Projection lamp
By using a design that alternates between two LEDs and rotates the lens array, the problems of unclear projection and poor dynamic effects in existing projection lamps are solved, and the gradient and dynamic effects of the projected pattern are improved.
Patent Information
- Application Number
- CN202422133279.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Existing projection lamps use a single LED and a single focusing lens, resulting in unclear projection, small patterns, and poor dynamic effects.
It adopts a design of alternating dual LED lights, combined with the rotation of the lens disk and the projection cover, and controls the alternating on and off of the LED lights through the main board to achieve a gradient effect of the projected pattern.
It improves the clarity and dynamism of the projection, resulting in excellent dynamic effects and a strong sense of realism for the projected patterns.
Smart Images

Figure CN223526619U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of projection lamp, especially a kind of high-definition dynamic projection lamp. BACKGROUND
[0002] A kind of projection lamp, including lamp body, and by lower to upper sequentially set in the motor, fixed plate, light source assembly, focusing lens assembly, projection plate and magnifying lens assembly in the lamp body, the fixed plate is fixed on the lamp body, the light source assembly is fixed on the fixed plate;The focusing lens assembly includes the lens support fixed with the fixed plate, multiple focusing lenses are set on the lens support along its circumferential direction interval, the focusing lens extends along the axial direction of the lens support, the end face of the focusing lens away from light source assembly is provided with the focusing groove accommodating light source assembly, the top end of the focusing groove is the convex surface projecting downward, the end face of the focusing lens away from light source assembly is concave, multiple filmin with pattern are set on the projection plate along circumferential direction interval, the focusing lens is set correspondingly with the filmin, the single bead lamp of light source assembly is sequentially lighted, and the light emitted by it sequentially irradiates on the filmin after focusing through the convex surface of the top end of the focusing groove, the focusing lens concave, the image on the filmin is projected after being enlarged by the magnifying lens assembly.
[0003] Due to the single bead lamp of the projection lamp and single layer focusing lens, the projection effect is not clear enough, the pattern is small, and the dynamic effect is poor. CONTENT OF UTILITY MODEL
[0004] In view of the problems faced by the background art, the utility model provides a kind of projection lamp of double lamp beads alternating light.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical means:
[0006] A kind of projection lamp, comprising: fixed seat;First motor group, is installed in fixed seat;First light source group, is installed in the first motor group, and it includes multiple lamp beads arranged around the first motor group;Projection disc, is located above the first light source group, the projection disc includes multiple projection grooves and projection film exposed to the projection groove;Lens disc group, is located above the first light source group, the lens disc group includes multiple first lenses arranged around the central axis thereof, and the first motor drives the lens disc group to rotate;Mainboard, control two of the lamp beads alternating light, with the rotation of lens disc group, gradually appear and gradually disappear the gradual change process of projection pattern is constantly presented.
[0007] Further, the fixed seat includes the inner shell arranged around the lens disc, and the projection lamp includes the second light source group arranged around the inner shell and the projection cover covered on the inner shell.
[0008] Further, the fixed seat comprises a ring seat arranged around the inner shell, the projection cover is installed on the ring seat and above the second light source group, and a second motor group drives the ring seat to rotate and drive the projection cover to rotate.
[0009] Further, the projection cover comprises an arc-shaped part and a light-transmitting part connected to the arc-shaped part, the arc-shaped part is provided with a projection pattern, the light-transmitting part is a transparent film, the second light source group projects to the arc-shaped part, and the lens disc group is arranged in alignment with the light-transmitting part.
[0010] Further, the arc-shaped part is provided with a projection pattern, and the light-transmitting part is a transparent film.
[0011] Further, the projection lamp comprises an inner shell arranged around the lens disc group, a light-blocking plate installed on the inner shell, and a projection cover arranged above the inner shell, and the light-blocking plate blocks the light of the second light source group from being transmitted outward along the through hole or transparent film on the top of the projection cover.
[0012] Further, the light-blocking plate comprises a clamping part installed on the inner shell and an extension part extending from the clamping part towards the projection cover, the projection cover comprises an arc-shaped part and a light-transmitting part, the light of the second light source group is projected towards the arc-shaped part, the light-transmitting part is above the lens disc group, and the extension part is below the arc-shaped part.
[0013] Further, the light-transmitting part is a transparent film or a through hole structure.
[0014] Further, the projection disc group comprises an upper lens disc and a lower lens disc stacked in a vertical direction, the upper lens disc comprises an upper disc body and an upper positioning part extending downwards from the upper disc body, a plurality of first lenses are arranged on the upper disc body and around the upper positioning part, the lower lens disc comprises a lower disc body and a lower positioning part extending upwards from the lower disc body, the lower lens disc is provided with a second lens arranged in alignment with one of the first lenses in a vertical direction, a plurality of second lenses are arranged on the lower disc body and around the lower positioning part, and the upper positioning part and the lower positioning part are fixed to each other.
[0015] Further, the fixed seat comprises a plurality of light-shielding rings below the projection disc and a plurality of condensers installed on the light-shielding rings, each of the condensers is above one of the lamp beads, and the light-shielding ring comprises a plurality of clamping hooks arranged inward, and the plurality of clamping hooks are used to support the condensers.
[0016] Compared with the prior art, the projection lamp has the following beneficial effects:
[0017] The first light source group is installed on the first motor group and comprises a plurality of lamp beads arranged around the first motor group; a projection disc is located above the first light source group, the projection disc comprises a plurality of projection grooves and a projection sheet exposed to the projection grooves; a lens disc group is located above the first light source group, the lens disc group comprises a plurality of first lenses arranged around a central axis thereof, and the first motor drives the lens disc group to rotate; and a main board controls two of the lamp beads to alternately light up, so that a gradual change process of gradually appearing and gradually disappearing of a projection pattern is constantly presented with the rotation of the lens disc group, and the two projection patterns simultaneously appear, and the dynamic effect is excellent, the projection dynamic feeling is strong, and the effect is realistic. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a perspective view of the projection lamp of the utility model;
[0019] Figure 2 It is a top view of Figure 1
[0020] Figure 3 It is a sectional view along the cutting line A-A; Figure 2
[0021] Figure 4 It is a perspective exploded view of 1;
[0022] Figure 5 It is a perspective exploded view of the partial structure of 4.
[0023] Explanation of reference numerals of specific embodiments:
[0024] Projection lamp 100 Fixed seat 1 Lower seat 11 Light-transmitting hole 111 Light-shielding ring 112 Claw 1121 Condenser 113 Upper seat 12 Through hole 121 Inner shell 122 Window 1221 Light shield 123 Clamping part 1231 Extension part 1232 Limiting part 124 Slot 13 Ring seat 14 Inner gear ring 141 Buckle part 142 First motor group 2 Motor shaft 21 First light source group 3 Multiple lamp beads 31 Projection disc 4 Groove 41 Projection groove 42 Second light source group 5 Lens disc group 6 Upper lens disc 61 Upper disc body 611 First lens 612 Upper positioning part 613 Lower lens disc 62 Lower disc body 621 Second lens 622 Lower positioning part 623 Projection cover 7 Light-transmitting part 71 Arc-shaped part 72 Locking part 73 Second motor 8 Mainboard 200 DETAILED DESCRIPTION
[0025] In order to better understand the purpose, structure, features and effects of the utility model, the utility model will be further described in combination with the drawings and specific embodiments.
[0026] As shown in Figures 1 to 5 The projection lamp 100 of the utility model comprises a fixed seat 1, a first motor group 2 and a second motor group 8 installed on the fixed seat 1, a first light source group 3, a projection disc 4 located above the first light source group 3, a second light source group 5 arranged around the first light source group 3, a projection cover 7 and a shell.
[0027] As shown in Figure 1 As shown, the fixing base 1 comprises a lower seat 11, an upper seat 12 above the lower seat 11, a slot 13, and a ring seat 14 on the upper seat 12. The lower seat 11 comprises a plurality of light transmission holes 111 penetrating through the upper and lower surfaces thereof, a light shielding ring 112 arranged around each of the light transmission holes 111, and a condenser 113 mounted on the inner side of the light shielding ring 112. The light shielding rings 112 extend downward and are fixedly connected between two adjacent light shielding rings 112. The light shielding ring 112 comprises a plurality of clamping hooks 1121 extending toward the center of the light shielding ring 112, and the clamping hooks 1121 are used to support the condenser 113. The upper seat 12 comprises a through hole 121, an inner shell 122 arranged around the through hole 121, and a light blocking plate 123 mounted on the inner shell 122. The second light source group 5 is arranged around the inner shell 122. The through hole 121 is in communication with the plurality of light transmission holes 111. The inner shell 122 comprises a window 1221 penetrating upward, and the light blocking plate 123 comprises a clamping portion 1231 and an extension portion 1232 extending horizontally from the clamping portion 1231, i.e., the extension portion 1232 extends from the clamping portion 1231 toward the projection cover 7. The clamping portion 1231 is clamped to the top end of the inner shell 122, and the extension portion 1232 is located above the second light source group 5. The upper seat 12 further comprises a plurality of limiting portions 124 around the second light source group 5, and the limiting portions 124 are located between the second light source group 5 and the ring seat 14. The ring seat 14 is arranged around the second light source group 5, and the ring seat 14 comprises an inner gear ring 141 and a plurality of buckle portions 142 outside the inner gear ring 141. In this embodiment, the limiting portions 124 are limiting hook structures arranged toward the ring seat 14, and the limiting hooks block the upward movement of the ring seat 14. The second motor group 8 cooperates with the inner gear ring 141 to drive the rotation of the ring seat 14. In this embodiment, the light blocking plate 123 can be provided with a gradient color structure of a running light to increase the projection function.
[0028] As Figure 3 and Figure 4The first motor group 2 is installed on the lower base 11 and includes a motor shaft 21 extending upward and protruding into the inner shell 122. The first light source group 3 is installed above the first motor group 2, and the motor shaft 21 passes through the first light source group 3 upward. The first light source group 3 includes a plurality of lamp beads 31 arranged around the motor shaft 21, and two adjacent lamp beads 31 are arranged with a spacing. Each light shielding ring 112 is arranged around one of the lamp beads 31, and the light collector 113 is located above the lamp bead 31 to collect the light emitted by the lamp bead 31. The projection disc 4 is movably inserted into the slot 13 and located above the light collector 113. The insertion direction of the projection disc 4 is defined as the front-back direction. The projection disc 4 includes a slot 41 extending forward from the middle, a plurality of projection slots 42 arranged around the motor shaft 21, and a film exposed to the projection slots 42. The motor shaft 21 passes through the slot 41 upward and is located at the middle position of the projection disc 4. The projection slots 42 are arranged one by one corresponding to the light transmission holes 111. The projection disc 4 is exposed upward to the through hole 121.
[0029] As shown in Figure 3 and Figure 4 The center axis of the lens disc group 6 coincides with the center axis of the first motor group 2. The lens disc group 6 includes an upper lens disc 61 and a lower lens disc 62 arranged in a stack. The upper lens disc 61 includes an upper disc body 611, a plurality of first lenses 612 installed on the upper disc body 611, and an upper positioning portion 613 extending downward from the upper disc body 611. The plurality of first lenses 612 are arranged around the upper positioning portion with a spacing. The lower lens disc 62 includes a lower disc body 621, a plurality of second lenses 622 installed on the lower disc body 621, and a lower positioning portion 623 extending upward from the lower disc body 621. The plurality of second lenses 622 are arranged around the lower positioning portion 623 with a spacing. One of the first lenses 612 and one of the second lenses 622 are arranged in alignment in the up-down direction. One of the projection slots 42 and the first lens 612 are arranged in alignment in the up-down direction. The first lens 612 and the second lens 622 arranged in alignment form a gap in the up-down direction. The upper lens disc 61 includes the upper disc body 611 and the upper positioning portion 613 extending downward from the upper disc body 611. The plurality of first lenses 612 are arranged on the upper disc body 611 and around the upper positioning portion 613. The lower lens disc 62 includes the lower disc body 621 and the lower positioning portion 623 extending upward from the lower disc body 621. The plurality of second lenses 622 are arranged on the lower disc body 621 and around the lower positioning portion 623. The upper positioning portion 613 and the lower positioning portion 623 are fixed to each other.
[0030] As shown in Figure 3 and Figure 4As shown, the projection cover 7 comprises a light-transmitting part 71, an arc-shaped part 72 arranged around the light-transmitting part 71, and a plurality of locking parts 73 extending from the arc-shaped part 72 in the horizontal direction. The light-transmitting part 71 is arranged in alignment with the window 1221 in the up-down direction, and the arc-shaped part 72 corresponds to the first light source group 3. The light-transmitting part 71 is a transparent film, which plays a dustproof role. The extension part 1232 is located below the arc-shaped part 72, and blocks the light of the second light source group 5 from passing through the light-transmitting part 71 or the through hole to leak upward, i.e., blocks the light of the second light source group 5 from leaking upward to cause light interference with the first light source group 3. The locking part 73 is rotatably installed on the buckle part 142. In other embodiments, the light-transmitting part 71 can be arranged in a through hole structure, and the lens disc group 6 is exposed upward in the through hole.
[0031] When the projection lamp 100 is in operation, the light emitted by the first light source group 3 passes through the condenser lens 113, the second lens 622, the first lens 612, and the light-transmitting part 71 or the through hole in sequence. The light emitted by the second light source group 5 passes through the projection cover 7 and is projected outward. At least one or two lamp beads 31 arranged at intervals are controlled to alternately emit light by a main board 200, and with the rotation of the lens disc group 6, a gradual change process in which a projection pattern gradually disappears and appears, or two projection effects move in opposite directions and constantly present a gradual change process in which a projection pattern gradually appears and disappears. In this embodiment, two lamp beads 31 arranged at intervals are controlled to alternately emit light by the main board 200, and at least one lamp bead 31 that does not emit light is arranged between the two lamp beads 31 that emit light. In this embodiment, a plurality of lamp beads 31 are defined as A lamp bead 31, B lamp bead 31, C lamp bead 31, D lamp bead 31, E lamp bead 31, F lamp bead 31, G lamp bead 31, etc. The control program for light emission is, for example, A lamp bead 31 and C lamp bead 31 emit light, and B lamp bead 31 does not emit light; or B lamp bead 31 and D lamp bead 31 emit light, and C lamp bead 31 does not emit light; or D lamp bead 31 and F lamp bead 31 emit light, and E lamp bead 31 does not emit light, etc. The light emission mode satisfies the projection effect.
[0032] In summary, the projection lamp has the following beneficial effects:
[0033] (1) the first light source group is installed on the first motor group, and comprises a plurality of lamp beads arranged around the first motor group; a projection disc is located above the first light source group, the projection disc comprises a plurality of projection grooves and a projection sheet exposed to the projection grooves; a lens disc group is located above the first light source group, the lens disc group comprises a plurality of first lenses arranged around the central axis thereof, and the first motor group drives the lens disc group to rotate; and a mainboard controls two lamp beads in the first light source group to alternately light up, so that a gradual change process of gradually appearing and gradually disappearing of a projection pattern is constantly presented with the rotation of the lens disc group, the dynamic effect of two projection patterns appearing at the same time is excellent, the projection dynamic sense is strong, and the effect is realistic.
[0034] (2) the fixed seat 1 comprises an inner shell 122 arranged around the lens disc group 6 and a light blocking plate 123 fixed to the inner shell 122, the light blocking plate 123 is arranged around the inner shell 122, the projection lamp 100 comprises a second light source group 5 arranged around the inner shell 122, the light blocking plate 123 is located above the second light source group 5, and the light blocking plate 123 blocks the light from the second light source group 5 and the first light source group 3, so that the projection effect of the first light source group 3 is not affected by the second light source group 5.
[0035] (3) the arc-shaped part 72 is provided with a projection pattern, and the light-transmitting part 71 is a transparent film, which plays a dustproof role.
[0036] The above detailed description is only for the description of the preferred embodiments of the utility model, and does not limit the patent range of the utility model, therefore, equivalent technical changes made by applying the contents of the specification and drawings are included in the patent range of the utility model.
Claims
1. A projection lamp characterized by comprising: The projection lamp comprises a fixed seat, a first motor group installed on the fixed seat, a first light source group installed on the first motor group and comprising a plurality of lamp beads arranged around the first motor group, a projection disc located above the first light source group and comprising a plurality of projection grooves and a projection sheet exposed to the projection grooves, a lens disc group located above the first light source group and comprising a plurality of first lenses arranged around a central axis thereof, the first motor driving the lens disc group to rotate, a mainboard controlling two of the lamp beads to light alternately, and presenting a gradual change process of the projection pattern appearing and disappearing gradually with the rotation of the lens disc group. The fixed seat comprises an inner shell arranged around the lens disc, and the projection lamp comprises a second light source group arranged around the inner shell and a projection cover covered on the inner shell. The fixed seat comprises a ring seat arranged around the inner shell, the projection cover is installed on the ring seat and located above the second light source group, and a second motor group drives the ring seat to rotate and drives the projection cover to rotate. The projection cover comprises an arc-shaped part and a light-transmitting part connected to the arc-shaped part, the arc-shaped part is provided with a projection pattern, the light-transmitting part is a transparent film, the second light source projects to the arc-shaped part, and the lens disc group is arranged in alignment with the light-transmitting part upwardly; or the projection cover comprises a through hole penetrating upwardly and downwardly and an arc-shaped part arranged around the through hole, and the lens disc group is exposed to the through hole upwardly. The arc-shaped part is provided with a projection pattern, and the light-transmitting part is a transparent film. The projection lamp comprises an inner shell arranged around the lens disc group, a light-blocking plate installed on the inner shell, and a projection cover covered above the inner shell, the light-blocking plate blocks the light of the second light source group from transmitting outwardly along the through hole or the transparent film on the top of the projection cover. The light-blocking plate comprises a clamping part installed on the inner shell and an extension part extending from the clamping part toward the projection cover, the projection cover comprises an arc-shaped part and a light-transmitting part, the light of the second light source group projects toward the arc-shaped part, the light-transmitting part is located above the lens disc group, and the extension part is located below the arc-shaped part.
2. The projector lamp of claim 1, wherein: The light-transmitting part is a transparent film or a through hole structure.
3. The projection lamp of claim 2, wherein: The projection disc group comprises an upper lens disc and a lower lens disc stacked upwardly and downwardly, the upper lens disc comprises an upper disc body and an upper positioning part extending downwardly from the upper disc body, a plurality of the first lenses are arranged on the upper disc body and around the upper positioning part, the lower lens disc comprises a lower disc body and a lower positioning part extending upwardly from the lower disc body, the lower lens disc is provided with a second lens arranged in alignment with one of the first lenses upwardly and downwardly, a plurality of the second lenses are arranged on the lower disc body and around the lower positioning part, and the upper positioning part and the lower positioning part are fixed to each other.
4. The projection lamp of claim 2, wherein: The fixed seat comprises a plurality of light-shielding rings located below the projection disc and a plurality of condensers installed on the light-shielding rings, each of the condensers is located above one of the lamp beads, the light-shielding ring comprises a plurality of clamping hooks arranged inwardly, and the plurality of clamping hooks are used to support the condensers.
5. The projection lamp of claim 4, wherein: 6. The projection lamp of claim 2, wherein: 7. The projection lamp of claim 6, wherein: 8. The projection lamp of claim 7, wherein: 9. The projection lamp of any of claims 1-6, wherein: 10. The projection lamp of any of claims 1-6, wherein: