CN114704785A

CN114704785A - Atmosphere profection lamp

Info

Publication number: CN114704785A
Application number: CN202210019015.7A
Authority: CN
Inventors: 许龙才
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-07-05

Abstract

The invention discloses an atmosphere projection lamp, comprising: the shell is provided with an accommodating space and a first projection port communicated with the accommodating space; the light reflecting bowl is accommodated in the accommodating space and comprises a cavity and a reflecting surface, and the reflecting surface is formed by inclining and extending; the driving motor drives the light reflecting bowl to rotate; the light-transmitting mirror is arranged at the first projection port; the light source assembly comprises a lamp bead and a light guide piece sleeved outside the lamp bead, wherein the light guide piece faces the reflecting surface, light passes through the light guide piece and the reflecting surface and then passes through the condensing lens after being reflected, so that the projected effect is clearer, and the dynamic effect is stronger.

Description

Atmosphere profection lamp

Technical Field

The invention relates to the technical field of projection devices, in particular to an atmosphere projection lamp.

Background

In the past, atmosphere projection devices have generally been applied to stage entertainment scenes. With the increasing demand for family entertainment or creation of specific projection atmospheres, the decorative lamp, which is a portable, small, low-power-consumption and multifunctional atmosphere projection device, is increasingly moving into people's home life. In such atmosphere projection apparatuses, the light pattern effect of the light of the projection apparatus is generally a light effect similar to a cloud or a flame or a water wave, and the dynamic change of the projection light effect is realized by an internal rotating mechanism.

Among the atmosphere projection apparatuses, there are film-type atmosphere projection apparatuses that print a pattern and light-effect-type atmosphere projection apparatuses that dynamically change light. The light effect type projection device 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, starfield projection Apparatus, discloses a projection method and Apparatus for realizing dynamic starry sky and cloud changing effects. The patent application with publication number CN107859962A discloses a projection device for simulating sky effect. The invention patent with publication number CN207796894U discloses a technical scheme for realizing a water wave projection effect by using water wave glass. The invention patent with publication number CN210891354U discloses a three-in-one starry sky lamp structure which adopts a water wave sheet and a crystal cover to realize a starry cloud effect. In addition, the patent of the invention with publication number CN201875625U discloses a structure of a light disc with a triangular prism-shaped light refraction surface and a light cover combination of the light refraction surface, which realizes a technical scheme of a stage lamp with dynamic cloud effect.

In order to realize the projection light effect of cloud or water wave, the common point of the technical scheme is that the sheet-shaped structure with light transmission effect such as ground glass or water wave sheets is adopted to realize 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 and then reach the projection surface; on the inner part assembly, 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 inner structure assemblies and most of the inner structure assemblies are in 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 feeling is influenced, the projection light cannot be efficiently utilized, and the energy conservation and environmental protection are not sufficient.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide an atmosphere projection lamp, which can not only achieve a cloud effect with clockwise and counterclockwise rotation, but also effectively improve the light utilization rate of projection light, effectively reduce or avoid the internal light leakage phenomenon, and improve the experience of users.

In order to solve the technical problems and achieve beneficial improvement effects, the invention adopts the following technical scheme:

an ambience projecting lamp comprising: the shell is provided with an accommodating space and a first projection port communicated with the accommodating space; the light reflecting bowl is accommodated in the accommodating space and comprises a cavity and a reflecting surface, and the reflecting surface is formed by inclining and extending; the driving motor drives the reflection bowl to rotate; the light-transmitting mirror is arranged at the first projection port; the light source assembly comprises a lamp bead and a light guide piece sleeved on the outer side of the lamp bead, the light guide piece faces the reflecting surface, and light rays penetrate through the light guide piece and penetrate through the condensing lens after being reflected by the reflecting surface.

Further, the light guide piece is contained in the cavity, the light emitted by the lamp beads is gathered by the light guide piece, and the reflecting surface is arranged around the light guide piece.

Further, the light reflecting bowl comprises a cavity and a hole communicated with the cavity from top to bottom, the light source assembly comprises a lamp panel and a lamp bead fixed on the lamp panel, the lamp panel protrudes upwards to extend into the hole, and the lamp bead is contained in the cavity.

Further, the light source subassembly is including being fixed in the mounting of lamp plate, leaded light spare is fixed in the mounting, the lamp pearl is located the lamp plate with between the leaded light spare.

Furthermore, the atmosphere projection lamp also comprises a second light source and a grating sheet positioned above the second light source, and light emitted by the second light source forms a plurality of light spots after passing through the grating sheet.

Further, the light reflecting bowl comprises a gear ring which extends downwards to form, the gear ring surrounds the opening, and the driving motor is matched with the gear ring.

An ambience projecting lamp comprising: the shell is provided with an accommodating space and a first projection port communicated with the accommodating space; the reflector is accommodated in the accommodating space and comprises a cavity and an uneven reflecting surface, and the reflecting surface is formed by extending in an inclined manner; the driving motor drives the light reflecting bowl to rotate;

a condenser lens mounted to the first projection port; and the light source assembly faces the reflecting surface, and light rays pass through the condensing lens after being reflected by the reflecting surface.

Further, the light source subassembly accept in the cavity, the plane of reflection centers on the light source subassembly sets up, the reflector include with the trompil of cavity intercommunication, the light source subassembly is protruding to be gone into the trompil.

Furthermore, the light source component comprises a first light source and a light guide column sleeved on the first light source, and the light guide column protrudes into the cavity of the reflecting bowl.

Furthermore, the light reflecting bowl comprises a hole communicated with the cavity, the light source assembly comprises a first light source and a light guide column sleeved on the first light source, and the light guide column protrudes into the hole.

The atmosphere projection lamp provided by the invention has the beneficial effects that:

1. a reflecting cup which is provided with a diffuse reflection surface and can rotate and move is adopted on the light path of the first projection assembly, so that the light emitted by the first projection assembly is projected on a surface, and a cloud effect of clockwise and anticlockwise bidirectional simultaneous rotation can be presented; specifically, in the projected optical patterns, part of the optical patterns rotate clockwise, part of the optical patterns rotate anticlockwise, the projected optical patterns rotating clockwise and anticlockwise are staggered with each other, and the projected optical patterns are shone and reflected, so that beautiful cloud-like projected optical effects are created.

2. In order to improve the cloud projection effect of the invention, the starry sky projection device is provided with the second projection component, the effect of projecting starry light points is achieved after the laser is diffracted by the grating sheet, and the effect of creating the starry sky projection is better by matching with the cloud light effect of clockwise and anticlockwise rotation at the same time.

3. The invention creatively adopts the structure of the reflection cup which can rotate and move, the positions of all structural parts of the first projection assembly are more compact, the light leakage phenomenon of internal scattering can be effectively reduced or avoided, the light utilization rate of projection light can be effectively improved, and the energy-saving and environment-friendly effects are achieved.

4. Through controlling means, the user can the independent assortment and switch the projection light efficiency, selects the projection effect of liking, provides more projection choices for the user, greatly promotes user experience and feels.

Drawings

FIG. 1 is a cross-sectional view of a first projection assembly according to a first embodiment of the present invention;

FIG. 2 is an exploded view of the first projection assembly of the first embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the overall structure of the first embodiment of the present invention;

FIG. 4 is an exploded view of the overall structure of the first embodiment of the present invention;

FIG. 5 is a perspective view of a second embodiment of the present invention;

FIG. 6 is a top view of FIG. 5;

fig. 7 is a sectional view taken along line B-B of fig. 6.

In the above drawings, the reference numerals denote:

the first embodiment: 11-a non-coherent light source; 12-a light guide; 120-a recessed space; 13-a light reflecting bowl; 130-outer gear ring; 131-a reflector base; 132-a ball bearing; 133-reflecting bowl cover ring; 14-a light transmissive cover; 15-a drive motor; 150-a drive gear; 16-a control device; 17-a loudspeaker; 21-a first coherent light source; 22-a first coherent light source grating; 31-a second coherent light source; 32-a second coherent light source grating sheet; 100-an upper shell; 101-a first projection port; 102-a second projection port; 103-a third projection port; 200-a lower housing; 300-a fixed mount.

Second embodiment: a light reflecting bowl 1; a cavity 11; a reflective surface 12; an opening 13; a ring gear 14; a light source assembly 2; a lamp panel 21; a first plate 211; a second plate 212; a light source element 22; a fixing member 221; a lamp bead 222; the light guide 223.

Detailed Description

The drawings are for illustration 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 below with reference to the accompanying drawings. Other embodiments, which can be obtained by a person skilled in the art without inventive step, are also within the scope of the invention.

In the embodiments of the present invention, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a manner of fixing by bolts, pins, sliding fasteners, or welding or bonding, or a manner of connecting by rotating shafts, which is commonly used in the prior art. Therefore, details are not described in the present embodiment.

Example 1

Referring to fig. 1-4, an ambience projecting lamp according to a first embodiment of the present invention includes an upper housing 100, a lower housing 200, a first projection assembly, a second projection assembly, a control device 16, a fixing frame 300, and a speaker 17; the first projection assembly comprises at least one incoherent light source 11, a light guide 12, a reflecting bowl 13 capable of rotating and moving, a light-transmitting cover 14 and a driving motor 15; the second projection component comprises a first coherent light source 21 and a first coherent light source grating sheet 22 arranged on the light path of the first coherent light source 21; the incoherent light source 11, the first coherent light source 21, the driving motor 15 and the loudspeaker 17 are all electrically connected with the control device 16; the light reflecting bowl 13 is driven by the driving motor 15 to rotate, so that light emitted by the first projection assembly is projected onto a surface, and a cloud effect of simultaneous forward and backward rotation can be achieved; the light emitted by the second projection component is diffracted by the grating sheet and then projected to a surface, and the effect of starlight point can be shown.

Further, the atmosphere projection apparatus further includes a third projection component, the third projection component includes a second coherent light source 31 and a second coherent light source grating 32 disposed on the light path of the second coherent light source 31, and the light emitted from the second coherent light source 31 passes through the second coherent light source grating 32 and is projected onto a surface to present a fixed projection pattern effect.

Further, the incoherent light source 11 adopts a full-color LED as a light emitting source; the first coherent light source 21 and the second coherent light source 31 both use a laser as a light source.

Further, the central points of the incoherent light source 11, the light guide 12, the light reflecting bowl 13 and the light-transmitting cover 14 are all located on the same projection optical axis.

Further, the light guide 12 is a convex cylinder, and an inverted cone-shaped concave space 120 is arranged at one end far away from the light source; the light guide part 12 covers the incoherent light source 11, penetrates through a round hole formed in the center of the bottom of the light reflecting bowl 13, and guides light rays of the incoherent light source 11 to uniformly irradiate a coated light reflecting surface on the light reflecting bowl 13; the light guide 12 is made of high-transparency PC or transparent acrylic material.

Further, the reflecting bowl 13 includes a coated reflecting surface, a bottom circular hole and an outer gear ring 130, the coated reflecting surface is a diffuse reflecting surface, and the diffuse reflecting surface is realized by arranging convex hulls, concave hulls, corrugated lines or uneven surfaces; 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 driving gear 150 fixedly connected to a rotating shaft of the driving motor 15, so that the driving motor 15 can be in transmission connection with the light reflecting bowl 13.

Further, the first projection assembly further comprises a light reflecting bowl base 131, a ball 132 and a light reflecting bowl cover ring 133; the reflecting bowl base 131 is fixedly connected with the lower shell 200; the incoherent light source 11 is arranged on the bottom of the light reflecting bowl base 131; the four groups of balls 132 are respectively placed in four groups of ball grooves formed in the circular upper edge of the light reflecting bowl base 131, and the ball grooves are respectively formed in four equal points of the circular upper edge of the light reflecting bowl base 131; the light reflecting bowl 13 is mounted on the light reflecting bowl base 131, the light reflecting bowl base 131 forms a holding support for the light reflecting bowl 13, and one end of the bottom of the light reflecting bowl base 131 is provided with an opening for the meshing connection of an outer gear ring 130 of the light reflecting bowl 13 and a driving gear 150 of a driving motor 15; the round edge of the light reflecting bowl 13 is in rotary movable contact with the ball 132 to reduce friction between the light reflecting bowl 13 and the light reflecting bowl base 131 during rotary motion; the reflector cover ring 133 is fixedly installed on the upper edge of the reflector base 131 to form a limit cover for the reflector 13 and the balls 132, so as to prevent the reflector 13 and the balls 132 from coming off.

Further, the light-transmitting cover 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 control device 16 includes 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 motor control module is used for controlling the driving motor 15 to run or stop or regulate the rotating speed; the light source control module is used for controlling the incoherent light source 11 and/or the first coherent light source 21 and/or the second coherent light source 31 to be in a cycle dynamic state of normally on or off or switching colors 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 starry sky 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 starry sky projection device through an external power supply or a built-in lithium battery of the power supply interface.

Further, the upper housing 100 includes a first projection port 101, a second projection port 102 and a third projection port 103, the light-transmitting cover 14 is fixedly installed on the first projection port 101, the first coherent light source grating 22 is fixedly installed on the second projection port 102, and the second coherent light source grating 32 is fixedly installed on the third projection port 103.

Further, the lower housing 200 includes an interface hole, a button hole, and a sound outlet hole; the reflector base 131, the driving motor 15, the control device 16, the fixing frame 300 and the speaker 17 are all fixedly mounted on the lower casing 200, and the first coherent light source 21 and the second coherent light source 31 are fixedly mounted on the fixing frame 300.

Further, the ambience projection apparatus includes a plurality of projection combination manners, wherein each projection combination manner is a free combination of the incoherent light source 11, the first coherent light source 21, the second coherent light source 31 and the driving motor 15 under the control state, and the control device 16 is used for realizing the combination or switching among different projection combination manners.

As shown in fig. 5 to 7, the ambience projection device of the second embodiment is substantially the same as that of the first embodiment, and the second embodiment differs from the first embodiment in that: the light reflecting bowl 1 comprises a cavity 11, an uneven reflecting surface 12 formed on the inner surface of the cavity 11, an opening 13 communicated with the cavity 11 and a gear ring 14 surrounding the cavity, wherein the light source component 2 protrudes upwards into the opening 13, and the reflecting surface 12 surrounds the light source component 2. The light source assembly 2 includes a lamp panel 21 and a light source 22 fixed to the lamp panel 21. The lamp panel 21 includes a first plate 211 and a second plate 212 fixed to the first plate 211, the first plate 211 is located below the opening 13, and the second plate 212 protrudes into the opening 13. The light source device 2 includes a fixing device 221, and a light guide device 223 fixed on the fixing device 221 and provided with a lamp bead 222 sleeved on the outer side of the lamp bead 222. The fixing member 221 is fixed to the second plate 212, and the lamp bead 222 protrudes into the groove of the fixing member 221 and extends into the groove of the light guide member 223, that is, the lamp bead 222 is located between the lamp panel 21 and the light guide member 223. In this embodiment, the light guide 223 is a condensing lens, which has a condensing effect on light and increases brightness, the reflecting surface 12 may be disposed on the inner surface of the cavity 11, at this time, the coating of the light reflecting bowl 1 may be disposed on the reflecting surface 12, and after the light irradiates the reflecting surface 12, the light passes through the light-transmitting mirror after being reflected/refracted by the reflecting surface 12. Of course, the reflecting surface 12 may also be disposed around the cavity 11, that is, the plating layer is disposed on the outer surface of the body forming the cavity 11, and when the light passes through the body forming the cavity 11, the light is reflected/refracted by the outer surface of the body and then passes through the condensing lens.

Modifications, equivalents, variations, and the like which may occur to those skilled in the art without departing from the spirit of the invention are to be considered as within the scope of the invention.

Claims

1. An ambience projecting lamp, comprising:

the shell is provided with an accommodating space and a first projection port communicated with the accommodating space;

the light reflecting bowl is accommodated in the accommodating space and comprises a cavity and a reflecting surface, and the reflecting surface is formed by inclining and extending;

the driving motor drives the light reflecting bowl to rotate;

the light-transmitting mirror is arranged at the first projection port;

the light source assembly comprises a lamp bead and a light guide piece sleeved on the outer side of the lamp bead, the light guide piece faces the reflecting surface, and light rays penetrate through the light guide piece and penetrate through the condensing lens after being reflected by the reflecting surface.

2. The ambience projecting lamp of claim 1, wherein: the light guide piece is contained in the cavity, the light emitted by the lamp beads is gathered by the light guide piece, and the reflecting surface surrounds the light guide piece.

3. An ambience projecting lamp as claimed in claim 2, wherein: the light source assembly comprises a lamp panel and a lamp bead fixed on the lamp panel, the lamp panel protrudes upwards to extend into the opening, and the lamp bead is contained in the cavity.

4. The ambience projecting lamp of claim 3, wherein: the light source subassembly is including being fixed in the mounting of lamp plate, leaded light spare is fixed in the mounting, the lamp pearl is located the lamp plate with between the leaded light spare.

5. An ambience projector lamp as claimed in any one of claims 1 to 4, wherein: the atmosphere projection lamp further comprises a second light source and a grating sheet located above the second light source, and light emitted by the second light source forms a plurality of light spots after passing through the grating sheet.

6. An ambience projector lamp as claimed in any one of claims 1 to 4, wherein: the light reflecting bowl comprises a gear ring which extends downwards to form, the gear ring surrounds the opening, and the driving motor is matched with the gear ring.

7. An ambience projecting lamp, comprising:

the reflector is accommodated in the accommodating space and comprises a cavity and an uneven reflecting surface, and the reflecting surface is formed by extending in an inclined manner;

the driving motor drives the light reflecting bowl to rotate;

a condenser lens mounted to the first projection port;

and the light source assembly faces the reflecting surface, and light rays pass through the condensing lens after being reflected by the reflecting surface.

8. The ambience projecting lamp of claim 7, wherein: the light source assembly is contained in the cavity, the reflecting surface surrounds the light source assembly, the reflecting bowl comprises a hole communicated with the cavity, and the light source assembly protrudes into the hole.

9. The ambience projecting lamp of claim 7, wherein: the light source assembly comprises a first light source and a light guide column sleeved on the first light source, and the light guide column extends into the cavity of the reflecting bowl in a protruding mode.

10. The ambience projecting lamp of claim 9, wherein: the light reflecting bowl comprises a hole communicated with the cavity, the light source assembly comprises a first light source and a light guide column sleeved on the first light source, and the light guide column stretches into the hole.