CN110360512A - A kind of efficient variable beam angle irradiation unit - Google Patents
A kind of efficient variable beam angle irradiation unit Download PDFInfo
- Publication number
- CN110360512A CN110360512A CN201910687776.8A CN201910687776A CN110360512A CN 110360512 A CN110360512 A CN 110360512A CN 201910687776 A CN201910687776 A CN 201910687776A CN 110360512 A CN110360512 A CN 110360512A
- Authority
- CN
- China
- Prior art keywords
- lens
- reflector
- light source
- irradiation unit
- light
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
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- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
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- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses a kind of efficient variable beam angle irradiation units, including reflector, lens and light source, the inner surface of the reflector is curved-surface structure, the light source is set to the bottom of a cup of reflector, the size of the lens is less than the size of reflector rim of a cup, and the lens are arranged between light source and reflector rim of a cup.The present invention by using curved-surface structure the reflector with light-focusing function, the lens and light source being equipped with inside reflector, make irradiation unit of the invention other than it can obtain device by changing the distance between light source and lens and export wide-angle light beam and low-angle light beam and be continuously adjusted, when light source is in the focal point of reflector and lens, output collimated light beam can also be achieved.Irradiation unit of the invention have it is high-efficient, low energy consumption, beam angle variation range is wide, thus realize telecurie irradiation and short distance large area irradiation two-fold advantage.
Description
Technical field
The present invention relates to a kind of irradiation unit, in particular to a kind of irradiation unit at variable beam angle belongs to lamp technology
Field.
Background technique
Outer have been obtained is widely applied LED lamp indoors, and the main member of LED lamp is the light source of shell, LED
And lamp holder, the raising with market to LED lamp demand, and in order to adapt to the use of varying environment, LED typically now
Lamps and lanterns all have dust-proof, waterproof, the functions such as anti-corrosion, but the light on some occasions such as stage, stage is needed with time-varying
Change, to adapt to different occasions, the overwhelming majority is that this change is completed by the combination of several LED lamps in the prior art
Change.Even if design be this variation to be realized by a kind of LED lamp, but there are still low efficiency, energy consumption are high, beam angle becomes
Change range limitation, not remote enough the problem of irradiation distance.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of efficient variable beam angle irradiation unit.
The present invention adopts the following technical scheme:
A kind of efficient variable beam angle irradiation unit, including reflector, lens and light source, the inner surface of the reflector be
Curved-surface structure, the light source are set to the bottom of a cup of reflector, and the size of the lens is less than the size of reflector rim of a cup, and described
The position of lens is adjustable between light source and reflector rim of a cup.
Further, obtaining the continuous of device output beam state by changing the distance between light source and lens can
It adjusts, the beam state includes wide-angle light beam, low-angle light beam and collimated light beam.
Further, the light source is LED lamp bead, and LED lamp bead is in the focal point of reflector always.
Further, the lens are Fresnel Lenses or other general lens.
Further, the curved-surface structure in the reflector is to throw globoidal structure.
Further, the bottom of the reflector is equipped with lens displacement and adjusts device.
Further, lens displacement adjustment device be can between reflector rim of a cup and LED free extension it is saturating
Mirror support, the lens are set to the end of lens carrier.
The invention has the following beneficial effects:
The present invention is equipped with saturating inside reflector by using the reflector with light-focusing function of curved-surface structure
Mirror and light source keep irradiation unit of the invention big in addition to that can obtain device output by changing the distance between light source and lens
Angle light beam and low-angle light beam are continuously adjustable outer, and when light source is in the focal point of reflector and lens, it is flat to can also be achieved output
Row light beam.Irradiation unit of the invention have it is high-efficient, low energy consumption, beam angle variation range is wide, the remote advantage of irradiation distance.
Detailed description of the invention
Fig. 1 is efficiently variable beam angle irradiation unit structural schematic diagram of the invention;
Fig. 2 is one of lens light efficiency figure (lens are equal with the focal length of lens at a distance from light source);
Fig. 3 is two (focal lengths that lens are slightly less than lens at a distance from light source) of lens light efficiency figure;
Fig. 4 is three (focal lengths that lens are less than lens at a distance from light source) of lens light efficiency figure;
Fig. 5 is one of reflector light efficiency figure (focal point of the light source in reflector and lens);
Fig. 6 is two (at focal points of the light source in reflector and the focal length less than lens) of reflector light efficiency figure;
Fig. 7 be reflector light efficiency figure three (light source reflector focal point and be significantly smaller than lens focal length at, it is big absolutely
Part luminous energy is projected by lens and obtains largest beam angle);
The matrix structure figure that Fig. 8 is made of irradiation unit of the invention.
In figure: 1, light bulb;2, reflector;3, lens;4, LED lamp bead;5, lens displacement adjusts device.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Efficient variable beam angle irradiation unit of the invention is reflective as shown in Figure 1, include reflector 2, lens 3 and light source
The inner surface of cup 2 is curved-surface structure, and light source is set to the bottom of a cup of reflector 2, and the size of lens 3 is less than the ruler of 2 rim of a cup of reflector
It is very little, and the position of lens 3 is adjustable between 2 rim of a cup of light source and reflector.
The present invention is equipped with saturating inside reflector by using the reflector with light-focusing function of curved-surface structure
Mirror and light source keep irradiation unit of the invention big in addition to that can obtain device output by changing the distance between light source and lens
Angle light beam and low-angle light beam are continuously adjustable outer, and when light source is in the focal point of reflector and lens, it is flat to can also be achieved output
Row light beam.Irradiation unit of the invention is using LED light and aids in advanced optics and optical device design, and luminous efficiency is far high
It is high-efficient, low energy consumption in conventional light source searchlight;Beam angle variation range is wide;The present invention is big with the transmitting of lesser light-emitting area
Luminous flux, irradiation distance is remote.
In the present embodiment, the continuous of device output beam state is obtained by changing the distance between light source and lens 3
Adjustable, the beam state includes wide-angle light beam, low-angle light beam and collimated light beam.
In the present embodiment, the light source is LED lamp bead 4, and LED lamp bead is in the focal point of reflector always.
In the present embodiment, the lens are Fresnel Lenses or other general lens.
In the present embodiment, the curved-surface structure in the reflector is to throw globoidal structure.
In the present embodiment, the bottom of the reflector is equipped with lens displacement and adjusts device 5.
In the present embodiment, lens displacement adjustment device be can between reflector rim of a cup and LED free extension it is saturating
Mirror support, the lens are set to the end of lens carrier.
In the present embodiment, reflector 2 and lens 3 are installed in light bulb 1 along central axis, and LED light 4 is mounted on central axes
The focal point of reflector;The light being emitted on reflector 2 is reflected out the light beam (such as Fig. 5) at intimate 0 ° of angle;
Lens 3 are connected with adjustment of displacement control device 5, can move along central axis by adjusting device, with change and LED light
4 relative distance (such as Fig. 1), and then change the beam angle (such as Fig. 2-4) of output light;The irradiation unit output beam is by reflective
The light beam that cup and lens export respectively closes Shu Ercheng, and change of the change of beam angle by lens with respect to LED light position changes
(such as Fig. 5-7).Irradiation unit of the present invention is a kind of efficient luminescence unit of independence, can integrate square with multiple units
Battle array realizes the output of high light flux with small cross sections product, achievees the purpose that overlength distance irradiates (such as Fig. 8).
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of efficient variable beam angle irradiation unit, including reflector, lens and light source, it is characterised in that: the reflector
Inner surface be curved-surface structure, the light source is set to the bottom of a cup of reflector, and the size of the lens is less than reflector rim of a cup
Size, and the position of the lens is adjustable between light source and reflector rim of a cup.
2. a kind of efficient variable beam angle irradiation unit according to claim 1, it is characterised in that: by change light source with
The distance between lens obtain the continuously adjustable of device output beam state, and the beam state includes wide-angle light beam, small
Angle light beam and parallel light beam.
3. a kind of efficient variable beam angle irradiation unit according to claim 1, it is characterised in that: the light source is LED
Lamp bead, LED lamp bead are in the focal point of reflector always.
4. a kind of efficient variable beam angle irradiation unit according to claim 1, it is characterised in that: the lens are luxuriant and rich with fragrance alunite
That lens or other general lens.
5. a kind of efficient variable beam angle irradiation unit according to claim 1, it is characterised in that: in the reflector
Curved-surface structure is to throw globoidal structure.
6. a kind of efficient variable beam angle irradiation unit according to claim 1, it is characterised in that: the bottom of the reflector
Portion is equipped with lens displacement and adjusts device.
7. a kind of efficient variable beam angle irradiation unit according to claim 6, it is characterised in that: the lens displacement tune
It is self-contained be set to can between reflector rim of a cup and LED free extension lens carrier, the lens are set to the end of lens carrier
Portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910687776.8A CN110360512A (en) | 2019-07-29 | 2019-07-29 | A kind of efficient variable beam angle irradiation unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910687776.8A CN110360512A (en) | 2019-07-29 | 2019-07-29 | A kind of efficient variable beam angle irradiation unit |
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CN110360512A true CN110360512A (en) | 2019-10-22 |
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CN201910687776.8A Pending CN110360512A (en) | 2019-07-29 | 2019-07-29 | A kind of efficient variable beam angle irradiation unit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114484335A (en) * | 2022-02-10 | 2022-05-13 | 厦门东昂科技股份有限公司 | Angle-adjustable lamp |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203533360U (en) * | 2013-10-12 | 2014-04-09 | 无锡三菱日机科技有限公司 | Tube lamp structure with adjustable beam angle |
CN104791633A (en) * | 2015-04-28 | 2015-07-22 | 深圳市振红旗科技有限公司 | Mechanical LED module with adjustable beam angle |
CN205480501U (en) * | 2016-01-29 | 2016-08-17 | 佛山市顺德区兰晶照明电器有限公司 | LED lamp that laser angle is adjustable |
CN207599500U (en) * | 2017-10-30 | 2018-07-10 | 东莞市古德照明有限公司 | A kind of embedded-type LED lamp of tunable optical beam angle |
-
2019
- 2019-07-29 CN CN201910687776.8A patent/CN110360512A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203533360U (en) * | 2013-10-12 | 2014-04-09 | 无锡三菱日机科技有限公司 | Tube lamp structure with adjustable beam angle |
CN104791633A (en) * | 2015-04-28 | 2015-07-22 | 深圳市振红旗科技有限公司 | Mechanical LED module with adjustable beam angle |
CN205480501U (en) * | 2016-01-29 | 2016-08-17 | 佛山市顺德区兰晶照明电器有限公司 | LED lamp that laser angle is adjustable |
CN207599500U (en) * | 2017-10-30 | 2018-07-10 | 东莞市古德照明有限公司 | A kind of embedded-type LED lamp of tunable optical beam angle |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114484335A (en) * | 2022-02-10 | 2022-05-13 | 厦门东昂科技股份有限公司 | Angle-adjustable lamp |
CN114484335B (en) * | 2022-02-10 | 2024-03-15 | 厦门东昂科技股份有限公司 | Angle-adjustable lamp |
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Application publication date: 20191022 |
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RJ01 | Rejection of invention patent application after publication |