CN113237007A - Illumination module and illumination lamp - Google Patents
Illumination module and illumination lamp Download PDFInfo
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- CN113237007A CN113237007A CN202110579784.8A CN202110579784A CN113237007A CN 113237007 A CN113237007 A CN 113237007A CN 202110579784 A CN202110579784 A CN 202110579784A CN 113237007 A CN113237007 A CN 113237007A
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- light
- light source
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- lens group
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- 238000005286 illumination Methods 0.000 title claims abstract description 50
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 235000017060 Arachis glabrata Nutrition 0.000 description 3
- 241001553178 Arachis glabrata Species 0.000 description 3
- 235000010777 Arachis hypogaea Nutrition 0.000 description 3
- 235000018262 Arachis monticola Nutrition 0.000 description 3
- 235000020232 peanut Nutrition 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 241000227425 Pieris rapae crucivora Species 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/046—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures having multiple lighting devices, e.g. connected to a common ceiling base
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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
- 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
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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
- 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
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lighting module, comprising: a first LED light source; the lens module comprises a dodging lens group for diffusing the light emitted by the first LED light source and a Fresnel lens group for converging the light distributed by the dodging lens group at a certain angle, and the dodging lens group and the Fresnel lens group are both arranged on a light path channel of the light emitted by the first LED light source; a second LED light source; the light guide plate is configured on a light path channel through which light rays emitted by the first LED light source are emitted from the light emitting surface of the Fresnel lens group, and the second LED light sources are configured at two ends of the light guide plate; wherein a ratio of power of the first LED light source to the second LED light source is greater than 4: 1. the invention solves the problem of long illumination distance and the problem of illumination brightness, and meets the requirements of people on two illumination functions.
Description
Technical Field
The invention belongs to the technical field of lighting equipment, and particularly relates to a lighting module and a lighting lamp integrating directional lighting and general lighting.
Background
Among the existing lighting lamps, the ceiling lamp belongs to a general lighting lamp, and the spot lamp belongs to a directional lighting lamp. The general lighting lamp is far in illumination, but if the power is too high, glare generated by light with large angle can cause discomfort to human eyes; the directional lighting lamp illuminates bright, but the illumination area range is small, and the light emitting surface is small.
Therefore, in order to solve the above technical problems, it is necessary to provide a lighting module and a lighting fixture that integrate directional lighting and general lighting.
Disclosure of Invention
The invention aims to provide an illumination module and an illumination lamp integrating directional illumination and general illumination, and aims to solve the problems in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
in one embodiment, there is provided a lighting module, including:
a first LED light source;
the lens module comprises a dodging lens group for diffusing the light emitted by the first LED light source and a Fresnel lens group for converging the light distributed by the dodging lens group at a certain angle, and the dodging lens group and the Fresnel lens group are both arranged on a light path channel of the light emitted by the first LED light source;
a second LED light source;
the light guide plate is configured on a light path channel through which light rays emitted by the first LED light source are emitted from the light emitting surface of the Fresnel lens group, and the second LED light sources are configured at two ends of the light guide plate;
wherein a ratio of power of the first LED light source to the second LED light source is greater than 4: 1.
in the technical scheme, the first LED light source is common white light, is used for directional illumination and is used for main illumination; the second LED light source is white light or other monochromatic light such as blue light, and is used for flood lighting and is used for providing background light or atmosphere light. When the power ratio is more than 4, on the premise of satisfying the functional lighting, the floodlighting power is not too high, and discomfort can not be caused to human eyes.
As a further improvement of the present invention, the light emitted from the second LED light source is coupled to the light guide plate, and after being scattered by the light guide plate, diffused light is emitted from the light emitting surface of the light guide plate in all directions.
As a further improvement of the present invention, light emitted from the first LED light source is emitted from the light emitting surface of the fresnel lens group after being distributed by the lens module, so as to form a light spot with uniform illumination on the illuminated surface.
As a further improvement of the invention, after the light distributed by the dodging lens group is condensed by the Fresnel lens group, a plurality of parallel light rays are emitted from the light emitting surface of the Fresnel lens group.
As a further improvement of the present invention, the dodging lens group includes a plurality of dodging lenses, the number of the dodging lenses corresponds to the number of the first LED light sources, and each dodging lens corresponds to one first LED light source.
As a further improvement of the present invention, the fresnel lens group includes a plurality of fresnel lens units, and each fresnel lens unit corresponds to one of the dodging lenses.
As a further improvement of the invention, the shape of the Fresnel lens unit is matched with the shape of a light spot formed on an illuminated surface of the light distributed by the dodging lens.
As a further improvement of the present invention, the first LED light source and the lens module are disposed right above the light incident surface of the light guide plate, and the light emitted from the first LED light source is incident perpendicularly to the light incident surface of the light guide plate.
As a further improvement of the present invention, the first LED light source and the lens module are disposed above the light incident surface side of the light guide plate, a polarizer is further disposed between the lens module and the light guide plate, and the light emitted from the first LED light source is incident on the light incident surface of the light guide plate after being tilted backward by the adjustment direction of the polarizer.
An embodiment of the present invention further provides a lighting fixture, including:
a base having an accommodating space with one side opened;
the lighting module is configured in the accommodating space and comprises a first LED light source, a lens module, a second LED light source and a light guide plate; wherein,
the first LED light source is arranged on the base, the lens module is arranged on a light path channel of light emitted by the first LED light source, and comprises a dodging lens group for diffusing the light emitted by the first LED light source and a Fresnel lens group for converging the light distributed by the dodging lens group at a certain angle;
the light guide plate is arranged on a light path channel through which light rays emitted by the first LED light source are emitted from the light emitting surface of the Fresnel lens group, and the second LED light sources are arranged at two ends of the light guide plate;
after the light emitted by the first LED light source is distributed by the lens module, the light and the light of the second LED light source are emitted through the light emitting surface of the light guide plate together, and the power ratio of the first LED light source to the second LED light source is more than 4: 1.
as a further improvement of the present invention, the first LED light source may be a white LED light source, the second LED light source may be a blue LED light source, and the second LED light source is matched with the first LED light source to simulate a blue sky effect.
As a further improvement of the present invention, the first LED light source may be a white LED light source, the second LED light source may be an rgbd LED light source, and the second LED light source is matched with the first LED light source to simulate the formation of a color atmosphere lighting effect.
Compared with the prior art, the invention has the advantages that:
the invention provides an illumination module and an illumination lamp integrating a universal illumination module and a directional illumination module, which not only solve the problem of far illumination, but also solve the problem of bright illumination, and meet the requirements of people on two illumination functions; the light guide plate is used as a general illumination module, the lens module consisting of the dodging lens and the Fresnel lens is used as a directional illumination module, the dodging lens collects light emitted by the first LED light source in a certain angle range, and uniformly distributes light energy in the light cone angle to generate a clear cut-off line, and the Fresnel lens changes the light emitted from the dodging lens into small-angle light to be emitted so as to provide directional and stable uniform illumination.
In the general lighting module, the second LED light source can use an RGBLED light source to provide color atmosphere lighting; in the directional lighting module, a first LED light source uses a white light source to provide main lighting; when the atmosphere light simulates the color of a blue sky, the lamp can be used as a blue sky lamp, namely a blue-bottom white-light illuminating lamp.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an illumination schematic diagram of an illumination module in embodiment 1 of the present application;
fig. 2 is a light ray diagram of a general lighting module of a lighting module in embodiment 1 of the present application;
fig. 3 is a light ray diagram of a directional lighting module of a lighting module in embodiment 1 of the present application;
fig. 4 is a light ray perspective view of an illumination module in embodiment 1 of the present application;
FIG. 5 is a schematic structural view of a dodging lens in embodiment 1 of the present application;
FIG. 6 is a schematic structural diagram of a Fresnel lens group in example 1 of the present application;
fig. 7 is an illumination schematic diagram of a lighting module in embodiment 2 of the present application;
fig. 8 is an illumination perspective view of an illumination module in embodiment 2 of the present application.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
Example 1:
referring to fig. 1 to 6, in embodiment 1 of the present application, an illumination module is disclosed, which includes a first LED light source 1, a lens module 2, a second LED light source 3 and a light guide plate 4, light generated by the first LED light source 1 is distributed by the lens module 2 to generate small-angle light to be emitted to an incident surface of the light guide plate 4, the second LED light source 3 is disposed at two sides of the light guide plate 4, and the emitted light is matched with the first LED light source 1 to be emitted from an emergent surface of the light guide plate 4 to form directional and stable uniform illumination, wherein a ratio of power of the first LED light source 1 to power of the second LED light source 3 is greater than 4: 1.
the first LED light source 1 is a white light source, which may be a prior art white LED chip.
The lens module 2 includes a dodging lens group 21 for diffusing the light emitted by the first LED light source 1, and a fresnel lens group 22 for converging the light distributed by the dodging lens group 21 at a certain angle, wherein the dodging lens group 21 and the fresnel lens group 22 are both disposed on a light path channel of the light emitted by the first LED light source 1. Light emitted by the first LED light source 1 is distributed by the lens module 21 and then emitted from the light emitting surface of the fresnel lens group 22, so as to generate small-angle emergent light with a clear light spot cut-off line, and form a light spot with uniform illumination on the illuminated surface a, wherein the light distributed by the dodging lens group 21 is condensed by the fresnel lens group 22, and then a plurality of parallel light rays are emitted from the light emitting surface of the fresnel lens group 22.
The dodging lens group 21 includes a plurality of dodging lenses 211, the number of the dodging lenses 211 corresponds to the number of the first LED light sources 1, each dodging lens 211 corresponds to one first LED light source 1, the dodging lens 211 may be a square spot dodging lens or a peanut lens, and when the dodging lens is a peanut lens, a rectangular light spot is formed on the illuminated surface a.
The fresnel lens group 22 includes a plurality of fresnel lens units 221, each fresnel lens unit 221 corresponds to one dodging lens 211, and when the dodging lens 211 is a peanut lens, the corresponding fresnel lens unit 221 is also rectangular; that is, the shape of the fresnel lens unit 221 matches the shape of a spot formed on the illuminated surface a by the light distributed by the corresponding dodging lens 211.
The light guide plate 4 is disposed on the optical path of the light emitted from the first LED light source 1 and emitted from the light emitting surface of the fresnel lens group 22, the second LED light sources 3 are disposed at two ends of the light guide plate 4, and the light emitted from the second LED light sources 3 is coupled to the light guide plate 4, scattered by the light guide plate 4, and emitted from the light emitting surface of the light guide plate 4, and the emitted light is diffused light emitted in all directions.
In the present embodiment, the first LED light source 1 and the lens module 2 are disposed right above the light incident surface of the light guide plate 4, and the light emitted from the first LED light source 1 enters perpendicularly to the light incident surface of the light guide plate 4.
Example 2:
the difference from embodiment 1 is that in embodiment 2, the first LED light source 1 and the lens module 2 are disposed above the light incident surface of the light guide plate 4, a polarizer 5 is further disposed between the lens module 2 and the light guide plate 4, and the polarizer 5 is disposed opposite to the light emitting surface of the fresnel lens group 22 in the lens module 2; after light emitted by the first LED light source 1 is distributed by the lens module 2, a light beam parallel to the light incident surface of the light guide plate 4 is emitted, and after the direction of the light beam is adjusted by the polarizing plate 5, the parallel light beam is inclined to the light incident surface of the light guide plate 4.
The polarizer 5 may be a prism plate, which is a stretching structure and functions to deflect the collimated light beam by an angle.
Example 3
The present embodiment provides a lighting fixture, including: the base is provided with an accommodating space with an opening at one side;
the lighting module is arranged in the accommodating space.
The lighting module comprises a first LED light source, a lens module, a second LED light source and a light guide plate; the lens module is configured on a light path channel of light emitted by the first LED light source, and comprises a dodging lens group for diffusing the light emitted by the first LED light source and a Fresnel lens group for converging the light distributed by the dodging lens group at a certain angle.
The light guide plate is arranged on a light path channel of light emitted by the first LED light source and emitted from the light emitting surface of the Fresnel lens group, the second LED light sources are arranged at two ends of the light guide plate, and the light guide plate is directly used as a mask of the lighting lamp and is packaged with the base to seal the accommodating space.
After light emitted by the first LED light source is distributed by the lens module, the light and light of the second LED light source are emitted through the light emitting surface of the light guide plate together, and the power ratio of the first LED light source to the second LED light source is greater than 4: 1.
in this embodiment, the first LED light source may be a white LED light source, the second LED light source may be a blue LED light source, and the second LED light source is matched with the first LED light source to simulate a blue-sky effect.
In other embodiments, the first LED light source may be a white LED light source, and the second LED light source may be an rgb LED light source, and the second LED light source cooperates with the first LED light source to simulate the formation of the color atmosphere lighting effect.
Compared with the prior art, the invention has the advantages that:
the invention provides an illumination module and an illumination lamp integrating a universal illumination module and a directional illumination module, which not only solve the problem of far illumination, but also solve the problem of bright illumination, and meet the requirements of people on two illumination functions; the light guide plate is used as a general illumination module, the lens module consisting of the dodging lens and the Fresnel lens is used as a directional illumination module, the dodging lens collects light emitted by the first LED light source in a certain angle range, and uniformly distributes light energy in the light cone angle to generate a clear cut-off line, and the Fresnel lens changes the light emitted from the dodging lens into small-angle light to be emitted so as to provide directional stable and uniform illumination.
In the general lighting module, the second LED light source can be an RGBLED light source for providing color atmosphere lighting, or white light or blue light or other monochromatic light for floodlighting for providing background light or atmosphere light; in the directional lighting module, a first LED light source uses a white light source to provide main lighting; when the atmosphere light simulates the color of a blue sky, the lamp can be used as a blue sky lamp, namely a blue-bottom white-light illuminating lamp.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A lighting module, comprising:
a first LED light source;
the lens module comprises a dodging lens group for diffusing the light emitted by the first LED light source and a Fresnel lens group for converging the light distributed by the dodging lens group at a certain angle, and the dodging lens group and the Fresnel lens group are both arranged on a light path channel of the light emitted by the first LED light source;
a second LED light source;
the light guide plate is configured on a light path channel through which light rays emitted by the first LED light source are emitted from the light emitting surface of the Fresnel lens group, and the second LED light sources are configured at two ends of the light guide plate;
wherein a ratio of power of the first LED light source to the second LED light source is greater than 4: 1.
2. the lighting module of claim 1, wherein the light emitted from the second LED light source is coupled to the light guide plate, and diffused light is emitted from the light emitting surface of the light guide plate in all directions after being scattered by the light guide plate.
3. The illumination module as recited in claim 1, wherein the light emitted from the first LED light source is distributed by the lens module, and then exits from the light exit surface of the fresnel lens group, so as to form a light spot with uniform illumination on the illuminated surface.
4. The illumination module according to claim 1, wherein the light distributed by the dodging lens group is condensed by the Fresnel lens group, and then a plurality of parallel light rays are emitted from the light emitting surface of the Fresnel lens group.
5. The lighting module according to claim 1, wherein the dodging lens group comprises a plurality of dodging lenses, the number of dodging lenses corresponds to the number of the first LED light sources, and each dodging lens corresponds to one first LED light source.
6. The lighting module of claim 5, wherein the Fresnel lens group comprises a plurality of Fresnel lens units, and each Fresnel lens unit corresponds to one dodging lens.
7. The lighting module according to claim 6, wherein the Fresnel lens unit has a shape matching a spot shape formed on an illuminated surface of the light distributed by the dodging lens.
8. The illumination module as set forth in claim 1, wherein the first LED light source and the lens module are disposed directly above the light incident surface of the light guide plate, and the light emitted from the first LED light source is incident perpendicularly to the light incident surface of the light guide plate.
9. The illumination module as set forth in claim 1, wherein the first LED light source and the lens module are disposed above the light incident surface of the light guide plate, and a polarizer is disposed between the lens module and the light guide plate, wherein the light emitted from the first LED light source is incident on the light incident surface of the light guide plate via the polarizer.
10. A lighting fixture, comprising:
a base having an accommodating space with one side opened;
the lighting module is configured in the accommodating space and comprises a first LED light source, a lens module, a second LED light source and a light guide plate; wherein,
the first LED light source is arranged on the base, the lens module is arranged on a light path channel of light emitted by the first LED light source, and comprises a dodging lens group for diffusing the light emitted by the first LED light source and a Fresnel lens group for converging the light distributed by the dodging lens group at a certain angle;
the light guide plate is arranged on a light path channel through which light rays emitted by the first LED light source are emitted from the light emitting surface of the Fresnel lens group, and the second LED light sources are arranged at two ends of the light guide plate;
after the light emitted by the first LED light source is distributed by the lens module, the light and the light of the second LED light source are emitted through the light emitting surface of the light guide plate together, and the power ratio of the first LED light source to the second LED light source is more than 4: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110579784.8A CN113237007A (en) | 2021-05-26 | 2021-05-26 | Illumination module and illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110579784.8A CN113237007A (en) | 2021-05-26 | 2021-05-26 | Illumination module and illumination lamp |
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| CN113237007A true CN113237007A (en) | 2021-08-10 |
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| CN202110579784.8A Pending CN113237007A (en) | 2021-05-26 | 2021-05-26 | Illumination module and illumination lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688105A (en) * | 2011-07-20 | 2014-03-26 | 皇家飞利浦有限公司 | A lighting element, a lighting system and a luminaire providing a skylight appearance |
| WO2015082575A1 (en) * | 2013-12-05 | 2015-06-11 | Koninklijke Philips N.V. | Optical device, lighting device and lighting system |
| CN105372786A (en) * | 2014-07-31 | 2016-03-02 | 南昌欧菲光电技术有限公司 | Lens module and image acquisition device |
| CN106164587A (en) * | 2014-02-28 | 2016-11-23 | 飞利浦灯具控股公司 | Illuminator |
| CN108139062A (en) * | 2015-10-09 | 2018-06-08 | 飞利浦照明控股有限公司 | The method of lighting system and generation light output |
-
2021
- 2021-05-26 CN CN202110579784.8A patent/CN113237007A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688105A (en) * | 2011-07-20 | 2014-03-26 | 皇家飞利浦有限公司 | A lighting element, a lighting system and a luminaire providing a skylight appearance |
| WO2015082575A1 (en) * | 2013-12-05 | 2015-06-11 | Koninklijke Philips N.V. | Optical device, lighting device and lighting system |
| CN106164587A (en) * | 2014-02-28 | 2016-11-23 | 飞利浦灯具控股公司 | Illuminator |
| CN105372786A (en) * | 2014-07-31 | 2016-03-02 | 南昌欧菲光电技术有限公司 | Lens module and image acquisition device |
| CN108139062A (en) * | 2015-10-09 | 2018-06-08 | 飞利浦照明控股有限公司 | The method of lighting system and generation light output |
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Application publication date: 20210810 |