Novel starry sky lamp

Abstract

The utility model belongs to the technical field of projection devices, and particularly relates to a novel starry sky lamp which comprises a base (1), a lamp body (2) arranged on the base and connected with the base, and a main light path assembly and a secondary light path assembly arranged in the lamp body. The main light path assembly comprises a main light source (3), and a condensing lens (4), a diverging lens (5), a lens (6) and a replaceable projection sheet which are sequentially arranged in front of the main light source (3); the secondary light path assembly comprises a secondary light source (7), and a gear assembly (8), a replaceable secondary projection sheet and a secondary diverging lens (9) which are sequentially arranged in front of the secondary light source (7); therefore, compared with the prior art, the starry sky lamp adopting the structure has the advantages that the projection sheet can be replaced so as to meet different requirements of customers; and meanwhile, the combination of the main light path and the secondary light path is adopted, so that the effect of moving starry sky is generated.

Description

Technical Field

[0001] The utility model relates to the technical field of projection devices, in particular to a starry sky lamp which is convenient for replacing projection films so as to meet different needs of customers. Background Art

[0002] Projection equipment such as projectors are widely used in workplaces or home environments. Among the projection equipment, there is a relatively unique product - a starry sky lamp, which can project the content on the slide onto a wall or a screen to produce a starry sky effect. In order to obtain a clear projection picture, Chinese patent CN101276523B discloses a starry sky projection device, which uses at least one incoherent light source and a coherent light source to superimpose the light path, thereby producing a moving starry sky and cloud-like effects. Although the projection device has a clear picture and high brightness, the projection presentation effect of the projection device is single, and the projection content cannot be changed, which cannot meet the diversified needs of users. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model aims to provide a new type of starry sky lamp.

[0004] The technical solution is: a new type of starry sky lamp, including a base, a lamp body arranged on and connected to the base, and a main light path component and a secondary light path component arranged in the lamp body; the main light path component includes a main light source, a focusing lens, a dimmer lens, a lens and a replaceable slide film arranged in front of it in sequence; the secondary light path component includes a secondary light source, a gear assembly, a secondary slide film and a secondary dimmer lens arranged in front of it in sequence.

[0005] Furthermore, the lamp body is provided with a bottom bracket, and also includes a mounting bracket arranged above the bottom bracket, a reflector provided on the mounting bracket, and a rotating disk provided in the reflector and coaxially arranged therewith.

[0006] Furthermore, the main light source includes a main light board fixed on the bottom bracket and a main LED lamp bead arranged thereon; a focusing lens is arranged on the main light board and located in front of the LED lamp bead; a diffuser lens is connected to the mounting bracket; the lens is a metal integrated wide-angle lens, and the reflective cover and the rotating disk are both mounted on the outside thereof; the projection film is located between the lens and the diffuser lens.

[0007] Furthermore, a drawer-type accommodating portion for placing replaceable slides is provided in the bottom bracket and located between the bottom bracket and the mounting bracket.

[0008] Furthermore, the secondary light source includes a secondary light board connected to the bottom bracket and a secondary LED lamp bead arranged thereon; the secondary projection film and the secondary diffusing lens are both located in front of the LED lamp bead; the gear assembly includes a motor arranged on the bottom bracket, a driving gear arranged on the bottom bracket and connected to the output end of the motor, a gear sheet arranged on the bottom bracket and a driven gear arranged thereon and meshing with the driving gear; the gear sheet is provided with two light-transmitting grooves respectively located on both sides of the driven gear and located on the same straight line, and when the gear sheet rotates, the two light-transmitting grooves pass in front of the secondary LED lamp bead.

[0009] Furthermore, it also includes a mounting plate for mounting the secondary projection film, which is arranged on the bottom bracket and located in front of the gear assembly. A mounting tube perpendicular to the mounting plate is provided on the mounting plate, and the secondary diffusing lens is installed in the mounting tube and located in front of the mounting plate.

[0010] Furthermore, a connecting cylinder coaxial with and connected to the mounting cylinder is provided on the edge of the mounting bracket, and a light-transmitting cylinder coaxial with the mounting cylinder is provided on the connecting cylinder; the opening of the light-transmitting cylinder is located at a through hole opened in the reflector.

[0011] Furthermore, the condensing lens is provided with a main connecting tube, and a main mounting tube for mounting a dioptric lens is provided at the end of the main connecting tube; the projection film is located in front of the main mounting tube; the condensing lens, the main connecting tube, the main mounting tube and the lens are coaxially arranged.

[0012] Furthermore, the base is hinged to the lamp body; a mounting portion is provided on the base, and also includes a transition portion, the lower portion of the transition portion is provided in the mounting portion and hinged thereto through a rotating shaft, and the upper portion of the transition portion is connected to the lamp body.

[0013] Furthermore, a sub-circuit board and a lithium battery and a speaker electrically connected thereto are provided in the base.

[0014] Technical effect: The starry sky lamp of the utility model includes a main light path component and a secondary light path component. The projection effect of the main light path component is clear, and the projection area of ​​the film can be increased. By replacing different slides made of films with glass or plastic as external carriers, it can meet the needs of customers for different scenes to use different slides; at the same time, through the secondary light path component, the light in the gear sheet with a light-transmitting groove overlaps with the replaceable projection film made of glass or plastic, and the formed light is emitted through the secondary astigmatism lens to form an image, which can be a meteor, a star, or other forms according to different films, so as to meet the different needs of different customers. Therefore, compared with the prior art, the starry sky lamp of the utility model can not only replace the slide to meet the different needs of customers; but also adopts the combination of the main light path and the secondary light path to produce the effect of a moving starry sky. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the starry sky lamp of an embodiment of the utility model;

[0016] Figure 2 A three-dimensional diagram of a starry sky lamp according to an embodiment of the present utility model;

[0017] Figure 3 A top view of a starry sky lamp according to an embodiment of the utility model;

[0018] Figure 4 This is a three-dimensional diagram of the internal structure of the starry sky lamp according to an embodiment of the utility model;

[0019] Figure 5 This is a three-dimensional diagram of the internal structure of the starry sky lamp of an embodiment of the utility model from another perspective;

[0020] Figure 6 This is a three-dimensional diagram of the internal structure of the starry sky lamp of an embodiment of the utility model from another perspective;

[0021] Figure 7 A three-dimensional diagram of the internal structure of the starry sky lamp according to an embodiment of the utility model;

[0022] Figure 8 A three-dimensional diagram of the internal structure of the starry sky lamp of an embodiment of the utility model from another perspective;

[0023] Fig. 9 This is a stereoscopic view of the local internal structure of the starry sky lamp according to an embodiment of the utility model from another perspective.

[0024] Figure markings: base-1, mounting part-101, lamp body-2, main light source-3, main lamp board-301, main LED lamp bead-302, focusing lens-4, astigmatism lens-5, lens-6, secondary light source-7, secondary lamp board-701, secondary LED lamp bead-702, gear assembly-8, motor-801, driving gear-802, gear sheet-803, light transmission groove-803a, driven gear-804, secondary astigmatism lens-9, bottom bracket-10, mounting bracket-11, reflective cover-12, rotating disk-13, mounting plate-14, mounting cylinder-15, connecting cylinder-16, light transmission cylinder-17, sub-circuit board-18, lithium battery-19, speaker-20, main connecting cylinder-21, main mounting cylinder-22, accommodating part-23, adapter part-24, transverse hole-2401. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation methods.

[0026] like Figure 1 , Figure 7-8As shown, the embodiment of the utility model provides a new type of starry sky lamp, which belongs to a projection device and is used to project the content on the slide onto a wall or a screen to produce a starry sky effect; it includes a base 1, a lamp body 2 arranged thereon and connected thereto, and a main light path component and a secondary light path component arranged in the lamp body; the main light path component includes a main light source 3, a focusing lens 4, a diffuser lens 5, a replaceable slide (not shown), and a lens 6 arranged in front of it in sequence; the secondary light path component includes a secondary light source 7, a gear assembly 8, a secondary slide (not shown), and a secondary diffuser lens 9 arranged in front of it in sequence; the secondary slide here can also be replaced, that is, different slides and secondary slides can be replaced according to needs. The slide and the secondary slide are both made of films with glass or plastic as the external carrier.

[0027] Here, the base 1 is hinged to the lamp body 2. It is convenient to adjust the angle of the starry sky lamp (lamp body) relative to the base at any angle, and then adjust the direction of projection. The specific hinge structure is: the base 1 is provided with a mounting portion 101 protruding from its surface, and also includes a transition portion 24, the lower part of the transition portion is arranged in the mounting portion and is hinged to it through a rotating shaft (not shown), and the upper part of the transition portion is connected to the lamp body 2; specifically, a notch is provided at the position of the lamp body 2 combined with the mounting portion, and a transverse hole 2401 for the rotation shaft to pass through is provided at the lower part of the transition portion.

[0028] like Figure 2-6 As shown, in order to install the main light path component and the secondary light path component in the lamp body, a bottom bracket 10 is provided in the lamp body 2, and also includes a mounting bracket 11 arranged above the bottom bracket, a reflective cover 12 arranged on the mounting bracket, and a rotating disk 13 arranged in the reflective cover and coaxially therewith.

[0029] Specifically, in this embodiment, Figure 7 As shown, the main light source 3 includes a main light board 301 fixed on the bottom bracket 10 and a main LED lamp bead 302 arranged thereon; a condenser lens 4 is arranged on the main light board and located in front of the LED lamp bead; a diffuser lens 5 is connected to the mounting bracket 11; the lens 6 is a metal integrated wide-angle lens, and the reflector 12 and the rotating disk 13 are both sleeved on the outside; the projection film is located between the lens and the diffuser lens. A plurality of heat dissipation strips are arranged on the lower surface of the main light board 301.

[0030] like Figure 6 As shown, in order to place replaceable slides, the bottom bracket 10 is provided with a drawer-type receiving portion 23 between the bottom bracket 10 and the mounting bracket 11 for receiving replaceable slides. The so-called drawer-type means that the receiving portion 23 can be moved relative to the bottom bracket, and can be pushed and pulled like a drawer, so as to take out the slides for replacement; the slides here are made of glass or plastic.

[0031] like Figure 4-5 , Fig. 9As shown, the condenser lens 4 is provided with a main connecting tube 21, and a main mounting tube 22 for mounting the astigmatism lens 5 is provided at the end of the main connecting tube; the projection film is located in front of the main mounting tube 22. Here, the condenser lens 4, the main connecting tube 21, the main mounting tube 22 and the lens 6 are coaxially arranged.

[0032] For the main light path, the light emitted by the main light source 3 is dispersed through the light guide cap on the main LED lamp bead 302, enters the focusing lens 4, and then enters the diffusing lens 5 again. The diffusing lens 5 irradiates the light onto the replaceable slide film, and the metal integrated wide-angle lens 6 emits the image after the internal multiple light focal lengths, focusing and expansion; the projection effect is clear, and the projection area of ​​the film is increased.

[0033] Specifically, Figure 5 , 7 As shown, the secondary light source 7 includes a secondary light board 701 connected to the bottom bracket 10 and a secondary LED lamp bead 702 arranged thereon; the secondary projection film and the secondary diffusing lens 9 are both located in front of the LED lamp bead; the gear assembly 8 includes a motor 801 arranged on the bottom bracket, a driving gear 802 arranged on the bottom bracket and connected to the output end of the motor, a gear sheet 803 arranged on the bottom bracket and a driven gear 804 arranged thereon and meshing with the driving gear; the gear sheet is provided with two light-transmitting grooves 803a which are respectively located on both sides of the driven gear and are located on the same straight line, and when the gear sheet is rotating, the two light-transmitting grooves pass in front of the secondary LED lamp bead 702.

[0034] Furthermore, if Figure 7 As shown, it also includes a mounting plate 14 for mounting a secondary projection film, which is arranged on the bottom bracket 10 and located in front of the gear assembly 8. A mounting tube 15 perpendicular to the mounting plate is provided on the mounting plate, and the secondary diffusing lens 9 is installed therein and located in front of the mounting plate.

[0035] Furthermore, if Figure 5-6 As shown, a connecting cylinder 16 coaxial with and connected to the mounting cylinder 15 is provided on the edge of the mounting bracket 11 , and a light-transmitting cylinder 17 coaxial with the mounting cylinder is provided on the connecting cylinder; the opening of the light-transmitting cylinder is located at a through hole opened in the reflector 12 .

[0036] For the secondary light path, the light emitted by the secondary light source 7 is dispersed through the light guide cap on the secondary LED lamp bead 702, and the light passing through the gear plate 803 with the light-transmitting groove 803a overlaps with the replaceable secondary projection film made of glass or plastic. The formed light is emitted through the secondary diffuser lens 9 to form an image, which can be a meteor, a star, or other forms according to different secondary projection films, so as to meet the different needs of different customers.

[0037] Furthermore, the base 1 is provided with a sub-circuit board 18 and a lithium battery 19 and a speaker 20 electrically connected thereto.

[0038] In summary, compared with the prior art, the starry sky lamp of the present invention can not only replace the slides to meet the different needs of customers, but also adopts the combination of the main light path and the secondary light path to produce the effect of a moving starry sky.

[0039] In the above description, it should be noted that the terms "installed", "connected", "connected" and other corresponding terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two components; "provided in" should be understood as "installed in, set in", including fixed installation, movable installation and other installation methods.

[0040] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. The preferred embodiments of the utility model are given in the drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the utility model patent.

Claims

1. A new type of starry sky lamp, characterized in that: The invention comprises a base (1), a lamp body (2) arranged on and connected to the base, a main light path component and a secondary light path component arranged in the lamp body; the main light path component comprises a main light source (3), a condenser lens (4), a diffuser lens (5), a lens (6) and a replaceable projection film arranged in sequence in front of the base; the secondary light path component comprises a secondary light source (7), a gear component (8), a replaceable secondary projection film and a secondary diffuser lens (9) arranged in sequence in front of the base.

2. A novel starry sky lamp as claimed in claim 1, characterized in that: The lamp body (2) is provided with a bottom bracket (10) therein, and further comprises a mounting bracket (11) arranged above the bottom bracket, a reflector (12) arranged on the mounting bracket, and a rotating disk (13) arranged in the reflector and coaxially therewith.

3. A novel starry sky lamp as claimed in claim 2, characterized in that: The main light source (3) comprises a main light board (301) fixedly mounted on a bottom bracket (10) and a main LED lamp bead (302) mounted thereon; a condenser lens (4) is mounted on the main light board and located in front of the LED lamp bead; a diffuser lens (5) is connected to the mounting bracket (11); the lens (6) is a metal integrated wide-angle lens, and the reflector (12) and the rotating disk (13) are both mounted on the outside thereof; The projection sheet is located between the lens and the astigmatism lens.

4. A novel starry sky lamp as claimed in claim 2, characterized in that: The bottom bracket (10) is provided with a drawer-type accommodating portion (23) located between the bottom bracket (10) and the mounting bracket (11) and used for placing replaceable slides.

5. A novel starry sky lamp as claimed in claim 2, characterized in that: The secondary light source (7) comprises a secondary light board (701) connected to the bottom bracket (10) and a secondary LED lamp bead (702) arranged thereon; the secondary projection sheet and the secondary light diffusion lens (9) are both located in front of the LED lamp bead; the gear assembly (8) comprises a motor (801) arranged on the bottom bracket, a driving gear (802) arranged on the bottom bracket and connected to the output end of the motor, a gear sheet (803) arranged on the bottom bracket and a driven gear (804) arranged thereon and meshing with the driving gear; the gear sheet is provided with two light-transmitting grooves (803a) respectively located on both sides of the driven gear and located on the same straight line, and when the gear sheet is rotating, the two light-transmitting grooves pass in front of the secondary LED lamp bead (702).

6. A novel starry sky lamp as claimed in claim 5, characterized in that: It also includes a mounting plate (14) for mounting a secondary projection film, which is arranged on the bottom bracket (10) and located in front of the gear assembly (8). A mounting tube (15) perpendicular to the mounting plate is provided on the mounting plate, and the secondary diffusing lens (9) is installed in the mounting tube and located in front of the mounting plate.

7. A novel starry sky lamp as claimed in claim 6, characterized in that: A connecting cylinder (16) coaxial with and connected to the mounting cylinder (15) is provided on the edge of the mounting bracket (11), and a light-transmitting cylinder (17) coaxial with the mounting cylinder is provided on the connecting cylinder; the opening of the light-transmitting cylinder is located at a through hole opened in the reflector (12).

8. A novel starry sky lamp as claimed in claim 3, characterized in that: The condensing lens (4) is provided with a main connecting tube (21), and a main mounting tube (22) for mounting a diffusing lens (5) is provided at the end of the main connecting tube; the projection film is located in front of the main mounting tube; the condensing lens (4), the main connecting tube, the main mounting tube and the lens (6) are coaxially arranged.

9. A novel starry sky lamp as claimed in claim 1, characterized in that: The base (1) is hinged to the lamp body (2); a mounting portion (101) is provided on the base (1), and also includes a transition portion (24); the lower portion of the transition portion is arranged inside the mounting portion and is hinged to the mounting portion via a rotating shaft; and the upper portion of the transition portion is connected to the lamp body (2).

10. A novel starry sky lamp as claimed in claim 1, characterized in that: The base (1) is provided with a sub-circuit board (18) and a lithium battery (19) and a speaker (20) electrically connected thereto.

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