CN101231355A - Light shutter - Google Patents
Light shutter Download PDFInfo
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- CN101231355A CN101231355A CN200810056658.9A CN200810056658A CN101231355A CN 101231355 A CN101231355 A CN 101231355A CN 200810056658 A CN200810056658 A CN 200810056658A CN 101231355 A CN101231355 A CN 101231355A
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- optical gate
- ring
- pivot pin
- optical shutter
- blade
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Abstract
The invention relates to a novel optical shutter, comprising an optical shutter seat, an optical shutter upper cover, a clamping ring, an adjusting ring and a plurality of paddles. The adjusting ring is provided between the optical shutter and the optical shutter upper cover, a plurality of slotted holes with equal intervals are arranged on the adjusting ring, and the same number of paddles are respectively arranged sequentially and circularly on two symmetric sides of the upper surface and the lower surface of the adjusting ring; the two surfaces of each paddle are respectively provided with a convex shaft pin thereon, and a plurality of round holes are respectively and circularly opened on the inner sides of the optical shutter seat and the optical shutter upper cover; and the locating shafts of the shaft pins of the paddles on the upper layer and the lower layer of the adjusting ring are one-to-one corresponding to the round holes on the optical shutter upper cover and on the optical shutter seat, and the driving shaft of the shaft pins of the upper paddles and the lower paddles are downwardly and upwardly inserted into the slotted holes on the adjusting ring in a one-to-one corresponding manner, resulting in sliding connection. The invention has the advantages of that the light emitting port of a projection lantern can block the light from the projection lantern at any time as the requirement of performance, and an operator can remotely control the switching on/off of the optical shutter, so as to reduce heat radiation to the operators and meet the requirement of large-scale performance.
Description
Technical field
The present invention relates to a kind of optical gate, particularly a kind ofly be used for the novel optical gate that large-scale projection magic lamp is cut light automatically.
Background technology
At present, when large-scale performance,, usually use some large-scale projection magic lamps for obtaining desirable performing effect.In actor, show various patterned background by the stage projection magic lamp and make performance more dynamic.Stage mostly is dysprosium lamp with the light source that large-scale projection magic lamp uses now.Dysprosium lamp is a kind of of metal halide lamp, is to start by high-frequency and high-voltage.Because metal halide lamp contains a large amount of halogens and halogenide, the emission of cathode electronics is easy to be pounced on by halogen and obtains during startup, becomes the very big negative ion of quality, be difficult to be quickened by electric field, so the lamp trigger voltage is very high, have several kilovoltages to light lamp.So lamp must be furnished with trigger when starting, just can light and the time of lighting is 30 seconds.Trigger is only worked lighting in a flash, and lamp is after lighting, and is ineffective immediately.If powered-down is lighted once more, projection lamp can not restart in not enough 30 seconds, and performance need be changed background patterns just must wait for 30 seconds.This operates very difficult for the light of stage teacher, can not switch background patterns at any time, requires to switch synchronously just more difficult during the combined and spliced pattern of especially many desk lamps.
Summary of the invention
In view of the foregoing, the object of the invention is to provide a kind of light of flexibly, accurately, reliably cutting, and the central controlled novel optical gate of can many projection magic lamps networking.Novel optical gate is contained in the projection magic lamp lamp body, but does not need just truncated projection magic lantern light of powered-down switch, overcome the prior art deficiency.
Technical solution of the present invention is: by motor-driven adjustment ring, drive several pieces blades and do in circular optical gate seat and cooperatively interact mobilely, to change the optical gate opening diameter, realize that the optical gate folding reaches to cut light action.At any time change background patterns and satisfied the on-the-spot needs of performance, increase new function for projection magic lamp uses.
The present invention is achieved by the following technical solutions: it constitutes an integral body by optical gate seat, optical gate loam cake, collar, adjustment ring, multi-disc blade, adjust ring, adjust a plurality of slotted holes that are provided with equidistant arrangement on the ring being equiped with between optical gate seat and the optical gate loam cake, adjusting each identical blade of ring shooting quantity successively of ring upper and lower faces symmetry both sides; Respectively be provided with a protruding pivot pin on each blade two surface, wherein Yi Mian protruding pivot pin is the pivot pin driving shaft, and the protruding pivot pin of another side is the pivot pin locating shaft, and optical gate seat and optical gate loam cake medial surface hoop respectively equidistantly are provided with a plurality of corresponding circular holes; Adjust the corresponding one by one joint of half side circular hole that covers on pivot pin locating shaft and the optical gate of multi-disc blade on ring upper strata, and can in circular hole, rotate; Adjust other the corresponding one by one joint of half side circular hole on pivot pin locating shaft and the optical gate seat of multi-disc blade of ring lower floor, also can rotate in circular hole, blade is supported on one of above-mentioned bearing pin rotationally; Adjust under the pivot pin driving axial of the upper and lower two-layer multi-disc blade of ring, corresponding one by one the insertion in the slotted hole of adjusting on the ring upwards, be slidingly connected, when they slide, be used for driven vane in slotted hole.
Cover on the optical gate and be equiped with the collar that compresses usefulness; The adjustment ring outside is provided with external tooth form and takes turns, and with the engagement of motor toothed wheel, drives the flute profile wheel when motor rotates, and adjustment ring and blade cooperatively interact to move and realize the blade folding, and change optical gate opening diameter reaches cuts light action.
Cover on the optical gate and be provided with two banking pins, match with limit opening set on the optical gate seat.
The slotted hole of adjusting on the ring is identical with upper and lower blade number on two-layer.
Advantage of the present invention is:
1, the projection magic lamp light-emitting window can play truncated projection magic lantern effect of light at any time according to the performance needs, and flexibly, accurately, reliably cuts light.
2, operating personnel are away from light fixture, the folding of Long-distance Control optical gate, and suffered heat radiation reduces a staff.
3, having solved dysprosium lamp in use can not powered-down, and 30 seconds defective at interval when restarting has satisfied large-scale performance needs.
Description of drawings
Be described further below in conjunction with embodiment and accompanying drawing thereof:
Fig. 1 is the whole closing structure synoptic diagram of novel optical gate.
Fig. 2 is the whole Unclosing structure synoptic diagram of novel optical gate.
Fig. 3 is for adjusting the half-open structural representation that closes of blade between ring and the optical gate seat.
Fig. 4 adjusts the blade construction synoptic diagram that ring is arranged in order above for after opening the optical gate loam cake.
Fig. 5 is an optical gate holder structure synoptic diagram.
Fig. 6 is the Spring Clip synoptic diagram.
Fig. 7 is an optical gate loam cake master TV structure synoptic diagram.
Fig. 8 is an optical gate loam cake backsight structural representation.
Fig. 9 is a blade master TV structure synoptic diagram.
Figure 10 is the side view of Fig. 9.
Among the figure: 1. the optical gate loam cake, 2. collar, 3. the optical gate seat, 4. adjust ring, 5. slotted hole, 6. external tooth form wheel, 7. limit opening, 8. blade, 9. banking pin, 10. (10 ') circular hole, 11. pivot pin locating shafts, 12. pivot pin driving shafts.
Embodiment
The described a kind of novel optical gate of present embodiment, as Fig. 1, Fig. 2, shown in Figure 3, it constitutes an integral body by optical gate seat 3, optical gate loam cake 1, collar 2, adjustment ring 4, multi-disc blade 8, be equiped with adjustment ring 4 between optical gate seat 3 and the optical gate loam cake 1, adjusting a plurality of slotted holes 5 that are provided with equidistant arrangement on the ring 4, encircling each blade 8 that ring shooting quantity is identical successively of 4 upper and lower faces symmetry both sides in adjustment; As Fig. 9, shown in Figure 10, each blade respectively is provided with a protruding pivot pin on 8 liang of surfaces, and wherein Yi Mian protruding pivot pin is a pivot pin driving shaft 12, and the protruding pivot pin of another side is a pivot pin locating shaft 11.As Fig. 5, shown in Figure 8, optical gate seat 3 equidistantly is provided with 18 corresponding circular holes with the equal hoop of optical gate loam cake 1 medial surface in the present embodiment.As shown in Figure 3, Figure 4, adjust ring upper strata multi-disc blade 8 pivot pin locating shaft 11 can with half side circular hole 10 ' corresponding one by one joint, the rotation on the optical gate loam cake 1; The corresponding one by one joint of half side circular hole 10 in addition on the pivot pin locating shaft 11 of lower floor's multi-disc blade 8 and the optical gate seat 3, rotation, blade 8 is supported on one of above-mentioned bearing pin rotationally; The pivot pin driving shaft 12 of adjusting the upper and lower two-layer multi-disc blade 8 of ring 4 downwards, corresponding one by one the insertion in the slotted holes of adjusting on the ring 5 upwards, and in slotted hole 5, slide, be used for driven vane 8, adjust upper strata one side and 9 blades of each symmetric offset spread of lower floor's opposite side of ring in the present embodiment.
As shown in Figure 1 and Figure 2, be equiped with the collar 2 that compresses usefulness on the optical gate loam cake 1; As shown in Figure 3, adjust ring 4 outsides and be provided with external tooth form wheel 6,, when the motor rotation drives the flute profile wheel, adjust ring 4 and cooperatively interact to move with blade 8 and realize blade 8 foldings, change the optical gate opening diameter and reach and cuts light action with the engagement of motor toothed wheel.
As Fig. 5, shown in Figure 8, optical gate loam cake 1 is provided with two banking pins 9, matches with limit opening 7 set on the optical gate seat 3.
The slotted hole of adjusting on the ring 5 is identical with upper and lower blade 8 numbers on two-layer.
Principle of work is as follows: when the external tooth form wheel 6 on adjusting ring 4 is subjected to the external force motor-driven, adjusting ring 4 moves at optical gate seat 3 inner ring types, pivot pin driving shaft 12 on slotted hole 5 driven vane 8, the pivot pin locating shaft 11 of another side one end acts on interior interaction of circular hole of optical gate seat and optical gate loam cake, and effect of light is blocked in the folding of realization optical gate.Optical gate loam cake banking pin 9 matches with optical gate seat opening 7, is screwed into about when adjusting ring 4 and rotating to stop when spacing.Adjust each 9 blade of ring 4 upper and lower two-layer symmetries, can or open entirely whole optical gate opening diameter complete closure.When the optical gate opening diameter was all opened, the projection magic lamp light-emitting window was relative with the optical gate diameter, projectable, and the optical gate opening plays truncated projection magic lantern effect of light when closing, satisfied the on-the-spot needs of performance, increases new function for projection magic lamp uses.Many connections of available 512 signals simultaneously need synchronous requirement when solving the combined and spliced pattern of many desk lamps, reduce the mistiming.Solving dysprosium lamp simultaneously in use can not powered-down, and 30 seconds defective at interval when restarting has satisfied large-scale performance needs.
Claims (5)
1. novel optical gate, it is characterized in that: constitute an integral body by optical gate seat (3), optical gate loam cake (1), collar (2), adjustment ring (4), multi-disc blade (8), be equiped with adjustment ring (4) between optical gate seat (3) and the optical gate loam cake (1), adjusting a plurality of slotted holes (5) that are provided with equidistant arrangement on the ring (4), encircling each blade (8) that ring shooting quantity is identical successively of (4) upper and lower faces symmetry both sides in adjustment; Respectively be provided with a protruding pivot pin on each blade two surface, wherein Yi Mian protruding pivot pin is pivot pin driving shaft (12), the protruding pivot pin of another side is pivot pin locating shaft (11), and optical gate seat (3) and optical gate loam cake (1) medial surface hoop respectively equidistantly are provided with a plurality of corresponding circular holes; Adjust the corresponding one by one joint of half side circular hole (10 ') on pivot pin locating shaft (11) and the optical gate loam cake (1) of multi-disc blade (8) on ring (4) upper strata; Adjust other the corresponding one by one joint of half side circular hole (10) on pivot pin locating shaft (11) and the optical gate seat (3) of multi-disc blade (8) of ring (4) lower floor; The pivot pin driving shaft (12) of adjusting the upper and lower two-layer multi-disc blade (8) of ring (4) downwards, corresponding one by one the insertion in the slotted hole of adjusting on the ring (4) (5) upwards, be slidingly connected.
2. novel optical gate as claimed in claim 1 is characterized in that: be equiped with the collar (2) that compresses usefulness on the optical gate loam cake (1).
3. novel optical gate as claimed in claim 1 is characterized in that: adjust ring (4) outside and be provided with external tooth form wheel (6), mesh with the motor toothed wheel.
4. novel optical gate as claimed in claim 1 is characterized in that: optical gate loam cake (1) is provided with two banking pins (9), goes up set limit opening (7) with optical gate seat (3) and matches.
5. novel optical gate as claimed in claim 1 is characterized in that: the slotted hole of adjusting on the ring (4) (5) is identical with upper and lower blade (8) number on two-layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810056658A CN100593736C (en) | 2008-01-23 | 2008-01-23 | Light shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810056658A CN100593736C (en) | 2008-01-23 | 2008-01-23 | Light shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101231355A true CN101231355A (en) | 2008-07-30 |
| CN100593736C CN100593736C (en) | 2010-03-10 |
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ID=39897981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810056658A Active CN100593736C (en) | 2008-01-23 | 2008-01-23 | Light shutter |
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| Country | Link |
|---|---|
| CN (1) | CN100593736C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248420A (en) * | 2016-07-11 | 2016-12-21 | 南京铁道职业技术学院 | A kind of two-tube vane locking-type sand extractor |
| CN107289414A (en) * | 2017-08-08 | 2017-10-24 | 宁波金熠光电科技有限公司 | A kind of LED electronics cuts imaging lamp |
| CN110887023A (en) * | 2019-12-27 | 2020-03-17 | 广州沃朗照明器材有限公司 | Electrodeless rotatory cutting system of light |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100468181C (en) * | 2003-04-30 | 2009-03-11 | 佳能株式会社 | Light amount control apparatus photographing apparatus, and filter |
| CN1588226A (en) * | 2004-08-09 | 2005-03-02 | 扬明光学股份有限公司 | Projection device and adjustable iris aperture therein |
| JP2006251333A (en) * | 2005-03-10 | 2006-09-21 | Nisca Corp | Light quantity adjustment device and projector using the same |
-
2008
- 2008-01-23 CN CN200810056658A patent/CN100593736C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248420A (en) * | 2016-07-11 | 2016-12-21 | 南京铁道职业技术学院 | A kind of two-tube vane locking-type sand extractor |
| CN106248420B (en) * | 2016-07-11 | 2019-05-24 | 南京铁道职业技术学院 | A kind of two-tube vane locking-type sand extractor |
| CN107289414A (en) * | 2017-08-08 | 2017-10-24 | 宁波金熠光电科技有限公司 | A kind of LED electronics cuts imaging lamp |
| CN110887023A (en) * | 2019-12-27 | 2020-03-17 | 广州沃朗照明器材有限公司 | Electrodeless rotatory cutting system of light |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100593736C (en) | 2010-03-10 |
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