CN208687632U - A kind of lighting device - Google Patents
A kind of lighting device Download PDFInfo
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- CN208687632U CN208687632U CN201821494664.8U CN201821494664U CN208687632U CN 208687632 U CN208687632 U CN 208687632U CN 201821494664 U CN201821494664 U CN 201821494664U CN 208687632 U CN208687632 U CN 208687632U
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- light source
- mould group
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- distance
- lighting device
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Abstract
The utility model discloses a kind of lighting devices, comprising: dipped beam mould group, including low beam light source and the first heat-sink unit, low beam light source include at least one LED light source and reflector corresponding with LED light source；Distance light mould group positioned at the front of dipped beam mould group, and is located at the top of the emergent ray of dipped beam mould group, including high-beam light source and the second heat-sink unit；It further include the collimator lens unit that dipped beam mould group and distance light mould group rear are set to along optical path, collimator lens unit includes and the corresponding sidelight lens of the emergent ray of low beam light source and distance light lens corresponding with the emergent ray of high-beam light source, and sidelight lens and distance light lens are integrally formed.By by distance light mould group and dipped beam mould splits from and heat-sink unit being respectively set and radiates, can effectively disperse heat, improve radiating efficiency and service life.The light that high-beam light source issues directly passes through distance light collimated and is emitted, no setting is required reflector, reduces and loses light because of the reflection of reflector, further improves efficiency.
Description
Technical field
The utility model relates to lighting technical fields, and in particular to a kind of lighting device.
Background technique
Existing car headlamp is usually all halogen lamp, xenon lamp or LED light, however halogen lamp and xenon lamp not only body
Product is big, and photoelectric conversion efficiency is lower, and beam divergence angle is big, causes light intensity lower, limits illumination distances.Although and LED light phase
It increases to the photoelectric conversion efficiency of halogen lamp and xenon lamp, but the angle of divergence is difficult to control within 10 °, and in order to improve
Illumination distances, it is necessary to plurality of LEDs be improved into output power by the way of array, to substantially increase device volume, weight
With the difficulty of pH effect, and illumination distances can not meet actual needs in high beam mode.
Laser (semiconductor laser diode) light source has many advantages, such as that energy concentration, irradiation distance are remote, utilizes laser excitation
The point light source of phosphor technologies (long-distance fluorescent powder technology) available super brightness, the point light source can be used in some with special
It is required that lighting area.Since the brightness of laser light source is high, energy is concentrated, collimation is high, in the application of car headlamp
In especially under low beam mode have limitation, be not able to satisfy the needs of practical application, and due to the automobile of distance-light one
Headlamp calorific value is big, and radiating rate is slow, is easy to cause car light internal temperature to increase, reduces its service life.
Utility model content
The utility model aiming at the problems existing in the prior art, provides that a kind of radiating rate is fast, occupies small in size, effect
The high lighting device of rate.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of lighting device characterized by comprising
Dipped beam mould group, including low beam light source and the first heat-sink unit, the low beam light source include at least one LED light source and
Reflector corresponding with the LED light source；
Distance light mould group positioned at the front of the dipped beam mould group, and is located at the top of the emergent ray of dipped beam mould group, including remote
Radiant and the second heat-sink unit；
It further include the collimator lens unit that the dipped beam mould group and distance light mould group rear are set to along optical path, the collimation lens
Unit include and the corresponding sidelight lens of the emergent ray of low beam light source and distance light corresponding with the emergent ray of high-beam light source it is saturating
Mirror, the sidelight lens and distance light lens are integrally formed.
Further, the high-beam light source includes laser light source and the LED light source positioned at the laser light source two sides.
Further, the distance light lens include and the laser light source and the one-to-one collimation lens of LED light source.
Further, the laser light source includes laser diode and transmission-type phosphor sheet.
Further, the high-beam light source includes three LED light sources being arranged successively.
Further, the distance light lens include and the one-to-one collimation lens of the LED light source.
Further, it is seamlessly connected between the collimation lens.
Further, the collimator lens unit further includes the installation enclosed set on the sidelight lens and distance light lens periphery
Plate.
Further, the dipped beam mould group further includes barn door corresponding with the light-emitting window of the reflector.
Lighting device provided by the utility model, comprising: dipped beam mould group, including low beam light source and the first heat-sink unit, institute
Stating low beam light source includes at least one LED light source and reflector corresponding with the LED light source；Distance light mould group is located at described close
The front of optical mode group, and it is located at the top of the emergent ray of dipped beam mould group, including high-beam light source and the second heat-sink unit；Further include
The collimator lens unit of the dipped beam mould group and distance light mould group rear is set to along optical path, the collimator lens unit includes and dipped beam
The corresponding sidelight lens of the emergent ray of light source and distance light lens corresponding with the emergent ray of high-beam light source, the sidelight lens
It is integrally formed with distance light lens.By the way that from setting, and corresponding heat-sink unit is respectively set in distance light mould group and dipped beam mould splits
It is individually radiated, can effectively disperse heat, improve the service life of radiating efficiency and light source.Distance light mould group is located at dipped beam mould
The front upper place of group, will not block the emergent ray of dipped beam mould group, and be effectively utilized space, and occupancy is small in size, furthermore distance light light
The light that source issues directly passes through distance light collimated and is emitted, no setting is required reflector, reduces and damages because of the reflection of reflector
Loss of gloss line, further improves the efficiency of headlamp, and collimator lens unit is higher compared to the center illumination of reflector, irradiation away from
From farther, the utilization rate and far lighting effect of light source are improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model lighting device；
Fig. 2 is the structural schematic diagram of one specific embodiment of the utility model distance light mould group；
Fig. 3 is the structural schematic diagram of one specific embodiment of the utility model collimator lens unit.
It is as shown in the figure: 10, dipped beam mould group；110, low beam light source；111, LED light source；112, reflector；120, the first heat dissipation
Unit；20, distance light mould group；210, high-beam light source；220, the second heat-sink unit；211, laser light source；30, collimator lens unit；
310, sidelight lens；320, distance light lens；321, collimation lens；330, mounting plate.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing:
As shown in Figure 1, the utility model provides a kind of lighting device, comprising:
Dipped beam mould group 10, including low beam light source and the first heat-sink unit 120, the low beam light source include at least one LED
Light source 111 and reflector 112 corresponding with the LED light source 111.Specifically, in the present embodiment, the first heat-sink unit 120
Below low beam light source, LED light source 111 can be connect with the first heat-sink unit 120 by substrate, heat Quick diffusing is gone out
It goes, certain first heat-sink unit 120 can also be located at the side of low beam light source, be carried out heat derives fastly by thermally conductive substrate
Speed heat dissipation.LED light source 111 is equipped with 2~4 in usual low beam light source, naturally it is also possible to and it is more, it is set according to actual needs
Meter, as shown in Figure 1, the light of the sending of LED light source 111 forward downward after the reflection of reflector 112 is emitted, it is forward and backward in text
Side refers to the front along optical path direction, rear, for clearer description, is not limited effect.
Distance light mould group 20 positioned at the front of the dipped beam mould group 10, and is located at the top of the emergent ray of dipped beam mould group 10,
Including high-beam light source 210 and the second heat-sink unit 220；Specifically, due to the light forward downward outgoing that dipped beam mould group 10 is emitted,
Therefore distance light mould group 20 is set to the front of dipped beam mould group 10, and be located at the top of the emergent ray of dipped beam mould group 10, thus not
Can block dipped beam mould group 10 outgoing light, distance light mould group 20 be emitted light from top be emitted, formed far lighting, dipped beam and
The light of distance light is independent of each other.It should be noted that high-beam light source 210 can be installed on the preferable substrate of heating conduction, so
It is connect afterwards with the second heat-sink unit 220, the heat transfer for being generated light source by substrate carries out scattered to the second heat-sink unit 220
Heat.
The headlamp further includes the collimator lens unit that 20 rear of the dipped beam mould group 10 and distance light mould group is set to along optical path
30, the collimator lens unit 30 include with the corresponding sidelight lens 310 of light of low beam light source outgoing and with high-beam light source 210
The corresponding distance light lens 320 of emergent ray, the sidelight lens 310 and distance light lens 320 are integrally formed.Specifically, dipped beam
Lens 310 are corresponding with the light that low beam light source is emitted, and for collimating to dipped beam light, form the dipped beam for meeting regulation shape
Hot spot, the light that distance light lens 320 are used to issue high-beam light source 210 collimate, and form the distance light light for meeting regulation shape
Spot.
As shown in Fig. 2, the high-beam light source 210 is including laser light source 211 and positioned at 211 two sides of laser light source
LED light source 111.Preferably, the distance light lens 320 include one-to-one with the laser light source 211 and LED light source 111
Collimation lens 321.The laser light source 211 includes that laser diode and transmission-type phosphor sheet, the two are packaged together, laser
Fluorescence is inspired after the laser projection to transmission-type phosphor sheet of diode outgoing, ultimately forms white light from far from laser diode
Side outgoing, project on corresponding collimation lens 321, by assigned direction outgoing.Specifically, three collimation lenses 321
Size determines that the collimation of laser light source 211 is compared with LED light source 111 according to the spot size of laser light source 211 and LED light source 111
Good, spot size is also smaller, and the size of corresponding collimation lens 321 can be smaller than the corresponding collimation lens of LED light source 111, when
So can also be identical, it is selected as needed, herein without limitation.Three collimation lenses 321 shown in Fig. 3 in the present embodiment
Size is identical.In addition, be seamlessly connected between three collimation lenses 321, in case veiling glare is emitted, to improve illuminating effect.
In another embodiment, the high-beam light source 210 includes three LED light sources 111 being arranged successively.The distance light lens
320 include with the one-to-one collimation lens 321 of the LED light source 111, the power of three LED light sources 111 can it is identical also with
The size of difference, corresponding collimation lens 321 also may be the same or different, and is selected, is not limited as needed herein
System.Similarly, it is seamlessly connected between three collimation lenses 321, in case veiling glare is emitted, to improve illuminating effect.
Preferably, the collimator lens unit 30 further includes the mounting plate enclosed set on the 310 lens periphery of sidelight lens
330, for the installation of collimator lens unit 30 to be fixed, damage lens are avoided and influences optical path and illuminating effect, this implementation
In example, mounting plate 330 and sidelight lens 310, distance light lens 320 are integrally formed, and intensity is high, easy to make.
Preferably, the dipped beam mould group 10 further include barn door corresponding with the light-emitting window of the reflector 112 (in figure not
It marks).Specifically, the top edge side of barn door has protrusion, by the light that reflector 112 reflects after the barn door
Form the lower beam illumination hot spot for meeting national standard.
In conclusion lighting device provided by the utility model, comprising: dipped beam mould group 10, including low beam light source 110 and
One heat-sink unit 120, the low beam light source 110 include at least one LED light source 111 and corresponding with the LED light source 111 anti-
Light bowl 112；Distance light mould group 20 positioned at the front of the dipped beam mould group 10, and is located at the top of the emergent ray of dipped beam mould group 10,
Including high-beam light source 210 and the second heat-sink unit 220；The headlamp further includes being set to the dipped beam mould group 10 and distance light along optical path
The collimator lens unit 30 at 20 rear of mould group, the collimator lens unit 30 include corresponding with the emergent ray of low beam light source 110
Sidelight lens 310 and distance light lens 320 corresponding with the emergent ray of high-beam light source 20, the sidelight lens 310 and distance light
Lens 320 are integrally formed.By the way that distance light mould group 20 and dipped beam mould group 10 is separately positioned, and corresponding heat-sink unit is respectively set
It is individually radiated, can effectively disperse heat, improve the service life of radiating efficiency and light source.Distance light mould group 20 is located at dipped beam
The front upper place of mould group 10, will not block the emergent ray of dipped beam mould group, and be effectively utilized space, and occupancy is small in size, furthermore far
The light that radiant 210 issues directly passes through the collimation outgoing of distance light lens 320, and no setting is required reflector is reduced because of reflector
Reflection and lose light, further improve the efficiency of headlamp, and using collimator lens unit 30 compared in reflector
Understand without being told Du Genggao, and irradiation distance is farther, improves the utilization rate and far lighting effect of light source.
Although the embodiments of the present invention is illustrated in specification, these embodiments are intended only as mentioning
Show, should not limit the protection scope of the utility model.Various omissions are carried out in the range of not departing from the utility model aims, are set
It changes and change should be included in the protection scope of the utility model.
Claims (9)
1. a kind of lighting device characterized by comprising
Dipped beam mould group, including low beam light source and the first heat-sink unit, the low beam light source include at least one LED light source and with institute
State the corresponding reflector of LED light source；
Distance light mould group positioned at the front of the dipped beam mould group, and is located at the top of the emergent ray of dipped beam mould group, including distance light light
Source and the second heat-sink unit；
It further include the collimator lens unit that the dipped beam mould group and distance light mould group rear are set to along optical path, the collimator lens unit
Including and low beam light source the corresponding sidelight lens of emergent ray and distance light lens corresponding with the emergent ray of high-beam light source, institute
It states sidelight lens and distance light lens is integrally formed.
2. lighting device according to claim 1, which is characterized in that the high-beam light source include laser light source and be located at institute
State the LED light source of laser light source two sides.
3. lighting device according to claim 2, which is characterized in that the distance light lens include with the laser light source and
The one-to-one collimation lens of LED light source.
4. lighting device according to claim 2, which is characterized in that the laser light source includes laser diode and transmission
Type phosphor sheet.
5. lighting device according to claim 1, which is characterized in that the high-beam light source includes three be arranged successively
LED light source.
6. lighting device according to claim 5, which is characterized in that the distance light lens include and the LED light source one
One corresponding collimation lens.
7. the lighting device according to claim 3 or 5, which is characterized in that be seamlessly connected between the collimation lens.
8. lighting device according to claim 1, which is characterized in that the collimator lens unit further includes enclosing set on described
The mounting plate of sidelight lens and distance light lens periphery.
9. lighting device according to claim 1, which is characterized in that the dipped beam mould group further includes and the reflector
The corresponding barn door of light-emitting window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494664.8U CN208687632U (en) | 2018-09-13 | 2018-09-13 | A kind of lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494664.8U CN208687632U (en) | 2018-09-13 | 2018-09-13 | A kind of lighting device |
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| Publication Number | Publication Date |
|---|---|
| CN208687632U true CN208687632U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821494664.8U Active CN208687632U (en) | 2018-09-13 | 2018-09-13 | A kind of lighting device |
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| Country | Link |
|---|---|
| CN (1) | CN208687632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140376A (en) * | 2018-09-13 | 2019-01-04 | 苏州晶清光电科技有限公司 | A kind of lighting device |
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2018
- 2018-09-13 CN CN201821494664.8U patent/CN208687632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140376A (en) * | 2018-09-13 | 2019-01-04 | 苏州晶清光电科技有限公司 | A kind of lighting device |
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