Starry projection lamp

1. A starry projection lamp, comprising a shell, a control panel arranged in the shell, a laser component, a water ripple component, and a film component, wherein the lower part of the water ripple component is provided with a driving component which drives the water ripple component to move, the shell comprises a lower shell and an upper shell fastened on the lower shell; an upper part of the upper shell, wherein the upper part corresponds to the water ripple component, and the upper part is provided with a lens outer cover, the lower shell is hemispheric, the lower part of the lower shell is also connected with a base; a power component is arranged inside the base; the power component is electrically connected to the control panel; the upper part of the base is provided with a ring-like groove; and the shell is rotatably arranged on the ring-like groove of the base; a long-strip hole is formed in the lower shell; at least one group of stepped limiting grooves parallel to the long-strip hole are formed inside the lower shell; a fixing sheet is also arranged in the lower shell; a limiting bulge acting with the limiting grooves is arranged on the fixing sheet and connecting pieces arranged on the long-strip hole in a penetrating manner and connected to the fixing sheet are arranged on the base.

2. The starry projection lamp according to claim 1 , wherein the connecting pieces are connecting pillars fixed on the base; fixing holes cooperating with and corresponding to the connecting pillars are correspondingly arranged on the fixing sheet; two connecting pillars and two corresponding fixing holes are provided, respectively, and a first through hole used for threading is also arranged between the two fixing holes.

3. The starry projection lamp according to claim 2 , wherein two groups of limiting grooves are provided; the two groups of limiting grooves are respectively arranged on two sides of the long-strip hole; and the fixing sheet is correspondingly provided with two limiting bulges cooperating with the limiting grooves.

4. The starry projection lamp according to claim 3 , wherein a lower part of the base is provided with an anti-skid pad.

5. The starry projection lamp according to claim 4 , wherein the appearance of the lens outer cover is of a semicircular sphere shape; an outer surface of the lens outer cover is a texture-free smooth surface; and an inner surface is formed by splicing a plurality of triangular lenses.

6. The starry projection lamp according to claim 5 , wherein a voice control module and a Wi-Fi intelligent module are also arranged on the control panel; a button component is arranged in the control panel; the button component is electrically connected to the control panel; and a voice receiving hole is formed in the shell.

7. The starry projection lamp according to claim 1 , wherein the water ripple component comprises an aluminum base plate, a water ripple sheet, and at least one LED light source uniformly distributed by taking a center of the aluminum base plate as a circle center, the driving component comprises a motor, an output shaft and a motor cover, the output shaft is arranged on the aluminum base plate in a penetrating manner, and resists against the water ripple sheet; the driving component is arranged in the middle of the lower shell; the driving component drives the water ripple component to move; the motor and the water ripple component are arranged in the motor cover, and the top of the motor cover resists against the bottom of the lens outer cover.

8. The starry projection lamp according to claim 7 , wherein the appearance of the lens outer cover is of a semicircular sphere shape; an outer surface of the lens outer cover is a texture-free smooth surface; and an inner surface is formed by splicing a plurality of triangular lenses.

9. The starry projection lamp according to claim 1 , wherein the laser component comprises a laser device and a grating sheet arranged at the upper part of the laser device, a heat dissipater is arranged at a periphery of the laser component; and a first light outlet hole is arranged at a position, corresponding to the laser component, above the shell to allow light of the laser component to be emitted.

10. The starry projection lamp according to claim 9 , wherein the appearance of the lens outer cover is of a semicircular sphere shape; an outer surface of the lens outer cover is a texture-free smooth surface; and an inner surface is formed by splicing a plurality of triangular lenses.

11. The starry projection lamp according to claim 1 , wherein the film component comprises a white-light lamp panel, a projection seat, and a first optical lens, a film sheet and a film sheet pad which are arranged in the projection seat, LED light sources are arranged on the whit-light lamp panel; the projection seat is provided with a second through hole; the LED light sources pass through the second through hole; the first optical lens is arranged above the LED light sources, the film sheet is arranged above the first optical lens by means of the film sheet pad; a second light outlet hole is arranged at a position, corresponding to the film component, above the shell; and a second optical lens is arranged in the second light outlet hole.

12. The starry projection lamp according to claim 11 , wherein the appearance of the lens outer cover is of a semicircular sphere shape; an outer surface of the lens outer cover is a texture-free smooth surface; and an inner surface is formed by splicing a plurality of triangular lenses.