CN204227347U - A kind of light fixture zoom lens control device - Google Patents
A kind of light fixture zoom lens control device Download PDFInfo
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- CN204227347U CN204227347U CN201420649862.2U CN201420649862U CN204227347U CN 204227347 U CN204227347 U CN 204227347U CN 201420649862 U CN201420649862 U CN 201420649862U CN 204227347 U CN204227347 U CN 204227347U
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- guide rod
- fixed head
- light
- control device
- guiding pillar
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Abstract
The utility model discloses a kind of light fixture zoom lens control device, comprise lens, light-guiding pillar, radiating subassembly and zoom actuating unit, wherein, described lens are arranged on the front of light-guiding pillar, and described radiating subassembly is arranged on the dorsal part of light-guiding pillar; Described zoom actuating unit comprises a motor, screw nut driving mechanism, guide rod and guide rod fixed head; Wherein, the main shaft of described motor is connected with the screw mandrel in screw nut driving mechanism, and in screw nut driving mechanism, nut is connected with guide rod fixed head, and described guide rod is connected on guide rod fixed head, and the other end is connected on lens.Light fixture zoom lens control device of the present utility model only need adopt a motor, has that cost is low, noise is little, a transparent advantage such as stable.
Description
Technical field
The utility model relates to a kind of light fixture, is specifically related to a kind of light fixture zoom lens control device.
Background technology
Shake the head in LED at stage, in order to obtain specific stage-lighting effect, need to regulate in real time the focal length of light fixture, the adjustment of focal length is realized by zoom lens control device, realizes particular by the distance regulated between lens and light-guiding pillar.Existing zoom lens control device comprises three motors, being provided with in each motor can the lead screw transmission mechanism (or thread transmission) of linear movement output, output shaft is connected on lens, controlling the flexible of lens, realizing zoom by controlling turning to of motor.The main purpose of three motors is adopted to be in prior art, fixing reliably in order to ensure acquisition, need to be connected by multiple rod member (i.e. the output shaft of motor); In addition, if adopt a motor, the output shaft of motor needs pass from the central authorities of light-guiding pillar and be connected with lens, the stress equalization of such guarantee lens, but central part can be made like this not arrange light-guiding pillar, thus affects lighting effects.
Existing above-mentioned zoom lens control device has the following disadvantages:
1, the number of motors adopted is many, and cost is high, big energy-consuming; And complex structure, assembly work amount is large.
2, the action between multiple motor must be harmonious, but be difficult to completely the same in actual use procedure, causes lens to occur rocking in zooming procedure, affect lighting effects.
3, multiple motor works simultaneously, and noise is large.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of light fixture zoom lens control device, and this light fixture zoom lens control device only need adopt a motor, has that cost is low, noise is little, a transparent advantage such as stable.
The technical scheme that the utility model solves the problems of the technologies described above is:
A kind of light fixture zoom lens control device, comprise lens, light-guiding pillar, radiating subassembly and zoom actuating unit, wherein, described lens are arranged on the front of light-guiding pillar, and described radiating subassembly is arranged on the dorsal part of light-guiding pillar; It is characterized in that, described zoom actuating unit comprises a motor, screw nut driving mechanism, guide rod and guide rod fixed head; Wherein, the main shaft of described motor is connected with the screw mandrel in screw nut driving mechanism, and in screw nut driving mechanism, nut is connected with guide rod fixed head, and described guide rod is connected on guide rod fixed head, and the other end is connected on lens.
A preferred version of the present utility model, wherein, described guide rod is multiple, is circumferentially evenly distributed on the periphery of light-guiding pillar.By arranging multiple circumferentially equally distributed guide rod, effectively can fix lens, usually adopting three guide rods comparatively suitable; Because guide rod is distributed in the periphery of light-guiding pillar, therefore can not affect and light-guiding pillar is set in middle position.
A preferred version of the present utility model, wherein, screw structure is arranged to by the main shaft of described motor, and described nut is connected on the main shaft of motor; Described guide rod fixed head is made up of the extension board identical with guide rod quantity, and this guide rod fixed head is connected by screw on nut.The main shaft of motor is arranged to screw structure, forms the screw mandrel in screw nut driving mechanism, thus simplify structure; Guide rod fixed head is made up of the extension board identical with guide rod quantity, makes to have space between each extension board, passes therethrough (such as radiator fan) so that install miscellaneous part.
A preferred version of the present utility model, wherein, the top of described light-guiding pillar is provided with light-guiding pillar fixed head, and base plate is provided with aluminium base; The top and bottom of light-guiding pillar are connected with described light-guiding pillar fixed head and aluminium base respectively.Be convenient to like this fixing of light-guiding pillar and heat radiation.
A preferred version of the present utility model, wherein, described guide rod is provided with linear bearing; Also be provided with linear bearing fixed head between described light-guiding pillar fixed head and aluminium base, described linear bearing is arranged on linear bearing fixed head.By arranging linear bearing, improving precision during guide rod motion, guaranteeing the stable movement of lens.
A preferred version of the present utility model, wherein, described radiating subassembly comprises radiator and radiator fan, and wherein, described radiator is arranged on the dorsal part of aluminium base; Described radiator fan is multiple, is along the circumferential direction distributed in the below of radiator.By arranging multiple radiator fan, be conducive to improving radiating effect.
A preferred version of the present utility model, wherein, also comprise motor fixing plate and fan fixed head, described motor is arranged on motor fixing plate, and described radiator fan is arranged on fan fixed head; Connected by connecting rod between described motor fixing plate and fan fixed head.So not only be convenient to the installation of motor and radiator fan, but also be conducive to improving integral rigidity.
A preferred version of the present utility model, wherein, described motor fixing plate is provided with Hall element, and the position directly over Hall element is provided with magnet with described guide rod fixed head.Its role is to control the movement travel of lens, specifically when lens allow it stop when inwardly resetting to initial point, its principle is, when guide rod fixed head drives guide rod and lens inwardly to reset to initial point, magnet on guide rod fixed head and the distance between Hall element reach setting value, Hall element detects this signal, thus by this signal transmission to the driving mainboard of motor, controls motor and stop or reversion; And the outwardly directed final position of lens, then the total rotational angle stroke by controlling motor controls.
A preferred version of the present utility model, wherein, described lens are integral type lens, and the upper end of described guide rod is connected on these integral type lens.Multiple lens gather together by integral type lens, promote whole integral type lens movement by guide rod.
A preferred version of the present utility model, wherein, the driving mainboard of described motor is arranged on motor fixing plate.
The operation principle of light fixture zoom lens control device of the present utility model is: the rotary motion that motor exports drives guide rod fixed head reciprocating by screw nut driving mechanism, thus drive guide rod and lens reciprocating, realize zoom.
The utility model compared with prior art has following beneficial effect:
1, only adopt a motor, cost is low, and power consumption is few; Simplify the structure and assembly technology.
2, owing to being driven by a motor, therefore there is not the problem coordinating multiple motor in synchrony work, not only control easy, and lens can move reposefully, there will not be in the course of work and rock, guarantee that lighting effects are best.
3, only have a machine operation, noise is little.
Accompanying drawing explanation
Fig. 1 ~ Fig. 4 is the structural representation of a detailed description of the invention of light fixture zoom lens control device of the present utility model, and wherein, Fig. 1 is front view, and Fig. 2 is top view, and Fig. 3 is the A-A sectional view of Fig. 2, and Fig. 4 is the B-B sectional view of Fig. 2, and Fig. 5 is stereogram.
Fig. 6 is a perspective view of zoom actuating unit of the present utility model.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
See Fig. 1 ~ Fig. 6, light fixture zoom lens control device of the present utility model comprises lens 1, light-guiding pillar 4, radiating subassembly and zoom actuating unit.Wherein, described lens 1 are arranged on the front of light-guiding pillar 4, and described radiating subassembly is arranged on the dorsal part of light-guiding pillar 4; Described zoom actuating unit comprises a motor 14, screw nut driving mechanism, guide rod 2 and guide rod fixed head 12; Wherein, the main shaft 14-1 of described motor 14 is connected with the screw mandrel in screw nut driving mechanism, and in screw nut driving mechanism, nut 13 is connected with guide rod fixed head 12, and described guide rod 2 one end is connected on guide rod fixed head 12, and the other end is connected on lens 1.Described lens 1 are integral type lens, and the upper end of described guide rod 2 is connected on these integral type lens.Described motor 14 is stepper motor.
See Fig. 1 ~ Fig. 6, the main shaft 14-1 of described motor 14 is arranged to screw structure, and described nut 13 is connected on the main shaft of motor 14; Described guide rod fixed head 12 is made up of the extension board 12-1 identical with guide rod 2 quantity, and this guide rod fixed head 12 is connected by screw on nut 13.The main shaft 14-1 of motor 14 is arranged to screw structure, forms the screw mandrel in screw nut driving mechanism, thus simplify structure; Guide rod fixed head 12 is made up of the extension board 12-1 identical with guide rod 2 quantity, makes to have space between each extension board 12-1, passes therethrough (such as radiator fan 9) so that install miscellaneous part.Described guide rod 2 is three, is circumferentially evenly distributed on the periphery of light-guiding pillar 4.By arranging multiple circumferentially equally distributed guide rod 2, effectively can fix lens 1; Because guide rod 2 is distributed in the periphery of light-guiding pillar 4, therefore can not affect and light-guiding pillar 4 is set in middle position.
See Fig. 1 ~ Fig. 6, the top of described light-guiding pillar 4 is provided with light-guiding pillar fixed head 3, and base plate is provided with aluminium base 6; The top and bottom of light-guiding pillar 4 are connected with described light-guiding pillar fixed head 3 and aluminium base 6 respectively.Be convenient to like this fixing of light-guiding pillar 4 and heat radiation.Described guide rod 2 is provided with linear bearing 16; Also be provided with linear bearing fixed head 5 between described light-guiding pillar fixed head 3 and aluminium base 6, described linear bearing 16 is arranged on linear bearing fixed head 5.By arranging linear bearing 16, improving precision when guide rod 2 moves, guaranteeing the stable movement of lens 1.
See Fig. 1 ~ Fig. 6, described radiating subassembly comprises radiator 7 and radiator fan 9, and wherein, described radiator 7 is arranged on the dorsal part of aluminium base 6; Described radiator fan 9 is multiple, is along the circumferential direction distributed in the below of radiator 7.By arranging multiple radiator fan 9, be conducive to improving radiating effect.Light fixture zoom lens control device of the present utility model also comprises motor fixing plate 10 and fan fixed head 8, and described motor 14 is arranged on motor fixing plate 10, and described radiator fan 9 is arranged on fan fixed head 8; Connected by connecting rod 18 between described motor fixing plate 10 and fan fixed head 8.So not only be convenient to the installation of motor 14 and radiator fan 9, but also be conducive to improving integral rigidity.Described motor fixing plate 10 is provided with Hall element 15, and the position directly over Hall element 15 is provided with magnet 17 with described guide rod fixed head 12.Its role is to control the movement travel of lens 1, specifically when lens 1 allow it stop when inwardly resetting to initial point, its principle is, when guide rod fixed head 12 drives guide rod 2 and lens 1 inwardly reset to initial point, on guide rod fixed head 12 magnet 17 and Hall element 15 between distance reach setting value, Hall element 15 detects this signal, thus by this signal transmission to the driving mainboard 15 of motor, controls motor 14 and stop or reversing; And the outwardly directed final position of lens 1, then the total rotational angle stroke by controlling motor 14 controls.The driving mainboard 15 of described motor 14 is arranged on motor fixing plate 10.
Above-mentioned is the utility model preferably embodiment; but embodiment of the present utility model is not by the restriction of foregoing; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (10)
1. a light fixture zoom lens control device, comprises lens, light-guiding pillar, radiating subassembly and zoom actuating unit, and wherein, described lens are arranged on the front of light-guiding pillar, and described radiating subassembly is arranged on the dorsal part of light-guiding pillar; It is characterized in that, described zoom actuating unit comprises a motor, screw nut driving mechanism, guide rod and guide rod fixed head; Wherein, the main shaft of described motor is connected with the screw mandrel in screw nut driving mechanism, and in screw nut driving mechanism, nut is connected with guide rod fixed head, and described guide rod is connected on guide rod fixed head, and the other end is connected on lens.
2. light fixture zoom lens control device according to claim 1, is characterized in that, described guide rod is multiple, is circumferentially evenly distributed on the periphery of light-guiding pillar.
3. light fixture zoom lens control device according to claim 1 and 2, is characterized in that, screw structure is arranged to by the main shaft of described motor, and described nut is connected on the main shaft of motor; Described guide rod fixed head is made up of the extension board identical with guide rod quantity, and this guide rod fixed head is connected by screw on nut.
4. light fixture zoom lens control device according to claim 3, is characterized in that, the top of described light-guiding pillar is provided with light-guiding pillar fixed head, and base plate is provided with aluminium base; The top and bottom of light-guiding pillar are connected with described light-guiding pillar fixed head and aluminium base respectively.
5. light fixture zoom lens control device according to claim 4, is characterized in that, described guide rod is provided with linear bearing; Also be provided with linear bearing fixed head between described light-guiding pillar fixed head and aluminium base, described linear bearing is arranged on linear bearing fixed head.
6. light fixture zoom lens control device according to claim 5, is characterized in that, described radiating subassembly comprises radiator and radiator fan, and wherein, described radiator is arranged on the dorsal part of aluminium base; Described radiator fan is multiple, is along the circumferential direction distributed in the below of radiator.
7. light fixture zoom lens control device according to claim 6, is characterized in that, also comprise motor fixing plate and fan fixed head, described motor is arranged on motor fixing plate, and described radiator fan is arranged on fan fixed head; Connected by connecting rod between described motor fixing plate and fan fixed head.
8. light fixture zoom lens control device according to claim 7, is characterized in that, described motor fixing plate is provided with Hall element, and the position directly over Hall element is provided with magnet with described guide rod fixed head.
9. the light fixture zoom lens control device according to any one of claim 1,2,4 ~ 8, is characterized in that, described lens are integral type lens, and the upper end of described guide rod is connected on these integral type lens.
10. light fixture zoom lens control device according to claim 8, is characterized in that, the driving mainboard of described motor is arranged on motor fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649862.2U CN204227347U (en) | 2014-10-31 | 2014-10-31 | A kind of light fixture zoom lens control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649862.2U CN204227347U (en) | 2014-10-31 | 2014-10-31 | A kind of light fixture zoom lens control device |
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| CN204227347U true CN204227347U (en) | 2015-03-25 |
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| CN201420649862.2U Active CN204227347U (en) | 2014-10-31 | 2014-10-31 | A kind of light fixture zoom lens control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776389A (en) * | 2015-04-28 | 2015-07-15 | 深圳市振红旗科技有限公司 | Variable-focal-length rail lamp |
| CN106704910A (en) * | 2016-12-26 | 2017-05-24 | 广州艺尚灯光科技有限公司 | Rotary matrix lamp capable of shaking head |
| CN108758443A (en) * | 2018-07-16 | 2018-11-06 | 广州达森灯光股份有限公司 | LED Zoom structures with negative phototropic cover and diffusion barrier |
-
2014
- 2014-10-31 CN CN201420649862.2U patent/CN204227347U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776389A (en) * | 2015-04-28 | 2015-07-15 | 深圳市振红旗科技有限公司 | Variable-focal-length rail lamp |
| CN104776389B (en) * | 2015-04-28 | 2019-10-22 | 深圳市振红旗科技有限公司 | A kind of zoom track lamp |
| CN106704910A (en) * | 2016-12-26 | 2017-05-24 | 广州艺尚灯光科技有限公司 | Rotary matrix lamp capable of shaking head |
| CN108758443A (en) * | 2018-07-16 | 2018-11-06 | 广州达森灯光股份有限公司 | LED Zoom structures with negative phototropic cover and diffusion barrier |
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Address after: 526000 plant c3-2, Zhaoqing wanyang mass innovation city, No. 41, Dawang Avenue, high tech Zone, Zhaoqing City, Guangdong Province Patentee after: Guangdong Yishang Lighting Technology Co.,Ltd. Address before: 510430 No. 29, Tangli Road, Jianggao Town, Baiyun District, Guangzhou, Guangdong Patentee before: EASTSUN TECHNOLOGY CO.,LTD. |