CN214222969U - Star sky atmosphere lamp of two projection subassemblies - Google Patents
Star sky atmosphere lamp of two projection subassemblies Download PDFInfo
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- CN214222969U CN214222969U CN202120718451.4U CN202120718451U CN214222969U CN 214222969 U CN214222969 U CN 214222969U CN 202120718451 U CN202120718451 U CN 202120718451U CN 214222969 U CN214222969 U CN 214222969U
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Abstract
The utility model relates to the technical field of projection lamps, in particular to a starry sky atmosphere lamp with double projection assemblies, which comprises a first projection assembly, a second projection assembly, a control device, a loudspeaker, a first shell and a second shell; the first projection assembly comprises a first LED light source, a light reflecting bowl, a light transmitting refraction cover and a motor; the second projection assembly comprises a second LED light source, a projection lamp sheet and a lens assembly; the light emitted by the first LED light source irradiates the reflecting bowl, is reflected and then is projected on a surface through the light-transmitting refraction cover capable of rotating and moving, and a rotating star cloud effect can be presented; the light emitted by the second LED light source penetrates through the projection lamp piece after being condensed, and the pattern on the projection lamp piece is clearly projected on a surface after being amplified. The utility model discloses a two projection subassembly structures, the projection effect of first projection subassembly and second projection subassembly combines together, and the effect of building the sky atmosphere is better.
Description
Technical Field
The utility model relates to a projection lamp technical field relates to a starry sky atmosphere lamp of two projection subassemblies especially.
Background
Conventionally, projection lamps for creating atmospheres are often applied to scenes with stage entertainment requirements, such as theaters, studios, bars, discos and the like. With the increasing demand for home entertainment or creation of specific projection atmospheres, small, portable, multifunctional and low-power-consumption small-sized atmosphere projection lamps are increasingly accepted by people and applied to home entertainment and life. In the atmosphere projection lamp, the atmosphere effect of the light is like starry river splendid, some like water wave circulation, some creates warm and sweet, some creates joyful fast, and adds colorful life interest for people.
In a projection lamp with a starry sky cloud effect, generally, the principle of optical projection is utilized, and a structure with uneven light-transmitting sheets on the surface is utilized to interfere transmitted light, so that the dynamic change of light projection lines is realized, and the changeable light effect similar to the starry sky cloud is projected.
US patent No. US8057045B2, Star Field Projection Apparatus (Star Field Projection Apparatus), discloses a Projection method and Apparatus that can achieve dynamic starry sky and cloud changing effects. The patent application with publication number CN107859962A discloses a projection lamp simulating sky effect. The utility model with the publication number of CN207796894U discloses a technical scheme for realizing a water wave projection effect by utilizing water wave glass. The utility model discloses a utility model patent that publication number is CN210891354U discloses an adoption water wave piece and quartzy cover realize trinity starry sky lamp structure of starry cloud effect. In addition, utility model patent with publication number CN201875625U discloses a structure of optical disk with triangular prism-shaped light refraction surface and light shield combination of light refraction surface, realizing the technical scheme of stage lamp with dynamic cloud effect.
In order to realize the projection lamp effect of the starry sky cloud or the water ripple effect, the common point of the technical scheme is that the projection lamp effect adopts a sheet structure which is provided with uneven irregular surfaces on one surface or two surfaces and has a light transmission effect or is square or circular, such as ground glass or a water ripple sheet (also called an interference wheel), and the like, so that irregular light transmission refraction of a light path is realized. A projection light source, a water-wave sheet or frosted glass (interference wheel), a convex lens or a crystal cover are sequentially arranged on the light path and then reach the projection surface; on the inner components, a certain distance is reserved between all inner structure components, and most of the inner structure components are of an open structure, so that light emitted by a projection light source (LED lamp) has a scattered light leakage phenomenon towards the inner periphery, and the utilization rate of the projection light is not high; if the shell is thin or colored shallowly or a gap with untight packaging exists, the light leakage phenomenon is obvious, the user experience is influenced, the projection light cannot be efficiently utilized, and the energy conservation and environmental protection are not sufficient.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model aims to provide a two projection assembly's star sky atmosphere lamp can enough realize having rotatory dynamic star cloud effect, also can improve the light utilization ratio of projection light effectively, reduces or avoids inside light leak phenomenon, promotes user's experience and feels.
In order to solve the technical problem of the existence, reach profitable improvement effect, the utility model discloses a following technical scheme:
a star atmosphere lamp with double projection assemblies comprises a first projection assembly, a second projection assembly, a control device, a loudspeaker, a first shell and a second shell; the first projection assembly comprises a first LED light source, a reflecting bowl with a through hole at the bottom, a light-transmitting refraction cover which is provided with a light refraction surface and can rotate and move, and a motor for driving the light-transmitting refraction cover to rotate; the second projection assembly comprises a second LED light source, a projection lamp sheet and a lens assembly; the first LED light source, the second LED light source, the motor and the loudspeaker are electrically connected with the control device; the light emitted by the first LED light source irradiates the light reflecting bowl, is reflected and then is projected onto a surface through the light transmitting refraction cover capable of rotating and moving, and a rotating star cloud effect can be presented; the light emitted by the second LED light source penetrates through the projection lamp piece after being condensed, and the pattern on the projection lamp piece is clearly projected on a surface after being amplified.
Furthermore, the first projection assembly further comprises a funnel-shaped lamp post, the upper part of the funnel-shaped lamp post is provided with a conical table body with a wide upper part and a narrow lower part, and the lower part of the funnel-shaped lamp post is provided with a cylinder; a plurality of patch lamp beads are equidistantly attached to the side face of the cone frustum of the funnel-shaped lamp post and are arranged into a circle, and the patch lamp beads form the first LED light source; the funnel-shaped lamp post penetrates out of a through hole formed in the bottom of the reflecting bowl, and is fixedly connected with the first projection assembly fixing seat; the first LED light source is higher than the bottom of the light reflecting bowl and irradiates the film-coated light reflecting surface of the light reflecting bowl.
Furthermore, the first projection assembly further comprises an annular rotating seat, and the annular rotating seat comprises an upper rotating seat and a lower rotating seat; the lower rotary seat is provided with an outer gear ring, the outer gear ring is meshed with a gear fixedly connected to a rotating shaft of the motor, and the upper rotary seat and the lower rotary seat are detachably and fixedly connected; the outer periphery of the upper rotary seat is provided with a convex clamping ring, a certain gap is formed between the clamping ring and the upper edge of the lower rotary seat, and an annular groove is formed on the whole gap; the light-transmitting refraction cover is detachably and fixedly connected with the upper rotating seat, and the motor can drive the light-transmitting refraction cover to rotate through the transmission effect of the annular rotating seat.
Furthermore, the reflecting bowl comprises a bottom through hole and a coated reflecting surface, wherein the funnel-shaped lamp post penetrates through the bottom through hole, so that the first LED light source is higher than the bottom of the reflecting bowl and irradiates the coated reflecting surface of the reflecting bowl; the film-coated reflecting surface is a diffuse reflection surface which is realized by arranging convex hulls, concave hulls, wrinkled lines or uneven surfaces.
Furthermore, the whole light-transmitting refraction cover is of a hemispherical shape, the inner surface of the light-transmitting refraction cover is a light refraction surface formed by mutually splicing polygonal cutting surfaces, and the outer surface of the light-transmitting refraction cover is a smooth spherical surface.
Furthermore, the second projection assembly also comprises an assembly shell and an outer projection lampshade; the assembly shell can be divided into a first assembly shell and a second assembly shell, and the second LED light source, the projection lamp sheet and the lens assembly are all arranged in an assembly shell accommodating space which is formed by the first assembly shell and the second assembly shell in a surrounding mode; the outer projection lamp shade is arranged on a projection light path of the second projection component and is fixedly arranged on a second projection window arranged on the first shell.
Furthermore, the lens subassembly is including being provided with 4 convex lens, the projection lamp piece is installed between the lens subassembly, makes respectively be provided with 2 convex lens in the upper and lower side of projection lamp piece.
Furthermore, the control device comprises a motor control unit, a light source control unit, a Bluetooth connection unit, an audio processing unit, an infrared remote control unit and a power supply management unit; the first LED light source, the second LED light source, the motor and the loudspeaker are electrically connected with the control device; the motor control unit is used for controlling the motor to run or stop or regulate the rotating speed; the light source control unit is used for controlling the first LED light source and/or the second LED light source to be in a circular dynamic state of normally on or off or color switching or gradually on and gradually off; and the power supply management unit is externally connected with a power supply or internally provided with a lithium battery through a power supply interface to supply power to the starry sky atmosphere lamp.
Furthermore, the first shell is provided with a first projection window and a second projection window; a convex circular ring is arranged on the inner edge of the first projection window; a plurality of ball containing grooves with built-in balls are equidistantly arranged on the circular ring.
Further, the second shell is provided with an interface hole, a button hole and a sound outlet hole; the first projection assembly fixing seat, the motor, the control device, the loudspeaker and the assembly shell of the second projection assembly are fixedly connected with the second shell.
Furthermore, the starry sky atmosphere lamp further comprises a plurality of projection combination modes, including dynamic or static effects, wherein each projection combination mode is a free combination of the first LED light source, the second LED light source and the running state of the motor, and switching among different projection combination modes is realized through the control device.
The utility model provides a pair of starry sky atmosphere lamp of two projection subassemblies, its beneficial effect lies in:
1. the utility model adopts a double projection component structure, the light emitted by the first projection component is projected on a surface, and the rotary dynamic star cloud effect can be presented; the second projection component can project the printed pattern on a surface clearly by amplifying according to the printed pattern of the projection lamp piece (generally, a film), such as a moon pattern or a constellation pattern, and the effect of creating a starry sky atmosphere is better by matching with the dynamic rotating star cloud effect of the first projection component.
2. The utility model discloses adopt the reflector structure that has the diffuse reflection face on first projection subassembly, can reduce or avoid the phenomenon of inside light leak effectively, improve projection light source's light utilization ratio simultaneously greatly, it is more energy-concerving and environment-protective.
3. Through controlling means, can let the user freely switch, select the projection light effect combination mode of liking, provide more selections for the user, promote user experience and feel.
Drawings
Fig. 1 is an exploded view of the overall structure of an embodiment of the present invention;
fig. 2 is a cross-sectional view of the overall structure of an embodiment of the present invention;
fig. 3 is an exploded view of a first projection assembly according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a first projection assembly according to an embodiment of the present invention;
FIG. 5 is an exploded view of a second projection module according to an embodiment of the present invention
FIG. 6 is a cross-sectional view of a second projection module according to an embodiment of the present invention
In the above drawings, the reference numerals denote:
1-a first housing; 2-a second housing; 3-a control device; 4-a loudspeaker; 11-a first LED light source; 12-a light reflecting bowl; 13-a light-transmissive refractive cover; 14-a motor; 21-a second LED light source; 22-projection lamp sheet; 23-a lens assembly; 24-an outer projection lampshade; 25-assembly housing one; 26-assembly housing two; 101-a first projection window; 102-a second projection window; 103-ring; 104-ball receiving groove; 105-a ball; 110-funnel type lamp post; 111-a first LED light source circuit board; 112-a first projection assembly holder; 120-coating a film reflecting surface; 131-upward rotary seat; 132-down swivel; 140-a gear; 1310-a capture ring; 1311-annular groove; 1320-outer gear ring.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention; in order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further clearly and completely described with reference to the accompanying drawings. Other embodiments, which can be obtained by a person skilled in the art without inventive step, are also intended to be included within the scope of the present invention.
In the embodiment of the present invention, if the connection or fixing manner between the components is not described, the connection or fixing manner can be fixed by bolts, pins, sliding fasteners, or buckles, or welded or bonded, or connected by rotating shafts, which are commonly used in the prior art. Therefore, details are not described in the present embodiment.
Example 1
Referring to fig. 1-6, a dual projection assembly star atmosphere lamp includes a first projection assembly, a second projection assembly, a control device 3, a speaker 4, a first housing 1 and a second housing 2; the first projection assembly comprises a first LED light source 11, a light reflecting bowl 12 with a through hole at the bottom, a light transmitting refraction cover 13 which is provided with a light ray refraction surface and can rotate and move, and a motor 14 for driving the light transmitting refraction cover to rotate; the second projection assembly comprises a second LED light source 21, a projection lamp sheet 22 and a lens assembly 23; the first LED light source 11, the second LED light source 21, the motor 14 and the loudspeaker 4 are all electrically connected with the control device 3; the light emitted by the first LED light source 11 irradiates the light reflecting bowl 12, is reflected and then is projected on a surface through the light transmitting refraction cover 13 which can rotate and move, and a rotating star cloud effect can be presented; the light emitted from the second LED light source 21 is condensed and then passes through the projection lamp 22, and the pattern on the projection lamp 22 is enlarged and then clearly projected on a surface.
Referring to fig. 3-4, further, the first projection assembly further includes a funnel-shaped lamp post 110, an upper portion of the funnel-shaped lamp post 110 is configured as a frustum with a wide upper portion and a narrow lower portion, and a lower portion is configured as a cylinder; a plurality of patch lamp beads are equidistantly attached to the side surface of the truncated cone of the funnel-shaped lamp post and are arranged in a circle, and the patch lamp beads form the first LED light source 11; the funnel-shaped lamp post 110 penetrates out of a through hole formed in the bottom of the light reflecting bowl 12, and the funnel-shaped lamp post 110 is fixedly connected with the first projection assembly fixing seat 112; the first LED light source 11 is higher than the bottom of the light reflecting bowl 12 and irradiates the coated light reflecting surface of the light reflecting bowl 12.
Referring to fig. 3-4, further, the first projection group further includes a first LED light source circuit board 111 and a first projection assembly fixing base 112; the light reflecting bowl 12, the funnel-shaped lamp post 110 and the first LED light source circuit board are all fixedly mounted on the first projection assembly fixing seat 112.
Referring to fig. 3-4, further, the first projection assembly further includes an annular rotary base, and the annular rotary base includes an upper rotary base 131 and a lower rotary base 132; the lower swivel base 132 is provided with an outer gear ring 1320, the outer gear ring 1320 is meshed with the gear 140 fixedly connected to the rotating shaft of the motor 14, and the upper swivel base 131 is detachably and fixedly connected with the lower swivel base 132; the upper rotary seat 31 is provided with a convex position-locking ring 1310 at the periphery, the position-locking ring 1310 has a certain gap with the upper edge of the lower rotary seat 132, and the gap forms an annular groove 1311 as a whole; the light-transmitting refraction cover 13 is detachably and fixedly connected with the upper rotating seat 131, and the motor 14 can drive the light-transmitting refraction cover 13 to rotate under the transmission action of the annular rotating seat.
Preferably, the upper swivel mount 131 is installed above the ring 103 disposed on the first projection window 101, and the lower swivel mount 132 is installed below the ring 103 disposed on the first projection window 101, and the ring-shaped groove 1311 is formed to just hold the ring 103 disposed on the first projection window 101 by fixedly connecting the upper swivel mount 131 and the lower swivel mount 132, so that the ring-shaped swivel mount can swivel in the first projection window 101 without falling out upward or downward.
Further, a plurality of ball receiving grooves 104 containing balls 105 are equidistantly formed in the ring 103 to reduce friction between the upper rotary base 131 and the ring 103, so that the ring-shaped rotary base can rotate on the first projection window 101 more quietly, smoothly and efficiently.
Further, the light reflecting bowl 12 includes a bottom through hole and a coated light reflecting surface 120, the bottom through hole allows the funnel-shaped lamp post 110 to pass through, so that the first LED light source 11 is higher than the bottom of the light reflecting bowl 12 and irradiates the coated light reflecting surface 120 of the light reflecting bowl; the coated reflective surface 120 is a diffuse reflective surface implemented by providing convex or concave or corrugated or uneven surfaces.
Further, the whole transparent refraction cover 13 is a hemispherical shape, the inner surface is a light refraction surface formed by mutually splicing polygonal cutting surfaces, and the outer surface is a smooth spherical surface.
Further, the second projection assembly further comprises an assembly housing and an outer projection lampshade 24; the assembly shell can be divided into a first assembly shell 25 and a second assembly shell 26, and the second LED light source 21, the projection lamp sheet 22 and the lens assembly 23 are all arranged in an assembly shell accommodating space enclosed by the first assembly shell 25 and the second assembly shell 26; the outer projection lampshade 24 is disposed on the projection light path of the second projection component, and is fixedly mounted on a second projection window 102 formed in the first housing 1.
Further, the lens assembly 23 includes 4 convex lenses, and the projection lamp sheet 22 is installed in the lens assembly 23, so that 2 convex lenses are respectively disposed above and below the projection lamp sheet.
Further, the control device 3 comprises a motor control unit, a light source control unit, a bluetooth connection unit, an audio processing unit, an infrared remote control unit and a power supply management unit; the first LED light source 11, the second LED light source 21, the motor 14 and the loudspeaker 4 are electrically connected with the control device 3; the motor control unit is used for controlling the motor 14 to run or stop or regulate the rotating speed; the light source control unit is used for controlling the first LED light source 11 and/or the second LED light source 21 to be in a cycle dynamic state of normally on or off or color switching or gradually on and gradually off; and the power supply management unit is externally connected with a power supply or internally provided with a lithium battery through a power supply interface to supply power to the starry sky atmosphere lamp.
Further, the first housing 1 is provided with a first projection window 101 and a second projection window 102; a convex circular ring 103 is arranged on the inner edge of the first projection window 101; a plurality of ball receiving grooves 104 in which balls 105 are accommodated are equidistantly formed in the ring 103.
Further, the second housing 2 is provided with an interface hole, a button hole and a sound outlet hole; the first projection module fixing base 112, the motor 14, the control device 3, the speaker 4 and the module housing of the second projection module are all fixedly connected with the second housing 2.
Further, the starry sky atmosphere lamp further comprises a plurality of projection combination modes, including dynamic or static effects, wherein each projection combination mode is a free combination of the running states of the first LED light source 11, the second LED light source 21 and the motor 14, and switching among different projection combination modes is realized through the control device.
The above description is for the purpose of illustration, and it is intended to cover by those skilled in the art all such modifications, equivalents, and alternatives as fall within the spirit and scope of the present invention.
Claims (10)
1. A starry sky atmosphere lamp with double projection assemblies is characterized by comprising a first projection assembly, a second projection assembly, a control device, a loudspeaker, a first shell and a second shell; the first projection assembly comprises a first LED light source, a reflecting bowl with a through hole at the bottom, a light-transmitting refraction cover which is provided with a light refraction surface and can rotate and move, and a motor for driving the light-transmitting refraction cover to rotate; the second projection assembly comprises a second LED light source, a projection lamp sheet and a lens assembly; the first LED light source, the second LED light source, the motor and the loudspeaker are electrically connected with the control device; the light emitted by the first LED light source irradiates the light reflecting bowl, is reflected and then is projected onto a surface through the light transmitting refraction cover capable of rotating and moving, and a rotating star cloud effect can be presented; the light emitted by the second LED light source penetrates through the projection lamp piece after being condensed, and the pattern on the projection lamp piece is clearly projected on a surface after being amplified.
2. The star atmosphere lamp of the dual projection assembly as claimed in claim 1, wherein the first projection assembly further comprises a funnel-shaped lamp post, the upper part of the funnel-shaped lamp post is provided with a frustum with a wide upper part and a narrow lower part, and the lower part of the funnel-shaped lamp post is provided with a cylinder; a plurality of patch lamp beads are equidistantly attached to the side face of the cone frustum of the funnel-shaped lamp post and are arranged into a circle, and the patch lamp beads form the first LED light source; the funnel-shaped lamp post penetrates out of the through hole formed in the bottom of the light reflecting bowl, so that the first LED light source is higher than the bottom of the light reflecting bowl.
3. The dual projection assembly starry sky lamp as claimed in claim 1, wherein the first projection assembly further comprises an annular swivel base, the annular swivel base comprising an upper swivel base and a lower swivel base; the lower rotary seat is provided with an outer gear ring, the outer gear ring is meshed with a gear fixedly connected to a rotating shaft of the motor, and the upper rotary seat and the lower rotary seat are detachably and fixedly connected; the outer periphery of the upper rotary seat is provided with a convex clamping ring, a certain gap is formed between the clamping ring and the upper edge of the lower rotary seat, and an annular groove is formed on the whole gap; the light-transmitting refraction cover is detachably and fixedly connected with the upper rotating seat, and the motor can drive the light-transmitting refraction cover to rotate through the transmission effect of the annular rotating seat.
4. The star atmosphere lamp with double projection assemblies as claimed in claim 2, wherein the reflector comprises a bottom through hole and a coated reflecting surface, the bottom through hole allows the funnel-shaped lamp post to pass through, so that the first LED light source is higher than the bottom of the reflector and irradiates the coated reflecting surface of the reflector; the film-coated reflecting surface is a diffuse reflection surface which is realized by arranging convex hulls, concave hulls, wrinkled lines or uneven surfaces.
5. The star atmosphere lamp of claim 3, wherein the transparent refractive cover is hemispherical, the inner surface is a light refracting surface formed by mutually splicing polygonal cutting surfaces, and the outer surface is a smooth spherical surface.
6. The dual projection assembly star atmosphere lamp of claim 1, wherein the second projection assembly further comprises a housing provided with an assembly housing and an outer projection lamp housing; the assembly shell can be divided into a first assembly shell and a second assembly shell, and the second LED light source, the projection lamp sheet and the lens assembly are all arranged in an assembly shell accommodating space which is formed by the first assembly shell and the second assembly shell in a surrounding mode; the outer projection lamp shade is arranged on the projection light path of the second projection component and fixedly connected with the first shell.
7. The star atmosphere lamp with double projection assemblies as claimed in claim 6, wherein the lens assembly comprises 4 convex lenses, and the projection lamp sheets are arranged between the lens assemblies, so that 2 convex lenses are arranged above and below the projection lamp sheets.
8. The starry sky atmosphere lamp of the double projection assembly as claimed in claim 1, wherein the control device comprises a motor control unit, a light source control unit, a bluetooth connection unit, an audio processing unit, an infrared remote control unit and a power supply management unit; the first LED light source, the second LED light source, the motor and the loudspeaker are electrically connected with the control device; the motor control unit is used for controlling the motor to run or stop or regulate the rotating speed; the light source control unit is used for controlling the first LED light source and/or the second LED light source to be in a circular dynamic state of normally on or off or color switching or gradually on and gradually off; and the power supply management unit is externally connected with a power supply or internally provided with a lithium battery through a power supply interface to supply power to the starry sky atmosphere lamp.
9. The star atmosphere lamp with double projection assemblies as claimed in claim 1, wherein the first shell defines a first projection window and a second projection window; a convex circular ring is arranged on the inner edge of the first projection window; a plurality of ball containing grooves with built-in balls are equidistantly arranged on the circular ring.
10. The star atmosphere lamp for a dual projection assembly as claimed in claim 1, wherein the second housing is provided with an interface hole, a button hole and a sound outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718451.4U CN214222969U (en) | 2021-04-08 | 2021-04-08 | Star sky atmosphere lamp of two projection subassemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718451.4U CN214222969U (en) | 2021-04-08 | 2021-04-08 | Star sky atmosphere lamp of two projection subassemblies |
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| Publication Number | Publication Date |
|---|---|
| CN214222969U true CN214222969U (en) | 2021-09-17 |
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| CN202120718451.4U Active CN214222969U (en) | 2021-04-08 | 2021-04-08 | Star sky atmosphere lamp of two projection subassemblies |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017738A (en) * | 2021-11-22 | 2022-02-08 | 深圳市盈鹏光电有限公司 | Star-moon projection lamp |
| CN114527620A (en) * | 2022-04-21 | 2022-05-24 | 广东五九科技有限公司 | Starry sky projection device |
| US11629830B2 (en) | 2020-10-28 | 2023-04-18 | Jun Wei | Projection lamp with dual projection function |
| CN117028893A (en) * | 2023-08-30 | 2023-11-10 | 深圳璟都科技有限公司 | Star projection lamp and light projection method thereof |
-
2021
- 2021-04-08 CN CN202120718451.4U patent/CN214222969U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11629830B2 (en) | 2020-10-28 | 2023-04-18 | Jun Wei | Projection lamp with dual projection function |
| CN114017738A (en) * | 2021-11-22 | 2022-02-08 | 深圳市盈鹏光电有限公司 | Star-moon projection lamp |
| CN114017738B (en) * | 2021-11-22 | 2023-12-05 | 深圳市盈鹏光电有限公司 | Star-moon projection lamp |
| CN114527620A (en) * | 2022-04-21 | 2022-05-24 | 广东五九科技有限公司 | Starry sky projection device |
| CN114527620B (en) * | 2022-04-21 | 2023-08-18 | 广东五九科技有限公司 | Star projector |
| CN117028893A (en) * | 2023-08-30 | 2023-11-10 | 深圳璟都科技有限公司 | Star projection lamp and light projection method thereof |
| CN117028893B (en) * | 2023-08-30 | 2024-07-05 | 深圳璟都科技有限公司 | Star projection lamp and light projection method thereof |
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