Projection night lamp

Abstract

The utility model discloses a projection night lamp. The projection night lamp comprises a fixed seat; the first lamp body is mounted on one side of the fixed seat; the first optical element and / or the second optical element are / is located above the first lamp body, light emitted by the first lamp body penetrates through the first optical element and / or the second optical element to be projected outwards, the first optical element has the reflection and / or refraction and / or transmission characteristics, and the second optical element has the reflection and / or refraction and / or transmission characteristics. The first optical element is arranged to reflect or refract or amplify or shape or image and / or diffuse light beams from the first lamp body; the second lamp body is installed on the other side of the fixing base, and the projection effect of the first lamp body is better than that of the second lamp body; and the first light transmitting cover is arranged on the outer side of the first lamp body in a covering mode, one of the projection function and the small night lamp function can be selected for lighting, or the projection function and the small night lamp function can be lighting at the same time, and the requirements of users are met.

Description

[Technical field]

[0001] The utility model relates to the technical field of projection night lights, in particular to a multifunctional projection night light. [Background technology]

[0002] An existing projection night light comprises a fixing seat, a light source assembly mounted on the fixing seat, a driving assembly, an interference sheet and an optical cover located above the light source assembly. The driving assembly drives the interference sheet to rotate, and the interference sheet is located between the light source assembly and the optical cover. The light emitted by the light source assembly passes through the interference sheet and the optical cover in sequence, and is projected onto other locations such as a ceiling or a wall.

[0003] Since the projection lamp in the above structure is only used as an atmosphere light, the brightness is too high and it is not suitable as a sleeping projection night light. It has a single function and cannot meet the usage requirements.

[0004] Therefore, it is necessary to design a new projection night light to overcome the above problems. [Contents of the utility model]

[0005] In view of the problems faced by the background technology, the utility model provides a projection night light which can project and has the function of a projection night light.

[0006] In order to achieve the above purpose, the utility model adopts the following technical means:

[0007] A projection night light comprises: a fixing seat; a first lamp body assembly mounted on one side of the fixing seat; a first optical element and / or a second optical element located above the first lamp body assembly, the light emitted by the first lamp body assembly passes through the first optical element and / or the second optical element and is projected outward, wherein the first optical element has reflection and / or refraction and / or transmission characteristics, and the first optical element is arranged to reflect or refract or amplify or shape or image and / or diffuse the light beam from the first lamp body assembly; a second lamp body assembly mounted on the other side of the fixing seat, and the projection effect of the first lamp body assembly is stronger than the projection effect of the second lamp body assembly; a first light-transmitting cover is arranged on the outside of the first lamp body assembly.

[0008] Furthermore, the fixing seat includes a light shielding portion arranged around the first light-transmitting cover, and the light shielding portion is arranged higher than or equal to the bottom of the first light-transmitting cover.

[0009] Furthermore, the fixing seat includes a recessed groove formed upwardly, the cover body of the first light-transmitting cover is at least partially accommodated in the recessed groove, the first light-transmitting cover includes the cover body and a plurality of locking portions extending from the cover body, the fixing seat includes a plurality of first buckles accommodated in the recessed groove and connected to the side walls of the recessed groove, and the plurality of locking portions are engaged with the plurality of first buckles in a one-to-one correspondence.

[0010] Furthermore, the first light-transmitting cover includes a plurality of irregular convex curved surfaces, wherein the heights of one convex curved surface are inconsistent with those of another convex curved surface and / or the curvature of one of the convex curved surfaces is inconsistent with that of another convex curved surface and / or the heights or curvatures of at least some of the convex curved surfaces are the same, and two adjacent convex curved surfaces are connected by a concave curved surface, and the brightness of light emitted by the second lamp body assembly passing through the concave curved surface is higher than the brightness of light passing through the convex curved surface and / or the brightness of the convex curved surface in the middle area is higher than the brightness of the convex curved surface in the peripheral area and / or the brightness of the concave curved surface in the middle area is higher than the brightness of the concave curved surface in the peripheral area.

[0011] Furthermore, the projection night light also includes a second light-transmitting cover that is upwardly buckled onto the fixing base and covers the outside of the first light-transmitting cover. The first lamp body assembly projects upward, and the second lamp body assembly projects downward. There is a gap between the second light-transmitting cover and the first light-transmitting cover in the up and down directions, or the two are in contact with each other.

[0012] Furthermore, the fixing base includes a first receiving cavity, the first lamp body is received in the first receiving cavity, the first light-transmitting cover and the fixing base form a second receiving cavity, the second lamp body is received in the second receiving cavity, the fixing base includes a recessed groove penetrating downwardly through the bottom wall of the first receiving cavity, the conductive wire passes through the recessed groove to electrically connect the first lamp body and the second lamp body, and the light emitted by the first lamp body at least partially passes through the recessed groove and is projected onto the first light-transmitting cover.

[0013] Furthermore, the fixing base includes an upper cover and a light-transmitting member installed on the upper cover, the light-transmitting member is arranged around the second optical element, and the light emitted by the second lamp body at least partially passes through the upper cover and is projected onto the light-transmitting member, and the light-transmitting member forms a halo.

[0014] Furthermore, the light effect color projected by the first lamp body component and the projection color of the second lamp body component are the same or different through the control of the mainboard. The first lamp body component projects upward and the second lamp body component projects downward to form a light effect surrounding the bottom of the fixing base.

[0015] Furthermore, the first lamp body assembly includes a lamp board and a light refractor located above the lamp board, the light refractor includes a light through hole and a refraction portion arranged around the light through hole, the outer portion of the light beam emitted by the lamp board passes upward through the light through hole, is projected onto the refraction portion and changes the original transmission path of the light beam, and passes through the first optical element and / or the second optical element, the middle portion of the light beam emitted by the lamp board passes upward through the light through hole without changing the light path, and passes through the first optical element and / or the second optical element in sequence.

[0016] Furthermore, the light refractor includes a carrier, the refractive portion formed on the carrier, and a light-blocking portion extending upward from the carrier, wherein the light-blocking portion blocks the light emitted by the first lamp body assembly from diffusing outwards and increases the light flux passing through the first optical element.

[0017] Compared with the prior art, the projection night light of the utility model has the following beneficial effects:

[0018] The first lamp body is installed on one side of the fixing base; the first optical element and / or the second optical element are located above the first lamp body, and the light emitted by the first lamp body passes through the first optical element and / or the second optical element and is projected outward, wherein the first optical element has reflection and / or refraction and / or transmission characteristics, and the first optical element is arranged to reflect or refract or amplify or shape or image and / or diffuse the light beam from the first lamp body; the second lamp body is installed on the other side of the fixing base, and the projection effect of the first lamp body is stronger than the projection effect of the second lamp body; the first light-transmitting cover is covered on the outside of the first lamp body, and the projection function or the night light function can be selected to light up, or both can be lit at the same time to meet the needs of users.

Brief Description of the Drawings

[0019] Figure 1 A three-dimensional diagram of the projection night light of the utility model;

[0020] Figure 2 for Figure 1 A top view of

[0021] Figure 3 for Figure 2 Sectional view along the AA section line;

[0022] Figure 4 for Figure 3 Stereoscopic view of the meso-light refractor;

[0023] Figure 5 for Figure 1 Exploded view of local structure;

[0024] Figure 6 for Figure 1 A perspective exploded view of the middle upper cover and the second optical element;

[0025] Figure 7 for Figure 1 A three-dimensional exploded view of the middle base body, the first light-transmitting cover and the second light-transmitting cover;

[0026] Figure 8 for Figure 7 A three-dimensional image of the second light-transmitting cover after being flipped at a certain angle.

[0027] Description of the accompanying drawings of the specific embodiments:

[0028]

[0029] [Specific implementation method]

[0030] In order to facilitate a better understanding of the purpose, structure, characteristics and functions of the present invention, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods.

[0031] like Figures 1 to 8 As shown, the projection night light 100 of the utility model includes a fixing base 1, a motor 2 mounted on the fixing base 1, a first lamp body component 3, a first optical element 4 and / or a second optical element 5 located above the first lamp body component 3, and a second lamp body component 6 mounted on the fixing base 1, a first light-transmitting cover 7 and a second light-transmitting cover 8. The projection night light 100 also includes a main board 200 electrically connecting the first lamp body component 3 and the second lamp body component 6. The light emitted by the first lamp body component 3 passes through the first optical element 4 and / or the second optical element 5 and is projected outward.

[0032] like Figure 1 , Figure 3 and Figure 5As shown, the fixing seat 1 includes a base 11, two shells 12 buckled on the base 11, an upper cover 13 installed on the two shells 12, and a light-transmitting member 15 installed on the upper cover 13. The base 11 and the two shells 12 are defined as a base. The base 11 includes a groove 111 formed downward from its top surface, a mounting groove 112 and a clearance groove 113 penetrating the bottom wall of the groove 111. The base 11 also includes a sink 114 formed by being recessed upward from the bottom surface, and a plurality of limiting portions 115 connected to the side walls of the sink 114. In this embodiment, the plurality of limiting portions 115 are first card slot structures penetrating upward through the bottom wall of the groove 111, the side walls of the first card slot are connected to the side walls of the sink 114, and the first card slot penetrates upward from the bottom wall of the sink 114, that is, the limiting portion 115 is located on the inner side of the side wall of the sink 114 or the first card slot is aligned with the sink 114 up and down. The base 11 includes a plurality of first buckles 117 and a plurality of second buckles 118 arranged around the sink 114. The first buckles 117 and the second buckles 118 are arranged alternately. In this embodiment, the base 11 includes a guide groove 116, the first buckles 117 are connected to the side wall of the guide groove 116, and the second buckles 118 are limit groove structures, and the limit grooves penetrate downwardly through the bottom wall of the guide groove 116. That is, the limit grooves penetrate downwardly through the bottom wall of the groove 111, and the limit grooves are connected to the groove 111 up and down. The first buckles 117 extend away from or close to the center of the base 11. In other embodiments, the limit grooves can also be set as limit hooks 153 and the like. The base 11 also includes a foolproofing part 119 connected to the side wall of the sink 114 or a foolproofing part 119 connected to the sink 114.

[0033] like Figure 1 , Figure 3 and Figure 5As shown, the two shells 12 move in opposite directions and snap onto the base 11. That is, one of the shells 12 snaps onto the left, and the other shell 12 snaps onto the right. Each shell 12 includes an upper hook 121 and a lower hook 122 arranged opposite to each other, and the upper hook 121 and the lower hook 122 both extend toward the inner side of the shell 12, and the lower hook 122 snaps onto the limit groove upward. The two shells 12 and the base 11 form a speaker sound outlet position 123 and a button installation hole 124, or only the two shells 12 form a speaker sound outlet position 123 and a button installation hole 124. The upper cover 13 snaps onto the two shells 12. The base and the upper cover 13 form a receiving cavity 14, and the receiving cavity 14 is positioned as a first receiving cavity. The upper cover 13 includes a projection hole 131 extending from top to bottom, a receiving groove 132 arranged around the projection hole 131, a plurality of first snap positions 133, and a plurality of second snap positions 134. The receiving groove 132 is formed by being recessed downward from the upper cover 13, and at least part of the first latching position 133 and the second latching position 134 are alternately arranged. The plurality of upper latching hooks 121 are buckled downwardly in the first latching position 133 in a one-to-one correspondence. In this embodiment, the first latching position 133 and the second latching position 134 are the first latching groove and the second latching groove that penetrate downwardly through the bottom wall of the receiving groove 132. The light-transmitting member 15 is buckled downwardly on the upper cover 13. The light-transmitting member 15 includes a main body 151, a through hole 152 that penetrates the main body 151 up and down, and a plurality of hooks 153 that are arranged at intervals and extend downward from the main body 151. The main body 151 is accommodated in the receiving groove 132, and the plurality of hooks 153 are buckled in the second latching position 134 in a one-to-one correspondence. The plurality of upper latching hooks 121 are buckled in the first latching position 133 in the horizontal direction, and the hooks 153 are buckled in the second latching position 134 in the up-down direction.

[0034] like Figure 3 , Figure 4 and Figure 5As shown, the motor 2 is installed in the installation groove 112, and at least part of the motor 2 protrudes upward into the first receiving cavity 14. The first lamp body assembly 3 is received in the first receiving cavity 14, and the first lamp body assembly 3 includes a lamp board 31 and a light refractor 32 located on the lamp board 31. The light refractor 32 includes a carrier 321, a refraction portion 322 disposed on the carrier 321, a light blocking portion 324 extending upward from the carrier 321, and a fixing portion 323 extending downward from the carrier 321. The carrier 321 includes a light-through hole 3211 passing through from top to bottom, and the light-through hole 3211 forms a funnel-shaped structure. The refraction portion 322 is a coating formed by vacuum, roller plating or coating and attached to the hole wall of the light-through hole 3211, that is, the refraction portion 322 is disposed around the light-through hole 3211. The thickness of the coating is 0.01 mm to 0.1 mm. After the outer part of the light beam emitted by the lamp board 31 passes through the light hole 3211 upward, it is projected to the refraction part 322 and changes the original transmission optical path of the light beam, thereby enhancing the luminous flux, that is, converting the light beam that diffuses outward into an upward projection and passing through the first optical element 4 and / or the second optical element 5. After the middle part of the light beam emitted by the lamp board 31 passes through the light hole 3211 upward, the light path is not changed, and then it passes through the first optical element 4 and / or the second optical element 5 in sequence. The light beam emitted by the lamp board 31 has a light-emitting angle formed after the light path of part of the light beam is changed by the refraction part 322, which is 20° to 160°, preferably 40° to 130°. The width of the light-blocking part 324 is smaller than the width of the carrier 321. The light-blocking part 324 is arranged higher than or equal to the first optical element 4 in the up and down direction. The light-blocking part 324 extends along the outer contour of the first optical element 4 to form an arc-shaped baffle structure. The carrier 321 and the first optical element 4 form a transition space in the vertical direction, and the light blocking portion 324 blocks the light beam emitted by the lamp board 31 from diffusing outward through the transition space, thereby increasing the light flux and enhancing the brightness of the projection light effect. The fixing portion 323 is arranged around the carrier 321 and fixed to the lamp board 31. In other embodiments, the light refractor 32 can also be other structures such as a refractive lens and a condenser lens, which can meet the use requirements of collecting light. The first optical element 4 is fixed to the rotating shaft of the motor 2. The first optical element 4 is configured as a first projection film or an interference film or a condenser lens. The first optical element 4 has reflection and / or refraction and / or transmission characteristics, and the first optical element 4 is arranged to reflect or refract or amplify or shape or image and / or diffuse the light beam from the first lamp body assembly 3. The second optical element 5 is installed in the projection hole 131, and the second optical element 5 is configured as a condenser cover or an aurora cover or an imaging lens. The second optical element 5 includes a convex lens or a plurality of long strip lenses 51.In an embodiment, the second optical element 5 includes a main body and two light-transmitting surfaces 52 connected to the main body and extending downward. The main body includes a plurality of irregular long lenses 51, wherein the number of the long lenses 51 does not exceed 9, and preferably takes a value of 3 to 9. The two light-transmitting surfaces 52 are located on the left and right sides of the main body. The long lenses 51 are not provided on the light-transmitting surfaces 52 to reduce stray light projection. The first optical element 4 is located between 1F and 2F of the long lens or the convex lens to enhance the clarity of the projected light effect. The light emitted by the lamp panel 31 is at least partially transmitted to the light-transmitting member 15 through the first clamping groove, so that the light-transmitting member 15 presents a halo effect. In other embodiments, the first lamp body assembly 3 can be set to other lamp bodies such as LED or laser.

[0035] like Figure 7 and Figure 8As shown, the second lamp body assembly 6 is installed on the bottom surface of the base 11, and the first light-transmitting cover 7 is installed upward on the base 11, and forms a second receiving cavity with the bottom surface of the base 11. The first receiving cavity 14 is connected with the second receiving cavity up and down. At least part of the light emitted by the first lamp body assembly 3 is projected from the first receiving cavity 14 to the second receiving cavity, and projected to the first light-transmitting cover 7, that is, the light emitted by the lamp board 31 is interlaced with the second lamp body assembly 6. The first light-transmitting cover 7 is arranged above the second lamp body assembly 6. The first light-transmitting cover 7 includes a cover body 71 and a plurality of locking parts 72 extending from the cover body 71. The cover body 71 includes a plurality of irregular convex arc surfaces 711 and a plurality of irregular concave arc surfaces 712. The height of one convex curved surface 711 is inconsistent with that of another convex curved surface 711 and / or the curvature of one convex curved surface 711 is inconsistent with that of another convex curved surface 711 and / or the height or curvature of at least some of the convex curved surfaces 711 are the same, and two adjacent convex curved surfaces 711 are connected by the concave curved surface 712, the brightness of the light emitted by the second lamp body assembly 6 passing through the concave curved surface 712 is higher than that passing through the convex curved surface 711 and / or the brightness of the first light-transmitting cover 7 gradually decreases from the middle position to the peripheral position and / or the brightness of the convex curved surface 711 in the middle area is higher than that of the convex curved surface 711 in the peripheral area and / or the brightness of the concave curved surface 712 in the middle area is higher than that of the concave curved surface 712 in the peripheral area. The plurality of convex curved surfaces 711 include at least one first convex curved surface 711 and at least one second convex curved surface 711. The height of the first convex arc surface 711 is higher than the height of the second convex arc surface 711, and a plurality of the second convex arc surfaces 711 are arranged around the first convex arc surface 711. The first light-transmitting cover 7 is at least partially accommodated in the sink groove 114, and a plurality of the locking parts 72 are buckled in the first card slot one by one, that is, the locking parts 72 pass through the first card slot upward and buckle in the side wall of the first card slot. The side wall of the sink groove 114 blocks the second lamp body assembly 6 from leaking light outward, or a light shielding part is arranged on the bottom surface of the base 11, and the light shielding part is arranged around the first light-transmitting cover 7, and the light shielding part blocks the light of the second lamp body assembly 6 from being exposed. In this embodiment, the side wall of the sink groove 114 can be defined as a light shielding part arranged around the first light-transmitting cover 7. The light shielding part is arranged higher than or equal to the first light-transmitting cover 7 or the cover body 71. The height of the first light-transmitting cover 7 is defined as H, and the width is defined as D, where H≤1 / 2D. The projection night light 100 includes a conductive wire passing through the recess 113, one end of the conductive wire is electrically connected to the light board 31, and the other end is connected to the second lamp body assembly 6. The projection effect of the first lamp body assembly 3 is stronger than that of the second lamp body assembly 6.The second light-transmitting cover 8 is arranged on the outside of the first light-transmitting cover 7, and there is a gap or mutual contact between the inner surface of the second light-transmitting cover 8 and at least part of the convex arc surface 711. The first light-transmitting cover 7 can be set as a transparent cover, a frosted cover or a projection cover, etc., which can meet the use requirements. The second light-transmitting cover 8 includes a cover body 81 and a plurality of limiting parts 82 extending upward from the cover body 81, and the plurality of limiting parts 82 are buckled in the first buckle 117 in a one-to-one correspondence. When the projection night light is used, the color light effect projected by the first lamp body component 3 and the color light effect projected by the second lamp body component 6 can be controlled by the main board to be the same color or different colors. That is, when at least part of the light of the first lamp body component 3 and the second lamp body component 6 form a string of light, the color that passes through the second light-transmitting cover 8 outward is at least one more than the light color of the second lamp body component 6. When the first lamp body assembly 3 projects upward to form a projection light effect on the ceiling, wall, etc., the second lamp body assembly 6 projects downward to form a light effect surrounding the bottom 1 of the fixing seat 1. The projection light effect formed by the first lamp body assembly 3 passing through the first optical element 4 and / or the second optical element 5 upward is greater than the light effect formed by the second lamp body assembly 6 passing through the first light-transmitting cover 7 and / or the second light-transmitting cover 8 downward. The first lamp body assembly 3 and the second lamp body assembly 6 can choose to light up one of them or both of them at the same time. The projection night light 100 also includes a base 9 located below the second light-transmitting cover 8, the base 9 includes a downwardly recessed arc surface 91, the second light-transmitting cover 8 is in contact with the arc surface 91, and as the projection night light 100 rotates, the contact position of the second light-transmitting cover 8 with the arc surface 91 changes continuously.

[0036] In summary, the projection night light of the utility model has the following beneficial effects:

[0037] (1) A first lamp body is installed on one side of the fixing base; a first optical element and / or a second optical element are located above the first lamp body, and the light emitted by the first lamp body passes through the first optical element and / or the second optical element and is projected outward, wherein the first optical element has reflection and / or refraction and / or transmission characteristics, and the first optical element is arranged to reflect or refract or amplify or shape or image and / or diffuse the light beam from the first lamp body; a second lamp body is installed on the other side of the fixing base, and the projection effect of the first lamp body is stronger than the projection effect of the second lamp body; a first light-transmitting cover is provided on the outer side of the first lamp body, and the projection function or the night light function can be selected to light up, or both can be lit up at the same time to meet the needs of users.

[0038] The above detailed description is only an explanation of the preferred embodiment of the present utility model, and does not limit the patent scope of the present utility model. Therefore, all equivalent technical changes made by using the description and illustrations of this invention are included in the patent scope of this invention.

Claims

1. A projection night light, characterized in that: include: Fixed seat; A first lamp body assembly is mounted on one side of the fixing base; A first optical element and / or a second optical element, located above the first lamp body assembly, light emitted by the first lamp body assembly passes through the first optical element and / or the second optical element and is projected outward, wherein the first optical element has reflective and / or refracting and / or transmissive properties, and the first optical element is arranged to reflect or refract or amplify or shape or image and / or diffuse the light beam from the first lamp body assembly; A second lamp body assembly is installed on the other side of the fixing seat, and the projection effect of the first lamp body assembly is stronger than the projection effect of the second lamp body assembly; The first light-transmitting cover is arranged on the outer side of the first lamp body assembly.

2. The projection night light as claimed in claim 1, characterized in that: The fixing seat includes a light shielding portion arranged around the first light-transmitting cover, and the light shielding portion is arranged higher than or equal to the bottom of the first light-transmitting cover.

3. The projection night light as claimed in claim 2, characterized in that: The fixing seat includes a recessed groove formed upwardly, the cover body of the first light-transmitting cover is at least partially accommodated in the recessed groove, the first light-transmitting cover includes the cover body and a plurality of locking parts extending from the cover body, the fixing seat includes a plurality of first buckles accommodated in the recessed groove and connected to the side walls of the recessed groove, and the plurality of locking parts are buckled with the plurality of first buckles in a one-to-one correspondence.

4. The projection night light as claimed in claim 1, characterized in that: The first light-transmitting cover includes a plurality of irregular convex curved surfaces, wherein the heights of one convex curved surface are inconsistent with those of another convex curved surface and / or the curvature of one convex curved surface is inconsistent with that of another convex curved surface and / or the heights or curvatures of at least some of the convex curved surfaces are the same, and two adjacent convex curved surfaces are connected by a concave curved surface, and the brightness of light emitted by the second lamp body assembly passing through the concave curved surface is higher than the brightness of light passing through the convex curved surface and / or the brightness of the convex curved surface in the middle area is higher than the brightness of the convex curved surface in the peripheral area and / or the brightness of the concave curved surface in the middle area is higher than the brightness of the concave curved surface in the peripheral area.

5. The projection night light according to any one of claims 1 to 4, characterized in that: The projection night light also includes a second light-transmitting cover that is buckled upwardly onto the fixing base and covers the outside of the first light-transmitting cover. The first lamp body assembly projects upwardly, and the second lamp body assembly projects downwardly. There is a gap between the second light-transmitting cover and the first light-transmitting cover in the vertical direction or the two are in contact with each other.

6. The projection night light according to any one of claims 1 to 4, characterized in that: The fixing base includes a first receiving cavity, the first lamp body is received in the first receiving cavity, the first light-transmitting cover and the fixing base form a second receiving cavity, the second lamp body is received in the second receiving cavity, the fixing base includes a recessed groove penetrating downwardly through the bottom wall of the first receiving cavity, the conductive wire passes through the recessed groove to electrically connect the first lamp body and the second lamp body, and the light emitted by the first lamp body at least partially passes through the recessed groove and is projected onto the first light-transmitting cover.

7. The projection night light according to any one of claims 1 to 4, characterized in that: The fixing seat includes an upper cover and a light-transmitting member installed on the upper cover. The light-transmitting member is arranged around the second optical element. At least part of the light emitted by the second lamp body passes through the upper cover and is projected onto the light-transmitting member. The light-transmitting member forms a halo.

8. The projection night light according to any one of claims 1 to 4, characterized in that: The light effect color projected by the first lamp body component and the projection color of the second lamp body component are the same or different through the control of the mainboard. The first lamp body component projects upward and the second lamp body component projects downward to form a light effect surrounding the bottom of the fixing base.

9. The projection night light according to any one of claims 1 to 4, characterized in that: The first lamp body assembly includes a lamp board and a light refractor located above the lamp board, the light refractor includes a light through hole and a refraction portion arranged around the light through hole, the outer portion of the light beam emitted by the lamp board passes upward through the light through hole, is projected onto the refraction portion, and changes the original transmission path of the light beam, and passes through the first optical element and / or the second optical element, the middle portion of the light beam emitted by the lamp board passes upward through the light through hole without changing the light path, and passes through the first optical element and / or the second optical element in sequence.

10. The projection night light as claimed in claim 9, characterized in that: The light refractor includes a carrier, the refraction portion formed on the carrier, and a light-blocking portion extending upward from the carrier, wherein the light-blocking portion blocks the light emitted by the first lamp body assembly from diffusing outwards and increases the light flux passing through the first optical element.

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