CN213930754U - Projection device with clockwise and anticlockwise bidirectional rotation dynamic effect - Google Patents
Projection device with clockwise and anticlockwise bidirectional rotation dynamic effect Download PDFInfo
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- CN213930754U CN213930754U CN202120325393.9U CN202120325393U CN213930754U CN 213930754 U CN213930754 U CN 213930754U CN 202120325393 U CN202120325393 U CN 202120325393U CN 213930754 U CN213930754 U CN 213930754U
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Abstract
The utility model relates to the technical field of projection lamps, in particular to a projection device with a forward and backward bidirectional rotation dynamic effect, which comprises a first projection component, wherein the first projection component comprises a first projection light source, a light guide piece, a reflective cup capable of rotating and moving, a light transmission refraction piece and a motor for driving the reflective cup to rotate and move; the light emitted by the first projection light source is guided by the light guide piece to irradiate on the reflection cup which rotates and moves under the driving action of the motor, the light is reflected and then passes through the light-transmitting refraction piece to be finally projected on the surface, and projection light patterns with a forward and backward bidirectional rotation dynamic effect can be presented, and the light patterns are projection light effects similar to clouds or water patterns. The utility model discloses a creatively adopts rotatable activity and has the reflection of light cup structure of diffuse reflection face, can effectively reduce or avoid the phenomenon of inside light leak, improves projection light'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 projection arrangement with two-way rotatory dynamic effect of cisoid.
Background
In the past, atmosphere projection lamps have generally been applied to stage entertainment scenes. With the increasing demand for family entertainment or creation of specific projection atmospheres, the portable, small, low-power-consumption and multifunctional atmosphere projection lamp, namely the decorative lamp, increasingly enters the family life of people. In the atmosphere projection lamps, the light pattern effect of projection light is generally light effect similar to cloud or flame or water ripple, and dynamic change of the projection light effect is realized through an internal rotating mechanism.
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 light effect type projection lamp does not need a projection film printed in advance, and can be realized through light transmission refraction, interference, reunion and the like of light rays.
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 component with cloud or water wave lighting effect, in the technical scheme disclosed above, the common point is that the projection component adopts a sheet structure with light transmission effect such as ground glass or water wave sheets, and realizes irregular refraction of 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 lamp) 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 projection arrangement with in same direction as contrary two-way rotatory dynamic effect can enough realize having in same direction as contrary two-way rotatory dynamic projection light line effect, also can improve the light utilization ratio of projection light effectively, reduces or avoids inside light leak phenomenon effectively, 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 projection device with a forward and backward bidirectional rotation dynamic effect comprises a first projection assembly, wherein the first projection assembly comprises a first projection light source, a light guide part arranged on the first projection light source, a reflection cup capable of rotating and moving, a light-transmitting refraction part and a motor for driving the reflection cup to rotate and move; the light emitted by the first projection light source is guided by the light guide piece to irradiate on the reflection cup which rotates and moves under the driving action of the motor, the light is reflected and then passes through the light-transmitting refraction piece to be finally projected on the surface, and projection light patterns with a forward and backward bidirectional rotation dynamic effect can be presented, and the light patterns are projection light effects similar to clouds or water patterns.
Furthermore, the projection device with the forward and backward bidirectional rotation dynamic effect further comprises a control PCB, wherein the control PCB comprises a motor control module, a light source control module, a Bluetooth connection module, an audio processing module, an infrared remote control module and a power supply management module; the first projection light source and the motor are electrically connected with the control PCB; the motor control module is used for controlling the motor to run or stop or regulate the rotating speed; the light source control module is used for controlling the first projection light source to be in a circular dynamic state of normally on or off or color switching or gradually on and gradually off; the Bluetooth connection module is used for connecting peripheral equipment with a Bluetooth function; the audio processing module is used for processing the audio digital signals so that the projection device can play music at the same time; the infrared remote control module is used for receiving remote control signals sent by an external infrared remote controller; the power supply management module supplies power to the projection device through an external power supply or a built-in rechargeable battery of the power interface.
Furthermore, the light guide part is a convex cylindrical body, and a concave space of an inverted cone is arranged at one end far away from the light source; the light guide piece penetrates out of a bottom round hole formed in the reflecting cup and guides the light of the first projection light source to uniformly irradiate towards the inner surface of the reflecting cup; the light guide piece is made of high-transparency PC or transparent acrylic materials.
Furthermore, the reflecting cup is provided with a bottom round hole, an outer gear ring and an inner coating reflecting surface; the bottom round hole is used for the light guide part to penetrate out; the outer gear ring is used for being meshed with a gear fixedly connected to the motor rotating shaft, so that the reflection cup can be in transmission connection with the motor; the inner film-coated reflecting surface is a diffuse reflection surface which is realized by arranging fold-shaped lines or an uneven surface.
Furthermore, the light-transmitting refraction piece is hemispherical, and at least one of the inner surface and the outer surface is a refraction surface formed by mutually splicing polygonal cutting surfaces.
Furthermore, the central points of the first projection light source, the light guide member, the reflecting cup and the light-transmitting refraction member are all located on the same central axis.
Furthermore, the projection device with the clockwise and anticlockwise bidirectional rotation dynamic effect further comprises a second projection assembly, the second projection assembly comprises a second projection light source and a diffraction piece arranged on a second projection light source light path, and light emitted by the second projection light source penetrates through the diffraction piece and is projected onto a surface to show the effect of starlight point.
Furthermore, the first projection light source is an incoherent light source, and a full-color LED is adopted as a projection light source of the first projection assembly; the second projection light source is a coherent light source, and a laser is used as a projection light source of the second projection assembly.
Further, the second projection light source is also electrically connected with the control PCB, and the second projection light source can be selected to be in a circular dynamic state of normally on or off or gradually on and gradually off under the control of the light source control module.
Further, the projection device with the clockwise and anticlockwise bidirectional rotating dynamic effect further comprises a loudspeaker, wherein the loudspeaker is electrically connected with the control PCB and used for playing music matched with atmosphere creation.
Furthermore, the projection device with the forward and backward bidirectional rotation dynamic effect comprises a plurality of projection combination modes, wherein each projection combination mode is a free combination of the first projection light source, the second projection light source and the motor under a control state, and the switching among different projection combination modes is realized by controlling the PCB.
The utility model provides a pair of projection arrangement with two-way rotatory dynamic effect of cisoid, its beneficial effect lies in:
1. a light reflecting cup with a diffuse reflection surface is arranged on a light path of the first projection assembly, and light rays emitted by the first projection light source are reflected to the light-transmitting refraction piece through the light reflecting cup and then projected to a surface to simultaneously present a projection light pattern effect with forward and reverse bidirectional rotation dynamics; specifically, in the projection optical patterns, part of the optical patterns rotate clockwise, part of the optical patterns rotate anticlockwise, the projection optical patterns rotating clockwise and anticlockwise are mutually staggered, and the projection optical patterns are reflected mutually to create beautiful projection optical effects; by switching the colors of the projection light, the projection light effect can be similar to cloud color, water wave or flame.
2. For increasing the utility model discloses a projection light line effect, projection arrangement is provided with second projection subassembly, adopts the laser instrument behind the diffraction effect of diffraction piece, and the effect of star point is gone out in the projection, and the cooperation is in the same direction as contrary two-way rotatory dynamic projection light efficiency, and the effect of building the atmosphere is better.
3. The utility model discloses but creatively adopt the anti-light cup structure of rotary activity, can effectively reduce or avoid the phenomenon of inside light leak, can improve projection light's light utilization ratio simultaneously effectively, it is more energy-concerving and environment-protective.
4. Through controlling PCB, the user can freely open and switch the projection lamp effect, selects the projection effect of liking, provides more projection options for the user, promotes user experience greatly and feels.
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 a schematic cross-sectional view of the overall structure of an embodiment of the present invention;
fig. 4 is an exploded view of the overall structure of the embodiment of the present invention;
in the above drawings, the reference numerals denote:
11-a first projection light source; 12-a light guide; 120-a recessed space; 13-a light-reflecting cup; 130-outer gear ring; 131-a reflector base; 132-a ball bearing; 133-the cover of the reflector cup is closed; 14-a light-transmissive refractive element; 15-a motor; 150-gear; 16-a control PCB; 17-a loudspeaker; 21-a second projection light source; 22-a second projection light source diffraction plate; 31-a third projection light source; 32-a third projection light source diffraction plate; 100-a first housing; 101-a first projection port; 102-a second projection port; 103-a third projection port; 200-a second housing; 300-fixing the bracket.
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. 1-4, a projection apparatus with a forward and backward bidirectional rotation dynamic effect includes a first projection assembly, where the first projection assembly includes a first projection light source 11, a light guide 12 installed on the first projection light source 11, a reflective cup 13 capable of rotating and moving, a light-transmitting refraction member 14, and a motor 15 for driving the reflective cup 13 to rotate and move; the light emitted by the first projection light source 11 is guided by the light guide member 12 to irradiate on the reflection cup 13 which rotates and moves under the driving action of the motor 15, the light is reflected and then passes through the light transmission refraction member 14 to be finally projected on a surface, and projection light patterns with a forward and backward bidirectional rotation dynamic effect can be presented, wherein the projection light effects are similar to cloud or water patterns.
Furthermore, the projection device with the forward and backward bidirectional rotation dynamic effect further comprises a control PCB16, wherein the control PCB16 comprises a motor control module, a light source control module, a bluetooth connection module, an audio processing module, an infrared remote control module and a power supply management module; the first projection light source 11 and the motor 15 are electrically connected with the control PCB 16; the motor control module is used for controlling the motor 15 to run or stop or regulate the rotating speed; the light source control module is used for controlling the first projection light source 11 to be in a circular dynamic state of normally on or off or color switching or gradually on and gradually off; the Bluetooth connection module is used for connecting peripheral equipment with a Bluetooth function; the audio processing module is used for processing the audio digital signals so that the projection device can play music at the same time; the infrared remote control module is used for receiving remote control signals sent by an external infrared remote controller; the power supply management module supplies power to the projection device through an external power supply or a built-in rechargeable battery of the power interface.
Further, the light guide 12 is a convex cylindrical body, and an inverted cone-shaped concave space 120 is arranged at one end far away from the light source; the light guide part 12 penetrates out of a bottom round hole formed in the reflecting cup 13 and guides the light of the first projection light source 11 to uniformly irradiate towards the inner surface of the reflecting cup 13; the light guide 12 is made of high-transparency PC or transparent acrylic material.
Further, the reflecting cup 13 is provided with a bottom circular hole, an outer gear ring 130 and an inner coated reflecting surface; the bottom circular hole is used for the light guide part 12 to penetrate out; the outer gear ring 130 is used for being meshed with a gear 150 fixedly connected to a rotating shaft of the motor 15, so that the reflection cup 13 can be in transmission connection with the motor 15; the inner film-coated reflecting surface is a diffuse reflection surface which is realized by arranging fold-shaped lines or an uneven surface.
Preferably, in order to realize quiet and smooth rotation of the reflector cup 13 driven by the motor 15, the first projection assembly further comprises a reflector cup base 131, balls 132 and a reflector cup cover ring 133; the reflective cup base 131 is fixedly connected with the second shell 200; the first projection light source 11 is arranged on the reflecting cup base 131; the balls 132 are provided with 4 groups and respectively placed in 4 groups of ball grooves formed in the circular upper edge of the reflective cup base 131, and the ball grooves are respectively formed in four points of the circular upper edge of the reflective cup base 131; the reflecting cup 13 is placed on the reflecting cup base 131, and the reflecting cup base 131 forms a support for the reflecting cup 13; the edge of the reflecting cup 13 is movably contacted with the ball 132, so that the friction between the reflecting cup 13 and the reflecting cup base 131 during the rotary motion is reduced, and the efficiency of the rotary motion is improved; the reflective cup cover ring 133 is fixedly installed on the upper edge of the reflective cup base 131 to form a limiting cover for the reflective cup 13 and the balls 132, so that the reflective cup 13 and the balls 132 are prevented from coming off.
Further, the light-transmitting refraction member 14 is hemispherical, and at least one of the inner and outer surfaces is a refraction surface formed by mutually splicing polygonal cutting surfaces.
Further, the central points of the first projection light source 11, the light guide member 12, the reflective cup 13 and the light transmission refraction member 14 are all located on the same central axis.
Further, the projection apparatus with the clockwise and anticlockwise bidirectional rotation dynamic effect further comprises a second projection assembly, the second projection assembly comprises a second projection light source 21 and a second projection light source diffraction plate 22 arranged on a light path of the second projection light source 21, and light emitted by the second projection light source 21 is projected to a surface through the second projection light source diffraction plate 22 to present an effect of a starlight point.
Further, the projection apparatus with the clockwise and anticlockwise bidirectional rotation dynamic effect further comprises a third projection assembly, the third projection assembly comprises a third projection light source 31 and a third projection light source diffraction plate 32 arranged on the light path of the third projection light source 31, and light emitted by the third projection light source 31 is projected to a surface through the third projection light source diffraction plate 32 to present a light effect of a fixed projection pattern.
Preferably, the first projection light source 11 is an incoherent light source, and a full-color LED is used as a projection light source of the first projection assembly; the second projection light source 21 is a coherent light source, and a laser is used as a projection light source of the second projection assembly; the third projection light source 31 is also a coherent light source, and a laser may also be used as the projection light source of the third projection assembly.
Further, the second projection light source 21 and the third projection light source 31 are also electrically connected to the control PCB16, and the second projection light source 21 and the third projection light source 31 can be selected to be in a cyclic dynamic state of normally on or off or gradually on and gradually off under the control of the light source control module.
Further, the projection device with the clockwise and anticlockwise bidirectional rotation dynamic effect further comprises a loudspeaker 17, wherein the loudspeaker 17 is electrically connected with the control PCB16 and used for playing music for matching and creating atmosphere.
Further, the projection device with the clockwise and anticlockwise rotation dynamic effect comprises a plurality of projection combination modes, wherein each projection combination mode is a free combination of the first projection light source 21, the second projection light source 21, the third projection light source 31 and the motor 15 in a control state, and switching among different projection combination modes is realized by controlling the PCB 16.
Further, the projection device with the forward and backward bidirectional rotation dynamic effect further comprises a first shell 100, a second shell 200 and a fixed bracket 300; the first casing 100 is provided with a first projection port 101, a second projection port 102 and a third projection port 103, the light-transmitting refraction member 14 is fixedly installed on the first projection port 101, the second projection light source diffraction piece 22 is fixedly installed on the second projection port 102, and the third projection light source diffraction piece 32 is fixedly installed on the third projection port 103; the second housing 200 is provided with an interface hole, a button hole and a sound outlet hole; the fixing bracket 300 is fixedly connected to the second housing 200, and the second projection light source 21 and the third projection light source 31 are fixedly mounted on the fixing bracket 300.
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 projection device with a forward and backward bidirectional rotation dynamic effect is characterized by comprising a first projection assembly, wherein the first projection assembly comprises a first projection light source, a light guide part arranged on the first projection light source, a reflection cup capable of rotating and moving, a light-transmitting refraction part and a motor for driving the reflection cup to rotate and move; the light emitted by the first projection light source is guided by the light guide piece to irradiate on the reflection cup which rotates and moves under the driving action of the motor, the light is reflected and then passes through the light-transmitting refraction piece to be finally projected on the surface, and projection light patterns with a forward and backward bidirectional rotation dynamic effect can be presented, and the light patterns are projection light effects similar to clouds or water patterns.
2. The projection device with the forward and backward bidirectional rotation dynamic effect as claimed in claim 1, further comprising a control PCB, wherein the control PCB comprises a motor control module, a light source control module, a bluetooth connection module, an audio processing module, an infrared remote control module and a power supply management module; the first projection light source and the motor are electrically connected with the control PCB; the motor control module is used for controlling the motor to run or stop or regulate the rotating speed; the light source control module is used for controlling the first projection light source to be in a circular dynamic state of normally on or off or color switching or gradually on and gradually off; the Bluetooth connection module is used for connecting peripheral equipment with a Bluetooth function; the audio processing module is used for processing the audio digital signals so that the projection device can play music at the same time; the infrared remote control module is used for receiving remote control signals sent by an external infrared remote controller; the power supply management module supplies power to the projection device through an external power supply or a built-in rechargeable battery of the power interface.
3. The device as claimed in claim 1, wherein the light guide member is a convex cylinder, and an inverted cone-shaped concave space is disposed at an end away from the light source; the light guide piece penetrates out of a bottom round hole formed in the reflecting cup and guides the light of the first projection light source to uniformly irradiate towards the inner surface of the reflecting cup; the light guide piece is made of high-transparency PC or transparent acrylic materials.
4. The projection device with the dynamic effect of clockwise and anticlockwise rotation as claimed in claim 1, wherein said reflective cup is provided with a bottom circular hole, an outer gear ring and an inner coated reflective surface; the bottom round hole is used for the light guide part to penetrate out; the outer gear ring is used for being meshed with a gear fixedly connected to the motor rotating shaft, so that the reflection cup can be in transmission connection with the motor; the inner film-coated reflecting surface is a diffuse reflection surface which is realized by arranging fold-shaped lines or an uneven surface.
5. The apparatus as claimed in claim 1, wherein the light-transmissive refraction member is semi-spherical, and at least one of the inner and outer surfaces is a refraction surface formed by joining polygonal cutting surfaces.
6. The apparatus as claimed in claim 1, wherein the first projection light source, the light guide member, the light reflecting cup and the light transmissive/refractive member are all disposed on a same central axis.
7. The projection apparatus with clockwise and counterclockwise rotational dynamic effects as claimed in claim 1, further comprising a second projection module, wherein the second projection module includes a second projection light source and a diffraction plate disposed on the optical path of the second projection light source, and the light emitted from the second projection light source is projected through the diffraction plate onto a surface to exhibit the effect of a star point.
8. The projection apparatus with forward and backward rotation dynamic effects as claimed in claim 7, wherein the second projection light source is also electrically connected to the control PCB, and the second projection light source can be selectively in a cycle of being turned on or off or being turned on or off gradually under the control of the light source control module.
9. The projection apparatus with clockwise and counterclockwise rotational dynamic effects as claimed in claim 1, further comprising a speaker electrically connected to the control PCB for playing music cooperating with creating atmosphere.
10. The projection apparatus with the dynamic effect of clockwise and counterclockwise rotation as claimed in claim 1, wherein the projection apparatus includes a plurality of projection combinations, each of the projection combinations is a free combination of the first projection light source, the second projection light source and the motor control status, and the control PCB is used to switch between the different projection combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325393.9U CN213930754U (en) | 2021-02-03 | 2021-02-03 | Projection device with clockwise and anticlockwise bidirectional rotation dynamic effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325393.9U CN213930754U (en) | 2021-02-03 | 2021-02-03 | Projection device with clockwise and anticlockwise bidirectional rotation dynamic effect |
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| CN213930754U true CN213930754U (en) | 2021-08-10 |
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| CN202120325393.9U Active CN213930754U (en) | 2021-02-03 | 2021-02-03 | Projection device with clockwise and anticlockwise bidirectional rotation dynamic effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198704A (en) * | 2022-01-18 | 2022-03-18 | 拓客(广州)生活科技有限公司 | Atmosphere projecting lamp |
| CN114992531A (en) * | 2022-06-02 | 2022-09-02 | 淮阴工学院 | Internal atmosphere lamp |
-
2021
- 2021-02-03 CN CN202120325393.9U patent/CN213930754U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198704A (en) * | 2022-01-18 | 2022-03-18 | 拓客(广州)生活科技有限公司 | Atmosphere projecting lamp |
| CN114198704B (en) * | 2022-01-18 | 2024-04-19 | 广东时光生活科技有限公司 | Atmosphere projection lamp |
| CN114992531A (en) * | 2022-06-02 | 2022-09-02 | 淮阴工学院 | Internal atmosphere lamp |
| CN114992531B (en) * | 2022-06-02 | 2024-02-23 | 淮阴工学院 | Internal atmosphere lamp |
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