CN218993233U - Direct type back lighting panel lamp - Google Patents
Direct type back lighting panel lamp Download PDFInfo
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- CN218993233U CN218993233U CN202222917986.1U CN202222917986U CN218993233U CN 218993233 U CN218993233 U CN 218993233U CN 202222917986 U CN202222917986 U CN 202222917986U CN 218993233 U CN218993233 U CN 218993233U
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Abstract
The utility model discloses a direct type back lighting panel lamp, which comprises a chassis; the diffusion plate is covered on the chassis; the LED light source assembly is installed in the chassis, the LED light source assembly comprises a front light source plate and a back light source plate, the front light source plate irradiates towards the front direction of the chassis, the back light source plate irradiates towards the back direction of the chassis, and the bottom wall of the chassis is provided with a transmission part corresponding to the back light source plate. According to the utility model, the front light source plate and the back light source plate with opposite irradiation directions are arranged in the chassis, so that the front space and the back space of the lamp are illuminated, the brightness of the whole space is increased, the problem of visual fatigue can be relieved, and the front light source plate and the back light source plate are arranged in the chassis, so that the assembly is convenient and the structure is compact.
Description
Technical Field
The utility model relates to the technical field of illumination, in particular to a direct type back light-emitting panel lamp.
Background
The direct type back light panel lamp is one of LED panel lamps, light sources are distributed on the back, LED light is directly projected through a light diffusion plate, namely, the direct type back light panel lamp is used for commercial illumination, the direct type back light panel lamp is used in a plurality of education places through research, the direct type back light panel lamp is used for cost performance reasons, the direct type back light panel lamp on the market is mostly embedded and lifted, the lifting mode is usually adopted in the education places, after the front of the lifted panel lamp emits light, the back space is compared with the front space, the brightness is poor, the brightness of the whole space is insufficient, visual fatigue of people is easy to cause, and vision is influenced.
Disclosure of Invention
The present utility model is directed to a direct type backlight panel lamp, which solves one or more of the technical problems of the prior art, and at least provides a beneficial choice or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a direct type back lighting panel lamp, which comprises a chassis; the diffusion plate is covered on the chassis; the LED light source assembly is installed in the chassis, the LED light source assembly comprises a front light source plate and a back light source plate, the front light source plate irradiates towards the front direction of the chassis, the back light source plate irradiates towards the back direction of the chassis, and the bottom wall of the chassis is provided with a transmission part corresponding to the back light source plate.
The beneficial effects of the utility model are as follows: through set up front light source board, the back light source board that shines opposite direction in the chassis, can make the front space and the back space of lamps and lanterns all be illuminated, increased whole space brightly and felt, can alleviate the tired problem of vision to front light source board, back light source board are all installed in the inside of chassis, make convenient assembling and compact structure.
As a further improvement of the above technical solution, the transmissive portion includes a transmissive hole formed in the bottom wall of the chassis.
As a further improvement of the above technical solution, the transmissive portion further includes a lens covered outside the transmissive hole.
As a further improvement of the technical scheme, the inner wall surface of the bottom wall is provided with a plurality of strip-shaped sinking grooves, the front light source plate is installed in the sinking grooves, protrusions are formed between the adjacent strip-shaped sinking grooves, and the transmission Kong Kaishe is arranged on the protrusions. The sinking groove can limit the front light source plate and also play a role of reinforcing ribs.
As a further improvement of the above technical solution, the bottom wall is provided with two transmissive holes on both sides in the length direction.
As a further improvement of the above technical solution, the lines of the front light source board and the rear light source board are arranged in parallel and controlled by a controller.
As a further improvement of the technical scheme, the upper and lower light-on ratio of the lamp is set to be 25:75.
As a further improvement of the technical scheme, the outer side of the diffusion plate is also provided with a grid, and the grid is formed into a grid-shaped structure formed by a plurality of grids in a crossing manner by a plurality of separation plates. The arrangement of the grille ensures that the emergent surface of the lamp can not be dazzled when the human eyes directly see the lamp, namely, the emergent angle of the lamp is ensured, the fatigue stimulus of lamplight to human eyes is reduced to a certain extent, and the anti-dazzle effect is good.
As a further improvement of the above technical solution, the partition plate has a tapered shape, and the taper gradually decreases in width from inside to outside.
As a further improvement of the technical scheme, the front light source plate and the rear light source plate both adopt full-spectrum LED lamp beads, so that the color rendering index of the lamp can reach more than 95, R1-R15 are all more than or equal to 90, and the spectrum of sunlight is highly restored.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic view of a partially exploded structure of a direct-lit backlight panel lamp according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a direct-lit backlight panel lamp according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the chassis interior of an embodiment of the present utility model;
fig. 4 is an exploded view of fig. 3.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 4, a direct type backlight panel lamp according to an embodiment of the present utility model is described, which includes a chassis 100, a diffusion plate 200, a grill 300, a frame 400, and an LED light source assembly. The chassis 100 is a shell structure, and is provided with a containing cavity 110 with one side open, the LED light source assembly is arranged on the bottom wall in the chassis 100, the diffusion plate 200 is arranged on the opening of the chassis 100 in a covering manner to seal the containing cavity 110, the grille 300 is arranged on the outer side of the diffusion plate 200, the frame 400 is arranged on the edge of the opening of the chassis 100 and used for tightly pressing and fixing the diffusion plate 200 and the grille 300 on the chassis 100, and the back surface of the bottom of the chassis 100 is also connected with a mounting bracket 800 for lifting a lamp.
The chassis 100 may be made of plastic or metal, and the chassis 100 of this embodiment is made of metal iron by stamping, which has good strength and high economical efficiency, and of course, in other embodiments, stainless steel, aluminum alloy, etc. may be used.
Referring to fig. 3 and 4, the inner wall surface of the bottom wall of the chassis 100 is provided with a plurality of strip-shaped sinking grooves 101 along the length direction, in this embodiment, the number of sinking grooves is three, the sinking grooves are uniformly arranged at intervals along the width direction of the bottom wall, two strip-shaped protrusions 102 are formed between the corresponding three strip-shaped sinking grooves 101, and one transmission hole 120 is formed at each of the two side positions of each protrusion 102 along the length direction, so that two transmission holes 120 are formed at two sides of the bottom wall of the chassis 100. Of course, the number of the sinking grooves is not limited to a specific number, but is merely illustrative, in other embodiments, the number of the sinking grooves may be two or more than three, the transmission holes are disposed on the protrusions formed between the adjacent sinking grooves, the number of the transmission holes on the bottom wall of the chassis is not limited to two on each side, and the adaptive adjustment may be performed according to the actual situation.
The LED light source assembly comprises a front light source plate 500 and a back light source plate 600, wherein LED lamp beads are arranged on the front light source plate 500 and the back light source plate 600, and preferably, the front light source plate 500 and the back light source plate 600 adopt full-spectrum LED lamp beads, so that the color rendering index of the lamp can reach more than 95, R1-R15 of the lamp are all more than or equal to 90, and the spectrum of sunlight is highly restored.
The front light source plate 500 is mounted on the inner wall surface of the sink 101 along the direction facing the inside of the accommodating cavity 110, and the light of the front light source plate 500 irradiates towards the front direction of the lamp through the diffusion plate 200 in the direction facing the inside of the accommodating cavity 110, so that the sink 101 can limit the front light source plate 500 and also plays a role of a reinforcing rib; the backlight source board 600 is connected to the transmission hole 120 along the direction towards the back of the accommodating cavity 110, and the direction towards the back of the accommodating cavity 110, namely, the direction towards the back of the chassis 100, the LED lamp beads on the backlight source board 600 are exposed in the transmission hole 120, so that the light of the backlight source board 600 irradiates towards the back direction of the lamp, specifically, during installation, the backlight source board 600 abuts against and is fixedly connected to the bottom wall in the accommodating cavity 110 towards the inner wall surface of the bottom wall, and due to the fact that the transmission hole 120 is arranged, the LED lamp beads on the backlight source board 600 can emit light outwards through the transmission hole 120.
The rear light source board 600 is further covered with a lens 130, the lens material can be polycarbonate, acrylic, glass, etc., a connecting hole is provided in the middle of the lens 130, and the connecting piece passes through the connecting hole to fix the lens 130 on the rear light source board 600. The lens 130 and the transmission hole 120 are configured as a projection unit corresponding to the backlight panel 600.
Further, the up-down light pass ratio of the lamp is set to be 25:75.
Since the chassis 100 has two transmission holes 120 on each side of the bottom wall, in order to simplify the installation of the backlight source board 600, the backlight source board 600 is sized to cover the two transmission holes 120 at the same time, and the backlight source board 600 is provided with LED lamp beads in the hole area of each transmission hole 120, so that the installation of the light source boards with two transmission holes can be completed at the same time. It will be appreciated that in other embodiments, a separate light source plate may be mounted for each transmissive aperture.
Further, the groove depth of the sink 101 is equal to the plate thickness of the front light source plate 500, the front light source plate 500 is installed in the sink 101, the LED lamp bead arrangement surface of the front light source plate 500 is flush with the inner surface of the protrusion 102 between two adjacent sinks 101, so that the LED lamp bead arrangement surface on the front light source plate 500 and the LED lamp bead arrangement surface on the rear light source plate 600 are located on the same plane, that is, the rear light source plate 600 is just attached to the front light source plate 500, so that the front light source plate 500 and the rear light source plate 600 are arranged very compactly on the bottom wall of the chassis 100.
Further, the front light source board 500 and the rear light source board 600 are arranged in parallel and controlled by a controller 700 mounted on the back of the chassis 100.
According to the direct type backlight panel lamp, the front side space and the back side space of the lamp are illuminated by arranging the front light source plate 500 and the back light source plate 600 with opposite illumination directions on the bottom wall of the chassis 100, so that the brightness of the whole space is increased, and the problem of visual fatigue can be relieved.
Further, referring to fig. 1 and 2, a plurality of spacers 310 are arranged to cross along the transverse direction and the longitudinal direction to form a grid 300 formed by a plurality of grids, the cross section of the spacers 310 is conical, and the design of the conical structure enables the lamp to be attractive and achieve an anti-dazzle effect; the thickness of the grating 300 of this embodiment is in the range of 10.5 mm-12 mm, the length and width dimensions of each square of the grating are in the range of 21mm×21 mm-23 mm×23mm, the light-emitting angle of the lamp can reach 100 ° ± 5 °, the antiglare UGR value can be in the range of 10-13, the light-emitting surface of the lamp can not be dazzled when the human eyes directly see the lamp, namely, the light-emitting angle of the lamp is ensured, the fatigue stimulus of lamplight to the human eyes is also reduced to a certain extent, and the antiglare effect is good.
In other embodiments, the chassis 100 may also be made of transparent plastic, where the chassis 100 is configured to be convex toward the back at a position corresponding to the backlight source board 600, and the convex portion is a transparent portion, and the transparent chassis 100 can realize the light transmission of the backlight source board 600 toward the back of the chassis 100 without forming a projection hole.
In other embodiments, the bottom wall of the chassis 100 may be directly configured as a flat plate without providing a sink.
In other embodiments, the direct-lit backlight panel lamps may not be provided with the grille 300.
While the preferred embodiments of the present utility model have been illustrated and described, the novel utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these are intended to be included within the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A direct-lit backlight panel lamp, characterized in that: comprises a chassis (100); a diffusion plate (200), wherein the diffusion plate (200) is covered on the chassis (100); the LED light source assembly is installed in the chassis (100), the LED light source assembly comprises a front light source plate (500) and a rear light source plate (600), the front light source plate (500) irradiates towards the front direction of the chassis (100), the rear light source plate (600) irradiates towards the back direction of the chassis (100), and the bottom wall of the chassis (100) is provided with a transmission part corresponding to the rear light source plate (600).
2. A direct lit backlight panel lamp as defined in claim 1 wherein: the transmissive portion includes a transmissive aperture (120) formed in a bottom wall of the chassis (100).
3. The direct-lit backlight panel light of claim 2, wherein: the transmissive portion further includes a lens (130) that is disposed over the transmissive aperture (120).
4. The direct-lit backlight panel light of claim 2, wherein: the inner wall surface of diapire is equipped with several bar heavy groove (101), front-light source board (500) install in heavy inslot (101), adjacent form into protruding (102) between heavy groove (101) of bar, transmission hole (120) are seted up on protruding (102).
5. The direct type backlight panel lamp according to any one of claims 2 to 4, wherein: two transmission holes (120) are respectively arranged on two sides of the bottom wall in the length direction.
6. A direct lit backlight panel lamp as defined in claim 1 wherein: the front light source board (500) and the back light source board (600) are arranged in parallel through circuits and controlled by a controller (700).
7. A direct lit backlight panel lamp as defined in claim 1 wherein: the up-down light-on ratio of the lamp is set to 25:75.
8. A direct lit backlight panel lamp as defined in claim 1 wherein: and a grid (300) is further arranged on the outer side of the diffusion plate (200), and the grid (300) is formed into a grid-shaped structure consisting of a plurality of grids in a crossing mode through a plurality of partition plates (310).
9. The direct-lit backlight panel light of claim 8, wherein: the partition (310) has a tapered shape, and the taper gradually decreases in width from inside to outside.
10. A direct lit backlight panel lamp as defined in claim 1 wherein: the front light source plate (500) and the back light source plate (600) are all full-spectrum LED lamp beads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222917986.1U CN218993233U (en) | 2022-11-02 | 2022-11-02 | Direct type back lighting panel lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222917986.1U CN218993233U (en) | 2022-11-02 | 2022-11-02 | Direct type back lighting panel lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218993233U true CN218993233U (en) | 2023-05-09 |
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ID=86219382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222917986.1U Active CN218993233U (en) | 2022-11-02 | 2022-11-02 | Direct type back lighting panel lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218993233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117412432A (en) * | 2023-11-27 | 2024-01-16 | 惠州市隆和光电有限公司 | Full spectrum LED lamp |
-
2022
- 2022-11-02 CN CN202222917986.1U patent/CN218993233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117412432A (en) * | 2023-11-27 | 2024-01-16 | 惠州市隆和光电有限公司 | Full spectrum LED lamp |
| CN117412432B (en) * | 2023-11-27 | 2024-06-04 | 惠州市隆和光电有限公司 | Full spectrum LED lamp |
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