CN213746268U - Starry sky projection lamp - Google Patents

Abstract

The utility model discloses a starry sky projection lamp belongs to the lighting technology field, which comprises a housin, the interior bottom of casing is fixed main control board, laser module, motor, emitting diode subassembly and the square optical lens of having set gradually, the motor is connected with transmission shaft an and transmission shaft b respectively through the link gear, transmission shaft a is the hollow shaft, transmission shaft an's one end fixedly connected with optical element, lens are installed to the lateral wall of casing, be provided with the installing port that corresponds with lens on the casing. The utility model discloses in, the mode that adopts laser module and optical element collocation produces the effect that the starry was arranged, and the mode that the light that adopts the emitting diode subassembly to send pierces through square optical lens piece, circular optical lens piece and lens in proper order produces the projection of cloud, and the sense of reality is stronger, and the effect of the star cloud of throwing out is superior to the effect that the fretwork lamp shade of current adoption throwed out, but the star cloud periodic movement, and the effect is more close true starry sky.

Description

Starry sky projection lamp

Technical Field

The utility model relates to the field of lighting technology, more specifically say, in particular to starry sky projection lamp.

Background

A starry sky projection lamp is a decorative lighting device which can project countless starry or snowflake patterns on walls, ceilings and lawns, is used indoors such as KTV boxes and outdoors such as courtyards, lawns and plants, can play a role in creating atmosphere and decorating landscapes, and has very wide application in life.

The existing starlight projection has the following defects:

1. the existing starry sky projection lamps are all fixed starry sky images and cannot simulate the movement of actual stars and clouds;

2. the projection mode of the existing starry sky projection lamp is to realize projection patterns by hollowing out a lampshade, so that real stars cannot be projected;

3. the projection direction of the existing starry sky projection lamp cannot be adjusted.

To this end, we propose a starry sky projection lamp to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a starry sky projection lamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

starry sky projection lamp, which comprises a housin, the interior bottom of casing is fixed master control board, laser module, motor, emitting diode subassembly and the square optical lens of having set gradually, the motor is connected with transmission shaft an and transmission shaft b respectively through the link gear, transmission shaft a is the hollow shaft, transmission shaft an's one end fixedly connected with optical element, lens are installed to the lateral wall of casing, be provided with the installing port that corresponds with lens on the casing, be provided with the optical element through hole that corresponds with optical element on the lens, the fixed circular optical lens that has cup jointed of transmission shaft b's one end, circular optical lens is located the lens, the fixed clamp plate that is provided with in interior top of casing, a plurality of buttons are installed at the top of casing, the bottom of button runs through the casing and is connected with the master control board.

Preferably, the shell comprises a lower shell and an upper shell, the upper shell and the lower shell are arranged in a matching manner, and the upper shell is detachably mounted at the top of the lower shell;

the top of the upper shell is provided with an installation groove corresponding to the key;

the pressure plate is arranged at the bottom of the upper shell;

the laser module, the main control board, the motor, the square optical lens and the light emitting diode component are all installed at the top of the lower shell.

Preferably, the link gear includes the pinion of fixed connection on the motor output shaft, the fixed cover of the one end lateral wall that optical element was kept away from to transmission shaft a has connect gear wheel b, the fixed cover of the one end that circular optical lens piece was kept away from to transmission shaft b has connected gear wheel a, gear wheel a and gear wheel b all mesh with the pinion.

Preferably, the square optical lens is located between the light emitting diode assembly and the circular optical lens.

Preferably, the light emitting diode assembly is an RGB diode assembly.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

1. compared with the prior art, the starry sky projection lamp adopts the motor to drive the transmission shaft a and the transmission shaft b to rotate, so that the optical element and the circular optical lens rotate in the shell conveniently, and the rotating pictures of actual stars and clouds are simulated;

2. compared with the prior art, the utility model discloses in, the mode that adopts laser module and optical element to arrange produces the effect of starry field arrangement, and the mode that adopts light emitting diode subassembly to send to pierce through square optical lens, circular optical lens and lens in proper order produces the projection of cloud, and the sense of reality is stronger, and the effect of the star cloud of throwing out is superior to the effect of the existing hollow lamp shade of adopting, and the star cloud can move periodically, and the effect is more close to true starry sky;

3. compared with the prior art, the LED component can adopt an RGB (red, green and blue) diode component, and can realize the effect of aurora;

4. compared with the prior art, the utility model discloses in, this starry sky projection lamp is small, can directly put on the desktop or on other supports during the use, and the projection direction can be adjusted, and the limitation is less.

Drawings

Fig. 1 is a schematic structural view of a starry sky projection lamp provided by the present invention;

fig. 2 is an exploded view of the starry sky projection lamp provided by the present invention.

In the figure: 1. a lower housing; 2. an upper housing; 3. a main control board; 4. an optical element; 5. a transmission shaft a; 6. a laser module; 7. a motor; 8. a transmission shaft b; 9. a light emitting diode assembly; 10. a square optical lens; 11. a circular optical lens; 12. a lens; 13. a pinion gear; 14. a bull gear a; 15. a bull gear b; 16. pressing a key; 17. pressing a plate; 18. the optical element penetrates through the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the starry sky projection lamp includes a housing, a main control board 3, a laser module 6, a motor 7, a light emitting diode assembly 9 and a square optical lens 10 are sequentially and fixedly disposed at the inner bottom of the housing, the motor 7 is respectively connected with a transmission shaft a5 and a transmission shaft b8 through a linkage mechanism, the transmission shaft a5 is a hollow shaft, one end of the transmission shaft a5 is fixedly connected with an optical element 4, a lens 12 is mounted on the outer side wall of the housing, a mounting opening corresponding to the lens 12 is disposed on the housing, an optical element through hole 18 corresponding to the optical element 4 is disposed on the lens 12, a circular optical lens 11 is fixedly sleeved at one end of the transmission shaft b8, the circular optical lens 11 is located in the lens 12, a pressing plate 17 is fixedly disposed at the inner top of the housing, a plurality of keys 16 are mounted at the top of the housing, and bottoms of the keys 16 penetrate through the housing and are connected with the main control board 3.

The laser module 6 is used for emitting laser, and the laser passes through the transmission shaft a5 and the optical element 4 and directly irradiates on the projection object, so that the projection of a star can be simulated, and the projection reality is closer to a real starry sky.

The lens 12 serves to magnify the cloud.

The light emitted by the light emitting diode assembly 9 passes through the square optical lens 10 and the circular optical lens 11 in sequence to project a cloud shape, and then is amplified through the lens 12.

The keys 16 are used for operating the buttons on the main control panel 3 to perform command operations.

The motor 7 is used for driving the transmission shaft a5 and the transmission shaft b8 to rotate so as to project a star field capable of periodically rotating, and the projected projection effect is better close to a real star field.

More specifically, the shell comprises a lower shell 1 and an upper shell 2, wherein the upper shell 2 is matched with the lower shell 1, and the upper shell 2 is detachably mounted at the top of the lower shell 1;

the top of the upper shell 2 is provided with a mounting groove corresponding to the key 16;

the pressing plate 17 is arranged at the bottom of the upper shell 2;

the laser module 6, the main control board 3, the motor 7, the square optical lens 10 and the light emitting diode assembly 9 are all mounted at the top of the lower shell 1.

More specifically, the linkage mechanism comprises a pinion 13 fixedly connected to an output shaft of the motor 7, a bull gear b15 is fixedly sleeved on the outer side wall of one end, away from the optical element 4, of the transmission shaft a5, a bull gear a14 is fixedly sleeved on one end, away from the circular optical lens 11, of the transmission shaft b8, and both the bull gear a14 and the bull gear b15 are meshed with the pinion 13.

The function of the linkage mechanism is to facilitate the rotation of the motor 7 by driving the transmission shaft a5 and the transmission shaft b8, which saves driving cost, but it should be noted that the linkage mechanism is not limited to the gear transmission.

More specifically, a square optical lens 10 is located between the light emitting diode assembly 9 and a circular optical lens 11.

More specifically, the light emitting diode assembly 9 is an RGB diode assembly.

The led assembly 9 may be an RGB diode assembly to facilitate the projection of the aurora effect.

In the utility model, when the starry sky projection lamp is needed to be used for starry sky cloud projection, the corresponding key 16 is pressed, the main control board 3 receives the instruction to control the laser module 6, the motor 7 and the light-emitting diode component 9 to work, the laser module 6 is matched with the optical element 4 to generate the effect of starry field arrangement, and the motor 7 drives the transmission shaft a5 to rotate, so that the optical element 4 fixed on the transmission shaft a5 is driven to rotate, and the effect of starry field movement is realized; the LED component 9 generates the projection of the cloud through the square optical lens 10 and the circular optical lens 11 and amplifies the projection through the lens 12, the motor 7 rotates to drive the transmission shaft b8 to rotate, and therefore the effect of moving the cloud is achieved, the effect of projecting the star cloud by the star sky projection lamp is stronger in reality, the effect of projecting the star cloud is superior to that of projecting the star cloud by the existing hollow lampshade, the star cloud can move periodically, and the effect is closer to that of a real star sky.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. Starry sky projection lamp, its characterized in that, including the casing, the interior bottom of casing is fixed in proper order and is provided with main control board (3), laser module (6), motor (7), emitting diode subassembly (9) and square optical lens (10), motor (7) are connected with transmission shaft a (5) and transmission shaft b (8) respectively through link gear, transmission shaft a (5) are the hollow shaft, the one end fixedly connected with optical element (4) of transmission shaft a (5), lens (12) are installed to the lateral wall of casing, be provided with the installing port that corresponds with lens (12) on the casing, be provided with optical element through hole (18) that correspond with optical element (4) on lens (12), the one end of transmission shaft b (8) is fixed to cup joint has circular optical lens (11), circular optical lens (11) are located lens (12), the interior top of casing is fixed and is provided with clamp plate (17), a plurality of buttons (16) are installed at the top of casing, the bottom of button (16) runs through the casing and is connected with main control board (3).

2. The starry sky projection lamp as claimed in claim 1, wherein the housing comprises a lower housing (1) and an upper housing (2), the upper housing (2) is matched with the lower housing (1), and the upper housing (2) is detachably mounted on the top of the lower housing (1);

the top of the upper shell (2) is provided with a mounting groove corresponding to the key (16);

the pressure plate (17) is arranged at the bottom of the upper shell (2);

the laser module (6), the main control board (3), the motor (7), the square optical lens (10) and the light emitting diode component (9) are all installed at the top of the lower shell (1).

3. The starry sky projection lamp as claimed in claim 1, wherein the linkage mechanism comprises a small gear (13) fixedly connected to an output shaft of the motor (7), a large gear b (15) is fixedly sleeved on an outer side wall of one end of the transmission shaft a (5) far away from the optical element (4), a large gear a (14) is fixedly sleeved on one end of the transmission shaft b (8) far away from the circular optical lens (11), and both the large gear a (14) and the large gear b (15) are engaged with the small gear (13).

4. A starfield projection lamp as claimed in claim 1, characterized in that the square optical lens (10) is located between the light-emitting diode assembly (9) and the circular optical lens (11).

5. A starfield projection lamp as claimed in claim 1, characterized in that said light emitting diode assembly (9) is an RGB diode assembly.

Images