CN108954107B - Lens switching platform for light-following lamp - Google Patents
Lens switching platform for light-following lamp Download PDFInfo
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- CN108954107B CN108954107B CN201810899002.7A CN201810899002A CN108954107B CN 108954107 B CN108954107 B CN 108954107B CN 201810899002 A CN201810899002 A CN 201810899002A CN 108954107 B CN108954107 B CN 108954107B
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- fixing
- following lamp
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- 210000003813 thumb Anatomy 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 229910052724 xenon Inorganic materials 0.000 description 5
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 5
- 229910001507 metal halide Inorganic materials 0.000 description 3
- 150000005309 metal halides Chemical class 0.000 description 3
- 230000001795 light effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
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- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
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- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Eyeglasses (AREA)
Abstract
The invention discloses a lens switching platform for a light-following lamp, which comprises a shell, a fixed block, a transmission assembly and a lens fixing assembly, wherein the fixed block is arranged on one side of the upper end of the shell, the transmission assembly is arranged on the other side of the upper end of the shell, and the lens fixing assembly is arranged on one side of the transmission assembly.
Description
Technical Field
The invention relates to the technical field of light-following lamps, in particular to a lens switching platform for a light-following lamp.
Background
The light-following lamp is a high-power spot lamp, is composed of convex lens and light source, mainly uses light column to highlight actor or other special effects under the condition of stage full darkness, or supplements light for actor, and is characterized by that it is operated by person, and moves along with actor, and the light-following lamp has wide application, for example, it is a common light effect tool for stage play, wedding ceremony, meeting place open curtain and closed curtain, etc., and is a common lighting lamp for television studio and stage; the main use function is that a bright light spot can be generated, the stage term is a hard and solid aperture, and the light spot is named as a light-following lamp because the light spot moves along with the movement of actors in a performance area; the light-following lamp is used for reflecting and achieving certain artistic effects, is almost common in performance of each drama, can well highlight main roles, shapes different types of figure images, shows drama episodes and changes of figure emotions, and can create stage atmosphere, so that drama (including general dance) editing and leading-out and lamplight designers take the use of the light-following lamp as one of indispensable important means in own creation.
The light-following lamps are divided into three types, namely a halogen tungsten light-following lamp, a metal halide light-following lamp and a xenon light-following lamp according to different light sources: the halogen tungsten light is characterized by simple structure, no need of ballast, convenient use, power on, light adjustment, stepless adjustable brightness from 0100, low price, low brightness, 2KW halogen tungsten light can only be used within a distance of 25m, the light source luminous efficiency of the metal halide light is higher than that of the halogen tungsten light, the range is far, the range of the HMI2500W light can reach 50m, the price is moderate, the stable time of the bulb is more than 3 minutes after starting, the requirement of the audience on the program artistic level is gradually improved, the performance scene is bigger and bigger, the xenon light is favored by users because of long range, high brightness and good light color, for example, the 3KW xenon light is at a distance of 120 meters, the spot diameter is 3.7 meters, and the illumination reaches 4700 lux, which is very important for highlighting the illuminated person in the environment with brighter background light, especially in stadium or other large-scale performance places, the long-distance light-following of over 100 meters can only act as heavy duty, and in addition, the xenon light has another important advantage that the color temperature and the spectrum of the xenon light are kept unchanged during dimming, which is not compared with the halogen tungsten light and the metal halide light.
When the light following lamp works, the lenses or patterns of the light following lamp are often replaced according to the actual needs of a stage, the common light following lamp is detached and replaced manually, the operation is complex, the replacement time is long, the working efficiency is low, the stage lighting effect is affected, the light following lamp cannot be continuously replaced, and after the replacement of the lenses is completed, the lenses are often rocked in work due to the fact that the corresponding locking mechanism is not provided, so that the lighting stability is affected, the lighting effect is reduced, and the like, so that a novel lens switching platform for the light following lamp is urgently needed to solve the problems.
Disclosure of Invention
The invention provides a lens switching platform for a light-following lamp, which can effectively solve the problems that when the light-following lamp works, the lens or pattern of the light-following lamp is often replaced according to the actual requirement of a stage, the common light-following lamp is disassembled and replaced manually, the operation is complex, the replacement time is long, the working efficiency is low, the stage lighting effect is affected, the continuous replacement cannot be carried out, and after the replacement of the lens is finished, the lens is often rocked during working due to the fact that a corresponding locking mechanism is not provided, the lighting stability is affected, the lighting effect is reduced and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a lens switching platform for follow spot lamp, includes the shell, the notch is seted up to shell one side, the light source introduction hole has been seted up to shell one side inside, the spliced pole is installed to light source introduction hole lower extreme, drive assembly is installed to spliced pole one side, drive assembly includes thumb wheel, recess, spacing groove, second connecting rod, driving gear, driving belt, auxiliary wheel dead lever, driven gear and driven gear dead lever, the recess has evenly been seted up in the thumb wheel outside, the spacing groove has been seted up to thumb wheel one side, second connecting rod is installed in thumb wheel central point department, the driving gear is installed to second connecting rod lower extreme, driving belt is installed in the driving gear outside, auxiliary wheel is installed to driving belt one side, auxiliary wheel dead lever is installed to auxiliary wheel central point department, driven gear is installed to auxiliary wheel one side, driven gear dead lever is installed to driven gear central point department.
Preferably, the fixed block is installed to shell upper end one side, locking elastic piece is installed to fixed block one side, first spacing hole has been seted up to locking elastic piece one end, spacing ball is installed to first spacing hole lower extreme, the second spacing hole has been seted up to shell upper end and spacing ball position department that corresponds.
Preferably, a first fixing hole is formed in the center of the shell, a first fixing pipe is arranged at the upper end of the first fixing hole, a second fixing hole is formed in the position, adjacent to the locking elastic piece, of the upper end of the shell, and a second fixing pipe is arranged at the upper end of the second fixing hole.
Preferably, the lens fixing component is installed on one side of the driven gear, the lens fixing component comprises a switching disc, lens mounting holes and elastic rings, the lens mounting holes are uniformly formed in the switching disc, and the elastic rings are installed in the lens mounting holes.
Preferably, the diameter of the light source introduction hole is smaller than the diameter of the lens mounting hole.
Preferably, the fixing block, the locking elastic piece, the first fixing tube and the second fixing tube are all connected with the shell through fixing screws.
Preferably, a buffer pad is mounted at the upper end of the second connecting rod.
Preferably, the diameter of the first limiting hole is smaller than the diameter of the limiting ball.
Preferably, one end diameter of the second limiting hole is larger than that of the other end, and the diameter of one side, close to the limiting ball, of the second limiting hole is larger than that of the opening of the second limiting hole.
Preferably, anti-skid patterns are formed inside the elastic ring.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. Be provided with drive assembly, through first fixed orifices, the second connecting rod, auxiliary wheel dead lever and driven gear dead lever's effect, be convenient for install driving wheel, driving gear, auxiliary wheel and driven gear dismantle, when certain part breaks down, be convenient for pertinently dismantle the change, it is more convenient to use, through driving wheel, driving gear, driving belt, auxiliary wheel and driven gear's effect, be convenient for rotate the switching plate according to the stage demand, thereby realize switching lens or light pattern's function, the application range is improved, reuse auxiliary wheel's effect, be convenient for increase driving belt's tension, thereby improve the conversion efficiency of device transmission in-process power, avoid driving belt not hard up influence drive assembly normal work.
2. The fixed block is arranged, and the action of the elastic locking piece, the first limiting hole, the limiting ball and the second limiting hole is convenient for fixing the thumb wheel according to requirements, so that the thumb wheel is prevented from rotating during normal operation of the device, and the light effect is influenced.
3. The lens fixing assembly is arranged, the required lens is conveniently installed and switched through the action of the switching disc and the lens mounting hole, the use is quicker, the pressure between the lens and the lens mounting hole is conveniently absorbed through the action of the elastic ring, the damage caused by overlarge pressure on the lens is avoided, meanwhile, the friction force between the lens and the lens mounting hole is increased, and the lens is prevented from sliding and being separated from the lens mounting hole when the device works normally;
4. The light source adopted at present is a gas discharge bulb, the luminous efficiency is high, the volume is small, the light spots do not flash, and the light source is convenient to replace.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the transmission assembly of the present invention;
FIG. 4 is a schematic view of the structure of the housing of the present invention;
FIG. 5 is a schematic view of the lens holding assembly of the present invention;
Reference numerals in the drawings: 1. a housing; 2. a notch; 3. a light source introduction hole; 4. a connecting column; 5. a fixed block; 6. locking the elastic sheet; 7. a first limiting hole; 8. a limit ball; 9. a second limiting hole; 10. a first fixing hole; 11. a first fixed tube; 12. a second fixing hole; 13. a second fixed tube; 14. a transmission assembly; 1401. a thumb wheel; 1402. a groove; 1403. a limit groove; 1404. a second connecting rod; 1405. a drive gear; 1406. a drive belt; 1407. an auxiliary wheel; 1408. an auxiliary wheel fixing rod; 1409. a driven gear; 1410. a driven gear fixing rod; 15. a lens fixing assembly; 1501. a switching plate; 1502. a lens mounting hole; 1503. an elastic ring.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-5, the invention provides a technical scheme, a lens switching platform for a light-following lamp, which comprises a housing 1, wherein a notch 2 is formed on one side of the housing 1, a light source guiding hole 3 is formed in one side of the housing 1, in order to avoid the influence on the lighting effect caused by the projection of shadows of a lens mounting hole 1502, the diameter of the light source guiding hole 3 is smaller than that of the lens mounting hole 1502, a connecting column 4 is mounted at the lower end of the light source guiding hole 3, a transmission assembly 14 is mounted on one side of the connecting column 4, a first fixing hole 10 is formed in the central position of the housing 1 in order to fix the transmission assembly 14, a first fixing pipe 11 is mounted at the upper end of the first fixing hole 10, a second fixing hole 12 is formed at the position adjacent to the locking elastic piece 6 at the upper end of the housing 1, and a second fixing pipe 13 is mounted at the upper end of the second fixing hole 12 in order to fix a fixing block 5, the locking elastic piece 6, the first fixing pipe 11 and the second fixing pipe 13, and the fixing block 5, the locking elastic piece 6 and the first fixing pipe 11 and the second fixing pipe 13 are all connected with the housing 1 through fixing screws.
The transmission component 14 is arranged on one side of the connecting column 4, the transmission component 14 comprises a thumb wheel 1401, a groove 1402, a limit groove 1403, a second connecting rod 1404, a driving gear 1405, a transmission belt 1406, an auxiliary wheel 1407, an auxiliary wheel fixing rod 1408, a driven gear 1409 and a driven gear fixing rod 1410, in order to facilitate locking operation of the thumb wheel 1401, a fixing block 5 is arranged on one side of the upper end of the shell 1, a locking elastic piece 6 is arranged on one side of the fixing block 5, a first limit hole 7 is arranged at one end of the locking elastic piece 6, a limit ball 8 is arranged at the lower end of the first limit hole 7, in order to facilitate fixing of the limit ball 8, the diameter of the first limit hole 7 is smaller than the diameter of the limit ball 8, a second limit hole 9 is arranged at the position of the upper end of the shell 1 corresponding to the limit ball 8, in order to facilitate the part of the limit ball 8 penetrating through the second limit hole 9, the diameter of one end of the second limit hole 9 is larger than the other end and the diameter of the side close to the limit ball 8 is large, the diameter of the limit ball 8 is larger than the opening diameter of the second limit hole 9, the outside of the thumb wheel 1401 is evenly provided with a groove 1402, one side of the thumb wheel 1401 is provided with a limit groove 1403, the center position of the thumb wheel 1401 is provided with a second connecting rod 1404, in order to avoid looseness of the second connecting rod 1404 in the device working process and influence the fixing effect of the locking device, the upper end of the second connecting rod 1404 is provided with a buffer pad, the lower end of the second connecting rod 1404 is provided with a driving gear 1405, the outside of the driving gear 1405 is provided with a driving belt 1406, one side of the driving belt 1406 is provided with an auxiliary wheel 1407, the center position of the auxiliary wheel 1407 is provided with an auxiliary wheel fixing rod 1408, one side of the auxiliary wheel 1407 is provided with a driven gear 1409, the center position of the driven gear 1409 is provided with a driven gear fixing rod 1410, in order to facilitate the installation of a required lens, one side of the driven gear 1409 is provided with a lens fixing component 15, the lens fixing component 15 comprises a switching disc 1501, a lens mounting hole 1502 and an elastic ring 1503, wherein the lens mounting hole 1502 is uniformly formed in the switching disc 1501, the elastic ring 1503 is mounted in the lens mounting hole 1502, and in order to improve friction between the elastic ring 1503 and a lens, sliding is avoided in lens working, and anti-skidding patterns are formed in the elastic ring 1503.
The working principle and the using flow of the invention are as follows: before the stage lighting operation of the device, firstly, the required lens or pattern is installed in the switch disc 1501 through the lens mounting hole 1502, wherein the pressure between the lens and the lens mounting hole 1502 is absorbed by utilizing the action of the elastic ring 1503, so as to avoid damage caused by overlarge compression of the lens, meanwhile, the friction force between the lens and the lens mounting hole 1502 is increased, the lens slides out of the lens mounting hole 1502 when the device works normally, after the lens is fixed, the lens is firstly connected with the auxiliary wheel fixing rod 1408 and the second connecting rod 1404 through the first fixing tube 11 and the second fixing tube 13 respectively, so that the auxiliary wheel 1407 and the driving gear 1405 are fixed on one side of the shell 1, then the switch disc 1501 and the driven gear 1409 are fixed on one side of the shell 1 by utilizing the action of the driven gear fixing rod 1410, then the driving belt 1406 is sleeved outside the auxiliary wheel 1407, the driving gear 1405 and the driven gear 1409, so that the device mounting operation is completed,
When stage lighting work is carried out, firstly, the light source is turned on, the light source is led into one side of the shell 1 through the light source leading-in hole 3, then the light source irradiates on the lens in the switching disc 1501 at the other side of the shell through the light source leading-in hole 3, lighting work is realized, when the lens needs to be replaced, the driving wheel 1401 is firstly stirred to drive the driving belt 1406 to rotate, the driven gear 1409 is further driven to rotate, the switching disc 1501 is finally driven to rotate, lens switching work is realized, the use is quicker, after the lens is switched, the driving wheel 1401 is gently rotated, the corresponding limiting groove 1403 at one side of the driving wheel 1401 corresponds to the second limiting hole 9, then due to the elastic force of the locking elastic piece 6, the limiting ball 8 is extruded to enable a part of the driving wheel 1401 to enter the limiting groove 1403 through the second limiting hole 9, thus fixing the driving wheel 1401, the driving wheel 1401 is prevented from rotating, the lighting effect is influenced, and the use is more convenient.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Lens switching platform for light following lamp, including shell (1), its characterized in that: the utility model discloses a light source drive device, including shell (1), light source leading-in hole (3) has been seted up to shell (1) one side inside, spliced pole (4) is installed to light source leading-in hole (3) lower extreme, drive assembly (14) are installed to spliced pole (4) one side, drive assembly (14) are including thumb wheel (1401), recess (1402), spacing groove (1403), second connecting rod (1404), driving gear (1405), driving belt (1406), auxiliary wheel (1407), auxiliary wheel dead lever (1408), driven gear (1409) and driven gear dead lever (1410), the recess (1402) has evenly been seted up in thumb wheel (1401) outside, spacing groove (1403) have been seted up to thumb wheel (1401) one side, second connecting rod (1404) are installed in thumb wheel (1401) central point department, driving gear (1405) are installed to second connecting rod (1404) lower extreme, driving belt (1406) are installed in driving gear (1408) outside, auxiliary wheel (1407) are installed to driving belt (1406) one side, auxiliary wheel (1407) are installed to auxiliary wheel (1407) central point (1407) is installed auxiliary wheel (1407), a driven gear fixing rod (1410) is installed at the center of the driven gear (1409).
2. A lens switching platform for a light-following lamp as defined in claim 1, wherein: fixed block (5) are installed to shell (1) upper end one side, locking elastic piece (6) are installed to fixed block (5) one side, first spacing hole (7) have been seted up to locking elastic piece (6) one end, spacing ball (8) are installed to first spacing hole (7) lower extreme, second spacing hole (9) have been seted up in shell (1) upper end and spacing ball (8) corresponding position department.
3. A lens switching platform for a light-following lamp as defined in claim 1, wherein: the novel locking device is characterized in that a first fixing hole (10) is formed in the center of the shell (1), a first fixing pipe (11) is arranged at the upper end of the first fixing hole (10), a second fixing hole (12) is formed in the position, adjacent to the locking elastic piece (6), of the upper end of the shell (1), and a second fixing pipe (13) is arranged at the upper end of the second fixing hole (12).
4. A lens switching platform for a light-following lamp as defined in claim 1, wherein: the lens fixing assembly (15) is arranged on one side of the driven gear (1409), the lens fixing assembly (15) comprises a switching disc (1501), a lens mounting hole (1502) and an elastic ring (1503), the lens mounting hole (1502) is uniformly formed in the switching disc (1501), and the elastic ring (1503) is arranged in the lens mounting hole (1502).
5. A lens switching platform for a light-following lamp according to claim 1 or 4, wherein: the diameter of the light source introduction hole (3) is smaller than the diameter of the lens mounting hole (1502).
6. A lens switching platform for a light-following lamp according to claim 1 or 3, wherein: the fixing block (5), the locking elastic piece (6), the first fixing tube (11) and the second fixing tube (13) are connected with the shell (1) through fixing screws.
7. A lens switching platform for a light-following lamp as defined in claim 1, wherein: and a buffer cushion is arranged at the upper end of the second connecting rod (1404).
8. A lens switching platform for a light-following lamp as defined in claim 2, wherein: the diameter of the first limiting hole (7) is smaller than that of the limiting ball (8).
9. A lens switching platform for a light-following lamp as defined in claim 2, wherein: the diameter of one end of the second limiting hole (9) is larger than that of the other end of the second limiting hole, the diameter of one side, close to the limiting ball (8), of the second limiting hole is larger than that of the opening of the second limiting hole (9).
10. The lens switching platform for a light-following lamp of claim 4, wherein: anti-skid patterns are formed in the elastic ring (1503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899002.7A CN108954107B (en) | 2018-08-08 | 2018-08-08 | Lens switching platform for light-following lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899002.7A CN108954107B (en) | 2018-08-08 | 2018-08-08 | Lens switching platform for light-following lamp |
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| CN108954107A CN108954107A (en) | 2018-12-07 |
| CN108954107B true CN108954107B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810899002.7A Active CN108954107B (en) | 2018-08-08 | 2018-08-08 | Lens switching platform for light-following lamp |
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| CN (1) | CN108954107B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109654441B (en) * | 2019-01-07 | 2024-05-03 | 广州筑梦灯光设备有限公司 | Imaging mechanism of stage lamp |
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| CN107228301A (en) * | 2017-06-08 | 2017-10-03 | 广州市浩洋电子股份有限公司 | A kind of stage lighting optical system and light projector device comprising light beam and pattern effect |
| CN208859386U (en) * | 2018-08-08 | 2019-05-14 | 广州筑梦灯光设备有限公司 | A kind of eyeglass switching platform for follow spot light |
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| CN108954107A (en) | 2018-12-07 |
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