Projection lamp with outer lampshade

By setting an outer lampshade in the projection lamp and using the mirror to reflect the pattern, the rainwater intrusion problem of LED projection lamps when used outdoors is solved, the service life is improved and the decorative effect is provided, and the application scenarios are enriched.

CN223272772UActive Publication Date: 2025-08-26DONGGUAN STANDARD ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422230541.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-08-26
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

Existing LED projectors are susceptible to rainwater when used outdoors, resulting in a shortened service life.

Method used

An outer lamp cover is provided in the projection lamp, including a projection device and a reflector, and the projection pattern is reflected on the wall of the outer lamp cover with a reflector, while the position of the projection device and the reflector is adjusted through a telescopic rod and a universal joint to ensure alignment and fit.

Benefits of technology

Effectively protect the projection device and reflector, prevent rainwater from intrusion, improve service life, and provide decorative effects, making application scenarios richer.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223272772U_ABST
    Figure CN223272772U_ABST
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Abstract

The utility model discloses a projection lamp with an outer lampshade. The projection lamp comprises a base, the outer lampshade, a projection device and a reflector, wherein the outer lampshade is arranged on the base and is semi-transparent; the projection device and the reflector are respectively arranged in the outer lampshade and are matched with each other; the projection device comprises an LED lamp, a projection sheet and an imaging lens which are sequentially distributed forwards; the reflector and the projection device are oppositely arranged, and the reflector can be used for reflecting a projection pattern projected by the projection device to the wall face of the outer lampshade so that a corresponding pattern can be formed on the outer surface of the outer lampshade. According to the projection lamp, the projection device, the reflecting mirror and the like can be well protected through the outer lampshade, so that even if the projection lamp is used outdoors, the projection device is not prone to being invaded by rainwater and the like, the projection device is not prone to being damaged, and the service life of the projection lamp is prolonged. In addition, the outer lampshade is used as a projection surface, so that the application scenes of the LED projection lamp are very rich.
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Description

Technical Field

[0001] The utility model relates to the technical field of projection lamps, in particular to a projection lamp with an outer lampshade. Background Art

[0002] Existing projection lamps generally use LED lamps as light sources. The light source is focused and brightened by a focusing lens and then illuminated onto a slide with text or patterns, which is then magnified by an imaging lens and projected into an image.

[0003] For this type of projection lamp, application publication number CN107883271A discloses an LED projection lamp, which specifically discloses a lamp housing with an inner cavity, in which an LED lamp, a pattern piece and an optical path conversion component are arranged from the inside to the outside. The optical path conversion component is a right-angled trapezoidal prism or a right-angled prism, and the side surface of the right-angled trapezoidal prism where the right-angled waist is located is arranged opposite to the pattern piece, and the side surface of one of the right-angled sides of the right-angled prism where the right-angled side is located is arranged opposite to the pattern piece.

[0004] However, the above-mentioned LED projection lamp still has some disadvantages. For example, although the LED projection lamp is provided with a lamp housing, if the LED projection lamp is used outdoors as a whole, it is easily invaded by rain and the like, and thus is more likely to be damaged, thereby reducing the service life of the LED projection lamp.

[0005] Therefore, there is a need to improve the existing technology. Utility Model Content

[0006] In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a projection lamp with an outer lampshade, in which a projection device and a reflector are arranged inside the outer lampshade, so that the outer lampshade can be used to well protect the projection device and the reflector, etc., so that even if the projection lamp is used outdoors, the projection device is not easily disturbed by rain and the like, that is, it is not easily damaged.

[0007] In order to achieve the above purpose, the technical solution of the utility model is:

[0008] A projection lamp with an outer lampshade includes a base, a translucent outer lampshade mounted on the base, and a projection device and a reflector mounted within the outer lampshade and cooperating with each other. The projection device includes an LED lamp, a projection sheet, and an imaging lens arranged in sequence forward. The reflector is disposed opposite the projection device and is configured to reflect a projection pattern projected by the projection device onto the wall surface of the outer lampshade, thereby forming a corresponding pattern on the outer surface of the outer lampshade. The outer lampshade can effectively protect the projection device and the reflector.

[0009] The additional structure of the above technical solution also includes the following solutions:

[0010] Furthermore, the projection device further includes a housing with an inner cavity; the LED lamp, the projection sheet, and the imaging lens are sequentially installed in the inner cavity of the housing. This arrangement facilitates the positioning of the LED lamp, the projection sheet, and the imaging lens.

[0011] Furthermore, a cover is provided at the front end of the inner cavity, thereby facilitating the use of the projection device.

[0012] Furthermore, a first telescopic rod is included; two ends of the first telescopic rod are respectively connected to the housing and the base, so that the overall height of the projection device can be easily adjusted to facilitate alignment with the reflector.

[0013] Furthermore, a first universal joint is provided between the first telescopic rod and the housing, so that the angle of the projection device can be adjusted in multiple directions to facilitate alignment with the reflector.

[0014] Furthermore, the shell includes a front shell and a rear shell that are detachably connected, so that disassembly and assembly are convenient; the LED light and the slide are installed in the rear shell in sequence, and the slide is detachably arranged, so that slides with different patterns can be easily replaced; the imaging lens is installed in the front shell.

[0015] Furthermore, a second telescopic rod is included; both ends of the second telescopic rod are respectively connected to the reflector and the base, so that the overall height of the reflector can be easily adjusted to facilitate alignment with the projection device.

[0016] Furthermore, a second universal joint is provided between the second telescopic rod and the reflector, so that the angle of the reflector can be adjusted in multiple directions to facilitate alignment with the projection device.

[0017] Furthermore, it also includes a controller for controlling the projection device to be turned on or off; the controller is located outside the outer lampshade.

[0018] Furthermore, the decorative shape of the outer lampshade is regular or irregular.

[0019] The beneficial effects of the utility model are:

[0020] The utility model installs a projection device and a reflector in an outer lampshade, and utilizes the reflector to reflect a projection pattern projected by the projection device onto the wall surface of the outer lampshade. Thus, a corresponding pattern can be formed on the outer surface of the outer lampshade, creating a good decorative effect for people to intuitively view. At the same time, due to the arrangement of the base and the outer lampshade, the projection device and the reflector are well protected. Thus, even when the projection lamp is used outdoors, the projection device is not easily damaged by rain or the like, thereby extending its service life and enhancing its practicality.

[0021] In addition, since the present invention adopts the outer lampshade as the projection surface, it solves the problem that the prior art still requires a curtain, a flat ground or a wall as the projection surface, making the application scenarios of the present invention richer. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of the utility model Figure 1 ;

[0024] Figure 3 This is a schematic diagram of the internal structure of the utility model Figure 2 ;

[0025] Figure 4 It is a longitudinal cross-sectional view of the present utility model;

[0026] Figure 5 It is a structural schematic diagram of the projection device of the present utility model;

[0027] Figure 6 yes Figure 5 Cross-section along AA.

[0028] Reference numerals:

[0029] 1. Base; 2. Outer lampshade; 3. Projection device; 31. LED lamp; 32. Slide; 33. Imaging lens; 34. Outer shell; 341. Front shell; 342. Rear shell; 35. Cover; 36. First telescopic rod; 37. First universal joint; 4. Reflector; 5. Second telescopic rod; 6. Second universal joint. DETAILED DESCRIPTION

[0030] The utility model will be further described below with reference to the accompanying drawings and specific embodiments. The following description is merely illustrative and does not limit the scope of protection of the utility model.

[0031] like Figures 1-6As shown, a projection lamp with an outer lampshade includes a base 1, a semi-transparent outer lampshade 2 installed on the base 1, and a projection device 3 and a reflector 4 respectively installed in the outer lampshade 2 and cooperating with each other.

[0032] like Figure 6 As shown, the projection device 3 includes an LED lamp 31, a projection film 32 and an imaging lens 33 distributed in sequence forward; the reflector 4 is arranged opposite to the projection device 3, and the reflector 4 can be used to reflect the projection pattern projected by the projection device 3 on the wall surface of the outer lampshade 2, so as to form a corresponding pattern on the outer surface of the outer lampshade 2.

[0033] Therefore, the present invention installs the projection device 3 and the reflector 4 in the outer lampshade 2, and utilizes the reflector 4 to reflect the projection pattern projected by the projection device 3 onto the wall surface of the outer lampshade 2. In this way, a corresponding pattern can be formed on the outer surface of the outer lampshade 2, creating a good decorative effect for people to intuitively view. At the same time, due to the arrangement of the base 1 and the outer lampshade 2, the projection device 3 and the reflector 4 are well protected. Therefore, even when the projection lamp is used outdoors, the projection device 3 is not easily damaged by rain or the like, thereby extending its service life and enhancing its practicality.

[0034] Since the imaging lens 33 is a prior art, its structure and principle are not described in detail in this article.

[0035] like Figure 6 As shown, preferably, the projection device 3 also includes a shell 34 with an inner cavity; the LED lamp 31, the projection film 32 and the imaging lens 33 are installed in the inner cavity of the shell 34 in sequence, so that the LED lamp 31, the projection film 32 and the imaging lens 33 can be conveniently positioned.

[0036] like Figure 6 As shown, preferably, a cover 35 is provided at the front end of the inner cavity, so that the front end of the projection device 3 can be sealed when it is not installed in the outer lampshade 2, so as to provide a certain protection for the imaging lens 33. After the installation is completed, the cover 35 can be removed for use.

[0037] like Figures 1-4 As shown, preferably, a first telescopic rod 36 is further included; the two ends of the first telescopic rod 36 are respectively connected to the housing 34 and the base 1. Therefore, the arrangement of the first telescopic rod 36 can facilitate the adjustment of the overall height of the projection device 3 to facilitate its alignment with the reflector 4.

[0038] like Figures 1-4As shown, preferably, a first universal joint 37 is further provided between the first telescopic rod 36 and the housing 34 , so that the angle of the projection device 3 can be adjusted in multiple directions to facilitate alignment with the reflector 4 .

[0039] like Figures 1-6 As shown, the housing 34 preferably includes a detachably connected front housing 341 and a rear housing 342. The LED light 31 and the slide 32 are sequentially mounted in the rear housing 342. The slide 32 is detachable and can be mounted using a detachable snap-on connection. The imaging lens 33 is mounted in the front housing 341. Therefore, the housing 34 is divided into a detachable front housing 341 and a rear housing 342, making it easy to assemble the LED light 31, the slide 32, and the imaging lens 33. Furthermore, since the slide 32 is detachable, it can be easily replaced with slides 32 of different patterns. This allows people to change slides 32 to suit different festivals, creating a different festive atmosphere.

[0040] Specifically, the front shell 341 and the rear shell 342 can be connected by threaded connection, so that they can be easily disassembled and assembled.

[0041] like Figures 1-4 As shown, preferably, a second telescopic rod 5 is further included; the two ends of the second telescopic rod 5 are respectively connected to the reflector 4 and the base 1. Therefore, the second telescopic rod 5 can be used to easily adjust the overall height of the reflector 4 to facilitate alignment with the projection device 3.

[0042] like Figures 1-4 As shown, a second universal joint 6 is further provided between the second telescopic rod 5 and the reflector 4 , so that the angle of the reflector 4 can be adjusted in multiple directions to facilitate alignment with the projection device 3 .

[0043] Preferably, a controller (not shown) for controlling the projection device 3 to be turned on or off is further included; the controller is located outside the outer lampshade 2, so that the projection device 3 can be remotely controlled to be turned on or off, which is very convenient to use.

[0044] Specifically, the decorative shape of the outer lampshade 2 can be regular or irregular, thereby achieving different decorative effects in different usage scenarios. For example, the outer lampshade 2 can be shaped like a hemisphere, a polygonal prism, or a pebble. However, those skilled in the art will appreciate that other decorative shapes are also possible for the outer lampshade 2, which will not be described in detail here.

[0045] Preferably, the periphery of the outer lampshade 2 is detachably connected to the periphery of the base 1 by bolts, so that the outer lampshade 2 and the base 1 can be easily disassembled and assembled.

[0046] Preferably, the reflector 4 can be a plane mirror or a curved mirror.

[0047] Preferably, the outer lampshade 2 can be made of plastic.

[0048] When the present invention is used, after all components are installed, the projection lamp can be installed at a suitable location outdoors, while the controller can be installed indoors. After the projection device 3 is turned on, a corresponding pattern can be projected on the outer lampshade 2, thereby achieving a good decorative effect and creating a different atmosphere.

[0049] The present invention is not limited to the above-mentioned embodiments. If various changes or modifications to the present invention do not depart from the spirit and scope of the present invention, and if these changes and modifications fall within the scope of the claims and equivalent technologies of the present invention, the present invention is also intended to include these changes and modifications.

Claims

1. A projection lamp with an outer lampshade, characterized in that: The utility model comprises a base, a semi-transparent outer lampshade installed on the base, and a projection device and a reflector respectively installed in the outer lampshade and cooperating with each other; The projection device includes an LED lamp, a projection sheet and an imaging lens distributed in sequence forward; The reflector is arranged opposite to the projection device, and can be used to reflect the projection pattern projected by the projection device onto the wall surface of the outer lampshade, so as to form a corresponding pattern on the outer surface of the outer lampshade.

2. The projection lamp with an outer lampshade according to claim 1, characterized in that: The projection device further comprises a shell with an inner cavity provided therein; the LED lamp, the projection sheet and the imaging lens are sequentially installed in the inner cavity of the shell.

3. The projection lamp with an outer lampshade according to claim 2, characterized in that: A sealing cover is also provided at the front end portion of the inner cavity.

4. The projection lamp with an outer lampshade according to claim 2, characterized in that: It also includes a first telescopic rod; two ends of the first telescopic rod are respectively connected to the shell and the base.

5. The projection lamp with an outer lampshade according to claim 4, characterized in that: A first universal joint is also provided between the first telescopic rod and the housing.

6. The projection lamp with an outer lampshade according to claim 2, characterized in that: The housing includes a front shell and a rear shell that are detachably connected; the LED lamp and the slide are sequentially installed in the rear shell, and the slide is detachably arranged; the imaging lens is installed in the front shell.

7. The projection lamp with an outer lampshade according to claim 1, characterized in that: It also includes a second telescopic rod; two ends of the second telescopic rod are respectively connected to the reflector and the base.

8. The projection lamp with an outer lampshade according to claim 7, characterized in that: A second universal joint is also provided between the second telescopic rod and the reflector.

9. The projection lamp with an outer lampshade according to claim 1, characterized in that: The device also includes a controller for controlling the projection device to be turned on or off; the controller is located outside the outer lampshade.

10. The projection lamp with an outer lampshade according to claim 1, characterized in that: The decorative shape of the outer lampshade is regular or irregular.

Citation Information

Patent Citations

  • LED projecting lamp

    CN107883271A