitters, a first reflector, a second reflector, a focusing lens, a yellow ceramic fluorescent sheet, a reflector bearing seat and a collimating lens; the two blue laser emitters, the focusing lens and the yellow ceramic fluorescent sheet are all connected with the laser bearing seat, and the reflector bearing seat is connected with the laser bearing seat; the first reflector and the second reflector are both connected with one surface of the reflector bearing seat close to the laser bearing seat; the collimating lens is connected with one surface of the reflector bearing seat far away from the laser bearing seat; the second reflector is provided with two incident light reflecting surfaces which are arranged at a certain angle; the optical axes of the blue laser emitted by the two blue laser emitters form an angle of 45 degrees with the reflecting surface of the first reflecting mirror; the second reflector and the first reflector are positioned on the same vertical line; the two light incident reflection surfaces form an angle of 45 degrees with the reflection surface of the first reflector; blue laser emitted by each blue laser emitter reaches one light incident reflection surface after being reflected by the first reflector; the yellow ceramic fluorescent sheet is arranged between the laser bearing seat and the focusing lens; the yellow ceramic fluorescent sheet is arranged on the optical axis of the focusing lens, and blue laser reflected by the two light incident reflection surfaces is converged on the yellow ceramic fluorescent sheet through the focusing lens; the reflector bearing seat is provided with a light through port; the white light emitted by the yellow ceramic fluorescent sheet irradiates the outside through the focusing lens, the light through port and the collimating lens.
In one embodiment, the double-laser-tube headlamp further comprises a window glass, and the window glass is arranged between the collimating lens and the laser bearing seat and connected with the laser bearing seat.
In one embodiment, a glass clamping groove is formed in one surface, close to the collimating lens, of the laser bearing seat, and the window glass is inserted into the glass clamping groove and connected with the laser bearing seat.
In one embodiment, the light inlet surface of the window glass is provided with an antireflection film.
In one embodiment, an antireflection film is arranged on the light emergent surface of the window glass.
In one embodiment, an emission groove is formed in one surface, close to the reflector bearing seat, of the laser bearing seat, and the two blue laser emitters are contained in the emission groove and connected with the reflector bearing seat.
In one embodiment, a focusing slot is formed in one surface of the laser bearing seat, which is close to the reflector bearing seat, and the focusing lens is inserted into the focusing slot and clamped with the reflector bearing seat.
In one embodiment, a fluorescent clamping groove is formed at the bottom of the focusing clamping groove, and the yellow ceramic fluorescent sheet is inserted into the fluorescent clamping groove and clamped with the reflector bearing seat.
In one embodiment, two reflector slots are formed in one surface of the reflector holder close to the laser holder, and the first reflector and the second reflector are respectively accommodated in one reflector slot and connected with the reflector holder.
According to the double-laser-tube headlamp, blue laser emitted by the two blue laser emitters is converged on the yellow ceramic fluorescent plate through the focusing lens through the first reflecting mirror and the second reflecting mirror, the blue laser irradiates the yellow ceramic fluorescent plate and excites yellow light, and the yellow light emitted by the yellow ceramic fluorescent plate and the blue laser are mixed to form white light. The white light irradiates to the outside from the collimating lens through the focusing lens and the light through port, so that the double laser emitters emit light together, the illumination intensity of the laser headlamp is increased, and the illumination effect of the laser headlamp is improved.
Drawings
FIG. 1 is a schematic structural diagram of a dual laser tube headlamp according to an embodiment;
FIG. 2 is a schematic view of an exploded structure of the headlamp with two laser tubes in the embodiment of FIG. 1;
FIG. 3 is a schematic view of the dual laser tube headlamp of FIG. 2 with another view angle;
FIG. 4 is a schematic diagram of light paths of a dual laser tube headlamp according to an embodiment;
FIG. 5 is a schematic diagram of a second mirror according to an embodiment.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 5, the present invention provides a dual laser lamp 10, the dual laser lamp 10 includes: the laser comprises a laser bearing seat 100, two blue laser emitters 200, a first reflecting mirror 300, a second reflecting mirror 400, a focusing lens 500, a yellow ceramic fluorescent sheet 600, a mirror bearing seat 700 and a collimating lens 800. The two blue laser emitters 200, the focusing lens 500 and the yellow ceramic fluorescent sheet 600 are all connected with the laser bearing seat 100, and the reflective mirror bearing seat 700 is connected with the laser bearing seat 100. The first reflector 300 and the second reflector 400 are both connected to a surface of the reflector holder 700 close to the laser holder 100. The collimating lens 800 is connected to a surface of the mirror holder 700 away from the laser holder 100. The second reflector 400 has two light incident reflecting surfaces 410, and the two light incident reflecting surfaces 410 are disposed at a certain angle. The optical axes of the blue laser lights emitted from the two blue laser emitters 200 are at an angle of 45 degrees with respect to the reflective surface of the first reflector 300. Second mirror 400 is positioned on the same vertical line as first mirror 300. Both entrance light reflecting surfaces 410 are at a 45 degree angle to the reflecting surface of the first reflector 300. The blue laser emitted by each blue laser emitter 200 is reflected by the first reflector 300 and reaches an incident light reflecting surface 410. The yellow ceramic fluorescent sheet 600 is disposed between the laser bearing holder 100 and the focusing lens 500. The yellow ceramic fluorescent sheet 600 is on the optical axis of the focusing lens 500, and the blue laser light reflected by the two light incident reflecting surfaces 410 is converged on the yellow ceramic fluorescent sheet 600 by the focusing lens 500. The mirror holder 700 is provided with a light opening 702. The white light emitted from the yellow ceramic fluorescent sheet 600 is irradiated to the outside through the focusing lens 500, the light passing port 702, and the collimating lens 800.
In the above-mentioned double-laser-tube headlamp 10, the blue laser emitted by the two blue laser emitters 200 is converged onto the yellow ceramic fluorescent sheet 600 through the first reflector 300 and the second reflector 400 and the focusing lens 500, the blue laser is emitted onto the yellow ceramic fluorescent sheet 600 to excite yellow light, and the yellow light emitted by the yellow ceramic fluorescent sheet 600 and the blue laser are mixed into white light. The white light irradiates to the outside from the collimating lens 800 through the focusing lens 500 and the light through port 702, so that the double laser emitters emit light together, the illumination intensity of the laser headlamp is increased, and the illumination effect of the laser headlamp is improved.
The laser bearing seat 100 is used for receiving the two blue laser emitters 200, the focusing lens 500 and the yellow ceramic fluorescent sheet 600, and specifically, the two blue laser emitters 200, the focusing lens 500 and the yellow ceramic fluorescent sheet 600 are all connected with the laser bearing seat 100. The mirror holder 700 is connected to the laser holder 100.
The first reflector 300 and the second reflector 400 are used for reflecting the blue laser emitted by the two blue laser emitters 200 onto the focusing lens 500, and specifically, the first reflector 300 and the second reflector 400 are both connected with one surface of the reflector holder 700 close to the laser holder 100. The second reflector 400 has two light incident reflecting surfaces 410, and the two light incident reflecting surfaces 410 are disposed at a certain angle. The optical axes of the blue laser lights emitted from the two blue laser emitters 200 are at an angle of 45 degrees with respect to the reflective surface of the first reflector 300. Second mirror 400 is positioned on the same vertical line as first mirror 300. In the present embodiment, the first reflector 300 is a right-angle triangular prism reflector. Both entrance light reflecting surfaces 410 are at a 45 degree angle to the reflecting surface of the first reflector 300. The blue laser emitted by each blue laser emitter 200 is reflected by the first reflector 300 and reaches an incident light reflecting surface 410. Blue laser light emitted by the two blue laser emitters 200 is reflected by the two light incident reflecting surfaces 410 and enters the focusing lens 500.
The focusing lens 500 is used for concentrating the blue laser light reflected by the two light incident reflecting surfaces 410 onto the yellow ceramic fluorescent sheet 600, in this embodiment, the yellow ceramic fluorescent sheet 600 is on the optical axis of the focusing lens 500, and the focusing lens 110 converges the blue laser light reflected by the two light incident reflecting surfaces 410 and emits the converged blue laser light onto the ceramic fluorescent sheet 300 to increase the efficiency of converting the blue laser light emitted by the blue laser emitter 200 into white light. In this embodiment, the focusing lens 110 is a transmissive focusing lens, which has a simple structure and few optical elements. The transmission focusing lens focuses the blue laser beams reflected by the two light incident reflecting surfaces 410 onto the yellow ceramic fluorescent sheet 600 along the axial direction, and the beams of the blue laser beams passing through the transmission focusing lens are easy to adjust and allow small deviations such as eccentricity of the laser beams, that is, allow the blue laser beams to enter the lens eccentrically or angularly offset. The focusing lens 110 is coated with a high transmittance optical film. In one embodiment, a focusing slot 102 is formed on a surface of the laser holder 100 close to the mirror holder 700, and the focusing lens 500 is inserted into the focusing slot 102 and is clamped with the laser holder 100.
The yellow ceramic fluorescent sheet 600 is used for converting the collected blue laser light into white light, and particularly, the yellow ceramic fluorescent sheet 600 is disposed between the laser bearing seat 100 and the focusing lens 500. The yellow ceramic fluorescent sheet 600 is arranged on the optical axis of the focusing lens 500, further, a fluorescent clamping groove 103 is arranged at the bottom of the focusing clamping groove 102, and the yellow ceramic fluorescent sheet 600 is inserted into the fluorescent clamping groove 103 and clamped with the reflector bearing seat 700. The blue laser light reflected by the two incident light reflecting surfaces 410 is focused on the yellow ceramic fluorescent sheet 600 by the focusing lens 500. The blue laser light is emitted to the yellow ceramic fluorescent sheet 600 to excite yellow light, and the yellow light emitted from the yellow ceramic fluorescent sheet 600 and the blue laser light are mixed to form white light.
The mirror holder 700 is used for receiving the first mirror 300 and the second mirror 400, and specifically, in one embodiment, two mirror slots 701 are formed in a surface of the mirror holder 700 close to the laser holder 100, and the first mirror 300 and the second mirror 400 are respectively received in one mirror slot 701 and connected to the mirror holder 700.
The collimating lens 800 is used for converting the white laser passing through the collimating lens 800 into parallel light, and specifically, the collimating lens 800 is connected with one surface of the mirror bearing seat 700 far away from the laser bearing seat 100. The mirror holder 700 is provided with a light opening 702. The white light emitted from the yellow ceramic fluorescent sheet 600 passes through the focusing lens 500, the light-passing port 702 and the collimating lens 800, and is integrated by the collimating lens 800 to become parallel light rays to be irradiated to the outside.
In order to increase the service life of the dual laser tube headlamp, please refer to fig. 2 to 4, in one embodiment, the dual laser tube headlamp 10 further includes a window glass 810, and the window glass 810 is disposed between the collimating lens 800 and the laser holder 100 and connected to the laser holder 100. Further, a glass clamping groove 703 is formed in one surface of the laser bearing seat 100, which is close to the collimating lens 800, and the window glass 810 is inserted into the glass clamping groove 703 and connected to the laser bearing seat 100. The window glass 810 is used to further seal the two blue laser emitters 200 and prevent external impurities from entering the interior of the twin-tube laser lamp, so as to increase the protection of the two blue laser emitters 200. In the present embodiment, the window glass 810 is a high temperature window glass, which has high transparency, stable chemical properties, special physical properties, high temperature resistance, and thermal shock resistance. The high temperature window glass is adapted to the working environment inside the laser lamp tube headlight, so that a user can observe the internal operation condition of the laser lamp tube headlight through the window glass 810. In one embodiment, the light entrance surface of the window glass 810 is provided with an antireflection film. In one embodiment, an antireflection film is arranged on the light emitting surface of the window glass 810 so as to further increase the passing performance of laser, reduce the weakening of the window glass 810 on the laser intensity, and improve the illumination intensity of the double-laser-tube headlamp. Thus, the window glass 810 increases the lifespan of the headlamp with the dual laser tubes.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A double laser tube headlight, comprising: the device comprises a laser bearing seat, two blue laser emitters, a first reflector, a second reflector, a focusing lens, a yellow ceramic fluorescent sheet, a reflector bearing seat and a collimating lens;
the two blue laser emitters, the focusing lens and the yellow ceramic fluorescent sheet are all connected with the laser bearing seat, and the reflector bearing seat is connected with the laser bearing seat; the first reflector and the second reflector are both connected with one surface of the reflector bearing seat close to the laser bearing seat; the collimating lens is connected with one surface of the reflector bearing seat far away from the laser bearing seat;
the second reflector is provided with two incident light reflecting surfaces which are arranged at a certain angle; the optical axes of the blue laser emitted by the two blue laser emitters form an angle of 45 degrees with the reflecting surface of the first reflecting mirror; the second reflector and the first reflector are positioned on the same vertical line; the two light incident reflection surfaces form an angle of 45 degrees with the reflection surface of the first reflector; blue laser emitted by each blue laser emitter reaches one light incident reflection surface after being reflected by the first reflector; the yellow ceramic fluorescent sheet is arranged between the laser bearing seat and the focusing lens; the yellow ceramic fluorescent sheet is arranged on the optical axis of the focusing lens, and blue laser reflected by the two light incident reflection surfaces is converged on the yellow ceramic fluorescent sheet through the focusing lens; the reflector bearing seat is provided with a light through port; the white light emitted by the yellow ceramic fluorescent sheet irradiates the outside through the focusing lens, the light through port and the collimating lens.
2. The headlamp of claim 1 further comprising a window glass disposed between the collimating lens and the laser mount and coupled to the laser mount.
3. The headlamp with two laser lamp tubes as defined in claim 2, wherein a glass slot is formed on a surface of the laser bearing seat near the collimating lens, and the window glass is inserted into the glass slot and connected to the laser bearing seat.
4. The headlamp with two laser tubes as defined in claim 2 wherein the light entrance surface of the window glass is provided with an antireflection film.
5. The headlamp with two laser tubes as defined in claim 2, wherein an antireflection film is disposed on the light emergent surface of the window glass.
6. The headlamp with two laser tubes as defined in claim 1 wherein a transmitting slot is formed on a surface of the laser bearing seat adjacent to the reflector bearing seat, and both of the two blue laser emitters are received in the transmitting slot and connected to the reflector bearing seat.
7. The headlamp with two laser lamp tubes as claimed in claim 1, wherein a focusing slot is formed on a surface of the laser bearing seat close to the reflector bearing seat, and the focusing lens is inserted into the focusing slot and is clamped with the reflector bearing seat.
8. The headlamp with two laser lamp tubes as claimed in claim 7, wherein a fluorescent clamping groove is formed at the bottom of the focusing clamping groove, and the yellow ceramic fluorescent sheet is inserted into the fluorescent clamping groove and clamped with the reflector bearing seat.
9. The headlamp with two laser tubes as defined in claim 1, wherein two reflector slots are formed on a side of the reflector holder close to the laser holder, and the first reflector and the second reflector are respectively received in one of the reflector slots and connected to the reflector holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197372.9U CN210601436U (en) | 2019-12-10 | 2019-12-10 | Double laser lamp tube headlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197372.9U CN210601436U (en) | 2019-12-10 | 2019-12-10 | Double laser lamp tube headlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210601436U true CN210601436U (en) | 2020-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922197372.9U Active CN210601436U (en) | 2019-12-10 | 2019-12-10 | Double laser lamp tube headlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210601436U (en) |
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2019
- 2019-12-10 CN CN201922197372.9U patent/CN210601436U/en active Active
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