CN117028893A - Star projection lamp and light projection method thereof - Google Patents

Star projection lamp and light projection method thereof Download PDF

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Publication number
CN117028893A
CN117028893A CN202311128511.7A CN202311128511A CN117028893A CN 117028893 A CN117028893 A CN 117028893A CN 202311128511 A CN202311128511 A CN 202311128511A CN 117028893 A CN117028893 A CN 117028893A
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CN
China
Prior art keywords
transparent container
side wall
light
projection
light source
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.)
Pending
Application number
CN202311128511.7A
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Chinese (zh)
Inventor
许绍元
李铁军
萧湖春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jingdu Technology Co Ltd
Original Assignee
Shenzhen Jingdu Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Jingdu Technology Co Ltd filed Critical Shenzhen Jingdu Technology Co Ltd
Priority to CN202311128511.7A priority Critical patent/CN117028893A/en
Publication of CN117028893A publication Critical patent/CN117028893A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00Lighting devices or systems producing a varying lighting effect
    • F21S10/002Lighting devices or systems producing a varying lighting effect using liquids, e.g. water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004Personal or domestic articles
    • F21V33/0052Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
    • F21V33/0056Audio equipment, e.g. music instruments, radios or speakers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources

Abstract

The application relates to the technical field of projection lamps. The application discloses a star-sky projection lamp which comprises at least one main light source, at least one atomizing device, a transparent container and a collecting lens, wherein one end of each atomizing device is in direct contact with a water source, the other end of each atomizing device is connected with the bottom side wall of the transparent container, each main light source is positioned on one side of the bottom side wall of the transparent container, and the collecting lens is in fit connection with the top side wall of the transparent container. The application also discloses a light projecting method of the star field projection lamp. The application solves the technical problem of how to improve the imaging diversity of the starry sky projection lamp.

Description

Star projection lamp and light projection method thereof
Technical Field
The application relates to the technical field of projection lamps. More particularly, the present application relates to a star field projection lamp and a projection method of the star field projection lamp.
Background
A star field projection lamp is a projection device capable of generating a dynamic star cloud effect, and is often applied to a house, an automobile, a recreation place, etc. as an atmosphere lamp. The star-sky projection lamps in the market can be classified into texture reflection sheets, light-transmitting sheets with light holes (such as a star-sky projection lamp disclosed by publication No. CN 212408360U), film sheets (such as a star-sky projection lamp with sound function disclosed by publication No. CN 218037664U), water wave sheets (such as a projection atmosphere lamp disclosed by publication No. CN 216814028U) and the like according to different imaging mediums. These types of star-projection lamps all have a common disadvantage, namely a single imaging effect. Because of the singleness of the imaging effect, after long-time use, a user can feel dry and odorless easily, and the user experience is reduced.
Disclosure of Invention
The embodiment of the application aims to provide a starry sky projection lamp and a projecting method thereof, which solve the technical problem of how to improve imaging diversity of the starry sky projection lamp. The embodiment of the application is mainly realized by the following technical scheme:
in a first aspect of an embodiment of the present application, there is provided a star field projection lamp, including:
the device comprises at least one main light source, at least one atomizing device, a transparent container and a collecting lens, wherein one end of each atomizing device is in direct contact with a water source, the other end of each atomizing device is connected with the bottom side wall of the transparent container, each main light source is positioned on one side of the bottom side wall of the transparent container, and the collecting lens is in fit connection with the top side wall of the transparent container;
the atomizing device is used for forming spray in the transparent container after the water source is subjected to high-frequency oscillation;
after spraying is carried out in the transparent container, the at least one main light source emits first light, the first light is incident to the spraying through the bottom side wall of the transparent container, passes through the top side wall of the transparent container and the collecting lens after being refracted by the spraying, forms first projection light after being concentrated by the collecting lens, and projects the first projection light onto a projected object.
In some embodiments, the top sidewall of the transparent container has a plurality of raised structures.
In some technical solutions, the bottom side wall of the transparent container is provided with at least one mounting hole, and each atomizing device passes through the corresponding mounting hole and is fixedly connected with the bottom side wall of the transparent container.
In some embodiments, the star field projection lamp further comprises a water bottle connected to the transparent container, each of the atomizing devices being partially housed within the water bottle for storing the water source.
In some embodiments, the star field projection lamp further comprises at least one fan, each fan being disposed on a peripheral side wall of the transparent container;
and the wind power generated by the fan is used for pulling the spray to flow in the transparent container.
In some technical solutions, the starry sky projection lamp further includes a secondary light source and a grating sheet, where the secondary light source and the grating sheet are both located at one side of a bottom sidewall of the transparent container;
the secondary light source emits second light, the second light sequentially passes through the grating sheet and the bottom side wall of the transparent container, and is incident to the spray, passes through the top side wall of the transparent container and the condenser after being refracted by the spray, and forms second projection light after being condensed by the condenser, and projects the second projection light onto a projected object.
In some technical schemes, the starry sky projection lamp further comprises a Bluetooth module and an audio processing module, and the Bluetooth module is electrically connected with the audio processing module.
In some technical schemes, the starry sky projection lamp further comprises a singlechip, and the at least one main light source, the at least one atomizing device, the at least one fan, the auxiliary light source and the Bluetooth module are all electrically connected with the singlechip.
In some technical schemes, the singlechip is also used for connecting an external power supply.
In a second aspect of the embodiment of the present application, a light projecting method of a star field projection lamp is provided, including:
s101, forming spray in a transparent container after at least one atomizing device oscillates a water source at high frequency;
s102, after spraying is carried out in the transparent container, at least one main light source emits first light, the first light is incident to the spraying through the bottom side wall of the transparent container, passes through the top side wall of the transparent container and the collecting lens after being refracted by the spraying, forms first projection light after being concentrated by the collecting lens, and projects the first projection light onto a projected object.
The beneficial effects of the embodiment of the application include:
the star-sky projection lamp provided by the embodiment of the application is provided with at least one main light source, at least one atomizing device, a transparent container and a condenser lens, and based on the star-sky projection lamp, the projection light projected onto the projected object in the embodiment of the application is emitted by each main light source, is incident into the spray in the transparent container through the bottom side wall of the transparent container, is refracted by the spray, sequentially passes through the top side wall of the transparent container and the condenser lens, and is finally formed after being condensed by the condenser lens (namely the first projection light). Compared with the prior art adopting a texture reflecting sheet, a light-transmitting sheet with a light-transmitting hole, a film sheet or a water wave sheet as an imaging medium, the embodiment of the application adopts spraying as the imaging medium, and because the spraying has fluidity and no fixed form in a transparent container, the light rays emitted by a main light source can form light rays of various different light paths after being refracted by spraying, and each light path can change along with the change of water particles, thereby generating various projection effects, improving the imaging diversity of a star-sky projection lamp and further improving the use experience of users.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the application belong.
The various features and implementations of the embodiments of the application mentioned in the above aspects may be applied to other aspects as appropriate, where appropriate. Thus, a particular feature in one aspect may be combined with a particular feature in another aspect as appropriate.
Additional advantages, objects, and features of embodiments of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of embodiments of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a star-projection lamp according to some embodiments of the present application;
FIG. 2 is a schematic view of a star-projection lamp according to another embodiment of the present application;
FIG. 3 is a top view of a star-projection lamp of the present application in some embodiments;
FIG. 4 is a diagram illustrating the steps of a method for projecting light from a star field projection lamp according to the present application;
FIG. 5 is a diagram for explaining the steps of a projection method of a star field projection lamp according to the present application;
reference numerals illustrate:
1. a star projection lamp;
10a, a first primary light source; 10b, a second primary light source; 10c, a third main light source; 10d, a fourth main light source;
20a, a first atomizing device; 20b, a second atomizing device; 20c, a third atomizing device; 20d, a fourth atomization device;
30. a transparent container; 31. a bump structure; 32a, a first mounting hole; 32b, a second mounting hole; 32c, a third mounting hole; 32d, a fourth mounting hole; 33a, first connection posts; 33b, a second connecting column; 33c, a third connecting column; 33d, a fourth connecting column; 34. a threaded interface;
40. a condenser;
50. a water bottle;
60a, a first fan; 60b, a second fan; 60c, a third fan; 60d, a fourth fan;
70. an auxiliary light source;
80. a grating sheet;
90. a single chip microcomputer;
100. a Bluetooth module;
110. an audio processing module;
A. a water source;
B. and (5) spraying.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "first" and "second" and the like in the description of embodiments of the present application are used for distinguishing between different objects and not for describing a particular sequential order of objects. For example, the first projection light and the second projection light are used to distinguish between different projection light, rather than to describe a particular order of projection light.
In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.
The following describes specific embodiments of the present application in detail with reference to the drawings.
< starry sky projection Lamp >
As shown in fig. 1-3, in a first aspect of an embodiment of the present application, there is provided a star field projection lamp 1, comprising:
the device comprises at least one main light source, at least one atomizing device, a transparent container 30 and a collecting lens 40, wherein one end of each atomizing device is in direct contact with a water source A, the other end of each atomizing device is connected with the bottom side wall of the transparent container 30, each main light source is positioned on one side of the bottom side wall of the transparent container 30, and the collecting lens 40 is in fit connection with the top side wall of the transparent container 30; the atomizing device is used for forming spray B in the transparent container 30 after the water source A is subjected to high-frequency oscillation; after the transparent container 30 is provided with the spray B, the at least one main light source emits a first light, the first light is incident to the spray B through the bottom side wall of the transparent container 30, passes through the top side wall of the transparent container 30 and the condenser 40 after being refracted by the spray B, forms a first projection light after being condensed by the condenser 40, and projects the first projection light onto the projected object.
In the embodiment of the present application, the number of the at least one main light source is four, that is, the first main light source 10a, the second main light source 10b, the third main light source 10c and the fourth main light source 10d. In other embodiments, the number of primary light sources may be set by those skilled in the art according to actual needs. It should be appreciated that the number of primary light sources can directly affect the imaging effect of the first projection light.
The number of the at least one atomizing means is four, namely, a first atomizing means 20a, a second atomizing means 20b, a third atomizing means 20c and a fourth atomizing means 20d. In other embodiments, the number of atomizing devices may be set by one skilled in the art according to actual needs. The size of the spray B formed by each atomizing device can be set according to actual requirements.
The transparent container 30 has a mushroom shape as a whole.
The inner side of the top side wall of the transparent container 30 is provided with a plurality of protruding structures 31, and the outer side of the top side wall of the transparent container 30 is in fit connection with the condenser lens 40. Each of the convex structures 31 can be used to change the optical path direction of the light refracted by the spray B.
The bottom side wall of the transparent container 30 is provided with at least one mounting hole, and each atomizing device passes through the corresponding mounting hole and is fixedly connected with the bottom side wall of the transparent container 30. In the embodiment of the present application, the number of the mounting holes is the same as the number of the atomizing devices, and the at least one mounting hole includes a first mounting hole 32a, a second mounting hole 32b, a third mounting hole 32c, and a fourth mounting hole 32d. The first mounting hole 32a, the second mounting hole 32b, the third mounting hole 32c, and the fourth mounting hole 32d are all provided in the middle of the bottom sidewall of the transparent container 30.
The transparent container 30 further has at least one connecting post on a bottom side wall, and each of the atomizing devices is partially accommodated in the corresponding connecting post. Specifically, the at least one connection post includes a first connection post 33a, a second connection post 33b, a third connection post 33c, and a fourth connection post 33d.
The bottom side wall of the transparent container 30 is further provided with a threaded interface 34, the threaded interface 34 is located at the outer side of the bottom side wall of the transparent container 30, and the first connecting column 33a, the second connecting column 33b, the third connecting column 33c and the fourth connecting column 33d are located at the inner side of the bottom side wall of the transparent container 30.
The starry sky projection lamp 1 further comprises a water bottle 50, wherein the water bottle 50 is in threaded connection with the threaded interface 34, and the water bottle 50 is used for storing the water source A.
More specifically, one end of the first atomizing device 20a is received in the first connecting post 33a after passing through the threaded interface 34 and the first mounting hole 32a, and the other end of the first atomizing device 20a is received in the water bottle 50 and contacts the water source a.
One end of the second atomizing device 20b is received in the second connecting post 33b after passing through the threaded interface 34 and the second mounting hole 32b, and the other end of the second atomizing device 20b is received in the water bottle 50 and contacts the water source a.
One end of the third atomizing device 20c is received in the third connecting column 33c after passing through the threaded interface 34 and the third mounting hole 32c, and the other end of the third atomizing device 20c is received in the water bottle 50 and contacts the water source a.
One end of the fourth atomizing device 20d is received in the fourth connecting column 33d after passing through the threaded interface 34 and the fourth mounting hole 32d, and the other end of the fourth atomizing device 20d is received in the water bottle 50 and contacts the water source a.
The star-sky projection lamp 1 further comprises at least one fan, and each fan is arranged on the peripheral side wall of the transparent container 30; each fan rotates according to a preset program to generate wind power, and the spray B is pulled by the wind power to flow in the transparent container 30.
The at least one fan includes a first fan 60a, a second fan 60b, a third fan 60c, and a fourth fan 60d. The first fan 60a and the third fan 60c are disposed opposite to each other, and the second fan 60b and the fourth fan 60d are disposed opposite to each other.
The star field projection lamp 1 further comprises a secondary light source 70 and a grating sheet 80, wherein the secondary light source 70 and the grating sheet 80 are positioned outside the bottom side wall of the transparent container 30. The secondary light source 70 is configured to emit a second light, where the second light sequentially passes through the grating sheet 80 and the bottom sidewall of the transparent container 30, is incident on the spray B, is refracted by the spray B, sequentially passes through the top sidewall of the transparent container 30 and the condenser lens 40, is condensed by the condenser lens 40, forms a second projection light, and projects the second projection light onto the object to be projected.
It should be understood that the projected object may be a ceiling or a wall.
Compared with the prior art adopting a texture reflecting sheet, a light-transmitting sheet with a light-transmitting hole, a film sheet or a water wave sheet as an imaging medium, the embodiment of the application adopts the spray B as the imaging medium, and the spray B has fluidity in the transparent container 30 and has no fixed form, so that the light rays emitted by the main light source can form the light rays of various different light paths after being refracted by the spray B, and each light path can change along with the change of water particles, thereby generating various projection effects, improving the imaging diversity of the star-sky projection lamp 1 and further improving the use experience of users.
The embodiment of the application is provided with at least one fan, and can form dynamic change light and shadow by utilizing the trend of the spray B with flow change, generate various dynamic light and shadow effects and form vivid dynamic starry sky.
The embodiment of the application can match the main light source, the atomizing device and the fan in different amounts so as to obtain more dynamic imaging effects with various postures and solve the defect of single imaging of similar products in the market.
The embodiment of the application adopts the threaded interface 34 to connect the water bottle 50, so that water filling and water changing can be easily realized.
In some embodiments, the starry sky projection lamp 1 further includes a single-chip microcomputer 90, a bluetooth module 100 and an audio processing module 110, wherein the bluetooth module 100 and the audio processing module 110 are electrically connected, and the at least one main light source, the at least one atomizing device, the at least one fan, the auxiliary light source 70, the bluetooth module 100 and the audio processing module 110 are all electrically connected with the single-chip microcomputer 90.
The bluetooth module 100 is configured to receive communication information of an external electronic device.
The singlechip 90 is used for controlling the start or stop of the main light source, the atomizing device, the fan and the auxiliary light source 70.
The positive and negative rotation function of the fan and the speed function of the rotating speed can be set through the singlechip 90.
The singlechip 90 is also used for connecting an external power supply.
< method of projecting a starry sky projector >
As shown in fig. 4, in a second aspect of the embodiment of the present application, a light projecting method of a star-sky projection lamp is provided, which is applied to the star-sky projection lamp provided in the first aspect of the embodiment of the present application, where the light projecting method of the star-sky projection lamp includes:
s101, forming spray in a transparent container after at least one atomizing device oscillates a water source at high frequency;
s102, after spraying is carried out in the transparent container, at least one main light source emits first light, the first light is incident to the spraying through the bottom side wall of the transparent container, passes through the top side wall of the transparent container and the collecting lens after being refracted by the spraying, forms first projection light after being concentrated by the collecting lens, and projects the first projection light onto a projected object.
In some embodiments, as shown in fig. 5, after the step S102, the method for projecting the star-sky projection lamp further includes:
s103, the secondary light source emits second light, the second light sequentially passes through the grating sheet and the bottom side wall of the transparent container, and is incident to the spray, passes through the top side wall of the transparent container and the condenser after being refracted by the spray, and forms second projection light after being condensed by the condenser, and projects the second projection light onto the projected object.
The spraying of the embodiment of the application can generate a cloud effect; the melted water drops can generate a running water effect; so that people can look like the world faerie and improve the entertainment of users.
The present embodiment has been described above with no limitation, and only one preferred embodiment is shown in the accompanying drawings, and the actual structure is not limited thereto. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the embodiment, and all the structural manners and the embodiment should fall within the protection scope of the embodiment.

Claims (10)

1. Starry sky projection lamp, its characterized in that includes:
the device comprises at least one main light source, at least one atomizing device, a transparent container and a collecting lens, wherein one end of each atomizing device is in direct contact with a water source, the other end of each atomizing device is connected with the bottom side wall of the transparent container, each main light source is positioned on one side of the bottom side wall of the transparent container, and the collecting lens is in fit connection with the top side wall of the transparent container;
the atomizing device is used for forming spray in the transparent container after the water source is subjected to high-frequency oscillation;
after spraying is carried out in the transparent container, the at least one main light source emits first light, the first light is incident to the spraying through the bottom side wall of the transparent container, passes through the top side wall of the transparent container and the collecting lens after being refracted by the spraying, forms first projection light after being concentrated by the collecting lens, and projects the first projection light onto a projected object.
2. The overhead projector of claim 1, wherein the top side wall of the transparent container has a plurality of raised structures.
3. The overhead projector of claim 2, wherein the bottom side wall of the transparent container has at least one mounting hole, and each of the atomizing devices is fixedly connected to the bottom side wall of the transparent container through a corresponding one of the mounting holes.
4. A star projection lamp as defined in claim 3, further comprising a water bottle connected to said transparent container, each of said atomizer devices being partially housed within said water bottle for storing said water source.
5. The overhead projector of claim 4, further comprising at least one fan, each fan disposed on a peripheral side wall of the transparent container;
and the wind power generated by the fan is used for pulling the spray to flow in the transparent container.
6. The overhead projector of claim 5, further comprising a secondary light source and a grating sheet, each positioned on one side of a bottom sidewall of the transparent container;
the secondary light source emits second light, the second light sequentially passes through the grating sheet and the bottom side wall of the transparent container, and is incident to the spray, passes through the top side wall of the transparent container and the condenser after being refracted by the spray, and forms second projection light after being condensed by the condenser, and projects the second projection light onto a projected object.
7. The overhead projector of claim 6, further comprising a bluetooth module and an audio processing module, the bluetooth module and the audio processing module being electrically connected.
8. The overhead projector of claim 7, further comprising a single-chip microcomputer, wherein the at least one primary light source, the at least one atomizing device, the at least one fan, the secondary light source, and the bluetooth module are all electrically connected to the single-chip microcomputer.
9. The overhead projector of claim 8, wherein the single-chip microcomputer is further configured to connect to an external power source.
10. A method of projecting a star-projection lamp for use in a star-projection lamp as claimed in any one of claims 1 to 9, comprising:
s101, forming spray in a transparent container after at least one atomizing device oscillates a water source at high frequency;
s102, after spraying is carried out in the transparent container, at least one main light source emits first light, the first light is incident to the spraying through the bottom side wall of the transparent container, passes through the top side wall of the transparent container and the collecting lens after being refracted by the spraying, forms first projection light after being concentrated by the collecting lens, and projects the first projection light onto a projected object.
CN202311128511.7A 2023-08-30 2023-08-30 Star projection lamp and light projection method thereof Pending CN117028893A (en)

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CN212805362U (en) * 2020-08-07 2021-03-26 深圳市斯科易科技有限公司 Starry sky projection lamp
CN213599279U (en) * 2020-12-17 2021-07-02 广州市五光十色舞台设备有限公司 Starry sky projection lamp
CN213930755U (en) * 2021-02-03 2021-08-10 许龙才 Star projection device capable of being dynamically changed
CN112728465A (en) * 2021-02-04 2021-04-30 朗唯思科技(深圳)有限公司 Starry sky projection lamp and method for generating stars and clouds
CN214222969U (en) * 2021-04-08 2021-09-17 许龙才 Star sky atmosphere lamp of two projection subassemblies
CN214306908U (en) * 2021-04-08 2021-09-28 许龙才 Projection lamp with rotary dynamic water wave effect
CN113658531A (en) * 2021-06-30 2021-11-16 厦门龙胜达照明电器有限公司 Lamp projecting starry sky
CN215174305U (en) * 2021-07-16 2021-12-14 魏俊 Humidification spraying projection lamp
CN218936164U (en) * 2022-03-08 2023-04-28 朗唯思科技(深圳)有限公司 Star projection lamp with cloud and fog effect
CN218936165U (en) * 2022-03-09 2023-04-28 朗唯思科技(深圳)有限公司 Star lamp with image graph effect
CN218630492U (en) * 2022-09-30 2023-03-14 深圳博浪科技有限公司 Projection device and projection lamp for generating light effect of galaxy starry sky
CN219346688U (en) * 2022-11-21 2023-07-14 北京小米移动软件有限公司 Atomizing module and humidifier

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