Stage lamp with obliquely-arranged color chip disc

Abstract

The stage lamp comprises a lamp holder and an arm, a light source is arranged in the lamp holder, the lamp holder is used for projecting light beams, the arm is used for supporting the lamp holder to rotate, the color chip disc is arranged in the lamp holder and provided with light-transmitting holes used for installing color chips, and every two adjacent light-transmitting holes in the circumferential direction of the color chip disc are spaced through a grating. The projection of the rotation axis of the lamp holder on the color chip disc along the optical axis of the light beam is used as a transverse axis, the axis, passing through the intersection point of the transverse axis and the optical axis and perpendicular to the transverse axis and the optical axis, on the color chip disc is used as a longitudinal axis, and the rotation center of the color chip disc is located between the transverse axis and the longitudinal axis. And the included angle between the vertical line of the optical axis passing through the rotation center of the color chip disc and the transverse axis / longitudinal axis is equal to the included angle between the connecting line of the intersection point of the grating and the optical axis and the rotation center of the color chip disc and the length direction of the grating, so that the grating projection can be in a horizontal or vertical state when the light beams are uniformly dyed by the dyeing chips with two colors at the same time.

Description

Technical Field

[0001] This utility model relates to the field of stage lighting technology, and more specifically, to a stage light with an angled color disc. Background Technology

[0002] A typical stage light includes a lamp head with a built-in light source for projecting a beam of light and an arm for supporting the rotation of the lamp head. Inside the lamp head, there is also a color filter disk for selectively intercepting and coloring the beam. The color filter disk has light-transmitting holes around its center of rotation for mounting the color filters. Adjacent light-transmitting holes on the circumference of the color filter disk are separated by a grid, the length of which is set radially along the color filter disk. If we take the projection of the lamp head's rotation axis along the optical axis of the beam onto the color filter disk as the horizontal axis, and the axis on the color filter disk that passes through the intersection of the horizontal axis and the optical axis and is perpendicular to both as the vertical axis, generally, the center of rotation of the color filter disk will be located on either the horizontal or vertical axis. This allows, depending on the conventional stage light installation angle, the grid to appear horizontal or vertical when the beam is simultaneously colored by two different colors of color filters, resulting in a more aesthetically pleasing appearance. However, in actual stage light design, such as patent CN214172148U, the compact internal space of the lamp head may prevent the rotation center of the color filter disk from being positioned on the horizontal or vertical axis. This results in the inability to achieve equal coloring of the light beam by two color filters simultaneously, or when the light beam is simultaneously colored by two color filters, the grid cannot present a horizontal or vertical state, making it look out of place with other stage lights. Utility Model Content

[0003] To overcome at least one of the defects described in the prior art, this utility model provides a stage light with an angled color plate, which enables the grid projection in the light spot to appear horizontal or vertical even when the color plate is angled.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a stage lamp with an obliquely placed color plate, including a lamp head with a built-in light source for projecting a light beam and an arm for supporting the rotation of the lamp head. The lamp head is provided with a color plate for selectively intercepting the light beam and coloring it. The color plate has light-transmitting holes for mounting coloring sheets. Two adjacent light-transmitting holes in the circumferential direction of the color plate are separated by a grid, and the grid blocks the adjacent sides of the coloring sheets corresponding to the two adjacent light-transmitting holes. The projection of the rotation axis of the lamp head along the optical axis of the light beam onto the color plate is taken as the horizontal axis, and the axis on the color plate that passes through the intersection of the horizontal axis and the optical axis and is perpendicular to both is taken as the vertical axis. The rotation center of the color plate is located between the horizontal axis and the vertical axis, and the angle between the perpendicular line of the optical axis through the rotation center of the color plate and the horizontal axis / vertical axis is equal to the angle between the line connecting the intersection of the grid and the optical axis and the rotation center of the color plate and the length direction of the grid.

[0005] When the rotation center of the color disc is located between the horizontal and vertical axes (obliquely positioned), rather than above them, by also obliquely positioning the grille at a corresponding angle, even if the angle between the perpendicular line of the optical axis passing through the rotation center of the color disc and the horizontal / vertical axis is equal to the angle between the line connecting the intersection of the grille and the optical axis and the rotation center of the color disc and the length direction of the grille, it is possible to achieve, under conventional stage light installation angles, that when the light beam is simultaneously colored by two colors of color discs (i.e., the rotation of the color disc causes the grille to pass through the optical axis), the grille projection will appear horizontal or vertical (i.e., the length direction of the grille is the same as the horizontal or vertical axis). Thus, while making reasonable use of the space within the lamp head, it is still possible to ensure that the light spot looks no different from the conventional one.

[0006] Furthermore, the angle between the perpendicular line from the optical axis passing through the center of rotation of the color filter disk and the horizontal / vertical axis ranges from 10° to 45°. Sufficient space is provided on both sides of the horizontal / vertical axis to accommodate other effects components.

[0007] Furthermore, the grille has a consistent width along its length. This ensures a uniform projected width, resulting in a more aesthetically pleasing appearance when the light spot is evenly distributed.

[0008] Furthermore, the adjacent side ends of two adjacent dye strips are staggered. This facilitates the use of a clamp to hold all the dye strips at once and mount them onto the dye plate.

[0009] Furthermore, on the two opposite sides of the dye sheet, the top end of one side protrudes beyond the dye sheet adjacent to that side, and the bottom end recedes relative to the dye sheet adjacent to that side; the bottom end of the other side protrudes beyond the dye sheet adjacent to that side, and the top end recedes relative to the dye sheet adjacent to that side. That is, the dye sheet is clamped from a diagonal direction.

[0010] Furthermore, the stained slides are all the same shape and size, which facilitates standardized production and reduces costs.

[0011] Furthermore, adjacent sides of two adjacent dyeing sheets are joined together. This allows the dyeing sheets to be arranged more closely, enabling the installation of more dyeing sheets. Of course, the number of light-transmitting holes also needs to be increased accordingly.

[0012] Furthermore, the width of the dye sheet at the end closer to the rotation center of the color plate disk is smaller than the width at the end farther from the rotation center of the color plate disk. For the same central angle, the arc length is shorter closer to the rotation center of the color plate disk. The smaller width at the end closer to the rotation center of the color plate disk reduces the area of ​​the dye sheet and saves material.

[0013] Furthermore, at least one of the light-transmitting holes is provided with a dividing strip to divide the light-transmitting hole into multiple smaller light holes. Each smaller light hole is provided with a small color patch, and the dividing strip blocks the adjacent sides of the small color patches corresponding to two adjacent smaller light holes. All the small color patches together form the dyed patch. This allows different areas of the same light spot to be dyed with different colors.

[0014] Furthermore, the number of dividing strips is two, and they are perpendicular to each other, dividing the light-transmitting hole into four small light holes. When the color plate disk rotates so that the intersection of the dividing strips passes through the optical axis, the length direction of one of the two dividing strips is the same as the horizontal axis, and the length direction of the other is the same as the vertical axis. In this way, the light spot can be divided into four equal parts in the horizontal and vertical directions, and each part can be colored. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the stage lamp with the color disc placed at an angle according to this utility model.

[0016] Figure 2 This is a schematic diagram of the combination structure of the color plate disk and the light beam of this utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the color plate disk after removing the dyeing sheet and the light beam.

[0018] Figure 4 This is a schematic diagram of the interaction structure between the color plate disk and the light beam after the color plate is removed from the color plate in another embodiment of this utility model.

[0019] In the picture:

[0020] 100. Lamp head; 130. Rotation axis; 200. Arm; 300. Chassis; 110. Light source; 120. Color filter disk; 121. Color filter; 1211. Small color filter; 122. Light transmission hole; 1221. Separator bar; 1222. Small light hole; 123. Grille; 124. Rotation center; A. Vertical axis; B. Horizontal axis; C. Optical axis; D. Vertical line; E. Center line. Detailed Implementation

[0021] The accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0022] like Figures 1 to 4 This utility model provides a stage lamp with an angled color plate, including a lamp head 100 with a built-in light source 110 for projecting a light beam and an arm 200 for supporting the rotation of the lamp head 100. The lamp head 100 has a color plate 120 for selectively intercepting and coloring the light beam. The color plate 120 has light-transmitting holes 122 for mounting coloring sheets 121. Two adjacent light-transmitting holes 122 on the circumferential direction of the color plate 120 are separated by a grid 123 (the grid 123 separates the light-transmitting holes 122 in its width direction). 23. Block the adjacent sides of the tinting plates 121 corresponding to the two adjacent light-transmitting holes 122. The projection of the rotation axis 130 of the lamp head 100 along the optical axis C of the light beam onto the tinting plate 120 is taken as the horizontal axis B. The axis on the tinting plate 120 that passes through the intersection of the horizontal axis B and the optical axis C and is perpendicular to both is taken as the vertical axis A. The rotation center 124 of the tinting plate 120 is located between the horizontal axis B and the vertical axis A (i.e., not on either the horizontal axis B or the vertical axis A), and the perpendicular line D of the optical axis C passing through the rotation center 124 of the tinting plate 120 intersects with the horizontal axis B (e.g.,...). Figure 4 ) / The vertical axis A (such as Figure 3 The included angle α between the grid 123 and the optical axis C is equal to the included angle β between the line connecting the intersection of the grid 123 and the optical axis C and the rotation center 124 of the color plate disk 120 and the length direction of the grid 123.

[0023] When the rotation center 124 of the color plate disk 120 is located between the horizontal axis B and the vertical axis A (i.e., the color plate disk 120 is tilted), rather than above the horizontal axis B and the vertical axis A, the grid 123 can also be tilted at a corresponding angle, i.e., as shown below. Figure 4 The angle α between the perpendicular line D of the optical axis C passing through the rotation center 124 of the color plate disk 120 and the horizontal axis B is equal to the angle β between the line connecting the intersection of the grid 123 and the optical axis C to the rotation center 124 of the color plate disk 120 and the length direction of the grid 123. This allows the beam to be evenly colored by two colored plates 121 simultaneously under conventional stage lighting installation angles (i.e., the color plate disk 120 rotates so that the grid 123 passes through the optical axis C), and the projection of the grid 123 will appear horizontal (i.e., the length direction of the grid 123 is the same as the horizontal axis B), or as... Figures 1-3 The angle α between the perpendicular line D of the optical axis C passing through the rotation center 124 of the color plate disk 120 and the longitudinal axis A is equal to the angle β between the line connecting the intersection of the grid 123 and the optical axis C and the rotation center 124 of the color plate disk 120 and the length direction of the grid 123. This allows the beam to be evenly colored by two colored plates 121 at the same time under the conventional stage light installation angle (i.e., the color plate disk 120 rotates so that the grid 123 passes through the optical axis C). The projection of the grid 123 will be vertical (i.e., the length direction of the grid 123 is the same as the longitudinal axis A). Thus, while making reasonable use of the space within the lamp head 100, the light spot can still look no different from the conventional one.

[0024] In this embodiment, the stage light also includes a housing 300 for supporting the rotation of the arm 200.

[0025] It should be noted that the length direction of the grid 123 refers to the direction perpendicular to its width direction, and the intersection of the grid 123 with the optical axis C specifically refers to the intersection of the center line E along its length direction with the optical axis C when each grid 123 moves to intersect with the optical axis C of the beam.

[0026] In a preferred embodiment of this invention, the angle α between the perpendicular line D of the optical axis C passing through the rotation center 124 of the color filter disk 120 and the horizontal axis B / vertical axis A ranges from 10° to 45°. This provides sufficient space on both sides of the horizontal axis B / vertical axis A for installing other effect components. When the angle α between the perpendicular line D of the optical axis C passing through the rotation center 124 of the color filter disk 120 and the horizontal axis B is greater than 45°, the rotation center 124 of the color filter disk 120 can be considered closer to the vertical axis A, and the angle α between the perpendicular line D of the optical axis C passing through the rotation center 124 of the color filter disk 120 and the vertical axis A is used instead.

[0027] In a preferred embodiment of this invention, the grating 123 has a consistent width along its length. This ensures a consistent projected width, resulting in a more aesthetically pleasing appearance when the light spot is evenly distributed. The width of the grating 123 does not need to be consistently consistent along its length; only the portion entering the light beam needs to have a consistent width. The connection points between the two ends of the grating 123 and the color filter disk 120 can have a transition. In this example, the grating 123 is wider; in other embodiments, the width of the grating 123 can be smaller.

[0028] In a preferred embodiment of this invention, the adjacent side ends of two adjacent dyeing sheets 121 are staggered. This facilitates the simultaneous clamping of all dyeing sheets 121 onto the color plate disk 120 using a clamp. In another preferred embodiment, on opposite sides of the dyeing sheets 121, the top end of one side protrudes beyond the adjacent dyeing sheet 121, while the bottom end recedes relative to the adjacent dyeing sheet 121; the bottom end of the other side protrudes beyond the adjacent dyeing sheet 121, while the top end recedes relative to the adjacent dyeing sheet 121. That is, each dyeing sheet 121 is clamped from a diagonal direction, which minimizes the area of ​​each dyeing sheet 121 that does not obstruct the light beam, thereby saving costs.

[0029] In other embodiments, the top (the end away from the rotation center 124) of one of the staining patches 121 may be higher or lower than the two adjacent staining patches 121, and the bottom (the end near the rotation center 124) may be higher or lower than the two adjacent staining patches 121, thereby achieving that the adjacent side ends of the two adjacent staining patches 121 are staggered.

[0030] In a preferred embodiment of this invention, the dyeing sheets 121 are identical in shape and size. This facilitates standardized manufacturing; only different coatings need to be applied to the dyeing sheets 121, thereby reducing costs.

[0031] In this embodiment, the stained sheet 121 is quadrilateral, with its top edge being arc-shaped and the other edges being straight.

[0032] In a preferred embodiment of this invention, adjacent sides of two adjacent dyeing sheets 121 are spliced ​​together. This allows the dyeing sheets 121 to be arranged more closely, enabling the provision of more dyeing sheets 121. Of course, the number of light-transmitting holes 122 also needs to be increased accordingly.

[0033] The adjacent sides of two adjacent stained pieces 121 are spliced ​​together, meaning that they are very close to each other, and may or may not be in contact, or may be in partial contact, but even if they are in contact, they do not necessarily have to be squeezed or subjected to force.

[0034] In a preferred embodiment of this invention, the width of the dyeing sheet 121 at the end near the rotation center 124 of the color plate disk 120 is smaller than the width at the end away from the rotation center 124 of the color plate disk 120. For the same central angle, the arc length is shorter closer to the rotation center 124 of the color plate disk 120. The smaller width of the dyeing sheet 121 at the end near the rotation center 124 of the color plate disk 120 compared to the end away from the rotation center 124 reduces the area of ​​the dyeing sheet 121 and saves material.

[0035] In a preferred embodiment of this invention, at least one of the light-transmitting holes 122 is provided with a dividing strip 1221 to divide the light-transmitting hole 122 into multiple small light holes 1222 (at least two). Each small light hole 1222 is provided with a small color patch 1211, and the dividing strip 1221 blocks the adjacent sides of the small color patches 1211 corresponding to two adjacent small light holes 1222. All the small color patches 1211 together form the dyeing patch 121. This allows different areas of the same light spot to be dyed with different colors.

[0036] Optionally, the separator strips 1221 may intersect, connect at the ends, or not contact each other, and there may be two, three, or even more. The width of the separator strips 1221 should be as narrow as possible.

[0037] In a preferred embodiment of this invention, the number of dividing strips 1221 is two, and they perpendicularly divide the light-transmitting hole 122 into four small light holes 1222. When the color plate disk 120 is rotated so that the intersection of the dividing strips 1221 passes through the optical axis C, the length direction of one of the two dividing strips 1221 is the same as the horizontal axis B, and the length direction of the other is the same as the vertical axis A. In this way, the light spot can be divided into four equal parts in the horizontal and vertical directions, and each part can be colored.

[0038] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A stage light with a color wheel disposed at an angle, characterized in that, The lamp head (100) comprises a built-in light source (110) for projecting a light beam, and a color disc (120) arranged in the lamp head (100) for selectively intercepting the light beam to color it, the color disc (120) has light transmission holes (122) for mounting color pieces (121), two adjacent light transmission holes (122) on the color disc (120) are separated by a grid (123), and the grid (123) blocks the adjacent side edges of the corresponding color pieces (121) of the two adjacent light transmission holes (122). The projection of the rotation axis (130) of the lamp head (100) on the color disc (120) along the optical axis (C) of the light beam is the horizontal axis (B), the axis on the color disc (120) passing through the intersection of the horizontal axis (B) and the optical axis (C) and perpendicular to both is the vertical axis (A), the rotation center (124) of the color disc (120) is located between the horizontal axis (B) and the vertical axis (A), and the angle between the vertical line (D) passing through the rotation center (124) of the color disc (120) and the horizontal axis (B) / vertical axis (A) is equal to the angle between the line connecting the intersection of the grid (123) and the optical axis (C) and the rotation center (124) of the color disc (120) and the length direction of the grid (123).

2. A stage light according to claim 1, wherein The angle between the vertical line (D) passing through the rotation center (124) of the color disc (120) and the horizontal axis (B) / vertical axis (A) is in the range of 10°-45°.

3. The stage light with a color wheel disc inclined according to claim 1, wherein, The grid (123) has a uniform width along its length direction.

4. The stage light with a color wheel disc inclined according to claim 1, wherein, The adjacent side edges of two adjacent color pieces (121) are staggered.

5. A stage light according to claim 4, wherein the color wheel is disposed at an angle of 45 degrees to the horizontal. 5 Among the two opposite side edges of the color piece (121), the top end of one side edge protrudes from the color piece (121) adjacent to the side edge, and the bottom end retreats relative to the color piece (121) adjacent to the side edge; the bottom end of the other side edge protrudes from the color piece (121) adjacent to the side edge, and the top end retreats relative to the color piece (121) adjacent to the side edge.

6. The stage light with a color wheel disc inclined according to claim 1, wherein, The color pieces (121) have the same shape and size.

7. The stage light with a color chip disc inclined setting according to claim 1, characterized in that, The adjacent side edges of two adjacent color pieces (121) are spliced.

8. The stage light with a color chip disc inclined setting according to claim 1, characterized in that, The width of the color piece (121) near one end of the rotation center (124) of the color disc (120) is smaller than the width of the color piece (121) away from the other end of the rotation center (124) of the color disc (120).

9. The stage light with a color chip disc inclined setting according to claim 1, characterized in that, At least one light transmission hole (122) is provided with a partition strip (1221) to divide the light transmission hole (122) into multiple small light holes (1222), each small light hole (1222) is provided with a small color piece (1211), and the partition strip (1221) blocks the adjacent side edges of the corresponding small color pieces (1211) of two adjacent small light holes (1222), and all the small color pieces (1211) collectively form the color piece (121).

10. A stage light according to claim 9, wherein The number of the division bars (1221) is 2, and the division bars (1221) perpendicularly divide the light-transmitting hole (122) into 4 small light holes (1222), and when the intersection of the division bars (1221) passes the optical axis (C) by rotating the color sheet disc (120), the length direction of one of the two division bars (1221) is the same as the horizontal axis (B), and the length direction of the other is the same as the vertical axis (A).

Images