CN108506816B - Novel dimming sheet and stage lamp with same - Google Patents
Novel dimming sheet and stage lamp with same Download PDFInfo
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- CN108506816B CN108506816B CN201810449948.3A CN201810449948A CN108506816B CN 108506816 B CN108506816 B CN 108506816B CN 201810449948 A CN201810449948 A CN 201810449948A CN 108506816 B CN108506816 B CN 108506816B
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- dimming
- transparent
- light
- structures
- sheet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
Abstract
The invention relates to the technical field of dimming, in particular to a novel dimming sheet and a stage lamp with the same, wherein the dimming sheet comprises a light-tight part and a dimming part which are connected; the opaque part is a first opaque structure; the dimming part comprises transparent structures and second non-transparent structures which are alternately arranged, and the transparent structures and the second non-transparent structures respectively cover the whole light-emitting surface. After the two dimming sheets are installed on a stage lamp in a certain height difference mode, the transparent structures and the second non-transparent structures of the two dimming sheets are arranged in a staggered mode, the two dimming sheets are driven to move in opposite directions, the second non-transparent structure of one dimming sheet slowly covers the transparent structure of the other dimming sheet, 100% of light can be reduced to 0% in the process of slow closing, the two dimming sheets are driven to move backwards after being completely closed, the two dimming sheets are slowly separated from each other, and 0% of light can be increased to 100% in the process of opening; this novel dimming piece, it is effectual to adjust luminance, and simple structure.
Description
Technical Field
The invention relates to the technical field of dimming, in particular to a novel dimming sheet and a stage lamp with the same.
Background
The brightness of the emergent light is an important index of stage lighting, and is very important in the application of places such as stages and the like. In order to adjust the light-emitting brightness of the stage lamp and change the environmental atmosphere of the stage, the dimming sheet is often installed on the stage lamp, so as to present a more perfect stage effect. The existing dimming sheet is poor in dimming effect, and cannot achieve the expected stage effect after being applied to the stage lamp, so that the requirements of users cannot be met. In addition, when the dimming sheet is used for dimming, the color temperature can be changed obviously in the process of 0% -100% of the brightness.
Disclosure of Invention
The invention aims to overcome at least one defect in the prior art, and provides a novel dimming sheet which is good in dimming effect and simple in structure.
In order to achieve the purpose, the invention adopts the technical scheme that:
providing a novel dimming sheet, which comprises an opaque part and a dimming part which are connected; the opaque part is a first opaque structure; the dimming part comprises transparent structures and second non-transparent structures which are alternately arranged, and the transparent structures and the second non-transparent structures respectively cover the whole light-emitting surface.
The light rays cannot exit from the first non-transparent structure and the second non-transparent structure and only exit from the transparent structure.
In the scheme, the light-dimming sheet is convenient to mount on a stage lamp by arranging the light-tight part, the two light-dimming sheets are arranged on the stage lamp in a certain height difference manner, the transparent structures and the second non-transparent structures of the two light-dimming sheets are staggered, the two light-dimming sheets are driven to move in opposite directions, the second non-transparent structure of one light-dimming sheet slowly covers the transparent structure of the other light-dimming sheet, so that the shielded light quantity is slowly increased, 100% of light can be reduced to 0% in the slow closing process, the two light-dimming sheets are driven to move backwards after the light-dimming sheets are completely closed, the second non-transparent structure of one light-dimming sheet is slowly separated from the transparent structure of the other light-dimming sheet, so that the shielded light quantity is slowly reduced, and 0% of light can be increased to 100% in the slow opening process; this novel dimming piece, it is effectual to adjust luminance, and simple structure.
Preferably, the transparent structure and the second non-transparent structure are both triangular structures, and the bottom sides of all the transparent structures are located on a straight line, the bottom sides of all the second non-transparent structures are located on another straight line, and the two straight lines are correspondingly arranged and contain the transparent structure and the second non-transparent structure. The light is uniformly emitted after the light is adjusted by the light adjusting sheet, so that the stage effect of the stage lamp using the light adjusting sheet is ensured.
Further preferably, the transparent structure and the second non-transparent structure are both acute-angled triangular structures. For the obtuse triangle structure, the acute triangle structure makes the area of the dimming area larger, which is convenient for improving the dimming effect.
Preferably, the novel light adjusting sheet is provided with a color temperature compensation film, and the color temperature compensation film is arranged behind the light adjusting sheet in the light emitting direction. The color temperature compensation film consists of a film layer capable of increasing or reducing color temperature; because the light is adjusted through the dimming sheet, the color temperature can be changed, the change of the color temperature can influence the use effect of the stage lamp, and the color temperature is kept unchanged after the light is adjusted through the dimming sheet due to the arrangement of the color temperature compensation film, so that the stage effect is ensured.
Further preferably, a color temperature compensation film is provided on the transparent structure. When the dimming sheet is used, the dimming sheet is used in pairs, the transparent structures and the second non-transparent structures of the two dimming sheets are staggered, light can only pass through the transparent structures, the color temperature compensation film is arranged on the second non-transparent structure to play a role of not adjusting the color temperature, and therefore the color temperature compensation film is arranged on the transparent structures only, and compared with the color temperature compensation film arranged on the whole dimming sheet, the color temperature compensation film is reduced while the color temperature is kept unchanged, and the cost is saved.
Preferably, the transparent structure is a glass structure. Can be common glass, quartz glass, high borosilicate glass or sapphire glass; the glass structure has good light transmission and low cost.
Preferably, the first and second non-transparent structures each include a substrate, a light-shielding film and a reflective film along a light-emitting direction; the shading film is used for shading light rays, and the reflecting film is used for reflecting light rays. The arrangement is convenient for improving the light impermeability of the first non-transparent structure and the second non-transparent structure, so as to ensure the dimming effect.
Further preferably, the substrate is a glass structure. Can be common glass, quartz glass, high borosilicate glass or sapphire glass.
Another objective of the present invention is to provide a stage lighting fixture, which has two of the above-mentioned novel dimming sheets, wherein the two dimming sheets have a certain height difference when installed, and the transparent structures and the second non-transparent structures of the two dimming sheets are staggered; the light source and the imaging lens assembly are respectively arranged in front of and behind the dimming sheets in the light emitting direction.
In the scheme, the second non-transparent structure of one dimming sheet slowly covers the transparent structure of the other dimming sheet by driving the two dimming sheets to move in opposite directions, so that the shielded light amount is slowly increased, 100% of light can be reduced to 0% in the slow closing process, the second non-transparent structure of one dimming sheet slowly breaks away from the transparent structure of the other dimming sheet by driving the two dimming sheets to move in the back direction after being completely closed, so that the shielded light amount is slowly reduced, and 0% of light can be increased to 100% in the slow opening process; this stage lamps and lanterns, it is effectual to adjust luminance, can demonstrate more perfect stage effect.
Preferably, a effect disc is arranged behind the light source along the light emitting direction, and a driving device for driving the two dimming sheets to move oppositely or move reversely is arranged on the effect disc; and a light through hole is formed in a part behind the effect disc along the light emitting direction so as to emit the light adjusted by the light adjusting sheet to the imaging lens assembly. The arrangement is convenient for installing the dimming sheet on the stage lamp.
Compared with the prior art, the invention has the beneficial effects that:
the novel dimming sheet is convenient to mount on a stage lamp by arranging the light-tight part, two dimming sheets are mounted on the stage lamp in a certain height difference mode, the transparent structures and the second non-transparent structures of the two dimming sheets are arranged in a staggered mode, the second non-transparent structure of one dimming sheet is slowly covered on the transparent structure of the other dimming sheet by driving the two dimming sheets to move in opposite directions, so that the shielded light quantity is slowly increased, 100% of light can be reduced to 0% in the slow closing process, the second non-transparent structure of one dimming sheet is slowly separated from the transparent structure of the other dimming sheet by driving the two dimming sheets to move backwards after the two dimming sheets are completely closed, so that the shielded light quantity is slowly reduced, and 0% of light can be increased to 100% in the slow opening process; this novel dimming piece, it is effectual to adjust luminance, and simple structure.
Drawings
Fig. 1 is a schematic diagram of a novel dimming sheet according to the present embodiment.
Fig. 2 is a schematic connection diagram of the transparent structure and the color temperature compensation film in this embodiment.
Fig. 3 is a schematic diagram of the first non-transparent structure and the second non-transparent structure in this embodiment.
Fig. 4 is a schematic view illustrating the transparent structure and the second non-transparent structure being arranged in a staggered manner when two dimming sheets are used.
Fig. 5 is a schematic view of a stage lighting fixture according to the present embodiment.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Examples
Fig. 1 to 3 show a schematic diagram of a novel light modulation sheet of this embodiment, which includes an opaque portion 4 and a light modulation portion connected to each other; the opaque part 4 is a first non-transparent structure; the dimming portion comprises transparent structures 2 and second non-transparent structures 3 which are alternately arranged, and the transparent structures 2 and the second non-transparent structures 3 respectively cover the whole light-emitting surface.
The light cannot exit from the first and second non-transparent structures 4 and 3, but only from the transparent structure 2.
The opaque part 4 is arranged to facilitate the installation of the dimming sheet on the stage lamp, as shown in fig. 4, after the two dimming sheets are installed on the stage lamp with a certain height difference, the transparent structure 2 and the second non-transparent structure 3 of the two dimming sheets are arranged in a staggered manner, the two dimming sheets are driven to move in opposite directions, so that the second non-transparent structure 3 of one dimming sheet slowly covers the transparent structure 2 of the other dimming sheet, the amount of shielded light is slowly increased, 100% of light can be reduced to 0% in the slow closing process, the two dimming sheets are driven to move in a reverse direction after the dimming sheet is completely closed, so that the second non-transparent structure 3 of one dimming sheet slowly separates from the transparent structure 2 of the other dimming sheet, the amount of shielded light is slowly reduced, and the 0% of light can be increased to 100% in the slow opening process; this novel dimming piece, it is effectual to adjust luminance, and simple structure.
The transparent structures 2 and the second non-transparent structures 3 are both triangular structures, the bottom edges of all the transparent structures 2 are located on one straight line, the bottom edges of all the second non-transparent structures 3 are located on the other straight line, and the two straight lines are correspondingly arranged and contain the transparent structures 2 and the second non-transparent structures 3. The light is uniformly emitted after the light is adjusted by the light adjusting sheet, so that the stage effect of the stage lamp using the light adjusting sheet is ensured.
In this embodiment, the transparent structure 2 and the second non-transparent structure 3 are both acute-angled triangular structures. For the obtuse triangle structure, the acute triangle structure makes the area of the dimming area larger, which is convenient for improving the dimming effect.
In addition, be equipped with colour temperature compensation film 7 on the novel dimming piece, and colour temperature compensation film 7 locates the dimming piece rear in the light-emitting direction. The color temperature compensation film 7 is composed of a film layer capable of increasing or reducing color temperature; because the light is adjusted through the dimming sheet, the color temperature can be changed, the change of the color temperature can influence the use effect of the stage lamp, and the color temperature is kept unchanged after the light is adjusted through the dimming sheet by the aid of the color temperature compensation film 7, so that the stage effect is guaranteed.
Wherein, a color temperature compensation film 7 is arranged on the transparent structure 2. When the dimming sheet is used, the dimming sheet is used in pairs, the transparent structures 2 and the second non-transparent structures 3 of the two dimming sheets are arranged in a staggered mode, light can only pass through the transparent structures 2, the color temperature compensation film 7 is arranged on the second non-transparent structures 3, the color temperature can not be adjusted, and therefore the color temperature compensation film 7 is only arranged on the transparent structures 2, and compared with the color temperature compensation film 7 arranged on the whole dimming sheet, the color temperature is guaranteed to be unchanged, the use of the color temperature compensation film 7 is reduced, and the cost is saved.
In addition, the transparent structure 2 is a glass structure. Can be common glass, quartz glass, high borosilicate glass or sapphire glass; the glass structure has good light transmission and low cost.
The first non-transparent structure 4 and the second non-transparent structure 3 both comprise a substrate 6, a shading film 8 and a reflecting film 9 along the light emitting direction; the light shielding film 8 is used for shielding light, and the reflecting film 9 is used for reflecting light. The arrangement is convenient for improving the light impermeability of the first non-transparent structure 4 and the second non-transparent structure 3 so as to ensure the dimming effect.
In this embodiment, the substrate 6 has a glass structure. Can be common glass, quartz glass, high borosilicate glass or sapphire glass.
The embodiment also provides a stage lamp which is provided with two novel dimming sheets, namely a novel dimming sheet 1 and a novel dimming sheet 5, wherein the two dimming sheets have a certain height difference when being installed, and the transparent structures 2 and the second non-transparent structures 3 of the two dimming sheets are arranged in a staggered manner; the light source device further comprises a driving device for driving the two dimming sheets to move oppositely or reversely, and the light source 110 and the imaging lens assembly 140 are respectively arranged in front of and behind the dimming sheets in the light emitting direction.
The second non-transparent structure 3 of one dimming sheet slowly covers the transparent structure 2 of the other dimming sheet by driving the two dimming sheets to move in opposite directions, so that the shielded light amount is slowly increased, 100% of light can be reduced to 0% in the slow closing process, the two dimming sheets are driven to move in a back direction after being completely closed, the second non-transparent structure 3 of one dimming sheet is slowly separated from the transparent structure 2 of the other dimming sheet, so that the shielded light amount is slowly reduced, and 0% of light can be increased to 100% in the slow opening process; this stage lamps and lanterns, it is effectual to adjust luminance, can demonstrate more perfect stage effect.
In addition, a effect disc 120 is arranged behind the light source 110 along the light emitting direction, and a driving device for driving the two dimming sheets to move oppositely or move reversely is arranged on the effect disc 120; a light passing hole 130 is provided on a part behind the effect tray 120 in the light emitting direction to emit the light adjusted by the dimming sheet onto the imaging lens assembly 140. The arrangement is convenient for installing the dimming sheet on the stage lamp.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The novel dimming sheet is characterized by comprising a light-tight part (4) and a dimming part which are connected; the opaque part (4) is a first non-transparent structure; the dimming part comprises transparent structures (2) and second non-transparent structures (3) which are alternately arranged, and the transparent structures (2) and the second non-transparent structures (3) respectively cover the whole light-emitting surface;
the transparent structures (2) and the second non-transparent structures (3) are both triangular structures, the bottom edges of all the transparent structures (2) are positioned on one straight line, the bottom edges of all the second non-transparent structures (3) are positioned on the other straight line, and the two straight lines are correspondingly arranged and contain the transparent structures (2) and the second non-transparent structures (3).
2. The new dimmer according to claim 1, wherein the transparent structure (2) and the second non-transparent structure (3) are both acute triangular structures.
3. The novel dimming sheet according to claim 1, wherein a color temperature compensation film (7) is disposed on the novel dimming sheet, and the color temperature compensation film (7) is disposed behind the dimming sheet in the light emitting direction.
4. A new dimmer as claimed in claim 3, characterised in that the transparent structure (2) is provided with a colour temperature compensation film (7).
5. A new dimmer as claimed in claim 1, characterised in that the transparent structure (2) is of glass construction.
6. The new dimmer according to claim 1, wherein the first non-transparent structure (4) and the second non-transparent structure (3) each comprise a substrate (6), a light-shielding film (8) and a reflective film (9) along the light-emitting direction; the shading film (8) is used for shading light rays, and the reflecting film (9) is used for reflecting light rays.
7. A new type of dimming sheet as claimed in claim 6, wherein the substrate (6) is of glass construction.
8. Stage light fixture, characterized in that it has two new dimming sheets (1,5) according to any of claims 1 to 7, the transparent structures (2) and the second non-transparent structures (3) of the two dimming sheets (1,5) being arranged offset; the light source driving device also comprises a driving device for driving the two dimming sheets (1,5) to move oppositely or reversely, and the light source (110) and the imaging lens assembly (140) are respectively arranged in front of and behind the dimming sheets (1,5) in the light emitting direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449948.3A CN108506816B (en) | 2018-05-11 | 2018-05-11 | Novel dimming sheet and stage lamp with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449948.3A CN108506816B (en) | 2018-05-11 | 2018-05-11 | Novel dimming sheet and stage lamp with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506816A CN108506816A (en) | 2018-09-07 |
| CN108506816B true CN108506816B (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810449948.3A Active CN108506816B (en) | 2018-05-11 | 2018-05-11 | Novel dimming sheet and stage lamp with same |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201827831U (en) * | 2010-09-29 | 2011-05-11 | 广州彩熠灯光有限公司 | Lamplight color mixer |
| CN102126417A (en) * | 2011-01-07 | 2011-07-20 | 友达光电(厦门)有限公司 | Glass structure with adjustable transparent angle |
| CN203823664U (en) * | 2014-04-30 | 2014-09-10 | 华正才 | Lamp dimming device |
| CN104482505A (en) * | 2014-12-18 | 2015-04-01 | 广州市浩洋电子有限公司 | Dimmer |
| CN206039139U (en) * | 2016-09-17 | 2017-03-22 | 深圳市真屏科技发展有限公司 | That can use in highlight environment is just throwing projection screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208365286U (en) * | 2018-05-11 | 2019-01-11 | 广州市浩洋电子股份有限公司 | A kind of novel light modulation piece and the stage lamp with the light modulation piece |
-
2018
- 2018-05-11 CN CN201810449948.3A patent/CN108506816B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201827831U (en) * | 2010-09-29 | 2011-05-11 | 广州彩熠灯光有限公司 | Lamplight color mixer |
| CN102126417A (en) * | 2011-01-07 | 2011-07-20 | 友达光电(厦门)有限公司 | Glass structure with adjustable transparent angle |
| CN203823664U (en) * | 2014-04-30 | 2014-09-10 | 华正才 | Lamp dimming device |
| CN104482505A (en) * | 2014-12-18 | 2015-04-01 | 广州市浩洋电子有限公司 | Dimmer |
| CN206039139U (en) * | 2016-09-17 | 2017-03-22 | 深圳市真屏科技发展有限公司 | That can use in highlight environment is just throwing projection screen |
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| Publication number | Publication date |
|---|---|
| CN108506816A (en) | 2018-09-07 |
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