CN220355202U - High-luminous-efficiency projection lamp - Google Patents
High-luminous-efficiency projection lamp Download PDFInfo
- Publication number
- CN220355202U CN220355202U CN202322042262.1U CN202322042262U CN220355202U CN 220355202 U CN220355202 U CN 220355202U CN 202322042262 U CN202322042262 U CN 202322042262U CN 220355202 U CN220355202 U CN 220355202U
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- light
- lens
- main body
- shell
- lens main
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- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000005945 translocation Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The utility model provides a high-light-efficiency projection lamp, which comprises a base and a light source arranged in the base, wherein the light source comprises a lamp panel and a plurality of LED chips distributed on the lamp panel; a lens component is covered on each LED chip; the lens assembly includes a lens body, a housing, and a cover; the bottom of the lens main body is provided with an LED accommodating cavity, and the LED chip is covered in the LED accommodating cavity; the shell is provided with a lens accommodating cavity, and the lens main body is arranged in the lens accommodating cavity; the cover body covers the upper cavity opening of the shell and abuts against the lens main body. The lens main body is accommodated in the shell, and covers the upper cavity opening of the shell through the shell, so that the lens main body is not easy to scratch by other parts and the stability of the optical effect is ensured; and the light of the LED chip is refracted by the lens main body and emitted from the light emitting part at the top of the lens main body, so that the light is concentrated and the projection effect is good.
Description
Technical Field
The utility model relates to a high-light-efficiency projection lamp.
Background
The existing projector, such as the projector disclosed in Chinese patent No. 206409992U, is provided with a plurality of LED lamp beads on an LED aluminum substrate arranged in a shell main body, and each LED lamp bead is covered with a lens. However, the bare lens is prone to scratching during the installation of other parts of the projector to affect the optical effect.
Disclosure of Invention
The utility model aims to provide a high-light-efficiency projection lamp which comprises a base and a light source arranged in the base, wherein the light source comprises a lamp panel and a plurality of LED chips distributed on the lamp panel; a lens component is covered on each LED chip; the lens assembly includes a lens body, a housing, and a cover; the bottom of the lens main body is provided with an LED accommodating cavity, the LED accommodating cavity comprises a light inlet, and the LED chip is covered in the LED accommodating cavity through the light inlet; the top of the lens main body is provided with a light outlet part opposite to the light inlet; the shell is provided with a lens accommodating cavity, and the lens accommodating cavity comprises a lower cavity opening and an upper cavity opening which are opposite to each other; the lens main body is arranged in the lens accommodating cavity, and the light inlet is nested in the lower cavity opening; the cover body is covered on the upper cavity opening of the shell and is abutted against the lens main body, and the cover body is provided with a light outlet which is opposite to the light outlet part of the lens main body.
The lens main body is accommodated in the shell, and covers the upper cavity opening of the shell through the shell, so that the lens main body is not easy to scratch by other parts and the stability of the optical effect is ensured; and the light of the LED chip is refracted by the lens main body and emitted from the light emitting part at the top of the lens main body, so that the light is concentrated and the projection effect is good.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the structure of the present utility model.
Fig. 3 is an exploded view of the lens assembly and light source of the present utility model.
Fig. 4 is a cross-sectional view of a lens assembly and a light source according to the present utility model.
Fig. 5-7 are schematic views of different angles of the lens assembly according to the present utility model.
Fig. 8 and 9 are exploded views of the structure of the lens assembly of the present utility model.
Fig. 10 is an enlarged view of a portion a in fig. 9.
Fig. 11 is a schematic structural view of a lens body according to the present utility model.
Fig. 12 is a cross-sectional view of a lens body of the present utility model.
Fig. 13 is a cross-sectional view of the cap of the present utility model.
Detailed Description
The present application is further described with reference to the following drawings:
referring to fig. 1-13, a high-light-efficiency projection lamp comprises a base 1 and a light source 2 arranged in the base 1, wherein the light source 2 comprises a lamp panel 21 and a plurality of LED chips 22 distributed on the lamp panel 21; each LED chip 22 is covered with a lens assembly 3.
The lens assembly 3 includes a lens body 31, a housing 32, and a cover 33.
The bottom of the lens main body 31 is provided with an LED accommodating cavity 311, the LED accommodating cavity 311 comprises an inlet 3111, and the LED chip 22 is covered in the LED accommodating cavity 311 through the inlet 3111; the lens body 31 has a light-emitting portion at the top thereof, which is opposite to the inlet 3111.
The housing 32 is provided with a lens accommodating cavity 321, and the lens accommodating cavity 321 comprises a lower cavity port 3211 and an upper cavity port 3212 which are opposite; the lens body 31 is mounted within the lens receiving cavity 321 and the inlet 3111 is nested within the lower cavity port 3211.
The cover 33 covers the upper cavity opening 3212 of the housing 32 and abuts against the lens main body 31, and the cover 33 is provided with a light outlet 331 facing the light outlet of the lens main body 31 for emitting the light refracted by the lens main body 31.
The lens main body 31 of the technical scheme is accommodated in the shell 32, and the upper cavity opening 3212 of the shell 32 is covered by the shell 32, so that the lens main body 31 is not easily scratched by other parts under the protection of the shell 32 and the cover 33, and the stability of the optical effect is ensured; and the light of the LED chip 22 is refracted by the lens main body 31 and emitted from the light emitting part at the top of the lens main body, so that the light is concentrated and the projection effect is good.
In this embodiment, the LED chips 22 are arranged in a matrix arrangement at intervals on the lamp panel 21.
A first fastening structure is arranged between the shell 32 and the lens main body 31; the first fastening structure includes a first fastening protrusion 322 disposed on the housing 32 and a first hanging portion 312 disposed on the lens body 31; the first fastening protrusion 322 is hooked on the first hooking portion 312; the first fastening protrusion 322 is arranged on the inner cavity wall of the lens accommodating cavity 321; the first hanging portion 312 is disposed in a lens groove at the top edge of the lens main body 31. The first fastening protrusion 322 is hooked in the lens groove, and limited in rotation by the groove wall of the lens groove. The housing 32 is connected with the lens body 31 through a first fastening structure, so that the installation is facilitated.
A positioning structure is arranged between the shell 32 and the lens main body 31; the positioning structure comprises a positioning convex part 313 arranged on the lens main body 31 and a positioning groove 323 arranged on the shell 32, wherein the positioning convex part 313 falls into the positioning groove 323. The positioning structure further fixes the relative positions of the lens body 31 and the housing 32, prevents the uneven light effect of each lens body 31 caused by the translocation of the lens body 31, and prevents the translocation of the lens body 31 from scratching.
A second fastening structure is arranged between the shell 32 and the cover 33; the second fastening structure includes a second fastening protrusion 324 provided on the housing 32 and a second hanging portion 333 provided on the cover 33; the second fastening protrusion 324 is hooked on the second hooking portion 333; the second fastening protrusion 324 is disposed on the outer wall of the housing 32; the second hanging part 333 is disposed in the cover recess at the top edge of the cover 33. The second fastening protrusion 324 is hooked in the cover groove, and limited in rotation by the groove wall of the lens groove. The shell 32 is connected with the cover 33 through a second fastening structure, so that the installation is convenient.
Pins 325 are provided at the bottom of each housing 32; the lamp panel 21 is provided with insertion holes 211, and the pins 325 are inserted into the corresponding insertion holes 211. The lens assembly 3 is inserted and fixed with the lamp panel 21 through the pins 325 of the shell 32, so that the installation, the disassembly and the replacement are convenient.
The lower end of the lens body 31 is smaller than the upper end thereof and has a horn shape.
The LED housing cavity 311 further includes a light incident surface 3112 opposite to the LED chip 22; the light incident surface 3112 is in a downward convex arc shape.
The light-emitting parts include a first light-emitting part 314, a second light-emitting part 315, and a third light-emitting part 316.
The center of the top of the lens body 31 is provided with a concave cavity 3141, the first light emitting portion 314 is provided with a concave cavity 3141, and the first light emitting portion 314 is in an upward convex arc shape.
The second light emitting portion 315 is disposed at the periphery of the cavity 3141, and the second light emitting portion 315 includes a plurality of second light emitting units 3151, where each second light emitting unit 3151 is arranged in a matrix, and each second light emitting unit is a hemispherical protrusion, i.e. a spherical mirror.
The third light-emitting portion 316 includes a plurality of third light-emitting units 3161, where the third light-emitting units 3161 are arranged in parallel, and each third light-emitting unit 3161 is a columnar protrusion, i.e., a cylindrical mirror.
The light source 2 of the technical scheme can refract bright light effect through the lens cooperation with various light-emitting structures.
In this embodiment, the first light emitting portion 314, the second light emitting portion 315 and the third light emitting portion 316 are concentrically distributed.
The lower cavity mouth 3211 is provided with an inwardly extending ledge 3213, and the lower end of the lens body 31 abuts the ledge 3213.
A plurality of parallel light shielding strips 332 are arranged in the light outlet 331 at intervals; the shading strip 332 is arranged to shade part of the direct light to prevent glare.
The light shielding strip 332 is disposed obliquely from inside to outside and has a light guiding surface 3321 inclined toward the lens body 31. The light guide surface 3321 forms a protection angle α with the light direct surface (vertical plane) to prevent the light source 2 from causing glare under normal horizontal viewing conditions. In this embodiment, the protection angle α is 10 ° -15 °.
The cover body 33 is provided with an orientation mark, so that the position orientation of each lens assembly 3 is unified when the lens assemblies 3 are installed, and the uniformity of light efficiency is ensured.
In this embodiment, the high-efficiency projector further includes a light-transmitting panel 4 and a frame 5. The base 1 is provided with a light source accommodating groove, the light source 2 is arranged in the light source accommodating groove, the light-transmitting panel 4 covers the notch of the light source accommodating groove, and the frame 5 is arranged at the edge of the light source 2 accommodating groove; the edge of the light-transmitting panel 4 is sandwiched between the base 1 and the bezel 5.
The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present application, and all such technical deductions, substitutions, improvements and the like which are made on the basis of the embodiments of the present application, are considered to be within the scope of protection of the present patent.
Claims (9)
1. The high-light-efficiency projection lamp comprises a base and a light source arranged in the base, wherein the light source comprises a lamp panel and a plurality of LED chips distributed on the lamp panel; a lens component is covered on each LED chip; the method is characterized in that:
the lens assembly includes a lens body, a housing, and a cover;
the bottom of the lens main body is provided with an LED accommodating cavity, the LED accommodating cavity comprises a light inlet, and the LED chip is covered in the LED accommodating cavity through the light inlet; the top of the lens main body is provided with a light outlet part opposite to the light inlet;
the shell is provided with a lens accommodating cavity, and the lens accommodating cavity comprises a lower cavity opening and an upper cavity opening which are opposite to each other; the lens main body is arranged in the lens accommodating cavity, and the light inlet is nested in the lower cavity opening;
the cover body is covered on the upper cavity opening of the shell and is abutted against the lens main body, and the cover body is provided with a light outlet which is opposite to the light outlet part of the lens main body.
2. The high-efficiency projector of claim 1, wherein:
a first fastening structure is arranged between the shell and the lens main body;
the first buckling structure comprises a first buckling protrusion arranged on the shell and a first hanging part arranged on the lens main body; the first buckling protrusion is hooked on the first hanging part;
the first clamping protrusion is arranged on the inner cavity wall of the lens accommodating cavity; the first hanging part is arranged in the lens groove at the top edge of the lens main body.
3. The high-efficiency projector of claim 2, wherein:
a positioning structure is arranged between the shell and the lens main body;
the positioning structure comprises a positioning convex part arranged on the lens main body and a positioning groove arranged on the shell, and the positioning convex part falls into the positioning groove.
4. The high-efficiency projector of claim 1, wherein:
a second fastening structure is arranged between the shell and the cover body;
the second fastening structure comprises a second fastening protrusion arranged on the shell and a second hanging part arranged on the cover body; the second buckling protrusion is hooked on the second hanging part;
the second buckling bulge is arranged on the outer wall of the shell; the second hanging part is arranged in the cover body groove at the top edge of the cover body.
5. The high-efficiency projector of claim 1, wherein:
the bottom of each shell is provided with a pin; the lamp panel is provided with jacks, and the pins are inserted into the corresponding jacks.
6. The high-efficiency projector of claim 1, wherein:
the LED accommodating cavity further comprises a light incident surface opposite to the LED chip; the light incident surface is in a downward convex arc shape;
the light emergent part comprises a first light emergent part, a second light emergent part and a third light emergent part;
the center of the top of the lens main body is provided with a concave cavity, the first light emergent part is arranged in the concave cavity, and the first light emergent part is in an upward convex arc shape;
the second light-emitting part is arranged on the periphery of the concave cavity and comprises a plurality of second light-emitting units, and each second light-emitting unit is hemispherical convex;
the third light-emitting part comprises a plurality of third light-emitting units, and each third light-emitting unit is in a columnar bulge.
7. The high-efficiency projector of claim 1, wherein:
the lower cavity opening is provided with a convex edge extending inwards, and the lower end of the lens main body is abutted against the convex edge.
8. The high-efficiency projector of claim 1, wherein:
a plurality of parallel shading strips are arranged in the light outlet and are distributed at intervals;
the shading strip is obliquely arranged from inside to outside and is provided with a light guide surface obliquely facing the lens main body.
9. The high-efficiency projector of claim 6, wherein:
the cover body is provided with an orientation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042262.1U CN220355202U (en) | 2023-08-01 | 2023-08-01 | High-luminous-efficiency projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042262.1U CN220355202U (en) | 2023-08-01 | 2023-08-01 | High-luminous-efficiency projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220355202U true CN220355202U (en) | 2024-01-16 |
Family
ID=89477575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322042262.1U Active CN220355202U (en) | 2023-08-01 | 2023-08-01 | High-luminous-efficiency projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220355202U (en) |
-
2023
- 2023-08-01 CN CN202322042262.1U patent/CN220355202U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |