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
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- light
- reflecting surface
- light guide
- knob
- horizontal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 235000009537 plain noodles Nutrition 0.000 description 5
- 238000005034 decoration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
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 invention relates to a knob with a backlight indication function for an automobile interior, in particular to an automobile knob light guide part and an automobile knob.
Background
At present, most of automobile knob backlight structures are formed by combining a plurality of light sources to light a backlight area on the periphery of a knob, the knob capable of rotating 180 degrees is lighted, and the requirement of uniform brightness needs to be met. The plurality of light sources are evenly distributed in the range of the rotatable angle, so that the point light sources are converted into the area light sources.
Disclosure of Invention
The invention aims to solve the problem of high cost of the light source, and provides an automobile knob light guide part and an automobile knob, which can meet the backlight requirement and solve the problem of high cost of the light source.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
the utility model provides an automobile knob leaded light spare, the whole annular structure that has an open-ended that leads light spare, the leaded light spare at exhibition ordinary times includes that light incident end, first plane of reflection, second plane of reflection and level go out the plain noodles, light incident end and level go out the setting of plain noodles mutually perpendicular, pass through between light incident end and the level go out the plain noodles first plane of reflection is connected, the contained angle of light incident end and first plane of reflection is 45, the second plane of reflection sets up in the relative one side of the plain noodles of level, and the second plane of reflection is the sawtooth structure, the contained angle that the second plane of reflection and level go out the plain noodles is 40-50.
In order to better concentrate an incident light source, the light incident end is a cylindrical body, and the size of the light incident end is matched with that of the LED.
Wherein, the light incidence end is provided with two or more incidence surfaces.
In order to achieve the above object, the present invention adopts another technical solution as follows:
an automobile knob comprises a circuit board, a knob base, a light guide piece and a knob body, wherein an LED light source is arranged on the circuit board, the knob base is installed at the upper end of the LED light source of the circuit board, the knob body is matched with the knob base, slotted holes for installing the light guide piece are formed in the knob body and the knob base, and the light guide piece is installed in the slotted holes and is mutually sleeved with the knob body and the knob base;
the whole light guide part is of an annular structure with an opening, the light guide part in a flat state comprises a light incidence end, a first reflection surface, a second reflection surface and a horizontal light emitting surface, the light incidence end and the horizontal light emitting surface are perpendicular to each other, the light incidence end and the horizontal light emitting surface are connected through the first reflection surface, the included angle between the light incidence end and the first reflection surface is 45 degrees, the second reflection surface is arranged on the opposite surface of the horizontal light emitting surface, the second reflection surface is of a sawtooth structure, and the included angle between the second reflection surface and the horizontal light emitting surface is 40-50 degrees;
the LED light source is contacted with the light incidence end.
The knob body is provided with an indication strip and a decoration ring, and the indication strip and the decoration ring are in contact with the horizontal light-emitting surface of the light guide piece.
The invention has the beneficial effects that: the light at the light incident end is reflected into transverse light by the first reflecting surface, the transverse light is reflected into longitudinal light by the second reflecting surface (the sawtooth reflecting surface), and finally the light is guided out by the horizontal light-emitting surface of the indicating strip; the large-area surface light source can be formed by only using a single light source or a small number of light sources, and the purposes of reducing the light sources and reducing the cost are achieved.
Drawings
FIG. 1 is a schematic view of a flattened structure of a light guide member of an automotive knob according to the present invention;
FIG. 2 is a schematic view of the knob of the vehicle according to the present invention;
wherein,
1: a circuit board; 11: an LED light source;
2: a knob base;
3: a light guide; 31: a light incident end; 32: a first reflective surface; 33: a second reflective surface; 34: a horizontal light emitting surface;
4: a knob body; 41: an indicator strip; 42: and (6) decorating rings.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Example 1
Referring to fig. 1, as shown in the drawing, the light guide member of the automotive knob according to the present invention is an annular structure with an opening, and for better describing the structure, the light guide member is flattened, the flattened light guide member includes a light incident end 31, a first reflecting surface 32, a second reflecting surface 33 and a horizontal light emitting surface 34, the light incident end 31 and the horizontal light emitting surface 34 are perpendicular to each other, the light incident end 31 and the horizontal light emitting surface 34 are connected by the first reflecting surface 32, an included angle between the light incident end 31 and the first reflecting surface 32 is 45 ° (the included angle of 45 ° is designed according to the principle of specular reflection of light so as to reflect light out to the maximum extent without causing a large amount of scattering), the second reflecting surface 33 is disposed on the opposite side of the horizontal light emitting surface 34, the second reflecting surface 33 is in a sawtooth structure, the included angle between the second reflecting surface 33 and the horizontal light emitting surface 34 is 40-50 ° (according to the principle of specular reflection of light, an included angle of 40-50 degrees is designed, so that the light source can be more uniformly reflected to the horizontal light-emitting surface, and the uniformity of light on the horizontal light-emitting surface is ensured). The light of the light incident end 31 is reflected into transverse light by the first reflecting surface 32, the transverse light is reflected into longitudinal light by the second reflecting surface 33 (zigzag reflecting surface), and finally the light is guided out by the horizontal light emergent surface 34; the large-area surface light source can be formed by only using a single light source or a small number of light sources, and the purposes of reducing the light sources and reducing the cost are achieved.
In this embodiment, for better concentrating the incident light source, the light incident end is a cylindrical body, and the size of the light incident end is matched with the size of the LED.
In this embodiment, in order to achieve a higher luminance or a multi-color light emitting effect, the light incident end is provided with two or more incident surfaces, and specifically, when the LED light source is applied, the LED light source is correspondingly provided with two or more LED light emitting diodes, and different LED light emitting diodes enter the light guide member through different incident surfaces, so that the multi-color light emitting effect is achieved.
Example 2
In this embodiment, the light guide member in embodiment 1 is applied to an automotive knob, please refer to fig. 2 together, as shown in the figure, the automotive knob of the present invention includes a circuit board 1, a knob base 2, a light guide member 3 and a knob body 4, the circuit board 1 is provided with an LED light source 11, the knob base 2 is mounted at the upper end of the LED light source 11 of the circuit board 1, the knob body 4 is adapted to the knob base 2, the knob body 4 and the knob base 2 are provided with slot holes for mounting the light guide member 3, and the light guide member 3 is mounted in the slot holes and is mutually sleeved with the knob body 4 and the knob base 2; the light guide member 3 is integrally of an annular structure with an opening, the light guide member when being spread normally includes a light incident end 31, a first reflecting surface 32, a second reflecting surface 33 and a horizontal light emitting surface 34, the light incident end 31 and the horizontal light emitting surface 34 are arranged perpendicular to each other, the light incident end 31 and the horizontal light emitting surface 34 are connected through the first reflecting surface 32, an included angle between the light incident end 31 and the first reflecting surface 32 is 45 degrees (the included angle of 45 degrees can be designed according to the principle of specular reflection of light to reflect light out to the maximum extent without causing a large amount of scattering), the second reflecting surface 33 is arranged on the opposite side of the horizontal light emitting surface 34, the second reflecting surface 33 is of a sawtooth structure, the included angle between the second reflecting surface 33 and the horizontal light emitting surface 34 is 40-50 degrees (the included angle of 40-50 degrees is designed according to the principle of specular reflection of light, when the light source is reflected to the horizontal light emitting surface more uniformly, to ensure the uniformity of light on the horizontal light-emitting surface). The light of the light incident end 31 is reflected into transverse light by the first reflecting surface 32, the transverse light is reflected into longitudinal light by the second reflecting surface 33 (zigzag reflecting surface), and finally the light is guided out by the horizontal light emergent surface 34; the large-area surface light source can be formed by only using a single light source or a small number of light sources, and the purposes of reducing the light sources and reducing the cost are achieved.
In this embodiment, the knob body 4 is provided with an indication bar 41 and a decoration ring 42, and the indication bar 41 and the decoration ring 42 are in contact with the horizontal light emitting surface 34 of the light guide 3. The indication bar 41 moves on the arc-shaped surface light source formed by the light guide member 3, and finally the light is guided out by the indication bar 41 to realize the knob light guide structure.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (1)
1. An automobile knob is characterized by comprising a circuit board, a knob base, a light guide piece and a knob body, wherein an LED light source is arranged on the circuit board, the knob base is arranged at the upper end of the LED light source of the circuit board, the knob body is matched with the knob base, slotted holes for mounting the light guide piece are formed in the knob body and the knob base, and the light guide piece is mounted in the slotted holes and is mutually sleeved with the knob body and the knob base;
the whole light guide part is of an annular structure with an opening, the light guide part in a flat state comprises a light incidence end, a first reflection surface, a second reflection surface and a horizontal light emitting surface, the light incidence end and the horizontal light emitting surface are perpendicular to each other, the light incidence end and the horizontal light emitting surface are connected through the first reflection surface, the included angle between the light incidence end and the first reflection surface is 45 degrees, the second reflection surface is arranged on the opposite surface of the horizontal light emitting surface, the second reflection surface is of a sawtooth structure, and the included angle between the second reflection surface and the horizontal light emitting surface is 40-50 degrees;
the LED light source is in contact with the light incidence end, the knob body is provided with an indicating strip and a decorating ring, the indicating strip and the decorating ring are in contact with the horizontal light emitting surface of the light guide piece, the indicating strip moves on an arc-shaped surface light source formed by the light guide piece, and finally light is guided out by the indicating strip.
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 |
Family
ID=50081756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310605922.0A Active CN103591515B (en) | 2013-11-25 | 2013-11-25 | A kind of automobile rotary knob light guide and automobile rotary knob |
Country Status (1)
| Country | Link |
|---|---|
| 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 |
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 |
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 |
-
2013
- 2013-11-25 CN CN201310605922.0A patent/CN103591515B/en active Active
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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103591515B (en) | A kind of automobile rotary knob light guide and automobile rotary knob | |
| CN203560788U (en) | Automobile rotary knob light guide part and automobile rotary knob | |
| CN202174986U (en) | Light guide structure for automotive dashboard | |
| CN203431782U (en) | Light-guide LED (Light-Emitting Diode) lamp | |
| CN103982860A (en) | Structured and effect textile as light-scattering element in optical system | |
| CN103162200B (en) | Ligthing paraphernalia | |
| CN210035344U (en) | Car light and car | |
| CN103363450A (en) | Light guide structure of car gear panel | |
| CN108224243B (en) | Tube lamp | |
| CN203455559U (en) | Backlight module and display device | |
| CN203810095U (en) | High-transparency LED (Light Emitting Diode) lamp tube based on refraction | |
| CN207661561U (en) | Annulus ornament lamp | |
| CN206234653U (en) | Optics light conductor and contain this kind of LED lamp of optics light conductor | |
| CN201532405U (en) | Electric quantity indicator | |
| CN202177718U (en) | Meter light guide plate structure | |
| CN203445910U (en) | Light-guiding protective housing for mobile phone | |
| CN204084188U (en) | For strip lens and the large-angle LED fluorescent lamp of LED daylight lamp | |
| CN202253084U (en) | LED (light emitting diode) lamp band | |
| CN202511065U (en) | Light-emitting diode (LED) luminous structure | |
| CN208189436U (en) | A kind of panel-switch with LED light | |
| CN203533431U (en) | Light guide structure and adjusting device of dimming control system of automobile | |
| CN203586086U (en) | Emergency lamp | |
| CN206112676U (en) | LED (Light emitting diode) backlight module | |
| CN202253132U (en) | Ultrathin color screen LED (light-emitting diode) backlight | |
| CN210088752U (en) | Light-transmitting LENS structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FUZHOU DANNUO XICHENG ELECTRONIC CO., LTD. Free format text: FORMER OWNER: FUZHOU XICHENG AUTO CONTROL SYSTEM CO., LTD. Effective date: 20150225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 350003 FUZHOU, FUJIAN PROVINCE TO: 350001 FUZHOU, FUJIAN PROVINCE |
|
| TA01 | Transfer of patent application right |
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 XICHENG ELECTRONIC 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 Automobile Control System Co.,Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Yong Inventor after: Zheng Xinbin Inventor after: Zhu Shumin Inventor after: Lin Jicao Inventor before: Zhu Shumin Inventor before: Lin Jicao |
|
| COR | Change of bibliographic data | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 19, Zone C, Fuzhou Software Park, No. 89 Tongpan Software Avenue, Gulou District, Fuzhou City, Fujian Province, 350001 Patentee after: Fuzhou Xicheng Technology Co.,Ltd. Country or region after: China Address before: Building 19, Zone C, Fuzhou Software Park, No. 89 Tongpan Software Avenue, Gulou District, Fuzhou City, Fujian Province, 350001 Patentee before: FUZHOU XICHENG ELECTRONIC CO.,LTD. Country or region before: China |