CN213900947U

CN213900947U - Dynamic firefly effect lamp

Info

Publication number: CN213900947U
Application number: CN202023117803.5U
Authority: CN
Inventors: 傅高武; 杨勉; 彭岳棋
Original assignee: Hunan Minghe Opto Tech Co ltd
Current assignee: Hunan Minghe Opto Tech Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-06
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a dynamic firefly effect lamp, which comprises a shell, an optical component and a driving component, wherein the optical component and the driving component are arranged in the shell; the optical component comprises a laser light source, a condensing lens, a first reflector group, a reflector, an aspheric lens, a second reflector group and a color piece which are sequentially arranged along a light path; the driving assembly comprises a first motor, wherein the rotating shaft is connected with the second reflecting mirror group. The problem of current atmosphere lamp can't simulate out the light spot size random variation of firefly and then realize the light and go out, and the effect of light spot random motion can be solved.

Description

Dynamic firefly effect lamp

Technical Field

The utility model relates to an effect lamp field especially relates to a developments firefly effect lamp.

Background

The effect lamp is a kind of stage movie and television lamp which utilizes the combination of light, mechanical transmission and electric control to project various scenery, natural weather change and illusion scenery. It can show various static scenery and moving scenery such as rain, snow, flame, cloud, wave, lightning, sun rising, etc. and can also show various changes of mountains and waters, mines, etc. by using dynamic shadow as background. The lamp can be used for various dance music, rhythm sound and the like on a stage to configure various effects. The effect lamps are classified into universe ball lamps, rolling lamps, multi-head rotating lamps, mirror reflection balls, stroboscopic lamps, scanning lamps, mushroom lamps, flying saucer lamps, color lamp chains, fountain effect lamps, firefly effect lamps and the like.

The existing firefly effect lamp can only show regular movement of light spots generally, but cannot simulate the random change of the size of the light spots of firefly so as to realize the effect of bright extinguishment and random movement of the light spots.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the present invention provides a dynamic firefly effect lamp, which includes a housing, and an optical assembly and a driving assembly disposed in the housing;

the optical component comprises a laser light source, a condensing lens, a first reflector group, a reflector, an aspheric lens, a second reflector group and a color piece which are sequentially arranged along a light path; the driving assembly comprises a first motor, a second motor and a driving mechanism, wherein the rotating shaft of the first motor is connected with the second reflector set;

the second mirror group includes with the concave surface disk body that the pivot of first motor is connected and sets up a plurality of lenses on the concave surface of concave surface disk body, the lens are irregularly arranged.

Preferably, the first reflector group is arranged on one side of the focusing lens far away from the laser light source, and the first reflector group is formed by combining a plurality of plane mirrors and is arranged in a horn shape.

Preferably, the dynamic firefly effect lamp further comprises a heat dissipation assembly, wherein the heat dissipation assembly comprises a heat dissipation piece connected with the laser light source and a fan arranged on one side of the heat dissipation piece.

Preferably, developments firefly effect lamp is still including setting up be provided with the first mounting panel that the interval set up in the casing, optical assembly sets up on the first mounting panel, the lateral wall of casing is provided with logical unthreaded hole, the colour piece sets up logical unthreaded hole department.

Preferably, the dynamic firefly effect light further comprises a second mounting plate disposed in the housing;

developments firefly effect lamp still includes control assembly, control assembly is including setting up control circuit board on the second mounting panel, setting are in the control knob, power source, display screen and the data interface of casing outer wall.

Preferably, the first mirror group, the second mirror group and the third mirror group are front surface mirrors; the included angle between the incident light and the emergent light at the reflector is 60-120 degrees.

Preferably, the dynamic firefly effect lamp further comprises a diaphragm disposed between the reflector and the aspheric lens.

Preferably, the driving assembly further comprises a second motor driving the scaling of the clear aperture of the diaphragm.

The utility model discloses well laser ray forms the chief beam and disperses the auxiliary beam outside the chief beam through the refraction of condensing lens, chief beam direct irradiation is on the speculum, auxiliary beam is through the reflection of first speculum group, further disperse into a plurality of light beams and shine on the second reflector, second reflector reflection chief beam and auxiliary beam, it is main, auxiliary beam forms dispersed light spot through aspheric lens refraction back and shining on the second speculum group, the light spot reflects through a plurality of lenses on the second speculum group, further disperse into a plurality of light spots, the first motor of motor drive circuit control rotates, lens in the corresponding second reflector can take place to deflect, the light receiving area of each lens changes from this, the random variation of each light spot size has been realized, the deflection of lens corresponds the light spot and can produce the skew in addition, the motion trail of light spot also corresponds random variation.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a dynamic firefly effect light;

FIG. 2 is a schematic diagram of the structure of the optical assembly of the embodiment of FIG. 1;

FIG. 3 is a schematic structural diagram of a control assembly in the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of the second mirror set of the embodiment of FIG. 1;

fig. 5 is a schematic structural diagram of the diaphragm in the embodiment of fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 5, the dynamic firefly effect lamp includes a housing, and an optical assembly 20 and a driving assembly disposed in the housing; the shell is a cubic structure and comprises a cubic shell wall 11, a first mounting plate 12 and a second mounting plate 13 which are arranged at intervals are arranged inside the shell wall 11, and a hinged lifting beam 14 is further arranged outside the shell wall 11.

The optical assembly 20 includes a laser light source, a condenser lens, a first mirror group 23, a mirror 24, an aspheric lens 26, a second mirror group 27, and a color plate 28, which are sequentially arranged along an optical path. Specifically, the heat sink 41 is provided with a plurality of heat dissipation fins, which are disposed on the first mounting plate 12 and are disposed close to the housing wall 11, and a heat dissipation fan is further disposed on one side of the heat sink 41.

The optical assembly 20 is disposed on the first mounting plate 12, and the laser light source and the condenser lens are disposed in the heat sink 41 to dissipate heat in time. After the laser light source is refracted by the condenser lens, the irradiation angle is enlarged to form a main beam and a side beam. The first reflector group 23 is disposed on the heat sink 41 and is located on a side of the condenser lens away from the laser light source. The first reflecting mirror group 23 is formed by a plurality of trapezoidal plane mirror groups and arranged in a centrosymmetric manner to form a horn-shaped structure, and the plane mirrors are not connected with each other, so that each secondary light beam is further dispersed to form a plurality of light beams. The reflecting mirror 24 is provided at the front end of the horn of the first reflecting mirror group 23 and fixed by a first mounting base 24a provided on the first mounting plate 12. The reflecting mirror 24 is preferably a plane mirror, and the included angle between the incident light and the emergent light of the plane mirror is 60-120 degrees. The turning of the light at the reflector 24 reduces the space occupied by the optical module, making the structure more compact.

In the present embodiment, the aspherical lens 26 is disposed on one side of the plane mirror and fixed by a second mount 26a provided on the first mount plate 12. The focal length of the aspherical mirror is 100-110 mm, the transmittance is greater than 98%, the aspherical mirror is used for performing light spot imaging on light, and the main light beam and the dispersed auxiliary light beam are refracted by the aspherical lens 26 and then projected on the second reflecting mirror group 27. The second reflecting mirror group 27 comprises a concave disc body 27a and a plurality of lenses 27b arranged on the inner concave surface of the concave disc body 27a, and the lenses 27b are irregularly arranged. Specifically, the lenses 27b can be configured in a circle, a square, a triangle, a special shape, etc., and the arrangement of the inner concave surfaces is also random. The main beam and the dispersed sub-beams are reflected out of a plurality of spots by a plurality of mirrors 27b on the second mirror group 27.

Further, the first motor is fixed on a motor mounting seat which is arranged at one side of the second mounting seat 26a, and the second reflector group 27 is arranged on a rotating shaft of the first motor. The specific second reflecting mirror group 27 comprises a concave disc body 27a connected with the rotating shaft of the first motor and a plurality of lenses 27b arranged on the inner concave surface of the concave disc body 27a, and the lenses 27b are irregularly arranged. The lenses 27b may be configured in a circle, square, triangle, profile, etc., and the arrangement of the inner concave surfaces is also random.

The rotation of the first electrode causes the deflection of the mirror 27b in the second reflective mirror, so that the light receiving area of each mirror 27b is changed, and the random variation is generated corresponding to the size of each light spot, and the effect of random on-off of the light spot is generated correspondingly. In addition, the position of the light spot is shifted when the mirror 27b is deflected, and the movement locus of the light spot also has the effect of randomly changing. The first reflector group 23, the reflector 24 and the second reflector group 27 are front surface reflectors, the front surface reflectors with high reflectance ratio can improve the output power of the laser in multiples, the first reflector reflects, the reflected images are not distorted and ghost images do not exist, the reflected light does not generate ghost images, the imaging of a single light spot is more concentrated, and the light-emitting characteristic of the firefly can be better simulated.

In this embodiment, a light hole is formed on the housing wall 11 adjacent to the second reflection assembly, and the color sheet 28 is disposed at the light hole, and in order to imitate the color light of firefly, the color sheet 28 is preferably yellow, and here, color sheets with different colors can be selected to create different lighting atmospheres.

In another embodiment of the present invention, the dynamic firefly effect light further comprises a second mounting plate 13 disposed in the housing; the dynamic firefly effect lamp further comprises a control assembly, wherein the control assembly comprises a control circuit board 51 arranged on the second mounting plate 13, a control knob 53 arranged on the outer wall of the shell, a power interface 54, a display screen 52 and a DMX512 data interface 55. The control knob 53, the power interface 54, the display screen 52 and the DMX512 data interface 55 are electrically connected with the control circuit board, and the control assembly is used for realizing the detection control of the temperature of the light source; DMX512 signal control; controlling the brightness of the light source; the stepping motor is clockwise fast and slow; and performing fast and slow control in a counterclockwise direction.

In a further embodiment of the invention, the dynamic firefly effect lamp further comprises a diaphragm 25 disposed between the reflector 24 and the aspheric lens 26. The diaphragm 25 includes a mounting ring 25a, a light blocking sheet 25b, a shifting ring 25c and a clamp spring 25d which are arranged in sequence. The mounting ring 25a is provided with hinge holes which are annularly arranged, one surface of the shifting ring 25c is provided with a radial sliding groove, one end of the light blocking piece 25b is connected with the hinge holes, the other end of the light blocking piece is connected with the sliding groove in a sliding mode, and the clamp spring 25d is used for connecting the mounting ring 25a and the shifting ring 25 c. The drive assembly also comprises a second motor driving the scaling of the clear aperture of the diaphragm 25. Specifically, still be provided with the third mount pad on the first mounting panel, collar 25a passes through the third mount pad to be fixed on first mounting panel, still is provided with the arc spout on the third mount pad, dials outside of ring 25c and extends and is provided with a driving lever, the one end and the arc spout sliding connection of driving lever. A spring is further arranged in the arc-shaped sliding groove, and one end of the spring is abutted to the shifting rod. The second motor is provided with a cam which is abutted against one side of the deflector rod far away from the arc spring. The cam rotates to push the shifting lever to slide in the sliding groove so as to control the zooming of the light through hole.

In this embodiment, the aperture 25 can adjust the light entering range of the aspheric lens 26, and further control the irradiation range of the light spots in the second reflecting mirror group 27, so as to control the number of reflected light spots. The second motor is electrically connected to the control circuit board 51 to automatically control the size of the light-passing hole of the diaphragm 25 and the number of light spots.

In the utility model, the laser beam is refracted by the focusing lens to form a main beam and an auxiliary beam scattered outside the main beam, the main beam directly irradiates on the reflector 24, the auxiliary beam is further scattered into a plurality of beams and irradiates on the second reflector by the reflection of the first reflector group 23, the main beam and the auxiliary beam are reflected by the second reflector, the main beam and the auxiliary beam are refracted by the aspheric lens and irradiate on the second reflector group to form scattered light spots, the light spots are reflected by a plurality of lenses 27b on the second reflector group 27 and further scattered into a plurality of light spots, the motor driving circuit controls the first motor to rotate, the deflection of the mirror 27b corresponding to the second reflective mirror changes the light receiving area of each mirror 27b, thereby realizing random variation of the size of each light spot, and the deflection of the mirror 27b generates deviation corresponding to the light spot, and the movement locus of the light spot also changes randomly.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims

1. A dynamic firefly effect light, characterized in that, the dynamic firefly effect light includes the body and optical assembly and drive assembly set up in the said body;

2. The dynamic firefly effect light of claim 1, wherein the first set of reflectors is disposed on a side of the focusing lens away from the laser source, and the first set of reflectors is formed by combining a plurality of flat mirrors and is in a horn shape.

3. The dynamic firefly effect light of claim 1, further comprising a heat sink assembly including a heat sink connected to the laser light source and a fan disposed on one side of the heat sink.

4. The dynamic firefly effect light of claim 1, further comprising a first mounting plate disposed within the housing at spaced intervals, the optical assembly being disposed on the first mounting plate, the side wall of the housing being provided with light passing holes, the color chips being disposed at the light passing holes.

5. The dynamic firefly effect light of claim 1, further comprising a second mounting plate disposed in the housing;

6. The dynamic firefly effect light of claim 1, wherein the first, second, and third sets of reflectors are front surface reflectors; the included angle between the incident light and the emergent light at the reflector is 60-120 degrees.

7. The dynamic firefly effect light of claim 1, further comprising a diaphragm disposed between the reflector and the aspheric lens.

8. The dynamic firefly effect light of claim 7, wherein the drive assembly further comprises a second motor that drives the scaling of the clear aperture of the diaphragm.