CN103591515B - A kind of automobile rotary knob light guide and automobile rotary knob - Google Patents
A kind of automobile rotary knob light guide and automobile rotary knob Download PDFInfo
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- CN103591515B CN103591515B CN201310605922.0A CN201310605922A CN103591515B CN 103591515 B CN103591515 B CN 103591515B CN 201310605922 A CN201310605922 A CN 201310605922A CN 103591515 B CN103591515 B CN 103591515B
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- exiting surface
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Abstract
The invention discloses a kind of automobile rotary knob light guide, light guide is overall for having the circulus of an opening, light guide during flattening comprises light end, first reflecting surface, second reflecting surface and horizontal exiting surface, described light end is arranged with horizontal exiting surface is mutually vertical, be connected by described first reflecting surface between light end and horizontal exiting surface, the angle of described light end and the first reflecting surface is 45 °, described second reflecting surface is arranged on horizontal exiting surface opposite side, second reflecting surface is broached-tooth design, the angle of described second reflecting surface and horizontal exiting surface is 40-50 °.Also disclose the automobile rotary knob of this light guide of application.Be transverse light rays by the first reflecting surface by the light reflection of light end, then by the second reflecting surface (zigzag reflecting surface), transverse light rays be reflected into longitudinal light, finally derive light by the horizontal exiting surface of bar; Namely only can form large-area area source with single source, greatly save production cost.
Description
Technical field
The present invention relates to the knob of automotive trim containing backlight instruction, particularly relate to a kind of automobile rotary knob light guide and automobile rotary knob.
Background technology
At present, most of automobile rotary knob backing structure is the backlight area that multiple combination of light sources lights knob border, lights the knob of rotatable 180 °, and need meet the requirement of brightness uniformity.In the scope of angle rotatable, be evenly distributed multiple light source just achieved spot light and be converted into area source.
Summary of the invention
Goal of the invention of the present invention is to solve the high problem of the many costs of above-mentioned light source, provides a kind of automobile rotary knob light guide and the automobile rotary knob that not only can meet backlighting requirements but also solve the high problem of the many costs of light source.
In order to realize foregoing invention object, the technical solution used in the present invention is:
A kind of automobile rotary knob light guide, light guide is overall for having the circulus of an opening, light guide during flattening comprises light end, first reflecting surface, second reflecting surface and horizontal exiting surface, described light end is arranged with horizontal exiting surface is mutually vertical, be connected by described first reflecting surface between light end and horizontal exiting surface, the angle of described light end and the first reflecting surface is 45 °, described second reflecting surface is arranged on horizontal exiting surface opposite side, second reflecting surface is broached-tooth design, the angle of described second reflecting surface and horizontal exiting surface is 40-50 °.
In order to better concentrate incident light source, light end of the present invention is column, and size and the LED size of light end are suitable.
Wherein, described light end is provided with two or more plane of incidence.
In order to realize foregoing invention object, another technical solution used in the present invention is:
A kind of automobile rotary knob, comprise circuit board, knob base, light guide and knob body, described circuit board is provided with LED light source, knob base is arranged on the LED light source upper end of circuit board, described knob body and knob base suitable, be provided with the slotted eye installed for light guide in knob body and knob base, described light guide is socketed with knob body and knob base mutually by being arranged in slotted eye;
Described light guide is overall for having the circulus of an opening, light guide during flattening comprises light end, the first reflecting surface, the second reflecting surface and horizontal exiting surface, described light end is arranged with horizontal exiting surface is mutually vertical, be connected by described first reflecting surface between light end and horizontal exiting surface, the angle of described light end and the first reflecting surface is 45 °, described second reflecting surface is arranged on horizontal exiting surface opposite side, second reflecting surface is broached-tooth design, and the angle of described second reflecting surface and horizontal exiting surface is 40-50 °;
Described LED light source contacts with light end.
Wherein, described knob body is provided with bar and case ring, and described bar and case ring contact with the horizontal exiting surface of light guide.
Beneficial effect of the present invention is: be transverse light rays by the first reflecting surface by the light reflection of light end, then by the second reflecting surface (zigzag reflecting surface), transverse light rays is reflected into longitudinal light, finally derives light by the horizontal exiting surface of bar; Namely only can form large-area area source with single or a small amount of light source, reach the object reducing light source and reduce costs.
Accompanying drawing explanation
Fig. 1 is the flattened structure schematic diagram of automobile rotary knob light guide of the present invention;
Fig. 2 is the structural representation of automobile rotary knob of the present invention;
Wherein,
1: circuit board; 11:LED light source;
2: knob base;
3: light guide; 31: light end; 32: the first reflectings surface; 33: the second reflectings surface; 34: horizontal exiting surface;
4: knob body; 41: bar; 42: case ring.
Detailed description of the invention
By describing technology contents of the present invention, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Embodiment 1
Refer to Fig. 1, as described in Figure, automobile rotary knob light guide of the present invention is overall for having the circulus of an opening, in order to better describe this structure, light guide is flattened and describes, light guide during flattening comprises light end 31, first reflecting surface 32, second reflecting surface 33 and horizontal exiting surface 34, described light end 31 and the vertical setting mutually of horizontal exiting surface 34, be connected by described first reflecting surface 32 between light end 31 and horizontal exiting surface 34, the angle of described light end 31 and the first reflecting surface 32 is 45 ° (can be gone out by light reflection to greatest extent according to mirror-reflection principle design 45 ° of angles of light and not cause a large amount of scattering), described second reflecting surface 33 is arranged on horizontal exiting surface 34 opposite side, second reflecting surface 33 is broached-tooth design, described second reflecting surface 33 and the angle of horizontal exiting surface 34 be 40-50 ° (according to the mirror-reflection principle of light, design 40-50 ° of angle can time light source evenly reflex to horizontal exiting surface, ensure the uniformity at horizontal exiting surface glazing).Be transverse light rays by the first reflecting surface 32 by the light reflection of light end 31, then by the second reflecting surface 33(zigzag reflecting surface) transverse light rays is reflected into longitudinal light, finally derive light by horizontal exiting surface 34; Namely only can form large-area area source with single or a small amount of light source, reach the object reducing light source and reduce costs.
In the present embodiment, in order to better concentrate incident light source, this clearly demarcated described light end is column, and size and the LED size of light end are suitable.
In the present embodiment, in order to realize higher luminosity or the illumination effect of multiple color, described light end is provided with two or more plane of incidence, specifically when applying, described LED light source correspondence is provided with two or more LED light emitting diode, different LED light emitting diodes enters light guide by the different planes of incidence, thus realizes the illumination effect of multiple color.
Embodiment 2
Namely the present embodiment is be applied in automobile rotary knob by the light guide in enforcement 1, see also Fig. 2, as shown in the figure, automobile rotary knob of the present invention comprises circuit board 1, knob base 2, light guide 3 and knob body 4, described circuit board 1 is provided with LED light source 11, knob base 2 is arranged on LED light source 11 upper end of circuit board 1, described knob body 4 is suitable with knob base 2, be provided with the slotted eye installed for light guide 3 in knob body 4 and knob base 2, described light guide 3 is socketed with knob body 4 and knob base 2 mutually by being arranged in slotted eye, described light guide 3 entirety is for having the circulus of an opening, light guide during flattening comprises light end 31, first reflecting surface 32, second reflecting surface 33 and horizontal exiting surface 34, described light end 31 and the vertical setting mutually of horizontal exiting surface 34, be connected by described first reflecting surface 32 between light end 31 and horizontal exiting surface 34, the angle of described light end 31 and the first reflecting surface 32 is 45 ° (can be gone out by light reflection to greatest extent according to mirror-reflection principle design 45 ° of angles of light and not cause a large amount of scattering), described second reflecting surface 33 is arranged on horizontal exiting surface 34 opposite side, second reflecting surface 33 is broached-tooth design, described second reflecting surface 33 and the angle of horizontal exiting surface 34 be 40-50 ° (according to the mirror-reflection principle of light, design 40-50 ° of angle can time light source evenly reflex to horizontal exiting surface, ensure the uniformity at horizontal exiting surface glazing).Be transverse light rays by the first reflecting surface 32 by the light reflection of light end 31, then by the second reflecting surface 33(zigzag reflecting surface) transverse light rays is reflected into longitudinal light, finally derive light by horizontal exiting surface 34; Namely only can form large-area area source with single or a small amount of light source, reach the object reducing light source and reduce costs.
In the present embodiment, described knob body 4 is provided with bar 41 and case ring 42, and described bar 41 and case ring 42 contact with the horizontal exiting surface 34 of light guide 3.Described bar 41 moves on the arc-shaped area source formed by light guide 3, and final light is derived by bar 41 and realized this knob light guide structure.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. an automobile rotary knob, it is characterized in that, comprise circuit board, knob base, light guide and knob body, described circuit board is provided with LED light source, knob base is arranged on the LED light source upper end of circuit board, described knob body and knob base suitable, be provided with the slotted eye installed for light guide in knob body and knob base, described light guide is socketed with knob body and knob base mutually by being arranged in slotted eye;
Described light guide is overall for having the circulus of an opening, light guide during flattening comprises light end, the first reflecting surface, the second reflecting surface and horizontal exiting surface, described light end is arranged with horizontal exiting surface is mutually vertical, be connected by described first reflecting surface between light end and horizontal exiting surface, the angle of described light end and the first reflecting surface is 45 °, described second reflecting surface is arranged on horizontal exiting surface opposite side, second reflecting surface is broached-tooth design, and the angle of described second reflecting surface and horizontal exiting surface is 40-50 °;
Described LED light source contacts with light end, described knob body is provided with bar and case ring, described bar and case ring contact with the horizontal exiting surface of light guide, and described bar moves on the arc-shaped area source formed by light guide, and final light is derived by bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310605922.0A CN103591515B (en) | 2013-11-25 | 2013-11-25 | A kind of automobile rotary knob light guide and automobile rotary knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310605922.0A CN103591515B (en) | 2013-11-25 | 2013-11-25 | A kind of automobile rotary knob light guide and automobile rotary knob |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103591515A CN103591515A (en) | 2014-02-19 |
| CN103591515B true CN103591515B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310605922.0A Active CN103591515B (en) | 2013-11-25 | 2013-11-25 | A kind of automobile rotary knob light guide and automobile rotary knob |
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| CN (1) | CN103591515B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014011686B4 (en) * | 2014-08-04 | 2016-02-11 | Oechsler Aktiengesellschaft | Multifunction Switch |
| TWI571592B (en) * | 2014-10-14 | 2017-02-21 | 國立中央大學 | High contrast and miniature headlamp |
| JP6720809B2 (en) * | 2016-09-29 | 2020-07-08 | オムロン株式会社 | Light guide member, light guide member unit, and lighting device |
| CN106439681A (en) * | 2016-09-30 | 2017-02-22 | 马瑞利汽车零部件(芜湖)有限公司 | Car lamp light guide with large light-emitting area |
| CN106524031A (en) * | 2016-10-31 | 2017-03-22 | 马瑞利汽车零部件(芜湖)有限公司 | Double-color car lamp light guide |
| CN108663742A (en) * | 2017-08-16 | 2018-10-16 | 维沃移动通信有限公司 | A kind of leaded light component and mobile terminal |
| CN108037580A (en) * | 2018-01-09 | 2018-05-15 | 中山日荣塑料电子制品有限公司 | A kind of light-guiding type microscope |
| CN109143455A (en) * | 2018-10-24 | 2019-01-04 | 马瑞利汽车零部件(芜湖)有限公司 | The short Light-guiding optics system of abnormity |
| CN109448216B (en) * | 2018-10-30 | 2021-07-27 | 杭州晴朗体育设施有限公司 | Intelligent lottery ticket box |
| JP2020176772A (en) * | 2019-04-18 | 2020-10-29 | 日立グローバルライフソリューションズ株式会社 | Dial and heat cooker including the same |
| CN111061334B (en) * | 2019-12-31 | 2021-12-10 | 广东美的厨房电器制造有限公司 | Knob module, control box assembly and cooking device thereof |
| CN111578227A (en) * | 2020-05-15 | 2020-08-25 | 王丹 | Optical unit of automobile rearview mirror lane changing auxiliary system |
| CN112670116A (en) * | 2020-12-02 | 2021-04-16 | 惠州市德赛西威汽车电子股份有限公司 | Knob button structure of vehicle-mounted multimedia |
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| CN1834770A (en) * | 2005-03-17 | 2006-09-20 | 佳能株式会社 | Light-emitting device and apparatus having the same |
| CN203560788U (en) * | 2013-11-25 | 2014-04-23 | 福州西诚汽车控制系统有限公司 | Automobile rotary knob light guide part and automobile rotary knob |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2324599A (en) * | 1997-04-22 | 1998-10-28 | Ford Motor Co | Looped light pipe illuminator for illuminating dials etc. |
| US7537353B2 (en) * | 2005-06-20 | 2009-05-26 | Continental Automotive Systems Us, Inc. | Flood and back lit instrument cluster |
| US20070159846A1 (en) * | 2006-01-11 | 2007-07-12 | Alps Electric Co., Ltd. | Surface emitting device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834770A (en) * | 2005-03-17 | 2006-09-20 | 佳能株式会社 | Light-emitting device and apparatus having the same |
| CN203560788U (en) * | 2013-11-25 | 2014-04-23 | 福州西诚汽车控制系统有限公司 | Automobile rotary knob light guide part and automobile rotary knob |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103591515A (en) | 2014-02-19 |
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Owner name: FUZHOU DANNUO XICHENG ELECTRONIC CO., LTD. Free format text: FORMER OWNER: FUZHOU XICHENG AUTO CONTROL SYSTEM CO., LTD. Effective date: 20150225 |
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Free format text: CORRECT: ADDRESS; FROM: 350003 FUZHOU, FUJIAN PROVINCE TO: 350001 FUZHOU, FUJIAN PROVINCE |
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Effective date of registration: 20150225 Address after: At the software Avenue Gulou District of Fuzhou city in Fujian province 350001 No. 89 Fuzhou Software Park C District No. 19 Applicant after: Fuzhou Dannuo Xicheng Electronic Technology Co., Ltd. Address before: Copper Road Software Avenue Gulou District of Fuzhou city in Fujian province 350003 No. 89 Fuzhou Software Park C District No. 19 Applicant before: Fuzhou Xicheng Auto Control System Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Chen Yong Inventor after: Zheng Cuanbin Inventor after: Zhu Shumin Inventor after: Lin Jicao Inventor before: Zhu Shumin Inventor before: Lin Jicao |
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| COR | Change of bibliographic data |