Vehicle lighting lamp capable of adjusting color temperature
Technical Field
The utility model relates to an illumination lamps and lanterns technical field, in particular to vehicle illumination lamps and lanterns of adjustable colour temperature.
Background
In traditional vehicle illumination lamps and lanterns, be provided with lamp pearl and anti-light cup in the illumination lamps and lanterns, anti-light cup's reflection of light face is equipped with the plating layer usually, and the plating layer has the effect of spotlight, can reduce light energy loss, and the light passes through anti-light cup and realizes the effect of spotlight illumination. However, the light-gathering illuminating lamp is realized by the light-reflecting cup, the heat of the light source can cause the light-reflecting cup to be heated for a long time, the temperature in the illuminating lamp is easy to rise, so that an electroplated layer of the light-reflecting cup is yellow and falls off, the light-gathering effect of the light-reflecting cup is lost, the light-emitting effect and the service life of the LED illuminating lamp are influenced, the traditional traffic illuminating lamp at present only has a single light color, the light color and the brightness are not adjusted enough, different weather conditions cannot be met, and certain potential safety hazards are easily brought to driving.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vehicle illumination lamps and lanterns of adjustable colour temperature aims at solving current light and has only a single photochromic, and photochromic and luminance are adjusted inadequately, can not deal with different weather conditions, bring the technical problem of certain potential safety hazard for the driving easily.
In order to achieve the above object, the utility model provides a vehicle lighting lamp with adjustable color temperature, which comprises a lens, a lens mounting rack, a rear housing, a circuit board, a plurality of light sources, a light guide plate and a high-low beam switching component, wherein the front end of the lens mounting rack is provided with a through hole matched with the outline of the lens, the lens is embedded in the front end of the through hole, the rear end of the lens mounting rack is detachably and fixedly connected with the front end of the rear housing, the light sources, the light guide plate and the high-low beam switching component are all arranged in the rear housing, the peripheral wall of the rear housing is convexly provided with a plurality of heat dissipation fins, the circuit board is arranged at the back side of the light guide plate at intervals, the plurality of light sources are arranged on the front end face of the circuit board in a matrix manner, the front end wall of the light guide plate is convexly provided with a, and it is a plurality of the light source is in respectively spaced setting the dorsal part of light conductor, far and near light switch module is including the piece that is in the light, just the piece that is in the light is the arc setting, just the setting that the piece that is in the light can the tilting is in the place ahead of light guide plate, each the light source all includes the LED lamp pearl of two different colour temperatures, through adjusting two the electric current size of LED lamp pearl, in order to adjust the colour temperature of light source with luminance, the light of light source passes through respectively behind the light conductor refraction, converge and follow lens jets out for the illumination.
Furthermore, two LED lamp beads respectively adopt a low color temperature LED lamp bead of 3000K and a high color temperature LED lamp bead of 6500K.
Further, the light guide bodies are all arranged in an aspheric surface mode.
Further, the light guide plate is integrally formed by injection molding of a high-temperature-resistant PMMA material.
Furthermore, a groove is concavely arranged on the back side wall of the light guide plate, and the light sources are all positioned in the groove.
Further, the distance from the front end face of the light source to the back side wall of the light guide plate is 0.7 mm.
Further, far and near light switches subassembly still includes mounting panel, linear electric motor and drive shaft, the vertical setting of mounting panel is in the place ahead of light guide plate, the rotatable setting of light blocking piece is in the top of the front end wall of mounting panel, the vertical setting of linear electric motor is in the below of the front end wall of mounting panel, the both ends of drive shaft respectively with light blocking piece fixed connection, linear electric motor's output shaft with drive shaft fixed connection, just linear electric motor's output shaft with the drive shaft setting of being mutually perpendicular.
Further, still include radiator fan, radiator fan sets up in the last endwall of back casing.
Furthermore, a plurality of limiting bulges are convexly arranged on the inner peripheral wall of the front end part of the through hole, and the rear end wall of the lens is respectively abutted to the limiting bulges.
The light guide plate is arranged above the arc-shaped reflecting surface, and a plurality of radiating fins are convexly arranged on the outer side wall of the reflecting cup.
Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, be the setting of matrix arrangement through a plurality of light sources on the preceding terminal surface of circuit board, the protruding a plurality of light conductors that are equipped with of the front end wall of light guide plate, a plurality of light sources are the dorsal part of spaced setting at the light conductor respectively, far and near light switching component includes the light blocking piece, and the setting that can rotate from top to bottom of light blocking piece is in the place ahead of light guide plate, each light source all includes two LED lamp pearls of different colour temperatures, through adjusting the electric current size of two LED lamp pearls, in order to adjust the colour temperature and the luminance of light source, and a plurality of light sources pass through the optical refraction of light conductor, pass through the light blocking board and assemble and emit from the lens again, for the illumination, the optical characteristic of light conductor makes the light form after the light refraction of light source satisfy ECER112 Class B regulation (car light optical regulation), traditional reflection of light cup spotlight has been replaced through the, the precision of moulding plastics reaches 0.003 micron, optics uniformity is high, the far-reaching headlamp can adopt luminous cup as independent light source, luminance is higher, the luminance requirement is far above national standard GB 25991's requirement, and drive the light barrier through linear electric motor and realize switching at any time of far and near light, compare and adopt traditional light, it is even to have luminance, the penetrating power is strong, light scatters and disappears advantages such as little, the light source is clear visible, it is safer to drive at night, and the colour temperature and the luminance of light source can be according to weather conditions manual or automatically regulated, thereby can effectively deal with the illumination demand under the different climates, effectively improve and drive and make safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a vehicle lighting lamp with adjustable color temperature according to an embodiment of the present invention;
fig. 2 is a schematic view of another perspective overall structure of a color temperature adjustable vehicle lighting device according to an embodiment of the present invention;
fig. 3 is an exploded view of a vehicle lighting device with adjustable color temperature according to an embodiment of the present invention;
fig. 4 is a schematic view of an assembly structure of a light guide plate, a circuit board and a light source of a color temperature adjustable vehicle lighting device according to an embodiment of the present invention;
fig. 5 is an exploded schematic view of a light guide plate, a circuit board and a light source of a color temperature adjustable vehicle lighting device according to an embodiment of the present invention;
fig. 6 is an exploded schematic view of another viewing angle of the light guide plate, the circuit board and the light source of the color temperature adjustable vehicle lighting device according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a vehicle lighting lamp of adjustable colour temperature.
As shown in fig. 1 to 6, in an embodiment of the present invention, the vehicle lighting lamp with adjustable color temperature includes a lens 100, a lens mounting bracket 200, a rear housing 300, a circuit board 400, a plurality of light sources 500, a light guide plate 600 and a high-low beam switching assembly 700, a through hole 201 adapted to an outer contour of the lens 100 is formed at a front end of the lens mounting bracket 200, the lens 100 is embedded in the front end of the through hole 201, a rear end of the lens mounting bracket 200 is detachably and fixedly connected to the front end of the rear housing 300, the light sources 500, the light guide plate 600 and the high-low beam switching assembly 700 are all disposed in the rear housing 300, a plurality of heat dissipation fins 301 are protruded from the rear housing 300, the circuit board 400 is disposed at a back side of the light guide plate 600 at intervals, and the plurality of light sources 500 are disposed in a matrix arrangement on a front end face of the circuit board 400, the protruding a plurality of light conductors 601 that are equipped with of front end wall of light guide plate 600, and a plurality of light source 500 is in respectively spaced setting the dorsal part of light conductor 601, far and near light switching assembly 700 is including the piece 701 that is in the light, just the piece 701 that is in the light is the arc setting, through the setting that the piece 701 that is in the light can upper and lower pivoted is in the place ahead of light guide plate 600 to switch distance beam and passing light, each light source 500 all includes the LED lamp pearl 501 of two different colour temperatures, through adjusting two the electric current size of LED lamp pearl 501, in order to adjust the colour temperature and the luminance of light source 500, the light of light source 500 passes through respectively behind light conductor 601 refraction, assemble and follow lens 100 jets out for the illumination.
Specifically, two LED lamp beads 501 respectively adopt one 3000K low color temperature LED lamp bead and one 6500K high color temperature LED lamp bead, color mixing is performed according to the colors of two LED lamps, color mixing is uniform, color rendering is good, the brightness and color temperature of a light source can be adjusted as required, and color cast can be effectively reduced.
Specifically, the light guide body 601 is arranged in an aspheric surface mode, so that light rays emitted by the light source are uniform and do not diverge, high brightness is guaranteed, normal driving of other drivers on a road surface cannot be affected, and the light type meets the requirement of the rule ECE R112Class B due to the aspheric surface of the light guide body 601.
Specifically, the light guide plate 600 is integrally formed by injection molding of a high-temperature-resistant PMMA material, and the injection molding precision is 0.003 micron.
Specifically, the back side wall of the light guide plate 600 is concavely provided with a groove 602, and the light sources 500 are all positioned in the groove 602, so that the light shielding effect is achieved, the utilization rate of the light sources is improved, and the energy saving and consumption reduction are realized.
Specifically, the distance from the front end surface of the light source 500 to the back side wall of the light guide plate 600 is 0.7 mm.
Specifically, the high-beam and low-beam switching assembly 700 further includes a mounting plate 702, a linear motor 703 and a driving shaft 704, the mounting plate 702 is vertically disposed in front of the light guide plate 600, the light blocking sheet 701 is rotatably disposed above a front end wall of the mounting plate 702, the linear motor 703 is vertically disposed below the front end wall of the mounting plate 702, two ends of the driving shaft 704 are respectively and fixedly connected to the light blocking sheet 701, an output shaft of the linear motor 703 is fixedly connected to the driving shaft 704, and the output shaft of the linear motor 703 and the driving shaft 704 are perpendicular to each other.
Specifically, the heat dissipation device further includes a heat dissipation fan 800, and the heat dissipation fan 800 is disposed on the upper end wall of the rear housing 300, so that the heat dissipation performance is improved, and the service life is prolonged.
Specifically, a plurality of limiting protrusions 202 are convexly arranged on the inner peripheral wall of the front end portion of the through hole 201, and the rear end wall of the lens 100 is respectively abutted to the limiting protrusions 202, so that the lens is convenient to mount and assemble.
Specifically, the rear shell further comprises a light reflecting cup 900, the light reflecting cup 900 is arranged on the lower end wall of the rear shell 300, an arc light reflecting surface 901 is arranged at the upper end of the light reflecting cup 900, the light guide plate 600 is arranged above the arc light reflecting surface 901, a plurality of radiating fins 902 are convexly arranged on the outer side wall of the light reflecting cup 900, the high beam can adopt a light emitting cup as an independent light source, the brightness is higher, the brightness requirement is far higher than that of the national standard GB25991, and the night driving is safer.
Specifically, the utility model discloses a setting that a plurality of light sources are arranged in the matrix is on the preceding terminal surface of circuit board, the protruding a plurality of light conductors that are equipped with of the preceding end wall of light guide plate, a plurality of light sources are the dorsal part that sets up at the light conductor respectively at interval, far and near light switching component includes the light blocking piece, and the setting that can rotate from top to bottom of light blocking piece is in the place ahead of light guide plate, each light source all includes two LED lamp pearls of different colour temperatures, through adjusting the electric current size of two LED lamp pearls, in order to adjust the colour temperature and the luminance of light source, and a plurality of light sources pass through the optical refraction of light conductor, pass through the light blocking board and assemble and emit from the lens again, for the illumination light conductor, the optical characteristic makes the light form that satisfies ECE R112Class B regulation after the light refraction of light source, traditional reflection of cup spotlight has been replaced through the light guide plate, the precision of moulding plastics reaches 0.003 micron, optics uniformity is high, the far-reaching headlamp can adopt luminous cup as independent light source, luminance is higher, luminance requirement is far above national standard GB 25991's requirement, and drive the light barrier through linear electric motor and realize switching at any time of far and near light, compare and adopt traditional light, it is even to have luminance, the penetrating power is strong, light scatters and disappears advantages such as little, the light source high-usage, the heat that produces is few, the light source is clear visible, it is safer to drive night, and the colour temperature and the luminance of light source can be according to weather conditions manual or automatically regulated, thereby can effectively deal with the illumination demand under the different climates, effectively improve and drive and make safety.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.