CN105909989B - Cut dull and stereotyped lamp of light formula LED - Google Patents
Cut dull and stereotyped lamp of light formula LED Download PDFInfo
- Publication number
- CN105909989B CN105909989B CN201610432368.4A CN201610432368A CN105909989B CN 105909989 B CN105909989 B CN 105909989B CN 201610432368 A CN201610432368 A CN 201610432368A CN 105909989 B CN105909989 B CN 105909989B
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- light
- plate
- flat
- lamp
- led
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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
- F21V7/0008—Reflectors for light sources providing for indirect lighting
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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
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- 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
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
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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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention relates to a light-intercepting LED panel lamp, which comprises a lamp shell, a light-transmitting plate and a heat-radiating side plate, wherein the lamp shell is provided with a bottom plate, the light-transmitting plate is positioned below the bottom plate, and the heat-radiating side plate is arranged below the bottom plate; the first surface of the Fresnel reflector plate is a smooth surface, the first surface of the Fresnel reflector plate is in surface fit with the bottom surface of the bottom plate, the second surface of the Fresnel reflector plate is a Fresnel structure surface, and the second surface of the Fresnel reflector plate is arranged opposite to the top surface of the light-transmitting plate; and the light emitting component is provided with a substrate, an LED chip, a condensing lens and a reflecting cover, wherein the LED chip system emits light laterally, the condensing lens system is arranged in the light emitting direction of the LED chip, and the reflecting cover is arranged below the LED chip. The invention has the advantages that: the flat lamp has uniform and soft light emitting, and the edge of the irradiation surface of the emergent light is cut off, so that the effect of sunlight irradiation can be simulated.
Description
Technical Field
The invention relates to the field of LED illumination, in particular to a light-intercepting type LED panel lamp.
Background
The LED light source is a new generation light source which is green, energy-saving and environment-friendly, and is widely applied to indoor places such as houses, businesses and the like. Especially in offices, conference rooms, etc., LED flat panel lamps have become a mainstream lighting. Most of the existing LED flat lamps can only realize simple lighting functions, the light distribution is single, and the lamp efficiency is not high. Specifically, for example, the "smart mirror LED flat lamp" disclosed in CN103672522A, the "high light efficiency LED flat lamp" disclosed in CN104534307A, etc. all use a light guide plate to distribute light, which results in large light loss, especially, the light attenuation is serious after the light guide plate is aged. And the surface of the light guide plate is not uniform enough, and emergent rays are generally lambertian and cannot be in special light shapes. With the higher and higher sensory requirements of people on lighting, the common LED flat lamp cannot meet the requirements of people, and the LED flat lamp with innovation in lighting effect attracts more people.
Disclosure of Invention
The invention aims to solve the problems of large light loss and the like in the prior art and provides a brand-new LED flat lamp which has high light interception performance, and irradiated light spots have a sunlight effect.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: a light-intercepting LED flat lamp comprises,
the lamp comprises a lamp shell and a lamp body, wherein the lamp shell is provided with a bottom plate, a light-transmitting plate positioned below the bottom plate and a heat-radiating side plate connected with the bottom plate and the light-transmitting plate, and a shell accommodating space is defined by the bottom plate, the light-transmitting plate and the heat-radiating side plate;
the Fresnel reflector is positioned in the housing accommodating space and provided with a first surface and a second surface, the first surface of the Fresnel reflector is a smooth surface, the first surface of the Fresnel reflector is in surface fit with the bottom surface of the bottom plate, the second surface of the Fresnel reflector is a Fresnel structure surface, the second surface of the Fresnel reflector is arranged opposite to the top surface of the light-transmitting plate, and preferably, a high-reflectivity coating is arranged on the second surface of the Fresnel reflector; and the number of the first and second groups,
the LED light source comprises a light emitting part, a light emitting part and a light reflecting cover, wherein the light emitting part is arranged in the accommodating space of the shell and is provided with a substrate, an LED chip, a condensing lens and a reflecting cover, the LED chip is light emitting from the side, the condensing lens is arranged in the light emitting direction of the LED chip, and the reflecting cover is arranged below the LED chip.
As an optimal scheme of the light-intercepting LED panel light, the bottom plate is parallel to the light-transmitting plate, the heat-radiating side plate is perpendicular to the light-transmitting plate, the bottom surface of the bottom plate is a flat or relatively flat surface, and the top surface of the light-transmitting plate is a flat or relatively flat surface.
As a preferred scheme of the light-intercepting LED flat panel lamp, the heat-dissipating side plate has a side plate inner surface located in the housing accommodating space and a side plate outer surface located outside the housing accommodating space, the side plate inner surface is a flat or relatively flat surface, and the side plate outer surface has a fin structure.
As a preferred scheme of the light-intercepting type LED flat lamp, the heat dissipation side plate and the substrate are both made of aluminum materials.
Preferably, the substrate has a first surface and a second surface, the first surface of the substrate is a substrate fixing surface, the first surface of the substrate is in surface contact with the inner surface of the side plate, the second surface of the substrate is a component mounting surface, and the LED chip and the condenser lens are provided on the second surface of the substrate.
As an optimal scheme of intercepting dull and stereotyped lamp of light formula LED, the bowl is the arcwall face structure, the bowl have combine in first end on the second surface of base plate and edge the second end that the light-emitting direction of LED chip extends, first end is a little higher than the second end, preferably, the bowl is the trend of downwardly convex.
As a preferred scheme of the light-cutting type LED flat lamp, the reflector is provided with a high-reflectivity coating.
As a preferred scheme of the light-intercepting LED flat panel lamp, the light-intercepting LED flat panel lamp further includes a power supply for the LED chip to operate, and the power supply is located outside the housing accommodating space.
As a preferred scheme of the light-intercepting type LED flat lamp, the LED chip is a light source chip formed by surface mount package (SMD) or Chip On Board (COB) packaging.
Compared with the prior art, the invention has at least the following advantages: 1. simple structure and convenient processing. 2. The lamp has high efficiency, and is energy-saving and environment-friendly. 3. Each ray is emitted according to a specific angle by utilizing the principle of reflection, and the formed light spot is uniform and is intercepted on the periphery, thereby providing a sense of sunlight incidence for people. 4. The LED lamp has the advantages of good heat dissipation performance, high reliability after long-time use and small light attenuation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic diagram of the use of an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 2, a light-intercepting LED flat lamp is shown. The structure of the LED light source mainly comprises a bottom plate 1, a light transmitting plate 2, a heat radiating side plate 3, a light emitting component 4 (an aluminum substrate 41, an LED chip 42, a condensing lens 43 and a reflecting cover 44), a Fresnel reflecting plate 5, a power supply 6 and fixing screws.
The base plate 1 is formed of metal or plastic by mold processing or machining. The base plate 1 has a flat plane.
The Fresnel reflector plate 5 is formed by machining or machining optical glass or organic glass through a die. The fresnel reflection plate 5 has a high refractive index. One surface of the Fresnel reflection plate 5 is a flat plane, and the flat plane is attached to the bottom plate 1. The other side 50 is a fresnel structure, which is opposite to the light-transmitting plate 2. Wherein the side with the fresnel structure is coated with a high reflectivity coating.
The light-transmitting plate 2 is formed by processing glass or organic glass through a die or machining. The surface of the light-transmitting plate 2 is smooth, and light rays are reflected by the Fresnel reflecting plate 5 and then pass through the light-transmitting plate 2 to be emitted.
The radiating side plate 3 is formed by aluminum alloy through die machining or machining. The heat dissipation side plate 3 is vertically connected between the bottom plate 1 and the light transmission plate 2. The outer surface of the heat dissipation side plate 3 is provided with a micro fin structure, and the inner surface of the heat dissipation side plate 3 is provided with a light source plane.
The LED chip 42 is a light source chip formed by chip packaging or COB packaging.
The condenser lens 43 is attached to the surface of the LED chip 42. The condenser lens 43 is a small-angle condenser lens 43 made of glass or organic glass.
The aluminum substrate 41 has pads, electrodes, and wirings. The LED chip 42 is fixed on the pad of the aluminum substrate 41 by reflow soldering, and the bottom surface of the aluminum substrate 41 is attached to the inner surface of the heat-dissipating side plate 3.
The reflector 44 is formed of metal or plastic by a molding process or a machining process. The reflective cover has a first end combined on the aluminum substrate 41 and a second end extending along the light-emitting direction of the LED chip 42, the first end is slightly higher than the second end, and preferably, the reflective cover tends to be convex downward. The light emitted by the LED chip 42 through the condensing lens 43 is reflected to the fresnel structure surface of the fresnel reflection plate 5, and the surface of the reflection cover 44 is plated with a high-reflectivity coating, so as to increase the reflection efficiency.
The power supply 6 is connected with the electrode of the aluminum substrate 41 and the power supply electrode through wires to supply power to the LED chip 42. The power supply 6 is arranged outside the lamp.
The high reflectivity coating may be specular aluminum or a white coating.
The use process comprises the following steps:
the LED chip 42 is activated. The light is emitted sideways through the condenser lens 43. The condenser lens 43 can strictly control the light emission angle and the light emission direction of the light. Then, the light is divided into two parts, one part of the light directly irradiates to the fresnel reflection plate 5, is reflected by the fresnel reflection plate 5, and finally exits from the light transmission plate 2. The other part is reflected to the Fresnel reflection plate 5 through the reflection cover, is reflected by the Fresnel reflection plate 5, and finally is emitted outwards from the light transmission plate 2.
The above description is only intended to represent the embodiments of the present invention, and the description is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A light-intercepting LED flat lamp is characterized in that the LED flat lamp comprises,
the lamp comprises a lamp shell and a lamp body, wherein the lamp shell is provided with a bottom plate, a light-transmitting plate positioned below the bottom plate and a heat-radiating side plate connected with the bottom plate and the light-transmitting plate, and a shell accommodating space is defined by the bottom plate, the light-transmitting plate and the heat-radiating side plate;
the Fresnel reflector is positioned in the housing accommodating space and provided with a first surface and a second surface, the first surface of the Fresnel reflector is a smooth surface, the first surface of the Fresnel reflector is in surface fit with the bottom surface of the bottom plate, the second surface of the Fresnel reflector is a Fresnel structure surface, and the second surface of the Fresnel reflector is opposite to the top surface of the light-transmitting plate; and the number of the first and second groups,
the light emitting component is positioned in the housing accommodating space and is provided with a substrate, an LED chip, a condensing lens and a reflecting cover, the LED chip system emits light laterally, the condensing lens system is arranged in the light emitting direction of the LED chip, and the reflecting cover is arranged below the LED chip;
the bottom plate is arranged parallel to the light-transmitting plate, the heat-radiating side plate is perpendicular to the light-transmitting plate, the bottom surface of the bottom plate is a flat or relatively flat surface, and the top surface of the light-transmitting plate is a flat or relatively flat surface;
the heat dissipation side plate is provided with a side plate inner surface positioned in the shell accommodating space and a side plate outer surface positioned outside the shell accommodating space, the side plate inner surface is a flat or relatively flat surface, and the side plate outer surface is provided with a fin structure;
the substrate is provided with a first surface and a second surface, the first surface of the substrate is a substrate fixing surface, the first surface of the substrate is in face-to-face fit with the inner surface of the side plate, the second surface of the substrate is a component mounting surface, and the LED chip and the condensing lens are arranged on the second surface of the substrate.
2. The flat LED lamp as claimed in claim 1, wherein the heat-dissipating side plate and the base plate are made of aluminum.
3. The flat LED lamp as claimed in claim 1, wherein the reflector has an arc-shaped surface structure, the reflector has a first end coupled to the second surface of the substrate and a second end extending along the light-emitting direction of the LED chip, the first end is slightly higher than the second end, and the reflector tends to be convex downward.
4. The flat LED lamp of claim 3, wherein said reflector has a high reflectivity coating.
5. The flat LED lamp as claimed in claim 1, further comprising a power supply for operating the LED chip, wherein the power supply is disposed outside the housing.
6. The flat LED lamp as claimed in claim 1, wherein the LED chip is a chip-on-chip or COB-packaged light source chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432368.4A CN105909989B (en) | 2016-06-17 | 2016-06-17 | Cut dull and stereotyped lamp of light formula LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432368.4A CN105909989B (en) | 2016-06-17 | 2016-06-17 | Cut dull and stereotyped lamp of light formula LED |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909989A CN105909989A (en) | 2016-08-31 |
| CN105909989B true CN105909989B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610432368.4A Active CN105909989B (en) | 2016-06-17 | 2016-06-17 | Cut dull and stereotyped lamp of light formula LED |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA3071829A1 (en) | 2017-08-01 | 2019-02-07 | Technical Consumer Products, Inc. | Edge-lit light fixture having capabilities for a secondary service |
| CN108308028A (en) * | 2018-03-21 | 2018-07-24 | 华南理工大学 | A kind of plant tissue culture bottle of high transparency |
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|---|---|---|---|---|
| EP1107210A2 (en) * | 1999-12-09 | 2001-06-13 | SWARCO FUTURIT Verkehrssignalsysteme Ges.m.b.H. | LED signal emitter comprising a plurality of LED zones |
| CN101918756A (en) * | 2008-01-07 | 2010-12-15 | 纳普利特显示公司 | Lighting element |
| CN102052601A (en) * | 2009-11-10 | 2011-05-11 | 海洋王照明科技股份有限公司 | Bidirectionally luminous runway edge lamp |
| CN103574414A (en) * | 2013-11-04 | 2014-02-12 | 厦门伟迪康科技有限公司 | Illuminant for optical monitoring |
| EP2927890A2 (en) * | 2014-03-24 | 2015-10-07 | Siemens Aktiengesellschaft | Signal transmitter for dispensing a light signal |
| CN105579763A (en) * | 2013-07-10 | 2016-05-11 | 黄金眼公司 | Self cooling light source |
| CN205678445U (en) * | 2016-06-17 | 2016-11-09 | 上海策元实业有限公司 | A kind of section of light formula LED flat lamp |
-
2016
- 2016-06-17 CN CN201610432368.4A patent/CN105909989B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1107210A2 (en) * | 1999-12-09 | 2001-06-13 | SWARCO FUTURIT Verkehrssignalsysteme Ges.m.b.H. | LED signal emitter comprising a plurality of LED zones |
| CN101918756A (en) * | 2008-01-07 | 2010-12-15 | 纳普利特显示公司 | Lighting element |
| CN102052601A (en) * | 2009-11-10 | 2011-05-11 | 海洋王照明科技股份有限公司 | Bidirectionally luminous runway edge lamp |
| CN105579763A (en) * | 2013-07-10 | 2016-05-11 | 黄金眼公司 | Self cooling light source |
| CN103574414A (en) * | 2013-11-04 | 2014-02-12 | 厦门伟迪康科技有限公司 | Illuminant for optical monitoring |
| EP2927890A2 (en) * | 2014-03-24 | 2015-10-07 | Siemens Aktiengesellschaft | Signal transmitter for dispensing a light signal |
| CN205678445U (en) * | 2016-06-17 | 2016-11-09 | 上海策元实业有限公司 | A kind of section of light formula LED flat lamp |
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| Publication number | Publication date |
|---|---|
| CN105909989A (en) | 2016-08-31 |
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