CN213930755U - Star projection device capable of being dynamically changed - Google Patents
Star projection device capable of being dynamically changed Download PDFInfo
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- CN213930755U CN213930755U CN202120325395.8U CN202120325395U CN213930755U CN 213930755 U CN213930755 U CN 213930755U CN 202120325395 U CN202120325395 U CN 202120325395U CN 213930755 U CN213930755 U CN 213930755U
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Abstract
The utility model relates to the technical field of projection lamps, in particular to a dynamically changeable starry sky projection device, which comprises a first projection component, wherein the first projection component comprises a first light source, a rotatable and movable reflection bowl and a light-transmitting cover provided with a light refraction surface; the light emitted by the first light source irradiates the light reflecting bowl, is reflected and then penetrates through the light transmitting cover to be projected on a surface, so that a cloud effect can be presented; still include annular lamp stand, annular lamp stand is located between printing opacity cover and the reflector, and sets up in the last edge of reflector, and annular lamp stand is provided with the interior inclined plane towards the reflector, and first light source is by a plurality of paster lamp pearls equidistance ground dress of pasting just arrange into the light emitting source of round on the interior inclined plane of annular lamp stand. The utility model discloses a creatively adopts rotatable movable reflector structure, can effectively reduce or avoid the phenomenon of inside light leak, improves projection light source's light utilization ratio simultaneously effectively, and is more energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a projection lamp technical field especially relates to a starry sky projection arrangement that can change dynamically.
Background
The projection lamp for creating atmosphere is generally applied to scenes with stage entertainment effect requirements, such as theaters, studios, bars, discos and the like. With the increasing demand for family entertainment or creation of specific projection atmospheres, the portable, small, low-power-consumption and multifunctional atmosphere projection lamp, a decorative lamp, is more and more advanced to people's home 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.
Among the above atmosphere projection lamps, there are film type atmosphere projection lamps printed with patterns and light effect type atmosphere projection lamps using light rays to change dynamically. The projection lamp for realizing light effects such as cloud, water waves, flame and the like is common in a general light effect type atmosphere projection lamp. The light effect type projection lamp does not need a projection film printed in advance, and is realized through refraction, interference, diffraction or reunion of light rays and the like.
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 the technical scheme disclosed above, the projection component for realizing the cloud or water wave lighting effect has the common point that the projection component adopts the sheet structure with light transmission refraction such as ground glass or water wave sheets, and realizes irregular refraction of the light path. A projection light source, a water wave sheet or frosted glass, a convex lens or a crystal cover are sequentially arranged on the light path to reach the projection surface; on the internal components, the water-wave sheet or the ground glass is usually in a square or round sheet structure, and a certain distance is reserved between all internal structural components and most of the internal structural components are in an open structure. Therefore, light emitted by the projection light source (LED) has a light leakage phenomenon of scattering toward the inside periphery, and the utilization rate of the projection light is not high enough; if the shell is thin or colored shallowly or a gap with untight packaging exists, the light leakage phenomenon is obvious, the user experience feeling 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 starry sky projection arrangement that can change dynamically can enough realize having the starry sky projection effect that dynamic cloud and starlight combine, 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 starry sky projection device capable of dynamically changing comprises a first projection assembly, a second projection assembly and a third projection assembly, wherein the first projection assembly comprises a first light source, a reflecting bowl capable of rotating and moving and a light-transmitting cover with a light refraction surface; the light emitted by the first light source irradiates the light reflecting bowl, is reflected and then penetrates through the light-transmitting cover, and is projected on a surface to show a cloud effect.
Furthermore, the dynamically changeable starry sky projection device further comprises a second projection assembly, the second projection assembly comprises a second light source and a diffraction sheet arranged on the light path of the second light source, and light emitted by the second light source penetrates through the diffraction sheet and is projected onto a surface to show the effect of starry light spots.
Further, but dynamic change's sky projection arrangement still includes annular lamp stand, annular lamp stand is located between printing opacity cover and the reflector, and set up in the last edge of reflector, annular lamp stand is still including being provided with the interior inclined plane towards the reflector, first light source is by a plurality of paster lamp pearl equidistance paste the dress and be in on the interior inclined plane of annular lamp stand and arrange into the luminous source of round, towards the reflector shines.
Furthermore, the first light source is an incoherent light source, and a projection light source can be provided for the first projection assembly by adopting a conventional full-color LED (light-emitting diode) paster lamp bead; the second light source is a coherent light source, and a laser can be used for providing a projection light source for the second projection assembly.
Furthermore, but dynamic change's starry sky projection arrangement still includes driving motor, driving motor is connected with the reflector transmission, when the reflector rotated under driving motor's transmission control, the light that first light source sent shines on the reflector, and light sees through the light-permeable cover again through the reflection, can demonstrate dynamic change's cloud effect on a surface.
Furthermore, the light reflecting bowl is provided with an outer gear ring, and the outer gear ring is meshed with a gear fixedly connected to a rotating shaft of the driving motor, so that the light reflecting bowl is in transmission connection with the driving motor; the light reflecting bowl is provided with a diffuse reflection surface on the film-coated light reflecting surface, so that light rays emitted by the first light source are diffused and reflected and then penetrate through the light-transmitting cover.
Preferably, the diffuse reflection surface on the light reflecting bowl is realized by arranging convex hulls or concave pits or uneven lines or folds.
Further, the light-transmitting cover is provided with light refracting surfaces spliced with each other on the inner layer of the cover body, the outer layer of the cover body is a smooth spherical surface, and the light-transmitting cover is similar to a hemispherical surface on the whole.
Furthermore, the dynamically changeable starry sky projection device also comprises a control device, wherein the control device comprises a driving motor control unit, a light source control unit and a power supply management unit; the driving motor control unit is used for controlling the driving motor to run or stop or regulate the rotating speed; the light source control unit is used for controlling the first light source to be in a circular dynamic state of normally on or off or changing colors or gradually on and gradually off and/or controlling the second light source to be in a circular dynamic state of normally on or off or gradually on and gradually off; the power supply management unit supplies power to the projection device through an external power supply or a built-in rechargeable battery of the power supply interface.
Furthermore, the control device also comprises a Bluetooth connection unit, an audio processing unit, an infrared remote control unit and a control button; the Bluetooth connecting unit is used for connecting peripheral equipment with Bluetooth functions, such as a computer, a smart phone and the like; the audio processing unit is used for processing the audio digital signals, so that the starry sky projection device can play music and create a better atmosphere by matching with a projection light effect; the infrared remote control unit is used for receiving remote control signals sent by an infrared remote controller of the peripheral equipment.
Furthermore, the dynamically changeable starry sky projection device further comprises a loudspeaker for playing music matched with atmosphere creation.
Furthermore, the dynamically changeable starry sky projection device further comprises a plurality of projection combination modes, wherein each projection combination mode is a free combination of the first light source, the second light source and the driving motor in a control state, and switching control among different projection combination modes is realized through the control device.
The utility model provides a pair of star sky projection arrangement that can change dynamically, its beneficial effect lies in:
1. the light path of the first projection assembly is provided with the light reflecting bowl which is provided with the diffuse reflection surface and can rotate and move, light emitted by the first light source is reflected to the light-transmitting cover through the light reflecting bowl and then projected to one surface to present a changeable and gorgeous dynamic cloud effect, and the starlight projection lamp effect of the second projection assembly is combined to create a beautiful starry projection atmosphere indoors.
2. The utility model discloses but creatively adopt the reflector structure of rotary activity, can effectively reduce or avoid the phenomenon of inside light leak, improve projection light source's light utilization ratio simultaneously effectively, it is more energy-concerving and environment-protective.
3. Through controlling means, can let the user freely switch, select the projection light efficiency of liking, provide more projection effect selection for the user, promote user experience and feel.
Drawings
Fig. 1 is a cross-sectional view of a first projection assembly according to an embodiment of the present invention;
fig. 2 is an exploded view of a first projection assembly according to an embodiment of the present invention;
fig. 3 is an exploded view of the overall structure of the embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of the overall structure of an embodiment of the present invention;
in the above drawings, the reference numerals denote:
11-a first light source; 110-a ring-shaped lamp base; 12-a light reflecting bowl; 120-outer gear ring; 121-a reflector base; 122-a ball bearing; 13-a light transmissive cover; 14-a drive motor; 140-a gear; 15-a control device; 16-a loudspeaker; 21-a second light source; 22-a second light source diffraction plate; 31-a third light source; 32-a third light source diffraction plate; 100-a first housing; 200-a second housing; 300-fixed seat.
Detailed Description
The drawings are for illustrative purposes only and should not 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. 1-4, a dynamically changeable starry sky projection device includes a first projection assembly, where the first projection assembly includes a first light source 11, a rotatable and movable light reflecting bowl 12, and a light-transmitting cover 13 with a light refracting surface; the light emitted by the first light source 11 irradiates the light reflecting bowl 12, and the light is reflected and then passes through the light-transmitting cover 13, and is projected on a surface to present a cloud effect.
Further, the dynamically changeable starry sky projection device further comprises a second projection component, the second projection component comprises a second light source 21 and a second light source diffraction plate 22 arranged on the light path of the second light source 21, and light emitted by the second light source 21 is projected to a surface through the second light source diffraction plate 22 to show the effect of starlight point.
Further, the dynamically changeable starry sky projection device further includes a third projection component, the third projection component includes a third light source 31 and a third light source diffraction plate 32 disposed on the light path of the third light source 31, and the light emitted by the third light source 31 is projected onto a surface through the third light source diffraction plate 32, so that a projection effect of a fixed pattern can be presented.
Further, but dynamic change's starry sky projection arrangement still includes annular lamp stand 110, annular lamp stand 110 is located between printing opacity cover 13 and the reflector 12, and set up in the last edge of reflector 12, annular lamp stand 110 is still including being provided with towards the interior inclined plane of reflector 12, first light source 11 is by a plurality of paster lamp pearl equidistance paste dress and arrange into the light emitting source of round on the interior inclined plane of annular lamp stand, towards reflector 12 shines.
Further, the first light source 11 is an incoherent light source, and a projection light source can be provided for the first projection assembly by using a conventional full-color LED patch lamp bead; the second light source 21 is a coherent light source, and a laser can be used for providing a projection light source for the second projection assembly; the third light source 31 is also a coherent light source, and a laser may also be used to provide a projection light source for the third projection assembly.
Further, the dynamically changeable starry sky projection device further comprises a driving motor 14, the driving motor 14 is in transmission connection with the light reflecting bowl 12, when the light reflecting bowl 12 rotates under the transmission control of the driving motor 14, light emitted by the first light source 11 irradiates the light reflecting bowl 12, and the light is reflected and then penetrates through the light transmitting cover 13 to be projected on a surface to present a dynamically changeable cloud effect.
Further, the light reflecting bowl 12 is provided with an outer gear ring 120, the outer gear ring 120 is engaged with a gear 140 fixedly connected to a rotating shaft of the driving motor 14, so as to realize transmission connection between the driving motor 14 and the light reflecting bowl 12; the reflecting bowl 12 is a diffuse reflection surface on the coated reflecting surface, so that the light emitted by the first light source 11 is diffused and reflected and then passes through the light-transmitting cover 13.
Preferably, the diffuse reflection surface on the reflection bowl 12 is implemented by arranging convex hulls or concave pits or uneven lines or folds.
Preferably, in order to realize that the light reflecting bowl 12 can quietly and smoothly rotate under the transmission of the driving motor 14, the first projection assembly further comprises a light reflecting bowl base 121 and a ball 122; the reflecting bowl base 121 is fixedly connected with the second casing 200; the balls 122 are provided with 4 groups, and are respectively and symmetrically placed in 4 groups of ball grooves formed in the circular upper edge of the light reflecting bowl base 121 at equal intervals, and the ball grooves are respectively formed in four points of the circular upper edge of the light reflecting bowl base 131; the light reflecting bowl 12 is placed on the light reflecting bowl base 121, and the light reflecting bowl base 121 forms a support for the light reflecting bowl 12; the ball 122 is movably contacted with the upper edge of the light reflecting bowl 12, so as to reduce friction generated between the light reflecting bowl 12 and the light reflecting bowl base 121 during the rotating motion, and improve the efficiency of the rotating motion; the annular lamp holder 110 is disposed on the upper edge of the light reflecting bowl 12, and is fixedly connected to the light reflecting bowl base 121 to form a limiting encapsulation for the light reflecting bowl 12 and the ball 122, so as to prevent the light reflecting bowl 12 and the ball 122 from coming off.
Further, the light-transmitting cover 13 is provided with light refracting surfaces spliced with each other on the inner layer of the cover body, the outer layer of the cover body is a smooth spherical surface, and the light-transmitting cover 13 is similar to a hemispherical surface on the whole.
Further, the dynamically changeable starry sky projection device further comprises a control device 15, wherein the control device 15 comprises a driving motor control unit, a light source control unit and a power supply management unit; the driving motor control unit is used for controlling the driving motor 14 to run or stop or regulate the rotating speed; the light source control unit is used for controlling the first light source 11 to be in a circular dynamic state of normally on or off or changing colors or gradually turning on and off, and/or controlling the second light source 21 to be in a circular dynamic state of normally on or off or gradually turning on and off; and/or controlling the third light source 31 to be in a cycle dynamic of normally on or off or gradually on and gradually off; the power supply management unit supplies power to the projection device through an external power supply and/or a built-in rechargeable battery of the power supply interface.
Further, the control device 15 further comprises a bluetooth connection unit, an audio processing unit, an infrared remote control unit and a control button; the Bluetooth connecting unit is used for connecting peripheral equipment with Bluetooth functions, such as a computer, an intelligent mobile phone and the like; the audio processing unit is used for processing the audio digital signals, so that the starry sky projection device can play music and create a better atmosphere by matching with a projection light effect; the infrared remote control unit is used for receiving remote control signals sent by an infrared remote controller of the peripheral equipment.
Furthermore, the dynamically changeable starry sky projection device further comprises a loudspeaker 16 for playing music matched with atmosphere creation; the speaker 16 is fixed to the second housing 200.
Further, the dynamically changeable starry sky projection device further includes a plurality of projection combination modes, wherein each projection combination mode is a free combination of the first light source 11, the second light source 21, the third light source 31 and the driving motor 14 in a control state, and the control device 15 is used for realizing switching control among different projection combination modes.
Further, the dynamically changeable starry sky projection device further comprises a first shell 100, a second shell 200 and a fixed seat 300; the first housing 100 is provided with a first light source projection port, a second light source projection port and a third light source projection port, the translucent cover 13 is fixedly installed on the first light source projection port, the second light source diffraction plate 22 is fixedly installed on the second light source projection port, and the third light source diffraction plate 32 is fixedly installed on the third light source projection port; the second housing 200 is provided with an interface hole, a button hole and a sound outlet hole; the fixing base 300 is fixedly connected with the second housing 200, and the second light source 21 and the third light source 31 are fixedly installed on the fixing base 300.
Furthermore, the above description is for the realization of the present invention, and modifications, equivalent replacements or modifications, etc., without departing from the concept of the present invention, should be considered as belonging to the protection scope of the present invention.
Claims (10)
1. A starry sky projection device capable of dynamically changing is characterized by comprising a first projection assembly, wherein the first projection assembly comprises a first light source, a reflecting bowl capable of rotating and moving and a light-transmitting cover provided with a light refraction surface; the light emitted by the first light source irradiates the light reflecting bowl, is reflected and then penetrates through the light-transmitting cover, and is projected on a surface to show a cloud effect.
2. A dynamically variable starry sky projection arrangement as claimed in claim 1, further comprising a second projection module, said second projection module including a second light source and a diffraction plate disposed in the optical path of the second light source, wherein the light emitted from the second light source is projected through the diffraction plate onto a surface to exhibit the effect of a starlight spot.
3. The dynamically changeable starry sky projection device according to claim 1, further comprising an annular lamp holder, wherein the annular lamp holder is located between the light-transmitting cover and the light-reflecting bowl and is disposed on an upper edge of the light-reflecting bowl, the annular lamp holder further comprises an inner inclined plane facing the light-reflecting bowl, and the first light source is a light source which is formed by a plurality of patch lamp beads and is equidistantly attached to the inner inclined plane of the annular lamp holder and arranged in a circle, and irradiates towards the light-reflecting bowl.
4. The dynamically changeable starry sky projection device according to claim 1, further comprising a driving motor, wherein the driving motor is in transmission connection with the light reflecting bowl, when the light reflecting bowl rotates under the transmission control of the driving motor, the light emitted from the first light source irradiates the light reflecting bowl, and the light is reflected and then passes through the light-transmitting cover to be projected on a surface to present a dynamically changeable cloud effect.
5. A dynamically changeable starry sky projection device as claimed in claim 4, wherein the light reflecting bowl is provided with an outer gear ring, and the outer gear ring is engaged with a gear fixedly connected to a rotating shaft of the driving motor, so that the driving connection between the driving motor and the light reflecting bowl is realized.
6. A dynamically changeable starry sky projection device as claimed in claim 1 or 5, wherein the reflective bowl is configured as a diffuse reflective surface on the coated reflective surface, such that light emitted from the first light source is diffusely reflected and then passes through the transparent cover.
7. A dynamically variable starry sky projection arrangement as claimed in claim 6, wherein the diffuse reflection surfaces on the reflector are implemented by providing convex hulls or concave pits or uneven patterns or corrugations.
8. A dynamically changeable starry sky projection device as claimed in claim 1, wherein the light-transmissive cover has light refracting surfaces which are spliced with each other on an inner layer of the cover, and the outer layer of the cover is a smooth spherical surface, and the light-transmissive cover is generally hemispherical.
9. A dynamically changeable starry sky projection device as claimed in claim 1, further comprising a control device, wherein the control device comprises a driving motor control unit, a light source control unit and a power supply management unit; the driving motor control unit is used for controlling the driving motor to run or stop or regulate the rotating speed; the light source control unit is used for controlling the first light source to be in a circular dynamic state of normally on or off or changing colors or gradually on and gradually off and/or controlling the second light source to be in a circular dynamic state of normally on or off or gradually on and gradually off; the power supply management unit supplies power to the projection device through an external power supply or a built-in rechargeable battery of the power supply interface.
10. The star field projection device with dynamic change according to claim 1, wherein the star field projection device comprises a plurality of projection combination modes, wherein each projection combination mode is a free combination of the first light source, the second light source and the driving motor under the control state, and the control device is used for realizing the switching among different projection combination modes.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325395.8U CN213930755U (en) | 2021-02-03 | 2021-02-03 | Star projection device capable of being dynamically changed |
| US17/334,266 US20220243895A1 (en) | 2021-02-03 | 2021-05-28 | Projection Apparatus Illuminating With Cloud Effect |
| US17/386,784 US11221117B1 (en) | 2021-02-03 | 2021-07-28 | Projection apparatus illuminating with cloud effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325395.8U CN213930755U (en) | 2021-02-03 | 2021-02-03 | Star projection device capable of being dynamically changed |
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| Publication Number | Publication Date |
|---|---|
| CN213930755U true CN213930755U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120325395.8U Active CN213930755U (en) | 2021-02-03 | 2021-02-03 | Star projection device capable of being dynamically changed |
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| CN (1) | CN213930755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2021
- 2021-02-03 CN CN202120325395.8U patent/CN213930755U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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