CN210740272U - Near light unit and near light assembly thereof - Google Patents
Near light unit and near light assembly thereof Download PDFInfo
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- CN210740272U CN210740272U CN201921357347.6U CN201921357347U CN210740272U CN 210740272 U CN210740272 U CN 210740272U CN 201921357347 U CN201921357347 U CN 201921357347U CN 210740272 U CN210740272 U CN 210740272U
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- light control
- light source
- circuit board
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Abstract
The utility model discloses a short-distance beam unit and short-distance beam subassembly thereof, the circuit board with reflector fixed connection, the light source with circuit board electric connection, accuse light lens arrange in on the circuit board, the cross section of accuse light lens is fish-mouth-shaped structure, incident surface, first plane of reflection and emitting surface have on the accuse light lens, the quantity of accuse light lens is two at least, at least one accuse light lens is 0 ~ 15 with the perpendicular contained angle. The purposes of reducing the production cost of the dipped headlight and improving the lighting effect are achieved.
Description
Technical Field
The utility model relates to a car light technical field, concretely relates to short-distance beam unit and short-distance beam subassembly thereof.
Background
The dipped headlight of car is used for the illumination to the road of driving a vehicle at night, is favorable to the driver to see the place ahead road clearly, guarantees driving safety, but the manufacturing cost of current dipped headlight is high, illuminating effect is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the LED lamp comprises a circuit board, a light source, a light control lens and a reflector,
the circuit board is fixedly connected with the reflecting cover, the light source is electrically connected with the circuit board, the light control lens is arranged on the circuit board and is arranged on one side of the light source, which is far away from the circuit board, the cross section of the light control lens is of a fish mouth-shaped structure, the light control lens is provided with an incident surface, a first reflecting surface and an emergent surface, light is emitted by the light source, the light reaches the reflecting cover through the incident surface, the first reflecting surface and the emergent surface, the reflecting cover is provided with a second reflecting surface, and the second reflecting surface is used for emitting the light emitted out of the light control lens to a front illumination area;
the number of the light control lenses is at least two, and the included angle between at least one light control lens and the vertical plane is 0-15 degrees.
The central line of the light source is parallel to the central line of the light control lens, the central line of the light source is positioned above the central line of the light control lens, and the lower line of the light source is superposed with the central line of the light control lens.
The light source is one or more of an LED light source, an OLED light source and a xenon light source.
The incident surface is provided with a plurality of extinction grooves, the cross sections of the extinction grooves are of arc structures, and the extinction grooves are uniformly distributed on the incident surface.
The number of the light control lenses is two, each light control lens is uniformly distributed on the circuit board, and an included angle between one light control lens and a vertical plane is 15 degrees.
The number of the light control lenses is two, each light control lens is uniformly distributed on the circuit board, and the included angle between each two light control lenses and the vertical plane is 0 degree.
The number of the light control lenses is four, each light control lens is uniformly distributed on the circuit board, and included angles between all the light control lenses and a vertical plane are set to be 0 degree.
The utility model also provides a short-distance beam subassembly, including short-distance beam unit and radiator, the radiator with reflector fixed connection, and be located the reflector is kept away from the one end of circuit board.
The beneficial effects of the utility model are embodied in: the first reflection does not need to be coated with a film, the incident surface and the first reflection can carry out total reflection on the light emitted by the light source, the production cost is reduced, the light shape can be enlarged, the illumination intensity is improved, and therefore the illumination effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.
Fig. 1 is a schematic view of the internal structure of the low beam assembly of the present invention.
Fig. 2 is a low beam spot diagram of the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of another embodiment of the present invention.
In the drawing, 100-near light unit, 200-near light component, 10-reflector, 20-circuit board, 30-light source, 40-light control lens, 41-incidence surface, 411-extinction groove, 42-first reflection, 43-emergence surface and 50-radiator.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the first example of the present embodiment, as shown in fig. 1, 2 and 3:
the utility model provides a short-distance beam unit 100, short-distance beam unit 100 includes circuit board 20, light source 30, accuse light lens 40 and reflector 10, circuit board 20 with reflector 10 fixed connection, light source 30 with circuit board 20 electric connection, accuse light lens 40 is arranged in on the circuit board 20, and place in the aforesaid the light source 30 keeps away from one side of circuit board 20, the cross section of accuse light lens 40 is fish-mouth-shaped structure, have incident surface 41, first plane of reflection 42 and emergent surface 43 on the accuse light lens 40, light by light source 10 sends, through incident surface 41, first plane of reflection 42, emergent surface 43, light arrives reflector 10, reflector 10 has the second plane of reflection, the second plane of reflection is used for will emiting out the light of accuse light lens 40 to the place ahead illumination area; the number of the light control lenses 40 is at least two, and the included angle between at least one light control lens and the vertical plane is 0-15 degrees.
The light source 30 is one or more of an LED light source, an OLED light source, and a xenon light source, and the incident surface 41 has an extinction groove 411. The cross section of the extinction groove 411 is of an arc-shaped structure. The number of the extinction grooves 411 is plural, and the plurality of extinction grooves 411 are uniformly distributed on the incident surface 41. The number of the light control lenses 40 is two, each light control lens 40 is uniformly distributed on the circuit board 20, and an included angle between at least one light control lens 40 and a vertical plane is 15 degrees.
The central line of the light source 30 is parallel to the central line of the light control lens 40, the central line of the light source 30 is located above the central line of the light control lens 40, and the lower line of the light source 30 is coincident with the central line of the light control lens 40. Of course, it can be understood that, if the circumstances allow, the position of the light control lens 40 can be properly adjusted to generate an offset with the light control lens 40, so as to adjust the effect of the light path.
In this embodiment, the light source 30 is an LED light source, the cross section of the light control lens 40 is configured in a fish-mouth shape, when the circuit board 20 controls the light source 30 to operate and emit light, the light of the light source 30 is incident on the light control lens 40, when the incident surface 41 of the light control lens 40 receives the light, the light is then mapped to the first reflection 42, since the incident surface 41 is formed by an optically dense medium, the first reflection 42 is formed by an optically thinner medium, when the incident surface 41 maps the light to the first reflection 42, the light forms an incident angle with a normal on the incident surface 41, and is mapped on the first reflection 42, and forms a refraction angle with a normal on the first reflection 42, when the refraction angle is 90 °, no refraction light is generated on the first reflection 42, and only reflection light is generated, therefore, total reflection is formed between the incident surface 41 and the first reflection 42 without coating the first reflection 42, and total reflection is also formed between the incident surface 41 and the first reflection 42, so that the production cost is saved, then the totally reflected light is totally reflected to the emergent surface 43, then the light is reflected to the reflecting shade 10 through the emergent surface 43, and the reflecting shade 10 reflects the light to form low-beam irradiation.
The two light control lenses 40 are arranged on the circuit board 20, one of the light control lenses 40 is arranged at an inclined angle of 15 degrees with respect to the axial line of the circuit board 20, and the other light control lens 40 is arranged in parallel with the axial line of the circuit board 20, so that when the light source 30 passes through the light control lens 40 arranged in parallel with the axial line of the circuit board 20, the light of the light source 30 can be at a certain height, and has a clear and obvious cut-off line when being emitted to a road surface, and in addition, when the light control lens 40 arranged at an inclined angle of 15 degrees with respect to the axial line of the circuit board 20 is matched, the width of the light emitted to the road is increased, the light shape is enlarged, the illumination intensity is also improved, and the illumination effect is improved. Meanwhile, the incident surface 41 is provided with a plurality of extinction grooves 411, the cross section of each extinction groove 411 is arranged in an arc structure, and the plurality of extinction grooves 411 are arranged so that light emitted from the light source 30 to the incident surface 41 can be scattered to perform extinction processing, thereby improving the illumination effect of the dipped beam unit 100, each light control lens 40 is provided with two mounting holes which are arranged oppositely, and each mounting hole is penetrated through by a bolt and is in threaded connection with the circuit board 20, so that people can conveniently mount and dismount the light control lens 40.
The low beam assembly 200 comprises the low beam unit 100 and the heat sink 50, the heat sink 50 is electrically connected to the circuit board 20, since the light source 30 emits light, a large amount of heat is generated on the light source 30 and the reflector 10, the heat sink 50 can perform heat dissipation treatment on the light source 30 and the reflector 10, and the light source 30 is prevented from being damaged due to overhigh temperature.
In a second example of the present embodiment, as shown in fig. 1, 2 and 4:
the utility model also provides a short-distance beam unit 100, short-distance beam unit 100 includes circuit board 20, light source 30, accuse light lens 40 and reflector 10, circuit board 20 with reflector 10 fixed connection, light source 30 with circuit board 20 electric connection, accuse light lens 40 is arranged in on the circuit board 20, and place in the aforesaid the light source 30 keeps away from one side of circuit board 20, the cross section of accuse light lens 40 is fish mouth-shaped structure, have incident surface 41, first plane of reflection 42 and emergent surface 43 on the accuse light lens 40, light by light source 10 sends, through incident surface 41, first plane of reflection 42, emergent surface 43, light arrives reflector 10, reflector 10 has the second plane of reflection, the second plane of reflection is used for will emiting out the light of accuse light lens 40 to the place ahead illumination area; the number of the light control lenses 40 is at least two, and the included angle between at least one light control lens and the vertical plane is 0-15 degrees.
The light source 30 is one or more of an LED light source, an OLED light source, and a xenon light source, and the incident surface 41 has an extinction groove 411. The cross section of the extinction groove 411 is of an arc-shaped structure. The number of the extinction grooves 411 is plural, and the plurality of extinction grooves 411 are uniformly distributed on the incident surface 41.
The number of the light control lenses 40 is two, each light control lens 40 is uniformly distributed on the circuit board 20, and the two light control lenses 40 are arranged at an inclination angle of 0 degree with the axial line of the circuit board 20.
The central line of the light source 30 is parallel to the central line of the light control lens 40, the central line of the light source 30 is located above the central line of the light control lens 40, and the lower line of the light source 30 is coincident with the central line of the light control lens 40. Of course, it can be understood that, if the circumstances allow, the position of the light control lens 40 can be properly adjusted to generate an offset with the light control lens 40, so as to adjust the effect of the light path.
In this embodiment, the light source 30 is an LED light source, the cross section of the light control lens 40 is configured in a fish-mouth shape, when the circuit board 20 controls the light source 30 to operate and emit light, the light of the light source 30 is incident on the light control lens 40, when the incident surface 41 of the light control lens 40 receives the light, the light is then mapped to the first reflection 42, since the incident surface 41 is formed by an optically dense medium, the first reflection 42 is formed by an optically thinner medium, when the incident surface 41 maps the light to the first reflection 42, the light forms an incident angle with a normal on the incident surface 41, and is mapped on the first reflection 42, and forms a refraction angle with a normal on the first reflection 42, when the refraction angle is 90 °, no refraction light is generated on the first reflection 42, and only reflection light is generated, therefore, total reflection is formed between the incident surface 41 and the first reflection 42 without coating the first reflection 42, and total reflection is also formed between the incident surface 41 and the first reflection 42, so that the production cost is saved, then the totally reflected light is totally reflected to the emergent surface 43, then the light is reflected to the reflecting shade 10 through the emergent surface 43, and the reflecting shade 10 reflects the light to form low-beam irradiation.
The two light control lenses 40 are arranged on the circuit board 20, the two light control lenses 40 are arranged at an inclination angle of 0 degree with the axial line of the circuit board 20, and the two light control lenses 40 are arranged at an inclination angle of 0 degree with the axial line of the circuit board 20, so that light of the light source 30 can be at a certain height, and when the light irradiates a road, the light has a clear and obvious cut-off line, meanwhile, the width of the light irradiating the road is increased, the light shape is enlarged, the illumination intensity is also improved, and the illumination effect is improved. Meanwhile, the incident surface 41 is provided with a plurality of extinction grooves 411, the cross section of each extinction groove 411 is arranged in an arc structure, and the plurality of extinction grooves 411 are arranged so that light emitted from the light source 30 to the incident surface 41 can be scattered to perform extinction processing, thereby improving the illumination effect of the dipped beam unit 100, each light control lens 40 is provided with two mounting holes which are arranged oppositely, and each mounting hole is penetrated through by a bolt and is in threaded connection with the circuit board 20, so that people can conveniently mount and dismount the light control lens 40.
The low beam assembly 200 comprises the low beam unit 100 and the heat sink 50, the heat sink 50 is electrically connected to the circuit board 20, since the light source 30 emits light, a large amount of heat is generated on the light source 30 and the reflector 10, the heat sink 50 can perform heat dissipation treatment on the light source 30 and the reflector 10, and the light source 30 is prevented from being damaged due to overhigh temperature.
In a third example of the present embodiment, as shown in fig. 1, 2 and 5:
the utility model also provides a short-distance beam unit 100, short-distance beam unit 100 includes circuit board 20, light source 30, accuse light lens 40 and reflector 10, circuit board 20 with reflector 10 fixed connection, light source 30 with circuit board 20 electric connection, accuse light lens 40 is arranged in on the circuit board 20, and place in the aforesaid the light source 30 keeps away from one side of circuit board 20, the cross section of accuse light lens 40 is fish mouth-shaped structure, have incident surface 41, first plane of reflection 42 and emergent surface 43 on the accuse light lens 40, light by light source 10 sends, through incident surface 41, first plane of reflection 42, emergent surface 43, light arrives reflector 10, reflector 10 has the second plane of reflection, the second plane of reflection is used for will emiting out the light of accuse light lens 40 to the place ahead illumination area; the number of the light control lenses 40 is at least two, and the included angle between at least one light control lens and the vertical plane is 0-15 degrees.
The light source 30 is one or more of an LED light source, an OLED light source, and a xenon light source, and the incident surface 41 has an extinction groove 411. The cross section of the extinction groove 411 is of an arc-shaped structure. The number of the extinction grooves 411 is plural, and the plurality of extinction grooves 411 are uniformly distributed on the incident surface 41.
The number of the light control lenses 40 is four, each light control lens 40 is uniformly distributed on the circuit board 20, and an included angle between each light control lens 40 and a vertical plane is set to be 0 degree.
The central line of the light source 30 is parallel to the central line of the light control lens 40, the central line of the light source 30 is located above the central line of the light control lens 40, and the lower line of the light source 30 is coincident with the central line of the light control lens 40. Of course, it can be understood that, if the circumstances allow, the position of the light control lens 40 can be properly adjusted to generate an offset with the light control lens 40, so as to adjust the effect of the light path.
In this embodiment, the light source 30 is an LED light source, the cross section of the light control lens 40 is configured in a fish-mouth shape, when the circuit board 20 controls the light source 30 to operate and emit light, the light of the light source 30 is incident on the light control lens 40, when the incident surface 41 of the light control lens 40 receives the light, the light is then mapped to the first reflection 42, since the incident surface 41 is formed by an optically dense medium, the first reflection 42 is formed by an optically thinner medium, when the incident surface 41 maps the light to the first reflection 42, the light forms an incident angle with a normal on the incident surface 41, and is mapped on the first reflection 42, and forms a refraction angle with a normal on the first reflection 42, when the refraction angle is 90 °, no refraction light is generated on the first reflection 42, and only reflection light is generated, therefore, total reflection is formed between the incident surface 41 and the first reflection 42 without coating the first reflection 42, and total reflection is also formed between the incident surface 41 and the first reflection 42, so that the production cost is saved, then the totally reflected light is totally reflected to the emergent surface 43, then the light is reflected to the reflecting shade 10 through the emergent surface 43, and the reflecting shade 10 reflects the light to form low-beam irradiation.
The circuit board 20 is provided with four light control lenses 40 which are distributed equidistantly, one of the light control lenses 40 is arranged in parallel with the axial line of the circuit board 20, and the other three light control lenses 40 are arranged with an included angle of 0 degree with the vertical plane, so that the light of the light source 30 can be at a certain height, and when the light is emitted to the road, a clear and obvious cut-off line is formed, meanwhile, the width of the light irradiating the road is increased, the light shape is enlarged, the illumination intensity is also improved, and the illumination effect is improved. Meanwhile, the incident surface 41 is provided with a plurality of extinction grooves 411, the cross section of each extinction groove 411 is arranged in an arc structure, and the plurality of extinction grooves 411 are arranged so that light emitted from the light source 30 to the incident surface 41 can be scattered to perform extinction processing, thereby improving the illumination effect of the dipped beam unit 100, each light control lens 40 is provided with two mounting holes which are arranged oppositely, and each mounting hole is penetrated through by a bolt and is in threaded connection with the circuit board 20, so that people can conveniently mount and dismount the light control lens 40.
The low beam assembly 200 comprises the low beam unit 100 and the heat sink 50, the heat sink 50 is electrically connected to the circuit board 20, since the light source 30 emits light, a large amount of heat is generated on the light source 30 and the reflector 10, the heat sink 50 can perform heat dissipation treatment on the light source 30 and the reflector 10, and the light source 30 is prevented from being damaged due to overhigh temperature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A low beam unit, characterized in that,
comprises a circuit board, a light source, a light control lens and a reflecting shade,
the circuit board is fixedly connected with the reflecting cover, the light source is electrically connected with the circuit board, the light control lens is arranged on the circuit board and is arranged on one side of the light source, which is far away from the circuit board, the cross section of the light control lens is of a fish mouth-shaped structure, the light control lens is provided with an incident surface, a first reflecting surface and an emergent surface, light is emitted by the light source, the light reaches the reflecting cover through the incident surface, the first reflecting surface and the emergent surface, the reflecting cover is provided with a second reflecting surface, and the second reflecting surface is used for emitting the light emitted out of the light control lens to a front illumination area;
the number of the light control lenses is at least two, and the included angle between at least one light control lens and the vertical plane is 0-15 degrees.
2. A low beam unit as claimed in claim 1,
the central line of the light source is parallel to the central line of the light control lens, the central line of the light source is positioned above the central line of the light control lens, and the lower line of the light source is superposed with the central line of the light control lens.
3. A low beam unit as claimed in claim 2,
the light source is one or more of an LED light source, an OLED light source and a xenon light source.
4. A low beam unit as claimed in claim 3,
the incident surface is provided with a plurality of extinction grooves, the cross sections of the extinction grooves are of arc-shaped structures, and the extinction grooves are uniformly distributed on the incident surface.
5. A low beam unit as claimed in claim 4,
the number of the light control lenses is two, each light control lens is uniformly distributed on the circuit board, and an included angle between at least one light control lens and the vertical plane is 15 degrees.
6. A low beam unit as claimed in claim 4,
the number of the light control lenses is two, each light control lens is uniformly distributed on the circuit board, and the included angle between each two light control lenses and the vertical plane is 0 degree.
7. A low beam unit as claimed in claim 4,
the number of the light control lenses is four, each light control lens is uniformly distributed on the circuit board, and the included angle between each light control lens and the vertical plane is set to be 0 degree.
8. A low beam assembly comprising a low beam unit as claimed in any one of claims 1 to 7,
the radiator is fixedly connected with the reflecting cover and is positioned at one end, far away from the circuit board, of the reflecting cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357347.6U CN210740272U (en) | 2019-08-21 | 2019-08-21 | Near light unit and near light assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357347.6U CN210740272U (en) | 2019-08-21 | 2019-08-21 | Near light unit and near light assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210740272U true CN210740272U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921357347.6U Active CN210740272U (en) | 2019-08-21 | 2019-08-21 | Near light unit and near light assembly thereof |
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| CN (1) | CN210740272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529817A (en) * | 2019-08-21 | 2019-12-03 | 重庆佧爱光电科技有限公司 | A kind of dipped beam unit and its dipped beam component |
-
2019
- 2019-08-21 CN CN201921357347.6U patent/CN210740272U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529817A (en) * | 2019-08-21 | 2019-12-03 | 重庆佧爱光电科技有限公司 | A kind of dipped beam unit and its dipped beam component |
| CN110529817B (en) * | 2019-08-21 | 2024-07-09 | 重庆佧爱光电科技有限公司 | Dipped beam unit and dipped beam assembly thereof |
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