CN206409975U - A kind of knob light guiding ring structure - Google Patents
A kind of knob light guiding ring structure Download PDFInfo
- Publication number
- CN206409975U CN206409975U CN201621435151.0U CN201621435151U CN206409975U CN 206409975 U CN206409975 U CN 206409975U CN 201621435151 U CN201621435151 U CN 201621435151U CN 206409975 U CN206409975 U CN 206409975U
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- CN
- China
- Prior art keywords
- light guide
- knob
- reflecting surface
- ring structure
- guiding ring
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Abstract
The utility model is related to a kind of knob light guiding ring structure.Utilize upper light guide and the special construction of lower light guide, make light enter smooth surface from first first to enter in lower light guide, produced again via the structure of the first rolled over reflecting surface and the first infolding reflecting surface after multiple refraction, diffusing reflection from the export of the first exiting surface, then light enters smooth surface into upper light guide from second again, produced again in upper light guide via the structure of the second infolding reflecting surface and the second rolled over reflecting surface from the export of the second exiting surface after multiple refraction, diffusing reflection, so as to reach uniform final display effect.Knob light guiding ring structure of the present utility model, in compact limited structure space, using two vertical LED/light sources, designed by truncated cone-shaped knob light guiding ring structure, make knob outer ring gap uniformity guide-lighting, LED/light source quantity can be reduced on the basis of light guide ring translucency, uniformity is met, save product cost.
Description
Technical field
The utility model is related to vehicle electronics product technical field, more particularly to a kind of knob light guiding ring structure.
Background technology
With the development that vehicle electronics product makes rapid progress, the requirement to product also progressively moves towards intelligent, simplification
Developing direction, wherein to the pursuit more and more higher of aesthetic appearance, in terms of this is not only embodied in product-forming and production technology, and
And also particularly pay attention in terms of light display effect, about the display effect of light, except colour match variation, and to whole
The brightness uniformity of body light, the requirement of light uniformity also more and more higher, especially vehicle audio button background light, knob and
Knob decorates the coordinating and unifying of background light and vehicle interior trim.
Knob is functional unit important on various control panels, and knob configured in one piece has knob backlight and knob guide-lighting
Coil structures.And knob light guide ring decorates knob atmosphere lamp as one kind, the lighting effects of vehicle can be not only enriched, also meets and refers to
Quote the correct manipulation knob in family.In existing small size knob（Refer generally to 16~28mm of diameter）In light guide structure, exist limited
The drawbacks of internal structural space, because the internal structural space of knob is smaller, light guide structure is more complicated, guide-lighting uniformity,
Guide-lighting efficiency is reduced, and the vertical LED/light source of normal need 3 or more is uniformly distributed to ensure that knob light guide ring printing opacity is uniform.
Utility model content
The purpose of this utility model is to provide a kind of knob light guiding ring structure.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of knob light guiding ring structure, it is wrapped
The encoder and two vertical LEDs on pcb board, and surface mounted thereto are included, the encoder is arranged on two institutes
State suit in the rotating shaft at the top of the centre of LED, the encoder and be fixed with a knob assembly, the knob assembly and pcb board
Between be also associated with equal with lower light guide and upper light guide of the concentric setting of the encoder, the lower light guide is fixed on institute
The upper surface of pcb board is stated, the upper light guide is fixed on the top of the lower light guide, and the rotating shaft of the encoder may pass through institute
State after lower light guide and upper light guide and to be connected to a fixed with the knob assembly；The lower light guide is in the round platform of rotary symmetrical
At shape, its inside center around formed one can through the lower light guide upper bottom and bottom, for housing the encoder
The first accommodating cavity, the first infolding reflecting surface is formed on the side wall of first accommodating cavity, the first infolding reflection is inward-facing
It is raised；Plane the first exiting surface of formation residing for the upper bottom of the lower light guide, the lateral wall formation first of the lower light guide
Rolled over reflecting surface, the first rolled over reflecting surface caves inward in an arcuation；The lower light guide is towards the one of the LED
Caved inward at face and the respectively position of the corresponding LED, formation can accommodate the internal reflective cavity of the LED, described interior anti-
Penetrate formation first on the inwall of chamber and enter smooth surface.
In a preferred embodiment, the upper light guide is in the annular shape of rotary symmetrical, its base plane formation second
Enter on smooth surface, top planes the second exiting surface of formation, the surface of second exiting surface and be formed uniformly frosted line；Led on described
At the inside center opening of light part formed a tubular the second accommodating cavity, along second accommodating cavity side wall medium position to
Outer incline and towards the upper light guide top planes direction formed a chamfer plane, the chamfer plane is catadioptric in second
Penetrate and multiple insertions are formed uniformly on face, the second infolding reflecting surface to second positioning hole entered outside smooth surface；It is described
Annular outer side wall the second rolled over reflecting surface of formation of upper light guide, the second rolled over reflecting surface vertical described second enters smooth surface.
In a preferred embodiment, the first rolled over reflecting surface is one kind in following：Concave curvatures and plane.
In a preferred embodiment, the first infolding reflecting surface is one kind in following：Convex surface and plane.
In a preferred embodiment, the internal reflective cavity of the lower light guide be shaped as it is following in one kind：V-type and trapezoidal knot
Structure, the surface of first exiting surface is DE Specular Lighting.
In a preferred embodiment, the positioning with the lower light guide is formed with the first exiting surface of the lower light guide
The locating dowel that hole matches；The positioning hole connects with locating dowel matching can be such that the upper light guide is assembled with lower light guide
It is integrated.
In a preferred embodiment, the knob assembly includes knob body and knob rosette, the knob body dress
In rotating shaft assigned in the encoder, the knob rosette is assemblied in the top of the knob body.
The beneficial effect of the utility model knob light guiding ring structure is：Utilize upper light guide and the special knot of lower light guide
Structure, makes light enter smooth surface from first first and enters in lower light guide, then via the first rolled over reflecting surface and the first infolding reflecting surface
Structure produce multiple refraction, after diffusing reflection from the export of the first exiting surface, then light enters smooth surface into upper leaded light from second again
Part, then in upper light guide produce via the structure of the second infolding reflecting surface and the second rolled over reflecting surface multiple refraction, it is unrestrained anti-
Exported after penetrating from the second exiting surface, so as to reach uniform final display effect.Knob light guiding ring structure of the present utility model,
In compact limited structure space, using two vertical LED/light sources, designed by truncated cone-shaped knob light guiding ring structure, make knob
Outer ring gap uniformity is guide-lighting, can reduce LED/light source quantity on the basis of light guide ring translucency, uniformity is met, save production
Product cost.
Brief description of the drawings
Fig. 1 is the perspective exploded view of knob light guiding ring structure in an embodiment.
Fig. 2 is the top view of knob light guiding ring structure in an embodiment.
Fig. 3 is the cross section view of A-A parts in Fig. 2.
Fig. 4 is the amplification diagram of lower light guide in Fig. 3.
Fig. 5 is the zoomed-in view of part B in Fig. 4.
Fig. 6 is the schematic perspective view of upper light guide in Fig. 1.
Fig. 7 is the radial section view of upper light guide in Fig. 6.
Fig. 8 is the perspective exploded view of knob composition in Fig. 1.
Embodiment
Knob light guiding ring structure of the present utility model is made further to retouch in detail below in conjunction with specific embodiment and accompanying drawing
State.
Fig. 1 is referred to Fig. 3, a kind of knob light guiding ring structure, it is included on pcb board 100, and surface mounted thereto
Encoder 200 and two vertical LEDs 300, encoder 200 is arranged on the centre of two LEDs 300, and encoder 200 is pushed up
Suit is fixed with a knob assembly 600 in the rotating shaft in portion.
It is preferred that, it is also associated between knob assembly 600 and pcb board 100 with being led under the concentric setting of encoder 200
Light part 400 and upper light guide 500, lower light guide 400 are fixed on the upper surface of pcb board 100, and upper light guide 500, which is fixed on down, leads
The top of light part 400, the rotating shaft of encoder 200 may pass through after lower light guide 400 and upper light guide 500 with the phase of knob assembly 600
It is connected.
Please referring also to Fig. 4 and Fig. 5, lower light guide 400 is round table-like in rotary symmetrical, around shape at its inside center
Cheng Yike is through the upper bottom of lower light guide 400 and bottom, the first accommodating cavity 405 for housing encoder 200, the first accommodating cavity
The first infolding reflecting surface 404 is formed on 405 side wall, the first infolding reflecting surface 404 is inwardly protruding.
Plane the first exiting surface 401 of formation residing for the upper bottom of lower light guide 400, the lateral wall of lower light guide 400 is formed
First rolled over reflecting surface 403, the first rolled over reflecting surface 403 caves inward in an arcuation.
Lower light guide 400 towards LED 300 one side and respectively correspond to LED 300 position at cave inward, formed
Formation first on the internal reflective cavity 402 of LED 300, the inwall of internal reflective cavity 402 can be accommodated and enter smooth surface 4021；LED 300 is sent out
The light gone out enters smooth surface 4021 from first and entered, multiple catadioptric through the first rolled over reflecting surface 403 and the first infolding reflecting surface 404
Projected upwards from the first exiting surface 401 after penetrating and diffusing.
Please referring also to Fig. 6 and Fig. 7, upper light guide 500 is in the annular shape of rotary symmetrical, its base plane formation second
Enter on smooth surface 502, top planes the second exiting surface 501 of formation, the surface of the second exiting surface 501 and be formed uniformly frosted line.
The second accommodating cavity 505 of a tubular is formed at the inside center opening of upper light guide 500, along the second accommodating cavity 505
Side wall medium position it is outward-dipping and towards upper light guide 500 top planes direction formed a chamfer plane, the chamfering
Plane is the second infolding reflecting surface 504.
Be formed uniformly on second infolding reflecting surface 504 it is multiple can insertion to the second positioning hole entered outside smooth surface 502
506。
Annular outer side wall the second rolled over reflecting surface 503 of formation of upper light guide 500, the second rolled over reflecting surface 503 vertical the
Two enter smooth surface 502.
The light that LED 300 is sent from the first exiting surface 401 of lower light guide 400 enters from the second of upper light guide 500
Smooth surface 502 enters, from the second light extraction after the multiple catadioptric of the second rolled over reflecting surface 503 and the second infolding reflecting surface 504
Projected on face 502, the light projected from the second exiting surface 502 continues up injection from the lower section that knob constitutes 600, with rotation
A uniform and aperture annular in shape is formed around button composition 600.
Please referring also to Fig. 8, knob assembly 600 includes knob body 601 and knob rosette 602, and knob body 601 is filled
In rotating shaft assigned in encoder 200, knob rosette 602 is assemblied in the top of knob body 601, presses downwards and turn knob
Assembly 600 can trigger encoder 200 and carry out feature operation.
Lower light guide 400 is semi-transparent PC astigmatism material, and with compared with high diffusibility and light transmittance, surface is handled using bloom,
Corresponding mold polish is its more than 2500 mesh frustum cone structure（Upper circle is small, and lower circle is big）, control panel can be utilized to greatest extent
Internal space, during practical application, can be cut off to lower circular portion structure and keep away position 407 to produce, and upper round structure retains, with full
Sufficient mounted inside requirement；It is preferred that, to reach more preferable light catadioptric and diffusion effect, the first rolled over reflecting surface 403 is following
In one kind：Concave curvatures and plane, the first infolding reflecting surface 404 are one kind in following：Convex surface and plane, also,
The surface of first exiting surface 401, the first infolding reflecting surface 404 and the first rolled over reflecting surface 403 is designed to eyeglass bloom.
The internal reflective cavity 402 of lower light guide 400 be shaped as it is following in one kind：V-type and trapezium structure, surface uses minute surface
Bloom.
The upper semi-transparent PC astigmatism material of light guide 500, with compared with high diffusibility and light transmittance, whole light guide surface is using high
Light processing, corresponding mold polish is more than 2500 mesh.
What the positioning hole 506 being formed with the first exiting surface 401 of lower light guide 400 with lower light guide 400 matched determines
Position post 406；Positioning hole 506 connects with the matching of locating dowel 406 can be such that upper light guide 500 is integrated with the assembling of lower light guide 400, this
Case connected mode is rivet hot, it is also possible to which ultrasonic bonding is connected by button bit.
During practical application, the He of upper light guide 500 connected with central axis rivet hot is set in the top of two LEDs 300
The internal reflective cavity 402 of the LED 300, the internal reflection can be accommodated by being formed with lower light guide 400, the lower light guide 400
First is formed on the inwall of chamber 402 and enters smooth surface 4021；Lower light guide 400 is round table-like in rotary symmetrical, in its inside center
Locate the first accommodating cavity 405 can run through the upper bottom of lower light guide 400 around formation one and go to the bottom, for housing encoder, the
The first infolding reflecting surface 404 is formed on the side wall of one accommodating cavity 405, the first infolding reflecting surface 404 is inwardly protruding, catadioptric in first
Penetrate 404 pairs from first of face and enter the light progress light path adjustment that smooth surface 4021 enters inside lower light guide 400；Lower light guide 400
Lateral wall the first rolled over reflecting surface 403 of formation, the first rolled over reflecting surface 403 caves inward in an arcuation, the first rolled over reflecting surface
403 pairs of the first infolding of process reflectings surface 404 are conducted through the light path adjustment of the light progress come again；The upper bottom of lower light guide 400
The first exiting surface 401 of residing plane formation, the first rolled over reflecting surface 403 again by light conduction to the first exiting surface 401 and from
Project to outside its top；Upper light guide 500 be in rotary symmetrical annular shape, its base plane formation second enter smooth surface 502,
Frosted line is formed uniformly on top planes the second exiting surface 501 of formation, the surface of the second exiting surface 501, from lower light guide 400
The first exiting surface 401 project light from second enter smooth surface 502 enter upper light guide 500 inside；Upper light guide 500 it is interior
The second accommodating cavity 505 of a tubular is formed at portion's central opening, the medium position along the side wall of the second accommodating cavity 505 is outward-dipping
And a chamfer plane is formed towards the top planes direction of upper light guide 500, the chamfer plane is the second infolding reflecting surface
504, through the second light for entering the direct projection of smooth surface 502, along light source direct projection direction and it is in one of the lower section of the second infolding reflecting surface 504
Light splitter produced at the second infolding reflecting surface 504 refraction, the light of another part direct projection then continue along former direction conduct and from
Second exiting surface 501 is projected；Annular outer side wall the second rolled over reflecting surface 503 of formation of upper light guide 500, the second rolled over reflecting surface
503 vertical second enter smooth surface 502, and the light after being reflected through the second infolding reflecting surface 504 is conducted to the second rolled over reflecting surface 503
Place carries out refraction again, and the light part after reflecting again conducted to the second infolding reflecting surface 504 again, another
Part is then conducted to the second exiting surface 501 and projected to outside；Light is in the second infolding reflecting surface 504 and the second outer catadioptric
Between face 503 outside is conducted to after multiple refraction and diffusing reflection from the second exiting surface 501；Outside upper light guide 500
Footpath is more than the external diameter for the knob composition 600 being disposed thereon, and the light that LED 300 is sent sequentially passes through the lower He of light guide 400
Exported after the multiple refraction of upper light guide 500, diffusing reflection from the second exiting surface 501, now, can be around knob composition 600
Form a uniform and aperture annular in shape.
To sum up, knob light guiding ring structure of the present utility model, using upper light guide and the special construction of lower light guide, makes light
Line enters smooth surface from first first and entered in lower light guide, then is produced via the structure of the first rolled over reflecting surface and the first infolding reflecting surface
From the export of the first exiting surface after raw multiple refraction, diffusing reflection, then light enters smooth surface into upper light guide from second again, then upper
Produced in light guide via the structure of the second infolding reflecting surface and the second rolled over reflecting surface after multiple refraction, diffusing reflection from second
Exiting surface is exported, so as to reach uniform final display effect.Knob light guiding ring structure of the present utility model, compact limited
In structure space, using two vertical LED/light sources, designed by truncated cone-shaped knob light guiding ring structure, make the outer ring gap of knob equal
Even leaded light, can reduce LED/light source quantity on the basis of light guide ring translucency, uniformity is met, save product cost.
Although being to combine embodiments above to carry out to description of the present utility model, it is familiar with the art
Personnel many replacements, modifications and variations can be carried out according to above-mentioned content, are obvious.Therefore, it is all such
Substitute, improve and change and be included in the spirit and scope of appended claims.
Claims (7)
1. a kind of knob light guiding ring structure, it includes encoder on pcb board, and surface mounted thereto and two vertical
LED, the encoder is arranged on suit in the rotating shaft at the top of the centre of two LEDs, the encoder and is fixed with one
Knob assembly, it is characterised in that the equal and concentric setting of the encoder is also associated between the knob assembly and pcb board
Lower light guide and upper light guide, the lower light guide are fixed on the upper surface of the pcb board, and the upper light guide is fixed on described
The top of lower light guide, the rotating shaft of the encoder may pass through after the lower light guide and upper light guide with the knob assembly phase
It is connected；The lower light guide is round table-like in rotary symmetrical, at its inside center around form one can be under described
Shape on the upper bottom of light guide and the first accommodating cavity going to the bottom, for housing the encoder, the side wall of first accommodating cavity
Into the first infolding reflecting surface, the first infolding reflecting surface is inwardly protruding；Plane residing for the upper bottom of the lower light guide is formed
First exiting surface, lateral wall the first rolled over reflecting surface of formation of the lower light guide, the first rolled over reflecting surface caves inward
In an arcuation；The lower light guide towards the LED one side and respectively correspond to the LED position at cave inward,
Formation can accommodate formation first on the internal reflective cavity of the LED, the inwall of the internal reflective cavity and enter smooth surface.
2. knob light guiding ring structure according to claim 1, it is characterised in that the upper light guide is in rotary symmetrical
Annular shape, its base plane formation second is entered on smooth surface, top planes the second exiting surface of formation, the surface of second exiting surface
It has been formed uniformly frosted line；The second accommodating cavity of a tubular is formed at the inside center opening of the upper light guide, along described the
The medium position of the side wall of two accommodating cavities is outward-dipping and flat towards top planes direction one chamfering of formation of the upper light guide
Face, the chamfer plane is that multiple insertions have been formed uniformly on the second infolding reflecting surface, the second infolding reflecting surface to described
Second positioning hole entered outside smooth surface；The annular outer side wall of the upper light guide is formed outside the second rolled over reflecting surface, described second
Smooth surface is entered in catadioptric face vertical described second.
3. knob light guiding ring structure according to claim 2, it is characterised in that during the first rolled over reflecting surface is following
One kind：Concave curvatures and plane.
4. knob light guiding ring structure according to claim 2, it is characterised in that during the first infolding reflecting surface is following
One kind：Convex surface and plane.
5. knob light guiding ring structure according to claim 2, it is characterised in that the internal reflective cavity shape of the lower light guide
For one kind in following：V-type and trapezium structure, the surface of first exiting surface is DE Specular Lighting.
6. knob light guiding ring structure according to claim 2, it is characterised in that on the first exiting surface of the lower light guide
It is formed with the locating dowel matched with the positioning hole of the lower light guide；The positioning hole connects and can made with locating dowel matching
The upper light guide is integrated with the assembling of lower light guide.
7. the knob light guiding ring structure according to any one of claim 1 ~ 6, it is characterised in that the knob assembly includes rotation
Button main body and knob rosette, the knob body are assemblied in the rotating shaft of the encoder, and the knob rosette is assemblied in
The top of the knob body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435151.0U CN206409975U (en) | 2016-12-23 | 2016-12-23 | A kind of knob light guiding ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435151.0U CN206409975U (en) | 2016-12-23 | 2016-12-23 | A kind of knob light guiding ring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409975U true CN206409975U (en) | 2017-08-15 |
Family
ID=59551596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621435151.0U Withdrawn - After Issue CN206409975U (en) | 2016-12-23 | 2016-12-23 | A kind of knob light guiding ring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409975U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764683A (en) * | 2016-12-23 | 2017-05-31 | 惠州华阳通用电子有限公司 | A kind of knob light guiding ring structure and its light control method |
| CN113050699A (en) * | 2020-08-30 | 2021-06-29 | 惠州华阳通用电子有限公司 | Control method and device based on magnetic encoder |
| WO2022089125A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市吉迩科技有限公司 | Button light guide apparatus and method, and aerosol generating apparatus |
-
2016
- 2016-12-23 CN CN201621435151.0U patent/CN206409975U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764683A (en) * | 2016-12-23 | 2017-05-31 | 惠州华阳通用电子有限公司 | A kind of knob light guiding ring structure and its light control method |
| CN106764683B (en) * | 2016-12-23 | 2023-04-18 | 惠州华阳通用电子有限公司 | Knob light guide ring structure and light control method thereof |
| CN113050699A (en) * | 2020-08-30 | 2021-06-29 | 惠州华阳通用电子有限公司 | Control method and device based on magnetic encoder |
| CN113050699B (en) * | 2020-08-30 | 2024-01-12 | 惠州华阳通用电子有限公司 | Control method and device based on magnetic encoder |
| WO2022089125A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市吉迩科技有限公司 | Button light guide apparatus and method, and aerosol generating apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170815 Effective date of abandoning: 20230418 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170815 Effective date of abandoning: 20230418 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |