CN103453415B - Daytime running lamps - Google Patents

Daytime running lamps Download PDF

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Publication number
CN103453415B
CN103453415B CN201210169860.9A CN201210169860A CN103453415B CN 103453415 B CN103453415 B CN 103453415B CN 201210169860 A CN201210169860 A CN 201210169860A CN 103453415 B CN103453415 B CN 103453415B
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CN
China
Prior art keywords
light source
reflector
transmittance section
light
daytime running
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CN201210169860.9A
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Chinese (zh)
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CN103453415A (en
Inventor
勾志勇
李立源
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深圳拓邦新能源技术有限公司
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Priority to CN201210169860.9A priority Critical patent/CN103453415B/en
Publication of CN103453415A publication Critical patent/CN103453415A/en
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Publication of CN103453415B publication Critical patent/CN103453415B/en

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Abstract

The present invention relates to a kind of daytime running lamps, including at least one light source, the reflection shield with least one reflector and the protective cover with least one transmittance section;At least one reflector is engaged with least one light source, to collect the big angle of divergence light in the edge of at least one light source to middle part;At least one transmittance section is engaged with least one reflector, so that the light that at least one light source is sent projects via at least one transmittance section;The reflecting surface of at least one reflector is free form surface, and the cross section of the free form surface is oval.

Description

Daytime running lamps

Technical field

The present invention relates to lighting apparatus for vehicle, more specifically to a kind of daytime running lamps.

Background technology

In recent years, in order to increase road safety, daytime running lamps are widely used on automobile.Daytime running lamps are one Kind starts the special lamp that can be automatically turned on during car engine, and they substantially increase visibility of the motor vehicles on road surface. However, the use of daytime running lamps needs to meet some enforceable standards, for example, needing to meet R87 to light efficiency in European Union It is required that and need to meet requirements of the standard GB/T 23252-2009 to light efficiency in China, and the driving in the daytime in correlation technique There is many deficiencies in force to meet these enforceable standards for lamp.

The content of the invention

The technical problem to be solved in the present invention is, for the above-mentioned deficiency in correlation technique, there is provided a kind of improved day Between driving lamp.

The technical solution adopted for the present invention to solve the technical problems is:Construct a kind of daytime running lamps, including at least one Individual light source, the reflection shield with least one reflector and the protective cover with least one transmittance section;It is described at least one Reflector is engaged with least one light source, to collect the big angle of divergence light in the edge of at least one light source to middle part Line;At least one transmittance section is engaged with least one reflector, the light sent at least one light source Line projects via at least one transmittance section;The reflecting surface of at least one reflector is free form surface, and the free form surface Cross section it is oval.

In daytime running lamps of the present invention, at least one transmittance section includes one towards described at least one The incidence surface that light source protrudes.

In daytime running lamps of the present invention, the incidence surface is toroid.

In daytime running lamps of the present invention, at least one transmittance section is in and at least one reflector The ellipse that rim of a cup is adapted.

In daytime running lamps of the present invention, at least one X-Y-Z coordinate systems, X-axis with it is described at least one The short axle of transmittance section overlaps, Y-axis and the long overlapping of axles of at least one transmittance section;The toroid has one on Y-Z faces Individual radius is R1 curve, and the toroid is rotated certain by the curve with radius R2 around a central shaft parallel with Y-axis Formed after angle, the radius R2 is not equal to radius R1.

In daytime running lamps of the present invention, the radius R2 is more than the radius R1.

In daytime running lamps of the present invention, at least one transmittance section and the cup of at least one reflector Mouthful mutually close to.

In daytime running lamps of the present invention, at least one light source is LED light source.

In daytime running lamps of the present invention, at least one light source is multiple light sources, the multiple light source row It is in a row;Correspondingly, the reflection shield includes multiple reflectors, and the protective cover includes multiple transmittance sections, the multiple reflective Cup is engaged with the multiple light source respectively, and the multiple transmittance section is engaged with the multiple reflector respectively.

In daytime running lamps of the present invention, the reflection shield includes a strip housing, and the housing includes one The roof of individual evagination, length direction sequential of the multiple reflector along the housing is on the roof.

The beneficial effects of the invention are as follows:Compared with correlation technique, due to the reflecting surface of the reflector of daytime running lamps being set Free form surface is set to, and the cross section of the free form surface is oval, the light that the reflector can be sent to light source carries out phase The adjustment answered so that the daytime running lamps preferably can match with relevant criterion.

Brief description of the drawings

Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:

Fig. 1 is the diagrammatic cross-section of the daytime running lamps in some embodiments of the invention;

Fig. 2 is the three-dimensional exploded view of daytime running lamps shown in Fig. 1;

Fig. 3 is the dimensional structure diagram of the reflection shield of daytime running lamps shown in Fig. 1;

Fig. 4 is the dimensional structure diagram of the protective cover of daytime running lamps shown in Fig. 1;

Fig. 5 is that the light of daytime running lamps shown in Fig. 1 moves towards schematic diagram;

Fig. 6 is the planar structure schematic diagram of the protective cover of daytime running lamps shown in Fig. 1;

Fig. 7 is the B-B cross-section structure diagram of protective cover shown in Fig. 6;

Fig. 8 is the A-A profile structure diagram of protective cover shown in Fig. 6;

Fig. 9 is the light shape energy profile when light source of daytime running lamps shown in Fig. 1 is directly luminous;

Figure 10 is the light shape energy point that the light that the light source of daytime running lamps shown in Fig. 1 is sent only is formed after protective cover Butut;

Figure 11 is the light shape that the light that the light source of daytime running lamps shown in Fig. 1 is sent is formed after reflection shield and protective cover Energy profile.

Embodiment

The present invention is described in further details below in conjunction with specific embodiment and Figure of description.

Fig. 1 and Fig. 2 shows the daytime running lamps 1 in some embodiments of the invention, and it includes several light sources 10, one Reflection shield 20 and a protective cover 30.Reflection shield 20 coordinates with light source 10, the big angle of divergence light in the edge for converging light source 10 Line, and local adjustment is done to the exit direction of the big angle of divergence light.Protective cover 30 coordinates with reflection shield 30, for protecting light Source 10 and reflection shield 20, and converge the core light beam of light source 10 and adjust the distribution of light beam, while it is reflective also to take into account adjustment The effect of the reflected light of cover 20.In certain embodiments, the light source 10 can be LED light source.

Referring collectively to Fig. 3, reflection shield 20 can be in the long shape of bar in certain embodiments, it include a strip housing 21 with And it is arranged at several reflectors 23 on the roof of housing 21.The reflecting surface 232 of these reflectors 23 is with respect to the horizontal plane The free form surface of certain angle is tilted, is collected with the big angle of divergence light in edge to light source 10.

In certain embodiments, length direction sequential of these reflectors 23 along housing 21, and respectively with it is above-mentioned Several correspondences of light source 10.The roof of the housing 21 be in evagination arc, its both ends be respectively formed with a positioning hole 210, 212, for coordinating with protective cover 30.The rim of a cup of each reflector 23 is set outwardly, and bottom is each formed with a circular peace Hole 230 is filled, the mounting hole 230 is corresponding with above-mentioned light source 10, so that the light that light source 10 is sent can enter by the mounting hole 230 Enter into reflector 23.

In certain embodiments, the cross section of the reflecting surface 232 of each reflector 23 is oval, thus forms whole The free form surface of individual reflecting surface 232 is oval horn-like, in this way, the light shape for the light that can send light source 10 substantially adjusts Ovalisation.Further, since it is less than on reflecting surface 232 close to the region of cross section stud ends and light source center line O angle Close to the region of cross section major axis end and light source center line O angle on reflecting surface 232 so that close to horizontal on reflecting surface 232 The light of the region reflection of cross-section minor axis end is more than the light that the region of close cross section major axis end is reflected, and light is reflecting Distribution on face 232 on the short-axis direction of cross section is more concentrated than the distribution on long axis direction, is specifically needed with adapting to some Ask(For example, rising angle and light intensity of the standard such as GB23252-2009 and ECR R87 to daytime running lamps on horizontal and vertical The requirement of the distribution of degree).

In certain embodiments, the ratio between the major axis of the cross section of the reflecting surface 232 of reflector 23 and short axle can be according to not Same needs are adjusted, and both ratios are bigger, and reflecting surface 232 is in more flat, and both ratios are smaller, and reflecting surface 232 more connects It is near round table-like.

As shown in figure 4, protective cover 30 is also in strip in certain embodiments, it partially or fully can be used in transparent material Material(Such as transparent plastic)It is made.Protective cover 30 may include a framework that can be sheathed on reflection shield 20 in certain embodiments 31 and a roof 33 being arranged in framework 31.Roof 33 is in the arc of evagination, preferably to coordinate with reflection shield 20.Top The both ends of wall 33 are respectively arranged with a BOSS post 332,334, coordinate for the positioning hole 210,212 respectively with housing 2, and borrow It is by screw that reflection shield 20 and protective cover 30 is sealed.

In certain embodiments, formed with several transmittance sections 330, these transmittance sections 330 on the roof 33 of protective cover 30 It is corresponding with the reflector 23 on reflection shield 20 respectively, so that the light that light source 10 is sent can issue.Preferably, these are saturating Light portion 330 is with the rim of a cup of corresponding reflector 23 mutually close to so that the major part in the light projected from reflector 23 is even The overwhelming majority can project from corresponding transmittance section 330.

In certain embodiments, each transmittance section 330 is in the ellipse being adapted with the rim of a cup of corresponding reflector 23. Also, as shown in figure 5, each transmittance section 330 includes an incidence surface protruded towards light source 10;The incidence surface causes transmittance section 330 can be used for converging the core light beam of light source 10 and the reflected light of reflector 23.

As shown in figs 6-8, in certain embodiments, the incidence surface of each transmittance section 330 is toroid, further to adjust The distribution of whole light beam.The forming step of the toroid can be:Initially set up an X-Y-Z coordinate system, X-axis and transmittance section 330 Short axle overlaps, Y-axis and the long overlapping of axles of transmittance section 330;Then the curve that a radius is R1 is defined on Y-Z faces;Most relief The curve is rotated to an angle with radius R2 around a central shaft parallel with Y-axis, and R2 is not equal to R1.

Due to the above-mentioned characteristic of toroid, by adjusting the size of R1 and R2 magnitude relationship and R1 and R2 value, i.e., Light intensity distributions of the light on light shape long axis direction and short-axis direction can be easily adjusted.For example, in certain embodiments, will R2 is set greater than R1, namely the incidence surface of transmittance section 330 is more than in transmittance section 330 in the curvature of the long axis direction of transmittance section 330 Curvature on short-axis direction so that the light being irradiated on the long axis direction of transmittance section 330 more leans on toward light source center line O direction Hold together.

Above-mentioned daytime running lamps 1 are described further with reference to light shape energy profile:

As shown in figure 9, the light shape when light source 10 of above-mentioned daytime running lamps 1 is directly luminous is circle, and middle part luminous intensity Highest, and be in the distribution that gradually reduces by the luminous intensity of central region to neighboring area, the luminous intensity difference on middle part and periphery compared with It is high, hence it is evident that not meet rising angle of the standards such as GB23252-2009 and ECR R87 to daytime running lamps on horizontal and vertical With the requirement of the distribution of luminous intensity.

As shown in Figure 10, the light that light source 10 is sent only forms ellipse-shaped light shape behind transmittance section 330, now, due to Effect is collected in transmittance section 330, and the luminous intensity difference of light shape central region and neighboring area has weakened.It disclosure satisfy that The requirement of rising angle of the standards such as GB23252-2009 and ECR R87 to daytime running lamps on horizontal and vertical, but still It is impossible to meet light intensity distributions of the standards such as GB23252-2009 and ECR R87 to daytime running lamps on horizontal and vertical It is required that.

As shown in figure 11, the light that light source 10 is sent is simultaneously after reflection shield 20 and protective cover 30, and the light shape of formation is still It is so ellipse, but the central region of ellipse-shaped light shape and the luminous intensity difference of neighboring area have significant expansion, and in light shape The higher region of light intensity value is in strip along long axis direction, can preferably meet GB23252-2009 and ECR R87 Etc. the requirement of distribution of the standard to rising angle of the daytime running lamps on horizontal and vertical and luminous intensity.

Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (4)

1. a kind of daytime running lamps, including at least one light source, the reflection shield with least one reflector and with least The protective cover of one transmittance section;At least one reflector is engaged with least one light source, to collect institute to middle part State the big angle of divergence light in edge of at least one light source;At least one transmittance section matches with least one reflector Close, so that the light that at least one light source is sent projects via at least one transmittance section;Characterized in that, it is described at least The reflecting surface of one reflector is free form surface, and the cross section of the free form surface is oval;At least one transmittance section Including an incidence surface protruded towards at least one light source;
The incidence surface is toroid;
The reflecting surface of reflector is the free form surface that relative level tilts certain angle;
At least one transmittance section is in the ellipse being adapted with the rim of a cup of at least one reflector;
In at least one X-Y-Z coordinate systems, X-axis overlaps with the short axle of at least one transmittance section, Y-axis and described at least one The long overlapping of axles of individual transmittance section;The toroid is with a curve with radius R1 on Y-Z faces, and the toroid is by this Curve with radius R2 around a central shaft parallel with Y-axis rotate to an angle after formed, the radius R2 is not equal to institute State radius R1;
The radius R2 is more than the radius R1;
The rim of a cup of at least one transmittance section and at least one reflector mutually close to.
2. daytime running lamps according to claim 1, it is characterised in that at least one light source is LED light source.
3. daytime running lamps according to claim 1, it is characterised in that at least one light source is multiple light sources, institute Multiple light sources are stated to be arranged in a row;Correspondingly, the reflection shield includes multiple reflectors, and the protective cover includes multiple transmittance sections, The multiple reflector is engaged with the multiple light source respectively, and the multiple transmittance section matches with the multiple reflector respectively Close.
4. daytime running lamps according to claim 3, it is characterised in that the reflection shield includes a strip housing, The housing includes the roof of an evagination, and length direction sequential of the multiple reflector along the housing is on the top On wall.
CN201210169860.9A 2012-05-29 2012-05-29 Daytime running lamps CN103453415B (en)

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CN201210169860.9A CN103453415B (en) 2012-05-29 2012-05-29 Daytime running lamps

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CN103453415B true CN103453415B (en) 2017-12-12

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103994409A (en) * 2014-05-29 2014-08-20 江苏迅驰汽车部件有限公司 Automobile daytime driving lamp
CN105864670A (en) * 2016-05-27 2016-08-17 武汉市金运科技开发有限公司 Small LED mining lamp

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN101619834A (en) * 2004-03-30 2010-01-06 照明管理解决方案公司 An apparatus and method for improved illumination area fill
CN201589168U (en) * 2009-12-16 2010-09-22 宁波正洋汽车部件有限公司 Daytime running lamp
CN102261611A (en) * 2010-05-28 2011-11-30 宁波正洋汽车部件有限公司 High-power reflection-type LED (light emitting diode) daytime driving lamp

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Publication number Priority date Publication date Assignee Title
CN100547288C (en) * 2006-10-18 2009-10-07 财团法人工业技术研究院 Luminaire
US8947205B2 (en) * 2009-05-22 2015-02-03 Berntsen International, Inc. System, method and monument for land surveying
CN202675118U (en) * 2012-05-29 2013-01-16 深圳市拓邦汽车电子技术有限公司 Daytime running light

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101619834A (en) * 2004-03-30 2010-01-06 照明管理解决方案公司 An apparatus and method for improved illumination area fill
CN201589168U (en) * 2009-12-16 2010-09-22 宁波正洋汽车部件有限公司 Daytime running lamp
CN102261611A (en) * 2010-05-28 2011-11-30 宁波正洋汽车部件有限公司 High-power reflection-type LED (light emitting diode) daytime driving lamp

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Address after: Baoan District Shiyan Street Lang heart community Liyuan Industrial Zone Industrial Park plant in Shenzhen city in 518000 top four on the eastern side of Guangdong province 2

Applicant after: Shenzhen Tuobang Automobile Electronic Technology Co., Ltd.

Address before: 518000 Baoan District City, Shenzhen Province Shiyan street, the heart of the community of the new home of the stone house, the main road, Tong Tong Rong Industrial Park, the first floor of the workshop on the fifth floor

Applicant before: Shenzhen Tuobang Automobile Electronic Technology Co., Ltd.

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