Tower type structure color mixer for stage lamp

Abstract

The utility model provides a tower type structure color mixer for a stage lamp. The tower type structure color mixer comprises a color mixer fixing plate, a motor fixing plate, a tower type driving assembly, a first color mixing disc, a second color mixing disc, a third color mixing disc, a fourth color mixing disc, a first motor, a second motor, a third motor and a fourth motor. The tower type driving assembly comprises a fixed shaft, a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft; the first color mixing disc, the second color mixing disc, the third color mixing disc and the fourth color mixing disc are sequentially stacked above the motor fixing plate from bottom to top; the first color mixing disc is fixedly connected with the first rotating shaft, the second color mixing disc is fixedly connected with the second rotating shaft, the third color mixing disc is fixedly connected with the third rotating shaft, and the fourth color mixing disc is fixedly connected with the fourth rotating shaft. The color mixer has high integration level, the size of the color mixer can be effectively reduced, the space occupied by the color mixer is reduced, and the space utilization rate in the stage lamp is improved; and meanwhile, the device is easy to disassemble, assemble and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of stage light, concretely relates to a tower structure color mixer for stage light. BACKGROUND

[0002] Stage lighting is also called "stage illumination", and is short for "lighting", which is one of stage art modeling means. By using stage lighting equipment (such as lighting fixtures, slide projectors, control systems, etc.) and technical means, the environment, atmosphere, and center character are displayed with light color and its changes, the stage space and time are created, and the external image of stage performance is shaped, and necessary lighting effects are provided.

[0003] The color mixer is one of important components for producing different light color changes in the stage light. The color mixer is used to switch different layers of color filters in the light path to realize the change of light color. At present, the CMY color mixer is usually used to transform the color of light in the stage light, and the CMY color mixer generally includes four groups of color filters of magenta, cyan, yellow and CTO color temperature. The control system of the stage light needs to control the four groups of color filters respectively to mix different colors of light. Since four different groups of color filters need to be driven respectively, and each group of color filters includes a plurality of combined lenses, the driving structure of the traditional color mixer is relatively complex, on the one hand, the failure rate is high and it is not convenient to disassemble, assemble and maintain, on the other hand, the volume is large and a large space inside the stage light needs to be occupied. SUMMARY

[0004] Therefore, it is necessary to provide a tower structure color mixer for stage light to improve the structural integration of the color mixer, reduce the volume and occupied space of the color mixer, and improve the space utilization rate inside the stage light.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A tower structure color mixer for stage light, comprising a color mixer fixing plate, a motor fixing plate, a tower drive assembly, a first color mixing disc, a second color mixing disc, a third color mixing disc, a fourth color mixing disc, a first motor, a second motor, a third motor and a fourth motor.

[0007] The tower drive assembly comprises a fixed shaft, a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft. The lower end of the fixed shaft is vertically fixedly connected to the color mixer fixing plate. The third rotating shaft is sleeved on the middle lower part of the fixed shaft and is rotatably connected to the fixed shaft through a bearing. The second rotating shaft is sleeved on the middle part of the third rotating shaft and is rotatably connected to the third rotating shaft through a bearing. The first rotating shaft is sleeved on the middle part of the second rotating shaft and is rotatably connected to the second rotating shaft through a bearing. The fourth rotating shaft is sleeved on the upper part of the fixed shaft and is rotatably connected to the fixed shaft through a bearing.

[0008] The color mixer fixing plate is fixedly connected below the motor fixing plate, the motor fixing plate is provided with a light hole and a mounting hole, and the tower type driving assembly passes through the motor fixing plate from the mounting hole;

[0009] The first color mixing disc, the second color mixing disc, the third color mixing disc and the fourth color mixing disc are sequentially stacked above the motor fixing plate from bottom to top; the first color mixing disc is fixedly connected with the first rotating shaft, the second color mixing disc is fixedly connected with the second rotating shaft, the third color mixing disc is fixedly connected with the third rotating shaft, and the fourth color mixing disc is fixedly connected with the fourth rotating shaft; the light hole is located in the coverage area of the first color mixing disc, the second color mixing disc, the third color mixing disc and the fourth color mixing disc;

[0010] The first motor, the second motor, the third motor and the fourth motor are fixedly connected on the motor fixing plate; the first motor is in transmission connection with the first rotating shaft, the second motor is in transmission connection with the second rotating shaft, the third motor is in transmission connection with the third rotating shaft, and the fourth motor is in transmission connection with the fourth rotating shaft.

[0011] Further, the axial height of the second rotating shaft is greater than that of the first rotating shaft, so that the upper and lower ends of the second rotating shaft are exposed from the upper and lower ends of the first rotating shaft respectively; the axial height of the third rotating shaft is greater than that of the second rotating shaft, so that the upper and lower ends of the third rotating shaft are exposed from the upper and lower ends of the second rotating shaft respectively; the third rotating shaft and the fourth rotating shaft are separated by a shaft sleeve;

[0012] The upper ends of the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively provided with radially protruding first flange plates, second flange plates and third flange plates, and the lower end of the fourth rotating shaft is provided with a radially protruding fourth flange plate; the first rotating shaft is fixedly connected with the first color mixing disc through the first flange plate, the second rotating shaft is fixedly connected with the second color mixing disc through the second flange plate, the third rotating shaft is fixedly connected with the third color mixing disc through the third flange plate, and the fourth rotating shaft is fixedly connected with the fourth color mixing disc through the fourth flange plate;

[0013] The lower ends of the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively provided with first pulleys, second pulleys and third pulleys, and the upper end of the fourth rotating shaft is provided with a fourth pulley; the first rotating shaft is in transmission connection with the first motor through the first pulley, the second rotating shaft is in transmission connection with the second motor through the second pulley, the third rotating shaft is in transmission connection with the third motor through the third pulley, and the fourth rotating shaft is in transmission connection with the fourth motor through the fourth pulley.

[0014] Further, the motor fixing plate is provided with four positioning sensors, the four positioning sensors are respectively arranged at corresponding heights of the first color mixing disc, the second color mixing disc, the third color mixing disc and the fourth color mixing disc, and are respectively used for positioning sensing the rotating direction of the first color mixing disc, the second color mixing disc, the third color mixing disc and the fourth color mixing disc.

[0015] Further, the motor driving circuit board is fixedly connected to the back of the motor fixing plate, and is electrically connected with the first motor, the second motor, the third motor and the fourth motor respectively.

[0016] Further, the first color mixing disc, the second color mixing disc, the third color mixing disc and the fourth color mixing disc are all disc-shaped with a notch, and three independent color filters and one 0-100% gradual color mixing disc are distributed on the circumference of the disc.

[0017] The tower type structure color mixer for the stage lamp provided by the utility model has the advantages that the tower type driving assembly is used to realize the superimposed color mixing structure of multiple color mixing discs, has high integration, can effectively reduce the volume of the color mixer, reduce the space occupied by the color mixer, and improve the space utilization of the stage lamp. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the overall structure schematic view of the tower type structure color mixer for the stage lamp provided by the utility model embodiment.

[0019] Figure 2 is the bottom structure schematic view of the tower type structure color mixer for the stage lamp provided by the utility model embodiment.

[0020] Figure 3 is the cross-sectional view of the tower type driving assembly in the utility model embodiment.

[0021] Figure 4 is the installation process view of the first color mixing disc in the utility model embodiment.

[0022] Figure 5 is the installation process view of the second color mixing disc in the utility model embodiment.

[0023] Figure 6 is the installation process view of the third color mixing disc in the utility model embodiment.

[0024] Figure 7 is the installation process view of the fourth color mixing disc in the utility model embodiment.

[0025] Figure 8 is the structure view of the fourth color mixing disc in the utility model embodiment. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be described in detail below with reference to the drawings and specific embodiments.

[0027] AsFigures 1 to 3 As shown in the utility model embodiment provides a kind of tower structure color mixer for stage light, including color mixer fixed plate 2, motor fixed plate 1, tower drive assembly 3, first color mixing disc 41, second color mixing disc 42, third color mixing disc 43, fourth color mixing disc 44, first motor 51, second motor 52, third motor 53 and fourth motor 54.

[0028] The tower drive assembly 3 includes a fixed shaft 30, a first rotating shaft 31, a second rotating shaft 32, a third rotating shaft 33 and a fourth rotating shaft 34. The lower end of the fixed shaft 30 is vertically fixedly connected to the color mixer fixed plate 2. The third rotating shaft 33 is sleeved on the middle and lower part of the fixed shaft 30 and is rotatably connected to the fixed shaft 30 through a bearing. The second rotating shaft 32 is sleeved on the middle part of the third rotating shaft 33 and is rotatably connected to the third rotating shaft 33 through a bearing. The first rotating shaft 31 is sleeved on the middle part of the second rotating shaft 32 and is rotatably connected to the second rotating shaft 32 through a bearing. The fourth rotating shaft 34 is sleeved on the upper part of the fixed shaft 30 and is rotatably connected to the fixed shaft 30 through a bearing.

[0029] The color mixer fixed plate 2 is fixedly connected below the motor fixed plate 1 through a support column. The motor fixed plate 1 is provided with a light passing hole 10 and a mounting hole. The tower drive assembly 3 passes through the motor fixed plate 1 from the mounting hole.

[0030] The first color mixing disc 41, the second color mixing disc 42, the third color mixing disc 43 and the fourth color mixing disc 44 are sequentially stacked above the motor fixed plate 1 from bottom to top. The first color mixing disc 41 is fixedly connected to the first rotating shaft 31. The second color mixing disc 42 is fixedly connected to the second rotating shaft 32. The third color mixing disc 43 is fixedly connected to the third rotating shaft 33. The fourth color mixing disc 44 is fixedly connected to the fourth rotating shaft 32. The light passing hole 10 is located in the coverage area of the first color mixing disc 41, the second color mixing disc 42, the third color mixing disc 43 and the fourth color mixing disc 44.

[0031] The first motor 51, the second motor 52, the third motor 53 and the fourth motor 54 are fixedly connected to the motor fixed plate 1. The first motor 51 is in transmission connection with the first rotating shaft 31. The second motor 52 is in transmission connection with the second rotating shaft 32. The third motor 53 is in transmission connection with the third rotating shaft 33. The fourth motor 54 is in transmission connection with the fourth rotating shaft 34.

[0032] As shown in the utility model embodiment, Figure 2 As shown in the utility model embodiment, the side of the color mixer fixed plate 2 away from the motor fixed plate 1 is fixedly connected with a motor drive circuit board 21. The motor drive circuit board 21 is electrically connected with the first motor 51, the second motor 52, the third motor 53 and the fourth motor 54 respectively, for driving the motors to work cooperatively.

[0033] Furthermore, the motor fixing plate 1 is provided with four positioning sensors 6, which are respectively set at the corresponding heights of the first color mixing disk 41, the second color mixing disk 42, the third color mixing disk 43 and the fourth color mixing disk 44, and are used to position and sense the rotation direction of the first color mixing disk 41, the second color mixing disk 42, the third color mixing disk 43 and the fourth color mixing disk 44.

[0034] Combination Figures 3 to 7 As shown, the axial height of the second rotating shaft 32 is greater than that of the first rotating shaft 31, such that the upper and lower ends of the second rotating shaft 32 are exposed above the upper and lower ends of the first rotating shaft 31, respectively; the axial height of the third rotating shaft 33 is greater than that of the second rotating shaft 32, such that the upper and lower ends of the third rotating shaft 33 are exposed above the upper and lower ends of the second rotating shaft 32, respectively; the third rotating shaft 33 and the fourth rotating shaft 34 are separated by a bushing 35.

[0035] The upper ends of the first rotating shaft 31, the second rotating shaft 32, and the third rotating shaft 33 are respectively provided with radially protruding first flange 81, second flange 82, and third flange 83, and the lower end of the fourth rotating shaft 34 is provided with a radially protruding fourth flange 84; the first rotating shaft 31 is fixedly connected to the first color mixing disk 41 through the first flange 81, the second rotating shaft 32 is fixedly connected to the second color mixing disk 42 through the second flange 82, the third rotating shaft 33 is fixedly connected to the third color mixing disk 43 through the third flange 83, and the fourth rotating shaft 34 is fixedly connected to the fourth color mixing disk 44 through the fourth flange 84.

[0036] The lower ends of the first rotating shaft 31, the second rotating shaft 32, and the third rotating shaft 33 are respectively provided with a first pulley 91, a second pulley 92, and a third pulley 93, and the upper end of the fourth rotating shaft 34 is provided with a fourth pulley 94. The first rotating shaft 31 is connected to the first motor 51 through the first pulley 91 and the first synchronous belt 71. The second rotating shaft 32 is connected to the second motor 52 through the second pulley 92 and the second synchronous belt 72. The third rotating shaft 33 is connected to the third motor 53 through the third pulley 93 and the third synchronous belt 73. The fourth rotating shaft 34 is connected to the fourth motor 54 through the fourth pulley 94 and the fourth synchronous belt 74.

[0037] like Figure 8 As shown, the first color mixing disk 41, the second color mixing disk 42, the third color mixing disk 43, and the fourth color mixing disk 44 have roughly the same structure, all being discs with notches. Taking the fourth color mixing disk 44 as an example, the fourth color mixing disk 44 has three independent color filters 45 and one 0-100% gradient color mixing filter 46 distributed along the circumference.

[0038] The utility model discloses a work time, can drive each motor through motor drive circuit board 21 and carry out the cooperative work, first motor 51, second motor 52, third motor 53 and fourth motor 54 drive first mixed color disc 41, second mixed color disc 42, third mixed color disc 43 and fourth mixed color disc 44 independent rotation respectively.When the independent filter of mixed color disc 45 rotates to the light hole 10 top, can handle the light into the corresponding color, when the 0-100% gradient mixed color piece 46 of mixed color disc rotates to the light hole 10 top, can adjust the light transmission transparency (intensity), when the gap of mixed color disc rotates to the light hole 10 top, then do not make any processing to the light. Through the mixed superposition of four mixed color discs, the color mixing of stage light can be realized, and any color light can be mixed.

[0039] The utility model provides a tower type structure mixed color ware for stage lamp, through tower type drive assembly realizes the superposition color mixing structure of multiple mixed color disc, it possesses higher integration, can effectively reduce the volume of mixed color ware, reduces the space of mixed color ware occupied, improves the space utilization of stage lamp inside. Meanwhile, multiple mixed color disc in the utility model is connected on tower type drive assembly through the way of layering, and its connecting structure is simple and stable, has the advantages of easy to disassemble, easy to maintain.

[0040] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be the attached right claim.

Claims

1. A tower structure color mixer for a stage light, characterized by, The mixing device comprises a mixing device fixing plate, a motor fixing plate, a tower type driving assembly, a first mixing disc, a second mixing disc, a third mixing disc, a fourth mixing disc, a first motor, a second motor, a third motor and a fourth motor. The tower type driving assembly comprises a fixed shaft, a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft; the lower end of the fixed shaft is vertically fixedly connected to the mixing device fixing plate; the third rotating shaft is sleeved on the middle lower part of the fixed shaft and is rotationally connected to the fixed shaft through a bearing; the second rotating shaft is sleeved on the middle part of the third rotating shaft and is rotationally connected to the third rotating shaft through a bearing; the first rotating shaft is sleeved on the middle part of the second rotating shaft and is rotationally connected to the second rotating shaft through a bearing; the fourth rotating shaft is sleeved on the upper part of the fixed shaft and is rotationally connected to the fixed shaft through a bearing. The mixing device fixing plate is fixedly connected to the lower side of the motor fixing plate through a supporting column; the motor fixing plate is provided with a light passing hole and a mounting hole; the tower type driving assembly passes through the motor fixing plate from the mounting hole. The first mixing disc, the second mixing disc, the third mixing disc and the fourth mixing disc are sequentially stacked from bottom to top above the motor fixing plate; the first mixing disc is fixedly connected to the first rotating shaft; the second mixing disc is fixedly connected to the second rotating shaft; the third mixing disc is fixedly connected to the third rotating shaft; the fourth mixing disc is fixedly connected to the fourth rotating shaft; the light passing hole is located in the coverage area of the first mixing disc, the second mixing disc, the third mixing disc and the fourth mixing disc. The first motor, the second motor, the third motor and the fourth motor are fixedly connected to the motor fixing plate; the first motor is in transmission connection with the first rotating shaft; the second motor is in transmission connection with the second rotating shaft; the third motor is in transmission connection with the third rotating shaft; the fourth motor is in transmission connection with the fourth rotating shaft.

2. A tower mixer for a stage light according to claim 1, characterized in that, The axial height of the second rotating shaft is greater than that of the first rotating shaft, so that the upper and lower ends of the second rotating shaft are exposed from the upper and lower ends of the first rotating shaft respectively; the axial height of the third rotating shaft is greater than that of the second rotating shaft, so that the upper and lower ends of the third rotating shaft are exposed from the upper and lower ends of the second rotating shaft respectively; the third rotating shaft and the fourth rotating shaft are separated by a shaft sleeve. The upper ends of the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively provided with radially protruding first flange plates, second flange plates and third flange plates; the lower end of the fourth rotating shaft is provided with a radially protruding fourth flange plate; the first rotating shaft is fixedly connected to the first mixing disc through the first flange plate; the second rotating shaft is fixedly connected to the second mixing disc through the second flange plate; the third rotating shaft is fixedly connected to the third mixing disc through the third flange plate; the fourth rotating shaft is fixedly connected to the fourth mixing disc through the fourth flange plate. The lower ends of the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively provided with first pulleys, second pulleys and third pulleys; the upper end of the fourth rotating shaft is provided with a fourth pulley; the first rotating shaft is in transmission connection with the first motor through the first pulley; the second rotating shaft is in transmission connection with the second motor through the second pulley; the third rotating shaft is in transmission connection with the third motor through the third pulley; the fourth rotating shaft is in transmission connection with the fourth motor through the fourth pulley.

3. A tower mixer for a stage light according to claim 2, wherein, The motor fixing plate is provided with four positioning inductors, which are arranged at the corresponding heights of the first, second, third and fourth color mixing discs respectively and are used for positioning the rotation directions of the first, second, third and fourth color mixing discs respectively.

4. The tower mixer for a stage light according to claim 2, wherein, The motor driving circuit board is fixedly connected to the side of the color mixer fixing plate which is opposite to the motor fixing plate, and is electrically connected with the first, second, third and fourth motors respectively.

5. The tower color mixer for a stage light according to claim 2, wherein, The first, second, third and fourth color mixing discs are all disc-shaped with notches, and three independent color filters and one 0-100% gradual color mixing disc are distributed on the circumference of each disc.

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