CN108361603A - A kind of optically focused searchlight and its means of illumination - Google Patents
A kind of optically focused searchlight and its means of illumination Download PDFInfo
- Publication number
- CN108361603A CN108361603A CN201810451142.8A CN201810451142A CN108361603A CN 108361603 A CN108361603 A CN 108361603A CN 201810451142 A CN201810451142 A CN 201810451142A CN 108361603 A CN108361603 A CN 108361603A
- Authority
- CN
- China
- Prior art keywords
- light
- optically focused
- fixed frame
- fresnel lenses
- reflector
- 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
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000004033 diameter control Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 241001465382 Physalis alkekengi Species 0.000 abstract description 5
- 239000011324 bead Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/003—Searchlights, i.e. outdoor lighting device producing powerful beam of parallel rays, e.g. for military or attraction purposes
-
- 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
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
-
- 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]
Abstract
The invention discloses a kind of optically focused searchlight and its means of illumination, are related to lighting technical field, and optically focused searchlight includes reflector, fixed frame, Fresnel Lenses and light source.Light source includes the substrate and light-emitting surface being welded as a whole, and substrate is fixed in reflector and is located remotely from one end of light-emitting window.Fixed frame is round platform frame, and one end of fixed frame is located at the outside of substrate and is fixedly connected with reflector, and the other end of fixed frame is welded with retainer plate and extends to light-emitting window direction.Fresnel Lenses is in retainer plate, and the lens surface that Fresnel Lenses is located at fixed frame side is smooth surface, and the lens surface imprinting that Fresnel Lenses is located at light-emitting window side has multiple concentric grooves.The light efficiency utilization rate that the present invention can solve existing spotlight is relatively low, the problem of can not accomplishing high-power low-angle optically focused, can realize the long-range spotlightings of the LED of super high power, greatly improve light efficiency utilization rate, simplify lamps and lanterns volume and structure, increases the flexibility of products application.
Description
Technical field
The present invention relates to lighting technical fields, and in particular to a kind of optically focused searchlight and its means of illumination.
Background technology
The light source of existing LED spotlights mostly uses greatly low power LED lamp bead and arranges in array, and each lamp bead includes 1
A micro objective, light efficiency utilization rate is relatively low, can not accomplish high-power low-angle optically focused.If it is intended to larger distance obtain compared with
Big illumination is it is necessary to being continuously increased the quantity of LED lamp bead and lens so that the volume continuous enlargement of lamps and lanterns, but the increasing of volume
The big installation and application for limiting lamps and lanterns.Therefore, design one kind can realize high-power low-angle on the basis of existing volume
The lamp of optically focused is necessary.
The present invention is by using three high-power fluorescence ceramics LED light source, reflector, Fresnel Lenses key elements, both
Can be achieved super high power the long-range spotlightings of LED, not only greatly improve light efficiency utilization rate, but can significantly simplify lamps and lanterns volume and
Structure increases the flexibility of products application.
Invention content
The purpose of the present invention is to provide a kind of optically focused searchlight and its means of illumination, to solve the light of existing spotlight
It is relatively low to imitate utilization rate, the problem of can not accomplishing high-power low-angle optically focused.
To achieve the above object, the technical scheme is that providing a kind of optically focused searchlight, the optically focused searchlight packet
Reflector, fixed frame, Fresnel Lenses and light source are included, the light source includes the substrate and light-emitting surface being welded as a whole, the base
Plate is fixed in reflector and is located remotely from one end of light-emitting window, and the fixed frame is round platform frame, and one end of fixed frame is located at
The outside of substrate is simultaneously fixedly connected with reflector, and the other end of fixed frame is welded with retainer plate and extends to light-emitting window direction, institute
Fresnel Lenses is stated in retainer plate, the lens surface that Fresnel Lenses is located at fixed frame side is smooth surface, Fresnel
The lens surface imprinting that lens are located at light-emitting window side has multiple concentric grooves.
The light source is COB ceramics LED light sources as a preferred technical solution,.
The reflector is the internal cover body with reflective surface curved surface as a preferred technical solution,.
The diameter control of the light-emitting surface is within the scope of 20mm~50mm as a preferred technical solution,.
The light emitting angle of the light source is 140 ° as a preferred technical solution,.
The maximum light-emitting angle of the light-emitting window of the optically focused searchlight is less than 10 ° as a preferred technical solution,.
It is convex to be divided into several zigzags by the multiple concentric grooves for the surface of Fresnel Lenses as a preferred technical solution,
Rib, each zigzag fin form an independent convex lens.
Be provided with printed wiring board in the substrate as a preferred technical solution, it is printed circuit board surface sticked have it is more
A LED chip, the light-emitting surface cover multiple LED chips.
A kind of means of illumination of optically focused searchlight is provided, the means of illumination includes：The light part that light source is sent out passes through
Reflector reflects to form reflected light, and another part direct projection to Fresnel Lenses forms direct light, and reflected light is through the anti-of reflector
It penetrates to form total reflection light and half reflection light, reflection of the total reflection light through reflector is sent out from light-emitting window, half reflection light and direct light
Directional light is modified to by Fresnel Lenses to send out to light-emitting window, to make the maximum light-emitting angle of optically focused searchlight be less than 10 °.
The invention has the advantages that：
(1) present invention uses the fluorescence ceramics LED light source of COB packaging technologies, only 1 circular luminous source；
(2) present invention can both realize that the Power coverage of 150W~1000W, initial luminous flux were realized using a light source
15000~100000 lumens；
(3) present invention can realize the long-range spotlightings of the LED of super high power, greatly improve light efficiency utilization rate；
(4) present invention can significantly simplify lamps and lanterns volume and structure, increase the flexibility of products application.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of optically focused searchlight provided by the invention.
Fig. 2 is a kind of right view of optically focused searchlight provided by the invention.
Fig. 3 is a kind of illumination path schematic diagram of optically focused searchlight provided by the invention.
Fig. 4 is a kind of light source of optically focused searchlight provided by the invention and fixed frame position relationship schematic diagram.
In figure：Reflector 1, Fresnel Lenses 2, light-emitting surface 3, substrate 4, fixed frame 5, light-emitting window 6.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
With reference to figure 1, the present embodiment provides a kind of optically focused searchlights, including：Reflector 1, fixed frame 5,2 and of Fresnel Lenses
Light source, the light source include the substrate 4 being welded as a whole and light-emitting surface 3, and the substrate 4 is fixed in reflector 1 and positioned at remote
One end of optical port 6 is separated out, the fixed frame 5 is round platform frame, and with reference to figure 4, one end of fixed frame 5 is located at the outside of substrate 4 simultaneously
It is fixedly connected with reflector 1, the other end of fixed frame 5 is welded with retainer plate and extends to 6 direction of light-emitting window, and the Fresnel is saturating
Mirror 2 is in retainer plate, and the lens surface that Fresnel Lenses 2 is located at fixed frame side is smooth surface, and Fresnel Lenses 2 is located at
The lens surface imprinting of 6 side of light-emitting window has multiple concentric grooves.
The light source of the present embodiment is COB ceramics LED light sources, including substrate 4 and light-emitting surface 3, and track is provided in substrate
Road plate, it is printed circuit board surface sticked to have multiple LED chips, the electrical connection lead suture side of multiple LED chips and substrate 4
Method is realized, is used in combination resin to cover to ensure that connection reliability, light-emitting surface 3 are the mirror metal with high reflecting rate, light-emitting surface covers
Multiple LED chips are covered, the light that LED chip is sent out reaches the effect of non-overlapping shadow and high light-emitting rate by the high-efficiency accumulation of light-emitting surface
Fruit.
Further, for the diameter control of light-emitting surface 3 within the scope of 20mm~50mm, the light emitting angle of light source is 140 °, is gathered
The maximum light-emitting angle of the light-emitting window 6 of light searchlight is less than 10 °, and the power of 150W~1000W can have both been realized using a light source
Covering, initial luminous flux realize 15000~100000 lumens, realize the long-range spotlightings of the LED of super high power.
With reference to Fig. 1 and 2, the light-emitting surface of Fresnel Lenses 2 is carved with multiple concentric grooves, in terms of section, Fresnel Lenses 2
Surface be made of a series of sawtooth pattern grooves, central part is ellipse camber line, angle between each groove part and adjacent grooves
Degree is different, but all concentrates light at one, forms gonglion, that is, the focus of lens, and multiple concentric grooves are by Fresnel
The surface of lens is divided into several zigzag fins, and each zigzag fin forms an independent convex lens, light is adjusted to
Directional light or optically focused.
With reference to figure 3, a kind of means of illumination of optically focused searchlight provided in this embodiment includes：The light part that light source is sent out
By the reflected light that reflects to form of reflector 1, another part direct projection to Fresnel Lenses 2 forms direct light, and reflected light is through reflective
Cover 1 reflects to form total reflection light and half reflection light, and reflection of the total reflection light through reflector 1 is sent out from light-emitting window 6, half reflection light
Directional light is modified to by Fresnel Lenses 2 with direct light to send out to light-emitting window 6, by the combination of reflected light and direct light to
The maximum light-emitting angle of optically focused searchlight is set to be less than 10 °.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (9)
1. a kind of optically focused searchlight, which is characterized in that the optically focused searchlight includes reflector (1), fixed frame (5), Fresnel
Lens (2) and light source, the light source include the substrate (4) being welded as a whole and light-emitting surface (3), and the substrate (4) is fixed on instead
Light shield (1) is interior and is located remotely from one end of light-emitting window (6), and the fixed frame (5) is round platform frame, one end position of fixed frame (5)
It is fixedly connected in the outside of substrate (4) and with reflector (1), the other end of fixed frame (5) is welded with retainer plate and to light-emitting window
(6) direction extends, and for the Fresnel Lenses (2) in retainer plate, Fresnel Lenses (2) is located at the eyeglass table of fixed frame side
Face is smooth surface, and the lens surface imprinting that Fresnel Lenses (2) is located at light-emitting window (6) side has multiple concentric grooves.
2. a kind of optically focused searchlight as described in claim 1, which is characterized in that the light source is COB ceramics LED light sources.
3. a kind of optically focused searchlight as described in claim 1, which is characterized in that the reflector (1) is internal with reflective
The cover body of face curved surface.
4. a kind of optically focused searchlight as described in claim 1, which is characterized in that the diameter control of the light-emitting surface (3) exists
Within the scope of 20mm~50mm.
5. a kind of optically focused searchlight as described in claim 1, which is characterized in that the light emitting angle of the light source is 140 °.
6. a kind of optically focused searchlight as described in claim 1, which is characterized in that the light-emitting window (6) of the optically focused searchlight
Maximum light-emitting angle is less than 10 °.
7. a kind of optically focused searchlight as described in claim 1, which is characterized in that the multiple concentric grooves are by Fresnel Lenses
(2) surface is divided into several zigzag fins, and each zigzag fin forms an independent convex lens.
8. a kind of optically focused searchlight as described in claim 1, which is characterized in that it is provided with printed wiring board in the substrate,
It is printed circuit board surface sticked to there are multiple LED chips, the light-emitting surface (3) to cover multiple LED chips.
9. a kind of means of illumination of optically focused searchlight as described in claim 1-8 is any, which is characterized in that the means of illumination
Including：The light part that light source is sent out passes through the reflected light that reflects to form of reflector (1), another part direct projection to Fresnel Lenses
(2) direct light is formed, reflected light reflects to form total reflection light and half reflection light through reflector (1), and total reflection light is through reflector
(1) reflection is sent out from light-emitting window (6), and half reflection light and direct light are modified to directional light to light extraction by Fresnel Lenses (2)
Mouth (6) is sent out, to make the maximum light-emitting angle of optically focused searchlight be less than 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810451142.8A CN108361603A (en) | 2018-05-11 | 2018-05-11 | A kind of optically focused searchlight and its means of illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810451142.8A CN108361603A (en) | 2018-05-11 | 2018-05-11 | A kind of optically focused searchlight and its means of illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108361603A true CN108361603A (en) | 2018-08-03 |
Family
ID=63011795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810451142.8A Pending CN108361603A (en) | 2018-05-11 | 2018-05-11 | A kind of optically focused searchlight and its means of illumination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361603A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061942A (en) * | 2018-08-15 | 2018-12-21 | 深圳市华星光电技术有限公司 | Side entrance back module and display device |
| CN114894811A (en) * | 2022-07-12 | 2022-08-12 | 武汉鹏恒包装印务有限公司 | Packing carton illumination detection device |
| US11774063B2 (en) | 2019-10-28 | 2023-10-03 | Signify Holding B.V. | Color mixing with total internal reflector and center reflector |
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| CN102230592A (en) * | 2011-07-22 | 2011-11-02 | 浙江晶日照明科技有限公司 | Reflector lamp assembly with Fresnel lens |
| CN102818161A (en) * | 2012-09-04 | 2012-12-12 | 上海九高节能技术有限公司 | LED (Light-Emitting Diode) lamp |
| CN203202741U (en) * | 2013-04-19 | 2013-09-18 | 无锡实益达电子有限公司 | Narrow light beam LED illumination optical system |
| CN103900026A (en) * | 2014-04-21 | 2014-07-02 | 江南大学 | COB type LED light gathering TIR lens system and designing method |
| CN105570833A (en) * | 2014-10-16 | 2016-05-11 | 佛山市南海圣丽照明有限公司 | Fresnel lens |
| JP2018045847A (en) * | 2016-09-13 | 2018-03-22 | 株式会社オプラックス設計事務所 | Spotlight using led |
-
2018
- 2018-05-11 CN CN201810451142.8A patent/CN108361603A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230592A (en) * | 2011-07-22 | 2011-11-02 | 浙江晶日照明科技有限公司 | Reflector lamp assembly with Fresnel lens |
| CN102818161A (en) * | 2012-09-04 | 2012-12-12 | 上海九高节能技术有限公司 | LED (Light-Emitting Diode) lamp |
| CN203202741U (en) * | 2013-04-19 | 2013-09-18 | 无锡实益达电子有限公司 | Narrow light beam LED illumination optical system |
| CN103900026A (en) * | 2014-04-21 | 2014-07-02 | 江南大学 | COB type LED light gathering TIR lens system and designing method |
| CN105570833A (en) * | 2014-10-16 | 2016-05-11 | 佛山市南海圣丽照明有限公司 | Fresnel lens |
| JP2018045847A (en) * | 2016-09-13 | 2018-03-22 | 株式会社オプラックス設計事務所 | Spotlight using led |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061942A (en) * | 2018-08-15 | 2018-12-21 | 深圳市华星光电技术有限公司 | Side entrance back module and display device |
| CN109061942B (en) * | 2018-08-15 | 2021-03-23 | Tcl华星光电技术有限公司 | Side-in backlight module and display device |
| US11774063B2 (en) | 2019-10-28 | 2023-10-03 | Signify Holding B.V. | Color mixing with total internal reflector and center reflector |
| CN114894811A (en) * | 2022-07-12 | 2022-08-12 | 武汉鹏恒包装印务有限公司 | Packing carton illumination detection device |
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