CN104848058A - Adjustable LED lighting device - Google Patents
Adjustable LED lighting device Download PDFInfo
- Publication number
- CN104848058A CN104848058A CN201510180636.3A CN201510180636A CN104848058A CN 104848058 A CN104848058 A CN 104848058A CN 201510180636 A CN201510180636 A CN 201510180636A CN 104848058 A CN104848058 A CN 104848058A
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- led
- out part
- guiding pillar
- 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.)
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- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 2
- 238000005286 illumination Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides an adjustable LED lighting device comprising a lamp bulb shell, a light guide column, a light source assembly, a substrate and a lamp holder. The light guide column is arranged above the light source assembly. The light source assembly is arranged on the top face of the substrate. The lamp bulb shell is fixed to the upper portion of the lamp holder and covers the light guide column and the substrate. The light guide column comprises a first light outgoing portion and a second light outgoing portion. The light guide column is of a column structure with the middle portion provided with a light hole. The light hole of the light guide column forms the first light outgoing portion. The column structure of the light guide column forms the second light outgoing portion. The light source assembly comprises a first LED light source and a second LED light source. The first LED light source and the second LED source correspond to the first light outgoing portion and the second light outgoing portion respectively. The first light outgoing portion is used for enabling light emitted by the first LED light source to be emitted towards the top of the lamp bulb, and the second light outgoing portion is used for enabling the light emitted by the second LED light source to be emitted towards the side wall and the bottom of the lamp bulb shell. The adjustable LED lighting device has the advantage of capable of emitting light rays at different angles.
Description
Technical field
The present invention relates to lighting field, particularly a kind of adjustable LED illuminating device.
Background technology
Light emitting diode is high with its brightness, operating voltage is low, power consumption is little, easily mate with integrated circuit, drive the advantages such as simple, the life-span is long, thus can be used as light source and be widely used in lighting field.Existing LED light device generally comprises at least two can send different monochromatic LED, by mixing monochromatic light that these two kinds of LED send and the electric current of these two kinds of LED of modulation can obtain required coloured light.At this, exporting to obtain stable coloured light, the electric current of each LED must be controlled accurately.In prior art, common used PWM (Pulse Width Modulation) control mode carrys out the electric current of each LED of modulation to obtain multiple different stable coloured light.Such as Shen Qing Publication day is on 07 16th, 2014, the patent No. be 201410126694.3 Chinese invention patent disclose a kind of tunable optical toning LED.This LED comprises current rectifying and wave filtering circuit, constant-current control circuit, LED light source and PWM output module, described PWM output module has the first signal output part and multiple secondary signal output, first signal output part is connected the brightness regulating described LED light source with constant-current control circuit, each secondary signal output and an on-off circuit connect to regulate the electric current flowing through its corresponding LED string.
But the LED control mode of this tunable optical toning is comparatively complicated and can only realize the illumination of an angle, the illumination needs of multiple scene cannot be realized.Such as, in dining room, need the illumination of smaller angle when people have dinner, and when preparing for a meal, then need the illumination of larger angle.
Summary of the invention
In view of this, be necessary to provide a kind of adjustable LED illuminating device that can send the light of two kinds of different angles.
The technical solution used in the present invention is: a kind of adjustable LED illuminating device, comprise bulb housing, light-guiding pillar, light source assembly, substrate and body, this light-guiding pillar is arranged on the top of described light source assembly, described light source assembly is arranged on the end face of this substrate, this bulb housing is fixed on the top of this body and cover establishes this light-guiding pillar and substrate, this light-guiding pillar comprises the first light out part and the second light out part, this light-guiding pillar is the column structure that middle part is provided with loophole, the loophole of this light-guiding pillar forms the first light out part, the column structure of this light-guiding pillar forms the second light out part, described light source assembly comprises the first LED light source and the second LED light source, this first LED light source and the second LED light source are respectively to should the first light out part and the second light out part arrange, this first light out part is for the light that makes this first LED light source and the send top-emission towards this bulb housing, this second light out part for the light that makes this second LED light source and send towards the sidewall of this bulb housing and bottom emission.
Compared with prior art, this adjustable LED illuminating device by arranging light-guiding pillar above first LED light source and the second LED light source of light source assembly, and the adjustment that the first light out part and the second light out part realize light source assembly distribution curve flux is set on this light-guiding pillar, the illumination of two or more beam angle can be realized respectively.Therefore this adjustable LED illuminating device has the advantage of the light that can send two kinds of different angles.
Accompanying drawing explanation
Fig. 1 is the sectional view of first embodiment of the invention adjustable LED illuminating device.
Fig. 2 is the three-dimensional exploded view of adjustable LED illuminating device shown in Fig. 1.
Fig. 3 is the light path route map of the light source of adjustable LED illuminating device shown in Fig. 1 through the first light out part.
Fig. 4 is the light path route map of the light source of adjustable LED illuminating device shown in Fig. 1 through the second light out part.
Description of reference numerals:
100 adjustable LED illuminating devices
10 bulb housings
20 light-guiding pillars
21 first light out part
211 exiting surfaces
212 reflective surfaces
213 convex lens
214 grooves
22 second light out part
221 protuberances
23 loopholes
30 light source assemblies
31 first LED light sources
32 second LED light sources
40 substrates
50 drivers
51 first drivers
52 second drivers
60 bodys
Detailed description of the invention
Fig. 1 is the sectional view of first embodiment of the invention adjustable LED illuminating device 100, comprise bulb housing 10, light-guiding pillar 20, light source assembly 30, substrate 40 and body 60, this light-guiding pillar 20 is arranged on the top of this light source assembly 30, this light source assembly 30 is arranged on the end face of this substrate 40, and this bulb housing 10 is fixed on the top of this body 60 and cover establishes this light-guiding pillar 20 and substrate 40.This light-guiding pillar 20 comprises the first light out part 21 and the second light out part 22.This light-guiding pillar 20 is provided with the column structure of loophole 23 for middle part, and the loophole 23 of this light-guiding pillar 20 forms the first light out part 21, and the column structure of this light-guiding pillar 20 forms the second light out part 22.This light source assembly 30 comprises the first LED light source 31 and the second LED light source 32.This first LED light source 31 and the second LED light source 32 respectively to should the first light out part 21 and the second light out part 22 arrange, and are separately positioned on immediately below this first light out part 21 and the second light out part 22.This first light out part 21 for the light that makes this first LED light source 31 and the send top-emission towards this bulb housing 10, this second light out part 22 for the light that makes this second LED light source 32 and send towards the sidewall of this bulb housing 10 and bottom emission.This bulb housing 10 is made up of light transmissive material, and this bulb housing 10 was hemisphere bubble shell structure.
Please refer to Fig. 1 and Fig. 2, the top of this light-guiding pillar 20 bends to the direction, axis away from this light-guiding pillar 20 this second light out part 22 extended to form, this second light out part 22 comprises reflective surface 222 and exiting surface 221, this reflective surface 222 is arranged on the top of this exiting surface 221, the light that this reflective surface 222 sends for reflecting this second LED light source 32 towards this exiting surface 221.This exiting surface 221 is the globoidal structure protruded out bottom this bulb housing 10, and this exiting surface 221, for the bottom refracted ray towards this bulb housing 10, makes the bottom of this bulb housing 10 be shone brighter than other positions.This reflective surface 222 is for being positioned at the globoidal structure directly over this second LED light source 32.The bottom surface of this light-guiding pillar 20 is loop configuration, and this second LED light source 32 is the LED light source of many annular array, and the bottom surface of this light-guiding pillar 20 protrudes out towards this second LED light source 32 and is provided with protuberance 223.This reflective surface 222, protuberance 223 are all positioned at directly over this second LED light source 32, this protuberance 223 protrudes towards this second LED light source 32 and arranges, be to utilize convex lens effect, the light that this second LED light source 32 is sent converges towards this reflective surface 222.This first light out part 21 comprises convex lens 213, and these convex lens 213 to be arranged in this loophole 23 and to be positioned at the top of this first LED light source 31.The bottom of these convex lens 213 is provided with groove 214, and this groove 214 is arranged towards this first LED light source 31.Also comprise driver 50, this driver 50 exports control signal respectively to this first LED light source 31 with this second LED light source 32, controls the break-make of this first LED light source 31 and this second LED light source 32 respectively.
In the course of work, user can control the duty of this first LED light source 31 and this second LED light source 32 respectively by controlling this driver 50.When this first LED light source 31 works, the top of this bulb housing 10 is illuminated, and the light path route map of this adjustable LED illuminating device 100 light source as shown in Figure 3; When this second LED light source 32 works, sidewall and the bottom of this bulb housing 10 are illuminated, and the light path route map of this adjustable LED illuminating device 100 light source as shown in Figure 4; Therefore adjustable LED illuminating device 100 can carry out the adjustment of distribution curve flux easily according to different scene.
In sum, this adjustable LED illuminating device 100 by arranging light-guiding pillar 20 above light source assembly 30, and arranges the adjustment that the first light out part 21 and the second light out part 22 realize light source assembly 30 distribution curve flux on this light-guiding pillar 20.This adjustable LED illuminating device 100 structure is simple, does not need to arrange the control that multiple drive IC can realize exporting LED light source angle and brightness, and therefore this adjustable LED illuminating device 100 has the simple and advantage that distribution curve flux is adjustable of structure.
Claims (9)
1. an adjustable LED illuminating device, comprise bulb housing, light-guiding pillar, light source assembly, substrate and body, this light-guiding pillar is arranged on the top of described light source assembly, described light source assembly is arranged on the end face of this substrate, this bulb housing is fixed on the top of this body and cover establishes this light-guiding pillar and substrate, it is characterized in that, this light-guiding pillar comprises the first light out part and the second light out part, this light-guiding pillar is the column structure that middle part is provided with loophole, the loophole of this light-guiding pillar forms the first light out part, the column structure of this light-guiding pillar forms the second light out part, described light source assembly comprises the first LED light source and the second LED light source, this first LED light source and the second LED light source are respectively to should the first light out part and the second light out part arrange, this first light out part is for the light that makes this first LED light source and the send top-emission towards this bulb housing, this second light out part for the light that makes this second LED light source and send towards the sidewall of this bulb housing and bottom emission.
2. adjustable LED illuminating device according to claim 1, it is characterized in that: the top of this light-guiding pillar bends to the direction, axis away from this light-guiding pillar this second light out part extended to form, this second light out part comprises reflective surface and exiting surface, this reflective surface is arranged on the top of this exiting surface, the light that this reflective surface sends for reflecting this second LED light source towards this exiting surface.
3. adjustable LED illuminating device according to claim 2, is characterized in that: this exiting surface is the globoidal structure protruded out bottom this bulb housing, and this exiting surface is used for the bottom refracted ray towards this bulb housing.
4. adjustable LED illuminating device according to claim 3, is characterized in that: this reflective surface is be positioned at the globoidal structure directly over this second LED light source.
5. adjustable LED illuminating device according to claim 1, is characterized in that: the bottom surface of this light-guiding pillar is loop configuration, and this second LED light source is the LED light source of many annular array, and the bottom surface of this light-guiding pillar protrudes out towards this second LED light source and is provided with protuberance.
6. adjustable LED illuminating device according to claim 1, is characterized in that: this first light out part comprises convex lens, and these convex lens to be arranged in this loophole and to be positioned at the top of this first LED light source.
7. adjustable LED illuminating device according to claim 6, is characterized in that: the bottom of these convex lens is provided with groove, and this groove is arranged towards this LED light source.
8. adjustable LED illuminating device according to claim 1, is characterized in that: this bulb housing is made up of light transmissive material, and this bulb housing was hemisphere bubble shell structure.
9. adjustable LED illuminating device according to claim 1, is characterized in that: also comprise driver, and this driver exports control signal respectively to this first LED light source and this second LED light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180636.3A CN104848058A (en) | 2015-04-16 | 2015-04-16 | Adjustable LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180636.3A CN104848058A (en) | 2015-04-16 | 2015-04-16 | Adjustable LED lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104848058A true CN104848058A (en) | 2015-08-19 |
Family
ID=53847910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510180636.3A Pending CN104848058A (en) | 2015-04-16 | 2015-04-16 | Adjustable LED lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104848058A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106354138A (en) * | 2016-10-14 | 2017-01-25 | 深圳市优必选科技有限公司 | Touch sensing module and robot |
| EP3726128A1 (en) * | 2019-04-18 | 2020-10-21 | Nichia Corporation | Light-emitting device, lighting device, and optical member |
| JP2023014164A (en) * | 2018-12-20 | 2023-01-26 | 日亜化学工業株式会社 | Light-emitting device and light-emitting circuit |
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| CN103925496A (en) * | 2014-04-21 | 2014-07-16 | 立达信绿色照明股份有限公司 | Reflection lens type led lamp |
| CN104033845A (en) * | 2014-06-18 | 2014-09-10 | 立达信绿色照明股份有限公司 | Light guide column and lamp |
| CN204062850U (en) * | 2014-07-01 | 2014-12-31 | 四川新力光源股份有限公司 | A kind of LED lens of extensive angle and there is the LED lamp of these lens |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354138A (en) * | 2016-10-14 | 2017-01-25 | 深圳市优必选科技有限公司 | Touch sensing module and robot |
| JP2023014164A (en) * | 2018-12-20 | 2023-01-26 | 日亜化学工業株式会社 | Light-emitting device and light-emitting circuit |
| JP7339581B2 (en) | 2018-12-20 | 2023-09-06 | 日亜化学工業株式会社 | Light-emitting device and light-emitting circuit |
| EP3726128A1 (en) * | 2019-04-18 | 2020-10-21 | Nichia Corporation | Light-emitting device, lighting device, and optical member |
| CN111828923A (en) * | 2019-04-18 | 2020-10-27 | 日亚化学工业株式会社 | Light-emitting device, lighting device, and optical component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170119 Address after: Xingtai Industrial Park Economic Development Zone, Changtai County, Fujian city of Zhangzhou province 363999 Applicant after: ZHANGZHOU LIDAXIN PHOTOELECTRON TECHNOLOGY CO., LTD. Address before: 363999 Xingda Road, Fujian city of Zhangzhou province Changtai Xingtai County Development Zone Applicant before: Leedarson Green Lighting Co., Ltd. |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |