CN218728552U - High-power projection lamp - Google Patents
High-power projection lamp Download PDFInfo
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- CN218728552U CN218728552U CN202221694134.4U CN202221694134U CN218728552U CN 218728552 U CN218728552 U CN 218728552U CN 202221694134 U CN202221694134 U CN 202221694134U CN 218728552 U CN218728552 U CN 218728552U
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Abstract
The utility model provides a powerful projection lamp, it includes: the LED projection lens comprises an LED light source component, a convex lens component, an imaging lens component and a projection lens component, wherein light emitted by the LED light source component sequentially penetrates through the convex lens component, the imaging lens component and the projection lens component to be emitted to the outside; the projection lens assembly comprises a positive meniscus lens, an aspheric plastic lens, a tri-cemented lens, a positive lens, a first negative meniscus lens and a second negative meniscus lens which are sequentially arranged from an image source side to an image side along an optical axis, and the lens assembly enables the projection range of the high-power projection lamp to be enlarged and the definition of a projected image to be improved. The beneficial effects of the utility model are that: through improving the projection lens subassembly to remove the restriction that restriction tradition projection lamp power is less, make the utility model discloses a power of LED light source subassembly obtains promoting, further makes the scope of throwing light of powerful projection lamp increase, and the definition of projecting image improves.
Description
Technical Field
The utility model belongs to the technical field of the projection lamp, in particular to powerful projection lamp.
Background
The projection lamp generally includes light source subassembly, formation of image film subassembly, and projection lens subassembly, and in operation, after the light source subassembly is luminous, the light that the light source subassembly sent passes formation of image film subassembly and projection lens subassembly in proper order and jets out to the external world, can throw away the pattern information on the formation of image film subassembly, and the pattern information can be characters, pattern etc..
However, the projection lens assembly of the conventional projection lamp is a simple light-transmitting acrylic lens or a light-transmitting glass lens, which is suitable for a low-power projection lamp, and when the power of the projection lamp is desired to be increased, the lens is broken due to heating; moreover, the adoption of the lens also causes the problems of small projection range and unclear projected image, and the problems need to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a powerful projecting lamp is through improving the projecting lens subassembly to remove the restriction that traditional projecting lamp power is more little, make the utility model discloses a power of LED light source subassembly obtains promoting, further makes the scope of throwing light of powerful projecting lamp increase, and the definition of projecting image improves.
In order to solve the technical problem, the utility model provides a following technical scheme:
a high power projection lamp comprising: the LED projection lens comprises an LED light source component, a convex lens component, an imaging lens component and a projection lens component, wherein light emitted by the LED light source component sequentially penetrates through the convex lens component, the imaging lens component and the projection lens component to be emitted to the outside; the projection lens assembly comprises a positive meniscus lens, an aspheric plastic lens, a tri-cemented lens, a positive lens, a first negative meniscus lens and a second negative meniscus lens which are sequentially arranged from an image source side to an imaging side along an optical axis, and the projection lens assembly enables the projection range of the high-power projection lamp to be large and the definition of a projected image to be high.
As a preferable aspect of the high power projection lamp, the high power projection lamp further includes: the projection lamp barrel comprises a projection lamp barrel body, and the LED light source assembly, the convex lens assembly, the imaging lens assembly and the projection lens assembly are sequentially arranged at the bottom of the projection lamp barrel body and at the opening of the projection lamp barrel body.
As a preferable scheme of the high-power projection lamp, the projection lens assembly is detachably mounted at an opening of the projection lamp barrel through threads.
As a preferred aspect of the high power projection lamp, the imaging lens assembly includes: the imaging lens, the driving gear ring and the driving motor are arranged on the imaging lens; the imaging lens is arranged in the middle of the driving gear ring; the driving motor is installed outside the projection lamp tube, a rotating shaft of the driving motor extends into the projection lamp tube, driving bevel gears are arranged at the end portions of the rotating shaft, and the driving bevel gears are in driving engagement with the driving gear ring.
As a preferable aspect of the high power projection lamp, the convex lens assembly includes: first convex lens and second convex lens, first convex lens with the bulge of second convex lens all sets up towards the light-emitting direction, first convex lens with the plane direction orientation of second convex lens the LED light source subassembly sets up.
As a preferable aspect of the high power projection lamp, the LED light source assembly includes: the LED light source reflector is arranged at the bottom in the projection lamp tube, and the LED light source is arranged at the bottom in the LED light source reflector.
As a preferable aspect of the high power projection lamp, the high power projection lamp further includes: the radiator is arranged on the outer side of the bottom of the projection lamp tube, and the radiator is arranged on the LED light source reflection part.
As a preferable aspect of the high power projection lamp, the high power projection lamp further includes: a heat dissipation fan mounted to the heat sink.
As a preferable aspect of the high power projection lamp, the high power projection lamp further includes: and the mounting bracket is hinged with the projection lamp barrel pivot.
As a preferable aspect of the high power projection lamp, the LED light source module further includes: the LED drive is installed in the mounting bracket and is connected with the LED light source through a power line.
The utility model has the advantages that:
the utility model discloses in provide a powerful projecting lamp, it includes: the LED light source assembly, the convex lens assembly, the imaging lens assembly and the projection lens assembly are sequentially penetrated by light emitted by the LED light source assembly, and the light is emitted to the outside through the convex lens assembly, the imaging lens assembly and the projection lens assembly; adopt above-mentioned scheme for the precision of projection lens subassembly is further promoted, thereby can bear more powerful LED light source subassembly, and adopts the utility model discloses a behind the projection lens subassembly for the power that the projection lens subassembly can bear the LED light source subassembly is 50-60 watts, and then improves through to the projection lens subassembly, thereby removes the restriction that restriction traditional projection lamp power ratio is less, makes the utility model discloses a power of LED light source subassembly is promoted, further makes the scope of throwing light of powerful projection lamp increase, and the definition of projection image improves.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts, and all belong to the protection scope of the present invention, wherein:
fig. 1 is a schematic structural diagram of a high power projection lamp provided by the present invention;
FIG. 2 is a cross-sectional view of the high power projection lamp shown in FIG. 1;
FIG. 3 is an exploded schematic view of the high power projection lamp of FIG. 1;
FIG. 4 is a schematic diagram of an LED light source module of the high power projection lamp of FIG. 3;
FIG. 5 is a schematic diagram of the construction of the convex lens assembly of the high power projection lamp shown in FIG. 3;
FIG. 6 is a schematic view of the imaging lens assembly of the high power projection lamp of FIG. 3;
fig. 7 is a sectional view of a projection lens assembly of the high power projection lamp shown in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. It should be noted that, in the case of no conflict, various features in the embodiments of the present invention may be combined with each other, and the combined embodiments are still within the scope of the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The projection lamp generally includes light source subassembly, formation of image film subassembly, and projection lens subassembly, and in operation, after the light source subassembly is luminous, the light that the light source subassembly sent passes formation of image film subassembly and projection lens subassembly in proper order and jets out to the external world, can throw away the pattern information on the formation of image film subassembly, and the pattern information can be characters, pattern etc..
However, the projection lens assembly of the conventional projection lamp is a simple light-transmitting acrylic lens or a light-transmitting glass lens, which is suitable for a low-power projection lamp, and when the power of the projection lamp is desired to be increased, the lens is broken due to heating; moreover, the adoption of the lens also causes the problems of small projection range and unclear projected images, and the problems need to be solved by the technical personnel in the field.
In the present invention, as shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a high power projection lamp, which includes: the LED projection lens comprises an LED light source assembly 10, a convex lens assembly 20, an imaging lens assembly 30 and a projection lens assembly 40, wherein light emitted by the LED light source assembly 10 passes through the convex lens assembly 20, the imaging lens assembly 30 and the projection lens assembly 40 and is emitted outwards;
the projection lens assembly 40 includes a positive meniscus lens 41, an aspheric plastic lens 42, a tri-cemented lens 43, a positive lens 44, a first negative meniscus lens 45, and a second negative meniscus lens 46, which are arranged in sequence from an image source side to an image side along an optical axis, and the projection lens assembly 40 enlarges a light projection range of the high-power projection lamp and increases the definition of a projected image.
In the present invention, the positive meniscus lens 41 can reduce spherical aberration and focal length, the aspheric plastic lens 42 serves to increase the viewing angle of the projection lens assembly 40 and solve the aberration problems such as spherical aberration, distortion and astigmatism, the triple cemented lens 43 can reduce the length of the projection lens and eliminate chromatic aberration, the positive lens 44 is used for focusing, the first negative meniscus lens 45 is used for reducing spherical aberration, the second negative meniscus lens 46 is used for reducing spherical aberration, and the projection lens assembly 40 increases the light projection range of the high-power projection lamp and improves the resolution of the projected image; adopt above-mentioned scheme, make the precision of projection lens subassembly 40 is further promoted to can bear more powerful LED light source subassembly 10, and adopt the utility model discloses a behind the projection lens subassembly 40, make the power that projection lens subassembly 40 can bear LED light source subassembly 10 is 50-60 watts, and then improves through to projection lens subassembly 40 to remove the restriction that restriction tradition projection lamp power is littleer, make the utility model discloses a power of LED light source subassembly 10 is promoted, further makes the scope of throwing light of powerful projection lamp increase, and the definition of projecting image improves.
As shown in fig. 4, 5, 6 and 7, in order to mount the LED light source assembly 10, the convex lens assembly 20, the imaging lens assembly 30 and the projection lens assembly 40, the high power projection lamp further includes: the projection lamp barrel 50, the LED light source assembly 10, the convex lens assembly 20, the imaging lens assembly and the projection lens assembly 40 are sequentially arranged from the bottom of the groove in the projection lamp barrel 50 to the opening of the projection lamp barrel 50, specifically, the projection lens assembly 40 is detachably mounted to the opening of the projector lamp barrel 50 through a screw thread.
To mount the imaging lens assembly 30, the imaging lens assembly 30 includes: the projection lamp comprises an imaging lens 31, a driving gear ring 32 and a driving motor 33, wherein the imaging lens 31 is installed in the middle of the driving gear ring 32, the driving motor 33 is installed outside the projection lamp barrel 50, a rotating shaft 331 of the driving motor 33 extends into the projection lamp barrel 50, a driving bevel gear 332 is arranged at the end of the rotating shaft 331, the driving bevel gear 332 is in driving engagement with the driving gear ring 32, and the driving motor 33 drives the imaging lens 31 to rotate, so that a projected image can show a static state and a moving state.
In order to convert the light emitted from the LED light source assembly 10 into parallel light, the convex lens assembly 20 includes: first convex lens 21 and second convex lens 22, first convex lens 21 with the bulge of second convex lens 22 all sets up towards the light-emitting direction, first convex lens 21 with the plane direction orientation of second convex lens 22 LED light source subassembly 10 sets up, and then first convex lens 21 with second convex lens 22 mutually supports and is used for making the light that the pointolite of LED light source subassembly 10 sent turns into the parallel light.
To mount the LED light source assembly 10, the LED light source assembly 10 includes: the LED light source reflector 12 is arranged at the bottom in the projection lamp tube 50, the LED light source 11 is arranged at the bottom in the LED light source reflector 12, and the LED light source reflector 12 is used for improving the utilization efficiency of the LED light source 11.
Since the power of the LED light source 11 is between 50 and 60 watts, the high power projection lamp further includes: the radiator 60 is installed at the outer side of the bottom of the projector lamp barrel 50, the radiator 60 is installed on the LED light source reflector 12, and the radiator 60 radiates heat for the LED light source 11; in order to further enhance the heat dissipation capability, the high power projection lamp further comprises: the heat dissipation fan 70 is mounted on the heat sink 60, so as to further improve the active heat dissipation capability of the heat sink 60.
In order to install the high power projection lamp, the high power projection lamp further comprises: the mounting bracket 80 is pivotally hinged to the projector lamp barrel 50, so that the mounting bracket 80 can be used for mounting the high-power projection lamp, and the mounting bracket 80 can also be used for adjusting the angle of the high-power projection lamp.
In order to make LED light source 11 work normally, LED light source assembly 10 further includes: and the LED driver 90 is arranged in the mounting bracket 80, and the LED driver 90 is electrically connected with the LED light source 11 through a power line so as to supply power to the LED light source 11.
The present invention has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments described. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (10)
1. A high power projection lamp, comprising: the LED light source assembly comprises an LED light source assembly, a convex lens assembly, an imaging lens assembly and a projection lens assembly, wherein light emitted by the LED light source assembly sequentially passes through the convex lens assembly, the imaging lens assembly and the projection lens assembly and is emitted to the outside;
the projection lens assembly comprises a positive meniscus lens, an aspheric plastic lens, a tri-cemented lens, a positive lens, a first negative meniscus lens and a second negative meniscus lens which are sequentially arranged from an image source side to an imaging side along an optical axis, and the projection lens assembly enables the projection range of the high-power projection lamp to be enlarged and the definition of a projected image to be improved.
2. High power projection lamp as claimed in claim 1, characterized in that it further comprises: the projection lamp barrel comprises a projection lamp barrel body, and the LED light source assembly, the convex lens assembly, the imaging lens assembly and the projection lens assembly are sequentially arranged at the bottom of the projection lamp barrel body and at the opening of the projection lamp barrel body.
3. The high power projection lamp of claim 2, wherein the projection lens assembly is threadably removably mounted to the opening of the projector lamp barrel.
4. The high power projection lamp of claim 2 wherein said imaging lens assembly comprises: the imaging lens, the driving gear ring and the driving motor are arranged on the imaging lens;
the imaging lens is arranged in the middle of the driving gear ring;
the driving motor is installed outside the projection lamp tube, a rotating shaft of the driving motor extends into the projection lamp tube, driving bevel gears are arranged at the end portions of the rotating shaft, and the driving bevel gears are in driving engagement with the driving gear ring.
5. The high power projection lamp of claim 1, wherein the convex lens assembly comprises: first convex lens and second convex lens, first convex lens with the bulge of second convex lens all sets up towards the light-emitting direction, first convex lens with the plane direction orientation of second convex lens the LED light source subassembly sets up.
6. The high power projection lamp of claim 2, wherein the LED light source assembly comprises: the LED light source reflector is arranged at the bottom in the projection lamp tube, and the LED light source is arranged at the bottom in the LED light source reflector.
7. The high power projection lamp as set forth in claim 6, further comprising: the radiator is arranged on the outer side of the bottom of the projection lamp tube, and the radiator is arranged on the LED light source reflection part.
8. The high power projection lamp as set forth in claim 7, further comprising: a heat dissipation fan mounted to the heat sink.
9. The high power projection lamp of claim 8, further comprising: and the mounting bracket is hinged with the projection lamp barrel pivot.
10. The high power projection lamp of claim 9, wherein the LED light source assembly further comprises: the LED drive is installed in the mounting bracket and is connected with the LED light source through a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221694134.4U CN218728552U (en) | 2022-07-02 | 2022-07-02 | High-power projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221694134.4U CN218728552U (en) | 2022-07-02 | 2022-07-02 | High-power projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218728552U true CN218728552U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221694134.4U Active CN218728552U (en) | 2022-07-02 | 2022-07-02 | High-power projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218728552U (en) |
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2022
- 2022-07-02 CN CN202221694134.4U patent/CN218728552U/en active Active
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