CN114216101A - Lamp set - Google Patents
Lamp set Download PDFInfo
- Publication number
- CN114216101A CN114216101A CN202111646721.6A CN202111646721A CN114216101A CN 114216101 A CN114216101 A CN 114216101A CN 202111646721 A CN202111646721 A CN 202111646721A CN 114216101 A CN114216101 A CN 114216101A
- Authority
- CN
- China
- Prior art keywords
- light source
- light
- reflector
- luminaire
- source plate
- 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
Images
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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The embodiment of the application discloses a lamp, which comprises a light source plate, wherein a light source is arranged on one side surface of the light source plate, and the light source plate is provided with a light transmitting area; the reflector is formed by rotating an arc bus around a central axis and comprises a reflecting surface facing the light source; light rays emitted by the light source irradiate the reflector, are reflected by the reflecting surface and then penetrate through the light-transmitting area to be emitted. The lamp has the beneficial effects that the lamp adopts the combination of the light source plate and the reflector, so that the concentrated light of the light source is reflected and dispersed to form a uniform light emitting surface, the laying area of the light emitting surface is increased while the light emitting uniformity is ensured, the focus formed after the light is reflected by the concave curved surface of the reflector is positioned in the light transmitting hole of the light source plate, and the glare problem of the lamp can be effectively reduced.
Description
Technical Field
The application relates to the field of lighting, in particular to a lamp.
Background
Eye-protecting lamps are more popular in the market at present. Uniformity has always been an important indicator of eye protection. The national standard 9473 requires the AA or a grade a uniformity of a sector area. However, the uniformity of the eye-protecting lamp in the prior art is always deficient.
Disclosure of Invention
The embodiment of the application provides a lamp, can solve the not good technical problem of the light-emitting uniformity of prior art's lamps and lanterns.
The embodiment of the application provides a lamp, which comprises a light source plate, wherein a light source is arranged on one side surface of the light source plate, and the light source plate is provided with a light transmitting area; the reflector is formed by rotating an arc bus around a central axis and comprises a reflecting surface facing the light source; light rays emitted by the light source irradiate the reflector, are reflected by the reflecting surface and then penetrate through the light source plate to be emitted.
Optionally, in some embodiments of the present application, an included angle between a projection line of the central axis on the light source board and the central axis is an acute angle.
Optionally, in some embodiments of the present application, a projection pattern of the reflector on the light source board completely falls into a rectangular frame with a long side dimension of a and a wide side dimension of b, and the projection pattern is tangent to the long side and the wide side of the rectangular frame, and a ratio of a to b is 1.1-1.5.
Optionally, in some embodiments of the present application, the light source is disposed in the rectangular frame and is equidistant from the two long sides.
Optionally, in some embodiments of the present application, the light source board includes a first member and a second member which are joined together, the light source is disposed on the first member, the transmissive region is disposed on the second member, and a distance between the reflector and the first member is smaller than a distance between the reflector and the second member.
Optionally, in some embodiments of the present application, the lamp further includes a housing, a cavity is disposed inside the housing, the reflector is disposed in the cavity, and the light source plate covers an opening of the cavity.
Optionally, in some embodiments of the present application, the longest vertical distance between the reflection surface and the light source board is H, and H is 10-20 mm.
Optionally, in some embodiments of the present application, the second member is a light transmissive material.
Optionally, in some embodiments of the present application, a light hole is disposed on the second component, and the light hole corresponds to the light-transmitting area.
Optionally, in some embodiments of the present application, a ratio of the first member to the second member in the long side direction is 2:1 to 3: 1.
The lamp has the beneficial effects that the lamp adopts the combination of the light source plate and the reflector, so that the concentrated light of the light source is reflected and dispersed to form a uniform light emitting surface, the laying area of the light emitting surface is increased while the light emitting uniformity is ensured, the focus formed after the light is reflected by the concave curved surface of the reflector is positioned in the light transmitting hole of the light source plate, and the glare problem of the lamp can be effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a lamp structure provided in an embodiment of the present application;
FIG. 2 is a top view of a reflector and light source board provided by embodiments of the present application;
FIG. 3 is a side view of a reflector and light source board provided by an embodiment of the present application;
fig. 4 is a light path diagram of a lamp provided in an embodiment of the present application.
Description of reference numerals:
a light source board 1; a light source 2;
a reflector 3; a housing 4;
a first member 11; a second part 12;
a reflection surface 31; and a light transmission hole 121.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides a lamp. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Examples
As shown in fig. 1 and fig. 2, in the present embodiment, the luminaire of the present invention includes a light source board 1, a light source 2, a reflector 3, and a housing 4. The light source plate 1 comprises a first part 11 and a second part 12 which are spliced with each other, the light source 2 is arranged on one side surface of the second part 12, the reflector 3 comprises a reflecting surface 31, the reflecting surface 31 faces the direction of the light source 2, so that light rays emitted by the light source 2 are reflected by the reflecting surface 31 and then penetrate through the first part 11 to be emitted, the light rays with gathering performance are dispersed to form uniform surface light, and the irradiation area and the soft light emitting effect of the lamp are improved.
Specifically, in this embodiment, first part 11 is the heat dissipation part, adopt graphite alkene, liquid metal or heat pipe technique realize the heat dissipation function, its mainly used installs light source 2 and the heat that the scattered light source 2 produced, guarantee first part 11's heat evenly distributed, avoid because thermal stress leads light source board 1 to take place deformation, light source 2 sets up the edge that is close to second part 12 at first part 11, so that the light that light source 2 sent can maximize reflection to second part 12 on, promote light utilization ratio.
The second member 12 is used for transmitting the light reflected by the reflection surface 31, in this embodiment, the second member 12 is made of a transparent material, and the light transmittance thereof exceeds 95%, in another preferred embodiment of the present invention, a light hole 121 is formed on the second member 12, the size of the light hole 121 is the size of the area of the light reflected by the reflection surface 31 onto the second member 12, specifically, when the light emitted by the light source 2 is reflected by the reflection surface 31, most of the light will converge at a focal point and be emitted at the focal point, in this embodiment, the focal point is located on the second member 12, and the light hole 121 corresponds to the focal point, so as to avoid the glare problem caused by the light concentration at the focal point.
In the embodiment, the length size ratio of the first part to the second part is 2: 1-3: 1, so that the light emitting rate of the light source 2 is improved while the heat dissipation effect is ensured.
The reflector 3 and the light source board 1 are arranged opposite to each other, in this embodiment, the reflector 3 is a bowl-shaped structure and formed by rotating an arc bus around a central axis, in order to improve the reflection effect of the reflector 3, in this embodiment, a layer of reflective film is coated on the inner surface of the reflector 3, the reflective film is a reflective surface 31, the reflective surface 31 is a concave curved surface, light emitted by the light source 2 is reflected by the concave curved surface and then can be dispersed into large-angle light and irradiate the direction of the second component 12, in order to increase the irradiation area, as shown in fig. 3, in this embodiment, the reflector 3 and the light source board 1 are arranged obliquely, specifically, an included angle between a projection line of the central axis of the reflector 3 on the light source board 1 and the central axis is an acute angle, preferably 9 degrees, and the light source 2 corresponds to one end of the reflector 3 close to the light source board 1, the projection of the inclined reflector 3 on the light source board 1 is an eggshell-shaped graph which is symmetrical left and right and narrow at the top and wide at the bottom, the eggshell-shaped graph completely falls into a rectangular frame with a long side dimension of a and a wide side dimension of b, the upper, the lower, the left and the right of the eggshell-shaped graph are tangent to the rectangular frame, the ratio of a to b is 1.1-1.5, in the embodiment, the ratio of a to b is 1.2, and the inclination degree of the reflector 3 can be embodied through the ratio of a to b. The light source 2 corresponds to the left and right center positions of the reflector 3, namely the light source 2 is arranged in the rectangular frame and has the same distance with the two long sides. The light source 2 is arranged at a lower position corresponding to the longitudinal direction (long side direction) of the reflector 3, so that light rays emitted by the light source 2 can be reflected to the second part 12 to the maximum extent, and the light efficiency utilization rate is improved.
As shown in fig. 4, in the embodiment, the distance between the reflector 3 and the light source plate 1 needs to be adjusted so that the focus of the light reflected by the emitter 3 falls on the light source plate 1, thereby reducing the glare reaction and increasing the light emitting surface, and through experiments, when the distance between the light source plate 1 and the top point (the concave point of the concave curved surface) of the reflecting surface 31 is 10-20 mm, the light emitting effect is the best. The light source plate can achieve the light emitting surface effect of 1.2 x 0.7m while ensuring the uniformity, and the laying area and the brightness of the light emitting surface can be continuously adjusted by adjusting the vertical distance between the light source plate 1 and the top point of the reflecting surface 31 and adjusting the inclination angle of the reflector 3, so that different requirements are met.
The shell 4 is the box body structure, and 4 covers of shell are established in the outside of reflector 3, just the opening of box body structure is covered by light source board 1, and shell 4 adopts shading material or extinction material, and the light of avoiding leaks outside and influences the light-emitting degree of consistency of lamps and lanterns.
The beneficial effects of this embodiment lie in, the lamps and lanterns of this embodiment adopt light source board and reflector combination to disperse the concentrated light reflection of light source and form even light emitting area, promoted the area of laying of light emitting area when guaranteeing the light-emitting degree of consistency, the focus that forms after the reflection of the indent curved surface of light source board via the reflector is located the printing opacity hole of light source board, can effectively reduce the glare problem of lamps and lanterns.
The above detailed description is provided for a lamp provided in the embodiments of the present application, and specific examples are applied herein to explain the principles and embodiments of the present application, and the description of the above embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A lamp, characterized in that, comprises
The light source plate (1) is provided with a light source (2) on one side surface, and the light source plate (1) is provided with a light transmitting area;
the reflector (3) is formed by rotating an arc bus around a central axis, and the reflector (3) comprises a reflecting surface (31), wherein the reflecting surface (31) faces the light source (2);
light rays emitted by the light source (2) irradiate the reflector (3), are reflected by the reflecting surface (31) and then penetrate through the light-transmitting area to be emitted.
2. The luminaire of claim 1,
the central axis is in the projection line on light source board (1) with the contained angle between the central axis is the acute angle.
3. The luminaire of claim 1,
the projection pattern of the reflector (3) on the light source plate (1) completely falls into a rectangular frame with a long side dimension of a and a wide side dimension of b, the projection pattern is tangent to the long side and the wide side of the rectangular frame, and the ratio of the a to the b is 1.1-1.5.
4. The luminaire of claim 3,
the light source (2) is arranged in the rectangular frame and is equal to the two long edges in distance.
5. The luminaire of claim 1,
the light source plate (1) comprises a first part (11) and a second part (12) which are spliced with each other, the light source (2) is arranged on the first part (11), the light-transmitting area is positioned on the second part (12), and the distance between the reflector (3) and the first part (11) is smaller than the distance between the reflector (3) and the second part (12).
6. The luminaire of claim 1, further comprising
The LED lamp comprises a shell (4), wherein a cavity is formed in the shell, a reflector (3) is arranged in the cavity, and an opening of the cavity is covered by a light source plate (1).
7. The luminaire of claim 1,
the longest vertical distance between the reflecting surface (31) and the light source board (1) is H, and H is 10-20 mm.
8. The luminaire of claim 5,
the second part (12) is a light-transmitting material.
9. The luminaire of claim 5,
the second component (12) is provided with a light hole (121) which corresponds to the light-transmitting area.
10. The luminaire of claim 5,
the ratio of the dimensions of the first member (11) to the dimensions of the second member (12) in the longitudinal direction is 2:1 to 3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111646721.6A CN114216101A (en) | 2021-12-30 | 2021-12-30 | Lamp set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111646721.6A CN114216101A (en) | 2021-12-30 | 2021-12-30 | Lamp set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114216101A true CN114216101A (en) | 2022-03-22 |
Family
ID=80706935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111646721.6A Pending CN114216101A (en) | 2021-12-30 | 2021-12-30 | Lamp set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114216101A (en) |
-
2021
- 2021-12-30 CN CN202111646721.6A patent/CN114216101A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10400992B2 (en) | Lighting apparatus having different reflection sheets | |
| JP5241015B2 (en) | Optical lens and road lighting | |
| CA1095575A (en) | Ellipsoidal reflector lamp | |
| CN110848595B (en) | Desk lamp lighting device | |
| JP5167099B2 (en) | Lighting device | |
| WO2024199164A1 (en) | Light supplementing lamp and electronic device | |
| US10539300B2 (en) | Lighting apparatus | |
| US6739737B2 (en) | Lamp body for a fluorescent compact spot and flood light source | |
| CN216844528U (en) | Lamp set | |
| US5278744A (en) | Illumination device and luminaire for use therein | |
| CN114216101A (en) | Lamp set | |
| JPH01143366A (en) | Led face light emitting source | |
| CN207621941U (en) | A kind of 180 ° of warning lamps | |
| KR20220098713A (en) | Lighting apparatus | |
| CN208269061U (en) | A kind of backlight module LED light reflector | |
| CN103441211B (en) | A kind of LED encapsulation structure of asymmetrical rectangular light spot | |
| CN211780872U (en) | Anti-dazzle cover and lamp | |
| JP2013145723A (en) | Led lighting device | |
| CN213513414U (en) | Diffuse reflection low glare blackboard lamp | |
| JPS6368815A (en) | Backlighting structure for liquid crystal display device | |
| CN213361982U (en) | Side light-emitting structure and lamp | |
| CN108240607A (en) | A kind of collimation lens for being used to wash wall | |
| CN220119222U (en) | Lighting lamp | |
| CN211083654U (en) | Novel soft printing opacity L ED lamps and lanterns | |
| CN218510795U (en) | Novel stage lighting Fresnel lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |