CN218848550U - Projection lamp - Google Patents

Abstract

The utility model relates to a projection equipment field discloses a projection lamp, it includes first lens board, U type support, casing and install projection group and the driving piece in the casing, be equipped with the mounting groove that is used for installing first lens board on casing one side, projection group is including film, the circuit board and install second lens board and a plurality of light emitting source on the circuit board, be equipped with the second convex lens with the same quantity of light emitting source on the second lens board, the output of driving piece pass circuit board and second lens board in proper order and with film fixed connection, the focus of the convex lens on the light beam through the second lens board that sends, the light emitting source is dispersed with a plurality of first convex lens on the first lens board of pattern projection rethread on the film, and because film orders about the rotation under the driving piece, it is a plurality of, it is clear, and the projection picture that pivoted film pattern is constituteed, richen projection effect, improve user and use experience.

Description

Projection lamp

Technical Field

The utility model relates to a projection equipment field especially relates to a projection lamp.

Background

The projection lamp projects the outline of the sheet body and the pattern on the transparent or semitransparent sheet body through a light beam to obtain a projection picture corresponding to the outline or the pattern, and the conventional projection lamp projects only the object or the pattern on the object to be projected as mentioned above, which is single.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at solves current projection lamp projection picture single, can't satisfy the problem of user experience demand.

The utility model provides a projection lamp, it includes first lens board, U type support, casing and installs projection group and driving piece in the casing, be equipped with a plurality of first convex lens on the first lens board, be equipped with on casing one side and be used for the installation the mounting groove of first lens board, projection group includes film, circuit board and installs second lens board and a plurality of light emitting source on the circuit board, be equipped with on the second lens board with the second convex lens of the same quantity of light emitting source, the output of driving piece passes in proper order the circuit board with the second lens board and with film fixed connection, wherein the driving piece orders about down, film rotates, U type support rotationally installs on the casing, be equipped with 2 or more than 2 on the second lens board and be used for fixing the fixed foot on the circuit board, the height range of fixed foot is 5-15mm.

Preferably, the number of the first convex lenses is 6 or more than 6.

Preferably, there are 4 or more than 4 light emitting sources.

Preferably, the light emitting source comprises an LED lamp bead.

Preferably, the second convex lens is a plano-convex lens, and the plano-convex lens is a cup-shaped structure.

Preferably, one side of the second convex lens close to the light-emitting source is a plane, and one side of the convex lens far away from the light-emitting source is an arc convex surface.

Preferably, the vertical distance range between the light emitting surface of the LED lamp bead and one side of the plane of the convex lens is 0-5mm.

Preferably, a power supply bin is arranged in the shell, and a lead hole communicated with the power supply bin is formed in the shell.

Preferably, the projection lamp further comprises a U-shaped bracket rotatably mounted on the housing.

The beneficial effects of the utility model reside in that: this projection lamp includes first lens board, U type support, casing and installs projection group and driving piece in the casing, be equipped with on casing one side and be used for the installation the mounting groove of first lens board, projection group includes film, circuit board and installs second lens board and a plurality of light emitting source on the circuit board, be equipped with on the second lens board with the second convex lens of the same quantity of light emitting source, the output of driving piece passes in proper order the circuit board with second lens board and with film fixed connection, the focus of the convex lens on the light emitting source sent the light beam through the second lens board disperses a plurality of first convex lens on the first lens board of pattern projection rethread on the film to because the film is rotated under the driving piece is ordered about, obtain be a plurality of clear, bright and the projection picture that pivoted film pattern is constituteed, richen projection effect improves user and uses experience.

Drawings

Fig. 1 is a structural state diagram of a first embodiment of the present invention;

fig. 2 is a top view of a first embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view of section A-A of FIG. 2;

fig. 4 is a schematic view of an internal structure of a first embodiment of the present invention;

FIG. 5 is a schematic view of the projection array and the driving member of FIG. 4;

FIG. 6 is a cross-sectional view of portion B-B of FIG. 5;

FIG. 7 is an exploded view of the projection array and driver of FIG. 4;

fig. 8 is a first schematic structural view of a second lens plate according to a first embodiment of the present invention;

fig. 9 is a second schematic structural view of a second lens plate according to the first embodiment of the present invention;

fig. 10 is a schematic structural diagram of a first lens plate according to a first embodiment of the present invention;

fig. 11 is a schematic structural diagram of a first lens plate according to a second embodiment of the present invention.

Reference numbers in the figures: 100 first lens plates, 200 shells, 201 installation grooves, 202 power supply bins, 203 lead holes, 300 projection groups, 301 film, 302 circuit boards, 303 second lens plates, 304 luminous sources, 305 second convex lenses, 306 fixing pins, 400 driving parts and 500U-shaped supports.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-11, in a first aspect, the present invention provides a projection lamp, which includes a first lens plate 100, a U-shaped bracket 500, a housing 200, and a projection set 300 and a driving member 400 installed in the housing 200, wherein the first lens plate 100 is provided with a plurality of first convex lenses, a mounting groove 201 for installing the first lens plate 100 is formed on one side of the housing 200, the projection set 300 includes a film 301, a circuit board 302, and a second lens plate 303 and a plurality of light sources 304 installed on the circuit board 302, the second lens plate 303 is provided with a second convex lens 305 having the same number as the light sources 304, an output end of the driving member 400 sequentially passes through the circuit board 302 and the second lens plate 303 and is fixedly connected to the film 301, wherein the film 301 rotates under the driving of the driving member 400, and the U-shaped bracket 500 is rotatably installed on the housing 200.

Specifically, the housing 200 is a cylindrical spotlight structure, an outward opening is formed on one side of the housing 200 provided with the mounting groove 201, the mounting groove 201 is a ring groove on an inner wall of the opening, wherein the housing 200 is formed by combining an upper half cylinder and a lower half cylinder, the contour shape of the first lens plate 100 includes, but is not limited to, a circle, a square, a triangle or a polygon, and the like, in this embodiment, in order to enable the first lens plate 100 to be conveniently mounted in the mounting groove 201, the first lens plate 100 adopts a circular contour, the film sheet 301, the second lens plate 303, the circuit board 302 and the driving element 400 are sequentially and linearly arranged inside the housing 200, the light emitting source 304 is arranged on the circuit board 302 and provides a power supply and a light emitting start/stop instruction through the circuit board 302, the driving element 400 is a speed reduction motor, an output end of the speed reduction motor is a rotating shaft, the rotating shafts of the speed reduction motor are arranged at the central positions of the second lens plate 303 and the circuit board 302, a circular hole is formed in the center of the film sheet, the film sheet is locked with the rotating shaft of the driving element 400 through a screw, and the driving element 400 can be detached to replace film sheets with other special effects.

Furthermore, the number of the first convex lenses is 6 or more than 6.

Referring to fig. 7 and 8, the number of the first convex lenses on the first lens plate 100 is preferably 6 or more, wherein the first convex lenses have arc-shaped convex structures on both sides of the first lens plate 100.

Further, there are 4 or more than 4 light emitting sources 304, and the light emitting sources 304 include LED lamp beads.

Specifically, since the number of the second convex lenses 305 on the second lens plate 303 is the same as that of the light-emitting sources 304, when the second lens plate is installed, one second convex lens 305 corresponds to a position right above each light-emitting source 304, and is used for converging and diverging the light beam of each light-emitting source 304 and ensuring a small light loss, the light beam diverging from the second convex lens 305 is irradiated on the film 301 and projects the pattern on the film 301, and although the projected pattern can have a good light and shadow effect at this time, in the present embodiment, the projection requires that 6 or more than 6 convex lenses on the first lens plate 100 pass through to change the projected pattern into a plurality of projected images, thereby enriching the whole picture.

Further, the second convex lens 305 is a plano-convex lens, the plano-convex lens is a cup-shaped structure, one side of the second convex lens 305 close to the light source 304 is a plane, and one side of the second convex lens 305 away from the light source 304 is an arc-shaped convex surface.

The vertical distance range between the light emitting surface of the LED lamp bead and one side of the plane of the second convex lens 305 is 0-5mm.

Referring to fig. 4-6, because the light beam of the LED lamp bead is scattered in multiple directions when the LED lamp bead emits light, in order to capture most of the light beam emitted by the LED lamp bead to a large extent, the light beam loss of the LED lamp bead is reduced by adjusting the vertical distance between the light beam and the light emitting surface of the LED lamp bead, so that most of the light beam emitted by the LED lamp bead can be refracted by the second convex lens 305, thereby achieving a good projection effect, and the final image frame does not need to have brightness improved by increasing the voltage of the LED lamp bead or other modes to achieve a clear effect.

Further, the second lens plate 303 is provided with 2 or more than 2 fixing pins 306 for fixing on the circuit board 302, and the height range of the fixing pins 306 is 5-15mm.

Specifically, the fixing pins 306 may be, but not limited to, fixing posts, fasteners, adhesive connectors, or magnetic connectors, wherein the fixing pins 306 in this embodiment are fixing posts, and the fixing posts are provided with threaded holes, and the circuit board 302 further has positioning holes corresponding to the fixing posts, the number of the positioning holes is the same as that of the fixing posts, the second lens plate 303 is fixed on the circuit board 302 by passing screws through the positioning holes of the circuit board 302 to be fixedly connected with the fixing posts, and when a collision or other external force influences occur, the second lens plate 303 can be stably fixed on the circuit board 302, so that light beam refraction of the LED lamp beads is not influenced, and normal final projection imaging is ensured.

Further, a power supply bin 202 is arranged in the shell 200, a lead hole 203 communicated with the power supply bin 202 is arranged on the shell 200, the power supply bin 202 is used for placing a power supply driving board, and the power supply driving board is connected with a power supply wire led in from the lead hole 203 to transform 100v-220v to a voltage at which the projection lamp can normally operate, and meanwhile, power is provided for the projection lamp.

The above description is only for the embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall within the scope of the present invention.

Claims (9)

1. A projection lamp, comprising:

the lens comprises a first lens plate, a second lens plate and a third lens plate, wherein a plurality of first convex lenses are arranged on the first lens plate;

a housing, wherein one side of the housing is provided with a mounting groove for mounting the first lens plate;

the projection group comprises a film sheet, a circuit board, a second lens plate and a plurality of light-emitting sources, the second lens plate and the plurality of light-emitting sources are mounted on the circuit board, second convex lenses with the same number as the light-emitting sources are arranged on the second lens plate, the output end of the driving piece sequentially penetrates through the circuit board and the second lens plate and is fixedly connected with the film sheet, and the film sheet rotates under the driving of the driving piece;

the second lens plate is provided with 2 or more than 2 fixing pins for fixing on the circuit board, and the height range of the fixing pins is 5-15mm.

2. The projection lamp of claim 1, wherein 6 or more than 6 first convex lenses are provided.

3. The projection lamp of claim 1, wherein there are 4 or more than 4 light-emitting sources.

4. The projection lamp of claim 1 wherein the light emitting source comprises an LED lamp bead.

5. The projection lamp of claim 4 wherein the second convex lens is a plano-convex lens that is a cup-shaped structure.

6. The projection lamp of claim 5, wherein the side of the second convex lens close to the light source is a plane, and the side of the second convex lens away from the light source is an arc-shaped convex surface.

7. The projection lamp of claim 6, wherein the perpendicular distance between the light emitting surface of the LED lamp bead and the planar side of the convex lens is in the range of 0-5mm.

8. The projection lamp of claim 1, wherein a power supply compartment is provided in the housing, and a wire hole is provided in the housing to connect to the power supply compartment.

9. The projection lamp of claim 1 further comprising a U-shaped bracket rotatably mounted to the housing.

Images