CN212929896U - Reflector module for blackboard lamp - Google Patents
Reflector module for blackboard lamp Download PDFInfo
- Publication number
- CN212929896U CN212929896U CN202021650995.3U CN202021650995U CN212929896U CN 212929896 U CN212929896 U CN 212929896U CN 202021650995 U CN202021650995 U CN 202021650995U CN 212929896 U CN212929896 U CN 212929896U
- Authority
- CN
- China
- Prior art keywords
- reflector plate
- reflector
- baffle
- reflection
- pcb board
- 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.)
- Active
Links
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a reflector module for blackboard lamp, including curved reflector plate, the reflector plate is rectangular shape, and inner arc one side of reflector plate is equipped with a plurality of reflection baffle, and reflection baffle arranges along the length direction of reflector plate, and reflection baffle divides the reflector plate into a plurality of reflection regions, is fixed with the PCB board on the reflection baffle, is equipped with LED lamp pearl on the PCB board, and LED lamp pearl is towards the reflector plate. The utility model provides a reflector module for blackboard lamp has assembly and disassembly tools simple structure, is lighted advantages such as face surface light distribution is even.
Description
Technical Field
The utility model belongs to the technical field of the LED lamps and lanterns and specifically relates to a reflector module is used to blackboard lamp.
Background
Due to the upgrading of lighting technology standards and the popularization of blackboard-dedicated lighting products, blackboard lighting lamps have become indispensable special lighting lamps for classroom lighting. Most of existing blackboard lamps have defects of lamp structures and installation modes, light of the blackboard lamps is unevenly distributed, and the blackboard lamps are prone to causing eye ache, lacrimation and the like, and adverse reactions such as eye fatigue, reduction of working efficiency and even vision reduction can be caused when the blackboard lamps are operated under the condition of strong glare for a long time. Therefore, it is necessary to design a reflector module for a blackboard lamp, which has the advantages of simple structure, convenient manufacture and installation, uniform surface light energy distribution on the illuminated surface, and the like.
Chinese patent application publication No. CN104676393A, published as 2015, 06, 03, entitled "a blackboard lamp", discloses a blackboard lamp, which includes: a lamp tube; the reflector comprises two oppositely arranged first side walls extending along the direction of the lamp tube and a first top wall connecting the two first side walls; the shell comprises two oppositely arranged second side walls extending along the direction of the lamp tube, third side walls which are respectively vertical to the two second side walls and oppositely arranged, and a second top wall which connects the two second side walls and the two third side walls; at least one of the two first side walls is arc-shaped, at least one of the two second side walls is arc-shaped, the two first side walls are different in width, the two second side walls are different in width, the first side wall with the wider width is opposite to the second side wall with the narrower width, and the second side wall with the wider width is opposite to the first side wall with the narrower width. However, the blackboard lamp still has the problem of uneven illuminated surface light.
Disclosure of Invention
The utility model discloses an overcome among the prior art blackboard lamp shine a light distribution inhomogeneous, easily lead to the problem of eyes aching pain, lacrimation etc. provide a reflector module for blackboard lamp, have assembly and disassembly tools simple structure, advantage such as being shone a surface light distribution evenly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a reflector module for blackboard lamp, includes curved reflector plate, and the reflector plate is rectangular shape, and inner arc one side of reflector plate is equipped with a plurality of reflection baffle, and reflection baffle arranges along the length direction of reflector plate, and reflection baffle divides into a plurality of reflection regions with the reflector plate, is fixed with the PCB board on the reflection baffle, is equipped with LED lamp pearl on the PCB board, and LED lamp pearl is towards the reflector plate.
In the technical scheme, the strip-shaped reflecting sheet and the reflecting baffle form an open type reflector, wherein the reflecting baffle divides the reflector into a plurality of areas, part of light emitted from the LED light-emitting surface irradiates to the illuminated surface through the main reflecting surface formed by the reflecting sheet, part of light is reflected and emitted through the supplementary reflecting surface formed by the reflecting baffle, and the light reflected by the supplementary reflecting surface is used for supplementing the surface light energy distribution of the illuminated surface, so that the light energy distribution is more uniform.
Preferably, the reflective sheet is formed by splicing a first reflective plate and a second reflective plate with different surface curvatures. The structure can lead the first reflecting plate and the second reflecting plate to have different reflecting angles, and lead the light distribution of the illuminated surface to be more uniform.
Preferably, the curved surface of the first reflecting plate has a parabolic cross-sectional curve, the curved surface of the second reflecting plate has a parabolic cross-sectional curve, and the LED lamp beads are located at the focal points of the two parabolas. The structure can make first reflecting plate and second reflecting plate all can become the even irradiation of parallel light on the face illuminated of scattered light that LED lamp pearl sent.
Preferably, the surface of the reflective sheet is plated with aluminum. The structure can increase the reflection efficiency of the reflective sheet.
Preferably, the back of the PCB is provided with a radiator, and the radiator is tightly attached to the PCB. The structure can improve the heat dissipation effect of the PCB.
Preferably, the reflecting baffle is provided with a positioning groove, and the positioning groove is matched with the PCB. The structure is convenient for the positioning and the installation of the PCB.
Preferably, the PCB is clamped with the reflecting baffle. The structure facilitates the installation of the PCB.
Preferably, the top of the reflector plate is provided with a through hole. A part of light emitted from the LED is emitted from the through hole at the top of the reflector, so that the upper area can be illuminated, and the overall energy utilization rate is improved.
The utility model has the advantages that: (1) the surface light energy distribution of the illuminated surface is uniform; (2) the structure is simple, and the manufacture and the installation are convenient; (3) a part of light emitted from the LED is emitted from the through hole at the top of the reflector, so that the upper area can be illuminated, and the overall energy utilization rate is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: reflector plate 1, first reflecting plate 1.1, second reflecting plate 1.2, through-hole 1.3, reflecting baffle 2, constant head tank 2.1, PCB board 3, LED lamp pearl 4, radiator 5.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1 and 2, a reflector module for a blackboard lamp includes an arc-shaped reflector plate 1, the reflector plate 1 is a strip, the surface of the reflector plate 1 is plated with aluminum, and the reflector plate 1 is formed by splicing a first reflector plate 1.1 and a second reflector plate 1.2 which have different surface curvatures. The section curve of the curved surface of the first reflecting plate 1.1 is a parabola, the section curve of the curved surface of the second reflecting plate 1.2 is a parabola, and the top of the reflecting sheet 1 is provided with a through hole 1.3. A plurality of reflection baffle 2 is fixed with on one side of the inner arc of reflector plate 1, and reflection baffle 2 arranges along reflector plate 1's length direction, and reflection baffle 2 falls into a plurality of reflection zone with reflector plate 1, is equipped with constant head tank 2.1 on the reflection baffle 2, and the joint has PCB board 3 on the reflection baffle 2, be equipped with constant head tank 2.1 on the reflection baffle 2, constant head tank 2.1 and PCB board 3 adaptation are fixed with LED lamp pearl 4 on the PCB board 3, and LED lamp pearl 4 is towards reflector plate 1. LED lamp pearl 4 is located the focus of two parabolas, and the back of PCB board 3 is equipped with radiator 5.
In the technical scheme, the strip-shaped reflecting sheet 1 and the reflecting baffle 2 form an open type reflector, wherein the reflecting baffle 2 divides the reflector into a plurality of areas, part of light emitted from the LED light-emitting surface irradiates to an illuminated surface through a main reflecting surface formed by the reflecting sheet 1, part of light is reflected and emitted through a supplementary reflecting surface formed by the reflecting baffle 2, and the light reflected by the supplementary reflecting surface is used for supplementing the surface light energy distribution of the illuminated surface, so that the light energy distribution is more uniform. The first reflecting plate 1.1 and the second reflecting plate 1.2 can change the scattered light emitted by the LED lamp beads 4 into parallel light to be uniformly irradiated on an irradiated surface.
The utility model has the advantages that: the surface light energy distribution of the illuminated surface is uniform; the structure is simple, and the manufacture and the installation are convenient; a part of light emitted from the LED is emitted from the through hole at the top of the reflector, so that the upper area can be illuminated, and the overall energy utilization rate is improved.
Claims (7)
1. The utility model provides a reflector module for blackboard lamp, characterized by, includes curved reflector plate, and the reflector plate is rectangular shape, and inner arc one side of reflector plate is equipped with a plurality of reflection baffle, and reflection baffle arranges along the length direction of reflector plate, and reflection baffle divides the reflector plate into a plurality of reflection regions, is fixed with the PCB board on the reflection baffle, is equipped with LED lamp pearl on the PCB board, and LED lamp pearl is towards the reflector plate.
2. The reflector module for blackboard lamp according to claim 1, wherein the reflector plate is formed by splicing a first reflector plate and a second reflector plate with different surface curvatures.
3. The reflector module for a blackboard lamp according to claim 2, characterized in that the curved section curve of the first reflector plate is a parabola, the curved section curve of the second reflector plate is a parabola, and the LED lamp bead is located at the focus of the two parabolas.
4. The reflector module for blackboard lamp as in claim 1, wherein the surface of the reflector plate is aluminized.
5. The reflector module for blackboard lamp according to claim 1, 2, 3 or 4, wherein the back of the PCB board is provided with a heat sink, and the heat sink is closely attached to the PCB board.
6. The reflector module for blackboard lamp according to claim 1, 2, 3 or 4, wherein the reflective baffle has a positioning groove, the positioning groove is adapted to the PCB.
7. The reflector module for blackboard lamp according to claim 1 or 2 or 3 or 4, wherein the PCB board is clamped with the reflecting baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021650995.3U CN212929896U (en) | 2020-08-10 | 2020-08-10 | Reflector module for blackboard lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021650995.3U CN212929896U (en) | 2020-08-10 | 2020-08-10 | Reflector module for blackboard lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212929896U true CN212929896U (en) | 2021-04-09 |
Family
ID=75335446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021650995.3U Active CN212929896U (en) | 2020-08-10 | 2020-08-10 | Reflector module for blackboard lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212929896U (en) |
-
2020
- 2020-08-10 CN CN202021650995.3U patent/CN212929896U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201066098Y (en) | LED lamp fixture device | |
| CN114659067A (en) | Projection type dipped beam module for vehicle | |
| CN101922634A (en) | LED (Light Emitting Diode) illumination device | |
| CN101956918A (en) | LE D light guide plate bulb and manufacturing method thereof | |
| CN212929896U (en) | Reflector module for blackboard lamp | |
| CN201858574U (en) | Reflecting LED grille lamp | |
| CN203464169U (en) | Lamp reflector | |
| CN210637978U (en) | Lens for blackboard lamp | |
| CN214249311U (en) | Wall washing lamp | |
| CN213146289U (en) | Energy-saving environment-friendly panel lamp | |
| CN102080792B (en) | Reflection type light-emitting diode (LED) cyclorama light | |
| CN201326933Y (en) | Luminescent panel lamp | |
| CN2699114Y (en) | Luminous lamp holder | |
| CN101109493A (en) | Grille type LED road lamp reflector | |
| CN201281293Y (en) | Focusing apparatus | |
| CN210601478U (en) | Windowsill lamp reflector with Fresnel structure | |
| CN209084568U (en) | A kind of polarisation washes wall anti-glazing cover | |
| CN2699115Y (en) | LED luminous lamp holder | |
| CN203797408U (en) | Novel PAR lamp with reflector | |
| CN204785735U (en) | Metal gomphosis forward type refractive apparatus and light source | |
| CN201836687U (en) | LED light guide plate bulb | |
| CN216047418U (en) | Signal lamp optical system for car lamp | |
| CN217057403U (en) | Projection type high beam module for vehicle | |
| CN217635169U (en) | Anti-dazzle lighting visual optical assembly and spot lamp | |
| CN113007638B (en) | Wall washing lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |