CN205592822U - Car light total reflection short -distance beam combination module - Google Patents
Car light total reflection short -distance beam combination module Download PDFInfo
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- CN205592822U CN205592822U CN201620102319.XU CN201620102319U CN205592822U CN 205592822 U CN205592822 U CN 205592822U CN 201620102319 U CN201620102319 U CN 201620102319U CN 205592822 U CN205592822 U CN 205592822U
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- light
- projector
- dipped beam
- total reflection
- combination module
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Abstract
The utility model relates to a car light total reflection short -distance beam combination module, adjust the structure from top to bottom including the projector (1), dimming support (2), radiator (3), LED circuit board (7), radiator, radiator (3) and LED circuit board (7) are connected fixedly, and the projector (1) is connected with LED circuit board (7) and is fixed, be equipped with the fulcrum that is used for supporting the projector (1) on dimming support (2), the radiator is adjusted the structure from top to bottom and when adjusting about going on, is driven the projector (1) and adjust around the fulcrum luffing motion, the projector (1) is the column body part of an appearance rule, and including the spotlight ware structure (11) of afterbody, light screen structure (12), lens structure (13) of head at middle part, spotlight ware structure (11) assembles the light of dispersing that the LED light source sent to square one -tenth is nodical in the front, at cross point position, shelters from through light screen structure (12) and forms short -distance beam cut -off line, and light rethread lens structures (13) jet out forward.
Description
Technical field
This utility model relates to a kind of car light total reflection dipped beam combination module, belongs to car light technical field.
Background technology
Along with LED light source application in car light, PES or the reflective dipped beam module of the most single bulb source, there is huge change.For entry level, intermediate and senior dipped beam performance requirement, it is the most all to develop different PES accordingly to meet different rank requirements.The development amount of do so is bigger, and moulding is single, the generally circular in cross section or lens moulding of squarish, it is clear that this will not adapt to client's requirement in the future to dipped beam module.The dipped beam model form that increasing client is single before starting to be weary of, and it is sought for the moulding of some novel, changeable, personalized and scientific and technological senses.
From the point of view of the utilization ratio in space, the critical optical part of distributing dipped beam module is three independent parts at present, as shown in Figure 1, lens diameter φ about 40mm, the cumulative volume of module is limited, and owing to reflecting mirror, baffle plate and lens all need corresponding mounting structure to be assemblied on module, cause current dipped beam modular volume bigger, it is impossible to flexible arrangement goes out various moulding in limited lamp body space.
From the point of view of the utilization ratio of light, see Fig. 1, the critical optical components of current dipped beam module is typically made up of opticators such as reflecting mirror, baffle plate and lens, it is difficulty with seamless connection between three parts, have many light to lose in centre, final not break forth from lens, and the multiple risks repeatedly reflecting due to light and reflecting, and light efficiency is relatively low.
From the point of view of the assembly precision of parts, seeing Fig. 1, the critical optical components of current dipped beam module adheres to different part body separately, and assembly precision is not only affected by the machining accuracy of part, and is affected the biggest by installation accuracy.
Utility model content
This utility model technical issues that need to address are: existing car light dipped beam module, and volume is bigger, it is impossible in limited lamp body space, flexible arrangement goes out various moulding, and space efficiency utilization is relatively low；Being difficulty with seamless connection between reflecting mirror, baffle plate and three parts of lens, have many light and lose in centre, final not break forth from lens, and the multiple risks repeatedly reflecting due to light and reflecting, and the utilization ratio of light is relatively low；Assembly precision is more difficult to be guaranteed；Fixing optical property grade can only be met.
This utility model takes techniques below scheme:
A kind of car light total reflection dipped beam combination module, including projector 1, light modulation support 2, radiator 3, LED circuit board 7, radiator up-down adjustment structure；Described radiator 3 is connected fixing with LED circuit board 7, and being connected with LED circuit board 7 of described projector 1 is fixing；Described light modulation support 2 is provided with the fulcrum for supporting projector 1, when described radiator up-down adjustment structure carries out up-down adjustment, drives described projector 1 to swing up and down regulation around described fulcrum；Described projector 1 is the column part of a profile rule, including the concentrator construction 11 of afterbody, the anti-dazzle plate structure 12 at middle part, the lens arrangement 13 of head, the diverging light that LED light source is sent by described concentrator construction 11 converges, and intersection point is formed in front, at position of intersecting point, blocking formation dipped beam dead line by described anti-dazzle plate structure 12, light is penetrated forward by described lens arrangement 13 again.
Further, light regulating bolt 4, light-adjusting nut 5, retaining reed 6 are also included；Described light modulation support 2 is provided with at least one cylindrical hole, described light regulating bolt 4 is through described cylindrical hole, by described retaining reed 6, described light regulating bolt 4 is fixed on described light modulation support 2, described light-adjusting nut 5 is arranged on described light regulating bolt 4 by screw thread pair, described radiator 3 is contained on described light-adjusting nut 5, and described LED circuit board 7 is positioned on described radiator 3 by the straight pin on described projector 1.
Further, described projector 1 profile is cylindrical structure, the tapered structure of its afterbody.
Further, the refractive index of described projector 1 is more than the refractive index of air, the light sent by the LED light source in described LED circuit board 7, when propagating in described projector 1, light is irradiated on described concentrator construction 11, angle of incidence is more than or equal to the cirtical angle of total reflection, and the light being irradiated on described concentrator construction 11 is without refraction, and whole light return internal continuation of projector and propagate.
Further, described light regulating bolt 4 bottom is provided with profile of tooth coiled hair, rotation by described profile of tooth coiled hair, transfer torque to described light regulating bolt 4 upper end, described light regulating bolt rotates to drive and moves up and down with its light-adjusting nut 5 coordinated, and described light-adjusting nut moves up and down the described radiator 3 of driving and moves up and down.
Further, described projector 1 is provided with coaxial 2 pivot structure, and moving up and down of described radiator 3 drives described projector 1 to rotate around the axis of described pivot structure.
Further, the dipped beam light efficiency of described total reflection dipped beam combination module is between 45%-50%.
Further, the pitch of described light regulating bolt 4 is 0.6mm, the 0.1 °/r of light modulation precision of described car light total reflection dipped beam combination module.
Further, described car light total reflection dipped beam combination module compact, described projector diameter phi 20mm, long equal or close to 81.5mm, wide equal or close to 27.5mm, high equal or close to 20mm, the fitted position length of described total reflection dipped beam combination module is equal or close to 115.5mm, wide equal or close to 27.5mm, high equal or close to 48.5mm.
Further, described projector 1 cross section is circular or the square of length of side 20mm.
The beneficial effects of the utility model are:
1) car light total reflection dipped beam combination modular volume significantly reduces, and flexible arrangement can go out various moulding, can realize the moulding that prior art cannot realize in limited lamp body space, and space efficiency utilization is greatly improved；
2) realizing seamless connection between reflecting mirror, baffle plate and three parts of lens, light loss after superrefraction and reflection is less, and the utilization ratio of light is substantially improved；
3) simple in construction, assembly precision is guaranteed；
4) being combined by the module of varying number, can reach different grades of optical performance requirements, optical property grade can regulate, it is to avoid completely newly developing dipped beam module for certain optical property grade, the construction cycle is short；
5) simple in construction, cost reduces, and reliability is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of car light dipped beam combination module in prior art.
Fig. 2 is the three-dimensional structure diagram of this utility model car light total reflection dipped beam combination module.
Fig. 3 is that the light in projector moves towards schematic diagram.
Fig. 4 is the combination shaping schematic diagram of this utility model total reflection dipped beam combination module.
In figure, 1. projector, 2. light modulation support, 3. radiator, 4. light regulating bolt, 5. light-adjusting nut, 6. retaining spring, 7.LED circuit board, 11. concentrator construction, 12. anti-dazzle plate structures, 13. lens arrangements, 14. lens, 15. baffle plates, 16. reflecting mirrors.
Detailed description of the invention
With specific embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As in figure 2 it is shown, this utility model embodiment provides a kind of total reflection dipped beam combination module, for the illumination of automobile, it is placed in car headlamp.This total reflection dipped beam combination module includes projector 1, light modulation support 2, radiator 3, light regulating bolt 4, light-adjusting nut 5, retaining reed 6 and LED circuit board 7, the cylindrical hole of light regulating bolt 4 and light modulation support 2 coordinates, by retaining reed 6, light regulating bolt 4 and light modulation support 2 are fixed, light-adjusting nut 5 and light regulating bolt 4 are coordinated by screw thread pair, radiator 3 is enclosed within light-adjusting nut 5, coated with thermally conductive glue between LED circuit board 7 and radiator 3, LED circuit board 7 is positioned on radiator 3 by 2 straight pins on projector 1, projector 1 realizes buckle by 2 borehole structures of 2 circular shaft structures and light modulation support 2 and installs.This total reflection dipped beam combination module overall dimension for being about 115.5mm, wide about 27.5mm, high about 48.5mm, compare the most common dipped beam module volume that takes up room little.
This total reflection dipped beam combination module can realize finely tuning light up and down, and with the dipped beam horizontal cut line that aligns, its light adjusting system includes dimming support 2, light regulating bolt 4, light-adjusting nut 5 and retaining reed 6.Light modulation instrument is utilized to transfer torque to light regulating bolt 4 upper end by light regulating bolt 4 bottom profile of tooth coiled hair, light regulating bolt 4 rotates to drive and moves up and down with its light-adjusting nut 5 coordinated, moving up and down of light-adjusting nut 5 drives radiator 3 and LED circuit board 7 fixed thereon, projector 1 axis of rotation of front end on projector 1, thus realizes finely tuning light up and down.
The pitch of light regulating bolt 4 is 0.6mm, and the light modulation precision of this total reflection dipped beam combination module can reach 0.1 °/r.
The most common dipped beam module, typically it is made up of critical optical parts such as independent condenser or reflecting mirror part, dark slide part and lens part, owing to its relative positional accuracy is not only affected by respective machining accuracy, also affected by assembly precision, and concentrator construction 11, anti-dazzle plate structure 12 and lens arrangement 13 these three critical optical are partially integrated in one by the projector 1 of the present embodiment total reflection dipped beam combination module, without assembly process, under same machining accuracy, between optical texture relative positional accuracy high.
Seeing Fig. 4, the single-chip LED that LED is 250lm output of this total reflection dipped beam combination module, single module is output as between 110lm-115lm on dipped beam 25m screen, and dipped beam light efficiency is between 45%-50%.Dipped beam output total reflection dipped beam combination module can meet the dipped beam light distribution requirements of car headlamp by the combination of 6 quantity, wherein 4 total reflection dipped beam combination modules are mainly used in irradiating dipped beam broadening, and other 2 are mainly used in irradiating dipped beam dead line and center brightness.
When the dipped beam carrying out different brackets optical property designs, 6 this total reflection dipped beam combination modules being combined design, dipped beam output can be between 660lm-690lm.7 this total reflection dipped beam combination modules are combined design, and dipped beam output can be between 770lm-805lm.8 this total reflection dipped beam combination modules are combined design, and dipped beam output can be between 880lm-920lm.
As shown in Fig. 2-Fig. 3, the light source sent as the LED in LED circuit board 7 concentrator construction 11 on projector 1 converges, and forms intersection point in front, at position of intersecting point, blocking formation dipped beam dead line by anti-dazzle plate structure 12, light is penetrated by lens arrangement 13 again.
Projector 1 material of this total reflection dipped beam combination module can be PC.
This total reflection dipped beam combination module can be arranged by different spatial forms, it is achieved different dipped beam model form, and due to the compact of this total reflection dipped beam combination module, it is possible to realize variously-shaped matrix moulding.See Fig. 4,6 this total reflection dipped beam combination modules are angularly distributed around a certain center of circle on same circle, it is possible to achieve the circular matrix moulding shown in figure, because the diameter of projector only has φ 20mm, so this moulding more personalized and science and technology sense.
This total reflection dipped beam combination module is when locus is arranged, due to its compact, and spatially can be with flexible arrangement.Except above-mentioned circular matrix, it is also possible to be arranged to square matrix, arc line shaped matrix, trapezoidal matrix or other irregular matrix modeling schemes.
Claims (10)
1. a car light total reflection dipped beam combination module, it is characterised in that:
Including projector (1), light modulation support (2), radiator (3), LED circuit board (7), radiator up-down adjustment structure；
Described radiator (3) is connected fixing with LED circuit board (7), and described projector (1) is connected fixing with LED circuit board (7)；
Described light modulation support (2) is provided with the fulcrum for supporting projector (1), when described radiator up-down adjustment structure carries out up-down adjustment, drives described projector (1) to swing up and down regulation around described fulcrum；
Described projector (1) is the column part of a profile rule, including the concentrator construction (11) of afterbody, the anti-dazzle plate structure (12) at middle part, the lens arrangement (13) of head, the diverging light that LED light source is sent by described concentrator construction (11) converges, and intersection point is formed in front, at position of intersecting point, blocking formation dipped beam dead line by described anti-dazzle plate structure (12), light is penetrated forward by described lens arrangement (13) again.
2. car light total reflection dipped beam combination module as claimed in claim 1, it is characterised in that: also include light regulating bolt (4), light-adjusting nut (5), retaining reed (6)；Described light modulation support (2) is provided with at least one cylindrical hole, described light regulating bolt (4) passes described cylindrical hole, by described retaining reed (6), described light regulating bolt (4) is fixed on described light modulation support (2), described light-adjusting nut (5) is arranged on described light regulating bolt (4) by screw thread pair, described radiator (3) is contained on described light-adjusting nut (5), and described LED circuit board (7) is positioned on described radiator (3) by the straight pin on described projector (1).
3. car light total reflection dipped beam combination module as claimed in claim 1, it is characterised in that: described projector (1) profile is cylindrical structure, the tapered structure of its afterbody.
4. car light total reflection dipped beam combination module as claimed in claim 1, it is characterized in that: the refractive index of described projector (1) is more than the refractive index of air, the light sent by the LED light source in described LED circuit board (7), when propagating in described projector (1), light is irradiated on described concentrator construction (11), angle of incidence is more than or equal to the cirtical angle of total reflection, the light being irradiated on described concentrator construction (11) is without refraction, and whole light return internal continuation of projector and propagate.
5. car light total reflection dipped beam combination module as claimed in claim 2, it is characterized in that: described light regulating bolt (4) bottom is provided with profile of tooth coiled hair, rotation by described profile of tooth coiled hair, transfer torque to described light regulating bolt (4) upper end, described light regulating bolt rotates to drive and moves up and down with its light-adjusting nut (5) coordinated, and described light-adjusting nut moves up and down the described radiator of driving (3) and moves up and down.
Car light the most according to claim 5 total reflection dipped beam combination module, it is characterized in that: described projector (1) is provided with coaxial 2 pivot structure, moving up and down of described radiator (3) drives described projector (1) to rotate around the axis of described pivot structure.
Car light the most according to claim 1 total reflection dipped beam combination module, it is characterised in that: the dipped beam light efficiency of described total reflection dipped beam combination module is between 45%-50%.
Car light the most according to claim 5 total reflection dipped beam combination module, it is characterised in that: the pitch of described light regulating bolt (4) is 0.6mm, the 0.1 °/r of light modulation precision of described car light total reflection dipped beam combination module.
Car light the most according to claim 1 total reflection dipped beam combination module, it is characterized in that: described projector diameter is equal or close to φ 20mm, long equal or close to 81.5mm, wide equal or close to 27.5mm, high equal or close to 20mm, the fitted position length of described total reflection dipped beam combination module is equal or close to 115.5mm, wide equal or close to 27.5mm, high equal or close to 48.5mm.
10. it is totally reflected dipped beam combination module according to the car light described in claim 1 or 9, it is characterised in that: described projector (1) cross section is circle or the square of length of side 20mm of diameter phi 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102319.XU CN205592822U (en) | 2016-02-01 | 2016-02-01 | Car light total reflection short -distance beam combination module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102319.XU CN205592822U (en) | 2016-02-01 | 2016-02-01 | Car light total reflection short -distance beam combination module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592822U true CN205592822U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620102319.XU Withdrawn - After Issue CN205592822U (en) | 2016-02-01 | 2016-02-01 | Car light total reflection short -distance beam combination module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205592822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546452A (en) * | 2016-02-01 | 2016-05-04 | 上海小糸车灯有限公司 | Total-reflection lower beam combined module of car lamp |
-
2016
- 2016-02-01 CN CN201620102319.XU patent/CN205592822U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546452A (en) * | 2016-02-01 | 2016-05-04 | 上海小糸车灯有限公司 | Total-reflection lower beam combined module of car lamp |
| CN105546452B (en) * | 2016-02-01 | 2018-03-23 | 上海小糸车灯有限公司 | A kind of car light total reflection dipped beam combination module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160921 Effective date of abandoning: 20180323 |
|
| AV01 | Patent right actively abandoned |